CN212400146U

CN212400146U - Accurate weighing device of mould raw materials for plastic mold injection molding

Info

Publication number: CN212400146U
Application number: CN202020478323.2U
Authority: CN
Inventors: 高小龙
Original assignee: Shaanxi Zhongke Wending Information Technology Co ltd
Current assignee: Shaanxi Zhongke Wending Information Technology Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2021-01-26
Anticipated expiration: 2030-04-03

Abstract

The utility model discloses a plastic mold moulds plastics and uses accurate weighing device of mould raw materials, include heating cabinet, servo motor, weighing dish, hold frame, compression spring and solenoid valve, the feed inlet has been seted up to the upper surface of heating cabinet, and the rear side of heating cabinet side surface bolt fastening has servo motor to the inside front surface welded fastening of heating cabinet has the bearing, servo motor's output welded fastening has the dwang, and the surface of dwang is provided with the weighing dish, the inside of weighing dish has been seted up and has been held the frame, the inside rear side surface welded fastening of heating cabinet has the offset dish. This plastics mould is mould raw materials accurate weighing device for injection molding is provided with the weighing dish, holds frame and keep out the dish, when the accuracy is weighed, can make whole device need carry out the secondary transportation through other transport means with the raw materials body after weighing to the transport time of raw materials has been saved, has improved conveying efficiency.

Description

Accurate weighing device of mould raw materials for plastic mold injection molding

Technical Field

The utility model relates to a plastic mold injection moulding device technical field specifically is a plastic mold moulds plastics and uses accurate weighing device of mould raw materials.

Background

The mold occupies an important position in industrial production, and the injection molding is divided into metal injection molding and non-metal injection molding, and articles such as a plastic basin and the like are used daily by plastic injection molding, and a raw material body is conveyed into a heating box by accurate weighing, so that the molten raw material is conveyed into the injection mold.

Most of the existing devices for accurately weighing the raw materials of the molds for plastic mold injection have the following problems:

firstly, other transportation tools are needed to convey the raw materials after weighing, most of the existing accurate mold raw material weighing devices for plastic mold injection are required to use a driving belt or a trolley to pour the raw materials into a heating box after weighing the raw material bodies, so that the injection molding time of the whole device is increased, and the efficiency is low;

second, empty speed is slower, and the speed of empting is fixed when empting into the heating cabinet with the raw materials body with mould raw materials accurate weighing device for the plastic mold injection molding at present, and it is raw materials hot melt that can not be quick relatively to make the machining efficiency of raw materials slow down.

Therefore, we propose a device for accurately weighing mold raw materials for plastic mold injection so as to solve the problems proposed in the above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic mold moulds plastics and uses accurate weighing device of mould raw materials to solve above-mentioned background art and propose present most plastics moulds plastics and mould raw materials accurate weighing device weigh the back and need use other transport means to send away the raw materials and empty the slower problem of speed.

In order to achieve the above object, the utility model provides a following technical scheme: a precise weighing device for mold raw materials for plastic mold injection molding comprises a heating box, a servo motor, a weighing disc, a containing frame, a pressure spring and an electromagnetic valve, wherein a feed inlet is formed in the upper surface of the heating box, the servo motor is fixed on the rear side surface of the heating box through a bolt, a bearing is fixed on the inner front surface of the heating box through welding, a rotating rod is fixed on the output end of the servo motor through welding, the weighing disc is arranged on the outer surface of the rotating rod, the containing frame is formed in the weighing disc, the pressure spring is fixed on the outer side surface of the containing frame through welding, a bearing plate is arranged on the outer side surface of the containing frame, a retaining disc is fixed on the inner rear side surface of the heating box through welding, a raw material body is placed in the heating box, a guide block is welded on the inner upper surface of the heating box, and a discharge outlet is formed, and the surface of the discharge hole is provided with an electromagnetic valve.

Preferably, the rotating structure is formed by the weighing disc through the bearing, the rotating rod and the heating box, the containing frame is arranged in the weighing disc at equal angles, and the weighing disc is movably connected with the rotating rod.

Preferably, the accommodating frame is located under the feed inlet, the opening width of the accommodating frame is larger than that of the feed inlet, and four groups of the accommodating frame are arranged.

Preferably, the bearing plate and the accommodating frame form a sliding structure, the bearing plate and the accommodating frame form an elastic structure through a pressure spring, and the pressure spring is welded and fixed on the lower surface of the bearing plate at equal intervals.

Preferably, the blocking disc is arc-shaped, two groups of blocking discs are symmetrically arranged on the rotating rod in the central axis direction, and the inner side surface of each blocking disc is in contact with the opening of the accommodating frame.

Preferably, the upper end and the lower end of the blocking plate are located on the same horizontal plane, the right side surface of the upper end of the blocking plate and the left side surface of the containing frame are located on the same horizontal plane, and the length of the blocking plate is greater than that of the containing frame.

Compared with the prior art, the beneficial effects of the utility model are that: the device for accurately weighing the mold raw materials for plastic mold injection molding;

(1) the raw material weighing device is provided with the weighing disc, the accommodating frame and the resisting disc, so that the whole device can transport the raw material body for the second time through other transport tools after weighing while accurately weighing, thereby saving the transport time of the raw material and improving the transport efficiency;

(2) be provided with and accept board and compression spring, can make whole device the spring can accelerate empting of raw materials when empting the raw materials body to the hot melt that makes the raw materials passes through the time reduction, and then has improved the efficiency of moulding plastics of whole device.

Drawings

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

FIG. 2 is a schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the pressure spring of the present invention;

fig. 4 is a schematic view of a cross-sectional structure of the weighing pan.

In the figure: 1. a heating box; 2. a feed inlet; 3. a servo motor; 4. a bearing; 5. rotating the rod; 6. a weighing pan; 7. an accommodating frame; 8. a bearing plate; 9. a pressure spring; 10. a stopping disk; 11. a raw material body; 12. a guide block; 13. a discharge port; 14. an electromagnetic valve.

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. 1-4, the present invention provides a technical solution: a precise weighing device for mold raw materials for plastic mold injection molding comprises a heating box 1, a feed inlet 2, a servo motor 3, a bearing 4, a rotating rod 5, a weighing plate 6, a containing frame 7, a bearing plate 8, a pressure spring 9, a resisting plate 10, a raw material body 11, a guide block 12, a discharge port 13 and an electromagnetic valve 14, wherein the feed inlet 2 is formed in the upper surface of the heating box 1, the servo motor 3 is fixed on the rear side surface of the heating box 1 through a bolt, the bearing 4 is fixed on the front inner surface of the heating box 1 through welding, the rotating rod 5 is fixed on the output end of the servo motor 3 through welding, the weighing plate 6 is arranged on the outer surface of the rotating rod 5, the containing frame 7 is formed in the weighing plate 6, the pressure spring 9 is fixed on the outer side surface of the containing frame 7 through welding, the bearing plate 8 is arranged on the outer side surface of the containing frame 7, the resisting plate 10 is fixed on the rear, and raw materials body 11 has been placed to the inside of heating cabinet 1 to the inside upper surface welding of heating cabinet 1 has guide block 12, and discharge gate 13 has been seted up to the lower surface of heating cabinet 1, and the surface of discharge gate 13 is provided with solenoid valve 14.

The rotating structure is composed of the weighing plate 6 through the bearing 4, the rotating rod 5 and the heating box 1, the containing frame 7 is arranged at the inner part of the weighing plate 6 and at the same angle, the weighing plate 6 is movably connected with the rotating rod 5, the whole device can be changed into different weighing plates 6 according to actual production needs, and therefore the application range of the whole device is widened.

Hold frame 7 and be located feed inlet 2 under, and the opening width who holds frame 7 is greater than the opening width of feed inlet 2 to hold frame 7 and seted up four groups, can make raw materials body 11 can fall and hold in the frame meets 7, thereby prevent that the condition of scattering from appearing in raw materials body 11.

The bearing plate 8 and the containing frame 7 form a sliding structure, the bearing plate 8 and the containing frame 7 form an elastic structure through the pressure springs 9, the pressure springs 9 are welded and fixed on the lower surface of the bearing plate 8 at equal intervals, the speed of the raw material body 11 during pouring can be accelerated, the hot melting efficiency of the raw material body 11 is increased, and the injection molding efficiency of the plastic mold is improved.

The blocking disc 10 is arc-shaped, two groups of blocking discs 10 are symmetrically arranged on the axis of the rotating rod 5, the inner side surface of each blocking disc 10 is in contact with the opening of the containing frame 7, the raw material body 11 in the containing frame 7 can be prevented from dropping, and the quality of the raw material body 11 in the heating box 1 can not be increased.

The upper end and the lower extreme of keeping off dish 10 are located same horizontal plane, and the upper end right flank surface of keeping off dish 10 is located same horizontal plane with the left surface that holds frame 7 to the length of keeping off dish 10 is greater than the length that holds frame 7, and the dish 10 that keeps off can clear away out too much raw materials body 11 and hold frame 7, and then makes weighing of raw materials more accurate.

The working principle is as follows: firstly, according to fig. 1 and fig. 3-4, before the plastic mold needs to be subjected to hot melting injection molding, an injection molding raw material body 11 is poured from a feeding port 2, because a containing frame 7 is positioned right below the feeding port 2, and the opening width of the containing frame 7 is larger than that of the feeding port 2, the raw material body 11 cannot drop accidentally, when the raw material body 11 drops onto a bearing plate 8, because the bearing plate 8 and the containing frame 7 form a sliding structure, and the bearing plate 8 and the containing frame 7 form an elastic structure through a pressure spring 9, the pressure spring 9 is welded and fixed on the lower surface of the bearing plate 8 at equal intervals, when the pressure spring 9 is compressed to the limit, the servo motor 3 is turned on, the servo motor 3 drives a weighing disc 6 to rotate, because the upper end and the lower end of a resisting disc 10 are positioned on the same horizontal plane, and the right side surface of the upper end of the resisting disc 10 and the left side surface of the containing frame 7 are positioned on, the length of the resisting disc 10 is larger than that of the accommodating frame 7, so that the resisting disc 10 can remove the excessive raw material bodies 11 out of the accommodating frame 7, and the raw materials are weighed more accurately;

according to the illustration in fig. 1-2, when the containing frame 7 rotates 180 °, the raw material body 11 is poured into the heating box 1, and at this time, the pressure spring 9 recovers deformation, so that the receiving plate 8 pushes the raw material body 11 to drop into the heating box 1 at an accelerated speed, and after the raw material body 11 is melted, the electromagnetic valve 14 is opened, and the melted raw material body 11 is guided to an external processing device, which is the usage process of the device for accurately weighing the raw material of the mold for injection molding of the plastic mold, and what is not described in detail in this specification belongs to the prior art known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a plastic mold is mould raw materials accurate weighing device for injection molding, includes heating cabinet (1), servo motor (3), weighing plate (6), holds frame (7), compression spring (9) and solenoid valve (14), its characterized in that: the feed inlet (2) is formed in the upper surface of the heating box (1), the servo motor (3) is fixed on the rear side surface of the heating box (1) through bolts, the bearing (4) is fixed on the inner front surface of the heating box (1) through welding, the rotating rod (5) is fixed on the output end of the servo motor (3) through welding, the weighing disk (6) is arranged on the outer surface of the rotating rod (5), the containing frame (7) is arranged inside the weighing disk (6), the pressure spring (9) is fixed on the outer side surface of the containing frame (7) through welding, the bearing plate (8) is arranged on the outer side surface of the containing frame (7), the retaining disk (10) is fixed on the inner rear side surface of the heating box (1) through welding, the raw material body (11) is placed inside the heating box (1), and the guide block (12) is welded on the inner upper surface of the heating box (1), a discharge port (13) is formed in the lower surface of the heating box (1), and an electromagnetic valve (14) is arranged on the surface of the discharge port (13).

2. The device for accurately weighing the mold raw material for plastic mold injection molding according to claim 1, characterized in that: the rotating structure is composed of the weighing plate (6) through the bearing (4), the rotating rod (5) and the heating box (1), the containing frame (7) is arranged in the weighing plate (6) at equal angles, and the weighing plate (6) is movably connected with the rotating rod (5).

3. The device for accurately weighing the mold raw material for plastic mold injection molding according to claim 1, characterized in that: the accommodating frame (7) is positioned under the feed port (2), the opening width of the accommodating frame (7) is larger than that of the feed port (2), and four groups are arranged on the accommodating frame (7).

4. The device for accurately weighing the mold raw material for plastic mold injection molding according to claim 1, characterized in that: the bearing plate (8) and the containing frame (7) form a sliding structure, the bearing plate (8) and the containing frame (7) form an elastic structure through a pressure spring (9), and the pressure spring (9) is welded and fixed on the lower surface of the bearing plate (8) at equal intervals.

5. The device for accurately weighing the mold raw material for plastic mold injection molding according to claim 1, characterized in that: the stop disc (10) is arc-shaped, two sets of stop discs (10) are symmetrically arranged on the central axis of the rotating rod (5), and the inner side surface of each stop disc (10) is in contact with the opening of the accommodating frame (7).

6. The device for accurately weighing the mold raw material for plastic mold injection molding according to claim 1, characterized in that: the upper end and the lower end of the resisting disc (10) are located on the same horizontal plane, the right side surface of the upper end of the resisting disc (10) and the left side surface of the containing frame (7) are located on the same horizontal plane, and the length of the resisting disc (10) is larger than that of the containing frame (7).