CN219852999U - Gear shaft bearing retainer ring quick riveting device - Google Patents
Gear shaft bearing retainer ring quick riveting device Download PDFInfo
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- CN219852999U CN219852999U CN202320368754.7U CN202320368754U CN219852999U CN 219852999 U CN219852999 U CN 219852999U CN 202320368754 U CN202320368754 U CN 202320368754U CN 219852999 U CN219852999 U CN 219852999U
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- die plate
- fixed core
- gear shaft
- bearing retainer
- template
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- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a gear shaft bearing retainer ring quick riveting device which comprises a bottom plate, a lower template arranged on the bottom plate, an upper template arranged in a matched manner through guide posts and the lower template, four strip-shaped punches symmetrically arranged on the upper template and the lower template, and a fixed core block arranged between the upper template and the lower template; symmetrical notches are formed in opposite faces of the upper die plate and the lower die plate, fixed core blocks are arranged in the notches, punches are annularly distributed along edges of the notches, punch axes on the upper die plate and the lower die plate are obliquely symmetrical, and the punches are slidingly connected to the upper die plate and the lower die plate through sliding grooves perpendicular to the punch axes; the fixed core block is provided with a through hole perpendicular to the plane of the notch, the side surface of the fixed core block is provided with a through groove matched with the punch in shape, and the punch is slidably arranged in the through groove. The utility model improves the production efficiency and ensures the reliability and stability of riveting quality.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a gear shaft bearing retainer ring riveting device.
Background
The gear shaft in the automobile steering gear is required to be provided with a bearing through a check ring, and the check ring is fixed with the gear shaft in a riveting mode. The automobile steering gear has higher installation requirements on the gear shaft and the bearing, no clearance is required between the bearing inner ring and the gear shaft, and higher requirements on the pressure release force between the bearing and the gear shaft are also required, so that the normal operation of the steering system is ensured.
Currently, the riveting of the bearing retainer ring and the gear shaft generally adopts a rolling riveting or spot riveting mode. The rolling riveting needs a special rolling riveting machine, and the clamping and fixing of the gear shaft and the bearing retainer ring on the rolling riveting machine are troublesome, so that the operation efficiency is low; the traditional riveting equipment adopts four hydraulic cylinders to simultaneously rivet the radial mortise of the gear shaft check ring, the equipment is complex in structure and difficult to maintain, and the consistency of the four hydraulic cylinders in operation is poor, so that the riveting quality of the gear shaft check ring is unstable.
Disclosure of Invention
The utility model aims to provide a gear shaft bearing retainer ring quick riveting device which can rivet a gear shaft and a bearing retainer ring quickly and ensure stable riveting quality.
The utility model is realized by the following technical scheme:
the quick riveting device for the gear shaft bearing retainer ring comprises a bottom plate, a lower template arranged on the bottom plate, an upper template arranged in a matched manner with the lower template through guide posts, four strip-shaped punches symmetrically arranged on the upper template and the lower template, and a fixed core block arranged between the upper template and the lower template; symmetrical notches are formed in opposite faces of the upper die plate and the lower die plate, fixed core blocks are arranged in the notches, punches are annularly distributed along edges of the notches, punch axes on the upper die plate and the lower die plate are obliquely symmetrical, and the punches are slidingly connected to the upper die plate and the lower die plate through sliding grooves perpendicular to the punch axes; the fixed core block is provided with a through hole perpendicular to the plane of the notch, the side surface of the fixed core block is provided with a through groove matched with the punch in shape, and the punch is slidably arranged in the through groove.
Further: the through holes are three-stage stepped holes, and the diameters of the three-stage stepped holes are sequentially equal to the diameter of the gear shaft, the diameter of the bearing retainer ring and the diameter of the bearing from large to small.
Further: the two guide posts are symmetrically and vertically distributed on two sides of the fixed core block, the guide posts are sleeved with springs I, and the upper end and the lower end of each spring I respectively prop against opposite faces of the upper die plate and the lower die plate.
Further: vertical limiting holes are formed in the upper end face and the lower end face of the fixed core block, limiting pins corresponding to the limiting holes are respectively fixed on opposite faces of the upper die plate and the lower die plate, and the limiting pins are inserted into the limiting holes. The limit pin and the limit hole are matched to limit the fixed core block to move up and down in a straight line only in the vertical direction.
Further: the second spring is sleeved on the limiting pin, one end of the second spring on the limiting pin of the upper template is propped against the upper template, and the other end of the second spring is propped against the fixed core block; one end of the second spring on the lower template limiting pin is propped against the lower template, and the other end is propped against the fixed core block.
Further: the upper surface of the upper template is connected with a tooling die handle. A driving device for connecting the punch.
Further: one end of the upper sliding groove of the upper template penetrates through the lower surface of the upper template, and one end of the upper sliding groove of the lower template penetrates through the upper surface of the lower template. When being convenient for the device to assemble, the punch is installed in the chute.
Compared with the prior art, the utility model has the following advantages:
according to the utility model, the pressing force between the upper die plate and the lower die plate is converted into the point riveting force of the four punches on the bearing retainer ring, so that the four punches synchronously and uniformly rivet the bearing retainer ring, the production efficiency is improved, and the reliability and stability of riveting quality are ensured.
The utility model only needs one power source for linear driving of the upper template, simplifies the equipment structure, increases the stability of the equipment, reduces the maintenance time and the cost of the equipment and saves the manufacturing cost of the equipment.
The fixing method for the gear shaft, the bearing and the bearing retainer ring is simple and reliable, operation is simplified, and production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a fixed core block structure;
FIG. 3 is a schematic view of the structure of the present utility model after the fixed core block is removed;
FIG. 4 is a schematic front view of the present utility model;
FIG. 5 is a schematic view in cross-section in the direction A-A of FIG. 4;
FIG. 6 is a schematic view in section in the direction B-B in FIG. 4;
in the figure:
a bottom plate; 2. a lower template; 3. an upper template; 4. fixing the core block; 4.1, three-stage stepped holes; 4.2, through grooves; 4.3, limiting holes; 5. a tooling die handle; 6. a guide post; 7. a first spring; 8. a punch; 9. a chute; 10. a limiting pin; 11. a second spring; 12. a gear shaft; 13. a bearing; 14. and a bearing retainer ring.
Description of the embodiments
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The utility model is realized by the following technical scheme:
the quick riveting device for the gear shaft bearing retainer ring comprises a bottom plate 1, a lower template 2 arranged on the bottom plate 1, an upper template 3 arranged in a matched manner with the lower template 2 through guide posts 6, four strip-shaped punches 8 symmetrically arranged on the upper template 3 and the lower template 2, and a fixed core block 4 arranged between the upper template 3 and the lower template 2; symmetrical notches are formed in opposite surfaces of the upper die plate 3 and the lower die plate 2, fixed core blocks 4 are arranged in the notches, punches 8 are annularly distributed along edges of the notches, axes of the punches 8 on the upper die plate 3 and the lower die plate 2 are obliquely symmetrical, and the punches 8 are respectively connected to the upper die plate 3 and the lower die plate 2 in a sliding mode through sliding grooves 9 perpendicular to the axes of the punches 8; the fixed core block 4 is provided with three-stage stepped holes 4.1 perpendicular to the notch plane, the diameters of the three-stage stepped holes 4.1 are sequentially equal to the diameter of the gear shaft 12, the diameter of the bearing retainer ring 14 and the diameter of the bearing 13 from large to small, and the three-stage stepped holes 4.1 are respectively used for fixedly placing the gear shaft 12, the bearing retainer ring 14 and the bearing 13. The side surface of the fixed core block 4 is provided with a through groove 4.2 which is matched with the punch 8 in shape, and the punch 8 is slidably arranged in the through groove 4.2. The guide posts 6 are two, are symmetrically and vertically distributed on two sides of the fixed core block 4, are sleeved with springs 7, and the upper end and the lower end of each spring 7 respectively prop against the opposite surfaces of the upper die plate 3 and the lower die plate 2. Vertical limiting holes 4.3 are formed in the upper end face and the lower end face of the fixed core block 7, limiting pins 10 corresponding to the limiting holes 4.3 are respectively fixed on opposite faces of the upper die plate 3 and the lower die plate 2, the limiting pins 10 are inserted into the limiting holes 4.3, a second spring 11 is sleeved on the limiting pins 10, one end of the second spring 11 on the limiting pins 10 of the upper die plate 3 is propped against the upper die plate 3, and the other end of the second spring 11 is propped against the fixed core block 4; one end of a second spring 11 on the limiting pin 10 of the lower die plate 2 is propped against the lower die plate 2, and the other end is propped against the fixed core block 4. The upper surface of the upper template 3 is connected with a tooling die handle 5. One end of an upper chute 9 of the upper template 3 penetrates through the lower surface of the upper template 3, and one end of the upper chute 9 of the lower template 2 penetrates through the upper surface of the lower template 2.
The working principle of the utility model is as follows:
and connecting the tooling die handle 5 on the upper die plate 3 with a compression bar of a press machine. Initially, the upper die plate 3 and the lower die plate 2 are not pressed, and the upper die plate 3 and the lower die plate 2 are slightly opened with a point spacing. Under the action of the elastic force of the second spring 11, the fixed core block 4 floats along the limiting pin 10, a space is formed between the fixed core block and the gaps of the upper die plate 3 and the lower die plate 2, and the punch 8 arranged in the upper die plate 3 and the lower die plate 2 exits from the stepped hole surface where the bearing retainer ring 14 is arranged.
First, the gear shaft 12 with the bearing 13 and the bearing retainer ring 14 fitted therein is inserted from the larger diameter side of the three-stage stepped hole 4.1, and the gear shaft 12, the bearing retainer ring 14 and the bearing 13 are placed on the stepped holes corresponding to the diameters thereof, respectively. Then the end face of one side of the bearing 13 is supported against the gear shaft 12 by hands, so that the bearing 13 and the bearing retainer ring 14 are pressed on the step face of the three-stage step hole 4.1. And then the pressing rod is controlled to press down, so that the upper die plate 3 is pressed towards the lower die plate 2, in the process, the second springs 11 at the upper end and the lower end of the fixed core block 4 are gradually compressed, the upper die plate 3 and the lower die plate 2 are synchronously pressed towards the fixed core block 4, the bottoms of the punches 8 are displaced in the sliding grooves 9, the tops of the punches 8 are pressed against the inner ring direction of the bearing retainer ring 14, and the four punches 8 synchronously press the bearing retainer ring 14 into the retainer ring groove on the gear shaft 12 from four directions, so that the spot riveting operation of the bearing retainer ring 14 is completed. Finally, the control pressure lever rises, the device is reset to an initial state, and the gear shaft 12 after spot riveting is taken out from the side of the mounting bearing 13.
The foregoing embodiments are merely illustrative of the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, not to limit the scope of the present utility model. All equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a gear shaft bearing retainer ring quick riveting device which characterized in that: the die comprises a bottom plate (1), a lower die plate (2) arranged on the bottom plate (1), an upper die plate (3) arranged in a matched manner with the lower die plate (2) through guide posts (6), four strip-shaped punches (8) symmetrically arranged on the upper die plate (3) and the lower die plate (2) and a fixed core block (4) arranged between the upper die plate (3) and the lower die plate (2); symmetrical notches are formed in opposite faces of the upper die plate (3) and the lower die plate (2), fixed core blocks (4) are arranged in the notches, punches (8) are annularly distributed along edges of the notches, axes of the punches (8) on the upper die plate (3) and the lower die plate (2) are obliquely symmetrical, and the punches (8) are respectively connected to the upper die plate (3) and the lower die plate (2) in a sliding mode through sliding grooves (9) perpendicular to the axes of the punches (8); the fixed core block (4) is provided with a through hole perpendicular to the plane of the notch, the side surface of the fixed core block (4) is provided with a through groove (4.2) which is matched with the punch (8) in shape, and the punch (8) is slidably arranged in the through groove (4.2).
2. The quick riveting device for gear shaft bearing retainer rings according to claim 1, wherein: the through holes are three-stage stepped holes (4.1), and the diameters of the three-stage stepped holes (4.1) are sequentially equal to the diameter of the gear shaft, the diameter of the bearing retainer ring and the diameter of the bearing from large to small.
3. The quick riveting device for gear shaft bearing retainer rings according to claim 1, wherein: the two guide posts (6) are symmetrically and vertically distributed on two sides of the fixed core block (4), the first spring (7) is sleeved on the guide posts (6), and the upper end and the lower end of the first spring (7) are respectively propped against opposite surfaces of the upper die plate (3) and the lower die plate (2).
4. The quick riveting device for gear shaft bearing retainer rings according to claim 1, wherein: vertical limiting holes (4.3) are formed in the upper end face and the lower end face of the fixed core block (4), limiting pins (10) corresponding to the limiting holes (4.3) are respectively fixed on opposite faces of the upper die plate (3) and the lower die plate (2), and the limiting pins (10) are inserted into the limiting holes (4.3).
5. The quick riveting device for gear shaft bearing retainer rings according to claim 4, wherein: the limiting pin (10) is sleeved with a second spring (11), one end of the second spring (11) on the limiting pin (10) of the upper die plate (3) is propped against the upper die plate (3), and the other end is propped against the fixed core block (4); one end of a second spring (11) on the limiting pin (10) of the lower die plate (2) is propped against the lower die plate (2), and the other end is propped against the fixed core block (4).
6. The quick riveting device for gear shaft bearing retainer rings according to claim 1, wherein: the upper surface of the upper template (3) is connected with a tool die handle (5).
7. The quick riveting device for gear shaft bearing retainer rings according to claim 1, wherein: one end of an upper sliding groove (9) of the upper template (3) penetrates through the lower surface of the upper template (3), and one end of the upper sliding groove (9) of the lower template (2) penetrates through the upper surface of the lower template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320368754.7U CN219852999U (en) | 2023-03-02 | 2023-03-02 | Gear shaft bearing retainer ring quick riveting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320368754.7U CN219852999U (en) | 2023-03-02 | 2023-03-02 | Gear shaft bearing retainer ring quick riveting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219852999U true CN219852999U (en) | 2023-10-20 |
Family
ID=88346441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320368754.7U Active CN219852999U (en) | 2023-03-02 | 2023-03-02 | Gear shaft bearing retainer ring quick riveting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219852999U (en) |
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2023
- 2023-03-02 CN CN202320368754.7U patent/CN219852999U/en active Active
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