Sheet feeding mechanism, sheet stack feeding mechanism and method

Abstract

The present invention discloses a sheet material feeding mechanism for conveying sheet materials to a set lamination area, comprising: a feeding belt, at least one end of which is set as a feeding end; a feeding drive mechanism for driving the feeding end to move back and forth between its starting position and end position, wherein when both ends of the feeding belt are set as feeding ends, the starting positions of the two feeding ends are respectively located at opposite ends of the lamination area; and: when the feeding end is at its starting position, the feeding end is located outside the lamination area and close to one end of the lamination area; when the feeding end is at its end position, the feeding end is located within the lamination area and close to the other end of the lamination area; a feeding control mechanism for causing the sheet material to move synchronously with the feeding belt during the movement of the feeding end from its starting position to its end position, and for causing the sheet material to detach from the feeding belt during the movement of the feeding end from its end position to its starting position. The present invention also proposes a sheet material lamination feeding mechanism and a sheet material lamination feeding method.

Description

Technical Field

[0001] The present invention belongs to the technical field of battery or capacitor manufacturing, and specifically relates to a sheet feeding mechanism, a sheet stack feeding mechanism and a method. Background Art

[0002] Chinese patent publication number CN202067866U discloses a semi-automatic lithium battery stacking machine, comprising a diaphragm roll, a stacking table, a left material box, a right material box, and a frame. The stacking table is mounted on a tabletop of the frame, and the left and right material boxes are symmetrically arranged with the stacking table as the center. The left and right material boxes are each filled with lithium battery pole pieces to be stacked. The lithium battery pole pieces to be processed are taken out of the left or right material box by a suction cup device and pressed onto the stacking table. The diaphragm roll is arranged above the frame, and the diaphragm wrapped on the diaphragm roll is clamped and pressed between two adjacent lithium battery pole pieces by transmission guide rollers. The two adjacent lithium battery pole pieces are taken from the left and right material boxes in turn. That is, the existing stacking machine uses a suction cup device to suck the lithium battery pole pieces from the left and right material boxes onto the stacking table in turn, and separates the lithium battery pole pieces by the diaphragm, thereby forming a battery structure.

[0003] Although the existing stacking machines can meet the requirements of battery production to a certain extent through stacking, they are only suitable for smaller battery electrodes. When the battery electrodes are large, due to the thin thickness of the battery electrodes, the suction cups can easily cause defects such as bending or even breaking of the battery electrodes when sucking up large-sized battery electrodes. At the same time, it is also difficult to achieve the positioning accuracy requirements required for stacking large-sized battery electrodes. Summary of the Invention

[0004] In view of this, an object of the present invention is to provide a sheet feeding mechanism, a sheet stack feeding mechanism and a method, which can not only meet the feeding requirements of sheets of various sizes but also will not cause damage to the surface of the sheets.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] The present invention first proposes a sheet material feeding mechanism for conveying sheets to a set lamination area, comprising:

[0007] A feeding belt, wherein at least one end of the feeding belt is set as a feeding end;

[0008] a feed drive mechanism for driving the feed end to move back and forth between its starting position and end position; when both ends of the feed belt are set as feed ends, the starting positions of the two feed ends are respectively located at opposite ends of the lamination area; and:

[0009] When the feeding end is at its starting position, the feeding end is outside the lamination area and close to one end of the lamination area; when the feeding end is at its end position, the feeding end is inside the lamination area and close to the other end of the lamination area;

[0010] The feeding control mechanism is used to make the sheet material move synchronously with the feeding belt when the feeding end moves from its starting position to the end position, and to make the sheet material detach from the feeding belt when the feeding end moves from its end position to the starting position.

[0011] Furthermore, the feeding drive mechanism includes a driving member, which is arranged in a one-to-one correspondence with the feeding end, and the feeding end moves synchronously with the corresponding driving member.

[0012] Furthermore, a tension mechanism is provided on the feeding belt.

[0013] Furthermore, the feeding control mechanism includes a control member, which is arranged in a one-to-one correspondence with the driving member and moves synchronously with the driving member, and the control member is arranged above the corresponding feeding end.

[0014] Furthermore, a gap control mechanism is provided on the control member, and the gap control mechanism is used to adjust the gap between the control member and the driving member.

[0015] Furthermore, the control member is a control roller that can only rotate in one direction and causes the speed of the point closest to the feeding belt to point to the corresponding end position of the feeding end during rotation.

[0016] Furthermore, a guide piece is provided below the feeding end for guiding the sheet material when the sheet material is separated from the feeding belt, and the guide piece moves synchronously with the driving member.

[0017] Furthermore, the feeding belt is provided with a roller or a ball for rolling with the sheet material.

[0018] Furthermore, it also includes a sheet material conveying mechanism for conveying the sheet material to the feeding end, and the sheet material conveying mechanism is arranged in a one-to-one correspondence with the feeding end.

[0019] Furthermore, the sheet material conveying mechanism includes a front conveying roller and a rear conveying roller respectively located at the front and rear ends, and a conveyor belt is provided between the front conveying roller and the rear conveying roller; a receiving roller is provided on the feeding belt, and the receiving roller is arranged close to the front conveying roller.

[0020] Furthermore, it also includes a sheet slicing mechanism, which includes a rewinding roller for continuous anti-roll strip, a cutter mechanism for cutting the strip to form sheets, and a drive roller group for driving the strip to the cutter mechanism, and the cutter mechanism is located between the rear conveying roller and the drive roller group.

[0021] Furthermore, support platforms are respectively provided between the cutter mechanism and the rear conveying roller and between the cutter mechanism and the driving roller group.

[0022] Furthermore, an encoder for measuring length is provided between the driving roller group and the unwinding roller.

[0023] Furthermore, a strip buffer area for buffering the strip is provided between the encoder and the unwinding roller.

[0024] Furthermore, the strip buffer area includes a fixed roller and a tension dynamic roller.

[0025] The present invention also provides a sheet stacking feeding mechanism, comprising the sheet feeding mechanism as described above and a sheet positioning mechanism for positioning the sheet within a set stacking area.

[0026] Furthermore, the sheet positioning mechanism includes a sheet positioning member, which is arranged at an end position close to the corresponding feeding end, and the sheet positioning member includes a sheet pressing rod, a sheet pressing needle or a sheet pressing block.

[0027] The present invention also proposes a sheet stacking feeding method, comprising the following steps:

[0028] 1) Move the feeding end to its starting position;

[0029] 2) After the sheet material is delivered to the feed end, the feed end is driven to move toward its end position by the feed drive mechanism, and the sheet material is moved synchronously with the feed belt under the action of the feed control mechanism;

[0030] 3) After the feeding end reaches its end position, the sheet positioning mechanism is used to position the end of the sheet in the lamination area;

[0031] 4) Drive the feeding end to move toward its starting position, and under the action of the feeding mechanism, the sheet material gradually separates from the feeding belt until it completely falls into the lamination area;

[0032] 5) Continue to drive the feeding end toward its starting position until the feeding end returns to its starting position;

[0033] 6) Repeat steps 2) to 5) until the sheet stacking is completed.

[0034] Furthermore, in the step 2), when the sheet is fed to the feeding end, the end of the sheet is exposed outside the feeding end;

[0035] In the step 3), the sheet positioning mechanism is used to position the end of the sheet exposed outside the feeding end in the lamination area.

[0036] Furthermore, in step 3), when the feeding end reaches its end position, the feeding control mechanism is used to drive the sheet to move so that the end of the sheet is exposed outside the feeding end, and then the sheet positioning mechanism is used to position the end of the sheet exposed outside the feeding end in the stacking area.

[0037] The beneficial effects of the present invention are:

[0038] The sheet material feeding mechanism of the present invention, when in use, after the sheet material is fed to the feeding end of the feeding belt, the feeding drive mechanism is used to drive the feeding end to move from its starting position toward its end position. Under the action of the feeding control mechanism, the sheet material and the feeding end can be moved synchronously. After the feeding end reaches its end position, the feeding control mechanism is used to release the sheet material, so that the sheet material can be detached from the feeding belt during the movement of the feeding end toward its starting position, so that the sheet material finally falls into the stacking area, achieving the technical purpose of transporting the sheet material to the set stacking area; by adjusting the distance between the starting position and the end position of the feeding end, the requirements for stacking feeding of sheets of different sizes can be met; and the sheet material feeding mechanism of the present invention uses the feeding belt to feed the sheet material, which, compared with the existing suction cup method, can not only meet the feeding requirements of various sizes, especially large-sized sheets, but also will not cause damage to the surface of the sheet material. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to make the purpose, technical solutions and beneficial effects of the present invention more clear, the present invention provides the following drawings for illustration:

[0040] Figure 1 It is a structural schematic diagram of an embodiment of a continuous reciprocating lamination mechanism using the sheet lamination feeding mechanism of the present invention;

[0041] Figure 2 for Figure 1 Detail A of

[0042] Figure 3 for Figure 1 Detail B of

[0043] Figure 4 It is a structural diagram of the feeding ends at both ends of the feeding belt moving in association;

[0044] Figure 5 This is a structural diagram when the feeding ends at both ends of the feeding belt move independently;

[0045] Figure 6 is a structural schematic diagram of the first sheet stack feeding mechanism when the feeding end is located at its initial position;

[0046] Figure 7 It is a structural schematic diagram of the feeding end of the first sheet stack feeding mechanism when it moves from its initial position to the end position;

[0047] Figure 8 It is a structural schematic diagram of the first sheet stack feeding mechanism when the feeding end reaches its end position;

[0048] Figure 9 It is a structural schematic diagram of the feeding end of the first sheet stack feeding mechanism when it moves from its end position to the starting position;

[0049] Figure 10 It is a structural schematic diagram of the first sheet stack feeding mechanism when the feeding end returns to its initial position.

[0050] Description of reference numerals:

[0051] 1-strip material; 2-sheet material; 3-strip material;

[0052] 10- lamination table; 11- lamination roller;

[0053] 20-feeding belt; 21-feeding end; 22-driving member; 23-tension mechanism; 24-control member; 25-guide plate; 26-front conveying roller; 27-rear conveying roller; 28-conveyor belt; 29-material receiving roller; 30-unwinding roller; 31-cutter mechanism; 32-driving roller group; 33-support platform; 34-encoder; 35-fixed roller; 36-tension movable roller; 37-sheet positioning member; 38-fixed roller; 39-moving roller. DETAILED DESCRIPTION

[0054] The present invention will be further described below with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it. However, the embodiments are not intended to limit the present invention.

[0055] like Figure 1 The figure shows a schematic structural diagram of an embodiment of a continuous reciprocating lamination mechanism employing the sheet lamination feeding mechanism of the present invention. The continuous reciprocating lamination mechanism comprises: a lamination platform 10; a strip conveying mechanism for continuously conveying a strip of material 1 and folding the strip 1 back and forth on the lamination platform 10; a sheet lamination feeding mechanism for conveying sheet material 2 and stacking the sheet material 2 on the strip 1 after each fold; and a folding positioning mechanism for controlling the positions of both ends of the strip 1 during the reciprocating folding. Specifically, the strip conveying mechanism comprises a lamination roller assembly and a folding drive mechanism. The lamination roller assembly includes two lamination rollers 11 for guiding the strip 1.

[0056] The sheet material stacking feeding mechanism of this embodiment includes a sheet material feeding mechanism and a sheet material positioning mechanism for positioning the sheet material 2 in a set stacking area. The sheet material feeding mechanism of this embodiment is used to transport the sheet material to the set stacking area. Specifically, the stacking area of ​​this embodiment is the area between the two ends of the belt material 1 on the stacking table 10 where it is folded back and forth. The sheet material feeding mechanism of this embodiment includes a feeding belt 20, a feeding drive mechanism and a feeding control mechanism. Specifically, at least one end of the feeding belt 20 is set as a feeding end 21. The feeding drive mechanism is used to drive the feeding end 21 to move back and forth between its starting position and end position. When both ends of the feeding belt 20 are set as feeding ends 21, the starting positions of the two feeding ends 21 are respectively located at the opposite ends of the stacking area.

[0057] Specifically, such as Figure 1 As shown, only one end of the feed belt 20 is set as the feed end 21. In this way, sheet stacking feeding mechanisms are respectively provided at both ends of the stacking platform 10, thereby meeting the technical purpose of stacking sheet material 2 from both ends of the stacking area onto the belt material 1 that is folded back and forth. Specifically: when the feed end 21 is at its starting position, the feed end 21 is located outside the stacking area and close to one end of the stacking area; when the feed end 21 is at its end position, the feed end 21 is located within the stacking area and close to the other end of the stacking area, so that after the sheet material 2 is transported from the starting position of the feed end 21 to the end position of the feed end 21, the sheet material 2 can be located in the stacking area. The feeding control mechanism is used to synchronize the movement of the sheet material 2 and the feed belt 20 during the movement of the feed end 21 from its starting position to the end position, and to allow the sheet material 2 to detach from the feed belt 20 during the movement of the feed end 21 from its end position to the starting position.

[0058] like Figure 4 and Figure 5 As shown, both ends of the feed belt 20 are set as feed ends 21. In this way, the two feed ends 21 are respectively located at the two ends of the lamination platform 10, thereby meeting the technical purpose of laminating the sheet material 2 on the folded belt material 1 from the two ends of the lamination area. There are two ways to set the feed ends 21 at both ends of the lamination platform 10: the first way is as follows: Figure 4 As shown, there is a linkage relationship between the two feeding ends 21, that is, when one feeding end 21 is at its starting position, the other feeding end 21 is at its end position; when one feeding end 21 moves from its starting position to its end position, the other feeding end 21 moves from its end position to its starting position; when one feeding end 21 moves from its end position to its starting position, the other feeding end 21 moves from its starting position to its end position. The second type: as Figure 5As shown, a buffer zone is provided on the feeding belt 20, and a fixed roller 38 and a movable roller 39 are provided in the buffer zone. The movable roller 39 is used to control the tension of the feeding belt 20, that is, a tension mechanism 23 is formed in the buffer zone at the same time; due to the existence of the buffer zone, when the length of the feeding belt 20 in the buffer zone is long enough, the feeding ends 21 at both ends of the feeding belt 20 can be controlled to move respectively, that is, at this time, there is no linkage relationship between the feeding ends 21 at both ends of the feeding belt 20, that is, the feeding ends 21 at both ends of the feeding belt 20 can be controlled independently, and the control method of each feeding end 21 is the same as that of the other feeding ends. Figure 1 The example shown is equivalent to that when the feeding end 21 is provided at only one end of the feeding belt 20, and will not be described again.

[0059] Furthermore, the feed drive mechanism includes a drive member 22, which is provided in a one-to-one correspondence with the feed end 21. The feed end 21 and the corresponding drive member 22 move synchronously. In this embodiment, the feed end 21 and the corresponding drive member 22 are fixedly connected to achieve synchronous movement. The drive member 22 of this embodiment is provided below the corresponding feed end 21. Specifically, the feed belt 20 is also provided with a tension mechanism 23, so that the feed belt 20 can maintain sufficient tension during the movement of the feed end 21 between its starting position and its end position.

[0060] Furthermore, the feed control mechanism includes a control member 24, which is provided in a one-to-one correspondence with the driver 22 and moves synchronously with the driver 22. The control member 24 is positioned above the corresponding feed end 21. The function of the control member 24 is to enable the sheet 2 to move synchronously with the feed belt 20 as the feed end 21 moves from its starting position to its end position, and to allow the sheet 2 to disengage from the feed belt 20 as the feed end 21 moves from its end position to its starting position. To achieve this technical objective, the control member 24 can be implemented in a variety of ways. The first way is to provide a gap control mechanism on the control member 24, which is used to adjust the gap between the control member 24 and the driver 22. By adjusting the gap between the control member 24 and the driving member 22, when the feeding end 21 moves from its starting position to the end position, the gap between the control member 24 and the driving member 22 can be reduced, and appropriate pressure can be applied to the sheet 2 so that it moves synchronously with the feeding belt 20; when the feeding end 21 moves from its end position to the starting position, the gap between the control member 24 and the driving member 22 can be increased, that is, no pressure will be applied to the sheet 2, so that the sheet 2 can be detached from the feeding belt 20. The second method: the control member 24 adopts a control roller, which can only rotate in one direction and make the tangential velocity of the point closest to the feed belt 20 point to the end position of the corresponding feed end 21 during rotation; in this way, when the feed end 21 moves from its starting position to the end position, the control roller is subjected to the friction force applied by the sheet 2 toward the side of the starting position of the corresponding feed end 21, and the torque applied to the control roller by the friction force is opposite to the direction in which the control roller can rotate, so the control roller will not rotate under the action of the friction force, that is, the sheet 2 will not slide on the feed belt 20, so that the sheet 2 and the feed belt 20 move synchronously; when the feed end 21 moves from its end position to the starting position, when the sheet 2 detaches from the feed belt 20, a friction force is applied to the control roller toward the side of the end position of the corresponding feed end 21, and the torque applied to the control roller by the friction force at this time is the same as the direction in which the control roller can rotate, so that the control roller rotates under the action of the friction force, so that the sheet 2 can detach from the feed belt 20. Of course, there are many ways to achieve the control roller rotating in only one direction, such as using a motor to control the direction of the control roller, or providing a ratchet on the control roller's rotating shaft, etc., which will not be repeated here. In some embodiments, when the control member 24 is a control roller, a gap control mechanism can also be provided on the control member 24. Of course, the gap control mechanism can be implemented using an electric cylinder, a screw rod mechanism, etc., which will not be repeated here.

[0061] Furthermore, in some embodiments, a guide piece 25 is provided below the feeding end 21 for guiding the sheet material 2 when the sheet material 2 is separated from the feeding belt 20. The guide piece 25 moves synchronously with the driving member 22. By providing the guide piece 25, the sheet material 2 can be prevented from being damaged by excessive bending during the process of separating from the feeding belt 20.

[0062] Furthermore, in some embodiments, the feed belt 20 is provided with a roller or a ball for rolling with the sheet material 2 , which can reduce the friction of the sheet material 2 during the process of detaching from the feed belt 20 and avoid damage to the surface of the sheet material 2 .

[0063] Furthermore, the sheet material feeding mechanism of this embodiment also includes a sheet material conveying mechanism for conveying the sheet material 2 to the feed end 21. The sheet material conveying mechanism is provided in a one-to-one correspondence with the feed end 21. Specifically, the sheet material conveying mechanism of this embodiment includes a front conveying roller 26 and a rear conveying roller 27 located at the front and rear ends, respectively, with a conveyor belt 28 disposed between the front and rear conveying rollers 26 and 27. The feed belt 21 is provided with a receiving roller 29, which is located near the front conveying roller 26. Of course, the sheet material conveying mechanism also includes a sheet material conveying motor (not shown) for driving the front conveying roller 26 or the rear conveying roller 27 to rotate, driving the conveyor belt 28 to move and convey the sheet material 2 to the feed end 21.

[0064] Furthermore, the sheet feeding mechanism of this embodiment also includes a sheet slicing mechanism, which includes an unwinding roller 30 for the continuous anti-roll strip, a cutter mechanism 31 for cutting the strip to form sheets, and a drive roller group 32 for driving the strip 3 to the cutter mechanism 31. The cutter mechanism 31 is located between the rear conveyor roller 27 and the drive roller group 32. By providing the sheet slicing mechanism, the continuous strip 3 can be cut into sheets 2. Preferably, support platforms 33 are provided between the cutter mechanism 31 and the rear conveyor roller 27, and between the cutter mechanism 31 and the drive roller group 32, respectively, to prevent the ends of the strip 3 from tilting downward and being unable to smoothly enter the cutter mechanism 31 and the rear conveyor roller 27.

[0065] Preferably, in some embodiments, an encoder 34 for measuring the length is provided between the driving roller set 32 ​​and the unwinding roller 30 , thereby ensuring the dimensional accuracy of each sheet 2 .

[0066] Preferably, in some embodiments, a strip buffer area for caching the strip 3 is provided between the encoder 34 and the unwinding roller 30. The strip buffer area of ​​this embodiment includes a fixed roller 35 and a tensioning dynamic roller 36, so that the unwinding roller 30 can continuously unwind at a set speed without being affected by the intermittent feeding of the sheet 2.

[0067] Furthermore, the sheet positioning mechanism of this embodiment includes a sheet positioning member 37, which is positioned near the end of the corresponding feed end 21 and is implemented as a sheet pressure rod, a sheet pressure needle, or a sheet pressure block. In this embodiment, the sheet positioning member 37 is implemented as a sheet pressure block. When the feed end 21 moves to its end position, the sheet pressure block presses the end of the sheet 2 against the stacking area, thereby positioning the sheet 2 for stacking. As the feed end 21 is driven toward its starting position, the sheet 2 is disengaged from the feed belt 20.

[0068] The specific implementation of the sheet stacking feeding method is described in detail below in conjunction with the sheet stacking feeding mechanism of this embodiment.

[0069] A sheet stacking feeding method of this embodiment includes the following steps:

[0070] 1) Move the feeding end 21 to its starting position; Figure 6 As shown, at this time, sheet stacking feeding mechanisms are respectively provided at both ends of the stacking platform 10, and the sheet stacking feeding mechanism located on the left is referred to as the first sheet stacking feeding mechanism, and the sheet stacking feeding mechanism located on the right is referred to as the second sheet stacking feeding mechanism; the sheet stacking feeding method of this embodiment is described in detail below based on the operation process of the first sheet stacking feeding mechanism. Specifically, as Figure 6 In the state shown, the feeding end 21 of the first sheet stack feeding mechanism is located at its starting position.

[0071] 2) After the sheet 2 is delivered to the feeding end, the feeding end 21 is driven to move toward its end position by the feeding drive mechanism, and the sheet 2 is moved synchronously with the feeding belt 20 under the action of the feeding control mechanism. Figure 7 As shown, the feed end 21 of the first sheet stack feed mechanism moves from its starting position towards its end position.

[0072] 3) After the feeding end 21 reaches its end position, the sheet positioning mechanism is used to position the end of the sheet 2 in the lamination area. Figure 8 As shown, the feeding end 21 of the first sheet stack feeding mechanism reaches its end position, and the sheet positioning member 37 is used to position the end of the sheet 2 and press it on the stacking area.

[0073] 4) Drive the feeding end 21 to move toward its starting position, and under the action of the feeding mechanism, the sheet 2 gradually separates from the feeding belt 20 until it completely falls into the lamination area. Figure 9 As shown, the feeding end 21 of the first sheet stack feeding mechanism moves from its end position toward its starting position, during which the sheet 2 gradually separates from the feeding belt 20.

[0074] 5) Continue to drive the feeding end 21 toward its starting position until the feeding end 21 returns to its starting position. Figure 10 As shown, the feeding end 21 of the first sheet stack feeding mechanism has reached its starting position.

[0075] 6) Repeat steps 2) to 5) until the sheet stacking is completed.

[0076] Furthermore, in order to enable the sheet positioning mechanism to position the end of the sheet 2 in the lamination area, the following two methods can be used:

[0077] The first method: in step 2), when the sheet 2 is fed to the feed end 21, the end of the sheet 2 is exposed outside the feed end 21; in step 3), the sheet positioning mechanism is used to position the end of the sheet exposed outside the feed end in the stacking area.

[0078] The second method: in step 3), when the feeding end 21 reaches its end position, the feeding control mechanism is used to drive the sheet 2 to move so that the end of the sheet 2 is exposed outside the feeding end, and then the sheet positioning mechanism is used to position the end of the sheet exposed outside the feeding end in the stacking area.

[0079] That is, both methods can make the end of the sheet 2 exposed outside the feeding end 21, so that the sheet positioning mechanism can be used to position the end of the sheet exposed outside the feeding end in the stacking area, and the sheet positioning member 37 can be used to press the end of the sheet exposed outside the feeding end into the stacking area.

[0080] The strip 1 of this embodiment can be a diaphragm, and the sheet 2 can be a first electrode piece and a second electrode piece. During the process of folding the diaphragm back and forth, the sheet stacking feeding mechanism is used to stack the sheet-shaped first electrode piece and the second electrode piece on the diaphragm in sequence, so that a diaphragm is provided between the adjacent first electrode pieces and the second electrode pieces to form a battery or capacitor structure.

[0081] The strip 1 of this embodiment can also be a first electrode sheet. During the process of folding the first electrode sheet back and forth, the sheet-shaped second electrode sheet is stacked on the first electrode sheet in sequence by using a sheet stacking feeding mechanism. At this time, a diaphragm or a solid electrolyte layer can be compounded on both sides of the first electrode sheet; or, a diaphragm or a solid electrolyte layer can be compounded on both sides of the second electrode sheet; or, a diaphragm or a solid electrolyte layer can be compounded on one side corresponding to the first electrode sheet and the second electrode sheet, so that after stacking, there is a layer of diaphragm or solid electrolyte layer between the adjacent first electrode sheet and the second electrode sheet to form a battery or capacitor structure.

[0082] Of course, the strip 1 can also be the second pole piece, and the sheet 2 can be the first pole piece. The principle is the same and will not be repeated.

[0083] Note: This embodiment takes a continuous reciprocating stacking mechanism as an example to explain in detail the specific implementation methods of the sheet feeding mechanism, sheet stacking feeding mechanism and method of the present invention. Those skilled in the art should know that the sheet feeding mechanism, sheet stacking feeding mechanism and method of the present invention can also be used alone to achieve sheet feeding and sheet stacking. That is, when only sheet stacking is required, the sheet stacking feeding mechanism of the present invention can be used alone to achieve it, and no further details will be given.

[0084] The above-described embodiments are merely preferred embodiments for the purpose of fully illustrating the present invention, and the scope of protection of the present invention is not limited thereto. Equivalent substitutions or modifications made by those skilled in the art based on the present invention are within the scope of protection of the present invention. The scope of protection of the present invention shall be subject to the claims.

Claims

1. A sheet feeding mechanism, characterized in that: Used to transport sheets to the set stacking area, including: A feeding belt, wherein at least one end of the feeding belt is set as a feeding end; a feed drive mechanism for driving the feed end to move back and forth between its starting position and end position; when both ends of the feed belt are set as feed ends, the starting positions of the two feed ends are respectively located at opposite ends of the lamination area; and: When the feeding end is at its starting position, the feeding end is outside the lamination area and close to one end of the lamination area; when the feeding end is at its end position, the feeding end is inside the lamination area and close to the other end of the lamination area; a feeding control mechanism for causing the sheet to move synchronously with the feeding belt during the movement of the feeding end from its starting position to its end position, and for causing the sheet to detach from the feeding belt during the movement of the feeding end from its end position to its starting position; The feeding drive mechanism includes a driving member, which is arranged in a one-to-one correspondence with the feeding end, and the feeding end moves synchronously with the corresponding driving member; a guide plate for guiding the sheet material when the sheet material is separated from the feeding belt is provided below the feeding end, and the guide plate moves synchronously with the driving member; the feeding control mechanism includes a control member, which is arranged in a one-to-one correspondence with the driving member and moves synchronously with the driving member, and the control member is arranged above the corresponding feeding end.

2. The sheet material feeding mechanism according to claim 1, characterized in that: The feeding belt is also provided with a tension mechanism.

3. The sheet material feeding mechanism according to claim 1, characterized in that: The control member is provided with a gap control mechanism, and the gap control mechanism is used to adjust the gap between the control member and the driving member.

4. The sheet material feeding mechanism according to claim 1, characterized in that: The control member is a control roller that can only rotate in one direction and causes the speed of the point closest to the feeding belt to point to the corresponding end position of the feeding end during rotation.

5. The sheet material feeding mechanism according to claim 1, characterized in that: The feeding belt is provided with a roller or a ball for rolling with the sheet material.

6. The sheet material feeding mechanism according to any one of claims 1 to 5, characterized in that: It also includes a sheet material conveying mechanism for conveying the sheet material to the feeding end, and the sheet material conveying mechanism is arranged in a one-to-one correspondence with the feeding end.

7. The sheet material feeding mechanism according to claim 6, characterized in that: The sheet material conveying mechanism includes a front conveying roller and a rear conveying roller respectively located at the front and rear ends, and a conveyor belt is provided between the front conveying roller and the rear conveying roller; a receiving roller is provided on the feeding belt, and the receiving roller is arranged close to the front conveying roller.

8. The sheet material feeding mechanism according to claim 7, characterized in that: It also includes a sheet slicing mechanism, which includes a reeling roller for the continuous anti-roll strip, a cutter mechanism for cutting the strip to form sheets, and a drive roller group for driving the strip to the cutter mechanism, and the cutter mechanism is located between the rear conveying roller and the drive roller group.

9. The sheet material feeding mechanism according to claim 8, characterized in that: Support platforms are respectively provided between the cutter mechanism and the rear conveying roller and between the cutter mechanism and the driving roller group.

10. The sheet material feeding mechanism according to claim 8, characterized in that: An encoder for measuring length is provided between the driving roller group and the unwinding roller.

11. The sheet material feeding mechanism according to claim 10, characterized in that: A strip material buffering area for buffering the strip material is provided between the encoder and the unwinding roller.

12. The sheet material feeding mechanism according to claim 11, characterized in that: The strip buffer area includes a fixed roller and a tension dynamic roller.

13. A sheet stack feeding mechanism, characterized in that: It comprises a sheet material feeding mechanism as described in any one of claims 1 to 12 and a sheet material positioning mechanism for positioning the sheet material in a set lamination area.

14. The sheet stack feeding mechanism according to claim 13, characterized in that: The sheet positioning mechanism includes a sheet positioning member, which is arranged at an end position close to the corresponding feeding end, and the sheet positioning member includes a sheet pressing rod, a sheet pressing needle or a sheet pressing block.

15. A sheet stacking feeding method, implemented using the sheet stacking feeding mechanism according to claim 13 or 14, characterized in that: The steps include: 1) Move the feeding end to its starting position; 2) After the sheet material is delivered to the feed end, the feed end is driven to move toward its end position by the feed drive mechanism, and the sheet material is moved synchronously with the feed belt under the action of the feed control mechanism; 3) After the feeding end reaches its end position, the sheet positioning mechanism is used to position the end of the sheet in the lamination area; 4) Drive the feeding end to move toward its starting position, and under the action of the feeding mechanism, the sheet material gradually separates from the feeding belt until it completely falls into the stacking area; 5) Continue to drive the feeding end toward its starting position until the feeding end returns to its starting position; 6) Repeat steps 2) to 5) until the sheet stacking is completed.

16. The sheet stacking feeding method according to claim 15, characterized in that: In the step 2), when the sheet is fed to the feeding end, the end of the sheet is exposed outside the feeding end; In the step 3), the sheet positioning mechanism is used to position the end of the sheet exposed outside the feeding end in the lamination area.

17. The sheet stacking feeding method according to claim 15, characterized in that: In step 3), when the feeding end reaches its end position, the feeding control mechanism drives the sheet to move so that the end of the sheet is exposed outside the feeding end, and then the sheet positioning mechanism is used to position the end of the sheet exposed outside the feeding end in the stacking area.

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