CN110238351B - Ultra-thin type piston mould waters - Google Patents
Ultra-thin type piston mould waters Download PDFInfo
- Publication number
- CN110238351B CN110238351B CN201910660894.XA CN201910660894A CN110238351B CN 110238351 B CN110238351 B CN 110238351B CN 201910660894 A CN201910660894 A CN 201910660894A CN 110238351 B CN110238351 B CN 110238351B
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- chamber
- runner
- fixed
- intracavity
- connecting rod
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- 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
- B22C9/22—Moulds for peculiarly-shaped castings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses an ultra-thin piston mold pouring gate which comprises a connector, wherein an upper pouring gate is fixedly arranged at the upper end of the connector, a communicating hole with an upward opening and communicated with the upper pouring gate is arranged in the upper pouring gate, a splicing cavity with a downward opening is communicated with the lower side of the communicating hole, a lower pouring gate communicated with the lower side of the communicating hole is arranged in the splicing cavity, a fixing ring is fixedly arranged at the upper end of the outer circular surface of the lower pouring gate, splicing devices are arranged at the left side and the right side of the splicing cavity, and clamp and fix the lower pouring gate through the fixing ring.
Description
Technical Field
The invention relates to the technical field of die pouring gate design, in particular to an ultrathin piston die pouring gate.
Background
When the production piston, adopt the mode of pouring in the mould, when the pouring, need use and water, carry out the water conservancy diversion to liquid metal, the mode that current watering mostly adopts direct simple concatenation, then directly bury in husky, wherein extravagant metal volume is great, recovery processing need be carried out in the later stage, not only the utilization ratio of metal is lower, it is also extremely troublesome to handle, consequently, an ultra-thin type piston mould waters in urgent need, can significantly reduce the waste to metal material when the pouring through this device, the recovery processing to waste gas metal has been reduced, the utilization ratio of metal is greatly improved, and the pouring efficiency has been effectually improved.
Disclosure of Invention
The invention aims to provide an ultra-thin piston mould pouring channel which is used for overcoming the defects in the prior art.
The ultrathin piston mold runner comprises a connector, an upper runner is fixedly arranged at the upper end of the connector, a communicating hole which is upward in opening and communicated with the upper runner is arranged in the upper runner, a splicing cavity with a downward opening is communicated with the lower side of the communicating hole, a lower runner communicated with the lower side of the communicating hole is arranged in the splicing cavity, a fixing ring is fixedly arranged at the upper end of the outer circular surface of the lower runner, splicing devices are arranged at the left side and the right side of the splicing cavity and clamp and fix the lower runner through the fixing ring, isolating devices are arranged at the left side and the right side of the communicating hole and can seal the upper side in the communicating hole to isolate the upper runner from liquid metal in the lower runner, then the splicing devices are opened to separate the lower runner from the connector, and at the moment, the connector and the upper runner are taken out of molding sand, the liquid metal in the upper pouring channel can be completely reserved and can be directly recycled, a locking device is arranged on the lower side of the isolation device, the splicing device can lock the isolation device after the isolation device isolates the communicating holes vertically, a control device is arranged on the rear side of the communicating holes, and the control device can control the splicing device and the isolation device and unlock the locking device.
Further technical scheme, splicing apparatus locates including symmetry and intercommunication the cardboard chamber of two walls about the concatenation chamber, but cardboard intracavity horizontal slip be equipped with the grip block, the relative one end of grip block can with the outer disc of the lower gate supports tightly, and will solid fixed ring chucking, the opposite one end of grip block with fixedly connected with roof pressure spring between the cardboard intracavity wall, cardboard chamber back wall intercommunication is equipped with promotes the chamber, the grip block rear end is kept away from the fixed being equipped with of symmetry center one end and is extended to promote the fixed block of intracavity.
A further technical scheme, isolating device includes that symmetry and intercommunication are located the baffle chamber of two wall upsides about the intercommunicating pore, baffle intracavity slidable is equipped with the division board, baffle chamber downside intercommunication is equipped with the swing chamber, the fixed translation pole that extends to in the swing intracavity that is equipped with of center of symmetry one end is kept away from to the division board lower extreme, it is equipped with sharp spout to run through around in the translation pole, the rotatable carousel that is equipped with of swing intracavity center downside, the fixed pendulum rod that is equipped with of center of symmetry one end is kept away from to the carousel, the pendulum rod is kept away from fixed being equipped with of carousel one end is passed the slide bar of sharp spout, the fixed pivot that is equipped with in carousel axle center, the pivot connect in controlling means, be equipped.
A further technical scheme, locking device locates including the intercommunication swing chamber lower wall just right the kelly chamber of carousel downside, the kelly intracavity slidable is equipped with the kelly from top to bottom, the kelly lower extreme with fixedly connected with compression spring between the kelly chamber lower wall, kelly chamber back wall intercommunication is equipped with first connecting rod chamber, the gliding first connecting rod that is equipped with from top to bottom in first connecting rod chamber be equipped with fixed connection in the first connecting rod of kelly rear end, first connecting rod chamber is close to symmetry center one side inner wall rear end intercommunication and is equipped with the second connecting rod chamber, the gliding second connecting rod intracavity be equipped with fixed connection from top to bottom in the second connecting rod of first connecting rod rear end, the intercommunication is equipped with presses the chamber between the second connecting rod chamber, it is equipped with fixed connection in to press intracavity slidable press the piece between the second connecting rod.
A further technical scheme, controlling means locates including the intercommunication promote the removal chamber of chamber rear side, but remove the intracavity horizontal slip be equipped with the carriage release lever, the carriage release lever front end is fixed to be equipped with and extends to promote the catch bar of intracavity, the catch bar is located same one side the position that the fixed block is close to the center, carriage release lever up end internal fixation is equipped with the rack, the pivot rear end extends to same one side remove the intracavity fixation be equipped with can with rack upper end meshed straight-teeth gear, carriage release lever female connection has the screw rod, remove between the chamber be equipped with communicate in the control chamber of pressing the chamber rear side, the relative one end of screw rod extends to the control intracavity fixation is equipped with driven bevel gear, the rotatable being equipped with of control chamber upper wall is in the left and right sides the initiative bevel gear of driven bevel gear upper end.
A further technical scheme, be equipped with around the connector upside and carry the pull rod, carry the fixed disc that is equipped with in pull rod upper end, the front side carry the pull rod fixed locate the connector up end, the rear side carry the pull rod rotate connect in the connector up end, the rear side carry pull rod lower extreme fixed connection in initiative bevel gear axle center, the rear side carry and run through about in the pull rod and be equipped with through-hole, be equipped with the axle of pressing in the through-hole, press the briquetting rear end to extend to in the control intracavity, press a lower extreme fixed connection in press the briquetting rear end, press epaxial end fixed button that is equipped with.
The invention has the beneficial effects that: the device has a simple structure, is convenient to operate, can greatly reduce the waste of metal materials during pouring, reduces the recovery treatment of waste gas metal, greatly improves the utilization rate of metal, and effectively improves the pouring efficiency.
Drawings
FIG. 1 is a schematic view of the internal structure of a pouring channel of an ultra-thin piston mold according to the present invention;
FIG. 2 is an enlarged schematic view of "A" in FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" in FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;
FIG. 5 is a schematic view of the structure in the direction "D-D" in FIG. 4;
FIG. 6 is a schematic view of the structure in the direction "E-E" in FIG. 1;
FIG. 7 is a schematic view of the structure in the direction "F-F" in FIG. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1-7, the ultra-thin piston mold runner according to the embodiment of the present invention includes a connector 11, an upper runner 12 is fixedly disposed at an upper end of the connector 11, a communication hole 13 having an upward opening and communicating with the upper runner 12 is disposed in the upper runner 12, a splicing chamber 14 having a downward opening is communicated with a lower side of the communication hole 13, a lower runner 15 communicating with a lower side of the communication hole 13 is disposed in the splicing chamber 14, a fixing ring 16 is fixedly disposed at an upper end of an outer circumferential surface of the lower runner 15, splicing devices 101 are disposed at left and right sides of the splicing chamber 14, the splicing devices 101 clamp and fix the lower runner 15 through the fixing ring 16, isolating devices 102 are disposed at left and right sides of the communication hole 13, the isolating devices 102 can seal an upper side in the communication hole 13 to isolate the upper runner 12 from liquid metal in the lower runner 15, then the splicing device 101 is opened, the lower runner 15 and the connecting head 11 are separated, at this time, the connecting head 11 and the upper runner 12 are taken out from the molding sand, the liquid metal in the upper runner 12 is completely reserved and can be directly recovered, a locking device 103 is arranged on the lower side of the isolating device 102, after the communicating hole 13 is isolated up and down by the isolating device 102, the splicing device 101 can lock the isolating device 102, a control device 104 is arranged on the rear side of the communicating hole 13, and the control device 104 can control the splicing device 101 and the isolating device 102 and unlock the locking device 103.
Beneficially, the splicing device 101 includes a clamping plate cavity 17 symmetrically and communicated with the left wall and the right wall of the splicing cavity 14, a clamping plate 18 is slidably arranged in the clamping plate cavity 17, an opposite end of the clamping plate 18 can abut against the outer circumferential surface of the lower runner 15 and clamp the fixing ring 16, a top pressure spring 19 is fixedly connected between an opposite end of the clamping plate 18 and the inner wall of the clamping plate cavity 17, a pushing cavity 20 is communicated with the rear wall of the clamping plate cavity 17, and a fixing block 21 extending into the pushing cavity 20 is fixedly arranged at one end of the rear end of the clamping plate 18 away from the symmetric center.
Beneficially, the isolating device 102 includes baffle cavities 22 symmetrically and communicated with the upper sides of the left and right walls of the communicating hole 13, a partition plate 23 is slidably disposed in the baffle cavity 22, a swing cavity 24 is communicated with the lower side of the baffle cavity 22, one end of the lower end surface of the partition plate 23, which is far away from the symmetry center, is fixedly provided with a translation rod 25 extending into the swing cavity 24, a linear sliding groove 26 is disposed in the translation rod 25 in a front-back penetrating manner, a rotary plate 27 is rotatably disposed at the lower side of the center in the swing cavity 24, one end of the rotary plate 27, which is far away from the symmetry center, is fixedly provided with a swing rod 28, one end of the swing rod 28, which is far away from the rotary plate 27, is fixedly provided with a sliding rod 29 penetrating through the linear sliding groove 26, the axis of the rotary plate 27 is.
Advantageously, said locking means 103 comprise a bar cavity 40 placed in communication with the lower wall of said oscillating chamber 24 and facing the lower side of said carousel 27, a clamping rod 41 is arranged in the clamping rod cavity 40 in a vertically sliding manner, a compression spring 42 is fixedly connected between the lower end of the clamping rod 41 and the lower wall of the clamping rod cavity 40, a first connecting rod cavity 43 is communicated with the rear wall of the clamping rod cavity 40, a first connecting rod 44 fixedly connected with the rear end of the clamping rod 41 is arranged in the first connecting rod cavity 43 in a vertically sliding manner, the rear end of the inner wall of the first connecting rod cavity 43 close to one side of the symmetry center is communicated with a second connecting rod cavity 45, a second connecting rod 46 fixedly connected with the rear end of the first connecting rod 44 is arranged in the second connecting rod cavity 45 in a vertically sliding manner, a pressing cavity 47 is communicated between the second connecting rod cavities 45, and a pressing block 48 fixedly connected between the second connecting rods 46 is slidably arranged in the pressing cavity 47.
Advantageously, said control means 104 comprise a movement chamber 31 placed in communication with the rear side of said push chamber 20, a moving rod 32 is arranged in the moving cavity 31 in a left-right sliding manner, a pushing rod 33 extending into the pushing cavity 20 is fixedly arranged at the front end of the moving rod 32, the pushing rod 33 is positioned at the same side, the fixed block 21 is close to the center, a rack 34 is fixedly arranged in the upper end face of the moving rod 32, a straight gear 35 which can be meshed with the upper end of the rack 34 is fixedly arranged in the moving cavity 31 of which the rear end of the rotating shaft 30 extends to the same side, a screw rod 36 is connected with the inner thread of the moving rod 32, a control cavity 37 communicated with the rear side of the pressing cavity 47 is arranged between the moving cavities 31, the opposite end of the screw rod 36 extends into the control cavity 37 and is fixedly provided with a driven bevel gear 38, the upper wall of the control chamber 37 is rotatably provided with a driving bevel gear 39 engaged with the upper ends of the driven bevel gears 38 at the left and right sides.
Beneficially, be equipped with around the connector 11 upside and carry pull rod 50, carry the fixed disc 51 that is equipped with in pull rod 50 upper end, the front side carry pull rod 50 fixed locate connector 11 up end, the rear side carry pull rod 50 rotate connect in connector 11 up end, the rear side carry pull rod 50 lower extreme fixed connection in drive bevel gear 39 axle center, the rear side carry pull rod 50 interior run through from top to bottom and be equipped with logical shaft hole 52, be equipped with in the logical shaft hole 52 and press the axle 53, press the piece 48 rear end to extend to in the control chamber 37, press axle 53 lower extreme fixed connection in press the piece 48 rear end, press axle 53 upper end fixed be equipped with button 54.
In the initial state, the partition plate 23 is retracted into the baffle cavity 22, the clamping plate 18 clamps and fixes the down gate 15, the clamping rod 41 is retracted into the clamping rod cavity 40, and the pressing block 48 is located at the lower limit position.
When pouring, the lower pouring gate 15 is communicated with the subsequent pouring gate, the connector 11 and the lower pouring gate 15 are buried in molding sand, liquid metal is poured in through the upper pouring gate 12, flows into the lower pouring gate 15 through the communicating hole 13 and flows into the cavity, after pouring is finished, the rear disc 51 is rotated, the driving bevel gear 39 is driven to rotate through the rear lifting rod 50, the driven bevel gear 38 is driven to rotate through gear meshing and drives the screw rod 36 to rotate, the moving rods 32 are driven to be away from each other through threaded connection, the rack 34 drives the spur gear 35 to rotate when moving due to gear meshing, the rotating disc 27 is driven to rotate through the rotating shaft 30, the swing rod 28 is overturned by one hundred eighty degrees to the opposite side, the sliding rod 25 is driven to mutually approach through the sliding rod 29, the opposite end of the partition plate 23 is driven to extend into the communicating hole 13 and abut against the communicating hole 13, the upper side and the lower side of, the clamping rod 41 rises into the clamping groove 60 under the elasticity of the compression spring 42, the pressing block 48 is driven to rise through the first connecting rod 44 and the second connecting rod 46, the rack 34 is disengaged from the straight gear 35 at the moment, the pushing rod 33 abuts against the fixed block 21, the moving rods 32 continue to move away from each other, the pushing rod 33 pushes the fixed block 21 to move away from each other, the clamping plates 18 are driven to move away from each other and retract into the clamping plate cavity 17, and the device is taken out of sand through the discs 51 on the front side and the rear side at the moment;
after the liquid metal is taken out, the button 54 is pressed, the pressing shaft 53 drives the pressing block 48 to descend, the clamping rod 41 is further driven to move downwards out of the clamping groove 60, the disc 51 at the rear side is reversed at the moment, the device is reset, and the liquid metal in the upper pouring channel 12 is recovered.
The invention has the beneficial effects that: the device has a simple structure, is convenient to operate, can greatly reduce the waste of metal materials during pouring, reduces the recovery treatment of waste gas metal, greatly improves the utilization rate of metal, and effectively improves the pouring efficiency.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.
Claims (6)
1. An ultra-thin piston mold runner comprises a connector, wherein an upper runner is fixedly arranged at the upper end of the connector, a communicating hole with an upward opening and communicated with the upper runner is arranged in the upper runner, a splicing cavity with a downward opening is communicated with the lower side of the communicating hole, a lower runner is communicated with the lower side of the communicating hole and arranged in the splicing cavity, a fixing ring is fixedly arranged at the upper end of the outer circular surface of the lower runner, splicing devices are arranged at the left side and the right side of the splicing cavity, the lower runner is clamped and fixed by the splicing devices through the fixing ring, isolating devices are arranged at the left side and the right side of the communicating hole, the upper side in the communicating hole can be sealed by the isolating devices, the upper runner is isolated from liquid metal in the lower runner, then the splicing devices are opened, the lower runner is separated from the connector, and the connector and the upper runner, the liquid metal in the upper pouring channel can be completely reserved and can be directly recycled, a locking device is arranged on the lower side of the isolation device, the splicing device can lock the isolation device after the isolation device isolates the communicating holes vertically, a control device is arranged on the rear side of the communicating holes, and the control device can control the splicing device and the isolation device and unlock the locking device.
2. The ultra-thin piston mold runner of claim 1, wherein: splicing apparatus locates including symmetry and intercommunication the cardboard chamber of two walls about the concatenation chamber, but cardboard intracavity horizontal slip be equipped with the grip block, the relative one end of grip block can with the outer disc of lower gate supports tightly, and will solid fixed ring chucking, the opposite one end of grip block with fixedly connected with roof pressure spring between the cardboard intracavity wall, cardboard chamber back wall intercommunication is equipped with promotes the chamber, the grip block rear end is kept away from the fixed being equipped with of symmetry center one end and is extended to promote the fixed block of intracavity.
3. The ultra-thin piston mold runner of claim 2, wherein: isolating device locates including symmetry and intercommunication the baffle chamber of both sides wall upside about the intercommunicating pore, baffle intracavity slidable is equipped with the division board, baffle chamber downside intercommunication is equipped with the swing chamber, the fixed extension that is equipped with of center of symmetry one end is kept away from to the terminal surface under the division board the translation pole in the swing intracavity, it is equipped with sharp spout to run through around in the translation pole, the rotatable carousel that is equipped with of center downside in the swing intracavity, the fixed pendulum rod that is equipped with of center of symmetry one end is kept away from to the carousel, the pendulum rod is kept away from the fixed slide bar that is equipped with the pass of carousel one end sharp spout, the fixed pivot that is equipped with in carousel axle center, the pivot connect in controlling means.
4. The ultra-thin piston mold runner of claim 3, wherein: locking device is located including the intercommunication swing chamber lower wall just right the kelly chamber of carousel downside, the kelly intracavity can be gliding from top to bottom be equipped with the kelly, the kelly lower extreme with fixedly connected with compression spring between the kelly chamber lower wall, kelly chamber back wall intercommunication is equipped with first connecting rod chamber, gliding from top to bottom be equipped with in first connecting rod chamber be equipped with fixed connection in the first connecting rod of kelly rear end, first connecting rod chamber is close to symmetry center one side inner wall rear end intercommunication and is equipped with the second connecting rod chamber, gliding from top to bottom be equipped with in second connecting rod chamber be equipped with fixed connection in the second connecting rod of first connecting rod rear end, the intercommunication is equipped with between the second connecting rod chamber presses the chamber, it is equipped with fixed connection in to press intracavity slidable press the pressure piece between the second connecting rod.
5. The ultra-thin piston mold runner of claim 4, wherein: controlling means locates including the intercommunication promote the removal chamber of chamber rear side, but remove intracavity horizontal slip's the carriage release lever that is equipped with, the carriage release lever front end is fixed to be equipped with and extends to promote the catch bar of intracavity, the catch bar is located same one side the fixed block is close to the position at center, carriage release lever up end internal fixation is equipped with the rack, the pivot rear end extends to with one side remove intracavity fixation be equipped with can with the straight-teeth gear of rack upper end meshing, carriage release lever female connection has the screw rod, be equipped with between the removal chamber communicate in the control chamber of pressing the chamber rear side, the relative one end of screw rod extends to the control intracavity fixation is equipped with driven bevel gear, the rotatable being equipped with of control chamber upper wall is in the left and right sides driven bevel gear upper end initiative bevel gear.
6. The ultra-thin piston mold runner of claim 5, wherein: be equipped with around the connector upside and carry the pull rod, carry the fixed disc that is equipped with in pull rod upper end, the front side carry the pull rod fixed locating the connector up end, the rear side carry the pull rod rotate connect in the connector up end, the rear side carry pull rod lower extreme fixed connection in initiative bevel gear axle center, the rear side carry and run through about in the pull rod and be equipped with through-hole, be equipped with in the through-hole shaft and press the axle, press the briquetting rear end to extend to in the control chamber, press a lower extreme fixed connection in press the briquetting rear end, press the fixed button that is equipped with in epaxial end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910660894.XA CN110238351B (en) | 2019-07-22 | 2019-07-22 | Ultra-thin type piston mould waters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910660894.XA CN110238351B (en) | 2019-07-22 | 2019-07-22 | Ultra-thin type piston mould waters |
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| Publication Number | Publication Date |
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| CN110238351A CN110238351A (en) | 2019-09-17 |
| CN110238351B true CN110238351B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910660894.XA Active CN110238351B (en) | 2019-07-22 | 2019-07-22 | Ultra-thin type piston mould waters |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111215581B (en) * | 2019-11-25 | 2021-09-07 | 金华市宝琳科技股份有限公司 | Casting die utensil |
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| US3844337A (en) * | 1972-12-18 | 1974-10-29 | Packaging Corp America | Pouring sprue |
| JPH11104811A (en) * | 1997-10-01 | 1999-04-20 | Masamitsu Miki | Feeder head sleeve |
| WO2012100658A1 (en) * | 2011-01-28 | 2012-08-02 | 武安市文祥合金制造有限公司 | Gating system |
| CN203470831U (en) * | 2013-09-24 | 2014-03-12 | 宁波金球机电铸造有限公司 | Filter device for investment casting |
| CN204842864U (en) * | 2015-06-17 | 2015-12-09 | 力源活塞工业集团股份有限公司 | Novel lower double -piston casting mould of loosing core that waters |
| CN107866527A (en) * | 2017-11-01 | 2018-04-03 | 中车长江铜陵车辆有限公司 | A kind of built-in type gate system |
| CN207386491U (en) * | 2017-10-25 | 2018-05-22 | 黄石坤海铸业有限公司 | A kind of novel riser sprue ironcasting runner system |
| CN208467185U (en) * | 2018-07-17 | 2019-02-05 | 苏州东颖精密模具有限公司 | A kind of auto parts casting mould with high accuracy |
| CN109332594A (en) * | 2018-11-20 | 2019-02-15 | 沈阳航发精密铸造有限公司 | A kind of anti-connection method for being mingled with sprue cup of heavy castings |
-
2019
- 2019-07-22 CN CN201910660894.XA patent/CN110238351B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3844337A (en) * | 1972-12-18 | 1974-10-29 | Packaging Corp America | Pouring sprue |
| JPH11104811A (en) * | 1997-10-01 | 1999-04-20 | Masamitsu Miki | Feeder head sleeve |
| WO2012100658A1 (en) * | 2011-01-28 | 2012-08-02 | 武安市文祥合金制造有限公司 | Gating system |
| CN203470831U (en) * | 2013-09-24 | 2014-03-12 | 宁波金球机电铸造有限公司 | Filter device for investment casting |
| CN204842864U (en) * | 2015-06-17 | 2015-12-09 | 力源活塞工业集团股份有限公司 | Novel lower double -piston casting mould of loosing core that waters |
| CN207386491U (en) * | 2017-10-25 | 2018-05-22 | 黄石坤海铸业有限公司 | A kind of novel riser sprue ironcasting runner system |
| CN107866527A (en) * | 2017-11-01 | 2018-04-03 | 中车长江铜陵车辆有限公司 | A kind of built-in type gate system |
| CN208467185U (en) * | 2018-07-17 | 2019-02-05 | 苏州东颖精密模具有限公司 | A kind of auto parts casting mould with high accuracy |
| CN109332594A (en) * | 2018-11-20 | 2019-02-15 | 沈阳航发精密铸造有限公司 | A kind of anti-connection method for being mingled with sprue cup of heavy castings |
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| CN110238351A (en) | 2019-09-17 |
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Effective date of registration: 20210302 Address after: 276000 Shanjian Road, meibu office, Linyi Economic and Technological Development Zone, Shandong Province Applicant after: Linyi Shengde Machinery Co.,Ltd. Address before: 2 / F, No.17, Lane 41, Chifeng Road, Chian Town, Yiwu City, Jinhua City, Zhejiang Province 321000 Applicant before: Yiwu Yode New Materials Co.,Ltd. |
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