CN112872320A

CN112872320A - Die casting die of sediment is arranged in easy exhaust

Info

Publication number: CN112872320A
Application number: CN202110120364.3A
Authority: CN
Inventors: 翁静波; 刘长先; 沈伟东
Original assignee: Nantong Chengke Precision Casting Co ltd
Current assignee: Nantong Chengke Precision Casting Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-06-01

Abstract

The invention discloses a die-casting die easy to exhaust and discharge slag, which comprises a die holder and a fixed die, wherein a first die insert is arranged in the middle of the die holder, a second die insert is arranged in the middle of the fixed die, a die head is arranged in the middle of the first die insert, a groove is formed in the middle of the second die insert, a plurality of air passages distributed at equal intervals are formed in the periphery of the die head and the groove, slag bags are arranged at the tops of the air passages, the die head and the groove are movably connected, a die cavity is formed between the die head and the groove, the bottom of the die cavity is fixedly connected with an overflow channel, an installation pipe is arranged on one; through setting up die head and type groove on die holder and cover half, be favorable to making the molten metal shaping, stereotype the finished product, through the piston extrusion molten metal that sets up, make the molten metal pass through the overflow and get into the die cavity, gaseous by the air flue entering cinder ladle, concentrate the collection, be favorable to improving the practicality of device, improve the finished product quality, be favorable to improving the use prescription of device.

Description

Die casting die of sediment is arranged in easy exhaust

Technical Field

The invention relates to the field of die-casting molds, in particular to a die-casting mold easy to exhaust and discharge slag.

Background

The die-casting die is a tool for casting metal parts, and is a tool for completing a die-casting process on a special die-casting die forging machine. The basic process of die casting comprises the following steps: molten metal is cast at low speed or high speed and filled into the cavity of the mold, the mold has movable cavity surface, and it is pressurized and forged along with the cooling process of the molten metal, so that the shrinkage cavity and shrinkage porosity defects of the blank are eliminated, and the internal structure of the blank reaches the broken crystal grains in the forged state. The comprehensive mechanical property of the blank is obviously improved.

The existing die-casting die still has various problems in the using process, in use, a large amount of gas generated by metal cooling is difficult to dissipate, the gas exists in the die-casting die, the finished product quality is poor, a large amount of bubbles are contained, burrs are formed on the periphery of the finished product due to different die precision, secondary polishing influences the use of the finished product, the production efficiency is reduced, and therefore the die-casting die easy to exhaust and discharge slag is provided.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the die-casting die easy to exhaust and discharge slag, which is beneficial to improving the practicability of the device, intensively discharging gas during cooling of molten metal, collecting waste materials, improving the use timeliness of the device and ensuring the quality of finished products.

In order to solve the technical problems, the invention provides the following technical scheme: the die-casting die capable of exhausting and discharging slag easily comprises a die holder and a fixed die, wherein a first die insert is fixedly mounted in the middle of the die holder, a second die insert is fixedly mounted in the middle of the fixed die, a die head is fixedly mounted in the middle of the first die insert, a groove is formed in the middle of the second die insert, a plurality of air passages distributed at equal intervals are formed in the periphery of the die head and the groove, slag bags are arranged at the tops of the air passages, the die head and the groove are movably connected, a die cavity is formed between the die head and the groove, an overflow channel is fixedly connected to the bottom of the die cavity, an installation pipe is fixedly mounted on one side, away from the die cavity, of the overflow channel, a.

As a preferred technical scheme of the invention, the periphery of the surface of the die holder is fixedly provided with the lock modules, the periphery of the surface of the fixed die is fixedly provided with the locking grooves, and the lock modules are movably connected with the locking grooves.

As a preferred technical scheme of the invention, a plurality of bushings are arranged at four corners of the surface of the die holder, a plurality of fixed columns are fixedly arranged at four corners of the surface of the fixed die, and the fixed columns are movably connected with the bushings.

As a preferable technical scheme of the invention, the top of the mounting tube, which is positioned at the outer side of the die holder, is fixedly provided with a feed opening, and the feed opening fixedly penetrates through the mounting tube.

As a preferred technical scheme of the invention, a finished product is movably connected in the cavity, a plurality of slag blocks are arranged at the top of the finished product, the slag blocks are positioned in the air passage and the slag ladle, waste materials are arranged at the bottom of the finished product, and the waste materials are positioned in the overflow passage and the installation pipe.

As a preferred technical scheme of the invention, a plurality of ejection needles are arranged around the die head, the ejection needles are movably connected with the die head, and the ejection needles are movably connected with a finished product.

As a preferable technical scheme of the invention, one side in the air passage is provided with a slope, and one side of the air passage, which is close to the section groove and the die head, is slightly higher than one side of the air passage, which is close to the slag ladle.

According to a preferable technical scheme of the invention, protective layers are electroplated on the surfaces of the first mold insert and the second mold insert, and the protective layers are a high temperature resistant layer and a corrosion resistant layer.

Compared with the prior art, the invention can achieve the following beneficial effects:

1. the die head and the groove arranged on the die holder and the fixed die are favorable for molding the molten metal and shaping a finished product, the molten metal is extruded by the arranged piston and enters the cavity through the overflow channel, and the gas enters the slag ladle through the air channel and is collected in a centralized manner, so that the practicability of the device is improved, the quality of the finished product is improved, and the use time of the device is improved;

2. through the arranged overflow channel, the metal liquid can be buffered in the overflow channel, the die holder and the fixed die can be preheated for the second time, and the cooling speed of the metal liquid can be delayed, so that the generated gas can be reduced, the practicability of the device can be improved, and the use time of the device can be improved;

3. through being higher than the opposite side with air flue one side setting, be favorable to improving the practicality of device, the gaseous entering of being convenient for is discharged, and is convenient for get rid of the cinder behind the finished product shaping, is favorable to improving the practicality of device, improves the use ageing of device to improve finished product quality.

Drawings

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

FIG. 2 is a schematic view of a surface structure of a mold base according to the present invention;

FIG. 3 is a schematic view of the surface structure of the fixed mold of the present invention;

FIG. 4 is a schematic structural view of a molten metal flowing state according to the present invention;

FIG. 5 is a schematic view of the structure of the final product of the present invention;

wherein: 1. a die holder; 2. a bushing; 3. a lock module; 4. a first mold insert; 5. a die head; 6. ejecting the needle; 7. fixing a mold; 8. fixing a column; 9. a locking groove; 10. a second mold insert; 11. a profiled groove; 12. an airway; 13. slag ladle; 14. a cavity; 15. installing a pipe; 16. a feeding port; 17. a piston; 18. a hydraulic lever; 19. an overflow channel; 20. obtaining a finished product; 21. slag blocks; 22. and (4) waste materials.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-3, the invention provides a die casting die easy to exhaust and discharge slag, which comprises a die holder 1 and a fixed die 7, wherein a first die insert 4 is fixedly installed in the middle of the die holder 1, a second die insert 10 is fixedly installed in the middle of the fixed die 7, a die head 5 is fixedly installed in the middle of the first die insert 4, a shaped groove 11 is formed in the middle of the second die insert 10, a plurality of air passages 12 distributed at equal intervals are respectively formed around the die head 5 and the shaped groove 11, slag ladles 13 are respectively arranged at the tops of the air passages 12, the die head 5 and the shaped groove 11 are movably connected, a die cavity 14 is arranged between the die head 5 and the shaped groove 11, the bottom of the die cavity 14 is fixedly connected with an overflow passage 19, a mounting pipe 15 is fixedly installed on one side, away; through setting up die head 5 and type groove 11 on die holder 1 and cover half 7, be favorable to making the molten metal shaping, finalize the design to finished product 20, through the piston 17 extrusion molten metal that sets up, make the molten metal pass through overflow 19 and get into die cavity 14 in, gaseous by air flue 12 entering cinder ladle 13, concentrate the collection, be favorable to improving the practicality of device, improve the finished product 20 quality, be favorable to improving the use prescription of device.

In another embodiment, the embodiment discloses a lock module and a lock groove, as shown in fig. 2 and 3, the lock module 3 is fixedly installed around the surface of the die holder 1, the lock groove 9 is fixedly installed around the surface of the fixed die 7, and the lock module 3 is movably connected with the lock groove 9; through the locking of the locking module 3 arranged on the die holder 1 and the locking groove 9 on the fixed die 7, the stability of the die is improved, the die-casting work is facilitated, and the use timeliness of the device is improved.

In another embodiment, the embodiment discloses a bushing and a fixing column, as shown in fig. 2 and 3, a plurality of bushings 2 are respectively arranged at four corners of the surface of a die holder 1, a plurality of fixing columns 8 are respectively fixedly arranged at four corners of the surface of a fixed die 7, and the fixing columns 8 are movably connected with the bushings 2; fix with fixed column 8 through bush 2 that sets up, be favorable to reducing the gap between die holder 1 and the cover half 7 to reduce 20 deckle edges of finished product, improve 20 quality of finished product, be favorable to improving the use prescription of device.

In another embodiment, the embodiment discloses a feed opening structure, as shown in fig. 1, a feed opening 16 is fixedly installed on the top of the installation tube 15, which is located at the outer side of the die holder 1, and the feed opening 16 fixedly penetrates through the installation tube 15; through setting up the feed opening 16 in installation pipe 15 one side, be favorable to pouring into installation pipe 15 with the metal liquid, be favorable to improving the security of device, prevent that the workman is injured, be favorable to improving the practicality of device.

In another embodiment, the present embodiment discloses a finished product structure, as shown in fig. 5, a finished product 20 is movably connected in a cavity 14, the top of the finished product 20 is provided with a plurality of slag blocks 21, the slag blocks 21 are located in an air passage 12 and a slag ladle 13, the bottom of the finished product 20 is provided with a waste material 22, and the waste material 22 is located in an overflow 19 and an installation pipe 15; through the slag ladle 13, be favorable to getting rid of the cinder 21 on the finished product 20, ensure the finished product 20 quality, be favorable to improving the use ageing of device.

In another embodiment, this embodiment discloses an ejector pin structure, as shown in fig. 2, a plurality of ejector pins 6 are installed around the die head 5, the ejector pins 6 are movably connected to the die head 5, and the ejector pins 6 are movably connected to the finished product 20; through the ejector pin 6 arranged on the die head 5, ejection of the finished product 20 after die-casting is completed is facilitated, safety of the device is facilitated to be improved, demoulding of the finished product 20 is facilitated, and use timeliness of the device is facilitated to be improved.

In another embodiment, the present embodiment discloses an internal structure of the air flue, as shown in fig. 2 and fig. 3, a slope is provided on one side of the air flue 12, and the side thereof close to the profiled groove 11 and the die head 5 is slightly higher than the side close to the slag ladle 13; through being higher than the opposite side with the setting of air flue 12 one side, be favorable to improving the practicality of device, the gaseous entering of being convenient for is discharged, and is convenient for get rid of the cinder 21 after finished product 20 shaping, is favorable to improving the practicality of device, improves the use ageing of device to improve finished product 20 quality.

In another embodiment, the present embodiment discloses a protective layer, as shown in fig. 2 and fig. 3, the surfaces of the first mold insert 4 and the second mold insert 10 are plated with the protective layer, and the protective layer is a high temperature resistant layer and a corrosion resistant layer; through setting up the protective layer on first mould mold insert 4 and second mould mold insert 10, be favorable to improving the life of die holder 1 and cover half 7, be favorable to improving the practicality of device, improve the use ageing of device.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an easy die casting die of row's sediment that exhausts, includes die holder (1), cover half (7), its characterized in that: a first mold insert (4) is fixedly arranged in the middle of the mold base (1), a second mold insert (10) is fixedly arranged in the middle of the fixed mold (7), the middle part of the first mould insert (4) is fixedly provided with a mould head (5), the middle part of the second mould insert (10) is provided with a profiled groove (11), a plurality of air passages (12) which are distributed at equal intervals are arranged around the die head (5) and the profiled groove (11), the top of the air passage (12) is provided with a slag ladle (13), the die head (5) and the profiled groove (11) are movably connected, a cavity (14) is arranged between the die head (5) and the profiled groove (11), the bottom of the cavity (14) is fixedly connected with an overflow channel (19), one side of the overflow channel (19) far away from the cavity (14) is fixedly provided with a mounting pipe (15), a piston (17) is arranged in the mounting pipe (15), and a hydraulic rod (18) is fixedly mounted on the piston (17).

2. The die casting mold easy to exhaust and discharge slag of claim 1, wherein: the improved die holder is characterized in that a lock module (3) is fixedly mounted on the periphery of the surface of the die holder (1), a locking groove (9) is fixedly mounted on the periphery of the surface of the fixed die (7), and the lock module (3) is movably connected with the locking groove (9).

3. The die casting mold easy to exhaust and discharge slag of claim 1, wherein: a plurality of bushings (2) are arranged at four corners of the surface of the die holder (1), a plurality of fixing columns (8) are fixedly arranged at four corners of the surface of the fixed die (7), and the fixing columns (8) are movably connected with the bushings (2).

4. The die casting mold easy to exhaust and discharge slag of claim 1, wherein: the mounting pipe (15) is located die holder (1) outside top fixed mounting has feed opening (16), feed opening (16) fixed run through mounting pipe (15).

5. The die casting mold easy to exhaust and discharge slag of claim 1, wherein: the production line is characterized in that a finished product (20) is movably connected in the cavity (14), a plurality of slag blocks (21) are arranged at the top of the finished product (20), the slag blocks (21) are located in the air passage (12) and the slag ladle (13), waste materials (22) are arranged at the bottom of the finished product (20), and the waste materials (22) are located in the overflow passage (19) and the installation pipe (15).

6. The die casting mold easy to exhaust and discharge slag of claim 5, wherein: a plurality of ejection needles (6) are arranged on the periphery of the die head (5), the ejection needles (6) are movably connected with the die head (5), and the ejection needles (6) are movably connected with a finished product (20).

7. The die casting mold easy to exhaust and discharge slag of claim 1, wherein: one side is equipped with the slope in air flue (12), and its is close to type groove (11), die head (5) one side is a little higher than being close to slag ladle (13) one side.

8. The die casting mold easy to exhaust and discharge slag of claim 1, wherein: protective layers are electroplated on the surfaces of the first mold insert (4) and the second mold insert (10), and the protective layers are a high-temperature-resistant layer and a corrosion-resistant layer.