阅读说明：本技术 一种全自动保压机 (Full-automatic pressurize machine ) 是由 杨智凯 于 2019-10-24 设计创作，主要内容包括：本发明公开了一种全自动保压机,其结构包括成型模具、分液接头、保压注料装置、热溶导料座、储料斗,本发明具有的效果：保压注料装置由料管、注料机构、气泵和电机以及保压机构组成,注料机构和保压机构相配合,使得螺杆向前输送溶体的同时能够利用前端设有的注气管向成型模具内部输送一定压力的气体,使成型模具内部持续保持一定的恒定气压,使注入的溶体在气压的作用下,快速分散在各模具腔中,防止制造的产品出现溶接线,提高产品的合格率。(The invention discloses a full-automatic pressure maintaining machine, which structurally comprises a forming die, a liquid separating joint, a pressure maintaining injection device, a hot melt material guide seat and a storage hopper, and has the following effects: the material device is annotated by the material pipe to the pressurize, annotate the material mechanism, air pump and motor and pressurize mechanism constitute, it cooperatees to annotate material mechanism and pressurize mechanism, can utilize the gas injection pipe that the front end was equipped with to the inside gas of carrying certain pressure of forming die when making the screw rod carry the solution forward, make the inside certain invariable atmospheric pressure that lasts of forming die, make the solution of pouring into under the effect of atmospheric pressure, the fast dispersion is in each mould chamber, prevent that the product of making from appearing dissolving the line, the qualification rate of product is improved.)

1. The utility model provides a full-automatic pressure maintaining machine, its structure includes forming die (1), divides liquid joint (2), pressurize and annotates material device (3), thermosol conducting material seat (4), storage hopper (5), its characterized in that:

the pressurize annotate the material device (3) left and right sides and be equipped with hot melt conducting seat (4), hot melt conducting seat (4) top be equipped with storage hopper (5), pressurize annotate material device (3) front end and be equipped with and divide liquid joint (2), divide liquid joint (2) front end to be equipped with forming die (1), pressurize annotate material device (3) and connect with forming die (1) through dividing liquid joint (2).

2. The full-automatic pressure maintaining machine according to claim 1, characterized in that: the pressure maintaining and material injecting device (3) is composed of a material pipe (31), a material injecting mechanism (32), an air pump (33), a motor (34) and a pressure maintaining mechanism (35), wherein the material pipe (31) is internally provided with the material injecting mechanism (32), the rear end of the material injecting mechanism (32) is provided with the pressure maintaining mechanism (35), the rear end of the material pipe (31) is provided with the motor (34), and the two sides of the material pipe (31) are provided with the air pump (33).

3. The full-automatic pressure maintaining machine according to claim 2, characterized in that: annotate material mechanism (32) constitute by gas injection pipe (32 a), check valve board (32 b), guide block (32 c), screw rod (32 d), air duct (32 e), heat dissipation unable adjustment base (32 f), screw rod (32 d) inside be equipped with gas injection pipe (32 a), screw rod (32 d) front end be equipped with guide block (32 c), guide block (32 c) front end be equipped with check valve board (32 b), screw rod (32 d) rear end be equipped with heat dissipation unable adjustment base (32 f), heat dissipation unable adjustment base (32 f) on be equipped with air duct (32 e).

4. The full-automatic pressure maintaining machine according to claim 3, characterized in that: check valve board (32 b) by left connecting strip (32 b 1), left baffle (32 b 2), left spacing groove (32 b 3), right connecting strip (32 b 4), right baffle (32 b 5), right spacing groove (32 b 6) constitute, left baffle (32 b 2) front end be equipped with left connecting strip (32 b 1), left baffle (32 b 2) front end arrange left spacing groove (32 b 3), right baffle (32 b 5) front end be equipped with right connecting strip (32 b 4), right baffle (32 b 5) front end arrange right spacing groove (32 b 6).

5. The full-automatic pressure maintaining machine according to claim 4, characterized in that: the pressure maintaining mechanism (35) is composed of a rotating shaft (35 a), a pipe sleeve (35 b) and an exhaust pipe (35 c), the rotating shaft (35 a) is arranged inside the pipe sleeve (35 b), and the exhaust pipe (35 c) is arranged on two sides of the rotating shaft (35 a).

6. The full-automatic pressure maintaining machine according to claim 4, characterized in that: the diameter of the circumference of the circular structure formed by the combination of the left baffle (32 b 2) and the right baffle (32 b 5) is equal to the diameter of the circumference formed by the inner ring of the material pipe (31).

Technical Field

The invention relates to the field of pressure maintaining equipment, in particular to a full-automatic pressure maintaining machine.

Background

The pressure maintaining in the injection molding machine has the functions that when the injection molding machine is melted, cooled/solidified and shrunk, a pressure is maintained, the injection melting is continued to fill the shrinking space, the generation of dents is reduced or avoided, the set pressure of a pressure maintaining section cannot exceed the set pressure of an extrusion section, otherwise burrs are possibly generated in the pressure maintaining section, the multi-section pressure maintaining pressure is reduced in each section, the ideal reduction is linear gradual reduction and non-step reduction to match the actual requirement of gradual shrinkage, because the shrinkage is slow, a screw rod is required to continuously and slowly move forward, so that the melt in a material pipe is continuously injected into a cavity to supplement the requirement of product shrinkage, the process is called pressure maintaining, the advancing speed of the screw rod is only kept at about 2 percent by the existing screw rod pressure maintaining method, the material pipe is slowly discharged, and for some easily solidified melt lines are easy to appear on manufactured products, therefore, the qualification rate of products is influenced, a novel full-automatic pressure maintaining machine needs to be developed, and the problem that the qualification rate of the products is influenced due to the fact that the advancing speed of a screw is only kept about 2% by the existing screw pressure maintaining method, the discharging speed of a material pipe is slow, and for some solutions which are easy to solidify, the produced products are easy to have melting lines is solved.

Summary of the invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the utility model provides a full-automatic guarantor's machine, its structure includes forming die, divides liquid joint, pressurize and annotates material device, thermosol guide seat, storage hopper, the pressurize annotate the material device left and right sides be equipped with thermosol guide seat and be the axial symmetry structure, thermosol guide seat and pressurize annotate the material device and connect, thermosol guide seat top be equipped with the storage hopper, storage hopper and thermosol guide seat connect, the pressurize annotate the material device front end and be equipped with and divide the liquid joint, divide liquid joint front end and be equipped with forming die, the pressurize annotate the material device and connect with forming die through dividing the liquid.

As a further optimization of the technical scheme, the pressure-maintaining material injection device comprises a material pipe, a material injection mechanism, an air pump, a motor and a pressure-maintaining mechanism, the material injection mechanism is arranged at the center of the interior of the material pipe and matched with the material pipe, the pressure-maintaining mechanism is arranged at the rear end of the material injection mechanism, the material injection mechanism and the pressure-maintaining mechanism are matched, the motor is arranged at the rear end of the material pipe, the air pumps are arranged on two sides of the material pipe, and the air pump is connected with the pressure-maintaining mechanism through a guide pipe.

As the further optimization of this technical scheme, notes material mechanism constitute by gas injection pipe, check valve board, guide block, screw rod, air duct, heat dissipation unable adjustment base, the inside gas injection pipe that is equipped with of screw rod, the screw rod front end be equipped with the guide block, the guide block lock fix on the screw rod, the guide block front end be equipped with the check valve board, the screw rod rear end be equipped with heat dissipation unable adjustment base, heat dissipation unable adjustment base and screw rod adopt interference fit, heat dissipation unable adjustment base on be equipped with the air duct, the air duct be connected with the gas injection pipe rear end.

As a further optimization of the technical scheme, the check valve plate is composed of a left connecting strip, a left baffle, a left limiting groove, a right connecting strip, a right baffle and a right limiting groove, the left baffle is provided with the left connecting strip at the front end, one end of the left connecting strip is fixed on the left baffle, the left baffle is provided with the left limiting groove at the front end, the left limiting groove and the left connecting strip are parallel to each other, the right baffle is provided with the right connecting strip at the front end, one end of the right connecting strip is fixed on the right baffle, the right baffle is provided with the right limiting groove at the front end, the right limiting groove and the right connecting strip are parallel to each other, the left baffle is connected with the right limiting groove in a sliding manner through the left connecting strip, and the right baffle is connected with the left limiting groove in a sliding manner through the right connecting strip.

As a further optimization of the technical scheme, the pressure maintaining mechanism comprises a rotating shaft, a pipe sleeve and an exhaust pipe, the rotating shaft is arranged at the center of the inner part of the pipe sleeve and is installed inside the pipe sleeve through a bearing, the front end of the rotating shaft is connected with a screw rod, the rear end of the rotating shaft is connected with a motor, the exhaust pipe is arranged on two sides of the rotating shaft, and the front end and the rear end of the exhaust pipe are respectively connected with the air guide pipe and the air pump.

As a further optimization of the technical scheme, the diameter of the circumference of the circular structure formed by the combination of the left baffle and the right baffle is equal to the diameter of the circumference formed by the inner ring of the material pipe.

Advantageous effects

The full-automatic pressure maintaining machine is reasonable in design and strong in functionality, and has the following beneficial effects:

the pressure-maintaining material injection device comprises a material pipe, a material injection mechanism, an air pump, a motor and a pressure-maintaining mechanism, wherein the material injection mechanism is matched with the pressure-maintaining mechanism, so that a screw rod can convey a solution forwards and simultaneously utilize an air injection pipe arranged at the front end to convey gas with certain pressure to the interior of a forming die, so that the interior of the forming die is continuously kept at certain constant air pressure, the injected solution is quickly dispersed in each die cavity under the action of the air pressure, the produced product is prevented from generating melting lines, and the qualification rate of the product is improved;

the central position of the screw rod is provided with the gas injection pipe, the front end of the gas injection pipe extends out of the screw rod and is connected with the forming die, the gas injection pipe is arranged in the screw rod through a bearing and cannot rotate along with the lead of the rotation of the screw rod in the rotation of the screw rod, and the gas injection pipe is connected with the gas pump through the gas guide pipe and the gas exhaust pipe, so that the gas with certain pressure can be conveyed into the forming die by using the gas injection pipe arranged at the front end while the screw rod conveys the molten body forwards, and the speed of the molten body flowing through the forming die is improved;

according to the invention, the screw generates driving torque through the motor, the melt in the material pipe is conveyed forwards when the screw rotates forwards, because the front end of the screw is provided with the guide block, the front end of the guide block is provided with the one-way valve plate, the diameter of the guide block is smaller than that of the inner ring of the material pipe, the melt continuously flows into the front end of the one-way valve plate under the guiding action of the guide block, because the left baffle and the right baffle are of an integral structure, the diameter of the flat spread one is equal to that of the inner ring of the material pipe, the left baffle and the right baffle can deform under the action of forward thrust, so that the melt flows to the front of the baffles along the inclined angles of the baffles, because the diameters of the left baffle and the right baffle are larger than that of the guide block, and the guide block exists as the rear end, the left baffle and the right baffle can only realize;

according to the invention, the left baffle is connected with the right limiting groove in a sliding manner through the left connecting strip, the right baffle is connected with the left limiting groove in a sliding manner through the right connecting strip, the left connecting strip and the right connecting strip are in arc structures, the left baffle and the right baffle slide along the limiting groove through the connecting strips under the action of forward thrust of a solution, the baffles tilt forwards to form a notch with the material pipe, the solution flows into the front end of the one-way valve plate through the notch, and the left baffle and the right baffle can only realize one-way movement because the rear ends of the left baffle and the right baffle are limited through the guide blocks.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic top view of a fully automatic pressing machine according to the present invention;

FIG. 2 is a schematic view of a front cross-sectional structure of the pressure maintaining and injecting device of the present invention;

FIG. 3 is a schematic structural view of the material injection mechanism in front view;

FIG. 4 is a front view of the check valve plate of the present invention;

fig. 5 is a schematic front sectional view of the pressure maintaining mechanism of the present invention.

In the figure: the device comprises a forming die-1, a liquid separating joint-2, a pressure maintaining and material injecting device-3, a material pipe-31, a material injecting mechanism-32, a gas injection pipe-32 a, a one-way valve plate-32 b, a left connecting strip-32 b1, a left baffle-32 b2, a left limiting groove-32 b3, a right connecting strip-32 b4, a right baffle-32 b5, a right limiting groove-32 b6, a guide block-32 c, a screw rod-32 d, a gas guide tube-32 e, a heat dissipation fixing base-32 f, a gas pump-33, a motor-34, a pressure maintaining mechanism-35, a rotating shaft-35 a, a pipe sleeve-35 b, a gas exhaust pipe-35 c, a hot melt material guide seat-4 and a material storage hopper-5.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.