CN219946389U - Thermal compound cutting device - Google Patents

Abstract

The utility model belongs to the technical field of pole piece processing, and particularly relates to a thermal compound cutting device, which comprises a first pole piece feeding mechanism for feeding a first pole piece, a diaphragm feeding mechanism for covering a diaphragm on the first pole piece, a first thermal compound assembly for thermal compound and a pole piece cutting mechanism, wherein the first pole piece feeding mechanism, the diaphragm feeding mechanism, the first thermal compound assembly and the pole piece cutting mechanism are sequentially arranged; the method is characterized in that: the pole piece cutting mechanism comprises a frame, a roller cutter assembly arranged on the frame, and a pole piece bearing assembly arranged below the roller cutter assembly and used for bearing a pole piece; the roller cutter assembly is provided with a cutter roller, and the cutter roller rotates for a circle to cut the pole piece after the pole piece bearing assembly is thermally compounded. The cutter roller of the roller cutter assembly adopts a circular cutter structure and is used for cutting off a heat-compounded pole piece by a circular cutter, so that the smoothness is high, the cutting efficiency is high and the consistency is good.

Description

Thermal compound cutting device

Technical Field

The utility model belongs to the technical field of pole piece processing, and particularly relates to a thermal compound cutting device.

Background

Lithium ion device technology is a key technology for development of electric automobiles. At present, a lamination cell of a lithium battery mostly adopts a thermal compounding process, wherein the lamination speed directly determines the whole line production energy and the cell manufacturing cost. At present, the z-type lamination technology is mostly adopted, the global fastest lamination speed of mass production is 0.6 s/piece, and the lamination method is low in speed, so that the equipment number requirement is large, the occupied area is large, the purchase cost is high, and the later maintenance cost and the energy consumption are large. Therefore, the thermal composite lamination method has been a trend of lamination technology development because a plurality of sheets can be stacked at the same time.

In the thermal compounding process, the pole piece after thermal compounding needs to be cut, and the traditional pole piece thermal compounding adopts a cutter to cut when cutting, so that the cutting structure of the cutter is slower, and the smoothness is poor.

Disclosure of Invention

The utility model aims to provide a thermal compound cutting device, which aims to solve the technical problems that in the prior art, a cutter is adopted to cut during cutting of pole piece thermal compound, and the cutting speed of the cutter is low and the smoothness is poor.

In order to achieve the above purpose, the embodiment of the utility model provides a thermal compound cutting device, which comprises a first pole piece feeding mechanism for feeding a first pole piece, a diaphragm feeding mechanism for covering a diaphragm on the first pole piece, a first thermal compound component for thermal compound and a pole piece cutting mechanism, wherein the first pole piece feeding mechanism, the diaphragm feeding mechanism, the first thermal compound component and the pole piece cutting mechanism are sequentially arranged; the pole piece cutting mechanism comprises a frame, a roller cutter assembly arranged on the frame, and a pole piece bearing assembly arranged below the roller cutter assembly and used for bearing a pole piece; the roller cutter assembly is provided with a cutter roller, and the cutter roller rotates for a circle to cut the pole piece after the pole piece bearing assembly is thermally compounded.

Optionally, the roller cutter assembly comprises a driving motor and the cutter roller, wherein the driving motor is fixed at the side end of the frame, and the cutter roller is connected with a main shaft of the driving motor and is rotatably connected to the frame; the cutter roller is provided with a cutter, and the pole piece bearing assembly is provided with a cutter groove for avoiding the cutter.

Optionally, the roller cutter assembly further comprises a handle, wherein the handle is connected with the cutter roller and is located at one end of the cutter roller far away from the driving motor.

Optionally, the pole piece bearing assembly comprises a driving element and a round roller, wherein the driving element is fixed at the side end of the frame, and the round roller is connected with a main shaft of the driving element and is rotationally connected to the frame; the knife groove is arranged on the round roller.

Optionally, the pole piece cutting mechanism further comprises a first height adjusting component and a second height adjusting component; the first height adjusting component is arranged on the frame, the second height adjusting component is connected with the frame in a sliding way, and the second height adjusting component is connected with the moving end of the first height adjusting component; the roller cutter assembly is connected with the movable end of the second height adjusting assembly.

Optionally, the first height adjusting assembly comprises a rotating motor and a screw, wherein the rotating motor is fixed on the top of the frame, and the screw is vertically arranged and connected with a main shaft of the rotating motor; the second height adjusting component is in threaded connection with the screw rod.

Optionally, the second height adjusting component comprises a lifting cylinder, a sliding seat and a lifting seat; the lifting cylinder is arranged on the sliding seat, the sliding seat is in sliding connection with the rack, a connecting block is arranged on one side of the sliding seat, which is opposite to the lifting cylinder, and the connecting block is in threaded connection with the screw rod; the lifting seat is connected with the movable end of the lifting cylinder, and the roller cutter assembly is arranged on the lifting seat.

Optionally, a sliding rail vertically arranged along the height direction is arranged on the frame, and a sliding block in sliding connection with the sliding rail is arranged on the sliding seat.

Optionally, the two diaphragm feeding mechanisms are respectively located at two sides of the first pole piece feeding mechanism, and the two diaphragm feeding mechanisms respectively cover the diaphragm on the upper surface and the lower surface of the first pole piece.

Optionally, the thermal compound cutting device further comprises a second pole piece feeding mechanism for feeding the second pole piece and a second thermal compound assembly for thermally compounding the second pole piece to the diaphragm, wherein the second pole piece feeding mechanism and the second thermal compound assembly are arranged between the diaphragm feeding assembly and the pole piece cutting mechanism in sequence.

The above technical solutions in the thermal composite cutting device provided by the embodiments of the present utility model have at least one of the following technical effects: the required pole piece structure can be obtained through the first pole piece feeding mechanism, the diaphragm feeding mechanism, the first thermal composite assembly and the pole piece cutting mechanism. The pole piece after being thermally compounded by the first thermal compounding component is conveyed to the pole piece cutting mechanism, the cutter roller of the roller cutter component adopts a circular cutter structure and is used for cutting off the thermally compounded pole piece by a circular cutter, and the cut pole piece is conveyed to the next station. Therefore, the smoothness of pole piece cutting is high, the cutting efficiency is high, and the consistency is good.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a thermal composite cutting device according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of the pole piece cutting mechanism of fig. 1.

Fig. 3 is a schematic structural view of the pole piece cutting mechanism of fig. 2 at another view angle.

Fig. 4 is a schematic structural view of a first view angle of the first and second height adjustment assemblies of fig. 2.

Fig. 5 is a schematic structural view of a second view of the first and second height adjustment assemblies of fig. 2.

Fig. 6 is a schematic view of the roller cutter assembly of fig. 2.

Wherein, each reference sign in the figure:

1-first pole piece 2-diaphragm 3-second pole piece

4-second pole piece feeding mechanism 5-second thermal composite assembly 10-first pole piece feeding mechanism

20-diaphragm feeding mechanism 40-first thermal composite assembly 50-pole piece cutting mechanism

60-frame 61-slide rail 62-slide block

70-roller cutter assembly 71-cutter roller 72-driving motor

73-handle 74-first height adjustment assembly 75-second height adjustment assembly

80-pole piece bearing assembly 81-driving element 82-round roller

741-rotating motor 742-screw 751-lifting cylinder

752-slide 753-lifting seat 754-connecting block.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1 to 6 are exemplary and intended to illustrate embodiments of the present utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1 to 6, there is provided a thermal compound cutoff device, comprising a first pole piece feeding mechanism 10 for feeding a first pole piece 1, a diaphragm feeding mechanism 20 for attaching a diaphragm 2 to the first pole piece 1, a first thermal compound component 40 for thermal compound, and a pole piece cutoff mechanism 50, which are sequentially arranged; the pole piece cutting mechanism 50 comprises a frame 50, a roller cutter assembly 70 arranged on the frame 60, and a pole piece bearing assembly 80 arranged below the roller cutter assembly 70 and used for bearing pole pieces; the roller cutter assembly 70 is provided with a cutter roller 71, and the cutter roller 71 rotates for a circle to cut the pole piece after the thermal compounding on the pole piece bearing assembly 80.

Specifically, the first pole piece 1 and the diaphragm 2 are a thermal composite path along the conveying direction of the first thermal composite assembly 40, the pole piece bearing assembly 80 is mounted on the frame 60, the cutter roller 71 is in contact with the surface of the pole piece bearing assembly 80, and the cutter roller 71 is rotatable. The required pole piece structure is obtained through the first pole piece feeding mechanism 10, the diaphragm feeding mechanism 20, the first thermal compounding component and the pole piece cutting mechanism 50. The pole piece after being thermally compounded by the first thermal compounding assembly 40 is conveyed to the pole piece cutting mechanism 50, the cutter roller 71 of the roller cutter assembly 70 adopts a circular cutter structure and is used for cutting the thermally compounded pole piece by a circular cutter, and the cut pole piece is conveyed to the next station to be stacked by a belt. Therefore, the smoothness of pole piece cutting is high, the cutting efficiency is high, and the consistency is good.

As shown in fig. 1, in this example, there are two diaphragm feeding mechanisms 20, and the two diaphragm feeding mechanisms 20 are respectively located at two sides of the first pole piece feeding mechanism 10, and the two diaphragm feeding mechanisms 20 respectively cover the diaphragm 2 on the upper and lower surfaces of the first pole piece 1. Specifically, another diaphragm feeding mechanism 20 may be provided to cover the other surface of the first pole piece 1 according to the requirement, and the diaphragms are compounded on both surfaces of the first pole piece 1 by the first thermal compounding assembly 40.

As shown in fig. 1, in this example, the thermal compounding and cutting device further includes a second pole piece feeding mechanism 4 for feeding the second pole piece 3 and a second thermal compounding assembly 5 for thermally compounding the second pole piece 3 to the diaphragm, which are disposed in sequence, and the second pole piece feeding mechanism 4 and the second thermal compounding assembly 5 are located between the diaphragm feeding assembly 20 and the pole piece cutting mechanism 50. Specifically, according to the requirement, the second pole piece 3 can be coated on the other side of the diaphragm 2 through the second thermal compound assembly 5 on the basis of compounding the first pole piece 1 and the diaphragm 2. The first thermal composite assembly 40 and the second thermal composite assembly 5 may be two thermal compression rollers disposed up and down and having surface contact, and the specific structure is the prior art and will not be described herein.

As shown in fig. 3 and 6, in this example, the roller cutter assembly 70 includes a driving motor 72 and a cutter roller 71, the driving motor 72 is fixed to a side end of the frame 60, and the cutter roller 71 is connected to a main shaft of the driving motor 72 and is rotatably connected to the frame 60; the cutter roller 71 is provided with a cutter, and the pole piece bearing assembly 80 is provided with a cutter groove for avoiding the cutter. Specifically, the driving motor 72 is mounted on the frame 60 and may be fastened to a side end of the frame 60 by screw locking. The cutter roller 71 is horizontally arranged, one end of the cutter roller 71 is fixedly connected with a main shaft of the driving motor 72, and the other end of the cutter roller 71 is rotatably connected with the frame 60, so that the cutter roller 71 is driven to rotate by the driving motor 72. The cutters are arranged along the axial direction of the cutter drum 71 to realize one rotation of the cutter drum 71 to cut the pole piece.

As shown in fig. 3 and 6, in this example, the roller cutter assembly 70 further includes a handle 73, and the handle 73 is connected to the cutter roller 71 and is located at an end of the cutter roller 71 away from the driving motor 72. Specifically, one end of the handle 73 is connected to the cutter roller 71, and the user rotates the handle 73 to rotate the cutter roller 71, so as to realize the function of manually cutting the pole piece.

As shown in fig. 2, in this example, the pole piece severing mechanism 50 further includes a first height adjustment assembly 74 and a second height adjustment assembly 75; the first height adjusting assembly 74 is mounted on the frame 60, the second height adjusting assembly 75 is slidably connected with the frame 60, and the second height adjusting assembly 75 is connected with the moving end of the first height adjusting assembly 74; the roller cutter assembly 70 is connected to the movable end of a second height adjustment assembly 75. Specifically, the second height adjusting assembly 75 can slide up and down on the frame 60 in the vertical direction under the driving of the first height adjusting assembly 74, and the second height adjusting assembly 75 can drive the roller cutter assembly 70 to move up and down in the vertical direction. The horizontal height of the second height adjustment assembly 75 is adjusted by the first height adjustment assembly 74 to adjust the distance between the roller cutter assembly 70 and the pole piece receiving assembly 80, and the distance between the roller cutter assembly 70 and the tab receiving assembly is further adjusted by the second height adjustment assembly 75.

As shown in fig. 2 to 5, in this example, the first height adjusting assembly 74 includes a rotary motor 741 and a screw 742, the rotary motor 741 is fixed to the top of the frame 60, and the screw 742 is vertically disposed and connected to a main shaft of the rotary motor 741; the second height adjustment assembly 75 is threadably coupled to the screw 742. Specifically, the rotary motor 741 may be mounted on the frame 60 by screws, and a main shaft of the rotary motor 741 passes through the frame 60 and is fixedly connected to the screw 742. Screw 742 is connected with frame 60 rotation and is located the frame 60 and faces away from the side of second altitude mixture control subassembly 75, and screw 742 can rotate under the drive of rotating electrical machines 741, has second altitude mixture control subassembly 75 and screw 742 threaded connection again, and screw 742 rotates and realizes that second altitude mixture control subassembly 75 reciprocates along screw 742.

As shown in fig. 2 to 5, in the present example, the second height adjusting assembly 75 includes a lifting cylinder 751, a slider 752, and a lifting seat 753; the lifting cylinder 751 is arranged on the sliding seat 752, the sliding seat 752 is in sliding connection with the frame 60, a connecting block 754 is arranged on one side, facing away from the lifting cylinder 751, of the sliding seat 752, and the connecting block 754 is in threaded connection with the screw 742; the lifting seat 753 is connected with the moving end of the lifting cylinder 751, and the roller cutter unit 70 is mounted on the lifting seat 753. Specifically, since connection block 754 is threadedly coupled to screw 742. The slider 752 is capable of sliding up and down along the vertical direction of the frame 60 under the drive of the first height adjustment assembly 74. The lifting cylinder 751 is used for driving the lifting seat 753 to move up and down in the vertical direction. The two ends of the roller cutter assembly 70 are respectively connected with the lifting seat 753, so that the first height adjusting assembly 74 and the second height adjusting assembly 75 can adjust the horizontal height of the roller cutter assembly 70.

As shown in fig. 5, in this example, a slide rail 61 vertically disposed along the height direction is provided on the frame 60, and a slider 62 slidably connected to the slide rail 61 is provided on the slider 752. Specifically, two sliding rails 61 are respectively disposed at two ends of the frame 60. The number of the sliding blocks 62 is at least two, and at least two sliding blocks 62 are respectively fixed on two opposite sides of the same side of the sliding seat 752 and are matched with the corresponding sliding rails 61. The sliding seat 752 is made to slide smoothly by the arrangement of the sliding rail 61 and the sliding block 62.

In this embodiment, as shown in fig. 2 to 3, the pole piece receiving assembly 80 includes a driving element 81 and a circular roller 82, the driving element 81 is fixed to a side end of the frame 60, the circular roller 82 is connected to a main shaft of the driving element 81, and is rotatably connected to the frame 60, and a cutter slot for avoiding an empty cutter is provided on the circular roller 82. Specifically, the circular roller 82 is in contact with the surface of the cutter roller 71, the circular roller 82 and the cutter roller 71 rotate one turn, and the cutter extends into the slot and cuts the pole piece.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The thermal composite cutting device comprises a first pole piece feeding mechanism for feeding a first pole piece, a diaphragm feeding mechanism for covering a diaphragm on the first pole piece, a first thermal composite component for thermal composite and a pole piece cutting mechanism, wherein the first pole piece feeding mechanism, the diaphragm feeding mechanism, the first thermal composite component and the pole piece cutting mechanism are sequentially arranged; the method is characterized in that: the pole piece cutting mechanism comprises a frame, a roller cutter assembly arranged on the frame, and a pole piece bearing assembly arranged below the roller cutter assembly and used for bearing a pole piece; the roller cutter assembly is provided with a cutter roller, and the cutter roller rotates for a circle to cut the pole piece after the pole piece bearing assembly is thermally compounded.

2. The thermal compound cutoff device according to claim 1, wherein: the roller cutter assembly comprises a driving motor and the cutter roller, the driving motor is fixed at the side end of the frame, the cutter roller is connected with a main shaft of the driving motor and is rotatably connected to the frame; the cutter roller is provided with a cutter, and the pole piece bearing assembly is provided with a cutter groove for avoiding the cutter.

3. The thermal compound cutoff device according to claim 2, wherein: the roller cutter assembly further comprises a hand crank, wherein the hand crank is connected with the cutter roller and is located at one end, far away from the driving motor, of the cutter roller.

4. The thermal compound cutoff device according to claim 2, wherein: the pole piece bearing assembly comprises a driving element and a round roller, the driving element is fixed at the side end of the frame, the round roller is connected with a main shaft of the driving element and is rotatably connected to the frame; the knife groove is arranged on the round roller.

5. The thermal compound cutoff device according to claim 1, wherein: the pole piece cutting mechanism further comprises a first height adjusting component and a second height adjusting component; the first height adjusting component is arranged on the frame, the second height adjusting component is connected with the frame in a sliding way, and the second height adjusting component is connected with the moving end of the first height adjusting component; the roller cutter assembly is connected with the movable end of the second height adjusting assembly.

6. The thermal compound cutoff device according to claim 5, wherein: the first height adjusting assembly comprises a rotating motor and a screw rod, the rotating motor is fixed at the top of the frame, and the screw rod is vertically arranged and connected with a main shaft of the rotating motor; the second height adjusting component is in threaded connection with the screw rod.

7. The thermal compound cutoff device according to claim 6, wherein: the second height adjusting assembly comprises a lifting cylinder, a sliding seat and a lifting seat; the lifting cylinder is arranged on the sliding seat, the sliding seat is in sliding connection with the rack, a connecting block is arranged on one side of the sliding seat, which is opposite to the lifting cylinder, and the connecting block is in threaded connection with the screw rod; the lifting seat is connected with the movable end of the lifting cylinder, and the roller cutter assembly is arranged on the lifting seat.

8. The thermal compound cutoff device according to claim 7, wherein: the sliding seat is characterized in that a sliding rail which is vertically arranged in the height direction is arranged on the frame, and a sliding block which is in sliding connection with the sliding rail is arranged on the sliding seat.

9. The thermal compound cutting apparatus according to any one of claims 1 to 8, wherein: the two diaphragm feeding mechanisms are respectively positioned at two sides of the first pole piece feeding mechanism, and the two diaphragm feeding mechanisms respectively cover the diaphragm on the upper surface and the lower surface of the first pole piece.

10. The thermal compound cutting apparatus according to any one of claims 1 to 8, wherein: the thermal compound cutting device further comprises a second pole piece feeding mechanism and a second thermal compound assembly, wherein the second pole piece feeding mechanism is used for feeding the second pole piece, the second thermal compound assembly is used for thermally compounding the second pole piece to the diaphragm, and the second pole piece feeding mechanism and the second thermal compound assembly are located between the diaphragm feeding assembly and the pole piece cutting mechanism.