PTFE (Polytetrafluoroethylene) coating extrusion mold convenient to quickly clean

Abstract

The utility model discloses a PTFE (Polytetrafluoroethylene) coating extrusion mold convenient to quickly clean, which relates to the technical field of extrusion molds and comprises a base column component, an upper mold component and a lower mold component, the upper mold component and the lower mold component are respectively arranged at the top and the bottom of the base column component, and the base column component is matched with the upper mold component and the lower mold component. The tail end of the base column assembly is provided with a locking assembly and a limiting assembly. According to the utility model, the integral mold is designed in a split manner and is divided into the base column assembly, the upper mold assembly and the lower mold assembly, the upper mold assembly and the lower mold assembly are clamped on the base column assembly, the upper mold assembly and the lower mold assembly are convenient to disassemble, and after each use, the upper mold assembly and the lower mold assembly can be directly disassembled, so that the mold is convenient to assemble and disassemble. When one upper mold assembly and one lower mold assembly are used, the other upper mold assembly and the other lower mold assembly are replaced, next use can be directly carried out, meanwhile, the used upper mold assembly and the used lower mold assembly are cleaned, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of extrusion molds, in particular to a PTFE coating extrusion mold which is convenient for quick cleaning. Background Art

[0002] At present, more and more plastic products are used. The production and manufacturing of most plastic products can be achieved by extrusion molding. For example, the common plastic sheets in life, the mold for producing the sheets is installed on the extruder. The extrusion mold can compress and heat the plastic into a molten liquid form and introduce it into the mold. Different mold cores are installed in the mold according to the different surface shapes and textures of the sheets to produce sheets with the expected shape and texture. The commonly used mold cores are plug-in. Different mounting blocks are plugged into the mold core according to the different textures of the sheets, and then the mold core is fixed in the mold.

[0003] However, the existing extrusion mold needs to be cleaned after each use to ensure that the next use does not affect the product quality. The existing extrusion mold is difficult to clean, and each cleaning takes a lot of time, affecting the production efficiency.

[0004] Therefore, it is necessary to invent a PTFE coating extrusion die that is convenient to clean quickly to solve the above problems. Summary of the invention

[0005] The utility model aims to provide a PTFE coating extrusion die which is convenient for quick cleaning, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PTFE coating extrusion mold that is easy to clean quickly, comprising a base column assembly, an upper mold assembly and a lower mold assembly, wherein the upper mold assembly and the lower mold assembly are respectively arranged at the top and the bottom of the base column assembly, and the base column assembly is adapted to the upper mold assembly and the lower mold assembly, and a locking assembly and a limiting assembly are installed at the tail end of the base column assembly;

[0007] The base column assembly comprises a base column, the tail of the base column is integrally formed with a boss, and a slide groove is provided inside the boss;

[0008] The upper mold assembly comprises an upper mold, and a first arc-shaped extension plate is fixedly provided at the rear end of the upper mold;

[0009] The lower mold assembly comprises a lower mold, and a second arc-shaped extension plate is fixedly provided at the rear end of the lower mold;

[0010] The locking assembly includes a locking cylinder, and the first arc-shaped extension plate and the second arc-shaped extension plate are both located inside the locking cylinder;

[0011] The limiting assembly comprises a slider, and the slider is movably arranged inside the slide groove.

[0012] Preferably, a front end is fixedly provided at the head end of the base column, limiting grooves are provided at the top and the middle of the bottom end of the base column, a first limiting column is fixedly provided at the top and the bottom end of the tail end of the base column, and a through groove is provided through the middle of one side of the top end of the slide groove.

[0013] Preferably, a first clamping plate adapted to the limiting groove is fixedly provided in the middle of the inner side wall of the upper mold, a first limiting hole adapted to the first limiting column is penetrated through the middle of the first arc-shaped extension plate, and a thread is provided on the outer side wall of the first arc-shaped extension plate, a plurality of evenly distributed second limiting columns are fixedly provided on the bottom edge of the upper mold, and a first magnet is embedded in the middle of the bottom end of the second limiting column.

[0014] Preferably, a second clamping plate adapted to the limiting groove is fixedly provided in the middle portion of the inner wall of the lower mold, a second limiting hole is penetrated through the middle portion of the second arc-shaped extension plate, and a thread is provided on the outer wall of the second arc-shaped extension plate, a plurality of evenly distributed grooves are provided on the top edge of the lower mold, and a second magnet with opposite magnetic properties to the first magnet is inlaid at the bottom of the groove, and the outer walls of the upper mold and the lower mold are sprayed with PTFE coating.

[0015] Preferably, a slot is provided on one side of the inner side wall of the locking cylinder, and the inner side wall of the slot is threadedly connected to the first arc-shaped extension plate and the second arc-shaped extension plate.

[0016] Preferably, a connecting block is fixedly provided in the middle of the top of the slider, and the connecting block movably passes through the through slot, a toggle block is fixedly provided on the top of the connecting block, a clamping rod is fixedly provided at one end of the slider, and one end of the clamping rod movably passes through the inner wall of one end of the slide slot and extends to the inside of the clamping slot, a return spring is fixedly provided at the other end of the slider, and one end of the return spring is fixedly connected to the inner wall of the other end of the slide slot.

[0017] Technical effects and advantages of the utility model:

[0018] The utility model adopts a split mold design to divide it into a base column component, an upper mold component and a lower mold component. The upper mold component and the lower mold component are clamped on the base column component. The upper mold component and the lower mold component are convenient to disassemble. After each use, the upper mold component and the lower mold component can be directly disassembled, and another upper mold component and the lower mold component can be replaced. Then, the next use can be directly carried out. At the same time, the used upper mold component and the lower mold component can be cleaned, thereby improving the production efficiency. At the same time, the PTFE coating can reduce the viscosity of the mold and the high-temperature softened plastic, making it easy to clean the upper mold component and the lower mold component, thereby improving the cleaning efficiency.

[0019] The utility model can lock the locking cylinder by setting the limiting component, and when in use, prevent the locking cylinder from automatically rotating, causing the locking cylinder to disengage, and further separating the upper mold assembly and the lower mold assembly; through the setting of the limiting groove and the first clamping plate and the second clamping plate, the base column assembly and the upper mold assembly can be limited to improve stability; through the setting of multiple second limiting columns and sinking grooves, the upper mold assembly and the lower mold assembly can be limited to improve the stability between the base column assembly and the upper mold assembly and prevent dislocation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the base column assembly of the utility model.

[0022] Figure 3 It is a three-dimensional schematic diagram of the cross-sectional structure of one end of the base column of the utility model.

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of the upper mold assembly of the utility model.

[0024] Figure 5 For the utility model Figure 4 A schematic diagram of the enlarged structure of .

[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the lower mold assembly of the utility model.

[0026] Figure 7 For the utility model Figure 6 Enlarged schematic diagram of the structure at B.

[0027] Figure 8 It is a schematic diagram of the three-dimensional structure of the locking assembly of the utility model.

[0028] In the figure: 1, base column assembly; 2, upper mold assembly; 3, lower mold assembly; 4, locking assembly; 5, limiting assembly; 6, PTFE coating; 101, base column; 102, front end; 103, limiting groove; 104, first limiting column; 105, boss; 106, slide groove; 107, through groove; 201, upper mold; 202, first arc-shaped extension plate; 203, first limiting hole; 204, first clamping plate; 205, second limiting column; 206, first magnet; 301, lower mold; 302, second arc-shaped extension plate; 303, second limiting hole; 304, second clamping plate; 305, sink groove; 306, second magnet; 401, locking cylinder; 402, clamping groove; 501, slider; 502, clamping rod; 503, connecting block; 504, toggle block; 505, reset spring. DETAILED DESCRIPTION

[0029] 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.

[0030] The utility model provides Figure 1-8 A PTFE coating extrusion mold that is easy to clean quickly is shown, comprising a base column assembly 1, an upper mold assembly 2 and a lower mold assembly 3, wherein the upper mold assembly 2 and the lower mold assembly 3 are respectively arranged at the top and the bottom of the base column assembly 1, and the base column assembly 1 is adapted to the upper mold assembly 2 and the lower mold assembly 3, and a locking assembly 4 and a limiting assembly 5 are installed at the tail end of the base column assembly 1;

[0031] The base column assembly 1 includes a base column 101, and a boss 105 is integrally formed at the tail of the base column 101, and a slide groove 106 is provided inside the boss 105;

[0032] The upper mold assembly 2 comprises an upper mold 201, and a first arc-shaped extension plate 202 is fixedly provided at the rear end of the upper mold 201;

[0033] The lower mold assembly 3 includes a lower mold 301, and a second arc-shaped extension plate 302 is fixedly provided at the rear end of the lower mold 301;

[0034] The locking assembly 4 includes a locking cylinder 401, and the first arc-shaped extension plate 202 and the second arc-shaped extension plate 302 are both located inside the locking cylinder 401;

[0035] The limiting assembly 5 includes a slider 501 , and the slider 501 is movably disposed inside the slide groove 106 .

[0036] Furthermore, a front end 102 is fixedly provided at the head end of the base column 101, and the front end 102 is made of tungsten steel to reduce the wear caused by the friction between the core wire and the mold. A first limiting hole 203 adapted to the first limiting column 104 is opened through the middle of the first arc-shaped extension plate 202, and the outer wall of the first arc-shaped extension plate 202 is provided with a thread. A plurality of evenly distributed second limiting columns 205 are fixedly provided at the bottom edge of the upper mold 201, and a first magnet 206 is inlaid in the middle of the bottom end of the second limiting column 205. A second limiting hole 303 is opened through the middle of the second arc-shaped extension plate 302, and the outer wall of the second arc-shaped extension plate 302 is provided with a thread. The first arc-shaped extension plate 202 and the second arc-shaped extension plate 302 form a full circle ring and are adapted to the locking cylinder 401. A plurality of evenly distributed sink grooves 305 are opened at the top edge of the lower mold 301. Through the arrangement of a plurality of second limiting columns 205 and sink grooves 305, the upper mold assembly can be aligned. The mold assembly 2 and the lower mold assembly 3 are limited to improve the stability between the base column assembly 1 and the upper mold assembly 2 to prevent misalignment, and the bottom of the sink groove 305 is inlaid with a second magnet 306 with a magnetic opposite to the first magnet 206, and a clamping groove 402 is provided on one side of the inner side wall of the locking cylinder 401, and the inner side wall of the clamping groove 402 is threadedly connected to the first arc-shaped extension plate 202 and the second arc-shaped extension plate 302. By designing an integral mold split type, it is divided into the arrangement of the base column assembly 1, the upper mold assembly 2 and the lower mold assembly 3, and the upper mold assembly 2 and the lower mold assembly 3 are clamped on the base column assembly 1. The upper mold assembly 2 and the lower mold assembly 3 are easy to disassemble. After each use, the upper mold assembly 2 and the lower mold assembly 3 can be directly disassembled, and another upper mold assembly 2 and the lower mold assembly 3 can be replaced, and the next use can be directly carried out. At the same time, the used upper mold assembly 2 and the lower mold assembly 3 are cleaned, thereby improving the production efficiency;

[0037] The outer side walls of the upper mold 201 and the lower mold 301 are sprayed with PTFE coating 6. The setting of PTFE coating 6 can reduce the viscosity of the mold and high-temperature softened plastic, facilitate cleaning of the upper mold assembly 2 and the lower mold assembly 3, and improve cleaning efficiency.

[0038] Secondly, the top and bottom middle parts of the base column 101 are provided with limiting grooves 103, the top and bottom ends of the tail of the base column 101 are fixedly provided with first limiting columns 104, the middle part of the inner side wall of the upper mold 201 is fixedly provided with a first clamping plate 204 adapted to the limiting groove 103, and the middle part of the inner side wall of the lower mold 301 is fixedly provided with a second clamping plate 304 adapted to the limiting groove 103. By setting the limiting groove 103, the first clamping plate 204 and the second clamping plate 304, the base column assembly 1 and the upper mold assembly 2 and the lower mold assembly 3 can be limited to improve stability;

[0039] A through slot 107 is provided in the middle of one side of the top of the slide slot 106, a connecting block 503 is fixedly provided in the middle of the top of the slider 501, and the connecting block 503 movably passes through the through slot 107, a toggle block 504 is fixedly provided at the top of the connecting block 503, a clamping rod 502 is fixedly provided at one end of the slider 501, and one end of the clamping rod 502 movably passes through the inner wall of one end of the slide slot 106 and extends to the inside of the clamping slot 402, a return spring 505 is fixedly provided at the other end of the slider 501, and one end of the return spring 505 is fixedly connected to the inner wall of the other end of the slide slot 106, and the locking cylinder 401 can be locked by the setting of the limit assembly 5. When in use, the locking cylinder 401 is prevented from automatically rotating, causing the locking cylinder 401 to disengage, thereby separating the upper mold assembly 2 and the lower mold assembly 3.

[0040] Working principle of this utility model:

[0041] After use, by toggling the toggle block 504, the toggle block 504 is driven to move in the direction away from the slot 402 and compress the return spring 505, and then the locking cylinder 401 is rotated to make the locking cylinder 401 disengage from the first arc extension plate 202 and the second arc extension plate 302, and then the upper mold assembly 2 and the lower mold assembly 3 are moved up and down to make the first magnet 206 and the second magnet 306 disengage from adsorption, and the upper mold assembly 2 and the lower mold assembly 3 can be removed from the base column assembly 1. After the disassembly is completed, another upper mold assembly 2 and the lower mold assembly 3 are reinstalled. While the mold continues to be used, the used upper mold assembly 2 and the lower mold assembly 3 can be cleaned. At the same time, the setting of the PTFE coating 6 can reduce the viscosity of the mold and the high-temperature softened plastic, facilitate the cleaning of the upper mold assembly 2 and the lower mold assembly 3, and improve the cleaning efficiency.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or 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 invention should be included in the protection scope of the present invention.

Claims

1. A PTFE coated extrusion die that is easy to clean quickly, characterized in that: The invention comprises a base column assembly (1), an upper mold assembly (2) and a lower mold assembly (3), wherein the upper mold assembly (2) and the lower mold assembly (3) are respectively arranged at the top and the bottom of the base column assembly (1), and the base column assembly (1) is compatible with the upper mold assembly (2) and the lower mold assembly (3), and a locking assembly (4) and a limiting assembly (5) are installed at the rear end of the base column assembly (1); The base column assembly (1) comprises a base column (101), the tail of the base column (101) is integrally formed with a boss (105), and a slide groove (106) is provided inside the boss (105); The upper mold assembly (2) comprises an upper mold (201), and a first arc-shaped extension plate (202) is fixedly provided at the rear end of the upper mold (201); The lower mold assembly (3) comprises a lower mold (301), and a second arc-shaped extension plate (302) is fixedly provided at the rear end of the lower mold (301); The locking assembly (4) comprises a locking cylinder (401), and the first arc-shaped extension plate (202) and the second arc-shaped extension plate (302) are both located inside the locking cylinder (401); The limiting assembly (5) comprises a sliding block (501), and the sliding block (501) is movably arranged inside the sliding groove (106).

2. A PTFE coated extrusion die that is easy to clean quickly according to claim 1, characterized in that: The front end of the base column (101) is fixedly provided with a front end (102), the top end and the middle part of the bottom end of the base column (101) are provided with a limiting groove (103), the top end and the bottom end of the tail end of the base column (101) are fixedly provided with a first limiting column (104), and the middle part of one side of the top end of the slide groove (106) is provided with a through groove (107) penetrating therethrough.

3. A PTFE coated extrusion die that is easy to clean quickly according to claim 2, characterized in that: A first clamping plate (204) adapted to the limiting groove (103) is fixedly arranged in the middle of the inner side wall of the upper mold (201), a first limiting hole (203) adapted to the first limiting column (104) is penetrated through the middle of the first arc-shaped extension plate (202), and a thread is arranged on the outer side wall of the first arc-shaped extension plate (202), a plurality of evenly distributed second limiting columns (205) are fixedly arranged on the bottom edge of the upper mold (201), and a first magnet (206) is inlaid in the middle of the bottom end of the second limiting column (205).

4. A PTFE coated extrusion die that is easy to clean quickly according to claim 3, characterized in that: A second clamping plate (304) adapted to the limiting groove (103) is fixedly arranged in the middle of the inner side wall of the lower mold (301); a second limiting hole (303) is penetrated through the middle of the second arc-shaped extension plate (302); and a thread is arranged on the outer side wall of the second arc-shaped extension plate (302); a plurality of evenly distributed sink grooves (305) are arranged on the top edge of the lower mold (301); and a second magnet (306) having a magnetic property opposite to that of the first magnet (206) is inlaid at the bottom of the sink groove (305); and the outer side walls of the upper mold (201) and the lower mold (301) are sprayed with a PTFE coating (6).

5. A PTFE coating extrusion die that is easy to clean quickly according to claim 4, characterized in that: A locking groove (402) is provided on one side of the inner side wall of the locking cylinder (401), and the inner side wall of the locking groove (402) is threadedly connected to the first arc-shaped extension plate (202) and the second arc-shaped extension plate (302).

6. A PTFE coating extrusion die that is easy to clean quickly according to claim 5, characterized in that: A connecting block (503) is fixedly provided at the middle of the top of the slider (501), and the connecting block (503) movably passes through the through slot (107); a toggle block (504) is fixedly provided at the top of the connecting block (503); a clamping rod (502) is fixedly provided at one end of the slider (501), and one end of the clamping rod (502) movably passes through the inner wall of one end of the slide slot (106) and extends to the inside of the clamping slot (402); a return spring (505) is fixedly provided at the other end of the slider (501), and one end of the return spring (505) is fixedly connected to the inner wall of the other end of the slide slot (106).

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