阅读说明：本技术 一种锂电池极片卷绕装置 (Lithium battery pole piece winding device ) 是由 李穷 李涛 于 2021-07-29 设计创作，主要内容包括：本发明公开了一种锂电池极片卷绕装置,包括卷绕机构和除尘机构,卷绕机构包括对称设置的两个安装板,安装板分别与转轴通过轴承连接,转轴上分别设有方型槽,其中一个安装板上固定有电机一,电机一的输出轴与靠近电机一的转轴固定连接,两个转轴之间设有收卷辊,收卷辊外对称套设有两个挡圈,挡圈靠近转轴的一端分别与固定套固定,收卷辊两端分别与方型轴固定,方型轴卡入方型槽内,除尘机构设置在卷绕机构一侧,除尘机构包括除尘筒,除尘筒两端分别安装有挡板,挡板上分别设有进料口和出料口,出料口靠近卷绕机构,除尘筒内固定安装有吸尘头,吸尘头通过吸尘管与抽风机连接。该锂电池极片卷绕装置可以方便拆卸收卷辊,且可以去除极片上的灰尘。(The invention discloses a lithium battery pole piece winding device, which comprises a winding mechanism and a dust removal mechanism, wherein the winding mechanism comprises two symmetrically arranged mounting plates, the mounting plates are respectively connected with a rotating shaft through bearings, square grooves are respectively arranged on the rotating shaft, the device comprises a mounting plate, a first motor, a first winding roller, a first square shaft, a first dust collection head, a first dust collection pipe, a first motor, a first winding pipe, a second winding pipe and a second dust collection pipe. This lithium battery pole piece take-up device can conveniently dismantle the wind-up roll, and can get rid of the dust on the pole piece.)

1. The utility model provides a lithium battery pole piece take-up device which characterized in that: the winding mechanism comprises two mounting plates which are symmetrically arranged, the mounting plates are respectively connected with a rotating shaft through bearings, square grooves are respectively arranged on the rotating shaft, one of the square grooves is fixedly arranged on the mounting plate, an output shaft of the first motor is fixedly connected with the rotating shaft close to the first motor, a winding roller is arranged between the rotating shafts, two check rings are symmetrically sleeved outside the winding roller, one ends of the check rings close to the rotating shaft are respectively fixed with a fixed sleeve, two ends of the winding roller are respectively fixed with the square shafts, the square shafts are clamped into the square grooves, the dust removal mechanism is arranged on one side of the winding mechanism, the dust removal mechanism comprises a dust removal cylinder, baffles are respectively arranged at two ends of the dust removal cylinder, a feed port and a discharge port are respectively arranged on the baffles, the discharge port is close to the winding mechanism, and traction roller sets are respectively arranged in the dust removal cylinder and positioned at the feed port and the discharge port, the dust collection device is characterized in that a dust collection head is fixedly mounted in the dust collection barrel and connected with an exhaust fan through a dust collection pipe, and the exhaust fan is arranged outside the dust collection barrel.

2. The lithium battery pole piece winding device of claim 1, wherein: mounting holes are respectively formed in the winding roller, the fixing sleeve, the square shaft and the rotating shaft, the winding roller, the fixing sleeve, the square shaft and the rotating shaft are respectively connected through bolts, and the bolts penetrate through the corresponding mounting holes.

3. The lithium battery pole piece winding device of claim 1, wherein: the motor I-shaped shaft winding device is characterized by further comprising a connecting shaft, wherein the connecting shaft sequentially penetrates through a rotating shaft, a square shaft and a winding roller which are far away from the motor I, the rotating shaft which is close to the motor I is far away from the motor I, a through hole is formed in the mounting plate, and the connecting shaft stretches into the rotating shaft from the through hole.

4. The lithium battery pole piece winding device of claim 3, wherein: the one end that motor one was kept away from to the connecting axle is equipped with the spacing groove, it has iron plate to embed on the spacing inslot wall, screw drive mechanism is installed to mounting panel one side, screw drive mechanism drives the slider and carries out the removal of horizontal direction, the slider upper end is fixed with L type pole, L type pole is fixed with the ejector pad, the ejector pad is close to the one end of connecting axle and is fixed with spacing electromagnetic plate, spacing electromagnetic plate and spacing groove looks adaptation.

5. The lithium battery pole piece winding device of claim 1, wherein: the winding roller is characterized in that two through holes are symmetrically formed in the check ring respectively, a cylinder is arranged on one side, away from the winding roller, of the mounting plate respectively, a piston rod of the cylinder is fixed with the mounting frame respectively, the mounting frame is connected with two pull rods through bearings respectively, one end, away from the mounting frame, of each pull rod is fixed with the clamping plate respectively, a driving chain wheel and a driven chain wheel are fixed on each pull rod respectively, a second motor is fixed on the mounting frame, an output shaft of the second motor is fixed with the driving chain wheel, and the driving chain wheel and the driven chain wheel are connected through an annular chain.

6. The lithium battery pole piece winding device of claim 1, wherein: the utility model discloses a dust removal device, including dust removal section of thick bamboo, baffle, driving gear, guide wheel, dust removal section of thick bamboo overcoat, the dust removal section of thick bamboo overcoat is equipped with encloses the deckle board, the baffle passes through the bearing with a dust removal section of thick bamboo respectively and is connected, the baffle is fixed with enclosing the deckle board through the connecting rod respectively, it is fixed with motor three on the deckle board inner wall to enclose, motor three's output shaft is fixed with the driving gear, the dust removal section of thick bamboo overcoat is established and is fixed with annular ring gear, the driving gear is connected with annular ring gear meshing, just be located the driving gear both sides and install the leading wheel more than three respectively on enclosing the deckle board inner wall, install the guided way with leading wheel looks adaptation on the dust removal section of thick bamboo outer wall, the leading wheel is installed respectively on the guided way.

7. The lithium battery pole piece winding device of claim 6, wherein: the dust collection device is characterized in that an annular fixed plate is arranged between the dust collection cylinder and the surrounding frame plate, the annular fixed plate is fixed to the surrounding frame plate, a cavity is formed in the annular fixed plate, an annular rotating plate is arranged at one end of the annular fixed plate, the annular rotating plate is connected with the annular fixed plate through a bearing, a rotating block is fixed to the annular rotating plate, the dust collection pipe penetrates through the rotating block and stretches into the cavity, and the air exhauster is communicated with the cavity.

Technical Field

The invention relates to the field of battery pole piece production, in particular to a lithium battery pole piece winding device.

Background

A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream. Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. The lithium ion battery is a rechargeable battery, which mainly depends on the movement of lithium ions between a positive pole and a negative pole to work, positive plates and negative plates in a battery core of the lithium ion battery are stacked in a staggered mode, and the positive plates and the negative plates are separated by a diaphragm to prevent short circuit, so that the processing of the battery pole pieces is an important ring in the field of battery production. Current lithium battery pole piece intelligence coiling mechanism, the wind-up roll is dismantled difficultly, and does not have the function of dust removal, and the pole piece can the adhesion dust in data send process, and the dust can influence the use of pole piece.

Disclosure of Invention

The invention aims to provide a lithium battery pole piece winding device which can conveniently disassemble a winding roller and can remove dust on a pole piece.

In order to achieve the purpose, the invention provides the following technical scheme:

a lithium battery pole piece winding device comprises a winding mechanism and a dust removal mechanism, wherein the winding mechanism comprises two mounting plates which are symmetrically arranged, the mounting plates are respectively connected with a rotating shaft through a bearing, square grooves are respectively arranged on the rotating shaft, a first motor is fixed on one of the mounting plates, an output shaft of the first motor is fixedly connected with the rotating shaft close to the first motor, a winding roller is arranged between the rotating shafts, two check rings are symmetrically sleeved outside the winding roller, one ends of the check rings close to the rotating shaft are respectively fixed with a fixed sleeve, two ends of the winding roller are respectively fixed with a square shaft, the square shaft is clamped into the square grooves, the dust removal mechanism is arranged on one side of the winding mechanism, the dust removal mechanism comprises a dust removal cylinder, baffle plates are respectively arranged at two ends of the dust removal cylinder, a feed inlet and a discharge outlet are respectively arranged on the baffle plates, and the discharge outlet is close to the winding mechanism, the dust collection device is characterized in that the traction roller sets are respectively installed at the feed inlet and the discharge outlet in the dust collection cylinder, a dust collection head is fixedly installed in the dust collection cylinder and is connected with an exhaust fan through a dust collection pipe, and the exhaust fan is arranged outside the dust collection cylinder.

Preferably, the winding roller and the fixing sleeve are respectively provided with a mounting hole on the square shaft and the rotating shaft, the winding roller and the fixing sleeve are respectively connected with the square shaft and the rotating shaft through bolts, and the bolts penetrate through the corresponding mounting holes.

Preferably, still include the connecting axle, the connecting axle runs through the pivot, the square shaft, the wind-up roll of keeping away from motor one in proper order, is close to the pivot of motor one, keeps away from the motor be equipped with the perforation on the mounting panel, the connecting axle stretches into in the pivot from the perforation.

Preferably, the one end that motor one was kept away from to the connecting axle is equipped with the spacing groove, it has iron plate to embed on the spacing inslot wall, screw drive mechanism is installed to mounting panel one side, screw drive mechanism drives the slider and carries out the removal of horizontal direction, the slider upper end is fixed with L type pole, L type pole is fixed with the ejector pad, the ejector pad is close to the one end of connecting axle and is fixed with spacing electromagnetic plate, spacing electromagnetic plate and spacing groove looks adaptation.

Preferably, the baffle is gone up respectively the symmetry and is equipped with two through-holes, one side that the wind-up roll was kept away from to the mounting panel is equipped with the cylinder respectively, the piston rod of cylinder is fixed with the mounting bracket respectively, the mounting bracket is connected through the bearing respectively with two pull rods, the one end that the mounting bracket was kept away from to the pull rod is fixed with splint respectively, be fixed with drive sprocket and driven sprocket on the pull rod respectively, be fixed with motor two on the mounting bracket, motor two's output shaft is fixed with drive sprocket, drive sprocket and driven sprocket pass through the annular chain and are connected.

Preferably, the dust removal section of thick bamboo overcoat is equipped with encloses the deckle board, the baffle passes through the bearing with a dust removal section of thick bamboo respectively and is connected, the baffle is fixed with enclosing the deckle board through the connecting rod respectively, it is fixed with motor three to enclose on the deckle board inner wall, motor three's output shaft is fixed with the driving gear, the dust removal section of thick bamboo overcoat is established and is fixed with annular ring gear, the driving gear is connected with annular ring gear meshing, enclose on the deckle board inner wall and be located the driving gear both sides and install the leading wheel more than three respectively, install the guided way with leading wheel looks adaptation on the dust removal section of thick bamboo outer wall, the leading wheel is installed respectively on the guided way.

Preferably, an annular fixed plate is arranged between the dust removing cylinder and the surrounding frame plate, the annular fixed plate is fixed to the surrounding frame plate, a cavity is formed in the annular fixed plate, an annular rotating plate is arranged at one end of the annular fixed plate, the annular rotating plate is connected with the annular fixed plate through a bearing, a rotating block is fixed to the annular rotating plate, the dust collecting pipe penetrates through the rotating block to stretch into the cavity, and the exhaust fan is communicated with the cavity.

Compared with the prior art, the invention has the beneficial effects that:

1) the wind-up roll passes through square axle block with the pivot, and the rethread connecting axle improves the concentricity, then utilizes the bolt to fix, convenient dismantlement.

2) The dust removal mechanism is arranged, dust can be removed 360 degrees around the pole piece, the dust removal quality is high, and the influence of dust on the use of the pole piece can be avoided.

Drawings

FIG. 1 is a schematic structural diagram of a lithium battery pole piece winding device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the winding mechanism in the embodiment of the present invention;

FIG. 3 is a plan view of a structure at a cylinder in the embodiment of the invention;

FIG. 4 is a side view of a retainer ring in an embodiment of the present invention;

FIG. 5 is a front view of the dust removing mechanism in the embodiment of the present invention;

FIG. 6 is a schematic view showing the internal structure of the dust removing mechanism in the embodiment of the present invention;

FIG. 7 is a front view of an annular retaining plate in an embodiment of the present invention;

FIG. 8 is a cross-sectional view taken along A-A of FIG. 7;

in the figure, 1, a mounting plate, 2, a rotating shaft, 3, a square groove, 4, a motor I, 5, a winding roller, 6, a retainer ring, 7, a fixing sleeve, 8, a square shaft, 9, a connecting shaft, 10, a perforation, 11, a limiting groove, 12, a bolt, 13, a screw rod transmission mechanism, 14, a sliding block, 15, an L-shaped rod, 16, a pushing block, 17, a limiting electromagnetic plate, 18, a through hole, 19, a cylinder, 20, a mounting frame, 21, a pull rod, 22, a driving sprocket, 23, a clamping plate, 24, a driven sprocket, 25, an annular chain, 26, a motor II, 27, a dust removal cylinder, 28, a baffle, 29, a feeding hole, 30, a discharging hole, 31, a traction roller set, 32, a surrounding frame plate, 33, a connecting rod, 34, a motor III, 35, a driving gear, 36, an annular gear ring, 37, a guide wheel, 38, a dust collection head, 39, a dust collection pipe, 40, an exhaust fan, 41, an annular fixing plate, a cavity, 43, a cavity, a dust collection pipe, a dust collection, Annular rotating plate 44 and rotating block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, a lithium battery pole piece winding device includes a winding mechanism and a dust removing mechanism, the winding mechanism includes two mounting plates 1 symmetrically disposed, the mounting plates 1 are respectively connected with a rotating shaft 2 through bearings, the two rotating shafts 2 are disposed at the same height, the central axis is the same straight line, and the rotating shafts 2 are respectively provided with a square groove 3. A first motor 4 is fixed on one mounting plate 1, and an output shaft of the first motor 4 is fixedly connected with a rotating shaft 2 close to the first motor 4. Be equipped with wind-up roll 5 between two pivots 2, wind-up roll 5 external symmetry cover is equipped with two retaining rings 6, and retaining ring 6 can prevent that the pole piece from off tracking at the rolling in-process. One end of the retainer ring 6 close to the rotating shaft 2 is respectively fixed with the fixed sleeve 7, the two ends of the wind-up roll 5 are respectively fixed with the square shaft 8, and the square shaft 8 is clamped in the square groove 3. The winding machine further comprises a connecting shaft 9, the connecting shaft 9 sequentially penetrates through the rotating shaft 2 far away from the motor I4, the square shaft 8, the winding roller 5 and the rotating shaft 2 close to the motor I4, the connecting shaft 9 can be in a cuboid shape, and holes for the connecting shaft 9 to penetrate through are respectively formed in the rotating shaft 2, the square shaft 8 and the winding roller 5. The mounting plate 1 far away from the motor is provided with a through hole 10, and the connecting shaft 9 extends into the rotating shaft 2 from the through hole 10. One end of the connecting shaft 9, which is far away from the motor I4, is provided with a limiting groove 11, and an iron plate is embedded in the inner wall of the limiting groove 11. Mounting holes are respectively formed in the winding roller 5, the fixed sleeve 7, the square shaft 8, the rotating shaft 2 and the connecting shaft 9, the connecting shaft 9 is connected with the winding roller 5, the fixed sleeve 7, the square shaft 8 and the rotating shaft 2 through bolts 12, and the bolts 12 penetrate through the corresponding mounting holes.

Screw rod drive mechanism 13 is installed to mounting panel 1 one side, and screw rod drive mechanism 13 drives slider 14 and carries out the removal of horizontal direction, and slider 14 upper end is fixed with L type pole 15, and L type pole 15 is fixed with ejector pad 16, and the ejector pad 16 is close to the one end of connecting axle 9 and is fixed with spacing electromagnetic plate 17, and spacing electromagnetic plate 17 and spacing groove 11 looks adaptation. Screw drive mechanism 13 drives slider 14 and carries out the removal of horizontal direction, and slider 14 drives spacing electromagnetic plate 17 and stretches into spacing groove 11, makes spacing electromagnetic plate 17 circular telegram, and spacing electromagnetic plate 17 is fixed with connecting axle 9 to can drive connecting axle 9 and stretch out or stretch into from pivot 2 and wind-up roll 5.

Two through holes 18 are symmetrically arranged on the retainer rings 6 respectively. Air cylinders 19 are respectively fixed on two sides of the mounting plate 1, the air cylinders 19 are fixed on the rack, and piston rods of the air cylinders 19 are respectively fixed with the mounting rack 20. The mounting rack 20 is connected with the two pull rods 21 through bearings respectively, one ends of the pull rods 21 far away from the mounting rack 20 are fixed with the clamping plates 23 respectively, and the clamping plates 23 and the through holes 18 are arranged at the same horizontal height. A driving chain wheel 22 and a driven chain wheel 24 are respectively fixed on the pull rod 21, a second motor 26 is fixed on the mounting frame 20, an output shaft of the second motor 26 is fixed with the driving chain wheel 22, and the driving chain wheel 22 is connected with the driven chain wheel 24 through an annular chain 25. The air cylinder 19 can drive the clamping plate 23 to move in the horizontal direction, after the clamping plate 23 penetrates through the through hole 18, the driving sprocket 22 and the driven sprocket 24 are driven to rotate by the motor II 26, the clamping plate 23 rotates along with the driving sprocket, and after the clamping plate 23 is dislocated with the through hole 18, the air cylinder 19 drives the clamping plate 23 to move the retainer ring 6.

The dust removing mechanism is arranged on one side of the winding mechanism and comprises a dust removing cylinder 27. The two ends of the dust removing cylinder 27 are respectively provided with a baffle 28, the baffles 28 are respectively connected with the dust removing cylinder 27 through bearings, the baffles 28 are respectively provided with a feeding port 29 and a discharging port 30, the discharging port 30 is close to the winding mechanism, and the positions in the dust removing cylinder 27 and at the feeding port 29 and the discharging port 30 are respectively provided with a traction roller set 31. The dust removing cylinder 27 is sleeved with a surrounding frame plate 32, and the baffle plates 28 are respectively fixed with the surrounding frame plate 32 through connecting rods 33. The inner wall of the frame surrounding plate 32 is fixed with a third motor 34, an output shaft of the third motor 34 is fixed with a driving gear 35, an annular gear ring 36 is fixedly sleeved outside the dust removing cylinder 27, and the driving gear 35 is meshed with the annular gear ring 36. More than three guide wheels 37 are respectively arranged on the inner wall of the frame enclosing plate 32 and positioned at two sides of the driving gear 35, and included angles formed between every two adjacent guide wheels 37 are the same. The outer wall of the dust removing cylinder 27 is provided with guide rails matched with the guide wheels 37, and the guide wheels 37 are respectively arranged on the guide rails.

A plurality of dust suction heads 38 are fixedly arranged in the dust collection cylinder 27, the dust suction heads 38 are connected with a suction fan 40 through a dust suction pipe 39, and the suction fan 40 is arranged outside the dust collection cylinder 27 and is fixed with the surrounding frame plate 32. An annular fixing plate 41 is arranged between the dust removing cylinder 27 and the surrounding frame plate 32, the annular fixing plate 41 is fixed with the surrounding frame plate 32, a cavity 42 is arranged in the annular fixing plate 41, and the cavity 42 is annular. One end of the annular fixed plate 41 is provided with an annular rotating plate 43, the annular rotating plate 43 is connected with the annular fixed plate 41 through a bearing, a rotating block 44 is fixed on the annular rotating plate 43, the dust suction pipe 39 passes through the rotating block 44 and extends into the cavity 42, and the exhaust fan 40 is communicated with the cavity 42.

The working principle is as follows: the pole piece enters the dust removing cylinder 27 through the feeding hole 29, then is moved out of the dust removing cylinder 27 through the two groups of traction roller sets 31 and the discharging hole and is wound on the winding roller 5. The third motor 34 drives the driving gear 35 to rotate, the driving gear 35 drives the annular gear ring 36 and the dust removing barrel 27 to rotate, and the guide wheel 37 rotates along the guide rail. The dust collection tube 27 rotates to drive the dust collection tube 39 to rotate, the dust collection tube 39 drives the rotating block 44 and the annular rotating plate 43 to rotate, namely, the dust collection head 38 rotates 360 degrees around the pole piece to comprehensively collect dust on the pole piece, and the dust enters the cavity 42 through the dust collection head 38 and the dust collection tube 39 and is then sucked by the exhaust fan 40 through the cavity 42.

When the winding roller 5 finishes winding and the winding roller 5 needs to be replaced, the air cylinder 19 and the second motor 26 are started, the check ring 6 is clamped by the clamping plate 23, then the limiting electromagnetic plate 17 is electrified and extends into the limiting groove 11, the bolt 12 is taken down, the air cylinder 19 is used for driving the check ring 6 to move, and the check ring 6 and the fixing sleeve 7 are separated from the winding roller 5; and starting the screw rod transmission mechanism 13, driving the limiting electromagnetic plate 17 to move by the slide block 14, driving the connecting shaft 9 to be drawn out from the rotating shaft 2 and the winding roller 5 by the limiting electromagnetic plate 17, taking the square shaft 8 out of the square groove 3, replacing the new winding roller 5, and fixing the rotating shaft 2 and the new winding roller 5 by the connecting shaft 9 and the bolt 12 to complete replacement.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.