CN215550447U - Feeding device for injection molding workshop section - Google Patents

Abstract

The utility model relates to a feeding device for an injection molding section, which comprises a mixing barrel body, wherein the top part of the mixing barrel body is provided with a communicated middle charging barrel, and the inside of the mixing barrel body is provided with frame type stirring blades; the middle charging barrel is connected with the storage barrel through a material suction pipeline and is also connected with a material suction machine through a pipeline; the material suction machine vacuumizes the middle material cylinder to form negative pressure, so that the material enters the middle material cylinder. The utility model achieves the following beneficial effects: the automatic feeding device has the advantages of high automation degree, high working efficiency, convenient feeding, automatic material return and difficult blockage.

Description

Feeding device for injection molding workshop section

Technical Field

The utility model relates to a technical field of the feeding of moulding plastics, especially a feedway for moulding plastics the workshop section.

Background

The plastic products are widely applied to life, plastic products are manufactured by injection molding during preparation, and the injection molding machine is mechanical equipment which is used for manufacturing the plastic products with various shapes by using various molding dies with thermosetting raw materials or thermoplastic raw materials.

At present, the mode of manually feeding materials is mostly adopted for supplying raw materials to an injection molding machine, the manual feeding has a large number of defects, the labor intensity of workers is enhanced in the traditional worker feeding link, and the raw materials cannot be supplied according to the weight on time.

Therefore, a manual throwing mode is adopted, mechanical throwing cannot be achieved, and mechanical throwing is not flexible because of the defect of mechanical throwing. For example, when the amount of the material is appropriate, the valve needs to be closed, and the material speed is reduced to zero, so that the material stays in the pipeline, and the material has gravity; the velocity of these materials again requires re-ramping from zero as the feed continues. Because of the large friction between the material and the inner wall of the pipe and between the material particles, if the pipe is too long, it is very difficult to increase the speed from zero, so that the blockage is often easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides the feeding device for the injection molding working section, which has the advantages of high automation degree, high working efficiency, convenient feeding, automatic material return and difficult blockage.

The purpose of the utility model is realized by the following technical scheme: a feeding device for an injection molding section comprises a mixing barrel body, wherein the top of the mixing barrel body is provided with a communicated middle charging barrel, and a frame type stirring blade is arranged in the mixing barrel body;

the intermediate charging barrel is connected with the storage barrel through a material suction pipeline and is also connected with a material suction machine through a pipeline;

the material suction machine vacuumizes the middle material cylinder to form negative pressure, so that the material enters the middle material cylinder;

the material suction pipeline comprises a vertical section and an inclined section.

Preferably, the top of the mixing cylinder body is provided with two middle charging barrels which respectively correspond to the first material suction machine and the second material suction machine. Only one material may be sucked, or two materials may be sucked.

Furthermore, the end of the material suction pipeline is provided with a conical material suction head, and the conical material suction head extends into the material storage barrel.

Furthermore, a crushing device is arranged on the material suction pipeline and comprises a main shaft, a crushing blade and a three-phase asynchronous motor; the main shaft is arranged in the material suction pipeline, and a crushed material blade is arranged on the main shaft and is driven by a three-phase asynchronous motor. Can effectively avoid the blockage of the material suction pipeline.

Furthermore, the crushing device also comprises an installation cylinder, the material suction pipeline is provided with a plurality of sections of pipes, and the sections of pipes are connected through threaded connection ends; the mounting cylinder is coaxially arranged between the two sections of pipes, and the main shaft is perpendicular to the axis of the mounting cylinder and is eccentrically arranged along the section circle of the mounting cylinder. The influence is not great when the material is normally sucked, and the device can be started when blockage occurs.

Furthermore, the side surface of the middle charging barrel is provided with a material suction port, and the top of the middle charging barrel is provided with an air outlet; the material suction pipeline is connected to the material suction port; the suction machine is connected on the suction port through a pipeline, and the pipeline is provided with an adjusting valve.

Preferably, the frame type stirring blade is installed on the stirring main shaft, and the stirring main shaft is connected with the stirring motor at the top of the mixing barrel body.

Further, the bottom of the mixing barrel body is a conical outlet, and a flow rate detector is arranged at the conical outlet.

Preferably, the bottom of the suction machine is provided with a support roller and a support pillar.

The utility model has the following advantages:

(1) the material is sucked in a vacuumizing mode by arranging an intermediate material cylinder, a material sucking machine and a material sucking pipeline; when the valve is closed, the materials fall back into the storage barrel again under the gravity, so that the materials are not easy to accumulate; not only improves the working efficiency, but also can not be blocked;

(2) the material crushing device can avoid the occurrence of a few blockage conditions, and mainly has small interference on materials during material suction;

(3) frame stirring vane's setting can avoid the condition of hanging the material to appear in the inner wall of compounding roller.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a crushing device arranged on a material suction pipeline;

FIG. 3 is a schematic structural view of the crushing device taken along a section of the mounting cylinder;

in the figure: 1-a first suction machine, 2-a regulating valve, 3-a suction pipeline, 4-a crushing device, 401-a main shaft, 402-a crushing blade, 403-a three-phase asynchronous motor, 404-an installation cylinder, 5-an intermediate cylinder, 6-a stirring motor, 7-an air outlet, 8-a suction port, 9-an air inlet, 10-a second suction machine, 11-a support roller, 12-a support pillar, 13-a frame type stirring blade, 14-a stirring main shaft, 15-a flow detector, 16-a mixing roller, 17-a conical suction head, 18-a threaded connection end and 19-a discharge barrel.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in fig. 1 to 3, a feeding device for an injection molding section comprises a mixing cylinder 16, a material suction machine and a material suction pipeline 3; the mixing barrel 16 is vertically arranged, a frame type stirring blade 13 is arranged in the mixing barrel, and a middle charging barrel 5 communicated with the mixing barrel is arranged at the top of the mixing barrel; the top of the middle charging barrel 5 is connected with a suction machine, and the side wall of the middle charging barrel 5 is connected with a storage barrel 19 through a pipeline 3.

In the scheme, a vacuumizing machine is arranged in the suction machine, an air suction port 9 is formed in the suction machine, and the vacuumizing machine vacuumizes the middle charging barrel 5 through the air suction port 9; a switch door is arranged between the bottom of the intermediate charging barrel 5 and the mixing barrel body 16, and when the vacuum is pumped, the switch door is closed, so that the material in the storage barrel 19 enters the intermediate charging barrel 5 through the material suction pipeline 3. In order to avoid the material entering the washer, the top of the intermediate charging barrel 5 is provided with a filter head.

In the embodiment, the side surface of the middle charging barrel 5 is provided with a material suction port 8, the top of the middle charging barrel is provided with an air outlet 7, and the material suction pipeline 3 is connected to the material suction port 8; the auto sucking machine is in pipe connection on air exit 7, and the filter head is located air exit 7 department, is provided with governing valve 2 on this pipeline, through the dynamics of 2 steerable pumpdown of governing valve, avoids transferring the evacuation machine in the auto sucking machine repeatedly, improves life. Preferably, the control valve 2 is constructed as a ball valve.

In this scheme, inhale material pipeline 3 and include vertical highway section and slope highway section. Thus, even if the suction machine stops working, the material in the suction pipeline 3 still falls back into the storage tank 19 under the action of gravity.

In this embodiment, two intermediate material cylinders 5 are disposed on the top of the mixing cylinder 16, and respectively correspond to the first material sucking machine 1 and the second material sucking machine 10. Two suction machines can suck the same material, so that the quantity of the material in the suction pipeline 3 corresponding to a single suction machine is small. If a plurality of materials are needed, the materials are respectively sucked through different suction machines, so that the mixing of the plurality of raw materials is realized.

In the scheme, the material suction pipeline 3 is provided with a plurality of sections of pipes which are connected through threaded connection ends; in normal operation, the situation that the material suction pipeline 3 is blocked basically can not occur, but in case of accident, the crushing device 4 is arranged between the two sections of pipes, so that the blocking of the material suction pipeline 3 is avoided.

Specifically, the method comprises the following steps: the crushing device 4 includes a main shaft 401, a crushing blade 402, a three-phase asynchronous motor 403, and a mounting cylinder 404; the mounting cylinder 404 is coaxially arranged between the two sections of pipes, the main shaft 401 is perpendicular to the axis of the mounting cylinder 404 and is eccentrically arranged along the section circle of the mounting cylinder 404, and a plurality of crushing blades 402 are arranged on the main shaft 401; the main shaft 401 extends out of the mounting barrel 404 and is connected with a three-phase asynchronous motor 403 in a driving mode. Because the main shaft 401 is eccentrically arranged, the material flow cannot be blocked too much, when the blockage occurs, the three-phase asynchronous motor 403 is started, the crushing blade 1 can crush the blocked material block into fine fragments, the defect of material blockage is overcome finally, and the material suction pipeline 3 is dredged.

In this embodiment, the conical suction head 17 is installed at the end of the suction pipeline 3, and the conical suction head 17 extends into the storage barrel 19 to ensure that the maximum amount of material can be sucked at the beginning.

In this embodiment, be provided with agitator motor 6 at the top of compounding barrel 16, agitator motor 6 links to each other with the drive of stirring main shaft 14, installs a plurality of frame stirring vane 13 on the stirring main shaft 14, and the rotary motion is with raw materials intensive mixing even, avoids the raw materials to remain on the barrel lateral wall simultaneously, and the raw materials is under the effect of gravity, and is automatic to be carried downwards. The bottom of the mixing barrel 16 is a cone-shaped outlet, and a flow meter 15 is arranged at the cone-shaped outlet.

In this embodiment, because the auto sucking machine is small in size, be provided with supporting roller 11 and support post 12 in the bottom of auto sucking machine, be favorable to removing the auto sucking machine is nimble, can adjust its spatial position in order to satisfy in production requirement, reduced the intensity of labour of artifical transport this moment.

The above examples only represent preferred embodiments, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (9)

1. A feedway for injection molding workshop section which characterized in that:

comprises a mixing barrel body (16), a middle charging barrel (5) communicated with the top of the mixing barrel body, and a frame type stirring blade (13) arranged in the mixing barrel body;

the intermediate charging barrel (5) is connected with a storage barrel (19) through a material suction pipeline (3) and is also connected with a material suction machine through a pipeline;

the material suction machine is used for vacuumizing the intermediate charging barrel (5) to form negative pressure, so that the material enters the intermediate charging barrel (5);

the material suction pipeline (3) comprises a vertical section and an inclined section.

2. A feeder device for an injection molding station according to claim 1, characterized in that: the top of the mixing barrel body (16) is provided with two middle charging barrels (5) which respectively correspond to the first material suction machine (1) and the second material suction machine (10).

3. A feeder device for an injection molding station according to claim 2, characterized in that: the end of the material suction pipeline (3) is provided with a conical material suction head (17), and the conical material suction head (17) extends into the material storage barrel (19).

4. A feeder device for an injection molding station according to claim 3, characterized in that: a crushing device (4) is arranged on the material suction pipeline (3) and comprises a main shaft (401), a crushing blade (402) and a three-phase asynchronous motor (403);

the main shaft (401) is arranged in the material suction pipeline (3), and a material crushing blade (402) is arranged on the main shaft and driven by a three-phase asynchronous motor (403).

5. A feeder device for an injection molding station according to claim 4, characterized in that: the crushing device (4) further comprises an installation cylinder (404), the material suction pipeline (3) is provided with a plurality of sections of pipes, and the sections of pipes are connected through threaded connection ends;

the mounting cylinder (404) is coaxially arranged between the two sections of pipes, and the main shaft (401) is perpendicular to the axis of the mounting cylinder (404) and is eccentrically arranged along the section circle of the mounting cylinder (404).

6. A feeder device for an injection molding station according to claim 4 or 5, characterized in that: a material suction port (8) is arranged on the side surface of the middle charging barrel (5), and an air outlet (7) is arranged at the top of the middle charging barrel;

the material suction pipeline (3) is connected to the material suction port (8);

the suction machine is connected to the suction port (8) through a pipeline, and the pipeline is provided with an adjusting valve (2).

7. A feeder device for an injection molding station according to claim 6, characterized in that: the frame type stirring blade (13) is arranged on a stirring main shaft (14), and the stirring main shaft (14) is connected with a stirring motor (6) at the top of the mixing barrel body (16).

8. A feeder device for an injection molding station according to claim 7, characterized in that: the bottom of the mixing cylinder body (16) is a conical outlet, and a flow detector (15) is arranged at the conical outlet.

9. A feeder device for an injection molding station according to claim 8, characterized in that: the bottom of the suction machine is provided with a supporting roller (11) and a supporting pillar (12).

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