CN112238288A

CN112238288A - Ultrasonic welding equipment

Info

Publication number: CN112238288A
Application number: CN201910656840.6A
Authority: CN
Inventors: 蒋春波; 邓阮明; 刘迎波; 刘江
Original assignee: Meike New Energy Suzhou Co ltd
Current assignee: Suzhou Jiaye Testing Equipment Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2021-01-19
Anticipated expiration: 2039-07-19
Also published as: CN112238288B

Abstract

The invention provides ultrasonic welding equipment, wherein a battery pack to be welded can be placed in a mounting groove of a positioning jig, a TAB terminal to be welded can be placed in the mounting groove, a piston rod of a positioning cylinder drives a piston block to move so as to limit and fix the TAB terminal, the position of the TAB terminal can be ensured to be accurate and in-place, and the TAB terminal can be prevented from being placed wrongly. A pair of material boxes capable of being automatically opened are further installed on the workbench, TAB terminals with different lengths can be placed in the material boxes, and the material boxes are not opened simultaneously, so that the TAB terminal taking error can be prevented.

Description

Ultrasonic welding equipment

Technical Field

The invention relates to the technical field of production of soft package batteries, in particular to ultrasonic welding equipment.

Background

Ultrasonic welding has the advantages of high speed, energy conservation, high fusion strength, good electrical conductivity, no spark, small impedance and the like, so the ultrasonic welding is widely applied to welding of the TAB extension terminal of the battery PACK PACK, and the extension terminal is called as a TAB terminal hereinafter. Since TAB terminals are frequently used, many combinations are used, and many direction requirements are required, the quality cannot be guaranteed only by the skill of an operator, and thus there are problems in the actual production process: 1) the TAB terminal has wrong material taking, the length of the extended terminal is divided into different lengths, and the material taking and welding are easy to make mistakes; 2) the TAB terminal is placed in a wrong direction, the extending terminal is provided with a welding end and an exposed end, and the TAB terminal is easy to make mistakes when being placed carelessly; 3) the TAB terminals are placed in an incorrect number, and the extended terminals are placed stuck together due to the thin thickness of the material of the extended terminals, resulting in an excessive number of soldering. In view of the above problems, the ultrasonic welding equipment is invented, the TAB terminals are positioned and clamped through the positioning assembly, and the material boxes which can be automatically switched on and off can be used for containing the TAB terminals with different lengths, so that the problems of material taking and placing errors can be avoided.

Disclosure of Invention

The invention provides ultrasonic welding equipment, which is characterized in that a positioning assembly is used for positioning and clamping a TAB terminal, a pair of material boxes capable of being automatically switched on and off are further arranged, so that the TAB terminals with different lengths can be placed, and the problems of material taking and placing errors can be avoided.

The technical scheme of the invention is realized as follows: an ultrasonic welding device comprises a workbench, a control system arranged in the workbench, a positioning assembly arranged on the top surface of the workbench and an ultrasonic welding instrument arranged above the positioning assembly; the positioning assembly comprises a positioning jig and a positioning cylinder arranged beside the positioning jig; the positioning jig is fixed on the workbench through the base, a mounting groove capable of accommodating a battery pack is formed in the center of the top surface of the positioning jig, an accommodating groove capable of accommodating a TAB terminal is formed in the top surface of the front end of the positioning jig in the transverse direction, a connecting groove is formed between the mounting groove and the accommodating groove, and a welding head of the ultrasonic welding instrument extends to the position right above the accommodating groove; the positioning cylinder is arranged on the outer side surface of the front end of the positioning jig, a piston rod of the positioning cylinder extends into the accommodating groove and is connected with a piston block, and the positioning cylinder is electrically connected with the control system; at least one pair of material boxes capable of being opened and closed automatically is installed on the workbench, and TAB terminals with different lengths can be placed in the material boxes.

The positioning jig comprises a front side plate arranged at the front end of the base and a rear side plate arranged at the rear end of the base, and the accommodating groove is formed in the front side plate; the mounting grooves are respectively formed in the top surfaces of the front side plate and the rear side plate.

The material box comprises a box body with an opening at the top and a top cover covering the top opening of the box body, hinge seats are further mounted on two sides of the box body, hinge holes are formed in the hinge seats, hinge shafts are arranged at two sides of one end of the top cover, and the hinge shafts penetrate through the hinge holes; a driving cylinder is further mounted beside the hinge seat, and a piston rod of the driving cylinder is connected with the hinge shaft through a transmission rod; the driving cylinder is electrically connected with the control system.

Further, still install the bracing piece on the workstation, horizontal module is installed towards positioning jig one side at the bracing piece top, thickness sensor is installed to the slip table bottom surface of horizontal module, thickness sensor is located the holding tank directly over, thickness sensor is connected with the control system electricity.

Furthermore, one end of the accommodating groove, which is close to the piston block, is provided with a pair of detection holes, one end of the TAB terminal is provided with a through hole, the TAB terminal is correctly placed in the accommodating groove, the through hole of the TAB terminal is aligned with one detection hole, and the other detection hole is shielded by the TAB terminal.

Further, install bar code scanner on the slip table of horizontal module orientation battery package one side, bar code scanner is located the battery package directly over, bar code scanner is connected with the control system electricity.

Further, a display screen is further installed on the top of the workbench and electrically connected with the control system.

By adopting the technical scheme, the invention has the beneficial effects that:

the invention relates to an ultrasonic welding device, wherein a battery pack to be welded can be placed in a mounting groove of a positioning jig, a TAB terminal to be welded can be placed in the mounting groove, a piston rod of a positioning cylinder drives a piston block to move so as to limit and fix the TAB terminal, the position of the TAB terminal can be ensured to be accurate and in place, and the TAB terminal can be prevented from being placed wrongly. A pair of material boxes capable of being automatically opened are further installed on the workbench, TAB terminals with different lengths can be placed in the material boxes, and the material boxes are not opened simultaneously, so that the TAB terminal taking error can be prevented.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a positioning assembly of the present invention;

fig. 3 is a schematic structural diagram of the material box of the present invention;

FIG. 4 is a functional block diagram of the present invention;

wherein: 1. the ultrasonic welding device comprises a workbench, 2. an ultrasonic welding instrument, 3. a positioning cylinder, 4. a base, 5. a battery pack, 6. a mounting groove, 7. a receiving groove, 8. a connecting groove, 9. a welding head, 10. a piston block, 11. a front side plate, 12. a rear side plate, 13. a box body, 14. a top cover, 15. a hinge seat, 16. a hinge hole, 17. a hinge shaft, 18. a driving cylinder, 19. a transmission rod, 20. a support rod, 21. a horizontal module, 22. a sliding table, 23. a thickness sensor, 24. a detection hole, 25. a TAB terminal, 26. a through hole, 27. a code scanner and 28. a display screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

As shown in fig. 1 to 4, an ultrasonic welding apparatus comprises a worktable 1, a control system installed in the worktable 1, a positioning assembly installed on the top surface of the worktable 1, and an ultrasonic welding apparatus 2 installed above the positioning assembly; the positioning assembly comprises a positioning jig and a positioning cylinder 3 arranged beside the positioning jig; the positioning jig is fixed on the workbench 1 through the base 4, an installation groove 6 capable of accommodating the battery pack 5 is formed in the center of the top surface of the positioning jig, an accommodating groove 7 capable of accommodating the TAB terminal 25 is formed in the top surface of the front end of the positioning jig along the transverse direction, a connecting groove 8 is formed between the installation groove 6 and the accommodating groove 7, and a welding head 9 of the ultrasonic welding instrument 2 extends to the position right above the accommodating groove 7; the positioning cylinder 3 is arranged on the outer side surface of the front end of the positioning jig, a piston rod of the positioning cylinder 3 extends into the accommodating groove 7 and is connected with a piston block 10, and the positioning cylinder 3 is electrically connected with the control system; at least one pair of material boxes capable of being opened and closed automatically is arranged on the workbench 1, and TAB terminals 25 with different lengths can be placed in the material boxes.

The positioning jig of the embodiment comprises a front side plate 11 installed at the front end of the base 4 and a rear side plate 12 installed at the rear end of the base 4, wherein the accommodating groove 7 is formed in the front side plate 11; the mounting grooves 6 are respectively arranged on the top surfaces of the front side plate 11 and the rear side plate 12. The battery pack 5 is placed in the mounting grooves 7 on the front plate 11, the rear plate 12 and the rear plate 12, and the battery pack 5 is convenient to take and place.

As shown in fig. 3, the material box of this embodiment includes a box body 13 with an opening at the top and a top cover 14 covering the top opening of the box body 13, hinge seats 15 are further installed on two sides of the box body 13, a hinge hole 16 is formed in each hinge seat 15, a hinge shaft 17 is arranged at one end of the top cover 14 facing two sides, and the hinge shaft 17 is inserted into the hinge hole 16; a driving air cylinder 18 is further mounted beside the hinge seat 15, and a piston rod of the driving air cylinder 18 is connected with the hinge shaft 17 through a transmission rod 19; the drive cylinder 18 is electrically connected to the control system. The control system selectively opens or closes the top cover 14 of the top opening of the cassette body 13, thus preventing the TAB terminals 25 from being erroneously picked up.

Still install bracing piece 20 on the workstation 1 of this embodiment, horizontal module 21 is installed towards positioning jig one side at bracing piece 20 top, thickness sensor 23 is installed to horizontal module 21's slip table 22 bottom surface, thickness sensor 23 is located holding tank 7 directly over, thickness sensor 23 is connected with the control system electricity. The thickness sensor 23 is used to identify the thickness of the TAB terminal 25, and thus, poor soldering caused by overlapping of the TAB terminals 25 can be prevented.

As shown in fig. 2, a pair of detection holes 24 are opened at one end of the receiving groove 7 close to the plunger block 10, a through hole 26 is opened at one end of the TAB terminal 25, the TAB terminal 25 is correctly placed in the receiving groove 7, the through hole 26 of the TAB terminal 25 is aligned with one of the detection holes 24, and the other detection hole 24 is blocked by the TAB terminal 25. When the sensing signal of the thickness sensor 23 passes through one of the detection holes 24 and the other detection hole 24 is blocked, the TAB terminal 25 is correctly placed; on the other hand, when both the detection holes 24 are blocked, the TAB terminals 25 are misplaced, and the TAB terminals 25 need to be placed upside down.

The horizontal module 21 of this embodiment has a bar code scanner 27 mounted on one side of the sliding table 22 facing the battery pack 5, the bar code scanner 27 is located right above the battery pack 5, and the bar code scanner 27 is electrically connected with the control system. The two-dimensional codes are printed on the battery packs 5, the two-dimensional codes on each battery pack 5 can be read through the code scanner 27, the uniqueness of the battery packs 5 can be accurately judged, the control system can control the driving air cylinder 18 to open or close the top cover 14 on the box body 13 to take the TAB terminal 25, and errors cannot occur in material taking of the TAB terminal 25.

The top of the working platform 1 of this embodiment is also provided with a display screen 28, and the display screen 282 is electrically connected with the control system. The display 8 displays the type of the material of the TAB terminal 25, and can directly observe whether the TAB terminal 25 needs to be added or replaced in the material box.

The invention relates to an ultrasonic welding device, wherein a battery pack 5 to be welded can be placed in a mounting groove 6 of a positioning jig, a TAB terminal 25 to be welded can be placed in a containing groove 7, a piston rod of a positioning cylinder 3 drives a piston block 10 to move so as to limit and fix the TAB terminal 25, the position of the TAB terminal 25 can be ensured to be accurately in place, and the TAB terminal 25 is prevented from being placed wrongly. The workbench 1 is also provided with a pair of material boxes capable of being opened automatically, the material boxes can contain the TAB terminals 25 with different lengths, and the material boxes are not opened simultaneously, so that the TAB terminals 25 can be prevented from being mistakenly taken.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An ultrasonic welding device is characterized by comprising a workbench (1), a control system arranged in the workbench (1), a positioning assembly arranged on the top surface of the workbench (1) and an ultrasonic welding instrument (2) arranged above the positioning assembly; the positioning assembly comprises a positioning jig and a positioning cylinder (3) arranged beside the positioning jig; the positioning jig is fixed on the workbench (1) through the base (4), a mounting groove (6) capable of accommodating the battery pack (5) is formed in the center of the top surface of the positioning jig, an accommodating groove (7) capable of accommodating the TAB terminal (25) is formed in the top surface of the front end of the positioning jig along the transverse direction, a connecting groove (8) is formed between the mounting groove (6) and the accommodating groove (7), and a welding head (9) of the ultrasonic welding instrument (2) extends to be right above the accommodating groove (7); the positioning cylinder (3) is arranged on the outer side face of the front end of the positioning jig, a piston rod of the positioning cylinder (3) extends into the accommodating groove (7) and is connected with a piston block (10), and the positioning cylinder (3) is electrically connected with the control system; at least one pair of material boxes capable of being opened and closed automatically is installed on the workbench (1), and TAB terminals (25) with different lengths can be placed in the material boxes.

2. The ultrasonic welding equipment of claim 1, wherein the positioning jig comprises a front side plate (11) arranged at the front end of the base (4) and a rear side plate (12) arranged at the rear end of the base (4), and the accommodating groove (7) is formed in the front side plate (11); the mounting grooves (6) are respectively arranged on the top surfaces of the front side plate (11) and the rear side plate (12).

3. The ultrasonic welding equipment according to claim 1, wherein the material box comprises a box body (13) with an open top and a top cover (14) covering the top opening of the box body (13), hinged seats (15) are further installed on two sides of the box body (13), hinged holes (16) are formed in the hinged seats (15), hinged shafts (17) are arranged at one end of the top cover (14) towards two sides, and the hinged shafts (17) penetrate through the hinged holes (16); a driving cylinder (18) is further mounted beside the hinge seat (15), and a piston rod of the driving cylinder (18) is connected with the hinge shaft (17) through a transmission rod (19); the driving air cylinder (18) is electrically connected with the control system.

4. The ultrasonic welding device according to claim 1, characterized in that a support rod (20) is further installed on the workbench (1), a horizontal module (21) is installed at the top of the support rod (20) towards one side of the positioning jig, a thickness sensor (23) is installed on the bottom surface of a sliding table (22) of the horizontal module (21), the thickness sensor (23) is located right above the accommodating groove (7), and the thickness sensor (23) is electrically connected with a control system.

5. An ultrasonic welding apparatus according to claim 4, characterized in that the end of the receiving groove (7) adjacent to the plunger block (10) is provided with a pair of detection holes (24), and the end of the TAB terminal (25) is provided with a through hole (26); when the TAB terminal (25) is correctly placed in the accommodation groove (7), the through hole (26) of the TAB terminal (25) is aligned with one of the detection holes (24), and the other detection hole (24) is shielded by the TAB terminal (25).

6. The ultrasonic welding device according to claim 4, characterized in that a code scanner (27) is mounted on one side of the sliding table (22) of the horizontal module (21) facing the battery pack (5), the code scanner (27) is located right above the battery pack (5), and the code scanner (27) is electrically connected with the control system.

7. An ultrasonic welding device according to claim 1, characterized in that a display screen (28) is also mounted on the top of the working table (1), and the display screen (28) is electrically connected with a control system.