CN104279259B - Production line fast feeding mechanism and working method with intelligent deceleration device - Google Patents

Abstract

The invention relates to a production line quick feeding mechanism with an intelligent speed reducer and a working method, wherein the production line quick feeding mechanism comprises: the guide rail body is a sliding block which is in sliding fit with the guide rail body, and a material tray is arranged on the sliding block; one end of the guide rail body is provided with a speed reduction device for reducing the speed of the sliding block, and the speed reduction device is a two-stage buffer; the processor and the current driving module generate a magnetic field matched with the impact pressure to attract the sliding block, so that the sliding block is prevented from flying out due to inertia caused by overlarge impact energy.

Description

Production line fast feeding mechanism and working method with intelligent deceleration device

technical field

The invention relates to a fast feeding mechanism and a working method of a production line, in particular to a feeding mechanism and a working method of an intelligent speed reduction device.

Background technique

In the field of cushioning and shock absorption, the reduction device is widely used, and its main function is to absorb various impact energy, protect equipment and reduce noise.

During the working process of the feeding mechanism, the pallet is often made to move back and forth, but when the slider located under the pallet sends the material to the target position, if it does not slow down, the material will fly out due to inertia. How to make the material reach the target position , it is a technical problem in this field to effectively reduce the moving speed of the tray and make the material reach the target position smoothly.

Contents of the invention

The technical problem to be solved by the present invention is to provide a fast feeding mechanism and working method of the production line with an intelligent deceleration device. The feeding mechanism and working method solve the problem that when the material delivered by the pallet reaches the target area, it cannot be decelerated, causing the material to fly out. problem, so that the material can be delivered to the target position accurately, and the material can be effectively prevented from flying out.

The invention provides a feeding mechanism for a production line, comprising: a guide rail body, a slider slidingly fitted on the guide rail body, a material tray is arranged on the slider; one end of the guide rail body is provided with a deceleration device for decelerating the slider device.

Further, the deceleration device is a buffer.

The buffer is a two-stage buffer, and the two-stage buffer includes: a first-stage buffer and a final-stage buffer; the first-stage buffer and the final-stage buffer respectively include: cylindrical, and used for filling The cylinder body of the buffer medium, the opening end of the cylinder body is sealed with a cylinder cover, and a piston rod is fitted in the central through hole of the cylinder cover, and the right end of the piston rod is provided with a piston body for adjusting the back and forth flow of the medium Assemblies, the piston body assembly is suitable for piston movement in the cylinder, and is movable and sealed with the inner wall of the cylinder; wherein, the cylinder of the first-stage buffer constitutes the piston of the last-stage buffer Rod; during buffering work, the right end surface of the cylinder body of the final stage buffer is used as the contact surface that collides with the slider, and the right end surface is laid with a buffer layer for buffering the impact of the slider; the final stage buffer An electromagnetic coil is wound around the side wall of the cylinder body; a pressure sensor for detecting medium pressure is provided on the right end surface of the piston body assembly of the final stage buffer, and the pressure sensor is connected with a processor module; when the When the slider hits the right end face of the cylinder of the final buffer, the processor module is adapted to control a current drive module to output a current matching the medium pressure value according to the medium pressure value, so that the electromagnetic coil Generate a corresponding magnetic field to attract the slider; until the processor module measures the medium pressure value as an equilibrium value, control the current drive module to close the output current so that the magnetic field disappears to release the slider block; wherein, the piston body assembly of each level of buffer is adapted to control the piston body assembly to adjust or close the pressure in the corresponding cylinder according to the medium pressure detected by the pressure sensor when the piston is moving. The back and forth flow of the medium is used to adjust the movement speed of the piston body assembly or the number of buffer stages.

Further, in order to prevent the medium temperature from being too high and affecting the life of the buffer, the right end surfaces of the piston body assemblies of the first-stage buffer and the last-stage buffer are respectively equipped with temperature sensors suitable for detecting the temperature of the medium. The sensors are respectively connected to the processor modules; the processor modules are suitable for pre-stored medium working upper limit temperature; The temperature of the medium detected by the sensor adjusts the round-trip flow of the medium in the corresponding cylinder, that is, when the temperature of the medium reaches the upper limit temperature, the processor module controls the piston body assembly to reduce or close the round-trip flow of the medium. flow to adjust the speed of the piston movement or to close the corresponding damper.

Further, the piston body assembly includes: left and right piston bodies coaxially arranged, the left and right piston bodies are symmetrically provided with several through holes for the axial flow of the medium, and the adjacent end surfaces of the left and right piston bodies The sealing fit between them makes the medium flow back and forth only through the through holes on the left and right piston bodies when the piston moves; the left piston body is provided with a cavity for placing a motor, and the motor is provided by the The processor module is controlled, and the end of the rotor is fixedly connected to the right piston body, which is used to drive the right piston body to rotate according to the medium pressure, so as to control the relative positional relationship of the through holes on the left and right piston bodies, Then control the medium flow, that is, control the speed of the piston.

A working method of a production line feeding mechanism based on the above technical solution, wherein,

The feeding mechanism of the production line includes: a guide rail body, a slider that is slidably fitted on the guide rail body, and a material tray is arranged on the slider; one end of the guide rail body is provided with a two-stage buffer for decelerating the slider; The two-stage buffer includes: a first-stage buffer and a final-stage buffer; the first-stage buffer and the last-stage buffer respectively include: a cylinder that is cylindrical and used to fill a buffer medium. The opening end is sealed with a cylinder cover, and a piston rod is fitted in the central through hole of the cylinder cover, and the right end of the piston rod is provided with a piston body assembly for adjusting the back and forth flow of the medium. The piston moves in the cylinder, and is movable and sealed with the inner wall of the cylinder; wherein, the cylinder of the first-stage buffer constitutes the piston rod of the last-stage buffer; when buffering, the last-stage The right end surface of the cylinder body of the buffer is used as the contact surface that collides with the slider, and a buffer layer for buffering the impact of the slider is laid on the right end surface; the side wall of the cylinder body of the final buffer is wound with an electromagnetic Coil; the right end surface of the piston body assembly of the final buffer is provided with a pressure sensor for detecting medium pressure, and the pressure sensor is connected with a processor module.

The working method of the feeding mechanism of the production line includes: when the slider hits the right end face of the cylinder body of the final buffer, the processor module is adapted to control a current drive module to output and The current matching the medium pressure value causes the electromagnetic coil to generate a corresponding magnetic field to attract the slider; until the processor module measures the medium pressure value as an equilibrium value, the current drive module is controlled to close output current to make the magnetic field disappear, so as to release the slider; wherein, the piston body assembly of each level of buffer is suitable for piston movement, the processor module according to the medium pressure detected by the pressure sensor, The piston body assembly is controlled to adjust or close the medium back-and-forth flow in the corresponding cylinder, so as to adjust the movement speed or buffer stages of the piston body assembly.

Further, temperature sensors suitable for detecting the temperature of the medium are respectively provided on the right end surfaces of the piston body assemblies of the first-stage buffer and the final-stage buffer, and the temperature sensors are connected to the processor modules respectively; the processor The module is suitable for storing the upper limit temperature of the medium; when the piston body assembly of each level of buffer is suitable for piston movement, the processor module adjusts the medium in the corresponding cylinder according to the temperature of the medium detected by the temperature sensor Reciprocating flow, that is, when the temperature of the medium reaches the upper limit temperature, the processor module controls the piston body assembly to reduce or close the reciprocating flow of the medium, so as to adjust the speed of piston movement or close the corresponding buffer.

Further, the piston body assembly includes: left and right piston bodies coaxially arranged, the left and right piston bodies are symmetrically provided with several through holes for the axial flow of the medium, and the adjacent end surfaces of the left and right piston bodies The sealing fit between them makes the medium flow back and forth only through the through holes on the left and right piston bodies when the piston moves; the left piston body is provided with a cavity for placing a motor, and the motor is provided by the The processor module is controlled, and the end of the rotor is fixedly connected to the right piston body, which is used to drive the right piston body to rotate according to the medium pressure, so as to control the relative positional relationship of the through holes on the left and right piston bodies, Then control the medium flow, that is, control the speed of the piston.

Compared with the prior art, the present invention has the following advantages: (1) The present invention generates a magnetic field matching the impact pressure through the processor and the current drive module to attract the slider, preventing the slider from being damaged due to excessive impact energy. Inertial flying out; (2) The present invention overcomes the technical problem that the buffers cannot work in coordination due to impact energy fluctuations. The present invention detects the impact energy through a pressure sensor, and properly adjusts the medium back-and-forth flow of buffers at all levels, To control the movement speed of each piston body assembly, the buffers at all levels work in harmony, avoiding the possibility that a certain level of buffers will work under high pressure for a long time due to the excessive impact energy of the other buffers. (3) through the cooperation of the through holes in the left and right piston bodies to control the reciprocating flow of the medium in the corresponding cylinders, thereby changing the reciprocating speed of the corresponding pistons to relieve the cavity of the cylinders at all levels (4) The two-stage buffer does not need to consider the different media, and it is applicable to a wide range of places, and there is no need to adjust the working sequence of the buffer.

Description of drawings

In order to make the content of the present invention more easily understood, the present invention will be described in further detail below in conjunction with the specific embodiments according to the accompanying drawings, wherein

The structural representation of the production line feeding mechanism of the present invention of Fig. 1;

The structural representation one of Fig. 2 two-stage buffer of the present invention;

The structure schematic diagram two of the two-stage buffer of the present invention of Fig. 3;

The structural representation of the piston body assembly in the two-stage buffer of the present invention of Fig. 4;

Fig. 5 is a working schematic diagram of the piston body assembly of the present invention;

Fig. 6 is a structural block diagram of the control circuit of the present invention.

Among them, 1-1 deceleration device, 1-2 material tray, 1 first stage buffer, 2 final stage buffer, 4 cylinder block, 4-1 electromagnetic coil, 4-2 buffer layer, 5 cylinder head, 6 first stage buffer Piston rod of the device, 6-1 Piston rod of the final buffer, 7 Piston body assembly, 8 Outer cylinder, 9 Pressure sensor, 10 Slider, 7-1 Left piston body, 7-2 Right piston body, 7-3 Through hole, 7-4 motor, 7-5 rotor, 11 rail body.

detailed description

Below in conjunction with accompanying drawing and embodiment the present invention is described in detail:

Example 1

See Fig. 1, a kind of feeding mechanism of production line, comprise: guide rail body 11, the slide block 10 that slidingly fits on this guide rail body 11, the slide block 10 is provided with material tray 1-2; One end of described guide rail body 11 is provided with The deceleration device 1-1 for decelerating the slider 10.

The reduction gear 1-1 is a buffer.

See Fig. 2, Fig. 3 and Fig. 6, described buffer is two-stage buffer, and this two-stage buffer comprises: first stage buffer 1, final stage buffer 2; Described first stage buffer 1, final stage buffer The device 2 respectively includes: a cylinder body 4 which is cylindrical and is used to fill the buffer medium. A cylinder head 5 is sealed at the open end of the cylinder body 4, and a piston is fitted in the central through hole of the cylinder head 5 in a sealing manner. Rod 6, the right end of the piston rod 6 is provided with a piston body assembly 7 for adjusting the back and forth flow of the medium, the piston body assembly 7 is suitable for piston movement in the cylinder body 4, and is movable with the inner wall of the cylinder body 4 sealing fit; wherein, the cylinder body 4 of the first-stage buffer 1 constitutes the piston rod 6-1 of the final-stage buffer 2; when buffering, the right end surface of the cylinder 4 of the final-stage buffer 2 acts as On the contact surface that collides with the slider 10, the right end surface is laid with a buffer layer 4-2 for buffering the impact of the slider 10; the side wall of the cylinder 4 of the final buffer 2 is wound with an electromagnetic coil 4 -1; the right end surface of the piston body assembly 7 of the final buffer 2 is provided with a pressure sensor 9 for detecting medium pressure, and the pressure sensor is connected to a processor module; when the slider 10 hits the cylinder When the right end face of the body, the processor module is adapted to control a current drive module to output a current matching the medium pressure value according to the medium pressure value, so that the electromagnetic coil 4-1 generates a corresponding magnetic field to pull in The slider 10; until the processor module measures the medium pressure value as an equilibrium value, control the current drive module to close the output current, so that the magnetic field disappears, so as to release the slider 10; wherein, each stage The piston body assembly 7 of the buffer is adapted to control the piston body assembly to adjust or close the medium back-and-forth flow in the corresponding cylinder 4 according to the medium pressure detected by the pressure sensor 9 when the piston is in motion. , to adjust the speed of the movement of the piston body assembly 7 or the number of buffer stages.

The bottom of the piston rod 6 of the first stage buffer 1 is fixed on the right end surface of the outer cylinder 8 . The outer cylinder 8 is fixed on the guide rail body 11 , and the right end surface of the cylinder body 4 of the final buffer 2 is arranged opposite to the slider 11 .

When the slider 10 hits the right end face of the cylinder body 4, the cylinder body 4 moves to the left, the piston body assembly 7 moves to the right relative to the cylinder body 4, and the buffer medium on the right side of the cylinder body 4 is subjected to When the buffer medium flows to the left side of the piston body assembly 7, the pressure on the buffer medium on the right side of the cylinder 4 gradually decreases until the medium pressure on the left and right sides of the piston body assembly 7 is equal, that is, the When the medium pressure value is an equilibrium value (that is, the pressure value when the hydraulic pressure values on the left and right sides of the piston body assembly 4 are equal), when the piston body assembly 7 stops working, the slider 10 also stops moving. Especially when the pressure sensor is used to accurately detect the right end face of the cylinder body 4 when the slider 10 hits, the impact force of the slider 10 does not need to control the sequence of the two-stage buffer according to the different medium densities in the cylinders of the two-stage buffer , and the buffer rhythm can be adjusted more reasonably according to the pressure value, prolonging the life of the buffer.

Wherein, the processor module adopts a single-chip microcomputer or an embedded ARM module; the pressure sensor 9, for example, can adopt Johnson P499VBS-404C; the described current drive module can adopt an AC current output unit, and the slider 10 can adopt an iron slider.

The right end faces of the piston body assemblies of the first-stage buffer 1 and the final-stage buffer 2 are respectively provided with temperature sensors suitable for detecting the temperature of the medium, and the temperature sensors are respectively connected to the processor modules; the processor The module is suitable for storing the upper limit temperature of the medium; when the piston body assembly of each level of buffer is suitable for piston movement, the processor module adjusts the medium in the corresponding cylinder according to the temperature of the medium detected by the temperature sensor Reciprocating flow, that is, when the temperature of the medium reaches the upper limit temperature, the processor module controls the piston body assembly 7 to reduce or close the reciprocating flow of the medium, so as to adjust the speed of piston movement or close the corresponding buffer . (In the figure, the temperature sensor is not shown)

As shown in Fig. 4-5, the piston body assembly 7 includes: a left piston body 7-1 and a right piston body 7-2 arranged coaxially, and the left piston body 7-1 and the right piston body 7-2 are symmetrically arranged A plurality of through holes 7-3 for the axial flow of the medium, and the sealing fit between the adjacent end faces of the left and right piston bodies, so that when the piston moves, the medium only passes through the left and right piston bodies Each through hole 7-3 of each realizes back-and-forth flow; Described left piston body 7-1 is provided with the cavity for placing motor 7-4, and this motor 7-4 is controlled by described processor module, and its rotor 7-5 Connected to the right piston body 7-2, used to drive the right piston body 7-2 to rotate according to the medium pressure, so as to control the relative positional relationship of each through hole 7-3 on the left and right piston bodies, and then control the flow rate of the medium , which controls the speed of the piston movement.

Among Fig. 5, the dotted line through hole 7-3 represents the through hole 7-3 in the left piston body 7-1, and the solid line through hole 7-3 represents the through hole 7-3 in the right piston body 7-2, and the arrow represents the motor 7-4 direction of rotation, this Figure 3 shows the butt joint process of the corresponding through holes 7-3 on the mating surfaces of the left and right piston bodies 7-2, so as to control the medium flow in the through holes.

The right piston body 7-2 deflects coaxially with respect to the right piston body 7-2, and its rotation range does not exceed the diameter of the through hole 7-3, which can also be called the deflection angle, that is, the motor 7-4 drives the right piston body according to the medium pressure. The piston body 7-2 rotates back and forth within this diameter range to achieve the purpose of controlling the medium flow, thereby controlling the piston movement speed of the corresponding piston body assembly 7, thereby relieving the medium pressure in the cylinder body 4, and extending the buffer The purpose of the life of the buffer, and each buffer can work in turn, on the premise of not shutting down, the buffer with a higher temperature can be cooled, prolonging the service life.

The power supply part can be powered by batteries. Battery can be installed in left or right piston body 7-2.

See Fig. 5, if there are more than one through hole 7-3, its distribution can be concentric with the left and right piston body 7-2. The signal and data lines can be placed in the walls of the cylinder body 4 of the buffers at all levels, or placed directly in the medium.

Example 2

See Fig. 1, Fig. 2, Fig. 3 and Fig. 6, the working method of a kind of production line feeding mechanism on the basis of embodiment;

The feeding mechanism of the production line includes: a guide rail body 11, a slide block 10 slidingly fitted on the guide rail body 11, and a material tray 1-2 is arranged on the slide block 10; 10 A reduction gear 1-1 for deceleration.

The reduction gear 1-1 is a buffer, and the buffer is a two-stage buffer.

The two-stage buffer includes: a first-stage buffer 1 and a final-stage buffer 2; the first-stage buffer 1 and the last-stage buffer 2 respectively include: a cylinder 4 that is cylindrical and is used to fill a buffer medium A cylinder cover 5 is sealed at the open end of the cylinder body 4, and a piston rod 6 is fitted in the central through hole of the cylinder cover 5 for sealing and movable movement. The right end of the piston rod 6 is provided with a piston body for adjusting the back and forth flow of the medium Assembly 7, the piston body assembly 7 is suitable for piston movement in the cylinder body 4, and is in active and sealing cooperation with the inner wall of the cylinder body 4; wherein, the cylinder body 4 of the first stage buffer 1 constitutes the The piston rod 6-1 of the final stage buffer 2; when buffering, the right end surface of the cylinder body 4 of the final stage buffer 2 is used as the contact surface that collides with the slider 10, and the right end surface is paved with a The buffer layer 4-2 hit by the block 10; the side wall of the cylinder 4 of the final buffer 2 is wound with an electromagnetic coil 4-1; the right end surface of the piston body assembly 7 of the final buffer 2 A pressure sensor 9 for detecting medium pressure is provided, which is connected to a processor module.

The working method of the feeding mechanism of the production line comprises:

When the slider 10 hits the right end face of the cylinder, the processor module is adapted to control a current drive module to output a current matching the medium pressure value according to the medium pressure value, so that the electromagnetic coil 4 -1 Generate a corresponding magnetic field to attract the slider 10; until the processor module measures the medium pressure value as an equilibrium value, control the current drive module to close the output current so that the magnetic field disappears to release The slider 10; wherein, when the piston body assembly 7 of each level of buffer is adapted to perform piston movement, the processor module controls the piston body assembly to adjust or Close the back and forth flow of the medium in the corresponding cylinder 4 to adjust the speed of the piston body assembly 7 or the number of buffer stages.

The piston body assembly 7 is the same as that of Embodiment 1, and will not be repeated here.

The right end faces of the piston body assemblies of the first-stage buffer 1 and the final-stage buffer 2 are respectively provided with temperature sensors suitable for detecting the temperature of the medium, and the temperature sensors are respectively connected to the processor modules; the processor The module is suitable for storing the upper limit temperature of the medium; when the piston body assembly of each level of buffer is suitable for piston movement, the processor module adjusts the medium in the corresponding cylinder according to the temperature of the medium detected by the temperature sensor Reciprocating flow, that is, when the temperature of the medium reaches the upper limit temperature, the processor module controls the piston body assembly 7 to reduce or close the reciprocating flow of the medium, so as to adjust the speed of piston movement or close the corresponding buffer . (In the figure, the temperature sensor is not shown).

Apparently, the above-mentioned embodiments are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And these obvious changes or modifications derived from the spirit of the present invention are still within the protection scope of the present invention.

Claims (1)

1. A feeding mechanism for a production line, comprising: a guide rail body, a slide block slidingly fitted on the guide rail body, the slide block is provided with a material tray; it is characterized in that one end of the guide rail body is provided with a the deceleration device; The deceleration device is a buffer; The buffer is a two-stage buffer, and the two-stage buffer includes: a first-stage buffer and a final-stage buffer; The first-stage buffer and the last-stage buffer respectively include: It is a cylinder body that is cylindrical and is used to fill the buffer medium. A cylinder head is sealed at the opening end of the cylinder body. A piston rod is fitted in the central through hole of the cylinder head for sealing and moving. The right end of the piston rod is provided with a A piston body assembly for adjusting the back-and-forth flow of the medium, the piston body assembly is suitable for piston movement in the cylinder, and is movable and sealed with the inner wall of the cylinder; Wherein, the cylinder body of the first-stage buffer constitutes the piston rod of the last-stage buffer; During the buffering operation, the right end surface of the cylinder body of the final buffer acts as a contact surface colliding with the slider, and a buffer layer for buffering the impact of the slider is laid on the right end surface; An electromagnetic coil is wound around the side wall of the cylinder of the final buffer; A pressure sensor for detecting medium pressure is provided on the right end surface of the piston body assembly of the final buffer, and the pressure sensor is connected to a processor module; When the slider hits the right end face of the cylinder of the final buffer, the processor module is adapted to control a current drive module to output a current matching the medium pressure value according to the medium pressure value, so that the The electromagnetic coil generates a corresponding magnetic field to attract the slider; until the processor module measures the medium pressure value as an equilibrium value, the current drive module is controlled to turn off the output current so that the magnetic field disappears to release the the slider; Wherein, the piston body assembly of each level of buffer is adapted to control the piston body assembly to adjust or close the medium reciprocation in the corresponding cylinder according to the medium pressure detected by the pressure sensor when the piston moves. flow to adjust the speed of movement of the piston body assembly or the number of buffer stages.