CN210547867U - Iron mold sand-lined mold suitable for producing phi 90 wear-resistant cast balls - Google Patents
Iron mold sand-lined mold suitable for producing phi 90 wear-resistant cast balls Download PDFInfo
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- CN210547867U CN210547867U CN201921010970.4U CN201921010970U CN210547867U CN 210547867 U CN210547867 U CN 210547867U CN 201921010970 U CN201921010970 U CN 201921010970U CN 210547867 U CN210547867 U CN 210547867U
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Abstract
The utility model belongs to the technical field of sand-lined molds, in particular to an iron mold sand-lined mold suitable for producing phi 90 wear-resistant cast balls, which comprises a first internal pressure riser, a second internal pressure riser and a ball bowl, wherein the first internal pressure riser is arranged at two sides of the width direction of an upper template and a lower template, and two first internal pressure risers at two sides are arranged at each side and take a sprue as a central symmetrical point; the second internal pressure risers are arranged between the first internal pressure risers on the two sides; the ball bowl is arranged around the first and second internal pressure risers; after sand coating, the top ends of the first and second internal pressure risers are 15-25 mm higher than the top ends of the correspondingly arranged ball bowls, and the bottoms of the first and second internal pressure risers are 15-25 mm higher than the bottoms of the correspondingly arranged ball bowls; the wear-resistant cast ball produced by the sand-lined iron mold die is easy to peel off, and the section appearance is good; the wear-resistant cast ball realizes uniform wear in the wear process, avoids the serious out-of-round phenomenon of the wear-resistant cast ball, and achieves the effect of reducing the wear.
Description
Technical Field
The utility model belongs to the technical field of sand-lined mold, especially one kind is applicable to production
An iron mold sand-lined mold for wear-resistant cast balls.
Background
The wear-resistant cast ball is widely applied to consumable grinding media of powder engineering such as building cement, mine metallurgy, energy thermal power and the like, and the diameter of the wear-resistant cast ball is generally within the range
At present, the known metal mold mainly comprises a sand mold and a metal mold, and each of them has disadvantages. In recent years, the metal mold sand-coating technology is applied and developed more rapidly, the metal mold sand-coating casting technology is a novel casting technology for forming a casting mold by coating a layer of molding sand on an inner cavity of a metal mold, the advantages of a sand mold casting process and a metal mold casting process are absorbed, the technical defects of the sand mold casting process and the metal mold casting process are overcome, the size precision and the surface smoothness of a cast ball are improved, and the production cost is obviously reduced. In addition, many efforts have been made by those skilled in the art to further improve the production efficiency of the cast balls and to ensure the quality of the cast balls to be improved on the basis of high production efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a method suitable for production
An iron mold sand-lined mold for wear-resistant cast balls.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
is suitable for production
Wear-resisting iron mold sand-lined mold who casts the ball, include template, lower template and correspond and install go up the sprue that template central point put, still include:
the first internal pressure risers are arranged on two sides of the upper template and the lower template in the width direction, wherein two first internal pressure risers on two sides are arranged on each side, and the straight gate is taken as a central symmetry point;
the second internal pressure risers are arranged between the first internal pressure risers on the two sides;
the ball bowls are arranged on the peripheries of the first internal pressure riser and the second internal pressure riser, and the ball bowls on the adjacent first internal pressure riser and the second internal pressure riser are in mutual avoidance positions;
wherein the first internal riser is communicated to the sprue through a first runner; the second internal pressure riser is communicated to the sprue through a second cross gate; the inner surfaces of the ball bowl, the first internal pressure riser and the second internal pressure riser are coated with a layer of resin sand, after the sand coating, the top ends of the first internal pressure riser and the second internal pressure riser are 15-25 mm higher than the top ends of the corresponding ball bowl, and the bottom ends of the first internal pressure riser and the second internal pressure riser are 15-25 mm higher than the bottom ends of the corresponding ball bowl.
In a further technical scheme, U-shaped gates are arranged at the connecting positions of the first internal pressure riser and the second internal pressure riser and the ball bowls which are correspondingly arranged.
In a further technical scheme, the inner diameter of the U-shaped gate is 34-44 mm.
In a further technical scheme, the length of the first horizontal pouring channel is 160-190 mm;
the length of the second horizontal pouring channel is 110-130 mm.
In a further technical scheme, four ball bowls are arranged on the first internal pressure riser and the second internal pressure riser correspondingly.
In a further technical scheme, a first internal pressure riser and a second internal pressure riser on the upper template are in a circular pier shape;
the first internal pressure riser and the second internal pressure riser on the lower template are flat bosses;
the ratio of the radian of the first inner pressure riser and the second inner pressure riser at the U-shaped sprue to the radian of the corresponding ball bowl is 1: 1.
Compared with the prior art, the utility model discloses following technological effect has:
in the utility model, through design, after the sand-lined metal mold is subjected to sand-lined, the top ends of the first internal pressure riser and the second internal pressure riser are 15-25 mm higher than the top ends of the correspondingly arranged ball bowls, and the bottom ends of the first internal pressure riser and the second internal pressure riser are 15-25 mm higher than the bottom ends of the correspondingly arranged ball bowls; ensures that the sand-lined mould is produced
The wear-resistant cast ball has better feeding effect and heat preservation effect; the produced wear-resistant cast ball is easier to peel off, and the section appearance is good; the wear-resistant cast ball realizes uniform wear in the wear process, avoids the serious out-of-round phenomenon of the wear-resistant cast ball, and achieves the effect of reducing the wear.
Other features and advantages of the present invention will be described in detail in the following detailed description.
Drawings
FIG. 1 shows that the utility model provides a suitable for production
The structural schematic diagram of the sand-lined iron mold of the wear-resistant cast ball;
3 FIG. 32 3 is 3 a 3 cross 3- 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 31 3; 3
The reference numbers in the figures illustrate: 10-upper mould plate, 101-sprue, 20-lower mould plate, 31-first internal pressure riser, 32-second internal pressure riser, 40-ball bowl, 51-first runner, 52-second runner and 60-U-shaped sprue.
Detailed Description
In order to make the technical means, creation characteristics, achievement purpose and efficacy of the utility model easy to understand and understand, the utility model is further clarified by combining the specific drawings.
As shown in the combined drawings 1 and 2, the utility model provides a device suitable for production
The sand-lined metal mold for the wear-resistant cast ball comprises an upper template 10, a lower template 20 and a sprue 101 correspondingly installed at the central position of the upper template 10, and further comprises a first internal pressure riser 31, a second internal pressure riser 32 and a ball bowl 40; the first internal pressure risers 31 are arranged on two sides of the upper template 10 and the lower template 20 in the width direction, two first internal pressure risers 31 are arranged on each side, and the first internal pressure risers 31 on the two sides are symmetrical by taking the sprue 101 as a central point; the second internal pressure risers 32 are arranged between the first internal pressure risers 31 on the two sides; the ball bowls 40 are arranged on the peripheries of the first internal pressure riser 31 and the second internal pressure riser 32, and the ball bowls 40 on the adjacent first internal pressure riser 31 and the second internal pressure riser 32 are in mutually-avoiding positions;
the first internal riser 31 is communicated to the sprue 101 through a first runner 51; the second internal riser 32 is communicated to the sprue 101 through a second runner 52; the inner surfaces of the ball bowl 40, the first inner pressure riser 31 and the second inner pressure riser 32 are coated with a layer of resin sand, after the sand coating, the top ends of the first inner pressure riser 31 and the second inner pressure riser 32 are 15-25 mm higher than the top end of the ball bowl 40 correspondingly arranged, and the bottom parts of the first inner pressure riser 31 and the second inner pressure riser 32 are 15-25 mm higher than the bottom part of the ball bowl 40 correspondingly arranged.
The inventor of the utility model finds that the quality of the wear-resistant cast ball is not only related to the composition of the molten iron, the temperature during casting, the time for casting, the speed during casting, but also related to the specification and the size of the sand-coated die, namely the arrangement position and the size design of a pouring channel, an internal pressure riser and even a ball bowl 40; alternatively, based on the findings of the present inventors, the design of the sand-lined mold has a decisive influence on the quality of the finally produced wear-resistant cast balls.
Specifically, the utility model discloses in, after the cover sand, the top of first internal pressure rising head 31, second internal pressure rising head 32 is higher than the top that corresponds ball bowl 40 that sets up by 15 ~ 25mm, the bottom of first internal pressure rising head 31, second internal pressure rising head 32 is higher than the bottom that corresponds ball bowl 40 that sets up by 15 ~ 25 mm. Therefore, the sand-lined mold is ensured to have better feeding effect and heat preservation effect, and the produced wear-resistant cast ball is easier to peel off and has good section appearance; the wear-resistant cast ball realizes uniform wear in the wear process, avoids the serious out-of-round phenomenon of the wear-resistant cast ball, and achieves the effect of reducing the wear.
Further, according to the present invention, the connection between the first internal pressure riser 31 and the second internal pressure riser 32 and the corresponding ball cup 40 is provided with a U-shaped gate 60.
Further, in the present invention, the inner diameter of the U-shaped gate 60 is 34-44 mm.
In the present invention, the length of the first horizontal runner 51 is 160-190 mm;
the length of the second horizontal pouring gate 52 is 110-130 mm.
The utility model discloses in, correspond to arrange ball bowl 40 on first internal pressure rising head 31, the second internal pressure rising head 32 all is equipped with four.
In the utility model, the first internal pressure riser 31 and the second internal pressure riser 32 on the upper shaping plate 10 are in the shape of circular piers;
the first internal pressure riser 31 and the second internal pressure riser 32 on the lower shaping plate 20 are flat boss-shaped;
the ratio of the radian of the first internal pressure riser 31 and the second internal pressure riser 32 at the U-shaped gate 60 to the radian of the corresponding ball bowl 40 is 1: 1.
The following provides a further description of the sand-lined metal mold for a wear-resistant cast ball according to the present invention by way of specific embodiments.
The utility model discloses in the production process of wear-resisting cast ball include:
1) selecting materials, namely selecting large angle steel and waste steel;
2) smelting in an electric melting furnace, and adding chromium, manganese, vanadium, titanium, rare earth metal and the like according to different product requirements;
3) casting in combination with a full-automatic constant-temperature casting production line, and forming at one time;
4) the whipped system, make the casting separate from sand mould, reclaim the used sand;
5) heat treatment;
6) and (5) detecting and warehousing casting products.
The wear-resistant cast ball with the diameter of 90mm is produced according to the sand-lined iron mold provided by the utility model, and is applied to an iron ore dressing plant, and the abrasion is 0.7 kg/ton ore in a phi 5.03 multiplied by 6.4 ball mill (the specularite content is higher, and the ore grinding granularity is less than or equal to 12 mm); the abrasion of the wear-resistant cast ball produced by the same manufacturer is 0.9-1.0 kg/ton ore. That is, the utility model provides a sand mould is covered to swage, the wear-resisting cast ball's of its manufacturing quality is better.
The foregoing shows and describes the general principles, essential features, and features of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description of the above embodiments and the description is 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 these changes and modifications are all within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an iron mold sand-lined mold suitable for production phi 90 wear-resisting cast ball, includes template (10), lower template (20) and corresponds install last template (10) central point puts sprue (101), its characterized in that still includes:
the first internal pressure risers (31) are arranged on two sides of the upper template (10) and the lower template (20) in the width direction, wherein two first internal pressure risers (31) are arranged on each side, and the first internal pressure risers (31) on the two sides are symmetrical by taking the sprue (101) as a central point;
second internal pressure risers (32) arranged between the first internal pressure risers (31) on both sides;
the ball bowls (40) are arranged on the peripheries of the first internal pressure riser (31) and the second internal pressure riser (32), and the ball bowls (40) on the adjacent first internal pressure riser (31) and the second internal pressure riser (32) are in mutually-retreated positions;
wherein the first internal riser (31) is communicated to the sprue (101) via a first runner (51); the second internal riser (32) is communicated to the sprue (101) through a second runner (52); the internal surface of ball bowl (40), first internal pressure rising head (31) and second internal pressure rising head (32) covers has one deck resin sand, and after the cover sand, the top of first internal pressure rising head (31), second internal pressure rising head (32) is higher than the top that corresponds ball bowl (40) that sets up and is 15 ~ 25mm, the bottom of first internal pressure rising head (31), second internal pressure rising head (32) is higher than the bottom that corresponds ball bowl (40) that sets up and is 15 ~ 25 mm.
2. The sand-lined metal mold for producing phi 90 wear-resistant cast balls as claimed in claim 1, wherein the joints of the first internal pressure riser (31) and the second internal pressure riser (32) with the correspondingly arranged ball bowls (40) are provided with U-shaped gates (60).
3. The sand lined metal mold for producing phi 90 wear-resistant cast balls as claimed in claim 2, wherein the inner diameter of the U-shaped gate (60) is 34-44 mm.
4. The sand-lined metal mold for producing phi 90 wear-resistant cast balls according to claim 1, wherein the length of the first runner (51) is 160-190 mm;
the length of the second cross pouring channel (52) is 110-130 mm.
5. The sand-lined metal mold for producing phi 90 wear-resistant cast balls according to claim 1, wherein four ball bowls (40) are arranged correspondingly on the first internal pressure riser (31) and the second internal pressure riser (32).
6. The sand-lined metal mold for producing phi 90 wear-resistant cast balls as claimed in claim 1, wherein the first internal pressure riser (31) and the second internal pressure riser (32) on the upper template (10) are in the shape of circular piers;
the first internal pressure riser (31) and the second internal pressure riser (32) on the lower shaping plate (20) are flat boss-shaped;
the ratio of the radian of the first internal pressure riser (31) and the second internal pressure riser (32) at the U-shaped gate (60) to the radian of the corresponding ball bowl (40) is 1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921010970.4U CN210547867U (en) | 2019-07-01 | 2019-07-01 | Iron mold sand-lined mold suitable for producing phi 90 wear-resistant cast balls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921010970.4U CN210547867U (en) | 2019-07-01 | 2019-07-01 | Iron mold sand-lined mold suitable for producing phi 90 wear-resistant cast balls |
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| Publication Number | Publication Date |
|---|---|
| CN210547867U true CN210547867U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921010970.4U Active CN210547867U (en) | 2019-07-01 | 2019-07-01 | Iron mold sand-lined mold suitable for producing phi 90 wear-resistant cast balls |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227799A (en) * | 2019-07-01 | 2019-09-13 | 安徽省凤形耐磨材料股份有限公司 | Suitable for producing the device for sand coated iron mould mold of 90 wear resisting cast ball of φ |
-
2019
- 2019-07-01 CN CN201921010970.4U patent/CN210547867U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227799A (en) * | 2019-07-01 | 2019-09-13 | 安徽省凤形耐磨材料股份有限公司 | Suitable for producing the device for sand coated iron mould mold of 90 wear resisting cast ball of φ |
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Effective date of registration: 20200910 Address after: 242300 north side of Dongcheng Road, Ningguo economic and Technological Development Zone, Xuancheng City, Anhui Patentee after: Anhui FengXing New Material Technology Co., Ltd Address before: 242300 north side of Dongcheng Road, Ningguo economic and Technological Development Zone, Xuancheng, Anhui Patentee before: ANHUI FENGXING WEAR RESISTANT MATERIALS Co.,Ltd. |