Precise welding positioning tool

Abstract

The precise welding positioning tool comprises a positioning bottom plate, positioning supporting blocks, limiting columns and pressing plates are installed on the surface of the positioning bottom plate, the number of the positioning supporting blocks is three, the positioning supporting blocks are arranged in the middle of the positioning bottom plate in parallel, the limiting columns are arranged at the four corners of each positioning supporting block, and the multiple pressing plates are evenly distributed in the circumferential direction of the positioning bottom plate. The tool has the advantages of being accurate in positioning, high in machining stability and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding equipment, and in particular relates to a precision welding positioning tool. Background Art

[0002] In existing welding technology, in order to ensure the accuracy and quality of welding, it is usually necessary to use a positioning fixture to fix the parts to be welded. The welding positioning fixture is an important tool used to ensure the precise alignment and fixation of parts during the welding process. This fixture can greatly improve the accuracy and efficiency of welding, especially in industrial production that requires high precision and repeatability.

[0003] At present, in some places during the welding process, tenon positioning is required at the joints of metal workpieces to ensure the accuracy and quality of welding through precise positioning and fixation. However, during the current processing, the cumulative tolerance can only be processed within about ±1 mm, with low accuracy and unable to meet the requirement of ±0.2 mm. Utility Model Content

[0004] The purpose of the utility model is to provide a precision welding positioning tool to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A precision welding positioning tool comprises a positioning base plate, the surface of which is mounted with positioning support blocks, limiting columns and a pressure plate, wherein there are three positioning support blocks which are arranged in parallel in the middle of the positioning base plate, limiting columns are arranged at the four corners of the positioning support blocks, and there are several pressure plates evenly distributed along the circumference of the positioning base plate.

[0007] By adopting the above technical solution: during processing, the workpiece is placed on the surface of the positioning support block, and the four corners of the workpiece are guided and limited by the limit columns to ensure the stability of the installation, and finally the four sides of the workpiece are fixed by the pressure plate.

[0008] Preferably, a plurality of positioning grooves are evenly arranged on the surface of the positioning support block along its length direction, a partition block is arranged between every two adjacent positioning grooves, and mounting holes are provided at both ends of the positioning support block.

[0009] By adopting the above technical solution: the positioning groove is used for installing and placing the workpiece, the partition block ensures the spacing between the workpieces to facilitate welding, and the mounting hole facilitates the positioning support block to be installed on the surface of the positioning base plate.

[0010] Preferably, the positioning groove includes a first vertical groove and a second vertical groove, and a supporting protrusion is arranged between the first vertical groove and the second vertical groove.

[0011] By adopting the above technical solution: the first vertical groove and the second vertical groove are used for placing and installing the workpiece, and the supporting protrusion is used for supporting the workpiece, so as to facilitate welding.

[0012] Preferably, the uniform height difference of the three positioning support blocks is within 0.03 mm.

[0013] By adopting the above technical solution, the height difference within 3 mm can further improve the processing accuracy of the workpiece.

[0014] Preferably, positioning holes are provided on the surface of the positioning base plate.

[0015] By adopting the above technical solution: the positioning hole is used for fool-proof design to avoid the tooling from being installed upside down.

[0016] Preferably, there are three pressing plates located on each side line of the positioning base plate.

[0017] By adopting the above technical solution: three evenly arranged pressing plates can perform three-point fixation on both ends and the middle of each side of the workpiece, thereby further improving the welding accuracy.

[0018] Preferably, a guide groove is provided in the middle of the pressure plate, and a locking hole matching the guide groove is provided on the surface of the positioning base plate.

[0019] By adopting the above technical solution: utilizing the cooperation between the guide groove and the locking hole, it is convenient to disassemble, assemble and fix the workpiece.

[0020] Technical effects and advantages of the utility model:

[0021] Through the coordination between the positioning support block, the limit column and the pressure plate located on the surface of the positioning base plate, the positioning accuracy of the welding can be guaranteed during the welding of the workpiece, and the error can be guaranteed to be within 0.2 mm. In the processing process, the positioning groove and the partition block as well as the first vertical groove, the second vertical groove and the support protrusion are used to further limit the position of the workpiece, thereby ensuring the processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 for Figure 1 A schematic cross-sectional structure diagram of ;

[0024] Figure 3 It is a schematic diagram of the structure of the utility model after the workpiece is installed.

[0025] In the figure: 1, positioning base plate; 11, positioning hole; 2, positioning support block; 21, positioning groove; 211, first vertical groove; 212, second vertical groove; 213, supporting protrusion; 22, partition block; 23, mounting hole; 3, limiting column; 4, pressure plate; 41, guide groove; 42, locking hole. DETAILED DESCRIPTION

[0026] The following will be combined with the attached embodiment of the utility model Figure 1-Figure 3 , the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0027] Example:

[0028] like Figure 1-Figure 3 As shown, the utility model provides a precision welding positioning tool, including a positioning base plate 1, a positioning support block 2, a limiting column 3 and a pressure plate 4 are installed on the surface of the positioning base plate 1, there are three positioning support blocks 2, and they are arranged in parallel in the middle of the positioning base plate 1, the four corners of the positioning support blocks 2 are provided with limiting columns 3, and there are several pressure plates 4 evenly distributed along the circumference of the positioning base plate 1.

[0029] During processing, the workpiece is placed on the surface of the positioning support block 2, and the four corners of the workpiece are guided and limited by the limiting columns 3 to ensure the stability of the installation, and finally the four sides of the workpiece are fixed by the pressing plate 4.

[0030] The surface of the positioning support block 2 is evenly provided with a plurality of positioning grooves 21 along its length direction, a partition block 22 is provided between every two adjacent positioning grooves 21, mounting holes 23 are provided at both ends of the positioning support block 2, the positioning groove 21 includes a first vertical groove 211 and a second vertical groove 212, and a supporting protrusion 213 is provided between the first vertical groove 211 and the second vertical groove 212.

[0031] The positioning groove 21 is used for installing and placing the workpiece, the partition block 22 ensures the spacing between the workpieces to facilitate welding, the mounting hole 23 facilitates the installation of the positioning support block 2 to the surface of the positioning base plate 1, the first vertical groove 211 and the second vertical groove 212 are used for placing and installing the workpiece, and the support protrusion 213 is used to support the workpiece to facilitate welding.

[0032] The uniform height difference of the three positioning support blocks 2 is within 0.03 mm, and the height difference within 3 mm can further improve the processing accuracy of the workpiece.

[0033] The surface of the positioning base plate 1 is provided with positioning holes 11, and the positioning holes 11 are used for fool-proof design to prevent the tooling from being installed upside down.

[0034] There are three pressure plates 4 located on each edge line of the positioning base plate 1, a guide groove 41 is opened in the middle of the pressure plate 4, and a locking hole 42 matching the guide groove 41 is opened on the surface of the positioning base plate 1. The three evenly arranged pressure plates 4 can fix the two ends and the middle of each edge of the workpiece at three points, further improving the welding accuracy, and utilizing the cooperation between the guide groove 41 and the locking hole 42 to facilitate the disassembly, assembly and fixation of the workpiece.

[0035] In summary, this tooling has high installation stability and high welding positioning accuracy, ensuring the error within 0.2 mm, meeting production needs.

[0036] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A precision welding positioning tool, comprising a positioning base plate (1); characterized in that: The surface of the positioning base plate (1) is provided with positioning support blocks (2), limiting columns (3) and a pressure plate (4); there are three positioning support blocks (2) which are arranged in parallel in the middle of the positioning base plate (1); limiting columns (3) are arranged at the four corners of the positioning support blocks (2); and there are a plurality of pressure plates (4) evenly distributed along the circumference of the positioning base plate (1).

2. A precision welding positioning tool according to claim 1, characterized in that: The surface of the positioning support block (2) is evenly provided with a plurality of positioning grooves (21) along its length direction, a partition block (22) is provided between every two adjacent positioning grooves (21), and mounting holes (23) are provided at both ends of the positioning support block (2).

3. A precision welding positioning tool according to claim 2, characterized in that: The positioning groove (21) comprises a first vertical groove (211) and a second vertical groove (212), and a supporting protrusion (213) is provided between the first vertical groove (211) and the second vertical groove (212).

4. The precision welding positioning tool according to claim 1, characterized in that: The uniform height difference of the three positioning support blocks (2) is within 0.03 mm.

5. The precision welding positioning tool according to claim 1, characterized in that: The surface of the positioning base plate (1) is provided with positioning holes (11).

6. The precision welding positioning tool according to claim 1, characterized in that: There are three pressing plates (4) located on each side line of the positioning base plate (1).

7. The precision welding positioning tool according to claim 6, characterized in that: A guide groove (41) is provided in the middle of the pressure plate (4), and a locking hole (42) matching with the guide groove (41) is provided on the surface of the positioning base plate (1).

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