CN218310865U

CN218310865U - Cooling structure of SLM forming die

Info

Publication number: CN218310865U
Application number: CN202222225794.4U
Authority: CN
Inventors: 张火明; 顾春锋
Original assignee: Jiaxing Jiepin Precision Mould Co ltd
Current assignee: Jiaxing Jiepin Precision Mould Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-17
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a SLM forming die's cooling structure, belong to the mould field, including lower mould and last mould, it is located lower mould top position to go up the mould, lower mould up end middle part position is provided with special-shaped mould, lower mould side end face afterbody position is provided with inlet tube and outlet pipe, the lower mould middle part corresponds the inlet tube and is provided with the cooling trough with the outlet pipe, the outlet pipe head is provided with first shunt, the inlet tube head is provided with the honeycomb duct, the honeycomb duct head is provided with the second shunt, be provided with the cistern between first shunt and the second shunt, through setting up the cooling trough inside the lower mould and link to each other with inlet tube and outlet pipe, set up the catch basin simultaneously between inlet tube and outlet pipe, the honeycomb duct, water pump etc., but utilize first basin and the second basin of circulation switching use to come the inside cooling by circulation water-cooling of lower mould, and then provide effectual cooling effect for SLM forming's special-shaped mould.

Description

Cooling structure of SLM forming die

Technical Field

The utility model relates to a mould field, in particular to SLM forming die's cooling structure.

Background

The SLM is also called selective laser melting, and is a main technical approach in metal material additive manufacturing, the technology selects laser as an energy source, scanning is carried out on a metal powder bed layer by layer according to a planned path in a three-dimensional CAD slicing model, the scanned metal powder achieves the effect of metallurgical bonding through melting and solidification, various special-shaped molds can be manufactured by utilizing the SLM forming technology, and as the SLM forming molds are mostly special-shaped molds with complex structures, common heat dissipation modes such as air cooling and the like are difficult to provide effective cooling effect for the SLM forming molds, so that the long-term stable use of the SLM forming molds is influenced.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a cooling structure for an SLM forming mold, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a cooling structure of SLM forming die, includes lower mould and last mould, it is located lower mould top position to go up the mould, lower mould up end middle part position is provided with special-shaped mould, lower mould side end face afterbody position is provided with inlet tube and outlet pipe, the lower mould middle part corresponds the inlet tube and is provided with the cooling trough with the outlet pipe, the outlet pipe head is provided with first shunt, the inlet tube head is provided with the honeycomb duct, the honeycomb duct head is provided with the second shunt, honeycomb duct outer lane is provided with the detection box in the head position, the honeycomb duct outer lane is provided with the water pump in detection box rear position, be provided with the cistern between first shunt and the second shunt, cistern up end both sides position is provided with first basin and second basin respectively.

Preferably, cooling chute both ends link to each other with inlet tube and outlet pipe afterbody respectively, the cistern top is provided with the fan frame plate, the fan frame plate is located first basin and second basin top position.

Preferably, a water passing groove is formed in the middle of the detection box, a water temperature sensor is arranged in the water passing groove, a numerical display screen is arranged above the detection box, and the top of the water temperature sensor is connected with the numerical display screen.

Preferably, the cistern both ends correspond first shunt tubes and second shunt tubes and all are provided with the drainage groove, first basin is close to first shunt tubes one side inner wall and is provided with first rectangular channel, the second basin is close to first shunt tubes one side inner wall and is provided with the second rectangular channel, first rectangular channel and second rectangular channel afterbody all link to each other with the drainage groove.

Preferably, be provided with first baffle and second baffle with adjustable in first rectangular channel and the second rectangular channel respectively, be provided with the connecting rod between first baffle and the second baffle, it is provided with the rectangular groove to correspond the connecting rod between first rectangular channel and the second rectangular channel, first rectangular channel is close to second rectangular channel one side inner wall and is provided with first spacing groove, the second rectangular channel is close to first rectangular channel one side inner wall and is provided with the second spacing groove, the width of first spacing groove and second spacing groove all equals with first baffle, second baffle.

Preferably, a pull rod is arranged on the end face of the outer side of the second baffle, a base plate is arranged on one side of the reservoir, a controller is arranged on the upper end face of the base plate, an air cylinder is arranged at the head of the controller, and the tail of the pull rod is connected with the head of the air cylinder.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through inside cooling chute that sets up of lower mould and link to each other with inlet tube and outlet pipe, set up catch basin, honeycomb duct, water pump etc. simultaneously between inlet tube and outlet pipe, but utilize first basin and the second basin of circulated switching use to come the inside cooling by circulating water cooling that carries out of lower mould, and then provide effectual cooling effect for the special-shaped mould that the SLM takes shape.

Drawings

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

FIG. 2 is a schematic view of the cooling launder of the present invention;

FIG. 3 is a schematic view of the detection box according to the present invention;

fig. 4 is a schematic diagram of the controller of the present invention;

fig. 5 is a schematic view of the reservoir of the present invention.

In the figure: 1. a lower die; 2. an upper die; 3. a special-shaped die; 4. a water inlet pipe; 5. a water outlet pipe; 6. a flow guide pipe; 7. a water pump; 8. a second shunt pipe; 9. a first shunt tube; 10. a reservoir; 11. a first water tank; 12. a second water tank; 13. a fan frame plate; 14. a pull rod; 15. a cooling trough; 16. a detection cartridge; 17. passing through a water tank; 18. a water temperature sensor; 19. a numerical value display screen; 20. a base plate; 21. a controller; 22. a cylinder; 23. a drainage groove; 24. a first rectangular groove; 25. a second rectangular groove; 26. a first baffle plate; 27. a second baffle; 28. a connecting rod; 29. a long circular groove; 30. a second limit groove; 31. a first limit groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-5, a cooling structure of an SLM forming mold, includes a lower mold 1 and an upper mold 2, the upper mold 2 is located above the lower mold 1, a special-shaped mold 3 is disposed in the middle of the upper end surface of the lower mold 1, a water inlet pipe 4 and a water outlet pipe 5 are disposed at the tail of one side end surface of the lower mold 1, a cooling flow groove 15 is disposed in the middle of the lower mold 1 corresponding to the water inlet pipe 4 and the water outlet pipe 5, a first shunt pipe 9 is disposed at the head of the water outlet pipe 5, a flow guide pipe 6 is disposed at the head of the water inlet pipe 4, a second shunt pipe 8 is disposed at the head of the flow guide pipe 6, a detection box 16 is disposed at the head of the outer ring of the flow guide pipe 6, a water pump 7 is disposed at the rear position of the detection box 16, a reservoir 10 is disposed between the first shunt pipe 9 and the second shunt pipe 8, and a first water tank 11 and a second water tank 12 are disposed at both sides of the upper end surface of the reservoir 10.

In this embodiment, in order to enhance the cooling rate of the cooling water in the first water tank 11 and the second water tank 12, two ends of the cooling flow tank 15 are respectively connected to the tail portions of the water inlet pipe 4 and the water outlet pipe 5, a fan frame plate 13 is disposed above the reservoir 10, and the fan frame plate 13 is located above the first water tank 11 and the second water tank 12;

in the embodiment, in order to facilitate the detection of the water temperature of the cooling water, a water passing tank 17 is arranged in the middle of the detection box 16, a water temperature sensor 18 is arranged in the water passing tank 17, a numerical display 19 is arranged above the detection box 16, and the top of the water temperature sensor 18 is connected with the numerical display 19;

in this embodiment, in order to facilitate switching between the first water tank 11 and the second water tank 12, it is ensured that a stable cooling effect is provided for a long time, drainage grooves 23 are provided at two ends of the water reservoir 10 corresponding to the first shunt pipe 9 and the second shunt pipe 8, a first rectangular groove 24 is provided at an inner wall of the first water tank 11 close to the first shunt pipe 9, a second rectangular groove 25 is provided at an inner wall of the second water tank 12 close to the first shunt pipe 9, tails of the first rectangular groove 24 and the second rectangular groove 25 are both connected with the drainage grooves 23, an adjustable first baffle 26 and a second baffle 27 are respectively provided in the first rectangular groove 24 and the second rectangular groove 25, a connecting rod 28 is provided between the first baffle 26 and the second baffle 27, a long circular groove 29 is provided between the first rectangular groove 24 and the second rectangular groove 25 corresponding to the connecting rod 28, a first limiting groove 31 is provided at an inner wall of the first rectangular groove 24 close to the second rectangular groove 25, a second limiting groove 31 is provided at an inner wall of the second rectangular groove 25, a side close to the first rectangular groove 24 is provided with a second limiting groove 30, a pull rod 20 is provided at a head of the water reservoir 10, a pull rod 22 is provided at a side of the air cylinder, and a pull rod 14.

It should be noted that, the utility model relates to a cooling structure of SLM forming die, in the time of practical use, water pump 7 guide pipeline and the rivers in the cistern 10 do the circulatory motion, rivers enter into the cooling trough 15 at lower mould 1 middle part through honeycomb duct 6 and inlet tube 4, and then carry out the water-cooling to lower mould 1 in the operation process, the rivers through cooling trough 15 take out the heat and along outlet pipe 5 and get into first basin 11 in, rivers in first basin 11 pass through second shunt tubes 8 and honeycomb duct 6 circulatory motion once more, realize the circulatory water-cooling, and simultaneously, controller 21 control cylinder 22 of backing plate 20 top is regularly moved, every interval period cylinder 22 drives the motion of pull rod 14, and then drive first baffle 26, second baffle 27 and connecting rod 28 motion, all can adjust the on-off state of first basin 11 with second baffle 27 through first baffle 26 during at every turn-on-off state of second basin 12 during the motion, and then realize switching use, when first basin 11 rivers circulation, moisture in second basin 12 can cool down fast, when making the second basin 12, the cooling effect of guaranteeing that the rivers in the cistern 11 and carry out the continuous cooling effect, the cooperation of cooling, the basin 10, and the heat dissipation fan is carried out.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cooling structure of SLM forming die, includes lower mould (1) and last mould (2), it is located lower mould (1) top position to go up mould (2), lower mould (1) up end middle part position is provided with special-shaped mould (3), its characterized in that: lower mould (1) a side end face afterbody position is provided with inlet tube (4) and outlet pipe (5), lower mould (1) middle part corresponds inlet tube (4) and is provided with cooling trough (15) with outlet pipe (5), outlet pipe (5) head is provided with first shunt (9), inlet tube (4) head is provided with honeycomb duct (6), honeycomb duct (6) head is provided with second shunt (8), honeycomb duct (6) outer lane head position is provided with detects box (16), honeycomb duct (6) outer lane is provided with water pump (7) detecting box (16) rear position, be provided with cistern (10) between first shunt (9) and second shunt (8), cistern (10) upper end face both sides position is provided with first basin (11) and second basin (12) respectively.

2. The cooling structure of an SLM forming die as claimed in claim 1, characterized in that: cooling chute (15) both ends link to each other with inlet tube (4) and outlet pipe (5) afterbody respectively, cistern (10) top is provided with fan frame board (13), fan frame board (13) are located first basin (11) and second basin (12) top position.

3. The cooling structure of an SLM forming die as claimed in claim 1, characterized in that: the water tank (17) is arranged in the middle of the detection box (16), the water temperature sensor (18) is arranged in the water tank (17), the numerical display screen (19) is arranged above the detection box (16), and the top of the water temperature sensor (18) is connected with the numerical display screen (19).

4. The cooling structure of an SLM forming die as claimed in claim 1, characterized in that: cistern (10) both ends correspond first shunt tubes (9) and second shunt tubes (8) and all are provided with drainage groove (23), first basin (11) are close to first shunt tubes (9) one side inner wall and are provided with first rectangular channel (24), second basin (12) are close to first shunt tubes (9) one side inner wall and are provided with second rectangular channel (25), first rectangular channel (24) all link to each other with drainage groove (23) with second rectangular channel (25) afterbody.

5. The cooling structure of the SLM forming die according to claim 4, characterized in that: first baffle (26) and second baffle (27) with adjustable be provided with respectively in first rectangular channel (24) and second rectangular channel (25), be provided with connecting rod (28) between first baffle (26) and second baffle (27), it is provided with rectangular groove (29) to correspond connecting rod (28) between first rectangular channel (24) and second rectangular channel (25), first rectangular channel (24) are close to second rectangular channel (25) one side inner wall and are provided with first spacing groove (31), second rectangular channel (25) are close to first rectangular channel (24) one side inner wall and are provided with second spacing groove (30), the width of first spacing groove (31) and second spacing groove (30) all equals with first baffle (26), second baffle (27).

6. The cooling structure of an SLM forming die as claimed in claim 5, characterized in that: the end face of the outer side of the second baffle (27) is provided with a pull rod (14), one side of the water storage tank (10) is provided with a base plate (20), the upper end face of the base plate (20) is provided with a controller (21), the head of the controller (21) is provided with an air cylinder (22), and the tail of the pull rod (14) is connected with the head of the air cylinder (22).