CN115009900A

CN115009900A - Lithium battery pole piece coil stock unloader

Info

Publication number: CN115009900A
Application number: CN202210689702.XA
Authority: CN
Inventors: 王涛
Original assignee: Gotion High Tech Co Ltd
Current assignee: Gotion High Tech Co Ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-09-06

Abstract

The invention provides a lithium battery pole piece coil stock discharging device which comprises a coil stock frame, a winding drum, a movable base and a lifting assembly, wherein two ends of the winding drum are detachably fixed on the coil stock frame, the coil stock frame can drive the winding drum to rotate, a track is arranged at the bottom of the coil stock frame, the movable base can move to the position below the fixed position of the winding drum along the track, the lifting assembly comprises two lifting plates which respectively support two ends of the winding drum, and the lifting plates can lift relative to the movable base along the vertical direction. According to the invention, the lifting assembly is arranged on the movable base, so that the lifting assembly can be directly moved to the position below the winding drum to take off the winding drum, thereby completing automatic blanking or feeding of the coil material, reducing the labor intensity, adjusting the height of the winding drum by lifting the lifting assembly, and moving the position along with the movable base, so that the winding drum can be conveniently butted with external equipment to complete taking and placing of the winding drum, preventing the coil material from falling and being dirty, and improving the production efficiency.

Description

Lithium battery pole piece coil stock unloader

Technical Field

The invention relates to the technical field of lithium battery production, in particular to a lithium battery pole piece coil stock blanking device.

Background

In recent years, lithium ion batteries enter the application field of electric vehicles in batches, the market volume of the lithium ion batteries is also expanding, and the lithium ion batteries begin to replace lead-acid batteries on industrial energy storage, household energy storage, two-wheel vehicles, tool vehicles and UPS. As the capacity demand of the power battery is increased, the use of the related automation equipment is increased.

When the battery pole piece is coated, rolled and blanked, a lifting fork truck is usually inserted into a coating and rolling position for blanking, the lifting fork truck cannot accurately control the lifting height and the inserting direction, and the pole piece coil material and a telescopic shaft of rolling equipment are often damaged by visual inspection according to an operator; the risk of dropping the pole piece coil materials in the moving process by adopting a lifting forklift is high, and the loss cost is overhigh; still need switch to the storage car after adopting fork truck unloading, increased the turnover process, the risk increases, efficiency reduces. In addition, when the winding device is provided with no tension control system, the phenomena of collapsing and wrinkling often occur, and great quality influence is generated on the processing of pole piece coil stock in the later period.

The utility model patent that publication number is CN213505076U discloses a lithium cell coating coiling mechanism of unloading conveniently goes up, separates a rolling section of thick bamboo and other fixed and rotation drive disk subassemblies when the unloading, makes on its isolated operating position that is in, then the unloading is carried out to the mode of accessible fork truck or artifical transport, and it carries out the coiling material through the wrapping cover to a rolling section of thick bamboo when rolling coating substrate to with the help of compressing tightly the taut substrate of cylinder, prevent to collapse the book.

Disclosure of Invention

The invention aims to provide a device for automatically discharging rolled coil materials conveniently.

The invention solves the technical problems through the following technical scheme: the utility model provides a lithium battery pole piece coil stock unloader, includes coil stock frame, reel, removes the base and lifts the subassembly, the both ends detachable of reel is fixed on the coil stock frame, and the coil stock frame can drive the reel and rotate, coil stock frame bottom is provided with the track, it can follow orbital motion to reel fixed position below to remove the base, it includes two lifting plates that support the reel both ends respectively to lift the subassembly, lifting plate can the relative movement base along vertical direction lift.

According to the invention, the lifting assembly is arranged on the movable base, so that the lifting assembly can be directly moved to the position below the winding drum to take off the winding drum, thereby completing automatic blanking or feeding of the coil stock, reducing the labor intensity, adjusting the height of the winding drum by lifting the lifting assembly, and moving the position along with the movable base, so that the winding drum can be conveniently butted with external equipment to complete taking and placing of the winding drum, preventing the coil stock from falling and being dirty, and improving the production efficiency.

Preferably, the bottom of the coil rack is fixedly provided with two parallel rails, each rail is provided with two sliding blocks in a sliding manner, two sides of the bottom of the movable base are respectively fixedly matched with the two sliding blocks, and the rail on at least one side is also provided with a drag chain connected with the movable base.

Preferably, the movable base comprises a base body, two lifting cylinders are respectively arranged at two ends of the top of the base body and fixed on a cylinder bottom plate, the distance between the two lifting cylinders can be adjusted in a sliding mode, and a first lead screw nut assembly for driving the cylinder bottom plate to move is arranged on the side face of the base body.

Preferably, two sliding plates are fixedly arranged at two ends of the bottom of the base body respectively, the two sliding blocks on the track are fixed on the sliding plates, a clamp is fixedly arranged between the two sliding blocks on the sliding plates, the clamp comprises a handle and a convex block connected with the handle through a pin rod, and the convex block is provided with a conical end capable of being pressed on the surface of the track in a rotating mode.

Preferably, lift the output fixed connection of board bottom through a connecting plate and lift cylinder, lift the board and set up along vertical direction, the upper end of lifting the board has the recess, fixedly connected with one is vertical fixed curb plate on the cylinder bottom plate, be provided with the lift slide rail on the curb plate, lift the board on have with lift slide rail complex lift the slider.

Preferably, be provided with the bolt in groove position on lifting the board, the bolt is including arranging the cardboard seat and the fast chuck of recess both sides in separately, the articulated cardboard that is provided with in upper end of cardboard seat, the cardboard is L type structure, and the board is lifted to the vertical portion orientation of cardboard, and the fixed fast clamp that is provided with in the outside of the vertical portion of cardboard, fast clamp can with fast chuck cooperation locking, be fixed with the briquetting on the horizontal part of cardboard, the lower surface of briquetting has the arc notch.

Preferably, the first feed screw nut assembly comprises a feed screw and a nut seat screwed on the feed screw, the nut seat is fixedly connected with the cylinder bottom plate, one end of the feed screw is in running fit with a feed screw baffle, the feed screw baffle is fixed on the base body, the other end of the feed screw is fixedly connected with the hand wheel, and a feed screw bearing seat for supporting the feed screw is further arranged at one end close to the hand wheel.

Preferably, the coil rack comprises two vertical plates which are respectively spanned on the outer side of the track, the two vertical plates are respectively and fixedly connected with the end part of one pipe, the bottoms of the vertical plates are respectively and fixedly provided with ground feet connected with the ground, the two vertical plates are respectively and fixedly provided with a telescopic shaft, the telescopic shafts can extend out of the opposite plates along the axial direction, and the end parts of the winding drums are fixedly matched with the end parts of the telescopic shafts.

Preferably, the telescopic shaft on one side is fixedly matched with the driving assembly, the telescopic shaft on the other side is fixedly matched with the telescopic assembly, the telescopic amount of the telescopic shaft relative to the vertical plate can be adjusted by the driving assembly and the telescopic assembly respectively, and the rotating speed of the winding drum can be adjusted by the driving assembly.

Preferably, the telescopic assembly comprises a mounting plate fixedly connected with the telescopic shaft, at least one telescopic cylinder is fixedly arranged on the mounting plate, the output end of the telescopic cylinder is fixedly matched with the vertical plate, and the telescopic shaft is fixedly matched with the end of the winding drum.

Preferably, be provided with second screw-nut subassembly on the mounting panel, second screw-nut subassembly and the cooperation of a screw shaft spiro union, the tip fixedly connected with of screw shaft the telescopic shaft, the cover is equipped with the screw shaft cover outside the screw shaft, the screw shaft cover is fixed on the mounting panel, and the screw shaft passes through keyway structure along axial sliding fit with the screw shaft cover, the screw shaft cover outside still is equipped with a fixed axle sleeve through keyway structure sliding sleeve, on the fixed riser of fixed axle sleeve, fixed axle sleeve is fixed towards the fixed end cover that is provided with of one end of riser, the telescopic shaft slides and passes the end cover.

Preferably, the second feed screw nut component comprises a second feed screw freely penetrating through the mounting plate and a second nut seat screwed with the second feed screw, the second nut seat is arranged in the screw shaft sleeve and fixedly matched with the screw shaft, and a second hand wheel is fixedly connected to one end, close to the mounting plate, of the second feed screw.

Preferably, drive assembly is including fixing the transmission mount pad on the riser, transmission mount pad top is fixed with the motor mounting panel, fixed mounting has driving motor on the motor mounting panel, be fixed with axle drive unit and magnetic clutch on the transmission mount pad, axle drive unit has through stretching out cylinder sliding connection the telescopic shaft, axle drive unit can rotate the drive on the transmission mount pad the telescopic shaft rotates, the both ends of magnetic clutch coaxial fixed with the sprocket respectively, the sprocket at magnetic clutch both ends respectively through the chain with driving motor's output and axle drive unit transmission cooperation.

Preferably, the shaft transmission unit comprises a cylinder mounting plate fixedly connected with the extension cylinder, a shaft barrel fixedly connected with the cylinder mounting plate, and a gear shaft sleeved in the shaft barrel through a shaft barrel bearing, a sealing plate is fixedly arranged on the vertical plate, the end part of the gear shaft is in rotating fit with the sealing plate through a sealing plate bearing, a chain wheel in driving fit with the magnetic powder clutch is fixedly sleeved on the gear shaft, a connecting shaft is arranged in the gear shaft in a sliding manner, the output end of the extension cylinder is in fixed fit with the connecting shaft, the end part of the connecting shaft is fixedly connected with the telescopic shaft, and the output end of the extension cylinder can freely rotate; the outer side of the connecting shaft is fixed with a sliding block, a sliding groove is formed in the gear shaft along the axial direction, and the sliding block slides in the sliding groove.

Preferably, tensioning wheels are respectively and adaptively arranged on the motor mounting plate and the transmission mounting seat, a rotating shaft of each tensioning wheel is fixed on a tensioning fixing plate, and the tensioning fixing plate is fixedly connected with the motor mounting plate or the transmission mounting seat through a waist-shaped groove.

Preferably, a tension roller is further arranged between the two vertical plates, two ends of the tension roller are respectively and fixedly matched with a tension bearing seat, the tension bearing seat is fixedly installed on a bearing seat installation plate, a tension sensor is fixedly installed on the bearing seat installation plate and fixedly connected with the vertical plates, and the coiled material is wound on the winding drum after bypassing the tension roller.

The lithium battery pole piece coil stock blanking device provided by the invention has the advantages that: through set up on removing the base and lift the subassembly, can directly will lift the subassembly and remove the reel below and take off the reel to the completion is to the automatic unloading or the material loading of coil stock, reduces intensity of labour, and the reel can rise at the subassembly of lifting and fall the height-adjusting to and follow and remove the base shift position, conveniently dock with external equipment and accomplish getting of reel and put, prevent that the coil stock from dropping, dirty, improve production efficiency. The lifting cylinder is arranged on the movable base to drive the lifting assembly to lift, the bolt is arranged on the lifting plate to lock the end part of the winding drum, the distance of the lifting cylinder is adjusted through the first screw rod nut assembly, the lifting cylinder can be matched with the gear of the winding drum, and the application range is wide; the telescopic shafts on the two sides of the coil rack are fixed and adjusted in axial position through the driving assembly and the telescopic assembly respectively, the driving assembly controls the winding drum to rotate, and the magnetic powder clutch and the tension sensor control the rotating speed and the torque of the winding drum during rotation, so that the coil stock keeps tension, and the coil stock quality is improved.

Drawings

Fig. 1 is a schematic view of a lithium battery pole piece coil blanking device provided in an embodiment of the present invention;

fig. 2 is a schematic rail diagram of a blanking device for a lithium battery pole piece coil according to an embodiment of the present invention;

fig. 3 is a schematic view of a moving assembly of a blanking device for a lithium battery pole piece coil according to an embodiment of the present invention;

fig. 4 is a schematic view of a clamp of a blanking device for a lithium battery pole piece coil according to an embodiment of the present invention;

fig. 5 is a schematic view of a lifting assembly of a blanking device for a lithium battery pole piece coil according to an embodiment of the present invention;

fig. 6 is a schematic view of a latch of a blanking device for a lithium battery pole piece coil according to an embodiment of the present invention;

fig. 7 is a schematic view of a first screw-nut assembly of a blanking device for a lithium battery pole piece coil material according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of a telescopic assembly of a blanking device for lithium battery pole piece coil stock according to an embodiment of the present invention;

fig. 9 is a schematic view of a driving assembly of a blanking device for a lithium battery pole piece coil according to an embodiment of the present invention;

fig. 10 is a schematic view of a shaft transmission unit of a blanking device for a lithium battery pole piece coil according to an embodiment of the present invention;

fig. 11 is a schematic view of a tensioning wheel of a blanking device for a lithium battery pole piece coil according to an embodiment of the present invention;

fig. 12 is a schematic view of a tension roller of a feeding device for lithium battery pole piece coil stock provided in an embodiment of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are described below in detail and completely with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

As shown in fig. 1, this embodiment provides a lithium battery pole piece coil stock unloader, including coil holder 1, reel 11, removal base 2 and lift subassembly 3, it is specific, the both ends detachable of reel 11 is fixed on coil holder 1, and coil holder 1 can drive reel 11 and rotate, the bottom of coil holder 1 is provided with track 12, it can move to reel 11 below along track 12 to remove base 2, lift subassembly 3 includes that two are installed on removing base 2 and can support the lift board 31 at reel 11 both ends respectively, lift board 31 can move base 2 relatively and go up and down along vertical direction.

This embodiment is through setting up lifting assembly 3 on moving base 2, can directly will lift assembly 3 and remove reel 11 below to reel 11 and take off reel 11 to the completion is to the automatic unloading or the material loading of coil stock, reduces intensity of labour, and reel 11 can be on lifting assembly 3 lift the height-adjusting, and follow and move 2 shift positions of moving base, conveniently dock with external equipment and accomplish getting of reel 11 and put, prevent that the coil stock from dropping, dirty, improve production efficiency.

Combine fig. 2, the bottom of coil rack 1 is fixed with two parallels track 12, every slide on the track 12 and be provided with two sliders 17, the both sides of moving base 2 bottom respectively with two slider 17 fixed coordination on same track 12, still be provided with the tow chain 18 of being connected with moving base 2 on the track 12 of at least one side to the spool of conveniently moving base 2 is walked the line, and the track 12 of both sides is connected through at least one channel-section steel 19 and is fixed. The end of the rail 12 is further provided with a buffer pin 121 in a penetrating manner, the surface area of one end of the buffer pin 121 facing the moving base 2 is large so as to reduce the pressure intensity during contact, the buffer pin 121 is arranged on a buffer plate 122 in a penetrating manner, a spring abutted against the buffer plate 122 is sleeved on the buffer pin 121 so as to absorb the impact force and automatically reset, and when the moving base 2 moves to the end of the rail 12, the impact force can be buffered.

Combine fig. 3, the mobile base 2 includes base body 21, the both ends of base body 21 top are provided with one respectively and lift cylinder 22, it fixes on cylinder bottom plate 23 to lift cylinder 22 two cylinder bottom plate 23 can the sliding adjustment interval, and is concrete, the position department that sets up cylinder bottom plate 23 on the base body 21 is provided with two parallel cylinder tracks 231 respectively, cylinder bottom plate 23 and cylinder track 231 sliding fit, and the side of base body 21 is provided with the first screw-nut subassembly 24 that drives actuating cylinder bottom plate 23 and remove, it fixes to lift subassembly 3 on the cylinder bottom plate 21 to can be according to the size of reel 11 and the position of position adjustment both sides lift board 31, convenient to use.

Specifically, two sliding plates 211 are respectively and fixedly arranged at two ends of the bottom of the base body 21, two sliding blocks 17 on the rail 12 are respectively and fixedly arranged on the sliding plates 211, the sliding plates 211 are further and fixedly provided with a clamp 25 between the two sliding blocks 17, referring to fig. 4, the clamp 25 comprises a handle 251 and a projection 253 connected with the handle 251 through a pin rod 252, the projection 253 has a tapered end capable of being rotationally pressed on the surface of the rail 12, the tapered end is pressed on the rail 12 by rotating the handle 251, so that the mobile base 2 can be locked at a position on the rail 12 to prevent the mobile base from moving, when the mobile base needs to move, the handle 251 is rotated to disengage the tapered end from the rail 12, the pin rod 252 can pass through a locking plate 254 in an interference fit manner, the handle 251 and the projection 253 are respectively arranged at two sides of the locking plate 254, so that the pin rod 252 can be rotationally stopped at any position, when the locking is not needed, the bump 253 has a gap with the rail 12, but of course, the bump 253 can be directly lapped on the surface of the rail 12, and the contact does not affect the sliding of the mobile base 2 on the rail 12.

Combine fig. 3 and fig. 5, the output fixed connection of a connecting plate 32 and lift cylinder 22 is passed through to the bottom of lifting plate 31, lifting plate 31 sets up along vertical direction, and lifting plate 31's upper end has recess 33, fixedly connected with one is the fixed curb plate 34 of vertical state on the cylinder bottom plate 23, be provided with on curb plate 34 and lift slide rail 35, lifting plate 31 with lift slide rail 35 through lifting slider 351 sliding fit, improves lifting plate 31 elevating movement's stability.

Referring to fig. 6, a bolt 36 is arranged at the position of the groove 33 on the lifting plate 31, the bolt 36 includes a clamping plate seat 361 and a fast chuck 362 which are respectively arranged at two sides of the groove 33, the upper end of the clamping plate seat 361 is hinged with a clamping plate 363, the clamping plate 363 is in an L-shaped structure, the vertical part of the clamping plate 363 faces the lifting plate 31, the outside of the vertical part of the clamping plate 363 is fixedly provided with a fast clamp 364, the fast clamp 364 can be matched and locked with the fast chuck 362, a pressing block 365 is fixed on the horizontal part of the clamping plate 363, and the lower surface of the pressing block 365 is provided with an arc-shaped notch; the quick clamp 364 and the quick chuck 362 are adaptive to be selected according to the existing structure, a space for placing a rotating shaft at the end of the winding drum is formed by the pressing block 365 and the groove 33, the clamping plate 363 is opened by rotating first when the quick clamp is used, the lifting plate 31 is controlled to ascend to enable the groove 33 to support two ends of the winding drum 11, then the clamping plate 363 is rotated, the pressing block 365 is pressed on the winding drum 11, the winding drum 11 is positioned through the groove of the pressing block 365, and the winding drum 11 is driven to leave after being disengaged from the winding drum rack 1.

Referring to fig. 5 again, a manual valve 37 may be disposed on one of the side plates 34, and the manual valve 37 controls the on-off of the air passages of the two lifting cylinders 22, so as to control the two lifting cylinders 22 to lift synchronously, and since the side plates 34 and the lifting cylinders 22 move synchronously, a pipeline is conveniently arranged, the pipeline connected to the manual valve 37 may be wired through a drag chain, and a handle 38 may be further disposed on the side plates 34 to facilitate the moving operation of the moving base 2.

Referring to fig. 7, the first lead screw-nut assembly 24 includes a lead screw 241 and a nut seat 242 screwed on the lead screw 241, the nut seat 242 is fixedly connected to the cylinder bottom plate 23, one end of the lead screw 241 is rotatably engaged with a lead screw baffle 243, the other end of the lead screw 241 is fixedly connected to a hand wheel 244, the lead screw baffle 243 is fixed to the base body 21, and the hand wheel 244 can be rotated to drive the nut seat 242 to move along the lead screw 241, thereby driving the lifting cylinder 22 and the lifting assembly 3 to move.

Specifically, one end of the screw rod 241 close to the hand wheel 244 is arranged on a screw rod bearing seat 245 in a penetrating manner to provide a supporting force for the screw rod 241, a locking bolt 246 is arranged on the bearing seat 245 in a penetrating manner along the radial direction, and the locking bolt 246 is rotated to abut against the surface of the screw rod 241 to prevent the screw rod 241 from rotating, so that the position of the lifting cylinder 22 is locked. The lead screw 241 penetrates through a bearing seat 245, the end part of the lead screw passes through the hand wheel 244, locking nuts 248 are respectively screwed on two sides of the hand wheel 244 for fixing, a stop washer 247 is further arranged between the locking nut and the lead screw bearing seat 245 for fixing to prevent loosening, and a rocking handle (not shown) can be eccentrically arranged on the hand wheel 244 for facilitating the rotating operation.

Referring to fig. 1 again, the coil holder 1 includes two vertical plates 13 respectively straddling outside the two rails 12, the two vertical plates 13 are respectively and fixedly connected with an end portion of one of the pipes 14, feet 15 connected with the ground are respectively fixed at bottoms of the vertical plates 13, the feet 15 can be fixed on the ground in a bolt or anchor manner, two telescopic shafts 16 are respectively fixed on the two vertical plates 13, the telescopic shafts 16 can axially extend out of the vertical plates 13, and an end portion of the winding drum 11 is fixedly matched with an end portion of the telescopic shafts 16, so as to assemble and rotationally drive the winding drum 11.

The telescopic shaft 16 and the driving assembly 4 are fixedly matched, the telescopic shaft 16 and the telescopic assembly 5 are fixedly matched, the driving assembly 4 and the telescopic assembly 5 can control the telescopic amount of the telescopic shaft 16 relative to the vertical plate 13 respectively, when the telescopic shaft 16 is far away from the vertical plate 13 along the axial direction, the telescopic shaft can be disengaged from the end part of the winding drum 11, the winding drum 11 and the telescopic shaft 16 can be fixed in an inserting mode, other locking structures can be further used for assisting in fixing, the driving assembly can adjust the rotating speed of the winding drum 11, the winding material is kept in a tensioning state by controlling the rotating speed, the winding and wrinkling are prevented, and the quality of the winding material is improved.

Referring to fig. 8, the telescopic assembly 5 includes a mounting plate 51 fixedly engaged with the telescopic shaft 16, at least one telescopic cylinder 52 is fixedly disposed on the mounting plate 51, an output end of the telescopic cylinder 52 is fixedly engaged with the vertical plate 13, and the telescopic shaft 16 can penetrate through the vertical plate 13 and fixedly engage with an end of the winding drum 11; the telescopic cylinder 52 is controlled to extend, the mounting plate 51 is pushed away from the vertical plate 13, so that the telescopic shaft 16 is far away from the winding drum 11 relative to the vertical plate 13 along the axial direction and is disengaged from the winding drum 11; when the telescopic cylinder 52 is inserted into and engaged with the winding drum 11, the telescopic cylinder is contracted.

Specifically, a second lead screw nut assembly (not shown) is disposed on the mounting plate 51, the second lead screw nut assembly includes a second lead screw 531 freely passing through the mounting plate 51 and a second nut seat 532 in threaded connection with the second lead screw 531, an end of the second lead screw 531 extends out of the mounting plate 51 and is fixedly connected with a second hand wheel 533, and the specific connection mode is not described in detail.

The second nut seat 532 is fixedly matched with a screw shaft 54, the end of the screw shaft 54 is fixedly connected with the telescopic shaft 16, the screw shaft sleeve 55 is sleeved outside the screw shaft 54, the end of the screw shaft sleeve 55 is fixed on the mounting plate 51 through a bolt, the screw shaft 54 is in sliding fit with the screw shaft sleeve 55 along the axial direction through a key slot structure and limits the screw shaft 54 to be incapable of rotating, the fixed shaft sleeve 56 is also in sliding connection with the outside of the screw shaft sleeve 55 through a key slot structure, the fixed shaft sleeve 56 is fixed on the vertical plate 13, an end cover 57 is fixedly arranged at one end of the fixed shaft sleeve 56 facing the vertical plate 13, the telescopic shaft 16 slides through the end cover 57, when the air cylinder 52 performs telescopic motion, the screw shaft sleeve 55 slides relative to the fixed shaft sleeve 56 to adjust the position of the telescopic shaft 16, so as to realize coarse adjustment of the position of the telescopic shaft 16, and then the second hand wheel 533 is rotated to drive the second screw 531 to rotate, the screw shaft 54 is made to slide relative to the screw boss 55 to precisely adjust the position of the telescopic shaft 16, ensuring that the telescopic shaft 16 can be engaged with the end of the spool 11.

The fixing shaft sleeve 56 can be provided with fixing bolts along the radial direction to position the inner screw shaft sleeve 55, so as to prevent accidental sliding, and the structures such as a bearing, an oil seal, a sealing ring and the like can be adaptively selected to be connected and assembled according to requirements in the connection and matching positions of the second screw 531, the second nut seat 532, the second hand wheel 533, the mounting plate 51, the screw shaft 54, the screw shaft sleeve 55 and the fixing shaft sleeve 56.

Referring to fig. 9, the driving assembly 4 includes a transmission mounting base 41 fixed on the vertical plate 13, a motor mounting plate 42 is fixed above the transmission mounting base 41, a driving motor 43 is fixed on the motor mounting plate 42, a shaft transmission unit 6 and a magnetic powder clutch 44 are fixed on the transmission mounting base 41, the shaft transmission unit 6 is slidably connected to the telescopic shaft 16 through an extending cylinder 61, the shaft transmission unit 6 can rotate on the transmission mounting base 41 to drive the telescopic shaft 16 to rotate, so as to drive the winding drum 11 fixedly connected to the telescopic shaft 16 to rotate, two ends of the magnetic powder clutch 44 are coaxially fixed with chain wheels 45, the chain wheels 45 at two ends of the magnetic powder clutch 44 are respectively in transmission fit with the output end of the driving motor 43 and the shaft transmission unit 6 through chains (not shown), so as to indirectly drive the telescopic shaft 16 to rotate through the driving motor 43, and the torque is adjusted through the magnetic powder clutch 44 to keep a certain tension, so that the coiled material is ensured to keep a tensioning state.

Referring to fig. 10, the shaft transmission unit 6 includes a cylinder mounting plate 62 fixedly connected to the extension cylinder 61, a shaft cylinder 63 fixedly connected to the cylinder mounting plate 62, and a gear shaft 64 sleeved in the shaft cylinder 63 through a shaft cylinder bearing 631, the vertical plate 13 is fixedly provided with a sealing plate 65, an end of the gear shaft 64 is rotatably matched with the sealing plate 65 through a sealing plate bearing 651, a sprocket 45 in transmission fit with the magnetic powder clutch 44 is fixedly sleeved on an outer side of the gear shaft 64, a connecting shaft 66 is slidably sleeved in the gear shaft 64, an output end of the extension cylinder 61 is fixedly matched with the connecting shaft 66, the output end of the extension cylinder 61 can freely rotate relative to the extension cylinder 61, and an end of the connecting shaft 66 is fixedly connected to the telescopic shaft 16; the outer side of the connecting shaft 66 is fixedly provided with a sliding block 661, a sliding groove (not shown) is axially formed in the gear shaft 64, the sliding block 661 slides in the sliding groove to guide, and the connecting shaft 66 and the gear shaft 64 are fixedly matched along the circumferential direction and can rotate synchronously.

When the telescopic mechanism is used, the telescopic driving connecting shaft 66 of the stretching cylinder 61 moves along with the telescopic movement, so that the telescopic shaft 16 is driven to stretch and retract relative to the vertical plate 13 and is matched and separated with the end part of the winding drum 11, after the matching is completed, the driving motor 43 is driven to rotate, the driving gear shaft 64 rotates after the transmission, and the connecting shaft 66 is driven to rotate, so that the telescopic shaft 16 fixed on the connecting shaft 66 rotates, the winding drum 11 rotates along with the telescopic shaft 16, the material can be coiled, the rotating speed and the torque can be controlled by the driving motor 43 and the magnetic powder clutch 44, the quality of the coiled material is improved, and the coiled material and the wrinkles are prevented from collapsing.

The gear shaft 64 is screwed with a fixing bolt along the radial direction to fix the connecting shaft 66 and prevent automatic sliding, the surface of the shaft cylinder 63 is also provided with an oil injection plate 632, the oil injection plate 632 can be opened to inject oil, the connecting position of the gear shaft 64 and the connecting shaft 66 is lubricated, when in use, the shaft cylinder is fixed on the transmission mounting seat 41, the gear shaft 64 is positioned in the transmission mounting seat 41, the magnetic powder clutch 44 is positioned outside the transmission mounting seat 41, the chain wheel 45 at one end is positioned in the transmission mounting seat 41 and is in transmission fit with the chain wheel 45 on the gear shaft 64,

referring to fig. 9 and 11, the motor mounting plate 42 and the transmission mounting base 41 are respectively and adaptively provided with a tension pulley 46, and the chain is adjusted in tension by bypassing the tension pulley 46, specifically, a rotating shaft of the tension pulley 46 is fixed on a tension fixing plate 461, the tension fixing plate 461 is fixedly connected with the motor mounting plate 42 or the transmission mounting base 41 through a waist-shaped groove 462, and a length direction of the waist-shaped groove 462 is approximately perpendicular to a connecting direction of the chain wheels 45 at both ends of the chain, so that the tightness of the chain can be adjusted by adjusting a fixing position of a fixing screw on the waist-shaped groove 462.

Referring to fig. 12, a tension roller 7 is further disposed between the two vertical plates 13, two ends of the tension roller 7 are respectively and fixedly matched with a tension bearing seat 71, the tension bearing seat 71 is fixedly mounted on a bearing seat mounting plate 72, a tension sensor 73 is fixedly mounted on the bearing seat mounting plate 72, the tension sensor 73 is fixedly connected with the vertical plate 13, the coil is wound on the winding drum 11 after bypassing the tension roller 7, and when the coil works, the tension sensor 73 detects a compression force of the coil on the tension roller 7, so that an output torque of the magnetic powder clutch 44 can be feedback-adjusted, and thus the speed of the coil is controlled under the combined action of the tension sensor 73 and the magnetic powder clutch 44, and the situations of coil collapse and wrinkle are ensured not to occur.

In use, after the position of the tension sensor 73 and the mode of the coiled material bypassing the tension roller 7 are determined, the upper limit and the lower limit of the numerical value of the tension sensor 73 can be determined through experiments, the numerical value of the tension sensor 73 is controlled within a safety threshold value through the magnetic powder clutch 44, the acting direction of the tension sensor 73 is preferably set to be towards the wrapping position of the coiled material, and the measuring sensitivity can be ensured.

The using method of the blanking device for the lithium battery pole piece coil stock provided by the embodiment is as follows,

firstly, the two ends of a winding drum 11 are respectively placed on a groove 33 through external transfer equipment or a manual carrying mode, the end part of the winding drum 11 is pressed through a bolt 36, a movable base 2 is moved to a winding frame 1, then the height of a lifting component 3 is adjusted, a telescopic shaft 16 is controlled to extend out and be respectively fixedly matched with the two ends of the winding drum 11, a pole piece is fixed on the winding drum 11 after bypassing a tension roller 7, a driving motor 43 is controlled to rotate to enable the winding drum 11 to rotate for winding, the rotating speed and the tension are controlled by means of a tension sensor 73 and a magnetic powder clutch 44, and after the winding is finished, the blanking of the winding drum 11 is finished through a process opposite to the feeding mode.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a lithium battery pole piece coil stock unloader which characterized in that: including coil material frame, reel, removal base and lift subassembly, the both ends detachable of reel fixes on the coil material frame, and the coil material frame can drive the reel and rotate, the coil material frame bottom is provided with the track, the removal base can follow orbital motion to reel fixed position below, it includes two lifting plates that support the reel both ends respectively to lift the subassembly, lifting plate can the relative movement base go up and down along vertical direction.

2. The blanking device for the lithium battery pole piece coil stock as claimed in claim 1, characterized in that: the coil rack is characterized in that two parallel rails are fixedly arranged at the bottom of the coil rack, two sliding blocks are arranged on each rail in a sliding mode, two sides of the bottom of the movable base are fixedly matched with the two sliding blocks respectively, and a drag chain connected with the movable base is further arranged on the rail on at least one side.

3. The blanking device for the lithium battery pole piece coil stock as claimed in claim 2, characterized in that: the movable base comprises a base body, two lifting cylinders are arranged at two ends of the top of the base body respectively and fixed on a cylinder bottom plate, the distance between the lifting cylinders can be adjusted in a sliding mode, and a first lead screw nut assembly for driving the cylinder bottom plate to move is arranged on the side face of the base body.

4. The blanking device for the lithium battery pole piece coil stock as claimed in claim 3, characterized in that: the improved base is characterized in that two sliding plates are fixedly arranged at two ends of the bottom of the base body respectively, the two sliding blocks on the rail are fixed on the sliding plates, a clamp is fixedly arranged between the two sliding blocks on the sliding plates and comprises a handle and a convex block connected with the handle through a pin rod, and the convex block is provided with a conical end capable of being rotationally pressed on the surface of the rail.

5. The blanking device for the lithium battery pole piece coil stock as claimed in claim 3, characterized in that: the lifting plate is characterized in that the bottom of the lifting plate is fixedly connected with an output end of a lifting cylinder through a connecting plate, the lifting plate is arranged along the vertical direction, a groove is formed in the upper end of the lifting plate, a side plate which is vertically fixed is fixedly connected to a bottom plate of the cylinder, a lifting slide rail is arranged on the side plate, and a lifting slide block matched with the lifting slide rail is arranged on the lifting plate.

6. The blanking device for the lithium battery pole piece coil stock as claimed in claim 5, characterized in that: the lifting plate is provided with a bolt at a groove position, the bolt comprises a clamping plate seat and a quick chuck, the clamping plate seat and the quick chuck are respectively arranged on two sides of the groove, a clamping plate is hinged to the upper end of the clamping plate seat and is of an L-shaped structure, the vertical portion of the clamping plate faces the lifting plate, a quick clamp is fixedly arranged on the outer side of the vertical portion of the clamping plate, the quick clamp can be matched and locked with the quick chuck, a pressing block is fixed on the horizontal portion of the clamping plate, and an arc-shaped notch is formed in the lower surface of the pressing block.

7. The blanking device for the lithium battery pole piece coil stock as claimed in claim 3, characterized in that: the first feed screw nut assembly comprises a feed screw and a nut seat in threaded connection with the feed screw, the nut seat is fixedly connected with the cylinder bottom plate, one end of the feed screw is in running fit with a feed screw baffle, the feed screw baffle is fixed on the base body, the other end of the feed screw is fixedly connected with the hand wheel, and a feed screw bearing seat for supporting the feed screw is further arranged at one end close to the hand wheel.

8. The blanking device for the lithium battery pole piece coil stock as claimed in claim 1, is characterized in that: the coil rack comprises two vertical plates which are respectively spanned on the outer side of the track, the two vertical plates are respectively fixedly connected with the end part of one pipe, the bottoms of the vertical plates are respectively fixed with ground feet connected with the ground, two vertical plates are respectively fixed with a telescopic shaft, the telescopic shafts can extend out of the opposite plates along the axial direction, and the end parts of the winding drums are fixedly matched with the end parts of the telescopic shafts.

9. The blanking device for the lithium battery pole piece coil stock as recited in claim 8, characterized in that: the telescopic shaft and the driving assembly are fixedly matched, the telescopic shaft and the telescopic assembly are fixedly matched, the driving assembly and the telescopic assembly can adjust the telescopic amount of the telescopic shaft relative to the vertical plate respectively, and the driving assembly can also adjust the rotating speed of the winding drum.

10. The blanking device for the lithium battery pole piece coil stock as claimed in claim 9, wherein: the telescopic assembly comprises a mounting plate fixedly connected with the telescopic shaft, at least one telescopic cylinder is fixedly arranged on the mounting plate, the output end of the telescopic cylinder is fixedly matched with the vertical plate, and the telescopic shaft is fixedly matched with the end part of the winding drum.

11. The blanking device for the lithium battery pole piece coil stock as claimed in claim 10, wherein: be provided with the second screw-nut subassembly on the mounting panel, second screw-nut subassembly and a screw shaft spiro union cooperation, the tip fixedly connected with of screw shaft the telescopic shaft, the screw shaft outside cover is equipped with the screw shaft cover, the screw shaft cover is fixed on the mounting panel, and the screw shaft passes through keyway structure along axial sliding fit with the screw shaft cover, the screw shaft cover outside still is equipped with a fixed axle sleeve through keyway structure sliding fit, on the fixed riser of fixed axle sleeve, fixed axle sleeve is provided with the end cover towards the one end of riser is fixed, the telescopic shaft slides and passes the end cover.

12. The blanking device for the lithium battery pole piece coil stock as claimed in claim 11, wherein: the second screw rod nut assembly comprises a second screw rod freely penetrating through the mounting plate and a second nut seat in threaded connection with the second screw rod, the second nut seat is located in the screw shaft sleeve and is fixedly matched with the screw shaft, and the second screw rod is close to one end of the mounting plate and is fixedly connected with a second hand wheel.

13. The blanking device for the lithium battery pole piece coil stock as claimed in claim 9, wherein: the drive assembly is including fixing the transmission mount pad on the riser, the transmission mount pad top is fixed with the motor mounting panel, fixed mounting has driving motor on the motor mounting panel, be fixed with axle drive unit and magnetic clutch on the transmission mount pad, axle drive unit has through stretching out cylinder sliding connection the telescopic shaft, axle drive unit can rotate the drive on the transmission mount pad the telescopic shaft rotates, the both ends of magnetic clutch coaxial fixed with the sprocket respectively, the sprocket at magnetic clutch both ends respectively through the chain with driving motor's output and axle drive unit transmission cooperation.

14. The blanking device for the lithium battery pole piece coil stock as claimed in claim 13, wherein: the shaft transmission unit comprises a cylinder mounting plate fixedly connected with the extension cylinder, a shaft barrel fixedly connected with the cylinder mounting plate and a gear shaft sleeved in the shaft barrel through a shaft barrel bearing, a sealing plate is fixedly arranged on the vertical plate, the end part of the gear shaft is in rotating fit with the sealing plate through a sealing plate bearing, a chain wheel in driving fit with the magnetic powder clutch is fixedly sleeved on the gear shaft, a connecting shaft is arranged in the gear shaft in a sliding manner, the output end of the extension cylinder is in fixed fit with the connecting shaft, the end part of the connecting shaft is fixedly connected with the telescopic shaft, and the output end of the extension cylinder can freely rotate; the outer side of the connecting shaft is fixed with a sliding block, a sliding groove is formed in the gear shaft along the axial direction, and the sliding block slides in the sliding groove.

15. The blanking device for the lithium battery pole piece coil stock as claimed in claim 13, wherein: the motor mounting plate and the transmission mounting seat are respectively and adaptively provided with a tensioning wheel, a rotating shaft of the tensioning wheel is fixed on a tensioning fixing plate, and the tensioning fixing plate is fixedly connected with the motor mounting plate or the transmission mounting seat through a waist-shaped groove.

16. The blanking device for the lithium battery coil stock according to claim 9 or 14, characterized in that: the tension roller is further arranged between the two vertical plates, two ends of the tension roller are respectively fixedly matched with the tension bearing seat, the tension bearing seat is fixedly installed on the bearing seat installation plate, the tension sensor is fixedly installed on the bearing seat installation plate and fixedly connected with the vertical plates, and coiled materials are wound on the winding drum after bypassing the tension roller.