CN215283204U

CN215283204U - Precision hot runner injection mold for plastic cover plate

Info

Publication number: CN215283204U
Application number: CN202121491403.2U
Authority: CN
Inventors: 阳曙; 石雨; 伍明明; 李林; 蔡辉森
Original assignee: Seaflyer Moulding Shenzhen Co ltd
Current assignee: Seaflyer Moulding Shenzhen Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-12-24
Anticipated expiration: 2031-07-02

Abstract

The utility model relates to a plastic machine technical field just discloses accurate hot runner injection mold of plastic apron, including mold processing machine, mold processing machine's top is provided with the heating chamber, and mold processing machine and heating chamber communicate through communicating pipe, and the inside upside movable mounting of heating chamber has the rotation axis, and the upper end of heating chamber is provided with the motor. The utility model discloses in, first agitating unit extrudees the raw materials through first agitating unit's arc limit at clockwise rotation's in-process and makes the raw materials downstream, second agitating unit also carries out clockwise rotation along with the rotation axis this moment, second agitating unit extrudees the raw materials and makes raw materials upward movement through second agitating unit's arc limit at the pivoted in-process, make the inside raw materials of heating chamber circulate from top to bottom and flow, make the raw materials quick and contact with the heating rod through first agitating unit and second agitating unit, the rate of heating is fast, and the heating efficiency is improved.

Description

Precision hot runner injection mold for plastic cover plate

Technical Field

The utility model relates to the technical field of plastic machinery, especially, relate to accurate hot runner injection mold of plastic cover plate.

Background

The hot runner mold is a mold in which a melt in a runner is not solidified all the time by a heating device.

The hot runner mold of the Chinese patent CN207273726U injection molding machine comprises a plastic part cavity formed by closing a male mold and a female mold; a plurality of plastic part gates are arranged on the male die; the plastic part gates are communicated with the heat flow main channel through respective heat flow branch channels; the inlet end of the heat flow main channel is a plastic machine sprue; needle valve type hot nozzles with outlets facing the plastic part cavities are arranged at the plastic part gates; an electromagnetic directional valve is arranged at the intersection of the heat flow main channel and the heat flow branch channel; a displacement sensor is arranged at the position corresponding to a mold closing piston rod of the injection molding machine; and the displacement sensor is connected with the electric control end of the electromagnetic directional valve through the time schedule controller.

However, this device has the disadvantage that the heating device is arranged at the bottom when in operation, but the stirring device only functions to press the raw material downwards through the side surface of the stirring rod, the internal raw material cannot flow completely, the heating speed is slow, and the efficiency is low. To this end, we propose a plastic cover plate precision hot runner injection mold.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide the accurate hot runner injection mold of plastic cover plate.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, the accurate hot runner injection mold of plastic apron, including the mold processing machine, the top of mold processing machine is provided with the heating chamber, mold processing machine and heating chamber communicate through communicating pipe, the inside upside movable mounting of heating chamber has the rotation axis, the upper end of heating chamber is provided with the motor, the output shaft of motor runs through heating chamber and rotation axis fixed connection, the bilateral symmetry fixed mounting of rotation axis has the heating rod, the bilateral symmetry fixed mounting of rotation axis has first agitating unit, first agitating unit sets up directly over the heating rod, the bilateral symmetry fixed mounting of rotation axis has second agitating unit, second agitating unit sets up under the heating rod, first agitating unit and second agitating unit symmetry set up the both sides at the heating rod.

Preferably, the first stirring device is a right-angled triangular block, the surface of the first stirring device corresponding to the right angle is an arc, the second stirring device is a right-angled triangular block, and the surface of the second stirring device corresponding to the right angle is an arc.

Preferably, the side surface of the heating rod is transversely provided with a groove, the side surface of the heating rod is longitudinally provided with a contact groove, and the groove and the contact groove are arranged on the heating rod in a cross manner.

Preferably, a blanking block is fixedly mounted at the bottom side in the heating chamber, the upper end of the blanking block is an arc-shaped block which is sunken downwards, a communication hole is formed in the upper end of the blanking block, and the communication hole is a circular through hole communicated with the communication pipe.

Advantageous effects

The utility model provides an accurate hot runner injection mold of plastic cover plate. The method has the following beneficial effects:

(1) this accurate hot runner injection mold of plastic cover plate, place the inside at the heating chamber to the raw materials, starter motor, the motor drives the rotation axis and rotates, the rotation axis drives first agitating unit and carries out clockwise rotation, first agitating unit extrudees the raw materials through first agitating unit's arc limit at clockwise rotation's in-process and makes raw materials downstream, second agitating unit also carries out clockwise rotation along with the rotation axis this moment, second agitating unit extrudees the raw materials through second agitating unit's arc limit at the pivoted in-process and makes raw materials up motion, make the inside raw materials of heating chamber circulate from top to bottom and flow, make the quick and heating rod of raw materials contact through first agitating unit and second agitating unit, the rate of heating becomes fast, and the heating efficiency is improved.

(2) This accurate hot runner injection mold of plastic apron, the raw materials is in the upper end of lower material piece, flows in the inside of communicating pipe along the sunken face of lower material piece through the intercommunicating pore, flows in the inside of mould processing machine through communicating pipe and carries out work, can be abundant utilize the inside raw materials of heating chamber through the lower material piece, has avoided there being the raw materials to remain and has caused the extravagant condition of raw materials to take place in the bottom of heating chamber.

Drawings

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a first stirring device according to the present invention;

fig. 3 is a schematic partial structure diagram of a second embodiment of the present invention;

fig. 4 is a schematic view of a partial structure of a third embodiment of the present invention.

Illustration of the drawings:

1. a mold processing machine; 2. a heating chamber; 3. a communicating pipe; 4. a rotating shaft; 5. a motor; 6. a first stirring device; 7. a second stirring device; 8. a heating rod; 9. a groove; 10. blanking blocks; 11. a communicating hole; 12. contact the groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

The first embodiment is as follows:

as shown in fig. 1-2, the plastic cover plate precision hot runner injection mold comprises a mold processing machine 1, a heating chamber 2 is arranged above the mold processing machine 1, the heating chamber 2 is in a hollow circular column shape, the mold processing machine 1 and the heating chamber 2 are communicated through a communicating pipe 3, a rotating shaft 4 is movably mounted at the upper side inside the heating chamber 2, the rotating shaft 4 is in a circular column shape, heating rod motors 5 are symmetrically and fixedly mounted at two sides of the upper end of the heating chamber 2, an output shaft of the motor 5 penetrates through the heating chamber 2 and is fixedly connected with the rotating shaft 4, a rotating shaft 48 and a heating rod 8 are not repeated in the prior art, first stirring devices 6 are symmetrically and fixedly mounted at two sides of the rotating shaft 4, the first stirring devices 6 are right-angled triangular blocks, a plane corresponding to a right angle of the first stirring device 6 is arc-shaped, the first stirring devices 6 are arranged right above the heating rod 8, the bilateral symmetry fixed mounting of rotation axis 4 has second agitating unit 7, and second agitating unit 7 is right triangle's piece, and the face that the right angle of second agitating unit 7 corresponds is the arc, and second agitating unit 7 sets up under heating rod 8, and first agitating unit 6 and the symmetry of second agitating unit 7 set up the both sides at heating rod 8.

When the heating device is used, raw materials are placed inside the heating chamber 2, the motor 5 is started, the motor 5 drives the rotating shaft 4 to rotate, the rotating shaft 4 drives the first stirring device 6 to rotate clockwise, the first stirring device 6 extrudes the raw materials through the arc-shaped edge of the first stirring device 6 in the clockwise rotation process to enable the raw materials to move downwards, at the moment, the second stirring device 7 also rotates clockwise along with the rotating shaft 4, the second stirring device 7 extrudes the raw materials through the arc-shaped edge of the second stirring device 7 in the rotating process to enable the raw materials to move upwards, so that the raw materials inside the heating chamber 2 flow in an up-and-down circulating mode, and the raw materials are enabled to be in quick contact with the heating rod 8 through the first stirring device 6 and the second stirring device 7.

Example two:

on the basis of the first embodiment, as shown in fig. 3, the side surface of the heating rod 8 is transversely provided with a groove 9, the groove 9 is a rectangular groove, the side surface of the heating rod 8 is longitudinally provided with a contact groove 12, the heating chamber 2 is a rectangular groove, and the groove 9 and the contact groove 12 are arranged on the heating rod 8 in a cross shape.

When using, the raw materials can flow on heating rod 8 through recess 9 and contact tank 12, has increased the area of contact of raw materials with heating rod 8, makes the raw materials can be quick heat through heating rod 8, has improved rate of heating.

Example three:

on the basis of the second embodiment, as shown in fig. 4, a blanking block 10 is fixedly installed at the bottom side inside the heating chamber 2, the upper end of the blanking block 10 is an arc-shaped block which is recessed downwards, a communication hole 11 is formed at the upper end of the blanking block 10, and the communication hole 11 is a circular through hole which is communicated with the communication pipe 3.

When in use, the raw material flows into the communicating tube 3 through the communicating hole 11 along the concave surface of the blanking block 10 at the upper end of the blanking block 10, and then flows into the die processing machine 1 through the communicating tube 3 to work, so that the raw material in the heating chamber 2 can be fully utilized by the blanking block 10.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Precision hot runner injection mold of plastic cover plate, including mold processing machine (1), the top of mold processing machine (1) is provided with heating chamber (2), mold processing machine (1) and heating chamber (2) communicate through communicating pipe (3), the inside upside movable mounting of heating chamber (2) has rotation axis (4), the upper end of heating chamber (2) is provided with motor (5), the output shaft of motor (5) runs through heating chamber (2) and rotation axis (4) fixed connection, its characterized in that: the bilateral symmetry fixed mounting of rotation axis (4) has heating rod (8), and the bilateral symmetry fixed mounting of rotation axis (4) has first agitating unit (6), and first agitating unit (6) set up directly over heating rod (8), and the bilateral symmetry fixed mounting of rotation axis (4) has second agitating unit (7), and second agitating unit (7) set up under heating rod (8), and first agitating unit (6) and second agitating unit (7) symmetry set up the both sides at heating rod (8).

2. The precision hot runner injection mold for plastic cover plates of claim 1, wherein: first agitating unit (6) are right triangle's piece, and the face that the right angle of first agitating unit (6) corresponds is the arc, and second agitating unit (7) are right triangle's piece, and the face that the right angle of second agitating unit (7) corresponds is the arc.

3. The precision hot runner injection mold for plastic cover plates of claim 1, wherein: the lateral surface of the heating rod (8) is transversely provided with a groove (9), the lateral surface of the heating rod (8) is longitudinally provided with a contact groove (12), and the groove (9) and the contact groove (12) are arranged on the heating rod (8) in a cross shape.

4. The precision hot runner injection mold for plastic cover plates of claim 1, wherein: the heating chamber (2) is characterized in that a blanking block (10) is fixedly mounted at the bottom side of the interior of the heating chamber, the upper end of the blanking block (10) is an arc-shaped block which is sunken downwards, a communication hole (11) is formed in the upper end of the blanking block (10), and the communication hole (11) is a circular through hole communicated with the communication pipe (3).