CN217618011U - A strip cutting device - Google Patents

Abstract

The application provides a device is cut in material area, device is cut in material area includes the frame and pursues and cut the module, pursue and cut the module and install in the frame, pursue and cut the module and can follow the direction of delivery in material area and remove, pursue and cut the module and include cutter unit and cut the platform, the cutter unit includes blade holder, cutter and clamp plate are installed on the blade holder, cut the platform and seted up first groove of dodging and first hole of inhaling, first groove of dodging is corresponding with the cutter, first hole of inhaling is arranged in the first both sides of dodging the direction of delivery in groove edge material area. When the material tape is cut, the cutting module moves along with the material tape on the rack, when the speed of the cutting module is basically consistent with the conveying speed of the material tape, the first suction holes adsorb the material tape, the pressing plate further compresses and fixes the material tape, the material tape and the cutting module are relatively static, and the material tape cutting device can improve the cutting quality when the material tape is cut in a cutting mode.

Description

A strip cutting device

technical field

The present application relates to the field of material tape slitting, in particular to a material tape slitting device.

Background technique

In the lamination process of the battery cell, the material tape needs to be cut into pole pieces, and then the pole pieces are stacked to form the battery core. At present, there is a device that cuts the material belt by chasing cutting. The material belt continues to move forward, and the cutter moves with the material belt. When the speed of the cutter is synchronized with the speed of the material belt, the cutter and the material belt are in a relatively static state. , at this time the cutter performs the action to cut off the tape. Since the conveying and slitting of the material belt can be performed simultaneously in the chase-cutting method, the manufacturing efficiency of the battery cell can be improved.

However, due to the poor synchronization of the drive device and the existence of resistance interference, it is difficult to achieve complete synchronization between the speed of the cutter and the speed of the material belt during the actual chase, resulting in poor cutting quality of the material belt and affecting the product quality of the cell. .

Utility model content

The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a material tape slitting device, which can improve the cutting quality when cutting the material tape using the chase cutting method.

The material tape slitting device provided according to the embodiment of the present application includes a frame and a chase-cutting module, the chase-cutting module is installed on the frame, and the chase-cutting module can move along the conveying direction of the material belt, and the chase-cutting module The chase-cutting module includes a cutter unit and a cutting table, the cutter unit includes a knife seat, a cutting knife and a pressing plate, the cutting knife and the pressing plate are installed on the knife seat, and the cutting table is provided with a first avoidance A groove and a first suction hole, the first avoidance groove corresponds to the cutter, and the first suction hole is arranged on both sides of the first avoidance groove along the conveying direction of the material belt.

The material tape slitting device provided according to the embodiment of the present application has at least the following technical effects: during chase cutting, the chase cutting module follows the movement of the material tape on the frame, and when the speed of the chase cutting module and the conveying speed of the material tape are basically the same At the time, the first suction hole absorbs the material belt, and the pressing plate further presses and fixes the material belt, so that the material belt and the chase-cutting module are relatively stationary, and the material-belt slitting device can improve the cutting quality when cutting the material belt by chase-cutting.

According to some embodiments of the present application, the pressing plate is provided with a second suction hole and a second avoidance groove, the second avoidance groove corresponds to the cutting knife, and the second suction hole is arranged in the second avoidance groove The grooves are along both sides of the conveying direction of the material belt.

According to some embodiments of the present application, the cutter unit includes a first guide post and a first elastic member, the cutter seat is provided with a first guide hole, and one end of the first guide post is mounted on the pressing plate, The other end of the first guide post passes through the first guide hole, one end of the first elastic member abuts the knife seat, and the other end of the first elastic member abuts the pressing plate.

According to some embodiments of the present application, the first guide post includes a limit portion, and a limit protrusion corresponding to the limit portion is formed on a side wall of the first guide hole.

According to some embodiments of the present application, the knife seat includes a first clamping block and a second clamping block, the cutter is installed between the first clamping block and the second clamping block, the first clamping block The block and the second clamping block clamp and fix the cutter.

According to some embodiments of the present application, the chase-cutting module includes a second guide post and a second elastic member, a second guide hole is formed on the knife base, and one end of the second guide post is mounted on the cutting table , the other end of the second guide post passes through the second guide hole, one end of the second elastic member abuts the knife seat, and the other end of the second elastic member abuts the cutting tower.

According to some embodiments of the present application, the material tape slitting device includes a first driver and a connecting member, the first driver is mounted on the frame, and the connecting member is mounted on the output end of the first driver , the knife seat is provided with a roller, the roller is located on the opposite side of the knife seat and the cutter, and the roller is used for contacting the connecting piece.

According to some embodiments of the present application, two rows of the rollers are arranged at intervals on the knife seat, the connecting member includes a clamping bar extending along the conveying direction of the material belt, and the two rows of the rollers are respectively engaged with the rollers. The two sides of the strips touch.

According to some embodiments of the present application, the material tape slitting device includes a second drive, the second drive adopts a linear motor, the linear motor is installed on the frame, and the chase-cutting module is installed on the on the linear motor.

According to some embodiments of the present application, the material strip slitting device includes a waste box, the cutting table is formed with a chip removal channel, one end of the chip removal channel is communicated with the first escape groove, and the chip removal channel The other end communicates with the waste bin.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily understood from the following description of embodiments in conjunction with the accompanying drawings, wherein:

1 is a schematic axonometric view of a material strip slitting device according to an embodiment of the present application;

Fig. 2 is the cross-sectional schematic diagram of the chase-cutting module of the material strip slitting device of Fig. 1;

Fig. 3 is a partial enlarged view of area A in Fig. 1;

Fig. 4 is a partial enlarged view of region B in Fig. 1;

FIG. 5 is a partial enlarged view of area C in FIG. 2 .

Reference number:

Rack 100,

Cutting table 210 , first avoidance groove 211 , first suction hole 212 , knife seat 220 , first clamping block 221 , second clamping block 222 , first plate 223 , second plate 224 , third plate 225 , cutter 230 , pressure plate 240, second avoidance groove 241, second suction hole 242, first guide post 250, first elastic member 260, second guide post 270, second elastic member 280, roller 290,

The first driver 310, the connector 320, the clipping bar 321, the second driver 330,

Waste box 410, discharge pipe 420.

Detailed ways

The following describes in detail the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, but should not be construed as a limitation on the present application.

In the description of this application, it should be understood that the orientation or positional relationship indicated in relation to orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the accompanying drawings, only For the convenience of describing the present application and simplifying the description, it is not indicated or implied that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present application.

In the description of this application, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc., are understood as not including this number, and above, below, within, etc., are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.

In the description of this application, unless otherwise clearly defined, terms such as setting, installation, and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in this application in combination with the specific content of the technical solution.

The material tape slitting device provided in the embodiment of the present application includes a frame 100 and a chase-cutting module, the chase-cutting module is installed on the frame 100, the chase-cutting module can move along the conveying direction of the material belt, and the chase-cutting module includes a cutter unit and the cutting table 210, the cutting unit includes a knife seat 220, a cutting knife 230 and a pressing plate 240, the cutting knife 230 and the pressing plate 240 are installed on the knife seat 220, and the cutting table 210 is provided with a first escape groove 211 and a first suction hole 212, The first avoidance groove 211 corresponds to the cutter 230 , and the first suction holes 212 are arranged on both sides of the first avoidance groove 211 along the conveying direction of the material belt.

During chase cutting, the chase cutting module follows the movement of the material belt on the frame 100. When the speed of the chase cutting module and the conveying speed of the material belt are basically the same, the first suction hole 212 absorbs the material belt, and the cutter unit moves toward the cutting table 210. During the movement, firstly, the pressing plate 240 contacts the material tape, the pressing plate 240 presses the material tape, and then the cutter unit continues to move to the cutting table 210, and the cutter 230 contacts the material tape to cut the material tape. After the catch-cut is completed, the catch-cut module and the cutter unit are reset respectively.

According to the material tape slitting device provided in the embodiment of the present application, the first suction hole 212 absorbs the material tape, and the pressing plate 240 further presses and fixes the material tape, so that the material tape and the chase-cutting module are relatively stationary. The cutting quality when cutting the tape by cutting method.

It can be understood that, if the first suction hole 212 is not used for adsorption, and only the pressing plate 240 is used for pressing, then there is still a certain speed difference between the pressing plate 240 and the material belt when the pressing plate 240 contacts the material belt, so that the pressed part of the material belt still has a certain speed difference. Defects such as wrinkles are prone to occur. For cell manufacturing with high quality requirements, such defects are particularly likely to affect the quality of cell products. The first suction hole 212 is used to suck the material tape, and then the material tape is pressed, so as to avoid defects such as wrinkles on the material tape as much as possible.

Of course, in addition to the tape slitting in cell manufacturing, the tape slitting device can also be used for other types of tape slitting.

In some embodiments, the pressing plate 240 is provided with a second suction hole 242 and a second avoidance groove 241 , the second avoidance groove 241 corresponds to the cutter 230 , and the second suction hole 242 is arranged in the second avoidance groove 241 along the material belt. Both sides of the conveying direction. The second suction hole 242 can absorb the material tape from the other side, so as to improve the fixing effect of the material tape.

According to some embodiments of the present application, the cutter unit includes a first guide post 250 , the cutter seat 220 is provided with a first guide hole, one end of the first guide post 250 is mounted on the pressing plate 240 , and the other end of the first guide post 250 penetrates set in the first guide hole. The pressing plate 240 can approach or move away from the knife seat 220 under the guidance of the first guide post 250 , so that the cutting knife 230 can be extended or retracted relative to the pressing plate 240 .

In some embodiments, the cutter unit includes a first elastic member 260 , one end of the first elastic member 260 abuts against the knife seat 220 , and the other end of the first elastic member 260 abuts against the pressing plate 240 . The first elastic member 260 pushes the pressing plate 240 to return.

For example, referring to FIGS. 3 and 5 , the first elastic member 260 adopts a compression spring, and the compression spring is sleeved on a part of the first guide post 250. After the pressing plate 240 is in contact with the material tape, the cutter unit continues to move toward the cutting table 210, thereby pushing the pressing plate 240 is close to the knife seat 220, and at the same time, the compression spring is compressed. When the cutter unit is away from the cutting table 210, the compression spring is extended to push the pressing plate 240 to return. Meanwhile, as can be seen in FIG. 5 , the first guide post 250 includes a limit portion, and a limit protrusion corresponding to the limit portion is formed on the side wall of the first guide hole. The limiting portion is in contact with the limiting protrusion to prevent the pressing plate 240 from being separated from the tool seat 220 . Specifically, the tool holder 220 includes a first plate 223 and a second plate 224, the second plate 224 is mounted on the first plate 223, the first plate 223 has a first hole, the second plate has a second hole, The first hole and the second hole are coaxial, the first hole and the second hole are combined to form a first guide hole, and the diameter of the second hole is smaller than that of the first hole, thereby forming a limiting protrusion.

At this time, the pressing plate 240 is mounted on the tool seat 220 through the first guide post 250, and the first guide post 250 plays the role of guiding and limiting at the same time. Of course, in other embodiments, other structures may also be used to install the pressing plate 240 on the tool seat 220 and limit the stroke of the pressing plate 240 .

In some embodiments, the knife seat 220 includes a first clamping block 221 and a second clamping block 222, the cutter 230 is installed between the first clamping block 221 and the second clamping block 222, and the first clamping block 221 and the second clamping block 221 Block 222 clamps stationary cutter 230 .

According to some embodiments of the present application, the chase-cutting module includes a second guide post 270 and a second elastic member 280 , the knife seat 220 is provided with a second guide hole, one end of the second guide post 270 is mounted on the cutting table 210 , the second The other end of the guide post 270 passes through the second guide hole, one end of the second elastic member 280 abuts against the knife seat 220 , and the other end of the second elastic member 280 abuts against the cutting table 210 . After the tape is cut, the cutter unit is reset under the action of the second elastic member.

4, the second elastic member 280 adopts a compression spring, the compression spring is sleeved on the second guide post 270, the other end of the second guide post 270 passes through the knife seat 220, and the other end of the second guide post 270 is provided with a limiting block , the stroke of the cutter unit is limited by the limit block.

In the previous chase-cutting scheme, the driving element of the cutter unit was set in the chase-cutting module and moved with the cutter unit, which would greatly increase the weight of the chase-cutting module and require a larger driving force to obtain the chase-cutting module. Chase and reset, and the inertia of the chase module also increases accordingly, which makes it difficult for the chase module to adapt to high-speed, high-frequency reciprocating motion.

According to some embodiments of the present application, the material tape slitting device includes a first driver 310 and a connector 320 , the first driver 310 is installed on the frame 100 , the connector 320 is installed on the output end of the first driver 310 , and the blade holder 220 A roller 290 is installed, the roller 290 is located on the opposite side of the knife seat 220 and the cutter 230 , and the roller 290 is used for contacting the connecting piece 320 . By separating the first driver 310 from the chaser module, the weight and inertia of the chaser module are effectively reduced, so that the strip cutting device is suitable for high-speed and high-frequency working conditions, which helps to improve the efficiency of cell manufacturing. The chase-cutting module is in contact with the connecting member 320 through the roller 290, which reduces frictional resistance and wear during the movement of the chase-cutting module.

For example, referring to FIG. 4 , two rows of rollers 290 are arranged at intervals on the knife base 220 , the connecting member 320 includes a clipping bar 321 extending along the conveying direction of the material belt, and the two rows of rollers 290 are in contact with both sides of the clipping bar 321 respectively. The two rows of rollers 290 clamp the clamping strips 321, so that the movement of the knife seat 220 is synchronized with the movement of the connecting piece 320, which facilitates accurate control of the movement of the cutter unit.

In addition, the first driver 310 may adopt a cam follower, and the speed curve of the cutter unit can be accurately controlled by the cam.

In some embodiments, the material strip slitting device includes a second driver 330, the second driver 330 adopts a linear motor, the linear motor is installed on the frame 100, and the chase-cutting module is installed on the linear motor.

According to some embodiments of the present application, the material strip slitting device includes a waste box 410 , the cutting table 210 is formed with a chip removal channel, one end of the chip removal channel is communicated with the first escape groove 211 , and the other end of the chip removal channel is connected with the waste box 410 Connected.

Referring to FIGS. 1 and 2 , the chase-cutting module includes a discharge pipe 420 , the feeding end of the discharge pipe 420 is installed on the cutting table 210 and communicated with the chip discharge channel, and the discharge end of the discharge pipe 420 is connected to the waste box 410 . The inlets are butted so that the chip evacuation channel communicates with the waste bin 410 . The size of the inlet of the waste box 410 is larger than the size of the discharge end of the discharge pipe 420, and the moving range of the discharge end of the discharge pipe 420 falls within the inlet range of the waste box 410 to ensure smooth chip removal during the chase cutting process. .

The material tape slitting device according to the embodiment of the present application will be described in detail below with reference to FIGS. 1 to 5 with a specific embodiment. It should be understood that the following descriptions are merely exemplary illustrations rather than specific limitations of the present application. This specific embodiment can also be replaced by the above-mentioned corresponding technical features or combined with the above-mentioned technical features.

Referring to FIG. 1 , the tape slitting device includes a frame 100 , a first driver 310 , a connector 320 , a second driver 330 , a waste bin 410 , and a chase module.

The first driver 310 adopts a cam follower, the first driver 310 is installed on the frame 100 , the connector 320 is installed at the output end of the first driver 310 , the second driver 330 adopts a linear motor, and the linear motor is installed on the frame 100 , The chase-cutting module is installed on the linear motor, and the linear motor can drive the chase-cutting module to move along the conveying direction of the material belt.

The chase cutting module includes a cutter unit and a cutting table 210 . The cutter unit includes a cutter seat 220 , a cutter 230 , a pressing plate 240 , a first guide post 250 , a first elastic member 260 and a roller 290 .

2 and 5 , the tool holder 220 includes a first clamping block 221 , a second clamping block 222 , a first plate 223 , a second plate 224 and a third plate 225 . The first clamping block 221 and the second clamping block 222 clamp the fixed cutter 230 . The second board 224 is installed on one side of the first board 223, the third board 225 is installed on the other side of the first board 223, the first board 223 has a first hole, the second board has a second hole, the first board The hole and the second hole are coaxial, the first hole and the second hole are combined to form a first guide hole, the diameter of the second hole is smaller than the diameter of the first hole, thereby forming a limit protrusion, and one end of the first guide post 250 is installed on the On the pressing plate 240 , the other end of the first guide post 250 is passed through the first guide hole, and the other end of the first guide post 250 forms a limiting portion. The first elastic member 260 adopts a compression spring, and the compression spring is sleeved on a part of the first guide post 250 .

The pressing plate 240 is provided with a second suction hole 242 and a second avoidance groove 241. The second suction hole 242 is arranged on both sides of the second avoidance groove 241 along the conveying direction of the material belt. The cutting table 210 is provided with a first avoidance groove 211 and a second avoidance groove 241. A suction hole 212 is arranged on both sides of the first avoidance groove 211 along the conveying direction of the material belt. The first avoidance groove 211 and the second avoidance groove 241 correspond to the cutter 230 .

Referring to FIG. 4 , two rows of rollers 290 are arranged at intervals on the third plate 225 , the connecting member 320 includes a clamping bar 321 extending along the conveying direction of the material belt, and the two rows of rollers 290 are in contact with both sides of the clamping bar 321 respectively. The roller 290 clamps the clipping bar 321 .

Referring to FIG. 3 , the chase-cutting module further includes a second guide post 270 and a second elastic member 280 . The knife seat 220 is provided with a second guide hole, one end of the second guide post 270 is installed on the cutting table 210, the other end of the second guide post 270 penetrates the knife seat 220, and the other end of the second guide post 270 is provided with a limit block, The second elastic member 280 adopts a compression spring, one end of the second elastic member 280 abuts against the knife seat 220 , and the other end of the second elastic member 280 abuts against the cutting table 210 .

1 and 2, the cutting table 210 is formed with a chip removal channel, and one end of the chip removal channel is communicated with the first avoidance groove 211. The chase-cutting module includes a discharge pipe 420, and the feeding end of the discharge pipe 420 is installed on the cutting table. 210 and communicate with the chip discharge channel, the discharge end of the discharge pipe 420 is butted with the inlet of the waste box 410 , so that the chip discharge channel is communicated with the waste box 410 .

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples", etc., is meant to incorporate the embodiments A particular feature, structure, material, or characteristic described by an example or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the present application, The scope of the application is defined by the claims and their equivalents.

Claims (10)

1. a material strip slitting device, is characterized in that, comprises: frame; A chase-cutting module, the chase-cut module is installed on the frame, the chase-cut module can move along the conveying direction of the material belt, the chase-cut module includes a cutter unit and a cutting table, and the cutter unit includes A knife seat, a cutting knife and a pressing plate, the cutting knife and the pressing plate are installed on the knife seat, the cutting table is provided with a first escape groove and a first suction hole, and the first escape groove and the cutting Corresponding to the knife, the first suction holes are arranged on both sides of the first escape groove along the conveying direction of the material belt. 2 . The material strip slitting device according to claim 1 , wherein the pressing plate is provided with a second suction hole and a second avoidance groove, the second avoidance groove corresponds to the cutter, and the The second suction holes are arranged on both sides of the second avoidance groove along the conveying direction of the material belt. 3 . The material strip slitting device according to claim 1 , wherein the cutter unit comprises a first guide post and a first elastic member, the cutter seat is provided with a first guide hole, and the first One end of the guide post is mounted on the pressing plate, the other end of the first guide post is penetrated in the first guide hole, one end of the first elastic member is abutted against the knife seat, the first The other end of the elastic piece abuts against the pressing plate. 4 . The material tape slitting device according to claim 3 , wherein the first guide post comprises a limit portion, and a side wall of the first guide hole is formed with a corresponding limit portion. 5 . the limit protrusion. 5 . The material strip slitting device according to claim 1 , wherein the cutter seat comprises a first clamping block and a second clamping block, and the cutter is installed on the first clamping block and the second clamping block. 6 . Between the two clamping blocks, the first clamping block and the second clamping block clamp and fix the cutter. 6 . The material strip slitting device according to claim 1 , wherein the chase-cutting module comprises a second guide post and a second elastic member, the knife seat is provided with a second guide hole, and the second One end of the guide column is installed on the cutting table, the other end of the second guide column is penetrated in the second guide hole, one end of the second elastic member abuts the knife seat, the first The other ends of the two elastic members abut against the cutting table. 7. The material tape slitting device according to claim 1, characterized in that: the material tape slitting device comprises a first driver and a connecting piece, the first driver is mounted on the frame, and the connection A piece is installed at the output end of the first driver, and a roller is installed on the knife seat, the roller is located on the opposite side of the knife seat and the cutter, and the roller is used for contacting the connecting piece. 8 . The material tape slitting device according to claim 7 , wherein two rows of the rollers are arranged at intervals on the knife seat, and the connecting member comprises a clamping strip extending along the conveying direction of the material tape. 9 . The two rows of the rollers are respectively in contact with the two sides of the clamping strip. 9 . The material tape slitting device according to claim 1 , wherein the material tape slitting device comprises a second driver, and the second driver adopts a linear motor, and the linear motor is installed on the frame. 10 . above, the chase-cutting module is installed on the linear motor. 10 . The material strip slitting device according to claim 1 , wherein the material strip slitting device comprises a waste box, the cutting table is formed with a chip discharge channel, and one end of the chip discharge channel is connected to the The first escape groove is communicated with, and the other end of the chip removal channel is communicated with the waste box.

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