CN211616519U

CN211616519U - Injection molding cooling structure of precision mold

Info

Publication number: CN211616519U
Application number: CN201922396688.0U
Authority: CN
Inventors: 徐娟
Original assignee: Tianjin Jinhetai Precision Machinery Co ltd
Current assignee: Tianjin Jinhetai Precision Machinery Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-02
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses an accurate mould cooling structure that moulds plastics, including base, support column, lower mould bottom plate, lower mould, last mould and last mould bottom plate, the cooling water course has all been seted up to the inside of lower mould and last mould, the top fixedly connected with inlet tube of cooling water course, the water inlet has been seted up to the interior roof of last mould die cavity, the delivery port has been seted up to the interior diapire in lower mould die cavity, it has first screw rod to peg graft at the top of going up the mould, the one end fixed mounting of first screw rod has first sealed head, the bottom of lower mould is pegged graft and is had the second screw rod, the one end fixed mounting of second screw rod has the sealed head of second. This precision mold cooling structure that moulds plastics, through the cooperation design of water inlet, delivery port, first screw rod, first sealed head, second screw rod and the sealed head of second, rotate first screw rod and shift out first sealed head from the water inlet for in the cooling water enters into the die cavity, direct and product contact further improve the cooling effect.

Description

Injection molding cooling structure of precision mold

Technical Field

The utility model relates to an injection mold technical field specifically is an accurate mould cooling structure that moulds plastics.

Background

Injection molding is a method for producing moldings from industrial products, which generally use rubber injection molding and plastic injection molding. The injection molding can be divided into injection molding and die casting, the injection molding machine is the main molding equipment for making various shapes of plastic products from thermoplastic plastics or thermosetting materials by using a plastic molding die, and the injection molding is realized by an injection molding machine and the die.

Among the present injection moulding equipment, after pouring into the die cavity with the melting raw materials, need the cooling shaping process of a period of time, just can the die sinking take out the product, and because the inside relative seal of mould, heat dispersion is poor, need the long time just can cool down the shaping, influence the production efficiency of product, and among the prior art, multiple cooling mode has been developed, generally set up the cold water pipe in the mould, cool down the processing to the region that is close to the die cavity, make the product rapid cooling, this has reduced the cooling spent time to a certain extent, however, after the product cools off a period of time in the die cavity, the shrinkage phenomenon can appear, make product outer wall and die cavity inner wall break away from mutually, the cooling effect obviously descends, consequently, need a precision mold cooling structure of moulding plastics.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an accurate mould cooling structure that moulds plastics has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an injection molding cooling structure of a precision mold comprises a base, a supporting column, a lower mold bottom plate, a lower mold, an upper mold and an upper mold bottom plate, wherein the supporting column is fixedly installed on the upper surface of the base, the lower mold bottom plate is fixedly installed at the top of the supporting column, the lower mold is fixedly installed on the upper surface of the lower mold bottom plate, the upper mold is arranged above the lower mold, the upper mold is fixedly installed on the lower surface of the upper mold bottom plate, a lower mold cavity is formed in the lower mold, an upper mold cavity is formed in the upper mold, cooling water channels are formed in the lower mold and the upper mold, a water inlet pipe is fixedly connected to the top of each cooling water channel, a water outlet pipe is fixedly connected to the bottom of each cooling water channel, a water inlet is formed in the inner top wall of the upper mold cavity, a water outlet is formed in the inner bottom wall, and a second screw rod is inserted into the bottom of the lower die, and a second sealing head is fixedly mounted at one end of the second screw rod.

Optionally, guide pillars are arranged at four corners of the upper surface of the lower die base plate, guide sleeves are arranged at four corners of the upper die base plate, and the guide pillars are inserted into the guide sleeves.

Optionally, an injection molding pipe is arranged at the top of the upper mold base plate and extends to the inside of the upper mold cavity.

Optionally, the first sealing head is adapted to the water inlet, and the second sealing head is adapted to the water outlet.

Optionally, one end of each of the first screw and the second screw is provided with an anti-slip knob.

Optionally, one end of the water inlet pipe extends to the top of the upper mold bottom plate, and one end of the water outlet pipe extends to the bottom of the lower mold bottom plate and is provided with a valve.

(III) advantageous effects

The utility model provides an accurate mould cooling structure that moulds plastics possesses following beneficial effect:

1. this precision mold cooling structure that moulds plastics through being equipped with cooling water course, inlet tube and drain pipe, carries the cooling water course with the cooling water from the inlet tube in, can make the cooling water cool off around to the die cavity to the cooling of product accelerates.

2. This precision mold cooling structure that moulds plastics, through being equipped with water inlet, delivery port, first screw rod, first sealed head, second screw rod and the sealed head of second, after cooling water entered into the cooling water course, rotate first screw rod and shift out first sealed head from the water inlet for in the cooling water can enter into the die cavity from the water inlet, thereby direct and product contact, further improvement cooling effect.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a base; 2. a support pillar; 3. a lower die base plate; 4. a lower die; 5. an upper die; 6. an upper die base plate; 7. a lower mold cavity; 8. an upper die cavity; 9. a cooling water channel; 10. a water inlet pipe; 11. a drain pipe; 12. a water inlet; 13. a water outlet; 14. a first screw; 15. a first sealing head; 16. a second screw; 17. a second sealing head; 18. a guide post; 19. a guide sleeve; 20. injection molding a tube; 21. an anti-slip knob.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: an injection molding cooling structure of a precision mold comprises a base 1, a support pillar 2, a lower mold bottom plate 3, a lower mold 4, an upper mold 5 and an upper mold bottom plate 6, wherein the support pillar 2 is fixedly installed on the upper surface of the base 1, the lower mold bottom plate 3 is fixedly installed on the top of the support pillar 2, the lower mold 4 is fixedly installed on the upper surface of the lower mold bottom plate 3, the upper mold 5 is arranged above the lower mold 4, the upper mold 5 is fixedly installed on the lower surface of the upper mold bottom plate 6, guide pillars 18 are arranged at four corners of the upper surface of the lower mold bottom plate 3, guide sleeves 19 are arranged at four corners of the upper mold bottom plate 6, the guide pillars 18 are inserted into the guide sleeves 19, a lower mold cavity 7 is arranged inside the lower mold 4, an upper mold cavity 8 is arranged inside the upper mold 5, an injection molding pipe 20 is arranged on the top of the upper, top fixedly connected with inlet tube 10 of cooling water course 9, bottom fixedly connected with drain pipe 11 of cooling water course 9, go up the interior roof of mould cavity 8 and seted up water inlet 12, delivery port 13 has been seted up to the interior roof of lower mould cavity 7, it has first screw rod 14 to go up the top of mould 5 to peg graft, the one end fixed mounting of first screw rod 14 has first sealed head 15, first sealed head 15 and water inlet 12 looks adaptation, lower mould 4's bottom is pegged graft and is had second screw rod 16, the one end fixed mounting of second screw rod 16 has the sealed head 17 of second, the sealed head 17 of second and delivery port 13 looks adaptation, the one end of first screw rod 14 and second screw rod 16 all is provided with anti-skidding knob 21, the one end of inlet tube 10 extends to the top of cope match-plate pattern bottom plate 6, the one end of drain pipe 11 extends to the bottom.

In order to cool the product in the cavity, cooling water is conveyed into the cooling water channel 9 from the water inlet pipe 10 through the cooling water channel 9, the water inlet pipe 10 and the water outlet pipe 11, so that the cooling water can cool the periphery of the cavity, and the cooling of the product is accelerated;

in order to further improve the cooling effect, the cooling water is provided with the water inlet 12, the water outlet 13, the first screw 14, the first sealing head 15, the second screw 16 and the second sealing head 17, after cooling water enters the cooling water channel 9, the first screw 14 is rotated to move the first sealing head 15 out of the water inlet 12, so that the cooling water can enter the cavity from the water inlet 12 and directly contact with a product, the cooling effect is improved, after cooling is finished, the second screw 16 is rotated to move the second sealing head 17 out of the water outlet 13, so that water in the cavity is discharged from the water outlet 13 and finally discharged from the water discharge pipe 11;

in order to rotate the screw rod conveniently, an anti-slip knob 21 is arranged.

To sum up, the injection molding cooling structure of the precision mold is provided with the cooling water channel 9, the water inlet pipe 10 and the water discharge pipe 11, cooling water is conveyed into the cooling water channel 9 from the water inlet pipe 10, the cooling water can cool the periphery of the cavity, so as to accelerate the cooling of the product, in order to further improve the cooling effect, the first screw 14, the first sealing head 15, the second screw 16 and the second sealing head 17 are arranged, after the cooling water enters the cooling water channel 9, the first screw 14 is rotated to move the first sealing head 15 out of the water inlet 12, so that the cooling water can enter the cavity from the water inlet 12, so as to directly contact with the product, the cooling effect is improved, after the cooling is finished, the second screw 16 is rotated to move the second sealing head 17 out of the water inlet 12 and the water outlet 13, so that the water in the cavity is discharged from the water outlet 13, and finally discharged from the drain pipe 11.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a cooling structure is moulded plastics to precision mold, includes base (1), support column (2), lower mould bottom plate (3), lower mould (4), goes up mould (5) and last mould bottom plate (6), its characterized in that: the upper surface of the base (1) is fixedly provided with a support column (2), the top of the support column (2) is fixedly provided with a lower die base plate (3), the upper surface of the lower die base plate (3) is fixedly provided with a lower die (4), an upper die (5) is arranged above the lower die (4), the upper die (5) is fixedly arranged on the lower surface of an upper die base plate (6), a lower die cavity (7) is arranged inside the lower die (4), an upper die cavity (8) is arranged inside the upper die (5), cooling water channels (9) are arranged inside the lower die (4) and the upper die (5), the top of each cooling water channel (9) is fixedly connected with a water inlet pipe (10), the bottom of each cooling water channel (9) is fixedly connected with a drain pipe (11), the inner top wall of the upper die cavity (8) is provided with a water inlet (12), and the inner bottom wall of the lower die, the top of the upper die (5) is spliced with a first screw (14), one end of the first screw (14) is fixedly provided with a first sealing head (15), the bottom of the lower die (4) is spliced with a second screw (16), and one end of the second screw (16) is fixedly provided with a second sealing head (17).

2. The precision mold injection cooling structure of claim 1, wherein: guide posts (18) are arranged at four corners of the upper surface of the lower die base plate (3), guide sleeves (19) are arranged at four corners of the upper die base plate (6), and the guide posts (18) are inserted into the guide sleeves (19).

3. The precision mold injection cooling structure of claim 1, wherein: an injection molding pipe (20) is arranged at the top of the upper mold bottom plate (6), and the injection molding pipe (20) extends to the interior of the upper mold cavity (8).

4. The precision mold injection cooling structure of claim 1, wherein: the first sealing head (15) is matched with the water inlet (12), and the second sealing head (17) is matched with the water outlet (13).

5. The precision mold injection cooling structure of claim 1, wherein: and anti-skidding knobs (21) are arranged at one ends of the first screw rod (14) and the second screw rod (16).

6. The precision mold injection cooling structure of claim 1, wherein: one end of the water inlet pipe (10) extends to the top of the upper mold bottom plate (6), and one end of the water outlet pipe (11) extends to the bottom of the lower mold bottom plate (3) and is provided with a valve.