A synchronous rack clamping mechanism
The synchronous rack and pinion clamping mechanism uses a motor to drive a synchronous pulley and a synchronous belt to achieve synchronous clamping on both sides. The clamping force is adjusted by adjusting bolts and springs, and the centering sensor and indicator light ensure accurate centering. This solves the problems of uneven clamping force and inaccurate centering in existing rack and pinion clamping mechanisms, and improves the machining or assembly accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUXI AMCLING INTELLIGENT TECH CO LTD
- Filing Date
- 2025-06-19
- Publication Date
- 2026-06-02
AI Technical Summary
Existing rack clamping mechanisms suffer from uneven clamping force, inaccurate alignment, and complex operation, leading to rack deformation or clamping failure, which affects machining or assembly accuracy.
Design a synchronous rack and pinion clamping mechanism, including a clamping base, a clamping assembly, a drive assembly, and a centering assembly. The synchronous pulley is driven by a motor to drive the synchronous belt, so as to achieve synchronous clamping on both sides. An adjusting bolt and a spring are provided to adjust the clamping force. A centering sensor and an indicator light are used to ensure accurate centering.
It achieves simultaneous clamping on both sides, ensuring consistent clamping force, preventing rack deformation, improving machining or assembly accuracy, and simplifying the operation process.
Smart Images

Figure CN224310468U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mechanical clamping technology, and in particular to a synchronous rack and pinion clamping mechanism, which is especially suitable for occasions that require simultaneous clamping from both sides, consistent clamping force and accurate centering. Background Technology
[0002] In machining and assembly processes, racks, as important transmission components, often need to be clamped and fixed to ensure machining accuracy or assembly quality.
[0003] Existing rack clamping mechanisms typically employ single-sided or asynchronous clamping methods, which present the following problems: uneven clamping force, which can easily lead to rack deformation or clamping failure; inaccurate rack alignment during clamping, affecting subsequent processing or assembly accuracy; and complex operation, making it impossible to achieve fast and stable clamping. Therefore, we need to upgrade and modify existing technologies to overcome these problems and shortcomings. Utility Model Content
[0004] The purpose of this invention is to provide a synchronous rack and pinion clamping mechanism to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] Design a synchronous rack clamping mechanism, including a clamping base, a clamping assembly, a driving assembly, and a centering assembly. The clamping assembly is disposed on the clamping base, the driving assembly is disposed at the bottom of the clamping base, and the centering assembly is disposed on the clamping base.
[0007] The clamping assembly includes a left clamping plate and a right clamping plate, which are slidably mounted on the surface of the clamping base and symmetrically connected to the drive assembly;
[0008] The drive assembly includes two sets of synchronous pulleys rotatably mounted at the bottom of the clamping base. A synchronous belt is connected to each synchronous pulley, and an electric motor is connected to the lower end of one of the synchronous pulleys.
[0009] Preferably, a left connecting rod and a right connecting rod are respectively provided on both sides of the synchronous belt, and the upper ends of the left connecting rod and the right connecting rod are fixedly connected to the left clamping plate and the right clamping plate, respectively.
[0010] Preferably, the surface of the clamping base is provided with two sets of guide grooves, and the left connecting rod and the right connecting rod are slidably located in the guide grooves on both sides.
[0011] Preferably, an adjusting bolt is screwed onto the left clamping plate and the right clamping plate respectively, and an inner clamping plate is rotatably connected to the inner side of the adjusting bolt. Springs are connected between the two sets of inner clamping plates and the left clamping plate and the right clamping plate respectively.
[0012] Preferably, the centering assembly includes two sets of centering sensors and an indicator light disposed on one side of the centering sensors. The centering sensors are symmetrically mounted on both sides of the clamping base, and the indicator light is fixed on one side of the clamping base.
[0013] Preferably, the clamping base has a positioning groove on its surface and a scale line at the upper end of the positioning groove, and the lower ends of the left clamping plate and the right clamping plate are respectively provided with positioning sliders, which slide within the positioning groove.
[0014] Preferably, the lower end of the synchronous pulley is rotatably connected to a mounting bracket, and the two sets of mounting brackets are respectively fixed on the lower surface of the clamping base.
[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0016] 1. This utility model is equipped with a clamping base, a left clamping plate, a right clamping plate, a left connecting rod, a right connecting rod, a synchronous pulley, a synchronous belt, and a motor. The motor drives the synchronous pulley to rotate, which in turn drives the synchronous belt to move. The synchronous belt, through the connecting rod, drives the two sets of clamping plates to move in opposite directions, which can realize the synchronous clamping and fixing of the rack. It can achieve synchronous clamping on both sides, ensure consistent clamping force, and avoid rack deformation or clamping failure.
[0017] 2. This utility model has an adjusting bolt, a spring and an inner clamping plate inside the device. The adjusting bolt drives the inner clamping plate to move inside the clamping plate, which can adjust the clamping force. The clamping force can be precisely set according to the hardness of the rack material and the special requirements of the processing technology, so as to avoid damage to the rack surface due to excessive clamping force.
[0018] 3. This utility model has a centering component, a centering sensor and an indicator light installed in the device. The centering sensor facilitates the centering confirmation of the rack, and the indicator light sends a signal when the centering is accurate, which can realize the precise alignment and installation of the rack, improve the processing or assembly accuracy, and avoid the loss of pass rate due to deviations in the processing of the rack.
[0019] Specific embodiments of the present invention are disclosed in detail with reference to the following description and accompanying drawings, indicating how the principles of the present invention can be employed. It should be understood that the embodiments of the present invention are not limited in scope. Within the spirit and scope of the appended claims, the embodiments of the present invention include many changes, modifications, and equivalents. Attached Figure Description
[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0021] Figure 1 This is a schematic diagram of the overall structure according to the present utility model;
[0022] Figure 2 This is a schematic diagram of the working structure according to this utility model;
[0023] Figure 3 An exploded view of the drive component according to this utility model;
[0024] Figure 4 This is an exploded view of the clamping assembly according to the present invention.
[0025] In the diagram: 1. Clamping base; 11. Guide groove; 12. Positioning groove; 13. Scale line; 2. Clamping assembly; 21. Left clamping plate; 22. Right clamping plate; 23. Adjusting bolt; 24. Spring; 25. Inner clamping plate; 26. Positioning slider; 3. Drive assembly; 31. Synchronous pulley; 32. Synchronous belt; 33. Left connecting rod; 34. Right connecting rod; 35. Motor; 36. Mounting bracket; 4. Centering assembly; 41. Centering sensor; 42. Indicator light. Detailed Implementation
[0026] 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.
[0027] like Figure 1 As shown in Figure 4, the synchronous rack clamping mechanism provided in this embodiment includes a clamping base 1, a clamping component 2, a driving component 3, and a centering component 4. The clamping component 2 is disposed on the clamping base 1, the driving component 3 is disposed at the bottom of the clamping base 1, and the centering component 4 is disposed on the clamping base 1.
[0028] In this embodiment, the clamping assembly 2 includes a left clamping plate 21 and a right clamping plate 22. The left clamping plate 21 and the right clamping plate 22 are slidably mounted on the surface of the clamping base 1 and symmetrically connected to the driving assembly 3. Adjusting bolts 23 are screwed onto the left clamping plate 21 and the right clamping plate 22 respectively. Inner clamping plates 25 are rotatably connected to the inner side of the adjusting bolts 23. Springs 24 are connected between the two sets of inner clamping plates 25 and the left clamping plate 21 and the right clamping plate 22 respectively. A positioning groove 12 is opened on the surface of the clamping base 1, and a scale line 13 is provided at the upper end of the positioning groove 12. The left clamping plate 21 and the right clamping plate 22 are slidably mounted on the surface of the clamping base 1 and symmetrically connected to the driving assembly 3. The lower end of the clamping plate 22 is provided with positioning sliders 26, and the positioning sliders 26 slide in the positioning groove 12. The left clamping plate 21 and the right clamping plate 22 are controlled to move in opposite directions by the drive component 3 to clamp the rack synchronously. The position of the inner clamping plate 25 is adjusted by the adjusting bolt 23 and the spring 24 to change the clamping force and ensure that the clamping force on both sides is consistent, thereby realizing the clamping operation of the rack. The clamping force can be flexibly adjusted. The clamping force can be precisely set according to the hardness of the rack material and the special requirements of the processing technology to avoid damage to the rack surface due to excessive clamping force.
[0029] In this embodiment, the drive assembly 3 includes two sets of synchronous pulleys 31 rotatably mounted on the bottom of the clamping base 1. A synchronous belt 32 is connected to the synchronous pulleys 31. A motor 35 is connected to the lower end of one synchronous pulley 31. A left connecting rod 33 and a right connecting rod 34 are respectively provided on both sides of the synchronous belt 32. The upper ends of the left connecting rod 33 and the right connecting rod 34 are fixedly connected to the left clamping plate 21 and the right clamping plate 22, respectively. Two sets of guide grooves 11 are provided on the surface of the clamping base 1. The left connecting rod 33 and the right connecting rod 34 slide in the guide grooves 1 on both sides. Inside the clamping base 1, the lower end of the synchronous pulley 31 is rotatably connected to the mounting bracket 36. The two sets of mounting brackets 36 are respectively fixed on the lower surface of the clamping base 1. The synchronous pulley 31 is rotated by the motor 35. The synchronous pulley 31 drives the synchronous belt 32 to rotate. The synchronous belt 32 drives the left connecting rod 33 and the right connecting rod 34 to move in opposite directions, which in turn drives the left clamping plate 21 and the right clamping plate 22 to move in opposite directions. This enables synchronous motion control of the clamping plates, achieves synchronous clamping on both sides, ensures consistent clamping force, and avoids rack deformation or clamping failure.
[0030] In this embodiment, the centering component 4 includes two sets of centering sensors 41 and an indicator light 42 disposed on one side of the centering sensor 41. The centering sensors 41 are symmetrically installed on both sides of the clamping base 1, and the indicator light 42 is fixed on one side of the clamping base 1. The centering sensors 41 facilitate the centering confirmation of the rack. When the centering is accurate, the indicator light 42 sends a signal, which can realize the precise alignment and installation of the rack and improve the processing or assembly accuracy.
[0031] The working principle and process of this utility model are as follows: First, the inner clamping plate 25 is moved by adjusting the bolt 23. The clamping force is precisely set according to the hardness of the rack material and the special requirements of the processing technology. Then, the rack is placed on the clamping base 1 and positioned in the center by the positioning groove 12 and the scale line 13. The centering sensor 41 performs centering detection. When the centering is accurate, the indicator light 42 sends a signal. At this time, the motor 35 can be driven to work. The motor 35 controls the synchronous pulley 31 to rotate. The synchronous pulley 31 drives the synchronous belt 32 to rotate. The synchronous belt 32 drives the left connecting rod 33 and the right connecting rod 34 to move in opposite directions. The two sets of connecting rods drive the left clamping plate 21 and the right clamping plate 22 to move in opposite directions and clamp the rack at both ends respectively.
[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0033] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.
Claims
1. A synchronous rack and pinion clamping mechanism, characterized in that, It includes a clamping base (1), a clamping assembly (2), a driving assembly (3) and a centering assembly (4). The clamping assembly (2) is disposed on the clamping base (1), the driving assembly (3) is disposed at the bottom of the clamping base (1), and the centering assembly (4) is disposed on the clamping base (1). The clamping assembly (2) includes a left clamping plate (21) and a right clamping plate (22), which are slidably mounted on the surface of the clamping base (1) and symmetrically connected to the drive assembly (3); The drive assembly (3) includes two sets of synchronous pulleys (31) rotatably mounted on the bottom of the clamping base (1). A synchronous belt (32) is connected to the synchronous pulleys (31), and a motor (35) is connected to the lower end of one of the synchronous pulleys (31).
2. The synchronous rack clamping mechanism according to claim 1, characterized in that: The synchronous belt (32) is provided with a left connecting rod (33) and a right connecting rod (34) on both sides respectively. The upper ends of the left connecting rod (33) and the right connecting rod (34) are fixedly connected to the left clamping plate (21) and the right clamping plate (22) respectively.
3. The synchronous rack clamping mechanism according to claim 2, characterized in that: The clamping base (1) has two sets of guide grooves (11) on its surface, and the left connecting rod (33) and the right connecting rod (34) slide in the guide grooves (11) on both sides respectively.
4. The synchronous rack clamping mechanism according to claim 1, characterized in that: Adjusting bolts (23) are screwed onto the left clamping plate (21) and the right clamping plate (22) respectively. An inner clamping plate (25) is rotatably connected to the inner side of the adjusting bolt (23). A spring (24) is connected between the two sets of inner clamping plates (25) and the left clamping plate (21) and the right clamping plate (22) respectively.
5. The synchronous rack clamping mechanism according to claim 1, characterized in that: The centering component (4) includes two sets of centering sensors (41) and an indicator light (42) disposed on one side of the centering sensor (41). The centering sensor (41) is symmetrically installed on both sides of the clamping base (1), and the indicator light (42) is fixed on one side of the clamping base (1).
6. The synchronous rack clamping mechanism according to claim 1, characterized in that: The clamping base (1) has a positioning groove (12) on its surface and a scale line (13) on its upper end. The left clamping plate (21) and the right clamping plate (22) are respectively provided with positioning sliders (26) at their lower ends and the positioning sliders (26) slide within the positioning grooves (12).
7. The synchronous rack clamping mechanism according to claim 1, characterized in that: The lower end of the synchronous wheel (31) is rotatably connected to a mounting bracket (36), and the two sets of mounting brackets (36) are respectively fixed on the lower surface of the clamping base (1).