Square steel tube welding fixing clamp for ventilation device

By designing a welding fixture that can clamp and lift square steel pipes, the problem of inefficient welding efficiency in the prior art is solved, stable clamping and precise docking of square steel pipes are achieved, and welding efficiency and accuracy are improved.

CN222552627UActive Publication Date: 2025-03-04LIAOCHENG STEEL-ZHENG PRECISION STEEL PIPE MANUFACTURING CO LTD
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Patent Information

Application Number
CN202421310405.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-04
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The square steel pipe welding fixtures for existing ventilation devices need to be turned over during the welding process, resulting in low welding efficiency.

Method used

A square steel pipe welding fixing fixture is designed. By setting up a load-bearing base and a clamp, the two sides of the square steel pipe can be clamped and the bottom end can be lifted so that it can be welded on the same horizontal line. The clamp achieves stable clamping and precise docking of square steel pipes through the cooperation of screws and limit blocks.

Benefits of technology

The fixture can be welded without flipping the square steel pipe, which improves welding efficiency and accuracy, and is suitable for welding square steel pipes of different sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The square steel pipe welding fixing clamp for the ventilation device comprises a supporting plate, an adjusting bearing plate is arranged at the top end of the supporting plate, two bottom plates are arranged at the top end of the adjusting bearing plate, two limiting blocks are arranged in each bottom plate through a cavity, one end of each limiting block is connected with a threaded rod in a penetrating and threaded mode, and the other end of each limiting block is connected with a threaded rod. The two screws are oppositely arranged and connected end to end, two stand columns are arranged at the top ends of the two limiting blocks, the tops of the two stand columns extend out of the top of the bottom plate, and the extending ends of the two stand columns are jointly connected with a clamping plate. A series of structures are arranged, the bottom ends of the structures are supported by the bearing base, the square steel pipes are clamped and located on the same horizontal line, the four edges of the welding position can be welded at a time in the welding process, the welding device is suitable for welding the square steel pipes of different sizes, the welding ends of the two square steel pipes can be accurately in butt joint, and welding efficiency is improved. And the butt joint precision at the welding position is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of welding fixtures, in particular to a square steel pipe welding and fixing fixture for a ventilation device. Background Art

[0002] Square steel pipe is a name for square pipes, also known as square cold-bent hollow steel, referred to as square pipe or square steel pipe, which is characterized by steel pipes with equal side lengths.

[0003] Most of the existing square steel pipe welding fixtures for ventilation devices fix the square steel pipe on both sides and place the bottom end on a plane for welding. The bottom end of the connection cannot be welded in one go and the square steel pipe needs to be turned over for welding again, which affects the welding efficiency. Utility Model Content

[0004] The utility model aims to provide a square steel pipe welding and fixing fixture for a ventilation device to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a square steel pipe welding fixing fixture for a ventilation device comprises a support plate, an adjusting support plate is arranged at the top of the support plate, two bottom plates are arranged at the top of the adjusting support plate, two limit blocks are arranged through a cavity inside the two bottom plates, one end of the two limit blocks is threadedly connected with a screw rod, the two screw rods are relatively arranged and connected at the ends, two columns are arranged at the top of the two limit blocks, and the tops of the two columns extend out of the top of the bottom plate, the extended ends of the two columns are commonly connected with a splint, and a load-bearing base is arranged on the outer surface of the column between the two splints and the bottom plate, and a square steel pipe is placed on the top of the load-bearing base.

[0006] Preferably, four floor posts are arranged at the four corners of the bottom end of the support plate, and the floor posts support the support plate so that the fixing fixture can be placed stably on a plane, thereby ensuring the stability of various parts above the support plate.

[0007] Preferably, two long grooves are provided at the top of the bottom plate at the positions of the two horizontal columns, so that the two limit blocks can perform relative linear movement, ensuring that the two clamps can clamp the two sides of the square steel pipe, and the square steel pipe will not shake when welding the two square steel pipes, thereby improving the welding accuracy.

[0008] Preferably, two limit grooves are provided through the top of the load-bearing base at the positions of the two horizontal columns, and two support rods are provided at the bottom end of the load-bearing base. The bottom ends of the two support rods are fixedly connected to the top of the base plate, and the support rods support the load-bearing base so that the load-bearing base can lift the bottom end of the square steel pipe to facilitate welding.

[0009] Preferably, an adjustment slot is provided at the top of the adjustment support plate below the base plate, and a limit plug is provided at the adjustment slot position at the bottom ends of the two base plates. The base plates are limited by the limit plug and the adjustment slot, so that the two base plates can perform linear motion smoothly. When welding square steel pipes, the base plates are moved to make the welding positions of the two square steel pipes contact, thereby ensuring the accuracy of the welding position docking.

[0010] Preferably, one end of any one of the screw rods extends out of the front end of the bottom plate, and a turntable is provided at the extended end of the screw rod. Turning the turntable can drive the screw rod to rotate, so as to facilitate adjustment of the positions of the two splints, and the use is convenient and labor-saving.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. This ventilation device uses a square steel pipe welding fixture, through a load-bearing base and two frame plates. When in use, place the two square steel pipes on the top of the load-bearing base so that the two square steel pipe welding ends are opposite to each other, and then twist the turntable to drive the screw to rotate. When the screw rotates, the two limit blocks will be driven to perform relative linear motion. When the two limit blocks are driven to perform linear motion, the clamping plate is driven by the column to perform linear motion at the same time, clamping the two sides of the square steel pipe, and the bottom end is supported by the load-bearing base, so that the square steel pipe is clamped and is on the same horizontal line. When welding, the four sides of the welding position can be welded at one time, which is suitable for welding square steel pipes of different sizes.

[0013] 2. This ventilation device uses a square steel pipe welding fixture. The bottom plate that can perform linear motion is moved to move the position of the bottom plate, so that the two square steel pipes can perform linear motion. After the welding ends of the two square steel pipes are in contact, welding can be performed so that the welding ends of the two square steel pipes can be accurately butted together to ensure the butt-jointing accuracy at the welding position. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the bottom plate of the utility model;

[0016] Figure 3 For the utility model Figure 2 A schematic diagram of the enlarged structure in the middle.

[0017] In the figure: 1. support plate; 2. bottom plate; 3. long groove; 4. floor column; 5. adjustment support plate; 6. adjustment groove; 7. square steel pipe; 8. load-bearing base; 9. column; 10. clamping plate; 11. limit groove; 12. limit plug plate; 13. turntable; 14. limit block; 15. support rod; 16. screw. DETAILED DESCRIPTION

[0018] 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.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] like Figures 1 to 3 As shown, the square steel pipe welding fixing fixture for the ventilation device of this embodiment includes a support plate 1, an adjusting support plate 5 is arranged at the top of the support plate 1, and two bottom plates 2 are arranged at the top of the adjusting support plate 5. The two bottom plates 2 can perform linear motion at the top of the adjusting support plate 5, so as to adjust the position of the square steel pipe 7. Two limit blocks 14 are arranged inside the two bottom plates 2 through the cavity, and one end of the two limit blocks 14 is threadedly connected with a screw rod 16. The two screw rods 16 are relatively set and connected at the ends. When the screw rod 16 rotates, the two limit blocks 14 will be driven to perform relative linear motion. The two limit blocks Two columns 9 are provided at the top of 14, and the tops of the two columns 9 extend out of the top of the base plate 2. The extended ends of the two columns 9 are commonly connected with a clamping plate 10. When the two limit blocks 14 are driven to perform linear motion, the clamping plate 10 is driven by the columns 9 to perform linear motion at the same time, clamping the two sides of the square steel pipe 7. A load-bearing base 8 is provided on the outer surface of the column 9 between the two clamping plates 10 and the base plate 2. A square steel pipe 7 is placed on the top of the load-bearing base 8. The load-bearing base 8 lifts the bottom of the square steel pipe 7 so that the two square steel pipes 7 are in the same horizontal plane, which is convenient for welding after docking.

[0021] Specifically, four floor posts 4 are arranged at the four corners of the bottom end of the support plate 1 , so that the fixing fixture can be stably placed on a plane, ensuring the stability of various parts above the support plate 1 .

[0022] Furthermore, two long grooves 3 are provided at the top of the bottom plate 2 at the positions of the two horizontal columns 9, so that the two limit blocks 14 can perform relative linear movement, ensuring that the two clamping plates 10 can clamp the two sides of the square steel pipe 7, and the square steel pipe 7 will not shake when the two square steel pipes 7 are welded, thereby improving the welding accuracy.

[0023] Furthermore, two limiting grooves 11 are provided through the top of the load-bearing base 8 at the positions of the two horizontal columns 9, and two support rods 15 are provided at the bottom end of the load-bearing base 8. The bottom ends of the two support rods 15 are fixedly connected to the top of the base plate 2. The support rods 15 support the load-bearing base 8 so that the load-bearing base 8 can lift the bottom end of the square steel pipe 7 for easy welding.

[0024] Furthermore, an adjustment groove 6 is provided at the top of the adjustment support plate 5 below the base plate 2, and a limit plug plate 12 is provided at the position of the adjustment groove 6 at the bottom ends of the two base plates 2. The base plates 2 are limited by the limit plug plate 12 and the adjustment groove 6, so that the two base plates 2 can perform linear motion smoothly. When welding the square steel pipes 7, the base plates 2 are moved to make the welding positions of the two square steel pipes 7 contact, thereby ensuring the accuracy of the welding position docking.

[0025] Furthermore, one end of any screw rod 16 extends out of the front end of the base plate 2, and a turntable 13 is provided at the extended end of the screw rod 16. Rotating the turntable 13 can drive the screw rod 16 to rotate, so as to facilitate the adjustment of the positions of the two splints 10, which is convenient and labor-saving to use.

[0026] The method of using this embodiment is as follows: when butt welding two square steel tubes 7, the two square steel tubes 7 are respectively placed on the top ends of the two load-bearing bases 8 so that the welding ends of the two square steel tubes 7 are opposite to each other, and then the turntable 13 is twisted to drive the screw 16 to rotate. When the screw 16 rotates, the two limit blocks 14 will be driven to perform relative linear motion. Two columns 9 are provided at the top ends of the two limit blocks 14, and the tops of the two columns 9 extend out of the top of the bottom plate 2. The extended ends of the two columns 9 are commonly connected with a clamping plate 10. When the two limit blocks 14 are driven to perform linear motion, the clamping plate 10 is driven by the columns 9 to perform linear motion at the same time, clamping the two sides of the square steel tube 7, and then the position of the bottom plate 2 is adjusted to make the two square steel tubes 7 perform linear motion. After the welding ends of the two square steel tubes 7 are in contact, welding can be performed.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A square steel pipe welding fixture for a ventilation device, comprising a support plate (1), characterized in that: An adjusting support plate (5) is arranged at the top of the support plate (1), and two bottom plates (2) are arranged at the top of the adjusting support plate (5). Two limit blocks (14) are arranged inside the two bottom plates (2) through a cavity, and one end of the two limit blocks (14) is threadedly connected with a screw rod (16). The two screw rods (16) are arranged opposite to each other and connected at the ends. Two columns (9) are arranged at the top of the two limit blocks (14), and the tops of the two columns (9) extend out of the top of the bottom plate (2). The extended ends of the two columns (9) are commonly connected with a clamping plate (10). A load-bearing base (8) is arranged on the outer surface of the column (9) between the two clamping plates (10) and the bottom plate (2), and a square steel pipe (7) is placed on the top of the load-bearing base (8).

2. The square steel pipe welding fixture for ventilation device according to claim 1 is characterized in that: Four ground posts (4) are arranged at the four corners of the bottom end of the support plate (1).

3. The square steel pipe welding fixture for ventilation device according to claim 1 is characterized in that: Two long grooves (3) are arranged at the top of the bottom plate (2) at the positions of the two horizontal uprights (9).

4. The square steel pipe welding fixture for ventilation device according to claim 1 is characterized in that: Two limiting grooves (11) are provided through the top of the load-bearing base (8) at the positions of the two horizontal columns (9), and two support rods (15) are provided at the bottom end of the load-bearing base (8), and the bottom ends of the two support rods (15) are fixedly connected to the top end of the bottom plate (2).

5. The square steel pipe welding fixture for ventilation device according to claim 1 is characterized in that: An adjustment slot (6) is provided at the top of the adjustment support plate (5) below the bottom plate (2), and a limit plug plate (12) is provided at the position of the adjustment slots (6) at the bottom ends of the two bottom plates (2).

6. The square steel pipe welding fixture for ventilation device according to claim 1, characterized in that: One end of any one of the screw rods (16) extends out of the front end of the bottom plate (2), and a rotating disk (13) is provided at the extended end of the screw rod (16).