CN116329428A - Spring coiling machine equipment - Google Patents

Abstract

The invention belongs to the technical field of spring coiling machines, and in particular relates to a spring coiling machine equipment, which includes a base, a display console, a cabinet, a feeding module, a guide plate, a coil diameter control module, a pitch control module, and a cutter. The designed spring coiling machine can form two steel wires with different diameters at one time, and organically combine the forming structures of the two steel wires while considering the cost, instead of adding a group directly to the traditional single steel wire forming structure, While realizing forming two steel wires at one time, the cost is reduced as much as possible. The feed module, pitch control module, core sleeve, ring diameter control module and guide plate of the present invention can be replaced, and the corresponding feed can be replaced according to the steel wires of different diameters and the ring diameter and pitch of the required forming spring. The module, pitch control module, core sleeve, ring diameter control module and guide plate are more convenient to use.

Description

A kind of spring machine equipment

technical field

The invention belongs to the technical field of spring coiling machines, in particular to a spring coiling machine equipment.

Background technique

Torsion spring machine generally refers to the mechanical equipment for producing springs, and there are automatic type and numerical control type in development. According to the functional characteristics, it is divided into: compression spring machine, extension spring machine, universal machine, disc machine and special spring machine such as: snake spring machine and torsion spring machine. According to the driving mode, it is divided into: semi-automatic, automatic, numerical control and full computer control.

The current spring coiling machine can only pass through one steel wire at the same time for spring manufacturing, and the efficiency is low; if two steel wires can be fed at the same time, the manufacturing efficiency can be improved.

In the case of adding two steel wires, from the perspective of cost reduction, it should not directly add a group to the processing structure of the original single steel wire, but to combine them organically. How to design an organically combined structure is the basic Invent a point to study.

In addition, the single feeding roller can adapt to different types of steel wires by adjusting the pressure structure; The clamping displacements when the rollers are clamped at the same time are different, and if it is realized by a set of adjusting pressure-applying mechanism, it is also a point studied by the present invention.

The present invention designs a kind of spring coiling machine equipment to solve the above problems.

Contents of the invention

In order to achieve the above object, the present invention adopts the following technical solutions:

A spring coiling machine, which includes a base, a display console, a case, a feed module, a guide plate, a coil diameter control module, a pitch control module, and a cutter, and the case is provided with avoidance round holes; The material module includes a fixed shell, an upper roller, a lower roller, a mounting slider, a first spring, and a motor. The three fixed shells are evenly detachable and installed on the front side of the chassis, and each fixed shell is slidingly installed with two One installation slider, the first spring is installed between the two installation sliders and the fixed shell, and the four upper rollers are rotatably installed between the two installation sliders; the upper rollers have semi-circular grooves, four The semi-circular grooves on the upper rollers correspond to four types of steel wires with different diameters; a lower roller is rotatably installed on the lower side of each fixed shell; the motor is fixedly installed in the chassis, and the motor can control three lower rollers rotate.

There are four guide grooves for steel wires to pass through on the guide plate; the four guide grooves correspond to the four upper rollers in the feeding module one by one.

The circle diameter regulating module includes a mounting support and a circle diameter regulating block, wherein the mounting support is fixedly installed on the front side of the chassis, and one end of the mounting support facing the guide plate is detachably mounted with four circle diameter regulating blocks.

The pitch regulating module includes a mounting plate, a third limit rod, a pitch regulating plate, a core sleeve, a mandrel, a fixed rod, a first sliding block, a second sliding block, and a leaf spring, wherein the mounting plate can be detachably mounted on On the front side of the chassis, two first sliding blocks and two second sliding blocks are installed symmetrically on the mounting plate; the ends of the two second sliding blocks away from the mounting plate are respectively swingingly installed with a pitch control plate , a leaf spring is installed between the pitch regulating plate and the corresponding second sliding block, and the leaf spring has a preload; the end of the first sliding block away from the mounting plate is fixedly installed with a third limit rod , the two third limit rods correspond to the two pitch control plates one by one; the mandrel is fixedly installed on the mounting plate through the fixing bar and is located on the front side of the pitch control plate, and the four core sleeves are slidably installed on the mandrel .

As a preferred solution, a transmission slide plate is mounted sliding up and down on the inner side of the upper end of each of the fixed shells, and a first adjusting screw is mounted on the upper end of the drive slide plate in rotation, and the upper end of the first adjusting screw passes through the upper end surface of the corresponding fixed shell It is connected with the fixed shell through thread fit; the first connecting rod is an inverted U shape, and the first connecting rod is slid up and down in the fixed shell and is located on the lower side of the driving skateboard; between the upper end of the first connecting rod and the driving skateboard Two first springs and two guide rods nested in the first springs are symmetrically installed, and the guide rods are telescopic structures; two installation sliders are fixedly installed on the lower end of the first connecting rod.

As an optimal solution, a fixed rotating shaft is installed between the two installation sliders; the four upper rollers are respectively rotatably mounted on the fixed rotating shaft through a rolling bearing, and thrust bearings are installed between adjacent upper rollers.

As an optimal solution, a mounting shaft is rotatably installed at the lower end of each fixed shell, and a lower roller is fixedly mounted on each mounting shaft; the output shaft of the motor and the three mounting shafts are connected by a synchronous wheel and a synchronous belt. Drive connection.

As a preferred solution, a first threaded ring and a second threaded ring are mounted on the outer circular surface of each lower roller through screw fit.

As an optimal solution, an L-shaped first limit rod and a second limit rod are slidably installed in each lower roller, and one end of the first limit rod passes upwards through the outer circular surface of the corresponding lower roller Cooperate with the second threaded ring; the third adjusting screw is installed on the lower roller through thread fit, one end of the third adjusting screw passes through the front end of the lower roller, and the other end of the third adjusting screw passes through the rotation pair and the first limit rod The other end of the second limit rod is connected to the other end; one end of the second limit rod passes upwards through the outer circular surface of the corresponding lower roller to cooperate with the first threaded ring; the transmission rod is C-shaped, and the transmission rod is slidably installed in the lower roller; Both the transmission rod and the second limit rod have teeth, and the transmission gear is rotatably installed in the lower roller; the transmission rod and the second limit rod are respectively located on the upper and lower sides of the transmission gear and meshed with the transmission gear respectively; the second adjustment screw It is installed on the lower roller through thread fit, one end of the second adjusting screw passes through the front end of the lower roller, and the other end of the second adjusting screw is connected with the transmission rod through the rotating pair.

As a preferred solution, one end of the mounting support facing the guide plate is provided with a trapezoidal chute, one end of the ring diameter regulating block has an arc-shaped groove, and the other end of the ring diameter regulating block is fixedly equipped with a trapezoidal slider; The control block is installed on the mounting support through the cooperation of the trapezoidal slider and the trapezoidal chute on it, and the clamping plate for fixing the circle diameter control block installed on it is installed on the mounting support. The clamping plate is detachably installed on the mounting support through bolts.

As a preferred solution, the two fourth adjusting screws are symmetrically mounted on the mounting plate and the two fourth adjusting screws are threadedly connected with the two first sliding blocks; the two fifth adjusting screws are symmetrically mounted on the mounting plate and the two fifth adjusting screw rods are threadedly connected with the two second sliding blocks.

As a preferred solution, the mandrel is fixedly mounted on the mounting plate through a fixed rod and is located on the front side of the pitch control plate, a guide chute is opened on the mandrel, a guide block is fixedly installed on the core sleeve, four The core sleeve is installed on the mandrel through the sliding fit of the guide block on it and the guide chute.

As a preferred solution, two limit plates are detachably installed at both ends of the mandrel.

Compared with the prior art, the present invention has the advantages of:

1. The spring coiling machine designed by the present invention can form two steel wires with different diameters at one time, and organically combine the forming structures of the two steel wires while considering the cost, instead of directly forming the traditional single steel wire forming structure Adding one set reduces the cost as much as possible while realizing forming two steel wires at one time.

2. The present invention can control the pressure of the four upper rollers on the steel wires through the first spring by controlling the up and down sliding of the transmission slide; The first adjustment screw is fine-tuned, and the steel wire with the smaller diameter difference can also be pushed without changing the upper pressure roller.

3. The present invention can simultaneously adjust the four upper rollers through the first adjusting screw, that is, the pressure of the two working upper rollers on the two steel wires being pushed can be adjusted at the same time, which is more convenient to use.

4. In the present invention, in order to ensure that the steel wires will not be shifted during the pushing process, the first threaded ring and the second threaded ring are threaded on the lower roller, and the two threaded rings play a role in the two steel wires being pushed. For the limitation of outward deviation, the second threaded ring corresponds to the two inner upper rollers, and the first threaded ring corresponds to the outer two upper rollers.

5. The present invention controls the sliding of the pitch regulating plate and the third limit rod by rotating the fourth adjusting screw and the fifth adjusting screw, and adjusts the final swing angle of the pitch regulating plate and the second sliding block through the cooperation of the two. That is, adjust the pitch of the forming spring.

6. The feed module, pitch control module, core sleeve, ring diameter control module and guide plate of the present invention can be replaced, and the corresponding ones can be replaced according to the steel wires of different diameters and the ring diameter and pitch of the required forming spring. The feed module, pitch control module, core sleeve, ring diameter control module and guide plate are more convenient to use.

Description of drawings

Figure 1 is a schematic diagram of the appearance of the overall components.

Figure 2 is a schematic diagram of the distribution of avoidance circular holes.

Figure 3 is a schematic diagram of the distribution of the feed module and the ring diameter control module.

Fig. 4 is a schematic diagram of the distribution of pitch control modules and cutters.

Figure 5 is a schematic diagram of the appearance of the feeding module.

Fig. 6 is a schematic diagram of cooperation between the upper roller and the lower roller.

Figure 7 is a schematic diagram of the installation of the upper roller.

Fig. 8 is a schematic diagram of driving the lower roller.

Fig. 9 is a schematic diagram of the structure of the lower roller.

Fig. 10 is a structural schematic diagram of the guide plate.

Fig. 11 is a schematic diagram of the appearance of the pitch control module.

Figure 12 is a schematic diagram of the installation of the mandrel.

Fig. 13 is a schematic diagram of the installation of the third limit rod and the pitch regulating plate.

Figure 14 is a schematic diagram of the installation of the core sleeve.

Figure 15 is a schematic diagram of the installation of the ring diameter control block.

Label names in the figure: 1. Base; 2. Display console; 3. Chassis; 4. Feeding module; 5. Guide plate; 6. Circle diameter control module; 7. Pitch control module; 9. Cutter; 10. Fixed shell; 11. Upper roller; 12. Lower roller; 13. Install rotating shaft; 14. Install slider; 15. First connecting rod; 16. First spring; 17. Guide rod ; 18, transmission slide plate; 19, the first adjusting screw rod; 20, fixed shaft; 21, thrust bearing; 22, motor; 23, synchronous belt; 24, synchronous wheel; 25, the first threaded ring; 26, the second threaded ring ; 27, the first limit rod; 28, the second limit rod; 29, the transmission rod; 30, the transmission gear; 31, the second adjustment screw; 32, the third adjustment screw; 33, the guide groove; 34, the mounting plate ; 35, the third limit rod; 36, the pitch control plate; 37, the core sleeve; 38, the mandrel; 39, the fixed rod; 40, the first sliding block; 41, the fourth adjusting screw rod; Screw rod; 43, the second slide block; 44, leaf spring; 45, the second connecting rod; 46, limit plate; 47, guide block; 48, guide chute; 51, trapezoidal chute; 52, trapezoidal slider; 53, rolling bearing; 54, mounting support.

Implementation

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples or drawings are used to illustrate the present invention, but not to limit the scope of the present invention.

A spring coiling machine, as shown in Figures 1 and 3, it includes a base 1, a display console 2, a chassis 3, a feed module 4, a guide plate 5, a ring diameter control module 6, a pitch control module 7, a cutting Knife 9, as shown in Figure 2, wherein has avoidance circular hole 8 on the cabinet 3, the front end of described avoidance circular hole 8 has circular conical surface.

In the present invention, each fixed shell 10 in the feeding module 4 has four upper rollers 11, and each upper roller 11 corresponds to a steel wire of a type, that is, the feeding module 4 designed in the present invention has four Different diameters of steel wire feed channels; however, in actual use, in order to prevent two adjacent steel wires from influencing each other in space when feeding, and in the spring coiling process, the formed steel wire will be under the action of the pitch regulating plate 36 It will move sideways, and the four steel wire feeding passages share a mandrel 38 in the present invention, that is, in the forming process, the formed steel wire can only move forward and backward along the axis of the mandrel 38, so the design of the present invention The feed module 4 only allows two steel wires to be formed at the same time during use, one of which moves forward under the action of the corresponding pitch regulating plate 36 after forming, and the other steel wire moves forward under the action of the corresponding pitch regulating plate 36 after forming. Move to the rear under the effect of moving, in the present invention, in order to prevent casing 3 from affecting the steel wire that moves to the rear, so on casing 3, offer avoidance circular hole 8, and set circular conical surface at the front end of avoidance circular hole 8, guarantee after molding The steel wire can smoothly slide into the avoidance circular hole 8, and discharge from the avoidance circular hole 8 rear.

As shown in Figures 5, 6, 7, 8, and 9, the feed module 4 includes a fixed shell 10, an upper roller 11, a lower roller 12, a mounting shaft 13, a mounting slider 14, a first connecting rod 15, First spring 16, guide rod 17, transmission slide plate 18, first adjusting screw rod 19, fixed rotating shaft 20, thrust bearing 21, motor 22, synchronous belt 23, synchronous wheel 24, first threaded ring 25, second threaded ring 26, The first limit rod 27, the second limit rod 28, the transmission rod 29, the transmission gear 30, the second adjustment screw 31, and the third adjustment screw 32, wherein the three fixed shells 10 are evenly and detachably installed on the front of the chassis 3 side, as shown in Figure 6, a transmission slide 18 is installed sliding up and down on the inner side of the upper end of each fixed shell 10, the upper end of the transmission slide 18 is rotatably installed with a first adjusting screw 19, and the upper end of the first adjusting screw 19 passes through The upper end surface corresponding to the fixed shell 10 is connected with the fixed shell 10 through thread fit; The lower side of the transmission slide plate 18; two first springs 16 and two guide rods 17 nested in the first spring 16 are symmetrically installed between the upper end of the first connecting rod 15 and the transmission slide plate 18. The guide rod 17 is a telescopic structure; the lower end of the first connecting rod 15 is equipped with two installation sliders 14, and a fixed rotating shaft 20 is installed between the two installation sliders 14; On the fixed shaft 20, thrust bearings 21 are installed between the adjacent upper rollers 11; the upper rollers 11 have semi-circular grooves, and the semi-circular grooves on the four upper rollers 11 correspond to four different The steel wire of diameter model; the lower end of each fixed housing 10 is all rotatably installed with an installation rotating shaft 13, all is fixedly installed with a lower roller 12 on each installation rotating shaft 13; As shown in Figure 8, motor 22 is fixedly installed in cabinet 3 Inside, the output shaft of the motor 22 and the three installation shafts 13 are connected through a synchronous wheel 24 and a synchronous belt 23; The first threaded ring 25 and the second threaded ring 26; a L-shaped first stop bar 27 and a second stop bar 28 are slidably installed in each lower roller 12, one end of the first stop bar 27 Pass through the outer circular surface of the corresponding lower roller 12 to cooperate with the second threaded ring 26; the third adjusting screw 32 is installed on the lower roller 12 through thread fit, and one end of the third adjusting screw 32 passes through the front end of the lower roller 12 , the other end of the third adjustment screw 32 is connected with the other end of the first stop rod 27 through the rotation pair; one end of the second stop rod 28 passes upwards to correspond to the outer circular surface of the lower roller 12 and the first screw thread The ring 25 cooperates; the transmission rod 29 is C-shaped, and the transmission rod 29 is slidably installed in the lower roller 12; both the transmission rod 29 and the second limit rod 28 have teeth, and the transmission gear 30 is rotatably installed on the lower roller 12 Inside; the transmission rod 29 and the second limit rod 28 are respectively located on the upper and lower sides of the transmission gear 30 and meshed with the transmission gear 30 respectively; One end passes through the front end of the lower roller 12, and the other end of the second adjusting screw 31 is connected with the transmission rod 29 through a rotating pair.

The present invention can control its up and down movement relative to the fixed shell 10 by rotating the first adjusting screw 19, and the movement of the first adjusting screw 19 drives the transmission slide 18 to move; because the first spring 16 is installed between the transmission slide 18 and the first connecting rod 15 , the four upper rollers 11 are installed below the first connecting rod 15 through two installation sliders 14 and the fixed shaft 20; so by controlling the up and down sliding of the transmission slide 18, the four upper rollers 11 can be controlled by the first spring 16 The pressure on the steel wire; when aiming at the steel wire with a smaller difference in diameter of the steel wire corresponding to the upper roller 11, the present invention can fine-tune by controlling the first adjusting screw 19, and can also adjust the pressure of the steel wire without replacing the upper pressure roller. The steel wire with the smaller diameter is used for pushing.

When the motor 22 is working, the three installation shafts 13 can be driven to rotate through the synchronous wheel 24 and the synchronous belt 23. The rotation of the installation shaft 13 drives the rotation of the lower roller 12, and the rotation of the lower roller 12 pushes the steel wire to move, and the movement of the steel wire will drive the upper roller through friction. 11 spins.

The semi-annular grooves of the four upper rollers 11 of the present invention are respectively aimed at steel wires of four different diameters, and the steel wires will be stuck in the semi-annular grooves during the pushing process, and the semi-annular grooves can limit the swing of the steel wires to a certain extent. effect; but because the steel wire diameters targeted by the four upper rollers 11 designed by the present invention increase sequentially from the inside to the outside, and the lower rollers 12 are circular rollers, the diameter of the outer circle is constant; so the four upper rollers The bottom surface of the semi-circular groove at the bottom of 11 is distributed obliquely upward from the inside to the outside; when pushing the steel wire, the upper roller 11 which is relatively inward to the steel wire will play a certain role in restricting the inward deviation of the steel wire, but due to the The diameter of the steel wire targeted by the semi-circular groove of the upper roller 11 is larger than the steel wire being pushed, so the pushed steel wire is easy to shift outward; in order to ensure that the steel wire will not shift during the pushing process, the present invention makes the lower roller 12, the first threaded ring 25 and the second threaded ring 26 are provided with thread cooperation, and the two steel wires that are being pushed play a role of restricting the outward deviation through the two threaded rings, and the second threaded ring 26 corresponds to the two inner There are two upper rollers 11, and the first threaded ring 25 corresponds to the outer two upper rollers 11.

In the present invention, because the first threaded ring 25 and the second threaded ring 26 are mounted on the lower roller 12 through thread fit, the first threaded ring 25 and the second threaded ring 26 are easily driven by the frictional force in the circumferential direction. Rotate relative to the lower roller 12, and then change its position on the lower roller 12; in order to ensure the stability of the first threaded ring 25 and the second threaded ring 26 on the lower roller 12, the present invention specially sets the first limit rod 27 And the second limiting rod 28, the first limiting rod 27 is positioned at the outside of the second threaded ring 26 to limit the second threaded ring 26, and the second limiting rod 28 is positioned at the inner side of the first threaded ring 25 to the first threaded ring 25 limit; the first limit rod 27 can be controlled to slide in the lower roller 12 by rotating the third adjustment screw 32; the transmission rod 29 can be controlled to slide in the lower roller 12 by rotating the second adjustment screw 31, and the transmission rod 29 can pass through The gear 30 drives the first limiting rod 27 to slide in the lower roller 12 . The adjustment ends of the second adjustment screw 31 and the third adjustment screw 32 of the present invention are both located on the side of the lower roller 12 facing away from the cabinet 3, which is convenient for adjustment.

The feeding module 4 of the present invention can be replaced. When the steel wire diameter models that can be pushed by the four upper rollers 11 cannot meet the requirements for pushing the steel wire being processed, the feeding module 4 is removed and a suitable feeding module is replaced. 4. Ensure that the upper roller 11 in the feeding module 4 matches the diameter of the steel wire being processed. The above-mentioned unsatisfactory means that the upper and lower rollers 11 cannot be satisfied even after slightly adjusting the upper and lower positions of the upper roller 11 through the first adjusting screw 19 .

In the present invention, there is a gap between the inner circular surface of the upper roller 11 and the fixed rotating shaft 20, and there is a gap between the adjacent upper rollers 11; between the upper roller 11 and the fixed rotating shaft 20, a rolling bearing 53 is installed, and the adjacent upper roller Thrust bearings 21 are installed between the wheels 11; the reason for this design is that the adjacent upper rollers 11 will not affect each other under the premise of ensuring the installation stability of the four upper rollers 11.

As shown in Figures 3, 4, and 10, a guide plate 5 is detachably installed on the front side of the cabinet 3, and the guide plate 5 is located on the front side of the feed module 4; four steel wires are provided on the guide plate 5. The guide grooves 33 passed through; the four guide grooves 33 correspond to the four upper rollers 11 in the feeding module 4 one by one.

The guide plate 5 effect is to guide the steel wire that promotes.

As shown in Figure 15, the ring diameter regulating module 6 includes a mounting support 54, a ring diameter regulating block 49, and a clamping plate 50, wherein the mounting support 54 is fixedly installed on the front side of the chassis 3, and the mounting support 54 faces the guide One end of the plate 5 has a trapezoidal chute 51, and one end of the circle diameter regulating block 49 has an arc groove, and the other end of the circle diameter regulating block 49 is fixedly equipped with a trapezoidal slide block 52; the four circle diameter regulating blocks 49 pass through the The cooperation of the trapezoidal slide block 52 and the trapezoidal chute 51 is installed on the mounting support 54, and the clamping plate 50 for fixing the ring diameter regulating block 49 installed on it is installed on the mounting support 54. The clamping plate 50 is detachably installed on the mounting support 54 by bolts.

The coil diameter of the formed spring can be controlled by the coil diameter regulating plate and the core sleeve 37 . Four different coil diameter control plates are set in the coil diameter adjustment module of the present invention, and each coil diameter control plate corresponds to a type of spring coil diameter; different coils can be replaced according to the coil diameter requirements of different springs during use diameter regulating plate, only need to take off the clamping plate 50 during replacement, and the required circle diameter regulating plate is installed on the mounting support 54 to get final product.

As shown in Figure 11, the pitch control module 7 includes a mounting plate 34, a third limit rod 35, a pitch control plate 36, a core sleeve 37, a mandrel 38, a fixed rod 39, a first sliding block 40, a first Four adjusting screw rods 41, the fifth adjusting screw rod 42, the second sliding block 43, the plate spring 44, the second connecting rod 45, the limit plate 46, wherein the mounting plate 34 is detachably installed on the front side of the cabinet 3, as shown in Figure 11, As shown in 13, two first sliding blocks 40 and two second sliding blocks 43 are slidably installed on the mounting plate 34 symmetrically; Four adjusting screw rods 41 are threadedly connected with two first sliding blocks 40; two fifth adjusting screw rods 42 are symmetrically rotated on the mounting plate 34 and two fifth adjusting screw rods 42 are threadedly engaged with two second sliding blocks 43 connection; as shown in FIG. 13 , one end of the two second sliding blocks 43 away from the mounting plate 34 is respectively swing-mounted with a pitch regulating plate 36 , and the distance between the pitch regulating plate 36 and the corresponding second sliding block 43 A leaf spring 44 is installed between them, and the leaf spring 44 has a preload; the end of the first sliding block 40 away from the mounting plate 34 is respectively fixedly installed with a third stop rod 35 through a second connecting rod 45, two The third limit rod 35 corresponds to the two pitch control plates 36 one by one; as shown in Figure 12, the mandrel 38 is fixedly installed on the mounting plate 34 by the fixed rod 39 and is positioned at the front side of the pitch control plate 36, as As shown in Figure 14, a guide chute 48 is provided on the mandrel 38, a guide block 47 is fixedly installed on the core sleeve 37, and the four core sleeves 37 are installed through the sliding fit between the guide block 47 and the guide chute 48. On the mandrel 38 , two limit plates 46 are detachably installed at both ends of the mandrel 38 .

The second sliding block 43 can be controlled to slide on the mounting plate 34 by rotating the fourth adjusting screw 41, and the sliding of the second sliding block 43 drives the pitch regulating plate 36 to slide; The sliding of the pitch regulating plate 36 can also control the swing angle of the pitch regulating plate 36 relative to the second sliding block 43; by rotating the fifth adjusting screw 42, the sliding of the first sliding block 40 can be controlled, and the first sliding block 40 can slide through the second connecting block. The rod 45 drives the third limiting rod 35 to slide; by controlling the sliding of the third limiting rod 35, the swing angle of the pitch regulating plate 36 relative to the second sliding block 43 can be adjusted, that is, the pitch of the formed spring can be controlled. The present invention controls the sliding of the pitch regulating plate 36 and the third limit rod 35 by rotating the fourth adjusting screw 41 and the fifth adjusting screw 42, and the pitch regulating plate 36 and the second sliding block 43 are finally adjusted by the cooperation of the two. The swing angle is to adjust the pitch of the forming spring.

Four different core sleeves 37 are arranged on the mandrel 38 of the present invention, and each core sleeve 37 corresponds to a type of spring coil diameter; different core sleeves 37 can be replaced according to the needs of different springs for the coil diameter during use. During replacement, only the limiting plate 46 needs to be removed, and the required core sleeve 37 is slidably installed on the mandrel 38 from both sides under the action of the guide block 47 and the guide chute 48; The center of 38 is fixed on the mounting plate 34 by fixed rod 39, so four core sleeves 37 penetrate respectively from the both sides of mandrel 38 when core sleeve 37 is installed.

In the present invention, the process of forming the steel wire into a spring is the same as that of the existing side coil spring machine. The feeding device plays a role in promoting the steel wire, and the steel wire is pushed to the ring diameter control module 6 under the guidance of the guide plate 5. Under the action of the control block 49 and the core sleeve 37, it is bent into a circle, and then it is moved outward circle by circle under the action of the pitch control plate 36, and finally formed into a coil spring.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Any simple modifications and equivalent changes made to the above embodiments according to the technical essence of the present invention all fall within the scope of the present invention. within the scope of protection.

Claims (10)

1. A spring coiling machine, which comprises a base, a display console, a casing, a feed module, a guide plate, a ring diameter regulation module, a pitch regulation module, and a cutter, and is characterized in that: the casing is provided with an escape round hole; the feed module includes a fixed shell, an upper roller, a lower roller, a mounting slider, a first spring, and a motor, wherein three fixed shells are evenly and detachably installed on the front side of the chassis, and each fixed shell There are two installation sliders slidingly installed inside, the first spring is installed between the two installation sliders and the fixed shell, and the four upper rollers are rotatably installed between the two installation sliders; the upper rollers have half Circular grooves, the semi-circular grooves on the four upper rollers correspond to four types of steel wires with different diameters; a lower roller is rotatably installed on the lower side of each fixed shell; the motor is fixedly installed in the chassis, and the motor can Control the rotation of the three lower rollers; There are four guide grooves for steel wires to pass through on the guide plate; the four guide grooves correspond to the four upper rollers in the feeding module; The ring diameter control module includes a mounting support and a ring diameter control block, wherein the mounting support is fixedly installed on the front side of the chassis, and one end of the mounting support facing the guide plate is detachably installed with four ring diameter control blocks; The pitch regulating module includes a mounting plate, a third limit rod, a pitch regulating plate, a core sleeve, a mandrel, a fixed rod, a first sliding block, a second sliding block, and a leaf spring, wherein the mounting plate can be detachably mounted on On the front side of the chassis, two first sliding blocks and two second sliding blocks are installed symmetrically on the mounting plate; the ends of the two second sliding blocks away from the mounting plate are respectively swingingly installed with a pitch control plate , a leaf spring is installed between the pitch regulating plate and the corresponding second sliding block, and the leaf spring has a preload; the end of the first sliding block away from the mounting plate is fixedly installed with a third limit rod , the two third limit rods correspond to the two pitch control plates one by one; the mandrel is fixedly installed on the mounting plate through the fixing bar and is located on the front side of the pitch control plate, and the four core sleeves are slidably installed on the mandrel . 2. A kind of spring coiling machine equipment according to claim 1, characterized in that: the inner side of the upper end of each said fixed shell is slid up and down to install a transmission slide plate, and the upper end of said drive slide plate is rotatably installed with a first adjusting screw , the upper end of the first adjusting screw passes through the upper end surface of the corresponding fixed shell and is connected with the fixed shell through thread fit; the first connecting rod is in the shape of an inverted U, and the first connecting rod slides up and down and is installed in the fixed shell and is located under the transmission slide plate side; two first springs and two guide rods nested in the first springs are symmetrically installed between the upper end of the first connecting rod and the transmission slide plate, and the guide rods are telescopic structures; two installation slides The block is fixedly installed on the lower end of the first connecting rod. 3. A kind of spring coiling machine equipment according to claim 1, characterized in that: a fixed rotating shaft is installed between the two installation sliders; the four upper rollers are respectively mounted on the fixed rotating shaft through a rolling bearing for rotation, Thrust bearings are installed between adjacent upper rollers. 4. A kind of coil spring machine equipment according to claim 1, it is characterized in that: the lower end of each fixed shell is all rotatably installed with an installation rotating shaft, all is fixedly installed with a lower roller on each installation rotating shaft; The output shaft is connected with the three installed rotating shafts through a synchronous wheel and a synchronous belt transmission. 5. A spring coiling machine according to claim 1, characterized in that: a first threaded ring and a second threaded ring are mounted on the outer surface of each lower roller through screw fit. 6. A kind of spring coiling machine equipment according to claim 5, characterized in that: an L-shaped first limit rod and a second limit rod are slidably installed in each lower roller, and the first limit rod One end of the positioning rod goes upwards through the outer circular surface of the corresponding lower roller to cooperate with the second threaded ring; the third adjusting screw is installed on the lower roller through thread fit, and one end of the third adjusting screw passes through the front end of the lower roller. The other end of the three adjusting screw rods is connected with the other end of the first limit rod through the rotation pair; one end of the second limit rod passes upwards through the outer circular surface of the corresponding lower roller to cooperate with the first threaded ring; the transmission rod is C shape, the transmission rod is slidably installed in the lower roller; the transmission rod and the second limit rod both have teeth, and the transmission gear is rotatably installed in the lower roller; the transmission rod and the second limit rod are respectively located on the transmission gear The upper and lower sides of the upper and lower sides of the second adjusting screw are respectively meshed with the transmission gear; the second adjusting screw is installed on the lower roller through thread fit, one end of the second adjusting screw passes through the front end of the lower roller, and the other end of the second adjusting screw passes through the rotating pair and the transmission rod connection. 7. A kind of spring coiling machine equipment according to claim 1, characterized in that: one end of the mounting support facing the guide plate is provided with a trapezoidal chute, one end of the circle diameter regulating block has an arc groove, and the circle diameter is controlled The other end of the block is fixedly equipped with a trapezoidal slider; the four circle diameter control blocks are installed on the mounting support through the cooperation of the trapezoidal sliding block and the trapezoidal chute on it, and the mounting support is installed on it. The ring diameter regulating block is used as a clamping plate for fixing, and the clamping plate is detachably installed on the mounting support through bolts. 8. A kind of spring coiling machine equipment according to claim 1, characterized in that: two fourth adjusting screw rods are symmetrically rotated and installed on the mounting plate and the two fourth adjusting screw rods are threadedly matched with the two first sliding blocks Connection; the two fifth adjusting screw rods are symmetrically rotated and installed on the mounting plate, and the two fifth adjusting screw rods are threadedly connected with the two second sliding blocks. 9. A kind of spring coiling machine equipment according to claim 1, characterized in that: the mandrel is fixedly installed on the mounting plate through a fixed rod and is located on the front side of the pitch regulating plate, and the mandrel is provided with Guide chute, guide blocks are fixedly installed on the core sleeve, and the four core sleeves are installed on the mandrel through the sliding cooperation between the guide blocks on the core sleeve and the guide chute. 10. A spring coiling machine according to claim 9, characterized in that two limit plates are detachably installed at both ends of the mandrel.

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