CN110216245B - 150-Pound gate valve body seat riser-free mold and design method - Google Patents
150-Pound gate valve body seat riser-free mold and design method Download PDFInfo
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- CN110216245B CN110216245B CN201910614894.6A CN201910614894A CN110216245B CN 110216245 B CN110216245 B CN 110216245B CN 201910614894 A CN201910614894 A CN 201910614894A CN 110216245 B CN110216245 B CN 110216245B
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- gate valve
- flange
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000001502 supplementing effect Effects 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 238000005266 casting Methods 0.000 claims description 14
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- -1 steam Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/088—Feeder heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Valve Housings (AREA)
Abstract
The invention relates to the technical field of valve body molds, in particular to a 150-pound gate valve body seat riser-free mold, which comprises a valve body mold, wherein first flanges are fixedly connected to two sides of the valve body mold, a three-way valve port is communicated with the middle position of the upper end of the valve body mold, a second flange is fixedly connected to the top end of the three-way valve port, first blind risers are fixedly connected to the upper ends of the opposite sides of the two first flanges, first blind risers are fixedly connected to the opposite sides of the two first flanges, third blind risers are fixedly connected to the lower part of each first flange, second blind risers are fixedly connected to the two sides of the upper end of the second flange, a pouring mechanism is communicated between the two third blind risers, and a plurality of supplementing channels are arranged in the valve body mold. The invention also provides a design method of the 150-pound gate valve body seat riser-free mold. The invention has simple structure and is worth popularizing.
Description
Technical Field
The invention relates to the technical field of valve body molds, in particular to a 150-pound gate valve body seat riser-free mold and a design method.
Background
The valve is a control component in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, has the functions of diversion, cut-off, throttling, non-return, diversion or overflow pressure relief and the like, can control the flow of various types of fluids such as water, steam, oil products, gas, slurry, various corrosive mediums, liquid metal, radioactive fluid and the like, has the working pressure of 0.0013MPa to 1000MPa, and has the working temperature of from the ultralow temperature of minus 270 ℃ to the high temperature of 1430 ℃. From the above, along with the acceleration of the recombination step in the valve industry, the future industry will be the competition between the quality safety of the valve products and the brands of the products, the products develop towards the directions of high technology, high parameters, strong corrosion resistance and long service life, and only through continuous technical innovation, new products are developed and technical improvement is carried out, so that the technical level of the products can be gradually improved, the matching of domestic devices is satisfied, and the localization of the valves is comprehensively realized.
The gate valve has the advantages of small flow resistance, labor saving during opening and closing, simple shape, short structural length, good manufacturing manufacturability and the like, so the current industrial valve is most widely used as the gate valve; the sealing performance of the gate valve is mainly sealed by the gate plate and the sealing surface of the valve body seat, so that the quality of the gate valve body casting seat seriously influences the sealing performance of the gate valve. In the prior art, a riser is arranged on the seat part of the brake valve body for feeding the shrinkage of the seat part, so that the shrinkage defect of the seat part is prevented; the invention aims to provide a novel process design, which can ensure that a 150-pound gate valve body does not place a dead head on a seat part and can also produce a gate valve body with a defect-free seat part.
Disclosure of Invention
The invention aims to solve the defect that shrinkage cavity defect exists in a seat part in the prior art, and provides a 150-pound gate valve body seat part riser-free die and a design method.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a 150 pounds gate valve body seat does not have rising head mould, includes the valve body mould, the valve body mould comprises last mould and bed die, the equal fixedly connected with first flange in both sides of valve body mould, the upper end intermediate position department intercommunication of valve body mould has the tee bend valve port, the top fixedly connected with second flange of tee bend valve port, two the equal fixedly connected with first blind riser of one side upper end that first flange is opposite to, two the equal fixedly connected with first blind riser of one side that first flange is opposite to, every be located on the first flange the equal fixedly connected with third blind riser of below of first blind riser, the equal fixedly connected with second blind riser in upper end both sides of second flange, the upper end one side fixedly connected with second blind riser of second flange, two the intercommunication has pouring mechanism between the third blind riser, the inside of valve body mould is equipped with a plurality of supplementary way mechanisms.
Preferably, the first blind riser and the third blind riser are symmetrically distributed.
Preferably, both sides of the valve body mold are fixedly connected with a plurality of reinforcing protrusions.
Preferably, two heat dissipation protruding strips are fixedly connected with the valve body die and positioned below the three-way valve port.
Preferably, the pouring mechanism comprises a cross runner, two ends of the cross runner are communicated with the third blind riser, and one side of the middle position of the cross runner is communicated with a sprue through a ceramic tube seat.
Preferably, two sides of the first flanges opposite to each other are fixedly connected with a plurality of heat dissipation sections, and the heat dissipation sections are uniformly distributed.
Preferably, the supplementing channel mechanism comprises a first thermal pitch circle, the first thermal pitch circle is fixed on the valve body die, one side of the first thermal pitch circle is fixedly connected with a second thermal pitch circle, and a conical supplementing channel is arranged between the first thermal pitch circle and the second thermal pitch circle.
Preferably, the diameter of the second thermal pitch circle is greater than the diameter of the first thermal pitch circle.
The invention also provides a design method of the 150-pound gate valve body seat riser-free mold, which comprises the following steps:
S1: selecting and designing a pouring channel, selecting a proper size of a straight pouring channel according to the weight of casting molten steel, wherein a lower die of the straight pouring channel is arc-shaped to reduce the impact force and the gas reeling tendency of the molten steel on a horizontal pouring channel sand mold, an upper die is arc-shaped to match the flow tendency of the molten steel, a pouring system is an open pouring system to enable the molten steel to be rapidly and stably filled in a die cavity, and the total sectional area of the horizontal pouring channel is required to be more than or equal to 2 times of the sectional area of the straight pouring channel;
S2: the method comprises the steps of selecting a riser and a chill in a matching way, calculating the hot joint modulus of a gate valve body and the required riser replenishment weight, selecting corresponding risers meeting the requirements of the two according to a calculation result, arranging a rising riser at the top end of three flange surfaces respectively for effectively floating inclusions and gas in molten steel in the casting process and reducing slag holes and air holes of castings, manufacturing a manual cold end by using the chill, selecting the size of the chill according to the hot pitch diameter of the cold end, selecting the size of the chill according to the hot pitch diameter, calculating replenishment distance according to the hot pitch diameter when the thickness of the chill is larger than or equal to the hot pitch diameter, and selecting the corresponding riser number according to the placement of the chill;
s3: according to the gate valve body seat part supplementing channel structure in the S2, calculating a hot pitch circle at a gate valve body seat part hot joint, obtaining the required supplementing channel size according to the feeding sequence of M casting parts, namely M riser neck=1:1.1, and calculating the supplementing distance and the matched chilling blocks according to the gate valve body seat part hot pitch circle size, so as to determine the supplementing channel quantity.
The invention provides a 150-pound gate valve body seat riser-free mold and a design method, which have the beneficial effects that: according to the invention, by adding the method that the end flange pulls the supplementing channel to the gate valve body seat, the riser which is originally placed on the gate valve body seat is eliminated, the novel process design can improve the utilization rate of molten steel, greatly lighten the workload of the gate valve body after-treatment, improve the production efficiency and reduce the production cost.
Drawings
FIG. 1 is a schematic diagram of a 150 pound gate valve body seat riser-free mold constructed in accordance with the present invention;
FIG. 2 is a schematic elevational view of a 150 pound gate valve body seat riser-free mold in accordance with the present invention;
FIG. 3 is a schematic cross-sectional view of a 150 pound gate valve body seat riser-free mold in accordance with the present invention;
FIG. 4 is a schematic diagram of a supplemental track mechanism according to the present invention;
FIG. 5 is a schematic cross-sectional view of the structure of FIG. 4 at A-A in accordance with the present invention.
In the figure: the valve body die 1, the first flange 2, the three-way valve port 3, the second flange 4, the first blind riser 5, the second blind riser 6, the first blind riser 7, the second blind riser 8, the third blind riser 9, the cross runner 10, the sprue 11, the reinforcing protrusion 12, the heat dissipation protrusion strip 13, the heat dissipation joint 14, the first heat pitch circle 15, the second heat pitch circle 16 and the conical supplementing channel 17.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
Referring to fig. 1-5, a 150 pounds gate valve body seat does not have dead head mould, including valve body mould 1, valve body mould 1 comprises last mould and bed die, the equal fixedly connected with first flange 2 in both sides of valve body mould 1, the chill is installed to the below that is located first flange 2 in valve body mould 1, the cooling of casting fluid is accelerated, the upper end intermediate position department intercommunication of valve body mould 1 has tee bend valve port 3, the top fixedly connected with second flange 4 of tee bend valve port 3, be located second blind riser 6 in the second flange 4 and install the chill between the second blind riser 8, the equal fixedly connected with first blind riser 5 of one side upper end that two first flanges 2 are on the back, the effect of first blind riser 5 is that the shrink hole is sunken in the first flange 2 appears, the equal fixedly connected with first blind riser 7 of one side that two first flanges 2 are on the back, the effect of first blind riser 7 is the exhaust gas, the effect that has the feeding effect, the condition of observing in the valve body mould 1, the below that is located first blind riser 5 on every first flange 2 is all fixedly connected with second blind riser 9, the second blind riser 4 is avoided the second blind riser 4 to have the second blind riser 8, the second blind riser 4 is that the second blind riser 4 is in the second side of symmetry, the second blind riser 4 is connected with second blind riser 4, the second blind riser is opened and the second blind riser 4 is opened, the second blind riser is opened and the second blind riser is opened.
The pouring mechanism is communicated between the two third blind risers 9, the pouring mechanism is used for guiding pouring liquid into the valve body die 1, the pouring mechanism comprises a transverse pouring channel 10, the lower die of the transverse pouring channel 10 is arc-shaped, the upper die is arc-shaped matched with the flowing trend of molten steel, the molten steel can be enabled to be filled in a die cavity rapidly and stably, two ends of the transverse pouring channel 10 are communicated with the third blind risers 9, one side of the middle position of the transverse pouring channel 10 is communicated with a straight pouring channel 11, a plurality of supplementing channel mechanisms are arranged in the valve body die 1, and the supplementing channel mechanisms can supplement the molten steel when the internal pouring liquid is absent, so that the sinking phenomenon is avoided.
The supplementing channel mechanism comprises a first thermal pitch circle 15, the first thermal pitch circle 15 is fixed on the valve body die 1, one side of the first thermal pitch circle 15 is fixedly connected with a second thermal pitch circle 16, the diameter of the second thermal pitch circle 16 is larger than that of the first thermal pitch circle 15, a conical supplementing channel 17 is formed between the first thermal pitch circle 15 and the second thermal pitch circle 16, a plurality of reinforcing protrusions 12 are fixedly connected to two sides of the valve body die 1, the reinforcing protrusions 12 are used for reinforcing the strength of the valve body die 1, two radiating protrusion strips 13 are fixedly connected to the lower portion of the three-way valve port 3 on the valve body die 1, the radiating protrusion strips 13 are used for accelerating the radiation of the valve body die 1, a plurality of radiating knots 14 are fixedly connected to one side of the two opposite sides of the first flange 2, and the radiating knots 14 are used for reinforcing the radiation of the two sides of the valve body die 1, so that the first flanges 2 on the two sides are prevented from being uniformly distributed in a overheat phenomenon.
The invention also provides a design method of the 150-pound gate valve body seat riser-free mold, which comprises the following steps:
S1: selecting and designing a pouring gate, selecting a proper size of a straight pouring gate according to the weight of casting molten steel, wherein a lower die of the straight pouring gate is arc-shaped, an upper die is arc-shaped matched with the flowing trend of molten steel, the molten steel is quickly and stably filled in a die cavity, the straight pouring gate is a phi 50 ceramic pipe pouring gate, the lower die of the straight pouring gate is a semicircle with the radius of 29cm, the upper die is arc-shaped with the radius of 32cm, the straight pouring gate is double-water inlet, an open pouring system is adopted in the pouring system, and the total cross section of the straight pouring gate is required to be more than or equal to 2 times;
S2: the method comprises the steps of selecting a riser and a chill in a matching way, calculating the hot joint modulus of a gate valve body and the required riser replenishment weight, selecting corresponding risers meeting the requirements of the two riser modulus and the riser replenishment weight according to a calculation result, arranging a rising riser at the top end of each of three flange faces for effectively rising inclusions and gases in molten steel in the casting process and reducing slag holes and air holes of castings, arranging two blind risers at the joint line of each of the three flanges, manufacturing a manual cold end by using the chill, selecting the size of the chill according to the hot joint diameter of the chill, and then calculating replenishment distance according to the hot joint diameter when the thickness of the chill is larger than or equal to the hot joint diameter, arranging a chill at the lower die of the flange, and arranging a chill between the blind riser of the upper die of the flange and the rising riser;
s3: according to the structure of the gate valve body seat part supplementing channel in the S2, calculating the hot pitch circle at the gate valve body seat part, according to the feeding sequence of M casting parts, M riser neck=1:1.1, obtaining the conical supplementing channel with the size of the gate valve body seat part supplementing channel from phi 30 to phi 50 of the seat part hot pitch circle to the root part hot pitch circle of the end flange, and according to the size of the gate valve body seat part hot pitch circle, calculating the supplementing distance and the matched chilling block, thereby determining the quantity of the supplementing channel to be four at the two ends of the end flange respectively, and eight supplementing channels.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a 150 pounds gate valve body seat does not have riser mould, includes valve body mould (1), valve body mould (1) comprises last mould and bed die, the both sides of valve body mould (1) all fixedly connected with first flange (2), the upper end intermediate position department intercommunication of valve body mould (1) has three-way valve port (3), the top fixedly connected with second flange (4) of three-way valve port (3), its characterized in that, two one side upper end that first flange (2) are in opposition all fixedly connected with first blind riser (5), two one side that first flange (2) are in opposition all fixedly connected with first blind riser (7), every first flange (2) are located the below of first blind riser (5) all fixedly connected with third blind riser (9), the upper end both sides of second flange (4) all fixedly connected with second riser (6), the upper end one side of second flange (4) is fixedly connected with second blind riser (8), two the inside of valve body (1) are equipped with the supplementary mechanism between the blind riser;
the first blind riser (5) and the third blind riser (9) are symmetrically distributed;
both sides of the valve body die (1) are fixedly connected with a plurality of reinforcing bulges (12).
2. The 150-pound gate valve body seat riser-free mold according to claim 1, wherein two heat dissipating raised strips (13) are fixedly connected to the valve body mold (1) below the three-way valve port (3).
3. The 150-pound gate valve body seat riser-free mold of claim 1, wherein the pouring mechanism comprises a cross runner (10), two ends of the cross runner (10) are communicated with the third blind riser (9), and one side of the middle position of the cross runner (10) is communicated with a sprue (11) through a ceramic tube seat.
4. The 150-pound gate valve body seat riser-free mold according to claim 1, wherein a plurality of heat dissipation joints (14) are fixedly connected to opposite sides of the two first flanges (2), and the heat dissipation joints (14) are uniformly distributed.
5. The 150-pound gate valve body seat riser-free mold according to claim 1, wherein the supplementing channel mechanism comprises a first thermal pitch circle (15), the first thermal pitch circle (15) is fixed on the valve body mold (1), a second thermal pitch circle (16) is fixedly connected to one side of the first thermal pitch circle (15), and a conical supplementing channel (17) is formed between the first thermal pitch circle (15) and the second thermal pitch circle (16).
6. A 150 pound gate valve body seat no riser mold in accordance with claim 5 wherein the diameter of the second thermal pitch circle (16) is greater than the diameter of the first thermal pitch circle (15).
7. The method of designing a 150 pound gate valve body seat riser-free mold in accordance with claims 1-6, comprising the steps of:
S1: selecting and designing a pouring channel, selecting a proper size of a straight pouring channel according to the weight of casting molten steel, wherein a lower die of the straight pouring channel is arc-shaped to reduce the impact force and the gas reeling tendency of the molten steel on a horizontal pouring channel sand mold, an upper die is arc-shaped to match the flow tendency of the molten steel, a pouring system is an open pouring system to enable the molten steel to be rapidly and stably filled in a die cavity, and the total sectional area of the horizontal pouring channel is required to be more than or equal to 2 times of the sectional area of the straight pouring channel;
S2: the method comprises the steps of selecting a riser and a chill in a matching way, calculating the hot joint modulus of a gate valve body and the required riser replenishment weight, selecting corresponding risers meeting the requirements of the two according to a calculation result, arranging a rising riser at the top end of three flange surfaces respectively for effectively floating inclusions and gas in molten steel in the casting process and reducing slag holes and air holes of castings, manufacturing a manual cold end by using the chill, selecting the size of the chill according to the hot pitch diameter of the cold end, selecting the size of the chill according to the hot pitch diameter, calculating replenishment distance according to the hot pitch diameter when the thickness of the chill is larger than or equal to the hot pitch diameter, and selecting the corresponding riser number according to the placement of the chill;
s3: according to the gate valve body seat part supplementing channel structure in the S2, calculating a hot pitch circle at a gate valve body seat part hot joint, obtaining the required supplementing channel size according to the feeding sequence of M casting parts, namely M riser neck=1:1.1, and calculating the supplementing distance and the matched chilling blocks according to the gate valve body seat part hot pitch circle size, so as to determine the supplementing channel quantity.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019103206992 | 2019-04-20 | ||
| CN201910320699 | 2019-04-20 |
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| Publication Number | Publication Date |
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| CN110216245A CN110216245A (en) | 2019-09-10 |
| CN110216245B true CN110216245B (en) | 2024-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910614894.6A Active CN110216245B (en) | 2019-04-20 | 2019-07-09 | 150-Pound gate valve body seat riser-free mold and design method |
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| CN (1) | CN110216245B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136221A (en) * | 2020-03-17 | 2020-05-12 | 福建大通互惠精密铸造有限公司 | Riser-free process at welding end of high-pound-grade brake valve body |
| CN111250664A (en) * | 2020-03-17 | 2020-06-09 | 福建大通互惠精密铸造有限公司 | Method for preventing cracks of valve body casting of low-pound-grade large-caliber check valve |
| CN113263140B (en) * | 2020-09-04 | 2022-11-15 | 浙江泰能机械制造有限公司 | Bottom, middle cross pouring gate and valve pouring, middle way and middle way flange feeding system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203711762U (en) * | 2014-01-03 | 2014-07-16 | 承德荣茂铸钢有限公司 | Production line grinding ball mold |
| CN204413064U (en) * | 2015-01-30 | 2015-06-24 | 兴平市天合铸造有限公司 | A kind of oil drilling pump crosshead die |
| WO2018039853A1 (en) * | 2016-08-29 | 2018-03-08 | 丁先华 | Hydraulic pilot valve body casting and mould therefor |
| CN208341660U (en) * | 2018-06-24 | 2019-01-08 | 福建大通互惠精密铸造有限公司 | A kind of overlay film sand molding cast steel valve part mold with novel dead head |
| CN208341652U (en) * | 2018-06-24 | 2019-01-08 | 福建大通互惠精密铸造有限公司 | A kind of ball valve body cast steel part mould with novel dead head |
| CN208341659U (en) * | 2018-06-24 | 2019-01-08 | 福建大通互惠精密铸造有限公司 | A kind of mold of butterfly valve body |
| CN210305655U (en) * | 2019-04-20 | 2020-04-14 | 福建大通互惠精密铸造有限公司 | 150 pound floodgate valve body seat does not have rising head mould |
-
2019
- 2019-07-09 CN CN201910614894.6A patent/CN110216245B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203711762U (en) * | 2014-01-03 | 2014-07-16 | 承德荣茂铸钢有限公司 | Production line grinding ball mold |
| CN204413064U (en) * | 2015-01-30 | 2015-06-24 | 兴平市天合铸造有限公司 | A kind of oil drilling pump crosshead die |
| WO2018039853A1 (en) * | 2016-08-29 | 2018-03-08 | 丁先华 | Hydraulic pilot valve body casting and mould therefor |
| CN208341660U (en) * | 2018-06-24 | 2019-01-08 | 福建大通互惠精密铸造有限公司 | A kind of overlay film sand molding cast steel valve part mold with novel dead head |
| CN208341652U (en) * | 2018-06-24 | 2019-01-08 | 福建大通互惠精密铸造有限公司 | A kind of ball valve body cast steel part mould with novel dead head |
| CN208341659U (en) * | 2018-06-24 | 2019-01-08 | 福建大通互惠精密铸造有限公司 | A kind of mold of butterfly valve body |
| CN210305655U (en) * | 2019-04-20 | 2020-04-14 | 福建大通互惠精密铸造有限公司 | 150 pound floodgate valve body seat does not have rising head mould |
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| CN110216245A (en) | 2019-09-10 |
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