A packaging machine for producing rectangular polymer lithium batteries and its use method

Abstract

The present invention discloses a packaging machine for producing polymer lithium batteries with a rectangular structure and a method for using the same, comprising a support cabinet and a workbench connected to the top, a conveying mechanism is arranged on the surface of the support cabinet, a feeding mechanism is arranged at the corner of the top of the workbench and is located above the conveying mechanism, a feeding mechanism, an aluminum-plastic film covering mechanism and a packaging mechanism are arranged on the top of the workbench respectively, and the connection between the feeding mechanism, the aluminum-plastic film covering mechanism and the packaging mechanism is L-shaped, and the feeding mechanism is located above the conveying mechanism. The present invention relates to the field of lithium battery packaging technology. The packaging machine for producing polymer lithium batteries with a rectangular structure and a method for using the same solve the problem that when the aluminum-plastic composite film is bent, a person needs to manually hold the lithium battery wrapped in the aluminum-plastic composite film and extend it into the folding mechanism and the folding mechanism, which may cause harm to the fingers of the person, and the problem that the flatness of the aluminum-plastic composite film after bending cannot be ensured by manual operation, and wrinkles are easy to appear.

Description

Technical Field

[0001] The present invention relates to the technical field of lithium battery packaging, and in particular to a packaging machine for producing rectangular polymer lithium batteries and a method for using the same. Background Art

[0002] The outside of the polymer lithium battery is wrapped with an aluminum-plastic composite film. During the battery production process, the aluminum-plastic composite film is tightly wrapped around the outside of the battery, and the aluminum-plastic composite film wrapped around the outside of the battery is folded according to the shape of the battery to ensure its beauty while ensuring that it will not separate from the wrapped battery. However, the existing rectangular polymer lithium batteries have the following difficulties in production: a. The aluminum-plastic composite film wrapped on the battery needs to be folded manually, and the manual folding speed is slow and the work efficiency is low; b. The effect of manual folding of the aluminum-plastic composite film wrapped on the battery is poor, and the aluminum-plastic composite film is easily fallen off, affecting the service life of the battery. Therefore, patent application number CN201910619287.9 ​​is specifically a packaging machine for the production of rectangular polymer lithium batteries and its use method. Its structure solves the following difficulties in the production of existing rectangular polymer lithium batteries: a. The aluminum-plastic composite film wrapped on the battery needs to be folded manually, and the manual folding speed is slow and the work efficiency is low; b. The effect of manual folding of the aluminum-plastic composite film wrapped on the battery is poor, and the aluminum-plastic composite film is easily fallen off, affecting the service life of the battery.

[0003] However, although the above-mentioned patent No. CN201910619287.9 ​​completes the automatic bending of the aluminum-plastic composite film, it still requires manual labor to hold the lithium battery wrapped in the aluminum-plastic composite film and insert it into the folding mechanism and the folding mechanism when the aluminum-plastic composite film is bent, which may cause harm to manual fingers, and manual operation cannot guarantee the flatness of the aluminum-plastic composite film after bending, and wrinkles are prone to occur. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a packaging machine for the production of rectangular polymer lithium batteries and a method of using the same, which solves the problem that when the aluminum-plastic composite film is bent, it is necessary to manually hold the lithium battery wrapped in the aluminum-plastic composite film and insert it into the folding mechanism and the folding mechanism, which may cause harm to human fingers, and the problem that manual operation cannot ensure the flatness of the aluminum-plastic composite film after bending, and wrinkles are easily present.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a rectangular structure polymer lithium battery production packaging machine, including a support cabinet and a workbench connected to the top, the surface of the support cabinet is provided with a conveying mechanism, the corner of the top of the workbench is provided with a loading mechanism, and is located above the conveying mechanism, the top of the workbench is respectively provided with a feeding mechanism, an aluminum-plastic film covering mechanism and a packaging mechanism, and the connection between the feeding mechanism, the aluminum-plastic film covering mechanism and the packaging mechanism is L-shaped, and the feeding mechanism is located above the conveying mechanism.

[0008] The packaging mechanism includes a vertical plate fixedly connected to the top of the workbench, a second cylinder is fixedly sleeved in the middle of the top of the vertical plate, and the telescopic end of the second cylinder is fixedly connected to an extrusion plate, a third cylinder is fixedly sleeved on the side of the vertical plate, and the telescopic end of the third cylinder is fixedly connected to the side plate, a driving motor is fixedly sleeved at the four corners of the top of the vertical plate, a double-headed screw is fixedly connected to the output end of the driving motor, and a bending plate is threadedly sleeved on the surface of the double-headed screw, the inner side of the vertical plate on one side is fixedly connected to a limiting plate and is flush with the upper side plate, and the inner side of the vertical plate on the other side is fixedly connected to a fourth cylinder through a sleeve plate, and the telescopic end of the fourth cylinder is fixedly connected to the top plate.

[0009] The vertical plate on the other side passes through the top of the workbench and extends into the inner cavity of the supporting cabinet. The telescopic end of the fourth cylinder passes through the bottom of the workbench. The bottom of the double-headed screw is rotatably sleeved on the top of the workbench, and the top plate is flush with the workbench and the bending plate below is flush with the top of the workbench.

[0010] Preferably, the conveying mechanism includes a roller rotatably sleeved on the surface of the workbench, the surface of the roller is movably sleeved with a conveyor belt and is flush with the top of the workbench, one end of the roller is fixedly connected to a drive motor, and the drive motor is fixedly connected to the side of the workbench.

[0011] Preferably, the feeding mechanism includes a first connecting block fixedly connected to the top of the workbench, the top of the first connecting block is fixedly connected to a frame plate, the side of the frame plate is rotatably connected to an outer cover, and the outer cover and the opposite side of the frame plate are symmetrically fixedly connected to magnetic strips.

[0012] Preferably, the feeding mechanism includes a slide rail fixedly connected to the top of the workbench, a first cylinder and a feed plate, the telescopic end of the first cylinder is fixedly connected to a push plate via a connecting plate, the push plate is slidably sleeved on the surface of the slide rail, and an infrared sensor is fixedly sleeved on the surface of the push plate, and the edge of the surface of the feed plate fits with the bottom of the push plate.

[0013] Preferably, the aluminum-plastic film covering mechanism includes a base plate and a model plate fixedly connected to the top of the workbench, an aluminum-plastic composite film is arranged between the model plate and the base plate, the top of the model plate is rotatably connected to a limiting cover, the top of the model plate is respectively fixedly connected to a rotating block and a servo motor, the inner cavity of the rotating block is rotatably sleeved with a screw, one end of the screw and the output end of the servo motor are fixedly sleeved with a bevel gear, and the surface of the screw is threadedly sleeved with a push block.

[0014] Preferably, the model plate is located above the bottom plate, the bevel gears are meshed and connected with each other, one end of the limit cover is against the top of the bottom plate, and the inner wall is in contact with the surface of the aluminum-plastic composite film.

[0015] Preferably, the push block is in contact with the surface of the model plate and the top of the bottom plate, and the push block abuts against one end of the aluminum-plastic composite film.

[0016] The present invention also discloses a method for using a rectangular structure polymer lithium battery production packaging machine, comprising the following steps:

[0017] S1, loading work, first open the outer cover, put the lithium batteries to be packaged into the inner cavity of the frame in sequence, the lithium battery at the bottom will fall on the surface of the conveying mechanism, and then close the outer cover through the magnetic strip to complete the loading;

[0018] S2, conveying work, start the conveying mechanism, so that the conveying mechanism drives the first lithium battery to be conveyed, when the first lithium battery moves, the lithium batteries on it will fall on the conveying mechanism in turn for conveying, and then the lithium battery is conveyed to the feeding mechanism;

[0019] S3, feeding work, when the lithium battery is transported to the push plate, the first cylinder is started through the induction of the infrared sensor and the push plate is driven to move through the second connecting plate, so that the push plate drives the lithium battery into the inner cavity of the feed plate and slides into the aluminum-plastic film covering mechanism;

[0020] S4, plastic composite film covering work, first insert the aluminum-plastic composite film shaped into an L shape between the model plate and the bottom plate, and then cover the limit cover, then the lithium battery will slide directly onto the aluminum-plastic composite film, start the servo motor and drive the bevel gear to engage and connect, so that the screw rod drives the push block to push the aluminum-plastic composite film and the lithium battery to move together on the bottom plate surface and enter the packaging mechanism;

[0021] S5, packaging work, when the aluminum-plastic composite film and lithium battery enter the packaging mechanism, start the fourth cylinder and drive the top plate to move upward, bend one side of the aluminum-plastic composite film upward along with the side of the lithium battery, then start the third cylinder and the telescopic end of the third cylinder drives the side plate to move inward, flatly bend both sides of the left and right aluminum-plastic composite films, and make them fit on the surface of the lithium battery, finally start the driving motor and drive the double-headed screws on both sides to rotate, so that the bending plates on the surface of the double-headed screws relatively squeeze the front and back sides of the aluminum-plastic composite film, so that it is folded and fit on the side of the lithium battery, thereby automatically completing the folding and folding packaging of the aluminum-plastic composite film, then start the second cylinder and drive the extrusion plate to move downward, squeeze the lithium battery to press the bent aluminum-plastic composite film, so that it is not easy to spread out, and finally take out the packaged lithium battery.

[0022] Beneficial Effects

[0023] The present invention provides a rectangular structure polymer lithium battery production packaging machine and a method of using the same. Compared with the prior art, it has the following beneficial effects:

[0024] 1. The rectangular structure polymer lithium battery production packaging machine and its use method start the fourth cylinder and drive the top plate to move upward, so that one side of the aluminum-plastic composite film is bent upward along with the side of the lithium battery, and then the third cylinder is started and the telescopic end of the third cylinder drives the side plate to move inward, so that the left and right sides of the aluminum-plastic composite film are flatly bent and made to fit on the surface of the lithium battery, and finally the driving motor is started and the double-headed screws on both sides are driven to rotate, so that the bending plates on the surface of the double-headed screws relatively squeeze the front and back sides of the aluminum-plastic composite film, so that it is folded and fit on the side of the lithium battery, thereby automatically completing the packaging of the aluminum-plastic composite film folding and folding, and solving the problem of manual operation causing harm to manual fingers, and because the bending is completed vertically, the overall aluminum-plastic composite film will be relatively flat and will not have wrinkles;

[0025] 2. The rectangular structure polymer lithium battery production packaging machine and its use method start the second cylinder and drive the extrusion plate to move downward, squeeze the lithium battery to compress the bent aluminum-plastic composite film, so that it is not easy to spread;

[0026] 3. The rectangular structure polymer lithium battery production packaging machine and its use method are as follows: before the lithium battery slides into the aluminum-plastic film covering mechanism, first open the limit cover, insert the aluminum-plastic composite film formed into an L shape between the model plate and the bottom plate, and abut against the model plate and the push block, and then cover the limit cover, and make the limit cover abut against the aluminum-plastic composite film for limiting, and then after the lithium battery slides out of the feeding mechanism, it will directly enter the aluminum-plastic composite film, so that the lithium battery is located on the aluminum-plastic composite film, and no manual wrapping is required. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1It is a schematic diagram of the structure of the present invention;

[0028] Figure 2 This is a schematic diagram of the second conveying mechanism of the present invention;

[0029] Figure 3 It is a schematic diagram of the feeding mechanism of the structure of the present invention;

[0030] Figure 4 It is a schematic diagram of the feeding mechanism of the structure of the present invention;

[0031] Figure 5 This is a schematic diagram of the aluminum-plastic film covering mechanism of the present invention;

[0032] Figure 6 It is a first partial schematic diagram of the aluminum-plastic film covering mechanism of the present invention;

[0033] Figure 7 It is a second partial schematic diagram of the aluminum-plastic film covering mechanism of the present invention;

[0034] Figure 8 It is a schematic diagram of the structural packaging mechanism of the present invention.

[0035] In the figure: 1, support cabinet; 2, workbench; 4, conveying mechanism; 41, roller; 42, conveyor belt; 43, driving motor; 5, feeding mechanism; 51, frame plate; 52, first connecting block; 53, outer cover; 54, magnetic strip; 6, feeding mechanism; 61, push plate; 62, feeding plate; 64, second connecting plate; 65, first cylinder; 66, infrared sensor; 67, slide rail; 7, aluminum-plastic film covering mechanism; 71, bottom plate; 72. Model plate; 73. Aluminum-plastic composite film; 74. Push block; 75. Limit cover; 76. Screw; 77. Servo motor; 78. Bevel gear; Rotating block 79. Rotating block; 8. Packaging mechanism; 81. Vertical plate; 82. Second cylinder; 83. Extrusion plate; 84. Third cylinder; 85. Side plate; 86. Driving motor; 87. Double-headed screw; 88. Limit plate; 89. Fourth cylinder; 810. Top plate; 811. Bending plate. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] See also Figure 1The embodiment of the present invention provides a technical solution: a packaging machine for producing polymer lithium batteries with a rectangular structure, comprising a supporting cabinet 1 and a workbench 2 connected to the top, a conveying mechanism 4 is arranged on the surface of the supporting cabinet 1, a loading mechanism 5 is arranged at the corner of the top of the workbench 2 and is located above the conveying mechanism 4, a feeding mechanism 6, an aluminum-plastic film covering mechanism 7 and a packaging mechanism 8 are respectively arranged on the top of the workbench 2, and the connection between the feeding mechanism 6, the aluminum-plastic film covering mechanism 7 and the packaging mechanism 8 is L-shaped, and the feeding mechanism 6 is located above the conveying mechanism 4, wherein the inner cavity of the supporting cabinet 1 is provided with an air pump and a power module for connecting a cylinder and a motor, and the conveying mechanism 4, the loading mechanism 5, the feeding mechanism 6, the aluminum-plastic film covering mechanism 7 and the packaging mechanism 8 need to be automatically operated through a PLC program and a control panel to perform automatic limit movement according to the written program.

[0038] See also Figure 8 The packaging mechanism 8 includes a vertical plate 81 fixedly connected to the top of the workbench 2, a second cylinder 82 is fixedly sleeved in the middle of the top of the vertical plate 81, and the telescopic end of the second cylinder 82 is fixedly connected to the extrusion plate 83, a third cylinder 84 is fixedly sleeved on the side of the vertical plate 81, and the telescopic end of the third cylinder 84 is fixedly connected to the side plate 85, a driving motor 86 is fixedly sleeved at the four corners of the top of the vertical plate 81, and a double-headed screw 87 is fixedly connected to the output end of the driving motor 86, and the surface of the double-headed screw 87 is provided with opposite screw teeth, so that the bending plate 811 can be moved in relative or opposite directions when rotating, the surface of the double-headed screw 87 is threadedly sleeved with the bending plate 811, and the inner side of one side of the vertical plate 81 is fixedly connected with a limited position The inner side of the vertical plate 81 on the other side is fixedly connected to the fourth cylinder 89 through the sleeve plate, and the telescopic end of the fourth cylinder 89 is fixedly connected to the top plate 810. The vertical plate 81 on the other side passes through the top of the workbench 2 and extends into the inner cavity of the supporting cabinet 1. The telescopic end of the fourth cylinder 89 passes through the bottom of the workbench 2. The bottom of the double-headed screw 87 is rotatably sleeved on the top of the workbench 2, and the top plate 810 is flush with the workbench 2 and the bending plate 811 below is flush with the top of the workbench 2. The aluminum-plastic composite film 73 is automatically bent and packaged through the top plate 810, the side plate 85 and the bending plate 811, and the extrusion plate 83 realizes the extrusion of the lithium battery, so that the wrapped aluminum-plastic composite film 73 is compacted.

[0039] Furthermore, the bending plate 811 penetrates the model plate 72 located in the inner cavity of the packaging mechanism 8 so that the bending plate 811 is flush with the surface of the model plate 72 , and the top plate 810 is also sleeved on the surface of the model plate 72 and is flush with the surface of the model plate 72 .

[0040] See also Figure 1The conveying mechanism 4 includes a roller 41 rotatably sleeved on the surface of the workbench 2, a conveyor belt 42 is movably sleeved on the surface of the roller 41 and is flush with the top of the workbench 2, one end of the roller 41 is fixedly connected to a drive motor 43, and the drive motor 43 is fixedly connected to the side of the workbench 2, and the lithium battery is transported by rotating the conveyor belt 42.

[0041] See also Figure 3 The feeding mechanism 5 includes a first connecting block 52 fixedly connected to the top of the workbench 2, a frame plate 51 is fixedly connected to the top of the first connecting block 52, an outer cover 53 is rotatably connected to the side of the frame plate 51, and a magnetic strip 54 is symmetrically fixedly connected to the opposite side of the outer cover 53 and the frame plate 51.

[0042] See also Figure 4 The feeding mechanism 6 includes a slide rail 67 fixedly connected to the top of the workbench 2, a first cylinder 65 and a feeding plate 62, wherein the surface of the feeding plate 62 is flush with the surface of the conveyor belt 42, the telescopic end of the first cylinder 65 is fixedly connected to a push plate 61 through a connecting plate, the push plate 61 is slidably sleeved on the surface of the slide rail 67, and an infrared sensor 66 is fixedly sleeved on the surface of the push plate 61, the edge of the surface of the feeding plate 62 is in contact with the bottom of the push plate 61, the lithium battery is sensed by the infrared sensor 66, and the lithium battery is pushed into the aluminum-plastic film covering mechanism 7 by the push plate 61.

[0043] See also Figure 5-7The aluminum-plastic film covering mechanism 7 includes a bottom plate 71 and a model plate 72 fixedly connected to the top of the workbench 2, wherein one end of the bottom plate 71 extends into the inner cavity of the packaging mechanism 8, and an anti-skid layer is arranged on the surface of the bottom plate 71 located in the inner cavity of the packaging mechanism 8 to prevent the lithium battery and the aluminum-plastic composite film 73 from sliding when folding. The model plate 72 is located above the bottom plate 71, and an aluminum-plastic composite film 73 is arranged between the model plate 72 and the bottom plate 71. The top of the model plate 72 is rotatably connected to a limiting cover 75, one end of the limiting cover 75 is against the top of the bottom plate 71, and the inner wall is in contact with the surface of the aluminum-plastic composite film 73. The top of the model plate 72 is respectively fixedly connected to a rotating block 79 and a servo motor 77, and the inner cavity of the rotating block 79 is rotatably sleeved with a screw rod 76. One end of the screw rod 76 and the output end of the servo motor 77 are fixedly sleeved with a bevel gear 78, and the bevel gears 78 are meshed and connected with each other. A push block 74 is threadedly sleeved on the surface of the screw rod 76, and the push block 74 fits the surface of the model plate 72 and the top of the bottom plate 71, and the push block 74 is against one end of the aluminum-plastic composite film 73, and the aluminum-plastic composite film 73 is inserted between the model plate 72 and the bottom plate 71, and then the limit cover 75 is covered, and then the lithium battery will directly slide onto the aluminum-plastic composite film 73, so that the lithium battery is located on the surface of the aluminum-plastic composite film 73, and the servo motor 77 is started and drives the bevel gear 78 to mesh and connect, so that the screw rod 76 drives the push block 74 to push the aluminum-plastic composite film 73 and the lithium battery to move together on the surface of the bottom plate 71 and enter the packaging mechanism 8.

[0044] The embodiment of the present invention provides a technical solution: a method for using a packaging machine for producing rectangular polymer lithium batteries, comprising the following steps:

[0045] S1, loading work, first open the outer cover 53, reveal the notched frame plate 51, arrange the lithium batteries to be packaged in sequence and put them into the inner cavity of the frame plate 51, the lithium batteries at the bottom will fall on the surface of the conveying mechanism 4, and then through the attraction between the magnetic strips 54, the outer cover 53 is closed on the side of the support cabinet 1 to complete the loading;

[0046] S2, conveying work, start the driving motor 43 in the conveying mechanism 4, so that the output end of the driving motor 43 drives the roller 41 to rotate, so that the roller 41 drives the conveyor belt 42 to rotate, thereby driving the first lithium battery to be conveyed. After the first lithium battery moves, the lithium batteries on it will fall on the conveyor belt 42 in turn for conveying, and then the lithium batteries are conveyed to the feeding mechanism 6;

[0047] S3, feeding work, when the lithium battery is conveyed to the push plate 61, its infrared sensor 66 will sense the lithium battery, and control the conveying mechanism 4 to stop, and start the first cylinder 65, so that the telescopic end of the first cylinder 65 drives the push plate 61 to move on the surface of the slide rail 67 through the second connecting plate 64, so that the push plate 61 drives the lithium battery into the inner cavity of the feed plate 62, and then moves with the inner cavity of the feed plate 62 and slides into the aluminum-plastic film covering mechanism 7;

[0048] S4, plastic composite film covering work, before the lithium battery slides into the aluminum-plastic film covering mechanism 7, first open the limit cover 75, insert the aluminum-plastic composite film 73 shaped into an L shape between the model plate 72 and the bottom plate 71, and press against the model plate 72 and the push block 74, then cover the limit cover 75, and make the limit cover 75 press against the aluminum-plastic composite film 73 for limiting, then after the lithium battery slides out of the feeding mechanism 6, it will directly enter the aluminum-plastic composite film 73, so that the aluminum-plastic composite film 73 wraps the lithium battery, and then start the servo motor 77, so that the output end of the servo motor 77 drives the bevel gear 78 to engage and connect, so that the screw rod 76 rotates in the inner cavity of the rotating block 79, thereby driving the push block 74 on the surface to press against one side of the aluminum-plastic composite film 73, and along with the one side of the model plate 72 drives the aluminum-plastic composite film 73 and the lithium battery to move together on the surface of the bottom plate 71, and enter the packaging mechanism 8;

[0049] S4, packaging work, when the aluminum-plastic composite film 73 and the lithium battery enter the packaging mechanism 8, the side of the aluminum-plastic composite film 73 will contact the limiting plate 88 to limit the position of the aluminum-plastic composite film 73, and then start the fourth cylinder 89 first, so that the telescopic end of the fourth cylinder 89 drives the top plate 810 to move upward, and the aluminum-plastic composite film 73 is bent upward along with the side of the lithium battery, and then the top plate 810 is reset, and the left and right third cylinders 84 are started, so that the telescopic end of the left third cylinder 84 drives the side plate 85 to move inward, so that the aluminum-plastic composite film 73 that has been bent upward is flatly bent and fits on the surface of the lithium battery, and the right third cylinder 84 drives the side plate 85 to flatten one side of the bent aluminum-plastic composite film 73 along with the surface of the lithium battery, so that the left and right sides of the aluminum-plastic composite film 73 are flush The left and right side plates 85 are then reset, and the driving motor 86 is started to drive the double-headed screws 87 on both sides to rotate, so that the bending plates 811 on the surfaces of the double-headed screws 87 move relatively, thereby relatively squeezing the front and rear sides of the aluminum-plastic composite film 73 so that it is folded and fitted to the side of the lithium battery, thereby automatically completing the packaging of the aluminum-plastic composite film 73 by folding and folding. Then, the second cylinder 82 is started and the squeezing plate 83 is driven to move downward, and then squeezed on the lithium battery to compact the bent aluminum-plastic composite film 73 so that it is not easy to spread out. Then, the bending plate 811 is reset, and finally, the packaged lithium battery is taken out, thereby solving the problem of manual operation causing harm to artificial fingers. Moreover, since the bending is completed vertically, the overall aluminum-plastic composite film 73 will be relatively flat and will not have wrinkles.

[0050] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0051] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A packaging machine for producing rectangular polymer lithium batteries, comprising a support cabinet (1) and a workbench (2) connected to the top, characterized in that: The surface of the support cabinet (1) is provided with a conveying mechanism (4); a loading mechanism (5) is provided at a corner of the top of the workbench (2) and is located above the conveying mechanism (4); a feeding mechanism (6), an aluminum-plastic film covering mechanism (7) and a packaging mechanism (8) are respectively provided on the top of the workbench (2); the feeding mechanism (6), the aluminum-plastic film covering mechanism (7) and the packaging mechanism (8) are connected in an L shape; and the feeding mechanism (6) is located above the conveying mechanism (4); The packaging mechanism (8) comprises a vertical plate (81) fixedly connected to the top of the workbench (2); a second cylinder (82) is fixedly sleeved in the middle of the top of the vertical plate (81); a squeeze plate (83) is fixedly connected to the telescopic end of the second cylinder (82); a third cylinder (84) is fixedly sleeved on the side of the vertical plate (81); a side plate (85) is fixedly connected to the telescopic end of the third cylinder (84); and a driving motor (85) is fixedly sleeved at the four corners of the top of the vertical plate (81). The output end of the driving motor (86) is fixedly connected to a double-headed screw (87), and a bending plate (811) is threadedly sleeved on the surface of the double-headed screw (87); the inner side of the vertical plate (81) on one side is fixedly connected to a limiting plate (88) and is flush with the upper side plate (85); the inner side of the vertical plate (81) on the other side is fixedly connected to a fourth cylinder (89) via a sleeve plate, and the telescopic end of the fourth cylinder (89) is fixedly connected to a top plate (810); The vertical plate (81) on the other side passes through the top of the workbench (2) and extends into the inner cavity of the support cabinet (1); the telescopic end of the fourth cylinder (89) passes through the bottom of the workbench (2); the bottom of the double-headed screw (87) is rotatably sleeved on the top of the workbench (2); and the top plate (810) is flush with the workbench (2) and the bending plate (811) below is flush with the top of the workbench (2); The conveying mechanism (4) comprises a roller (41) rotatably sleeved on the surface of the workbench (2); a conveyor belt (42) is movably sleeved on the surface of the roller (41) and is flush with the top of the workbench (2); one end of the roller (41) is fixedly connected to a drive motor (43), and the drive motor (43) is fixedly connected to a side of the workbench (2); The feeding mechanism (5) comprises a first connecting block (52) fixedly connected to the top of the workbench (2); the top of the first connecting block (52) is fixedly connected to a frame plate (51); a side of the frame plate (51) is rotatably connected to an outer cover (53); and a magnetic strip (54) is symmetrically fixedly connected to a side opposite to the outer cover (53) and the frame plate (51); The feeding mechanism (6) comprises a slide rail (67) fixedly connected to the top of the workbench (2), a first cylinder (65) and a feeding plate (62); the telescopic end of the first cylinder (65) is fixedly connected to a push plate (61) via a connecting plate; the push plate (61) is slidably sleeved on the surface of the slide rail (67); an infrared sensor (66) is fixedly sleeved on the surface of the push plate (61); and the edge of the surface of the feeding plate (62) is in contact with the bottom of the push plate (61); The aluminum-plastic film covering mechanism (7) comprises a bottom plate (71) and a model plate (72) fixedly connected to the top of the workbench (2); an aluminum-plastic composite film (73) is arranged between the model plate (72) and the bottom plate (71); the top of the model plate (72) is rotatably connected to a limit cover (75); the top of the model plate (72) is respectively fixedly connected to a rotating block (79) and a servo motor (77); the inner cavity of the rotating block (79) is rotatably sleeved with a screw rod (76); one end of the screw rod (76) and the output end of the servo motor (77) are both fixedly sleeved with a bevel gear (78); and the surface of the screw rod (76) is threadedly sleeved with a push block (74).

2. A rectangular structure polymer lithium battery production packaging machine according to claim 1, characterized in that: The model plate (72) is located above the bottom plate (71), the bevel gears (78) are meshed and connected with each other, one end of the limit cover (75) is against the top of the bottom plate (71), and the inner wall is in contact with the surface of the aluminum-plastic composite film (73).

3. A rectangular structure polymer lithium battery production packaging machine according to claim 1, characterized in that: The push block (74) is in contact with the surface of the model plate (72) and the top of the bottom plate (71), and the push block (74) abuts against one end of the aluminum-plastic composite film (73).

4. A method for using a rectangular structure polymer lithium battery production packaging machine according to any one of claims 1 to 3, characterized in that: The following steps are involved: S1, loading work, first open the outer cover (53), arrange the lithium batteries to be packaged in sequence and put them into the inner cavity of the frame plate (51), the lithium battery at the bottom will fall on the surface of the conveying mechanism (4), and then close the outer cover (53) through the magnetic strip (54), and the loading is completed; S2, conveying work, starting the conveying mechanism (4), so that the conveying mechanism (4) drives the first lithium battery to be conveyed, and when the first lithium battery is moved, the lithium batteries above it will fall onto the conveying mechanism (4) in turn for conveying, and then the lithium batteries are conveyed to the feeding mechanism (6); S3, feeding operation, when the lithium battery is transported to the push plate (61), the first cylinder (65) is activated through the induction of the infrared sensor (66) and the push plate (61) is driven to move through the second connecting plate (64), so that the push plate (61) drives the lithium battery to enter the inner cavity of the feeding plate (62) and slide into the aluminum-plastic film covering mechanism (7); S4, plastic composite film covering work, first insert the aluminum-plastic composite film (73) formed into an L shape between the model plate (72) and the bottom plate (71), and then cover the limit cover (75), then the lithium battery will slide directly onto the aluminum-plastic composite film (73), start the servo motor (77) and drive the bevel gear (78) to engage and connect, so that the screw rod (76) drives the push block (74) to push the aluminum-plastic composite film (73) and the lithium battery to move together on the surface of the bottom plate (71) and enter the packaging mechanism (8); S5, packaging work, when the aluminum-plastic composite film (73) and the lithium battery enter the packaging mechanism (8), the fourth cylinder (89) is started to drive the top plate (810) to move upward, and the aluminum-plastic composite film (73) is bent upward along the side of the lithium battery, and then the third cylinder (84) is started and the telescopic end of the third cylinder (84) drives the side plate (85) to move inward, and the left and right sides of the aluminum-plastic composite film (73) are flatly bent and attached to the surface of the lithium battery, and finally the driving motor (86) is started. The double-ended screws (87) on both sides are driven to rotate, so that the bending plates (811) on the surfaces of the double-ended screws (87) relatively squeeze the front and rear sides of the aluminum-plastic composite film (73) so that it is folded and attached to the sides of the lithium battery, thereby automatically completing the packaging of the aluminum-plastic composite film (73) by folding the edges and folding in half. Then, the second cylinder (82) is started and the squeezing plate (83) is driven to move downward, squeezing the lithium battery to compress the bent aluminum-plastic composite film (73) so that it is not easy to spread out. Finally, the packaged lithium battery can be taken out.

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