Manual film coating device for lithium battery

Abstract

The utility model provides a manual film coating device for a lithium battery, and belongs to the technical field of battery production. The manual film coating device for the lithium battery comprises a discharging rod, a driving rubber wheel, a receiving rod, a pressing piece, a transmission piece, two supporting side plates and a supporting bottom plate. According to the utility model, the blue film and the release film are separated, the driving rubber wheel guides the blue film to the battery, the blue film drives the driving rubber wheel to rotate, the transmission wheel drives the material receiving rod to rotate, and the material receiving rod receives the release film, so that the release film can be automatically separated, and the pressing piece extrudes the surface of the battery when the blue film abuts against the surface of the battery, so that the blue film is tightly attached to the surface of the battery; operation is simple, and manpower is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery production technical field, concretely relates to a lithium battery manual film coating device. BACKGROUND

[0002] The existing manual film coating tool is mainly composed of a pushing and tightening rubber roller and a feeding shaft. However, the existing manual film coating tool has the following problems: the blue film with release film cannot be automatically separated from the release film, the release film and the blue film are manually separated, the release film is randomly placed after being separated from the blue film, the compatibility is poor, only a single type of battery can be coated, the efficiency is low, and the labor cost is large. UTILITY MODEL CONTENTS

[0003] The utility model aims at the deficiency of the prior art, and provides a lithium battery manual film coating device.

[0004] The utility model provides a lithium battery manual film coating device, including feeding rod, driving rubber wheel, receiving rod, pressing piece, transmission part, two support side plates, bottom plate for supporting battery, support plate for supporting bottom plate, the both ends of feeding rod are rotatably connected to two support side plates respectively, the middle part of feeding rod is used for placing mixed film roll material, the mixed film includes blue film and release film pasted on one side of blue film, the both ends of driving rubber wheel and the both ends of receiving rod are rotatably connected to two support side plates respectively, the side of driving rubber wheel is abutted to blue film and is used for guiding blue film to battery, blue film is used to drive driving rubber wheel to rotate, the both ends of transmission part are connected to driving rubber wheel and receiving rod respectively, and transmission part is used to drive receiving rod to rotate when driving rubber wheel rotates, receiving rod is used to collect release film, pressing piece is used to extrude battery surface when blue film abuts on battery surface to make blue film adhere to battery surface.

[0005] Further, two side pressing blocks are arranged on the feeding rod to limit the left and right sides of the mixed film roll material.

[0006] Further, the pressing piece includes a pressing rubber wheel, a side support rod, a slide rail arranged on the side of the bottom plate, a sliding block arranged on the side support rod and slidably connected to the slide rail, and an adjusting structure capable of moving the pressing rubber wheel towards or away from the bottom plate, the both ends of the adjusting structure are respectively connected to the side support rod and the pressing rubber wheel.

[0007] Further, the adjusting structure includes a screw rod, a moving adjusting block, a support top rod connected to the top end of the side support rod, a first mounting through hole arranged through the support top rod, the end of the pressing rubber wheel is connected to the moving adjusting block, the middle part of the screw rod is rotatably connected to the first mounting through hole, and the moving adjusting block is screwed to the part of the screw rod below the support top rod.

[0008] Further, the side stopper is arranged on the bottom plate, and the positioning stopper is arranged on the bottom plate and used to abut against the first side of the battery.

[0009] Further, the first adjusting screw, the two first adjusting grooves arranged on the two mutually close sides of the support side plate respectively, the pressing rod with two ends respectively inserted into the two first adjusting grooves, the first fixing block fixed on the support side plate, the first screw groove arranged through the first fixing block, and the middle part of the first adjusting screw screwed into the first screw groove are arranged.

[0010] Further, the transmission member comprises the driving wheel, the material collecting wheel, the synchronous belt, the first connecting shaft connected to the driving wheel, and the second connecting shaft connected to the material collecting rod.

[0011] Further, the transmission member further comprises the idler wheel, the second adjusting screw, the fourth mounting through hole arranged through the first support side plate, the second fixing block fixed on the side of the first support side plate away from the idler wheel, the third connecting shaft connected to the idler wheel, the second screw groove arranged through the second fixing block, the stop ring connected to the end of the third connecting shaft away from the support side plate and used to limit the idler wheel, the first adjusting block connected to the other end of the third connecting shaft close to the support side plate, the bottom end of the second adjusting screw rotatably connected to the first adjusting block, and the middle part of the second adjusting screw screwed into the second screw groove.

[0012] Further, the first fixing structure is arranged, the first mounting groove is arranged in the bottom plate, and the first fixing structure is used to detachably fix and connect the positioning stopper to the bottom plate when the bottom end of the positioning stopper is inserted into the first mounting groove at different heights.

[0013] Further, the material collecting rod comprises a first connecting base rod rotatably connected to one supporting side plate, a second connecting base rod rotatably connected to another supporting side plate, and a third connecting base rod detachably connected to the first connecting base rod and the second connecting base rod at two ends respectively.

[0014] The lithium battery manual film coating device has the following beneficial effects:

[0015] The blue film and the release film are separated, the active rubber wheel guides the blue film to the battery, the blue film drives the active rubber wheel to rotate, the transmission wheel drives the material collecting rod to rotate, and the material collecting rod collects the release film, so that the release film can be automatically separated, and the pressing piece can extrude the surface of the battery when the blue film abuts against the surface of the battery, so that the blue film is tightly attached to the surface of the battery, and the operation is simple and labor-saving. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are incorporated into the specification and form part of the specification, illustrate the embodiments of the present application and, together with the description, serve to explain the principles of the present application. In these drawings, similar reference numerals are used to represent similar elements. The drawings in the following description are some embodiments of the present application, not all embodiments. For those skilled in the art, other drawings can be obtained from these drawings without creative labor.

[0017] Fig. 1 It is a first oblique view of a lithium battery manual film coating device in the embodiments of the present application.

[0018] Fig. 2 It is a second oblique view of a lithium battery manual film coating device in the embodiments of the present application.

[0019] In the drawings: 1 - side pressing block, 2 - material feeding rod, 3 - material collecting rod, 4 - pressing rod, 5 - active rubber wheel, 6 - supporting side plate, 7 - sliding rail, 8 - positioning baffle, 9 - adjusting knob, 10 - limiting nut, 11 - screw rod, 12 - moving adjusting block, 13 - side supporting rod, 14 - sliding block, 15 - supporting plate, 16 - pressing rubber wheel, 17 - bottom plate, 18 - supporting top rod, 19 - side stop block, 20 - second connecting bearing, 21 - first fixed block, 22 - first adjusting bolt, 23 - first adjusting block, 24 - second fixed block, 25 - second adjusting bolt, 26 - mixed film, 27 - driving wheel, 28 - baffle ring, 29 - third connecting shaft, 30 - idler, 31 - material collecting wheel, 32 - synchronous belt, 33 - first fixed structure, 34 - blue film, 35 - release film. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model. It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other in any way without conflict.

[0021] Please refer to Figs. 1-2 The lithium battery manual film coating device which this embodiment of the utility model discloses a discharging rod 2, a driving rubber wheel 5, a material collecting rod 3, a pressing piece, a transmission part, two support side plates 6, a bottom plate 17 for supporting the battery, a support plate 15 for supporting the bottom plate 17, the both ends of the discharging rod 2 are rotatably connected to the two support side plates 6 respectively, the middle part of the discharging rod 2 is used for placing mixed film 26 roll material, the mixed film 26 includes a blue film 34 and a release film 35 attached to one side of the blue film 34, the both ends of the driving rubber wheel 5 and the both ends of the material collecting rod 3 are rotatably connected to the two support side plates 6 respectively, the side surface of the driving rubber wheel 5 abuts against the blue film 34, the blue film 34 is used to drive the driving rubber wheel 5 to rotate, the both ends of the transmission part are connected to the driving rubber wheel 5 and the material collecting rod 3 respectively, and the transmission part is used to drive the material collecting rod 3 to rotate when the driving rubber wheel 5 rotates, the material collecting rod 3 is used to collect the release film 35, and the pressing piece is used to extrude the surface of the battery when the blue film 34 abuts against the surface of the battery so that the blue film 34 is tightly attached to the surface of the battery.

[0022] Here, one side of the blue film 34 away from the release film 35 abuts against the driving rubber wheel 5, the blue film 34 and the release film 35 are separated, the blue film 34 abuts against the side surface of the driving rubber wheel 5, one end of the blue film 34 is moved to the battery, the blue film 34 drives the driving rubber wheel 5 to rotate when the blue film 34 is pulled, one end of the release film 35 is moved to the material collecting rod 3, one end of the release film 35 is fixedly connected to the material collecting rod 3, the material collecting rod 3 is driven to rotate by the transmission part when the driving rubber wheel 5 rotates, the material collecting rod 3 rotates along the first preset direction, then the material collecting rod 3 collects the release film 35, the release film 35 is automatically collected, the blue film 34 abuts against the surface of the battery, the pressing piece extrudes the surface of the battery so that the blue film 34 is tightly attached to the surface of the battery, and the effect of battery film coating is improved.

[0023] The lithium battery manual film coating device in the embodiment can also include two side pressing blocks 1 arranged on the discharging rod 2 and used for limiting the left and right sides of the mixed film 26 roll material respectively.

[0024] Specifically, the two side pressing blocks 1 are symmetrically arranged. The feeding rod 2 is used to place and fix the mixed film 26 roll. After the mixed film 26 roll is installed on the feeding rod 2, the two side pressing blocks 1 abut against the two side surfaces of the mixed film 26 roll respectively, so that the mixed film 26 roll is prevented from sliding left and right on the feeding rod 2, and the mixed film 26 roll is fixed from the side.

[0025] The pressing member comprises a pressing rubber wheel 16, a side supporting rod 13, a slide rail 7 arranged on the side surface of a bottom plate 17, a slide block 14 arranged on the side supporting rod 13 and slidingly connected to the slide rail 7, and an adjusting structure capable of driving the pressing rubber wheel 16 to move towards the bottom plate 17 or away from the bottom plate 17, two ends of the adjusting structure being connected to the side supporting rod 13 and the pressing rubber wheel 16 respectively.

[0026] Specifically, the bottom plate 17 is horizontally arranged, and the adjusting structure drives the pressing rubber wheel 16 to move towards the bottom plate 17 or away from the bottom plate 17, i.e. the adjusting structure drives the pressing rubber wheel 16 to move up and down, so as to conveniently adjust the distance between the pressing rubber wheel 16 and the battery and improve the pressing effect of the pressing rubber wheel 16.

[0027] The adjusting structure comprises a screw rod 11, a moving adjusting block 12, a supporting top rod 18 connected to the top end of the side supporting rod 13, a first mounting through hole arranged through the supporting top rod 18, an end portion of the pressing rubber wheel 16 being connected to the moving adjusting block 12, a middle portion of the screw rod 11 being rotationally connected to the first mounting through hole, and the moving adjusting block 12 being screwed to the portion of the screw rod 11 below the supporting top rod 18.

[0028] Specifically, the side support rods 13 can be two symmetrically arranged, the slide rails 7 can be two symmetrically arranged on the two side faces of the bottom plate 17, the slide blocks 14 are two respectively arranged on the two side support rods 13, the two slide blocks 14 are respectively arranged corresponding to the two slide rails 7, and the two slide blocks 14 are respectively slidably connected to the corresponding slide rails 7. The two ends of the support top rod 18 can be respectively connected to the top ends of the two side support rods 13, and the support top rod 18 is parallel to the bottom plate 17. A first connecting bearing can be arranged at the first mounting through hole, and the middle part of the screw rod 11 can be rotatably connected to the first connecting bearing. The adjusting structure further includes an adjusting knob 9 and a limiting nut 10. The top end of the screw rod 11 penetrates through the first mounting through hole and protrudes above the support top rod 18, and the adjusting knob 9 is connected to the top end of the screw rod 11. The limiting nut 10 is screwed on the portion of the screw rod 11 between the support top rod 18 and the moving adjusting block 12, and the limiting nut 10 limits the screw rod 11 when the screw rod 11 runs upward. Rotating the adjusting knob 9 drives the screw rod 11 to rotate, so that the moving adjusting block 12 moves up and down, thereby driving the pressing rubber wheel 16 to move up and down. The screw rod 11 and the moving adjusting block 12 cooperate to realize the up-and-down movement of the moving adjusting block 12 by rotating the screw rod 11, thereby controlling the pressing rubber wheel 16 to press down. The side support rods 13 facilitate the up-and-down movement of the moving adjusting block 12 without left-right deviation. The slide blocks 14 and the slide rails 7 cooperate to perform translational motion, the slide blocks 14 are arranged together with the side support rods 13, and the pressing rubber wheel 16 can be ensured to slide in translation.

[0029] Specifically, the two support side plates 6 are respectively connected to the bottom plate 17, and the bottom plate 17 is used to place the battery and install various components. The support plates 15 can be a plurality of support plates arranged at the bottom end of the bottom plate 17, and the support plates 15 are used to support the entire device. The pressing rubber wheel 16 is wrapped with a layer of silica gel, and the pressing rubber wheel 16 presses the battery to ensure that there is no obvious bubble on the surface of the battery after the blue film 34 slides over the surface of the battery. The support top rod 18 is used to ensure the stability and smooth sliding of the pressing member.

[0030] The lithium battery manual film wrapping device in the embodiment can further include a side stop block 19 arranged on the bottom plate 17 and a positioning stop strip 8 arranged on the bottom plate 17. The positioning stop strip 8 is used to abut against a first side face of the battery, and the side stop block 19 is used to abut against a second side face adjacent to the first side face on the battery.

[0031] Specifically, the positioning stop strip 8 is parallel to the length direction of the large face of the battery and abuts against the first side face adjacent to the large face of the battery. The side stop block 19 is parallel to the width direction of the large face of the battery and abuts against the second side face adjacent to the large face of the battery. The positioning stop strip 8 is used to fix the position of the battery. The side stop block 19 is used to block the battery from left and right sliding, fix the position of the battery during film wrapping, and ensure the consistency of film wrapping.

[0032] The manual film coating device for lithium battery in the embodiment can further comprise a first adjusting bolt 22, two first adjusting grooves respectively arranged on the two sides of each of the two support side plates 6, a pressing rod 4 respectively inserted into the two first adjusting grooves, a first fixing block 21 fixed to the support side plate 6, a first threaded groove penetratingly arranged on the first fixing block 21, and the middle part of the first adjusting bolt 22 screwed into the first threaded groove. The pressing rod 4 and the driving rubber wheel 5 are provided with an insertion gap for the mixed film 26 to be inserted, and the bottom end of the first adjusting bolt 22 abuts against the pressing rod 4 to push the pressing rod 4 to move towards the driving rubber wheel 5.

[0033] Specifically, the mixed film 26 is inserted into the insertion gap, and the blue film 34 and the release film 35 can be separated after the mixed film 26 passes through the insertion gap. The width of the first adjusting groove is slightly larger than the diameter of the pressing rod 4, the length of the first adjusting groove is greater than the diameter of the pressing rod 4, the first adjusting groove is a strip-shaped groove, and the pressing rod 4 can move up and down in the first adjusting groove. After the mixed film 26 passes through the insertion gap, the bottom end of the first adjusting bolt 22 abuts against the pressing rod 4, the first adjusting bolt 22 is rotated, the bottom end of the first adjusting bolt 22 is moved downward by screwing the first adjusting bolt 22 at different positions of the first adjusting groove, the first adjusting bolt 22 pushes the pressing rod 4 to move downward, the axis of the pressing rod 4 can be parallel to the axis of the driving rubber wheel 5, and the pressing rod 4 moves towards the driving rubber wheel 5, thereby reducing the size of the insertion gap, so that the mixed film 26 can be tightly attached to the side surface of the driving rubber wheel 5, one side surface of the blue film 34 is tightly attached to the driving rubber wheel 5, and the friction between the driving rubber wheel 5 and the blue film 34 is improved, so that the driving rubber wheel 5 can be better driven to rotate when the blue film 34 is pulled.

[0034] The transmission member can comprise a driving wheel 27, a material collecting wheel 31, a synchronous belt 32, a first connecting shaft connected to the driving rubber wheel 5, and a second connecting shaft connected to the material collecting rod 3. The first support side plate 6 is provided with a second mounting through hole and a third mounting through hole penetratingly arranged thereon. One end of the first connecting shaft is rotatably connected to the second support side plate 6, the middle part of the first connecting shaft is rotatably connected to the second mounting through hole, and the other end of the first connecting shaft protrudes from one side of the first support side plate 6. One end of the second connecting shaft is rotatably connected to the second support side plate 6, the middle part of the second connecting shaft is rotatably connected to the third mounting through hole, and the other end of the second connecting shaft protrudes from one side of the first support side plate 6. The driving wheel 27 is connected to the other end of the first connecting shaft, the material collecting wheel 31 is connected to the other end of the second connecting shaft, and the two ends of the synchronous belt 32 are respectively sleeved with the driving wheel 27 and the material collecting wheel 31.

[0035] Specifically, the transmission member further comprises a second connecting bearing 20 arranged at the second mounting through hole and a third connecting bearing arranged at the third mounting through hole. The middle part of the first connecting shaft is connected to the second connecting bearing 20, and the middle part of the second connecting shaft is connected to the third connecting bearing.

[0036] The transmission member further comprises an idler 30, a second adjusting bolt 25, a fourth mounting through hole provided through the first support side plate 6, a second fixing block 24 fixed to a side of the first support side plate 6 away from the idler 30, a third connecting shaft 29 connected to the idler 30 in the middle, a second threaded groove provided through the second fixing block 24, and a first adjusting block 23 connected to one end of the third connecting shaft 29 close to the support side plate 6, wherein the bottom end of the second adjusting bolt 25 is rotationally connected to the first adjusting block 23, and the second adjusting bolt 25 is screwed to the second threaded groove at different positions in the middle.

[0037] Specifically, the second adjusting bolt 25 serves to press the first adjusting block 23. The first adjusting block 23 serves to control the up-and-down movement of the third connecting shaft 29, thereby driving the idler 30 to move up and down, so as to adjust the tension of the synchronous belt 32. The transmission member further comprises a check ring 28 connected to the other end of the third connecting shaft 29 away from the support side plate 6, which limits one side of the idler 30.

[0038] The lithium battery manual coating device in the embodiment can further comprise a first fixing structure 33. The bottom plate 17 is provided with a first mounting groove, and the first fixing structure 33 is used to detachably fix and connect the positioning baffle 8 to the bottom plate 17 when the bottom end of the positioning baffle 8 is inserted into the first mounting groove at different heights.

[0039] Specifically, the first fixing structure 33 can comprise a first fixing bolt and a first fixing nut. A first strip-shaped through hole can be provided through the positioning baffle 8. First fixing holes are provided through the two side surfaces of the bottom plate 17 close to the first mounting groove. The two first fixing holes are respectively and communicatively arranged with the first mounting groove. When the positioning baffle 8 is inserted into the first mounting groove at a preset position, one end of the first fixing bolt passes through one first fixing hole, the first strip-shaped through hole, the other first fixing hole, and protrudes from one side of the bottom plate 17 in sequence. The first fixing nut is screwed to the part of the first fixing bolt protruding from one side of the bottom plate 17. The first fixing nut and the first fixing bolt respectively abut the two side surfaces of the bottom plate 17. The positioning baffle 8 is fixedly connected to the bottom plate 17 through the combined action of the first fixing bolt and the first fixing nut.

[0040] The material receiving rod 3 comprises a first connecting base rod rotationally connected to one support side plate 6, a second connecting base rod rotationally connected to the other support side plate 6, and a third connecting base rod detachably connected to the first connecting base rod and the second connecting base rod at two ends respectively.

[0041] Specifically, the material collecting rod 3 is composed of a first connecting base rod, a second connecting base rod and a third connecting base rod, the two ends of the third connecting base rod are detachably connected to the first connecting base rod and the second connecting base rod respectively, the third connecting base rod can be detached, and the third connecting base rod is used to collect the release film 35, and the release film 35 after separation can be conveniently collected by detaching the third connecting base rod.

[0042] Specifically, the present application mainly includes two parts, the first part is that the pressing rubber wheel 16 can move on a plane through the movement guarantee of the sliding rail 7 and the sliding block 14, when the battery is placed on the bottom plate 17, then the blue film 34 is pulled to stick to one corner of the battery, then the pressing rubber wheel 16 is pushed to press the blue film 34 to wrap one large surface of the battery, then the pressing rubber wheel 16 is slid to the back, the battery is manually rotated to another large surface, the pressing rubber wheel 16 is pushed to press the blue film 34 to wrap another large surface of the battery, the blue film 34 is pushed to the back, then the blue film 34 is cut off with a knife, and the battery is pasted; the second part is that the release film 35 is automatically separated from the blue film 34 and is wound, the blue film 34 is pulled to drive the driving rubber wheel 5 to rotate, the driving rubber wheel 5 drives the driving wheel 27 to rotate, the driving wheel 27 drives the material collecting wheel 31 to rotate through the synchronous belt 32, so that the material collecting rod 3 rotates to collect the release film 35, the separation position of the release film 35 and the blue film 34 can be in the insertion gap between the pressing rod 4 and the driving rubber wheel 5, the separation of the blue film 34 and the release film 35 can be realized, the release film 35 can be automatically collected, the operation is convenient, manpower is saved, and the working efficiency is improved; the positioning baffle 8 can be movably adjusted, the height of the part protruding above the bottom plate 17 of the positioning baffle 8 can be adjusted, different thickness batteries can be compatible, and different model and size batteries can be compatible.

[0043] The above-described content can be implemented alone or in various combinations, and these variants are within the protection scope of the present application.

[0044] It should be noted that, in the description of the present application, the terms of orientation or positional relationship "upper end", "lower end", "bottom end" are based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the present application is used, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device containing a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including one" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0045] Finally, it should be noted that the above examples are intended to illustrate the technical solutions of the present application, but not to limit them. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent substitutions for part of the technical features; and these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A lithium battery manual coating device, characterized in that: The utility model provides a kind of battery film pressing device, including feeding rod (2), active rubber wheel (5), material collecting rod (3), pressing piece, transmission part, two support side plates (6), bottom plate (17) for supporting battery, support plate (15) for supporting bottom plate (17);The both ends of the feeding rod (2) are rotatably connected to the two support side plates (6) respectively, and the middle part of the feeding rod (2) is used to place the mixed film (26) roll material, the mixed film (26) includes blue film (34) and release film (35) pasted on the side surface of blue film (34);The both ends of the active rubber wheel (5) and the both ends of the material collecting rod (3) are rotatably connected to the two support side plates (6) respectively;The side surface of the active rubber wheel (5) abuts against the blue film (34);The blue film (34) is used to drive the active rubber wheel (5) to rotate;The both ends of the transmission part are connected to the active rubber wheel (5) and the material collecting rod (3) respectively, to drive the material collecting rod (3) to rotate when the active rubber wheel (5) rotates, and the material collecting rod (3) is used to collect the release film (35);The pressing piece is used to extrude the surface of battery when the blue film (34) abuts against the surface of battery to make the blue film (34) adhere to the surface of battery.

2. A manual lithium battery film wrapping device as claimed in claim 1, wherein: It also includes two side pressing blocks (1) arranged on the feeding rod (2) to limit the left and right sides of the mixed film (26) roll material respectively.

3. A manual film wrapping device for lithium batteries as claimed in claim 1 or 2, characterized in that: The pressing piece includes pressing rubber wheel (16), side support rod (13), slide rail (7) arranged on the side surface of bottom plate (17), sliding block (14) arranged on the side support rod (13) and slidingly connected to the slide rail (7), and adjusting structure that can drive the pressing rubber wheel (16) to move towards the direction close to or away from the bottom plate (17), the both ends of the adjusting structure are connected to the side support rod (13) and the pressing rubber wheel (16) respectively.

4. A manual lithium battery film wrapping device as claimed in claim 3, wherein: The adjusting structure includes screw rod (11), moving adjustment block (12), support top rod (18) connected to the top end of the side support rod (13), first installation through hole arranged through the support top rod (18), the end of the pressing rubber wheel (16) is connected to the moving adjustment block (12), the middle part of the screw rod (11) is rotatably connected to the first installation through hole, and the moving adjustment block (12) is screwed on the part of the screw rod (11) below the support top rod (18).

5. A lithium battery manual coating device as claimed in claim 1 or 2, characterized in that: It also includes side stop block (19) arranged on the bottom plate (17) and positioning stop bar (8) arranged on the bottom plate (17), the positioning stop bar (8) is used to abut against the first side surface of battery, and the side stop block (19) is used to abut against the second side surface adjacent to the first side surface on the battery.

6. A manual coating device for lithium batteries as claimed in claim 1 or 2, characterized in that: The first adjusting screw (22) is screwed in the middle part of the first screw groove, the insertion gap is arranged between the pressing rod (4) and the driving rubber wheel (5) for inserting the mixed film (26), and the bottom end of the first adjusting screw (22) abuts against the pressing rod (4) to push the pressing rod (4) to move towards the driving rubber wheel (5).

7. A lithium battery manual coating device as claimed in claim 1 or 2, characterized in that: The transmission member comprises a driving wheel (27), a material collecting wheel (31), a synchronous belt (32), a first connecting shaft connected to the driving rubber wheel (5), and a second connecting shaft connected to the material collecting rod (3), the second mounting through hole and the third mounting through hole are arranged in the first supporting side plate (6) in a penetrating manner, one end of the first connecting shaft is rotatably connected to the second supporting side plate (6), the middle part of the first connecting shaft is rotatably connected to the second mounting through hole, and the other end of the first connecting shaft protrudes from one side of the first supporting side plate (6), one end of the second connecting shaft is rotatably connected to the second supporting side plate (6), the middle part of the second connecting shaft is rotatably connected to the third mounting through hole, and the other end of the second connecting shaft protrudes from one side of the first supporting side plate (6), the driving wheel (27) is connected to the other end of the first connecting shaft, the material collecting wheel (31) is connected to the other end of the second connecting shaft, and the two ends of the synchronous belt (32) are sleeved with the driving wheel (27) and the material collecting wheel (31) respectively.

8. A manual lithium battery film wrapping device as claimed in claim 7, wherein: The transmission member further comprises an idler wheel (30), a second adjusting screw (25), a fourth mounting through hole arranged in the first supporting side plate (6) in a penetrating manner, a second fixing block (24) fixed to the side face of the first supporting side plate (6) away from the idler wheel (30), a third connecting shaft (29) connected to the middle part of the idler wheel (30), a second screw groove arranged in the second fixing block (24) in a penetrating manner, a first adjusting block (23) connected to one end of the third connecting shaft (29) close to the supporting side plate (6), and the bottom end of the second adjusting screw (25) is rotatably connected to the first adjusting block (23), and the middle part of the second adjusting screw (25) is screwed in the second screw groove at different positions.

9. A lithium battery manual coating device as claimed in claim 5, characterized in that: The first fixing structure (33) is arranged in the first mounting groove in the bottom plate (17), and the positioning baffle (8) is detachably fixedly connected to the bottom plate (17) when the bottom end of the positioning baffle (8) is inserted into the first mounting groove at different heights.

10. A lithium battery manual coating device as claimed in claim 1 or 2, characterized in that: The material collecting rod (3) comprises a first connecting base rod rotatably connected to one supporting side plate (6), a second connecting base rod rotatably connected to the other supporting side plate (6), and a third connecting base rod detachably connected to the first connecting base rod and the second connecting base rod at both ends.

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