CN212275550U

CN212275550U - Peeling strength detection device

Info

Publication number: CN212275550U
Application number: CN202022176482.XU
Authority: CN
Inventors: 黄持伟; 吴学科; 阳如坤; 魏宏生
Original assignee: Shenzhen Geesun Intelligent Technology Co Ltd
Current assignee: Shenzhen Geesun Intelligent Technology Co Ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-01-01
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a peel strength detection device relates to lithium cell technical field. The peeling strength detection device comprises a rack, and a rubberizing mechanism, a sliding mechanism and a detection mechanism which are arranged on the rack. The first driving piece is connected with the sliding table, the first driving piece is used for driving the sliding table to slide along a first direction, the sliding table is used for fixing a current collector of the pole piece, the adhesive tape pasting mechanism is used for pasting an adhesive tape on a coating layer of the pole piece, and the detection mechanism is used for driving the adhesive tape to move along a second direction so that the coating layer moves along with the adhesive tape and is peeled from the current collector; the first direction is perpendicular to the second direction, and the sliding speed of the sliding table is the same as the moving speed of the detection mechanism, so that the peeling angle between the coating layer and the current collector is kept at 90 degrees. The utility model provides a peel strength detection device can carry out the peel strength detection of 90 degrees peel angles to the pole piece, and degree of automation is high, and detection efficiency is high, and the testing result is accurate, convenient and practical.

Description

Peeling strength detection device

Technical Field

The utility model relates to a lithium cell technical field particularly, relates to a peel strength detection device.

Background

In the manufacturing process of the lithium battery, the required pole piece is obtained by coating the positive and negative materials on the current collector (copper foil and aluminum foil), drying, rolling and cutting, and in the process, the bonding strength between the coating layer and the current collector is directly related to the quality of the pole piece. If the bonding strength is low, the coating layer is easy to peel off from the current collector in the subsequent processes of sheet preparation, assembly, electrolyte soaking and battery use of the pole piece, so that the performance of the lithium battery is reduced, even the lithium battery is failed, and safety accidents can be caused in serious cases. Therefore, in the manufacturing process of the lithium battery pole piece, the peeling strength of the pole piece needs to be detected. However, the existing pole piece peeling strength test adopts manual detection, so that the detection efficiency is low, the detection result accuracy is low, and the peeling strength of the pole piece cannot be accurately evaluated.

In view of this, it is important to design and manufacture an automatic and efficient peeling strength detection device, especially in the production of lithium batteries.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a peel strength detection device can carry out the peel strength detection of 90 degrees stripping angle to the pole piece, and degree of automation is high, and detection efficiency is high, and the testing result is accurate, convenient and practical.

The utility model is realized by adopting the following technical scheme.

A peeling strength detection device comprises a rack, and a rubberizing mechanism, a sliding mechanism and a detection mechanism which are arranged on the rack, wherein the sliding mechanism comprises a first driving piece and a sliding table, the first driving piece is connected with the sliding table, the first driving piece is used for driving the sliding table to slide along a first direction, the sliding table is used for fixing a current collector of a pole piece, the rubberizing mechanism is used for pasting an adhesive tape on a coating layer of the pole piece, and the detection mechanism is used for driving the adhesive tape to move along a second direction so that the coating layer moves along with the adhesive tape and is peeled from the current collector; the first direction is perpendicular to the second direction, and the sliding speed of the sliding table is the same as the moving speed of the detection mechanism, so that the peeling angle between the coating layer and the current collector is kept at 90 degrees.

Furthermore, the rubberizing mechanism includes second driving piece, mount and rubberizing roller, and the second driving piece is connected with the mount, and the rubberizing roller is installed in the mount, and can rotate for the mount, and the rubberizing roller is used for coiling the sticky tape, and the second driving piece can drive the rubberizing roller through the mount and roll on the pole piece and paste the sticky tape.

Further, peel strength detection device still includes the air pump, and the sliding stand includes stage body and adsorption plate, and adsorption plate fixed connection has seted up the adsorption hole on the stage body, adsorption hole and air pump intercommunication, and the air pump is used for adsorbing the pole piece through the adsorption hole and is fixed in on the adsorption plate.

Furthermore, rubberizing mechanism still includes last cutter unit and lower cutter, goes up the cutter unit and sets up between second drive piece and mount, and is connected with the second drive piece, lower cutter and stage body fixed connection, goes up the cutter unit and is used for cooperating with lower cutter to cut off the sticky tape.

Furthermore, the upper cutter assembly comprises a third driving piece, a cutter frame and an upper cutter, the second driving piece is connected with the cutter frame, the third driving piece is installed on the cutter frame and connected with the upper cutter, and the third driving piece can drive the upper cutter to be close to or far away from the lower cutter.

Furthermore, the sliding table further comprises a rubberizing transition plate, and the rubberizing transition plate is fixedly connected to the table body and arranged between the adsorption plate and the lower cutter.

Further, peel strength detection device still includes elevating system, and elevating system includes fourth drive spare and mounting panel, and the fourth drive spare is installed in the frame, and is connected with the mounting panel, mounting panel and sliding tray sliding fit, and the fourth drive spare can drive the sliding tray through the mounting panel and be close to or keep away from rubberizing mechanism to the rubberizing pressure of adjustment rubberizing mechanism to the pole piece.

Furthermore, the first driving part comprises a driving cylinder, a push rod and a sliding block, the driving cylinder is fixedly installed on the rack and connected with the push rod, one end, far away from the driving cylinder, of the push rod is fixedly connected with the sliding block, a limiting groove is formed in the sliding table, and the sliding block is arranged in the limiting groove in a sliding mode.

Further, be provided with the guide rail on the mounting panel, the both ends of guide rail all are provided with the stopper, and the spout has been seted up to the sliding stand, and the guide rail sets up in the spout, and can slide for the spout, and the stopper is used for spacing the sliding stand.

Furthermore, the detection mechanism comprises a fifth driving part, a cross beam, a clamping part and a tension sensor, the fifth driving part is installed on the rack and connected with the cross beam, the cross beam is connected with the clamping part, the tension sensor is arranged between the cross beam and the clamping part, the clamping part is used for clamping the adhesive tape, and the tension sensor is used for detecting the tension of the clamping part on the adhesive tape when the fifth driving part drives the clamping part to move along the second direction through the cross beam.

The utility model provides a peel strength detection device has following beneficial effect:

the utility model provides a peeling strength detection device, slide mechanism include first driving piece and sliding stand, and first driving piece is connected with the sliding stand, and first driving piece is used for driving the sliding stand to slide along the first direction, and the sliding stand is used for the mass flow body of fixed pole piece, and rubberizing mechanism is used for pasting the sticky tape on the coating of pole piece, and detection mechanism is used for driving the sticky tape along the motion of second direction to make the coating move along with the sticky tape, thereby peel off with the mass flow body; the first direction is perpendicular to the second direction, and the sliding speed of the sliding table is the same as the moving speed of the detection mechanism, so that the peeling angle between the coating layer and the current collector is kept at 90 degrees. Compared with the prior art, the utility model provides a peel strength detection device is owing to adopted the sliding stand of being connected with first driving piece and installed the detection mechanism in the frame, so can carry out the peel strength detection of 90 degrees peel angle to the pole piece, degree of automation is high, and detection efficiency is high, and the testing result is accurate, convenient and practical.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a peeling strength detection apparatus provided in an embodiment of the present invention in a detection process;

fig. 2 is a schematic structural diagram of a viewing angle of the peeling strength detecting apparatus according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a matching between a rubberizing mechanism and a sliding mechanism in the peel strength detection apparatus provided by the embodiment of the present invention;

fig. 4 is a schematic structural view illustrating a connection between a sliding mechanism and a lifting mechanism in the peel strength detection apparatus according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of another view angle of the peeling strength detecting apparatus according to the embodiment of the present invention.

Icon: 100-peel strength detection means; 110-a rack; 111-a first sliding groove; 112-a second sliding groove; 120-a rubberizing mechanism; 121-a second drive member; 122-a mount; 123-rubberizing rollers; 124-an upper cutter assembly; 125-lower cutter; 126-third drive member; 127-a tool holder; 128-upper cutter; 130-a sliding mechanism; 131-a first drive member; 1311-driving cylinder; 1312-a push rod; 1313-a slider; 132-a slide table; 133-a stage body; 134-an adsorption plate; 135-rubberizing transition plates; 136-adsorption pores; 137-a chute; 138-a limiting groove; 140-a detection mechanism; 141-fifth driving element; 142-a cross beam; 143-a clamp; 144-a tension sensor; 150-air pump; 160-a lifting mechanism; 161-a fourth drive; 162-a mounting plate; 163-a guide rail; 164-a stop block; 200-pole piece; 300-adhesive tape.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a peeling strength detection apparatus 100 for detecting a peeling strength between a coating layer (not shown) and a current collector (not shown) in a pole piece 200. It can carry out the peel strength detection of 90 degrees peel angles to pole piece 200, and degree of automation is high, and detection efficiency is high, and the testing result is accurate, convenient and practical.

The peeling strength detecting apparatus 100 includes a frame 110, a taping mechanism 120, a sliding mechanism 130, a detecting mechanism 140, an air pump 150, and a lifting mechanism 160. The rubberizing mechanism 120, the sliding mechanism 130, the detecting mechanism 140 and the lifting mechanism 160 are all mounted on the frame 110. The air pump 150 is connected to the sliding mechanism 130, the air pump 150 is used for generating negative pressure to fix the current collector of the pole piece 200 onto the sliding mechanism 130 in an absorbing manner, and the sliding mechanism 130 can slide relative to the frame 110. The position of the rubberizing mechanism 120 corresponds to the position of the sliding mechanism 130, and the rubberizing mechanism 120 is used for pasting the adhesive tape 300 on the coating layer of the pole piece 200. The lifting mechanism 160 is connected with the sliding mechanism 130, and the lifting mechanism 160 can drive the sliding mechanism 130 to move so as to adjust the distance between the sliding mechanism 130 and the rubberizing mechanism 120, thereby adjusting the rubberizing pressure of the rubberizing mechanism 120 on the pole piece 200. The detection mechanism 140 is used to drive the adhesive tape 300 to tear away the pole piece 200, so as to separate the coating layer and the current collector of the pole piece 200, thereby detecting the peeling strength of the pole piece 200.

It should be noted that, in the process that the detection mechanism 140 drives the adhesive tape 300 to move, due to the adhesive force of the adhesive tape 300, the coating layer of the pole piece 200 is firmly adhered to the adhesive tape 300 and moves along with the adhesive tape 300, and the current collector of the pole piece 200 is still adsorbed and fixed on the sliding mechanism 130, so that the detection mechanism 140 can drive the coating layer to be peeled off from the current collector through the adhesive tape 300, thereby detecting the peeling strength of the pole piece 200.

Referring to fig. 3 and 4, the sliding mechanism 130 includes a first driving member 131 and a sliding table 132. The first driving member 131 is connected to the sliding table 132, the sliding table 132 is slidably disposed on the lifting mechanism 160, the lifting mechanism 160 can support the sliding table 132, and the first driving member 131 is used for driving the sliding table 132 to slide along a first direction. The air pump 150 is connected to the sliding table 132, and the sliding table 132 is used for adsorbing and fixing the current collector of the pole piece 200. The taping mechanism 120 is movable relative to the slide table 132 to apply the tape 300 over the coating of the pole piece 200. The detection mechanism 140 is configured to drive the adhesive tape 300 to move along the second direction, so that the coating layer of the pole piece 200 moves along with the adhesive tape 300, and is peeled from the current collector of the pole piece 200, and the force required for peeling the coating layer from the current collector is detected, and then the peel strength of the pole piece 200 is calculated by software.

In this embodiment, the first direction is perpendicular to the second direction, that is, the moving direction of the sliding table 132 is perpendicular to the moving direction of the detecting mechanism 140, and the sliding speed of the sliding table 132 is the same as the moving speed of the detecting mechanism 140, so that the peeling angle between the coating layer and the current collector is maintained at 90 degrees. Specifically, the first direction is the horizontal direction, the second direction is the vertical direction, when detection mechanism 140 stimulates sticky tape 300 along vertical direction upward movement, sticky tape 300 drives the vertical upward movement of coating in step, in this process, first driving piece 131 drives sliding table 132 along the horizontal direction motion, sliding table 132 drives the mass flow body along the horizontal direction motion in step, and the velocity of movement of coating is the same with the velocity of movement of mass flow body, so that coating and mass flow body keep 90 degrees peel angle all the time at the stripping process, realize carrying out 90 degrees peel strength detection of peel angle to pole piece 200, improve the accuracy of peel strength testing result.

The slide table 132 includes a table body 133, a suction plate 134, and a rubberized transition plate 135. The adsorption plate 134 is fixedly connected to the stage body 133, the adsorption plate 134 is provided with an adsorption hole 136, the adsorption hole 136 is communicated with the air pump 150, and the air pump 150 is used for adsorbing and fixing the pole piece 200 on the adsorption plate 134 through the adsorption hole 136. The rubberizing transition plate 135 is fixedly connected to the stage body 133, and the rubberizing transition plate 135 and the adsorption plate 134 are arranged side by side. Specifically, the number of the adsorption holes 136 is plural, the adsorption holes 136 are distributed on the adsorption plate 134 in an array, and the air pump 150 can generate negative pressure to suck air through the adsorption holes 136, so as to fix the pole piece 200 on the adsorption plate 134 in an adsorption manner. The rubberizing transition plate 135 has non-adhesiveness, the rubberizing mechanism 120 drives the adhesive tape 300 to continue to move to the rubberizing transition plate 135 after the pole piece 200 on the adsorption plate 134 is completely pasted, at this time, the adhesive tape 300 cannot be pasted with the rubberizing transition plate 135, and the end of the adhesive tape 300 can be stored on the rubberizing transition plate 135, so that the end of the adhesive tape 300 can be conveniently connected with the detection mechanism 140 in the following process.

The rubberizing mechanism 120 includes a second driving member 121, a fixing frame 122, a rubberizing roller 123, an upper cutter assembly 124, and a lower cutter 125. The second driving member 121 is connected to the fixing frame 122, and the second driving member 121 can drive the fixing frame 122 to move. The rubberizing roller 123 is installed in the fixing frame 122 and can rotate relative to the fixing frame 122. The rubberizing roller 123 is used for winding the tape 300 so as to facilitate the tape 300 to be adhered to the pole piece 200, and the second driving member 121 can drive the rubberizing roller 123 to roll on the pole piece 200 to adhere the tape 300 through the fixing frame 122. The upper cutter assembly 124 is disposed between the second driving member 121 and the fixing frame 122, and is connected to the second driving member 121, and the second driving member 121 drives the upper cutter assembly 124 to move while driving the fixing frame 122 to move. The lower cutter 125 is fixedly connected with the table body 133 of the sliding table 132, the lower cutter 125 is disposed on a side surface of the table body 133, the rubberizing transition plate 135 is disposed between the adsorption plate 134 and the lower cutter 125, and the upper cutter assembly 124 is used for cooperating with the lower cutter 125 to cut the adhesive tape 300.

It should be noted that, in the process of gluing, the pole piece 200 is first fixed on the adsorption plate 134 by the air pump 150; then, the second driving element 121 is started, the second driving element 121 drives the fixing frame 122 to move along the horizontal direction, in the process, the pole piece 200 is arranged between the rubberizing roller 123 and the adsorption plate 134, and the rubberizing roller 123 rolls relative to the pole piece 200 to glue the adhesive tape 300 wound on the rubberizing roller 123 on the pole piece 200; after the adhesive tape 300 finishes the pasting operation on the pole piece 200, the rubberizing roller 123 moves to the rubberizing transition plate 135, at this time, the second driving piece 121 continues to drive the fixing frame 122 to move along the horizontal direction, and in the process, the rubberizing roller 123 rolls relative to the rubberizing transition plate 135, so that the adhesive tape 300 wound on the rubberizing roller 123 is arranged on the rubberizing transition plate 135; when the fixing frame 122 moves to the first preset position, the rubberizing roller 123 extends out of the rubberizing transition plate 135, that is, the rubberizing roller 123 extends out of the side face of the table body 133, the position of the upper cutter assembly 124 corresponds to the position of the lower cutter 125, at this time, the upper cutter assembly 124 is controlled to be close to the lower cutter 125 to cut off the adhesive tape 300, rubberizing is completed, the end of the adhesive tape 300 is freely placed on the rubberizing transition plate 135, and the detection mechanism 140 is convenient to clamp the end of the adhesive tape 300.

Upper cutter assembly 124 includes a third drive member 126, a tool post 127, and an upper cutter 128. The second driving member 121 is connected to the tool post 127, and the second driving member 121 can drive the tool post 127 to move in the horizontal direction. The third driving member 126 is mounted on the tool post 127 and connected to the upper cutter 128, and the third driving member 126 can drive the upper cutter 128 to move in a vertical direction, so that the upper cutter 128 approaches or moves away from the lower cutter 125. Specifically, when the third driving member 126 drives the upper cutter 128 to move downward in the vertical direction, the upper cutter 128 approaches the lower cutter 125 and cooperates with the lower cutter 125 to cut the adhesive tape 300; when the third driving member 126 drives the upper cutter 128 to move upward in the vertical direction, the upper cutter 128 moves away from the lower cutter 125 to reset the upper cutter assembly 124.

The lift mechanism 160 includes a fourth driver 161 and a mounting plate 162. The fourth driving member 161 is mounted on the frame 110 and connected to the mounting plate 162, and the fourth driving member 161 can drive the mounting plate 162 to rise or fall along the vertical direction. The mounting plate 162 is slidably engaged with the table body 133 of the slide table 132, the table body 133 can slide on the mounting plate 162 in the horizontal direction, and the mounting plate 162 can support and limit the table body 133. The fourth driving member 161 can drive the sliding table 132 to be close to or far away from the rubberizing mechanism 120 through the mounting plate 162, so as to adjust the rubberizing pressure of the rubberizing mechanism 120 on the pole piece 200, thereby facilitating the rubberizing operation.

Specifically, when the fourth driving member 161 drives the mounting plate 162 to rise along the vertical direction, the mounting plate 162 drives the adsorption plate 134 to move upward through the table 133, in this process, the adsorption plate 134 gradually approaches the rubberizing roller 123 of the rubberizing mechanism 120, and the rubberizing pressure of the rubberizing roller 123 on the pole piece 200 is continuously increased; when the fourth driving member 161 drives the mounting plate 162 to descend along the vertical direction, the mounting plate 162 drives the adsorption plate 134 to move downward through the stage 133, in this process, the adsorption plate 134 gradually gets away from the rubberizing roller 123 of the rubberizing mechanism 120, and the rubberizing pressure of the rubberizing roller 123 on the pole piece 200 is continuously reduced.

In this embodiment, the mounting plate 162 is provided with a guide rail 163, and both ends of the guide rail 163 are provided with the limiting blocks 164. The slide table 132 has a slide groove 137 formed in the table body 133, the guide rail 163 is disposed in the slide groove 137 and is slidable with respect to the slide groove 137, the table body 133 is slidable with respect to the guide rail 163, and the guide rail 163 can limit the position of the table body 133 so as to restrict the sliding direction of the table body 133 as a first direction and prevent the table body 133 from being detached from the mounting plate 162. The limiting block 164 is used for limiting the table body 133 of the sliding table 132, and when the table body 133 slides to a first limiting position along a first direction, the table body 133 abuts against one limiting block 164 to prevent the table body 133 from continuously sliding and falling out of the guide rail 163; when the platform 133 slides to the second limit position along the first direction, the platform 133 abuts against the other limit block 164 to prevent the platform 133 from sliding continuously to come out of the guide rail 163.

First drive 131 includes a drive cylinder 1311, a push rod 1312, and a slide 1313. The driving cylinder 1311 is fixedly installed on the frame 110, and is connected to the push rod 1312, and the driving cylinder 1311 can drive the push rod 1312 to move along the first direction. One end of the push rod 1312 far away from the driving cylinder 1311 is fixedly connected with the sliding block 1313, and the push rod 1312 can drive the sliding block 1313 to move synchronously in the moving process so as to drive the sliding table 132 to slide along the first direction. The limiting groove 138 is formed in the table body 133 of the sliding table 132, the limiting groove 138 is formed in the side face of the side, away from the lower cutter 125, of the table body 133, the sliding block 1313 is arranged in the limiting groove 138 in a sliding mode, and the limiting groove 138 can limit the sliding block 1313.

In this embodiment, when the fourth driving element 161 drives the stage 133 to rise along the vertical direction through the mounting plate 162, the sliding block 1313 slides downwards relative to the limiting groove 138; when the fourth driving member 161 drives the stage body 133 to descend in the vertical direction through the mounting plate 162, the sliding block 1313 slides upward relative to the limiting groove 138. Specifically, no matter the sliding block 1313 slides to any position in the sliding groove 137, the driving cylinder 1311 can drive the table body 133 to move in the first direction through the push rod 1312 and the sliding block 1313, so as to improve the stability of the moving process.

Referring to fig. 5, the detecting mechanism 140 includes a fifth driving member 141, a beam 142, a clamping member 143, and a tension sensor 144. The fifth driving element 141 is installed on the frame 110 and connected to the beam 142, and the fifth driving element 141 can drive the beam 142 to move along the second direction. The beam 142 is connected with the clamping piece 143, and the beam 142 can synchronously drive the clamping piece 143 to move along the second direction. The tension sensor 144 is disposed between the cross beam 142 and the clamping member 143, the clamping member 143 is used for clamping the adhesive tape 300, the tension sensor 144 is used for detecting the tension of the clamping member 143 on the adhesive tape 300 when the fifth driving member 141 drives the clamping member 143 to move along the second direction through the cross beam 142, the tension is the force required by peeling the coating layer from the current collector, and the peeling strength of the pole piece 200 can be calculated according to the tension.

In this embodiment, one side of the frame 110 is provided with a first sliding groove 111, and the other side is provided with a second sliding groove 112, and the extending directions of the first sliding groove 111 and the second sliding groove 112 are both vertical directions. Crossbeam 142's one end slides and sets up in first sliding tray 111, and the other end slides and sets up in second sliding tray 112, first sliding tray 111 and second sliding tray 112 combined action to carry on spacingly to crossbeam 142, guarantee that crossbeam 142 can only follow vertical direction and slide, thereby guarantee that holder 143 can only follow vertical direction and slide. Further, a cushion (not shown) is disposed in the clamping member 143, and the clamping member 143 clamps and fixes the adhesive tape 300 by the cushion to prevent the adhesive tape 300 from being damaged or broken.

In the detection process, the end of the adhesive tape 300 on the rubberizing transition plate 135 is manually clamped by the clamping piece 143; then, the fifth driving member 141 is started, the fifth driving member 141 drives the clamping member 143 to move along the second direction through the cross beam 142 so as to drive the coating layer to move vertically and upwardly, in the process, the first driving member 131 drives the current collector to move along the horizontal direction through the sliding table 132, and the moving speed of the clamping member 143 is the same as that of the sliding table 132, so that the coating layer and the current collector are always kept at a 90-degree stripping angle in the stripping process; when the cross beam 142 moves to the second preset position, the coating layer and the current collector are peeled off, and the peeling strength of the pole piece 200 at a peeling angle of 90 degrees is calculated according to the tension data detected by the tension sensor 144.

In this embodiment, the first driver 131, the second driver 121, the third driver 126, the fourth driver 161, and the fifth driver 141 are all cylinders. However, the present invention is not limited thereto, and in other embodiments, the first driving element 131, the second driving element 121, the third driving element 126, the fourth driving element 161, and the fifth driving element 141 may be all hydraulic cylinders, electric push rods 1312, or motors, and the types of the first driving element 131, the second driving element 121, the third driving element 126, the fourth driving element 161, and the fifth driving element 141 are not limited in particular.

The embodiment of the utility model provides a peel strength detection device 100, slide mechanism 130 includes first driving piece 131 and sliding stand 132, first driving piece 131 is connected with sliding stand 132, first driving piece 131 is used for driving sliding stand 132 and slides along the first direction, sliding stand 132 is used for fixing the mass flow body of pole piece 200, rubberizing mechanism 120 is used for pasting sticky tape 300 on the coating of pole piece 200, detection mechanism 140 is used for driving sticky tape 300 along the second direction motion, so that the coating moves along with the sticky tape, thereby peel off with the mass flow body; the first direction is perpendicular to the second direction, and the sliding speed of the sliding table 132 is the same as the moving speed of the detecting mechanism 140, so that the peeling angle between the coating layer and the current collector is maintained at 90 degrees. Compared with the prior art, the utility model provides a peel strength detection device 100 is owing to adopted the sliding stand 132 of being connected with first driving piece 131 and installed the detection mechanism 140 on frame 110, so can carry out the peel strength detection of 90 degrees peel angle to pole piece 200, degree of automation is high, and detection efficiency is high, and the testing result is accurate, convenient and practical.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A peeling strength detection device is characterized by comprising a rack, and a rubberizing mechanism, a sliding mechanism and a detection mechanism which are arranged on the rack, wherein the sliding mechanism comprises a first driving piece and a sliding table, the first driving piece is connected with the sliding table, the first driving piece is used for driving the sliding table to slide along a first direction, the sliding table is used for fixing a current collector of a pole piece, the rubberizing mechanism is used for gluing an adhesive tape on a coating layer of the pole piece, and the detection mechanism is used for driving the adhesive tape to move along a second direction so that the coating layer moves along with the adhesive tape and is peeled from the current collector;

wherein the first direction is perpendicular to the second direction, and the sliding speed of the sliding table is the same as the movement speed of the detection mechanism, so that the peeling angle between the coating layer and the current collector is kept at 90 degrees.

2. The peeling strength detection device according to claim 1, wherein the rubberizing mechanism includes a second driving member, a fixing frame and a rubberizing roller, the second driving member is connected with the fixing frame, the rubberizing roller is installed in the fixing frame and can rotate relative to the fixing frame, the rubberizing roller is used for winding the adhesive tape, and the second driving member can drive the rubberizing roller to roll on the pole piece to be pasted with the adhesive tape through the fixing frame.

3. The peel strength detecting device according to claim 2, further comprising an air pump, wherein the sliding table comprises a table body and an adsorption plate, the adsorption plate is fixedly connected to the table body, the adsorption plate is provided with an adsorption hole, the adsorption hole is communicated with the air pump, and the air pump is used for adsorbing and fixing the pole piece on the adsorption plate through the adsorption hole.

4. The peeling strength detecting device according to claim 3, wherein the taping mechanism further comprises an upper cutter assembly and a lower cutter, the upper cutter assembly is disposed between the second driving member and the fixing frame and connected to the second driving member, the lower cutter is fixedly connected to the table body, and the upper cutter assembly is configured to cooperate with the lower cutter to cut off the tape.

5. The peel strength detection apparatus according to claim 4, wherein the upper cutter assembly comprises a third driving member, a cutter holder and an upper cutter, the second driving member is connected to the cutter holder, the third driving member is mounted on the cutter holder and connected to the upper cutter, and the third driving member can drive the upper cutter to move toward or away from the lower cutter.

6. The peel strength detecting device according to claim 4, wherein the sliding table further comprises a rubberizing transition plate, and the rubberizing transition plate is fixedly connected to the table body and disposed between the adsorption plate and the lower cutter.

7. The peel strength detection device according to claim 1, further comprising a lifting mechanism, wherein the lifting mechanism comprises a fourth driving member and a mounting plate, the fourth driving member is mounted on the frame and connected to the mounting plate, the mounting plate is in sliding fit with the sliding table, and the fourth driving member can drive the sliding table to approach or separate from the rubberizing mechanism through the mounting plate, so as to adjust the rubberizing pressure of the rubberizing mechanism on the pole piece.

8. The peel strength detecting device according to claim 7, wherein the first driving member includes a driving cylinder, a push rod and a sliding block, the driving cylinder is fixedly mounted on the frame and connected to the push rod, an end of the push rod away from the driving cylinder is fixedly connected to the sliding block, the sliding table has a limiting groove, and the sliding block is slidably disposed in the limiting groove.

9. The peeling strength detecting device according to claim 7, wherein a guide rail is provided on the mounting plate, both ends of the guide rail are provided with limit blocks, the sliding table is provided with a sliding groove, the guide rail is provided in the sliding groove and can slide relative to the sliding groove, and the limit blocks are used for limiting the sliding table.

10. The peel strength detecting apparatus according to any one of claims 1 to 9, wherein the detecting mechanism includes a fifth driving member, a cross member, a clamping member, and a tension sensor, the fifth driving member is mounted on the frame and connected to the cross member, the cross member is connected to the clamping member, the tension sensor is disposed between the cross member and the clamping member, the clamping member is configured to clamp the adhesive tape, and the tension sensor is configured to detect a tension of the adhesive tape by the clamping member when the fifth driving member drives the clamping member to move in the second direction via the cross member.