A premixing device for producing polytetrafluoroethylene film

By designing a premix device including a vacuum feeding device and a stirring member, the problems of uneven raw material introduction and difficulty in quantitative proportioning in the prior art are solved, and the uniform introduction and quantitative proportioning of raw materials are achieved, and the use efficiency is improved.

CN222741829UActive Publication Date: 2025-04-11TAIZHOU YONGJIA PLASTICS CO LTD
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Patent Information

Application Number
CN202420475316.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-12
Publication Date
2025-04-11
Estimated Expiration
2034-03-12

AI Technical Summary

Technical Problem

The existing premix device has a simple structure and is not convenient to uniformly introduce raw materials into the interior, resulting in stacking, time-consuming and inconvenient for quantitative proportioning. It requires staff to weigh in advance, reducing the efficiency of use.

Method used

A premix device including a bracket, a mixing box and a box is designed, and components such as a vacuum feeding device and agitating parts are used to achieve uniform introduction and quantitative ratio of raw materials through the combination of vacuum feeding, stirring and dispensing tray.

Benefits of technology

The uniform introduction of raw materials is achieved, stacking is avoided, premixing time is reduced, and it is easy to use. The efficiency of quantitative proportioning is improved through automatic weighing and display functions.

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Abstract

The utility model discloses a premixing device for producing polytetrafluoroethylene film in the field of mixing equipment, comprising a bracket, a mixing box and a box body, wherein the mixing box is fixedly connected to the left side of the top of the bracket, the box body is fixedly connected to the right side of the top of the bracket, a vacuum feeding device is fixedly connected to the middle of the right side of the top of the bracket, and the vacuum feeding device is located on the right side of the box body, a conduit is plugged into the input end of the vacuum feeding device, a partition is fixedly connected between the upper sides of the inner side walls of the mixing box, and a first rotating shaft is rotatably connected to the middle of the left side of the inner cavity bottom of the mixing box. The premixing device for producing polytetrafluoroethylene film is convenient for uniformly introducing raw materials into the premixing device, so that the raw materials are not easily accumulated in the premixing device, the time consumption of premixing raw materials is reduced, the use is convenient, and the quantitative proportioning is convenient, and the staff does not need to weigh the raw materials in advance, which saves time and labor and improves the use efficiency of the premixing device.
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Description

Technical Field

[0001] The utility model relates to the technical field of mixing equipment, in particular to a premixing device for producing polytetrafluoroethylene films. Background Art

[0002] Polytetrafluoroethylene film, also known as Teflon film, is made of suspended polytetrafluoroethylene resin through molding, sintering, cooling into a blank, and then turning and calendering. Before the production of polytetrafluoroethylene film, the raw materials with a fixed ratio need to be pre-mixed to make the raw materials fully mixed and evenly mixed, so as to facilitate the subsequent processing. At this time, a pre-mixing device is needed.

[0003] At present, in the use of the premixing device, due to the simple structure of the existing premixing device, it is not convenient to evenly introduce the raw materials into the premixing device, which leads to the accumulation of raw materials inside the premixing device, which increases the time consumption of premixing and is inconvenient to use. At the same time, the existing premixing device is not convenient for quantitative proportioning, and the staff is required to weigh the raw materials in advance, which is time-consuming and labor-intensive, and reduces the use efficiency of the premixing device. For this reason, we propose a premixing device for the production of polytetrafluoroethylene film. Utility Model Content

[0004] The utility model aims to provide a premixing device for the production of polytetrafluoroethylene film, so as to solve the problem proposed in the above background technology that the existing premixing device has a simple structure, is not convenient for uniformly introducing raw materials into the premixing device, and causes the raw materials to be easily piled up inside the premixing device, which increases the time consumption of premixing and is inconvenient to use. At the same time, the existing premixing device is not convenient for quantitative proportioning, and the staff is required to weigh the raw materials in advance, which is time-consuming and labor-intensive, and reduces the use efficiency of the premixing device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a premixing device for producing polytetrafluoroethylene film, comprising a bracket, a mixing box and a box body, the mixing box is fixedly connected to the left side of the top of the bracket, the box body is fixedly connected to the right side of the top of the bracket, a vacuum feeding device is fixedly connected to the middle of the top right side of the bracket, and the vacuum feeding device is located on the right side of the box body, a conduit is plugged into the input end of the vacuum feeding device, a partition is fixedly connected between the upper sides of the inner side walls of the mixing box, a first rotating shaft is rotatably connected to the middle of the left side of the bottom of the inner cavity of the mixing box, and the first rotating shaft passes through the middle of the left side of the bottom of the partition and is rotatably connected to the left side of the top of the inner cavity of the mixing box, a first stirring member is sleeved on the outer side wall of the first rotating shaft, and the first stirring members are arranged in sequence from top to bottom, a first material distribution plate is sleeved on the upper side of the outer side wall of the first rotating shaft, a first material distribution hole is opened at the bottom of the first material distribution plate, and the first material distribution holes are distributed in an annular manner, and the first rotating shaft A first transmission disc is sleeved on the upper side of the outer wall, and the first transmission disc is located on the upper side of the partition, a motor is fixedly connected to the middle of the top right side of the mixing box, and the output end of the motor passes through the middle of the top right side of the mixing box and extends to the inner cavity of the mixing box, the output end of the motor is fixedly connected to the second rotating shaft, and the second rotating shaft passes through the middle of the top right side of the partition, and is rotatably connected to the middle of the right side of the bottom of the inner cavity of the mixing box, a second stirring member is sleeved on the outer wall of the second rotating shaft, and the second stirring members are arranged in sequence from top to bottom, a second transmission disc is sleeved on the upper side of the outer wall of the second rotating shaft, and the second transmission disc is located on the upper side of the partition, a transmission belt is rotatably connected between the outer wall of the second transmission disc and the outer wall of the first transmission disc, a fixing seat is fixedly connected to the bottom of the inner cavity of the box body, a weighing device is fixedly connected to the bottom of the inner cavity of the fixing seat, a concentration box is inserted at the top of the box body, and a guide shell is fixedly connected to the bottom of the inner cavity of the concentration box.

[0006] As a further description of the above technical solution:

[0007] The output end of the vacuum feeding device is plugged with a suction pipe, and the suction pipe extends to the inner cavity of the central box.

[0008] As a further description of the above technical solution:

[0009] The end of the conduit is fixedly connected with a transmission pipe, and the transmission pipe passes through the middle of the upper side of the right side wall of the mixing box and is inserted into the top right side of the partition.

[0010] As a further description of the above technical solution:

[0011] A control box is fixedly connected to the left side of the top of the bracket, and the control box is electrically connected to the vacuum feeding device, the motor and the weighing device.

[0012] As a further description of the above technical solution:

[0013] A second material distribution plate is sleeved on the upper side of the outer wall of the second rotating shaft, and the second material distribution plate is located on the upper side of the first material distribution plate. Second material distribution holes are opened at the bottom of the second material distribution plate, and the second material distribution holes are distributed in a ring shape.

[0014] As a further description of the above technical solution:

[0015] A display is fixedly connected to the middle of the upper side of the front side wall of the box body, and the display is electrically connected to the control box. The display is a liquid crystal display screen.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The premixing device for producing polytetrafluoroethylene film contains raw materials through a centralized box, and then introduces the raw materials under the partition through a vacuum feeding device in cooperation with a suction pipe, a conduit and a transmission pipe, and drops them into a second material distribution plate. Then, the first material distribution plate and the second material distribution plate are driven to rotate by a motor in cooperation with a second rotating shaft, a second transmission plate, a transmission belt, a first transmission plate and a first rotating shaft. The second material distribution plate cooperates with the second material distribution hole and the centrifugal force generated by the rotation of the second material distribution plate to scatter the materials into a mixing box and the first material distribution plate respectively. Then, the first material distribution plate cooperates with the first material distribution hole and the centrifugal force generated by the rotation of the first material distribution plate to scatter the raw materials into the mixing box again, so that the premixing device can easily introduce the raw materials into the interior of the premixing device, and the interior of the premixing device is not easy to accumulate raw materials, which reduces the time consumption of raw material premixing and is convenient for use.

[0018] 2. The premixing device for the production of polytetrafluoroethylene film contains raw materials through a centralized box, and can continuously add other raw materials for weighing, and then weigh the raw materials inside the centralized box through the centralized box against the weighing device, and display the weight through a display, so that the premixing device is convenient for quantitative proportioning, and there is no need for the staff to weigh the raw materials in advance, which saves time and effort and improves the use efficiency of the premixing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of a premixing device for producing polytetrafluoroethylene film proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the main cross-sectional structure of a premixing device for producing polytetrafluoroethylene film proposed by the utility model;

[0021] Figure 3 The utility model provides a premixing device for producing polytetrafluoroethylene film. Figure 2The enlarged structural diagram at A in the middle;

[0022] Figure 4 The utility model provides a premixing device for producing polytetrafluoroethylene film. Figure 2 Enlarged structural diagram at B in the middle.

[0023] In the figure: 100, bracket; 110, vacuum feeding device; 120, suction pipe; 130, conduit; 140, transmission pipe; 150, control box; 200, mixing box; 210, partition; 220, first rotating shaft; 221, first stirring member; 230, first distributing plate; 231, first distributing hole; 240, first transmission plate; 250, motor; 260, second rotating shaft; 261, second stirring member; 270, second distributing plate; 271, second distributing hole; 280, second transmission plate; 290, transmission belt; 300, box body; 310, fixing seat; 320, weighing device; 330, central box; 340, guide shell; 350, display. 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] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are 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 cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a premixing device for the production of polytetrafluoroethylene film, which is convenient for uniformly introducing raw materials into the premixing device and for quantitative proportioning. Figure 1-4 , including a bracket 100, a mixing box 200 and a box body 300;

[0028] Please refer again Figure 1-4 A vacuum feeding device 110 is fixedly connected to the middle of the top right side of the bracket 100, and the vacuum feeding device 110 is located on the right side of the box body 300. A conduit 130 is plugged into the input end of the vacuum feeding device 110. The vacuum feeding device 110 is used to cooperate with the conduit 130 to introduce the raw materials into the transmission pipe 140. The bracket 100 is used to support the mixing box 200 and the box body 300;

[0029] Please refer again Figure 1-4A partition 210 is fixedly connected between the upper sides of the inner side walls of the mixing box 200, and the partition 210 is used to divide the internal space of the mixing box 200. A first rotating shaft 220 is rotatably connected to the middle of the left side of the bottom of the inner cavity of the mixing box 200, and the first rotating shaft 220 passes through the middle of the left side of the bottom of the partition 210 and is rotatably connected to the left side of the top of the inner cavity of the mixing box 200. The outer wall of the first rotating shaft 220 is sleeved with a first stirring member 221, and the first stirring members 221 are arranged in sequence from top to bottom. The first rotating shaft 220 is used to force the first stirring member 221 to The raw materials are stirred, a first material distribution plate 230 is sleeved on the upper side of the outer wall of the first rotating shaft 220, a first material distribution hole 231 is opened at the bottom of the first material distribution plate 230, and the first material distribution hole 231 is distributed in an annular shape, and the first material distribution plate 230 is used to cooperate with the first material distribution hole 231 to sprinkle the raw materials into the mixing box 200 in an annular shape, and a first transmission plate 240 is sleeved on the upper side of the outer wall of the first rotating shaft 220, and the first transmission plate 240 is located on the upper side of the partition 210, and the first transmission plate 240 is used to receive force to drive the first rotating shaft 220 to rotate, and the top of the mixing box 200 A motor 250 is fixedly connected to the middle of the right side, and the output end of the motor 250 passes through the middle of the top right side of the mixing box 200 and extends to the inner cavity of the mixing box 200. The motor 250 is used to drive the second rotating shaft 260 to rotate. The output end of the motor 250 is fixedly connected to the second rotating shaft 260, and the second rotating shaft 260 passes through the middle of the top right side of the partition 210, and is rotatably connected to the middle of the bottom right side of the inner cavity of the mixing box 200. The outer wall of the second rotating shaft 260 is sleeved with a second stirring member 261, and the second stirring members 261 are arranged in sequence from top to bottom, the first The second rotating shaft 260 is used to cooperate with the second stirring member 261 to stir and mix the raw materials. The second transmission disk 280 is sleeved on the upper side of the outer wall of the second rotating shaft 260, and the second transmission disk 280 is located on the upper side of the partition 210. A transmission belt 290 is rotatably connected between the outer wall of the second transmission disk 280 and the outer wall of the first transmission disk 240. The transmission belt 290 is used to cooperate with the second transmission disk 280 to drive the first transmission disk 240 to rotate. The mixing box 200 is fixedly connected to the top left side of the bracket 100, and the mixing box 200 is used to provide convenience for mixing raw materials;

[0030] Please refer again Figure 1-4 A fixing seat 310 is fixedly connected to the bottom of the inner cavity of the box body 300, and the fixing seat 310 is used to fix the weighing device 320. A weighing device 320 is fixedly connected to the bottom of the inner cavity of the fixing seat 310, and the weighing device 320 is used to weigh the concentrated box 330. A concentrated box 330 is plugged into the top of the box body 300, and the concentrated box 330 is used to hold raw materials. A guide shell 340 is fixedly connected to the bottom of the inner cavity of the concentrated box 330, and the guide shell 340 is used to guide the raw materials inside the concentrated box 330. The box body 300 is fixedly connected to the top right side of the bracket 100, and the box body 300 is used to limit the concentrated box 330.

[0031] Please refer again Figure 1-4 The output end of the vacuum feeding device 110 is connected with a suction pipe 120 , and the suction pipe 120 extends to the inner cavity of the central box 330 . The suction pipe 120 can cooperate with the vacuum feeding device 110 to extract the raw materials inside the central box 330 .

[0032] Please refer again Figure 1-4 The end of the conduit 130 is fixedly connected to a transmission pipe 140, and the transmission pipe 140 passes through the middle of the upper side of the right side wall of the mixing box 200 and is inserted into the top right side of the partition 210. The raw materials can be introduced into the lower side of the partition 210 through the transmission pipe 140.

[0033] Please refer again Figure 1-4 A control box 150 is fixedly connected to the top left side of the bracket 100. The control box 150 is electrically connected to the vacuum feeding device 110, the motor 250 and the weighing device 320. The start and stop of the vacuum feeding device 110, the motor 250 and the weighing device 320 can be controlled through the control box 150.

[0034] Please refer again Figure 1-4 A second material distribution plate 270 is sleeved on the upper side of the outer wall of the second rotating shaft 260, and the second material distribution plate 270 is located on the upper side of the first material distribution plate 230. A second material distribution hole 271 is opened at the bottom of the second material distribution plate 270, and the second material distribution holes 271 are distributed in a ring shape. By rotating the second material distribution plate 270, the raw materials can be evenly scattered into the mixing box 200 in a ring shape in coordination with the second material distribution holes 271.

[0035] Please refer again Figure 1-4 A display 350 is fixedly connected to the middle of the upper side of the front side wall of the box body 300, and the display 350 is electrically connected to the control box 150 and the weighing device 320. The display 350 is a liquid crystal display screen. The display 350 made of the liquid crystal display screen can display the data of the weighing device 320.

[0036] In summary, the raw materials are contained in the centralized box 330, and then the raw materials are introduced under the partition 210 by the vacuum feeding device 110 in cooperation with the suction pipe 120, the conduit 130 and the transmission pipe 140, and fall into the second material distribution plate 270, and then the motor 250 cooperates with the second rotating shaft 260, the second transmission plate 280, the transmission belt 290, the first transmission plate 240 and the first rotating shaft 220 to drive the first material distribution plate 230 and the second material distribution plate 270 to rotate, and the second material distribution plate 270 is driven to rotate. The disc 270 cooperates with the second material distribution hole 271 through the centrifugal force generated by the rotation of the second material distribution disc 270 to scatter the materials into the mixing box 200 and the first material distribution disc 230 respectively, and then the first material distribution disc 230 cooperates with the first material distribution hole 231 through the centrifugal force generated by the rotation of the first material distribution disc 230 to scatter the raw materials into the mixing box 200 again, so that the premixing device can easily introduce the raw materials into the interior of the premixing device evenly, and it is not easy for the raw materials to accumulate inside the premixing device, which reduces the time consumption of raw material premixing and facilitates use.

[0037] To summarize, the raw materials are contained in the centralized box 330, and other raw materials can be continuously added for weighing. Then, the centralized box 330 contacts the weighing device 320 to weigh the raw materials inside the centralized box 330, and the weight is displayed on the display 350, so that the premixing device is convenient for quantitative proportioning, and there is no need for the staff to weigh the raw materials in advance, which saves time and effort and improves the use efficiency of the premixing device.

[0038] During specific use, personnel in this technical field first manually place the raw materials in the centralized box 330, and operate the control box 150 to start the weighing device 320. The weighing device 320 cooperates with the centralized box 330 to weigh the raw materials. After weighing, other raw materials are added to the centralized box 330 again, and then weighed in turn. After the proportioning is completed, the staff manually operates the control box 150 to start the motor 250, and the motor 250 drives the second rotating shaft 260 to rotate. The second rotating shaft 260 cooperates with the second transmission disk 280 and the transmission belt 290 to drive the first transmission disk 240 to rotate, and drives the first rotating shaft 220 to rotate, and at the same time drives the first distribution disk 230 and the second distribution disk 270 to rotate, and then starts the vacuum feeding device 110, and then the vacuum feeding device The device 110 cooperates with the suction pipe 120 to extract the raw materials inside the central box 330, and introduces them into the lower side of the partition 210 through the conduit 130 and the transmission pipe 140, and falls into the second distribution plate 270, and then the second distribution plate 270 is rotated to cooperate with the second distribution hole 271 to sprinkle the materials into the mixing box 200 and the first distribution plate 230 respectively. After part of the material is introduced into the first distribution plate 230, the first distribution plate 230 is rotated to drive the material to pass through the centrifugal force generated by the rotation of the first distribution plate 230 to scatter the raw materials into the mixing box 200 again through the first distribution hole 231, and drive the raw materials to be evenly introduced into the mixing box 200, and then the raw materials in the mixing box 200 are stirred by the first stirring member 221 and the second stirring member 261.

[0039] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. A premixing device for producing polytetrafluoroethylene film, characterized in that: The invention comprises a support (100), a mixing box (200) and a box body (300), wherein the mixing box (200) is fixedly connected to the left side of the top of the support (100), the box body (300) is fixedly connected to the right side of the top of the support (100), a vacuum feeding device (110) is fixedly connected to the middle of the right side of the top of the support (100), and the vacuum feeding device (110) is located on the right side of the box body (300), a conduit (130) is plugged into the input end of the vacuum feeding device (110), a partition (210) is fixedly connected between the upper sides of the inner side walls of the mixing box (200), and the middle of the left side of the inner cavity bottom of the mixing box (200) is rotatably connected to the mixing box (200). A first rotating shaft (220) is provided, and the first rotating shaft (220) passes through the middle of the bottom left side of the partition (210), and is rotatably connected to the left side of the top of the inner cavity of the mixing box (200); the outer wall of the first rotating shaft (220) is sleeved with a first stirring member (221), and the first stirring members (221) are arranged in sequence from top to bottom; the upper side of the outer wall of the first rotating shaft (220) is sleeved with a first material distribution plate (230), the bottom of the first material distribution plate (230) is provided with a first material distribution hole (231), and the first material distribution hole (231) is distributed in an annular shape; the upper side of the outer wall of the first rotating shaft (220) is sleeved with a first transmission plate (240), and the first The transmission disc (240) is located on the upper side of the partition (210); a motor (250) is fixedly connected to the middle of the top right side of the mixing box (200); an output end of the motor (250) passes through the middle of the top right side of the mixing box (200) and extends to the inner cavity of the mixing box (200); a second rotating shaft (260) is fixedly connected to the output end of the motor (250); the second rotating shaft (260) passes through the middle of the top right side of the partition (210) and is rotatably connected to the middle of the bottom right side of the inner cavity of the mixing box (200); a second stirring member (261) is sleeved on the outer side wall of the second rotating shaft (260); and the second stirring member (261) is sleeved on the outer side wall of the second rotating shaft (261). 1) are arranged in sequence from top to bottom, a second transmission disc (280) is sleeved on the upper side of the outer wall of the second rotating shaft (260), and the second transmission disc (280) is located on the upper side of the partition (210), a transmission belt (290) is rotatably connected between the outer wall of the second transmission disc (280) and the outer wall of the first transmission disc (240), a fixing seat (310) is fixedly connected to the bottom of the inner cavity of the box body (300), a weighing device (320) is fixedly connected to the bottom of the inner cavity of the fixing seat (310), a central box (330) is inserted at the top of the box body (300), and a guide shell (340) is fixedly connected to the bottom of the inner cavity of the central box (330).

2. A premixing device for producing polytetrafluoroethylene film according to claim 1, characterized in that: The output end of the vacuum feeding device (110) is plugged with a suction pipe (120), and the suction pipe (120) extends to the inner cavity of the central box (330).

3. A premixing device for producing polytetrafluoroethylene film according to claim 1, characterized in that: The end of the conduit (130) is fixedly connected to a transmission pipe (140), and the transmission pipe (140) passes through the middle of the upper side of the right side wall of the mixing box (200) and is inserted into the top right side of the partition (210).

4. A premixing device for producing polytetrafluoroethylene film according to claim 1, characterized in that: A control box (150) is fixedly connected to the left side of the top of the bracket (100), and the control box (150) is electrically connected to the vacuum feeding device (110), the motor (250) and the weighing device (320).

5. A premixing device for producing polytetrafluoroethylene film according to claim 1, characterized in that: A second material distribution plate (270) is sleeved on the upper side of the outer wall of the second rotating shaft (260), and the second material distribution plate (270) is located on the upper side of the first material distribution plate (230). Second material distribution holes (271) are opened at the bottom of the second material distribution plate (270), and the second material distribution holes (271) are distributed in a ring shape.

6. A premixing device for producing polytetrafluoroethylene film according to claim 1, characterized in that: A display (350) is fixedly connected to the middle of the upper side of the front side wall of the box body (300), and the display (350) is electrically connected to the control box (150). The display (350) is a liquid crystal display screen.