CN105234888A - Pulling-out device for locating pin - Google Patents
Pulling-out device for locating pin Download PDFInfo
- Publication number
- CN105234888A CN105234888A CN201510681252.XA CN201510681252A CN105234888A CN 105234888 A CN105234888 A CN 105234888A CN 201510681252 A CN201510681252 A CN 201510681252A CN 105234888 A CN105234888 A CN 105234888A
- Authority
- CN
- China
- Prior art keywords
- alignment pin
- cutting ferrule
- pull bar
- hole
- extracting apparatus
- 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
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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
- B25B27/026—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 fluid driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to the technical field of mechanical tools, in particular to a pulling-out device for a locating pin, and more particularly relates to a device which can be used for rapidly pulling out the locating pin. One end of a clamping sleeve of the pulling-out device for the locating pin is used for clamping a necking part of the locating pin to be pulled out, and the other end of the clamping sleeve is connected with one end of a pull rod. The other end of the pull rod penetrates a hydraulic cylinder and is then in threaded connection with a lock nut. A supporting sleeve is further arranged in the position, between a second fixing body and the hydraulic cylinder, on the periphery of the pull rod. The pulling-out device is suitable for locating pins with heads provided with necking parts and is suitable for occasions where space is narrow and operation is difficult, the locating pin is pulled out through the hydraulic cylinder, operation is easy, and implementation is easy.
Description
Technical field
The present invention relates to mechanical frock technical field, particularly relate to a kind of alignment pin extracting apparatus, more specifically a kind of device that can realize being extracted by alignment pin fast.
Background technology
At present, as shown in Figure 1, common, being installed by second fixed body B alignment pin 8 is positioned on the first fixed body A, usually, need to beat dowel hole on the first fixed body A and the second fixed body B, then in dowel hole, alignment pin 8 is penetrated, when alignment pin 8 needs the alignment pin blind hole being fit into the first fixed body A, because rely on interference location, withdrawal force is larger, general clamp is difficult to extract, therefore need specific purpose tool to fix with alignment pin, then apply axial pullout forces, complete and extract operation.Alignment pin have employed common necking down structure for this reason, but due to size restriction, this place's necking down is less, proposes new requirement to the structure of specific purpose tool and intensity.
Therefore, for above deficiency, need to provide a kind of device that can realize being extracted by alignment pin fast.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention solves existing alignment pin to need specific purpose tool just can extract, and extracts problem not easily.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of alignment pin extracting apparatus, it comprises cutting ferrule, pull bar, stop sleeve, hydraulic cylinder and locking nut, one end of described cutting ferrule is used for the necking part of clamping alignment pin to be extracted, the other end is connected with one end of pull bar, the other end of described pull bar is threaded with described locking nut through after described hydraulic cylinder, is also provided with described stop sleeve in the periphery of described pull bar between the second fixed body and hydraulic cylinder.
Further, one end of described cutting ferrule is provided with the stepped hole mated with the necking part of alignment pin described to be extracted, and described stepped hole comprises the first hole and is positioned at the second hole inside described first hole, and the aperture in described second hole is greater than the aperture in described first hole.
Further, force transmission hole is provided with at the other end of described cutting ferrule.
Further, described cutting ferrule is fixedly connected with pull bar through described force transmission hole by power transmission pin.
Further, also draw-in groove is provided with in the periphery of described cutting ferrule.
Further, the endoporus of described stop sleeve contacts with the maximum outer shaft place of described pull bar.
Further, also comprise protective sleeve, described protective sleeve comprises protective sleeve body; described protective sleeve body is a quill shaft; be arranged in endoporus be provided with projection in one end of protective sleeve body, described protective sleeve body fits is outside described cutting ferrule, and described projection is inserted in described draw-in groove.
Further, the external diameter of described protective sleeve is identical with described pull bar.
Further, described cutting ferrule is docked by two the cutting ferrule bodies cut along its axis and forms
(3) beneficial effect
Technique scheme tool of the present invention has the following advantages: alignment pin extracting apparatus of the present invention, one end of its cutting ferrule is used for the necking part of clamping alignment pin to be extracted, the other end is connected with one end of pull bar, the other end of pull bar is threaded with locking nut through after hydraulic cylinder, between the second fixed body and hydraulic cylinder, described stop sleeve is also provided with in the periphery of pull bar, the present invention is applied to the alignment pin of head with necking down, be applicable to narrow space, be difficult to the occasion operated, the mode of hydraulic cylinder is adopted to be extracted by alignment pin, simple to operate, be easy to realize.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of alignment pin in prior art;
Fig. 2 is the structural representation of embodiment of the present invention alignment pin extracting apparatus;
Fig. 3 is the structural representation of the cutting ferrule of embodiment of the present invention alignment pin extracting apparatus;
Fig. 4 is the structural representation of the protective sleeve of embodiment of the present invention alignment pin extracting apparatus.
In figure: 1: cutting ferrule; 2: protective sleeve; 3: power transmission pin; 4: pull bar; 5: stop sleeve; 6: hydraulic cylinder; 7: locking nut; 8: alignment pin to be extracted; A: the first fixed body; B: the second fixed body.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
In describing the invention, it should be noted that, term " on ", D score, "front", "rear", "left", "right", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, also it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
As shown in Figure 2, a kind of alignment pin extracting apparatus that the embodiment of the present invention provides, it comprises cutting ferrule 1, pull bar 4, stop sleeve 5, hydraulic cylinder 6 and locking nut 7, one end of described cutting ferrule 1 is used for the necking part of clamping alignment pin 8 to be extracted, the other end is connected with one end of pull bar 4, the other end of described pull bar 4 is threaded with described locking nut 7 through after described hydraulic cylinder 6, is also provided with described stop sleeve 5 in the periphery of described pull bar 4 between the second fixed body B and hydraulic cylinder 6.The present invention adopts the mode of hydraulic cylinder to be extracted by alignment pin, simple to operate, is easy to realize, and is applied to the alignment pin of head with necking down, is applicable to narrow space, is difficult to the occasion operated.
As shown in Figure 3, one end of described cutting ferrule 1 is provided with the stepped hole mated with the necking part of alignment pin 8 described to be extracted, the second hole 13 that described stepped hole comprises the first hole 12 and is positioned at inside described first hole 12, and the aperture in described second hole 13 is greater than the aperture in described first hole 12, to match with the necking part of alignment pin 8 to be extracted like this, the necking part of alignment pin 8 to be extracted is sheathed in the first hole 12, the head of alignment pin 8 to be extracted is sheathed in the second hole 13, will alignment pin 8 be extracted clamping, axial withdrawal force is applied to alignment pin 8 to be extracted for better.
In order to better installation cutting ferrule 1 is socketed on outside alignment pin 8 to be extracted, more preferably, described cutting ferrule 1 is docked by two the cutting ferrule bodies 11 cut along its axis and forms, can be socketed on outside alignment pin 8 to be extracted by cutting ferrule 1 extremely easily like this, realize applying axial withdrawal force to alignment pin 8 to be extracted.
As shown in Figure 2, be provided with force transmission hole 15 at the other end of described cutting ferrule 1, through described force transmission hole 15, described cutting ferrule 1 be fixedly connected with pull bar 4 by power transmission pin 3, the very convenient connection achieving cutting ferrule 1 and pull bar 4 efficiently.The endoporus of described stop sleeve 5 contacts with the maximum outer shaft place of described pull bar 4.
As shown in Figure 2 and Figure 4, draw-in groove 14 is also provided with in the periphery of described cutting ferrule 1; Alignment pin extracting apparatus of the present invention also comprises protective sleeve 2; described protective sleeve 2 comprises protective sleeve body 21; described protective sleeve body 21 is a quill shaft; be arranged in endoporus be provided with protruding 22 in one end of protective sleeve body 21; described protective sleeve body 21 is set in outside described cutting ferrule 1; and described protruding 22 are inserted in described draw-in groove 14, the external diameter of described protective sleeve 2 is identical with described pull bar 4.
When two cutting ferrule bodies 11 of detachable cutting ferrule 1 expand outwardly by producing during larger axial force; intensity reduces; even destroyed situation; and after protective sleeve 2 is installed, can ensure that detachable cutting ferrule 1 is not separated; the effect that cutting ferrule body 11 is not destroyed; the intensity of alignment pin extracting apparatus of the present invention is improved greatly, thus produces larger axial force.
During use; after installing detachable cutting ferrule 1, protective sleeve 2, pull bar 4, power transmission pin 3; alignment pin extracting apparatus of the present invention and alignment pin 8 are fixed together; following installation power section (namely hydraulic cylinder); axial pulling force is applied to pull bar 4, just can implement pull action to alignment pin 8.Fixed support sleeve 5 on the outer cover of pull bar 4, Plane Installation hollow hydraulic cylinder 6 on stop sleeve 5, the screw rod of pull bar 4 through the interstitial hole of hydraulic cylinder 6, then will install locking nut 7, makes pull bar 4 and locking nut 7 fastening.
After locking nut 7 is locked, to hydraulic cylinder 6 oiling, the push rod of hollow hydraulic cylinder 6 can promote locking nut 7, pull bar 4 is driven to move right, now stop sleeve 5 is pressed on the end face of the second fixed body B outside alignment pin 8 to be extracted, and pull bar 4 relative support sleeve 5 produces axial displacement and pulling force, so drive the relative second fixed body B of alignment pin 8 to be extracted to produce the action of extracting, continue to hollow hydraulic cylinder 6 oiling, will gradually alignment pin 8 to be extracted axially be extracted along it.
Will after extracting alignment pin 8 and axially extracting along it; stop hydraulic cylinder 6 oiling, carry out rushing down pressure, hydraulic cylinder 6 automatic retraction; unclamp locking nut 7; take out pull bar 4, take out power transmission pin 3, pull bar 4 is pulled down from cutting ferrule 1; take out protective sleeve 2; now detachable cutting ferrule 1 separates two halves automatically, and alignment pin 8 just can be taken out from cutting ferrule 8, and what complete alignment pin 8 extracts work.
The detachable cutting ferrule 1 that alignment pin extracting apparatus of the present invention uses can realize repeating to fix to necking down workpiece; Cutting ferrule 1 mating protection cover 2 uses together with pull bar 4, detachable cutting ferrule 1 effectively can be made to bind round in the necking down of alignment pin 8 to be extracted, thus play fixation; Hollow hydraulic cylinder 6 coordinates stop sleeve 5, locking nut 7 and pull bar 4, can realize producing axial tension to pull bar 4, plays the effect of extracting.
In sum, alignment pin extracting apparatus of the present invention, one end of its cutting ferrule is used for the necking part of clamping alignment pin to be extracted, the other end is connected with one end of pull bar, the other end of pull bar is threaded with locking nut through after hydraulic cylinder, between the second fixed body and hydraulic cylinder, described stop sleeve is also provided with in the periphery of pull bar, the present invention is applied to the alignment pin of head with necking down, be applicable to narrow space, be difficult to the occasion operated, the mode of hydraulic cylinder is adopted to be extracted by alignment pin, simple to operate, be easy to realize.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. an alignment pin extracting apparatus, it is characterized in that: comprise cutting ferrule (1), pull bar (4), stop sleeve (5), hydraulic cylinder (6) and locking nut (7), one end of described cutting ferrule (1) is used for the necking part of clamping alignment pin 8 to be extracted, the other end is connected with the one end of pull bar (4), the other end of described pull bar (4) is threaded with described locking nut (7) afterwards through described hydraulic cylinder (6), be positioned between the second fixed body (B) and hydraulic cylinder (6) be also provided with described stop sleeve (5) in the periphery of described pull bar (4).
2. alignment pin extracting apparatus according to claim 1, it is characterized in that: one end of described cutting ferrule (1) is provided with the stepped hole mated with the necking part of alignment pin described to be extracted, described stepped hole comprises the first hole (12) and is positioned at second hole (13) of described first hole (12) inner side, and the aperture in described second hole (13) is greater than the aperture of described first hole (12).
3. alignment pin extracting apparatus according to claim 2, is characterized in that: be provided with force transmission hole (15) at the other end of described cutting ferrule (1).
4. alignment pin extracting apparatus according to claim 3, is characterized in that: be fixedly connected with pull bar (4) by described cutting ferrule (1) through described force transmission hole (15) by power transmission pin (3).
5. alignment pin extracting apparatus according to claim 3, is characterized in that: be also provided with draw-in groove (14) in the periphery of described cutting ferrule (1).
6. alignment pin extracting apparatus according to claim 5, is characterized in that: the endoporus of described stop sleeve (5) contacts with the maximum outer shaft place of described pull bar (4).
7. alignment pin extracting apparatus according to claim 6; it is characterized in that: also comprise protective sleeve (2); described protective sleeve (2) comprises protective sleeve body (21); described protective sleeve body (21) is a quill shaft; be arranged in endoporus be provided with projection (22) in one end of protective sleeve body (21); described protective sleeve body (21) is set in described cutting ferrule (1) outward, and described projection (22) is inserted in described draw-in groove (14).
8. alignment pin extracting apparatus according to claim 7, is characterized in that: the external diameter of described protective sleeve (2) is identical with described pull bar (4).
9. the alignment pin extracting apparatus according to any one of claim 1-8, is characterized in that: described cutting ferrule (1) is made up of two cutting ferrule bodies (11) docking of cutting along its axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510681252.XA CN105234888A (en) | 2015-10-19 | 2015-10-19 | Pulling-out device for locating pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510681252.XA CN105234888A (en) | 2015-10-19 | 2015-10-19 | Pulling-out device for locating pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105234888A true CN105234888A (en) | 2016-01-13 |
Family
ID=55032836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510681252.XA Pending CN105234888A (en) | 2015-10-19 | 2015-10-19 | Pulling-out device for locating pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105234888A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751150A (en) * | 2016-04-28 | 2016-07-13 | 河南晶锐新材料股份有限公司 | Pin pulling device for cubic diamond press |
| CN107457740A (en) * | 2017-09-14 | 2017-12-12 | 神华集团有限责任公司 | Dismantling device |
| CN107649860A (en) * | 2017-09-19 | 2018-02-02 | 中车长春轨道客车股份有限公司 | A kind of bogie hinged bolts disassembling fixture |
| CN108356757A (en) * | 2018-04-11 | 2018-08-03 | 宜昌崟锦包装有限责任公司 | Scrap plug fractionation and shell reclaimer and operating method in wine lid |
| KR102140891B1 (en) * | 2019-04-22 | 2020-08-03 | 이봉세 | Pin remove device |
| CN112026439A (en) * | 2020-09-14 | 2020-12-04 | 中车大连机车车辆有限公司 | Dismounting device of locomotive wheel drive pin |
| CN113941979A (en) * | 2021-10-26 | 2022-01-18 | 共享智能装备有限公司 | Pin shaft dismounting mechanism for manipulator |
-
2015
- 2015-10-19 CN CN201510681252.XA patent/CN105234888A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751150A (en) * | 2016-04-28 | 2016-07-13 | 河南晶锐新材料股份有限公司 | Pin pulling device for cubic diamond press |
| CN107457740A (en) * | 2017-09-14 | 2017-12-12 | 神华集团有限责任公司 | Dismantling device |
| CN107649860A (en) * | 2017-09-19 | 2018-02-02 | 中车长春轨道客车股份有限公司 | A kind of bogie hinged bolts disassembling fixture |
| CN108356757A (en) * | 2018-04-11 | 2018-08-03 | 宜昌崟锦包装有限责任公司 | Scrap plug fractionation and shell reclaimer and operating method in wine lid |
| CN108356757B (en) * | 2018-04-11 | 2024-03-15 | 宜昌崟锦包装有限责任公司 | Scrapped wine cap inner plug disassembly and outer shell recovery equipment and operation method |
| KR102140891B1 (en) * | 2019-04-22 | 2020-08-03 | 이봉세 | Pin remove device |
| CN112026439A (en) * | 2020-09-14 | 2020-12-04 | 中车大连机车车辆有限公司 | Dismounting device of locomotive wheel drive pin |
| CN112026439B (en) * | 2020-09-14 | 2022-03-11 | 中车大连机车车辆有限公司 | Dismounting device of locomotive wheel drive pin |
| CN113941979A (en) * | 2021-10-26 | 2022-01-18 | 共享智能装备有限公司 | Pin shaft dismounting mechanism for manipulator |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160113 |
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| WD01 | Invention patent application deemed withdrawn after publication |