CN215943596U

CN215943596U - Automatic feeding mechanism of injection mold

Info

Publication number: CN215943596U
Application number: CN202121579280.8U
Authority: CN
Inventors: 罗文全; 袁生平
Original assignee: Shenzhen Chenxun Plastic Electronics Co ltd
Current assignee: Shenzhen Chenxun Plastic Electronics Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-03-04
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses an automatic feeding mechanism of an injection mold, which comprises a shell and an adapter plate, wherein two ends of the shell are mutually communicated, the inner diameter of the inner wall of one end of the shell is larger than that of the other end of the shell, and a main shaft is arranged in the shell; a fixing plate is arranged at one end of the main shaft, the main shaft is rotatably connected with the fixing plate, and the fixing plate is fixedly connected with one end of the shell; the feeding device is provided with a liquid collecting head, a first electromagnetic valve, a liquid return pipe, a limiting part and a second electromagnetic valve, when feeding is stopped, the first electromagnetic valve is switched on while the second electromagnetic valve is switched off, the main shaft, the first packing auger and the second packing auger continuously keep rotating at the moment, raw materials are pushed to enter the liquid return pipe through the liquid collecting head, then the raw materials are conveyed to the inside of the shell again through the first liquid dividing valve to form circular flow, the raw materials are heated through the electric heating plate in the flowing process, and the raw materials are ensured to keep a good flowing state.

Description

Automatic feeding mechanism of injection mold

Technical Field

The utility model particularly relates to the technical field related to injection molds, and particularly relates to an automatic feeding mechanism of an injection mold.

Background

In short, the mold is a tool for manufacturing a molded article, the tool is composed of various parts, different molds are composed of different parts, the processing of the shape of the article is realized mainly by changing the physical state of the molded material, while the injection mold is needed in the processing process of a high molecular product, and the raw material used by the injection mold is usually in a molten fluid state in the processing state, so a feeding mechanism is needed.

Because injection mold need stop annotating the material in the cooling stage, the feeding mechanism that uses at present, inside raw materials can be temporarily stored in feeding mechanism when the stagnant state, because the raw materials can condense after the cooling and lead to mobility to reduce, consequently in order to ensure that the raw materials in the feeding mechanism keeps the molten condition, consequently need provide heating and heat preservation structure, and because the raw materials can contact the heating source for a long time in the raw materials that the part is close to the pipeline inner wall under the stagnant state, consequently cause local excessive heating easily, reduce the raw materials quality, consequently there is inconvenience when using.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an automatic feeding mechanism for an injection mold, which solves the problems of the prior feeding mechanism proposed in the background art that the internal raw material is temporarily stored in the feeding mechanism in a stagnation state, and the fluidity of the raw material is reduced due to the condensation of the raw material after the temperature of the raw material is reduced, so that the raw material in the feeding mechanism is kept in a molten state, and therefore a heating and heat-preserving structure is required to be provided, and the raw material close to the inner wall of a pipeline in the stagnation state is in contact with a heating source for a long time, so that local overheating is easily caused, the quality of the raw material is reduced, and inconvenience is caused during use.

In order to achieve the purpose, the utility model provides the following technical scheme:

an automatic feeding mechanism of an injection mold comprises a shell and an adapter plate, wherein two ends of the shell are mutually communicated, the inner diameter of the inner wall of one end of the shell is larger than that of the other end of the shell, and a main shaft is arranged inside the shell; a fixing plate is arranged at one end of the main shaft, the main shaft is rotatably connected with the fixing plate, and the fixing plate is fixedly connected with one end of the shell; one end of the fixed plate, which is far away from the shell, is provided with a transmission shaft seat, and the transmission shaft seat penetrates through the fixed plate and forms a rotating structure with the main shaft; the outer wall of the main shaft is wrapped by a first packing auger and a second packing auger, and the diameter and the distance between the first packing auger and the second packing auger are both larger than those between the first packing auger and the second packing auger; the adapter plate is fixedly connected with the other end of the shell, is of a hollow structure, and is rotatably connected with the other end of the main shaft; the adapter plate one end of keeping away from the casing install the liquid collecting head, and the liquid collecting head is linked together through hollow out construction and casing inside.

As a further scheme of the utility model: the outer wall of the shell is provided with two electric heating plates which are symmetrically arranged about the center line of the shell, and the outer part of each electric heating plate is wrapped with an outer guard plate; the outer casing be the symmetry formula about the central line of casing and be provided with two, and the both ends of two outer casings all with the outer wall fixed connection of casing.

As a further scheme of the utility model: one end of the outer wall of the shell, which is close to the fixed plate, is provided with a first liquid dividing valve, and the first liquid dividing valve is communicated with the inside of the shell; one end of the first liquid dividing valve is provided with a liquid inlet pipe, and the tail end of the liquid inlet pipe is communicated with the liquid conveying pump; the infusion pump is fixedly connected with the fixing seat, and the fixing seat is installed outside the outer guard plate.

As a further scheme of the utility model: a first electromagnetic valve is installed on one side of the outer wall of the liquid collecting head, and a second electromagnetic valve is installed at the bottom of the liquid collecting head; the outside of first solenoid valve install back the liquid pipe, and the end and the first branch liquid valve of returning the liquid pipe are linked together.

As a further scheme of the utility model: the liquid return pipe is connected with the limiting part in a clamping mode, and the limiting part is connected with the outer guard plate.

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

1. the electric heating device is provided with the shell, the main shaft, the electric heating plates and the adapter plate, the whole device is of a split structure, the shell, the main shaft and the adapter plate are all of easily-disassembled and assembled structures, the convenience of the whole device in disassembly and assembly is improved, the maintenance and the maintenance after use are convenient, the labor cost is reduced, the two electric heating plates are arranged, the whole length of the electric heating plates is short, the local part of the shell is convenient to heat, and the energy consumption cost is reduced compared with that of a traditional feeding mechanism.

2. According to the utility model, the first packing auger and the second packing auger are arranged, the raw materials are pushed to flow in the shell through the rotation of the first packing auger and the second packing auger, more raw materials can be stored between the first packing auger due to the larger diameter and the larger interval of the first packing auger, and after the raw materials enter the second packing auger, the pressure on the raw materials is rapidly increased due to the reduced diameter and the reduced interval of the second packing auger, so that the raw materials are compressed, bubbles in the raw materials are eliminated, and the quality of finished products is improved.

3. The feeding device is provided with the liquid collecting head, the first electromagnetic valve, the liquid return pipe, the limiting piece and the second electromagnetic valve, when feeding is stopped, the first electromagnetic valve is switched on while the second electromagnetic valve is switched off, at the moment, the main shaft, the first packing auger and the second packing auger continuously keep rotating, raw materials are pushed to enter the liquid return pipe through the liquid collecting head and then are conveyed to the inside of the shell again through the first liquid dividing valve to form circular flow, the raw materials are heated through the electric heating plate in the flowing process, and the raw materials are ensured to keep a good flowing state.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a rear view of the structure of fig. 1 according to the present invention.

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2 according to the present invention.

Fig. 4 is a schematic perspective view of the spindle of the present invention.

Fig. 5 is an enlarged schematic view of the utility model at a in fig. 4.

In the figure: the device comprises a shell 1, a main shaft 2, a first packing auger 3, a second packing auger 4, a fixing plate 5, a transmission shaft seat 6, an electric heating plate 7, an outer protecting plate 8, a first liquid dividing valve 9, a liquid inlet pipe 10, a liquid infusion pump 11, a fixed seat 12, an adapter plate 13, a liquid collecting head 14, a first electromagnetic valve 15, a liquid return pipe 16, a limiting piece 17 and a second electromagnetic valve 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, in an embodiment of the present invention, an automatic feeding mechanism for an injection mold includes a housing 1 and an adapter plate 13, two ends of the housing 1 are communicated with each other, an inner diameter of an inner wall of one end of the housing 1 is greater than an inner diameter of an inner wall of the other end of the housing 1, and a main shaft 2 is disposed inside the housing 1; a fixing plate 5 is arranged at one end of the main shaft 2, the main shaft 2 is rotatably connected with the fixing plate 5, and the fixing plate 5 is fixedly connected with one end of the shell 1; one end of the fixed plate 5, which is far away from the shell 1, is provided with a transmission shaft seat 6, and the transmission shaft seat 6 penetrates through the fixed plate 5 and forms a rotating structure with the main shaft 2; the outer wall of the main shaft 2 is wrapped by a first packing auger 3 and a second packing auger 4, and the diameter and the distance between the first packing auger 3 are both larger than those between the second packing auger 4; the adapter plate 13 is fixedly connected with the other end of the shell 1, the adapter plate 13 is in a hollow structure, and meanwhile, the adapter plate 13 is rotatably connected with the other end of the main shaft 2; the one end that the keysets 13 kept away from casing 1 install liquid collecting head 14, and liquid collecting head 14 is linked together through hollow out construction and casing 1 inside.

According to the technical scheme, the shell 1, the main shaft 2 and the adapter plate 13 are of split structures, so that the detachable spindle has high dismounting convenience, and meanwhile, the internal structure is simple, and the maintenance and curing convenience in subsequent use is improved.

In this embodiment, the outer wall of the casing 1 is provided with two electric heating plates 7, the two electric heating plates 7 are symmetrically arranged about the center line of the casing 1, and the outer part of the electric heating plates 7 is wrapped with an outer guard plate 8; the outer guard plates 8 are symmetrically arranged about the center line of the shell 1, and two ends of the two outer guard plates 8 are fixedly connected with the outer wall of the shell 1.

According to the technical scheme, the electric heating plate 7 is convenient for heating the local part of the shell 1, and further keeps the heat of the passing raw materials, so that the raw materials can be ensured to continuously keep a good flowing state.

In this embodiment, a first liquid dividing valve 9 is installed at one end of the outer wall of the housing 1 close to the fixing plate 5, and the first liquid dividing valve 9 is communicated with the inside of the housing 1; a liquid inlet pipe 10 is arranged at one end of the first liquid dividing valve 9, and the tail end of the liquid inlet pipe 10 is communicated with an infusion pump 11; the infusion pump 11 is fixedly connected with the fixing seat 12, and the fixing seat 12 is installed outside the outer protection plate 8.

According to the above technical solution, the first liquid dividing valve 9 controls the communication state between the liquid inlet pipe 10 and the liquid return pipe 16 and the inside of the casing 1, and the liquid delivery pump 11 is matched with the liquid inlet pipe 10 to deliver the raw material to the inside of the casing 1.

In this embodiment, a first electromagnetic valve 15 is installed on one side of the outer wall of the liquid collecting head 14, and a second electromagnetic valve 18 is installed at the bottom of the liquid collecting head 14; a liquid return pipe 16 is installed outside the first electromagnetic valve 15, and the end of the liquid return pipe 16 is communicated with the first liquid dividing valve 9.

According to the above technical solution, the first solenoid valve 15 and the second solenoid valve 18 are used to control the connection state of the liquid collecting head 14, so that the raw material can flow back into the casing 1 through the liquid return pipe 16 in the feeding stop state.

In this embodiment, the liquid return tube 16 is connected to the limiting member 17 in a snap-fit manner, and the limiting member 17 is connected to the outer guard 8.

According to the above technical scheme, because the length of liquid return pipe 16 is longer, and the diameter is less, centre gripping is fixed through locating part 17 to the middle part of liquid return pipe 16, improves the stability of liquid return pipe 16 when using.

The working principle of the utility model is as follows: firstly, a liquid delivery pump 11 is communicated with an external raw material delivery pipeline, a second electromagnetic valve 18 is communicated with an injection mold, a transmission shaft seat 6 is connected with an external motor, then an external power supply is connected, the liquid delivery pump 11 and a first liquid dividing valve 9 are started, the first liquid dividing valve 9 and a liquid inlet pipe 10 are connected, then the raw materials are delivered to the inside of a shell 1, two electric heating plates 7 are synchronously started, the raw materials flowing through the shell 1 are heated and insulated through the electric heating plates 7, meanwhile, a main shaft 2, a first auger 3 and a second auger 4 are driven to synchronously rotate through the transmission shaft seat 6, the raw materials are driven to flow to a liquid collecting head 14 along the shell 1 through the rotating first auger 3 and the rotating second auger 4, finally, the second electromagnetic valve 18 is started, the raw materials are injected into the mold through the second electromagnetic valve 18, after the raw materials are stopped to be delivered, the second electromagnetic valve 18 is closed and the first electromagnetic valve 15 is started, and simultaneously, the first liquid dividing valve 9 is started to be communicated with the liquid return pipe 16, and at the moment, the raw materials are conveyed to the inside of the shell 1 again through the liquid return pipe 16 to further perform circulation flow.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 an injection mold's dynamic sending machine which characterized in that: the novel bearing comprises a shell (1) and an adapter plate (13), wherein two ends of the shell (1) are communicated with each other, the inner diameter of the inner wall of one end of the shell (1) is larger than that of the inner wall of the other end of the shell (1), and a main shaft (2) is arranged in the shell (1); a fixing plate (5) is mounted at one end of the main shaft (2), the main shaft (2) is rotatably connected with the fixing plate (5), and the fixing plate (5) is fixedly connected with one end of the shell (1); a transmission shaft seat (6) is arranged at one end of the fixed plate (5) far away from the shell (1), and the transmission shaft seat (6) penetrates through the fixed plate (5) to form a rotating structure with the main shaft (2); the outer wall of the main shaft (2) is wrapped by a first packing auger (3) and a second packing auger (4), and the diameter and the distance between the first packing auger (3) and the second packing auger (4) are both larger than those between the first packing auger and the second packing auger; the adapter plate (13) is fixedly connected with the other end of the shell (1), the adapter plate (13) is of a hollow structure, and meanwhile, the adapter plate (13) is rotatably connected with the other end of the main shaft (2); a liquid collecting head (14) is installed at one end, far away from the shell (1), of the adapter plate (13), and the liquid collecting head (14) is communicated with the interior of the shell (1) through a hollow structure.

2. The automatic feeding mechanism of an injection mold according to claim 1, characterized in that: the outer wall of the shell (1) is provided with two electric heating plates (7), the two electric heating plates (7) are symmetrically arranged relative to the center line of the shell (1), and the outer part of each electric heating plate (7) is wrapped with an outer guard plate (8); the two outer guard plates (8) are symmetrically arranged about the center line of the shell (1), and the two ends of the two outer guard plates (8) are fixedly connected with the outer wall of the shell (1).

3. The automatic feeding mechanism of an injection mold according to claim 2, characterized in that: one end of the outer wall of the shell (1) close to the fixed plate (5) is provided with a first liquid dividing valve (9), and the first liquid dividing valve (9) is communicated with the inside of the shell (1); a liquid inlet pipe (10) is arranged at one end of the first liquid dividing valve (9), and the tail end of the liquid inlet pipe (10) is communicated with an infusion pump (11); the infusion pump (11) is fixedly connected with the fixing seat (12), and the fixing seat (12) is installed outside the outer protection plate (8).

4. The automatic feeding mechanism of an injection mold according to claim 1, characterized in that: a first electromagnetic valve (15) is installed on one side of the outer wall of the liquid collecting head (14), and a second electromagnetic valve (18) is installed at the bottom of the liquid collecting head (14); a liquid return pipe (16) is arranged outside the first electromagnetic valve (15), and the tail end of the liquid return pipe (16) is communicated with the first liquid dividing valve (9).

5. The automatic feeding mechanism of an injection mold according to claim 4, characterized in that: the liquid return pipe (16) is connected with the limiting piece (17) in a clamping mode, and the limiting piece (17) is connected with the outer guard plate (8).