CN202910604U - Split-type combination workpiece outer circle fixture - Google Patents
Split-type combination workpiece outer circle fixture Download PDFInfo
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- CN202910604U CN202910604U CN 201220642556 CN201220642556U CN202910604U CN 202910604 U CN202910604 U CN 202910604U CN 201220642556 CN201220642556 CN 201220642556 CN 201220642556 U CN201220642556 U CN 201220642556U CN 202910604 U CN202910604 U CN 202910604U
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- urceolus
- inner core
- cylinder
- small cylindrical
- cylindrical surface
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Abstract
The utility model discloses a split-type combination workpiece outer circle fixture. The split-type combination workpiece outer circle fixture comprises an outer cylinder, an inner cylinder, a plurality of wedge-shaped blocks, and a plurality of fastening screws. A plurality of threaded through holes are formed in a small cylindrical surface of the outer cylinder, and inner threads are arranged on a big cylindrical surface of the outer cylinder. A plurality of installing holes are formed in a small cylindrical surface of the inner cylinder, and outer threads are arranged on a middle cylindrical surface of the inner cylinder. The wedge-shaped blocks are in a hexahedron structure, wherein outer contour faces are tapered faces, and four side contour faces are flat faces. The inner threads which are arranged on the big cylindrical face of the outer cylinder are matched with the outer threads of the middle cylindrical face of the inner cylinder, and the small cylindrical face of the outer cylinder is attached with the small cylindrical face of the inner cylinder. The fastening screws are matched with the threaded through holes. By the adoption of the technical scheme, not only is reliable clamping to a split-type combination workpiece outer circle achieved, but also clamping force is even, the structure is compact, after the workpiece outer circle is clamped tightly, the fixture can lock and prevent looseness, and use is convenient and reliable.
Description
Technical field
The utility model relates to a kind of clamping tool for machine work, particularly a kind of split-type assembly part outer jig.
Background technology
The split-type assembly is down-hole mechanical part combining structure commonly used in the petroleum industry, and integral body is drum usually, is combined by the some identical splitted structure along the axis symmetry.The difficulty of processing of split-type assembly part is larger, add the surface quality that should guarantee each lobe part man-hour, to satisfy simultaneously shape and the positional precision of part integral body after the combination, often need to carry out again after will the combination of the distinguish part after the semifinishing fine finishining of assembly.Therefore, the processing of split-type assembly must be used the cylindrical jig, and this jig should satisfy the requirement that chucking is convenient and reliable, simple in structure, volume is little.
Present cylindrical jig is inhomogeneous to clamping force along excircle, easily causes the rear part dislocation of combining structure chucking distortion, and existing fixture structure is complicated simultaneously, volume is larger, is had relatively high expectations in the operating space of lathe.
Summary of the invention
The purpose of this utility model is to provide a kind of can the realization that split-type assembly part outer is reliably tightened, and clamping force evenly, compact conformation and have chucking after the split-type assembly part outer jig of locking locking functions.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of split-type assembly part outer jig comprises urceolus, inner core, a plurality of wedge and a plurality of trip bolt.Urceolus is the hollow cylinder body structure, and contoured surface comprises the urceolus great circle cylinder that is positioned at the end, internal diameter less than the urceolus small cylindrical surface of urceolus great circle cylinder and is positioned at the middle part and urceolus taper surface that two ends join with urceolus great circle cylinder and urceolus small cylindrical surface respectively in it.Be provided with along circumferential equally distributed a plurality of tapped through holes at the urceolus small cylindrical surface, be provided with internal thread on the urceolus great circle cylinder.
Inner core is the inner stepped rotary structure that is provided with cylindrical cavity, its outer surface comprises the inner core great circle cylinder that is arranged in the end, be arranged in the middle part and external diameter joins less than the inner core face of cylinder of inner core great circle cylinder and with the inner core face of cylinder and internal diameter less than the inner core small cylindrical surface on the inner core face of cylinder.Be provided with along circumferential equally distributed a plurality of square penetrating installing holes at the inner core small cylindrical surface, be provided with external screw thread in the inner core on the face of cylinder.
Wedge is hexahedron structure, and its outer surface is the conical surface that has same slope with the urceolus taper surface, four planes that the side profile face adapts for the size with installing hole.
The external screw thread that arranges on the face of cylinder in the internal thread that arranges on the urceolus great circle cylinder and the inner core matches, and urceolus small cylindrical surface and inner core small cylindrical surface fit.Wedge is entrenched in the installing hole, and the outer surface of wedge and urceolus taper surface fit.Trip bolt matches with tapped through hole.
Clamping function for split-type assembly part outer is mainly realized by the extruding wedge.The cylindrical cavity that arranges on the inner core is used for placing split-type assembly part to be tightened, after part is put into, with the length that is threaded between the inner core urceolus small cylindrical surface is moved by regulating urceolus towards the direction of inner core great circle cylinder, under the squeezing action of urceolus taper surface, wedge radially moves to the center, thus the chucking part.Trip bolt can play the locking effect of locking to part.
In said apparatus, can select according to the needs of part to be processed number and the size of wedge.When the lobe number of the quantity of wedge and split-type assembly is identical, can obtain the most uniformly clamping force.The quantity of trip bolt is traditionally arranged to be 2 to 3.
Preferably, be provided with positive stop lug boss near the outer surface place on the side profile face of wedge, fall in the cylindrical cavity on the inner core to prevent wedge.
Preferably, trip bolt is interior six side's sunk screws.The countersunk head structure can be avoided producing in to the clamping process of urceolus and interfere.
Adopt split-type assembly part outer jig of the present utility model, be threaded connection and being used in conjunction with of cone structure, and the setting of equally distributed wedge and trip bolt, not only realized the reliable grip to split-type assembly part outer, and clamping force is even, compact conformation, can lock locking, easy to use and reliable behind the chucking.
Description of drawings
Fig. 1 is that the utility model split-type assembly part outer jig is in the structural representation under the clamped condition not.
Fig. 2 is that the utility model split-type assembly part outer jig is in the structural representation under the clamped condition.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described in detail.
As shown in Figure 1,1 is urceolus, and 2 is inner core, and 3 is wedge, and 4 is trip bolt, and wherein wedge 3 and trip bolt 4 are 3.Urceolus 1 is the hollow cylinder body structure, and contoured surface comprises the urceolus great circle cylinder 101 that is positioned at the end, internal diameter less than the urceolus small cylindrical surface 102 of urceolus great circle cylinder 101 and is positioned at the middle part and urceolus taper surface 103 that two ends join with urceolus great circle cylinder 101 and urceolus small cylindrical surface 102 respectively in it.Be provided with along circumferential equally distributed 3 tapped through holes 104 at urceolus small cylindrical surface 102, be provided with internal thread on the urceolus great circle cylinder 101.
Wedge 3 is hexahedron structure, and its outer surface is the conical surface that has same slope with urceolus taper surface 103, four planes that the side profile face adapts for the size with installing hole 204, and be provided with positive stop lug boss 301 near the outer surface place on the side profile face.
The external screw thread that arranges on the face of cylinder 202 in the internal thread that arranges on the urceolus great circle cylinder 101 and the inner core matches, and urceolus small cylindrical surface 102 and inner core small cylindrical surface 203 fit.3 wedges 3 are entrenched in respectively in the corresponding installing hole 204, and the outer surface of wedge 3 and urceolus taper surface 103 fit.Trip bolt 4 is interior six side's sunk screws, and 3 trip bolts 4 match with corresponding tapped through hole 104 respectively.
In the time need to tightening the cylindrical of split-type assembly part, at first unscrew trip bolt 4, by regulating the length that is threaded between urceolus 1 and the inner core 2, urceolus small cylindrical surface 102 is in from inner core great circle cylinder 201 apart from farthest positions.Split-type assembly part is inserted through the cylindrical cavity of inner core 2, each wedge 3 radially expands outwardly under the extruding that is inserted into part.Subsequently, regulate in the other direction the length that is threaded between urceolus 1 and the inner core 2, urceolus small cylindrical surface 102 is moved towards the direction of inner core great circle cylinder 201, and wedge 3 radially moves to the center under the thrust of urceolus taper surface 103, thereby the assembly workpiece is evenly clamped.Screw at last trip bolt 4, realize locking to the locking of assembly workpiece.
When the assembly workpiece that clamps is carried out removal, at first unscrew trip bolt 4, then regulate the length that is threaded between urceolus 1 and the inner core 2, make urceolus small cylindrical surface 102 away from inner core great circle cylinder 201, wedge 3 is released, and the assembly workpiece can be extracted out from jig.
The above only is preferred embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvement, these improvement also should be considered as protection domain of the present utility model.
Claims (3)
1. a split-type assembly part outer jig is characterized in that: comprise urceolus (1), inner core (2), a plurality of wedge (3) and a plurality of trip bolt (4);
Described urceolus (1) is the hollow cylinder body structure, and the interior contoured surface of described urceolus (1) comprises the urceolus great circle cylinder (101) that is positioned at the end, internal diameter less than the urceolus small cylindrical surface (102) of described urceolus great circle cylinder (101) and is positioned at the middle part and urceolus taper surface (103) that two ends join with described urceolus great circle cylinder (101) and described urceolus small cylindrical surface (102) respectively; Be provided with along circumferential equally distributed a plurality of tapped through holes (104) at described urceolus small cylindrical surface (102); Be provided with internal thread on the described urceolus great circle cylinder (101);
Described inner core (2) is the inner stepped rotary structure that is provided with cylindrical cavity, the outer surface of described inner core (2) comprises the inner core great circle cylinder (201) that is arranged in the end, be arranged in the middle part and external diameter joins less than the inner core face of cylinder (202) of described inner core great circle cylinder (201) and with the described inner core face of cylinder (202) and internal diameter less than the inner core small cylindrical surface (203) on the described inner core face of cylinder (202); Be provided with along circumferential equally distributed a plurality of square penetrating installing holes (204) at described inner core small cylindrical surface (203); The face of cylinder in the described inner core is provided with external screw thread on (202);
Described wedge (3) is hexahedron structure, and its outer surface is the conical surface that has same slope with described urceolus taper surface (103), four planes that the side profile face adapts for the size with described installing hole (204);
The upper described internal thread that arranges of described urceolus great circle cylinder (101) matches with the upper described external screw thread that arranges in the face of cylinder (202) in the described inner core; Described urceolus small cylindrical surface (102) fits with described inner core small cylindrical surface (203); Described wedge (3) is entrenched in the described installing hole (204), and the outer surface of described wedge (3) and described urceolus taper surface (103) fit; Described trip bolt (4) matches with described tapped through hole (104).
2. split-type assembly part outer jig according to claim 1 is characterized in that: be provided with positive stop lug boss (301) near the outer surface place on the side profile face of described wedge (3).
3. split-type assembly part outer jig according to claim 1, it is characterized in that: described trip bolt (4) is interior six side's sunk screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220642556 CN202910604U (en) | 2012-11-28 | 2012-11-28 | Split-type combination workpiece outer circle fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220642556 CN202910604U (en) | 2012-11-28 | 2012-11-28 | Split-type combination workpiece outer circle fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202910604U true CN202910604U (en) | 2013-05-01 |
Family
ID=48158949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220642556 Expired - Fee Related CN202910604U (en) | 2012-11-28 | 2012-11-28 | Split-type combination workpiece outer circle fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202910604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109277437A (en) * | 2018-10-10 | 2019-01-29 | 中国航发哈尔滨东安发动机有限公司 | Bind round circle device in a kind of thin-wall tube shaft end portion |
-
2012
- 2012-11-28 CN CN 201220642556 patent/CN202910604U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109277437A (en) * | 2018-10-10 | 2019-01-29 | 中国航发哈尔滨东安发动机有限公司 | Bind round circle device in a kind of thin-wall tube shaft end portion |
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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: 20130501 Termination date: 20161128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |