CN210956873U

CN210956873U - Winding equipment and pole piece feeding device thereof

Info

Publication number: CN210956873U
Application number: CN201921927119.8U
Authority: CN
Inventors: 不公告发明人
Original assignee: Wuxi Lead Intelligent Equipment Co Ltd
Current assignee: Wuxi Lead Intelligent Equipment Co Ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-07-07
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a coiling equipment and pole piece pan feeding device thereof, pole piece pan feeding device includes inserted sheet mechanism, cut mechanism and pan feeding mechanism, inserted sheet mechanism is used for the centre gripping material area, it is used for cutting off the material area to cut off the mechanism, after the material area is cut off, inserted sheet mechanism further to the direction conveying material area that is close to the book needle or cut the mechanism and remove to the direction of keeping away from the book needle, so that the head end in material area exposes in cutting the mechanism, pan feeding mechanism is used for the head end in centre gripping material area, and remove to the direction that is close to the book needle, so that the head end in material area is close to and sends into the book needle. Before the cutting mechanism cuts the material belt, the inserting sheet mechanism clamps the material belt, so that the material belt is in a tensioned state and is convenient to cut; after the material belt is cut off, the feeding mechanism and the inserting mechanism move towards the direction close to the winding needle synchronously, so that the material belt can be tensioned, the winding needle can be accurately conveyed to the head end of the material belt, and the alignment degree of the head end of the material belt and the feeding position is improved.

Description

Winding equipment and pole piece feeding device thereof

Technical Field

The utility model relates to a battery production technical field, concretely relates to coiling equipment and pole piece pan feeding device thereof.

Background

In the process of preparing the battery cell, the pole piece needs to be conveyed to a feeding position. Generally, a pole piece feeding device is adopted to complete the action of feeding the pole piece to a feeding position. The prior pole piece feeding device generally clamps the head end of a pole piece by two clamping plates after the pole piece is cut off, and feeds the head end of the pole piece to a feeding position towards the direction of the feeding position. Because the free section of the head end of the cut pole piece is very long, the alignment degree of the head end of the pole piece and the feeding position is difficult to control, and the head end of the pole piece has no tension and is in a loose state, so that the head end of the pole piece can not be accurately fed to the feeding position due to easy random swing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a coiling equipment and pole piece pan feeding device thereof to the head end of solving the pole piece and the lower technical problem of degree of alignment of pan feeding position.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a pole piece pan feeding device, pole piece pan feeding device is used for carrying the material area to the winding needle, pole piece pan feeding device includes the edge the direction of delivery in material area sets gradually the inserted sheet mechanism, cut mechanism and pan feeding mechanism, inserted sheet mechanism is used for the centre gripping the material area, it is used for cutting off to cut the mechanism the material area is cut off the back, inserted sheet mechanism is further to being close to the direction conveying of winding needle the material area or cut mechanism and remove to keeping away from the direction of winding needle, so that the head end in material area expose in cut mechanism, pan feeding mechanism is used for the centre gripping the head end in material area is to being close to the direction removal of winding needle, so that the head end in material area is close to and sends into the winding needle.

Optionally, pole piece pan feeding device still include the mounting panel, set up in first drive mechanism, second drive mechanism and third drive mechanism on the mounting panel and parallelly set up in first slide rail and second slide rail on the mounting panel, inserted sheet mechanism with cut the mechanism slip support in on the first slide rail, and be in respectively follow under first drive mechanism and second drive mechanism's the transmission first slide rail motion, pan feeding mechanism slip support in on the second slide rail, and follow under third drive mechanism's the transmission second slide rail motion.

Optionally, pole piece pan feeding device still includes guiding mechanism, guiding mechanism set up in insert sheet mechanism with cut between the mechanism and/or cut the mechanism with between the pan feeding mechanism, be used for right the head end in material area leads.

Optionally, guiding mechanism includes scroll spring and wire, the scroll spring sets up the inserted sheet mechanism with cut one in the mechanism and/or cut the mechanism with on one in the pan feeding mechanism, the one end of wire with scroll spring connection, the other end of wire is connected the inserted sheet mechanism with cut another in the mechanism and/or cut the mechanism with another in the pan feeding mechanism, the scroll spring along with inserted sheet mechanism with cut the distance change between the mechanism and/or cut the mechanism with distance change rolling or release between the pan feeding mechanism the wire, the material area paste lean on in on the wire.

Optionally, the pole piece feeding device further comprises a deviation correcting mechanism and a first detection mechanism, wherein the deviation correcting mechanism is arranged at the upstream of the inserting sheet mechanism along the conveying direction of the material belt and is used for correcting the material belt entering the pole piece feeding device along the width direction of the material belt; the first detection mechanism is arranged between the deviation correction mechanism and the inserting piece mechanism and used for detecting the position of the material belt after the deviation correction mechanism corrects the deviation and feeding the position of the material belt back to the deviation correction mechanism.

Optionally, first detection mechanism includes base, slide bar, regulation pole, sensor module, direction subassembly, first fastener and second fastener, the slide bar set up in on the base, sensor module with direction subassembly slide support in on the slide bar, first fastener be used for with sensor module with adjust the pole connection, the second fastener be used for with direction subassembly with adjust the pole connection, adjust the pole be used for adjust with adjust the pole connection sensor module and/or direction subassembly is in position on the slide bar, sensor module is used for detecting the position in material area, direction subassembly corresponds the setting and is in the utmost point ear position department in material area is used for doing utmost point ear direction.

Optionally, the sensor assembly includes a first connection portion and a sensor disposed on the first connection portion, the guide assembly includes a second connection portion and a first guide plate disposed on the second connection portion, the first connection portion and the second connection portion are slidably disposed on the slide rod, the first detection mechanism further includes an adjusting screw rotatably disposed on the base, wherein a driving end of the adjusting screw is in threaded connection with the first connection portion, and the adjusting screw is used for adjusting a position of the first connection portion on the slide rod; or the driving end of the adjusting screw is in threaded connection with the second connecting part, and the adjusting screw is used for adjusting the position of the second connecting part on the slide rod.

Optionally, the pole piece feeding device further comprises a second detection mechanism and a third detection mechanism, the second detection mechanism and the third detection mechanism are arranged between the sheet inserting mechanism and the cutting mechanism, and the second detection mechanism is used for detecting the cutting position of the material belt; the third detection mechanism is correspondingly arranged at the position of the lug of the material belt and used for detecting whether the lug has a bevel or not.

Optionally, the third detection mechanism includes a detection support, and a first sensor and a second sensor which are arranged on the detection support, the tab has a first end connected with the material belt and a second end far away from the joint of the tab with the material belt, the first sensor and the second sensor are arranged at intervals along the direction of a connection line between the first end and the second end, the first sensor is used for detecting the length of the tab at a position corresponding to the first sensor, the second sensor is used for detecting the length of the tab at a position corresponding to the second sensor, and then the tab is judged whether to be bent or not according to the length of the tab detected by the first sensor and the length proportion of the tab detected by the second sensor.

Optionally, the detection support includes first installation department, second installation department and connect in first installation department with connecting portion between the second installation department, first installation department with the parallel interval of second installation department sets up, first sensor with the second sensor all includes transmitting terminal and receiving terminal, the transmitting terminal with the receiving terminal sets up respectively first installation department with on the second installation department.

Optionally, the feeding mechanism drives the head end of the material tape to approach the winding needle in a linear moving manner, and feeds the head end of the material tape into the winding needle in a rolling manner, and the feeding mechanism further corrects the head end of the material tape in the width direction of the material tape.

Optionally, pole piece pan feeding device includes the mounting panel, pan feeding mechanism includes: the fixing seat is supported on the mounting plate in a sliding manner; the fixed bracket is supported on the fixed seat in a sliding manner; the driving roller and the driven roller are rotatably supported on the fixed bracket; the clamping driving part is used for driving the driving roller and the driven roller to relatively approach to each other so as to clamp the head end of the material belt, wherein the fixed seat moves towards the winding needle under the transmission of the third transmission mechanism so as to transmit the head end of the material belt to approach to the winding needle in a linear movement mode; the deviation rectifying driving part is used for driving the fixed support to move relative to the fixed seat so as to rectify the head end of the material belt in the width direction of the material belt; and the feeding driving part drives the driving roller to drive the driven roller to roll, and then the head end of the material belt is fed into the winding needle in a rolling mode.

For solving the technical problem, the utility model discloses a another technical scheme is: the winding equipment comprises a winding needle and the pole piece feeding device, wherein the pole piece feeding device is used for conveying a material belt to the winding needle, and the winding needle is used for winding the material belt to form a battery core.

The utility model has the advantages that: be different from prior art's condition, the embodiment of the utility model provides a set up inserted sheet mechanism and set up pan feeding mechanism in the low reaches that cut the mechanism through the upper reaches that cut the mechanism, on the one hand, before cutting the mechanism and cutting the material area, inserted sheet mechanism centre gripping material area, can be so that the material area is in the state of tensioning and be convenient for cut, on the other hand, cut the mechanism and cut after accomplishing, the head end in pan feeding mechanism centre gripping material area removes to the direction that is close to the book needle, not only can the tensioning material area, and because the head end in material area is delivered to the position that is close to the book needle nearer by the centre gripping, thereby can guarantee that the head end in material area can accurately deliver to the book needle, with the alignment degree that improves.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic plan view of a pole piece feeding device in an embodiment of the present invention;

FIG. 2 is a schematic plan view of the tab mechanism of FIG. 1;

FIG. 3 is a left side view of a portion of the components of FIG. 1;

FIG. 4 is a schematic diagram of a right-side view of some of the elements of FIG. 3;

FIG. 5 is a schematic plan view of the guide mechanism of FIG. 1 from a perspective;

FIG. 6 is a schematic plan view of the guide mechanism of FIG. 1 from another perspective;

FIG. 7 is a schematic plan view of the first sensing mechanism of FIG. 1;

FIG. 8 is a schematic plan view of the second and third sensing mechanisms of FIG. 1;

FIG. 9 is a schematic plan view of the feeding mechanism of FIG. 1 from a perspective;

fig. 10 is a schematic plan view of the feeding mechanism of fig. 9 from another perspective.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, fig. 1 is a schematic plan view of a pole piece feeding device according to an embodiment of the present invention. An aspect of the present invention provides a pole piece feeding device 100, and this pole piece feeding device 100 is used for conveying the material belt 300 to the winding needle 200. Pole piece pan feeding device 100 includes the inserted sheet mechanism 10 that sets gradually along the direction of delivery of material area 300, cut mechanism 20 and pan feeding mechanism 30, inserted sheet mechanism 10 is used for centre gripping material area 300, cut mechanism 20 and be used for cutting off material area 300, wherein after material area 300 is cut off, inserted sheet mechanism 10 further conveys material area 300 to the direction that is close to winding needle 200 or cuts mechanism 20 and removes to the direction of keeping away from winding needle 200, so that the head end of material area 300 exposes in cutting mechanism 20, pan feeding mechanism 30 is used for the head end of centre gripping material area 300, and remove to the direction that is close to winding needle 200, so that the head end of material area 300 is close to and sends into winding needle 200.

The embodiment of the utility model provides a set up inserted sheet mechanism 10 and set up pan feeding mechanism 30 in the low reaches that cuts mechanism 20 through the upper reaches that cuts mechanism 20, on the one hand, before cutting mechanism 20 cuts material area 300, inserted sheet mechanism 10 centre gripping material area 300, can make material area 300 be in the state of tensioning and be convenient for cut, on the other hand, cut mechanism 20 and cut after accomplishing, the head end of pan feeding mechanism 30 centre gripping material area 300 is to the direction removal that is close to winding needle 200, not only can tension material area 300, and because the head end of material area 300 is delivered to the position that is close to winding needle 200 nearer by the centre gripping, thereby can guarantee that the head end of material area 300 can accurately deliver to winding needle 200, with the alignment degree that improves the head end of material area 300 and the pan feeding position of winding needle 200.

In this embodiment, as shown in fig. 1, the conveying direction of the material tape 300 is the arrow direction shown in the figure, and the inserting sheet mechanism 10, the cutting mechanism 20 and the feeding mechanism 30 are sequentially arranged along the arrow direction shown in the figure. The working principle of the pole piece feeding device 100 in this embodiment is substantially as follows: when a cell is wound, the inserting mechanism 10 acts to clamp the material tape 300, the cutting mechanism 20 cuts the material tape 300, the winding needle 200 rotates to close the material tape 300 to complete the winding of the previous cell, the cut material tape 300 is clamped by the inserting mechanism 10, the inserting mechanism 10 firstly clamps the head of the material tape 300 to move a small distance towards the direction of the winding needle 200 or the cutting mechanism 20 moves a small distance towards the direction far away from the winding needle 200 to enable the head end of the material tape 300 to extend out of the cutting mechanism 20, the feeding mechanism 30 moves to the head end position of the material tape 300 along the direction far away from the winding needle 200 to clamp the head end of the material tape 300 and moves towards the direction close to the winding needle 200, at this time, as the head end of the material tape 300 is clamped to the position close to the winding needle 200, the position of the material tape 300 is accurate, and finally, the feeding mechanism 30 rotates to convey the material tape 300 towards the direction of the winding needle, the winding needle 200 winds the head end of the material tape 300 and continuously rotates until one battery cell is wound.

In one embodiment, during the process that the feeding mechanism 30 clamps the head end of the material tape 300 and moves towards the direction close to the winding needle 200, the inserting sheet mechanism 10 can clamp the material tape 300 and move towards the direction close to the winding needle 200 synchronously with the feeding mechanism 30. In another embodiment, during the process that the feeding mechanism 30 clamps the head end of the material tape 300 and moves to the direction close to the winding needle 200, the tab mechanism 10 may release the material tape 300, and the tab mechanism 10 does not move along with the feeding mechanism 30.

In this embodiment, as shown in fig. 2, fig. 2 is a schematic plan structure diagram of the sheet inserting mechanism in fig. 1. The inserting sheet mechanism 10 may include a mounting bracket 12, a fixed nip roller 14 disposed on the mounting bracket 12, and a movable nip roller 16 disposed opposite to the fixed nip roller 14, wherein the movable nip roller 16 is disposed on a movable nip roller seat 18, the movable nip roller seat 18 is connected to one end of a guide post 11, the guide post 11 is slidably disposed on the mounting bracket 12, a clamping cylinder 13 is further disposed on the mounting bracket 12, and a driving end of the clamping cylinder 13 is connected to the movable nip roller seat 18. The clamping cylinder 13 can drive the movable clamping roller 16 to move relative to the fixed clamping roller 14 to clamp or unclamp the material belt 300.

Of course, in other embodiments, the tab mechanism 10 may also adopt other types of structures, and the embodiments of the present invention are not limited in particular.

In the present embodiment, as shown in fig. 1, 3 and 4, fig. 3 is a left-view structural diagram of a part of elements in fig. 1, and fig. 4 is a right-view structural diagram of a part of elements in fig. 3. The pole piece feeding device 100 further comprises a mounting plate 40, a first transmission mechanism 50, a second transmission mechanism 60 and a third transmission mechanism 70 which are arranged on the mounting plate 40, and a first slide rail 42 and a second slide rail 44 which are arranged on the mounting plate 40 in parallel. The inserting sheet mechanism 10 and the cutting mechanism 20 are slidably supported on the first slide rail 42 and move along the first slide rail 42 under the driving of the first transmission mechanism 50 and the second transmission mechanism 60, respectively, and the feeding mechanism 30 is slidably supported on the second slide rail 44 and moves along the second slide rail 44 under the driving of the third transmission mechanism 70.

Specifically, a first slide rail 42 and a second slide rail 44 extending along a transmission direction (an up-down direction shown in fig. 3) of the tape 300 are arranged on the mounting plate 40, a first slide block 41 and a second slide block 43 are arranged on the first slide rail 42 in a sliding manner, a third slide block 45 is arranged on the second slide rail 44 in a sliding manner, a first slide seat 46 is arranged on the first slide block 41, the first slide seat 46 is provided with the tab mechanism 10, the first slide seat 46 is in power connection with a first transmission mechanism 50, and the first transmission mechanism 50 can drive the first slide seat 46 to move up and down, so as to drive the tab mechanism 10 on the first slide seat 46 to move up and down. The second slide seat 47 is arranged on the second slide block 43, the cutting mechanism 20 is arranged on the second slide seat 47, the second slide seat 47 is in power connection with the second transmission mechanism 60, and the second transmission mechanism 60 can drive the second slide seat 47 to move up and down. The third slide carriage 48 is arranged on the third slide block 45, the feeding mechanism 30 is arranged on the third slide carriage 48, the third slide carriage 48 is in power connection with the third transmission mechanism 70, and the third transmission mechanism 70 can drive the third slide carriage 48 to move up and down. By arranging the inserting mechanism 10 and the cutting mechanism 20 on the first slide rail 42 and arranging the feeding mechanism 30 on the second slide rail 44, the interference of the movement of the feeding mechanism 30 and the cutting mechanism 20 can be avoided, and the stroke of the feeding mechanism 30 can be increased.

Optionally, as shown in fig. 3, the number of the first slide rails 42 and the number of the second slide rails 44 are two, the two second slide rails 44 are disposed between the two first slide rails 42, the first slider 41 is slidably connected to the two first slide rails 42, the second slider 43 is slidably connected to the two first slide rails 42, and the third slider 45 is slidably connected to the two second slide rails 44, so that the movement of the first slide 46, the second slide 47, and the third slide 48 is more stable.

As shown in fig. 3 and 4, the first transmission mechanism 50 includes a first motor 51, a first lead screw 52 and a first lead screw nut 53, the first lead screw 52 is rotatably disposed on the mounting plate 40, an axial direction of the first lead screw 52 is parallel to an extending direction of the first slide rail 42, a driving end of the first motor 51 is connected to the first lead screw 52 for driving the first lead screw 52 to rotate, the first lead screw nut 53 is screwed to the first lead screw 52 and connected to the first slide seat 46, and when the first lead screw 52 rotates, the first lead screw nut 53 drives the first slide seat 46 to move up and down relative to the mounting plate 40.

Alternatively, in the present embodiment, the first motor 51 is connected to the first lead screw 52 through a timing belt assembly, and the first lead screw 52 is disposed on the back of the mounting plate 40. Specifically, the first motor 51 is arranged on a first motor fixing seat 54, a driving end of the first motor 51 is provided with a synchronizing wheel 55, the first lead screw 52 is arranged on a first lead screw support 56, the first lead screw support 56 is arranged on the back of the mounting plate 40, one end of the first lead screw 52 is provided with the synchronizing wheel 55, the two synchronizing wheels 55 are connected through a synchronous belt 57, a first lead screw nut 53 is arranged on the first lead screw 52, and the first lead screw nut 53 is connected with the first sliding seat 46 through a driving block. The first motor 51 drives the first lead screw 52 to rotate through the synchronous belt assembly, and further drives the first sliding base 46 to move up and down. Through adopting the synchronous belt assembly to connect the first motor 51 with the first screw 52, the structure of the first transmission mechanism 50 can be more compact, and the size of the first transmission mechanism 50 can be further reduced. The first lead screw 52 is mounted on the back surface of the mounting plate 40, so that the first lead screw 52 can avoid interference with the inserting mechanism 10, the cutting mechanism 20 and the feeding mechanism 30 on the main surface of the mounting plate 40.

In another embodiment, the first motor 51 may also be connected to the first lead screw 52 through a coupling or the like, and the embodiment of the present application is not particularly limited. The second transmission mechanism 60 and the third transmission mechanism 70 have a structure similar to that of the first transmission mechanism 50, and please refer to the arrangement of the first transmission mechanism 50, which is not described herein again.

Further, the pole piece feeding device 100 further includes a guiding mechanism 80, please refer to fig. 1, fig. 5 and fig. 6, fig. 5 is a schematic plane structure diagram of the guiding mechanism in fig. 1 at one viewing angle, and fig. 6 is a schematic plane structure diagram of the guiding mechanism in fig. 1 at another viewing angle. The guiding mechanism 80 is disposed between the inserting mechanism 10 and the cutting mechanism 20, and is used for guiding the head end of the material tape 300, so as to prevent the head end of the material tape 300 from swinging arbitrarily.

In the present embodiment, the guiding mechanism 80 includes a spiral spring (not shown in the figure) and a conducting wire 81, the spiral spring is disposed on one of the inserting sheet mechanism 10 and the cutting mechanism 20, one end of the conducting wire 81 is connected to the spiral spring, and the other end of the conducting wire 81 is connected to the other of the inserting sheet mechanism 10 and the cutting mechanism 20. The spiral spring winds or releases the conducting wire 81 along with the change of the distance between the inserting mechanism 10 and the cutting mechanism 20, and the material belt 300 is attached to the conducting wire 81.

Specifically, in an embodiment, a spiral spring is disposed on the sheet inserting mechanism 10, one end of the conducting wire 81 is connected to the spiral spring, the other end of the conducting wire 81 is connected to the cutting mechanism 20 through a pressing block, when the sheet inserting mechanism 10 and the cutting mechanism 20 move relatively to each other, so that the distance between the two changes, the conducting wire 81 can contract or extend under the action of the spiral spring to maintain a tensioning state, and the tape 300 between the sheet inserting mechanism 10 and the cutting mechanism 20 is supported on the conducting wire 81, thereby preventing the tape 300 and the head end thereof from swinging arbitrarily.

It can be understood that, in another embodiment, the spiral spring may also be disposed on the cutting mechanism 20, one end of the conducting wire 81 is connected to the spiral spring, and the other end of the conducting wire 81 is connected to the inserting sheet mechanism 10 through a pressing block, and the operation process is the same as that in the previous embodiment, and will not be described herein again.

In another embodiment, the guiding mechanism 80 may be further disposed between the cutting mechanism 20 and the feeding mechanism 30, a spiral spring is disposed on one of the cutting mechanism 20 and the feeding mechanism 30, one end of the wire 81 is connected to the spiral spring, and the other end of the wire 81 is connected to the other of the cutting mechanism 20 and the feeding mechanism 30. The spiral spring winds or releases the conducting wire 81 along with the change of the distance between the cutting mechanism 20 and the feeding mechanism 30, and the material belt 300 is attached to the conducting wire 81.

In other embodiments, the guiding mechanism 80 may also be disposed at any position where the tape 300 needs to be guided, and the embodiment of the present invention is not limited specifically, and can be flexibly disposed as required.

Further, as shown in fig. 1, the pole piece feeding device 100 further includes a deviation correcting mechanism 90 and a first detecting mechanism 110, wherein the deviation correcting mechanism 90 is disposed at the upstream of the tab inserting mechanism 10 along the conveying direction of the material tape 300, and is configured to correct the deviation of the material tape 300 entering the pole piece feeding device 100 along the width direction of the material tape 300; the first detection mechanism 110 is disposed between the deviation correction mechanism 90 and the inserting mechanism 10, and is configured to detect a position of the material tape 300 corrected by the deviation correction mechanism 90, and feed back the position of the material tape 300 to the deviation correction mechanism 90 to control the deviation correction mechanism 90 to correct the deviation.

Wherein, the deviation rectifying mechanism 90 can be a snake-shaped deviation rectifying mechanism, and the snake-shaped deviation rectifying mechanism can adopt the arrangement in the prior art, which is not described herein again. After the material belt 300 enters the snake-shaped deviation rectifying mechanism for deviation rectification, the output material belt 300 enters the inserting piece mechanism 10 after passing through the first detection mechanism 110. The first detection mechanism 110 can detect and feed back the position of the material tape 300 to the snake-shaped deviation rectifying mechanism in real time, so that the snake-shaped deviation rectifying mechanism can adjust the position of the material tape 300 in time, and the position accuracy of the material tape 300 can be ensured.

In this embodiment, the deviation correcting mechanism 90 and the inserting sheet mechanism 10 may be disposed on the first sliding base 46 at the same time, so that the deviation correcting mechanism 90 and the inserting sheet mechanism 10 are always kept in a relatively static state, and the material tape 300 between the inserting sheet mechanism 10 and the deviation correcting mechanism 90 is always kept in a tensioned state.

Referring to fig. 7, fig. 7 is a schematic plan view of the first detecting mechanism in fig. 1. The first detection mechanism 110 includes a base 111, a sliding rod 112, an adjusting rod 113, a sensor assembly 114, a guide assembly 115, a first fastener 116 and a second fastener 117, the sliding rod 112 is disposed on the base 111, the sensor assembly 114 and the guide assembly 115 are slidably supported on the sliding rod 112, the first fastener 116 is used for connecting the sensor assembly 114 with the adjusting rod 113, the second fastener 117 is used for connecting the guide assembly 115 with the adjusting rod 113, the adjusting rod 113 is used for adjusting the position of the sensor assembly 114 and/or the guide assembly 115 connected with the adjusting rod 113 on the sliding rod 112, the sensor assembly 114 is used for detecting the position of the strip 300, and the guide assembly 115 is correspondingly disposed at the tab position of the strip 300 and used for guiding tabs.

Specifically, the base 111 is disposed on the first sliding seat 46, two connecting blocks 118 are disposed on the base 111, a sliding rod 112 is disposed on the two connecting blocks 118, and the sensor assembly 114 and the guide assembly 115 are slidably supported on the sliding rod 112. An adjusting rod 113 is connected between the sensor assembly 114 and the guide assembly 115, and the sensor assembly 114 is fastened or unfastened by a first fastening member 116 and the adjusting rod 113. The guide assembly 115 is fastened or unfastened by the second fastening member 117 and the adjustment lever 113. The position of the sensor assembly 114 can be quickly adjusted manually using the adjustment lever 113 when the first fastener 116 is tightened, and the position of the guide assembly 115 can be quickly adjusted manually using the adjustment lever 113 when the second fastener 117 is tightened. When the first fastener 116 and the second fastener 117 are tightened, the position of the sensor assembly 114 and the guide assembly 115 on the sliding rod 112 can be quickly adjusted manually by using the adjusting rod 113, so as to improve the adjustment efficiency of the sensor assembly 114 and the guide assembly 115.

Further, as shown in fig. 7, the sensor assembly 114 includes a first connection portion 1141 and a sensor 1142 disposed on the first connection portion 1141, and the guide assembly 115 includes a second connection portion 1151 and a first guide plate 1152 disposed on the second connection portion 1151.

Specifically, the first connection portion 1141 and the second connection portion 1151 are slidably disposed on the sliding rod 112, the sensors 1142 are connected to the first connection portion 1141 through the sensor bracket, the number of the sensors 1142 is two, the two sensors 1142 are disposed on the sensor bracket, and the tape 300 is conveyed between the two sensors 1142, so as to detect the position of the tape 300. The number of the first guide plates 1152 is two, two first guide plates 1152 are oppositely disposed on the second connecting portion 1151, the first guide plates 1152 are disposed corresponding to the positions of the tabs of the material tape 300, so that the tabs are conveyed between the two first guide plates 1152, and the first guide plates 1152 are used for guiding the tabs and preventing the tabs from being bent.

Further, the first detection mechanism 110 further includes an adjusting screw 119, the adjusting screw 119 is rotatably disposed on the base 111, and a driving end of the adjusting screw 119 is used for being screwed with the first connection portion 1141 or the second connection portion 1151, and is used for driving the first connection portion 1141 or the second connection portion 1151 to move relative to the sliding rod 112.

As shown in fig. 7, in the present embodiment, the driving end of the adjusting screw 119 is threadedly connected to the second connecting portion 1151. Specifically, the adjusting screw 119 is rotatably disposed on the connecting block 118 for fixing the guiding assembly 115, the driving end of the adjusting screw 119 is in threaded connection with the second connecting portion 1151, and when the first fastening member 116 and the second fastening member 117 are both fastened, the adjusting screw 119 is rotated to drive the adjusting rod 113 and the first connecting portion 1141 to move through the second connecting portion 1151 so as to precisely adjust the position of the sensor 1142, which is convenient for precisely detecting the position of the material tape 300.

It is understood that in another embodiment, the driving end of the adjustment screw 119 may also be connected with the first connection portion 1141. Specifically, the adjusting screw 119 is rotatably disposed on the connecting block 118 for fixing the sensor assembly 114, the driving end of the adjusting screw 119 is in threaded connection with the first connecting portion 1141, and when the first fastening member 116 and the second fastening member 117 are both fastened, the adjusting screw 119 is rotated to drive the adjusting rod 113 and the second connecting portion 1151 through the first connecting portion 1141 to move so as to precisely adjust the position of the first guide plate 1152, thereby facilitating the guidance of the tab.

Further, as shown in fig. 1, the pole piece feeding device 100 further includes a second detecting mechanism 120 and a third detecting mechanism 130, the second detecting mechanism 120 and the third detecting mechanism 130 are disposed between the inserting mechanism 10 and the cutting mechanism 20, and the second detecting mechanism 120 is used for detecting the cutting position of the material tape 300; the third detecting mechanism 130 is correspondingly disposed at the tab position of the material tape 300, and is used for detecting whether the tab has a break angle.

In the present embodiment, the second detection mechanism 120 and the third detection mechanism 130 are both disposed on the second slide seat 47. Referring to fig. 1 and 8, fig. 8 is a schematic plan view of the second and third detecting mechanisms in fig. 1. The second slide seat 47 is provided with a connecting member 121, the connecting member 121 is connected with a guiding member 122, and the guiding member 122 is slidably provided with a first connecting seat 123 for connecting the second detecting mechanism 120 and a second connecting seat 124 for connecting the third detecting mechanism 130. The third sensing mechanism 130 includes a sensing bracket 131 and a first sensor 132 and a second sensor 133 disposed on the sensing bracket 131. the tab has a first end connected to the strip of material 300 and a second end remote from the connection of the tab to the strip of material 300. The first sensor 132 and the second sensor 133 are spaced apart from each other along a line connecting the first end and the second end. The first sensor 132 is used for detecting the length of the tab at the position corresponding to the first sensor 132, and the second sensor 133 is used for detecting the length of the tab at the position corresponding to the second sensor 133, so as to determine whether the tab is bent according to the ratio of the length of the tab detected by the first sensor 132 to the length of the tab detected by the second sensor 133. That is, the length of the two sets of parallel lines perpendicular to the direction of the connection line between the first end and the second end on the tab is detected, and whether the tab is bent or not is judged according to the length of the two parallel lines.

Optionally, in order to improve the detection accuracy, the first sensor 132 may be correspondingly disposed at a position close to the first end of the tab for detecting the length of the tab close to the first end, and the second sensor 133 may be correspondingly disposed at a position close to the second end of the tab for detecting the length of the tab close to the second end. The distance between the first sensor 132 and the first end of the tab and the distance between the second sensor 133 and the second end of the tab may be flexibly set as required, and this embodiment of the present application is not specifically limited.

Specifically, the detection bracket 131 includes a first mounting portion 1311, a second mounting portion 1312, and a connection portion 1313 connected between the first mounting portion 1311 and the second mounting portion 1312. The first and second mounting

portions

1311 and 1312 are disposed in parallel at intervals, and a tab is located between the first and second mounting

portions

1311 and 1312. The first and

second sensors

132 and 133 each include a transmitting end and a receiving end, which are disposed on the first and second mounting

parts

1311 and 1312, respectively. When the tab passes through the first sensor 132 and the second sensor 133, the tab can shield the light emitted from the emitting end to the receiving end, so that the length of the position of the tab corresponding to the first sensor 132 and the length of the position of the tab corresponding to the second sensor 133 can be calculated according to the shielding time of the tab on the light and the transmission speed of the material belt 300, and whether the tab is bent or not can be further judged according to the relationship between the two lengths.

If the tab is a rectangular tab, when the length of the tab detected by the first sensor 132 is equal to the length of the tab detected by the second sensor 133, the tab has no break angle. If the tab is a trapezoidal tab, when the length of the tab detected by the first sensor 132 is in a certain proportion to the length of the tab detected by the second sensor 133, the tab has no break angle. Otherwise, the tab has a folded angle.

Optionally, a second guide plate 1314 may be further disposed on the connecting portion 1313, the second guide plate 1314 extends and is disposed in the U-shaped region of the detecting bracket 131, the number of the second guide plates 1314 is two, the two second guide plates 1314 are disposed at an interval, the tab penetrates through between the two second guide plates 1314, and the second guide plate 1314 is configured to guide the tab, so that the tab smoothly passes through the first sensor 132 and the second sensor 133, and further, the detection accuracy of the first sensor 132 and the second sensor 133 is improved.

Further, the second detecting mechanism 120 is connected to the first connecting seat 123 through a mounting bracket 125, and the mounting bracket 125 is U-shaped. The second detection mechanism 120 is a photoelectric sensor, and includes a transmitting end and a receiving end, the transmitting end and the receiving end are disposed on two opposite sides of the U-shaped assembly bracket 125, and the material belt 300 passes through the second detection mechanism 120 from between the transmitting end and the receiving end, so as to detect the cutting position of the material belt 300.

Optionally, as shown in fig. 8, a third connecting seat 126 is further slidably disposed on the guiding element 122, a third guiding plate 127 is disposed on the third connecting seat 126, and the third guiding plate 127 is supported on the tape 300 for guiding the tape 300.

Further, in this embodiment, the feeding mechanism 30 drives the head end of the material tape 300 to approach the winding needle 200 in a linear movement manner, and feeds the head end of the material tape 300 to the winding needle 200 in a rolling manner, and the feeding mechanism 30 further corrects the head end of the material tape 300 in the width direction of the material tape 300. Through setting up pan feeding mechanism 30 and rectifying the head end of material area 300 on the width direction of material area 300, can further promote the alignment degree of the head end of material area 300 and winding pin 200, and then make the position of the head end of material area 300 more accurate.

Specifically, referring to fig. 9 and 10, fig. 9 is a schematic plan view of the feeding mechanism in fig. 1 from one viewing angle, and fig. 10 is a schematic plan view of the feeding mechanism in fig. 9 from another viewing angle. The feeding mechanism 30 comprises a fixed seat 32, a fixed bracket 34, a driving roller 36, a driven roller 38, a clamping driving member 31, a deviation-correcting driving member 33 and a feeding driving member 35. The fixed seat 32 is slidably supported on the mounting plate 40, the fixed bracket 34 is slidably supported on the fixed seat 32, and the driving roller 36 and the driven roller 38 are rotatably supported on the fixed bracket 34; the clamp drive 31 is used to drive the drive roller 36 and the driven roller 38 relatively close together to grip the leading end of the strip of material 300. Wherein, the fixing seat 32 moves towards the winding needle 200 under the transmission of the third transmission mechanism 70, and further transmits the head end of the material belt 300 to be close to the winding needle 200 in a linear movement manner; the deviation-rectifying driving member 33 is used for driving the fixing support 34 to move relative to the fixing base 32, so as to rectify the head end of the material belt 300 in the width direction of the material belt 300; the feeding driving member 35 drives the driving roller 36 to drive the driven roller 38 to roll, so as to feed the head end of the material tape 300 into the winding needle 200 in a rolling manner.

Referring to fig. 1, 9 and 10, the fixing base 32 is disposed on the third sliding base 48, the deviation-correcting driving member 33 includes a deviation-correcting motor 331, a deviation-correcting screw rod 332 and a deviation-correcting screw rod nut 333, and the deviation-correcting motor 331 is connected to the deviation-correcting screw rod 332 for driving the deviation-correcting screw rod 332 to rotate. The deviation-correcting screw nut 333 is screwed with the deviation-correcting screw 332, when the deviation-correcting screw 332 rotates, the deviation-correcting screw nut 333 can move along the axial direction of the deviation-correcting screw 332, and the deviation-correcting screw nut 333 is connected with the fixed bracket 34, so as to drive the fixed bracket 34 to move relative to the fixed base 32.

Specifically, a correction motor fixing seat 334 is arranged on the fixing seat 32, a correction motor 331 is arranged on the correction motor fixing seat 334, a driving end of the correction motor 331 is connected with one end of a correction screw rod 332 through a coupler 335, the correction screw rod 332 is arranged on a correction screw rod support, a correction screw rod nut 333 is arranged on the correction screw rod 332, the correction screw rod nut 333 is connected with the fixing support 34 through a correction driving block 336, the fixing support 34 is provided with a correction slide block 337, the correction slide block 337 is arranged on a correction slide rail 338, and the correction slide rail 338 is connected with the fixing seat 32, so that the fixing support 34 is slidably supported on the fixing seat 32. The principle of the movement of the fixing bracket 34 relative to the fixing seat 32 is as follows: the deviation-correcting motor 331 drives the deviation-correcting screw rod 332 to rotate, the deviation-correcting screw rod 332 drives the deviation-correcting screw rod nut 333 screwed with the deviation-correcting screw rod 332 to move along the axial direction of the deviation-correcting screw rod 332, and the deviation-correcting screw rod nut 333 further drives the fixing support 34 to move along the axial direction of the deviation-correcting screw rod 332. In addition, the deviation rectifying slide 337 and the deviation rectifying slide 338 arranged between the fixed bracket 34 and the fixed seat 32 can make the movement of the fixed bracket 34 more stable.

The driving roller 36 and the driven roller 38 are rotatably disposed on the fixing bracket 34, and when the deviation-correcting driving element 33 drives the fixing bracket 34 to move relative to the fixing base 32, the driving roller 36 and the driven roller 38 move relative to the fixing base 32, so as to correct the deviation of the head end of the material tape 300 in the width direction of the material tape 300.

In this embodiment, the feeding driving member 35 may adopt a feeding motor, the feeding motor is disposed at one end of the fixing bracket 34 through a fixing seat of the feeding motor, and a driving end of the feeding motor is connected to one end of the driving roller 36 through a synchronizing wheel and a synchronizing belt structure for driving the driving roller 36 to rotate, so as to feed the head end of the material belt 300 into the winding pin 200 in a rolling manner.

The fixed bracket 34 is provided with a driven roller fixing seat 341, and the driven roller 38 is rotatably supported on the fixed bracket 34 through the driven roller fixing seat 341. The clamping driving member 31 includes a driving cylinder disposed on the fixing bracket 34, a driving end of the driving cylinder is connected to the driven roller fixing seat 341 for driving the driven roller fixing seat 341 to move and driving the driven roller 38 located on the driven roller fixing seat 341 to move towards the driving roller 36, so as to clamp the head end of the material tape 300, and the head end of the material tape 300 is driven by the third transmission mechanism 70 to be close to the winding needle 200 in a linear movement manner.

Optionally, a guide rod 342 is further slidably disposed on the fixed bracket 34, the driven roller fixing seat 341 is connected to one end of the guide rod 342, and the guide rod 342 disposed on the fixed bracket 34 can be used to guide the driven roller fixing seat 341, so that the movement of the driven roller 38 is more stable and accurate.

Optionally, the pole piece feeding device 100 further includes a fourth detection mechanism 140, and the fourth detection mechanism 140 is configured to detect the position of the material tape 300 in real time and feed back the position of the material tape 300 to the feeding mechanism 30, so that the feeding mechanism 30 can correct the position in time, and the position of the material tape 300 is accurate. The structure of the fourth detecting mechanism 140 is the same as that of the first detecting mechanism 110, please refer to the description of the first detecting mechanism 110, which is not repeated herein.

The other aspect of the present application further provides a winding apparatus, the winding apparatus includes a winding needle 200 and a pole piece feeding device 100, the pole piece feeding device 100 is configured to convey the material tape 300 to the winding needle 200, and the winding needle 200 is configured to wind the material tape 300 to form a battery cell.

In this embodiment, the structure of the pole piece feeding device 100 is the same as that of the pole piece feeding device 100 in the above embodiment, please refer to the description in the above embodiment, and details are not repeated here.

In summary, as those skilled in the art can easily understand, the embodiment of the present invention provides the inserting mechanism 10 at the upstream of the cutting mechanism 20 and the feeding mechanism 30 at the downstream of the cutting mechanism 20, on one hand, before the cutting mechanism 20 cuts the material strip 300, the inserting mechanism 10 clamps the material strip 300, so that the material strip 300 is in the tensioned state for easy cutting, and on the other hand, after the cutting mechanism 20 finishes cutting, the feeding mechanism 30 clamps the head end of the material strip 300 to move toward the direction close to the winding needle 200, which not only can tension the material strip 300, but also can ensure that the head end of the material strip 300 can be accurately sent to the winding needle 200 because the head end of the material strip 300 is clamped to the position close to the winding needle 200, so as to improve the alignment degree of the head end of the material strip 300 and the feeding position of the winding needle 200.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a pole piece pan feeding device, pole piece pan feeding device is used for carrying the material area to the winding needle, a serial communication port, pole piece pan feeding device includes the edge the direction of delivery in material area sets gradually the inserted sheet mechanism, cut mechanism and pan feeding mechanism, inserted sheet mechanism is used for the centre gripping the material area, it is used for cutting off to cut the mechanism the material area, wherein the material area is in the back is cut off, inserted sheet mechanism further to being close to the direction conveying of winding needle the material area or cut the mechanism to keeping away from the direction removal of winding needle, so that the head end in material area expose in cut mechanism, pan feeding mechanism is used for the centre gripping the head end in material area, and to being close to the direction removal of winding needle, so that the head end in material area is close to and sends into the winding needle.

2. The pole piece feeding device according to claim 1, further comprising a mounting plate, a first transmission mechanism, a second transmission mechanism and a third transmission mechanism arranged on the mounting plate, and a first slide rail and a second slide rail arranged on the mounting plate in parallel, wherein the inserting mechanism and the cutting mechanism are slidably supported on the first slide rail and are respectively driven by the first transmission mechanism and the second transmission mechanism to move along the first slide rail, and the feeding mechanism is slidably supported on the second slide rail and is driven by the third transmission mechanism to move along the second slide rail.

3. The pole piece feeding device according to claim 1, further comprising a guiding mechanism, wherein the guiding mechanism is disposed between the inserting mechanism and the cutting mechanism and/or between the cutting mechanism and the feeding mechanism, for guiding the head end of the material belt.

4. The pole piece pan feeding device of claim 3, characterized in that, guiding mechanism includes volute spiral spring and wire, volute spiral spring sets up the inserted sheet mechanism with cut one in the mechanism and/or cut the mechanism with on one in the pan feeding mechanism, the one end of wire with volute spiral spring connects, the other end of wire is connected the inserted sheet mechanism with cut another in the mechanism and/or cut the mechanism with another in the pan feeding mechanism, volute spiral spring along with inserted sheet mechanism with cut the distance change between the mechanism and/or cut the mechanism with the distance change rolling or release between the pan feeding mechanism the wire, the material area paste lean on in on the wire.

5. The pole piece feeding device according to claim 1, further comprising a deviation correcting mechanism and a first detecting mechanism, wherein the deviation correcting mechanism is arranged upstream of the tab mechanism along the conveying direction of the material belt and is used for correcting the material belt entering the pole piece feeding device along the width direction of the material belt; the first detection mechanism is arranged between the deviation correction mechanism and the inserting piece mechanism and used for detecting the position of the material belt after the deviation correction mechanism corrects the deviation and feeding the position of the material belt back to the deviation correction mechanism.

6. The pole piece feeding device according to claim 5, wherein the first detection mechanism comprises a base, a slide bar, an adjusting bar, a sensor assembly, a guide assembly, a first fastener and a second fastener, the slide bar is disposed on the base, the sensor assembly and the guide assembly are slidably supported on the slide bar, the first fastener is used for connecting the sensor assembly with the adjusting bar, the second fastener is used for connecting the guide assembly with the adjusting bar, the adjusting bar is used for adjusting the position of the sensor assembly and/or the guide assembly on the slide bar, the sensor assembly is used for detecting the position of the material strap, and the guide assembly is correspondingly disposed at the position of the tab of the material strap and used for guiding the tab.

7. The pole piece feeding device according to claim 6, wherein the sensor assembly comprises a first connecting portion and a sensor disposed on the first connecting portion, the guide assembly comprises a second connecting portion and a first guide plate disposed on the second connecting portion, the first connecting portion and the second connecting portion are slidably disposed on the slide rod, the first detecting mechanism further comprises an adjusting screw rotatably disposed on the base, wherein,

the driving end of the adjusting screw is in threaded connection with the first connecting part, and the adjusting screw is used for adjusting the position of the first connecting part on the sliding rod; or

The driving end of the adjusting screw is in threaded connection with the second connecting portion, and the adjusting screw is used for adjusting the position of the second connecting portion on the sliding rod.

8. The pole piece feeding device according to claim 1, further comprising a second detection mechanism and a third detection mechanism, wherein the second detection mechanism and the third detection mechanism are disposed between the inserting mechanism and the cutting mechanism, and the second detection mechanism is used for detecting the cutting position of the material belt; the third detection mechanism is correspondingly arranged at the position of the lug of the material belt and used for detecting whether the lug has a bevel or not.

9. The pole piece feeding device according to claim 8, wherein the third detecting mechanism comprises a detecting bracket and a first sensor and a second sensor arranged on the detecting bracket, the tab is provided with a first end connected with the material belt and a second end far away from the connection position of the tab and the material belt, the first sensor and the second sensor are arranged at intervals along the connecting line direction of the first end and the second end, the first sensor is used for detecting the length of the lug at the position corresponding to the first sensor, the second sensor is used for detecting the length of the position of the lug corresponding to the second sensor, and judging whether the tab is bent or not according to the length ratio of the tab detected by the first sensor to the tab detected by the second sensor.

10. The pole piece feeding device according to claim 9, wherein the detection bracket includes a first mounting portion, a second mounting portion and a connecting portion connected between the first mounting portion and the second mounting portion, the first mounting portion and the second mounting portion are arranged in parallel at intervals, the first sensor and the second sensor both include a transmitting end and a receiving end, and the transmitting end and the receiving end are respectively arranged on the first mounting portion and the second mounting portion.

11. The pole piece feeding device as claimed in claim 1, wherein the feeding mechanism drives the leading end of the material strip to approach the winding needle in a linear movement manner and feeds the leading end of the material strip into the winding needle in a rolling manner, and the feeding mechanism further corrects the leading end of the material strip in a width direction of the material strip.

12. The pole piece feeding device according to claim 11, wherein the pole piece feeding device comprises a mounting plate and a third transmission mechanism disposed on the mounting plate, and the feeding mechanism comprises:

the fixing seat is supported on the mounting plate in a sliding manner;

the fixed bracket is supported on the fixed seat in a sliding manner;

the driving roller and the driven roller are rotatably supported on the fixed bracket;

the clamping driving part is used for driving the driving roller and the driven roller to relatively approach to each other so as to clamp the head end of the material belt, wherein the fixed seat moves towards the winding needle under the transmission of the third transmission mechanism so as to transmit the head end of the material belt to approach to the winding needle in a linear movement mode;

the deviation rectifying driving part is used for driving the fixed support to move relative to the fixed seat so as to rectify the head end of the material belt in the width direction of the material belt;

and the feeding driving part drives the driving roller to drive the driven roller to roll, and then the head end of the material belt is fed into the winding needle in a rolling mode.

13. A winding apparatus, characterized in that the winding apparatus comprises a winding needle and a pole piece feeding device according to any one of claims 1 to 12, the pole piece feeding device being configured to feed a material strip to the winding needle, the winding needle being configured to wind the material strip to form a cell.