CN221089423U

CN221089423U - Graphite mold capable of rapidly demolding

Info

Publication number: CN221089423U
Application number: CN202323048180.4U
Authority: CN
Inventors: 李志勇; 孙腾飞; 单要东
Original assignee: Pingdingshan Changliang Technology Co ltd
Current assignee: Pingdingshan Changliang Technology Co ltd
Priority date: 2023-11-10
Filing date: 2023-11-10
Publication date: 2024-06-07
Anticipated expiration: 2033-11-10

Abstract

The utility model discloses a graphite mold capable of rapidly demolding, and relates to the technical field of graphite molds. This can carry out graphite mold of quick drawing of patterns, including the processing base, the centre of processing base upper surface is provided with the mould case, the lower fixed surface of mould case is connected with four supporting legs, four supporting leg fixed connection is on the upper surface of processing base, the inside bottom fixedly connected with bed die of mould case, the fixed waterproof board that corresponds the setting from top to bottom of cup jointing of outer wall of bed die, the equal fixed connection of surface of two waterproof boards is on the inside inner wall of mould incasement portion, through the second water pump, the inside of mould case is drawn into with the inside cooling water of second refrigeration incasement portion through the third raceway to the second water pump is located the inside cooling water of mould case and is cooled down the surface of bed die, thereby cool down the inside graphite crucible raw materials of bed die, accelerate the shaping of graphite crucible, improve graphite crucible's production efficiency.

Description

Graphite mold capable of rapidly demolding

Technical Field

The utility model relates to the technical field of graphite molds, in particular to a graphite mold capable of rapidly demolding.

Background

The graphite crucible has good thermal conductivity and high temperature resistance, and has small thermal expansion coefficient and certain anti-strain performance for rapid heating and quenching in the high temperature use process. The alkaline solution has strong corrosion resistance to acid and has excellent chemical stability. The alloy tool steel is widely used for smelting alloy tool steel and nonferrous metals and alloys thereof in the industries of metallurgy, casting, machinery, chemical industry and the like, and has better technical and economic effects.

In the production process of the graphite crucible, a forming die is required to be used for shaping, a material melted into liquid needs to be injected into the conventional forming die for cooling and fixing and forming in the production process, a cooling device is lacked in the conventional forming die, natural cooling is generally adopted in the process of cooling and fixing and forming the material melted into liquid, after the cooling is completed, the material is removed from the die and taken out for later processing, natural cooling can reduce certain production cost, but the air temperature outside the material can influence the natural cooling time, if the temperature is higher in summer, the natural cooling time is increased, and the period from the material melted into liquid to the cooling and fixing and forming is longer, so that the production efficiency of the graphite crucible is influenced.

Disclosure of utility model

(One) solving the technical problems

The utility model aims to at least solve one of the technical problems in the prior art, provides a graphite die capable of rapidly demolding, and solves the problems that a traditional forming die lacks a cooling device and natural cooling is generally adopted in the process from the process of melting a liquid material to the process of cooling, fixing and forming the liquid material.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the graphite mold capable of being rapidly demolded comprises a processing base, wherein a mold box is arranged in the middle of the upper surface of the processing base, four supporting legs are fixedly connected to the lower surface of the mold box, and the four supporting legs are fixedly connected to the upper surface of the processing base;

the bottom of the inside of the mold box is fixedly connected with a lower mold, the outer wall of the lower mold is fixedly sleeved with two waterproof plates which are arranged up and down correspondingly, and the outer surfaces of the two waterproof plates are fixedly connected to the inner wall of the inside of the mold box;

Wherein, a demoulding device is arranged in the middle of the upper surface of the processing base;

The two guide holes are arranged at the front end and the rear end of the upper surface of the die box, the two guide holes are arranged in a front-back corresponding manner, the left side and the right side of the die box are fixedly connected with two first fixing plates which are arranged in a vertically corresponding manner, and lifting devices are arranged on opposite surfaces of the two first fixing plates which are arranged in a vertically corresponding manner;

Wherein, the equal fixedly connected with backup pad of front side of first fixed plate is all kept away from to mould case left and right sides, and the equal fixedly connected with motor of upper surface of two backup pads, the equal fixedly connected with first belt pulley of output of two motors, and both sides are provided with circulation cooling device around the processing base upper surface.

Preferably, the demolding device comprises a hydraulic cylinder, wherein the hydraulic cylinder is fixedly connected to the upper surface of the processing base, and the telescopic end of the hydraulic cylinder penetrates into the mold box in a sliding manner and penetrates into the lower mold in a sliding manner;

Wherein, the hydraulic cylinder is located the inside telescopic end fixedly connected with circular backup pad of bed die, circular backup pad sliding connection in the inner wall of bed die.

Preferably, the lifting device comprises two threaded rods, the two threaded rods are respectively and rotatably connected to opposite surfaces of the two first fixing plates which are arranged up and down correspondingly, and the upper ends of the two threaded rods respectively and rotatably penetrate through the upper surfaces of the two first fixing plates which are positioned on the upper side;

the outer walls of the two threaded rods are fixedly sleeved with second belt pulleys, the two second belt pulleys are respectively connected with the two first belt pulleys through two belt transmission, the upper ends of the outer walls of the two threaded rods are sleeved with movable sleeves in a threaded mode, and the two movable sleeves are correspondingly arranged left and right.

Preferably, the opposite surfaces of the two movable sleeves are fixedly connected with second connecting plates, and the opposite surfaces of the two second connecting plates are fixedly connected with round covers matched with the lower die;

Wherein, the lower surface fixedly connected with mould of circular lid, the equal fixedly connected with inlet pipe of both sides around the circular lid upper surface, two inlet pipes all run through the lower surface of circular lid, the equal fixedly connected with first connecting plate of front and back surface of circular lid.

Preferably, the lower surfaces of the two first connecting plates are fixedly connected with guide rods, and one ends of the two guide rods, which are far away from the two first connecting plates, are respectively and slidably connected in the inner walls of the two guide holes;

Wherein, the equal fixedly connected with spring of one end that two guide bars all are arranged in the guiding hole inner wall, the equal fixedly connected with of lower extreme of two springs is on the inside bottom of guiding hole.

Preferably, the circulating cooling device comprises a second refrigeration box and a first refrigeration box, wherein the second refrigeration box and the first refrigeration box are fixedly connected to the upper surface of the processing base, the first refrigeration box is positioned at the front side of the die box, and the second refrigeration box is positioned at the rear side of the die box;

The upper surface of the second refrigeration box is fixedly connected with a water inlet pipe, the water inlet pipe is communicated with the interior of the second refrigeration box, the right end of the front side of the upper surface of the second refrigeration box is fixedly connected with a second water pump, and a water suction port of the second water pump is communicated with the interior of the second refrigeration box.

Preferably, the water outlet of the second water pump is fixedly connected with a third water pipe, one end of the third water pipe, which is far away from the second water pump, penetrates into the die box, the upper surface of the first refrigeration box is fixedly connected with a second water pipe, and the second water pipe is communicated with the interior of the first refrigeration box;

One end of the second water pipe, which is far away from the first refrigeration box, penetrates into the die box, the lower end of the left side of the first refrigeration box is fixedly connected with a first water pump, a water suction port of the first water pump is communicated with the interior of the first refrigeration box, a water outlet of the first water pump is fixedly connected with the first water pipe, and one end of the first water pipe, which is far away from the first refrigeration box, penetrates into the interior of the second refrigeration box.

(III) beneficial effects

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

(1) This can carry out quick drawing of patterns graphite mould, through the second water pump, the second water pump is through the inside of the cooling water suction mould case of third raceway with second refrigeration incasement portion, is located the inside cooling water of mould case and cools down the surface of bed die to cool down the inside graphite crucible raw materials of bed die, accelerate graphite crucible's shaping, improve graphite crucible's production efficiency.

(2) This graphite mould that can carry out quick drawing of patterns enters into the inside of mould case and enters into the inside of first refrigeration case through the second raceway, carries out cooling refrigeration processing again to the cooling water, then starts first water pump, and first water pump draws in the inside cooling water of first refrigeration case to the inside of second refrigeration case through first raceway to realize the cyclic utilization to the cooling water, reduce the waste to the cooling water, improve the availability factor of cooling water.

(3) This can carry out quick drawing of patterns graphite mould, through two motor reversals, make the mould break away from the bed die, then start hydraulic cylinder, hydraulic cylinder's flexible end promotes circular backup pad and upwards moves at the inner wall of last mould, and circular backup pad promotes the graphite crucible that the cooling finishes and breaks away from the inner wall of bed die to the convenience is taken to the graphite crucible that the cooling finishes, improves this graphite mould's convenience of use.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic top view of the upper surface of the processing pedestal of the present utility model;

fig. 3 is a schematic diagram showing the connection between the hydraulic cylinder and the lower die.

Reference numerals: 1. processing a base; 2. a first fixing plate; 3. a threaded rod; 4. a belt; 5. a motor; 6. a support plate; 7. a first water pipe; 8. a first water pump; 9. a first refrigeration tank; 10. a first pulley; 11. a second water pipe; 12. a mold box; 13. a guide rod; 14. a first connection plate; 15. a circular cover; 16. a feed pipe; 17. a second connecting plate; 18. a moving sleeve; 19. a water inlet pipe; 20. a second refrigeration tank; 21. a second pulley; 22. a guide hole; 23. a second water pump; 24. a third water pipe; 25. a lower die; 26. an upper die; 27. a waterproof board; 28. a hydraulic cylinder; 29. a spring; 30. a round supporting plate.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a graphite mould that can carry out quick drawing of patterns, including processing base 1, the centre of processing base 1 upper surface is provided with mould case 12, the lower fixed surface of mould case 12 is connected with four supporting legs, four supporting legs fixed connection is on the upper surface of processing base 1, the inside bottom fixedly connected with bed die 25 of mould case 12, the waterproof board 27 of corresponding setting from top to bottom has been cup jointed to the outer wall of bed die 25 fixedly, the equal fixed connection of surface of two waterproof boards 27 is on the inner wall of the inside of mould case 12, the centre of processing base 1 upper surface is provided with shedder, guiding hole 22 has all been seted up at the front and back both ends of mould case 12 upper surface, two guiding hole 22 correspond the setting for front and back, the left and right sides of mould case 12 all fixedly connected with two first fixed plates 2 that correspond from top to bottom, the opposite face of two corresponding setting first fixed plates 2 is provided with elevating gear, the front side that first fixed plate 2 was all kept away from to the left and right sides of mould case 12 all fixedly connected with backup pad 6, the upper surface of two backup pad 6 all fixedly connected with motor 5, the equal fixedly connected with motor 5 of motor 5, the equal fixedly connected with front and back surface of two backup pad 1 has the first cooling device that the two output end of cooling device is provided with on the surface of the first cooling device 1.

The demoulding device comprises a hydraulic cylinder 28, the hydraulic cylinder 28 is fixedly connected to the upper surface of the processing base 1, the telescopic end of the hydraulic cylinder 28 penetrates into the die box 12 in a sliding mode and penetrates into the lower die 25 in a sliding mode, the telescopic end of the hydraulic cylinder 28 located in the lower die 25 is fixedly connected with a round supporting plate 30, and the round supporting plate 30 is connected to the inner wall of the lower die 25 in a sliding mode.

The lifting device comprises two threaded rods 3, the two threaded rods 3 are respectively and rotatably connected to opposite surfaces of two upper and lower corresponding first fixing plates 2, the upper ends of the two threaded rods 3 respectively and rotatably penetrate through the upper surfaces of the two upper first fixing plates 2, the outer walls of the two threaded rods 3 are fixedly sleeved with second belt pulleys 21, the two second belt pulleys 21 are respectively and rotatably connected with the two first belt pulleys 10 through two belts 4, the upper ends of the outer walls of the two threaded rods 3 are respectively and rotatably sleeved with a movable sleeve 18, the two movable sleeves 18 are correspondingly arranged left and right, the opposite surfaces of the two movable sleeves 18 are fixedly connected with second connecting plates 17, the opposite surfaces of the two second connecting plates 17 are fixedly connected with round covers 15 matched with a lower die 25, the lower surface fixedly connected with upper mould 26 of circular lid 15, the equal fixedly connected with inlet pipe 16 of both sides around the circular lid 15 upper surface, the lower surface of circular lid 15 is all run through to two inlet pipes 16, the equal fixedly connected with first connecting plate 14 of front and back surface of circular lid 15, the equal fixedly connected with guide bar 13 of lower surface of two first connecting plates 14, the one end that two guide bars 13 all kept away from two first connecting plates 14 is sliding connection respectively in the inner wall of two guiding holes 22, the equal fixedly connected with spring 29 of one end that two guide bars 13 all are arranged in guiding hole 22 inner wall, the equal fixedly connected with of lower extreme of two springs 29 is on the inside bottom of guiding hole 22.

The circulating cooling device comprises a second cooling box 20 and a first cooling box 9, wherein the second cooling box 20 and the first cooling box 9 are fixedly connected to the upper surface of a processing base 1, the first cooling box 9 is positioned at the front side of a die box 12, the second cooling box 20 is positioned at the rear side of the die box 12, the upper surface of the second cooling box 20 is fixedly connected with a water inlet pipe 19, the water inlet pipe 19 is communicated with the interior of the second cooling box 20, the right end of the front side of the upper surface of the second cooling box 20 is fixedly connected with a second water pump 23, a water suction port of the second water pump 23 is communicated with the interior of the second cooling box 20, a water outlet of the second water pump 23 is fixedly connected with a third water pipe 24, one end of the third water pipe 24, which is far from the second water pump 23, penetrates into the interior of the die box 12, the upper surface of the first cooling box 9 is fixedly connected with a second water pipe 11, one end, which is far from the first water pipe 11, of the second water pipe 11 penetrates through the interior of the die box 12, the right end, which is far from the first water suction port 7, of the first water pump 8 is fixedly connected with the first water suction port 7, and the first water suction port 8 is far from the first cooling box 8, and the first water suction port 8 is fixedly connected with the first water pump 8.

When the graphite mould capable of rapidly demoulding is used, firstly, the two motors 5 are started to rotate positively, the two motors 5 drive the two first belt pulleys 10 to rotate, the two first belt pulleys 10 drive the two second belt pulleys 21 to rotate through the two belts 4, the two second belt pulleys 21 drive the two threaded rods 3 to rotate, the two threaded rods 3 drive the two movable sleeves 18 to move downwards, the two movable sleeves 18 drive the round cover 15 to move downwards integrally through the two second connecting plates 17, meanwhile, the round cover 15 drives the two first connecting plates 14 to move downwards, the two first connecting plates 14 drive the two guide rods 13 to compress the two springs 29 to move downwards through the inner walls of the two guide holes 22, the two guide rods 13 play a role in stabilizing and guiding the whole up-down movement of the round cover 15, after the lower mould 25 and the upper mould 26 are closed, then the graphite crucible raw material is injected into the die box 12 through the two feeding pipes 16 until the injection is finished, the second water pump 23 is started, the second water pump 23 pumps the cooling water in the second refrigeration box 20 into the die box 12 through the third water pipe 24, the cooling water in the die box 12 cools the outer surface of the lower die 25, so that the graphite crucible raw material in the lower die 25 is cooled, the forming of the graphite crucible is accelerated, the production efficiency of the graphite crucible is improved, the cooling water entering the die box 12 enters the first refrigeration box 9 through the second water pipe 11, the cooling water is cooled again, the first water pump 8 is started, the cooling water in the first refrigeration box 9 is pumped into the second refrigeration box 20 through the first water pipe 7 by the first water pump 8, the recycling of the cooling water is realized, reduce the waste to the cooling water, improve the availability factor of cooling water, finish when graphite crucible cooling, start two motors 5 reversal simultaneously, make go up mould 26 break away from bed die 25, then start hydraulic cylinder 28, the flexible end of hydraulic cylinder 28 promotes circular backup pad 30 and upwards moves at the inner wall of last mould 26, circular backup pad 30 promotes the graphite crucible that the cooling finishes and breaks away from the inner wall of bed die 25 to the convenience is taken to the graphite crucible that the cooling finishes, improves the convenience of use of this graphite mould.

Working principle: when the graphite mould capable of rapidly demoulding is used, firstly, the two motors 5 are started to rotate positively, the two motors 5 drive the two first belt pulleys 10 to rotate, the two first belt pulleys 10 drive the two second belt pulleys 21 to rotate through the two belts 4, the two second belt pulleys 21 drive the two threaded rods 3 to rotate, the two threaded rods 3 drive the two movable sleeves 18 to move downwards, the two movable sleeves 18 drive the round cover 15 to move downwards integrally through the two second connecting plates 17, meanwhile, the round cover 15 drives the two first connecting plates 14 to move downwards, the two first connecting plates 14 drive the two guide rods 13 to compress the two springs 29 to move downwards through the inner walls of the two guide holes 22, the two guide rods 13 play a role in stabilizing and guiding the whole up-down movement of the round cover 15, after the lower mould 25 and the upper mould 26 are closed, then the graphite crucible raw material is injected into the die box 12 through the two feeding pipes 16 until the injection is finished, the second water pump 23 is started, the second water pump 23 pumps the cooling water in the second refrigeration box 20 into the die box 12 through the third water pipe 24, the cooling water in the die box 12 cools the outer surface of the lower die 25, so that the graphite crucible raw material in the lower die 25 is cooled, the forming of the graphite crucible is accelerated, the production efficiency of the graphite crucible is improved, the cooling water entering the die box 12 enters the first refrigeration box 9 through the second water pipe 11, the cooling water is cooled again, the first water pump 8 is started, the cooling water in the first refrigeration box 9 is pumped into the second refrigeration box 20 through the first water pipe 7 by the first water pump 8, the recycling of the cooling water is realized, reduce the waste to the cooling water, improve the availability factor of cooling water, finish when graphite crucible cooling, start two motors 5 reversal simultaneously, make go up mould 26 break away from bed die 25, then start hydraulic cylinder 28, the flexible end of hydraulic cylinder 28 promotes circular backup pad 30 and upwards moves at the inner wall of last mould 26, circular backup pad 30 promotes the graphite crucible that the cooling finishes and breaks away from the inner wall of bed die 25 to the convenience is taken to the graphite crucible that the cooling finishes, improves the convenience of use of this graphite mould.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. Graphite mould that can carry out quick drawing of patterns, including processing base (1), its characterized in that: the middle of the upper surface of the processing base (1) is provided with a die box (12), the lower surface of the die box (12) is fixedly connected with four supporting legs, and the four supporting legs are fixedly connected to the upper surface of the processing base (1);

The bottom of the inside of the mold box (12) is fixedly connected with a lower mold (25), the outer wall of the lower mold (25) is fixedly sleeved with two waterproof plates (27) which are arranged up and down correspondingly, and the outer surfaces of the two waterproof plates (27) are fixedly connected to the inner wall of the inside of the mold box (12);

wherein, a demoulding device is arranged in the middle of the upper surface of the processing base (1);

The two front and rear ends of the upper surface of the die box (12) are respectively provided with a guide hole (22), the two guide holes (22) are correspondingly arranged front and rear, the left side and the right side of the die box (12) are fixedly connected with two first fixing plates (2) which are correspondingly arranged up and down, and the opposite surfaces of the two first fixing plates (2) which are correspondingly arranged up and down are provided with lifting devices;

Wherein, mould case (12) left and right sides all keeps away from front side of first fixed plate (2) and all fixedly connected with backup pad (6), and the equal fixedly connected with motor (5) of upper surface of two backup pads (6), the equal fixedly connected with first belt pulley (10) of output of two motors (5), both sides are provided with circulation cooling device around processing base (1) upper surface.

2. A graphite mold capable of rapid demolding as claimed in claim 1, wherein: the demolding device comprises a hydraulic cylinder (28), wherein the hydraulic cylinder (28) is fixedly connected to the upper surface of the processing base (1), and the telescopic end of the hydraulic cylinder (28) penetrates into the mold box (12) in a sliding manner and penetrates into the lower mold (25) in a sliding manner;

the hydraulic cylinder (28) is located at the telescopic end inside the lower die (25) and fixedly connected with a round supporting plate (30), and the round supporting plate (30) is slidably connected in the inner wall of the lower die (25).

3. A graphite mold capable of rapid demolding as claimed in claim 1, wherein: the lifting device comprises two threaded rods (3), the two threaded rods (3) are respectively and rotatably connected to opposite surfaces of the two first fixing plates (2) which are arranged up and down correspondingly, and the upper ends of the two threaded rods (3) respectively and rotatably penetrate through the upper surfaces of the two first fixing plates (2) positioned on the upper side;

the outer walls of the two threaded rods (3) are fixedly sleeved with second belt pulleys (21), the two second belt pulleys (21) are respectively connected with the two first belt pulleys (10) through two belts (4) in a transmission mode, the upper ends of the outer walls of the two threaded rods (3) are sleeved with movable sleeves (18) in a threaded mode, and the two movable sleeves (18) are arranged in a left-right corresponding mode.

4. A graphite mold capable of rapid demolding as claimed in claim 3, wherein: the opposite surfaces of the two movable sleeves (18) are fixedly connected with second connecting plates (17), and the opposite surfaces of the two second connecting plates (17) are fixedly connected with round covers (15) matched with the lower die (25);

Wherein, lower surface fixedly connected with goes up mould (26) of circular lid (15), the front and back both sides of circular lid (15) upper surface are all fixedly connected with inlet pipe (16), and the lower surface of circular lid (15) is all run through to two inlet pipes (16), and the front and back surface of circular lid (15) is all fixedly connected with first connecting plate (14).

5. A graphite mold capable of rapid demolding as claimed in claim 4, wherein: the lower surfaces of the two first connecting plates (14) are fixedly connected with guide rods (13), and one ends of the two guide rods (13), which are far away from the two first connecting plates (14), are respectively and slidably connected in the inner walls of the two guide holes (22);

Wherein, two guide bars (13) are located the one end in guiding hole (22) inner wall and all fixedly connected with spring (29), and the lower extreme of two springs (29) is all fixedly connected with on the bottom of guiding hole (22) inside.

6. A graphite mold capable of rapid demolding as claimed in claim 1, wherein: the circulating cooling device comprises a second cooling box (20) and a first cooling box (9), wherein the second cooling box (20) and the first cooling box (9) are fixedly connected to the upper surface of the processing base (1), the first cooling box (9) is positioned at the front side of the die box (12), and the second cooling box (20) is positioned at the rear side of the die box (12);

The upper surface of the second refrigeration box (20) is fixedly connected with a water inlet pipe (19), the water inlet pipe (19) is communicated with the interior of the second refrigeration box (20), the right end of the front side of the upper surface of the second refrigeration box (20) is fixedly connected with a second water pump (23), and a water suction port of the second water pump (23) is communicated with the interior of the second refrigeration box (20).

7. A graphite mold capable of rapid demolding as claimed in claim 6, wherein: the water outlet of the second water pump (23) is fixedly connected with a third water pipe (24), one end, far away from the second water pump (23), of the third water pipe (24) penetrates into the die box (12), the upper surface of the first refrigeration box (9) is fixedly connected with a second water pipe (11), and the second water pipe (11) is communicated with the interior of the first refrigeration box (9);

Wherein, one end that first refrigeration case (9) was kept away from to second raceway (11) is run through into the inside of mould case (12), the left lower extreme fixedly connected with first water pump (8) of first refrigeration case (9), the water sucking mouth of first water pump (8) communicates with each other with the inside of first refrigeration case (9), the delivery port fixedly connected with first raceway (7) of first water pump (8), one end that first refrigeration case (9) was kept away from to first raceway (7) is run through into the inside of second refrigeration case (20).