CN215923867U

CN215923867U - Sheet feeding device and winding equipment

Info

Publication number: CN215923867U
Application number: CN202121189725.1U
Authority: CN
Inventors: 段僅; 黄振奎
Original assignee: Guangdong Lyric Robot Automation Co Ltd
Current assignee: Guangdong Lyric Robot Automation Co Ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-03-01
Anticipated expiration: 2031-05-31

Abstract

The utility model relates to a sheet feeding device and winding equipment, which comprise an installation frame, wherein the installation frame is provided with a transmission mechanism, a sheet pressing mechanism and a flattening mechanism for flattening a pole lug of a pole piece; the transmission mechanism comprises a transmission roller and a first driving piece for driving the transmission roller to rotate; the tabletting mechanism comprises a movable plate, a second driving piece and a pressing roller rotationally connected with the movable plate, the pressing roller is located below the transmission roller, and the second driving piece is used for driving the pressing roller to be close to or far away from the transmission roller. The pole lug flattening machine integrates the pole lug conveying mechanism and the pole lug flattening mechanism, is simple and convenient to use, facilitates the processing of pole piece pole lugs, simplifies manual operation, and reduces the use cost of equipment.

Description

Sheet feeding device and winding equipment

Technical Field

The utility model relates to the field of battery pole piece processing, in particular to a piece feeding device and winding equipment.

Background

In the production and processing process of the lithium battery, a pole piece raw material coil needs to be conveyed and cut, and a battery pole piece formed after cutting generally comprises a pole piece belt and a pole lug, wherein the pole lug protrudes out of the pole piece. When pole piece raw materials in the prior art are conveyed, a traction mechanism needs to be additionally arranged to pull the conveying of the pole pieces, or two compression rollers arranged up and down are used for extruding and conveying the pole pieces, so that the use cost of equipment is increased, and when the pole pieces pass through the surfaces of the rollers, the pole pieces are usually folded and folded at the positions of the rollers due to factors such as angles, self tension and the like, so that the pole lugs and the pole pieces are not on the same plane, and the use effect of the pole lugs is easily influenced; in the sheet feeding structure of the latter, the lower pressing roller needs to extrude or loosen the pole piece in a vertical moving mode, so that the sheet feeding structure is limited by the structural space, the pole lug is difficult to smooth, and the folding state of the pole lug is further aggravated due to the extrusion of the upper pressing roller and the lower pressing roller, so that the winding quality is easily influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a sheet feeding device to solve the technical problems that a traction mechanism needs to be arranged outside a pole piece and a pole lug is folded when the pole piece and the pole lug pass through a roller.

The purpose of the utility model is realized by the following technical scheme:

a sheet feeding device comprises a mounting frame, wherein a transmission mechanism, a sheet pressing mechanism and a flattening mechanism for flattening a pole lug of a pole piece are arranged on the mounting frame; the transmission mechanism comprises a transmission roller and a first driving piece for driving the transmission roller to rotate; the tabletting mechanism comprises a movable plate, a second driving piece and a pressing roller rotationally connected with the movable plate, the pressing roller is located below the transmission roller, and the second driving piece is used for driving the pressing roller to be close to or far away from the transmission roller. The conveying mechanism of the pole lug and the flattening mechanism of the pole lug are integrated together, so that the pole lug flattening machine is simple and convenient to use, not only is the processing of the pole lug of the pole piece facilitated, but also the manual operation is simplified, and the use cost of equipment is reduced.

Further, the flattening mechanism comprises a fixed seat, a support fixedly connected with the fixed seat, and a movable seat slidably connected with the support, and a tab flattening unit is arranged on the movable seat. The movable seat arranged in a sliding mode can drive the lug flattening unit to move, so that the lug flattening unit can be flexibly adjusted according to the position of the lug, and the application range of the flattening mechanism is widened.

Furthermore, the lug flattening unit comprises a connecting block and flattening plates, the flattening plates are oppositely arranged on the connecting block, and the relative distance between the two flattening plates is adjustable. The flattening plate is used for flattening the pole lugs, and the height distance of the flattening plate can be adjusted according to the positions of the pole pieces, so that the flattened pole lugs can be kept on the same plane with the pole pieces.

Further, the placard is of an integrated bending structure, a plurality of positioning holes are formed in the placard, and the placard is fixed on the connecting block through a locking piece. The mechanism of the formula of bending will smooth the board and divide into two parts, and partly be used for smoothing utmost point ear, and another part is connected with the connecting block, and the locating hole setting is in the part department of being connected with the connecting block to the regulation of the position of the board on the connecting block is smoothed in the convenience.

Furthermore, the fixing seat comprises a first supporting block and a second supporting block which are fixed on the mounting frame, one end of the support is connected with the first supporting block, and the other end of the support is connected with the second supporting block. The arrangement of the first supporting block and the second supporting block can effectively guarantee the parallelism and stability of the supporting frame.

Furthermore, the output end of the second driving piece is fixedly connected with the movable plate, and the movable plate is connected with the mounting frame in a sliding mode.

Furthermore, the movable plate is provided with two guide plates, and the two guide plates are respectively positioned on two opposite sides of the compression roller. The guide plate is used for improving the support area of the pole piece in the conveying process, so that the stability of the pole piece in the conveying process is improved.

Furthermore, the guide plate is an arc-shaped surface on one surface contacting with the pole piece.

Furthermore, the first driving piece is fixed on the mounting frame through the connecting seat, one end of the driving roller is rotatably connected with the mounting frame, and the other end of the driving roller is fixedly connected with the output end of the first driving piece.

A winding device comprises a sheet feeding device, a diaphragm feeding device, a winding device and a discharging device.

Compared with the prior art, the utility model has the beneficial effects that:

according to the sheet feeding device, the movable plate drives the compression roller to be close to the transmission roller under the driving of the second driving piece and is used for compressing the pole piece passing through the compression roller and the transmission roller, the transmission roller rotates under the driving of the first driving piece and drives the pole piece to be conveyed under the action of friction force, meanwhile, the acting force between the compression roller and the transmission roller can effectively ensure the stability of pole piece conveying, the pole piece is flattened by the flattening mechanism after passing through the compression roller and the transmission roller to form a folded pole lug, and the pole lug and the pole piece are ensured to be positioned on the same plane, so that the subsequent further processing is facilitated, and the production yield of the pole lug is ensured; according to the utility model, the conveying mechanism of the pole lug and the flattening mechanism of the pole lug are integrated, the conveying mechanism is simple in structure, the pole piece can be effectively conveyed, a traction mechanism of the pole piece is not required to be added, the use is simple and convenient, the processing of the pole piece and the pole lug is facilitated, the manual operation is simplified, and the use cost of equipment is also reduced; and will smooth the mechanism integration on conveying mechanism, mutually support with compression roller and driving roller for the pole piece can in time smooth the utmost point ear of turning over and rolling over at the in-process of carrying, and is simple and effective.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a flattening mechanism according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of the embodiment of the present invention with the smoothing mechanism removed.

Reference numerals: 1-a mounting frame; 2-a transmission mechanism; 21-a driving roller; 22-a first drive member; 23-a connecting seat; 3-a tabletting mechanism; 31-moving the plate; 32-a second drive member; 33-a press roll; 4-a smoothing mechanism; 41-a fixed seat; 411 — first support block; 412-a second support block; 42-a scaffold; 43-a mobile seat; 44-a tab flattening unit; 441-connecting block; 442-a smoothing plate; 5-guide plate.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be described in further detail below with reference to specific embodiments and the accompanying drawings.

Referring to fig. 1-3, a preferred embodiment of the present invention is shown.

A sheet feeding device comprises an installation frame 1, wherein a transmission mechanism 2, a sheet pressing mechanism 3 and a flattening mechanism 4 for flattening a pole lug of a pole piece are arranged on the installation frame 1; the transmission mechanism 2 comprises a transmission roller 21 and a first driving piece 22 for driving the transmission roller 21 to rotate; the sheeting mechanism 3 comprises a moving plate 31, a second driving member 32 and a pressing roller 33 rotatably connected with the moving plate 31, the pressing roller 33 is positioned below the driving roller 21, and the second driving member 32 is used for driving the pressing roller 33 to be close to or far away from the driving roller 21. The output end of the second driving member 32 is fixedly connected to the moving plate 31, and the moving plate 31 is slidably connected to the mounting rack 1. The conveying mechanism of the embodiment has a simple structure, can effectively convey the pole pieces, does not need to additionally provide a pole piece traction mechanism, is simple and convenient to use, facilitates the processing of pole piece lugs, simplifies manual operation, and reduces the use cost of equipment; and will smooth mechanism 4 and integrate on conveying mechanism, mutually support with compression roller 33 and driving roller 21 for the pole piece can in time smooth the utmost point ear of turning over and rolling over at the in-process of carrying, and is simple and effective. Specifically, movable plate 31 drives compression roller 33 and is close to driving roller 21 under the drive of second driving piece 32, a pole piece for compressing tightly between passing compression roller 33 and driving roller 21, driving roller 21 is rotatory under the drive of first driving piece 22, in order to drive the transport of pole piece under the effect of friction force, and simultaneously, the stability that the pole piece was carried can effectively be guaranteed to effort between compression roller 33 and the driving roller 21, the pole piece is being pacified by pacifying mechanism 4 and is producing the utmost point ear of rolling over after compression roller 33 and driving roller 21, ensure that utmost point ear and pole piece are located the coplanar, thereby made things convenient for subsequent further processing, the production yield of utmost point ear has been guaranteed.

The flattening mechanism 4 includes a fixed seat 41, a support 42 fixedly connected to the fixed seat 41, and a movable seat 43 slidably connected to the support 42, and a tab flattening unit 44 is disposed on the movable seat 43. Wherein, the support 42 is more than two sliding rods. The movable seat 43 arranged in a sliding manner can drive the lug flattening unit 44 to move, so that the lug flattening unit 44 can be flexibly adjusted according to the position of a lug, and the application range of the flattening mechanism 4 is widened. The pole lug flattening unit 44 is located on one side of the pressing roller 33 and the driving roller 21, and after the pole pieces are extruded and driven by the pressing roller 33 and the driving roller 21, the pole lugs are flattened through the pole lug flattening unit 44.

The tab flattening unit 44 includes a connecting block 441 and two flattening plates 442, where the two flattening plates 442 are oppositely disposed on the connecting block 441, and a relative distance between the two flattening plates 442 is adjustable. The smoothing plate 442 is used for smoothing the tab, and the height distance of the smoothing plate can be adjusted according to the position of the pole piece, so that the smoothed tab and the pole piece can be kept on the same plane. Specifically, a transverse U-shaped structural portion is arranged on the connecting block 441, the two flattening plates 442 are respectively and oppositely arranged on the upper surface and the lower surface of the transverse U-shaped structural portion, and the tabs penetrate between the two flattening plates 442 during conveying.

In this embodiment, the smoothing plate 442 is an integrated bending structure, a plurality of positioning holes are formed in the smoothing plate 442, and the smoothing plate 442 is fixed to the connecting block 441 through a locking member. The smoothing plate 442 is divided into two parts by the bending mechanism, one part is used for smoothing the lugs, the other part is connected with the connecting block 441, and the positioning holes are formed in the part connected with the connecting block 441 to facilitate adjustment of the position of the smoothing plate 442 on the connecting block 441. Wherein, the part for smoothing the pole lug has a certain radian. The retaining member of this embodiment is bolt and nut, is equipped with the bar recess on the connecting block 441, is equipped with the screw hole on the bar recess, and the bolt is fixed by the nut after passing the screw hole in proper order and pacifying the locating hole on the board 442. The positioning holes in the comforting plate 442 are arranged at intervals up and down, and the comforting plate 442 can be fixed through different positioning holes by bolts so as to achieve the purpose of adjusting the height position of the comforting plate 442. Of course, as another embodiment, the leveling plate 442 may be driven by the linear transmission mechanism 2 such as an air cylinder or a screw transmission, so as to adjust the position thereof.

In this embodiment, the fixing base 41 includes a first supporting block 411 and a first supporting block 412 fixed on the mounting rack 1, one end of the bracket 42 is connected with the first supporting block 411, and the other end is connected with the first supporting block 412. The arrangement of the first supporting

blocks

411 and 412 can effectively ensure the parallelism and stability of the supporting frame. The support 42 is provided with more than two sliding rods which are arranged in parallel at intervals to move along the sliding rods, so that the moving seat 43 is always kept horizontal when moving, and the smoothing effect of the lug is further ensured.

The moving plate 31 of this embodiment is further provided with two guide plates 5, and the two guide plates 5 are respectively located on two opposite sides of the pressing roller 33. The guide plate 5 is an arc surface with the pole piece contacted side. The guide plate 5 is used for increasing the support area of the pole piece in the conveying process, so that the stability of the pole piece in the conveying process is improved. Meanwhile, the guide plate 5 can be matched with the flattening plate 442, so that the flattening effect of the pole lug is improved.

In this embodiment, the first driving member 22 is fixed on the mounting bracket 1 through the connecting seat 23, one end of the driving roller 21 is rotatably connected with the mounting bracket 1, the other end of the driving roller 21 is fixedly connected with the output end of the first driving member 22, and the driving roller 21 can be connected with the output end of the first driving member 22 through a connecting rod. The connecting base 23 is fixed to the mounting frame 1 for supporting the first driving member 22. It should be noted that the first driving member 22 of the present embodiment is a motor, and the second driving member 32 may be any linear transmission mechanism 2 such as an air cylinder, a screw rod, etc.

The winding equipment comprises the sheet feeding device, a diaphragm feeding device, a winding device and a discharging device.

In the description of the present invention, it is to be understood that terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate orientations or positional relationships, are used based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and for the simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

While the utility model has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims

1. The sheet feeding device is characterized by comprising an installation frame (1), wherein the installation frame (1) is provided with a transmission mechanism (2), a sheet pressing mechanism (3) and a flattening mechanism (4) for flattening a pole lug of a pole piece;

the transmission mechanism (2) comprises a transmission roller (21) and a first driving piece (22) for driving the transmission roller (21) to rotate;

the tabletting mechanism (3) comprises a moving plate (31), a second driving piece (32) and a pressing roller (33) rotationally connected with the moving plate (31), the pressing roller (33) is located below the transmission roller (21), and the second driving piece (32) is used for driving the pressing roller (33) to be close to or far away from the transmission roller (21).

2. The sheet feeding device according to claim 1, wherein the smoothing mechanism (4) comprises a fixed seat (41), a bracket (42) fixedly connected with the fixed seat (41), and a movable seat (43) slidably connected with the bracket (42), and the movable seat (43) is provided with a tab smoothing unit (44).

3. The sheet feeding device according to claim 2, wherein the tab flattening unit (44) comprises a connecting block (441) and a flattening plate (442), the flattening plate (442) is two oppositely arranged on the connecting block (441), and the relative distance between the two flattening plates (442) is adjustable.

4. The film feeding device according to claim 3, wherein the smoothing plate (442) is of an integral bending structure, a plurality of positioning holes are formed in the smoothing plate (442), and the smoothing plate (442) is fixed on the connecting block (441) through a locking member.

5. The sheet feeding device according to claim 2, wherein the fixing seat (41) comprises a first supporting block (411) and a second supporting block (412) fixed on the mounting rack (1), one end of the bracket (42) is connected with the first supporting block (411), and the other end is connected with the second supporting block (412).

6. The film feeding device according to claim 1, wherein the output end of the second driving member (32) is fixedly connected with the moving plate (31), and the moving plate (31) is slidably connected with the mounting frame (1).

7. The sheet feeding device according to claim 6, wherein the moving plate (31) is provided with two guiding plates (5), and the two guiding plates (5) are respectively located at two opposite sides of the pressing roller (33).

8. A sheet feeding device according to claim 7, wherein the surface of the guide plate (5) contacting the pole piece is an arc surface.

9. The film feeding device according to claim 1, wherein the first driving member (22) is fixed on the mounting frame (1) through a connecting seat (23), one end of the driving roller (21) is rotatably connected with the mounting frame (1), and the other end is fixedly connected with the output end of the first driving member (22).

10. A winding apparatus, comprising the sheet feeding device according to any one of claims 1 to 9, and further comprising a feeding device, a diaphragm feeding device, a winding device, and a discharging device.