Rubber coating assembly

Abstract

The utility model relates to the field of battery cell encapsulation, in particular to an encapsulation assembly, a positioning structure arranged on a rotating surface drags an adhesive tape on an unwinding mechanism and enables the adhesive tape to be flatly laid on the rotating surface, a plurality of pressing wheels used for positioning a battery cell assembly are arranged in an auxiliary positioning mechanism, and a positioning area formed by the pressing wheels is adjacent to the rotating surface. After the battery cell assembly is arranged in the positioning area, the edge of the end part of the battery cell assembly is in contact with the adhesive tape on the rotating surface; according to the utility model, the components take into account the positioning of the battery cell assembly and the material preparation of the adhesive tape, in the whole production process, the adhesive tape in the material preparation state is sent out from the rotating surface, and the battery cell assembly in contact with the adhesive tape is in contact with the adhesive surface on the adhesive tape while the adhesive tape is sent out; the transfer of the adhesive tape enables the adhesive tape to be pasted on the edge of the end part of the battery cell assembly, the integrity of the adhesive tape pasting replaces the whole traditional manual pasting, better consistency and productivity efficiency are achieved compared with the prior art, and the error rate of matching with other working procedures is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of battery cell rubberizing, especially a rubberizing assembly. BACKGROUND

[0002] As shown in the figure, Figure 7 Figure 7 The existing battery cell assembly includes a shell, a winding core arranged in the shell, and a negative pole flow disc and a positive pole flow disc connected with the shell.

[0003] A layer of adhesive tape needs to be pasted on the edge of one end of the shell adjacent to the negative pole flow disc, and the traditional method is to put the winding core out by a pneumatic cylinder, and then the operator prepares materials manually and pastes the adhesive tape on the shell. This method is slow in efficiency, and the pasting effect is not good, which is not neat and will affect the subsequent other processes. UTILITY MODEL CONTENT

[0004] To solve the above problems, the utility model provides a rubberizing assembly which has a corresponding adhesive tape preparation function and realizes the effect of adhesive tape pasting on the battery cell assembly.

[0005] To achieve the above purpose, the utility model adopts the technical scheme of a rubberizing assembly, characterized by comprising a winding mechanism, a material preparation mechanism and an auxiliary positioning mechanism. The material preparation mechanism has a one-way rotating surface, the positioning structure arranged on the rotating surface drags the adhesive tape on the winding mechanism, and the adhesive tape is laid flat on the rotating surface. The auxiliary positioning mechanism has a plurality of compression rollers for positioning the battery cell assembly. The positioning area formed by the plurality of compression rollers is adjacent to the rotating surface, so that the edge of the end part of the battery cell assembly is in contact with the adhesive tape on the rotating surface after the battery cell assembly is arranged in the positioning area.

[0006] The utility model has the following beneficial effects:

[0007] The components of the utility model take into account the positioning of the battery cell assembly and the preparation of the adhesive tape. In the entire production process, the adhesive tape in the preparation state is sent out by the rotating surface, the battery cell assembly in contact with the adhesive tape is in contact with the adhesive surface on the adhesive tape at the same time, the transfer of the adhesive tape causes the adhesive tape to be pasted on the edge of the end part of the battery cell assembly, the integrity of the pasted adhesive tape replaces the entire traditional manual pasting, and better consistency and production efficiency are achieved compared with the previous method, and the error rate in cooperation with other processes is reduced. In addition, under the use of the positioning structure, the light and easy-to-fold adhesive tape is kept in a flat state on the rotating surface. The adhesive tape in a smooth state can fully contact with the battery cell assembly, avoid unstable pasting, and also avoid the adhesive tape from falling off the rotating surface due to external forces such as wind during the rotating process, thereby improving the stability of the adhesive tape during the transfer process.

[0008] ​In a preferred embodiment, the positioning structure drags the adhesive tape by using negative pressure. Specifically, a negative pressure hole is arranged on the rotating surface, and a negative pressure source is arranged inside the material preparation mechanism. Under the action of the negative pressure source, a negative pressure state is formed on the rotating surface. The adhesive tape is in surface-to-surface contact with the rotating surface under the action of the negative pressure. This negative pressure positioning method does not contact the adhesive surface of the adhesive tape, thereby eliminating the possibility of being taken away by the adhesive surface.

[0009] The rotating surface is the peripheral surface of a rotating disc, and the rotating disc is circular. The material preparation mechanism comprises a driving source and a transmission assembly. The transmission assembly comprises a belt and a plurality of driven wheels. In this embodiment, the driving source is a driving motor. Any driven wheel is coaxially connected with the rotating disc. Another driven wheel is sleeved on the motor shaft of the driving motor. The belt is sleeved on the two driven wheels.

[0010] In this embodiment, the rotating disc is vertically contacted with the battery cell assembly. The purpose is to reduce the transverse occupation area of the rotating disc on the machine. In this embodiment, the rotating disc is provided with two rotating discs, and the double-station design can significantly improve the adhesive tape efficiency. In addition, the battery cell assembly in the positioning area is transverse. Two rotating discs are arranged to simultaneously paste adhesive tape on the edges of both ends of the battery cell assembly.

[0011] The side wall of the rotating disc is provided with a slot. The negative pressure hole extends into the slot and communicates with the slot. The slot of the side wall of the rotating disc is covered by a cover plate. The cover plate has an air port communicating with the slot. A negative pressure interface is fixed on the cover plate and communicates with the air port.

[0012] As can be seen, in this design, the parts associated with negative pressure are concentrated on the side wall of the rotating disc, which does not affect the rotating surface. At the same time, the structure is simple, the processing is simple, and the cost is low.

[0013] Further, the shape of the slot is an arc-shaped slot matching the shape of the rotating surface. The arc-shaped slot can correspond to a plurality of negative pressure holes at the same time, thereby reducing the use of a plurality of negative pressure interfaces.

[0014] The adhesive tape pasted on the battery cell assembly is in segments, and a cutting device corresponding to the vertical rotating disc is also provided. The rotating disc is arranged on the side surface of a vertical plate and is in a rotating connection relationship with the vertical plate. The cutting device is arranged on the vertical plate. The rotating surface is provided with a cutting groove for the blade of the cutting device to extend into the cutting groove to cut the adhesive tape.

[0015] The vertical plate is also provided with an arc-shaped groove. The side surface of the cutting device has a connecting part matching the slot. The connecting part is fixed in the arc-shaped groove by screws or bolts and the like. Under the action of the arc-shaped groove, the orientation of the blade can be adjusted to ensure the consistency between the moving direction of the blade and the cutting groove.

[0016] The cutting device further comprises a cutter seat and a telescopic cylinder, the cutter is arranged on the cutter seat, and the output end of the telescopic cylinder is connected with the cutter seat.

[0017] The pressure wheel in the auxiliary positioning mechanism comprises a driven roller supporting the battery cell assembly and a movable pressure wheel with a movable stroke, and the movable stroke of the movable pressure wheel refers to a clamping posture formed with the driven roller, so that the positioning of the battery cell assembly is realized.

[0018] In the auxiliary positioning mechanism, a clamping arm is further included, the clamping arm is divided into a left clamping arm and a right clamping arm, and is respectively used for positioning two ends of the battery cell assembly, the left clamping arm comprises a clamping arm cylinder, a clamping rod and a follower, the clamping rod is slidably connected with the upper platform of the machine table, the follower is connected with the tail end of the clamping rod, and under the action of the clamping arm cylinder, the clamping rod is close to the end of the battery cell assembly until abutting against the end of the battery cell assembly.

[0019] The clamping rod is connected in different directions by a plurality of rod portions, so that the follower can abut against the end of the battery cell assembly, and the battery cell assembly is clamped and positioned in a left-right clamping posture.

[0020] In the auxiliary positioning mechanism, a lifting cylinder and a connecting rod are further included, the output end of the lifting cylinder is connected with the connecting rod, the tail end of the connecting rod is connected with part of the movable pressure wheel, the lifting cylinder serves as a source power of the movable pressure wheel, and drives the movable pressure wheel to move towards the battery cell assembly.

[0021] The unwinding mechanism is prior art, and therefore, the structure will not be further described. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a perspective view of the utility model.

[0023] Figure 2 is an enlarged view of A of Figure 1

[0024] Figure 3 is an enlarged view of B of Figure 1

[0025] Figure 4 is an assembly view of the cover plate and the rotating disc.

[0026] Figure 5 is an exploded view of Figure 4

[0027] Figure 6 is an enlarged view of C of Figure 4

[0028] Figure 7 is a perspective view of the battery cell assembly

[0029] Figure 8 ​​​​is a perspective view of an auxiliary positioning mechanism.

[0030] Figure 9 is Figure 8 a perspective view of another aspect. DETAILED DESCRIPTION

[0031] As Figures 1-9 shown, a rubberizing assembly characterized in that it comprises a unwinding mechanism 1, a material preparation mechanism 2 and an auxiliary positioning mechanism 3, the material preparation mechanism 2 has a one-way rotating rotary surface 21, the rotary surface 21 is provided with a positioning structure which drags the rubber belt 4 on the unwinding mechanism 1 and makes the rubber belt 4 lay flat on the rotary surface 21, the auxiliary positioning mechanism 3 has a plurality of compression wheels 51 for positioning the battery cell assembly, the positioning area composed of the plurality of compression wheels 51 is adjacent to the rotary surface 21, so that after the battery cell assembly is arranged in the positioning area, the edge of the end portion of the battery cell assembly is in contact with the rubber belt 4 on the rotary surface 21.

[0032] The utility model has the advantages of:

[0033] The utility model has the advantages of:

[0034] In the preferred embodiment, the positioning structure drags the rubber belt 4 by using negative pressure, specifically, the rotary surface 21 is provided with a negative pressure hole 21a, and a negative pressure source is arranged in the material preparation mechanism 2, under the action of the negative pressure source, a negative pressure state is formed on the rotary surface 21, and the rubber belt 4 is in surface-to-surface contact with the rotary surface 21 under the action of the negative pressure. This negative pressure positioning method does not contact the adhesive surface of the rubber belt 4, and the possibility of being taken away by contacting the adhesive surface is eliminated.

[0035] The rotating surface 21 is the peripheral surface of the rotating disc 21b, which is circular. The preparation mechanism 2 comprises a driving source and a transmission assembly, which is composed of a belt and a plurality of driven wheels. In this embodiment, the driving source is a driving motor 22, any driven wheel is coaxially connected with the rotating disc 21b, and the other driven wheel is sleeved on the motor shaft of the driving motor 22. The belt is sleeved on the two driven wheels.

[0036] In this embodiment, the rotating disc 21b is vertically contacted with the battery cell assembly 6, which aims to reduce the transverse occupation area of the rotating disc 21b on the machine table 8. In this embodiment, the rotating disc 21b is provided with two, which is a double-station design, and can significantly improve the efficiency of the adhesive tape 4. In addition, the battery cell assembly 6 located in the positioning area is transverse, and the two rotating discs 21b can simultaneously paste the adhesive tape 4 on the edges 61 at both ends of the battery cell assembly 6.

[0037] The side wall of the rotating disc 21b is provided with a notch 21c, the negative pressure hole 21a extends into the notch 21c and communicates with the notch 21c, the notch 21c of the side wall of the rotating disc 21b is covered by a cover plate, the cover plate 23 has a gas port 23a communicating with the notch 21c, and the negative pressure interface 24 is fixed on the cover plate 23 and communicates with the gas port 23a.

[0038] As can be seen, under this design, the parts associated with negative pressure are all concentrated on the side wall of the rotating disc 21b, which will not affect the rotating surface 21. At the same time, the structure is simple, the processing is simple, and the cost is low.

[0039] Further, the notch 21c is an arc-shaped notch 21c adapted to the shape of the rotating surface 21, which can correspond to a plurality of negative pressure holes 21a at the same time, thereby reducing the use of a plurality of negative pressure interfaces 24.

[0040] The adhesive tape 4 pasted on the battery cell assembly 6 is segmented, and is also provided with a cutting device corresponding to the vertical rotating disc 21b. The rotating disc 21b is arranged on the side surface of the vertical plate 25 and is in a rotating connection relationship with the vertical plate 25. The cutting device is arranged on the vertical plate 25. The rotating surface 21 is reserved with a cutting groove 21d for the blade of the cutting device to extend into the cutting groove 21d to cut off the adhesive tape 4.

[0041] The vertical plate 25 is also provided with an arc-shaped groove 25a, the side surface of the cutting device has a connecting part adapted to the notch 21c, and the connecting part is fixed in the arc-shaped groove 25a by screws or bolts. Under the action of the arc-shaped groove 25a, the orientation of the blade 81 can be adjusted to ensure the consistency between the moving direction of the blade 81 and the cutting groove 21d.

[0042] The cutting device further comprises a cutter seat 82 and a telescopic cylinder 83, the cutter blade 81 is arranged on the cutter seat 82 (the connecting part is arranged on the cutter seat 82), and the output end of the telescopic cylinder 83 is connected with the cutter seat 82.

[0043] The pressure wheel 51 in the auxiliary positioning mechanism 3 comprises a driven roller 52 supporting the battery cell assembly 6 and a movable pressure wheel 51 with a movable stroke, the movable stroke of the movable pressure wheel 51 refers to a clamping posture formed with the driven roller 52, so as to realize the positioning of the battery cell assembly 6.

[0044] In the auxiliary positioning mechanism 3, a clamping arm is further arranged, the clamping arm is divided into a left clamping arm and a right clamping arm, and is respectively used for positioning two ends of the battery cell assembly 6, the left clamping arm comprises a clamping arm cylinder 31, a clamping rod and a follower 33, the clamping rod is slidably connected with the upper platform 81 of the machine table 8, the follower 33 is connected with the tail end of the clamping rod, and under the action of the clamping arm cylinder 31, the follower 33 is close to the end of the battery cell assembly 6 until abutting against the end of the battery cell assembly 6.

[0045] The clamping rod is connected by a plurality of rod parts 32 in different orientations, so that the follower 33 can abut against the end of the battery cell assembly 6, and the battery cell assembly 6 is clamped and positioned in a left-right clamping posture.

[0046] The structure of the right clamping arm is the same as that of the left clamping arm, and thus the structure of the right clamping arm will not be described again.

[0047] The auxiliary positioning mechanism 3 further comprises a lifting cylinder 34 and a connecting rod 35, the output end of the lifting cylinder 34 is connected with the connecting rod 35, the tail end of the connecting rod 35 is connected with part of the movable pressure wheel 51, the lifting cylinder 34 serves as a source power of the movable pressure wheel 51, and drives the movable pressure wheel 51 to move towards the battery cell assembly 6.

[0048] The unwinding mechanism 1 is prior art, and thus the structure will not be described further.

[0049] The above embodiment only describes the preferred embodiment of the utility model, and does not limit the scope of the utility model, and various deformations and improvements of the technical scheme of the utility model made by the ordinary engineering technical personnel in the art without departing from the design spirit of the utility model shall fall within the protection scope determined by the claims of the utility model.

Claims

1. A encapsulation assembly, characterized by, The application discloses a tape unwinding device, which comprises a tape unwinding mechanism, a material preparation mechanism and an auxiliary positioning mechanism.

2. A boot assembly as defined in claim 1, wherein, The rotating surface is provided with a negative pressure hole, and a negative pressure source is arranged in the material preparation mechanism.

3. A boot assembly as defined in claim 1, wherein, The rotating surface is a circumferential surface of a rotating disc.

4. A boot assembly as defined in claim 3, wherein, The rotating disc is vertically contacted with the battery cell assembly.

5. A boot assembly as defined in claim 3, wherein, The rotating disc is provided with a slot on the side wall, the negative pressure hole extends into the slot and communicates with the slot, the slot of the side wall of the rotating disc is covered by a cover plate, and the cover plate is provided with an air hole which communicates with the slot.

6. A boot assembly as defined in claim 5, wherein, The shape of the slot is an arc-shaped slot which is matched with the shape of the rotating surface.

7. A boot assembly as defined in claim 4, wherein, The cutting device is matched with the vertical rotating disc, the rotating surface is provided with a cutting groove for the blade of the cutting device.

8. A boot assembly according to claim 7, wherein, The vertical plate is further provided with an arc-shaped groove, the side surface of the cutting device is provided with a connecting part which is matched with the slot, and the connecting part is arranged in the arc-shaped groove through the connecting piece.

9. A boot assembly as defined in claim 1, wherein, The auxiliary positioning mechanism comprises a driven roller for supporting the battery cell assembly and a movable pressing wheel with a movable stroke, and further comprises a clamping arm.

10. A boot assembly according to claim 9, wherein, The clamping arm is divided into a left clamping arm and a right clamping arm, and is used for positioning two ends of the battery cell assembly. The clamping arm comprises a clamping arm air cylinder, a clamping rod and a follower. The clamping rod is slidably connected with an upper platform of a machine table, and the follower is connected with the tail end of the clamping rod. The clamping rod is connected with a plurality of rod parts in different directions, so that the follower can be abutted with the end of the battery cell assembly. The auxiliary positioning mechanism further comprises a lifting air cylinder and a connecting rod. The output end of the lifting air cylinder is connected with the connecting rod, and the tail end of the connecting rod is connected with part of the movable pressing wheel.

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