Multi-point positioning device for metal plate welding

Abstract

The utility model discloses a multi-point positioning device for metal plate welding. The multi-point positioning device comprises a bottom plate; the at least one first pressing part is arranged at one end of the bottom plate; the positioning assembly comprises a supporting plate, first positioning pins and connecting rods, the supporting plate is connected to the bottom plate, the first positioning pins are arranged on the two sides of the supporting plate respectively, the first positioning pins are connected to the corresponding connecting rods, and the connecting rods are connected to the supporting plate; the positioning block is positioned at one end of the supporting plate; and the second pressing part is arranged at one end, far away from the supporting plate, of the bottom plate. Compared with the prior art, irregular products can be clamped and positioned, and the welding quality of the products is improved.

Description

Technical Field

[0001] The utility model relates to a positioning device, in particular to a multi-point positioning device for sheet metal welding. Background Art

[0002] Sheet metal is a comprehensive cold processing technology for thin metal plates, including shearing, punching, folding, welding, riveting, etc. Its most notable feature is that the thickness of the same part is consistent. As a widely used metal part, sheet metal is not only easy to form but also has high processing efficiency and low cost. The welding of sheet metal parts requires precise control. During the processing of sheet metal parts, multiple sheet metal parts need to be welded together. Welding is widely used as a processing and fixing method.

[0003] Currently, most of the equipment on automobiles is composed of sheet metal welding. When producing products, the sheet metal needs to be positioned before subsequent welding processing. Due to the changing design styles of the products themselves, there are often non-standard parts or irregular product parts. Customized fixtures are needed to fix these products. Utility Model Content

[0004] The utility model provides a multi-point positioning device for sheet metal welding, which can clamp and position irregular products, thereby improving the quality of product welding processing.

[0005] In order to achieve the above object, the utility model provides a multi-point positioning device for sheet metal welding, which comprises:

[0006] Base plate;

[0007] At least one first pressing component, wherein the first pressing component is disposed at one end of the bottom plate;

[0008] At least one positioning assembly, the positioning assembly comprising a support plate, a first positioning pin and a connecting rod, the support plate is connected to the bottom plate, the first positioning pins are respectively arranged on both sides of the support plate, the first positioning pins are connected to the corresponding connecting rods, and the connecting rods are connected to the support plate;

[0009] At least one positioning block, the positioning block is located at one end of the support plate;

[0010] At least one second pressing component is disposed at an end of the bottom plate away from the support plate.

[0011] As a further description of the above technical solution:

[0012] The second pressing member includes a fixed block, a movable block, a second positioning pin and a third positioning pin. The fixed block is arranged on the bottom plate. One end of the movable block is movably connected to the fixed block, the other end of the movable block is connected to the second positioning pin, the third positioning pin is arranged on the bottom plate, and the third positioning pin is located below the second positioning pin.

[0013] As a further description of the above technical solution:

[0014] A connecting plate is arranged in the middle of the top of the fixed block, an adjusting hole is arranged on the connecting plate, the movable block is connected to the adjusting hole through a rotating shaft, and snap rings are respectively arranged at both ends of the rotating shaft.

[0015] As a further description of the above technical solution:

[0016] Two of the first pressing members are respectively arranged at both ends of the bottom plate, and the first pressing members are quick clamps.

[0017] As a further description of the above technical solution:

[0018] The connecting rod is a screw rod, and one end of the screw rod is screwed into a threaded hole formed in the support plate.

[0019] As a further description of the above technical solution:

[0020] An inclined surface is arranged on the positioning block, and a positioning groove is arranged at the bottom of the inclined surface.

[0021] In summary, due to the adoption of the above technical solution, the beneficial effects of the present utility model are as follows: by arranging two positioning blocks and two positioning components on the substrate, the sheet metal can be initially positioned, and then the two first pressing members at both ends of the substrate can quickly press the sheet metal, so that the sheet metal can be fixed to prevent the sheet metal from moving. By rotating the connecting rod, the first positioning pin on the connecting rod is inserted into the corresponding through hole of the sheet metal, and finally the movable block is pulled, so that the second positioning pin is inserted into the corresponding through hole of the sheet metal, and at the same time the third positioning pin is inserted into the corresponding through hole of the sheet metal, so that multi-point positioning of the sheet metal can be carried out, thereby improving the welding quality of the sheet metal. Description of the Drawings

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0023] Figure 1It is a schematic structural diagram of a multi-point positioning device for sheet metal welding.

[0024] Figure 2 It is Figure 1 an enlarged view of part A in

[0025] Figure 3 It is a schematic structural diagram of a positioning component in a multi-point positioning device for sheet metal welding.

[0026] Figure 4 It is a schematic structural diagram of a positioning block in a multi-point positioning device for sheet metal welding.

[0027] Legend:

[0028] 1. Base plate; 2. First pressing component; 3. Positioning component; 31. Support plate; 32. First positioning pin; 33. Connecting rod; 4. Positioning block; 5. Second pressing component; 51. Fixed block; 52. Movable block; 53. Second positioning pin; 54. Third positioning pin; 6. Connecting plate; 7. Adjusting hole; 8. Rotating shaft; 9. Snap ring; 10. Positioning groove. Detailed implementation manners

[0029] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and illustrated in the accompanying drawings herein can be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model claimed, but merely represents the selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0031] It should be noted that: Similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0032] In the description of the embodiments of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper", "inner", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0033] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0034] Please refer to Figures 1-4 , the present utility model provides a multi-point positioning device for sheet metal welding, which includes:

[0035] Base plate 1;

[0036] At least one first pressing component 2, the first pressing component 2 is arranged at one end of the base plate 1; two of the first pressing components 2 are respectively arranged at both ends of the base plate 1, and the first pressing component 2 is a quick clamp; the pressing components are symmetrically arranged, which can make the sheet metal fixed more stably;

[0037] At least one positioning component 3, the positioning component 3 includes a support plate 31, a first positioning pin 32 and a connecting rod 33, the support plate 31 is connected to the base plate 1, the first positioning pins 32 are respectively arranged on both sides of the support plate 31, the first positioning pin 32 is connected to the corresponding connecting rod 33, and the connecting rod 33 is connected to the support plate 31;

[0038] At least one positioning block 4, the positioning block 4 is located at one end of the support plate 31;

[0039] At least one second pressing component 5, the second pressing component 5 is arranged at the end of the base plate 1 away from the support plate 31.

[0040] The second pressing member 5 includes a fixed block 51, a movable block 52, a second positioning pin 53 and a third positioning pin 54. The fixed block 51 is arranged on the base plate 1. One end of the movable block 52 is movably connected to the fixed block 51, and the other end of the movable block 52 is connected to the second positioning pin 53. The third positioning pin 54 is arranged on the base plate 1 and is located below the second positioning pin 53. There are two groups of second pressing members, which can make the sheet metal fixed more stably. A spherical handle is also arranged on the movable block, which is convenient for operating the movable block.

[0041] A connecting plate 6 is arranged in the middle of the top of the fixed block 51. An adjusting hole 7 is arranged on the connecting plate 6. The movable block 52 is connected to the adjusting hole 7 through a rotating shaft. Snap rings 9 are respectively arranged at both ends of the rotating shaft 8. The adjusting hole is L-shaped, which is convenient for the movable block to move, so that the position of the movable block can be changed, and thus it is convenient for the second positioning pin to enter and exit the through hole of the sheet metal.

[0042] The connecting rod 33 is a screw rod, and one end of the screw rod is screwed into the threaded hole opened in the support plate 31. In this way, by rotating the screw rod, the purpose of adjusting the position of the first positioning pin can be achieved.

[0043] An inclined surface is arranged on the positioning block 4, and a positioning groove 10 is arranged at the bottom of the inclined surface. The positioning groove is a profiling positioning groove, which can better contact with the sheet metal for positioning.

[0044] Working principle: By arranging two positioning blocks and two positioning components on the substrate, the sheet metal can be preliminarily positioned. Then, through the two first pressing members at both ends of the substrate, the sheet metal can be quickly pressed, and the sheet metal can be fixed to prevent it from moving. Then rotate the connecting rod to insert the first positioning pin on the connecting rod into the corresponding through hole of the sheet metal. Finally, pull the movable block to insert the second positioning pin into the corresponding through hole of the sheet metal, and at the same time insert the third positioning pin into the corresponding through hole of the sheet metal. In this way, multi-point positioning of the sheet metal can be carried out, thereby improving the welding quality of the sheet metal.

[0045] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. A multi-point positioning device for sheet metal welding, characterized in that: include: Base plate; At least one first pressing component, wherein the first pressing component is disposed at one end of the bottom plate; At least one positioning assembly, the positioning assembly comprising a support plate, a first positioning pin and a connecting rod, the support plate is connected to the bottom plate, the first positioning pins are respectively arranged on both sides of the support plate, the first positioning pins are connected to the corresponding connecting rods, and the connecting rods are connected to the support plate; At least one positioning block, the positioning block is located at one end of the support plate; At least one second pressing component is disposed at an end of the bottom plate away from the support plate.

2. A multi-point positioning device for sheet metal welding according to claim 1, characterized in that: The second clamping component includes a fixed block, a movable block, a second positioning pin and a third positioning pin. The fixed block is arranged on the bottom plate, one end of the movable block is movably connected to the fixed block, and the other end of the movable block is connected to the second positioning pin. The third positioning pin is arranged on the bottom plate, and the third positioning pin is located below the second positioning pin.

3. A multi-point positioning device for sheet metal welding according to claim 2, characterized in that: A connecting plate is arranged in the middle of the top of the fixed block, an adjusting hole is arranged on the connecting plate, the movable block is connected to the adjusting hole via a rotating shaft, and retaining springs are arranged at both ends of the rotating shaft.

4. A multi-point positioning device for sheet metal welding according to claim 1, characterized in that: Two first clamping components are respectively arranged at two ends of the bottom plate, and the first clamping components are quick clamps.

5. The multi-point positioning device for sheet metal welding according to claim 1, characterized in that: The connecting rod is a screw rod, and one end of the screw rod is screwed into a screw hole formed in the support plate.

6. A multi-point positioning device for sheet metal welding according to claim 1, characterized in that: The positioning block is provided with an inclined surface, and the bottom of the inclined surface is provided with a positioning groove.

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