CN204412899U - A kind of bend pipe mould for bending machine - Google Patents
A kind of bend pipe mould for bending machine Download PDFInfo
- Publication number
- CN204412899U CN204412899U CN201420762797.4U CN201420762797U CN204412899U CN 204412899 U CN204412899 U CN 204412899U CN 201420762797 U CN201420762797 U CN 201420762797U CN 204412899 U CN204412899 U CN 204412899U
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- fixture block
- mount pad
- bend pipe
- clamp
- block
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- 238000005452 bending Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000000717 retained effect Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model belongs to Machining Technology field, and a kind of bend pipe mould for bending machine, comprises bending die, clamping die, and described clamping die coordinates to clamp pipe fitting with bending die front end; It is characterized in that, described bending die front end is provided with clamp block mount pad, and on clamp block mount pad, multiple clamp block is assembled at interval, and described clamping die forms by moving the multiple dynamic fixture block that fixture block mount pad and interval be assemblied on dynamic fixture block mount pad.Dynamic fixture block and clamp block are arranged one to one in pairs, and the dynamic fixture block length in each pair of fixture block is equal with clamp block length sum.The opposing end surface of clamp block and dynamic fixture block is provided with recess, and the recess on the recess on clamp block and dynamic fixture block is combined to form a through hole.Each through hole is centrally located on same circular arc line.The utility model changes straight line and is retained as curve clamping, improves bend pipe mould to bend pipe surface stress, solves the bend pipe surface quality difficult problem that current Curved Continuous fixture causes; And highly versatile.
Description
Technical field
The utility model belongs to Machining Technology field, relates to pipe fitting bending techniques, specifically relates to a kind of bend pipe mould for bending machine, and this mould is particularly useful for the second of continuous bend pipe fitting and the bending machining of above crooked position.
Background technology
Bend pipe mould is a key tool in pipe fitting bending machining process, is assemblied on angle pipe equipment, comprises bending die, clamping die.Clamping die coordinates with the clamping face of bending die front end and is clamped by pipe fitting.Clamping die and bending die synchronous axial system, pipe fitting, around bending die brake forming, completes one bending operation.
In existing bend pipe mould, on the clamping face of bending die front end He on the other side of clamping die, respectively establish a length groove, clamping die and bending die front end involutory after, elongated slot is combined to form straight line elongated hole.During bend pipe, pipe fitting is clamped in the elongated slot that is involutory.
Existing bend pipe mould can be applicable to the processing of pipe fitting independence bending section well.And for the continuous bend pipe of multistage without straightway interval, it is curved that existing bend pipe mould is then only suitable for processing its first.
Multistage to refer on pipe fitting axis without straightway transition between adjacent two curved sections without the continuous bend pipe at straightway interval, but directly line smoothing connects.When processing two road is curved, due to one Wan Yu bis-road curved between without straightway transition, bend pipe mould can only be clamped in one curved crooked position.
Therefore, when adopting the second of the continuous bend pipe of existing bend pipe mould processing multistage curved, straight line elongated hole can form impression at bending tube surface, affect the surface quality of bend pipe.Also likely pipe fitting is crushed to thin-walled tube bending.This is because the bending force produced in BENDING PROCESS is very large, during fixture fixed fitting, bear very large active force; Conversely, fixture is also applied with very large reaction force to fixed pipe fitting.If the groove of fixture with bending after tube surface misfit (radius of curvature not etc.); tube surface is out of shape because of unbalance stress.
Visible for Curved Continuous pipe fitting, the curved processing that each road is curved later together, how its bend pipe mould designs, and to avoid damaging pipe fitting during clamping pipe fitting, is the technical barrier needing emphasis to solve.
Summary of the invention
The utility model object is, is unsuitable for the problem of the continuous bend pipe of processing space for existing bending machine bend pipe mould, proposes a kind of solution improving its clamp structure, the clamping being more suitable for bending pipe fitting to make the clamp structure of bend pipe mould.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of bend pipe mould for bending machine, comprises bending die, clamping die, and described clamping die coordinates to clamp pipe fitting with bending die front end; It is characterized in that, described bending die front end is provided with clamp block mount pad, and on clamp block mount pad, multiple clamp block is assembled at interval, and described clamping die forms by moving the multiple dynamic fixture block that fixture block mount pad and interval be assemblied on dynamic fixture block mount pad.
Dynamic fixture block and clamp block are arranged one to one in pairs, and the dynamic fixture block length in each pair of fixture block is equal with clamp block length sum.The opposing end surface of clamp block and dynamic fixture block is provided with recess, and the recess on the recess on clamp block and dynamic fixture block is combined to form a through hole.Each through hole is centrally located on same circular arc line.
Bend pipe mould of the present utility model, selects the clamp block of different length and dynamic fixture block to combine as required, can change the horizontal curvature radius of the through hole line of centres, to be applicable to the clamping of the bend pipe of the different curvature to horizontal curvature.
Select the different fixture block in recess lateral attitude to combine as required, the straight radius of curvature of weight of the through hole line of centres can be changed, to be applicable to clamp the bend pipe of the different curvature of vertical curve.
The clamp block of different length and dynamic fixture block is selected to combine as required, and the recess lateral attitude of often pair of fixture block is different, go for first face, curved place and face, second curved place forms an angle the curved brake forming of the second of pipe fitting of (also not perpendicular at same plane).
Described fixture block can assemble by screw is fixing with fixture block mount pad, also can be assembled by other fit structure.
As improvement, the rounded process of the rib between recess and fixture block side.
As improvement, described fixture block mount pad is provided with the T-shaped chute of straight line, and fixture block end is the T-type structure coordinated with T-shaped chute, and the T-shaped end of fixture block is assemblied in the T-shaped chute of mount pad.
Installation gap is established in bending die front end, and clamp block mount pad is fixedly assemblied in breach, and T-shaped chute one end is closed, other end opening.On clamp block mount pad, fit in face, place, T-slot openend and surface, bending die corresponding position.
Fixture block T-shaped end width is identical with T-shaped trough width, and in a thickness direction, T-shaped end respectively stretches out a step edge relative to fixture block main part to both sides, and T-shaped end two steps match along in structure.
As improvement, be provided with ellipse fixing hole bottom the T-shaped chute on fixture block mount pad, the T-shaped end of fixture block is provided with screw.Screw inwardly screws in the screw of the T-shaped end of fixture block through after ellipse fixing hole outside mount pad, fixture block and mount pad is fixed.
Recess is laterally inclined relative to fixture block.And fixture block on bending die bending guide groove front end more away from, upper recess thereof mouth is larger relative to the gradient of fixture block side.
The beneficial effects of the utility model are:
1, change straight line and be retained as curve clamping, improve bend pipe mould to bend pipe surface stress, solve the bend pipe surface quality difficult problem that current Curved Continuous fixture causes;
2, by multiple fixture block alternative fit structure, for adjustment fixture block group clamping radius provides solution, by selecting fixture block, adjustment bend pipe mould is suitable for the clamping of differently curved pipe fitting.Bend pipe mould is made to have versatility, without the need to manufacturing Special bending pipe mold for each bend pipe.
The clamping radius of described fixture block group is the radius of the camber line that each fixture block upper groove line of centres forming fixture block group is formed.
The fixture block that the utility model is mentioned comprises clamp block and dynamic fixture block, and fixture block mount pad comprises clamp block mount pad and dynamic fixture block mount pad.
Accompanying drawing explanation
Fig. 1 is the perspective view of a kind of bend pipe mould based on the utility model design.
Fig. 2 is the using state structural representation of bend pipe mould shown in Fig. 1.
Fig. 3 is the perspective view of the another kind of bend pipe mould based on the utility model design.
Fig. 4 is the using state structural representation of bend pipe mould shown in Fig. 2.
Description of reference numerals: 1 bending die, 2 bending guide grooves, 3 clamp block mount pads, 4 dynamic fixture block mount pads, 5 clamp blocks, 6 dynamic fixture blocks, 7 clamp block recesses, 8 dynamic fixture block recesses, the T-shaped chute of 9 straight line, 10 fixture block T-type structure ends, 11 ellipse fixing holes, 12 pipe fittings to be bent.
Detailed description of the invention
With reference to the accompanying drawings, the theory and structure feature of technical scheme described in the utility model is further illustrated in conjunction with instantiation.
With reference to a kind of detailed description of the invention that Fig. 1,2, this figure are based on technical solutions of the utility model, this routine bend pipe mould is applicable to the curved brake forming curved with the second of the curved pipe fitting bending in same plane of second to first.
Bending die 1 main body is cylindric, and band sector notch, for installing clamp block mount pad 3.On bending die, circumferentially face arranges bending guide groove 2, and bending guide groove 2 cross section is the semicircle that diameter is identical with processed pipe fitting 12 external diameter.Clamp block mount pad 3 is fixed by screws in sector notch, is provided with the T-shaped chute 9 of straight line on the right side of clamp block mount pad.Four clamp blocks 5 are assemblied on clamp block mount pad side by side, and each clamp block left end structure is identical, and clamp block left end 10 is equipped with the T-type structure coordinated with the T-shaped chute on clamp block mount pad.
In a thickness direction, both sides respectively comprise a step edge to the left end of clamp block, and each clamp block is assembled together side by side, and the step that connects of adjacent two clamp blocks is along mutually mating.Four clamp blocks from front to back length increase progressively successively.The right-hand member of each clamp block is provided with recess 7, and the A/F of the recess 7 on each clamp block is equal, equals the external diameter of processed pipe fitting 12.Clamp block mount pad establishes ellipse fixing hole, passes for screw, for clamp block and clamp block mount pad are fixed.
Establish the T-shaped chute 9 of straight line on the left of the dynamic fixture block mount pad 4 of clamping die, during use, need be arranged on lever arm by screw.Four dynamic fixture blocks 6 are assemblied in the T-shaped chute of straight line of dynamic fixture block mount pad respectively by the T-type structure of self right-hand member.Clamp block mount pad establishes ellipse fixing hole 11, passes for screw, for clamp block and clamp block mount pad are fixed.It is right that four dynamic fixture blocks 6 and four clamp blocks 5 are organized one to one.Four dynamic fixture blocks 6 from front to back length successively decrease successively, and the clamp block in often pair of fixture block is equal with the conjunction of dynamic fixture block length.Dynamic fixture block left end is provided with the recess 8 corresponding with clamp block right-hand member recess, and both are combined to form through hole by recess.The line of centres of four through holes be combined to form, forms a circular arc.Face, circular arc place and bending die die cavity (bending guide groove 2) face, center line place are same plane.
When using bend pipe mould shown in Fig. 1 to carry out brake forming to pipe fitting second is curved, the curved position of first is gripped by clamp block and dynamic fixture block, as shown in Figure 2.
Be another kind of detailed description of the invention based on technical solutions of the utility model with reference to Fig. 3,4, this figure, this routine bend pipe mould is applicable to the curved brake forming of the second of the perpendicular pipe fitting in first face, curved place and face, second curved place.
In this example, bending die 1 main body is equally in cylindric, and band sector notch, for installing clamp block mount pad 3.On bending die, circumferentially face arranges bending guide groove 2, and bending guide groove cross section is the semicircle that diameter is identical with processed pipe fitting 12 external diameter.Clamp block mount pad is fixed by screws in sector notch, is provided with the T-shaped chute 9 of straight line on the right side of clamp block mount pad.Four clamp blocks 3 are assemblied on clamp block mount pad side by side, and each clamp block 3 left end structure is identical, and clamp block left end 10 is equipped with the T-type structure coordinated with the T-shaped chute on clamp block mount pad.
Four clamp block lengths are equal, and the recess 7 of the right-hand member of each clamp block laterally offsets successively to a direction.The deep equality of the recess 7 on each clamp block, equals the half of processed pipe fitting 12 external diameter.
Establish the T-shaped chute 9 of straight line on the left of the dynamic fixture block mount pad 4 of clamping die, during use, be arranged on lever arm by screw.Four dynamic fixture blocks 6 are assemblied in the T-shaped chute of straight line of dynamic fixture block mount pad respectively by the T-type structure of self right-hand member.Clamp block mount pad establishes ellipse fixing hole 11, passes for screw, for clamp block and clamp block mount pad are fixed.It is right that four dynamic fixture blocks 6 and four clamp blocks 5 are organized one to one.Four dynamic fixture block length are equal, and each dynamic fixture block left end is provided with the recess 8 corresponding with clamp block right-hand member recess, and both are combined to form through hole by recess.The line of centres of four through holes be combined to form, forms a circular arc.Face, circular arc place and face, bending die die cavity center line place perpendicular.
When using bend pipe mould shown in Fig. 3 to carry out brake forming to pipe fitting second is curved, the curved position of first is gripped by clamp block and dynamic fixture block, as shown in Figure 4.
Claims (8)
1. for a bend pipe mould for bending machine, comprise bending die, clamping die, described clamping die coordinates to clamp pipe fitting with bending die front end; It is characterized in that, described bending die front end is provided with clamp block mount pad, and on clamp block mount pad, multiple clamp block is assembled at interval, and described clamping die forms by moving the multiple dynamic fixture block that fixture block mount pad and interval be assemblied on dynamic fixture block mount pad;
Dynamic fixture block and clamp block are arranged one to one in pairs, and the dynamic fixture block length in each pair of fixture block is equal with clamp block length sum; The opposing end surface of clamp block and dynamic fixture block is provided with recess, and the recess on the recess on clamp block and dynamic fixture block is combined to form a through hole, and each through hole is centrally located on same circular arc line.
2. bend pipe mould according to claim 1, is characterized in that, described fixture block and mount pad assemble by screw is fixing.
3. bend pipe mould according to claim 1, is characterized in that, the rounded process of the rib between recess and fixture block side.
4. bend pipe mould according to claim 1, is characterized in that, fixture block mount pad is provided with the T-shaped chute of straight line, and fixture block end is the T-type structure coordinated with T-shaped chute, and the T-shaped end of fixture block is assemblied in the T-shaped chute of mount pad.
5. bend pipe mould according to claim 1, is characterized in that, installation gap is established in bending die front end, and clamp block mount pad is fixedly assemblied in installation gap.
6. bend pipe mould according to claim 4, is characterized in that, T-shaped chute one end is closed, other end opening, and on clamp block mount pad, fit in face, place, T-slot openend and surface, bending die corresponding position.
7. bend pipe mould according to claim 5, is characterized in that, in a thickness direction, the T-shaped end of fixture block respectively stretches out a step edge relative to fixture block main part to both sides, and T-shaped end two steps match along in structure.
8. bend pipe mould according to claim 5, it is characterized in that, ellipse fixing hole is provided with bottom T-shaped chute on fixture block mount pad, the T-shaped end of fixture block is provided with screw, screw inwardly screws in the screw of the T-shaped end of fixture block through after ellipse fixing hole outside mount pad, fixture block and mount pad is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420762797.4U CN204412899U (en) | 2014-12-08 | 2014-12-08 | A kind of bend pipe mould for bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420762797.4U CN204412899U (en) | 2014-12-08 | 2014-12-08 | A kind of bend pipe mould for bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204412899U true CN204412899U (en) | 2015-06-24 |
Family
ID=53463308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420762797.4U Withdrawn - After Issue CN204412899U (en) | 2014-12-08 | 2014-12-08 | A kind of bend pipe mould for bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204412899U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399821A (en) * | 2014-12-08 | 2015-03-11 | 浙江工业大学 | Pipe bending die for pipe bending machine |
| CN105215111A (en) * | 2015-10-26 | 2016-01-06 | 扬中市三环电热科技有限公司 | A kind of Full-automatic tube bending machine |
| CN105215110A (en) * | 2015-10-26 | 2016-01-06 | 扬中市三环电热科技有限公司 | A kind of Full-automatic tube bending machine clamping device fixed structure |
| CN105234225A (en) * | 2015-10-26 | 2016-01-13 | 扬中市三环电热科技有限公司 | Clamping device for full-automatic pipe bending machine |
-
2014
- 2014-12-08 CN CN201420762797.4U patent/CN204412899U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399821A (en) * | 2014-12-08 | 2015-03-11 | 浙江工业大学 | Pipe bending die for pipe bending machine |
| CN104399821B (en) * | 2014-12-08 | 2016-07-06 | 浙江工业大学 | A kind of bend pipe mould for bending machine |
| CN105215111A (en) * | 2015-10-26 | 2016-01-06 | 扬中市三环电热科技有限公司 | A kind of Full-automatic tube bending machine |
| CN105215110A (en) * | 2015-10-26 | 2016-01-06 | 扬中市三环电热科技有限公司 | A kind of Full-automatic tube bending machine clamping device fixed structure |
| CN105234225A (en) * | 2015-10-26 | 2016-01-13 | 扬中市三环电热科技有限公司 | Clamping device for full-automatic pipe bending machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150624 Effective date of abandoning: 20160706 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |