Filter spot welding tool

Abstract

The utility model discloses a spot welding tool for a filter, relates to the technical field of air filter machining accessory devices, and aims to solve the problems that in the prior art, in order to weld welding spots uniformly, calculation needs to be carried out firstly, then alignment welding is carried out through rotation, and the operation difficulty is high. A rotating mechanism is rotatably connected to the first supporting plate and comprises a rotating shaft, a positioning block is detachably connected to the rotating shaft, a sliding way is formed in the side face of the positioning block, a limiting groove is formed in the sliding way, and a positioning mechanism is arranged on the portion, above the positioning block, of the first supporting plate and comprises a positioning shell, a top shaft is arranged in the positioning shell, and a limiting plate is arranged on the top shaft. According to the utility model, through the arrangement of the positioning block and the positioning mechanism, the spot welding angle can be directly determined without calculation, for example, the number of welding spots of a filter element is increased, and the number of the positioning blocks of which the number of the limiting grooves is the same as that of the welding spots is replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of air filter processing accessory devices, in particular to a filter spot welding tool. Background Art

[0002] Micro engine filters are filters designed for small engines and are usually used in the air intake system of micro engines. Compared with ordinary engine filters, micro engine filters may be smaller and lighter, but the functions and principles are similar. They also play the role of filtering air and protecting the engine from impurities.

[0003] Chinese patent CN215357048U discloses a shell welding tool for processing air filters. The technical solution adopted is to place the filter between the left and right clamping plates, shake the second handle to control the left and right clamping plates to clamp the filter, and shake the first handle to drive the left and right clamping plates and the filter to rotate for auxiliary welding. This technical solution also has the following shortcomings: when welding, in order to ensure the appearance, the welding points need to be welded evenly, the welding point positions need to be calculated first, and then the welding is accurately found by rotation, which is difficult to operate. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a filter spot welding tool, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model discloses a filter spot welding tool, and the technical solution adopted is that it includes a bottom plate. The bottom plate is mirror-imaged with a first support plate and a second support plate, the second support plate is rotatably connected to a clamping mechanism, the first support plate is rotatably connected to a rotating mechanism, the rotating mechanism includes a rotating shaft, a positioning block is detachably connected to the rotating shaft, a slideway is provided on the side of the positioning block, a limiting groove is provided on the slideway, a magnet is provided on one side of the positioning block, a positioning mechanism is provided on the first support plate above the positioning block, the positioning mechanism includes a positioning shell, a top shaft is penetrated and slidably connected in the positioning shell, a limiting plate is provided on the top shaft, a cavity is provided in the positioning shell, the limiting plate is located inside the cavity, and a spring is provided between the limiting plate and the top of the cavity.

[0006] As a preferred technical solution of the utility model, a threaded hole is provided on the second support plate, and the clamping mechanism includes a screw rod, which is rotatably connected to the inside of the threaded hole. A first hand wheel is provided at the end of the screw rod on the outside of the second support plate, and an anti-slip groove is provided on the first hand wheel. The other end of the screw rod is connected to the first center through a first bearing, so that rotating the screw rod can drive the first center point to move forward and backward, thereby achieving clamping.

[0007] As a preferred technical solution of the utility model, the rotating shaft is rotatably connected to the inside of the first support plate through a second bearing, a baffle is provided on the rotating shaft on the left side of the first support plate, the baffle is a metal plate that can be attracted by a magnet, a spline is provided on the rotating shaft on the left side of the baffle, and a second tip is provided on the end of the rotating shaft.

[0008] As a preferred technical solution of the utility model, a second hand wheel is provided at the other end of the rotating shaft, and the outer diameter of the second hand wheel is smaller than the outer diameter of the rotating shaft, so that there will be no conflict with the second hand wheel when the positioning block is replaced.

[0009] As a preferred technical solution of the utility model, a keyway is provided in the middle of the positioning block, the positioning block is slidably connected to the rotating shaft through the keyway, and is fixed by the keyway and the spline, and does not affect the disassembly of the positioning block.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the utility model, through the arrangement of the positioning block and the positioning mechanism, can directly determine the spot welding angle without calculation, such as increasing the number of welding points on the filter element and replacing the positioning block with the same number of limiting grooves as the number of welding points. By making the outer diameter of the second handwheel smaller than the outer diameter of the rotating shaft, it is achieved that when the positioning block is replaced, there is no conflict with the second handwheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is the front view of the structure of the utility model;

[0013] Figure 3 This is an exploded view of the clamping mechanism of the utility model;

[0014] Figure 4 This is an exploded view of the rotating shaft of the utility model;

[0015] Figure 5 This is a schematic diagram of the positioning block structure of the utility model;

[0016] Figure 6 It is a cross-sectional view of the positioning mechanism of the utility model.

[0017] In the figure: 1. bottom plate; 101. first support plate; 102. second support plate; 2. clamping mechanism; 201. screw; 202. first hand wheel; 203. first bearing; 204. first top; 3. rotating mechanism; 301. rotating shaft; 302. second bearing; 303. spline; 304. baffle; 305. second hand wheel; 306. second top; 4. positioning block; 401. keyway; 402. limiting groove; 403. slideway; 404. magnet; 5. positioning mechanism; 501. positioning shell; 5011. cavity; 502. top shaft; 5021. limiting plate; 503. spring; 6. filter element. 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. Example

[0019] like Figures 1 to 6 As shown, the utility model discloses a filter spot welding fixture, which adopts a technical solution that includes a base plate 1, a first support plate 101 and a second support plate 102 are mirror-imaged on the base plate 1, a threaded hole is provided on the second support plate 102, a clamping mechanism 2 is rotatably connected to the second support plate 102, and the clamping mechanism 2 includes a screw 201, the screw 201 is rotatably connected to the inside of the threaded hole, a first hand wheel 202 is provided at one end of the screw 201, an anti-slip groove is provided on the first hand wheel 202, a first top 204 is provided at the other end of the screw 201, and the screw 201 and the first top 204 are connected to each other. There is a first bearing 203 in between, the screw 201 is rotatably connected to the first top 204 through the first bearing 203, the first support plate 101 is rotatably connected to the rotating mechanism 3 through the second bearing 302, the rotating mechanism 3 includes a rotating shaft 301, a baffle 304 is provided on the rotating shaft 301 on the left side of the first support plate 101, a spline 303 is provided on the rotating shaft 301 on the left side of the baffle 304, a second hand wheel 305 is provided at the left end of the rotating shaft 301, the outer diameter of the second hand wheel 305 is smaller than the diameter of the rotating shaft 301, and a second top 306 is provided at the other end of the rotating shaft 301.

[0020] As an optimal technical solution of the utility model, the rotating shaft 301 is slidably connected to the positioning block 4, a key slot 401 is provided inside the positioning block 4, a slideway 403 is provided on the side of the positioning block 4, a limiting groove 402 is provided in the slideway 403, and the number of the limiting grooves 402 is set according to actual conditions. The limiting grooves 402 are arranged in a ring array on the positioning block 4, and a magnet 404 is provided on one side of the positioning block 4. The positioning block 4 is clamped to the spline 303 through the key slot 401 so that it can rotate synchronously, and the magnet 404 is attracted to the baffle 304 to fix the positioning block 4.

[0021] As a preferred technical solution of the utility model, there is a positioning mechanism 5 on the first support plate 101 above the positioning block 4, and the positioning mechanism 5 includes a positioning shell 501, a top shaft 502 is slidably connected inside the positioning shell 501, a cavity 5011 is opened in the positioning shell 501, a limit plate 5021 is provided on the top shaft 502, the limit plate 5021 is located inside the cavity 5011, and a spring 503 is provided between the limit plate 5021 and the top of the cavity 5011.

[0022] The working principle of the utility model is: first rotate the first hand wheel 202 to make the first top 204 move to the right, at this time, one end of the filter element 6 is pressed against the second top 306, and then the first hand wheel 202 is rotated in the opposite direction to make the first top 204 press against the other end of the filter element 6, so that the filter element 6 is clamped as shown in FIG. Figure 1 As shown, the positioning block 4 is sleeved on the spline 303 of the rotating shaft 301, and then fixed by the mutual attraction between the magnet 404 and the baffle 304, and the second hand wheel 305 is slightly turned to make the top shaft 502 push into the limiting groove 402 to achieve jamming. At this time, spot welding can be performed on the filter element 6. After the spot welding is completed, the second hand wheel 305 is rotated to make the top shaft 502 push into the next limiting groove 402 to achieve automatic indexing, and then spot welding can be performed. If the number of welding points is increased, the positioning block 4 with the same number of limiting grooves 402 as the number of welding points can be replaced.

[0023] The mechanical connection involved in the present utility model is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of tests, which belongs to common knowledge.

[0024] Components not described in detail herein are prior art.

[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filter spot welding tool, comprising a bottom plate (1), characterized in that: The base plate (1) is provided with a first support plate (101) and a second support plate (102) in mirror image. The second support plate (102) is rotatably connected to a clamping mechanism (2). The first support plate (101) is rotatably connected to a rotating mechanism (3). The rotating mechanism (3) comprises a rotating shaft (301). A positioning block (4) is detachably connected to the rotating shaft (301). A slideway (403) is provided on a side of the positioning block (4). A limiting groove (402) is provided on the slideway (403). A magnet (404) is provided on one side of the positioning block (4). A positioning mechanism (5) is provided on the first support plate (101) above the positioning block (4), the positioning mechanism (5) comprising a positioning shell (501), a top shaft (502) passing through the positioning shell (501) and slidably connected thereto, a limiting plate (5021) being provided on the top shaft (502), a cavity (5011) being provided in the positioning shell (501), the limiting plate (5021) being located inside the cavity (5011), and a spring (503) being provided between the limiting plate (5021) and the top of the cavity (5011).

2. A filter spot welding tool according to claim 1, characterized in that: A threaded hole is provided on the second support plate (102), and the clamping mechanism (2) comprises a screw rod (201), the screw rod (201) is rotatably connected to the inside of the threaded hole, a first hand wheel (202) is provided at the end of the screw rod (201) outside the second support plate (102), and the other end of the screw rod (201) is connected to a first top (204) via a first bearing (203).

3. A filter spot welding tool according to claim 1, characterized in that: The rotating shaft (301) is rotatably connected to the inside of the first support plate (101) via a second bearing (302); a baffle (304) is provided on the rotating shaft (301) on the left side of the first support plate (101); a spline (303) is provided on the rotating shaft (301) on the left side of the baffle (304); and a second tip (306) is provided at the end of the rotating shaft (301).

4. A filter spot welding tool according to claim 3, characterized in that: A second hand wheel (305) is provided at the other end of the rotating shaft (301), and the outer diameter of the second hand wheel (305) is smaller than the outer diameter of the rotating shaft (301).

5. A filter spot welding tool according to claim 4, characterized in that: A keyway (401) is provided in the middle of the positioning block (4), and the positioning block (4) is slidably connected to the rotating shaft (301) via the keyway (401), and is fixed by the keyway (401) in cooperation with the spline (303).

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