Composite current collector transfer welding equipment

Abstract

The utility model discloses composite current collector transfer welding equipment which comprises an equipment body and a composite material unwinding roller detachably installed in the equipment body, a winding shaft roller is installed in the equipment body, the winding shaft roller is used for winding welded materials, and the composite material unwinding roller is used for unwinding the welded materials. A welding machine is fixedly installed in the equipment body and comprises a pressure display meter, a transducer and a servo motor, and a pressure air cylinder used for providing pressure for materials is arranged on the bottom face of the welding machine. According to the composite current collector transfer welding equipment, by synchronously conducting transfer welding on the blank tabs on the two sides of the composite current collector, conduction of the front face and the back face of a composite material is achieved, the overall welding efficiency is two times that of existing transfer welding, and meanwhile the feeding time of the composite material and transfer copper foil is greatly saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to composite material switching welding technical field, concretely is a kind of composite current collector switching welding equipment. BACKGROUND

[0002] Composite material refers to the material of PET, PP or PI in middle layer, and metal material is attached by evaporation or spraying on the front and back, to replace traditional aluminum positive electrode and copper negative electrode material, compared with ordinary metal material, composite material has the characteristics of light weight and high safety, so it can significantly improve the energy density and safety of lithium battery.

[0003] Because of PET material in composite material, the metal on the front and back of composite material cannot conduct electricity smoothly, which will greatly reduce the conductivity of composite material when making into battery, in order to make the front and back of composite material conductive, there are many methods at present, such as the method of riveting tab and TAP sheet, or the method of laser welding directly with TAP sheet, or the method of ultrasonic welding.

[0004] However, due to the existence of middle polymer material, the performance of battery after these welding methods are finally made into battery is not as good as that of original pure metal material, therefore, in the process of replacing traditional copper and aluminum foil with composite material, how to solve the conductivity of composite current collector battery becomes an important research direction.

[0005] Therefore, we propose a composite current collector switching welding equipment to solve the above problems. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of composite current collector switching welding equipment, to solve the existence of middle polymer material in the prior art, which leads to the performance of battery after these welding methods are finally made into battery is not as good as that of original pure metal material, therefore, in the process of replacing traditional copper and aluminum foil with composite material, it is difficult to solve the problem of conductivity of composite current collector battery.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of composite current collector switching welding equipment, including equipment body, and composite material unwinding roller installed in the equipment body by detachable way, and the inside of equipment body is installed with winding shaft roller, winding shaft roller is used to wind the material after welding, the inside of equipment body is fixedly installed with welding machine, the welding machine includes pressure display table, transducer, servo motor, and the bottom of welding machine is provided with pressure cylinder for providing pressure to material.

[0008] Preferably, the welding machine comprises a vibration wheel group fixedly installed in the middle, and the transducer of the welding machine is used for converting the servo motor into ultrasonic vibration, so as to be transmitted into the material by the vibration wheel group, so as to heat by mutual friction to realize welding.

[0009] Preferably, the inside of the device body is fixedly installed with a tape receiving platform, and the left and right sides of the top surface of the tape receiving platform are provided with positioning pressure rods, and the left and right sides of the top surface of the tape receiving platform are provided with suction grooves, and the center position of the top surface of the tape receiving platform is provided with a cutting guide groove, so that the adhesion is realized after the cutting guide groove cuts the material edge.

[0010] Preferably, the inside of the device body is provided with a composite material tension roller, and the inside of the device body is provided with a composite material secondary deviation correction roller, and the inside of the device body is provided with a composite material swing lever assembly, and the lower part of the inside of the device body is provided with a lower foil unwinding roller.

[0011] Preferably, the outer end of the composite material swing lever assembly is fixedly provided with a driving motor, and the upper part of the composite material swing lever assembly is rotatably provided with a swing lever body, and the end of the swing lever body is fixedly connected to the output shaft end of the driving motor.

[0012] Preferably, the inside of the device body is provided with a lower unwinding swing lever assembly, and the inside of the device body is provided with a lower unwinding tension roller, and the inside of the device body is provided with a lower unwinding secondary deviation correction roller, and the upper part of the inside of the device body is provided with an upper foil unwinding roller.

[0013] Preferably, the upper part of the inside of the device body is provided with an upper unwinding swing lever assembly, and the inside of the device body is provided with an upper unwinding secondary deviation correction roller, and the inside of the device body is provided with a dust remover after welding, and the inside of the device body is provided with a welding detector, and the right side of the inside of the device body is provided with a driving roller assembly.

[0014] Preferably, the end of the driving roller assembly is fixedly provided with a shaft motor, and the upper part of the driving roller assembly is provided with a driving roller, and the driving roller is fixedly connected to the output shaft end of the shaft motor, and the driving roller is used for flattening the material by the pressure roller to avoid wrinkle deformation.

[0015] Preferably, the upper part of the inside of the device body is provided with a labeling machine, and the right side of the inside of the device body is provided with a flattening roller, and the right side of the inside of the device body is provided with a winding tension roller, and the right side of the inside of the device body is provided with a winding swing roller, which is used for realizing the stability of the tension of the material after welding.

[0016] Compared with the prior art, the composite current collector switching and welding device has the advantages that:

[0017] 1. The pressure cylinder below the welding machine provides a fitting pressure for the material, the rotation power of the servo motor is converted into ultrasonic vibration by the transducer, the vibration wheel set is driven by the vibration to rub between the materials below, and finally the recrystallization temperature is reached to ensure that the materials are welded together, and at the same time, the smoke and dust generated during welding are absorbed by the dust collector to avoid the adhesion of dust to the materials affecting the subsequent use.

[0018] 2. The material end enters the positioning pressure rod on the right side of the belt receiving platform, and after descending, the material is positioned and covered, and the right side of the adsorption slot hole is adsorbed to the material after positioning, so as to move along the cutting guide groove by the cutting tool, and then cut the end of the material.

[0019] The end of the material on the other end is introduced into the inside of the positioning pressure rod on the left side of the belt receiving platform, so as to position and cover the foil, and then cut the material along the cutting guide groove by the cutting tool again, and finally bond the composite material by the adhesive tape.

[0020] 3. The lower foil unwinding roller and the upper foil unwinding roller of the equipment body unwind the foil, so as to tension the two foils during unwinding by the lower unwinding tension roller, the lower unwinding secondary deviation roller and the upper unwinding secondary deviation roller, and control the tension during unwinding and conveying.

[0021] 4. When the material unwinds too slowly, the tension is too large, the unwinding swing lever assembly rotates clockwise, the driving motor rotates at high speed after the swing lever body deviates from the initial position, the swing lever body drives the material to be conveyed at high speed, so that the swing lever assembly rotates counterclockwise to zero position under the action of elasticity, the driving motor moves at the original speed, and the balance of the resultant force of the material during conveying is ensured.

[0022] When the material unwinds too fast, the swing lever assembly rotates counterclockwise, and the swing lever body is in close contact with the material during conveying, and the driving motor rotates slowly, so as to adjust the resultant force of the material at the position of the swing lever assembly, until the swing lever assembly is balanced and rotates to zero position.

[0023] 5. The active roller assembly covers the material after welding, the material is conveyed while being rolled, the welding detector marks the defective product, the defective product is labeled by the labeling machine, and finally the flattening roller is rolled again, and the material after welding is completed by the winding tension roller and the winding swing roller through the winding shaft roller. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0025] Figure 2The utility model discloses a welding machine installation structure schematic drawing of interface belt platform.

[0026] Figure 3 The utility model discloses a composite material swing lever assembly three-dimensional structure schematic drawing.

[0027] Figure 4 The utility model discloses a composite material swing lever assembly three-dimensional structure schematic drawing.

[0028] Figure 5 The utility model discloses a welding machine installation structure schematic drawing of interface belt platform.

[0029] Figure 6 The utility model discloses a welding machine installation structure schematic drawing of interface belt platform.

[0030] Figure 7 The utility model discloses a welding machine installation structure schematic drawing of interface belt platform.

[0031] In the drawing: 1, equipment body; 2, composite material unwinding roller; 3, interface belt platform; 301, positioning pressure rod; 302, adsorption slot hole; 303, cutting guide groove; 4, composite material tension roller; 5, composite material second grade deviation rectifying roller; 6, composite material swing lever assembly; 601, swing lever body; 602, drive motor; 7, winding shaft roller; 8, welding machine; 801, pressure display table; 802, transducer; 803, servo motor; 804, pressure cylinder; 805, vibration wheel group; 9, lower foil material unwinding roller; 10, lower unwinding swing lever assembly; 11, lower unwinding tension roller; 12, lower unwinding second grade deviation rectifying roller; 13, upper foil material unwinding roller; 14, upper unwinding swing lever assembly; 15, upper unwinding second grade deviation rectifying roller; 16, dust collector; 17, welding detector; 18, driving roller assembly; 1801, shaft coupling motor; 1802, driving roller; 19, labeling machine; 20, flattening roller; 21, winding tension roller; 22, winding swing roller. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skill in the art without creative work belong to the scope of the utility model.

[0033] Please refer to Figures 1-7 The utility model provides the following technical scheme:

[0034] Embodiment 1: In order to solve the problems existing in the working of the existing composite adapter welding, the technical scheme is disclosed as follows: a composite current collector adapter welding device, comprising a device body 1, a composite material unwinding roller 2 installed in the device body 1 in a detachable manner, and a winding shaft roller 7 installed in the device body 1, the winding shaft roller 7 being used for winding the material after welding, a welding machine 8 fixedly installed in the device body 1, the welding machine 8 comprising a pressure display table 801, a transducer 802, a servo motor 803, and a pressure cylinder 804 provided on the bottom surface of the welding machine 8 and used for providing pressure for the material; the welding machine 8 comprises a vibration wheel set 805 fixedly installed at the middle part, and the transducer 802 of the welding machine 8 is used for converting the servo motor 803 into ultrasonic vibration, so as to be transmitted to the material by the vibration wheel set 805, so as to heat and realize welding by mutual friction.

[0035] As shown in Figure 2 , Figure 5 , the material is stopped at the middle part of the welding machine 8, the pressure cylinder 804 at the bottom of the welding machine 8 works to provide the required pressure for the material, ensures the stability of the adhesion between the materials, at the same time, the servo motor 803 rotates and works, and the transducer 802 converts the rotating power of the servo motor 803 into ultrasonic vibration and drives the vibration wheel set 805 to rub the materials adhered below by vibration, so as to finally reach the recrystallization temperature and ensure that the materials are welded together, at the same time, the smoke and dust generated in the process are absorbed by the dust collector 16, so as to avoid the adhesion of the dust to the material and affect the subsequent use of the material.

[0036] Embodiment 2: In order to solve the problems existing in the working of the existing composite adapter welding, the technical scheme is disclosed as follows: a device body 1, a belt connecting platform 3 fixedly installed in the device body 1, positioning pressure rods 301 provided on the top surface of the belt connecting platform 3, and adsorption groove holes 302 provided on the left and right sides of the top surface of the belt connecting platform 3, and a cutting guide groove 303 provided at the center position of the top surface of the belt connecting platform 3, so as to realize adhesion after cutting the edge of the material.

[0037] As shown in Figures 2-3As shown, the device body 1 is unwound by the composite material unwinding roller 2 on the left side below, and the end of the material is put into the upper tape receiving platform 3, and the positioning pressure rod 301 on the right side above the tape receiving platform 3 is controlled by the operating button, so that the positioning pressure rod 301 is lowered and the material is positioned and covered, and the suction slot hole 302 on the right side is used to suck the material after positioning, so that the cutting tool moves along the cutting guide groove 303, and the end of the material is cut, and the end of the other end of the material is introduced into the inside of the positioning pressure rod 301 on the left side of the tape receiving platform 3, so as to position and cover the foil, and then cut the material along the cutting guide groove 303 by the cutting tool, and finally the composite material is bonded by the adhesive tape.

[0038] Example 3: In order to solve the problems existing in the work of the existing composite material adapter welding, the following technical scheme is disclosed in this embodiment. The device body 1 is internally provided with a composite material tension roller 4, and the device body 1 is internally provided with a composite material secondary deviation correcting roller 5, and the device body 1 is internally provided with a composite material swing lever assembly 6, and the device body 1 is internally provided with a lower foil unwinding roller 9 below. The device body 1 is internally provided with a lower unwinding swing lever assembly 10, and the device body 1 is internally provided with a lower unwinding tension roller 11, and the device body 1 is internally provided with a lower unwinding secondary deviation correcting roller 12, and the device body 1 is internally provided with an upper foil unwinding roller 13 above. The device body 1 is internally provided with an upper unwinding swing lever assembly 14 above, and the device body 1 is internally provided with an upper unwinding secondary deviation correcting roller 15, and the device body 1 is internally provided with a welding dust remover 16 after welding, and the device body 1 is internally provided with a welding detector 17, and the device body 1 is internally provided with a driving roller assembly 18 on the right side.

[0039] As shown in Figure 2 , Figure 4 The lower foil unwinding roller 9 and the upper foil unwinding roller 13 of the device body 1 are used to unwind the foil, so as to tension the two foils during the unwinding process by the lower unwinding tension roller 11, the lower unwinding secondary deviation correcting roller 12 and the upper unwinding secondary deviation correcting roller 15, and control the tension during unwinding and conveying.

[0040] Example 4: In order to solve the problems existing in the work of the existing composite material adapter welding, the following technical scheme is disclosed in this embodiment. The outer end of the composite material swing lever assembly 6 is fixedly provided with a driving motor 602, and the swing lever body 601 is rotatably arranged above the composite material swing lever assembly 6, and the end of the swing lever body 601 is fixedly connected to the output shaft end of the driving motor 602.

[0041] The composite material swing lever assembly 6, the unwinding swing lever assembly 10 and the winding swing lever assembly 14 installed inside the equipment body 1 correct the resultant force of the composite material and the two foils respectively, when the unwinding speed of the material is too slow, the tension of the material itself is too large, and the winding swing lever assembly is pulled to rotate clockwise, and after the swing lever assembly deviates from the initial position, the driving motor 602 accelerates the rotation, the swing lever body 601 drives the winding material to accelerate the conveying, so that the swing lever assembly reversely rotates counterclockwise under the elastic action to reach zero position, and the driving motor 602 moves at the original speed to ensure the balance of the resultant force during the material conveying.

[0042] Further, when the unwinding speed of the material is too fast, the material at the swing lever body 601 is in a loose state, then the whole swing lever assembly rotates counterclockwise, and the material in the conveying process is adhered by the swing lever body 601, and the driving motor 602 slowly rotates to adjust the resultant force of the material at the position of the swing lever assembly, until the swing lever assembly is balanced by the traction force and rotates to zero position.

[0043] In order to solve the problems existing in the working process of the existing composite material adapter welding, the embodiment discloses the following technical scheme, the end of the driving roller assembly 18 is fixedly provided with a shaft motor 1801, the upper portion of the driving roller assembly 18 is provided with a driving roller 1802, the driving roller 1802 is fixedly connected to the output shaft end of the shaft motor 1801, and the driving roller 1802 is used for flattening the material by the pressure roller to avoid wrinkle deformation; the inside upper portion of the equipment body 1 is provided with a labeling machine 19, the inside right portion of the equipment body 1 is provided with a flattening roller 20, the inside right portion of the equipment body 1 is provided with a winding tension roller 21, and the inside right portion of the equipment body 1 is provided with a winding swing roller 22, the winding swing roller 22 is used for realizing the stability of the tension of the material after welding.

[0044] As shown in Figure 2 , Figure 6 , the material after welding is conveyed to the driving roller assembly 18, the driving roller 1802 on the upper portion and the lower portion of the driving roller assembly 18 and the pressure roller press the material after welding, at the same time, the shaft motor 1801 controls the driving roller 1802 to rotate, the material is conveyed while being rolled, the welding detector 17 arranged in the inside of the equipment body 1 marks the defective products, then the labeling machine 19 labels the defective products, finally, the flattening roller 20 rolls again, and the winding tension roller 21 and the winding swing roller 22 complete the winding work of the material after welding through the winding shaft roller 7.

[0045] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A composite current collector transfer welding device, comprising a device body (1), and a composite material unwinding roller (2) detachably installed inside the device body (1), wherein a winding roller (7) is installed inside the device body (1) for winding the welded material, and a welding machine (8) is fixedly installed inside the device body (1), characterized in that, The welding machine (8) includes a pressure display gauge (801), a transducer (802), a servo motor (803), and a pressure cylinder (804) for providing pressure to the material is provided on the bottom surface of the welding machine (8).

2. The composite current collector transfer welding equipment according to claim 1, characterized in that: The welding machine (8) includes a vibrating wheel assembly (805) fixedly installed in the middle, and the transducer (802) included in the welding machine (8) is used to convert the servo motor (803) into ultrasonic vibration so that it can be transmitted to the material by the vibrating wheel assembly (805) so that the material can be heated by mutual friction to achieve welding.

3. The composite current collector transfer welding equipment according to claim 1, characterized in that: The device body (1) is fixedly installed with a tape receiving platform (3), and positioning pressure rods (301) are provided on both the left and right sides of the top surface of the tape receiving platform (3). Adsorption slots (302) are opened on both the left and right sides of the top surface of the tape receiving platform (3), and a cutting guide groove (303) is opened at the center of the top surface of the tape receiving platform (3), so that the material is bonded after the cutting guide groove (303) cuts the edge.

4. The composite current collector transfer welding equipment according to claim 1, characterized in that: The equipment body (1) is provided with a composite material tension roller (4) inside, and a composite material secondary correction roller (5) inside, and a composite material swing arm assembly (6) inside, and a lower foil unwinding roller (9) is provided at the bottom inside the equipment body (1).

5. The composite current collector transfer welding equipment according to claim 4, characterized in that: The outer end of the composite material swing arm assembly (6) is fixedly provided with a drive motor (602), and the swing arm body (601) is rotatably provided above the composite material swing arm assembly (6), and the end of the swing arm body (601) is fixedly connected to the end of the output shaft of the drive motor (602).

6. The composite current collector transfer welding equipment according to claim 1, characterized in that: The device body (1) is provided with a lower winding swing arm assembly (10), a lower winding tension roller (11), a lower winding secondary correction roller (12), and an upper foil unwinding roller (13) at the top inside the device body (1).

7. The composite current collector transfer welding equipment according to claim 1, characterized in that: The upper part of the equipment body (1) is provided with an upper unwinding swing arm assembly (14), and the upper unwinding secondary correction roller (15) is provided inside the equipment body (1). The equipment body (1) is also provided with a post-weld dust collector (16), and a welding detector (17) is provided inside the equipment body (1). Meanwhile, the right side of the equipment body (1) is provided with an active roller assembly (18).

8. The composite current collector transfer welding equipment according to claim 7, characterized in that: The active roller assembly (18) is fixedly provided with a coupling motor (1801) at its end, and an active roller (1802) is provided above the active roller assembly (18). The active roller (1802) is fixedly connected to the output shaft end of the coupling motor (1801). The active roller (1802) is used to flatten the material through the pressure roller to avoid wrinkling and deformation.

9. The composite current collector transfer welding equipment according to claim 1, characterized in that: A labeling machine (19) is provided on the upper inside of the equipment body (1), and a flattening roller (20) is provided on the right side inside the equipment body (1), and a winding tension roller (21) is provided on the right side inside the equipment body (1), and a winding swing roller (22) is provided on the right side inside the equipment body (1). The winding swing roller (22) is used to stabilize the tension of the welded material.

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