Production equipment of electronic-grade polycrystalline silicon packaging protective film

Abstract

The utility model discloses production equipment for an electronic-grade polycrystalline silicon packaging protective film, belongs to the technical field of film processing, and aims to solve the technical problems that the angles among multiple layers of raw material films are too large before the protective film is compounded, the preheating of the multiple layers of raw material films is not facilitated, and the compounding effect is reduced in the prior art. The production equipment of the electronic-grade polycrystalline silicon packaging protective film comprises a fixed shell, the raw material film rollers are arranged at one end in the fixed shell; the number of the raw material film rollers is at least two; the finished product film roller is arranged at one end, far away from the raw material film roller, in the fixed shell; the positioning pressing roller and the movable pressing roller are arranged at the position, close to the finished product film roller, in the fixed shell, and a driving mechanism used for driving the movable pressing roller to be close to the positioning pressing roller is arranged on the fixed shell; the guide rollers are arranged in the fixed shell and close to the raw material film roller; and a pair of guide rollers are arranged. The production equipment for the electronic-grade polycrystalline silicon packaging protective film has a relatively high pressing effect and is high in adaptability.

Description

Technical Field

[0001] The utility model belongs to the technical field of film processing, and in particular relates to production equipment for electronic-grade polysilicon packaging protective film. Background Art

[0002] Electronic-grade polysilicon is an important electronic material. It is made from industrial silicon and purified through a series of physical and chemical reactions to reach a certain purity. It is an extremely important intermediate product in the silicon product industry chain. It is widely used in the manufacture of silicon polishing wafers, solar cells and high-purity silicon products. It is the most basic raw material for the information industry and new energy industry.

[0003] In order to standardize the production and application of electronic-grade polysilicon, electronic-grade polysilicon needs to be packaged and protected with a protective film. In order to make the protective film more effectively protect the electronic-grade polysilicon, the protective film needs to be composited in multiple layers during the production process. However, in the existing protective film production composite equipment, the angles between the multiple layers of raw material films are too large before composite, which is not conducive to the preheating of the multiple layers of raw material films and reduces the composite effect of the multiple layers of raw material films. Therefore, the present application proposes a production equipment for electronic-grade polysilicon packaging protective film. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a production equipment for electronic-grade polysilicon packaging protective film, aiming to solve the technical problem that under the prior art, the angles between the multiple layers of raw material films are too large before the protective film is compounded, which is not conducive to the preheating of the multiple layers of raw material films and reduces the compounding effect.

[0005] Technical Solution

[0006] In order to solve the above technical problems, the utility model provides a production equipment for electronic-grade polysilicon packaging protective film, comprising a fixed shell; a raw material film roller arranged at one end of the fixed shell, at least two raw material film rollers are arranged; a finished product film roller arranged in the fixed shell at one end away from the raw material film roller; a positioning pressure roller and a movable pressure roller arranged in the fixed shell near the finished product film roller, a driving mechanism for driving the movable pressure roller to approach the positioning pressure roller is arranged on the fixed shell; a guide roller is arranged in the fixed shell near the raw material film roller, a pair of guide rollers is arranged, and a support member for supporting the pair of guide rollers to approach is arranged on the fixed shell; the support member comprises a fixed sleeve fixed to the top wall and the bottom wall inside the fixed shell, a pair of the fixed sleeves have movable rods movably penetrated at the opposite ends thereof, a pair of the guide rollers are respectively installed at the ends of the two movable rods extending out of the fixed sleeves, a stopper is arranged at the end of the movable rod extending into the fixed sleeve, and a spring is arranged between the stopper and the end of the fixed sleeve away from the movable rod.

[0007] Preferably, a warm air mechanism is provided on the fixed shell, and the warm air mechanism is located between the guide roller and the positioning and pressing roller.

[0008] Preferably, the heating mechanism includes a frame fixedly embedded on the top and bottom walls of the fixed shell, a plurality of fans are installed side by side inside the frame, a heating wire is provided at one end of the frame facing the inside of the fixed shell, and a partition net is provided at one end of the frame facing the outside of the fixed shell.

[0009] Preferably, the driving mechanism includes a mounting frame located above the positioning pressure roller, a screw rod vertically fixed to the top of the mounting frame, and a threaded sleeve rotatably mounted on the top wall of the fixed shell, the screw rod passes through the top wall of the fixed shell and is threadably engaged with the threaded sleeve, and the movable pressure roller is rotatably mounted on the mounting frame.

[0010] Preferably, the driving mechanism further comprises a driven gear disk fixedly mounted on the threaded sleeve and a driving gear rotatably mounted on the fixed housing, the driving gear meshes with the driven gear disk, and a second motor for driving the driving gear to rotate is mounted on the fixed housing.

[0011] Preferably, the radius of the driven gear plate is greater than the radius of the driving gear.

[0012] Beneficial Effects

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model provides a warm air mechanism, during the composite film winding process, starts the fan in the frame to send air toward the fixed shell, and cooperates with the heating of the electric heating wire to preheat the raw material film before mold closing, thereby improving the film closing effect and the quality of the composite film.

[0015] In the utility model, by setting the guide rollers and the support parts, a pair of guide rollers are driven to approach each other under the push of the elastic force of the spring, so as to limit and guide the multi-layer raw material film, so that the multi-layer raw material film can be as close as possible before the film is closed, which can not only improve the preheating effect of the multi-layer raw material film, but also reduce the angle of the multi-layer raw material when passing through the positioning pressing roller and the movable pressing roller, which is beneficial to improve the film pressing effect.

[0016] In the utility model, by setting up the driving mechanism, the second motor is started to drive the driving gear to rotate, and the engagement of the driving gear and the driven gear plate is utilized to drive the threaded sleeve to rotate, which can force the screw rod to drive the movable clamping roller to rise and fall, and adjust the spacing between the positioning clamping roller and the movable clamping roller to be suitable for the production of composite films with different numbers of layers and different thicknesses, and has high adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the guide roller and the support member in the utility model;

[0020] Figure 3 It is a structural schematic diagram of the driving mechanism in the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the warm air mechanism in the utility model;

[0022] Figure 5 It is a structural schematic diagram of the support member in the utility model.

[0023] The markings in the attached drawings are: 1. fixed shell; 2. raw material film roller; 3. finished product film roller; 4. first motor; 5. positioning pressure roller; 6. movable pressure roller; 7. driving mechanism; 8. guide roller; 9. support member; 10. warm air mechanism; 11. mounting frame; 12. screw rod; 13. threaded sleeve; 14. driven gear plate; 15. driving gear; 16. second motor; 17. frame; 18. fan; 19. heating wire; 20. partition net; 21. fixed sleeve; 22. movable rod; 23. block; 24. spring. DETAILED DESCRIPTION

[0024] 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.

[0025] This embodiment provides a production device for electronic grade polysilicon packaging protective film, and its structural schematic diagram is as follows: Figure 1-Figure 5As shown, it includes a fixed shell 1; a raw material film roller 2 arranged at one end of the fixed shell 1, and at least two raw material film rollers 2 are arranged; a finished product film roller 3 arranged at one end of the fixed shell 1 away from the raw material film roller 2; a positioning pressure roller 5 and a movable pressure roller 6 arranged inside the fixed shell 1 close to the finished product film roller 3, and the fixed shell 1 is provided with a driving mechanism 7 for driving the movable pressure roller 6 to approach the positioning pressure roller 5; a guide roller 8 arranged in the fixed shell 1 close to the raw material film roller 2, and a pair of guide rollers 8 are provided, and the fixed shell 1 is provided with a support member 9 for supporting the pair of guide rollers 8 to approach each other. As a preferred technical solution in this embodiment, the support member 9 includes a fixed sleeve 21 fixed on the top and bottom walls inside the fixed shell 1, a pair of fixed sleeves 21 have movable rods 22 movably penetrated at the opposite ends thereof, a pair of guide rollers 8 are respectively installed at the ends of the two movable rods 22 extending out of the fixed sleeve 21, a stopper 23 is provided at the end of the movable rod 22 extending into the fixed sleeve 21, a spring 24 is provided between the stopper 23 and the end of the fixed sleeve 21 away from the movable rod 22, and under the push of the elastic force of the spring 24, a pair of guide rollers 8 are driven close to each other for limiting and guiding the multi-layer raw material film so that the multi-layer raw material film can be as close to each other as possible before the film is closed, which can not only improve the preheating effect of the multi-layer raw material film, but also reduce the angle of the multi-layer raw material when it is pressed by the positioning pressing roller 5 and the movable pressing roller 6. A warm air mechanism 10 is provided on the fixed shell 1, and the warm air mechanism 10 is located between the guide roller 8 and the positioning pressing roller 5. Through this structural method, the raw material film is sleeved on the raw material film roller 2, and the multi-layer raw material film passes through a pair of guide rollers 8 and between the positioning pressing roller 5 and the movable pressing roller 6 in sequence. The composite film is formed by extruding and compounding the positioning pressing roller 5 and the movable pressing roller 6, and then wound on the finished film roller 3, thereby realizing the lamination production of the multi-layer protective film.

[0026] As a preferred technical solution in this embodiment, the warm air mechanism 10 includes a frame 17 fixedly embedded on the top and bottom walls of the fixed shell 1, a plurality of fans 18 are installed side by side inside the frame 17, a heating wire 19 is provided at one end of the frame 17 facing the inside of the fixed shell 1, and a partition net 20 is provided at one end of the frame 17 facing the outside of the fixed shell 1. During the winding process of the composite film, the fan 18 in the frame 17 is started to supply air toward the fixed shell 1. Combined with the heating of the heating wire 19, the raw film can be preheated before the mold is closed, thereby improving the film closing effect and the quality of the composite film. The partition net 20 can block impurities in the air as much as possible.

[0027] As a preferred technical solution in this embodiment, the driving mechanism 7 includes a mounting frame 11 located above the positioning and pressing roller 5, a screw rod 12 vertically fixed on the top of the mounting frame 11, and a threaded sleeve 13 rotatably mounted on the top wall of the fixed shell 1. The screw rod 12 penetrates the top wall of the fixed shell 1 and is threadedly plugged into the threaded sleeve 13. The movable pressing roller 6 is rotatably mounted on the mounting frame 11. The driving mechanism 7 also includes a driven gear disc 14 fixedly sleeved on the threaded sleeve 13 and a driving gear 15 rotatably mounted on the fixed shell 1. The driving gear 15 is meshed with the driven gear disc 14. A second motor 16 for driving the driving gear 15 to rotate is installed on the fixed shell 1. The second motor 16 is started to drive the driving gear 15 to rotate. The meshing of the driving gear 15 and the driven gear disc 14 is used to drive the threaded sleeve 13 to rotate, which can force the screw rod 12 to drive the movable pressing roller 6 to rise and fall, and adjust the spacing between the positioning and pressing roller 5 and the movable pressing roller 6 to be suitable for the production of composite films with different numbers of layers and different thicknesses.

[0028] Furthermore, in the present embodiment, the radius of the driven gear plate 14 is greater than the radius of the driving gear 15 , which is beneficial to the control and adjustment of the distance between the movable pressing roller 6 and the positioning pressing roller 5 .

[0029] Working principle: When in use, the raw material film is sleeved on the raw material film roller 2, and the multi-layer raw material film passes through a pair of guide rollers 8, and between the positioning pressure roller 5 and the movable pressure roller 6 in turn. The positioning pressure roller 5 and the movable pressure roller 6 are used to extrude and compound the composite film, and then the composite film is wound on the finished film roller 3. The finished composite film is continuously wound up by starting the first motor 4. Furthermore, during the composite film winding process, the fan 18 in the frame 17 is started to supply air toward the fixed shell 1. In combination with the heating of the electric heating wire 19, the raw material film can be preheated before the mold is closed, thereby improving the film closing effect and the quality of the composite film. In addition, under the push of the elastic force of the spring 24, a pair of guide rollers 8 are driven They are close to each other and are used to limit and guide the multi-layer raw material film so that the multi-layer raw material film can be as close to each other as possible before the film is closed. This can not only improve the preheating effect of the multi-layer raw material film, but also reduce the angle of the multi-layer raw material when it is pressed by the positioning pressing roller 5 and the movable pressing roller 6, which is beneficial to improving the film pressing effect. Furthermore, by starting the second motor 16 to drive the active gear 15 to rotate, and utilizing the engagement of the active gear 15 with the driven gear plate 14 to drive the threaded sleeve 13 to rotate, the screw rod 12 can be forced to drive the movable pressing roller 6 to rise and fall, and the spacing between the positioning pressing roller 5 and the movable pressing roller 6 can be adjusted to be suitable for the production of composite films with different numbers of layers and different thicknesses, and has high adaptability.

[0030] All technical features in this embodiment can be freely combined according to actual needs.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A production equipment for electronic grade polysilicon packaging protective film, characterized in that: include: A fixed housing (1); A raw material film roller (2) is arranged at one end of the fixed shell (1), and at least two raw material film rollers (2) are arranged; A finished film roller (3) is arranged in the fixed housing (1) at one end away from the raw film roller (2); A positioning pressing roller (5) and a movable pressing roller (6) are arranged inside the fixed housing (1) near the finished film roller (3), and a driving mechanism (7) for driving the movable pressing roller (6) to approach the positioning pressing roller (5) is arranged on the fixed housing (1); A guide roller (8) is arranged in the fixed housing (1) near the raw material film roller (2), wherein a pair of guide rollers (8) are provided, and a support member (9) for supporting the pair of guide rollers (8) to be close to each other is provided on the fixed housing (1); The support member (9) comprises a fixed sleeve (21) fixed on the top wall and the bottom wall inside the fixed shell (1); a pair of the fixed sleeves (21) are each provided with a movable rod (22) movably inserted at the opposite ends thereof; a pair of guide rollers (8) are respectively mounted at the ends of the two movable rods (22) extending out of the fixed sleeve (21); a stopper (23) is provided at one end of the movable rod (22) extending into the fixed sleeve (21); and a spring (24) is provided between the stopper (23) and the end of the fixed sleeve (21) away from the movable rod (22).

2. The production equipment of the electronic grade polysilicon packaging protective film according to claim 1, characterized in that: A warm air mechanism (10) is provided on the fixed shell (1), and the warm air mechanism (10) is located between the guide roller (8) and the positioning pressure roller (5).

3. The production equipment of the electronic grade polysilicon packaging protective film according to claim 2, characterized in that: The heating mechanism (10) comprises a frame (17) fixedly embedded on the top wall and the bottom wall of the fixed shell (1), a plurality of fans (18) are installed side by side inside the frame (17), a heating wire (19) is arranged at one end of the frame (17) facing the inside of the fixed shell (1), and a partition net (20) is arranged at one end of the frame (17) facing the outside of the fixed shell (1).

4. The production equipment of the electronic grade polysilicon packaging protective film according to claim 1, characterized in that: The driving mechanism (7) comprises a mounting frame (11) located above the positioning pressure roller (5), a screw rod (12) vertically fixed to the top of the mounting frame (11), and a threaded sleeve (13) rotatably mounted on the top wall of the fixed shell (1); the screw rod (12) penetrates the top wall of the fixed shell (1) and is threadably plugged into the threaded sleeve (13); and the movable pressure roller (6) is rotatably mounted on the mounting frame (11).

5. The production equipment of the electronic grade polysilicon packaging protective film according to claim 4, characterized in that: The driving mechanism (7) further comprises a driven toothed disc (14) fixedly sleeved on the threaded sleeve (13) and a driving gear (15) rotatably mounted on the fixed housing (1), wherein the driving gear (15) meshes with the driven toothed disc (14), and a second motor (16) for driving the driving gear (15) to rotate is mounted on the fixed housing (1).

6. The production equipment of the electronic grade polysilicon packaging protective film according to claim 5, characterized in that: The radius of the driven gear plate (14) is greater than the radius of the driving gear (15).

Images