Heat conveying pretreatment machine used before packaging of bare battery cell

Abstract

The utility model relates to the technical field of battery production, in particular to a heat conveying pretreatment machine used before packaging of a naked battery cell. Comprising a feeding conveying mechanism, a hot pressing mechanism, a heat conveying mechanism, a heating positioning table, a packaging clamp, a feeding mechanical arm movably arranged between the feeding conveying mechanism and the hot pressing mechanism, a transferring mechanical arm movably arranged between the hot pressing mechanism and the heat conveying mechanism, and a visual inspection mechanism erected above the heating positioning table. The transfer manipulator is movably arranged between the heat conveying mechanism and the heating positioning table; and the discharging manipulator is movably arranged between the heating positioning table and the packaging clamp. According to the invention, hot press molding, visual inspection and naked battery cell casing are automatically carried out on the naked battery cell so as to complete the naked battery cell packaging pretreatment, and in the whole packaging pretreatment process, the naked battery cell is continuously heated to ensure that the temperature of the naked battery cell is at a preset temperature value, so that the subsequent thermal packaging time is shortened, and the packaging efficiency is improved. And the thermal packaging quality and efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production, in particular to a heat transport pre-processing machine before bare battery cell packaging. Background Art

[0002] Before soft-pack batteries are packaged, the bare cells need to be hot-pressed, visually inspected, and put into shells before packaging. After the bare cells are hot-pressed, they will have a certain temperature, but as the bare cells are transferred between other processes, the heat of the bare cells gradually dissipates and the temperature gradually drops, and may even drop to room temperature. When the packaging mechanism packages the bare cells placed in the aluminum-plastic film shell, due to the large temperature difference between the packaging head of the packaging mechanism and the bare cells, the packaging time is long, the packaging efficiency is low, the packaging stability is poor, and it is difficult to ensure the packaging quality, especially the packaging at the tab position of the bare cells is prone to wrinkling or whitening. Therefore, the defects are very obvious, and a solution is urgently needed. Utility Model Content

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a heat transfer pretreatment machine for bare battery cells before packaging.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A heat transfer pretreatment machine for bare cell packaging, comprising a loading and conveying mechanism, a hot pressing mechanism arranged on one side of the loading and conveying mechanism, a loading robot movably arranged between the loading and conveying mechanism and the hot pressing mechanism, a hot conveying mechanism arranged on a side of the hot pressing mechanism away from the loading and conveying mechanism, a transfer robot movably arranged between the hot pressing mechanism and the hot conveying mechanism, a heating positioning platform arranged on one side of the hot conveying mechanism, a visual inspection mechanism mounted above the heating positioning platform, a transfer robot movably arranged between the hot conveying mechanism and the heating positioning platform, a packaging fixture arranged on one side of the heating positioning platform, and a discharging robot movably arranged between the heating positioning platform and the packaging fixture.

[0006] Furthermore, a battery cell tab shaping heating device is arranged between the heating positioning table and the packaging fixture. The battery cell tab shaping heating device is used to heat the bare battery cell and shape the tab of the bare battery cell. The discharge robot is movably arranged between the heating positioning table, the battery cell tab shaping heating device and the packaging fixture.

[0007] Furthermore, a defective material box is arranged on the outer side of the heating positioning table.

[0008] Furthermore, the heat conveying mechanism includes a heat-insulating bracket, two driving rollers rotatably connected to the heat-insulating bracket in parallel, a high-temperature resistant conveyor belt drivingly sleeved on the two driving rollers, a rotating drive module installed on the heat-insulating bracket and used to drive one of the driving rollers to rotate, and a heating module installed on the heat-insulating bracket and located in the inner cavity of the high-temperature conveyor belt, wherein the heating module is used to heat the high-temperature resistant conveyor belt.

[0009] Furthermore, the heating module includes a heat conducting plate installed on the heat insulating bracket and a first heat source installed on the heat conducting plate, and the heat conducting plate is located in the inner cavity of the high temperature resistant conveyor belt.

[0010] Furthermore, the heating positioning platform includes a heat-insulating support frame, a backlight source mounted on the heat-insulating support frame, and a heating glass arranged on the backlight source, wherein the heating glass is used to heat the bare battery cell; and the visual inspection mechanism includes a CCD camera mounted above the heating glass.

[0011] Furthermore, the heating positioning platform includes a heat-insulating support frame, a heating light source mounted on the heat-insulating support frame, and a heat-resistant transparent carrier plate arranged on the heating light source, the heating light source irradiates light to the heat-resistant transparent carrier plate and heats the heat-resistant transparent carrier plate; the visual inspection mechanism includes a CCD camera mounted above the heat-resistant transparent carrier plate.

[0012] Furthermore, the battery cell tab shaping and heating device includes an insulation seat, a heating platform installed on the insulation seat, and a tab shaping mechanism installed on the insulation seat and located at one end of the heating platform. The heating platform supports and heats the bare battery cell, and the tab shaping mechanism is used to shape the tab of the bare battery cell.

[0013] Furthermore, the heating platform includes a heat-conducting carrier installed on the heat-insulating seat and a second heat source installed on the heat-conducting carrier.

[0014] Furthermore, the bare cell pre-packaging heat transfer pre-processing machine also includes a bare cell tab spacing detection mechanism mounted above the packaging fixture.

[0015] The beneficial effects of the utility model are as follows: in actual application, the feeding conveying mechanism conveys the bare battery cells to the feeding robot, the feeding robot feeds the bare battery cells to the hot pressing mechanism, the hot pressing mechanism performs hot pressing molding on the bare battery cells, the transfer robot picks up the hot pressed bare battery cells and places them on the heat conveying mechanism, the hot conveying mechanism heats the bare battery cells while conveying them to the transfer robot, so as to prevent the bare battery cells from cooling down during the conveying process, the transfer robot picks up the bare battery cells on the heat conveying mechanism and places them on the heating positioning table, the heating positioning table carries and heats the bare battery cells to ensure the temperature of the bare battery cells, the visual inspection mechanism performs bare battery cell outer contour inspection, bare battery cell pole ear spacing inspection, bare battery cell pole ear initial length inspection and Visual inspections such as detection of whether there are foreign objects interfering with the tabs of the bare cells and detection of the outer contour of the bare cells can be used to locate and check the outer dimensions of the bare cells. When it is detected that the tab spacing of the bare cells is poor, the initial tab length of the bare cells is poor, or the outer dimensions of the bare cells are poor, the unloading robot places the bare cells in a defective material box; when foreign objects are detected interfering with the tabs of the bare cells, the system will alarm externally so that the foreign objects can be handled in time; when the inspection is normal, the unloading robot can accurately pick up the bare cells according to the positioning of the bare cells, and accurately place the bare cells in the aluminum-plastic film shell of the packaging fixture, the packaging fixture aligns the aluminum-plastic film shell so that the bare cells are located in the aluminum-plastic film shell, and the external packaging mechanism performs thermal packaging on the aligned aluminum-plastic film shell. The utility model automatically performs hot pressing molding, visual inspection and shelling of bare cells to complete the pre-packaging treatment of bare cells, and in the whole pre-packaging treatment process, the bare cells are continuously heated to ensure that the temperature of the bare cells is at a preset temperature value, thereby shortening the time for subsequent thermal packaging, improving the efficiency and quality of thermal packaging, and preventing the occurrence of packaging wrinkles or whitening and the like. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0017] Figure 2 It is a schematic diagram of the planar structure of the utility model.

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the heat transport mechanism of the utility model.

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the heating positioning platform of the utility model.

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the battery cell tab shaping and heating device of the utility model.

[0021] Description of reference numerals:

[0022] 1. Loading and conveying mechanism; 2. Hot pressing mechanism; 3. Loading robot; 4. Heat conveying mechanism; 5. Transfer robot; 6. Heating and positioning platform; 7. Visual inspection mechanism; 8. Transfer robot; 9. Packaging fixture; 10. Discharging robot; 11. Battery cell tab shaping and heating device; 12. Defective product box; 13. Heat insulation bracket; 14. Drive roller; 15. High temperature resistant conveyor belt; 16. Rotation drive module; 17. Heating module; 18. Heat conduction plate; 19. First heat source; 20. Heat insulation support frame; 21. Backlight source; 22. Heating glass; 23. Heat insulation seat; 24. Heating platform; 25. Tab shaping mechanism; 26. Heat conduction carrier; 27. Second heat source; 28. Bare battery cell tab spacing detection mechanism. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with embodiments and drawings. The contents mentioned in the implementation modes are not intended to limit the present invention.

[0024] like Figures 1 to 5 As shown, the utility model provides a heat conveying pre-treatment machine for bare cell packaging, which includes a feeding conveying mechanism 1, a hot pressing mechanism 2 arranged on one side of the feeding conveying mechanism 1, a feeding manipulator 3 movably arranged between the feeding conveying mechanism 1 and the hot pressing mechanism 2, a hot conveying mechanism 4 arranged on the side of the hot pressing mechanism 2 away from the feeding conveying mechanism 1, a transfer manipulator 5 movably arranged between the hot pressing mechanism 2 and the hot conveying mechanism 4, a heating positioning platform 6 arranged on one side of the hot conveying mechanism 4, a visual inspection mechanism 7 mounted above the heating positioning platform 6, a transfer manipulator 8 movably arranged between the hot conveying mechanism 4 and the heating positioning platform 6, a packaging fixture 9 arranged on one side of the heating positioning platform 6, and a discharging manipulator 10 movably arranged between the heating positioning platform 6 and the packaging fixture 9. Specifically, the discharging manipulator 10 is a four-axis manipulator, and a defective material box 12 is arranged on the outside of the heating positioning platform 6.

[0025] In actual application, the feeding conveying mechanism 1 conveys the bare battery cell to the feeding robot 3, the feeding robot 3 feeds the bare battery cell to the hot pressing mechanism 2, the hot pressing mechanism 2 performs hot pressing molding on the bare battery cell, and the bare battery cell after hot pressing molding has a certain amount of heat, the transfer robot 5 picks up the bare battery cell after hot pressing molding onto the heat conveying mechanism 4, and the heat conveying mechanism 4 heats the bare battery cell while conveying the bare battery cell to the transfer robot 8 to prevent the bare battery cell from cooling down during transportation, the transfer robot 8 picks up the bare battery cell on the heat conveying mechanism 4 to the heating positioning platform 6, the heating positioning platform 6 carries and heats the bare battery cell to ensure the temperature of the bare battery cell, and the visual inspection mechanism 7 performs visual positioning, bare battery cell outer contour (bare battery cell outer dimensions) inspection, bare battery cell pole ear spacing inspection, and bare battery cell carried by the heating positioning platform 6. Visual inspections such as the initial length detection of the battery cell's tabs and the detection of whether there are foreign objects interfering with the tabs of the bare cell, and the detection of the outer contour of the bare cell can locate the bare cell and check the outer dimensions. When it is detected that the tab spacing of the bare cell is poor, the initial length of the tabs of the bare cell is poor, or the outer dimensions of the bare cell are poor, the unloading robot 10 places the bare cell in the defective product box 12; when foreign objects are detected interfering with the tabs of the bare cell, the system alarms externally so that the foreign objects can be handled in time; when the inspection is normal, the unloading robot 10 can accurately pick up the bare cell according to the positioning of the bare cell, and accurately place the bare cell in the aluminum-plastic film shell of the packaging fixture 9, the packaging fixture 9 aligns the aluminum-plastic film shell so that the bare cell is located in the aligned aluminum-plastic film shell, and the external packaging mechanism performs thermal packaging on the aligned aluminum-plastic film shell. The utility model automatically performs hot pressing molding, visual inspection and shelling of bare cells to complete the pre-packaging treatment of bare cells, and in the whole pre-packaging treatment process, the bare cells are continuously heated to ensure that the temperature of the bare cells is at a preset temperature value, thereby shortening the time for subsequent thermal packaging, improving the efficiency, quality and stability of thermal packaging, and preventing the occurrence of packaging wrinkles or whitening and the like.

[0026] Specifically, the packaging fixture 9 is a heating packaging fixture. Preferably, a heating carrier is provided on the clamping plate of the packaging fixture 9. The heating packaging fixture can heat the aluminum-plastic film shell, further shortening the subsequent thermal packaging time, and the efficiency, quality and stability of the thermal packaging are higher.

[0027] In this embodiment, a cell tab shaping heating device 11 is provided between the heating positioning platform 6 and the packaging fixture 9. The cell tab shaping heating device 11 is used to heat the bare cell and shape the tabs of the bare cell. The unloading robot 10 is movably provided between the heating positioning platform 6, the cell tab shaping heating device 11 and the packaging fixture 9. In practical applications, the unloading robot 10 picks up the bare cell after inspection onto the cell tab shaping heating device 11. The cell tab shaping heating device 11 heats the bare cell and shapes the tabs of the bare cell.

[0028] In this embodiment, the heat conveying mechanism 4 includes a heat-insulating bracket 13, two driving rollers 14 connected to the heat-insulating bracket 13 in parallel, a high-temperature conveying belt 15 drivingly sleeved on the two driving rollers 14, a rotating driving module 16 installed on the heat-insulating bracket 13 and used to drive one of the driving rollers 14 to rotate, and a heating module 17 installed on the heat-insulating bracket 13 and located in the inner cavity of the high-temperature conveying belt 15, and the heating module 17 is used to heat the high-temperature conveying belt 15. Specifically, the rotating driving module 16 can adopt a structure of a motor-driven synchronous belt and a synchronous wheel.

[0029] In actual application, the rotating drive module 16 drives one of the transmission rollers 14 to rotate, and the high temperature resistant conveyor belt 15 is driven to rotate under the cooperation of the two transmission rollers 14. The rotating high temperature resistant conveyor belt 15 conveys the bare battery cells. During the conveying process, the heating module 17 heats the high temperature resistant conveyor belt 15, and the temperature of the high temperature resistant conveyor belt 15 is transferred to the bare battery cells to heat the bare battery cells and prevent the bare battery cells from cooling down, so as to achieve heated transportation of the bare battery cells.

[0030] In this embodiment, the heating module 17 includes a heat conducting plate 18 mounted on the heat insulating bracket 13 and a first heat source 19 mounted on the heat conducting plate 18, and the heat conducting plate 18 is located in the inner cavity of the high temperature resistant conveyor belt 15. Specifically, the first heat source 19 can be a heating tube or a heating plate. In practical applications, the first heat source 19 generates heat to heat the heat conducting plate 18, and the heated heat conducting plate 18 transfers heat to the high temperature resistant conveyor belt 15 to heat the high temperature resistant conveyor belt 15, and the heated high temperature resistant conveyor belt 15 heats and conveys the bare battery cells.

[0031] In this embodiment, the heating positioning platform 6 includes an insulating support frame 20, a backlight source 21 mounted on the insulating support frame 20, and a heating glass 22 arranged on the backlight source 21, and the heating glass 22 is used to heat the bare battery cell; the visual inspection mechanism 7 includes a CCD camera mounted above the heating glass 22.

[0032] In actual applications, the backlight source 21 irradiates light to the heating glass 22 to project the outer contour of the bare battery cell carried by the heating glass 22. The CCD camera of the visual inspection mechanism 7 performs visual positioning and outer dimension inspection on the bare battery cell. At the same time, the heating glass 22 heats the bare battery cell.

[0033] In another embodiment, the heating positioning platform 6 includes a heat-insulating support frame 20, a heat-generating light source mounted on the heat-insulating support frame 20, and a heat-resistant transparent carrier plate disposed on the heat-generating light source, wherein the heat-generating light source irradiates light to the heat-resistant transparent carrier plate and heats the heat-resistant transparent carrier plate; the visual inspection mechanism 7 includes a CCD camera mounted above the heat-resistant transparent carrier plate. In actual applications, the heat-generating light source irradiates heat light to the heat-resistant transparent carrier plate to heat the heat-resistant transparent carrier plate, and also projects the outer contour of the bare battery cell carried by the heat-resistant transparent carrier plate, and the CCD camera of the visual inspection mechanism 7 performs visual positioning and outer dimension inspection on the bare battery cell.

[0034] Specifically, there are two CCD cameras, which are arranged in parallel. In practical applications, one CCD camera is used to perform visual positioning and size detection on the bare cell, and the other CCD camera is used to perform visual detection on the bare cell, such as the distance between the bare cell tabs, the initial length of the bare cell tabs, and whether there are foreign objects next to the bare cell tabs.

[0035] In the present embodiment, the battery cell tab shaping and heating device 11 includes a heat-insulating seat 23, a heating platform 24 mounted on the heat-insulating seat 23, and a tab shaping mechanism 25 mounted on the heat-insulating seat 23 and located at one end of the heating platform 24. The heating platform 24 supports and heats the bare battery cell, and the tab shaping mechanism 25 is used to shape the tabs of the bare battery cell. Specifically, the tab shaping mechanism 25 can adopt an existing device, which will not be described here. In actual applications, in actual applications, the discharging robot 10 picks up the bare battery cell after inspection onto the battery cell tab shaping and heating device 11, and the discharging robot 10 presses the bare battery cell onto the heating platform 24, and the heating platform 24 heats the bare battery cell. At the same time, the tab shaping mechanism 25 shapes the tabs of the bare battery cell.

[0036] In this embodiment, the heating platform 24 includes a heat-conducting carrier 26 mounted on the heat-insulating seat 23 and a second heat source 27 mounted on the heat-conducting carrier 26. Specifically, the second heat source 27 can be a heating tube or a heating plate. In practical applications, the second heat source 27 generates heat to heat the heat-conducting carrier 26, and the heat-conducting carrier 26 carries and heats the bare battery cell.

[0037] In this embodiment, the bare cell pre-packaging heat transfer pre-treatment machine further includes a bare cell tab spacing detection mechanism 28 mounted above the packaging fixture 9; specifically, the bare cell tab spacing detection mechanism 28 includes an industrial camera mounted above the packaging fixture 9. In practical applications, after the bare cell is placed in the aluminum-plastic film shell carried by the packaging fixture 9, the bare cell tab spacing detection mechanism 28 detects the tab spacing of the bare cell after entering the shell, and feeds back the detection result to the control system, so that the control system controls the packaging fixture 9 to adjust the position at the external packaging mechanism to ensure the quality of packaging (for example: top sealing).

[0038] All technical features in this embodiment can be freely combined according to actual needs.

[0039] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A heat transfer pre-treatment machine for bare cell packaging, characterized in that: The invention comprises a feeding conveying mechanism (1), a hot pressing mechanism (2) arranged on one side of the feeding conveying mechanism (1), a feeding robot (3) movably arranged between the feeding conveying mechanism (1) and the hot pressing mechanism (2), a hot conveying mechanism (4) arranged on a side of the hot pressing mechanism (2) away from the feeding conveying mechanism (1), a transfer robot (5) movably arranged between the hot pressing mechanism (2) and the hot conveying mechanism (4), a heating positioning platform (6) arranged on one side of the hot conveying mechanism (4), a visual inspection mechanism (7) mounted above the heating positioning platform (6), a transfer robot (8) movably arranged between the hot conveying mechanism (4) and the heating positioning platform (6), a packaging fixture (9) arranged on one side of the heating positioning platform (6), and a discharging robot (10) movably arranged between the heating positioning platform (6) and the packaging fixture (9).

2. A bare cell pre-packaging heat transfer pre-treatment machine according to claim 1, characterized in that: A cell tab shaping heating device (11) is provided between the heating positioning platform (6) and the packaging fixture (9), and the cell tab shaping heating device (11) is used to heat the bare cell and shape the tabs of the bare cell. A discharging robot (10) is movably provided between the heating positioning platform (6), the cell tab shaping heating device (11) and the packaging fixture (9).

3. A bare cell pre-packaging heat transfer pre-treatment machine according to claim 1, characterized in that: A defective material box (12) is arranged outside the heating positioning table (6).

4. The heat transfer pretreatment machine for bare cell packaging according to claim 1, characterized in that: The heat conveying mechanism (4) comprises a heat insulating support (13), two driving rollers (14) connected to the heat insulating support (13) in parallel and rotationally, a high temperature resistant conveying belt (15) drivingly sleeved on the two driving rollers (14), a rotating driving module (16) installed on the heat insulating support (13) and used to drive one of the driving rollers (14) to rotate, and a heating module (17) installed on the heat insulating support (13) and located in the inner cavity of the high temperature resistant conveying belt (15), wherein the heating module (17) is used to heat the high temperature resistant conveying belt (15).

5. A bare cell pre-packaging heat transfer pre-treatment machine according to claim 4, characterized in that: The heating module (17) comprises a heat conducting plate (18) mounted on a heat insulating bracket (13) and a first heat source (19) mounted on the heat conducting plate (18); the heat conducting plate (18) is located in the inner cavity of the high temperature resistant conveyor belt (15).

6. The heat transfer pretreatment machine for bare cell packaging according to claim 1, characterized in that: The heating positioning platform (6) comprises a heat-insulating support frame (20), a backlight source (21) mounted on the heat-insulating support frame (20), and a heating glass (22) arranged on the backlight source (21), wherein the heating glass (22) is used to heat the bare battery core; and the visual detection mechanism (7) comprises a CCD camera mounted above the heating glass (22).

7. The heat transfer pretreatment machine for bare cell packaging according to claim 1, characterized in that: The heating positioning platform (6) comprises a heat-insulating support frame (20), a heating light source mounted on the heat-insulating support frame (20), and a heat-resistant transparent carrier plate arranged on the heating light source, wherein the heating light source irradiates light onto the heat-resistant transparent carrier plate and heats the heat-resistant transparent carrier plate; and the visual detection mechanism (7) comprises a CCD camera mounted above the heat-resistant transparent carrier plate.

8. The heat transfer pretreatment machine for bare cell packaging according to claim 2, characterized in that: The battery cell tab shaping and heating device (11) comprises a heat insulating seat (23), a heating platform (24) mounted on the heat insulating seat (23), and a tab shaping mechanism (25) mounted on the heat insulating seat (23) and located at one end of the heating platform (24); the heating platform (24) supports and heats the bare battery cell, and the tab shaping mechanism (25) is used to shape the tab of the bare battery cell.

9. A bare cell pre-packaging heat transfer pre-treatment machine according to claim 8, characterized in that: The heating platform (24) comprises a heat-conducting carrier (26) mounted on the heat-insulating seat (23) and a second heat source (27) mounted on the heat-conducting carrier (26).

10. The heat transfer pre-treatment machine for bare cell packaging according to claim 1, characterized in that: The bare cell pre-packaging heat transfer pre-treatment machine further comprises a bare cell tab spacing detection mechanism (28) mounted above the packaging fixture (9).

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