Automatic welding equipment for battery electrode terminals

Abstract

The invention discloses an automatic welding device for battery electrode terminals, comprising: a workbench; an electrode vibration plate capable of delivering electrodes; an electrode ring vibration plate capable of delivering electrode rings; a guide block, which is provided with a transverse guide groove and a vertical guide groove and the two are connected; a first driving component capable of delivering the electrode entering the transverse guide groove to the vertical guide groove; a limit block, and a limited space and an electrode ring entrance connected to the limited space are provided, and the electrode ring can be input into the limited space; an electrode ring placement component, which is provided with a manipulator, and the electrode ring in the limited space is grabbed and then sleeved on the electrode column in the electrode; a flux adding component, which can add flux to the electrode ring and the electrode; a second driving component capable of delivering the electrode with flux from the vertical guide groove to the heater; and a controller capable of controlling the actions of various electrical appliances. The invention has the beneficial effects of reasonable structure, low cost, convenient processing, high working efficiency and good product quality.

Description

Technical Field

[0001] The invention relates to automatic welding equipment for battery electrode terminals. Background Art

[0002] Battery terminals, such as Figure 2 As shown, it is welded by an electrode 29 and an electrode ring 28, and the electrode 29 is composed of an electrode sheet 291 and an electrode column 292. A part of the electrode column 292 is conical and the other part is cylindrical. The electrode sheet 291 and the electrode column 292 are connected by interference fit. It is necessary to insert the electrode ring 28 into the conical part and melt the electrode ring 28 at high temperature so that the electrode sheet 291 and the electrode column 292 are connected as a whole. After the electrode terminal is welded, one end is electrically connected to the inside of the battery, and the electrode column 292 at the other end is provided with a threaded hole. After the screw is screwed into the welding sheet, the welding sheet can be connected to the electrical appliance via a wire. In the prior art, there is no automatic welding equipment, which can insert the electrode ring 28 into the conical part of the electrode column 292 and output the electrode ring 28 after melting it at high temperature. Summary of the invention

[0003] According to the above needs, the present invention provides an automatic welding device for battery electrode terminals, which can insert an electrode ring into the conical part of an electrode column and output the electrode ring after melting it at high temperature.

[0004] The technical solution of the present invention is:

[0005] An automatic welding device for battery electrode terminals, comprising:

[0006] Workbench;

[0007] The electrode vibration plate is installed on the workbench, and the electrode vibration plate outputs neatly arranged electrodes through the electrode guide groove;

[0008] The electrode circle vibration plate is installed on the workbench, and the electrode circle vibration plate outputs neatly arranged electrode circles through the electrode circle guide grooves;

[0009] A guide block is fixed to the workbench via a bottom plate, the guide block is provided with a transverse guide groove and a vertical guide groove which are connected, an electrode column in the electrode can be inserted into the transverse guide groove and the vertical guide groove and can be moved from the transverse guide groove to the vertical guide groove, and the transverse guide groove is also connected to the electrode guide groove;

[0010] A first driving assembly is provided with a first driving rod, and the first driving rod can transport the electrode entering the transverse guide groove to the vertical guide groove;

[0011] The limit block is fixed to the workbench via the bottom plate, the limit block is provided with a limit space and an electrode ring entrance connected to the limit space, the electrode ring entrance is connected to the electrode ring guide groove, and the electrode ring can enter the limit space from the electrode ring guide groove;

[0012] Placing the electrode ring assembly, which is provided with a manipulator, the manipulator can grab the electrode ring in the limited space and then put it outside the electrode column in the electrode;

[0013] A fluxing assembly capable of applying flux to the electrode ring and the electrode;

[0014] A second driving assembly is provided with a second driving rod, which can transport the electrode with flux from the vertical guide groove to the heater to melt the electrode ring and then output the welded electrode terminal;

[0015] An electrode sensor is installed near the output end of the electrode guide groove, and the electrode sensor can collect position signals of the electrodes in the electrode guide groove;

[0016] An electrode ring sensor is installed at the output end close to the electrode ring guide groove. The electrode ring sensor can collect the position signal of the electrode ring in the electrode ring guide groove;

[0017] A controller is electrically connected to each electrical appliance.

[0018] The invention has the advantages that the battery electrode terminals can be welded without manual operation, the whole process is completed automatically, and the quality of the electrode terminals after welding is good.

[0019] The invention has the beneficial effects of reasonable structure, low cost, convenient processing, high working efficiency and good product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0021] Figure 2 Schematic diagram of the structure of the electrode terminal of the present invention.

[0022] Figure 3 This is a schematic diagram of the structure related to placing the electrode ring assembly of the present invention.

[0023] Figure 4 It is a schematic structural diagram of the manipulator of the present invention.

[0024] Figure 5 It is a schematic diagram of the structure related to the flux adding component of the present invention.

[0025] Figure 6 It is a schematic diagram of the structure related to the liquid pipetting head of the present invention. DETAILED DESCRIPTION

[0026] The present invention will be further described with reference to the accompanying drawings:

[0027] As shown in the figure, an automatic welding device for battery electrode terminals includes:

[0028] Workbench 1;

[0029] The electrode vibration disk 21 is installed on the workbench 1, and the electrode vibration disk 21 outputs neatly arranged electrodes 29 through the electrode guide groove 211;

[0030] The electrode circle vibration plate 22 is installed on the workbench 1, and the electrode circle vibration plate 22 outputs neatly arranged electrode circles 28 through the electrode circle guide grooves 221;

[0031] The guide block 23 is fixed to the workbench 1 via the bottom plate 11. The guide block 23 is provided with a transverse guide groove 231 and a vertical guide groove 232, and the two are connected. The electrode column 292 in the electrode 29 can be inserted into the transverse guide groove 231 and the vertical guide groove 232 and can move from the transverse guide groove 231 to the vertical guide groove 232. The transverse guide groove 231 is also connected to the electrode guide groove 211. The guide block 23 can also be raised. It is fixed to the bottom plate 11 via a support frame.

[0032] A first driving assembly 5, which is provided with a first driving rod 51, and the first driving rod 51 can transport the electrode 29 entering the transverse guide groove 231 to the vertical guide groove 232;

[0033] The limit block 24 is fixed to the workbench 1 via the bottom plate 11. The limit block 24 is provided with a limit space and an electrode ring entrance 241 connected to the limit space. The electrode ring entrance 241 is connected to the electrode ring guide groove 221. The electrode ring 28 can enter the limit space from the electrode ring guide groove 221.

[0034] The electrode ring assembly 6 is placed, and is provided with a manipulator 60, which can grab the electrode ring 28 in the limited space and then put it outside the electrode column 292 in the electrode 29;

[0035] A flux adding assembly 8, which can add flux to the electrode ring 28 and the electrode 29;

[0036] A second driving assembly 4 is provided with a second driving rod 41, which can transport the electrode 29 with flux from the vertical guide groove 232 to the heater 9 to melt the electrode ring 28, and then output the welded electrode terminal;

[0037] The electrode sensor 25 is installed near the output end of the electrode guide groove 211. The electrode sensor 25 can collect the position signal of the electrode 29 in the electrode guide groove 211;

[0038] The electrode ring sensor 26 is installed at the output end close to the electrode ring guide groove 221. The electrode ring sensor 26 can collect the position signal of the electrode ring 28 in the electrode ring guide groove 221;

[0039] The controller 7 is electrically connected to each electrical appliance.

[0040] The sensor is mainly used to collect position signals of the electrode 29 and the electrode ring 28 to ensure that the electrode 29 and the electrode ring 28 are accurately moved to the predetermined position. The sensor can use a photoelectric sensor or an electromagnetic sensor. When each collector electrode 29 or electrode ring 28 moves a step, the sensor outputs a signal, and the first drive component 5, the second drive component 4, etc. perform a cycle of action.

[0041] It should be noted that the electrode vibration plate 21 and the electrode ring vibration plate 22 are both existing products, which are widely used in assembly equipment and can automatically arrange parts and then output them.

[0042] It should also be noted that the limit block 24 of this embodiment is composed of three vertical blocks and a base for the convenience of processing. As long as the function is the same, other structures can also be used for implementation.

[0043] The electrical appliances referred to in the present invention mainly include sensors, solenoid valves and heaters.

[0044] The electrode guide groove 211 and the electrode ring guide groove 221 may be provided with pressure strips on the top to ensure that the electrode 29 and the electrode ring 28 remain in the same plane and do not arch upwards during the movement.

[0045] Furthermore, the first driving assembly 5 comprises:

[0046] The first driving cylinder 52 has a cylinder body fixed to the base plate 11 and a connecting rod fixed to the first driving rod 51 via a first bracket. The first driving rod 51 is inserted into the transverse guide groove 231 to transport the electrode 29 input from the electrode guide groove 211 to the vertical guide groove 232. The first driving cylinder 52 is connected to the air pump via a first solenoid valve, and the first solenoid valve is connected to the controller 7.

[0047] The electrode sheets 291 of the electrodes 29 on the electrode guide grooves 211 are arranged in parallel and are arranged in a straight line after entering the transverse guide grooves 231 .

[0048] Further, the second driving assembly 4 includes:

[0049] The second driving cylinder 42 has a cylinder body fixed to the base plate 11 via a second bracket and a connecting rod fixed to the second driving rod 41. The second driving rod 41 is in close contact with the top surface of the guide block 23 and touches a plurality of parallelly arranged electrode sheets 291, so as to transport the plurality of electrodes 29 from the vertical guide groove 232 to the heater 9. The second driving cylinder 42 is connected to the air pump via a second solenoid valve, and the second solenoid valve is connected to the controller.

[0050] It should be noted that, in order to achieve accurate positioning, a guide block may be fixed on the vertical guide groove 232 , and a guide groove is provided on the guide block, and the second driving rod 41 is located in the guide groove and moves.

[0051] Further, placing the electrode ring assembly 6 includes:

[0052] A bracket 64 fixed to the base plate 11;

[0053] A first vertical cylinder 63, whose cylinder body is fixed to a bracket 64;

[0054] The rotating cylinder 62 has a cylinder body fixed to the connecting rod of the first vertical cylinder 63;

[0055] A rotating bracket 61, which is fixed to the rotating joint of the rotating cylinder 62;

[0056] The robot 60 is provided with:

[0057] The outer tube 603 has two vertical slide grooves 6051 symmetrically formed on its outer wall, and the top of the outer tube 603 is fixed to the rotating bracket 61;

[0058] The inner core 601 is inserted into the outer tube 603 and can move up and down. The diameter of the inner core 601 is close to and larger than the inner diameter of the electrode ring 28. The electrode ring 28 has an open end.

[0059] The limiting pin 602 is fixed to the inner core 601 and has a length greater than the outer diameter of the outer tube 603. The limiting pin 602 can only move up and down along the slide groove 6051;

[0060] A compression spring 604 is installed between the top end surface of the outer tube 603 and the top end surface of the inner core 601;

[0061] The first vertical cylinder 63 and the rotating cylinder 62 are connected to the air pump via the first vertical solenoid valve and the rotating solenoid valve respectively, and the first vertical solenoid valve and the rotating solenoid valve are electrically connected to the controller 7 respectively;

[0062] When the inner core 601 rotates to the position directly above the electrode ring 28 in the limited space, under the control of the first vertical cylinder 63, the inner core 601 can be inserted into the electrode ring 28. When the inner core 601 and the electrode ring 28 rotate to the position directly above the electrode column 292 in the vertical guide groove 232 and are pressed down, the inner core 601 touches the electrode column 292 and moves upward into the outer tube 603. The electrode ring 28 falls and is sleeved on the electrode column 292.

[0063] It should be noted that the electrode ring 28 is usually made of a hard copper wire with a diameter of nearly 1 mm, bent into a ring shape, and has an open end with elasticity.

[0064] In order to improve efficiency, two manipulators 60 are provided, and the two manipulators 60 are symmetrically fixed to the rotating bracket 61 .

[0065] When one robot arm 60 takes the electrode ring 28 , the other robot arm 60 places the electrode ring 28 .

[0066] Further, the flux adding assembly 8 comprises:

[0067] A horizontal cylinder 81, whose cylinder body is fixed to the bracket 64;

[0068] A second vertical cylinder 82, whose cylinder body is fixed to the connecting rod of the horizontal cylinder 81;

[0069] a liquid suction head 83, which is fixed to the connecting rod of the second vertical cylinder 82;

[0070] A liquid storage box 84, which is used to store soldering flux, and the liquid storage box 84 is fixed to the bracket 64;

[0071] The horizontal cylinder 81 and the second vertical cylinder 82 are connected to the air pump via the horizontal solenoid valve and the second vertical solenoid valve respectively, and the horizontal solenoid valve and the second vertical solenoid valve are electrically connected to the controller 7 respectively;

[0072] Under the control of the horizontal cylinder 81 and the second vertical cylinder 82 , the liquid suction head 83 can add the soldering flux in the liquid storage box 84 to the electrode column 292 and the electrode ring 28 in the vertical guide groove 232 .

[0073] When the connecting rod of the horizontal cylinder 81 is extended, the connecting rod of the second vertical cylinder 82 is extended, and the liquid suction head 83 sucks the flux; when the connecting rod of the horizontal cylinder 81 is contracted, the connecting rod of the second vertical cylinder 82 is extended for the second time, and the flux is applied to the electrode column 292 and the electrode ring 28 in the vertical guide groove 232.

[0074] Furthermore, the liquid suction head 83 is made of sponge, and the bottom of the liquid suction head 83 is annular, and the bottom of the annular can touch the electrode ring 28. This structure can apply the flux only to the welding part without causing waste.

[0075] Further, the heater 9 comprises:

[0076] A heating controller 90 capable of outputting high-frequency current, the heating controller 90 being electrically connected to the controller 7;

[0077] A heating coil 91, which is electrically connected to the heating controller 90 and can flow a high-frequency current;

[0078] The heating slide rail 92 has its two ends fixed to the bottom plate 11 via heating brackets 93 , one end of the heating slide rail 92 is connected to the vertical guide groove 232 , and the other end outputs the welded electrode terminal.

[0079] Heater 9 is an existing electromagnetic heater.

[0080] In order to concentrate heat energy on the electrode terminals, the heating slide rail 92 is composed of three quartz tubes, which are arranged in an inverted triangle shape. The quartz tubes do not absorb electrical energy.

[0081] Further, the controller 7 is fixed on the workbench 1, and the controller 7 includes:

[0082] The display and a plurality of control buttons are electrically connected to the PLC control unit respectively, and the actions of various components are coordinated through software programming.

Claims

1. An automatic welding device for battery electrode terminals, characterized in that: include: Workbench (1); An electrode vibration disk (21) is mounted on the workbench (1), and the electrode vibration disk (21) outputs neatly arranged electrodes (29) through an electrode guide groove (211); An electrode ring vibration disk (22) is mounted on a workbench (1), and the electrode ring vibration disk (22) outputs neatly arranged electrode rings (28) through electrode ring guide grooves (221); A guide block (23) is fixed to the workbench (1) via a bottom plate (11); the guide block (23) is provided with a transverse guide groove (231) and a vertical guide groove (232) which are connected; an electrode column (292) in the electrode (29) can be embedded in the transverse guide groove (231) and the vertical guide groove (232) and can move from the transverse guide groove (231) to the vertical guide groove (232); the transverse guide groove (231) is also connected to the electrode guide groove (211); A first driving assembly (5) is provided with a first driving rod (51), and the first driving rod (51) can transport the electrode (29) entering the transverse guide groove (231) to the vertical guide groove (232); A limit block (24) is fixed to the workbench (1) via a bottom plate (11); the limit block (24) is provided with a limit space and an electrode ring entrance (241) connected to the limit space; the electrode ring entrance (241) is connected to the electrode ring guide groove (221); and the electrode ring (28) can enter the limit space from the electrode ring guide groove (221); An electrode ring assembly (6) is placed, which is provided with a manipulator (60). The manipulator (60) can grab the electrode ring (28) in the limited space and then put it outside the electrode column (292) in the electrode (29); A flux adding assembly (8) capable of adding flux to the electrode ring (28) and the electrode (29); A second driving assembly (4) is provided with a second driving rod (41), and the second driving rod (41) can transport the electrode (29) with solder flux from the vertical guide groove (232) to the heater (9) to melt the electrode ring (28), and then output the welded electrode terminal; An electrode sensor (25) is installed near the output end of the electrode guide groove (211), and the electrode sensor (25) can collect a position signal of the electrode (29) in the electrode guide groove (211); An electrode ring sensor (26) is installed near the output end of the electrode ring guide groove (221), and the electrode ring sensor (26) can collect a position signal of the electrode ring (28) in the electrode ring guide groove (221); A controller (7) is electrically connected to each electrical appliance.

2. The automatic welding equipment for battery electrode terminals according to claim 1, characterized in that: The first driving assembly (5) comprises: A first driving cylinder (52) has a cylinder body fixed to the bottom plate (11), and a connecting rod fixed to the first driving rod (51) via a first bracket. The first driving rod (51) is inserted into the transverse guide groove (231) to transport the electrode (29) input from the electrode guide groove (211) to the vertical guide groove (232). The first driving cylinder (52) is connected to the air pump via a first electromagnetic valve, and the first electromagnetic valve is connected to the controller (7).

3. The automatic welding equipment for battery electrode terminals as claimed in claim 2, characterized in that: The second driving assembly (4) comprises: The second driving cylinder (42) has a cylinder body fixed to the base plate (11) via a second bracket, and a connecting rod fixed to the second driving rod (41). The second driving rod (41) is in close contact with the top surface of the guide block (23) and touches a plurality of parallelly arranged electrode sheets (291), so as to transport the plurality of electrodes (29) from the vertical guide groove (232) to the heater (9). The second driving cylinder (42) is connected to the air pump via a second solenoid valve, and the second solenoid valve is connected to the controller.

4. The automatic welding equipment for battery electrode terminals according to any one of claims 1 to 3, characterized in that: The electrode ring placement assembly (6) comprises: A bracket (64) fixed to the base plate (11); A first vertical cylinder (63), the cylinder body of which is fixed to a bracket (64); A rotating cylinder (62) whose cylinder body is fixed to the connecting rod of the first vertical cylinder (63); A rotating bracket (61) is fixed to the rotating joint of the rotating cylinder (62); The manipulator (60) is provided with: The outer tube (603) has two vertical slide grooves (6051) symmetrically formed on its outer wall, and the top of the outer tube (603) is fixed to the rotating bracket (61); An inner core (601) is inserted into the outer tube (603) and can move up and down. The diameter of the inner core (601) is close to and larger than the inner diameter of the electrode ring (28). The electrode ring (28) has an open end. A limit pin (602) is fixed to the inner core (601) and has a length greater than the outer diameter of the outer tube (603). The limit pin (602) can only move up and down along the slide groove (6051); A compression spring (604) installed between the top end surface of the outer tube (603) and the top end surface of the inner core (601); The first vertical cylinder (63) and the rotating cylinder (62) are connected to the air pump via the first vertical solenoid valve and the rotating solenoid valve respectively, and the first vertical solenoid valve and the rotating solenoid valve are electrically connected to the controller (7) respectively; When the inner core (601) rotates to the position just above the electrode ring (28) in the limited space, under the control of the first vertical cylinder (63), the inner core (601) can be inserted into the electrode ring (28); when the inner core (601) and the electrode ring (28) rotate to the position just above the electrode column (292) in the vertical guide groove (232) and are pressed downward, the inner core (601) touches the electrode column (292) and then moves upward into the outer tube (603); the electrode ring (28) falls and is sleeved on the electrode column (292).

5. The automatic welding equipment for battery electrode terminals as claimed in claim 4, characterized in that: Two manipulators (60) are provided, and the two manipulators (60) are symmetrically fixed to the rotating bracket (61).

6. The automatic welding equipment for battery electrode terminals as claimed in claim 4, characterized in that: The flux adding component (8) comprises: A horizontal cylinder (81), the cylinder body of which is fixed to the bracket (64); A second vertical cylinder (82), the cylinder body of which is fixed to the connecting rod of the horizontal cylinder (81); a liquid suction head (83) fixed to a connecting rod of the second vertical cylinder (82); A liquid storage box (84) for storing soldering flux, wherein the liquid storage box (84) is fixed to the bracket (64); The horizontal cylinder (81) and the second vertical cylinder (82) are connected to the air pump via the horizontal solenoid valve and the second vertical solenoid valve respectively, and the horizontal solenoid valve and the second vertical solenoid valve are respectively electrically connected to the controller (7); Under the control of the horizontal cylinder (81) and the second vertical cylinder (82), the liquid suction head (83) can add the soldering flux in the liquid storage box (84) to the electrode column (292) and the electrode ring (28) in the vertical guide groove (232).

7. The automatic welding equipment for battery electrode terminals as claimed in claim 6, characterized in that: The liquid suction head (83) is made of sponge, and the bottom of the liquid suction head (83) is annular, and the bottom of the annular can touch the electrode ring (28).

8. The automatic welding equipment for battery electrode terminals as claimed in claim 6, characterized in that: The heater (9) comprises: A heating controller (90) capable of outputting high-frequency current, the heating controller (90) being electrically connected to the controller (7); A heating coil (91), which is electrically connected to a heating controller (90) and can pass a high-frequency current; The heating slide rail (92) has two ends respectively fixed to the bottom plate (11) via a heating bracket (93); one end of the heating slide rail (92) is connected to the vertical guide groove (232), and the other end outputs the welded electrode terminal.

9. The automatic welding equipment for battery electrode terminals as claimed in claim 8, characterized in that: The heating slide rail (92) is composed of three quartz tubes, and the three quartz tubes are arranged in an inverted triangle shape.

10. An automatic welding device for battery electrode terminals according to any one of claims 1 to 3, characterized in that: The controller (7) is fixed on the workbench (1), and the controller (7) comprises: A display and a plurality of control buttons are electrically connected to the PLC control unit respectively.

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