Carbon dioxide arc welding clamp

Abstract

The utility model relates to a carbon dioxide arc welding clamp which comprises a bottom plate, a pressing mechanism and a positioning assembly, the pressing mechanism and the positioning assembly are installed on the bottom plate, and the pressing mechanism is arranged above the positioning assembly in an up-down moving mode. The positioning assembly comprises a positioning seat, the positioning seat is fixedly connected with the bottom plate, a positioning groove used for containing a welding piece is formed in the positioning seat, a first spring clamp is arranged in the positioning groove and elastically connected with the positioning seat, and the size of the positioning groove can be adjusted through the first spring clamp, so that the positioning assembly is suitable for welding pieces of different sizes; therefore, the welding part clamp can clamp welding parts of various specifications, has wide applicability and can meet use requirements.

Description

Technical Field

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

[0002] The carbon dioxide shielded welding clamp is a common welding tool. Its working principle is: after the workpiece is placed on the positioning device, the clamping mechanism presses the workpiece tightly, and the robot welds the workpiece. The carbon dioxide shielded welding clamp is widely used in industries such as automobiles, metal furniture, fitness equipment, agricultural machinery engineering and medical equipment. The positioning device used in the existing carbon dioxide shielded welding clamp is usually customized according to the size of the welded part. The size of the positioning device cannot be changed, so it can only place welded parts of one specification. It is not widely applicable and cannot meet the use requirements. Utility Model Content

[0003] The purpose of the utility model is to design a carbon dioxide shielded welding clamp to solve the technical problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a carbon dioxide shielded welding clamp, comprising a base plate and a clamping mechanism and a positioning assembly installed on the base plate, the clamping mechanism being movably arranged above the positioning assembly; the positioning assembly comprising a positioning seat, the positioning seat being fixedly connected to the base plate, the positioning seat being provided with a positioning groove for placing the weldment, the positioning groove being provided with a first spring clip, and the first spring clip being elastically connected to the positioning seat.

[0005] Furthermore, the clamping mechanism includes a first clamping assembly, which includes a first cylinder, a first movable plate and a first connecting plate, the first movable plate is connected to the output shaft of the first cylinder, the first connecting plate is connected to the first movable plate, and first pressure blocks are provided at both ends of the first connecting plate.

[0006] Furthermore, the first movable plate is rotatably connected to the output shaft of the first cylinder via a first rotating shaft, the first movable plate is rotatably connected to a first transmission rod, a first mounting seat is fixedly mounted on the bottom plate, and the first transmission rod is rotatably connected to the first mounting seat.

[0007] Furthermore, the clamping mechanism also includes two groups of second clamping assemblies, each group of the second clamping assemblies includes a second cylinder, a second movable plate and a second pressing block, the second movable plate is connected to the output shaft of the second cylinder, and the second pressing block is installed at the bottom of the second movable plate.

[0008] Furthermore, the second movable plate is rotatably connected to the output shaft of the second cylinder via a second rotating shaft, the second movable plate is rotatably connected to a second transmission rod, a second mounting seat is fixedly mounted on the top of the second cylinder, and the second transmission rod is rotatably connected to the second mounting seat.

[0009] Furthermore, the positioning assembly also includes a limiting plate, which is fixedly connected to the bottom plate and is arranged at the end of the positioning groove.

[0010] Furthermore, the bottom plate is provided with a first baffle and a second baffle, the first baffle is fixedly connected to the bottom plate, the second baffle is connected to a third cylinder, and the third cylinder is fixedly connected to the bottom plate.

[0011] Furthermore, the first welding part and the second welding part are provided with pads.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model clamps the weldment through a clamping mechanism and a positioning assembly, and the size of the positioning groove can be adjusted through the first spring clamp to adapt to weldments of different sizes. Therefore, the utility model can clamp weldments of various specifications, has a wide applicability, and can meet usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is the front view of the utility model;

[0015] Figure 3 It is a top view of the utility model;

[0016] Figure 4 for Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0017] The names of the components marked in the figure are as follows: 1. Base plate; 2. Clamping mechanism; 201. First clamping assembly; 201a. First cylinder; 201b. First movable plate; 201c. First connecting plate; 201d. First pressure block; 202. Second clamping assembly; 202a. Second cylinder; 202b. Second movable plate; 202c. Second pressure block; 3. Positioning assembly; 301. Positioning seat; 302. Limiting plate; 4. Positioning groove; 5. First spring clip; 6. First transmission rod; 7. First mounting seat; 8. Second transmission rod; 9. Second mounting seat; 10. First baffle; 11. Second baffle; 13. Third cylinder; 14. Pad; 15. Second spring clip; 16. First welding part; 17. Second welding part. DETAILED DESCRIPTION

[0018] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0019] Example: Please refer to Figure 1-4A carbon dioxide shielded welding clamp comprises a base plate 1 and a clamping mechanism 2 and a positioning assembly 3 installed on the base plate 1. The positioning assembly 3 is used to position a first welding piece 16 and a second welding piece 17. The first welding piece 16 and the second welding piece 17 are clamped by the clamping mechanism 2 and the positioning assembly 3. Specifically, the positioning assembly 3 comprises a positioning seat 301, and the positioning seat 301 is fixedly connected to the base plate 1. The positioning assembly 3 also comprises a limiting plate 302, and the limiting plate 302 is fixedly connected to the base plate 1. The limiting plate 302 is provided with two pieces, which are respectively used to limit the two ends of the first welding piece 16. The limiting plate 302 is arranged at the end of the positioning groove 4. The first welding piece 16 is placed in the positioning groove 4 on the positioning seat 301, and the first welding piece The two ends of 16 are in contact with the limiting plates 302 to realize the rapid positioning of the first welding part 16; in order to realize the stable placement of the first welding part 16 and the second welding part 17, the positioning seat 301 is provided with multiple groups, the first welding part 16 is positioned by four groups of positioning seats 301, and the second welding part 17 is positioned by two groups of positioning seats 301, and the two groups of positioning seats 301 are respectively arranged on both sides of the second welding part 17; the positioning seat 301 is provided with a positioning groove 4 for placing the first welding part 16 or the second welding part 17, and the positioning groove 4 is provided with a first spring clip 5, and the first spring clip 5 is elastically connected to the positioning seat 301. Under the action of the first spring clip 5, the first welding part 16 and the second welding part 17 are pressed tightly, so that the first welding part 16 and the second welding piece 17 are fixed on the positioning seat 301; the clamping mechanism 2 is movably arranged above the positioning assembly 3, and the first welding piece 16 and the second welding piece 17 are clamped by the clamping mechanism 2 moving up and down; the clamping mechanism 2 includes a first clamping assembly 201, and the first clamping assembly 201 is used to clamp the first welding piece 16. The first clamping assembly 201 includes a first cylinder 201a, a first movable plate 201b and a first connecting plate 201c. The first movable plate 201b is connected to the output shaft of the first cylinder 201a, and the first connecting plate 201c is connected to the first movable plate 201b. In order to make the first welding piece 16 pressed tighter, two first connecting plates 201c are arranged on the first movable plate 201b at intervals. Both ends of each first connecting plate 201c are provided with a first pressing block 201d, and the first movable plate 201b is driven to move downward by the first cylinder 201a, and the first connecting plate 201c and the first pressing block 201d move downward, thereby pressing the first welding member 16; specifically, the first movable plate 201b is rotationally connected to the output shaft of the first cylinder 201a through the first rotating shaft, and the first movable plate 201b is rotationally connected to the first transmission rod 6, and a mounting seat is fixedly installed on the bottom plate 1, and the first transmission rod 6 is rotationally connected to the mounting seat, and the output shaft of the first cylinder 201a extends and pushes the end of the first movable plate 201b, and under the action of the first transmission rod 6, the first movable plate 201b rotates to make the other end of the first movable plate 201b move downward;The clamping mechanism 2 further includes two groups of second clamping assemblies 202, the second clamping assemblies 202 are used to clamp the second welding piece 17, each group of the second clamping assemblies 202 includes a second cylinder 202a, a second movable plate 202b and a second pressing block 202c, the second movable plate 202b is connected to the output shaft of the second cylinder 202a, the second pressing block 202c is installed at the bottom of the second movable plate 202b, the second movable plate 202b is driven downward by the second cylinder 202a, and the second pressing block 202c moves downward with the second movable plate 202b, thereby clamping the first welding piece 16; more specifically, the second movable plate 202b is connected to the output shaft of the second cylinder 202a, and the second pressing block 202c is installed at the bottom of the second movable plate 202b. The movable plate 202b is rotatably connected to the output shaft of the second cylinder 202a through the second rotating shaft, the second movable plate 202b is rotatably connected to the second transmission rod 8, the top of the second cylinder 202a is fixedly installed with a second mounting seat 9, the second transmission rod 8 is rotatably connected to the second mounting seat 9, the output shaft of the second cylinder 202a extends and pushes the end of the second movable plate 202b, under the action of the second transmission rod 8, the second movable plate 202b rotates, so that the other end of the second movable plate 202b moves downward, so that the second pressing block 202c presses the first welding piece 16; a pad 14 is provided at the welding place, and the welding place is the first welding The top of the cushion block 14 is provided with grooves for placing the first welding piece 16 and the second welding piece 17, and a weld of a certain size is formed at the connection between the first welding piece 16 and the second welding piece 17. Both sides of the cushion block 14 are provided with second spring clips 15 for clamping the first welding piece 16 and the second welding piece 17, respectively. Under the action of the second spring clips 15, the first welding piece 16 and the second welding piece 17 are fixed on the cushion block 14; the second cushion block 14 is made of wood material to prevent the first welding piece 16 and the second welding piece 17 from fusing with the cushion block 14 during welding; the bottom plate 1 is provided with a There are a first baffle 10 and a second baffle 11, two of which are provided, the first baffle 10 is fixedly connected to the bottom plate 1, each second baffle 11 is connected to a third cylinder 13, the top of the second baffle 11 is provided with a notch with the first connecting plate 201c, so the second baffle 11 will not affect the first clamping assembly 201, the third cylinder 13 is fixedly connected to the bottom plate 1, and the two third cylinders 13 respectively drive the corresponding second baffles 11 to approach each other, under the action of the first baffle 10 and the second baffle 11, the influence of welding slag on the work surface is reduced, and the work surface is convenient to clean. ;

[0020] Working principle of this embodiment: During welding, the first welding piece 16 and the second welding piece 17 are placed on the corresponding positioning seat 301 respectively, wherein the two ends of the first welding piece 16 are in contact with the limiting plate 302, and the first cylinder 201a and the second cylinder 202a are started respectively, and the first cylinder 201a drives the first movable plate 201b and the first pressing block 201d to move downward, so that the first pressing block 201d presses the first welding piece 16, and the second cylinder 202a drives the second movable plate 202b and the second pressing block 202c to move downward, so that the second pressing block 202c presses the first welding piece 16. The second welding part 17 is compressed, and the two third cylinders 13 are started at the same time. The two third cylinders 13 respectively drive the corresponding second baffles 11 to approach each other, so that the non-welding part of the first welding part 16 forms a closed space, reducing the pollution caused by welding slag; wherein, the first spring clip 5 on the positioning seat 301 and the second spring clip 15 on the cushion block 14 can adjust the size of the positioning groove 4, so as to adapt to first welding parts 16 or second welding parts 17 of different sizes. Therefore, the utility model can clamp welding parts of various specifications, has a wide applicability, and can meet the use requirements.

[0021] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A carbon dioxide shielded welding clamp, characterized in that: The invention comprises a base plate (1), a clamping mechanism (2) and a positioning assembly (3) mounted on the base plate (1); the clamping mechanism (2) is movably arranged above the positioning assembly (3) in an up-and-down manner; the positioning assembly (3) comprises a positioning seat (301); the positioning seat (301) is fixedly connected to the base plate (1); a positioning groove (4) for placing a welding part is provided on the positioning seat (301); a first spring clip (5) is provided in the positioning groove (4); and the first spring clip (5) is elastically connected to the positioning seat (301).

2. The carbon dioxide shielded welding clamp according to claim 1 is characterized in that: The clamping mechanism (2) comprises a first clamping assembly (201), the first clamping assembly (201) comprising a first cylinder (201a), a first movable plate (201b) and a first connecting plate (201c), the first movable plate (201b) being connected to an output shaft of the first cylinder (201a), the first connecting plate (201c) being connected to the first movable plate (201b), and first clamping blocks (201d) being provided at both ends of the first connecting plate (201c).

3. The carbon dioxide shielded welding clamp according to claim 2 is characterized in that: The first movable plate (201b) is rotationally connected to the output shaft of the first cylinder (201a) via a first rotating shaft, the first movable plate (201b) is rotationally connected to a first transmission rod (6), a first mounting seat (7) is fixedly mounted on the base plate (1), and the first transmission rod (6) is rotationally connected to the first mounting seat (7).

4. The carbon dioxide shielded welding clamp according to claim 1 is characterized in that: The clamping mechanism (2) also includes two groups of second clamping assemblies (202), each group of the second clamping assemblies (202) includes a second cylinder (202a), a second movable plate (202b) and a second pressing block (202c), the second movable plate (202b) is connected to the output shaft of the second cylinder (202a), and the second pressing block (202c) is installed at the bottom of the second movable plate (202b).

5. The carbon dioxide shielded welding clamp according to claim 4 is characterized in that: The second movable plate (202b) is rotationally connected to the output shaft of the second cylinder (202a) via a second rotating shaft; the second movable plate (202b) is rotationally connected to a second transmission rod (8); a second mounting seat (9) is fixedly mounted on the top of the second cylinder (202a); and the second transmission rod (8) is rotationally connected to the second mounting seat (9).

6. The carbon dioxide shielded welding clamp according to claim 1 is characterized in that: The positioning assembly (3) further comprises a limiting plate (302), wherein the limiting plate (302) is fixedly connected to the bottom plate (1), and the limiting plate (302) is arranged at the end of the positioning groove (4).

7. The carbon dioxide shielded welding clamp according to claim 1 is characterized in that: A first baffle (10) and a second baffle (11) are provided on the bottom plate (1); the first baffle (10) is fixedly connected to the bottom plate (1); the second baffle (11) is connected to a third cylinder (13); and the third cylinder (13) is fixedly connected to the bottom plate (1).

8. The carbon dioxide shielded welding clamp according to claim 1 is characterized in that: A cushion block (14) is provided at the connection between the first welding piece (16) and the second welding piece (17).

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