CN218615173U

CN218615173U - Heat preservation mechanism and injection mold

Info

Publication number: CN218615173U
Application number: CN202222872695.5U
Authority: CN
Inventors: 何兵; 唐水兴; 胡升远
Original assignee: Suzhou Creator Precision Technology Co ltd
Current assignee: Suzhou Creator Precision Technology Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-14
Anticipated expiration: 2032-10-28

Abstract

The utility model relates to a medical mold field specifically is a heat preservation mechanism and injection mold, include: the insulation board is inserted into the sinking groove, and the sinking groove is formed in the upper surface of the fixed die; the heat resistance layer is fixedly arranged on the end surface of the movable mould, and the movable mould is arranged above the fixed mould; the heating resistance wire is arranged inside the counter bore, and the counter bore is formed in the end face of the movable die; the beneficial effects are that: merge movable mould and fixed mould, then fill through the inside of the hole of moulding plastics toward the bed die, the filling in-process, the heat that gives out will be absorbed by the heated board and store, and when movable mould and fixed mould merge, the heat resistance layer will seal the clearance between movable mould and the fixed mould, prevents that the heat from giving off, and the setting of heat resistance layer simultaneously can effectively protect the rubber packing ring, and the vacuum cavity sets up to vacuum state, reduces the heat and gives off.

Description

Heat preservation mechanism and injection mold

Technical Field

The utility model relates to a medical treatment mould field specifically is a heat preservation mechanism and injection mold.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used when parts with complex shapes are produced in batches, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification;

the conventional injection mold is easy to cause the temperature loss of injection molding materials and the energy waste in the injection molding process, even the phenomenon that the injection molding materials are condensed in a flow channel is caused, the injection molding effect is influenced, and finally the quality of a formed product is not up to the standard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat preservation mechanism and injection mold 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 heat retention mechanism, the heat retention mechanism comprising:

the insulation board is inserted into the sinking groove, and the sinking groove is formed in the upper surface of the fixed die;

the heat resistance layer is fixedly arranged on the end surface of the movable mould, and the movable mould is arranged above the fixed mould;

and the heating wire resistor is arranged inside the counter bore, and the counter bore is formed in the end face of the movable die.

Preferably, the upper surface of the fixed die is provided with four groups of lower dies which are uniformly and symmetrically distributed, the side edges of two sides of each group of lower dies are provided with sinking grooves, and the size of the sinking grooves is matched with that of the lower dies.

Preferably, every group all pegs graft in the inside of heavy groove and is provided with the heated board, the size of heated board and the inside size phase-match in heavy groove, and the fixed surface of fixed mould is provided with the guide bar, and the guide bar is provided with four groups, and four groups of guide bars distribute around the upper surface of fixed mould respectively, and the fixed mould keeps away from the one end terminal surface fixedly connected with fixing base of guide bar.

Preferably, the size of the movable die is matched with that of the fixed die, the side wall of one side, close to the fixed die, of the movable die is provided with guide grooves, the inner size of each guide groove is matched with that of each guide rod, the guide grooves are provided with four groups, the four groups of guide grooves correspond to the four groups of guide rods respectively, and the movable die is matched through the matching of the guide rods and the guide grooves.

Preferably, the lower end face of the movable die is fixedly provided with an upper die, the size of the upper die is matched with the inner size of the lower die, the upper die is provided with four groups, and the four groups of upper dies are matched with the four groups of lower dies in position.

Preferably, the outer side of the upper die is provided with a heat-resistant layer, the heat-resistant layer is fixedly arranged on the lower surface of the movable die, the heat-resistant layer is in a hollow rectangular shape, the cross section of the heat-resistant layer is in an arc-shaped structure, a rubber gasket is fixedly arranged inside the heat-resistant layer, and a vacuum cavity is arranged between the heat-resistant layer and the rubber gasket.

Preferably, the central point of movable mould puts and has seted up the injection hole, and the injection hole runs through the movable mould, and the counter bore has been seted up in the outside in injection hole, and the counter bore is seted up in the movable mould and is close to one side lateral wall of fixed mould, and the inside of counter bore is provided with the heating and hinders the silk, and the heating hinders the size of silk and the inside size phase-match of counter bore.

An injection mold comprises the heat preservation mechanism.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a heat preservation mechanism and injection mold merges movable mould and fixed mould, then carry out the filling through the inside of injection molding hole down the bed die, the filling in-process, the heat that gives out will be absorbed by the heated board and store, and when movable mould and fixed mould merge, the heat blocking layer will seal the clearance between movable mould and the fixed mould, prevent that the heat from giving off, the setting of heat blocking layer can effectively protect the rubber packing ring simultaneously, the vacuum cavity sets up to vacuum state, reduce the heat and give off.

Drawings

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

FIG. 2 is a schematic view of the connection between the movable mold and the upper mold structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a schematic view of the structural connection between the heat-resistant layer and the rubber gasket of the present invention.

In the figure: the device comprises a movable die 1, an injection molding hole 2, a fixed seat 3, a fixed die 4, a lower die 5, a guide rod 6, a heat insulation board 7, a sink groove 8, a heat resistance layer 9, a sink hole 10, a heating resistance wire 11, an upper die 12, a rubber gasket 13, a vacuum cavity 14 and a guide groove 15.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some, but not all, embodiments of the present invention and are not to be considered as limiting, and that all other embodiments can be made by one of ordinary skill in the art without any inventive work.

Example one

Referring to fig. 1-4, the present invention provides a technical solution: an insulating mechanism, the insulating mechanism comprising:

the insulation board 7 is inserted into the sinking groove 8, and the sinking groove 8 is formed in the upper surface of the fixed die 4; the heat resistance layer 9, the heat resistance layer 9 is fixedly arranged on the end surface of the movable mould 1, the movable mould 1 is arranged above the fixed mould 4; the heating wire resistance 11 is arranged inside the counter bore 10, and the counter bore 10 is formed in the end face of the movable die 1;

merge movable mould 1 and fixed mould 4, then fill through the inside of injection hole 2 toward bed die 5, the filling in-process, the heat that gives out will be absorbed by heated board 7 and store, and when movable mould 1 and fixed mould 4 merged, heat-resistant layer 9 will seal the clearance between movable mould 1 and the fixed mould 4, prevent that the heat from giving off.

Example two

On the basis of the first embodiment, in order to realize that the movable mold 1 and the injection hole 2 can be used for injection molding, the upper surface of the fixed mold 4 is provided with the lower mold 5, the lower mold 5 is provided with four groups, the four groups of lower molds 5 are uniformly and symmetrically distributed, the two side edges of each group of lower mold 5 are provided with the sinking grooves 8, the sizes of the sinking grooves 8 are matched with the sizes of the lower molds 5, the inner parts of the sinking grooves 8 are provided with the heat insulation plates 7 in an inserted mode, the sizes of the heat insulation plates 7 are matched with the inner sizes of the sinking grooves 8, the upper surface of the fixed mold 4 is fixedly provided with the guide rods 6, the guide rods 6 are provided with four groups, the four groups of guide rods 6 are respectively distributed around the upper surface of the fixed mold 4, the end face of the fixed mold 4 far away from the guide rods 6 is fixedly connected with the fixed seat 3, the sizes of the movable mold 1 are matched with the sizes of the fixed mold 4, the side wall of the movable mold 1 close to the fixed mold 4 is provided with the guide grooves 15, the inner sizes of the guide rods 15 are matched with the sizes of the guide rods 6, the upper mold 5, the lower mold 12 is provided with the lower mold 5 and the lower mold 12.

EXAMPLE III

On the basis of the second embodiment, in order to realize that the heat resistance layer 9 can sufficiently seal the gap between the movable die 1 and the fixed die 4, the heat resistance layer 9 is arranged on the outer side of the upper die 12, the heat resistance layer 9 is fixedly arranged on the lower surface of the movable die 1, the heat resistance layer 9 is in a hollow rectangular shape, the cross section of the heat resistance layer 9 is in an arc-shaped structure, the rubber gasket 13 is fixedly arranged inside the heat resistance layer 9, and the vacuum cavity 14 is arranged between the heat resistance layer 9 and the rubber gasket 13.

Example four

On the basis of the third embodiment, in order to realize that the injection molding liquid can not condense in the inside of injection molding hole 2, injection molding hole 2 has been seted up to the central point of movable mould 1, and injection molding hole 2 runs through movable mould 1, and the counter bore 10 has been seted up in the outside of injection molding hole 2, and counter bore 10 is seted up at one side lateral wall that movable mould 1 is close to fixed mould 4, and the inside of counter bore 10 is provided with the heating and hinders silk 11, and the heating hinders the inside size phase-match of silk 11 and counter bore 10.

When the injection mold is used, the movable mold 1 moves downwards, the four groups of guide rods 6 are inserted into the guide grooves 15 in a plugging mode, the movable mold 1 moves downwards along the guide rods 6, after the movable mold 1 and the fixed mold 4 are matched with each other, injection molding liquid is injected into the four groups of lower molds 5 through the injection molding holes 2, in the injection molding liquid injection process, the heating wire resistors 11 are started, the heating wire resistors 11 heat the injection molding holes 2 to prevent the injection molding liquid from being condensed and heat the injection molding liquid, after the injection molding liquid flows into the lower molds 5, the emitted heat is absorbed by the heat insulation plate 7, the absorbed heat can insulate the lower molds 5, meanwhile, the heat insulation layer 9 can prevent the heat from being emitted from gaps between the movable mold 1 and the fixed mold 4, meanwhile, the rubber gaskets 13 can be effectively protected due to the arrangement of the heat insulation layer 9, the vacuum cavity 14 is set to be in a vacuum state, and the heat emission is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A heat preservation mechanism which characterized in that: the heat preservation mechanism includes:

the insulation board (7) is inserted into the sinking groove (8), and the sinking groove (8) is formed in the upper surface of the fixed die (4);

the heat-resistant layer (9), the heat-resistant layer (9) is fixedly arranged on the end surface of the movable mould (1), and the movable mould (1) is arranged above the fixed mould (4);

the heating wire (11), the heating wire (11) sets up in the inside of counter bore (10), and counter bore (10) are seted up in the terminal surface of movable mould (1).

2. The heat-insulating mechanism according to claim 1, wherein: the upper surface of fixed mould (4) is provided with bed die (5), and bed die (5) are provided with four groups, four group's bed die (5) even symmetric distribution, and heavy groove (8) have all been seted up to the both sides side of every group bed die (5), and the size phase-match of the size of heavy groove (8) and bed die (5).

3. The heat-insulating mechanism according to claim 2, wherein: every group the inside of heavy groove (8) all pegs graft and is provided with heated board (7), the size of heated board (7) and the inside size phase-match of heavy groove (8), and the fixed surface of fixed mould (4) is provided with guide bar (6), and guide bar (6) are provided with four groups, and four groups of guide bar (6) distribute around the upper surface of fixed mould (4) respectively, and fixed mould (4) keep away from one end terminal surface fixedly connected with fixing base (3) of guide bar (6).

4. A heat retention mechanism as defined in claim 3, wherein: the size of movable mould (1) and the size phase-match of fixed mould (4), and guide way (15) have been seted up to one side lateral wall that movable mould (1) is close to fixed mould (4), the inside size of guide way (15) and the size phase-match of guide bar (6), and four groups have been seted up in guide way (15), and four groups of guide way (15) correspond four groups of guide bar (6) respectively, and movable mould (1) matches through the cooperation of guide bar (6) and guide way (15).

5. The warming mechanism according to claim 4, wherein: the lower end face of the movable die (1) is fixedly provided with an upper die (12), the size of the upper die (12) is matched with the inner size of the lower die (5), the upper die (12) is provided with four groups, and the four groups of upper dies (12) are matched with the four groups of lower dies (5) in position.

6. The warming mechanism according to claim 5, wherein: the outer side of the upper die (12) is provided with a heat resistance layer (9), the heat resistance layer (9) is fixedly arranged on the lower surface of the movable die (1), the heat resistance layer (9) is in a hollow rectangular shape, the cross section of the heat resistance layer (9) is in an arc-shaped structure, a rubber gasket (13) is fixedly arranged inside the heat resistance layer (9), and a vacuum cavity (14) is arranged between the heat resistance layer (9) and the rubber gasket (13).

7. The warming mechanism according to claim 6, wherein: the central point of movable mould (1) puts and has seted up injection hole (2), and injection hole (2) run through movable mould (1), and has seted up counter bore (10) in the outside of injection hole (2), and counter bore (10) are seted up and are close to one side lateral wall of fixed mould (4) in movable mould (1), and the inside of counter bore (10) is provided with the heating and hinders silk (11), and the heating hinders the inside size phase-match of the size of silk (11) and counter bore (10).

8. An injection mold, its characterized in that: comprising the heat retention means of any of the preceding claims 1-7.