CN214163619U

CN214163619U - Injection molding processing loading attachment

Info

Publication number: CN214163619U
Application number: CN202022545916.9U
Authority: CN
Inventors: 吴文广
Original assignee: Individual
Current assignee: Huizhou Xinfuxiang Plastic Products Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-09-10
Anticipated expiration: 2030-11-06

Abstract

The utility model provides an injection molding feeding device, which belongs to the technical field of injection molding, and comprises a storage cylinder, a spiral feeder, a melting furnace and a melting box; set up the agitator in the storage cylinder, storage cylinder lower part discharge gate and spiral feeder access connection, spiral feeder discharge gate and melt furnace feed inlet are connected, and the melt furnace passes through the melt pipeline and is connected with the melt box, and melt box lower part sets up the melt export, and the melt box outside sets up the heat preservation and presss from both sides the cover. The raw materials of the utility model are stored in the storage cylinder, and are conveyed to the melting furnace through the spiral feeder, the structure is simple, and the operation is convenient; raw materials can be fed at a constant speed and can be fully melted, so that the melting efficiency is improved; a stirrer is arranged in the storage cylinder, so that the raw materials can be fully mixed; hot gas generated in the melting furnace is introduced into the heat-insulating jacket to insulate the molten plastic through thermal circulation, so that the heat-insulating effect is good, cooling solidification is prevented, resources are reasonably utilized, and the production cost is reduced; the production efficiency is high, and the product quality is improved.

Description

Injection molding processing loading attachment

Technical Field

The utility model relates to an injection moulding equipment specifically is an injection moulding loading attachment.

Background

Injection molding is a process in which a completely molten plastic is stirred by a screw at a certain temperature, injected into a mold cavity at high pressure, and cooled to solidify to obtain a molded article. The method is suitable for batch production of parts with complex shapes, is one of important processing methods, and is widely applied to industries such as electronic product shells, lamp shells, electric appliances, automobiles and the like.

The injection molding machine is a main molding device for manufacturing thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and the injection molding is realized by the injection molding machine and the die.

In general, the injection molding process generally comprises the following processing steps: the injection molding product is generally processed by taking polypropylene particles as raw materials. The existing feeding device generally sucks raw materials into a hot melting furnace through a material sucking pipe to be heated and melted, the feeding mode is inconvenient to operate, and the feeding speed cannot be effectively controlled, so that the hot melting effect is poor, and the production efficiency is reduced; improper storage of molten plastic can result in cooling, solidification and unusable, and product quality can be affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, the to-be-solved technical problem of the utility model is to provide an at uniform velocity feeding, melt effectual injection moulding material loading attachment of hot melt.

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

a feeding device for injection molding processing comprises a storage barrel, a spiral feeder, a melting furnace and a melting box; a stirrer is arranged in the storage cylinder, a discharge port at the lower part of the storage cylinder is connected with an inlet of a spiral feeder, and a discharge port of the spiral feeder is connected with a feed port of a melting furnace; the melt furnace is connected with the melt box through a melt pipeline, and a melt outlet is formed in the lower portion of the melt box.

As a further improvement of the utility model: the lower part of the storage cylinder is provided with a blanking hopper, and the supporting legs are fixedly connected with the blanking hopper; the upper part of the storage barrel is provided with a feed hopper.

As a further improvement of the utility model: the stirrer comprises a first motor, a stirring shaft and a stirring paddle; the first motor is arranged on the motor support, and the motor support is fixedly arranged at the top of the material storage barrel; the first motor rotating shaft is connected with the stirring shaft through a first coupler, and the stirring shaft is provided with a stirring paddle.

As a further improvement of the utility model: the stirring paddle is a helical ribbon stirring blade.

As a further improvement of the utility model: the spiral feeder comprises a second motor, a material conveying pipe, a rotating shaft and a spiral belt; the conveying pipeline is internally provided with a rotating shaft, a spiral belt is arranged on the rotating shaft, and the left side of the rotating shaft is connected with a second motor through a second coupler.

As a further improvement of the utility model: and a sealing bearing is arranged at the joint of the rotating shaft and the port of the material conveying pipe.

As a further improvement of the utility model: the first motor and the second motor are both vertical variable-frequency speed-regulating motors.

As a further improvement of the utility model: the melting box is externally provided with a heat-preservation jacket.

As a further improvement of the present invention: the heat preservation jacket is provided with a jacket inlet and a jacket outlet, the jacket inlet is connected with an exhaust port of the melting furnace through an air inlet pipeline, and the jacket outlet is communicated with an air inlet of the melting furnace through a return pipeline.

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

1. the utility model stores the injection molding raw material in the storage cylinder, and feeds the material to the melting furnace through the spiral feeder, thereby having simple structure and convenient operation;

2. a stirrer is arranged in the storage cylinder, so that the raw materials can be fully mixed;

3. the spiral feeder feeds materials at a constant speed, and raw materials entering the melting furnace can be fully melted, so that the melting efficiency is improved;

4. a heat-insulating jacket is arranged outside the melting box to insulate the molten plastic and prevent the molten plastic from being cooled and solidified;

5. hot gas generated in the melting furnace is introduced into the heat-insulating jacket, so that resources are reasonably utilized, and the production cost is reduced;

6. the heat preservation is carried out through thermal cycle, the heat preservation effect is good, the raw materials are guaranteed to have a good melting state, the production efficiency is high, and the product quality is improved.

Drawings

FIG. 1 is a schematic structural view of a feeding device for injection molding;

FIG. 2 is a schematic view of a screw feeder of a feeding apparatus for injection molding;

FIG. 3 is a schematic structural diagram of a melting box in a feeding device for injection molding;

in the figure: 1-material storage cylinder, 2-spiral feeder, 3-melting furnace, 4-hot melting pipeline, 5-melting tank, 6-blanking hopper, 7-supporting leg, 8-feeding hopper, 9-first motor, 10-motor bracket, 11-first coupling, 12-stirring shaft, 13-stirring paddle, 14-second motor, 15-second coupling, 16-sealing bearing, 17-material conveying pipe, 18-rotating shaft, 19-spiral belt, 20-heat preservation jacket, 21-melting outlet, 22-air inlet pipeline and 23-reflux pipeline.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example one

Referring to fig. 1-3, the present embodiment provides a feeding device for injection molding, which includes a storage cylinder 1, a screw feeder 2, a melting furnace 3 and a melting box 5; a stirrer is arranged in the storage barrel 1, a discharge port at the lower part of the storage barrel 1 is connected with an inlet of a spiral feeder 2, and a discharge port of the spiral feeder 2 is connected with a feed port of a melting furnace 3; the melting furnace 3 is connected with a melting box 5 through a melting pipeline 4, and a melting outlet 21 is arranged at the lower part of the melting box 5;

the lower part of the storage barrel 1 is provided with a blanking hopper 6, and the supporting legs 7 are fixedly connected with the blanking hopper 6; a feed hopper 8 is arranged at the upper part of the storage barrel 1, and injection molding raw materials are added into the storage barrel 1 from the feed hopper 8;

the stirrer comprises a first motor 9, a stirring shaft 12 and a stirring paddle 13; the first motor 9 is arranged on a motor support 10, and the motor support 10 is fixedly arranged at the top of the storage barrel 1; a rotating shaft of a first motor 9 is connected with a stirring shaft 12 through a first coupler 11, a stirring paddle 13 is arranged on the stirring shaft 12, and the stirring paddle 13 is preferably a helical ribbon type stirring blade;

the screw feeder 2 comprises a second motor 14, a material conveying pipe 17, a rotating shaft 18 and a screw belt 19; a rotating shaft 18 is arranged in the material conveying pipe 17, a spiral belt 19 is arranged on the rotating shaft 18, and the left side of the rotating shaft 18 is connected with a second motor 14 through a second coupler 15; a sealing bearing 16 is arranged at the joint of the rotating shaft 18 and the port of the material conveying pipe 17; the second motor 14 rotates to convey the raw materials to the discharge port of the spiral feeder 2 at a constant speed, the conveying is stable and efficient, the raw materials entering the melting furnace 3 can be fully melted, and the hot melting effect is good;

the first motor 9 and the second motor 14 are preferably vertical variable-frequency adjustable-speed motors.

Example two

Referring to fig. 1-3, in the first embodiment, a heat-insulating jacket 20 is disposed outside the melting box 5, and the heat-insulating jacket 20 can insulate the molten plastic in the melting box 5 to prevent cooling and solidification;

the heat-insulating jacket 20 is provided with a jacket inlet and a jacket outlet, the jacket inlet is connected with an exhaust port of the melt furnace 3 through an air inlet pipeline 22, and the jacket outlet is communicated with an air inlet pipe of the melt furnace 3 through a return pipeline 23 to realize circulating heating; the heat generated when the melting furnace 3 is used for heating is used for preserving the heat of the molten plastic in the melting box 5, so that the resources are reasonably utilized, and the production cost is reduced.

The utility model discloses a theory of operation:

the embodiment provides a feeding device for injection molding, injection molding raw materials are added into a storage barrel 1 from a feed hopper 8, and a first motor 9 rotates to drive a stirring paddle 13 to rotate, so that the raw materials are uniformly mixed; the mixed raw materials are conveyed into a melting furnace 3 through a screw feeder 2 at a constant speed for hot melting under the action of a second motor 14, and molten plastics are discharged into a melting box 5 from a hot melting pipeline 4 for storage; the outside of the melting box 5 is provided with a heat preservation jacket 20, hot air generated in the melting furnace 3 is introduced into the heat preservation jacket 20 from an air inlet pipeline 22 to preserve heat of molten plastic in the melting box 5, cooling and solidification are prevented, and an outlet of the hot air jacket enters a return pipeline 23 to be heated again as the melting furnace 3 is introduced, so that circular heating is realized.

The utility model stores the injection molding raw material in the storage cylinder, and feeds the material to the melting furnace through the spiral feeder, thereby having simple structure and convenient operation; a stirrer is arranged in the storage cylinder, so that the raw materials can be fully mixed; the spiral feeder feeds materials at a constant speed, and raw materials entering the melting furnace can be fully melted, so that the melting efficiency is improved; a heat-insulating jacket is arranged outside the melting box to insulate the molten plastic and prevent the molten plastic from being cooled and solidified; hot gas generated in the melting furnace is introduced into the heat-insulating jacket, so that resources are reasonably utilized, and the production cost is reduced; the heat preservation is carried out through thermal cycle, the heat preservation effect is good, the raw materials are guaranteed to have a good melting state, the production efficiency is high, and the product quality is improved.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An injection molding processing feeding device comprises a storage cylinder (1), a spiral feeder (2), a melting furnace (3) and a melting box (5); the device is characterized in that a stirrer is arranged in the storage barrel (1), a discharge port at the lower part of the storage barrel (1) is connected with an inlet of a spiral feeder (2), and a discharge port of the spiral feeder (2) is connected with a feed port of a melting furnace (3); melt stove (3) are connected with melt box (5) through melt pipeline (4), melt box (5) lower part sets up melt outlet (21).

2. The feeding device for injection molding according to claim 1, wherein a blanking hopper (6) is arranged at the lower part of the storage cylinder (1), and the supporting legs (7) are fixedly connected with the blanking hopper (6); the upper part of the storage barrel (1) is provided with a feed hopper (8).

3. An injection moulding feed arrangement according to claim 2, characterised in that the stirrer comprises a first motor (9), a stirrer shaft (12) and a stirrer paddle (13); the first motor (9) is arranged on a motor support (10), and the motor support (10) is fixedly arranged at the top of the material storage barrel (1); the rotating shaft of the first motor (9) is connected with the stirring shaft (12) through a first coupler (11), and the stirring shaft (12) is provided with a stirring paddle (13).

4. A feeding device for injection moulding according to claim 3, characterised in that the paddles (13) are helical ribbon blades.

5. A feeding device for injection moulding according to claim 3, characterised in that said screw feeder (2) comprises a second motor (14), a feed pipe (17), a rotating shaft (18) and a screw belt (19); the feeding pipe (17) is internally provided with a rotating shaft (18), the rotating shaft (18) is provided with a spiral belt (19), and the left side of the rotating shaft (18) is connected with a second motor (14) through a second coupler (15).

6. An injection moulding charging device according to claim 5, characterised in that a sealing bearing (16) is provided at the junction of the shaft (18) and the end of the feed pipe (17).

7. An injection moulding feeding device according to claim 5, characterized in that the first motor (9) and the second motor (14) are both vertical variable frequency speed regulating motors.

8. An injection molding machine loading apparatus as claimed in claim 1, wherein a heat insulating jacket (20) is provided outside said melt tank (5).

9. An injection molding machine loading apparatus as claimed in claim 8, wherein said insulating jacket (20) has a jacket inlet and a jacket outlet, the jacket inlet being connected to the exhaust of the melting furnace (3) via an inlet duct (22), and the jacket outlet being connected to the inlet of the melting furnace (3) via a return duct (23).