Pole piece punching detection device

Abstract

The utility model discloses a pole piece punching detection device which comprises an off-line punching platform, a pole piece moving module, a linear moving module, a suction cup punching knife assembly, a wafer moving assembly, a parallel transferring mechanism, a balance weighing assembly and a waste collecting assembly. The suction cup stamping knife assembly is arranged above the pole piece moving module, the linear moving module is vertically arranged on one side of the pole piece moving module and used for driving the suction cup stamping knife assembly to move, and the wafer moving assembly is arranged at the tail end of the pole piece moving module and used for driving the suction cup stamping knife assembly to move. The two parallel transferring mechanisms are arranged on the two sides of the balance weighing assembly, and the waste collecting assembly is arranged at the rear end of the balance weighing assembly. The pole piece punching detection device solves the problems that in the prior art, pure manual operation is adopted, labor intensity is large, consumed time is long, and production efficiency and production benefits are affected, and the automation level is effectively improved.

Description

Technical Field

[0001] The utility model relates to the field of pole piece processing detection, in particular to a pole piece punching detection device. Background Art

[0002] The current evaluation method for the surface density consistency of lithium-ion battery pole pieces includes the following steps: cutting two pole pieces from the same pole piece, punching one pole piece in groups horizontally to obtain multiple groups of horizontal discs, and punching the other pole piece in groups vertically to obtain multiple groups of vertical discs, placing them on a scale for weighing, and calculating the surface density of each horizontal disc and vertical disc respectively. The weight on a certain area of ​​discs needs to meet the coating production process requirements, and the surface density error also needs to be within a certain numerical range, so as to evaluate the consistency of the surface density of lithium-ion battery pole pieces and determine whether the first piece inspection meets the coating production process requirements. The multiple punching and cutting of discs in the above process, placing them on a scale for weighing, recording and calculating are performed manually by operators, which is labor-intensive, time-consuming, and prone to human error.

[0003] Therefore, it is necessary to provide a pole piece punching detection device to solve the above problems. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a pole piece punching and cutting detection device, which solves the technical defects of the prior art such as pure manual operation, high labor intensity, long time consumption, and impact on production efficiency and production benefits, improves the level of automation, and effectively improves production efficiency.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A pole piece punching detection device comprises an offline punching platform, a pole piece moving module, a linear moving module, a suction cup punching knife assembly, a round piece moving assembly, a parallel transfer mechanism, a balance weighing assembly and a waste collection assembly, wherein the pole piece moving module is horizontally fixed on the offline punching platform, the suction cup punching knife assembly is arranged above the pole piece moving module, the linear moving module is vertically arranged on one side of the pole piece moving module, and the linear moving module is used to drive the suction cup punching knife assembly to move, the round piece moving assembly is arranged at the end of the pole piece moving module, two groups of parallel transfer mechanisms are arranged on both sides of the balance weighing assembly, and the parallel transfer mechanism is used to transfer the pole piece after punching, and the waste collection assembly is arranged at the rear end of the balance weighing assembly.

[0007] As a further improvement of the above technical solution, the pole piece moving module includes a pole piece support plate, a driving mechanism and a plurality of linear guide rails. The plurality of linear guide rails are fixed at intervals on the offline punching platform, and a slider is provided at the bottom of the pole piece support plate. The pole piece support plate is slidably connected to the linear guide rail through the slider. The driving mechanism is provided on one side of the linear guide rail, and the driving mechanism is used to drive the pole piece support plate to move along the linear guide rail.

[0008] As a further improvement of the above technical solution, the suction cup punching knife assembly includes a cylinder fixing seat, two lifting cylinders, a punching cylinder, a mounting seat, a cutting die, a suction cup and a suction cup lifting assembly, the two lifting cylinders are fixed on both sides of the cylinder fixing seat, the protruding ends of the two lifting cylinders are fixedly connected to the cylinder bottom plate, the punching cylinder is fixed on the cylinder bottom plate, the protruding end of the punching cylinder is provided with a connecting seat and a slide rail assembly, the connecting seat is slidably connected to the inside of the cylinder fixing seat through the slide rail assembly, and the mounting seat is fixedly connected to the connecting seat, the cutting die is fixedly connected to the lower end of the mounting seat, the suction cup is connected to the mounting seat through the suction cup lifting assembly, and the suction cup and the cutting die are coaxially arranged.

[0009] As a further improvement of the above technical solution, the suction cup lifting assembly includes a linear bearing, a guide rod, a pipe joint and a spring. A mounting groove is provided in the middle of the mounting seat, the linear bearing is fixed in the mounting groove, a central through hole is provided in the middle of the mounting groove, the guide rod is provided in the central through hole, the spring is sleeved on the guide rod, and the spring is provided below the linear bearing, the suction cup is fixedly connected to the lower end of the guide rod, the pipe joint is fixedly connected to the upper end of the guide rod, the cutting die is fixed to the bottom end of the mounting seat, and a positioning hole is provided in the middle of the cutting die, and the suction cup is provided in the positioning hole.

[0010] As a further improvement of the above technical solution, the suction cup punch assembly also includes a pressure sensor and a pole piece detection sensor. The pressure sensor is fixedly connected below the punching cylinder, and the pole piece detection sensor is fixed on the side wall of the cylinder fixing seat.

[0011] As a further improvement of the above technical solution, the wafer moving assembly includes a base, a rodless cylinder, a sliding block and a tray. The two ends of the rodless cylinder are fixed to the offline punching platform through the base, and the tray is slidably connected to the rodless cylinder through the sliding block.

[0012] As a further improvement of the above technical solution, the parallel transfer mechanism includes a drive motor, a fixed seat, a swing arm, a synchronous transmission assembly, a transfer suction cup, a tensioning wheel base and a tensioning pulley, the drive motor is fixed to the upper part of the fixed seat, the swing arm is arranged parallel to the synchronous transmission assembly, and one end of the swing arm and the synchronous transmission assembly are both connected to the drive motor, the transfer suction cup is connected to the other end of the swing arm, and the drive motor is used to drive the swing arm to rotate 180°, one end of the tensioning wheel base is fixed to the middle part of the swing arm, the tensioning pulley is connected to the other end of the tensioning wheel base, and the tensioning pulley is used to tension the synchronous transmission assembly.

[0013] As a further improvement of the above technical solution, the synchronous transmission assembly includes a synchronous wheel one, a synchronous wheel two, a synchronous belt, an active rotating shaft and a passive rotating shaft. The synchronous wheel one and the synchronous wheel two are connected to the two ends of the swing arm through the active rotating shaft and the passive rotating shaft. The active rotating shaft is connected to a coupling, and the coupling is connected to a drive motor. The synchronous belt connects the synchronous wheel one and the synchronous wheel two, and the tensioning pulley tensions the synchronous belt.

[0014] As a further improvement of the above technical solution, the balance weighing assembly includes an electronic weighing scale and a stabilizing bracket. The stabilizing bracket is arranged on one side of the offline punching platform, and the height of the stabilizing bracket is consistent with that of the offline punching platform. The electronic weighing scale is fixed at the upper end of the stabilizing bracket.

[0015] As a further improvement of the above technical solution, the offline punching platform includes a platform frame, an electrical cabinet body, a display screen, an alarm light and a plurality of lifting foot cups, the plurality of lifting foot cups are connected to the bottom end of the platform frame, the electrical cabinet body is fixed on the platform frame, the display screen and the alarm light are fixed above the platform frame, and the display screen is electrically connected to the electrical cabinet body, the alarm light is electrically connected to the display screen, and the electronic weighing scale is electrically connected to the display screen.

[0016] The beneficial effects of the utility model are:

[0017] The utility model installs a pole piece moving module on the offline punching and cutting detection platform to realize automatic movement of the pole piece, and also installs a linear moving module, a suction cup punching knife assembly and a parallel transfer mechanism, so as to perform circular punching on the pole piece, and at the same time, the circular pole piece after punching can be automatically moved, and is weighed by a balance weighing assembly at the rear end of the offline punching and cutting platform to complete the collection and analysis of the weighing data of the circular pole piece, thereby solving the technical defects of the prior art such as pure manual operation, high labor intensity, long time consumption, and influence on production efficiency and production benefits, and effectively improving the automation level, making data collection and analysis more scientific and intelligent, and can also realize automatic uploading of the measurement data of the display screen to the host computer, and compare and check with the coating machine, so that the pole piece detection is more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 This is a schematic diagram of a pole piece punching and cutting detection device of the utility model from one perspective;

[0020] Figure 2 This is a schematic diagram of another viewing angle of the pole piece punching detection device of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the pole piece moving module of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the suction cup punching knife assembly of the utility model;

[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the suction cup punch assembly of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the disc moving assembly of the utility model;

[0025] Figure 7 It is a structural schematic diagram of the parallel transfer mechanism of the utility model;

[0026] Figure 8 It is a schematic diagram of the top view of the parallel transfer mechanism of the utility model;

[0027] Fig. 9 It is a structural schematic diagram of the off-line punching and cutting platform of the utility model.

[0028] Figure numerals: 1, offline punching platform; 11, platform frame; 12, electric cabinet; 13, display screen; 14, warning light; 15, lifting foot cup; 2, pole piece moving module; 21, pole piece support plate; 22, driving mechanism; 221, motor; 222, motor fixing seat; 223, coupling; 224, lead screw; 225, bearing fixing seat; 226, bearing support seat; 227, lead screw nut; 23, linear guide; 231, stopper; 24, slider; 3, linear moving module; 4, suction cup punching assembly; 401, cylinder fixing seat; 402, lifting cylinder; 403, punching cylinder; 404, mounting seat; 405, knife die; 406, suction cup; 407, suction cup lifting assembly; 471, linear bearing; 472, guide rod; 473 , pipe joint; 474, spring; 408, cylinder base plate; 409, connecting seat; 410, slide rail assembly; 411, pressure sensor; 412, pole piece detection sensor; 5, disc moving assembly; 51, base; 52, rodless cylinder; 53, sliding block; 54, tray; 6, parallel transfer mechanism; 61, drive motor; 62, fixed seat; 63, swing arm; 64, synchronous transmission assembly; 641, synchronous wheel one; 642, synchronous wheel two; 643, synchronous belt; 644, active rotating shaft; 645, passive rotating shaft; 65, transfer suction cup; 66, tension wheel base; 67, tension pulley; 7, balance weighing assembly; 71, electronic weighing balance; 72, stable bracket; 8, waste collection assembly; 81, waste tray; 82, waste area bracket. DETAILED DESCRIPTION

[0029] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the utility model, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the fact that according to the specific implementation situation, a better connection structure can be formed by adding or reducing connection accessories. For example, fixed connection / fixed installation can be selected according to the needs of screw connection, bolt connection, pin connection, key connection, bonding, mortise and tenon connection, welding, riveting and other methods. For example, detachable connection can be selected according to the needs of screw connection, bolt connection, threaded connection, snap connection, mortise and tenon connection, Velcro connection and other methods. The various technical features in the creation of the utility model can be combined interactively without conflicting with each other.

[0030] Reference Figure 1 , Figure 2, a pole piece punching detection device, comprising an offline punching platform 1, a pole piece moving module 2, a linear moving module 3, a suction cup punching knife assembly 4, a round piece moving assembly 5, a parallel transfer mechanism 6, a balance weighing assembly 7 and a waste collection assembly, wherein the pole piece moving module 2 is horizontally fixed on the offline punching platform 1, and an operator places a section of pole piece on the pole piece moving module 2 so that the pole piece can be automatically moved; the linear moving module 3 is vertically arranged on one side of the pole piece moving module 2, and the suction cup punching knife assembly 4 It is arranged above the pole piece moving module 2, and the pole piece is moved to the bottom of the suction cup punching tool assembly 4 along the linear guide by the motor of the pole piece moving module 2. The suction cup punching tool assembly 4 punches the pole piece vertically downward to obtain the first circular pole piece, and the circular pole piece is adsorbed by the suction cup under the suction cup punching tool assembly 4 and lifted upward; and the linear moving module 3 is used to drive the suction cup punching tool assembly 4 to move, and the linear moving module 3 drives the suction cup punching tool assembly 4 to move horizontally to the right along the offline punching platform 1 to the circular piece at the end of the pole piece moving module 2 Above the moving component 5, the suction cup punching knife component 4 places the circular electrode piece on the tray of the upper wafer moving component 5, and the wafer moving component 5 moves from back to front with the circular electrode piece. In the utility model, there are two sets of parallel transfer mechanisms 6 arranged at the front and rear ends of the balance weighing component 7. The wafer moving component 5 moves the tray to the position of the suction cup of the first set of parallel transfer mechanisms 6. The suction cups of the first set of parallel transfer mechanisms 6 adsorb the circular electrode piece on the tray. By rotating 180 degrees, the suction cups remain parallel and place the circular electrode piece on the balance weighing component 7. The balance weighing component 7 starts weighing, obtains the first set of data and uploads it to the display screen 13 of the offline punching and cutting platform 1. After weighing, the waste collection component 8 is arranged at the rear end of the balance weighing component 7. The second set of parallel transfer mechanisms 6 on the right side of the balance weighing component 7 adsorbs and rotates the circular electrode piece to the tray on the waste collection component 8. Repeat the above operation to obtain multiple sets of wafer weight data in turn, so as to judge whether the first electrode piece meets the coating production process requirements. The degree of automation is high, and the production efficiency is effectively improved.

[0031] Reference Figure 3 In an embodiment of the utility model, the pole piece moving module 2 includes a pole piece support plate 21, a driving mechanism 22 and a plurality of linear guide rails 23, the plurality of linear guide rails 23 are fixed at intervals on the offline punching platform 1, and a slider 24 is provided at the bottom of the pole piece support plate 21, the pole piece support plate 21 is slidably connected to the linear guide rail 23 through the slider 24, the driving mechanism 22 is provided on one side of the linear guide rail 23, and the driving mechanism 22 is used to drive the pole piece support plate 21 to move along the linear guide rail 23, so that the pole piece placed on the pole piece support plate 21 can be moved to the bottom of the suction cup punching knife assembly 4, so as to facilitate circular punching of the pole piece.

[0032] Specifically, the driving mechanism 22 includes a motor 221, a motor fixing seat 222, a coupling 223, a screw 224, a bearing fixing seat 225, a bearing support seat 226 and a screw nut 227. The motor 221 is mounted and fixed on the motor fixing seat 222. The output shaft end of the motor 221 is connected to the coupling 223. The other end of the coupling 223 is connected to the screw 224. Both ends of the screw 224 pass through the bearing fixing seat 225 and the bearing support seat 226 for support and fixation, and the screw 224 can rotate. The screw 224 A screw nut 227 is installed within the effective stroke, and the right side of the screw nut 227 is connected to the pole piece support plate 21, so that the pole piece support plate 21 can move forward and backward together with the screw nut 227; the pole piece support plate 21 is placed above three linear guides 23, and blocks 231 are provided at the head and tail of the linear guides 23 to limit the movement of the pole piece support plate 21. A step groove is provided on the pole piece support plate 21 for positioning the pole piece, and a number of small holes are provided similar to vacuum suction cups, which are connected to a negative pressure air source to adsorb the pole piece on the pole piece support plate 21 without displacement.

[0033] Reference Figure 4 , Figure 5 In an embodiment of the utility model, the suction cup punching knife assembly 4 includes a cylinder fixing seat 401, two lifting cylinders 402, a punching cylinder 403, a mounting seat 404, a cutting die 405, a suction cup 406 and a suction cup lifting assembly 407, wherein the two lifting cylinders 402 are fixed on both sides of the cylinder fixing seat 401, and a cylinder bottom plate 408 is fixedly connected to the protruding ends of the two lifting cylinders 402 to provide a mounting and fixing position for the punching cylinder 403, and the punching cylinder 403 is fixed on the cylinder bottom plate 408, so that the lifting cylinder 402 can adjust the height of the punching cylinder 403, and then adjust the height of the cutting die 405 and the suction cup 406; the protruding end of the punching cylinder 403 is provided with a connecting seat 409 and a slide rail assembly 410, and the cylinder fixing seat 401 A square cylindrical structure is provided, wherein the connecting seat 409 is slidably connected to the inside of the cylinder fixing seat 401 through the slide rail assembly 410, and the mounting seat 404 is fixedly connected to the connecting seat 409, and the cutting die 405 is fixedly connected to the lower end of the mounting seat 404, so that the cutting die 405 can stably punch the pole piece downward along the slide rail assembly 410 through the punching cylinder 403, and the cutting die 405 has a sharp cutting edge and can cut out the required circular pole piece; the suction cup 406 is connected to the mounting seat 404 through the suction cup lifting assembly 407, and the suction cup 406 is coaxially arranged with the cutting die 405, and after the pole piece is punched, the suction cup 406 sucks the circular pole piece through the suction cup lifting assembly 407, and then the circular pole piece is moved to the rear end of the device for detection through the linear moving module 3.

[0034] During operation, the lifting cylinder 402 controls the cylinder bottom plate 408 to move vertically downward, allowing the knife die 405 and the suction cup 406 to approach the surface of the pole piece. The punching cylinder 403 extends, driving the knife die 405 to cut the circular piece and the suction cup 406 to contact the circular pole piece downward and adsorb it. The punching cylinder 403 retracts and the lifting cylinder 402 rises.

[0035] Specifically, the suction cup lifting assembly 407 includes a linear bearing 471, a guide rod 472, a pipe joint 473 and a spring 474. A mounting groove is provided in the middle of the mounting seat 404, the linear bearing 471 is fixed in the mounting groove, and a middle through hole is provided in the middle of the mounting groove. The guide rod 472 is provided in the middle through hole, the spring 474 is sleeved on the guide rod 472, and the spring 474 is provided below the linear bearing 471, so as to make the suction cup 406 contact downward. The circular pole piece has a buffering effect, the suction cup 406 is fixedly connected to the lower end of the guide rod 472, the pipe joint 473 is fixedly connected to the upper end of the guide rod 472, and the vacuum gas drives the guide rod 472 to slide up and down along the linear bearing 471, thereby driving the suction cup 406 to move up and down; the cutting die 405 is fixed to the bottom end of the mounting seat 404, and a positioning hole is provided in the middle of the cutting die 405, and the suction cup 406 is arranged in the positioning hole to ensure that the suction cup 406 is more stable when moving up and down.

[0036] Specifically, the suction cup punch assembly 4 also includes a pressure sensor 411 and a pole piece detection sensor 412. The pressure sensor 411 is fixedly connected to the bottom of the punching cylinder 403, and is used to detect the pressure of the cylinder extension to ensure that the knife die 405 can cut the pole piece at one time to avoid secondary cutting; the pole piece detection sensor 412 is fixed on the side wall of the cylinder fixing seat 401, and is used to detect whether the pole piece moves to the bottom of the suction cup punch assembly 4 and whether punching can be performed.

[0037] Reference Figure 6 In an embodiment of the utility model, the wafer moving assembly 5 includes a base 51, a rodless cylinder 52, a sliding block 53 and a tray 54. The two ends of the rodless cylinder 52 are fixed on the offline punching platform 1 through the base 51, and the tray 54 is slidably connected to the rodless cylinder 52 through the sliding block 53. After the tray 54 receives the circular pole piece moved by the suction cup punching knife assembly 4, it slides on the rodless cylinder 52 through the sliding block 53 to move the circular pole piece to the position of the parallel transfer mechanism 6 for the next step of transfer.

[0038] Reference Figure 7 , Figure 8In the embodiment of the utility model, the parallel transfer mechanism 6 includes a drive motor 61, a fixed seat 62, a swing arm 63, a synchronous transmission assembly 64, a transfer suction cup 65, a tension wheel base 66 and a tension pulley 67. The drive motor 61 is fixed to the upper part of the fixed seat 62, so that the parallel transfer mechanism 6 on one side of the balance weighing assembly 7 is fixedly connected to the offline punching platform 1 through the fixed seat 62, and the parallel transfer mechanism 6 on the other side of the balance weighing assembly 7 is fixedly connected to the bracket of the waste collection assembly 8 through the fixed seat 62; the swing arm 63 and The synchronous transmission assembly 64 is arranged in parallel, and one end of the swing arm 63 and the synchronous transmission assembly 64 are connected to the driving motor 61, the adapter suction cup 65 is connected to the other end of the swing arm 63, and the driving motor 61 drives the synchronous transmission assembly 64 to rotate, driving the swing arm 63 to rotate 180°, one end of the tensioning wheel base 66 is fixed to the middle part of the swing arm 63, and the tensioning pulley 67 is connected to the other end of the tensioning wheel base 66, and the tensioning pulley 67 is used to tension the synchronous transmission assembly to maintain a certain tensioning force.

[0039] Specifically, the synchronous transmission assembly 64 includes a synchronous wheel 1 641, a synchronous wheel 2 642, a synchronous belt 643, a driving shaft 644 and a passive shaft 645. The output shaft end of the driving motor 61 is connected to a coupling, and the other end of the coupling is connected to one end of the driving shaft 644. Support bearing seats are supported on both sides of the driving shaft 644, so that the driving shaft 644 is at the same height as the driving motor 61, which is convenient for installation and connection. A keyless expansion sleeve is installed at the other end of the driving shaft 644, and the swing arm 63 is installed on the step surface of the keyless expansion sleeve. The keyless expansion sleeve fixes the driving shaft 644 and the tail of the swing arm 63 together so that they rotate synchronously; the synchronous wheel 1 641 and the synchronous wheel 2 642 are connected to the swing arm 6 through the driving shaft 644 and the passive shaft 645. 3, the synchronous belt 643 connects the synchronous wheel 1 641 and the synchronous wheel 2 642, the tensioning pulley 67 tensions the synchronous belt 643 to maintain a certain tension; the tail end of the passive shaft 645 is installed with a suction cup bayonet seat, and the adapter suction cup 65 is installed below the suction cup bayonet seat; the driving motor 61 drives the active shaft 644 to rotate, and the active shaft 644 drives the swing arm 63 to rotate and swing 180 degrees, the synchronous belt 643 drives the synchronous wheel 2 642 to rotate, and the synchronous wheel 2 642 drives the passive shaft 645 to rotate, and the suction cup bayonet seat and the adapter suction cup 65 remain in a vertical downward state during the swinging process of the swing arm 63; the suction cup is connected to the vacuum pipe, adsorbs the circular pole piece on the disc moving assembly, and rotates 180 degrees to be placed on the balance weighing assembly 7.

[0040] Reference Figure 1 , Figure 2In an embodiment of the utility model, the balance weighing assembly 7 includes an electronic weighing balance 71 and a stabilizing bracket 72. The stabilizing bracket 72 is arranged on one side of the offline punching platform 1, and the stabilizing bracket 72 is consistent with the height of the offline punching platform 1, which is more convenient for transferring the circular electrode. The electronic weighing balance 71 is fixed to the upper end of the stabilizing bracket 72 to weigh the circular electrode, and then the weighing data is transmitted to the offline punching platform 1 so as to collect and analyze the electrode weighing data. At the same time, the measurement data can be automatically uploaded to the host computer and compared and checked with the coating machine, and the detection is convenient and fast.

[0041] Reference Fig. 9 In an embodiment of the utility model, the offline punching platform 1 includes a platform frame 11, an electric cabinet body 12, a display screen 13, an alarm light 14 and a plurality of lifting foot cups 15, wherein the plurality of lifting foot cups 15 are connected to the bottom end of the platform frame 11 and are used for leveling the platform frame 11. The electric cabinet body 12 is fixed to the back of the platform frame 11 and is used for placing related electrical components. The display screen 13 and the alarm light 14 are fixed above the platform frame 11, and the display screen 13 is electrically connected to the electric cabinet body 12, the alarm light 14 is electrically connected to the display screen 13, and the electronic weighing scale 71 is electrically connected to the display screen 13. At the same time, a keyboard box and a keyboard and mouse set connected to the display screen 13 are provided under the table top of the platform frame 11 to facilitate the processing of the data of weighing the circular pole piece.

[0042] Reference Figure 2 In an embodiment of the utility model, the waste collection assembly 8 is composed of a waste tray 81 and a waste area bracket 82. The waste tray 81 is placed above the waste area bracket 82. The waste collection assembly 8 is arranged on the right side of the balance weighing assembly 7. The second set of parallel transfer mechanisms 6 is arranged on the waste area bracket 82 to move the circular pole piece weighed in the balance weighing assembly 7 from the left adsorption rotation to the right waste tray 81, so as to facilitate the collection of the waste pole pieces.

[0043] The above is a specific description of the preferred implementation of the utility model, but the invention of the utility model is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A pole piece punching detection device, characterized in that: It includes an offline punching platform, a pole piece moving module, a linear moving module, a suction cup punching knife assembly, a round piece moving assembly, a parallel transfer mechanism, a balance weighing assembly and a waste collection assembly. The pole piece moving module is horizontally fixed on the offline punching platform, the suction cup punching knife assembly is arranged above the pole piece moving module, the linear moving module is vertically arranged on one side of the pole piece moving module, and the linear moving module is used to drive the suction cup punching knife assembly to move, the round piece moving assembly is arranged at the end of the pole piece moving module, two groups of parallel transfer mechanisms are arranged on both sides of the balance weighing assembly, and the parallel transfer mechanism is used to transfer the pole pieces after punching, and the waste collection assembly is arranged at the rear end of the balance weighing assembly.

2. A pole piece punching detection device according to claim 1, characterized in that: The pole piece moving module includes a pole piece support plate, a driving mechanism and a plurality of linear guide rails. The plurality of linear guide rails are fixed at intervals on the offline punching platform, and a slider is provided at the bottom of the pole piece support plate. The pole piece support plate is slidably connected to the linear guide rail through the slider. The driving mechanism is provided on one side of the linear guide rail, and the driving mechanism is used to drive the pole piece support plate to move along the linear guide rail.

3. A pole piece punching detection device according to claim 2, characterized in that: The suction cup punching knife assembly includes a cylinder fixing seat, two lifting cylinders, a punching cylinder, a mounting seat, a cutting die, a suction cup and a suction cup lifting assembly. The two lifting cylinders are fixed on both sides of the cylinder fixing seat. The protruding ends of the two lifting cylinders are fixedly connected to the cylinder bottom plate. The punching cylinder is fixed to the cylinder bottom plate. The protruding end of the punching cylinder is provided with a connecting seat and a slide rail assembly. The connecting seat is slidably connected to the inside of the cylinder fixing seat through the slide rail assembly, and the mounting seat is fixedly connected to the connecting seat. The cutting die is fixedly connected to the lower end of the mounting seat. The suction cup is connected to the mounting seat through the suction cup lifting assembly, and the suction cup and the cutting die are coaxially arranged.

4. A pole piece punching detection device according to claim 3, characterized in that: The suction cup lifting assembly includes a linear bearing, a guide rod, a pipe joint and a spring. A mounting groove is provided in the middle of the mounting seat, the linear bearing is fixed in the mounting groove, a central through hole is provided in the middle of the mounting groove, the guide rod is provided in the central through hole, the spring is sleeved on the guide rod, and the spring is provided below the linear bearing, the suction cup is fixedly connected to the lower end of the guide rod, the pipe joint is fixedly connected to the upper end of the guide rod, the cutting die is fixed to the bottom end of the mounting seat, a positioning hole is provided in the middle of the cutting die, and the suction cup is provided in the positioning hole.

5. A pole piece punching detection device according to claim 3, characterized in that: The suction cup punch assembly also includes a pressure sensor and a pole piece detection sensor. The pressure sensor is fixedly connected below the punching cylinder, and the pole piece detection sensor is fixed on the side wall of the cylinder fixing seat.

6. A pole piece punching detection device according to claim 1, characterized in that: The wafer moving assembly includes a base, a rodless cylinder, a sliding block and a tray. Both ends of the rodless cylinder are fixed to the offline punching platform through the base, and the tray is slidably connected to the rodless cylinder through the sliding block.

7. A pole piece punching detection device according to claim 4, characterized in that: The parallel transfer mechanism includes a driving motor, a fixed seat, a swing arm, a synchronous transmission assembly, a transfer suction cup, a tensioning wheel base and a tensioning pulley. The driving motor is fixed on the upper part of the fixed seat, the swing arm is arranged in parallel with the synchronous transmission assembly, and one end of the swing arm and the synchronous transmission assembly are connected to the driving motor, the transfer suction cup is connected to the other end of the swing arm, and the driving motor is used to drive the swing arm to rotate 180°, one end of the tensioning wheel base is fixed to the middle part of the swing arm, the tensioning pulley is connected to the other end of the tensioning wheel base, and the tensioning pulley is used to tension the synchronous transmission assembly.

8. A pole piece punching detection device according to claim 7, characterized in that: The synchronous transmission assembly includes a synchronous wheel 1, a synchronous wheel 2, a synchronous belt, a driving shaft and a passive shaft. The synchronous wheel 1 and the synchronous wheel 2 are connected to the two ends of the swing arm through the driving shaft and the passive shaft. The driving shaft is connected with a coupling, and the coupling is connected to a driving motor. The synchronous belt connects the synchronous wheel 1 and the synchronous wheel 2, and the tensioning pulley tensions the synchronous belt.

9. A pole piece punching detection device according to claim 1, characterized in that: The balance weighing assembly includes an electronic weighing balance and a stabilizing bracket. The stabilizing bracket is arranged on one side of the offline punching platform, and the height of the stabilizing bracket is consistent with that of the offline punching platform. The electronic weighing balance is fixed on the upper end of the stabilizing bracket.

10. A pole piece punching detection device according to claim 9, characterized in that: The offline punching platform includes a platform frame, an electric cabinet body, a display screen, an alarm light and a plurality of lifting foot cups, wherein the plurality of lifting foot cups are connected to the bottom end of the platform frame, the electric cabinet body is fixed on the platform frame, the display screen and the alarm light are fixed above the platform frame, and the display screen is electrically connected to the electric cabinet body, the alarm light is electrically connected to the display screen, and the electronic weighing scale is electrically connected to the display screen.

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