Clamp capable of preventing welding deformation

Abstract

The utility model belongs to the technical field of clamps, and discloses a clamp capable of preventing welding deformation, which comprises a base, the base is provided with an avoiding notch and a welding port, the avoiding notch is arranged on the horizontal plane of the base, the welding port penetrates through the base, slide rails are arranged on two sides of the base, a rear slide block and a front slide block are slidably mounted on the slide rails, and the rear slide block and the front slide block are arranged on the base. The number of the rear sliding blocks and the number of the front sliding blocks are at least two, the rear sliding blocks are provided with pressing blocks in a hinged mode, the pressing blocks are provided with hinged bases, the hinged bases are provided with hinged rods in a hinged mode, the hinged rods are in threaded connection with locking caps, and the front sliding blocks are provided with clamping blocks. By the adoption of the structural design, in the welding process, the pressing blocks are used on the two sides of the welding point to be matched with the base to compact the two ends of the welding end of the round pipe, when the welding point is welded, the heating deformation of the round pipe at the two ends of the welding point is restrained, and then the purpose of preventing deformation is achieved.

Description

Technical Field

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

[0002] During wafer production, a stable liquid pipeline circulation system needs to be established. As a key component of temperature control equipment, the pipeline circulation system can provide a stable liquid circulation system for wafer production, so that it is in a stable working state.

[0003] The connection between pipelines and branches is currently usually made by welding, and the existing pipe welding methods are mostly direct welding. The high temperature generated during welding reaches several hundred degrees Celsius. During the welding process, the round pipes at both ends of the welding point will also overheat. After welding is completed, during natural cooling, the overheated round pipes will deform to varying degrees. This deformation will make it impossible to install according to the previously designed plan during installation, resulting in problems such as offset and interference. Utility Model Content

[0004] In view of the problems raised by the above background technology, the purpose of the utility model is to provide a clamp for preventing welding deformation.

[0005] In order to achieve the above technical purpose, the technical solution adopted by the utility model is as follows:

[0006] A clamp to prevent welding deformation, comprising a base, the base is provided with an avoidance notch and a welding opening, the avoidance notch is arranged on the horizontal plane of the base, the welding opening runs through the base, slide rails are arranged on both sides of the base, a rear slider and a front slider are slidably mounted on the slide rails, the rear slider and the front slider have at least two pieces, the rear slider is hingedly mounted with a pressure block, the pressure block is mounted with an articulated seat, the articulated seat is hingedly mounted with an articulated rod, the articulated rod is threadedly connected with a locking cap, the front slider is mounted with a clamping block, and the specification and size of the clamping block match the articulated rod;

[0007] The base is matched with two extended round steels.

[0008] It is further defined that the cross section of the slide rail is T-shaped, and the slide rail and the base are integrally formed. Such a design ensures the strength of the pulling force.

[0009] It is further defined that the avoidance groove and the arc groove are both polished and smooth. With this design, after being pressed, the heated pipeline will not be affected by the texture on the avoidance groove or the arc groove, causing the pipeline to have texture on its appearance.

[0010] It is further defined that the locking cap is provided with a twist ring, and such a design facilitates the locking cap to be rotated even without using tools.

[0011] Further defined, a hinge connection is adopted between the rear slider and the pressing block. With such a design, the installation box can be disassembled and replaced quickly and conveniently, and it is also beneficial for purchasing spare parts.

[0012] Advantages of adopting the present utility model:

[0013] With the structural design of the present utility model, during the welding process, the pressing blocks are used in cooperation with the base to compact both ends of the welding end of the round tube on both sides of the welding point. Then, when welding the welding point, the thermal deformation of the round tube at both ends of the welding point is restrained, thereby achieving the purpose of preventing deformation.

[0014] With the structural design of the present utility model, under the effect of extending the round steel, when the pipeline is too short to be clamped tightly, the position of the pipeline can also be fixed by inserting the extended round steel into the pipeline. Description of the drawings

[0015] The present utility model can be further illustrated by the non-limiting embodiments given in the drawings;

[0016] Figure 1 It is a schematic structural diagram of an embodiment of a fixture for preventing welding deformation of the present utility model;

[0017] Figure 2 It is a schematic structural diagram when a pressing block of an embodiment of a fixture for preventing welding deformation of the present utility model is opened;

[0018] The main element symbols are explained as follows:

[0019] Base 1; Avoidance notch 2; Welding through-hole 3; Slide rail 4; Rear slider 5; Front slider 6; Pressing block 7; Hinge seat 8; Hinge rod 9; Locking cap 10; Block 11; Extended round steel 12; Arc-shaped notch 13; Wring 14. Specific embodiments

[0020] In order to enable those skilled in the art to better understand the present utility model, the technical solutions of the present utility model will be further described below in conjunction with the drawings and embodiments.

[0021] As Figure 1 、 Figure 2 shown, a fixture for preventing welding deformation of the present utility model includes a base 1. The base 1 is provided with an avoidance notch 2 and a welding through-hole 3. The avoidance notch 2 is arranged on the horizontal plane of the base 1, and the welding through-hole 3 penetrates the base 1. Slide rails 4 are arranged on both sides of the base 1. A rear slider 5 and a front slider 6 are slidably installed on the slide rails 4. There are at least two rear sliders 5 and front sliders 6. A pressing block 7 is hingedly installed on the rear slider 5. A hinge seat 8 is installed on the pressing block 7. A hinge rod 9 is hingedly installed on the hinge seat 8. A locking cap 10 is threadedly connected to the hinge rod 9. A block 11 is installed on the front slider 6. The specification and size of the block 11 match the hinge rod 9;

[0022] The base 1 is matched with two extended round steels 12 , and the pressing block 7 is provided with an arc-shaped notch 13 corresponding to the position of the avoidance notch 2 .

[0023] In this embodiment, when a clamp is used to prevent welding deformation, the pipeline to be welded is placed in the avoidance slot 2, and then the front slider 6 and the rear slider 5 on the sliding rail 4 are slid, so that there are pressure blocks 7 on both sides of the welding point between the pipeline and the branch. Furthermore, the position of the welding point is on the upper side of the welding port 3, which is conducive to welding. Then the pressure block 7 is buckled on the base 1, and the hinge rod 9 is used to cooperate with the locking cap 10 and the clamping block 11 to fix the pressure block 7. Under this fixed pulling, the rear slider 5 and the front slider 6 will not move by themselves. Then, the welding of the pipeline and the branch can be completed at the welding port 3. The high temperature generated by welding will not cause the fixed pipelines at both ends of the welding point to deform, so as to achieve the purpose of preventing welding deformation. After the welding is completed and completely cooled, the hinge rod 9 is opened to complete the welding work.

[0024] Furthermore, the matching of the extended round steel 12 ensures that when the pipeline is too short and the pressing block 7 cannot be pressed well, by inserting the extended round steel 12 into both ends of the pipeline, the overall length of the pipeline is extended, thereby ensuring the pressing effect.

[0025] Preferably, the cross section of the slide rail 4 is T-shaped, and the slide rail 4 and the base 1 are integrally formed. Such a design ensures the strength of the pulling force. In fact, the structural shape and installation structure of the slide rail 4 can also be considered according to specific circumstances.

[0026] Preferably, both the avoidance notch 2 and the arc-shaped notch 13 are polished and smooth. With this design, after being pressed, the heated pipeline will not be affected by the lines on the avoidance notch 2 or the arc-shaped notch 13, causing lines to appear on the appearance of the pipeline. In fact, measures to prevent the appearance of the pipeline from being affected can also be considered according to specific circumstances.

[0027] Preferably, the locking cap 10 is installed with a twist ring 14. Such a design is conducive to rotating the locking cap 10 even without using tools. In fact, a rotation structure of the locking cap 10 can also be considered according to specific circumstances.

[0028] Preferably, the rear slider 5 and the pressing block 7 are connected by a hinge. With this design, the installation box can be quickly and conveniently disassembled and replaced, and it is also convenient to purchase spare parts. In fact, hinge measures can also be considered according to specific circumstances.

[0029] The above embodiments are only used to exemplarily illustrate the principles and effects of the present utility model, rather than to limit the present utility model. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present utility model. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present utility model should still be covered by the claims of the present utility model.

Claims

1. A clamp for preventing welding deformation, comprising a base (1), characterized in that: The base (1) is provided with an avoidance notch (2) and a welding opening (3), wherein the avoidance notch (2) is provided on a horizontal plane of the base (1), and the welding opening (3) passes through the base (1). Slide rails (4) are provided on both sides of the base (1), and a rear slider (5) and a front slider (6) are slidably mounted on the slide rails (4). The rear slider (5) and the front slider (6) are at least two pieces, and the rear slider (5) is hingedly mounted with a pressure block (7), and the pressure block (7) is mounted with a hinge seat (8), and the hinge seat (8) is hingedly mounted with a hinge rod (9), and the hinge rod (9) is threadedly connected with a locking cap (10), and the front slider (6) is mounted with a clamping block (11), and the specification and size of the clamping block (11) match the hinge rod (9); The base (1) is matched with two extended round steels (12), and the pressing block (7) is provided with an arc-shaped notch (13) whose position corresponds to the avoidance notch (2).

2. A clamp for preventing welding deformation according to claim 1, characterized in that: The slide rail (4) has a T-shaped cross section, and the slide rail (4) and the base (1) are integrally formed.

3. A clamp for preventing welding deformation according to claim 2, characterized in that: The avoidance notch (2) and the arc-shaped notch (13) are both polished and smooth.

4. A clamp for preventing welding deformation according to claim 3, characterized in that: The locking cap (10) is provided with a twist ring (14).

5. A clamp for preventing welding deformation according to claim 4, characterized in that: The rear sliding block (5) and the pressing block (7) are connected by a hinge.

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