Graphite flake cutting device
By using extrusion rollers and limiting mechanisms with the same rotation speed but different steering in the graphite sheet cutting device, the problem of unfixed position during the graphite sheet cutting process is solved, and the flatness and accurate cutting of the graphite sheet is achieved.
Patent Information
- Application Number
- CN202421997211.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-16
AI Technical Summary
The existing graphite sheet cutting devices lack position fixing devices, resulting in inaccurate cutting and inaccurate cutting in material pleated state cannot ensure accuracy.
Two rotating shafts are used to drive the extrusion rollers to perform movements with the same rotation speed but different steering. Combined with the limiting mechanism and the leveling mechanism, the graphite sheet remains flat during cutting, and the graphite sheet is fixed by providing a reaction force through a spring.
The accuracy and accuracy of graphite sheet cutting are improved to ensure the stability of the graphite sheet position during the cutting process.
Smart Images
Figure CN223071682U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of graphite sheet processing, in particular to a graphite sheet cutting device. Background Art
[0002] A graphite sheet is a brand-new heat-conducting and heat-dissipating material, which conducts heat uniformly in two directions, shields heat sources and components while improving the performance of consumer electronic products.
[0003] In the prior art, in order to facilitate the cutting of graphite sheets, a cutting device is generally used. However, the existing cutting devices generally do not have a device for fixing the position of the graphite sheet, so that the graphite sheet may be displaced during the cutting process, thereby reducing the cutting accuracy of the graphite sheet. Moreover, after the existing cutting device conveys the material, there is generally no rotating shaft for leveling the graphite sheet, so that the material is cut in a wrinkled state, thus unable to ensure the cutting accuracy. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the deficiencies in the prior art. By rotating two rotating shafts to drive two pressing rollers to perform movements with the same rotational speed but opposite directions, thereby enabling the two pressing rollers to flatten the graphite sheet, so that the graphite sheet is cut in a flat state, improving the accuracy, and a graphite sheet cutting device is proposed.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A graphite sheet cutting device includes a base. A fixed frame is provided at the upper end of the base. Two symmetrically arranged telescopic cylinders penetrate through the fixed frame. The ends of the telescopic ends of the two telescopic cylinders are jointly provided with a disc. A cutter is provided at the lower end of the disc. A cutting groove matching with the cutter is opened at the upper end of the base. A limiting mechanism for limiting the graphite sheet is provided on the disc. Two symmetrically arranged fixing plates are provided at the upper end of the base. A plurality of transmission rods are provided between the two fixing plates. A flattening mechanism for flattening the graphite sheet is provided between the two fixing plates.
[0007] Preferably, the limiting mechanism includes a plurality of circumferentially arranged connecting columns slidably penetrating through the disc. The number of the plurality of connecting columns is four. A limiting frame is jointly connected to the lower ends of the plurality of connecting columns.
[0008] Preferably, the flattening mechanism includes two symmetrically arranged rotating shafts rotatably penetrating through between the two fixing plates. Pressing rollers are provided on the outer walls of the two rotating shafts. The two pressing rollers cooperate with each other.
[0009] Preferably, grooves are formed in the outer walls of the plurality of connecting columns, limiting blocks are arranged in the plurality of grooves, the plurality of limiting blocks are connected to the disc, limiting rods are arranged in the plurality of grooves, and the plurality of limiting rods respectively penetrate through the plurality of limiting blocks and are slidably connected thereto.
[0010] Preferably, gears are arranged on the outer walls of the two rotating shafts, the two gears are meshed with each other, a support plate is arranged at the upper end of the base, a power motor is arranged at the upper end of the support plate, and the end of one of the rotating shafts is connected to the end of the output shaft of the power motor.
[0011] Preferably, the plurality of limiting blocks and the grooves are elastically connected by springs, and the plurality of springs are respectively sleeved on the outer walls of the plurality of limiting rods.
[0012] Advantages of the present utility model:
[0013] 1. By rotating the two rotating shafts to drive the two squeezing rollers to perform movements with the same rotational speed but different directions, the two squeezing rollers can apply oil to the graphite sheet, so that the graphite sheet can be cut in a flat state, improving the accuracy.
[0014] 2. By deforming the plurality of springs to generate a reaction force, a downward squeezing force can be given to the limiting frame, so as to achieve the effect of fixing the position of the graphite sheet and improving the accuracy of cutting the graphite sheet. Description of the drawings
[0015] Figure 1 is a front view schematic diagram of the overall structure of the present utility model;
[0016] Figure 2 is a side view schematic diagram of the overall structure of the present utility model;
[0017] Figure 3 is a sectional view of the upper view structure of the present utility model.
[0018] In the figure: 1 base, 2 fixed frame, 3 telescopic cylinder, 4 disc, 5 fixing plate, 6 rotating shaft, 7 squeezing roller, 8 transmission rod, 9 gear, 10 power motor, 11 cutting groove, 12 connecting column, 13 limiting frame, 14 groove, 15 limiting rod, 16 spring. Specific embodiments
[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.
[0020] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present utility model.
[0021] Referring to Figures 1-3 , a graphite sheet cutting device, including a base 1, a fixed frame 2 is provided at the upper end of the base 1, two symmetrically arranged telescopic cylinders 3 are provided through the fixed frame 2, a disc 4 is jointly provided at the ends of the telescopic ends of the two telescopic cylinders 3, a cutting knife is provided at the lower end of the disc 4, a cutting groove 11 matching the cutting knife is opened at the upper end of the base 1, and a limiting mechanism for limiting the graphite sheet is provided on the disc 4. The limiting mechanism includes a plurality of circumferentially arranged connecting columns 12 slidably connected through the disc 4. The number of the plurality of connecting columns 12 is four, and a limiting frame 13 is jointly connected at the lower ends of the plurality of connecting columns 12.
[0022] Two symmetrically arranged fixing plates 5 are provided at the upper end of the base 1. A plurality of transmission rods 8 are provided between the two fixing plates 5. A flattening mechanism for flattening the graphite sheet is provided between the two fixing plates 5. The flattening mechanism includes two symmetrically arranged rotating shafts 6 rotatably connected through the two fixing plates 5. Extrusion rollers 7 are provided on the outer walls of the two rotating shafts 6. The two extrusion rollers 7 cooperate with each other. By rotating the two rotating shafts 6, the two extrusion rollers 7 are driven to perform movements with the same rotational speed but different directions, so as to flatten the graphite sheet by the two extrusion rollers 7, and cut the graphite sheet in a flat state to improve the accuracy.
[0023] Grooves 14 are jointly opened on the outer walls of the plurality of connecting columns 12. Limit blocks are provided in the plurality of grooves 14. The plurality of limit blocks are all connected to the disc 4. Limit rods 15 are provided in the plurality of grooves 14. The plurality of limit rods 15 respectively penetrate through the plurality of limit blocks and are slidably connected thereto.
[0024] Gears 9 are provided on the outer walls of the two rotating shafts 6. The two gears 9 are meshed with each other. A support plate is provided at the upper end of the base 1. A power motor 10 is provided on the upper end of the support plate. The end of one of the rotating shafts 6 is connected to the end of the output shaft of the power motor 10.
[0025] The plurality of limit blocks and the grooves 14 are elastically connected through springs 16. The plurality of springs 16 are respectively sleeved on the outer walls of the plurality of limit rods 15. By deforming the plurality of springs 16 to generate a reaction force, a downward pressing force is given to the limit frame 13, so as to achieve the effect of fixing the position of the graphite sheet and improve the accuracy of cutting the graphite sheet.
[0026] When the utility model is in use and cutting the graphite sheet, place the graphite sheet on the outer walls of a plurality of transmission rods 8 for transmission and make the graphite sheet pass through between two extrusion rollers 7. Start the power motor 10 to drive one of the rotating shafts 6 to rotate. Utilize the meshing of the gears 9 between the two rotating shafts 6 to make the two rotating shafts 6 rotate to drive the two extrusion rollers 7 to perform movements with the same rotational speed but different directions, so as to lubricate the graphite sheet, make the graphite sheet in a flat state for cutting, and improve the accuracy.
[0027] When the two telescopic cylinders 3 push the disc 4 downward, make the limiting frame 13 at the lower end of the disc 4 contact with the graphite sheet. With the continuous downward movement of the disc 4 and the cooperation of the plurality of limiting blocks and the grooves 14 between the plurality of connecting columns 12 and the disc 4, make the plurality of limiting blocks move downward on the outer walls of the plurality of limiting rods 15, so that the plurality of springs 16 are deformed to generate a reaction force, thereby giving a downward extrusion force to the limiting frame 13, so as to achieve the effect of fixing the position of the graphite sheet and improve the accuracy of cutting the graphite sheet.
[0028] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the utility model, according to the technical solution of the utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the utility model.
Claims
1. A graphite sheet cutting device, comprising a base (1), characterized in that, The upper end of the base (1) is provided with a fixed frame (2). Two symmetrically arranged telescopic cylinders (3) penetrate through the fixed frame (2). The ends of the telescopic ends of the two telescopic cylinders (3) are jointly provided with a disc (4). A cutting knife is provided at the lower end of the disc (4). A cutting groove (11) matching the cutting knife is formed in the upper end of the base (1). A limiting mechanism for limiting the graphite sheet is provided on the disc (4). Two symmetrically arranged fixing plates (5) are provided at the upper end of the base (1). A plurality of transmission rods (8) are arranged between the two fixing plates (5). A flattening mechanism for flattening the graphite sheet is provided between the two fixing plates (5).
2. The graphite sheet cutting device according to claim 1, characterized in that, The limiting mechanism includes a plurality of circumferentially arranged connecting columns (12) slidably connected through the disc (4). The number of the plurality of connecting columns (12) is four. A limiting frame (13) is jointly connected to the lower ends of the plurality of connecting columns (12).
3. The graphite sheet cutting device according to claim 2, wherein, The flattening mechanism includes two symmetrically arranged rotating shafts (6) rotatably connected through the two fixing plates (5). Extrusion rollers (7) are provided on the outer walls of the two rotating shafts (6). The two extrusion rollers (7) cooperate with each other.
4. A graphite sheet cutting device according to claim 3, wherein, Grooves (14) are jointly formed on the outer walls of the plurality of connecting columns (12). Limiting blocks are provided in the plurality of grooves (14). The plurality of limiting blocks are all connected to the disc (4). Limiting rods (15) are provided in the plurality of grooves (14). The plurality of limiting rods (15) respectively penetrate through the plurality of limiting blocks and are slidably connected to them.
5. A graphite sheet cutting device according to claim 4, wherein Gears (9) are provided on the outer walls of the two rotating shafts (6). The two gears (9) are meshed with each other. A support plate is provided at the upper end of the base (1). A power motor (10) is provided on the upper end of the support plate. The end of one of the rotating shafts (6) is connected to the end of the output shaft of the power motor (10).
6. The graphite sheet cutting device according to claim 5, characterized in that, The plurality of limiting blocks and the grooves (14) are elastically connected through springs (16). The plurality of springs (16) are respectively sleeved on the outer walls of the plurality of limiting rods (15).