CN207103571U - A kind of drift - Google Patents
A kind of drift Download PDFInfo
- Publication number
- CN207103571U CN207103571U CN201720990849.7U CN201720990849U CN207103571U CN 207103571 U CN207103571 U CN 207103571U CN 201720990849 U CN201720990849 U CN 201720990849U CN 207103571 U CN207103571 U CN 207103571U
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- CN
- China
- Prior art keywords
- cylindrical portion
- diameter
- bolt
- head
- drift
- 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 discloses a kind of drift, including drift body and bolt, the bolt includes screw rod and bolt head, and one end of the screw rod is provided with screw thread, and the bolt head is located at the other end of screw rod；Through hole is provided with along the axis of the drift body, the diameter of through hole is more than the diameter of screw rod, less than the circumscribed circle diameter of bolt head；The drift body includes head and punch holder, and the head is arranged on the front end of punch holder；The head and punch holder are Split type structure, and convex portion is provided with the rear end on head, and corresponding recess is provided with the front end of punch holder, and the convex portion is fastened in recess, and the screw rod of the bolt passes through the through hole of drift body, is passed from the rear end of punch holder.The utility model provides a kind of drift, drift is only changed the part of abrasion when wearing, and can effectively reduce cost, saves resource.
Description
Technical field
It the utility model is related to the drift of pipe end forming machine, more particularly to the Split punch of pipe end forming machine.
Background technology
In the prior art, drift is to pipe end during bulging processing is carried out, the front end of drift easily abrasion, it is necessary to
Often change, and existing drift is formed in one structure, the drift of concentrated wear can only integral replacing, cause cost to increase,
The wasting of resources.
Therefore, prior art could be improved and develop.
Utility model content
The purpose of this utility model is to provide a kind of drift, drift only need to be changed wearing part after wearing, can be effective
Cost is reduced, saves resource.
The technical solution of the utility model is as follows：
A kind of drift, including drift body and bolt, wherein, the bolt includes screw rod and bolt head, the screw rod
One end be provided with screw thread, the bolt head is located at the other end of screw rod；
The through hole through drift body is provided with along the axis of the drift body, the diameter of through hole is more than the diameter of screw rod,
Less than the circumscribed circle diameter of bolt head；
The drift body includes head and punch holder, and the head is arranged on the front end of punch holder；
The head includes round platform portion and the first cylindrical portion, and the profile in the round platform portion is the round platform that diameter gradually increases,
It is provided with the first cylindrical portion at the maximum gauge in round platform portion, the profile of first cylindrical portion is cylinder, the maximum in round platform portion
Diameter is equal with the diameter of the first cylindrical portion, and the axis in round platform portion overlaps with the axis of the first cylindrical portion；In the front end in round platform portion
Provided with bolt hole clipping, the diameter of bolt hole clipping is more than the circumscribed circle diameter of bolt head, and bolt hole clipping and through hole are coaxial；
The punch holder includes the second cylindrical portion and punch holder holding section, and the profile of second cylindrical portion is cylinder,
The diameter of second cylindrical portion is equal with the diameter of the first cylindrical portion；Punch holder holding section is cylinder, punch holder holding section it is straight
Footpath is more than the diameter of through hole, and less than the diameter of the second cylindrical portion, punch holder holding section is arranged on the rear end of the second cylindrical portion；
The head and punch holder are Split type structure, convex portion are provided with the rear end of the first cylindrical portion, in the second cylindrical portion
Front end is provided with corresponding recess, and the convex portion is fastened in recess, makes the rear end of the first cylindrical portion and the front end of the second cylindrical portion
The axis of fitting, the axis of the first cylindrical portion and the second cylindrical portion overlaps；The screw rod of the bolt sequentially pass through bolt hole clipping and
Through hole, screw rod set threaded one end and passed from the rear end of the second cylindrical portion, and the bolt head is stuck in bolt hole clipping.
Described drift, wherein, the convex portion is the circle ring column coaxial with through hole, and the external diameter of convex portion is more than the straight of through hole
Footpath, less than the diameter of the first cylindrical portion, step is formed between convex portion and the first cylindrical portion, the recess is the circle coaxial with through hole
Hole, the diameter of recess are slightly larger than the external diameter of convex portion.
Described drift, wherein, the bolt is hexagon socket head cap screw.
Described drift, wherein, the intersection of the front end in the round platform portion and the side in round platform portion is set to fillet, the circle
The intersection of the side in platform portion and the side of the first cylindrical portion is set to fillet, side and the first cylindrical portion of first cylindrical portion
The intersection of rear end be set to fillet.
The beneficial effects of the utility model are as follows：
1st, drift of the present utility model uses split-type structural, makes head and nonabradable drift that drift easily wears
Seat is separable, after the abrasion of the head of drift, need to only change the head of abrasion, punch holder is then continuing with, and greatlys save money
Source, reduce cost.
2nd, the through hole extended along axis is provided with drift body of the present utility model, bolt passes through through hole, head and punching
Headstock is worn together, then by the screw thread on bolt, is spun on pipe end forming machine, is made head and punch holder by axial compression one
Rise, because bolt is axially disposed, do not interfere with the normal work of drift, and bolt head is located at the front end face in round platform portion, side
Just the replacing of drift and the replacing on head.
3rd, the utility model is provided with convex portion in the rear end of the first cylindrical portion, and recess is provided with the front end of the second cylindrical portion, recessed
The setting of convex cooperation makes the axis on head be easier to be aligned with the axis of punch holder, and punch holder is provided with the rear end of the second cylindrical portion
Holding section, punch holder holding section is set to be easier to be aligned with pipe end forming machine, convenient installation.
Brief description of the drawings
Fig. 1 is profile of the drift body along axis in the utility model.
Fig. 2 is assembling section of the drift along axis in the utility model.
Fig. 3 is the perspective view on the head of drift body in the utility model.
Description of reference numerals：
1st, head；2nd, punch holder；3rd, round platform portion；4th, the first cylindrical portion；5th, the second cylindrical portion；6th, punch holder holding section；7、
Bolt hole clipping；8th, head through hole；9th, drift block hole；10th, convex portion；11st, recess；12nd, bolt head；13rd, screw rod.
Embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, clear and definite, develop simultaneously implementation referring to the drawings
The utility model is further described example.
As depicted in figs. 1 and 2, a kind of drift, including drift body and bolt；Bolt includes screw rod 13 and bolt head
12, one end of screw rod 13 is provided with screw thread, and bolt head 12 is located at the other end of screw rod 13, and hex bolts or interior six can be selected in bolt
Corner bolt.
The through hole through drift body is provided with along the axis of drift body, the diameter of through hole is more than the diameter of screw rod 13, small
In the circumscribed circle diameter of bolt head 12.Drift body includes head 1 and punch holder 2, and head 1 is arranged on the front end of punch holder 2,
As shown in figure 3, head 1 includes the cylindrical portion 4 of round platform portion 3 and first, the profile in round platform portion 3 is the round platform that diameter gradually increases,
The first cylindrical portion 4 is provided with the maximum gauge in round platform portion 3；The profile of first cylindrical portion 4 is cylinder, and the maximum in round platform portion 3 is straight
Footpath is equal with the diameter of the first cylindrical portion 4, and the axis in round platform portion 3 overlaps with the axis of the first cylindrical portion 4, round platform portion 3 and first
Cylindrical portion 4 is integrally formed；In head 1, head through hole 8 is provided with along the axis on head 1, head through hole 8 is through round platform portion 3 and the
One cylindrical portion 4；Bolt hole clipping 7 is provided with the front end in round platform portion 3, the diameter of bolt hole clipping 7 is more than the circumscribed circle of bolt head 12
Diameter, bolt hole clipping 7 and the through hole in round platform portion 3 are coaxial.
Punch holder 2 includes the second cylindrical portion 5 and punch holder holding section 6, and the profile of the second cylindrical portion 5 is cylinder, and second
The diameter of cylindrical portion 5 is equal with the diameter of the first cylindrical portion 4；Punch holder holding section 6 is that diameter is less than the diameter of the second cylindrical portion 5
Cylinder, punch holder holding section 6 are arranged on the rear end of the second cylindrical portion 5, the one of 6 and second cylindrical portion of punch holder holding section 5 into
Type；In punch holder 2, drift block hole 9 is provided with along the axis of punch holder 2, drift block hole 9 is through the second cylindrical portion 5 and punching
Headstock holding section 6, head through hole 8 are equal with the diameter of drift block hole 9.Punch holder holding section 6 and the drift of pipe end forming machine are pacified
It is adapted at dress, punch holder holding section 6 makes drift be easier to be aligned and engage with the drift installation place of pipe end forming machine, makes drift
Installation is more convenient.
Head 1 and punch holder 2 are Split type structure, convex portion 10 are provided with the rear end of the first cylindrical portion 4, in the second cylindrical portion 5
Front end be provided with recess 11, convex portion 10 is fastened in recess 11, makes the rear end of the first cylindrical portion 4 and the front end of the second cylindrical portion 5
The axis of fitting, the axis of the first cylindrical portion 4 and the second cylindrical portion 5 is overlapped, and convex portion 10 is integrally formed with the first cylindrical portion 4.It is excellent
Selection of land, convex portion 10 are the circle ring column coaxial with head through hole 8, and the external diameter of convex portion 10 is more than the diameter of head through hole 8, less than the
The diameter of one cylindrical portion 4, step is formed between the cylindrical portion 4 of convex portion 10 and first, recess 11 is the circle coaxial with drift block hole 9
Hole, the diameter of recess 11 are slightly larger than the external diameter of convex portion 10；Head through hole 8 runs through convex portion 10.In addition, the profile of convex portion 10 can be with
Right prism is arranged to, such as straight triangular prism, straight quadrangular, recess 11 are arranged to the hole with the shape adaptation of convex portion 10.Drift is adopted
With split-type structural, make head 1 that drift easily wears and nonabradable punch holder 2 separable, worn on the head 1 of drift
Afterwards, the head 1 of abrasion need to be only changed, punch holder 2 is then continuing with, greatlys save resource, reduces cost.Convex portion 10 and recessed
The cooperation in portion 11 make head 1 axis be easier be directed at the axis of punch holder 2, facilitate bolt to pass through through hole, also make head 1 and
The joint of punch holder 2 is smoother.
13 screwed one end of screw rod of bolt penetrates from the bolt hole clipping 7 on head 1, and sequentially passes through head through hole 8
With drift block hole 9,13 screwed one end of screw rod passes from the punch holder holding section 6 of the rear end of the second cylindrical portion 5, head 1
Engaged by convex portion 10 with the recess 11 of punch holder 2, the axis on head 1 is overlapped with the axis of punch holder 2, bolt head 12 blocks
In bolt hole clipping 7.The through hole extended along axis is respectively equipped with head 1 and punch holder 2, bolt passes through through hole labour contractor vertically
Portion 1 and punch holder 2 link together, the axis that bolt only passes through inside drift as connector, will not be in the lateral surface of drift
Protrusion is formed, influences the normal work of drift, and bolt head 12 is located at the front end face in round platform portion 3, facilitates the replacing of drift
With the replacing on head 1.
Further, the intersection of the side in the front end in round platform portion 3 and round platform portion 3 is set to fillet, the side in round platform portion 3 with
The intersection of the side of first cylindrical portion 4 is set to fillet, and the side of the first cylindrical portion 4 is intersected with the rear end of the first cylindrical portion 4
Place is set to fillet.It is fillet the corner angle processing for the cylindrical portion 4 of round platform portion 3 and first that drift easily wears, drift mill can be reduced
While damage, the corner angle of drift are also avoided to damage pipe.
The assembly method of drift of the present utility model is：First, before the convex portion 10 of punch 1 being fastened on punch holder 2
In the recess 11 at end, the axis on head 1 is set to be overlapped with the axis of punch holder 2, head through hole 8 communicates with drift block hole 9, and first
The joint of cylinder and the second cylinder is smooth；Then, the bolt card 13 screwed one end of screw rod from the front end of head 1
Hole 7 is inserted, and sequentially passes through head through hole 8 and drift block hole 9, is worn from the rear end of punch holder holding section 6 of the second cylindrical portion 5
Go out；Punch holder holding section 6 is fastened on again the drift installation place of pipe end forming machine, makes screw and screw rod 13 on drift installation place
Screwed one end alignment, by die nut or box spanner the screwed one end precession pipe end forming machine of screw rod 13
Drift installation place screw in, as bolt is tightened, in the precession bolt hole clipping 7 of bolt head 12, the head 1 of drift is by spiral shell
Bolt head 12 is pressed in punch holder 2 vertically, drift installation.
It should be appreciated that application of the present utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
Say, can according to the above description be improved or converted, all these modifications and variations should all belong to the appended power of the utility model
The protection domain that profit requires.
Claims (4)
1. a kind of drift, including drift body and bolt, it is characterised in that
The bolt includes screw rod and bolt head, and one end of the screw rod is provided with screw thread, and the bolt head is located at screw rod
The other end；
The through hole through drift body is provided with along the axis of the drift body, the diameter of through hole is more than the diameter of screw rod, is less than
The circumscribed circle diameter of bolt head；
The drift body includes head and punch holder, and the head is arranged on the front end of punch holder；
The head includes round platform portion and the first cylindrical portion, and the profile in the round platform portion is the round platform that diameter gradually increases, in circle
It is provided with the first cylindrical portion at the maximum gauge in platform portion, the profile of first cylindrical portion is cylinder, the maximum gauge in round platform portion
Equal with the diameter of the first cylindrical portion, the axis in round platform portion overlaps with the axis of the first cylindrical portion；It is provided with the front end in round platform portion
Bolt hole clipping, the diameter of bolt hole clipping are more than the circumscribed circle diameter of bolt head, and bolt hole clipping and through hole are coaxial；
The punch holder includes the second cylindrical portion and punch holder holding section, and the profile of second cylindrical portion is cylinder, and second
The diameter of cylindrical portion is equal with the diameter of the first cylindrical portion；Punch holder holding section is cylinder, and the diameter of punch holder holding section is big
In the diameter of through hole, less than the diameter of the second cylindrical portion, punch holder holding section is arranged on the rear end of the second cylindrical portion；
The head and punch holder are Split type structure, convex portion are provided with the rear end of the first cylindrical portion, in the front end of the second cylindrical portion
Provided with corresponding recess, the convex portion is fastened in recess, the rear end of the first cylindrical portion is bonded with the front end of the second cylindrical portion,
The axis of first cylindrical portion and the axis of the second cylindrical portion overlap；The screw rod of the bolt sequentially passes through bolt hole clipping and through hole,
Screw rod sets threaded one end and passed from the rear end of the second cylindrical portion, and the bolt head is stuck in bolt hole clipping.
2. drift according to claim 1, it is characterised in that the convex portion is the circle ring column coaxial with through hole, convex portion
External diameter be more than through hole diameter, less than the diameter of the first cylindrical portion, step is formed between convex portion and the first cylindrical portion, it is described recessed
Portion is the circular hole coaxial with through hole, and the diameter of recess is slightly larger than the external diameter of convex portion.
3. drift according to claim 1, it is characterised in that the bolt is hexagon socket head cap screw.
4. drift according to claim 1, it is characterised in that intersect with the side in round platform portion the front end in the round platform portion
Place is set to fillet, and the intersection of the side in the round platform portion and the side of the first cylindrical portion is set to fillet, first cylindrical portion
The intersection of rear end of side and the first cylindrical portion be set to fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720990849.7U CN207103571U (en) | 2017-08-09 | 2017-08-09 | A kind of drift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720990849.7U CN207103571U (en) | 2017-08-09 | 2017-08-09 | A kind of drift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207103571U true CN207103571U (en) | 2018-03-16 |
Family
ID=61578546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720990849.7U Expired - Fee Related CN207103571U (en) | 2017-08-09 | 2017-08-09 | A kind of drift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207103571U (en) |
-
2017
- 2017-08-09 CN CN201720990849.7U patent/CN207103571U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20210809 |