Carbonized graphite film production device capable of ensuring uniform thickness
By designing an open roll receiving mechanism and an electromagnet-controlled support block, the problem of cumbersome connection between the semi-finished film roll and the calendering device was solved, realizing efficient production and uniform calendering of carbonized graphite film, and improving production efficiency and finished product quality.
Patent Information
- Application Number
- CN202520553792.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Existing graphite film production equipment has a cumbersome operation process when connecting semi-finished film rolls to the calendering unit, which affects calendering efficiency.
A carbonized graphite film production device was designed to ensure uniform thickness. It adopts an open roll receiving mechanism and a sliding vertical plate, combined with an electromagnet-controlled support block, to achieve rapid loading and unloading and uniform calendering of semi-finished film.
It improves the production efficiency and uniformity of carbonized graphite films, ensures that the calendering process is carried out at the optimal temperature, and is suitable for the production of films of various thicknesses.
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Figure CN223892101U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to carbonized graphite film production technical field, concretely is a kind of carbonized graphite film production device that can guarantee thickness uniformity. BACKGROUND
[0002] Carbonized graphite film refers to the thin film material with highly ordered graphite structure obtained by carbonization and graphitization treatment to carbon-containing material, and carbonized graphite film has excellent thermal conductivity, and has important application in the field of electronic equipment heat dissipation, new energy battery thermal management, to assist equipment rapid heat dissipation, improve operating stability and service life, and carbonized graphite film is chemically stable, so carbonized graphite film is widely applied in many fields.
[0003] Carbonized graphite film is formed by carbonization and graphitization process during production, and the formed semi-finished film is calendered, so that the structure of carbonized graphite film is more dense, and the performance is improved, and the current carbonized graphite film calendering device needs to install the semi-finished film after carbonization and graphitization into the device for calendering, but the connecting process of semi-finished film roll and calendering device needs to disassemble and install the receiving roller from the device, which is complicated to operate, and affects the calendering efficiency of carbonized graphite film. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of carbonized graphite film production device that can guarantee thickness uniformity, and the reel receiving mechanism of one side open is provided in the device to solve the problems in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of carbonized graphite film production device that can guarantee thickness uniformity, including base, the upper surface of the base is fixedly installed with No.
[0006] Preferably, one end of the feeding roller is rotatably mounted on the surface of the first support plate, the other end of the feeding roller is engagedly connected with the circular groove provided on the surface of the vertical plate, the vertical plate is slidably connected in the L-shaped sliding groove provided on the upper surface of the base, the surface of the vertical plate is provided with a square clamping groove, the square clamping groove on the surface of the vertical plate is engagedly connected with a clamping block, the clamping block is L-shaped, the other end of the clamping block is slidably connected with the side surface of the second support plate, the length of the sliding groove on the surface of the second support plate is greater than the height of the vertical plate, the surface of the first support plate is symmetrically provided with a receiving roller opposite to the feeding roller, one end of the receiving roller is rotatably connected with the surface of the first support plate, the other side surface of the first support plate is fixedly provided with a first motor, the output end of the first motor is fixedly connected with the rotating shaft of the receiving roller, and the other end of the receiving roller is provided with the same vertical plate and clamping block as the feeding roller.
[0007] By using the vertical plate and the clamping block, one side of the feeding roller and the receiving roller can be quickly opened to facilitate the feeding and discharging of the semi-finished product film.
[0008] Preferably, a double-stage calendering structure is arranged between the feeding roller and the receiving roller, and the double-stage calendering structure realizes uniform calendering process of the semi-finished graphite film through two groups of calendering mechanisms.
[0009] By using the double-stage calendering structure, the semi-finished graphite film can be uniformly calendered.
[0010] Preferably, the double-stage calendering structure comprises an upper calendering roller, both ends of the upper calendering roller are rotatably connected with the surfaces of the first support plate and the second support plate, a second motor is fixedly mounted on the surface of the first support plate, the output end of the second motor is fixedly connected with the rotating shaft of the upper calendering roller, a lower calendering roller is arranged below the upper calendering roller, the rotating shafts of the lower calendering roller are in contact with the surfaces of the first support plate and the second support plate, a pre-calendering roller is arranged on one side of the upper calendering roller and the lower calendering roller, two pre-calendering rollers are arranged in parallel on the upper calendering roller and the lower calendering roller, and both ends of the pre-calendering roller are rotatably arranged on the surfaces of the first support plate and the second support plate.
[0011] By using the upper calendering roller and the lower calendering roller, the graphite film can be uniformly calendered.
[0012] Preferably, the upper calendering roller and the lower calendering roller are hollow, and the inner walls of the upper calendering roller and the lower calendering roller are respectively provided with meshed electric heating wires, a supporting structure is arranged below the lower calendering roller, and the supporting structure drives the lower calendering roller to move upward to approach the upper calendering roller to calender the semi-finished product film.
[0013] By using the electric heating wires, the upper calendering roller and the lower calendering roller can be heated to increase the calendering efficiency.
[0014] Preferably, the supporting structure comprises supporting blocks, the supporting blocks are half-ring structure magnetic block structures, two of the supporting blocks are symmetrically arranged, and the two supporting blocks are slidably connected to surfaces of a first supporting plate and a second supporting plate respectively, upper surfaces of the supporting blocks are in contact with a rotating shaft surface of the lower pressing roller, an electromagnet is arranged below each of the supporting blocks, the two electromagnets are fixedly installed on surfaces of the first supporting plate and the second supporting plate respectively, the two electromagnets have the same number of coil turns, the two electromagnets are connected in series with the same power supply, and magnetic poles between the electromagnets and the supporting blocks repel each other.
[0015] By adopting the technical scheme, the supporting blocks can drive the lower pressing roller to move close to the upper pressing roller.
[0016] Compared with the prior art, the carbonized graphite film production device can guarantee uniform thickness.
[0017] 1. The feeding roller and the receiving roller in the device are both open on one side, and a sliding vertical plate is arranged correspondingly, the sliding vertical plate can quickly open the one side of the feeding roller and the receiving roller, and the sliding vertical plate is limited by the sliding clamping block, so that the feeding and discharging processes are more efficient, and the production efficiency is improved.
[0018] 2. A set of pre-pressing rollers are arranged on one side of the upper pressing roller and the lower pressing roller, the pre-pressing rollers can preliminarily flatten and pre-press the semi-finished film before calendering, so as to eliminate the uneven surface of the semi-finished film and improve the uniformity of the graphite film product, the upper pressing roller and the lower pressing roller are hollow, and an electric heating wire is arranged in the upper pressing roller and the lower pressing roller, the electric heating wire can control the temperature, so that the calendering process is carried out at the best temperature, and the product performance is improved.
[0019] 3. The upper pressing roller is fixed, and the lower pressing roller can move under the action of the sliding supporting blocks, so as to adjust the distance between the lower pressing roller and the upper pressing roller, adapt to the production of semi-finished films of various thickness specifications, control the supporting blocks by the electromagnets, set the same number of coil turns on the electromagnets on both sides, and connect the electromagnets in series with the same power supply, so that the magnetic forces generated by the electromagnets on both sides are equal, and the movement of the lower pressing roller is prevented from deviating and affecting the uniformity of the finished film. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a front view structural schematic diagram of the utility model;
[0021] Figure 2 It is a rear view structural schematic diagram of the utility model;
[0022] Figure 3 It is a vertical plate sliding structure schematic diagram of the utility model;
[0023] Figure 4The utility model discloses a bearing block and electromagnet structure schematic view;
[0024] Figure 5 The utility model discloses upper pressure roll and lower pressure roll side sectional structure schematic view;
[0025] Figure 6 The utility model discloses no. 2 support plate side sectional structure schematic view.
[0026] In the drawing: 1, base plate;2, no. 1 support plate;3, no. 2 support plate;4, feeding roller;5, receiving roller;6, no. 1 motor;7, vertical plate;8, clamping block;9, upper pressure roll;10, lower pressure roll;11, no. 2 motor;12, electric heating wire;13, bearing block;14, electromagnet;15, pre-pressing roller. Specific embodiments
[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of the utility model.
[0028] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a kind of carbonized graphite film production device that can guarantee thickness uniformity, including base plate 1, no. 1 support plate 2, no. 2 support plate 3, feeding roller 4, receiving roller 5, no. 1 motor 6, vertical plate 7, clamping block 8, upper pressure roll 9, lower pressure roll 10, no. 2 motor 11, electric heating wire 12, bearing block 13, electromagnet 14, pre-pressing roller 15.
[0029] The upper surface of the base 1 is fixedly provided with a first supporting plate 2 and a second supporting plate 3, the first supporting plate 2 and the second supporting plate 3 are symmetrically arranged, the length of the first supporting plate 2 is greater than that of the second supporting plate 3, and the upper surface of the base 1 is provided with a material receiving structure, the material receiving structure realizes the quick loading and unloading process of the semi-finished film roll through a feeding roller 4 and a receiving roller 5, the material receiving structure comprises the feeding roller 4 and the receiving roller 5, the feeding roller 4 and the receiving roller 5 are symmetrically arranged above the base 1, one end of the feeding roller 4 is rotatably arranged on the surface of the first supporting plate 2, the other end of the feeding roller 4 is clamped and connected with a circular groove arranged on the surface of a vertical plate 7, the vertical plate 7 is slidably connected in an L-shaped sliding groove arranged on the upper surface of the base 1, a square clamping groove is arranged on the surface of the vertical plate 7, a clamping block 8 is clamped and connected in the square clamping groove on the surface of the vertical plate 7, the clamping block 8 is L-shaped, the other end of the clamping block 8 is slidably connected to the side surface of the second supporting plate 3, and the length of the sliding groove on the surface of the second supporting plate 3 is greater than the height of the vertical plate 7, the surface of the first supporting plate 2 is symmetrically provided with the receiving roller 5 opposite to the feeding roller 4, one end of the receiving roller 5 is rotatably connected to the surface of the first supporting plate 2, a first motor 6 is fixedly arranged on the other side surface of the first supporting plate 2, the output end of the first motor 6 is fixedly connected with the rotating shaft of the receiving roller 5, and the other end of the receiving roller 5 is provided with the same vertical plate 7 and clamping block 8 as the feeding roller 4;
[0030] As shown in Figure 1 and Figure 3 When the device is used, the clamping block 8 is slid upward on the side surface of the second supporting plate 3, so that the clamping block 8 is separated from the square clamping groove of the vertical plate 7, at this time, the vertical plate 7 is slid on the surface of the base 1, one side of the feeding roller 4 is exposed, the semi-finished film roll after carbonization and graphitization treatment is sleeved on the outer surface of the feeding roller 4, the vertical plate 7 is reversely slid, the circular groove on the surface of the vertical plate 7 is re-clamped with the feeding roller 4, and the vertical plate 7 is limited by the clamping block 8, in the same way, the receiving roll is installed with the receiving roller 5, one end of the semi-finished film is led out from the feeding roller 4, passes through two pre-rollers 15, passes through between the upper roller 9 and the lower roller 10, and is finally fixed on the receiving roller 5, so that the assembly of the device is completed.
[0031] A double-stage calendering structure is arranged between the feeding roller 4 and the receiving roller 5, and the double-stage calendering structure is used to uniformly calender the semi-finished graphite film through two groups of calendering mechanisms. The double-stage calendering structure comprises an upper compression roller 9, both ends of the upper compression roller 9 are rotatably connected to the surfaces of the first support plate 2 and the second support plate 3, the surface of the first support plate 2 is fixedly installed with a second motor 11, the output end of the second motor 11 is fixedly connected with the rotating shaft of the upper compression roller 9, a lower compression roller 10 is arranged below the upper compression roller 9, the rotating shafts of the lower compression roller 10 are in contact with the surfaces of the first support plate 2 and the second support plate 3, a pre-compression roller 15 is arranged on one side of the upper compression roller 9 and the lower compression roller 10, two pre-compression rollers 15 are arranged in parallel, both ends of the pre-compression roller 15 are rotatably connected to the surfaces of the first support plate 2 and the second support plate 3, the upper compression roller 9 and the lower compression roller 10 are hollow, and the inner walls of the upper compression roller 9 and the lower compression roller 10 are respectively provided with a meshed electric heating wire 12, a supporting structure is arranged below the lower compression roller 10, the supporting structure drives the lower compression roller 10 to move upward to approach the upper compression roller 9 to calender the semi-finished film, the supporting structure comprises a supporting block 13, the supporting block 13 is a magnetic block structure in a semi-circular ring structure, two supporting blocks 13 are symmetrically arranged, the two supporting blocks 13 are respectively slidably connected to the surfaces of the first support plate 2 and the second support plate 3, the upper surface of the supporting block 13 is in contact with the surface of the rotating shaft of the lower compression roller 10, an electromagnet 14 is arranged below each supporting block 13, the two electromagnets 14 are respectively fixedly installed on the surfaces of the first support plate 2 and the second support plate 3, the number of turns of the coils on the surfaces of the two electromagnets 14 is the same, the two electromagnets 14 are connected in series with the same power supply, and the magnetic poles between the electromagnet 14 and the supporting block 13 repel each other.
[0032] As shown in Figure 2 , Figure 4 , Figure 5 and Figure 6 , the electric heating wires 12 in the upper compression roller 9 and the lower compression roller 10 are turned on, the electromagnet 14 is started, the electromagnet 14 generates a magnetic force when electrified, the magnetic force of the electromagnet 14 is used to push the supporting block 13 to slide upward, the sliding supporting block 13 drives the lower compression roller 10 to approach the upper compression roller 9, the size of the magnetic force of the electromagnet 14 can be adjusted to control the distance between the lower compression roller 10 and the upper compression roller 9, so as to adapt to different semi-finished films, the second motor 11 is started to drive the upper compression roller 9 to rotate, the first motor 6 is started to drive the receiving roller 5 to rotate, the semi-finished film is preliminarily flattened by the pre-compression roller 15 and then is secondarily calendered by the upper compression roller 9 and the lower compression roller 10, so as to increase the uniformity of the finished film.
[0033] Working principle: when using the carbonized graphite film production device capable of ensuring uniform thickness, the sliding vertical plate 7 exposes one side of the feeding roller 4, the semi-finished film roll is installed, then the sliding vertical plate 7 is reversed, the clamping block 8 is used for limiting, the receiving roller and the receiving roller 5 are installed in the same way, so that the semi-finished film and the device are quickly assembled, the heating wire 12 is turned on to heat the upper compression roller 9 and the lower compression roller 10, the electromagnet 14 is started, the magnetic force of the electromagnet 14 is used to push the supporting block 13 to slide, so as to adjust the distance between the lower compression roller 10 and the upper compression roller 9, the semi-finished film is flattened by the preliminary compression roller 15, then is calendered by the upper compression roller 9 and the lower compression roller 10, the uniformity of the finished film is increased by two times of calendering, and the practicability of the whole is increased.
[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A device for producing carbonized graphite film with uniform thickness, comprising a base (1), wherein a first support plate (2) and a second support plate (3) are fixedly mounted on the upper surface of the base (1), the first support plate (2) and the second support plate (3) are symmetrically arranged, and the length of the first support plate (2) is greater than that of the second support plate (3), characterized in that: The upper surface of the base (1) is provided with a receiving structure. The receiving structure realizes the rapid loading and unloading process of the semi-finished film roll through the feeding roller (4) and the receiving roller (5). The receiving structure includes the feeding roller (4) and the receiving roller (5), which are symmetrically arranged above the base (1).
2. The apparatus for producing carbonized graphite film with uniform thickness according to claim 1, characterized in that: One end of the feeding roller (4) is rotatably mounted on the surface of the first support plate (2), and the other end of the feeding roller (4) is engaged with a circular groove on the surface of the upright plate (7). The upright plate (7) is slidably connected in an L-shaped groove on the upper surface of the base (1). A square slot is provided on the surface of the upright plate (7), and a locking block (8) is engaged in the square slot on the surface of the upright plate (7). The locking block (8) is L-shaped, and the other end of the locking block (8) is slidably connected to the side surface of the second support plate (3). The length of the slide on the surface of the plate (3) is greater than the height of the upright plate (7). The surface of the first support plate (2) is symmetrically provided with a receiving roller (5) to the feeding roller (4). One end of the receiving roller (5) is rotatably connected to the surface of the first support plate (2). The other side surface of the first support plate (2) is fixedly provided with a first motor (6). The output end of the first motor (6) is fixedly connected to the rotating shaft of the receiving roller (5). The other end of the receiving roller (5) is provided with an upright plate (7) and a clamping block (8) that are the same as those at the feeding roller (4).
3. The apparatus for producing carbonized graphite films with uniform thickness according to claim 1, characterized in that: A dual-stage calendering structure is provided between the feeding roller (4) and the receiving roller (5). The dual-stage calendering structure realizes the uniform calendering process of the semi-finished graphite film through two sets of calendering mechanisms.
4. The apparatus for producing carbonized graphite film with uniform thickness according to claim 3, characterized in that: The dual-stage calendering structure includes an upper pressure roller (9), the two ends of which are rotatably connected to the surfaces of a first support plate (2) and a second support plate (3), respectively. A second motor (11) is fixedly installed on the surface of the first support plate (2), and the output end of the second motor (11) is fixedly connected to the rotating shaft of the upper pressure roller (9). A lower pressure roller (10) is provided below the upper pressure roller (9), and the two ends of the rotating shaft of the lower pressure roller (10) are in contact with the surfaces of the first support plate (2) and the second support plate (3), respectively. A pre-pressure roller (15) is provided on one side of the upper pressure roller (9) and the lower pressure roller (10), and two pre-pressure rollers (15) are arranged parallel to each other vertically. The two ends of the pre-pressure roller (15) rotate on the surfaces of the first support plate (2) and the second support plate (3), respectively.
5. The apparatus for producing carbonized graphite film with uniform thickness according to claim 4, characterized in that: The upper pressure roller (9) and the lower pressure roller (10) are hollow inside, and the inner walls of the upper pressure roller (9) and the lower pressure roller (10) are respectively provided with mesh heating wires (12). A support structure is provided below the lower pressure roller (10). The support structure drives the lower pressure roller (10) to move upward and close to the upper pressure roller (9) through the support block (13) to perform the calendering process on the semi-finished film.
6. The apparatus for producing carbonized graphite film with uniform thickness according to claim 5, characterized in that: The supporting structure includes a supporting block (13), which is a semi-circular ring magnetic block structure. Two supporting blocks (13) are symmetrically arranged. The two supporting blocks (13) are slidably connected to the surfaces of the first support plate (2) and the second support plate (3). The upper surface of the supporting block (13) is in contact with the rotating shaft surface of the lower pressure roller (10). An electromagnet (14) is provided below each supporting block (13). The two electromagnets (14) are fixedly installed on the surfaces of the first support plate (2) and the second support plate (3). The number of coil turns on the surfaces of the two electromagnets (14) is the same. The two electromagnets (14) are connected in series with the same power supply. The magnetic poles of the electromagnets (14) and the supporting blocks (13) repel each other.