CN212498622U

CN212498622U - Composite compression mould

Info

Publication number: CN212498622U
Application number: CN202021192493.0U
Authority: CN
Inventors: 林平
Original assignee: Ruian Huachang Hardware Products Co ltd
Current assignee: Ruian Huachang Hardware Products Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-02-09
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a composite compression mould, which relates to the field of compression moulds and comprises a lower die holder and an upper die holder, wherein a lower module is fixedly arranged on the top side of the lower die holder, a mould cavity is arranged on the top side of the lower module, a heating cavity is arranged on the bottom side of the lower die holder, a mixed air inlet pipe is fixedly connected on the inner wall of one side of the heating cavity, a water storage tank is fixedly arranged in the heating cavity, an automatic exhaust valve is arranged in the water storage tank, when thin materials and soft materials are shaped on a workpiece, the interior of the water storage tank is pressurized through a micro inflator pump, the automatic exhaust valve can inflate the mould cavity arranged on the top side of the lower module through an air pipe, so as to complete stripping, the production efficiency can be effectively improved, automatic production is realized, after the heating cavity is uniformly heated, the lower module can be uniformly, can effectively play the roles of saving the cost and improving the field production environment.

Description

Composite compression mould

Technical Field

The utility model relates to a compression mould field, in particular to compound compression mould.

Background

Compression molding, also known as compression molding, etc., is a process in which powdery or loose granular solid plastics are directly added into a mold, gradually softened and melted by heating and pressurizing, then molded according to the shape of the mold cavity, and solidified into a plastic part, mainly used for molding thermosetting plastics, and also used for thermoplastic plastics, wherein the composite compression mold integrates the advantages of a plastic injection molding process and a plastic compression molding process.

However, in the prior art, the composite compression mold is heated by adopting independent heating equipment except the mold, and the condition that a workpiece is attached to a module is often generated when the mold is taken off, so that in the production process, when the mold encounters thin materials and soft materials, the effect is poor due to the limiting reason, the production efficiency is low, the labor intensity is increased, and the automatic production is not easy to realize.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound compression mould to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a composite compression mold comprises a lower mold base and an upper mold base, wherein guide pillars are fixedly arranged at four end angle positions of the top side of the lower mold base, a lower mold block is fixedly arranged at the top side of the lower mold block, a plurality of punched holes are fixedly formed at the top side of the lower mold block, a mold cavity is formed at the top side of the lower mold block, a heating cavity is formed at the bottom side of the lower mold base, a mixed air inlet pipe is fixedly connected to the inner wall of one side of the heating cavity, a water storage tank is fixedly arranged inside the heating cavity, an automatic exhaust valve is arranged inside the water storage tank, guide sleeves are fixedly arranged at four end angle positions of the bottom side of the upper mold base, two limiting connecting plates are fixedly connected to the bottom side of the upper mold base, a base plate is arranged inside the two limiting connecting plates, two ejector rods are fixedly connected to, the bottom side fixedly connected with three ejector pin of roof, be equipped with the module under the roof, the bottom side fixed mounting of going up the module has a plurality of drifts.

Preferably, the heating interlayers are fixedly mounted on the outer sides of the heating cavities, and the top sides of the heating cavities are in contact with the bottom sides of the lower modules.

Preferably, the outer side of the water storage tank is fixedly provided with a heat insulation layer, one side of the water storage tank is fixedly provided with a miniature inflating pump, one end of the miniature inflating pump is connected with an air pipe, and one end of the air pipe extends into the water storage tank.

Preferably, one end of the valve rod of the automatic exhaust valve is fixedly connected with a buoy, a valve port of the automatic exhaust valve is fixedly provided with an air duct, and one end of the air duct extends into the lower module.

Preferably, the guide pillar and the guide sleeve are in corresponding positions.

Preferably, the top side of the upper module is fixedly arranged on the bottom sides of the two limiting connecting plates, the top side of the upper module is fixedly provided with a plurality of through holes, and the through holes correspond to the ejector rods in position.

Preferably, a plurality of grooves are formed in one side, close to each other, of the lower die holder and the upper die holder, threaded holes are formed in the inner wall of one side of each groove, fixing bolts are arranged on the threaded holes, and one ends of the fixing bolts penetrate through the threaded holes.

The utility model discloses a technological effect and advantage:

1. the utility model has reasonable structure, after the workpiece is processed, the ejector rod directly acts on the workpiece through the through holes on the top plate and the upper module, so that the workpiece can not be attached to the upper module for return stroke, when the thin material and the soft material are shaped on the workpiece, the interior of the water storage tank is pressurized through the miniature inflator pump, the automatic exhaust valve can inflate the die cavity arranged on the top side of the lower module through the air pipe, thereby the stripping can be completed, the productivity can be effectively improved, and the automatic production can be realized;

2. the utility model discloses it is rational in infrastructure, when the mould uses, after the heating chamber carries out the even heating, can carry out the thermally equivalent to the lower module to accomplish the effect of die cavity heating, thereby accomplish and pressurize inside the mould, can effectually play the effect of practicing thrift the cost and improving the on-the-spot production environment.

Drawings

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

FIG. 2 is a schematic view of the reverse mold structure of the present invention;

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

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a lower die holder; 2. a guide post; 3. a lower module; 4. punching; 5. a mold cavity; 6. a heating cavity; 7. heating the interlayer; 8. a mixed air inlet pipe; 9. a water storage tank; 10. a heat-insulating layer; 11. a micro inflator; 12. an automatic exhaust valve; 13. a float bowl; 14. an upper die holder; 15. a guide sleeve; 16. a base plate; 17. a top plate; 18. an upper module; 19. a punch; 20. a limiting connecting plate; 21. and a material ejecting rod.

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.

The utility model provides a composite compression mould as shown in figures 1-4, which comprises a lower die holder 1 and an upper die holder 14, wherein guide pillars 2 are fixedly arranged at four end angle positions of the top side of the lower die holder 1, a lower die block 3 is fixedly arranged at the top side of the lower die holder 1, a plurality of punched holes 4 are fixedly arranged at the top side of the lower die block 3, a die cavity 5 is arranged at the top side of the lower die block 3, a heating cavity 6 is arranged at the bottom side of the lower die holder 1, a mixed air inlet pipe 8 is fixedly connected on the inner wall of one side of the heating cavity 6, a water storage tank 9 is fixedly arranged inside the heating cavity 6, an automatic exhaust valve 12 is arranged inside the water storage tank 9, guide sleeves 15 are fixedly arranged at four end angle positions of the bottom side of the upper die holder 14, two limit connecting plates 20 are fixedly connected at the bottom side of the, be equipped with roof 17 under backing plate 16, two holes have been seted up to the top side of roof 17 and have been perforated, two holes are perforated through respectively to the one end of two ejector beam 21, the three ejector beam 21 of bottom side fixedly connected with of roof 17, be equipped with module 18 under roof 17, the bottom side fixed mounting who goes up module 18 has a plurality of drifts 19, setting through heating chamber 6, can carry out thermally equivalent to lower module 3, with the effect of accomplishing die cavity 5 heating, automatic exhaust valve 12, can aerify die cavity 5 that the trachea was equipped with to lower module 3 top side, and then can accomplish and take off the material.

Further, in the above scheme, the heating interlayers 7 are fixedly installed on the outer sides of the heating cavities 6, the top sides of the heating cavities 6 are in contact with the bottom side of the lower module 3, and the influence of the heating cavities 6 on the lower die holder 1 can be isolated through the arrangement of the heating interlayers 7.

Further, in the above scheme, the outer side of the water storage tank 9 is fixedly provided with the heat preservation layer 10, one side of the water storage tank 9 is fixedly provided with the micro inflator pump 11, one end of the micro inflator pump 11 is connected with the air pipe, one end of the air pipe extends into the water storage tank 9, and the water storage tank 9 can be pressurized through the arrangement of the micro inflator pump 11.

Further, in the above scheme, the one end fixedly connected with flotation pontoon 13 of the valve rod of automatic exhaust valve 12, the valve port fixed mounting of automatic exhaust valve 12 has the air duct, and the one end of air duct extends to in the lower module 3, through the setting of automatic exhaust valve 12, can aerify the die cavity 5 that the top side was equipped with to lower module 3 through the trachea, and then can accomplish and take off the material.

Further, in the above scheme, the positions of the guide post 2 and the guide sleeve 15 correspond to each other, and the positioning of the lower die holder 1 and the upper die holder 14 can be completed by the arrangement of the guide post 2 and the guide sleeve 15.

Furthermore, in the above scheme, the top side of the upper module 18 is fixedly mounted on the bottom sides of the two limiting connection plates 20, the top side of the upper module 18 is fixedly provided with a plurality of through holes, the through holes correspond to the positions of the ejector rods 21, and the ejector rods 21 penetrate through the upper module 18 to directly separate the workpiece through the arrangement of the through holes, so that the workpiece can be effectively prevented from returning along with the upper module 18.

Further, in the above scheme, a plurality of grooves are formed in one side of the lower die holder 1, which is close to the upper die holder 14, threaded holes are formed in the inner wall of one side of each groove, fixing bolts are arranged on the threaded holes, one ends of the fixing bolts penetrate through the threaded holes, and the positions of the lower die holder 1 and the upper die holder 14 can be fixed through the matching of the fixing bolts and the threaded holes.

This practical theory of operation:

when the die is used, after the heating cavity 6 is uniformly heated, the lower die block 3 can be uniformly heated to finish the heating effect of the die cavity 5, when the upper die block 18 is pressed downwards, the guide sleeve 15 on the upper die base 14 is matched with the guide post 2 on the lower die base 1 to carry out position positioning, the ejector rod 21 directly acts on a workpiece through the through hole formed in the ejector plate 17 and the upper die block 18, so that the workpiece cannot be attached to the upper die block 18 for return stroke, when thin materials and soft materials are shaped on the workpiece, the interior of the water storage tank 9 is pressurized through the miniature inflating pump 11, gas in water continuously escapes to the highest position due to temperature and pressure changes and gathers, when the gas pressure is greater than the system pressure, the float 13 moves upwards to drive the valve rod to move, the valve port is opened, and the automatic exhaust valve 12 can inflate the die cavity 5 arranged on the top side of the lower die block 3 through the, and then can accomplish the stripping, when the gas pressure is lower than the system pressure, the buoy 13 descends and makes the valve port close, thus the automatic exhaust valve 12 can carry out the cycle operation constantly reciprocating.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a compound compression mould, includes lower bolster (1) and upper die base (14), its characterized in that: guide posts (2) are fixedly arranged at four end angle positions of the top side of the lower die holder (1), a lower die block (3) is fixedly arranged at the top side of the lower die holder (1), a plurality of punched holes (4) are fixedly formed in the top side of the lower die block (3), a die cavity (5) is formed in the top side of the lower die block (3), a heating cavity (6) is formed in the bottom side of the lower die holder (1), a mixed air inlet pipe (8) is fixedly connected to the inner wall of one side of the heating cavity (6), a water storage tank (9) is fixedly arranged in the heating cavity (6), an automatic exhaust valve (12) is arranged in the water storage tank (9), guide sleeves (15) are fixedly arranged at four end angle positions of the bottom side of the upper die holder (14), two limit connecting plates (20) are fixedly connected to the bottom side of the upper die holder (14), a backing plate (16), be equipped with roof (17) under backing plate (16), two holes are seted up on the top side of roof (17) and are perforated, and two holes are perforated to the one end of two ejector beam (21) respectively, and the three ejector beam (21) of bottom side fixedly connected with of roof (17) are equipped with module (18) under roof (17), and the bottom side fixed mounting of last module (18) has a plurality of drifts (19).

2. A composite compression mold as defined in claim 1, wherein: the outer side of the heating cavity (6) is fixedly provided with a heating interlayer (7), and the top side of the heating cavity (6) is in contact with the bottom side of the lower module (3).

3. A composite compression mold as defined in claim 1, wherein: the outer side of the water storage tank (9) is fixedly provided with a heat insulation layer (10), one side of the water storage tank (9) is fixedly provided with a micro inflator pump (11), one end of the micro inflator pump (11) is connected with an air pipe, and one end of the air pipe extends into the water storage tank (9).

4. A composite compression mold as defined in claim 1, wherein: one end of a valve rod of the automatic exhaust valve (12) is fixedly connected with a buoy (13), a valve port of the automatic exhaust valve (12) is fixedly provided with an air duct, and one end of the air duct extends into the lower module (3).

5. A composite compression mold as defined in claim 1, wherein: the guide post (2) corresponds to the guide sleeve (15).

6. A composite compression mold as defined in claim 1, wherein: the top sides of the upper modules (18) are fixedly arranged on the bottom sides of the two limiting connecting plates (20), a plurality of through holes are fixedly formed in the top sides of the upper modules (18), and the through holes correspond to the ejector rods (21).

7. A composite compression mold as defined in claim 1, wherein: a plurality of grooves are formed in one side, close to each other, of the lower die holder (1) and the upper die holder (14), threaded holes are formed in the inner wall of one side of each groove, fixing bolts are arranged on the threaded holes, and one ends of the fixing bolts penetrate through the threaded holes.