CN220005927U

CN220005927U - Exhaust device of casting mold

Info

Publication number: CN220005927U
Application number: CN202320029332.7U
Authority: CN
Inventors: 马建良
Original assignee: Changshu Shenma Machinery Co ltd
Current assignee: Changshu Shenma Machinery Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-11-14
Anticipated expiration: 2033-01-06

Abstract

The utility model belongs to the technical field of casting molds, and particularly relates to an exhaust device of a casting mold, which comprises a base, wherein the bottom of the base is fixedly connected with a lower mold and a portal frame, the top of the portal frame is fixedly connected with an air cylinder, an output shaft of the air cylinder is fixedly connected with an upper mold, the upper mold is sleeved in the lower mold in a sliding manner, and an exhaust assembly is arranged between the upper mold and the portal frame. The utility model has reasonable structural design, the air in the forming cavity formed between the upper die and the lower die can be given and discharged in the die casting process through the matching of the air pump, the telescopic pipe and the filter head, the quality of castings is prevented from being reduced due to the existence of air, and the molded castings can be ejected upwards after cooling molding through the matching of the driving motor, the worm wheel, the bidirectional screw, the moving plate, the push-pull rod, the lifting plate, the vertical rod and the ejection plate, so that the demolding of the castings is more convenient and efficient.

Description

Exhaust device of casting mold

Technical Field

The utility model relates to the technical field of casting molds, in particular to an exhaust device of a casting mold.

Background

The casting is a metal molded article obtained by various casting methods, namely, smelted liquid metal is poured into a casting mould prepared in advance by pouring, injection, suction or other casting methods, and the casting is cooled and then polished to obtain the article with certain shape, size and performance. In the process of processing the shell of the elevator traction machine, the shell of the elevator traction machine needs to be processed and manufactured by using a casting die. And (3) searching: the casting mold water cooling structure with the authorized publication number of CN215697908U is characterized in that heat in the circulating water tank is discharged through eight groups of heat-driving fan fins in a rotating mode, and the fact that the heat in the circulating water tank is too high to cause temperature rise of cooling liquid in the circulating water tank is avoided.

However, the casting mold can rapidly cool and mold the liquid metal, but in the die casting process, air in the molding cavity between the upper mold and the lower mold is inconvenient to exhaust, so that the interior of the mold is hollow, the quality of the casting is reduced, and after the casting is cooled and molded, the casting is easy to be tightly adhered to the surface of the mold, and the demolding of the casting is difficult, therefore, the exhaust device of the casting mold is provided for solving the problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an exhaust device of a casting mould.

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

the utility model provides an exhaust apparatus of foundry goods mould, includes the base, the bottom fixedly connected with bed die and portal frame of base, the top fixedly connected with cylinder of portal frame, fixedly connected with goes up the mould on the output shaft of cylinder, go up the mould slip cap and establish in the bed die, be provided with exhaust assembly between mould and the portal frame, be provided with ejecting subassembly between base and the bed die, four locating levers of fixedly connected with between bed die and the portal frame, go up the mould slip cap and establish the outside at four locating levers.

Preferably, the exhaust assembly comprises an air extracting pump fixedly connected to the top of the portal frame and a telescopic pipe fixedly communicated with the top of the upper die, and the air extracting end of the air extracting pump is communicated with one end of the telescopic pipe.

Preferably, the exhaust assembly further comprises a filter head fixedly connected to the bottom of the upper die, and the filter head is communicated with the bottom end of the telescopic pipe.

Preferably, the lower die is provided with an annular cavity, a cold water inlet pipe is fixedly communicated with the inner wall of one side of the annular cavity, and a water outlet pipe is fixedly communicated with the inner wall of the other side of the annular cavity.

Preferably, the ejecting subassembly includes fixed connection at the driving motor of base bottom, rotates the bi-directional screw rod of connection on the inner wall of base both sides, fixedly connected with worm on driving motor's the output shaft, the outside fixed cover of bi-directional screw rod is equipped with the worm wheel, the worm meshes with the worm wheel mutually, two movable plates have been cup jointed to the outside screw thread of bi-directional screw rod, and the rear side of two movable plates all rotates and is connected with the push-and-pull rod, and the top of two push-and-pull rods rotates and is connected with same lifter plate, the top fixedly connected with two montants of lifter plate, the equal fixedly connected with ejector plate in top of two montants.

Preferably, two placing grooves are formed in the inner wall of the bottom of the lower die, and the two ejector plates are respectively sleeved in the corresponding placing grooves in a sliding mode.

Preferably, two limiting grooves are formed in the inner wall of the bottom of the base, limiting blocks are sleeved in the limiting grooves in a sliding mode, and the two limiting blocks are fixedly connected to the bottoms of the corresponding moving plates respectively.

Preferably, a liquid metal injection port is formed in the top of the upper die, and a sealing plug is arranged in the sliding sealing sleeve in the liquid metal injection port.

According to the exhaust device of the casting mold, through the matching of the air pump, the telescopic pipe and the filter head, air in a forming cavity formed between the upper mold and the lower mold can be discharged in the die casting process, the quality of castings is prevented from being reduced due to the fact that the air exists, casting substances can be prevented from passing through the filter head, and lifting of the upper mold is not hindered through the telescopic pipe;

according to the exhaust device of the casting mold, cold water can be continuously injected into the annular cavity through the matching of the cold water inlet pipe, the annular cavity and the water outlet pipe, so that the purpose of cooling and cooling a casting is achieved, the casting is rapidly molded, and after cooling molding, the molded casting can be ejected upwards through the matching of the driving motor, the worm wheel, the bidirectional screw, the moving plate, the push-pull rod, the lifting plate, the vertical rod and the ejection plate, so that the casting is more convenient and efficient to demold;

the utility model has reasonable structural design, the air in the forming cavity formed between the upper die and the lower die can be given and discharged in the die casting process through the matching of the air pump, the telescopic pipe and the filter head, the quality of castings is prevented from being reduced due to the existence of air, and the molded castings can be ejected upwards after cooling molding through the matching of the driving motor, the worm wheel, the bidirectional screw, the moving plate, the push-pull rod, the lifting plate, the vertical rod and the ejection plate, so that the demolding of the castings is more convenient and efficient.

Drawings

FIG. 1 is a schematic diagram of an exhaust apparatus for a casting mold according to the present utility model;

FIG. 2 is a cross-sectional view of an exhaust apparatus for a casting mold according to the present utility model;

fig. 3 is a schematic structural view of a portion a of an exhaust device of a casting mold according to the present utility model.

In the figure: 1. a base; 2. a portal frame; 3. a cylinder; 4. an upper die; 5. a positioning rod; 6. a sealing plug; 7. a lower die; 8. an air extracting pump; 9. a telescopic tube; 10. a water outlet pipe; 11. a filter head; 12. a cold water inlet pipe; 13. an annular cavity; 14. a placement groove; 15. an ejector plate; 16. a vertical rod; 17. a lifting plate; 18. a push-pull rod; 19. a moving plate; 20. a limiting block; 21. a bidirectional screw; 22. a worm wheel; 23. a driving motor; 24. a worm.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, an exhaust device of foundry goods mould, including base 1, the bottom fixedly connected with bed die 7 and portal frame 2 of base 1, the top fixedly connected with cylinder 3 of portal frame 2, fixedly connected with goes up mould 4 on the output shaft of cylinder 3, go up mould 4 slip cap and establish in bed die 7, be provided with exhaust assembly between mould 4 and the portal frame 2, be provided with ejecting subassembly between base 1 and the bed die 7, four locating levers 5 of fixed connection between bed die 7 and the portal frame 2, go up mould 4 slip cap and establish in the outside of four locating levers 5, through cylinder 3, be convenient for drive upper mould 4 moves down and the laminating of bed die 7, through locating lever 5, can lead spacing to bed die 7, make its removal more stable smooth and easy.

According to the utility model, the exhaust assembly comprises the air pump 8 fixedly connected to the top of the portal frame 2 and the telescopic pipe 9 fixedly communicated to the top of the upper die 4, the air pumping end of the air pump 8 is communicated with one end of the telescopic pipe 9, and air in the forming cavity can be pumped into the telescopic pipe 9 through the air pump 8 and finally discharged from the air outlet end of the air pump 8, so that the quality of castings is prevented from being reduced due to the fact that air exists in the forming cavity.

In the utility model, the exhaust assembly further comprises a filter head 11 fixedly connected to the bottom of the upper die 4, the filter head 11 is communicated with the bottom end of the telescopic pipe 9, and the air pump 8 only pumps out air through the arrangement of the filter head 11 to block the passing of casting substances, so that the exhaust effect is effectively ensured.

In the utility model, the lower die 7 is provided with the annular cavity 13, the inner wall of one side of the annular cavity 13 is fixedly communicated with the cold water inlet pipe 12, the inner wall of the other side of the annular cavity 13 is fixedly communicated with the water outlet pipe 10, cold water can be continuously injected into the annular cavity 13 through the cold water inlet pipe 12, and the cold water flowing in the annular cavity 13 can absorb heat sufficiently, so that the effect of cooling the liquid metal is achieved, the liquid metal is rapidly cooled and molded, and the cold water absorbs heat and rises in temperature to be discharged from the water outlet pipe 10.

According to the utility model, the ejection assembly comprises a driving motor 23 fixedly connected to the bottom of the base 1, and a bidirectional screw 21 rotatably connected to the inner walls of the two sides of the base 1, wherein a worm 24 is fixedly connected to an output shaft of the driving motor 23, a worm wheel 22 is fixedly sleeved on the outer side of the bidirectional screw 21, the worm 24 is meshed with the worm wheel 22, two moving plates 19 are sleeved on the outer side threads of the bidirectional screw 21, push-pull rods 18 are rotatably connected to the rear sides of the two moving plates 19, the top ends of the two push-pull rods 18 are rotatably connected with the same lifting plate 17, the top of the lifting plate 17 is fixedly connected with two vertical rods 16, the top ends of the two vertical rods 16 are fixedly connected with an ejection plate 15, after forming is finished, a cylinder 3 is reversely started, the cylinder 3 drives an upper die 4 to move upwards and reset, the driving motor 23 is started, the driving motor 23 drives the worm 24 to rotate, the worm 24 drives the worm wheel 22 and the bidirectional screw 21 to rotate, the bidirectional screw 21 drives the two moving plates 19 and the two moving plates 18 to approach each other, the two lifting plates 18 drive the lifting plates 17, the two vertical rods 16 and the ejection plates 15 to move upwards, the ejection plates 15 are driven by the ejection plates 15 to cool and the castings to be cooled and move out of the castings 7, and the castings are more conveniently and the castings are ejected and the molded.

In the utility model, two placing grooves 14 are formed on the inner wall of the bottom of the lower die 7, and two ejector plates 15 are respectively sleeved in the corresponding placing grooves 14 in a sliding manner, so that the ejector plates 15 can be stored.

In the utility model, two limiting grooves are formed on the inner wall of the bottom of the base 1, limiting blocks 20 are sleeved in the limiting grooves in a sliding manner, and the two limiting blocks 20 are respectively and fixedly connected to the bottoms of corresponding moving plates 19, so that the moving plates 19 can be guided and can not rotate together with a bidirectional screw 21.

In the utility model, a liquid metal injection port is formed at the top of the upper die 4, a sealing plug 6 is arranged in the sliding sleeve in the liquid metal injection port, and liquid metal can be injected into a forming cavity formed between the upper die 4 and the lower die 7 and then the liquid metal injection port is sealed.

According to the utility model, when the device is in operation, the sealing plug 6 is opened, liquid metal can be injected into a forming cavity formed between the upper die 4 and the lower die 7, then the sealing plug 6 is plugged, air in the forming cavity can be pumped into the telescopic pipe 9 through the air pump 8, and finally the air is discharged from the air outlet end of the air pump 8, so that the air in the forming cavity is prevented from being polluted to reduce the quality of castings, the air pump 8 is only pumped out through the arrangement of the filter head 11, the passage of casting substances is blocked, the exhaust effect is effectively ensured, then cold water can be continuously injected into the annular cavity 13 through the cold water inlet pipe 12, the cold water flowing in the annular cavity 13 can be fully absorbed, the effect of cooling and cooling the liquid metal is achieved, the rapid cooling and forming of the cold water is realized, the cold water absorbs the temperature and is discharged from the water outlet pipe 10, after the forming is finished, the air cylinder 3 is reversely started, the air cylinder 3 drives the upper die 4 to move upwards and reset through the telescopic pipe 9, the movement of the upper die 4 is not hindered, then the driving motor 23 is started, the worm wheel 24 is driven by the driving motor 24, the worm wheel 22 and the two lifting screws 21 and the two lifting rods 21 are driven by the two lifting rods 18, the two lifting rods 18 are driven to move towards the two lifting rods 18, the two lifting plates 18 are driven to move more conveniently and more conveniently, and more two lifting plates 18 are driven to move towards the two lifting plates 18 and the two lifting plates 18 are driven to move conveniently and more than the lifting plates 18.

Claims

1. The utility model provides an exhaust apparatus of foundry goods mould, its characterized in that, including base (1), the bottom fixedly connected with bed die (7) and portal frame (2) of base (1), the top fixedly connected with cylinder (3) of portal frame (2), fixedly connected with goes up mould (4) on the output shaft of cylinder (3), go up mould (4) slip cap and establish in bed die (7), be provided with exhaust assembly between last mould (4) and portal frame (2), be provided with ejecting subassembly between base (1) and bed die (7), four locating levers (5) of fixedly connected with between bed die (7) and portal frame (2), go up mould (4) slip cap and establish the outside at four locating levers (5).

2. The casting mold exhaust device according to claim 1, wherein the exhaust assembly comprises an air pump (8) fixedly connected to the top of the portal frame (2) and a telescopic pipe (9) fixedly communicated to the top of the upper mold (4), and an air pumping end of the air pump (8) is communicated with one end of the telescopic pipe (9).

3. A casting mould venting device according to claim 2, characterized in that the venting assembly further comprises a filter head (11) fixedly connected to the bottom of the upper mould (4), the filter head (11) being in communication with the bottom end of the telescopic tube (9).

4. The exhaust device of the casting mold according to claim 1, wherein the lower mold (7) is provided with an annular cavity (13), a cold water inlet pipe (12) is fixedly communicated with the inner wall of one side of the annular cavity (13), and a water outlet pipe (10) is fixedly communicated with the inner wall of the other side of the annular cavity (13).

5. The exhaust device of the casting mold according to claim 1, wherein the ejection assembly comprises a driving motor (23) fixedly connected to the bottom of the base (1), and two-way screws (21) rotatably connected to the inner walls of two sides of the base (1), a worm (24) is fixedly connected to an output shaft of the driving motor (23), a worm wheel (22) is fixedly sleeved on the outer side of the two-way screws (21), the worm (24) is meshed with the worm wheel (22), two movable plates (19) are sleeved on the outer side threads of the two-way screws (21), push-pull rods (18) are rotatably connected to the rear sides of the two movable plates (19), the top ends of the two push-pull rods (18) are rotatably connected with one lifting plate (17), two vertical rods (16) are fixedly connected to the top ends of the lifting plate (17), and ejection plates (15) are fixedly connected to the top ends of the two vertical rods (16).

6. The exhaust device of the casting mold according to claim 5, wherein two placing grooves (14) are formed in the inner wall of the bottom of the lower mold (7), and two ejector plates (15) are respectively and slidably sleeved in the corresponding placing grooves (14).

7. The exhaust device of the casting mold according to claim 5, wherein two limiting grooves are formed in the inner wall of the bottom of the base (1), limiting blocks (20) are sleeved in the limiting grooves in a sliding mode, and the two limiting blocks (20) are fixedly connected to the bottoms of the corresponding moving plates (19) respectively.

8. The casting mold exhaust device according to claim 1, characterized in that the top of the upper mold (4) is provided with a liquid metal injection port, and the sliding sealing sleeve in the liquid metal injection port is provided with a sealing plug (6).