A lithium battery packaging apparatus

Abstract

The present application relates to lithium battery packaging technical field, specifically to a kind of lithium battery packaging equipment, including machine body and reel movably arranged at the top of machine body, heat shrink film is arranged around the outer wall of reel, lithium battery body is arranged at the side of heat shrink film, it is characterized in that, the packaging equipment further includes: self-adapting distance control mechanism is arranged at the side of the top of machine body, reciprocating air control mechanism is movably connected with self-adapting distance control mechanism, loading mechanism is arranged at the side of self-adapting distance control mechanism, by the present application, air box can be self-adapting change according to the outer wall diameter of lithium battery body when blowing, to ensure that heat shrink film can be kept when heating heat source uniform and stable, and when hot air jet by air box blows to the outer wall of heat shrink film, by reciprocating motion of air box, airflow can form similar "extrusion" mode on the outer wall of heat shrink film, residual gas between heat shrink film and lithium battery body is extruded, prevent the generation of bulge.

Description

Technical Field

[0001] This invention relates to the field of lithium battery packaging technology, and more particularly to a lithium battery packaging device. Background Technology

[0002] In the lithium battery manufacturing industry, the metal casing of a single battery cell typically serves as the negative electrode for current. To prevent external short circuits caused by contact with the casing during assembly, transportation, and use, and to enhance its physical protection, an insulating film is commonly used for wrapping. Heat-shrink film is a popular choice due to its ease of use, low cost, and tight coverage. This heat-shrink film shrinks uniformly upon heating, adhering tightly to the cell casing, providing reliable insulation, scratch protection, and marking support—a fundamental element in ensuring the safety and stability of lithium batteries.

[0003] Lithium batteries come in various shapes, including rectangular ones, which are currently mostly used in electric vehicles. The current lithium battery packaging process is largely manual. The process involves first evenly wrapping a heat-shrink film around the battery, then heating the film with a hot air blower. The heated film shrinks, thus encapsulating the battery. However, manual packaging reduces efficiency. Users must control the hot air blower's angle and constantly change its position to ensure even coverage. This sacrifices some packaging efficiency. Improper heating can also cause bulges, and the shrink film hardens after shrinking, making these bulges difficult to remove, further complicating subsequent processing. Summary of the Invention

[0004] In view of this, the purpose of this invention is to provide a lithium battery packaging device to solve the technical problems of low efficiency and possible bulging caused by manual lithium battery packaging in the prior art.

[0005] To achieve the above objectives, the present invention provides a lithium battery packaging device, including a body and a spool movably disposed on the top of the body, a heat-shrinkable film surrounding the outer wall of the spool, and a lithium battery body disposed on one side of the heat-shrinkable film. The packaging device further includes:

[0006] An adaptive distance control mechanism is located on one side of the top of the machine body; a reciprocating air control mechanism is movably connected to the adaptive distance control mechanism; and a loading mechanism is located on one side of the adaptive distance control mechanism.

[0007] The adaptive distance control mechanism includes a bracket disposed on one side of the top of the outer wall of the machine body, a slider movably disposed on the inner wall of the bracket, a connecting rod connected to the outer wall of the slider, a pressure roller movably connected to one end of the connecting rod, and an air box movably disposed on one side of the bracket.

[0008] When the air box heats the heat-shrink film on the outer wall of the lithium battery body, the adaptive distance control mechanism can adjust the distance of the air box outlet according to the different diameters of the outer wall of the lithium battery body, so that the lithium battery body can be heated evenly at any angle, avoiding the heating point being too concentrated or too far away.

[0009] The slider is movably connected to the inner wall of the bracket;

[0010] A cavity is provided on one side of the outer wall of the air box.

[0011] Furthermore, the reciprocating air control mechanism includes a locking block movably disposed within the air box cavity. A second telescopic rod is connected to the outer wall of the locking block. One end of the second telescopic rod is connected to a connecting rod, and one end of the connecting rod is connected to a rotating block.

[0012] Furthermore, a telescopic rod is movably connected to the top and bottom of one side of the outer wall of the pressure roller, and a spring is arranged around the outer wall of the telescopic rod.

[0013] A side frame is movably connected to one side of the outer wall of the slider;

[0014] The air box is movably connected to the inner wall of the side frame;

[0015] A corrugated pipe is connected to one side of the outer wall of the air box, and one end of the corrugated pipe is connected to the hot air blower body.

[0016] Furthermore, a rotating rod is movably provided on the inner wall of the rotating block, and one end of the rotating rod is movably connected to a drive bevel gear;

[0017] A driven bevel gear is movably disposed at the bottom of the driving bevel gear, a bottom rod is movably disposed on the inner wall of the driven bevel gear, and a pulley is movably disposed at one end of the bottom rod;

[0018] The outer wall of the pulley is provided with a belt, and one end of the belt has a drive pulley;

[0019] The power wheel is movably connected to the outer wall of the rotating platform;

[0020] When the rotating platform rotates, the reciprocating air control mechanism drives the air box to move up and down. The hot airflow discharged by the air box during the up and down reciprocating motion can exert pressure on the outer wall of the heat shrink film, expelling some of the residual gas between the heat shrink film and the lithium battery body, thus preventing bulging.

[0021] Furthermore, the bracket is fixedly installed, and the inner wall of the bracket is provided with a sliding groove;

[0022] The slider is adapted to the groove of the bracket.

[0023] Furthermore, the loading mechanism includes a motor body disposed on one side of the bottom of the outer wall of the machine body, the output end of the motor body is movably connected to a rotating placement platform, a movable clamping rod is movably disposed on the top of the rotating placement platform, and a lifting rod is disposed on the outer wall of the movable clamping rod.

[0024] Furthermore, the cavity of the air box is T-shaped, and the diameter of the locking block and the second telescopic rod is adapted to the diameter of the air box cavity.

[0025] Furthermore, each of the pressure rollers is movably connected to one end of a spring and a connecting rod;

[0026] The other end of the spring is fixedly connected to the outer wall of the bracket;

[0027] The other end of the connecting rod is connected to the outer wall of the slider.

[0028] Furthermore, a housing is provided on the top of the machine body, and one end of the movable clamping rod passes through the housing on the top of the machine body and is movably connected to the housing on the top of the machine body.

[0029] Furthermore, one end of the second telescopic rod is connected to the outer wall of the locking block, and the other end of the second telescopic rod is movably connected to one end of the connecting rod.

[0030] The beneficial effects of this invention are as follows: Using the lithium battery packaging equipment of this invention, the heat-shrink film is gradually wrapped around the outer wall of the lithium battery body as it rotates. Because the diameter of the outer wall varies with the rotation of the lithium battery body, the spring and the first telescopic rod adaptively change according to the diameter of the outer wall of the lithium battery body during rotation and when rotating to the other side. This change forms a "translational reciprocating motion," driving the slider, side frame, and air box to perform a reciprocating translational motion trajectory. The motion trajectory changes in real time according to the diameter of the outer wall of the lithium battery body as it rotates. This ensures that no matter how the lithium battery body rotates, the distance between the air box and the outer wall of the lithium battery body remains equidistant during air blowing, guaranteeing the uniformity of heating of the heat-shrink film. Furthermore, when heating the heat-shrink film… There may be residual gas between the heat shrink film and the lithium battery body. While the bottom rod is moving horizontally back and forth for heating, it can also move up and down for heating. This heating method allows the hot airflow from the air box to blow onto the outer wall of the heat shrink film from bottom to top or from top to bottom. This heating method causes the airflow to form a "squeezing" effect on the outer wall of the heat shrink film, squeezing out the residual gas between the heat shrink film and the lithium battery body. Before that, the pressure roller can remove most of the residual gas by "rolling tightly" against the outer wall of the lithium battery body and the heat shrink film, but a small amount of gas will remain. In order to prevent "bulging", the air jet method of the air box is changed to form "up and down air jet" to squeeze out the small amount of residual gas, which can prevent "bulging" from occurring. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a schematic diagram of the overall structure of the machine body in this invention;

[0033] Figure 2 This is a front view of the overall structure of the machine body in this invention;

[0034] Figure 3 This is a schematic diagram showing the connection between the adaptive distance control mechanism, the reciprocating wind control mechanism, and the loading mechanism in this invention;

[0035] Figure 4 This is a partial structural schematic diagram of the adaptive distance control mechanism in this invention;

[0036] Figure 5 This is a schematic diagram showing the positional relationship between the loading mechanism, the reel, and the lithium battery body in this invention;

[0037] Figure 6 This is a schematic diagram of the loading mechanism in this invention;

[0038] Figure 7 This is a schematic diagram of the overall structure of the roller and heat-shrink film in this invention;

[0039] Figure 8 This is a schematic diagram of the connection structure of the slider, the air box, and the bellows in this invention;

[0040] Figure 9 This is a schematic diagram of the structure of the No. 1 telescopic rod, spring, pressure roller and connecting rod in this invention;

[0041] Figure 10 This is a schematic diagram of the connection structure of the slider, bracket and side frame in this invention;

[0042] Figure 11 This is a schematic diagram of the overall structure of the reciprocating air control mechanism in this invention;

[0043] Figure 12 This is a schematic diagram illustrating the motion principle between the air box and the reciprocating air control mechanism in this invention.

[0044] Figure 13 This is a schematic diagram of the No. 2 telescopic rod and the locking block in the reciprocating air control mechanism of the present invention;

[0045] Figure 14 This is a cross-sectional view of the connection structure between the air box and the reciprocating air control mechanism in this invention.

[0046] The diagram is marked as follows:

[0047] 1. Main body; 2. Adaptive distance control mechanism; 201. Slider; 202. No. 1 telescopic rod; 203. Spring; 204. Pressure roller; 205. Connecting rod; 206. Bracket; 207. Side frame; 208. Air box; 209. Corrugated pipe; 210. Hot air blower body; 3. Reciprocating air control mechanism; 301. Rotating block; 302. Rotating rod; 303. Driving bevel gear; 304. Connecting rod; 305. No. 2 telescopic rod; 306. Locking block; 307. Driven bevel gear; 308. Base rod; 309. Pulley; 310. Belt; 311. Power wheel; 4. Loading mechanism; 401. Rotating placement platform; 402. Motor body; 403. Movable clamping rod; 404. Lifting rod; 5. Roller; 6. Heat shrink film; 7. Lithium battery body. Detailed Implementation

[0048] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to specific embodiments.

[0049] It should be noted that, unless otherwise defined, the technical or scientific terms used in this invention should have the ordinary meaning understood by one of ordinary skill in the art to which this invention pertains. The terms "first," "second," and similar terms used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0050] In a first aspect, the present invention provides a lithium battery packaging device, such as... Figure 1 , Figure 2 , Figure 3 As shown, the device includes a body 1 and a spool 5 movably disposed on the top of the body 1, a heat-shrinkable film 6 surrounding the outer wall of the spool 5, a lithium battery body 7 disposed on one side of the heat-shrinkable film 6, and the packaging equipment also includes:

[0051] An adaptive distance control mechanism 2 is set on one side of the top of the body 1, a reciprocating air control mechanism 3 is movably connected to the adaptive distance control mechanism 2, and a loading mechanism 4 is set on one side of the adaptive distance control mechanism 2.

[0052] The adaptive distance control mechanism 2 includes a bracket 206 disposed on one side of the top of the outer wall of the body 1. A slider 201 is movably disposed on the inner wall of the bracket 206. A connecting rod 205 is connected to the outer wall of the slider 201. A pressure roller 204 is movably connected to one end of the connecting rod 205. An air box 208 is movably disposed on one side of the bracket 206.

[0053] When the heat shrink film 6 on the outer wall of the lithium battery body 7 is heated by the air box 208, the adaptive distance control mechanism 2 can adjust the distance of the air outlet of the air box 208 according to the different diameters of the outer wall of the lithium battery body 7, so that the lithium battery body 7 can be heated evenly at any angle, avoiding the heating point being too concentrated or too far away.

[0054] The slider 201 is movably connected to the inner wall of the bracket 206;

[0055] A cavity is provided on one side of the outer wall of the air box 208.

[0056] In this embodiment, when using the packaging equipment, the user needs to hold the lifting rod 404 on the outer wall of the movable clamping rod 403 and pull it upwards. Then, the lithium battery body 7 is placed on the rotating placement table 401. Next, one end of the heat-shrink film 6 on the outer wall of the roll 5 is fixed to the outer wall of the lithium battery body 7 using adhesive or other fixing tools (only one point on one end of the heat-shrink film 6 needs to be fixed). At this time, the pressure roller 204 should be tightly pressed against the outer wall of the heat-shrink film 6, ensuring that the spring 203 and the first telescopic rod 202 are under pressure. Then, the motor body 402 can be started. After the motor body 402 starts, it will drive the lithium battery body 7 to rotate through the rotating placement table 401. When the lithium battery body 7 rotates, the heat-shrink film 6 will gradually wrap around its outer wall. Because the diameter of its outer wall is different, the spring 203 will extend or be compressed due to the change in diameter caused by the rotation of the lithium battery body 7 when rotating to the other side. Furthermore, when the spring 203 and the first telescopic rod 202 extend and retract, the pressure roller 204 always remains in close contact with the heat-shrink film 6 and the outer wall of the lithium battery body 7, and rotates with the rotation of the lithium battery body 7. This causes the pressure roller 204 to be in a state of translational reciprocating motion (displaced with different faces of the cuboid lithium battery body 7). When the pressure roller 204 reciprocates, it drives the slider 201 to move through the connecting rod 205. The slider 201 will move on the sliding surface set on the inner wall of the bracket 206. The slides back and forth within the groove. Since the side frame 207 is connected to the slider 201, the slider 201 will drive the side frame 207 and the air box 208 on the inner wall of the side frame 207 to perform a reciprocating translational motion trajectory (the motion trajectory will change in real time according to the diameter of the outer wall of the lithium battery body 7 as the lithium battery body 7 rotates). This ensures that no matter how the lithium battery body 7 rotates, the distance between the air box 208 and the outer wall of the lithium battery body 7 will always remain equidistant when blowing air, so as to ensure the uniformity of the heat shrink film 6 being heated.

[0057] As one implementation method, such as Figure 11 , Figure 12 , Figure 13 , Figure 14 As shown, the reciprocating air control mechanism 3 includes a locking block 306 movably disposed in the cavity of the air box 208. A second telescopic rod 305 is connected to the outer wall of the locking block 306. One end of the second telescopic rod 305 is connected to a connecting rod 304, and one end of the connecting rod 304 is connected to a rotating block 301.

[0058] In this embodiment, when the rotating placement platform 401 rotates, it drives the power wheel 311 to rotate. The power wheel 311 then drives the pulley 309 to rotate via the belt 310. When the pulley 309 rotates, it drives the driven bevel gear 307 to rotate via the base rod 308. When the driven bevel gear 307 rotates, it drives the rotating rod 302 to rotate via the driving bevel gear 303. When the rotating rod 302 rotates, it drives the rotating block 301 to rotate. When rotating, the connecting rod 304 will drive the second telescopic rod 305 and the locking block 306 to rotate. At this time, the second telescopic rod 305 and the locking block 306 will form a rotational trajectory around the circumference of the rotating block 301. The cavity opened on one side of the outer wall of the air box 208 will be driven by the rotation of the second telescopic rod 305 and the locking block 306, causing the air box 208 to slide up and down along the inner wall of the side frame 207. However, at this time, the air box 208 is still in a state of translational reciprocating motion. Therefore, a second telescopic rod 305 is provided. The second telescopic rod 305 can extend and retract while maintaining rotation to adapt to the reciprocating translational state of the air box 208. This allows the air box 208 to perform both horizontal reciprocating heating and vertical reciprocating heating. This heating method ensures that the hot airflow ejected from the air box 208 blows towards the outer wall of the heat shrink film 6 from bottom to top or from top to bottom. This heating method causes the airflow to form a "squeezing" effect on the outer wall of the heat shrink film 6, squeezing out the residual gas between the heat shrink film 6 and the lithium battery body 7. Before that, the pressure roller 204 can remove most of the residual gas by "rolling tightly" on the outer wall of the lithium battery body 7 and the heat shrink film 6, but a small amount of gas will remain. To prevent "bulging", the air jetting method of the air box 208 is changed to form "up and down air jetting" to squeeze out the small amount of residual gas, thus preventing "bulging".

[0059] As one implementation method, such as Figure 4 , Figure 5 , Figure 8 , Figure 9 , Figure 10 As shown, a telescopic rod 202 is movably connected to the top and bottom of one side of the outer wall of the pressure roller 204, and a spring 203 is arranged around the outer wall of the telescopic rod 202.

[0060] A side frame 207 is movably connected to one side of the outer wall of slider 201;

[0061] The air box 208 is movably connected to the inner wall of the side frame 207;

[0062] A corrugated pipe 209 is connected to one side of the outer wall of the air box 208, and one end of the corrugated pipe 209 is connected to the hot air blower body 210.

[0063] In this embodiment, the bellows 209 can adapt to the movement state of the air box 208 and ensure that the air can always be blown out, and the first telescopic rod 202 and the spring 203 can ensure that the pressure roller 204 is always in close contact with the heat shrink film 6.

[0064] As one implementation method, such as Figure 11 , Figure 13 , Figure 14 As shown, a rotating rod 302 is movably provided on the inner wall of the rotating block 301, and a driving bevel gear 303 is movably connected to one end of the rotating rod 302;

[0065] A driven bevel gear 307 is movably disposed at the bottom of the driving bevel gear 303, a bottom rod 308 is movably disposed on the inner wall of the driven bevel gear 307, and a pulley 309 is movably disposed at one end of the bottom rod 308.

[0066] A belt 310 is provided on the outer wall of the pulley 309, and a drive wheel 311 is provided at one end of the belt 310;

[0067] The drive wheel 311 is movably connected to the outer wall of the rotating placement platform 401;

[0068] When the rotating placement platform 401 rotates, the reciprocating air control mechanism 3 drives the air box 208 to move up and down. The hot airflow discharged by the air box 208 during the up and down reciprocating motion can form a squeezing force on the outer wall of the heat shrink film 6, and discharge the residual gas between the heat shrink film 6 and the lithium battery body 7 to prevent bulging.

[0069] In this embodiment, the reciprocating air control mechanism 3 enables the air box 208 to perform both "translational reciprocating motion" and "up-down reciprocating motion" to ensure the molding stability of the heat shrink film 6.

[0070] As one implementation method, such as Figure 10 As shown, bracket 206 is fixedly installed, and the inner wall of bracket 206 is provided with a sliding groove;

[0071] The slider 201 is adapted to the groove of the bracket 206.

[0072] In this embodiment, the slider 201 reciprocates in the groove provided in the bracket 206 during movement. When the pressure roller 204 reciprocates, it drives the slider 201 to move through the connecting rod 205. The slider 201 slides back and forth in the groove provided in the inner wall of the bracket 206. Since the side frame 207 is connected to the slider 201, the slider 201 drives the side frame 207 and the air box 208 on the inner wall of the side frame 207 to reciprocate and translate along a trajectory (the trajectory changes in real time according to the diameter of the outer wall of the lithium battery body 7 as the lithium battery body 7 rotates). This ensures that no matter how the lithium battery body 7 rotates, the distance between the air box 208 and the outer wall of the lithium battery body 7 remains equidistant when blowing air, so as to ensure the uniformity of the heat shrink film 6 being heated.

[0073] As one implementation method, such as Figure 2 , Figure 6 As shown, the loading mechanism 4 includes a motor body 402 disposed on one side of the bottom of the outer wall of the body 1. The output end of the motor body 402 is movably connected to a rotating placement platform 401. A movable clamping rod 403 is movably disposed on the top of the rotating placement platform 401. A lifting rod 404 is disposed on the outer wall of the movable clamping rod 403.

[0074] In this embodiment, after the motor body 402 is started, it will drive the lithium battery body 7 to rotate through the rotating placement platform 401. When the lithium battery body 7 rotates, the heat shrink film 6 will gradually wrap around its outer wall. When the lithium battery body 7 rotates, due to the different diameters of its outer wall, the spring 203 and the pressure roller 204 will be stretched or compressed due to the change in diameter caused by the rotation of the lithium battery body 7. When the spring 203 and the pressure roller 204 are stretched and contracted, the pressure roller 204 always keeps in close contact with the heat shrink film 6 and the outer wall of the lithium battery body 7 and rotates with the rotation of the lithium battery body 7.

[0075] As one implementation method, such as Figure 14 As shown, the cavity of the air box 208 is T-shaped, and the diameters of the locking block 306 and the second telescopic rod 305 are matched with the diameter of the cavity of the air box 208.

[0076] In this embodiment, when the rotating block 301 rotates, it drives the second telescopic rod 305 and the locking block 306 to rotate via the connecting rod 304. At this time, the second telescopic rod 305 and the locking block 306 will form a motion trajectory that rotates around the circumference of the rotating block 301. The cavity opened on one side of the outer wall of the air box 208 will be driven by the rotation of the second telescopic rod 305 and the locking block 306, causing the air box 208 to slide up and down along the inner wall of the side frame 207. However, at this time, the air box 208 is still in a translational reciprocating motion. Therefore, a second telescopic rod 305 is provided. The second telescopic rod 305 can extend and retract while maintaining rotation to adapt to the reciprocating translational state of the base rod 308. (The "T"-shaped cavity of the air box 208 allows the locking block 306 and the second telescopic rod 305 to drive the air box 208 to move up and down reciprocally when rotating. And when the air box 208 is moving back and forth in translational motion, the second telescopic rod 305 is extended and retracted through the engagement between the air box 208 cavity and the locking block 306.)

[0077] As one implementation method, such as Figure 5 , Figure 8 , Figure 9 , Figure 10 As shown, the pressure rollers 204 are all movably connected to one end of the spring 203 and the connecting rod 205;

[0078] The other end of the spring 203 is fixedly connected to the outer wall of the bracket 206;

[0079] The other end of the connecting rod 205 is connected to the outer wall of the slider 201.

[0080] In this embodiment, when the lithium battery body 7 rotates and rotates to the other side, the spring 203 and the pressure roller 204 will be stretched or compressed due to the change in diameter caused by the rotation of the lithium battery body 7. When the spring 203 and the pressure roller 204 are stretched and contracted, the pressure roller 204 always keeps in close contact with the heat shrink film 6 and the outer wall of the lithium battery body 7 and rotates with the rotation of the lithium battery body 7. This makes the pressure roller 204 in a state of translational reciprocating motion (the pressure roller 204 can always keep in close contact with the heat shrink film 6, so that most of the gas between the heat shrink film 6 and the lithium battery body 7 can be discharged when the pressure roller 204 rotates).

[0081] As one implementation method, such as Figure 1 , Figure 2 , Figure 3 As shown, a shell is provided on the top of the body 1, and one end of the movable clamping rod 403 passes through the shell on the top of the body 1 and is movably connected to the shell on the top of the body 1.

[0082] In this embodiment, the movable clamp 403 can move up and down via the lifting rod 404 and can rotate freely. The user needs to hold the lifting rod 404 on the outer wall of the movable clamp 403 and pull it upward. Then, the lithium battery body 7 is placed on the rotating placement platform 401. After that, one end of the heat shrink film 6 on the outer wall of the roll 5 is fixed to the outer wall of the lithium battery body 7 with glue or other fixing tools.

[0083] As one implementation method, such as Figure 5 , Figure 8 , Figure 9 , Figure 10 As shown, one end of the second telescopic rod 305 is connected to the outer wall of the locking block 306, and the other end of the second telescopic rod 305 is movably connected to one end of the connecting rod 304.

[0084] In this embodiment, when the rotating block 301 rotates, it will drive the second telescopic rod 305 and the locking block 306 to rotate through the connecting rod 304. At this time, the second telescopic rod 305 and the locking block 306 will form a motion trajectory that rotates around the circumference of the rotating block 301. The cavity opened on one side of the outer wall of the air box 208 will be driven by the rotation of the second telescopic rod 305 and the locking block 306, so that the air box 208 slides up and down along the inner wall of the side frame 207. However, at this time, the air box 208 is still in a state of translational reciprocating motion, so the second telescopic rod 305 is provided. The second telescopic rod 305 can extend and retract while maintaining the rotation state.

[0085] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the invention (including the claims) is limited to these examples; within the framework of the invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in the details for the sake of brevity.

[0086] This invention is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this invention should be included within the scope of protection of this invention.

Claims

1. A lithium battery packaging device, comprising a body (1) and a roller (5) movably disposed on the top of the body (1), a heat-shrinkable film (6) surrounding the outer wall of the roller (5), and a lithium battery body (7) disposed on one side of the heat-shrinkable film (6), characterized in that, The packaging equipment further includes: An adaptive distance control mechanism (2) is set on one side of the top of the body (1), a reciprocating air control mechanism (3) is movably connected to the adaptive distance control mechanism (2), and a loading mechanism (4) is set on one side of the adaptive distance control mechanism (2). The adaptive distance control mechanism (2) includes a bracket (206) disposed on one side of the top of the outer wall of the body (1). A slider (201) is movably disposed on the inner wall of the bracket (206). A connecting rod (205) is connected to the outer wall of the slider (201). A pressure roller (204) is movably connected to one end of the connecting rod (205). A wind box (208) is movably disposed on one side of the bracket (206). When the heat shrink film (6) on the outer wall of the lithium battery body (7) is heated by the heat box (208), the adaptive distance control mechanism (2) can adjust the distance of the air outlet of the heat box (208) according to the different diameters of the outer wall of the lithium battery body (7), so that the lithium battery body (7) can be heated evenly at any angle, avoiding the heating point being too concentrated or too far away. The slider (201) is movably connected to the inner wall of the bracket (206); A cavity is provided on one side of the outer wall of the air box (208); The reciprocating air control mechanism (3) includes a locking block (306) movably disposed in the cavity of the air box (208). The outer wall of the locking block (306) is connected to a second telescopic rod (305). One end of the second telescopic rod (305) is connected to a connecting rod (304). One end of the connecting rod (304) is connected to a rotating block (301). The top and bottom of one side of the outer wall of the pressure roller (204) are movably connected to a telescopic rod (202), and a spring (203) is arranged around the outer wall of the telescopic rod (202). A side frame (207) is movably connected to one side of the outer wall of the slider (201). The air box (208) is movably connected to the inner wall of the side frame (207); A corrugated pipe (209) is connected to one side of the outer wall of the air box (208), and one end of the corrugated pipe (209) is connected to the hot air blower body (210). A rotating rod (302) is movably provided on the inner wall of the rotating block (301), and one end of the rotating rod (302) is movably connected to a drive bevel gear (303). The bottom of the driving bevel gear (303) is movably provided with a driven bevel gear (307), the inner wall of the driven bevel gear (307) is movably provided with a bottom rod (308), and one end of the bottom rod (308) is movably provided with a pulley (309). The outer wall of the pulley (309) is provided with a belt (310), and one end of the belt (310) has a drive wheel (311). The power wheel (311) is movably connected to the outer wall of the rotating platform (401); When the rotating placement platform (401) rotates, the reciprocating air control mechanism (3) drives the air box (208) to move up and down. When the air box (208) moves up and down, the hot airflow discharged can form a squeezing force on the outer wall of the heat shrink film (6), and discharge the residual gas between the heat shrink film (6) and the lithium battery body (7) to prevent bulging.

2. The lithium battery packaging equipment according to claim 1, characterized in that, The bracket (206) is fixedly installed, and the inner wall of the bracket (206) is provided with a sliding groove; The slider (201) is adapted to the groove of the bracket (206).

3. The lithium battery packaging equipment according to claim 1, characterized in that, The loading mechanism (4) includes a motor body (402) disposed on one side of the bottom of the outer wall of the machine body (1). The output end of the motor body (402) is movably connected to a rotating placement platform (401). A movable clamping rod (403) is movably disposed on the top of the rotating placement platform (401). A lifting rod (404) is disposed on the outer wall of the movable clamping rod (403).

4. The lithium battery packaging equipment according to claim 1, characterized in that, The cavity of the air box (208) is T-shaped, and the diameter of the locking block (306) and the second telescopic rod (305) is adapted to the diameter of the cavity of the air box (208).

5. A lithium battery packaging device according to claim 1, characterized in that, The pressure rollers (204) are all movably connected to one end of the spring (203) and the connecting rod (205); The other end of the spring (203) is fixedly connected to the outer wall of the bracket (206); The other end of the connecting rod (205) is connected to the outer wall of the slider (201).

6. A lithium battery packaging device according to claim 3, characterized in that, The top of the body (1) is provided with a shell, and one end of the movable clamp (403) passes through the shell at the top of the body (1) and is movably connected to the shell at the top of the body (1).

7. A lithium battery packaging device according to claim 1, characterized in that, One end of the second telescopic rod (305) is connected to the outer wall of the locking block (306), and the other end of the second telescopic rod (305) is movably connected to one end of the connecting rod (304).

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