CN201618839U - Slot type exhauster - Google Patents
Slot type exhauster Download PDFInfo
- Publication number
- CN201618839U CN201618839U CN2010201315881U CN201020131588U CN201618839U CN 201618839 U CN201618839 U CN 201618839U CN 2010201315881 U CN2010201315881 U CN 2010201315881U CN 201020131588 U CN201020131588 U CN 201020131588U CN 201618839 U CN201618839 U CN 201618839U
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- exhaust apparatus
- type exhaust
- clearance type
- air discharge
- mould
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Abstract
A slot type exhauster is used on metal gravity casting and pressure casting dies, and is particularly suitable for being mounted at the tail end of a die cavity, a casting corner and a joint. The slot type exhauster is made into a cylinder via die steel, and the circumference of the cylinder adopts wire cutting technology to process a slot exhausting groove. The slot type exhauster is mounted at a specific position via a circular hole disposed on a die, one end of the slot type exhauster directly contacts with a casting, gas in the die cavity is discharged from the slot exhausting groove during an alloy liquor filling flow process, and the filling flow of alloy liquor is stable, thereby overcoming drawbacks of gas entrapment and defective cast and the like, and increasing yield of the castings. The slot type exhauster is simple in structure, low in processing and manufacturing cost and convenient for mounting and maintenance.
Description
Affiliated technical field
The utility model relates to a kind of clearance type exhaust apparatus that is used on metal mold gravity casting and the die casting die, especially is fit to be installed in end and the foundry goods corner and the delivery position of mold cavity, when alloy solution fills type the gas in the die cavity is discharged.
Background technology
At present, the used exhaust apparatus of known metal type dies is to make cylindrically with materials such as copper or steel, and end face is processed into straight trough or processes the V-type groove around, and this exhaust apparatus easily stops up, and influences exhaust quality.Also having a kind of is to process by sintering process with metal (as copper, iron) and alloy or non-metallic particle, forms micropore about 0.2MM at section, and this exhaust apparatus has good venting quality and anti-clogging, but the cost height.The metal type dies exhaust capacity is poor, for preventing to produce volume gas, the defectives such as owing casting of feeling suffocated, exhaust apparatus is set at the end of mold cavity and foundry goods corner and delivery position, realizing that alloy solution steadily fills type, thus the raising casting qualified rate.
Summary of the invention
In order to overcome the deficiency of existing exhaust apparatus, the utility model provides a kind of clearance type exhaust apparatus.This device can not only be discharged the gas in the mold cavity in the alloy solution cavity filling process, and production and processing is simple, and cost is low, and is convenient for installation and maintenance.
The technical scheme that its technical problem that solves the utility model adopts is: be made into cylinder with mould steel, at many slit air discharge ducts of circumference processing of cylinder.The clearance type exhaust apparatus is installed in assigned address by the circular hole that is provided with on mould, clearance type exhaust apparatus one end is directly contacted with foundry goods.Fill the gas in the mold cavity in the type flow process at alloy solution and discharge, flow steadily, reduce foundry goods and produce volume gas, owe defective such as casting, reach the purpose of raising casting qualified rate thereby make alloy solution fill type by the slit air discharge duct of clearance type exhaust apparatus.
Described clearance type exhaust apparatus is to be installed in assigned address by the round tube hole that is provided with on mould, installation round tube hole tight fit on clearance type exhaust apparatus and the mould, the clearance type exhaust apparatus contacts end reconditioning one-tenth and the consistent shape of foundry goods cavity surface with foundry goods.The clearance type exhaust apparatus is directly contacted with foundry goods, be convenient to gas and discharge from the clearance type exhaust apparatus fast, also do not influence the presentation quality of foundry goods simultaneously.
Described clearance type exhaust apparatus on mould the installation round tube hole and the folding mould direction of mould have angle.In the time of can increasing the mould open/close mould like this, the clearance type exhaust apparatus prolongs the resistance that folding mould direction moves, and makes clearance type exhaust apparatus fixing more firm on mould.
Described clearance type exhaust apparatus is to use by heat treatment-strengthening process, and the hot die steel of integral hardness being handled HRC38～42 is made into cylindrical.Make the clearance type exhaust apparatus possess mechanical behavior under high temperature and thermal fatigue strength preferably, improved the service life of clearance type exhaust apparatus greatly, also make things convenient for clearance type exhaust apparatus installing and fixing on mould simultaneously.
The slit air discharge duct of described clearance type exhaust apparatus is that the slit air discharge duct runs through whole cylinder upper and lower end face at axial direction with line cutting technology processing, in the excircle incision of cross-sectional direction from cylinder, makes the slit air discharge duct be communicated with the cylinder upper and lower end face.Can make gas be discharged to the other end from an end of clearance type exhaust apparatus smoothly like this.
Each adjacent slit air discharge duct of described clearance type exhaust apparatus replaces in the excircle penetraction depth length of cross-sectional direction from cylinder.Make end that enough spacings be arranged, thereby guarantee that there is enough intensity at clearance type exhaust apparatus center at each slit air discharge duct of cross-sectional direction.
The width of the slit air discharge duct of described clearance type exhaust apparatus is 0.1～0.35MM.Air discharge duct concrete width in slit is that the requirement of different forging types and mold temperature is selected for use according to different-alloy flow of solution characteristic, makes the slit air discharge duct have best exhaust effect and anti-blocking property.Usually select the slit air discharge duct of wide 0.2～0.35MM on the metal gravity casting die for use, select the slit air discharge duct of wide 0.15～0.25MM on the die casting die for use, select the slit air discharge duct of wide 0.1～0.2MM on the metal mold mould of plastics for use.
Many slit air discharge ducts of described clearance type exhaust apparatus evenly distribute along same circumference, make the exhaust of clearance type exhaust apparatus very even.
The quantity of many slit air discharge ducts of described clearance type exhaust apparatus is 12.The exhaust that makes the clearance type exhaust apparatus more evenly, exhaust effect is very good.
The beneficial effects of the utility model are: can in mold filling process of casting the gas in the mold cavity be discharged from the slit air discharge duct of clearance type exhaust apparatus.The clearance type exhaust apparatus is to handle with hot die steel and by heat treatment-strengthening process, makes it possess stronger resistance to corrosion, has improved the service life of clearance type exhaust apparatus greatly.The clearance type exhaust apparatus is simple in structure, and the processing and fabricating cost is low, and is convenient for installation and maintenance.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the scheme of installation of the utility model on mould.
Fig. 2 is the front view of clearance type exhaust apparatus.
Fig. 3 is the left view of clearance type exhaust apparatus.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
The utility model clearance type exhaust apparatus mainly is to be made into cylinder with mould steel, at the circumference processing slit of cylinder air discharge duct, is installed in assigned address by the circular hole that is provided with on mould.
As shown in Figure 1: clearance type exhaust apparatus (3) is to go up end and foundry goods (2) corner and the delivery position that the round tube hole that is provided with is installed in mould (1) die cavity by mould (1).Fill in the type flow process at alloy solution the gas of mould (1) die cavity end and the local current stabilization volume gas that is subjected to the corner break-in to influence generation are discharged from clearance type exhaust apparatus (3).Prevent to feel suffocated and owe casting and roll up gas bag to be rolled in formation air blister defect in the foundry goods (2).
As shown in Figure 1: the installation round tube hole interference fit on clearance type exhaust apparatus (3) and the mould (1), clearance type exhaust apparatus (3) and foundry goods (2) contact one end reconditioning one-tenth and the consistent shape of mould (1) cavity surface.Clearance type exhaust apparatus (3) is directly contacted with foundry goods (2), be convenient to gas and discharge from clearance type exhaust apparatus (3) fast, also do not influence the presentation quality of foundry goods (2) simultaneously.
As shown in Figure 1: the round tube hole of clearance type exhaust apparatus (3) and the folding mould direction of mould (1) are installed have angle.Clearance type exhaust apparatus (3) prolongs the resistance that folding mould direction moves in the time of can increasing mould (1) folding mould like this, makes clearance type exhaust apparatus (3) fixing more firm on mould (1).
As Fig. 2, shown in Figure 3: described clearance type exhaust apparatus (3) is to use the hot die steel of integral hardness being handled HRC38～42 by heat treatment-strengthening process to be made into cylindrical, make clearance type exhaust apparatus (3) possess mechanical behavior under high temperature and thermal fatigue strength preferably, improved the resistance to corrosion of clearance type exhaust apparatus (3) greatly, also conveniently installed and fixed simultaneously.
As Fig. 2, shown in Figure 3: the slit air discharge duct (4) of described clearance type exhaust apparatus (3) is to process with line cutting technology, slit air discharge duct (4) runs through whole cylinder upper and lower end face at axial direction, in the excircle incision of cross-sectional direction, make slit air discharge duct (4) be communicated with the cylinder upper and lower end face from cylinder.Can make gas be discharged to the other end from an end of clearance type exhaust apparatus (3) smoothly like this, exhaust effect is very good.Slit air discharge duct (4) adopts line cutting technology processing, can conveniently control the working width of slit air discharge duct (4), and its precision and quality are higher, make slit air discharge duct (4) have good exhaust effect and anti-blocking property.
As Fig. 2, shown in Figure 3: each adjacent slit air discharge duct (4) of described clearance type exhaust apparatus (3) in cross-sectional direction alternately from the excircle penetraction depth length of cylinder, promptly L1 is greater than L2.Make the end at each slit air discharge duct (4) of cross-sectional direction that enough spacings be arranged, promptly A is enough big, guarantees that there is enough intensity at the center of clearance type exhaust apparatus (3).
As shown in Figure 3: the width of the slit air discharge duct (4) of described clearance type exhaust apparatus (3) is 0.1～0.35MM.The concrete width of slit air discharge duct (4) is that the requirement of different forging types and mold temperature is selected for use according to different-alloy flow of solution characteristic, makes slit air discharge duct (4) have best exhaust effect and anti-blocking property.Usually select the slit air discharge duct of wide 0.2～0.35MM on the metal gravity casting die for use, select the slit air discharge duct of wide 0.15～0.25MM on the die casting die for use, select the slit air discharge duct of wide 0.1～0.2MM on the metal mold mould of plastics for use.
As shown in Figure 3: many slit air discharge ducts of described clearance type exhaust apparatus (3) (4) evenly distribute along same circumference.Make the exhaust of clearance type exhaust apparatus (3) very even.
As shown in Figure 3: the quantity of many slit air discharge ducts of described clearance type exhaust apparatus (3) (4) is 12.The exhaust that makes clearance type exhaust apparatus (3) more evenly, exhaust effect is better.
Outstanding advantage of the present utility model is: fill in the pattern tool die cavity process at alloy solution, gas in the die cavity is discharged by clearance type exhaust apparatus (3) slit air discharge duct (4) on every side, be beneficial to the alloy solution quick and stable and fill type, avoided causing local current stabilization volume gas defective because of the variation of alloy solution flowing velocity and direction.Clearance type exhaust apparatus (3) material makes clearance type exhaust apparatus (3) that stronger resistance to corrosion be arranged with hot die steel and by the heat treatment-strengthening process intensive treatment, has improved the service life of clearance type exhaust apparatus (3) greatly.The slit air discharge duct (4) of clearance type exhaust apparatus (3) is that its precision and quality are higher, can conveniently control the working width of slit air discharge duct (4) with line cutting technology processing, makes slit air discharge duct (4) have best exhaust effect and anti-blocking property.Clearance type exhaust apparatus (3) installs and fixes by the round tube hole that is provided with on the mould, and is simple in structure, and the processing and fabricating cost is low, and working service is convenient.
Below only just the best operational version of the utility model embodiment is described, but can not be interpreted as it is restriction claim.The utility model not only is confined to above embodiment, and its concrete structure and range of application allow multiple variation: many slit air discharge ducts (4) can also be somewhat inconsistent along the spacing of same circle distribution, promptly can not be evenly to distribute along same circumference fully; Each adjacent slit air discharge duct (4) can also be consistent in radial direction from the excircle penetraction depth of cylinder; The quantity of many slit air discharge ducts (4) can also be 8,12,16,20 etc., as long as the variation in these claims is all within protection domain of the present utility model.
Claims (10)
1. the clearance type exhaust apparatus on metal mold gravity casting and the die casting die is characterized in that: be made into cylinder with mould steel, at the circumference processing slit of cylinder air discharge duct, be installed in assigned address by the circular hole that is provided with on mould.
2. clearance type exhaust apparatus according to claim 1 is characterized in that: clearance type exhaust apparatus (3) is to go up end and foundry goods (2) corner and the delivery position that the round tube hole that is provided with is installed in mould (1) die cavity by mould (1).
3. clearance type exhaust apparatus according to claim 1, it is characterized in that: the installation round tube hole interference fit on clearance type exhaust apparatus (3) and the mould (1), clearance type exhaust apparatus (3) and foundry goods (2) contact one end reconditioning one-tenth and the consistent shape of mould (1) cavity surface.
4. clearance type exhaust apparatus according to claim 1 is characterized in that: the round tube hole of clearance type exhaust apparatus (3) and the folding mould direction of mould (1) are installed have angle.
5. clearance type exhaust apparatus according to claim 1 is characterized in that: described clearance type exhaust apparatus (3) is to use the hot die steel of integral hardness being handled HRC38～42 by heat treatment-strengthening process to be made into cylindrical.
6. clearance type exhaust apparatus according to claim 1, it is characterized in that: the slit air discharge duct (4) of described clearance type exhaust apparatus (3) is to process with line cutting technology, slit air discharge duct (4) runs through whole cylinder upper and lower end face at axial direction, in the excircle incision of cross-sectional direction, make slit air discharge duct (4) be communicated with the cylinder upper and lower end face from cylinder.
7. clearance type exhaust apparatus according to claim 1 is characterized in that: each adjacent slit air discharge duct (4) of described clearance type exhaust apparatus (3) replaces in the excircle penetraction depth length of cross-sectional direction from cylinder, and promptly L1 is greater than L2.
8. clearance type exhaust apparatus according to claim 1 is characterized in that: the width of the slit air discharge duct (4) of described clearance type exhaust apparatus (3) is 0.1～0.35MM; The width of slit air discharge duct (4) is 0.2～0.35MM on the concrete metal gravity casting die, and the width of slit air discharge duct (4) is 0.15～0.25MM on the die casting die, and the width of slit air discharge duct (4) is 0.1～0.2MM on the metal mold mould of plastics.
9. clearance type exhaust apparatus according to claim 1 is characterized in that: many slit air discharge ducts of described clearance type exhaust apparatus (3) (4) evenly distribute along same circumference.
10. clearance type exhaust apparatus according to claim 1 is characterized in that: the quantity of many slit air discharge ducts of described clearance type exhaust apparatus (3) (4) is 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201315881U CN201618839U (en) | 2010-03-12 | 2010-03-12 | Slot type exhauster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201315881U CN201618839U (en) | 2010-03-12 | 2010-03-12 | Slot type exhauster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201618839U true CN201618839U (en) | 2010-11-03 |
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ID=43022297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201315881U Expired - Fee Related CN201618839U (en) | 2010-03-12 | 2010-03-12 | Slot type exhauster |
Country Status (1)
| Country | Link |
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| CN (1) | CN201618839U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728815A (en) * | 2012-07-25 | 2012-10-17 | 福安市广源机电有限公司 | Vacuum self-gravity pouring high-static pressure strong-pouring die-casting forming equipment and technique thereof |
| CN103619508A (en) * | 2011-06-08 | 2014-03-05 | 琼利斯·布里托·赞纳特 | Breather for permanent aluminium-casting mould |
-
2010
- 2010-03-12 CN CN2010201315881U patent/CN201618839U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103619508A (en) * | 2011-06-08 | 2014-03-05 | 琼利斯·布里托·赞纳特 | Breather for permanent aluminium-casting mould |
| CN102728815A (en) * | 2012-07-25 | 2012-10-17 | 福安市广源机电有限公司 | Vacuum self-gravity pouring high-static pressure strong-pouring die-casting forming equipment and technique thereof |
| CN102728815B (en) * | 2012-07-25 | 2014-10-01 | 福安市广源机电有限公司 | Vacuum self-gravity pouring high-static pressure strong-pouring die-casting forming equipment and technique thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: He Xiaonan Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: He Xiaonan Document name: Notification of Termination of Patent Right |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20120312 |