CN211605312U - Battery core rubber coating device and battery core rubber coating machine - Google Patents

Abstract

The application relates to a battery core rubber coating device and a battery core rubber coating machine, and belongs to the technical field of battery core manufacturing. The application provides a battery cell encapsulation device, which comprises a rack; the battery cell positioning mechanism is arranged on the rack and used for placing the battery cell; and the pressing mechanism is used for elastically pressing the upper surface of the battery cell, and the pressing mechanism can clamp the battery cell together with the battery cell positioning mechanism at the upper end and the lower end of the battery cell and synchronously drive the battery cell to rotate so as to enable the battery cell to rotate and wrap the adhesive tape around the peripheral wall. The application also provides a battery core rubber coating machine, which comprises the battery core rubber coating device. Because electric core positioning mechanism and push down the mechanism in the upper and lower both ends centre gripping electric core of electric core, and in upper and lower both ends synchronous drive electric core rotation, the electric core rubber coating device of this application embodiment makes electric core rotate in-process internal stress evenly, can enough realize the rubber coating, can guarantee the quality of electric core again.

Description

Battery core rubber coating device and battery core rubber coating machine

Technical Field

The application relates to the technical field of battery core manufacturing, in particular to a battery core rubber coating device and a battery core rubber coating machine.

Background

In the electric core field of making, when encapsulating the lamination formula column electricity core, use generally and send the mucilage binding device to deliver to electric core perisporium surface with the adhesive tape tip, one side of adhesive tape has viscidity, and the tip of adhesive tape glues in electric core perisporium surface, drives adhesive tape around electric core a week through rotating electric core, accomplishes the rubber coating action.

However, in the existing encapsulation process, only a rotating seat is usually provided, the battery cell is placed on the rotating seat, and the rotating seat lifts the battery cell and drives the battery cell to rotate. The mode of driving the rotation of the battery core leads to the internal part of the battery core to generate torque easily due to rotation, and then the quality of the battery core is influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, the application provides a battery core rubber coating device and a battery core rubber coating machine, which can not only rubber coat the battery core, but also ensure the internal quality of the battery core.

The battery cell encapsulation device comprises a rack; the battery cell positioning mechanism is arranged on the rack and used for placing the battery cell; and the pressing mechanism is used for elastically pressing the upper surface of the battery cell, and the pressing mechanism can clamp the battery cell together with the battery cell positioning mechanism at the upper end and the lower end of the battery cell and synchronously drive the battery cell to rotate so as to enable the battery cell to rotate and wrap the adhesive tape around the peripheral wall.

Because electric core positioning mechanism and push down the mechanism and in the upper and lower both ends centre gripping electric core of electric core, and in upper and lower both ends synchronous drive electric core rotation, for current only in the one end of electric core drive electric core pivoted embodiment, the electric core rubber coating device of this application embodiment makes electric core rotate in-process internal stress evenly, can enough realize the rubber coating, can guarantee the quality of electric core again.

In addition, the cell encapsulation device according to the embodiment of the application also has the following additional technical characteristics:

according to some embodiments of the present application, the hold-down mechanism includes a first base slidably engaged with the frame; the first lifting driving mechanism is arranged on the rack and used for driving the first base to lift relative to the rack; and the first rotation driving mechanism is arranged on the first base and used for compressing the battery cell and driving the battery cell to rotate together with the battery cell positioning mechanism. The mechanism that pushes down of this kind of form can enough realize going up and down, again can the butt in the upper surface of electric core to rotate with electric core positioning mechanism common drive electric core, thereby avoid electric core at the inside moment of torsion that takes place of pivoted in-process, thereby influence the quality of electric core.

According to some embodiments of the present application, the first rotary drive mechanism includes a first rotary motor mounted to the first base; and one end of the transmission shaft is in transmission connection with the output end of the first rotating motor, the other end of the transmission shaft elastically acts on the battery cell, and the first rotating motor can drive the transmission shaft to rotate so that the transmission shaft and the battery cell positioning mechanism drive the battery cell to rotate together. The arrangement form is simple in structure and easy to realize.

According to some embodiments of this application, the transmission shaft includes casing, depression bar and pressure spring, and the one end of casing is connected with the output transmission of first rotation motor, and the splined hole has been seted up to the other end, the depression bar with splined hole spline fit, pressure spring elasticity butt is passed through to the one end of depression bar in the inner wall of casing, and the other end is used for the butt in the upper surface of electricity core. One end butt in the inner wall of casing of pressure spring, the other end passes through the screw and links to each other with the depression bar, and this kind of arrangement form can cushion the effort of depression bar to electric core, and the protection electric core is not crushed.

According to some embodiments of the present application, the cell positioning mechanism includes a second base, the second base being mounted to the frame; the second rotating motor is arranged on the second base; and the rotating seat is rotatably installed on the second base, the second rotating motor can drive the rotating seat to rotate, and the upper end of the rotating seat is used for placing the battery cell. The arrangement form has simple structure, easy realization and good reliability.

According to some embodiments of the present application, the rotating base comprises a rotating column, the rotating column is in transmission connection with the second rotating motor; and the supporting rod is coaxially arranged on the upper side of the rotating column, and the top surface of the supporting rod is used for placing the battery cell. Through this kind of arrangement form, the change of the bracing piece of being convenient for is maintained, has improved whole electric core positioning mechanism's reliability.

According to some embodiments of the present application, the battery cell positioning mechanism further includes a tab shifting mechanism, the tab shifting mechanism includes a second lifting driving mechanism, and the second lifting driving mechanism is mounted on the second base; and the lug stirring assembly is slidably mounted on the side wall of the rotating seat and corresponds to the output end of the second lifting driving mechanism, when the rotating seat drives the lug stirring assembly to rotate to the output end of the second lifting driving mechanism, the second lifting driving mechanism can jack the lug stirring assembly upwards, the lug of the battery cell can be stirred downwards when the lug stirring assembly returns, and the peripheral wall of the battery cell, which needs to be coated with the rubber, is exposed. The lug shifting mechanism is arranged, so that the lug can be prevented from being mistakenly coated in the encapsulation process, and the arrangement form can accurately encapsulate the peripheral wall of the battery cell.

According to some embodiments of the present application, the cell encapsulation apparatus further comprises a glue supply apparatus, the glue supply apparatus comprising a first linear drive mechanism; the first linear driving mechanism is arranged on the rack; the first movable plate is slidably mounted on the frame; the glue supplying mechanism and the glue pulling mechanism are arranged on the first movable plate, the glue pulling mechanism is arranged on the rack, the glue pulling mechanism can clamp the end part of the adhesive tape, the first linear driving mechanism can drive the first movable plate to be away from the glue pulling mechanism, and the glue supplying mechanism can cut off the adhesive tape after the first movable plate is away from the glue pulling mechanism so as to form an adhesive tape section. The glue supply mechanism in the form is simple in structure, easy to assemble and capable of forming the adhesive paper sections.

According to some embodiments of the present application, the cell encapsulation device further comprises a glue pressing device, the glue pressing device comprises a second linear driving mechanism, and the second linear driving mechanism is mounted on the frame; the second movable plate is slidably mounted on the frame; the third movable plate is slidably mounted on the second movable plate; and the adhesive pressing mechanism is arranged on the third movable plate, the third movable plate can be close to and adsorb the adhesive tape sections, and the second linear driving mechanism can drive the second movable plate to be close to or far away from the battery cell clamping device, so that the adhesive pressing mechanism can convey the end parts of the adhesive tape sections to the peripheral wall of the battery cell. This kind of arrangement form can adapt to the electric core of different specifications to send the tip of adhesive tape festival section to the perisporium of electric core, make electric core rubber coating device be adapted to the electric core of different specifications. In the process of rubber coating, the rubber pressing mechanism can also guide the rubber paper segments to advance, so that the shaking phenomenon of the rubber paper segments in the rubber coating process is relieved, and the rubber coating quality is improved.

The embodiment of the application further provides an electricity core rubber coating machine, including foretell electricity core rubber coating device, can enough be to electric core rubber coating, can guarantee the internal quality of electric core again.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, 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 application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a cell encapsulation device provided in an embodiment of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural diagram of a cell positioning mechanism in a cell encapsulation device provided in an embodiment of the present application;

fig. 4 is a schematic cross-sectional view of a cell positioning mechanism in a cell encapsulation apparatus provided in an embodiment of the present application;

fig. 5 is a schematic structural diagram of a pressing mechanism in a cell encapsulation device provided in an embodiment of the present application;

fig. 6 is a schematic cross-sectional view of a pressing mechanism in a cell encapsulation device according to an embodiment of the present application;

FIG. 7 is an enlarged view of a portion of FIG. 6 at B;

fig. 8 is a schematic structural diagram of a view angle of a glue supplying device and a glue pressing device in a cell glue coating device provided in an embodiment of the present application;

fig. 9 is a schematic structural diagram of another view angle of a glue supply device and a glue pressing device in a cell encapsulation device provided in an embodiment of the present application;

fig. 10 is a schematic structural diagram of a battery cell applied in a battery cell encapsulation device provided in the embodiment of the present application;

fig. 11 is a schematic view illustrating a matching between adhesive tapes and a feeding turntable applied in the electrical core adhesive-applying device according to the embodiment of the present disclosure;

fig. 12 is a schematic structural diagram of a gummed paper segment formed in the electrical core gumming device provided in the embodiment of the present application.

Icon: 100-a cell encapsulation device; 110-a rack; 111-vertical frame; 120-cell clamping device; 130-a cell positioning mechanism; 131-a second base; 132-a second rotating electrical machine; 133-a rotating seat; 1331-rotating the column; 1332-supporting rods; 1333-placing surface; 134-tab shifting mechanism; 1341-a second elevation drive mechanism; 1342-a tab toggle assembly; 1343-a third base; 1344-a toggle block; 1345-quick change coupler; 1346-a push block; 1347-push receiving plate; 1348-fastening bolts; 135-sealing ring; 136-an airway; 137-a fourth base; 140-a hold down mechanism; 141-a first base; 142-a first elevation drive mechanism; 143-a first rotary drive mechanism; 144-a first rotating electrical machine; 145-a propeller shaft; 1451-a housing; 1452-a transmission end; 1453-spline hole; 146-a compression bar; 1461-head end; 1462-abutting end; 147-compression spring; 1471-a pressure spring fixing screw; 148-a bearing assembly; 149-a coupling; 150-a glue supply device; 151-first linear drive mechanism; 152-a first movable plate; 153-supply reel; 154-a set of rollers; 1541-first pass roller; 1542-second pass roller; 155-a glue cutting mechanism; 156-a glue-clamping mechanism; 1561-static block; 1562-moving block; 157-a glue pulling mechanism; 158-glue supply mechanism; 160-a glue pressing device; 161-a second linear drive mechanism; 162-a third linear drive mechanism; 163-a glue pressing mechanism; 1631-a spring; 1632-a glue pressing rod; 1633-rollers; 164-an adsorption mechanism; 1641-an adsorption part; 165-a second flap; 166-a third movable plate; 200-electric core; 210-a cell body; 211 — a first surface; 212-a second surface; 213-peripheral wall; 2131-lower edge; 220-a first tab; 230-a second pole ear; 300-gummed paper; 310-gummed paper segments; 311-a first end; 312-a second end; 313-bottom edge; 320-gummed paper end.

Detailed Description

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

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, a cell encapsulation apparatus 100 according to an embodiment of the present application includes a frame 110 and a cell clamping apparatus 120. The cell clamping device 120 is installed in the frame 110, and the cell clamping device 120 is configured to clamp upper and lower ends of the cell 200, and respectively drive the cell 200 to rotate synchronously at the upper and lower ends of the cell 200, so that the cell 200 rotates while wrapping the adhesive tape 300 around the peripheral wall 213.

Because electric core clamping device 120 in the upper and lower both ends centre gripping electric core 200 of electric core 200, and in upper and lower both ends synchronous drive electric core 200 rotation, for current only in the implementation form that electric core 200's one end drove electric core 200 pivoted, electric core rubber coating device 100 of this application embodiment makes electric core 200 rotate in-process internal stress evenly, can enough realize the rubber coating, can guarantee the quality of electric core 200 again.

The following structures and mutual transmission relations of the components of the cell encapsulation device 100 according to the embodiment of the present application are provided.

Referring to fig. 1, the frame 110 is used to mount a cell clamping device 120, a below-described adhesive supplying device 150, and an adhesive pressing device 160.

In some embodiments of the present application, two sets of the cell encapsulation devices 100 are arranged, and the two sets of the cell encapsulation devices 100 share the same rack 110, so as to improve encapsulation efficiency by compactly arranging the two sets of the cell encapsulation devices 100 on the limited rack 110. A specific structure of the cell encapsulation apparatus 100 is described as an example.

Referring to fig. 10, in the description of the present application, a battery cell 200 is a battery cell of a laminated cylindrical battery, and includes a cell body 210, a first tab 220, and a second tab 230. The cell body 210 has a first surface 211, a second surface 212, and a peripheral wall 213. The first surface 211 is an upper surface of the cell body 210, the second surface 212 is a lower surface of the cell body 210, the peripheral wall 213 needs to be wrapped with the gummed paper segments 310, and one gummed paper segment 310 is used to wrap the peripheral wall 213 for a circle. The first tab 220 and the second tab 230 protrude from the lower edge 2131 of the peripheral wall 213 of the cell body 210 substantially perpendicularly outward from the lower edge 2131 based on the lower edge 2131 of the peripheral wall 213, and are disposed on opposite sides of the peripheral wall 213.

Referring to fig. 1, the cell clamping device 120 is mounted on the frame 110, and is configured to clamp the upper and lower ends of the cell 200, and respectively drive the cell 200 to rotate synchronously at the upper and lower ends of the cell 200, so that the cell 200 rotates while wrapping the gummed paper segment 310 around the peripheral wall 213.

Referring to fig. 2, as an implementation form, the battery cell clamping device 120 includes a battery cell positioning mechanism 130 and a pressing mechanism 140, where the battery cell positioning mechanism 130 and the pressing mechanism 140 are both installed in the rack 110 and are coaxially arranged up and down, and the battery cell positioning mechanism 130 and the pressing mechanism 140 jointly drive the battery cell 200 to rotate. As can be easily understood, by driving the battery cells 200 from the upper and lower ends simultaneously, it is possible to prevent the inside of the battery cells 200 from generating a torque due to rotation.

Referring to fig. 2, the cell positioning mechanism 130 is used for placing a cell 200.

Referring to fig. 3, in some embodiments of the present application, the cell positioning mechanism 130 includes a second base 131, a second rotating motor 132, and a rotating base 133. The second base 131 is mounted on the rack 110, the second rotating motor 132 is mounted on the second base 131, the rotating base 133 is rotatably mounted on the second base 131 through a bearing, the second rotating motor 132 is in transmission connection with the rotating base 133, the second rotating motor 132 can drive the rotating base 133 to rotate, and the upper end of the rotating base 133 (i.e., the top surface of a support rod 1332 described below) is used for placing the battery cell 200.

Among them, the rotating base 133 includes a rotating column 1331 and a supporting rod 1332.

The rotary post 1331 is rotatably mounted to the second base 131, and the second rotary motor 132 can drive the rotary post 1331 to rotate. The lower end of the supporting rod 1332 is coaxially installed on the upper side of the rotating column 1331, and the top surface of the supporting rod 1332 is provided with a placing surface 1333 for placing the battery cell 200.

Preferably, the placement surface 1333 is shaped to match the second surface 212 of the cell 200.

As will be readily understood, the supporting rod 1332 can drive the battery cell 200 to rotate under the driving of the second rotating motor 132.

In some embodiments of the present application, the placement surface 1333 is used not only for placing the cell 200, but also for adsorbing the cell 200.

Referring to fig. 4, as an exemplary form, the support rod 1332 is mounted to the rotary column 1331 through a screw, and the rotary column 1331 and the support rod 1332 are hermetically connected through a sealing ring 135, and the inside of the rotary column 1331 is communicated with the inside of the support rod 1332, so that the air passage 136 is reserved. The placing surface 1333 is provided with a plurality of adsorption holes, the adsorption holes are communicated with the air passages 136, and the bottom side of the rotating column 1331 is provided with a quick-change connector 1345 communicated with the air passages 136. Through the quick change coupler 1345, the air pressure of the air channel 136 can be controlled, so that the battery cell 200 can be adsorbed or released.

Referring to fig. 3, further, the cell positioning mechanism 130 further includes a tab shifting mechanism 134, and the tab shifting mechanism 134 is configured to shift apart the first tab 220 and the second tab 230 of the cell 200 to expose the peripheral wall 213 for encapsulation.

In some embodiments of the present application, tab toggling mechanism 134 includes a second lift drive mechanism 1341 and a tab toggling assembly 1342.

Wherein, utmost point ear is dialled subassembly 1342 and is included third base 1343 and two and dial piece 1344. The third base 1343 is slidably mounted on a sidewall of the rotating column 1331, can be lifted up and down, and corresponds to an output end of the second lifting driving mechanism 1341. Two poking blocks 1344 are mounted on the third base 1343, and the two poking blocks 1344 correspond to the first tab 220 and the second tab 230, respectively.

Referring to fig. 4, as an embodiment, the rotating base 133 further includes a fourth base 137, and the fourth base 137 is mounted on the sidewall of the rotating column 1331 by two fastening bolts 1348. Third base 1343 and fourth base 137 sliding fit of subassembly 1342 is stirred to utmost point ear, and under the effect of second lift actuating mechanism 1341, subassembly 1342 is stirred to utmost point ear can rise or fall for fourth base 137.

As can be easily understood, when the rotating base 133 drives the tab shifting assembly 1342 to rotate to the output end of the second lifting driving mechanism 1341, the second lifting driving mechanism 1341 can jack up the tab shifting assembly 1342. After losing the support of the second lifting driving mechanism 1341, the tab shifting assembly 1342 falls back to return, and can shift the first tab 220 and the second tab 230 of the battery cell 200 downward, so that the peripheral wall 213 of the battery cell 200, which needs to be encapsulated, is exposed.

In some embodiments of the present application, the rotating base 133 drives the tab shifting assembly 1342 to rotate to the output end of the second lifting driving mechanism 1341 and then to be stationary, so that the second lifting driving mechanism 1341 jacks up the tab shifting assembly 1342.

Referring to fig. 4, as an exemplary form, the output end of the second elevation driving mechanism 1341 has a pushing block 1346, and the lower end of the tab shifting assembly 1342 has a pushed plate 1347. When the rotating base 133 drives the tab stirring assembly 1342 to rotate to the upper side of the second lifting driving mechanism 1341, the pushing block 1346 is opposite to the received pushing plate 1347 up and down, the second lifting driving mechanism 1341 drives the pushing block 1346 to move upwards, and the pushing block 1346 abuts against the received pushing plate 1347 to drive the tab stirring assembly 1342 to slide upwards relative to the rotating base 133. After losing the support of the pushing block 1346 on the second lifting driving mechanism 1341, the tab toggling assembly 1342 falls and returns, and the two toggling blocks 1344 act on the first tab 220 and the second tab 230 respectively and toggle the first tab 220 and the second tab 230 downwards. Under the action of the two shifting blocks 1344, the first tab 220 and the second tab 230 are lower than the lower edge 2131 of the peripheral wall 213, so that the peripheral wall 213 is exposed for encapsulation.

Referring to fig. 2, the pressing mechanism 140 is configured to apply a downward force to the first surface 211 of the battery cell 200.

Referring to fig. 5, in some embodiments of the present disclosure, the pressing mechanism 140 includes a first base 141, a first elevating driving mechanism 142, and a first rotating driving mechanism 143.

The first base 141 is slidably engaged with the frame 110.

In an exemplary form, the stand 111 is mounted on the frame 110, and the first base 141 is slidably mounted on the stand 111.

The first elevation drive mechanism 142 is attached to the stand 111 and can drive the first base 141 to be elevated with respect to the stand 111. The first rotation driving mechanism 143 is mounted on the first base 141, and configured to compress the battery cell 200 and drive the battery cell 200 to rotate together with the battery cell positioning mechanism 130.

In one exemplary form, the first elevation driving mechanism 142 is a linear cylinder.

Referring to fig. 6, the first rotation driving mechanism 143 includes a first rotation motor 144 and a transmission shaft 145. The first rotating motor 144 is installed on the first base 141, one end of the transmission shaft 145 is in transmission connection with the output end of the first rotating motor 144, and the other end is used for acting on the battery cell 200. The first rotating motor 144 can drive the transmission shaft 145 to rotate, so that the transmission shaft 145 and the cell positioning mechanism 130 jointly drive the cell 200 to rotate.

Further, the transmission shaft 145 can be elastically pressed down on the first surface 211 of the battery cell 200 to buffer the acting force of the transmission shaft 145 on the first surface 211 of the battery cell 200, so as to avoid crushing the battery cell 200.

Referring to fig. 7, as an exemplary form of construction of the transmission shaft 145, the transmission shaft 145 includes a housing 1451, a pressing lever 146, and a pressing spring 147.

The housing 1451, in turn, includes a shaft body and an end cap. The upper end of the shaft body is a transmission end 1452, the transmission end 1452 is in transmission connection with the first rotating motor 144 through a coupling 149, the lower end of the shaft body is connected with the end cover through a screw into a whole, and the end cover is provided with a spline hole 1453 for the compression rod 146 to pass through.

The compression spring 147 is coaxially arranged inside the housing 1451, has one end abutting against the inner wall of the housing 1451 and the other end fixedly connected to the compression lever 146 by a compression spring fixing screw 1471.

As an example form, the drive shaft 145 further includes an externally threaded socket that is located inside the housing 1451. The external thread sleeve is fixedly connected with the output end of the coupler 149, the external thread sleeve is in threaded connection with the shell 1451, one end of the pressure spring 147 abuts against the external thread sleeve, and the other end of the pressure spring is fixedly connected with the pressure lever 146 through a pressure spring fixing thread piece 1471.

Referring to fig. 6 and 7, the pressing rod 146 includes a head end 1461 and an abutting end 1462. The plunger 146 passes through the splined opening 1453 and is slidably engaged with the drive shaft 145. The head end 1461 and the compression spring 147 are connected by a compression spring fixing screw 1471, the upper side of the head end 1461 elastically abuts against the inner wall of the housing 1451 by the compression spring 147, and the lower side abuts against the end cap of the housing 1451. The abutting end 1462 is exposed to the outside of the transmission shaft 145 and is used to abut against the first surface 211 of the battery cell 200. The outer diameter of the head end 1461 is larger than the diameter of the splined hole 1453, so that the head end 1461 is clamped inside the housing 1451.

In some embodiments of the present application, hold-down mechanism 140 further includes a bearing assembly 148. Bearing assembly 148 includes an outer race mounted to first base 141 and an inner race fixedly coupled to housing 1451 of drive shaft 145 that are rotatable relative to each other. A retainer ring is also mounted on the first base 141 to retain the bearing assembly 148.

Referring to fig. 6, preferably, a pressing rod head is installed at the lower end of the pressing rod 146, and the lower end surface of the pressing rod head is a pressing surface. Through this kind of arrangement form, can change the pressure pole head in a flexible way, be convenient for maintain, the nimble electric core 200 that adapts to different specifications.

Further, the pressing mechanism 140 further includes a cell in-place sensor, configured to detect that the cell 200 is placed on the placement surface 1333 of the cell positioning mechanism 130.

Referring to fig. 1, the adhesive supply device 150 is mounted on the frame 110 for cutting the adhesive paper 300 to form an adhesive paper segment 310 with a fixed length.

Referring to fig. 8, in some embodiments of the present application, the glue supplying device 150 includes a first linear driving mechanism 151, a first movable plate 152, a glue pulling mechanism 157, and a glue supplying mechanism 158.

The first linear driving mechanism 151 is mounted to the frame 110, the first movable plate 152 is slidably mounted to the frame 110, and the first linear driving mechanism 151 can drive the first movable plate 152 to slide relative to the frame 110 to move closer to or away from the glue spreading mechanism 157.

As an example, the first linear driving mechanism 151 is a single-axis linear robot. In other embodiments, the first linear drive mechanism 151 may also be a linear guide.

Referring to fig. 8 and 9, the glue spreading mechanism 157 is mounted to the frame 110 and can clamp the end portion 320 of the adhesive paper.

Referring to fig. 9, the glue supplying mechanism 158 is mounted on the first movable plate 152, and under the action of the first linear driving mechanism 151, the glue supplying mechanism 158 can be close to or far from the glue pulling mechanism 157. After the adhesive tape end 320 is clamped by the adhesive tape pulling mechanism 157, the first linear driving mechanism 151 drives the first movable plate 152 to be away from the adhesive tape pulling mechanism 157, the first movable plate 152 carries the adhesive tape supplying mechanism 158 to be away from the adhesive tape pulling mechanism 157, so as to pull out an adhesive tape of one section, and the adhesive tape supplying mechanism 158 can cut the adhesive tape to form an adhesive tape section 310.

As an example form, the glue pulling mechanism 157 is a pneumatic finger.

Referring to fig. 8, in some embodiments of the present application, the glue supplying mechanism 158 includes a supply reel 153, a roller set 154, a glue cutting mechanism 155 and a glue clamping mechanism 156, and the supply reel 153, the roller set 154, the glue cutting mechanism 155 and the glue clamping mechanism 156 are all mounted on the first movable plate 152.

Referring to fig. 8 and 11, the feeding reel 153 is rotatably mounted on the first movable plate 152, the adhesive tape 300 is stored on the feeding reel 153, the adhesive tape 300 passes through the roller set 154 and the adhesive cutting mechanism 155 and the adhesive clamping mechanism 156, and the end 320 of the adhesive tape is exposed to the adhesive pulling mechanism 157 for being clamped by the adhesive pulling mechanism 157.

As an example, the set of rollers 154 includes a first roller 1541 and a second roller 1542, and in other embodiments, the set of rollers 154 can include three or four rollers. And the upper end of each roller can be adjusted in a lifting way to adapt to the gummed paper 300 with different widths.

The glue clamping mechanism 156 is used to clamp the glue end 320 so that the glue cutting mechanism 155 cuts the glue 300 to form the glue segment 310.

As an example, the cutting mechanism 155 includes a cutter driven by an air cylinder and a base block, and the adhesive paper 300 passes through between the cutter and the base block, and the cutter is adjacent to the base block to cut the adhesive paper 300.

As an example, the glue clamping mechanism 156 includes a stationary block 1561 and a movable block 1562, the stationary block 1561 is fixedly mounted to the first movable plate 152, and the movable block 1562 can be close to the stationary block 1561 to clamp the glue paper 300 or far from the stationary block 1561 to release the glue paper 300. For example, the moving block 1562 is driven by a linear cylinder mounted on the first moving plate 152.

The working principle of the glue supply device 150 is as follows:

the adhesive clamping mechanism 156 clamps the end part 320 of the adhesive tape, and the first linear driving mechanism 151 drives the first movable plate 152 to approach the adhesive pulling mechanism 157;

the glue pulling mechanism 157 clamps the end part 320 of the gummed paper, and the glue clamping mechanism 156 releases the end part 320 of the gummed paper;

the first linear driving mechanism 151 drives the first movable plate 152 to move away from the glue drawing mechanism 157, and a section of gummed paper is drawn out;

the glue clamping mechanism 156 clamps the gummed paper 300 again, the glue cutting mechanism 155 cuts the gummed paper 300, and a section from the cut position to the gummed paper end 320 forms a gummed paper segment 310.

Referring to fig. 12, it can be easily understood that after the adhesive paper 300 is cut by the adhesive cutting mechanism 155, an adhesive paper segment 310 is formed, the adhesive paper segment 310 includes a first end 311 and a second end 312, the second end 312 is an adhesive paper end 320 of the adhesive paper 300 before cutting, and the first end 311 is newly formed after cutting.

Referring to fig. 1, the adhesive pressing device 160 is mounted on the frame 110 for feeding the end (the second end 312) of the adhesive paper segment 310 to the peripheral wall 213 of the battery cell 200.

Referring to fig. 8 and 9, in some embodiments of the present application, the glue pressing device 160 includes a second linear driving mechanism 161, a glue pressing mechanism 163, a second movable plate 165 and a third movable plate 166.

The second linear driving mechanism 161 is installed on the frame 110, the second movable plate 165 is slidably engaged with the frame 110, and the second linear driving mechanism 161 can drive the second movable plate 165 to move closer to or away from the cell positioning mechanism 130 in the cell clamping device 120.

In one exemplary form, the second linear drive mechanism 161 is a linear cylinder.

The third movable plate 166 is slidably mounted on the second movable plate 165 and can move close to or away from the gummed paper segment 310 relative to the second movable plate 165 to suck the gummed paper segment 310.

In one embodiment, the glue pressing device 160 further includes a third linear driving mechanism 162, the third linear driving mechanism 162 is mounted on the second movable plate 165, and the third linear driving mechanism 162 is capable of driving the third movable plate 166 to move toward or away from the gummed paper segment 310 relative to the second movable plate 165.

In some embodiments of the present application, the third linear drive mechanism 162 is a slide cylinder.

Preferably, the strokes of the second movable plate 165 and the third movable plate 166 are substantially perpendicular to each other, and the stroke of the second movable plate 165 is parallel to the stroke of the first movable plate 152 in the glue supply device 150. The arrangement form is simple and feasible, and is beneficial to assembly.

The glue pressing mechanism 163 is used to send the second end 312 of the gummed paper segment 310 to the peripheral wall 213 of the battery cell 200.

In some embodiments of the present application, the glue pressing mechanism 163 includes a glue pressing rod 1632 and the adsorption mechanism 164, and both the glue pressing rod 1632 and the adsorption mechanism 164 are mounted on the third movable plate 166.

As will be readily appreciated, the suction mechanism 164 is capable of suctioning the first end 311 of a length of gummed paper segments 310. Under the action of the third linear driving mechanism 162, the adsorbing mechanism 164 can drive the gummed paper segment 310 to move left and right, so as to adjust to the position most suitable for abutting against the peripheral wall 213 of the battery cell 200. The end of the glue pressing rod 1632 is in rolling fit with the surface of the gummed paper segment 310 to play a guiding role, so that the gummed paper segment 310 moves stably, and the gluing quality is improved.

In some embodiments of the present application, the glue pressing mechanism 163 further includes a spring 1631, the glue pressing rod 1632 is slidably mounted on the third movable plate 166, and two ends of the spring 1631 abut between the third movable plate 166 and the glue pressing rod 1632 respectively, so as to relieve an acting force of the glue pressing rod 1632 on the gummed paper segment 310.

Further, the end of the glue bar 1632 is provided with a roller 1633, and the roller 1633 is used for rolling fit with the gummed paper segment 310.

The adsorption mechanism 164 is installed on the third movable plate 166, one side of the adsorption mechanism 164 close to the gummed paper segment 310 is provided with an adsorption part 1641, and the adsorption part 1641 is used for adsorbing the first end 311 of the gummed paper segment 310.

As an example form, the suction mechanism 164 sucks the gummed paper segment 310 by vacuum.

The operation principle of the glue pressing device 160 is as follows:

after a gummed paper segment 310 is formed, the third linear driving mechanism 162 drives the third movable plate 166 to be close to the gummed paper segment 310, and the adsorption mechanism 164 adsorbs the first end 311 of the gummed paper segment 310;

the roller 1633 abuts against the surface of the gummed paper segment 310 to adjust the second end 312 of the gummed paper segment 310 to a proper direction so as to abut against the peripheral wall 213 of the battery cell 200;

optionally, the third linear drive mechanism 162 drives the third movable plate 166 away from the gummed paper segment 310 to avoid other mechanisms mounted on the frame 110;

the second linear driving mechanism 161 drives the second movable plate 165 to approach the cell clamping device 120, so that the second end 312 of the adhesive tape segment 310 abuts against the peripheral wall 213 of the cell 200, and as can be easily understood, the inner surface of the adhesive tape segment 310 has viscosity, and when the cell clamping device 120 drives the cell 200 to rotate, the adhesive tape segment 310 is wrapped around the peripheral wall 213.

Preferably, the bottom edge 313 of the gummed paper segment 310 is aligned with the lower edge 2131 of the peripheral wall 213 of the battery cell 200 to ensure that the encapsulation is neat.

The working principle of the cell encapsulation device 100 of the present embodiment is described below.

An external manipulator places the battery cell 200 on a placing surface 1333 of the battery cell positioning mechanism 130, and the placing surface 1333 adsorbs the battery cell 200;

the second lifting driving mechanism 1341 drives the tab shifting assembly 1342 to rise, and the tab shifting assembly 1342 resets and then shifts the first tab 220 and the second tab 230 of the battery cell 200 downwards;

the first lifting driving mechanism 142 drives the first base 141 to descend, so that the pressing rod 146 presses the battery cell 200, that is, the pressing surface abuts against the first surface 211 of the battery cell 200;

the glue supply device 150 acts to form a section 310 of gummed paper;

the adhesive pressing device 160 operates to send the second end 312 of the adhesive paper segment 310 to the peripheral wall 213 of the battery cell 200, so that the bottom edge 313 of the adhesive paper segment 310 is aligned with the lower edge 2131 of the battery cell 200;

the first rotating motor 144 rotates synchronously with the second rotating motor 132, and simultaneously drives the battery cell 200 to rotate from the upper and lower ends of the battery cell 200.

The battery core encapsulation device 100 in the embodiment of the application enables the internal stress of the battery core 200 to be uniform in the rotation process, and the torque cannot be generated inside the battery core 200. Through the structure form, the encapsulation can be realized, and the quality of the battery cell 200 can be ensured.

The embodiment of the application further provides a battery core rubber coating machine, which comprises the battery core rubber coating device 100, and can be used for rubber coating the battery core and ensuring the internal quality of the battery core.

It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A battery cell encapsulation device is characterized by comprising:

a frame;

the battery cell positioning mechanism is arranged on the rack and used for placing a battery cell;

the pressing mechanism is used for elastically pressing the upper surface of the battery cell, and the pressing mechanism can be used for clamping the battery cell together with the battery cell positioning mechanism at the upper end and the lower end of the battery cell and synchronously driving the battery cell to rotate so as to enable the battery cell to wind the gummed paper on the peripheral wall when rotating.

2. The cell encapsulation device of claim 1, wherein the hold-down mechanism comprises:

the first base is in sliding fit with the rack;

the first lifting driving mechanism is mounted on the rack and used for driving the first base to lift relative to the rack;

and the first rotation driving mechanism is arranged on the first base and used for compressing the battery cell and driving the battery cell to rotate together with the battery cell positioning mechanism.

3. The cell encapsulation device of claim 2, wherein the first rotational drive mechanism comprises:

a first rotating motor mounted to the first base;

and one end of the transmission shaft is in transmission connection with the output end of the first rotating motor, the other end of the transmission shaft elastically acts on the battery cell, and the first rotating motor can drive the transmission shaft to rotate so that the transmission shaft and the battery cell positioning mechanism jointly drive the battery cell to rotate.

4. The battery cell encapsulation device according to claim 3, wherein the transmission shaft comprises a housing, a pressure lever and a pressure spring, one end of the housing is in transmission connection with the output end of the first rotating motor, the other end of the housing is provided with a spline hole, the pressure lever is in spline fit with the spline hole, one end of the pressure lever is elastically abutted to the inner wall of the housing through the pressure spring, and the other end of the pressure lever is abutted to the upper surface of the battery cell.

5. The cell encapsulation device of claim 1, wherein the cell positioning mechanism comprises:

a second base mounted to the frame;

a second rotating motor mounted to the second base;

the rotating seat is rotatably installed on the second base, the second rotating motor can drive the rotating seat to rotate, and the upper end of the rotating seat is used for placing the battery cell.

6. The cell encapsulation device of claim 5, wherein the rotary seat comprises:

the rotating column is in transmission connection with the second rotating motor;

the bracing piece, the bracing piece by coaxial arrangement in the upside of rotating the post, the top surface of bracing piece is used for placing electric core.

7. The cell encapsulation device of claim 5, wherein the cell positioning mechanism further comprises a tab shifting mechanism, the tab shifting mechanism comprising:

the second lifting driving mechanism is arranged on the second base;

the subassembly is stirred to utmost point ear, utmost point ear stir subassembly slidable mounting in rotate the lateral wall of seat and with second lift actuating mechanism's output corresponds, works as it drives to rotate the seat utmost point ear stir the subassembly rotate extremely during second lift actuating mechanism's output, second lift actuating mechanism can upwards jack-up the subassembly is stirred to utmost point ear, utmost point ear stir the utmost point ear of subassembly return when can stir electric core down, make the perisporium that needs the rubber coating on the electric core expose.

8. The cell encapsulation device of claim 1, further comprising a glue supply device, the glue supply device comprising:

a first linear drive mechanism; the first linear driving mechanism is arranged on the rack;

a first movable plate slidably mounted to the frame;

the glue supply mechanism and the glue drawing mechanism are arranged, the glue supply mechanism is arranged on the first movable plate, the glue drawing mechanism is arranged on the rack, the glue drawing mechanism can clamp the end portion of the glue paper, the first linear driving mechanism can drive the first movable plate to be away from the glue drawing mechanism, and the glue supply mechanism can be used for keeping away from the first movable plate to cut off the glue paper after the glue drawing mechanism so as to form a glue paper segment.

9. The cell encapsulation device of claim 8, further comprising a compression device, the compression device comprising:

the second linear driving mechanism is arranged on the rack;

a second movable plate slidably mounted to the frame;

a third movable plate slidably mounted to the second movable plate;

the adhesive pressing mechanism is installed on the third movable plate, the third movable plate can be close to and adsorb the adhesive tape sections, and the second linear driving mechanism can drive the second movable plate to be close to or far away from the electric core positioning mechanism, so that the adhesive pressing mechanism can convey the end parts of the adhesive tape sections to the peripheral wall of the electric core.

10. A cell encapsulation machine comprising the cell encapsulation device of any one of claims 1-9.

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