CN212858395U

CN212858395U - Welding fixing device of square pipe

Info

Publication number: CN212858395U
Application number: CN202021377915.1U
Authority: CN
Inventors: 马剑锋; 韩李英
Original assignee: QINGDAO WUXIAO GROUP CO Ltd
Current assignee: QINGDAO WUXIAO GROUP CO Ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-04-02
Anticipated expiration: 2030-07-14

Abstract

The utility model relates to a welding and fixing device of square pipe, which comprises a stand, a clamp mechanism and a linkage mechanism, wherein the clamp mechanism comprises a positioning inner frame, an outer frame and a ball bearing, the inner frame is fixed on the inner ring of the ball bearing, the outer ring of the ball bearing is welded on the inner wall of the outer frame, the inner frame comprises a square clamp and a tubular shaft barrel, and a driven fluted disc is arranged on the shaft barrel; the link gear includes pedestal, pivot and drive fluted disc, the pivot is rotated through bearing and is connected on the pedestal, drive fluted disc fixed mounting in the pivot, be equipped with the concatenation groove on the pallet, anchor clamps mechanism splices on the pallet through outrigger below frame board, the link gear passes through pedestal fixed connection on the pallet. The welding and fixing device of the square pipe can realize the axial synchronous rotation of the two pipe fittings, so that the end part of the pipe fitting is dynamically exposed to the front of the operation surface of the butt joint, the butt welding operation of the pipe fittings is obviously simplified, and the processing efficiency of the pipe fittings is improved.

Description

Welding fixing device of square pipe

Technical Field

The utility model relates to a pipe fitting processing technology field, concretely relates to welded fastening device of square pipe.

Background

The welding mode of the existing square pipe is that the end parts of two square pipes to be welded are butt-jointed and fixed and then welded in a three-way mode, the lower end of the square pipe cannot be just welded due to the fact that the lower end of the square pipe is close to a table top, the square pipe needs to be taken out, turned over and then fixed again, and repaired mouth welding is carried out, operation steps are multiple, welding guns move frequently, and therefore workload is increased and machining efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: make up the above-mentioned not enough of current welded fastening frock, provide one kind and can be on the basis of pipe fitting fixed function, drive two pipe fitting axial synchronous rotations for the whole welded fastening device who exposes the square pipe of the welding operation of being convenient for of butt joint.

In order to solve the technical problem, the welding and fixing device of the square pipe comprises a stand, a pair of clamp mechanisms arranged on the stand and used for fixing the square pipe, and a linkage mechanism arranged on the stand and used for driving the two clamp mechanisms to synchronously act, wherein each clamp mechanism comprises a positioning inner frame, an outer frame and a ball bearing, the inner frame is fixed on an inner ring of the ball bearing, an outer ring of the ball bearing is welded on the inner wall of the outer frame, the inner frame comprises a square clamp and a tubular shaft barrel, and a driven fluted disc is arranged on the shaft barrel; the link gear includes pedestal, pivot and drive fluted disc, the pivot is rotated through bearing and is connected on the pedestal, drive fluted disc fixed mounting in the pivot, be equipped with the concatenation groove on the pallet, anchor clamps mechanism splices on the pallet through outrigger below frame board, the link gear passes through pedestal fixed connection on the pallet.

For strengthening the weighing capacity of the stand on the premise of saving materials for the stand, the cross section of the stand is trapezoidal, and supporting square steel is arranged in the central part of the inner cavity of the stand.

In order to correct the levelness of the clamp in the roller bearing and facilitate the butt joint of steel pipes, the top of the outer frame is provided with a threaded hole, a correcting bolt for supporting and correcting the top surface of the clamp is arranged in the threaded hole, and the end part of the correcting bolt is provided with a correcting block; the clamp is characterized in that a threaded hole is formed in the side face of the clamp, a fastening bolt used for propping up a fixed band welding square tube is arranged in the threaded hole in a matched mode, and a pressing block is arranged at the end portion of the fastening bolt.

In order to realize the synchronous action of the two square pipes under the manual control, two ends of the rotating shaft are provided with cranks used for controlling the driving fluted disc to rotate.

The utility model relates to a welded fastening device of square pipe forms the motion anchor clamps structure through anchor clamps ball bearing cup joints interior outrigger on the basis of pipe fitting fixed function, and cooperation link gear realizes two pipe fitting axial synchronous rotations, and then makes pipe fitting tip to the seam developments expose the operating surface dead ahead, is showing the operation of simplifying the pipe fitting butt welding, has promoted the efficiency of pipe fitting processing.

Drawings

The following is a description of the welding and fixing device for square pipes of the present invention with reference to the accompanying drawings:

FIG. 1 is a schematic front plan view of the weld fixture of the tube of the present embodiment;

FIG. 2 is a schematic left side plan view of the tube welding fixture of the present embodiment;

FIG. 3 is a top plan view of the tube welding fixture of the present embodiment;

fig. 4 is a perspective view of the welding fixture for the tube of the present embodiment.

In the figure:

1-a stand; 11-splicing grooves and 12-supporting square steel;

2-a clamping mechanism; 21-inner frame, 22-outer frame, 23-ball bearing; 211-a clamp, 212-a shaft barrel, 213-a driven fluted disc, 214-a fastening bolt, 215-a pressing block, 221-a correcting bolt and 222-a correcting block;

3-a linkage mechanism; 31-shaft bracket, 32-rotating shaft, 33-driving fluted disc, 34-bearing and 35-crank.

Detailed Description

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Embodiment 1: as shown in fig. 1 to 4, the welding and fixing device of the present invention includes a stand 1, a pair of clamp mechanisms 2 disposed on the stand 1 for fixing a square pipe, and a linkage mechanism 3 disposed on the stand 1 for driving the two clamp mechanisms 2 to synchronously operate, wherein the clamp mechanism 2 includes a positioning inner frame 21, an outer frame 22, and a ball bearing 23, the inner frame 21 is fixed on an inner ring of the ball bearing 23, an outer ring of the ball bearing 23 is welded on an inner wall of the outer frame 22, the inner frame 21 includes a square clamp 211 and a tubular shaft tube 212, and a driven fluted disc 213 is disposed on the shaft tube 212; link gear 3 includes pedestal 31, pivot 32 and drive fluted disc 33, pivot 32 rotates through bearing 34 to be connected on the pedestal 31, drive fluted disc 33 fixed mounting be in on the pivot 32, be equipped with on the pallet 1 and assemble groove 11, anchor clamps mechanism 2 is inserted on pallet 1 through the shelf board below outrigger 22, link gear 3 is through pedestal 31 fixed connection on pallet 1.

The section of the stand 1 is trapezoidal, and the supporting square steel 12 is arranged in the central part of the inner cavity of the stand 1. The weighing capacity of the stand is enhanced on the premise of saving materials for the stand.

The top of the outer frame 22 is provided with a threaded hole, a correcting bolt 221 for supporting and correcting the top surface of the clamp 211 is arranged in the threaded hole, and a correcting block 222 is arranged at the end part of the correcting bolt 221; the side surface of the clamp 211 is provided with a screw hole, a fastening bolt 214 for supporting and fixing a welding square tube is arranged in the screw hole, and the end part of the fastening bolt 214 is provided with a pressing block 215. The levelness of the clamp used for correcting the roller bearing is convenient for butt joint of the steel pipes.

And two ends of the rotating shaft 32 are provided with cranks 35 for controlling the driving fluted disc 33 to rotate. The synchronous rotation action of the two square pipes is manually controlled.

Embodiment 2: the crank 35 can be replaced by a structure form that the motor is connected with the rotating shaft 32 through a coupler, and then full-automatic operation of welding construction is realized on the basis that a welding gun does not need to be operated. The remaining components and structures are as described in embodiment 1, but omitted.

When the welding device is used, the two clamp mechanisms slide downwards to the outer side, the correcting bolts are used for correcting the flatness of the clamps, the two square pipes to be welded are respectively installed at the two square pipes to be welded, the driven fluted disc is meshed with the driving fluted disc when the square pipes are slid downwards, the fastening bolts are screwed after the square pipes are adjusted inwards and outwards to butt the pipe ends, the correcting bolts are withdrawn, the butt joint gap of the square pipes in the process of hand cranking can be circumferentially rotated to the front end, a welding gun is fixed at the joint position at the moment, and the joint full-circle welding can be realized.

On the basis of the pipe fitting fixing function, the welding fixing device of the square pipe is connected with the inner frame and the outer frame through the clamp ball bearing in a sleeved mode to form a moving clamp structure, the two pipe fittings are axially and synchronously rotated in a matched linkage mechanism, the end portions of the pipe fittings are exposed to the front of an operation surface in a dynamic mode, the operation of butt welding of the pipe fittings is obviously simplified, and the efficiency of pipe fitting machining is improved.

The above description shows the main features, the basic principles, and the advantages of the invention. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments or examples, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The foregoing embodiments or examples are therefore to be considered in all respects illustrative and not restrictive. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that 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 welded fastening device of square pipe, characterized by: comprises a stand (1), a pair of clamp mechanisms (2) arranged on the stand (1) and used for fixing a square pipe, and a linkage mechanism (3) arranged on the stand (1) and used for driving the two clamp mechanisms (2) to synchronously act, wherein,

the clamp mechanism (2) comprises a positioning inner frame (21), an outer frame (22) and a ball bearing (23), the inner frame (21) is fixed on an inner ring of the ball bearing (23), an outer ring of the ball bearing (23) is welded on the inner wall of the outer frame (22), the inner frame (21) comprises a square clamp (211) and a tubular shaft barrel (212), and a driven fluted disc (213) is arranged on the shaft barrel (212);

the linkage mechanism (3) comprises a shaft bracket (31), a rotating shaft (32) and a driving fluted disc (33), the rotating shaft (32) is rotatably connected on the shaft bracket (31) through a bearing (34), the driving fluted disc (33) is fixedly arranged on the rotating shaft (32),

be equipped with on stand (1) and piece together dress groove (11), anchor clamps mechanism (2) are pieced together through outrigger (22) below frame board and are inserted on stand (1), link gear (3) are through pedestal (31) fixed connection on stand (1).

2. The welding and fixing device for the square pipe according to claim 1, wherein: the section of the stand (1) is trapezoidal, and the supporting square steel (12) is arranged in the central part of the inner cavity of the stand (1).

3. The welding and fixing device for the square pipe according to claim 2, wherein: the top of the outer frame (22) is provided with a threaded hole, a correcting bolt (221) for supporting and correcting the top surface of the clamp (211) is arranged in the threaded hole, and a correcting block (222) is arranged at the end part of the correcting bolt (221); the side surface of the clamp (211) is provided with a screw hole, a fastening bolt (214) used for propping and fixing a welding square tube is arranged in the screw hole, and the end part of the fastening bolt (214) is provided with a pressing block (215).

4. The welding and fixing device for the square pipe according to claim 3, wherein: and cranks (35) used for controlling the driving fluted disc (33) to rotate are arranged at the two ends of the rotating shaft (32).