CN217704486U

CN217704486U - Dust box cover sprue-free injection mold

Info

Publication number: CN217704486U
Application number: CN202222027688.5U
Authority: CN
Inventors: 濮留娥; 黄骁伟; 沈宏誉
Original assignee: Suzhou Kaideshi Electronic Technology Co ltd
Current assignee: Suzhou Kaideshi Electronic Technology Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-01
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a dust case lid no-sprue injection mold, including the movable mould and the static mould that are used for dust case lid injection moulding, the inside of movable mould and static mould all is equipped with the die cavity, set up the runner that communicates with the die cavity in the static mould on the static mould, be equipped with on the static mould and be used for the partition mechanism to runner material separated, partition mechanism is including seting up in the static mould inner wall and the groove of accomodating that is linked together with the runner, and the groove of accomodating extends the static mould outer wall, and the inside slip of accomodating the groove is equipped with and accomodates the groove assorted division board, installs the electric putter of drive division board motion on the static mould; the utility model discloses back in pouring into injection mold with the injection molding material, electric putter's output shaft drives the division board and removes along the direction of accomodating the groove in accomodating the groove, separates runner and die cavity for the dirt case lid can not have the runner material in the runner department after injection moulding, has guaranteed the roughness of the dirt case lid after injection moulding.

Description

Dust box cover sprue-free injection mold

Technical Field

The utility model relates to an injection mold specifically is a dirt case lid does not have runner injection mold.

Background

Injection molding is a method for producing and molding industrial products. The products are generally made by rubber injection molding and plastic injection molding. The injection molding can be divided into injection molding and die casting, the injection molding machine is the main molding equipment for making various shapes of plastic products from thermoplastic plastics or thermosetting materials by using a plastic molding die, and the injection molding is realized by an injection molding machine and the die.

At present, most no runner material injection mold is when covering injection moulding to the dirt case, and the runner department of moulding plastics produces the runner material easily, will influence the roughness of injection moulding dirt case lid runner department, therefore we improve this, provide a dirt case lid no runner injection mold.

SUMMERY OF THE UTILITY MODEL

For solving the defect that prior art exists, the utility model provides a dirt case lid does not have runner injection mold.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a dirt case lid no runner injection mold, including being used for dust case lid injection moulding's movable mould and quiet mould, the inside of movable mould and quiet mould all is equipped with the die cavity, set up on the quiet mould with the communicating runner of die cavity in the quiet mould, be equipped with on the quiet mould and be used for the separating partition mechanism to the runner material, partition mechanism is including seting up the groove of accomodating that is linked together at quiet mould inner wall and with the runner, accomodate the groove and extend quiet mould outer wall, accomodate the inside in groove and slide and be equipped with and accomodate groove assorted division board, install the electric putter of drive division board motion on the quiet mould.

As an optimized technical scheme of the utility model, the thickness of division board equals with the degree of depth of accomodating the groove.

As an optimal technical scheme of the utility model, the quiet mould outer wall is equipped with the pipe of moulding plastics that is linked together with the runner, and the cover is equipped with heating mechanism on the outer wall of the pipe of moulding plastics.

As the utility model discloses a preferred technical scheme heating mechanism establishes the first arc frid on the pipe of moulding plastics and the second arc frid that matches with first arc frid including the cover, is equipped with in the first arc frid and moulds plastics a first arc electrothermal tube of tub assorted, is equipped with in the second arc frid with first arc electrothermal tube assorted second arc electrothermal tube.

As a preferred technical scheme of the utility model, first arc wall board is equipped with the thread groove, and the trompil and the first arc wall board threaded connection that set up on the second arc wall board are passed through to the second arc wall board through the screw.

As a preferred technical scheme of the utility model, all be equipped with the draw-in groove on first arc frid and the second arc frid, be equipped with on first arc electrothermal tube and the second arc electrothermal tube with draw-in groove assorted fixture block.

As an optimized technical scheme of the utility model, the runner both sides are equipped with the recess, are equipped with the heating pipe in the recess.

The beneficial effects of the utility model are that:

1. this kind of dirt case lid does not have runner injection mold, back in pouring into injection mold with the injection molding material, electric putter's output shaft drives the division board and removes along the direction of accomodating the groove in accomodating the inslot, separates runner and die cavity for the dirt case lid can not have the runner material in the runner department after injection moulding, has guaranteed the roughness of the dirt case lid after injection moulding.

2. This kind of dirt case lid does not have runner injection mold, through being equipped with heating mechanism at the pipe of moulding plastics, the material that the pipe flow of making mould plastics to the runner keeps the hot melt state always, can not mould plastics in the mould and solidify in the intraductal formation of moulding plastics, and first arc frid and second arc frid pass through the screw up fixedly, the convenience is dismantled first arc frid and second arc frid, thereby can dismantle first arc electrothermal tube and second arc electrothermal tube on first arc frid and the second arc frid, can be timely change after convenient first arc electrothermal tube and the damage of second arc electrothermal tube.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic structural view of a sprueless injection mold for a dust box cover of the present invention;

FIG. 2 is a schematic structural view of a static mold of a sprueless injection mold for a dust box cover according to the present invention;

FIG. 3 is a schematic structural view of a first arc-shaped groove plate and a second arc-shaped groove plate of a sprueless injection mold of the dust box cover according to the present invention;

fig. 4 is a schematic structural view of the gate-free injection mold clamping groove and the clamping block of the dust box cover.

In the figure: 1. moving the mold; 2. static molding; 3. a mold cavity; 4. a gate; 5. a separation mechanism; 6. a receiving groove; 7. a partition plate; 8. an electric push rod; 9. injection molding a tube; 10. a heating mechanism; 11. a first arc-shaped groove plate; 12. a second arc-shaped groove plate; 13. a first arc-shaped electric heating tube; 14. a second arc-shaped electric heating tube; 15. a groove; 16. heating a tube; 17. a card slot; 18. and (7) clamping blocks.

Detailed Description

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

The embodiment is as follows: as fig. 1, fig. 2, fig. 3 and fig. 4 show, the utility model relates to a dust case lid no runner injection mold, including being used for dust case lid injection moulding's movable mould 1 and quiet mould 2, the inside of movable mould 1 and quiet mould 2 all is equipped with die cavity 3, set up on the quiet mould 2 with the communicating runner 4 of die cavity 3 in the quiet mould 2, be equipped with on the quiet mould 2 and be used for separating partition mechanism 5 to the runner material, partition mechanism 5 is including seting up at the quiet mould 2 inner wall and the groove 6 of accomodating that is linked together with runner 4, accomodate groove 6 and extend 2 outer walls of quiet mould, the inside slip of accomodating groove 6 is equipped with and accomodates groove 6 assorted division board 7, install the electric putter 8 of drive division board 7 motion on the quiet mould 2, after injecting the injection mold into with the injection molding material, electric putter 8's output shaft drives division board 7 and moves along the direction of accomodating groove 6 in groove 6, runner 4 and die cavity 3 are separated, make dust can not exist in the runner department after injection moulding, the roughness of dust case lid has been guaranteed.

Wherein, the thickness of the partition plate 7 is equal to the depth of the receiving groove 6.

Wherein, the outer wall of the static mould 2 is provided with an injection molding pipe 9 communicated with the sprue 4, the outer wall of the injection molding pipe 9 is sleeved with a heating mechanism 10, the heating mechanism 10 comprises a first arc-shaped groove plate 11 sleeved on the injection molding pipe 9 and a second arc-shaped groove plate 12 matched with the first arc-shaped groove plate 11, a first arc-shaped electric heating pipe 13 matched with the injection molding pipe 9 is arranged in the first arc-shaped groove plate 11, a second arc-shaped electric heating pipe 14 matched with the first arc-shaped electric heating pipe 13 is arranged in the second arc-shaped groove plate 12, the first arc-shaped groove plate 11 is provided with a thread groove, the second arc-shaped groove plate 12 passes through an opening arranged on the second arc-shaped groove plate 12 through a screw and is in threaded connection with the first arc-shaped groove plate 11, both the first arc-shaped groove plate 11 and the second arc-shaped groove plate 12 are provided with a clamping groove 17, the first arc-shaped electric heating pipe 13 and the second arc-shaped electric heating pipe 14 are provided with clamping blocks 18 matched with the clamping groove 17, the second arc-shaped groove plate 12 and the second arc-shaped groove plate 12 are provided with a heating pipe 9, the second arc-shaped groove plate 12, the injection molding pipe can be conveniently disassembled by screwing down the injection molding pipe and the second arc-shaped groove 12, the injection molding pipe 9 and the second arc-shaped electric heating pipe can be conveniently disassembled by screwing down, the injection molding pipe 12.

Wherein, the both sides of runner 4 are equipped with recess 15, are equipped with heating pipe 16 in the recess 15, guarantee that the material in injection molding pipe 9 and runner 4 all the time keeps the hot melt state.

When the dust box cover injection molding machine works, after injection molding materials are injected into an injection mold, an output shaft of the electric push rod 8 drives the partition plate 7 to move in the accommodating groove 6 along the direction of the accommodating groove 6 to separate the pouring gate 4 from the mold cavity 3, so that the pouring gate materials cannot exist at the pouring gate of the dust box cover after injection molding, and the flatness of the dust box cover after injection molding is guaranteed; through being equipped with heating mechanism 10 at injection molding pipe 9, the material that makes injection molding pipe 9 flow to runner 4 keeps the hot melt state always, can not form in injection molding pipe 9 when the injection plastics solidify in the mould and solidify, and first arc frid 11 and second arc frid 12 pass through screw up fixedly, conveniently dismantle first arc frid 11 and second arc frid 12 to can dismantle first arc electrothermal tube 13 and second arc electrothermal tube 14 on first arc frid 11 and the second arc frid 12, can be timely change after convenient first arc electrothermal tube 13 and the damage of second arc electrothermal tube 14.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement 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 dust case lid does not have runner injection mold, is including being used for dust case lid injection moulding's movable mould (1) and quiet mould (2), the inside of movable mould (1) and quiet mould (2) all is equipped with die cavity (3), a serial communication port, set up on quiet mould (2) with the communicating runner (4) of die cavity (3) in quiet mould (2), be equipped with on quiet mould (2) and be used for separating partition mechanism (5) to the runner material, partition mechanism (5) are including offering in quiet mould (2) inner wall and the holding groove (6) that are linked together with runner (4), hold groove (6) and extend quiet mould (2) outer wall, the inside of holding groove (6) slides and is equipped with and holds groove (6) assorted division board (7), install electric putter (8) of drive division board (7) motion on quiet mould (2).

2. The sprueless injection mold for dust box cover according to claim 1, wherein the thickness of the partition plate (7) is equal to the depth of the receiving groove (6).

3. The sprueless injection mold for the dust box cover is characterized in that the outer wall of the static mold (2) is provided with an injection molding pipe (9) communicated with the sprue (4), and the outer wall of the injection molding pipe (9) is sleeved with a heating mechanism (10).

4. The sprueless injection mold for dust box cover according to claim 3, wherein the heating mechanism (10) comprises a first arc-shaped groove plate (11) sleeved on the injection molding pipe (9) and a second arc-shaped groove plate (12) matched with the first arc-shaped groove plate (11), a first arc-shaped electric heating pipe (13) matched with the injection molding pipe (9) is arranged in the first arc-shaped groove plate (11), and a second arc-shaped electric heating pipe (14) matched with the first arc-shaped electric heating pipe (13) is arranged in the second arc-shaped groove plate (12).

5. The sprueless injection mold for the dust box cover according to claim 4, wherein the first arc-shaped groove plate (11) is provided with a thread groove, and the second arc-shaped groove plate (12) is in threaded connection with the first arc-shaped groove plate (11) through a screw passing through an opening formed in the second arc-shaped groove plate (12).

6. The dust box cover sprueless injection mold as claimed in claim 4, wherein the first arc-shaped groove plate (11) and the second arc-shaped groove plate (12) are provided with a clamping groove (17), and the first arc-shaped electric heating tube (13) and the second arc-shaped electric heating tube (14) are provided with a clamping block (18) matching with the clamping groove (17).

7. The sprueless injection mold of claim 1, wherein the gate (4) is provided with grooves (15) at both sides, and the heating pipes (16) are arranged in the grooves (15).