CN213763964U

CN213763964U - Internal cooling structure for precision mold

Info

Publication number: CN213763964U
Application number: CN202022774109.4U
Authority: CN
Inventors: 刘锐; 郭炎星
Original assignee: Kunshan Xinchengkang Precision Mould Co ltd
Current assignee: Kunshan Xinchengkang Precision Mould Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-23
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses an inside cooling structure for precision mold relates to precision mold technical field, for solving among the prior art when casting the work piece with precision mold, the temperature of the water of recycling can rise gradually and reduce the water-cooling effect, makes the slow problem of raw materials shaping. The air outlet is installed to the top of heat dissipation case, and just the heat dissipation case passes through bolt fixed connection with the air outlet, the internally mounted of air outlet has axial fan, and air outlet and axial fan pass through bolt fixed connection, the supporting leg is installed to the below of heat dissipation case, and just the heat dissipation case passes through bolt fixed connection with the supporting leg, the internally mounted of heat dissipation case has the ventilation grid, and just the heat dissipation case passes through bolt fixed connection with the ventilation grid, the internally mounted of heat dissipation case has first minute water pipe, and just the heat dissipation case passes through bolt fixed connection with first minute water pipe, the cooling tube is installed to the below of first minute water pipe, and first minute water pipe and cooling tube threaded connection.

Description

Internal cooling structure for precision mold

Technical Field

The utility model relates to an accurate mould technical field specifically is an inside cooling structure for accurate mould.

Background

The mould, the industrial production is used for getting various moulds and tools of the required product by injection moulding, blow moulding, extrusion, die-casting or forging forming, smelting, punching, etc., when some precise work pieces need to be cast, the matched precise mould is usually used for processing, the mould injects raw materials into the mould during the processing, after the material in the mould is cooled and formed, the mould is opened to take out the formed work piece.

At present, when a workpiece is cast by a precision die, injected raw materials are cooled by adopting a circulating water flow mode, so that the raw material forming is accelerated, but after long-time work, the temperature of a water body used in a circulating mode is gradually increased, the water cooling effect is reduced, and the raw material forming is slow; therefore, there is an urgent need in the market to develop an internal cooling structure for a precision mold to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inside cooling structure for precision mold to the temperature of the water of used cyclically can rise gradually and reduce the water-cooling effect when solving the precision mold casting work piece that proposes in the above-mentioned background art, makes the slow problem of raw materials shaping.

In order to achieve the above object, the utility model provides a following technical scheme: an internal cooling structure for a precision mold comprises a mounting base plate and a heat dissipation box, wherein an air outlet is arranged above the heat dissipation box, the heat dissipation box is fixedly connected with the air outlet through a bolt, an axial flow fan is arranged inside the air outlet, the air outlet is fixedly connected with the axial flow fan through a bolt, a supporting leg is arranged below the heat dissipation box, the heat dissipation box is fixedly connected with the supporting legs through bolts, a ventilation grille is arranged inside the heat dissipation box, the heat dissipation box is fixedly connected with the ventilation grating through bolts, a first water distribution pipe is arranged in the heat dissipation box, the heat dissipation box is fixedly connected with the first water distribution pipe through a bolt, a heat dissipation pipe is arranged below the first water distribution pipe, and first water diversion pipe and cooling tube threaded connection, die-casting aluminum sleeve pipe is installed in the outside of cooling tube, and cooling tube and die-casting aluminum sleeve pipe pass through bolt fixed connection.

Preferably, the fin is all installed to die-casting aluminium sheathed tube both sides, and die-casting aluminium sleeve pipe and fin spot welding are connected, the inside of fin is provided with the louvre, the second water distribution pipe is installed to the below of cooling tube, and cooling tube and second water distribution pipe threaded connection, the second water distribution pipe passes through bolt fixed connection with the heat dissipation case, third elastic hose is installed to one side of second water distribution pipe, and the second water distribution pipe passes through flange fixed connection with third elastic hose.

Preferably, the female die is installed above the installation bottom plate, the installation bottom plate is fixedly connected with the female die through bolts, a groove is formed in the female die, a water tank is arranged in the groove, a water return pipe is installed on one side of the water tank and fixedly connected with the water return pipe through a flange, a water pump is installed on one side of the water tank and fixedly connected with the water pump through a flange, a water outlet pipe is installed on one side of the water pump, and the water pump and the water outlet pipe are fixedly connected with each other through a flange.

Preferably, a second water channel is arranged in the female die and communicated with the water outlet pipe, a first elastic hose is installed on one side of the female die and fixedly connected with the female die through a connector, and the first elastic hose is communicated with the second water channel.

Preferably, a sub die is arranged above the female die, a material injection hole is formed in the sub die, a molding cavity is formed below the material injection hole, and the material injection hole is communicated with the molding cavity.

Preferably, a first water channel is arranged in the sub-die and communicated with the first elastic hose, a second elastic hose is installed on one side of the sub-die and fixedly connected with the sub-die through a bolt, and the second elastic hose is communicated with the first water channel and the first water distribution pipe respectively.

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

1. the utility model discloses a through cooling tube and die-casting aluminum sleeve's setting, increase the flow path length of circulating water, die-casting aluminum sleeve can increase the outside thermal efficiency of transmitting of the water in the cooling tube, improve the radiating effect of water, the fin of die-casting aluminum sleeve side-mounting simultaneously, can come the intraductal heat transfer of die-casting aluminum sleeve, make the heat taken away through the distinguished and admirable, and then dispel the heat to die-casting aluminum sleeve, make die-casting aluminum sleeve last heat-sinking capability increase, improve the radiating stability of the intraductal water of cooling tube.

2. The utility model discloses a through the setting of first water course and second water course, make the inside of master model and submodule all be provided with cooling tube, improved the inside cooling effect of mould, first water course and second water course distribute in the upper and lower both sides in one-tenth die cavity simultaneously, make one-tenth die cavity wrapped up in the centre, can increase the cooling rate of raw materials, improve casting efficiency.

Drawings

Fig. 1 is a front view of an internal cooling structure for a precision mold according to the present invention;

fig. 2 is a sectional view of an internal cooling structure for a precision mold according to the present invention;

FIG. 3 is an enlarged schematic view of the part A of the present invention;

fig. 4 is a top cross-sectional view of the heat pipe of the present invention.

In the figure: 1. mounting a bottom plate; 2. a female die; 3. a first flexible hose; 4. a sub-mold; 5. a second flexible hose; 6. an air outlet; 7. a heat dissipation box; 8. supporting legs; 9. a third flexible hose; 10. a groove; 11. a water tank; 12. a water return pipe; 13. a water pump; 14. a water outlet pipe; 15. a first water channel; 16. a second water channel; 17. a molding cavity; 18. a material injection hole; 19. an axial flow fan; 20. a first water diversion pipe; 21. a radiating pipe; 22. die-casting an aluminum sleeve; 23. a second water dividing pipe; 24. a ventilation grille; 25. a heat sink; 26. and (4) heat dissipation holes.

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. 1-4, the present invention provides an embodiment: an internal cooling structure for a precision mold comprises a mounting base plate 1 and a heat dissipation box 7, wherein an air outlet 6 is arranged above the heat dissipation box 7, the heat dissipation box 7 is fixedly connected with the air outlet 6 through a bolt, an axial flow fan 19 is arranged inside the air outlet 6, the air outlet 6 is fixedly connected with the axial flow fan 19 through a bolt, a supporting leg 8 is arranged below the heat dissipation box 7, the heat dissipation box 7 is fixedly connected with the supporting leg 8 through a bolt, a ventilation grille 24 is arranged inside the heat dissipation box 7, the heat dissipation box 7 is fixedly connected with the ventilation grille 24 through a bolt, a first water distribution pipe 20 is arranged inside the heat dissipation box 7, the heat dissipation box 7 is fixedly connected with the first water distribution pipe 20 through a bolt, a heat dissipation pipe 21 is arranged below the first water distribution pipe 20, the first water distribution pipe 20 is in threaded connection with the heat dissipation pipe 21, and a die-cast aluminum sleeve 22 is arranged outside the heat dissipation pipe 21, and the radiating pipe 21 is fixedly connected with the die-cast aluminum sleeve 22 by bolts.

Further, fin 25 is all installed to die-cast aluminium sleeve 22's both sides, and die-cast aluminium sleeve 22 is connected with fin 25 spot welding, fin 25's inside is provided with louvre 26, second water distribution pipe 23 is installed to the below of cooling tube 21, and cooling tube 21 and second water distribution pipe 23 threaded connection, second water distribution pipe 23 passes through bolt fixed connection with heat dissipation case 7, third elastic hose 9 is installed to one side of second water distribution pipe 23, and second water distribution pipe 23 and third elastic hose 9 pass through flange fixed connection, louvre 26's setting, can reduce the air flow resistance, accelerate fin 25's radiating rate.

Further, master model 2 is installed to the top of mounting plate 1, and mounting plate 1 passes through bolt fixed connection with master model 2, the inside of master model 2 is provided with recess 10, the inside of recess 10 is provided with water tank 11, wet return 12 is installed to one side of water tank 11, and water tank 11 passes through flange fixed connection with wet return 12, water pump 13 is installed to one side of water tank 11, and water tank 11 passes through flange fixed connection with water pump 13, outlet pipe 14 is installed to one side of water pump 13, and water pump 13 passes through flange fixed connection with outlet pipe 14, water pump 13 adopts high-power water pump, make the water can upwards carry.

Further, the inside of master model 2 is provided with second water course 16, second water course 16 and outlet pipe 14 intercommunication, first elastic hose 3 is installed to one side of master model 2, and master model 2 passes through joint fixed connection with first elastic hose 3, and first elastic hose 3 and second water course 16 intercommunication, first elastic hose 3 adopt the hose that has the steel wire layer, increase first elastic hose 3 tensile strength, prevent that first elastic hose 3 from taking place the damage after working for a long time.

Further, the upper side of the female die 2 is provided with the sub-die 4, the inner part of the sub-die 4 is provided with the material injection hole 18, the lower side of the material injection hole 18 is provided with the molding cavity 17, the material injection hole 18 is communicated with the molding cavity 17, the molding cavity 17 is formed by closing the female die 2 and the sub-die 4, and after a workpiece is molded, the workpiece can be taken out by separating the female die 2 from the sub-die 4.

Further, the inside of submodule 4 is provided with first water course 15, and first water course 15 and first elastic hose 3 intercommunication, second elastic hose 5 is installed to one side of submodule 4, and submodule 4 passes through bolt fixed connection with second elastic hose 5, second elastic hose 5 respectively with first water course 15, first water-dividing pipe 20 intercommunication, second elastic hose 5 adopts the hose that has the steel wire layer, increase 5 tensile strength of second elastic hose, prevent that second elastic hose 5 from taking place the damage after working for a long time.

The working principle is as follows: when the water cooling device is used, the female die 2 and the sub-die 4 are closed, raw materials are injected into the forming cavity 17 through the material injection hole 18, the water pump 13 is started, water in the water tank 11 enters the water outlet pipe 14 through the transmission of the water pump 13 and then enters the second water channel 16 to cool the interior of the female die, then the water enters the first water channel 15 through the conveying of the first elastic hose 3 to cool the interior of the sub-die, the forming speed of the raw materials is accelerated, the water enters the first water distributing pipe 20 of the heat radiating box 7 through the conveying of the second elastic hose 5 and is distributed into the heat radiating pipe 21, the die-cast aluminum sleeve 22 absorbs heat of the water in the heat radiating pipe 21 through heat transfer to cool the water, the heat is transferred into the heat radiating fins 25 through the heat transfer, the axial flow fan 19 is started to generate vertically upward air flow in the heat radiating box 7, and the air flow passes through the heat radiating holes 26 in the heat radiating fins 25, the heat in the radiating fins 25 is taken away, so that the die-cast aluminum sleeve 22 can continuously absorb the heat of the water in the radiating pipe 21, and the cooled water enters the second water dividing pipe 23 and is conveyed to the water tank 11 through the third elastic hose 9 and the water return pipe 12.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An internal cooling structure for a precision mold, comprising a mounting baseplate (1) and a heat dissipation box (7), characterized in that: the air outlet (6) is installed above the heat dissipation box (7), the heat dissipation box (7) is fixedly connected with the air outlet (6) through a bolt, the axial flow fan (19) is installed inside the air outlet (6), the air outlet (6) is fixedly connected with the axial flow fan (19) through a bolt, the supporting leg (8) is installed below the heat dissipation box (7), the heat dissipation box (7) is fixedly connected with the supporting leg (8) through a bolt, the ventilation grille (24) is installed inside the heat dissipation box (7), the heat dissipation box (7) is fixedly connected with the ventilation grille (24) through a bolt, the first water diversion pipe (20) is installed inside the heat dissipation box (7), the heat dissipation box (7) is fixedly connected with the first water diversion pipe (20) through a bolt, the heat dissipation pipe (21) is installed below the first water diversion pipe (20), and the first water diversion pipe (20) is in threaded connection with the heat dissipation pipe (21), die-casting aluminium sleeve pipe (22) are installed in the outside of cooling tube (21), and cooling tube (21) and die-casting aluminium sleeve pipe (22) pass through bolt fixed connection.

2. An internal cooling structure for a precision mold according to claim 1, characterized in that: fin (25) are all installed to the both sides of die-casting aluminium sleeve pipe (22), and die-casting aluminium sleeve pipe (22) and fin (25) spot welding are connected, the inside of fin (25) is provided with louvre (26), second water distribution pipe (23) is installed to the below of cooling tube (21), and cooling tube (21) and second water distribution pipe (23) threaded connection, bolt fixed connection is passed through with heat dissipation case (7) in second water distribution pipe (23), third elastic hose (9) are installed to one side of second water distribution pipe (23), and second water distribution pipe (23) and third elastic hose (9) pass through flange fixed connection.

3. An internal cooling structure for a precision mold according to claim 1, characterized in that: female mould (2) are installed to the top of mounting plate (1), and mounting plate (1) and female mould (2) pass through bolt fixed connection, the inside of female mould (2) is provided with recess (10), the inside of recess (10) is provided with water tank (11), wet return (12) are installed to one side of water tank (11), and water tank (11) and wet return (12) pass through flange fixed connection, water pump (13) are installed to one side of water tank (11), and water tank (11) and water pump (13) pass through flange fixed connection, outlet pipe (14) are installed to one side of water pump (13), and water pump (13) and outlet pipe (14) pass through flange fixed connection.

4. An internal cooling structure for a precision mold according to claim 3, characterized in that: the water outlet device is characterized in that a second water channel (16) is arranged inside the female die (2), the second water channel (16) is communicated with the water outlet pipe (14), a first elastic hose (3) is installed on one side of the female die (2), the female die (2) is fixedly connected with the first elastic hose (3) through a connector, and the first elastic hose (3) is communicated with the second water channel (16).

5. An internal cooling structure for a precision mold according to claim 4, characterized in that: the mould is characterized in that a sub-mould (4) is arranged above the female mould (2), a material injection hole (18) is formed in the sub-mould (4), a forming cavity (17) is formed below the material injection hole (18), and the material injection hole (18) is communicated with the forming cavity (17).

6. An internal cooling structure for a precision mold according to claim 5, characterized in that: the water distribution sub-die is characterized in that a first water channel (15) is arranged inside the sub-die (4), the first water channel (15) is communicated with the first elastic hose (3), a second elastic hose (5) is installed on one side of the sub-die (4), the sub-die (4) is fixedly connected with the second elastic hose (5) through bolts, and the second elastic hose (5) is communicated with the first water channel (15) and the first water distribution pipe (20) respectively.