CN111822804A - Online welding mechanism and online welding production line - Google Patents

Online welding mechanism and online welding production line Download PDF

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Publication number
CN111822804A
CN111822804A CN202010782317.0A CN202010782317A CN111822804A CN 111822804 A CN111822804 A CN 111822804A CN 202010782317 A CN202010782317 A CN 202010782317A CN 111822804 A CN111822804 A CN 111822804A
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CN
China
Prior art keywords
welding
clamping
battery cell
clamping mechanism
pcm
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Granted
Application number
CN202010782317.0A
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Chinese (zh)
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CN111822804B (en
Inventor
张建华
郭登旺
邓雄光
张敏
蒙发德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Superstar Shenzhen Automation Co ltd
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Superstar Shenzhen Automation Co ltd
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Priority to CN202010782317.0A priority Critical patent/CN111822804B/en
Publication of CN111822804A publication Critical patent/CN111822804A/en
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Publication of CN111822804B publication Critical patent/CN111822804B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00Soldering, e.g. brazing, or unsoldering
    • B23K1/0008Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
    • B23K1/0016Brazing of electronic components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/08Auxiliary devices therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/08Auxiliary devices therefor
    • B23K3/087Soldering or brazing jigs, fixtures or clamping means

Abstract

The embodiment of the invention provides an online welding mechanism and an online welding production line, and relates to the technical field of battery production. The online welding mechanism comprises a first conveying mechanism, a carrier, a second conveying mechanism, a clamping mechanism and a welding mechanism, wherein the carrier is used for bearing the battery cell, the carrier is movably arranged on the first conveying mechanism, the clamping mechanism is used for clamping the PCM plate, the clamping mechanism is movably arranged on the second conveying mechanism, and when the battery cell borne by the carrier is in butt joint with the PCM plate borne by the clamping mechanism and then is synchronously moved to a welding position of the welding mechanism, the welding mechanism is used for welding a lug of the battery cell with a nickel sheet of the PCM plate. Therefore, the on-line welding mechanism and the on-line welding production line do not need to adopt a CCD positioning system to position the battery cell, and do not need a high-precision dividing disc system, so that the cost is greatly reduced, the times of mechanically carrying, sucking and discharging the battery cell are reduced, the risk of damaging the battery cell is greatly reduced, and the productivity efficiency is greatly improved.

Description

Online welding mechanism and online welding production line
Technical Field
The invention relates to the technical field of battery production, in particular to an online welding mechanism and an online welding production line.
Background
The PCM plate welding process is the most important process in the pack assembly of the mobile phone battery. The quality requirements of welding spots of various battery manufacturers are higher and higher. In order to meet the requirements, according to the characteristics of products, a common method in a mobile phone battery pack carrier line on the market is to grab the products, separate the products from a line body, position the products by a CCD, place the products on a multi-station index plate, rotate the index plate, stagger the space, and then perform spot welding. In view of cost, the method needs a set of machine system with CCD positioning function and a set of high-precision index plate system, so that the cost is very high, and the market competitiveness of the equipment is inevitably greatly reduced. From electric core technology protection, electric core need break away from the line body carrier once more, can through mechanical transport, inhale many times and put, must increase the harm of electric core, can't fully embody the superiority of carrier like this.
Therefore, design an online welding mechanism, can make electric core need not break away from the carrier, just can realize the welding, reduce the risk of haring electric core, simultaneously, reduce the cost of equipment, this is the technical problem who urgently needs the solution at present.
Disclosure of Invention
The invention aims to provide an online welding mechanism and an online welding production line, which can realize welding of a battery cell without separating from a carrier, reduce the risk of damaging the battery cell and reduce the cost of equipment.
Embodiments of the invention may be implemented as follows:
in a first aspect, an embodiment of the present invention provides an online welding mechanism, including:
a first conveying mechanism;
the carrier is used for carrying the battery cell and movably arranged on the first conveying mechanism;
a second conveying mechanism;
the clamping mechanism is used for clamping the PCM plate and is movably arranged on the second conveying mechanism;
and the welding mechanism is used for welding the lug of the battery cell with the nickel sheet of the PCM plate after the battery cell carried by the carrier is in butt joint with the PCM plate carried by the clamping mechanism and synchronously moves to the welding position of the welding mechanism.
In an alternative embodiment, the second conveying mechanism comprises two parallel rails, the two rails are arranged at intervals along the vertical direction, and each rail is movably provided with one clamping mechanism.
In an alternative embodiment, the clamping mechanism comprises:
the cylinder body of the first lifting cylinder is movably arranged on the track, and the telescopic rod of the first lifting cylinder moves along the vertical direction;
the base frame is arranged on a telescopic rod of the first lifting cylinder;
the fixed block is arranged on the base frame;
the clamping cylinder body of the clamping cylinder is arranged on the base frame;
the movable block is installed on the telescopic link of centre gripping cylinder, and the space between movable block and the fixed block is used for holding PCM board.
In an alternative embodiment, the clamping mechanism further comprises:
the material loading inductor is installed on the base frame and used for sending a material shortage signal to the controller when the fixed block and the movable block are clamped tightly and a PCM (pulse code modulation) plate does not exist in the space between the fixed block and the movable block.
In an alternative embodiment, the track comprises:
a motor;
the screw rod is connected to an output shaft of the motor;
the slider is provided with a threaded hole, the threaded hole is matched with the screw rod, and the clamping mechanism is installed on the slider.
In an alternative embodiment, the in-line welding mechanism further comprises:
and the pressing mechanism is used for mutually pressing the lug of the battery cell and the nickel sheet of the PCM plate in the welding process.
In an alternative embodiment, the hold-down mechanism comprises:
the base is arranged on the second conveying mechanism;
the cylinder body of the second lifting cylinder is arranged on the base;
the mounting seat is mounted on a telescopic rod of the second lifting cylinder;
and the flexible pressing claw is arranged on the mounting seat and used for mutually pressing a lug of the battery cell and a nickel sheet of the PCM plate in a welding process.
In optional embodiment, the clamping mechanism is provided with a positioning hole, and the pressing mechanism further comprises:
the self-positioning guide pin is vertically arranged on the mounting seat and is positioned vertically above the positioning hole, and the self-positioning guide pin is inserted into the positioning hole in the process that the pressing mechanism approaches to the clamping mechanism so as to guide the relative position of the pressing mechanism and the clamping mechanism.
In an alternative embodiment, the hold-down mechanism further comprises:
the positioning sensor is arranged on the base and used for sending a contraposition deviation signal to the controller in the process that the pressing mechanism approaches to the clamping mechanism and the contraposition deviation between the self-positioning guide pin and the positioning hole.
In a second aspect, an embodiment of the present invention provides an online welding production line, where the online welding production line includes:
the in-line welding mechanism of any of the preceding embodiments;
and the controller is electrically connected with the first conveying mechanism, the second conveying mechanism, the clamping mechanism and the welding mechanism, and is used for controlling the electric core carried by the carrier to be in butt joint with the PCM plate carried by the clamping mechanism and synchronously move to the welding position of the welding mechanism, and then controlling the welding mechanism to weld the lug of the electric core with the nickel sheet of the PCM plate.
The online welding mechanism and the online welding production line provided by the embodiment of the invention have the beneficial effects that:
1. after being butted with the PCM plate carried by the clamping mechanism, the battery core carried by the carrier is synchronously moved to the welding position of the welding mechanism, a CCD positioning system is not needed for positioning the battery core, and a high-precision dividing disc system is also not needed, so that the cost is greatly reduced compared with the existing welding equipment;
2. after the battery cell is placed on the carrier, the battery cell cannot be removed from the carrier until welding is completed, so that the times of mechanically carrying, sucking and discharging the battery cell are reduced, and the risk of damaging the battery cell is greatly reduced;
3. in the welding process, the transfer times of the battery cell and the PCM plate are low, the alignment mode of the battery cell and the PCM plate is simple and accurate, and the capacity efficiency is greatly improved;
4. the automation of the welding process is realized, and the labor intensity of workers is reduced;
5. the mechanism design realizes modularization, and parts are more convenient to maintain and replace.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is an assembly schematic view of an on-line welding mechanism provided by an embodiment of the present invention;
FIG. 2 is an assembled view of the second conveyor mechanism, clamping mechanism, and hold-down mechanism of FIG. 1 from a first perspective;
FIG. 3 is an assembled view of the second conveyor mechanism, clamping mechanism, and hold-down mechanism of FIG. 1 from a second perspective;
fig. 4 is an assembly view of a first view of the cell in abutting engagement with the PCM board;
fig. 5 is an assembly diagram of a second view angle of the battery cell and the PCM board in butt joint.
Icon: 100-an online welding mechanism; 110-a first conveying mechanism; 120-a carrier; 130-a second conveying mechanism; 131-a track; 132-a motor; 133-a slider; 140-a clamping mechanism; 141-a first lifting cylinder; 142-a base frame; 143-fixed blocks; 144-a clamping cylinder; 145-active block; 146-a loading sensor; 147-locating holes; 150-a hold-down mechanism; 151-a base; 152-a second lifting cylinder; 153-a mount; 154-flexible press jaws; 155-self-positioning pilot pin; 156-position sensor; 160-a welding mechanism; 200-electric core; 300-PCM board.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
A common method in a mobile phone battery pack carrier line on the market is to grab a product, separate the product from a line body, position the product by a CCD, put the product on a multi-station index plate, rotate the index plate, stagger the space and then perform spot welding. In view of cost, the method needs a set of machine system with CCD positioning function and a set of high-precision index plate system, so that the cost is very high, and the market competitiveness of the equipment is inevitably greatly reduced. From electric core technology protection, electric core need break away from the line body carrier once more, can through mechanical transport, inhale many times and put, must increase the harm of electric core, can't fully embody the superiority of carrier like this.
The embodiment provides an online welding mechanism and online welding production line, and it can make electric core need not break away from the carrier, just can realize the welding, reduces the risk of harm electric core, simultaneously, reduces the cost of equipment.
Referring to fig. 1, the embodiment provides an on-line welding mechanism 100, and the on-line welding mechanism 100 includes a first conveying mechanism 110, a carrier 120, a second conveying mechanism 130, a clamping mechanism 140, a pressing mechanism 150, and a welding mechanism 160.
Specifically, the first conveying mechanism 110 is a conveyor belt device, the carrier 120 is used for carrying the battery cell 200, and the carrier 120 is movably mounted on the first conveying mechanism 110.
The second conveying mechanism 130 is disposed at one side of the first conveying mechanism 110, and the chucking mechanism 140 and the pressing mechanism 150 are mounted on the second conveying mechanism 130. Wherein the clamping mechanism 140 is used to clamp the PCM board 300, and the clamping mechanism 140 is movably mounted on the second transporting mechanism 130. The pressing mechanism 150 is fixedly installed on the second conveying mechanism 130, and the pressing mechanism 150 is used for pressing the tab of the battery cell 200 and the nickel sheet of the PCM plate 300 to each other in the welding process.
The welding mechanism 160 is disposed at one side of the first conveying mechanism 110, after the battery cell 200 carried by the carrier 120 is butted with the PCM plate 300 carried by the clamping mechanism 140, the battery cell and the PCM plate are synchronously moved to a welding position of the welding mechanism 160, and the welding mechanism 160 welds a tab of the battery cell 200 to a nickel plate of the PCM plate 300.
Referring to fig. 2 and 3, the second conveying mechanism 130 includes two parallel rails 131, the two rails 131 are spaced apart from each other in the vertical direction, and a clamping mechanism 140 is movably mounted on each rail 131.
The track 131 comprises a motor 132, a screw rod and a sliding block 133, the screw rod is connected to an output shaft of the motor 132, a threaded hole is formed in the sliding block 133, the threaded hole is matched with the screw rod, and the clamping mechanism 140 is installed on the sliding block 133. The extending direction of the lead screw is parallel to the conveying direction of the first conveying mechanism 110, so that the battery cell 200 and the PCM board 300 can be precisely butted.
The clamping mechanism 140 includes a first lifting cylinder 141, a base frame 142, a fixed block 143, a clamping cylinder 144, a movable block 145, and a feeding sensor 146. Wherein, the cylinder body of the first elevating cylinder 141 is movably installed on the rail 131, and the telescopic rod of the first elevating cylinder 141 moves in the vertical direction. The base frame 142 is installed on the expansion rod of the first elevating cylinder 141, and the base frame 142 can move up and down along with the expansion rod of the first elevating cylinder 141. The fixed block 143 is installed on the base frame 142, the cylinder body of the clamping cylinder 144 is installed on the base frame 142, the movable block 145 is installed on the expansion link of the clamping cylinder 144, and a space between the movable block 145 and the fixed block 143 is used for accommodating the PCM board 300.
Thus, the clamping cylinder 144 drives the movable block 145 to move towards the fixed block 143 to clamp the PCM board 300, and the clamping cylinder 144 drives the movable block 145 to move away from the fixed block 143 to release the PCM board 300.
The loading sensor 146 is installed on the base frame 142, and the loading sensor 146 is used for determining whether the PCM board 300 is present in the space between the fixed block 143 and the movable block 145 when the fixed block 143 and the movable block 145 are clamped, and sending a starved signal to the controller when the PCM board 300 is not present. Therefore, when the controller receives the material shortage signal, the controller can control the equipment to stop in time. Wherein, the feeding sensor 146 can be selected as a fine tuning sensor.
The pressing mechanism 150 includes a base 151, a second lifting cylinder 152, a mounting seat 153, a flexible pressing claw 154, a self-positioning guide pin 155, and a positioning sensor 156. The base 151 is fixedly mounted on the second conveying mechanism 130, the cylinder body of the second lifting cylinder 152 is mounted on the base 151, the mounting seat 153 is mounted on the telescopic rod of the second lifting cylinder 152, the mounting seat 153 can move up and down along with the telescopic rod of the second lifting cylinder 152, the flexible pressing claw 154 is mounted on the mounting seat 153, and the flexible pressing claw 154 is used for mutually pressing the tab of the battery cell 200 and the nickel sheet of the PCM board 300 in the welding process.
The clamping mechanism 140 is provided with a positioning hole 147, a self-positioning and guiding pin 155 is vertically installed on the installation base 153 and is located vertically above the positioning hole 147, and the self-positioning and guiding pin 155 is inserted into the positioning hole 147 in the process that the pressing mechanism 150 approaches the clamping mechanism 140 to guide the relative position of the two.
The positioning sensor 156 is mounted on the base 151, and the positioning sensor 156 is used for sending a positioning deviation signal to the controller when the pressing mechanism 150 approaches the clamping mechanism 140 and the self-positioning guiding pin 155 deviates from the positioning hole 147. Therefore, when the controller receives the alignment deviation signal, the controller can control the equipment to stop and give an alarm in time.
The present embodiment also provides an in-line welding line including an external robot provided at one side of the second conveying mechanism 130 for loading the PCM board 300 to the clamping mechanism 140, a controller, and an in-line welding mechanism 100.
The controller is electrically connected with the external robot, the first conveying mechanism 110, the second conveying mechanism 130, the clamping mechanism 140 and the welding mechanism 160, and is used for controlling the external robot to load the PCM plate 300 to the clamping mechanism 140, controlling the battery cell 200 carried by the carrier 120 to be in butt joint with the PCM plate 300 carried by the clamping mechanism 140 and synchronously move to a welding position of the welding mechanism 160, and then controlling the welding mechanism 160 to weld the tab of the battery cell 200 with the nickel plate of the PCM plate 300.
The working process of the on-line welding mechanism 100 and the on-line welding production line provided by the embodiment comprises the following steps:
firstly, the controller controls the first conveying mechanism 110 to drive the carrier 120 to move, and controls the clamping mechanism 140 to move on the second conveying mechanism 130;
next, referring to fig. 4 and fig. 5, the controller controls the battery cell 200 carried by the carrier 120 to be in butt joint with the PCM plate 300 carried by the clamping mechanism 140, that is, the nickel plate of the PCM plate 300 is attached to the upper surface of the tab of the battery cell 200;
meanwhile, the controller controls the compressing mechanism 150 to act, so that the flexible pressing claw 154 is compressed on the upper surface of the nickel sheet of the PCM board 300, and the tab of the battery cell 200 and the nickel sheet of the PCM board 300 are mutually compressed;
then, the controller controls the battery cell 200 and the PCM board 300 to synchronously move the welding position of the welding mechanism 160, and controls the welding mechanism 160 to weld the tab of the battery cell 200 with the nickel plate of the PCM board 300;
finally, the controller controls the clamping mechanism 140 to release the PCM board 300, the PCM board 300 is welded with the battery cell 200, and the PCM board 300 moves to the next station along with the battery cell 200 and the carrier 120.
Wherein the clamping mechanism 140 releasing the PCM board 300 will clamp the next PCM board 300 for the next cycle of transportation under the control of the controller, and so on. In this embodiment, the second conveying mechanism 130 includes two parallel rails 131, and each rail 131 is movably mounted with a clamping mechanism 140, so that the two clamping mechanisms 140 clamp the PCM board 300 in a reciprocating manner in a crossing manner according to a predetermined process and transport the PCM board, thereby greatly improving the welding efficiency of the apparatus and the productivity.
In other embodiments, only one rail 131 may be provided on the second conveying mechanism 130, and a corresponding clamping mechanism 140 may be installed, so that some costs can be reduced. Of course, more rails 131 may be provided and correspondingly more clamping mechanisms 140 may be installed, which may improve productivity.
The on-line welding mechanism 100 and the on-line welding production line provided by the embodiment have the beneficial effects that:
1. after the electric core 200 carried by the carrier 120 is butted with the PCM board 300 carried by the clamping mechanism 140, the electric core 200 and the PCM board are synchronously moved to the welding position of the welding mechanism 160, and in the synchronous moving process, the relative position deviation of the electric core 200 and the PCM board is less than 0.05mm, so that a CCD positioning system is not required to position the electric core 200, and a high-precision index plate system is not required, so that compared with the existing welding equipment, the cost is greatly reduced, and the cost can be saved by 12 thousands by estimating each equipment;
2. in the welding process of the battery cell 200 and the PCM plate 300, the pressing mechanism 150 presses the battery cell 200 and the PCM plate tightly, so that a gap between the battery cell and the PCM plate is eliminated, and cold welding or false welding can be effectively avoided;
4. the pressing mechanism 150 is provided with the self-positioning guide pin 155 and the positioning inductor 156, so that the butt joint accuracy of the battery cell 200 and the PCM plate 300 can be improved, the welding after the misalignment is avoided, and the rejection rate is effectively reduced;
5. after the battery cell 200 is placed on the carrier 120, the battery cell 200 cannot be removed from the carrier 120 until welding is completed, so that the times of mechanically carrying, sucking and discharging the battery cell 200 are reduced, and the risk of damaging the battery cell 200 is greatly reduced;
6. in the welding process, the transfer times of the battery cell 200 and the PCM plate 300 are low, the alignment mode of the battery cell 200 and the PCM plate 300 is simple and accurate, the productivity efficiency is greatly improved, and the welding process is completed through actual measurement and calculation and is reduced from the existing 3s to 2.2 s;
7. the clamping mechanism 140 is provided with a feeding sensor 146, and when the clamping mechanism 140 is short of material, a material shortage signal is sent to the controller, so that poor welding caused by material shortage is avoided;
8. the automation of the welding process is realized, and the labor intensity of workers is reduced;
9. the mechanism design realizes modularization, and parts are more convenient to maintain and replace.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. An in-line welding mechanism, comprising:
a first conveying mechanism (110);
a carrier (120) for carrying battery cells (200), the carrier (120) being movably mounted on the first conveying mechanism (110);
a second conveying mechanism (130);
a clamping mechanism (140) for clamping the PCM plate (300), the clamping mechanism (140) being movably mounted on the second conveying mechanism (130);
and the welding mechanism (160) is used for welding the lug of the battery cell (200) and the nickel sheet of the PCM plate (300) when the battery cell (200) borne by the carrier (120) is in butt joint with the PCM plate (300) borne by the clamping mechanism (140) and then synchronously moves to the welding position of the welding mechanism (160).
2. The in-line welding mechanism as claimed in claim 1, wherein said second conveying mechanism (130) comprises two rails (131) parallel to each other, said two rails (131) being vertically spaced apart, one clamping mechanism (140) being movably mounted on each of said rails (131).
3. The in-line welding mechanism of claim 2, characterized in that the clamping mechanism (140) comprises:
a first lifting cylinder (141), wherein a cylinder body of the first lifting cylinder (141) is movably mounted on the rail (131), and a telescopic rod of the first lifting cylinder (141) moves along the vertical direction;
a base frame (142) mounted on the telescopic rod of the first lifting cylinder (141);
a fixing block (143) mounted on the base frame (142);
a clamp cylinder (144), a cylinder body of the clamp cylinder (144) being mounted on the base frame (142);
the movable block (145) is installed on an expansion rod of the clamping cylinder (144), and a space between the movable block (145) and the fixed block (143) is used for accommodating the PCM plate (300).
4. The online welding mechanism of claim 3, wherein the clamping mechanism (140) further comprises:
the feeding sensor (146) is mounted on the base frame (142), and the feeding sensor (146) is used for sending a material shortage signal to a controller when the fixed block (143) and the movable block (145) are clamped and the space between the fixed block and the movable block does not exist in the PCM board (300).
5. The in-line welding mechanism of claim 2, characterized in that the rail (131) comprises:
a motor (132);
the screw rod is connected to an output shaft of the motor (132);
the screw rod clamping device comprises a sliding block (133), wherein a threaded hole is formed in the sliding block (133), the threaded hole is matched with the screw rod, and the clamping mechanism (140) is installed on the sliding block (133).
6. The in-line welding mechanism of claim 1, further comprising:
and the pressing mechanism (150) is used for pressing the lug of the battery cell (200) and the nickel sheet of the PCM plate (300) in a welding process.
7. The in-line welding mechanism of claim 6, characterized in that the pressing mechanism (150) comprises:
a base (151) mounted on the second conveying mechanism (130);
a second lifting cylinder (152), the cylinder body of the second lifting cylinder (152) is arranged on the base (151);
the mounting seat (153) is mounted on the telescopic rod of the second lifting cylinder (152);
and the flexible pressing claw (154) is mounted on the mounting seat (153), and the flexible pressing claw (154) is used for mutually pressing a lug of the battery cell (200) and a nickel sheet of the PCM plate (300) in a welding process.
8. The on-line welding mechanism of claim 7, characterized in that the clamping mechanism (140) is provided with a positioning hole (147), and the pressing mechanism (150) further comprises:
and the self-positioning guide pin (155) is vertically arranged on the mounting seat (153) and is positioned vertically above the positioning hole (147), and the self-positioning guide pin (155) is used for being inserted into the positioning hole (147) in the process that the pressing mechanism (150) approaches to the clamping mechanism (140) so as to guide the relative position of the pressing mechanism and the clamping mechanism.
9. The online welding mechanism of claim 8, wherein the hold-down mechanism (150) further comprises:
the positioning sensor (156) is installed on the base (151), and the positioning sensor (156) is used for sending a registration deviation signal to a controller when the pressing mechanism (150) approaches the clamping mechanism (140) and the self-positioning guide pin (155) is misaligned with the positioning hole (147).
10. An on-line welding line, characterized in that it comprises:
the on-line welding mechanism of any one of claims 1 to 9;
the controller is electrically connected with the first conveying mechanism (110), the second conveying mechanism (130), the clamping mechanism (140) and the welding mechanism (160), and is used for controlling the battery cell (200) borne by the carrier (120) to be in butt joint with the PCM plate (300) borne by the clamping mechanism (140) and synchronously move to a welding position of the welding mechanism (160), and then controlling the welding mechanism (160) to weld the lug of the battery cell (200) with the nickel plate of the PCM plate (300).
CN202010782317.0A 2020-08-06 2020-08-06 Online welding mechanism and online welding production line Active CN111822804B (en)

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CN111822804B CN111822804B (en) 2022-02-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112453699A (en) * 2020-11-09 2021-03-09 武汉逸飞激光股份有限公司 Full-lug current collecting disc welding equipment
CN114030837A (en) * 2021-11-17 2022-02-11 深圳市鼎泰威科技有限公司 Full-automatic assembly production line conveyer
CN114654142A (en) * 2022-05-24 2022-06-24 广州市星康科技有限公司 Intelligent welding set is used in computer hardware processing

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CN204148726U (en) * 2014-09-30 2015-02-11 左德林 A kind of square aluminum hull lithium cell cover plate bonding machine
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CN107717204A (en) * 2017-10-09 2018-02-23 中山市朗桥自动化科技有限公司 It is a kind of to be used for cell polar ear automatic matching and the automatic production line of welding
CN109014553A (en) * 2018-06-26 2018-12-18 江苏米研工业设备有限公司 A kind of lithium battery fully-automatic supersonic bonding machine fixation and recognition welding system
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