CN114192960A - Lithium battery cap pressure welding device - Google Patents
Lithium battery cap pressure welding device Download PDFInfo
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- CN114192960A CN114192960A CN202111555176.XA CN202111555176A CN114192960A CN 114192960 A CN114192960 A CN 114192960A CN 202111555176 A CN202111555176 A CN 202111555176A CN 114192960 A CN114192960 A CN 114192960A
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- Prior art keywords
- fixed
- blanking
- cap
- pressure welding
- lithium battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/02—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press ; Diffusion bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
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Abstract
The invention belongs to the technical field of lithium battery assembly, and particularly relates to a lithium battery cap pressure welding device, which comprises: an operation table; the blanking table is provided with a notch at the front end, a blanking plate is fixed in the notch, and a plurality of blanking holes are formed in the blanking plate; the blanking part comprises a cap bin, an electric push rod and a fixing plate, and the cap bin is provided with a plurality of storage troughs; the front end of the electric push rod is fixed at the rear end of the cap cabin; the fixed plate is fixed on the operating platform, and the upper part of the fixed plate is connected with the rear end of the electric push rod; the upper surface of the battery bin is provided with a placing groove; and the pressure welding piece is fixed on the operating platform. The invention takes the problem of solving the existing cap pressure welding device as a starting point, a plurality of components such as a blanking table, a blanking piece, a battery bin, a pressure welding piece, a PLC (programmable logic controller) and the like are designed, and the components are mutually matched, so that the pressure welding efficiency of the lithium battery cap can be further improved, and the processing efficiency of the lithium battery can be further improved; meanwhile, the quality of pressure welding of the cap can be ensured.
Description
Technical Field
The invention belongs to the technical field of lithium battery assembly, and particularly relates to a pressure welding device for a lithium battery cap.
Background
A lithium battery is a battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. In the assembly process of the lithium battery, the cap needs to be welded on the lithium battery in a pressure welding mode, wherein the pressure welding mode is a welding method which applies certain pressure to an assembly weldment in a heating or non-heating state to generate plastic deformation or melting and enable atoms on two separated surfaces to form a metal bond to be connected through recrystallization, diffusion and the like.
Application number CN202021918120.7, a lithium cell cap pressure welding device is disclosed, it sets up the gag lever post and plays limiting displacement to the slide, the stationarity when having improved the slide and sliding from top to bottom, drive the block that leads to the inslot down and be close to the lithium cell when the slide down-motion, drive the clamp plate through first telescopic link and move down and enter into logical inslot, and through the clamp plate promote on the press welding to the lithium cell when the block moves down, operation process is simple, the machining efficiency of lithium cell has been improved. However, it also has the following disadvantages: all need adjust the slide when pressure welding at every turn, the slide leads to the inslot and can only place 1 block moreover, all needs the operator to place the block toward leading to the inslot again after the pressure welding at every turn, and machining efficiency remains to improve.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a lithium battery cap pressure welding device which can further improve the processing efficiency of a lithium battery.
In order to achieve the purpose, the invention provides the following technical scheme:
lithium cell cap pressure welding device includes:
an operation table;
the blanking table is provided with a notch at the front end, a blanking plate is fixed in the notch, and a plurality of blanking holes are formed in the blanking plate at intervals;
the blanking part comprises a cap bin, an electric push rod and a fixing plate, wherein the cap bin is positioned on the upper surface of the blanking table, and a plurality of material storage grooves which correspond to the blanking holes and penetrate through the upper surface and the lower surface of the cap bin are formed in the cap bin; the front end of the electric push rod is fixed in the middle of the rear end of the cap cabin; the fixed plate is fixed on the operating platform and positioned at the rear end of the blanking platform, and the upper part of the fixed plate is fixedly connected with the rear end of the electric push rod;
the upper surface of the battery bin is uniformly provided with a plurality of placing grooves corresponding to the discharging holes;
and the pressure welding piece is fixed on the operating platform and is positioned at the front end of the blanking platform.
Preferably, the pressure welding piece comprises a U-shaped frame, a cylinder, a pressure plate and a pressure welding head, and the U-shaped frame is fixed on the operating platform; the cylinder is fixed in the middle of the top of the U-shaped frame, and the telescopic end of the cylinder vertically penetrates through the U-shaped frame downwards; the pressing plate is fixed on the telescopic end of the air cylinder; and the pressure welding heads are fixed on the lower surface of the pressure plate at intervals and correspond to the blanking holes in position.
Preferably, 2 limiting rods are arranged on the pressing plate at intervals; and the U-shaped frame is provided with a limiting groove corresponding to the limiting rod.
Preferably, the blanking table is of a hollow structure with a front opening and a rear opening, and the inner walls of two sides of the blanking table are fixedly provided with limit blocks which are abutted against the rear end of the battery bin; the outer walls of the two sides of the battery bin are attached to the inner walls of the two sides of the blanking table.
Preferably, a front contact switch and a rear contact switch are correspondingly fixed at two ends of one side of the blanking table respectively, and the front contact switch and the rear contact switch are both connected with the electric push rod; and a front contact corresponding to the front contact switch and a rear contact corresponding to the rear contact switch are respectively fixed at two ends of one side wall of the cap bin.
Preferably, a lower contact switch is fixed on the side wall of the upper end of the limiting rod; an upper contact switch is fixed on the upper surface of the pressure plate.
Preferably, the lithium battery cap press welding device further comprises a PLC (programmable logic controller) connected with the front contact switch, the rear contact switch, the lower contact switch and the upper contact switch, and a control switch connected with the PLC, wherein the PLC and the control switch are fixed on the operating platform;
the air cylinder and the electric push rod are electrically connected with the PLC.
Compared with the prior art, the invention has the following beneficial effects:
(1) the blanking plate is provided with the plurality of blanking holes, and in the actual processing process, one cap can be placed in each blanking hole by each action of the blanking piece, so that the operation is convenient and fast, and the press welding operation can be conveniently carried out on the plurality of caps at the same time.
(2) The battery compartment is provided with the plurality of placing grooves, the placing grooves correspond to the blanking holes in position, and the caps in the blanking holes can be simultaneously pressure-welded on the lithium batteries in the plurality of placing grooves by means of the pressure welding piece, so that the processing efficiency of the lithium batteries can be improved; simultaneously, the diameter of standing groove corresponds with the diameter size of lithium cell, can carry on spacingly to the lithium cell like this, prevents the skew of bonding in-process lithium cell, can improve the quality of lithium cell block bonding.
(3) The pressing plate of the pressure welding piece is provided with the plurality of pressure welding heads, and the plurality of pressure welding heads can simultaneously perform pressure welding on the plurality of caps, so that the pressure welding efficiency of the lithium battery is improved conveniently; meanwhile, the limiting rod is further arranged on the pressing plate, the limiting rod and the limiting groove are matched in a sliding guide mode, so that the track of the pressing plate moving up and down can be limited, the deviation in the moving process is prevented, the stability of the whole device is improved, and meanwhile the quality of the cap pressure welding can be improved.
(4) The limiting block is arranged on the inner wall of the blanking table and abutted against the rear end of the battery bin, and plays a limiting role, so that the nut cap positioned in the blanking bin corresponds to the lithium battery positioned in the limiting groove in position, the deviation is avoided, and the pressure welding quality is improved.
(5) The device is provided with the PLC, and the contact switch and the control switch which are connected with the PLC, and the device can be automated to a certain degree through the mutual matching of all the parts, so that the device is beneficial to reducing the human participation in the pressure welding process, and can improve the pressure welding efficiency of the lithium battery cap, thereby improving the processing efficiency of the lithium battery.
(6) The invention takes the problem of solving the existing cap pressure welding device as a starting point, a plurality of components such as a blanking table, a blanking piece, a battery bin, a pressure welding piece, a PLC (programmable logic controller) and the like are designed, and the components are mutually matched, so that the pressure welding efficiency of the lithium battery cap can be further improved, and the processing efficiency of the lithium battery can be further improved; meanwhile, the quality of pressure welding of the cap can be ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a state diagram of the battery compartment of FIG. 3 removed;
FIG. 5 is a top view of FIG. 1;
description of the reference numerals:
100. an operation table;
200. a blanking table; 201. a notch; 202. a blanking plate; 2021. a blanking hole; 203. a limiting block; 204. a front contact switch; 205. a rear contact switch;
300. blanking parts; 301. a cap bin; 3011. a storage tank; 3012. a front contact; 3013. a rear contact; 302. an electric push rod; 303. a fixing plate;
400. a battery compartment; 401. a placement groove; 402. a handle;
500. pressing a welded part; 501. a U-shaped frame; 5011. a limiting groove; 502. a cylinder; 503. pressing a plate; 5031. a limiting rod; 5032. a lower contact switch; 5033. an upper contact switch; 504. pressing a welding head;
600. a PLC controller;
700. and controlling the switch.
Detailed Description
In the following, the technical solutions of the present invention will be described clearly and completely, and it is obvious that the described embodiments are some, not all embodiments of the present 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.
Examples
Referring to fig. 1-5, a lithium battery cap press-welding device comprises:
an operation table 100;
a notch 201 is reserved at the front end of the blanking table 200, a blanking plate 202 is fixed in the notch 201, and a plurality of blanking holes 2021 are formed in the blanking plate 202 at intervals; it should be added here that the upper surface of the blanking plate 202 is flush with the upper surface of the blanking table 200;
the blanking part 300 comprises a cap bin 301, an electric push rod 302 and a fixing plate 303, wherein the cap bin 301 is positioned on the upper surface of the blanking table 200, and a plurality of material storage grooves 3011 which correspond to the blanking holes 2021 and penetrate through the upper surface and the lower surface of the cap bin 301 are formed in the cap bin 301; the front end of the electric push rod 302 is fixed in the middle of the rear end of the cap cabin 301; the fixing plate 303 is fixed on the operation table 100 and located at the rear end of the blanking table 200, and the upper part of the fixing plate is fixedly connected with the rear end of the electric push rod 302;
the upper surface of the battery bin 400 is uniformly provided with a plurality of placing grooves 401 corresponding to the blanking holes 2021; as can be seen from fig. 1, a handle 402 is fixed to the front end of the battery compartment 400;
the pressure welding piece 500 is fixed on the operation table 100 and located at the front end of the blanking table 200, specifically, the pressure welding piece 500 comprises a U-shaped frame 501, an air cylinder 502, a pressure plate 503 and a pressure welding head 504, and the U-shaped frame 501 is fixed on the operation table 100; the cylinder 502 is fixed in the middle of the top of the U-shaped frame 501, and the telescopic end of the cylinder vertically penetrates through the U-shaped frame 501 downwards; the pressing plate 503 is fixed on the telescopic end of the cylinder 502; the bonding tools 504 are fixed on the lower surface of the pressing plate 503 at intervals and correspond to the position of the blanking hole 2021. Preferably, 2 limiting rods 5031 are arranged on the pressure plate 503 at intervals; the U-shaped frame 501 is provided with a limit slot 5011 corresponding to the limit rod 5031.
In this embodiment, the blanking table 200 is a hollow structure with front and rear openings, and the inner walls of both sides of the blanking table are fixed with limit blocks 203 abutted against the rear end of the battery compartment 400; the outer walls of the two sides of the battery compartment 400 are attached to the inner walls of the two sides of the blanking table 200.
In addition, in the present embodiment, a front contact switch 204 and a rear contact switch 205 are respectively fixed to two ends of one side of the blanking table 200; a front contact 3012 corresponding to the front contact switch 204 and a rear contact 3013 corresponding to the rear contact switch 205 are respectively fixed at two ends of one side wall of the cap bin 301; a lower contact switch 5032 is fixed on the side wall of the upper end of the limiting rod 5031; an upper contact switch 5033 is fixed to the upper surface of the pressure plate 503.
Next, in this embodiment, in order to further improve the bonding efficiency, the lithium battery cap bonding apparatus further includes a PLC controller 600 connected to the front contact switch 204, the rear contact switch 205, the lower contact switch 5032 and the upper contact switch 5033, and a control switch 700 connected to the PLC controller 600, wherein the PLC controller 600 and the control switch 700 are both fixed on the console 100, and the air cylinder 502 and the electric push rod 302 are both electrically connected to the PLC controller 600.
When the blanking table is used, firstly, a cover cap to be pressure-welded is placed in the material storage groove 3011, a lithium battery is placed on the placing groove 401, then the battery bin 400 is placed in the blanking table 200, and the rear end of the battery bin abuts against the limiting block 203; the control switch 700 is pressed, the PLC controller 600 controls the telescopic end of the electric push rod 302 to extend out, and the electric push rod 302 pushes the cap bin 301 to move above the upper surface of the blanking table 200, where it should be noted that a small gap is left between the lower surface of the cap bin 301 and the upper surface of the blanking table 200; when the material storage groove 3011 corresponds to the blanking hole 2021, the cap falls into the blanking hole 2021, and the lower surface of the cap abuts against the upper end of the lithium battery; when the cap bin 301 continues to move forward, the front contact 3012 touches and presses the front contact switch 204, the PLC controller 600 receives the signal and then controls the telescopic end of the electric push rod 302 to retract, so as to drive the cap bin 301 to move to the initial position, when the movement distance is a certain distance, the back contact 3013 touches and presses the back contact switch 205, the PLC controller 600 receives the signal and then controls the electric push rod 302 to stop, and at the same time controls the telescopic end of the air cylinder 502 to extend, the pressing plate 503 moves downward, the pressing and welding head 504 moves downward synchronously with the pressing plate 503 so as to press and weld the cap in the blanking hole 2021 on the corresponding lithium battery, when the press and welding is finished, the lower contact switch 5032 touches and presses on the U-shaped frame 501, the PLC controller 600 controls the telescopic end of the air cylinder 502 to retract, when the pressing plate 503 moves upward by a certain distance, the upper contact switch 5033 touches and presses on the U-shaped frame 501, the PLC controller 600 stops the air cylinder 502, the operator takes out the battery bin 400 by means of the handle 402, and taking out the lithium battery in the lithium battery, and replacing the lithium battery with a new lithium battery, and circulating the steps.
From the above, the whole bonding process has certain automation, and the operator can complete the whole bonding operation only by pressing the control switch 700 once, so that the processing efficiency of the lithium battery can be further improved.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (7)
1. Lithium cell block cap pressure welding device, its characterized in that includes:
an operation table;
the blanking table is provided with a notch at the front end, a blanking plate is fixed in the notch, and a plurality of blanking holes are formed in the blanking plate at intervals;
the blanking part comprises a cap bin, an electric push rod and a fixing plate, wherein the cap bin is positioned on the upper surface of the blanking table, and a plurality of material storage grooves which correspond to the blanking holes and penetrate through the upper surface and the lower surface of the cap bin are formed in the cap bin; the front end of the electric push rod is fixed in the middle of the rear end of the cap cabin; the fixed plate is fixed on the operating platform and positioned at the rear end of the blanking platform, and the upper part of the fixed plate is fixedly connected with the rear end of the electric push rod;
the upper surface of the battery bin is uniformly provided with a plurality of placing grooves corresponding to the discharging holes;
and the pressure welding piece is fixed on the operating platform and is positioned at the front end of the blanking platform.
2. The lithium battery cap pressure welding device according to claim 1, wherein the pressure welding piece comprises a U-shaped frame, a cylinder, a pressure plate and a pressure welding head, and the U-shaped frame is fixed on the operating platform; the cylinder is fixed in the middle of the top of the U-shaped frame, and the telescopic end of the cylinder vertically penetrates through the U-shaped frame downwards; the pressing plate is fixed on the telescopic end of the air cylinder; and the pressure welding heads are fixed on the lower surface of the pressure plate at intervals and correspond to the blanking holes in position.
3. The lithium battery cap pressure welding device according to claim 2, wherein 2 limiting rods are arranged on the pressure plate at intervals; and the U-shaped frame is provided with a limiting groove corresponding to the limiting rod.
4. The lithium battery cap pressure welding device according to claim 3, wherein the blanking table is of a hollow structure with a front opening and a rear opening, and limiting blocks abutted against the rear end of the battery compartment are fixed on the inner walls of two sides of the blanking table; the outer walls of the two sides of the battery bin are attached to the inner walls of the two sides of the blanking table.
5. The lithium battery cap press welding device according to claim 3, wherein a front contact switch and a rear contact switch are correspondingly fixed at two ends of one side of the blanking table respectively; and a front contact corresponding to the front contact switch and a rear contact corresponding to the rear contact switch are respectively fixed at two ends of one side wall of the cap bin.
6. The lithium battery cap press welding device according to claim 5, wherein a lower contact switch is fixed on a side wall of the upper end of the limiting rod; an upper contact switch is fixed on the upper surface of the pressure plate.
7. The lithium battery cap press-welding device according to claim 6, further comprising a PLC controller connected to the front contact switch, the rear contact switch, the lower contact switch and the upper contact switch, and a control switch connected to the PLC controller, wherein the PLC controller and the control switch are both fixed to the console;
the air cylinder and the electric push rod are electrically connected with the PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111555176.XA CN114192960A (en) | 2021-12-17 | 2021-12-17 | Lithium battery cap pressure welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111555176.XA CN114192960A (en) | 2021-12-17 | 2021-12-17 | Lithium battery cap pressure welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114192960A true CN114192960A (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111555176.XA Pending CN114192960A (en) | 2021-12-17 | 2021-12-17 | Lithium battery cap pressure welding device |
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| CN (1) | CN114192960A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255894A (en) * | 2022-09-01 | 2022-11-01 | 无锡市博澳智能装备有限公司 | Battery sealing bolt assembly machine |
-
2021
- 2021-12-17 CN CN202111555176.XA patent/CN114192960A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255894A (en) * | 2022-09-01 | 2022-11-01 | 无锡市博澳智能装备有限公司 | Battery sealing bolt assembly machine |
| CN115255894B (en) * | 2022-09-01 | 2023-08-18 | 无锡市博澳智能装备有限公司 | Battery sealing plug assembly machine |
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