CN212011155U - Cell rubberizing ending device of square lithium battery sheet-making winder - Google Patents

Abstract

The utility model relates to an electricity core rubberizing final phase of square lithium cell film-making winder, including unwinding mechanism, the mechanism of being equipped with glue and rubberizing mechanism, unwinding mechanism unreels the adhesive tape to the mechanism of being equipped with glue, and the mechanism of being equipped with glue carries the adhesive tape to the rubberizing mechanism, and the rubberizing mechanism includes fixing base, first motor, speed reducer, swing arm, rubberizing wheel, second motor and synchronizing wheel drive assembly, and first motor, speed reducer are installed to fixing base one end; the second motor is installed to the other end, and the second motor passes through synchronizing wheel drive assembly drive rubberizing wheel rotation angle regulation, and the rubberizing wheel is equipped with a plurality of suction holes that are used for absorbing the adhesive tape, and the rubberizing wheel is installed in swing arm front end, and first motor passes through the swing of speed reducer drive swing arm, uses the cylinder to come the rubberizing for the tradition, the utility model discloses an electricity core rubberizing ending device rubberizing mechanism adopts the bi-motor to come the mutually supporting, realizes that accurate regulation rubberizing wheel position comes the rubberizing, and high accuracy location, rubberizing are effectual, and the adjustment is convenient, the rubberizing is stable, can not loose the package after the electricity core rubberizing.

Description

A battery cell glue finishing device for a square lithium battery production and winding machine

technical field

The utility model relates to the field of lithium ion battery manufacturing equipment, in particular to a battery cell gluing and finishing device of a square lithium battery production and winding machine.

Background technique

The production winding machine, the full name of the lithium ion battery production winding machine, is a mechanical device used to manufacture lithium ion batteries. Lithium ion batteries are composed of positive and negative plates, separators, tabs, etc. There are square and cylindrical, so the production winding machine can also be classified into a square production winding machine and a cylindrical production winding machine. The end of the adhesive tape prevents it from spreading out and ensures that the shape of the battery cell remains unchanged. The traditional battery cell glue sticking device uses a cylinder structure to stick the adhesive tape on the side of the battery cell. The core is usually oval and square, and the pressure of the cylinder on each position of the cell is inconsistent, so it is easy to generate air bubbles to cause the glue to wrinkle, or the position of the glue is misplaced and the accuracy is not good, which eventually leads to the end of the cell glue. Affect the quality of the battery.

Utility model content

Aiming at the defects in the prior art, the utility model provides a battery cell gluing and finishing device of a square lithium battery making and winding machine that can be flexibly applied and finished. The specific technical scheme is as follows:

A cell glue sticking and finishing device for a square lithium battery production and winding machine, comprising an unwinding mechanism, a glue preparation mechanism and a glue sticking mechanism. The glue sticking mechanism includes a fixed seat, a first motor, a reducer, a swing arm, a glue sticking wheel, a second motor and a synchronous wheel drive assembly. One end of the fixed seat is installed with a first motor and a reducer; the other end is installed with a second The motor, the second motor drives the glue wheel to rotate and adjust the angle through the synchronous wheel drive assembly, the glue wheel is provided with a plurality of suction holes for sucking the glue paper, the glue wheel is installed at the front end of the swing arm, and the first motor is driven by the reducer The swing arm swings, and the swing arm swings with the glue wheel to adjust the position to finally realize the battery cell glue.

As a preferred solution of the present utility model, the synchronous wheel drive assembly includes a first synchronous wheel, a synchronous belt and a second synchronous wheel, the second motor output shaft is installed with the first synchronous wheel, and the first synchronous wheel is connected by the synchronous belt. The second synchronizing wheel is installed on one end of the central shaft of the glue sticking wheel.

As a preferred solution of the present utility model, the glue preparation mechanism includes a fixed plate, a moving cylinder, a pressure glue cutting assembly and an upper pressure glue assembly, a fixed seat is installed above the fixed plate, a mobile cylinder is installed on the back of the fixed plate, and the left end of the front of the fixed plate is installed. Install the glue cutting assembly, install the upper glue assembly at the right end of the front of the fixed plate, move the cylinder to drive the glue cutting assembly to move left and right, the glue cutting assembly moves rightward with the tape and moves close to the upper glue assembly, and the upper glue assembly presses the tape head , the pressing and cutting components are moved to the left to reset and cut off the tape.

As a preferred solution of the present invention, the glue cutting assembly includes a glue moving plate, a glue lifting cylinder, a lifting plate, a first glue cylinder, a glue block, a glue frame, a cutting cylinder and a cutter, The piston rod of the mobile cylinder is connected to the back of the glue moving plate. The glue lifting cylinder is installed in front of the glue moving plate. The glue lifting cylinder drives the lifting plate to move up and down. A glue cylinder drives the glue block to move up and down, the glue block and the glue frame work together to press the glue paper, and the cutting cylinder drives the cutter to cut the glue paper.

As a preferred solution of the present invention, the upper pressure glue assembly includes a second glue cylinder and an upper pressure glue roller, the second glue cylinder drives the upper pressure glue roller to rise, and the upper pressure glue roller is pressed against the glue The rubber wheel presses the head of the tape.

As a preferred solution of the present utility model, the upper pressure glue assembly further includes a third motor, a screw rod, a nut, a connecting plate, an adjustment moving plate and a limit block, the third motor drives the screw rod to rotate, and the screw rod is threadedly connected The nut is connected to the adjusting moving plate through the connecting plate, the second glue cylinder is installed in front of the adjusting moving plate, and the limit block is installed on the side of the adjusting moving plate.

As a preferred solution of the present invention, a buffer mechanism is installed between the unwinding mechanism and the glue preparation mechanism. The buffer mechanism includes a buffer cylinder and a buffer roller. The buffer cylinder drives the buffer roller to lift the buffer paper up and down to prevent the glue preparation mechanism from pulling the buffer paper. Damage to the tape when gluing.

Beneficial effects: Compared with the traditional use of air cylinders to apply glue, the glue sticking mechanism of the battery cell sticking finishing device of the present invention adopts double motors to cooperate with each other, so as to realize the precise adjustment of the position of the sticking wheel for sticking glue, high-precision positioning and sticking effect. Well, it is easy to adjust, the glue is stable, and the battery will not be loose after the glue is applied.

Description of drawings

Fig. 1 is the perspective view of the present utility model;

Fig. 2 is the perspective view of the glue sticking mechanism of the present invention;

3 is a schematic structural diagram of the glue sticking mechanism of the present invention when sticking tape to the battery cell;

4 is a perspective view from the front when the unwinding mechanism and the glue preparation mechanism of the present invention are matched;

5 is a perspective view from the rear when the unwinding mechanism and the glue preparation mechanism of the present invention cooperate;

Fig. 6 is the enlarged view of A place in Fig. 4;

Fig. 7 is an enlarged view at B in Fig. 4;

FIG. 8 is a schematic structural diagram of the glue preparation mechanism of the present invention feeding glue paper to the glue wheel.

Detailed ways

Below in conjunction with the accompanying drawings, the specific embodiments of the present utility model will be further described:

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated position or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation on the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific conditions.

As shown in Figures 1 to 3, a battery cell glue finishing device of a square lithium battery production and winding machine includes an unwinding mechanism 1, a glue preparation mechanism 2 and a glue sticking mechanism 3, and the unwinding mechanism 1 unwinds the adhesive paper. To the glue preparation mechanism 2, the glue preparation mechanism 2 conveys the adhesive tape to the glue sticking mechanism 3. The glue sticking mechanism 3 includes a fixed seat 31, a first motor 32, a reducer 33, a swing arm 34, a glue sticking wheel 35, and a second motor 36. and the synchronous wheel drive assembly 37, the first motor 32 and the reducer 33 are installed on one end of the fixed seat 31; The transmission assembly includes a first synchronous wheel, a synchronous belt and a second synchronous wheel. The second motor output shaft is equipped with a first synchronous wheel. The first synchronous wheel is connected to the second synchronous wheel through the synchronous belt. The second synchronous wheel is installed on the glue wheel. At one end of the central axis, the glue sticking wheel 35 is provided with a plurality of suction holes for absorbing adhesive paper. The glue sticking wheel 35 is installed at the front end of the swing arm 34, the middle of the fixed seat 31 is installed with a swing arm seat 38, and the swing arm seat 38 is installed with a swing arm seat 38. The rear end of the swing arm 34 is installed on the swing arm seat 38 through the rotation shaft, the first motor 32 drives the deceleration 33 to start, the output shaft of the decelerator is connected to the rotating shaft in the swing arm seat 38 through the coupling 310, and the first motor 32 is decelerated by The machine 33 drives the swing arm 34 to swing, and the swing arm 34 swings and adjusts the position with the glue sticking wheel 35 to finally realize the glue sticking of the cell.

The working principle of the glue sticking mechanism 3: in the initial state, the swing arm 34 is close to the glue preparation mechanism 2, and the suction hole of the glue sticking wheel 35 faces downward. Suck the adhesive tape, the second motor 36 drives the adhesive roller 35 to rotate and adjust the angle through the synchronous wheel drive assembly 37, the suction hole of the adhesive roller 35 faces upwards, and the sticky side of the adhesive tape faces outward. At the same time, the first motor 32 The swing arm 34 is driven by the reducer 33 to swing to the top, and the glue sticking wheel 35 is close to the needle winding mechanism C of the production winding machine. The tape on the wheel is attached to the battery.

As shown in FIGS. 4 and 5 , the glue preparation mechanism 2 includes a fixing plate 21 , a moving cylinder 22 , a glue cutting assembly 23 and an upper glue pressing assembly 24 . The fixing base 31 is installed above the fixing plate 21 , and the moving cylinder 22 is installed on the back of the fixing plate 21 . , the front left end of the fixed plate 21 is installed with the glue cutting assembly 23, the front right end of the fixed plate 21 is installed with the upper glue assembly 24, the moving cylinder 22 drives the glue cutting assembly 23 to move left and right, and the glue cutting assembly 23 moves to the right with the tape close to the upper pressure The glue assembly 24, the upper pressure glue assembly 24 presses the head of the tape, the glue cutting assembly 23 moves to the left to reset and cut the tape, and the glue sticking wheel 35 completely absorbs the tape.

As shown in FIG. 6 , the pressing and cutting assembly 23 includes a pressing moving plate 231 , a pressing and lifting cylinder 232 , a lifting plate 233 , a first pressing cylinder 234 , a pressing block 235 , a pressing frame 236 , a cutting cylinder 237 and a cutting Knife 238, the piston rod of the moving cylinder is connected to the back of the glue moving plate 231, the moving cylinder 22 drives the glue moving plate 231 to move, the glue moving plate 231 is installed in front of the glue lifting cylinder 232, and the glue lifting cylinder 231 drives the lifting plate 233 to move up and down , the front of the lifting plate 233 is installed with a first glue cylinder 234, a glue frame 235, and a cutting cylinder 237. The first glue cylinder 234 drives the glue block 235 to move up and down, and the glue block 235 and the glue frame 236 work together to press the glue Paper, the cutting cylinder 237 drives the cutter 238 to cut the adhesive paper, and a slider slide rail is installed between the lifting plate 233 and the rubber pressing lifting cylinder 232 for guidance.

As shown in FIGS. 5 and 7 , the upper gluing assembly 24 includes a second gluing cylinder 241 , an upper gluing roller 242 , a third motor 243 , a screw rod 244 , a nut 245 , a connecting plate 246 , an adjusting moving plate 247 and a limiter Position block 248, the second glue cylinder 241 drives the upper glue roller 242 to rise, the upper glue roller 242 presses the head of the glue tape against the glue wheel, the third motor 243 drives the screw 244 to rotate, and the screw 244 Screw the nut 245, the nut 245 is connected to the adjusting moving plate 247 through the connecting plate 246, the second gluing cylinder 241 is installed in front of the adjusting moving plate 247, the limit block 248 is installed on the side of the adjusting moving plate 247, and the adjusting moving plate 247 and the fixed plate are The slider slide rail is installed between 21 for guidance, and the third motor 243 drives the adjustment moving plate 247 to move, so as to adjust the initial distance between the adjustment moving plate 247 and the glue moving plate 231. Due to the existence of the limit block 248, the glue The moving plate 231 stops every time it moves to the right and approaches the position of the limit block 248 , and this structure can be used to prepare adhesive tapes of different lengths.

As shown in Figures 1 and 4, a buffer mechanism 4 is installed between the unwinding mechanism 1 and the glue preparation mechanism 2. The buffer mechanism includes a buffer cylinder 41 and a buffer roller 42. The adhesive paper passes through the buffer roller 42, and the buffer cylinder 41 drives The buffer roller 42 lifts the buffer tape up and down to avoid damage to the tape when the glue preparation mechanism pulls the glue.

The working principle of the glue preparation mechanism 2: the unwinding mechanism 1 unwinds the tape to the glue preparation mechanism 2. When the glue preparation starts, the first glue cylinder 234 drives the glue block 235 to rise and press the glue paper and leave a short section of about 5mm. The adhesive tape protrudes from the upper part, and the moving cylinder 22 drives the glue cutting assembly 23 to move to the right to approach the upper glue assembly 24. When the glue moving plate 231 contacts the limit block 248, the glue cutting assembly 23 stops moving. At this time, the glue paper At the same time, it is pulled to the upper gluer assembly 24, the second gluer cylinder 241 drives the upper gluer roller 242 to rise, the upper gluer roller 242 presses the head of the adhesive tape against the gluer, and then the first gluer cylinder 242 rises. 234 drives the pressing block 235 down to release the tape, and the moving cylinder 22 drives the pressing and cutting assembly 23 to move to the left to reset as a whole. Drive the lift plate 233 to rise, the lift plate 233 carries the first glue cylinder 234, the glue frame 235, and the cutting cylinder 237 to rise as a whole and approach the glue wheel 35. The glue wheel 35 sucks the entire piece of tape, and the cutting cylinder 237 drives the cutting Knife 238 cuts off the adhesive tape (the state of the device is shown in Figure 8 at this time), and then performs the subsequent battery cell gluing process. The design of the glue preparation mechanism 2 is reasonable, and the single piece of adhesive tape is quickly and stably transported to the gluing wheel to ensure the follow-up. Glue work.

The above content is a further detailed description of the present invention in conjunction with the specific preferred embodiments, and it cannot be considered that the specific implementation of the present invention is limited to these descriptions. On the premise of the concept of the utility model, some simple deductions or substitutions can also be made, which should be regarded as belonging to the protection scope of the present utility model.

Claims (7)

1. The utility model provides a square lithium cell film-making winder's electric core rubberizing final phase of a project device, includes unwinding mechanism, is equipped with gluey mechanism and rubberizing mechanism, and unwinding mechanism unreels the adhesive tape to being equipped with gluey mechanism, and gluey mechanism transport adhesive tape is to rubberizing mechanism, its characterized in that for being equipped with: the adhesive tape sticking mechanism comprises a fixed seat, a first motor, a speed reducer, a swing arm, an adhesive tape sticking wheel, a second motor and a synchronous wheel transmission assembly, wherein the first motor and the speed reducer are installed at one end of the fixed seat; the other end is provided with a second motor, the second motor drives the rubberizing wheel to rotate for adjusting the angle through the synchronizing wheel transmission assembly, the rubberizing wheel is provided with a plurality of suction holes for sucking gummed paper, the rubberizing wheel is installed at the front end of the swing arm, the first motor drives the swing arm to swing through the speed reducer, and the swing arm drives the rubberizing wheel to swing for adjusting the position to finally realize electric core rubberizing.

2. The cell rubberizing ending device of the square lithium battery sheet-making winding machine according to claim 1, characterized in that: the synchronizing wheel transmission assembly comprises a first synchronizing wheel, a synchronizing belt and a second synchronizing wheel, the first synchronizing wheel is installed on the output shaft of the second motor, the first synchronizing wheel is connected with the second synchronizing wheel through synchronous belt transmission, and the second synchronizing wheel is installed at one end of the central shaft of the rubberizing wheel.

3. The cell rubberizing ending device of the square lithium battery sheet-making winding machine according to claim 1, characterized in that: it cuts off subassembly and last moulding subassembly to be equipped with gluey mechanism including fixed plate, removal cylinder, moulding, and fixed plate top installation fixing base, fixed plate back installation removal cylinder, and fixed plate the place ahead left end installation moulding cuts off the subassembly, and moulding subassembly is installed to fixed plate the place ahead right-hand member, and removal cylinder drive moulding cuts off the subassembly and removes, and moulding cuts off the subassembly and takes the sticky tape right side to move and is close to last moulding subassembly, goes up moulding subassembly and compresses tightly the sticky tape head, and moulding cuts off subassembly and moves to reset and cut off the sticky tape left side.

4. The cell rubberizing ending device of the square lithium battery sheet-making winding machine according to claim 3, characterized in that: the moulding cuts off subassembly includes moulding movable plate, moulding lift cylinder, lifter plate, first moulding cylinder, moulding piece, moulding frame, cuts off cylinder and cutter, removes the cylinder piston rod and connects the moulding movable plate back, moulding movable plate the place ahead installation moulding lift cylinder, moulding lift cylinder drive lifter plate oscilaltion, the first moulding cylinder of lifter plate the place ahead installation, moulding frame, cut off the cylinder, first moulding cylinder drive moulding piece oscilaltion, moulding piece and moulding frame combined action compress tightly the adhesive tape, cut off cylinder drive cutter and cut off the adhesive tape.

5. The cell rubberizing ending device of the square lithium battery sheet-making winding machine according to claim 3, characterized in that: the upper glue pressing assembly comprises a second glue pressing cylinder and an upper glue pressing roller wheel, the second glue pressing cylinder drives the upper glue pressing roller wheel to ascend, and the upper glue pressing roller wheel pushes against the rubberizing roller to press the head of the gummed paper.

6. The cell rubberizing ending device of the square lithium battery sheet-making winding machine according to claim 3, characterized in that: go up the moulding subassembly and still include third motor, lead screw, nut, connecting plate, regulation movable plate and stopper, the third motor drive lead screw rotates, lead screw threaded connection nut, and the nut passes through the connecting plate and connects the regulation movable plate, adjusts movable plate the place ahead and installs the second moulding cylinder, adjusts movable plate side installation stopper.

7. The cell rubberizing ending device of the square lithium battery sheet-making winding machine according to claim 1, characterized in that: install buffer memory mechanism between unwinding mechanism and the mechanism of being equipped with glue, buffer memory mechanism includes buffer memory cylinder and buffer memory running roller, and buffer memory cylinder drive buffer memory running roller oscilaltion buffer memory adhesive tape avoids being equipped with the mechanism of gluing and damages the adhesive tape when drawing glue.

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