Automatic belt splicing device for unwinding

Abstract

The utility model relates to the technical field of unwinding and tape splicing, in particular to an automatic unwinding and tape splicing device. Comprising a discharging assembly, and the discharging assembly comprises a discharging frame; a standby station used for installing and unwinding standby material coils and a working station used for installing and unwinding working material coils are arranged on the discharging frame side by side. The rubberizing assembly is mounted on one side of the standby station and is used for rubberizing the end part of the standby material coil positioned on the standby station; the belt connecting assembly is mounted below the working station; through the arrangement of the discharging frame, the rubberizing assembly and the tape splicing assembly, rubberizing of standby material coils and connection between the standby material coils and working material coils can be automatically completed, the automation degree is good, and the industrial production efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of unwinding and splicing tapes, in particular to an automatic unwinding and splicing tape device. Background Art

[0002] In the production process of lithium battery cells, the fully automatic winding process includes the unwinding of the electrode material strip and the film material strip. The existing unwinding mechanism generally uses a single material strip to unwind. After the single material strip is used up, the machine needs to be stopped to replace a new material strip. The shutdown for strip replacement will affect the production efficiency of the battery cell.

[0003] To improve production efficiency, dual rolls are used. After one roll is used up, the head of the other roll is attached to the tail of the working roll with tape to achieve a splice, thus shortening the time required to change tapes. However, existing automatic tape splicing devices require manual labor to pick up the head of the spare tape and move it to the splicing position when changing tapes. This also requires a short machine stop, which cannot meet the production requirements of non-stop production and results in low production efficiency. Therefore, it is necessary to propose a technical solution to the above-mentioned drawbacks. Utility Model Content

[0004] The utility model adopts the following technical solutions:

[0005] An automatic unwinding and splicing device comprising

[0006] The unwinding assembly includes an unwinding rack; the unwinding rack is provided with a standby station for installing and unwinding a standby roll, and a working station for installing and unwinding a working roll side by side;

[0007] A gluing assembly, which is installed on one side of the standby station and is used to glue the end of the standby material roll located on the standby station;

[0008] A splicing assembly is installed below the working station; wherein the splicing assembly includes a mounting frame, a splicing rubber roller in the mounting frame, a cutter installed on the side of the splicing rubber roller close to the working station, a first driving unit connected to the splicing rubber roller and used to drive the splicing rubber roller to extend upward from the mounting frame, a second driving unit connected to the cutter and used to drive the cutter to extend from the mounting frame, and a third driving unit connected to the mounting frame and used to drive the mounting frame close to or away from the spare material roll, so that the splicing rubber roller can abut against the spare rubber roller when extending from the mounting frame, and the cutter can cut the working material roll when extending from the mounting frame.

[0009] Preferably, the unloading assembly also includes a turntable installed on the unloading rack, mounting shafts installed at both ends of the turntable, respectively used to install the working material roll and the spare material roll, so that the two ends of the turntable form the working station and the spare station, a first motor installed in the middle of the turntable to drive the turntable to rotate, and a second motor installed at the end of the turntable to drive the mounting shaft to rotate.

[0010] Preferably, the first driving unit includes a swing arm and a first cylinder; the swing arm is installed in the mounting frame, and one end of the swing arm is rotatably connected to the mounting frame, and the other end is connected to the splicing rubber roller; the first cylinder is connected to the swing arm to drive the swing arm to swing, so that the end of the swing arm connected to the splicing rubber roller extends or returns from the upper part of the mounting frame as needed.

[0011] Preferably, the second driving unit includes a second cylinder installed in the mounting frame and connected to the cutter, for driving the cutter to extend or return from the upper part of the mounting frame as needed.

[0012] Preferably, the third driving unit includes a vertical screw rod connected to the mounting bracket, and a third motor connected to the vertical screw rod for driving the vertical screw rod to rotate.

[0013] Preferably, the glue-applying assembly includes a movable plate installed on one side of the spare material roll, a first movable unit connected to the movable plate for driving the movable plate to approach or move away from the spare material roll, a second movable unit connected to the movable plate for driving the movable plate to move axially along the axis of the spare material roll, a glue-applying roller installed on the movable plate, a tape unwinding shaft and a tape receiving shaft installed on both sides of the glue-applying roller, and a fourth motor connected to the tape receiving shaft for driving the tape receiving shaft to rotate.

[0014] Preferably, the first moving unit includes a first guide rail installed at the bottom of the moving plate, a first transmission screw installed in the first guide rail and connected to the moving plate, for driving the moving plate to move along the length direction of the first guide rail when rotating, and a fifth motor connected to the first transmission screw for driving the first transmission screw to rotate.

[0015] Preferably, the second moving unit includes a second guide rail installed at the bottom of the first guide rail, a second transmission screw installed in the second guide rail and connected to the first guide rail, for driving the first guide rail to move along the length direction of the second guide rail when rotating, and a sixth motor connected to the second transmission screw for driving the second transmission screw to rotate.

[0016] Preferably, a position sensor is provided at one end of the movable plate close to the spare material roll; the position sensor is used to detect the end edge position of the spare material roll.

[0017] The utility model relates to an automatic unwinding and splicing device, which can automatically complete the gluing of a spare material roll and its splicing with a working material roll through the arrangement of a material unwinding rack, a gluing component and a splicing component, has a high degree of automation and greatly improves industrial production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is an overall schematic diagram of an automatic unwinding and splicing device of the present invention;

[0019] Figure 2 This is an overall schematic diagram of an automatic unwinding and splicing device of the present invention after removing the unwinding component;

[0020] Figure 3 The utility model is an overall schematic diagram of a glue-applying component in an automatic unwinding and splicing device. DETAILED DESCRIPTION

[0021] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0024] Please refer to the figure to Figure 3 , an automatic unwinding and splicing device, comprising

[0025] The unwinding assembly 10 includes an unwinding rack 101 ; the unwinding rack 101 is provided with a standby station for installing and unwinding a standby material roll 102 and a working station for installing and unwinding a working material roll 103 ;

[0026] The gluing assembly 20 is installed on one side of the standby station and is used to glue the end of the standby material roll 102 located on the standby station;

[0027] The splicing assembly 30 is installed below the working station; wherein the splicing assembly 30 includes a mounting frame 301, a splicing rubber roller 302 in the mounting frame 301, a cutter 303 installed on the side of the splicing rubber roller 302 close to the working station, a first driving unit connected to the splicing rubber roller 302 for driving the splicing rubber roller 302 to extend upward from the mounting frame 301, a second driving unit connected to the cutter 303 for driving the cutter 303 to extend from the mounting frame 301, and a third driving unit connected to the mounting frame 301 for driving the mounting frame 301 to move closer to or away from the spare material roll 102, so that the splicing rubber roller 302 can abut against the spare rubber roller when extending from the mounting frame 301, and the cutter 303 can cut the working material roll 103 when extending from the mounting frame 301.

[0028] Specifically, combined with Figure 1 , the working principle of an automatic unwinding and splicing device involved in the utility model is explained as follows: Figure 1 As shown, when the working material roll 103 located on the working station is ready to be unloaded and needs to be replaced, the spare material roll 102 rotates so that the end of the spare material roll 102 is close to the glue end of the glue sticking component 20, and then the glue sticking component 20 sticks double-sided tape on the end of the spare material roll 102. After the glue sticking is completed, the spare material roll 102 rotates so that the end of the spare material roll 102 faces the tape splicing component 30. In this embodiment, it rotates to the lower end of the spare material roll 102. At this time, the third driving unit drives the mounting bracket 301 upward to make the mounting bracket 301 move upward. 01 reaches the preset position, the first driving unit drives the splicing rubber roller 302 to extend out of the mounting frame 301, so that the splicing rubber roller 302 is in contact with the end of the spare material roll 102, so that the end of the spare material roll 102 is connected to the working material roll 103 through the tape. After the connection is completed, the spare material roll 102 is transported forward along with the working material roll 103. At the same time, the second driving unit drives the cutter 303 to extend out of the mounting frame 301, and then cuts the working material roll 103 at the end. At this point, the splicing work of the working material roll 103 and the spare material roll 102 is completed.

[0029] The utility model relates to an automatic unwinding and splicing device, which can automatically complete the gluing of the spare material roll 102 and its connection with the working material roll 103 through the arrangement of the unwinding rack 101, the gluing component 20 and the splicing component 30, has a high degree of automation and greatly improves industrial production efficiency.

[0030] In a specific embodiment, the unloading assembly includes a turntable 104 installed on the unloading rack 101, mounting shafts 105 installed at both ends of the turntable 104 for mounting the working material roll 103 and the spare material roll 102 respectively, so that the two ends of the turntable 104 form a working station and a spare station, a first motor installed in the middle of the turntable 104 for driving the turntable 104 to rotate, and a second motor installed at the end of the turntable 104 for driving the mounting shaft 105 to rotate.

[0031] In this example, see Figure 1 The unloading component 10 is a unloading turret. Specifically, when working, after the standby material roll 102 and the working material roll 103 are spliced, the first motor drives the turntable 104 to rotate so that the two ends of the turntable 104 exchange positions, so that the standby material roll 102 is rotated to the working station for unloading. After unloading, the working material roll 103 is rotated to the standby station for replacement with a new material roll, thereby ensuring the orderly development of the next roll change and splicing, ensuring the continuity of work, and greatly improving work efficiency.

[0032] In a specific embodiment, the first drive unit includes a swing arm 304 and a first cylinder 305; the swing arm 304 is mounted in the mounting frame 301, and one end of the swing arm 304 is rotatably connected to the mounting frame 301, and the other end is connected to the splicing roller 302; the first cylinder 305 is connected to the swing arm 304 to drive the swing arm 304 to swing, so that the end of the swing arm 304 connected to the splicing roller 302 extends or returns from the upper part of the mounting frame 301 as needed. For details, please refer to Figure 1 as well as Figure 2 One end of the first cylinder 305 is rotatably connected to the mounting frame 301, and the other end is rotatably connected to the end of the swing arm 304 away from the splicing rubber roller 302, so that the first cylinder 305 can drive the swing arm 304 to swing relatively in the mounting frame 301, thereby driving the end thereof connected to the splicing rubber roller 302 to extend or return from the upper part of the mounting frame 301 as needed.

[0033] In a specific embodiment, the second driving unit includes a second cylinder 306 installed in the mounting frame 301 and connected to the cutter 303 for driving the cutter 303 to extend or return from the upper part of the mounting frame 301 as needed.

[0034] In one specific embodiment, the third drive unit includes a vertical screw rod 307 connected to the mounting frame 301, and a third motor 308 connected to the vertical screw rod 307 for rotating the vertical screw rod 307. Specifically, in this embodiment, the third motor 308 drives the vertical screw rod 307 to rotate, thereby driving the mounting frame 301 to move vertically, so that the mounting frame 301 moves closer to or further away from the spare material roll 102 as needed.

[0035] In a specific embodiment, the glue assembly 20 includes a movable plate 201 installed on one side of the spare material roll 102, a first movable unit connected to the movable plate 201 for driving the movable plate 201 to move closer to or away from the spare material roll 102, a second movable unit connected to the movable plate 201 for driving the movable plate 201 to move axially along the axis of the spare material roll 102, a glue roller 202 installed on the movable plate 201, a tape unwinding shaft 203 and a tape receiving shaft 204 installed on both sides of the glue roller 202, and a fourth motor 205 connected to the tape receiving shaft 204 for driving the tape receiving shaft 204 to rotate. Specifically, please Figure 1 、 Figure 2 as well as Figure 3 When working, the double-sided tape is installed on the tape unwinding shaft 203, and its end is wound around the glue roller 202 close to the side of the spare material roll 102, and finally is wound through the tape take-up shaft 204. When gluing, when the end of the spare material roll 102 rotates to be close to the glue roller 202, the first moving unit drives the moving plate 201 to move close to the spare material roll 102, so that the glue roller 202 abuts against the end of the spare material roll 102, and then the second moving unit drives the moving plate 201 to move along the direction of adhering to the end of the spare material roll 102. During the movement, the fourth motor 205 is wound, so that the glue substrate on the double-sided tape roll can be effectively adhered to the end of the spare material roll 102, and the tape take-up shaft 204 is used to wind up the release paper of the double-sided tape.

[0036] In a specific embodiment, the first moving unit includes a first guide rail 206 installed at the bottom of the moving plate 201, a first transmission screw installed in the first guide rail 206 and connected to the moving plate 201, for driving the moving plate 201 to move along the length direction of the first guide rail 206 when rotating, and a fifth motor connected to the first transmission screw for driving the first transmission screw to rotate.

[0037] In one specific embodiment, the second moving unit includes a second guide rail 207 mounted at the bottom of the first guide rail 206, a second drive screw mounted within the second guide rail 207 and connected to the first guide rail 206, configured to drive the first guide rail 206 to move along the length of the second guide rail 207 during rotation, and a sixth motor connected to the second drive screw for rotating the second drive screw. Specifically, the lengths of the first guide rail 206 and the second guide rail 207 are perpendicular to each other, and the length of the second guide rail 207 is parallel to the axial direction of the selection axis of the standby material roll 102.

[0038] In a specific embodiment, a position sensor 208 is provided at one end of the movable plate 201 near the spare material roll 102; the position sensor 208 is used to detect the edge position of the spare material roll 102. Specifically, the position sensor 208 is a photoelectric sensor. The position sensor 208 is used to detect the edge position of the spare material roll 102 so that the adhesive pressing roller can accurately move from one end of the spare material roll 102 to the other end when it is able to move with the second movable unit, thereby performing precise adhesive application.

[0039] The utility model relates to an automatic unwinding and splicing device, which can automatically complete the gluing of the spare material roll 102 and its connection with the working material roll 103 through the arrangement of the unwinding rack 101, the gluing component 20 and the splicing component 30, has a high degree of automation and greatly improves industrial production efficiency.

[0040] The above embodiments merely illustrate several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the concept of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. An automatic unwinding and splicing device, characterized by: include The unwinding assembly includes an unwinding rack; the unwinding rack is provided with a standby station for installing and unwinding a standby roll, and a working station for installing and unwinding a working roll side by side; A gluing assembly, which is installed on one side of the standby station and is used to glue the end of the standby material roll located on the standby station; A splicing assembly is installed below the work station; wherein the splicing assembly includes a mounting frame, a splicing roller in the mounting frame, a cutter installed on the side of the splicing roller close to the work station, a first drive unit connected to the splicing roller and used to drive the splicing roller to extend upward from the mounting frame, a second drive unit connected to the cutter and used to drive the cutter to extend from the mounting frame, and a third drive unit connected to the mounting frame and used to drive the mounting frame close to or away from the spare material roll.

2. The automatic unwinding and splicing device according to claim 1, characterized in that: The unloading assembly also includes a turntable installed on the unloading rack, mounting shafts installed at both ends of the turntable for mounting the working material roll and the standby material roll respectively, so that the two ends of the turntable form the working station and the standby station, a first motor installed in the middle of the turntable for driving the turntable to rotate, and a second motor installed at the end of the turntable for driving the mounting shaft to rotate.

3. The automatic unwinding and splicing device according to claim 1, characterized in that: The first driving unit includes a swing arm and a first cylinder; the swing arm is installed in the mounting frame, and one end of the swing arm is rotatably connected to the mounting frame, and the other end is connected to the splicing rubber roller; the first cylinder is connected to the swing arm to drive the swing arm to swing, so that the end of the swing arm connected to the splicing rubber roller extends or returns from the upper part of the mounting frame as needed.

4. The automatic unwinding and splicing device according to claim 1, characterized in that: The second driving unit includes a second cylinder installed in the mounting frame and connected to the cutter, and is used to drive the cutter to extend or return from the upper part of the mounting frame as needed.

5. The automatic unwinding and splicing device according to claim 1, characterized in that: The third driving unit includes a vertical screw rod connected to the mounting bracket, and a third motor connected to the vertical screw rod for driving the vertical screw rod to rotate.

6. The automatic unwinding and splicing device according to claim 1, characterized in that: The glue-applying assembly includes a movable plate installed on one side of the spare material roll, a first movable unit connected to the movable plate and used to drive the movable plate to approach or move away from the spare material roll, a second movable unit connected to the movable plate and used to drive the movable plate to move axially along the axis of the spare material roll, a glue-applying roller installed on the movable plate, a tape unwinding shaft and a tape receiving shaft installed on both sides of the glue-applying roller, and a fourth motor connected to the tape receiving shaft and used to drive the tape receiving shaft to rotate.

7. The automatic unwinding and splicing device according to claim 6, characterized in that: The first moving unit includes a first guide rail installed at the bottom of the moving plate, a first transmission screw installed in the first guide rail and connected to the moving plate, used to drive the moving plate to move along the length direction of the first guide rail when rotating, and a fifth motor connected to the first transmission screw and used to drive the first transmission screw to rotate.

8. The automatic unwinding and splicing device according to claim 7, characterized in that: The second moving unit includes a second guide rail installed at the bottom of the first guide rail, a second transmission screw installed in the second guide rail and connected to the first guide rail, for driving the first guide rail to move along the length direction of the second guide rail when rotating, and a sixth motor connected to the second transmission screw for driving the second transmission screw to rotate.

9. The automatic unwinding and splicing device according to claim 6, characterized in that: A position sensor is provided at one end of the movable plate close to the spare material roll; the position sensor is used to detect the end edge position of the spare material roll.

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