CN113363587B

CN113363587B - Adhesive tape sticking mechanism

Info

Publication number: CN113363587B
Application number: CN202110486173.9A
Authority: CN
Inventors: 何海峰; 梁威; 彭利军; 陈俊梯
Original assignee: Kunshan Ju Innovative Energy Technology Co Ltd
Current assignee: Kunshan Ju Innovative Energy Technology Co Ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-12-06
Anticipated expiration: 2041-04-30
Also published as: CN113363587A

Abstract

The invention relates to an adhesive tape sticking mechanism. This tape sticking mechanism includes: a mounting seat; the first pasting part is arranged on the mounting seat and can move relative to the mounting seat along a first direction; the two ends of the first elastic piece are respectively connected with the first sticking part and the mounting seat and can elastically deform along a first direction; the second pasting part is positioned on one side of the first pasting part in the second direction and used for adsorbing the adhesive tape; the second sticking part is rotationally connected with the mounting seat through a first connecting shaft, the axis direction of the first connecting shaft is along a third direction, and the first direction, the second direction and the third direction are mutually perpendicular in pairs; and the torsional spring is sleeved on the first connecting shaft, and two ends of the torsional spring are respectively connected with the second sticking part and the mounting seat. Therefore, the adhesive tape can be tensioned when being stuck at the joint of the side surface and the main surface of the battery cell and is adaptive to the corner shape of the joint of the side surface and the main surface, and the effects of flatness, no redundant part and no corrugation are achieved.

Description

Adhesive tape sticking mechanism

Technical Field

The invention relates to the technical field of battery processing equipment, in particular to a tape sticking mechanism.

Background

In the production process of lithium ion batteries, cells need to be encapsulated in encapsulating films. The packaging film is divided into an insulating layer, a metal layer and a fusion layer, wherein the metal layer is used for isolating moisture. The process of packaging the battery core by the packaging film is to heat and fuse the fusion layer of the two layers of packaging films wrapped outside the battery core so as to realize packaging. And a sealing edge is formed on the side part of the encapsulated battery cell. After the seal edge is formed, the seal edge is usually bent to form a folded edge, and the folded edge is tightly attached to the battery core through the insulating tape. Hug closely the hem to electric core through insulating sticky tape, can make the exposed metal level of hem wrap up on the one hand, reach insulating purpose, on the other hand, can make the outward appearance uniformity of electric core good.

When hugging closely the hem to electric core on through insulating adhesive tape, the way that traditional rubberizing tape mechanism adopted is: and rolling and pasting the insulating adhesive tape on the battery cell by using a roller. Firstly, the middle part of the adhesive tape is pasted on the side surface of the battery cell, and then the upper part and the lower part of the adhesive tape are respectively pasted on the main surfaces (the upper surface and the lower surface) of the battery cell in a rolling way through the idler wheel. However, since the roller is directly rolled along the main surfaces (upper and lower surfaces) of the battery cell, the adhesive tape is liable to generate an excessive adhesive tape portion at the joint of the adhering portion of the main surfaces (upper and lower surfaces) and the adhering portion of the side surface of the battery cell (i.e., at the corner of the main surfaces and the side surface), resulting in the adhesive tape being wrinkled and uneven at the corner of the main surfaces and the side surface of the battery cell.

Disclosure of Invention

Based on this, it is necessary to provide a tape attaching mechanism capable of making a tape smooth and not easy to wrinkle at the corners of the main surface and the side surfaces of the battery cell, in order to solve the technical problem that when the conventional tape attaching mechanism attaches the folded edge to the battery cell through the tape, the tape is likely to wrinkle and not smooth at the corners of the main surface and the side surfaces of the battery cell.

The embodiment of the application provides a tape pasting mechanism, includes:

a mounting seat;

the first pasting part is mounted on the mounting seat and can move relative to the mounting seat along a first direction;

the two ends of the first elastic piece are respectively connected with the first attaching part and the mounting seat and can elastically deform along the first direction;

the second pasting part is positioned on one side of the first pasting part in the second direction and used for adsorbing the adhesive tape;

the second sticking part is rotatably connected with the mounting seat through the first connecting shaft, the axis direction of the first connecting shaft is along a third direction, and the first direction, the second direction and the third direction are mutually perpendicular in pairs; and

and the torsional spring is sleeved on the first connecting shaft, and two ends of the torsional spring are respectively connected with the second pasting part and the mounting seat.

The adhesive tape sticking mechanism adsorbs the adhesive tape through the adsorption capacity of the second sticking part, and enables the adhesive tape to be positioned on the same side of the second sticking part and the first sticking part. Then, the mounting seat is moved along the positive direction (the direction close to the battery cell) of the first direction until the first pasting part abuts against the folded edge of the battery cell, so that the part of the adhesive tape corresponding to the first pasting part can be pasted on the first side surface of the battery cell. The installation seat continues to be moved in the positive direction of the first direction until the second pasting part abuts against the first side face, and then the installation seat continues to be moved in the positive direction of the first direction, so that the first connecting shaft drives the second pasting part to move in the positive direction of the first direction and rotate around the axis of the first connecting shaft. And when the second sticking part rotates to the state that the second surface is parallel to the first main surface/the second main surface, the bonding surface of the adhesive tape can cover and be bonded on the first main surface/the second main surface, so that the folded edge can be tightly attached to the first side surface and reliably fixed with the battery cell. During the process that the second attaching part gradually passes over the connection part of the first side face and the first main surface/the second main surface, the adhesive tape forms inclined bonding parts at the connection part of the first side face and the first main surface/the second main surface respectively. And during this process the junction of the second surface and the third surface of the second patch can gradually pull on the tape in the advancing direction and press against the junction of the first side and the first/second major surface. Therefore, the bonding part can be tensioned when being stuck on the joint of the first side surface and the first main surface/the second main surface, and is adaptive to the corner shape of the joint of the first side surface and the first main surface/the second main surface, and the effects of flatness, no redundant part and no corrugation are achieved.

In one embodiment, the mounting seat has a first relative position and a second relative position arranged along the first direction relative to the first attaching portion, and the mounting seat can be switched from the first relative position to the second relative position by compressing the first elastic member;

the first patch part is provided with a first surface, and the second patch part is provided with a second surface for adsorbing adhesive tape;

when the mounting seat is in the first relative position relative to the first pasting part, the second surface and the first surface face the first direction, and the two faces along the first direction are the same (both faces the positive direction or the negative direction of the first direction).

In an embodiment, when the mounting seat is at a first relative position with respect to the first patch, the first surface exceeds the second surface along the orientation of the second surface and the first surface.

In one embodiment, the second patch has a third surface facing the second direction and facing the first patch, and a joint of the second surface and the third surface forms a fillet.

In one embodiment, the taping mechanism further comprises: the first vacuum joint is arranged on the second sticking part and is used for being connected to vacuum equipment; the second surface is provided with a plurality of adsorption holes, and the adsorption holes are communicated with the first vacuum joint.

In an embodiment, the number of the second patches is two, and the two second patches are respectively located on different sides of the first patch along the second direction; each of the second attaching portions is provided with the first connecting shaft and the torsion spring.

In one embodiment, the taping mechanism further comprises: the sliding mechanism comprises a sliding rail and a sliding block, the sliding block is connected with the mounting seat, and the sliding block is in sliding fit with the sliding rail along the first direction.

In one embodiment, the mount includes:

a first mounting portion;

the second mounting part is spaced from and arranged opposite to the first mounting part along a third direction; the first plaster part is positioned between the second mounting part and the first mounting part and is respectively connected with the second mounting part and the first mounting part in a sliding way along a first direction; and

and the supporting part is fixedly connected with the first mounting part and the second mounting part respectively and is used for supporting the first mounting part and the second mounting part.

In one embodiment, the mount further comprises: the third mounting part is positioned between the second mounting part and the first mounting part and is respectively and fixedly connected with the second mounting part and the first mounting part; the third mounting part is provided with a guide hole;

the tape attaching mechanism further comprises: and one end of the guide post is fixedly connected with the first sticking part, the other end of the guide post penetrates through the guide hole, and the guide hole is used for limiting the moving direction of the guide post along the first direction.

In one embodiment, the taping mechanism further comprises: and the ball shaft sleeve is arranged on the hole wall of the guide hole and sleeved on the guide pillar.

In an embodiment, the tape attaching mechanism further includes a limiting seat for limiting the battery cell along the first direction.

Drawings

FIG. 1 is a schematic structural view of a taping mechanism according to an embodiment;

FIG. 2 is a schematic view from another perspective of the taping mechanism of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 isbase:Sub>A cross-sectional view A-A of FIG. 3;

FIG. 5 is a schematic view of the connection relationship between the first attaching portion, the second attaching portion, the first connecting shaft and the torsion spring in FIG. 1;

fig. 6 to 11 are diagrams illustrating changes of the operation process of the tape attaching mechanism in fig. 1, in which the folded edge is attached to the first side surface of the battery cell by an adhesive tape.

The reference numbers indicate:

a taping mechanism 100;

an adhesive tape 200; a tape tray 220; an adhesive portion 210; a non-adhesive surface 201; an adhesive surface 202;

an electric core 300; a hem 310; a first major surface 301; a second major surface 302; a first side 303;

a mounting base 110; a first mounting portion 111; a second mounting portion 112; a support portion 113; a third mounting portion 114; a ball bushing 116; a handle 117;

a first patch portion 120; a first surface 121; a guide post 123;

a first elastic member 130;

a second attachment portion 140; a second attaching portion 140a; a second attaching portion 140b; a second surface 141; an adsorption hole 101; rounded corners 143;

a first connecting shaft 151; a torsion spring 152; a bearing 153;

a first vacuum fitting 160;

a work table 180; a limiting seat 181;

a slide rail 191; a slider 192.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 5, an embodiment of the present application provides a tape attaching mechanism 100. The tape attaching mechanism 100 is used to attach a folded edge (not shown) formed by a sealing edge of the battery cell 300 to a surface of the battery cell 300 by the tape 200. The taping mechanism 100 includes: the mounting base 110, the first attaching portion 120, the first elastic member 130, the second attaching portion 140, the first connecting shaft 151, and the torsion spring 152. The first attaching portion 120 is mounted to the mounting base 110 and is capable of moving relative to the mounting base 110 along the first direction X. Both ends of the first elastic member 130 are connected to the first attaching part 120 and the mounting seat 110, respectively, and are elastically deformable in the first direction X. The second attaching portion 140 is located at one side of the first attaching portion 120 in the second direction Z, and serves to absorb the adhesive tape 200. The second attaching portion 140 is rotatably connected to the mounting base 110 by a first connecting shaft 151, and an axial direction of the first connecting shaft 151 is along the third direction Y. The first direction X, the second direction Z and the third direction Y are mutually vertical pairwise. The torsion spring 152 is sleeved on the first connecting shaft 151, and two ends of the torsion spring 152 are respectively connected with the second attaching portion 140 and the mounting base 110.

The specific directions of the first direction X, the second direction Z and the third direction Y are shown in fig. 1. In this embodiment, the direction indicated by the arrow in the first direction X is a positive direction of the first direction X, and the opposite direction is a negative direction of the first direction X. The direction indicated by the arrow in the second direction Z is a positive direction of the second direction Z, and the opposite direction is a negative direction of the second direction Z. The direction indicated by the arrow of the third direction Y is a positive direction of the third direction Y, and the opposite direction is a negative direction of the third direction Y.

Specifically, referring to fig. 1 and 2, the mounting base 110 includes: a first mounting portion 111, a second mounting portion 112, and a support portion 113. In the present embodiment, the first mounting portion 111, the second mounting portion 112, and the supporting portion 113 are each plate-shaped. The second mounting portion 112 is spaced from and opposite to the first mounting portion 111 along the third direction Y. One end of the first mounting portion 111 and one end of the second mounting portion 112 are fixedly connected to the supporting portion 113, respectively, so that the supporting portion 113 can support the first mounting portion 111 and the second mounting portion 112.

The first attaching portion 120 may have a plate shape, a block shape, or the like. Similarly, the second attaching portion 140 may have a plate shape, a block shape, or the like. The first attaching portion 120 is located between the second mounting portion 112 and the first mounting portion 111, and is slidably connected to the second mounting portion 112 and the first mounting portion 111, respectively. Specifically, the second mounting portion 112 and the first mounting portion 111 are respectively provided with a guide groove (not shown) extending in the first direction X. One end of the first attaching portion 120 is in sliding fit with the guide groove on the first mounting portion 111, and the other end of the first attaching portion 120 is in sliding fit with the guide groove on the second mounting portion 112, so that the first attaching portion 120 and the mounting base 110 can move relatively along the first direction X through the sliding fit of the first attaching portion 120 and the guide groove. Wherein the guiding groove guides the relative movement of the first attaching portion 120 and the mounting base 110.

Specifically, referring to fig. 2, the mounting base 110 further includes: and a third mounting portion 114. The third mounting portion 114 may also be a mounting plate. The third mounting portion 114 is located between the second mounting portion 112 and the first mounting portion 111, and two ends of the third mounting portion 114 are fixedly connected to the second mounting portion 112 and the first mounting portion 111, respectively. The third mounting portion 114 is located on one side of the first attaching portion 120 in the first direction X. The third mounting portion 114 is provided with a guide hole (not shown) whose axial direction is the first direction X.

Referring to fig. 5, the taping mechanism 100 further includes a guide post 123. One end of the guide post 123 is fixedly connected to the first attaching portion 120 by means of screw connection, and the other end is inserted into the guide hole and is adapted to the guide hole. When the guide post 123 moves relative to the third mounting portion 114 along the guide hole, the first attaching portion 120 moves relative to the third mounting portion 114 along the first direction X, so that the first attaching portion 120 and the mounting base 110 move relative to each other along the first direction X. Since the axial direction of the guide hole is the first direction X, the guide post 123 and the first attaching portion 120 are both limited to move relative to the third mounting portion 114 along the first direction X, so as to perform a guiding function.

The first elastic member 130 may be a spring, such as a compression spring. Referring to fig. 2 and 5, in the present embodiment, the first elastic element 130 is sleeved on the guide post 123 and located between the third mounting portion 114 and the first attaching portion 120, so that the first elastic element 130 is respectively abutted against the third mounting portion 114 and the first attaching portion 120. When the first attaching portion 120 and the mounting base 110 move relatively along the first direction X, the first elastic member 130 elastically deforms along the guide post 123. Therefore, the guide post 123 can guide the deformation direction of the first elastic member 130 along the first direction X, so as to play a guiding role, thereby ensuring that the first attaching part 120 and the mounting seat 110 move relatively along the first direction X.

Referring to fig. 1, 4 and 5, the second pasting part 140 is located on one side of the first pasting part 120 in the second direction Z. In the present embodiment, the number of the second patches 140 is two, namely, the second patch 140a and the second patch 140b. The two second attaching portions 140 (140 a, 140 b) are respectively located on different sides of the first attaching portion 120 in the second direction Z, wherein one second attaching portion 140a is located on one side of the first attaching portion 120 in the positive direction of the second direction Z, and the other second attaching portion 140b is located on one side of the first attaching portion 120 in the opposite direction of the second direction Z. The second attaching portion 140 has an adsorption function for adsorbing the adhesive tape 200.

As shown in fig. 5, in the present embodiment, the second attaching portion 140 is fixedly connected to the first connecting shaft 151. One end of the first connecting shaft 151 is rotatably connected to the first mounting portion 111 through the bearing 153, and the other end of the first connecting shaft is rotatably connected to the second mounting portion 112 through the bearing 153, so that the first connecting shaft 151 can rotate relative to the mounting base 110, and the second attaching portion 140 can rotate relative to the mounting base 110.

The torsion spring 152 is sleeved on the first connecting shaft 151. A torsion spring 152 is provided at each end of the first connecting shaft 151. One of the torsion springs 152 is located between the second attaching portion 140 and the first mounting portion 111, one end of the torsion spring 152 is fixedly connected with the second attaching portion 140, and the other end is fixedly connected with the corresponding first mounting portion 111. Another torsion spring 152 is located between the second attaching portion 140 and the second mounting portion 112, one end of the torsion spring 152 is fixedly connected to the second attaching portion 140, and the other end is fixedly connected to the corresponding second mounting portion 112. Therefore, when the second attaching portion 140 rotates relative to the first mounting portion 111 and the second mounting portion 112, the torsion spring 152 is elastically twisted.

Further, as mentioned above, when the first attaching portion 120 and the mounting base 110 move relatively along the first direction X, the relative position between the two can be changed. The mounting base 110 has a first relative position and a second relative position arranged along the first direction X with respect to the first attaching portion 120, and the mounting base 110 can be switched from the first relative position to the second relative position by compressive deformation of the first elastic member 130.

Specifically, as mentioned above, the first elastic member 130 is located between the first attaching portion 120 and the third mounting portion 114 and abuts against the first attaching portion 120 and the third mounting portion 114, respectively, so that the first attaching portion 120 and the third mounting portion 114 compress the first elastic member 130 when they approach each other. That is, when the first relative position is switched to the second relative position, the amount of compressive deformation of the first elastic member 130 increases, and the distance between the first attaching portion 120 and the third attaching portion 114 decreases.

The first attaching portion 120 has a first surface 121, and the first surface 121 faces the positive direction of the first direction X. The second patch 140 has a second surface 141. In fig. 6-8, the mount 110 is in a first relative position with respect to the first patch 120. When the mounting base 110 and the first attaching portion 120 are at the first relative position, the second surface 141 and the first surface 121 both face the first direction X, and both face the same direction along the first direction X and both face the positive direction of the first direction X.

Referring to fig. 6 to 11, the battery cell 300 has a first main surface 301, a second main surface 302 opposite to the first main surface 301, and a first side surface 303. The orientation of the first main surface 301 and the orientation of the second main surface 302 coincide with the thickness direction of the battery cell 300. The two ends of the first side 303 are connected to the first main surface 301 and the second main surface 302, respectively. The first side 303 has a flap 310. The taping mechanism 100 is used to apply the flap 310 to the first side 303 via the tape 200.

The operation of the taping mechanism 100 to apply the hem 310 to the first side 303 via the tape 200 is described as follows:

step S100: and (3) placing the battery cell 300 to be taped in a taping station, and positioning the battery cell 300 to keep the battery cell 300 still. When the battery cell 300 is at the taping station, the position of the first pasting part 120 along the second direction Z corresponds to the position of the first side surface 303 along the second direction Z.

Specifically, as shown in fig. 6, after the battery cell 300 is placed in the taping station, the position of the first pasting part 120 along the second direction Z corresponds to the position of the first side 303 along the second direction Z, so that the first surface 121 can be aligned with the first side 303 along the first direction X and aligned with the folded edge 310. The two second patches 140 are respectively located on different sides of the first patch 120 in the second direction Z.

Step S200: the adhesive tape 200 is adsorbed to the second surface 141 by the adsorption capacity of the second patch 140.

Specifically, as shown in fig. 7, the adhesive tape 200 has a non-adhesive surface 201 and an adhesive surface 202 disposed opposite the non-adhesive surface 201. The non-adhesive side 201 may be applied to the second surface 141 of the second patch 140. The second attachment portion 140 has an adsorption capability, so that the non-adhesive surface 201 of the tape 200 can be adsorbed on the second surface 141.

Since the mounting base 110 and the first attaching portion 120 are in the first relative position, the second surface 141 and the first surface 121 are both oriented to the positive direction of the first direction X. Therefore, as shown in fig. 7, when the tape 200 is adhered to one side of the second surface 141, the tape 200 is positioned on the same side (positive direction side of the first direction X) of the first surface 121 and the second surface 141, so that the non-adhesive surface 201 of the tape 200 can be closely attached to the first surface 121 at the same time.

As shown in fig. 7, along the second direction Z, the adhesive tape 200 is divided into three parts, a first part clings to the second surface 141 of the second patch 140a, a second part clings to the first surface 121, and a third part clings to the second surface 141 of the second patch 140b. In one-to-one correspondence with the three portions, the bonding surface 202 is also divided into three portions, and the non-bonding surface 201 is also divided into three portions.

Step S300: the mounting base 110 is moved in the positive direction of the first direction X until the first attaching portion 120 abuts against the flange 310.

Specifically, with reference to fig. 7 and 8, by moving the mount 110 in the positive direction of the first direction X, the first attaching portion 120 and the second attaching portion 140 move synchronously in the positive direction of the first direction X. Since the first surface 121 of the first attachment portion 120 is aligned with the first side 303 and the flap 310, the corresponding second portion of the adhesive surface 202 of the tape 200 can be adhered to the flap 310 and the first side 303. The first attachment portion 120 can indirectly contact the folded edge 310 and the first side surface 303 via the second portion of the tape 200.

Step S400: when the mounting base 110 and the first patch 120 are in the first relative position, a distance between the two third surfaces 142 is smaller than the thickness of the battery cell 300. After step S300, continuing to move the mounting base 110 in the positive direction of the first direction X until the second attaching portion 140 abuts against the first side surface 303, and then continuing to move the mounting base 110 in the positive direction of the first direction X, so that the first connecting shaft 151 drives the second attaching portion 140 to simultaneously move in the positive direction of the first direction X and rotate around the axis of the first connecting shaft 151; until second overlay 140 is rotated such that second surface 141 is parallel to first major surface 301 and/or second major surface 302, bonding face 202 of tape 200 can overlie and bond to first major surface 301 and/or second major surface 302.

Specifically, as shown in fig. 6 to 8, the second patch 140 has a third surface 142. When the mounting base 110 and the first patch 120 are at the first relative position, the third surface 142 is opposite to the first patch 121 and faces the second direction Z. The positive direction of the first major surface 301 in the second direction exceeds the third surface 142 of the second patch 140 a. The second major surface 302 extends beyond the third surface 142 of the second patch 140b in a direction opposite the second direction. As can be seen, the third surfaces 142 of the two second patches 140b do not extend beyond the first side 303 along the second direction Z, so that the distance between the two third surfaces 142 is smaller than the thickness of the battery cell 300.

In step S300, when the first attached portion 120 abuts against the folded edge 310 and the first side surface 303, the first attached portion 120 cannot move continuously in the positive direction of the first direction X. At this time, when the mount base 110 is further moved in the positive direction of the first direction X, the first attaching portion 120 remains stationary, and the third mounting portion 114 compresses the first elastic member 130 and moves closer to the first attaching portion 120, so that the relative position of the mount base 110 with respect to the first attaching portion 120 changes, and the first relative position is switched to the second relative position. In fig. 9 to 11, the relative position between the mounting base 110 and the first attaching portion 120 is a second relative position.

It can be understood that, in the process of fig. 8 to 11, during the process that the third mounting portion 114 compresses the first elastic member 130 and moves close to the first attaching portion 120, the mounting base 110 drives the first connecting shaft 151 to move synchronously along the positive direction of the first direction X, so that the first connecting shaft 151 drives the second attaching portion 140 to move along the positive direction of the first direction X.

With reference to fig. 8 and 9, since the third surfaces 142 of the two second pasting parts 140 (140 a, 140 b) do not exceed the first side surface 303 along the second direction Z, the second pasting part 140 is blocked by the first side surface 303 when moving to the first side surface 303 along the positive direction of the first direction X. As shown in fig. 9, the joint of the second surface 141 and the third surface 142 of the second attaching portion 140 (140 a, 140 b) abuts against the first side surface 303, and at this time, since the first connecting shaft 151 continues to move along with the mounting base 110 in the positive direction of the first direction X, the first connecting shaft 151 drives the second attaching portion 140 to overcome the elastic force of the torsion spring 152 and rotate around the axis of the first connecting shaft 151, and further, the angle of the second attaching portion 140 is inclined, and the included angle between the bonding surface 202 of the adhesive tape 200 and the first main surface 301 and the second main surface 302 gradually decreases.

With reference to fig. 9 to 10, during the rotation of the second pasting part 140 (140 a, 140 b), the joint of the second surface 141 and the third surface 142 of the second pasting part 140a moves in the positive direction of the second direction Z, and the joint of the second surface 141 and the third surface 142 of the second pasting part 140b moves in the opposite direction of the second direction Z. And since the first connecting shaft 151 continues to move along with the mounting base 110 along the positive direction of the first direction X of the second sticker 140, the joint of the second surface 141 and the third surface 142 of the second sticker 140a moves along the positive directions of the first direction X and the second direction Z at the same time, the joint of the second surface 141 and the third surface 142 of the second sticker 140b moves along the opposite directions of the first direction X and the second direction Z at the same time, and further, the second sticker 140a can gradually pass over the joint of the first side surface 303 and the first main surface 301, and the second sticker 140b can gradually pass over the joint of the first side surface 303 and the second main surface 302. Also, during this rotation of the second patch 140 (140 a, 140 b), the junction of the second surface 141 and the third surface 142 of the second patch 140 (140 a, 140 b) exerts a certain pressure on the junction of the first side 303 and the first/second

main surfaces

301, 302.

It can be understood that, as the angle of the second attaching portion 140 (140 a, 140 b) is inclined and the included angle between the bonding surface 202 of the tape 200 and the first main surface 301 and the second main surface 302 is gradually reduced in the process that the second attaching portion 140a gradually crosses the connection between the first side surface 303 and the first main surface 301 and the second attaching portion 140b gradually crosses the connection between the first side surface 303 and the first main surface 301, when the second surface 141 of the second attaching portion 140a is opposite to and parallel to the first main surface 301 and the second surface 141 of the second attaching portion 140b is opposite to and parallel to the second main surface 302 as the angle of the second attaching portion 140 (140 a, 140 b) is continuously inclined, the first portion of the tape 200 sucked on the second attaching portion 140a covers and is bonded to the first main surface 301 and the third portion of the tape 200 sucked on the second attaching portion 140b can cover and is bonded to the second main surface 302, that is the state shown in fig. 11. At this time, the second patch 140a completely passes through the joint between the first side surface 303 and the first main surface 301, and the second patch 140b completely passes through the joint between the first side surface 303 and the second main surface 302.

It is emphasized that, in this step, since the distance between the two third surfaces 142 is smaller than the thickness of the battery cell 300, the adhesive tape 200 forms the inclined bonding portions 210 at the junctions of the first side 303 and the first main surface 301/the second main surface 302, respectively, in the process that the second patches 140 (140 a, 140 b) gradually pass over the junctions of the first side 303 and the first main surface 301/the second main surface 302 (see fig. 10 and 11). Also, in this process, since the junction of the second surface 141 and the third surface 142 of the second patch 140 (140 a, 140 b) is gradually moved in the first direction X and the second direction Z at the same time, the junction of the second surface 141 and the third surface 142 of the second patch 140 (140 a, 140 b) can be gradually moved in the corner shape of the junction of the first side 303 and the first main surface 301/the second main surface 302 in this process. Also, since the joint of the second surface 141 and the third surface 142 of the second patch 140 exerts a certain pressure on the joint of the first side 303 and the first main surface 301/the second main surface 302 during the process, the joint of the second surface 141 and the third surface 142 of the second patch 140 (140 a, 140 b) can gradually pull the adhesive tape 200 in the advancing direction and press the joint of the first side 303 and the first main surface 301/the second main surface 302 during the moving process. Therefore, the adhesive part 210 can be tensioned when being adhered to the joint of the first side 303 and the first main surface 301/the second main surface 302, and can be adapted to the shape of the corner of the joint of the first side 303 and the first main surface 301/the second main surface 302, so as to achieve the effects of flatness, no excess part and no wrinkles.

The tape attaching mechanism 100 attaches the tape 200 by the attaching capability of the second attaching portion 140, and the tape 200 is located on the same side of the second attaching portion 140 and the first attaching portion 120. Then, the mount base 110 is moved in the positive direction of the first direction X until the first adhesive tape portion 120 abuts against the flange 310 of the battery cell 300, and the portion of the adhesive tape 200 corresponding to the first adhesive tape portion 120 can be adhered to the first side surface 303 of the battery cell 300. The mounting base 110 continues to be moved in the positive direction of the first direction X until the second pasting part 140 abuts against the first side surface 303, and then the mounting base 110 continues to be moved in the positive direction of the first direction X, so that the first connecting shaft 151 drives the second pasting part 140 to simultaneously move in the positive direction of the first direction X and rotate around the axis of the first connecting shaft 151. Until the second attaching part 140 rotates until the second surface 141 is parallel to the first main surface 301/the second main surface 302, the bonding surface 202 of the adhesive tape 200 can cover and be bonded to the first main surface 301/the second main surface 302, so that the folded edge 310 can be attached to the first side surface 303 and reliably fixed to the battery cell 300.

Since the interval between the two third surfaces 142 is smaller than the thickness of the battery cell 300, the adhesive tape 200 forms inclined adhesive portions 210 at the junctions of the first side 303 and the first main surface 301/the second main surface 302, respectively, in the process in which the second patches 140 (140 a, 140 b) gradually pass over the junctions of the first side 303 and the first main surface 301/the second main surface 302 (see fig. 10 and 11). And in the process, the junction of the second surface 141 and the third surface 142 of the second tab 140 (140 a, 140 b) can gradually pull the tape 200 in the advancing direction and press the junction of the first side 303 and the first major surface 301/second major surface 302 forward. Therefore, the adhesive part 210 can be tensioned when being adhered to the joint of the first side 303 and the first main surface 301/the second main surface 302, and can be adapted to the shape of the corner of the joint of the first side 303 and the first main surface 301/the second main surface 302, so as to achieve the effects of flatness, no excess part and no wrinkles.

Since the first attachment portion 120 is kept stationary after the first attachment portion 120 abuts against the folded edge 310, when the mounting base 110 continues to move in the positive direction of the first direction X in step S400, the first elastic member 130 needs to be compressed against the elastic force of the first elastic member 130, and the position is switched to the second relative position. In step S400, after the connection portion of the second surface 141 and the third surface 142 of the second sticker 140 abuts against the first side surface 303, at this time, because the first connecting shaft 151 continues to move along the positive direction of the first direction X along with the mounting base 110, the first connecting shaft 151 drives the second sticker 140 to overcome the elastic force of the torsion spring 152 and rotate around the axis of the first connecting shaft 151. It can be seen that, since the mounting base 110 needs to be moved by overcoming the elastic force of the first elastic member 130 and the torsion spring 152 needs to be overcome in step S400 to enable the second attachment portion 140 to simultaneously move in the positive direction of the first direction X and rotate around the axis of the first connecting shaft 151, the second attachment portion 140 moves gradually and slowly pulls the adhesive tape 200 to advance during the process of adhering the adhesive tape 200 gradually around the joint of the first side surface 303 and the first main surface 301/the second main surface 302, so that the adhesive portion 210 of the adhesive tape 200 at the joint of the first side surface 303 and the first main surface 301/the second main surface 302 can be tensioned, and is flat and not easy to wrinkle.

Further, since the second attaching portion 140 absorbs the adhesive tape 200 during the whole process of attaching the adhesive tape 200, the adhesive tape 200 is not stuck on the battery cell 300 too quickly, and is not prone to wrinkle. The process of moving the mounting base 110 and pasting the adhesive tape 200 can be realized, and the adhesive tape 200 can be uniformly and smoothly pasted on the battery cell 300.

It is understood that in other embodiments, only one second patch 140a may be provided, and the second patch 140b may not be provided. The flap 310 can also be bonded to the battery cell 300 by attaching the adhesive tape 200 to the first side surface 303 and the first main surface 301 via the second attachment portion 140a and the first attachment portion 120, respectively.

It should be noted that the second surface 141 and the third surface 142 are oriented differently. In the present embodiment, and during the movement of the first connection shaft 151 along the first direction X, the position of the first connection shaft 151 along the second direction Z is not changed, the junction of the second surface 141 and the third surface 142 moves close to the first connection shaft 151 along the second direction Z, and therefore, the second patch 140 must have the second surface 141 and the third surface 142 facing different from each other. The shape of the second patch 140 is, for example, a block shape as shown in fig. 6 to 11, and cannot be a cylindrical shape.

Referring to fig. 6 to 8, in an embodiment, when the mounting base 110 and the first attaching portion 120 are at the first relative position, the first surface 121 exceeds the second surface 141 along the direction of the second surface 141 and the first surface 121.

Specifically, when the mounting base 110 and the first pasting part 120 are in the first relative position, the first surface 121 and the second surface 141 face the same direction, and both face the positive direction of the first direction X. At this time, the first surface 121 exceeds the second surface 141 in the positive direction of the first direction X. In fig. 6 to 8, that is, the first surface 121 is located on a side of the second surface 141 close to the battery cell 300, so that it can be ensured that: in the process that the mounting base 110 moves close to the battery cell 300 along the positive direction of the first direction X, the second portion of the adhesive tape 200 corresponding to the first surface 121 is firstly adhered to the folded edge 310 and the first side 303 of the battery cell 300, so as to ensure that: when the mount 110 continues to move in the positive direction of the first direction X, the second attaching portion 140 (140 a, 140 b) moves toward the junction of the first side surface 303 and the first main surface 301/the second main surface 302 and rotates about the axis of the first connecting shaft 151.

That is to say, by the technical solution in this embodiment, it can be ensured that: the sequence of the first and

second attachment portions

120 and 140 to attach the tape 200 ensures that the angled, flat adhesive portion 210 is formed when the tape 200 is attached to the junction of the first side 303 and the first/second

major surfaces

301 and 302.

Referring to fig. 5, in another embodiment, a rounded corner 143 is formed at a connection point of the second surface 141 and the third surface 142, so that when the second patch 140 rotates around the axis of the first connecting shaft 151, and the connection point of the second surface 141 and the third surface 142 moves along a connection point of the first side 303 and the first main surface 301/the second main surface 302, the connection point of the second surface 141 and the third surface 142 is not easily scratched on the connection point of the battery cell 300 along the first side 303 and the first main surface 301/the second main surface 302.

Referring to fig. 1 and 5, in an embodiment, the tape attaching mechanism 100 further includes: a first vacuum fitting 160. The first vacuum connection 160 is for connection to a vacuum device (not shown), such as a vacuum pump. The second surface 141 is provided with a plurality of suction holes 101, and the suction holes 101 are communicated with the first vacuum connector 160.

Specifically, the first vacuum connector 160 may be mounted to the second patch 140. Since the suction hole 101 communicates with the first vacuum joint 160, it can be connected to a vacuum apparatus. The vacuum apparatus can evacuate the adsorption holes 101 through the vacuum joints, so that negative pressure is formed in the adsorption holes 101. Since the suction holes 101 are provided at the second surface 141, the second surface 141 can suck the tape 200.

In the process of adhering the adhesive tape 200, the adhesive tape 200 bears the vacuum adsorption force, so that the adhesive tape 200 cannot be adhered to the battery cell 300 too fast, and the adhesive tape is favorable for moving the mounting base 110 and adhering. Wherein, the dynamics of putting the sticky tape accessible is adjusted through adjusting vacuum value of vacuum apparatus.

After completing one tape 200 application operation, the mounting base 110 may be retracted to the initial working position in the opposite direction of the first direction X, so that the next tape 200 application operation may be performed.

Referring to fig. 1 and 2, in an embodiment, the tape attaching mechanism 100 further includes a table 180, and the mounting base 110 is disposed on the table 180 and can move relative to the table 180 along the first direction X. Specifically, the table 180 can support the mount 110 and provide a moving space for the mount 110.

Referring to fig. 1 and 2, in an embodiment, the taping mechanism 100 further includes a sliding mechanism. The sliding mechanism comprises a sliding rail 191 and a sliding block 192, the sliding rail 191 is arranged on the workbench 180, the sliding block 192 is connected with the mounting seat 110, and the sliding block 192 is in sliding fit with the sliding rail 191 along the first direction X, so that the mounting seat 110 can be ensured to move in the first direction X through the matching of the sliding rail 191 and the sliding block 192, and the guiding effect is further realized. In addition, the sliding rail 191 and the sliding block 192 have small friction force, and can also play a role in reducing friction resistance on the mounting seat 110.

Referring to FIG. 4, in one embodiment, the taping mechanism 100 includes a ball sleeve 116. The ball bushing 116 is mounted on the wall of the guide hole and sleeved on the guide post 123, so that the guide post 123 can move along the ball bushing 116 and the third mounting portion 114 relatively, and friction resistance when the guide post 123 moves along the guide hole and the third mounting portion 114 relatively can be reduced.

Referring to fig. 1, in an embodiment, the tape attaching mechanism 100 further includes a limiting seat 181 for limiting a position of the battery cell 300 along the first direction X.

Specifically, the limiting seat 181 may be fixed to the worktable 180 by means of bolting, etc. Referring to fig. 1 and fig. 2, in the present embodiment, a groove (not shown) may be formed on the limiting seat 181. The recess has an opening. The opening is directed opposite to the first direction X, i.e. towards the first surface 121 of the first patch 120.

It will be appreciated that the recess has an inner wall facing in a direction opposite to the first direction X, i.e. towards the first surface 121 of the first patch 120. By inserting the battery cell 300 into the groove, the inner wall can block the battery cell 300 from moving toward the positive direction of the first direction X.

When the taping tape 200 is operated, and the above steps S300 and S400 are performed, the first attaching portion 120 abuts against the battery cell 300 and abuts against the battery cell 300 in the positive direction of the first direction X, so that the first attaching portion 120 and the inner wall can clamp the battery cell 300 in the first direction X, and the position of the battery cell 300 in the first direction X is fixed.

Therefore, in the embodiment, the position of the battery cell 300 is limited only from one side by the limiting seat 181, and the position of the battery cell 300 in the first direction X is fixed by the matching of the limiting seat 181 and the first attaching part 120.

It is understood that, in other embodiments, the position-limiting seat 181 may also be in other structural forms, and the battery cell 300 may also be fixed from two sides of the first direction X by using the position-limiting seat in other structural forms, but is not limited in this embodiment to limit the position of the battery cell 300 from only one side by using the position-limiting seat 181.

Referring to fig. 1 and 2, in the present embodiment, an adhesive tape tray 220 is further disposed on the worktable 180. The adhesive tape 200 is wound on the tape reel 220. When it is necessary to attach the adhesive tape 200, a portion of the adhesive tape 200 may be removed from the adhesive tape tray 220 by manually preparing the adhesive or automatically pulling the adhesive, so that the adhesive tape 200 is spread and adsorbed to the second attachment portion 140.

Referring to fig. 2, in one embodiment, the taping mechanism 100 further includes a handle 117. The handle 117 is provided on the supporting portion 113 or the third mounting portion 114. The mount 110 may be pushed or pulled by the handle 117 to thereby move the mount 110 in the first direction X.

All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A taping mechanism, comprising:

a mounting seat;

the torsional spring is sleeved on the first connecting shaft, and two ends of the torsional spring are respectively connected with the second pasting part and the mounting seat;

the mounting seat has a first relative position and a second relative position which are arranged along the first direction relative to the first sticking part, and the mounting seat can be switched from the first relative position to the second relative position by compressing the first elastic piece;

the first attaching part is provided with a first surface, and the second attaching part is provided with a second surface for adsorbing adhesive tape;

when the mounting seat is at the first relative position relative to the first patch, the second surface and the first surface are both facing the first direction, and the two are facing the same along the first direction.

2. A taping mechanism according to claim 1, wherein the mounting formation is in a first relative position with respect to the first attachment formation, the first surface being beyond the second surface in the direction of the second and first surfaces.

3. The taping mechanism of claim 1, wherein the second application portion has a third surface facing in the second direction and facing the first application portion, the junction of the second surface and the third surface forming a rounded corner.

4. A taping mechanism according to claim 1, further comprising: the first vacuum joint is arranged on the second sticking part and is used for being connected to vacuum equipment; the second surface is provided with a plurality of adsorption holes, and the adsorption holes are communicated with the first vacuum joint.

5. A taping mechanism according to any of claims 1 to 4, wherein the number of the second taping portions is two, the two second taping portions being located respectively on different sides of the first taping portion in the second direction; each of the second attaching portions is provided with the first connecting shaft and the torsion spring.

6. A taping mechanism according to claim 1, further comprising: the sliding mechanism comprises a sliding rail and a sliding block, the sliding block is connected with the mounting seat, and the sliding block is in sliding fit with the sliding rail along the first direction.

7. A taping mechanism according to claim 1, wherein the mounting block comprises:

a first mounting portion;

the second mounting part is spaced from and arranged opposite to the first mounting part along a third direction; the first adhesive part is positioned between the second mounting part and the first mounting part and is respectively connected with the second mounting part and the first mounting part in a sliding way along a first direction; and

8. The taping mechanism of claim 7,

the mount pad still includes: the third mounting part is positioned between the second mounting part and the first mounting part and is respectively and fixedly connected with the second mounting part and the first mounting part; the third mounting part is provided with a guide hole;

the tape sticking mechanism further comprises: one end of the guide post is fixedly connected with the first sticking part, the other end of the guide post penetrates through the guide hole, and the guide hole is used for limiting the moving direction of the guide post along the first direction; the first elastic piece is sleeved on the guide post and positioned between the first attaching part and the third mounting part.

9. A taping mechanism according to claim 8, further comprising: and the ball bearing shaft sleeve is arranged on the hole wall of the guide hole and sleeved on the guide pillar.