CN219095734U

CN219095734U - Hopper structure for plastic injection molding

Info

Publication number: CN219095734U
Application number: CN202222534686.5U
Authority: CN
Inventors: 周烈国; 李广; 邹家聪; 左海龙; 李福绵; 刘平; 刘国强; 许维良; 董红燕; 唐兵; 柯常龙
Original assignee: Dongtai Precision Plastic Technology Shenzhen Co ltd
Current assignee: Dongtai Precision Plastic Technology Shenzhen Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-05-30
Anticipated expiration: 2032-09-22

Abstract

The utility model discloses a hopper structure for plastic injection molding, which comprises a feed hopper and two adsorption mechanisms arranged in the feed hopper, wherein a collecting mechanism is arranged at the bottom of the side surface of the feed hopper, and anti-blocking mechanisms are arranged at the two sides of the feed hopper; the adsorption mechanism comprises an inclined plate, the end part of the inclined plate is fixedly connected to the inner wall of the feed hopper through a mounting plate, and the bottom of the inclined plate is fixedly connected with an electromagnetic coil; the collecting mechanism comprises a mounting frame fixedly connected to the side face of the feeding hopper, an electric cylinder is fixedly connected to the side face of the mounting frame, and a collecting frame is fixedly connected to the output end of the electric cylinder. The utility model can not only avoid blocking during injection molding by stirring, but also conveniently adsorb and collect scrap iron in injection molding materials, thereby effectively avoiding the scrap iron and raw materials from entering the injection molding machine together, and further ensuring the quality of products.

Description

Hopper structure for plastic injection molding

Technical Field

The utility model relates to the technical field of hoppers of injection molding machines, in particular to a hopper structure for plastic injection molding.

Background

Injection molding machine: it is a main forming equipment for making thermoplastic plastics or thermosetting plastics into various shaped plastic products by using plastic forming mould. Injection molding machines are generally plastic injection molding devices comprising a plasticizing system, an injection system, a mold closing system, a transmission system, etc., which can heat plastic, apply high pressure to the molten plastic to make it injection and fill the mold cavity, and currently, existing injection molding machines are of three types, vertical, horizontal and all-electric. The feed to the injection molding machine is typically hopper controlled.

The application number is as follows: CN201821415101.5 discloses a hopper of an injection molding machine, comprising a barrel body, the top of staving is provided with the bung, the top fixedly connected with backup pad of bung, fixedly mounted with motor on the outer wall of one side of backup pad, the inner wall fixedly connected with three skeleton of staving, the same drum of the common fixedly connected with of one end that three skeleton is close to each other, rotate on the drum and be connected with the driving shaft, the fixed cover in top of driving shaft is established on the output shaft of motor. The utility model has high practicality, the plastic particles in the barrel body can be stirred by arranging the plurality of first round rods on the driving shaft, the plastic particles can smoothly fall to the discharge hole by matching with the screen movement of the screen mesh, and the plastic particles adhered to and clustered by matching the plurality of first round rods and the second round rods can be scattered, so that the plastic particle stacking condition caused by the fact that the plastic particle clusters are blocked in the discharge hole can be effectively avoided.

Although the hopper in the above technology can effectively avoid blockage, because some scrap iron is inevitably doped in the injection molding material, the above technology cannot remove the scrap iron contained in the raw material, so that the scrap iron and the raw material enter the injection molding machine together, and the quality of the product is further affected.

Disclosure of Invention

Aiming at the problems that the hopper in the prior art can effectively avoid blocking, but the iron filings contained in the raw materials cannot be removed due to the fact that some iron filings are inevitably doped in the injection molding material, so that the iron filings and the raw materials enter the injection molding machine together to further influence the quality of products, the utility model provides the hopper structure for plastic injection molding, which can not only avoid blocking during injection molding through stirring, but also facilitate adsorption and collection of the iron filings in the injection molding material, thereby effectively avoiding the iron filings and the raw materials from entering the injection molding machine together and further ensuring the quality of products.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a hopper structure for plastic injection molding, comprising:

the anti-blocking device comprises a feeding hopper and two adsorption mechanisms arranged in the feeding hopper, wherein a collecting mechanism is arranged at the bottom of the side surface of the feeding hopper, and anti-blocking mechanisms are also arranged at the two sides of the feeding hopper;

the adsorption mechanism comprises an inclined plate, the end part of the inclined plate is fixedly connected to the inner wall of the feed hopper through a mounting plate, and the bottom of the inclined plate is fixedly connected with an electromagnetic coil;

the collecting mechanism comprises a mounting frame fixedly connected to the side face of the feeding hopper, an electric cylinder is fixedly connected to the side face of the mounting frame, a collecting frame is fixedly connected to the output end of the electric cylinder, a slag hole matched with the collecting frame is formed in the side face of the feeding hopper and corresponds to the position of the collecting frame, and a sealing baffle matched with the slag hole is fixedly connected to the side face of the collecting frame and corresponds to the position of the slag hole.

Preferably, the bottom of feeder hopper both sides is all fixedly connected with symmetry setting's installation ear, just the feeder hopper passes through installation ear fixed mounting is in the feed inlet position of injection molding machine.

Preferably, the top of the feed hopper is fixedly connected with an open baffle.

Preferably, a sealing ring matched with the slag hole is fixedly connected to one side, close to the slag hole, of the sealing baffle plate.

Preferably, a vibrating motor is fixedly connected to the bottom of the inclined plate and one side, which is close to the mounting plate.

Preferably, the anti-blocking mechanism comprises a servo motor fixedly connected to the side face of the feeding hopper, a stirring shaft is fixedly connected to an output shaft of the servo motor, and one end, away from the servo motor, of the stirring shaft is fixedly connected with stirring blades.

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

according to the utility model, through the mutual coordination among the feeding hopper, the adsorption mechanism, the collecting mechanism and the anti-blocking mechanism, the hopper structure for plastic injection molding is realized, not only can the blockage caused by injection molding be avoided through stirring, but also scrap iron in injection molding materials can be conveniently adsorbed and collected in a concentrated manner, so that the scrap iron and raw materials are effectively prevented from entering an injection molding machine together, and the quality of products is further ensured.

Drawings

FIG. 1 is a schematic perspective view of a hopper structure for plastic injection molding according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a hopper structure for plastic injection molding according to the present utility model;

FIG. 3 is a schematic view of the structure of the hopper in the hopper structure for plastic injection molding of the present utility model;

FIG. 4 is a schematic diagram of the adsorption mechanism in the hopper structure for plastic injection molding of the present utility model;

FIG. 5 is a schematic view of a partial enlarged structure at A in FIG. 2 according to the present utility model;

fig. 6 is a schematic structural view of an anti-blocking mechanism in the hopper structure for plastic injection molding of the present utility model.

In the figure:

1. a feed hopper; 2. an adsorption mechanism; 3. a collection mechanism; 4. an anti-blocking mechanism;

101. a mounting ear; 102. an open baffle;

201. a sloping plate; 202. a mounting plate; 203. an electromagnetic coil; 2011. a vibration motor;

301. a mounting frame; 302. an electric cylinder; 303. a collection frame; 304. a slag outlet; 305. a sealing baffle;

401. a servo motor; 402. a stirring shaft; 403. stirring blades.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 6, a hopper structure for plastic injection molding includes:

the anti-blocking device comprises a feed hopper 1 and two adsorption mechanisms 2 arranged in the feed hopper 1, wherein a collecting mechanism 3 is arranged at the bottom of the side surface of the feed hopper 1, and anti-blocking mechanisms 4 are also arranged at two sides of the feed hopper 1;

the adsorption mechanism 2 comprises an inclined plate 201, wherein the end part of the inclined plate 201 is fixedly connected to the inner wall of the feed hopper 1 through a mounting plate 202, and the bottom of the inclined plate 201 is fixedly connected with an electromagnetic coil 203;

the collecting mechanism 3 comprises a mounting frame 301 fixedly connected to the side surface of the feed hopper 1, an electric cylinder 302 is fixedly connected to the side surface of the mounting frame 301, a collecting frame 303 is fixedly connected to the output end of the electric cylinder 302, a slag hole 304 matched with the collecting frame 303 is formed in the side surface of the feed hopper 1 and corresponds to the position of the collecting frame 303, and a sealing baffle 305 matched with the slag hole 304 is fixedly connected to the side surface of the collecting frame 303 and corresponds to the position of the slag hole 304;

wherein, anti-blocking mechanism 4 includes servo motor 401 of fixed connection in feeder hopper 1 side, fixedly connected with stirring axle 402 on servo motor 401's the output shaft, and stirring axle 402 keeps away from servo motor 401's one end fixedly connected with stirring blade 403.

Through adopting above-mentioned technical scheme, not only can avoid the jam that appears when moulding plastics through stirring, conveniently adsorb the iron fillings in the material of moulding plastics moreover to collect in the concentrate, thereby effectually avoided iron fillings and raw materials together get into in the injection molding machine, and then guaranteed the quality of product.

As shown in fig. 1-6, the bottoms of two sides of the feeding hopper 1 are fixedly connected with symmetrically arranged mounting lugs 101, the feeding hopper 1 is fixedly arranged at the position of a feeding port of an injection molding machine through the mounting lugs 101, and the top of the feeding hopper 1 is fixedly connected with an open baffle 102.

Through adopting above-mentioned technical scheme, both increased the convenience that feeder hopper 1 installed on the injection molding machine, increased again and moulded plastics the material and put in the inside convenience of feeder hopper 1.

As shown in fig. 1-6, a sealing ring matched with the slag outlet 304 is fixedly connected to one side of the sealing baffle 305 close to the slag outlet 304.

By adopting the above technical scheme, the tightness of the sealing baffle 305 when being connected with the slag hole 304 is increased.

As shown in fig. 1 to 6, a vibration motor 2011 is fixedly connected to the bottom of the swash plate 201 and to one side of the swash plate near the mounting plate 202.

Through adopting above-mentioned technical scheme, increased the convenience that iron fillings were collected.

In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.

According to the hopper structure for plastic injection molding, when the hopper structure is used, injection molding materials are put into the hopper 1 through the open baffle plate 102, meanwhile, the power supply of the electromagnetic coil 203 is connected, so that scrap iron in the injection molding materials can be adsorbed, when the injection molding materials are finished and the adsorbed scrap iron needs to be cleaned, only the electric cylinder 302 is required to be opened, the electric cylinder 302 is driven to drive the collecting frame 303 to extend into the end part of the inclined plate 201 positioned at the lower side, meanwhile, the power supply of the electromagnetic coil 203 is turned off, and the vibrating motor 2011 is turned on, so that the scrap iron adsorbed on the inclined plate 201 can be collected intensively.

To sum up: the hopper structure for plastic injection molding consists of a feed hopper 1, an adsorption mechanism 2, a collection mechanism 3 and an anti-blocking mechanism 4, and solves the problems mentioned in the background art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hopper structure for plastic injection molding, comprising:

the anti-blocking device comprises a feed hopper (1) and two adsorption mechanisms (2) arranged in the feed hopper (1), wherein a collecting mechanism (3) is arranged at the bottom of the side surface of the feed hopper (1), and anti-blocking mechanisms (4) are arranged at two sides of the feed hopper (1);

the adsorption mechanism (2) comprises an inclined plate (201), the end part of the inclined plate (201) is fixedly connected to the inner wall of the feed hopper (1) through a mounting disc (202), and an electromagnetic coil (203) is fixedly connected to the bottom of the inclined plate (201);

the collecting mechanism (3) comprises a mounting frame (301) fixedly connected to the side face of the feeding hopper (1), an electric cylinder (302) is fixedly connected to the side face of the mounting frame (301), a collecting frame (303) is fixedly connected to the output end of the electric cylinder (302), a slag hole (304) matched with the collecting frame (303) is formed in the side face of the feeding hopper (1) and corresponds to the position of the collecting frame (303), and a sealing baffle (305) matched with the slag hole (304) is fixedly connected to the side face of the collecting frame (303) and corresponds to the position of the slag hole (304).

2. A hopper construction for plastics injection moulding according to claim 1, wherein: the bottom of feeder hopper (1) both sides is all fixedly connected with installation ear (101) that the symmetry set up, just feeder hopper (1) is through installation ear (101) fixed mounting is in the feed inlet position of injection molding machine.

3. A hopper construction for plastics injection moulding according to claim 2, wherein: the top of the feed hopper (1) is fixedly connected with an open baffle (102).

4. A hopper construction for plastics injection moulding according to claim 3, wherein: and a sealing ring matched with the slag outlet (304) is fixedly connected to one side of the sealing baffle (305) close to the slag outlet (304).

5. The hopper construction for plastic injection molding as claimed in claim 4, wherein: and a vibrating motor (2011) is fixedly connected to the bottom of the inclined plate (201) and one side, which is close to the mounting plate (202).

6. The hopper construction for plastic injection molding as claimed in claim 5, wherein: the anti-blocking mechanism (4) comprises a servo motor (401) fixedly connected to the side face of the feed hopper (1), a stirring shaft (402) is fixedly connected to an output shaft of the servo motor (401), and one end, away from the servo motor (401), of the stirring shaft (402) is fixedly connected with stirring blades (403).