CN209709115U - Pole piece glue device - Google Patents

Abstract

The utility model provides a kind of pole piece rubberizing device comprising mounting rack, power mechanism, feeding mechanism, the first live-roller, pressure roller and belt cutting mechanism.Power mechanism is connected with mounting rack and mounting rack can be driven reciprocating.Feeding mechanism, the first live-roller, pressure roller and belt cutting mechanism are set to mounting rack.For adhesive tape coiled strip to be arranged and adhesive tape coiled strip can be driven reciprocating, the first live-roller and pressure roller set gradually along the tape transport direction of adhesive tape and pass through for adhesive tape feeding mechanism.Belt cutting mechanism is for cutting off adhesive tape.

Description

Pole piece glue device

technical field

The utility model relates to the field of battery production, in particular to a pole piece glue sticking device.

Background technique

In the production process of the pole piece of the lithium ion battery, the pole piece is prone to breakage due to wrinkles, scratches, cracks and other reasons. In the prior art, it is usually necessary to manually pull the pole piece to the tape splicing platform and manually splicing the tape, which consumes a lot of time and results in low production efficiency.

Utility model content

In view of the problems existing in the background art, the purpose of the present invention is to provide a pole piece gluing device, which can automatically bond the pole pieces and improve the production efficiency.

In order to achieve the above purpose, the utility model provides a pole piece glue sticking device, which includes a mounting frame, a power mechanism, a feeding mechanism, a first transmission roller, a pressing roller and a belt cutting mechanism. The power mechanism is connected with the installation frame and can drive the installation frame to reciprocate. The feeding mechanism, the first transmission roller, the pressing roller and the belt cutting mechanism are arranged on the installation frame. The feeding mechanism is used to set the tape roll material and can drive the tape roll material to reciprocate. The first transmission roller and the pressing roller are arranged in sequence along the tape running direction and allow the tape to pass through. The tape cutting mechanism is used to cut the tape.

The feeding mechanism includes a first driver and a fixing frame, the first driver is fixed on the installation frame, and the fixing frame is connected to the first driver and used for setting the tape roll.

The fixing frame includes a connection part, an extension part and a rotating shaft, the connection part is connected to the first driver, and the extension parts are two and respectively extend from both ends of the connection part. The rotating shaft is located between the two extending parts, and two ends of the rotating shaft are respectively connected to the two extending parts in rotation. The spindle is used to set the tape roll.

Each extension part is provided with a through hole, and the rotating shaft is inserted into the through hole. Preferably, the through holes are stepped holes.

The direction of movement of the mounting frame is parallel to the direction of movement of the tape roll.

The belt cutting mechanism includes a third driver and a cutter, the third driver is fixed on the mounting frame, and the cutter is connected with the third driver.

The blade of the cutter is serrated. The cutter is inclined with respect to the vertical direction.

The pole piece gluing device further includes a second drive roller, the second drive roller is arranged on the mounting frame, and the second drive roller is located upstream of the first drive roller. The end of the second transmission roller away from the mounting frame is a free end.

The beneficial effects of the utility model are as follows: the pole piece gluing device of the present application can ensure the stability of tape feeding, realize automatic bonding of pole pieces, effectively save labor, reduce costs and improve production efficiency.

Description of drawings

FIG. 1 is a schematic diagram of a pole piece gluing device according to the present invention.

FIG. 2 is another schematic diagram of the pole piece gluing device according to the present invention.

FIG. 3 to FIG. 6 are schematic diagrams of the pole piece gluing device according to the present invention during the gluing process.

FIG. 7 is another schematic diagram of the pole piece gluing device according to the present invention during the gluing process.

FIG. 8 is a schematic diagram of the feeding mechanism of the pole piece gluing device according to the present invention.

FIG. 9 is a cross-sectional view of the fixing frame of the feeding mechanism of the pole piece gluing device according to the present invention.

Among them, the reference numerals are described as follows:

1 Mounting bracket

2 Powertrain

21 Second drive

22 Transmission components

3 Feeding mechanism

31 First drive

32 Holder

321 Connector

322 Extensions

323 Spindles

324 through hole

4 The first drive roller

5 Press rollers

6 Belt cutting mechanism

61 Third drive

62 Cutter

7 Second drive roller

8 Tape roll stock

81 Tape

9 pole piece

10 Mounts

X landscape

Y vertical

Z vertical direction

Detailed ways

In order to make the purpose, technical solutions and advantages of the present application more clearly understood, the present application will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.

In the description of this application, unless otherwise expressly specified and limited, the terms "first", "second" and "third" are only used for the purpose of description, and cannot be construed as indicating or implying relative importance; the terms "Plurality" means more than two (including two); unless otherwise specified or stated, the term "connection" should be understood in a broad sense, for example, "connection" may be a fixed connection, a detachable connection, or an integrated Ground connection, or electrical connection, or signal connection; "connection" can be direct connection or indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

In the description of this specification, it should be understood that the directional words such as "up", "down", "left" and "right" described in the embodiments of the present application are described from the angles shown in the drawings, not It should be understood as a limitation on the embodiments of the present application. The present application will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings.

The pole piece 9 is the core component of the lithium ion battery to realize the charging and discharging function. In the production process of the pole piece of the lithium ion battery, the pole piece is prone to breakage due to wrinkles, scratches, cracks and other reasons. The pole piece gluing device of the present application can be used to connect the disconnected pole pieces 9 .

1 and 2 , the pole piece gluing device of the present application includes a mounting frame 1 , a power mechanism 2 , a feeding mechanism 3 , a first transmission roller 4 , a pressing roller 5 and a tape cutting mechanism 6 .

The mounting frame 1 can be plate-shaped or other shapes. The feeding mechanism 3, the first driving roller 4, the pressing roller 5 and the tape cutting mechanism 6 are arranged on the mounting frame 1, that is to say, the feeding mechanism 3, the first driving roller 4, the pressing roller 5 and the tape cutting mechanism 6 are all installed with Rack 1 moves and moves.

The power mechanism 2 is connected with the mounting frame 1 and can drive the mounting frame 1 to reciprocate. Preferably, the mounting frame 1 can move along the lateral direction X under the driving of the power mechanism 2 . The lateral direction X may be a direction parallel to the horizontal plane.

The feeding mechanism 3 is used to set the tape roll 8 and can drive the tape roll 8 to reciprocate. The adhesive tape roll 8 may include an adhesive tape 81 and a core on which the adhesive tape 81 is wound. Preferably, the tape roll 8 can be moved in the transverse direction X under the driving of the feeding mechanism 3 .

The first transmission roller 4 and the pressing roller 5 are arranged in sequence along the running direction of the tape 81 . The adhesive tape 81 can pass through the first transmission roller 4 and the pressing roller 5 in sequence.

The tape cutting mechanism 6 is used to cut the tape 81 . Specifically, along the running direction of the tape 81 , the tape cutting mechanism 6 is used to cut the tape 81 located downstream of the first transmission roller 4 and upstream of the pressing roller 5 .

In addition, in order to facilitate the running of the tape 81, the pole piece gluing device of the present application may further include a plurality of second drive rollers 7, the second drive rollers 7 are arranged on the mounting frame 1, and the second drive rollers 7 are located on the first drive upstream of roll 4.

The pole piece gluing device of the present application can be installed on the upper side of the pole piece splicing platform. The pole piece connection platform is the platform for placing the pole piece 9 .

The working process of the pole piece gluing device of the present application will be described in detail below with reference to FIGS. 2 to 7 .

(i) When the pole piece 9 is broken, pull the broken pole piece 9 to the belt connection platform. The pole pieces 9 are strips substantially parallel to the transverse direction X.

(ii) Referring to FIG. 2, install the tape roll 8 to the feeding mechanism 3, then pull the free end of the tape 81 through the second drive roller 7 and the first drive roller 4 in turn, and bond the free end of the tape 81 to the Belt cutting mechanism 6.

(iii) The power mechanism 2 drives the mounting frame 1 to move in the lateral direction X (rightward in FIG. 2 ), so that the first transmission roller 4 is close to the pole piece 9 . 3 , when the end of the pole piece 9 moves between the first transmission roller 4 and the pressing roller 5, the belt cutting mechanism 6 moves toward the direction close to the pole piece 9, so that the Tape 81 is attached to pole piece 9 .

(iv) the feeding mechanism 3 drives the tape roll 8 to move a distance away from the second drive roller 7 (for example, referring to FIG. 2 , the feeding mechanism 3 can drive the tape roll 8 to move to the left); due to the free end of the tape 81 Fixed so that when the tape roll 8 is moved, the tape 81 is pulled away from the tape roll 8 and stretched.

(v) Referring to FIG. 4 , the tape cutting mechanism 6 is moved away from the pole piece 9 to separate from the tape 81 . Then, the power mechanism 2 drives the mounting frame 1 to move along the lateral direction X, and at the same time, the feeding mechanism 3 drives the tape roll 8 to move towards the direction close to the second transmission roller 7; that is, referring to FIG. 2, the mounting frame 1 moves along the lateral direction X direction Moving to the right, the tape roll 8 moves to the right relative to the mounting frame 1 .

(vi) Referring to FIG. 5 and FIG. 7 , during the movement of the mounting frame 1 , the pressing roller 5 presses the tape 81 against the surface of the pole pieces 9 so as to connect the pole pieces 9 together.

(vii) When the gluing is completed, the power mechanism 2 and the feeding mechanism 3 stop working, and then the tape cutting mechanism 6 moves toward the direction close to the tape 81 and cuts the tape 81 . Since the adhesive tape 81 is viscous, even if the adhesive tape 81 is cut into two pieces, the two pieces of the adhesive tape 81 can still be adhered to the tape cutting mechanism 6 . Finally, the power mechanism 2 can first drive the mounting frame 1 a distance to the right to separate the tape 81 adhered to the pole piece 9 from the tape cutting mechanism 6, and then the power mechanism 2 drives the mounting frame 1 to move leftward to the initial position.

When it needs to be glued again, it can be cycled according to steps (i), (iii)-(vii). When the tape 81 is exhausted, the tape roll 8 is replaced with a new tape according to step (ii).

The feeding mechanism 3 of the present application pulls the tape 81 away from the tape roll 8 in advance in step (iv), and then conveys the tape 81 in step (v). That is to say, in the process of sticking the pole piece 9 (ie, step (v) and step (vi)), the tape 81 does not need to be pulled away from the tape roll 8 , so as to realize the smooth feeding of the tape 81 .

To sum up, the pole piece gluing device of the present application can ensure the stability of the feeding of the tape 81, realize automatic bonding of pole pieces, effectively save labor, reduce costs, and improve production efficiency.

1 , 2 and 8 , the feeding mechanism 3 includes a first driver 31 and a fixing frame 32 , the first driver 31 is fixed to the mounting frame 1 , and the fixing frame 32 is connected to the first driver 31 and is used for setting the tape roll 8 . The first driver 31 can be an air cylinder, and the air cylinder drives the tape roll 8 to move in the lateral direction X through the fixing frame 32 .

The fixing frame 32 includes a connecting portion 321 , an extending portion 322 and a rotating shaft 323 . The connecting portion 321 is connected to the first driver 31 , and there are two extending portions 322 extending from two ends of the connecting portion 321 respectively. Specifically, the extension part 322 may extend from the end of the connection part 321 along the longitudinal direction Y along the transverse direction X, and the connection part 321 and the extension part 322 form a U-shaped structure.

The rotating shaft 323 is located between the two extending portions 322 , and two ends of the rotating shaft 323 are rotatably connected to the two extending portions 322 respectively. The rotating shaft 323 is used for setting the tape roll 8 . The core of the tape roll 8 can be sleeved and detachably connected to the rotating shaft 323 . In step (iv), the core can release the tape 81 by turning.

In addition, the connecting part 321 and the extension part 322 form a U-shaped structure, and the U-shaped structure has better elasticity, so when the tape roll 8 is exhausted, the rotating shaft 323 and the tape roll can be removed by pulling the extension part 322 8, so as to facilitate the replacement of the tape roll 8.

Each extension portion 322 is provided with a through hole 324 , and the rotating shaft 323 is inserted into the through hole 324 . By arranging the through hole 324 , the disassembly and assembly of the rotating shaft 323 is facilitated.

Referring to FIG. 9 , the through holes 324 are stepped holes. The stepped holes can limit the rotation shaft 323 from the longitudinal direction Y, and prevent the rotation shaft 323 from being offset in the longitudinal direction Y.

The movement direction of the mounting frame 1 is parallel to the movement direction of the tape roll 8 . In step (v), the same movement direction can make the tape 81 run more smoothly, reduce the fluctuation of the tape 81 and improve the bonding quality of the pole piece 9 .

The power mechanism 2 may include a second driver 21 and a transmission assembly 22 , and the transmission assembly 22 is connected to the second driver 21 and the mounting frame 1 . The second driver 21 can be a servo motor, and the servo motor is used as a power source to achieve precise positioning and stable movement. The transmission assembly 22 may include a lead screw extending along the transverse direction X and a slider disposed on the lead screw, the mounting frame 1 may be fixed to the sliding block, and the second driver 21 drives the mounting frame 1 to move along the lateral direction X through the lead screw and the slider. The transmission assembly 22 also includes a base, and the lead screw is rotatably connected to the base. The base can be fixed directly on the rack.

The tape cutting mechanism 6 includes a third driver 61 and a cutter 62 , the third driver 61 is fixed to the mounting frame 1 , and the cutter 62 is connected with the third driver 61 . The third driver 61 may be an air cylinder. The cutter 62 can move linearly under the driving of the third driver 61 .

The cutting edge of the cutter 62 is serrated. The serrated blade makes it easier to cut the tape 81 . In addition, the serrated blade is easier to bond with the tape 81, reducing the risk of the tape 81 falling off.

The cutter 62 is inclined with respect to the vertical direction Z. As shown in FIG. Preferably, the moving direction of the cutter 62 is inclined with respect to both the vertical direction Z and the lateral direction X. 5, after step (vi) is completed, the adhesive tape 81 between the pressing roller 5 and the first transmission roller 4 is inclined relative to the horizontal plane, and the inclined cutter 62 can cut the adhesive tape more easily.

The end of the second transmission roller 7 away from the mounting frame 1 is a free end. This one-sided fixing method is convenient for manually passing the adhesive tape 81, and maintenance is convenient.

The pole piece gluing device of the present application further includes fixing bases 10 , and the fixing bases 10 are two fixed to the mounting frame 1 . Both ends of the pressing roller 5 are rotatably connected to one fixed seat 10 , and both ends of the first transmission roller 4 are rotatably connected to the other fixed seat 10 . The way the ends are fixed increases stability and precision.

Claims (10)

1. A pole piece gluing device, characterized in that it comprises a mounting frame (1), a power mechanism (2), a feeding mechanism (3), a first drive roller (4), a pressing roller (5) and a belt cutting mechanism (6); The power mechanism (2) is connected with the mounting frame (1) and can drive the mounting frame (1) to reciprocate; The feeding mechanism (3), the first transmission roller (4), the pressing roller (5) and the belt cutting mechanism (6) are arranged on the mounting frame (1); The feeding mechanism (3) is used to set the tape roll (8) and can drive the tape roll (8) to reciprocate. The first drive roller (4) and the pressing roller (5) are in sequence along the tape running direction of the tape (81). The tape (81) is arranged and passed through, and the tape cutting mechanism (6) is used for cutting the tape (81). 2. The pole piece gluing device according to claim 1, wherein the feeding mechanism (3) comprises a first driver (31) and a fixing frame (32), and the first driver (31) is fixed on the installation frame (1) ), the fixing frame (32) is connected to the first driver (31) and used for setting the tape roll (8). 3. pole piece glue device according to claim 2, is characterized in that, The fixing frame (32) includes a connecting part (321), an extending part (322) and a rotating shaft (323). (321) extending from both ends; The rotating shaft (323) is located between the two extending parts (322), and both ends of the rotating shaft (323) are respectively rotatably connected to the two extending parts (322); The rotating shaft (323) is used to set the tape roll material (8). 4 . The pole piece glue sticking device according to claim 3 , wherein each extending portion ( 322 ) is provided with a through hole ( 324 ), and the rotating shaft ( 323 ) is inserted into the through hole ( 324 ). 5 . 5 . The pole piece gluing device according to claim 4 , wherein the through hole ( 324 ) is a stepped hole. 6 . 6 . The pole piece gluing device according to claim 1 , wherein the movement direction of the mounting frame ( 1 ) is parallel to the movement direction of the tape roll material ( 8 ). 7 . 7. The pole piece gluing device according to claim 1, wherein the belt cutting mechanism (6) comprises a third driver (61) and a cutter (62), and the third driver (61) is fixed on the mounting frame (61). 1), the cutter (62) is connected with the third driver (61). 8 . The pole piece gluing device according to claim 7 , wherein the cutting edge of the cutter ( 62 ) is serrated. 9 . 9 . The pole piece gluing device according to claim 7 , wherein the cutter ( 62 ) is inclined relative to the vertical direction (Z). 10 . 10. pole piece glue device according to claim 1, is characterized in that, The pole piece gluing device further comprises a second drive roller (7), the second drive roller (7) is arranged on the mounting frame (1), and the second drive roller (7) is located upstream of the first drive roller (4); The end of the second transmission roller (7) away from the mounting frame (1) is a free end.