CN211807391U

CN211807391U - Polytrifluoroethylene overlength horizontal rod mold structure

Info

Publication number: CN211807391U
Application number: CN202020185500.8U
Authority: CN
Inventors: 肖伟
Original assignee: Zhuzhou Ruiming Engineering Plastics Co ltd
Current assignee: Zhuzhou Ruiming Engineering Plastics Co ltd
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2020-10-30
Anticipated expiration: 2030-02-19

Abstract

The utility model discloses a polytrifluoroethylene overlength horizontal rod die structure, which comprises an upper die part and a lower die part, wherein the lower end of the upper die part is connected with the lower die part, the upper die part comprises a first base, a first cylinder, an upper pressure rod and an upper arc groove, the first cylinder is installed on one side of the first base, the lower end of the first cylinder is connected with the upper pressure rod, and the lower end surface of the upper pressure rod is provided with the upper arc groove; the lower die component comprises a second base, a second cylinder, a lower pressing rod, a lower arc groove and an ejection mechanism, the lower pressing rod is fixedly connected to one side of the second base, the lower arc groove is formed in the middle of the upper end of the lower pressing rod, and the second cylinder is fixedly mounted on one side of the second base. Not only the length of the polytrifluoroethylene rod is increased by more than one time, but also the loss of the material is reduced, the processing cost is reduced, the production efficiency is improved, and the labor cost is reduced.

Description

Polytrifluoroethylene overlength horizontal rod mold structure

Technical Field

The utility model relates to a polytrifluoroethylene stick production technical field specifically is a polytrifluoroethylene overlength horizontal stick mould structure.

Background

According to the processing characteristics of the polychlorotrifluoroethylene material, as the raw material is powdery, a large amount of air is easy to permeate into the melt during heating and plasticizing. Therefore, during the compression molding process, the air is generally exhausted by plasticizing, i.e., the raw material filled into the cavity is heated and softened into a semi-molten sponge body, and then the air is exhausted by bidirectional pressure. In the molding process of pressure maintaining, cooling and shaping of the product, bidirectional stress is also needed, and the density of the product is increased and is consistent. The biggest defect of the vertical hydraulic equipment in compression molding is that the vertical hydraulic equipment is stressed in one direction, air is not exhausted completely when preplasticizing is caused upwards, the pressure of the upper end cannot be transmitted to the lower end in the molding process of pressure maintaining, cooling and shaping, the lower end of a mold cavity product is cooled and shaped in a pressure loss state, the overall length of the mold is long, the stroke of a vertical press of about 100 tons cannot meet the length of the mold, mold unloading is difficult, the quality of the product cannot be guaranteed through one-way compression, and only products with the length of about 200mm can be produced. Therefore, the product is crystallized due to pressure loss, the color of the product is inconsistent, or the densities of the upper end and the lower end of the product are inconsistent due to pressure loss, the product quality is seriously influenced, and the development of the industry is restricted. The problems of low production efficiency, long production period and high labor cost of the mould pressing rod are caused.

Disclosure of Invention

An object of the utility model is to provide a horizontal excellent mould structure of polytrifluoroethylene overlength not only increases polytrifluoroethylene stick length more than one time, and the loss of the material that reduces has reduced the processing cost moreover, improves production efficiency, reduces the cost of labor to prior art problem has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the polytrifluoroethylene overlong horizontal rod die structure comprises an upper die part and a lower die part, wherein the lower end of the upper die part is connected with the lower die part, the upper die part comprises a first base, a first cylinder, an upper pressure rod and an upper arc groove, the first cylinder is installed on one side of the first base, the lower end of the first cylinder is connected with the upper pressure rod, and the lower end surface of the upper pressure rod is provided with the upper arc groove which is recessed leftwards and is through at two ends;

the lower die part comprises a second base, a second cylinder, a lower pressing rod, a lower arc groove and an ejection mechanism, the lower pressing rod is fixedly connected to one side of the second base, the lower arc groove is formed in the middle of the upper end of the lower pressing rod, the second cylinder is fixedly mounted to one side of the second base, the lower end of the second cylinder is connected with the ejection mechanism, the ejection mechanism comprises a top plate, ejector rods and supporting pieces, the lower end of the lower pressing rod is provided with the top plate, the top plate is provided with a plurality of ejector rods which are arranged at equal intervals, the ejector rods are in through connection with the lower pressing rod, and one end of each ejector rod is connected with the arc supporting piece.

Preferably, a mounting plate is arranged between the first base and the upper pressure rod, and the upper end of the mounting plate is connected with the upper pressure rod through a linear sliding rail in a sliding manner.

Preferably, the second base and the top plate are slidably connected through a linear sliding rail.

Preferably, the right end face of the lower arc groove is an inward-concave arc-shaped face, the middle part of the lower arc groove is connected with an upper pressure rod in an embedded mode, and a circular pore channel is formed between the upper arc groove and the lower arc groove.

Preferably, the supporting sheet is positioned on the inner surface of the lower arc groove.

Preferably, the length of the upper arc groove and the lower arc groove is 300mm-450mm, and the depth of the lower arc groove is 7mm-12 mm.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a horizontal stick mould structure of polytrifluoroethylene overlength changes vertical press into horizontal press, and mould length changes into the cooperation mould 1350mm from original whole mould 450mm, and depression bar length changes the long depression bar of original 200mm into the long depression bar of 500mm, can produce polytrifluoroethylene stick of 300mm to 450 mm; not only the length of the polytrifluoroethylene rod is increased by more than one time, but also the loss of the material is reduced, the processing cost is reduced, the production efficiency is improved, and the labor cost is reduced.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a view of the upper mold part structure of the present invention;

FIG. 3 is a structural diagram of the lower mold part of the present invention;

FIG. 4 is a structural view of the push rod of the present invention;

fig. 5 is a structure view of the supporting sheet of the present invention.

In the figure: 1. an upper mold part; 11. a first base; 12. a first cylinder; 13. an upper pressure lever; 14. an upper arc groove; 15. mounting a plate; 2. a lower mold part; 21. a second base; 22. a second cylinder; 23. a lower pressure lever; 24. a lower arc groove; 25. an ejection mechanism; 251. a top plate; 252. a top rod; 253. and (7) supporting sheets.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

referring to fig. 1-2, a polytrifluoroethylene overlength horizontal rod mold structure comprises an upper mold part 1 and a lower mold part 2, the lower end of the upper mold part 1 is connected with the lower mold part 2, the upper mold part 1 comprises a first base 11, a first cylinder 12, an upper pressure rod 13 and an upper arc groove 14, the first cylinder 12 is installed on one side of the first base 11, the lower end of the first cylinder 12 is connected with the upper pressure rod 13, a mounting plate 15 is arranged between the first base 11 and the upper pressure rod 13, the upper end of the mounting plate 15 is connected with the upper pressure rod 13 by a linear slide rail in a sliding manner, the lower end face of the upper pressure rod 13 is provided with the upper arc groove 14 which is concave towards the left and has two through ends, the vertical press is changed into the horizontal press, the mold length is changed from 450mm of the original integral mold into 1350mm of the matched mold, the mold is divided into three small molds, the three small molds are combined into a whole by matching of an inner hole and, can produce a polytrifluoroethylene rod of 300mm to 450 mm; not only the length of the polytrifluoroethylene rod is increased by more than one time, but also the loss of the material is reduced, the processing cost is reduced, the production efficiency is improved, and the labor cost is reduced.

Referring to fig. 3-5, the lower mold part 2 includes a second base 21, a second cylinder 22, a lower pressing rod 23, a lower arc groove 24 and an ejection mechanism 25, one side of the second base 21 is fixedly connected with the lower pressing rod 23, the middle part of the upper end of the lower pressing rod 23 is provided with the lower arc groove 24, one side of the second base 21 is fixedly provided with the second cylinder 22, the lower end of the second cylinder 22 is connected with the ejection mechanism 25, the ejection mechanism 25 includes a top plate 251, a top rod 252 and a supporting plate 253, the lower end of the lower pressing rod 23 is provided with the top plate 251, the second base 21 and the top plate 251 are connected in a sliding manner through a linear sliding rail, the top plate 251 is provided with a plurality of top rods 252 arranged at equal intervals, the top rods 252 are connected with the lower pressing rod 23 in a penetrating manner, one end of each top rod 252 is connected with an arc supporting plate 253, the supporting plate 253 is located on the inner surface of the lower arc groove 24, a certain amount of polytrifluoroethylene raw material, the depth of the lower arc groove 24 is 7mm-12mm, the right end face of the lower arc groove 24 is an inward-concave arc surface, the middle part of the lower arc groove 24 is connected with an upper pressure rod 13 in an embedded manner, a linear slide rail is used for orientation, the upper pressure rod 13 can accurately enter the upper pressure rod 13, a circular pore channel is formed between the upper arc groove 14 and the lower arc groove 24, the first air cylinder 12 drives the upper pressure rod 13 to press downwards, the upper pressure rod 13 is embedded into the lower arc groove 24 to extrude raw materials in the lower arc groove 24, the raw materials are compressed into the circular pore channel to form a polytrifluoroethylene rod, the second air cylinder 22 drives the ejection mechanism 25 to move upwards and vertically after molding and cooling, the supporting sheet 253 pushes out the formed polytrifluoroethylene rod from the lower arc groove 24 of the lower pressure rod 23, and the arc-shaped supporting sheet 253 can reduce damage to the rod in the demolding process.

The working principle is as follows: a certain amount of polytrifluoroethylene raw material is placed in the lower arc groove 24, the first air cylinder 12 drives the upper pressure rod 13 to press downwards, the upper pressure rod 13 is embedded in the lower arc groove 24 to extrude the raw material in the lower arc groove 24, so that the raw material is compressed into a circular pore channel to form a polytrifluoroethylene rod, the second air cylinder 22 drives the ejection mechanism 25 to move vertically upwards after molding and cooling, and the supporting sheet 253 pushes the molded polytrifluoroethylene rod out of the lower arc groove 24 of the lower pressure rod 23.

In summary, the following steps: the utility model discloses a horizontal stick mould structure of polytrifluoroethylene overlength changes vertical press into horizontal press, and mould length changes into the cooperation mould 1350mm from original whole mould 450mm, and depression bar length changes the long depression bar of original 200mm into the long depression bar of 500mm, can produce polytrifluoroethylene stick of 300mm to 450 mm; not only the length of the polytrifluoroethylene rod is increased by more than one time, but also the loss of the material is reduced, the processing cost is reduced, the production efficiency is improved, and the labor cost is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a horizontal stick mould structure of polytrifluoroethylene overlength, includes mould part (1) and bed die part (2), its characterized in that: the lower end of the upper die component (1) is connected with a lower die component (2), the upper die component (1) comprises a first base (11), a first cylinder (12), an upper pressure rod (13) and an upper arc groove (14), the first cylinder (12) is installed on one side of the first base (11), the lower end of the first cylinder (12) is connected with the upper pressure rod (13), and the lower end face of the upper pressure rod (13) is provided with the upper arc groove (14) which is concave leftwards and is through at two ends;

the lower die part (2) comprises a second base (21), a second cylinder (22), a lower press rod (23), a lower arc groove (24) and an ejection mechanism (25), one side of the second base (21) is fixedly connected with a lower pressure rod (23), the middle part of the upper end of the lower pressure rod (23) is provided with a lower arc groove (24), a second cylinder (22) is fixedly arranged on one side of the second base (21), the lower end of the second cylinder (22) is connected with an ejection mechanism (25), the ejection mechanism (25) comprises a top plate (251), an ejector rod (252) and a supporting sheet (253), the lower end of the lower pressure rod (23) is provided with a top plate (251), the top plate (251) is provided with a plurality of push rods (252) which are arranged at equal intervals, and the ejector rod (252) is connected with a lower pressure rod (23) in a penetrating way, and one end of the ejector rod (252) is connected with an arc-shaped supporting sheet (253).

2. The polytrifluoroethylene overlength horizontal rod mold structure according to claim 1, characterized in that: an installation plate (15) is arranged between the first base (11) and the upper pressure rod (13), and the upper end of the installation plate (15) is connected with the upper pressure rod (13) through a linear sliding rail in a sliding manner.

3. The polytrifluoroethylene overlength horizontal rod mold structure according to claim 1, characterized in that: the second base (21) is connected with the top plate (251) in a sliding mode through a linear sliding rail.

4. The polytrifluoroethylene overlength horizontal rod mold structure according to claim 1, characterized in that: the lower surface of the lower arc groove (24) is an inward-concave arc surface, the middle part of the lower arc groove (24) is connected with an upper pressure rod (13) in an embedded manner, and a circular pore channel is formed between the upper arc groove (14) and the lower arc groove (24).

5. The polytrifluoroethylene overlength horizontal rod mold structure according to claim 1, characterized in that: the supporting sheet (253) is positioned on the inner surface of the lower arc groove (24).

6. The polytrifluoroethylene overlength horizontal rod mold structure according to claim 1, characterized in that: the length of the upper arc groove (14) and the lower arc groove (24) is 300mm-450mm, and the depth of the lower arc groove (24) is 7mm-12 mm.