CN217223094U

CN217223094U - Push type pipe bender

Info

Publication number: CN217223094U
Application number: CN202220739753.4U
Authority: CN
Inventors: 韩连新; 祭立柱; 季艳庆; 史训良; 刘立勇
Original assignee: Hebei Hengtong Pipe Fittings Group Co ltd
Current assignee: Hebei Hengtong Pipe Fittings Group Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-19
Anticipated expiration: 2032-03-31

Abstract

The utility model relates to the technical field of pipe bending machines, in particular to a push type pipe bending machine; the straight pipe bending machine is convenient for feeding the straight pipe and discharging the bent pipe after bending processing, and the straight pipe bending processing efficiency is improved; the automatic pipe bending machine comprises a frame, a pipe bending die, a pipe bending mechanism and a roller limiting mechanism, the pipe bending die is fixedly installed on the frame, the pipe bending mechanism is installed on the left portion of the frame, the roller limiting mechanism is installed on the right portion of the frame, the pipe bending mechanism comprises a moving seat, a first driving cylinder, two sets of second driving cylinders, a bending frame and an auxiliary bending mechanism, the moving seat can be arranged on the frame in a left-right sliding mode, the first driving cylinder is fixedly installed on the frame, the output end of the first driving cylinder is fixedly connected with the moving seat, the fixed ends of the two sets of second driving cylinders can be rotatably installed on the moving seat, the roller limiting mechanism comprises two sets of first supporting frames and two sets of limiting rollers, and the two sets of limiting rollers can be rotatably installed between the two sets of first supporting frames.

Description

Push type pipe bender

Technical Field

The utility model relates to a technical field of bending machine especially relates to a push type bending machine.

Background

As is well known, a push type pipe bender is a device for bending straight pipes in the process of processing medium and small-diameter elbows; publication (bulletin) No. CN104190763B discloses a push type pipe bender with controllable bending radius, which comprises a fixed seat, a bending radius control device and a heating coil, wherein the bending radius control device comprises a rotating arm, a guide rail fixedly arranged, a first clamp for clamping a pipe blank and a second clamp for clamping the rotating arm, the guide rail is provided with a slide block connected with the guide rail in a sliding way and a limiting device used for limiting the position of the slide block on the guide rail, the second clamp is hinged on the sliding block, the first clamp is fixedly arranged at one end of the rotating arm, the rotary arm can rotate along with the rotary arm to bend the tube blank, the bottom of the first clamp is provided with a roller, the vertical distance from the hinge point of the second clamp and the sliding block to the center of the first clamp is equal to the bending radius of the part of the tube blank to be bent, the bending radius of the tube blank can be changed by adjusting the clamping position of the rotating arm in the second clamp; the existing push type pipe bending machine is found in use, the straight pipe bending machining efficiency is low, the straight pipe bending machining efficiency is influenced, feeding and discharging are inconvenient, and certain use limitation is realized.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a push-type bending machine convenient to improve the straight tube machining efficiency that bends to straight tube material loading and bend processing back bend unloading.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the pipe bending machine comprises a machine base, a pipe bending die, a pipe bending mechanism and a roller limiting mechanism, wherein the pipe bending die is fixedly arranged on the machine base, the pipe bending mechanism is arranged at the left part of the machine base, the roller limiting mechanism is arranged at the right part of the machine base, the pipe bending mechanism comprises a movable base, a first driving cylinder, two groups of second driving cylinders, a bending frame and an auxiliary bending mechanism, the movable base can be arranged on the machine base in a left-right sliding manner, the first driving cylinder is fixedly arranged on the machine base, the output end of the first driving cylinder is fixedly connected with the movable base, the fixed ends of the two groups of second driving cylinders can be rotatably arranged on the movable base, the bending frame can be rotatably arranged on the machine base, the output ends of the two groups of second driving cylinders are hinged with the bending frame, the auxiliary bending mechanism is arranged on the bending frame, the roller limiting mechanism comprises two groups of first supporting frames and two groups of limiting rollers, and the two groups of first supporting frames are fixedly arranged on the machine base, two groups of limiting rollers can be rotatably arranged between the two groups of first supporting frames.

Preferably, the auxiliary bending mechanism comprises a V-shaped frame, two sets of rotating rollers and a third driving cylinder, the third driving cylinder is fixedly mounted on the bending frame, the V-shaped frame is fixedly mounted at the output end of the third driving cylinder, and the two sets of rotating rollers can be rotatably mounted on the V-shaped frame.

Preferably, still include cutting mechanism, cutting mechanism includes mounting bracket, fourth drive cylinder, slitting saw, transfer line and rotating turret, mounting bracket fixed mounting is on the frame, fourth drive cylinder fixed mounting is on the mounting bracket, the rotating turret rotatable mounting is on the mounting bracket, slitting saw fixed mounting is on the rotating turret, the output and the rotating turret of fourth drive cylinder pass through the transfer line transmission and are connected.

Preferably, the conveying device further comprises an auxiliary conveying mechanism, the auxiliary conveying mechanism comprises two groups of second supporting frames, a driving motor and conveying rollers, the two groups of second supporting frames are fixedly installed on the right portion of the machine base, the conveying rollers are rotatably installed between the two groups of second supporting frames, the driving motor is fixedly installed on the second supporting frames, and the output end of the driving motor is in transmission connection with the conveying rollers.

Preferably, two groups of guide columns are fixedly mounted on the V-shaped frame, and the guide columns are slidably arranged on the bending frame.

(III) advantageous effects

Compared with the prior art, the utility model provides a push type bending machine possesses following beneficial effect: this impulse type bending machine passes the straight tube between two sets of spacing rollers on the running roller stop gear, promote the straight tube from right to left and carry out the material loading, the left part of straight tube stretches into between pipe bending mould and the pipe bending mechanism, start first actuating cylinder and two sets of second actuating cylinders simultaneously, the output extension of first actuating cylinder, the output extension of two sets of second actuating cylinders, the bending frame rotates, supplementary bending mechanism presses the straight tube, under the effect of pipe bending mould, the straight tube is bent the machine-shaping, pipe bending mechanism resets this moment, the return bend after will bending is taken out left and is carried out the unloading, be convenient for to straight tube material loading and the blanking of the return bend after the processing of bending, the straight tube machining efficiency of bending is improved.

Drawings

Fig. 1 is a schematic isometric view of the present invention;

fig. 2 is a schematic diagram of a right rear perspective structure of the present invention;

fig. 3 is a schematic view of the enlarged structure of a part a in fig. 2 according to the present invention;

in the drawings, the reference numbers: 1. a machine base; 2. a pipe bending die; 3. a movable seat; 4. a first drive cylinder; 5. a second drive cylinder; 6. a bending frame; 7. a first support frame; 8. a limiting roller; 9. a V-shaped frame; 10. rotating the roller; 11. a third drive cylinder; 12. a mounting frame; 13. a fourth drive cylinder; 14. cutting and sawing; 15. a transmission rod; 16. a rotating frame; 17. a second support frame; 18. a drive motor; 19. a conveying roller; 20. and a guide post.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the push type pipe bender of the present invention comprises a frame 1, a pipe bending mold 2, a pipe bending mechanism and a roller limiting mechanism, wherein the pipe bending mold 2 is fixedly mounted on the frame 1, the pipe bending mechanism is mounted on the left portion of the frame 1, the roller limiting mechanism is mounted on the right portion of the frame 1, the pipe bending mechanism comprises a movable base 3, a first driving cylinder 4, two sets of second driving cylinders 5, a bending frame 6 and an auxiliary bending mechanism, the movable base 3 is slidably mounted on the frame 1, the first driving cylinder 4 is fixedly mounted on the frame 1, the output end of the first driving cylinder 4 is fixedly connected with the movable base 3, the fixed ends of the two sets of second driving cylinders 5 are rotatably mounted on the movable base 3, the bending frame 6 is rotatably mounted on the frame 1, the output ends of the two sets of second driving cylinders 5 are hinged with the bending frame 6, the auxiliary bending mechanism is mounted on the bending frame 6, the roller limiting mechanism comprises two groups of first supporting frames 7 and two groups of limiting rollers 8, wherein the two groups of first supporting frames 7 are fixedly arranged on the machine base 1, and the two groups of limiting rollers 8 can be rotatably arranged between the two groups of first supporting frames 7; the straight pipe passes between two sets of spacing rollers 8 on the running roller stop gear, promote the straight pipe from right to left and carry out the material loading, the left part of straight pipe stretches into between bend pipe mould 2 and the return bend mechanism, start first driving cylinder 4 and two sets of second driving cylinders 5 simultaneously, the output extension of first driving cylinder 4, the output extension of two sets of second driving cylinders 5, bending frame 6 rotates, supplementary bending mechanism moves the straight pipe, under the effect of return bend mould 2, the straight pipe is bent the machine-shaping, the return bend mechanism resets this moment, the return bend after will bending is taken out left and is carried out the unloading, be convenient for to the straight pipe material loading with bend the unloading of processing back bend, improve the straight pipe machining efficiency of bending.

The utility model discloses a push-type pipe bender, auxiliary bending mechanism include V type frame 9, two sets of revolving rollers 10 and third driving cylinder 11, third driving cylinder 11 is fixedly mounted on bending frame 6, V type frame 9 is fixedly mounted on the output end of third driving cylinder 11, two sets of revolving rollers 10 can both be rotatably mounted on V type frame 9; when the straight pipe is bent, the third driving cylinder 11 is started, the output end of the third driving cylinder 11 extends, the V-shaped frame 9 approaches to the center of the bending die 2, and the V-shaped frame 9 and the straight pipe are in a movable state under the action of the rotating roller 10, so that the straight pipe can be smoothly pushed to the bending die 2, and the bending efficiency of the straight pipe is further improved.

The utility model discloses a push type pipe bending machine, still include cutting mechanism, cutting mechanism includes mounting bracket 12, fourth driving cylinder 13, slitting saw 14, transfer line 15 and rotating turret 16, mounting bracket 12 fixed mounting is on frame 1, fourth driving cylinder 13 fixed mounting is on mounting bracket 12, rotating turret 16 rotatable mounting is on mounting bracket 12, slitting saw 14 fixed mounting is on rotating turret 16, the output of fourth driving cylinder 13 and rotating turret 16 are connected through transfer line 15 transmission; after the straight pipe is bent and formed, the fourth driving cylinder 13 and the cutting saw 14 are started, the output end of the fourth driving cylinder 13 is shortened, after the straight pipe is driven by the driving rod 15, the rotating frame 16 rotates, the cutting saw 14 approaches to the bent pipe, the bent pipe is cut off under the action of the cutting saw 14, and the cut bent pipe part is blanked.

The utility model discloses a push type pipe bending machine, still include the auxiliary conveyor mechanism, the auxiliary conveyor mechanism includes two sets of second support frames 17, driving motor 18 and conveying roller 19, two sets of second support frames 17 are all fixed mounting in the frame 1 right part, conveying roller 19 is rotatable to be installed between two sets of second support frames 17, driving motor 18 is fixed mounting on second support frame 17, the output end of driving motor 18 is connected with conveying roller 19 transmission; by starting the driving motor 18, the straight pipe is conveyed by the conveying roller 19 without manually pushing and feeding the straight pipe, so that the manual workload is further reduced.

The utility model discloses a push-type pipe bender, wherein two groups of guide posts 20 are fixedly arranged on a V-shaped frame 9, and the guide posts 20 are slidably arranged on a bending frame 6; through the arrangement of the two groups of guide posts 20, the V-shaped frame 9 can be more stable when moving, the V-shaped frame 9 is prevented from rotating, and the two groups of rotating rollers 10 are always kept tangent with the outer wall of the straight pipe.

When the straight pipe bending device is used, the straight pipe passes through the two groups of limiting rollers 8 on the roller limiting mechanism, the straight pipe is pushed from right to left to be fed, the left part of the straight pipe extends into the space between the pipe bending die 2 and the pipe bending mechanism, the first driving cylinder 4 and the two groups of second driving cylinders 5 are started simultaneously, the output end of the first driving cylinder 4 extends, the output ends of the two groups of second driving cylinders 5 extend, the bending frame 6 rotates, the straight pipe is pressed by the auxiliary bending mechanism, the straight pipe is bent and formed under the action of the pipe bending die 2, the pipe bending mechanism resets at the moment, the bent pipe after being bent is pulled leftwards to be fed, the straight pipe feeding and the bent pipe feeding after being bent are facilitated, and the straight pipe bending processing efficiency is improved; when the straight pipe is bent, the third driving cylinder 11 is started, so that the output end of the third driving cylinder 11 extends, the V-shaped frame 9 approaches to the center of the bending die 2, and the V-shaped frame 9 and the straight pipe are in a movable state under the action of the rotating roller 10, so that the straight pipe can be smoothly pushed to the bending die 2, and the bending efficiency of the straight pipe is further improved; after the straight pipe is bent, processed and formed, the fourth driving cylinder 13 and the cutting saw 14 are started, the output end of the fourth driving cylinder 13 is shortened, after transmission of the transmission rod 15, the rotating frame 16 rotates, the cutting saw 14 approaches to the bent pipe, the bent pipe is cut off under the action of the cutting saw 14, and the cut bent pipe part is blanked, so that bending and cutting processing of the bent pipe can be completed at a single time, blanking and cutting of the bent pipe are not needed, manual operation amount is reduced, and the processing efficiency of the bent pipe is further improved; the driving motor 18 is started, the straight pipe is conveyed by the conveying roller 19, the straight pipe does not need to be pushed and fed manually, and the manual workload is further reduced; through the arrangement of the two groups of guide posts 20, the V-shaped frame 9 can be more stable when moving, the V-shaped frame 9 is prevented from rotating, and the two groups of rotating rollers 10 are always kept tangent with the outer wall of the straight pipe.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The push type pipe bending machine is characterized by comprising a machine base (1), a pipe bending die (2), a pipe bending mechanism and a roller limiting mechanism, wherein the pipe bending die (2) is fixedly arranged on the machine base (1), the pipe bending mechanism is arranged on the left part of the machine base (1), the roller limiting mechanism is arranged on the right part of the machine base (1), the pipe bending mechanism comprises a moving base (3), a first driving cylinder (4), two groups of second driving cylinders (5), a bending frame (6) and an auxiliary bending mechanism, the moving base (3) can be arranged on the machine base (1) in a left-right sliding mode, the first driving cylinder (4) is fixedly arranged on the machine base (1), the output end of the first driving cylinder (4) is fixedly connected with the moving base (3), the fixed ends of the two groups of second driving cylinders (5) can be rotatably arranged on the moving base (3), and the bending frame (6) can be rotatably arranged on the machine base (1), the output ends of the two groups of second driving cylinders (5) are hinged to the bending frame (6), the auxiliary bending mechanism is installed on the bending frame (6), the roller limiting mechanism comprises two groups of first supporting frames (7) and two groups of limiting rollers (8), the two groups of first supporting frames (7) are fixedly installed on the machine base (1), and the two groups of limiting rollers (8) can be rotatably installed between the two groups of first supporting frames (7).

2. The push type pipe bender according to claim 1, characterized in that said auxiliary bending mechanism comprises a V-shaped frame (9), two sets of rollers (10) and a third driving cylinder (11), said third driving cylinder (11) is fixedly mounted on the bending frame (6), said V-shaped frame (9) is fixedly mounted on the output end of the third driving cylinder (11), and both sets of rollers (10) can be rotatably mounted on the V-shaped frame (9).

3. The push type pipe bender according to claim 2, characterized in that, it further comprises a cutting mechanism, the cutting mechanism comprises a mounting frame (12), a fourth driving cylinder (13), a cutting saw (14), a transmission rod (15) and a rotating frame (16), the mounting frame (12) is fixedly mounted on the machine base (1), the fourth driving cylinder (13) is fixedly mounted on the mounting frame (12), the rotating frame (16) is rotatably mounted on the mounting frame (12), the cutting saw (14) is fixedly mounted on the rotating frame (16), and an output end of the fourth driving cylinder (13) is in transmission connection with the rotating frame (16) through the transmission rod (15).

4. The push type pipe bending machine according to claim 3, further comprising an auxiliary conveying mechanism, wherein the auxiliary conveying mechanism comprises two sets of second supporting frames (17), a driving motor (18) and conveying rollers (19), the two sets of second supporting frames (17) are both fixedly installed at the right part of the machine base (1), the conveying rollers (19) are rotatably installed between the two sets of second supporting frames (17), the driving motor (18) is fixedly installed on the second supporting frames (17), and the output end of the driving motor (18) is in transmission connection with the conveying rollers (19).

5. The push type pipe bender according to claim 4, characterized in that two sets of guiding columns (20) are fixedly mounted on the V-shaped frame (9), and the guiding columns (20) are slidably arranged on the bending frame (6).