Special pipe pressing device

Abstract

The utility model belongs to the technical field of metal pressing, and particularly relates to a special pipe pressing device which comprises a second rolling device assembled at the top of a first rolling device in a threaded lifting mode, clamping plates are detachably arranged on one side of the first rolling device in a mirror symmetry mode, and the two ends of each clamping plate are fixedly connected with side plates. A clamping groove allowing a pipe to penetrate through is formed in one side of each clamping plate, and screw rods are symmetrically and rotationally assembled between the two side plates located on one side of the second rolling device; the upper face and the lower face of a pipe are clamped through the clamping plates fixed to one end of the first rolling device and one end of the second rolling device, the left face and the right face of the pipe are clamped through the clamping rods capable of adjusting sliding, the clamping plates can synchronously move along with the second rolling device, the pipe rolling device can be matched with pipes with different calibers, and the pipe rolling efficiency is improved. And the pipe can be clamped and limited, the pipe is prevented from shaking or deflecting when being inserted into the roller, the operation error-tolerant rate is increased, and the shape precision of the pressed special-shaped pipe is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to metal pressing technical field, concretely relates to a special-shaped pipe pressing device. BACKGROUND

[0002] It is a common metal processing technology to press a round pipe or a square pipe into a special-shaped pipe, which aims to convert a pipe with a circular or rectangular cross section into a special-shaped pipe with a different shaped cross section through various mechanical and technological means. A roller pressing type cold bending forming device is a device for forming a metal profile by using a continuous bending process, in which process, a metal strip is sequentially passed through a plurality of pairs of hole-shaped rollers, and as the rollers rotate, the strip is fed forward and continuously bent and pressed, thereby obtaining a workpiece with a desired cross-sectional shape.

[0003] In the prior art, when an operator inserts a pipe into the rollers from one end of the device, the position and angle of the pipe need to be controlled to prevent the pipe from shaking or deviating during insertion, which requires a certain degree of skill from the operator, has a low fault tolerance, and it is difficult to ensure the stability of the position and angle. If the pipe shakes or deviates during insertion into the rollers, it may result in a special-shaped pipe with low shape precision. SUMMARY

[0004] The utility model aims to provide a special-shaped pipe pressing device, which can clamp and position a pipe from the top and bottom by a clamping plate fixed at one end of a roller pressing device one and a roller pressing device two, clamp and position the pipe from the left and right by a clamping rod that can be adjusted and slid, and move the clamping plate synchronously with the roller pressing device two. The device can match and adapt to pipes with different diameters, clamp and position the pipes, prevent the pipes from shaking or deviating during insertion into the rollers, improve the fault tolerance of operation, and ensure the shape precision of the pressed special-shaped pipe.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A special-shaped pipe pressing device includes a roller pressing device two assembled on the top of a roller pressing device one in a threaded lifting manner, a clamping plate is detachably and mirror-symmetrically arranged on one side of the roller pressing device one, side plates are fixedly connected to both ends of the clamping plate, clamping grooves for the pipe to pass through are formed in one side of the clamping plate, screw rods are symmetrically and rotationally assembled between the two side plates on one side of the roller pressing device two, the two screw rods are fixedly connected through a connecting pipe, the screw rods are oppositely threaded, clamping rods are threadedly connected to the outer walls of the screw rods, the clamping rods are symmetrically and slidably arranged on both sides of the clamping plate, and the clamping rods are slidably connected to the clamping plate through sliding rods.

[0007] The side plates are detachably and fixedly connected to the roller pressing device one and the roller pressing device two through fasteners.

[0008] The roller pressing device one and the roller pressing device two are fixedly connected with an embedded block, and the two side plates are movably embedded with the embedded block through an embedded rod one and an embedded rod two.

[0009] The one end of the clamping rod is arranged in the clamping groove, and the two side plates are fixedly connected with a baffle above the screw rod.

[0010] The one side of the two diagonal side plates is fixedly connected with a limiting rod, and the one end of the two diagonal side plates is fixedly connected with a connecting plate.

[0011] The limiting rod and the connecting plate are through slidingly connected, and the one end of the limiting rod is fixedly connected with a limiting block.

[0012] The technical effects achieved by the utility model are as follows: the clamping plate fixed at one end of the roller pressing device one and the roller pressing device two clamps the pipe from the upper and lower sides, the clamping rod which can be adjusted and slid clamps the pipe from the left and right sides, the clamping plate can move synchronously with the roller pressing device two, the device can match and adapt to pipes with different diameters, clamp and limit the pipe, prevent the pipe from shaking or deviating when the pipe is inserted into the roller, improve the operation fault tolerance, and ensure the shape precision of the profiled pipe. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the overall appearance view of the profiled pipe pressing device provided by the embodiment of the utility model;

[0014] Figure 2 is the structure separation view of the profiled pipe pressing device provided by the embodiment of the utility model;

[0015] Figure 3 is Figure 2 the local enlarged view of A in the figure.

[0016] In the drawings, the components represented by the numbers are listed as follows:

[0017] 1, roller pressing device one; 101, roller pressing device two; 102, embedded block; 103, clamping groove; 104, side plate; 105, clamping plate; 106, fastener; 107, embedded rod one; 108, embedded rod two; 109, connecting pipe; 110, screw rod; 111, sliding rod; 112, clamping rod; 113, limiting rod; 114, limiting block; 115, connecting plate; 116, baffle. DETAILED DESCRIPTION

[0018] In order to make the purpose and advantages of the utility model more clear and obvious, the utility model is specifically described below in combination with the embodiments. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the protection scope of the utility model.

[0019] As Figures 1-3 shown, a special-shaped pipe pressing device, including the roller pressing device two 101 screw lifting assembled on the top of the roller pressing device one 1, one side of the roller pressing device one 1 is detachably mirror-symmetrically provided with the clamping plate 105, both ends of the clamping plate 105 are fixedly connected with the side plate 104, the side plate 104 is detachably fixedly connected with the roller pressing device one 1 and the roller pressing device two 101 through the fastener 106 respectively, one side of the roller pressing device one 1 and the roller pressing device two 101 is fixedly connected with the embedded block 102, the two side plates 104 are movably embedded with the embedded block 102 through the embedded rod one 107 and the embedded rod two 108 respectively, one side of the clamping plate 105 is provided with the clamping groove 103 for the pipe to pass through, the two side plates 104 between one side of the roller pressing device two 101 are symmetrically rotationally assembled with the screw rod 110, the two screw rods 110 are fixedly connected through the connecting pipe 109, the screw rods 110 are oppositely threaded, the outer wall of the screw rod 110 is threaded connected with the clamping rod 112, the clamping rod 112 is symmetrically slidably arranged on both sides of the clamping plate 105, the clamping rod 112 is slidably connected with the clamping plate 105 through the sliding rod 111, one end of the clamping rod 112 is arranged inside the clamping groove 103, the two side plates 104 between and above the screw rod 110 are fixedly connected with the baffle 116, one side of the two diagonally arranged side plates 104 is fixedly connected with the limiting rod 113, one end of the two diagonally arranged side plates 104 is fixedly connected with the connecting plate 115, the limiting rod 113 and the connecting plate 115 are throughly slidably connected, one end of the limiting rod 113 is fixedly connected with the limiting block 114.

[0020] According to the above structure, the side plate 104 on the side of the two clamping plates 105 is fixedly connected with a limiting rod 113, and the other side plate 104 on the side of the two clamping plates 105 is also fixedly connected with a connecting plate 115 at one end, and the fixed points of the two connecting plates 115 and the fixed points of the two limiting rods 113 are symmetrically inclined to each other, so that the two clamping plates 105 can be opened and closed relative to each other, the connecting plate 115 can block the limiting block 114 when the limiting rod 113 slides to a certain distance, preventing the limiting rod 113 from slipping off, one clamping plate 105 and side plate 104 are hung on the embedding block 102 of the roller pressing device two 101 through the embedding rod one 107, and the other clamping plate 105 and side plate 104 are embedded into the embedding block 102 of the roller pressing device one 1 through the embedding rod two 108, and then the side plate 104 is fixed through the fastener 106; in the prior art, the height of the roller pressing device two 101 can drive the roller to move vertically to adapt to pipe materials of different diameters, and when the roller pressing device two 101 moves, the side plate 104 and the clamping plate 105 can move together, so that the two clamping grooves 103 are away from each other, and the pipe material is inserted; after one end of the pipe material is inserted into the clamping groove 103, the connecting pipe 109 is rotated to drive the screw rod 110 to rotate, the opposite direction threads of the screw rod 110 drive the two clamping rods 112 to move radially synchronously, the sliding rod 111 slides and limits the clamping rod 112, preventing it from rotating with the screw rod 110, and the movement of the clamping rod 112 can adjust the distance and clamp the two sides of the pipe material; the baffle 116 can block the debris flying when the roller extrudes the pipe end, avoiding the damage to the face of the person; the clamping plate 105 fixed at one end of the roller pressing device one 1 and the roller pressing device two 101 clamps the pipe material from top to bottom, the clamping rod 112 can adjust the sliding to clamp the pipe material from left to right, and the clamping plate 105 can move synchronously with the roller pressing device two 101, which can not only match different diameters of pipe materials, but also clamp and limit the pipe material, prevent the pipe material from shaking or deviating when inserted into the roller, improve the operation fault tolerance, and ensure the shape precision of the special-shaped pipe.

[0021] The utility model discloses a working principle for: both the side plate 104 of two clamping plates 105 sides are fixedly connected with the limiting rod 113, and the other side plate 104 of two clamping plates 105 sides also all are fixedly connected with the link plate 115, and the fixed point of two link plates 115, the fixed point of two limiting rods 113 are mutually inclined symmetry, just make two clamping plates 105 can slide open and close each other, and the link plate 115 can be blocked to limiting block 114 when limiting rod 113 slides to certain distance, prevent limiting rod 113 to slip, and one clamping plate 105, side plate 104 are hung in the embedding block 102 of roller pressure device no. 2 101 through embedding rod no. 1 107, and another clamping plate 105, side plate 104 are embedded into the embedding block 102 of roller pressure device no. 1 1 through embedding rod no. 2 108, then through fastener 106 and fix side plate 104, the height of adjusting roller pressure device no. 2 101 can drive the vertical movement of the roller in the prior art, to adapt to the pipe of different caliber, and when roller pressure device no. 2 101 moves, can drive one side plate 104, clamping plate 105 move together, so that two clamping grooves 103 are far away from each other, and the pipe is inserted, after the pipe one end is inserted into clamping groove 103, rotates link pipe 109 and drives screw rod 110 to rotate, and the thread of opposite direction of screw rod 110 drives two clamping rods 112 synchronous radial movement, and sliding rod 111 slides along with and limits clamping rod 112, prevents it from rotating with screw rod 110, and the movement of clamping rod 112 can adjust the distance, and the both sides of the pipe are clamped, and baffle 116 can prevent the debris of blocking the roller extrusion pipe end from flying, avoid the harm to the face of the person.

[0022] The above only is the preferred implementation of the utility model, should point out, for the ordinary skill of the technical field, on the premise of not departing from the principle of the utility model, can also make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection range of the utility model. The structure, device and operation method not specifically described and explained in the utility model, are implemented according to the conventional means of the field, if no special description and limitation.

Claims

1. A profiled tube pressing device comprising a roller device two (101) screw-lifted assembled on the top of a roller device one (1), characterized in that: One side of the roller device one (1) is detachably mirror-symmetrically provided with a clamping plate (105), both ends of the clamping plate (105) are fixedly connected with side plates (104), one side of the clamping plate (105) is provided with a clamping groove (103) for pipe passing, two side plates (104) on one side of the roller device two (101) are symmetrically rotatably assembled with screw rods (110), two screw rods (110) are fixedly connected through a connecting pipe (109), the screw threads of two screw rods (110) are oppositely arranged, the outer walls of the screw rods (110) are threadedly connected with clamping rods (112), the clamping rods (112) are symmetrically slidably arranged on both sides of the clamping plate (105), and the clamping rods (112) are slidably connected with the clamping plate (105) through sliding rods (111).

2. A profiled tube pressing device according to claim 1, characterized in that: The side plates (104) are detachably fixedly connected with the roller device one (1) and the roller device two (101) through fasteners (106).

3. A profiled tube pressing device according to claim 1, characterized in that: One side of the roller device one (1) and the roller device two (101) is fixedly connected with an embedded block (102), and the two side plates (104) are movably embedded with the embedded block (102) through embedded rods one (107) and two (108).

4. A profiled tube pressing device according to claim 1, characterized in that: One end of the clamping rod (112) is arranged in the clamping groove (103), and a baffle (116) is fixedly connected between the two side plates (104) and above the screw rod (110).

5. A profiled tube pressing device according to claim 1, characterized in that: One side of each of the two diagonally arranged side plates (104) is fixedly connected with a limiting rod (113), and one end of each of the two diagonally arranged side plates (104) is fixedly connected with a connecting plate (115).

6. A profiled tube pressing device according to claim 5, characterized in that: The limiting rod (113) and the connecting plate (115) are through-slidably connected, and one end of the limiting rod (113) is fixedly connected with a limiting block (114).

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