CN210099332U

CN210099332U - Positioning and clamping device for welding steel pipes

Info

Publication number: CN210099332U
Application number: CN201822214293.XU
Authority: CN
Inventors: 童卓超
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2020-02-21
Anticipated expiration: 2028-12-27

Abstract

The utility model discloses a positioning and clamping device for welding steel pipes, which comprises a welding workbench, wherein the top of the welding workbench is provided with a movable groove, the bottom of the inner cavity of the movable groove is provided with a track, the top of the track is provided with a movable V-shaped clamping seat, the bottom of the movable V-shaped clamping seat is bilaterally symmetrically provided with rollers which are in sliding fit with the track, the right side of the top of the welding workbench is fixedly provided with a fixed V-shaped clamping seat, the left side of the top of the welding workbench is fixedly provided with a supporting seat, the left side wall of the supporting seat is provided with a handle, a first screw rod is rotatably connected between the supporting seat and the fixed V-shaped clamping seat, the tops of the movable V-shaped clamping seat and the fixed V-shaped clamping seat are provided with steel pipes, the rear side walls of the movable V-shaped clamping seat and the fixed V-shaped clamping seat, the utility model provides a clamping device suitable for different diameters different length.

Description

Positioning and clamping device for welding steel pipes

Technical Field

The utility model relates to a welding field specifically is a steel pipe welded location clamping device.

Background

Welding, also known as fusion, welding, is a manufacturing process and technique for joining metals or other thermoplastic materials, such as plastics, in a heated, high temperature or high pressure manner. The welding technology is mainly applied to metal base materials, and commonly used welding technologies comprise arc welding, argon arc welding, CO2 shielded welding, oxygen-acetylene welding, laser welding, electroslag pressure welding and the like, and plastics and other non-metal materials can also be welded.

In the use of steel pipe, often need weld two steel pipes, in order to let the steel pipe mouth of pipe can the parallel and level, the steel pipe central line can align, the technical personnel in this field have designed multiple steel pipe welding centre gripping equipment. However, for the existing steel pipe welding fixture, flexible adjustment of the steel pipe cannot be realized when the steel pipe is clamped and aligned, and the positioning and clamping effects of the steel pipe are not ideal, which greatly affects the engineering quality of subsequent welding and the service performance of the welded steel pipe.

To this end, those skilled in the relevant art have made improvements, for example, the chinese patent application No. cn201720078990.x, "a pipe welding jig comprising a first base plate and a second base plate sleeved together, one end and one side of the second bottom plate are respectively and fixedly connected with a first sleeving connection block and a second sleeving connection block which have the same size, one end of the first bottom plate is provided with a sleeve opening matched and sleeved with the first sleeve connecting block, the surface of the upper part of the first bottom plate is hinged with a protection plate, the upper parts of the first bottom plate and the second bottom plate are both fixedly connected with a clamping device ", although the utility model can realize the direct welding of two steel pipes and the fixing of the oblique welding of 90 degrees between the two steel pipes, however, the device is not suitable for steel pipes with different lengths, and the clamping device is only suitable for steel pipes with fixed diameters, so that the application range is limited.

Based on this, the utility model designs a steel pipe welded's location clamping device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel pipe welded's location clamping device to solve above-mentioned device and be not suitable for the steel pipe of different length and use, and clamping device only is applicable to the steel pipe of fixed diameter size and uses, the limited problem of application range.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning and clamping device for welding a steel pipe comprises a welding workbench, wherein a movable groove is formed in the top of the welding workbench, a track is arranged at the bottom of an inner cavity of the movable groove, a movable V-shaped clamping seat is arranged at the top of the track, rollers which are in sliding fit with the track are symmetrically arranged on the left and right of the bottom of the movable V-shaped clamping seat, a fixed V-shaped clamping seat is fixedly arranged on the right side of the top of the welding workbench, a supporting seat is fixedly arranged on the left side of the top of the welding workbench, a handle is arranged on the left side wall of the supporting seat, a first screw rod is rotatably connected between the supporting seat and the fixed V-shaped clamping seat through a bearing and is in threaded connection with the movable V-shaped clamping seat, the left end of the first screw rod is connected with the handle, a steel pipe is arranged at the tops of the movable V-shaped clamping seat and the fixed V-shaped clamping seat, and supporting columns are fixedly arranged, the rectangular channel has been seted up to the preceding lateral wall of support column, the inner chamber left and right sides wall of rectangular channel is provided with the slide rail, and is two sets of the slide rail is pressed close to one side each other and is slided and be provided with clamping device.

Preferably, the clamping device comprises a movable plate in sliding fit with the sliding rail, clamping blocks are hinged to the left side and the right side of the outer side wall of the movable plate, and a limiting spring is arranged between the two groups of clamping blocks.

Preferably, the inner cavity of the movable plate is provided with an adjusting device

Preferably, the adjusting device comprises a second screw rod in threaded connection with the movable plate, the bottom of the second screw rod is rotatably connected with a bevel gear set through a bearing, and the right end of the bevel gear set is rotatably connected with a movable handle.

Preferably, rubber pads are arranged between the tops of the movable V-shaped clamping seat and the fixed V-shaped clamping seat and the steel pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple structure and reasonable design, and the movable V-shaped clamping seat and the fixed V-shaped clamping seat are suitable for steel pipes with different lengths to use through the sliding fit of the roller and the track, and the application range is wide; the height of the clamping block can be adjusted according to the diameter of the steel pipe through the adjusting device, so that the clamping device is suitable for steel pipes with different diameters, and the practicability is high; the stability of the steel pipe is improved through the mutual clamping action of the V-shaped clamping seat and the clamping block and the elastic action of the limiting spring; namely, the utility model provides a clamping device suitable for different diameters different length.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a side view of the structure of the present invention;

fig. 3 is a schematic view of the adjusting device of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-welding workbench, 2-movable groove, 3-rail, 4-movable V-shaped clamping seat, 5-roller, 6-fixed V-shaped clamping seat, 7-supporting seat, 8-handle, 9-first screw, 10-supporting column, 11-rectangular groove, 12-sliding rail, 13-clamping device, 131-movable plate, 132-clamping block, 133-limiting spring, 14-adjusting device, 141-second screw, 142-bevel gear set, 143-movable handle, 15-rubber pad and 16-steel tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a positioning and clamping device for welding a steel pipe comprises a welding workbench 1, wherein a movable groove 2 is formed in the top of the welding workbench 1, a track 3 is arranged at the bottom of an inner cavity of the movable groove 2, a movable V-shaped clamping seat 4 is arranged at the top of the track 3, rollers 5 which are in sliding fit with the track 3 are symmetrically arranged on the left and right of the bottom of the movable V-shaped clamping seat 4, a fixed V-shaped clamping seat 6 is fixedly arranged on the right side of the top of the welding workbench 1, a supporting seat 7 is fixedly arranged on the left side of the top of the welding workbench 1, a handle 8 is arranged on the left side wall of the supporting seat 7, a first screw 9 is rotatably connected between the supporting seat 7 and the fixed V-shaped clamping seat 6 through a bearing, the first screw 9 is in threaded connection with the movable V-shaped clamping seat 4, the left end of the first screw 9 is connected with the handle 8, a steel pipe 16, the movable V-shaped clamping seat 4 and the rear side wall of the fixed V-shaped clamping seat 6 are fixedly provided with a supporting column 10, the front side wall of the supporting column 10 is provided with a rectangular groove 11, the left side wall and the right side wall of an inner cavity of the rectangular groove 11 are provided with sliding rails 12, and two groups of sliding rails 12 are close to one side and are provided with a clamping device 13 in a sliding mode.

The clamping device 13 includes a movable plate 131 slidably engaged with the slide rail 12, clamping blocks 132 are hinged to the left and right sides of the outer sidewall of the movable plate 131, and a limiting spring 133 is disposed between the two clamping blocks 132 for fixing the steel pipe 16 and improving the stability of clamping the steel pipe 16.

Wherein, the inner cavity of the movable plate 131 is provided with an adjusting device 14 for adjusting the height of the clamping block 132, so that the clamping block is suitable for steel pipes 16 with different diameters.

The adjusting device 14 includes a second screw 141 screwed with the movable plate 131, a bevel gear set 142 is rotatably connected to the bottom of the second screw 141 through a bearing, a movable handle 143 is rotatably connected to the right end of the bevel gear set 142, and the height of the clamping block 132 is adjusted through the movable handle 143.

Rubber pads 15 are arranged between the tops of the movable V-shaped clamping seat 4 and the fixed V-shaped clamping seat 6 and the steel pipe 16, and the outer side wall of the steel pipe 16 is protected from being damaged due to overlarge pressure.

One specific application of this embodiment is: the device is a positioning and clamping device for welding steel pipes, and is mainly suitable for fixing and clamping the steel pipes during welding, when in use, the handle 8 is rotated according to the length and the diameter of the steel pipe 16, the distance between the movable V-shaped clamping seat 4 and the fixed V-shaped clamping seat 6 is adjusted, so that the device is suitable for the steel pipes 16 with different lengths to be used, the steel pipe 16 is respectively placed at the tops of the movable V-shaped clamping seat 4 and the fixed V-shaped clamping seat 6, the movable handle 143 is rotated, the second screw 141 drives the movable plate to move downwards and simultaneously drives the clamping blocks 132 to move downwards, when the clamping blocks 132 are abutted against the steel pipe 16, the movable handle 143 is continuously rotated, so that the clamping blocks 132 continue to move downwards, then the two groups of clamping blocks 132 rotate towards the left side and the right side until the two groups of clamping blocks 132 stably clamp the steel pipe 16 under the action of the limiting springs, the stability of the steel pipe 16 is, and (3) rotating the movable handle 143 to enable the two groups of clamping blocks 132 to move upwards to be separated from the steel pipe 16, and finally taking down the steel pipe 16.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a steel pipe welded location clamping device, includes weldment work platform (1), its characterized in that: the welding bench is characterized in that a movable groove (2) is formed in the top of the welding bench (1), a track (3) is arranged at the bottom of an inner cavity of the movable groove (2), a movable V-shaped clamping seat (4) is arranged at the top of the track (3), idler wheels (5) which are in sliding fit with the track (3) are symmetrically arranged on the left and right of the bottom of the movable V-shaped clamping seat (4), a fixed V-shaped clamping seat (6) is fixedly arranged on the right side of the top of the welding bench (1), a supporting seat (7) is fixedly arranged on the left side of the top of the welding bench (1), a handle (8) is arranged on the left side wall of the supporting seat (7), a first screw (9) is rotatably connected between the supporting seat (7) and the fixed V-shaped clamping seat (6) through a bearing, the first screw (9) is in threaded connection with the movable V-shaped clamping seat (4), and the left end of the first screw (9), the movable V-shaped clamping seat (4) and the fixed V-shaped clamping seat (6) are provided with steel pipes (16) at the tops, a supporting column (10) is fixedly arranged on the rear side wall of each of the movable V-shaped clamping seat (4) and the fixed V-shaped clamping seat (6), a rectangular groove (11) is formed in the front side wall of the supporting column (10), sliding rails (12) are arranged on the left side wall and the right side wall of an inner cavity of the rectangular groove (11), and the sliding rails (12) are arranged in a manner of being close to one side and slidably provided with clamping devices (13).

2. The positioning and clamping device for the steel pipe welding according to claim 1, characterized in that: clamping device (13) include with slide rail (12) looks sliding fit's fly leaf (131), the lateral wall left and right sides of fly leaf (131) all articulates there is grip block (132), two sets of be provided with spacing spring (133) between grip block (132).

3. The positioning and clamping device for the steel pipe welding according to claim 2, is characterized in that: the inner cavity of the movable plate (131) is provided with an adjusting device (14).

4. The positioning and clamping device for the steel pipe welding according to claim 3, wherein: the adjusting device (14) comprises a second screw rod (141) in threaded connection with the movable plate (131), the bottom of the second screw rod (141) is rotatably connected with a bevel gear set (142) through a bearing, and the right end of the bevel gear set (142) is rotatably connected with a movable handle (143).

5. The positioning and clamping device for the steel pipe welding according to claim 1, characterized in that: rubber pads (15) are arranged between the tops of the movable V-shaped clamping seat (4) and the fixed V-shaped clamping seat (6) and the steel pipe (16).