CN213648450U

CN213648450U - Mould for manufacturing plastic toy parts

Info

Publication number: CN213648450U
Application number: CN202021888773.5U
Authority: CN
Inventors: 邓真全
Original assignee: Heyuan Rongjiasheng Plastic Products Co ltd
Current assignee: Heyuan Rongjiasheng Plastic Products Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-07-09
Anticipated expiration: 2030-09-02

Abstract

The utility model relates to the technical field of toy manufacturing molds, and discloses a mold for manufacturing plastic toy components, which comprises a workbench, a vertical plate, an upper mold and a lower mold, wherein the vertical plate and the lower mold are integrally installed on the workbench, the lower mold is formed with a mold groove, a cavity column is formed on the bottom side of the upper mold, the upper mold and the lower mold are combined to form a molding cavity, a pouring channel is arranged in the vertical plate, the pouring channel passes through the side wall of the mold groove and is communicated with the molding cavity, exhaust steel is arranged in the side wall of the cavity column, an exhaust pipeline is arranged in the upper mold, one end of the exhaust steel is communicated with the molding cavity, the other end of the exhaust steel is communicated with the exhaust; the fixing frame is arranged on the workbench, two side arms of the fixing frame are respectively fixed at the left end and the right end of the workbench, the fixing frame is provided with a sliding groove, the sliding groove is connected with a sliding seat in a sliding mode, the sliding seat can be fixed through screws, the lower side of the sliding seat is fixedly provided with an electric telescopic rod, and an ejector rod of the electric telescopic rod can be pressed on the upper side of the upper die downwards. The utility model discloses the in-process mould of moulding plastics is fixed reliable, the die cavity is effectively carminative.

Description

Mould for manufacturing plastic toy parts

Technical Field

The utility model relates to a toy preparation mould technical field especially relates to a mould of preparation plastic toy part.

Background

An injection mold is a tool which is matched with an injection molding machine in the processing of plastic products and endows the plastic products with complete configuration and accurate dimension. When the existing injection mold is used, the lower mold and the upper mold are fixed insecurely, so that poor production of products is easily caused. In addition, when the injection mold is used for molding, the cavity is a closed space, air is contained in the cavity after the mold is closed, and when molten resin flows into the cavity through a pouring channel, the flow rate of the resin in the cavity is reduced by high-pressure air, air holes or incomplete molding can be caused on a molded product due to air, so that the quality of the product is greatly reduced.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the above-mentioned prior art and not enough, the utility model provides a mould of preparation plastic toy part, it is accurate to go up the location between mould and the bed die during the compound die, and the in-process mould of moulding plastics is fixed reliable, the die cavity is effectively carminative, can ensure finished product quality.

The utility model discloses above-mentioned purpose is realized through following technical scheme:

a mold for manufacturing plastic toy parts, which comprises a workbench, a vertical plate, an upper mold and a lower mold, the vertical plate and the lower die are integrally formed and can be arranged on the workbench through a plurality of suckers arranged at the bottom, a die groove is formed in the lower die, a cavity column is formed at the bottom side of the upper die, the upper die can be covered at the upper end of the lower die, the die groove and the cavity column are spliced to form a forming cavity, a pouring channel is arranged in the vertical plate, the pouring channel passes through the side wall of the mould groove and is communicated with the mould cavity, a plurality of cylindrical exhaust steels are embedded in the side wall of the cavity column parallel to the vertical plate in a penetrating way, an exhaust pipeline is embedded in the upper mould, one end of the plurality of cylindrical exhaust steels is communicated with the cavity, the other ends of the plurality of cylindrical exhaust steels are respectively communicated with the exhaust pipeline, an air outlet of the exhaust pipeline extends out of the upper die and is connected with an air extractor, and a valve is arranged on the air outlet; the workbench is provided with a fixing frame along the central axis thereof, two side arms of the fixing frame are respectively fixed at the left end and the right end of the workbench, an upper cross beam of the fixing frame is provided with a sliding groove in a penetrating manner along the length direction thereof, the sliding groove is connected with two sliding seats in a sliding manner, each sliding seat can be fixed by a screw through the upper side part of the sliding seat, the lower side part of the sliding seat is fixedly provided with an electric telescopic rod, and the ejector rods of the two electric telescopic rods can be pressed at the two ends of the upper side of the upper die downwards.

Preferably, the four corners of the upper end of the lower die are provided with positioning holes, and the bottom side of the upper die is provided with positioning pins which can be inserted into the positioning holes in an adaptive manner.

Preferably, the bottom side of going up the mould is close to about both ends and is equipped with the baffle that can laminate joint in the inside wall about the mould groove, go up mould and baffle integrated into one piece, two be connected with two relative sealboards that set up between the baffle, and the up end of two sealboards connects in the bottom side of last mould, two sealboards can laminate joint inside wall around the mould groove, two baffles and two sealboards enclose the chamber post, and during the compound die, the lower terminal surface of sealboard is located the runner top, a plurality of cylindrical exhaust steel are vertical to be run through and to inlay and locate in the sealboard.

Furthermore, a cylindrical exhaust steel is embedded in each sealing plate in a penetrating mode, and the two cylindrical exhaust steels are symmetrically arranged.

Preferably, the length of the upper die is greater than that of the lower die.

Preferably, four corners of the bottom of the vertical plate and the bottom of the lower die are respectively provided with a sucking disc.

Preferably, a top plate is fixed at the end part of the ejector rod of the electric telescopic rod.

Preferably, a plurality of fixing holes are formed in the upper cross beam of the fixing frame along two sides of the sliding groove, and the sliding seat is fixed through two screws matched with the fixing holes after sliding in place along the sliding groove.

Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:

the utility model has the advantages that the positioning pin at the bottom side of the upper die is in adaptive insertion with the positioning hole on the lower die, so that the upper die and the lower die are accurately positioned, and the two electric telescopic rods drive the top plate to move downwards and tightly push against the two sides of the upper die, thereby ensuring that the upper die and the lower die are fixed and reliable in the injection molding process; the workbench provided with the fixing frame is suitable for dies with different sizes, and the integrally formed vertical plate and the lower die are arranged on the workbench through the sucking disc, so that the installation is simple and convenient; through set up cylindrical exhaust steel in the closing plate, set up exhaust duct, the exhaust duct that communicates with the exhaust steel in last mould and set up the valve and communicate the air extractor, its simple structure can bleed to the die cavity after the compound die, helps reducing the die cavity internal pressure, promotes the flow of resin liquid in the die cavity, promotes the shaping quality, avoids appearing the gas pocket on the shaping product.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic view of the overall structure of a mold for manufacturing a plastic toy part according to the embodiment;

FIG. 2 is a schematic structural view of a lower mold and a vertical plate in the present embodiment;

FIG. 3 is a schematic diagram of the bottom side structure of the upper mold in the present embodiment;

FIG. 4 is a sectional view of the upper and lower molds in the present embodiment;

FIG. 5 is a schematic view of the sliding seat in the present embodiment;

in the figure: the device comprises a workbench 1, a vertical plate 2, an upper die 3, a lower die 4, a die groove 5, a pouring gate 6, cylindrical exhaust steel 7, an exhaust pipeline 8, a fixed frame 9, a sliding groove 10, a sliding seat 11, an electric telescopic rod 12, a positioning hole 13, a positioning pin 14, a partition plate 15, a sealing plate 16, a pouring gate 17, a top plate 18, a fixing hole 19 and a threaded hole 20.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent;

for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;

it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted;

in the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.

As shown in fig. 1 to 5, the mold for manufacturing a plastic toy part in the present embodiment includes a table 1, a vertical plate 2, an upper mold 3, and a lower mold 4. Riser 2 and bed die 4 integrated into one piece and a plurality of sucking discs (not shown in the figure) that the accessible bottom set up are installed on workstation 1, in this embodiment, respectively are equipped with a sucking disc in integrated into one piece's riser 2 and the bottom four corners of bed die 4, and the installation is simple and convenient. A mold groove 5 is formed in the lower mold 4, a cavity column (not marked) is formed at the bottom side of the upper mold 3, the upper mold 3 can be arranged at the upper end of the lower mold 4 in a covering manner, the mold groove 5 and the cavity column are spliced to form a forming cavity, a pouring gate 6 is arranged in the vertical plate 2, the pouring gate penetrates through the side wall of the mold groove 5 and is communicated with the cavity, a plurality of cylindrical exhaust steels 7 are embedded in the cavity column parallel to the side wall of the vertical plate 2 in a penetrating manner, an exhaust pipeline 8 is embedded in the upper mold 3, one ends of the cylindrical exhaust steels 7 are communicated with the cavity, the other ends of the cylindrical exhaust steels are respectively communicated with the exhaust pipeline 8, an air outlet of the exhaust pipeline extends out of the upper mold 3 and is connected with an air extractor (not shown in the figure); the workbench 1 is provided with a fixing frame 9 along the central axis thereof, two side arms of the fixing frame are respectively fixed at the left end and the right end of the workbench 1, an upper beam of the fixing frame 9 is provided with a sliding groove 10 along the length direction thereof in a penetrating manner, the sliding groove is connected with two sliding seats 11 in a sliding manner, each sliding seat can be fixed by a screw (not shown in the figure) through the upper side part thereof, the lower side part of the sliding seat 11 is fixedly provided with an electric telescopic rod 12, and the ejector rods of the two electric telescopic rods can be pressed at the two ends of the upper side of the upper die 3 downwards.

In a particularly preferred embodiment, the four corners of the upper end of the lower mold 4 are provided with positioning holes 13, and the bottom side of the upper mold 3 is provided with positioning pins 14 adapted to be inserted into the positioning holes 13. So, when the upper die 3 is covered and arranged at the upper end of the lower die 4 for die assembly, the upper die and the lower die are accurately and reliably positioned by inserting the positioning pin 14 and the positioning hole 13 in an adaptive manner, and the deviation cannot occur in the injection molding process.

The bottom side of upper die 3 is close to about both ends and is equipped with can laminating joint in the baffle 15 of the inside wall about the mould groove 5, upper die 3 and baffle 15 integrated into one piece, so, after injection moulding, take off upper die 3, then be formed with gappedly between the inside wall about shaping part in the mould groove 5 and the mould groove, the follow-up drawing of patterns of being convenient for. In order to facilitate the removal of the upper mold after injection molding, the length of the upper mold 3 in this embodiment is greater than the length of the lower mold 4. Two be connected with two closing plates 16 of relative setting between the baffle 15, and the up end of two closing plates connects in the bottom side of last mould 3, two closing plates 16 can joint inside wall around 5 in the mould groove, two baffle 15 and two closing plates 16 enclose the chamber post, and during the compound die, the lower terminal surface of closing plate 16 is located runner 17 top, and each vertical running-through inlays in two closing plates 16 and is equipped with a cylindrical exhaust steel 7, and two cylindrical exhaust steel symmetries set up. The sealing plate 16 is arranged to improve the sealing performance of the cavity and prevent the molten resin from overflowing from the joint of the mold groove 5 and the upper mold 3 in the injection molding process; on the other hand, for embedding the cylindrical exhaust steel 7. The exhaust steel has excellent air permeability, the interior of the exhaust steel is formed by connecting a plurality of fine small holes, so that gas can smoothly penetrate through the exhaust steel, and the cylindrical exhaust steel is embedded into the sealing plate to form a part of the cavity, so that the exhaust in the cavity is facilitated. The cylindrical exhaust steel is easy to machine and form and is convenient to be connected with a pipeline.

The end part of the ejector rod of the electric telescopic rod 12 is fixedly provided with a top plate 18, and the ejector rod of the electric telescopic rod drives the top plate 18 to move downwards to be tightly propped against the two sides of the upper mold 3 when extending out, so that the upper mold 3 and the lower mold 4 are fixed and reliable in the injection molding process.

A plurality of fixing holes 19 are uniformly formed in the upper cross beam of the fixing frame 9 along two sides of the sliding groove 10, and the sliding seat 11 is fixed through two screws matched with the fixing holes after sliding in place along the sliding groove. Specifically, two short cylinders that the side of going up and the lower side of sliding seat 11 were put vertically, two short cylinders relative on the surface cross centre of a circle fixedly connected with slide bars, the symmetry run through on the short cylinder of upside be equipped with two with the screw hole 20 that the fixed orifices matches slides the sliding seat to required position along the spout, and two screw holes 20 align respectively in the fixed orifices 19 of both sides, screw in the screw hole and the fixed orifices that both sides were aligned respectively and screw up in order to fix sliding seat 11 from top to bottom in proper order with two screws to the position of fixed electric telescopic handle 12.

When the device is used, the integrally formed vertical plate 2 and the lower die 4 are arranged on a proper position on the workbench 1 through a sucking disc, so that the vertical plate 2 is parallel to an upper cross beam of a fixing frame 9, the upper cross beam of the fixing frame is approximately positioned above the central axis of the lower die 4, a positioning pin 14 at the bottom side of the upper die is inserted into a positioning hole 13 on the lower die, the upper die 3 and the lower die 4 are accurately positioned and matched, the two sliding seats 11 do not deviate in the injection molding process, the sliding seats 11 are fixed along the sliding grooves 10 after the positions are adjusted, the sliding seats 11 are fixed through screws, two electric telescopic rods 12 are started simultaneously to drive a top plate 18 to move downwards until the top plate is tightly propped against the two sides of the upper die 3, so that the upper die and the lower die are fixed reliably in the injection molding process, then molten resin liquid can be injected into a cavity through a pouring gate 6, and an air extractor is started, the mold has the advantages that the pressure intensity in the cavity is reduced, the flowing of resin liquid in the cavity is promoted, the molding quality is improved, air holes in a molded product are avoided, the upper mold 3 is taken off after injection molding, and a gap is formed between a molding part in the mold groove 5 and the left and right inner side walls of the mold groove, so that the demolding is facilitated.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A mould for manufacturing plastic toy components is characterized by comprising a workbench, a vertical plate, an upper mould and a lower mould, the vertical plate and the lower die are integrally formed and can be arranged on the workbench through a plurality of suckers arranged at the bottom, a die groove is formed in the lower die, a cavity column is formed at the bottom side of the upper die, the upper die can be covered at the upper end of the lower die, the die groove and the cavity column are spliced to form a forming cavity, a pouring channel is arranged in the vertical plate, the pouring channel passes through the side wall of the mould groove and is communicated with the mould cavity, a plurality of cylindrical exhaust steels are embedded in the side wall of the cavity column parallel to the vertical plate in a penetrating way, an exhaust pipeline is embedded in the upper mould, one end of the plurality of cylindrical exhaust steels is communicated with the cavity, the other ends of the plurality of cylindrical exhaust steels are respectively communicated with the exhaust pipeline, an air outlet of the exhaust pipeline extends out of the upper die and is connected with an air extractor, and a valve is arranged on the air outlet; the workbench is provided with a fixing frame along the central axis thereof, two side arms of the fixing frame are respectively fixed at the left end and the right end of the workbench, an upper cross beam of the fixing frame is provided with a sliding groove in a penetrating manner along the length direction thereof, the sliding groove is connected with two sliding seats in a sliding manner, each sliding seat can be fixed by a screw through the upper side part of the sliding seat, the lower side part of the sliding seat is fixedly provided with an electric telescopic rod, and the ejector rods of the two electric telescopic rods can be pressed at the two ends of the upper side of the upper die downwards.

2. The mold for manufacturing plastic toy parts according to claim 1, wherein the four corners of the upper end of the lower mold are provided with positioning holes, and the bottom side of the upper mold is provided with positioning pins adapted to be inserted into the positioning holes.

3. The mold for manufacturing plastic toy parts according to claim 1, wherein the bottom side of the upper mold is provided with a partition plate near the left and right ends thereof for being fastened to the left and right inner side walls of the mold groove in a fitting manner, the upper mold and the partition plate are integrally formed, two sealing plates are connected between the two partition plates in an opposing manner, the upper end surfaces of the two sealing plates are connected to the bottom side surface of the upper mold, the two sealing plates are fastened to the front and rear inner side walls of the mold groove in a fitting manner, the two partition plates and the two sealing plates define the cavity column, and when the mold is closed, the lower end surfaces of the sealing plates are located above the gate, and the plurality of cylindrical exhaust steels are vertically inserted into the sealing.

4. The mold for manufacturing plastic toy parts according to claim 3, wherein a cylindrical vent steel is inserted through each sealing plate, and the two cylindrical vent steels are symmetrically arranged.

5. The mold for making plastic toy parts according to claim 1, wherein the upper mold has a length greater than the lower mold.

6. The mold for manufacturing plastic toy parts as claimed in claim 1, wherein a suction cup is provided at each of four corners of the bottom of the vertical plate and the lower mold.

7. The mold for manufacturing plastic toy parts as claimed in claim 1, wherein a top plate is fixed to an end of the rod of the electric telescopic rod.

8. The mold for manufacturing plastic toy parts according to claim 1, wherein the upper beam of the fixing frame has a plurality of fixing holes along two sides of the sliding groove, and the sliding seat is fixed by two screws matching with the fixing holes after sliding in place along the sliding groove.