CN206912732U - A kind of irregular part fast fixture - Google Patents
A kind of irregular part fast fixture Download PDFInfo
- Publication number
- CN206912732U CN206912732U CN201720740576.0U CN201720740576U CN206912732U CN 206912732 U CN206912732 U CN 206912732U CN 201720740576 U CN201720740576 U CN 201720740576U CN 206912732 U CN206912732 U CN 206912732U
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- China
- Prior art keywords
- chuck
- conical surface
- abutment sleeve
- screw thread
- clamping
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Abstract
The utility model discloses a kind of irregular part fast fixture, based on the turnery processing of eight prism irregular parts, including abutment sleeve, the chuck for holding parts, the screw thread ring set that connects as one abutment sleeve and chuck that are placed in abutment sleeve；One end of the abutment sleeve is fixing end of the clamping on machine chuck, and the other end is the working end that outer wall sets external screw thread and inwall sets stopper slot；It is located in the chuck in the stopper slot of the working end of abutment sleeve, the cross section that the chuck includes left chuck, right chuck and the holding parts collectively constituted by left chuck, right chuck is in the clamping part of octagon.The utility model is bonded by chuck with part outline, is shunk by the conical surface and is realized that the quick-clamping of part positions, so as to reduce frock expense.
Description
Technical field
The utility model belongs to aviation machine processing technique field, and in particular to a kind of irregular part fast fixture.
Background technology
Generally required in space flight, aviation field using substantial amounts of abnormally-structured part, the abnormally-structured part it is outer
There are all kinds of architectural features, usually polygon, nonstandard director circle etc. on profile, and there are circular hole top grade feature needs in Internal periphery
Processing.These features make it that the clamping of this kind of part, centering are extremely difficult, and frock expense remains high.
Utility model content
The purpose of this utility model is to provide a kind of irregular part fast fixture, the turning based on eight prism irregular parts
Processing, fast clamp irregular part is realized, reduce frock expense.
The utility model is achieved through the following technical solutions：A kind of irregular part fast fixture, it is different based on eight prisms
The turnery processing of type part, including abutment sleeve, be placed in abutment sleeve for holding parts chuck, by abutment sleeve with
The screw thread ring set that chuck connects as one；One end of the abutment sleeve is fixing end of the clamping on machine chuck, the other end
External screw thread is set for outer wall and inwall sets the working end of stopper slot；The spacing of the working end of abutment sleeve is located in the chuck
In groove, the cross section that the chuck includes left chuck, right chuck and the holding parts collectively constituted by left chuck, right chuck is in
The clamping part of octagon；The working end outer wall thread connection of the screw thread ring set and abutment sleeve, the work of the abutment sleeve
Make end inwall and be provided with first conical surface for being used for avoiding screw thread ring set, the outer wall of one end of the chuck clamping is provided with the second cone
Face, the threaded collar are arranged with the voussoir for being connected to the breach that first conical surface and second conical surface are formed.
In order to preferably realize the utility model, further, the outer wall of the chuck could be arranged to taper, Ke Yishi
Now more preferable Clamp blocks.
The setting of the screw thread ring set limits the position of abutment sleeve primarily to make abutment sleeve and chuck integrative-structure
Put.The threaded collar is arranged with internal thread, and the outer wall of the working end of the abutment sleeve is correspondingly arranged on external screw thread, so as to screw thread
Ring set is threadedly coupled by internal thread with the outer wall of the working end of abutment sleeve.
In order to preferably realize the utility model, further, the voussoir is used for the conical surface and second conical surface of clamping
Taper is identical, and the length of second conical surface exceedes the conical surface of voussoir clamping, to ensure that it is certain that the conical surface can have on second conical surface
Shift motion.
The utility model in use, when rotating screw thread ring set close to abutment sleeve, then the voussoir of screw thread ring set
Second conical surface of chuck is exerted oneself, applying a radial load and an axial force, radial load to second conical surface presss from both sides chuck
Tight part, axial force can make the inside of chuck push-in abutment sleeve, so as to realize the clamping to part.
The abutment sleeve is divided into fixing end and working end, and the internal diameter of the working end is more than the internal diameter of fixing end, described
The internal diameter of working end is provided with stopper slot so that chuck is in the inner chamber of working end carries out holding parts all the time, and avoids chuck
Into the inner chamber of fixing end.
In order to preferably realize the utility model, further, working end and the fixing end intersection of the abutment sleeve
Inwall be provided with having three pyramidal faces, one end of the chuck in the abutment sleeve is provided with the 4th conical surface, the 4th conical surface and the 3rd
The conical surface has completely the same taper, fully mated to ensure, and the length of having three pyramidal faces is more than the 4th conical surface, to ensure the 4th
The conical surface can have certain shift motion on having three pyramidal faces.The having three pyramidal faces are provided for spacing chuck.
The utility model is the turnery processing based on eight prism irregular parts, and the face of the clamping of the chuck is arranged to and eight
The octagon that prism irregular part mutually agrees with.The adjacent both sides point of intersection of the octagon of the cross section of the clamping of the chuck is equal
Provided with the groove for avoiding part seamed edge.The setting of groove is for more stable clamping irregular part, and the groove can be with
Coordinate the structures such as the projection on irregular part, so as to more agree with firm clamping irregular part.
In order to preferably realize the utility model, further, between being provided between the left chuck and right chuck of the chuck
Gap, the width in the gap are bigger 0.2mm than the thickness manufacturing tolerance band at parts fixation position.The setting in the gap can be realized
Chuck holding parts initially can preferably agree with different in nature part, preferably firm clamping irregular part.
In order to preferably realize the utility model, further, rolling can be threaded on the outer wall of the screw thread ring set
Any one in pressure, pin, convex column, to facilitate the rotation process of screw thread ring set.
In order to preferably realize the utility model, further, the abutment sleeve is integrally formed, the abutment sleeve
Working end is coaxially disposed with fixing end.
One of use state of the present utility model is：When unscrewing screw thread ring set, then the left chuck of chuck and right chuck are matched somebody with somebody
Conjunction carries out clamping irregular part；When screw thread ring set, then the voussoir of screw thread ring set and having three pyramidal faces are respectively from relative side
To second conical surface is held out against, so that making chuck under radial compacting force effect to abutment sleeve contract, with Clamp blocks.
The beneficial effects of the utility model：
（1）What second conical surface of first conical surface and chuck that agree with abutment sleeve using the voussoir of screw thread ring set was formed lacks
Mouthful, realize limitation chuck and moved in abutment sleeve；
（2）The having three pyramidal faces of abutment sleeve are identical with the taper of the 4th conical surface of chuck, and the length of having three pyramidal faces is more than
The length of 4th conical surface, realize that shock-absorbing clip is enclosed on the motion of abutment sleeve.
（3）The abutment sleeve improves the accuracy of fixture while simplifies the structure of fixture using being integrally formed；
（4）The width in the gap between the left chuck and right chuck of the chuck is than the thickness deviation band in parts fixation portion
Big 0.2mm, ensure fast clamp part.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the profile of abutment sleeve of the present utility model；
Fig. 3 is the profile of chuck of the present utility model；
Fig. 4 is the left view of chuck of the present utility model；
Fig. 5 is the profile of screw thread ring set of the present utility model；
Fig. 6 is clamping schematic diagram of the present utility model.
In figure：1- abutment sleeves, 2- chucks, 3- screw threads ring set, the conical surfaces of 4- first, the conical surfaces of 5- second, 6- having three pyramidal faces, 7-
4th conical surface, the left chucks of 8-, the right chucks of 9-, 10- gaps, 11- grooves, 12- voussoirs, 13- simulation parts.
Embodiment
Embodiment 1：
The present embodiment is illustrated with reference to Fig. 1, a kind of irregular part fast fixture, the car based on eight prism irregular parts
Cut processing, including abutment sleeve 1, be placed in abutment sleeve 1 for the chuck 2 of holding parts, by abutment sleeve 1 and chuck 2
The screw thread ring set 3 connected as one；One end of the abutment sleeve 1 is fixing end of the clamping on machine chuck, and the other end is
Outer wall sets external screw thread and inwall sets the working end of stopper slot；The spacing of the working end of abutment sleeve 1 is located in the chuck 2
In groove；The chuck 2 includes the horizontal stroke of left chuck 8, right chuck 9 and the holding parts collectively constituted by left chuck 8, right chuck 9
Section is in the clamping part of octagon, and the outer wall external diameter of the side of the clamping of the chuck 2 is less than the external diameter of chuck 2；Such as Fig. 5 institutes
Show, the screw thread ring set 3 is connected with the working end outer wall thread of abutment sleeve 1, and the screw thread ring set 3 is provided with voussoir 12.
As shown in Fig. 2 the working end inwall of the abutment sleeve 1 is provided with first conical surface 4 for being used for avoiding screw thread ring set 3,
The working end of the abutment sleeve 1 is provided with having three pyramidal faces 6 with the inwall of fixing end intersection；As shown in figure 3, the chuck 2 presss from both sides
Second conical surface 5 and the 4th conical surface 7 are respectively equipped with the outer wall at the both ends held.
As shown in figure 5, the screw thread ring set 3 is provided with the voussoir for being connected to the breach that first conical surface 4 and second conical surface 5 are formed
12, the screw thread ring set 3 can carry out rotational slide with relative positioning sleeve 1 or chuck 2.The voussoir 12 is used for the conical surface of clamping
It is identical with the taper of second conical surface 5, and the length of second conical surface 5 exceedes the conical surface of the clamping of voussoir 12, to ensure that the conical surface can be the
There is certain shift motion on two conical surfaces 5.
4th conical surface 7 and having three pyramidal faces 6 have completely the same taper, fully mated to ensure, and having three pyramidal faces 6
Length more than the 4th conical surface 7, to ensure that the 4th conical surface 7 can have certain shift motion on having three pyramidal faces 6.
One of use state of the present utility model is, when unscrewing screw thread ring set 3, then the left chuck 8 of chuck 2 and right chuck
9 cooperations carry out clamping irregular part；As shown in fig. 6, when screw thread ring set 3, then the voussoir 12 and third hand tap of screw thread ring set 3
Face 6 holds out against second conical surface 5 from relative direction respectively, so that making chuck 2 under radial compacting force effect into abutment sleeve 1
Shrink, part 13 is simulated to clamp.
The utility model agrees with first conical surface 4 and the second of chuck 2 of abutment sleeve 1 using the voussoir 12 of screw thread ring set 3
The breach that the conical surface 5 is formed, realize limitation chuck 2 and moved in abutment sleeve 1；The having three pyramidal faces 6 of the abutment sleeve 1 and folder
The taper of 4th conical surface 7 of set 2 is identical, and the length of having three pyramidal faces 6 is more than the length of the 4th conical surface 7, realizes that buffering chuck 2 exists
The motion of abutment sleeve 1.The utility model is shunk by the conical surface realizes that the quick-clamping of part positions, and reduces frock expense.
Embodiment 2：
The present embodiment is optimized on the basis of embodiment 1, as shown in figure 4, the cross section of the clamping of the chuck 2
The adjacent both sides point of intersection of octagon be equipped with groove 11 for avoiding part seamed edge；The He of left chuck 8 of the chuck 2
Gap 10 is provided between right chuck 9, the width in the gap 10 is bigger 0.2mm than the thickness manufacturing tolerance band at parts fixation position,
To ensure whenever part can be in into stabilizing grip state.
Thickness deviation of the width in the gap 10 in the utility model between left chuck 8 and right chuck 9 than parts fixation portion
The big 0.2mm of band, ensure fast clamp part；The clamping cross section of the chuck 2 is provided with groove 11, can avoid abnormal shape zero
The seamed edge of part protrusion.The utility model is shunk by the conical surface realizes that the quick-clamping of part positions, and reduces frock expense.
The other parts of the present embodiment are same as Example 1, therefore repeat no more.
Embodiment 3：
The present embodiment is optimized on the basis of embodiment 1 or embodiment 2, and the abutment sleeve 1 is integrally formed, institute
State and rolling is threaded on the outer wall of screw thread ring set 3 to facilitate the rotation process of screw thread ring set 3.
The present embodiment uses integrally formed abutment sleeve 1, improves the accuracy of fixture.The utility model is received by the conical surface
The quick-clamping positioning of part is realized in contracting, reduces frock expense.
The other parts of the present embodiment are identical with embodiment 1 or embodiment 2, therefore repeat no more.
It is described above, only it is preferred embodiment of the present utility model, any formal limit is not done to the utility model
System, every any simple modification made according to the technical essence of the utility model to above example, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (7)
1. a kind of irregular part fast fixture, the turnery processing based on eight prism irregular parts, it is characterised in that including positioning sleeve
Cylinder（1）, be placed in abutment sleeve（1）The interior chuck for holding parts（2）, by abutment sleeve（1）With chuck（2）It is connected as one
The screw thread ring set of body（3）；The abutment sleeve（1）One end be fixing end of the clamping on machine chuck, the other end is outer wall
External screw thread is set and inwall sets the working end of stopper slot；The chuck（2）It is interior to be located at abutment sleeve（1）Working end it is spacing
In groove, the chuck（2）Including left chuck（8）, right chuck（9）And by left chuck（8）, right chuck（9）The folder collectively constituted
The cross section for holding part is in the clamping part of octagon；The screw thread ring set（3）With abutment sleeve（1）Working end outer wall thread
Connection, the abutment sleeve（1）Working end inwall be provided be used for avoid screw thread ring set（3）First conical surface（4）, the chuck
（2）The outer wall of one end of clamping is provided with second conical surface（5）, the screw thread ring set（3）Provided with being connected to first conical surface（4）With
Two conical surfaces（5）The voussoir of the breach of formation（12）.
A kind of 2. irregular part fast fixture according to claim 1, it is characterised in that the voussoir（12）For clamping
The conical surface and second conical surface（5）Taper it is identical, and second conical surface（5）Length exceed voussoir（12）The conical surface of clamping, to protect
Demonstrate,proving the conical surface can be in second conical surface（5）It is upper that there is certain shift motion.
A kind of 3. irregular part fast fixture according to claim 1 or 2, it is characterised in that the abutment sleeve（1）'s
Working end and the inwall of fixing end intersection are provided with having three pyramidal faces（6）, the abutment sleeve（1）Interior chuck（2）One end set
There is the 4th conical surface（7）, the 4th conical surface（7）With having three pyramidal faces（6）It is fully mated to ensure with completely the same taper,
And having three pyramidal faces（6）Length more than the 4th conical surface（7）, to ensure the 4th conical surface（7）Can be in having three pyramidal faces（6）It is upper to have one
Determine shift motion.
A kind of 4. irregular part fast fixture according to claim 1, it is characterised in that the chuck（2）Left chuck
（8）With right chuck（9）Between be provided with gap（10）, the gap（10）Width than parts fixation position thickness manufacturing tolerance
With big 0.2mm, to guarantee part being in stabilizing grip state.
A kind of 5. irregular part fast fixture according to claim 1 or 4, it is characterised in that the chuck（2）Clamping
The adjacent both sides point of intersection of octagon of cross section be equipped with groove for avoiding part seamed edge（11）.
A kind of 6. irregular part fast fixture according to claim 1, it is characterised in that the screw thread ring set（3）It is outer
Any one in rolling, pin, convex column can be threaded on wall, to facilitate screw thread ring set（3）Rotation process.
A kind of 7. irregular part fast fixture according to claim 1, it is characterised in that the abutment sleeve（1）For one
It is body formed, the abutment sleeve（1）Working end be coaxially disposed with fixing end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720740576.0U CN206912732U (en) | 2017-06-23 | 2017-06-23 | A kind of irregular part fast fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720740576.0U CN206912732U (en) | 2017-06-23 | 2017-06-23 | A kind of irregular part fast fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206912732U true CN206912732U (en) | 2018-01-23 |
Family
ID=61322514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720740576.0U Active CN206912732U (en) | 2017-06-23 | 2017-06-23 | A kind of irregular part fast fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206912732U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956671A (en) * | 2018-09-27 | 2018-12-07 | 中国航发北京航空材料研究院 | Scanning electron microscope test special-shaped sample carrying and stationary fixture |
| CN113118701A (en) * | 2021-03-17 | 2021-07-16 | 北京长征天民高科技有限公司 | Valve body part clamping method |
| CN114260736A (en) * | 2021-10-29 | 2022-04-01 | 中国航发西安动力控制科技有限公司 | Opening sleeve for thin-wall step cover plate and thin-wall step cover plate machining method |
-
2017
- 2017-06-23 CN CN201720740576.0U patent/CN206912732U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956671A (en) * | 2018-09-27 | 2018-12-07 | 中国航发北京航空材料研究院 | Scanning electron microscope test special-shaped sample carrying and stationary fixture |
| CN113118701A (en) * | 2021-03-17 | 2021-07-16 | 北京长征天民高科技有限公司 | Valve body part clamping method |
| CN114260736A (en) * | 2021-10-29 | 2022-04-01 | 中国航发西安动力控制科技有限公司 | Opening sleeve for thin-wall step cover plate and thin-wall step cover plate machining method |
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