CN112945158A - Automatic detection equipment and detection method for radial runout of cross-flow fan blade - Google Patents
Automatic detection equipment and detection method for radial runout of cross-flow fan blade Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
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Abstract
The detection equipment comprises a detection station, a main shaft transmission mechanism and a sensor measuring mechanism are arranged on the detection station, the main shaft transmission mechanism comprises an expansion shaft inserted into one end of the through-flow fan blade, an expansion shaft sleeve is arranged on the expansion shaft, a panel turnover mechanism is further arranged on the detection station, and the panel turnover mechanism further comprises a jump detection device and a jump detection device for detecting the jump tolerance of a steel shaft of the through-flow fan blade. When the invention detects the jumping amount of the cross-flow fan blade, the feeding of the cross-flow fan blade is put on a jumping measuring machine for radial jumping measurement, and when the fan blade rotates continuously around a reference axis without axial movement, the displacement sensor is automatically realized to measure the jumping amount of the fan blade. Checking according to the jumping amount required by a drawing; the length of the fan blade is less than or equal to 0.8m, the radial runout is less than or equal to 0.6mm, and the steel shaft runout is less than or equal to 0.12 mm; the length of the fan blade is more than 0.8m, the radial runout is less than or equal to 0.7m, and the steel shaft runout is less than or equal to 0.12 mm.
Description
Technical Field
The invention relates to a cross-flow fan blade product detection device, in particular to a cross-flow fan blade radial runout automatic detection device and a detection method thereof.
Background
For the heat-treated fan blade, when the outer circle of the fan blade does non-axial movement and rotation around the reference shaft, the change amplitude of radial runout of any surface or point of the outer diameter surface of the fan blade can be continuously detected. When the total length of the fan blade is less than or equal to 0.8m, the radial runout of the steel shaft is less than or equal to 0.6 mm; when the total length of the fan blade is larger than 0.8m, the radial runout of the steel shaft is less than or equal to 0.7 mm.
And aiming at the heat-treated fan blade, when the fan blade does non-axial movement and rotation around the reference shaft, the variation amplitude of radial runout of any point on the outer circle surface of the steel shaft is increased. When the total length of the fan blade is less than or equal to 0.8m, the radial runout of the steel shaft is less than or equal to 0.12 mm; when the total length of the fan blade is larger than 0.8m, the radial runout of the steel shaft is less than or equal to 0.12 mm.
Based on the requirements, the automatic detection equipment for the radial runout of the cross-flow fan blade is designed for quality detection of products of the cross-flow fan blade and selection of defective products, and the one-time qualification rate of product delivery is improved.
Chinese patent document No. CN 109506836 a discloses a through-flow fan blade bounce measuring machine in 2019.03.22, which includes a frame, a feeding mechanism, a screw detecting mechanism, a bounce detecting mechanism, a dynamic balance detecting mechanism, a balance block assembling mechanism and a discharging mechanism, which are disposed on the frame, and a clamping and transferring mechanism for transferring workpieces among the feeding mechanism, the screw detecting mechanism, the bounce detecting mechanism, the dynamic balance detecting mechanism and the discharging mechanism. The structure is bulky and complex. And thus, is in need of further improvement.
Disclosure of Invention
The invention aims to provide through-flow fan blade radial runout automatic detection equipment and a detection method thereof, which have good detection effect and can automatically detect the through-flow fan blade radial runout, so as to overcome the defects in the prior art.
The automatic radial runout detection equipment for the through-flow fan blade comprises more than one detection station, wherein each detection station is provided with a main shaft transmission mechanism and a sensor measuring mechanism which is arranged in a sliding manner and is far away from or close to the through-flow fan blade in a sliding manner, the main shaft transmission mechanism comprises an expansion shaft inserted into one end of the through-flow fan blade, the expansion shaft is provided with an expansion shaft sleeve used for clamping one end of the through-flow fan blade, the expansion shaft sleeve is sleeved on the outer surface of the expansion shaft, each detection station is also provided with a turning plate mechanism, the turning plate mechanism comprises a turning plate arranged in a rotating manner, a supporting device arranged on the turning plate in an up-and-down lifting manner and a pushing device used for pushing the through-flow fan blade towards the expansion shaft, and the supporting device supports the other end of the through-flow fan blade in the; each detection station is also provided with a discharging mechanism for pushing the through-flow fan blade to move towards the turning plate, and the turning plate mechanism further comprises a jumping detection device and a jumping detection device for detecting the jumping tolerance of the steel shaft of the through-flow fan blade.
The cross-flow fan blade comprises a plurality of middle fan blades, a supporting mechanism for supporting the middle fan blades is further arranged on each detection station, the supporting mechanism comprises a supporting plate and a lifting cylinder, the supporting plate is arranged in an up-and-down lifting mode, the lifting cylinder drives the supporting plate to move up and down, stop blocks are arranged at two ends of the supporting plate respectively, and a groove for supporting the cross-flow fan blades is formed between the stop blocks at the two ends.
The spindle transmission mechanism also comprises a motor for providing output rotating force, a belt transmission assembly is arranged between the motor and the expansion shaft, the motor drives the expansion shaft to rotate through the belt transmission assembly, the spindle transmission mechanism also comprises a displacement cylinder for controlling the front and back displacement of a shaft core of the expansion shaft, one end of a piston rod of the displacement cylinder is provided with a connecting sleeve corresponding to the expansion shaft, and one end of the expansion shaft is limited in the connecting sleeve; the belt transmission assembly comprises a driving wheel, a driven wheel and a transmission belt, a motor shaft of the motor penetrates through the driving wheel, the expansion shaft sleeve penetrates through the driven wheel, and the transmission belt is coated on the driving wheel and the driven wheel.
Each detection station is provided with a mounting seat for fixing a motor, and the discharging mechanism comprises a discharging cylinder fixed on the mounting seat and a push plate in matched connection with a piston rod of the discharging cylinder; in the discharging process, a piston rod of the discharging air cylinder drives the push plate to push the through-flow fan blade.
The supporting device comprises a lifting plate and two bearings arranged on the lifting plate, a supporting groove for supporting the other end of the through-flow fan blade in the detection process is formed between the two bearings, a guide groove is formed in the turning plate, the lifting plate is positioned in the guide groove, the turning plate mechanism further comprises a turning plate cylinder and a pushing portion, the turning plate cylinder pushes the lifting plate to move upwards along the guide groove, and the pushing portion is connected with the piston rod in a matched mode.
The device comprises a main shaft transmission mechanism, a detection station, a pushing device and a buffer piece, wherein a fixed base of a fixed turning plate cylinder is arranged on each detection station, the tilting type of a cylinder body of the turning plate cylinder is arranged on one side of the fixed base, the pushing device comprises a pushing cylinder arranged on the top of the fixed base and the buffer piece in contact with the through-flow fan blade, a piston rod of the pushing cylinder is connected with the buffer piece in a matched mode, and the piston.
The jumping detection device comprises a sensor displacement cylinder and a jumping sensor which are arranged on the top of a fixing base, a piston rod of the sensor displacement cylinder is connected with the jumping sensor in a matched mode, the piston rod of the sensor displacement cylinder drives the jumping sensor to move towards the through-flow fan blade, a lifting cylinder is arranged on the other side of the fixing base, and the piston rod of the lifting cylinder is connected with a cylinder body of the sensor displacement cylinder in a matched mode.
The turning plate mechanism also comprises a supporting seat, the supporting seat is provided with two supporting blocks which are arranged at intervals left and right, a groove position for installing the turning plate is formed between the two supporting blocks, the turning plate rotates on the groove position through a rotating shaft, the rotating shaft is inserted into the turning plate between the two supporting blocks, and the bottom of the turning plate is provided with an arc part corresponding to the groove position for forming a rotating position; an up-down lifting limiting component is arranged between the lifting plate and the turning plate, the up-down lifting limiting component limits the degree of freedom of up-down movement of the lifting plate, the up-down lifting limiting component comprises a guide hole and a through hole, the guide hole is arranged on the turning plate, the through hole is arranged on the lifting plate, the guide hole and the through hole are coaxially arranged in the up-down movement direction of the lifting plate, the guide hole is arranged in a strip shape, the strip length of the guide hole is larger than the inner diameter of the through hole, and a bolt is arranged between the guide hole and; and an anti-collision piece is arranged on the lifting plate in the direction that the discharging mechanism pushes the cross-flow fan blade to move towards the turning plate.
Sensor measuring mechanism includes a plurality of footpath jump sensor, the support row of fixed a plurality of footpath jump sensor, the through-flow fan blade includes a plurality of middle segment fan blade, a plurality of footpath jump sensor and a plurality of middle segment fan blade each other are corresponding the setting, be equipped with the slide rail on every detection station, a supporting seat, it is located the supporting seat to support the row, the supporting seat is equipped with the slider with slide rail sliding fit, sensor measuring mechanism still includes the measurement aversion cylinder of being connected with the supporting seat cooperation, the piston rod of measuring the aversion cylinder promotes the supporting seat and slides on the slide rail, and then drive a plurality of footpath jump sensor that supports on arranging and be close to or keep away from the through-flow.
The detection method of the automatic detection equipment for the radial runout of the through-flow fan blade comprises the steps of placing the through-flow fan blade on a support plate of a support mechanism, lifting one end of the through-flow fan blade to the position of an expansion shaft by the support plate, pushing the through-flow fan blade by a pushing device of a turning plate mechanism to connect one end of the through-flow fan blade with the expansion shaft, starting a supporting device which is arranged on the turning plate in an up-and-down lifting manner and supports the through-flow fan blade, controlling the expansion shaft to move forwards by a piston rod of a displacement cylinder through a connecting sleeve, fastening the through-flow fan blade by an expansion shaft sleeve on the expansion shaft, descending the support plate after finishing feeding detection, electrifying and rotating a motor to drive the through-flow fan blade to rotate, starting a sensor measuring mechanism to measure an inlet shaft, closing a sensor on the sensor measuring mechanism after the through-flow fan blade rotates and measures 1.5 circles, and the sensor collects data and exits from the detection position, and the collected jumping data is compared with the system jumping parameters to determine the deviation value of the product so as to detect the unqualified through-flow fan blade.
The invention has the following beneficial effects:
the expansion shaft is provided with an expansion shaft sleeve for clamping one end of the through-flow fan blade, so that the expansion shaft does not loosen under the condition of expansion when the fan blade rotates.
The pushing device comprises a pushing cylinder arranged on the top of the fixing seat and a buffer piece in contact with the through-flow fan blade, so that the through-flow fan blade is prevented from being impacted to damage a product when being pushed.
The sensor measuring mechanism further comprises a measuring shifting cylinder which is connected with the supporting seat in a matched mode, a piston rod of the measuring shifting cylinder pushes the supporting seat to slide on the sliding rail, and then the plurality of radial jump sensors on the supporting row are driven to be close to or far away from the through-flow fan blade, the radial jump sensors are contacted with and separated from the outer diameter of the fan blade, the jump deviation of the fan blade is measured, and therefore the fan blade product is determined to be qualified.
When the jumping amount of the cross-flow fan blade is detected, the material is put on a jumping measuring machine for radial jumping measurement, and when the fan blade rotates continuously around a reference axis without axial movement, the jumping amount of the fan blade is measured by a displacement sensor automatically. Checking according to the jumping amount required by a drawing; the length of the fan blade is less than or equal to 0.8m, the radial runout is less than or equal to 0.6mm, and the steel shaft runout is less than or equal to 0.12 mm; the length of the fan blade is more than 0.8m, the radial runout is less than or equal to 0.7m, and the steel shaft runout is less than or equal to 0.12 mm.
Drawings
Fig. 1 is a schematic perspective view of an automatic detection device for radial runout of a cross-flow fan blade according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a detection station according to an embodiment of the present invention.
Fig. 3 is a schematic view of another orientation structure of the inspection station according to an embodiment of the invention.
Fig. 4 is a schematic perspective view of a detection station erecting cross-flow fan blade according to an embodiment of the present invention.
Fig. 5 is a schematic perspective view of a detection station cross-flow fan blade reverse turning plate according to an embodiment of the invention.
Fig. 6 is a schematic perspective view of a spindle transmission mechanism according to an embodiment of the present invention.
Fig. 7 is a schematic cross-sectional structure view of a spindle transmission mechanism according to an embodiment of the present invention.
Fig. 8 is a schematic perspective sectional view of a spindle transmission mechanism according to an embodiment of the present invention.
Fig. 9 is a schematic perspective view illustrating the rotation of the turning plate according to an embodiment of the present invention.
Fig. 10 is a schematic perspective view of a plate turnover mechanism according to an embodiment of the present invention.
Fig. 11 is a schematic perspective view of another aspect of the plate turnover mechanism according to an embodiment of the present invention.
Fig. 12 is a schematic cross-sectional structure view of the turning plate and the lifting plate according to an embodiment of the invention.
Fig. 13 is a schematic perspective view of a sensor measuring mechanism according to an embodiment of the invention.
In the figure, 1 is a through-flow fan blade, 2 is a main shaft transmission mechanism, 3 is a sensor measurement mechanism, 4 is an expansion shaft, 4.1 is an expansion shaft sleeve, 5 is a turning plate mechanism, 6 is a turning plate, 6.1 is a guide groove, 6.2 is an arc part, 6.3 is a guide hole, 7 is a discharging mechanism, 8 is a supporting mechanism, 9 is a supporting plate, 9.1 is a stop block, 10 is a motor, 10.1 is a motor shaft, 11 is a displacement cylinder, 11.1 is a connecting sleeve, 12 is a driving wheel, 13 is a driven wheel, 14 is a transmission belt, 15 is a mounting seat, 16 is a discharging cylinder, 16.1 is a push plate, 17 is a lifting plate, 17.1 is a through hole, 17.2 is an anti-collision piece, 18 is a bearing, 19 is a turning plate cylinder, 19.1 is a pushing part, 20 is a fixed seat, 21 is a pushing cylinder, 21.1 is a pushing cylinder, 22 is a sensor displacement cylinder, 22.1 is a sensor, 23 is a lifting cylinder, 24 is a lifting cylinder, 25.1 is a supporting block, and 25.2 is a, 26 is a radial jump sensor, 27 is a support row, 27.1 is a support frame, 28 is a slide rail, 29 is a support seat, 29.1 is a slide block, and 30 is a measurement displacement cylinder.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 1 and 7, an automatic radial runout detection device for a through-flow fan blade comprises more than one detection station, each detection station is provided with a main shaft transmission mechanism 2 and a sensor measurement mechanism 3 which is arranged in a sliding manner and is far away from or close to the through-flow fan blade 1 in a sliding manner, the main shaft transmission mechanism 2 comprises an expansion shaft 4 inserted into one end of the through-flow fan blade 1, the expansion shaft 4 is provided with an expansion shaft sleeve 4.1 for clamping one end of the through-flow fan blade 1, the expansion shaft sleeve 4.1 is sleeved on the outer surface of the expansion shaft 4, each detection station is further provided with a turning plate mechanism 5, the turning plate mechanism 5 comprises a turning plate 6 which is arranged in a rotating manner, a supporting device which is arranged on the turning plate 6 in an up-and-down lifting manner, and a pushing device which pushes the through-flow fan blade 1 towards the expansion shaft 4, and the supporting device supports the other end; each detection station is also provided with a discharging mechanism 7 for pushing the through-flow fan blade 1 to move towards the turning plate 6, and the turning plate mechanism 5 further comprises a jumping detection device and a jumping detection device for detecting the jumping tolerance of the steel shaft of the through-flow fan blade 1.
Referring to fig. 1-3, the cross-flow fan blade 1 includes a plurality of middle-segment fan blades, a supporting mechanism 8 for supporting the middle-segment fan blades is further disposed on each detection station, the supporting mechanism 8 includes a supporting plate 9 disposed to be capable of ascending and descending up and down, and a lifting cylinder 23 for driving the supporting plate 9 to ascend and descend up and down, two ends of the supporting plate 9 are respectively provided with a stop dog 9.1, and a slot for supporting the cross-flow fan blade 1 is formed between the stop dogs 9.1 at the two ends.
In the present embodiment, the piston rod of the lifting cylinder 23 is connected with the supporting plate 9 through the connecting plate.
Referring to fig. 2 to 8, the spindle transmission mechanism 2 further includes a motor 10 for providing an output rotational force, a belt transmission assembly is disposed between the motor 10 and the expansion shaft 4, the motor 10 drives the expansion shaft 4 to rotate through the belt transmission assembly, the spindle transmission mechanism 2 further includes a displacement cylinder 11 for controlling the front and rear displacement of the shaft core of the expansion shaft 4, one end of a piston rod of the displacement cylinder 11 is provided with a connecting sleeve 11.1 corresponding to the expansion shaft 4, and one end of the expansion shaft 4 is limited in the connecting sleeve 11.1; the belt transmission assembly comprises a driving wheel 12, a driven wheel 13 and a transmission belt 14, a motor shaft 10.1 of the motor 10 penetrates through the driving wheel 12, the expansion shaft sleeve 4.1 penetrates through the driven wheel 13, and the transmission belt 14 coats the driving wheel 12 and the driven wheel 13.
Each detection station is provided with a mounting seat 15 for fixing the motor 10, and the discharging mechanism 7 comprises a discharging cylinder 16 fixed on the mounting seat 15 and a push plate 16.1 in matched connection with a piston rod of the discharging cylinder 16; in the discharging process, a piston rod of the discharging air cylinder 16 drives a push plate 16.1 to push the cross-flow fan blade 1.
Referring to fig. 8, in this embodiment, a motor dust cover is disposed on the motor 10, a shaft sleeve is disposed on the mounting seat 15, the expansion shaft 4 and the expansion shaft sleeve 4.1 are inserted into the shaft sleeve in a penetrating manner, and a bearing sleeved on the outer surface of the expansion shaft sleeve 4.1 is disposed in the shaft sleeve; the discharging cylinder 16 comprises a cylinder body and a sliding table arranged on the cylinder body in a sliding manner, the front end of the sliding table is arranged in an L shape and is connected with a piston rod, and a push plate 16.1 is fixed on the front end of the L shape of the sliding table through a screw, a connecting plate and the like; be equipped with the mandril spacing ring that expands on the mandril 4, be equipped with the storage tank that is used for the holding mandril spacing ring that expands in the adapter sleeve 11.1, the storage tank surface is equipped with the opening, the front end of storage tank is equipped with two storage tank dogs that are left right interval setting, form the breach between two storage tank dogs, the width of breach is less than the external diameter of the mandril spacing ring that expands, the mandril spacing ring that expands assembles in the storage tank from the opening of storage tank, when the piston rod control of displacement cylinder 11 expands mandril 4 backsets, utilize storage tank dog pulling to expand the mandril spacing ring, realize loosening between 4 and the through-flow fan blade 1 of expanding through the pull-back, realize automatic feeding with this is reciprocal, the unloading, the cylinder body of displacement cylinder 11 is fixed on mount pad 15 through four support.
Referring to fig. 9-11, the supporting device includes a lifting plate 17, two bearings 18 disposed on the lifting plate 17, a supporting groove for supporting the other end of the through-flow fan blade 1 in the detection process is formed between the two bearings 18, a guide groove 6.1 is disposed on the turning plate 6, the lifting plate 17 is located in the guide groove 6.1, the turning plate mechanism 5 further includes a turning plate cylinder 19 and a pushing portion 19.1 for pushing the lifting plate 17 to move upward along the guide groove 6.1, and the pushing portion 19.1 is connected with the piston rod in a matching manner.
Each detection station is provided with a fixed seat 20 for fixing a turning plate cylinder 19, the cylinder body of the turning plate cylinder 19 is obliquely arranged on one side of the fixed seat 20, the pushing device comprises a pushing cylinder 21 arranged on the top of the fixed seat 20 and a buffer 21.1 in contact with the through-flow fan blade 1, the piston rod of the pushing cylinder 21 is in fit connection with the buffer 21.1, and the piston rod of the pushing cylinder 21 drives the buffer 21.1 to push the through-flow fan blade 1 towards the spindle transmission mechanism 2.
In this embodiment, the buffer member 21.1 is made of buffer glue to prevent the product from being damaged by impact, and the buffer member 21.1 is connected with the piston rod of the pushing cylinder 21 through a connecting plate in a matching manner; the inclined angle position of the flap cylinder 19 is adjusted according to the position of the flap 6.
The jumping detection device comprises a sensor displacement cylinder 22 and a jumping sensor 22.1 which are arranged on the top of a fixed seat 20, a piston rod of the sensor displacement cylinder 22 is connected with the jumping sensor 22.1 in a matched mode, the piston rod of the sensor displacement cylinder 22 drives the jumping sensor 22.1 to move towards the through-flow fan blade 1, a lifting cylinder 24 is arranged on the other side of the fixed seat 20, and a piston rod of the lifting cylinder 24 is connected with a cylinder body of the sensor displacement cylinder 22 in a matched mode.
In this embodiment, the piston rod of the lifting cylinder 24 is connected to the cylinder body of the sensor displacement cylinder 22 through the connecting plate. A piston rod of the sensor displacement cylinder 22 drives the jump sensor 22.1 to move to a test point in the horizontal direction, and the jump sensor 22.1 starts to detect the jump tolerance of the steel shaft of the cross-flow fan blade 1. The sensor displacement cylinder 22 comprises a cylinder body and a sliding table arranged on the cylinder body in a sliding mode, the front end of the sliding table is L-shaped and connected with a piston rod, and the jumping sensor 22.1 is connected with the front end of the sliding table in an L-shaped matching mode through a connecting block and the like. And a limiting plate is arranged on the pushing cylinder 21 in the retreating direction of the connecting block of the bounce sensor 22.1 so as to block the retreating freedom degree of the connecting block.
Referring to fig. 9 and 12, the flap mechanism 5 further includes a supporting seat 25, the supporting seat 25 is provided with two supporting blocks 25.1 arranged at left and right intervals, a slot 25.2 for installing the flap 6 is formed between the two supporting blocks 25.1, the flap 6 rotates on the slot 25.1 through a rotating shaft, the rotating shaft is inserted into the flap 6 between the two supporting blocks 25.1, and the bottom of the flap 6 is provided with an arc part 6.2 for forming a rotation position corresponding to the slot 25.2; an up-down lifting limiting component is arranged between the lifting plate 17 and the turning plate 6, the up-down lifting limiting component comprises a guide hole 6.3 arranged on the turning plate 6 and a through hole 17.1 arranged on the lifting plate 17, the guide hole 6.3 and the through hole 17.1 are coaxially arranged in the up-down movement direction of the lifting plate 17, the guide hole 6.3 is arranged in a strip shape, the strip length of the guide hole 6.3 is larger than the inner diameter of the through hole 17.1, and a bolt is arranged between the guide hole 6.3 and the through hole 17.1; in the direction that the unloading mechanism 7 pushes the cross-flow fan blade 1 to move towards the turning plate 6, the lifting plate 17 is provided with an anti-collision piece 17.2, the anti-collision piece 17.2 is fixed on the lifting plate 17 through a screw, and the bearing 18 is fixed on the lifting plate 17 through a shaft.
In this embodiment, when discharging, the piston rod of the discharging cylinder 16 drives the push plate 16.1 to push the through-flow fan blade 1, the through-flow fan blade 1 contacts the anti-collision piece 17.2 to push the reverse turning plate 6, and the displacement cylinder 11 controls the expansion shaft 4 to retreat to loosen the through-flow fan blade 1.
Referring to fig. 13, the sensor measuring mechanism 3 includes a plurality of radial jump sensors 26, a support row 27 for fixing the plurality of radial jump sensors 26, the cross-flow fan blade 1 includes a plurality of middle fan blades, the plurality of radial jump sensors 26 and the plurality of middle fan blades are arranged correspondingly to each other, a slide rail 28 is arranged on each detection station, a support seat 29 is arranged on the support seat 29, the support seat 29 is provided with a slide block 29.1 in sliding fit with the slide rail 28, the sensor measuring mechanism 3 further includes a measurement shift cylinder 30 in matching connection with the support seat 29, a piston rod of the measurement shift cylinder 30 pushes the support seat 29 to slide on the slide rail 28, and then the plurality of radial jump sensors 26 on the support row 27 are driven to be close to or far away from the cross-flow fan blade 1.
In this embodiment, the radial jump sensor 26 is obliquely arranged on the support row 27 through a support frame 27.1, the support row 27 is provided with support seats 29 at both left and right ends, a synchronization rod is arranged between the two support seats 29, and the synchronization rod is connected with a piston rod of the measurement displacement cylinder 30 through a connecting plate.
A method for detecting the radial runout of a through-flow fan blade comprises the steps of placing a through-flow fan blade 1 on a supporting plate 9 of a supporting mechanism 8, lifting one end of the through-flow fan blade 1 to the position of an expansion shaft 4 by the supporting plate 9, pushing the through-flow fan blade 1 by a pushing device of a turning plate mechanism 5 to connect one end of the through-flow fan blade 1 with the expansion shaft 4, starting a supporting device arranged on the turning plate 6 in an up-and-down lifting mode and erecting the through-flow fan blade 1, controlling the expansion shaft 4 to move forwards by a piston rod of a displacement cylinder 11 through a connecting sleeve 11.1, fastening the through-flow fan blade 1 by an expansion shaft sleeve 4.1 on the expansion shaft 4, descending the supporting plate 9 after finishing feeding detection, electrifying and rotating a motor 10 and driving the through-flow fan blade 1 to rotate, starting shaft entering measurement by a sensor measuring mechanism 3, rotating the through-flow fan blade 1 and measuring 1.5 circles, closing a sensor on the sensor measuring mechanism 3, the sensor collects data and exits from a detection position, and the collected jumping data is compared with system jumping parameters to determine a deviation value of a product so as to detect the unqualified through-flow fan blade 1.
In this embodiment, when the cross-flow fan blade 1 is not qualified, an alarm is given. In addition, each detection station is provided with a plate for fixedly installing each mechanism, and the plate is arranged according to the requirement of a personal design mode by a person skilled in the art and is not detailed here.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is intended to be protected by the following claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a through-flow fan blade radial runout automated inspection equipment, includes more than one detection station, its characterized in that: each detection station is provided with a main shaft transmission mechanism (2) and a sensor measuring mechanism (3) which is arranged in a sliding manner and is far away from or close to the through-flow fan blade (1) through sliding, the main shaft transmission mechanism (2) comprises an expansion shaft (4) inserted into one end of the through-flow fan blade (1), the expansion shaft (4) is provided with an expansion shaft sleeve (4.1) used for clamping one end of the through-flow fan blade (1), the expansion shaft sleeve (4.1) is sleeved on the outer surface of the expansion shaft (4), each detection station is also provided with a turning plate mechanism (5), the turning plate mechanism (5) comprises a turning plate (6) which is arranged in a rotating manner, a supporting device which is arranged on the turning plate (6) in an up-and-down lifting manner and a pushing device which pushes the through-flow fan blade (1) towards the expansion shaft (4), and the supporting device supports the other end of the through-flow fan blade; each detection station is also provided with a discharging mechanism (7) for pushing the through-flow fan blade (1) to move towards the turning plate (6), and the turning plate mechanism (5) further comprises a jumping detection device and a jumping detection device for detecting the jumping tolerance of the steel shaft of the through-flow fan blade (1).
2. The automatic radial runout detection equipment for the cross-flow fan blade according to claim 1, wherein: the cross-flow fan blade (1) comprises a plurality of middle fan blades, a supporting mechanism (8) for supporting the middle fan blades is further arranged on each detection station, the supporting mechanism (8) comprises a supporting plate (9) which is arranged in an up-down lifting mode and a lifting cylinder (23) which drives the supporting plate (9) to move up and down, stop blocks (9.1) are arranged at two ends of the supporting plate (9) respectively, and a groove position for supporting the cross-flow fan blade (1) is formed between the stop blocks (9.1) at the two ends.
3. The automatic radial runout detection equipment for the cross-flow fan blade according to claim 1, wherein: the spindle transmission mechanism (2) further comprises a motor (10) for providing output rotating force, a belt transmission assembly is arranged between the motor (10) and the expansion shaft (4), the motor (10) drives the expansion shaft (4) to rotate through the belt transmission assembly, the spindle transmission mechanism (2) further comprises a displacement cylinder (11) for controlling the front and back displacement of a shaft core of the expansion shaft (4), one end of a piston rod of the displacement cylinder (11) is provided with a connecting sleeve (11.1) corresponding to the expansion shaft (4), and one end of the expansion shaft (4) is limited in the connecting sleeve (11.1); the belt transmission assembly comprises a driving wheel (12), a driven wheel (13) and a transmission belt (14), a motor shaft (10.1) of the motor (10) penetrates through the driving wheel (12), an expansion shaft sleeve (4.1) penetrates through the driven wheel (13), and the transmission belt (14) covers the driving wheel (12) and the driven wheel (13).
4. The automatic radial runout detection equipment for the cross-flow fan blade according to claim 3, wherein: each detection station is provided with a mounting seat (15) for fixing a motor (10), and the unloading mechanism (7) comprises an unloading cylinder (16) fixed on the mounting seat (15) and a push plate (16.1) in matched connection with a piston rod of the unloading cylinder (16); in the discharging process, a piston rod of the discharging air cylinder (16) drives a push plate (16.1) to push the through-flow fan blade (1).
5. The automatic radial runout detection equipment for the cross-flow fan blade according to claim 1, wherein: the supporting device comprises a lifting plate (17) and two bearings (18) arranged on the lifting plate (17), a supporting groove for supporting the other end of the through-flow fan blade (1) in the detection process is formed between the two bearings (18), a guide groove (6.1) is formed in the turning plate (6), the lifting plate (17) is positioned in the guide groove (6.1), the turning plate mechanism (5) further comprises a turning plate cylinder (19) and a pushing part (19.1), the turning plate cylinder pushes the lifting plate (17) to move upwards along the guide groove (6.1), and the pushing part (19.1) is connected with the piston rod in a matched mode.
6. The automatic radial runout detection equipment for the cross-flow fan blade according to claim 5, wherein: be equipped with fixing base (20) of fixed board cylinder (19) that turns over on every detection station, the cylinder body tilting of turning over board cylinder (19) sets up on fixing base (20) one side, pusher jack is including setting up push cylinder (21) and the bolster (21.1) of contact through-flow fan blade (1) on fixing base (20) top, the piston rod and the buffer (21.1) cooperation of push cylinder (21) are connected, the piston rod of push cylinder (21) drives bolster (21.1) and promotes through-flow fan blade (1) towards main shaft drive mechanism (2).
7. The automatic radial runout detection equipment for the cross-flow fan blade according to claim 6, wherein: the jumping detection device comprises a sensor displacement cylinder (22) arranged on the top of a fixed seat (20), a jumping sensor (22.1), a piston rod of the sensor displacement cylinder (22) is connected with the jumping sensor (22.1) in a matched mode, the piston rod of the sensor displacement cylinder (22) drives the jumping sensor (22.1) to move towards the through-flow fan blade (1), a lifting cylinder (24) is arranged on the other side of the fixed seat (20), and the piston rod of the lifting cylinder (24) is connected with a cylinder body of the sensor displacement cylinder (22) in a matched mode.
8. The automatic radial runout detection equipment for the cross-flow fan blade according to claim 6, wherein: the turning plate mechanism (5) further comprises a supporting seat (25), the supporting seat (25) is provided with two supporting blocks (25.1) which are arranged at intervals left and right, a groove position (25.2) for installing the turning plate (6) is formed between the two supporting blocks (25.1), the turning plate (6) rotates on the groove position (25.1) through a rotating shaft, the rotating shaft is inserted into the turning plate (6) between the two supporting blocks (25.1), and the bottom of the turning plate (6) is provided with an arc part (6.2) for forming a rotating position corresponding to the groove position (25.2); an up-down lifting limiting component is arranged between the lifting plate (17) and the turning plate (6), the up-down lifting limiting component comprises a guide hole (6.3) formed in the turning plate (6) and a through hole (17.1) formed in the lifting plate (17), the guide hole (6.3) and the through hole (17.1) are coaxially arranged in the up-down movement direction of the lifting plate (17), the guide hole (6.3) is arranged in a strip shape, the strip length of the guide hole (6.3) is larger than the inner diameter of the through hole (17.1), and a bolt is arranged between the guide hole (6.3) and the through hole (17.1); and an anti-collision piece (17.2) is arranged on the lifting plate (17) in the direction that the unloading mechanism (7) pushes the cross-flow fan blade (1) to move towards the turning plate (6).
9. The automatic radial runout detection equipment for the cross-flow fan blade according to claim 1, wherein: sensor measuring mechanism (3) include a plurality of footpath jump sensor (26), support row (27) of fixed a plurality of footpath jump sensor (26), section fan blade in a plurality of is included in through-flow fan blade (1), a plurality of footpath jump sensor (26) and a plurality of middle-section fan blade each other are corresponding the setting, be equipped with slide rail (28) on every detection station, supporting seat (29), it is located supporting seat (29) to support row (27), supporting seat (29) are equipped with slider (29.1) with slide rail (28) sliding fit, sensor measuring mechanism (3) still include with supporting seat (29) cooperation connection measure aversion cylinder (30), the piston rod that measures aversion cylinder (30) promotes supporting seat (29) and slides on slide rail (28), and then drive a plurality of footpath jump sensor (26) on supporting row (27) and be close to or keep away from through-flow fan blade (1).
10. A detection method of through-flow fan blade runout automatic detection equipment, including the through-flow fan blade runout automatic detection equipment of claim 1, still be equipped with supporting mechanism (8) on every detection station, supporting mechanism (8) are including backup pad (9) that are the oscilaltion setting, main shaft drive mechanism (2) are still including motor (10) that provide the output turning force, be equipped with the belt drive subassembly between motor (10) and bloated mandril (4), motor (10) drive bloated mandril (4) through the belt drive subassembly and rotate, main shaft drive mechanism (2) still include displacement cylinder (11) with displacement control around carrying out to the axle core of bloated mandril (4), the piston rod one end of displacement cylinder (11) corresponds bloated mandril (4) and is equipped with adapter sleeve (11.1), it is spacing in adapter sleeve (11.1) to bloate mandril (4) one end, its characterized in that: the detection method comprises the steps of placing a through-flow fan blade (1) on a supporting plate (9) of a supporting mechanism (8), lifting one end of the through-flow fan blade (1) to the position of an expansion shaft (4) by the supporting plate (9), pushing the through-flow fan blade (1) by a pushing device of a plate turning mechanism (5), connecting one end of the through-flow fan blade (1) with the expansion shaft (4), starting a supporting device which is arranged on a turning plate (6) in an up-and-down lifting mode and erecting the through-flow fan blade (1), controlling the expansion shaft (4) to move forwards by a piston rod of a displacement cylinder (11) through a connecting sleeve (11.1), fastening the through-flow fan blade (1) by an expansion shaft sleeve (4.1) on the expansion shaft (4), descending the supporting plate (9) after finishing feeding detection, electrifying and rotating a motor (10) and driving the through-flow fan blade (1) to rotate, starting a sensor measuring mechanism (3) to enter a shaft for measurement, rotating the through-flow fan blade (1.5 circles of measurement, and (3) closing a sensor on the sensor measuring mechanism (3), acquiring data by the sensor, exiting from a detection position, and comparing the acquired jumping data with system jumping parameters to determine a deviation value of a product so as to detect the unqualified through-flow fan blade (1).
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