CN112670557A

CN112670557A - Lithium battery pelleter

Info

Publication number: CN112670557A
Application number: CN202011645349.2A
Authority: CN
Inventors: 江军发; 吴飞明
Original assignee: Dongguan Xinzeyuan Intelligent Technology Co ltd
Current assignee: Dongguan Xinzeyuan Intelligent Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-04-16

Abstract

The invention discloses a lithium battery pelleter which comprises a rack, and a pole piece unreeling mechanism, a pole piece reeling mechanism, a pole lug rolling and rubberizing cutting mechanism, a welding mechanism and a welding part rolling and rubberizing paper mechanism which are assembled on the rack. Pole piece strips unreeled by the pole piece unreeling mechanism are assembled on the pole piece reeling mechanism after passing through the welding mechanism and the welding position adhesive tape rolling mechanism, the pole lug adhesive tape rolling cutting mechanism rolls and adheres adhesive tape sections wrapping the pole lug strips on the pole lug strips, and the pole lug adhesive tape rolling cutting mechanism also cuts the pole lug strips into pole lug sections wrapped by the adhesive tape sections; the welding mechanism welds the pole lug section on the pole piece strip, the glue paper rolling and sticking mechanism rolls and sticks glue paper at the welding position of the pole piece strip and the pole lug section, and the pole piece rolling mechanism rolls the pole piece strip together with the pole lug section and the glue paper. The lithium battery pelleter has the advantage of high production efficiency.

Description

Lithium battery pelleter

Technical Field

The invention relates to the field of lithium batteries, in particular to a lithium battery pelleter.

Background

With the continuous development of economy and the continuous progress of society, various substance consumer goods are provided for the production and the life of people, and a lithium battery is one of the substance consumer goods

As is well known, lithium batteries are widely used in electronic products, electric vehicles or new energy vehicles, and are becoming more and more popular

The production method comprises the steps of manufacturing a lithium battery, cutting a tab strip into sections, welding the tab sections to a tab strip, pasting adhesive paper on the welding position, and winding the tab strip, the tab section and the adhesive tape section together.

However, in the existing lithium battery production equipment, due to the unreasonable design, the time for pasting the adhesive tape sections and the adhesive paper at the welding positions of the tab strips is long, so that the production efficiency of the existing lithium battery production equipment is low.

Therefore, a lithium battery pelleter with high production efficiency is needed to overcome the above defects.

Disclosure of Invention

The invention aims to provide a lithium battery pelleter with high production efficiency.

In order to achieve the purpose, the lithium battery pelleter comprises a rack, and a pole piece unreeling mechanism, a pole piece reeling mechanism, a pole lug rolling and rubberizing cutting mechanism, a welding mechanism and a welding part rolling and rubberizing paper mechanism which are assembled on the rack. Pole piece strip that pole piece unwinding mechanism unreeled passes through assembly behind welding mechanism and the welding department roll rubberizing paper mechanism in pole piece winding mechanism, utmost point ear rolls the rubberizing and cuts the mechanism and rolls the sticky tape section of pasting this utmost point ear strip on utmost point ear strip, utmost point ear rolls rubberizing and cuts the mechanism still will utmost point ear strip cuts out the utmost point ear section of being wrapped by this sticky tape section, welding mechanism will utmost point ear section weld in on the utmost point strip, the welding department rolls rubberizing paper mechanism and is in the utmost point ear strip rolls out the adhesive tape with the welding department of utmost point ear section, pole piece winding mechanism will the pole piece strip rolls together with utmost point ear section and adhesive tape.

Preferably, the pole piece unwinding mechanism is located on one of the left side and the right side of the frame, the pole piece winding mechanism is located on the other of the left side and the right side of the frame, the tab rolls the rubberizing and cuts mechanism, the welding mechanism and the welding position roll the rubberizing paper mechanism and respectively follow the left and right directions of the frame and are located between the pole piece unwinding mechanism and the pole piece winding mechanism, the tab rolls the rubberizing and cuts mechanism and the welding position roll the rubberizing paper mechanism and respectively follow the front and back direction of the frame and extend.

Preferably, the lithium battery pelleter of the invention further comprises a lateral tabletting mechanism for laterally compressing the pole pieces in the coiling process of the pole piece coiling mechanism, and a first automatic tightness adjusting mechanism and a second automatic tightness adjusting mechanism which are installed on the frame and used for automatically adjusting the tightness of the pole pieces, wherein the first automatic tightness adjusting mechanism is positioned between the welding mechanism and the adhesive tape rolling mechanism at the welding position along the left-right direction of the frame, the second automatic tightness adjusting mechanism is positioned between the adhesive tape rolling mechanism at the welding position and the pole piece coiling mechanism along the left-right direction of the frame, and the lateral tabletting mechanism is installed on the frame and positioned beside the pole piece coiling mechanism.

Preferably, the tab rolling adhesive cutting mechanism comprises a mechanism frame body, an adhesive tape unreeling device, an adhesive tape drawing device, a cutting and laminating device, a tab unreeling device, a rolling and laminating device, a tab drawing device and a tab cutting device, wherein the mechanism frame body is installed on the machine frame and extends along the front-back direction of the machine frame, the cutting and laminating device, the rolling and laminating device, the tab drawing device and the tab cutting device are sequentially assembled on the mechanism frame body along the direction from back to front of the machine frame, the welding mechanism is positioned in front of the tab cutting device, the adhesive tape drawing device and the adhesive tape unreeling device are respectively installed on the mechanism frame body and positioned on the left side of the cutting and laminating device, the tab unreeling device is assembled on the mechanism frame body and positioned on the back side of the cutting and laminating device, tab strips unreeled by the tab unreeling device are conveyed to the tab cutting device under the traction of the tab drawing device, the adhesive tape strip unreeled by the adhesive tape unreeling device stretches across the tab strip under the traction of the adhesive tape traction device, the cutting and laminating device cuts off the adhesive tape section stretching across the tab strip and enables the adhesive tape section to be adhered to the tab strip dragged and conveyed by the tab traction device, the rolling and adhering device sequentially blows and rolls two free ends of the adhesive tape section on the tab strip to wrap the tab strip, and the tab cutting device cuts off the tab strip dragged and conveyed by the tab traction device into tab sections wrapped by the adhesive tape section.

Preferably, the tape unwinding device comprises a hanging disc and a plurality of guide rollers which are arranged along the left and right directions of the frame at intervals; sticky tape tractive device contains lift driver, lift slide, controls the driver, controls the slide, joins in marriage the briquetting down, goes up to join in marriage the briquetting and push down the driver, the lift slide is followed the direction of height of frame is slided and is located mechanism's support body, the lift driver assemble in the lift slide with on the mechanism's support body, control the slide and follow the direction of controlling of frame is slided and is located the lift slide, control the driver assemble in the lift slide with control the slide, down join in marriage the briquetting with control slide fixed connection, it is located to go up to join in marriage the briquetting under directly over the briquetting, push down the driver assemble in on join in marriage the briquetting with control on the slide.

Preferably, the lower pressure-distributing block is provided with an air outlet row inclined towards the upper right and an air channel communicated with the air outlet row.

Preferably, the cutting and pressing device comprises a butting block butted with the tab strip, main pressing blocks aligned with each other along the height direction of the rack, and a tightness driver for driving the main pressing blocks to be in tightness fit with the butting block, and the main pressing blocks are assembled at the output end of the tightness driver; the tab unreeling device comprises a hanging disc positioned above the cutting and pressing device, a rotary driver used for driving the hanging disc to rotate, a plurality of guide rollers used for winding the tab strips and separating the tab strips from each other, and a tightness adjusting assembly used for adjusting the tightness of the tab strips.

Preferably, the rolling device includes a bearing seat, a pressing head, a pressing driver, a rolling head, and a reciprocating driver for driving the rolling head to slide on the bearing seat in a reciprocating manner along the left and right directions of the rack, the bearing seat is provided with a first blowing hole row and a second blowing hole row which are arranged at a distance from each other along the left and right directions of the rack and are not communicated with each other, the first blowing hole row and the second blowing hole row penetrate through the bearing seat along the height direction of the rack, a gap for the tab strip to pass through is defined between the first blowing hole row and the second blowing hole row, the pressing head is aligned with the bearing seat along the height direction of the rack and is assembled at the output end of the pressing driver, the rolling head is located between the bearing seat and the pressing head along the height direction of the rack, and the rolling head is aligned with the bearing seat, the rolling head is also staggered with the abutting head, and the rolling head is assembled at the output end of the reciprocating driver.

Preferably, the bearing seat is located between the rolling head and the output end of the reciprocating driver along the height direction of the machine frame, and the output end of the reciprocating driver is connected with the rolling head in an assembling mode through a connecting support.

Preferably, the tab pulling device includes a pulling motor, a pulling carriage, a pulling press block, and a pressing driver, the pulling carriage is slidably disposed on the mechanism frame body along the front-back direction of the frame, the pulling motor drives a lead screw and a nut to cooperate to drive the pulling carriage to slide, the pressing driver is mounted on the pulling carriage with an output end facing downward, the pulling press block is assembled at an output end of the pressing driver, and the pulling press block presses the tab strip against the pulling carriage under the driving of the pressing driver.

Compared with the prior art, the lithium battery pelleter comprises a rack, and a pole piece unreeling mechanism, a pole piece reeling mechanism, a pole lug rolling and gluing cutting mechanism, a welding mechanism and a welding position rolling and gluing paper mechanism which are assembled on the rack, wherein a pole piece strip unreeled by the pole piece unreeling mechanism is assembled on the pole piece reeling mechanism after passing through the welding mechanism and the welding position rolling and gluing paper mechanism; therefore, by means of the cooperation of the pole piece unreeling mechanism, the pole piece reeling mechanism, the pole lug rolling and gluing cutting mechanism, the welding mechanism and the welding part rolling and gluing paper mechanism, the pole lug rolling and gluing cutting mechanism is combined to wrap the adhesive tape section of the pole lug strip on the pole lug strip in a rolling and gluing mode and enable the pole lug strip to cut the pole lug section wrapped by the adhesive tape section, and the welding part rolling and gluing paper mechanism is used for pasting the adhesive paper on the welding part of the pole lug strip and the pole lug section in a rolling and gluing mode, so that the lithium battery pelleter has the advantages of high speed and high production efficiency.

Drawings

Fig. 1 is a schematic perspective view of a lithium battery flaker according to the present invention when viewed from the front.

Fig. 2 is a schematic perspective view of a lithium battery pelleter of the present invention viewed from the rear.

Fig. 3 is a schematic perspective view of a tab rubberizing and cutting mechanism in a lithium battery pelleter of the present invention.

Fig. 4 is a schematic three-dimensional structure diagram of a tab unwinding device of a tab rubberizing and cutting mechanism in a lithium battery pelleter of the present invention.

Fig. 5 is a schematic perspective view of a tape unwinding device and a tape drawing device of a tab rubberizing and cutting mechanism of a lithium battery pelleter according to the present invention when mounted together.

Fig. 6 is a schematic perspective view of a roll-bonding device of a tab rubberizing and cutting mechanism in a lithium battery pelleter of the present invention.

Fig. 7 is a schematic perspective view of a tab pulling device of a tab rubberizing and cutting mechanism of a lithium battery pelleter according to the present invention.

Fig. 8 is a schematic perspective view of a support seat of a tab rubberizing and cutting mechanism in a lithium battery pelleter of the present invention.

Fig. 9 is a schematic view of the internal structure of the holder shown in fig. 8.

Fig. 10a to 10c are schematic views showing a state that the rolling head blows and rolls two free ends of the adhesive tape section at the tab strip on the supporting seat in sequence to wrap the tab strip.

Fig. 11 is a schematic structural view of a pole tab section welded on a pole piece strip.

Detailed Description

The preferred embodiments of the present invention will now be described with reference to the accompanying drawings, which are given by way of illustration.

Referring to fig. 1, fig. 2, fig. 10c and fig. 11, a lithium battery pelleter 1000 of the present invention includes a frame 200, and a tab roll-pasting cutting mechanism 100, a pole piece unreeling mechanism 300, a pole piece reeling mechanism 400, a welding mechanism 500 and a welding point roll-pasting gummed paper mechanism 600 assembled on the frame 200. The pole piece strip 800 unreeled by the pole piece unreeling mechanism 300 is assembled on the pole piece reeling mechanism 400 after passing through the welding mechanism 500 and the gummed paper rolling mechanism 600 at the welding position; the tab rolling and pasting glue cutting mechanism 100 rolls and pastes the adhesive tape section 920 wrapping the tab strip 910 on the tab strip 910, and the tab rolling and pasting glue cutting mechanism 100 also cuts the tab strip 910 into a tab section 910a wrapped by the adhesive tape section 920; the welding mechanism 500 welds the tab section 910a to the tab strip 800, the roll-on-tape mechanism 600 rolls off the tape at the welding position between the tab strip 800 and the tab section 910a, and the tab winding mechanism 300 winds up the tab strip 800 together with the tab section 910a and the tape. Specifically, in fig. 1, the pole piece unwinding mechanism 300 is located on the right side of the frame 200, the pole piece winding mechanism 400 is located on the left side of the frame 200, the tab rolling and rubberizing cutting mechanism 100, the welding mechanism 500 and the welding point rolling and rubberizing paper mechanism 600 are respectively located between the pole piece unwinding mechanism 300 and the pole piece winding mechanism 400 along the left-right direction of the frame 200, and the tab rolling and rubberizing cutting mechanism 100 and the welding point rolling and rubberizing paper mechanism 600 respectively extend along the front-back direction of the frame 200, so that the layout of the lithium battery pelleter 1000 of the present invention is designed to be more reasonable and compact. It should be noted that, according to actual needs, the pole piece unwinding mechanism 300 may be located on the right side of the frame 200, and the pole piece winding mechanism 400 is located on the left side of the frame 200, so that the present disclosure is not limited thereto. More specifically, the following:

as shown in fig. 1, the lithium battery pelleter 1000 of the present invention further includes a lateral sheet compressing mechanism 710 for laterally compressing the pole piece strips 800 being rolled by the pole piece rolling mechanism 400, and a first automatic tightness adjusting mechanism 720 and a second automatic tightness adjusting mechanism 730 mounted on the frame 200 for automatically adjusting the tightness of the pole piece strips 800. The first automatic tightness adjusting mechanism 720 is positioned between the welding mechanism 500 and the gummed paper rolling mechanism 600 at the welding position along the left-right direction of the rack 200 and is used for adjusting the tightness of the position of the pole piece strip 800 between the welding mechanism 500 and the gummed paper rolling mechanism 600 at the welding position; the second automatic tightness adjusting mechanism 730 is located between the gummed paper rolling mechanism 600 and the pole piece winding mechanism 400 at the welding position along the left and right direction of the rack 200 and is used for adjusting the tightness of the pole piece strip 800 located between the gummed paper rolling mechanism 600 and the pole piece winding mechanism 400 at the welding position; the lateral pressing mechanism 710 is installed on the frame 200 and located beside the pole piece winding mechanism 400 to assist the winding of the pole piece strip 800 by the pole piece winding mechanism 400, so that the wound pole piece strip 800 is thicker. In order to more smoothly convey the pole piece strip 800 unwound by the pole piece unwinding mechanism 300 to the welding mechanism 500, an automatic unwinding tightness adjusting mechanism 740 is arranged between the welding mechanism 500 and the pole piece unwinding mechanism 300, and the automatic unwinding tightness adjusting mechanism 740 is mounted on the frame 200. In order to improve the automation degree of the lithium battery pelleter 1000 of the invention, the lithium battery pelleter 1000 of the invention further comprises a controller 750, and the controller 750 is electrically connected with the pole piece unreeling mechanism 300, the pole piece reeling mechanism 400, the unreeling tightness automatic adjusting mechanism 740, the first tightness automatic adjusting mechanism 720, the second tightness automatic adjusting mechanism 730, the welding mechanism 500, the welding position adhesive tape rolling and sticking mechanism 600 and the tab adhesive tape rolling and cutting mechanism 100 respectively. For example, the specific structure of the automatic roll tightness adjusting mechanism 740, the first automatic tightness adjusting mechanism 720 and the second automatic tightness adjusting mechanism 730 may include, but is not limited to, an air cylinder and an adjusting guide roller driven by the air cylinder to slide back and forth along the height direction of the rack 200; in addition, the lateral sheeting mechanism 710 may be a rotating swing frame structure.

Referring to fig. 3 and 10a, the tab rolling adhesive cutting mechanism 100 includes a mechanism frame 10, an adhesive tape unwinding device 20, an adhesive tape pulling device 30, a cutting and pressing device 40, a tab unwinding device 50, a rolling device 60, a tab pulling device 70, and a tab cutting device 80. The mechanism frame 10 is installed on the frame 200 and extends in the front-rear direction of the frame 200; the cutting and laminating device 40, the rolling and pasting device 60, the tab pulling device 70 and the tab cutting device 80 are sequentially assembled on the mechanism frame body 10 along the direction from back to front (namely, the opposite direction indicated by the arrow B) of the machine frame 200, and the mechanism frame body 10 provides a supporting function for the cutting and laminating device 40, the rolling and pasting device 60, the tab pulling device 70 and the tab cutting device 80; the welding mechanism 500 is located in front of the tab cutting device 80, the adhesive tape pulling device 30 and the adhesive tape unwinding device 20 are respectively mounted on the mechanism frame body 10 and located at the left side of the cutting and laminating device 40, and the tab unwinding device 50 is mounted on the mechanism frame body 10 and located at the rear side of the cutting and laminating device 40, so that the arrangement between them is more reasonable and compact, but not limited thereto. The tab strip 910 unreeled by the tab unreeling device 50 is transported to the tab cutting device 80 under the traction of the tab pulling device 70, the adhesive tape strip unreeled by the adhesive tape unreeling device 20 stretches across the tab strip 910 under the traction of the adhesive tape pulling device 30, the cutting and pressing device 40 cuts the adhesive tape section 920 of the adhesive tape strip stretching across the tab strip 910, and the adhesive tape section 920 is adhered to the tab strip 910 transported by the tab pulling device 70; the rolling and pasting device 60 blows and rolls the two free ends 921 of the adhesive tape section 920 on the tab strip 910 in sequence to wrap the tab strip 910, the state is shown in fig. 10 c; the tab cutting device 80 cuts the tab strip 910 pulled and conveyed by the tab pulling device 70 into tab segments 910a each of which is wrapped by the adhesive tape segment 920. More specifically, the following:

as shown in fig. 5, the tape unwinding device 20 includes a hanging tray 21 and a plurality of guide rollers 22 spaced apart from each other in the left-right direction of the frame 200; the tape pulling device 30 comprises a lifting driver 31, a lifting slide 32, a left driver 33, a right driver 34, a lower pressure-distributing block 35, an upper pressure-distributing block 36 and a lower pressure driver 37; the lifting slide 32 is slidably disposed on the mechanism frame 10 along the height direction of the frame 200 (i.e. the direction indicated by the arrow C), so that the lifting slide 32 can be lifted and slid on the mechanism frame 10; the lifting driver 31 is assembled on the lifting slide 32 and the mechanism frame 10, and provides driving power for lifting the lifting slide 32, preferably, the lifting driver 31 is a cylinder or an oil cylinder, but not limited thereto; the left and right sliding seats 34 are arranged on the lifting sliding seat 32 in a sliding way along the left and right directions of the mechanism 200, so that the left and right sliding seats 34 can slide left and right on the lifting sliding seat 32; the left and right drivers 33 are assembled on the lifting slide base 32 and the left and right slide bases 34, and provide power for the sliding of the left and right slide bases 34, preferably, the left and right drivers 33 are cylinders or oil cylinders, but not limited thereto; the lower pressure-matching block 35 is fixedly connected with the left and right sliding seats 34, so that the lower pressure-matching block 35 can slide left and right along with the left and right sliding seats 34; the upper pressure-matching block 36 is positioned right above the lower pressure-matching block 35 and is used for being in open-close fit with the lower pressure-matching block 35; the downward pressing driver 37 is assembled on the upper pressure-distributing block 36 and the left and right sliding seats 34, preferably, the downward pressing driver 37 is an air cylinder or an oil cylinder to provide power for the upward and downward sliding of the upper pressure-distributing block 36, and of course, the downward pressing driver 37 may be other drivers, so that the invention is not limited thereto. Specifically, in fig. 5, the lower pressure distribution block 35 is provided with an air outlet hole row 351 inclined to the upper right and an air passage 351 communicating with the air outlet hole row 35, so that the adhesive tape strip pulled by the adhesive tape pulling device 30 can be reliably stretched from below and abutted against the tab strip 910 being conveyed by the tab pulling device 70. It should be noted that the roll of tape is sleeved on the hanging plate 21.

As shown in fig. 5, the cutting and pressing device 40 includes an abutting block 41 abutting against the tab strip 910, main pressing blocks 42 aligned with each other in the height direction of the machine frame 200, and a tightening actuator 43 for driving the main pressing blocks 42 to be tightly fitted against the abutting block 41. The main pressing block 42 is mounted at the output end of the tensioner driver 43 to automatically cut the tape segment 920 and attach the tape segment 920 to the tab strip 910 from below. Specifically, the main pressing block 42 is located right below the abutting block 41, and correspondingly, the tightening/loosening driver 43 is located right below the main pressing block 42, so that the structure between the main pressing block and the main pressing block is more reasonable and compact, but not limited to this. For example, the elastic actuator 43 is a cylinder or a cylinder, but not limited thereto.

As shown in fig. 4, the tab unwinding device 50 includes a hanging disc 51 located above the cutting and pressing device 40, a rotary driver 52 for driving the hanging disc 51 to rotate, a plurality of guiding rollers 53 for winding the tab strips 910 and spaced apart from each other, and a tightness adjusting assembly 54 for adjusting tightness of the tab strips 910, which are designed to ensure reliability of unwinding and conveying of the tab strips 910. It should be noted that, since the slack adjuster 54 is well known in the art, it is not described herein in detail. In addition, the tab coil stock is sleeved on the suspension disc 51.

As shown in fig. 6, the rolling device 60 includes a support base 61, a pressing head 62, a pressing driver 63, a rolling head 64, and a reciprocating driver 65 for driving the rolling head 64 to slide on the support base 61 in a reciprocating manner along the left-right direction of the machine frame 200. The supporting seat 61 is provided with a first blowing hole row 611 and a second blowing hole row 612 which are arranged in a spaced manner along the left-right direction of the rack 200 and are not communicated with each other, that is, the first blowing hole row 611 and the second blowing hole row 612 work independently and do not interfere with each other; the first blowing hole row 611 and the second blowing hole row 612 penetrate through the supporting seat 61 along the height direction of the machine frame 200, and a gap 613 for the transmission and passing of the tab strip 910 is defined between the first blowing hole row 611 and the second blowing hole row 612, so that the tab strip 910 in transmission passes through the gap 613, and the first blowing hole row 611 and the second blowing hole row 612 are distributed outside the front side and the rear side of the tab strip 910 in transmission; the pressing head 62 is aligned with the bearing seat 61 along the height direction of the machine frame 200 and is assembled at the output end of the pressing driver 63, the rolling head 64 is positioned between the bearing seat 61 and the pressing head 62 along the height direction of the machine frame 200, the rolling head 64 is aligned with the bearing seat 61, the rolling head 64 is also dislocated with the pressing head 62, and the rolling head 64 is assembled at the output end of the reciprocating driver 65, as shown in fig. 6. Specifically, the bearer 61 is located between the rolling head 64 and the output end of the reciprocating driver 65 in the height direction of the machine frame 200, and the output end of the reciprocating driver 65 is connected with the rolling head 64 through a connecting bracket 66 in an assembling manner, so that the structure between them is more reasonable and compact. More specifically, in fig. 9, the support base 61 is further provided with a first air channel 614 and a second air channel 614 which are not communicated with each other, the first blowing hole row 611 is communicated with the first air channel 614, and the second blowing hole row 612 is communicated with the second air channel 615, so as to facilitate the control operation of the first blowing hole row 611 and the second blowing hole row 612. For example, the pressing driver 63 and the reciprocating driver 65 may be cylinders or cylinders, but not limited thereto.

The operation principle of the roll-on device 60 will be described with reference to fig. 10a to 10 c: in fig. 10a, the pressing head 62 is driven by the pressing driver 63 to press the tab strip 910 into the holding seat 61, and the pressed tab strip 910 is located at the gap 613; then, the air is blown into the first air blowing hole row 611, so that the air blown out from the first air blowing hole row 611 blows the front free end 221 of the adhesive tape section 920 attached to the tab strip 910 upwards; then, the rolling head 64 is driven by the reciprocating driver 65 to roll backwards, and the front free end 221 which blows upwards is rolled and stuck to the tab strip 910; after the reciprocating driver 65 drives the rolling head 64 to roll backwards to a position, as shown in fig. 10b, the second blowing hole row 612 is ventilated, so that the air blown by the second blowing hole row 612 blows the rear free end 221 of the adhesive tape segment 920 upwards; finally, during the process that the reciprocating driver 65 drives the rolling head 64 to roll forward and reset, the upward-blowing rear free end 221 is rolled to the tab strip 910, and the state is shown in fig. 10 c.

As shown in fig. 7, the tab pulling device 70 includes a pulling motor 71, a pulling carriage 72, a pulling press block 73, and a pressing driver 74. The drawing carriage 72 is slidably arranged on the mechanism frame body 10 along the front-back direction of the rack 200, so that the drawing carriage 72 can slide on the mechanism frame body 10 in the front-back direction; the traction motor 71 drives the screw rod 75 and the nut 76 to drive the traction carriage 72 to slide through matching, so that power is provided for sliding of the traction carriage 72, and the forward and backward sliding accuracy of the traction carriage 72 can be accurately controlled; the pressing driver 74 is arranged on the drawing carriage 72 with the output end facing downward, the drawing press block 73 is assembled at the output end of the pressing driver 74, the drawing press block 73 presses the tab strip 910 to the drawing carriage 72 under the driving of the pressing driver 74, and the purpose of conveying the tab strip 910 is achieved under the action of the drawing motor 71. Specifically, in fig. 7, the drawing carriage 72 is provided with a guide passage 721 through which the tab strip 910 is guided, so that the reliability of the tab strip 910 conveyance is ensured. For example, the pressing actuator 74 is a cylinder or a cylinder, but not limited thereto.

With reference to fig. 4 to 10c, the working principle of the polar ear rolling rubberizing cutting mechanism is explained: when the tab winding device is used, firstly, an operator sequentially penetrates the tab 910 unwound by the tab unwinding device 50 through the cutting and pressing device 40 and the rolling and pasting device 60 along the rack 200 from back to front, and then the tab is installed in the tab pulling device 70, and meanwhile, the operator installs the adhesive tape unwound by the adhesive tape unwinding device 20 in the adhesive tape pulling device 30 along the rack 200 from left to right; then, the tab strip 910 is conveyed to the tab cutting device 60 by the tab pulling device 70, and the adhesive tape strip is conveyed to the cutting and laminating device 40 by the adhesive tape pulling device 30; during the process that the tab pulling device 70 conveys the tab strip 910 to the tab cutting device 60, the adhesive tape pulling device 30 stretches the adhesive tape strip across the tab strip 910 from the lower part of the tab strip 910, and the cutting and pressing device 40 separates the stretched adhesive tape section 920 from the adhesive tape strip conveyed by the adhesive tape pulling device 30, and makes the separated adhesive tape section 920 adhere to the tab strip 910 from the lower part; the free ends 921 of the adhesive tape pieces 920 are sequentially air-blown and rolled by the rolling device 50 to surround the tab strips 910 from above, and as shown in fig. 10c, the tab cutting device 80 cuts the tab strips 910 fed by the tab pulling device 70 into tab segments 910a each surrounded by the adhesive tape pieces 920.

In the tab roll-pasting cutting mechanism 100, the adhesive tape unreeled by the adhesive tape unreeling device 20 is made to cross the tab strip 910 by means of the adhesive tape drawing device 30, the adhesive tape section 920 of the adhesive tape strip crossing the tab strip 910 is cut by the cutting and pressing device 40, and the adhesive tape section 920 is pasted to the tab strip 910 drawn and conveyed by the tab drawing device 70, in the process that the tab strip 910 is conveyed to the tab cutting device 80 by the tab drawing device 70, the roll-pasting device 60 blows and rolls two free ends 921 of the adhesive tape section 920 on the tab strip 910 in sequence to wrap the tab strip 910, and the tab cutting device 80 cuts the tab strip 910 drawn and conveyed by the tab drawing device 70 into tab sections 910a each wrapped by the adhesive tape section 920; therefore, the production consistency is good and the production efficiency is high.

Compared with the prior art, because the lithium battery pelleter 1000 of the invention comprises the frame 200, the pole piece unreeling mechanism 300 and the pole piece reeling mechanism 400 which are assembled on the frame 200, the tab rolling and pasting adhesive cutting mechanism 100, the welding mechanism 500 and the welding position rolling and pasting adhesive paper mechanism 600, a tab strip 800 unreeled by the tab unreeling mechanism 300 is assembled on the tab reeling mechanism 400 after passing through the welding mechanism 500 and the welding position rolling and pasting adhesive paper mechanism 600, the tab rolling and pasting adhesive tape section 920 wrapping the tab strip 910 is rolled on the tab strip 910 by the tab rolling and pasting adhesive cutting mechanism 100, a tab section 910a wrapped by the adhesive tape section 920 is cut out of the tab strip 910 by the tab rolling and pasting adhesive paper is rolled at the welding position of the tab strip 800 and the tab section 910a by the welding mechanism 500, the tab section 910a is welded on the tab strip 800 by the welding position rolling and pasting adhesive paper by the tab rolling and pasting adhesive paper together with the tab strip 800 and the tab section 910a by the tab reeling mechanism 400; therefore, by means of the cooperation of the pole piece unreeling mechanism 300, the pole piece reeling mechanism 400, the tab rolling and gluing cutting mechanism 100, the welding mechanism 500 and the welding position rolling and gluing paper cutting mechanism 600, the tab rolling and gluing cutting mechanism 100 is combined to roll and glue the adhesive tape section 920 of the tab strip 910 on the tab strip 910 and enable the tab strip 910 to cut the tab section 910a wrapped by the adhesive tape section 920, and the welding position rolling and gluing paper cutting mechanism 600 is used for rolling and gluing the adhesive paper on the welding position of the pole piece 800 and the tab section 910a, so that the lithium battery pelleter 1000 has the advantages of high speed and high production efficiency.

It should be noted that the direction indicated by the arrow a in the drawing is the direction from left to right of the rack 200, the direction indicated by the arrow B in the drawing is the direction from front to back of the rack 200, and the direction indicated by the arrow C in the drawing is the height direction of the rack 200.

The above disclosure is only a preferred embodiment of the present invention, which is convenient for those skilled in the art to understand and implement, and certainly not to limit the scope of the present invention, therefore, the present invention is not limited by the claims and their equivalents.

Claims

1. A lithium battery pelleter is characterized by comprising a frame, a pole piece unreeling mechanism, a pole piece reeling mechanism, a pole lug glue rolling and sticking cutting mechanism, a welding mechanism and a welding part glue rolling and sticking paper mechanism which are assembled on the frame, the pole piece strip unreeled by the pole piece unreeling mechanism is assembled on the pole piece reeling mechanism after passing through the welding mechanism and the adhesive tape rolling mechanism at the welding position, the tab rolling adhesive pasting cutting mechanism rolls and pastes an adhesive tape section wrapping the tab strip on the tab strip, the tab rolling adhesive pasting cutting mechanism also cuts the tab strip into tab sections wrapped by the adhesive tape section, the welding mechanism welds the pole lug joint on the pole piece strip, the glue paper rolling and sticking mechanism rolls and sticks glue paper at the welding position of the pole piece strip and the pole lug joint, and the pole piece rolling mechanism rolls the pole piece strip together with the pole lug joint and the glue paper.

2. The lithium battery pelleter of claim 1, wherein the pole piece unwinding mechanism is located one of the left side and the right side of the frame, the pole piece winding mechanism is located the other of the left side and the right side of the frame, the tab rolling and rubberizing cutting mechanism, the welding mechanism, and the welding position rolling and rubberizing paper mechanism are respectively located in the left-right direction of the frame between the pole piece unwinding mechanism and the pole piece winding mechanism, and the tab rolling and rubberizing cutting mechanism and the welding position rolling and rubberizing paper mechanism are respectively extended in the front-back direction of the frame.

3. The lithium battery pelleter of claim 2, further comprising a lateral pelleting mechanism for laterally compacting the pole pieces being rolled by the pole piece rolling mechanism, and a first automatic tightness adjusting mechanism and a second automatic tightness adjusting mechanism which are installed on the frame and used for automatically adjusting tightness of the pole pieces, wherein the first automatic tightness adjusting mechanism is located between the welding mechanism and the gummed paper rolling mechanism at the welding position along the left-right direction of the frame, the second automatic tightness adjusting mechanism is located between the gummed paper rolling mechanism at the welding position and the pole piece rolling mechanism along the left-right direction of the frame, and the lateral pelleting mechanism is installed on the frame and located beside the pole piece rolling mechanism.

4. The lithium battery pelleter of claim 2, wherein the tab rolling adhesive cutting mechanism comprises a mechanism frame body, an adhesive tape unreeling device, an adhesive tape drawing device, a cutting and laminating device, a tab unreeling device, a rolling and laminating device, a tab drawing device and a tab cutting device, the mechanism frame body is mounted on the frame and extends along the front-back direction of the frame, the cutting and laminating device, the rolling and laminating device, the tab drawing device and the tab cutting device are sequentially assembled on the mechanism frame body along the frame from the back to the front direction, the welding mechanism is located in front of the tab cutting device, the adhesive tape drawing device and the adhesive tape unreeling device are respectively mounted on the mechanism frame body and located on the left side of the cutting and laminating device, the tab unreeling device is mounted on the mechanism frame body and located on the back side of the cutting and laminating device, the tab strip unreeled by the tab unreeling device is conveyed to the tab cutting device under the traction of the tab traction device, the adhesive tape unreeled by the adhesive tape unreeling device stretches across the tab strip under the traction of the adhesive tape traction device, the cutting and laminating device cuts the adhesive tape section of the adhesive tape strip across the tab strip and enables the adhesive tape section to be stuck on the tab strip dragged and conveyed by the tab traction device, the rolling and sticking device blows and rolls two free ends of the adhesive tape section on the tab strip in sequence to wrap the tab strip, and the tab cutting device cuts the tab strip dragged and conveyed by the tab traction device into tab sections which are wrapped by the adhesive tape section.

5. The lithium battery pelleter of claim 4, wherein the tape unwinding device comprises a hanging disc and a plurality of guide rollers arranged at intervals in the left-right direction of the rack; sticky tape tractive device contains lift driver, lift slide, controls the driver, controls the slide, joins in marriage the briquetting down, goes up to join in marriage the briquetting and push down the driver, the lift slide is followed the direction of height of frame is slided and is located mechanism's support body, the lift driver assemble in the lift slide with on the mechanism's support body, control the slide and follow the direction of controlling of frame is slided and is located the lift slide, control the driver assemble in the lift slide with control the slide, down join in marriage the briquetting with control slide fixed connection, it is located to go up to join in marriage the briquetting under directly over the briquetting, push down the driver assemble in on join in marriage the briquetting with control on the slide.

6. The lithium battery pelleter of claim 5, wherein the lower pressure distributing block is provided with an air outlet row which is inclined towards the upper right and an air channel communicated with the air outlet row.

7. The lithium battery pelleter of claim 4, wherein the cutting and pressing device comprises abutting blocks abutting against the tab strips, main pressing blocks aligned with each other in the height direction of the rack, and a loosening and tightening driver for driving the main pressing blocks to be in loose fit with the abutting blocks, wherein the main pressing blocks are assembled at the output end of the loosening and tightening driver; the tab unreeling device comprises a hanging disc positioned above the cutting and pressing device, a rotary driver used for driving the hanging disc to rotate, a plurality of guide rollers used for winding the tab strips and separating the tab strips from each other, and a tightness adjusting assembly used for adjusting the tightness of the tab strips.

8. The lithium battery pelleter of claim 4, wherein the rolling device comprises a bearing seat, a pressing head, a pressing driver, a rolling head, and a reciprocating driver for driving the rolling head to slide on the bearing seat in a reciprocating manner along the left-right direction of the rack, the bearing seat is provided with a first blowing hole row and a second blowing hole row which are arranged at intervals along the left-right direction of the rack and are not communicated with each other, the first blowing hole row and the second blowing hole row penetrate through the bearing seat along the height direction of the rack, a gap for conveying the tab strip is defined between the first blowing hole row and the second blowing hole row, the pressing head is aligned with the bearing seat along the height direction of the rack and is assembled at the output end of the pressing driver, and the rolling head is located between the bearing seat and the pressing head along the height direction of the rack, the rolling head is aligned with the bearing seat and is also staggered with the abutting head, and the rolling head is assembled at the output end of the reciprocating driver.

9. The lithium battery pelleter of claim 8, wherein the bearing seat is located between the rolling head and the output end of the reciprocating drive along the height direction of the rack, and the output end of the reciprocating drive is in assembled connection with the rolling head through a connecting bracket.

10. The lithium battery pelleter of claim 4, wherein the tab pulling device comprises a pulling motor, a pulling carriage, a pulling press block and a pressing driver, the pulling carriage is slidably disposed on the mechanism frame body along the front-back direction of the frame, the pulling motor drives a lead screw and a nut to cooperate to drive the pulling carriage to slide, the pressing driver is mounted on the pulling carriage with an output end facing downward, the pulling press block is assembled at an output end of the pressing driver, and the pulling press block presses the tab strip against the pulling carriage under the driving of the pressing driver.