Lengthened outlet die of PTFE air purification film extruder

Abstract

The utility model discloses a lengthened outlet die of a PTFE (Polytetrafluoroethylene) air purification film extruder, which belongs to the technical field of air purification film production dies and comprises a mounting table, a first fixing plate, a second fixing plate and a support plate are arranged on the mounting table, an adjusting structure is arranged on the first fixing plate, a pushing shaft is adjustably connected onto the adjusting structure, and the supporting plate is arranged on the second fixing plate. One side of the extrusion die is connected to the second fixing plate, the other side of the extrusion die is connected to the supporting plate, and a lengthened outlet die is arranged on the extrusion die. According to the utility model, the lengthened outlet die is arranged, the length of the lengthened outlet die is 10cm, and the caliber of the extrusion die is 15-23cm, so that the flowing time of a melt in the die can be prolonged, the flowing stability can be improved, the thickness uniformity and the surface quality of an extrusion film can be improved, and meanwhile, the caliber of the die is optimized, so that the die can be adjusted into different sizes such as 15cm, 23cm or 18cm and the like; therefore, the production requirements of PTFE air purification membranes with different widths or diameters can be met.

Description

Technical Field

[0001] The utility model belongs to the technical field of air purification membrane production molds, and particularly relates to an extended outlet die of a PTFE air purification membrane extruder. Background Art

[0002] With the continuous development of air purification technology, the market has higher and higher requirements for PTFE air purification membranes, especially in terms of film thickness uniformity, air permeability, and filtration efficiency. In order to meet market demands and enhance competitiveness, production enterprises need to continuously carry out technological innovation and equipment upgrading, and improving traditional mold design has become a key link among them.

[0003] However, due to the short length of traditional molds, the flow time of the melt in the mold is limited, it is difficult to ensure the stability of the flow, and it is easy to cause problems such as uneven thickness of the extruded film and rough surface. Moreover, the short mold length and fixed caliber limit the extrusion speed, unable to fully exert the production potential of the extruder, affecting the overall production efficiency. Once the extrusion thickness is uneven, it is easy to cause problems such as material waste and increased equipment wear during the extrusion process, increasing the maintenance cost and production cost. Content of the Utility Model

[0004] The purpose of the utility model is to provide an extended outlet die of a PTFE air purification membrane extruder to solve the problems that in the existing traditional molds, due to the short length, the flow time of the melt in the mold is limited, it is difficult to ensure the stability of the flow, and it is easy to cause problems such as uneven thickness of the extruded film and rough surface. Moreover, the short mold length and fixed caliber limit the extrusion speed, unable to fully exert the production potential of the extruder, affecting the overall production efficiency. Once the extrusion thickness is uneven, it is easy to cause problems such as material waste and increased equipment wear during the extrusion process, increasing the maintenance cost and production cost.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: an extended outlet die of a PTFE air purification membrane extruder, including an installation table, a first fixing plate, a second fixing plate, and a support plate are arranged on the installation table, an adjustment structure is arranged on the first fixing plate, a pushing shaft is adjustably connected to the adjustment structure, one side of the extrusion die is connected to the second fixing plate, and the other side is connected to the support plate, and an extended outlet die is arranged on the extrusion die.

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

[0007] The length of the extended outlet die is 10 cm, and the caliber of the extrusion die is 15 - 23 cm.

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

[0009] The adjustment structure includes a guide rail, a lead screw, and a motor. The motor is installed on the first fixing plate. The lead screw is located between the two guide rails. The motor is connected to the lead screw. Both the guide rail and the lead screw are connected to the first fixing plate. A connecting plate is sleeved on the lead screw and is slidably connected to the guide rail.

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

[0011] The telescopic cylinder is connected to the connecting plate, and the pushing shaft is connected to the telescopic cylinder.

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

[0013] A protective plate is provided on the second fixing plate, and the protective plate surrounds the periphery of the extrusion die.

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

[0015] A pushing head is provided on the pushing shaft, and the pushing head extends into the extrusion die.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the present utility model are as follows:

[0017] 1. In the present utility model, by providing an extended outlet die, where the length of the extended outlet die is 10 cm and the diameter of the extrusion die is 15 - 23 cm, this structure can extend the flow time of the melt in the die, improve the flow stability, thereby improving the thickness uniformity and surface quality of the extruded film. At the same time, by optimizing the die diameter, it can be adjusted to different sizes such as 15 cm, 23 cm, or 18 cm to meet the production requirements of PTFE air purification films with different widths or diameters, enhancing the adaptability and flexibility of the equipment. The improved die design can reduce material waste and equipment wear during the extrusion process, thereby reducing maintenance costs and production costs.

[0018] 2. In the present utility model, the extended outlet die can also be set to be detachable, so that the extended outlet die is detachably connected to the extrusion die, improving the applicability of extended outlet dies with different lengths. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0020] Figure 1The three-dimensional view of an extended outlet die of a PTFE air purification membrane extruder Figure 1 。

[0021] Figure 2 The three-dimensional view of an extended outlet die of a PTFE air purification membrane extruder Figure 2 。

[0022] Figure 3 The three-dimensional view of an extended outlet die of a PTFE air purification membrane extruder Figure 3 。

[0023] Legend:

[0024] 1 - Installation table; 2 - First fixed plate; 3 - Second fixed plate; 4 - Support plate; 5 - Adjustment structure; 51 - Guide rail; 52 - Lead screw; 53 - Motor; 6 - Pushing shaft; 7 - Extended outlet die; 8 - Telescopic cylinder; 9 - Protective plate; 10 - Extrusion die; 11 - Connecting plate. Detailed implementation manners

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are a part of the embodiments of the present invention, rather than all the embodiments. Usually, the components of the embodiments of the present invention described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention claimed, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0028] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0029] In the description of the embodiments of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "inner" is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is habitually placed during use. It is 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 should not be construed as a limitation to the present utility model.

[0030] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", and "connected" 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 directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0031] Please refer to Figures 1 - 3 , the present utility model provides a technical solution: an extended outlet die of a PTFE air purification film extruder, including an installation table 1, a first fixing plate 2, a second fixing plate 3, and a support plate 4 are arranged on the installation table 1. An adjustment structure 5 is arranged on the first fixing plate 2, and a pushing shaft 6 is adjustably connected to the adjustment structure 5. One side of the extrusion die 10 is connected to the second fixing plate 3, and the other side is connected to the support plate 4. An extended outlet die 7 is arranged on the extrusion die 10.

[0032] The length of the extended outlet die 7 is 10 cm, and the diameter of the extrusion die 10 is 15 - 23 cm. At the same time, by optimizing the die diameter, it can be adjusted to different sizes such as 15 cm, 23 cm, or 18 cm, etc., to meet the production requirements of PTFE air purification films with different widths or diameters, and enhance the adaptability and flexibility of the equipment.

[0033] The adjustment structure 5 includes a guide rail 51, a lead screw 52, and a motor 53. The motor 53 is installed on the first fixing plate 2. The lead screw 52 is located between the two guide rails 51. The motor 53 is connected to the lead screw 52. Both the guide rail 51 and the lead screw 52 are connected to the first fixing plate 2. A connecting plate 11 is sleeved on the lead screw 52 and slidably connected to the guide rail 51. This enables the connecting plate to be moved according to requirements, so that the pushing port of the pushing shaft and the extrusion die are aligned.

[0034] The telescopic cylinder 8 is connected to the connecting plate 11, and the pushing shaft 6 is connected to the telescopic cylinder 8. This enables the telescopic cylinder to push the pushing shaft to move, improving the extrusion efficiency.

[0035] A protective plate 9 is provided on the second fixed plate 3, and the protective plate 9 surrounds the periphery of the material extrusion die 10. The material extrusion die is protected to prevent people from accidentally touching and getting injured due to the too high temperature on the outer surface of the material extrusion die.

[0036] A material pushing head is provided on the material pushing shaft 6, and the material pushing head extends into the material extrusion die 10.

[0037] The telescopic air cylinder drives the material pushing head to move to extrude the material inside the material extrusion die to produce the air purification film.

[0038] Working principle: By setting an extended outlet die, the length of the extended outlet die is 10 cm, and the diameter of the material extrusion die is 15 - 23 cm. This structure can extend the flow time of the melt in the die, improve the flow stability, thereby improving the thickness uniformity and surface quality of the extruded film. At the same time, by optimizing the die diameter, it can be adjusted to different sizes such as 15 cm, 23 cm or 18 cm to meet the production requirements of PTFE air purification films with different widths or diameters, enhance the adaptability and flexibility of the equipment. The improved die design can reduce material waste and equipment wear during the extrusion process, thereby reducing maintenance costs and production costs.

[0039] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. An extended outlet die of a PTFE air purification membrane extruder, characterized in that: It includes a mounting platform, on which a first fixed plate, a second fixed plate and a support plate are arranged, the first fixed plate is provided with an adjustment structure, the push shaft is adjustably connected to the adjustment structure, one side of the extrusion die is connected to the second fixed plate, and the other side is connected to the support plate, and the extrusion die is provided with an extended outlet die.

2. The elongated outlet die of a PTFE air purification membrane extruder according to claim 1, characterized in that: The length of the extended outlet die is 10 cm, and the caliber of the extrusion die is 15-23 cm.

3. The elongated outlet die of a PTFE air purification membrane extruder according to claim 2, characterized in that: The adjustment structure includes a guide rail, a screw rod and a motor, the motor is mounted on the first fixed plate, the screw rod is located between the two guide rails, the motor is connected to the screw rod, the guide rail and the screw rod are both connected to the first fixed plate, and the connecting plate is sleeved on the screw rod and slidably connected to the guide rail.

4. The elongated outlet die of a PTFE air purification membrane extruder according to claim 3, characterized in that: The telescopic cylinder is connected to the connecting plate, and the pushing shaft is connected to the telescopic cylinder.

5. The elongated outlet die of a PTFE air purification membrane extruder according to claim 4, characterized in that: The second fixing plate is provided with a protection plate, and the protection plate surrounds the peripheral side of the extrusion die.

6. The extended outlet die of the PTFE air purification membrane extruder according to claim 1, characterized in that A pushing head is arranged on the pushing shaft, and the pushing head extends into the interior of the extrusion die.

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