CN219561011U

CN219561011U - Pipe bending machine

Info

Publication number: CN219561011U
Application number: CN202320023973.1U
Authority: CN
Inventors: 刘健; 高国飞
Original assignee: Yanshan Yahui Pipe Industry Co ltd
Current assignee: Yanshan Yahui Pipe Industry Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-08-22
Anticipated expiration: 2033-01-05

Abstract

The utility model relates to the technical field of pipe bending equipment, in particular to a pipe bending machine; the structure layout is reasonable, the blanking convenience of the formed elbow is further improved, and the bending processing efficiency of the straight pipe is improved; the device comprises a mounting plate, a semicircular die, two hinged connecting pieces, a turnover driving assembly and a pushing driving assembly, wherein the semicircular die is hinged with the mounting plate through the two hinged connecting pieces, an elbow die groove is formed in the semicircular die, the turnover driving assembly comprises a first driving cylinder, a transmission rod and a first supporting seat, the first supporting seat is fixedly arranged on the mounting plate, the middle part of the transmission rod is rotatably arranged on the first supporting seat, one end of the transmission rod is hinged with the semicircular die, one end of the first driving cylinder is hinged with the mounting plate, and the other end of the first driving cylinder is hinged with the other end of the transmission rod; the pushing driving assembly comprises two second driving cylinders, the two second driving cylinders are fixedly arranged on the mounting plate, and the output ends of the two second driving cylinders are correspondingly arranged at the two openings of the elbow die groove.

Description

Pipe bending machine

Technical Field

The utility model relates to the technical field of pipe bending equipment, in particular to a pipe bending machine.

Background

As is well known, a pipe bender is a device for bending a straight pipe section into an elbow; publication number CN215032571U discloses an elbow pipe bender; the device has the advantages of small volume, simple structure, convenient and reliable use, and is convenient for operators to feed the straight pipe section and to feed the formed elbow; the automatic bending machine comprises a frame, a first electric cylinder, a hinge bracket, a bending die and a feeding groove, wherein the bottom of the first electric cylinder is hinged with the bottom of the frame, the hinge bracket is rotatably arranged at the right part of the top end of the frame, the bending die is fixedly arranged on the hinge bracket, the output end of the first electric cylinder is hinged with the right part of the bottom end of the hinge bracket, the feeding groove is fixedly arranged on the frame, and a limiting sleeve is arranged on the bending die; in use, the blanking convenience of the formed elbow needs to be improved further, and the bending processing continuity and the processing efficiency of the straight pipe section are difficult to meet the production requirement.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the pipe bending machine which has reasonable structural layout, further improves the blanking convenience of the formed elbow and improves the bending processing efficiency of the straight pipe.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the device comprises a mounting plate, a semicircular die, two hinged connecting pieces, a turnover driving assembly and a pushing driving assembly, wherein the semicircular die is hinged with the mounting plate through the two hinged connecting pieces, an elbow die groove is formed in the semicircular die, the turnover driving assembly comprises a first driving cylinder, a transmission rod and a first supporting seat, the first supporting seat is fixedly arranged on the mounting plate, the middle part of the transmission rod is rotatably arranged on the first supporting seat, one end of the transmission rod is hinged with the semicircular die, one end of the first driving cylinder is hinged with the mounting plate, and the other end of the first driving cylinder is hinged with the other end of the transmission rod; the pushing driving assembly comprises two second driving cylinders, the two second driving cylinders are fixedly arranged on the mounting plate, and the output ends of the two second driving cylinders are correspondingly arranged at the two openings of the elbow die cavity.

Preferably, the hinge connection piece comprises a second supporting seat and a hinge piece, one end of the hinge piece is hinged with the semicircular die, and the other end of the hinge piece is hinged with the second supporting seat.

Preferably, the device further comprises a V-shaped feeding frame, wherein the V-shaped feeding frame is fixedly arranged on the mounting plate, two limiting plates which are correspondingly arranged with the opening at the elbow die cavity are arranged on the mounting plate, and a placing space which is matched with the outer diameter of the straight pipe section to be processed is reserved between the two limiting plates and the V-shaped feeding frame.

Preferably, a third driving cylinder is fixedly arranged on the semicircular die, and the output end of the third driving cylinder extends into the elbow die groove.

Preferably, the die further comprises two fourth driving cylinders symmetrically arranged on the mounting plate, and the output ends of the fourth driving cylinders are tightly contacted with the top of the semicircular die.

Preferably, the automatic feeding device further comprises a workbench and a fifth driving cylinder, wherein the mounting plate is hinged with the workbench far away from the center of the mounting plate, the fixed end of the fifth driving cylinder is hinged on the workbench, and the output end of the fifth driving cylinder is hinged with the other side of the mounting plate.

Preferably, the bottom of the workbench is rotatably provided with a roller.

(III) beneficial effects

Compared with the prior art, the utility model provides the pipe bending machine, which has the following beneficial effects: this bending machine, push the straight tube section to the elbow die cavity of semicircular mould through the second actuating cylinder, under the effect of elbow die cavity, the straight tube section is buckled and is the elbow form, single can carry out the bending process to two straight tube sections, after the elbow bending forming, the output of first actuating cylinder shortens, after the transmission of transfer line, semicircular mould rotates around the mounting panel, semicircular mould breaks away from with the mounting panel, the elbow in the elbow die cavity falls under the effect of gravity, realize the unloading by oneself of elbow, structural layout is reasonable, can further improve shaping elbow unloading convenience, improve straight tube bending efficiency.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the front view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure of FIG. 2 at A-A in accordance with the present utility model;

the reference numerals in the drawings: 1. a mounting plate; 2. a semicircular mold; 3. elbow die grooves; 4. a first drive cylinder; 5. a transmission rod; 6. a first support base; 7. a second driving cylinder; 8. a second support base; 9. a hinge; 10. v-shaped feeding frames; 11. a limiting plate; 12. a third driving cylinder; 13. a fourth driving cylinder; 14. a work table; 15. a fifth driving cylinder; 16. and a roller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the pipe bending machine of the utility model comprises a mounting plate 1, a semicircular mold 2, two hinged connecting pieces, a turnover driving assembly and a pushing driving assembly, wherein the semicircular mold 2 is hinged with the mounting plate 1 through the two hinged connecting pieces, an elbow mold groove 3 is arranged in the semicircular mold 2, the turnover driving assembly comprises a first driving cylinder 4, a transmission rod 5 and a first supporting seat 6, the first supporting seat 6 is fixedly arranged on the mounting plate 1, the middle part of the transmission rod 5 is rotatably arranged on the first supporting seat 6, one end of the transmission rod 5 is hinged with the semicircular mold 2, one end of the first driving cylinder 4 is hinged with the mounting plate 1, and the other end of the first driving cylinder 4 is hinged with the other end of the transmission rod 5; the pushing driving assembly comprises two second driving cylinders 7, the two second driving cylinders 7 are fixedly arranged on the mounting plate 1, and the output ends of the two second driving cylinders 7 are correspondingly arranged at two openings of the elbow die cavity 3; further, an annular push plate larger than the inner diameter of the straight pipe section is arranged at the output end of the second driving cylinder 7; the elbow die groove 3 comprises a semicircular bending part and a straight pipe part, and the straight pipe is pushed into the straight pipe part through an annular push plate on the second driving cylinder 7 until the straight pipe completely enters the semicircular bending part, so that the straight pipe is bent into an elbow.

Specifically, the hinged connecting piece comprises a second supporting seat 8 and a hinged piece 9, one end of the hinged piece 9 is hinged with the semicircular die 2, and the other end of the hinged piece 9 is hinged with the second supporting seat 8; under the action of the hinging piece 9, the semicircular mould 2 can rotate around the mounting plate 1, so that the semicircular mould 2 is far away from the hinging position of the semicircular mould 1 and is tilted, and the formed elbow in the elbow die cavity 3 can be conveniently discharged.

The device comprises a mounting plate 1, a bent die cavity 3 and a V-shaped feeding frame 10, wherein the V-shaped feeding frame 10 is fixedly arranged on the mounting plate 1, two limiting plates 11 which are correspondingly arranged with the opening of the bent die cavity 3 are arranged on the mounting plate 1, and a placing space which is matched with the outer diameter of a straight pipe section to be processed is reserved between the two limiting plates 11 and the V-shaped feeding frame 10; the straight pipe section is arranged at the position of the V-shaped feeding frame 10, and automatically rolls down to the position of the limit baffle under the action of gravity, so that the opening directions of the straight pipe section and the position of the elbow die cavity 3 correspond to each other, and the straight pipe section is ensured to smoothly enter the elbow die cavity 3.

Specifically, a third driving cylinder 12 is fixedly arranged on the semicircular die 2, and the output end of the third driving cylinder 12 extends into the elbow die groove 3; when the formed inner elbow is fed, the output end of the third driving cylinder 12 extends into the elbow die cavity 3, the formed elbow in the elbow die cavity 3 is ejected out under the action of the third driving cylinder 12, and when the formed elbow is clamped in the elbow die cavity 3, the self-feeding of the formed elbow can be realized without manual intervention.

Specifically, the device also comprises two fourth driving cylinders 13 symmetrically arranged on the mounting plate 1, and the output ends of the fourth driving cylinders 13 are tightly contacted with the top of the semicircular mould 2; in the straight pipe bending process, the output end of the fourth driving cylinder 13 stretches and is in close contact with the semicircular die 2, the semicircular die 2 is pressed and covered on the mounting plate 1 by the fourth driving cylinder 13, displacement of the semicircular die 2 in the straight pipe bending process is avoided, and bending precision of the elbow is guaranteed.

Specifically, the device also comprises a workbench 14 and a fifth driving cylinder 15, wherein the mounting plate 1 is hinged with the workbench 14 at the position far away from the center of the mounting plate 1, the fixed end of the fifth driving cylinder 15 is hinged on the workbench 14, and the output end of the fifth driving cylinder 15 is hinged with the other side of the mounting plate 1; the workbench 14 can provide proper operation height for operators, after the formed elbow falls to the mounting plate 1, the output end of the fifth driving cylinder 15 extends, the mounting plate 1 rotates around the hinge, the mounting plate 1 is in a left-low right-high inclined state, and the formed elbow automatically discharges under the action of gravity; simultaneously, under the gravity operation, the straight pipe section can automatically slide into the opening of the elbow die cavity 3.

Specifically, the bottom of the workbench 14 is rotatably provided with a roller 16; the roller 16 facilitates the movement of the whole device.

When the novel plastic bending die is used, a straight pipe section is placed at a V-shaped placing frame for material waiting, at the moment, the output end of the fourth driving cylinder 13 is in tight contact with the top of the semicircular die 2, the straight pipe section of the position, close to the limiting plate 11, of the second driving cylinder 7 is pushed into the elbow die cavity 3, the straight pipe is bent to form an elbow, the output end of the fourth driving cylinder 13 is reset, the output end of the second driving cylinder 7 is shortened, after being transmitted by the driving rod 5, the semicircular die 2 rotates around the hinging position with the mounting plate 1 until the left side of the semicircular die 2 is lifted, the output end of the third driving cylinder 12 stretches into the elbow die cavity 3, a formed elbow is ejected out from the elbow die cavity 3, then the output end of the fifth driving cylinder 15 stretches, the mounting plate 1 is in a left-low-right high-inclination shape, and the formed elbow is automatically fed from the mounting plate 1 under the action of gravity.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that in this document, relational terms such as "first" and "second" and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The pipe bending machine is characterized by comprising a mounting plate (1), a semicircular mold (2), two hinged connecting pieces, a turnover driving assembly and a pushing driving assembly, wherein the semicircular mold (2) is hinged with the mounting plate (1) through the two hinged connecting pieces, and an elbow mold groove (3) is formed in the semicircular mold (2);

the overturning driving assembly comprises a first driving cylinder (4), a transmission rod (5) and a first supporting seat (6), wherein the first supporting seat (6) is fixedly arranged on the mounting plate (1), the middle part of the transmission rod (5) is rotatably arranged on the first supporting seat (6), one end of the transmission rod (5) is hinged with the semicircular mold (2), one end of the first driving cylinder (4) is hinged with the mounting plate (1), and the other end of the first driving cylinder (4) is hinged with the other end of the transmission rod (5);

the pushing driving assembly comprises two second driving cylinders (7), the two second driving cylinders (7) are fixedly arranged on the mounting plate (1), and output ends of the two second driving cylinders (7) are correspondingly arranged at two openings of the elbow die cavity (3).

2. The pipe bending machine according to claim 1, wherein the articulated connection comprises a second support seat (8) and an articulation (9), one end of the articulation (9) being articulated with the semicircular mould (2), the other end of the articulation (9) being articulated with the second support seat (8).

3. The pipe bending machine according to claim 2, further comprising a V-shaped feeding frame (10), wherein the V-shaped feeding frame (10) is fixedly installed on the installation plate (1), two limiting plates (11) which are correspondingly arranged with openings at the elbow die grooves (3) are arranged on the installation plate (1), and a placing space which is matched with the outer diameter of the straight pipe section to be processed is reserved between the two limiting plates (11) and the V-shaped feeding frame (10).

4. A pipe bending machine according to claim 3, wherein a third driving cylinder (12) is fixedly arranged on the semicircular mould (2), and the output end of the third driving cylinder (12) extends into the elbow mould groove (3).

5. The pipe bending machine according to claim 4, further comprising two fourth driving cylinders (13) symmetrically mounted on the mounting plate (1), the output ends of the fourth driving cylinders (13) being in close contact with the top of the semicircular mould (2).

6. The pipe bending machine according to claim 5, further comprising a workbench (14) and a fifth driving cylinder (15), wherein the mounting plate (1) is hinged to the workbench (14) far away from the center of the mounting plate (1), the fixed end of the fifth driving cylinder (15) is hinged to the workbench (14), and the output end of the fifth driving cylinder (15) is hinged to the other side of the mounting plate (1).

7. The pipe bending machine of claim 6, wherein rollers (16) are rotatably mounted to the bottom of the table (14).