Thickness adjusting mechanism for hairspring processing

Abstract

The utility model relates to a thickness adjusting mechanism for hairspring machining, and relates to the technical field of hairspring machining, the thickness adjusting mechanism comprises a rack, the rack is used for supporting the thickness adjusting mechanism, an unwinding roller and a winding roller are rotatably installed on the rack, the unwinding roller unwinds a hairspring, and the winding roller winds the hairspring; the back-up roll and the extrusion roll are rotatably installed on the rack, and a hairspring penetrates through the space between the back-up roll and the extrusion roll; and the adjusting assembly is installed on the machine frame, and the adjusting assembly is used for adjusting the extrusion roller. The hairspring can be pressed into a flat shape, and the hairspring can be machined into the specified thickness according to the design in the machining process of the hairspring, so that the hairspring can be normally used.

Description

Technical Field

[0001] This application relates to the field of hairspring machining technology, and in particular to a thickness adjustment mechanism for hairspring machining. Background Technology

[0002] Currently, the hairspring is a precision mechanical component made of extremely fine metal wire in a spiral shape. In clocks, it works with the balance wheel to control the timekeeping rhythm; in measuring instruments, it generates elastic reaction torque to measure electrical parameters; in automotive safety systems, it connects the main airbag to the airbag wiring harness; in the aerospace field, it stabilizes the gyroscope rotor; and in the field of precision manufacturing, it controls the speed and stability of moving parts.

[0003] In existing technologies, flat hairsprings are required for various applications. A flat hairspring is a design different from a traditional round hairspring, as its cross-section is flat. Compared to a conventional round hairspring, a flat hairspring can provide more stable and uniform elastic force, especially in precision timing and high-frequency oscillators, improving their stability and accuracy.

[0004] Regarding the aforementioned technologies, the inventors believe that during the manufacturing process of flat hairsprings, the hairsprings need to be processed into different thicknesses according to the design. If the thickness of the hairspring does not meet the design requirements, it will affect the normal use of the hairspring. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a thickness adjustment mechanism for hairspring processing, which solves the technical problem that if the thickness of the hairspring does not meet the design requirements during the processing, it will affect the normal use of the hairspring.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A thickness adjustment mechanism for hairspring machining includes: a frame for supporting the thickness adjustment mechanism, an unwinding roller and a winding roller rotatably mounted on the frame, the unwinding roller unwinding the hairspring and the winding roller winding the hairspring; a support roller and a pressure roller rotatably mounted on the frame, the hairspring passing between the support roller and the pressure roller; and an adjustment assembly mounted on the frame for adjusting the pressure roller.

[0008] Furthermore, the adjustment assembly includes a support frame, a support roller rotatably mounted on the support frame, a slider disposed on the support frame, and a squeeze roller rotatably mounted on the slider; an adjustment cylinder is disposed on the support frame, and the piston rod of the adjustment cylinder is connected to the slider.

[0009] Furthermore, a positioning cylinder is provided on the support frame. The positioning cylinder is mounted on the support frame, and a positioning block is provided at one end of the piston rod of the positioning cylinder. The positioning block abuts against the slider.

[0010] Furthermore, a guide plate is provided on one side of the support frame, and a guide groove is provided on the guide plate, the guide groove facing between the support roller and the extrusion roller.

[0011] Furthermore, a rotating shaft is mounted on the frame, the take-up roller is mounted on the rotating shaft, and a drive motor is provided on the frame to drive the rotating shaft to rotate.

[0012] Furthermore, an adjusting shaft is provided on the rotating shaft, the rotating shaft is rotatably mounted on the adjusting shaft, an adjusting motor is provided on one side of the frame, an adjusting gear is installed on the adjusting cylinder, and a plurality of adjusting rings are spaced apart on the adjusting shaft, the adjusting gear meshing with the adjusting rings.

[0013] Furthermore, a guide wheel is rotatably mounted on one side of the take-up roller, the guide wheel is arranged parallel to and spaced apart from the take-up roller, and a sensor is provided on one side of the guide wheel, the sensor facing the side closer to the guide wheel.

[0014] In summary, this application includes at least one of the following beneficial technical effects of a thickness adjustment mechanism for hairspring machining:

[0015] 1. The hairspring to be processed is wound onto the unwinding roller, and then one end of the hairspring is passed between the support roller and the extrusion roller. Then, the other end of the hairspring is wound onto the take-up roller. During use, the adjustment component adjusts the gap between the extrusion roller and the support roller. When the gap between the support roller and the extrusion roller is adjusted to the specified gap, the hairspring continuously passes between the support roller and the extrusion roller, so that the hairspring can be pressed into a flat shape. During the processing, the hairspring can be processed into a specified thickness according to the design, so that the hairspring can be used normally.

[0016] 2. The extrusion roller on the slider is adjusted by adjusting the cylinder, and then the positioning cylinder positions the slider by positioning block, thereby improving the stability of the position between the support roller and the extrusion roller;

[0017] 3. By adjusting the settings of the drive motor and the regulating motor, the spiral wire can be evenly wound on the take-up roller during rotation. Attached Figure Description

[0018] Figure 1 This application mainly provides a schematic diagram of the overall structure of a thickness adjustment mechanism for hairspring processing;

[0019] Figure 2 This is a schematic diagram of the unwinding roller structure mainly provided in this application;

[0020] Figure 3 This is a sectional view of the main adjusting shaft structure provided in this application;

[0021] Figure 4 This is an exploded view of the support frame structure, which is the main feature of this application.

[0022] Figure 5 yes Figure 4 An enlarged schematic diagram of part A.

[0023] Reference numerals: 1. Frame; 11. Unwinding roller; 12. Rewinding roller; 2. Support roller; 21. Extrusion roller; 3. Drive box; 31. Rotating shaft; 311. Drive motor; 312. Rotating ring; 32. First drive disc; 321. Second drive disc; 322. Conveyor belt; 33. Adjusting shaft; 331. Rotating groove; 332. Adjusting ring; 34. Adjusting motor; 341. Adjusting gear; 35. Connecting rod; 351. Guide wheel; 352. Sensor; 353. Baffle; 4. Adjusting assembly; 41. Support frame; 411. Slide groove; 42. Slider; 43. Adjusting cylinder; 44. Positioning cylinder; 441. Positioning block; 45. Guide plate; 451. Guide groove; 452. Guide arc surface. Detailed Implementation

[0024] In order to make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0026] This application discloses a thickness adjustment mechanism for hairspring machining.

[0027] Reference Figure 1 A thickness adjustment mechanism for hairspring machining includes a frame 1, on which an unwinding roller 11 and a take-up roller 12 are mounted. The hairspring to be processed is wound on the unwinding roller 11. A support roller 2 and a pressure roller 21 are mounted on the frame 1. The hairspring on the unwinding roller 11 passes between the support roller 2 and the pressure roller 21 and is then wound onto the take-up roller 12. An adjustment assembly 4 is mounted on the frame 1 to adjust the distance between the support roller 2 and the pressure roller 21.

[0028] The unwinding roller 11 is rotatably mounted on the frame 1. The hairspring on the unwinding roller 11 passes between the support roller 2 and the extrusion roller 21 and is then wound around the take-up roller 12.

[0029] Reference Figure 2A drive box 3 is installed on the frame 1. The drive box 3 is mounted on the frame 1 and has a rotating shaft 31. The rotating shaft 31 is horizontally positioned and rotatably mounted on the drive box 3. In use, a take-up roller 12 is mounted on the rotating shaft 31. As the rotating shaft 31 rotates, the take-up roller 12 winds up the processed hairspring.

[0030] To improve the ease of rotation of the rotating shaft 31, a drive motor 311 is provided on the side of the frame 1 near the drive box 3. A first drive disk 32 is mounted on the rotating shaft 31, and a second drive disk 321 is mounted on the drive motor 311. A conveyor belt 322 is provided between the first drive disk 32 and the second drive disk 321. The conveyor belt 322 is sleeved on the first drive disk 32 and the second drive disk 321. In use, the drive motor 311 drives the first drive disk 32 to rotate. The first drive disk 32 drives the second drive disk 321 to rotate through the conveyor belt 322. While the second drive disk 321 rotates, the rotating shaft 31 rotates, thereby enabling the hairspring to be continuously wound up.

[0031] Reference Figures 2-3 Furthermore, to ensure the hairspring is evenly wound on the take-up roller 12, the drive box 3 is equipped with an adjusting shaft 33, through which a rotating shaft 31 passes. A rotating ring 312 is mounted on the rotating shaft 31, and a rotating groove 331 is formed within the adjusting shaft 33. The rotating ring 312 is rotatably mounted within the rotating groove 331 of the adjusting shaft 33. Additionally, an adjusting ring 332 is mounted on the adjusting shaft 33, with its axis coaxial with the adjusting shaft 33, and the adjusting ring 332 and the adjusting shaft 33 are integrally formed.

[0032] Reference Figure 3 An adjusting motor 34 is mounted on the drive box 3, and the axis of the output shaft of the adjusting motor 34 is perpendicular to the axis of the adjusting shaft 33. Furthermore, an adjusting gear 341 is mounted on the output shaft of the adjusting motor 34, and the adjusting gear 341 meshes with an adjusting ring 332 on the adjusting shaft 33. In use, the adjusting motor 34 drives the adjusting gear 341 to rotate. As the adjusting gear 341 rotates forward or backward, the adjusting shaft 33 drives the rotating shaft 31 to reciprocate along the axial direction, thereby ensuring that the hairspring is evenly wound onto the take-up roller 12.

[0033] If the hairspring breaks while the take-up roller 12 is winding it, the operator needs to rewind it onto the take-up roller 12 immediately. To facilitate this, a connecting rod 35 is provided on the drive box 3. The connecting rod 35 is mounted on the drive box 3. Furthermore, a guide wheel 351 is rotatably mounted on the connecting rod 35. Additionally, a sensor 352 is provided on the connecting rod 35, and a baffle 353 is provided on the guide wheel 351. In use, the hairspring on the unwind roller 11 passes over the compression roller 21 and then over the guide wheel 351 before being wound onto the take-up roller 12. As the hairspring is continuously wound, the guide wheel 351 rotates accordingly. When the baffle 353 on the guide wheel 351 contacts the sensor 352, the drive motor 311 normally drives the rotating shaft 31 to rotate. When in use, the start time of sensor 352 is set to two seconds. When the baffle 353 on guide wheel 351 does not contact sensor 352 for two seconds, drive motor 311 stops working. Drive motor 311 is restarted when the operator winds the hairspring onto take-up roller 12.

[0034] Reference Figure 4 The adjusting assembly 4 includes a support frame 41 located on the side of the frame 1 near the unwinding roller 11. Two support frames 41 are spaced apart, with the support roller 2 and the pressure roller 21 located between the two support frames 41, and the support roller 2 and the pressure roller 21 are arranged parallel to each other. The support roller 2 is rotatably mounted on the support frame 41. Each of the two support frames 41 has a sliding groove 411, and a slider 42 is slidably installed in each of the sliding grooves 411. The pressure roller 21 is rotatably mounted between the two sliders 42. Furthermore, each of the two support frames 41 is provided with an adjusting cylinder 43. The adjusting cylinder 43 is vertically arranged, and one end of the piston rod of the adjusting cylinder 43 is connected to the slider 42. In use, the adjusting cylinder 43 drives the pressure roller 21 to move closer to or further away from the support roller 2, thereby allowing the support roller 2 and the pressure roller 21 to change the hairspring thickness according to different design requirements.

[0035] To further improve the stability of the extrusion roller 21 on the support frame 41, a positioning cylinder 44 is provided on the support frame 41. The positioning cylinder 44 is horizontally mounted on the support frame 41, with one end of the piston rod of the positioning cylinder 44 facing the side closer to the slider 42. A positioning block 441 is provided at one end of the piston rod of the positioning cylinder 44. When the slider 42 moves to the designated position, the positioning cylinder 44 drives the positioning block 441 to press against the slider 42, thereby preventing the distance between the extrusion roller 21 and the support roller 2 from changing during use.

[0036] Reference Figures 4-5Furthermore, the hairspring is released through the unwinding roller 11. During the release process, the released portion of the hairspring on the unwinding roller 11 changes along the axial direction of the unwinding roller 11. If the position of the hairspring passing through the support roller 2 and the pressure roller 21 changes, it will cause a deviation in the processed thickness of the hairspring. Therefore, guide plates 45 are provided on the side of the two support frames 41 near the unwinding roller 11, and the two ends of the guide plates 45 are connected to the support frames 41 on both sides. In addition, guide grooves 451 are provided on the guide plates 45, with the guide grooves 451 facing the support roller 2 and the pressure roller 21. In use, the hairspring passes through the guide grooves 451, and one end of the hairspring passing through the guide grooves 451 passes through the support roller 2 and the pressure roller 21. By guiding the hairspring through the guide grooves 451, the significant positional deviation of the hairspring during the unwinding process can be reduced.

[0037] Reference Figure 5 The guide plate 45 has a guide arc surface 452 formed on the side near the guide groove 451, and the arc-shaped opening of the guide arc surface 452 faces the side near the unwinding roller 11. In use, the guide arc surface 452 guides the hairspring to prevent it from breaking when passing through the guide groove 451 of the guide plate 45.

[0038] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A thickness adjustment mechanism for hairspring machining, characterized in that, include: A frame (1) is used to support a thickness adjustment mechanism. An unwinding roller (11) and a winding roller (12) are rotatably mounted on the frame (1). The unwinding roller (11) unwinds the hairspring, and the winding roller (12) winds the hairspring. A support roller (2) and a squeeze roller (21) are rotatably mounted on the frame (1), and a hairspring passes between the support roller (2) and the squeeze roller (21). An adjustment component (4) is mounted on the frame (1) and adjusts the extrusion roller (21).

2. The thickness adjustment mechanism for hairspring machining according to claim 1, characterized in that, The adjustment assembly (4) includes a support frame (41), a support roller (2) is rotatably mounted on the support frame (41), a slider (42) is provided on the support frame (41), and a squeezing roller (21) is rotatably mounted on the slider (42); an adjustment cylinder (43) is provided on the support frame (41), and the piston rod of the adjustment cylinder (43) is connected to the slider (42).

3. The thickness adjustment mechanism for hairspring machining according to claim 2, characterized in that, A positioning cylinder (44) is provided on the support frame (41). The positioning cylinder (44) is installed on the support frame (41). A positioning block (441) is provided at one end of the piston rod of the positioning cylinder (44). The positioning block (441) abuts against the slider (42).

4. The thickness adjustment mechanism for hairspring machining according to claim 2, characterized in that, A guide plate (45) is provided on one side of the support frame (41), and a guide groove (451) is provided on the guide plate (45), which faces the space between the support roller (2) and the extrusion roller (21).

5. A thickness adjustment mechanism for hairspring machining according to claim 2, characterized in that, A rotating shaft (31) is mounted on the frame (1), and a take-up roller (12) is mounted on the rotating shaft (31). A drive motor (311) is provided on the frame (1), and the drive motor (311) drives the rotating shaft (31) to rotate.

6. The thickness adjustment mechanism for hairspring machining according to claim 5, characterized in that, An adjusting shaft (33) is provided on the rotating shaft (31), and the rotating shaft (31) is rotatably mounted on the adjusting shaft (33). An adjusting motor (34) is provided on one side of the frame (1), and an adjusting gear (341) is installed on the adjusting cylinder (43). Several adjusting rings (332) are spaced apart on the adjusting shaft (33), and the adjusting gear (341) meshes with the adjusting rings (332).

7. The thickness adjustment mechanism for hairspring machining according to claim 1, characterized in that, A guide wheel (351) is rotatably mounted on one side of the take-up roller (12). The guide wheel (351) is arranged parallel to the take-up roller (12) at intervals. A sensor (352) is provided on one side of the guide wheel (351). The sensor (352) faces the side closer to the guide wheel (351).

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