Welding pressing block and welding equipment

Abstract

The utility model relates to a welding pressing block and welding equipment, the welding pressing block comprises a first pressing block and a second pressing block, the first pressing block is used for being connected with a dust removal device of the welding equipment, and the second pressing block is detachably connected to the first pressing block and used for abutting against and fixing a workpiece to be welded. After the first pressing block and the second pressing block are detachably connected, the second pressing block used for abutting against and fixing the workpiece to be welded can be simply and conveniently taken down from the first pressing block to be replaced after the second pressing block adheres to welding slag or is damaged; in this way, on one hand, only part of the welding pressing blocks instead of all the welding pressing blocks are replaced when the welding pressing blocks are replaced, the cost for replacing the welding pressing blocks is saved, on the other hand, the welding pressing blocks can be replaced without taking down the welding pressing blocks from a dust removal device of welding equipment, and the welding efficiency is improved. And the relatively complex working process and the consumed time when the welding pressing block and the welding equipment are disassembled and assembled are saved, so that the production efficiency is improved.

Description

Technical Field

[0001] The present disclosure relates to the field of welding technology, and in particular to a welding pressing block and welding equipment. Background Art

[0002] After long-term use, the current welding block will have some welding slag or be damaged on the side of the welding block close to the workpiece to be welded, causing the welding block to fail to work normally. Therefore, the entire welding block needs to be removed from the welding equipment and replaced. The whole process is time-consuming, labor-intensive and very inconvenient, which increases the cost of replacing the welding block and affects production efficiency. Utility Model Content

[0003] The purpose of the present disclosure is to provide a welding block and a welding device, wherein the welding block is easy to replace and can improve production efficiency.

[0004] In order to achieve the above objectives, the first aspect of the present disclosure provides a welding block, including: a first block for connecting to a dust removal device of a welding device, and a second block detachably connected to the first block for abutting and fixing a workpiece to be welded.

[0005] Optionally, the first pressing block has a first cavity that penetrates the first pressing block along a first direction; the second pressing block has a second cavity that penetrates the second pressing block along the first direction; the first cavity and the second cavity are configured such that when the first pressing block is connected to the dust removal device and connected to the second pressing block, the laser beam can pass through the first cavity and the second cavity and be emitted to the workpiece to be welded.

[0006] Optionally, the first cavity and the second cavity are configured as a shrinkage structure with a cross-section gradually decreasing along the first direction.

[0007] Optionally, the first pressing block is provided with a first protective air hole, the second pressing block is provided with a second protective air hole, and an outlet connected to the second cavity is formed at one end of the second protective air hole away from the first pressing block; the first protective air hole and the second protective air hole can be connected when the first pressing block and the second pressing block are connected, so that the protective gas can pass through the first protective air hole and the second protective air hole and enter the second cavity from the outlet.

[0008] Optionally, a diameter of the second protective air hole at one end close to the first protective air hole is larger than a diameter of the first protective air hole at one end close to the second protective air hole.

[0009] Optionally, the first pressing block is made of brass, and the inner wall of the first cavity is covered with a ceramic protective layer; the second pressing block is made of ceramic.

[0010] Optionally, the ceramic protective layer and the ceramic are both configured as AlN ceramics.

[0011] Optionally, the first pressing block is formed with a mounting portion for connecting to the dust removal device; and / or the second pressing block is formed with a first mounting hole, the first pressing block is formed with a second mounting hole corresponding to the first mounting hole, and a locking member passes through the first mounting hole and is connected to the second mounting hole, so as to detachably connect the second pressing block to the first pressing block.

[0012] A second aspect of the present disclosure provides a welding device, including a welding device, a dust removal device and the above-mentioned welding pressing block, wherein the dust removal device includes a dust removal cover, and the first pressing block is connected to the dust removal cover via a connecting plate.

[0013] Optionally, a flexible connector for noise reduction and dust prevention is sandwiched between the connecting plate and the dust removal cover.

[0014] Through the above technical scheme, after the first pressing block and the second pressing block of the present invention are connected in a detachable manner, the second pressing block used to abut and fix the workpiece to be welded can be simply and conveniently removed from the first pressing block and replaced after it is adhered with welding slag or damaged. On the one hand, when replacing the welding pressing block, only part of the welding pressing block needs to be replaced instead of replacing all the welding pressing blocks, thus saving the cost of replacing the welding pressing block. On the other hand, there is no need to remove the welding pressing block from the dust removal device of the welding equipment to complete the replacement of the welding pressing block, thus saving the relatively complicated working process and time consumed when disassembling and assembling the welding pressing block and the welding equipment, thereby improving production efficiency.

[0015] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0017] Figure 1 is an axonometric view of a welding block provided in an embodiment of the present disclosure;

[0018] Figure 2 is a cross-sectional view of a welding block provided in an embodiment of the present disclosure;

[0019] Figure 3 is a front view of a welding pressing block provided by an embodiment of the present disclosure when connected to a dust removal device;

[0020] Figure 4 It is an axonometric view of the welding pressing block provided in the embodiment of the present disclosure when connected to the dust removal device.

[0021] Description of Reference Numerals

[0022] 1-first pressing block; 101-installation portion; 2-second pressing block; 201-first installation hole; 202-locking piece; 3-first cavity; 4-second cavity; 5-first protective air hole; 6-second protective air hole; 7-dust cover; 8-connecting plate; 9-flexible connecting piece; 10-air outlet. DETAILED DESCRIPTION

[0023] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0024] In the present disclosure, unless otherwise specified, the directional words "inside" and "outside" used refer to the "inside" and "outside" relative to the contour of the corresponding component itself, and the "first direction" is the irradiation direction of the laser beam. In addition, the terms "first", "second", etc. used in the present disclosure are to distinguish one element from another, and do not have order and importance. In addition, in the following description, when referring to the drawings, unless otherwise explained, the same figure numbers in different drawings represent the same or similar elements. The above definitions are only used to explain and illustrate the present disclosure and should not be construed as limitations on the present disclosure.

[0025] The current welding equipment may include a welding device, a dust removal device and a welding block. The dust removal device can be connected to the welding block to extract the smoke and dust generated during welding, and the welding device can be set at different positions according to the welding method. For example, if it is laser welding, it can be set above the welding block. The present disclosure does not limit this, but the current welding block needs to be replaced in its entirety when replaced. The whole process is time-consuming, labor-intensive and very inconvenient, which increases the cost of replacing the welding block and affects production efficiency.

[0026] Based on the above technical problems, the first aspect of the present disclosure provides a welding block, including a first block 1 and a second block 2, wherein the first block 1 is used to be connected to a dust removal device of a welding equipment, and the second block 2 is detachably connected to the first block 1 for abutting and fixing a workpiece to be welded. When the welding block is working normally, one end of the first block 1 is connected to the dust removal device of the welding equipment, and the second block 2 is connected to the other end of the first block 1. During welding, the second block 2 will abut against the workpiece to be welded, thereby fixing the workpiece to be welded. When the second block 2 is damaged by excessive welding slag due to long-term work or is damaged by external force, the staff can directly remove the second block 2 from the first block 1 and reconnect the new second block 2 to the first block 1 to complete the replacement of the welding block. On the one hand, when replacing the welding block, only part of the welding block needs to be replaced instead of replacing all the welding blocks, saving the cost of replacing the welding block. On the other hand, there is no need to remove the welding block from the dust removal device of the welding equipment to complete the replacement of the welding block, saving the relatively complicated working process and time consumed when disassembling and assembling the welding block and the welding equipment, thereby improving production efficiency.

[0027] The welding block disclosed in the present invention can be applied to the welding of battery tabs. Since the welding of tabs is generally performed by laser welding, Figure 2 As shown, in some embodiments of the present disclosure, the first pressing block 1 has a first cavity 3 that penetrates the first pressing block 1 along a first direction; the second pressing block 2 has a second cavity 4 that penetrates the second pressing block 2 along a first direction; the first cavity 3 and the second cavity 4 are configured as follows: when the first pressing block 1 is connected to the dust collector and connected to the second pressing block 2, the laser beam can pass through the first cavity 3 and the second cavity 4 to the workpiece to be welded, so as to weld the workpiece to be welded. For example, a light inlet for the laser beam to be injected into the first pressing block 1 is provided on a side of the first cavity 3 away from the second pressing block 2, and the first cavity 3 is close to the second pressing block 2. A first connection port is provided on one side of the pressing block 2 for emitting a laser beam out of the first pressing block 1; a second connection port is provided on a side of the second cavity 4 close to the first pressing block 1 for emitting a laser beam into the second pressing block 2, and a light outlet is provided on a side of the second cavity 4 away from the first pressing block 1 for emitting a laser beam out of the second pressing block 2; when the first pressing block 1 and the second pressing block 2 are connected, at least a portion of the first connection port can be fitted with the second connection port, so that the laser beam entering the first cavity 3 through the light inlet can enter the second cavity 4 through the second connection port, and then be emitted from the light outlet to weld the workpiece to be welded.

[0028] The first cavity 3 and the second cavity 4 may be constructed as a shrinkage structure with a gradually decreasing cross-section along the first direction, so that the laser beam can be more efficiently transmitted to the workpiece to be welded, thereby improving welding efficiency and welding quality.

[0029] In some embodiments, the first pressing block 1 is provided with a first protective gas hole 5, the second pressing block 2 is provided with a second protective gas hole 6, and the second protective gas hole 6 is formed with an outlet 10 connected to the second cavity 4 at one end away from the first pressing block 1; the first protective gas hole 5 and the second protective gas hole 6 can be connected when the first pressing block 1 and the second pressing block 2 are connected. During welding, protective gas is introduced into the first protective gas hole 5 so that the protective gas can pass through the first protective gas hole 5 and the second protective gas hole 6 and enter the second cavity 4 from the outlet 10. Since the outlet 10 is arranged at the end of the second protective gas hole 6 away from the first pressing block 1, that is, close to the side of the workpiece to be welded, the protective gas can fully contact the welding area of ​​the workpiece to be welded, thereby preventing the workpiece to be welded from reacting with oxygen and affecting the welding quality.

[0030] In some embodiments not shown, the welding block may only be provided with a first protective gas hole 5 on the first block 1 and an outlet 10 may be provided at one end of the first protective gas hole 5 close to the second cavity 4, so that the protective gas will first enter the first cavity 3 after flowing out from the outlet 10, and then flow to the second cavity 4 until the welding area of ​​the workpiece to be welded; or, the welding block may be provided with a first protective gas hole 5 on the first block 1, a second protective gas hole 6 on the second block 2, and outlets 10 may be provided on both the first protective gas hole 5 and the second protective gas hole 6, so that the protective gas can fill the first cavity 3 and the second cavity 4 through the first protective gas hole 5 and the second protective gas hole 6, so as to fully contact the workpiece to be welded.

[0031] Of course, in order to further ensure that the shielding gas can fully contact the welding area of ​​the workpiece to be welded, multiple first shielding gas holes 5, second shielding gas holes 6 and gas outlets 10 can be provided, and the present disclosure does not limit this.

[0032] It should be noted that the protective gas disclosed in the present invention can be configured as one of a variety of inert gases, such as helium, argon or nitrogen.

[0033] In the embodiment of the present disclosure, the aperture of the second protective air hole 6 near the first protective air hole 5 is larger than the aperture of the first protective air hole 5 near the second protective air hole 6. This can prevent the protective air holes from being blocked due to insufficient processing accuracy after the first pressing block 1 and the second pressing block 2 are connected.

[0034] In some embodiments, the first pressing block 1 may be made of brass, the inner wall of the first cavity 3 is coated with a ceramic protective layer, and the ceramic protective layer may be arranged on the inner wall of the first cavity 3 by a process such as cladding or inlaying; the second pressing block 2 may be made of ceramic. The workpiece to be welded, such as the ear and other materials, is generally made of metallic copper. Therefore, the molten copper welding slag splashed during welding is very easy to fuse with the pressing block, which in turn causes the pressing block to be unable to work normally due to the adhesion of a large amount of welding slag, affecting its service life. The use of high-melting-point ceramics as a protective layer and substrate can prevent the molten welding slag from fusing with the ceramics. It can only rely on the intermolecular force to adhere to the surface of the welding pressing block, making it very easy to fall off and clean, thereby effectively reducing the degree of adhesion of the welding slag. Moreover, since the second pressing block 2 is composed of a ceramic material as a whole, the heat generated during welding can also be quickly transferred, ensuring the quality of welding. Among them, the ceramic protective layer and the ceramic can be configured as AlN ceramics (aluminum nitride ceramics) with an extremely high melting point, or SiC ceramics, diamond, graphite, etc. can also be used. The material of the first pressing block 1 can also be YG15 cemented carbide, NA30 tungsten steel, W85Cu and other metal materials.

[0035] In the embodiments of the present disclosure, Figure 1 As shown, a mounting portion 101 for connecting to a dust removal device is formed on the first pressing block 1, so that the first pressing block 1 can be easily connected to the dust removal device, wherein the mounting portion 101 can be constructed as a plate structure to increase the connection area between the first pressing block 1 and the dust removal device to ensure the connection effect after the two are connected, and a plurality of connection holes can be set on the mounting portion 101, and the first pressing block 1 can be connected to the dust removal device through the connection holes by means such as bolts or screws; in addition, in order to ensure the connection between the first pressing block 1 and the second pressing block 2, the second pressing block 2 can be formed with a first mounting hole 201, and the first pressing block 1 can be formed with a second mounting hole corresponding to the first mounting hole 201 (not shown in the figure), and a locking member 202 such as a bolt or a screw can pass through the first mounting hole 201 and be connected to the second mounting hole, so that the second pressing block 2 can be detachably connected to the first pressing block 1, which can ensure the stability of the first pressing block 1 and the second pressing block 2 after connection, and also facilitate the disassembly and assembly of the two.

[0036] In the second aspect of the present disclosure, Figure 3 and Figure 4 As shown, a welding device is provided, comprising a welding device (not shown in the figure), a dust removal device and the above-mentioned welding pressing block, the dust removal device comprises a dust removal cover 7, and the first pressing block 1 is connected to the dust removal cover 7 through a connecting plate 8. The dust removal device can generate negative pressure to extract the fume and dust generated by the welding pressing block during welding, so that the fume and dust are sequentially passed through the second cavity 4, the first cavity 3 and the dust removal cover 7, and discharged from the dust removal cover 7, thereby improving the working environment during welding.

[0037] In addition, a flexible connector 9 can be clamped between the connecting plate 8 and the dust hood 7. The flexible connector 9 can block the gap between the two, thereby reducing the working noise while preventing the smoke and dust sucked by the dust removal device from being discharged from the gap, thereby achieving the effects of noise reduction and dust prevention at the same time.

[0038] In the present disclosure, the flexible connecting member 9 may be a polyurethane sponge.

[0039] In summary, the working principle of the welding equipment disclosed in the present invention is as follows: before the welding operation, one end of the first pressing block 1 is connected to the dust removal device, and the other end is connected to the second pressing block 2 by bolts through the first mounting hole 201 and the second mounting hole. During the welding process, the side of the second pressing block 2 away from the first pressing block 1 will abut against the workpiece to be welded to fix the workpiece to be welded, and then the laser will pass through the first cavity 3 and the second cavity 4 to perform welding processing on the workpiece to be welded. At the same time, protective gas will also be introduced into the first protective gas hole 5 and the second protective gas hole 6, and the protective gas will eventually be discharged to the surroundings of the workpiece to be welded through the gas outlet 10, thereby preventing it from reacting with external oxygen and improving the quality of welding. In addition, since the first pressing block 1 is provided with AlN ceramic Ceramic layer, and the second pressing block 2 is directly made of AlN ceramic, therefore, the copper welding slag generated during welding will not adhere to the welding pressing block, thereby ensuring the service life of the welding pressing block, and when the second pressing block 2 is damaged due to long-term work, the staff can also simply and conveniently disassemble and replace the second pressing block 2 by unscrewing the bolts, so that on the one hand, when replacing the welding pressing block, only part of the welding pressing block needs to be replaced instead of replacing all the welding pressing blocks, thus saving the cost of replacing the welding pressing block, and on the other hand, there is no need to remove the welding pressing block from the dust removal device of the welding equipment to complete the replacement of the welding pressing block, thus saving the relatively complicated working process and the time consumed when disassembling and assembling the welding pressing block and the welding equipment, thereby improving the production efficiency.

[0040] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0041] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0042] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A welding block, characterized in that: include: a first pressing block, for connecting to a dust removal device of a welding device, and A second pressing block, detachably connected to the first pressing block, for abutting and fixing the workpiece to be welded; The second pressing block is formed with a first mounting hole, the first pressing block is formed with a second mounting hole corresponding to the first mounting hole, and the locking member passes through the first mounting hole and is connected to the second mounting hole to detachably connect the second pressing block to the first pressing block.

2. The welding block according to claim 1, characterized in that: The first pressing block has a first cavity penetrating the first pressing block along a first direction; The second pressing block has a second cavity penetrating the second pressing block along the first direction; The first cavity and the second cavity are configured such that when the first pressing block is connected to the dust removal device and the second pressing block, a laser beam can pass through the first cavity and the second cavity and be emitted to the workpiece to be welded.

3. The welding block according to claim 2, characterized in that: The first cavity and the second cavity are configured as a shrinkage structure with a cross section gradually decreasing along the first direction.

4. The welding block according to claim 2, characterized in that: The first pressing block is provided with a first protective air hole, the second pressing block is provided with a second protective air hole, and an air outlet communicating with the second cavity is formed at one end of the second protective air hole away from the first pressing block; The first protective gas hole and the second protective gas hole can be connected when the first pressing block and the second pressing block are connected, so that the protective gas can pass through the first protective gas hole and the second protective gas hole and enter the second cavity through the gas outlet.

5. The welding block according to claim 4, characterized in that: The aperture of the second protective air hole at one end close to the first protective air hole is larger than the aperture of the first protective air hole at one end close to the second protective air hole.

6. The welding block according to claim 5, characterized in that: The first pressing block is made of brass, and the inner wall of the first cavity is covered with a ceramic protective layer; The second pressing block is made of ceramic.

7. The welding block according to claim 6, characterized in that: The ceramic protective layer and the ceramic are both configured as AlN ceramics.

8. The welding block according to any one of claims 1 to 7, characterized in that: The first pressing block is formed with a mounting portion for connecting with the dust removal device.

9. A welding device, characterized in that: The invention comprises a welding device, a dust removal device and a welding pressing block according to any one of claims 1 to 8, wherein the dust removal device comprises a dust removal cover, and the first pressing block is connected to the dust removal cover via a connecting plate.

10. The welding device according to claim 9, characterized in that A flexible connecting piece for noise reduction and dust prevention is sandwiched between the connecting plate and the dust removal cover.

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