CN114799699B - Battery cover plate pole welding tool - Google Patents
Battery cover plate pole welding tool Download PDFInfo
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- CN114799699B CN114799699B CN202210586288.XA CN202210586288A CN114799699B CN 114799699 B CN114799699 B CN 114799699B CN 202210586288 A CN202210586288 A CN 202210586288A CN 114799699 B CN114799699 B CN 114799699B
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- cover plate
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- 238000003466 welding Methods 0.000 title claims abstract description 56
- 238000003825 pressing Methods 0.000 claims abstract description 127
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 230000000149 penetrating effect Effects 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 239000011796 hollow space material Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a battery cover plate pole welding tool which comprises a supporting part, a welding part and a welding part, wherein the supporting part is used for supporting a battery cover plate; the pressing device is matched with the supporting part to press the pole, the pressing device comprises a main body part formed above the supporting part, a pressing driving mechanism used for driving the main body part to move up and down, a mounting hole formed on the main body part and corresponding to the pole mounting groove, and a pole pressing part rotatably arranged in the mounting hole, the pole pressing part is provided with a penetrating space which is vertically penetrated for a welding head to penetrate downwards, and on a horizontal projection plane, the pole pressing part is provided with a shielding part for shielding the battery cover plate; and the rotating device is used for driving the pole pressing part to rotate so as to change the position of the shielding part. Above-mentioned battery cover plate post welding frock has solved oblique pressure problem through simple structure, improves the product yields.
Description
Technical Field
The application relates to the technical field of tool fixtures, in particular to a battery cover plate pole welding tool.
Background
Referring to fig. 1, a battery cover a includes a battery cover body A1, two pole mounting grooves A2 formed on the two battery cover bodies A1, two sealing rings A3, and two poles A4, wherein a through hole a21 is formed in the pole mounting groove A2.
In the production and manufacturing process of the battery cover plate A, two sealing rings A3 are firstly arranged at the position of a through hole A21 of the pole mounting groove A2, then corresponding poles A4 are arranged in the pole mounting groove A2 and pressed on the sealing rings A3, and the two poles A4 are respectively pressed in the two pole mounting grooves A2 through a battery cover plate pole welding tool, so that a splice welding is formed between the edge of the pole A4 and the pole mounting groove A2 (namely, a welding line with closed ends is formed between the edge of the pole A4 and the pole mounting groove A2). In the welding process, in order to ensure that the sealing ring A3 is kept pressed, poor airtight caused by the fact that the sealing ring A3 is not kept pressed is avoided, the welding process cannot be interrupted, welding is required to be completed at one time, however, the pressing piece must cover part of the edge of the pole A4, and therefore the pressing piece needs to avoid an overlapped part in the welding process.
Referring to fig. 2, the conventional welding fixture for battery cover plate pole comprises a bottom plate 101 for supporting a battery cover plate a, a supporting platform 102 arranged above the bottom plate 101, and a rotary pressing mechanism arranged on the bottom plate 101, wherein the rotary pressing mechanism comprises a pressing cylinder 103 vertically arranged below the supporting platform 102, a vertical guide rail 104 vertically arranged on the side of the supporting platform 102, a connecting block 105 arranged on the vertical guide rail 104 and connected with a driving end of the pressing cylinder 103, a rotating shaft 106 arranged on the connecting block 105, a gear 107 arranged on the periphery of the rotating shaft 106, a rack 108 meshed with the gear 107, a rotary driving cylinder (not shown) for driving the rack 108 to move linearly, a '匚' shaped connecting frame 110 arranged on the rotating shaft 106, and a pressing piece 111 arranged on the '匚' shaped connecting frame 110. The rotary pressing mechanism realizes the pressing and rotating functions of the pressing piece 111 through the linkage of the rotary mechanism and the pressing mechanism, the pressing cylinder 103 is located under the pole A4, the vertical guide rail 104 is located on one side of the pressing cylinder 103, and the connecting block 105 is arranged in the middle position of the pressing cylinder 103 and the vertical guide rail 104 for being connected with the vertical guide rail 104 and the cylinder. The rotating shaft 106 needs to be located right below the pole A4 to be coaxially disposed with the pole A4, the inner end of the first transverse portion 1101 at the bottom of the "匚" shaped connecting frame 110 is connected with the upper end vertical output shaft (rotating shaft 106) of the rotary pressing mechanism, the inner end of the second transverse portion 1102 at the top of the "匚" shaped connecting frame 110 is connected with the pressing member 111, and the battery cover plate a is located in the hollow portion 1103 of the "匚" shaped connecting frame 110. Vertical output shaft and '匚' structure lead to need set up supporting bench, base and the connection structure etc. that the structure is more complicated, need make supporting bench, base, connection structure design more space of stepping down to make the structure of battery cover plate utmost point post welding frock more complicated, the production degree of difficulty is higher. In addition, because the seal ring A3 is made of soft materials, and because the vertical output shaft, the "匚" shaped connecting frame 110 and the pole A4 are not on the same axis, when the second transverse portion 1102 is rotated to avoid the overlapping portion, the center of gravity is easily unstable, and the situation of tilting is caused, so that the degree of tilting of the pole A4 relative to the battery cover plate body A1 is large, and the welding quality is affected. In order to solve the problem of diagonal pressing, more and more complex and precise structures are required to avoid the problem of diagonal pressing as much as possible, but none of them can solve the problem well.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problems that: the battery cover plate pole welding tool is simple and ingenious in structure and capable of effectively preventing the oblique pressing problem.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a battery cover plate post welding frock, include:
a support part for supporting the battery cover plate;
The pressing device is matched with the supporting part to press the pole, the pressing device comprises a main body part formed above the supporting part, a pressing driving mechanism used for driving the main body part to move up and down, a mounting hole formed on the main body part and corresponding to the pole mounting groove, and a pole pressing part rotatably arranged in the mounting hole, the pole pressing part is provided with a penetrating space which is vertically penetrated for a welding head to penetrate downwards, and on a horizontal projection plane, the pole pressing part is provided with a shielding part for shielding the battery cover plate;
And the rotating device is used for driving the pole pressing part to rotate so as to change the position of the shielding part.
Further, the pole pressing part comprises a rotating body rotatably arranged in the mounting hole and a pole pressing head arranged on the rotating body and corresponding to the pole position, the penetrating space penetrates through the rotating body in the vertical direction, on the horizontal projection plane, a shielding part is formed on the rotating body at a part between the pole pressing head and the hole wall of the mounting hole, and the rotating device is used for driving the rotating body to rotate so as to change the position of the shielding part.
Further, the rotor is a rotary ring rotatably arranged in the mounting hole, a compression arm is formed on the inner wall of the rotary ring in a radially inward extending manner, an inner hollow space except for the compression arm in the rotary ring forms the penetrating space, the pole pressing head is formed at the position of the inner end of the compression arm corresponding to the pole, on a horizontal projection plane, the compression arm partially shields the battery cover plate in the radial direction, and the rotary device is used for driving the rotary ring to rotate so as to change the position of the compression arm.
Further, the rotating ring is provided with a rotating section which is rotatably arranged in the mounting hole and an exposed section which is exposed out of the mounting hole along the vertical direction, and rotating teeth are distributed on the periphery of the exposed section; the rotating device comprises an engagement part engaged with the rotating teeth and a driving mechanism for driving the engagement part to act so as to rotate the rotating ring engaged with the engagement part.
Further, the engagement portion is a rack, and the driving mechanism is a reciprocating driving mechanism for driving the rack to reciprocate so as to rotate the rotating ring.
Further, the rotating section comprises a lower rotating section and an upper rotating section detachably arranged on the lower rotating section, and the upper end of the upper rotating section extends outwards in the radial direction to form an upper edge; the upper surface of the main body part is provided with an annular groove around the periphery of the central hole, the upper edge is arranged in the annular groove, and the lower surface of the upper edge is connected with the bottom of the annular groove.
Further, the exposed section is located below the rotating section, the rotating teeth are distributed at positions, close to the lower end, of the periphery of the exposed section, a step surface protruding outwards of the outer peripheral surface of the exposed section is formed on the upper end face of the rotating teeth, a pressing ring is arranged on the portion, located above the rotating teeth, of the exposed section in a surrounding mode, the upper surface of the pressing ring is connected with the lower surface of the main body portion, and the lower surface of the pressing ring is connected with the step surface.
Further, the compressing driving mechanism comprises a guiding mechanism and a compressing mechanism, the guiding mechanism comprises a guiding seat arranged between the compressing mechanism and the main body part and a guiding block movably penetrating through the guiding seat along the vertical direction and connected with the main body part, and an output shaft of the compressing mechanism is connected with the guiding block so that the main body part moves along the vertical direction, so that a pole pressing part arranged on the main body part compresses the pole.
Further, hold-down mechanism and guiding mechanism all set up in the below of main part, the upper end of guide block with main part is connected, the guide block has downwards to link up the T-shaped groove of guide block, be equipped with T shape pole in the T-shaped groove, the lower extreme downwardly extending of T shape pole and with hold-down mechanism's output shaft.
Further, still include the material loading layer board, the upper surface on the material loading layer board has the spacing groove that is used for holding battery apron and carries out spacingly to it, the position department that corresponds to in the spacing groove the sealing washer of battery apron is formed with perpendicularly and link up the through-hole of material loading layer board, have in the through-hole be used for right the sealing washer is installed the erection positioning post of location, the upper surface of erection positioning post is higher than the tank bottom face of material loading spacing groove, battery apron is arranged in during the spacing groove of material loading layer board, the sealing washer is located the erection positioning post periphery.
Further, the through hole is a three-stage step hole, the aperture of the upper section hole of the three-stage step hole is smaller than the aperture of the middle section hole, and the aperture of the middle section hole is smaller than the aperture of the lower section hole; the section of the installation positioning column is T-shaped, the installation positioning column is provided with a column body movably penetrating through the upper section hole of the three-stage step hole and a column cap which is formed at the lower end of the column body and has a diameter matched with the aperture of the middle section hole, the height of the column body is greater than that of the upper section hole in the three-stage step hole, and the height of the column cap is smaller than that of the middle section hole of the three-stage step hole; a bottom block is arranged in a lower section hole in the three-stage step hole, and an elastic piece is arranged between the bottom block and the column cap.
The battery cover plate pole welding tool breaks through the design barrier of the traditional battery cover plate welding tool, removes structural cooperation of a traditional rotating pressing mechanism, '匚' connecting frame and a pole pressing head, adopts a main body part with functions similar to an upper template, performs opening and closing cooperation with a supporting part by upward and downward movement of the main body part, facilitates taking and placing of a feeding supporting plate when opening, realizes cooperation of pressing force and supporting force with the supporting part when closing to press the pole, presses a heavy core stably, avoids pole oblique pressing problem, and increases product yield. Through corresponding position trompil and inlay and establish the rotor in main part, make compressing tightly arm, utmost point post pressure head and rotor integrated into one piece, main part continuously output steady pressure holding force makes utmost point post pressure head keep steady pressure holding state, and rethread design rotary mechanism in main part makes the rotor rotate, and rotary device does not produce with compressing tightly device and correlates, reduces the disturbance, increases rotation stability. In conclusion, the battery cover plate pole post welding tool provided by the invention effectively solves the inclined pressure problem, has a simple structure and ingenious thought, and can save more manufacturing cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
Fig. 1 is a schematic structural view of a battery cover plate.
Fig. 2 is a schematic structural view of a conventional battery cover plate pole welding tool.
Fig. 3 is a schematic structural view of an embodiment of the battery cover plate pole welding tool of the present invention.
Fig. 4 is a schematic structural view of the loading pallet in fig. 3.
Fig. 5 is a top view of fig. 3.
Fig. 6 is a cross-sectional view A-A of fig. 5.
Fig. 7 is a partial enlarged view of C1 in fig. 6.
Fig. 8 is a partial enlarged view of C3 in fig. 7.
Fig. 9 is a partial enlarged view of C2 in fig. 6.
Fig. 10 is a schematic view of the structure of the main body in fig. 3.
The meaning of the reference numerals in the drawings are:
A battery cover plate-A; a battery cover plate body-A1; pole mounting groove-A2; perforation-a 21; a first collar-a 22; sealing ring-A3; annular inner wall-a 31; annular outer wall-a 32; an annular connecting portion-a 33; annular groove-a 34; post-A4; pressing the cap-A5; a bottom plate-101; a support platform-102; a compacting cylinder-103; a vertical guide rail-104; connecting block-105; a rotating shaft-106; gear-107; rack-108; 匚 -shaped connecting frame-110; a first transverse portion-1101; a second lateral portion-1102; hollow-1103; a pressing member-111;
A fixed seat-100;
A support section-200; a support base-210; a support plate-220; coarse positioning pin-221; fine positioning pin-222;
A compressing device-300; a main body portion-310; mounting holes-311; annular groove-312; a pressing drive mechanism 320; a hold-down mechanism-321; a guide mechanism-322; a frame body-323; a pole press-holding portion 330; traversing space-331; a rotating ring-332; exposed section-3321; lower rotating section-3322; upper rotating section-3323; upper edge-3324; rotating teeth-3325; a hold-down arm-333; a post ram-334; compression ring-335;
a loading supporting plate-400; fool-proof pin-410; grip handle-420; coarse positioning holes-430; fine positioning holes-440; limit groove-450; limit stops-451; through-hole-460; mounting a positioning column-470; bottom block-480; a second installation groove-481; an elastic member-490; a first mounting groove-491;
Rotating device-500; rack-510; slider-520; a reciprocating drive mechanism-530.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, 3 to 10, the battery cover plate post welding tool of the present invention is used for fixing the battery cover plate a when two posts A4 of the battery cover plate a are welded on the battery cover plate body A1. The battery cover plate pole welding fixture comprises a fixing seat 100, a supporting portion 200 arranged on the fixing seat 100, a pressing device 300 matched with the supporting portion 200 to press the pole A4, and a rotating device 500. In some embodiments, the holder 100 may be replaced with a base/floor, a support base/platform, a mounting base/platform, or the like. The fixing base 100 is an optional component, and the battery cover plate pole welding tool can be directly installed on some platforms (such as working platforms of some devices) according to requirements. The supporting portion 200 is mounted on the fixing base 100, and is used for setting a supporting height according to actual requirements. The pressing device 300 includes a main body portion 310 formed above the supporting portion 200, a pressing driving mechanism 320 for driving the main body portion 310 to move up and down, a mounting hole 311 formed on the main body portion 310 at a position corresponding to the pole mounting groove A2, and a pole pressing portion 330 rotatably disposed in the mounting hole 311, wherein the pole pressing portion 330 has a penetrating space 331 penetrating vertically for the welding head B to penetrate downwards, and on a horizontal projection plane, the pole pressing portion 330 has a shielding portion for shielding the battery cover a. The rotating device 500 is used for driving the pole pressing portion 330 to rotate so as to change the position of the shielding portion, so that the pole pressing portion 330 can horizontally rotate to avoid the shielding overlapping portion in the welding process.
The battery cover plate a may be directly placed on the supporting portion 200, or may be placed on the supporting portion 200 through the feeding pallet 400. The step of placing the battery cover plate body A1 on the supporting portion 200 through the loading support plate 400 means that the battery cover plate body A1 is firstly mounted on the loading support plate 400, then the sealing ring A3, the pole column A4 and the pressing cap A5 are sequentially mounted on the battery cover plate body A1, and finally the loading support plate 400, the battery cover plate a and the pressing cap A5 are mounted on the supporting portion 200 together. The advantage of placing the loading pallet 400 on the supporting part 200 is that the loading pallet 400, the battery cover plate a and the press cap A5 required for the next welding can be prepared in the current welding process of the battery cover plate a, with the advantages of convenient exchange, time saving and efficiency improvement. In the case of directly placing the battery cover plate a on the supporting portion 200, the top surface of the supporting portion 200 is directly designed to be a structure capable of limiting the battery cover plate a, for example, a limiting structure similar to that of the loading pallet 400.
With continued reference to fig. 4, in this embodiment, the battery cover plate a is disposed on the supporting portion 200 through the loading support plate 400, and accordingly, the supporting portion 200 includes a supporting seat 210 and a supporting plate 220 formed on the supporting seat 210, and the supporting plate 220 is detachably connected to the supporting seat 210 so as to replace different supporting plates 220 according to different battery cover plates a. The supporting plate 220 is provided with a plurality of coarse positioning pins 221 and a plurality of fine positioning pins 222, specifically, at least one coarse positioning pin 221 may be disposed at one side edge of the supporting plate 220, and at least one coarse positioning pin 221 may be disposed at the other side edge (e.g., the opposite side edge) of the supporting plate 220, so that the feeding pallet 400 is coarsely limited when the feeding pallet 400 is placed. The fine positioning pins 222 are disposed on the support plate 220 in the region located in the coarse positioning pins 221, and the fine positioning pins 222 are at least two to prevent the horizontal displacement of the loading pallet 400.
The loading pallet 400 is formed with a fool-proof pin 410 and a grip handle 420 for preventing the battery cover plate body A1 from being misplaced. The feeding pallet 400 is provided with a rough positioning hole 430 corresponding to the outer side surface of the rough positioning pin 221, the rough positioning hole 430 penetrates through the feeding pallet 400 along the height direction and the outer side direction of the feeding pallet 400, and the rough positioning hole 430 is arc-shaped on a horizontal projection plane. A fine positioning hole 440 is formed in the feeding pallet 400 at a position corresponding to the fine positioning pin 222, and the fine positioning hole 440 vertically penetrates through the feeding pallet 400. When the loading pallet 400 is placed on the support plate 220, the coarse positioning holes 430 are aligned with the coarse positioning pins 221, and the fine positioning holes 440 are aligned with the fine positioning pins 222, so that the loading pallet 400 is placed on the support plate 220 from top to bottom. The time for mounting the loading pallet 400 on the supporting part 200 can be shortened by adopting the combination of coarse positioning and fine positioning, and the efficiency is improved.
The upper surface on the loading pallet 400 is provided with a limiting groove 450 for accommodating and limiting the battery cover plate A, and the limiting groove 450 can be realized through the following structure: each side portion of the loading pallet 400 is provided with a limit stop 451, the upper surface of the limit stop 451 is higher than the upper surface of the loading pallet 400, each limit stop 451 forms the groove wall of the limit groove 450, and the upper surface of the area of the loading pallet 400 located in each limit stop 451 forms the groove bottom surface. The limiting groove 450 may also be a common groove body structure, for example, a closed frame-shaped groove wall is vertically arranged on each side surface of the feeding tray 400, so that the upper surface of the area of the feeding tray located in the closed frame-shaped groove wall forms the bottom surface of the groove. For example, the feeding pallet is recessed downward to form the limit groove 450. The position department that corresponds to the sealing washer A3 of battery apron A in the spacing groove 450 is formed with perpendicularly and link up the through-hole 460 of material loading layer board 400, have in the through-hole 460 be used for right the sealing washer A3 installs the erection locating column 470 of location, the upper surface of erection locating column 470 is higher than the tank bottom face of material loading spacing groove 450, battery apron A is arranged in when the spacing groove 450 of material loading layer board 400, sealing washer A3 encircles and locates install the locating column 470 periphery. Referring to fig. 8, the sealing ring A3 has an annular inner wall a31, an annular outer wall a32 formed on the outer side of the annular inner wall a31, and an annular connecting portion a33 connected between the annular inner wall a31 and the annular outer wall a32, wherein the lower surface of the annular connecting portion a33, the annular inner wall a31, and the annular outer wall a32 enclose to form an annular groove a34 with a downward notch, and the periphery of the through hole a21 of the pole mounting groove A2 protrudes upwards to form a first convex ring a22 for being matched with the annular groove a34 in a concave-convex manner. When the loading pallet 400 is mounted on the support plate 220 together with the battery cover plate a, the annular inner wall a31 of the seal ring A3 is disposed around the outer periphery of the mounting positioning column 470.
With continued reference to fig. 5 to 7, the through hole 460 is a three-stage stepped hole, and the aperture of the upper hole 461 of the three-stage stepped hole is smaller than that of the middle hole 462, and the aperture of the middle hole 462 is smaller than that of the lower hole 463. The section of the mounting and positioning column 470 is T-shaped, the T-shaped mounting and positioning column 470 has a column 471 movably penetrating into the upper hole 461 of the three-stage step hole, and a column cap 472 formed at the lower end of the column 471 and having a diameter matching with the aperture of the middle hole 462, the height of the column 471 is greater than the height of the upper hole 461 in the three-stage step hole, and the height of the column cap 472 is less than the height of the middle hole 462 of the three-stage step hole. When the upper surface of the cap 472 of the mounting and positioning column 470 abuts against the middle hole 462, the upper end of the column 471 protrudes from the bottom surface of the limiting slot 450. The bottom block 480 is disposed in the lower hole 463 of the three-stage stepped hole, an elastic member 490 is disposed between the bottom block 480 and the cap 472, the elastic member 490 may be a coil spring, and the upper and lower ends of the coil spring may be fixedly connected with the cap 472 and the bottom block 480, or may be independent of the mounting positioning column 470 and the bottom block 480. In order to facilitate positioning of the elastic member 490 and to improve assembly efficiency, the cap 472 has a first mounting groove 491 in which an upper end of the elastic member 490 is seated, and the bottom block 480 has a second mounting groove 481 in which a lower end of the elastic member 490 is seated. During assembly, the mounting positioning posts 470 are first mounted in the upper section holes 461 and the middle section holes 462 from bottom to top, and then the elastic members 490 and the bottom block 480 are sequentially assembled, and the bottom block 480 can be screwed into the lower section holes 463 through bolts. So designed, when the pole pressing portion 330 presses down the pole A4, the pole A4 has a certain elastic avoiding distance (0.15-0.35 mm), when the pole A4 is welded, the installation positioning column 470 slightly moves downwards due to the downward pressure applied to the pole A4, so that the pole A4 and the sealing ring A3 can be better pressed, the pole pressing portion 330 ascends after the welding is completed, and the installation positioning column 470 is reset upwards under the action of the elastic piece 490.
The main body portion 310 is configured to mount the pole pressing portion 330 thereon, and the main body portion 310 is an independent movable block/plate, which is driven by the pressing driving mechanism 320 to move up and down, so that the pole pressing portion 330 is pressed onto the pole A4 when moving downward, and the pole pressing portion 330 returns upward to be suspended above the power battery cover a when moving upward, so that a worker can conveniently take and put the power battery cover a. Two mounting holes 311 are formed on the main body 310 at positions corresponding to the two pole mounting grooves A2, two pole pressing portions 330 are rotatably provided in the two mounting holes 311, and the two pole pressing portions 330 are used for pressing the two poles A4 respectively.
The pole pressing portion 330 includes a rotor rotatably disposed in the mounting hole 311, and a pole pressing head 334 disposed on the rotor at a position corresponding to the pole A4. The rotor is of a flat cylindrical structure with a solid structure. The rotating body may be rotatably connected with the mounting hole 311 by any rotatable structure or manner, for example, a bearing is embedded in the mounting hole 311, the rotating body is rotatably connected with the mounting hole 311 by a bearing, for example, a ring groove is formed in a hole wall of the mounting hole 311, a second convex ring rotationally matched with the ring groove is disposed at a position of the rotating body corresponding to the ring groove, for example, an annular ball groove is formed in a hole wall of the mounting hole 311, and a ball structure is disposed at a position of the rotating body corresponding to the annular ball groove. The through space 331 penetrates through the rotor in a vertical direction, and on a horizontal projection plane, a portion of the rotor located between the pole pressing head 334 and a hole wall of the mounting hole 311 forms the shielding portion, and the shielding portion is driven by the rotating device 500 to rotate to change a position.
With continued reference to fig. 9, the rotating body may also be a rotating ring 332 with a hollow structure, in which a pressing arm 333 is formed on an inner wall of the rotating ring 332 and extends radially inward, and the hollow space in the rotating ring 332 except for the pressing arm 333 forms the through space 331. The rotating ring 332 has a rotating section rotatably provided in the mounting hole 311 and an exposed section 3321 exposed to the mounting hole 311 in a vertical direction. The rotating section comprises a lower rotating section 3322 and an upper rotating section 3323 detachably arranged on the lower rotating section 3322, the lower rotating section 3322 and the exposed section 3321 are integrally formed, and an upper edge 3324 is formed by extending the upper end of the upper rotating section 3323 radially outwards. An annular groove 312 is formed on the upper surface of the main body portion 310 around the periphery of the central hole corresponding to the upper edge 3324, the upper edge 3324 is placed in the annular groove 312, the lower surface of the upper edge 3324 is connected with the bottom of the annular groove 312, and the upper surface of the upper edge 3324 is flush with the upper surface of the main body portion 310. The exposed section 3321 is positioned below the rotating section, rotating teeth 3325 are distributed on the periphery of the exposed section 3321, the rotating teeth 3325 are distributed at the position, close to the lower end, of the periphery of the exposed section 3321, a step surface protruding outwards from the peripheral surface of the exposed section 3321 is formed on the upper end surface of the rotating teeth 3325, a pressure ring 335 is arranged on the exposed section 3321 in a part located above the rotating teeth 3325 in a surrounding manner, the upper surface of the pressure ring 335 is connected with (contacted with) the lower surface of the main body part 310, and the lower surface of the pressure ring 335 is connected with (contacted with) the step surface, so that the lower surface of the pressure ring 335 can be polished for reducing friction coefficient. Further, the pressing arm 333 extends radially inward from the inner wall of the lower rotating section 3322, so as to reduce the hollow space of the rotating ring 332 as much as possible while ensuring the connection firmness between the pressing arm 333 and the rotating ring 332, the pressing arm 333 has a fan-shaped structure, and two sides of the pressing arm 333 are concave arc surfaces. On the horizontal projection plane, the pressing arm 333 partially shields the battery cover plate a along the radial direction, the pressing arm 333 is the shielding portion, and the pressing arm 333 rotates under the driving of the rotating device 500 to change the position of the pressing arm 333, so as to ensure that the welding head B completes welding at one time, and form a welding seam with closed ends. The pole pressing head 334 is formed at a position of the inner end of the pressing arm 333 corresponding to the pole A4 (a lower surface of the inner end of the pressing arm 333) and is rotatably connected with the pressing arm 333, so that when the rotating ring 332 drives the pressing arm 333 to rotate to yield, the pole pressing head 334 does not rotate, the position of the pole A4 is prevented from being disturbed due to the rotation of the pressing cap A5, the problem of oblique pressing is further avoided, and the welding precision of the pole A4 is improved.
With continued reference to fig. 10, the rotating device 500 includes an engaging portion engaged with the rotating tooth 3325 and a driving mechanism for driving the engaging portion to rotate the rotating ring 332 engaged with the engaging portion. The engagement portion is a rack 510, the rack 510 is slidably disposed on the lower surface of the main body 310 through a sliding block 520 and is engaged with the rotating teeth 3325, the driving mechanism is a reciprocating driving mechanism 530 for driving the rack 510 to reciprocate so as to rotate the rotating ring 332, the reciprocating driving mechanism 530 is disposed on the main body 310 through a mounting frame, and a driving shaft thereof is connected with the rack 510. The reciprocating drive mechanism 530 may be a linear motion push rod motor, cylinder, hydraulic cylinder, or the like. In some embodiments, the engaging portion may also be a gear engaged with the rotating tooth 3325, and the driving mechanism is a rotary driving mechanism coaxially connected with the gear to drive the gear to rotate, such as a rotary cylinder, a rotary motor, etc.
With continued reference to fig. 6, in the present embodiment, the main body 310 employs two pressing driving mechanisms 320 to move the main body 310 up and down to press the pole A4 and reset. The two pressing driving mechanisms 320 are respectively disposed at two sides of the supporting portion 200 and connected to two ends of the main body portion 310. Specifically, the two pressing driving mechanisms 320 are disposed below the main body 310, and the two pressing driving mechanisms 320 each include a pressing mechanism 321 and a guiding mechanism 322. The guide mechanism 322 is installed between the pressing mechanism 321 and the main body 310 via a frame 323. The guide mechanism 322 comprises a guide holder 3221 disposed on the frame 323, and a guide block 3222 movably disposed in the guide holder 3221 along a vertical direction and connected to the main body 310, the upper end of the guide block 3222 is connected to the main body 310, the guide block 3222 has a T-shaped groove penetrating through the guide block 3222 downwards, a T-shaped rod 3223 is disposed in the T-shaped groove, and the lower end of the T-shaped rod 3223 extends out of the guide holder 3221 downwards. The pressing mechanism 321 is disposed under the frame 323 and directly under the guide mechanism 322, and an output shaft of the pressing mechanism 321 is connected to the lower end of the T-bar 3223, so that the main body 310 moves in a vertical direction, and the pole pressing portion 330 disposed on the main body 310 presses the pole A4. The pressing mechanism 321 may be an air cylinder, a hydraulic cylinder, a push rod motor, or the like.
The working principle of the battery cover plate pole post welding tool is as follows: firstly, sequentially placing the battery cover plate body A1 in a limit groove 450 of the loading supporting plate 400, mounting a sealing ring A3 at a position of a through hole 460 of the pole mounting groove A2, mounting a pole A4 in the pole mounting groove A2, and covering a pressing cap A5 on the pole A4; secondly, the pressing driving mechanism 320 moves the main body 310 upwards to open the space between the main body 310 and the supporting portion 200, and the pole pressing head 334 is suspended above the supporting plate 220 to facilitate the loading pallet 400 to be put in or taken out; again, the loading pallet 400 is put into and positioned on the support plate 220; again, the pressing driving mechanism 320 moves the main body 310 downward to make the main body 310 drive the pole pressing head 334 to press against the pressing cap A5; when the welding head B welds the edge of the pole A4 with the pole mounting groove A2, the rotating device 500 rotates the rotating ring 332 to drive the pressing arm 333 to rotate for yielding (rotate along the annular welding track to avoid the welding head B), thereby completing a circle of welding seams connected end to end; finally, after the welding of the current battery cover plate a is completed, the main body 310 is moved upwards to be opened by the pressing driving mechanism 320, and the loading support plate 400 is taken out for welding the post of the next battery cover plate.
The battery cover plate pole welding tool breaks through the design barrier of the traditional battery cover plate A welding tool, removes the structural cooperation of a traditional rotating pressing mechanism, '匚' connecting frame and a pole pressing head, adopts a main body part with the function similar to an upper template, performs opening and closing cooperation with a supporting part by up-and-down movement of the main body part, facilitates taking and placing of a feeding supporting plate when opening, and realizes cooperation of pressing force and supporting force with the supporting part when closing so as to press the pole A4, so that the weight is stable, the problem of oblique pressing of the pole A4 is avoided, and the product yield is increased. Through corresponding position trompil and inlay and establish the rotor in main part, make compressing tightly arm, utmost point post pressure head and rotor integrated into one piece, main part continuously output steady pressure holding force makes utmost point post pressure head keep steady pressure holding state, and rethread designs the rotary device in main part and makes the rotor rotate, and rotary device does not produce with compressing tightly device and correlates, reduces the disturbance, increases rotation stability. In conclusion, the battery cover plate pole post welding tool provided by the invention effectively solves the inclined pressure problem, has a simple structure and ingenious thought, and can save more manufacturing cost.
The foregoing examples only represent preferred embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (7)
1. Welding fixture for battery cover plate pole, which is characterized by comprising:
a support part for supporting the battery cover plate;
The pressing device is matched with the supporting part to press the pole, the pressing device comprises a movable plate or a block-shaped main body part formed above the supporting part, a pressing driving mechanism used for driving the main body part to move up and down, a mounting hole formed on the main body part and corresponding to the pole mounting groove, and a pole pressing part rotatably arranged in the mounting hole, the pole pressing part is provided with a penetrating space which is vertically penetrated for a welding head to penetrate downwards, and on a horizontal projection surface, the pole pressing part is provided with a shielding part for shielding the battery cover plate;
the rotating device is used for driving the pole pressing part to rotate so as to change the position of the shielding part;
The pole pressing part comprises a rotating body and a pole pressing head, the rotating body is rotatably arranged in the mounting hole, the pole pressing head is arranged on the rotating body and corresponds to the pole position, the penetrating space penetrates through the rotating body in the vertical direction, on a horizontal projection plane, a shielding part is formed on the rotating body at a part between the pole pressing head and the hole wall of the mounting hole, and the rotating device is used for driving the rotating body to rotate so as to change the position of the shielding part; the rotating body is a rotating ring which is rotatably arranged in the mounting hole, a pressing arm is formed on the inner wall of the rotating ring in a radial inward extending mode, an inner empty space except the pressing arm in the rotating ring forms the passing space, a pole pressing head is formed at the position, corresponding to the pole, of the inner end of the pressing arm, on a horizontal projection surface, the pressing arm shields the battery cover plate in a radial direction partially, and the rotating device is used for driving the rotating ring to rotate so as to change the position of the pressing arm; the rotary ring is provided with a rotary section which is rotatably arranged in the mounting hole and an exposed section which is exposed out of the mounting hole along the vertical direction, and rotary teeth are distributed on the periphery of the exposed section; the rotating device comprises an engagement part engaged with the rotating teeth and a driving mechanism for driving the engagement part to act so as to rotate a rotating ring engaged with the engagement part; the outer section is located under the rotating section, the rotating teeth are distributed at the position, close to the lower end, of the outer periphery of the outer section, the upper end face of the rotating teeth forms a step face protruding outwards of the outer peripheral face of the outer section, a pressure ring is arranged on the outer section, located above the rotating teeth, of the outer section in a surrounding mode, the upper surface of the pressure ring is connected with the lower surface of the main body portion, and the lower surface of the pressure ring is connected with the step face.
2. The battery cover plate pole welding fixture of claim 1, wherein: the meshing part is a rack, and the driving mechanism is a reciprocating driving mechanism for driving the rack to reciprocate so as to enable the rotating ring to rotate.
3. The battery cover plate pole welding fixture of claim 1, wherein: the rotating section comprises a lower rotating section and an upper rotating section which is detachably arranged on the lower rotating section, and the upper end of the upper rotating section extends outwards in the radial direction to form an upper edge; the upper surface of the main body part is provided with an annular groove around the periphery of the mounting hole, the upper edge is arranged in the annular groove, and the lower surface of the upper edge is connected with the bottom of the annular groove.
4. The battery cover plate pole welding fixture of claim 1, wherein: the compression driving mechanism comprises a guide mechanism and a compression mechanism, wherein the guide mechanism comprises a guide seat arranged between the compression mechanism and the main body part and a guide block movably penetrating through the guide seat in the vertical direction and connected with the main body part, and an output shaft of the compression mechanism is connected with the guide block so that the main body part moves in the vertical direction, so that a pole compression part arranged on the main body part compresses the pole.
5. The battery cover plate pole welding fixture of claim 4, wherein: the compressing mechanism and the guiding mechanism are both arranged below the main body part, the upper end of the guiding block is connected with the main body part, the guiding block is provided with a T-shaped groove which downwards penetrates through the guiding block, a T-shaped rod is arranged in the T-shaped groove, and the lower end of the T-shaped rod downwards extends and is connected with an output shaft of the compressing mechanism.
6. The battery cover plate post welding fixture of any one of claims 1 to 5, wherein: still include the material loading layer board, the upper surface on the material loading layer board has the spacing groove that is used for holding battery apron and carries out spacingly to it, the spacing inslot corresponds the position department of battery apron's sealing washer is formed with perpendicularly and link up the through-hole of material loading layer board, have in the through-hole be used for right the sealing washer is installed the installation reference column of location, the upper surface of installation reference column is higher than the tank bottom face of spacing groove, battery apron is arranged in during the spacing groove of material loading layer board, the sealing washer is located install the reference column periphery.
7. The battery cover plate pole welding fixture of claim 6, wherein: the through hole is a three-stage step hole, the aperture of the upper section hole of the three-stage step hole is smaller than the aperture of the middle section hole, and the aperture of the middle section hole is smaller than the aperture of the lower section hole; the section of the installation positioning column is T-shaped, the installation positioning column is provided with a column body movably penetrating through the upper section hole of the three-stage step hole and a column cap which is formed at the lower end of the column body and has a diameter matched with the aperture of the middle section hole, the height of the column body is greater than that of the upper section hole in the three-stage step hole, and the height of the column cap is smaller than that of the middle section hole of the three-stage step hole; a bottom block is arranged in a lower section hole in the three-stage step hole, and an elastic piece is arranged between the bottom block and the column cap.
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| CN202210586288.XA CN114799699B (en) | 2022-05-26 | 2022-05-26 | Battery cover plate pole welding tool |
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| CN202210586288.XA CN114799699B (en) | 2022-05-26 | 2022-05-26 | Battery cover plate pole welding tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115229364A (en) * | 2022-08-05 | 2022-10-25 | 宁德长盈新能源技术有限公司 | Battery top cap utmost point post welding frock |
| CN115415718A (en) * | 2022-08-15 | 2022-12-02 | 苏州明益信智能设备有限公司 | Pole welding, positioning and compressing device and method for power battery cover plate |
| CN116900520B (en) * | 2023-08-02 | 2024-02-20 | 深圳市大德激光技术有限公司 | Rotary press welder for pole of power battery |
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