Spring winding device

By simplifying the coordination of the structure and multiple winding mechanisms, the automatic control of the spring winding device is achieved by using the guide head and the swing mechanism, the problem of high cost of existing devices is solved, and the production efficiency and stability of parameter control is improved.

CN222221022UActive Publication Date: 2024-12-24SHENGZHOU JINSHI SPRING MASCH CO LTD
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Patent Information

Application Number
CN202420928148.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2024-12-24
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

The existing spring winding device has a complex structure, resulting in high production, use and maintenance costs, making it difficult to meet the needs of efficient and low-cost spring winding.

Method used

A simplified spring winding device is designed, using multiple winding mechanisms to complete end bending and spring winding parameter control through position change of guide head. Combined with swing mechanism and cutting mechanism, automatic wire pushing and The winding process reduces the complexity of the device.

Benefits of technology

It realizes the simplicity of structure, production, use and maintenance costs, improves the production efficiency of the spring winding device and the stability of parameter control, and simplifies the operation process of the device.

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Abstract

The utility model discloses a spring winding device which is arranged on a spring machine and comprises a steel wire pushing mechanism and a winding mechanism, the winding mechanism comprises a guide head and a sliding seat, the guide head is connected to the sliding seat in a sliding mode, and a guide head driving assembly in transmission connection with the guide head is arranged on the sliding seat. The side face of the sliding base is in transmission connection with a swing mechanism. The steel wire pushing mechanism continuously and axially pushes a steel wire rod, the guide head is driven by the guide head driving assembly to slide along the sliding seat, and meanwhile, the sliding seat can be driven by the swing mechanism to deflect, so that the resultant motion of the guide head has more abundant motion paths, more operations can be completed, and winding parameter control on the steel wire can be better carried out.
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Description

Technical Field

[0001] The utility model relates to a spring processing device, more specifically, it relates to a spring winding device. Background Art

[0002] During the spring winding process, while the steel wire is pushed axially, there must be limiters to limit and guide the steel wire at multiple positions and from different directions to change the forward direction of the steel wire so that the steel wire can be wound into a spring. For example, when winding springs of different outer diameters and different rotation directions, it is necessary to adjust the position and guide direction of each limiter. The invention patent with publication number CN116511378A discloses a spiral spring winding device, including a device seat, on which a first mounting groove and a second mounting groove are sequentially opened, a cutting mechanism is installed in the first mounting groove, a conveying module is installed on the device seat, and also includes: a driving mechanism, the output ends of the driving mechanism are respectively connected to the control mechanism and the lifting assembly, the lifting assembly is fixedly connected to the winding tool, and a winding plate is distributed on the control mechanism. The driving mechanism in the invention drives the lifting assembly and the control mechanism to work at the same time. The lifting assembly adjusts the height of the winding tool, and the control mechanism drives multiple sets of winding plates to move at the same time, thereby changing the winding diameter of the coil spring, so that the winding device can wind coil springs of different diameters without replacing parts, thereby improving the production efficiency of the coil spring by the winding device. However, the structure of the invention is relatively complex, and the production, use and maintenance costs are relatively high. Utility Model Content

[0003] The existing spring winding device has a relatively complex structure and has high production, use and maintenance costs. To overcome this defect, the utility model provides a spring winding device that can simplify the structure and reduce production, use and maintenance costs.

[0004] The technical solution of the utility model is: a spring winding device, which is arranged on a spring machine, and the spring winding device includes a wire pushing mechanism and a winding mechanism, and the winding mechanism includes a guide head and a slide seat, the guide head is slidably connected to the slide seat, and a guide head driving assembly connected to the guide head is provided on the slide seat, and the side of the slide seat is connected to a swing mechanism. The wire pushing mechanism continuously pushes the steel wire axially, and the guide head slides along the slide seat under the drive of the guide head driving assembly, and the slide seat can be deflected under the drive of the swing mechanism, so that the synthetic motion of the guide head has a richer motion path, can complete more operations, and better control the winding parameters of the steel wire.

[0005] Preferably, the winding mechanism is at least two groups, and the guide heads of the winding mechanism are located on the circumference of the spring when the spring is wound. The guide heads are arranged at multiple points and fall on the circumference formed by the spring winding. More guide heads can more accurately define the spring winding shape.

[0006] Preferably, the spring winding device further comprises a spiral axial pressing mechanism, which comprises a pressing drive assembly and a retractable pressing head, and the pressing head is in transmission connection with the pressing drive assembly. The steel wire continuously pushed by the steel wire pushing mechanism deflects in its travel direction under the constraint of the guide head and is wound into a circle. The pressing head, pushed by the pressing drive assembly, passes over the plane where the circle formed by the steel wire winding is located, and pushes the spring circle unilaterally so that the plane where the spring circle is located forms an angle with the spring axis, and forms a pitch as the spring is wound.

[0007] Preferably, the guide head driving mechanism comprises a guide head driving motor and a gear box connected to the guide head driving motor, the output end of the gear box is connected to a screw, the screw is connected to a slider through a thread, the guide head is fixed on the slider, and the slider is slidably connected to the slide seat. The screw is driven to rotate by the guide head driving motor, and the screw and the slider convert relative rotation into relative axial motion through the thread, so as to realize the sliding connection of the slider and even the guide head on the slide seat.

[0008] Preferably, the swing mechanism includes a swing motor and a swing connecting rod, the output end of the swing motor is provided with a driving disk, one end of the swing connecting rod is hinged on the driving disk at a position deviating from the rotation axis, and the other end is hinged on the edge of the slide. The swing connecting rod pulls the slide as the swing motor rotates, thereby changing the relative position and distance between the slide and the output end of the wire pushing mechanism, and cooperates with the guide head at different positions on the slide to complete multiple operations such as end bending and spring winding parameter control.

[0009] Preferably, the spring winding device further comprises a swinging guide plate, the edge of which is provided with an arc-shaped guide surface, and the slide seat is provided with a guide mating surface adapted to fit the arc-shaped guide surface. The arc-shaped guide surface cooperates with the guide mating surface, so that the swing trajectory of the slide seat when driven by the swing connecting rod is more accurate, thereby improving the stability and rigidity of the spring winding parameter control.

[0010] Preferably, the spring winding device further comprises a cutting mechanism, which comprises a pair of punching hydraulic cylinders and a pair of punching heads respectively connected to the output ends of the two punching hydraulic cylinders. After the spring of the required length is wound, the cutting mechanism can automatically cut the steel wire at the output end of the steel wire pushing mechanism, and separate the wound spring from the steel wire. The cutting mechanism cooperates with the steel wire pushing mechanism and the winding mechanism to improve the spring production efficiency.

[0011] Preferably, the steel wire pushing mechanism comprises a pair of rolling pushing wheels, and a wheel groove matching the steel wire diameter of the spring is provided on the wheel surface of the pushing wheel. The steel wire is embedded in the wheel groove, and the pair of rolling pushing wheels clamps the steel wire surface, and pushes the steel wire outward through static friction between the pushing wheels and the steel wire.

[0012] The beneficial effects of the utility model are:

[0013] Simple structure. The utility model cooperates with multiple winding mechanisms, and can complete multiple operations such as end bending and spring winding parameter control by only changing the position of the guide head. The structure is simple and the production, use and maintenance costs of the spring processing device are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A structural schematic diagram of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the swing mechanism in the utility model.

[0016] In the figure, 1-wire pushing mechanism, 2-winding mechanism, 3-guide head, 4-slide, 5-rotating shaft, 6-swing mechanism, 7-gear box, 8-slider, 9-swing motor, 10-swing connecting rod, 11-driving disk, 12-swing guide plate, 13-cutting mechanism, 14-punching hydraulic cylinder, 15-punching head, 16-pushing wheel, 17-wall panel, 18-outlet pipe. DETAILED DESCRIPTION

[0017] The present invention will be further described below with reference to the specific embodiments of the drawings.

[0018] Embodiment 1:

[0019] like Figure 1 , Figure 2As shown, a spring winding device is arranged on a spring machine, and the spring winding device comprises a set of steel wire pushing mechanism 1, two sets of winding mechanism 2, two sets of swing mechanism 6, a swing guide plate 12, a set of cutting mechanism 13 and a wall plate 17. The steel wire pushing mechanism 1, the winding mechanism 2, the swing mechanism 6, the swing guide plate 12 and the cutting mechanism 13 are all installed on the wall plate 17, and the steel wire pushing mechanism 1, the winding mechanism 2, the swing mechanism 6 and the cutting mechanism 13 are all electrically connected to a PLC, and the PLC is installed in the electrical cabinet of the spring machine. The winding mechanism 2 comprises a guide head 3 and a slide 4, and the slide 4 is rotatably connected to the wall plate 17 through a rotating shaft 5. The guide head 3 is provided with an arc-shaped guide surface, and the arc-shaped guide surface is provided with a guide groove adapted to the wire diameter of the spring steel wire, and the guide groove has an inclination, so that the steel wire wire is wound to form an axially extended spiral coil with a stable pitch. The two groups of winding mechanisms 2 are staggered on the wallboard 17. The guide head of the winding mechanism 2 at a higher position is L-shaped hook-shaped, and the arc-shaped guide surface on the guide head is located on the inner side of the hook. The slide 4 is provided with a guide head drive assembly and a slide rail, and a slide block 8 is slidably connected to the slide rail. The guide head drive assembly includes a guide head drive motor and a gear box 7. The gear box 7 is fixed on the slide 4, and the guide head drive motor is fixed on the gear box 7. The input end of the gear box 7 is connected to the output end of the guide head drive motor by transmission. The output end of the gear box 7 is connected to a screw key, and the screw is connected to the slide block 8 by a thread. The guide head 3 is fixed on the slide block 8, and the slide block 8 is slidably connected to the slide 4, so that the guide head 3 is slidably connected to the slide 4, and the guide head drive assembly is connected to the guide head 3. The side of the slide 4 is connected to a swing mechanism 6 by transmission. When the spring is wound and formed, the guide head 3 of the winding mechanism 2 is located on the circumference of the spring, which is used to limit the spiral radius of the spring. The swing mechanism 6 includes a swing motor 9, a swing connecting rod 10 and a driving disc 11. The swing motor 9 is fixed on the wall panel 17. The driving disc 11 is fixed to the output end of the swing motor 9 by a circle of bolts arranged in an annular manner. The swing connecting rod 10 and the driving disc 11 are parallel to the wall panel 17. One end of the swing connecting rod 10 is hinged on the driving disc 11, and the other end is hinged on the edge of the slide 4. The hinge point of the swing connecting rod 10 on the driving disc 11 deviates from the rotation axis of the driving disc 11, so that the driving disc 11 and the swing connecting rod 10 form a crank connecting rod mechanism. The edge of the swing guide plate 12 is provided with an arc-shaped guide surface, and the slide 4 is provided with a guide matching surface that fits the arc-shaped guide surface. The cutting mechanism 13 includes a pair of punching hydraulic cylinders 14 and a pair of punching heads 15 respectively connected to the output ends of the two punching hydraulic cylinders 14 and positioned oppositely. The punching heads 15 are symmetrically located on both sides of the steel wire conveying path at the output end of the steel wire pushing mechanism 1.The wire pushing mechanism 1 includes four sets of pushing wheels 16 with opposite rollers and a wire outlet pipe 18. The pushing wheels 16 are rotatably connected to the wall panel 17. The wire outlet pipe 18 is installed on the wall panel 17 and is located downstream of the pushing wheel 16 to receive the wire diameter of the wire sent out from the pushing wheel 16. The wheel surface of the pushing wheel 16 is provided with a wheel groove adapted to the wire diameter of the spring. The steel wire is straightened in the wire pushing mechanism 1 and embedded in the wheel groove. The inner diameter of the internal channel of the wire outlet pipe 18 is adapted to the outer diameter of the steel wire, and the steel wire runs through the internal channel of the wire outlet pipe 18.

[0020] When the spring winding device is in operation, first, under the control of the PLC, the wire pushing mechanism 1 pushes the steel wire material out of the outlet pipe 18 by 3 cm and then pauses; the two sets of winding mechanisms 2 are started under the control of the PLC, and the guide heads 3 on the two sets of winding mechanisms 2 respectively approach the exposed steel wire material, and the lower guide head 3 pushes the steel wire material upward. Since the steel wire material is also subject to the radial constraint of the outlet pipe 18 at the same time, the steel wire material is bent after being pushed upward, so that the steel wire material deviates from its original conveying path by about 80°, and the steel wire material is embedded in the guide groove; the higher guide head 3 first moves with the slide seat 4 under the drive of the swing connecting rod 10, and the outer side of the hook of the guide head 3 presses the upwardly folded steel wire material in the opposite direction, so that the end of the steel wire material forms a Z-shaped bend, The higher guide head 3 then returns a short distance driven by the swing link 10; then, under the control of the PLC, the wire pushing mechanism 1 starts pushing the wire again. Due to the obstruction and guidance of the arc-shaped guide surface on the lower guide head 3, the continuously pushed wire bends and winds. During winding, the gap between the inner side of the hook of the higher guide head 3 and the lower guide head 3 constitutes a wire winding channel, that is, the inner side of the hook of the higher guide head 3 limits the inner circumference of the spiral coil after the spring is formed, and the arc-shaped guide surface on the lower guide head 3 limits the outer circumference of the spiral coil after the spring is formed; the spring winding length is determined by the built-in program of the PLC; after the winding is completed, the PLC controls the cutting mechanism 13 to start and cut off the formed spring as a whole.

[0021] Embodiment 2:

[0022] A spring winding device is arranged on a spring machine, and the spring winding device comprises a set of steel wire pushing mechanism 1, two sets of winding mechanism 2, two sets of swing mechanism 6, a spiral axial pressing mechanism, a swing guide plate 12, a set of cutting mechanism 13 and a wall plate 17. The steel wire pushing mechanism 1, the winding mechanism 2, the swing mechanism 6, the spiral axial pressing mechanism, the swing guide plate 12 and the cutting mechanism 13 are all installed on the wall plate 17, and the steel wire pushing mechanism 1, the winding mechanism 2, the swing mechanism 6, the spiral axial pressing mechanism and the cutting mechanism 13 are all electrically connected to a PLC, and the PLC is installed in the electrical cabinet of the spring machine. The winding mechanism 2 comprises a guide head 3 and a slide 4, and the slide 4 is rotatably connected to the wall plate 17 through a rotating shaft 5. The guide head 3 is provided with an arc guide surface, and the arc guide surface is provided with a guide groove adapted to the wire diameter of the spring steel wire. The spring winding device also includes a spiral axial pressing mechanism, which includes a pressing drive assembly and a retractable pressing head, and the pressing drive assembly includes a pressing drive motor and a pressing drive screw, which is keyed to the output end of the pressing drive motor, and the pressing head has a spiral groove at its center, which is threadedly engaged with the pressing drive screw, so that the pressing head is connected to the pressing drive assembly in a transmission manner. The two sets of winding mechanisms 2 are staggered on the wall panel 17, and the guide head of the higher winding mechanism 2 is in an L-shaped hook shape, and the arc-shaped guide surface on the guide head is located on the inner side of the hook. The slide 4 is provided with a guide head drive assembly and a slide rail, a slide 8 is slidably connected to the slide rail, the guide head drive assembly includes a guide head drive motor and a gear box 7, the gear box 7 is fixed on the slide 4, the guide head drive motor is fixed on the gear box 7, the input end of the gear box 7 is transmission-connected to the output end of the guide head drive motor, the output end of the gear box 7 is connected to a screw key, the screw is connected to the slide 8 by a thread, the guide head 3 is fixed on the slide 8, the slide 8 is slidably connected to the slide 4, so that the guide head 3 is slidably connected to the slide 4, and at the same time, the guide head drive assembly is transmission-connected to the guide head 3, and the side of the slide 4 is transmission-connected to a swing mechanism 6. When the spring is wound and formed, the guide head 3 of the winding mechanism 2 is located on the circumference of the spring, which is used to limit the spiral radius of the spring. The swing mechanism 6 includes a swing motor 9, a swing connecting rod 10 and a driving disc 11. The swing motor 9 is fixed on the wall panel 17. The driving disc 11 is fixed to the output end of the swing motor 9 by a circle of bolts arranged in an annular manner. The swing connecting rod 10 and the driving disc 11 are parallel to the wall panel 17. One end of the swing connecting rod 10 is hinged on the driving disc 11, and the other end is hinged on the edge of the slide 4. The hinge point of the swing connecting rod 10 on the driving disc 11 deviates from the rotation axis of the driving disc 11, so that the driving disc 11 and the swing connecting rod 10 form a crank connecting rod mechanism. The edge of the swing guide plate 12 is provided with an arc-shaped guide surface, and the slide 4 is provided with a guide matching surface that fits the arc-shaped guide surface. The cutting mechanism 13 includes a pair of punching hydraulic cylinders 14 and a pair of punching heads 15 respectively connected to the output ends of the two punching hydraulic cylinders 14 and positioned oppositely. The punching heads 15 are symmetrically located on both sides of the steel wire conveying path at the output end of the steel wire pushing mechanism 1.The wire pushing mechanism 1 includes four sets of pushing wheels 16 with opposite rollers and a wire outlet pipe 18. The pushing wheels 16 are rotatably connected to the wall panel 17. The wire outlet pipe 18 is installed on the wall panel 17 and is located downstream of the pushing wheel 16 to receive the wire diameter of the wire sent out from the pushing wheel 16. The wheel surface of the pushing wheel 16 is provided with a wheel groove adapted to the wire diameter of the spring. The steel wire is straightened in the wire pushing mechanism 1 and embedded in the wheel groove. The inner diameter of the internal channel of the wire outlet pipe 18 is adapted to the outer diameter of the steel wire, and the steel wire runs through the internal channel of the wire outlet pipe 18.

[0023] When the spring winding device is running, first, under the control of PLC, the wire pushing mechanism 1 pushes the steel wire material out of the outlet pipe 18 by 3 cm and then pauses; the two sets of winding mechanisms 2 are started under the control of PLC, and the guide heads 3 on the two sets of winding mechanisms 2 respectively approach the exposed steel wire material, and the lower guide head 3 pushes the steel wire material upward. Since the steel wire material is also subject to the radial constraint of the outlet pipe 18 at the same time, the steel wire material is bent after being pushed upward, so that the steel wire material deviates from its original conveying path by about 80°, and the steel wire material is embedded in the guide groove; the higher guide head 3 first moves with the slide 4 under the drive of the swing connecting rod 10, and the outer side of the hook of the guide head 3 reversely presses the upwardly folded steel wire material, so that the end of the steel wire material forms a Z-shaped bend, and the higher guide head 3 then returns a short distance under the drive of the swing connecting rod 10; then, under the control of PLC, the steel wire material The pushing mechanism 1 starts to push the steel wire again. Due to the obstruction and guidance of the arc-shaped guide surface on the lower guide head 3, the continuously pushed steel wire is bent and wound. During winding, the gap between the inner side of the hook of the higher guide head 3 and the lower guide head 3 constitutes a steel wire winding channel, that is, the inner side of the hook of the higher guide head 3 defines the inner circumference of the spiral coil after the spring is formed, and the arc-shaped guide surface on the lower guide head 3 defines the outer circumference of the spiral coil after the spring is formed; under the control of PLC, the top pressure head passes over the plane where the circumference formed by the steel wire winding is located under the push of the top pressure drive component, and pushes the spring circumference unilaterally so that the plane where the spring circumference is located forms an angle with the spring axis, and forms a pitch as the spring is wound; the spring winding length is determined by the PLC built-in program; after the winding is completed, the PLC controls the cutting mechanism 13 to start and cut off the formed spring as a whole.

[0024] Embodiment 3:

[0025] A spring winding device is arranged on a spring machine. The spring winding device comprises a set of steel wire pushing mechanism 1, three sets of winding mechanism 2, three sets of swing mechanism 6, three swing guide plates 12, a set of cutting mechanism 13 and a wall plate 17. The steel wire pushing mechanism 1, the winding mechanism 2, the swing mechanism 6, the swing guide plate 12 and the cutting mechanism 13 are all installed on the wall plate 17. The winding mechanism 2, the swing mechanism 6 and the swing guide plate 12 are arranged one by one. The steel wire pushing mechanism 1, the winding mechanism 2, the swing mechanism 6 and the swing guide plate 12 are all electrically connected to a PLC, which is installed in the electrical cabinet of the spring machine. The winding mechanism 2 comprises a guide head 3 and a slide 4. The slide 4 is rotatably connected to the wall plate 17 through a rotating shaft 5. The guide head 3 is provided with an arc-shaped guide surface. The arc-shaped guide surface is provided with a guide groove adapted to the wire diameter of the spring. The guide groove has an inclination so that the axially extended and pitch-stable spiral coil is formed when the steel wire is wound. The three groups of winding mechanisms 2 are staggered on the wallboard 17, which are high, medium and low winding mechanisms. The medium winding mechanism is flush with the wire pushing mechanism 1, the high winding mechanism is higher than the wire pushing mechanism 1, and the low winding mechanism is lower than the wire pushing mechanism 1. The high and low winding mechanisms are symmetrically distributed on both sides of the wire feeding path. The slide 4 is provided with a guide head driving assembly and a slide rail, and a slide rail is slidably connected to the slide rail. The guide head driving assembly includes a guide head driving motor and a gear box 7. The gear box 7 is fixed on the slide 4, and the guide head driving motor is fixed on the gear box 7. The input end of the gear box 7 is connected to the output end of the guide head driving motor by transmission. The output end of the gear box 7 is connected to a screw key, and the screw is connected to the slide 8 by thread. The guide head 3 is fixed on the slide 8, and the slide 8 is slidably connected to the slide 4, so that the guide head 3 is slidably connected to the slide 4, and the guide head driving assembly is connected to the guide head 3 by transmission. The side of the slide 4 is connected to a swing mechanism 6 by transmission. When the spring is wound, the guide head 3 of the winding mechanism 2 is located on the circumference of the spring, which is used to limit the spiral radius of the spring. The swing mechanism 6 includes a swing motor 9, a swing connecting rod 10 and a drive disk 11. The swing motor 9 is fixed on the wall panel 17. The drive disk 11 is fixed to the output end of the swing motor 9 through a circle of annularly arranged bolts. The swing connecting rod 10 and the drive disk 11 are parallel to the wall panel 17. One end of the swing connecting rod 10 is hinged on the drive disk 11, and the other end is hinged on the edge of the slide 4. The hinge point of the swing connecting rod 10 on the drive disk 11 deviates from the rotation axis of the drive disk 11, so that the drive disk 11 and the swing connecting rod 10 form a crank connecting rod mechanism. The edge of the swing guide plate 12 is provided with an arc guide surface, and the slide 4 is provided with a guide matching surface that fits the arc guide surface. The cutting mechanism 13 includes a pair of punching hydraulic cylinders 14 and a pair of punching heads 15 connected to the output ends of the two punching hydraulic cylinders 14 and opposite to each other. The punching heads 15 are symmetrically located on both sides of the steel wire conveying path at the output end of the steel wire pushing mechanism 1.The wire pushing mechanism 1 includes four sets of pushing wheels 16 with opposite rollers and a wire outlet pipe 18. The pushing wheels 16 are rotatably connected to the wall panel 17. The wire outlet pipe 18 is installed on the wall panel 17 and is located downstream of the pushing wheel 16 to receive the wire diameter of the wire sent out from the pushing wheel 16. The wheel surface of the pushing wheel 16 is provided with a wheel groove adapted to the wire diameter of the spring. The steel wire is straightened in the wire pushing mechanism 1 and embedded in the wheel groove. The inner diameter of the internal channel of the wire outlet pipe 18 is adapted to the outer diameter of the steel wire, and the steel wire runs through the internal channel of the wire outlet pipe 18.

[0026] When the spring winding device is in operation, first, under the control of the PLC, the wire pushing mechanism 1 pushes the steel wire material to expose the outlet pipe 18 by 3 cm and then pauses; the three groups of winding mechanisms 2 are started under the control of the PLC, and the guide heads 3 on the three groups of winding mechanisms 2 respectively approach the exposed steel wire material, and the guide head 3 of the high-position winding mechanism pushes the steel wire material upward. Since the steel wire material is also subject to the radial constraint of the outlet pipe 18, the steel wire material is bent after being pushed upward, so that the steel wire material deviates from its original conveying path by about 40°, and the steel wire material is embedded in the guide groove; the guide head 3 of the mid-position winding mechanism further pushes the steel wire material upward, so that the steel wire material finally deviates from its original conveying path by about 80°; the guide head 3 of the high-position winding mechanism First, it moves with the slide 4 under the drive of the swing link 10, and the outer side of the hook of the guide head 3 presses the upward folded steel wire in the opposite direction, so that the end of the steel wire forms a Z-shaped bend, and the guide head 3 of the high-position winding mechanism then returns a short distance under the drive of the swing link 10; then, under the control of the PLC, the steel wire pushing mechanism 1 starts to push the steel wire again. Due to the obstruction and guidance of the arc-shaped guide surfaces on the guide heads 3 of the three groups of winding mechanisms 2, the continuously pushed steel wire is bent and wound. The arc-shaped guide surfaces on the three guide heads 3 are all used to limit the outer circumference of the spiral coil after the spring is formed; the spring winding length is determined by the PLC built-in program; after the winding is completed, the PLC controls the cutting mechanism 13 to start and cut off the formed spring as a whole.

Claims

1. A spring winding device, arranged on a spring machine, characterized in that: The invention comprises a wire pushing mechanism (1) and a winding mechanism (2), wherein the winding mechanism (2) comprises a guide head (3) and a slide seat (4), wherein the guide head (3) is slidably connected to the slide seat (4), and a guide head driving assembly (5) which is transmission-connected to the guide head (3) is provided on the slide seat (4), and a side surface of the slide seat (4) is transmission-connected to a swing mechanism (6).

2. The spring winding device according to claim 1, characterized in that: The winding mechanisms (2) are at least two groups, and when the spring is wound and formed, the guide heads (3) of the winding mechanisms (2) are located on the circumference of the spring.

3. The spring winding device according to claim 1, characterized in that: It also includes a spiral axial pressing mechanism, which includes a pressing drive assembly and a retractable pressing head, and the pressing head is drivingly connected to the pressing drive assembly.

4. The spring winding device according to claim 1, characterized in that: The guide head drive assembly (5) comprises a guide head drive motor and a gear box (7) which is transmission-connected to the guide head drive motor. The output end of the gear box (7) is connected to a screw rod, which is threadedly connected to a slider (8). The guide head (3) is fixed on the slider (8), and the slider (8) is slidably connected to the slide seat (4).

5. The spring winding device according to claim 1, characterized in that: The swing mechanism (6) comprises a swing motor (9) and a swing connecting rod (10). A driving disk (11) is provided at the output end of the swing motor (9). One end of the swing connecting rod (10) is hinged to a position of the driving disk (11) that deviates from the rotation axis, and the other end is hinged to the edge of the slide seat (4).

6. The spring winding device according to claim 5, characterized in that: It also comprises a swing guide plate (12), the edge of which is provided with an arc-shaped guide surface, and the slide seat (4) is provided with a guide matching surface adapted to fit the arc-shaped guide surface.

7. The spring winding device according to claim 1, characterized in that: It also includes a cutting mechanism (13), which includes a pair of punching hydraulic cylinders (14) and a pair of punching heads (15) respectively connected to the output ends of the two punching hydraulic cylinders (14).

8. The spring winding device according to any one of claims 1 to 7, characterized in that the steel wire The pushing mechanism (1) comprises a pushing wheel (16) which rolls opposite to each other. A wheel groove which matches the wire diameter of a spring steel wire is provided on the wheel surface of the pushing wheel (16).