Battery cell production multi-station integrated equipment

Abstract

The utility model relates to the technical field of battery cell production, in particular to battery cell production multi-station integrated equipment which comprises a conveying belt arranged on a workbench and used for conveying battery cells, and an OCV testing mechanism, a plasma cleaning mechanism and a gluing mechanism are sequentially arranged behind the conveying belt from right to left. The OCV testing mechanism comprises a first base, a first mounting plate is arranged on the first base, a three-axis cylinder is fixed on the first mounting plate, two first mounting blocks are fixed on a push block of the three-axis cylinder, and probes are fixed on the first mounting blocks; the plasma cleaning mechanism comprises a second base, and a plasma cleaning head driven by a first moving assembly is arranged on the second base; the gluing mechanism comprises a third base, and a gluing spray gun driven by a second moving assembly is arranged on the third base. According to the utility model, OCV testing, cleaning and gluing can be carried out on the battery cell, the station waiting time is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery core production, in particular to multi-station integrated equipment for battery core production. Background Art

[0002] The battery module is composed of many battery cells combined together, plus a protective circuit and a protective shell. The production process from a simple battery cell to a battery pack is quite complicated, including a plasma cleaning station for cleaning the surface of each battery cell and a gluing station for gluing the surface of the battery cell. The gluing of the battery cell surface before assembly not only serves the purpose of mutual connection and fixing, but also may serve the purpose of insulation and heat dissipation.

[0003] In the current battery module production, the battery cells are mostly first tested for OCV at the previous station, and then transferred to the next station for cleaning. After cleaning, the battery cells are transferred to the next station for gluing. Three stations are required, which takes up a large area of ​​space and requires a long waiting time at the three stations, reducing production efficiency. Moreover, the battery cells that have just been cleaned cannot be glued in time, which affects the gluing quality. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a multi-station integrated equipment for producing battery cells, which can perform OCV testing, cleaning and gluing on battery cells, reduce waiting time at workstations, and improve production efficiency.

[0005] The utility model is implemented by the following technical scheme: a multi-station integrated equipment for producing battery cells, comprising a conveyor belt arranged on a workbench and used to convey the battery cells, and an OCV testing mechanism, a plasma cleaning mechanism, and a gluing mechanism are arranged in sequence from right to left behind the conveyor belt;

[0006] The OCV testing mechanism comprises a first base, a first mounting plate is arranged on the first base, a three-axis cylinder is fixed on the first mounting plate, two first mounting blocks are fixed on the push block of the three-axis cylinder, and a probe is fixed on the first mounting block;

[0007] The plasma cleaning mechanism comprises a second base, on which a plasma cleaning head driven by a first moving assembly is disposed;

[0008] The glue coating mechanism comprises a third base, on which a glue coating spray gun driven by a second moving assembly is arranged.

[0009] Preferably, a plurality of groups of limiting assemblies are provided on the conveyor belt, and the limiting assemblies include four limiting blocks fixed on the conveyor belt, the top of each limiting block has a placement groove for placing the battery cell, and the limiting block has a first inclined surface located above the placement groove.

[0010] Preferably, the first moving component includes a first X-axis linear module fixed on a first base, a first Y-axis linear module is fixed on a slide of the first X-axis linear module, a first Z-axis linear module is fixed on a slide of the first Y-axis linear module; a first fixed frame is fixed on the slide of the first Z-axis linear module, and a plasma cleaning head is fixed on the first fixed frame.

[0011] Preferably, the second moving assembly includes a second X-axis linear module fixed on the second base, a second Y-axis linear module is fixed on the slide of the second X-axis linear module, and a second Z-axis linear module is fixed on the slide of the second Y-axis linear module; a second fixed frame is fixed on the slide of the second Z-axis linear module, the bottom of the second fixed frame is connected to a first fixed plate, and a glue spray gun is fixed on the bottom of the first fixed plate.

[0012] Preferably, a guide rod is fixed on the top of the first fixing plate, the upper end of the guide rod penetrates the second fixing frame, and a spring is sleeved on the guide rod.

[0013] Preferably, the first mounting plate is driven by a third X-axis linear module.

[0014] Preferably, the OCV testing mechanism further comprises a testing instrument, which is electrically connected to the probe; the testing instrument is fixed on a placement platform, and support columns are fixed at four corners of the bottom of the placement platform; and the first base is located between the four support columns.

[0015] Preferably, in each set of limit assemblies, one of the limit blocks close to the OCV testing mechanism has an RFID tag on one side surface of the limit block close to the testing assembly, and an RFID radio device matching the RFID tag is fixed on the push block of the three-axis cylinder via a third fixing frame.

[0016] Preferably, a scanning gun is fixed to the right end of the conveyor belt via a first mounting frame.

[0017] Preferably, a four-axis robot and a loading and storage mechanism are sequentially arranged on the right side of the OCV testing mechanism, the loading and storage mechanism comprises a placement table, a plurality of positioning components are arranged on the placement table, the positioning components comprise three positioning blocks fixed on the placement table, the top of the positioning blocks has a storage slot for storing the battery cells; wherein two positioning blocks have a second inclined surface located above the storage slot;

[0018] The bottom of the placement table is located below each group of positioning components and is fixed with a diffuse reflection sensor via a second mounting frame. The bottom of the placement table is provided with a channel for the laser of the diffuse reflection sensor to pass through;

[0019] A six-axis robot and a material unloading and storage mechanism having the same structure as the material loading and storage mechanism are arranged in sequence on the left side of the gluing mechanism.

[0020] Beneficial effects of the utility model:

[0021] (1) The utility model provides an embodiment, in which a conveyor belt conveys the battery cell to an OCV testing mechanism station to perform an OCV test on the battery cell, and then conveys the battery cell to a plasma cleaning mechanism to clean the battery cell. After cleaning, the battery cell is conveyed to a gluing mechanism via a conveyor belt for gluing.

[0022] (2) In one embodiment of the utility model, when the battery cell is placed on the limit blocks, the four limit blocks are located at the four corners of the battery cell, so that the battery cell can be better limited; when the battery cell is placed in the placement groove, the inclined surface can play a guiding role, making it easier to slide the battery cell into the placement groove.

[0023] (3) In one embodiment of the utility model, the spring can play a buffering role when the glue spray gun contacts the battery cell to avoid damage to the battery cell; the guide rod can play a guiding role when the spring is squeezed.

[0024] (4) In one embodiment of the present invention, the information of the battery cell can be uploaded to the local storage by scanning the QR code with a scanner.

[0025] The utility model can perform OCV testing, cleaning and gluing on the battery core, reduce the waiting time of the workstation and improve the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the utility model.

[0027] Figure 2 It is a structural diagram of the OCV testing organization.

[0028] Figure 3 It is a structural diagram of a plasma cleaning mechanism.

[0029] Figure 4 It is a structural schematic diagram of the glue coating mechanism.

[0030] Figure 5 It is a structural schematic diagram of a U-shaped block.

[0031] Figure 6 It is a structural diagram of the limit assembly.

[0032] Figure 7 It is a structural diagram of the test instrument.

[0033] Figure 8 It is a schematic diagram of the structure of a scanning gun.

[0034] Fig. 9 It is a structural diagram of the positioning component.

[0035] Fig.10 It is a structural diagram of a diffuse reflection sensor. DETAILED DESCRIPTION

[0036] The utility model is further described below in conjunction with the accompanying drawings.

[0037] like Figures 1 to 4 The utility model provides an embodiment: a multi-station integrated equipment for producing battery cells, comprising a conveyor belt 5 arranged on a workbench 1 and used to convey battery cells 100, and an OCV testing mechanism 3, a plasma cleaning mechanism 4, and a gluing mechanism 2 for testing the battery cells 100 are arranged in sequence from right to left behind the conveyor belt 5; the conveyor belt 5 conveys the battery cells 100 to the OCV testing mechanism 3 station for performing an OCV test on the battery cells 100, and then conveys them to the plasma cleaning mechanism 4 for cleaning the battery cells 100, and after cleaning, they are conveyed to the gluing mechanism 2 through the conveyor belt 5 for gluing.

[0038] The OCV test mechanism 3 includes a first base 31, on which a first mounting plate 32 is provided, on which a three-axis cylinder 33 is fixed, and the model of the three-axis cylinder 33 may be tcl20x80s, but is not limited thereto, and the three-axis cylinder 33 can drive a probe 35 to move forward to the battery cell 100 for testing; two first mounting blocks 34 are fixed on the push block of the three-axis cylinder 33, and a probe 35 is fixed on the first mounting block 34;

[0039] The plasma cleaning mechanism 4 includes a second base 41, on which a plasma cleaning head 42 driven by a first moving component is disposed. The first moving component can drive the plasma cleaning head 42 to move forward to the battery cell 100 for cleaning.

[0040] The glue coating mechanism 2 includes a third base 21 , on which a glue coating spray gun 28 driven by a second moving assembly is disposed. The glue coating spray gun 28 can be driven by the second moving assembly to move forward to the battery cell 100 for glue coating.

[0041] The first moving assembly includes a first X-axis linear module 43 fixed on the first base 31, a first Y-axis linear module 44 is fixed on the slide of the first X-axis linear module 43, and a first Z-axis linear module 45 is fixed on the slide of the first Y-axis linear module 44; the first X-axis linear module 43 can drive the plasma cleaning head 42 to move left and right, the first Y-axis linear module 44 can drive the plasma cleaning head 42 to move forward and backward, and the first Z-axis linear module 45 can drive the plasma cleaning head 42 to move up and down, so as to facilitate the subsequent cleaning of the battery cell 100. A first fixed frame 46 is fixed on the slide of the first Z-axis linear module 45, and the plasma cleaning head 42 is fixed on the first fixed frame 46.

[0042] The second moving assembly includes a second X-axis linear module 22 fixed on the second base 41, a second Y-axis linear module 23 is fixed on the slide of the second X-axis linear module 22, and a second Z-axis linear module 24 is fixed on the slide of the second Y-axis linear module 23; the second X-axis linear module 22 can drive the glue spray gun 28 to move left and right, the second Y-axis linear module 23 can drive the glue spray gun 28 to move forward and backward, and the second Z-axis linear module 24 can drive the glue spray gun 28 to move up and down, so as to facilitate subsequent glue application. A second fixed frame 25 is fixed on the slide of the second Z-axis linear module 24, the bottom of the second fixed frame 25 is connected to the first fixed plate 26, and the bottom of the first fixed plate 26 is fixed to the glue spray gun 28.

[0043] In this embodiment, when the conveyor belt 5 drives the battery cell 100 to move in front of the probe 35, the conveyor belt 5 pauses, and the three-axis cylinder 33 drives the first mounting block 34 to move forward, thereby driving the probe 35 to move forward to the battery cell 100 for testing. After the test is completed, the conveyor belt 5 starts and pauses when the next battery cell 100 moves in front of the probe 35, and so on.

[0044] When the conveyor belt 5 drives the battery cell 100 to move under the plasma cleaning head 42, the conveyor belt 5 pauses, and drives the plasma cleaning head 42 to move downward to the battery cell 100 for cleaning through the first Z-axis linear module 45. After the cleaning is completed, the conveyor belt 5 starts and pauses when the next battery cell 100 moves under the plasma cleaning head 42, and so on.

[0045] When the conveyor belt 5 drives the battery cell 100 to move to the glue coating mechanism 2, the conveyor belt 5 pauses, and drives the glue coating spray gun 28 to move downward to the battery cell 100 through the second Z-axis linear module 24 to coat the glue. After the gluing is completed, the conveyor belt 5 starts and pauses when the next battery cell 100 moves to the glue coating mechanism 2, and so on.

[0046] like Figure 6In one embodiment of the utility model, the conveyor belt 5 is provided with a plurality of groups of limiting components, and the battery cell 100 can be limited by the limiting components; the limiting components include four limiting blocks 6 fixed on the conveyor belt 5, and when the battery cell 100 is placed on the limiting blocks 6, the four limiting blocks 6 are located at the four corners of the battery cell 100, so that the battery cell 100 can be better limited; the top of the limiting block 6 is provided with a placement groove 61 for placing the battery cell 100, and the limiting block 6 is provided with a first inclined surface 62 above the placement groove 61, and when the battery cell 100 is placed in the placement groove 61, the first inclined surface 62 can play a guiding role, so that the battery cell 100 can be easily slid into the placement groove 61.

[0047] In an embodiment of the present invention, the bottom of the placement groove 61 is made of rubber material, so as to buffer the battery cell 100 and avoid damage to the battery cell 100.

[0048] like Figure 5 In one embodiment of the utility model, a U-shaped block 27 is fixed to the bottom of the first fixing plate 26, and a glue spray gun 28 is fixed to the U-shaped block 27 via bolts 29, and the glue spray gun 28 can be easily disassembled and replaced by the bolts 29. The first fixing plate 26 and the U-shaped block 27 are both provided with through holes for the glue spray gun 28 to pass through. The glue spray gun 28 is passed through the through holes, and then the glue spray gun 28 is pressed against by two bolts 29, so that the glue spray gun 28 is fixed.

[0049] In one embodiment of the utility model, a guide rod 210 is fixed to the top of the first fixing plate 26, and the upper end of the guide rod 210 penetrates the second fixing frame 25. A spring 211 is sleeved on the guide rod 210. The spring 211 can play a buffering role when the glue spray gun 28 contacts the battery cell 100 to avoid damage to the battery cell 100; the guide rod 210 can play a guiding role when the spring 211 is squeezed; the upper end of the spring 211 is fixed to the second fixing frame 25, and the lower end is fixed to the first fixing plate 26.

[0050] In one embodiment of the present invention, the first mounting plate 32 is driven by the third X-axis linear module 36. The third X-axis linear module 36 can drive the first mounting plate 32 to move, thereby driving the three-axis cylinder 33 to move, and further driving the probe 35 to move.

[0051] In this embodiment, a battery cell 100 is placed every two sets of limit assemblies. When the conveyor belt 5 drives the battery cell 100 to move in front of the probe 35, the three-axis cylinder 33 drives the probe 35 to move forward, so that when the battery cell 100 moves in front of the probe 35, the probe 35 can just touch the battery cell 100. The conveyor belt 5 does not stop and continues to drive the battery cell 100 to move. At the same time, the third X-axis linear module 36 drives the three-axis cylinder 33 to move, so that the battery cell 100 is tested during the movement; after the test is completed, the three-axis cylinder 33 retracts, and the third X-axis linear module 36 drives the three-axis cylinder 33 to return, and continues to test the next battery cell 100.

[0052] When the conveyor belt 5 drives the battery cell 100 to move under the ultrasonic cleaning head, the first Z-axis linear module 45 drives the ultrasonic cleaning head to move downward, so that when the battery cell 100 moves under the ultrasonic cleaning head, the ultrasonic cleaning head can just clean the battery cell 100, the conveyor belt 5 does not stop, and continues to drive the battery cell 100 to move, and at the same time, the first X-axis linear module 43 drives the ultrasonic cleaning head to move, so that the battery cell 100 is cleaned during the movement; after cleaning, the first Z-axis linear module 45 drives the ultrasonic cleaning head to move upward, and the first X-axis linear module 43 drives the ultrasonic cleaning head back to continue to apply glue to the next battery cell 100.

[0053] When the conveyor belt 5 drives the battery cell 100 to move to the glue coating assembly, the second Z-axis linear module 24 drives the glue coating spray gun 28 to move downward, so that when the battery cell 100 moves below the glue coating spray gun 28, the glue coating spray gun 28 can just touch the battery cell 100, and the conveyor belt 5 does not stop, and continues to drive the battery cell 100 to move. At the same time, the second X-axis linear module 22 drives the glue coating spray gun 28 to move, so that the battery cell 100 is glued during the movement; after the gluing is completed, the second Z-axis linear module 24 drives the glue coating spray gun 28 to move upward, and the second X-axis linear module 22 drives the glue coating spray gun 28 to return, and continues to glue the next battery cell 100.

[0054] In order to improve the accuracy, a first opposing sensor cooperating with the OCV testing mechanism 3 , a second opposing sensor cooperating with the plasma cleaning mechanism 4 , and a third opposing sensor cooperating with the gluing mechanism 2 may be arranged on the conveyor belt 5 .

[0055] When the first beam sensor senses the battery cell 100 , the three-axis cylinder 33 drives the probe 35 to move forward, so that when the battery cell 100 moves in front of the probe 35 , the probe 35 can just touch the battery cell 100 .

[0056] When the second beam sensor senses the battery cell 100 , the first Z-axis linear module 45 drives the ultrasonic cleaning head to move downward, so that when the battery cell 100 moves below the ultrasonic cleaning head, the ultrasonic cleaning head can just clean the battery cell 100 .

[0057] When the third beam sensor senses the battery cell 100 , the second Z-axis linear module 24 drives the glue spray gun 28 to move downward, so that when the battery cell 100 moves below the glue spray gun 28 , the glue spray gun 28 can just touch the battery cell 100 .

[0058] like Figure 7 In one embodiment of the utility model, the OCV testing mechanism 3 also includes a testing instrument 38. The model of the testing instrument 38 may be BT4560, but is not limited thereto. The testing instrument 38 is electrically connected to the probe 35 so that the test data can be displayed on the testing instrument 38. The testing instrument 38 is fixed on a placement platform 39. The four bottom corners of the placement platform 39 are fixed with support columns 310. The first base 31 is located between the four support columns 310.

[0059] like Figure 8 In one embodiment of the utility model, a scanner 8 is fixed to the right end of the conveyor belt 5 via a first mounting frame 7. The model of the scanner 8 may be sr-652, but is not limited thereto. The battery cell 100 has a QR code. By scanning the QR code with the scanner 8, the information of the battery cell 100 can be uploaded to local storage.

[0060] like Figure 2 In one embodiment of the utility model, in each group of limiter assemblies, one of the limiter blocks 6 close to the OCV test mechanism 3 has an RFID tag 63 on one side of the limiter block 6 close to the test assembly, and an RFID radio frequency device 37 matching the RFID tag 63 is fixed on the push block of the three-axis cylinder 33 via a third fixing frame. The three-axis cylinder 33 drives the probe 35 to move forward to test the battery cell 100. At this time, the RFID radio frequency device 37 writes the battery cell 100 information uploaded by the scanner 8 to the local storage into the RFID tag 63, which is convenient for subsequent confirmation of the battery cell 100.

[0061] like Fig. 9 , Fig.10In one embodiment of the utility model, a four-axis robot 10 and a loading and storage mechanism 9 are sequentially arranged on the right side of the OCV testing mechanism 3. The loading and storage mechanism 9 is used to store the battery cell 100. The four-axis robot 10 can grab the battery cell 100 from the loading and storage mechanism 9 to the limiting component, which is convenient for loading the battery cell 100. The loading and storage mechanism 9 includes a placement table 91, and a plurality of positioning components are arranged on the placement table 91 to position the battery cell 100. The positioning components include three positioning blocks 92 fixed on the placement table 91, and the top of the positioning block 92 has a storage slot 93 for storing the battery cell 100; when the battery cell 100 is placed on the positioning block 92, two of the positioning blocks 92 are located at the two corners on the same side of the battery cell 100, and the other positioning block 92 is located in the middle of the other side of the battery cell 100, so that the battery cell 100 can be better positioned.

[0062] The two positioning blocks 92 have a second inclined surface 94 above the storage slot 93 . When the battery cell 100 is placed in the storage slot 93 , the second inclined surface 94 can play a guiding role, making it easier for the battery cell 100 to slide into the storage slot 93 .

[0063] The bottom of the placement table 91 is located below each group of positioning components and is fixed with a diffuse reflection sensor 96 through a second mounting frame 95, which is used to sense whether the battery cell 100 is on the placement table 91. The model of the diffuse reflection sensor 96 can be GTB6, but is not limited thereto. The bottom of the placement table 91 is provided with a channel 97 for the laser of the diffuse reflection sensor 96 to pass through.

[0064] A six-axis robot 11 and a material unloading and storage mechanism 12 having the same structure as the material loading and storage mechanism 9 are arranged in sequence on the left side of the gluing mechanism 2. The material unloading and storage mechanism 12 is used to store the battery cells 100. The six-axis robot 11 can grab the battery cells 100 from the limiting assembly to the material unloading and storage mechanism 12 to facilitate the unloading of the battery cells 100.

[0065] In an embodiment of the present invention, the bottom of the storage slot 93 is made of rubber material, so as to buffer the battery cell 100 and avoid damage to the battery cell 100 .

[0066] The above description is only a preferred embodiment of the present utility model and cannot be understood as a limitation of the present application. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall fall within the scope of the present utility model.

Claims

1. A multi-station integrated equipment for producing battery cells, comprising a conveyor belt arranged on a workbench and used to transport battery cells, characterized in that: Behind the conveyor belt, from right to left, there are an OCV testing mechanism, a plasma cleaning mechanism, and a gluing mechanism; The OCV testing mechanism comprises a first base, a first mounting plate is arranged on the first base, a three-axis cylinder is fixed on the first mounting plate, two first mounting blocks are fixed on the push block of the three-axis cylinder, and a probe is fixed on the first mounting block; The plasma cleaning mechanism comprises a second base, on which a plasma cleaning head driven by a first moving assembly is disposed; The glue coating mechanism comprises a third base, on which a glue coating spray gun driven by a second moving assembly is arranged.

2. The multi-station integrated equipment for producing battery cells according to claim 1, characterized in that: The conveyor belt is provided with a plurality of groups of limit assemblies, and the limit assemblies include four limit blocks fixed on the conveyor belt, the top of each limit block is provided with a placement groove for placing the battery cell, and the limit block is provided with a first inclined surface above the placement groove.

3. The multi-station integrated equipment for producing battery cells according to claim 1, characterized in that: The first moving component includes a first X-axis linear module fixed on a first base, a first Y-axis linear module is fixed on a slide of the first X-axis linear module, a first Z-axis linear module is fixed on a slide of the first Y-axis linear module; a first fixed frame is fixed on the slide of the first Z-axis linear module, and a plasma cleaning head is fixed on the first fixed frame.

4. The multi-station integrated equipment for producing battery cells according to claim 1, characterized in that: The second moving assembly includes a second X-axis linear module fixed on a second base, a second Y-axis linear module is fixed on the slide of the second X-axis linear module, and a second Z-axis linear module is fixed on the slide of the second Y-axis linear module; a second fixed frame is fixed on the slide of the second Z-axis linear module, the bottom of the second fixed frame is connected to a first fixed plate, and a glue spray gun is fixed on the bottom of the first fixed plate.

5. The multi-station integrated equipment for producing battery cells according to claim 4, characterized in that: A guide rod is fixed on the top of the first fixing plate, the upper end of the guide rod penetrates the second fixing frame, and a spring is sleeved on the guide rod.

6. The multi-station integrated equipment for producing battery cells according to claim 1, characterized in that: The first mounting plate is driven by a third X-axis linear module.

7. The multi-station integrated equipment for producing battery cells according to claim 1, characterized in that: The OCV testing mechanism also includes a testing instrument, which is electrically connected to the probe; the testing instrument is fixed on a placement platform, and support columns are fixed at four corners of the bottom of the placement platform; the first base is located between the four support columns.

8. The multi-station integrated equipment for producing battery cells according to claim 2, characterized in that: In each set of limit assemblies, one of the limit blocks close to the OCV test mechanism has an RFID tag on one side of the limit block close to the test assembly, and an RFID radio frequency device matching the RFID tag is fixed on the push block of the three-axis cylinder via a third fixing frame.

9. The multi-station integrated equipment for producing battery cells according to claim 1, characterized in that: A scanning gun is fixed on the right end of the conveyor belt via a first mounting frame.

10. The multi-station integrated equipment for producing battery cells according to claim 1, characterized in that: A four-axis robot and a loading and storage mechanism are arranged in sequence on the right side of the OCV testing mechanism. The loading and storage mechanism includes a placement table. A plurality of positioning components are arranged on the placement table. The positioning components include three positioning blocks fixed on the placement table. The top of the positioning blocks has a storage slot for storing the battery cells. Two of the positioning blocks have a second inclined surface located above the storage slot. The bottom of the placement table is located below each group of positioning components and is fixed with a diffuse reflection sensor via a second mounting frame. The bottom of the placement table is provided with a channel for the laser of the diffuse reflection sensor to pass through; A six-axis robot and a material unloading and storage mechanism having the same structure as the material loading and storage mechanism are arranged in sequence on the left side of the gluing mechanism.

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