CN217597639U

CN217597639U - Die pressing process die for polytetrafluoroethylene product

Info

Publication number: CN217597639U
Application number: CN202221123114.1U
Authority: CN
Inventors: 杨震宇; 杨创杰; 代贵华
Original assignee: Wuhan Engineering Plastics Co ltd
Current assignee: Wuhan Engineering Plastics Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-10-18
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a polytetrafluoroethylene product mould pressing process mould, which comprises a workbench, wherein one side of the workbench is provided with a fixed plate, one side of the fixed plate is provided with a cylinder, the top end of the workbench is provided with a sliding plate in sliding connection with the workbench, one side of the top end of the sliding plate is provided with a first opening, the top end of the sliding plate is provided with a lower mould in contact with the sliding plate, the middle part of the bottom end of the workbench is provided with a second opening, the bottom end of the workbench is provided with a pair of convex plates, and a buffer screen cloth is arranged between the two convex plates; the beneficial effects are that: through setting up the drum of two mouthfuls about with the bed die to cooperation cylinder, slide, opening one, opening two, slide, spliced pole and flexure strip etc. need not borrow other ejecting device and carry out the drawing of patterns, only need continue to drive the bed die and move down the polytetrafluoroethylene powder shaping product that pushes out in the bed die, and is efficient, and polytetrafluoroethylene powder shaping product integrality is good.

Description

Die pressing process die for polytetrafluoroethylene product

Technical Field

The utility model relates to a polytetrafluoroethylene goods production technical field particularly, relates to a polytetrafluoroethylene goods molding process mould.

Background

Polytetrafluoroethylene, commonly known as "plastic king", is a high molecular polymer prepared by polymerization using tetrafluoroethylene as a monomer. The polytetrafluoroethylene is white wax, semitransparent, heat-resistant and cold-resistant, and can be used at minus 180-260 ℃ for a long time. When the polytetrafluoroethylene product is manufactured, polytetrafluoroethylene powder needs to be poured into a lower die, and the upper die is driven to move downwards by a hydraulic device to extrude and form the polytetrafluoroethylene powder.

The existing polytetrafluoroethylene product molding process mold is a single-opening cylinder and single in function, demolding is carried out by arranging an ejection device after polytetrafluoroethylene powder is extruded and molded, the existing polytetrafluoroethylene product molding process mold does not have a collection protection function, and the safety of a product after the polytetrafluoroethylene powder is extruded and molded is hardly guaranteed.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a polytetrafluoroethylene goods mould pressing technology mould to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a polytetrafluoroethylene goods molding process mould, includes the workstation, one side of workstation is equipped with the fixed plate, one side of fixed plate is equipped with the cylinder, the top of workstation is equipped with rather than sliding connection's slide, top one side of slide is equipped with opening one, the top of slide is equipped with the bed die rather than contacting, the bottom middle part of workstation is equipped with opening two, the bottom of workstation is equipped with a pair of flange, two be equipped with the buffering screen cloth between the flange, two the front of flange all is equipped with logical groove, two it all is equipped with rather than the assorted slide bar to lead to inslot portion, both ends all are equipped with the separation blade around the slide bar, the top of slide bar be equipped with a pair ofly with the spring that the top in logical groove is connected.

Preferably, the top middle part of workstation is equipped with a pair of support body, two one side that the support body is close to each other all is equipped with the spout, two the spout is inside all to be equipped with rather than assorted slide, two one side that the slide is close to each other all be equipped with the spliced pole that the bed die outer wall is connected.

Preferably, the top ends in the two sliding grooves and the bottom ends in the two sliding grooves are respectively provided with a pair of elastic pieces, each elastic piece is of an arc-shaped structure, and the ends, close to each other, of the upper pair of elastic pieces and the lower pair of elastic pieces are respectively provided with a connecting roller which is in contact with the sliding seat.

Preferably, two pairs of stop rods connected with the inner walls of the two sliding grooves are arranged in the two sliding grooves, and each pair of stop rods are correspondingly positioned between each pair of elastic pieces.

Preferably, the middle parts of the two sides, far away from each other, of the baffle plates are provided with convex columns, and the surfaces of the convex columns are sleeved with anti-skid rubber sleeves.

Preferably, the lower die is of a cylindrical structure, the size of the second opening is the same as that of the first opening, and the diameter of the first opening is located between the diameter of the outer wall of the lower die and the diameter of the inner wall of the lower die.

The utility model has the advantages that:

1. the lower die is arranged into a cylinder with two openings at the upper part and the lower part, and the cylinder, the sliding plate, the opening I, the opening II, the sliding seat, the connecting column, the elastic sheet and the like are matched, so that demoulding is carried out without using other ejection devices, only the upper die is continuously driven to move downwards to push out a polytetrafluoroethylene powder forming product in the lower die, the efficiency is high, and the integrity of the polytetrafluoroethylene powder forming product is good;

2. through the collection buffer that sets up flange, buffering screen cloth, lead to constitutions such as groove, slide bar and separation blade in the bottom of workstation, not only can collect polytetrafluoroethylene powder shaping product, prevent to break away from the departure, can reduce the impact of polytetrafluoroethylene powder shaping product simultaneously, provide good shock-absorbing capacity, the security of very big improvement polytetrafluoroethylene powder shaping product.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a mold for a Polytetrafluoroethylene (PTFE) product molding process according to an embodiment of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1 of a mold for a polytetrafluoroethylene article molding process in accordance with an embodiment of the present invention;

fig. 3 is a bottom view of a teflon product molding process mold according to an embodiment of the present invention;

fig. 4 is a rear view of a front frame body in a molding process die for a polytetrafluoroethylene product according to an embodiment of the present invention.

In the figure:

1. a work table; 2. a fixing plate; 3. a cylinder; 4. a slide plate; 5. a first opening; 6. a lower die; 7. a second opening; 8. a convex plate; 9. buffering the mesh cloth; 10. a through groove; 11. a slide bar; 12. a baffle plate; 13. a spring; 14. a frame body; 15. a chute; 16. a slide base; 17. connecting columns; 18. an elastic sheet; 19. a connecting roller; 20. a stop lever; 21. a convex column.

Detailed Description

To further illustrate the various embodiments, the present invention provides the accompanying drawings, which are part of the disclosure and which are primarily intended to illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and, by reference to these drawings, those of ordinary skill in the art will understand the principles of the invention and its advantages, with reference to the drawings and figures, in which elements are not drawn to scale and like elements are generally designated by like reference numerals.

According to the utility model discloses an embodiment provides a polytetrafluoroethylene goods mould pressing technology mould.

The first embodiment;

as shown in fig. 1-4, according to the utility model discloses polytetrafluoroethylene goods mould pressing technology mould, including workstation 1, one side of workstation 1 is equipped with fixed plate 2, one side of fixed plate 2 is equipped with cylinder 3, the top of workstation 1 is equipped with rather than sliding connection's slide 4, top one side of slide 4 is equipped with opening one 5, the top of slide 4 is equipped with rather than the bed die 6 that contacts, the bottom middle part of workstation 1 is equipped with opening two 7, the bottom of workstation 1 is equipped with a pair of flange 8, two be equipped with buffering screen cloth 9 between the flange 8, two the front of flange 8 all is equipped with logical groove 10, two lead to the inslot 10 inside all be equipped with rather than assorted slide bar 11, both ends all are equipped with separation blade 12 around slide bar 11, the top of slide bar 11 be equipped with a pair of with the spring 13 that the top in leading to the groove 10 is connected.

Example two;

as shown in fig. 1-4, according to the polytetrafluoroethylene products molding process die of the embodiment of the present invention, the top middle part of the workbench 1 is provided with a pair of frame bodies 14, two one side of the frame bodies 14 close to each other is provided with a sliding groove 15, two sliding grooves 15 are provided inside with a sliding base 16 matched with the sliding base, two one side of the sliding base 16 close to each other is provided with a connecting column 17 connected with the outer wall of the lower die 6, so as to collect the polytetrafluoroethylene products coming off from the inside of the lower die 6, and ensure the safety of the polytetrafluoroethylene products, and prevent the polytetrafluoroethylene products from being damaged by collision, two top ends and inner bottom ends of the sliding grooves 15 are provided with a pair of elastic pieces 18, the elastic pieces 18 are arc-shaped structures, two pairs of upper and lower elastic pieces 18 are provided with connecting rollers 19 contacting with the sliding base 16, so as to improve the stability of the lower die 6, and at the same time, the lower die 6 has a certain up-down moving space, so as to facilitate sliding of the sliding plate 4, two pairs of sliding grooves 15 are provided with two pairs of stop rods 20 corresponding to each pair between each pair of stop rods 20, and each pair of elastic pieces 18 is located between each other, so as to limit the bending range of bending, and prevent the elastic pieces 18 from being damaged due to the bending phenomenon.

Example three;

as shown in fig. 1-4, according to the utility model discloses a polytetrafluoroethylene goods molding process mould, two one side middle part that separation blade 12 kept away from each other all is equipped with projection 21, the surface cover of projection 21 is equipped with the anti-skidding rubber sleeve, makes things convenient for the staff to upwards mention whole separation blade 12 to conveniently take out the polytetrafluoroethylene goods on the buffering screen cloth 9, lower mould 6 is the drum structure, opening two 7 with opening 5 size is the same, the diameter size of opening 5 is located between 6 outer wall diameters of lower mould and the inner wall diameter, makes the bottom of lower mould 6 fully contact with the top of slide 4, prevents that 6 joints of lower mould from influencing the slip of slide 4 on opening 5.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

When in actual application, pouring polytetrafluoroethylene powder into bed die 6 in, start hydraulic means and drive the mould and move down and insert inside the bed die 6, accomplish the extrusion of the inside polytetrafluoroethylene powder of bed die 6, after accomplishing, go up the mould and shift up earlier, start cylinder 3, promote slide 4 and remove, make opening one 5 and opening two 7 coincidence, drive the mould and move down, push the inside fashioned polytetrafluoroethylene powder of bed die 6 on buffering screen cloth 9, grip projection 21 and the separation blade 12 that moves up, take out the fashioned polytetrafluoroethylene powder of buffering screen cloth 9 top.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a polytetrafluoroethylene goods molding process mould, its characterized in that, includes workstation (1), one side of workstation (1) is equipped with fixed plate (2), one side of fixed plate (2) is equipped with cylinder (3), the top of workstation (1) is equipped with rather than sliding connection's slide (4), top one side of slide (4) is equipped with opening one (5), the top of slide (4) is equipped with mould (6) rather than contacting, the bottom middle part of workstation (1) is equipped with opening two (7), the bottom of workstation (1) is equipped with a pair of flange (8), two be equipped with buffering screen cloth (9) between flange (8), two the front of flange (8) all is equipped with logical groove (10), two lead to groove (10) inside all be equipped with rather than assorted slide bar (11), both ends all are equipped with separation blade (12) around slide bar (11), the top of slide bar (11) be equipped with a pair of with the spring (13) that the top is connected in logical groove (10).

2. A teflon product molding process die according to claim 1, wherein a pair of frame bodies (14) is arranged in the middle of the top end of the working table (1), sliding grooves (15) are arranged on the sides of the two frame bodies (14) close to each other, sliding seats (16) matched with the sliding grooves (15) are arranged in the two sliding grooves (15), and connecting columns (17) connected with the outer wall of the lower die (6) are arranged on the sides of the two sliding seats (16) close to each other.

3. A teflon product molding process die according to claim 2, characterized in that a pair of elastic pieces (18) are arranged at the top end and the bottom end in the two sliding chutes (15), the elastic pieces (18) are arc-shaped, and the ends of the upper and lower pairs of elastic pieces (18) close to each other are provided with connecting rollers (19) contacting with the sliding base (16).

4. A ptfe product molding process die according to claim 3, wherein two pairs of bars (20) connected to the inner wall of each of the two sliding grooves (15) are provided, and each pair of bars (20) is correspondingly located between each pair of the elastic pieces (18).

5. The molding process die for polytetrafluoroethylene products according to claim 1, wherein the middle of the side of each of said two baffles (12) away from each other is provided with a convex column (21), and the surface of said convex column (21) is sleeved with an anti-slip rubber sleeve.

6. A ptfe product molding process die according to claim 1, wherein the lower die (6) is a cylinder, the second opening (7) and the first opening (5) are the same size, and the diameter of the first opening (5) is between the outer wall diameter and the inner wall diameter of the lower die (6).