CN103567960B - Pin pulling device - Google Patents
Pin pulling device Download PDFInfo
- Publication number
- CN103567960B CN103567960B CN201310475504.4A CN201310475504A CN103567960B CN 103567960 B CN103567960 B CN 103567960B CN 201310475504 A CN201310475504 A CN 201310475504A CN 103567960 B CN103567960 B CN 103567960B
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- CN
- China
- Prior art keywords
- chuck
- support
- pin
- guide part
- pilot hole
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/08—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing cotter pins
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention discloses a pin pulling device, which comprises a body, and specifically comprises a guide part and a support part which are integrally molded, a support sleeve, a threaded sleeve, a chuck, fan blades, and a rotating head, wherein a support groove is formed in the support part, and the body is arranged in the support sleeve and slides relative to the support sleeve; the threaded sleeve is arranged on the guide part, and one end of the threaded sleeve is propped against the end face of the support sleeve; when the threaded sleeve is rotated, the body and the support sleeve oppositely move; the chuck is arranged in the guide part and is provided with two jaws, and the end heads of the two jaws are outwards provided with support blocks respectively; the fan blades are arranged between the support groove and the support blocks, and the jaws are extruded by the fan blades to move inward to clamp a pin to be pulled; the rotating head is in threaded connection with the chuck and drives the chuck to move through threads so that the pin is pulled out. The device is simple and quick to operate, and does not damage the pin.
Description
Technical field
The present invention relates to Automatic manual transmission field, particularly one is pulled pin spike devices.
Background technology
In Automatic manual transmission field, pin is mainly used as assembling and positioning, also can be used as connector.Such as, straight pin, it is commonly used in Automatic manual transmission field as connector, and the straight pin of majority is arranged on part by interference fit, the part that general straight pin exposes is very short (4-5mm) often, straight pin itself is very smooth again, does not have the point that can put forth effort, and at this time straight pin will be pulled out the quite difficulty that just seems.
At present, general method is, when carrying out part protection, welds a bolt, then by pulling out bolt to reach the object of tearing straight pin open in cylinder plunger.
But, utilize aforesaid way choose straight pin time, first, need ground mechanical part to be torn open being delivered to electric welding machine can operate just now, can not operate on a production line, impact normally produce; Secondly, because straight pin exposed portion is very short, parts, near parts, are easily injured during welding in welding position; Again, welding itself destroys reusing of pin, causes waste, meanwhile, and inefficiency.
Summary of the invention
The present invention is to overcome defect in above-mentioned prior art, provides one to pull pin spike devices, solves pin and to choose the problem of difficulty, simple to operate, does not hinder pin itself.
For achieving the above object, the invention provides one to pull pin spike devices, comprise: body, it specifically comprises integrated guide part and support portion, guide part is the cylindrical body with pilot hole, pilot hole and support portion through, guide part lateral wall is provided with external screw thread, support portion is outwardly open concave body, is provided with support slot at the madial wall place of concave body; Support set, it is the concave structure with through hole, and guide part is through through hole, and the lateral wall of concave body and the madial wall of concave structure are slidably matched; Thread bush, it coordinates with external screw thread, and one end of thread bush is connected on the end face of support set, when rotating thread bush, body and support set relative movement; Chuck, it is contained in pilot hole, and chuck is the cylinder with two intermediate plates, is provided with internal thread at cylindrical member at one end, is outwards respectively equipped with back-up block in two intermediate plate terminations; Fan blades, it is contained between support slot and back-up block, and when chuck moves inward along pilot hole, fan blades extruding intermediate plate comes closer to clamp and waits nail of pulling pin; Swivel head, its one end insert pilot hole and and screw-internal thread fit, the other end is connected to guide part front end, when rotate swivel head time, swivel head is moved along pilot hole by screw drive chuck.
In technique scheme, two intermediate plate bare terminal end inner surfaces with wait to pull pin that to follow closely profile suitable.
In technique scheme, two intermediate plate termination inner surfaces are semicircle.
In technique scheme, inside back-up block, be provided with groove, groove mates with fan blades one end.
In technique scheme, support slot and groove are circular configuration, and fan blades two ends coordinate with circular configuration.
In technique scheme, swivel head is provided with clamping swingle.
In technique scheme, thread bush is provided with back-out bar.
Compared with prior art, the beneficial effect that the present invention has: by design chuck, conveniently clamp pin, solve pin choose difficulty problem; By design support set, body and thread bush, chuck relative support can be made to overlap relative motion and then extract pin, simple to operate, do not hinder pin itself.
Accompanying drawing explanation
Fig. 1 is that the present invention pulls pin spike devices structural representation;
Fig. 2 is chuck structure schematic diagram in the present invention;
Fig. 3 is the left view of Fig. 2;
Fig. 4 utilizes the present invention's spike devices of pulling pin to carry out pin view of choosing.
Mark the following drawings mark thereon by reference to the accompanying drawings:
1-body, 11-guide part, 12-support portion, 2-support set, 3-thread bush, 31-screws out bar, 4-chuck, 41-intermediate plate, 42-back-up block, 43-internal thread, 44-otch, 5-fan blades, 6-swivel head, and 61-clamps swingle.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of detailed description of the invention.
Spike devices of pulling pin of the present invention mainly to be chosen difficulty and designing for existing pin, by design chuck clamping pin exposed portion, then drives chuck move and then take out pin by thread bush.This device can operate on the production line of original place, and not by the restriction in time, place, and this device is simple to operate, and efficiency is high, and in addition, this device can not destroy pin, saves cost.
As shown in Figure 1, spike devices of pulling pin of the present invention comprises body 1, support set 2, thread bush 3, chuck 4, fan blades 5 and swivel head 6, body 1 specifically comprises integrated guide part 11 and support portion 12, guide part 11 is cylindrical body structure, pilot hole (unmarked in figure) is provided with in guide part 11 inside, pilot hole and support portion 12 through, guide part 11 lateral wall is provided with external screw thread (unmarked in figure), support portion 12 is outwardly open concave body structure, is provided with support slot (unmarked in figure) at the madial wall place of concave body.Support set 2 is the concave structure with through hole (unmarked in figure), body 1 is contained in support set 2, it is mainly pin of choosing and provides support, particularly, guide part 11 is through through hole, and the lateral wall of concave body and the madial wall of concave structure are slidably matched, when choosing pin, at part 8 on the surface (see Fig. 4), body 1 slides along support set 2 edge supports of concave structure.The driving force of body 1 is from thread bush 3, and thread bush 3 coordinates with external screw thread, and one end of thread bush 3 is connected on the end face of support set 2, when rotating thread bush 3, body 1 slides along the madial wall of support set 2 concave structure, in addition, thread bush 3 is provided with and screws out bar 31, convenient rotation thread bush 3.Chuck 4 is contained in pilot hole, and chuck 4 one end is provided with two intermediate plate 41(see Fig. 2), the other end is provided with internal thread 43, is outwards respectively equipped with back-up block 42(see Fig. 2 in two intermediate plate 41 terminations), inside back-up block 42, be provided with groove 421.When chuck 4 is contained in pilot hole, fan blades 5 is contained between the groove 421 of support slot and back-up block 42, and when chuck 4 moves inward, fan blades 5 extrudes two intermediate plates 41 and comes closer, thus clamps the nail 7(that waits to pull pin see Fig. 4).Chuck 4 is driven by swivel head 6, swivel head 6 one end is designed to bolt arrangement, and after insertion pilot hole, coordinate with the internal thread 43 (see Fig. 2) of chuck 4, swivel head 6 other end is connected to guide part 11 front end, be provided with clamping swingle 61 in swivel head 6 front end, when rotating swivel head 6, swivel head 6 is moved along pilot hole by screw drive chuck 4.
As shown in Figures 2 and 3, in such scheme, chuck 4 can be processed by cylindrical member, particularly, chuck 4 one end machining internal thread 43, the intermediate plate 41 of the other end can realize by cutting a kerf 44 in the middle of cylindrical member, intermediate plate 41 has elasticity, intermediate plate 41 front end is outer to be processed back-up block 42 and processes groove 421, and groove 421 is designed to 6 (see Fig. 3) symmetrically, inside, intermediate plate 41 front end processes follows closely the suitable cavity of profile with waiting to pull pin, intermediate plate 41 front inner surface can be designed as semicircle, also can be designed as flat shape, follow closely as long as conveniently clamping waits to pull pin.
In order to location and the rotation of fan blades 5, support slot and groove 421 are designed to circular configuration, and correspondingly, fan blades 5 two ends are also designed to circular configuration, and its two ends coordinate with support slot and groove 421 respectively.
As shown in Figure 4, the concrete structure principle of this device describes above, utilize this device choose pin time, first, support set 2 is supported on part 8 on the surface, nail exposed portion of waiting to pull pin is stretched between two intermediate plates 41, rotate clamping swingle 61, be threaded connection tensioning chuck 4 and move to the left, chuck 4 and fan blades 5 produce relative motion, intermediate plate 41 is out of shape to the inside due to the effect being subject to power, thus clamping pin 7.Then, rotate back-out bar 31 and drive thread bush 3 to rotate, be threaded connection and make body 1 and support set 2 produce relative motion, chuck 4 moves together with body 1, and then reaches the object of extracting pin 7.
Be only specific embodiments of the invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (7)
1. to pull pin a spike devices, it is characterized in that, comprising:
Body, it specifically comprises integrated guide part and support portion, described guide part is the cylindrical body with pilot hole, described pilot hole and described support portion through, described guide part lateral wall is provided with external screw thread, described support portion is outwardly open concave body, is provided with support slot at the madial wall place of described concave body;
Support set, it is the concave structure with through hole, and described guide part is through described through hole, and the lateral wall of described concave body and the madial wall of described concave structure are slidably matched;
Thread bush, it coordinates with described external screw thread, and one end of described thread bush is connected on the end face of described support set, when rotating described thread bush, described body and described support set relative movement;
Chuck, it is contained in described pilot hole, and described chuck is the cylinder with two intermediate plates, is provided with internal thread at described cylindrical member at one end, and described in two, intermediate plate termination is outwards respectively equipped with back-up block;
Fan blades, it is contained between described support slot and described back-up block, and when described chuck moves inward along described pilot hole, described fan blades extrudes described intermediate plate and comes closer to clamp and wait nail of pulling pin;
Swivel head, its one end insert described pilot hole and with described screw-internal thread fit, the other end is connected to described guide part front end, when rotate described swivel head time, described swivel head is moved along described pilot hole by chuck described in screw drive.
2. spike devices of pulling pin according to claim 1, is characterized in that, described two intermediate plate bare terminal end inner surfaces with wait to pull pin that to follow closely profile suitable.
3. spike devices of pulling pin according to claim 2, is characterized in that, described two intermediate plate termination inner surfaces are semicircle.
4. spike devices of pulling pin according to claim 1, is characterized in that, inside described back-up block, be provided with groove, and described groove mates with described fan blades one end.
5. spike devices of pulling pin according to claim 4, is characterized in that, described support slot and described groove are circular configuration, and described fan blades two ends coordinate with described circular configuration.
6., according to the arbitrary described spike devices of pulling pin of claim 1 to 5, it is characterized in that, described swivel head is provided with clamping swingle.
7., according to the arbitrary described spike devices of pulling pin of claim 1 to 5, it is characterized in that, described thread bush is provided with back-out bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475504.4A CN103567960B (en) | 2013-10-12 | 2013-10-12 | Pin pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475504.4A CN103567960B (en) | 2013-10-12 | 2013-10-12 | Pin pulling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103567960A CN103567960A (en) | 2014-02-12 |
| CN103567960B true CN103567960B (en) | 2015-05-13 |
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ID=50041114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310475504.4A Active CN103567960B (en) | 2013-10-12 | 2013-10-12 | Pin pulling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103567960B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991058B (en) * | 2014-05-16 | 2015-09-09 | 扬州茂翔机械有限公司 | A kind of nail servicing unit and method of work thereof |
| CN107009317B (en) * | 2017-05-22 | 2018-08-31 | 卜钰 | A kind of pin taking-out device |
| CN206937166U (en) * | 2017-09-08 | 2018-01-30 | 河南裕展精密科技有限公司 | Cutter installation device |
| CN112643700A (en) * | 2020-12-11 | 2021-04-13 | 贵州电网有限责任公司 | Pushing device for safety operating rod of electric shock prevention signboard and using method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5604967A (en) * | 1995-05-15 | 1997-02-25 | Mcmahon; Richard P. | Dowel extraction device |
| DE20214361U1 (en) * | 2002-09-16 | 2002-11-21 | Klann Tools Ltd | Pulling device, in particular for pulling centering pins |
| CN2633524Y (en) * | 2003-07-11 | 2004-08-18 | 黄智勋 | Positioning pin detaching device for circuit board drilling machine |
| CN201089148Y (en) * | 2007-06-19 | 2008-07-23 | 国营红阳机械厂 | Simple screw-type pin removal |
| CN201524997U (en) * | 2009-11-16 | 2010-07-14 | 东风汽车股份有限公司 | Special pin pulling assistive device for blind pin |
| CN203471709U (en) * | 2013-10-12 | 2014-03-12 | 广西玉柴机器股份有限公司 | Pin bolt pulling device |
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2013
- 2013-10-12 CN CN201310475504.4A patent/CN103567960B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103567960A (en) | 2014-02-12 |
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