CN210499046U

CN210499046U - Welding tool

Info

Publication number: CN210499046U
Application number: CN201921682473.9U
Authority: CN
Inventors: 黄振飞; 阳波; 全之龙
Original assignee: CRSC Railway Vehicle Co Ltd
Current assignee: CRSC Railway Vehicle Co Ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-05-12
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses a welding tool, a first support frame which is horizontally arranged and a compressing component which is used for clamping a workpiece to be welded; the compression assembly is rotatably connected to one end of the first support frame, and the rotating axis of the compression assembly is the same as the extending direction of the first support frame; and a locking part used for locking the relative rotation angle of the compression assembly and the first support frame is also arranged between the compression assembly and the first support frame. The relative angle between the first support frame and the pressing assembly is adjusted, the workpieces to be welded, clamped by the pressing assembly, are installed towards different directions, the welding tool is guaranteed to meet the clamping requirements of flat welding, overhead welding and vertical welding on the same station, and the field is saved.

Description

Welding tool

Technical Field

The utility model relates to a welding field especially relates to a welding frock.

Background

The existing welding auxiliary tool is only suitable for one or more welding operations, and in order to meet various welding requirements, workpieces to be welded are required to be clamped on a plurality of platforms or tools, so that the efficiency is low, and the occupied space is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a welding frock has assembled multiple welding operation's operating position on a station, and can quick adjustment between a plurality of operating position, practices thrift the place.

In order to achieve the purpose, the utility model provides a welding tool, which comprises a first support frame horizontally arranged and a pressing component used for clamping a workpiece to be welded; the compression assembly is rotatably connected to one end of the first support frame, and the rotating axis of the compression assembly is the same as the extending direction of the first support frame; and a first locking part used for locking the relative rotation angle of the compression assembly and the first support frame is further arranged between the compression assembly and the first support frame.

Preferably, the clamping assembly comprises a butt-joint clamping assembly for clamping a butt-welded workpiece; the locking part comprises a first locking part for locking the first support frame and the butt joint pressing component;

the butt joint pressing assembly comprises a bottom plate, a base plate and a pair of pressing plates; the base plate is provided with a plurality of pressing plate fixing parts along the circumferential direction, and the pressing plates are pressed towards the base plate through any pair of oppositely arranged pressing plate fixing parts.

Preferably, both sides of any pressure plate are provided with pressure plate bolt holes; the pressing plate fixing part is specifically a locking bolt inserted into the pressing plate bolt hole and the bottom plate bolt hole of the bottom plate.

Preferably, the butt joint compression assembly is further provided with a first flange plate; one end of the first support frame is provided with a second flange plate; the first flange plate and the second flange plate are fixedly connected through flange plate bolts.

Preferably, the first support frame comprises a rotating outer pipe and a rotating inner pipe which are coaxially sleeved; the first locking part is a locking pin; the rotating outer pipe and the rotating inner pipe are both provided with a plurality of bolt holes which are surrounded along the radial direction and used for inserting the locking pins.

Preferably, the number of the bolt holes of the rotating inner pipe is at least four, and the four bolt holes are uniformly distributed along the circumference of the pipe wall of the rotating inner pipe.

Preferably, the pressing assembly comprises a corner joint pressing assembly which is connected to the other end of the first support frame and used for clamping a corner welding workpiece; the locking part also comprises a second locking part for locking the first support frame and the corner joint pressing component;

two ends of the rotating outer pipe are respectively sleeved with two rotating inner pipes; one rotating inner pipe is fixedly connected with the butt joint pressing assembly, and the other rotating inner pipe is fixedly connected with the angle joint pressing assembly.

Preferably, the angle joint pressing assembly comprises an angle joint backing plate and an angle joint pressing plate which are arranged at intervals; the angle joint pressing plate is provided with a pressing bolt which is screwed in and out towards the angle joint base plate for supporting the angle welding workpiece.

Preferably, the lower end of the rotating outer tube is fixedly connected with a second support frame which is vertically arranged and used for lifting and/or rotating the rotating outer tube and the two rotating inner tubes.

Preferably, the second support frame comprises an upright post outer tube and an upright post inner tube which are coaxially sleeved; the locking part comprises a third locking part for locking the upright post outer pipe and the upright post inner pipe; the upright post outer pipe and the upright post inner pipe are respectively provided with a plurality of upright post holes which are arranged along the axial direction and used for inserting the third locking parts.

Compared with the prior art, the welding tool provided by the utility model comprises a first support frame horizontally arranged and a pressing component used for clamping a workpiece to be welded, and the rotating axis of the pressing component is the same as the extending direction of the first support frame; a locking part for locking the relative rotation angle of the first support frame and the pressing component is further arranged between the first support frame and the pressing component.

After the welding tool is used for clamping a workpiece to be welded, the relative angle between the pressing assembly and the first support frame is adjusted according to the type of welding operation, the first support frame and the pressing assembly are locked through the locking part, the operation positions of various welding operations are quickly changed on the same station, and the field is saved. For example, the welding area of the workpiece to be welded is distributed upwards horizontally, so that flat welding is realized; the welding areas of the workpieces to be welded are distributed downwards horizontally to realize overhead welding, and the welding areas of the workpieces to be welded are distributed vertically towards the front side or the rear side to realize vertical welding.

Drawings

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

Fig. 1 is a schematic structural diagram of a welding tool according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a pair of pressing plates of the docking and compressing assembly according to the embodiment of the present invention when assembled along a first direction;

fig. 3 is a schematic structural diagram of the assembly of a pair of pressing plates of the docking and compressing assembly according to the embodiment of the present invention along the second direction;

fig. 4 is a schematic structural diagram of an angle joint compressing assembly according to an embodiment of the present invention;

the device comprises a rotating outer pipe 1, a rotating inner pipe 2, an upright outer pipe 3, an upright inner pipe 4, an upright hole 5, a butt joint pressing assembly 6, a bottom plate 61, a pressing plate 62, a backing plate 63, a first flange plate 64, a locking bolt 65, an angle joint pressing assembly 7, an angle joint backing plate 71, an angle joint pressing plate 72, a pressing bolt 73, a second flange plate 8, a flange plate bolt 9, a base 10 and a reinforcing rib 11.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a welding tool according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a pair of pressing plates of the docking and compressing assembly according to the embodiment of the present invention when assembled along a first direction; fig. 3 is a schematic structural diagram of the assembly of a pair of pressing plates of the docking and compressing assembly according to the embodiment of the present invention along the second direction; fig. 4 is a schematic structural diagram of the corner joint compressing assembly according to the embodiment of the present invention.

The utility model provides a welding tool, which comprises a first support frame; the clamping device comprises a pressing component which is rotatably connected to one end of a first supporting frame and used for clamping a workpiece to be welded, and a locking part arranged between the pressing component and the first supporting frame.

The rotating axis of the pressing assembly is the same as the extending direction of the first support frame, the pressing assembly is locked by the locking part after being rotated, and the pressing assembly can be fixed by taking the first support frame as the rotating axis according to different angles.

When the welding area of the workpiece to be welded, which is clamped by the pressing component, is horizontally upward, the welding device can be used for flat welding; the pressing assembly is turned over by 180 degrees on the basis of the operation position, so that the welding areas of the workpieces to be welded, which are clamped by the pressing assembly, are distributed in a horizontal direction and can be used for overhead welding; and the pressing assembly is turned over by +/-90 degrees on the basis of the operation position, so that the welding area of the workpiece to be welded, which is clamped by the pressing assembly, is vertically distributed towards the front side or the rear side, and the workpiece to be welded can be used for vertical welding.

The clamping device has the advantages that the clamping device is rotated and pressed relative to the first support frame, so that the welding workpiece can be quickly adjusted at various positions on one station, the clamping requirements of flat welding, overhead welding and vertical welding can be met, and the field is saved.

The following provides a further description of the welding tool according to the present invention with reference to the accompanying drawings and the embodiments.

Welding mode commonly used has butt welding and fillet weld, the utility model provides a welding frock for butt welding, compresses tightly the subassembly and compresses tightly subassembly 6 including the butt joint that is used for dress card butt welding work piece.

The butt-clamping assembly 6 includes a base plate 61, a backing plate 63, and a pair of pressure plates 62. When the butt joint pressing assembly 6 fixes the butt welding workpieces, two adjacent inner sides of the pair of pressing plates 62 are arranged at intervals, so that the butt welding workpieces covered by the pressing plates 62 are exposed to form a narrow and long welding area, the backing plate 63 is just lined at the back side of the welding area, and one side of the backing plate 63 is tightly attached to the butt welding workpieces, and the other side of the backing plate 63 is tightly attached to the bottom plate 61.

The base plate 61 is provided with a plurality of pressure plate fixing portions along the circumferential direction, and the pair of base plates 61 can be clamped by any pair of opposite pressure plate fixing portions, so that the installation angle of the butt-welded workpiece relative to the base plate 61 is adjusted.

When the end surface of the bottom plate 61, which is provided with the pressure plate 62, is arranged horizontally upwards, a worker can finish the flat welding of a welding workpiece along a welding area; on the basis of the installation angle, the butt joint pressing assembly 6 is turned over by 180 degrees up and down, and then a worker can complete overhead welding of a welding workpiece along a welding area.

When the end face of the bottom plate 61 on which the pressing plate 62 is mounted is arranged horizontally upward, if the butt-welded workpiece fixed by the pressing plate 62 extends along the extending direction of the first support frame (as shown in fig. 2), at this time, the butt-joint pressing assembly 6 is rotated by 90 °, the welding area is arranged horizontally toward the front side or the rear side, and at this time, a worker can complete transverse welding of the butt-welded workpiece along the welding area; if the butt-welding workpiece fixed by the pressing plate 62 extends in a direction perpendicular to the extending direction of the first support frame (as shown in fig. 3), and the butt-welding pressing assembly 6 is rotated by 90 °, the welding area is vertically disposed toward the front side or the rear side, and the worker can perform vertical up-welding and vertical down-welding on the butt-welding workpiece along the welding area.

The pressing plate 62 is pressed on the upper side of the butt welding workpiece, the backing plate 63 is lined on the lower side of the butt welding workpiece, the pressing plate 62, the butt welding workpiece and the backing plate 63 can be freely detached, the butt welding workpiece is convenient and quick to maintain, replace and recycle, the rigid fixing effect of the butt welding workpiece is good, and the welding deformation of the butt welding workpiece can be effectively controlled in the welding process.

The butt joint compressing assembly 6 adopts a fastener to clamp a butt welding workpiece. Illustratively, both sides of any one of the pressure plates 62 are provided with pressure plate bolt holes, a plurality of locking bolts 65 are correspondingly inserted into the four pressure plate bolt holes of the two pressure plates 62 one by one, and the butt-welded workpiece and the backing plate 63 are restrained between the inner sides of the four pressure plate bolt holes of the two pressure plates 62; the surface of the base plate 61 may be provided with a plurality of base plate bolt holes corresponding to the platen bolt holes.

In addition to simplifying the difficulty of clamping the welded workpiece, a flange may be provided between the butting compression assembly 6 and the first support frame, thereby simplifying the connection of the butting compression assembly 6 and the first support frame. For example, a first flange plate 64 is arranged at the end of the butting compression assembly 6, a second flange plate 8 is arranged at the end of the first supporting frame, and the first flange plate 64 and the second flange plate 8 are quickly disassembled and assembled through flange plate bolts 9.

In order to simplify the adjustment mode of the first support frame and the butt joint compression assembly 6, the first support frame provided by the application comprises a rotary outer pipe 1 and a rotary inner pipe 2 which are coaxially adjusted, wherein the rotary outer pipe 1 and the rotary inner pipe 2 are respectively provided with a plurality of bolt holes which are radially surrounded; the first locking portion is embodied as a locking pin inserted along a latch hole of the rotary outer pipe 1 and a latch hole of the rotary inner pipe 2.

When the relative rotation of the first supporting frame and the butt joint pressing assembly 6 is adjusted, the locking pin is pulled out from the bolt hole of the rotary inner pipe 2 and the bolt hole of the rotary outer pipe 1, so that the rotatable one of the rotary inner pipe 2 and the rotary outer pipe 1 rotates around the fixed one, or rotates 180 degrees or rotates 90 degrees, and of course, the rotary inner pipe and the rotary outer pipe can also rotate by different angles according to the special requirements of butt welding operation.

After the relative rotation angle of the first support frame and the butt joint pressing assembly 6 is adjusted, the locking pin is inserted into a bolt hole at one side, aligned with each other, of the rotating inner tube 2 and the rotating outer tube 1, the tail end of the locking pin extends out of a bolt hole at the other side, the rotating inner tube 2 and the rotating outer tube 1 penetrate through simultaneously, therefore, the rotation freedom degree of the rotating inner tube 2 and the rotating outer tube 1 around the axis and the movement freedom degree of the rotating inner tube 1 along the axis are restrained, and the first support frame and the butt joint pressing assembly 6 are fixed relatively.

Because butt welding operation is mainly divided into horizontal welding, overhead welding and vertical welding, among the four welding modes, the horizontal welding requires that one side of the bottom plate 61 for fixing a butt welding workpiece faces upwards horizontally, the overhead welding requires that one side of the bottom plate 61 for fixing the butt welding workpiece faces downwards horizontally, and the horizontal welding and vertical welding require that one side of the bottom plate 61 for fixing the butt welding workpiece faces forwards or backwards, it can be seen that in order to complete the four welding operations, the rotating inner tube 2 and the rotating outer tube 1 which are fixed through the locking pins at least have several relative rotating angles of 0 degrees, plus or minus 90 degrees and 180 degrees; wherein 0 ° is arranged horizontally upward corresponding to the side of the bottom plate 61 where the butt-welded workpiece is fixed.

Illustratively, the rotating outer tube 1 of the first support frame is fixed, and the rotating inner tube 2 is inserted into the rotating outer tube 1 to rotate; at this time, at least four bolt holes are formed in the rotary inner pipe 2, and the four bolt holes are uniformly distributed along the circumference of the pipe wall of the rotary inner pipe 2.

Because the rotating outer pipe 1 is sleeved outside the rotating inner pipe 2 and is fixed, two opposite bolt holes can be arranged on the pipe wall of the rotating outer pipe 1, and the locking pins are inserted into the rotating outer pipe 1 at the same angle all the time; more than two pin holes may be provided so that the locking pins are inserted into the rotating outer tube 1 at different angles.

In the second welding tool provided by the application, the pressing assembly further comprises a corner joint pressing assembly 7 used for clamping a corner welding workpiece, and the locking portion further comprises a second locking portion used for locking the first support frame and the corner joint pressing assembly 7. Wherein the second locking portion is settable with reference to the first locking portion.

The first support frame comprises a rotary outer pipe 1 and two rotary inner pipes 2, the two rotary inner pipes 2 are respectively inserted into two ends of the rotary outer pipe 1 to realize rotary connection, and correspondingly, the butt joint pressing assembly 6 and the angle joint pressing assembly 7 are respectively connected to the two rotary inner pipes 2.

The fillet compression assembly 7 can be realized by any tool used for clamping fillet welding workpieces in the prior art.

In this embodiment, a first locking portion is provided between one rotary inner tube 2 and the rotary outer tube 1, and a second locking portion is provided between the other rotary inner tube 2 and the rotary outer tube 1; the first locking part close to one side of the butt joint pressing assembly 6 is used for adjusting the relative rotation angle between the rotating inner tube 2 and the rotating outer tube 1 on the side, so that the flat welding, the transverse welding, the overhead welding and the vertical welding of a welding workpiece are realized, and correspondingly, the second locking part close to one side of the angle joint pressing assembly 7 is used for adjusting the relative rotation angle between the rotating inner tube 2 and the rotating outer tube 1 on the side, so that the flat welding, the overhead welding and the vertical welding of the angle welding workpiece are realized.

The end part of the angle joint pressing assembly 7 can be provided with a third flange plate, the other end part of the first support frame is provided with a fourth flange plate, and the third flange plate and the fourth flange plate are also detachably connected by adopting flange plate bolts 9.

The following provides a specific embodiment of the fillet pressing assembly 7, which comprises a fillet cushion plate 71 and a fillet pressing plate 72 which are arranged at intervals, wherein a pressing bolt 73 is arranged in the fillet pressing plate 72, and the pressing bolt 73 is screwed in and out towards the fillet cushion plate 71 and is used for pressing one corner of a fillet welding workpiece extending between the fillet pressing plate 72 and the fillet cushion plate 71 towards the fillet cushion plate 71, so that the fillet welding workpiece is fixed on the upper end surface of the fillet cushion plate 71.

It should be noted that the welding area of the fillet welding workpiece is located at the boundary of two corners, and after one corner of the fillet welding workpiece is inserted between the fillet pressing plate 72 and the fillet welding backing plate 71, the welding area of the fillet welding workpiece is close to the outer edge of the fillet welding backing plate 71. Depending on the direction of chucking of the fillet welded work piece, the weld area is either toward the fillet clamp 72 or away from the fillet clamp 72.

The number of the pressing bolts 73 in this embodiment may be set to two or more, and the length of any one of the pressing bolts 73 is longer than the distance between the gusset plate 72 and the gusset plate 71.

The welding tool further comprises a second support frame arranged at the lower end of the first support frame; the second support frame is vertically arranged, and the upper end face of the second support frame is fixed on the first support frame and used for lifting and/or rotating the first support frame.

In the embodiment, the second support frame is added on the basis of the first support frame, the second support frame can adjust the height of the first support frame in a telescopic mode, can also be rotatably connected in a mode of setting a rotating shaft and the like to adjust the angle of the first support frame in the horizontal plane, and can also adjust the height and the angle.

In order to simplify the arrangement, the second support frame may be arranged according to the structural principle of the first support frame, for example, the second support frame includes an outer column tube 3 and an inner column tube 4 that are coaxially sleeved, the locking portion includes a third locking portion for locking the outer column tube 3 and the inner column tube 4, and the outer column tube 3 and the inner column tube 4 are respectively provided with a plurality of column holes 5 that are axially arranged and used for inserting the third locking portion.

The plurality of column holes 5 of the column outer tube 3 may be arranged in the radial direction simultaneously in addition to the axial direction. The upright post holes 5 arranged along the axial direction are used for adjusting the relative heights of the upright post outer tube 3 and the upright post inner tube 4, so that the first support frame is lifted; the upright post holes 5 arranged along the radial direction are used for adjusting the relative rotating angle of the upright post outer tube 3 and the upright post inner tube 4, so that the first support frame can rotate in the horizontal plane.

The stand inner tube 4 of second support frame can be fixed in rotatory outer tube 1 mid point below, and stand outer tube 3 is fixed in work plane such as place, can rise and fall the pressure components who is connected in first support frame tip through the relative height of adjustment stand inner tube 4 and stand outer tube 3, can also rotate and rotate first support frame in the horizontal plane to treat welding workpiece's height and angle of nimble adjustment according to factors such as workman's height, operation content, operation platform.

In order to conveniently move and assemble the welding tool, the lower end of the second support frame is fixedly connected with the base 10, the mass and the volume of the base 10 are generally large, the gravity center of the welding tool can be adjusted, and the base 10, the first support frame and the second support frame are kept balanced.

The second support frame is perpendicular to base 10, and in order to improve the joint strength and the stability of second support frame and base 10, be provided with multichannel strengthening rib 11 between the up end of second support frame and base 10, whole strengthening ribs 11 extend downwards from the week incline of second support frame.

Aiming at the connection mode of the base 10 and the second support frame, a connecting sleeve can be arranged at the center of the upper end face of the base 10, and all reinforcing ribs 11 are arranged around the connecting sleeve; the radial dimension of the connecting sleeve is not smaller than that of the second support frame, and the tail end of the second support frame is inserted into the connecting sleeve to realize clearance fit or interference fit.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

It is right above the utility model provides a welding frock has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A welding tool is characterized by comprising a first support frame and a pressing assembly, wherein the first support frame is horizontally arranged, and the pressing assembly is used for clamping a workpiece to be welded; the compression assembly is rotatably connected to one end of the first support frame, and the rotating axis of the compression assembly is the same as the extending direction of the first support frame; and a locking part used for locking the relative rotation angle of the compression assembly and the first support frame is also arranged between the compression assembly and the first support frame.

2. The welding tooling of claim 1, wherein the hold down assembly comprises a butt joint hold down assembly (6) for chucking a butt welded workpiece; the locking portion comprises a first locking portion for locking the first support bracket with the docking compression assembly (6);

the butt joint pressing assembly (6) comprises a bottom plate (61), a base plate (63) and a pair of pressing plates (62); the base plate (61) is provided with a plurality of pressing plate fixing portions along the circumferential direction, and the pressing plates (62) are in a pair and face the base plate (61) to press the base plate (63) through any pair of oppositely arranged pressing plate fixing portions.

3. The welding tooling of claim 2, wherein press plate bolt holes are formed in both sides of any one of the press plates (62); the pressing plate fixing part is specifically a locking bolt (65) which is inserted into the pressing plate bolt hole and the bottom plate bolt hole of the bottom plate (61).

4. The welding tooling of claim 2, wherein the butting compression assembly (6) is further provided with a first flange plate (64); one end of the first support frame is provided with a second flange plate (8); the first flange plate (64) and the second flange plate (8) are fixedly connected through flange plate bolts (9).

5. The welding tool according to any one of claims 2 to 4, wherein the first support frame comprises a rotating outer pipe (1) and a rotating inner pipe (2) which are coaxially sleeved; the first locking part is a locking pin; the rotating outer pipe (1) and the rotating inner pipe (2) are respectively provided with a plurality of bolt holes which are encircled along the radial direction and used for inserting the locking pins.

6. The welding tool according to claim 5, characterized in that the number of the bolt holes of the rotating inner tube (2) is at least four, and the four bolt holes are uniformly distributed along the circumference of the tube wall of the rotating inner tube (2).

7. The welding tooling of claim 5, wherein the hold-down assembly further comprises a fillet hold-down assembly (7) connected to the other end of the first support frame for clamping a fillet weld workpiece; the locking part also comprises a second locking part for locking the first support frame and the corner joint pressing component (7);

two ends of the rotary outer pipe (1) are respectively sleeved with the two rotary inner pipes (2); one rotating inner pipe (2) is fixedly connected with the butt joint pressing assembly (6), and the other rotating inner pipe (2) is fixedly connected with the angle joint pressing assembly (7).

8. The welding tooling of claim 7, wherein the angle joint pressing assembly (7) comprises an angle joint backing plate (71) and an angle joint pressing plate (72) which are arranged at intervals; the angle joint pressure plate (72) is provided with a pressing bolt (73) which is screwed in and out towards the angle joint backing plate (71) for supporting the angle welding workpiece.

9. The welding tooling of claim 1, wherein a second support frame vertically disposed and used for lifting and/or rotating the first support frame is fixedly connected to the lower end of the first support frame.

10. The welding tool according to claim 9, wherein the second support frame comprises an outer column tube (3) and an inner column tube (4) which are coaxially sleeved; the locking part comprises a third locking part for locking the stand outer pipe (3) and the stand inner pipe (4); the upright post outer pipe (3) and the upright post inner pipe (4) are respectively provided with a plurality of upright post holes (5) which are arranged along the axial direction and used for inserting the third locking parts.