Lithium battery module cover plate laser cutting machine

Abstract

The invention discloses a lithium battery module cover plate laser cutting machine, and relates to the technical field of lithium battery accessory machining, the lithium battery module cover plate laser cutting machine comprises a table top, a first material disc arranged on the table top and a second material disc fixed behind the first material disc, and a laser cutting unit capable of conducting laser cutting operation on a cover plate is arranged at the center of the table top; when the first material disc and the second material disc move in a reciprocating mode, the first material disc and the second material disc move to the position below the laser cutting unit in turn to receive laser cutting operation. In the running process of the cutting machine, along with the reciprocating motion of the first material disc and the second material disc, when one of the first material disc and the second material disc receives laser cutting operation, the other material disc after cutting operation is completed can receive feeding operation, in the feeding operation process, normal implementation of laser cutting operation is not affected, and the working efficiency is improved. And the time consumed in the feeding operation process is shortened, the device is suitable for continuous laser cutting work of multiple cover plates, and the efficiency of laser cutting operation is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of lithium battery accessory processing, and particularly relates to a lithium battery module cover plate laser cutting machine. BACKGROUND

[0002] The lithium battery module cover plate is a core component for battery sealing, safety protection and electrode connection, and its production needs to consider precision, sealing, conductivity and corrosion resistance, and the process flow covers raw material processing, forming processing, precision manufacturing, surface protection, component integration and full-process detection. In the production process of the lithium battery module cover plate, for the research and development stage, multi-variety small batch or complex-shaped cover plates, laser cutting can be directly programmed and cut according to the 3D drawing, reducing the early investment. When the cover plate uses high-strength materials such as magnesium alloy, titanium alloy (stamping is easy to crack), or aluminum alloy with a thickness of greater than or equal to 3 mm, laser cutting can realize stress-free cutting and avoid material deformation. If small holes (hole diameter less than or equal to 1 mm) or complex hole types need to be cut, laser cutting can improve the machining precision. After stamping and forming, if local size exceeds the tolerance, laser local trimming adjustment can be used to avoid the whole batch being scrapped.

[0003] The existing device for implementing laser cutting operation on the lithium battery module needs to sequentially move the cover plates to be cut into the device for loading operation. After the device completes the processing operation, the processed cover plates need to be sequentially transferred for unloading operation. In the loading and unloading process, the cutting operation is mostly suspended. In the process of cutting multiple cover plates, the time consumed by loading and unloading operation is relatively long, which affects the efficiency of cutting processing operation. Therefore, the present application provides a lithium battery module cover plate laser cutting machine to meet the needs. SUMMARY

[0004] In view of the above problems, the present application provides a lithium battery module cover plate laser cutting machine.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a lithium battery module cover plate laser cutting machine, comprising a table top, a first tray arranged on the table top, and a second tray fixed to the rear of the first tray, wherein the center of the table top is provided with a laser cutting unit capable of performing laser cutting operation on the cover plate. When the first tray and the second tray reciprocate, the first tray and the second tray move to the lower part of the laser cutting unit alternately to receive the laser cutting operation.

[0006] The first feeding plate and the second feeding plate are respectively provided with a first feeding suction cup and a second feeding suction cup.

[0007] Further, the table is provided with a guide linear module, which is located directly below the laser cutting unit, and the first tray and the second tray are slidably installed with the guide linear module. With the reciprocating movement of the first tray and the second tray, the first tray and the second tray are moved to the laser cutting unit alternately.

[0008] Further, the table is provided with an extension table one and an extension table two, the extension table one is provided with a first linear module, the first linear module is distributed vertically with the guide linear module, and the first linear module is installed with a first support frame, the first support frame is connected with a first guide frame through a pneumatic assembly, the first guide frame extends above the first feeding plate, and the first feeding suction cup is installed with the first guide frame. With the synchronous movement of the first support frame and the first guide frame, the first feeding suction cup after the first feeding plate inside the to-be-processed cover plate is adsorbed is moved above the first tray.

[0009] Further, the extension table two is provided with a second linear module, the second linear module is distributed vertically with the guide linear module, and the second linear module is installed with a second support frame, the second support frame is connected with a second guide frame through a pneumatic assembly, the second guide frame extends above the second feeding plate, and the second feeding suction cup is installed with the second guide frame. With the synchronous movement of the second support frame and the second guide frame, the second feeding suction cup after the second feeding plate inside the to-be-processed cover plate is adsorbed is moved above the second tray.

[0010] Further, the table is provided with a rotating rod in front and rear, the rotating rod is provided with a linkage gear which can rotate with the rotating rod, and the rotating rod is installed with a linkage arm which can rotate synchronously with the rotating rod, and the linkage arm is installed with a material moving suction cup away from the rotating rod.

[0011] The first support frame and the second support frame are respectively installed with a first linkage rack and a second linkage rack which can move synchronously with the first support frame and the second support frame, two linkage gears distributed from front to back are respectively engaged with the first linkage rack and the second linkage rack, when the first linkage rack and the second linkage rack move towards the first tray and the second tray respectively, the two linkage gears and the rotating rod rotate synchronously, and the two linkage arms and the material moving suction cup rotate synchronously.

[0012] Further, the two rotating rods are fixedly installed with support arms, the support arms are located below the linkage arms, and the support arms are connected with the linkage arms through pneumatic assemblies.

[0013] Further, the extension table one and the extension table two are provided with bosses away from the one end of the table top, two bosses distributed from front to back are respectively provided with a first storage tray and a second storage tray, and with the synchronous rotation of the two linkage gears, the rotating rods and the support arms, the cover plates cut and processed in the first tray and the second tray are adsorbed by the moving adsorption disc and can be moved above the first storage tray and the second storage tray respectively with the rotation of the moving adsorption disc.

[0014] Further, the first feeding plate is provided with a movable extension feeding plate on the side facing the second tray, and the extension table one is provided with an extension linear module installed with the extension feeding plate.

[0015] The opposite sides of the first feeding plate and the extension feeding plate are in a comb tooth structure, and when the extension feeding plate is opposite to the first feeding plate, the comb tooth structures on the opposite sides of the first feeding plate and the extension feeding plate are spliced.

[0016] Further, the extension feeding plate is provided with an extension feeding adsorption disc above, the extension feeding adsorption disc is fixedly connected with an extension frame, the extension frame is slidingly connected with the first guide frame, and the extension frame is fixedly provided with a driving rack arranged along the distribution direction of the extension frame, the first guide frame is provided with an electric gear wheel engaged with the driving rack, and with the synchronous movement of the driving rack and the extension frame, the extension feeding adsorption disc is switched in position above the extension feeding plate and the first feeding plate.

[0017] In summary, the technical effects and advantages of the present application are:

[0018] 1. In the operation process of the cutting machine, with the reciprocating movement of the first tray and the second tray, when one of the first tray and the second tray receives laser cutting operation, the other tray after cutting operation can receive feeding operation, which does not affect the normal implementation of laser cutting operation, reduces the time consumed in the feeding operation process, is suitable for continuous laser cutting work of multiple cover plates, and improves the efficiency of laser cutting operation.

[0019] 2. In the cutting operation process, the cover plates after laser cutting operation in the first tray or the second tray can be simultaneously implemented with feeding and discharging operations, which guarantees the synchronism of feeding and discharging operations, improves the efficiency of feeding and discharging operations, and further improves the efficiency of laser cutting operation on multiple cover plates.

[0020] 3、The adjustable extension feeding plate is separated from the first feeding plate, the first tray and the second tray can be simultaneously fed in the initial running state of the cutting machine, the initial running state of the cutting machine is adapted, the time required for manual feeding in the initial state is reduced, the accuracy of the feeding operation is ensured, and the portability of the feeding operation is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0022] Figure 1 It is a schematic view of the three-dimensional structure of the present application.

[0023] Figure 2 It is a schematic view of the state of the first tray and the second tray after moving forward.

[0024] Figure 3 It is a schematic view of the state of the second feeding suction cup and the material moving suction cup when they implement the material changing operation on the second processing tray.

[0025] Figure 4 It is a schematic view of the structure above the table top of the present application.

[0026] Figure 5 It is a schematic view of the state of the extension feeding plate and the first feeding plate when they simultaneously implement the feeding operation on the first tray and the second tray.

[0027] Figure 6 It is a schematic view of the state of the extension feeding plate and the first feeding plate when they implement the feeding operation on the first tray after being spliced.

[0028] Figure 7 It is a schematic view of the state of the second feeding suction cup when it implements the material changing operation on the second tray.

[0029] Figure 8 It is a schematic view of the position structure of the extension feeding plate, the first feeding plate and the first storage tray of the present application.

[0030] Figure 9 It is a schematic view of the position structure of the second feeding plate and the second storage tray of the present application.

[0031] Figure 10 It is a schematic view of the connection structure of the extension feeding plate and the first feeding plate of the present application.

[0032] Figure 11 It is a schematic view of the connection structure of the second feeding plate and the second guide frame of the present application.

[0033] Figure: 1, the table; 2, the first tray; 3, the second tray; 4, the extension table one; 5, the extension table two; 6, the extension feeding plate; 7, the first feeding plate; 8, the second feeding plate; 9, the first storage tray; 10, the second storage tray; 11, the guide linear module; 12, the laser cutting unit; 13, the rotating rod; 14, the linkage gear; 15, the support arm; 16, the linkage arm; 17, the material moving suction cup; 41, the first linear module; 42, the extension linear module; 51, the second linear module; 61, the extension feeding suction cup; 62, the extension frame; 621, the driving rack; 71, the first feeding suction cup; 72, the first guide frame; 721, the electric gear; 73, the first support frame; 74, the first linkage rack frame; 81, the second feeding suction cup; 82, the second guide frame; 83, the second support frame; 84, the second linkage rack frame. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0035] Embodiment 1: Referring to Figures 1-3 The laser cutting machine for lithium battery module cover plates shown comprises a table 1, a first tray 2 arranged on the table 1, and a second tray 3 fixed to the rear of the first tray 2. The first tray 2 and the second tray 3 can both hold cover plates. A laser cutting unit 12 for performing laser cutting operation on the cover plates is arranged at the center of the table 1. When the first tray 2 and the second tray 3 move back and forth, the first tray 2 and the second tray 3 move to the laser cutting unit 12 below in turn to receive laser cutting operation.

[0036] Further, as shown in Figure 2 , Figure 3 , the first feeding plate 7 and the second feeding plate 8 for carrying cover plates to be processed are arranged on both sides of the table 1. The first feeding plate 7 and the second feeding plate 8 are respectively provided with a first feeding suction cup 71 and a second feeding suction cup 81 above. When the second tray 3 carrying cover plates moves to the laser cutting unit 12 below to receive laser cutting operation, the first feeding suction cup 71 moves the cover plates in the first feeding plate 7 to the inside of the first tray 2. When the first tray 2 carrying cover plates is located below the laser cutting unit 12 to receive laser cutting operation, the second feeding suction cup 81 moves the cover plates in the second feeding plate 8 to the inside of the second tray 3.

[0037] Therefore, during the operation of the cutting machine, when one of the first tray 2 and the second tray 3 receives the laser cutting operation, the other tray after the cutting operation can receive the feeding operation, which does not affect the normal implementation of the laser cutting operation, reduces the time consumed in the feeding operation, is suitable for continuous laser cutting work of multiple cover plates, and improves the efficiency of the laser cutting operation.

[0038] Specifically, as shown in Figure 4 The first tray 2 and the second tray 3 are slidably installed with the guide linear module 11, and reciprocating movement of the first tray 2 and the second tray 3 drives the first tray 2 and the second tray 3 to move to the laser cutting unit 12 in turn, so as to implement the laser cutting operation on the cover plates in the first tray 2 and the second tray 3.

[0039] Specifically, in order to smoothly implement the feeding operation on the first tray 2 and the second tray 3 during the cutting operation, in the present application, as shown in Figure 5 The first tray 2 and the second tray 3 are slidably installed with the guide linear module 11, and reciprocating movement of the first tray 2 and the second tray 3 drives the first tray 2 and the second tray 3 to move to the laser cutting unit 12 in turn, so as to implement the laser cutting operation on the cover plates in the first tray 2 and the second tray 3.

[0040] When the second tray 3 carrying the cover plates moves to the laser cutting unit 12 to receive the laser cutting operation, the first tray 2 is opposite to the first feeding plate 7. Under the action of the pneumatic assembly, the first guide frame 72 can be lifted, and then the first feeding suction disc 71 can be lifted after adsorbing the cover plates to be processed in the first feeding plate 7. With the synchronous movement of the first support frame 73 and the first guide frame 72, the first feeding suction disc 71 after adsorbing the cover plates to be processed in the first feeding plate 7 moves to above the first tray 2. Finally, under the action of the pneumatic assembly, the first feeding suction disc 71 can move the cover plates to be processed into the first tray 2, and the feeding operation of the first tray 2 is completed. After the feeding operation is completed, the first support frame 73, the first guide frame 72 and the first feeding suction disc 71 move to the initial position under the operation of the first linear module 41.

[0041] As shown in Figure 7As shown, the second linear module 51 is arranged on the extension table 5, the second linear module 51 is perpendicular to the guide linear module 11, and the second linear module 51 is provided with a second supporting frame 83, the second supporting frame 83 is connected with a second guide frame 82 through a pneumatic assembly, the second guide frame 82 extends above the second feeding plate 8, and the second feeding suction disc 81 is arranged on the second guide frame 82.

[0042] When the first tray 2 carrying the cover plates is positioned below the laser cutting unit 12 to receive the laser cutting operation, the second tray 3 is positioned opposite to the second feeding plate 8. Under the action of the pneumatic assembly, the second guide frame 82 can be lifted, and then the second feeding suction disc 81 can be lifted after sucking the cover plates to be processed in the second feeding plate 8. With the synchronous movement of the second supporting frame 83 and the second guide frame 82, the second feeding suction disc 81 moves above the second tray 3 after sucking the cover plates to be processed in the second feeding plate 8. Finally, under the action of the pneumatic assembly, the second feeding suction disc 81 can move the cover plates to be processed into the second tray 3, and the feeding operation of the second tray 3 is completed. After the feeding operation is completed, the second supporting frame 83, the second guide frame 82 and the second feeding suction disc 81 move to the initial position under the operation of the second linear module 51.

[0043] As shown in Figure 5 , Figure 7 As shown in the drawings, the rotary rods 13 are arranged in front of and behind the table top 1, the rotary rods 13 are provided with linkage gears 14 which can rotate relative to the rotary rods 13, the rotary rods 13 are provided with linkage arms 16 which can rotate synchronously relative to the rotary rods 13, and the linkage arms 16 are provided with material moving suction discs 17 which are away from the rotary rods 13.

[0044] The first supporting frame 73 and the second supporting frame 83 are respectively provided with first linkage rack frames 74 and second linkage rack frames 84 which can move synchronously relative to the first supporting frame 73 and the second supporting frame 83, the two linkage gears 14 arranged from front to back are respectively engaged with the first linkage rack frames 74 and the second linkage rack frames 84. In the initial state, before the first feeding suction disc 71 or the second feeding suction disc 81 feeds the cover plates to be processed into the first tray 2 or the second tray 3, the two material moving suction discs 17 arranged from front to back are above the first tray 2 and the second tray 3, as shown in Figure 8 , Figure 9 .

[0045] When the first feeding suction disc 71 or the second feeding suction disc 81 moves and feeds the first tray 2 or the second tray 3, the first linkage rack frames 74 and the second linkage rack frames 84 move towards the first tray 2 and the second tray 3 respectively, so that the two linkage gears 14 and the rotary rods 13 rotate synchronously, the two linkage arms 16 and the material moving suction discs 17 rotate synchronously, and the cover plates processed in the first tray 2 and the second tray 3 are taken out.

[0046] Therefore, during the process of the cutting operation, the feeding and discharging operations can be simultaneously implemented on the cover plates after the laser cutting operation is completed in the first tray 2 or the second tray 3, the synchronism of the feeding and discharging operations is guaranteed, the time required for the manual feeding and discharging operations is reduced, the efficiency of the feeding and discharging operations is improved, and the efficiency of the laser cutting operation on the plurality of cover plates is further improved.

[0047] Specifically, in order to enable the material moving suction disc 17 to smoothly adsorb the cover plates in the first tray 2 or the second tray 3, in the present application, the support arms 15 are fixedly installed on the two rotating rods 13, the support arms 15 are located below the linkage arms 16, and the support arms 15 are connected with the linkage arms 16 through the pneumatic assemblies. When the pneumatic assemblies are operated, the linkage arms 16 carrying the material moving suction disc 17 can be lifted and lowered, and then the material moving suction disc 17 can smoothly adsorb the cover plates in the first tray 2 or the second tray 3, as shown in Figure 10 、 Figure 11 .

[0048] Further, as shown in Figure 8 、 Figure 9 , the extension table one 4 and the extension table two 5 are provided with bosses away from one end of the table top 1, two bosses distributed from front to back are respectively provided with the first storage disc 9 and the second storage disc 10, and with the synchronous rotation of the two linkage gears 14, the rotating rods 13 and the support arms 15, the cover plates after the cutting and processing in the first tray 2 and the second tray 3 can be moved above the first storage disc 9 and the second storage disc 10 respectively after being adsorbed by the material moving suction disc 17 and rotating with the material moving suction disc 17. The first storage disc 9 and the second storage disc 10 can concentrate the processed cover plates, so as to facilitate the subsequent concentrated transfer operation of the cover plates.

[0049] Example 3: Based on the examples 1 and 2, during the initial use of the cutting machine, the second tray 3 is placed at the center of the table top 1, in order to enable the laser cutting unit 12 to continuously implement the laser cutting operation on the cover plates in the second tray 3 and the first tray 2. In the present application, as shown in Figure 6 , the side of the first feeding plate 7 facing the second tray 3 is provided with a movable extension feeding plate 6, and the extension table one 4 is provided with an extension linear module 42 installed with the extension feeding plate 6. The opposite sides of the first feeding plate 7 and the extension feeding plate 6 are in a comb-shaped structure, and when the extension feeding plate 6 is connected with the first feeding plate 7, the comb-shaped structures on the opposite sides of the first feeding plate 7 and the extension feeding plate 6 are spliced.

[0050] In the process of initial loading, the extension feeding plate 6 is separated from the first feeding plate 7. Since the two are in a comb-shaped butt joint when they are connected, after they are separated, they can independently carry the cover plates to be processed. After the extension feeding plate 6 is separated from the first feeding plate 7, the first tray 2 and the second tray 3 can be loaded synchronously in the initial running state of the cutting machine, which is suitable for the initial running state of the cutting machine, reduces the time required for manual loading in the initial state, ensures the accuracy of the loading operation, avoids the phenomenon of pollution of the cover plate in the process of manual loading, and improves the portability of the loading operation. In the subsequent cutting process, the extension feeding plate 6 is connected to the first feeding plate 7, and carries the subsequent cover plates to be loaded, so as to facilitate subsequent loading of the first tray 2.

[0051] As shown in Figure 8 The extension feeding plate 6 is provided with an extension feeding chuck 61 above it, and the extension feeding chuck 61 is fixedly connected with an extension frame 62. The extension frame 62 is in sliding connection with the first guide frame 72, and the extension frame 62 is fixedly provided with a driving rack 621 arranged along the distribution direction thereof. The first guide frame 72 is provided with an electric gear 721 engaged with the driving rack 621. With the synchronous movement of the driving rack 621 and the extension frame 62, the extension feeding chuck 61 is switched in position above the extension feeding plate 6 and the first feeding plate 7.

[0052] Specifically, when the extension feeding plate 6 is separated from the first feeding plate 7 and the first tray 2 and the second tray 3 are loaded, the electric gear 721 operates to make the driving rack 621 and the extension frame 62 move synchronously, and the extension feeding chuck 61 moves to the position directly above the extension feeding plate 6, which is suitable for the position of the extension feeding plate 6. Then, the extension feeding chuck 61 and the first feeding chuck 71 can synchronously adsorb the cover plates to be processed in the extension feeding plate 6 and the first feeding plate 7, and move the cover plates to be processed into the first tray 2 and the second tray 3 with the movement of the first guide frame 72 and the first support frame 73, completing the loading operation of the first tray 2 and the second tray 3.

[0053] When the extension feeding plate 6 is connected to the first feeding plate 7 and only the first tray 2 is loaded, the electric gear 721 operates, the driving rack 621, the extension frame 62 and the extension feeding chuck 61 move to reset, and the first feeding chuck 71 can independently load the cover plates to be processed in the extension feeding plate 6 and the first feeding plate 7 after they are connected.

[0054] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that the technical solutions described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalent features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lithium battery module cover plate laser cutting machine, characterized in that: The utility model relates to a laser cutting device for cover plate, including mesa (1), first material tray (2) located on mesa (1) and second material tray (3) fixed to the back of first material tray (2), the center of mesa (1) is equipped with laser cutting unit (12) that can carry out laser cutting operation to cover plate, when first material tray (2), second material tray (3) reciprocatingly move, first material tray (2), second material tray (3) rotate and move to the laser cutting unit (12) below and accept laser cutting operation, The both sides of mesa (1) are equipped with first feeding plate (7) and second feeding plate (8) for carrying cover plate to be processed respectively, first feeding plate (7) and second feeding plate (8) are equipped with first feeding suction disc (71) and second feeding suction disc (81) respectively, when second material tray (3) carrying cover plate moves to the laser cutting unit (12) below and accepts laser cutting operation, first feeding suction disc (71) moves the cover plate in first feeding plate (7) to the inside of first material tray (2), when first material tray (2) carrying cover plate is located the laser cutting unit (12) below and accepts laser cutting operation, second feeding suction disc (81) moves the cover plate in second feeding plate (8) to the inside of second material tray (3).

2. The lithium battery module cover plate laser cutting machine according to claim 1, characterized in that: The mesa (1) is equipped with guide straight line module (11), the guide straight line module (11) is located the laser cutting unit (12) directly below, first material tray (2) and second material tray (3) are slidably installed with guide straight line module (11), along with the reciprocating movement of first material tray (2) and second material tray (3), first material tray (2) and second material tray (3) rotate and move to the laser cutting unit (12) below.

3. The lithium battery module cover plate laser cutting machine according to claim 2, characterized in that: The both sides of mesa (1) are equipped with extension platform one (4) and extension platform two (5) respectively, the extension platform one (4) is equipped with first straight line module (41), the first straight line module (41) is perpendicular with guide straight line module (11), and first straight line module (41) is installed with first support frame (73), the first support frame (73) is connected with first guide frame (72) through pneumatic assembly, the first guide frame (72) extends to the above of first feeding plate (7), the first feeding suction disc (71) is installed with first guide frame (72), along with the synchronous movement of first support frame (73) and first guide frame (72), the first feeding suction disc (71) after the adsorption of cover plate to be processed in the inside of first feeding plate (7) is moved to the above of first material tray (2).

4. The lithium battery module cover plate laser cutting machine of claim 3, wherein: The second linear module (51) is perpendicular to the guide linear module (11), and a second support frame (83) is installed on the second linear module (51), and a second guide frame (82) is connected to the second support frame (83) through a pneumatic assembly, the second guide frame (82) extends above the second feeding plate (8), and the second feeding suction disc (81) is installed on the second guide frame (82) and moves to above the second tray (3) after the second feeding plate (8) is adsorbed.

5. The lithium battery module cover plate laser cutting machine of claim 4, wherein: The front and rear of the table top (1) are provided with rotating rods (13), the rotating rods (13) are provided with linkage gears (14) which can rotate with the rotating rods (13), and the rotating rods (13) are provided with linkage arms (16) which can rotate synchronously with the rotating rods (13), and the linkage arms (16) are provided with material moving suction discs (17) at the ends away from the rotating rods (13); The first support frame (73) and the second support frame (83) are respectively provided with first linkage rack frames (74) and second linkage rack frames (84) which can move synchronously with the first support frame (73) and the second support frame (83), the two linkage gears (14) are respectively engaged with the first linkage rack frame (74) and the second linkage rack frame (84), and when the first linkage rack frame (74) and the second linkage rack frame (84) move towards the first tray (2) and the second tray (3) respectively, the two linkage gears (14) and the rotating rods (13) rotate synchronously, and the two linkage arms (16) and the material moving suction disc (17) rotate synchronously.

6. The lithium battery module cover plate laser cutting machine of claim 5, wherein: The rotating rods (13) are respectively provided with support arms (15) which are fixedly installed on the rotating rods (13), the support arms (15) are located below the linkage arms (16), and the support arms (15) are connected with the linkage arms (16) through pneumatic assemblies.

7. The lithium battery module cover plate laser cutting machine of claim 6, wherein: The extension table one (4) and the extension table two (5) are respectively provided with first storage trays (9) and second storage trays (10) at the ends away from the table top (1), and the cover plates cut and processed in the first tray (2) and the second tray (3) are moved to above the first storage tray (9) and the second storage tray (10) by the material moving suction disc (17) after being adsorbed by the material moving suction disc (17) and rotating with the material moving suction disc (17).

8. The lithium battery module cover plate laser cutting machine of claim 7, wherein: The first feeding plate (7) is provided with a movable extension feeding plate (6) on the side facing the second tray (3), and the extension table one (4) is provided with an extension linear module (42) installed on the extension feeding plate (6); The first feeding plate (7) and the extension feeding plate (6) are provided with comb-shaped structures on the opposite sides, and when the extension feeding plate (6) is connected with the first feeding plate (7), the comb-shaped structures on the opposite sides of the first feeding plate (7) and the extension feeding plate (6) are spliced.

9. The lithium battery module cover plate laser cutting machine of claim 8, wherein: The extension feeding plate (6) is provided with an extension feeding chuck (61) above, the extension feeding chuck (61) is fixedly connected with an extension frame (62), the extension frame (62) is slidably connected with the first guide frame (72), and the extension frame (62) is fixedly provided with a driving rack (621) arranged along the distribution direction thereof, the first guide frame (71) is provided with a motor gear (721) engaged with the driving rack (621), and the extension feeding chuck (61) is switched from the position above the extension feeding plate (6) and the first feeding plate (7) along with the synchronous movement of the driving rack (621) and the extension frame (62).

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