Gear shaft press-fitting equipment
By using a combined structure of a rotating shaft and an inclined plate in the gear shaft pressing equipment, the problem of skewed connection between the gear and the shaft is solved, the vertical fixation of the gear and the shaft is achieved, and the pressing success rate and the service life of the equipment are improved.
Patent Information
- Application Number
- CN202422063754.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-08-26
AI Technical Summary
During the existing gear shaft press-fitting process, the connection between the gear and the shaft is easily skewed due to external shaking or other factors, resulting in press-fit failure and waste of resources.
A gear shaft press-fitting device is designed. By setting a rotating shaft and an inclined plate in the groove of the base, the elastic parts on the inclined plate are used to fix and reset the gear. Combined with the column fixing press-fitting assembly, the vertical installation of the gear and the shaft is ensured.
The vertical fixation of the gear and the shaft is achieved, which avoids the skewness during pressing and improves the pressing efficiency and the service life of the equipment.
Smart Images

Figure CN223338800U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gear shaft press-fitting, in particular to a gear shaft press-fitting device. Background Art
[0002] Gear shaft press-fitting is the process of physically connecting a gear to a shaft, commonly used in the transmission systems of mechanical equipment. This process requires the gear to be accurately and securely mounted on the shaft and able to withstand the various forces and torques during operation. The quality of press-fitting technology directly impacts the transmission efficiency and service life of the mechanical equipment.
[0003] According to the disclosure (announcement) number: CN208467685U, the disclosure (announcement) date: 2019-02-05, the disclosed gear shaft pressure assembly tool includes a base, the upper surface of the base is fixedly connected to a workbench, the L-shaped support plate is fixedly connected to a hydraulic rod, and a pressing plate is fixedly connected to the output shaft of the hydraulic rod, and fastening mechanisms are provided at both ends of the workbench, and both ends of the concave seat are provided with a placement cavity, the other end of the first connecting column extends out of the placement cavity, and the end of the first connecting column outside the placement cavity is fixedly connected to a splint, the other side of the first moving block is fixedly connected to a first spring, and the other end of the second connecting column extends into the placement cavity, one end of the second connecting column is fixedly connected to the second moving block, and the upper side of the second connecting column is hinged with a fixed rod, and the other end of the fixed rod is connected to a third spring, and a limiting mechanism is provided on the inner wall of the upper end of the placement cavity.
[0004] It is known from the above-mentioned patents and prior art that when pressing a gear onto a shaft, a press is required to press downward to press the gear onto the shaft. During the pressing process, if there is external shaking or other factors, the connection between the shaft and the gear may become skewed, resulting in the gear shaft being unusable after the pressing is completed, which wastes resources. Utility Model Content
[0005] The utility model aims to provide a gear shaft press-fitting device, which ensures that the gear shaft is vertical during press-fitting and does not tilt to cause press-fitting failure.
[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a gear shaft press-fitting device, comprising a base, a notch formed on the base, a plurality of rotating shafts arranged in a circumferential array disposed in the notch, an inclined plate disposed on the rotating shaft, a plurality of first elastic members arranged in a linear array disposed on the inclined plate, the angle between the inclined plate and the notch being 60° in a default state, a bearing plate slidably disposed in the notch, the other end of the inclined plate being pushed against and slidably disposed on the bearing plate;
[0007] The base is provided with a plurality of columns arranged in a circumferential array, and the columns are provided with press-fit components.
[0008] Preferably, the press assembly includes a movable plate arranged on the base, a pressing block is movably arranged on the movable plate, a fixing bolt is provided on the movable plate, and the pressing block is fixed to the movable plate by the fixing bolt.
[0009] Preferably, sliding rods are symmetrically arranged on the base, and the movable plate is slidably arranged on the sliding rods.
[0010] Preferably, a plurality of first bearing blocks arranged in a circular array are provided at the bottom of the bearing plate, and a second elastic member is provided at the bottom of the first bearing block.
[0011] Preferably, it includes a notch, a bottom of which is provided with a plurality of bottom plates arranged in a circular array, a second bearing block is provided on the bottom plate, and the second elastic member is provided between the first bearing block and the second bearing block.
[0012] Preferably, it comprises a first bearing block, a fixing block is provided on the first bearing block, and the bearing plate is provided between the first bearing block and the fixing block.
[0013] Preferably, the inclined plate is provided with a plurality of anti-sliding blocks arranged in a linear array.
[0014] Preferably, the first elastic member is a spring.
[0015] Preferably, the second elastic member is a spring.
[0016] Preferably, the anti-sliding block is a rubber block.
[0017] In the above technical scheme, the utility model provides a gear shaft pressing device, which has the following beneficial effects: the gear is fixed by the groove on the base, the rotation of the inclined plate is achieved by the rotating shaft in the groove, the gear is fixed by the inclined plate on the rotating shaft, the swing and reset of the inclined plate are achieved by the first elastic member on the inclined plate, the gear is installed by the supporting plate in the groove, the supporting plate is pushed and fixed by the inclined plate, the pressing assembly is fixed by the column on the base, and the gear and the shaft are fixed. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0019] Figure 1A schematic diagram of the overall structure provided for an embodiment of the present utility model;
[0020] Figure 2 A schematic structural diagram of a base and a press-fit assembly provided in an embodiment of the present utility model;
[0021] Figure 3 A schematic diagram of the structure inside the base provided by an embodiment of the utility model;
[0022] Figure 4 This is a schematic diagram of the structure inside the press-fit assembly and base provided in an embodiment of the present utility model.
[0023] Description of reference numerals:
[0024] 1. Base; 11. Column; 13. Notch; 14. Load-bearing plate; 15. Fixing groove; 16. Fixing block; 17. Inclined plate; 171. Anti-sliding block; 18. Rotating shaft; 19. First elastic member; 2. Press-fit assembly; 20. Second elastic member; 21. Fixing bolt; 22. Moving plate; 23. Sliding rod; 24. Pressing block; 201. First load-bearing block; 203. Bottom plate; 204. Second load-bearing block. DETAILED DESCRIPTION
[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.
[0026] like Figure 1-4 As shown, a gear shaft press-fitting device includes a base 1, a notch 13 is formed on the base 1, a plurality of rotating shafts 18 arranged in a circumferential array are disposed in the notch 13, an inclined plate 17 is disposed on the rotating shaft 18, and a plurality of first elastic members 19 arranged in a linear array are disposed on the inclined plate 17. In the default state, the inclined plate 17 is at an angle of 60° to the notch 13. A supporting plate 14 is slidably disposed in the notch 13, and the other end of the inclined plate 17 is pushed and slidably disposed on the supporting plate 14;
[0027] A plurality of columns 11 arranged in a circular array are provided on the base 1 , and a press-fit assembly 2 is provided on the columns 11 .
[0028] Specifically, when in use, the gear is placed in the fixed groove 15 on the carrier plate 14, and then the press-fitting assembly 2 is started to move the press-fitting assembly 2 downward and push the gear on the carrier plate 14, so that the shaft fixed on the press-fitting assembly 2 is fixed on the gear. When the carrier plate 14 is subjected to force, it will move downward in the slot 13 and push the inclined plate 17 to swing in the slot 13 through the rotating shaft 18, while supporting the carrier plate 14. When the inclined plate 17 swings, it will move closer to the fixed groove 15. At the same time, after moving to the top, multiple inclined plates 17 will push the gear to fix the gear. At the same time, multiple first elastic members 19 are subjected to force. When the pressing is completed, multiple first elastic members 19 are reset, and at the same time drive the inclined plate 17 to reset, and push the carrier plate 14 to reset.
[0029] In the above scheme, the gear is fixed by the slot 13 on the base 1, the rotation of the inclined plate 17 is achieved by the rotating shaft 18 in the slot 13, the gear is fixed by the inclined plate 17 on the rotating shaft 18, the swing and reset of the inclined plate 17 are achieved by the first elastic member 19 on the inclined plate 17, the gear is installed by the supporting plate 14 in the slot 13, the supporting plate 14 is pushed and fixed by the inclined plate 17, and the press-fit assembly 2 is fixed by the column 11 on the base 1 to fix the gear and the shaft.
[0030] As an embodiment further provided by the present invention, according to Figure 1 and Figure 2 As shown, the press assembly 2 includes a movable plate 22 arranged on the base 1 , a pressing block 24 is movably arranged on the movable plate 22 , a fixing bolt 21 is provided on the movable plate 22 , and the pressing block 24 is fixed to the movable plate 22 by the fixing bolt 21 .
[0031] Specifically, the specifications of the pressing block 24 are changed by fixing the bolts 21 to cope with gears and shafts of various specifications.
[0032] As an embodiment further provided by the present invention, according to Figure 1 As shown, the base 1 is symmetrically provided with slide rods 23 , and the movable plate 22 is slidably provided on the slide rods 23 .
[0033] Specifically, the movable plate 22 is pushed to move, and the pressing block 24 is driven downward, while the movable plate 22 slides on the sliding rod 23 to support the movable plate 22 .
[0034] As an embodiment further provided by the present invention, according to Figure 2 、 Figure 3 and Figure 4 As shown, a plurality of first bearing blocks 201 arranged in a circumferential array are provided at the bottom of the bearing plate 14 , and a second elastic member 20 is provided at the bottom of the first bearing block 201 .
[0035] Furthermore, it includes a notch 13 , a bottom of which is provided with a plurality of bottom plates 203 arranged in a circular array, a second bearing block 204 is provided on the bottom plate 203 , and a second elastic member 20 is provided between the first bearing block 201 and the second bearing block 204 .
[0036] Furthermore, it includes a first bearing block 201 , a fixing block 16 is provided on the first bearing block 201 , and the bearing plate 14 is provided between the first bearing block 201 and the fixing block 16 .
[0037] Specifically, when the supporting plate 14 moves downward, the first supporting block 201 moves downward, and the second elastic member 20 is subjected to force. When the first supporting block 201 contacts the second supporting block 204, it moves to the top, and the gear and the shaft are fitted together to complete the fixation.
[0038] As an embodiment further provided by the present invention, according to Figure 3 As shown, a plurality of anti-sliding blocks 171 arranged in a linear array are provided on the inclined plate 17 .
[0039] Specifically, after the anti-sliding block 171 contacts the gear, the gear will not slip when being fixed.
[0040] Working principle: When in use, the gear is placed in the fixed groove 15 on the carrier plate 14, and then the press-fitting assembly 2 is started to move the press-fitting assembly 2 downward and push the gear on the carrier plate 14, so that the shaft fixed on the press-fitting assembly 2 is fixed on the gear. When the carrier plate 14 is subjected to force, it will move downward in the groove 13. When the carrier plate 14 moves downward, the first carrier block 201 moves downward, and the second elastic member 20 is subjected to force. At the same time, the inclined plate 17 swings in the groove 13 through the rotating shaft 18, supporting the carrier plate 14 at the same time. When the inclined plate 17 swings, it will move closer to the fixed groove 15. At the same time, after moving to the vertex, multiple inclined plates 17 will push the gear to fix the gear. At the same time, multiple first elastic members 19 are subjected to force. When the pressing is completed, multiple first elastic members 19 are reset, and at the same time drive the inclined plate 17 to reset, and push the carrier plate 14 to reset. When the first carrier block 201 contacts the second carrier block 204, it moves to the vertex, the gear and the shaft are fitted together, and the fixation is completed.
[0041] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A gear shaft press-fitting device, characterized in that: The invention comprises a base (1), wherein a notch (13) is provided on the base (1), a plurality of rotating shafts (18) arranged in a circumferential array are provided in the notch (13), an inclined plate (17) is provided on the rotating shaft (18), a plurality of first elastic members (19) arranged in a linear array are provided on the inclined plate (17), and an angle between the inclined plate (17) and the notch (13) is 60° in a default state, a bearing plate (14) is slidably provided in the notch (13), and the other end of the inclined plate (17) is pushed and slidably provided on the bearing plate (14); A plurality of columns (11) arranged in a circumferential array are provided on the base (1), and a press-fit assembly (2) is provided on the columns (11).
2. The gear shaft press-fitting device according to claim 1, characterized in that: The press-fitting assembly (2) comprises a movable plate (22) arranged on the base (1), a pressing block (24) is movably arranged on the movable plate (22), a fixing bolt (21) is arranged on the movable plate (22), and the pressing block (24) is fixed to the movable plate (22) via the fixing bolt (21).
3. The gear shaft press-fitting device according to claim 2, characterized in that: Slide rods (23) are symmetrically arranged on the base (1), and the movable plate (22) is slidably arranged on the slide rods (23).
4. The gear shaft press-fitting device according to claim 1, characterized in that: A plurality of first bearing blocks (201) arranged in a circumferential array are provided at the bottom of the bearing plate (14), and a second elastic member (20) is provided at the bottom of each of the first bearing blocks (201).
5. The gear shaft press-fitting device according to claim 4, characterized in that: The invention comprises a notch (13), a plurality of bottom plates (203) arranged in a circumferential array are provided at the bottom of the notch (13), a second bearing block (204) is provided on the bottom plate (203), and the second elastic member (20) is provided between the first bearing block (201) and the second bearing block (204).
6. The gear shaft press-fitting device according to claim 1, characterized in that: It comprises a first bearing block (201), a fixing block (16) is provided on the first bearing block (201), and the bearing plate (14) is provided between the first bearing block (201) and the fixing block (16).
7. The gear shaft press-fitting device according to claim 1, characterized in that: The inclined plate (17) is provided with a plurality of anti-sliding blocks (171) arranged in a linear array.
8. The gear shaft press-fitting device according to claim 1, characterized in that: The first elastic member (19) is a spring.
9. The gear shaft press-fitting device according to claim 5, characterized in that: The second elastic member (20) is a spring.
10. The gear shaft press-fitting device according to claim 7, characterized in that: The anti-sliding block (171) is a rubber block.
Citation Information
Patent Citations
Gear shaft pressure assembly fixture
CN208467685U