CN111037277B - Shock absorber assembling tool and assembling method thereof - Google Patents
Shock absorber assembling tool and assembling method thereof Download PDFInfo
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- CN111037277B CN111037277B CN201911128611.3A CN201911128611A CN111037277B CN 111037277 B CN111037277 B CN 111037277B CN 201911128611 A CN201911128611 A CN 201911128611A CN 111037277 B CN111037277 B CN 111037277B
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- guide post
- shock absorber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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Abstract
The invention belongs to the technical field of tool practicability and discloses a shock absorber assembling tool which comprises a guide post, a guide sleeve, an end cover and a spring, wherein the guide post is of a stepped cylindrical structure, and the outer diameter of the upper end of the guide post is the largest, the outer diameter of the middle end of the guide post is the next largest, and the outer diameter of the lower end of the guide post is the smallest; the upper end of the guide post extends into the guide sleeve, the guide sleeve is of a cylindrical structure with an upper opening and a lower opening, the lower opening is a stepped hole in clearance fit with the upper end and the middle end of the guide post, and the guide post can move up and down in the guide sleeve; the end cover is in threaded connection with the upper end of the guide sleeve; the lower end face of the end cover is provided with a first blind hole, the upper end face of the guide post is provided with a second blind hole, and the spring is contained in the first blind hole and the second blind hole. The shock absorber assembling tool provided by the invention can be used for accurately and conveniently completing the installation of the shock absorber, has a simple tool structure, is convenient to operate, replaces manpower with tools, and improves the assembling accuracy and the production efficiency.
Description
Technical Field
The invention relates to the technical field of tool practicability, in particular to a shock absorber assembling tool and a shock absorber assembling method.
Background
Shock absorbers are devices used to reduce the impact of a shock on a piece of equipment, thereby protecting the equipment from the effects of the shock or damage. FIG. 6 is a schematic view of a conventional shock absorber and its installation position on a shock absorbing device in the prior art, wherein the shock absorber includes a limiting sleeve, a limiting pad, an upper shock absorbing net and a lower shock absorbing net; the upper and lower shock absorption nets are elastic metal nets, one end of the limiting sleeve is a flange surface, the other end of the limiting sleeve is a cylinder, and a port of the cylinder is a spigot. During assembly, after the limiting sleeve sequentially penetrates through the lower damping net, the lug of the damping equipment and the upper damping net, the limiting pad is in interference fit with the spigot of the limiting sleeve, and the upper and lower damping nets are controlled between the limiting pad and the flange face of the limiting sleeve, so that a damping effect is achieved.
In the prior art, a limiting sleeve seam allowance of a shock absorber is connected with a limiting pad in an interference fit manner, in order to achieve a shock absorption effect, after the limiting sleeve sequentially passes through a lower shock absorption net, a shock absorption equipment lug and an upper shock absorption net, the net surface of the upper shock absorption net is higher than the seam allowance of the limiting sleeve, and due to the elastic supporting force of the upper shock absorption net, the limiting pad cannot be fixedly centered with the limiting sleeve; during installation, workers can only adjust the installation position according to visual observation, the assembly efficiency is low, the centering error is large, the direct assembly is easy to cause improper fit under the condition of no freedom degree limitation, the shock absorber is scrapped, and the assembly quality is difficult to guarantee; the bumper shock absorber is installed on a plurality of ears of equipment, through artifical according to experience installation bumper shock absorber, the uniformity of installation is difficult to guarantee, causes the unstability of shock attenuation equipment easily, leads to the damage of shock attenuation equipment.
Disclosure of Invention
In order to solve the problems, the invention provides the shock absorber assembling tool and the assembling method thereof, which have the advantages of simple structure and flexible operation, and the tool is used for replacing manpower, so that the assembling efficiency and quality are ensured.
The technical scheme adopted by the invention is as follows:
a shock absorber assembling tool comprises a guide post, a guide sleeve, an end cover and a spring, wherein the guide post is of a stepped cylindrical structure, and the outer diameter of the upper end of the guide post is the largest, the outer diameter of the middle end of the guide post is the second largest, and the outer diameter of the lower end of the guide post is the smallest; the upper end of the guide post extends into the guide sleeve, the guide sleeve is of a cylindrical structure with an upper opening and a lower opening, the lower opening is a stepped hole in clearance fit with the upper end and the middle end of the guide post, and the guide post can move up and down in the guide sleeve; the end cover is in threaded connection with the upper end of the guide sleeve; the lower end face of the end cover is provided with a first blind hole, the upper end face of the guide post is provided with a second blind hole, and the spring is contained in the first blind hole and the second blind hole.
According to the shock absorber assembling tool, the guide post is in clearance fit with the guide sleeve, the guide post plays a role in guiding the guide sleeve, and assembling accuracy is improved; the blind holes are formed in the lower end face of the end cover and the upper end face of the guide post, so that the spring is fixed in the blind holes, the blind holes limit the left and right shaking of the spring in the assembling process, and the stability and the assembling precision of the tool are improved; the tool can accurately and conveniently complete the installation of the shock absorber, has a simple structure, is convenient to operate, replaces manpower with tools, and improves the accuracy and the production efficiency of assembly.
Preferably, the outer diameter of the upper end of the end cover is larger than the inner diameter of the guide sleeve, the end cover is sleeved with a locking ring, and the locking ring is in threaded connection with the end cover and is used for locking the relative position of the end cover and the guide sleeve. The tool is frequently used, the threads between the end cover and the guide sleeve are easy to loosen due to repeated stamping, and the relative position is changed, so that the assembling accuracy is influenced; the locking ring is sleeved on the end cover, after the end cover is screwed into the proper position of the guide sleeve, the locking ring is screwed to the upper end surface of the guide sleeve, and the relative position of the end cover and the guide sleeve is locked in a double-nut locking-like mode, so that the assembly accuracy of the tool is ensured; and the spring is easy to deform in the repeated compression-reset process, the length of the end cover screwed into the guide sleeve needs to be adjusted to adjust the elasticity of the spring, and after the length of the end cover screwed into the guide sleeve is adjusted, the locking ring can realize the secondary locking of the end cover and the guide sleeve.
Preferably, the length of the guide column is 17.5mm, the outer diameter of the upper end of the guide column is 7.9mm, the outer diameter of the middle end of the guide column is 5.8mm, and the outer diameter of the lower end of the guide column is 4.12 mm; preferably, the length of the guide sleeve is 17mm, and the size of a fit clearance between an opening at the lower end of the guide sleeve and the upper end and the middle end of the guide column is 0.05 mm; the size accurate design can guarantee the centering performance of the tool assembly positioning, the shock absorber is assembled in place more accurately, and the assembly accuracy is improved.
Preferably, the depth of the first blind hole is 6mm, and the inner diameter is 5.2 mm; the depth of the second blind hole is 6mm, and the inner diameter of the second blind hole is 5.2 mm; preferably, the spring has a diameter of 5mm and a length of 18mm in a free state. The size cooperation of first blind hole, second blind hole, spring has restricted rocking about the spring, has improved the stability and the assembly precision of frock
Preferably, the material of bumper shock absorber assembly fixture is 1Cr18Ni9Ti stainless steel, and guide post and guide pin bushing sliding fit can lead to wearing and tearing repeatedly using, uses a little lubricating grease maintenance to reach the effect of long-term use.
The invention also discloses a shock absorber assembling method using the shock absorber assembling tool, which comprises the following steps:
a. sleeving a lower damping net of the damper on a limiting sleeve, and sleeving an upper damping net on the limiting sleeve after the sleeve end of the limiting sleeve passes through a lug of damping equipment;
b. placing a limiting pad of a shock absorber at the middle end of the guide post, and extending the lower end of the guide post into an inner hole of a limiting sleeve, wherein the inner hole of the limiting sleeve is in clearance fit with the lower end of the guide post;
c. the upper end face of the end cover is instantaneously stamped through the stamping rod, the middle end of the guide post is limited by the limiting sleeve to stop moving, and the guide sleeve continues to move under the stamping action until the limiting sleeve is pushed to cover the spigot of the limiting sleeve, so that the assembly is completed;
d. after the assembly is finished, the spring drives the guide sleeve to return to the initial state.
According to the shock absorber assembling tool, the guide post is accurately matched with the guide sleeve, and in the assembling process of a shock absorber, the guide post plays a role in guiding the guide sleeve and the limiting pad of the shock absorber, so that the limiting pad of the shock absorber is accurately centered with the limiting sleeve, and a key role is played in completing the interference fit of the limiting sleeve and the limiting pad of the shock absorber; the assembly is finished by instant one-time stamping, the force is controllable, the assembly time is shortened, and the assembly accuracy is improved; the shock absorber assembling tool provided by the invention can be used for smoothly finishing the installation of the shock absorber, has a simple structure, is convenient to operate, replaces manpower with tools, and improves the assembling accuracy and the production efficiency.
Drawings
FIG. 1 is a schematic structural view of the tool of the present invention;
FIG. 2 is a schematic structural diagram of the shock absorber in an initial state when the tool of the present invention is used for assembling the shock absorber;
FIG. 3 is a schematic structural view of the lower end of the tool guide post of the present invention extending into the inner bore of the limit sleeve;
FIG. 4 is a schematic structural view of the tool of the present invention pushing a limit pad into a limit sleeve seam allowance;
FIG. 5 is a schematic structural view of the tool of the present invention after completing the assembly of the shock absorber;
fig. 6 is a schematic view of a conventional shock absorber and its installation position on a shock absorbing device in the prior art.
Reference numerals: 1. a guide post; 2. a guide sleeve; 3. an end cap; 4. a spring; 5. a first blind hole; 6. a second blind hole; 7, locking a ring; 8. a tab; 9. a lower shock-absorbing net; 10. a limiting sleeve; 11. an inner hole of the limiting sleeve; 12. mounting a damping net; 13. a limiting pad; 14. limiting a spigot of the sleeve; 15. a stamping rod; 16. a shock absorbing device; 17 shock absorber assembly fixture.
Detailed Description
The invention aims to provide a shock absorber assembling tool and a shock absorber assembling method, which are simple in structure and flexible to operate, and the efficiency and the quality of assembling are ensured by replacing manpower with tools.
In order that those skilled in the art will be better able to understand the present invention, the following detailed description of the invention is given in conjunction with the accompanying drawings.
A shock absorber assembling tool comprises a guide post 1, a guide sleeve 2, an end cover 3 and a spring 4, wherein the guide post 1 is of a stepped cylindrical structure, and the outer diameter of the upper end is the largest, the outer diameter of the middle end is the next largest, and the outer diameter of the lower end is the smallest; the upper end of the guide post 1 extends into the guide sleeve 2, the guide sleeve 2 is of a cylindrical structure with an upper opening and a lower opening, the lower opening is a stepped hole in clearance fit with the upper end and the middle end of the guide post 1, and the guide post 1 can move up and down in the guide sleeve 2; the end cover 3 is in threaded connection with the upper end of the guide sleeve 2; a first blind hole 5 is formed in the lower end face of the end cover 3, a second blind hole 6 is formed in the upper end face of the guide post 1, and the spring 4 is accommodated in the first blind hole 5 and the second blind hole 6; the blind holes are formed in the lower end face of the end cover 3 and the upper end face of the guide post 1, the spring 4 is fixed in the blind holes, and the blind holes limit the left and right shaking of the spring 4 in the assembling process, so that the stability and the assembling precision of the tool are improved; the depth of the first blind hole 5 is 6mm, and the inner diameter is 5.2 mm; the depth of the second blind hole 6 is 6mm, and the inner diameter is 5.2 mm; the diameter of the spring 4 is 5 mm.
The tool is frequently used, the threads between the end cover 3 and the guide sleeve 2 are easy to loosen due to repeated stamping, and the relative position is changed, so that the assembly accuracy is influenced; the locking ring 7 is sleeved on the end cover 3, after the end cover 3 is screwed into the proper position of the guide sleeve 2, the locking ring 7 is screwed to the upper end surface of the guide sleeve 2, and the relative position of the end cover 3 and the guide sleeve 2 is locked in a manner similar to double nut locking, so that the accuracy of tool assembly is ensured; the spring 4 is easy to deform in the repeated compression-reset process, the length of the end cover 3 screwed into the guide sleeve 2 needs to be adjusted to adjust the elasticity of the spring 4, and the locking ring 7 can realize the secondary locking of the end cover 3 and the guide sleeve 2 after the end cover 3 is screwed into the guide sleeve 2 for adjusting the length.
The guide sleeve 2 is in clearance fit with the upper end and the middle end of the guide column 1, the size of the clearance is 0.05mm, the length of the guide column 1 is 17.5mm, the outer diameter of the upper end is 7.9mm, the outer diameter of the middle end is 5.8mm, and the outer diameter of the lower end is 4.12 mm; the length of the guide sleeve 2 is 17mm, and the size of a fit clearance between an opening at the lower end of the guide sleeve 2 and the upper end and the middle end of the guide column 1 is 0.05 mm; the size accurate design can guarantee the centering performance of the tool assembly positioning, the shock absorber is assembled in place more accurately, and the assembly accuracy is improved.
The material of bumper shock absorber assembly fixture is 1Cr18Ni9Ti stainless steel, and guide post 1 and guide pin bushing 2 sliding fit can lead to wearing and tearing repeatedly using, uses a little lubricating grease maintenance to reach the effect of long-term use.
The invention also discloses a shock absorber assembling method using the shock absorber assembling tool, which comprises the following steps:
a. sleeving a lower damping net 9 of the damper on a limiting sleeve 10, penetrating the sleeve end of the limiting sleeve 10 through a lug 8 of damping equipment, and sleeving an upper damping net 12 on the limiting sleeve 10;
b. a limiting pad 13 of the shock absorber is placed at the middle end of the guide post 1, the lower end of the guide post 1 extends into an inner hole 11 of a limiting sleeve 10, the inner hole 11 of the limiting sleeve and the lower end of the guide post 1 are in clearance fit, and the size of the clearance is 0.04 mm;
c. the upper end face of the end cover 3 is instantaneously stamped through a stamping rod 15, the middle end of the guide post 1 is limited by a limiting sleeve 10 to stop moving, and the guide sleeve 2 continues to move under the stamping action until a limiting pad 13 is pushed to be sleeved into a spigot 14 of the limiting sleeve 10, so that the assembly is completed;
d. after the assembly is finished, the spring 4 drives the guide sleeve 2 to return to the initial state.
The shock absorber assembling tool provided by the invention can be used for completing the assembling task of hundreds of sets of shock absorbers by crimping or hammering and stamping, the product can reach the qualified standard all at once, and the assembling efficiency and quality of the shock absorber are improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "middle", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only created and simplified for the purpose of describing the present invention, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the creation of the present invention.
The shock absorber assembling tool and the assembling method thereof provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and central concepts of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. A shock absorber assembling tool comprises a guide post, a guide sleeve, an end cover and a spring, and is characterized in that the guide post is of a stepped cylindrical structure, and the outer diameter of the upper end of the guide post is the largest, the outer diameter of the middle end of the guide post is the next largest, and the outer diameter of the lower end of the guide post is the smallest; the upper end of the guide post extends into the guide sleeve, a limiting pad of the shock absorber is placed at the middle end of the guide post, the lower end of the guide post extends into an inner hole of a limiting sleeve of the shock absorber, the inner hole of the limiting sleeve is in clearance fit with the lower end of the guide post, the guide sleeve is of a cylindrical structure with an upper opening and a lower opening, the lower opening is a stepped hole in clearance fit with the upper end and the middle end of the guide post, and the guide post can move up and down in the guide sleeve; the end cover is in threaded connection with the upper end of the guide sleeve; the lower end face of the end cover is provided with a first blind hole, the upper end face of the guide post is provided with a second blind hole, and the spring is contained in the first blind hole and the second blind hole.
2. The shock absorber assembling tool according to claim 1, wherein the outer diameter of the upper end of the end cover is larger than the inner diameter of the guide sleeve, the end cover is sleeved with a locking ring, and the locking ring is in threaded connection with the end cover and used for locking the relative position of the end cover and the guide sleeve.
3. The shock absorber assembling tool according to claim 1, wherein the length of the guide column is 17.5mm, the outer diameter of the upper end of the guide column is 7.9mm, the outer diameter of the middle end of the guide column is 5.8mm, and the outer diameter of the lower end of the guide column is 4.12 mm.
4. The shock absorber assembling tool according to claim 1, wherein the length of the guide sleeve is 17mm, and the size of a fit clearance between an opening at the lower end of the guide sleeve and the upper end and the middle end of the guide column is 0.05 mm.
5. The shock absorber assembling tool according to claim 1, wherein the depth of the first blind hole is 6mm, and the inner diameter is 5.2 mm; the second blind hole is 6mm in depth and 5.2mm in inner diameter.
6. The shock absorber assembling tool according to claim 1, wherein the diameter of the spring is 5 mm.
7. The shock absorber assembling tool according to claim 1, wherein the shock absorber assembling tool is made of 1Cr18Ni9Ti stainless steel.
8. A shock absorber assembling method using the shock absorber assembling tool according to any one of claims 1 to 7, comprising the steps of:
a. sleeving a lower damping net of the damper on a limiting sleeve, and sleeving an upper damping net on the limiting sleeve after the sleeve end of the limiting sleeve passes through a lug of damping equipment;
b. placing a limiting pad of a shock absorber at the middle end of the guide post, and extending the lower end of the guide post into an inner hole of a limiting sleeve, wherein the inner hole of the limiting sleeve is in clearance fit with the lower end of the guide post;
c. the upper end face of the end cover is instantaneously stamped through the stamping rod, the middle end of the guide post is limited by the limiting sleeve to stop moving, and the guide sleeve continues to move under the stamping action until the limiting sleeve is pushed to cover the spigot of the limiting sleeve, so that the assembly is completed;
d. after the assembly is finished, the spring drives the guide sleeve to return to the initial state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911128611.3A CN111037277B (en) | 2019-11-18 | 2019-11-18 | Shock absorber assembling tool and assembling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911128611.3A CN111037277B (en) | 2019-11-18 | 2019-11-18 | Shock absorber assembling tool and assembling method thereof |
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| Publication Number | Publication Date |
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| CN111037277A CN111037277A (en) | 2020-04-21 |
| CN111037277B true CN111037277B (en) | 2022-01-21 |
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| CN201911128611.3A Active CN111037277B (en) | 2019-11-18 | 2019-11-18 | Shock absorber assembling tool and assembling method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2504953A1 (en) * | 1975-02-06 | 1976-08-19 | Monroe Auto Equipment Co | Composite compensating shock absorber - has membrane with one end fitted to main body and other turned-over end to mud shield |
| CN202571778U (en) * | 2012-01-31 | 2012-12-05 | 长城汽车股份有限公司 | Device for forming and assembling ball pins at one step |
| CN107255118A (en) * | 2017-07-26 | 2017-10-17 | 珠海格力节能环保制冷技术研究中心有限公司 | The rotor of magnetic suspension bearing and its assembly tooling and assembly method |
| CN107263063A (en) * | 2017-07-06 | 2017-10-20 | 成都联创精密机械有限公司 | A kind of plug-type damper bottom pressing machine |
| CN108637684A (en) * | 2016-11-22 | 2018-10-12 | 东莞理工学院 | A kind of shaft gear automatic assembling machine facilitating feeding |
| CN207971651U (en) * | 2017-07-31 | 2018-10-16 | 成都市阿李科技有限公司 | A kind of damper assembling device |
| CN110421078A (en) * | 2019-08-30 | 2019-11-08 | 无锡飞万刀具有限公司 | Elastic cylindrical pin mounting device |
-
2019
- 2019-11-18 CN CN201911128611.3A patent/CN111037277B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2504953A1 (en) * | 1975-02-06 | 1976-08-19 | Monroe Auto Equipment Co | Composite compensating shock absorber - has membrane with one end fitted to main body and other turned-over end to mud shield |
| CN202571778U (en) * | 2012-01-31 | 2012-12-05 | 长城汽车股份有限公司 | Device for forming and assembling ball pins at one step |
| CN108637684A (en) * | 2016-11-22 | 2018-10-12 | 东莞理工学院 | A kind of shaft gear automatic assembling machine facilitating feeding |
| CN107263063A (en) * | 2017-07-06 | 2017-10-20 | 成都联创精密机械有限公司 | A kind of plug-type damper bottom pressing machine |
| CN107255118A (en) * | 2017-07-26 | 2017-10-17 | 珠海格力节能环保制冷技术研究中心有限公司 | The rotor of magnetic suspension bearing and its assembly tooling and assembly method |
| CN207971651U (en) * | 2017-07-31 | 2018-10-16 | 成都市阿李科技有限公司 | A kind of damper assembling device |
| CN110421078A (en) * | 2019-08-30 | 2019-11-08 | 无锡飞万刀具有限公司 | Elastic cylindrical pin mounting device |
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| CN111037277A (en) | 2020-04-21 |
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