阅读说明：本技术 一种18650电池组焊接装置 (18650 group battery welding set ) 是由 揭佳和 于 2019-12-18 设计创作，主要内容包括：本发明涉及18650锂电池领域,尤其是一种18650电池组焊接装置,包括机身以及所述机身内设置的上下对称设置的滑动腔,上下两个所述滑动腔之间设置有电池仓,所述电池仓内可滑动的设置有推板,所述推板与所述电池仓左侧端壁间设置有第一弹簧,所述电池仓与所述滑动腔之间连通设置有连通槽,所述滑动腔内可滑动的设置有滑动架,所述滑动架内设置有左右贯通的螺纹孔,本发明提供的一种18650电池组焊接装置,能够便利的进行18650锂电池的焊接,设备操作方便,自动化程度高,能够自动布设导电金属片,同时能够自动剪切多余导电金属片,效率较高,焊接牢固。(The invention relates to the field of 18650 lithium batteries, in particular to a 18650 battery pack welding device which comprises a machine body and sliding cavities which are arranged in the machine body and are vertically symmetrical, a battery compartment is arranged between the upper sliding cavity and the lower sliding cavity, a push plate is arranged in the battery compartment in a sliding manner, a first spring is arranged between the push plate and the left side end wall of the battery compartment, a communicating groove is communicated between the battery compartment and the sliding cavities, a sliding frame is arranged in the sliding cavity in a sliding manner, and a threaded hole which is communicated from left to right is formed in the sliding frame.)

1. The utility model provides a 18650 group battery welding set, includes the fuselage and the sliding chamber that sets up of symmetry about setting up in the fuselage, its characterized in that: a battery compartment is arranged between the upper sliding cavity and the lower sliding cavity, a push plate is arranged in the battery compartment in a sliding manner, a first spring is arranged between the push plate and the left end wall of the battery compartment, a communicating groove is arranged between the battery compartment and the sliding cavity in a communicating manner, a sliding frame is arranged in the sliding cavity in a sliding manner, a threaded hole which is communicated with the left side and the right side is arranged in the sliding frame, a threaded rod is connected with the threaded hole in a threaded manner, the threaded rod is connected with a first motor which is fixedly arranged in the left end wall of the sliding cavity in a power mode, the sliding frame is close to the end wall of one side of the battery compartment and is internally provided with a first guide chute and a second guide chute which is positioned at the right side of the first guide chute, a welding rod is arranged in the first guide chute in a sliding manner, a second spring is arranged between, a power connection rod is slidably arranged in the second guide chute, a third spring is arranged between the power connection rod and the end wall of the second guide chute, when the upper power connection rod and the lower power connection rod are respectively abutted against the positive electrode and the negative electrode of a 18650 lithium battery arranged in the battery bin, the electromagnet and the 18650 lithium battery form a series circuit, the electromagnet is electrified to adsorb the welding rod, when the upper power connection rod and the lower power connection rod are separated from the positive electrode and the negative electrode of the 18650 lithium battery, the electromagnet is powered off, the welding rod moves to the upper side and the lower side of the 18650 lithium battery at the moment, so that the tail end of a metal sheet is welded on the upper side and the lower side of the 18650 lithium battery, a cutting device for cutting the metal sheet is arranged in the bottom wall of the sliding frame, the cutting device can cut the tail end of the metal sheet when the sliding frame slides to the rightmost side of, the communicating cavity is internally provided with a door opening and closing device for sealing the battery compartment, the door opening and closing device is opened after welding is completed, and meanwhile, the welded battery is popped up.

2. A 18650 battery pack welding apparatus, as claimed in claim 1, wherein: the cutting device comprises a pushing cavity arranged in the bottom wall of the sliding frame, a first rotating shaft is rotatably arranged in the pushing cavity, a cam and gears positioned on the front side and the rear side of the cam are fixedly arranged on the outer surface of the first rotating shaft, a third guide chute communicated with the outer part of the sliding frame is arranged in the bottom wall of the pushing cavity, a cutting knife is slidably arranged in the third guide chute, a first reset device for driving the cutting knife to reset after the cutting knife is displaced is arranged between the cutting knife and the end wall of the third guide chute, fixing plates which are symmetrical front and rear are fixedly arranged on the bottom wall of the sliding frame, a supporting plate is fixedly arranged on the end wall of one side, close to each other, of the fixing plates, a chopping block hinged to the fixing plate and close to one end wall is arranged above the supporting plate, a fourth guide chute penetrating through the pushing cavity, slidable be provided with in the fourth guide chute with gear engagement's rack, the rack with the fourth is guided and is provided with the fourth spring between the chute end wall, be provided with the wire winding chamber in the chamber left side end wall that slides, rotatable reel that is provided with in the wire winding chamber, the reel with be provided with the torsional spring around the wire winding chamber between the end wall, the reel surface around be equipped with terminal with rack fixed connection's acting as go-between.

3. A 18650 battery pack welding apparatus, as claimed in claim 1, wherein: be provided with in the carriage and rotate the chamber, it is provided with the rotating turret to rotate the rotatable being provided with of intracavity, the sheetmetal is around establishing the rotating turret surface, it is close to rotate the chamber be provided with the recess in the first spout of leading one side end wall, rotatable being provided with the fixed pulley in the recess, the sheetmetal is kept away from sheetmetal one side end is walked around the fixed pulley stretches into two around between the fixed plate, it keeps away from to rotate the chamber be provided with the fifth spout of leading in the first spout of leading one side end wall, slidable is provided with the brake lever in the fifth spout of leading, the brake lever with be provided with between the fifth spout end wall drive after the brake lever displacement the second resetting means that the brake lever resets, the slip chamber is kept away from fixed being provided with the lug on the battery compartment one side end wall.

4. A 18650 battery pack welding apparatus, as claimed in claim 1, wherein: the door opening and closing device comprises a rotating door hinged to the bottom wall of the communicating cavity, a fixing block is fixedly arranged on the end wall of the left side of the rotating door, a sixth guide chute with a downward opening is arranged in the top wall of the communicating cavity, a bottom end of the locking rod which stretches into the locking groove in the top wall of the rotating door is slidably arranged in the sixth guide chute, a fifth spring is arranged between the top walls of the sixth guide chute and the locking rod, an inclined hole is formed in the locking rod in a left-right penetrating mode, an upper side of the locking rod is provided with a seventh guide chute which penetrates through the sixth guide chute in the end wall of the right side of the sliding cavity, a push rod is slidably arranged in the seventh guide chute, and a third reset device which is used for driving the push rod to reset after the push rod moves is arranged between the end walls of the seventh.

Technical Field

The invention relates to the field of 18650 lithium batteries, in particular to a 18650 battery pack welding device.

Background

During 18650 lithium cell group assembly welding, traditional manual welding, the efficiency is lower, and manual welding reliability is low, appears the rosin joint condition easily, and during manual welding, because 18650 lithium cell is circular, the wiring is very inconvenient, therefore needs to set up a 18650 battery welding set and improves above-mentioned problem.

Disclosure of Invention

The invention aims to provide a 18650 battery pack welding device which can overcome the defects in the prior art, so that the practicability of equipment is improved.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a battery pack welding device, which comprises a machine body and sliding cavities which are arranged in the machine body in a vertically symmetrical manner, wherein a battery compartment is arranged between the upper sliding cavity and the lower sliding cavity, a push plate is arranged in the battery compartment in a sliding manner, a first spring is arranged between the push plate and the left side end wall of the battery compartment, a communicating groove is communicated between the battery compartment and the sliding cavity, a sliding frame is arranged in the sliding cavity in a sliding manner, a threaded hole which is communicated from left to right is arranged in the sliding frame, a threaded rod is connected with the threaded hole in a threaded manner, the threaded rod is provided with a first motor power connection fixedly arranged in the left side end wall of the sliding cavity, a first guide chute and a second guide chute positioned on the right side of the first guide chute are arranged in the end wall of the sliding frame close to, a second spring is arranged between the welding rod and the end wall of the first guide sliding groove, an electromagnet attracting the welding rod is arranged in the wall of the first guide sliding groove, an electric connecting rod is arranged in the second guide sliding groove in a sliding manner, a third spring is arranged between the electric connecting rod and the end wall of the second guide sliding groove, when the upper electric connecting rod and the lower electric connecting rod are respectively abutted to the positive electrode and the negative electrode of a 18650 lithium battery placed in the battery bin, the electromagnet and the 18650 lithium battery form a series circuit, the welding rod is adsorbed by electrifying the electromagnet at the moment, when the upper electric connecting rod and the lower electric connecting rod are separated from the positive electrode and the negative electrode of the 18650 lithium battery, the electromagnet is powered off, the welding rod moves to the upper side and the lower side of the 18650 lithium battery at the moment, so that the tail ends of metal sheets are welded to the upper side and the lower side of the, the cutting device is in the carriage slides to can with when the rightmost side in slip chamber the sheetmetal end is cut off, be provided with the intercommunication chamber of intercommunication the battery compartment in the fuselage right side end wall, be provided with in the intercommunication chamber and seal the door opening and closing device of battery compartment, the door opening and closing device is opened after the welding is accomplished, pops out the battery after the welding simultaneously.

Further, the cutting device comprises a pushing cavity arranged in the bottom wall of the sliding frame, a first rotating shaft is rotatably arranged in the pushing cavity, a cam and gears positioned on the front side and the rear side of the cam are fixedly arranged on the outer surface of the first rotating shaft, a third guide chute communicated with the outer part of the sliding frame is arranged in the bottom wall of the pushing cavity, a cutting knife is slidably arranged in the third guide chute, a first reset device for driving the cutting knife to reset after the cutting knife is displaced is arranged between the cutting knife and the end wall of the third guide chute, fixing plates which are symmetrical front and rear are fixedly arranged on the bottom wall of the sliding frame, a supporting plate is fixedly arranged on the end wall of one side, close to each other, of the fixing plates, a chopping board hinged to the end wall of one side, close to each other, of the fixing plate is arranged above the supporting plate, a fourth guide chute, slidable be provided with in the fourth guide chute with gear engagement's rack, the rack with the fourth is guided and is provided with the fourth spring between the chute end wall, be provided with the wire winding chamber in the chamber left side end wall that slides, rotatable reel that is provided with in the wire winding chamber, the reel with be provided with the torsional spring around the wire winding chamber between the end wall, the reel surface around be equipped with terminal with rack fixed connection's acting as go-between.

Further, be provided with in the carriage and rotate the chamber, it is provided with the rotating turret to rotate the rotatable intracavity, the sheetmetal is around establishing the rotating turret surface, it is close to rotate the chamber be provided with the recess in the first spout of leading one side end wall, rotatable being provided with the fixed pulley in the recess, the sheetmetal is kept away from sheetmetal one side end is walked around the fixed pulley stretches into two around between the fixed plate, it keeps away from to rotate the chamber be provided with the fifth spout of leading in the first spout of leading one side end wall, slidable is provided with the brake lever in the fifth spout of leading, the brake lever with be provided with between the fifth spout end wall drive after the brake lever displacement the second resetting means that the brake lever resets, the sliding chamber is kept away from fixed being provided with the lug on the battery compartment one side end wall.

Further, the door opening and closing device comprises a rotary door hinged to the bottom wall of the communicating cavity, a fixed block is fixedly arranged on the end wall of the left side of the rotary door, a sixth guide chute with a downward opening is arranged in the top wall of the communicating cavity, a bottom end of the sixth guide chute can be slidably arranged in the sixth guide chute to stretch into a locking rod in a locking groove in the top wall of the rotary door, a fifth spring is arranged between the top walls of the sixth guide chute and the locking rod, an inclined hole is formed in the locking rod in a left-right through mode, an upper side of the locking rod is arranged in the end wall of the right side of the sliding cavity and penetrates through the seventh guide chute, a push rod is slidably arranged in the seventh guide chute, and a third reset device for resetting the push rod is driven after the push rod is displaced.

The invention has the beneficial effects that: the 18650 battery pack welding device provided by the invention can be used for conveniently welding 18650 lithium batteries, is convenient to operate, has high automation degree, can automatically lay conductive metal sheets, can automatically shear redundant conductive metal sheets, and is high in efficiency and firm in welding.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic diagram of the overall structure of a 18650 battery welding device according to the invention.

Fig. 2 is an enlarged schematic view of a in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 1.

Fig. 4 is an enlarged schematic view of C in fig. 2.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

With reference to fig. 1-4, the 18650 battery welding device includes a body 10 and sliding cavities 15 disposed in the body 10 and vertically symmetrical to each other, a battery compartment 12 is disposed between the upper and lower sliding cavities 15, a push plate 13 is slidably disposed in the battery compartment 12, a first spring 14 is disposed between the push plate 13 and the left end wall of the battery compartment 12, a communicating slot 17 is disposed between the battery compartment 12 and the sliding cavity 15, a sliding frame 23 is slidably disposed in the sliding cavity 15, a left and right through threaded hole 21 is disposed in the sliding frame 23, a threaded rod 22 is connected to the threaded hole 21 through a thread, the threaded rod 22 is connected to a first motor 64 fixedly disposed in the left end wall of the sliding cavity 15 through power, a first sliding guide slot 31 and a second sliding guide slot 27 disposed on the right side of the first sliding guide slot 31 are disposed in the end wall of the sliding frame 23 on one side close to the battery compartment 12, a welding rod 24 is slidably arranged in the first guide chute 31, a second spring 30 is arranged between the welding rod 24 and the end wall of the first guide chute 31, an electromagnet 32 attracting the welding rod 24 is arranged in the wall of the first guide chute 31, an electric connecting rod 25 is slidably arranged in the second guide chute 27, a third spring 29 is arranged between the electric connecting rod 25 and the end wall of the second guide chute 27, when the upper electric connecting rod 25 and the lower electric connecting rod 25 are respectively abutted to the positive electrode and the negative electrode of the 18650 lithium battery 11 placed in the battery compartment 12, the electromagnet 32 and the 18650 lithium battery 11 form a series circuit, the electromagnet 32 is electrified to adsorb the welding rod 24, when the upper electric connecting rod 25 and the lower electric connecting rod 25 are separated from the positive electrode and the negative electrode of the 18650 lithium battery 11, the electromagnet 32 is powered off, and the welding rod 24 moves to the upper side and the lower side of the 18650 lithium battery 11, therefore, the tail ends of the metal sheets 63 are welded on the upper side and the lower side of a 18650 lithium battery, a cutting device 99 used for cutting the metal sheets 63 is arranged in the bottom wall of the sliding frame 23, the cutting device 99 can cut off the tail ends of the metal sheets 63 when the sliding frame 23 slides to the rightmost side of the sliding cavity 15, a communicating cavity 18 communicated with the battery compartment 12 is arranged in the end wall of the right side of the machine body 10, a door opening and closing device 98 used for sealing the battery compartment 12 is arranged in the communicating cavity 18, the door opening and closing device 98 is opened after welding is completed, and meanwhile, the welded battery is ejected.

Beneficially, the cutting device 99 includes a pushing cavity 59 disposed in the bottom wall of the sliding frame 23, a first rotating shaft 52 is rotatably disposed in the pushing cavity 59, a cam 46 and gears 51 located on the front and rear sides of the cam 46 are fixedly disposed on the outer surface of the first rotating shaft 52, a third guide chute 56 communicated with the outside of the sliding frame 23 is disposed in the bottom wall of the pushing cavity 59, a cutting knife 58 is slidably disposed in the third guide chute 56, a first resetting device 57 for driving the cutting knife 58 to reset after the cutting knife 58 displaces is disposed between the cutting knife 58 and the end wall of the third guide chute 56, fixing plates 53 symmetrical front and rear are fixedly disposed on the bottom wall of the sliding frame 23, support plates 55 are fixedly disposed on the end walls of the fixing plates 53 close to each other, a cutting board 54 hinged to the end wall of the fixing plate 53 close to each other is disposed above the support plates 55, be provided with in the carriage 23 left side end wall and run through the fourth guide chute 61 that pushes up the chamber 59, slidable be provided with in the fourth guide chute 61 with gear 51 meshed's rack 50, rack 50 with be provided with fourth spring 60 between the fourth guide chute 61 end wall, be provided with wire winding chamber 48 in the 15 left sides end wall of sliding chamber, rotatable reel 49 that is provided with in the wire winding chamber 48, reel 49 with be provided with the torsional spring around wire winding chamber 48 between the end wall, reel 49 surface around be equipped with terminal with 50 fixed connection's of rack 47 act as go-between.

Advantageously, a rotating cavity 34 is arranged in the sliding frame 23, a rotating frame 62 is rotatably arranged in the rotating cavity 34, the metal sheet 63 is wound on the outer surface of the rotating frame 62, a groove 28 is arranged in the end wall of the rotating cavity 34 close to one side of the first sliding guide groove 31, the fixed pulley 26 is rotatably arranged in the groove 28, the end of one side of the metal sheet 63, which is far away from the metal sheet 63, bypasses the fixed pulley 26 and extends into a space between the front fixed plate 53 and the rear fixed plate 53, a fifth slide guiding groove 37 is arranged in the end wall of the rotating cavity 34 far away from the first slide guiding groove 31, a brake rod 36 is slidably arranged in the fifth guide sliding groove 37, a second resetting device 35 which drives the brake rod 36 to reset after the brake rod 36 displaces is arranged between the brake rod 36 and the end wall of the fifth guide sliding groove 37, a lug 16 is fixedly arranged on the end wall of one side of the sliding cavity 15 far away from the battery chamber 12.

Advantageously, said door opening and closing device 98 comprises a revolving door 20 hinged on the bottom wall of said communication chamber 18, a fixed block 19 is fixedly arranged on the left end wall of the rotating door 20, a sixth guide sliding groove 44 with a downward opening is arranged in the top wall of the communication cavity 18, a locking rod 43 having a bottom end protruding into a locking groove 41 formed in the top wall of the swing door 20 is slidably provided in the sixth guide sliding groove 44, a fifth spring 45 is arranged between the locking lever 43 and the top wall of the sixth guide sliding groove 44, an inclined hole 42 is arranged in the locking lever 43 in a left-right through way, a seventh guide sliding groove 40 which penetrates through the sixth guide sliding groove 44 is arranged in the right side end wall of the sliding cavity 15 at the upper side, a push rod 39 is slidably arranged in the seventh guide chute 40, and a third resetting device 38 which drives the push rod 39 to reset after the push rod 39 displaces is arranged between the push rod 39 and the end wall of the seventh guide chute 40.

The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.

Sequence of mechanical actions of the whole device:

when the device works, the first motor 64 is started to drive the threaded rod 22 to rotate, so that the sliding frame 23 is driven to move, the electric rod 25 is driven to move, when the electric rod 25 abuts against the positive pole and the negative pole of the first 18650 lithium battery 11, the electromagnet 32 is electrified to adsorb the welding rod 24, the welding rod 24 slides into the first guide chute 31, the sliding frame 23 is driven by the first motor 64 to move rightwards continuously, when the electric rod 25 is separated from the first 18650 lithium battery 11, the welding rod 24 moves to two sides of the 18650 lithium battery 11, at the moment, the electric rod 25 is separated from the 18650 lithium battery 11, the electromagnet 32 is powered off, at the moment, the welding rod 24 moves under the action of the second spring 30, so that the metal sheet 63 is driven to abut against the two poles of the 18650 lithium battery 11, at this time, the welding rod 24 welds the metal sheets 63 on both poles of the 18650 lithium battery 11, the sliding frame 23 moves to the right continuously, when the sliding frame 23 abuts against the second 18650 lithium battery 11, the above operations are repeated, so that the metal sheets 63 are welded on both poles of the second 18650 lithium battery 11, the sliding frame 23 moves continuously, so that all the 18650 lithium batteries 11 are welded, when the brake rod 36 abuts against the bump 16, the brake rod 36 slides into the rotating cavity 34 to abut against the rotating frame 62, at this time, the rotating frame 62 is braked and stopped, at this time, the sliding frame 23 moves to the right continuously, at this time, the metal sheets 63 are straightened, at this time, the metal sheets 63 push the anvil 54 upwards and slide to the upper side of the anvil 54, at this time, the sliding frame 23 moves to the right continuously, and when the pull wire 47 is straightened, the rack 50 moves to the left, the cam 46 is driven to rotate, the cutting knife 58 is driven to cut off the metal sheet 63, the sliding frame 23 abuts against the push rod 39, the locking rod 43 moves upwards and out of the locking groove 41, the 18650 lithium battery 11 moves to the right under the action of the first spring 14 to push the rotating door 20, and welding is completed.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.