CN110576307A - Press mounting tool for split elastic pin - Google Patents
Press mounting tool for split elastic pin Download PDFInfo
- Publication number
- CN110576307A CN110576307A CN201910960044.1A CN201910960044A CN110576307A CN 110576307 A CN110576307 A CN 110576307A CN 201910960044 A CN201910960044 A CN 201910960044A CN 110576307 A CN110576307 A CN 110576307A
- Authority
- CN
- China
- Prior art keywords
- pressure head
- head
- guide sleeve
- elastic pin
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007704 transition Effects 0.000 claims 1
- 238000012797 qualification Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B23P19/027—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 using hydraulic or pneumatic means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The press-mounting tool for the split elastic pin comprises a machine base, a driving mechanism, a pressure head and a guide sleeve, wherein a top plate and a bottom plate are respectively and horizontally arranged above and below the machine base, the driving mechanism is arranged on the top plate, the pressure head and the guide sleeve are both positioned between the top plate and the bottom plate, one end of the pressure head is connected with the driving mechanism, the driving mechanism drives the pressure head to ascend and descend, the other end of the pressure head can be inserted into the guide sleeve in a relatively sliding manner, the bottom of the guide sleeve is provided with a guide head, a small hole and a large hole are sequentially formed from the bottom end to the top end of the guide head, a gradually-transitional inclined plane is arranged at the joint of the small hole and the large hole, the bottom of the pressure head is vertically connected with a pressure shaft aligned with the large hole, the diameter of the pressure shaft is not larger than that of the small hole, the length of the pressure shaft which can be inserted into the guide head is not smaller than that of the guide head, and the side surface of the guide sleeve is provided with a notch which is convenient for placing an elastic opening pin into the large hole of the. The split elastic pin press-fitting tool can improve the assembly efficiency and the qualification rate.
Description
Technical Field
The invention relates to the technical field of mechanical assembly, in particular to a press-fitting tool for a split elastic pin.
Background
The split elastic pin is a headless hollow cylinder, is axially grooved, has chamfers at the end parts of two ends, is used for positioning, connecting, fixing and the like of parts, and has good elasticity and shearing resistance, and the outer diameter of the pin is slightly larger than the assembly aperture. At present, when the split elastic pin is assembled, the split elastic pin is usually required to be manually clamped and aligned with a corresponding assembling hole, the split elastic pin is knocked by the other hand, and the split elastic pin is knocked into the assembling hole.
Disclosure of Invention
The invention aims to provide a press-fitting tool for split elastic pins, which can improve the assembly efficiency and the yield.
In order to solve the technical problems, the invention adopts the following technical scheme: an opening elastic pin press-mounting tool comprises a machine base, a driving mechanism, a pressure head and a guide sleeve, wherein a top plate and a bottom plate are respectively horizontally arranged above and below the machine base, the driving mechanism is installed on the top plate, the pressure head and the guide sleeve are both positioned between the top plate and the bottom plate, one end of the pressure head is connected with the driving mechanism, the driving mechanism drives the pressure head to ascend and descend, the other end of the pressure head can be relatively inserted into the guide sleeve in a sliding manner, a guide head is arranged at the bottom of the guide sleeve, small holes and large holes are sequentially formed from the bottom end to the top end of the guide head, a gradually-transitional inclined surface is arranged at the joint of the small holes and the large holes, a pressure shaft aligned with the large holes is vertically connected to the bottom of the pressure head, the diameter of the pressure shaft is not larger than that of the small holes, and the length of the pressure, the side surface of the guide sleeve is provided with a notch which is convenient for placing the split elastic pin into the big hole of the guide head.
Further, aforementioned opening elastic pin pressure equipment instrument still includes guide rail mechanism, guide rail mechanism includes guide rail, slider and connecting rod, the guide rail is vertical to be installed on the side of frame towards the pressure head, slider sliding connection is on the guide rail, the connecting rod level sets up, the one end and the slider fixed connection of connecting rod, the other end and the pressure head fixed connection of connecting rod.
Furthermore, the driving mechanism adopts an air cylinder, and a piston rod of the air cylinder is fixedly connected with the pressure head.
Furthermore, the guide sleeve is in clearance fit with the pressure head, a sliding groove is longitudinally formed in one side of the pressure head, a round hole corresponding to the sliding groove is formed in the side wall of the guide sleeve, and a limiting rod capable of sliding in the sliding groove is assembled in the round hole.
The press-fitting tool for the split elastic pin has simple structure and convenient use, drives the pressing head to drive the pressing shaft to move downwards by utilizing the driving mechanism, automatically presses the split elastic pin arranged in the guide head into the assembling hole of the workpiece, the whole press fitting process does not need to manually clamp the split elastic pin and hold the hammer for knocking and assembling, the labor intensity of an operator can be reduced, the working efficiency is improved, in the press fitting tool, the driving mechanism can also ensure that the pressure head reliably moves in the vertical direction without deviation, so that the split elastic pin can vertically enter the fitting hole, the press-fitting tool can also accurately control the press-fitting distance of the press shaft by controlling the working time of the driving mechanism, the split elastic pin is assembled in the assembling hole of the workpiece at the designated height, and comprehensively, the press fitting tool can effectively improve the qualified rate of assembly.
Drawings
FIG. 1 is a schematic structural view of a press-fitting tool for split elastic pins according to the present invention;
fig. 2 is a longitudinal sectional view of a guide bush in the split spring pin press-fitting tool according to the present invention.
The reference signs are:
A-split spring pin
1-machine base 2-driving mechanism 3-pressure head
3 a-chute 4-guide sleeve 4 a-small hole
4 b-big hole 4 c-gap 4 d-limiting rod
5-top plate 6-bottom plate 7-press shaft
8-guide rail 9-slide block 10-connecting rod.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, 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, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or interconnected between two elements, directly or indirectly through intervening media, and the specific meaning of the terms may be understood by those skilled in the art according to their specific situation.
As shown in fig. 1 and 2, a press-fitting tool for split elastic pins comprises a machine base 1, a driving mechanism 2, a pressure head 3 and a guide sleeve 4, wherein a top plate 5 and a bottom plate 6 are respectively horizontally arranged above and below the machine base 1, the top plate 5 is used for installing the driving mechanism 2, the bottom plate 6 is used for placing a workpiece to be assembled with a split elastic pin a, the pressure head 3 and the guide sleeve 4 are both positioned between the top plate 5 and the bottom plate 6, one end of the pressure head 3 is connected with the driving mechanism 2, the driving mechanism 2 is used for driving the pressure head 3 to ascend and descend, the other end of the pressure head 3 can be relatively inserted into the guide sleeve 4 in a sliding manner, the bottom of the guide sleeve 4 is provided with a guide head, a small hole 4a and a large hole 4b are sequentially formed from the bottom end to the top end of the guide head, a gradually transitional inclined surface is arranged at the joint of the small hole 4a and the large hole, the side surface of the guide sleeve 4 is provided with a notch 4c which is convenient for placing the split elastic pin a into the large hole 4b of the guide head, it should be noted that, in order to ensure that the split elastic pin a is smoothly fed into the guide sleeve 4 through the notch 4c and placed into the large hole 4b, the size of the notch 4c is determined, and the distance between the pressing shaft 7 and the large hole 4b (the distance is the distance when the guide sleeve 4 slides to the lower limit position of the pressing head 3) should be greater than the length of the split elastic pin a, in addition, the diameter of the large hole 4b is inevitably greater than the outer diameter of the split elastic pin a, in this embodiment, the pressing shaft 7 is used for pressing the split elastic pin a into the small hole 4a from the large hole 4b, so that the split elastic pin a shrinks and is further pressed into the assembly hole of the workpiece, as shown in fig. 2, both ends of the split elastic pin a are provided with fillets, and in order to ensure that the pressing shaft 7 can press the split elastic pin a into the small hole 4a and the assembly hole of the The diameter of the pressing shaft 7 should be not larger than the diameter of the small hole 4a, preferably the diameter of the pressing shaft 7 is smaller than the diameter of the small hole 4a, of course, the diameter of the pressing shaft 7 should also be larger than the diameter of the end face of the split elastic pin a, in addition, the length of the pressing shaft 7 which can be inserted into the guide head is not smaller than the length of the guide head, and the assembly height of the split elastic pin a in the assembly hole can be accurately controlled by the pressing distance of the pressing shaft 7.
the working principle of the split elastic pin press-fitting tool provided by the embodiment is as follows: the split elastic pin A is placed in the large hole 4b, a workpiece to be assembled with the split elastic pin A is fixed on the bottom plate 6 (the workpiece can be fixed on the bottom plate 6 by using a clamping tool), the assembly hole of the workpiece is ensured to be aligned with the small hole 4a of the guide head, then the driving mechanism 2 is started, the driving head 3 is driven by the driving mechanism 2 to move downwards, the pressing shaft 7 and the guide sleeve 4 also descend along with the pressing head 3 until the guide head at the bottom of the guide sleeve 4 contacts the workpiece, the guide sleeve 4 and the pressing head 3 can slide relatively, so that the guide mechanism 2 continues to work, the guide sleeve 4 is not moved, the pressing head 3 continues to press the split elastic pin A downwards into the small hole 4a to lock the split elastic pin A to be small, and finally the reduced split elastic pin A is pressed into the assembly hole of the workpiece.
As shown in fig. 1, the press-fitting tool for the split elastic pin in this embodiment may further include a guide rail mechanism for providing a guiding function when the press head 3 moves up and down, specifically, the guide rail mechanism includes a guide rail 8, a slider 9, and a connecting rod 10, the guide rail 8 is vertically installed on a side surface of the base 1 facing the press head 3, the slider 9 is slidably connected to the guide rail 8, the connecting rod 10 is horizontally disposed, one end of the connecting rod 10 is fixedly connected to the slider 9, and the other end of the connecting rod 10 is fixedly connected to the press head 3.
When the specific structure of the driving mechanism 2 is selected, the driving mechanism 2 can be preferably an air cylinder in consideration of light output load of the driving mechanism 2, and a piston rod of the air cylinder is fixedly connected with the pressure head 3.
The guide sleeve 4 is slidably connected with the pressure head 3 in various ways, and as shown in fig. 2, the common way is that: the guide sleeve 4 is in clearance fit with the pressure head 3, a sliding groove 3a is longitudinally formed in one side of the pressure head 3, a round hole corresponding to the sliding groove 3a is formed in the side wall of the guide sleeve 4, and a limiting rod 4d capable of sliding in the sliding groove 3a is assembled in the round hole. When initial condition, uide bushing 4 leans on the dead weight to slide to the lower limit position of pressure head 3, and when cylinder drive ram 3 was down, after uide bushing 4 contacted the work piece, under the cooperation of gag lever post 4d and spout 3a, pressure head 3 can be slided down relatively uide bushing 4, thereby make pressure axle 7 support opening elastic pin A in the pilot hole of aperture 4a and work piece of impressing down, and after accomplishing the assembly, cylinder drive ram 3 went up the playback, uide bushing 4 then relies on the dead weight again to be in the lower limit position of pressure head 3.
The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.
Some of the drawings and descriptions of the present invention have been simplified to facilitate the understanding of the improvements over the prior art by those skilled in the art, and some other elements have been omitted from this document for the sake of clarity, and it should be appreciated by those skilled in the art that such omitted elements may also constitute the subject matter of the present invention.
Claims (4)
1. Open elastic pin pressure equipment instrument, its characterized in that: including frame (1), actuating mechanism (2), pressure head (3) and uide bushing (4), the top and the below of frame (1) level respectively are provided with roof (5) and bottom plate (6), actuating mechanism (2) are installed on roof (5), pressure head (3) and uide bushing (4) all are located between roof (5) and bottom plate (6), the one end and the actuating mechanism (2) of pressure head (3) are connected, actuating mechanism (2) drive pressure head (3) rise and descend, the other end slidable relatively of pressure head (3) is inserted in uide bushing (4), the bottom of uide bushing (4) is equipped with a direction head, follow the bottom of direction head lead to the top and seted up aperture (4 a) and with macropore (4 b) in proper order, the junction of aperture (4 a) and macropore (4 b) is equipped with the inclined plane of gradual transition, the bottom of pressure head (3) is vertically connected with a last item (7) of aiming at macropore (4 b), the diameter of last item (7) is not more than the diameter of aperture (4 a), the length that last item (7) can insert in the direction head is not less than the length of direction head, notch (4 c) in the macropore (4 b) of direction head are seted up one and are convenient for put into opening elastic pin (A) to the side of uide bushing (4).
2. The cotter pin press-fitting tool of claim 1, wherein: still include guide rail mechanism, guide rail mechanism includes guide rail (8), slider (9) and connecting rod (10), guide rail (8) are vertical to be installed on the side of frame (1) towards pressure head (3), slider (9) sliding connection is on guide rail (8), connecting rod (10) level sets up, the one end and slider (9) fixed connection of connecting rod (10), the other end and pressure head (3) fixed connection of connecting rod (10).
3. The cotter pin press-fitting tool of claim 2, wherein: the driving mechanism (2) adopts an air cylinder, and a piston rod of the air cylinder is fixedly connected with the pressure head (3).
4. The cotter pin press-fitting tool of claim 3, wherein: the guide sleeve (4) is in clearance fit with the pressure head (3), a sliding groove (3 a) is longitudinally formed in one side of the pressure head (3), a round hole corresponding to the sliding groove (3 a) is formed in the side wall of the guide sleeve (4), and a limiting rod (4 d) capable of sliding in the sliding groove (3 a) is assembled in the round hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910960044.1A CN110576307A (en) | 2019-10-10 | 2019-10-10 | Press mounting tool for split elastic pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910960044.1A CN110576307A (en) | 2019-10-10 | 2019-10-10 | Press mounting tool for split elastic pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110576307A true CN110576307A (en) | 2019-12-17 |
Family
ID=68814410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910960044.1A Pending CN110576307A (en) | 2019-10-10 | 2019-10-10 | Press mounting tool for split elastic pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110576307A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139548A (en) * | 2020-09-23 | 2020-12-29 | 无锡市强茂金属制品有限公司 | Automatic machining device for anti-theft lock cylinder |
| CN113021917A (en) * | 2021-03-10 | 2021-06-25 | 机械工业第九设计研究院有限公司 | Double-force press-fitting flanging mechanism |
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| CN202752810U (en) * | 2012-08-16 | 2013-02-27 | 杭州新坐标科技股份有限公司 | Lock clamp press fitting tool |
| CN203282166U (en) * | 2013-07-31 | 2013-11-13 | 天津博信汽车零部件有限公司 | Straight pin press-fitting device |
| CN204123343U (en) * | 2014-09-01 | 2015-01-28 | 青岛晟润泰电气制造有限公司 | Resilient key pressing device |
| CN204235074U (en) * | 2014-11-05 | 2015-04-01 | 上海汽车变速器有限公司 | Split pin guiding pressure head with orientating function |
| CN204308533U (en) * | 2014-12-15 | 2015-05-06 | 金爵五金塑胶（深圳）有限公司 | Bearing pin assembling device |
| CN105415274A (en) * | 2015-12-03 | 2016-03-23 | 河南平高电气股份有限公司 | Elastic cylindrical pin assembly tool |
| CN206405701U (en) * | 2017-01-16 | 2017-08-15 | 广东鸿特精密技术股份有限公司 | A kind of combination pin error prevention means of pad equipment |
| CN207309337U (en) * | 2017-09-20 | 2018-05-04 | 瑞立集团瑞安汽车零部件有限公司 | A kind of pin erecting device |
| CN108747302A (en) * | 2018-07-11 | 2018-11-06 | 中国地质大学（武汉） | A kind of novel spherical tooth drill bit pressing machine |
| CN109483201A (en) * | 2018-12-29 | 2019-03-19 | 横店集团英洛华电气有限公司 | Spring catch press-loading apparatus |
| CN109866004A (en) * | 2019-03-22 | 2019-06-11 | 重庆青山工业有限责任公司 | Assemble the press mounting tool of elastic cylindrical pin |
| CN210703470U (en) * | 2019-10-10 | 2020-06-09 | 湖南东创智能装备有限公司 | Press mounting tool for split elastic pin |
-
2019
- 2019-10-10 CN CN201910960044.1A patent/CN110576307A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202752810U (en) * | 2012-08-16 | 2013-02-27 | 杭州新坐标科技股份有限公司 | Lock clamp press fitting tool |
| CN203282166U (en) * | 2013-07-31 | 2013-11-13 | 天津博信汽车零部件有限公司 | Straight pin press-fitting device |
| CN204123343U (en) * | 2014-09-01 | 2015-01-28 | 青岛晟润泰电气制造有限公司 | Resilient key pressing device |
| CN204235074U (en) * | 2014-11-05 | 2015-04-01 | 上海汽车变速器有限公司 | Split pin guiding pressure head with orientating function |
| CN204308533U (en) * | 2014-12-15 | 2015-05-06 | 金爵五金塑胶（深圳）有限公司 | Bearing pin assembling device |
| CN105415274A (en) * | 2015-12-03 | 2016-03-23 | 河南平高电气股份有限公司 | Elastic cylindrical pin assembly tool |
| CN206405701U (en) * | 2017-01-16 | 2017-08-15 | 广东鸿特精密技术股份有限公司 | A kind of combination pin error prevention means of pad equipment |
| CN207309337U (en) * | 2017-09-20 | 2018-05-04 | 瑞立集团瑞安汽车零部件有限公司 | A kind of pin erecting device |
| CN108747302A (en) * | 2018-07-11 | 2018-11-06 | 中国地质大学（武汉） | A kind of novel spherical tooth drill bit pressing machine |
| CN109483201A (en) * | 2018-12-29 | 2019-03-19 | 横店集团英洛华电气有限公司 | Spring catch press-loading apparatus |
| CN109866004A (en) * | 2019-03-22 | 2019-06-11 | 重庆青山工业有限责任公司 | Assemble the press mounting tool of elastic cylindrical pin |
| CN210703470U (en) * | 2019-10-10 | 2020-06-09 | 湖南东创智能装备有限公司 | Press mounting tool for split elastic pin |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139548A (en) * | 2020-09-23 | 2020-12-29 | 无锡市强茂金属制品有限公司 | Automatic machining device for anti-theft lock cylinder |
| CN113021917A (en) * | 2021-03-10 | 2021-06-25 | 机械工业第九设计研究院有限公司 | Double-force press-fitting flanging mechanism |
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