CN112077183A

CN112077183A - Vertical pipe bender

Info

Publication number: CN112077183A
Application number: CN202010709069.7A
Authority: CN
Inventors: 周安强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2020-12-15

Abstract

The invention discloses a vertical pipe bender, which comprises a base main body, wherein a middle main body is installed in the center of the top of the base main body, a lifting structure and a top main body are sequentially arranged on the inner side of the middle main body, a hollow pipe is arranged on the top main body, the middle main body comprises a connecting metal plate, a first bolt, a supporting block and a transmission rod are respectively arranged on the inner side of the connecting metal plate, the top main body comprises a roller, and a fixed clamping plate and a connecting rod are respectively arranged on two sides of the roller. The invention relates to a vertical pipe bender, which can effectively solve the use problem of the pipe bender.

Description

Vertical pipe bender

Technical Field

The invention relates to the field of pipe bending machines, in particular to a vertical pipe bending machine.

Background

Pipe bending machines can be broadly divided into numerical control pipe bending machines, hydraulic pipe bending machines, and the like, and the purpose of the pipe bending machines is as follows: the hydraulic pipe bender is mainly used for electric power construction, highway construction, boiler, bridge, boats and ships, furniture, pipeline laying and repairing in the aspect of decoration, the multifunctional pipe bender has the advantages of multiple functions, reasonable structure, simple operation, convenient movement, quick installation and the like, the hydraulic pipe bender can be used as a hydraulic jack besides the pipe bending function, has the characteristics of low price and convenient use relative to numerical control pipe bending equipment, occupies the dominant product position in the domestic pipe bender market, can be used for winding type bending of a bending radius (single mode) or two bending radii (double modes) on pipes in a cold state, and is widely used for bending various pipes and wires in the industries of automobiles, air conditioners and the like. The pipe bender is mainly used for plastic forming of pipes.

On the technical condition basis of current bending machine, still there are a lot of not enoughly on scope nature and the convenience of using, and most bending machine structure is complicated and equipment area is great, has reduced the utilization ratio of factory building, and ordinary bending machine utilizes the motor to the main power device of tubular product of small bore simultaneously, utilizes motor drive to cause unnecessary power loss, can't satisfy modern user demand, and is very inconvenient.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a vertical pipe bender.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention discloses a vertical pipe bender, which comprises a base main body, wherein a middle main body is installed in the center of the top of the base main body, a lifting structure and the top main body are sequentially arranged on the inner side of the middle main body, a hollow pipe is arranged on the top main body, the middle main body comprises a connecting plate, a first bolt, a supporting block and a transmission rod are respectively arranged on the inner side of the connecting plate, the top main body comprises a roller, a fixed clamp plate and a connecting rod are respectively arranged on two sides of the roller, a clamp groove is formed in the inner side of one end of the fixed clamp plate, a first gasket is arranged on the side of one end, close to the roller, of the connecting rod, a third bolt penetrates through the inner side of the connecting rod, and a fourth.

As a preferred technical scheme of the invention, the base main body comprises a longitudinal beam, the inner side of the longitudinal beam is sequentially provided with a cross beam, the longitudinal beam and the cross beam are welded and fixed, and the longitudinal beam and the cross beam are both aluminum alloy square tubes.

As a preferred technical scheme of the invention, the bottom of the connecting plate is sequentially provided with two fixing grooves which are linearly arranged, the fixing grooves are internally provided with mounting blocks in a penetrating manner and are welded and fixed with the mounting blocks, the inner side of the connecting plate is provided with a second bolt in a penetrating manner, the cross beam is fixedly connected with the mounting blocks through screws, the connecting plate is fixedly connected with the supporting blocks through the second bolt, and the circumference of the transmission rod is provided with a key groove.

As a preferable technical scheme of the invention, the lifting structure comprises a first cylinder body, a piston rod penetrates through the first cylinder body, the piston rod can move along the direction of the first cylinder body, a piston head is arranged at one end of the piston rod, the piston head is fixedly connected with a fourth bolt, an end cover is arranged at the bottom end of the first cylinder body, a connecting arm and a second cylinder body are sequentially arranged on the circumference of the end cover, a swing arm is arranged at one end of the second cylinder body, the swing arm can be externally connected with a pressure lever, a lifting lug is arranged at the bottom end of the end cover, and the first bolt and the lifting lug form a rotating pair.

As a preferred technical scheme of the invention, a wheel die groove is formed on the circumference of the roller, a first through hole and a second through hole are arranged in the roller in a penetrating manner, the outer diameter of the transmission rod is matched with the inner diameter of the first through hole, the outer diameter of the third bolt is matched with the inner diameter of the second through hole, third through holes are formed in two sides of the roller, internal threads are processed in the third through holes, and the roller is fixedly connected with the fixed clamping plate through screws at the third through holes.

As a preferable technical scheme of the invention, the longitudinal beam and the cross beam are welded and fixed, and the first bolt, the second bolt, the third bolt and the fourth bolt are the same in type and are all made of stainless steel.

Compared with the prior art, the invention has the following beneficial effects:

(1): the invention adopts the jack power device, and can generate larger driving force compared with a motor, thereby bending the large-caliber pipe and improving the production efficiency;

(2): the invention adopts the design of a vertical structure, thereby reducing the floor area of equipment and improving the utilization rate of a factory building;

(3): the invention adopts the wheel die groove, the die clamping groove and the supporting block which is easy to disassemble, thereby achieving the effect of conveniently replacing the die clamping or the die guiding;

(4): the invention has simple structure, is convenient to install and use and improves the production efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the overall structural change state of the present invention;

FIG. 3 is an exploded view of the overall structure of the present invention;

FIG. 4 is an exploded view of the mid-body construction of the present invention;

FIG. 5 is a schematic view of the structure of the middle body of the present invention;

FIG. 6 is an exploded view of the top body construction of the present invention;

FIG. 7 is a schematic top body construction of the present invention;

FIG. 8 is an enlarged view taken at A of FIG. 3 in accordance with the present invention;

in the figure: 1. a base body; 11. a stringer; 12. a beam; 2. a middle body; 21. connecting the metal plates; 22. fixing grooves; 23. mounting blocks; 24. a first latch; 25. a second bolt; 26. a support block; 27. a transmission rod; 28. a keyway; 3. a lifting structure; 31. a first cylinder; 32. a piston rod; 33. a piston head; 34. an end cap; 35. a connecting arm; 36. a second cylinder; 37. swinging arms; 38. lifting lugs; 4. a top body; 41. a roller; 411. a wheel die cavity; 412. a first through hole; 413. a second through hole; 414. a third through hole; 42. fixing the clamping plate; 43. clamping a mold cavity; 44. a connecting rod; 45. a first gasket; 46. a third bolt; 47. a fourth bolt; 48. a second gasket; 5. a hollow pipe.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example 1

As shown in fig. 1 to 8, the invention provides a vertical pipe bender, which comprises a base main body 1, wherein a middle main body 2 is installed at the top center of the base main body 1, a lifting structure 3 and a top main body 4 are sequentially arranged on the inner side of the middle main body 2, a hollow pipe 5 is arranged on the top main body 4, the middle main body 2 comprises a connecting plate 21, a first bolt 24, a supporting block 26 and a transmission rod 27 are respectively arranged on the inner side of the connecting plate 21, the top main body 4 comprises a roller 41, a fixed clamping plate 42 and a connecting rod 44 are respectively arranged on both sides of the roller 41, a clamping groove 43 is arranged on the inner side of one end of the fixed clamping plate 42, a first washer 45 is arranged on the side of one end of the connecting rod 44 close to the roller 41, a third bolt 46 penetrates through the inner side of the connecting rod.

Further, the base body 1 comprises a longitudinal beam 11, a cross beam 12 is sequentially arranged on the inner side of the longitudinal beam 11, the longitudinal beam 11 and the cross beam 12 are welded and fixed, and the longitudinal beam 11 and the cross beam 12 are both aluminum alloy square tubes.

The bottom of connecting panel beating 21 has set gradually fixed slot 22, and fixed slot 22 is two, and is the alignment, and the inside of fixed slot 22 runs through and is provided with installation piece 23, and fixed slot 22 and installation piece 23 welded fastening, and the inboard of connecting panel beating 21 runs through and is provided with second bolt 25, and crossbeam 12 passes through screw fixed connection with installation piece 23, connects panel beating 21 and supporting shoe 26 through second bolt 25 fixed connection, is provided with keyway 28 on the circumference of transfer line 27.

The lifting structure 3 comprises a first cylinder 31, a piston rod 32 penetrates through the first cylinder 31, the piston rod 32 can move along the first cylinder 31, a piston head 33 is arranged at one end of the piston rod 32, the piston head 33 is fixedly connected with a fourth bolt 47, an end cover 34 is arranged at the bottom end of the first cylinder 31, a connecting arm 35 and a second cylinder 36 are sequentially arranged on the circumference of the end cover 34, a swing arm 37 is arranged at one end of the second cylinder 36, the swing arm 37 can be externally connected with a compression bar, a lifting lug 38 is arranged at the bottom end of the end cover 34, the first bolt 24 and the lifting lug 38 form a rotating pair, the lifting structure 3 adopts a jack power device, and can generate a driving force larger than that of a motor, so that a large-caliber pipe can be bent, and the production efficiency is improved.

The circumference of the roller 41 is provided with a wheel mold slot 411, the inside of the roller 41 is provided with a first through hole 412 and a second through hole 413 in a penetrating manner, the outer diameter of the transmission rod 27 is matched with the inner diameter of the first through hole 412, the outer diameter of the third bolt 46 is matched with the inner diameter of the second through hole 413, the two sides of the roller 41 are provided with third through holes 414, the third through holes 414 are processed with internal threads, and the roller 41 is fixedly connected with the fixed clamping plate 42 through screws at the third through holes 414.

The first bolt 24, the second bolt 25, the third bolt 46 and the fourth bolt 47 are the same in type and made of stainless steel, and the structural stability of the pipe bender is guaranteed by the chemical property and the mechanical property of the stainless steel.

Specifically, each part of the pipe bender is fixed: the longitudinal beam 11 and the cross beam 12 are welded and fixed, the cross beam 12 and the mounting block 23 are fixedly connected through screws, the connecting plate 21 and the supporting block 26 are fixedly connected through a second bolt 25, the first bolt 24 and the lifting lug 38 form a rotating pair, the outer diameter of the transmission rod 27 is matched with the inner diameter of the first through hole 412, the transmission rod 27 transmits torque to the roller 41 through a flat key arranged at the key groove 28, the outer diameter of the third bolt 46 is matched with the inner diameter of the second through hole 413, the roller 41 is fixedly connected with the fixed clamping plate 42 through a screw at the third through hole 414, the thickness of the two first gaskets 45 and the roller 41 is matched with the gap formed by the two connecting metal plates 21, the first gaskets 45 are used for limiting the roller 41 to move along the axial direction of the transmission rod 27, the gap formed between the two second gaskets 48 is matched with the outer diameter of the piston head 33, and the second gaskets 48 are used for limiting the lifting structure 3 to move along the axial direction of the first bolt 24; the working process of the pipe bender is as follows: when the hollow pipe 5 is not used, the fixed clamping plate 42 is in contact with one side surface of the die clamping groove 43 and one side surface of the supporting block 26, the arc groove of the supporting block 26 and the arc groove of the die clamping groove 43 are positioned on the same horizontal plane, so that the hollow pipe 5 can be conveniently placed, in the using process, a person can press down the pressure lever externally connected with the swing arm 37 in a reciprocating mode, through the internal oil circuit of the first cylinder body 31, the end cover 34, the connecting arm 35 and the second cylinder body 36, the piston rod 32 extends out along the direction of the first cylinder body 31, the piston head 33 pushes the fourth bolt 47, the lifting structure 3 and the top main body 4 form a crank-like connecting rod mechanism, the hollow pipe 5 is positioned in the tubular cavity formed by the wheel die groove 411 and the die clamping groove 43, so that the top main body 4 rotates around the axis of the transmission rod 27 and bends the hollow pipe 5, after the bending process, the screw at the third, and will bend the hollow tube 5 after accomplishing and take off, unscrew the bolt of lifting structure 3 at last, through lifting structure 3's inside oil circuit circulation oil discharge, piston rod 32 will shorten along first cylinder body 31 direction, this bending machine resets, so relapse, lifting structure 3 has adopted jack power device, can produce and compare in the drive power that the motor is bigger to can bend the tubular product of heavy-calibre, improve production efficiency.

This bending machine can effectively solve the in service problem of bending machine, this bending machine has adopted jack power device, can produce and compare in the bigger drive power of motor, thereby can bend the tubular product of heavy-calibre, improve production efficiency, this bending machine has adopted the design of vertical structure, thereby can reduce the area of equipment, improve the utilization ratio of factory building, this bending machine has adopted wheel mould groove and clamp mould groove, and the supporting shoe of easily dismantling, thereby reach the effect of conveniently changing clamp mould or guide mould, the simple structure of this bending machine, be convenient for install and use, improve production efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vertical pipe bender comprises a base main body (1) and is characterized in that a middle main body (2) is installed in the center of the top of the base main body (1), a lifting structure (3) and a top main body (4) are sequentially arranged on the inner side of the middle main body (2), a hollow pipe (5) is arranged on the top main body (4), the middle main body (2) comprises a connecting sheet metal (21), a first plug pin (24), a supporting block (26) and a transmission rod (27) are respectively arranged on the inner side of the connecting sheet metal (21), the top main body (4) comprises a roller (41), fixed clamping plates (42) and connecting rods (44) are respectively arranged on two sides of the roller (41), a clamping groove (43) is formed in the inner side of one end of each fixed clamping plate (42), and a first gasket (45) is arranged on the side of one end, close to the roller (41), of each, the inner side of the connecting rod (44) is provided with a third bolt (46) in a penetrating mode, and the other end of the connecting rod (44) is provided with a fourth bolt (47) and a second gasket (48).

2. The vertical pipe bender according to claim 1, characterized in that the base main body (1) includes a longitudinal beam (11), a cross beam (12) is sequentially disposed on the inner side of the longitudinal beam (11), the longitudinal beam (11) and the cross beam (12) are welded and fixed, and the longitudinal beam (11) and the cross beam (12) are aluminum alloy square pipes.

3. The vertical pipe bender according to claim 2, characterized in that the bottom of the connecting plate (21) is sequentially provided with two fixing slots (22), the two fixing slots (22) are arranged in a straight line, the fixing slots (22) are internally provided with the mounting blocks (23) in a penetrating manner, the fixing slots (22) are welded and fixed with the mounting blocks (23), the inner side of the connecting plate (21) is provided with a second bolt (25) in a penetrating manner, the cross beam (12) is fixedly connected with the mounting blocks (23) through screws, the connecting plate (21) is fixedly connected with the supporting blocks (26) through the second bolt (25), and the circumference of the transmission rod (27) is provided with a key slot (28).

4. The vertical bender according to claim 1, characterized in that said lifting structure (3) comprises a first cylinder (31), a piston rod (32) penetrates through the first cylinder (31), the piston rod (32) can move along the direction of the first cylinder (31), one end of the piston rod (32) is provided with a piston head (33), the piston head (33) is fixedly connected with a fourth bolt (47), an end cover (34) is arranged at the bottom end of the first cylinder body (31), a connecting arm (35) and a second cylinder body (36) are sequentially arranged on the circumference of the end cover (34), one end of the second cylinder body (36) is provided with a swing arm (37), the swing arm (37) can be externally connected with a pressure rod, the bottom end of the end cover (34) is provided with a lifting lug (38), and the first bolt (24) and the lifting lug (38) form a rotating pair.

5. The vertical pipe bender according to claim 1, characterized in that a wheel mold groove (411) is arranged on the circumference of the roller (41), a first through hole (412) and a second through hole (413) are arranged inside the roller (41) in a penetrating manner, the outer diameter of the transmission rod (27) is matched with the inner diameter of the first through hole (412), the outer diameter of the third bolt (46) is matched with the inner diameter of the second through hole (413), third through holes (414) are arranged on both sides of the roller (41), internal threads are processed in the third through holes (414), and the roller (41) and the fixed clamping plate (42) are fixedly connected through screws at the third through holes (414).

6. The vertical pipe bender according to claim 3, characterized in that the first plug pin (24), the second plug pin (25), the third plug pin (46) and the fourth plug pin (47) are of the same type and are made of stainless steel.