A lithium battery steel casing and rubber ring assembly equipment
By integrating multi-mechanism automated equipment, the efficient and precise assembly of lithium battery steel casings and rubber rings is achieved, solving the problems of low efficiency and poor precision in existing technologies and improving the production quality of micro lithium batteries.
Patent Information
- Application Number
- CN202510791589.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-13
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2045-06-13
AI Technical Summary
In existing technologies, the assembly efficiency of lithium battery steel casings and rubber rings is low, the precision is poor, and the appearance is easily damaged, which is especially prominent in the production of micro lithium batteries.
Design an automated device that integrates multiple mechanisms such as rubber ring feeding, shaping, steel shell feeding, transplanting, pressing, and testing. Through the cooperation of a turntable and multiple support frames, it realizes automatic feeding of rubber rings, hot shaping, precise insertion of steel shells, and comprehensive testing after assembly.
This improves the assembly efficiency and precision of the steel casing and rubber ring of micro lithium batteries, ensures assembly quality, avoids damage during manual operation, and enhances production efficiency and yield.
Smart Images

Figure CN120287024B_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of battery assembly technology, and particularly relates to a device for assembling the steel casing and rubber ring of a lithium battery. Background Technology
[0002] In the production process of lithium batteries, a step of attaching a rubber ring to the steel casing is necessary. This is especially important for micro lithium batteries, where the material has a small diameter of approximately 8mm and requires an assembly precision of 0.05mm. Currently, manual assembly is slow, mechanical blind assembly has a low yield, and it easily damages the appearance. Therefore, it is necessary to design an automated machine for assembling the steel casing and rubber ring to improve both efficiency and assembly precision. Summary of the Invention
[0003] The purpose of this invention is to provide a device for assembling the steel casing and rubber ring of a lithium battery, so as to solve the problems mentioned in the background art.
[0004] In view of this, the present invention provides an assembly apparatus for a steel casing and rubber ring of a lithium battery, comprising:
[0005] A frame, wherein the frame includes a worktable;
[0006] A turntable is rotatably mounted on a workbench, and several clamps for placing steel shells are arranged in a circular array along the center of the turntable.
[0007] The workbench is sequentially equipped with a rubber ring feeding mechanism, a rubber ring shaping mechanism, a steel shell feeding mechanism, and a transfer mechanism along the rotation direction of the turntable. Next to the transfer mechanism is a material feeding mechanism for transporting steel shells pre-loaded with rubber rings. The material feeding mechanism is equipped with a pressing mechanism, and a detection mechanism is connected to the end of the material feeding mechanism. The rubber ring feeding mechanism is used to feed rubber rings onto the fixture. The rubber ring shaping mechanism is used to heat conduction shape the rubber rings. The steel shell feeding mechanism is used to feed steel shells and insert them into the rubber rings on the fixture. The detection mechanism is used to detect the steel shells with rubber rings installed. The transfer mechanism is used to move the steel shells onto the material feeding mechanism.
[0008] In a further embodiment of the present invention, the rubber ring feeding mechanism includes a first vibrating plate, a first vibrating base, a first support frame, a first material channel, and a first slide rail. The first vibrating plate, the first vibrating base, and the first support frame are all fixed on a workbench. The first material channel is fixed on the first vibrating base, and the first slide rail is fixed on the first support frame. A first sliding block is slidably disposed on the first slide rail, and a first material-pushing block is fixed on the first sliding block. The first material-pushing block engages with the end of the first material channel and is used to position and receive the rubber ring. A second support frame is also fixedly disposed on the workbench. A first fixed seat is disposed on the second support frame, and a first track is fixed on the first fixed seat. A first slider is slidably disposed on the first track, and a second slider is fixed on the first slider. A second track is fixed on the second slider, and a second fixed seat is fixed on the second track. A suction nozzle for adsorbing and holding the rubber ring is disposed on the second fixed seat.
[0009] In a further embodiment of the present invention, the rubber ring shaping mechanism includes a third support frame, a third track on the third support frame, a third slider slidably mounted on the third track, a thermal profiling head on the third slider, the thermal profiling head being adapted to perform heat conduction and shaping processing on the rubber ring outside the fixture, and a first cylinder on the third support frame, the output end of the first cylinder being fixedly connected to the thermal profiling head.
[0010] In a further embodiment of the present invention, the steel shell feeding mechanism includes a second vibrating base, a fourth support frame, a second vibrating plate, a second slide rail, and a third slide rail. The second vibrating plate, the second vibrating base, and the fourth support frame are fixed on a workbench. A second material channel is fixed on the second vibrating plate. A fifth support frame is also provided on the workbench. A second material-pulling block for positioning the steel shell is fixed on the fifth support frame. The second material-pulling block is connected to the end of the second material channel. The second slide rail is fixed on the fourth support frame. The third slide rail is slidably connected to the second slide rail. A second sliding seat is slidably provided on the third slide rail. A suction nozzle for adsorbing the steel shell is provided on the second sliding seat.
[0011] In a further embodiment of the present invention, the transplanting mechanism includes a ninth support frame, which is fixed on a workbench. A third slide is provided on the top of the ninth support frame, and a second cylinder is provided on the third slide. A third fixed seat is slidably provided on the second cylinder. The output end of the second cylinder is connected to the third fixed seat, and a suction nozzle is provided on the third fixed seat for adsorbing the steel shell with the rubber ring installed.
[0012] In a further embodiment of the present invention, the feeding mechanism includes a sixth support frame, a third feeding block is movably provided on the top of the sixth support frame, a fourth slide is slidably provided on the sixth support frame, a fifth slide is slidably provided on the fourth slide, the top of the fifth slide is fixedly connected to the third feeding block, a third cylinder is provided on the fourth slide, and the output end of the third cylinder is fixedly connected to the side of the fifth slide.
[0013] In a further embodiment of the present invention, the pressing mechanism includes a seventh support frame, which is fixed on the top of the sixth support frame and located on the side of the third material feeding block. A fourth cylinder is provided on the seventh support frame, and a pressure head is fixed at the bottom output end of the fourth cylinder. The pressure head is used to press and fix the steel shell and the rubber ring tightly.
[0014] In a further embodiment of the present invention, the detection mechanism includes an eighth support frame, which is fixed on the workbench. A feeding belt is fixed to the top of the eighth support frame. Multiple side detection cameras are arranged around the outside of the feeding belt, and a top detection camera is located at the top of the feeding belt. The side detection cameras and the top detection camera are used to take pictures and detect the steel shell with the rubber ring installed.
[0015] The beneficial effects of this invention are:
[0016] This equipment integrates all mechanisms into one machine. First, the rubber ring feeding mechanism automatically feeds the rubber rings to the clamps on the turntable for positioning. Through the rotation of the turntable, the rubber ring shaping mechanism first heat-shapes the rubber rings to prevent deformation and reshapes any deformed rubber rings to a qualified shape. Then, the steel shell feeding mechanism automatically feeds the steel shells and inserts them onto the rubber rings. The transfer mechanism transfers the steel shells pre-loaded with rubber rings to the material feeding mechanism, which then moves them to the lower part of the pressing mechanism. After the pressing mechanism presses the steel shells and rubber rings into place, the material feeding mechanism moves them to the testing mechanism for all-round photographic inspection. This allows for a series of tasks, including rapid and accurate assembly and testing of miniature rubber rings and steel shells. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention;
[0018] Figure 2 This is a schematic diagram of the structure of the rubber ring feeding mechanism of the present invention. Figure 1 ;
[0019] Figure 3 This is a schematic diagram of the structure of the rubber ring feeding mechanism of the present invention. Figure 2 ;
[0020] Figure 4 This is a schematic diagram of the steel shell feeding mechanism of the present invention;
[0021] Figure 5 This is a schematic diagram of the transplanting mechanism, material feeding mechanism, and detection mechanism of the present invention. Figure 1 ;
[0022] Figure 6 This is a schematic diagram of the transplanting mechanism, material feeding mechanism, and detection mechanism of the present invention. Figure 2 . Detailed Implementation
[0023] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.
[0024] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.
[0025] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and are not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.
[0026] It should be noted that in the description of this application, the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.
[0027] It should be noted that, in this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
[0028] This embodiment provides a lithium battery steel casing and rubber ring assembly device, including...
[0029] Frame 1, wherein the frame 1 includes a worktable 10;
[0030] Turntable 2 is rotatably mounted on workbench 10, and several clamps 20 for placing steel shells are arranged in a circular array along the center of the turntable 2.
[0031] The workbench 10 is sequentially equipped with a rubber ring feeding mechanism 3, a rubber ring shaping mechanism 4, a steel shell feeding mechanism 5, and a transfer mechanism 6 along the rotation direction of the turntable 2. Next to the transfer mechanism 6 is a material feeding mechanism 7 for transporting steel shells pre-loaded with rubber rings. The material feeding mechanism 7 is equipped with a pressing mechanism 8, and a detection mechanism 9 is connected to its end. The rubber ring feeding mechanism 3 feeds rubber rings onto the fixture 20. The rubber ring shaping mechanism 4 performs heat conduction shaping on the rubber rings. The steel shell feeding mechanism 5 feeds steel shells and inserts them into the rubber rings on the fixture 20. The detection mechanism 9 detects the steel shells with rubber rings installed. The transfer mechanism 6 moves the steel shells onto the material feeding mechanism 7. In this embodiment, two rubber rings and two steel shells are assembled at a time to improve assembly efficiency. The number of assembly shells should not be too large because it involves micro lithium batteries, which are small in size and require sufficient assembly accuracy.
[0032] In this embodiment, the rubber ring feeding mechanism 3 further includes a first vibratory plate 30, a first vibratory material seat 31, a first support frame 32, a first material channel 33, and a first slide rail 34. The first vibratory plate 30, the first vibratory material seat 31, and the first support frame 32 are all fixed on the workbench 10. The first material channel 33 is fixed on the first vibratory material seat 31, and the first slide rail 34 is fixed on the first support frame 32. A first slide block 35 is slidably arranged on the first slide rail 34, and a first material-pulling block 36 is fixed on the first slide block 35. The first material-pulling block 36 engages with the end of the first material channel 33 and is used to position and receive the rubber ring. A second support frame 37 is also fixedly arranged on the workbench 10, and a first fixing block is provided on the second support frame 37. The first fixed seat 38 has a first track 380 fixed on it, a first slider 381 slidably mounted on the first track 380, a second slider 382 fixed on the first slider 381, a second track 383 fixed on the second slider 382, and a third fixed seat 384 fixed on the second track 383. The third fixed seat 384 has a suction nozzle 39 for adsorbing the rubber ring. The first vibrating plate 30 contains the rubber ring, which is discharged in the same direction by the vibration of the first vibrating material seat 31. After the first sliding block 35 drives the first feeding block 36 to connect with the end of the first material channel 33 to receive the rubber ring, the first sliding block 35 moves to the bottom of the suction nozzle 39. The suction nozzle 39 adsorbs the rubber ring and moves it to the clamp 20 for placement.
[0033] In this embodiment, the rubber ring shaping mechanism 4 further includes a third support frame 40, a third track 41 on the third support frame 40, a third slider 42 slidably mounted on the third track 41, and a thermal shaping head 43 on the third slider 42. The thermal shaping head 43 is used to adapt to the outside of the clamp 20 for heat conduction and shaping of the rubber ring. The third support frame 40 is also equipped with a first cylinder 44, the output end of which is fixedly connected to the thermal shaping head 43. After the turntable 2 rotates to the position, the first cylinder 44 pushes the thermal shaping head 43 to fit outside the clamp 20, and heat conduction is used to reposition and shape the potentially deformed rubber ring into a qualified shape. The thermal shaping head 43 is existing and will not be described in detail in this embodiment.
[0034] In this embodiment, the steel shell feeding mechanism 5 further includes a second vibrating base 50, a fourth support frame 51, a second vibrating plate 52, a second slide rail 53, and a third slide rail 54. The second vibrating plate 52, the second vibrating base 50, and the fourth support frame 51 are fixed on the workbench 10. A second material channel 55 is fixed on the second vibrating plate 52. A fifth support frame 56 is also provided on the workbench 10. A second material-pulling block 57 for positioning the steel shell is fixed on the fifth support frame 56. The second material-pulling block 57 is connected to the tail end of the second material channel 55. The second slide rail 53 is fixed. On the fourth support frame 51, the third slide rail 54 is slidably connected to the second slide rail 53. The third slide rail 54 is slidably provided with a second slide block 58. The second slide block 58 is provided with a suction nozzle 39 for adsorbing the steel shell. The second vibrating plate 52 contains the steel shell. The vibration of the second vibrating material seat 50 causes the steel shell to be discharged from the second material channel 55 in the same shape. After the movement of the second slide rail 53 and the third slide rail 54, the suction nozzle 39 is aligned with the second material feeding block 57 and adsorbs the steel shell and transports it to the rubber ring on the clamp 20. The steel shell is then slightly pressed down and inserted into the rubber ring for pre-loading.
[0035] In this embodiment, the transplanting mechanism 6 further includes a ninth support frame 60, which is fixed on the workbench 10. The top of the ninth support frame 60 is provided with a third slide 61, and a second cylinder 62 is provided on the third slide 61. A second fixed seat 63 is slidably provided on the second cylinder 62. The output end of the second cylinder 62 is connected to the second fixed seat 63. A suction nozzle 39 is provided on the second fixed seat 63 for adsorbing the steel shell with the rubber ring installed. After the third slide 61 slides on the ninth support frame 60 above the clamp 20, the second cylinder 62 pushes the suction nozzle 39 downward to adsorb the steel shell and transport the steel shell to the feeding mechanism 7.
[0036] In this embodiment, the feeding mechanism 7 further includes a sixth support frame 70, a third feeding block 71 movably mounted on the top of the sixth support frame 70, a fourth slide block 72 slidably mounted on the sixth support frame 70, a fifth slide block 73 slidably mounted on the fourth slide block 72, the top of the fifth slide block 73 being fixedly connected to the third feeding block 71, a third cylinder 74 mounted on the fourth slide block 72, the output end of the third cylinder 74 being fixedly connected to the side of the fifth slide block 73, the third cylinder 74 working to push the fifth slide block 73 to reciprocate, thereby driving the third feeding block 71 to move back and forth, transporting the steel shell transferred from the transplanting mechanism 6 to below the pressing mechanism 8.
[0037] In this embodiment, the pressing mechanism 8 further includes a seventh support frame 80, which is fixed on the top of the sixth support frame 70 and located on the side of the third material feeding block 71. A fourth cylinder 81 is provided on the seventh support frame 80, and a pressure head 82 is fixed at the bottom output end of the fourth cylinder 81. The pressure head 82 is used to press and fix the steel shell and the rubber ring. The operation of the fourth cylinder 81 drives the pressure head 82 to press the steel shell and the rubber ring into place.
[0038] In this embodiment, the detection mechanism 9 further includes an eighth support frame 90, which is fixed on the workbench 10. A feeding belt 91 is fixed to the top of the eighth support frame 90. Multiple side detection cameras 92 are arranged around the outside of the feeding belt 91, and a top detection camera 93 is located at the top of the feeding belt 91. The side detection cameras 92 and the top detection camera 93 are used to take pictures of the steel shell with the rubber ring installed. After the pressing is completed, the fourth cylinder 81 works to move the steel shell out onto the feeding belt 91. The detection mechanism 9 performs all-round picture detection.
[0039] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.
Claims
1. A lithium battery steel casing and rubber ring assembly device, characterized in that, include A frame, wherein the frame includes a worktable; A turntable is rotatably mounted on a workbench, and several clamps for placing steel shells are arranged in a circular array along the center of the turntable. The workbench is sequentially equipped with a rubber ring feeding mechanism, a rubber ring shaping mechanism, a steel shell feeding mechanism, and a transfer mechanism along the rotation direction of the turntable. Next to the transfer mechanism is a material feeding mechanism for transporting steel shells pre-loaded with rubber rings. The material feeding mechanism is equipped with a pressing mechanism and a detection mechanism is connected to its end. The rubber ring feeding mechanism is used to feed rubber rings onto the fixture. The rubber ring shaping mechanism is used to heat conduction shape the rubber rings. The steel shell feeding mechanism is used to feed steel shells and insert them into the rubber rings on the fixture. The detection mechanism is used to detect the steel shells loaded with rubber rings. The transfer mechanism is used to move the steel shells onto the material feeding mechanism. The rubber ring feeding mechanism includes a first vibrating plate, a first vibrating base, a first support frame, a first material channel, and a first slide rail. The first vibrating plate, the first vibrating base, and the first support frame are all fixed on the worktable. The first material channel is fixed on the first vibrating base. The first slide rail is fixed on the first support frame. A first sliding block is slidably arranged on the first slide rail. A first material-pulling block is fixed on the first sliding block. The first material-pulling block is connected to the end of the first material channel and is used to position and receive the rubber ring. A second support frame is also fixed on the worktable. A first fixed seat is provided on the second support frame. A first track is fixed on the first fixed seat. A first slider is slidably arranged on the first track. A second slider is fixed on the first slider. A second track is fixed on the second slider. A second fixed seat is fixed on the second track. A suction nozzle for adsorbing and holding the rubber ring is provided on the second fixed seat. The rubber ring shaping mechanism includes a third support frame, a third track on the third support frame, a third slider slidably mounted on the third track, and a thermal profiling head on the third slider. The thermal profiling head is used to adapt to the shaping process of the rubber ring after heat conduction outside the fixture. The third support frame also includes a first cylinder, and the output end of the first cylinder is fixedly connected to the thermal profiling head.
2. The lithium battery steel casing and rubber ring assembly equipment according to claim 1, characterized in that, The steel shell feeding mechanism includes a second vibrating base, a fourth support frame, a second vibrating plate, a second slide rail, and a third slide rail. The second vibrating plate, the second vibrating base, and the fourth support frame are fixed on the workbench. A second material channel is fixed on the second vibrating plate. A fifth support frame is also provided on the workbench. A second material-pulling block for positioning the steel shell is fixed on the fifth support frame. The second material-pulling block is connected to the end of the second material channel. The second slide rail is fixed on the fourth support frame. The third slide rail is slidably connected to the second slide rail. A second sliding seat is slidably provided on the third slide rail. A suction nozzle for adsorbing the steel shell is provided on the second sliding seat.
3. The lithium battery steel casing and rubber ring assembly equipment according to claim 2, characterized in that, The transplanting mechanism includes a ninth support frame, which is fixed on the workbench. The top of the ninth support frame is provided with a third slide, and the third slide is provided with a second cylinder. A third fixed seat is slidably provided on the second cylinder. The output end of the second cylinder is connected to the third fixed seat, and a suction nozzle is provided on the third fixed seat for adsorbing the steel shell with the rubber ring installed.
4. The lithium battery steel casing and rubber ring assembly equipment according to claim 3, characterized in that, The feeding mechanism includes a sixth support frame, a third feeding block is movably mounted on the top of the sixth support frame, a fourth slide is slidably mounted on the sixth support frame, a fifth slide is slidably mounted on the fourth slide, the top of the fifth slide is fixedly connected to the third feeding block, a third cylinder is mounted on the fourth slide, and the output end of the third cylinder is fixedly connected to the side of the fifth slide.
5. The lithium battery steel casing and rubber ring assembly equipment according to claim 4, characterized in that, The pressing mechanism includes a seventh support frame, which is fixed on the top of the sixth support frame and located on the side of the third material feeding block. A fourth cylinder is provided on the seventh support frame, and a pressure head is fixed at the bottom output end of the fourth cylinder. The pressure head is used to press and fix the steel shell and the rubber ring.
6. The lithium battery steel casing and rubber ring assembly equipment according to claim 5, characterized in that, The testing mechanism includes an eighth support frame, which is fixed on the workbench. A feeding belt is fixed to the top of the eighth support frame. Multiple side inspection cameras are arranged around the outside of the feeding belt, and a top inspection camera is located at the top of the feeding belt. The side inspection cameras and the top inspection camera are used to take pictures and inspect the steel shell with the rubber ring installed.
Citation Information
Patent Citations
Automatic lithium battery cap assembling and discharging device with discharging detection mechanism
CN109732312A