CN2923092Y

CN2923092Y - Bent pipe arc-punching machine

Info

Publication number: CN2923092Y
Application number: CN 200620074474
Authority: CN
Inventors: 蔡祖唯; 丁雷敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-06-23
Filing date: 2006-06-23
Publication date: 2007-07-18
Anticipated expiration: 2016-06-23

Abstract

The utility model relates to a bent pipe punching machine which is comprised of a stander, a fixed device, an locations on the front side of the fixed device, and an intender arranged opposite to the locations; wherein, one section on the outer surface of the locations opposed to the intender has a circular arc surface; one section on the outer surface of the intender opposed to the allocations also has a circular arc surface; the circular arc surface on the locations is matched with the circular arc surface on the intender; the back side of the locations is provided with a stamping knife fixed seat which can be arranged on the stander in a sliding manner; and the stamping knife fixed seat is firmly connected with a stamping knife. The utility model can both bend the pipes and punch, thereby shorting the production process, saving processing devices, and increasing the processing precision of the pipes; besides, as the end of the bend block is provided with a pulley having a flute, the pipes are unlikely to be flattened during pipe bending.

Description

Bending Arc Machine

Technical field

The utility model relates to a kind of bending machine, especially for the bending machine of processing short tube.

Background technology

In the prior art, bending machine generally includes fixture that clamps pipe fitting and the bending device that is arranged on the pipe fitting sidepiece, when producing the vehicle frame of motorcycle, bicycle, need use the pipe fitting of bending, pipe fitting after the bending need cooperate with miscellaneous part usually, therefore bend pipe need be carried out arc making on other equipment, bending machine in the market only has the function of bend pipe usually, therefore bend pipe and arc making need machine in two step operations, its machining accuracy is difficult to guarantee, and it is long to have a production cycle, the drawback that hold facility is many; And easily pipe fitting is flattened when existing bending machine bends, influence the quality of product.

Summary of the invention

The purpose of this utility model provides a kind of Bending Arc Machine, and it can carry out bend pipe operation and arc making operation simultaneously.

The technical solution of the utility model is: a kind of Bending Arc Machine, it comprises frame, be fixedly connected on the fixture on the described frame, be positioned at the keeper of the front side of described fixture, be positioned at the front side of described fixture and be arranged at pressure head on the described frame movably, described keeper have one section for arc surface with the pressure head opposed outer surface, described pressure head and keeper opposed outer surface also have one section to be arc surface, the arc surface on the described keeper and the arc surface of described pressure head match, the rear side of described keeper also is provided with the stamping knife holder, described stamping knife holder is slidably disposed on the described frame, is fixedly connected with stamping knife on the described stamping knife holder.

Described fixture comprises the following fixed block that is fixedly set on the described frame, be fixedly set in the fixed support on the described frame, be arranged on the described fixed support movably and be positioned at the last fixed block of the top of described down fixed block, described going up on fixed block and the following fixed block all has fixed groove, described a pair of fixed groove docks the formation through hole mutually, described going up on fixed block and the following fixed block also has skewed slot respectively, described a pair of skewed slot docks the inclined hole that formation can supply described stamping knife to pass through mutually, and described inclined hole is connected with described through hole.

Described pressure head comprises the arc briquetting, is positioned at the piece that bends of the front side of described arc briquetting, described arc briquetting and described keeper opposed outer surface are arc surface, one end of the described piece that bends is rotatably connected to pulley, has groove on the external peripheral surface of described pulley.

Be fixedly connected with projection on the upper surface of described arc briquetting, have the breach that the profile with described projection matches on the upper surface of described keeper.

The rear side of described keeper also is provided with oil cylinder, and described oil cylinder has piston rod, and described piston rod is relative with described through hole.

Have slide rail on the described frame, described stamping knife holder and described slide rail are slidingly fitted.

The utility model compared with prior art, has following advantage: after described fixture is fixed pipe fitting to be processed, the described piece that bends bends to the front end of described pipe fitting, described stamping knife is passed by described inclined hole and to the rear end arc making of described pipe fitting, therefore can reduce production stage, save process equipment, also improved the machining accuracy of pipe fitting; In addition, because the end of the described piece that bends is provided with the pulley with groove, so pipe fitting is difficult for being crushed during bend pipe.

Description of drawings

Accompanying drawing 1 is a vertical view of the present utility model;

Accompanying drawing 2 is a right view of the present utility model;

Accompanying drawing 3 is the schematic diagram of fixture of the present utility model;

Accompanying drawing 4 is along the cutaway view of A-A direction in the accompanying drawing 1;

Accompanying drawing 5 is along the cutaway view of B-B direction in the accompanying drawing 1;

Wherein: 1, frame 2, fixture 3, pipe fitting 4, keeper; 5, pressure head; 6, stamping knife holder 7, stamping knife; 8, piston rod; 9, fork; 10, groove; 12, following fixed block; 13, go up fixed block, 14, oil cylinder; 15, inclined hole; 16, fixed groove; 17, through hole; 18, projection; 19, arc briquetting; 20, the piece that bends; 21, pulley; 22, oil cylinder; 23, fixed support; 24, breach; 25, slide rail; 26, oil cylinder; 27, fork mount pad.

The specific embodiment

Referring to accompanying drawing 1 to shown in the accompanying drawing 5, a kind of Bending Arc Machine, comprise frame 1, be fixedly connected on fixture 2 on the described frame 1, be arranged in the keeper 4 (accompanying drawing 1 left side is " back " for " preceding ", right side) of the front side of described fixture 2, the front side that is positioned at described fixture 2 also is arranged at the pressure head 5 on the described frame 1 movably, pipe fitting 3 to be processed is fixed on the described fixture 2, and its front end is between described keeper 4 and described pressure head 5.

Described fixture 2 comprises: fixedly install with described frame 1 on following fixed block 12 (described in this specification " on ", D score position relation is corresponding with the position in the accompanying drawing 3), be fixedly set in fixed support 23 on the described frame 1, be arranged on the described fixed support 23 movably and be positioned at the described last fixed block 13 of the top of fixed block 12 down, described going up on fixed block 13 and the following fixed block 12 all has fixed groove, and pipe fitting 3 to be processed is placed in the fixed groove on the described following fixed block 12.

The front side that is positioned at described keeper 4 on the described frame 1 also is provided with fork mount pad 27, be provided with fork 9 rotationally on the described fork mount pad 27, described fork 9 has two operating positions, when it is in first operating position, described fork 9 is perpendicular to described pipe fitting 3, this moment, the front end with pipe fitting to be processed 3 was against on the side end face of described fork 9, and the relative position of this pipe fitting 3 promptly is determined; Also be set with oil cylinder 14 on the described fixed support 23, described oil cylinder 14 has piston rod, described upward fixed block 13 is connected the end of this piston rod, therefore this piston rod can drive fixed block 13 and moves down and be pressed on described time fixed block 12, fixed groove under making on fixed block 12 and the last fixed block 13 docks mutually and forms through hole 17, pipe fitting 3 to be processed in described through hole 17 and be clamped at described between fixed block 13 and the following fixed block 12, arrange described fork 9 this moment, make its side end face leave the front end of described pipe fitting 3, promptly described fork 9 is in second operating position.

The rear side that is positioned at described keeper 4 on the described frame 1 also is provided with slide rail 25, is provided with stamping knife holder 6 slidably on the described slide rail 25, is fixedly connected with stamping knife 7 on this stamping knife holder 6; Described going up on fixed block 13 and the following fixed block 12 also has skewed slot, described a pair of skewed slot docks the inclined hole 15 that formation can supply described stamping knife 7 to pass through mutually, described inclined hole 15 is connected with the rear end of described through hole 17, described stamping knife 7 is penetrated by inclined hole 15, and the end of described pipe fitting 3 is carried out arc making.

Also be set with oil cylinder 26 on the described frame 1, described oil cylinder 26 has piston rod, and the end of this piston rod is fixedly connected on the end of described pressure head 5, described keeper 4 have one section for arc surface with pressure head 5 opposed outer surface, described pressure head 5 also has one section to be arc surface with keeper 4 opposed outer surface, the arc surface on the described keeper 4 and the arc surface of described pressure head 5 match, and described pipe fitting 3 is between described keeper 4 and described pressure head 5.Under the driving of described oil cylinder 26, this piston rod drives described pressure head 5 and moves to keeper 4 directions, and the leading section of described pipe fitting 3 is bent.Pipe fitting 3 is crushed when preventing bend pipe, and described keeper 4 and pressure head 5 all have the arc groove that the outer surface with described pipe fitting 3 matches at interface, and described pipe fitting 3 is fixed between two arc grooves, therefore can avoid described pipe fitting 3 to be crushed.

Described pressure head 5 comprises arc briquetting 19, be positioned at the piece 20 that bends of the front side of described arc briquetting 19, described arc briquetting 19 is an arc surface with described keeper 4 opposed outer surface, when bending, the described piece 20 that bends props up the front end of pipe fitting 3 and with its bending, 4 of described arc briquetting 19 and keepers are pressed into the arc identical with its outer surface with described pipe fitting 3, one end of the described piece 20 that bends is rotatably connected to pulley 21, have groove 10 on the external peripheral surface of described pulley 21, therefore described pulley 21 rollably slips at the outer surface of described pipe fitting 3, can avoid pipe fitting 3 stress raisers and is out of shape.

For making the accurately contraposition when the bend pipe of described arc briquetting 19 and described keeper 4, be fixedly connected with projection 18 on the upper surface of described arc briquetting 19, has the breach 24 that the profile with described projection 18 matches on the upper surface of described keeper 4, during bend pipe, described projection 18 is inserted in the described breach 24.

The rear side of described fixture 2 also is provided with oil cylinder 22, and described oil cylinder 22 has piston rod 8, and described piston rod 8 is relative with described through hole 17.After described pipe fitting 3 processed, control oil cylinder 14 made the described fixed block 13 of going up make progress, and the pipe fitting 3 that this piston rod 8 can move forward and promote to process under the driving of oil cylinder 22 conveniently takes off it.

Claims

1, a kind of Bending Arc Machine, it comprises frame (1), be fixedly connected on the fixture (2) on the described frame (1), be positioned at the keeper (4) of the front side of described fixture (2), be positioned at the front side of described fixture (2) and be arranged at pressure head (5) on the described frame (1) movably, described keeper (4) have one section for arc surface with pressure head (5) opposed outer surface, described pressure head (5) also has one section to be arc surface with keeper (4) opposed outer surface, the arc surface of arc surface on the described keeper (4) and described pressure head (5) matches, it is characterized in that: the rear side of described keeper (4) also is provided with stamping knife holder (6), described stamping knife holder (6) is slidably disposed on the described frame (1), is fixedly connected with stamping knife (7) on the described stamping knife holder (6).

2, Bending Arc Machine according to claim 1, it is characterized in that: described fixture (2) comprises the following fixed block (12) that is fixedly set on the described frame (1), be fixedly set in the fixed support (23) on the described frame (1), be arranged at described fixed support (23) movably and go up and be positioned at the last fixed block (13) of the top of described following fixed block (12), described going up on fixed block (13) and the following fixed block (12) all has fixed groove, described a pair of fixed groove docks mutually and forms through hole (17), described going up on fixed block (13) and the following fixed block (12) also has skewed slot respectively, described a pair of skewed slot docks the inclined hole (15) that formation can supply described stamping knife (7) to pass through mutually, and described inclined hole (15) is connected with described through hole (17).

3, Bending Arc Machine according to claim 1, it is characterized in that: described pressure head (5) comprises arc briquetting (19), is positioned at the piece that bends (20) of the front side of described arc briquetting (19), described arc briquetting (19) is an arc surface with described keeper (4) opposed outer surface, one end of the described piece that bends (20) is rotatably connected to pulley (21), has groove (10) on the external peripheral surface of described pulley (21).

4, Bending Arc Machine according to claim 3, it is characterized in that: be fixedly connected with projection (18) on the upper surface of described arc briquetting (19), have the breach (24) that matches with described projection (18) on the upper surface of described keeper (4).

5, Bending Arc Machine according to claim 1 is characterized in that: the rear side of described keeper (4) also is provided with oil cylinder (22), and described oil cylinder (22) has piston rod (8), and described piston rod (8) is relative with described through hole (17).

6, Bending Arc Machine according to claim 1 is characterized in that: have slide rail (25) on the described frame (1), described stamping knife holder (6) is slidingly fitted with described slide rail (25).