Premixing device for polytetrafluoroethylene film production

By designing a premix device supporting frame, premix box and mixing mechanism, the problems of uneven mixing and blockage of the cutting port in the production of PTFE films are solved, and more efficient raw material mixing and anti-blocking effects are achieved.

CN223301977UActive Publication Date: 2025-09-05YUTIAN (SHANGHAI) NEW MATERIALS CO LTD
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Patent Information

Application Number
CN202422755692.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-09-05
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

The existing premix device for the production of polytetrafluoroethylene films has poor mixing effect, resulting in uneven raw materials and low production efficiency, and untimely discharge of materials can easily lead to clogging of the discharge port.

Method used

A premix device including a support frame, a premix box, a feeding mechanism and a mixing mechanism is designed. The mixing effect is improved by heating the stirring blades and combined with a heat conducting flake. The discharge volume is controlled by a material control plate to prevent clogging, and the feeding box is pushed through the electric push rod to process the raw materials.

Benefits of technology

It improves the mixing uniformity and production efficiency of raw materials, prevents blockage of the cutting port, and improves the use efficiency of the premix device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model provides a premixing device for polytetrafluoroethylene film production, and relates to the technical field of polytetrafluoroethylene film production. The premixing device for polytetrafluoroethylene film production comprises a supporting rack, positioning legs are fixedly connected to the bottom of the supporting rack, a premixing box body is fixedly installed on the upper surface of the supporting rack, a feeding hopper is fixedly installed on the surface of the top of the premixing box body, a discharging mechanism is fixedly installed below the premixing box body, and a feeding hopper is fixedly installed below the discharging mechanism. And a mixing mechanism is arranged in the premixing box body, and the discharging mechanism comprises a discharging part fixedly connected to the bottom of the premixing box body. According to the embodiment of the invention, the stirring blades are conveniently dismounted and mounted through the mounting component, the blades are heated by utilizing the heating pieces, and heat is conducted to the surfaces of the heat conducting pieces through the heat conducting rods, so that the mixing effect on the raw materials is further improved by increasing the heating area of the blades and the raw materials during stirring; therefore, the working efficiency of the premixing device is improved.
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Description

Technical Field

[0001] The embodiments of the present application relate to the technical field of polytetrafluoroethylene film production, and in particular to a premixing device for polytetrafluoroethylene film production. Background Art

[0002] Polytetrafluoroethylene (PTFE) film, also known as Teflon film, is made by molding, sintering, and cooling a suspended PTFE resin into a blank, which is then turned and calendered. Before production, the raw materials must be pre-mixed in a fixed ratio to ensure a thorough and uniform blend, facilitating subsequent processing.

[0003] However, the existing premixing device for polytetrafluoroethylene film production has poor mixing effect and cannot fully mix the raw materials, resulting in a significant increase in the time for subsequent mixing and reduced production efficiency. At the same time, untimely feeding leads to blockage of the feeding port and accumulation, thereby reducing the utilization efficiency of the premixing device. Utility Model Content

[0004] In view of the above problems, an embodiment of the present application provides a premixing device for the production of polytetrafluoroethylene films to solve the problem that the existing premixing device for the production of polytetrafluoroethylene films has poor mixing effect and cannot fully mix the raw materials, resulting in a significant increase in the time for subsequent mixing and reduced production efficiency. At the same time, the material is not discharged in time, resulting in blockage of the discharge port.

[0005] The present invention provides a premixing device for producing polytetrafluoroethylene film. The premixing device includes a support frame, a positioning leg fixedly connected to the bottom of the support frame, a premixing box fixedly mounted on the upper surface of the support frame, a feed hopper fixedly mounted on the top surface of the premixing box, a discharge mechanism fixedly mounted below the premixing box, and a mixing mechanism disposed within the premixing box.

[0006] The material discharge mechanism comprises a material discharge component fixedly connected to the bottom of the premixing box, and a material receiving component is arranged below one end of the material discharge component.

[0007] The mixing mechanism comprises a driving component fixedly mounted on a surface of one side of the premixing box, and a stirring component is fixedly mounted on the surface of the driving component.

[0008] In some embodiments, the unloading component includes a sliding plate fixedly connected to the bottom of the supporting frame, a material blocking door frame is fixedly installed on the upper surface of the sliding plate, and a material control plate is slidably installed on the inner surface of the material blocking door frame.

[0009] In some embodiments, the material receiving component includes a connecting plate fixedly connected to the bottom of the sliding plate, one side surface of the connecting plate is fixedly connected to an electric push rod, and one end of the electric push rod is fixedly installed with a material receiving box.

[0010] In some embodiments, the driving component includes a discharge port opened on the upper surface of the premixing box, a driving motor is fixedly mounted on one end surface of the premixing box, and a stirring shaft 1 is fixedly mounted on the output end of the driving motor.

[0011] In some embodiments, a driving gear is fixedly mounted on the front end surface of the stirring shaft 1, a driven gear is meshedly connected to the outer surface of the driving gear, and a stirring shaft 2 is fixedly connected to the inner wall surface of the driven gear.

[0012] In some embodiments, the stirring component includes a stirring blade fixedly mounted on the outer surface of the second stirring shaft, one end of the second stirring shaft is rotatably connected to the inner surface of the premixing box, and a discharge plate is movably mounted on the bottom of the premixing box.

[0013] In some embodiments, a heating plate is fixedly mounted on the outer surface of the stirring blade, and mounting components are fixedly mounted on both side surfaces of the stirring blade. A heat conducting rod is fixedly connected to the surface of the heating plate, and a heat conducting plate is fixedly mounted on one end of the heat conducting rod.

[0014] Through the above scheme, the raw materials after mixing fall to the surface of the sliding plate and slide down along its surface. The material control plate arranged at one end of the material blocking door frame can change the size of the discharge port by sliding, so as to control the discharge amount and prevent blockage. Then, the electric push rod installed on the surface of one side of the connecting plate pushes the receiving box so that the raw materials fall into it for later processing by the staff. By controlling the size of the discharge port, the utilization efficiency of the premixing device is improved; the installation component is used to facilitate the disassembly and installation of the stirring blade, and the heating plate is used to heat the blade, and the heat is transferred to the surface of the heat conducting plate through the heat conducting rod, which is beneficial to the blade when stirring. By increasing the heating area with the raw materials, the mixing effect of the raw materials is further improved, thereby improving the working efficiency of the premixing device.

[0015] The above description is only an overview of the technical solutions of the embodiments of the present application. In order to more clearly understand the technical means of the embodiments of the present application, they can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the embodiments of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, a brief introduction will be given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0017] Figure 1 This is a three-dimensional schematic diagram of a premixing device in some embodiments of the present application.

[0018] Figure 2 For this application Figure 1 Enlarged schematic diagram of point A in the middle.

[0019] Figure 3 This is a three-dimensional schematic diagram of the structural mixing mechanism in some embodiments of the present application.

[0020] Figure 4 This is a three-dimensional schematic diagram of the structural stirring blade in some embodiments of the present application.

[0021] Description of reference numerals:

[0022] 1. Support frame; 2. Positioning legs; 3. Premixing box; 4. Feed hopper; 5. Unloading mechanism; 51. Sliding plate; 52. Material blocking door frame; 53. Material control plate; 54. Connecting plate; 55. Electric push rod; 56. Material receiving box; 6. Mixing mechanism; 61. Discharge port; 62. Stirring shaft 1; 63. Driving gear; 64. Driven gear; 65. Stirring shaft 2; 66. Stirring blade; 661. Heating plate; 662. Mounting component; 663. Heat conducting rod; 664. Heat conducting plate. DETAILED DESCRIPTION

[0023] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0024] The terms "including," "having," and any variations thereof in the specification, claims, and figures of this application are intended to cover, not exclude, other contents. The words "a" or "an" do not exclude a plurality. Unless otherwise indicated, "plurality" means two or more (including two), and similarly, "a plurality of groups" means two or more (including two).

[0025] The directional words appearing in the following description refer to the directions shown in the drawings and do not limit the specific structure of this application. For example, in the description of this application, the terms "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "inner", "outer", "axial", "radial", "circumferential", etc., which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings and are only for the convenience of describing this application and simplifying the description. They do not indicate or imply that the device or component referred to must have a specific direction, be constructed and operate in a specific direction, and therefore should not be understood as limiting this application.

[0026] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, the "connected" or "connected" of a mechanical structure may refer to a physical connection, such as a fixed connection, a detachable connection, or an integral connection. In addition to referring to a physical connection, the "connected" or "connected" of a circuit structure may also refer to an electrical connection or a signal connection. For example, it may be a direct connection, that is, a physical connection, or it may be an indirect connection through at least one intermediate element, as long as the circuit is connected. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0027] In order to facilitate understanding of the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application are clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0028] First of all, it should be noted that the premixing device of the embodiment of the present application can be used in the production of polytetrafluoroethylene films, and can also be used in other equipment, and the present application does not limit this.

[0029] An embodiment of the present application provides a premixing device for producing polytetrafluoroethylene films. Figure 1 This is a three-dimensional schematic diagram of a premixing device in some embodiments of the present application. Figure 2 In some embodiments of this application Figure 1 A in the middle is an enlarged schematic diagram. Figure 1 、 Figure 2As shown, the premixing device for producing polytetrafluoroethylene film includes a support frame 1, a positioning leg 2 is fixedly connected to the bottom of the support frame 1, and a premixing box 3 is fixedly installed on the upper surface of the support frame 1, a feed hopper 4 is fixedly installed on the top surface of the premixing box 3, a discharge mechanism 5 is fixedly installed below the premixing box 3, and a mixing mechanism 6 is provided inside the premixing box 3, the discharge mechanism 5 includes a discharge component fixedly connected to the bottom of the premixing box 3, a material receiving component is provided below one end of the discharge component, and the mixing mechanism 6 includes a driving component fixedly mounted on one side surface of the premixing box 3, a stirring component fixedly mounted on the surface of the driving component, a material unloading component includes a sliding plate 51 fixedly connected to the bottom of the supporting frame 1, a material blocking door frame 52 is fixedly mounted on the upper surface of the sliding plate 51, a material control plate 53 is slidably mounted on the inner side surface of the material blocking door frame 52, and a material receiving component includes a connecting plate 54 fixedly connected to the bottom of the sliding plate 51, a side surface of the connecting plate 54 is fixedly connected to an electric push rod 55, and one end of the electric push rod 55 is fixedly mounted to a material receiving box 56.

[0030] In the technical solution of the embodiment of the present application, the mixed raw materials fall to the surface of the sliding plate 51 and slide down along its surface. The control plate 53 set at one end of the material blocking door frame 52 changes the size of the discharge port by sliding, so as to control the discharge amount and prevent blockage. The electric push rod 55 installed on the side surface of the connecting plate 54 pushes the material receiving box 56 so that the raw materials fall into it for later processing by the staff.

[0031] According to other embodiments of the present application, Figure 3 As shown, the driving component includes a discharge port 61 opened on the upper surface of the premixing box 3, a driving motor is fixedly mounted on one end surface of the premixing box 3, a stirring shaft 1 62 is fixedly mounted on the output end of the driving motor, a driving gear 63 is fixedly mounted on the front end surface of the stirring shaft 1 62, the outer surface of the driving gear 63 is meshedly connected to the driven gear 64, and the inner wall surface of the driven gear 64 is fixedly connected to the stirring shaft 2 65.

[0032] In the technical solution of this embodiment, a discharge port 61 is provided so that the raw materials fall into the interior of the premixing box 3 through the feed hopper 4, and the stirring shaft 1 62 is driven by the driving motor to rotate, thereby driving the driving gear 63 to rotate, and the meshing transmission between the driving gear 63 and the driven gear 64 drives the stirring shaft 2 65 to rotate, and then the stirring shaft 2 65 drives the stirring blade 66 to perform stirring and mixing work. By providing two sets of stirring components, the mixing effect of the raw materials can be improved.

[0033] According to other embodiments of the present application, Figure 4As shown, the stirring component includes a stirring blade 66 fixedly mounted on the outer surface of the stirring shaft 65, one end of the stirring shaft 65 is rotatably connected to the inner surface of the premixing box 3, and a discharge plate is movably mounted on the bottom of the premixing box 3. A heating plate 661 is fixedly mounted on the outer surface of the stirring blade 66, and mounting components 662 are fixedly mounted on the two side surfaces of the stirring blade 66. A heat-conducting rod 663 is fixedly connected to the surface of the heating plate 661, and a heat-conducting plate 664 is fixedly mounted on one end of the heat-conducting rod 663.

[0034] In the technical solution of this embodiment, the stirring blade 66 is disassembled and installed through the installation component 662, and the blade is heated by the heating plate 661. The heat is transferred to the surface of the heat conducting plate 664 through the heat conducting rod 663, which is beneficial for the blade to further improve the mixing effect of the raw materials by increasing the heating area with the raw materials when stirring.

[0035] The working principle of the premixing device for producing polytetrafluoroethylene film will be described in detail below.

[0036] like Figure 1-4 As shown, first, by setting the discharge port 61, the raw materials fall into the interior of the premixing box 3 through the feed hopper 4, and the stirring shaft 1 62 is driven by the driving motor to rotate, thereby driving the driving gear 63 to rotate, and the meshing transmission between the driving gear 63 and the driven gear 64 drives the stirring shaft 2 65 to rotate, and then the stirring shaft 2 65 drives the stirring blade 66 to stir and mix. At the same time, the installation component 662 is used to disassemble and install the stirring blade 66, and the heating plate 661 is used to heat the blade, and the heat is transferred through the heat conducting rod 663 to conduct the heat. To the surface of the heat conducting plate 664, it is beneficial for the blades to further improve the mixing effect of the raw materials by increasing the heating area with the raw materials during stirring. Then, the mixed raw materials fall to the surface of the sliding plate 51, slide down along its surface, and change the size of the discharge port by sliding through the control plate 53 set at one end of the material blocking door frame 52, so as to control the discharge amount and prevent blockage. Then, the electric push rod 55 installed on the surface of one side of the connecting plate 54 pushes the material receiving box 56 so that the raw materials fall into it for later processing by the staff.

[0037] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, combinations of features from different embodiments are intended to be within the scope of this application and to form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0038] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A premixing device for producing polytetrafluoroethylene film, characterized in that: The invention comprises a support frame (1), a positioning leg (2) fixedly connected to the bottom of the support frame (1), a premixing box (3) fixedly mounted on the upper surface of the support frame (1), a feed hopper (4) fixedly mounted on the top surface of the premixing box (3), a discharge mechanism (5) fixedly mounted below the premixing box (3), and a mixing mechanism (6) arranged inside the premixing box (3); The material discharge mechanism (5) comprises a material discharge component fixedly connected to the bottom of the premixing box (3), and a material receiving component is provided below one end of the material discharge component; The mixing mechanism (6) comprises a driving component fixedly mounted on a side surface of the premixing box (3), and a stirring component is fixedly mounted on the surface of the driving component.

2. The premixing device for producing polytetrafluoroethylene film according to claim 1, characterized in that: The material unloading component comprises a sliding plate (51) fixedly connected to the bottom of the support frame (1); a material blocking door frame (52) is fixedly mounted on the upper surface of the sliding plate (51); and a material control plate (53) is slidably mounted on the inner surface of the material blocking door frame (52).

3. The premixing device for producing polytetrafluoroethylene film according to claim 2, characterized in that: The material receiving component comprises a connecting plate (54) fixedly connected to the bottom of the sliding plate (51), a side surface of the connecting plate (54) is fixedly connected to an electric push rod (55), and one end of the electric push rod (55) is fixedly installed with a material receiving box (56).

4. The premixing device for producing polytetrafluoroethylene film according to claim 1, characterized in that: The driving component comprises a discharge port (61) opened on the upper surface of the premixing box (3), a driving motor is fixedly mounted on one end surface of the premixing box (3), and a stirring shaft (62) is fixedly mounted on the output end of the driving motor.

5. The premixing device for producing polytetrafluoroethylene film according to claim 4, characterized in that: A driving gear (63) is fixedly mounted on the front end surface of the stirring shaft (62), a driven gear (64) is meshedly connected to the outer surface of the driving gear (63), and a stirring shaft (65) is fixedly connected to the inner wall surface of the driven gear (64).

6. The premixing device for producing polytetrafluoroethylene film according to claim 5, characterized in that: The stirring component includes a stirring blade (66) fixedly mounted on the outer surface of the second stirring shaft (65), one end of the second stirring shaft (65) is rotatably connected to the inner surface of the premixing box (3), and a discharge plate is movably mounted on the bottom of the premixing box (3).

7. The premixing device for producing polytetrafluoroethylene film according to claim 6, characterized in that: A heating plate (661) is fixedly mounted on the outer surface of the stirring blade (66), and mounting components (662) are fixedly mounted on both side surfaces of the stirring blade (66). A heat conducting rod (663) is fixedly connected to the surface of the heating plate (661), and a heat conducting plate (664) is fixedly mounted on one end of the heat conducting rod (663).