CN210849047U - Retainer ring mounting device for shaft - Google Patents
Retainer ring mounting device for shaft Download PDFInfo
- Publication number
- CN210849047U CN210849047U CN201920062472.8U CN201920062472U CN210849047U CN 210849047 U CN210849047 U CN 210849047U CN 201920062472 U CN201920062472 U CN 201920062472U CN 210849047 U CN210849047 U CN 210849047U
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- Prior art keywords
- retainer ring
- fixed die
- mandrel
- shaft retainer
- spring
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Abstract
A retainer ring mounting device for a shaft, which has exquisite structure and is easy to disassemble, maintain and debug, comprises an expansion pin, wherein a gear, a disc spring and a gear disc are mounted on the expansion pin; the setting is at the cover half seat that rises round pin top, connect the cover half below, can follow the dabber of longitudinal movement's setting in the cover half inside, the cover half cover has along fore-and-aft through-hole, the dabber supports on the inner wall of through-hole after packing into from the top of cover half cover, be provided with the spring between dabber and the cover half seat, the bottom of dabber exposes from the bottom of cover half cover, the bottom of dabber includes a plurality of centrosymmetric and interval distribution's fixed block, along the mobilizable voussoir that is provided with of central direction between each fixed block, the voussoir, the cover is equipped with the hook spring between the fixed block, the voussoir, the fixed block surrounds formation opening pinhole that rises downwards, the outside of every fixed block is provided with the bulb plunger, the outside cover of fixed block and voussoir is equipped with the retaining ring for the shaft.
Description
Technical Field
The utility model relates to a retaining ring installation device is used to axle.
Background
Referring to fig. 1 and 2, a shaft retainer ring 10 needs to be installed at a position of a gear slot 11, and since a disc spring 14 is arranged between a gear disc 12 and a gear 13, the disc spring 14 needs to be compressed before the shaft retainer ring 10 is installed, so that the gear slot 11 below the shaft retainer ring 10 is exposed, and the shaft retainer ring 10 is embedded into the gear slot 11, so that the gear disc 12 is limited. This conventional manual tool installation method is very difficult to operate, and therefore a mechanism is required to be designed to facilitate the installation of the shaft retainer.
Disclosure of Invention
In order to overcome the defect that exists among the prior art not enough, the utility model aims at providing a can realize axle retaining ring installation device for axle of axle retaining ring installation location fast.
In order to realize above purpose, the utility model provides a retaining ring installation device is used to axle, include: the positioning column of the expansion pin is provided with a gear, a disc spring and a gear disc, the positioning column is provided with a clamping groove, and the top of the positioning column is provided with a slope surface; the fixed die comprises a fixed die base arranged above the expansion pin, a fixed die sleeve connected below the fixed die base, and a mandrel which can move longitudinally and is arranged in the fixed die sleeve, wherein the fixed die sleeve is provided with a through hole along the longitudinal direction, the mandrel is loaded from the top end of the fixed die sleeve and then supported on the inner wall of the through hole, a spring is arranged between the mandrel and the fixed die base, the bottom end of the mandrel is exposed from the bottom end of the fixed die sleeve, the bottom end of the mandrel comprises a plurality of fixed blocks which are centrosymmetric and distributed at intervals, wedge blocks are movably arranged between the fixed blocks along the central direction, a hoop spring is sleeved between the wedge blocks and the fixed blocks to enable the wedge blocks to be elastically folded in the fixed blocks, the wedge blocks and the fixed blocks surround to form expansion pin holes with downward openings, a ball plunger is arranged outside each fixed block, and a retaining ring for a shaft is sleeved outside the fixed blocks and the wedge blocks, the ball plunger blocks the lower part of the shaft retainer ring, each wedge block is provided with a wedge surface matched with the slope surface, the wedge surface of the wedge block is positioned in the expanding pin hole, when the expanding pin is inserted into the expanding pin hole of the mandrel, the wedge block expands downwards along with the slope surface of the expanding pin to expand the shaft retainer ring correspondingly, and the fixed die sleeve overcomes the spring force to push the shaft retainer ring into the clamping groove.
Preferably, the top end of the mandrel is provided with a flange extending radially, the inner wall of the through hole of the die sleeve is provided with a step surface, and the flange of the mandrel is lapped on the step surface.
Preferably, the fixed die sleeve is provided with a bottom end surface, and the bottom end surface is matched with the shape of the shaft retainer ring.
Preferably, the bottom of the through hole of the die sleeve is provided with an expansion part, and the size of the expanded wedge block is smaller than the inner diameter of the expansion part and larger than the height of the ball plunger.
Preferably, the top of the fixed die holder is provided with an adapter rod, and the adapter rod is connected to the pressure cylinder.
Preferably, the fixed die holder and the fixed die sleeve are connected together through threads.
Preferably, the wedge block and the fixing block are externally provided with limit grooves, and the hoop spring is positioned in the limit grooves.
Preferably, the bottom surface of the fixed die holder is provided with a first spring groove, the top surface of the mandrel is provided with a second spring groove, and the spring is arranged between the first spring groove and the second spring groove.
Preferably, the top of the mandrel is provided with a first pressure gasket.
Preferably, a second pressure gasket is arranged in a spring groove of the mandrel, and the second pressure gasket is positioned at the top of the expanding pin hole.
The utility model has the advantages that: the structure of the device is exquisite, the device is easy to disassemble, maintain and debug, and the installation and the positioning of the shaft check ring can be quickly realized.
Drawings
FIG. 1 is a perspective view of a gear;
FIG. 2 is a front cross-sectional view of FIG. 1;
FIG. 3 is a main sectional view of the mounting device for a shaft retainer ring of the present invention;
FIG. 4 is a perspective view of the mounting device for a shaft retainer ring of the present invention;
FIG. 5 is a main sectional view of a stationary mold base of the shaft retainer ring mounting device of the present invention;
FIG. 6 is a main sectional view of a cover half sleeve of the shaft retainer ring mounting device of the present invention;
FIG. 7 is a perspective view of a mandrel of the device for mounting a shaft retainer ring of the present invention;
FIG. 8 is a radial cross-sectional view of FIG. 7;
FIG. 9 is an axial cross-sectional view of FIG. 7;
FIG. 10 is a perspective view of a wedge block of the device for mounting a shaft retainer ring of the present invention;
FIG. 11 is a perspective view of an expansion pin of the device for mounting a shaft retainer ring of the present invention;
fig. 12 to 17 illustrate the working principle of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1 to 2, fig. 1 is a perspective view of a gear, and fig. 2 is a front sectional view of fig. 1. The position of the gear clamping groove 11 needs to be provided with a shaft retainer ring 10, and because a disc spring 14 is arranged between the gear disc 12 and the gear 13, the disc spring 14 needs to be compressed before the shaft retainer ring 10 is arranged, so that the gear clamping groove 11 below the shaft retainer ring 10 is exposed, the shaft retainer ring 10 is embedded into the gear clamping groove 11, and the gear disc 12 is limited.
Fig. 3 is the utility model discloses axle retaining ring installation device's main cross-sectional view, fig. 4 is the utility model discloses axle retaining ring installation device's stereogram. The utility model discloses an axle is with retaining ring installation device at first adopts the round pin 15 that rises, installs gear 13, dish spring 14 and toothed disc 12 on the reference column 16 of round pin 15 that rises, has draw-in groove 11 on the reference column 16, and figure 11 does the utility model discloses axle is with retaining ring installation device's the stereogram of round pin that rises, reference column 16's top has the slope face 17 that the diameter increases gradually from the top down, and the tail end of round pin 15 that rises passes through the bolt fastening on the machined surface. A fixed die seat 1 is arranged above the expansion pin 15, a fixed die sleeve 3 is connected below the fixed die seat 1, and a mandrel 6 is arranged in the fixed die sleeve 3 and can move longitudinally.
Fig. 5 is the utility model discloses the main section of axle retaining ring installation device's cover half seat, the top of cover half seat 1 has an adapter bar 18, and adapter bar 18 connects in the pressure cylinder, and the periphery of cover half seat 1 and the inner wall of cover half cover 3 pass through threaded connection and are in the same place.
Fig. 6 is the utility model discloses axle retaining ring installation device's cover half cover's main section view, cover half 3 have along fore-and-aft through-hole 19, and cover half 3 has bottom face 20, bottom face 20 and axle retaining ring 10's shape phase-match to push away axle retaining ring 10. The top end of the mandrel 6 is provided with a flange 21 extending in the radial direction, the inner wall of the through hole 19 of the fixed die sleeve 3 is provided with a step surface 22, the mandrel 6 is loaded from the top end of the fixed die sleeve 3 and then supported on the inner wall of the through hole 19, and the flange 21 of the mandrel 6 is lapped and seated on the step surface 22; in addition, the bottom of the through hole 19 of the fixed mold housing 3 has an expanded diameter portion 23.
Fig. 7 is a perspective view of a mandrel of the shaft retainer ring mounting device of the present invention, fig. 8 is a longitudinal sectional view of fig. 7, and fig. 9 is a transverse sectional view of fig. 7. The bottom surface of the fixed die holder 1 is provided with a first spring groove 24, the top surface of the mandrel 6 is provided with a second spring groove 25, the spring 2 is arranged between the first spring groove 24 and the second spring groove 25, the top of the mandrel 6 is provided with a first pressure gasket 4, the spring 2 penetrates through the first pressure gasket 4, so that the ascending distance of the mandrel 6 can be adjusted, the second spring groove 25 of the mandrel 6 is provided with a second pressure gasket 25, the second pressure gasket 25 is positioned at the top of the expanding pin hole 28, and the inserting depth of the expanding pin 15 can be adjusted. The bottom end of the mandrel 6 is exposed from the bottom end of the fixed die sleeve 3, the bottom end of the mandrel 6 comprises a plurality of fixed blocks 26 which are centrosymmetric and distributed at intervals, wedge blocks 7 are movably arranged between the fixed blocks 26 along the central direction, limiting grooves 27 are formed in the outer portions of the wedge blocks 7 and the fixed blocks 26, the hoop springs 8 are located in the limiting grooves 27 so that the wedge blocks 7 can be elastically folded in the fixed blocks 26, the wedge blocks 7 and the fixed blocks 26 surround to form expanding pin holes 28 with downward openings, a ball plunger 9 is arranged on the outer portion of each fixed block 26, shaft check rings 10 are sleeved on the outer portions of the fixed blocks 26 and the wedge blocks 7, and the ball plunger 9 blocks the lower portions.
FIG. 10 is a perspective view of a wedge block of the device for mounting a shaft retainer ring of the present invention; each wedge block 7 is provided with a wedge surface 29 matched with the slope surface 17, the wedge surface 29 of each wedge block 7 is positioned in the expanding pin hole 28, when the expanding pin 15 is inserted into the expanding pin hole 28 of the mandrel 6, the wedge blocks 7 are driven by the slope surfaces 17 of the expanding pin 15 to spread downwards and around to enable the shaft retainer ring 10 to be correspondingly expanded, the expanded size of the wedge blocks 7 is smaller than the inner diameter of the expansion part 23 and larger than the height of the ball plunger 9, and the fixed die sleeve 3 overcomes the elasticity of the spring 2 to push the shaft retainer ring 10 into the clamping groove 11.
Fig. 12 to 17 illustrate the working principle of the present invention.
As shown in fig. 12, a gear 13 is positioned on an expansion pin 15, a disc spring 14 and a gear disc 12 are sequentially placed in the expansion pin, a shaft retainer ring 10 is installed on a shaft retainer ring installation device, and a ball plunger 9 prevents the shaft retainer ring 10 from falling;
as shown in fig. 13, when the shaft check ring installation device is pressed down by the cylinder, in the descending process of the shaft check ring installation device, 6 axially and uniformly distributed wedge blocks 7 radially expand under the radial force of the expansion pins 15, the shaft check ring 10 installed on the wedge blocks 7 is correspondingly expanded, and the size of an inner hole is slightly larger than that of a gear shaft;
as shown in fig. 14, the cylinder continues to press the retainer ring mounting device for the shaft down until the bottom end surface of the mandrel 6 contacts the peripheral end surface of the gear;
as shown in fig. 15 and fig. 16, the cylinder continues to move downward, the spring 2 in the shaft check ring installation device is compressed, the mandrel 6 floats upward until contacting with the first pressure gasket 24, and in the process of moving downward, compressing the spring 2 and floating the mandrel 6, the fixed die sleeve 3 presses on the gear disc 12 and compresses the disc spring 14 until the stroke of the cylinder is finished, at this time, the shaft check ring 10 is slightly lower than the clamping groove 11, and under the action of the self-contraction force of the shaft check ring 10, the shaft check ring 10 is automatically embedded into the gear clamping groove 11;
as shown in fig. 17, the retainer ring mounting device for the cylinder drive shaft is lifted and restored, and in this process, the wedge 7 is separated from the expanding pin 15, and is restored by the hoop spring 8, and the mandrel is lowered and restored by the spring 2.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. A retainer ring mounting device for a shaft, comprising:
the positioning column of the expansion pin is provided with a gear, a disc spring and a gear disc, the positioning column is provided with a clamping groove, and the top of the positioning column is provided with a slope surface;
the fixed die comprises a fixed die base arranged above the expansion pin, a fixed die sleeve connected below the fixed die base, and a mandrel which can move longitudinally and is arranged in the fixed die sleeve, wherein the fixed die sleeve is provided with a through hole along the longitudinal direction, the mandrel is loaded from the top end of the fixed die sleeve and then supported on the inner wall of the through hole, a spring is arranged between the mandrel and the fixed die base, the bottom end of the mandrel is exposed from the bottom end of the fixed die sleeve, the bottom end of the mandrel comprises a plurality of fixed blocks which are centrosymmetric and distributed at intervals, wedge blocks are movably arranged between the fixed blocks along the central direction, a hoop spring is sleeved between the wedge blocks and the fixed blocks to enable the wedge blocks to be elastically folded in the fixed blocks, the wedge blocks and the fixed blocks surround to form expansion pin holes with downward openings, a ball plunger is arranged outside each fixed block, and a retaining ring for a shaft is sleeved outside the fixed blocks and the wedge blocks, the ball plunger blocks the lower part of the shaft retainer ring, each wedge block is provided with a wedge surface matched with the slope surface, the wedge surface of the wedge block is positioned in the expanding pin hole, when the expanding pin is inserted into the expanding pin hole of the mandrel, the wedge block expands downwards along with the slope surface of the expanding pin to expand the shaft retainer ring correspondingly, and the fixed die sleeve overcomes the spring force to push the shaft retainer ring into the clamping groove.
2. The shaft retainer ring mounting apparatus according to claim 1, wherein: the top end of the mandrel is provided with a flange extending in the radial direction, the inner wall of the through hole of the die sleeve is provided with a step surface, and the flange of the mandrel is lapped on the step surface.
3. The shaft retainer ring mounting apparatus according to claim 1, wherein: the fixed die sleeve is provided with a bottom end surface, and the bottom end surface is matched with the shape of the shaft retainer ring.
4. The shaft retainer ring mounting apparatus according to claim 1, wherein: the bottom of the through hole of the fixed die sleeve is provided with an expansion part, and the size of the expanded wedge block is smaller than the inner diameter of the expansion part and larger than the height of the ball plunger.
5. The shaft retainer ring mounting apparatus according to claim 1, wherein: the top of the fixed die holder is provided with an adapter rod, and the adapter rod is connected to the pressure cylinder.
6. The shaft retainer ring mounting apparatus according to claim 1, wherein: the fixed die holder and the fixed die sleeve are connected together through threads.
7. The shaft retainer ring mounting apparatus according to claim 1, wherein: limiting grooves are formed in the outer portions of the wedge block and the fixing block, and the hoop spring is located in the limiting grooves.
8. The shaft retainer ring mounting apparatus according to claim 1, wherein: the bottom surface of the fixed die holder is provided with a first spring groove, the top surface of the mandrel is provided with a second spring groove, and the spring is arranged between the first spring groove and the second spring groove.
9. The shaft retainer ring mounting apparatus according to claim 1, wherein: the top of the mandrel is provided with a first pressure gasket.
10. The shaft retainer ring mounting apparatus according to claim 1, wherein: and a second pressure gasket is arranged in a spring groove of the mandrel and is positioned at the top of the pin expansion hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920062472.8U CN210849047U (en) | 2019-01-15 | 2019-01-15 | Retainer ring mounting device for shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920062472.8U CN210849047U (en) | 2019-01-15 | 2019-01-15 | Retainer ring mounting device for shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210849047U true CN210849047U (en) | 2020-06-26 |
Family
ID=71287700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920062472.8U Active CN210849047U (en) | 2019-01-15 | 2019-01-15 | Retainer ring mounting device for shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210849047U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454428A (en) * | 2019-01-15 | 2019-03-12 | 苏州托克斯冲压设备有限公司 | Shaft block ring mounting device |
| CN114406545A (en) * | 2022-02-17 | 2022-04-29 | 洛阳理工学院 | Sliding type vehicle body welding positioning pin workbench |
-
2019
- 2019-01-15 CN CN201920062472.8U patent/CN210849047U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454428A (en) * | 2019-01-15 | 2019-03-12 | 苏州托克斯冲压设备有限公司 | Shaft block ring mounting device |
| CN114406545A (en) * | 2022-02-17 | 2022-04-29 | 洛阳理工学院 | Sliding type vehicle body welding positioning pin workbench |
| CN114406545B (en) * | 2022-02-17 | 2023-12-08 | 洛阳理工学院 | Sliding type workbench for welding positioning pin on car body |
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