CN216579085U

CN216579085U - Double-deck injection structure mould of hot runner

Info

Publication number: CN216579085U
Application number: CN202122498799.XU
Authority: CN
Inventors: 高宝坚
Original assignee: Xiangxing Plastic Mould Jiaxing Co ltd
Current assignee: Xiangxing Plastic Mould Jiaxing Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-05-24
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a hot runner double-layer injection molding structure mold which comprises a top mold, a cooling mechanism and a bottom mold, wherein the cooling mechanism is installed on the inner side wall of the bottom mold, the cooling mechanism is formed by combining a cooling box, a cooler, connectors and a circulating pump, the cooling box is installed on the inner side wall of the bottom mold, a group of symmetrical connectors are installed on the right side of the outer side wall of the cooling box, the connectors penetrate through the right side of the bottom mold, the output ends of the connectors are connected with the input end of the cooler through a guide pipe, the output end of the cooler is connected with the input end of the circulating pump through a guide pipe, and the output end of the circulating pump is connected with the input end of the connectors through a guide pipe. The formed material can be rapidly cooled through the cooling mechanism, so that the demoulding is convenient; and the material cooling can be avoided through the feeding mechanism, the feeding speed is increased, and the production is improved.

Description

Double-deck injection structure mould of hot runner

Technical Field

The utility model relates to the technical field of hot runner injection molds, in particular to a hot runner double-layer injection mold.

Background

Injection molding is a method for obtaining a molded product by injecting a material melted by heat into a mold cavity under high pressure and cooling and solidifying the material, is mainly suitable for batch production of plastic products, and generally arranges a plurality of mold cavities in a single-layer mold in order to improve the production efficiency so as to realize one-step molding of a plurality of products.

At present injection mold mainly is the instrument of production plastic goods, through the die cavity shaping, nevertheless owing to arranged a plurality of die cavities, must guarantee when the die sinking that the mould level is opened, prevent to go up the mould and appear the deformation that the slope leads to moulding plastics after at the in-process of die sinking, destroy the processing part, and present most mold opening device, most symmetric distribution is in the mould both sides, hardly guarantees that both ends can the die sinking in step.

Patent No. 201920555548.0 discloses a double-deck injection mold of hot runner, including fixed die plate, movable mould board, die holder and die sinking subassembly, the fixed die plate is fixed at the die holder top, and the movable mould board is located the fixed die plate top, open at the fixed die plate top has the spread groove, and in the die sinking subassembly installation and the spread groove, the utility model shakes the hand through rotating and drives two trapezoidal blocks and move to the outside in step to jack-up contact block, drive the synchronous rising of movable mould board both ends, guarantee the horizontal die sinking of movable mould board, thereby can prevent that the movable mould board from appearing the slope in the in-process of die sinking and leading to the deformation after moulding plastics, destroy the processing part.

This double-deck injection structure mould of hot runner has following drawback: 1. the mold cannot rapidly cool the molded mold to cause injection molding materials; 2. the mold is easily cooled during charging, resulting in a reduction in production speed. Therefore, a hot runner double-layer injection mold is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a hot runner double-layer injection structure mold, which can quickly cool a formed material through a cooling mechanism and is convenient to demold; and the material cooling can be avoided through the feeding mechanism, the feeding speed is increased, the production is improved, and the problems in the background technology can be effectively solved.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a double-deck injection structure mould of hot runner, includes the top mould, still includes cooling body and die block, cooling body is installed to the inside wall of die block, cooling body comprises cooling box, cooler, connector and circulating pump combination, the cooling box is installed to the inside wall of die block, the connector of a set of symmetry is installed on the lateral wall right side of cooling box, and the right side of the die block that runs through of connector, the output of connector passes through pipe connection with the input of cooler, pipe connection is passed through with the input of circulating pump to the output of cooler, pipe connection is passed through with the input of connector to the output of circulating pump.

Further, still include reinforced mechanism, reinforced mechanism is installed at the top of top mould, and reinforced mechanism can avoid the injection molding material condensation.

Further, reinforced mechanism comprises position sleeve, inlet pipe, thermocouple and heating rod combination, the thermocouple is installed to the inside wall of position sleeve, the inlet pipe is installed to the inside wall of position sleeve, the heating rod is installed to the inside wall of inlet pipe, and the heating rod can heat the inlet pipe, avoids the injection molding material cooling.

Furthermore, the hot runner plate is installed to the inside wall of top mould, and the input of hot runner plate is connected with the one end of inlet pipe, makes things convenient for the injection molding material to enter into in the hot runner plate.

Furthermore, the locating sleeve is located at the top of the top die, so that the feeding pipe is conveniently located.

Compared with the prior art, the utility model has the following beneficial effects: 1. the cooling mechanism is arranged on the inner side wall of the bottom die, the cooling mechanism is formed by combining a cooling box, a cooler, a connector and a circulating pump, the cooling box is arranged on the inner side wall of the bottom die, when the injection molding material is molded by the bottom die and the top die, the output end of the cooler is connected with the input end of the circulating pump through a guide pipe, so that cooling water in the cooler is extracted by the circulating pump, a group of symmetrical connectors are arranged on the right side of the outer side wall of the cooling box, the output end of the circulating pump is connected with the input end of the connector through a guide pipe, the circulating pump conveys the cooled water into the cooling box, the cooling box can cool the injection molding material molded in the bottom die, the molding speed of the injection molding material is increased, the output end of the connector is connected with the input end of the cooler through a guide pipe, water cooling circulation can be realized, and the molding efficiency is increased;

2. reinforced mechanism is installed at the top of top mould, reinforced mechanism is by the position sleeve, the inlet pipe, thermocouple and heating rod combination constitute, the position sleeve is installed at the top of top mould, the position sleeve can fix a position the inlet pipe, the inlet pipe is installed to the inside wall of position sleeve, it is intraductal to add the feeding to annotate the material, the heating rod is installed to the inside wall of inlet pipe, thereby the heating rod heats the inlet pipe, the one end and the input of hot runner plate main part of inlet pipe are connected, thereby can avoid the injection molding material cooling, increase feed rate, the thermocouple is installed to the inside wall of position sleeve, the thermocouple can detect inlet pipe temperature, it causes the energy consumption extravagant to avoid the filling tube to continue to heat, thereby can increase feed rate, and the improvement is produced.

Drawings

Fig. 1 is a schematic overall structure diagram of a hot runner double-layer injection mold according to the present invention.

Fig. 2 is a schematic structural view of a feeding mechanism of a hot runner double-layer injection mold according to the present invention.

In the figure: 1. carrying out top die; 2. a feeding mechanism; 201. a positioning sleeve; 202. a feed pipe; 203. a thermocouple; 204. a heating rod; 3. a hot runner plate body; 4. bottom die; 5. a cooling mechanism; 501. a cooling box; 502. a cooler; 503. a connector; 504. and a circulating pump.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-2, a double-deck injection mold of hot runner, including top mould 1, still include cooling body 5 and die block 4, cooling body 5 is installed to the inside wall of die block 4, cooling body 5 comprises cooling box 501, cooler 502, connector 503 and circulating pump 504 combination, cooling box 501 is installed to the inside wall of die block 4, a set of symmetrical connector 503 is installed on cooling box 501's lateral wall right side, and the right side of connector 503's the die block 4 that runs through, pipe connection is passed through with cooler 502's input to connector 503's output, pipe connection is passed through with circulating pump 504's input to cooler 502's output, pipe connection is passed through with connector 503's input to circulating pump 504's output.

Wherein, still including reinforced mechanism 2, reinforced mechanism 2 is installed at the top of top mould 1, and reinforced mechanism 2 can avoid the injection molding material condensation.

Wherein, reinforced mechanism 2 comprises the combination of position sleeve 201, inlet pipe 202, thermocouple 203 and heating rod 204, thermocouple 203 is installed to the inside wall of position sleeve 201, inlet pipe 202 is installed to the inside wall of position sleeve 201, heating rod 204 is installed to the inside wall of inlet pipe 202, and heating rod 204 can heat inlet pipe 202, avoids the injection molding material cooling.

Wherein, hot runner plate main part 3 is installed to the inside wall of top mould 1, and the input of hot runner plate main part 3 is connected with the one end of inlet pipe 202, makes things convenient for the injection molding material to enter into in the hot runner plate.

Wherein, the locating sleeve 201 is positioned at the top of the top die 1, so that the feeding pipe 202 is conveniently located.

It should be noted that, when the mold with the hot runner double-layer injection molding structure works, the inner side wall of the bottom mold 4 is provided with the cooling mechanism 5, the cooling mechanism 5 is formed by combining the cooling box 501, the cooler 502, the connectors 503 and the circulating pump 504, the inner side wall of the bottom mold 4 is provided with the cooling box 501, when the bottom mold 4 and the top mold 1 mold the injection molding material, the output end of the cooler 502 is connected with the input end of the circulating pump 504 through the conduit, so that the circulating pump 504 extracts the cooling water in the cooler 502, the right side of the outer side wall of the cooling box 501 is provided with the symmetrical connectors 503, the output end of the circulating pump 504 is connected with the input end of the connectors 503 through the conduit, so that the circulating pump 504 conveys the cooled water into the cooling box 501, the cooling box 501 can cool the injection molding material molded in the bottom mold 4, so as to increase the molding speed of the injection molding material, the output end of the connector 503 is connected with the input end of the cooler 502 through a conduit, thereby being capable of realizing water cooling circulation and increasing molding efficiency, the top of the top die 1 is provided with the feeding mechanism 2, the feeding mechanism 2 is composed of a positioning sleeve 201, a feeding pipe 202, a thermocouple 203 and a heating rod 204, the top of the top die 1 is provided with the positioning sleeve 201, the positioning sleeve 201 is capable of positioning the feeding pipe 202, the inner side wall of the positioning sleeve 201 is provided with the feeding pipe 202 for feeding the injection material into the feeding pipe 202, the inner side wall of the feeding pipe 202 is provided with the heating rod 204, thereby the heating rod 204 heats the feeding pipe 202, one end of the feeding pipe 202 is connected with the input end of the hot runner plate main body 3, thereby being capable of avoiding cooling the injection material and increasing feeding speed, the inner side wall of the positioning sleeve 201 is provided with the thermocouple 203, the thermocouple 203 is capable of detecting the temperature of the feeding pipe 202, and avoiding energy consumption waste caused by continuous heating of the feeding pipe, thereby increasing the feeding speed and improving the production.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A hot runner double-layer injection structure mold comprises a top mold (1), and is characterized by further comprising a cooling mechanism (5) and a bottom mold (4), the inner side wall of the bottom die (4) is provided with a cooling mechanism (5), the cooling mechanism (5) is formed by combining a cooling box (501), a cooler (502), a connector (503) and a circulating pump (504), a cooling box (501) is arranged on the inner side wall of the bottom die (4), a group of symmetrical connectors (503) are arranged on the right side of the outer side wall of the cooling box (501), the connecting head (503) penetrates through the right side of the bottom die (4), the output end of the connecting head (503) is connected with the input end of the cooler (502) through a guide pipe, the output end of the cooler (502) is connected with the input end of the circulating pump (504) through a conduit, the output end of the circulating pump (504) is connected with the input end of the connecting head (503) through a conduit.

2. The hot runner double-layer injection mold structure according to claim 1, wherein: the device is characterized by further comprising a feeding mechanism (2), wherein the feeding mechanism (2) is installed at the top of the top die (1).

3. The hot runner double-layer injection mold structure according to claim 2, wherein: reinforced mechanism (2) constitute by position sleeve (201), inlet pipe (202), thermocouple (203) and heating rod (204) combination, thermocouple (203) are installed to the inside wall of position sleeve (201), inlet pipe (202) are installed to the inside wall of position sleeve (201), heating rod (204) are installed to the inside wall of inlet pipe (202).

4. The hot runner double-layer injection mold structure according to claim 1, wherein: the inside wall of top mould (1) is installed hot runner plate main part (3), and the input of hot runner plate main part (3) is connected with the one end of inlet pipe (202).

5. The hot runner double-layer injection mold structure according to claim 3, wherein: the locating sleeve (201) is located at the top of the top die (1).