Film tearing machine

Abstract

The embodiment of the utility model provides a film tearing machine, and relates to the technical field of battery processing, and the film tearing machine comprises a first support, a second support and a third support, the cutter is arranged on the film tearing channel, and the cutter is configured to cut the protective film on the product to be subjected to film tearing in the extending direction of the film tearing channel; the two film rolling devices comprise film rolling bodies, the two film rolling bodies are arranged on the two sides of the film tearing channel correspondingly, and the two film rolling bodies are used for being connected with a first film body and a second film body formed after cutting of the cutter correspondingly; and the driving mechanism is used for driving the film rolling bodies to rotate reversely, so that the first film body and the second film body are wound on the two film rolling bodies correspondingly, the film tearing efficiency is effectively improved, and the film tearing difficulty is reduced.

Description

Technical Field

[0001] The present application relates to the field of battery processing technology, and in particular to a film tearing machine. Background Art

[0002] During the battery production process, a blue film is applied to the battery's two side surfaces along its length, as well as the bottom surface between the two sides. The blue film needs to be removed during later battery testing or assembly.

[0003] The blue film needs to be firmly adhered to the battery surface to effectively protect it, so the blue film is extremely adhesive, which makes it difficult to remove it from the battery surface later. Utility Model Content

[0004] The embodiment of the present application provides a film tearing machine to reduce the difficulty of film tearing and improve the efficiency of film tearing.

[0005] The film tearing machine provided in the embodiment of the present application includes:

[0006] A first bracket is provided with a film tearing channel, and the product to be torn off can move along the film tearing channel;

[0007] a cutter, which is arranged on the film tearing channel, and is configured to cut the protective film on the product to be torn along the extension direction of the film tearing channel;

[0008] Two film rolls, each comprising a film roll body, the two film roll bodies being respectively disposed on both sides of the film tearing channel, and the two film roll bodies being respectively connected to the first film body and the second film body formed after being cut by the cutter;

[0009] The driving mechanism is used to drive the film rolls to rotate in opposite directions, so that the first film roll and the second film roll are respectively wound on the two film rolls.

[0010] In some possible designs, a support rod is provided on each opposite side of the film tearing channel, the support rod is located in front of the outlet of the cutter, the film roll body is located on the rear side of the support rod, and the first film body and the second film body are respectively connected to the film roll body by bypassing the support rod.

[0011] In some possible designs, two first adjustment components are further provided on the first bracket, and the two first adjustment components are respectively arranged above and below the film tearing channel to form a guide channel for the power core to pass through between the two first adjustment components, and the outlet side of the guide channel is opposite to the inlet side of the cutter.

[0012] In some possible designs, the first adjustment assembly includes an adjustment frame, a connecting component and at least one third bearing, the connecting component is connected to the adjustment frame, the third bearing is rotatably connected to the connecting component, and the third bearings of the two first adjustment assemblies are in rolling contact with the top and bottom of the product to be torn off, respectively.

[0013] In some possible designs, the connecting component includes a connecting plate, a positioning rod, two gap adjustment blocks, and a first positioning bolt. At least one first strip hole is correspondingly provided on two opposite sides of the adjustment frame. The first strip hole extends along the height direction of the first bracket. The two gap adjustment blocks are respectively located on two opposite sides of the adjustment frame. The first positioning bolt can be inserted into different positions in the first strip hole to fix the gap adjustment blocks at different positions of the adjustment frame by the first positioning bolt.

[0014] Both ends of the positioning rod are respectively connected to the two gap adjustment blocks, the connecting plate is installed on the positioning rod, and the third bearing is connected to the connecting plate on the side facing the product to be torn.

[0015] In some possible designs, at least one second adjustment component is further provided on the first bracket, and the second adjustment component is used to adjust the distance between the two support rods.

[0016] In some possible designs, two second adjustment assemblies are provided, and the second adjustment assemblies include a fixing plate and two mounting plates, and the two fixing plates are respectively connected to the two adjustment frames;

[0017] The mounting plate or the fixing plate is provided with a second strip hole, the second strip hole extends along the width direction of the film tearing channel, the mounting plate is fixed to the fixing plate by a second positioning bolt, and the second positioning bolt can be inserted in different positions of the second strip hole to fix the mounting plate at different positions of the fixing plate, and the two ends of the two support rods are respectively connected to the mounting plates.

[0018] In some possible designs, the support rod is rotatably connected to the mounting plate via a first bearing.

[0019] In some possible designs, the film roll device further includes an upper cover, a lower cover, and a third adjustment assembly, the film roll body includes a first film roll body and a second film roll body that cooperate with each other, the first film roll body and the second film roll body are both located between the upper cover and the lower cover, and two ends of at least one of the first film roll body and the second film roll body are rotatably connected to the upper cover and the lower cover respectively;

[0020] The third adjustment component is at least partially located between the first roll film body and the second roll film body, and the third adjustment component is configured to drive the first roll film body and / or the second roll film body to rotate relative to the upper cover and the lower cover to increase or decrease the outer diameter of the roll film body.

[0021] In some possible designs, at least one connecting shaft is eccentrically provided on the first roll film body, and the first roll film body is rotatably connected to the upper cover and the lower cover through the connecting shaft, and both ends of the second roll film body are fixedly connected to the upper cover and the lower cover respectively.

[0022] In some possible designs, at least one of the surfaces of the first and second film rolls that are close to each other is provided with a positioning portion close to the connecting axis, and the positioning portion is configured to press the end of the first film roll or the second film roll between the first film roll and the second film roll when the outer diameter of the film roll increases.

[0023] In some possible designs, the positioning portion includes a plurality of positioning teeth.

[0024] In some possible designs, the upper cover is provided with an avoidance groove corresponding to the positioning portion.

[0025] In some possible designs, the third adjustment assembly includes an adjustment block, an adjustment rod, and an elastic member; at least one of the first film roll body and the second film roll body is provided with a first mounting groove for inserting the adjustment block on a side close to each other; one end of the adjustment rod is connected to the adjustment block, and the other end extends to the outside of the upper cover; the adjustment rod is rotatably connected to the first film roll body or the second film roll body; the length and width of the adjustment block are different; and the adjustment block is configured to drive the first film roll body to rotate relative to the connecting shaft when the adjustment rod drives the adjustment block to rotate;

[0026] The elastic member is connected to the first roll film body and the second roll film body respectively, and the elastic member is located between the connecting shaft and the positioning part. The elastic member is configured to drive the first roll film body to rotate when the adjustment block is located at a position that reduces the outer diameter of the roll film body, so that the positioning part loosens the first film body or the second film body.

[0027] In some possible designs, the third adjustment assembly further includes a protection plate, and the first film roll body is provided with a second mounting groove for mounting the protection plate;

[0028] The first mounting groove is provided on the second film roll body, and the protection plate is used to contact the adjustment block to drive the first film roll body to rotate.

[0029] In some possible designs, at least one second bearing is mounted on the adjustment block, the second bearing is rotatably connected to the adjustment block, and the second bearing at least partially extends outside the adjustment block, and the second bearing is configured to roll in contact with the protective plate when the adjustment block drives the first roll film body to rotate.

[0030] In some possible designs, the protection plate is provided with an arc-shaped groove that coincides with the motion trajectory of the second bearing.

[0031] In some possible designs, the second roll film body includes a first connecting part and a second connecting part arranged in an upper and lower relationship, and the first connecting part and the second connecting part are respectively provided with the first mounting groove, and a part of the adjustment block is located in the first mounting groove of the first connecting part, and the other part is located in the first mounting groove of the second connecting part.

[0032] In some possible designs, a machine base is further included, and the film roll further includes a transmission component, a connecting rod, a first one-way bearing and a second one-way bearing;

[0033] The first one-way bearing and the second one-way bearing each include an inner ring and an outer ring. One end of the connecting rod is connected to the lower cover, and the other end passes through the inner rings of the first one-way bearing and the second one-way bearing in sequence, and is rotatably connected to the machine base. The connecting rod is key-connected to the inner rings of the first one-way bearing and the second one-way bearing. The outer ring of the first one-way bearing is key-connected to the first bearing sleeve, the first bearing sleeve is connected to the machine base, the outer ring of the second one-way bearing is key-connected to the second bearing sleeve, and the second bearing sleeve is connected to the transmission component.

[0034] The transmission component is configured to be in transmission connection with the driving mechanism to drive the connecting rod to rotate toward the film rolling direction through the second one-way bearing;

[0035] The inner rings of the first one-way bearing and the second one-way bearing can rotate relative to the outer ring in a direction opposite to the film rolling direction.

[0036] In some possible designs, the driving mechanism includes a motor and two transmission shafts, the two transmission shafts are arranged side by side and are both rotatably connected to the machine base, a transmission gear and a first sprocket are coaxially arranged on the transmission shaft, the transmission gears on the two transmission shafts are meshed with each other, the motor is connected to one of the transmission gears, the transmission component includes a second sprocket, the first sprockets on the two transmission shafts are connected to the second sprocket via chains to drive the film rolling bodies of the two film rolls to rotate in opposite directions.

[0037] In some possible designs, a pushing mechanism is further included, wherein the pushing mechanism is configured to push the product to be torn film to move along the film tearing channel until the product to be torn film at least partially passes through the outlet side of the cutter.

[0038] In some possible designs, the pushing mechanism includes at least one pushing cylinder and a pushing component, wherein the pushing component is connected to the pushing cylinder, and the pushing component is configured to push the product to be torn film in contact with the pushing component to move along the film tearing channel under the drive of the pushing cylinder.

[0039] In some possible designs, two pushing cylinders are arranged side by side, and the pushing component includes a slide and a push plate. The slide is connected to the two pushing cylinders, and the slide is slidably connected to the first bracket. The push plate is arranged on the side of the slide facing the cutter, and the push plate is used to contact the film assembly to be torn.

[0040] In some possible designs, at least one first guide component is provided in the film tearing channel, and the first guide group is located between the pushing mechanism and the cutter. The first guide component is configured to limit the moving direction of the product to be torn when the pushing mechanism drives the product to be torn to move.

[0041] In some possible designs, the first guide assembly includes two first pulley groups, which are relatively arranged on both sides of the film tearing channel. The first pulley group includes at least one first guide pulley, which is used to correspond to the rolling contact with the side of the product to be torn.

[0042] In some possible designs, a second bracket is further included, wherein the second bracket is provided with a placement groove connected to the film tearing channel, and the placement groove is used to receive the product to be torn off after the film tearing is completed and leaves the first bracket.

[0043] In some possible designs, at least one second guide assembly is provided in the placement groove, and the second guide assembly includes at least two second pulley groups and at least one roller, and the two second pulley groups are relatively arranged on both sides of the placement groove, and the second pulley group includes at least one second guide pulley, and the second guide pulley is used to roll in contact with the side of the product to be torn off, and the roller is located at the bottom of the placement groove, and the roller is used to roll in contact with the bottom of the product to be torn off.

[0044] The film tearing machine provided in the embodiment of the present application is used to tear off the protective film on the surface of the product to be torn off by arranging a first bracket, a cutter, two film rollers and a driving mechanism, so that the protective film of the product to be torn off is easier and faster to tear off. Specifically, when tearing the film, the product to be torn off is placed in the film tearing channel on the first bracket, and the product to be torn off is moved toward the cutter along the film tearing channel. After the product to be torn off passes the cutting position of the cutter, the protective film on the surface of the product to be torn off will be cut by the cutter. At this time, the first film body formed by the cut of the protective film on the product to be torn off can be removed from the outlet side of the cutter The first and second film bodies are connected to the film roll bodies of the two film rolls respectively, and the two film rolls are driven to rotate in opposite directions by the driving mechanism, so that the first film body and the second film body are driven by the film roll body to gradually wrap around the film roll body. At the same time, the film roll body pulls the first film body and the second film body to drive the product to be torn off to automatically move toward the outlet side of the cutter until the protective film on the surface of the product to be torn off is completely torn off. This film tearing method is not only efficient, but also can use the strong adhesion of the protective film to drive the product to be torn off to move, so that the moving speed of the product to be torn off during film cutting matches the speed of the film roll body. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0046] Figure 1 A three-dimensional diagram of a film tearing machine provided in an embodiment of the present application;

[0047] Figure 2 A side view of the film tearing machine provided in an embodiment of the present application;

[0048] Figure 3 A top view of the film tearing machine provided in an embodiment of the present application;

[0049] Figure 4 A three-dimensional diagram of the first bracket in the film tearing machine provided in an embodiment of the present application;

[0050] Figure 5 for Figure 4 a top view of the first bracket in FIG;

[0051] Figure 6 for Figure 5 AA section view in;

[0052] Figure 7 for Figure 4 A schematic structural diagram of the adjustment frame in the first bracket;

[0053] Figure 8 A schematic structural diagram of a cutter in a film tearing machine provided in an embodiment of the present application;

[0054] Figure 9 A schematic diagram of the structure of the base of the film tearing machine provided in an embodiment of the present application;

[0055] Figure 10 A schematic structural diagram of a panel in a film tearing machine provided in an embodiment of the present application;

[0056] Figure 11 An exploded view of a film roll in a film tearing machine provided in an embodiment of the present application;

[0057] Figure 12 A top view of a film roll in a film tearing machine provided in an embodiment of the present application;

[0058] Figure 13 for Figure 12 A side view of the film roll in FIG.

[0059] Figure 14 for Figure 11 A schematic structural diagram of the first film roll in the film roll device;

[0060] Figure 15 for Figure 11 A schematic diagram of the structure of the regulating block in the film roll;

[0061] Figure 16 for Figure 11 A schematic structural diagram of the second film roll in the film roll;

[0062] Figure 17 for Figure 11 A schematic diagram of the structure of the protective plate in the film roll;

[0063] Figure 18 for Figure 17 A top view of the protective plate in FIG.

[0064] Figure 19 A schematic diagram of the structure of the driving mechanism of the film tearing machine provided in an embodiment of the present application;

[0065] Figure 20 A schematic structural diagram of a positioning assembly in a film tearing machine provided in an embodiment of the present application;

[0066] Figure 21 A three-dimensional diagram of the pushing mechanism in the film tearing machine provided in an embodiment of the present application;

[0067] Figure 22 for Figure 21 A top view of the propulsion mechanism in FIG.

[0068] Figure 23 A three-dimensional diagram of the second bracket in the film tearing machine provided in an embodiment of the present application;

[0069] Figure 24 for Figure 23 A top view of the second bracket in FIG.

[0070] Reference numerals:

[0071] 100-base;

[0072] 200 - first bracket; 210 - film tearing channel; 220 - support rod; 221 - mounting plate; 222 - fixing plate; 223 - second strip hole; 224 - first bearing; 230 - adjustment frame; 231 - third bearing; 232 - connecting plate; 233 - positioning rod; 234 - gap adjustment block; 240 - first guide pulley; 250 - first support plate; 260 - reinforcement plate;

[0073] 300-panel;

[0074] 400-cutter;

[0075] 500 - film roll; 510 - upper cover; 511 - avoidance groove; 520 - lower cover; 530 - film roll body; 531 - first film roll body; 5311 - connecting shaft; 5312 - second mounting groove; 5313 - positioning portion; 532 - second film roll body; 5321 - first connecting portion; 5322 - second connecting portion; 5323 - first mounting groove; 533 - adjustment block; 534 - second bearing; 535 - adjustment rod; 5351 - handle; 536 - elastic member; 537 - protection plate; 5371 - arc groove; 540 - connecting rod; 550 - first one-way bearing; 551 - first bearing sleeve; 560 - second one-way bearing; 561 - second bearing sleeve; 570 - transmission component; 571 - lower bearing seat; 572 - fourth bearing; 573 - second sprocket;

[0076] 600 - second bracket; 610 - second support plate; 620 - placement slot; 630 - second guide assembly; 631 - second guide pulley; 632 - roller;

[0077] 700-driving mechanism; 710-motor; 720-transmission shaft; 730-transmission gear; 740-first sprocket; 750-third sprocket; 760-mounting frame;

[0078] 800-pushing mechanism; 810-pushing cylinder; 820-pushing component; 821-slide; 822-push plate.

[0079] The above drawings illustrate specific embodiments of the present application, which will be described in more detail below. These drawings and the textual description are not intended to limit the scope of the present application in any way, but rather to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments. DETAILED DESCRIPTION

[0080] Exemplary embodiments will be described in detail herein, with examples illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

[0081] During the production process, batteries need to have a protective film on the surface, which is then torn off later. The protective film is generally a blue film with extremely strong adhesiveness. In the past, the protective film on the batteries was usually torn off manually one by one. The efficiency of manual film tearing is low, and now the consumption of batteries is large, and the manual film tearing method is difficult to meet production needs.

[0082] When using a film-tearing component such as a robot to tear off the film, the protective film will stick to these film-tearing components after tearing off, making it difficult to tear off the film due to the adhesion of the protective film. In addition, the protective film is extremely sticky and is difficult to remove from the film-tearing component.

[0083] In order to avoid the above problems, the embodiment of the present application provides a film tearing machine, which cuts the protective film through a cutter and winds the cut protective film through two film rolls to separate the protective film from the product to be torn off. The protective film is wound on the film roll body and can be cleaned after a certain amount of protective film is wound. Moreover, the outer diameter of the film roll body can be adjusted. When the protective film is wound on the film roll body, the adhesive side of the protective film is made to face away from the film roll body in the early stage. When removing the protective film on the film roll body later, it is only necessary to reduce the outer diameter of the film roll body to pull the protective film out of the film roll body as a whole. Not only is the film tearing efficiency high, but the film removal is also extremely convenient.

[0084] It is understood that the products to be removed in the embodiments of the present application are not limited to batteries, but can also be other products with surface films that need to be removed, and this embodiment is not limited thereto. In the following embodiments, batteries are used as an example for ease of understanding.

[0085] See Figure 1 、 Figure 2 、 Figure 3 and Figure 11 As shown, this embodiment provides a film tearing machine, including a first bracket 200, a cutter 400, two film rollers 500 and a driving mechanism 700.

[0086] The first bracket 200 is provided with a film tearing channel 210, along which the product to be torn can move. The cutter 400 is provided on the film tearing channel 210 and cuts the protective film on the product to be torn that passes through the cutting position of the cutter 400, that is, the cutter 400 cuts the protective film on the product to be torn along the extension direction of the film tearing channel 210. The film roll 500 includes a film roll body 530. The film roll bodies 530 corresponding to the two film rolls 500 are respectively provided on both sides of the film tearing channel 210. The two film roll bodies 530 are respectively connected to the first film body and the second film body formed after cutting by the cutter 400. After the first film body and the second film body are connected to the film roll body 530, the driving mechanism 700 drives the two film roll bodies 530 to rotate in opposite directions, so that the first film body and the second film body are respectively wound around the two film roll bodies 530, thereby tearing off the protective film on the surface of the product to be torn.

[0087] Specifically, when tearing the film, the battery is first pushed along the film tearing channel 210 by mechanical components or manually, so that the front end of the battery passes the cutting position of the cutter 400, and the front end of the battery to be removed reaches the front of the outlet side of the cutter 400. At this time, the cutter 400 cuts the protective film located at the front of the battery and passing the cutting position of the cutter 400 along the axial direction of the battery, so that the protective film at the front of the battery is divided into a first film body and a second film body, while the protective film at the rear of the battery that has not passed the cutting position of the cutter 400 is still integrated. The first film body and the second film body at the front of the battery are manually pulled apart and connected to the two roll film bodies 530 respectively, and then the driving mechanism 700 is started. The driving mechanism 700 drives the two roll film bodies 530 to rotate synchronously in opposite directions, pulling the first film body and the second film body to be wrapped around the roll film respectively. The first and second film bodies are glued to the battery with strong adhesion. Therefore, when the roll film body 530 is wound around the first and second film bodies, a forward pulling force is applied to the battery from both sides of the battery, so that the battery automatically moves along the film tearing channel 210 until all pass through the cutting position of the cutter 400, and all the first and second film bodies are correspondingly wound on the two roll film bodies 530. During the film tearing process, the speed of film tearing is completely matched with the moving speed of the battery, and the film tearing efficiency is high. There is no need to set up additional devices to assist the movement of the battery, which helps to reduce the complexity of the structure. Moreover, a certain number of protective films can be wound around the roll film body 530 and then cleaned uniformly. The cleaning of the protective film is also more convenient. In addition, directly pulling the battery to move through the protective film also helps to reduce the probability of battery damage.

[0088] In addition, in actual application, please refer to Figure 9 and Figure 10As shown, a base 100 and a panel 300 may also be provided, and the panel 300 is covered at a corresponding position of the base 100 so that the first bracket 200, the film roll 500 and other components are supported by the base 100, which facilitates the installation of the components.

[0089] Of course, the first bracket 200 may also be directly used as a basis for supporting and installing all components, which is not limited in this embodiment.

[0090] For some possible implementations, see Figure 4 、 Figure 5 and Figure 6 As shown, a support rod 220 is provided on each opposite side of the film tearing channel 210, and a channel for the product to be torn off to pass through is provided between the two support rods 220, wherein the support rod 220 is located in front of the outlet of the cutter 400, and the film roll body 530 is located on the rear side of the support rod 220, and the first film body and the second film body are connected to the film roll body 530 respectively by bypassing the support rod 220.

[0091] It can be understood that the front side and the rear side here are both defined according to the moving direction of the battery, the side facing the moving direction of the battery is the front side, and the side facing the opposite direction of the moving direction of the battery is the rear side.

[0092] After the cutter 400 cuts the protective film, the first film body and the second film body are manually pulled to pass around the corresponding support rod 220, guided by the support rod 220, and then connected to the corresponding roll film body 530. At this time, the angle between the first film body or the second film body between the support rod 220 and the roll film body 530 and the extension direction of the film tearing channel 210 is less than 90°, thereby maintaining the dynamic balance of the battery during the film tearing process.

[0093] Specifically, forming a demolding angle less than 90° has at least the following advantages:

[0094] 1. When the film is removed, the battery surface will not be deformed or bent due to unbalanced tension;

[0095] 2. Tear off the film on both sides of the battery at the same time, and there will be no bulging in the middle due to strong adhesive;

[0096] 3. While tearing the film, the battery will be pulled forward automatically by the reaction force relative to the tearing angle less than 90°, without the need for an additional driving structure, reducing the complexity of the structure.

[0097] Furthermore, two first adjustment components are provided on the first bracket 200, and the two first adjustment components are respectively arranged above and below the film tearing channel 210 to form a guide channel for the power core to pass through between the two first adjustment components. The outlet side of the guide channel is opposite to the inlet side of the cutter 400, that is, the first adjustment component and the second adjustment component are located on the rear side of the cutter 400.

[0098] Specifically, see Figure 8 As shown, the cutter 400 can be a laser cutter 400, which can be installed above the film tearing channel 210, so that the laser cutter 400 uses a blue non-penetrating laser of about 450nm to cut the protective film, so that the opening edge of the protective film is baked at a certain temperature, without burrs and fractures, so that the first film body and the second film body are not easily broken when pulled, which helps to improve the film tearing efficiency.

[0099] When the laser cutter 400 is cutting, the protective film needs to be within a certain height range. At this time, the height of the battery can be limited by the first adjustment component and the second adjustment component, thereby facilitating the cutter 400 to cut the protective film.

[0100] It is understandable that the cutter 400 may also be other devices, as long as it can cut the protective film without damaging the battery, and this embodiment does not limit it.

[0101] Among them, the first adjustment component includes an adjustment frame 230, a connecting part and at least one third bearing 231. The connecting part is connected to the adjustment frame 230, and the third bearing 231 is rotatably connected to the connecting part. The third bearings 231 of the two first adjustment components are in rolling contact with the top and bottom of the product to be torn off, respectively, thereby supporting the battery while reducing the resistance encountered by the battery when passing through, and also avoiding scratching the battery.

[0102] For example, two third bearings 231 may be provided on each connecting component, and the two third bearings 231 are arranged side by side in a front-to-back relationship to better limit the position of the battery.

[0103] It can be understood that the number of third bearings 231 can be selected according to actual conditions, such as 4, 5 or more. They can all be arranged on the same straight line or staggered. As long as the position of the battery can be restricted and the battery can be supported, this embodiment does not limit it here.

[0104] Further, see Figure 7 As shown, the connecting component includes a connecting plate 232, a positioning rod 233, two gap adjustment blocks 234 and a first positioning bolt.

[0105] At least one first strip hole is correspondingly provided on the opposite sides of the adjustment frame 230, and the first strip hole extends along the height direction of the first bracket 200. The two gap adjustment blocks 234 are respectively located on the opposite sides of the adjustment frame 230, and the first positioning bolt can be inserted at different positions in the first strip hole to fix the gap adjustment block 234 at different positions of the adjustment frame 230 through the first positioning bolt; the two ends of the positioning rod 233 are respectively connected to the two gap adjustment blocks 234, and the connecting plate 232 is installed on the positioning rod 233. The third bearing 231 is connected to the connecting plate 232 toward the side of the product to be torn off, and the third bearing 231 can be directly rotatably connected to the connecting plate 232 through the rotating shaft.

[0106] Among them, one or more first strip holes can be set on each adjustment frame 230, and the specific selection can be based on the size of the gap adjustment block 234. As long as the gap adjustment block 234 can be effectively fixed, this embodiment does not limit it here.

[0107] During use, the position of the first positioning bolt is adjusted accordingly according to the specifications of the battery, thereby changing the position of the gap adjustment block 234. The positions of the positioning rod 233 and the connecting plate 232 supported by the gap adjustment block 234 also change accordingly, so that they can adapt to the size of the battery and limit the height of the battery to a suitable position.

[0108] In order to make the position of the support rod 220 also adapt to the size of the battery, at least one second adjustment component is further provided on the first bracket 200, and the second adjustment component is used to adjust the distance between the two support rods 220 to adapt it to the size of the battery.

[0109] Specifically, if Figure 4 As shown, two second adjustment components are provided, and the second adjustment components include a fixed plate 222 and two mounting plates 221. The two fixed plates 222 are respectively connected to the two adjustment frames 230, that is, one fixed plate 222 is located at the upper end of the support rod 220, and the other fixed plate 222 is located at the lower end of the support rod 220, and the fixed plate 222 is directly supported by the adjustment frame 230.

[0110] A second strip hole 223 is provided on the mounting plate 221 or the fixing plate 222, and the second strip hole 223 extends along the width direction of the film tearing channel 210. The mounting plate 221 is fixed to the fixing plate 222 by a second positioning bolt, and the second positioning bolt can be inserted at different positions of the second strip hole 223 to fix the mounting plate 221 at different positions of the fixing plate 222. The two ends of the two support rods 220 are respectively connected to the mounting plates 221, and the upper and lower ends of each support rod 220 are connected to a mounting plate 221, and are limited and supported by the mounting plate 221.

[0111] For example, two second strip-shaped holes 223 can be provided on each mounting plate 221, with the two second strip-shaped holes 223 being located on either side of the support rod 220, thereby securing the mounting plate 221 from both sides. Corresponding mounting holes are provided on the fixing plate 222, with second positioning bolts connecting the strip-shaped holes and the corresponding mounting holes. When the position of the support rod 220 needs to be adjusted, the mounting plate 221 is simply moved, and the position of the second positioning bolt within the second strip-shaped hole 223 is adjusted. After the second bolts tighten the mounting plate 221 and the fixing plate 222, the mounting plate 221 can be secured to different positions on the fixing plate 222, thereby adjusting the position of the support rod 220 and changing the distance between the two support rods 220 accordingly.

[0112] In addition, the support rod 220 can be rotatably connected to the mounting plate 221 via the first bearing 224 , which helps to further reduce the resistance to film tearing.

[0113] It is understandable that the second adjustment component can also be other structures, such as a slide rail and a slider, etc., as long as the position of the support rod 220 can be adjusted and the support rod 220 will not automatically shift during use. This embodiment does not limit it here.

[0114] For some possible implementations, see Figure 11 As shown, the film roll 500 further includes an upper cover 510, a lower cover 520 and a third adjustment assembly.

[0115] The film roll 530 includes a first film roll 531 and a second film roll 532 that cooperate with each other. The first film roll 531 and the second film roll 532 together form a reel for winding the protective film. Both the first film roll 531 and the second film roll 532 are located between the upper cover 510 and the lower cover 520, and at least one of the first film roll 531 and the second film roll 532 has two ends rotatably connected to the upper cover 510 and the lower cover 520, respectively. A third adjustment assembly is at least partially located between the first film roll 531 and the second film roll 532. The third adjustment assembly is configured to drive the first film roll 531 and / or the second film roll 532 to rotate relative to the upper cover 510 and the lower cover 520, thereby increasing or decreasing the outer diameter of the film roll 530. The drive assembly can be connected to the upper cover 510 or the lower cover 520 to drive the rotation of the film roll 530, which is mounted between the upper cover 510 and the lower cover 520.

[0116] Illustratively, at least one connecting shaft 5311 is eccentrically provided on the first roll film body 531 , and the first roll film body 531 is rotatably connected to the upper cover 510 and the lower cover 520 via the connecting shaft 5311 , and both ends of the second roll film body 532 are fixedly connected to the upper cover 510 and the lower cover 520 respectively.

[0117] That is, both the first film roll 531 and the second film roll 532 are semicircular in shape, and a connecting shaft 5311 is provided at one end of the first film roll 531 near the second film roll 532. The connecting shaft 5311 is not located in the middle of the first film roll 531, but is located at different distances from the two ends of the first film roll 531. The connecting shaft 5311 can be provided as two or one. When provided as two, the two connecting shafts 5311 are located on the same axis and are connected to the top and bottom of the first film roll 531, respectively. When provided as one, the connecting shaft 5311 directly passes through the first film roll 531 and can be connected to the first film roll 531 by means of a key connection or the like.

[0118] In addition, the connecting shaft 5311 needs to be rotatably connected to the upper cover 510 and the lower cover 520 , so the connecting shaft 5311 can be rotatably connected to the upper cover 510 and the lower cover 520 through the fourth bearing 572 .

[0119] Among them, the top and bottom of the second roll film body 532 can be connected to the upper cover 510 and the lower cover 520 respectively through bolts, and the upper cover 510, the lower cover 520 and the second roll film body 532 can also be assisted in positioning by a pin shaft. Of course, the second roll film body 532 can also be connected to the upper cover 510 and the lower cover 520 in other ways, which is not limited in this embodiment.

[0120] When the protective film needs to be wrapped around the roll film body 530, the third adjusting component drives the first roll film body 531 to rotate so that the outer diameter of the roll film body 530 reaches the maximum, and then the protective film is wrapped around the roll film body 530. When wrapping, the adhesive side of the protective film is facing away from the roll film body 530. When the protective film on the roll film body 530 needs to be removed, the first roll film body 531 is driven to rotate by the third adjusting component so that the outer diameter of the first roll film body 531 becomes the minimum. At this time, the protective film wrapped around the roll film body 530 is loosened from the roll film body 530, and the protective film can be directly pulled upwards and the entire protective film can be directly pulled out from the top of the roll film body 530, thereby quickly separating the roll film body 530 from the protective film.

[0121] In addition, in order to fix the first and second membrane bodies during operation, please refer to Figure 12 、 Figure 13 and Figure 14 As shown, among the surfaces of the first roll film body 531 and the second roll film body 532 that are close to each other, at least one of them is provided with a positioning portion 5313 close to the connecting shaft 5311, and the positioning portion 5313 is configured to press the end of the first film body or the second film body between the first roll film body 531 and the second roll film body 532 when the outer diameter of the roll film body 530 becomes larger.

[0122] Taking the example of setting the positioning portion 5313 on the first roll film body 531, the positioning portion 5313 is set on the end surface where the first roll film body 531 and the second roll film body 532 are in contact, and the end surface of the first roll film body 531 is divided into two surfaces with different widths with the connecting axis 5311 as the boundary. The positioning portion 5313 is located on the surface with smaller width and is set on the side of the surface with smaller width away from the connecting axis 5311.

[0123] The positioning portion 5313 may include multiple positioning teeth. When the outer diameter of the film roll 530 increases, the positioning portion 5313 rotates toward the end face of the second film roll 532, thereby clamping the protective film between the positioning portion 5313 and the end face of the second film roll 532, thereby automatically securing the protective film. When removing the protective film, the positioning portion 5313 rotates in the opposite direction, loosening the protective film's position and allowing it to be removed smoothly.

[0124] It can be understood that the positioning portion 5313 can be set in an area on the side of the first roll film body 531. Of course, the positioning portion 5313 can also be set at the corresponding positions of the first roll film body 531 and the second roll film body 532 at the same time. It is just that setting it on one of them can fix the protective film. If both are set, the processing difficulty will increase accordingly.

[0125] In addition, in order to facilitate the removal of the protective film or to insert the protective film between the first film roll body 531 and the second film roll body 532 , an escape groove 511 corresponding to the positioning portion 5313 may be further provided on the upper cover 510 .

[0126] When connecting the protective film and the roll film body 530, the protective film can be directly inserted between the first roll film body 531 and the second roll film body 532 from the avoidance groove 511, or it can be inserted from the side. A convenient method can be selected. When separating the protective film and the roll film body 530, the adhesive side of the protective film can face the positioning teeth, so that when the protective film is pulled toward the upper cover 510, the protective film between the positioning part 5313 and the second roll film body 532 can be pulled out directly from the avoidance groove 511.

[0127] Further, see Figure 11 and Figure 16 As shown, the third adjustment assembly includes an adjustment block 533 , an adjustment rod 535 and an elastic member 536 .

[0128] At least one of the first roll film body 531 and the second roll film body 532 is provided with a first mounting groove 5323 for inserting the adjustment block 533 on a side close to each other. The opening side of the first mounting groove 5323 is flush with the end surface of the first roll film body 531 or the second roll film body 532, so that the adjustment block 533 can correspondingly drive the first roll film body 531 to rotate. One end of the adjustment rod 535 is connected to the adjustment block 533, and the other end extends to the outside of the upper cover 510. The adjustment rod 535 is rotatably connected to the first roll film body 531 or the second roll film body 532. The length and width of the adjustment block 533 are different. When 535 drives the adjustment block 533 to rotate, the adjustment block 533 contacts the first roll film body 531 and drives the first roll film body 531 to rotate relative to the connecting shaft 5311, thereby increasing or decreasing the outer diameter of the roll film body 530; the elastic member 536 is respectively connected to the first roll film body 531 and the second roll film body 532, and the elastic member 536 is located between the connecting shaft 5311 and the positioning portion 5313. When the adjustment block 533 is located in a position that reduces the outer diameter of the roll film body 530, the elastic member 536 can drive the first roll film body 531 to rotate so that the positioning portion 5313 loosens the first film body or the second film body.

[0129] The elastic member 536 may be an opening and closing spring, or may be other structures, as long as it can drive the positioning portion to release the first membrane body or the second membrane body.

[0130] like Figure 15 As shown, the adjustment block 533 can be cam-shaped, with its length greater than its width. When its length direction is parallel to the surfaces opposite to the first roll film body 531 and the second roll film body 532, the outer diameter of the roll film body 530 is the smallest, and at this time the distance between the positioning portion 5313 and the surface of the second roll film body 532 is the largest. When it is rotated in the length direction to be perpendicular to the surface, the outer diameter of the roll film body 530 is the largest, and the distance between the positioning portion 5313 and the second roll film body 532 is the smallest.

[0131] It is understandable that the adjustment block 533 may also be in other shapes, as long as it can effectively drive the first film roll 531 to rotate so as to change the outer diameter of the film roll 530 .

[0132] For some possible implementations, see Figure 11 、 Figure 14 and Figure 17As shown, the third adjustment assembly also includes a protective plate 537. The first film roll 531 is provided with a second mounting slot 5312 for mounting the protective plate 537. The second mounting slot 5312 is opposite the first mounting slot 5323. The protective plate 537 can be mounted in the second mounting slot 5312 using fasteners such as bolts. For example, four countersunk holes are provided at each corner of the protective plate 537. Bolts are screwed into the bottom of the second mounting slot 5312 through these countersunk holes to secure the protective plate 537 in the second mounting slot 5312. The first mounting slot 5323 is provided on the second film roll 532. The protective plate 537 is configured to contact the adjustment block 533 to drive the first film roll 531 to rotate.

[0133] Of course, the length of the protection plate 537 can be the same as that of the first film roll 531 , or can be shorter than that of the first film roll 531 , as long as it can cover the area where the adjustment block 533 is located and contact the adjustment block 533 .

[0134] When the adjusting block 533 is rotated to change the outer diameter of the film roll 530 , the adjusting block 533 directly abuts against the protection plate 537 rather than directly contacting the first film roll 531 , thereby providing better protection for the first film roll 531 .

[0135] Furthermore, at least one second bearing 534 is installed on the adjusting block 533, the second bearing 534 is rotatably connected to the adjusting block 533, and the second bearing 534 at least partially extends outside the adjusting block 533. When the adjusting block 533 drives the first film roll 531 to rotate, the second bearing 534 is in rolling contact with the protective plate 537.

[0136] Specifically, if Figure 15 As shown, a corresponding mounting groove can be provided on the side where the adjustment block 533 contacts the protective plate 537, and the second bearing 534 can be installed in the corresponding mounting groove through the rotating shaft, so that the second bearing 534 and the adjustment block 533 are rotationally connected. At the same time, the second bearing 534 needs to partially extend to the outside of the adjustment block 533.

[0137] With this arrangement, during use, if the outer diameter of the roll film body 530 needs to be increased, the second bearing 534 contacts the protective plate 537 and pushes the protective plate 537 to move, thereby reducing the friction between the adjustment block 533 and the protective plate 537, reducing component wear, extending the service life of the components, and reducing the resistance to the rotation of the adjustment block 533.

[0138] Also, see Figure 18 As shown, the protection plate 537 is provided with an arc groove 5371 that coincides with the motion trajectory of the second bearing 534 , thereby limiting the motion trajectory of the second bearing 534 so that it can better push the second roll film body 532 to rotate.

[0139] To facilitate installation and replacement of the adjustment block 533, the second membrane roll body 532 includes a first connecting portion 5321 and a second connecting portion 5322 arranged in a vertical relationship. The bottom of the first connecting portion 5321 and the top of the second connecting portion 5322 are connected to each other via bolts, locating pins, and other components to form the first membrane roll body 531. A first mounting groove 5323 is correspondingly provided on each of the first and second connecting portions 5321, 5322. The first mounting grooves 5323 of the first and second connecting portions 5321, 5322 face each other and are located on the adjacent end surfaces of the first and second connecting portions 5321, 5322, and the two first mounting grooves 5323 are interconnected. A portion of the adjustment block 533 is located within the first mounting groove 5323 of the first connecting portion 5321, while the other portion is located within the first mounting groove 5323 of the second connecting portion 5322. The first connecting portion 5321 also includes a hole for the adjustment rod 535 to pass through. The adjustment rod 535 is rotatably connected to the hole to extend to the outside of the upper cover 510.

[0140] The adjusting rod 535 extends to one end outside the upper cover 510 and a handle 5351 can be installed so that the adjusting rod 535 can be rotated by holding the handle 5351, thereby driving the adjusting block 533 to rotate.

[0141] During assembly, the first connecting part 5321 and the second connecting part 5322 can be separated first, and then the adjusting block 533 can be placed in the two first mounting grooves 5323 respectively, and the adjusting rod 535 can pass through the corresponding hole on the adjusting block 533, and then be rotatably connected to the bottom of the first mounting groove 5323 on the second connecting part 5322 through the fifth bearing. On the one hand, it is convenient for installing and repairing the adjusting block 533, and on the other hand, it is also convenient for positioning the adjusting block 533 and limiting the adjusting block 533 in the two first mounting grooves 5323.

[0142] In some possible implementations, the film roll 500 further includes a transmission component 570 , a connecting rod 540 , a first one-way bearing 550 , and a second one-way bearing 560 .

[0143] The first one-way bearing 550 and the second one-way bearing 560 both include an inner ring and an outer ring. One end of the connecting rod 540 is fixedly connected to the lower cover 520 to drive the lower cover 520 and the film roll body 530 located on the lower cover 520 to rotate through the connecting rod 540. The other end of the connecting rod 540 passes through the inner rings of the first one-way bearing 550 and the second one-way bearing 560 in turn, and is rotatably connected to the machine base 100. Specifically, it can be rotatably connected to the machine base 100 through the sixth bearing.

[0144] The connecting rod 540 is key-connected to the inner rings of the first one-way bearing 550 and the second one-way bearing 560. The outer ring of the first one-way bearing 550 is key-connected to the first bearing sleeve 551. The first bearing sleeve 551 is fixedly connected to the machine base 100. The connecting rod 540 is doubly positioned by the sixth bearing and the first bearing sleeve 551, so that the connecting rod 540 will not deviate or tilt.

[0145] The outer ring of the second one-way bearing 560 is key-connected to the second bearing sleeve 561, the second bearing sleeve 561 is fixedly connected to the transmission component 570, and the transmission component 570 is transmission-connected to the driving mechanism 700 to drive the connecting rod 540 to rotate unidirectionally toward the film rolling direction through the second one-way bearing 560.

[0146] The inner rings of the first one-way bearing 550 and the second one-way bearing 560 can both rotate relative to the outer rings in a direction opposite to the film rolling direction.

[0147] Specifically, when the driving mechanism 700 drives the second bearing sleeve 561 to rotate in the direction of film rolling, the outer ring and the inner ring of the second one-way bearing 560 are stuck, so that the inner ring rotates synchronously with the outer ring, thereby driving the adjusting rod 535 and the film rolling body 530 to rotate in the direction of film rolling. When the driving mechanism 700 drives the second bearing sleeve 561 to rotate in the direction opposite to the film rolling direction, the outer ring and the inner ring of the second one-way bearing 560 rotate relative to each other, and the connecting rod 540 connected to the inner ring will not rotate with the second bearing sleeve 561, so that the film rolling body 530 can only rotate unidirectionally in the direction of film rolling under the drive of the driving mechanism 700.

[0148] In actual application, the first film body and the second film body are manually pulled up and fixed on the two roll film bodies 530, so that there is a height difference in the middle opening of the protective film on the battery. In order to balance the height difference of the openings on both sides and improve the balance of film tearing and the uniformity of the force on the battery, the rotation speed of the roll film body 530 on one side can be manually adjusted at this time. For example, the roll film body 530 on one side can be pulled and manually rotated in the opposite direction of the film rolling direction, even if the inner ring and the outer ring of the first one-way bearing 550 and the second one-way bearing 560 rotate relative to each other, so that there is a speed difference between the two roll film bodies 530 when driven by the driving mechanism 700, so as to gradually balance the middle opening of the protective film on the battery and make the tearing length of the two roll film bodies 530 consistent, thereby effectively improving the tearing efficiency and quality, and keeping the battery cell in the same state during the tearing process to avoid battery damage.

[0149] For some possible implementations, see Figure 19As shown, the driving mechanism 700 includes a motor 710 and two transmission shafts 720. The motor 710 is fixed on the machine base 100 and supported by the machine base 100. The two transmission shafts 720 are arranged side by side and are both rotatably connected to the machine base 100. A transmission gear 730 and a first sprocket 740 are coaxially arranged on the transmission shaft 720. The transmission gears 730 on the two transmission shafts 720 are meshed with each other. The motor 710 is in transmission connection with one transmission gear 730, as shown in FIG. Figure 19 In the embodiment, when the motor 710 is arranged horizontally, a bevel gear can be provided on the output shaft, and the bevel gear is engaged with the transmission gear 730 for transmission.

[0150] The transmission component 570 includes a second sprocket 573 and a lower bearing seat 571. The second bearing sleeve 561 is fixedly connected to the lower bearing seat 571. The second sprocket 573 is also fixedly connected to the lower bearing seat 571. Of course, a hole is also opened in the middle of the second bearing sleeve 561 for the connecting rod 540 to pass through. Of course, this hole is coaxially arranged with the first one-way bearing 550 and the second one-way bearing 560. The connecting rod 540 passes through this hole and connects to the fourth bearing 572. The first sprockets 740 on the two transmission shafts 720 are connected to the second sprockets 573 via chains, thereby driving the film winding bodies 530 of the two film winding devices 500 to rotate in opposite directions.

[0151] After the motor 710 is started, the drive gear 730 rotates, and the two drive gears 730 mesh with each other and can rotate in opposite directions, thereby causing the two first sprockets 740 to rotate in opposite directions. At this time, the first sprocket 740 will drive the two second sprockets 573 to rotate in opposite directions through the chain, thereby realizing the reverse rotation of the two film rolls 530.

[0152] For example, the linear speed of the motor 710 may be 2198 mm / min, thereby driving the film roll body 530 to rotate rapidly and tear the film quickly.

[0153] Of course, the driving mechanism 700 and the transmission component 570 may also be other structures, such as belt drive or full gear drive, etc., as long as the two film rolls 530 can rotate synchronously in opposite directions. This embodiment does not limit them here.

[0154] Further, see Figure 20 As shown, a third sprocket 750 and a mounting bracket 760 can also be provided. The mounting bracket 760 is fixedly connected to the machine base 100. The third sprocket 750 is fixedly connected to the mounting bracket 760. The third sprocket 750 is used to connect with the chain to change the direction of the chain to adapt to the arrangement position of the film roll body 530 and the driving mechanism 700.

[0155] The number and location of the third sprockets 750 can be adjusted according to actual conditions, and are not limited in this embodiment.

[0156] For some possible implementations, see Figure 1 As shown, the film tearing machine also includes a pushing mechanism 800, which is used to push the product to be torn along the film tearing channel 210 until the product to be torn at least partially passes through the outlet side of the cutter 400, thereby further improving the degree of automation of the battery cell film tearing and helping to improve the film tearing efficiency.

[0157] Specifically, see Figure 21 and Figure 22 As shown, the pushing mechanism 800 includes at least one pushing cylinder 810 and a pushing component 820. The pushing cylinder 810 extends along the length direction of the film tearing channel 210. The pushing component 820 is connected to the pushing cylinder 810. Under the drive of the pushing cylinder 810, the pushing component 820 pushes the product to be torn that is in contact with the pushing component 820 to move along the film tearing channel 210.

[0158] It is understandable that the pushing mechanism 800 may also be a telescopic electric cylinder, an oil cylinder or other structures, as long as it can push the battery to move, and this embodiment does not limit it.

[0159] In order to improve the use effect of the pushing mechanism 800, two pushing cylinders 810 are arranged side by side, and the pushing component 820 includes a slide 821 and a push plate 822. The slide 821 is connected to the two pushing cylinders 810, and the slide 821 is slidably connected to the first bracket 200. The push plate 822 is arranged on the side of the slide 821 facing the cutter 400. The push plate 822 is used to contact the film assembly to be torn. One end of the pushing cylinder 810 is fixedly connected to the first bracket 200, and the other end is connected to the slide 821 to drive the slide 821 to move along the length direction of the film tearing channel 210.

[0160] Specifically, the first bracket 200 includes two first support plates 250, which are arranged opposite each other to form a film tearing channel 210 between the two first support plates 250. Two push cylinders 810 are respectively connected to the two first support plates 250, driving the slide 821 from both sides. The slide 821 is slidably connected to the two first support plates 250. At the same time, a reinforcement plate 260 can be installed on the first support plates 250, and the reinforcement plate 260 is connected to the base 100 to enhance the supporting capacity of the first bracket 200.

[0161] Among them, for batteries whose positive or negative poles cannot bear force, an avoidance hole can be set on the push plate 822, so that the negative pole or the positive pole can be stuck in the avoidance hole, and the push plate 822 contacts the shoulder of the battery to push the battery to move, so as to protect the positive and negative poles of the battery.

[0162] For some possible implementations, see Figure 4 As shown, at least one first guide assembly is disposed within the film tearing channel 210. The first guide assembly is located between the push mechanism 800 and the cutter 400. The first guide assembly is configured to restrict the movement direction of the product to be torn off when the push mechanism 800 drives the product to be torn off. This allows the battery to move along a predetermined path, prevents the battery from deflecting during movement, and helps improve the efficiency of the battery film tearing.

[0163] Furthermore, the first guide assembly includes two first pulley groups, which are relatively arranged on both sides of the film tearing channel 210, for example, respectively fixed on two first support plates 250, and the first pulley group includes at least one first guide pulley 240, which is used to correspond to the rolling contact with the side of the product to be torn.

[0164] Exemplarily, the first pulley group includes a positioning plate and two first guide pulleys 240. The two first guide pulleys 240 are arranged on the positioning plate in a front-to-back relationship in the direction of battery movement. The positioning plate is fixedly connected to the first support plate 250. The first guide pulley 240 is rotatably connected to the positioning plate. The battery can only pass between the two first pulley groups and make rolling contact with the first guide pulley 240, thereby limiting the movement direction of the battery through the first guide pulley 240.

[0165] It is understandable that the number of first guide assemblies can be multiple and they can be arranged in sequence along the length direction of the film tearing channel 210 , and this embodiment does not limit this.

[0166] Of course, the first guide assembly may also be other structures as long as it can limit the moving direction of the battery, and this embodiment does not limit it here.

[0167] The battery that has completed film removal will leave the film removal channel 210 from between the two support rods 220. During film removal, the film may be removed from multiple batteries continuously, so the batteries that have completed film removal need to be stored. Figure 23 and Figure 24 As shown, the film tearing machine also includes a second bracket 600, and the second bracket 600 is provided with a placement slot 620 connected to the film tearing channel 210. The placement slot 620 is used to receive the products to be torn off that have left the first bracket 200 after the film tearing is completed. The staff can collect the batteries that have completed the film tearing in batches from the placement slot 620.

[0168] Furthermore, at least one second guide assembly 630 is disposed within the placement groove 620. The second guide assembly 630 includes at least two second pulley assemblies and at least one roller 632. The two second pulley assemblies are disposed oppositely on either side of the placement groove 620. That is, the placement groove 620 may include two oppositely disposed second support plates 610, forming the placement groove 620 between the two second support plates 610. The two second pulley assemblies are correspondingly disposed on the two second support plates 610. The second pulley assembly includes at least one second guide pulley 631, which is configured to roll in contact with the side of the product to be film-torn. The roller 632 is located at the bottom of the placement groove 620 and is configured to roll in contact with the bottom of the product to be film-torn.

[0169] It is understandable that the number of second guide assemblies 630 can be multiple and they can be arranged in sequence along the length direction of the placement slot 620 , and this embodiment does not limit this.

[0170] The placement slot 620 has a certain length. The battery cells that have completed film removal will enter the placement slot 620 under the push of the battery cells that are undergoing film removal. They will move along the placement slot 620 and be arranged in the placement slot 620 according to the order of film removal. As the batteries move along the extension direction of the placement slot 620, the second guide pulley 631 contacts the side of the battery to guide the battery, while the roller 632 at the bottom can reduce the frictional resistance between the battery and the bottom of the placement slot 620, reducing the thrust required to move the battery.

[0171] Finally, it should be noted that those skilled in the art will readily conceive of other embodiments of the present invention after considering the specification and practicing the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present invention that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. It is not limited to the precise structure described above and shown in the drawings, and various modifications and variations may be made without departing from the scope of this application. The scope of this application is limited solely by the appended claims.

Claims

1. A film tearing machine, characterized in that: include: A first bracket (200) is provided with a film tearing channel (210), and the product to be torn off can move along the film tearing channel (210); A cutter (400) is provided on the film-tearing channel (210), and the cutter (400) is configured to cut the protective film on the product to be torn along the extension direction of the film-tearing channel (210); Two film rolls (500), each comprising a film roll body (530), the two film roll bodies (530) being respectively arranged on both sides of the film tearing channel (210), and the two film roll bodies (530) being respectively connected to a first film body and a second film body formed after being cut by the cutter (400); The driving mechanism (700) is used to drive the two film rolls (530) to rotate in opposite directions, so that the first film and the second film are respectively wound on the two film rolls (530).

2. The film tearing machine according to claim 1, characterized in that: A support rod (220) is provided on each of the opposite sides of the film tearing channel (210), the support rod (220) is located in front of the outlet of the cutter (400), and the film roll body (530) is located on the rear side of the support rod (220), and the first film body and the second film body are connected to the film roll body (530) respectively by bypassing the support rod (220).

3. The film tearing machine according to claim 2, characterized in that: Two first adjustment components are also provided on the first bracket (200), and the two first adjustment components are respectively arranged above and below the film tearing channel (210) to form a guide channel for the power core to pass through between the two first adjustment components, and the outlet side of the guide channel is opposite to the inlet side of the cutter.

4. The film tearing machine according to claim 3, characterized in that: The first adjustment assembly includes an adjustment frame (230), a connecting component and at least one third bearing (231), wherein the connecting component is connected to the adjustment frame (230), and the third bearing (231) is rotatably connected to the connecting component. The third bearings (231) of the two first adjustment assemblies are in rolling contact with the top and bottom of the product to be torn off, respectively.

5. The film tearing machine according to claim 4, characterized in that: The connecting component includes a connecting plate (232), a positioning rod (233), two gap adjustment blocks (234) and a first positioning bolt. At least one first strip hole is correspondingly provided on two opposite sides of the adjustment frame (230). The first strip hole extends along the height direction of the first bracket (200). The two gap adjustment blocks (234) are respectively located on two opposite sides of the adjustment frame (230). The first positioning bolt can be inserted into different positions in the first strip hole to fix the gap adjustment blocks (234) at different positions of the adjustment frame (230) through the first positioning bolt. The two ends of the positioning rod (233) are respectively connected to the two gap adjustment blocks (234), the connecting plate (232) is installed on the positioning rod (233), and the third bearing (231) is connected to the connecting plate (232) toward the side of the product to be torn.

6. The film tearing machine according to claim 4, characterized in that: At least one second adjustment component is also provided on the first bracket (200), and the second adjustment component is used to adjust the distance between the two support rods (220).

7. The film tearing machine according to claim 6, characterized in that: Two second adjustment components are provided, and the second adjustment components include a fixing plate (222) and two mounting plates (221), and the two fixing plates (222) are respectively connected to the two adjustment frames (230); A second strip hole (223) is provided on the mounting plate (221) or the fixing plate (222), and the second strip hole (223) extends along the width direction of the film tearing channel (210). The mounting plate (221) is fixed to the fixing plate (222) by a second positioning bolt, and the second positioning bolt can be inserted at different positions of the second strip hole (223) to fix the mounting plate (221) at different positions of the fixing plate (222). The two ends of the two support rods (220) are respectively connected to the mounting plate (221).

8. The film tearing machine according to claim 7, characterized in that: The support rod (220) is rotatably connected to the mounting plate (221) via a first bearing (224).

9. The film tearing machine according to claim 1, characterized in that: The film roll device (500) further includes an upper cover (510), a lower cover (520) and a third adjustment component. The film roll body (530) includes a first film roll body (531) and a second film roll body (532) that cooperate with each other. The first film roll body (531) and the second film roll body (532) are both located between the upper cover (510) and the lower cover (520), and at least one of the first film roll body (531) and the second film roll body (532) has two ends that are rotatably connected to the upper cover (510) and the lower cover (520) respectively. The third adjustment component is at least partially located between the first roll film body (531) and the second roll film body (532), and the third adjustment component is configured to drive the first roll film body (531) and / or the second roll film body (532) to rotate relative to the upper cover (510) and the lower cover (520) so that the outer diameter of the roll film body (530) becomes larger or smaller.

10. The film tearing machine according to claim 9, characterized in that: At least one connecting shaft (5311) is eccentrically provided on the first roll film body (531), and the first roll film body (531) is rotatably connected to the upper cover (510) and the lower cover (520) via the connecting shaft (5311), and the two ends of the second roll film body (532) are fixedly connected to the upper cover (510) and the lower cover (520) respectively.

11. The film tearing machine according to claim 10, characterized in that: Among the surfaces of the first roll film body (531) and the second roll film body (532) that are close to each other, at least one of them is provided with a positioning portion (5313) close to the connecting shaft (5311), and the positioning portion (5313) is configured to press the end of the first roll film body or the second roll film body between the first roll film body (531) and the second roll film body (532) when the outer diameter of the roll film body (530) becomes larger.

12. The film tearing machine according to claim 11, characterized in that: The positioning portion (5313) includes a plurality of positioning teeth.

13. The film tearing machine according to claim 11, characterized in that: The upper cover (510) is provided with an avoidance groove (511) corresponding to the positioning portion (5313).

14. The film tearing machine according to claim 11, characterized in that: The third adjustment component includes an adjustment block (533), an adjustment rod (535) and an elastic member (536); at least one of the first film roll body (531) and the second film roll body (532) is provided with a first mounting groove (5323) for inserting the adjustment block (533) on a side close to each other; one end of the adjustment rod (535) is connected to the adjustment block (533) and the other end extends to the outside of the upper cover (510); the adjustment rod (535) is rotatably connected to the first film roll body (531) or the second film roll body (532); the length and width of the adjustment block (533) are different; the adjustment block (533) is configured to drive the first film roll body (531) to rotate relative to the connecting shaft (5311) when the adjustment rod (535) drives the adjustment block (533) to rotate; The elastic member (536) is connected to the first roll film body (531) and the second roll film body (532) respectively, and the elastic member (536) is located between the connecting shaft (5311) and the positioning portion (5313). The elastic member (536) is configured to drive the first roll film body (531) to rotate when the adjustment block (533) is located at a position that reduces the outer diameter of the roll film body (530), so that the positioning portion (5313) loosens the first film body or the second film body.

15. The film tearing machine according to claim 14, characterized in that: The third adjustment assembly further comprises a protection plate (537), and the first film roll body (531) is provided with a second mounting groove (5312) for mounting the protection plate (537); The first mounting groove (5323) is provided on the second film roll body (532), and the protection plate (537) is used to contact the adjustment block (533) to drive the first film roll body (531) to rotate.

16. The film tearing machine according to claim 15, characterized in that: At least one second bearing (534) is mounted on the adjusting block (533), the second bearing (534) is rotatably connected to the adjusting block (533), and the second bearing (534) at least partially extends outside the adjusting block (533), and the second bearing (534) is configured to roll in contact with the protective plate (537) when the adjusting block (533) drives the first film roll (531) to rotate.

17. The film tearing machine according to claim 16, characterized in that: The protection plate (537) is provided with an arc-shaped groove (5371) that coincides with the motion trajectory of the second bearing (534).

18. The film tearing machine according to claim 14, characterized in that: The second roll film body (532) includes a first connecting part (5321) and a second connecting part (5322) arranged in an upper and lower relationship, and the first mounting groove (5323) is correspondingly provided on the first connecting part (5321) and the second connecting part (5322), and a part of the adjustment block (533) is located in the first mounting groove (5323) of the first connecting part (5321), and the other part is located in the first mounting groove (5323) of the second connecting part (5322).

19. The film tearing machine according to claim 9, characterized in that: It also includes a machine base (100), and the film rolling device (500) further includes a transmission component (570), a connecting rod (540), a first one-way bearing (550) and a second one-way bearing (560); The first one-way bearing (550) and the second one-way bearing (560) each include an inner ring and an outer ring. One end of the connecting rod (540) is connected to the lower cover (510), and the other end passes through the inner rings of the first one-way bearing (550) and the second one-way bearing (560) in sequence, and is then rotatably connected to the machine base (100). The connecting rod (540) is key-connected to the inner rings of the first one-way bearing (550) and the second one-way bearing (560). The outer ring of the first one-way bearing (550) is key-connected to the first bearing sleeve (551), and the first bearing sleeve (551) is connected to the machine base (100). The outer ring of the second one-way bearing (560) is key-connected to the second bearing sleeve (561), and the second bearing sleeve (561) is connected to the transmission component (570). The transmission component (570) is configured to be in transmission connection with the driving mechanism (700) so as to drive the connecting rod (540) to rotate toward the film rolling direction through the second one-way bearing (560); The inner rings of the first one-way bearing (550) and the second one-way bearing (560) can both rotate relative to the outer ring in a direction opposite to the film rolling direction.

20. The film tearing machine according to claim 19, characterized in that: The driving mechanism (700) includes a motor (710) and two transmission shafts (720). The two transmission shafts (720) are arranged side by side and are both rotatably connected to the machine base (100). A transmission gear (730) and a first sprocket (740) are coaxially arranged on the transmission shaft (720). The transmission gears (730) on the two transmission shafts (720) are meshed with each other. The motor (710) is transmission-connected to one of the transmission gears (730). The transmission component (570) includes a second sprocket (573). The first sprockets (740) on the two transmission shafts (720) are connected to the second sprocket (573) via chains to drive the film rolling bodies (530) of the two film rolling devices (500) to rotate in opposite directions.

21. The film tearing machine according to any one of claims 1 to 20, characterized in that: It also includes a pushing mechanism (800), which is configured to push the film-tearable product to be moved along the film-tear channel (210) until the film-tearable product at least partially passes through the outlet side of the cutter (400).

22. The film tearing machine according to claim 21, characterized in that: The pushing mechanism (800) includes at least one pushing cylinder (810) and a pushing component (820), wherein the pushing component (820) is connected to the pushing cylinder (810), and the pushing component (820) is configured to push the product to be torn film in contact with the pushing component (820) to move along the film tearing channel (210) under the drive of the pushing cylinder (810).

23. The film tearing machine according to claim 22, characterized in that: Two pushing cylinders (810) are arranged side by side, and the pushing component (820) includes a slide (821) and a push plate (822). The slide (821) is connected to the two pushing cylinders (810), and the slide (821) is slidably connected to the first bracket (200). The push plate (822) is arranged on the side of the slide (821) facing the cutter (400), and the push plate (822) is used to contact the film assembly to be torn.

24. The film tearing machine according to claim 21, characterized in that: At least one first guide assembly is provided in the film tearing channel (210), and the first guide assembly is located between the pushing mechanism (800) and the cutter (400). The first guide assembly is configured to limit the moving direction of the product to be torn when the pushing mechanism (800) drives the product to be torn to move.

25. The film tearing machine according to claim 24, characterized in that: The first guide assembly includes two first pulley groups, which are relatively arranged on both sides of the film tearing channel (210). The first pulley group includes at least one first guide pulley (240), and the first guide pulley (240) is used to correspond to the side rolling contact of the product to be torn.

26. The film tearing machine according to claim 21, characterized in that: It also includes a second bracket (600), the second bracket (600) is provided with a placement groove (620) connected to the film tearing channel (210), and the placement groove (620) is used to receive the product to be torn off after the film tearing is completed and leaves the first bracket (200).

27. The film tearing machine according to claim 26, characterized in that: At least one second guide assembly (630) is provided in the placement groove (620), and the second guide assembly (630) includes at least two second pulley groups and at least one roller (632). The two second pulley groups are relatively arranged on both sides of the placement groove (620), and the second pulley group includes at least one second guide pulley (631). The second guide pulley (631) is used to roll in contact with the side of the product to be torn off. The roller (632) is located at the bottom of the placement groove (620), and the roller (632) is used to roll in contact with the bottom of the product to be torn off.

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