Heat-conducting silica gel sheet calendering equipment

Abstract

The utility model discloses heat conduction silica gel sheet calendering equipment which comprises a concentric-square-shaped frame, a first pressing roller is rotationally installed on the inner wall of the concentric-square-shaped frame, a second pressing roller is installed on the inner wall of the concentric-square-shaped frame through a lifting assembly, and cleaning assemblies are installed on the outer wall of the first pressing roller and the outer wall of the second pressing roller. According to the heat-conducting silica gel sheet calendering equipment, driving motors on a first pressing roller and a second pressing roller drive corresponding roller shafts to synchronously rotate at the same speed, the roller shafts drive the first pressing roller and the second pressing roller to calender a heat-conducting silica gel sheet, and a second belt wheel drives a rotating shaft, a cleaning roller and a cleaning brush to rotate; the cleaning brush is used for cleaning adhesive materials calendered on the surfaces of the first press roll and the second press roll, and the scraping block is used for scraping the adhesive materials on the surfaces of the first press roll and the second press roll, so that the adhesive materials on the surfaces of the first press roll and the second press roll can be synchronously scraped and cleaned when the heat-conducting silica gel sheet is calendered, and the subsequent calendering quality can be prevented from being influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of heat-conducting silicone sheet production, in particular to a heat-conducting silicone sheet calendering device. Background Art

[0002] "Thermal conductive silicone sheet" is a thermal conductive medium material that is synthesized through a special process with silicone as the base material and various auxiliary materials such as metal oxides added. It is also called thermal conductive silicone pad, thermal conductive silicone sheet, soft thermal conductive pad and thermal conductive silicone gasket, etc. in the industry. It is specially produced for the design of transferring heat through gaps. It can fill the gaps to open up the heat channel between the heating part and the heat dissipation part, effectively improve the heat transfer efficiency, and also play the role of insulation, shock absorption, sealing, etc. It can meet the design requirements of miniaturization and ultra-thinness of equipment. It is highly processable and practical, and has a wide range of applicable thicknesses. It is an excellent thermal conductive filling material.

[0003] A calendering device for producing thermally conductive silicone sheets is disclosed in the patent number CN202021651122.4, comprising a workbench, characterized in that a fixed box is fixedly installed on the top left side of the workbench, two first calendering wheels are movably installed inside the fixed box, film discharge rollers are fixedly installed on both sides of the top left and right sides of the fixed box, guide wheels are movably installed between the front and rear side walls of the inner cavity of the fixed box, a fixed frame is fixedly installed on the top right side of the workbench, a second calendering wheel is movably installed between the front and rear side walls of the inner cavity of the fixed frame, a motor is fixedly installed on the front of the fixed frame, the output shaft of the motor is fixedly connected to the second calendering wheel, and movable blocks extending to the inside of the fixed frame are movably installed in the front and rear side walls of the fixed frame. The utility model adjusts the height of the U-shaped bracket by turning the handle, so as to facilitate the calendering of thermally conductive silicone sheets of different thicknesses. The structure is easy to adjust, simple to operate, and saves time and energy.

[0004] The above device has certain shortcomings when used: the above device can calender thermally conductive silicone sheets of different thicknesses, but during calendering, the second calendering wheel and the third calendering wheel will be sticky with sticky materials. If they are not cleaned in time, the subsequent production effect of the thermally conductive silicone sheets will be affected.

[0005] Therefore, the utility model provides a thermal conductive silicone sheet calendering device to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a thermally conductive silicone sheet calendering device to solve the above problems.

[0007] To achieve the above purpose, the utility model is implemented by the following technical scheme: a heat-conducting silicone sheet calendering device, comprising a circular frame, a first pressing roller is rotatably installed on the inner wall of the circular frame, a second pressing roller is installed on the inner wall of the circular frame through a lifting assembly, and the outer walls of the first pressing roller and the second pressing roller are both installed with cleaning assemblies;

[0008] The cleaning assembly includes a roller shaft, the right end of the roller shaft is fixedly connected to the first pulley through the lifting assembly via a bearing, a mounting seat is installed on the rear wall of the lifting assembly, the adjacent sides of the top of the mounting seat are fixedly connected to the same connecting rod, the outer wall of the connecting rod is fixedly connected to a scraper block, the adjacent sides of the bottom of the mounting seat are rotatably connected to the same rotating shaft, the outer wall of the rotating shaft is fixedly connected to a cleaning roller, a number of cleaning brushes are evenly installed on the outer wall of the cleaning roller, the right end of the rotating shaft is fixedly connected to the second pulley through the mounting seat via a bearing, and the side wall of the lifting assembly is fixedly connected to a driving motor.

[0009] Through the above technical scheme and the setting of the cleaning component, when the thermal conductive silicone sheet is calendered, the outer walls of the No. 1 and No. 2 pressure rollers can be scraped clean by the cooperation of the scraper block and the cleaning brush, and have good transmission performance during use.

[0010] Furthermore, the outer wall of the roller shaft is fixedly connected to the inside of the No. 2 pressure roller, the left and right ends of the roller shaft rotate with the side walls of the lifting assembly, the scraper block is fitted with the outer wall of the No. 2 pressure roller, the No. 2 pulley and the No. 1 pulley are connected by belt transmission, and the power shaft of the drive motor passes through the lifting assembly and is fixedly connected to the roller shaft through a bearing.

[0011] Through the above technical solution, the driving motor works through an external power connection and drives the corresponding roller shaft to rotate. When the No. 1 pressure roller and the No. 2 pressure roller are rotating, the sticky material attached to the surface of the No. 1 pressure roller and the No. 2 pressure roller is scraped off by the scraper block.

[0012] Furthermore, the lifting assembly includes an electric push rod, which is fixedly connected to the top wall of the circular frame, the side walls of the circular frame are provided with sliding grooves, the front and rear walls of the sliding grooves are provided with limiting grooves, the inner walls of the sliding grooves are slidably installed with sliding seats, the front and rear walls of the sliding seats are fixedly connected to the limiting seats, and the outer walls of the limiting seats are slidably connected to the corresponding inner walls of the limiting grooves.

[0013] Through the above technical solution, the electric push rod works through an external power supply connection and drives the circular frame to move downward.

[0014] Furthermore, the rear wall of the limit seat at the rear is fixedly connected to the corresponding front wall of the mounting seat, the adjacent side of the sliding seat is rotatably connected to the roller shaft, the right end of the roller shaft passes through the corresponding sliding seat and is fixedly connected to the No. 1 pulley via a bearing, the side wall of the sliding seat located on the left is fixedly connected to the drive motor, and the power shaft of the drive motor passes through the sliding seat and is fixedly connected to the roller shaft via a bearing.

[0015] Through the above technical solution, the limiting seat drives the mounting seat to move when moving, and the driving motor drives the corresponding roller shaft to rotate.

[0016] Furthermore, the top walls of the sliding seats are fixedly connected to the same U-shaped frame, and the movable end of the electric push rod slides through the circular frame and is fixedly connected to the top wall of the U-shaped frame.

[0017] Through the above technical solution, the movable end of the electric push rod drives the U-shaped frame and the sliding seat to move up and down.

[0018] Furthermore, both left and right sides of the top wall of the U-shaped frame are fixedly connected with limiting rods, and the top ends of the limiting rods slide through the circular frame and extend to the outside.

[0019] Through the above technical solution, the U-shaped frame drives the limit rod to move when moving, thereby preventing position deviation from occurring during movement.

[0020] Furthermore, the left and right sides of the bottom wall of the circular frame are fixedly connected with support seats.

[0021] Through the above technical solution, the support base has a supporting function for the entire device.

[0022] Beneficial Effects

[0023] The utility model provides a thermal conductive silicone sheet calendering device. Compared with the prior art, it has the following beneficial effects:

[0024] (1) The thermal conductive silicone sheet calendering equipment drives the corresponding rollers to rotate synchronously and at the same speed through the driving motors on the No. 1 pressure roller and the No. 2 pressure roller. The rollers drive the No. 1 pressure roller and the No. 2 pressure roller to calender the thermal conductive silicone sheet. The rollers drive the No. 1 pulley to rotate, the belt drives the No. 2 pulley to rotate, and the No. 2 pulley drives the rotating shaft, the cleaning roller and the cleaning brush to rotate. The cleaning brush cleans the sticky material on the surface of the No. 1 pressure roller and the No. 2 pressure roller. The scraper scrapes off the sticky material on the surface. When the thermal conductive silicone sheet is calendered, the sticky material on the surface of the No. 1 pressure roller and the No. 2 pressure roller can be scraped off and cleaned synchronously, which can prevent the subsequent calendering quality from being affected.

[0025] (2) The thermal conductive silicone sheet calendering equipment pushes the U-shaped frame and the limit rod downward by an electric push rod, and the sliding seat slides downward in the inner wall of the sliding groove. The sliding seat drives the limit seat to slide downward in the inner wall of the limit groove. The sliding seat drives the second pressure roller to approach the first pressure roller and drives the cleaning component to move downward. After the spacing between the first pressure roller and the second pressure roller is adjusted to match the thickness of the thermal conductive silicone sheet, thermal conductive silicone sheets of different thicknesses can be calendered, which can improve the working range and practicality of the entire device and is more convenient to adjust during actual processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is the front view of the external structure of the utility model;

[0027] Figure 2 It is a front view of the external structure of the utility model;

[0028] Figure 3 It is a three-dimensional diagram of the external structure of the cleaning component and the lifting component of the utility model;

[0029] Figure 4 It is a rear view of the external structure of the utility model.

[0030] In the figure, 1, circular frame; 2, supporting seat; 3, pressure roller No. 1; 4, pressure roller No. 2; 5, cleaning assembly; 51, roller shaft; 52, pulley No. 1; 53, mounting seat; 54, connecting rod; 55, scraper block; 56, rotating shaft; 57, pulley No. 2; 58, cleaning roller; 59, cleaning brush; 510, driving motor; 6, lifting assembly; 61, electric push rod; 62, limiting rod; 63, U-shaped frame; 64, limiting slot; 65, sliding slot; 66, limiting seat; 67, sliding seat. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Embodiment 1:

[0033] See also Figure 1-4 A thermal conductive silicone sheet calendering device comprises a circular frame 1, a first pressing roller 3 is rotatably installed on the inner wall of the circular frame 1, a second pressing roller 4 is installed on the inner wall of the circular frame 1 through a lifting component 6, and a cleaning component 5 is installed on the outer walls of the first pressing roller 3 and the second pressing roller 4;

[0034] The cleaning assembly 5 includes a roller shaft 51, the right end of the roller shaft 51 passes through the lifting assembly 6 through a bearing and is fixedly connected to a first pulley 52, a mounting seat 53 is installed on the rear wall of the lifting assembly 6, a connecting rod 54 is fixedly connected to the adjacent side of the top of the mounting seat 53, a scraper block 55 is fixedly connected to the outer wall of the connecting rod 54, a rotating shaft 56 is rotatably connected to the adjacent side of the bottom of the mounting seat 53, a cleaning roller 58 is fixedly connected to the outer wall of the rotating shaft 56, and a number of cleaning brushes 59 are evenly installed on the outer wall of the cleaning roller 58, the right end of the rotating shaft 56 passes through the mounting seat 53 through a bearing and is fixedly connected to a second pulley 57, and a driving motor 510 is fixedly connected to the side wall of the lifting assembly 6;

[0035] In the embodiment of the utility model, the purpose of this arrangement is that, through the arrangement of the cleaning component 5, the sticky material attached to the No. 1 pressing roller 3 and the No. 2 pressing roller 4 can be cleaned, so as to prevent the subsequent calendering effect from being affected, thereby improving the calendering quality of the thermally conductive silicone sheet.

[0036] Embodiment 2:

[0037] See also Figure 1-4 This embodiment provides a technical solution based on the first embodiment: the outer wall of the roller 51 is fixedly connected to the inside of the second pressure roller 4, the left and right ends of the roller 51 rotate with the side walls of the lifting assembly 6, the scraper block 55 is in contact with the outer wall of the second pressure roller 4, the second pulley 57 and the first pulley 52 are connected by belt transmission, the power shaft of the driving motor 510 passes through the lifting assembly 6 through the bearing and is fixedly connected to the roller 51, the lifting assembly 6 includes an electric push rod 61, the electric push rod 61 is fixedly connected to the top wall of the circular frame 1, the side walls of the circular frame 1 are all provided with sliding grooves 65, the front and rear walls of the sliding grooves 65 are both provided with limiting grooves 64, the inner walls of the sliding grooves 65 are slidably installed with sliding seats 67, the front and rear walls of the sliding seats 67 are fixedly connected to the limiting seats 66, and the outer walls of the limiting seats 66 are slidably connected to the corresponding inner walls of the limiting grooves 64 The rear wall of the limiting seat 66 at the rear is fixedly connected to the corresponding front wall of the mounting seat 53, and the adjacent side of the sliding seat 67 is rotatably connected to the roller shaft 51. The right end of the roller shaft 51 passes through the corresponding sliding seat 67 through a bearing and is fixedly connected to the No. 1 pulley 52. ​​The side wall of the sliding seat 67 located on the left is fixedly connected to the driving motor 510. The power shaft of the driving motor 510 passes through the sliding seat 67 through a bearing and is fixedly connected to the roller shaft 51. The top wall of the sliding seat 67 is fixedly connected to the same U-shaped frame 63. The movable end of the electric push rod 61 slides through the circular frame 1 and is fixedly connected to the top wall of the U-shaped frame 63. The left and right sides of the top wall of the U-shaped frame 63 are fixedly connected to the limiting rod 62. The top end of the limiting rod 62 slides through the circular frame 1 and extends to the outside. The left and right sides of the bottom wall of the circular frame 1 are fixedly connected to the support seat 2.

[0038] In the embodiment of the utility model, the purpose of this arrangement is that the setting of the lifting component 6 can be used to calender silicone heat sinks of different thicknesses, and the overall adjustment method is simple. The lifting component 6 can be used to adjust the distance between the No. 1 pressing roller 3 and the No. 2 pressing roller 4, thereby completing production and processing required by different needs.

[0039] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0040] During operation, firstly, the electric push rod 61 and the driving motor 510 are connected through the external power supply and the controller. When the operation starts, the U-shaped frame 63 is pushed downward by the electric push rod 61. While the U-shaped frame 63 moves downward, it drives the limiting rod 62 to move downward, and drives the sliding seat 67 to slide downward in the inner wall of the sliding groove 65. The sliding seat 67 drives the limiting seat 66 to slide downward in the inner wall of the limiting groove 64. The sliding seat 67 drives the No. 2 pressure roller 4 to approach the No. 1 pressure roller 3, and drives the cleaning component 5 to move downward. After adjusting the spacing between the No. 1 pressure roller 3 and the No. 2 pressure roller 4 to match the thickness of the thermally conductive silicone sheet, the driving motors 510 on the No. 1 pressure roller 3 and the No. 2 pressure roller 4 are started at the same time, thereby driving the corresponding rollers at the same time. The shaft 51 rotates synchronously at the same speed, and the roller shaft 51 drives the No. 1 pressure roller 3 and the No. 2 pressure roller 4 to rotate while rotating. The No. 1 pressure roller 3 and the No. 2 pressure roller 4 calender the thermal conductive silicone sheet while rotating, and the roller shaft 51 drives the No. 1 pulley 52 to rotate while rotating, and the No. 1 pulley 52 drives the No. 2 pulley 57 to rotate under the transmission of the belt through the No. 1 pulley 52, and the No. 2 pulley 57 drives the rotating shaft 56 to rotate while rotating, and the rotating shaft 56 continues to drive the cleaning roller 58 and the cleaning brush 59 to rotate, and the cleaning brush 59 cleans the sticky material calendered on the surface of the No. 1 pressure roller 3 and the No. 2 pressure roller 4, and the scraper block 55 scrapes the sticky material on the surface of the No. 1 pressure roller 3 and the No. 2 pressure roller 4 when they rotate, so that the surface is clean and free of attachments when rotating and calendering.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A thermally conductive silicone sheet calendering device, comprising a circular frame (1), characterized in that: A first pressing roller (3) is rotatably mounted on the inner wall of the circular frame (1), a second pressing roller (4) is mounted on the inner wall of the circular frame (1) via a lifting assembly (6), and a cleaning assembly (5) is mounted on the outer walls of both the first pressing roller (3) and the second pressing roller (4); The cleaning assembly (5) comprises a roller shaft (51), the right end of the roller shaft (51) is fixedly connected to a first pulley (52) through a bearing passing through the lifting assembly (6), a mounting seat (53) is installed on the rear wall of the lifting assembly (6), the top adjacent side of the mounting seat (53) is fixedly connected to a same connecting rod (54), the outer wall of the connecting rod (54) is fixedly connected to a scraper block (55), the bottom adjacent side of the mounting seat (53) is rotatably connected to a same rotating shaft (56), the outer wall of the rotating shaft (56) is fixedly connected to a cleaning roller (58), the outer wall of the cleaning roller (58) is evenly installed with a plurality of cleaning brushes (59), the right end of the rotating shaft (56) is fixedly connected to a second pulley (57) through a bearing passing through the mounting seat (53), and the side wall of the lifting assembly (6) is fixedly connected to a driving motor (510).

2. The thermally conductive silicone sheet calendering device according to claim 1, characterized in that: The outer wall of the roller shaft (51) is fixedly connected to the inside of the second pressure roller (4); the left and right ends of the roller shaft (51) rotate with the side walls of the lifting assembly (6); the scraper block (55) is in contact with the outer wall of the second pressure roller (4); the second pulley (57) and the first pulley (52) are connected by belt transmission; and the power shaft of the driving motor (510) passes through the lifting assembly (6) and is fixedly connected to the roller shaft (51) through a bearing.

3. The thermally conductive silicone sheet calendering device according to claim 1, characterized in that: The lifting assembly (6) comprises an electric push rod (61), the electric push rod (61) is fixedly connected to the top wall of the circular frame (1), the side walls of the circular frame (1) are provided with sliding grooves (65), the front and rear walls of the sliding grooves (65) are provided with limiting grooves (64), the inner walls of the sliding grooves (65) are slidably mounted with sliding seats (67), the front and rear walls of the sliding seats (67) are fixedly connected to the limiting seats (66), and the outer walls of the limiting seats (66) are slidably connected to the corresponding inner walls of the limiting grooves (64).

4. The thermally conductive silicone sheet calendering device according to claim 3, characterized in that: The rear wall of the limiting seat (66) at the rear is fixedly connected to the front wall of the corresponding mounting seat (53); the adjacent side of the sliding seat (67) is rotatably connected to the roller shaft (51); the right end of the roller shaft (51) passes through the corresponding sliding seat (67) through a bearing and is fixedly connected to the first pulley (52); the side wall of the sliding seat (67) located on the left is fixedly connected to the driving motor (510); and the power shaft of the driving motor (510) passes through the sliding seat (67) through a bearing and is fixedly connected to the roller shaft (51).

5. The thermally conductive silicone sheet calendering device according to claim 3, characterized in that: The top wall of the sliding seat (67) is fixedly connected to the same U-shaped frame (63), and the movable end of the electric push rod (61) slides through the circular frame (1) and is fixedly connected to the top wall of the U-shaped frame (63).

6. The thermally conductive silicone sheet calendering device according to claim 5, characterized in that: The left and right sides of the top wall of the U-shaped frame (63) are fixedly connected to the limiting rods (62), and the top ends of the limiting rods (62) slide through the circular frame (1) and extend to the outside.

7. The thermally conductive silicone sheet calendering device according to claim 1, characterized in that: The left and right sides of the bottom wall of the circular frame (1) are fixedly connected with support seats (2).

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