WO2020220606A1

WO2020220606A1 - Battery bottom support welding workstation system

Info

Publication number: WO2020220606A1
Application number: PCT/CN2019/112735
Authority: WO
Inventors: 程远; 袁玉荣
Original assignee: 南京英尼格玛工业自动化技术有限公司
Priority date: 2019-04-28
Filing date: 2019-10-23
Publication date: 2020-11-05
Also published as: CN109967823A

Abstract

A battery bottom support welding workstation system, comprising a horizontal transferring machine (36), the horizontal transferring machine (36) being provided with a plurality of connecting plates (34), and the connecting plates (34) being in transmission connection with the horizontal transferring machine (36) by means of gears and racks, and further comprising a positioner I (2), a positioner II (12), and welding robots (10), bases of the positioner I (2) and the positioner II (12) being fixed onto the connecting plates (34), the positioner I (2) and the positioner II (12) moving left and right on the horizontal transferring machine (36) by means of the connecting plates (34), and the welding robots (10) being mounted above the horizontal transferring machine (36) by means of a robot mounting seat (11). In the battery bottom support welding workstation system, double robots and double positions are used for welding, so that the high working efficiency is achieved, and a large structural part can be welded.

Description

A welding workstation system for battery bottom support

Technical field

The invention relates to a battery bottom support welding workstation system, which belongs to the technical field of welding systems.

Background technique

In the prior art, the battery bottom bracket welding workstation generally adopts a three-axis positioner and dual robots to realize double-station welding, which improves work efficiency; however, the battery bottom bracket with a large structure is larger in size than a general battery bottom bracket. However, the size of the existing three-axis positioner cannot satisfy the installation of its tooling and fixture, so it is necessary to adopt the welding workstation system of the present invention.

technical problem

The technical problem to be solved by the present invention is to provide a battery bottom bracket welding workstation system. The battery bottom bracket welding workstation system adopts dual machines and double stations for welding, which not only has high work efficiency, but also solves the problem that large structural parts cannot be used. The problem of the shaft positioner, and at the same time, the two processes of the battery bottom support welding workstation system are flexible and independent, which can solve the problem of fixed assembly and welding of parts at the workstation, and the process does not affect each other.

Technical solutions

In order to solve the above technical problems, the technical solutions adopted by the present invention are:

A battery bottom support welding workstation system, including a horizontal transplanter (36). The horizontal transplanter (36) is provided with a plurality of connecting plates (34), and the connecting plate (34) passes through the horizontal transplanter (36). The rack and pinion transmission connection also includes positioner I (2), positioner II (12) and welding robot (10). The bases of positioner I (2) and positioner II (12) are fixed in the connection On the board (34), the positioner I (2) and the positioner II (12) move left and right on the horizontal transplanter (36) through the connecting plate (34); the welding robot (10) passes through the robot mounting seat (11) ) Installed above the horizontal transplanter (36).

Among them, it also includes a safety protection room (4) and a safety fence (1). The safety protection room cover is set outside the welding robot (10); the safety fence (1) encloses the workstation system along the horizontal transplanter (36); The safety protection room (4) is also equipped with a control box (5) and a welding control cabinet (6) on the roof. The welding control cabinet (6) is connected to the welding gun and the control box (5) through cables, and the control box (5) A protective fence (7) is also enclosed outside the welding control cabinet (6).

Wherein, the positioner I (2) and the positioner II (12) have the same structure, and both include an active end (40) and a driven end (41), and the active end (40) includes an active end base (21) and The driving end drive motor (25) located on the driving end base (21), the driven end (41) includes the driven end base (22) and the driven end rotating device (24) on the driven end base (22) , The driving end base (21) and the driven end base (22) are connected by a connecting rod (23), and the driving end driving motor (25) is drivingly connected with the driven end rotating device (24) through the mounting platform (26).

Wherein, the connecting portion (27) between the active end (40) and the driven end (41) and the mounting platform (26) includes a first connecting component (29) and a second connecting component (30), the first connecting component (29) ) Is fixed on the connecting plate (31) of the active end (40) or the driven end (41), the second connecting component (30) is fixed on the connecting piece (32) of the mounting platform (26), the first connecting component ( 29) and the second connecting component (30) are positioned by the positioning pin (43), and then fixedly connected by the bolt (44).

Among them, the horizontal transplanter (36) includes a rack (35) and a guide rail (37) extending in the horizontal direction. The horizontal transplanter (36) is provided with a connecting plate (34), and the connecting plate (34) is provided with The drive motor (33), the gear (42) connected with the drive shaft of the drive motor (33), the sliding block (38) that is matched with the guide rail (37), the gear (42) and the horizontal transplanter (36) The upper rack (35) is slidingly connected, and the sliding block (38) moves left and right on the horizontal transplanter (36) along the guide rail (37).

Among them, the drag chain (39) is also included. The drag chain (39) has wires that need to be walked. The drag chain (39) is connected with the connecting plate (34), and the tow chain (39) is connected to the horizontal transplanter ( 36) Move up.

Among them, it also includes the smoke exhaust dust collector (9), the smoke exhaust dust collector (9) is located outside the safety protection room (4), the smoke exhaust dust collector (9) passes through the pipe and the smoke outlet on the top of the safety protection room (4) connection.

Beneficial effect

Compared with the prior art, the technical solution of the present invention has the following beneficial effects:

The battery bottom support welding workstation system of the present invention adopts dual machines and double stations for welding, which not only has high work efficiency, but also solves the problem that large structural parts cannot use a three-axis positioner. At the same time, the two battery bottom support welding workstation system The process is flexible and independent, which can solve the problem of point-fixed assembly and welding of parts at the workstation, and the process does not affect each other. That is, the system of the present invention can perform operations such as spot welding and tailor welding before the positioner enters the safety protection room, and repair welding after the positioner exits the safety protection room, which greatly improves the safety of the system.

Description of the drawings

Fig. 1 is a schematic diagram of the structure of the welding workstation system for the battery bottom support of the present invention;

2 is a schematic diagram of the structure of the battery bottom bracket welding workstation system of the present invention after the safety protection room is removed;

Figure 3 is a top view of the battery bottom bracket welding workstation system of the present invention with the safety protection room removed;

4 is the installation method I of the welding robot on the robot mounting seat in the battery bottom support welding workstation system of the present invention;

Figure 5 shows the installation method II of the welding robot on the robot mounting seat in the battery bottom support welding workstation system of the present invention;

Fig. 6 is a structural schematic diagram of a tool fixture installed on the positioner in the battery bottom support welding workstation system of the present invention;

FIG. 7 is a schematic diagram of the structure of the positioner in the welding workstation system of the battery bottom support of the present invention;

Figure 8 is a split view of the positioner in Figure 7;

Figure 9 is a schematic diagram of the connection between the active end of the positioner and the installation platform;

Figure 10 is a schematic diagram of the connection between the positioner installation platform and the active end and the driven end respectively;

Figure 11 is a side view of the positioner;

Figure 12 is a schematic diagram of the connection between the positioner and the transplanter;

Figure 13 is a schematic diagram of the connection between the connecting plate and the transplanter;

Fig. 14 is a working flow chart of the welding workstation system for the battery bottom support of the present invention.

Embodiments of the invention

According to the following examples, the present invention can be better understood. However, those skilled in the art can easily understand that the content described in the embodiments is only used to illustrate the present invention, and should not and will not limit the present invention described in detail in the claims.

As shown in Figures 1-13, the battery bottom support welding workstation system of the present invention includes a horizontal transplanter 36 fixed on the ground. The horizontal transplanter 36 is provided with a plurality of connecting plates 34. The connecting plates 34 and the horizontal transplanter 36 is connected by gear 42 and rack 35. The battery bottom support welding workstation system of the present invention also includes a positioner I2, a positioner II12, and a welding robot 10 (the end of the sixth axis of the robot is fixedly connected with a welding gun), and a positioner I2 The base of the positioner II12 and the positioner II12 are fixed on the connecting plate 34. The positioner I2 and the positioner II12 can move left or right on the horizontal transplanter 36 through the connecting plate 34; the welding robot 10 passes through the robot mounting seat 11 is installed above the horizontal transplanter 36.

The battery bottom support welding workstation system of the present invention also includes a safety protection room 4 and a safety fence 1. The safety protection room 4 is arranged outside the welding robot 10. The safety protection room 4 protects the welding process of the welding robot 10 and effectively prevents the welding arc The radiation of the operator; the safety fence 1 encloses the workstation system along the horizontal transplanter 36; the roof of the safety protection room 4 is also equipped with a control box 5 and a welding control cabinet 6, and the welding control cabinet 6 passes through the cable and the welding gun. Connected to the control box 5, the control box 5 and the welding control cabinet 6 are also enclosed with a protective fence 7; it also includes a smoke exhaust dust collector 9, which is located outside the safety protection room 4 (located in the safety protection room 4 Back), the smoke exhaust dust collector 9 is connected to the smoke exhaust port 4-1 on the top of the safety protection room 4 through a pipe.

The positioner I2 and the positioner II12 in the battery bottom support welding workstation system of the present invention have the same structure, and both include an active end 40 and a driven end 41. The active end 40 includes an active end base 21 and an active end located on the active end base 21. The driven end 41 includes a driven end base 22 and a driven end rotating device 24 located on the driven end base 22. The driving end base 21 and the driven end base 22 are connected by a connecting rod 23, and the driving end drives The motor 25 is in transmission connection with the driven end rotating device 24 through the installation platform 26, and the fixture 28 is fixedly installed on the installation platform 26.

Wherein, the connecting portion 27 of the active end 40 and the driven end 41 and the mounting platform 26 each includes a first connecting component 29 and a second connecting component 30, and the first connecting component 29 is fixed on the connecting plate of the active end 40 or the driven end 41 31, the second connecting assembly 30 is fixed on the connecting piece 32 of the mounting platform 26, the first connecting assembly 29 and the second connecting assembly 30 are first accurately positioned by the positioning pin 43 (the positioning pin 43 is used to ensure that the first connecting assembly 29 and Repeat positioning accuracy of the second connecting component 30), and then fixedly connected by bolts 44. The first connecting component 29 and the second connecting component 30 are detachably fixedly connected by bolts, which facilitates the displacement of the mounting platform 26 The disassembly from the machine facilitates the installation of different installation platforms 26 on the positioner.

In the battery bottom support welding workstation system of the present invention, the horizontal transplanter 36 includes a rack 35 and a guide rail 37 extending in the horizontal direction. The horizontal transplanter 36 is provided with a connecting plate 34, and the connecting plate 34 is fixed with a driving motor 33, The gear 42 connected with the drive shaft of the drive motor 33 and the sliding block 38 connected with the guide rail 37. There are four sliding blocks 38, which are located at the four corners of the connecting plate 34. The drive motor 33 rotates to drive the gear 42 rotates, the gear 42 is slidably connected with the rack 35 on the horizontal transplanter 36, so that the slider 38 moves along the guide rail 37 on the horizontal transplanter 36 left and right.

The battery bottom support welding workstation system of the present invention also includes a drag chain 39. The drag chain 39 has cables that need to be walked. The drag chain 39 is connected to the connecting plate 34 and moves on the horizontal transplanter 36 together with the connecting plate 34. The cables that need to be connected to the driving motor 33 and the driving motor 25 at the active end are all placed in the drag chain 39, and the other end of the cable is connected to the control box 5. The drag chain 39 can effectively protect the cable and prevent it from wearing.

The horizontal transplanter 36 and the positioner can realize simultaneous loading and unloading and welding, that is, the working efficiency of the workstation system of the present invention is maximized during the production process, especially in the production line body with a long working cycle. The horizontal transplanting machine 36 and the turning positioner realize the perfect combination, which provides the possibility for the expandability of the equipment. The welding fixture 28 is fixed on the positioner, and the positioner is mounted on the horizontal transfer machine 36, which can quickly realize loading and unloading, greatly reducing the labor intensity of the operator.

As shown in Figure 14, the working process of the battery bottom bracket welding workstation system of the present invention is shown in the following table:

操作者operator	工作内容Work content	备注Remarks
移栽机Transplanter	工位1进入，工位2退出Station 1 enters, Station 2 exits	工位1指的是变位机I，工位2指的是变位机IIStation 1 refers to positioner I, and Station 2 refers to positioner II
焊接机器人Welding robots	工位1变位焊接Station 1 displacement welding	双机器人同时焊接Dual robot welding at the same time
工位2Station 2	工位2夹具打开Station 2 fixture open	To
搬运机器人或人工Handling robot or human	工位2卸工件Station 2 unloads the workpiece	To
搬运机器人或人工Handling robot or human	工位2装工件Work station 2 loading workpiece	To
工位2Station 2	工位2夹具夹紧Station 2 fixture clamping	To
移栽机Transplanter	工位1退出，工位2进入Station 1 exits, Station 2 enters	To
焊接机器人Welding robots	工位2变位焊接Station 2 displacement welding	双机器人同时焊接Dual robot welding at the same time
工位1Station 1	工位1夹具打开Station 1 fixture open	To
搬运机器人或人工Handling robot or human	工位1卸工件Station 1 unloads the workpiece	To
搬运机器人或人工Handling robot or human	工位1装工件Workpiece 1 loading	To
工位1Station 1	工位1夹具夹紧Station 1 fixture clamping	To
To	以此循环Loop this way	To

.

Claims

A battery bottom support welding workstation system, which is characterized in that it includes a horizontal transplanter (36). The horizontal transplanter (36) is provided with a plurality of connecting plates (34), the connecting plate (34) and the horizontal transplanter (36) It is connected by rack and pinion transmission, and also includes positioner I (2), positioner II (12) and welding robot (10), positioner I (2) and positioner II (12) The base is fixed on the connecting plate (34), the positioner I (2) and the positioner II (12) move left and right on the horizontal transplanter (36) through the connecting plate (34); the welding robot (10) passes through the robot The mounting base (11) is installed above the horizontal transplanter (36).
The battery bottom support welding workstation system according to claim 1, characterized in that it further comprises a safety protection room (4) and a safety fence (1), the safety protection room cover is arranged outside the welding robot (10), and the safety fence (1) ) Enclose the workstation system along the horizontal transplanter (36); the safety protection room (4) is also equipped with a control box (5) and a welding control cabinet (6) on the roof, and the welding control cabinet (6) passes through The cable is connected with the welding gun and the control box (5), and the control box (5) and the welding control cabinet (6) are also enclosed with a protective fence (7).
The battery bottom support welding workstation system according to claim 1, characterized in that: the positioner I (2) and the positioner II (12) have the same structure, and both include an active end (40) and a driven end ( 41), the active end (40) includes the active end base (21) and the active end drive motor (25) on the active end base (21), the driven end (41) includes the driven end base (22) and the The driven end rotating device (24) on the moving end base (22), the active end base (21) and the driven end base (22) are connected by a connecting rod (23), and the driving end drive motor (25) passes through the mounting platform ( 26) Drive connection with the driven end rotating device (24).
The battery bottom support welding workstation system according to claim 3, characterized in that: the connecting part (27) of the active end (40) and the driven end (41) and the installation platform (26) all comprise a first connecting assembly (29) ) And the second connecting component (30), the first connecting component (29) is fixed on the connecting plate (31) of the active end (40) or the driven end (41), and the second connecting component (30) is fixed on the installation platform On the connecting piece (32) of (26), the first connecting component (29) and the second connecting component (30) are positioned by the positioning pin (43), and then fixedly connected by the bolt (44).
The battery bottom support welding workstation system according to claim 3, characterized in that: the horizontal transplanter (36) includes a rack (35) and a guide rail (37) extending in the horizontal direction, and the horizontal transplanter (36) A connecting plate (34) is provided on the connecting plate (34) with a drive motor (33), a gear (42) connected with the drive shaft of the drive motor (33), and a sliding block connected with the guide rail (37). (38), the gear (42) is slidably connected with the rack on the horizontal transplanter (36), and the sliding block (38) moves left and right on the horizontal transplanter (36) along the guide rail (37).
The battery bottom support welding workstation system according to claim 5, characterized in that it further comprises a drag chain (39), the drag chain (39) has wires that need to be walked, the drag chain (39) and the connecting plate (34) Connect, move on the horizontal transplanter (36) along with the connecting plate (34).
The battery bottom bracket welding workstation system according to claim 2, characterized in that it further comprises a smoke exhaust dust collector (9), the smoke exhaust dust collector (9) is located outside the safety protection room (4), and the smoke exhaust dust collector ( 9) Connect with the smoke outlet on the top of the safety protection room (4) through a pipe.