Automatic belt splicing device

Abstract

The utility model relates to an automatic tape splicing device. The automatic tape splicing device comprises a first unwinding mechanism, a second unwinding mechanism, an adsorption mechanism, a tape pressing mechanism and a rubberizing mechanism, the first unwinding mechanism bears a first material roll and releases a first material belt, and the second unwinding mechanism bears a second material roll and releases a second material belt; the adsorption mechanism adsorbs the head end of the second material belt; an adhesive tape extending out of the end part of the second material belt is adhered to the head end of the second material belt; a feeding gap is formed between the belt pressing mechanism and the rubberizing mechanism, the released first material belt and the released second material belt are guided out through the feeding gap, and the belt pressing mechanism moves towards the rubberizing mechanism so that the end of the second material belt located in the feeding gap can abut against the first material belt in a pressing mode; and the adhesive tape pasting mechanism drives the second material belt and the first material belt which are pressed together to move, so that the adhesive tape extending out of the head end of the second material belt is pasted on the first material belt. In the whole material roll changing process, feeding of the first material strip does not need to be stopped, the production efficiency of strip splicing is improved, operation continuity is guaranteed, and the production cost is reduced.

Description

Technical Field

[0001] The present application relates to a laminating machine in lithium battery production equipment, and more specifically to an automatic tape splicing device. Background Art

[0002] There are generally three types of rolls used in stacking machines, namely, diaphragm rolls, positive electrode rolls, and negative electrode rolls. When the rolls are about to run out, a new roll needs to be replaced, and then the head end of the roll in the new roll is connected to the end of the roll in the old roll.

[0003] The existing method of connecting the new tape with the old tape is to first stop the machine to stop the feeding of the old roll, then manually stick the tape end of the new roll with tape, and then stick the leaked part of the tape to the end of the old roll. The entire roll replacement process is manually operated. This method of splicing requires stopping the feeding of the old roll, which affects the continuity of production operations and leads to low production efficiency. Utility Model Content

[0004] The present application aims to solve the problem of low production efficiency of the existing material tape splicing method in a laminating machine and provides a highly efficient automatic tape splicing device.

[0005] The technical solution of the present application is as follows: an automatic tape splicing device, comprising a first unwinding mechanism, a second unwinding mechanism, an adsorption mechanism, a tape pressing mechanism and a glue sticking mechanism; wherein:

[0006] The first unwinding mechanism is configured to carry a first material roll and release a first material tape on the first material roll, and the second unwinding mechanism is configured to carry a second material roll and release a second material tape on the second material roll. The first material roll is a material roll in use, and the second material roll is a material roll to be connected.

[0007] The adsorption mechanism is configured to adsorb the head end of the second material strip; the head end of the second material strip is adhered with an adhesive tape extending from the end thereof;

[0008] A feeding gap is formed between the belt pressing mechanism and the gluing mechanism, and the released first and second belts are both led out through the feeding gap. The belt pressing mechanism is configured to move toward the gluing mechanism to press the end of the second belt in the feeding gap against the first belt.

[0009] The glue sticking mechanism is configured to drive the second material tape and the first material tape pressed together to move, so that the adhesive tape extending from the head end of the second material tape is stuck to the first material tape.

[0010] The first material tape and the second material tape are respectively carried by two unwinding mechanisms, the head end of the second material tape is sucked by the adsorption mechanism, the second material tape is pressed against the first material tape by the tape pressing mechanism, and the tape extending from the end of the second material tape is adhered to the first material tape by the adhesive sticking mechanism, so as to realize the connection between the second material tape and the first material tape. During the whole process of changing the material roll, there is no need to stop the feeding of the first material tape, which improves the tape splicing efficiency and ensures the continuity of the operation.

[0011] Optionally, the first unwinding mechanism includes a first driver and a first mounting seat, the first mounting seat is mounted on a driving end of the first driver; the first mounting seat is configured to fix the first material roll, and the first driver is configured to drive the first mounting seat to rotate;

[0012] The second unwinding mechanism includes a second driver and a second mounting seat, wherein the second mounting seat is mounted on the driving end of the second driver; the second mounting seat is configured to fix the second material roll, and the second driver is configured to drive the second mounting seat to rotate.

[0013] The two unwinding mechanisms respectively drive the mounting base to rotate through the driver, thereby realizing the unwinding of the material roll fixed on the mounting base; the two unwinding mechanisms have the same structure, which is convenient for manufacturing and installation.

[0014] Optionally, the automatic tape splicing device further comprises a swing roller mechanism, on which the first unwinding mechanism and the second unwinding mechanism are symmetrically mounted; the swing roller mechanism is configured to drive the first unwinding mechanism and the second unwinding mechanism to rotate, so that the first unwinding mechanism and the second unwinding mechanism exchange positions.

[0015] The new coil is moved to the position of the old coil by the swing roller mechanism, so that the stacking machine can continue to produce in the original working mode and it is convenient for manual unloading of the used coil and provision of new coil at the same position.

[0016] Optionally, the swing roller mechanism includes a third driver, a mounting plate and a swing roller assembly;

[0017] The mounting plate and the swing roller assembly are both mounted on the driving end of the third driver; the first unwinding mechanism and the second unwinding mechanism are mounted on the mounting plate and are symmetrically arranged on both sides of the third driver;

[0018] The swing roller assembly comprises a swing roller shaft, two side plates, a first swing roller and a second swing roller. The swing roller shaft is mounted on the driving end of the third driver. The first swing roller and the second swing roller are symmetrically mounted on both sides of the axial direction of the swing roller shaft through the two side plates. The central axes of the first swing roller, the second swing roller, the swing roller shaft, the first mounting seat and the second mounting seat are all parallel.

[0019] Before the first material belt and the second material belt are connected, the first material belt is guided to the feeding gap via the first swing roller; after the first material belt and the second material belt are connected and the first unwinding mechanism and the second unwinding mechanism are interchanged, the first swing roller and the second swing roller are interchanged, and the second material belt is guided to the feeding gap via the second swing roller.

[0020] By arranging the two swing rollers and the two mounting seats into a cross-symmetrical structure, the balance is good, and the two swing rollers can be accurately interchanged to ensure the consistency of the material belt unwinding path after the new and old material belts are connected.

[0021] Optionally, the adsorption mechanism includes a fourth driver and an adsorption roller, the adsorption roller is installed at the driving end of the fourth driver, and the adsorption roller is provided with an adsorption hole for adsorbing the second material strip;

[0022] The fourth driver is configured to drive the adsorption roller to rotate.

[0023] The second material tape is adsorbed through the adsorption holes on the adsorption roller, and the adsorption roller is driven to rotate by the fourth driver, so as to prevent the second material tape adsorbed on the adsorption roller from falling off, so that the second material tape can be attached to the adsorption roller with a larger area to rotate with the adsorption roller.

[0024] Optionally, an anti-sticking area and a cutting groove are provided on the adsorption roller; the adsorption holes, the cutting groove and the anti-sticking area are arranged in sequence along the circumference of the adsorption roller, and the cutting groove is configured to cooperate with cutting off the excess part of the head end of the second material tape. After the tape is applied to the end of the second material tape obtained after cutting, the part of the tape extending from the end of the second material tape is located on the anti-sticking area.

[0025] By setting an anti-sticking zone on the adsorption roller, the tape corresponding to the position of the anti-sticking zone will not stick to the adsorption roller, which can prevent the tape from sticking the head end of the material tape to the adsorption roller and affecting the detachment of the material tape from the adsorption roller; by setting a cutting groove, the excess part of the head end of the material tape can be cut off before the tape is attached to the material tape, so that the head end of the material tape is neat, and the anti-sticking effect of the anti-sticking zone will not be affected by the head end of the material tape spanning between the adsorption hole and the anti-sticking zone.

[0026] Optionally, the anti-sticking area is a plurality of stepped grooves distributed along the circumference of the adsorption roller; or, the anti-sticking area is an anti-sticking coating.

[0027] The anti-sticking area is configured as a plurality of stepped grooves or an anti-sticking coating, which can be selected according to actual conditions, thereby increasing the flexibility of selection.

[0028] Optionally, the belt pressing mechanism includes a fifth driver and a pressing roller, the pressing roller is mounted on the adsorption mechanism, and the fifth driver is configured to drive the pressing roller to press against the gluing mechanism.

[0029] By installing the pressing roller on the adsorption mechanism, the pressing roller and the adsorption mechanism are integrated together, so that the space around the adsorption mechanism can be fully utilized, the layout of the entire device is compact, and the volume of the entire device is reduced.

[0030] Optionally, the fifth drive is two;

[0031] The adsorption mechanism comprises an adsorption roller, and connecting plates are respectively installed at both ends of the adsorption roller, and the first ends of the two connecting plates respectively correspond to the driving end of a fifth driver, and a pressure roller is installed between the second ends of the two connecting plates;

[0032] The two fifth drivers are configured to respectively drive the first end of a connecting plate to drive the second end of the connecting plate and the pressure roller to rotate around the rotating shaft of the adsorption roller so that the pressure roller approaches or moves away from the glue laminating mechanism.

[0033] By configuring two fifth drivers to drive the first ends of the two connecting plates, the pressure roller installed at the second ends of the two connecting plates rotates around the rotating axis of the adsorption roller, thereby making the pressure roller approach or move away from the glue laminating mechanism; two fifth drivers are set to drive synchronously, the movement is smooth, and the pressure roller will not produce unbalanced load when swinging.

[0034] Optionally, the gluing mechanism includes a sixth driver and a driving roller, the driving roller is installed at the driving end of the sixth driver, and the sixth driver is configured to drive the second material tape and the first material tape located between the belt pressing mechanism and the driving roller to move, so that the adhesive tape extending from the head end of the second material tape is adhered to the first material tape.

[0035] The driving roller is driven to rotate by the sixth driver, so that the second material belt located between the belt pressing mechanism and the driving roller moves together with the first material belt, and then the head end of the second material belt leaves the adsorption roller until the tape extending from the head end of the second material belt is compressed and adhered to the first material belt, thereby realizing the continuation of the second material belt and the first material belt.

[0036] The automatic tape splicing device further comprises a plurality of rollers, which are installed in the moving path of the first material tape.

[0037] By installing a plurality of rollers on the moving path of the first material belt, the first material belt is guided and reversed, so that the moving path of the first material belt meets predetermined requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 This is a schematic diagram of a three-dimensional structure of an optional embodiment of the present application;

[0039] Figure 2 for Figure 1 The main view;

[0040] Figure 3 for Figure 2A partial enlarged view of the coordination between the adsorption mechanism, the belt pressing mechanism and the glue sticking mechanism;

[0041] Figure 4 for Figure 2 Right view of;

[0042] Figure 5 For Figure 1 Schematic diagram of the three-dimensional structure observed from the rear;

[0043] Figure 6 for Figure 5 The main view;

[0044] Figure 7 for Figure 1 A schematic diagram of the three-dimensional structure of the swing roller mechanism;

[0045] Figure 8 for Figure 7 Schematic diagram of the three-dimensional structure from another perspective;

[0046] Fig. 9 for Figure 8 The main view;

[0047] Fig.10 for Figure 3 An enlarged view of the three-dimensional structure of the adsorption roller.

[0048] Figures 1 to 10 Including:

[0049] Automatic tape splicing device 1;

[0050] A first unwinding mechanism 10, a first driver 11, and a first mounting seat 12;

[0051] A second unwinding mechanism 20, a second driver 21, and a second mounting seat 22;

[0052] A swing roller mechanism 30, a third driver 31, a mounting plate 32, a swing roller assembly 33, a swing roller shaft 331, a side plate 332, a first swing roller 333, and a second swing roller 334;

[0053] Adsorption mechanism 40, fourth driver 41, adsorption roller 42, adsorption hole 421, cutting groove 422, anti-adhesion area 423, connecting plate 424;

[0054] The belt pressing mechanism 50, the fifth driver 51, and the pressing roller 52;

[0055] Gluing mechanism 60, sixth driver 61, driving roller 62;

[0056] Roller 70;

[0057] A first material roll 100 , a first material tape 101 , a second material roll 200 , a second material tape 201 , an adhesive tape 300 , and a frame 400 . DETAILED DESCRIPTION

[0058] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0059] like Figure 1 to Figure 6 As shown, the present application is an automatic tape splicing device 1, which is used in a laminating machine. When the old tape in the laminating machine is about to run out, the head end of the new tape is spliced ​​to the end of the old tape that is about to run out. The tape can be a diaphragm, a positive electrode sheet or a negative electrode sheet.

[0060] The automatic tape splicing device 1 mainly comprises a first unwinding mechanism 10 , a second unwinding mechanism 20 , an adsorption mechanism 40 , a tape pressing mechanism 50 and a glue sticking mechanism 60 . These mechanisms are all mounted on a frame 400 .

[0061] Wherein: the first unwinding mechanism 10 is configured to carry the first material roll 100 and release the first material tape 101 on the first material roll 100, the second unwinding mechanism 20 is configured to carry the second material roll 200 and release the second material tape 201 on the second material roll 200, the first material roll 100 is the material roll in use, and the second material roll 200 is the material roll to be connected;

[0062] The adsorption mechanism 40 is configured to adsorb the head end of the second material tape 201; the head end of the second material tape 201 is attached with an adhesive tape 300 extending from the end thereof;

[0063] A feeding gap is formed between the tape pressing mechanism 50 and the gluing mechanism 60. The released first tape 101 and the second tape 201 are both led out through the feeding gap. The tape pressing mechanism 50 is configured to move toward the gluing mechanism 60 to press the end of the second tape 201 located in the feeding gap against the first tape 101.

[0064] The gluing mechanism 60 is configured to drive the second material tape 201 and the first material tape 101 pressed together to move so that the adhesive tape 300 extending from the head end of the second material tape 201 is adhered to the first material tape 101 .

[0065] The first material tape 101 and the second material tape 201 are respectively carried by two unwinding mechanisms (i.e., the first unwinding mechanism 10 and the second unwinding mechanism 20), the head end of the second material tape 201 is sucked by the adsorption mechanism 40, the second material tape 201 is pressed against the first material tape 101 by the tape pressing mechanism 50, and the tape 300 extending from the end of the second material tape 201 is adhered to the first material tape 101 by the gluing mechanism 60, so as to realize the connection between the second material tape 201 and the first material tape 101. During the whole material roll changing process, there is no need to stop the feeding of the first material tape 101, thereby improving the tape connection efficiency and ensuring the continuity of the operation.

[0066] As an optional implementation, the first unwinding mechanism 10 and the second unwinding mechanism 20 have the same structure.

[0067] The first unwinding mechanism 10 includes a first driver 11 and a first mounting seat 12. The first mounting seat 12 is mounted on the driving end of the first driver 11. The first mounting seat 12 is configured to fix the first material roll 100, and the first driver 11 is configured to drive the first mounting seat 12 to rotate.

[0068] The second unwinding mechanism 20 includes a second driver 21 and a second mounting seat 22 . The second mounting seat 22 is mounted on the driving end of the second driver 21 . The second mounting seat 22 is configured to fix the second material roll 200 , and the second driver 21 is configured to drive the second mounting seat 22 to rotate.

[0069] The two unwinding mechanisms respectively drive the mounting base to rotate through the driver, thereby realizing the unwinding of the material roll fixed on the mounting base; the two unwinding mechanisms have the same structure, which is convenient for manufacturing and installation.

[0070] In this embodiment, the first driver 11 and the second driver 21 are motors, respectively, and the first mounting seat 12 and the second mounting seat 22 are rollers, respectively.

[0071] In one embodiment, the automatic tape splicing device 1 may further include a swing roller mechanism 30, wherein the first unwinding mechanism 10 and the second unwinding mechanism 20 are symmetrically mounted on the swing roller mechanism 30. The swing roller mechanism 30 is configured to drive the first unwinding mechanism 10 and the second unwinding mechanism 20 to rotate, so that the first unwinding mechanism 10 and the second unwinding mechanism 20 exchange positions.

[0072] The new coil is moved to the original position of the old coil by the swing roller mechanism 30, so that the laminating machine can continue production according to the original working mode and it is convenient for manual unloading of the used coil and provision of the new coil at the same position.

[0073] like Figure 7 to Figure 9 As shown, in one embodiment, optionally, the swing roller mechanism 30 includes a third driver 31, a mounting plate 32 and a swing roller assembly 33;

[0074] The mounting plate 32 and the swing roller assembly 33 are both mounted on the driving end of the third driver 31, and the third driver 31 is mounted on the frame 400; the first unwinding mechanism 10 and the second unwinding mechanism 20 are mounted on the mounting plate 32, and are symmetrically arranged on both sides of the third driver 31;

[0075] The swing roller assembly 33 includes a swing roller shaft 331, two side plates 332, a first swing roller 333, and a second swing roller 334. The swing roller shaft 331 is installed at the driving end of the third driver 31. The first swing roller 333 and the second swing roller 334 are symmetrically installed on both sides of the axial direction of the swing roller shaft 331 through the two side plates 332. The central axes of the first swing roller 333, the second swing roller 334, the swing roller shaft 331, the first mounting seat 12, and the second mounting seat 22 are all parallel.

[0076] Before the first material belt 101 and the second material belt 201 are connected, the first material belt 101 is guided to the feeding gap via the first swing roller 333; after the first material belt 101 and the second material belt 201 are connected and the first unwinding mechanism 10 and the second unwinding mechanism 20 are interchanged, the first swing roller 333 and the second swing roller 334 are interchanged, and the second material belt 201 is guided to the feeding gap via the second swing roller 334.

[0077] By arranging the two swing rollers and the two mounting seats into a cross-symmetrical structure, the balance is good, and the two swing rollers can be accurately interchanged to ensure the consistency of the material belt unwinding path after the new and old material belts are connected.

[0078] In this embodiment, optionally, there are two mounting plates 32, wherein one side plate 332 is located between the two mounting plates 32. Optionally, the third driver 31 is a motor.

[0079] See also Figure 1 to Figure 6 In one embodiment, optionally, the adsorption mechanism 40 includes a fourth driver 41 and an adsorption roller 42, the adsorption roller 42 is installed at the driving end of the fourth driver 41, and the adsorption roller 42 is provided with an adsorption hole 421 for adsorbing the second material belt 201; the fourth driver 41 is configured to drive the adsorption roller 42 to rotate.

[0080] The second material tape 201 is adsorbed through the adsorption holes 421 on the adsorption roller 42, and the adsorption roller 42 is driven to rotate by the fourth driver 41, so as to prevent the second material tape 201 adsorbed on the adsorption roller 42 from falling off, so that the second material tape 201 can be attached to the adsorption roller 42 with a larger area to rotate with the adsorption roller 42.

[0081] Optionally, the fourth driver 41 includes a motor and a belt transmission mechanism. The motor and the adsorption roller 42 are installed on both sides of the frame 400, and the motor drives the adsorption roller 42 to rotate through the belt transmission mechanism.

[0082] like Fig.10As shown, in one of the embodiments, optionally, a non-sticking area 423 and a cutting groove 422 are provided on the adsorption roller 42; the adsorption holes 421, the cutting groove 422 and the non-sticking area 423 are arranged in sequence along the circumference of the adsorption roller 42, and the cutting groove 422 is configured to cooperate with manual or cutting knife to cut off the excess part of the head end of the second material tape 201, and after the tape 300 is applied to the end of the second material tape 201 obtained after cutting, the part of the tape 300 extending from the end of the second material tape 201 is located on the non-sticking area 423.

[0083] By providing an anti-sticking zone 423 on the adsorption roller 42, the tape 300 corresponding to the position of the anti-sticking zone 423 will not stick to the adsorption roller 42, which can prevent the tape 300 from sticking the head end of the material tape to the adsorption roller 42 and affecting the detachment of the material tape from the adsorption roller 42; by providing a cutting groove 422, the excess part of the head end of the material tape can be cut off before the material tape is attached to the tape 300, so that the head end of the material tape is neat, and the anti-sticking effect of the anti-sticking zone 423 will not be affected by the head end of the material tape spanning over the adsorption hole 421 and the anti-sticking zone 423.

[0084] Optionally, the anti-sticking area 423 is a plurality of stepped grooves distributed along the circumference of the adsorption roller 42; or, the anti-sticking area 423 is an anti-sticking coating.

[0085] The anti-sticking area 423 is configured as a plurality of stepped grooves or an anti-sticking coating, which can be selected according to actual conditions to increase the flexibility of selection.

[0086] like Figure 1 to Figure 4 As shown, in one of the embodiments, optionally, the belt pressing mechanism 50 includes a fifth driver 51 and a pressure roller 52 , the pressure roller 52 is installed on the adsorption mechanism 40 , and the fifth driver 51 is configured to drive the pressure roller 52 to press against the glue laminating mechanism 60 .

[0087] By installing the pressing roller 52 on the adsorption mechanism 40, the pressing roller 52 and the adsorption mechanism 40 are integrated together, so that the space around the adsorption mechanism 40 can be fully utilized, the layout of the entire device is compact, and the volume of the entire device is reduced.

[0088] In this embodiment, optionally, there are two fifth drivers 51. At this time, connecting plates 424 are respectively installed at both ends of the adsorption roller 42 of the adsorption mechanism 40, and the first ends of the two connecting plates 424 correspond to the driving end of the fifth driver 51, and the pressure roller 52 is installed between the second ends of the two connecting plates 424. The two connecting plates 424 are sleeved on both ends of the adsorption roller 42, but do not rotate with the adsorption roller 42.

[0089] The two fifth drivers 51 are configured to respectively drive the first end of a connecting plate 424 to drive the second end of the connecting plate 424 and the pressure roller 52 to rotate around the rotation axis of the adsorption roller 42, so that the pressure roller 52 approaches or moves away from the gluing mechanism 60. Optionally, the fifth driver 51 is a cylinder.

[0090] By configuring two fifth drivers 51 to drive the first ends of the two connecting plates 424, the pressure roller 52 installed at the second ends of the two connecting plates 424 rotates around the rotation axis of the adsorption roller 42, thereby making the pressure roller 52 approach or move away from the glue laminating mechanism 60; the two fifth drivers 51 are set to drive synchronously, the movement is smooth, and the pressure roller 52 will not produce unbalanced load when swinging.

[0091] like Figure 1 to Figure 6 As shown, in one of the embodiments, optionally, the gluing mechanism 60 includes a sixth driver 61 and a driving roller 62, and the driving roller 62 is installed at the driving end of the sixth driver 61. The sixth driver 61 is configured to drive the second material tape 201 and the first material tape 101 located between the tape pressing mechanism 50 and the driving roller 62 to move, so that the tape 300 extending from the head end of the second material tape 201 is adhered to the first material tape 101.

[0092] The driving roller 62 is driven to rotate by the sixth driver 61, so that the second material tape 201 located between the tape pressing mechanism 50 and the driving roller 62 moves together with the first material tape 101, and then the leading end of the second material tape 201 leaves the adsorption roller 42 until the adhesive tape 300 extending from the leading end of the second material tape 201 is compressed and adhered to the first material tape 101, thereby realizing the continuation of the second material tape 201 and the first material tape 101.

[0093] Optionally, the sixth driver 61 includes a motor and a belt transmission mechanism. The motor and the driving roller 62 are installed on both sides of the frame 400, and the motor drives the driving roller 62 to rotate through the belt transmission mechanism.

[0094] like Figure 1 to Figure 4 As shown, in one embodiment, optionally, the automatic tape splicing device 1 further includes a plurality of rollers 70, which are installed in the moving path of the first material tape 101. The rollers 70 are driven and play a guiding role. In the illustrated embodiment, two rollers 70 are included, which are installed above and below the driving roller 62, respectively.

[0095] By installing a plurality of rollers 70 on the moving path of the first material belt 101, the first material belt 101 is guided and reversed, so that the moving path of the first material belt 101 meets predetermined requirements.

[0096] like Figure 2 , Figure 3 As shown, the working process of this application is as follows:

[0097] 1. Before automatically splicing the tape, it is necessary to manually install the second tape roll 200 (i.e., the new tape roll) on the second unwinding mechanism 20, and place the head end of the second tape 201 (i.e., the new tape) on the adsorption roller 42 according to the path, and then cut the head end of the new tape flat with a blade, and use a single-sided adhesive tape 300 to stick half of it to the new tape and the other half to the anti-adhesion area 423 of the adsorption roller 42;

[0098] 2. The suction roller 42 rotates a certain angle, such as Figure 3 At the location shown;

[0099] 3. The fifth driver 51 of the belt pressing mechanism 50 drives the pressing roller 52 to rotate, so that the pressing roller 52 approaches the driving roller 62, and the pressing roller 52 presses the new and old belts together on the driving roller 62. At this time, the head end of the new belt is still on the adsorption roller 42;

[0100] 4. The driving roller 62 drives the new and old material strips to move downward together, which is equivalent to pulling the new and old material strips downward until the head end of the new material strip leaves the adsorption roller 42 and moves to between the pressing roller 52 and the driving roller 62. The pressure between the pressing roller 52 and the driving roller 62 realizes the bonding connection between the new and old material strips.

[0101] 5. The fifth driver 51 drives the pressure roller 52 to rotate, so that the pressure roller 52 moves away from the driving roller 62, and the pressure roller 52 loosens the old and new material strips that have been pasted together. Then, the third driver 31 of the swing roller mechanism 30 drives the mounting seats of the two material rolls to rotate 180 degrees. Finally, the equipment continues to produce according to the original working mode.

[0102] The present application is described in sufficient detail above with certain particularity. It should be understood by those skilled in the art that the description in the embodiments is merely exemplary, and all changes made without departing from the true spirit and scope of the present application should fall within the scope of protection of the present application. The scope of protection claimed in the present application is defined by the claims, rather than by the above description in the embodiments.

Claims

1. An automatic tape splicing device, characterized in that: The automatic tape splicing device comprises a first unwinding mechanism, a second unwinding mechanism, an adsorption mechanism, a tape pressing mechanism and a glue sticking mechanism; wherein: The first unwinding mechanism is configured to carry a first material roll and release a first material tape on the first material roll, and the second unwinding mechanism is configured to carry a second material roll and release a second material tape on the second material roll, the first material roll is a material roll in use, and the second material roll is a material roll to be connected; The adsorption mechanism is configured to adsorb the head end of the second material strip; the head end of the second material strip is adhered with an adhesive tape extending from the end thereof; A feeding gap is formed between the belt pressing mechanism and the gluing mechanism, and the released first material belt and the second material belt are both led out through the feeding gap. The belt pressing mechanism is configured to move toward the gluing mechanism to press the end of the second material belt located in the feeding gap against the first material belt; The adhesive sticking mechanism is configured to drive the second material tape and the first material tape pressed together to move so that the adhesive tape extending from the head end of the second material tape is stuck to the first material tape.

2. The automatic tape splicing device according to claim 1, characterized in that: The first unwinding mechanism includes a first driver and a first mounting seat, wherein the first mounting seat is mounted on a driving end of the first driver; the first mounting seat is configured to fix the first material roll, and the first driver is configured to drive the first mounting seat to rotate; The second unwinding mechanism includes a second driver and a second mounting seat, wherein the second mounting seat is mounted on the driving end of the second driver; the second mounting seat is configured to fix the second material roll, and the second driver is configured to drive the second mounting seat to rotate.

3. The automatic tape splicing device according to claim 2, characterized in that: The automatic tape splicing device also includes a swing roller mechanism, and the first unwinding mechanism and the second unwinding mechanism are symmetrically mounted on the swing roller mechanism; the swing roller mechanism is configured to drive the first unwinding mechanism and the second unwinding mechanism to rotate, so that the first unwinding mechanism and the second unwinding mechanism exchange positions.

4. The automatic tape splicing device according to claim 3, characterized in that: The swing roller mechanism comprises a third driver, a mounting plate and a swing roller assembly; The mounting plate and the swing roller assembly are both mounted on the driving end of the third driver; the first unwinding mechanism and the second unwinding mechanism are mounted on the mounting plate and are symmetrically arranged on both sides of the third driver; The swing roller assembly comprises a swing roller shaft, two side plates, a first swing roller and a second swing roller, wherein the swing roller shaft is mounted on the driving end of the third driver, the first swing roller and the second swing roller are symmetrically mounted on both sides of the swing roller shaft through the two side plates, and the central axes of the first swing roller, the second swing roller, the swing roller shaft, the first mounting seat and the second mounting seat are all parallel; Before the first material tape and the second material tape are connected, the first material tape is guided to the feeding gap via the first swing roller; after the first material tape and the second material tape are connected and the first unwinding mechanism and the second unwinding mechanism are interchanged, the first swing roller and the second swing roller are interchanged, and the second material tape is guided to the feeding gap via the second swing roller.

5. The automatic tape splicing device according to claim 1, characterized in that: The adsorption mechanism comprises a fourth driver and an adsorption roller, wherein the adsorption roller is mounted on the driving end of the fourth driver, and the adsorption roller is provided with an adsorption hole for adsorbing the second material strip; The fourth driver is configured to drive the adsorption roller to rotate.

6. The automatic tape splicing device according to claim 5, characterized in that: The adsorption roller is provided with an anti-sticking area and a cutting groove; the adsorption hole, the cutting groove and the anti-sticking area are arranged in sequence along the circumference of the adsorption roller, and the cutting groove is configured to cooperate with cutting off the excess part of the head end of the second material tape. After the tape is applied to the end of the second material tape obtained after cutting, the part of the tape extending from the end of the second material tape is located on the anti-sticking area.

7. The automatic tape splicing device according to claim 6, characterized in that: The anti-sticking area is a plurality of stepped grooves distributed along the circumference of the adsorption roller; or, the anti-sticking area is an anti-sticking coating.

8. The automatic tape splicing device according to claim 1, characterized in that: The belt pressing mechanism includes a fifth driver and a pressing roller. The pressing roller is installed on the adsorption mechanism. The fifth driver is configured to drive the pressing roller to press against the glue laminating mechanism.

9. The automatic tape splicing device according to claim 8, characterized in that: The number of the fifth drivers is two; The adsorption mechanism comprises an adsorption roller, and connecting plates are respectively installed at both ends of the adsorption roller, and the first ends of the two connecting plates respectively correspond to the driving ends of the fifth driver, and the pressure roller is installed between the second ends of the two connecting plates; The two fifth drivers are configured to respectively drive the first end of one of the connecting plates to drive the second end of the connecting plate and the pressure roller to rotate around the rotation axis of the adsorption roller so that the pressure roller approaches or moves away from the gluing mechanism.

10. The automatic tape splicing device according to claim 1, characterized in that: The glue-applying mechanism includes a sixth driver and a driving roller, wherein the driving roller is installed at the driving end of the sixth driver, and the sixth driver is configured to drive the second material tape and the first material tape located between the belt pressing mechanism and the driving roller to move so that the adhesive tape extending from the head end of the second material tape is adhered to the first material tape.

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