CN205810983U - Rolling feeding device and cell winding equipment with the device - Google Patents

Abstract

The utility model provides a roll pan feeding device and have device's electric core coiling equipment, this roll pan feeding device include the support body and locate one-way wheel on the support body, the action wheel of rectifying, first pinch roller, second pinch roller, cutter mechanism and edge sensor. The deviation rectifying driving wheel is positioned in front of the one-way wheel along the feeding direction; the first pressing wheel and the second pressing wheel are movably arranged and respectively correspond to the one-way wheel and the deviation-rectifying driving wheel, the first pressing wheel moves to the one-way wheel to press the strip-shaped pole piece on the one-way wheel, and the one-way wheel conveys the pole piece to the deviation-rectifying driving wheel; the second pressure wheel moves to the position of the deviation-rectifying driving wheel, so that the pole piece conveyed by the unidirectional wheel is clamped between the deviation-rectifying driving wheel and the second pressure wheel, and the deviation-rectifying driving wheel conveys the clamped pole piece; the cutter mechanism is positioned in front of the deviation-rectifying driving wheel along the feeding direction, and cuts off the pole pieces conveyed by the deviation-rectifying driving wheel; the edge sensor is positioned between the one-way wheel and the cutter mechanism. The utility model discloses a roll pan feeding device has simple structure, multiple functional and the accurate advantage of pan feeding.

Description

Rolling feeding device and cell winding equipment with the device

technical field

The utility model relates to a rolling feeding device and winding equipment, in particular to a rolling feeding device used in the lithium battery industry and battery winding equipment with the device.

Background technique

With the continuous development of the economy and the continuous progress of the society, various material consumer goods are provided for people's production and life, and electronic products are one of the various material consumer goods.

Among them, for electronic products, such as mobile phones, computers, tablets, digital cameras and smart watches, etc., the use of lithium batteries is inseparable. Therefore, it creates a good development platform for the development of the lithium battery industry.

As we all know, the winding process in the lithium battery industry is to wind the cathode sheet and the anode sheet together, separate the middle with a diaphragm, and form a bare cell after multiple turns of winding, so that each turn of the bare cell contains Left diaphragm, left pole piece (cathode), right diaphragm and right pole piece (anode). In addition, during the winding process of the bare cell, since the cutting point of the pole piece is far away from the winding needle in the winding equipment, how the pole piece enters the winding needle is a key issue.

At present, the traditional method is to use the clamping feeding device 300 as shown in Figure 1, by means of the clip 310 of the clamping feeding device 300 clamping the head of the pole piece 200 to achieve sending the pole piece 200 to the needle rolling device purpose. However, since the clip 310 is usually relatively long, and the place where the clip 310 passes needs to be avoided, other related components are not well arranged. Therefore, the existing clamping feeding device 300 has a complicated structure and is not easy to use. High flexibility and limitations.

Likewise, the above-mentioned problems also exist in other winding equipment for multi-layer winding.

Therefore, there is an urgent need for a rolling feeding device and a battery winding device with the device to overcome the above-mentioned defects.

Utility model content

One purpose of the utility model is to provide a rolling feeding device with simple structure and precise feeding control.

Another purpose of the utility model is to provide a battery winding device with simple structure and precise feeding control.

In order to achieve the above purpose, the utility model provides a rolling feeding device, which is installed in the winding equipment, including a frame body, a one-way wheel, a deviation correction driving wheel, a first pressure wheel, and a second pressure wheel , a cutter mechanism and an edge sensor. The one-way wheel is set on the frame body; the correcting driving wheel is set on the frame body and is located in front of the one-way wheel along the feeding direction of the rolling feeding device; the first press The wheel is movably arranged on the frame body and corresponds to the one-way wheel, and the first pressure wheel moves along the position close to the one-way wheel to press the strip-shaped pole piece on the one-way wheel , and the one-way wheel transports the pole piece to the deviation correcting driving wheel; the second pressure wheel is movably arranged on the frame and corresponds to the deviation correcting driving wheel. The wheel moves close to the deviation correcting driving wheel to sandwich the polar piece delivered by the one-way wheel between the deviation correcting driving wheel and the second pressure wheel, and the deviation correcting driving wheel transports the clamped pole piece The cutter mechanism is assembled on the frame body and is located in front of the deviation correcting driving wheel along the feeding direction, and the cutting knife mechanism cuts off the pole piece delivered by the deviation correcting driving wheel; the edge sensor group It is located on the frame body and between the one-way wheel and the cutter mechanism.

Preferably, the edge sensor is located between the deviation correcting driving wheel and the cutter mechanism.

Preferably, the rolling feeding device of the present invention further includes a dust removal device assembled on the frame body, and the dust removal device is located in front of the cutter mechanism along the feeding direction.

Preferably, the cutter mechanism includes a fixed cutter and a movable cutter that cooperate with each other, the fixed cutter is fixed on the frame and is located outside one side of the pole piece, and the movable cutter moves The ground is arranged on the frame body and is located outside the other side corresponding to the pole piece.

Preferably, the moving directions of the first pressure roller and the second pressure roller are the same.

Preferably, the moving direction of the first pressing wheel and the second pressing wheel is perpendicular to the feeding direction.

Preferably, the first pressure roller moves away from the one-way wheel during the process of the deviation correcting driving wheel conveying the pole piece clamped by the deviation correcting driving wheel and the second pressure roller.

In order to achieve the above purpose, the battery winding equipment of the present utility model includes a frame and a first diaphragm feeding device, a second diaphragm feeding device, a first feeding roller device, and a second diaphragm feeding device assembled on the frame. Two-feed roller device, diaphragm cutter device, cutter auxiliary device and needle rolling device. Wherein, the electric core winding equipment of the utility model also includes two aforementioned rolling feeding devices, and the rolling feeding devices are assembled on the frame.

Preferably, the first feeding roller device, the first diaphragm feeding device, one of the rolling feeding devices, the second diaphragm feeding device, the other rolling feeding device and the second feeding process The roller devices are arranged sequentially along the winding direction of the needle winding device, and the first feeding roller device and the second feeding roller device are aligned with each other and can move closer or farther away from each other , the cutter auxiliary device cooperates with the diaphragm cutter device to cut off the diaphragm.

Preferably, the cell winding equipment of the present utility model also includes a finishing glue device assembled on the frame for attaching the outermost diaphragm of the bare cell wound by the needle winding device .

Compared with the prior art, since the rolling feeding device of the present invention includes a frame body, a one-way wheel, a first pressing wheel, a second pressing wheel, a cutter mechanism, a deviation correcting driving wheel and an edge sensor, when the first pressing wheel When the wheel moves close to the one-way wheel and the strip-shaped pole piece is pressed on the one-way wheel, the pole piece pressed on the one-way wheel cannot retreat, and the one-way wheel is freely transported forward to the deviation correction driving wheel. ;Then the second pressure wheel moves along the position close to the deviation correcting driving wheel to clamp the pole piece conveyed by the one-way wheel, and the deviation correcting driving wheel corrects and actively conveys the clamped pole piece according to the detection information of the edge sensor; while cutting The knife mechanism is to cut off the pole piece delivered by the deviation correcting driving wheel to meet the length requirement of a bare cell for the pole piece. Therefore, the rolling feeding device of the utility model has the advantages of simple structure, complete functions and precise feeding control.

Description of drawings

Fig. 1 is a structural schematic diagram of an existing clamping feeding device.

Fig. 2 is a schematic structural view of the rolling feeding device of the present invention.

Fig. 3 is a structural schematic diagram of the cell winding equipment of the present invention when the pole piece is actively feeding.

Fig. 4 is a structural schematic diagram of the cell winding equipment of the present invention when the pole piece enters the winding needle.

Fig. 5 is a structural schematic diagram of the cell winding equipment of the present invention when the bare cell is wound.

Fig. 6 is a structural schematic diagram of the battery winding equipment of the present invention after the bare battery is cut and the pole piece is actively feeding.

detailed description

In order to describe the technical content and structural features of the present utility model in detail, further description will be made below in conjunction with the embodiments and accompanying drawings.

Please refer to Fig. 2, the rolling feeding device 10 of the present invention is preferably installed in the cell winding equipment 100 shown in Fig. 3, of course, it can be installed in other multi-layer winding equipment according to actual needs Therefore, it is not limited to this example.

Among them, the rolling feeding device 10 of the present utility model includes a frame body 11, a one-way wheel 12, a first pressure wheel 13, a second pressure wheel 14, a cutter mechanism 15, a deviation correcting driving wheel 16 and an edge sensor 17. The one-way wheel 12 is assembled on the frame body 11, so that the one-way wheel 12 has a reverse braking function. The deviation correcting driving wheel 16 is set on the frame body 10 and is located in front of the one-way wheel 12 along the feeding direction of the rolling feeding device 10 (that is, the direction indicated by arrow A in FIG. 2 ), and is used for deviation correction and active conveyance of the pole piece 200 . The first pressure roller 13 is movably arranged on the frame body 11 and corresponds to the one-way wheel 12, so that the first pressure roller 13 and the one-way wheel 12 cooperate with each other, so when the first pressure roller 13 is close to the one-way wheel 12 Move, thereby the strip-shaped pole piece 200 is pressed on the one-way wheel 12, so that the pole piece pressed on the one-way wheel 12 cannot retreat, and the pole piece 200 is transported to the deviation correction driving wheel 16 by the one-way wheel 12; A pressure wheel 13 moves away from the one-way wheel 12, so that the first pressure wheel 13 loosens the pressure on the pole piece 200, and at this time the one-way wheel 12 no longer has a one-way function.

The second pressure roller 14 is movably arranged on the frame body 11 and corresponds to the deviation correcting driving wheel 16, so that the second pressure roller 14 cooperates with the deviation correcting driving wheel 16. move, so that the pole piece 200 conveyed by the one-way wheel 12 is clamped between the deviation correcting driving wheel 16 and the second pressure wheel 14, and the clamped pole piece 200 is transported by the deviation correcting driving wheel 16; specifically, in this embodiment , the correcting driving wheel 16 performs corresponding actions according to the detection signal of the lower edge sensor 17 to ensure that the feeding position of the pole piece 200 is within the required range at all times, so that the pole piece 200 can be wound very neatly, and the first pressing The wheel 13 moves away from the one-way wheel 12 when the deviation-correcting driving wheel 16 transports the pole piece 200 clamped by the deviation-correcting driving wheel 16 and the second pressure wheel 14 , and the one-way braking of the one-way wheel 12 is not needed.

The cutter mechanism 15 is set on the frame body 11 and is located in front of the deviation correcting driving wheel 16 along the feeding direction. The cutting knife mechanism 15 cuts off the pole piece 200 conveyed by the deviation correcting driving wheel 16 to meet the length of a bare cell opposite pole piece 200 Require. The edge sensor 17 is set on the frame body 11 and is located between the one-way wheel 12 and the cutter mechanism 15; The position of the pole piece 200 is detected in real time, and the detection data is transmitted to the deviation correcting driving wheel 16, so that the deviation correcting driving wheel 16 makes corresponding movements to ensure that the feeding position of the pole piece 200 is within the required range at all times, and it is understandable that , since the structure and principle of the edge sensor 17 are well known in the art, so it will not be described in detail here; preferably, the moving direction of the first pressure wheel 13 and the second pressure wheel 14 are the same, that is, the two sides in Fig. 2 In the direction indicated by the arrow, it is preferred that the moving direction of the first pressure roller 13 and the second pressure roller 14 is perpendicular to the feeding direction, but it is not limited thereto. More specifically, as follows:

Preferably, the rolling feeding device 10 of the present utility model also includes a dust removal device 18 assembled on the frame body 11. The dust removal device 18 is located in front of the cutter mechanism 15 along the feeding direction to remove the pole pieces 200 by high pressure or vacuum. Dust particles on the surface to ensure the quality and precision requirements of bare cells.

At the same time, the cutter mechanism 15 includes a fixed cutter 151 and a moving cutter 152 that cooperate with each other. The fixed cutter 151 is fixed on the frame body 11 and is positioned outside one side of the pole piece 200, and the movable cutter 152 is movably arranged on the frame body. 11 and located outside the other side corresponding to the pole piece 200, so that the movable cutter 152 moves along the position close to the fixed cutter 151 to cut off the pole piece 200 between the movable cutter 152 and the fixed cutter 151, so as to The length requirement of a bare cell pair pole piece 200 is met.

Please refer to Fig. 3 to Fig. 6, the electric core winding equipment 100 of the present utility model comprises the frame and the first diaphragm feeding device 20, the second diaphragm feeding device 30, the first feeding roller Device 40, second feeding roller device 50, diaphragm cutter device 60, cutter auxiliary device 70, needle rolling device 80 and two rolling feeding devices 10, which are assembled on the frame. Specifically, in this embodiment, the cell winding equipment 100 of the present utility model also includes a finishing device for attaching the outermost diaphragm of the bare cell wound by the needle winding device 80 to the machine frame. Gluing device 90; For example, as shown in Figure 3 to Figure 6, the first diaphragm feeding device 20 is used for the feeding of the left diaphragm 410, and the second diaphragm feeding device 30 is used for the feeding of the right diaphragm 420, A rolling feeding device 10 is used for feeding the left pole piece 200, another rolling feeding device 10 is used for feeding the right pole piece 200, the first feeding roller device 40, the first diaphragm feeding device 20, a The rolling feeding device 10 , the second diaphragm feeding device 30 , another rolling feeding device 10 and the second feeding passing roller device 50 are sequentially arranged along the circumference of the turntable 82 of the needle winding device 80 . The first feeding roller device 40 and the second feeding roller device 50 are aligned with each other and can move closer or farther away from each other to gather and separate the left and right diaphragms 410, 420. When the first feeding roller When the device 40 and the second feeding roller device 50 are separated from each other, it is convenient to feed the left and right pole pieces 200. When the first feeding roller device 40 and the second feeding roller device 50 are closed, the left and right pole pieces 200 can be clamped. Then use the power of the left and right diaphragms 410, 420 to bring the left and right moving pole pieces 200 down until they are rolled up half a circle by the needle 81 of the needle rolling device 80, then the left and right pole pieces 200 at this time cannot break away from the needle 81. The first feeding roller device 40 and the second feeding roller device 50 are slightly separated and not clamped so tightly, so that the winding needle 81 will be wound with the left and right diaphragms 410, 420 and the left and right pole pieces 200 to ensure Respective tension, so as to ensure the winding quality of bare cells. The cutter auxiliary device 70 cooperates with the diaphragm cutter device 60 to cut off the left and right diaphragms 410, 420; specifically, in this embodiment, the needle rolling device 80 has a rolling needle 81 at the upper station and a rolling needle 81 at the lower station , when the bare cell is wound up at the upper station, it will be switched to the lower station through the rotation of the turntable 82 of the needle winding device 80, and an empty winding needle 81 will come to the upper station, and then stretched out to move the left and right diaphragms 410 , 420 are sandwiched in the middle, so that the left and right diaphragms 410, 420 are connected between the upper station and the lower station. At this time, the cutter auxiliary device 70 cooperates with the diaphragm cutter device 60 to cut off the left and right diaphragms below the upper station. 410, 420, the bare cell on the lower station is finished and pasted by the gluing device 90, and the upper station can start the winding of a new bare cell.

Combining with Fig. 3 to Fig. 6, the working principle of the cell winding equipment of the present utility model is described: as shown in Fig. 3, when the bare cell is wound, from left to right are left diaphragm 410, left pole piece 200, The right diaphragm 420, the right pole piece 200, the left and right diaphragms 410, 420 are clamped by the needle 81, and the first feeding roller device 40 and the second feeding roller device 50 are now in an open state, as shown in FIG. 3 . At this time, the left and right pole pieces 200 are actively conveyed to the bottom of the first feeding roller device 40 and the second feeding roller device 50 through the deviation correcting driving wheel 16; when the left and right pole pieces 200 reach the set position, at this time, the first feeding roller device 40 and the second feeding roller device 50 are close to each other and are in a clamping state, thereby clamping the left and right diaphragms 410, 420 and the left and right pole pieces 200 into one, and then rolling the needle 81 starts to rotate, and the state is as shown in Fig. 4 .

When the left and right diaphragms 410, 420 sandwich the left and right pole pieces 200 and enter the winding needle 81, the first pressure roller 13 of the two rolling feeding devices 10 will move away from the one-way wheel 12, and there is no need for one-way braking. In addition, the deviation correction is active Wheel 16 does not need to actively send the left and right pole pieces 200, and is driven by the coil needle 81 entirely.

When the bare cell is wound to the set number of turns or the left and right pole pieces 200 have completed the set parameters, the cutter mechanism 15 in the two rolling feeding devices 10 will cut off the left and right pole pieces 200, and at the same time, the winding needle 81 continues Winding, until the left and right pole pieces 200 are all rolled to the bare cell and wrapped by the left and right separators 410, 420, then the winding of the winding needle 81 at the upper station is completed, as shown in Figure 5. After the bare cell is wound up at the upper station, the turntable 82 of the needle winding device 80 is used to switch to another empty needle winding 81, so that the empty winding needle 81 at the lower station is switched to the upper station, When the winding needle 81 of the bare cell is switched to the cutting station, the left and right diaphragms 410, 420 are clamped by the empty winding needle 81. After the empty winding needle 80 clamps the left and right diaphragms 410, 420, the diaphragm cutter device 60 Cut off the left and right diaphragms 410, 420 between the winding needle 81 of the upper station and the winding needle 81 of the lower station, the state is shown in Figure 6, the bare cell on the winding needle 81 of the lower station is glued The device 90 is glued at the end, and then it can be unloaded to become an independent bare cell, and the winding needle 811 at the upper station starts to wind a new bare cell, and so on.

Compared with the prior art, since the rolling feeding device 10 of the present invention includes a frame body 11, a one-way wheel 12, a first pressing wheel 13, a second pressing wheel 14, a cutter mechanism 15, a deviation correcting driving wheel 16 and an edge Sensor 17, so when the first pressure wheel 13 moves near the one-way wheel 12 and the strip-shaped pole piece 200 is pressed on the one-way wheel 12, the pole piece 200 pressed on the one-way wheel 12 cannot retreat, The one-way wheel 12 is freely forwarded to the deviation correcting driving wheel 16; then the second pressure wheel 14 moves along the position close to the deviation correcting driving wheel 16 to clamp the pole piece 200 delivered by the one-way wheel 12, and the deviation is driven by the deviation correcting drive. The wheel 16 corrects and actively transports the clamped pole piece 200 according to the detection information of the edge sensor 17; length requirements. Therefore, the rolling feeding device 10 of the present invention has the advantages of simple structure, complete functions and precise feeding control.

What is disclosed above is only a preferred example of the utility model, which certainly cannot limit the scope of rights of the utility model. Therefore, the equivalent changes made according to the claims of the utility model still belong to the scope covered by the utility model.

Claims (10)

1. A rolling feeding device, located in the winding equipment, is characterized in that, comprising: a frame; A one-way wheel, the one-way wheel is assembled on the frame body; A deviation correcting driving wheel, the deviation correcting driving wheel is assembled on the frame body and is located in front of the one-way wheel along the feeding direction of the rolling feeding device; A first pressure wheel, the first pressure wheel is movably arranged on the frame body and corresponds to the one-way wheel, and the first pressure wheel moves along the position close to the one-way wheel to make the belt shape The pole piece is pressed on the one-way wheel, and the one-way wheel transports the pole piece to the deviation correcting driving wheel; A second pressure wheel, the second pressure wheel is movably arranged on the frame body and corresponds to the deviation correcting driving wheel, and the second pressure wheel moves along the position close to the deviation correcting driving wheel to move the deviation correcting driving wheel The pole piece transported by the one-way wheel is clamped between the deviation correcting driving wheel and the second pressure wheel, and the deviation correcting driving wheel transports the clamped pole piece; A cutter mechanism, the cutter mechanism is assembled on the frame body and is located in front of the deviation correcting driving wheel along the feeding direction, and the cutting knife mechanism cuts off the pole piece delivered by the deviation correcting driving wheel; and An edge sensor, the edge sensor is set on the frame body and is located between the one-way wheel and the cutter mechanism. 2. The rolling feeding device according to claim 1, wherein the edge sensor is located between the deviation correcting drive wheel and the cutter mechanism. 3. The rolling feeding device according to claim 1, further comprising a dust removal device assembled on the frame body, the dust removal device is located in front of the cutter mechanism along the feeding direction. 4. The rolling feeding device according to claim 1, wherein the cutter mechanism includes a fixed cutter and a movable cutter that cooperate with each other, and the fixed cutter is fixed on the frame body and is located at the One side of the pole piece, the movable cutter is movably arranged on the frame and located outside the other side corresponding to the pole piece. 5 . The rolling feeding device according to claim 1 , wherein the moving directions of the first pressing wheel and the second pressing wheel are the same. 6 . The rolling feeding device according to claim 1 , wherein the moving directions of the first pressing wheel and the second pressing wheel are perpendicular to the feeding direction. 7. The rolling feeding device according to claim 1, characterized in that, the first pressure wheel moves when the deviation correction driving wheel transports the pole piece clamped by the deviation correction driving wheel and the second pressure wheel. away from the one-way wheel. 8. A cell winding device, comprising a frame and a first diaphragm feeding device, a second diaphragm feeding device, a first feeding roller device, and a second feeding roller arranged on the frame device, diaphragm cutter device, cutter auxiliary device and needle rolling device, characterized in that the cell winding equipment also includes two rolling feeding devices according to any one of claims 1 to 7, the The rolling feeding device is assembled on the frame. 9. The cell winding equipment according to claim 8, characterized in that, the first feeding roller device, the first diaphragm feeding device, one of the rolling feeding devices, and the second diaphragm feeding device , the other said rolling feeding device and the second feeding roller device are sequentially arranged along the circumferential direction of the turntable in the needle rolling device, and the first feeding roller device and the second feeding roller device The devices are aligned with each other and can be moved closer to or farther away from each other, and the cutter auxiliary device cooperates with the diaphragm cutter device to cut off the diaphragm. 10. The electric core winding equipment according to claim 8, further comprising a set on the frame for affixing the outermost diaphragm of the bare electric core wound by the needle rolling device. Tight end gluer.