CN217859695U - Welding jig for pole component of battery top cover - Google Patents

Abstract

The utility model discloses a battery top cap utmost point post subassembly welding jig, the on-line screen storage device comprises a base, closing device and rotary device, the base has the supporting part that is used for supporting the battery top cap, closing device is used for compressing tightly the battery top cap with the supporting part cooperation, closing device is including pressing the seat, locate on pressing the seat and lie in the supporting part top utmost point post pressure head and lie in one side of supporting part and be used for the drive to press the actuating mechanism that compresses tightly that the seat goes up and down, observe in the vertical direction, press the seat part to cover utmost point post subassembly, rotary device is used for the drive to compress tightly actuating mechanism and makes arc motion around rotary device's output shaft, press the position that the seat covered utmost point post subassembly with the transform. Since the technical scheme is used, use a battery top cap utmost point post subassembly welding jig clamping welding utmost point post subassembly when, conveniently form the closed weld line of head and the tail around utmost point post subassembly.

Description

Welding jig for pole component of battery top cover

Technical Field

The utility model relates to a frock clamp technical field, in particular to battery top cap utmost point post subassembly welding jig.

Background

As shown in fig. 1, a power battery top cover 1 includes a cover plate 11, two pole mounting grooves 12 formed on the cover plate 11, two through holes 13 respectively penetrating through the bottom wall of the pole mounting groove 12, two sealing rings 14 respectively surrounding the edges of the corresponding through holes 13 in the pole mounting groove 12, and two pole assemblies 15 respectively disposed in the pole mounting grooves 12. The pole assembly 15 comprises a pole pressing ring 151 matched with the pole mounting groove 12 and a pole 152 arranged in the pole pressing ring 151; the pole pressing ring 151 comprises a ring body, a first circular ring 1512 and a second circular ring 1513, wherein the first circular ring 1512 extends inwards from the periphery of the upper end of the ring body, and the second circular ring 1513 extends outwards from the periphery of the lower end of the ring body; the post 152 includes a cylindrical body 1521 penetrating through the first ring 1512 and a third ring 1522 extending outward from a lower end of the cylindrical body 1521, an upper end of the cylindrical body 1521 passes through an inner hole of the first ring 1512 and protrudes out of an upper surface of the post pressing ring 151, and a positioning groove 1523 is formed in a position of the lower end of the post 152 corresponding to the middle of the through hole 13 in an upward recessed manner (see fig. 2). When making this battery top cap 1, use utmost point post subassembly 15 welding tool to compress tightly utmost point post subassembly 15 on apron 11, make the lower extreme of utmost point post clamping ring 151 support and hold the correspondence the diapire of utmost point post mounting groove 12, and make utmost point post 152 compresses tightly downwards the correspondence sealing washer 14, then use laser welder will the edge of second ring 1513 with the edge of utmost point post mounting groove 12 carries out welded fastening, also will the edge of utmost point post clamping ring 151 with the edge of utmost point post mounting groove 12 carries out welded fastening, needs to guarantee the utmost point post subassembly 15 that the welding was accomplished utmost point post 152 is located the middle part of utmost point post clamping ring 151. After the welding is accomplished, make utmost point post subassembly 15 welding jig remove the extrusion to utmost point post 152 and utmost point post clamping ring 151, utmost point post clamping ring 151 has welded on apron 11, unable rebound, under the elastic action of sealing washer 14, sealing washer 14 can upwards promote utmost point post 152, makes utmost point post 152 rebound, until third ring 1522 upwards supports and holds first ring 1512, then will accomplish the battery top cap 1 of 15 welded of utmost point post subassembly and put into injection mold, and injection mold extrudees utmost point post 152 perpendicularly, makes third ring 1522 on the utmost point post 152 break away from first ring 1512 and compress sealing washer 14, there is the clearance and does not have the contact point between utmost point post 152 and the utmost point post clamping ring 151 this moment, then can mould plastics between utmost point post 152 and utmost point post 151 to the plastics are filled in the clearance between utmost point post clamping ring 152 and clamping ring utmost point post 151, prevent to electrically conduct between utmost point post 152 and clamping ring 151, accomplished after the completion is moulded plastics promptly the processing of battery top cap 1.

When using current battery top cap utmost point post subassembly welding jig to compress tightly utmost point post subassembly on the apron, there are following shortcoming:

1. current utmost point post subassembly welding tool can lead to the fact partially at the edge of utmost point post subassembly to shelter from, and is inconvenient to form the closed welding line of head and the tail around utmost point post subassembly.

2. Utmost point post takes place radial movement easily in utmost point post clamping ring, leads to the global periphery and the contact of utmost point post clamping ring of third ring of cylindricality main part, after the rubber coating of moulding plastics, still can electrically conduct between utmost point post and the apron, the wastrel appears easily.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the technical problem that this application will be solved provides a battery top cap utmost point post subassembly welding jig who conveniently forms the closed welding line of end to end around utmost point post subassembly.

For solving above-mentioned technical problem, the application provides a battery top cap utmost point post subassembly welding jig, including base, closing device and rotary device, the base has one and is used for supporting the supporting part of battery top cap, closing device be used for with the supporting part cooperation compresses tightly the battery top cap corresponding to utmost point post subassembly's position, closing device is including pressing the seat, locating press on the seat and be located the utmost point post pressure head of supporting part top and being located one side of supporting part is used for the drive press the actuating mechanism that compresses tightly that the seat goes up and down, observe at the vertical direction, press the seat along radial part to cover utmost point post subassembly, rotary device is used for the drive it winds to compress tightly actuating mechanism rotary device's output shaft makes arc motion, with the transform press the seat to cover utmost point post subassembly's position.

Furthermore, the compressing device also comprises a connecting frame arranged on an output shaft of the rotating device and a guide rod arranged on the connecting frame, and the compressing driving mechanism is arranged on the connecting frame; the pressing seat comprises a pressing seat body arranged on an output shaft of the pressing driving mechanism and a guide hole arranged on the pressing seat body and corresponding to the position of the guide rod, the guide hole vertically penetrates through the upper surface and the lower surface of the pressing seat body, the guide rod is in sliding fit with the guide hole, and the pole pressing head is arranged at one end of the pressing seat body.

Furthermore, the pressing seat body is provided with a mounting hole vertically penetrating through the upper surface and the lower surface of the pressing seat body, the pressing seat further comprises a guide sleeve arranged in the mounting hole and matched with the mounting hole, and an inner hole of the guide sleeve is the guide hole.

Furthermore, the link is including locating the diaphragm of rotary device output shaft and locating the vertical plate of supporting part one side, the vertical plate is located the diaphragm keep away from the one end of rotary device, compress tightly actuating mechanism locates on the vertical plate, the guide arm is located the upper end of vertical plate.

Further, the base further comprises a bottom plate located below the supporting portion and a vertical plate used for connecting the supporting portion and the bottom plate, and the rotating device and the horizontal plate are located between the supporting portion and the bottom plate.

Furthermore, compress tightly actuating mechanism and locate the vertical plate is kept away from closing device's a side, press on the seat body with the terminal surface of the other end that the one end at utmost point post pressure head place is relative is sunken inwards to be formed with the mounting groove, compress tightly actuating mechanism's output shaft on be formed with the installation piece of mounting groove looks adaptation, the installation piece detachable set up in the mounting groove.

Furthermore, the supporting part comprises a supporting plate, the supporting plate comprises a supporting plate body, a battery top cover accommodating groove which is formed on the upper side surface of the supporting plate body and is matched with the battery top cover, a pole positioning mechanism mounting hole which is arranged on the supporting plate body and corresponds to the position of the pole assembly, and a pole positioning mechanism which is arranged in the pole positioning mechanism mounting hole, the pole positioning mechanism mounting hole comprises a groove which is formed by upwards sinking from the lower surface of the supporting plate body, and a step hole which is formed on the upper side wall of the groove and corresponds to the position of the pole assembly, the lower end of a large hole section of the step hole penetrates through the groove, and the upper end of a small hole section penetrates through the battery top cover accommodating groove; utmost point post positioning mechanism including locate in the recess and with the shutoff piece of recess looks adaptation, sliding fit in slip post in the macropore section, locate slip post upper end just is located reference column in the micropore section and locating the shutoff piece with elastic component between the slip post, the upper end protrusion in the diapire of battery top cap holding tank and with the positioning groove looks adaptation of utmost point post, the lower extreme of elastic component supports holds the shutoff piece, the upper end supports holds the slip post, so that the side of going up of slip post support hold in on the step of step hole.

Further, the supporting part also comprises a top plate for supporting the supporting plate body, and at least two alignment pins are formed on the top plate; and when each alignment groove is assembled on the corresponding alignment pin, the positioning column is positioned right below the pole pressing head.

Further, utmost point post pressure head is including being located the cap and being used for connecting of pressing directly over the reference column press the cap with the connecting portion of pressing the seat, press the lower extreme of cap upwards sunken be formed with the indent of utmost point post upper end looks adaptation, work as press the cap will utmost point post clamping ring of utmost point post subassembly press hold in when on the diapire of the utmost point post mounting groove of battery top cap, utmost point post compresses downwards the sealing washer of battery top cap.

Furthermore, the connecting part comprises a ball bearing arranged on the pressing seat, a plane bearing arranged on the lower surface of the pressing seat and a vertical shaft fixed in a bearing hole of the ball bearing, the vertical shaft and an output shaft of the rotating device are coaxially arranged, the lower end of the vertical shaft downwards penetrates through the bearing hole of the plane bearing and then is fixed on the pressing cap, and the pressing cap is arranged on the lower surface of the plane bearing.

Since the technical scheme is used, the beneficial effects of the utility model are that:

a battery top cap utmost point post welds tool, the supporting part is used for supporting the battery top cap, and is concrete, the apron supports on the supporting part, the sealing washer is located utmost point post mounting groove, the lower extreme of utmost point post supports and holds on the sealing washer, utmost point post clamping ring cover is on utmost point post. The pressing seat is driven to move downwards through the pressing driving mechanism, so that the pole pressing head is driven to move downwards, the pole pressing head is matched with the supporting part to be pressed on the position of the battery top cover corresponding to the pole assembly, namely, the pole pressing ring is pressed on the bottom wall of the pole mounting groove, and the pole is pressed on the sealing ring and compressed. In the process of welding the edge of the pole assembly, the compression driving mechanism is driven by the rotating device to do arc motion around the output shaft of the rotating device so as to change the position of the pressing seat covering the pole assembly. The pressure seat is also made to rotate to avoid the part of the pressure seat, which is shielded by the edge of the pressure ring of the front pole, before rotating, so that a welding line with a closed head and tail is conveniently formed around the pole assembly when the pole is welded. The pressing driving mechanism only needs to drive the pressing seat and the pole pressing head to descend so as to press the pole assembly on the cover plate, the pressing driving mechanism only needs to drive the pressing seat and the pole pressing head to ascend so as to enable the pole pressing head to be separated from the pole assembly, and the load born by the pressing driving mechanism is small.

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 application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the structure of a battery top cover;

FIG. 2 is a schematic structural view of the pole of FIG. 1;

fig. 3 is a schematic structural view of a welding jig for a battery top cap pole assembly of the present invention;

fig. 4 is a schematic structural view of a base in the welding jig for the post assembly of the battery top cap of the present invention;

fig. 5 is a schematic structural view of a support plate in the welding jig for the post assembly of the battery top cap of the present invention;

FIG. 6 isbase:Sub>A sectional view A-A of FIG. 5;

fig. 7 is a schematic structural view of the base of the welding jig for the post assembly of the battery top cap without the supporting plate;

fig. 8 is a schematic view of a combined structure of a first pressing device and a first rotating device in the welding jig for a battery top cap pole assembly of the present invention;

fig. 9 is a schematic structural view of a first pole pressing head in the welding jig for the pole assembly of the battery top cap of the present invention;

fig. 10 is a schematic view of a combined structure of a second pressing device and a second rotating device in the welding jig for a battery top cap pole assembly of the present invention;

fig. 11 is the utility model relates to a structural schematic diagram of second utmost point post pressure head among battery top cap utmost point post subassembly welding jig.

The reference numbers in the figures mean:

a battery top cover-1; a cover plate-11; a pole mounting groove-12; a through-hole-13; a seal ring-14; a pole component-15; a pole clamping ring-151; a pole-152; barrel-1511; a first ring-1512; second ring-1513; a cylindrical body-1521; a third ring-1522; a positioning groove-1523; a base-2; a first hold-down device-3; a second hold-down device-4; a first rotating means-5; a second rotating means-6; a support portion-21; a bottom plate-22; a vertical plate-23; a support plate-211; a top plate-212; a support plate body-2111; battery top cover receiving slots-2112; pole positioning mechanism mounting hole-2113; a pole positioning mechanism-2114; alignment slot-2115; alignment pin-2121; notch-21131; step hole-21132; blocking block-21141; sliding post-21142; post-21143; an elastic member-21144; a first press seat-31; a first pole head-32; a first pressing drive mechanism-33; a first connecting frame-34; a first guide bar-35; a first mounting block-331; a first pressure seat body-311; a first mounting hole-312; a first guide sleeve-313; a first mounting slot-314; a first gland-321; a first connection-322; a first compressed groove-3211; a first ball bearing-3221; a first planar bearing-3222; a first vertical shaft-3223; a first transverse plate-341; a first longitudinal plate-342; a second pressure seat-41; a second pole clamp head-42; a second pressing drive mechanism-43; a second connecting frame-44; a second guide rod-45; a second mounting block-431; a second pressure base body-411; a second mounting hole-412; a second guide sleeve-413; a second mounting groove-414; a second press cap-421; a second connection portion-422; a second indent-4211; a second ball bearing-4221; a second planar bearing-4222; second vertical shaft-4223; a second transverse plate-441; a second longitudinal plate-442.

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 described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

It will be understood that when an element is referred to as being "secured 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.

As shown in fig. 3, an embodiment of the welding jig for a battery top cover pole assembly of the present invention includes a base 2, a first compressing device 3, a second compressing device 4, a first rotating device 5, and a second rotating device 6, where the base 2 has a supporting portion 21, the supporting portion 21 is used to support the battery top cover 1, the first compressing device 3 and the second compressing device 4 are respectively used to cooperate with the supporting portion 21 to compress the positions of the battery top cover 1 corresponding to two pole assemblies 15, that is, the first compressing device 3 is used to compress a pole assembly 15 in a pole mounting groove 12, specifically, the first compressing device 3 compresses a pole 152 on a corresponding sealing ring 14 and compresses the sealing ring 14, and at the same time, compresses a pole 151 annularly disposed around the pole 152 in the corresponding pole mounting groove 12; the second pressing device 4 is used for pressing another pole post assembly 15 into another pole post mounting groove 12, specifically, the first pressing device 3 presses another pole post 152 onto the corresponding sealing ring 14 and compresses the sealing ring 14, and meanwhile, the pole post pressing ring 151 annularly arranged around the pole post 152 is pressed into the corresponding pole post mounting groove 12. After the first compressing device 3 and the second compressing device 4 compress the two pole post assemblies 15 in the two pole post mounting grooves 12 respectively, the edge of the pole post press ring 151 can be welded. It is understood that in some embodiments, there may be one pressing device, in the case of only one pressing device, the pressing device presses a pole assembly 15 into a pole mounting groove 12 for welding, and after the welding is completed, the pressing device releases the welded pole assembly 15. Then, the battery top cover 1 is rotated to exchange the other pole post assembly 15 and the other pole post mounting groove 12 on the battery top cover 1 to the position of the pressing device, and the pressing device presses the other pole post assembly 15 for welding, so that it is obvious that the welding efficiency is higher under the condition that two pressing devices (namely, the first pressing device 3 and the second pressing device 4) are provided.

As shown in fig. 4, the base 2 includes the supporting portion 21, a bottom plate 22 located below the supporting portion 21, and a vertical plate 23 for connecting the supporting portion 21 and the bottom plate 22, and the first rotating device 5 and the second rotating device 6 are both disposed on the bottom plate 22 and both located between the supporting portion 21 and the bottom plate 22.

The supporting portion 21 includes a supporting plate 211 and a top plate 212 for supporting the supporting plate 211, the top plate 212 is disposed at the upper end of the vertical plate 23, and the first rotating device 5 and the second rotating device 6 are both located between the top plate 212 and the bottom plate 22, it is understood that the top plate 212 is not an essential component of the present invention, for example, in some embodiments, the supporting plate 211 can be directly supported at the upper end of the vertical plate 23, and in other embodiments, the supporting plate 211 can also be directly fixed on the vertical plate 23.

As shown in fig. 5 and 6, the supporting plate 211 includes a supporting plate main body 2111, a battery top cover accommodating groove 2112 formed on the upper side surface of the supporting plate main body 2111 and adapted to the battery top cover 1, two pole positioning mechanism mounting holes 2113 disposed on the supporting plate main body 2111 and corresponding to the positions of the two pole assemblies 15, two pole positioning mechanisms 2114 disposed in the two pole positioning mechanism mounting holes 2113, and two alignment grooves 2115 formed on the supporting plate main body 2111, wherein the two pole positioning mechanisms 2114 are respectively used for positioning the poles 152 of the two pole assemblies 15. The edge of the supporting plate body 2111 is fixedly provided with a plurality of limiting blocks protruding from the upper side surface of the supporting plate body 2111, the side surface of each limiting block near the middle of the supporting plate body 2111 encloses an area matched with the battery top cover 1, and the area is the battery top cover accommodating groove 2112, it can be understood that the battery top cover accommodating groove 2112 is not limited to the above-described structure, for example, in some embodiments, a groove recessed toward the bottom surface of the supporting plate body 2111 may be directly machined on the top surface of the supporting plate body 2111, and the groove is used as the battery top cover accommodating groove 2112. In addition, when the pressing means is only one, only one post positioning mechanism mounting hole 2113 and one post positioning mechanism 2114 may be provided on the support plate body 2111.

As shown in fig. 7, alignment pins 2121 matched with the alignment slots 2115 are formed on the top plate 212 at positions corresponding to the two alignment slots 2115, and the positioning of the support plate 211 on the top plate 212 is achieved through the matching of the alignment pins 2121 and the alignment slots 2115. It is to be understood that the number of the alignment pins 2121 and the alignment slots 2115 is not limited to two, and the number of the alignment pins 2121 and the alignment slots 2115 may also be multiple, so long as the alignment slots 2115 corresponding to the alignment pins 2121 are formed in the supporting plate 211.

As shown in fig. 6, the post positioning mechanism mounting holes 2113 include a groove 21131 and a stepped hole 21132, the groove 21131 is formed by being recessed upward from the lower surface of the support plate body 2111, the stepped hole 21132 is formed at a position on the upper side wall of the groove 21131 corresponding to the post 152, the stepped holes 21132 of the two post positioning mechanism mounting holes 2113 respectively correspond to the two posts 152, the lower end of the large hole segment of the stepped hole 21132 penetrates through the groove 21131, and the upper end of the small hole segment penetrates through the battery top cover receiving groove 2112; the post positioning mechanisms 2114 include a blocking block 21141, a sliding post 21142, a positioning post 21143 and an elastic member 21144, the blocking block 21141 is disposed in the groove 21131, the blocking block 21141 is adapted to the groove 21131, the sliding post 21142 is slidably fitted in the large hole section, the positioning post 21143 is disposed at the upper end of the sliding post 21142, the positioning post 21143 is located in the small hole section, the elastic member 21144 is disposed between the blocking block 21141 and the sliding post 21142, the elastic member 21144 may be a coil spring or a soft elastic rubber section, the upper end of the positioning post 21143 protrudes out of the bottom wall of the battery top cover accommodating groove 2112 and is adapted to the positioning groove 1523 of the posts 152, the upper ends of the positioning posts 21143 of the two post positioning mechanisms 2114 are respectively adapted to the positioning grooves 1523 of the two posts 152, and the lower end of the elastic member 21144 abuts against the blocking block 21141 and the upper end of the sliding post 21142, so that the upper side surface of the sliding post 21142 abuts against the step 21132 of the step hole. The process of placing the battery top cover 1 on the support plate 211 is: put into apron 11 in utmost point post mounting groove 12, two sealing washer 14 is arranged in two respectively 13 edges of through-hole, two utmost point post 152 is arranged in two respectively on the sealing washer 14 and two locating slot 1523 equipment on the utmost point post 152 is joined in marriage respectively in the reference column 21143 upper end of two utmost point post positioning mechanism 2114, two utmost point post clamping ring 151 overlaps respectively two on the utmost point post 152 and two first ring 1512 of utmost point post clamping ring 151 supports respectively on the third ring 1522 of the utmost point post 152 that corresponds, place battery top cap 1 in back on the backup pad 211, will the backup pad 211 supports on the roof 212, at this moment, two counterpoint grooves 2115 all assemble on the counterpoint round pin 2121 that corresponds, one utmost point post positioning mechanism 2114 reference column 21143 is located first closing device 3 is used for compressing tightly one under the position of utmost point post subassembly 15, another utmost point post positioning mechanism 21143 is located second closing device 4 is used for tightly compressing tightly another utmost point post subassembly 15 is under the position, can very conveniently make two last positive post positioning device of backup pad 211 be used for pressing tightly the top cap subassembly 15 respectively under the position of battery top cap subassembly 15. After the supporting plate 211 is supported on the top plate 212, the first pressing device 3 and the second pressing device 4 respectively press the two pole assemblies 15, the poles 152 compress the corresponding sealing rings 14 and press down the corresponding positioning columns 21143 and sliding columns 21142, the elastic members 21144 are also compressed, and the two pole pressing rings 151 are respectively pressed on the corresponding bottom walls of the pole mounting grooves 12. Battery top cover holding groove 2112 can fix a position battery top cover 1, utmost point post mounting groove 12 can be right utmost point post clamping ring 151 is fixed a position, reference column 21143 can be right utmost point post 152 is fixed a position, compresses tightly the correspondence at first closing device 3 and second closing device 4 utmost point post 152 and utmost point post clamping ring 151 in-process and in follow-up welding process, utmost point post 152 with correspond utmost point post clamping ring 151's relative position can remain unchanged throughout, utmost point post 152 can remain corresponding throughout utmost point post clamping ring 151's middle part can prevent utmost point post 152 take place to remove and with utmost point post clamping ring 151 contacts can reduce the wastrel.

As shown in fig. 8, the first pressing device 3 includes a first pressing base 31, a first pole pressing head 32, a first pressing driving mechanism 33, a first connecting frame 34 and a first guide rod 35, the first pole pressing head 32 is a pressing portion of the first pressing device 3 for pressing the first pole assembly 15, the first pole pressing head 32 is disposed on the first pressing base 31, the first pole pressing head 32 is located above the supporting portion 21, specifically, the first pole pressing head 32 is located right above a positioning post 21143, the first pressing driving mechanism 33 may be an air cylinder, a hydraulic cylinder or a push rod motor, the first pressing driving mechanism 33 is located at one side of the supporting portion 21, an output shaft of the first pressing driving mechanism 33 is provided with a first mounting block 331, an output shaft of the first pressing driving mechanism 33 is connected to the first pressing base 31 through the first mounting block 331, so that the first pressing driving mechanism 33 can drive the first pressing base 31 to move up and down, in other embodiments, the first pressing driving mechanism 33 can also be directly connected to the first pressing base 31, and in this way, and the first pressing base 31 can also be moved up and down. Viewed in the vertical direction, the first pressing base 31 partially covers a pole assembly 15 along the radial direction, the first connecting frame 34 is disposed on the output shaft of the first rotating device 5, the first guide rod 35 is disposed on the first connecting frame 34, and the first pressing driving mechanism 33 is disposed on the first connecting frame 34, so as to achieve the connection between the first pressing driving mechanism 33 and the first rotating device 5. When the first pressing seat 31 is driven to descend by the first pressing driving mechanism 33, the first pole pressing head 32 descends along with the first pressing seat 31 to press the pole assembly 15 on the corresponding pole mounting groove 12. When the first pressing seat 31 is driven by the first pressing driving mechanism 33 to ascend, the first pole pressing head 32 ascends along with the first pressing seat 31, so that the first pole pressing head 32 is separated from the pole assembly 15 upwards.

The first pressing base 31 includes a first pressing base body 311, a first mounting hole 312, a first guide sleeve 313 and a first mounting groove 314, the first pressing base body 311 is disposed on an output shaft of the first pressing driving mechanism 33, a first mounting block 331 is formed on the output shaft of the first pressing driving mechanism 33, the output shaft of the first pressing driving mechanism 33 is connected to the first pressing base body 311 through the first mounting block 331, the first mounting hole 312 is disposed on the first pressing base body 311 at a position corresponding to the first guide rod 35, the first mounting hole 312 vertically penetrates through the upper and lower surfaces of the first pressing base body 311, the first guide sleeve 313 is disposed in the first mounting hole 312 and adapted to the first mounting hole 312, an inner hole of the first guide sleeve 313 is a first guide hole for guiding by being matched with the first guide rod 35, the first guide hole vertically penetrates through the upper and lower surfaces of the first pressing base body 311, the first guide rod 35 is slidably matched with the first guide hole, and the first pressing base body 32 is disposed in the first guide hole. In the process that the first pressing base 31 is driven to lift by the first pressing driving mechanism 33, the first guide rod 35 is matched with the first guide hole to guide the first pressing base body 311, so that the lifting process of the first pressing base body 311 is more stable. It should be understood that, in some embodiments, the first guide sleeve 313 may not be provided, and a first guide hole may be directly formed on the first pressure base body 311, and the first guide hole penetrates through upper and lower side surfaces of the first pressure base body 311, so that the first guide hole may also cooperate with the first guide rod 35 to guide the first pressure base body 311.

The first mounting groove 314 is formed by inward depression of the end surface of the other end of the first pressing seat body 311, which is opposite to the end where the first pole pressing head 32 is located, the first mounting block 331 is matched with the first mounting groove 314, and the first mounting block 331 is detachably disposed in the first mounting groove 314. With this structure, the first pressing base 31 can be detached from the first mounting block 331 for replacement, specifically, the first mounting block 331 is located in the first mounting groove 314, and a bolt passes through the upper side wall of the first mounting groove 314 downward and then is screwed into the first mounting block 331, so that the first mounting block 331 can be fixed in the first mounting groove 314, and after the bolt is screwed out, the first mounting block 331 can be pulled out from the first mounting groove 314 in a direction away from the first pole head 32. The first mounting block 331 is connected to the first mounting groove 314 adapted to the first mounting block, so that the first pressing base 31 is not easy to loosen with the first mounting block 331 and further not easy to loosen with the first pressing driving mechanism 33. It is understood that the first mounting block 331 and the first mounting groove 314 are not limited to the above-mentioned connection manner, for example, in some embodiments, the bolt may be replaced by a pin, the pin is inserted into the first mounting block 331 after passing through the upper side wall of the first mounting groove 314, when the first mounting block 331 needs to be taken out of the first mounting groove 314, the pin is pulled out from the upper side wall of the first mounting groove 314 and the first mounting block 331, and in other embodiments, for example, the first mounting block 331 may be adhered or welded in the first mounting groove 314.

As shown in fig. 9, the first pole pressing head 32 includes a first pressing cap 321 located right above the positioning post 21143 and a first connecting portion 322 for connecting the first pressing cap 321 and the first pressing seat 31, specifically, the first pressing cap 321 is connected to the first pressing seat body 311 through the first connecting portion 322, a lower end surface of the first pressing cap 321 faces upwards and is concavely formed with a first pressing groove 3211 adapted to an upper end of the pole 152, and when the first pressing cap 321 presses and holds the pole pressing ring 151 of the pole assembly 15 on a bottom wall of the corresponding pole mounting groove 12, the pole 152 in the pole pressing ring 151 compresses the corresponding sealing ring 14 downwards. With this structure, the first pole pressing head 32 can simultaneously press down the first pole pressing ring 151 and the corresponding pole 152.

The first connecting portion 322 includes a first ball bearing 3221 disposed on the first pressing base 31, a first planar bearing 3222 disposed on the lower surface of the first pressing base 31, and a first vertical shaft 3223 fixed in a bearing hole of the first ball bearing 3221, a lower end of the first vertical shaft 3223 passes through the bearing hole of the first planar bearing 3222 downward and then is fixed on the first pressing cap 321, the first pressing cap 321 is disposed on the lower surface of the first planar bearing 3222, and the first vertical shaft 3223 and the output shaft of the first rotating device 5 are coaxially arranged. Make with this structure first pressure cap 321 can for first pressure seat 31 rotates, after first pressure cap 321 compresses tightly on an utmost point post clamping ring 151 and the utmost point post 152 that corresponds, the rotation of first pressure seat 31 can not drive first pressure cap 321 rotates, can prevent first pressure cap 321 from causing the disturbance to utmost point post 152 and utmost point post clamping ring 151 that are compressed tightly by it, can improve welding quality.

The first connecting frame 34 includes a first horizontal plate 341 and a first vertical plate 342, the first horizontal plate 341 is disposed on the output shaft of the first rotating device 5 and is located between the bottom plate 22 and the top plate 212, the first vertical plate 342 is disposed on one side of the supporting portion 21, the first vertical plate 342 is disposed at one end of the first horizontal plate 341 away from the rotating device, the first pressing driving mechanism 33 is disposed on the first vertical plate 342, specifically, the first pressing driving mechanism 33 is disposed on one side surface of the first vertical plate 342 away from the first rotating device 5, and the first guide rod 35 is disposed at the upper end of the first vertical plate 342. It is understood that the first connecting frame 34 is not limited to the above-mentioned structure, for example, in some embodiments, the first connecting frame 34 may further include only the first cross plate 341, and the first pressing driving mechanism 33 and the first guide rod 35 are both disposed on the first cross plate 341. The first connecting frame 34 only serves as a connecting and mounting function of the first guide rod 35 and the first pressing driving mechanism 33 with the first rotating device 5, and other connecting and mounting structures can be equivalently replaced for the first connecting frame 34.

The first rotating device 5 may be a rotating cylinder or a motor, and the first rotating device 5 is configured to drive the first pressing driving mechanism 33 to perform an arc motion around an output shaft of the first rotating device 5, so as to change a position where the first pressing base 31 covers one pole assembly 15. Specifically, when the output shaft of the first rotating device 5 rotates, the first connecting frame 34 rotates along with the output shaft of the first rotating device 5, the first pressing driving mechanism 33 can perform an arc motion on the first connecting frame 34 around the output shaft of the first rotating device 5, the arc motion of the first pressing driving mechanism 33 can drive the first pressing base 31 to rotate, and the first pressing base 31 can rotate and change the position of the first pressing base 31 covering the first pole assembly 15 before rotating.

As shown in fig. 10, the second pressing device 4 includes a second pressing base 41, a second pole pressing head 42, a second pressing driving mechanism 43, a second connecting frame 44, and a second guide rod 45, the second pole pressing head 42 is a pressing portion of the second pressing device 4 for pressing another pole assembly 15, the second pole pressing head 42 is disposed on the second pressing base 41, the second pole pressing head 42 is located above the supporting portion 21, specifically, the second pole pressing head 42 is located right above another positioning post 21143, the second pressing driving mechanism 43 may be an air cylinder, a hydraulic cylinder, or a push rod motor, the second pressing driving mechanism 43 is located on one side of the supporting portion 21, a second mounting block 431 is disposed on an output shaft of the second pressing driving mechanism 43, the output shaft of the second pressing driving mechanism 43 is connected to the second pressing base 41 through the second mounting block 431, so that the second pressing driving mechanism 43 can drive the second pressing base 41 to move up and down, and in other embodiments, the second pressing driving mechanism 43 can also be directly connected to the second pressing base 41 in this way, and in this way, the second pressing base 41 can also can move up and down the second pressing driving mechanism 43. Viewed in the vertical direction, the second pressing base 41 partially covers the other pole assembly 15 along the radial direction, the second connecting frame 44 is disposed on the output shaft of the second rotating device 6, the second guide rod 45 is disposed on the second connecting frame 44, and the second pressing driving mechanism 43 is disposed on the second connecting frame 44, so as to achieve the connection between the second pressing driving mechanism 43 and the second rotating device 6. When the second pressing and driving mechanism 43 drives the second pressing seat 41 to descend, the second pole pressing head 42 descends along with the second pressing seat 41 to press the other pole assembly 15 onto the corresponding pole mounting groove 12. When the second pressing seat 41 is driven by the second pressing driving mechanism 43 to ascend, the second pole pressing head 42 ascends along with the second pressing seat 41, so that the second pole pressing head 42 is separated from the pole assembly 15 upwards.

The second pressing base 41 includes a second pressing base body 411, a second mounting hole 412, a second guide sleeve 413, and a second mounting groove 414, the second pressing base body 411 is disposed on an output shaft of the second pressing driving mechanism 43, a second mounting block 431 is formed on the output shaft of the second pressing driving mechanism 43, the output shaft of the second pressing driving mechanism 43 is connected to the second pressing base body 411 through the second mounting block 431, the second mounting hole 412 is disposed on the second pressing base body 411 at a position corresponding to the second guide rod 45, the second mounting hole 412 vertically penetrates through the upper and lower surfaces of the second pressing base body 411, the second guide sleeve 413 is disposed in the second mounting hole 412 and adapted to the second mounting hole 412, an inner hole of the second guide sleeve 413 is a second guide hole for guiding by matching with the second guide rod 45, the second guide hole vertically penetrates through the upper and lower surfaces of the second pressing base body 411, the second guide rod 45 is slidably fitted in the second guide hole, and the pressing base body 42 is disposed at one end of the pressing base body 411. In the process that the second pressing seat 41 is driven to ascend and descend by the second pressing driving mechanism 43, the second guide rod 45 is matched with the second guide hole to guide the second pressing seat body 411, so that the ascending and descending process of the second pressing seat body 411 is more stable. It is understood that, in some embodiments, the second guide sleeve 413 may not be provided, and a second guide hole may be directly formed on the second pressure seat body 411, and the second guide hole penetrates through upper and lower side surfaces of the second pressure seat body 411, so that with this structure, the second guide hole may also cooperate with the second guide rod 45 to guide the second pressure seat body 411.

The second installation groove 414 is formed by inward sinking of the end face of the other end of the second pressure seat body 411 opposite to the end where the second pole pressure head 42 is located, the second installation block 431 is matched with the second installation groove 414, and the second installation block 431 is detachably arranged in the second installation groove 414. With this structure, the second pressing base 41 can be detached from and replaced by the second mounting block 431, specifically, the second mounting block 431 is located in the second mounting groove 414, and a bolt passes through the upper side wall of the second mounting groove 414 downward and then is screwed into the second mounting block 431, so that the second mounting block 431 can be fixed in the second mounting groove 414, and after the bolt is screwed out, the second mounting block 431 can be pulled out from the second mounting groove 414 in a direction away from the second pole pressing head 42. The second installation block 431 is connected in the second installation groove 414 matched with the second installation block 431, so that the second pressing seat 41 is not easy to loosen with the second installation block 431 and further not easy to loosen with the second pressing driving mechanism 43. It is understood that the second installation block 431 and the second installation groove 414 are not limited to the above connection manner, for example, in some embodiments, the bolt may be replaced by a pin, the pin passes through the upper side wall of the second installation groove 414 and is inserted into the second installation block 431, when the second installation block 431 needs to be taken out of the second installation groove 414, the pin may be pulled out of the upper side wall of the second installation groove 414 and the second installation block 431, and for example, in other embodiments, the second installation block 431 may be adhered or welded in the second installation groove 414.

As shown in fig. 11, the second pole pressing head 42 includes a second pressing cap 421 located right above the another positioning post 21143 and a second connecting portion 422 for connecting the second pressing cap 421 and the second pressing seat 41, specifically, the second pressing cap 421 is connected to the second pressing seat body 411 through the second connecting portion 422, a second pressing groove 4211 matched with the upper end of the pole 152 is formed in a manner that the lower end surface of the second pressing cap 421 faces upwards and is recessed, and when the second pressing cap 421 presses and holds the pole pressing ring 151 of the another pole assembly 15 on the bottom wall of the corresponding pole mounting groove 12, the pole 152 in the pole pressing ring 151 compresses the corresponding sealing ring 14 downwards. With this structure, the second pole pressing head 42 can simultaneously press down the other pole pressing ring 151 and the corresponding pole 152.

The second connecting portion 422 includes a second ball bearing 4221 disposed on the second pressure base 41, a second planar bearing 4222 disposed on the lower surface of the second pressure base 41, and a second vertical shaft 4223 fixed in a bearing hole of the second ball bearing 4221, a lower end of the second vertical shaft 4223 passes through a bearing hole of the second planar bearing 4222 downward and is fixed on the second pressure cap 421, the second pressure cap 421 is disposed on the lower surface of the second planar bearing 4222, and the second vertical shaft 4223 and an output shaft of the second rotating device 6 are coaxially arranged. Make with this structure the second press cap 421 can for the seat 41 rotates is pressed to the second, presses cap 421 to compress tightly on another utmost point post clamping ring 151 and the utmost point post 152 that corresponds at the second, the rotation that the seat 41 was pressed to the second can not drive the second presses cap 421 to rotate, can prevent the second presses cap 421 to cause the disturbance to utmost point post 152 and utmost point post clamping ring 151 that are compressed tightly by it, can improve welding quality.

The second connecting frame 44 includes a second horizontal plate 441 and a second vertical plate 442, the second horizontal plate 441 is disposed on the output shaft of the second rotating device 6 and is located between the bottom plate 22 and the top plate 212, the second vertical plate 442 is disposed on one side of the supporting portion 21, the second vertical plate 442 is disposed at one end of the second horizontal plate 441 away from the rotating device, the second pressing driving mechanism 43 is disposed on the second vertical plate 442, specifically, the second pressing driving mechanism 43 is disposed at one side of the second vertical plate 442 away from the second rotating device 6, and the second guide rod 45 is disposed at an upper end of the second vertical plate 442. It should be understood that the second connecting frame 44 is not limited to the above-mentioned structure, for example, in some embodiments, the second connecting frame 44 may also include only the second horizontal plate 441, and the second pressing driving mechanism 43 and the second guide rod 45 are both disposed on the second horizontal plate 441. The second connecting frame 44 only serves as a connecting and mounting function of the second guide rod 45 and the second pressing driving mechanism 43 with the second rotating device 6, and other connecting and mounting structures can be equivalently replaced for the second connecting frame 44.

The second rotating device 6 may be a rotating cylinder or a motor, and the second rotating device 6 is configured to drive the second pressing driving mechanism 43 to perform an arc-shaped motion around an output shaft of the second rotating device 6, so as to change a position where the second pressing base 41 covers the other pole assembly 15. Specifically, when the output shaft of the second rotating device 6 rotates, the second connecting frame 44 rotates along with the output shaft of the second rotating device 6, the second pressing driving mechanism 43 can perform an arc motion on the second connecting frame 44 around the output shaft of the second rotating device 6, the arc motion of the second pressing driving mechanism 43 can drive the second pressing base 41 to rotate, and the second pressing base 41 can rotate and change the position where the second pressing base 41 covers the other pole assembly 15 before rotating.

The utility model discloses battery top cap utmost point post subassembly welding jig theory of use as follows: before the battery top cover pole assembly welding jig is used for welding the poles 152, the battery top cover 1 is arranged on the supporting plate 211, then the supporting plate 211 is arranged on the top plate 212, the first pressing seat 31 and the second pressing seat 41 are respectively driven to move downwards by the first pressing driving mechanism 33 and the second pressing driving mechanism 43, so that the first pole pressing head 32 and the second pole pressing head 42 are respectively driven to move downwards, the first pole pressing head 32 is matched with the supporting part 21 to press the position of the battery top cover 1 corresponding to one pole assembly 15, namely, one pole pressing ring 151 is pressed on the bottom wall of the corresponding pole mounting groove 12, and the poles 152 in the pole 151 are pressed on the corresponding sealing rings 14; the second pole pressing head 42 is matched with the supporting part 21 to press the battery top cover 1 corresponding to the position of another pole assembly 15, namely, another pole pressing ring 151 is pressed on the bottom wall of the corresponding pole mounting groove 12, and a pole 152 in the pole pressing ring 151 is pressed on the corresponding sealing ring 14. Then, the edges of the two pole assemblies 15 can be welded, and in the process of welding the edge of one pole assembly 15, the first pressing driving mechanism 33 is driven by the first rotating device 5 to do arc motion around the output shaft of the first rotating device 5 so as to change the position of the first pressing seat 31 covering the pole assembly 15. Even if the first pressing seat 31 rotates to avoid the part of the first pressing seat 31 where the edge of the pole assembly 15 is shielded before rotating, a welding line which is closed end to end is conveniently formed around the pole pressing ring 151 of the pole assembly 15 when the pole assembly 15 is welded; in the process of welding the edge of the other pole assembly 15, the second rotating device 6 drives the second pressing driving mechanism 43 to do arc motion around the output shaft of the second rotating device 6, so as to change the position of the second pressing seat 41 covering the pole assembly 15. Even if the second pressing base 41 rotates to avoid the part of the second pressing base 41 where the edge of the pole assembly 15 is shielded before rotating, a welding line which is closed end to end is conveniently formed around the pole pressing ring 151 of the pole assembly 15 when the pole assembly 15 is welded.

The above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a battery top cap utmost point post subassembly welding jig which characterized in that: including base, closing device and rotary device, the base has the supporting part that is used for supporting the battery top cap, closing device be used for with the supporting part cooperation compresses tightly the battery top cap, closing device is including pressing the seat, locating press on the seat and be located the utmost point post pressure head of supporting part top and being located one side of supporting part is used for the drive press the compressing drive mechanism that the seat goes up and down, observe in the vertical direction, press the seat part to cover the utmost point post subassembly of battery top cap, rotary device is used for the drive compress tightly actuating mechanism and wind rotary device's output shaft makes the arc motion, with the transform press the seat to cover the position of utmost point post subassembly.

2. The welding jig for the pole assembly of the battery top cover according to claim 1, wherein: the compressing device also comprises a connecting frame arranged on an output shaft of the rotating device and a guide rod arranged on the connecting frame, and the compressing driving mechanism is arranged on the connecting frame; the pressing seat comprises a pressing seat body arranged on an output shaft of the pressing driving mechanism and a guide hole arranged on the pressing seat body and corresponding to the position of the guide rod, the guide hole vertically penetrates through the upper surface and the lower surface of the pressing seat body, the guide rod is in sliding fit with the guide hole, and the pole pressing head is arranged at one end of the pressing seat body.

3. The welding jig for the pole assembly of the battery top cover according to claim 2, characterized in that: the pressing seat body is provided with a mounting hole vertically penetrating through the upper surface and the lower surface of the pressing seat body, the pressing seat further comprises a guide sleeve which is arranged in the mounting hole and matched with the mounting hole, and the inner hole of the guide sleeve is the guide hole.

4. The battery top cap pole assembly welding jig of claim 2, characterized in that: the connecting frame comprises a transverse plate arranged on the output shaft of the rotating device and a longitudinal plate arranged on one side of the supporting portion, the longitudinal plate is arranged at one end, far away from the rotating device, of the transverse plate, the pressing driving mechanism is arranged on the longitudinal plate, and the guide rod is arranged at the upper end of the longitudinal plate.

5. The welding jig for the battery top cap pole assembly of claim 4, wherein: the base further comprises a bottom plate located below the supporting portion and a vertical plate used for connecting the supporting portion and the bottom plate, and the rotating device and the horizontal plate are located between the supporting portion and the bottom plate.

6. The welding jig for the battery top cap pole assembly of claim 4, wherein: the pressing driving mechanism is arranged on the longitudinal plate and is far away from one side face of the pressing device, a mounting groove is formed in the pressing seat body in a inwards concave mode on the end face of the other end, opposite to one end where the pole pressing head is located, of the pressing seat body, an installation block matched with the mounting groove is formed in the output shaft of the pressing driving mechanism, and the installation block is detachably arranged in the mounting groove.

7. The welding jig for the pole assembly of the battery top cover according to claim 1, wherein: the supporting part comprises a supporting plate, the supporting plate comprises a supporting plate body, a battery top cover accommodating groove, a pole positioning mechanism mounting hole and a pole positioning mechanism, the battery top cover accommodating groove is formed in the upper side surface of the supporting plate body and is matched with the battery top cover, the pole positioning mechanism mounting hole is formed in the supporting plate body and corresponds to the position of the pole assembly, the pole positioning mechanism mounting hole is formed in the pole positioning mechanism mounting hole, the pole positioning mechanism mounting hole comprises a groove formed by upwards sinking from the lower surface of the supporting plate body, a step hole is formed in the upper side wall of the groove and corresponds to the position of the pole assembly, the lower end of a large hole section of the step hole penetrates through the groove, and the upper end of a small hole section of the step hole penetrates through the battery top cover accommodating groove; utmost point post positioning mechanism including locate in the recess and with the shutoff piece of recess looks adaptation, sliding fit in slip post in the macropore section, locate slip post upper end just is located reference column in the micropore section and locating the shutoff piece with elastic component between the slip post, the upper end protrusion in the diapire of battery top cap holding tank and with the positioning groove looks adaptation of utmost point post, the lower extreme of elastic component supports holds the shutoff piece, the upper end supports holds the slip post, so that the side of going up of slip post support hold in on the step of step hole.

8. The welding jig for the post assembly of the battery top cover according to claim 7, wherein: the supporting part also comprises a top plate for supporting the supporting plate body, and at least two alignment pins are formed on the top plate; and when each alignment groove is assembled on the corresponding alignment pin, the positioning column is positioned right below the pole pressing head.

9. The welding jig for the post assembly of the battery top cover according to claim 7, wherein: utmost point post pressure head is including being located press the cap and be used for connecting directly over the reference column press the cap with the connecting portion of pressing the seat, press the lower extreme of cap upwards sunken be formed with the indent of utmost point post upper end looks adaptation, work as press the cap will utmost point post clamping ring pressure of utmost point post subassembly press hold in when on the diapire of the utmost point post mounting groove of battery top cap, utmost point post compresses downwards the sealing washer of battery top cap.

10. The welding jig for the pole assembly of the battery top cover according to claim 9, wherein: the connecting part comprises a ball bearing arranged on the pressing seat, a plane bearing arranged on the lower surface of the pressing seat and a vertical shaft fixed in a bearing hole of the ball bearing, the vertical shaft and an output shaft of the rotating device are coaxially arranged, the lower end of the vertical shaft downwards penetrates through the bearing hole of the plane bearing and then is fixed on the pressing cap, and the pressing cap is arranged on the lower surface of the plane bearing.

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