CN211386433U

CN211386433U - Adjustable cold bending machine for welded pipe processing

Info

Publication number: CN211386433U
Application number: CN201922254759.3U
Authority: CN
Inventors: 王庆才
Original assignee: Yangzhou Shengye Machinery Manufacturing Co ltd
Current assignee: Yangzhou Shengye Machinery Manufacturing Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-09-01
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a cold-bending machine with adjustable welded tube processing is used, comprises an operation bench, the left and right sides of operation panel all sets up the mobile device, a mounting hole and two mounting grooves have been seted up to the upper surface of operation panel, the inside wall of mounting hole rotates and is connected with a plurality of guide rolls, two fixed plates of the last fixed surface of operation panel are connected with, one of them the lateral wall of fixed plate rotates and is connected with two-way threaded rod, the other end of two-way threaded rod runs through the lateral wall and the fixedly connected with handle of another fixed plate. In this way, the utility model discloses the rotation handle drives the two-way threaded rod and rotates and then change the distance between two nuts to make the distance between two squeeze rolls change, be convenient for process the welded tube of different models, can process the customization welded tube that welded tube bending angle required difference or diameter is different, the effectual machining efficiency who improves the customization welded tube.

Description

Adjustable cold bending machine for welded pipe processing

Technical Field

The utility model relates to a forming mill technical field especially relates to a forming mill with adjustable welded tube processing is used.

Background

The welded pipe is also called welded steel pipe, and refers to a steel pipe made by welding a steel plate or strip steel after being curled and formed, the welded pipe has simple production process, small equipment investment and various specifications, wherein a cold bending machine gradually becomes one of important mechanical equipment commonly used in the welded pipe processing process due to the advantages of simple operation, high processing efficiency and the like.

The existing cold bending machine mainly utilizes a hydraulic rod to drive an extrusion roller to move in the machining process, and a roller is matched to machine a welded pipe, most pipe bending machines in the current market can only machine the welded pipe of an appointed model, when a client customizes the welded pipes of different models, the pipe bending machines can not adapt to the welded pipe sometimes, therefore, a press bed with more complex operation is needed to complete the machining of the welded pipe, the machining efficiency of the customized welded pipe is greatly reduced, and therefore the adjustable cold bending machine for machining the welded pipe is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the pipe bender can only carry out processing mostly to the welded pipe of a model among the prior art, and the pipe welding processing with adjustable cold bending machine who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an adjustable cold bending machine for processing welded pipes comprises an operating platform, wherein moving devices are arranged on the left side and the right side of the operating platform, a mounting hole and two mounting grooves are formed in the upper surface of the operating platform, the inner side wall of the mounting hole is rotatably connected with a plurality of guide rollers, the upper surface of the operating platform is fixedly connected with two fixing plates, the outer side wall of one fixing plate is rotatably connected with a bidirectional threaded rod, the other end of the bidirectional threaded rod penetrates through the outer side wall of the other fixing plate and is fixedly connected with a handle, two nuts are sleeved on the outer side wall threads of the bidirectional threaded rod, an extrusion device is fixedly connected to the tops of the nuts, the bottoms of the two nuts are respectively in sliding connection with the inner side walls of the two mounting grooves, a first rectangular frame is fixedly connected to the top of the operating platform, and a rotating rod is rotatably, the bottom of bull stick runs through the operation panel and downwardly extending, the below of operation panel is provided with the drive arrangement with bull stick looks adaptation, the lateral wall of bull stick just is located the inside fixed cover of first profile frame and has connect the cylinder.

Preferably, the mobile device includes the movable plate, the activity groove that runs through the setting about the lateral wall of movable plate is seted up, two activity chambeies have been seted up to the inside of movable plate, two the activity chamber sets up about the activity groove symmetry, the activity inslot portion is provided with two fly leafs that are the symmetry setting, the lateral wall fixedly connected with connecting rod of fly leaf, two the one end that the fly leaf was kept away from to the connecting rod extends to the inside and the fixedly connected with rubber slab in two activity chambeies respectively, the lateral wall of rubber slab contacts with the inside wall in activity chamber.

Preferably, a traveling mechanism is arranged at the bottom of the moving plate, and the traveling mechanism is a plurality of locking universal wheels which are linearly arranged.

Preferably, the extrusion device includes the connecting block of being connected with nut upper surface fixed, the top fixedly connected with of connecting block is the locating plate of U type setting, the inside wall fixedly connected with hydraulic stem of locating plate, the piston end fixedly connected with second of hydraulic stem returns the shape frame, the inside wall of second time shape frame rotates and is connected with the squeeze roll.

Preferably, the lower fixed surface of nut is connected with the slider that is the T type setting, the spout with slider looks adaptation is seted up to the inside wall of mounting groove.

Preferably, drive arrangement include with operation panel lateral wall fixed connection's diaphragm, the bottom fixedly connected with motor of diaphragm, the output fixedly connected with pivot of motor, the top of pivot is run through the diaphragm and is rotated with the lateral wall of operation panel and be connected, the pivot is passed through the belt and is connected with the bull stick transmission.

Preferably, the outer side walls of the rotating rod and the rotating shaft are fixedly connected with belt pulleys matched with the belt.

Preferably, the middle position of the bidirectional threaded rod is rotatably sleeved with a connecting ring, the upper surface of the connecting ring is fixedly connected with an L-shaped rod, the outer side wall of the L-shaped rod is provided with a threaded hole, the inner side wall of the threaded hole is in threaded connection with a screw rod, the top of the screw rod is fixedly connected with a handle, and the bottom of the screw rod is fixedly connected with a contact plate with the bottom in an arc shape.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model has the following beneficial effect:

(1) through the mutually supporting between fixed plate, two-way threaded rod, nut, locating plate and the handle, rotate the handle and drive two-way threaded rod and rotate and then change the distance between two nuts to make the distance between two squeeze rolls change, be convenient for process the welded tube of different models, can process the customization welded tube that welded tube bending angle required difference or diameter is different, the effectual machining efficiency who improves the customization welded tube.

(2) The moving device can support the welded pipe in processing, and meanwhile, the welded pipe moves in the processing process in a matching manner, so that the welded pipe does not need to be manually and continuously held, and manpower is saved; the L-shaped rod, the screw and the contact plate are arranged, so that the welded pipe in processing can be limited, and the welded pipe in processing can be prevented from deflecting.

Drawings

Fig. 1 is a schematic structural view of an adjustable cold bending machine for processing welded pipes according to the present invention.

Fig. 2 is a side view of the adjustable cold bending machine for processing welded pipes provided by the present invention.

FIG. 3 is a schematic view of a connection structure between a contact plate and a screw in an adjustable cold bending machine for processing welded pipes according to the present invention;

fig. 4 is the utility model provides a connection structure sketch map of slider and spout in cold bending machine with adjustable welded tube processing is used.

Description of reference numerals: the device comprises an operation table 1, a mounting hole 2, a mounting groove 3, a guide roller 4, a fixing plate 5, a bidirectional threaded rod 6, a handle 7, a nut 8, a first box 9, a rotating rod 10, a belt pulley 11, a roller 12, a moving plate 13, a moving groove 14, a moving cavity 15, a moving plate 16, a connecting rod 17, a rubber plate 18, a locking universal wheel 19, a connecting block 20, a positioning plate 21, a hydraulic rod 22, a second box 23, a squeezing roller 24, a sliding block 25, a sliding groove 26, a transverse plate 27, a motor 28, a rotating shaft 29, a belt 30, a contact plate 31, a connecting ring 32, a rod 33L, a screw 34 and a handle 35.

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 the attached drawings, the adjustable cold bending machine for processing the welded pipe comprises an operating platform 1, wherein moving devices are arranged on the left side and the right side of the operating platform 1. The moving device comprises a moving plate 13, and a moving groove 14 which penetrates through the moving plate 13 from left to right is formed in the outer side wall of the moving plate. Two movable cavities 15 are formed in the movable plate 13, the two movable cavities 15 are symmetrically arranged about the movable groove 14, and two movable plates 16 are symmetrically arranged in the movable groove 14. The outer side wall of the movable plate 16 is fixedly connected with connecting rods 17, one ends of the two connecting rods 17 far away from the movable plate 16 respectively extend to the insides of the two movable cavities 15 and are fixedly connected with rubber plates 18, and the outer side wall of each rubber plate 18 is in contact with the inner side wall of each movable cavity 15. The bottom of the movable plate 13 is provided with a travelling mechanism which is a plurality of locking universal wheels 19 arranged in a straight line;

it should be noted that: the locking universal wheel 19 is prior art and will not be described in detail herein. The movable plate 16 is arranged in an arc shape, when the welded pipe is placed in the movable groove 14, the movable plate 16 supports the welded pipe tightly, meanwhile, the connecting rod 17 drives the rubber plate 18 to extrude air in the movable cavity 15, a buffer effect is provided for the welded pipe, the welded pipe is prevented from colliding with the inner side wall of the movable groove 14, and meanwhile, the welded pipe with different diameters can be placed conveniently.

Wherein, a mounting hole 2 and two mounting grooves 3 have been seted up to the upper surface of operation panel 1, and the inside wall of mounting hole 2 rotates and is connected with a plurality of guide rolls 4. The upper surface of the operating table 1 is fixedly connected with two fixing plates 5, the outer side wall of one fixing plate 5 is rotatably connected with a bidirectional threaded rod 6, and the other end of the bidirectional threaded rod 6 penetrates through the outer side wall of the other fixing plate 5 and is fixedly connected with a handle 7. Two nuts 8 are sleeved on the outer side wall of the bidirectional threaded rod 6 in a threaded manner, and the top of each nut 8 is fixedly connected with an extrusion device.

The pressing device comprises a connecting block 20 fixedly connected with the upper surface of the nut 8. The top fixedly connected with of connecting block 20 is the locating plate 21 that the U type set up, and the inside wall fixedly connected with hydraulic stem 22 of locating plate 21, the piston end fixedly connected with second time shape frame 23 of hydraulic stem 22, and the inside wall of second time shape frame 23 rotates and is connected with squeeze roll 24.

The bottoms of the two nuts 8 are respectively connected with the inner side walls of the two mounting grooves 3 in a sliding manner, the lower surfaces of the nuts 8 are fixedly connected with T-shaped sliding blocks 25, and the inner side walls of the mounting grooves 3 are provided with sliding grooves 26 matched with the sliding blocks 25; specifically, the T-shaped sliding block 25 facilitates the movement of the nut 8, and simultaneously plays a role in limiting the nut 8, so that the nut 8 is prevented from rotating along with the bidirectional threaded rod 6.

The top of the operation platform 1 is fixedly connected with a first box frame 9, the inner side wall of the first box frame 9 is rotatably connected with a rotating rod 10, and the bottom of the rotating rod 10 penetrates through the operation platform 1 and extends downwards. A driving device matched with the rotating rod 10 is arranged below the operating platform 1, and the driving device comprises a transverse plate 27 fixedly connected with the outer side wall of the operating platform 1. The bottom fixedly connected with motor 28 of diaphragm 27, the output fixedly connected with pivot 29 of motor 28, the top of pivot 29 runs through diaphragm 27 and rotates with the lateral wall of operation panel 1 to be connected, pivot 29 passes through belt 30 and is connected with the transmission of bull stick 10, the equal fixedly connected with of lateral wall of bull stick 10 and pivot 29 and the belt pulley 11 of belt 30 looks adaptation, the cylinder 12 has been cup jointed to the lateral wall of bull stick 10 and the inside that is located first return frame 9. The motor 28 and the electrical connection relationship thereof are both in the prior art, and the motor 28 is a servo motor in the prior art, which is not described herein.

The connecting ring 32 is sleeved at the middle position of the bidirectional threaded rod 6 in a rotating mode, the upper surface of the connecting ring 32 is fixedly connected with an L-shaped rod 33, a threaded hole is formed in the outer side wall of the L-shaped rod 33, a screw rod 34 is connected to the inner side wall of the threaded hole in a threaded mode, and a handle 35 is fixedly connected to the top of the screw rod 34. The bottom of the screw 34 is fixedly connected with a contact plate 31 with an arc-shaped bottom, and specifically, the arc-shaped bottom of the contact plate 31 is matched with the welded pipe. When the welded pipe is machined, the lower surface of the contact plate 31 is in contact with the upper surface of the welded pipe, the contact plate 31 is used for limiting the welded pipe in machining, and the welded pipe is prevented from deflecting to influence the quality of the welded pipe machining.

In the actual use process, the welded pipe to be bent is placed on the guide roller 4, the hydraulic rod 22 is started, and the hydraulic rod 22 drives the second square-shaped frame 23 to move so that the squeezing roller 24 is in contact with the welded pipe to be bent. When the two squeezing rollers 24 contact with the welded pipe to be bent, acting force is applied to the welded pipe, so that the welded pipe starts to be pre-bent by taking the roller 12 as the center, and after the pre-bending is successful, the hydraulic rod 22 is closed, so that the two squeezing rollers 24 keep contacting with the welded pipe and continuously apply acting force to the welded pipe. The motor 28 is activated, and the motor 28 rotates the shaft 29 and the rotary rod 10 via the belt 30, so as to rotate the drum 12. As the roller 12 rotates, the welded tube in contact with the roller 12 starts to move. Since the welded tube is placed on the guide roller 4, the guide roller 4 moves together with the welded tube as it moves.

When the welded pipe moves, the roller 12 keeps pressure on the welded pipe, so that the welded pipe is continuously bent in the moving process, and the bending work of the welded pipe is completed. During processing, the ends and the tails of the welded pipes are respectively placed in the two movable grooves 14 and are in contact with the movable plate 16, and during processing, the welded pipes vibrate to drive the movable plate 16 to move. At the moment, the connecting rod 17 drives the rubber plate 18 to extrude the air in the movable cavity 15, so that the welded pipe in vibration is buffered.

Rotate handle 7, handle 7 drives two-way threaded rod 6 and rotates, two nuts 8 relative movement this moment, and then make the distance between two locating plates 21 change, and the distance between two squeeze rolls 24 changes promptly, and this device can also change the different bending angle of welded tube of equal model to the welded tube processing of different models this moment, has improved the practicality of this device.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. An adjustable cold bending machine for processing welded pipes comprises an operation table and is characterized in that moving devices are arranged on the left side and the right side of the operation table, an installation hole and two installation grooves are formed in the upper surface of the operation table, a plurality of guide rollers are rotatably connected to the inner side wall of the installation hole, two fixing plates are fixedly connected to the upper surface of the operation table, a bidirectional threaded rod is rotatably connected to the outer side wall of one fixing plate, the other end of the bidirectional threaded rod penetrates through the outer side wall of the other fixing plate and is fixedly connected with a handle, two nuts are sleeved on the outer side wall of the bidirectional threaded rod in a threaded manner, an extrusion device is fixedly connected to the tops of the nuts, and the bottoms of the two nuts are respectively connected with the inner side walls of;

the top fixedly connected with of operation panel returns the shape frame first, the inside wall of first shape frame rotates and is connected with the bull stick, the bottom of bull stick runs through the operation panel and downwardly extending, the below of operation panel is provided with the drive arrangement with bull stick looks adaptation, the outside wall of bull stick and the fixed cover in the inside that is located first shape frame have connect the cylinder.

2. The adjustable cold bending machine for processing the welded pipe according to claim 1, wherein: the mobile device comprises a movable plate, a movable groove which is arranged in a left-right penetrating mode is formed in the outer side wall of the movable plate, two movable cavities are formed in the movable plate, the movable cavities are symmetrically arranged about the movable groove, two movable plates which are symmetrically arranged are arranged in the movable groove, a connecting rod is fixedly connected to the outer side wall of each movable plate, two connecting rods are connected with one ends, far away from the movable plates, of the connecting rods respectively extend to the inner parts of the two movable cavities and are fixedly connected with rubber plates, and the outer side wall of each rubber plate is in contact with the inner side wall of.

3. The adjustable cold bending machine for processing the welded pipe according to claim 2, wherein: and a travelling mechanism is arranged at the bottom of the moving plate and is a plurality of locking universal wheels which are linearly arranged.

4. The adjustable cold bending machine for processing the welded pipe according to claim 1, wherein: the extrusion device comprises a connecting block fixedly connected with the upper surface of the nut, the top of the connecting block is fixedly connected with a positioning plate which is arranged in a U shape, the inner side wall of the positioning plate is fixedly connected with a hydraulic rod, the piston end of the hydraulic rod is fixedly connected with a second return frame, and the inner side wall of the second return frame is rotatably connected with an extrusion roller.

5. The adjustable cold bending machine for processing the welded pipe according to claim 1, wherein: the lower fixed surface of nut is connected with the slider that is the T type setting, the spout with slider looks adaptation is seted up to the inside wall of mounting groove.

6. The adjustable cold bending machine for processing the welded pipe according to claim 1, wherein: the drive arrangement include with operation panel lateral wall fixed connection's diaphragm, the bottom fixedly connected with motor of diaphragm, the output fixedly connected with pivot of motor, the top of pivot runs through the diaphragm and rotates with the lateral wall of operation panel to be connected, the pivot is passed through the belt and is connected with the bull stick transmission.

7. The adjustable cold bending machine for processing the welded pipe according to claim 1, wherein: the outer side walls of the rotating rod and the rotating shaft are fixedly connected with belt pulleys matched with the belt.

8. The adjustable cold bending machine for processing the welded pipe according to claim 1, wherein: the go-between has been cup jointed in the middle part position rotation of two-way threaded rod, the last fixed surface of go-between is connected with L type pole, the lateral wall of L type pole sets up threaded hole, the inside wall threaded connection of screw hole has the screw rod, the top fixedly connected with handle of screw rod, the bottom fixedly connected with bottom of screw rod is the contact plate that the arc set up.