Double-sided tape splicing device and negative pressure suction assembly thereof

Abstract

The utility model discloses a negative pressure suction assembly which comprises a double-face negative pressure plate and a pressing and cutting assembly. The double-face negative pressure plate comprises a negative pressure suction frame, first negative pressure plates are installed on the two sides of the negative pressure suction frame respectively, the sides, opposite to each other, of the two first negative pressure plates are arranged to be first negative pressure suction faces, and pressure cutting faces are arranged on the negative pressure suction frame and correspond to the first negative pressure suction faces. The pressing and cutting assembly comprises a pressing and cutting frame, and two pressing and cutting units corresponding to the two pressing and cutting faces are installed on the pressing and cutting frame. The pressing and cutting unit comprises a pressing plate mechanism and a cutter mechanism; the pressing plate mechanism comprises a pressing plate used for pressing and fixing the strip to the pressing face and a pressing plate driving mechanism used for driving the pressing plate to move. The cutter mechanism comprises a cutter for cutting off the strip pressed and fixed on the pressing surface and a cutter driving mechanism for driving the cutter to move; the negative pressure suction frame and the pressing and cutting frame are fixedly connected or arranged into a whole. The utility model further discloses a double-sided tape splicing device.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of tape connection devices, specifically a double-sided tape connection device and its negative pressure suction assembly. BACKGROUND

[0002] In the production and manufacturing process of battery cell, pole piece and diaphragm are all strip material, and continuous feeding is realized by adopting the mode of coiling material unwinding. Two unwinding stations are generally arranged in the prior art, and the two unwinding stations are respectively placed with coiled material. When the first coiled material is unwound, the head end of the second coiled material needs to be connected with the tail end of the first coiled material to prevent the equipment from stopping. Therefore, how to quickly, efficiently and accurately realize the connection of the two coiled materials becomes one of the important factors restricting the production efficiency of battery cell.

[0003] The utility model discloses a tape connection device, which connects the tail end of the first coiled material and the head end of the second coiled material by negative pressure suction, and then pastes adhesive tape between the tail end of the first coiled material and the head end of the second coiled material. Although this tape connection device can meet the use requirement of continuous tape connection to some extent, it still has the following disadvantages: 1) the adhesive tape is only pasted on one side of the tail end of the first coiled material and the head end of the second coiled material, which leads to insufficient connection strength; 2) the tail end of the first coiled material is difficult to position, which leads to the tail end of the first coiled material and the head end of the second coiled material being unable to be quickly aligned, resulting in reduced tape connection efficiency. SUMMARY

[0004] Therefore, in order to solve the problems existing in the prior art, the utility model aims to provide a double-sided tape connection device and its negative pressure suction assembly.

[0005] To achieve the above-mentioned purposes, the utility model provides the following technical scheme:

[0006] The utility model discloses a negative pressure suction assembly first, which comprises a double-sided negative pressure plate and a pressure cutting assembly.

[0007] The double-sided negative pressure plate comprises a negative pressure suction frame, and first negative pressure plates are respectively arranged on the two sides of the negative pressure suction frame. The side opposite to the first negative pressure plate of each first negative pressure plate is a first negative pressure suction surface. A pressure cutting surface corresponding to the first negative pressure suction surface is arranged on the negative pressure suction frame.

[0008] The pressure cutting assembly comprises a pressure cutting frame, and two pressure cutting units corresponding to the two pressure cutting surfaces are respectively arranged on the pressure cutting frame. The pressure cutting unit comprises a pressure plate mechanism and a cutter mechanism. The pressure plate mechanism comprises a pressure plate for tightly fixing the strip material on the pressure cutting surface and a pressure plate driving mechanism for driving the pressure plate to move. The cutter mechanism comprises a cutter for cutting the strip material tightly fixed on the pressure cutting surface and a cutter driving mechanism for driving the cutter to move.

[0009] The negative pressure suction frame and the pressure cutting frame are fixedly connected or integrated.

[0010] Further, the pressure plate is provided with two blocks, and a cutting slot is arranged between the two blocks, and the cutting knife is arranged in position with the cutting slot.

[0011] The utility model discloses still proposed a double -sided tape -winding device, including fixed backplate, install the push rubber tape assembly on the fixed backplate, the both sides of push rubber tape assembly are equipped with the tape -winding assembly and the negative pressure suction subassembly of like above respectively,

[0012] The push rubber tape assembly comprises a push rubber tape frame, and push rubber tape units are arranged at the two sides of the push rubber tape frame and located at the two sides of the negative pressure suction frame, the push rubber tape units are used for pushing the rubber tape to the strip material to realize the strip material tape winding, and a first swing driving mechanism is arranged on the fixed backplate and is used for driving the push rubber tape frame to swing along the first direction perpendicular to the strip material conveying direction.

[0013] The push rubber tape frame and the negative pressure suction frame are slidably connected along the second direction parallel to the strip material conveying direction, a moving driving mechanism is arranged on the push rubber tape frame, and the moving driving mechanism is used for driving the negative pressure suction frame to move along the second direction relative to the push rubber tape frame.

[0014] The tape -winding assembly comprises a tape -winding frame, a tape -winding roller group is installed on the tape -winding frame, the tape -winding roller group comprises two tape -winding rollers, a roller gap adjusting mechanism and a tape -winding driving mechanism, the roller gap adjusting mechanism is used for adjusting the roller gap between the two tape -winding rollers to clamp the strip material, and the tape -winding driving mechanism is used for controlling the conveying distance of the clamped strip material, and a second swing driving mechanism is arranged on the backplate and is used for driving the tape -winding frame to swing along the first direction.

[0015] Further, the push rubber tape unit comprises a rubber tape mounting frame for mounting the rubber tape and a rubber tape pushing plate for pushing the rubber tape to the negative pressure suction frame, a hollow area for mounting the rubber tape is arranged in the rubber tape mounting frame, the outer dimension of the rubber tape pushing plate is matched with the hollow area and can pass through the hollow area, the rubber tape pushing plate is parallel to the first negative pressure suction surface, and a rubber tape pushing driving mechanism is arranged on the push rubber tape frame and is used for driving the rubber tape pushing plate to move along the second direction.

[0016] Further, a mounting sliding groove for mounting the rubber tape mounting frame is arranged on the push rubber tape frame, and the rubber tape pushing plate is detachably mounted in the mounting sliding groove.

[0017] Further, a second negative pressure plate is mounted on the side of the rubber tape pushing plate facing the first negative pressure suction surface, and a second negative pressure suction surface is arranged on the side of the second negative pressure plate facing the first negative pressure suction surface.

[0018] Further, the roll gap adjusting mechanism comprises a roll gap adjusting unit for driving the corresponding pinch roller to move towards the first direction; the roll gap adjusting unit is one or two, when the roll gap adjusting unit is one, one of the pinch rollers is fixedly installed on the pinch frame, and the other pinch roller is in transmission connection with the roll gap adjusting unit; when the roll gap adjusting unit is two, the two pinch rollers are respectively in transmission connection with the two roll gap adjusting units.

[0019] Further, when the pinch roller is in transmission connection with the roll gap adjusting unit, the pinch roller is installed on a roller seat, the roller seat is in sliding fit with the pinch frame along the second direction, and the roll gap adjusting unit comprises a roll gap adjusting driving mechanism installed on the pinch frame and used for driving the roller seat to move along the second direction.

[0020] Further, the pinch driving mechanism comprises a pinch driving motor in transmission connection with one of the pinch rollers.

[0021] Further, the push-glue-tape frame is in sliding fit with the back plate along the first direction, the first swing driving mechanism comprises a first servo motor installed on the back plate and a first screw rod in transmission fit with the first servo motor, and the push-glue-tape frame is in screw fit with the first screw rod; the back plate is installed with a first optical coupling sensor used for detecting the position of the push-glue-tape frame, and the push-glue-tape frame is provided with a first light-blocking sheet in fit with the first optical coupling sensor.

[0022] Further, the pinch frame is in sliding fit with the back plate along the first direction, the second swing driving mechanism comprises a second servo motor installed on the back plate and a second screw rod in transmission fit with the second servo motor, and the pinch frame is in screw fit with the second screw rod; the back plate is installed with a second optical coupling sensor used for detecting the position of the pinch frame, and the pinch frame is provided with a second light-blocking sheet in fit with the second optical coupling sensor.

[0023] The double-sided tape connecting device has the advantages that:

[0024] The tape connecting process of the double-sided tape connecting device is as follows: assuming that the two rolls of tapes are first tape and second tape, wherein the first tape is located on the first side of the negative pressure suction frame and in the unwinding state, the second tape is located on the second side of the negative pressure suction frame and is adsorbed on the first negative pressure suction surface on the second side, and the negative pressure suction frame is located at the unwinding position deviated from the push-glue-tape assembly; when the first tape needs to be connected when the unwinding is completed:

[0025] After the second tape is fixed on the second side cutting surface by the second side pressing plate mechanism, the negative pressure suction frame is driven to move to the tape connecting position between the tape connecting units by the moving driving mechanism;

[0026] The tape connecting units on the second side push the adhesive tape to the second tape and make the adhesive tape stick to the upper end of the second tape, and the adhesive tape partially exposes the upper end of the second tape; then the first swing driving mechanism drives the tape connecting frame to swing towards the first side by a set distance, so that the first tape sticks to the first negative pressure suction surface on the second side;

[0027] After the first tape is fixed on the first side cutting surface by the first side pressing plate mechanism, the first tape is cut by the cutting knife mechanism; after the roll gap between the two tape clamping rollers is adjusted and the first tape is clamped by the roll gap adjusting mechanism, the conveying distance of the first tape is adjusted by the tape clamping driving mechanism to control the tail end position of the first tape; the negative pressure suction frame is driven to move to the unwinding position by the moving driving mechanism;

[0028] The first swing driving mechanism and the second swing driving mechanism respectively drive the tape connecting frame and the tape clamping frame to swing towards the second side by a set distance, so that the tail end of the first tape and the head end of the second tape are connected;

[0029] The tape connecting units on the first side push the adhesive tape to the first tape and make the adhesive tape stick between the head end of the first tape and the tail end of the second tape, and the exposed part of the adhesive tape on the upper end of the second tape also sticks to the tail end of the first tape;

[0030] The tape connecting units on the first side and the second side are reset, and the roll gap adjusting mechanism is reset; the tape connecting frame and the tape clamping frame are reset.

[0031] In the next tape connecting, the above "first" and "second" are exchanged; thus, the continuous tape connecting operation can be realized. In summary, the double-sided tape connecting device can accurately control the head end of the first tape and the tail end of the second tape, so that the head end of the first tape and the tail end of the second tape can be quickly connected and aligned, and at the same time, the connection strength of the connected tape can be effectively enhanced by sticking adhesive tape on both sides of the head end of the first tape and the tail end of the second tape. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to make the purpose, technical scheme and beneficial effects of the utility model more clear, the utility model provides the following drawings for description:

[0033] Figure 1 It is the front view of the double-sided tape connecting device of the utility model;

[0034] Figure 2 It is the isometric view of Figure 1 ; and

[0035] Figure 3 Figure 7 is a rear view of the double-sided tape applying device of the present embodiment;

[0036] Figure 4 Figure 8 is an isometric view of the double-sided tape applying device of the present embodiment; Figure 3

[0037] Figure 5 Figure 9 is a top view of the negative pressure suction assembly of the present embodiment;

[0038] Figure 6 Figure 10 is an A-A sectional view of the double-sided tape applying device of the present embodiment; Figure 5

[0039] Figure 7 Figure 11 is an isometric view of the double-sided tape applying device of the present embodiment; Figure 5

[0040] Figure 8 Figure 12 is a front view of the double-sided tape applying device of the present embodiment;

[0041] Figure 9 Figure 13 is an upper isometric view of the double-sided tape applying device of the present embodiment; Figure 8

[0042] Figure 10 Figure 14 is a lower isometric view of the double-sided tape applying device of the present embodiment; Figure 8

[0043] Figure 11 Figure 15 is a top view of the double-sided tape applying device of the present embodiment;

[0044] Figure 12 Figure 16 is a B-B sectional view of the double-sided tape applying device of the present embodiment; Figure 11

[0045] Figure 13 Figure 17 is an isometric view of the double-sided tape applying device of the present embodiment. Figure 11

[0046] BRIEF DESCRIPTION OF THE DRAWINGS:

[0047] 21 - back plate; 211 - first swing slide rail; 212 - first swing slide block; 213 - first servo motor; 214 - first screw rod; 215 - first optical coupling sensor; 216 - first light barrier; 2171 - second swing rail; 2172 - second swing slide block; 2181 - second servo motor; 2182 - second screw rod; 2191 - second optical coupling sensor; 2192 - second light barrier;

[0048] 22 - negative pressure suction assembly; 221 - negative pressure suction frame; 2211 - moving slide rail; 2212 - moving slide block; 222 - first negative pressure plate; 223 - first negative pressure suction surface; 224 - pressure cutting surface; 225 - pressure cutting frame; 226 - pressure plate; 227 - pressure plate driving mechanism; 228 - cutter; 229 - cutter driving mechanism;

[0049] ​​​​​​​23-Glue-pushing and splicing assembly; 230-Glue-pushing and splicing frame; 231-Moving drive mechanism; 232-Glue-splitting frame; 233-Glue-pushing plate; 234-Glue-pushing drive mechanism; 235-Second negative pressure plate; 236-Second negative pressure suction surface; 237-Mounting slide; 238-Nut seat;

[0050] 24-Clamping assembly; 240-Clamping frame; 241-Clamping roller; 242-Roll seat; 243-Roll gap adjustment drive mechanism; 244-Adjusting track; 245-Adjusting slider; 246-Clamping drive motor; 247-Nut seat;

[0051] 25 - Guide roller group; 26 - Guide roller group. Detailed Implementation

[0052] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention.

[0053] like Figures 1-4 As shown, the double-sided tape-connecting device of this embodiment includes a fixed back plate 21, on which a tape-connecting assembly 23 is installed. On both sides of the tape-connecting assembly 23, a tape-clamping assembly 24 and a negative pressure suction assembly 22 are respectively provided.

[0054] like Figures 5-7As shown, in the embodiment, the negative pressure suction assembly 22 comprises a double-sided negative pressure plate and a cutting assembly. The double-sided negative pressure plate comprises a negative pressure suction frame 221, two first negative pressure plates 222 are respectively mounted on two sides of the negative pressure suction frame 221, and a first negative pressure suction surface 223 is arranged on the side opposite to the two first negative pressure plates 222. A cutting surface 224 is arranged on the negative pressure suction frame 221 corresponding to the first negative pressure suction surface 223. In the embodiment, the cutting surface 224 is located below the first negative pressure suction surface 223. The cutting assembly comprises a cutting frame 225, and two cutting units corresponding to the two cutting surfaces 224 are respectively arranged on the cutting frame 225. The cutting unit of the embodiment comprises a pressing plate mechanism and a cutting knife mechanism. The pressing plate mechanism comprises a pressing plate 226 for pressing and fixing the strip on the cutting surface 224 and a pressing plate driving mechanism 227 for driving the pressing plate 226 to move. In the embodiment, the pressing plate driving mechanism 227 is a pneumatic cylinder. Of course, in other embodiments, the pressing plate driving mechanism 227 can also be a hydraulic cylinder or an electric cylinder, and the like, which will not be described herein. The cutting knife mechanism of the embodiment comprises a cutting knife 228 for cutting the strip pressed and fixed on the cutting surface 224 and a cutting knife driving mechanism 229 for driving the cutting knife 228 to move. In the embodiment, the cutting knife driving mechanism 229 is a pneumatic cylinder. In other embodiments, the cutting knife driving mechanism 229 can also be a hydraulic cylinder or an electric cylinder, and the like, which will not be described herein. In the embodiment, the negative pressure suction frame 221 and the cutting frame 225 are fixedly connected. Of course, in other embodiments, the negative pressure suction frame 221 and the cutting frame 225 can also be integrated.

[0055] As shown in the preferred embodiment of the present embodiment, Figure 6 In the preferred embodiment of the present embodiment, the pressing plate 226 is provided as two pieces, and a cutting seam is arranged between the two pressing plates 226, and the cutting knife 228 is arranged in position with the cutting seam. In this way, the strip between the two pressing plates 226 can be pressed more flat, and the cutting seam when the cutting knife 228 cuts the strip is more flat.

[0056] As shown in the preferred embodiment of the present embodiment, Figures 8-10As shown, the tape pushing and connecting assembly 23 comprises a tape pushing and connecting frame 230, and two tape pushing and connecting units are arranged on both sides of the tape pushing and connecting frame 230 and located on both sides of the negative pressure suction frame 221, and the tape pushing and connecting units are used to push the tape to the strip to realize the strip connecting. In the embodiment, the tape pushing and connecting frame 230 is slidingly matched with the negative pressure suction frame 221 along a second direction parallel to the strip conveying direction, and a moving driving mechanism 231 is arranged on the tape pushing and connecting frame 230, and the moving driving mechanism 231 is used to drive the negative pressure suction frame 221 to move relative to the tape pushing and connecting frame 230 along the second direction. In the embodiment, the negative pressure suction frame 221 is provided with a moving slide rail 2211 parallel to the second direction, the moving slide rail 2211 is provided with a moving slide block 2212 slidingly matched with the moving slide rail 2211, and the moving slide block 2212 is fixedly connected with the tape pushing and connecting frame 230. In the embodiment, the moving driving mechanism 231 adopts a pneumatic cylinder installed on the tape pushing and connecting frame 230, and of course, in other embodiments, the moving driving mechanism 231 can also adopt a hydraulic cylinder or an electric cylinder, which will not be described herein.

[0057] In the embodiment, the tape pushing and connecting unit comprises a tape connecting frame 232 used to install the tape and a tape pushing plate 233 used to push the tape to the negative pressure suction frame 221. The tape connecting frame 232 is provided with a hollow area used to install the tape, and the tape pushing plate 233 has an outer size matched with the hollow area and can pass through the hollow area. In the embodiment, the tape pushing plate 233 is parallel to the first negative pressure suction surface 223, and the tape pushing and connecting frame 230 is provided with a tape pushing driving mechanism 234 used to drive the tape pushing plate 233 to move along the second direction. The tape pushing driving mechanism 234 of the embodiment adopts a servo driving system, which can accurately control the moving distance and position of the tape pushing plate 233.

[0058] In the preferred embodiment of the embodiment, the side of the tape pushing plate 223 facing the first negative pressure suction surface 223 is provided with a second negative pressure plate 235, and the side of the second negative pressure plate 235 facing the first negative pressure suction surface 223 is provided with a second negative pressure suction surface 236. By installing the second negative pressure plate 235 on the tape pushing plate 223, a negative pressure adsorption effect can be generated on the tape during the process of pushing the tape to the negative pressure suction frame 221, so as to avoid the tape from falling off the tape pushing plate 233.

[0059] In the preferred embodiment of the embodiment, the tape pushing and connecting frame 230 is provided with a mounting slide groove 237 used to install the tape connecting frame 232, and the tape pushing plate 232 is detachably installed in the mounting slide groove 237, that is, the tape connecting frame 232 can be detached and replaced with a new tape, which is more convenient to operate.

[0060] The fixed back plate 21 of the embodiment is provided with a first swing driving mechanism for driving the push-bonding belt frame 230 to swing along a first direction perpendicular to the belt conveying direction. In the embodiment, the push-bonding belt frame 230 is slidingly fitted with the back plate 21 along the first direction. Specifically, as shown in Figures 9-10 the back plate 21 is provided with a first swing sliding rail 211, the first swing sliding rail 211 is provided with a first swing sliding block 212 slidingly fitted therewith, and the push-bonding belt frame 230 is mounted on the first swing sliding block 212. The first swing driving mechanism of the embodiment comprises a first servo motor 213 mounted on the back plate 21 and a first screw rod 214 in transmission cooperation with the first servo motor 213, and the push-bonding belt frame 230 is in threaded cooperation with the first screw rod 214 through a nut seat 238. In the embodiment, the first servo motor 213 and the first screw rod 214 are in transmission connection through a synchronous belt mechanism. Of course, in other embodiments, the first servo motor 213 and the first screw rod 214 can also be in transmission connection through a gear transmission mechanism, a chain transmission mechanism, etc., which will not be described herein. In order to accurately control the swing position of the push-bonding belt frame 230 along the first direction, the back plate 21 is provided with a first optical coupling sensor 215 for detecting the position of the push-bonding belt frame 230, and the push-bonding belt frame 230 is provided with a first light blocking piece 216 in cooperation with the first optical coupling sensor 215. Specifically, the first optical coupling sensor 215 is provided in multiple numbers to achieve accurate detection of multiple different swing positions of the push-bonding belt frame 230.

[0061] As shown in Figures 11-13 the embodiment, the belt clamping assembly 24 comprises a belt clamping frame 240, the belt clamping frame 240 is provided with a belt clamping roller set, the belt clamping roller set comprises two belt clamping rollers 241, a roller gap adjusting mechanism and a belt clamping driving mechanism. The roller gap adjusting mechanism is used for adjusting the roller gap between the two belt clamping rollers 241 to clamp the belt, and the belt clamping driving mechanism is used for controlling the conveying distance of the clamped belt.

[0062] In the embodiment, the roll gap adjusting mechanism comprises a roll gap adjusting unit for driving the corresponding entraining roller 241 to move towards the first direction. The roll gap adjusting unit is provided as one or two; when the roll gap adjusting unit is provided as one, one of the entraining rollers 241 is fixedly installed on the entraining frame 240, and the other entraining roller 241 is in transmission connection with the roll gap adjusting unit; when the roll gap adjusting unit is provided as two, the two entraining rollers 241 are respectively in transmission connection with the two roll gap adjusting units. In the embodiment, the roll gap adjusting unit is provided as two. Specifically, when the entraining roller 241 is in transmission connection with the roll gap adjusting unit, the entraining roller 241 is installed on the roller seat 242, the roller seat 242 is in sliding fit with the entraining frame 240 along the second direction, and the roll gap adjusting unit comprises a roll gap adjusting driving mechanism 243 installed on the entraining frame 240 and used for driving the roller seat 242 to move along the second direction. In the embodiment, the entraining frame 240 is provided with an adjusting track 244, the adjusting track 244 is provided with an adjusting sliding block 245 in sliding fit therewith, and the roller seat 242 is installed on the adjusting sliding block 245. In the embodiment, the roll gap adjusting driving mechanism 243 adopts a pneumatic cylinder, and of course, in other embodiments, the roll gap adjusting driving mechanism 243 can also adopt a hydraulic cylinder or an electric cylinder, which will not be described herein.

[0063] In the embodiment, the entraining driving mechanism comprises an entraining driving motor 246, and the entraining driving motor 246 is in transmission connection with one of the entraining rollers 241. In the embodiment, the entraining driving motor 246 adopts a servo motor, and the output shaft of the entraining driving motor 246 is connected with the corresponding entraining roller 241 through a shaft coupling.

[0064] As Figures 3-4As shown, in the embodiment, the back plate 21 is provided with a second swing driving mechanism for driving the clamping frame 240 to swing along the first direction. Specifically, the clamping frame 240 is slidingly fitted with the back plate 21 along the first direction, the back plate 21 is provided with a second swing track 2171 parallel to the first direction, the second swing track 2171 is provided with a second swing sliding block 2172 slidingly fitted therewith, and the clamping frame 240 is installed on the second swing sliding block 2172. The second swing driving mechanism of the embodiment comprises a second servo motor 2181 installed on the back plate 21 and a second screw rod 2182 in driving cooperation with the second servo motor 2181, and the clamping frame 240 is in threaded cooperation with the second screw rod 2182 through the nut seat 247. In the embodiment, the second servo motor 2181 and the second screw rod 2182 are drivingly connected through a synchronous belt mechanism. Of course, in other embodiments, the second servo motor 2181 and the second screw rod 2182 can also be drivingly connected through a gear transmission mechanism, a chain transmission mechanism, etc., which will not be described herein. In order to accurately control the position of the clamping frame 240 swinging along the first direction, the back plate 21 is provided with a second optical coupling sensor 2191 for detecting the position of the clamping frame 240, and the clamping frame 240 is provided with a second light blocking piece 2192 in cooperation with the second optical coupling sensor 2191. Specifically, the second optical coupling sensor 2191 is provided in multiple numbers to achieve accurate detection of multiple different swing positions of the clamping frame 240.

[0065] In the embodiment, the back plate 21 is provided with two guide roller sets 25 for guiding two strips of material to enter the two sides of the negative pressure suction frame 221, and the guide roller set 25 is located on the side of the cutting frame 225 away from the rubber pushing and strip connecting frame 230. In the embodiment, the clamping frame 240 is also provided with a guide roller set 26 for guiding the strip material, and the guide roller set 26 is located on the side of the clamping roller set away from the rubber pushing and strip connecting frame 230.

[0066] The strip connecting process of the double-sided strip connecting device of the embodiment is as follows: assuming that the two rolls of material are a first strip and a second strip, wherein the first strip is located on the first side of the negative pressure suction frame 221 and is in a unwinding state, the second strip is located on the second side of the negative pressure suction frame 221 and is adsorbed on the first negative pressure suction surface 223 on the second side, and the negative pressure suction frame 221 is located at a unwinding position deviated from the rubber pushing and strip connecting assembly 23; when the first strip is unwound and needs to be connected:

[0067] After the second strip is tightly fixed on the second side cutting surface 224 by the second side pressing plate mechanism, the negative pressure suction frame 221 is driven to move to a connecting position between the two rubber pushing and strip connecting units by the moving driving mechanism;

[0068] The tape pushing and connecting unit at the second side pushes the adhesive tape to the second tape and makes the adhesive tape stick to the upper end of the second tape with a part of the adhesive tape exposed from the upper end of the second tape; then the first swing driving mechanism drives the tape pushing and connecting frame 230 to swing towards the first side by a set distance, so that the first tape sticks to the first negative pressure suction surface 223 at the second side;

[0069] After the pressing plate mechanism at the first side presses and fixes the first tape on the first side cutting surface 224, the cutting knife mechanism cuts the first tape; after the roll gap adjusting mechanism adjusts the roll gap between the two tape clamping rollers 241 and clamps the first tape, the tape clamping driving mechanism adjusts the conveying distance of the first tape to control the tail end position of the first tape; the movement driving mechanism drives the negative pressure suction frame 221 to move to the unwinding position;

[0070] The first swing driving mechanism and the second swing driving mechanism respectively drive the tape pushing and connecting frame 230 and the tape clamping frame 240 to swing towards the second side by a set distance, so that the tail end of the first tape and the head end of the second tape are connected;

[0071] The tape pushing and connecting unit at the first side pushes the adhesive tape to the first tape and makes the adhesive tape stick between the head end of the first tape and the tail end of the second tape, and the exposed part of the adhesive tape on the upper end of the second tape also sticks to the tail end of the first tape;

[0072] The tape pushing and connecting units at the first side and the second side are reset, and the roll gap adjusting mechanism is reset; the tape pushing and connecting frame 230 and the tape clamping frame 240 are reset.

[0073] In the next tape connecting operation, the above-mentioned "first" and "second" are exchanged; thus, the continuous tape connecting operation can be realized by repeating the above-mentioned operations. In summary, the double-sided tape connecting device of the embodiment can accurately control the positions of the head end of the first tape and the tail end of the second tape, so that the head end of the first tape and the tail end of the second tape can be quickly connected and aligned, and the connection strength of the connected tapes can be effectively improved by sticking adhesive tapes on both sides of the head end of the first tape and the tail end of the second tape.

[0074] The above-mentioned embodiments are only preferred embodiments for fully illustrating the present application, and the protection scope of the present application is not limited thereto. Any equivalent substitutions or transformations made by those skilled in the art based on the present application are within the protection scope of the present application. The protection scope of the present application is subject to the claims.

Claims

1. A negative pressure suction component, characterized in that: Includes double-sided negative pressure plates and pressure cutting components; The double-sided negative pressure plate includes a negative pressure attraction frame, and a first negative pressure plate is installed on each side of the negative pressure attraction frame. The opposite side of the two first negative pressure plates is set as a first negative pressure attraction surface. A pressure cutting surface is provided on the negative pressure attraction frame corresponding to the first negative pressure attraction surface. The cutting assembly includes a cutting frame, on which two cutting units are mounted, each corresponding to one of the two cutting surfaces. Each cutting unit includes a pressure plate mechanism and a cutting mechanism. The pressure plate mechanism includes a pressure plate for pressing and fixing the strip onto the cutting surfaces and a pressure plate drive mechanism for driving the pressure plate to move. The cutting mechanism includes a cutter for cutting the strip pressed and fixed onto the cutting surfaces and a cutting mechanism for driving the cutter to move. The negative pressure suction frame and the pressure cutting frame are fixedly connected or integrated.

2. The negative pressure suction component according to claim 1, characterized in that: The pressure plate is provided in two pieces, and a slit is provided between the two pressure plates. The cutter is aligned with the slit.

3. A double-sided tape-connecting device, characterized in that: It includes a fixed back plate, on which a push-adhesive tape assembly is installed, and on both sides of the push-adhesive tape assembly are respectively provided a clamping assembly and a negative pressure suction assembly as described in claim 1 or 2; The adhesive tape splicing assembly includes an adhesive tape splicing frame, and adhesive tape splicing units located on both sides of the negative pressure suction frame are respectively provided on both sides of the adhesive tape splicing frame. The adhesive tape splicing units are used to push the adhesive tape toward the strip to achieve strip splicing. The fixed back plate is provided with a first swing drive mechanism for driving the adhesive tape splicing frame to swing along a first direction perpendicular to the strip transmission direction. The adhesive-push and tape-joining frame and the negative pressure suction frame are slidably engaged in a second direction parallel to the tape transport direction. The adhesive-push and tape-joining frame is provided with a moving drive mechanism, which is used to drive the negative pressure suction frame to move relative to the adhesive-push and tape-joining frame along the second direction. The clamping assembly includes a clamping frame, on which a clamping roller group is mounted. The clamping roller group includes two clamping rollers, a roller gap adjustment mechanism, and a clamping drive mechanism. The roller gap adjustment mechanism is used to adjust the roller gap between the two clamping rollers to clamp the strip. The clamping drive mechanism is used to control the conveying distance of the clamped strip. The back plate is provided with a second swing drive mechanism for driving the clamping frame to swing along a first direction.

4. The double-sided tape-connecting device according to claim 3, characterized in that: The adhesive feeding and splicing unit includes an adhesive receiving frame for mounting the adhesive tape and an adhesive pushing plate for pushing the adhesive tape toward the negative pressure suction frame; the adhesive receiving frame has a hollow area for mounting the adhesive tape, the outer dimensions of the adhesive pushing plate are adapted to the hollow area and can pass through the hollow area; the adhesive pushing plate is parallel to the first negative pressure suction surface, and the adhesive feeding and splicing frame is provided with an adhesive pushing drive mechanism for driving the adhesive pushing plate to move along a second direction.

5. The double-sided tape-connecting device according to claim 4, characterized in that: The adhesive-push joint frame is provided with an installation groove for mounting the adhesive-push frame, and the adhesive-push plate is detachably installed in the installation groove.

6. The double-sided tape-connecting device according to claim 4, characterized in that: A second negative pressure plate is installed on the side of the pusher plate facing the first negative pressure attraction surface, and the side of the second negative pressure plate facing the first negative pressure attraction surface is designated as the second negative pressure attraction surface.

7. The double-sided tape-connecting device according to claim 3, characterized in that: The roll gap adjustment mechanism includes a roll gap adjustment unit for driving the corresponding clamping roller to move in a first direction; the roll gap adjustment unit is configured as one or two. When the roll gap adjustment unit is configured as one, one of the clamping rollers is fixedly installed on the clamping frame, and the other clamping roller is drivenly connected to the roll gap adjustment unit; when the roll gap adjustment unit is configured as two, the two clamping rollers are drivenly connected to the two roll gap adjustment units respectively.

8. The double-sided tape-connecting device according to claim 7, characterized in that: When the clamping roller is connected to the roller gap adjustment unit, the clamping roller is mounted on the roller seat, and the roller seat and the clamping frame slide together along the second direction. The roller gap adjustment unit includes a roller gap adjustment drive mechanism mounted on the clamping frame and used to drive the roller seat to move along the second direction.

9. The double-sided tape-connecting device according to claim 3, characterized in that: The clamping drive mechanism includes a clamping drive motor, which is connected to one of the clamping rollers.

10. The double-sided tape-connecting device according to claim 3, characterized in that: The adhesive-push-attach frame and the back plate slide together along a first direction. The first swing drive mechanism includes a first servo motor mounted on the back plate and a first lead screw that drives the first servo motor. The adhesive-push-attach frame is threadedly engaged with the first lead screw. A first optical coupler sensor for detecting the position of the adhesive-push-attach frame is mounted on the back plate. A first light-blocking plate that works with the first optical coupler sensor is provided on the adhesive-push-attach frame.

11. The double-sided tape-connecting device according to claim 3, characterized in that: The clamping frame and the back plate slide together along a first direction. The second swing drive mechanism includes a second servo motor mounted on the back plate and a second lead screw that drives the second servo motor. The clamping frame is threadedly engaged with the second lead screw. A second optical coupler sensor for detecting the position of the clamping frame is mounted on the back plate. A second light-blocking plate that works with the second optical coupler sensor is provided on the clamping frame.

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