Welding positioning tool and operation method

Abstract

The invention discloses a welding positioning tool and an operation method. The welding positioning tool comprises a positioning part and a jacking part, the positioning part comprises a bottom plate, a top plate, a plurality of guide columns and a locking assembly, the jacking part and the positioning part are arranged in a split mode, the jacking part comprises an upper jacking rod and a lower pressing rod which are in threaded connection, and the jacking part can be arranged between the bottom plate and the top plate. In the welding process, the flow guide pipe is firstly positioned through the positioning bosses on the bottom plate and the top plate, and then the upper / lower faceplate is extruded towards the two ends through the upper ejector rod and the lower pressing rod, so that the upper / lower faceplate can be stably positioned and kept at the two ends of the flow guide pipe, and the welding operation is facilitated. By adopting the scheme, the flow guide body can be quickly and accurately positioned and assembled, and the welding quality and the welding efficiency of the flow guide body are improved.

Description

Technical Field

[0001] This invention relates to the field of welding technology, and specifically to a welding positioning fixture and its operation method. Background Technology

[0002] In lithium-ion battery manufacturing, the positive electrode slurry typically consists of binders, conductive agents, and positive electrode materials; the negative electrode slurry consists of binders and graphite carbon powder. The preparation of both positive and negative electrode slurries involves a series of processes, including mixing, dissolving, and dispersing liquids with liquids and with solids, all of which are accompanied by changes in temperature, viscosity, and environment. To improve the quality of lithium-ion battery slurries, a demagnetizing filter is needed to remove magnetic ferrous substances from the slurry.

[0003] like Figure 1 As shown, this is a magnetic rod filter. It has a guide fluid 10 inside the cylinder, and each magnetic rod can be inserted into a guide tube of the guide fluid. This allows each magnetic rod to remain independent and not interfere with each other. At the same time, the guide tubes restrict the material to always keep it within an effective adsorption distance from the magnetic rods when passing through the guide tubes. This ensures that the magnetic rods effectively adsorb the magnetic ferrous substances in the material, improves the filtration performance, and allows multiple magnetic rods to be arranged in parallel through the guide fluid, increasing the flow rate and making it suitable for high flow conditions.

[0004] like Figure 2 As shown, the guide fluid in the magnetic rod filter is a structure formed by welding the upper disc 7, the lower disc 8, and several guide tubes 9 into one piece.

[0005] Currently, the specific operating steps for welding the above-mentioned guide tube are as follows: First, insert one end of the guide tube into the through hole of one of the flower plates, and then weld the guide tube to the flower plate all around. After welding all the guide tubes to the flower plates, insert the other end of the guide tube into the through hole of another flower plate, and then perform full welding to fix it.

[0006] However, in actual welding operations, it is difficult to quickly position the guide tube and the flower plate, especially when welding the second flower plate. Due to the dimensional errors of the parts themselves and the angular offset that may be caused during the welding assembly process, it is difficult for the second flower plate to be easily fitted over each guide tube. Even after they are fitted together, it is difficult to ensure that they are perpendicular to each other. It is often necessary to tap them repeatedly to adjust their positions, which affects the welding quality and welding efficiency of the product. Summary of the Invention

[0007] To overcome the shortcomings of the prior art, the present invention provides a welding positioning fixture for achieving rapid and accurate positioning between the guide tube and the upper / lower flower plate during the welding process of the guide tube, thereby improving welding quality and welding efficiency.

[0008] The technical solution adopted in this invention is: a welding positioning fixture, comprising a positioning part and a pressing part; The positioning component includes: The base plate has a plurality of first positioning protrusions on its upper surface, and the first positioning protrusions are circumferentially spaced with the center of the base plate as the center. Several vertically arranged guide posts are fixedly connected to the bottom plate at their lower ends, and the guide posts are evenly distributed along the circumferential edge of the bottom plate; The top plate has several guide holes at its edge that correspond to the guide posts. The top plate is sleeved on the guide posts through the guide holes and can move up and down relative to the guide posts. The lower surface of the top plate is also provided with several second positioning bosses that correspond to the first positioning bosses. A locking assembly, located above the top plate, that engages with the top plate for limiting movement; The top pressing part and the positioning part are separately arranged, and the top pressing part includes a threaded upper push rod and a lower press rod, and the top pressing part can be arranged between the bottom plate and the top plate.

[0009] The positioning welding steps for the fluid guide using the above-mentioned welding positioning fixture are as follows: Step 1: Place the upper / lower flower discs of the guide fluid onto the upper and lower ends of each guide tube; Step 2: Place the guide tubes between the bottom plate and the top plate, wherein the lower end of each guide tube is sleeved and positioned with the first positioning boss of the bottom plate, and the upper end of each guide tube is sleeved and positioned with the second positioning boss of the top plate. Step 3: Lock the top plate using the locking assembly so that the bottom plate and the top plate can clamp the guide pipe. Step 4: Place the top pressure part between the upper and lower flower plates of the guide tube. By rotating the upper push rod and the lower pressure rod, the upper push rod pushes the upper flower plate upward and the lower pressure rod presses the lower flower plate downward until the upper flower plate is tightly attached to the top plate and the lower flower plate is tightly attached to the bottom plate. This completes the assembly and positioning of the guide tube. At this time, the upper and lower flower plates are basically parallel and perpendicular to the guide tube. The structure is stable and the positioning is accurate. Step 5: Use argon arc welding / laser welding to sequentially weld and seal each guide tube to the upper / lower flower plate; Step 6: After welding is completed, rotate the upper push rod and the lower pressure rod in the opposite direction so that the upper push rod and the lower pressure rod retract relative to each other, and move the entire pressing part out from between the upper and lower flower plates of the guide fluid; Step 7: Loosen the locking assembly, move the top plate, and finally remove the welded guide fluid.

[0010] Preferably, the guide post is a threaded rod, and the locking assembly consists of several locking nuts that are threaded with the guide post. The structure is simple and the tooling manufacturing cost is low.

[0011] Preferably, the first positioning boss is detachably connected to the base plate; the second positioning boss is detachably connected to the top plate. This detachable connection allows the first and second positioning bosses to be interchanged, thus accommodating fluid guides of different sizes.

[0012] Preferably, there are 5 first positioning bosses, and the interval between adjacent first positioning bosses is 60°.

[0013] Preferably, both the first positioning boss and the second positioning boss are made of PP plastic to avoid scratching the guide tube during the positioning and assembly process.

[0014] Preferably, the upper push rod includes a top block, a handle, and a screw. The handle is located at the bottom center of the top block, and the screw is located at the bottom center of the handle. The lower pressure rod includes a pressure plate and a threaded tube. The threaded tube is located at the top center of the pressure plate, and a threaded hole adapted to the screw is formed at its center. The top block and pressure block increase the contact surface, ensuring force balance during the pressing process. The handle and threaded tube facilitate manual operation.

[0015] Preferably, the top block and pressure plate are made of PP plastic to avoid hard-on-hard pressure during the pressing process and to prevent the upper / lower flower discs from being squeezed, deformed, or damaged.

[0016] The beneficial effects of the present invention are as follows: By adopting the above scheme, during the welding process, the guide tube is first positioned by the positioning bosses on the bottom plate and the top plate, and then the upper / lower flower plates are pressed towards both ends by the upper push rod and the lower pressure rod, thereby ensuring that the upper / lower flower plates can be stably positioned and held at both ends of the guide tube, thereby enabling the guide tube to be quickly and accurately positioned and assembled, and improving the welding quality and welding efficiency of the guide tube. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a magnetic rod filter.

[0018] Figure 2 for Figure 1 The diagram shows the structure of the fluid guide in the magnetic rod filter.

[0019] Figure 3 This is a schematic diagram of a welding positioning fixture according to an embodiment of the present invention.

[0020] Figure 4 This is a schematic diagram of the positioning part in an embodiment of the present invention.

[0021] Figure 5 This is a schematic diagram of the structure of the base plate in an embodiment of the present invention.

[0022] Figure 6This is a schematic diagram of the top plate structure according to an embodiment of the present invention.

[0023] Figure 7 This is a schematic diagram of the top pressure part in an embodiment of the present invention. Detailed Implementation

[0024] The embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0025] like Figures 1-2 As shown, a magnetic rod filter includes a housing, a magnetic rod, and a fluid guide 10; wherein, the fluid guide 10 includes: The upper flower plate 7 is formed with several first through holes 71; The lower flower plate 8 has several second through holes 81 corresponding to the first through hole 71; Several guide tubes 9 are inserted into the first through hole 71 and the second through hole 81 at their upper and lower ends respectively and welded together.

[0026] The fluid guide is disposed inside the housing, and the upper and lower flower discs 7 and 8 of the fluid guide are sealed together with the inner wall of the housing by welding, dividing the interior of the housing into multiple chambers. The magnetic rods are respectively disposed in each of the fluid guide tubes 9.

[0027] like Figures 3-7 As shown, a welding positioning fixture includes a positioning part and a pressing part.

[0028] The positioning part includes a base plate 1, a guide post 2, a top plate 3, and a locking assembly 4.

[0029] The base plate 1 is a stainless steel disc. Five first positioning bosses 11, made of PP plastic, are provided on the upper surface of the base plate 1. These first positioning bosses 11 are arranged circumferentially at 60° intervals around the center of the base plate. The first positioning bosses 11 are detachably connected to the base plate 1, specifically by screws or threads, to facilitate replacement of the first positioning bosses 11.

[0030] Of course, the base plate 1 can also be made of other metal materials, such as copper; the first positioning boss 11 can also be made of other high-temperature resistant plastic materials, and the number is not limited to 5. The overall layout can be set according to actual needs.

[0031] The top plate 3 is positioned directly above the bottom plate 1, and the lower surface of the top plate 3 is provided with a second positioning boss 32 corresponding to the first positioning boss 11. The top plate 3 is also made of stainless steel, and the second positioning boss 32 is also made of PP plastic. The second positioning boss 32 is detachably connected to the top plate 3 to facilitate replacement of the second positioning boss 32.

[0032] In addition, the top plate 3 has a number of guide holes 31 formed at its edge. The specific number of guide holes 31 is 3, and the guide holes 31 are evenly distributed at 120° intervals with the center of the top plate 3 as the center.

[0033] The guide posts 2 are vertically arranged, with their lower ends fixedly connected to the base plate 1. The guide posts 2 are evenly distributed circumferentially along the edge of the base plate 1, corresponding to the guide holes 31 of the top plate 3. The top plate 3 can be fitted onto the guide posts 2 through the guide holes 31 and can move up and down relative to the guide posts.

[0034] The locking assembly 4 is located above the top plate 3 and can be positioned and engaged with the top plate 3. The guide post 2 is a threaded rod, and the locking assembly 4 consists of several locking nuts that are threaded into the guide post 2. Of course, the locking assembly 4 can also use a power source such as a cylinder; in this embodiment, locking nuts are used directly, which is not only simple in structure but also lower in cost.

[0035] The top-pressing part includes a threaded upper push rod 5 and a lower press rod 6.

[0036] The upper push rod 5 includes a top block 51, a handheld part 52, and a screw 53. The top block 51 is used to push the upper flower plate. Its structure is set in a disc shape to ensure a large support contact surface and ensure force balance. The handheld part 52 is used for hand operation. It is located at the bottom center of the top block 51. Its structure is set to facilitate hand operation. The screw 53 is located at the bottom center of the handheld part 52.

[0037] The lower pressure rod 6 includes a pressure plate 61 and a threaded tube 62. The pressure plate 61 is used to push the lower flower disc. It is also set in a disc shape to ensure a large support contact surface and ensure force balance. The threaded tube 62 is set at the top center of the pressure plate 61, and a threaded hole adapted to the screw 53 is formed at its center.

[0038] The top block 51 and the pressure plate 61 are both made of PP plastic to ensure that no obvious indentation damage is caused to the upper / lower flower discs during the pressing process.

[0039] The operation method for welding the guide fluid using the above-mentioned welding positioning fixture includes the following steps: Step 1: Place the upper flower plate 7 and the lower flower plate 8 onto the upper and lower ends of the guide tube 9, respectively; Step 2: Place the guide tube 9 between the bottom plate 1 and the top plate 3, wherein the lower end of the guide tube 9 is sleeved and positioned with the first positioning boss 11 of the bottom plate 1, and the upper end of the guide tube 9 is sleeved and positioned with the second positioning boss 32 of the top plate 3. Step 3: Lock the top plate 3 by locking the locking assembly 4 so that the bottom plate 1 and the top plate 3 can clamp the guide pipe 9. Step 4: Place the top pressure part between the upper flower plate 7 and the lower flower plate 8 of the fluid guide. By rotating the upper push rod 5 and the lower pressure rod 6, the upper push rod 5 pushes the upper flower plate 7 upward and the lower pressure rod 6 presses the lower flower plate 8 downward until the upper flower plate 7 is tightly attached to the top plate 3 and the lower flower plate is tightly attached to the bottom plate. Step 5: Weld the guide tube 9 to the upper flower plate 7 and the lower flower plate 8; Step 6: After welding is completed, retract the upper push rod 5 and the lower pressure rod 6 by rotating them in the opposite direction, and move the entire push part out from between the upper flower plate 7 and the lower flower plate 8 of the guide fluid; Step 7: Loosen the locking assembly 4, move the top plate 3 upwards, and finally remove the guide fluid to complete the operation.

[0040] In the description of this invention, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0041] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. Furthermore, in the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0042] Please note to all technical personnel: Although the present invention has been described according to the specific embodiments above, the inventive concept of the present invention is not limited to this invention. Any modifications that utilize the inventive concept will be included within the scope of protection of this patent.

Claims

1. A welding positioning fixture, characterized in that, Includes the positioning part and the top pressing part; The positioning component includes: The base plate (1) has a plurality of first positioning bosses (11) on its upper surface, and the first positioning bosses (11) are distributed circumferentially with the center of the base plate as the center. Several vertically arranged guide posts (2) are fixedly connected to the bottom plate (1) at their lower ends, and the guide posts (2) are evenly distributed along the circumferential edge of the bottom plate (1); The top plate (3) has several guide holes (31) corresponding to the guide post (2) at its edge. The top plate (3) is sleeved on the guide post (2) through the guide holes (31) and can move up and down relative to the guide post (2). The lower surface of the top plate (3) is also provided with several second positioning bosses (32) corresponding to the first positioning boss (11). Locking assembly (4) is located above the top plate (3) and can be locked in place with the top plate (3); The top pressing part and the positioning part are set separately. The top pressing part includes a threaded upper push rod (5) and a lower press rod (6), and the top pressing part can be set between the bottom plate (1) and the top plate (3).

2. The welding positioning fixture according to claim 1, characterized in that: The guide post (2) is a threaded rod, and the locking assembly (4) consists of several locking nuts that are threadedly engaged with the guide post (2).

3. The welding positioning fixture according to claim 1, characterized in that: The first positioning boss (11) is detachably connected to the bottom plate (1); the second positioning boss (32) is detachably connected to the top plate (3).

4. The welding positioning fixture according to claim 1, characterized in that: The first positioning boss (11) has 5 units, and the adjacent first positioning bosses (11) are spaced 60° apart.

5. The welding positioning fixture according to claim 1, characterized in that: Both the first positioning boss (11) and the second positioning boss (32) are made of PP plastic.

6. The welding positioning fixture according to claim 1, characterized in that: The guide post (2) is provided in three parts, and the guide post (2) is evenly distributed at 120° intervals.

7. The welding positioning fixture according to claim 1, characterized in that: The upper push rod (5) includes: Top block (51); Hand-held part (52) is located at the bottom center of the top block (51); The screw (53) is located at the bottom center of the handle (52); The pressure rod (6) includes: Pressure plate (61); A threaded tube (62) is provided at the top center of the pressure plate (61), and a threaded hole adapted to the screw (53) is formed at its center.

8. The welding positioning fixture according to claim 7, characterized in that: Both the top block (51) and the pressure plate (61) are made of PP plastic.

9. An operation method based on the welding positioning fixture according to any one of claims 1-8, used for positioning welding of a fluid guide, the fluid guide comprising: The upper flower plate (7) has several first through holes (71); The lower flower plate (8) has several second through holes (81) corresponding to the first through hole (71); Several guide tubes (9) are inserted into the first through hole (71) and the second through hole (81) at their upper and lower ends respectively and welded together; Its characteristic is that the positioning and welding steps of the above-mentioned fluid guide are as follows: Step 1: Place the upper flower plate (7) and the lower flower plate (8) on the upper and lower ends of the guide tube (9), respectively; Step 2: Place the guide tube (9) between the bottom plate (1) and the top plate (3), wherein the lower end of the guide tube (9) is sleeved and positioned with the first positioning boss (11) of the bottom plate (1), and the upper end of the guide tube (9) is sleeved and positioned with the second positioning boss (32) of the top plate (3). Step 3: The top plate (3) is locked by the locking assembly (4) so ​​that the bottom plate (1) and the top plate (3) can clamp the guide pipe (9). Step 4: Place the top pressure part between the upper flower plate (7) and the lower flower plate (8) of the fluid guide. By rotating the upper push rod (5) and the lower pressure rod (6) relative to each other, the upper push rod (5) pushes the upper flower plate (7) upward and the lower pressure rod (6) presses the lower flower plate (8) downward until the upper flower plate (7) is tightly attached to the top plate (3) and the lower flower plate (8) is tightly attached to the bottom plate (1). Step 5: Weld the guide tube (9) to the upper flower plate (7) and the lower flower plate (8); Step 6: After welding is completed, the upper push rod (5) and the lower pressure rod (6) are retracted by rotating in the opposite direction, and the entire push part is moved out between the upper flower plate (7) and the lower flower plate (8) of the guide fluid; Step 7: Loosen the locking assembly (4), move the top plate (3) up, and finally remove the guide fluid to complete the operation.

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