CN223264644U - Pipe shrinking machine for steel pipe machining - Google Patents

Abstract

The utility model belongs to the technical field of pipe shrinking machines, and particularly discloses a pipe shrinking machine for steel pipe machining, which comprises a frame, wherein a lower support is fixedly arranged in the frame, a plurality of groups of lower supporting grooves are formed in the top of the lower support, a guide rod is fixedly connected to the bottom of the inner wall of the frame, a sliding frame is slidably connected to the outer surface of the guide rod through a rotary position mechanism, an upper clamping frame is arranged at the bottom of the sliding frame, a plurality of groups of upper clamping grooves are formed in the lower surface of the upper clamping frame, and a pipe shrinking mechanism is arranged on the frame. This pipe is draw machine for steel pipe processing, when the draw is handled, only need place the tubular product of corresponding model on the corresponding lower bracket, cooperation revolve position mechanism and go up the card frame and can stabilize the card and hold the tubular product, finally carry out the draw to tubular product through draw mechanism and handle, but the different mould heads in this in-process draw mechanism are direct to the tubular product draw of different pipe diameters handle, need not frequently dismantle the mould head, have promoted the treatment efficiency.

Description

Pipe shrinking machine for steel pipe machining

Technical Field

The application relates to the technical field of pipe shrinking machines, in particular to a pipe shrinking machine for steel pipe machining.

Background

The pipe shrinking machine is a device for processing pipe fittings, which is mainly used for expanding or shrinking the pipe or the end surface of the pipe fitting, and can compress or expand one end or two ends of the pipe fitting through mechanical pressure or hydraulic pressure so as to change the diameter or shape of the pipe fitting.

Most of the existing pipe shrinking machines can only shrink or expand one type of steel pipes, if the pipe shrinking and expanding operation is needed for the steel pipes with different pipe diameters, the clamping mechanisms are adjusted to adapt to the steel pipes with corresponding pipe diameters, meanwhile, the die heads used for expanding and shrinking the pipes are detached, new die heads are replaced, the clamping mechanisms are frequently adjusted and the dies are replaced, the downtime in the production process is increased, and the production efficiency and the productivity are affected.

Disclosure of utility model

In view of the above, the present utility model aims to solve the drawbacks of the prior art, and proposes a pipe shrinking machine for processing steel pipes, so as to solve the problems of the prior art.

In order to achieve the above purpose, the utility model provides a pipe shrinking machine for steel pipe machining, which comprises a frame, wherein a lower support is fixedly arranged in the frame, a plurality of groups of lower supporting grooves are formed in the top of the lower support, a guide rod is fixedly connected to the bottom of the inner wall of the frame, a sliding frame is slidably connected to the outer surface of the guide rod through a rotation mechanism, an upper clamping frame is arranged at the bottom of the sliding frame, a plurality of groups of upper clamping grooves are formed in the lower surface of the upper clamping frame, and a pipe shrinking mechanism is arranged on the frame.

Preferably, the rotating mechanism comprises a screw rod rotatably connected to the bottom of the inner wall of the rack, the outer surface of the screw rod is in threaded sleeve connection with the inner surface of the sliding frame, the positions of the two groups of upper clamping frames can be adjusted through the rotating mechanism, the two groups of corresponding lower brackets are matched to stably clamp the pipe fitting, the positions of the lower brackets and the upper clamping frames are located on the same vertical surface, and the upper clamping grooves are matched with the lower supporting grooves.

Preferably, a rotating handle is arranged at the top of the screw rod, and a spring is movably sleeved on the outer surface of the guide rod.

Preferably, the pipe shrinking mechanism comprises a hydraulic cylinder fixedly installed on the frame, the output end of the hydraulic cylinder is fixedly connected with a hydraulic rod, pipe shrinking and expanding treatment can be carried out on pipes of different types through the pipe shrinking mechanism, and the die head does not need to be detached and replaced.

Preferably, one end of the hydraulic rod, which is far away from the hydraulic cylinder, is fixedly connected with a push plate, and the outer surface of the push plate is provided with a plurality of groups of die heads.

Compared with the prior art, the utility model has the following beneficial effects:

1. This pipe is draw machine for steel pipe processing, when the draw is handled, only need place the tubular product of corresponding model on the corresponding lower bracket, cooperation revolve position mechanism and go up the card frame and can stabilize the card and hold the tubular product, finally carry out the draw to tubular product through draw mechanism and handle, but the different mould heads in this in-process draw mechanism are direct to the tubular product draw of different pipe diameters handle, need not frequently dismantle the mould head, have promoted the treatment efficiency.

2. This draw machine is used in steel pipe processing, go up the card frame and move down the in-process of centre gripping tubular product, the spring can be compressed gradually and produce reverse buffer force, and stable buffer force helps guaranteeing the stability and the controllability of draw operation in-process to promote the precision and the uniformity of processing.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present application;

FIG. 2 is a schematic view of the internal structure of the frame of the present application;

FIG. 3 shows a push plate according to the present application schematic surface structure.

The device comprises a frame 1, a lower bracket 2, a lower bracket 3, a lower bracket 4, a guide rod 5, a sliding frame 6, an upper clamping frame 7, an upper clamping groove 8, a screw rod 9, a rotary handle 10, a spring 11, a hydraulic cylinder 12, a hydraulic rod 13, a push plate 14 and a die head.

Detailed Description

The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Referring to fig. 1-3, a pipe shrinking machine for steel pipe processing comprises a frame 1, a lower bracket 2 is fixedly installed in the frame 1, a plurality of groups of lower bracket 3 are arranged at the top of the lower bracket 2, a guide rod 4 is fixedly connected to the bottom of the inner wall of the frame 1, a sliding frame 5 is slidably connected to the outer surface of the guide rod 4 through a rotation mechanism, an upper clamping frame 6 is arranged at the bottom of the sliding frame 5, a plurality of groups of upper clamping grooves 7 are formed in the lower surface of the upper clamping frame 6, and a pipe shrinking mechanism is arranged on the frame 1.

Through above-mentioned technical scheme, the device can place the tubular product in the lower bracket 3 on the lower carriage 2 when using, can control through the rotation position mechanism and go up clamping frame 6 and move down, cooperate draw-in groove 7 to hold tubular product stability card, carry out draw or expand the pipe through draw-in mechanism to tubular product at last and handle.

Specifically, the rotation mechanism comprises a screw rod 8 rotatably connected to the bottom of the inner wall of the frame 1, and the outer surface of the screw rod 8 is in threaded sleeve connection with the inner surface of the sliding frame 5.

Through above-mentioned technical scheme, screw rod 8 is in the rotation in-process, owing to lead position pole 4 can play relative spacing's effect to balladeur train 5, consequently can let balladeur train 5 follow screw rod 8 axial displacement.

Specifically, the top of screw rod 8 is provided with revolves handle 9, and the surface activity cover of leading position pole 4 is equipped with spring 10.

Through above-mentioned technical scheme, in-process that slide frame 5 moved down along guide bar 4, can compress spring 10, here in order to reduce the extrusion force in the twinkling of an eye to the steel pipe, promotes the protection effect.

Specifically, the pipe shrinking mechanism comprises a hydraulic cylinder 11 fixedly arranged on the frame 1, and the output end of the hydraulic cylinder 11 is fixedly connected with a hydraulic rod 12.

Through the technical scheme, the two groups of hydraulic cylinders 11 can respectively exert force on the corresponding hydraulic rods 12, so that the corresponding push plates 13 are driven to move forwards.

Specifically, one end of the hydraulic rod 12 far away from the hydraulic cylinder 11 is fixedly connected with a push plate 13, and the outer surface of the push plate 13 is provided with a plurality of groups of die heads 14.

By the above-described technical solution, the number of the die heads 14 is set to be plural and different in type in order to perform the pipe shrinking treatment of the steel pipes of different types at different positions.

Working principle: in the use process of the device, steel pipes with different pipe diameters can be subjected to pipe shrinkage treatment, namely, the pipes are firstly placed in the proper lower bracket 3 on the two groups of lower brackets 2, the lower bracket 3 on the two groups of lower brackets 2 is used for stably supporting the pipes, then the rotating knob 9 is rotated to drive the screw rod 8 to rotate, the sliding frame 5 is linked to displace in the rotating process of the screw rod 8, the sliding frame 5 moves downwards along the axial direction of the screw rod 8 under the relative limiting action of the guide rod 4, the two groups of upper clamping frames 6 on the outer side of the sliding frame 5 synchronously move downwards in the process until the upper clamping grooves 7 are matched for stably clamping the pipes in the lower bracket 3, the springs 10 are gradually extruded in the downward moving process of the sliding frame 5, and reverse buffer force is formed, so that the damage such as steel pipe deformation caused by excessive instant extrusion force can be effectively reduced, the protection performance of the steel pipe is improved, the hydraulic cylinder 11 is started to push the push plate 13 forwards through the hydraulic rod 12, at the moment, the die heads 14 opposite to the corresponding lower bracket 3 and the upper clamping groove 7 can be inserted into the two ends of the pipe, the pipe is contracted, the die heads 14 are not required to be repeatedly detached and replaced in the whole pipe contracting operation process, the corresponding pipe is only required to be placed at the corresponding position of the lower bracket 2, the corresponding die heads 14 are used for contracting the pipe, and the operation process is simpler and faster, and an operator only needs to place the steel pipe at the correct position, so that the machine can automatically contract the pipe, and the complexity and technical requirements of the operation are greatly reduced.

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

Claims (5)

1. The pipe shrinking machine for steel pipe machining comprises a frame (1) and is characterized in that a lower support (2) is fixedly arranged in the frame (1), a plurality of groups of lower supporting grooves (3) are formed in the top of the lower support (2), a guide rod (4) is fixedly connected to the bottom of the inner wall of the frame (1), a sliding frame (5) is slidably connected to the outer surface of the guide rod (4) through a rotation mechanism, an upper clamping frame (6) is arranged at the bottom of the sliding frame (5), a plurality of groups of upper clamping grooves (7) are formed in the lower surface of the upper clamping frame (6), and a pipe shrinking mechanism is arranged on the frame (1).

2. The pipe shrinking machine for steel pipe machining according to claim 1, wherein the rotation mechanism comprises a screw rod (8) rotatably connected to the bottom of the inner wall of the frame (1), and the outer surface of the screw rod (8) is in threaded sleeve joint with the inner surface of the sliding frame (5).

3. The pipe shrinking machine for steel pipe machining according to claim 2, wherein a rotating handle (9) is arranged at the top of the screw rod (8), and a spring (10) is movably sleeved on the outer surface of the guide rod (4).

4. The pipe shrinking machine for steel pipe machining according to claim 1, wherein the pipe shrinking mechanism comprises a hydraulic cylinder (11) fixedly arranged on the frame (1), and the output end of the hydraulic cylinder (11) is fixedly connected with a hydraulic rod (12).

5. The pipe shrinking machine for steel pipe machining according to claim 4, wherein a pushing plate (13) is fixedly connected to one end, far away from the hydraulic cylinder (11), of the hydraulic rod (12), and a plurality of groups of die heads (14) are arranged on the outer surface of the pushing plate (13).