Spring coiling tool for wave spring machining

By designing waveform springs, roll spring workflows, including feeding, wave formation, cutting, and molding structure, solving the problem of fixing and cutting surface burrs of waveform springs, and realizing high -quality waveform spring production and improvement of adaptability.

CN222403250UActive Publication Date: 2025-01-28NANJING SUNZO SPRING ELASTICITY TECH CO LTD
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Patent Information

Application Number
CN202420817161.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-19
Publication Date
2025-01-28
Estimated Expiration
2034-04-19

AI Technical Summary

Technical Problem

The existing wave spring processing technology causes the wave spring drop range to be fixed under the action of gravity, which cannot be set according to requirements, affecting the actual purpose; at the same time, there are burrs on the cutting surface of the spring after cutting, which requires additional grinding process.

Method used

A wave -shaped spring processing is designed with a rolling spring work, including the feeding structure, the wave formation mechanism, the cutting structure and the spring molding structure. During the cutting process, the cutting structure uses the grinding plate to polish the cutting surface to ensure the production quality of the waveform spring, and the drop direction of the waveform spring can be set according to the requirements through the adjustment of the directional rod.

Benefits of technology

Through the use of this work, the subsequent processing process can be reduced during the production process of waveform spring, the quality and adaptability of production are improved, and the direction of the whereabouts of the waveform spring meet the production needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a spring coiling tool for wave spring processing, which relates to the technical field of spring processing and specifically comprises a fixing plate, and a feeding structure, a wave forming mechanism, a cutting structure and a spring forming structure are sequentially arranged at the top of the fixing plate. The wave-shaped forming mechanism comprises a first hydraulic telescopic rod and a second hydraulic telescopic rod which are fixedly connected with the fixing plate, the top of the first hydraulic telescopic rod is fixedly connected with a forming mold, the top of the second hydraulic telescopic rod is fixedly connected with a pressing roller, and the pressing roller is located above the forming mold; the spring forming structure comprises a limiting disc fixedly connected with the fixing plate. According to the spring coiling tool for wave spring machining, through the arrangement of the cutting structure, in the process of cutting production raw materials of the wave spring, the cutting structure can polish the cutting face, the production quality of the wave spring is guaranteed, the subsequent machining procedures of the wave spring can be reduced, and the production quality of the wave spring is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of spring processing, in particular to a coil spring tool for processing a wave spring. Background Art

[0002] Wave spring, also known as wave spring, is an elastic element with several wave crests and troughs on a circular metal. It has high requirements for size and elastic force precision and can be used in hydraulic valve industries such as military industry, petrochemical, steel, metallurgy, and shipbuilding. Wave springs require a spring coiling machine when processing. After searching, in the prior art, the authorized patent with application number CN202220020567.5 discloses a wave spring forming device, including a frame, a plurality of wire feeding flattening wheels are rotatably connected to the upper end of one side of the frame, and two of them are tangent to each other as a group, and each group is distributed from top to bottom. The linear material passing between the two wire feeding flattening wheels in each group is flattened. A wire guide for the linear material to pass through is provided between the two wire feeding flattening wheels located at the downstream end. A forming unit fixed to the frame is provided below the wire guide to position and form the linear material and control the pitch and number of waves per circle of the linear material formed into a wave spring. The front end of the forming unit is provided with a cutting unit fixed to the frame and other components.

[0003] When the above scheme is in use, the produced wave spring falls under the action of gravity, resulting in a fixed falling range of the wave spring, which cannot be set according to demand, affecting its practicality; and after being cut by a cutter, the cut surface of the spring has burrs, so that the wave spring needs to be polished in subsequent processing; based on this, the present application proposes a coil spring tooling for wave spring processing. Utility Model Content

[0004] The utility model provides a coil spring tool for processing wave springs, which solves the problem that the wave spring produced in the above-mentioned background technology falls under the action of gravity, resulting in a fixed falling range of the wave spring, which cannot be set according to demand, affecting its practicability; and after being cut by a cutter, the cut surface of the spring has burrs, so that the cut surface of the wave spring needs to be polished in subsequent processing.

[0005] The utility model provides the following technical solutions: a coil spring tool for processing a wave spring, comprising a fixed plate, the top of which is sequentially provided with a feeding structure, a wave-shaped forming mechanism, a cutting structure and a spring forming structure; the wave-shaped forming mechanism comprises a hydraulic telescopic rod 1 and a hydraulic telescopic rod 2 fixedly connected to the fixed plate, the top of the hydraulic telescopic rod 1 is fixedly connected with a forming mold, the top of the hydraulic telescopic rod 2 is fixedly connected with a pressure roller, and the pressure roller is located above the forming mold; the spring forming structure comprises a limit plate fixedly connected to the fixed plate, the middle part of the bottom of the limit plate is fixedly connected with an inner limit ring adapted to the inner diameter of the wave spring, the bottom of the inner limit ring is clamped with a guide rod, and the outer ring of the limit plate is evenly and movably connected with a forming wheel; the cutting structure comprises a hydraulic telescopic rod 3 fixedly connected to the limit plate, the other end of the hydraulic telescopic rod 3 is fixedly connected with a fixed rod, the bottom end of the fixed rod is movably connected with a cutting wheel, the cutting wheel comprises a grinding disc movably connected with the fixed rod, and a cutting knife is fixed on the outer ring of the grinding disc.

[0006] Preferably, the feeding structure comprises a support rod fixedly connected to the fixed plate, an upper feed roller and a lower feed roller are vertically distributed on the top of the support rod, and the upper feed roller and the lower feed roller are movably connected to the support rod.

[0007] Preferably, a feeding motor is fixed to the top end of the support rod, and the end of the output shaft of the feeding motor is fixedly connected to the end of the upper feeding roller or the end of the lower feeding roller.

[0008] Preferably, a driven gear is fixedly connected to the top of the forming wheel, a forming motor is fixedly connected to the middle of the top of the limiting plate, a driving gear is fixedly connected to the end of the output shaft of the forming motor, and the driving gear is meshed with the driven gear.

[0009] Preferably, a cutting motor is fixedly connected to the bottom end of the fixing rod, and the end of the output shaft of the cutting motor is fixedly connected to the middle part of the grinding disc.

[0010] Preferably, a cutting groove adapted to the cutting wheel is provided on the limiting plate, and a bottom of the cutting groove on a side away from the cutting wheel is fixedly connected to a limiting block, and a cutting groove is fixed in the middle of the limiting block.

[0011] Preferably, a clamping hole adapted to the guide rod is provided in the middle of the bottom of the inner limit ring, the outer circle of the clamping hole is provided with circular scale lines, and a pointer is fixed to the top of the guide rod, and the pointer is in contact with the circular scale lines.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The coil spring tooling for processing the wave spring can grind the cutting surface during the process of cutting the raw materials for the wave spring through the setting of the cutting structure, thereby ensuring the production quality of the wave spring, reducing the subsequent processing steps of the wave spring, and improving the production quality of the wave spring.

[0014] 2. The coil spring tooling for processing the wave spring can adjust the deflection angle of the guide rod according to the demand through the setting of the guide rod, so that the falling direction of the processed wave spring meets the production demand, thereby improving the adaptability of the coil spring tooling, and the user can accurately select the deflection angle of the guide rod through the pointer and the circular scale. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view of the structure of the utility model;

[0016] Figure 2 The utility model structure Figure 1 Back side diagram;

[0017] Figure 3 The utility model structure Figure 1 Bottom schematic diagram;

[0018] Figure 4 This is a schematic diagram of the bottom of the limit plate of the utility model structure;

[0019] Figure 5 This is a schematic diagram of the explosion of the limit plate structure of the utility model.

[0020] In the figure: 1. fixed plate; 2. upper feeding roller; 3. hydraulic telescopic rod 1; 4. hydraulic telescopic rod 2; 5. forming mold; 6. pressure roller; 7. feeding motor; 8. cutter; 9. hydraulic telescopic rod 3; 10. fixed rod; 11. cutting motor; 12. grinding disc; 13. limit plate; 14. driven gear; 15. forming wheel; 16. driving gear; 17. guide rod; 18. inner limit ring; 19. circular scale line; 20. pointer; 21. limit block; 22. clamping hole; 23. forming motor; 24. lower feeding roller. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides a coil spring tool for processing a wave spring, comprising a fixed plate 1, wherein a feeding structure, a wave forming mechanism, a cutting structure and a spring forming structure are sequentially arranged on the top of the fixed plate 1. When the coil spring tool is in use, the feeding structure conveys the raw material for producing the wave spring, the wave forming mechanism presses the raw material for producing the wave spring so that the raw material for producing the wave spring is pressed out of corrugations, the raw material with corrugations is rolled into a spring by the spring forming structure, and the cutting structure cuts the spring.

[0023] The above-mentioned feeding structure includes a support rod fixedly connected to the fixed plate 1, and an upper feed roller 2 and a lower feed roller 24 are vertically distributed on the top of the support rod. The upper feed roller 2 and the lower feed roller 24 are both movably connected to the support rod, and support rods are provided on both sides of the upper feed roller 2 and the lower feed roller 24. When the feeding structure is in use, the support rod limits the raw material for producing the wave spring, and the upper feed roller 2 and the lower feed roller 24 are used in coordination, so that the raw material for producing the wave spring can be moved.

[0024] A feeding motor 7 is fixed to the top of the support rod, and the end of the output shaft of the feeding motor 7 is fixedly connected to the end of the upper feeding roller 2 or the end of the lower feeding roller 24 through a reducer. Through the setting of the feeding motor 7, the rotation of the feeding motor 7 can drive the upper feeding roller 2 or the lower feeding roller 24 fixedly connected thereto to rotate, thereby realizing the transmission of materials.

[0025] The above-mentioned wave-forming mechanism comprises a hydraulic telescopic rod 1 3 and a hydraulic telescopic rod 2 4 fixedly connected to the fixed plate 1, a forming die 5 is fixedly connected to the top of the hydraulic telescopic rod 1 3, and a pressing roller 6 is fixedly connected to the top of the hydraulic telescopic rod 2 4, and the pressing roller 6 is located above the forming die 5. When the wave-forming mechanism is in use, the forming die 5 contacts the bottom of the raw material for producing the wave spring, and the pressing roller 6 presses the raw material under the action of the hydraulic telescopic rod 2 4, so that the raw material is corrugated, and then the pressing roller 6 is separated from the raw material, and the forming die 5 is separated from the raw material under the action of the hydraulic telescopic rod 1 3, so as to facilitate the continued movement of the raw material.

[0026] The above-mentioned spring forming structure includes a limit plate 13 fixedly connected to the fixed plate 1, and an inner limit ring 18 adapted to the inner diameter of the wave spring is fixedly connected to the middle part of the bottom of the limit plate 13, and the outer ring of the limit plate 13 is evenly and movably connected to the forming wheel 15. When the tooling is in use, the raw material of the wave spring moves between the forming wheel 15 and the inner limit ring 18, and the forming wheel 15 limits the production raw material of the wave spring so that the raw material can be wound into a spring.

[0027] The top of the forming wheel 15 is fixedly connected with a driven gear 14, the middle of the top of the limiting plate 13 is fixedly connected with a forming motor 23, the end of the output shaft of the forming motor 23 is fixedly connected with a driving gear 16, and the driving gear 16 is meshed with the driven gear 14. Through the setting of the forming motor 23, the rotation of the forming motor 23 can drive the driving gear 16 fixedly connected thereto to rotate, and the driving gear 16 can drive the forming wheel 15 to rotate through the driven gear 14 meshed therewith, so that the forming wheel 15 can guide and limit the production material of the wave spring.

[0028] A clamping hole 22 is provided in the middle of the bottom of the inner limit ring 18, and the guide rod 17 is clamped in the inner cavity of the clamping hole 22. The clamping arrangement of the guide rod 17 and the inner limit ring 18 facilitates the adjustment of the position of the guide rod 17, and the outer ring of the clamping hole 22 is provided with a circular scale line 19, and a pointer 20 is fixed on the top of the guide rod 17, and the pointer 20 contacts the circular scale line 19. Through the arrangement of the pointer 20 and the circular scale line 19, the user can accurately adjust the deflection angle of the guide rod 17.

[0029] The above-mentioned cutting structure includes a hydraulic telescopic rod three 9 fixedly connected to the limit plate 13, the other end of the hydraulic telescopic rod three 9 is fixedly connected to the fixed rod 10, the bottom end of the fixed rod 10 is movably connected to the cutting wheel, the bottom end of the fixed rod 10 is fixedly connected to the cutting motor 11, the output shaft end of the cutting motor 11 is fixedly connected to the middle part of the cutting wheel, through the setting of the cutting motor 11, the operation of the cutting motor 11 can drive the cutting wheel to rotate; through the setting of the hydraulic telescopic rod three 9, the extension and retraction of the hydraulic telescopic rod three 9 can drive the cutting wheel to move, so that the cutting wheel can cut the production raw materials of the wave spring.

[0030] The cutting wheel comprises a grinding disc 12 movably connected to the fixing rod 10, and a cutter 8 is fixed to the outer ring of the grinding disc 12. Through the setting of the cutting wheel, the cutting wheel can grind the slit during the cutting process, thereby improving the convenience of subsequent processing of the wave spring.

[0031] The limiting plate 13 is provided with a cutting groove adapted to the cutting wheel, and the bottom of the cutting groove away from the cutting wheel is fixedly connected to the limiting block 21, and the middle of the limiting block 21 is fixed with a cutting groove to facilitate cutting.

[0032] The electrical components involved in this application are all prior art, and technicians in this field are familiar with their connection methods. Through these technicians, all the electrical components in this application are connected to their compatible power supplies through wires, and according to the actual situation, a suitable controller is selected to meet the control requirements. The specific connection and control sequence are described below. The electrical connection is completed in a sequential working order, and the detailed connection means are well known in the art. The following mainly introduces the working principle and process, and no further explanation of the electrical control is given.

[0033] To sum up: when the coil spring tooling for processing wave springs is in use, the feeding structure transports the raw materials for the wave spring production, the wave forming mechanism presses the raw materials for the wave spring production, so that corrugations are pressed out of the raw materials for the wave spring production, and the corrugated raw materials are rolled into springs through the spring forming structure. The cutting structure cuts the springs, and during the cutting process, the grinding disc 12 can grind the cut part to improve the production quality of the wave springs.

[0034] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art and will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A coil spring tool for processing a wave spring, comprising a fixing plate (1), characterized in that: The top of the fixed plate (1) is provided with a feeding structure, a corrugated forming mechanism, a cutting structure and a spring forming structure in sequence; the corrugated forming mechanism comprises a hydraulic telescopic rod 1 (3) and a hydraulic telescopic rod 2 (4) fixedly connected to the fixed plate (1); the top of the hydraulic telescopic rod 1 (3) is fixedly connected to a forming mold (5); the top of the hydraulic telescopic rod 2 (4) is fixedly connected to a pressure roller (6), and the pressure roller (6) is located above the forming mold (5); the spring forming structure comprises a limiting plate (13) fixedly connected to the fixed plate (1); the middle part of the bottom of the limiting plate (13) is fixedly connected to An inner limit ring (18) adapted to the inner diameter of the wave spring is connected, a guide rod (17) is clamped at the bottom of the inner limit ring (18), and the outer ring of the limit plate (13) is evenly and movably connected to the forming wheel (15); the cutting structure comprises a hydraulic telescopic rod three (9) fixedly connected to the limit plate (13), the other end of the hydraulic telescopic rod three (9) is fixedly connected to a fixing rod (10), the bottom end of the fixing rod (10) is movably connected to a cutting wheel, and the cutting wheel comprises a grinding disc (12) movably connected to the fixing rod (10), and a cutting knife (8) is fixed to the outer ring of the grinding disc (12).

2. The coil spring tool for processing a wave spring according to claim 1, characterized in that: The feeding structure comprises a support rod fixedly connected to a fixed plate (1), an upper feeding roller (2) and a lower feeding roller (24) being vertically distributed at the top of the support rod, and the upper feeding roller (2) and the lower feeding roller (24) are both movably connected to the support rod.

3. The coil spring tool for processing a wave spring according to claim 2, characterized in that: A feeding motor (7) is fixed to the top end of the support rod, and the end of the output shaft of the feeding motor (7) is fixedly connected to the end of the upper feeding roller (2) or the end of the lower feeding roller (24).

4. The coil spring tool for processing a wave spring according to claim 1, characterized in that: The top of the molding wheel (15) is fixedly connected to a driven gear (14), the middle of the top of the limiting plate (13) is fixedly connected to a molding motor (23), the end of the output shaft of the molding motor (23) is fixedly connected to a driving gear (16), and the driving gear (16) is meshed with the driven gear (14).

5. The coil spring tool for processing a wave spring according to claim 1, characterized in that: The bottom end of the fixing rod (10) is fixedly connected to a cutting motor (11), and the end of the output shaft of the cutting motor (11) is fixedly connected to the middle of the grinding disc (12).

6. The coil spring tool for processing a wave spring according to claim 1, characterized in that: The limiting plate (13) is provided with a cutting groove adapted to the cutting wheel, and the bottom of the cutting groove on a side away from the cutting wheel is fixedly connected to a limiting block (21), and the middle of the limiting block (21) is fixed with a cutting groove.

7. The coil spring tool for processing a wave spring according to claim 1, characterized in that: A clamping hole (22) adapted to the guide rod (17) is provided in the middle of the bottom of the inner limit ring (18), a circular scale line (19) is provided on the outer ring of the clamping hole (22), a pointer (20) is fixed on the top of the guide rod (17), and the pointer (20) contacts the circular scale line (19).

Citation Information

Patent Citations

  • Wave spring forming device

    CN217432908U