CN213702286U

CN213702286U - Cylindrical battery point bottom welding device

Info

Publication number: CN213702286U
Application number: CN202022778910.6U
Authority: CN
Inventors: 陈大圣; 周伟; 李文康; 宗哲
Original assignee: Tianke New Energy Co ltd
Current assignee: Tianke New Energy Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-16
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a cylindrical battery welds device at bottom of putting, including base, riser, backup pad, push-and-pull ware, rack, eccentric welding rod and rotating gear, the riser is located on the base, the riser symmetry is equipped with two sets ofly, the backup pad is located between two risers, the push-and-pull ware is located in the backup pad, the rack is located on the push-and-pull ware, eccentric welding rod is rotatory to be run through and to be located in the backup pad, rotate the gear cover connect locate on the eccentric welding rod and with rack toothing, the push-and-pull ware includes fixing base, push-and-pull motor, driving gear, driven gear, lead screw, threaded sleeve, track pole and sliding sleeve, the fixing base is located in the backup pad and is lateral wall open-ended cavity setting, push-and-pull motor locates on the fixing base inner wall. The utility model relates to a cylinder battery production technical field specifically indicates a cylindrical battery welds device at bottom of pointing.

Description

Cylindrical battery point bottom welding device

Technical Field

The utility model relates to a cylinder battery production technical field specifically indicates a cylindrical battery welds device at bottom of pointing.

Background

The cylindrical battery is a battery with high capacity, long cycle life and wide use environment temperature, the product is applied to solar lamps, lawn lamps, backup energy sources, electric tools, toy models and photovoltaic energy sources, and is divided into different systems of lithium iron phosphate, lithium cobaltate, lithium manganate and cobalt manganese mixed and ternary materials, the shell is divided into a steel shell and a polymer, and the batteries with different material systems have different advantages; the lithium iron battery mainly comprises a cylindrical iron phosphate lithium battery with a steel shell, and has the advantages of high capacity, high output voltage, good charge-discharge cycle performance, stable output voltage, capability of discharging with large current, electrochemical stability, safety in use and wide working temperature range.

The bottom welding of the cylindrical battery is an important process for producing the cylindrical battery, and generally, a welding rod with a central cone structure is used for one-time welding, but long-term verification proves that the welding method has the defects of poor welding effect, unstable battery internal resistance and the like.

If the center cone structure can be changed into an eccentric structure and an automatic structure is adopted, after the first welding, the welding equipment rotates 180 degrees to perform the second welding, so that the two welding points are symmetrical, and the produced cylindrical battery is more stable and reliable.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the defects of the prior art, the utility model provides an improvement soldered connection shape conveniently carries out twice symmetric welding's cylindrical battery and welds device at bottom of a little.

The utility model adopts the following technical scheme: the utility model relates to a cylindrical battery point bottom welding device, which comprises a base, an elevator, a support plate, a push-pull device, a rack, an eccentric welding rod and a rotating gear, wherein the elevator is arranged on the base, the elevator is symmetrically provided with two groups, the support plate is arranged between the two elevators, the push-pull device is arranged on the support plate, the rack is arranged on the push-pull device, the eccentric welding rod is rotatably arranged on the support plate in a penetrating way, the other end of the eccentric welding rod is connected with a welding machine, the rotating gear is sleeved on the eccentric welding rod and is meshed with the rack, the push-pull device comprises a fixed seat, a push-pull motor, a driving gear, a driven gear, a lead screw, a threaded sleeve, a track rod and a sliding sleeve, the fixed seat is arranged on the support plate and is a hollow cavity device with an opening on the side wall, the push-pull motor, the driven gear is rotatably arranged on the inner wall of the fixing seat and meshed with the driving gear, the lead screw is arranged on the driven gear, the threaded sleeve is in threaded connection with the lead screw and penetrates through an opening in the side wall of the fixing seat, the track rod is arranged on the inner wall of the fixing seat, the track rod is symmetrically provided with two groups, the sliding sleeve is arranged on the threaded sleeve and is slidably sleeved on the track rod, the sliding sleeve is symmetrically provided with two groups, and the rack is arranged on the threaded sleeve.

Furthermore, the lifter comprises a protection box, a lifting motor, a threaded rod and lifting nuts, wherein the protection box is arranged on the base and is of a hollow cavity structure, a lifting through hole is formed in one side, close to the support plate, of the protection box, the lifting motor is arranged on the inner wall of the protection box, the threaded rod is rotatably arranged on the inner wall of the protection box and is connected with an output shaft of the lifting motor, the lifting nut is in threaded connection with the threaded rod, the support plate is arranged between the two lifting nuts, the height of the eccentric welding rod is adjusted according to actual production requirements, the lifting motor 17 rotates in the forward direction to drive the threaded rod to rotate, meanwhile, the lifting nut rises to drive the support plate to move upwards, components arranged on the support plate are driven to move upwards, a cylindrical battery to be welded is contacted with the eccentric welding rod, a special support device can, the push-and-pull motor corotation work drives the driving gear rotatory, and is rotatory with driving gear engaged with driven gear, and it is rotatory to drive the lead screw, draws back threaded sleeve pipe to fixing base inside simultaneously, locates rack on the threaded sleeve pipe and progressively meshes with the rotating gear, drives rotating gear and locates the eccentric welding pole on the rotating gear and rotates 180 degrees, carries out second point end welding again can.

Further, the number of teeth of the rack is half of the number of teeth of the rotating gear, and the rotating gear rotates 180 degrees each time the rack is in contact with the rotating gear.

Furthermore, an ascending pedal and a descending pedal are arranged on the base and electrically connected with a lifting motor.

Furthermore, a switch is arranged on the fixed seat and electrically connected with the push-pull motor, and the switch can control the forward rotation, the reverse rotation and the closing of the push-pull motor.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: utilize the riser can be according to the height of actual production needs adjustment eccentric welding pole, increased the practicality to can fix eccentric welding pole position, make things convenient for follow-up operation, utilize push-and-pull ware and rack cooperation, can rotate 180 degrees with eccentric welding pole, realize symmetrical secondary welding, utilize eccentric welding pole, can realize two welding points and do not overlap, increased welded reliability, this design has been accomplished in each part cooperation, simple structure to accord with actual practical need.

Drawings

Fig. 1 is a schematic view of the overall structure of a cylindrical battery spot bottom welding device of the present invention;

fig. 2 is a schematic structural diagram of a push-pull device of a spot-bottom welding device for cylindrical batteries according to the present invention.

The device comprises a base 1, a base 2, a lifter 3, a support plate 4, a push-pull device 5, a rack 6, an eccentric welding rod 7, a rotating gear 8, a fixed seat 9, a push-pull motor 10, a driving gear 11, a driven gear 12, a screw rod 13, a threaded sleeve 14, a track rod 15, a sliding sleeve 16, a protection box 17, a lifting motor 18, a threaded rod 19, a lifting nut 20, a lifting through hole 21, a lifting pedal 22, a descending pedal 23 and a switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-2, the utility model relates to a cylindrical battery bottom spot welding device, which comprises a base 1, a lifter 2, a support plate 3, a push-pull device 4, a rack 5, an eccentric welding rod 6 and a rotating gear 7, wherein the lifter 2 is arranged on the base 1, the lifter 2 is symmetrically provided with two groups, the support plate 3 is arranged between the two lifters 2, the push-pull device 4 is arranged on the support plate 3, the rack 5 is arranged on the push-pull device 4, the eccentric welding rod 6 is rotatably arranged on the support plate 3 in a penetrating way, the rotating gear 7 is sleeved on the eccentric welding rod 6 and is meshed with the rack 5, the push-pull device 4 comprises a fixed seat 8, a push-pull motor 9, a driving gear 10, a driven gear 11, a screw rod 12, a threaded sleeve 13, a track rod 14 and a sliding sleeve 15, the fixed seat 8 is arranged on the support plate 3 and is a hollow cavity with, the push-pull motor 9 is arranged on the inner wall of the fixing seat 8, the driving gear 10 is arranged on an output shaft of the push-pull motor 9, the driven gear 11 is rotatably arranged on the inner wall of the fixing seat 8 and meshed with the driving gear 10, the screw rod 12 is arranged on the driven gear 11, the threaded sleeve 13 is in threaded connection with the screw rod 12 and penetrates through an opening in the side wall of the fixing seat 8, the track rods 14 are arranged on the inner wall of the fixing seat 8, the track rods 14 are symmetrically provided with two groups, the sliding sleeve 15 is arranged on the threaded sleeve 13 and is in sliding sleeve connection with the track rods 14, the sliding sleeve 15 is symmetrically provided with two groups, and the rack 5 is arranged on the.

The lifter 2 comprises a protection box 16, a lifting motor 17, a threaded rod 18 and lifting nuts 19, the protection box 16 is arranged on the base 1 and is arranged in a hollow cavity structure, lifting through holes 20 are formed in one side, close to the supporting plate 3, of the protection box 16, the lifting motor 17 is arranged on the inner wall of the protection box 16, the threaded rod 18 is rotatably arranged on the inner wall of the protection box 16 and is connected with an output shaft of the lifting motor 17, the lifting nuts 19 are connected on the threaded rod 18 in a threaded mode, the supporting plate 3 is arranged between the two lifting nuts 19, the number of teeth of the rack 5 is half of the number of teeth of the rotating gear 7, an ascending pedal 21 and a descending pedal 22 are arranged on the base 1, the ascending pedal 21 and the descending pedal 22 are electrically connected with the lifting motor 17, a switch 23 is arranged on the fixing seat 8, and the switch.

When in specific use: adjusting the height of the eccentric welding rod 6 according to the actual production requirement, if the height needs to be adjusted, stepping on an ascending pedal 21, operating an elevating motor 17 to drive a threaded rod 18 to rotate, simultaneously ascending an elevating nut 19 to drive a support plate 3 to move upwards, simultaneously driving a component arranged on the support plate 3 to move upwards, if the height needs to be reduced, stepping on a descending pedal 22, rotating the elevating motor 17 reversely, contacting a cylindrical battery to be welded with the eccentric welding rod 6, or using a special support device to support the cylindrical battery, after the first welding is finished, pressing a switch 23, rotating a push-pull motor 9 in a forward rotation mode to drive a driving gear 10 to rotate, rotating a driven gear 11 meshed with the driving gear 10 to drive a screw rod 12 to rotate, simultaneously pulling back a threaded sleeve 13 towards the inside of a fixed seat 8, gradually meshing a rack 5 arranged on the threaded sleeve 13 with a rotating gear 7 to drive the rotating gear 7 and the eccentric welding rod 6 arranged on, performing second bottom spot welding; and (3) rotating the welded cylindrical battery, welding a new cylindrical battery, starting the switch 23 after the first welding is finished, reversely rotating the push-pull motor 9, pushing the rack 5 out, reversely rotating the eccentric welding rod 6 by 180 degrees, and performing second welding.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a cylindrical battery welds device at bottom of some which characterized in that: the lifting device comprises a base, two groups of lifters, a supporting plate, a push-pull device, a rack, an eccentric welding rod and a rotating gear, wherein the lifters are arranged on the base, the two groups of lifters are symmetrically arranged, the supporting plate is arranged between the two lifters, the push-pull device is arranged on the supporting plate, the rack is arranged on the push-pull device, the eccentric welding rod is rotatably arranged on the supporting plate in a penetrating way, the rotating gear is sleeved on the eccentric welding rod and is meshed with the rack, the push-pull device comprises a fixed seat, a push-pull motor, a driving gear, a driven gear, a lead screw, a threaded sleeve, a track rod and a sliding sleeve, the fixed seat is arranged on the supporting plate and is a hollow cavity with an opening on the side wall, the push-pull motor is arranged on the inner wall of the fixed seat, the driving gear is arranged on an output shaft, threaded sleeve threaded connection locates on the lead screw and runs through fixing base lateral wall opening, the track pole is located on the fixing base inner wall, the track pole symmetry is equipped with two sets ofly, the slip cap is located on the threaded sleeve and is slided to cup joint and locate on the track pole, the slip cap symmetry is equipped with two sets ofly, the rack is located on the threaded sleeve.

2. The cylindrical battery spot bottom welding device according to claim 1, wherein: the lifter comprises a protection box, a lifting motor, a threaded rod and a lifting nut, wherein the protection box is arranged on the base and is of a hollow cavity structure, a lifting through hole is formed in one side, close to the supporting plate, of the protection box, the lifting motor is arranged on the inner wall of the protection box, the threaded rod is rotatably arranged on the inner wall of the protection box and connected with the output shaft of the lifting motor, the lifting nut is in threaded connection with the threaded rod, and the supporting plate is arranged between the two lifting nuts.

3. The cylindrical battery spot bottom welding device according to claim 1, wherein: the number of teeth of the rack is half of that of the rotating gear.

4. The cylindrical battery spot bottom welding device according to claim 2, wherein: the base is provided with an ascending pedal and a descending pedal, and the ascending pedal and the descending pedal are electrically connected with a lifting motor.

5. The cylindrical battery spot bottom welding device according to claim 1, wherein: the fixed seat is provided with a switch, and the switch is electrically connected with the push-pull motor.