Spring forming clamp and spring forming equipment
By designing fixtures and equipment for spring forming, the ultimate compression of spring parts is achieved through the relative movement of the fixing module and the compression module, the problem of unstable spring parts structure and elastic coefficient is solved, the elastic difference is reduced, and the medical device is ensured. Product quality.
Patent Information
- Application Number
- CN202421169011.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-24
AI Technical Summary
In the production of medical devices, the length difference of spring parts can be solved by grinding, but the instability of its structure and elastic coefficient leads to differences in elasticity, affecting product quality.
Design a spring forming fixture, including a fixed module, a compression module, a guide module and a loading module. Through the relative movement of the fixed module and the compression module, the two ends of the spring parts are abutted against the module, thereby achieving extreme compression and stabilizing the structure of the spring and Elasticity coefficient.
Through extreme compression, the structure and elastic coefficient of spring parts tend to stabilize, reducing the elastic difference between multiple spring parts, and ensuring the quality of medical device products.
Smart Images
Figure CN222268548U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of spring forming equipment, and in particular to a spring forming fixture and a spring forming equipment. Background Art
[0002] In the field of production and assembly of medical devices (such as dental mobile phones), springs are one of the commonly used precision parts. The production and assembly quality of springs will directly / indirectly affect the product quality of medical devices.
[0003] In the prior art, after the batch processing and production of springs is completed, there are differences in the lengths of multiple springs. In order to improve the production and assembly quality of the springs and the product quality of the medical device, it is necessary to use grinding equipment to grind both ends of the springs so that the multiple springs are all polished to a uniform predetermined length, thereby reducing the length differences between the multiple springs and improving the product quality of the medical device.
[0004] However, after the spring is processed and manufactured, the structure and elastic coefficient k of the spring are not stable, and the elastic coefficient k between multiple springs may also be different. If only the length difference between multiple springs is controlled without controlling the elastic coefficient difference, at the same elongation / compression amount x, according to F=kx, the elastic force F generated between multiple springs will be different, thus affecting the product quality of the medical device. Utility Model Content
[0005] In order to stabilize the structure and elastic coefficient k of a spring part and reduce the difference in elastic force F between multiple spring parts, the present application provides a spring forming fixture and a spring forming device.
[0006] On the one hand, the present application provides a spring forming fixture, including a fixing module, a compression module, a guide module and a loading module; the guide module is arranged between the fixing module and the compression module, and is used to guide the fixing module and the compression module to move closer or farther relative to each other; the loading module is arranged on the side of the fixing module facing the compression module, and is used to load spring parts; and during the process of relative movement of the fixing module and the compression module, both ends of the spring parts respectively abut against the fixing module and the compression module.
[0007] Optionally, the loading module includes a sliding rod, the sliding rod is fixedly arranged on the fixing module, and the compression module is provided with an avoidance hole slidably adapted to the sliding rod; the spring part is slidably sleeved on the sliding rod.
[0008] Optionally, the loading module further comprises an anti-expansion sleeve, the anti-expansion sleeve is slidably sleeved on the sliding rod, and the anti-expansion sleeve is slidably sleeved on the spring part.
[0009] Optionally, the sliding rods are provided in multiple groups, and the multiple groups of sliding rods are arranged in an array.
[0010] Optionally, the compression module is fixedly provided with a boss corresponding to the position of the avoidance hole.
[0011] Optionally, the guide module includes a guide column, which is fixed to the fixing module, and the compression module is provided with a guide hole that is slidably matched with the guide column.
[0012] Optionally, two groups of guide posts are provided, and the two groups of guide posts are respectively arranged at diagonal positions of the fixed module.
[0013] Optionally, a guide angle is provided at one end of the guide column away from the fixing module.
[0014] On the other hand, the present application provides a spring forming device, including a spring forming fixture and a punch press, wherein an output end of the punch press abuts against a compression module.
[0015] In summary, this application at least includes the following beneficial technical effects:
[0016] During the relative movement of the fixing module and the compression module, the two ends of the spring part respectively abut against the fixing module and the compression module, so that the fixing module and the compression module perform extreme compression on the spring part, thereby stabilizing the structure and elastic coefficient k of the spring part, thereby reducing the difference in elastic force F between multiple spring parts and ensuring the product quality of the medical device. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the spring forming equipment in this application.
[0018] Figure 2 It is a schematic diagram of the overall structure of the spring forming fixture in this application.
[0019] Figure 3 is a cross-sectional view of the spring forming fixture in this application.
[0020] Figure 4 yes Figure 3 A is an enlarged view of the middle image.
[0021] Figure 5 It is a first exploded structural schematic diagram of the spring forming fixture in this application.
[0022] Figure 6 It is a second exploded structural schematic diagram of the spring forming fixture in this application.
[0023] Explanation of the accompanying drawings: 1. Fixing module; 2. Compression module; 3. Guide module; 31. Guide column; 4. Loading module; 41. Sliding rod; 42. Anti-expansion sleeve; 5. Avoidance hole; 6. Boss; 7. Guide hole; 8. Guide angle; 9. Punch; 10. Spring part. DETAILED DESCRIPTION
[0024] The following is combined with Figure 1-6 This application is described in further detail.
[0025] The present application discloses a spring forming fixture.
[0026] Reference Figure 2-6 The spring forming fixture includes a fixing module 1, a compression module 2, a guide module 3 and a loading module 4; wherein the fixing module 1 and the compression module 2 are both rectangular metal plate structures, the fixing module 1 and the compression module 2 are arranged in parallel and spaced apart from each other, and the outline sizes of the fixing module 1 and the compression module 2 are similar; the guide module 3 is arranged between the fixing module 1 and the compression module 2, and is used to guide the fixing module 1 and the compression module 2 to move closer or farther relative to each other; the loading module 4 is arranged on the side of the fixing module 1 facing the compression module 2, and is used to load the spring part 10, and in the process of the fixing module 1 and the compression module 2 moving closer relative to each other, the two ends of the spring part 10 are respectively abutted against the fixing module 1 and the compression module 2, so that the fixing module 1 and the compression module 2 perform extreme compression on the spring part 10, so that the structure and the elastic coefficient k of the spring part 10 tend to be stable, thereby reducing the difference in elastic force F between multiple spring parts 10 and ensuring the product quality of the medical device.
[0027] The guide module 3 specifically includes two groups of guide columns 31, which are cylindrical structures. The guide columns 31 are vertically fixed to the fixed module 1, and the two groups of guide columns 31 are respectively arranged at the diagonal positions of the fixed module 1; the compression module 2 is penetrated by two groups of guide holes 7, and the two groups of guide holes 7 are respectively arranged at the diagonal positions of the compression module 2, and the two groups of guide holes 7 are respectively slidably matched with the two groups of guide columns 31; during installation, the guiding effect of the guide columns 31 and the guide holes 7 can realize guiding the relative movement of the fixed module 1 and the compression module 2 to move closer or farther.
[0028] In this embodiment, a guide angle 8 is provided at one end of the guide column 31 away from the fixing module 1. The provision of the guide angle 8 can facilitate the re-docking of the guide column 31 and the guide hole 7 after separation, thereby improving the use efficiency.
[0029] The loading module 4 specifically includes a plurality of sliding rods 41 and a plurality of anti-expansion sleeves 42. The sliding rods 41 are slender round rod structures. The plurality of sliding rods 41 are evenly fixedly arranged on the fixing module 1, and the plurality of sliding rods 41 are arranged in a rectangular array. The compression module 2 is provided with a plurality of avoidance holes 5, which are also arranged in a rectangular array, and the plurality of avoidance holes 5 are respectively slidably matched with the plurality of sliding rods 41. In addition, the size of the sliding rod 41 is matched with the spring part 10, so that the spring part 10 can be slidably sleeved on the sliding rod 41. The anti-expansion sleeve 42 is a cylindrical structure, and the top size of the anti-expansion sleeve 42 is large. The size of the anti-expansion sleeve 42 is adapted to the inner diameter of the spring part 10, so that the top of the anti-expansion sleeve 42 can be slidably mounted on the sliding rod 41, and the size below the top of the anti-expansion sleeve 42 is adapted to the outer diameter of the spring part 10, so that the top of the anti-expansion sleeve 42 can be slidably mounted on the spring part 10; during installation, the spring part 10 and the anti-expansion sleeve 42 are slidably mounted on the sliding rod 41 in turn, and the anti-expansion sleeve 42 surrounds the spring part 10. During the relative movement and approach of the fixing module 1 and the compression module 2, the two ends of the spring part 10 can respectively abut against the fixing module 1 (direct contact) and the compression module 2 (indirect contact).
[0030] In this embodiment, a boss 6 is fixedly provided at the compression module 2 corresponding to the position of the avoidance hole 5 , and during the relative movement of the fixing module 1 and the compression module 2 , the boss 6 contacts the anti-expansion sleeve 42 .
[0031] Implementation principle:
[0032] S1, slidingly sleeve a plurality of spring parts 10 on a plurality of sets of sliding rods 41 respectively;
[0033] S2, slidingly sleeve the plurality of anti-expansion sleeves 42 on the plurality of sliding rods 41, and the plurality of anti-expansion sleeves 42 surround the plurality of spring parts 10;
[0034] S3, the fixing module 1 and the compression module 2 are relatively moved closer by the guiding action of the guide column 31 and the guide hole 7, and at this time, the multiple groups of avoidance holes 5 are respectively slidably arranged on the multiple groups of sliding rods 41;
[0035] S4, applying pressure to the compression module 2 through an external stamping device, so that the fixing module 1 and the compression module 2 move closer to each other, and the two ends of the spring part 10 respectively abut against the fixing module 1 (direct contact) and the compression module 2 (indirect contact);
[0036] S5. Remove the pressure applied to the compression module 2 by the external stamping equipment, and remove the compression module 2, the anti-expansion sleeve 42, and the spring part 10 in turn to complete the shaping of the spring part 10, so that the structure and the elastic coefficient k of the spring part 10 tend to be stable. Then, use the grinding equipment to grind the two ends of the spring before assembling, so as to improve the product quality of the medical device.
[0037] The application also discloses a spring forming device.
[0038] Reference Figure 1-2 The spring forming equipment includes a spring forming fixture and a punch press 9; wherein the punch press 9 is a hand-operated punch press 9, and a punch rod is fixedly provided at the output end of the punch press 9. The punch rod moves downward and directly acts on the center position of the compression module 2, thereby applying pressure to the compression module 2.
[0039] The embodiments of this specific implementation method are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, all equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A spring forming fixture, characterized in that: The invention comprises a fixing module (1), a compression module (2), a guide module (3) and a loading module (4); the guide module (3) is arranged between the fixing module (1) and the compression module (2) and is used to guide the fixing module (1) and the compression module (2) to move closer or farther relative to each other; the loading module (4) is arranged on the side of the fixing module (1) facing the compression module (2) and is used to load a spring part (10); and during the process of the fixing module (1) and the compression module (2) moving closer relative to each other, two ends of the spring part (10) respectively abut against the fixing module (1) and the compression module (2).
2. A spring forming fixture according to claim 1, characterized in that: The loading module (4) comprises a sliding rod (41) which is fixedly arranged on the fixing module (1); the compression module (2) is provided with an avoidance hole (5) which is slidably matched with the sliding rod (41); and the spring part (10) is slidably sleeved on the sliding rod (41).
3. A spring forming fixture according to claim 2, characterized in that: The loading module (4) further comprises an anti-expansion sleeve (42), wherein the anti-expansion sleeve (42) is slidably sleeved on the sliding rod (41), and the anti-expansion sleeve (42) is slidably sleeved on the spring part (10).
4. A spring forming fixture according to claim 2, characterized in that: The sliding rods (41) are provided in multiple groups, and the multiple groups of sliding rods (41) are arranged in an array.
5. A spring forming fixture according to claim 2, characterized in that: The compression module (2) is fixedly provided with a boss (6) at a position corresponding to the avoidance hole (5).
6. A spring forming fixture according to claim 1, characterized in that: The guide module (3) comprises a guide column (31), wherein the guide column (31) is fixedly arranged on the fixing module (1), and the compression module (2) is provided with a guide hole (7) slidably matched with the guide column (31).
7. A spring forming fixture according to claim 6, characterized in that: The guide posts (31) are provided in two groups, and the two groups of guide posts (31) are respectively arranged at diagonal positions of the fixed module (1).
8. A spring forming fixture according to claim 6, characterized in that: The guide column (31) is provided with a guide angle (8) at one end away from the fixing module (1).
9. A spring forming device, comprising a spring forming fixture according to any one of claims 1 to 8, characterized in that: It also comprises a punch press (9), the output end of the punch press (9) being in contact with the compression module (2).