CN210590424U

CN210590424U - Plastic mould is used in plastic ring production

Info

Publication number: CN210590424U
Application number: CN201921566114.7U
Authority: CN
Inventors: 黄惠权
Original assignee: Huizhou Jinfeng Plastic Mould Precision Co Ltd
Current assignee: Huizhou Jinfeng Plastic Mould Precision Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-05-22
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a plastic mould for producing plastic rings, which comprises an upper mould and a lower mould, wherein the bottom end of the upper mould and the top end of the lower mould are both provided with plastic ring cavities matched with each other, an annular groove is arranged above the plastic ring cavities in the upper mould, an annular pressing box is arranged in the annular groove, four transmission rods are symmetrically arranged at the top end of the annular pressing box, the bottom ends of the four transmission rods run through the top end of the annular pressing box and are arranged in the annular pressing box, the bottom ends of the four transmission rods are fixedly connected with a blocking plate, four through grooves are symmetrically arranged at the bottom end of the annular pressing box, a cross fixing plate is arranged above the upper mould, and the top ends of the four transmission rods are respectively and fixedly connected with the bottom end of the cross fixing plate, the raw materials are extruded, the density of the plastic raw materials is improved, and air is exhausted.

Description

Plastic mould is used in plastic ring production

Technical Field

The utility model relates to a sealing device, in particular to plastic mould is used in plastic ring production.

Background

The plastic product is made of plastics, and is made up by using high-molecular compound polymerized by addition polymerization or polycondensation reaction, commonly called plastics or resin, and can freely change its composition and form, and is formed from synthetic resin, filler, plasticizer, stabilizing agent, lubricating agent and colouring material.

The plastic ring is one of common spare and accessory parts, and is formed by injection molding in a plastic injection mold, when a traditional plastic mold is processed, because the plastic raw material is in a molten state during injection, the density of the plastic raw material has certain difference, the quality of a formed finished product is uneven, and the formed plastic product is difficult to peel off from the mold quickly, so that the processing efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic mould is used in plastic ring production to solve the problem that the plastic raw materials density that proposes among the above-mentioned background art is inhomogeneous, produce the bubble easily and be difficult for peeling off with the mould.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic mould for producing plastic rings comprises an upper mould and a lower mould, wherein the bottom end of the upper mould and the top end of the lower mould are provided with plastic ring cavities which are matched with each other, the upper end of the inner plastic ring cavity of the upper mould is provided with an annular pressing box, the annular pressing box is provided with four transmission rods in a symmetrical mode, the bottom ends of the transmission rods penetrate through the top end of the annular pressing box and are arranged inside the annular pressing box, the bottom ends of the transmission rods are fixedly connected with a blocking plate, the annular pressing box is provided with four through grooves in a symmetrical mode, the upper end of the upper mould is provided with a cross fixing plate, the top ends of the four transmission rods are respectively connected with the bottom end of the cross fixing plate, one side of the annular groove is provided with a strip-shaped groove which is communicated with each other, the inside of the strip-shaped groove is provided with an exhaust tube, and one side of the outer wall of the upper, the vacuum pump is characterized in that an air exhaust opening of the vacuum pump is fixedly connected with one end of an air exhaust pipe, the other end of the air exhaust pipe is fixedly connected with one side of the top end of the annular pressing box, and the vacuum pump is electrically connected with a power supply through a switch arranged on one side of the outer wall of the upper die.

As an optimal technical scheme of the utility model, four the closure plate position leads to groove position one-to-one with four respectively, the closure plate matches with leading to the groove size.

As an optimized technical scheme of the utility model, the fixedly connected with bracing piece is located at the center on cross fixed plate top, the top fixedly connected with handle of bracing piece.

As an optimized technical scheme of the utility model, the exhaust tube is made for the flexible telescopic hose of elasticity.

As a preferred technical scheme of the utility model, fixedly connected with arc closing plate is run through to the bottom of transfer line, arc closing plate's top fixedly connected with cushion.

As an optimized technical proposal of the utility model, the bottom surface of the annular pressing box is a polishing surface.

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

1. the utility model discloses set up the annular and pressed the case, under the use of cooperation closure plate and transfer line, can extrude the raw materials after pouring into the plastic raw materials into, improve plastic raw materials density, the exhaust air improves product quality and machining efficiency greatly.

2. Vacuum pump, exhaust tube under the use of cooperation handle and arc closing plate, can put aside logical groove with the closure plate in a flexible way, locate to produce negative pressure suction at logical groove afterwards, absorb the plastic ring after the shaping for the plastic ring can be peeled off fast with plastic ring die cavity, and greatly reduced peels off the degree of difficulty, improves separation efficiency.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a top view of the annular pressing box portion of the present invention;

FIG. 3 is a cross-sectional view of the annular pressing box portion of the present invention;

fig. 4 is a top view of the annular cross fixing plate portion of the present invention.

In the figure: 1. an upper die; 2. a lower die; 3. a plastic ring cavity; 4. an annular groove; 5. an annular pressing box; 6. a transmission rod; 7. a vacuum pump; 8. a strip-shaped groove; 9. an air exhaust pipe; 10. a cross-shaped fixing plate; 11. a support bar; 12. a grip; 13. a blocking plate; 14. an arc-shaped sealing plate.

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.

Referring to fig. 1-4, the present invention provides a technical solution of a plastic mold for plastic ring production:

according to the figure 1, the device comprises an upper die 1 and a lower die 2, wherein plastic ring cavities 3 matched with each other are drilled at the bottom end of the upper die 1 and the top end of the lower die 2, an annular groove 4 is drilled above the plastic ring cavity 3 in the upper die 1, an annular pressing box 5 is movably arranged in the annular groove 4, four transmission rods 6 are symmetrically arranged at the top end of the annular pressing box 5, the bottom ends of the four transmission rods 6 penetrate through the top end of the annular pressing box 5 and are arranged in the annular pressing box 5, blocking plates 13 are fixedly connected with the bottom ends of the four transmission rods 6, four through grooves are symmetrically drilled at the bottom end of the annular pressing box 5, a cross fixing plate 10 is arranged above the upper die 1, the top ends of the four transmission rods 6 are respectively and fixedly connected with the bottom end of the cross fixing plate 10, strip grooves 8 communicated with each other are drilled at one side of the annular groove 4, an air suction pipe 9 is arranged in the strip groove 8, the extraction opening of vacuum pump 7 and the one end fixed connection of exhaust tube 9, one side fixed connection on the other end and the annular on pressing box 5 top of exhaust tube 9, vacuum pump 7 is through last switch and the power electric connection that mould 1 outer wall one side was equipped with.

Wherein, the bottom surface of annular pressing box 5 is the polishing face, greatly reduced plastic material glues the probability.

According to fig. 3, four closure plate 13 positions respectively with four through groove positions one-to-one, closure plate 13 matches with logical groove size, when closure plate 13 pushes down, closure plate 13 card is gone into the inside in logical groove to plug up logical groove, prevent like this when extruding plastic material that plastic material infiltration annular from pressing in the case 5.

As shown in FIG. 4, a support rod 11 is fixedly connected to the center of the top end of the cross-shaped fixing plate 10, and a grip 12 is fixedly connected to the top end of the support rod 11, so that an operator can hold and apply force conveniently.

According to the illustration in fig. 3, the suction tube 9 is made of an elastic flexible tube, and the suction tube 9 can be retracted when the annular pressing box 5 is lifted.

According to the illustration in fig. 3, the bottom of the transmission rod 6 is fixedly connected with an arc-shaped sealing plate 14 in a penetrating manner, the top end of the arc-shaped sealing plate 14 is fixedly connected with an elastic pad, and after the transmission rod 6 rises to a certain height, the arc-shaped sealing plate 14 can seal the top end of the annular pressing box 5, so that air leakage is reduced, and rapid vacuum pumping is facilitated.

When the plastic mold is used, the utility model relates to a plastic mold for producing plastic rings, an operator firstly injects a certain amount of plastic raw materials into the plastic ring cavity 3, then the operator can hold the handle 12 to press downwards, at the moment, the baffle 13 is clamped into the inside of the through groove, thereby the annular pressing box 5 is driven to be pressed down integrally through the baffle 13, the raw materials in the plastic ring cavity 3 are fully extruded, the density of the plastic raw materials is improved, the air in the plastic raw materials is discharged, the plastic raw materials are waited for forming after the extrusion is finished, when the plastic raw materials need to be taken out after being formed, the operator firstly lifts the upper mold 1, holds the handle 12 at the moment, the transmission rod 6 is lifted upwards, because the annular pressing box 5 has a certain dead weight, the transmission rod 6 moves upwards relative to the annular pressing box 5 at the moment, thereby the baffle 13 is moved away from the through groove, when the arc-shaped sealing plate 14 is tightly, the transmission rod 6 does not move upwards any more, the switch is turned on at the moment, the vacuum pump 7 vacuumizes the interior of the annular pressing box 5 through the exhaust pipe 9, so that negative pressure suction is formed at the four through grooves, a plastic ring arranged in the plastic ring cavity 3 of the lower die 2 is sucked up, and the plastic ring cavity 3 are conveniently and quickly peeled off.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 plastic mould is used in plastic circle production, includes mould (1) and lower mould (2), its characterized in that: the bottom of going up mould (1) and the top of lower mould (2) all cut plastic ring die cavity (3) that have mutual matching, it has annular groove (4) to cut up the top of the inside plastic ring die cavity (3) of mould (1), the inside activity of annular groove (4) is equipped with the annular and presses case (5), the annular is pressed the top symmetry of case (5) and is equipped with four transfer lines (6), four the bottom of transfer line (6) all runs through the annular and presses the top of case (5) and arrange the inside that the annular pressed case (5) in, four the equal fixedly connected with closure plate (13) in bottom of transfer line (6), the annular is pressed the bottom symmetry of case (5) and is cut up four logical grooves, the top of going up mould (1) is equipped with cross fixed plate (10), four the top of transfer line (6) respectively with the bottom fixed connection of cross fixed plate (10), one side of ring channel (4) is cut strip groove (8) that has mutual intercommunication, the inside in strip groove (8) is equipped with exhaust tube (9), one side fixed mounting who goes up mould (1) outer wall has vacuum pump (7), the extraction opening of vacuum pump (7) and the one end fixed connection of exhaust tube (9), one side fixed connection on one side on case (5) top is pressed to the other end and the annular of exhaust tube (9), switch and power electric connection that vacuum pump (7) were equipped with through last mould (1) outer wall one side.

2. The plastic mold for producing plastic ring according to claim 1, wherein: the positions of the four blocking plates (13) are in one-to-one correspondence with the positions of the four through grooves respectively, and the blocking plates (13) are matched with the sizes of the through grooves.

3. The plastic mold for producing plastic ring according to claim 1, wherein: the center of the top end of the cross fixing plate (10) is fixedly connected with a supporting rod (11), and the top end of the supporting rod (11) is fixedly connected with a handle (12).

4. The plastic mold for producing plastic ring according to claim 1, wherein: the air suction pipe (9) is made of an elastic telescopic hose.

5. The plastic mold for producing plastic ring according to claim 1, wherein: the bottom of the transmission rod (6) penetrates through and is fixedly connected with an arc-shaped sealing plate (14), and the top end of the arc-shaped sealing plate (14) is fixedly connected with an elastic pad.

6. The plastic mold for producing plastic ring according to claim 1, wherein: the bottom surface of the annular pressing box (5) is a polished surface.