CN210305205U

CN210305205U - Hydraulic pipe bender convenient to disassemble

Info

Publication number: CN210305205U
Application number: CN201920797448.9U
Authority: CN
Inventors: 邢李
Original assignee: Zhangjiagang Xinmingda Machinery Manufacturing Co ltd
Current assignee: Zhangjiagang Xinmingda Machinery Manufacturing Co ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-04-14
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a convenient hydraulic pressure bending machine who dismantles, include the workstation, fix on the workstation hydraulic cylinder, two receive pinch rollers and arc crimping head. The bottom end of the crimping connector is provided with a connecting column, first grooves are symmetrically formed in two sides of the connecting column, a clamping block capable of sliding along the connecting column is arranged in each first groove, and a first spring is arranged between each clamping block and each first groove. The output end of the hydraulic cylinder is fixedly provided with a connecting seat, a slot for inserting the connecting column is formed in the connecting seat, a second groove for inserting the clamping block is formed in the slot, a pushing device corresponding to the clamping block is arranged on the outer side of the connecting seat, the pushing device comprises a shell fixed on the connecting seat, a push rod capable of sliding along the shell is arranged in the shell, one end of the push rod extends outwards to the outer side of the shell, and the other end of the push rod can slide into the second groove to push the clamping block. The two pressed wheels are hinged on the workbench and symmetrically positioned on two sides of the pressing joint, and the two pressed wheels can be close to or far away from each other through the moving device. Can meet the requirements of bent pipes with different lengths and different radians.

Description

Hydraulic pipe bender convenient to disassemble

Technical Field

The utility model relates to a tubular product processing field, in particular to hydraulic pipe bending machine of convenient dismantlement.

Background

The pipe bender is a material processing and forming device for bending finished pipes, and is required to ensure that the bent and formed workpiece pipes are round and complete, sharp angles do not exist at the bending position, and the inner diameters of the workpiece pipes cannot be changed violently. Some semi-automatic hydraulic pipe benders of current, crimping head and hydraulic stem fixed connection, inconvenient replacement crimping head, and two pressure wheel are apart from fixed, can not be suitable for the tubular product of different length.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a hydraulic pipe bender with a convenient disassembly of a press joint and an adjustable distance between the press wheels.

In order to achieve the above purpose, the utility model discloses a technical scheme is: convenient hydraulic pipe bender of dismantling includes the workstation, fixes hydraulic cylinder, two pressurized rollers and crimping head on the workstation, has its characterized in that: a connecting column is arranged at the bottom end of the crimping head, first grooves are symmetrically formed in two sides of the connecting column, a clamping block capable of sliding along the connecting column is arranged in each first groove, a first spring is fixed on one side, close to each first groove, of each clamping block, and the other end of each first spring is fixedly connected with the bottom end of each first groove;

a connecting seat is fixed at the output end of the hydraulic cylinder, a slot for inserting a connecting column is formed in the connecting seat, a second groove for inserting a clamping block is formed in the slot, a pushing device corresponding to the clamping block is arranged on the outer side of the connecting seat, the pushing device comprises a shell fixed on the connecting seat, a push rod capable of sliding along the shell is arranged in the shell, one end of the push rod extends outwards to the outer side of the shell, and the other end of the push rod can slide into the second groove to push the clamping block;

the two pressed wheels can be close to or far away from each other through a moving device.

The beneficial effects of the utility model are that, the hydraulic stem output sets up the connecting seat, arc crimping head sets up the spliced pole supporting with the connecting seat, be provided with first recess on the spliced pole, the fixture block, a spring, be provided with the second recess that corresponds in the connecting seat, in the second recess is gone into to the fixture block card, accomplish the fixed connection of connecting seat and spliced pole, again through the thrust unit that the fixing base corresponds outward, promote the fixture block and remove, make things convenient for the separation of spliced pole and connecting seat, it is fixed with dismantle convenient and fast, be convenient for change arc crimping head, and two receive the pinch roller through the mobile device adjustable distance, adaptable not tubular product of same length.

Preferably, the pushing device further comprises a sliding block fixed outside the push rod, a sliding groove matched with the sliding block is formed in the inner wall of the shell, a plurality of second springs are fixedly mounted on one side of the sliding block, and the other ends of the second springs are fixed to one side, close to the fixing seat, of the shell. The push rod fixedly connected with the slide block is pushed by the elasticity of the second spring to be fixed in the shell.

Preferably, the mobile device comprises a fixed seat arranged on the base, a threaded hole is formed in the cavity of the fixed seat, a spiral rod is hinged to the inner wall of the threaded hole, a driving device for driving the spiral rod to rotate is arranged at one end of the spiral rod, a moving plate is fixedly connected to the other end of the spiral rod, and a pressed wheel is hinged to the moving plate. The driving device drives the screw rod to rotate so as to drive the compression wheel fixedly connected with the moving plate to move.

Preferably, a positioning rod is vertically arranged on the movable plate, the compression wheel is sleeved outside the positioning rod, one end of the positioning rod is fixedly connected with the movable plate, and the other end of the positioning rod is provided with a limiting block which is pressed outside the compression wheel shaft hole. The pressed wheel can rotate relative to the positioning rod.

Preferably, the driving device is an adjusting hand wheel or a rotating motor.

Preferably, the base is further provided with scale marks for indicating the moving distance of each moving device. The moving distance of the two moving devices is ensured to be constant, and the compression wheels are symmetrically arranged on two sides of the arc-shaped compression joint.

Preferably, the pressed wheel and the compression joint are both provided with the same concave arc-shaped groove. The pipe is convenient to clamp and fix.

Preferably, the pressure wheel and the hydraulic rod output shaft are at the same height. The quality of the bent pipe is ensured.

Drawings

FIG. 1 is a schematic top view of the present embodiment;

FIG. 2 is a schematic view of the structure of the present embodiment showing the fixed state of the arc-shaped crimping head and the fixing seat;

FIG. 3 is an enlarged view at A;

fig. 4 is a schematic side view of the present embodiment.

In the figure:

1-workbench, 2-hydraulic cylinder, 3-compression wheel, 4-compression joint, 5-connecting column, 51-first groove, 52-clamping block, 53-first spring, 6-connecting seat, 7-slot, 71-second groove, 72-pushing device, 721-shell, 722-push rod, 723-sliding block, 724-second spring, 8-moving device, 81-fixing seat, 82-spiral rod, 83-driving device, 84-moving plate, 85-positioning rod, 851-limiting block and 9-graduation line.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1-4, the hydraulic pipe bender convenient to disassemble in this embodiment includes a worktable 1, a hydraulic cylinder 2 fixed on the worktable 1, two compression wheels 3, and a press joint 4.

The crimping head 4 is arc-shaped, the bottom end is provided with a connecting column 5, the connecting column 5 is welded and fixed with the crimping head 4, first grooves 51 are symmetrically arranged on two sides of the connecting column 5, a fixture block 52 capable of sliding along the first grooves 51 is arranged in the first grooves 51, a first spring 53 is arranged between the fixture block 52 and the bottom of the first grooves 51, one end of the first spring 53 is fixed at the bottom of the fixture block 52, and the other end of the first spring is fixedly connected with the bottom end of the first grooves 51. The output end of the hydraulic cylinder 2 is fixed with a connecting seat 6, and the connecting seat 6 is provided with a slot 7 for the connecting column 5 to insert. The slot 7 is provided with a second groove 71 for inserting the latch 52, the outer side of the connecting base 6 is provided with a pushing device 72 corresponding to the latch 52, the pushing device 72 includes a housing 721 fixed on the connecting base 6, the housing 721 is provided with a push rod 722 capable of sliding along the housing, one end of the push rod 722 extends outward to the outer side of the housing 721, and the other end thereof can slide into the second groove 71 to push the latch 52 to retract. The pushing device 72 further includes a sliding block 723 fixed outside the pushing rod 722, a sliding groove adapted to the sliding block 723 is formed on the inner wall of the casing 721, a second spring 724 is fixedly installed on one side of the sliding block 723 close to the connecting seat 6, and the other end of the second spring 724 is fixed on one side of the casing 721 close to the connecting seat 6.

The pressed wheels 3 are hinged on the workbench 1 and symmetrically positioned at two sides of the pressing joint 4, and the two pressed wheels 3 can be close to or far away from each other through the moving device 8. The moving device 8 comprises a fixed seat 81 arranged on the workbench 1, a threaded hole is formed in the cavity of the fixed seat 81, and a screw rod 82 is hinged to the inner wall of the threaded hole. One end of the spiral rod 82 is provided with a driving device 83 for driving the spiral rod to rotate, the other end of the spiral rod is fixedly connected with a moving plate 84, and the moving plate 84 is hinged with the pressed wheel 3. The drive device 83 is an adjusting hand wheel or a rotating motor. The moving plate 84 is vertically provided with a positioning rod 85, the compression wheel 3 is sleeved outside the positioning rod 85, one end of the positioning rod 85 is fixedly connected with the moving plate 84, and the other end of the positioning rod is provided with a limiting block 851 which is pressed outside the shaft hole of the compression wheel 3. The worktable 1 is further provided with scale marks 9 indicating the moving distance of each moving means 8.

The same arc-shaped concave grooves which are concave inwards are arranged on the pressed wheel 3 and the press-connection head 4, and the pressed wheel 3 and the press-connection head 4 are at the same height.

When needing to carry out tubular product and bending, earlier according to tubular product length, adjust the distance between two pressurized wheels 3 through mobile device 8, according to the angle requirement of bending again, select suitable crimping head 4 joint on connecting seat 6 of 2 output shafts of pneumatic cylinder, place tubular product between crimping head 4 and pressurized wheel 3, support and lean on pressurized wheel 3, then start hydraulic cylinder 2. The output shaft of the hydraulic cylinder 2 drives the compression joint 4 to move linearly towards the compression wheel 3, and when the compression wheel 3 and the arc-shaped groove on the compression joint 4 grip the pipe, the hand can be released. Then the output shaft of the hydraulic cylinder 2 continues to move forwards, the pipe takes the press joint 4 as a fulcrum, the middle part of the pipe forms a bend, and the bending radian is consistent with that of the press joint 4. When the bending needs to be performed to different radians, the pressing head 4 can be pulled out only by pushing the latch 52 to retract through the push rod 722 of the pushing device 72.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. Convenient hydraulic pipe bender of dismantling includes workstation (1), fixes hydraulic cylinder (2), two pressurized rollers (3) and crimping head (4) on workstation (1), has its characterized in that: a connecting column (5) is arranged at the bottom end of the crimping head (4), first grooves (51) are symmetrically formed in two sides of the connecting column (5), a clamping block (52) capable of sliding along the first groove (51) is arranged in the first groove (51), a first spring (53) is fixed on one side, close to the first groove (51), of the clamping block (52), and the other end of the first spring (53) is fixedly connected with the bottom end of the first groove (51);

a connecting seat (6) is fixed at the output end of the hydraulic cylinder (2), a slot (7) for inserting the connecting column (5) is formed in the connecting seat (6), a second groove (71) for inserting the clamping block (52) is formed in the slot (7), a pushing device (72) corresponding to the clamping block (52) is arranged on the outer side of the connecting seat (6), the pushing device (72) comprises a shell (721) fixed on the connecting seat (6), a push rod (722) capable of sliding along the shell is arranged in the shell (721), one end of the push rod (722) extends outwards to the outer side of the shell (721), and the other end of the push rod (722) can slide into the second groove (71) to push the clamping block (52);

the compression wheels (3) are hinged to the workbench (1) and symmetrically located on two sides of the compression joint (4), and the two compression wheels (3) can be close to or far away from each other through the moving device (8).

2. The hydraulic bender convenient to disassemble according to claim 1, wherein: the pushing device (72) further comprises a sliding block (723) fixed outside the pushing rod (722), a sliding groove matched with the sliding block (723) is formed in the inner wall of the shell (721), a second spring (724) is fixedly mounted on one side of the sliding block (723), and the other end of the second spring (724) is fixed on one surface, close to the connecting seat (6), of the shell (721).

3. The hydraulic bender convenient to disassemble according to claim 1, wherein: the movable device (8) comprises a fixed seat (81) arranged on the workbench (1), a threaded hole is formed in the cavity of the fixed seat (81), a spiral rod (82) is hinged to the inner wall of the threaded hole, one end of the spiral rod (82) is provided with a driving device (83) for driving the spiral rod to rotate, the other end of the spiral rod is fixedly connected with a movable plate (84), and a pressed wheel (3) is hinged to the movable plate (84).

4. The hydraulic bender convenient to disassemble according to claim 3, wherein: the movable plate (84) is vertically provided with a positioning rod (85), the pressed wheel (3) is sleeved outside the positioning rod (85), one end of the positioning rod (85) is fixedly connected with the movable plate (84), and the other end of the positioning rod is provided with a limiting block (851) which is pressed outside the shaft hole of the pressed wheel (3).

5. The hydraulic bender convenient to disassemble according to claim 3, wherein: the driving device (83) is an adjusting hand wheel or a rotating motor.

6. The hydraulic bender convenient to disassemble according to claim 1, wherein: and the workbench (1) is also provided with scale marks (9) for indicating the moving distance of each moving device (8).

7. The hydraulic bender convenient to disassemble according to claim 1, wherein: the pressed wheel (3) and the press-connection head (4) are both provided with the same arc-shaped concave grooves which are concave inwards.

8. The hydraulic bender convenient to disassemble according to claim 1, wherein: the pressure receiving wheel (3) and the pressure joint (4) are at the same height.