CN215786662U

CN215786662U - Die casting die with water cooling function

Info

Publication number: CN215786662U
Application number: CN202122031817.3U
Authority: CN
Inventors: 张作坚
Original assignee: Dongguan Hongwei Precision Hardware Products Co ltd
Current assignee: Dongguan Hongwei Precision Hardware Products Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-11
Anticipated expiration: 2031-08-26

Abstract

The utility model provides a water-cooling heat-dissipation die-casting die which comprises an upper die and a lower die, wherein the upper die comprises a top plate and an upper die core positioned in the middle of the lower end of the top plate, a first channel is arranged on the inner side of a carrier plate and wound on the outer side of the lower die core, the lower sides of two ends of the first channel are respectively connected with a second channel and a third channel, the second channel and the third channel are both positioned on the upper side of an avoidance area, the lower ends of the second channel and the third channel are respectively connected with a first ceramic sleeve and a second ceramic sleeve, the lower end of the first ceramic sleeve is connected with a water inlet, the lower end of the second ceramic sleeve is connected with a water outlet, the lower end of the carrier plate is provided with a sliding groove, a heat-conducting graphite sheet is arranged in the sliding groove, and the lower end of the heat-conducting graphite sheet is connected with an aluminum alloy heat-conducting column. The die casting die has high heat dissipation efficiency through water cooling, and the water inlet interface and the water drainage interface are arranged at the bottom, so that the problem of water accumulation can be solved.

Description

Die casting die with water cooling function

Technical Field

The utility model relates to the technical field of die-casting molds, in particular to a water-cooling heat-dissipation die-casting mold.

Background

The alloy product is a common daily product, and is widely applied to the fields of household products, medical equipment, building materials, sports equipment and the like due to the advantages of high strength, good durability, strong assembly and the like. In the manufacturing process of the alloy product, the alloy material in a molten state is generally uniformly stirred at a certain temperature, then the alloy material is injected into a die-casting die, the alloy material is formed in a cavity of the die-casting die, a formed alloy product is obtained after cooling and solidification, and then the alloy product is pushed down from the die-casting die through an ejector pin. Conventional die casting die, in order to improve the radiating efficiency of mould, increase a circulating line usually in the mould, the circulating line both ends respectively with inlet tube, water piping connection, because circulating line parallel puts, lead to ponding in the circulating line to be difficult to discharge, during dismouting inlet tube, drain pipe, ponding makes the mould wet easily, has great defect.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides the die-casting die with the water-cooling heat dissipation function, the heat dissipation efficiency is high through the water-cooling heat dissipation, and the water inlet interface and the water drainage interface are arranged at the bottom, so that the problem of water accumulation can be solved.

In order to achieve the purpose, the utility model is solved by the following technical scheme:

the utility model provides a water-cooling die casting die, includes mould, lower mould, go up the mould and include the roof, be located the upper die benevolence at roof lower extreme middle part, the lower mould includes the support plate, fixes the lower mould benevolence at support plate upper end middle part, fix first supporting seat, the second supporting seat of support plate downside, go up mould benevolence with cooperate between the lower mould benevolence and form a die cavity, form one between first supporting seat, the second supporting seat and dodge the region, be equipped with the push pedal in dodging the region, be connected with the thimble in the push pedal, thimble upper end can extend to the die cavity is inboard, the support plate inboard is equipped with first passageway, first passageway is around establishing the lower mould benevolence outside, first passageway both ends downside is connected with second passageway, third passageway respectively, second passageway, third passageway all are located dodge regional upside, second passageway, The lower end of the third channel is respectively connected with a first ceramic sleeve and a second ceramic sleeve, a first avoidance hole for the first ceramic sleeve and the second ceramic sleeve to pass through is formed in the push plate, the lower end of the first ceramic sleeve is connected with a water inlet, the lower end of the second ceramic sleeve is connected with a water drainage port, a sliding groove is formed in the lower end of the support plate, a heat conduction graphite sheet is arranged in the sliding groove, the lower end of the heat conduction graphite sheet is connected with an aluminum alloy heat conduction column, and a second avoidance hole for the aluminum alloy heat conduction column to pass through is formed in the push plate.

Specifically, the middle of the upper end of the upper die core is provided with a feed inlet, the lower end of the feed inlet is connected with a flow passage, and the lower end of the flow passage is communicated with the die cavity.

Specifically, a cylinder is fixed on the outer side of the support plate, the output end of the cylinder is connected with a push block, and the push block is fixedly connected with the push plate.

Specifically, the upper ends of the first ceramic bushing and the second ceramic bushing are in threaded connection with the support plate.

Specifically, both sides of the top plate are provided with notch grooves, a plurality of through holes which are communicated up and down are further formed in both sides of the top plate, and air holes are formed between the through holes and the notch grooves.

The utility model has the beneficial effects that:

1. according to the die-casting die, the first channel is arranged on the inner side of the support plate, the lower sides of the two ends of the first channel are respectively connected with the second channel and the third channel, the lower ends of the second channel and the third channel are respectively connected with the first ceramic sleeve and the second ceramic sleeve, the lower end of the first ceramic sleeve is connected with the water inlet interface, the lower end of the second ceramic sleeve is connected with the water drainage interface, the water inlet pipe is connected with the water inlet interface, the water drainage pipe is connected with the water drainage interface, the water inlet interface and the water drainage interface are arranged at the bottom of the die, when the water cooling operation is stopped, water in the first channel can be drained, and the problem that accumulated water exists in the first channel is solved;

2. the lower end of the support plate is provided with the sliding groove, the heat conducting graphite sheet is arranged in the sliding groove, the lower end of the heat conducting graphite sheet is connected with the aluminum alloy heat conducting column, after die casting is completed, heat in the cavity can be quickly transferred to the outside through the heat conducting graphite sheet and the aluminum alloy heat conducting column, and the cooling speed of a die casting product is improved;

3. the edges of the two sides of the top plate are provided with notch grooves, the two sides of the top plate are also provided with a plurality of through holes which are vertically communicated, and air holes are connected between the through holes and the notch grooves, so that the heat dissipation efficiency of the die is improved.

Drawings

Fig. 1 is a top view of a die casting mold for water cooling of the present invention.

Fig. 2 is a cross-sectional view taken along the plane a-a in fig. 1.

Fig. 3 is a front view of a water-cooled die casting mold according to the present invention.

The reference signs are: the mold comprises an upper mold 1, a top plate 11, a notch groove 111, a through hole 112, an air hole 113, an upper mold core 12, a cavity 121, a feed inlet 101, a flow channel 102, a lower mold 2, a carrier plate 21, a first channel 211, a second channel 212, a third channel 213, a lower mold core 22, a first supporting seat 23, a second supporting seat 24, an avoiding region 231, a push plate 3, a thimble 31, a first ceramic bushing 4, a water inlet port 41, a second ceramic bushing 5, a water drainage port 51, a heat-conducting graphite sheet 6, an aluminum alloy heat-conducting column 7, an air cylinder 8 and a push block 81.

Detailed Description

The present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-3:

a water-cooling heat-dissipation die-casting die comprises an upper die 1 and a lower die 2, wherein the upper die 1 comprises a top plate 11 and an upper die core 12 positioned in the middle of the lower end of the top plate 11, the lower die 2 comprises a carrier plate 21, a lower die core 22 fixed in the middle of the upper end of the carrier plate 21, a first supporting seat 23 and a second supporting seat 24 fixed on the lower side of the carrier plate 21, a cavity 121 is formed between the upper die core 12 and the lower die core 22 in a matching manner, an avoiding area 231 is formed between the first supporting seat 23 and the second supporting seat 24, a push plate 3 is arranged in the avoiding area 231, an ejector pin 31 is connected to the push plate 3, the upper end of the ejector pin 31 can extend to the inner side of the cavity 121, a first channel 211 is arranged on the inner side of the carrier plate 21, the first channel 211 is wound on the outer side of the lower die core 22, the lower sides of two ends of the first channel 211 are respectively connected with a second channel 212 and a third channel 213, the second channel 212 and the third channel 213 are positioned on the upper side of the avoiding area 231, and the second channel 212 and the third channel 213, The lower end of the third channel 213 is connected with a first ceramic sleeve 4 and a second ceramic sleeve 5 respectively, a first avoidance hole for the first ceramic sleeve 4 and the second ceramic sleeve 5 to pass through is arranged on the push plate 3, the lower end of the first ceramic sleeve 4 is connected with a water inlet interface 41, the lower end of the second ceramic sleeve 5 is connected with a water outlet interface 51, the water inlet interface 41 is used for connecting a water inlet pipe, the water outlet interface 51 is used for connecting a water outlet pipe, cold water is introduced into the water outlet interface 51 through the water inlet pipe after die casting is completed, the cold water passes through the first ceramic sleeve 4, the second channel 212, the first channel 211, the third channel 213, the second ceramic sleeve 5 and the water outlet interface 51 in sequence and then is discharged from the water outlet pipe, the cold water can take heat out of the die in the flowing process, so as to achieve the water-cooling heat dissipation effect, the water inlet interface 41 and the water outlet interface 42 are arranged at the bottom of the die, when the water-cooling work is stopped, can be with the water evacuation in the first passageway 211, solve the problem that there is ponding in the first passageway 211, in order to improve the cooling rate of die-casting product in the die cavity 121, be equipped with the spout at support plate 21 lower extreme, be equipped with heat conduction graphite flake 6 in the spout, 6 lower extremes of heat conduction graphite flake are connected with aluminum alloy heat conduction post 7, the inside heat of die cavity 121 can pass through heat conduction graphite flake 6, aluminum alloy heat conduction post 7 transmits the external world fast, the cooling rate of die-casting product has been promoted, be equipped with the second that supplies aluminum alloy heat conduction post 7 to pass on the push pedal 3 and dodge the hole.

Preferably, the middle part of the upper end of the upper mold core 12 is provided with a feed inlet 101, the lower end of the feed inlet 101 is connected with a flow passage 102, and the lower end of the flow passage 102 is communicated with the mold cavity 121.

Preferably, an air cylinder 8 is fixed on the outer side of the carrier plate 21, an output end of the air cylinder 8 is connected with a push block 81, the push block 81 is fixedly connected with the push plate 3, the air cylinder 8 is used for driving the push plate 3, and after the upper die 1 and the lower die 2 are opened, the ejector pin 31 is ejected upwards by the driving of the air cylinder 8, so that the die-casting product in the cavity 121 is ejected.

Preferably, the upper ends of the first ceramic bushing 4 and the second ceramic bushing 5 are connected with the carrier plate 21 by screw threads.

Preferably, in order to further improve the heat dissipation effect of the mold, the edges of the two sides of the top plate 11 are both provided with a notch groove 111, the two sides of the top plate 11 are also provided with a plurality of through holes 112 penetrating up and down, and an air hole 113 is connected between the through holes 112 and the notch groove 111.

The above examples only show 1 embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The die-casting die with the water-cooling heat dissipation function is characterized by comprising an upper die (1) and a lower die (2), wherein the upper die (1) comprises a top plate (11) and an upper die core (12) positioned in the middle of the lower end of the top plate (11), the lower die (2) comprises a carrier plate (21), a lower die core (22) fixed in the middle of the upper end of the carrier plate (21), a first supporting seat (23) and a second supporting seat (24) fixed on the lower side of the carrier plate (21), a die cavity (121) is formed between the upper die core (12) and the lower die core (22) in a matching manner, an avoidance area (231) is formed between the first supporting seat (23) and the second supporting seat (24), a push plate (3) is arranged in the avoidance area (231), a push pin (31) is connected onto the push plate (3), and the upper end of the push pin (31) can extend to the inner side of the die cavity (121), the inner side of the carrier plate (21) is provided with a first channel (211), the first channel (211) is wound on the outer side of the lower mold core (22), the lower sides of the two ends of the first channel (211) are respectively connected with a second channel (212) and a third channel (213), the second channel (212) and the third channel (213) are both positioned on the upper side of the avoidance area (231), the lower ends of the second channel (212) and the third channel (213) are respectively connected with a first ceramic bushing (4) and a second ceramic bushing (5), the push plate (3) is provided with a first avoidance hole for the first ceramic bushing (4) and the second ceramic bushing (5) to pass through, the lower end of the first ceramic bushing (4) is connected with a water inlet (41), the lower end of the second ceramic bushing (5) is connected with a water drainage interface (51), the lower end of the carrier plate (21) is provided with a sliding groove, and a heat-conducting graphite sheet (6) is arranged in the sliding groove, the lower end of the heat-conducting graphite sheet (6) is connected with an aluminum alloy heat-conducting column (7), and a second avoiding hole for the aluminum alloy heat-conducting column (7) to penetrate is formed in the push plate (3).

2. The die-casting die for water-cooling heat dissipation as recited in claim 1, wherein a feed inlet (101) is formed in the middle of the upper end of the upper die core (12), a runner (102) is connected to the lower end of the feed inlet (101), and the lower end of the runner (102) is communicated with the die cavity (121).

3. The die-casting die for water-cooling heat dissipation of the claim 1 is characterized in that a cylinder (8) is fixed on the outer side of the carrier plate (21), the output end of the cylinder (8) is connected with a push block (81), and the push block (81) is fixedly connected with the push plate (3).

4. The die-casting die for water-cooling heat dissipation is characterized in that the upper ends of the first ceramic sleeve (4) and the second ceramic sleeve (5) are in threaded connection with the carrier plate (21).

5. The die-casting die for water-cooling heat dissipation as recited in claim 1, wherein both side edges of the top plate (11) are provided with a notch groove (111), both sides of the top plate (11) are also provided with a plurality of through holes (112) which are vertically through, and an air hole (113) is connected between the through holes (112) and the notch groove (111).