CN114538166B - Removal method of discarded pole piece on reel - Google Patents

Abstract

The present invention proposes a method for removing waste pole pieces on a reel, which includes the following steps: erecting the reel with waste pole pieces reeled on the frame; unrolling the waste pole pieces, passing through them in turn and arranging them parallel to the reel The first passing roller, the tension floating roller, and the second passing roller; paste the unfolded waste pole piece head on the crimping active cylinder and the crimping driven cylinder in the meshing state with adhesive tape; wind the waste pole piece into an inverted spindle shape The coil material; the coil material is separated from the coiling active cylinder and the coiling passive cylinder; the coil material falls to the bottom plate; the coil material is compressed into a compact coil; the compact coil falls into the transfer trolley set at the bottom of the shell ; Carry away the compact volume block. The invention can quickly remove the waste pole pieces on the reel, and compress the waste pole pieces into a whole piece of material with a standard size, which is convenient for the transportation and recycling of the waste pole pieces, and saves a lot of manpower; at the same time, the whole operation process does not produce Dust and metal shavings meet the environmental cleanliness requirements of lithium battery production workshops.

Description

Removal method of discarded pole piece on reel

technical field

The invention relates to the technical field of battery manufacturing, in particular to a method for removing waste pole pieces on a reel.

Background technique

In the lithium battery industry, the production of pole pieces is to coat the positive and negative electrode slurries on the surface of the continuously running foil, after drying, roll them into pole rolls, and then roll them, cut them, and form them into tabs. process, and enter the final assembly link. It is easy to produce some unqualified pole pieces in the above process, especially in the process of equipment debugging, first piece production, etc., it is easier to produce a certain number of unqualified pole pieces. The reel is used as a reusable tool, and it is usually necessary to remove the unqualified pole pieces tightly wound on the reel before the reel can be reused.

In the prior art, the waste pole piece on the pole roll is generally removed manually. As shown in Figure 1, a in the figure is a roll, b is a waste pole piece, and c is a knife. The operator holds a knife to cut the pole piece. Since the pole piece wound on the roll has dozens to hundreds of layers, even Thousands of layers, but each cut can only cut ten layers, so it needs continuous multiple cutting, the whole cutting process consumes a lot of manpower, not only the cutting efficiency is low, but also easy to generate a lot of dust and metal shavings, polluting the workshop environment and endangering employees Healthy, at the same time, the cut waste is messy and occupies a large area, which is not easy to collect and transport.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention proposes a method for removing the waste pole pieces on the reel, which can quickly remove the waste pole pieces on the reel, and compress and recycle the waste pole pieces. The whole operation process not only saves A lot of labor without generating dust and metal shavings.

In order to achieve the above purpose, a method for removing waste pole pieces on a reel designed by the present invention is particularly characterized in that it includes the following steps:

Step 1), setting up the reel with the discarded pole piece wound on the frame;

Step 2), unfolding the waste pole piece, passing through the first passing roller, the tension floating roller and the second passing roller arranged parallel to the reel in sequence;

Step 3), start the two clutch cylinders fixed on both sides of the frame and arranged oppositely, make the crimping active cylinder and the crimping passive cylinder move towards each other until they mesh with each other, close the two clutch cylinders; Use adhesive tape to stick on the coiled active cylinder and the coiled passive cylinder in the engaged state;

Step 4), start the driving motor, the driving motor drives the driving gear to rotate continuously, the driving gear drives the crimping active cylinder, the crimping passive cylinder in the meshing state, and the corresponding clutch cylinder piston rod to rotate continuously together, and the waste pole piece is wound into an inverted For spindle-shaped coil materials, after the waste pole piece is wound up, turn off the drive motor;

Step 5), start the two clutch cylinders again, make the crimping active cylinder and the crimping passive cylinder go opposite to each other until the coil material is detached from the crimping active cylinder and the crimping passive cylinder, and close the two clutch cylinders;

Step 6), the coiled material falls to the slope of the compression mechanism under the action of gravity, and then slides to the bottom plate in the housing, and the bottom plate revolves around the rotating shaft under the combined action of the gravity of the coiled material and the upward support of the inserted support block Flip to horizontal arrangement state;

Step 7), the lower pressing plate reciprocates up and down under the push of the lower pressing cylinder to compress the coil material up and down, and the flat pressing plate reciprocates horizontally under the push of the flat pressing cylinder to compress the coil material horizontally, thereby compressing the coil material Form a compact roll; the lower pressing plate moves upwards to the top of the housing driven by the retraction of the piston rod of the lower pressing cylinder, and the flat pressing plate moves horizontally to the edge of the housing driven by the retraction of the piston rod of the flat pressing cylinder;

Step 8), pull out the supporting block from the housing, and under the action of the gravity of the tight coil block, the bottom plate is turned around the rotating shaft into a vertically arranged state; the compact coil block falls into the transfer trolley provided at the bottom of the housing;

Step 9), the transfer trolley is pulled out from the transfer hole on the casing, and the tight volume block is transported away.

Further, in step 2), the tension floating roller inputs the tension set by the system to the electric proportional valve, and the electric proportional valve adjusts the air pressure according to the received tension electric signal, and respectively controls the floating cylinder fixedly connected to the upper end of the floating connection block The size of the air pressure makes the floating roller connected between the two floating connection blocks obtain the tension set by the system.

Further, in step 3), the crimping driving cylinder includes a driving gear fixedly sleeved on the outer circumference of the piston rod of the clutch cylinder, and the driving gear is fixedly connected to the side of the inner cavity of the frame, and is fixedly connected to the piston rod of the clutch cylinder, and An active crimping rod with a tapered outer peripheral surface, the conical top surface of the active crimping rod is provided with convex corrugations; the crimping passive cylinder includes a passive gear fixedly sleeved on the outer periphery of the piston rod of the clutch cylinder, and the passive gear is close to the frame One side of the inner cavity is fixedly connected with the piston rod of the clutch cylinder and has a tapered outer peripheral surface of a passive curling rod. The tapered top surface of the passive curling rod is provided with a groove matching the convex corrugation.

Furthermore, the end of the piston rod of each clutch cylinder close to the cylinder head is provided with a first bearing for bearing the bearing capacity of the crimping active cylinder or the crimping passive cylinder, and the end of the piston rod of each clutch cylinder away from the cylinder head is The gap sleeve is provided with a second bearing for increasing the bearing length; the bottom end of each clutch cylinder and the outer circumference of each first bearing are provided with a support on the frame, and each support is along the Corresponding to the axial direction of the second bearing and extending to the outer circumference of the second bearing in a cylindrical shape, an annular gap is provided between each of the supports and the piston rod of the clutch cylinder; The first notch matching the cylindrical shape, the second notch matching the cylindrical shape is provided inside the driven gear and the passive crimping rod, so that when the piston rod of the clutch cylinder is retracted, the crimping active cylinder or the crimping passive cylinder can Sleeved on the outer circumference of the cylinder.

Furthermore, the corrugation is straight, cross-shaped, or quincunx-shaped.

Furthermore, the taper angle θ of the active crimping rod and the passive crimping rod is 20°-45°.

Further, in step 4), the driving motor is a variable frequency speed regulating motor capable of frequency modulation according to the set winding speed.

Further, in step 6), the compression mechanism includes a housing with a mouth-shaped cross section, an upwardly inclined slope extending directly below the crimping mechanism extends from the top side of the housing, and the inner cavity of the housing is provided with a The bottom plate that accepts the coil material that slides down from the slope and is connected with the housing through a rotating shaft. Support blocks that can be pulled out or plugged in are embedded on the opposite sides of the housing and at the bottom of the bottom surface of the bottom plate, so that the support blocks When plugged in, the bottom plate is arranged horizontally under the action of the gravity of the coiled material. When the support block is pulled out, the bottom plate is turned around the rotating shaft to be vertically arranged under the action of the gravity of the coiled material; A lower pressing plate that moves back and forth in cooperation with the bottom plate to compact the coiled material up and down, and the upper surface of the horizontally arranged bottom plate is provided with a flat pressing plate that can horizontally compact the coiled material through horizontal reciprocating movement and the cooperation of the bottom plate; The upper surface of the pressing plate is fixedly connected with a downward pressing cylinder for pushing the lower pressing plate to reciprocate up and down, and the side of the flat pressing plate is fixedly connected with a flat pressing cylinder for pushing the flat pressing plate to perform horizontal reciprocating movement and passing through the outside of the shell; the shell The bottom of the body is provided with a transfer hole for pulling out or pushing the transfer trolley.

Furthermore, the transfer trolley includes a bucket for loading compact rolls, casters are provided at the four corners at the bottom of the bucket, and a front baffle that can form a sealing structure with the transfer hole is provided on one side of the bucket. , a handle is provided on the outer side of the front baffle.

Furthermore, the dust removal in the housing is realized by connecting the dust removal pipe provided on the housing with an external vacuum cleaner.

The advantages of the present invention are:

1. In the present invention, through the protruding of the piston rods of the two clutch cylinders, the coiling active cylinder and the coiling passive cylinder, which are fixed at the end of the piston rod of the clutch cylinder and extend to the inner cavity of the frame in a tapered shape, move towards each other until they mesh with each other. And through the driving gear to drive the crimping active cylinder and the crimping passive cylinder to rotate together, so that the waste pole piece on the reel is wound up on the crimping active cylinder and the crimping passive cylinder in the meshing state to form an inverted spindle-shaped coil; and then through two The retraction of the piston rod of the clutch cylinder realizes that the crimping active cylinder and the crimping passive cylinder, which are fixed at the end of the piston rod of the clutch cylinder and extend into the inner cavity of the frame in a tapered shape, move away from each other until they are separated, so that the inverted spindle-shaped coil The material is detached from the crimping active cylinder and the crimping passive cylinder;

2. The present invention improves the bearing capacity of the piston rod of each clutch cylinder through the first bearing and the second bearing, and adopts clearance fit between the first bearing, the second bearing and the piston rod of the clutch cylinder, which not only does not affect the piston rod It is extended or retracted inside the bearing, and when the curling active cylinder, the curling passive cylinder, and the piston rod of the clutch cylinder are jointly rotated, the bearing can cooperate with the clutch cylinder piston rod to rotate together; The first notch and the second notch matched with the cylindrical support on the outer periphery of the second bearing are hollowed out inside the barrel, so that the crimping active cylinder or the crimping driven cylinder can be sleeved on the outer periphery of the cylindrical support, which not only reduces Curling active cylinder, curling passive cylinder weight, and shortened the telescopic length of each clutch cylinder piston rod.

3. The present invention compresses the coil material detached from the crimping active cylinder and the crimping passive cylinder to form a compact coil block, which is convenient for transportation, and the entire compression process does not produce dust and metal shavings, which meets the environmental requirements of the lithium battery production workshop. cleanliness requirements.

The method for removing the waste pole piece on the reel of the present invention can quickly remove the waste pole piece on the reel, and compress the waste pole piece into a standard-sized whole material, which is convenient for the transportation and recycling of the waste pole piece, and saves a lot At the same time, the whole operation process will not produce dust and metal shavings, which meets the requirements of lithium battery production workshops for environmental cleanliness, and has obvious practical and economic value.

Description of drawings

Fig. 1 is the structural representation of cutting pole roll in the prior art;

Fig. 2 is a schematic diagram of the three-dimensional structure of the equipment in the method for removing the discarded pole piece on the reel of the present invention;

Fig. 3 is a three-dimensional structural schematic diagram of the tension floating roller in Fig. 2;

Fig. 4 is a three-dimensional structural schematic diagram of the crimping active cylinder and the crimping passive cylinder in an engaged state in Fig. 2;

Fig. 5 is a schematic cross-sectional structure diagram of Fig. 4;

Fig. 6 is a three-dimensional structural schematic diagram of the crimping active cylinder and the crimping passive cylinder in a disengaged state in Fig. 2;

Fig. 7 is a schematic cross-sectional structure diagram of Fig. 6;

Fig. 8 is a schematic diagram of a front perspective structure of the compression mechanism in Fig. 2;

Fig. 9 is a schematic diagram of a front perspective structure inside the housing in Fig. 8;

Fig. 10 is a left perspective structural schematic diagram of the compression mechanism in Fig. 2;

Fig. 11 is a rear view sectional structural schematic diagram of the compression mechanism in Fig. 2;

Fig. 12 is a schematic diagram of the three-dimensional structure of the transfer trolley in Fig. 2;

Fig. 13 is a schematic structural view of the coil material in Fig. 2;

In the figure: reel 1, first passing roller 2, tension floating roller 3, second passing roller 4, curling mechanism 5, compression mechanism 6, transfer trolley 7, waste pole piece 8, frame 9, coil material 10, tight Real volume block 11;

The tension floating roller 3 includes: a floating roller 3-1, a floating connection block 3-2, a floating cylinder 3-3, and an electric proportional valve 3-4;

Curling mechanism 5 includes: curling active cylinder 5-1, curling driven cylinder 5-2, clutch cylinder 5-3, support 5-4, first bearing 5-5, second bearing 5-6, driving motor 5-7 , drive gear 5-8, ring gap 5-9,

The curling driving cylinder 5-1 includes: driving gear 5-1-1, driving curling rod 5-1-2, convex groove 5-1-3, first notch 5-1-4;

The curling driven cylinder 5-2 includes: a driven gear 5-2-1, a passive curling rod 5-2-2, a groove 5-2-3, and a second notch 5-2-4;

The compression mechanism 6 includes: a housing 6-1, a slope 6-2, a bottom plate 6-3, a lower pressing plate 6-4, a lower pressing cylinder 6-5, a flat pressing plate 6-6, a flat pressing cylinder 6-7, and a rotating shaft 6- 8. Support block 6-9, transfer hole 6-10, dust removal pipe 6-11;

The transfer trolley 7 includes: a bucket 7-1, casters 7-2, a front baffle 7-3, and a handle 7-4;

Cylindrical shape A, cone angle θ.

detailed description

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should therefore not be construed as limiting the invention.

The removal method of the discarded pole piece on the reel of the present invention is realized by the equipment shown in Fig. In the unfolding direction of the discarded pole pieces 8, there are sequentially arranged a first overroller 2, a tension floating roller 3, a second overroller 4, and a curling mechanism 5 which are all arranged in parallel with the reel 1; 9 clutch cylinders 5-3 arranged oppositely on both sides, the piston rod ends of the two clutch cylinders 5-3 are respectively fixedly connected to the inner cavity of the frame 9, which extends into a tapered shape and engages with each other through the tapered top ends. Curling active cylinder 5-1 and crimping passive cylinder 5-2, the outer side of the tapered bottom end of the curling active cylinder 5-1 is also meshed with a drive gear 5-7 driven to rotate by a drive motor 5-7 fixed on the frame 9 8. When the piston rods of the two clutch cylinders 5-3 protrude to the inner cavity of the frame 9 at the same time, the crimping active cylinder 5-1 and the crimping driven cylinder 5-2 move toward each other until they mesh with each other, and the driving motor 5-7 Drive the driving gear 5-8 to rotate, and the driving gear 5-8 drives the crimping active cylinder 5-1 and the crimping driven cylinder 5-2 to rotate, thereby rewinding the waste pole piece 8 into an inverted spindle-shaped coil material 10; When the clutch cylinder 5-3 piston rod retracts to the outside of the frame 9 at the same time, the crimping active cylinder 5-1 and the crimping passive cylinder 5-2 go opposite to each other to the coil material 10 from the crimping active cylinder 5-1 and the crimping passive cylinder. 5-2 and detached from it; just below the crimping mechanism 5 is provided with a compression mechanism 6 for compressing the coil material 10 into a compact volume 11, and the bottom of the inner cavity of the compression mechanism 6 is provided with a compact volume 11 , and the transfer trolley 7 that pulls out or advances the tight roll block 11 from the compression mechanism 6 .

The method for removing the discarded pole piece on the reel of the present invention comprises the following steps,

Step 1), erect the reel 1 on which the discarded pole piece 8 is wound on the frame 9 .

In step 2), the waste pole piece 8 is unrolled, passing through the first passing roller 2 , the tension floating roller 3 , and the second passing roller 4 arranged parallel to the reel 1 in sequence.

Specifically, the tension floating roller 3 includes a floating roller 3-1, the two ends of the floating roller 3-1 are respectively provided with floating connecting blocks 3-2, and the upper end of each floating connecting block 3-2 is fixedly connected with a floating Cylinders 3-3, each of the floating cylinders 3-3 is respectively connected with an electric proportional valve 3-4 for controlling the air pressure of the floating cylinders 3-3.

Input the tension set by the system to the electric proportional valve 3-4, and the electric proportional valve 3-4 adjusts the air pressure according to the tension electric signal received, respectively controls the air pressure of the floating cylinder 3-3, so that the air pressure connected to the two floating connection blocks 3 The floating roller 3-1 between -2 obtains the tension set by the system, so that the discarded pole piece 6 obtains the set tension, which acts as a buffer and prevents the pole piece from being broken.

Step 3), start the two clutch cylinders 5-3 fixed on both sides of the frame 9 and arranged oppositely, so that the crimping active cylinder 5-1 and the crimping passive cylinder 5-2 move toward each other until they mesh with each other, and close the two clutches Cylinder 5-3: Paste the head of the discarded pole piece 8 that is unfolded on the crimping active cylinder 5-1 and crimping passive cylinder 5-2 that are in the meshed state.

Preferably, the curling driving cylinder 5-1 includes a driving gear 5-1-1 fixedly sleeved on the outer circumference of the piston rod of the clutch cylinder 5-3, and the driving gear 5-1-1 is close to the inner cavity side of the frame 9 The active curling rod 5-1-2 is fixedly connected with the piston rod of the clutch cylinder 5-3 and has a tapered outer peripheral surface. 1-3. The corrugations 5-1-3 are straight, cross-shaped, or quincunx-shaped, and the shape of the corrugations 5-1-3 is not a limitation of the present invention. The tapered angle θ of the active curling rod 5-1-2 is 35°.

The crimped driven cylinder 5-2 includes a driven gear 5-2-1 fixedly sleeved on the outer circumference of the piston rod of the clutch cylinder 5-3, and the driven gear 5-2-1 is fixedly connected to a side close to the inner cavity of the frame 7. A passive crimping rod 5-2-2 that is fixedly connected to the piston rod of the clutch cylinder 5-3 and has a tapered outer peripheral surface. 3 matching grooves 5-2-3. The tapered angle θ of the passive crimping rod 5-2-2 is 35°.

Each clutch cylinder 5-3 piston rod near the cylinder head is provided with a first bearing 5-5 for bearing the bearing capacity of the crimping active cylinder 5-1 or crimping passive cylinder 5-2. The piston rod of the cylinder 5-3 is far away from the cylinder cover and is provided with a second bearing 5-6 for increasing the bearing length; the bottom end of each clutch cylinder 5-3 and the outer circumference of each first bearing 5-5 Each is provided with a support 5-4 on the frame 9, and each support 5-4 extends to the second bearing 5-4 in a cylindrical shape A along the axis direction of the corresponding second bearing 5-6. 6. Outer circumference, an annular gap 5-9 is provided between each said support 5-4 and the piston rod of the clutch cylinder 5-3; A first notch 5-1-4 matching the cylindrical shape A is provided, and a second groove matching the cylindrical shape A is provided inside the driven gear 5-2-1 and the passive curling rod 5-2-2 Port 5-2-4, so that when the piston rod of the clutch cylinder 5-3 is retracted, the curling active cylinder 5-1 or the curling driven cylinder 5-2 can be sleeved on the outer periphery of the cylindrical shape A.

A first bearing 5-5 and a second bearing 5-6 for improving the bearing capacity are respectively sleeved at one end of the piston rod of each clutch cylinder 5-3 near the cylinder head and one end away from the cylinder head, and the first bearing 5-5 1. The gap fit is adopted between the second bearing 5-6 and the piston rod of the clutch cylinder 5-3, which not only does not affect the extension or retraction of the piston rod inside the bearing, but also ensures that the coiling of the active cylinder 5-1 and the passive cylinder 5 -2, and the joint rotation state of the clutch cylinder 5-3 piston rod, the first bearing 5-5 and the second bearing 5-6 can cooperate with the clutch cylinder piston rod to rotate together; The passive cylinder 5-2 is hollowed out to form the first notch 5-1-4 and the second notch 5-2-4, so that the first notch 5-1-4 and the second notch 5-2-4 are shaped Respectively matched with the cylindrical A support on the outer periphery of the second bearing 5-6, so that the crimping active cylinder 5-1 or the crimping passive cylinder 5-2 can be sleeved on the outer periphery of the cylindrical A support, which not only reduces the curling Active cylinder 5-1, curl passive cylinder 5-2 weight, thereby alleviate the bearing capacity of each clutch cylinder 5-3 piston rod, but also shorten the telescopic length of each clutch cylinder 5-3 piston rod.

Step 4), start the driving motor 5-7, the driving motor 5-7 drives the driving gear 5-8 to rotate continuously, the driving gear 5-8 drives the crimping active cylinder 5-1 and the crimping driven cylinder 5-2 in the meshing state, and The piston rods of the corresponding clutch cylinders 5-3 rotate continuously together to wind up the waste pole piece 8 into an inverted spindle-shaped roll material 10. After the waste pole piece 8 is finished winding, the drive motor 5-7 is turned off.

Described drive motor 5-7 adopts the frequency conversion speed regulation motor that can carry out frequency modulation according to setting coiling speed.

Step 5), start the two clutch cylinders 5-3 again, so that the crimping active cylinder 5-1 and the crimping passive cylinder 5-2 go opposite to each other to the coil material 10 from the crimping active cylinder 5-1 and the crimping passive cylinder 5-2 Go up and disengage, close two clutch cylinders 5-3.

Step 6), the coiled material 10 falls to the slope 6-2 of the compression mechanism 6 under the action of gravity, and then slides onto the bottom plate 6-3 in the casing 6-1, and the bottom plate 6-3 is pressed down by the gravity of the coiled material 10 Under the joint action of the upward support of the inserted support block 6-9, it turns around the rotating shaft 6-8 into a horizontally arranged state.

The compression mechanism 6 includes a housing 6-1 with a mouth-shaped cross section, and a slope 6-2 that is inclined upward and located directly below the crimping mechanism 5 extends from the top side of the housing 6-1. -1 The inner cavity is provided with a bottom plate 6-3 for receiving the coil material 10 that slides down from the slope 6-2, and is connected with the housing 6-1 through the rotating shaft 6-8, and the opposite sides of the housing 6-1 And the support block 6-9 that can be pulled out or plugged in is embedded at the bottom surface of the bottom plate 6-3, so that when the support block 6-9 is inserted, the bottom plate 6-3 is horizontally arranged under the gravity of the coil material 10 , when the support block 6-9 is drawn out, the bottom plate 6-3 is turned around the rotating shaft 6-8 under the gravity of the coil material 10 to be vertically arranged.

The horizontally arranged bottom plate 6-3 is suspended with a lower pressing plate 6-4 that can compact the coil material 10 up and down by cooperating with the bottom plate 6-3 through up and down reciprocating motion. The horizontally arranged bottom plate 6-3 The upper surface is provided with a flat pressing plate 6-6 capable of horizontally compacting the coil material 10 through horizontal reciprocating motion and the bottom plate 6-3; the upper surface of the lower pressing plate 6-4 is fixedly connected with a A downward pressure cylinder 6-5 that reciprocates up and down. The side of the flat pressing plate 6-6 is fixedly connected with a flat pressing cylinder 6-6 that is used to push the flat pressing plate 6-6 to perform horizontal reciprocating motion and passes through the outer side of the housing 6-1. 7. The bottom of the casing 6-1 is provided with a transfer hole 6-10 for pulling out or pushing the transfer trolley 7.

In addition, the dust removal in the housing 6-1 is realized by connecting the dust removal pipe 6-11 provided on the housing 6-1 with an external vacuum cleaner. The dust removal pipe 6-11 is connected with the external vacuum cleaner connecting pipe, and when the compression mechanism 6 is working, it plays a role of dust removal. Although there is no cutting operation in the whole compression process and less dust and metal shavings are generated, the present invention is still equipped with dust removal pipes 6-11 to prevent dust from polluting the workshop environment, so the entire compression mechanism 6 is very environmentally friendly and can meet the needs of lithium batteries. Production workshop requirements for environmental cleanliness.

Step 7), the lower pressing plate 6-4 reciprocates up and down under the push of the lower pressing cylinder 6-5, presses the coil material 10 up and down, and the flat pressing plate 6-6 performs horizontal reciprocating movement under the push of the flat pressing cylinder 6-7, The coiled material 10 is compressed horizontally, thereby the coiled material 10 is compressed into a compact coiled block 11 (not shown in the figure); the lower pressing plate 6-4 moves up to the Above the housing 6-1, the flat pressing plate 6-6 moves horizontally to the edge of the housing 6-1 under the retraction of the piston rod of the flat pressing cylinder 6-7.

Step 8), pull out the support block 6-9 from the housing 6-1, and the bottom plate 6-3 is turned around the rotating shaft 6-8 under the gravity of the tight roll block 11 to be vertically arranged; the tight roll block 11 Fall into the transfer dolly 7 provided at the bottom of the housing 6-1.

The transfer trolley 7 includes a car bucket 7-1 for loading compact rolls 11, the bottom four corners of the car bucket 7-1 are provided with casters 7-2, and one side of the car bucket 7-1 is provided with a A front baffle 7-3 forming a sealing structure with the transfer hole 6-9, and a handle 7-4 is arranged on the outside of the front baffle 7-3. The function of the front baffle plate 7-3 is to form a seal with the transfer hole 6-10 below the housing 6-1 to prevent coil materials and debris from splashing down.

In step 9), the transfer trolley 7 is pulled out from the transfer hole 6-10 on the housing 6-1, and the compact coil block 11 is transported away.

The present invention compresses the coil material detached from the crimping active cylinder and the crimping passive cylinder to form a compact coil block, which is convenient for transportation, and the entire compression process does not generate dust and metal shavings, which meets the environmental cleanliness of the lithium battery production workshop requirements.

The above-mentioned embodiment is a preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above-mentioned embodiment, and any other changes, modifications, substitutions, combinations, Simplification should be equivalent replacement methods, and all are included in the protection scope of the present invention.

Claims (10)

1. A method for removing waste pole pieces on a reel, comprising the steps of: Step 1), setting up the reel (1) with the discarded pole piece (8) wound on the frame (9); Step 2), unfolding the discarded pole piece (8), passing through the first passing roller (2), the tension floating roller (3), and the second passing roller (4) arranged parallel to the reel (1) in sequence; Step 3), activate two clutch cylinders (5-3) fixed on both sides of the frame (9) and arranged oppositely, so that the crimping active cylinder (5-1) and the crimping passive cylinder (5-2) move toward each other To engage with each other, close the two clutch cylinders (5-3); paste the head of the discarded pole piece (8) on the crimped active cylinder (5-1) and crimped passive cylinder (5-2) in the engaged state with adhesive tape )superior; Step 4), start the driving motor (5-7), the driving motor (5-7) drives the driving gear (5-8) to rotate continuously, and the driving gear (5-8) drives the crimping driving cylinder (5-1 ), the crimping passive cylinder (5-2), and the corresponding clutch cylinder (5-3) piston rod rotate continuously together to wind up the discarded pole piece (8) into an inverted spindle-shaped roll material (10), and wait for the discarded pole piece After the sheet (8) is finished winding, turn off the driving motor (5-7); Step 5), start two clutch cylinders (5-3) again, make crimping active cylinder (5-1) and crimping passive cylinder (5-2) go opposite to each other to roll material (10) from crimping active cylinder (5-5) -1) and the crimping cylinder (5-2) are disengaged, and the two clutch cylinders (5-3) are closed; Step 6), the coil material (10) falls to the slope (6-2) of the compression mechanism (6) under the action of gravity, and then slides onto the bottom plate (6-3) in the housing (6-1), the bottom plate (6-3) under the combined action of the coil material (10) being pressed down by gravity and the inserted support block (6-9) being supported upwards, it is turned around the rotating shaft (6-8) into a horizontally arranged state; Step 7), the lower pressing plate (6-4) reciprocates up and down under the promotion of the lower pressing cylinder (6-5), and the coil material (10) is pressed up and down, and the flat pressing plate (6-6) is pressed against the flat pressing cylinder (6-5). -7) Under the push, carry out horizontal reciprocating motion to compress the coil material (10) horizontally, thereby compressing the coil material (10) into a compact coil block (11); the lower pressing plate (6-4) presses the cylinder (6) -5) Driven by the retraction of the piston rod, it moves upward to the top of the casing (6-1), and the flat pressing plate (6-6) moves horizontally to the casing under the retraction of the piston rod of the flat pressure cylinder (6-7). (6-1) edge; Step 8), pull out the supporting block (6-9) from the casing (6-1), and the bottom plate (6-3) is turned around the rotating shaft (6-8) under the gravity of the compact roll block (11) Vertically arranged state; the tight roll block (11) falls into the transfer trolley (7) provided at the bottom of the casing (6-1); Step 9), the transfer trolley (7) is pulled out from the transfer hole (6-10) on the casing (6-1), and the compact coil block (11) is transported away. 2. The method for removing waste pole pieces on the reel according to claim 1, characterized in that: in step 2), the tension floating roller (3) inputs the tension set by the system to the electric proportional valve (3-4 ), the electric proportional valve (3-4) adjusts the air pressure according to the tension electric signal received, respectively controls the air pressure of the floating cylinder (3-3) fixedly connected to the upper end of the floating connection block (3-2), so that the connection between the two The floating roller (3-1) between the two floating connection blocks (3-2) obtains the tension set by the system. 3. The method for removing waste pole pieces on the reel according to claim 1, characterized in that: in step 3), the crimping active cylinder (5-1) includes a fixed sleeve set on the clutch cylinder (5-3) The driving gear (5-1-1) on the outer circumference of the piston rod, the driving gear (5-1-1) is fixedly connected with the piston rod of the clutch cylinder (5-3) near the inner cavity side of the frame (9) , and an active crimping rod (5-1-2) with a tapered outer peripheral surface, the tapered top surface of the active crimping rod (5-1-2) is provided with a convex corrugation (5-1-3); the curling The driven cylinder (5-2) includes a driven gear (5-2-1) fixedly sleeved on the outer circumference of the piston rod of the clutch cylinder (5-3), and the driven gear (5-2-1) is close to the frame (9) One side of the inner cavity is fixedly connected with the piston rod of the clutch cylinder (5-3) and the passive curling rod (5-2-2) whose outer peripheral surface is tapered, the passive curling rod (5-2-2) The conical top surface is provided with grooves (5-2-3) matching with the corrugations (5-1-3). 4. The method for removing waste pole pieces on the reel according to claim 3, characterized in that: each of the clutch cylinder (5-3) piston rods near the cylinder head is provided with a gap between the ends of the cylinder head to bear the curling of the active cylinder. (5-1) or the first bearing (5-5) of the crimped passive cylinder (5-2) bearing capacity, and each said clutch cylinder (5-3) piston rod is away from the end of the cylinder head and is provided with a gap sleeve for improving The second bearing (5-6) of carrying length; each described clutch cylinder (5-3) bottom end and each described first bearing (5-5) outer circumference are all provided with and are positioned at the frame (9) Supports (5-4), and each of the supports (5-4) extends to the second bearing (5-6) along the axis direction of the corresponding second bearing (5-6) and in a cylindrical shape (A). 6) Outer circumference, an annular gap (5-9) is provided between each said support (5-4) and the piston rod of the clutch cylinder (5-3); said driving gear (5-1-1) and The inside of the active crimping rod (5-1-2) is provided with a first notch (5-1-4) matching the cylindrical shape (A), and the passive gear (5-2-1) and the passive crimping rod ( 5-2-2) A second notch (5-2-4) matching the cylinder (A) is provided inside, so that when the piston rod of the clutch cylinder (5-3) is retracted, the curling main cylinder (5 -1) or the curled passive cylinder (5-2) can be sleeved on the outer periphery of the cylindrical shape (A). 5. The method for removing waste pole pieces on a reel according to claim 4, characterized in that: said corrugation (5-1-3) is in a straight line, or a cross shape, or a quincunx shape. 6. The method for removing waste pole pieces on the reel according to claim 4, characterized in that: the taper angle of the active crimping rod (5-1-2) and the passive crimping rod (5-2-2) θ ranges from 20° to 45°. 7. The method for removing waste pole pieces on the reel according to claim 1, characterized in that: in step 4), the drive motor (5-7) adopts a frequency conversion regulator capable of frequency modulation according to the set winding speed. speed motor. 8. The method for removing waste pole pieces on the reel according to claim 1, characterized in that: in step 6), the compression mechanism (6) includes a housing (6-1) with a mouth-shaped cross section, the The top side of the casing (6-1) is extended with a slope (6-2) inclined upwards and located directly below the curling mechanism (5). The inner cavity of the casing (6-1) is provided with a (6-2) the coil material (10) that slides down, and the bottom plate (6-3) connected with the housing (6-1) through the rotating shaft (6-8), the housing (6-1) is opposite Support blocks (6-9) that can be pulled out or plugged in are embedded on both sides and at the bottom surface of the bottom plate (6-3), so that when the support blocks (6-9) are inserted, the bottom plate (6-3) It is arranged horizontally under the gravity of the coil (10), and when the support block (6-9) is pulled out, the bottom plate (6-3) turns vertically around the rotating shaft (6-8) under the gravity of the coil (10) Arrangement; the bottom plate (6-3) arranged horizontally is suspended above the bottom plate (6-3), and the lower pressing plate (6-4) can be used to compact the coil material (10) up and down by cooperating with the bottom plate (6-3) through up and down reciprocating motion , the upper surface of the horizontally arranged bottom plate (6-3) is provided with a flat pressing plate (6-6) capable of horizontally compacting the coil material (10) through horizontal reciprocating motion and the bottom plate (6-3); The upper surface of the lower pressing plate (6-4) is fixedly connected with a lower pressing cylinder (6-5) for pushing the lower pressing plate (6-4) to reciprocate up and down, and the side of the flat pressing plate (6-6) is fixedly connected with a Push the flat pressing plate (6-6) to perform horizontal reciprocating motion and pass through the flat pressing cylinder (6-7) outside the housing (6-1); the bottom of the housing (6-1) is provided with a Advance the transfer hole (6-10) of the transfer trolley (7). 9. The method for removing waste pole pieces on the reel according to claim 8, characterized in that: the transfer trolley (7) includes a bucket (7-1) for loading compact rolls (11), The four corners of the bottom end of the bucket (7-1) are provided with casters (7-2), and one side of the bucket (7-1) is provided with a front baffle capable of forming a sealing structure with the transfer hole (6-10) (7-3), a handle (7-4) is provided on the outer side of the front baffle (7-3). 10. The method for removing waste pole pieces on the reel according to claim 9, characterized in that: the dust removal in the housing (6-1) passes through the dust removal pipe ( 6-11) Realized by connecting with an external vacuum cleaner.

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