CN107716649A - bending machine - Google Patents
bending machine Download PDFInfo
- Publication number
- CN107716649A CN107716649A CN201711162491.XA CN201711162491A CN107716649A CN 107716649 A CN107716649 A CN 107716649A CN 201711162491 A CN201711162491 A CN 201711162491A CN 107716649 A CN107716649 A CN 107716649A
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- CN
- China
- Prior art keywords
- mould
- straight
- circular arc
- straight trough
- groove
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
Abstract
It is an object of the invention to provide a kind of bending machine, bend pipe end can effectively be eliminated and bulge phenomenon occur, improve bending quality, including the straight groove mould set on workbench, one end of the straight trough of straight groove mould is disposed with circular arc mould, it is semicircular arc groove to have in circular arc mould generally runner shape and wheel rim along the rectangle and trapezium channel section of wheel rim circumferentially, arc groove is located at first, between the 2 two sections of short straight troughs and each other smooth arrangement that postpones, the side of gripping block has straight trough section to engage one end body for clamping straight tube blank A to be bending with the first short straight trough on circular arc mould, drive mechanism drives the straight trough notch face of circular arc mould and straight groove mould and relative roll coordinates, drive mechanism drives straight groove mould and the relative other end body for rolling to straight trough and the short straight trough notch face of second segment and clamping straight tube blank A to be bending of circular arc mould.In such scheme, the material for making convex part position piled is dispersed to surrounding, so as to eliminate the phenomenon of Local Convex drum, improves product quality.
Description
Technical field
The present invention relates to bend pipe processing technique field, and in particular to a kind of structure of bending machine is improved.
Background technology
Bending machine of the prior art is offered on straight groove mould 1 as shown in figure 1, the straight groove mould 1 including being set on workbench
Rectangle and trapezium channel section is semicircular straight trough, and straight tube blank to be bending is placed in its vallecular cavity, one end cloth of the semicircle straight trough of straight groove mould 1
Circular arc mould 2 is equipped with, it is semicircular circle to have in the generally runner shape of circular arc mould 2 and wheel rim along the rectangle and trapezium channel section of wheel rim circumferentially
Arc groove, there is on circular arc mould 2 one section of short straight trough and arc groove to postpone arrangement, the side of gripping block 3 have straight trough section with it is short on circular arc mould 2
Straight trough engages one end body for clamping straight tube blank to be bending, and drive mechanism driving circular arc mould 2 is relative with straight groove mould 1 to be rolled
Coordinate, while step up the straight trough section that block 3 is servo-actuated and is held on and clamp straight tube blank to be bending with the short straight trough on circular arc mould 2
One end body, circular arc mould 2 and the relative shift of straight groove mould 1 are determined according to design requirement, so as to realize straight tube blank to be bending
It is bent into bend pipe.Pipe fitting is bent using above-mentioned technical proposal, bends the bend pipe of the shaping convex drum on the inside of the tail end of curved arc section occurs
Phenomenon, miscellaneous equipment can be used to implement secondary reshaping this local defect and be eliminated, certain cost improves therewith, efficiency
It can not ensure, local scaling phenomenon directly occur if if not doing shaping, more seriously because local scaling can be led
Cause the local pipeline section temperature difference of body to increase, as a result cause the body pipe of bend loss to split phenomenon.
The content of the invention
It is an object of the invention to provide a kind of bending machine, can effectively eliminate bend pipe end and bulge phenomenon occurs, improve curved
Pipe quality.
To achieve these goals, the technical solution adopted by the present invention is：A kind of bending machine, including set on workbench
Straight groove mould, it is semicircular straight trough to offer rectangle and trapezium channel section on straight groove mould, and straight tube blank A to be bending is placed in straight trough vallecular cavity, directly
One end of the straight trough of channel mould is disposed with circular arc mould, there is the groove profile along wheel rim circumferentially in circular arc mould generally runner shape and wheel rim
Section is semicircular arc groove, first and second two sections of short straight troughs is additionally provided with circular arc mould, arc groove is positioned at first and second two sections short
Between the straight trough and each other smooth arrangement that postpones, the side of gripping block have straight trough section to engage with the first short straight trough on circular arc mould for pressing from both sides
The straight trough notch face of tight straight tube blank A to be bending one end body, drive mechanism driving circular arc mould and straight groove mould and relative rolling
Dynamic to coordinate, the straight trough section that gripping block is servo-actuated and is held on clamps straight tube blank A to be bending with the first short straight trough on circular arc mould
One end body, drive mechanism driving straight groove mould and circular arc mould is relative rolls to straight trough and the short straight trough notch face of second segment and folder
Tight straight tube blank A to be bending other end body.
In such scheme, gripping block engages one end body for clamping straight tube blank A to be bending with the first short straight trough, so
Rear drive mechanism drives the straight trough notch face of circular arc mould and straight groove mould and relative roll coordinates for bending predetermined radian, by
In circular arc mould and constraint of the straight groove mould to straight tube blank material A to be bending so that the bend pipe for bending shaping occurs in the tail end of curved arc section
The convex bulging phenomenon in inner side, at this moment straight trough and the positive pairing groove of the short straight trough notch of second segment and clamp the straight tube blank A to be bending other end
Body, the tube chamber that both are formed effectively can be implemented to constrain and be subject to shaping, make to convex part position on the inside of the tail end of curved arc section
Around the piled material in convex part position is dispersed to, so as to eliminate the phenomenon of Local Convex drum, product quality is improved.
Brief description of the drawings
Fig. 1 is the structural representation of bending machine in the prior art；
Fig. 2 is structural representation of the present invention before non-bend pipe；
Fig. 3 is structural representation of the present invention during bend pipe；
Fig. 4 is structural representation of the present invention after the completion of bend pipe；
Fig. 5 is the structural representation of circular arc mould；
Fig. 6 is the top view of circular arc mould.
Embodiment
The present invention is made with reference to Fig. 1-Fig. 6 discussed in further detail.
A kind of bending machine, including the straight groove mould 10 set on workbench, it is semicircle to offer rectangle and trapezium channel section on straight groove mould 10
The straight trough 11 of shape, straight tube blank A to be bending are placed in the vallecular cavity of straight trough 11, and one end of the straight trough 11 of straight groove mould 10 is disposed with circular arc mould
20, it is semicircular arc groove 21 to have along the rectangle and trapezium channel section of wheel rim circumferentially in the generally runner shape of circular arc mould 20 and wheel rim,
First and second two sections short straight trough 22,23 is additionally provided with circular arc mould 20, arc groove 21 is between first and second two sections short straight trough 22,23
And the smooth arrangement that postpones, the side of gripping block 30 have straight trough section 31 to engage with the on circular arc mould 20 first short straight trough 22 for pressing from both sides each other
Tight straight tube blank A to be bending one end body, the notch face of straight trough 11 of drive mechanism driving circular arc mould 20 and straight groove mould 10 and
Relative roll coordinates, and the straight trough section 31 that gripping block 30 is servo-actuated and is held on is clamped with the first short straight trough 22 on circular arc mould 20 and treated
Straight tube blank A one end body, drive mechanism driving straight groove mould 10 and the relative rolling of circular arc mould 20 are bent to straight trough 11 and second
The other end body of the short notch face of straight trough 23 of section and clamping straight tube blank A to be bending.In order to prevent straight tube blank A's to be bending
Leading portion body deforms next time in gripping block 30 and the clamping force of the first short straight trough 22, influences finished product bend pipe and other pipe fittings
Connection, generally it is plugged with plugging, drive mechanism driving gripping block 30 and first in the mouth of pipe of straight tube blank A to be bending leading portion body
Short straight trough 22 engages one end body for clamping straight tube blank A to be bending, then drive mechanism driving circular arc mould 20 and straight trough
The notch face of straight trough 11 of mould 10 and relative rolling, which coordinate, to be used to bend predetermined radian, because circular arc mould 20 and straight groove mould 10 are right
Straight tube blank A to be bending constraint so that bend the bend pipe of the shaping convex bulging phenomenon on the inside of the tail end of curved arc section occurs, at this moment directly
Groove 11 is with the positive pairing groove of the short notch of straight trough 23 of second segment and clamps straight tube blank A to be bending other end body, what both were formed
Tube chamber effectively can be implemented to constrain and be subject to shaping to convex part position on the inside of the tail end of curved arc section, make the piled material in convex part position
Around matter is dispersed to, so as to eliminate the phenomenon of Local Convex drum, the elimination of convex bulging phenomenon, cutting for bend pipe tube chamber has been ensuring that
Face shapes and sizes, local scaling phenomenon is avoided, improve the service life of bend pipe.
Further, the mandrel 26 of described circular arc mould 20 is that vertical direction is arranged and mandrel 26 is relative to operating position
Fixed, drive mechanism driving circular arc mould 20 rotates around the shaft core of its mandrel 26, and circular arc mould 20 includes two halfbodies of axial direction,
Through rear and by nut that two halfbodies of circular arc mould 20 are axially solid in the centre bore that mandrel 26 axially opens up along circular arc mould 20
Even.The mandrel 26 of circular arc mould 20 is changeless relative to the position of workbench, but by driving straight groove mould 10 and clamping
The bend pipe that block 30 carrys out fit circular arc mould 20 relative to working table movement acts, and circular arc mould 20 is made to rotate around the shaft core of its mandrel 26
Action；In order to facilitate the bend pipe taken out after bending shaping, circular arc mould 20 is designed to be made up of, it is necessary to bend upper and lower two halfbodies
During bend pipe, two halfbodies of circular arc mould 20 are axially connected with nut, when needing to take out bend pipe finished product, turn nut by circular arc
Two halfbodies of mould 20 are opened.
In order to prevent when straight tube blank A to be bending is bent, shearing force is excessive to cause upper and lower two halfbodies that mistake occurs
Position influence bends bending for straight tube blank A, and a setting is fluted on the axial end being bonded to each other on upper and lower two halfbodies
24th, another is provided with projection 25, and groove 24 forms the spacing cooperation of circumferencial direction with raised 25 clampings.Groove 24 and projection 25
Cooperation, avoid both separation possibility, so as to ensure that the complete and shape of groove profile and first and second two sections of short straight troughs
22nd, 23 entirety is straight, reduces the shearing force of mandrel 26, ensures bending quality.
In order to prevent straight tube blank A to be bending leading portion body from occurring to slide during bending or rotate, gripping block 30
The vallecular cavity inwall of straight trough section 31 be mat surface.Mat surface can both increase between straight tube blank A to be bending leading portion body
Frictional force, prevent it from moving, the pipe shaft of leading portion body will not be damaged again.
Claims (4)
1. a kind of bending machine, including the straight groove mould (10) set on workbench, rectangle and trapezium channel section is offered on straight groove mould (10) as half
Circular straight trough (11), straight tube blank A to be bending are placed in straight trough (11) vallecular cavity, one end cloth of the straight trough (11) of straight groove mould (10)
Circular arc mould (20) is equipped with, it is semicircle to have in circular arc mould (20) generally runner shape and wheel rim along the rectangle and trapezium channel section of wheel rim circumferentially
The arc groove (21) of shape, it is characterised in that：First and second two sections short straight trough (22,23), arc groove are additionally provided with circular arc mould (20)
(21) there is straight trough the smooth arrangement that postpones, the side of gripping block (30) between first and second two sections short straight trough (22,23) and each other
Section (31) engages one end body for clamping straight tube blank A to be bending, driving with the on circular arc mould (20) first short straight trough (22)
Mechanism driving circular arc mould (20) coordinates with straight trough (11) the notch face of straight groove mould (10) and relative roll, and gripping block (30) is servo-actuated
And the straight trough section (31) being held on clamps straight tube blank A to be bending one end with the first short straight trough (22) on circular arc mould (20)
Body, drive mechanism driving straight groove mould (10) and circular arc mould (20) roll to straight trough (11) and the short straight trough of second segment (23) groove relatively
Mouth face and the other end body for clamping straight tube blank A to be bending.
2. bending machine according to claim 1, it is characterised in that：The mandrel (26) of described circular arc mould (20) is vertical side
Fixed to arrangement and mandrel (26) relative to operating position, shaft core of the drive mechanism driving circular arc mould (20) around its mandrel (26)
Rotate, circular arc mould (20) includes two halfbodies of axial direction, in the centre bore that mandrel (26) is axially opened up along circular arc mould (20)
Through rear and two halfbodies of circular arc mould (20) are axially connected by nut.
3. bending machine according to claim 2, it is characterised in that：The axial end being bonded to each other on upper and lower two halfbodies
A setting fluted (24) on face, another be provided with raised (25), groove (24) forms circumference side with raised (25) clamping
To spacing cooperation.
4. bending machine according to claim 1, it is characterised in that：The vallecular cavity inwall of the straight trough section (31) of gripping block (30) is
Mat surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711162491.XA CN107716649A (en) | 2017-11-21 | 2017-11-21 | bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711162491.XA CN107716649A (en) | 2017-11-21 | 2017-11-21 | bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107716649A true CN107716649A (en) | 2018-02-23 |
Family
ID=61217688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711162491.XA Pending CN107716649A (en) | 2017-11-21 | 2017-11-21 | bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107716649A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109433872A (en) * | 2018-11-30 | 2019-03-08 | 宁波安纳杰模塑科技有限公司 | The bending module of bending machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6192728B1 (en) * | 2000-05-30 | 2001-02-27 | Yin Lin Machine Industrial Co., Ltd | Pipe bending machine accurately controlling bent angles of pipes |
| CN203409087U (en) * | 2013-06-28 | 2014-01-29 | 郑州中鼎锅炉股份有限公司 | Finned tube bending die |
| CN203803994U (en) * | 2013-12-31 | 2014-09-03 | 长城汽车股份有限公司 | Wheel mould for bent tube |
| CN204638817U (en) * | 2015-04-21 | 2015-09-16 | 文华学院 | A kind of bending machine |
| CN206527188U (en) * | 2017-01-19 | 2017-09-29 | 宁波聚龙环保科技有限公司 | A kind of handlebar bending machine |
| CN207508030U (en) * | 2017-11-21 | 2018-06-19 | 博瑞特热能设备股份有限公司 | bending machine |
-
2017
- 2017-11-21 CN CN201711162491.XA patent/CN107716649A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6192728B1 (en) * | 2000-05-30 | 2001-02-27 | Yin Lin Machine Industrial Co., Ltd | Pipe bending machine accurately controlling bent angles of pipes |
| CN203409087U (en) * | 2013-06-28 | 2014-01-29 | 郑州中鼎锅炉股份有限公司 | Finned tube bending die |
| CN203803994U (en) * | 2013-12-31 | 2014-09-03 | 长城汽车股份有限公司 | Wheel mould for bent tube |
| CN204638817U (en) * | 2015-04-21 | 2015-09-16 | 文华学院 | A kind of bending machine |
| CN206527188U (en) * | 2017-01-19 | 2017-09-29 | 宁波聚龙环保科技有限公司 | A kind of handlebar bending machine |
| CN207508030U (en) * | 2017-11-21 | 2018-06-19 | 博瑞特热能设备股份有限公司 | bending machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109433872A (en) * | 2018-11-30 | 2019-03-08 | 宁波安纳杰模塑科技有限公司 | The bending module of bending machine |
| CN109433872B (en) * | 2018-11-30 | 2023-12-29 | 宁波安纳杰模塑科技有限公司 | Top bending module of pipe bending machine |
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