CN211440911U

CN211440911U - Propulsion device for injection mold

Info

Publication number: CN211440911U
Application number: CN201922040843.5U
Authority: CN
Inventors: 陈仲华
Original assignee: Shanghai Yingzhiqing Rubber & Plastic Products Co ltd
Current assignee: Shanghai Yingzhiqing Rubber & Plastic Products Co ltd
Priority date: 2019-11-24
Filing date: 2019-11-24
Publication date: 2020-09-08
Anticipated expiration: 2029-11-24

Abstract

The utility model discloses a advancing device that injection mold used, including the feeding case, feeding case one side fixedly connected with inlet pipe, feeding bottom of the case portion is hopper-shaped structure and a propulsion section of thick bamboo of lower end fixedly connected with, a propulsion motor of feeding case top fixedly connected with, fixedly connected with stirring rake in a propulsion motor's the pivot, a threaded rod of terminal fixedly connected with in stirring rake bottom is located the feeding top of the case portion fixedly connected with forcing pipe of a propulsion motor one side, the forcing pipe other end fixedly connected with pressurized tank, a propulsion bottom of the case portion fixed connection is on No. two propulsion section of thick bamboos lateral wall, No. two propulsion section of thick bamboos one end fixedly connected with propulsion motor No. two, No. two threaded rods of fixedly connected with in No. two propulsion motor's the axis of rotation. The utility model has the advantages of the propelling movement is quick, prevent that the propelling movement in-process from condensing, its mainly used material's that moulds plastics propelling movement.

Description

Propulsion device for injection mold

Technical Field

The utility model relates to an injection mold produces technical field, specific advancing device that injection mold used that says so.

Background

People have a large amount of plastic products in daily life, and the plastic products are generally made by injection molds which cannot leave a pushing device for pushing molten plastic, but in the prior art, the pushing speed of the pushing device is slow, and the molten plastic is easy to partially condense in the pushing process, so that the production efficiency and the production quality of products are influenced.

Disclosure of Invention

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a propelling device that the propelling movement is quick, prevent that the injection mold that the propelling movement in-process condenses from using.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a propulsion device for an injection mold comprises a feeding box, wherein one side of the feeding box is fixedly connected with an inlet pipe, the bottom of the feeding box is of a funnel-shaped structure, the lowest end of the feeding box is fixedly connected with a propulsion cylinder, the top end of the feeding box is fixedly connected with a propulsion motor, a rotating shaft of the propulsion motor is fixedly connected with a stirring paddle, the stirring paddle is arranged in the feeding box, the tail end of the bottom of the stirring paddle is fixedly connected with a threaded rod, the threaded rod is arranged in the propulsion cylinder, the top end of the feeding box on one side of the propulsion motor is fixedly connected with a heating cavity, an electric heating wire is fixedly connected in the heating cavity, the top of the heating cavity is fixedly connected with a pressure pipe, the other end of the pressure pipe is fixedly connected with a pressure tank, the top of the pressure tank is fixedly connected with an air pressure pump, the bottom of the propulsion cylinder is fixedly connected on the outer, no. two propulsion cylinder one end fixedly connected with propulsion motor No. two, No. two threaded rods of fixedly connected with in propulsion motor's the axis of rotation, No. two threaded rods set up in No. two propulsion cylinder, No. two propulsion cylinder other ends are provided with extrudes the mouth.

And an electric heating device is fixedly connected to the inner side surface of the funnel-shaped bottom of the feeding box.

The feeding pipe on one side of the feeding box is fixedly connected with a valve, and the pressurizing pipe is fixedly connected with an air valve.

And a pressure sensor is fixedly connected to the inner side wall at the upper end of the feeding box.

The utility model has the advantages that: the stirring paddle is arranged in the feeding box, and the electric heating device is fixedly connected to the bottom of the feeding box, so that the molten plastic can be subjected to heat preservation stirring in the pushing process, partial solidification caused by uneven temperature in the molten plastic is prevented, and the quality of the pushed and produced product is influenced; this device adopts the double thread pole to impel to there is the pressurized canister at feeding case top through the pressurization union coupling, thereby supplementary melting plastics's propelling movement progress through increasing feeding case upper portion atmospheric pressure.

Drawings

Fig. 1 is a schematic view of the cross-sectional structure of the present invention.

In the figure: the device comprises a feeding box 1, a feeding pipe 2, a pushing cylinder 3, a pushing motor 4, a stirring paddle 5, a threaded rod 6, a heating cavity 7, a pressurizing pipe 8, a pressurizing tank 9, an air pressurizing pump 10, a pushing cylinder 11 II, a pushing motor 12 II, a threaded rod 13 II, an extrusion port 14, an electric heating device 15, a valve 16, an air valve 17 and a pressure sensor 18.

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, a propulsion device for an injection mold comprises a feeding box 1, a feeding pipe 2 is fixedly connected to one side of the feeding box 1, the bottom of the feeding box 1 is of a funnel-shaped structure, the lowest end of the feeding box 1 is fixedly connected with a propulsion cylinder 3, the top end of the feeding box 1 is fixedly connected with a propulsion motor 4, a rotating shaft of the propulsion motor 4 is fixedly connected with a stirring paddle 5, the stirring paddle 5 is arranged inside the feeding box 1, the tail end of the bottom of the stirring paddle 5 is fixedly connected with a threaded rod 6, the threaded rod 6 is arranged in the propulsion cylinder 3, a heating cavity 7 is fixedly connected to the top end of the feeding box 1 at one side of the propulsion motor 4, an electric heating wire is fixedly connected inside the heating cavity 7, a pressure pipe 8 is fixedly connected to the top of the heating cavity 7, a pressure tank 9 is fixedly connected to the other end of the pressure pipe 8, an air pressure pump 10 is fixedly connected to the pressure tank 9, no. two propulsion cylinder 11 one end fixedly connected with propulsion motor 12 No. two, No. two threaded rod 13 of fixedly connected with in the axis of rotation of propulsion motor 12 No. two, No. two threaded rod 13 set up in No. two propulsion cylinder 11, and No. two propulsion cylinder 11 other ends are provided with extrudes mouthful 14.

In the utility model, an electric heating device 15 is fixedly connected to the inner side surface of the funnel-shaped bottom of the feeding box 1 and is used for heating and heat preservation inside the feeding box 1 to prevent molten plastic from being solidified inside;

a valve 16 is fixedly connected to the feeding pipe 2 on one side of the feeding box 1, and an air valve 17 is fixedly connected to the pressurizing pipe 8 and used for controlling the sealing of a pipeline;

the inner side wall of the upper end of the feeding box 1 is fixedly connected with a pressure sensor 18 for detecting the air pressure at the upper end of the feeding box 1.

The utility model discloses a theory of operation is: when the feeding device is used, one end of the feeding pipe 2 is connected with melting equipment and used for inputting molten plastics into the feeding box 1, after the molten plastics are conveyed, the valve 16 is closed, the first pushing motor 4 and the second pushing motor 12 are started, the air valve 17 is opened at the same time, so that the gas in the pressurizing tank 9 enters the feeding box 1, the air pressure in the feeding box 1 is increased, the first threaded rod 6 is assisted to push the molten plastics into the second pushing cylinder 11, and the second threaded rod 13 in the second pushing cylinder 11 pushes the entered molten plastics out from the extrusion port 14; the heating cavity 7 arranged can heat the gas output by the pressurization pipe 8, so that the low-temperature gas is prevented from solidifying the molten plastic, the pushing of the molten plastic and the quality of a product are influenced, the air pressure in the pressurization tank 9 is controlled by a pressurization pump, and the extrusion opening 14 is connected with an injection molding mechanism and used for injection molding of a mold.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a advancing device that injection mold used, includes feeding case (1), its characterized in that: the feeding box is characterized in that an inlet pipe (2) is fixedly connected to one side of the feeding box (1), the bottom of the feeding box (1) is of a funnel-shaped structure, a first pushing cylinder (3) is fixedly connected to the lowest end of the feeding box (1), a first pushing motor (4) is fixedly connected to the top end of the feeding box (1), a stirring paddle (5) is fixedly connected to the rotating shaft of the first pushing motor (4), the stirring paddle (5) is arranged inside the feeding box (1), a first threaded rod (6) is fixedly connected to the bottom end of the stirring paddle (5), the first threaded rod (6) is arranged in the first pushing cylinder (3), a heating cavity (7) is fixedly connected to the top end of the feeding box (1) on one side of the first pushing motor (4), an electric heating wire is fixedly connected to the inside of the heating cavity (7), and a pressurizing pipe (8) is fixedly connected to, the utility model discloses a novel pressure boosting device, including pressurized tube (8) other end fixedly connected with pressurization jar (9), fixedly connected with air force (forcing) pump (10) on pressurization jar (9), a propulsion section of thick bamboo (3) bottom fixed connection is on No. two propulsion section of thick bamboos (11) lateral walls, No. two propulsion section of thick bamboos (11) one end fixedly connected with propulsion motor (12) No. two, No. two threaded rod (13) of fixedly connected with in the axis of rotation of propulsion motor (12), No. two threaded rod (13) set up in No. two propulsion section of thick bamboos (11), No. two propulsion section of thick bamboos (11) other ends are provided with extrudes mouthful (14).

2. The advancing device for an injection mold according to claim 1, characterized in that: and an electric heating device (15) is fixedly connected to the inner side surface of the funnel-shaped bottom of the feeding box (1).

3. The advancing device for an injection mold according to claim 1, characterized in that: the feeding pipe (2) on one side of the feeding box (1) is fixedly connected with a valve (16), and the pressurizing pipe (8) is fixedly connected with an air valve (17).

4. The advancing device for an injection mold according to claim 1, characterized in that: and a pressure sensor (18) is fixedly connected to the inner side wall at the upper end of the feeding box (1).