CN208759092U - A kind of top replacing clamp of adjustable diameter - Google Patents
A kind of top replacing clamp of adjustable diameter Download PDFInfo
- Publication number
- CN208759092U CN208759092U CN201821519420.0U CN201821519420U CN208759092U CN 208759092 U CN208759092 U CN 208759092U CN 201821519420 U CN201821519420 U CN 201821519420U CN 208759092 U CN208759092 U CN 208759092U
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- CN
- China
- Prior art keywords
- clamping element
- workpiece
- screw
- clamping
- slide bar
- 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
The utility model relates to technical fields of mechanical processing, especially a kind of top replacing clamp of adjustable diameter, including clamping element, Bidirectional-screw, slide bar and attachment base, it is characterized by: attachment base includes cylinder terminal pad and positioning end, cylinder terminal pad side is equipped with rectangular channel, and the other side is equipped with positioning end；The left and right sides is equipped with the clamping element being arranged symmetrically inside the rectangular channel；The clamping element is connected by Bidirectional-screw, screw rod can be made to be turned round by using die nut, to allow clamping element transverse translation on screw rod, so that two clamping elements being arranged symmetrically is clamped shaft-like workpiece by translation；The clamping element is equipped with roll structure, and workpiece can be achieved after clamping workpiece and rotate synchronously with machine tool chief axis；The slide bar setting is in rectangular channel lower part and connects two clamping elements, and the clamping element can slide on slide bar.When by adopting the above technical scheme, workpiece can be clamped in the case where not destroying shaft-like workpiece end face and guarantees the stability of workpiece revolution processing.
Description
Technical field
The utility model relates to technical field of mechanical processing, especially a kind of top replacing clamp of adjustable diameter.
Background technique
In the field of machining, lathe is in occupation of extremely important status.Axial workpiece be in various mechanized equipments not
Can or one of scarce part category, for the precision and concentricity for guaranteeing work pieces process, all can tailstock tool install one it is top
Withstand workpiece, and in order to use it is top generally require the machining center hole on the end face of workpiece, thus with the use of top.
Currently, in working shaft-like workpiece, in order to usually require with the use of tailstock centre in workpiece rear and front end or one
Machining center hole is held, the processing of centre bore is not only time-consuming and laborious, and processing cost is higher.Since centre bore machining accuracy is lower,
Cause workpiece eccentric unstable so as to cause turning round in process, causes the failure of part processing.Meanwhile centre bore can be broken
The end face of bad shaft-like workpiece, for certain special shaft-like workpieces, end face plays particularly important effect, in order to protect work end
Face and not only increase processing cost using large-scale tooling, and operate also complex, production efficiency caused to reduce.
Summary of the invention
Utility model aims to solve above-mentioned technical proposals, provide a kind of top replacing clamp of adjustable diameter, can
To clamp workpiece in the case where not destroying shaft-like workpiece end face and guarantee the stability of workpiece revolution processing, to improve processing
Precision.
In order to solve the above technical problems, the utility model uses a kind of top replacing clamp of adjustable diameter, including clamp
Part, Bidirectional-screw, slide bar and attachment base, it is characterised in that: the attachment base includes cylinder terminal pad and positioning end, the cylinder
Terminal pad side is equipped with rectangular channel, and the other side is equipped with positioning end；The left and right sides is equipped with the folder being arranged symmetrically inside the rectangular channel
Tight part；The clamping element is connected by Bidirectional-screw, screw rod can be made to be turned round by using die nut, to make to clamp
Part can on screw rod transverse translation, so that two clamping elements being arranged symmetrically is clamped shaft-like workpieces by translation；The clamping element
It is equipped with roll structure, workpiece can be achieved after clamping workpiece and rotated synchronously with machine tool chief axis；The slide bar is arranged in rectangular channel
Lower part and two clamping elements of connection, the clamping element can slide on slide bar.
Further, in above-mentioned technical proposal, the clamping element includes clamping head and grip base, clamping head and clamps bottom
Seat, which is connected by screw to, to be integrally formed.
Further, in above-mentioned technical proposal, the clamping head includes V-block, ball and ball baffle, the V-block
V-type face be equipped with spherical groove and be mounted on ball by ball baffle interior, ball can roll in spherical groove.
Further, in above-mentioned technical proposal, connected between the grip base and the Bidirectional-screw by trapezoidal thread
It connects and has self-locking function.
Further, in above-mentioned technical proposal, the sliding rod hole that the grip base lower part is equipped with bilateral symmetry distribution is used for
Connect slide bar.
Further, in above-mentioned technical proposal, the Bidirectional-screw using intermediate cross-section as boundary, side be it is left-handed, it is another
Side is dextrorotation and is equipped with hexagonal hole in standard at the end face center of left and right.
The utility model has the advantages that shaft-like workpiece does not need machining center hole possessed by the utility model, positioning end is inserted into lathe
Quick universal can be achieved in the corresponding taper hole of tailstock, drive Bidirectional-screw to be turned round by die nut, to drive clamping
Part Xiang Zhongxin or two sides on slide bar are translated, to clamp or loosen various sizes of shaft-like workpiece, are realized between workpiece
Quick despatch；In process, due to the presence of ball in clamping head, shaft-like workpiece can be more stable with machine tool chief axis
Carry out revolution processing, to guarantee machining accuracy；Due to being not necessarily to machining center hole, to protect the complete of shaft-like workpiece end face
Whole property, provides convenience for following process.
Detailed description of the invention
Fig. 1 is utility model structural schematic diagram.
Fig. 2 is utility model clamping device structural schematic diagram.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the partial exploded view of clamping element.
Appended drawing reference is as follows: attachment base 1；Die nut 2；Bidirectional-screw 3；Clamping element 4；Screw 5；Rectangular channel 6；Interior six side
Hole 7；Spherical groove 8；Slide bar 9 and sliding rod hole 10；Cylinder terminal pad 11；Positioning end 12；Clamping head 41；Grip base 42；V-block
411；Ball baffle 412；Ball 413.
Specific embodiment
To be easy to understand technological means, creation characteristic, the purpose reached and effect of the utility model, under
Face combines specific embodiment, and the utility model is further described.
As shown in fig. 1 to fig. 4, the top replacing clamp of a kind of adjustable diameter, including clamping element 4, Bidirectional-screw 3,6 and of slide bar
Attachment base 1, attachment base 1 include cylinder terminal pad 11 and positioning end 12, and 11 side of cylinder terminal pad is equipped with rectangular channel 6, the other side
Equipped with positioning end 12；The 6 inside left and right sides of rectangular channel is equipped with the clamping element 4 being arranged symmetrically.
Clamping element 4 includes clamping head 41 and grip base 42 and passes through screw 5 and connect and make clamping head 41 and grip base 42
It is connected as one.
Clamping head 41 includes V-block 411, ball 413 and ball baffle 412, and the V-type face of V-block 411 is equipped with spherical groove
8 and in being mounted on ball 413 by ball baffle 412, ball 413 can roll in spherical groove 8.
It is connected between grip base 42 and Bidirectional-screw 3 by trapezoidal thread.
42 lower part of grip base is equipped with the sliding rod hole 10 of bilateral symmetry distribution for connecting slide bar 9.
Bidirectional-screw 3 using intermediate cross-section as boundary, side be it is left-handed, the other side is dextrorotation and to set at the end face center of left and right
There are hexagonal hole 7 in standard.
The workflow of top fixture provided by the utility model is as follows: by the positioning of the top replacing clamp of adjustable diameter
In the corresponding taper hole of 12 insertion tailstock tool of end, so that top replacing clamp is fixed.Die nut 2 is inserted into interior hexagonal hole
In 7, die nut 2 is rotated, Bidirectional-screw 3 is driven to rotate, two clamping elements 4 in left and right are rotated by Bidirectional-screw 3 to centre
Translation, and then clamp workpiece.Clamping element 4 is equipped with 413 structure of ball, and it is same with machine tool chief axis that workpiece can be achieved after clamping workpiece
Step rotation；The setting of slide bar 9 is in 6 lower part of rectangular channel and connects two clamping elements 4, and clamping element 4 can slide on slide bar 9.It in this way can be with
Workpieces processing and accurate positioning, convenient for disassembly and assembly in the case where not destroying shaft-like workpiece end face, simultaneously because clamping element 4 is equipped with
413 structure of ball, workpiece can realize more stable revolution, ensure the precision of work pieces process.
Preferred embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, several deformations can also be made, improves and substitutes, this
Belong to the protection scope of the utility model.Therefore, the protection scope of the utility model patent should be with appended claims
It is quasi-.
Claims (6)
1. a kind of top replacing clamp of adjustable diameter, including clamping element, Bidirectional-screw, slide bar and attachment base, it is characterised in that: institute
Stating attachment base includes cylinder terminal pad and positioning end, and cylinder terminal pad side is equipped with rectangular channel, and the other side is equipped with positioning end；
The left and right sides is equipped with the clamping element being arranged symmetrically inside the rectangular channel；The clamping element is connected by Bidirectional-screw, by making
Screw rod can be made to be turned round with die nut, thus make clamping element can on screw rod transverse translation, by translation make two it is right
The clamping element of arrangement is claimed to clamp shaft-like workpiece；The clamping element is equipped with roll structure, after clamping workpiece achievable workpiece with
Machine tool chief axis rotates synchronously；In rectangular channel lower part and two clamping elements of connection, the clamping element can be on slide bar for the slide bar setting
Sliding.
2. the top replacing clamp of a kind of adjustable diameter according to claim 1, it is characterised in that: the clamping element includes folder
Tight head and grip base, clamping head are connected by screw to grip base and are integrally formed.
3. the top replacing clamp of a kind of adjustable diameter according to claim 2, it is characterised in that: the clamping head includes V
Type block, ball and ball baffle, the V-type face of the V-block be equipped with spherical groove and ball is mounted on by ball baffle it is interior,
Ball can roll in spherical groove.
4. the top replacing clamp of a kind of adjustable diameter according to claim 2, it is characterised in that: the grip base and institute
It states and is connected between Bidirectional-screw by trapezoidal thread and have self-locking function.
5. the top replacing clamp of a kind of adjustable diameter according to claim 2, it is characterised in that: described two grip bases
The sliding rod hole of bilateral symmetry distribution is equipped with for connecting slide bar.
6. the top replacing clamp of a kind of adjustable diameter according to claim 1, it is characterised in that: the Bidirectional-screw is in
Between section be boundary, side be it is left-handed, the other side is dextrorotation and is equipped with hexagonal hole in standard at the end face center of left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821519420.0U CN208759092U (en) | 2018-09-17 | 2018-09-17 | A kind of top replacing clamp of adjustable diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821519420.0U CN208759092U (en) | 2018-09-17 | 2018-09-17 | A kind of top replacing clamp of adjustable diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208759092U true CN208759092U (en) | 2019-04-19 |
Family
ID=66135936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821519420.0U Expired - Fee Related CN208759092U (en) | 2018-09-17 | 2018-09-17 | A kind of top replacing clamp of adjustable diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208759092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111283098A (en) * | 2020-03-20 | 2020-06-16 | 芜湖职业技术学院 | Nut riveting device for machining |
-
2018
- 2018-09-17 CN CN201821519420.0U patent/CN208759092U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111283098A (en) * | 2020-03-20 | 2020-06-16 | 芜湖职业技术学院 | Nut riveting device for machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190419 Termination date: 20190917 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |