CN214645659U

CN214645659U - Automatic injection mold embryo of separation

Info

Publication number: CN214645659U
Application number: CN202120907670.7U
Authority: CN
Inventors: 周友平
Original assignee: Demi Precision Technology Dongguan Co ltd
Current assignee: Demi Precision Technology Dongguan Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-09
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses an automatic injection mold embryo of separation, including lower bolster, die holder, guide pillar, upper die base, cope match-plate pattern, cooling body, autosegregation mechanism, the lower bolster upper end is equipped with the support column, the support column top is equipped with the backup pad, the die holder is located the backup pad upper end, lower bolster and cope match-plate pattern fixed mounting are at the guide pillar both ends respectively, the cope match-plate pattern lower surface is equipped with electric push rod, electric push rod's extension end is connected with damper, the damper lower extreme is connected with the upper die base. The utility model discloses a set up autosegregation mechanism, when the upper die base shifts up the separation, reset spring resets, and simultaneously the gaseous backward flow of gas intracavity to spacing intracavity, first piston removes and makes the through-hole open, can aerify work through the pump this moment for in gaseous entering into the die holder through the through-hole, make the atmospheric pressure increase in the die holder, thereby the separation work of being convenient for, convenient to use.

Description

Automatic injection mold embryo of separation

Technical Field

The utility model relates to an injection mold embryo correlation technique field specifically is an automatic separation's injection mold embryo.

Background

The mould embryo is the base of mould, and the installation mould of being convenient for plays the effect of supporting, protection, the key part (the mold core) of connecting the mould, because the mould embryo does not participate in the shaping, so its shape can not change along with the change of product, only with the size of product, the structure is relevant, so can standardize the mould embryo, adopt the mode of pouring to produce, efficient, of high quality is by extensive application in the production of plastic part.

However, in the use process of the existing injection mold blank, automatic separation is not convenient to realize, so that the formed mold is not convenient to demold, the existing injection mold blank mostly does not have a quick cooling function, so that the forming efficiency is low, and meanwhile, in the forming process, the injection liquid is easy to foam, the quality of a product is influenced, and the improvement is needed

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic separation's injection mold embryo to in solving the current injection mold embryo use that mentions in the above-mentioned background art, be not convenient for realize the autosegregation, thereby be not convenient for carry out the drawing of patterns with the mould after the shaping, and current injection mold embryo does not possess quick cooling function mostly, makes the shaping inefficiency, and in the simultaneous forming process, the liquid of moulding plastics produces the bubble easily, influences the problem of the quality of product.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic injection mold embryo of separation, includes lower bolster, die holder, guide pillar, upper die base, cope match-plate pattern, cooling body, autosegregation mechanism, the lower bolster upper end is equipped with the support column, the support column top is equipped with the backup pad, the die holder is located the backup pad upper end, lower bolster and cope match-plate pattern fixed mounting respectively are at the guide pillar both ends, the cope match-plate pattern lower surface is equipped with electric push rod, electric push rod's extension end is connected with damping component, the damping component lower extreme is connected with the cope match-plate pattern, the cope match-plate pattern is located directly over the die holder, cooling body is located the lower bolster, autosegregation mechanism is located the die holder bottom, the inside die cavity that is equipped with of cope match-plate pattern of upper die base, the mouth of pouring has been seted up to upper die base one side, pour mouth and die cavity intercommunication, four edges of cope match-plate pattern all are equipped with spacing post.

Preferably, a lower die cavity is arranged in the lower die base, and four groups of through holes are formed in the bottom end of the lower die cavity.

Preferably, the automatic separation mechanism comprises four groups of air cavities, four groups of limit cavities and an inflator pump, the four groups of limit cavities are respectively positioned at four corners of the upper surface of the lower die base, the four groups of limit cavities are respectively arranged corresponding to the four groups of limit posts, the four groups of air cavities are respectively positioned at the bottom end of the lower die cavity, the four groups of air cavities are respectively communicated with the four groups of through holes, the inflator pump is positioned below the lower die base, and the inflator pump is communicated with the insides of the four groups of air cavities through air pipes.

Preferably, first pistons are arranged in the four air cavities, the size of each first piston is larger than that of each through hole, second pistons are arranged in the four limiting cavities, return springs are fixedly connected to the bottoms of the second pistons, and the four limiting cavities are respectively communicated with the four air cavities.

Preferably, cooling body includes the cooling chamber, stirs subassembly and fin, the cooling chamber encircles and is established at lower die cavity outside, the fin is equipped with the multiunit, multiunit fin one end extends to the cooling chamber inside, and the fin other end extends and is located the die holder outside, it is located the cooling chamber inside to stir the subassembly.

Preferably, the stirring subassembly includes pivot, two sets of dwang and stirring rod, the pivot is rotated and is installed under on die cavity one side outer wall, and is two sets of the dwang is located lower die cavity both sides respectively and rotates and install inside the cooling chamber, and is two sets of the dwang all is connected with the dwang through the driving chain, the stirring rod is equipped with the multiunit, multiunit stirring rod align to grid distributes on two sets of dwang lateral walls, and stirring rod and fin crisscross setting, stirring rod one end fixedly connected with rubber beats the piece, rubber beats piece and lower die cavity one side outer wall contact.

Preferably, pivot one end fixedly connected with blade, be equipped with the coolant liquid case on the lower bolster, coolant liquid case one side is connected with the circulating pump, the circulating pump passes through transfer line and the inside intercommunication of cooling chamber, the leakage fluid dram of transfer line is towards the blade, cooling chamber one side is connected with the back flow, back flow one end and the inside intercommunication of coolant liquid case.

Preferably, the damping assembly comprises a vibration plate, a vibration spring and a pressing plate, the upper end of the pressing plate is fixedly connected with the extending end of the electric push rod, the vibration spring is fixedly installed between the pressing plate and the vibration plate, and the vibration plate is fixedly connected with the top end of the upper die base.

The utility model provides an automatic injection mold embryo of separation possesses following beneficial effect:

(1) the utility model discloses a set up autosegregation mechanism, when the upper die base moves down, can insert spacing intracavity portion through spacing post, make the second piston move down and compress reset spring simultaneously, make the gas in spacing intracavity send into the air cavity, thereby make the atmospheric pressure in the air cavity promote first piston and remove and carry out the shutoff to the through-hole, thereby can realize the closure, when the upper die base shifts up the separation, reset spring resets, simultaneously the gaseous backward flow in the air cavity to spacing intracavity, first piston removes and makes the through-hole open, can aerify work through the pump this moment, make in gaseous entering into the die holder through the through-hole, make the atmospheric pressure in the die holder increase, thereby the separation work of being convenient for, and convenient to use.

(2) The utility model discloses a set up cooling body, can the circulating pump extraction coolant liquid and send into the cooling intracavity through the transfer line, utilize the coolant liquid to strike the blade and rotate, thereby make the pivot rotate, rotate through the two sets of dwangs of drive chain drive in the time of the pivot pivoted, thereby make the dwang rotate and stir the coolant liquid through stirring the pole, make the coolant liquid heat absorption even, increase the radiating effect, beat the piece through rubber when stirring the pole rotates simultaneously and pat vibrations to lower die cavity, thereby make lower die cavity and last die cavity receive vibrations, can make the inside more even of pouring liquid distribution, reduce inside bubble, guarantee that the shaping is effectual.

Drawings

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

FIG. 2 is a side sectional view of the lower mold base of the present invention;

FIG. 3 is a top sectional view of the present invention;

fig. 4 is a schematic structural diagram of a portion a in fig. 3 according to the present invention.

In the figure: 1. a lower template; 2. a support plate; 3. a lower die holder; 4. a support pillar; 5. a coolant tank; 6. an inflator pump; 7. a circulation pump; 8. a return pipe; 9. a heat sink; 10. a guide post; 11. an upper die holder; 12. pouring a mouth; 13. a limiting column; 14. a vibration plate; 15. vibrating the spring; 16. pressing a plate; 17. an electric push rod; 18. mounting a template; 19. a lower die cavity; 20. a through hole; 21. an air cavity; 22. a first piston; 23. a limiting cavity; 24. a return spring; 25. a second piston; 26. a gas delivery pipe; 27. a cooling chamber; 28. rotating the rod; 29. a drive chain; 30. a rotating shaft; 31. a blade; 32. a transfusion tube; 33. a stirring rod; 34. and (5) beating the block with rubber.

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 solution: an automatically separated injection mold blank comprises a lower template 1, a lower mold base 3, a guide post 10, an upper mold base 11, an upper template 18, a cooling mechanism and an automatic separating mechanism, wherein the upper end of the lower template 1 is provided with a support post 4, the top end of the support post 4 is provided with a support plate 2, the lower mold base 3 is positioned at the upper end of the support plate 2, the lower template 1 and the upper template 18 are respectively and fixedly arranged at two ends of the guide post 10, the lower surface of the upper template 18 is provided with an electric push rod 17, the extending end of the electric push rod 17 is connected with a damping component, the lower end of the damping component is connected with the upper mold base 11, the upper mold base 11 is positioned right above the lower mold base 3, the cooling mechanism is positioned on the lower template 1, the automatic separating mechanism is positioned at the bottom end of the lower mold base 3, an upper mold cavity is arranged inside the upper mold base 11, one side of the upper mold base 11 is provided with a pouring port 12, and the pouring port 12 is communicated with the upper mold cavity, four corners of the upper die base 11 are provided with limiting columns 13.

The inside die cavity 19 that is equipped with of lower die holder 3, four groups of through-holes 20 have been seted up to lower die cavity 19 bottom, through setting up four groups of through-holes 20, when needing to carry out the drawing of patterns, can inject gas into lower die holder 3 through four groups of through-holes 20 in for atmospheric pressure in lower die holder 3 increases, thereby is convenient for carry out drawing of patterns work.

The automatic separation mechanism comprises four groups of air cavities 21, four groups of limit cavities 23 and an inflator pump 6, wherein the four groups of limit cavities 23 are respectively positioned at four corners of the upper surface of the lower die base 3, the four groups of limit cavities 23 are respectively arranged corresponding to the four groups of limit posts 13, the four groups of air cavities 21 are respectively positioned at the bottom end of the lower die cavity 19, the four groups of air cavities 21 are respectively communicated with the four groups of through holes 20, the inflator pump 6 is positioned below the lower die base 3, the inflator pump 6 is communicated with the interiors of the four groups of air cavities 21 through air pipes 26, when the upper die base 11 moves downwards, the limit posts 13 can be inserted into the interiors of the limit cavities 23, so that air in the limit cavities 23 is sent into the interiors of the air cavities 21, air pressure in the air cavities 21 pushes the first pistons 22 to move to plug the through holes 20, when the upper die base 11 moves upwards, air in the air cavities 21 can flow back to the interiors of the limit cavities 23, and meanwhile, the inflator pump 6 is utilized to perform inflation work, so that the gas is filled into the inside of the gas cavity 21 and the gas in the gas cavity 21 is discharged through the through holes 20, thereby realizing the demolding work.

The four groups of air cavities 21 are internally provided with first pistons 22, the size of each first piston 22 is larger than that of each through hole 20, the four groups of limiting cavities 23 are internally provided with second pistons 25, the bottom ends of the second pistons 25 are fixedly connected with return springs 24, the four groups of limiting cavities 23 are respectively communicated with the four groups of air cavities 21, and the limiting columns 13 can be inserted into the limiting cavities 23 to push the second pistons 25 to move downwards, so that the return springs 24 are compressed, the air in the limiting cavities 23 is sent into the air cavities 21, the air pressure in the air cavities 21 is increased, and the first pistons 22 move to block the through holes 20.

Cooling body includes cooling chamber 27, stirring subassembly and fin 9, cooling chamber 27 encircles and establishes die cavity 19 outsidely under, fin 9 is equipped with the multiunit, multiunit 9 one end of fin extends to cooling chamber 27 insidely, and the fin 9 other end extends and is located die holder 3 outsidely, stirring the subassembly and being located cooling chamber 27 insidely, can distribute away the heat in cooling chamber 27 through fin 9, can utilize simultaneously to stir the subassembly and stir the coolant liquid in cooling chamber 27 for it is even to be heated, thereby increases the radiating effect.

The stirring component comprises a rotating shaft 30, two sets of rotating rods 28 and a stirring rod 33, wherein the rotating shaft 30 is rotatably installed on the outer wall of one side of the lower die cavity 19, the two sets of rotating rods 28 are respectively positioned on two sides of the lower die cavity 19 and rotatably installed in the cooling cavity 27, the two sets of rotating rods 28 are connected with the rotating rods 28 through transmission chains 29, the stirring rod 33 is provided with a plurality of sets of stirring rods 33, the stirring rods 33 are uniformly distributed on the side walls of the two sets of rotating rods 28, the stirring rods 33 and the radiating fins 9 are arranged in a staggered manner, one end of each stirring rod 33 is fixedly connected with a rubber beating block 34, the rubber beating block 34 is contacted with the outer wall of one side of the lower die cavity 19, the rotating shaft 30 can be utilized to rotate to drive the transmission chains 29 to rotate, so that the two sets of rotating rods 28 rotate, the stirring rods 33 are driven to synchronously rotate when the rotating rods 28 rotate, the stirring rods 33 stir the cooling liquid, and the cooling liquid is uniformly heated, meanwhile, the stirring rod 33 rotates to beat one side of the lower die cavity 19, so that the lower die cavity 19 vibrates, the pouring liquid inside is distributed more uniformly, and air bubbles inside are reduced.

30 one end fixedly connected with blade 31 of pivot, be equipped with coolant tank 5 on the lower bolster 1, 5 one side of coolant tank are connected with circulating pump 7, circulating pump 7 passes through transfer line 32 and the inside intercommunication in cooling chamber 27, the leakage fluid dram of transfer line 32 is towards blade 31, cooling chamber 27 one side is connected with

back flow

8, 8 one end of back flow and the inside intercommunication in coolant tank 5 can utilize circulating pump 7 to draw the coolant liquid and send into cooling chamber 27 through transfer line 32 in, the coolant liquid strikes blade 31 for blade 31 rotates and drives pivot 30 and rotate.

The damping component comprises a vibration plate 14, a vibration spring 15 and a pressing plate 16, the upper end of the pressing plate 16 is fixedly connected with the extending end of an electric push rod 17, the vibration spring 15 is fixedly installed between the pressing plate 16 and the vibration plate 14, the vibration plate 14 is fixedly connected with the top end of an upper die base 11, vibration can be transmitted to an upper die base after a lower die cavity vibrates, and meanwhile, the vibration plate 14 and the vibration spring 15 can vibrate to increase the vibration effect and reduce internal bubbles.

It should be noted that, when the injection mold blank is in operation, the electric push rod 17 can be used to extend and push the lower mold base 3 to move downwards, the limit post 13 can be inserted into the limit cavity 23 to push the second piston 25 to move downwards, so that the return spring 24 is compressed, and thus the gas in the limit cavity 23 is sent into the air cavity 21, and the air pressure in the air cavity 21 is increased, so that the first piston 22 moves to block the through hole 20, and then the pouring liquid is injected into the upper mold cavity and the lower mold cavity 19 through the pouring hole, and simultaneously the circulating pump 7 can be used to extract the cooling liquid and send the cooling liquid into the cooling cavity 27 through the liquid conveying pipe 32, and the cooling liquid impacts the blade 31, so that the blade 31 rotates and drives the rotating shaft 30 to rotate, and the rotating shaft 30 rotates to drive the transmission chain 29 to rotate, so that the two sets of rotating rods 28 rotate, and the rotating rod 28 rotates and simultaneously drives the stirring rod 33 to rotate synchronously, the stirring rod 33 is enabled to stir the cooling liquid, the cooling liquid is heated uniformly, the heat dissipation effect is improved, meanwhile, the heat dissipation fins 9 can perform auxiliary heat dissipation, the heat dissipation effect is good, meanwhile, the stirring rod 33 rotates to flap one side of the lower die cavity 19, the lower die cavity 19 is enabled to vibrate, after the lower die cavity vibrates, the vibration can be transmitted to the upper die base, the vibration plate 14 and the vibration spring 15 can vibrate to increase the vibration effect, the distribution of the pouring liquid inside is enabled to be more uniform, the bubbles inside are reduced, the pouring forming effect is good, after the upper die base 11 is separated from the lower die base 3, the reset spring 24 in the air cavity 21 pushes the second piston 25 to reset, the air flow in the air cavity 21 can flow back to the limiting cavity 23, the first piston 22 is separated from the through hole 20, then the inflator pump 6 is started, and the air is filled into the air cavity 21, thereby, the air in the air cavity 21 is discharged into the lower die body through the through hole 20, the air pressure in the lower die body is increased, and the demoulding operation is realized.

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 injection mold blank capable of being automatically separated is characterized by comprising a lower template (1), a lower mold base (3), a guide pillar (10), an upper mold base (11), an upper mold plate (18), a cooling mechanism and an automatic separating mechanism, wherein a support pillar (4) is arranged at the upper end of the lower template (1), a support plate (2) is arranged at the top end of the support pillar (4), the lower mold base (3) is positioned at the upper end of the support plate (2), the lower template (1) and the upper mold plate (18) are respectively and fixedly installed at two ends of the guide pillar (10), an electric push rod (17) is arranged at the lower surface of the upper mold plate (18), the extending end of the electric push rod (17) is connected with a damping component, the lower end of the damping component is connected with the upper mold base (11), the upper mold base (11) is positioned right above the lower mold base (3), the cooling mechanism is positioned on the lower mold plate (1), the automatic separating mechanism is positioned at the bottom end of the lower mold base (3), the die is characterized in that an upper die cavity is arranged inside the upper die base (11), a pouring opening (12) is formed in one side of the upper die base (11), the pouring opening (12) is communicated with the upper die cavity, and limiting columns (13) are arranged at four corners of the upper die base (11).

2. An automatically separable injection mold blank according to claim 1, wherein: a lower die cavity (19) is arranged in the lower die base (3), and four groups of through holes (20) are formed in the bottom end of the lower die cavity (19).

3. An automatically separable injection mold blank according to claim 2, wherein: the automatic separation mechanism comprises four air cavities (21), four limit cavities (23) and an air pump (6), the four limit cavities (23) are respectively located at four corners of the upper surface of the lower die base (3), the four limit cavities (23) are respectively arranged corresponding to the four limit columns (13), the four air cavities (21) are respectively located at the bottom end of the lower die cavity (19), the four air cavities (21) are respectively communicated with the four through holes (20), the air pump (6) is located below the lower die base (3), and the air pump (6) is communicated with the insides of the four air cavities (21) through air pipes (26).

4. An automatically separable injection mold blank according to claim 3, wherein: first pistons (22) are arranged in the four air cavities (21), the size of each first piston (22) is larger than that of each through hole (20), second pistons (25) are arranged in the four limiting cavities (23), the bottom ends of the second pistons (25) are fixedly connected with return springs (24), and the four limiting cavities (23) are communicated with the four air cavities (21) respectively.

5. An automatically separable injection mold blank according to claim 1, wherein: cooling body includes cooling chamber (27), stirs subassembly and fin (9), cooling chamber (27) ring is established die cavity (19) outside down, fin (9) are equipped with the multiunit, multiunit fin (9) one end extends to cooling chamber (27) inside, and fin (9) other end extends and is located die holder (3) outside, it is inside that the subassembly is located cooling chamber (27) to stir.

6. An automatically separable injection mold blank according to claim 5, wherein: mix the subassembly and include pivot (30), two sets of dwang (28) and stirring rod (33), pivot (30) are rotated and are installed under on die cavity (19) one side outer wall, and are two sets of dwang (28) are located die cavity (19) both sides and rotate respectively and install inside cooling chamber (27), and are two sets of dwang (28) all are connected with dwang (28) through driving chain (29), stirring rod (33) are equipped with the multiunit, multiunit stirring rod (33) align to grid distributes on two sets of dwang (28) lateral walls, and stirring rod (33) and fin (9) crisscross setting, stirring rod (33) one end fixedly connected with rubber beats piece (34), rubber beats piece (34) and die cavity (19) one side outer wall contact down.

7. An automatically separable injection mold blank according to claim 6, wherein: pivot (30) one end fixedly connected with blade (31), be equipped with coolant liquid case (5) on lower bolster (1), coolant liquid case (5) one side is connected with circulating pump (7), circulating pump (7) are through transfer line (32) and the inside intercommunication of cooling chamber (27), the leakage fluid dram of transfer line (32) is towards blade (31), cooling chamber (27) one side is connected with back flow (8), back flow (8) one end and the inside intercommunication of coolant liquid case (5).

8. An automatically separable injection mold blank according to claim 1, wherein: the shock absorption assembly comprises a shock plate (14), a shock spring (15) and a pressing plate (16), the upper end of the pressing plate (16) is fixedly connected with the extending end of an electric push rod (17), the shock spring (15) is fixedly installed between the pressing plate (16) and the shock plate (14), and the shock plate (14) is fixedly connected with the top end of an upper die base (11).