CN107745041A - Bending machine structure - Google Patents
Bending machine structure Download PDFInfo
- Publication number
- CN107745041A CN107745041A CN201711162498.1A CN201711162498A CN107745041A CN 107745041 A CN107745041 A CN 107745041A CN 201711162498 A CN201711162498 A CN 201711162498A CN 107745041 A CN107745041 A CN 107745041A
- Authority
- CN
- China
- Prior art keywords
- circular arc
- mould
- straight
- groove
- straight trough
- 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.)
- Withdrawn
Links
- 238000005452 bending Methods 0.000 title claims abstract description 42
- 241000826860 Trapezium Species 0.000 claims abstract description 9
- 239000004744 fabric Substances 0.000 claims 1
- 238000010008 shearing Methods 0.000 abstract description 5
- 238000007493 shaping process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
-
- 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
- B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
It is an object of the invention to provide a kind of bending machine structure, the circular arc mould terraced connection resistance of two plates up and down can be increased, reduce the shearing force of mandrel, 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, described circular arc mould includes two halfbodies of axial direction, mandrel along circular arc mold shaft into the centre bore opened up through it is rear and by nut by the upper of circular arc mould, lower two halfbodies are axially connected, on, a setting is fluted on the axial end being bonded to each other on lower two halfbodies, another is provided with projection, groove forms the spacing cooperation of circumferencial direction with raised clamping.Groove avoids the possibility that both separate with cooperations of projection, so as to ensure that the entirety of the complete and shape of groove profile and first and second two sections of short straight troughs is straight, reduces the shearing force of mandrel 26, guarantee bending 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 structure of the prior art is opened on straight groove mould 1 as shown in figure 1, the straight groove mould 1 including being set on workbench
It is semicircular straight trough provided with rectangle and trapezium channel section, straight tube blank to be bending is placed in its vallecular cavity, and the one of the semicircle straight trough of straight groove mould 1
End is disposed with circular arc mould 2, and it is semicircle 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, there are straight trough section and circular arc mould 2 in the side of gripping block 3
Upper short 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
Roll and 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 of material, 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 to be bending
Blank is bent into bend pipe.Pipe fitting is bent using above-mentioned technical proposal, the bend pipe after bending for convenience with being removed on circular arc mould 2,
Circular arc mould 2 is generally processed into two halfbodies of axial direction, when bend pipe operates, in axially being opened up along circular arc mould 2 by mandrel
Through two halfbodies of circular arc mould 2 are axially connected with nut class fastener again in heart hole, due on two halfbodies of circular arc mould 2
The axial end being bonded to each other be plane, can not ensure during due to manual operation reliable between two halfbodies of circular arc mould 2
With reference to pretension degree, so during bending the reaction of pipe fitting to be bending cause it is mutual on two halfbodies of circular arc mould 2
Binding face has that the phenomenon separated each other is inevitable, and this can not ensure with regard to the Forming Quality of bend pipe.
The content of the invention
It is an object of the invention to provide a kind of bending machine structure, can increase the terraced connection resistance of two plates up and down of circular arc mould
Power, the shearing force for reducing mandrel, improve bending quality.
To achieve these goals, the technical solution adopted by the present invention is：A kind of bending machine structure, including set on workbench
The straight groove mould put, 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
Interior, one end of the straight trough of straight groove mould is disposed with circular arc mould, and circular arc mould generally has along wheel rim circumferentially on runner shape and wheel rim
Rectangle and trapezium channel section be semicircular arc groove, described circular arc mould includes two halfbodies of axial direction, and mandrel is along circular arc mold shaft
Pass through into the centre bore opened up rear and upper and lower two halfbodies of circular arc mould are axially connected by nut, upper and lower two halfbodies
On the axial end being bonded to each other on a setting it is fluted, another be provided with projection, groove is formed with raised clamping to be justified
The spacing cooperation of circumferential direction.
In such scheme, for upper and lower two halfbodies when by being separated from each other trend, groove is with raised side wall to producing each other
Resistance, the possibility of both separation is avoided, so as to ensure that the whole of the complete and shape of groove profile and first and second two sections of short straight troughs
Body is straight, reduces the shearing force of mandrel 26, ensures bending quality.
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 the structural representation of circular arc mould；
Fig. 4 is the top view of circular arc mould；
Fig. 5 is Fig. 3 enlarged schematic partial view.
Embodiment
Refering to shown in Fig. 2-Fig. 4, a kind of bending machine structure, including the straight groove mould 10 set on workbench, on straight groove mould 10
It is semicircular straight trough 11 to offer rectangle and trapezium channel section, and straight tube blank A to be bending is placed in the vallecular cavity of straight trough 11, the straight trough of straight groove mould 10
11 one end is disposed with circular arc mould 20, there is the rectangle and trapezium channel section along wheel rim circumferentially in the generally runner shape of circular arc mould 20 and wheel rim
For semicircular arc groove 21, described circular arc mould 20 includes two halfbodies of axial direction, and mandrel 26 is axial along circular arc mould 20
Pass through rear in the centre bore opened up and upper and lower two halfbodies of circular arc mould 20 are axially connected by nut, upper and lower two halfbodies
On the axial end being bonded to each other on one set it is fluted 24, another be provided with projection 25, groove 24 blocks with projection 25
Connect the spacing cooperation for forming circumferencial direction.In order to facilitate the bend pipe taken out after bending shaping, circular arc mould 20 is designed to by upper and lower
Two halfbodies are formed, it is necessary to when bending bend pipe, and two halfbodies of circular arc mould 20 are axially connected with nut, when needing to take out bend pipe
During finished product, turn nut and open two halfbodies of circular arc mould 20, upper and lower two halfbodies are when by being separated from each other trend, groove
24 and raised 25 side wall avoids the possibility of both separation, so as to ensure that the complete and shape of groove profile to producing resistance each other
The entirety of shape and first and second two sections short straight trough 22,23 is straight, and conjunction groove direction is consistent, reduces the shearing force of mandrel 26, ensures
Bending quality.
As the preferred scheme of the present invention, it is in cross that groove 24, which is arranged on upper semi-body and on the lower surface of upper semi-body,
Arrangement, projection 25 are arranged on lower semi-body and arranged on the upper surface of lower semi-body in cross.Utilize this cross moulding
Arranged crosswise, the connection resistance between upper and lower two plate halfbodies is further increased, makes the two will not after with nut pretension
Inconsistent phenomenon occurs again, bending quality is good.
Further, the section of groove 24 and projection 25 is trapezoidal.
The mandrel 26 of described circular arc mould 20 is that vertical direction is arranged and mandrel 26 is fixed relative to operating position, is driven
Mechanism driving circular arc mould 20 is rotated around the shaft core of its mandrel 26, and first and second two sections short straight trough 22,23 is additionally provided with circular arc mould 20,
Between first and second two sections short straight trough 22, the 23 and each other smooth arrangement that postpones of arc groove 21, there is straight trough the side of gripping block 30
Section 31 engages one end body for clamping straight tube blank A to be bending with the on circular arc mould 20 first short straight trough 22, and drive mechanism is driven
Dynamic circular arc mould 20 coordinates with the notch face of straight trough 11 of straight groove mould 10 and relative roll, and gripping block 30 is servo-actuated and is held on straight
Groove section 31 clamps straight tube blank A to be bending one end body with the first short straight trough 22 on circular arc mould 20, and drive mechanism driving is straight
Channel mould 10 and the relative rolling of circular arc mould 20 to straight trough 11 and the short notch face of straight trough 23 of second segment and clamp straight tube blank A to be bending
Other end body.Drive mechanism driving gripping block 30 is engaged for clamping straight tube blank A's to be bending with the first short straight trough 22
One end body, then drive mechanism drives the notch face of straight trough 11 of circular arc mould 20 and straight groove mould 10 and relative rolling cooperation is used for
Predetermined radian is bent, due to circular arc mould 20 and extruding of the straight groove mould 10 to straight tube blank material A to be bending so that bend the curved of shaping
Pipe curved arc section tail end occur on the inside of convex bulging phenomenon, at this moment the notch face of straight trough 23 short with second segment of straight trough 11 and clamping it is to be curved
Straight tube blank A processed other end body, convex drum on the inside of the tail end of curved arc section is effectively subject to shaping, convex drum is uniformly disperseed
On straight length after to the tail end of curved arc section, product quality is improved.
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 (5)
1. a kind of bending machine structure, including the straight groove mould (10) set on workbench, straight groove mould offer rectangle and trapezium channel section on (10)
For semicircular straight trough (11), straight tube blank A to be bending is placed in straight trough (11) vallecular cavity, and the one of the straight trough (11) of straight groove mould (10)
End is disposed with circular arc mould (20), has in circular arc mould (20) generally runner shape and wheel rim along the rectangle and trapezium channel section of wheel rim circumferentially and is
Semicircular arc groove (21), described circular arc mould (20) include two halfbodies of axial direction, and mandrel (26) is along circular arc mould
(20) pass through rear in the centre bore axially opened up and upper and lower two halfbodies of circular arc mould (20) are axially connected by nut, its
It is characterised by：A setting fluted (24) on the axial end being bonded to each other on upper and lower two halfbodies, another is provided with
Raised (25), groove (24) form the spacing cooperation of circumferencial direction with raised (25) clamping.
2. bending machine structure according to claim 1, it is characterised in that：Groove (24) is arranged on upper semi-body and in upper half
Arranged on the lower surface of body in cross, raised (25) are arranged on lower semi-body and are in cross cloth on the upper surface of lower semi-body
Put.
3. bending machine structure according to claim 2, it is characterised in that：The section of groove (24) and raised (25) is ladder
Shape.
4. bending machine structure according to claim 1, it is characterised in that：The mandrel (26) of described circular arc mould (20) is perpendicular
Nogata is fixed to arrangement and mandrel (26) relative to operating position, and drive mechanism driving circular arc mould (20) is around its mandrel (26)
Shaft core is rotated, and first and second two sections short straight trough (22,23) is additionally provided with circular arc mould (20), and arc groove (21) is located at first and second two sections
There are straight trough section (31) and circular arc mould (20) in the smooth arrangement that postpones, the side of gripping block (30) between short straight trough (22,23) and each other
Upper first short straight trough (22) engages one end body for clamping straight tube blank A to be bending, drive mechanism driving circular arc mould (20)
Coordinate with straight trough (11) the notch face of straight groove mould (10) and relative roll, the straight trough section that gripping block (30) is servo-actuated and is held on
(31) straight tube blank A to be bending one end body, drive mechanism driving are clamped with the first short straight trough (22) on circular arc mould (20)
Straight groove mould (10) and circular arc mould (20) be relative roll to straight trough (11) and the short straight trough of second segment (23) notch face and clamping it is to be curved
Straight tube blank A processed other end body.
5. bending machine structure according to claim 3, it is characterised in that：In the vallecular cavity of the straight trough section (31) of gripping block (30)
Wall is mat surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711162498.1A CN107745041A (en) | 2017-11-21 | 2017-11-21 | Bending machine structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711162498.1A CN107745041A (en) | 2017-11-21 | 2017-11-21 | Bending machine structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107745041A true CN107745041A (en) | 2018-03-02 |
Family
ID=61251590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711162498.1A Withdrawn CN107745041A (en) | 2017-11-21 | 2017-11-21 | Bending machine structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107745041A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605304A (en) * | 2020-12-01 | 2021-04-06 | 重庆交通建设(集团)有限责任公司 | Utilize curved hoop intelligent device of reinforcing bar of dysmorphism bearing |
| CN116408374A (en) * | 2021-12-30 | 2023-07-11 | 比亚迪股份有限公司 | Pipe bender |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201493399U (en) * | 2009-07-03 | 2010-06-02 | 四川川润股份有限公司 | Combined type pipe-bending die |
| KR20130026037A (en) * | 2011-09-05 | 2013-03-13 | 주식회사동양강철 | Mold for forming projection on extruded bar for combining led bar, and the extruded bar |
| CN203409087U (en) * | 2013-06-28 | 2014-01-29 | 郑州中鼎锅炉股份有限公司 | Finned tube bending die |
| CN206065132U (en) * | 2016-07-22 | 2017-04-05 | 上海外高桥造船有限公司 | Bending machine |
| CN207508106U (en) * | 2017-11-21 | 2018-06-19 | 博瑞特热能设备股份有限公司 | Bending machine structure |
-
2017
- 2017-11-21 CN CN201711162498.1A patent/CN107745041A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201493399U (en) * | 2009-07-03 | 2010-06-02 | 四川川润股份有限公司 | Combined type pipe-bending die |
| KR20130026037A (en) * | 2011-09-05 | 2013-03-13 | 주식회사동양강철 | Mold for forming projection on extruded bar for combining led bar, and the extruded bar |
| CN203409087U (en) * | 2013-06-28 | 2014-01-29 | 郑州中鼎锅炉股份有限公司 | Finned tube bending die |
| CN206065132U (en) * | 2016-07-22 | 2017-04-05 | 上海外高桥造船有限公司 | Bending machine |
| CN207508106U (en) * | 2017-11-21 | 2018-06-19 | 博瑞特热能设备股份有限公司 | Bending machine structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605304A (en) * | 2020-12-01 | 2021-04-06 | 重庆交通建设(集团)有限责任公司 | Utilize curved hoop intelligent device of reinforcing bar of dysmorphism bearing |
| CN116408374A (en) * | 2021-12-30 | 2023-07-11 | 比亚迪股份有限公司 | Pipe bender |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180302 |
|
| WW01 | Invention patent application withdrawn after publication |