CN214082588U - Long-life injection mold blank ejection device - Google Patents

Abstract

The utility model discloses a long-life injection mold embryo ejecting device, including base, mounting bracket, bed die, be used for carrying on the injection structure who moulds plastics, be used for carrying out quick refrigerated cooling structure to the mould and be used for carrying out ejecting structure to the injection mold embryo, the lower extreme surface of base is close to all installs the supporting leg in its four interior angle departments, the mounting bracket is the L type, just the mounting bracket is installed in the upper end surface of base and is close to in its back one side edge, the bed die passes through the connecting rod and installs in the upper end surface of base, the upper end surface both sides edge of bed die is provided with the guide post, just the top of bed die is provided with the recess, injection structure installs in the lower extreme surface of mounting bracket turn end, cooling structure installs in back one side and injection structure and the bed die of base. The utility model discloses convenient to use can cool off fast the mould embryo in the mould, and is difficult for causing the damage to the mould embryo when ejecting to the mould embryo.

Description

Long-life injection mold blank ejection device

Technical Field

The utility model relates to a stock test correlation technique field specifically is a long-life injection mold embryo ejecting device.

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 sizes, the injection molding is a processing method used for batch production of parts with complex shapes, specifically, materials melted by heating are injected into a mold cavity from high pressure, and a formed product is obtained after cooling and solidification, and the injection mold needs to open the mold after injection molding, namely, the product is ejected, so that the injection mold blank ejecting device with long service life is needed.

However, the existing injection mold blank ejection device has the following defects:

the existing injection molding mold blank ejection device is uneven in stress on the mold blank when the mold blank is ejected, the mold blank is easily damaged, unnecessary loss is caused, the cooling speed of the existing injection molding mold blank ejection device on the mold blank is low, the mold blank cannot be immediately taken out of a mold after injection molding is finished, and the injection molding efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long-life injection mold embryo ejecting device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a long-life injection mold blank ejection device comprises a base, a mounting frame, a lower mold, an injection molding structure for injection molding, a cooling structure for rapidly cooling the mold and an ejection structure for ejecting an injection mold blank, the lower end surface of the base is provided with support legs close to four inner corners of the base, the mounting rack is L-shaped, the mounting rack is arranged on the upper end surface of the base close to one side edge of the back surface of the base, the lower die is arranged on the upper end surface of the base through a connecting rod, guide posts are arranged on the two side edges of the upper end surface of the lower die, the top of the lower die is provided with a groove, the injection structure is arranged on the surface of the lower end of the turning end of the mounting frame, the cooling structure is arranged on one side of the back face of the base and in the injection molding structure and the lower die, and the ejection structure is arranged at the bottom of the lower die and inside the lower die.

Preferably, injection structure includes the pneumatic cylinder, goes up the mould and moulds plastics the case, the pneumatic cylinder is provided with both sides and all installs in the lower terminal surface of mounting bracket turn end, go up the mould and install in the bottom of two pneumatic cylinders, just go up the bottom of mould and both sides inside be provided with respectively with the recess to the lug that matches and the guide way that runs through, the case of moulding plastics is installed in the upper end surface of last mould, just the bottom of the case of moulding plastics runs through the mould through the head of moulding plastics and extends to its bottom.

Preferably, when the upper die is attached to the lower die, an injection molding cavity is formed inside the lug and the groove.

Preferably, the cooling structure includes cooler bin and cooling tube, the cooler bin is installed in back one side of base, the cooling tube is installed in the inside of last mould and bed die and is close to the edge in chamber of moulding plastics, just the both ends of cooling tube are respectively in the inside intercommunication connection of cooler bin.

Preferably, a water pump and a condenser are respectively arranged at two ends of the cooling tank on the cooling pipe.

Preferably, ejecting structure includes electric push rod, roof, ejector pin and spring, electric push rod installs in the upper end surface of base, just electric push rod's both sides are provided with telescopic connection pole, the roof is installed in electric push rod and telescopic connection pole's top, the ejector pin is provided with a plurality ofly, and is a plurality of the inside that the bed die extended to the bed die is run through at the top of ejector pin, just the top of ejector pin and the inside surface parallel and level of bed die, the spring cup joints on the ejector pin, just the both ends of spring are connected in the lower extreme surface of bed die and the upper end surface of roof respectively.

The utility model provides a long-life injection mold embryo ejecting device possesses following beneficial effect:

(1) the utility model discloses be provided with ejecting structure, after the mould is moulded plastics and is accomplished the cooling, start the electric push rod, promote roof rebound through the electric push rod to it is ejecting upwards to the inside mould embryo of bed die recess to drive the ejector pin, when ejecting, the ejector pin is cushioned to the ejector pin to the spring, avoids the ejector pin to cause the damage to the mould.

(2) The utility model discloses be provided with cooling structure, after the inside completion of moulding plastics of mould, start the water pump, carry the cooling tube in the cooling tube through the cold water of water pump in with the cooler bin in and carry out quick cooling treatment to the mould embryo of the intracavity portion of moulding plastics, the water of having cooled off the mould embryo returns to the cooler bin in through the cooling tube, to water resource cyclic utilization.

Drawings

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

FIG. 2 is a schematic view of the installation position of the cooling box of the present invention;

FIG. 3 is a schematic view of the lower mold structure of the present invention;

fig. 4 is a schematic diagram of the position of the guide slot of the present invention.

In the figure: 1. a base; 2. a mounting frame; 3. a lower die; 4. a guide post; 5. a hydraulic cylinder; 6. an upper die; 7. injection molding a box; 8. a guide groove; 9. an injection molding cavity; 10. a cooling tank; 11. a cooling tube; 12. a water pump; 13. a condenser; 14. an electric push rod; 15. a top plate; 16. a top rod; 17. a spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the utility model provides a technical scheme: a long-life injection mold blank ejection device comprises a base 1, a mounting rack 2, a lower mold 3, an injection molding structure for injection molding, a cooling structure for rapidly cooling the mold and an ejection structure for ejecting the injection mold blank, wherein the lower end surface of the base 1 is close to four inner corners thereof and is provided with supporting legs, the mounting rack 2 is of an L type, the mounting rack 2 is arranged on the upper end surface of the base 1 and is close to one side edge of the back surface thereof, the lower mold 3 is arranged on the upper end surface of the base 1 through a connecting rod, two side edges of the upper end surface of the lower mold 3 are provided with guide posts 4, the top of the lower mold 3 is provided with grooves, the injection molding structure is arranged on the lower end surface of the turning end of the mounting rack 2, the cooling structure is arranged on one side of the back surface of the base 1 and in the injection molding structure and the lower mold 3, the ejection structure is installed at the bottom of the lower mold 3 and inside the lower mold 3.

Injection structure includes pneumatic cylinder 5, goes up mould 6 and case 7 of moulding plastics, pneumatic cylinder 5 is provided with both sides and all installs in the lower extreme surface of 2 turns of mounting bracket ends, it installs in the bottom of two pneumatic cylinders 5 to go up mould 6 the bottom and the inside guide way 8 that is provided with respectively of both sides with the recess to the lug that matches and runs through of both sides, case 7 of moulding plastics is installed in the upper end surface of last mould 6, just mould 6 extends to its bottom through the head of moulding plastics in the bottom of case 7 of moulding plastics, is convenient for mould plastics to the mould, and just it is spacing to go up mould 6 under the effect of guide way 8 and guide post 4, avoids going up mould 6 and appearing the skew.

When the upper die 6 is attached to the lower die 3, an injection molding cavity 9 is formed in the lug and the groove, so that injection molding treatment of the die is facilitated.

Cooling structure includes cooler bin 10 and cooling tube 11, cooler bin 10 is installed in back one side of base 1, cooling tube 11 is installed in the inside of last mould 6 and bed die 3 and is close to in the edge of moulding plastics chamber 9, just the both ends of cooling tube 11 are connected in the inside intercommunication of cooler bin 10 respectively, are favorable to carrying out quick cooling treatment to the mould embryo of moulding plastics chamber 9 inside, improve the efficiency of moulding plastics to the mould.

The water pump 12 and the condenser 13 are respectively arranged at two ends of the cooling tank 10 on the cooling pipe 11, so that cold water in the cooling tank 10 can be conveniently conveyed to the cooling pipe 11, rapid cooling treatment of the water in the cooling pipe 11 is facilitated, and the temperature of the cold water in the cooling tank 10 is kept constant.

Ejecting structure includes electric push rod 14, roof 15, ejector pin 16 and spring 17, electric push rod 14 installs in the upper end surface of base 1, just electric push rod 14's both sides are provided with telescopic connection pole, roof 15 installs in electric push rod 14 and telescopic connection pole's top, ejector pin 16 is provided with a plurality ofly, and is a plurality of the inside that lower mould 3 extended to lower mould 3 is run through at ejector pin 16's top, just the top of ejector pin 16 and lower mould 3's inside surface parallel and level, spring 17 cup joints on ejector pin 16, just spring 17's both ends are connected in the lower extreme surface of lower mould 3 and the upper end surface of roof 15 respectively, are convenient for ejecting the mould embryo from the recess is inside, and through spring 17 to ejector pin 16's buffering, can avoid ejector pin 16 to cause the damage to the mould embryo.

The theory of operation, when moulding plastics, start hydraulic cylinder 5, drive mould 6 downstream through pneumatic cylinder 5, make mould 6 and bed die 3 laminating under the effect of guide post 4 and guide way 8, mould plastics in the case 7 is moulded plastics to injection moulding chamber 9 through moulding plastics, after the completion of moulding plastics, start water pump 12, carry the cooling tube 11 with the cold water in the cooler bin 10 through water pump 12, cool off the mould embryo of the inside of chamber 9 of moulding plastics fast, reset pneumatic cylinder 5 after the cooling is accomplished, start electric push rod 14, promote roof 15 upward movement through electric push rod 14, thereby make the inside mould embryo of ejector pin 16 processing recess upwards ejecting, and cushion ejector pin 16 through spring 17, avoid ejector pin 16 to cause the damage to the mould embryo.

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 (6)

1. The utility model provides a long-life injection mold embryo ejecting device, includes base (1), mounting bracket (2), bed die (3), is used for carrying out the injection structure who moulds plastics, is used for carrying out quick refrigerated cooling structure and being used for carrying out ejecting structure to the injection mold embryo to the mould, its characterized in that: the lower extreme surface of base (1) is close to and all installs the supporting leg in its four internal angle departments, mounting bracket (2) are the L type, just mounting bracket (2) are installed and are close to in its back one side edge in the upper end surface of base (1), lower mould (3) are installed in the upper end surface of base (1) through the connecting rod, the upper end surface both sides edge of lower mould (3) is provided with guide post (4), just the top of lower mould (3) is provided with the recess, injection structure installs in the lower extreme surface of mounting bracket (2) turn end, cooling structure installs in back one side and injection structure and lower mould (3) of base (1), ejecting structrual installation is in the bottom of lower mould (3) and the inside of lower mould (3).

2. The long-life injection mold blank ejection device of claim 1, wherein: the injection structure includes pneumatic cylinder (5), goes up mould (6) and case (7) of moulding plastics, pneumatic cylinder (5) are provided with both sides and all install in the lower extreme surface of mounting bracket (2) turn end, go up mould (6) and install in the bottom of two pneumatic cylinders (5), just go up the bottom of mould (6) and inside guide way (8) that are provided with respectively in both sides with recess assorted lug and run through, the upper end surface in last mould (6) is installed in case (7) of moulding plastics, just the bottom of case (7) of moulding plastics runs through upper die (6) through the head of moulding plastics and extends to its bottom.

3. The long-life injection mold blank ejection device of claim 2, wherein: when the upper die (6) is jointed with the lower die (3), an injection molding cavity (9) is arranged inside the lug and the groove.

4. The long-life injection mold blank ejection device of claim 1, wherein: the cooling structure comprises a cooling box (10) and a cooling pipe (11), wherein the cooling box (10) is installed on one side of the back face of the base (1), the cooling pipe (11) is installed in the upper die (6) and the lower die (3) and close to the edge of the injection molding cavity (9), and the two ends of the cooling pipe (11) are respectively communicated and connected with the inside of the cooling box (10).

5. The long-life injection mold blank ejection device of claim 4, wherein: and a water pump (12) and a condenser (13) are respectively arranged at two ends of the cooling pipe (11) positioned at the cooling box (10).

6. The long-life injection mold blank ejection device of claim 1, wherein: the ejection structure comprises an electric push rod (14), a top plate (15), ejector rods (16) and springs (17), wherein the electric push rod (14) is installed on the upper end surface of the base (1), telescopic connecting rods are arranged on two sides of the electric push rod (14), the top plate (15) is installed on the tops of the electric push rod (14) and the telescopic connecting rods, the ejector rods (16) are arranged in a plurality of numbers, the tops of the ejector rods (16) penetrate through the lower die (3) and extend to the inside of the lower die (3), the top ends of the ejector rods (16) are flush with the inner surface of the lower die (3), the springs (17) are sleeved on the ejector rods (16), and the two ends of the springs (17) are connected with the lower end surface of the lower die (3) and the upper end surface of the top plate (15) respectively.

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