CN216506568U - Quick ejection of compact type plastic mould - Google Patents

Abstract

The utility model discloses a quick discharging type plastic mold, which comprises a base fixing plate, wherein the base fixing plate is connected with the plastic mold through a lower locking stud, the plastic mold comprises a top template, a runner plate, a movable template, a fixed template, an assembling plate and a bottom plate which are arranged from top to bottom, a demolding mechanism is arranged in the assembling plate, an injection molding cavity is formed between the movable template and the fixed template, the demolding mechanism is positioned at the bottom of the injection molding cavity, a valve is opened to enable an air pump and an air blowing pipe to be communicated with a first mold cavity, a second mold cavity, a third mold cavity and a fourth mold cavity, the air pump is started, workpieces in the first mold cavity, the second mold cavity, the third mold cavity and the fourth mold cavity are blown from the cavity wall through the air blowing pipe, so that the demolding of operators is convenient, the rapid demolding is realized, the workpieces are separated from the cavity wall in an air blowing mode without being pulled by hands, the damage of the workpiece is avoided, and the defective rate is greatly reduced.

Description

Quick ejection of compact type plastic mould

Technical Field

The utility model relates to the field of molds, in particular to a quick discharging type plastic mold.

Background

At present, most of workpieces in a plurality of injection molds are demolded after injection molding, and due to the fact that the workpieces are adhered to a cavity wall mutually, workers need to pull out the workpieces manually in the process, the workpieces are easy to damage, the defective rate is greatly increased, and the production efficiency is low, so that a rapid discharging type plastic mold needs to be provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a quick discharging type plastic mold to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a quick ejection of compact type plastic mould, includes the frame fixed plate, the frame fixed plate on be connected with the plastic mould through locking double-screw bolt down, the plastic mould include top template, runner plate, movable mould board, fixed die plate, assembly plate and the bottom plate that top-down set up, the assembly plate in be provided with demoulding mechanism, movable mould board and fixed die plate between form the die cavity of moulding plastics, demoulding mechanism be located the die cavity bottom of moulding plastics.

As a further technical scheme of the utility model, the injection molding cavity comprises a first mold cavity, a second mold cavity, a third mold cavity and a fourth mold cavity which are arranged at equal intervals, and the demolding mechanism comprises a valve communicated with the first mold cavity, the second mold cavity, the third mold cavity and the fourth mold cavity respectively, an air blow pipe communicated with the valve and an air pump connected with the air blow pipe.

As a further technical scheme of the utility model, the top template is provided with a material injection cover, the material injection cover is communicated with a material injection nozzle, a four-way valve communicated with the material injection nozzle is arranged in the runner plate, and the four-way valve is communicated with a first shunt pipe and a second shunt pipe.

As a further technical scheme of the utility model, two ends of the first shunt pipe are respectively communicated with the first die cavity and the fourth die cavity through a first blanking pipe, and two ends of the second shunt pipe are respectively communicated with the second die cavity and the third die cavity through a second blanking pipe.

As a further technical scheme, clamping plates are arranged on two sides of the plastic mold, a first assembling groove is formed in the bottom of the base fixing plate, a first screw head used for being assembled into the first assembling groove is arranged at the head end of the lower locking stud, and the lower locking stud penetrates through the bottom plate and penetrates into the clamping plates.

As a further technical solution of the present invention, a second assembly groove is provided on the top side of the top die plate, an upper locking stud is installed in the second assembly groove, the upper locking stud penetrates the runner plate, the movable die plate, the fixed die plate and the assembly plate, and a second screw head installed in a mating manner with the second assembly groove is provided at the head end of the upper locking stud.

The utility model has the beneficial effects that: four-way valve structure through the inside setting of this mould realizes 4 die cavities and moulds plastics and demolding simultaneously, production efficiency has been promoted greatly, after having moulded plastics, static a period waits to mould plastics after cooling off the shaping slightly (avoiding annotating the material and flowing into the gas blow pipe), open the valve, make the air pump, gas blow pipe and first die cavity, the second die cavity, third die cavity and fourth die cavity are linked together, start the air pump, through the gas blow pipe first die cavity, the second die cavity, the work piece in third die cavity and the fourth die cavity blows from the type chamber wall, make things convenient for the operating personnel drawing of patterns, thereby realize swift drawing of patterns, the mode that utilizes to blow makes the work piece take off from the type chamber wall, need not the staff and pull, avoid the work piece to damage, accomplished the defective percentage and greatly reduced.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Wherein: the device comprises a base fixing plate 1, a top template 2, a runner plate 3, a movable template 4, a fixed template 5, an assembling plate 6, a bottom plate 7, a first assembling groove 8, a first screw head 9, a lower locking stud 10, a second assembling groove 11, a second screw head 12, an upper locking stud 13, a clamping plate 14, an injection cover 15, an injection nozzle 16, a four-way valve 17, a first shunt pipe 18, a second shunt pipe 19, a first discharging pipe 20, a second discharging pipe 21, a first die cavity 22, a second die cavity 23, a third die cavity 24, a fourth die cavity 25, an air blowing pipe 26 and an air pump 27.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings and preferred embodiments.

Referring to fig. 1, a fast discharging plastic mold includes a base fixing plate 1, the base fixing plate 1 is connected to a plastic mold through a lower locking stud 10, the plastic mold includes a top mold plate 2, a runner plate 3, a movable mold plate 4, a fixed mold plate 5, an assembling plate 6 and a bottom plate 7, the assembling plate 6 is provided with a demolding mechanism, an injection mold cavity is formed between the movable mold plate 4 and the fixed mold plate 5, the demolding mechanism is located at the bottom of the injection mold cavity, the injection mold cavity includes a first mold cavity 22, a second mold cavity 23, a third mold cavity 24 and a fourth mold cavity 25, the demolding mechanism includes valves respectively communicated with the first mold cavity 22, the second mold cavity 23, the third mold cavity 24 and the fourth mold cavity 25, a gas blowing pipe 26 communicated with the valves, and an air pump 27 connected with the gas blowing pipe 26, the top template 2 is provided with an injection cover 15, the injection cover 15 is communicated with an injection nozzle 16, the flow passage plate 3 is internally provided with a four-way valve 17 communicated with the injection nozzle 16, the four-way valve 17 is communicated with a first shunt pipe 18 and a second shunt pipe 19, two ends of the first shunt pipe 18 are respectively communicated with the first die cavity 22 and the fourth die cavity 25 through a first discharging pipe 20, two ends of the second shunt pipe 19 are respectively communicated with the second die cavity 23 and the third die cavity 24 through a second discharging pipe 21, the four-way valve structure arranged in the die realizes 4-die-cavity simultaneous injection and ejection, the production efficiency is greatly improved, after injection molding is finished, after the injection molding material is cooled and molded for a certain time (the injection material is prevented from flowing into the air blowing pipe 26), the valve is opened, so that the air pump 27, the air blowing pipe 26 and the first die cavity 22, Second die cavity 23, third die cavity 24 and fourth die cavity 25 are linked together, start air pump 27, blow from the type chamber wall through the work piece of gas blow pipe 26 in first die cavity 22, second die cavity 23, third die cavity 24 and the fourth die cavity 25, make things convenient for operating personnel's drawing of patterns to realize swift drawing of patterns, the mode that utilizes to blow makes the work piece take off from the type chamber wall, need not the staff and pulls, avoids the work piece to damage, has accomplished the defective percentage greatly reduced.

Further, plastic mould both sides be provided with grip block 14, frame fixed plate 1 bottom be provided with first assembly groove 8, lower lock stud 10 head end be provided with and be used for the assembly income first assembly groove 8 in first spiral shell head 9, lower lock stud 10 wear to establish bottom plate 7 and go deep into grip block 14 in, make the mould be connected with frame fixed plate 1 and fixed through the setting of lower lock stud 10, avoid mould offset or rock, improve mould stability.

Furthermore, the top side of the top template 2 is provided with a second assembling groove 11, an upper locking stud 13 is installed in the second assembling groove 11, the upper locking stud 13 is worn on the runner plate 3, the movable template 4, the fixed template 5 and the assembling plate 6, the head end of the upper locking stud 13 is provided with a second screw head 12 which is installed in a matched mode with the second assembling groove 11, the whole mold is firmer through the arranged upper locking stud 13, the gap is smaller, the injection molding quality is provided, and in addition, when the mold is opened, only the upper locking stud 13 needs to be taken out from the top template 2, and the mold is convenient and fast.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a quick ejection of compact type plastic mould, includes frame fixed plate (1), its characterized in that, frame fixed plate (1) on be connected with the plastic mould through locking double-screw bolt (10) down, the plastic mould include top template (2), runner plate (3), movable mould board (4), fixed die plate (5), assembly plate (6) and bottom plate (7) that top-down set up, assembly plate (6) in be provided with demoulding mechanism, movable mould board (4) and fixed die plate (5) between form the die cavity of moulding plastics, demoulding mechanism be located the die cavity bottom of moulding plastics.

2. The plastic mold with the quick discharging function as claimed in claim 1, wherein the injection mold cavity comprises a first mold cavity (22), a second mold cavity (23), a third mold cavity (24) and a fourth mold cavity (25) which are arranged at equal intervals, the demolding mechanism comprises a valve communicated with the first mold cavity (22), the second mold cavity (23), the third mold cavity (24) and the fourth mold cavity (25), a blow pipe (26) communicated with the valve, and an air pump (27) connected with the blow pipe (26).

3. The plastic mold with the quick discharging function according to claim 2, wherein the top mold plate (2) is provided with a material injection cover (15), the material injection cover (15) is communicated with a material injection nozzle (16), a four-way valve (17) communicated with the material injection nozzle (16) is arranged in the runner plate (3), and the four-way valve (17) is communicated with a first shunt pipe (18) and a second shunt pipe (19).

4. The plastic mold with the function of fast discharging according to claim 3, wherein both ends of the first shunt tube (18) are respectively communicated with the first mold cavity (22) and the fourth mold cavity (25) through a first discharging tube (20), and both ends of the second shunt tube (19) are respectively communicated with the second mold cavity (23) and the third mold cavity (24) through a second discharging tube (21).

5. The plastic mold of claim 1, wherein clamping plates (14) are arranged on two sides of the plastic mold, a first assembling groove (8) is formed in the bottom of the base fixing plate (1), a first screw head (9) used for being assembled into the first assembling groove (8) is arranged at the head end of the lower locking stud (10), and the lower locking stud (10) penetrates through the bottom plate (7) and penetrates into the clamping plates (14).

6. The plastic mold with the quick discharging function according to claim 1, wherein a second assembling groove (11) is formed in the top side of the top mold plate (2), an upper locking stud (13) is installed in the second assembling groove (11), the upper locking stud (13) wears the runner plate (3), the movable mold plate (4), the fixed mold plate (5) and the assembling plate (6), and a second screw head (12) which is installed in a matched mode with the second assembling groove (11) is arranged at the head end of the upper locking stud (13).

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