CN213591715U

CN213591715U - Die-casting die

Info

Publication number: CN213591715U
Application number: CN202022041920.1U
Authority: CN
Inventors: 廖名修
Original assignee: Kunshan Suikai Precision Mould Co ltd
Current assignee: Kunshan Suikai Precision Mould Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-07-02
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a die casting die uses at mould technical field, and its technical scheme main points are: the upper die is provided with an upper die cavity, the lower die is provided with a lower die cavity spliced with the upper die cavity, a forming cavity for forming a workpiece is formed between the upper die cavity and the lower die cavity, the top side of the upper die is provided with a pouring gate, and the upper die is internally provided with a flow passage communicated with the pouring gate and the upper die cavity; has the technical effects that: the air pump pumps the heat in the first heat storage tank and the second heat storage tank into the waste heat recovery box for storage, so that the possibility of resource waste caused by direct emission of the heat to the outside is reduced.

Description

Die-casting die

Technical Field

The utility model relates to the technical field of mold, in particular to die casting die.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".

The blank is formed into a tool with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated or combined. When the blank is closed, the blank is injected into the die cavity for forming. The die is a precise tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, and the development level of die production is one of important marks of the mechanical manufacturing level.

The Chinese patent publication No. CN208322047U discloses a die-casting die, which solves the problem that the surface quality of a lamp holder is reduced because a melt can directly rush into a forming cavity through an outer sprue, and the technical scheme is characterized in that the die-casting die comprises an upper die provided with the outer sprue and a lower die spliced with the upper die, the forming cavity used for forming the lamp holder is formed between the upper die and the lower die, the outer sprue is connected with the forming cavity through a runner, the runner comprises a first channel, a second channel and a third channel, the first channel is arranged on the upper die and communicated with the outer sprue, the second channel is arranged on the lower die and is in turning connection with the first channel, the third channel is in turning connection with the second channel and is communicated with the middle of the side wall of the forming cavity, the horizontal section of the third channel along the melt flowing direction is gradually increased, and a guide inclined plane protruding towards the third channel. When the die-casting die is used for cooling and forming a finished product, heat is directly emitted to the outside, so that the heat cannot be recycled, and resources are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a die casting die, its advantage is: the heat released when the mold is cooled and molded can be recycled, and the effect of saving resources is achieved.

The above technical purpose of the present invention can be achieved by the following technical solutions: a die-casting die comprises an upper die and a lower die spliced with the upper die, wherein an upper die cavity is arranged on the upper die, the lower die is provided with a lower die cavity which is spliced with the upper die cavity, a forming cavity for forming a workpiece is formed between the upper die cavity and the lower die cavity, a pouring gate is arranged on the top side of the upper die, a flow passage communicated with the pouring gate and the upper cavity is arranged in the upper die, a first heat storage groove is arranged at the periphery of the upper cavity in the upper die, a second heat storage groove spliced with the first heat storage groove is arranged at the periphery of the lower cavity in the lower die, an air pump is arranged on the outer wall of the upper die and extends into the second heat storage groove through an air pump pipe, one end of the exhaust pipe extending into the second heat storage tank is sleeved with a gas collecting hood, the outer wall of the upper die is provided with a waste heat recovery tank, and the exhaust pump is communicated with the waste heat recovery tank through a guide pipe.

Through the technical scheme, when the finished product is required to be molded, pour metal melt into the runner from the sprue gate, metal melt flows into the molding cavity that upper die cavity and lower die cavity formed from the runner, the cooling shaping is the finished product, the heat that gives out after the cooling is gathered in the enclosure space that first heat storage tank and second heat storage tank formed, the drive aspiration pump bleeds, the aspiration pump passes through the exhaust tube, the gas collecting channel increases the area of contact of exhaust tube and steam, make steam take out more fast, the heat in first heat storage tank and the second heat storage tank is taken out to waste heat recovery incasement with the exhaust pump and is stored, reduce the possibility that the external wasting of resources is brought in the direct discharge of heat.

The utility model discloses further set up to: and the outer side walls of the upper die and the lower die are respectively sleeved with a heat insulation sleeve.

Through above-mentioned technical scheme, the insulation cover plays the heat preservation effect to last mould and bed die for mould heat preservation and sealed effect are better, have reduced steam and have discharged the possibility that the external wasting of resources brought.

The utility model discloses further set up to: the utility model discloses a mould, including last mould, first heat storage tank, water-cooling pipe, second heat storage tank, water-cooling pipe, last mould, install the storage water tank on the outer wall of going up the mould, the storage water tank lets in the second heat storage tank through the drinking-water pipe even, be equipped with the suction pump that is used for drawing water on the drinking-water pipe, the one end intercommunication that the drinking-water pipe stretched into in the second radiating groove has the water-cooling pipe, the water-cooling pipe adsorbs one side at last die cavity towards first heat storage tank.

Through above-mentioned technical scheme, when needing to the shaping of fuse-element cooling, operating personnel drive suction pump, in the water-cooling pipe was taken out with the cold water in the storage water tank to the suction pump, water-cooling pipe and last die cavity direct contact, through the heat-conduction of cold water, fast to the heat cooling in shaping chamber, improve the cooling efficiency of fuse-element.

The utility model discloses further set up to: one end of the water cooling pipe extending into the outer side of the upper die is connected with a hot water recovery tank, and the hot water recovery tank is connected to the outer wall of the upper die.

Through above-mentioned technical scheme, through heat-conducting water, carry hot water recovery case through the water-cooled tube in, hot water recovery case plays the storage effect to hot water, has improved thermal recovery and has recycled the effect.

The utility model discloses further set up to: the waste heat recovery device is characterized in that a sponge adsorption pad is installed on the inner wall of the waste heat recovery box, and a large amount of heat absorbent is placed on the bottom wall of the inner side of the waste heat recovery box.

Through above-mentioned technical scheme, the sponge adsorption pad plays the absorption to steam, and the heat absorbent further absorbs the heat and stores, has improved the steam storage of waste heat recovery case and has recycled the effect.

The utility model discloses further set up to: the outer wall of the waste heat recovery tank is fixedly provided with a heat insulation layer, and the surface of the waste heat recovery tank is provided with a warning mark for warning.

Through above-mentioned technical scheme, the insulating layer plays thermal-insulated effect to waste heat recovery case, avoids operating personnel direct contact to waste heat recovery case's outer wall to bring the possibility of scalding, and the warning sign plays the warning effect to operating personnel, avoids misoperation mistake to touch waste heat recovery case and the possibility of burning.

To sum up, the utility model discloses following beneficial effect has:

1. when a finished product is required to be molded, a metal melt is poured into the runner from the pouring port, the metal melt flows into a molding cavity formed by the upper cavity and the lower cavity from the runner, the finished product is formed by cooling, heat emitted after cooling is accumulated in a closed space formed by the first heat storage tank and the second heat storage tank, the air pump is driven to pump air, the air pump passes through the air exhaust pipe, the air collecting hood increases the contact area between the air exhaust pipe and hot air, the hot air is pumped out more quickly, the air exhaust pump pumps the heat in the first heat storage tank and the second heat storage tank into the waste heat recovery box for storage, and the possibility of resource waste caused by direct discharge of the heat to the outside is reduced;

2. the insulating layer plays thermal-insulated effect to waste heat recovery case, avoids operating personnel direct contact to waste heat recovery case's outer wall to bring the possibility of scalding, and the warning sign plays the warning effect to operating personnel, avoids misoperation mistake to touch waste heat recovery case and the possibility of burning.

Drawings

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

Reference numerals: 1. an upper die; 2. a lower die; 3. an upper cavity; 4. a lower cavity; 5. a pouring gate; 6. A flow channel; 7. a first heat storage tank; 8. a second heat storage tank; 9. an air pump; 10. an air exhaust pipe; 11. a gas-collecting hood; 12. a waste heat recovery tank; 13. a thermal insulation sleeve; 14. a water storage tank; 15. a water pump; 16. a water-cooled tube; 17. a hot water recovery tank; 18. a sponge adsorption pad; 19. an endothermic agent; 20. a thermal insulation layer; 21. a water pumping pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): referring to fig. 1, fig. 1 is a schematic view of the overall structure of the present embodiment. A die casting die comprises an upper die 1 and a lower die 2 spliced with the upper die 1, wherein an upper die cavity 3 is arranged on the upper die 1, a lower die cavity 4 spliced with the upper die cavity 3 is arranged on the lower die 2, a forming cavity for forming a workpiece is formed between the upper die cavity 3 and the lower die cavity 4, a pouring gate 5 is arranged on the top side of the upper die 1, a runner 6 communicated with the pouring gate 5 and the upper die cavity 3 is arranged in the upper die 1, a first heat storage groove 7 is arranged at the periphery of the upper die cavity 3 in the upper die 1, a second heat storage groove 8 spliced with the first heat storage groove 7 is arranged at the periphery of the lower die cavity 4 in the lower die 2, an air suction pump 9 is fixedly connected to the outer wall of the upper die 1, the air suction pump 9 extends into the second heat storage groove 8 through an air suction pipe 10, a gas collecting hood 11 is sleeved at one end of the air suction pipe 10 extending into the second heat storage groove 8, and a waste heat recovery box 12 is detachably connected to the outer wall of the upper die 1, the air extracting pump 9 is communicated with the waste heat recovery box 12 through a conduit, the outer side walls of the upper die 1 and the lower die 2 are respectively sleeved with a heat insulating sleeve 13, when a finished product is required to be formed, a metal melt is poured into the runner 6 from the pouring port 5, the metal melt flows into a forming cavity formed by the upper die cavity 3 and the lower die cavity 4 from the runner 6, the finished product is formed by cooling and forming, heat emitted after cooling is accumulated in a closed space formed by the first heat storage tank 7 and the second heat storage tank 8, the air extracting pump 9 is driven to extract air, the air extracting pump 9 increases the contact area between the air extracting pipe 10 and hot air through the air extracting pipe 10 and the air collecting hood 11, so that the hot air is extracted more quickly, the air extracting pump 9 extracts the heat in the first heat storage tank 7 and the second heat storage tank 8 into the waste heat recovery box 12 for storage, the possibility that the heat is directly discharged to the outside to bring resources is reduced, and the heat insulating sleeve 13 plays a role in, the mold has better heat preservation and sealing effects, and the possibility of resource waste caused by the emission of hot air to the outside is reduced.

Further, a water storage tank 14 is installed on the outer wall of the upper mold 1, the water storage tank 14 is communicated with the second heat storage tank 8 through a water pumping pipe 21, a water pumping pump 15 for pumping water is fixedly connected to the water pumping pipe 21, one end of the water pumping pipe 21 extending into the second heat dissipation tank is communicated with a water cooling pipe 16, the water cooling pipe 16 is adsorbed on one side of the upper mold cavity 3 facing the first heat storage tank 7, one side of the water cooling pipe 16 far away from the water pumping pipe 21 extends out of the upper mold 1, one end of the water cooling pipe 16 extending into the outer side of the upper mold 1 is connected with a hot water recovery tank 17, the hot water recovery tank 17 is connected to the outer wall of the upper mold 1, when the melt is required to be cooled and formed, an operator drives the water pumping pump 15, the water pumping pump 15 pumps the cold water in the water storage tank 14 into the water cooling pipe 16, the water cooling pipe 16 is in direct contact with the upper mold cavity 3, through heat-conducting water, carry hot water to hot water recovery tank 17 in through water-cooled tube 16, hot water recovery tank 17 plays the storage effect to hot water, has improved thermal recovery and has recycled the effect.

Further, install sponge adsorption pad 18 on the inner wall of waste heat recovery case 12, a large amount of endothermic agents 19 have been placed on the inboard diapire of waste heat recovery case 12, endothermic agents 19 adopt paraffin material, sponge adsorption pad 18 plays the absorbing action to steam, endothermic agents 19 further store the heat absorption, the steam storage recycling effect of waste heat recovery case 12 has been improved, fixedly connected with insulating layer 20 on the outer wall of waste heat recovery case 12, the material that insulating layer 20 adopted is the asbestos, and be provided with the warning sign of warning usefulness on the surface, insulating layer 20 plays thermal-insulated effect to waste heat recovery case 12, the possibility of scald is brought to the outer wall of avoiding operating personnel direct contact to waste heat recovery case 12, the warning sign plays the warning effect to operating personnel, avoid misoperation to miss the possibility of touching waste heat recovery case 12 and burning.

The method comprises the following operation steps: when a finished product is required to be molded, a metal melt is poured into the flow channel 6 from the pouring gate 5, the metal melt flows into the molding cavity formed by the upper cavity 3 and the lower cavity 4 from the flow channel 6, the metal melt is cooled and molded into a finished product, heat dissipated after cooling is accumulated in a closed space formed by the first heat storage tank 7 and the second heat storage tank 8, the air extracting pump 9 is driven to extract air, the air extracting pump 9 passes through the air extracting pipe 10, the air collecting cover 11 increases the contact area of the air extracting pipe 10 and the hot air, the hot air is extracted more quickly, the air extracting pump 9 extracts the heat in the first heat storage tank 7 and the second heat storage tank 8 into the waste heat recovery box 12 for storage, and the possibility of resource waste caused by direct emission of the heat to the outside is reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The die-casting die is characterized in that: the hot-pressing die comprises a lower die (2) spliced by an upper die (1) and the upper die (1), wherein an upper cavity (3) is formed in the upper die (1), a lower cavity (4) spliced with the upper cavity (3) is formed in the lower die (2), a forming cavity for forming a workpiece is formed between the upper cavity (3) and the lower cavity (4), a pouring gate (5) is formed in the top side of the upper die (1), a runner (6) communicated with the pouring gate (5) and the upper cavity (3) is formed in the upper die (1), a first heat storage groove (7) is formed in the upper die (1) and positioned around the upper cavity (3), a second heat storage groove (8) spliced with the first heat storage groove (7) is formed in the lower die (2) and positioned around the lower cavity (4), and an air suction pump (9) is arranged on the outer wall of the upper die (1), the exhaust pump (9) extends into the second heat storage tank (8) through the exhaust pipe (10), one end of the exhaust pipe (10) extending into the second heat storage tank (8) is sleeved with the gas collecting hood (11), the outer wall of the upper die (1) is provided with the waste heat recovery box (12), and the exhaust pump (9) is communicated with the waste heat recovery box (12) through a guide pipe.

2. A die casting mold as claimed in claim 1, wherein: the outer side walls of the upper die (1) and the lower die (2) are respectively sleeved with a heat insulation sleeve (13).

3. A die casting mold as claimed in claim 1, wherein: go up and install storage water tank (14) on the outer wall of mould (1), storage water tank (14) are even let in second heat storage tank (8) through drinking-water pipe (21), be equipped with on drinking-water pipe (21) and be used for the suction pump (15) that draw water, the one end intercommunication that drinking-water pipe (21) stretched into in the second radiating groove has water-cooled tube (16), water-cooled tube (16) adsorb in last die cavity (3) one side towards first heat storage tank (7), one side that drinking-water pipe (21) were kept away from in water-cooled tube (16) extends outside last mould (1).

4. A die casting mold as claimed in claim 3, wherein: one end of the water cooling pipe (16) extending into the outer side of the upper die (1) is connected with a hot water recovery tank (17), and the hot water recovery tank (17) is connected to the outer wall of the upper die (1).

5. A die casting mold as claimed in claim 1, wherein: the waste heat recovery device is characterized in that a sponge adsorption pad (18) is arranged on the inner wall of the waste heat recovery box (12), and a large amount of heat absorbent (19) is placed on the bottom wall of the inner side of the waste heat recovery box (12).

6. A die casting mold as claimed in claim 1, wherein: the outer wall of the waste heat recovery tank (12) is fixedly provided with a heat insulation layer (20), and the surface of the waste heat recovery tank is provided with a warning mark for warning.