CN210997313U

CN210997313U - Welding tool for butt joint of steel pipes

Info

Publication number: CN210997313U
Application number: CN201921739853.1U
Authority: CN
Inventors: 王福来; 任立军; 韩宝泉; 梁作成; 刘闻涛
Original assignee: Lingnan Water Group Co ltd
Current assignee: Lingnan Water Group Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-07-14
Anticipated expiration: 2029-10-16

Abstract

The utility model provides a welding tool for butt joint of steel pipes, which comprises a square frame, a connecting sleeve is rotated at the middle position of the bottom end in the square frame, a screw rod is connected with a screw rod in a threaded manner in the sleeve and extends out of the upper side of the sleeve, a pipe body is arranged at the upper end of the screw rod and is positioned in the square frame, first pressure heads are respectively attached to the left end and the right end of the pipe body, a cylinder body of an electric push rod is fixedly connected at the middle position of the left end and the right end of the square frame, a piston rod of the electric push rod passes through the square frame and is fixedly connected with the first pressure heads, a stud is attached to the upper end of the pipe body and extends out of the upper side of the square frame, a movable block is connected with the outer side of the ring of the stud in a threaded manner, the movable block is slidably connected in the top of the square, the product quality is improved.

Description

Welding tool for butt joint of steel pipes

Technical Field

The utility model relates to a welding frock is used in butt joint of steel pipe belongs to steel pipe welding technical field.

Background

In the production and processing process of the steel pipes, the steel pipes are often required to be subjected to cross surface butt welding, and two steel pipes are required to be positioned on a welding fixture and then welded in the welding process, so that the welding tool is common equipment for steel pipe production.

Chinese patent publication No. CN209206851U is a steel pipe welding positioning fixture, through clamping cylinder, place left pressure head and lower lock nut in respectively with pipe fitting a's both ends and carry out the centre gripping, aim at pipe fitting B's arc mouth at a 9's welding part again, make lower pressure head carry out the centre gripping to pipe fitting B's the other end through adjusting screw, then at the beginning of welding operation, but in the above-mentioned file, do not support pipe fitting a and pipe fitting B butt joint position, set up the groove that is used for the butt joint on the pipe fitting a, make pipe fitting a intensity reduce, in welding process, pipe fitting a butt joint position can receive high temperature heating, lower pressure head can make pipe fitting B have downward clamping force in addition, these can all make pipe fitting a welding position take place the deformation, influence the quality of product, the butt joint of a steel pipe is with welding frock to solve above-mentioned problem that needs to design.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough that prior art exists, the utility model aims at providing a welding frock is used in butt joint of steel pipe to in the welding process that proposes among the solution above-mentioned background art, pipe fitting butt joint position can receive high temperature heating, and the pressure head can produce downwards and press the power of holding in addition down, and these can all make pipe fitting welding position take place to warp, influence the problem of the quality of product, the utility model discloses press about pressing to the body and hold and press from top to bottom, effectively prevent that body welding position from taking place to warp, promote product quality.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a butt joint of steel pipe is with welding frock, includes square frame, connecting sleeve is rotated to the inside bottom intermediate position of square frame, inside threaded connection screw rod of sleeve and screw rod extend the sleeve upside, the screw rod upper end sets up body and is in square frame, first pressure head is all laminated at both ends about the body, the barrel of the equal fixed connection electric putter of both ends intermediate position about square frame, electric putter's piston rod pass square frame and with first pressure head fixed connection, body upper end laminating double-screw bolt and double-screw bolt extend square frame upside, double-screw bolt annular outside threaded connection movable block, movable block sliding connection is in square frame top.

Furthermore, a third through groove is formed in the upper end of the square frame, a third through groove penetrates through the top of the square frame from top to bottom, and the movable block is slidably connected inside the third through groove and can move left and right along the third through groove.

Furthermore, a first through groove is formed in the upper side edge position of the front end of the square frame, the first through groove is located at the front end of the movable block, a fastening bolt is in threaded connection with the middle of the front end of the movable block, and the fastening bolt is arranged on the upper side of the front end of the square frame, penetrates through the first through groove and is connected with the movable block.

Furthermore, a second through groove is formed in the upper side edge position of the rear end of the square frame and is located at the rear end of the movable block, and the rear end of the movable block is fixedly connected with a sliding block which is connected into the second through groove in a sliding mode.

Further, the first pressure head is close to one end fixed connection rod of the electric push rod, a threaded hole is formed in the top of a piston rod of the electric push rod, a connection rod is installed in the threaded hole, and the piston rod of the electric push rod is connected with the first pressure head through the connection rod and the threaded hole.

Further, screw rod upper end fixed connection backup pad and backup pad laminating are at body downside cambered surface, the transversal arc of personally submitting of backup pad.

Further, the body includes left pipe and right pipe, first upper shed, first transition fracture and first under shed are seted up from left to right in proper order to left side pipe right-hand member, second under shed, second transition fracture and second upper shed are seted up from left to right in proper order to right side pipe left end, first upper shed and the closed butt joint of second under shed, the closed butt joint of first transition fracture and second transition fracture, the closed butt joint of first under shed and second upper shed.

Further, double-screw bolt lower extreme threaded connection screw sleeve just extends into in the screw sleeve, screw sleeve lower extreme fixed connection second pressure head and second pressure head laminating are at body upside arcwall face, the arc is personally submitted to the second pressure head cross section.

Further, the pipe body further comprises a straight pipe, the upper end of the straight pipe is attached to the vertical pipe, the upper end of the vertical pipe is attached to the second pressure head, and the appearance of the second pressure head is disc-shaped.

The utility model has the advantages that: the utility model discloses a welding frock is used in butt joint of steel pipe, utilize electric putter to make two first pressure heads inwardly movable, and then press to hold about going on the body, it makes the screw rod along the rebound in the sleeve to recycle the sleeve, thereby drive backup pad rebound, make backup pad and the laminating of body downside arcwall face then, the realization is supported the body, also can adjust the backup pad upper and lower position, can support the body of different diameters, increase application range, it makes second pressure head rebound to recycle the double-screw bolt, utilize second pressure head and backup pad to press from top to bottom to hold the body, weld the butt joint position of body again, prevent effectively that body welding position from taking place to warp, promote product quality.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a plan view of a welding tool for butt joint of steel pipes according to the present invention;

fig. 2 is a perspective view of the welding tool for butt joint of steel pipes of the present invention;

fig. 3 is a schematic view of a first pressure head in the welding tool for butt joint of steel pipes of the present invention;

fig. 4 is a schematic view of a pipe body in the welding tool for butt joint of steel pipes of the present invention;

fig. 5 is a schematic view of a second pressure head in the welding tool for butt joint of steel pipes of the present invention;

fig. 6 is a diagram illustrating another embodiment of a welding tool for butt joint of steel pipes according to the present invention;

FIG. 7 is a schematic view of the second ram of FIG. 6;

in the figure: 1-square frame, 2-electric push rod, 3-first pressure head, 4-sleeve, 5-screw rod, 6-pipe body, 7-stud, 8-movable block, 11-first through groove, 12-second through groove, 13-third through groove, 31-connecting rod, 51-supporting plate, 61-left pipe, 62-right pipe, 71-second pressure head, 81-fastening bolt, 601-straight pipe, 602-vertical pipe, 611-first upper opening, 612-first transition fracture, 613-first lower opening, 621-second upper opening, 622-second transition fracture and 623-second lower opening.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example 1: please refer to fig. 1-5, a welding tool for butt joint of steel pipes comprises a square frame 1, a connecting sleeve 4 is rotated at the middle position of the bottom end inside the square frame 1, a screw rod 5 is connected with the screw rod 5 through threads inside the sleeve 4, the screw rod 5 extends out of the upper side of the sleeve 4, a pipe body 6 is arranged at the upper end of the screw rod 5, the pipe body 6 is positioned in the square frame 1, first pressing heads 3 are respectively attached to the left end and the right end of the pipe body 6, a cylinder body of an electric push rod 2 is fixedly connected to the middle positions of the left end and the right end of the square frame 1, a piston rod of the electric push rod 2 penetrates through the square frame 1 and is fixedly connected with the first pressing heads 3, a stud 7 and a stud 7 are attached to the upper end of the pipe body.

Specifically, firstly, the electric push rod 2 is connected with an external power supply, then the pipe body 6 is butted and placed in the square frame 1, the pipe body 6 is positioned between the two first pressure heads 3, then the electric push rod 2 is started through a control switch, a piston rod of the electric push rod 2 moves inwards, so that the two first pressure heads 3 are driven to move inwards, the pipe body 6 is pressed and held leftwards and rightwards, then the sleeve 4 is rotated, the sleeve 4 is in threaded connection with the screw rod 5, the screw rod 5 moves upwards along the sleeve 4 when the sleeve 4 rotates, so that the support plate 51 is driven to move upwards, the support plate 51 is attached to the lower side arc surface of the pipe body 6, the pipe body 6 can be supported, the upper and lower positions of the support plate 51 can also be adjusted, the pipe bodies 6 with different diameters can be supported, the use range is enlarged, then the stud 7 is rotated, and the stud 7 is in threaded connection, therefore, the stud 7 rotates and moves downwards at the same time, then the second pressure head 71 is driven to move downwards, then the second pressure head 71 and the support plate 51 can press and hold the tube body 6 up and down, then the butt joint position of the tube body 6 can be welded, the welding position of the tube body 6 is effectively prevented from deforming, and the product quality is improved.

The third through groove 13 is seted up to square frame 1 upper end and third through groove 13 runs through square frame 1 top from the top down, and the inside sliding connection movable block 8 of third through groove 13 and movable block 8 can remove about through groove 13 along the third, specifically, enables movable block 8 and removes about through groove 13 along the third to drive double-screw bolt 7 and remove, and then realize adjusting second pressure head 71 and hold the position to body 6 pressure, increase application range.

First logical groove 11 and first logical groove 11 department are seted up to 1 front end upper end edge position of square frame at the 8 front ends of movable block, 8 front end intermediate position threaded connection fastening bolt 81 of movable block, fastening bolt 81 sets up and just passes first logical groove 11 and be connected with movable block 8 in 1 front end upper side of square frame, specifically, after movable block 8 adjusts suitable position, turn round fastening bolt 81 to utilize fastening bolt 81 to fasten movable block 8.

The second that leads to groove 12 and second and lead to groove 12 and locate at the movable block 8 rear end is seted up to 1 rear end upper end edge position of square frame, and 8 rear end fixed connection sliders and slider sliding connection of movable block are in second lead to groove 12, specifically, move the in-process at movable block 8, can make the slider remove about leading to groove 12 along the second, realize the direction function.

First pressure head 3 is close to electric putter 2's one end fixed connection pole 31, and the screw hole is seted up at the top of electric putter 2's piston rod, and screw hole internal thread erection joint pole 31, electric putter 2's piston rod pass through connecting rod 31 and screw hole with first pressure head 3 to be connected, specifically, can the first pressure head 3 of quick assembly disassembly, realize changing different first pressure heads 3 for satisfy the 6 uses of body of different diameters.

The upper end of the screw rod 5 is fixedly connected with the support plate 51, the support plate 51 is attached to the lower side arc surface of the pipe body 6, the cross section of the support plate 51 is arc-shaped, and particularly, the support plate 51 is attached to and supports the pipe body 6.

Body 6 includes left pipe 61 and right pipe 62, left pipe 61 right-hand member from left to right sets gradually first upper shed 611, first transition fracture 612 and first lower shed 613, right pipe 62 left-hand member from left to right sets gradually second lower shed 623, second transition fracture 622 and second upper shed 621, first upper shed 611 and the closed butt joint of second lower shed 623, first transition fracture 612 and the closed butt joint of second transition fracture 622, first lower shed 613 and the closed butt joint of second upper shed 621, specifically, make the butt joint position of body 6 of different board thicknesses, with the inner wall parallel and level, the groove form of adjacent orificial is unanimous, be convenient for weld, promote welding quality.

The lower end of the stud 7 is in threaded connection with the threaded sleeve and extends into the threaded sleeve, the lower end of the threaded sleeve is fixedly connected with the second pressure head 71, the second pressure head 71 is attached to the arc-shaped surface on the pipe body 6, the cross section of the second pressure head 71 is arc-shaped, and particularly the second pressure head 71 can be quickly disassembled and assembled by utilizing the threaded sleeve.

Example 2: body 6 still includes straight tube 601, and straight tube 601 upper end laminating standpipe 602, standpipe 602 upper end laminating second pressure head 71, second pressure head 71 outward appearance are discoid, specifically, at first change second pressure head 71 through the screw sleeve, place straight tube 601 again in square frame 1 and make straight tube 601 be in two straight tube 601

Between first pressure head 3, then start electric putter 2 through control switch, make electric putter 2's piston rod inwards move, thereby drive two first pressure heads 3 inwards movement, and then press straight tube 601 to hold, then rotate sleeve 4, make screw rod 5 along the interior upwards movement of sleeve 4, thereby drive backup pad 51 upwards movement, then make backup pad 51 and the laminating of 6 downside arcwall faces of body, the realization supports body 6, then place the groove position of straight tube 601 and dock with standpipe 602, then rotate double-screw bolt 7, make second pressure head 71 downwards movement, then press standpipe 602 downwards at second pressure head 71, then weld at the butt joint position, effectively prevent that welding position from taking place to warp, promote product quality.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a butt joint of steel pipe is with welding frock which characterized in that: including square frame, the connecting sleeve is rotated to the inside bottom intermediate position of square frame, the inside threaded connection screw rod of sleeve and screw rod extend the sleeve upside, the screw rod upper end sets up body and is in square frame, first pressure head of both ends all laminating about the body, the equal fixed connection electric putter's of both ends intermediate position barrel about square frame, electric putter's piston rod pass square frame and with first pressure head fixed connection, body upper end laminating double-screw bolt and double-screw bolt extend square frame upside, double-screw bolt annular outside threaded connection movable block, movable block sliding connection is in square frame top.

2. The welding tool for the butt joint of the steel pipes according to claim 1, characterized in that: the square frame upper end is seted up the third and is led to the groove and the third tee bend groove runs through square frame top from the top down, the inside sliding connection movable block of third tee bend inslot and movable block can remove about along the third tee bend groove.

3. The welding tool for the butt joint of the steel pipes according to claim 1, characterized in that: the square frame front end upper side edge position is seted up first logical groove and is located the movable block front end, movable block front end intermediate position threaded connection fastening bolt, fastening bolt sets up at square frame front end upside and passes first logical groove and be connected with the movable block.

4. The welding tool for the butt joint of the steel pipes according to claim 1, characterized in that: a second through groove is formed in the upper side edge position of the rear end of the square frame and is located at the rear end of the movable block, and the rear end of the movable block is fixedly connected with a sliding block which is connected into the second through groove in a sliding mode.

5. The welding tool for the butt joint of the steel pipes according to claim 1, characterized in that: the first pressure head is close to one end fixed connecting rod of the electric push rod, a threaded hole is formed in the top of a piston rod of the electric push rod, a connecting rod is installed in the threaded hole, and the piston rod of the electric push rod is connected with the first pressure head through the connecting rod and the threaded hole.

6. The welding tool for the butt joint of the steel pipes according to claim 1, characterized in that: the upper end of the screw is fixedly connected with the supporting plate and the supporting plate is attached to the arc surface on the lower side of the pipe body, and the cross section of the supporting plate is arc-shaped.

7. The welding tool for the butt joint of the steel pipes according to claim 1, characterized in that: the body includes left pipe and right pipe, left side pipe right-hand member from left to right sets gradually first upper shed, first transition fracture and first under shed, right side pipe left end from left to right sets gradually second under shed, second transition fracture and second upper shed, first upper shed and the closed butt joint of second under shed, the closed butt joint of first transition fracture and second transition fracture, the closed butt joint of first under shed and second upper shed.

8. The welding tool for the butt joint of the steel pipes according to claim 1, characterized in that: the double-screw bolt lower extreme threaded connection screw sleeve just extends into in the screw sleeve, screw sleeve lower extreme fixed connection second pressure head and second pressure head laminating side arc face on the body, the arc is personally submitted to the second pressure head is transversal.

9. The welding tool for the butt joint of the steel pipes according to claim 1, characterized in that: the pipe body further comprises a straight pipe, the upper end of the straight pipe is attached to the vertical pipe, the upper end of the vertical pipe is attached to the second pressure head, and the second pressure head is disc-shaped in appearance.