CN114986869A - Lithium battery heat treatment film pasting device and method - Google Patents

Abstract

The invention discloses a lithium battery heat treatment film sticking device in the technical field of lithium battery heat treatment film sticking, which comprises a feed ring barrel, wherein the side wall of the feed ring barrel is fixedly provided with an inclined slide pipe for guiding a lithium battery to slide; the invention solves the problems that the traditional film pasting equipment adopts the mode that the lithium battery is flatly placed for film pasting, the heat shrinkage film cannot be sleeved on the surface of the lithium battery on the equipment due to the fact that supporting points are needed at two ends or the lower end of the battery, manual film covering is needed, the heat shrinkage film is placed on heat treatment equipment for heating after film covering is finished, the heat shrinkage film is shrunk on the surface of the lithium battery, and the working efficiency is low due to the fact that the manual participation degree is high.

Description

A device and method for heat treatment of lithium battery

technical field

The invention relates to the technical field of heat treatment film sticking of lithium batteries, in particular to a lithium battery heat treatment film sticking device and method.

Background technique

Lithium battery is a kind of primary battery that uses lithium metal or lithium alloy as negative electrode material and uses non-aqueous electrolyte solution. With the development of microelectronics technology at the end of the twentieth century, the number of miniaturized devices is increasing, which puts forward high requirements for power supply. . Lithium-ion batteries have subsequently entered a large-scale practical stage; in order to avoid scratches on the surface of lithium-ion batteries during transportation, a protective film needs to be attached to the surface of lithium-ion batteries.

The existing lamination equipment uses the lithium battery to be flattened for lamination. Since the two ends or the lower end of the battery need support points, the heat shrinkable film cannot be sleeved on the equipment and placed on the surface of the lithium battery, so manual lamination is required. After the film is finished, it is placed on the heat treatment equipment for heating, so that the heat shrinkable film shrinks to the surface of the lithium battery. This method has a high degree of manual participation, which leads to the problem of low work efficiency; secondly, the existing lithium battery heat treatment The film sticking equipment uses a fixed heating port for heating, which is easy to cause uneven shrinkage of the heat shrinkable film, resulting in the offset of the film.

Based on this, the present invention designs a lithium battery heat treatment film sticking device and method to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a lithium battery heat treatment film sticking device and method, so as to solve the problems of the above-mentioned background technology and the shortcomings of the prior art.

To achieve the above object, the present invention provides the following technical solutions:

A lithium battery heat treatment film sticking device, comprising a feeding ring barrel, the side wall of the feeding ring barrel is fixedly provided with an inclined sliding pipe for guiding the sliding of the lithium battery, the sliding pipe is fixed with the feeding ring barrel and is connected to the feeding ring barrel. The inner cavity of the ring barrel is connected, and the end of the sliding pipe away from the feeding ring barrel is provided with a feeding gap. One end of the discharging baffle plate close to the feeding gap is low, the lower end of the feeding ring barrel is fixedly provided with a gradient ring barrel for guiding the lithium battery to fall vertically, and the lower end of the gradient ring barrel is fixedly provided with a vertical barrel, The lower end of the vertical barrel is provided with a packaging mechanism for vertical thermal film packaging of the lithium battery.

As a further solution of the present invention, the packaging mechanism includes a sealing ring barrel that is fixedly arranged on the outer wall of the lower end of the gradient ring barrel through a bracket, the sealing ring barrel is coaxial with the vertical barrel, and the sealing ring barrel is located at the lower end of the vertical barrel. The inner wall of the sealing ring barrel is sleeved with a ventilation ring barrel for placing the ring membrane, the side wall of the ventilation ring barrel is provided with a plurality of ventilation holes for the past, and the side wall of the sealing ring barrel is fixedly provided with an air inlet pipe and The suction pipe, the suction pipe and the suction pipe are provided with valves that can be closed when the air is not actively guided, and limit rings are respectively fixed on the outer walls of the ventilation ring barrels located at the upper and lower ends of the sealing ring barrel, so The lower end of the ventilation ring barrel is provided with a support device for transporting the ring film to the inside of the ventilation ring barrel and limiting the height of the lithium battery.

As a further solution of the present invention, the axes of the intake pipe and the intake pipe are located at the same height, and the edges of the intake pipe and the intake pipe parallel to their axes are tangent to the inner wall of the sealing ring barrel, and the ventilation ring barrel is connected to the intake pipe and A plurality of vanes for diffusing air are arranged on the outer wall of the suction pipe at the same height in an annular array around its axis.

As a further solution of the present invention, the support device includes a plurality of split ring plates with quarter openings, a rotating frame is fixedly arranged on the side wall of the open ring plate, and each rotating frame is fixedly arranged with the same angle sleeve , the center of the angle sleeve is rotatably provided with a fixing rod, the fixing rod is fixedly arranged on the outer wall of the lower end of the sliding pipe, the open ring plate is coaxial with the sealing ring barrel, and the upper end surface of the open ring plate is in contact with the lower end surface of the ventilation ring barrel , the inner wall of the lower end of the split ring plate is axially slidably provided with a top ring plate for limiting the lower end surface of the annular membrane, the lower end of the fixing rod is fixedly provided with a bottom ring plate, and the bottom ring plate is provided with a drive for driving the split ring plate to revolve For the drive mechanism of the replacement station, the bottom ring plate is located directly under the open ring plate and is provided with a limit mechanism for pushing the top ring plate to move upwards and at the same time restricting the lower end of the ventilation ring barrel.

As a further solution of the present invention, the drive mechanism includes a drive gear meshed with teeth on the lower end outer wall of the angle sleeve, the drive gear is coaxially connected with a first motor, and the first motor is fixed on the bottom ring plate superior.

As a further solution of the present invention, the limiting mechanism includes an active cylinder fixed on the bottom of the bottom ring plate through a bracket, the active cylinder and the top ring plate are coaxial, and the upper end side wall of the active cylinder moves the sub-rod vertically The limit is slidably connected to a limit ring plate, and the bottom ring plate is provided with an avoidance through hole for avoiding the limit ring plate.

As a further solution of the present invention, the bottom ring plate is provided with a long circular arc hole for returning material along the revolution path of the open ring plate.

As a further solution of the present invention, the sliding pipe is provided with a partition for intermittent feeding, the upper end of the sliding pipe is rotated through a bracket to set a feeding sleeve, and the feeding sleeve is connected with a tooth transmission through the teeth provided on the outer wall of the rear end. A blanking gear, the rear end of the blanking gear is coaxially connected with a second motor, the second motor is fixedly arranged on the outer wall of the upper end of the slide pipe through a bracket, and the blanking sleeve is arranged in a circular array around its axis with a plurality of adjustable motors. A closed loop that will interrupt the partition.

As a further solution of the present invention, the closed ring is provided with an inductor whose contact area is different from that of the positive and negative ends of the lithium battery, and the outer wall of the feed ring barrel is fixedly provided with a straightening tube with a coaxial line of the sliding tube, so The straightening pipe is communicated with the inner cavity of the feeding ring barrel, and an electromagnetic catapult is fixedly arranged inside the straightening pipe. The electromagnetic catapult can be extended according to the sensor signal, and the extension end of the electromagnetic catapult is fixedly arranged There is an obstructing arc plate used to prevent the lithium battery from entering the feed ring barrel preferentially.

A lithium battery heat treatment filming method, the specific steps of the lithium battery heat treatment filming method are as follows:

Step 1: First transfer the lithium battery that needs to be filmed to the filming site, inspect the surface of the lithium battery, remove the surface impurities, and remove the defective lithium battery;

Step 2: Place the lithium battery on the discharge baffle, so that the lithium battery rolls down to the inside of the feeding gap of the sliding tube along the arc of the discharging baffle, and then slides along the sliding tube to the inside of the feeding ring barrel;

Step 3: The lithium battery enters the feed ring barrel and is guided by the gradient ring barrel into the vertical barrel, and then enters the ventilation ring barrel. At this time, the active cylinder just withstands the lithium battery, making the lithium battery stationary, and then heats the battery through an external hot air blower. The air is passed into the inside of the sealing ring barrel, and the ring film on the inner wall of the ventilation ring barrel is heated and shrinked to the surface of the lithium battery to complete the thermal filming process;

Step 4: The active cylinder shrinks and descends, so that the lithium battery after filming falls to the inner wall of the open ring plate, and then the first motor drives the open ring plate to revolve to drive the lithium battery out of the lower end of the ventilation ring barrel to complete the unloading.

Compared with the prior art, the beneficial effects of the present invention are:

1. The present invention guides the lithium battery into the sliding tube and then into the feeding ring barrel through the discharging baffle, and guides the lithium battery from the gradient ring barrel into the vertical barrel to quickly convert the lithium battery into the vertical placement state and enter the inside of the ventilation ring barrel, And it is limited by the support device and stands in the center of the ventilation ring barrel. Secondly, the heat shrinkable film is adsorbed on the ventilation ring barrel through the suction pipe, so that the falling of the lithium battery is not disturbed by the heat shrinkable film. Finally, it is blown through the air inlet pipe. Entering hot air makes the ventilation ring barrel rotate inside the sealing ring barrel, and switches the heating position, so that the heat shrinkable film is evenly heated and shrunk to the outer surface of the lithium battery, thus completing the film coating process of the lithium battery, so that the lithium battery can be vertically coated , the supports at both ends do not interfere with the shrinkage of the heat shrinkable film, and the shrinkage process of the heat shrinkable film is not affected by gravity.

2. The present invention uses the first motor to drive the split ring plate with the heat shrinkable film to switch the position and connect with the ventilation ring barrel, and then the active cylinder works to lift the limit ring plate up along the inner wall of the split ring plate, and at the same time The top ring plate pushes the heat shrinkable film in the open ring plate to the inner wall of the ventilation ring barrel to prepare for heat shrinkage, so as to improve the work efficiency, and at the same time, the limit ring plate can support the lithium battery that is about to fall, so as to complete the automatic sleeve Membrane and automatic positioning functions.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention when viewed from the side;

Fig. 3 is a schematic view of enlarged structure at place A in Fig. 2 of the present invention;

FIG. 4 is a schematic view of a partial cross-sectional structure from a side plan view angle of the present invention;

Fig. 5 is the enlarged structural schematic diagram at B in Fig. 4 of the present invention;

Fig. 6 is the enlarged structural schematic diagram at C in Fig. 4 of the present invention;

Fig. 7 is the enlarged structural schematic diagram at D in Fig. 4 of the present invention;

FIG. 8 is a schematic diagram of the overall structure of the method flow of the present invention.

In the accompanying drawings, the list of components represented by each number is as follows:

Feed ring barrel 10, slide pipe 11, feed gap 12, vertical baffle 13, discharge baffle 14, gradient ring barrel 15, vertical barrel 16, sealing ring barrel 20, vent ring barrel 21, vent hole 22, inlet Air pipe 23, suction pipe 24, limit ring 25, vane 27, split ring plate 30, rotating frame 31, angle sleeve 32, fixing rod 33, top ring plate 34, bottom ring plate 35, drive gear 38, first motor 39, active cylinder 42, limit ring plate 43, long arc hole for return material 44, partition 46, blanking sleeve 47, blanking gear 48, second motor 49, closed ring 50, straightening tube 52, electromagnetic catapult 53, blocking the arc plate 54.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-8, the present invention provides a technical solution: a lithium battery heat treatment film sticking device, including a feeding ring barrel 10, the side wall of the feeding ring barrel 10 is fixedly provided with an inclined sliding tube for guiding the sliding of the lithium battery 11. The sliding pipe 11 is fixed with the feeding ring barrel 10 and communicates with the inner cavity of the feeding ring barrel 10. The end of the sliding pipe 11 away from the feeding ring barrel 10 is provided with a feeding gap 12, and one side wall of the feeding gap 12 is fixedly arranged There is a vertical baffle 13, a discharge baffle 14 is fixed at the other end of the feeding gap 12, and one end of the discharging baffle 14 close to the feeding gap 12 is low. To the falling gradient ring barrel 15, a vertical barrel 16 is fixed at the lower end of the gradient ring barrel 15, and the lower end of the vertical barrel is provided with a packaging mechanism for vertical thermal film packaging of the lithium battery; the packaging mechanism includes a bracket that is fixed on the gradient ring barrel. 15. The sealing ring barrel 20 on the outer wall of the lower end, the sealing ring barrel 20 is arranged coaxially with the vertical barrel 16, and the sealing ring barrel 20 is located at the lower end of the vertical barrel 16, and the inner wall of the sealing ring barrel 20 is sleeved with a ventilation ring barrel 21 for placing the ring membrane, The side wall of the ventilation ring barrel 21 is provided with a plurality of ventilation holes 22 for the past, and the side wall of the sealing ring barrel 20 is fixedly provided with an air inlet pipe 23 and an air suction pipe 24 which communicate with each other, and the air inlet pipe 23 and the air suction pipe 24 are provided with A valve that can be closed when the air is not actively guided, a limiting ring 25 is respectively fixed on the outer walls of the ventilation ring barrel 21 located at the upper end and the lower end of the sealing ring barrel 20, and the lower end of the ventilation ring barrel 21 is provided with a ring for conveying the annular film to the ventilation ring. Inside the barrel 21, and a support device for height-limiting the lithium battery; the axes of the intake pipe 23 and the intake pipe 24 are located at the same height, and the edges of the intake pipe 23 and the intake pipe 24 parallel to their axes are tangent to the inner wall of the sealing ring barrel 20, The outer wall of the ventilation ring barrel 21 at the same height as the air intake pipe 23 and the air intake pipe 24 is provided with a plurality of blades 27 for diffusing air in an annular array around its axis;

Before the present invention is used, the device is assembled first, as shown in Figure 1, the upper end of the device is viewed from the top of Figure 1, the right end of the device is viewed from the right side of Figure 1 to the left, and then the device orientation is used to carry out narration, without further elaboration;

When the present invention is used, the lithium battery is placed on the discharge baffle 14 manually or by an existing stacking device, and the axis of the battery is kept parallel to the semicircular axis of the feeding gap 12. Since the discharge baffle 14 is close to One end of the feeding gap 12 is lower, so that the lithium battery rolls on the discharge baffle 14 and enters the inside of the feeding gap 12 (as shown in FIG. The moving speed of the plate 14 is too fast to rush out of the feeding gap 12, so that the problem of falling occurs), because the outer wall of the lithium battery is smooth, and the slideway composed of the feeding gap 12 and the sliding pipe 11 is located at one end of the feeding ring barrel 10. low, so that the lithium battery slides in the direction of the feeding ring barrel 10 (the sliding direction of the lithium battery in the sliding tube 11, which end is lower will be at the lower end, the direction of the lithium battery cannot be adjusted), thus falling into the feeding ring Inside the barrel 10, after the lithium battery enters the feeding ring barrel 10, it will be guided into the vertical barrel 16 through the gradient ring barrel 15, and then the lithium battery will continue to be subjected to its own gravity and enter the ventilation ring barrel 21 (as shown in Figures 4 and 5). It is shown that when the battery does not enter the ventilation ring barrel 21, the heat shrinkable film should be manually placed in the ventilation ring barrel 21, and the intake pipe 23 has a valve closed at this time, and then the suction pipe 24 draws air outwards, so that A negative pressure is formed inside the sealing ring barrel 20, and the air on the outer wall of the heat shrinkable film is drawn out from the ventilation hole 22, so that the heat shrinkable film is attached to the inner wall of the ventilation ring barrel 21, and does not affect the process of the lithium battery falling automatically. During this process , the local air pressure of the suction pipe 24 is reduced, so that the airflow near the blade 27 changes, so that the blade 27 rotates, and the rotation of the blade 27 drives the ventilation ring barrel 21 to rotate inside the sealing ring barrel 20, and the limit ring 25 acts to make the sealing ring The barrel 20 appears to move up and down, so that the heat shrinkable film is automatically flattened on the inner wall of the ventilation ring barrel 21 by centrifugal force, and the upper and lower positions of the ventilation ring barrel 21 are adjusted, so that the heat shrinkable film is automatically adjusted), lithium battery Then it is acted by the supporting device (the heat shrinkable film will also be acted by the supporting device, and the problem of falling does not occur), and stays in the ventilation ring barrel 21, and then the air intake pipe 23 starts to pressurize and blow hot air into the sealing ring barrel 20, and inhale The valve of the tube 24 is closed, and the hot air blows the blades 27 to make the ventilation ring barrel 21 rotate inside the sealing ring barrel 20, while blowing the heat shrinkable film to the surface of the lithium battery, and at the same time, the ventilation ring barrel 21 rotates so that the ventilation hole 22 is switched. Therefore, the heat shrinkable film is quickly heated and shrinked to the surface of the lithium battery, so that the heating of the heat shrinkable film is more uniform, and the filming of the lithium battery is completed;

The present invention guides the lithium battery into the sliding pipe 11 through the discharge baffle 14 and then into the feed ring barrel 10, guides the lithium battery from the gradient ring barrel 15 into the vertical barrel 16, and quickly converts the lithium battery into the vertical arrangement state and enters the ventilation ring The inside of the barrel 21 is limited by the support device, and stands in the center of the ventilation ring barrel 21. Secondly, the heat shrinkable film is adsorbed on the ventilation ring barrel 21 through the suction pipe 24, so that the falling of the lithium battery is not disturbed by the heat shrinkable film. Finally, hot air is blown into the air inlet pipe 23 to make the ventilation ring barrel 21 rotate inside the sealing ring barrel 20, and the heating position is switched, so that the heat shrinkable film is evenly heated and shrinked to the outer surface of the lithium battery, thereby completing the film coating process of the lithium battery , so that the lithium battery is covered vertically, the supports at both ends of the lithium battery do not interfere with the shrinkage of the heat shrinkable film, and the shrinkage process of the heat shrinkable film is not affected by gravity.

As a further solution of the present invention, the support device includes a plurality of split ring plates 30 with quarter openings, the side walls of the split ring plates 30 are fixedly provided with rotating frames 31, and each rotating frame 31 is fixedly provided with the same angle sleeve 32, A fixed rod 33 is rotatably provided in the center of the angle sleeve 32. The fixed rod 33 is fixedly arranged on the outer wall of the lower end of the slide pipe 11. contact, the inner wall of the lower end of the split ring plate 30 is axially slidably provided with a top ring plate 34 for limiting the lower end surface of the annular membrane, the lower end of the fixing rod 33 is fixedly provided with a bottom ring plate 35, and the bottom ring plate 35 is provided with a bottom ring plate 35 for driving the split ring plate 30 The driving mechanism for revolving and changing the station, the bottom ring plate 35 is located directly below the split ring plate 30 and is provided with a limit mechanism for pushing the top ring plate 34 to move upwards while restricting the lower end of the ventilation ring barrel 21; the driving mechanism includes the lower end of the angle sleeve 32 The outer wall is meshed with a drive gear 38, which is coaxially connected with a first motor 39. The first motor 39 is fixed on the bottom ring plate 35; the limit mechanism includes a bracket fixed on the bottom ring plate. The active cylinder 42 at the bottom of 35, the active cylinder 42 is coaxial with the top ring plate 34, the active cylinder 42 moves the upper end side wall of the sub-rod to limit the vertical limit sliding connection to the limit ring plate 43, and the bottom ring plate 35 is provided with a limit for avoidance. The avoidance through hole of the position ring plate 43; the bottom ring plate 35 is provided with a long circular arc hole 44 for returning material along the revolution path of the open ring plate 30;

When the present invention is used, the first motor 39 works to drive the drive gear 38 to rotate, the drive gear 38 rotates to drive the angle sleeve 32 to rotate clockwise (viewed from the upper end of the device), the angle sleeve 32 rotates to drive the rotating frame 31 to rotate, and the rotating frame 31 rotates to drive the opening The position of the ring plate 30 is switched (the heat shrink film should be placed on the inner wall of the split ring plate 30 before switching to the lower end of the vent ring barrel 21, and the opening of the split ring plate 30 is convenient for placing the heat shrink film in the split ring plate 30), When the split ring plate 30 is displaced to the lower end of the vent ring barrel 21 and then docked with the vent ring barrel 21, the active cylinder 42 starts to work, thereby pushing the limit ring plate 43 upward along the split ring plate 30 (the limit ring plate 43 There is a raised point in the center to lift up the lithium battery, and the raised point is higher than the upper surface of the top ring plate 34, so that the lower end of the heat shrinkable film can be heat-shrinked to the lower end surface of the lithium battery), and the limit ring plate 43 moves up to push the top ring plate 34. The heat shrinkable film placed on the inner wall of the open ring plate 30 is pushed upward into the ventilation ring barrel 21, and at the same time, the limit ring plate 43 supports the bottom of the lithium battery to a certain extent, so as to complete the support in the process of heat shrinking the lithium battery. Process: After the lithium battery is filmed, the active cylinder 42 shrinks and the limit ring plate 43 descends to move the lithium battery after the film coating as a whole out of the ventilation ring barrel 21 and into the open ring plate 30, and the top ring plate 34 is subject to the action of gravity. The position ring plate 43 automatically descends along the inner wall of the split ring plate 30 at the same time. When the lithium battery completely enters the split ring plate 30, the first motor 39 rotates and drives the split ring plate 30 to perform position conversion, so that the lithium battery follows the split ring plate. 30 performs position conversion, and at the same time, the bottom end of the battery rotates on the bottom ring plate 35, so as to fall from the long arc hole 44 of the return material to complete the unloading;

In the present invention, the first motor 39 drives the split ring plate 30 with the heat-shrinkable film to switch the position to connect with the vent ring barrel 21, and then the active cylinder 42 works to move the limit ring plate 43 upward along the inner wall of the split ring plate 30. At the same time, the top ring plate 34 pushes the heat shrinkable film in the open ring plate 30 to the inner wall of the ventilation ring barrel 21 to prepare for heat shrinkage, so as to improve the work efficiency, and at the same time, the limit ring plate 43 can prevent the falling lithium The battery is supported to complete the functions of automatic film and automatic positioning.

As a further solution of the present invention, the slide pipe 11 is provided with a partition 46 for intermittent blanking, the upper end of the slide pipe 11 is rotated through the bracket to set the blanking sleeve 47, and the blanking sleeve 47 is connected with the lower part through the teeth transmission opened on the outer wall of the rear end. The feeding gear 48 and the rear end of the feeding gear 48 are coaxially connected with a second motor 49. The second motor 49 is fixedly arranged on the outer wall of the upper end of the slide pipe 11 through a bracket. The closed ring 50 that is interrupted by the partition 46; the closed ring 50 is provided with a sensor that can be different from the contact area of the positive and negative ends of the lithium battery, and the outer wall of the feeding ring barrel 10 is fixedly provided with a straightening pipe 52 of the coaxial line of the sliding pipe 11 , the straightening pipe 52 is communicated with the inner cavity of the feeding ring barrel 10, the electromagnetic catapult 53 is fixedly arranged inside the straightening pipe 52, the electromagnetic catapult 53 can be extended according to the sensor signal, and the extension end of the electromagnetic catapult 53 is fixedly set There is an obstructing arc plate 54 for obstructing the lithium battery to preferentially enter the feed ring barrel 10 and one end to descend;

When the present invention is used, the second motor 49 rotates to drive the unloading gear 48 to rotate, the unloading gear 48 rotates to drive the unloading sleeve 47 to rotate, and the unloading sleeve 47 rotates to drive the closed ring 50 to switch positions inside the partition 46 in the middle of the slide pipe 11 , so that the feeding of the lithium battery is blocked, and then the lithium battery hits the closed ring 50, thereby detecting the positive and negative electrodes of the battery, and then outputting a signal, so that the electromagnetic catapult 53 in the pendulum tube 52 works, the electromagnetic The ejector 53 works to drive the blocking arc plate 54 to extend or keep still, so as to block or directly release the lithium battery into one end of the feed ring barrel 10, thereby changing the direction of the lithium battery entering the vertical barrel 16, so as to keep the The positive or negative electrode of the battery is upward, and it is set according to the needs, so as to facilitate the filming work.

A lithium battery heat treatment filming method, the specific steps of the lithium battery heat treatment filming method are as follows:

Step 1: First transfer the lithium battery that needs to be filmed to the filming site, inspect the surface of the lithium battery, remove the surface impurities, and remove the defective lithium battery;

Step 2: Place the lithium battery on the discharge baffle 14, so that the lithium battery rolls down to the inside of the feeding gap 12 of the slide pipe 11 along the arc of the discharge baffle 14, and then slides along the slide pipe 11 to the feeding Inside the ring barrel 10;

Step 3: The lithium battery enters the feed ring barrel 10 and is guided by the gradient ring barrel 15 into the vertical barrel 16, and then enters the ventilation ring barrel 21. At this time, the active cylinder 42 just withstands the lithium battery, so that the lithium battery is stationary, and then passes through The external hot air blower passes hot air into the inside of the sealing ring barrel 20, and heats and shrinks the ring film on the inner wall of the ventilation ring barrel 21 to the surface of the lithium battery to complete the thermal filming process;

Step 4: The active cylinder 42 shrinks and descends, so that the lithium battery after filming falls to the inner wall of the open ring plate 30, and then the first motor 39 drives the open ring plate 30 to revolve to drive the lithium battery out of the lower end of the ventilation ring barrel 21 to complete the unloading. material.

Claims (10)

1. The utility model provides a lithium cell thermal treatment pad pasting device, includes feed ring bucket (10), its characterized in that: the side wall of the feeding ring barrel (10) is fixedly provided with an inclined sliding pipe (11) for guiding the lithium battery to slide, the sliding pipe (11) is fixed with the feeding ring barrel (10) and is communicated with the inner cavity of the feeding ring barrel (10), one end of the sliding pipe (11) far away from the feeding ring barrel (10) is provided with a feeding gap (12), a vertical baffle (13) is fixedly arranged on the side wall of one end of the feeding gap (12), a discharging baffle (14) is fixedly arranged at the other end of the feeding gap (12), one end of the discharging baffle (14) close to the feeding gap (12) is low, the lower end of the feeding ring barrel (10) is fixedly provided with a gradual change ring barrel (15) for guiding the lithium battery to vertically fall, the lower end of the gradual change ring barrel (15) is fixedly provided with a vertical barrel (16), and the lower end of the vertical barrel is provided with a packaging mechanism for packaging a vertical heat pasting film of the lithium battery.

2. The lithium battery heat treatment film pasting device as claimed in claim 1, wherein: the packaging mechanism comprises a sealing ring barrel (20) fixedly arranged on the outer wall of the lower end of a gradual change ring barrel (15) through a support, the sealing ring barrel (20) and a vertical barrel (16) are coaxially arranged, the sealing ring barrel (20) is positioned at the lower end of the vertical barrel (16), a ventilation ring barrel (21) used for placing a ring membrane is sleeved on the inner wall of the sealing ring barrel (20), a plurality of ventilation holes (22) used for the past are formed in the side wall of the ventilation ring barrel (21), an air inlet pipe (23) and an air suction pipe (24) which are communicated with each other are fixedly arranged on the side wall of the sealing ring barrel (20), valves which can be closed when air is not actively guided are arranged on the air inlet pipe (23) and the air suction pipe (24), limit rings (25) are fixedly arranged on the outer wall of the ventilation ring barrel (21) and are positioned at the upper end and the lower end of the sealing ring barrel (20), and the lower end of the ventilation ring barrel (21) is provided with a valve used for conveying the ring membrane to the interior of the ventilation ring barrel (21), and a support device for height limitation of the lithium battery.

3. The lithium battery heat treatment film pasting device as claimed in claim 2, characterized in that: the air inlet pipe (23) and the air suction pipe (24) are located at the same height, the side lines of the air inlet pipe (23) and the air suction pipe (24) parallel to the axis are tangent to the inner wall of the sealing ring barrel (20), and a plurality of blades (27) for air dispersion are arranged on the outer wall of the ventilation ring barrel (21) at the same height as the air inlet pipe (23) and the air suction pipe (24) in an annular array mode around the axis.

4. The lithium battery heat treatment film pasting device as claimed in claim 3, wherein: the supporting device comprises a plurality of quarter-open-ended open ring plates (30), the side walls of the open ring plates (30) are fixedly provided with rotating frames (31), each rotating frame (31) is fixedly provided with a same angle sleeve (32), the center of the angle sleeve (32) is rotatably provided with a fixing rod (33), the fixing rod (33) is fixedly arranged on the outer wall of the lower end of the sliding pipe (11), the open ring plates (30) are coaxial with the sealing ring barrel (20), the upper end face of the open ring plates (30) is in contact with the lower end face of the ventilation ring barrel (21), the inner wall of the lower end of the open ring plates (30) is axially slidably provided with a top ring plate (34) used for limiting the lower end face of the ring barrel, the lower ends of the fixing rods (33) are fixedly provided with bottom ring plates (35), and the bottom ring plates (35) are provided with driving mechanisms used for driving the open ring plates (30) to change stations in a revolution manner, and the bottom ring plate (35) is positioned under the opening ring plate (30) and is provided with a limiting mechanism for pushing the top ring plate (34) to move upwards and limiting the lower end of the ventilation ring barrel (21).

5. The lithium battery heat treatment film pasting device as claimed in claim 4, wherein: the driving mechanism comprises a driving gear (38) which is meshed with the outer wall of the lower end of the angle sleeve (32) through the arranged teeth, the driving gear (38) is connected with a first motor (39) in a coaxial transmission mode, and the first motor (39) is fixedly arranged on the bottom ring plate (35).

6. The lithium battery heat treatment film pasting device as claimed in claim 5, wherein: stop gear includes through fixed initiative cylinder (42) that sets up in bottom crown plate (35) bottom of support, initiative cylinder (42) and top crown plate (34) coaxial line, the vertical spacing sliding connection of initiative cylinder (42) motion sub-pole upper end lateral wall has stop ring board (43), offer the dodge through-hole that is used for dodging stop ring board (43) on bottom crown plate (35).

7. The lithium battery heat treatment film pasting device as claimed in claim 6, wherein: and a material returning long circular arc hole (44) for returning materials is formed in the bottom ring plate (35) along the revolution path of the opening ring plate (30).

8. The lithium battery heat treatment film pasting device as claimed in claim 1, wherein: offer on slide pipe (11) and be used for the wall (46) of intermittent type unloading, slide pipe (11) upper end is rotated through the support and is set up unloading cover (47), tooth transmission that unloading cover (47) were seted up through the rear end outer wall is connected with unloading gear (48), unloading gear (48) rear end coaxial transmission is connected with second motor (49), second motor (49) are fixed to be set up at slide pipe (11) upper end outer wall through the support, unloading cover (47) encircle its axis annular array and are provided with a plurality of closed rings (50) that can carry out the interrupt with wall (46).

9. The lithium battery heat treatment film pasting device as claimed in claim 8, wherein: set up on the closed loop (50) and can be according to the inductor different with lithium cell positive and negative end area of contact, the fixed pendulum pipe (52) that is provided with slide pipe (11) coaxial line of feed ring bucket (10) outer wall, pendulum pipe (52) and feed ring bucket (10) internal chamber intercommunication, the fixed electromagnetism catapult (53) that sets up in pendulum pipe (52) inside, electromagnetism catapult (53) can extend according to the inductor signal, electromagnetism catapult (53) extension end is fixed to be provided with and is used for hindering the preferential hindrance arc board (54) that get into feed ring bucket (10) one end decline of lithium cell.

10. A lithium battery heat treatment film pasting method, which is suitable for the lithium battery heat treatment film pasting device of any one of claims 1 to 9, and is characterized in that: the heat treatment film pasting method for the lithium battery comprises the following specific steps:

the method comprises the following steps: the method comprises the following steps of firstly, transporting a lithium battery needing film pasting to a film pasting site, inspecting the surface of the lithium battery, removing surface impurities, and removing defective lithium batteries;

step two: placing the lithium battery on the discharging baffle (14), so that the lithium battery rolls down into the feeding notch (12) of the sliding pipe (11) along the radian of the discharging baffle (14) and then slides into the feeding ring barrel (10) along the sliding pipe (11);

step three: the lithium battery enters the feeding ring barrel (10), is guided by the gradual change ring barrel (15) to enter the vertical barrel (16), then enters the ventilation ring barrel (21), at the moment, the driving air cylinder (42) just props against the lithium battery, so that the lithium battery is static, hot air is introduced into the sealing ring barrel (20) through an external hot air blower, a ring film on the inner wall of the ventilation ring barrel (21) is heated and thermally shrunk to the surface of the lithium battery, and the film hot-pasting process is completed;

step four: the driving air cylinder (42) contracts and descends, so that the lithium battery subjected to film pasting falls to the inner wall of the open ring plate (30), and then the first motor (39) drives the open ring plate (30) to revolve to drive the lithium battery out of the lower end of the ventilation ring barrel (21) to finish discharging.

Images