Welding fixture

Abstract

The utility model relates to a welding clamp which comprises a fixing frame, a clamping mechanism and an adjusting mechanism, and a supporting rod is fixedly installed at the bottom of the fixing frame. The clamping mechanism comprises a rotating cylinder movably installed on the inner side of the fixing frame, threaded rods with one ends penetrating and extending into the rotating cylinder are movably installed on the periphery of the left side of the outer surface of the rotating cylinder, twisting blocks are fixedly installed on the opposite sides of the threaded rods, and clamping blocks are fixedly installed on the opposite sides of the threaded rods. According to the welding clamp, the clamping mechanism is arranged, a pipe needing to be welded is placed on the inner side of the rotary drum, then four twisting blocks are twisted to enable the clamping blocks to be attached to the pipe to be fastened, the pipe can be conveniently fixed, the welding clamp can be suitable for pipes of different sizes, and the adjusting mechanism is arranged, so that the welding clamp is convenient to adjust. And the servo motor is started to drive the pipe to rotate through the transmission belt and the rotary drum, so that the welding work is facilitated, and the welding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a welding clamp. Background Art

[0002] Welding, also known as fusion, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure. In order to ensure that the workpieces to be welded are welded according to the predetermined position and do not misalign during the welding process, a clamp is generally used to fix the workpieces to be welded.

[0003] Chinese patent CN217254023U discloses a welding fixture, including a support plate, a base and a positioning block, the base is arranged on the support plate, a plurality of bases are arranged in parallel, the base is provided with an installation groove, a positioning block is arranged in the installation groove, a plurality of positioning blocks are arranged at intervals, the positioning block and the base are connected by a locking piece, an inclined surface and a vertical surface are arranged on both sides of the installation groove, the positioning block has an inclined surface and abutting surface, the inclined surface and the abutting surface are arranged corresponding to the inclined surface and the vertical surface respectively, a supporting part and an abutting part are arranged on the base, a processing part is arranged between the supporting part and the abutting part of adjacent bases, the utility model can position a plurality of processing parts for welding, improve welding efficiency, can position processing parts of different sizes, facilitate adjustment of the position of processing parts, and has better flexibility in use, but it cannot be rotated after fixing is completed, and needs to be manually rotated and fixed again, resulting in reduced welding efficiency, so a welding fixture is proposed to solve the above-mentioned problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a welding fixture, which solves the problem that the fixture cannot be rotated after being fixed and needs to be manually rotated and then fixed again, which reduces the welding efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a welding fixture, comprising a fixing frame, a clamping mechanism and an adjusting mechanism, wherein a support rod is fixedly installed at the bottom of the fixing frame;

[0006] The clamping mechanism comprises a rotating drum movably mounted on the inner side of the fixing frame, a threaded rod having one end penetrating and extending to the inside of the rotating drum is movably mounted on all four sides of the left side of the outer surface of the rotating drum, a torsion block is fixedly mounted on the opposite side of the threaded rod, a clamping block is fixedly mounted on the opposite side of the threaded rod, and a limiting rod having one end penetrating and extending to the outside of the rotating drum is fixedly mounted on the top and bottom of the side of the clamping block close to the threaded rod;

[0007] The adjustment mechanism includes a movable groove opened in the middle of the inner side of the fixed frame, movable wheels abutting the movable groove are fixedly installed around the outer surface of the rotating drum, a fixed box is fixedly installed in the middle of the top of the fixed frame, a servo motor is fixedly installed inside the fixed box, a transmission belt is arranged on the output shaft of the servo motor and the right side of the outer surface of the rotating drum, and the output shaft of the servo motor is connected to the rotating drum through the transmission belt.

[0008] Furthermore, the fixing frame and the rotating drum are both hollow cylinders, and the cross sections of the fixing frame and the rotating drum are concentric circles.

[0009] Furthermore, thread grooves threadedly connected to the threaded rod are provided around the left side of the outer surface of the rotating drum, and limiting holes corresponding to the position of the limiting rod and matched in size are provided around the left side of the outer surface of the rotating drum.

[0010] Furthermore, the movable wheels are in a plurality and are equidistantly distributed around the outer surface of the drum in a circular shape, and the drum is movably connected to the fixed frame via the plurality of movable wheels.

[0011] Furthermore, the number of the clamping blocks is four and they are equidistantly distributed in a ring shape, and anti-slip pads are provided on opposite sides of the four clamping blocks.

[0012] Furthermore, a limiting block having one end extending into the movable groove is fixedly installed around the outer surface of the rotating drum, and the limiting blocks are in a plurality and are all engaged with the movable groove.

[0013] Furthermore, a base is fixedly mounted on the bottom of the support rod, and mounting holes are provided around the inside of the base.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] The welding fixture is provided with a clamping mechanism, and the pipe to be welded is placed on the inner side of the rotating drum. Then, four twisting blocks are twisted respectively to make the clamping blocks fit the pipe tightly, so that the pipe can be fixed conveniently. The fixture can be applied to pipes of different sizes. By providing an adjustment mechanism, the servo motor can be started to drive the pipe to rotate through the transmission belt and the rotating drum, which facilitates the welding work and speeds up the welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the utility model;

[0017] Figure 2 It is a left side sectional view of the utility model;

[0018] Figure 3 It is a three-dimensional structural diagram of the utility model.

[0019] In the figure: 1 fixed frame, 2 rotating drum, 3 threaded rod, 4 torsion block, 5 clamping block, 6 limit rod, 7 movable groove, 8 movable wheel, 9 fixed box, 10 servo motor, 11 transmission belt, 12 limit block, 13 support rod, 14 base. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 A welding fixture in this embodiment includes a fixing frame 1, a clamping mechanism and an adjusting mechanism. A support rod 13 is fixedly installed at the bottom of the fixing frame 1, and a base 14 is fixedly installed at the bottom of the support rod 13. Mounting holes are opened around the inside of the base 14 to facilitate the overall installation and fixation.

[0022] The clamping mechanism includes a rotating drum 2 movably mounted on the inner side of a fixing frame 1. Both the fixing frame 1 and the rotating drum 2 are hollow cylinders. The cross-sections of the fixing frame 1 and the rotating drum 2 are concentric circles. A threaded rod 3 with one end penetrating and extending into the interior of the rotating drum 2 is movably mounted around the left side of the outer surface of the rotating drum 2. Threaded grooves threadedly connected to the threaded rod 3 are provided around the left side of the outer surface of the rotating drum 2. A torsion block 4 is fixedly mounted on the opposite side of the threaded rod 3. A clamping block 5 is fixedly mounted on the opposite side of the threaded rod 3. There are four clamping blocks 5 which are equidistantly distributed in a ring shape. Anti-slip pads are provided on the opposite sides of the four clamping blocks 5 to make the fixation of the pipe fixture more secure.

[0023] The clamping mechanism in this embodiment can conveniently fix pipes of different sizes.

[0024] It should be noted that in this embodiment, a limiting rod 6 with one end passing through and extending to the outside of the rotating drum 2 is fixedly installed on the top and bottom of the side of the clamping block 5 close to the threaded rod 3, and limiting holes corresponding to the position of the limiting rod 6 and matched in size are opened all around the left side of the outer surface of the rotating drum 2, which can prevent the clamping block 5 from shifting or shaking as much as possible.

[0025] See also Figure 1-3The adjusting mechanism includes a movable groove 7 opened in the middle of the inner side of the fixed frame 1, movable wheels 8 abutting against the movable groove 7 are fixedly installed around the outer surface of the rotating drum 2, a fixed box 9 is fixedly installed in the middle of the top of the fixed frame 1, a servo motor 10 is fixedly installed inside the fixed box 9, a transmission belt 11 is arranged between the output shaft of the servo motor 10 and the right side of the outer surface of the rotating drum 2, and the output shaft of the servo motor 10 is connected to the rotating drum 2 through the transmission belt 11.

[0026] The adjusting mechanism in this embodiment can drive the pipe to rotate, thereby improving welding efficiency.

[0027] It should be noted that in this embodiment, there are several movable wheels 8 which are equidistantly distributed in a ring shape around the outer surface of the drum 2. The drum 2 is movably connected to the fixed frame 1 via the several movable wheels 8, which can make the rotation of the drum 2 smoother and more stable.

[0028] In addition, a limiting block 12 with one end extending into the movable groove 7 is fixedly installed around the outer surface of the rotating drum 2. There are several limiting blocks 12 and they are all engaged with the movable groove 7, which can prevent the rotating drum 2 from shaking as much as possible.

[0029] Compared with the existing technology: the pipe to be welded is placed on the inner side of the rotating drum 2, and the four twist blocks 4 are twisted respectively to make the clamping block 5 fit the pipe tightly, so that the fixation of the pipe can be conveniently completed, and it can be suitable for pipes of different sizes. By setting an adjustment mechanism, the servo motor 10 can be started to drive the pipe to rotate through the transmission belt 11 and the rotating drum 2, which facilitates the welding work and speeds up the welding efficiency.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding fixture, comprising a fixing frame (1), a clamping mechanism and an adjusting mechanism, characterized in that: A support rod (13) is fixedly mounted on the bottom of the fixing frame (1); The clamping mechanism comprises a rotating drum (2) movably mounted on the inner side of a fixing frame (1); a threaded rod (3) having one end penetrating and extending into the interior of the rotating drum (2) is movably mounted on all four sides of the left side of the outer surface of the rotating drum (2); a torsion block (4) is fixedly mounted on the opposite side of the threaded rod (3); a clamping block (5) is fixedly mounted on the opposite side of the threaded rod (3); and a limiting rod (6) having one end penetrating and extending into the exterior of the rotating drum (2) is fixedly mounted on the top and bottom of the side of the clamping block (5) close to the threaded rod (3); The adjustment mechanism comprises a movable groove (7) provided in the middle of the inner side of the fixed frame (1); movable wheels (8) abutting against the movable groove (7) are fixedly installed around the outer surface of the rotating drum (2); a fixed box (9) is fixedly installed in the middle of the top of the fixed frame (1); a servo motor (10) is fixedly installed inside the fixed box (9); a transmission belt (11) is provided on the right side of the output shaft of the servo motor (10) and the outer surface of the rotating drum (2); and the output shaft of the servo motor (10) is connected to the rotating drum (2) through the transmission belt (11).

2. A welding fixture according to claim 1, characterized in that: The fixed frame (1) and the rotating drum (2) are both hollow cylinders, and the cross sections of the fixed frame (1) and the rotating drum (2) are concentric circles.

3. A welding fixture according to claim 1, characterized in that: The left side of the outer surface of the rotating drum (2) is provided with threaded grooves threadedly connected to the threaded rod (3), and the left side of the outer surface of the rotating drum (2) is provided with limiting holes corresponding to the position of the limiting rod (6) and matching in size.

4. A welding fixture according to claim 1, characterized in that: The movable wheels (8) are in a plurality and are distributed in a circular shape and at equal intervals around the outer surface of the rotating drum (2). The rotating drum (2) is movably connected to the fixed frame (1) via the plurality of movable wheels (8).

5. A welding fixture according to claim 1, characterized in that: The number of the clamping blocks (5) is four and they are distributed in a circular shape with equal distances, and anti-slip pads are arranged on opposite sides of the four clamping blocks (5).

6. A welding fixture according to claim 1, characterized in that: A limiting block (12) having one end extending into the interior of the movable groove (7) is fixedly installed around the outer surface of the rotating drum (2); the limiting blocks (12) are in a plurality and are all engaged with the movable groove (7).

7. A welding fixture according to claim 1, characterized in that: A base (14) is fixedly mounted on the bottom of the support rod (13), and mounting holes are provided on all four sides of the base (14).

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