Positioning press-fitting device

By designing a positioning and pressing device, precise positioning and guiding are achieved by using components such as the base, bushing hole and upper pressure block, which solves the problem of poor coaxiality of reducer parts, improves production efficiency and reduces costs.

CN223418800UActive Publication Date: 2025-10-10SPINDEX PRECISION ENG SHANGHAI CO LTD
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Patent Information

Application Number
CN202422028310.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-21
Publication Date
2025-10-10
Estimated Expiration
2034-08-21

AI Technical Summary

Technical Problem

In the prior art, during the processing of reducer parts, the lack of precise positioning and guiding results in the inability to ensure the coaxiality of the parts, a high production defect rate, low efficiency and a waste of human resources.

Method used

A positioning and pressing device was designed, which includes components such as a base, a bushing hole, an upper pressing block and a height positioning block. The coaxiality requirements of the parts are achieved through precise positioning and guiding, and the circular and T-shaped structures are used to evenly distribute the force, thereby improving stability and production efficiency.

Benefits of technology

It achieves precise positioning and guidance of parts, reduces the defect rate, improves production efficiency, reduces waste of human resources, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a positioning press-fitting device which comprises a base, a first lining hole is formed in the top of the base, a positioning lining is arranged in the first lining hole and used in cooperation with the first lining hole, a second lining hole is formed in the top of the positioning lining, and the second lining hole is used in cooperation with the second lining hole. The top of the second lining hole is provided with an upper pressing block, the upper pressing block is used in cooperation with the second lining hole, the center of the bottom of the base is provided with a height positioning block, and one side of the bottom of the base is provided with a threaded hole. Through the cooperation of the base, the first lining hole, the positioning lining, the second lining hole, the upper pressing block, the height positioning block, the threaded hole and the exhaust hole, the precise positioning and guiding requirements can be met, the coaxiality of parts is guaranteed, the reject ratio is reduced, meanwhile, high-efficiency press fitting is achieved, manpower resources are reduced, the production cost is reduced, and meanwhile the production efficiency is improved. The utility model has a simple structure and is convenient to use.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical manufacturing, in particular to a positioning and pressing device. Background Art

[0002] During the production of reducer parts, a gasket and tooth head need to be press-fitted onto one end of a shaft to produce the finished reducer part. Existing methods often rely on manual assembly, where the gasket and tooth head are attached to one end of a mandrel on the shaft and then compressed using a press. This method lacks precise positioning guidance, failing to ensure part coaxiality. Furthermore, it results in a high defect rate, low production efficiency, and significant waste of human resources. A positioning and press-fitting device is urgently needed to address these issues. Utility Model Content

[0003] In order to solve the problems raised in the above-mentioned background technology, the purpose of the present invention is to provide a positioning and pressing device, which has a simple structure and is easy to use, and can achieve precise positioning and guiding requirements, ensuring the coaxiality of parts and reducing the defective rate. At the same time, it achieves the advantages of high-efficiency pressing, reducing human resources and reducing production costs. It solves the problem that there is no precise positioning and guiding, which not only cannot ensure the coaxiality requirements of parts, but also has a high production defective rate, low production efficiency, and wastes a lot of human resources.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning and pressing device, comprising a base, a first bushing hole is provided on the top of the base, a positioning bushing is provided inside the first bushing hole, and the positioning bushing is used in conjunction with the first bushing hole, a second bushing hole is provided on the top of the positioning bushing, an upper pressure block is provided on the top of the second bushing hole, and the upper pressure block is used in conjunction with the second bushing hole, a height positioning block is provided at the center of the bottom of the base, a threaded hole is provided on one side of the bottom of the base, and the inside of the threaded hole is fixedly connected to the height positioning block by a bolt, and an exhaust hole is provided on the other side of the bottom of the base, and the exhaust hole is connected to the first bushing hole.

[0005] As a preferred embodiment of the present invention, the height positioning block is in the shape of a circular body, and the surface of the height positioning block and the base are inlaid.

[0006] As a preferred embodiment of the present invention, the positioning bushing is shaped like a flat cylinder, and the shape of the positioning bushing fits together with the first bushing hole, the shape of the second bushing hole is a circular through hole, and the shape of the upper pressure block is a T-shaped cylinder, and the upper pressure block fits together with the second bushing hole.

[0007] As a preferred embodiment of the present invention, a direction identification groove is provided on the surface of the positioning bushing, and the direction identification groove is used in conjunction with the first bushing hole.

[0008] As a preferred embodiment of the present invention, a reducer parts group is provided inside the base, and the reducer parts group includes a gear shaft, and the gear shaft is provided inside the base, a gasket is provided on the surface of the gear shaft, and the gasket is used in conjunction with the gear shaft, and a tooth head is provided at the bottom of the positioning bushing, and the tooth head is used in conjunction with the gear shaft.

[0009] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0010] The utility model can achieve precise positioning and guiding requirements through the cooperation of the base, the first bushing hole, the positioning bushing, the second bushing hole, the upper pressure block, the height positioning block, the threaded hole and the exhaust hole, which not only ensures the coaxiality of the parts, but also reduces the defective rate, and at the same time achieves high-efficiency press-fitting, reduces human resources, and reduces production costs. At the same time, the utility model has a simple structure and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the explosion of the structure of the utility model;

[0013] Figure 3 This is a partial cross-sectional diagram of the base and height positioning block of the utility model in cooperation;

[0014] Figure 4 It is a partial cross-sectional schematic diagram of the positioning bushing of the utility model;

[0015] Figure 5 It is a partial cross-sectional schematic diagram of the upper pressing block of the utility model;

[0016] Figure 6 It is a schematic cross-sectional view of the structure of the utility model in a press-fitted state.

[0017] In the figure: 1. Base; 2. First bushing hole; 3. Positioning bushing; 4. Second bushing hole; 5. Upper pressure block; 6. Height positioning block; 7. Threaded hole; 8. Exhaust hole; 9. Direction identification groove; 10. Gear shaft; 11. Gasket; 12. Gear head. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] like Figures 1 to 6 As shown, the utility model provides a positioning and pressing device, including a base 1, a first bushing hole 2 is opened on the top of the base 1, a positioning bushing 3 is arranged inside the first bushing hole 2, and the positioning bushing 3 is used in conjunction with the first bushing hole 2, a second bushing hole 4 is opened on the top of the positioning bushing 3, an upper pressing block 5 is arranged on the top of the second bushing hole 4, and the upper pressing block 5 is used in conjunction with the second bushing hole 4, a height positioning block 6 is provided at the center of the bottom of the base 1, a threaded hole 7 is opened on one side of the bottom of the base 1, and the inside of the threaded hole 7 is fixedly connected to the height positioning block 6 by a bolt, and an exhaust hole 8 is opened on the other side of the bottom of the base 1, and the exhaust hole 8 is connected to the first bushing hole 2.

[0020] refer to Figure 2 、 Figure 3 and Figure 6 The height positioning block 6 is in the shape of a circular body, and the surface of the height positioning block 6 is inlaid with the base 1.

[0021] As a technical optimization solution of the present invention, the height positioning block 6 is configured as a circular body, and the cylindrical design helps to achieve accurate positioning, especially in situations where high-precision assembly is required.

[0022] refer to Figure 1 、 Figure 2 and Figure 4 The positioning bushing 3 is in the shape of a flat cylinder, and the shape of the positioning bushing 3 fits with the first bushing hole 2. The shape of the second bushing hole 4 is a circular through hole. The shape of the upper pressing block 5 is a T-shaped cylinder, and the upper pressing block 5 fits with the second bushing hole 4.

[0023] As a technical optimization solution of the present invention, by setting the positioning bushing 3 to be a flat cylinder and the upper pressure block 5 to be a T-shaped cylinder, the positioning bushing 3 and the upper pressure block 5 can be respectively clamped with the first bushing hole 2 and the second bushing hole 4, and the circular cross-section of the cylinder is used. The circular structure can evenly distribute force, resist external and internal pressure, maintain stability, and the volume of the cylinder is large relative to the surface area, which can maximize the use of space.

[0024] refer to Figure 2 A direction identification groove 9 is provided on the surface of the positioning bushing 3 , and the direction identification groove 9 is used in conjunction with the first bushing hole 2 .

[0025] As a technical optimization solution of the present invention, the provision of the direction identification groove 9 facilitates the staff to identify the direction position of the positioning bushing 3, thereby improving its accuracy during use.

[0026] refer to Figure 6A reducer parts group is provided inside the base 1, and the reducer parts group includes a gear shaft 10. The gear shaft 10 is provided inside the base 1. A gasket 11 is provided on the surface of the gear shaft 10, and the gasket 11 is used in conjunction with the gear shaft 10. A tooth head 12 is provided at the bottom of the positioning bushing 3, and the tooth head 12 is used in conjunction with the gear shaft 10.

[0027] As a technical optimization solution of the present invention, through the arrangement of the gear shaft 10, gasket 11 and tooth head 12, the positioning and pressing device can be used to quickly manufacture the gear shaft 10, gasket 11 and tooth head 12 into finished reducer parts, thereby improving the production efficiency.

[0028] The working principle and usage process of the utility model are as follows: when using the positioning and pressing device to produce finished reducer parts, first install the gasket 11 into one end of the gear shaft 10 in the required direction, and then put it into the base 1, and install the positioning bushing 3 into the first bushing hole 2 on the base 1. At this time, it is necessary to install the tooth head 12 in the second bushing hole 4 on the positioning bushing 3, and install the upper pressing block 5 into the second bushing hole 4 on the positioning bushing 3, and then press the upper pressing block 5 downward, so that the gear shaft 10, gasket 11 and tooth head 12 can be press-fitted, so that the finished reducer parts can be obtained. After the pressing is completed, repeat the above steps.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning and pressing device, comprising a base (1), characterized in that: A first bushing hole (2) is provided on the top of the base (1), a positioning bushing (3) is provided inside the first bushing hole (2), and the positioning bushing (3) is used in conjunction with the first bushing hole (2), a second bushing hole (4) is provided on the top of the positioning bushing (3), an upper pressing block (5) is provided on the top of the second bushing hole (4), and the upper pressing block (5) is used in conjunction with the second bushing hole (4), a height positioning block (6) is provided at the center of the bottom of the base (1), a threaded hole (7) is provided on one side of the bottom of the base (1), and the inside of the threaded hole (7) is fixedly connected to the height positioning block (6) by a bolt, and an exhaust hole (8) is provided on the other side of the bottom of the base (1), and the exhaust hole (8) is communicated with the first bushing hole (2).

2. A positioning and pressing device according to claim 1, characterized in that: The height positioning block (6) is in the shape of a circular body, and the surface of the height positioning block (6) and the base (1) are inlaid.

3. A positioning and pressing device according to claim 1, characterized in that: The positioning bushing (3) is in the shape of a cylindrical body without edges and corners, and the positioning bushing (3) and the first bushing hole (2) are in the shape of each other. The second bushing hole (4) is in the shape of a circular through hole. The upper pressing block (5) is in the shape of a T-shaped cylindrical body, and the upper pressing block (5) and the second bushing hole (4) are in the shape of each other.

4. A positioning and pressing device according to claim 1, characterized in that: A direction identification groove (9) is provided on the surface of the positioning bushing (3), and the direction identification groove (9) is used in conjunction with the first bushing hole (2).

5. The positioning and pressing device according to claim 1, characterized in that: A reducer parts group is provided inside the base (1), and the reducer parts group includes a gear shaft (10). The gear shaft (10) is provided inside the base (1), a gasket (11) is provided on the surface of the gear shaft (10), and the gasket (11) is used in conjunction with the gear shaft (10), and a tooth head (12) is provided at the bottom of the positioning bushing (3), and the tooth head (12) is used in conjunction with the gear shaft (10).