Large torsion spring winding equipment
Through the coordinated operation of the transmission component, winding positioning component, and limiting support component, a multi-turn winding device for large torsion springs was realized, solving the problems of path deviation and uneven spacing during the winding process of torsion springs in existing equipment, and achieving high precision and compact structure for large torsion springs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-02-27
- Publication Date
- 2026-04-10
AI Technical Summary
Existing large-scale torsion spring winding equipment is difficult to adapt to the forming requirements of large rectangular cross-section torsion springs, resulting in path deviation, misalignment, and uneven spacing between adjacent coils during the winding process, making it difficult to meet the requirements of high precision and structural compactness.
The transmission component, winding positioning component, and limit support component work together to achieve synchronous displacement of the moving shaft and the limiting shaft, ensuring that the starting end of the torsion spring is fixed, the free end is reliably limited, and the winding trajectory is accurate. Through the combination of gear and belt transmission components, multi-point fixing and support of large torsion springs are achieved, realizing the multi-turn winding process of large torsion springs.
It achieves stable multi-turn winding of large rectangular cross-section torsion springs, avoids deviation, ensures that adjacent coils are close together, reduces wear, adapts to the needs of large mechanical equipment, and improves the accuracy and stability of winding.
Smart Images
Figure CN121820488A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of equipment, specifically to a large-scale torsion spring winding device. Background Technology
[0002] Large torsion springs are widely used in large machinery such as agricultural plows. They mostly adopt a rectangular cross-section structure and need to be wound in multiple turns to meet the strength requirements of the equipment.
[0003] Currently, existing large-scale torsion spring winding equipment has many shortcomings and is difficult to adapt to the forming requirements of large rectangular cross-section torsion springs. Specifically, it cannot adapt to the specific winding direction requirements of large torsion springs, making it difficult to meet the assembly and usage requirements of subsequent equipment. In some conventional winding equipment, the winding path is prone to deviation and misalignment, affecting the winding continuity. Due to the precision limitations of the winding equipment, the spacing between adjacent coils after winding is uneven, resulting in inconsistent forming quality and difficulty in ensuring structural compactness. Therefore, it is difficult to meet the large-scale, high-precision winding requirements of large rectangular cross-section torsion springs. Thus, there is an urgent need for a large-scale torsion spring winding equipment that can solve the above problems. Summary of the Invention
[0004] The purpose of this invention is to provide a large-scale torsion spring winding device. Through the coordinated operation of the transmission component, winding positioning component, and limiting support component, the movable shaft and the limiting shaft are synchronously displaced, which can stably complete the overall axial multi-turn winding of a large rectangular cross-section torsion spring. The starting end of the torsion spring is firmly fixed, the free end is reliably limited, the winding trajectory is accurate, and it can ensure that adjacent coils of the torsion spring are close together, reducing torsion spring wear. The structure is reasonable and the operation is convenient, which is suitable for the forming requirements of torsion springs for large mechanical equipment.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: A large torsion spring winding device includes an operating platform and a torsion spring. The operating platform integrates a transmission component, a winding positioning component, and a limiting support component. The transmission component drives the components of the transmission component to rotate and provides winding power. The torsion spring has a rectangular cross-section structure, with a starting end and a free end at its two ends. The winding positioning component fixes the starting end of the torsion spring and drives the torsion spring to wind. The limiting support component restricts the free end of the torsion spring. The limiting support component and the transmission component cooperate to limit the winding path of the torsion spring during the winding process. The transmission component, the winding positioning component, and the limiting support component work together to wind the large torsion spring multiple times to form a shape.
[0006] Compared with existing technologies, the large-scale torsion spring winding equipment adopting the above technical solution has the following beneficial effects: The large torsion spring winding equipment of the present invention integrates three major components on the operating platform, clarifies the core functions of each component, and achieves coordinated cooperation among the components. It can stably complete the multi-turn winding of large rectangular cross-section torsion springs. By limiting the winding path, it avoids deviation during the winding process of the torsion spring, and provides a stable and reliable foundation for the axial multi-turn winding of the drive shaft. It is suitable for the forming requirements of large torsion springs used in large equipment such as ploughing machines.
[0007] Preferably, the transmission assembly includes a drive base, a drive motor, a drive shaft, a driven shaft, a transmission belt, a drive belt, a driven belt, and a movable shaft. The drive base and drive motor are fixedly mounted on the operating platform. The drive shaft is rotatably mounted on the drive base. The output end of the drive motor is connected to the drive shaft via the transmission belt. The drive shaft is connected to the drive belt via a drive gear. The driven shaft is rotatably positioned below the operating platform and engages with the drive belt. A driven belt is mounted on the driven shaft and is connected to the movable shaft. A limiting seat is provided on the operating platform. The movable shaft is axially rotatably mounted on the limiting seat. The driven belt drives the movable shaft to rotate axially via the driven gear. During winding, the movable shaft is driven to move axially away from the torsion spring. Clearly defining the connection relationships and installation positions of each component of the transmission assembly, the gear and belt transmission ensures stable power transmission from the drive motor, guaranteeing stable rotation of the drive shaft and driving axial displacement of the movable shaft. The limiting seat limits the movable shaft, ensuring a stable displacement trajectory and providing support for the synchronous displacement of the limiting shaft in the following scheme, preventing jamming or deviation during transmission and ensuring continuous and stable winding power.
[0008] Preferably, the winding positioning assembly includes a turntable, a locking seat, and a support block. The turntable is fixedly sleeved and connected to the outer circumferential surface of the drive shaft to abut against the starting end sidewall of the torsion spring. The locking seat is fixedly disposed on the edge of the turntable, and the support block is fixedly disposed on the surface of the turntable at a position corresponding to the lower part of the drive shaft. The locking seat, support block, and drive shaft cooperate to fix and support the starting end of the torsion spring. Through the cooperation of the turntable, locking seat, and support block, multi-point fixation and support of the starting end of the torsion spring are achieved. The turntable can abut against the starting end of the torsion spring for winding action, preventing the starting end from loosening or shifting during winding, ensuring a uniform winding trajectory of the torsion spring, and providing a stable starting positioning foundation for multi-turn axial winding of the torsion spring.
[0009] Preferably, the locking seat extends to the edge of the turntable surface, and a locking groove is provided on the side of the locking seat facing the drive shaft. The locking groove is used to insert the starting end of a torsion spring with a rectangular cross-section. The starting end of the torsion spring rotates with the turntable and the drive shaft and is fixed by the locking seat. The extension structure of the locking seat and the setting of the locking groove are adapted to the structural characteristics of the rectangular cross-section torsion spring, which can accurately insert and fix the starting end of the torsion spring, realize the synchronous rotation of the torsion spring with the turntable and the drive shaft, further improve the fixing reliability of the starting end of the torsion spring, avoid the starting end from slipping or shifting during the winding process, and ensure the winding stability.
[0010] Preferably, the side of the support block facing the drive shaft is a planar support surface. This support surface is flush with the lower sidewall of the locking groove, and the distance between the support surface and the drive shaft is adapted to the thickness of the starting end of the torsion spring. The upper and lower sidewalls of the starting end of the torsion spring are fitted and positioned against the drive shaft and the support surface. The support surface is provided with multiple anti-slip textures or grooves. The flush alignment of the support surface with the locking groove and the appropriate spacing to the torsion spring thickness ensures proper positioning of the starting end of the torsion spring, preventing uneven force distribution. The anti-slip textures or grooves increase the friction between the support surface and the torsion spring, preventing slippage of the starting end during winding, further reinforcing the fixing effect of the starting end, ensuring stability during the winding process, and improving the forming accuracy of the torsion spring.
[0011] Preferably, the limiting support assembly includes a housing, a limiting shaft, a limiting member, and a locking member. The limiting seat is fixedly installed on the operating platform away from the torsion spring. The housing is located outside the limiting seat, and the limiting seat defines the axial displacement path of the movable shaft. The housing has a movable groove for axial displacement of the limiting shaft. The end of the limiting shaft away from the torsion spring contacts the end of the movable shaft. A support rod is vertically arranged at the end of the limiting shaft away from the movable shaft. The limiting member is horizontally arranged at the upper end of the support rod, abutting against the free end sidewall of the torsion spring. The locking member is fixedly arranged at the end of the limiting shaft near the torsion spring and is supported below the free end of the torsion spring. The structure and connection relationship of each component of the limiting support assembly are clearly defined. The movable groove in the housing defines the displacement trajectory of the limiting shaft. The contact between the end of the limiting shaft and the end of the movable shaft allows for synchronous displacement. The support rod supports the limiting shaft. The limiting member and the locking member cooperate to provide double support and limiting for the free end of the torsion spring from the sidewall and below, preventing the free end from shifting or shaking. Together with the transmission assembly, they define the winding path, ensuring stable winding of the torsion spring.
[0012] Preferably, the axial displacement stroke of the movable shaft and the axial movement stroke of the limiting shaft are simultaneous and matched. In the winding state, a force is applied to the torsion spring in the direction of the limiting shaft, or a guide block is provided on the surface of the turntable facing the limiting shaft to guide the torsion spring in the direction of the limiting shaft, so as to drive the torsion spring to wind multiple times in the axial direction of the active shaft. The synchronous and matched displacement of the movable shaft and the limiting shaft ensures that the displacement of the two shafts is coordinated during the winding process. By applying a force or setting a guide block, the torsion spring can be precisely driven to wind multiple times along the axial direction of the active shaft, accurately matching the molding requirements of large torsion springs and improving the rationality of winding and molding quality.
[0013] Preferably, a rolling shaft is rotatably connected to the bottom of the limiting shaft or the bottom of the support rod. The outer wall of the rolling shaft makes rolling contact with the operating platform. A guide groove is provided on the surface of the operating platform corresponding to the movement path of the rolling shaft, and a limiting pattern is provided on the lower side wall of the guide groove. The rolling shaft converts the sliding friction between the limiting shaft (or support rod) and the operating platform into rolling friction, ensuring that the limiting shaft moves along the movement groove of the housing and ensuring the stability of the synchronous displacement of the limiting shaft and the moving shaft. The guide groove, while limiting the movement path of the rolling shaft, increases the degree of restriction and stability of the displacement path of the limiting shaft, and, together with the limiting pattern, increases the frictional resistance between the rolling shaft and the surface of the operating platform, thereby realizing and increasing the stability and accuracy of the displacement action of the limiting shaft.
[0014] Preferably, the locking component is a disc-shaped locking wheel fixedly disposed at the end of the limiting shaft near the torsion spring. The disc-shaped locking wheel adapts to the support requirements of the free end of the torsion spring, providing stable support below the free end. At the same time, the wheel-shaped structure reduces the frictional contact area between the free end of the torsion spring and the locking component, reducing wear on the free end during winding and ensuring the appearance and structural integrity of the torsion spring after molding.
[0015] Preferably, the limiting component adopts a disc-shaped limiting wheel. The limiting wheel and the locking wheel are detachably connected to a wear-resistant sleeve. The limiting wheel of the limiting support assembly cooperates with the locking wheel to provide support and limitation on the side wall and bottom of the free end. The accuracy of the axial displacement of the limiting shaft along the movable groove is adapted to the rotational speed of the drive shaft, so that when the torsion spring is wound in the axial direction of the drive shaft, the two adjacent turns of the torsion spring are in a close or close state. The end of the movable shaft facing the drive seat is provided with a positioning groove, and the positioning groove is provided with an anti-detachment groove at a position away from the limiting shaft. The anti-detachment groove is a disc-shaped groove, and the cross-sectional area of the anti-detachment groove exceeds the cross-sectional area of the positioning groove. The end of the limiting shaft facing the movable shaft is provided with a positioning rod adapted to the positioning groove. The positioning rod is provided with an anti-detachment disc at the end of the anti-detachment groove, and the positioning rod and the anti-detachment disc are detachably connected. The disc-shaped limiting wheel works in conjunction with the positioning wheel to achieve multi-directional limiting of the free end of the torsion spring, further improving the reliability of the limiting. The displacement accuracy of the limiting shaft is adapted to the rotation speed of the drive shaft, which can precisely control the winding rhythm of the torsion spring. This ensures that when the torsion spring is wound along the axial direction of the drive shaft, adjacent coils remain close or adjacent, improving the forming quality and structural compactness of the torsion spring, and meeting the needs of large-scale mechanical equipment. The wear-resistant sleeve design is used to increase the service life and winding stability of the components at the support rod position. At the same time, through the cooperation of the anti-detachment groove and the anti-detachment disc, the anti-detachment disc is driven to move, and the limiting shaft is driven to move through the support rod, playing a cooperating driving role between the ends of the moving shaft and the limiting shaft. The detachable design of the anti-detachment disc and the support rod allows for separate maintenance of the moving shaft or the limiting shaft. Attached Figure Description
[0016] Figure 1This is a schematic diagram of the structure of Embodiment 1 of the large torsion spring winding device of the present invention.
[0017] Figure 2 This is a schematic diagram of the transmission component in Example 1.
[0018] Figure 3 This is a schematic diagram of the limiting support component in Example 1.
[0019] Figure 4 This is a schematic diagram of the winding positioning component in Example 1.
[0020] Figure 5 This is a schematic diagram of the guide groove in Example 2.
[0021] Figure 6 This is a schematic diagram of the cooperation scheme between the movable shaft and the limiting shaft in Example 2.
[0022] Reference numerals: 1. Operating platform; 2. Torsion spring; 20. Starting end; 21. Free end; 3. Transmission assembly; 30. Drive seat; 31. Drive motor; 32. Drive shaft; 320. Drive gear; 33. Driven shaft; 330. Driven gear; 34. Transmission belt; 35. Drive belt; 36. Driven belt; 37. Movable shaft; 38. Limiting seat; 4. Winding positioning assembly; 40. Turntable; 41. Locking seat; 42. Support block; 43. Locking groove; 44. Support surface; 5. Limiting support assembly; 50. Limiting shaft; 51. Limiting wheel; 52. Locking wheel; 53. Support rod; 6. Housing; 7. Rolling shaft; 8. Guide groove; 80. Limiting groove; 9. Positioning groove; 90. Anti-detachment groove; 91. Positioning rod; 92. Anti-detachment disc; 93. Arc-shaped part. Detailed Implementation
[0023] The present invention will now be further described with reference to the accompanying drawings.
[0024] Example 1: like Figures 1 to 4 The large torsion spring 2 winding device shown includes an operating platform 1 and a torsion spring 2. The operating platform 1 is equipped with a transmission component 3, a winding positioning component 4, and a limit support component 5.
[0025] The transmission assembly 3 is used to drive the components of the transmission assembly 3 to operate and provide winding power. The torsion spring 2 adopts a rectangular cross-section structure, and the two ends of the torsion spring 2 are the starting end 20 and the free end 21, respectively. The winding positioning assembly 4 is used to fix the starting end 20 of the torsion spring 2 and drive the torsion spring 2 to wind. The limiting support assembly 5 is used to limit the free end 21 of the torsion spring 2. The limiting support assembly 5 and the transmission assembly 3 cooperate to limit the winding path of the torsion spring 2 during the winding process. The transmission assembly 3, the winding positioning assembly 4 and the limiting support assembly 5 work together to wind the large torsion spring 2 multiple times to form it.
[0026] The transmission assembly 3 includes a drive base 30, a drive motor 31, a drive shaft 32, a driven shaft 33, a transmission belt 34, a drive belt 35, a driven belt 36, and a movable shaft 37.
[0027] The drive base 30 and drive motor 31 are both fixedly mounted on the operating platform 1. The drive shaft 32 is rotatably mounted on the drive base 30. The output end of the drive motor 31 is connected to the drive shaft 32 via a transmission belt 34. The drive shaft 32 is connected to the drive belt 35 via a drive gear 320. The driven shaft 33 is rotatably mounted below the operating platform 1 and is connected to the drive belt 35 via a transmission. A driven belt 36 is mounted on the driven shaft 33. The driven belt 36 is connected to the movable shaft 37 via a transmission. The operating platform 1 is provided with a limiting seat 38. The movable shaft 37 is axially rotatably mounted on the limiting seat 38. The driven belt 36 drives the movable shaft 37 to rotate axially via the driven gear 330. In the winding state, the movable shaft 37 is driven to move away from the torsion spring 2 along the axial direction.
[0028] Regarding the scheme where the driven shaft 33 is rotatably positioned below the operating platform 1 and engages with the drive belt 35, a bracket for mounting the driven shaft 33 is provided below the operating platform 1. The example of the limiting seat 38 in this embodiment is only a partial display of the limiting seat 38, intended to clearly illustrate the relationship between the movable shaft 37, the driven belt 36, and the limiting seat 38.
[0029] The driving belt 35 and driven belt 36 are respectively connected to the two ends of the driven shaft via existing gear transmission. The output end of the drive motor 31 is connected to the driving shaft 32 via a transmission belt 34. Alternatively, the transmission belt 34 can directly rotate the driving shaft 32, or a connecting rod can be provided inside the drive base 30, with the connecting belt and the connecting rod being connected to each other. The connecting rod then drives the driving shaft 32 to rotate via an existing drive belt.
[0030] Regarding the winding positioning component 4, the winding positioning component 4 includes a turntable 40, a locking seat 41, and a support block 42.
[0031] The turntable 40 is fixedly sleeved and connected to the outer circumferential surface of the drive shaft 32 to abut against the side wall of the starting end 20 of the torsion spring 2. The locking seat 41 is fixedly set on the edge of the turntable 40, and the support block 42 is fixedly set on the surface of the turntable 40 at the position corresponding to the lower part of the drive shaft 32. The locking seat 41, the support block 42 and the drive shaft 32 cooperate to fix and support the starting end 20 of the torsion spring 2.
[0032] In order to increase the limiting effect on the starting end 20 of the torsion spring 2, the locking seat 41 extends to the edge of the surface of the turntable 40, and the locking seat 41 has a locking groove 43 on the side facing the drive shaft 32. The locking groove 43 is used to insert the starting end 20 of the torsion spring 2 with a rectangular cross section. The starting end 20 of the torsion spring 2 rotates with the turntable 40 and the drive shaft 32 and is fixed by the locking seat 41.
[0033] To further reinforce the starting end 20 of the torsion spring 2 for stable winding, the side of the support block 42 facing the drive shaft 32 is a flat support surface 44. The support surface 44 is flush with the lower side wall of the locking groove 43, and the distance between the support surface 44 and the drive shaft 32 is adapted to the thickness of the starting end 20 of the torsion spring 2. The upper and lower side walls of the starting end 20 of the torsion spring 2 are fitted and positioned with the drive shaft 32 and the support surface 44. The support surface 44 is provided with multiple anti-slip textures or anti-slip grooves.
[0034] Regarding the limit support assembly 5, the limit support assembly 5 includes a housing 6, a limit shaft 50, a limit member, and a locking member.
[0035] A limiting seat 38 is fixedly installed on the operating platform 1 at a position away from the torsion spring 2. A housing 6 is disposed outside the limiting seat 38. The limiting seat 38 defines the axial displacement path of the movable shaft 37. The housing 6 has a movable groove for the axial displacement of the limiting shaft 50. The end of the limiting shaft 50 away from the torsion spring 2 contacts the end of the movable shaft 37. A support rod 53 is vertically arranged at the end of the limiting shaft 50 away from the movable shaft 37. A limiting member is horizontally arranged at the upper end of the support rod 53, abutting against the side wall of the free end 21 of the torsion spring 2. A locking member is fixedly arranged at the end of the limiting shaft 50 near the torsion spring 2 and supported below the free end 21 of the torsion spring 2. In this embodiment, the movable shaft 37 and the limiting shaft 50 are rod structures of the same specifications, and the ends of the limiting shaft 50 and the movable shaft 37 are coaxially arranged and in contact.
[0036] The axial displacement stroke of the movable shaft 37 is simultaneous with and adapted to the axial movement stroke of the limiting shaft 50. In the winding state, a force is applied to the torsion spring 2 in the direction of the limiting shaft 50, or a guide block is provided on the surface of the turntable 40 facing the limiting shaft 50 for the torsion spring 2 to apply a force in the direction of the limiting shaft 50, so as to drive the torsion spring 2 to wind multiple times in the axial direction of the active shaft 32.
[0037] Considering that part of the limiting shaft 50 is suspended between the housing 6 and the drive seat 30 in this embodiment, in order to simultaneously support the end of the limiting shaft 50 / the bottom of the support rod 53 and achieve stable axial displacement of the limiting shaft 50, a rolling shaft 7 is rotatably connected to the bottom of the limiting shaft 50 or the bottom of the support rod 53, and the outer wall of the rolling shaft 7 is in rolling contact with the operating platform 1.
[0038] In addition, in order to reduce the wear on the free end 21 in this embodiment, the locking member is a disc-shaped locking wheel 52 fixedly disposed at the end of the limiting shaft 50 near the torsion spring 2.
[0039] In addition, the limiting component adopts a disc-shaped limiting wheel 51. The limiting wheel 51 of the limiting support assembly 5 cooperates with the locking wheel 52 to provide support and limit on the side wall and bottom of the free end 21. The accuracy of the axial displacement of the limiting shaft 50 along the movable groove is adapted to the rotation speed of the drive shaft 32 so that when the torsion spring 2 is wound in the axial direction of the drive shaft 32, the two adjacent turns of the torsion spring 2 are in a close or close state.
[0040] During use, firstly, the starting end 20 of the rectangular cross-section torsion spring 2 is inserted into the slot 43 of the locking seat 41, ensuring that the upper and lower sidewalls of the starting end 20 of the torsion spring 2 are respectively in contact with the support surface 44 of the drive shaft 32 and the support block 42. The anti-slip texture or anti-slip groove of the support surface 44 is used to increase the friction and complete the fixing of the starting end 20 of the torsion spring 2. Then, the limiting wheel 51 is made to abut against the sidewall of the free end 21 of the torsion spring 2, and the locking wheel 52 is supported below the free end 21 of the torsion spring 2. Next, the drive motor 31 is started. The drive motor 31 drives the drive shaft 32 to rotate through the transmission belt 34. The drive shaft 32 synchronously drives the turntable 40 and the starting end 20 of the torsion spring 2 to rotate. At the same time, the drive shaft 32 drives the drive belt 35 to rotate through the drive gear 320. The drive belt 35 drives the driven shaft 33 to rotate. The driven shaft 33 drives the driven belt 36 through the driven gear 330. The drive motor 31 operates, thereby driving the movable shaft 37 to move axially away from the torsion spring 2 along the path defined by the limiting seat 38. Simultaneously, the movable shaft 37 drives the limiting shaft 50, which is in contact with its end, to move axially along the movable groove of the housing 6, so that the limiting shaft 50 gradually moves away from the drive seat 30. During the winding process, a slight force is applied to the torsion spring 2 in the direction of the limiting shaft 50, or a force is applied to the guide block set on the surface of the limiting shaft 50 by the turntable 40, so that the torsion spring 2 can be wound multiple times along the axial direction of the drive shaft 32. After the torsion spring 2 has been wound to the preset number of turns, and it is confirmed that the two adjacent turns of the torsion spring 2 are close or touching, the drive motor 31 is turned off, and all components such as the drive shaft 32, movable shaft 37, and limiting shaft 50 stop operating simultaneously. Finally, the large torsion spring 2 is rotated and removed from the drive shaft 32. The above steps can be repeated to perform the winding operation.
[0041] Example 2: like Figure 5 and Figure 6 As shown, the technical content of this embodiment is basically the same as that of Embodiment 1. The difference between this embodiment and Embodiment 1 lies in the following technical points: Regarding the scheme of rolling contact between the outer wall of the rolling shaft 7 and the operating platform 1, in this embodiment, a guide groove 8 is provided on the surface of the operating platform 1 at the position corresponding to the movement path of the rolling shaft 7, and a limiting texture 80 is provided on the lower side wall of the guide groove 8.
[0042] Furthermore, wear-resistant sleeves are detachably connected to the outer sides of the limiting wheel 51 and the locking wheel 52.
[0043] Regarding the movement of the movable shaft 37, the scheme of the limiting shaft 50, which is in contact with the end of the movable shaft 37, moving axially along the movable groove of the housing 6, is not only a synchronous movement space for the displacement of the movable shaft 37, but also a linkage scheme between the movable shaft 37 and the limiting shaft 50.
[0044] A positioning groove 9 is provided at the end of the movable shaft 37 facing the drive seat 30, and an anti-detachment groove 90 is provided at the position of the positioning groove 9 away from the limiting shaft 50. The anti-detachment groove 90 is a disc-shaped groove, and the cross-sectional area of the anti-detachment groove 90 exceeds the cross-sectional area of the positioning groove 9. A positioning rod 91 adapted to the positioning groove 9 is provided at the end of the positioning rod 91 facing the movable shaft 37. An anti-detachment disc 92 is provided at the end of the anti-detachment groove 90. The anti-detachment disc 92 is movably disposed in the anti-detachment groove 90. The positioning rod 91 and the anti-detachment disc 92 are detachably connected (such as by snap-fit, plug-in or fastening structure).
[0045] Furthermore, taking into account the rotational displacement of the movable shaft 37 and the axial displacement of the limiting shaft 50, the anti-detachment disc 92 is provided with an arc-shaped portion 93 or an inclined surface on the side facing the drive seat 30. In this embodiment, the arc-shaped portion 93 structure is adopted, and the positioning groove 9 is provided with an arc-shaped surface adapted to the arc-shaped portion 93 at the position corresponding to the arc-shaped portion 93.
[0046] In this embodiment, when the movable shaft 37 rotates axially, the anti-detachment disc 92 is moved by the cooperation between the anti-detachment groove 90 and the anti-detachment disc 92, and the limiting shaft 50 is moved by the support rod 53. In addition, the driving force of the coiled torsion spring 2 in the above embodiment 1 pushes the support rod 53 / limiting shaft 50 to move, and combined with the guiding and limiting relationship of the guide groove 8 and the limiting groove 80, the requirement and purpose of the movable shaft 37 moving while the limiting shaft 50 is stabilizing the axial displacement are achieved.
[0047] The above description is a preferred embodiment of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the principle of the present invention, and these should also be considered within the scope of protection of the present invention.
Claims
1. A large-scale torsion spring winding device, characterized in that: The device includes an operating platform (1) and a torsion spring (2). The operating platform (1) is equipped with a transmission component (3), a winding positioning component (4), and a limiting support component (5). The transmission component (3) is used to drive the components of the transmission component (3) to rotate and provide winding power. The torsion spring (2) adopts a rectangular cross-section structure, and the two ends of the torsion spring (2) are the starting end (20) and the free end (21), respectively. The winding positioning component (4) is used to fix the starting end (20) of the torsion spring (2) and drive the torsion spring (2) to wind. The limiting support component (5) is used to limit the free end (21) of the torsion spring (2). The limiting support component (5) and the transmission component (3) cooperate to limit the winding path of the torsion spring (2) during the winding process. The transmission component (3), the winding positioning component (4), and the limiting support component (5) work together to wind the large torsion spring (2) multiple times to form a shape.
2. The large-scale torsion spring winding device according to claim 1, characterized in that: The transmission assembly (3) includes a drive base (30), a drive motor (31), a drive shaft (32), a driven shaft (33), a transmission belt (34), a drive belt (35), a driven belt (36), and a movable shaft (37). The drive base (30) and the drive motor (31) are both fixedly mounted on the operating platform (1). The drive shaft (32) is rotatably mounted on the drive base (30). The output end of the drive motor (31) is connected to the drive shaft (32) via the transmission belt (34). The drive shaft (32) is connected to the drive belt (35) via the drive gear (320). The driven shaft (33) is rotatably set below the operating platform (1) and is driven by the drive belt (35). A driven belt (36) is installed on the driven shaft (33). The driven belt (36) is connected to the movable shaft (37). A limiting seat (38) is provided on the operating platform (1). The movable shaft (37) is axially rotated and mounted on the limiting seat (38). The driven belt (36) drives the movable shaft (37) to rotate axially through the driven gear (330). In the winding state, the movable shaft (37) is driven to move away from the torsion spring (2) in the axial direction.
3. The large-scale torsion spring winding device according to claim 1, characterized in that: The winding positioning assembly (4) includes a turntable (40), a locking seat (41), and a support block (42). The turntable (40) is fixedly sleeved and connected to the outer circumferential surface of the drive shaft (32) to abut against the side wall of the starting end (20) of the torsion spring (2). The locking seat (41) is fixedly set on the edge of the turntable (40). The support block (42) is fixedly set on the surface of the turntable (40) at a position corresponding to the lower part of the drive shaft (32). The locking seat (41), the support block (42), and the drive shaft (32) cooperate to fix and support the starting end (20) of the torsion spring (2).
4. The large-scale torsion spring winding device according to claim 3, characterized in that: The locking seat (41) extends to the edge of the surface of the turntable (40), and the locking seat (41) has a locking groove (43) on the side facing the drive shaft (32). The locking groove (43) is used to insert the starting end (20) of the torsion spring (2) with a rectangular cross section. The starting end (20) of the torsion spring (2) rotates with the turntable (40) and the drive shaft (32) and is locked and fixed by the locking seat (41).
5. The large-scale torsion spring winding device according to claim 4, characterized in that: The side of the support block (42) facing the drive shaft (32) is a flat support surface (44). The support surface (44) is flush with the lower side wall of the slot (43). The distance between the support surface (44) and the drive shaft (32) is adapted to the thickness of the starting end (20) of the torsion spring (2). The upper and lower side walls of the starting end (20) of the torsion spring (2) are fitted and positioned with the drive shaft (32) and the support surface (44). The support surface (44) is provided with multiple anti-slip textures or anti-slip grooves.
6. The large-scale torsion spring winding device according to claim 2, characterized in that: The limiting support assembly (5) includes a housing (6), a limiting shaft (50), a limiting member, and a locking member. The limiting seat (38) is fixedly installed on the operating platform (1) at a position away from the torsion spring (2). The housing (6) is located outside the limiting seat (38). The limiting seat (38) defines the axial displacement path of the movable shaft (37). The housing (6) is provided with a movable groove for the axial displacement of the limiting shaft (50). The end of the limiting shaft (50) away from the torsion spring (2) contacts the end of the movable shaft (37). A support rod (53) is vertically arranged at the end of the limiting shaft (50) away from the movable shaft (37). The limiting member is horizontally arranged at the upper end of the support rod (53) and abuts against the side wall of the free end (21) of the torsion spring (2). The locking member is fixedly arranged at the end of the limiting shaft (50) near the torsion spring (2) and the locking member is supported below the free end (21) of the torsion spring (2).
7. The large-scale torsion spring winding device according to claim 6, characterized in that: The axial displacement stroke of the active shaft (37) is simultaneous and adapted to the axial movement stroke of the limiting shaft (50). In the winding state, the torsion spring (2) is applied in the direction of the limiting shaft (50) or the surface of the turntable (40) facing the limiting shaft (50) is provided with a guide block for the torsion spring (2) to apply force in the direction of the limiting shaft (50) so as to drive the torsion spring (2) to wind multiple times in the axial direction of the active shaft (32).
8. The large-scale torsion spring winding device according to claim 6, characterized in that: A rolling shaft (7) is rotatably connected to the bottom of the limiting shaft (50) or the bottom of the support rod (53). The outer wall of the rolling shaft (7) is in rolling contact with the operating platform (1). A guide groove (8) is provided on the surface of the operating platform (1) corresponding to the movement path of the rolling shaft (7), and a limiting pattern (80) is provided on the lower side wall of the guide groove (8).
9. The large-scale torsion spring winding device according to claim 6, characterized in that: The locking component is a disc-shaped locking wheel (52) fixedly installed at the end of the limiting shaft (50) near the torsion spring (2).
10. The large-scale torsion spring winding device according to claim 9, characterized in that: The limiting component adopts a disc-shaped limiting wheel (51). The limiting wheel (51) and the locking wheel (52) are detachably connected to a wear-resistant sleeve on their outer sides. The limiting wheel (51) of the limiting support assembly (5) cooperates with the locking wheel (52) to provide support and limitation on the side wall and bottom of the free end (21). The accuracy of the axial displacement of the limiting shaft (50) along the movable groove is adapted to the rotational speed of the active shaft (32) so that when the torsion spring (2) is wound in the axial direction of the active shaft (32), the two adjacent turns of the torsion spring (2) are in a close or adjacent state; the movable shaft ( 37) A positioning groove (9) is provided at the end facing the drive seat (30), and an anti-detachment groove (90) is provided at the position of the positioning groove (9) away from the limiting shaft (50). The anti-detachment groove (90) is a disc-shaped groove, and the cross-sectional area of the anti-detachment groove (90) exceeds the cross-sectional area of the positioning groove (9). The end of the limiting shaft (50) facing the movable shaft (37) is provided with a positioning rod (91) adapted to the positioning groove (9). The positioning rod (91) is provided with an anti-detachment disc (92) at the end of the anti-detachment groove (90). The positioning rod (91) and the anti-detachment disc (92) are detachably connected.