CN212707776U

CN212707776U - Cooling mold for injection molding of plastic accessories

Info

Publication number: CN212707776U
Application number: CN202021235996.1U
Authority: CN
Inventors: 廖坤忠; 廖坤毅; 廖龙; 郭惠莲
Original assignee: Guangzhou Shengkun Plastic Products Co ltd
Current assignee: Guangzhou Shengkun Plastic Products Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-03-16
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a cooling mould for plastic accessory injection molding, which comprises a lower mould, wherein a guide groove is arranged at the inner side edge of the lower mould, a guide rod is arranged at the inner side of the guide groove, an upper mould is arranged on the guide rod, a molding mould cavity is arranged on the upper surface of the lower mould, an injection molding opening is arranged on the lower surface of the inner side of the molding mould cavity, a cooling cavity is arranged at the inner side of the lower mould corresponding to the circumferential direction of the molding mould cavity, and a radiating fin is fixed on the inner surface of the cooling cavity; through being provided with cooling chamber, water inlet, outlet pipe, gas vent and radiating fin, be convenient for avoid not good to the inboard bottom cooling effect of shaping die cavity, lead to the cooling shaping of moulding plastics slow, be convenient for carry out even cooling to the shaping die cavity, through being provided with recess, chip groove and rubber buffer, be convenient for avoid not being convenient for discharge friction piece, lead to the piece to exist between guide bar and the guide way for a long time, wearing and tearing with higher speed.

Description

Cooling mold for injection molding of plastic accessories

Technical Field

The utility model belongs to the technical field of the cooling mold, concretely relates to cooling mold that plastics accessory was moulded plastics.

Background

Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can be divided into injection molding and die casting, and the injection molding is also called injection molding, which is a molding method combining injection molding and die casting. The injection molding method has the advantages of high production speed, high efficiency and automation in operation, is suitable for the fields of mass production, complex-shaped products and the like, and is convenient for batch production of plastic accessories.

The cooling mold that current plastic accessory was moulded plastics is in the use, because the heat dispels the heat through shaping die cavity upper shed, the heat that leads to shaping die cavity lower extreme is more, die cavity lower extreme cooling effect is less than the die cavity upper end, be not convenient for fine carry out cooling to shaping die cavity lower extreme according to heat distribution, in addition to the mould direction in-process, the friction piece exists between guide bar and guide way for a long time, be not convenient for discharge, can aggravate wearing and tearing, influence the life of device, we provide a cooling mold that plastic accessory was moulded plastics for this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cooling mold that plastics of plastic accessories was moulded plastics, in order to solve the cooling mold who proposes current plastics accessories and mould plastics in the above-mentioned background art in the use, because the heat dispels the heat through shaping die cavity upper shed, the heat that leads to shaping die cavity lower extreme is more, die cavity lower extreme cooling effect is less than the die cavity upper end, be not convenient for fine carry out cooling to shaping die cavity lower extreme according to heat distribution, in addition to the mould direction in-process, the friction piece exists between guide bar and guide way for a long time, be not convenient for discharge, can aggravate wearing and tearing, influence the life's of device problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cooling mold that plastic accessories was moulded plastics, includes the bed die, the guide way has been seted up to the inboard edge of bed die, the guide way inboard is provided with the guide bar, be provided with the mould on the guide bar, the shaping die cavity has been seted up to the bed die upper surface, the mouth of moulding plastics has been seted up to the inboard lower surface in shaping die cavity, the cooling chamber has been seted up corresponding to shaping die cavity circumference to the bed die inboard, cooling intracavity fixed surface has radiating fin, the water inlet has been seted up to bed die lower surface one end, the bed die lower surface other end is provided with the outlet pipe, the outlet pipe carries out inside intercommunication through the cooling chamber with the water inlet, a bed die side surface is provided with the gas vent, the gas vent passes through pipe and the inside intercommunication.

Preferably, chip removal mechanism includes recess, chip groove and rubber buffer, the guide way inside wall is seted up flutedly, the chip groove has been seted up to the inboard lower surface of guide way, the chip groove runs through the bed die lower surface, the chip groove inboard is provided with the rubber buffer.

Preferably, the rubber buffer cross section is "T" style of calligraphy, the rubber buffer surface is provided with protruding strip.

Preferably, an oil filling port is formed in the surface of one side of the lower die and communicated with the inner side of the groove.

Preferably, the cross section of the cooling cavity is a right trapezoid, and a plurality of radiating fins are equidistantly arranged along the height direction of the cooling cavity.

Preferably, the inner side of each radiating fin is provided with a through hole, and the length of the radiating fin at the lowermost end of the inner side of the cooling cavity is three times to five times that of the radiating fin at the uppermost end.

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

(1) through being provided with cooling chamber, water inlet, outlet pipe, gas vent and radiating fin, be convenient for avoid not good to the inboard bottom cooling effect of shaping die cavity, lead to the cooling shaping of moulding plastics slow, be convenient for carry out even cooling, increase device's result of use to the shaping die cavity.

(2) Through being provided with recess, chip groove and rubber buffer, be convenient for avoid not being convenient for discharge to the friction piece, lead to the piece to exist for a long time between guide bar and the guide way, wearing and tearing with higher speed are convenient for reduce wearing and tearing, increase device's practicality.

Drawings

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

fig. 2 is a schematic cross-sectional view at a in fig. 1 according to the present invention;

FIG. 3 is a schematic structural view of the raised strip of the present invention;

in the figure: 1. a lower die; 2. a cooling chamber; 3. an exhaust port; 4. an upper die; 5. a guide bar; 6. an oil filling port; 7. a groove; 8. a guide groove; 9. a chip groove; 10. a rubber plug; 11. a water outlet pipe; 12. an injection molding port; 13. molding a mold cavity; 14. a water inlet; 15. a heat dissipating fin; 16. and (4) protruding strips.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a cooling mould for plastic accessory injection comprises a lower mould 1, a guide groove 8 is arranged at the edge of the inner side of the lower mould 1, a guide rod 5 is arranged at the inner side of the guide groove 8, an upper mould 4 is arranged on the guide rod 5, a forming mould cavity 13 is arranged on the upper surface of the lower mould 1, an injection molding port 12 is arranged on the lower surface of the inner side of the forming mould cavity 13, a cooling cavity 2 is arranged at the inner side of the lower mould 1 corresponding to the circumference of the forming mould cavity 13, so that the forming mould cavity 13 can be cooled and radiated, a radiating fin 15 is fixed on the inner surface of the cooling cavity 2, so that a better heat exchange area is facilitated, a water inlet 14 is arranged at one end of the lower surface of the lower mould 1, a water outlet pipe 11 is arranged at the other end of the lower mould 1, the water outlet pipe 11 is communicated with the water inlet 14, the hot air is convenient to discharge, and the inner side of the guide groove 8 is provided with a chip removal mechanism.

In this embodiment, preferred, chip removal mechanism includes recess 7, chip groove 9 and rubber buffer 10, and recess 7 has been seted up to 8 inside walls of guide way, and chip groove 9 has been seted up to 8 inboard lower surfaces of guide way, and chip groove 9 runs through lower mould 1 lower surface, and chip groove 9 inboard is provided with rubber buffer 10, is convenient for better discharge friction piece.

In this embodiment, preferably, the cross section of the rubber stopper 10 is "T" shaped, and the outer surface of the rubber stopper 10 is provided with a protruding strip 16, which is convenient for installing the rubber stopper 10 by interference fit.

In this embodiment, preferably, an oil filling port 6 is formed in a surface of one side of the lower mold 1, and the oil filling port 6 is communicated with the inner side of the groove 7, so as to lubricate the inner side of the guide groove 8.

In this embodiment, preferably, the cross section of the cooling cavity 2 is a right trapezoid, and the plurality of heat dissipation fins 15 are equidistantly arranged along the height direction of the cooling cavity 2, so as to better cool the lower end of the molding cavity 13.

In this embodiment, preferably, the inner side of the heat dissipating fins 15 is provided with through holes, and the length of the heat dissipating fins 15 at the lowest end inside the cooling cavity 2 is three times to five times that of the heat dissipating fins 15 at the highest end, so as to better cool the lower end of the molding cavity 13.

The utility model discloses a theory of operation and use flow: when the cooling device is used, the water inlet 14 is externally connected with a cold water pipe, cold water flows into the inner side of the cooling cavity 2 through the water inlet 14 and finally flows out of the water outlet pipe 11, the cross section of the cooling cavity 2 is in a right trapezoid shape, so that a better cooling effect is facilitated for the lower end of the inner side of the molding cavity 13, meanwhile, the inner side of the cooling cavity 2 is provided with the radiating fins 15, so that the heat exchange area is facilitated, the cooling efficiency is improved, hot air in the inner side of the cooling cavity 2 is conveniently discharged through the air outlet 3, the space occupied by the hot air is reduced, the contact effect of the cold water and the lower die 1 is influenced, friction debris between the guide rod 5 and the guide groove 8 is conveniently stored through the groove 7 and the chip discharge groove 9, accelerated wear caused by the continuous existence of the debris between the guide rod 5 and the guide groove 8 is reduced, after the rubber plug 10 can be pulled to be separated from the inner side of, wear between the guide bar 5 and the guide groove 8 is facilitated to be reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. The utility model provides a cooling mold that plastic accessories was moulded plastics, includes lower mould (1), guide way (8) have been seted up to the inboard edge of lower mould (1), guide way (8) inboard is provided with guide bar (5), be provided with on guide bar (5) mould (4), shaping die cavity (13) have been seted up to lower mould (1) upper surface, mouth (12), its characterized in that of moulding plastics have been seted up to shaping die cavity (13) inboard lower surface: cooling chamber (2) have been seted up corresponding to shaping die cavity (13) circumference to lower mould (1) inboard, cooling chamber (2) internal surface fixed has radiating fin (15), water inlet (14) have been seted up to lower mould (1) lower surface one end, the lower mould (1) lower surface other end is provided with outlet pipe (11), inside intercommunication is carried out through cooling chamber (2) with water inlet (14) outlet pipe (11), lower mould (1) side surface is provided with gas vent (3), gas vent (3) are through pipe and cooling chamber (2) inside intercommunication, there is the chip removal mechanism on guide way (8) inboard.

2. A cooling mold for injection molding of plastic parts according to claim 1, wherein: chip removal mechanism includes recess (7), chip groove (9) and rubber buffer (10), recess (7) have been seted up to guide way (8) inside wall, chip groove (9) have been seted up to guide way (8) inboard lower surface, chip groove (9) run through bed die (1) lower surface, chip groove (9) inboard is provided with rubber buffer (10).

3. A cooling mold for injection molding of plastic parts according to claim 2, wherein: the cross section of the rubber plug (10) is T-shaped, and the outer surface of the rubber plug (10) is provided with a convex strip (16).

4. A cooling mold for injection molding of plastic parts according to claim 2, wherein: an oil filling port (6) is formed in the surface of one side of the lower die (1), and the oil filling port (6) is communicated with the inner side of the groove (7).

5. A cooling mold for injection molding of plastic parts according to claim 1, wherein: the cross section of the cooling cavity (2) is in a right trapezoid shape, and a plurality of radiating fins (15) are arranged at equal intervals along the height direction of the cooling cavity (2).

6. A cooling mold for injection molding of plastic parts according to claim 5, wherein: through holes are formed in the inner sides of the radiating fins (15), and the length of the radiating fin (15) at the lowest end of the inner side of the cooling cavity (2) is three times to five times that of the radiating fin (15) at the highest end.