CN204135374U - A kind of push-pull mechanism for inner support clamp - Google Patents
A kind of push-pull mechanism for inner support clamp Download PDFInfo
- Publication number
- CN204135374U CN204135374U CN201420493847.3U CN201420493847U CN204135374U CN 204135374 U CN204135374 U CN 204135374U CN 201420493847 U CN201420493847 U CN 201420493847U CN 204135374 U CN204135374 U CN 204135374U
- Authority
- CN
- China
- Prior art keywords
- turnbuckle
- packing ring
- push
- pull bar
- adjustment packing
- 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.)
- Expired - Fee Related
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Abstract
A kind of push-pull mechanism for inner support clamp, comprise the pull bar being provided with threaded portion, described threaded portion is arranged with turnbuckle, adjustment packing ring, locking nut from the inside to the outside successively along this pull bar, the internal thread that this turnbuckle is provided with by its inwall matches with the threaded portion of pull bar, described adjustment packing ring is arranged in turnbuckle side, and described locking nut can rotate along the threaded portion of pull bar and compress adjustment packing ring; Described turnbuckle comprises hollow cylinder, is located at two of this hollow cylinder one end rectangular and be located at the catch of this hollow cylinder other end excircle; Be provided with positive six prisms of endoporus centered by described adjustment packing ring, one section of described endoporus is small sircle hole, and another section connected with it is the big hole coaxial with small sircle hole, and these endoporus both sides offer the rectangular corresponding keyway with described turnbuckle.In clamping fixture for cylinder sleeve processing, improve the stability of clamping, improve crudy, reduce allowance, enhance productivity.
Description
Technical field
The utility model relates to a kind of push-pull mechanism, specifically a kind of push-pull mechanism for inner support clamp.
Background technology
Inner support clamp is the fixture for gripping sleeve part, in the production of cylinder sleeve, usually uses inner support clamp withstand from cylinder sleeve inside and fix casing wall.The push-pull mechanism of inner support clamp drives the clamping of clamping part and cylinder sleeve for moving axially and unclamps.
In existing bipyramid inner support clamp, the assembling schematic diagram of push-pull mechanism as shown in Figure 1, comprises pull bar 10, is located at the pull head 11 of pull bar 10 front end, is sheathed on the vertebra cover 12 on pull head 11, is inserted in the push-pull configuration 13 in the flat key hole of this vertebra cover 12 and pull head 11.When pull head 11 on described pull bar 10 drives push-pull configuration 13 to be moved to the left, described push-pull configuration 13 drives vertebra to overlap 12 and promotes expansion set 14, makes expansion set 14 stretching cylinder sleeve; When push-pull configuration 13 oppositely moves, described vertebra cover 12 departs from expansion sets 14, and expansion set 14 shrinks, and unclamps cylinder sleeve.
In existing single cone inner support clamp, the assembling schematic diagram of push-pull mechanism as shown in Figure 2, comprises pull bar 20, is fixed on the push-pull configuration 21 on pull bar 20, and for fixing the locking nut 22 of this push-pull configuration 21.When described pull bar 20 drives push-pull configuration 21 to be moved to the left, hack and be sub-packed in this push-pull configuration 21 China and foreign countries elastic conical drogue 23 and expand, compress with cylinder sleeve; When push-pull configuration 21 oppositely moves, described outer elastic conical drogue 23 shrinks, and unclamps cylinder sleeve.
The push-pull configuration of above-mentioned two kinds of push-pull mechanisms and the relative position of pull bar are fixing, axial adjustment can not be carried out, make this push-pull mechanism can only be applicable to the cylinder sleeve of gripping certain length, therefore the pull bar changing different length is needed when the different length cylinder sleeve that gripping changes greatly, both increase cost, again reduce production efficiency; And be matched in clearance because vertebra described in bipyramid inner support clamp overlaps between push-pull configuration, and the outer elastic conical drogue of singly boring in inner support clamp must be sub-packed in this push-pull configuration, such gripping cylinder sleeve, cylinder sleeve is made easily to occur man-hour rocking adding, and affect the precision of cylinder sleeve processing, make the Quality Down of cylinder sleeve; Above-mentioned push-pull mechanism is all only applicable to a kind of inner support clamp, cannot replace use; In addition, existing push-pull mechanism is not easy to install, change.
Utility model content
The utility model provides a kind of push-pull mechanism for inner support clamp, and it is little that its main purpose is to solve the existing push-pull mechanism scope of application, and the cylinder sleeve precision using it to process is low, the problems such as operating efficiency is low.
In order to solve the problems of the technologies described above, the technical scheme of utility model is as follows:
A kind of push-pull mechanism for inner support clamp, comprise the pull bar being provided with threaded portion, described threaded portion is arranged with turnbuckle, adjustment packing ring, locking nut from the inside to the outside successively along this pull bar, the internal thread that this turnbuckle is provided with by its inwall matches with the threaded portion of pull bar, described adjustment packing ring is arranged in turnbuckle side, and described locking nut can rotate along the threaded portion of pull bar and compress adjustment packing ring.
Further, described turnbuckle comprises hollow cylinder, is located at two of this hollow cylinder one end rectangular and be located at the catch of this hollow cylinder other end excircle.
Further, be provided with positive six prisms of endoporus centered by described adjustment packing ring, one section of described endoporus is small sircle hole, and another section connected with it is the big hole coaxial with small sircle hole, and these endoporus both sides offer the rectangular corresponding keyway with described turnbuckle.
Further, described locking nut is positive hex nut.
Further, be connected with the turnbuckle end face of side of described adjustment packing ring is provided with pad.
The utility model has the advantage of:
Coordinated with the threaded portion on pull bar by turnbuckle, the relative axial position making to be arranged in adjustment packing ring on it and pull bar is adjustable, does not need to replace pull bar when clamping the cylinder sleeve of different length; Be used in conjunction with each other by turnbuckle, adjustment packing ring and locking nut, can easy disassembly, be convenient to the installation of the overall tapered sleeve be connected; Use pad that adjustment packing ring and tapered sleeve are clamped, change the mode of matched in clearance, promote stability during powerful blessing, thus improve the machining accuracy of cylinder sleeve production process, decrease allowance, the operating efficiency of production line is improved 30%; The utility model both can be applicable in bipyramid inner support clamp, can be applicable to again in single cone inner support clamp.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of push-pull mechanism in existing bipyramid inner support clamp.
Fig. 2 is the assembling schematic diagram of push-pull mechanism in existing single cone inner support clamp.
Fig. 3 is schematic diagram of the present utility model.
Fig. 4 is the schematic perspective view of turnbuckle described in the utility model.
Fig. 5 is for adjusting the schematic perspective view of packing ring described in the utility model.
Fig. 6 is for adjusting the side-looking direction schematic diagram of packing ring described in the utility model.
Fig. 7 is the assembling schematic diagram of the utility model in bipyramid inner support clamp.
Fig. 8 is the assembling schematic diagram of the utility model in single cone inner support clamp.
Detailed description of the invention
Detailed description of the invention of the present utility model is as follows:
With reference to Fig. 3, a kind of push-pull mechanism for inner support clamp, comprises the pull bar 30 being provided with threaded portion 300, and described threaded portion 300 is arranged with turnbuckle 31, adjustment packing ring 32, locking nut 33 from the inside to the outside successively along this pull bar 30.
With reference to Fig. 4, Fig. 5 and Fig. 6, the internal thread that described turnbuckle 31 is provided with by its inwall matches with the threaded portion 300 of pull bar 30, easy disassembly, and along this turnbuckle 31 position of pull bar 30 axial adjustment, can need not change pull bar 30 because of cylinder sleeve length.Described turnbuckle 31 comprises hollow cylinder 310, is located at two rectangular 311 of this hollow cylinder 310 one end and be located at the catch 312 of this hollow cylinder 310 other end excircle.Described adjustment packing ring 32 is arranged in turnbuckle 31 side.Positive six prisms of endoporus are provided with centered by described adjustment packing ring 32, one section of described endoporus is small sircle hole 321, another section connected with it is the big hole 320 coaxial with small sircle hole 321, and these endoporus both sides offer the rectangular 311 corresponding keyways 322 with described turnbuckle 31.Described locking nut 33 can rotate along the threaded portion 301 of pull bar 30 and compress adjustment packing ring 32.Described locking nut 33 is positive hex nut, so that gripping when installing it.
With reference to Fig. 7, described push-pull mechanism is assemblied in bipyramid inner support clamp, described turnbuckle 31 is threadingly threaded to correct position, outside the hollow cylinder 310 tapered sleeve 40 being sheathed on turnbuckle 31, described adjustment packing ring 32 is with big hole 320 and turnbuckle 31 fit, and rectangular 311 on turnbuckle 31 is arranged in the keyway 322 in adjustment packing ring 32, rocks to limit turnbuckle 31 radial direction.Be provided with pad 34 between described adjustment packing ring 32 and tapered sleeve 40, then use described locking nut 33 to be clamped in by tapered sleeve 40 among the catch 34 of adjustment packing ring 32 and turnbuckle 31.When pull bar 30 is moved to the left, the adjustment packing ring 32 be fixed on it drives tapered sleeve 40 left, the expansion set 41 that this tapered sleeve 40 promotes to connect with it expands push-tight cylinder sleeve, change the mode of matched in clearance, realize stable brute force clamping, thus improve the machining accuracy of cylinder sleeve production process, decrease allowance, improve working (machining) efficiency; When pull bar 30 moves right, described tapered sleeve 40 drives with the catch 312 on turnbuckle 31 and moves right, and expansion set 41 shrinks to unclamp cylinder sleeve.
With reference to Fig. 8, described push-pull mechanism is assemblied in single cone inner support clamp, described turnbuckle 31 is threadingly threaded to correct position, outside the hollow cylinder 310 outer elastic conical drogue 50 being sheathed on turnbuckle 31, described adjustment packing ring 32 is with big hole 320 and turnbuckle 31 fit, and rectangular 311 on turnbuckle 31 is arranged in the keyway 322 in adjustment packing ring 32, rocks to limit turnbuckle 31 radial direction.Outer elastic conical drogue 50 is connected to a gap among adjustment packing ring 32 and the catch 34 of turnbuckle 31, by matched in clearance to adapt to the expansion of outer elastic conical drogue 50 with described locking nut 33.When pull bar 30 is moved to the left, the adjustment packing ring 32 be fixed on it promotes outer elastic conical drogue 50 makes it expand, this outer elastic conical drogue 50 push-tight cylinder sleeve, cylinder sleeve is clamped, outer elastic conical drogue 50 need not burst load, make stressed evenly, clamp more stable, decrease the tapering change of cylinder sleeve in process, improve crudy and efficiency; When pull bar 30 moves right, adjustment packing ring 32 unclamps outer elastic conical drogue 50, and this outer elastic conical drogue 50 shrinks to unclamp cylinder sleeve.
Detailed description of the invention of the present utility model, but design concept of the present utility model is not limited thereto, and all changes utilizing this design the utility model to be carried out to unsubstantiality, all should belong to the behavior of invading the utility model protection domain.
Claims (5)
1. the push-pull mechanism for inner support clamp, it is characterized in that: comprise the pull bar being provided with threaded portion, described threaded portion is arranged with turnbuckle, adjustment packing ring, locking nut from the inside to the outside successively along this pull bar, the internal thread that this turnbuckle is provided with by its inwall matches with the threaded portion of pull bar, described adjustment packing ring is arranged in turnbuckle side, and described locking nut can rotate along the threaded portion of pull bar and compress adjustment packing ring.
2. as claimed in claim 1 for the push-pull mechanism of inner support clamp, it is characterized in that: described turnbuckle comprises hollow cylinder, be located at two of this hollow cylinder one end rectangular and be located at the catch of this hollow cylinder other end excircle.
3. as claimed in claim 2 for the push-pull mechanism of inner support clamp, it is characterized in that: positive six prisms being provided with endoporus centered by described adjustment packing ring, one section of described endoporus is small sircle hole, another section connected with it is the big hole coaxial with small sircle hole, and these endoporus both sides offer the rectangular corresponding keyway with described turnbuckle.
4., as claimed in claim 1 for the push-pull mechanism of inner support clamp, it is characterized in that: described locking nut is positive hex nut.
5. as claimed in claim 3 for the push-pull mechanism of inner support clamp, it is characterized in that: be connected with the turnbuckle end face of side of described adjustment packing ring is provided with pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420493847.3U CN204135374U (en) | 2014-08-29 | 2014-08-29 | A kind of push-pull mechanism for inner support clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420493847.3U CN204135374U (en) | 2014-08-29 | 2014-08-29 | A kind of push-pull mechanism for inner support clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204135374U true CN204135374U (en) | 2015-02-04 |
Family
ID=52412092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420493847.3U Expired - Fee Related CN204135374U (en) | 2014-08-29 | 2014-08-29 | A kind of push-pull mechanism for inner support clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204135374U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108818576A (en) * | 2018-06-05 | 2018-11-16 | 湖南佳林智能装备有限公司 | A kind of armature transfer inner support clamp |
| CN109249050A (en) * | 2018-11-14 | 2019-01-22 | 无锡信捷电气股份有限公司 | Inner hole automatic centering clamping mechanism |
-
2014
- 2014-08-29 CN CN201420493847.3U patent/CN204135374U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108818576A (en) * | 2018-06-05 | 2018-11-16 | 湖南佳林智能装备有限公司 | A kind of armature transfer inner support clamp |
| CN109249050A (en) * | 2018-11-14 | 2019-01-22 | 无锡信捷电气股份有限公司 | Inner hole automatic centering clamping mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20150829 |
|
| EXPY | Termination of patent right or utility model |