CN103464547A - Upper and lower die changing device for pipe bending machine - Google Patents
Upper and lower die changing device for pipe bending machine Download PDFInfo
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- CN103464547A CN103464547A CN2013104422258A CN201310442225A CN103464547A CN 103464547 A CN103464547 A CN 103464547A CN 2013104422258 A CN2013104422258 A CN 2013104422258A CN 201310442225 A CN201310442225 A CN 201310442225A CN 103464547 A CN103464547 A CN 103464547A
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- pipe bending
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Abstract
The invention discloses an upper and lower die changing device for a pipe bending machine. The pipe bending machine comprises a pipe bending fixed die and a pipe bending movable die; the pipe bending fixed die comprises a pipe bending upper die and a pipe bending lower die which are coaxially arranged on a head; the head is arranged on a rack in a vertical lifting manner; the upper and lower die changing device is arranged between the rack and the head to drive the head to vertically ascend and descend, so that the pipe bending upper die or the pipe bending lower die is matched with the pipe bending movable die; the upper and lower die changing device comprises a guide rail which is horizontally arranged, a jacking block arranged on the guide rail in a sliding manner, and a horizontal driving device for driving the jacking block to horizontally slide; the jacking block is in contact with the head to jack up the head; the contact surface of the jacking block and the head comprises an inclined plane, a lower locking surface in connection transition with the inclined plane, and an upper locking surface in connection transition with the inclined plane; when the pipe bending movable die is matched with the pipe bending upper die, the lower locking surface is in contact with the head and supports the head; when the pipe bending movable die is matched with the pipe bending lower die, the upper locking surface is in contact with the head and supports the head. The upper and lower die changing device can enable an absolute value of a movement distance when the pipe bending lower die and the pipe bending upper die are replaced to be unchanged, so that the head is guaranteed not to be sunk and the pipe bending accuracy of the pipe bending machine is ensured.
Description
Technical field
The present invention relates to a kind of bending machine technical field, refer to especially a kind of mould changing device up and down of bending machine.
Background technology
Bending machine generally comprises bend pipe cover half and bend pipe dynamic model, described bend pipe cover half comprises bend pipe patrix and the bend pipe counterdie coaxially be arranged on head, this head vertical lifting is installed on frame, described upper and lower mould changing device is installed on driving machine head erect lifting between frame and head, bend pipe patrix or bend pipe counterdie are coordinated with the bend pipe dynamic model, and current mould changing device up and down is the direct driving of the hoist cylinder by vertical placement, the cylinder barrel bottom that is hoist cylinder is fixed on frame, and the piston rod upper end of hoist cylinder is connected with head, like this when bend pipe counterdie and bend pipe cover half cooperating, head is driven in propradation by hoist cylinder, due to oil piping system pressure unstability, the reasons such as the sealing of hoist cylinder is not good, can cause the oil piping system pressure drop, at Action of Gravity Field, head must slowly sink, so just had influence on the quality of fit between bend pipe cover half and bend pipe counterdie.
Summary of the invention
Technical problem to be solved by this invention is: the mould changing device up and down that a kind of bending machine is provided; it is constant apart from absolute value that this upper and lower mould changing device moves in the time of can making bend pipe counterdie and bend pipe patrix change; thereby guarantee that head does not sink, guarantee the bend pipe precision of bending machine.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of mould changing device up and down of bending machine, this bending machine comprises bend pipe cover half and bend pipe dynamic model, described bend pipe cover half comprises bend pipe patrix and the bend pipe counterdie coaxially be arranged on head, this head vertical lifting is installed on frame, described upper and lower mould changing device is installed on driving machine head erect lifting between frame and head, bend pipe patrix or bend pipe counterdie are coordinated with the bend pipe dynamic model, this upper and lower mould changing device comprises horizontally disposed guide rail, be slidably mounted on the jacking piece on guide rail, drive the horizontal drive apparatus of jacking piece horizontal slip, described jacking piece contacts the jacking head with head, the contact-making surface of this jacking piece and head comprises an inclined plane, the lower locking face that is connected transition with inclined plane, and the upper locking face that is connected transition with inclined plane, this bend pipe dynamic model coordinates locking face at present to contact the described head of support with the bend pipe patrix, when this bend pipe dynamic model coordinates with the bend pipe counterdie, upper locking face contacts and supports described head.
As a kind of preferred scheme, described inclined plane is for becoming the clinoplain of 30 ° of angles with level.
As a kind of preferred scheme, described lower locking face and upper locking face are horizontal plane.
As a kind of preferred scheme, described horizontal drive apparatus is horizontal propelling cylinder, and the piston rod of this propelling cylinder is connected with the jacking piece.
As a kind of preferred scheme, described horizontal drive apparatus comprises motor and screw-nut body, and this motor is connected with leading screw or the nut of screw-nut body, and the nut of this screw-nut body or leading screw are connected with the jacking piece.
As a kind of preferred scheme, described head is fixed on lifting slider, and this lifting slider is slidably mounted on frame, and the lower end of this lifting slider is rotatablely equipped with roller, and this roller contacts with the jacking piece.
After having adopted technique scheme, effect of the present invention is: because this upper and lower mould changing device comprises horizontally disposed guide rail, be slidably mounted on the jacking piece on guide rail, drive the horizontal drive apparatus of jacking piece horizontal slip, described jacking piece contacts the jacking head with head, the contact-making surface of this jacking piece and head comprises an inclined plane, the lower locking face that is connected transition with inclined plane, and the upper locking face that is connected transition with inclined plane, this bend pipe dynamic model coordinates locking face at present to contact the described head of support with the bend pipe patrix, when this bend pipe dynamic model coordinates with the bend pipe counterdie, upper locking face contacts and supports described head, therefore, the lifting action of head is driven by the jacking piece of horizontal movement, upper locking face provides stable support for the use of bend pipe counterdie, the use that lower locking face is the bend pipe patrix provides stable support, head can slowly not sink, thereby guarantee the bend pipe precision of bending machine.
Again due to as a kind of preferred scheme, described inclined plane is for to become the clinoplain of 30 ° of angles with level, like this, but the jacking head lifting of jacking piece steady and smooth.
Be horizontal plane due to described lower locking face and upper locking face again, therefore, but lower locking face and upper locking face stable support head, and also make head can smooth and easyly slide along the contact-making surface of jacking piece.
Again because described head is fixed on lifting slider, this lifting slider is slidably mounted on frame, the lower end of this lifting slider is rotatablely equipped with roller, this roller contacts with the jacking piece, therefore, be rolling friction between the roller of the bottom of lifting slider and jacking piece, can reduce like this degree of wear of lifting slider lower end, guarantee the smooth and easy of jacking action.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structure cutaway view of the embodiment of the present invention;
In accompanying drawing: 1. head; 2. bend pipe counterdie; 3. bend pipe patrix; 4. lifting slider; 5. upper and lower mould changing device; 51. horizontal propelling cylinder; 52. jacking piece; 521. inclined plane; 522. lower locking face; 523. upper locking face; 53. guide rail; 6. roller; 7. frame.
The specific embodiment
Below by specific embodiment, the present invention is described in further detail.
As shown in Figure 1, a kind of mould changing device up and down 5 of bending machine, this bending machine comprises bend pipe cover half and bend pipe dynamic model, described bend pipe cover half comprises bend pipe patrix 3 and the bend pipe counterdie 2 coaxially be arranged on head 1, this head 1 vertically is fixed on upper and lower mould changing device 5, these upper and lower mould changing device 5 liftings are installed on frame 7, thereby but head 1 vertical lifting is installed on frame 7, described upper and lower mould changing device is installed between frame 7 and head 1 and drives head 1 vertical lifting, and bend pipe patrix 3 or bend pipe counterdie 2 are coordinated with the bend pipe dynamic model.And in the present embodiment, upper and lower mould changing device comprises the guide rail 53 that is horizontally placed on frame 7 or ground, be slidably mounted on jacking piece 52 on guide rail 53, drive the horizontal drive apparatus of jacking piece 52 horizontal slips, described jacking piece 52 contacts jacking head 1 with head 1, this jacking piece 52 comprises that with the contact-making surface of head 1 a 521,Yu inclined plane, inclined plane 521 is connected the lower locking face 522 of transition and the upper locking face 523 that is connected transition with inclined plane 521, and described inclined plane 521 is for becoming the clinoplain of 30 ° of angles with level.Described lower locking face 522 and upper locking face 523 are horizontal plane, in fact, for inclined plane 521, can be also the inclination cambered surface, and upper locking face 523 and lower locking face 522 can be also the locking cambered surfaces, only need on the locking cambered surface, be provided with a locked position and get final product.This bend pipe dynamic model coordinates locking face 522 at present to contact the described head 1 of support with bend pipe patrix 3, and when this bend pipe dynamic model coordinates with bend pipe counterdie 2, upper locking face 523 contacts and supports described head 1.Because upper locking face 523 and lower locking face 522 are plane, when head 1 is supported by upper locking face 523 or lower locking face 522 so,, head 1 not there will be upper and lower floating, thereby the precision that the bend pipe dynamic model coordinates with bend pipe counterdie 2 or bend pipe patrix 3 can guarantee.
And, for horizontal drive apparatus, various ways can be arranged, and wherein, what in the present embodiment, adopt is horizontal propelling cylinder 51, the piston rod of this propelling cylinder is connected with jacking piece 52, adopts horizontal propelling cylinder 51 simple in structure, can share with the hydraulic circuit of bending machine.
And horizontal drive apparatus can also adopt other structures, for example comprise motor and screw-nut body, this motor is connected with leading screw or the nut of screw-nut body, and the nut of this screw-nut body or leading screw are connected with jacking piece 52.
And for the lifting that makes bending machine smooth and easy, be rotatablely equipped with roller 6 in the lower end of this upper and lower mould changing device 5, this roller 6 contacts with jacking piece 52, utilizes roller 6 to make sliding friction become rolling friction, thereby makes between jacking piece 52 and head 1 relative motion more smooth and easy.
Claims (6)
1. the mould changing device up and down of a bending machine, this bending machine comprises bend pipe cover half and bend pipe dynamic model, described bend pipe cover half comprises bend pipe patrix and the bend pipe counterdie coaxially be arranged on head, this head vertical lifting is installed on frame, described upper and lower mould changing device is installed on driving machine head erect lifting between frame and head, bend pipe patrix or bend pipe counterdie are coordinated with the bend pipe dynamic model, it is characterized in that: this upper and lower mould changing device comprises horizontally disposed guide rail, be slidably mounted on the jacking piece on guide rail, drive the horizontal drive apparatus of jacking piece horizontal slip, described jacking piece contacts the jacking head with head, the contact-making surface of this jacking piece and head comprises an inclined plane, the lower locking face that is connected transition with inclined plane, and the upper locking face that is connected transition with inclined plane, this bend pipe dynamic model coordinates locking face at present to contact the described head of support with the bend pipe patrix, when this bend pipe dynamic model coordinates with the bend pipe counterdie, upper locking face contacts and supports described head.
2. the mould changing device up and down of a kind of bending machine as claimed in claim 1 is characterized in that: described inclined plane is for becoming the clinoplain of 30 ° of angles with level.
3. the mould changing device up and down of a kind of bending machine as claimed in claim 2, it is characterized in that: described lower locking face and upper locking face are horizontal plane.
4. the mould changing device up and down of a kind of bending machine as claimed in claim 3, it is characterized in that: described horizontal drive apparatus is horizontal propelling cylinder, the piston rod of this propelling cylinder is connected with the jacking piece.
5. the mould changing device up and down of a kind of bending machine as claimed in claim 3, it is characterized in that: described horizontal drive apparatus comprises motor and screw-nut body, this motor is connected with leading screw or the nut of screw-nut body, and the nut of this screw-nut body or leading screw are connected with the jacking piece.
6. as the mould changing device up and down of claim 4 or 5 described a kind of bending machines, it is characterized in that: described head is fixed on lifting slider, this lifting slider is slidably mounted on frame, and the lower end of this lifting slider is rotatablely equipped with roller, and this roller contacts with the jacking piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104422258A CN103464547A (en) | 2013-09-25 | 2013-09-25 | Upper and lower die changing device for pipe bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104422258A CN103464547A (en) | 2013-09-25 | 2013-09-25 | Upper and lower die changing device for pipe bending machine |
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| CN103464547A true CN103464547A (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013104422258A Pending CN103464547A (en) | 2013-09-25 | 2013-09-25 | Upper and lower die changing device for pipe bending machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484081A (en) * | 2015-12-24 | 2016-04-13 | 上海人造板机器厂有限公司 | Perpendicular subdivision left-right-type grinding chamber structure |
| CN107755545A (en) * | 2017-12-18 | 2018-03-06 | 张家港兴宇机械制造有限公司 | Die changing mechanism in bending machine |
| CN109079010A (en) * | 2018-09-13 | 2018-12-25 | 长治钢铁（集团）锻压机械制造有限公司 | A kind of bending machine for the U-shaped curved production line of speciality |
| CN112828162A (en) * | 2019-11-22 | 2021-05-25 | 上海赛科利汽车模具技术应用有限公司 | Slide wedge switching mechanism and mould |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57115919A (en) * | 1981-01-10 | 1982-07-19 | Japan Steel Works Ltd:The | Method and equipment for forming bent pipe |
| EP0446819A2 (en) * | 1990-03-13 | 1991-09-18 | Mewag Maschinenfabrik Ag | Tube bending machine |
| US5749255A (en) * | 1995-12-08 | 1998-05-12 | Sankei Giken Kogyo Kabushiki Kaisya | Bending device for hollow double-structured pipe |
| CN2565560Y (en) * | 2002-07-23 | 2003-08-13 | 乔升机器股份有限公司 | Improved mechanism of lifting machine head pipe bender |
| CN201815597U (en) * | 2010-05-17 | 2011-05-04 | 孙亮 | Die changing mechanism of machine head in full-automatic pipe bending machine |
| CN202639001U (en) * | 2012-06-26 | 2013-01-02 | 张家港市华舜机械制造有限公司 | Supporting device of pipe bending machine head |
| CN102989850A (en) * | 2012-11-21 | 2013-03-27 | 张家港和升数控机床制造有限公司 | Die elevating device applied to tube bending machine |
| CN203484458U (en) * | 2013-09-25 | 2014-03-19 | 张家港市华舜机械制造有限公司 | Upper mold and lower mold replacement device of pipe bending machine |
-
2013
- 2013-09-25 CN CN2013104422258A patent/CN103464547A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57115919A (en) * | 1981-01-10 | 1982-07-19 | Japan Steel Works Ltd:The | Method and equipment for forming bent pipe |
| EP0446819A2 (en) * | 1990-03-13 | 1991-09-18 | Mewag Maschinenfabrik Ag | Tube bending machine |
| US5749255A (en) * | 1995-12-08 | 1998-05-12 | Sankei Giken Kogyo Kabushiki Kaisya | Bending device for hollow double-structured pipe |
| CN2565560Y (en) * | 2002-07-23 | 2003-08-13 | 乔升机器股份有限公司 | Improved mechanism of lifting machine head pipe bender |
| CN201815597U (en) * | 2010-05-17 | 2011-05-04 | 孙亮 | Die changing mechanism of machine head in full-automatic pipe bending machine |
| CN202639001U (en) * | 2012-06-26 | 2013-01-02 | 张家港市华舜机械制造有限公司 | Supporting device of pipe bending machine head |
| CN102989850A (en) * | 2012-11-21 | 2013-03-27 | 张家港和升数控机床制造有限公司 | Die elevating device applied to tube bending machine |
| CN203484458U (en) * | 2013-09-25 | 2014-03-19 | 张家港市华舜机械制造有限公司 | Upper mold and lower mold replacement device of pipe bending machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484081A (en) * | 2015-12-24 | 2016-04-13 | 上海人造板机器厂有限公司 | Perpendicular subdivision left-right-type grinding chamber structure |
| CN107755545A (en) * | 2017-12-18 | 2018-03-06 | 张家港兴宇机械制造有限公司 | Die changing mechanism in bending machine |
| CN109079010A (en) * | 2018-09-13 | 2018-12-25 | 长治钢铁（集团）锻压机械制造有限公司 | A kind of bending machine for the U-shaped curved production line of speciality |
| CN109079010B (en) * | 2018-09-13 | 2023-09-26 | 长治钢铁（集团）锻压机械制造有限公司 | Pipe bending machine for extra-long U-shaped bending production line |
| CN112828162A (en) * | 2019-11-22 | 2021-05-25 | 上海赛科利汽车模具技术应用有限公司 | Slide wedge switching mechanism and mould |
| CN112828162B (en) * | 2019-11-22 | 2022-07-12 | 上海赛科利汽车模具技术应用有限公司 | Slide wedge switching mechanism and mould |
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Application publication date: 20131225 |