Power battery protection sheet die cutting and shaking machine

Abstract

The present application relates to the technical field of protective sheet die cutting and shaking, and discloses a power battery protective sheet die cutting and shaking all-in-one machine, a die cutting part, which cuts the sheet fed; a material pulling part, which can transport the sheet to the die cutting part; a rear shaking waste part, which comprises a conveying belt platform and a shaking device, the shaking device can make the conveying belt element on the conveying platform rise and fall up and down, and the conveying belt platform can change speed to make the sheet vibrate and step, the present application realizes die cutting, transportation and shaking of the power battery protective sheet, improves the degree of automation, and can shake the waste material more efficiently.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of cutting and shaking of protective sheet materials, in particular to a power battery protective sheet material cutting and shaking all-in-one machine. BACKGROUND

[0002] The protective sheet material of a power battery has excellent temperature resistance and protection functions and is widely applied to the safety protection of new energy battery packs. The protective sheet material generally comprises a PET sheet, foam, a protective film or a mica sheet, and in the production process, the sheet material needs to be cut to different sizes to meet different size requirements.

[0003] In the prior art, when the power battery protective sheet material is cut, the excess part or the hole part produces waste, which affects the subsequent packaging process. SUMMARY

[0004] The application provides a power battery protective sheet material cutting and shaking all-in-one machine, which realizes cutting, conveying and shaking of the power battery protective sheet material, improves the degree of automation, reduces the working hours, improves the efficiency, and can more efficiently shake the waste materials.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme:

[0006] The power battery protective sheet material cutting and shaking all-in-one machine comprises:

[0007] A cutting part cuts the fed sheet material; a material pulling part conveys the sheet material to the cutting part; and a rear shaking part comprises a conveying belt platform and a shaking device, the shaking device can make the conveying belt element on the conveying platform rise and fall up and down, and the conveying belt platform can change speed to make the sheet material vibrate and step.

[0008] Optionally, the material pulling part comprises a rack, two groups of feeding assemblies are assembled on the rack, the feeding assembly comprises two pressing cylinders installed on the top of the rack, the output ends of the pressing cylinders are both installed with bearing seats, the bearing seats are slidingly installed on the rack, a material pulling roller is rotatably installed between the two bearing seats, a control servo motor for rotating the material pulling roller is installed on the outer wall of the rack, and a front sticking roller matched with the material pulling roller is installed on the rack.

[0009] Optionally, the cutting part comprises a machine table, a cutting table is fixedly installed on the top of the machine table, two guide rollers are installed in the internal space of the cutting table, the guide rollers are connected with the material pulling part, the two guide rollers guide the fed sheet material, and a servo-controlled cutter is installed in the cutting table.

[0010] Optionally, the conveying belt platform comprises two platform frames, two transmission rollers are installed between the two platform frames, a plurality of equidistantly distributed assembly grooves are formed on the two transmission rollers, and a plurality of assembly belts are in transmission connection through the assembly grooves between the two transmission rollers.

[0011] Optionally, the material shaking device comprises a main shaft rotatably installed between the two platform frames, the main shaft is located in the middle of the area surrounded by the assembly belts, the vertical distance between the highest point and the lowest point of the main shaft is equal, a protractor frame is fixedly installed on the outer wall of the main shaft, a plurality of first assembly rods are rotatably installed on the circumferential array of the end of the protractor frame, the distance between the first assembly rods and the main shaft is greater than the vertical distance between the main shaft and the highest point of the assembly belts, and a power motor for controlling the rotation of the main shaft is installed on the outer wall of the platform frame.

[0012] Optionally, the driver comprises a conveying motor installed on the outer wall of the platform frame, and the conveying motor can control one of the transmission rollers to change the rotating speed.

[0013] Optionally, the material shaking device comprises a swing arm coaxially hinged with the transmission roller, a second assembly rod is rotatably installed on the outer wall of the swing arm, the second assembly rod penetrates into the inside of the surrounding area of the assembly belt, a friction cam is rotatably installed on the outer wall of the platform frame through a bearing seat, a uniform speed motor for controlling the rotation of the friction cam is installed on the platform frame, a friction disc is rotatably installed on the outer wall of the swing arm, the friction cam and the friction disc are in friction transmission, the area where the friction cam and the friction disc rub against each other is elliptical, and when the major axis of the friction cam remains horizontal, the swing arm is in a horizontal state.

[0014] Optionally, the driver comprises a conveying gear installed on the outer wall of the platform frame, the conveying gear rotates coaxially with the transmission roller, the swing arm rotates along the conveying gear, a dynamic gear is rotatably installed on the outer wall of the swing arm, the swing arm rotates coaxially with the friction disc, the dynamic gear is in meshing connection with the conveying gear, and when the swing arm rotates, the dynamic gear revolves along the outer wall of the conveying gear.

[0015] Optionally, a friction groove is formed on the friction cam, and a friction flange is designed on the outer wall of the friction disc, the friction flange and the friction groove are in transmission cooperation.

[0016] Optionally, a scraper is hingedly connected between the two platform frames through a damping hinge, the scraper is located below the assembly belt, and the end of the scraper abuts against the outer wall of the assembly belt.

[0017] The application provides a power battery protective sheet die-cutting and material-shaking integrated machine, which is characterized in that a rear shaking part is arranged, the conveying belt element on the conveying platform can be lifted up and down, so that the die-cutting waste material attached to the top of the protective sheet or the outer wall of the protective sheet can be shaken off, and meanwhile, the conveying belt platform can be conveyed at variable speed; during the process from slow speed to fast speed, the protective sheet will slip due to the insufficient quality of the protective sheet to overcome the acceleration phenomenon, and the protective sheet can be lifted up and down in cooperation with the conveying belt during the slipping process, so that the waste material caused by the die-cutting process can be effectively cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A perspective structural schematic view of the application equipped with example one is shown in the figure.

[0019] Figure 2 A front view structural schematic view of the application is shown in the figure. Figure 1

[0020] Figure 3 A structural schematic view of the material-shaking device and the conveying belt platform in example one of the application is shown in the figure.

[0021] Figure 4 A perspective structural schematic view of the application equipped with example two is shown in the figure.

[0022] Figure 5 An internal structural schematic view and an overall structure separation view of the die-cutting part of the application are shown in the figure.

[0023] Figure 6 A structural schematic view of the material-shaking device and the conveying belt platform in example two of the application is shown in the figure.

[0024] Figure 7 A specific structural schematic view of the material-shaking device in example two of the application is shown in the figure.

[0025] In the figure: 1, frame; 2, pulling roller; 3, pressing cylinder; 4, bearing seat; 5, machine table; 6, die-cutting table; 7, guide roller; 8, cutter; 9, platform frame; 11, transmission roller; 12, assembling belt; 13, assembling groove; 14, first assembling rod; 15, main shaft; 16, indexing frame; 17, swing arm; 18, conveying gear; 19, dynamic gear; 20, scraper; 21, second assembling rod; 24, friction disc; 25, friction cam. DETAILED DESCRIPTION

[0026] ​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 of ordinary skill in the art without creative efforts belong to the scope of protection of the present application.

[0027] Please refer to Figures 1 to 7 The present application provides a power battery protective sheet die-cutting and shaking waste all-in-one machine, comprising:

[0028] A die-cutting part cuts the fed sheet; a material pulling part can transport the sheet to the die-cutting part; a rear shaking waste part comprises a conveying belt platform and a shaking device, the shaking device can make the conveying belt element on the conveying platform rise and fall, and the conveying belt platform can change speed to make the sheet vibrate and step.

[0029] In the prior art, after the PET, mica sheet or heat insulation sheet is die-cut, waste will be generated in the continuous die-cutting process due to the shape and size limitations of the die-cutting die. With the rapid development of new energy power batteries, the demand for power battery protective sheets increases. Manual waste removal will seriously affect production efficiency. In the present application, the rear shaking waste part is provided, which can make the conveying belt element on the conveying platform rise and fall, thereby shaking off the die-cutting waste attached to the top of the protective sheet or its outer wall. At the same time, the variable speed conveying of the conveying belt platform can cause the protective sheet to slip in the running direction.

[0030] Specifically, during the process of the conveying belt from slow to fast, the mass of the protective sheet is not enough to overcome the acceleration phenomenon, which will cause the protective sheet to slip during the process from slow to fast. The protective sheet cooperates with the rise and fall of the conveying belt during the slipping process, thereby effectively cleaning the waste generated in the die-cutting process.

[0031] The conveying belt element in the present application can be understood as the prior art. In the following technical solution, a more efficient conveying belt element will be provided.

[0032] One of the more preferred embodiments, the material pulling part comprises a rack 1, two groups of feeding assemblies are assembled on the rack 1, the feeding assembly comprises two pressing cylinders 3 installed on the top of the rack 1, the output ends of the pressing cylinders 3 are both installed with bearing seats 4, the bearing seats 4 are slidingly installed on the rack 1, a material pulling roller 2 is rotatably installed between the two bearing seats 4, a control material pulling roller 2 rotating servo motor is installed on the outer wall of the rack 1, and a front laminating roller cooperating with the material pulling roller 2 is installed on the rack 1, please refer to Figure 1 、 Figure 2 、 Figure 4And Figure 5 In the specific implementation, the material feeding gap needs to be adjusted according to the thickness of the sheet material, and in the embodiment, the material feeding roller 2 can be precisely lifted or lowered through the cooperation of the rack 1, the pressing cylinder 3 and the material feeding roller 2, so as to control the distance between the material feeding roller 2 and the front laminating roller. In the field of power battery protection sheet material, the distance is not more than 50 mm at most. Secondly, in the embodiment, two groups of feeding assemblies are arranged to improve the accuracy of material feeding. In addition, a digital pressure gauge associated with the pressing cylinder 3 is integrated on the outer wall of the rack 1, which facilitates reading of the pressure value and close adjustment.

[0033] In one of the more preferred embodiments, the die cutting part includes a machine table 5, the top of which is fixedly provided with a die cutting table 6, the inner space of which is provided with two guide rollers 7, which are connected with the material feeding part. The two guide rollers 7 guide the feeding sheet material. The die cutting table 6 is internally provided with a servo-controlled cutter 8. Please refer to Figure 1 、 Figure 2 、 Figure 4 and Figure 5 In the specific implementation, the cutter 8 needs to be adjusted and replaced according to the actual die cutting condition. In the embodiment, the two guide rollers 7 can guide the sheet material into the die cutting area, and the servo-controlled cutter 8 can cut or die cut the sheet material. However, other structures or forms of the cutter 8 are not shown in the present application.

[0034] In one of the more preferred embodiments, the conveyor belt platform includes two platform frames 9, between which two transmission rollers 11 are arranged. A plurality of equidistant assembly grooves 13 are formed on the two transmission rollers 11. A plurality of assembly belts 12 are transmissionally connected between the two transmission rollers 11 through the assembly grooves 13. A driver for controlling the speed of the transmission roller 11 is included. Please refer to Figures 1 to 3 In the specific implementation, the distance between two adjacent assembly grooves 13 needs to be adjusted according to the thickness of the protection sheet material to provide a material falling space for the shaking of the protection sheet material waste. Secondly, the assembly groove 13 can increase the contact area between the assembly belt 12 and the assembly groove 13, thereby improving the conveying quality of the assembly groove 13. In addition, since the assembly groove 13 will be lifted up and down by the shaking device in the present application, the assembly groove 13 can also limit the assembly belt 12 to avoid its disengagement from the correct transmission path.

[0035] The transmission roller 11, the assembly belt 12 and the assembly groove 13 in the embodiment constitute a conveyor belt element.

[0036] The following provides two embodiments of the shaking device, and different driver implementation schemes are provided on the basis thereof.

[0037] Embodiment one:

[0038] The device for shaking off materials comprises a main shaft 15 rotatably installed between two platform frames 9, and the main shaft 15 is located in the middle of the area surrounded by the assembly belt 12, the vertical distance between the highest point and the lowest point of the main shaft 15 is equal, the outer wall of the main shaft 15 is fixedly installed with a protractor frame 16, the end of the circumferential array of the protractor frame 16 is rotatably installed with a plurality of first assembly rods 14, the distance between the first assembly rod 14 and the main shaft 15 is greater than the vertical distance between the main shaft 15 and the highest point of the assembly belt 12, and the outer wall of the platform frame 9 is installed with a power motor for controlling the rotation of the main shaft 15.

[0039] Please refer to Figures 1 to 3 In this embodiment, the position and size relationship between the main shaft 15 and the assembly belt 12 is configured, so that the main shaft 15 is located in the central position inside the assembly belt 12, and due to the cooperation between the first assembly rod 14, the assembly belt 12 and the main shaft 15, the first assembly rod 14 can lift the assembly belt 12 to the highest point when it rotates to the highest point. Secondly, please refer to Figure 3 When the two adjacent uppermost points are kept horizontal, the assembly belt 12 is kept in a horizontal state at this time, and a plurality of first assembly rods 14 distributed in a circumferential array can sequentially lift the assembly belt 12 upwards while the main shaft 15 rotates. In the process of the first assembly rod 14 alternately lifting the assembly belt 12, the assembly belt 12 can quickly rebound by relying on its own elasticity or the tension component configured on the conveying belt element, so that the assembly belt 12 can rise and fall up and down during work, and the waste material generated by die cutting can be shaken off.

[0040] On the basis of embodiment one, an embodiment of a driver is provided, which comprises a conveying motor installed on the outer wall of the platform frame 9, and the conveying motor can control one of the transmission rollers 11 to change the rotating speed. Please refer to Figures 1 to 3 In this embodiment, the conveying motor is composed of a servo adjustable electric machine, by installing the conveying motor, the installation structure can be reduced, the servo control can be directly performed on the transmission roller 11, the time consumption of maintenance and inspection can be reduced, and real-time monitoring and management can be performed.

[0041] Embodiment two:

[0042] The device for shaking off materials comprises a swing arm 17 coaxially hinged with the transmission roller 11, the outer wall of the swing arm 17 is rotatably installed with a second assembly rod 21, the second assembly rod 21 penetrates into the surrounding area inside the assembly belt 12, the outer wall of the platform frame 9 is rotatably installed with a friction cam 25 through a bearing seat, the platform frame 9 is installed with a constant speed motor for controlling the rotation of the friction cam 25, the outer wall of the swing arm 17 is rotatably installed with a friction disc 24, the friction cam 25 and the friction disc 24 are frictionally transmitted, the area where the friction cam 25 and the friction disc 24 are frictionally transmitted is elliptical, and when the major axis of the friction cam 25 is kept horizontal, the swing arm 17 is in a horizontal state.

[0043] Please refer to Figures 3 to 7 In the embodiment, a damping mechanism is further arranged on the swing arm 17, which is not shown in the present application and is used to reset the swing arm 17. The swing arm 17 can be reset due to its own structure, load or the restriction of the assembly belt 12. In the embodiment, the material shaking device is in contact with the friction cam 25 and the friction disc 24. When the main shaft 15 rotates, the friction disc 24 can rotate synchronously. When the friction cam 25 rotates, the friction disc 24 and the swing arm 17 can be displaced upward, so that the second assembly rod 21 on the swing arm 17 can lift the assembly belt 12 upward, so that the assembly belt 12 can be lifted up and down to shake off the waste materials.

[0044] Secondly, when the friction disc 24 is lifted, the swing arm 17 will be subjected to the elastic pressure of the assembly belt 12 and will rotate to the friction disc 24. At this time, the friction disc 24 will transmit the pressure to the friction cam 25, so as to increase the transmission friction between them and make the friction disc 24 rotate more stably. Under the drive of the uniform motor, the friction cam 25 can rotate at a uniform speed. However, due to the shape of the friction cam 25, when the long axis of the friction cam 25 rotates from the horizontal state to the vertical state, the friction surface travel of the friction cam 25 will increase, so that the friction disc 24 will rotate the same travel in the same time. At this time, the friction disc 24 will rotate at an increased speed. Conversely, when the long axis of the friction cam 25 rotates from the vertical state to the horizontal state, it will start to rotate at a slow speed to the initial speed, forming a closed loop operation.

[0045] On the basis of the second embodiment, the driving device is provided. The driving device comprises a conveying gear 18 mounted on the outer wall of the platform frame 9, the conveying gear 18 rotates coaxially with the transmission roller 11, the swing arm 17 rotates along the conveying gear 18, the outer wall of the swing arm 17 is rotatably mounted with a dynamic gear 19, the swing arm 17 rotates coaxially with the friction disc 24, the dynamic gear 19 is in meshing connection with the conveying gear 18, and the dynamic gear 19 revolves along the outer wall of the conveying gear 18 when the swing arm 17 rotates.

[0046] Please refer to Figure 6 and Figure 7In the embodiment, since the dynamic gear 19 rotates coaxially with the friction disc 24, and the dynamic gear 19 and the swing arm 17 revolve together on the outer wall of the conveying gear 18, when the friction disc 24 is lifted to increase the speed, the dynamic gear 19 revolves on the conveying gear 18. Since the conveying gear 18 and the dynamic gear 19 are in meshing transmission, the conveying gear 18 is increased in speed again, so that the rotating speed of the transmission roller 11 is increased during the lifting of the assembly belt 12, so that the assembly belt 12 can be accelerated, and the protective sheet can be better shaken and conveyed forward, improving the quality and efficiency of shaking waste.

[0047] Further, on the basis of the second embodiment, the friction cam 25 is provided with a friction groove, and the outer wall of the friction disc 24 is designed with a friction flange, which is in transmission cooperation with the friction groove.

[0048] Further, the two platform frames 9 are hinged with the scraper 20 through damping hinges, the scraper 20 is located below the assembly belt 12, the end of the scraper 20 abuts against the outer wall of the assembly belt 12, and some small waste or attachments are generated during the die cutting process. If the attachments are adhered or attached to the outer wall of the assembly belt 12, the transmission quality between the assembly belt 12 and the transmission roller 11 will be affected, and the friction between the protective sheet and the assembly belt 12 will also be reduced, affecting the conveying efficiency and shaking efficiency of the protective sheet. In the embodiment, the scraper 20 is designed to be hinged, so that it can scrape and arrange the outer wall of the assembly belt 12 when the assembly belt 12 runs, effectively avoiding the interference of the attachments to the transmission of the assembly belt 12.

[0049] In summary, by cooperation of the above structures, the die cutting, conveying and shaking of the protective sheet of the power battery are realized, the degree of automation is improved, the working hours are reduced, the efficiency is improved, and the shaking of waste is more efficient.

[0050] The standard parts used in the embodiment can be directly purchased from the market, and the non-standard structural parts according to the description and drawings can also be directly processed according to the existing technical knowledge without doubt, and the connection mode of each part adopts the mature conventional means in the existing technology, and the machinery, parts and equipment adopt the conventional models in the existing technology, so the specific description is not made here.

[0051] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A power battery protective sheet die-cutting and shaking integrated machine, characterized in that: include: A die-cutting section that slices the fed sheet; The feeding section is capable of conveying the sheet material to the die-cutting section; The post-waste shaking section includes a conveyor belt platform and a shaking device. The shaking device enables the conveyor belt elements on the conveyor platform to move up and down, and the conveyor belt platform can change speed to make the sheet vibrate and step. The material pulling section includes a frame (1), on which two sets of feeding components are mounted. The feeding components include two pressing cylinders (3) installed on the top of the frame (1). The output ends of the pressing cylinders (3) are all equipped with bearing seats (4). The bearing seats (4) are slidably mounted on the frame (1). A material pulling roller (2) is rotatably mounted between the two bearing seats (4). A servo motor for controlling the rotation of the material pulling roller (2) is installed on the outer wall of the frame (1). A front bonding roller that cooperates with the material pulling roller (2) is also installed on the frame (1). The die-cutting section includes a machine base (5), and a die-cutting table (6) is fixedly installed on the top of the machine base (5). Two guide rollers (7) are installed in the internal space of the die-cutting table (6). The guide rollers (7) are connected to the feeding section. The two guide rollers (7) guide the fed sheet. A servo-controlled cutter (8) is installed inside the die-cutting table (6). The conveyor platform includes two platform frames (9), two drive rollers (11) are installed between the two platform frames (9), and multiple equally spaced assembly slots (13) are opened on the two drive rollers (11). Multiple assembly belts (12) are connected between the two drive rollers (11) through the multiple assembly slots (13). The platform includes a driver for controlling the speed change of the drive rollers (11). The shaking device includes a swing arm (17) coaxially hinged to the transmission roller (11). A second assembly rod (21) is rotatably mounted on the outer wall of the swing arm (17). The second assembly rod (21) passes into the surrounding area of ​​the assembly belt (12). A friction cam (25) is rotatably mounted on the outer wall of the platform frame (9) through a bearing seat. A uniform speed motor for controlling the rotation of the friction cam (25) is mounted on the platform frame (9). A friction disk (24) is rotatably mounted on the outer wall of the swing arm (17). Friction transmission occurs between the friction cam (25) and the friction disk (24). The area where the friction cam (25) rubs against the friction disk (24) is elliptical. When the major axis of the friction cam (25) remains horizontal, the swing arm (17) is in a horizontal state. The driver includes a conveying gear (18) mounted on the outer wall of the platform frame (9). The conveying gear (18) rotates coaxially with the transmission roller (11). The swing arm (17) rotates along the conveying gear (18). A dynamic gear (19) is rotatably mounted on the outer wall of the swing arm (17). The swing arm (17) rotates coaxially with the friction disc (24). The dynamic gear (19) meshes with the conveying gear (18). When the swing arm (17) rotates, the dynamic gear (19) revolves along the outer wall of the conveying gear (18).

2. The integrated die-cutting and shaking machine for power battery protective sheets according to claim 1, characterized in that: The driver includes a conveyor motor mounted on the outer wall of the platform frame (9), which is capable of controlling one of the drive rollers (11) to change its rotational speed.

3. The integrated die-cutting and shaking machine for power battery protective sheets according to claim 1, characterized in that: The friction cam (25) has a friction groove, and the outer wall of the friction disc (24) is designed with a friction flange, which is in transmission cooperation with the friction groove.

4. The integrated die-cutting and shaking machine for power battery protective sheets according to any one of claims 1-3, characterized in that: A scraper (20) is hinged between the two platform frames (9) by a damping hinge. The scraper (20) is located below the assembly belt (12), and the end of the scraper (20) abuts against the outer wall of the assembly belt (12).

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