CN220161683U

CN220161683U - Welding positioning device

Info

Publication number: CN220161683U
Application number: CN202321580928.2U
Authority: CN
Inventors: 薛峰; 程伟; 汪自勇
Original assignee: Anhui Luben Precision Machinery Co ltd
Current assignee: Anhui Luben Precision Machinery Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-12-12
Anticipated expiration: 2033-06-20

Abstract

The utility model relates to the technical field of welding positioning and discloses a welding positioning device which comprises a supporting frame, wherein a rotary connecting sleeve rod is rotatably arranged in the supporting frame, a rotary rod is rotatably arranged in the rotary connecting sleeve rod, one end of the rotary rod penetrates through the rotary connecting sleeve rod and is fixedly connected with a connecting rod, one end of the connecting rod is provided with a connecting rotating rod, a positioning mechanism is arranged on the connecting rotating rod, and the positioning mechanism comprises a first telescopic folding frame and a second telescopic folding frame. The utility model is convenient to extend to the inner wall of a tubular workpiece to be welded through the combined arrangement of the rotating rod, the rotating connecting sleeve rod and the connecting rotating rod, and then the first telescopic folding frame or the second telescopic folding frame can be adjusted to be telescopic and unfolded according to the requirement, so that the positioning retaining plate can be pushed to be close to the inner wall of the tubular workpiece to position the tubular workpiece, the follow-up welding work is convenient to carry out, and the utility model is suitable for positioning the tubular workpieces with different diameters; compared with the prior positioning device during welding, the positioning device greatly improves the applicability of positioning the workpiece.

Description

Welding positioning device

Technical Field

The utility model relates to the technical field of welding positioning, in particular to a welding positioning device.

Background

Welding, also known as fusion welding, is a process and technique for joining metals or other thermoplastic materials, such as plastics, by means of heat, high temperature or high pressure. The energy sources of modern welding are numerous and include gas flames, electric arcs, lasers, electron beams, friction and ultrasound. In addition to use in factories, welding can also be performed in a variety of environments, such as in the field, underwater, and in space. At present, when a tubular workpiece is welded, the workpiece is usually required to be positioned, and at present, the positioning mode adopted is to clamp the outer wall of the tubular workpiece through a screw on the surface of a workbench, but the applicability of the positioning mode is single, and as the clamp clamps the surface of the workpiece, the area of the outer wall part of the workpiece can be covered, the welding position is limited, the adjustment is difficult, and the welding dead angle is easy to generate.

The above information disclosed in this background section is only for enhancement of understanding of the background section of the utility model and therefore it may not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

In order to solve the problems that the existing positioning mode adopted by welding is to clamp the outer wall of a tubular workpiece through a screw on a surface mounting clamp of a workbench, but the positioning mode is single in applicability, and the clamp clamps the surface of the workpiece to cover the area of the outer wall part of the workpiece, so that the welding position is limited, the adjustment is difficult, and the welding dead angle is easy to generate, the utility model provides a welding positioning device.

The utility model provides a welding positioning device which adopts the following technical scheme:

the utility model provides a welding positioning device, includes the support frame, the inside rotation of support frame is installed and is rotated the connection loop bar, the inside rotation of rotating the connection loop bar is equipped with the dwang, the one end of dwang runs through and rotates and connect loop bar and fixedly connected with connecting rod, the one end of connecting rod is equipped with connects the bull stick, be equipped with positioning mechanism on the connection bull stick, positioning mechanism includes first flexible folding leg and the flexible folding leg of second.

Preferably, one end of the rotary connecting sleeve rod extends to the back of the supporting frame and is fixedly connected with a rotary wheel, and a second thread sleeve is fixedly arranged on the outer wall of the other end of the rotary connecting sleeve rod.

Preferably, one end of the connecting rod, which is far away from the rotary connecting sleeve rod, is fixedly connected with a first thread bush, and the first thread bush is movably connected with the connecting rotating rod.

Preferably, one end of the connecting rotating rod is fixedly connected with a first connecting ring block, the external thread of the first thread sleeve is connected with a second connecting ring block, the external sleeve of the connecting rod is provided with a third connecting ring block, and the external thread of the second thread sleeve is connected with a fourth connecting ring block.

Preferably, the outer walls of the first connecting ring block, the second connecting ring block, the third connecting ring block and the fourth connecting ring block are all fixed with a group of rotating clamping blocks along the circumferential equidistance, and the outer walls of the first connecting ring block and the second connecting ring block are provided with a group of first telescopic folding frames along the circumferential equidistance.

Preferably, the outer wall of third link ring piece and fourth link ring piece is equipped with a set of flexible folding leg of second along circumference equidistance, rotate fixture block and first flexible folding leg, the flexible folding leg of second and all rotate to be connected, the top of first flexible folding leg and the flexible folding leg of second is all rotated and is equipped with the location and is held out the board.

In summary, the utility model has the following beneficial technical effects:

the utility model is convenient to extend to the inner wall of a tubular workpiece to be welded through the combined arrangement of the rotating rod, the rotating connecting sleeve rod and the connecting rotating rod, and then the first telescopic folding frame or the second telescopic folding frame can be adjusted to be telescopic and unfolded according to the requirement, so that the positioning and resisting plate can be pushed to be close to the inner wall of the tubular workpiece to position the tubular workpiece, the follow-up welding work is convenient, and the whole structure is simple and ingenious and is suitable for positioning the tubular workpieces with different diameters; compared with the existing positioning device during welding, the positioning device has the advantages that the applicability of positioning the workpiece is greatly improved, and the workpiece is convenient and quick to assemble and disassemble.

Drawings

Fig. 1 is a front view of a weld fixture apparatus according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a welding positioning device according to an embodiment of the application.

Fig. 3 is a schematic structural view of a positioning mechanism according to an embodiment of the application.

Reference numerals illustrate: 1. a support frame; 2. a rotating lever; 3. rotating the connecting sleeve rod; 4. connecting a rotating rod; 5. a first connection ring block; 6. positioning a retaining plate; 7. a rotating wheel; 8. a first telescopic folding leg; 9. rotating the clamping block; 10. a connecting rod; 11. a first threaded sleeve; 12. a second telescopic folding frame; 13. a second connecting ring block; 14. a third connecting ring block; 15. a fourth connecting ring block; 16. and a second thread bush.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a welding positioning device. Referring to fig. 1-2, including support frame 1, the inside rotation of support frame 1 is installed and is rotated and is connected loop bar 3, rotate and connect loop bar 3 and be hollow structure, rotate the inside rotation of connecting loop bar 3 and be equipped with dwang 2, the one end of dwang 2 runs through and is rotated and connect loop bar 3 and fixedly connected with connecting rod 10, the one end of dwang 2 is equipped with the twist grip, adjust the twist grip and can drive dwang 2 and produce the motion, and drive connecting rod 10 and produce the motion in step, the one end of connecting rod 10 is equipped with and connects bull stick 4, be equipped with positioning mechanism on the connection bull stick 4, positioning mechanism includes first flexible folding frame 8 and second flexible folding frame 12, can adjust positioning mechanism along with.

Referring to fig. 2-3, one end of the rotary connecting sleeve rod 3 extends to the back of the supporting frame 1 and is fixedly connected with the rotary wheel 7, the rotary wheel 7 is adjusted to drive the rotary connecting sleeve rod 3 to rotate in the supporting frame 1, a second threaded sleeve 16 is fixedly arranged on the outer wall of the other end of the rotary connecting sleeve rod 3, one end of the connecting rod 10, far away from the rotary connecting sleeve rod 3, is fixedly connected with a first threaded sleeve 11, the first threaded sleeve 11 is movably connected with the connecting rod 4, one end of the connecting rod 4 is fixedly connected with a first connecting ring block 5, the outer thread of the first threaded sleeve 11 is connected with a second connecting ring block 13, the outer sleeve of the connecting rod 10 is provided with a third connecting ring block 14, the third connecting ring block 14 can move in a matched mode outside the connecting rod 10, a fourth connecting ring block 15 is rotatably arranged between the second connecting ring block 13 and the third connecting ring block 14, and a connecting block for supporting is arranged between the second connecting ring block 13 and the third connecting ring block 14 to provide limiting resistance at two ends, and the positioning mechanism is prevented from shifting.

In order to weld and position tubular workpieces with different sizes, specifically, the outer walls of the first connecting ring block 5, the second connecting ring block 13, the third connecting ring block 14 and the fourth connecting ring block 15 are all fixed with a group of rotating clamping blocks 9 at equal intervals along the circumferential direction, the outer walls of the first connecting ring block 5 and the second connecting ring block 13 are provided with a group of first telescopic folding frames 8 at equal intervals along the circumferential direction, the outer walls of the third connecting ring block 14 and the fourth connecting ring block 15 are provided with a group of second telescopic folding frames 12 at equal intervals along the circumferential direction, and the rotating clamping blocks 9 are connected with the first telescopic folding frames 8 and the second telescopic folding frames 12 in a rotating manner;

and the top of first flexible folding leg 8 and the flexible folding leg 12 of second all rotate and are equipped with location butt plate 6, and when first flexible folding leg 8 and the flexible folding leg 12 of second move and open, can promote the inner wall that location butt plate 6 laminated tubular work piece, can fix a position it immediately, be applicable to the tubular work piece location of diameter difference, improved the suitability.

The implementation principle of the welding positioning device provided by the embodiment of the utility model is as follows: when the welding machine is used, the support frame 1 is fixed on a welding workbench in advance, a tubular workpiece to be welded is sleeved outside the connecting rotating rod 4 and the rotating connecting sleeve rod 3, then the rotating wheel 7 is held to position and rotate the inner rotating rod 2, the first threaded sleeve 11 is driven to rotate outside the connecting rotating rod 4 along with the rotation of the rotating rod 2, the second connecting ring block 13 can be pushed to move in a threaded mode on one side outside the first threaded sleeve 11, at the moment, a connecting block between the second connecting ring block 13 and the third connecting ring block 14 can provide limiting resistance for the first telescopic folding frame 8 and the second telescopic folding frame 12, rotation is avoided, the third connecting ring block 14 can be pulled to cooperate outside the connecting rod 10 to generate small-amplitude displacement, at the moment, the first telescopic folding frame 8 can be pushed to be opened in a telescopic mode, and the positioning and resisting plate 6 can be pushed to be conveniently attached to the inner wall of the workpiece;

then the hand-held rotating wheel 7 which is connected with the outer wall of the loop bar 3 is rotated, the second threaded sleeve 16 is adjusted to rotate, and then the fourth connecting ring block 15 pushes the second telescopic folding frame 12 to rotate and open in the rotating clamping block 9, so that the other group of positioning and resisting plates 6 are conveniently stuck to the inner wall of the workpiece, a good positioning and supporting effect is achieved on the tubular workpiece, and the follow-up welding work is conveniently carried out.

The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. Welding positioning device, including support frame (1), its characterized in that: the inside rotation of support frame (1) is installed and is connected loop bar (3), the inside rotation of connecting loop bar (3) is equipped with dwang (2) rotates, the one end of dwang (2) runs through and rotates and connect loop bar (3) and fixedly connected with connecting rod (10), the one end of connecting rod (10) is equipped with connects bull stick (4), be equipped with positioning mechanism on connecting bull stick (4), positioning mechanism includes first flexible folding leg (8) and flexible folding leg (12) of second.

2. A welding positioning device as defined in claim 1, wherein: one end of the rotary connecting sleeve rod (3) extends to the back of the supporting frame (1) and is fixedly connected with a rotary wheel (7), and a second thread sleeve (16) is fixedly arranged on the outer wall of the other end of the rotary connecting sleeve rod (3).

3. A welding positioning device as defined in claim 2, wherein: one end of the connecting rod (10) far away from the rotary connecting sleeve rod (3) is fixedly connected with a first thread sleeve (11), and the first thread sleeve (11) is movably connected with the connecting rotating rod (4).

4. A welding positioning device as defined in claim 3, wherein: one end fixedly connected with first go-between piece (5) of connecting bull stick (4), the outside threaded connection of first thread bush (11) has second go-between piece (13), the outside cover of connecting rod (10) is equipped with third go-between piece (14), the outside threaded connection of second thread bush (16) has fourth go-between piece (15).

5. A welding positioning device as defined in claim 4, wherein: the outer walls of the first connecting ring block (5), the second connecting ring block (13), the third connecting ring block (14) and the fourth connecting ring block (15) are respectively fixed with a group of rotating clamping blocks (9) along the circumferential equidistance, and a group of first telescopic folding frames (8) are respectively arranged on the outer walls of the first connecting ring block (5) and the second connecting ring block (13) along the circumferential equidistance.

6. A welding positioning device as defined in claim 5, wherein: the outer wall of third go-between piece (14) and fourth go-between piece (15) is equipped with a set of flexible folding leg of second (12) along circumference equidistance, rotate fixture block (9) and first flexible folding leg (8), the flexible folding leg of second (12) and all rotate to be connected, the top of first flexible folding leg (8) and the flexible folding leg of second (12) is all rotated and is equipped with location offset (6).