CN114871384A - Precision casting process of resin sand for cast iron furnace door - Google Patents
Precision casting process of resin sand for cast iron furnace door Download PDFInfo
- Publication number
- CN114871384A CN114871384A CN202210649732.8A CN202210649732A CN114871384A CN 114871384 A CN114871384 A CN 114871384A CN 202210649732 A CN202210649732 A CN 202210649732A CN 114871384 A CN114871384 A CN 114871384A
- Authority
- CN
- China
- Prior art keywords
- sand
- furnace door
- casting process
- cast iron
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/02—Sectional flasks, i.e. with divided, articulated, or interchangeable side sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D15/00—Casting using a mould or core of which a part significant to the process is of high thermal conductivity, e.g. chill casting; Moulds or accessories specially adapted therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses a precision casting process of resin sand for a cast iron furnace door, which comprises an upper mould assembling box, wherein a first sand seat is fixedly arranged in the upper mould assembling box, a top plate is embedded at the bottom of the first sand seat, two ends of the bottom of the top plate are respectively and fixedly connected with a hole column and a fixing rod, one end of the bottom of the top plate, which is close to the fixing rod, is provided with a second notch, the fixing rod vertically penetrates through the inside of the second notch, the middle of the bottom of the top plate is fixedly provided with a door plate, the inside of the door plate is provided with a fixing port, and one end of the bottom of the fixing port is provided with a fixing hole; the furnace door casting mould further comprises a lower mould assembling box, wherein a second moulding sand seat is fixedly arranged inside the lower mould assembling box, a forming groove is formed in the top of the second moulding sand seat, and directional holes are formed in four corners of the second moulding sand seat. The cast iron furnace door resin sand precision casting process is formed in one step through pouring, and the formed furnace door is attractive in appearance, high in precision, firm and durable, and convenient to install and use.
Description
Technical Field
The invention relates to the technical field of furnace door casting, in particular to a precise casting process of resin sand of a cast iron furnace door.
Background
The furnace door is characterized in that a semicircular ash groove with a long diameter with a hearth is sleeved in the circular furnace door seat; the resin sand is a molding sand or core sand containing synthetic resin as a binder of sand grains, and after a mold or a core is made of the resin sand, the resin is cured by an irreversible crosslinking reaction by the action of a curing agent, thereby imparting necessary strength to the mold or the core.
The invention patent of patent application publication No. CN113634718A discloses a coke oven door top-pressing barrel casting process, wherein a mold core arranged in a mold cavity of a top-pressing barrel on a sand mold sequentially comprises an upper positioning core head, a core column and a lower positioning core head from top to bottom, and the upper positioning core head and the lower positioning core head are respectively matched with an upper end positioning groove and a lower end positioning groove at two ends of the mold cavity of the top-pressing barrel; the middle part of the core column is provided with a step, and the diameters of the upper part and the lower part of the core column are respectively consistent with the tapping part and the guiding part of the inner hole of the jacking cylinder, so that the dimensional precision of the inner hole of the jacking cylinder is ensured. The mold core is matched and positioned with the upper end positioning groove and the lower end positioning groove of the sand mold through the upper positioning core print and the lower positioning core print, so that the mold core is accurately positioned in the mold cavity of the jacking cylinder, and the position precision of the core column relative to the sand mold is improved. The top pressing barrel cast by the invention has higher dimensional precision, good appearance quality and better subsequent tapping effect, realizes the purpose of directly tapping the blank of the top pressing barrel without processing, reduces the processing amount, improves the production efficiency and reduces the production cost.
The process can not integrate the connecting frame and the furnace door plate after casting molding during casting, the furnace door plate and the furnace body need to be additionally provided with the connecting frame for hinging subsequently, and the molded furnace door is not firm and durable and is not convenient to mount and use.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a precise casting process of resin sand for a cast iron furnace door, which solves the problems that a connecting frame and a furnace door plate after casting molding cannot be integrated, and the furnace door plate and a furnace body need to be additionally provided with the connecting frame for hinging in the follow-up process.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the cast iron furnace door resin sand precision casting process specifically comprises the following steps:
s1, preparing core sand and manufacturing a core box, and manufacturing a core rod with a proper shape according to the position of the opening required by the furnace door;
s2, preparing molding sand and manufacturing a molding die according to the shape of the required furnace door;
s3, drying the molding die and the core box, then performing mold assembly, pouring molten metal into the mold assembly for molding, performing shakeout recovery treatment, and finally inspecting a finished product;
in the casting process S1, the core box comprises an upper mould assembling box, a first sand seat is fixedly arranged inside the upper mould assembling box, a top plate is embedded at the bottom of the first sand seat, two ends of the bottom of the top plate are respectively and fixedly connected with an open pore column and a fixing rod, a second open groove is formed in one end, close to the fixing rod, of the bottom of the top plate, the fixing rod vertically penetrates through the inside of the second open groove, a door panel is fixedly arranged in the middle of the bottom of the top plate, a fixing port is formed in the door panel, and a fixing hole is formed in one end of the bottom of the fixing port;
in the casting process S2 step, the molding die comprises a lower mold closing box, a second molding sand seat is fixedly arranged in the lower mold closing box, a molding groove is formed in the top of the second molding sand seat, directional holes are formed in four corners of the second molding sand seat, a first notch and a fixed groove are formed in one end of the top of the second molding sand seat, and the first notch and the fixed groove are vertically communicated.
Preferably, four corners of the bottom of the first molding sand seat are fixedly connected with orientation columns, and the height of each orientation column is smaller than that of the second molding sand seat.
Preferably, the inside of first sand seat has still seted up the exhaust hole, and the periphery that the exhaust hole encircles the roof sets up a plurality of groups.
Preferably, a pouring gate is arranged at the top of the first sand base, and the pouring gate is communicated with the fixing port.
Preferably, the directional column and the directional hole are both arranged in a fan shape, and the directional column is movably arranged inside the corresponding directional hole.
Preferably, the vent hole is L-shaped, and the vent hole transverse hole is communicated with the forming groove.
Preferably, the cross section of the pouring gate is trapezoidal, and the diameter of the bottom of the pouring gate is smaller than that of the top of the pouring gate.
Preferably, the first slot and the second slot are communicated with each other, and one ends of the first slot and the second slot are both arc-shaped.
Preferably, the height of the perforating column is greater than that of the door panel, and the height of the perforating column is the same as that of the forming groove.
Preferably, the fixing rod and the fixing groove are correspondingly arranged, and the fixing rod is movably arranged inside the fixing groove.
Advantageous effects
The invention provides a precise casting process of resin sand for a cast iron furnace door. Compared with the prior art, the method has the following beneficial effects:
1. this cast iron furnace gate resin sand precision casting technology forms the link through No. two flutings and a fluting, link after the casting moulding can form integratively with the furnace door board, the furnace door board passes through the link with the furnace body and articulates, the fixed rod gets into the inside of fixed slot, can set up the transverse connection shaft hole in the one end of link, the link of being convenient for is articulated with the furnace body, whole accessible pouring one shot forming, the furnace gate appearance after the shaping is pleasing to the eye, the precision is high, durable, installation and convenient to use.
2. This cast iron furnace gate resin sand precision casting technology, door plant can form into the handle groove through the pouring, and rethread fixed orifices connects the handle, and the fixed orifices has been seted up to the bottom one end of fixed orifices for the hookup switch door.
3. According to the cast iron furnace door resin sand precision casting process, the observation port can be formed through the hole opening column, and the shape and the area size of the observation port can be flexibly set according to needs.
4. According to the cast iron furnace door resin sand precision casting process, molten metal is poured into the forming groove through the pouring gate, and gas in the forming groove is discharged through the exhaust hole.
5. The cast iron furnace door resin sand precision casting process has the function of guiding and positioning by enabling the directional columns to enter the corresponding directional holes.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of the upper mold closing structure of the present invention;
FIG. 3 is a schematic view of the top plate structure of the present invention;
FIG. 4 is a schematic view of a door panel according to the present invention;
FIG. 5 is a schematic view of the bottom box assembly of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5;
FIG. 7 is a schematic view of the process of the present invention.
In the figure: 1. upper mould assembling; 11. a directional column; 12. an exhaust hole; 2. closing the box at the lower part; 3. a first sand holder; 31. a pouring gate; 4. a second molding sand seat; 41. forming a groove; 42. a directional hole; 43. grooving I; 44. fixing grooves; 5. a top plate; 51. opening a hole column; 52. grooving II; 53. a fixing rod; 54. a door panel; 55. a fixed port; 56. and (7) fixing holes.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 7, an embodiment of the present invention provides a technical solution: the cast iron furnace door resin sand precision casting process specifically comprises the following steps:
s1, preparing core sand and manufacturing a core box, and manufacturing a core rod with a proper shape according to the position of the opening required by the furnace door;
s2, preparing molding sand and manufacturing a molding die according to the shape of the required furnace door;
s3, drying the molding die and the core box, then molding, pouring molten metal into the die, molding, performing shakeout recovery treatment, and finally inspecting the finished product.
Referring to fig. 1-4, in the casting process S1, the core box includes an upper mold closing box 1, a first sand base 3 is fixedly disposed inside the upper mold closing box 1, the first sand base 3 and a top plate 5 are both made of mixed resin sand, the top plate 5 is embedded in the bottom of the first sand base 3, two ends of the bottom of the top plate 5 are respectively and fixedly connected with a hole pillar 51 and a fixing rod 53, the hole pillar 51 is used for opening an observation opening, the shape and area size of the hole pillar can be flexibly set as required, one end of the bottom of the top plate 5 close to the fixing rod 53 is provided with a second notch 52, when the mold is closed, the fixing rod 53 vertically penetrates through the second notch 52, the second notch 52 and the first notch 43 form a connecting frame, the connecting frame after casting molding can be integrated with a furnace door panel, the furnace door panel is hinged with the furnace body through the connecting frame, a door panel 54 is fixedly disposed in the middle of the bottom of the top plate 5, a fixing opening 55 is disposed inside the door panel 54, door plant 54 can form the handle groove after the pouring, and then connect the handle through fixed mouthful 55, and fixed orifices 56 has been seted up to fixed mouthful 55 bottom one end for the hookup switch door.
Referring to fig. 1, 5 and 6, in the casting process S2, the molding mold includes a lower mold assembling box 2, a second sand molding seat 4 is fixedly disposed inside the lower mold assembling box 2, a molding groove 41 is disposed at the top of the second sand molding seat 4, the four corners of the second sand molding seat 4 are all provided with directional holes 42, one end of the top of the second sand molding seat 4 is provided with a first slot 43 and a fixing groove 44, the first slot 43 and the fixing groove 44 are vertically communicated, the first slot 43 and the second slot 52 are communicated, one ends of the first slot 43 and the second slot 52 are both arc-shaped, the height of the opening column 51 is greater than that of the door panel 54, the height of the opening column 51 is the same as that of the molding groove 41, the fixing rod 53 and the fixing groove 44 are correspondingly disposed, and the fixing rod 53 is movably disposed inside the fixing groove 44.
Referring to fig. 2 and 5, four corners of the bottom of the first molding sand base 3 are fixedly connected with the directional columns 11, the height of the directional columns 11 is smaller than that of the second molding sand base 4, the directional columns 11 and the directional holes 42 are both arranged in a fan shape, and the directional columns 11 are movably arranged inside the corresponding directional holes 42.
Referring to fig. 1 and 5, the first sand holder 3 is further provided with a plurality of exhaust holes 12 therein, the exhaust holes 12 are arranged in groups around the periphery of the top plate 5, the exhaust holes 12 are L-shaped, and the transverse holes of the exhaust holes 12 are communicated with the molding groove 41.
Referring to fig. 1 and 4, a pouring gate 31 is opened at the top of the first sand holder 3, the pouring gate 31 is communicated with the fixing port 55, the cross section of the pouring gate 31 is trapezoidal, and the diameter of the bottom of the pouring gate 31 is smaller than that of the top thereof.
When the die is assembled, the directional column 11 enters the inside of the corresponding directional hole 42 to play a role in guiding and positioning, after the die is assembled, molten metal is poured into the forming groove 41 through the pouring gate 31, gas in the forming groove 41 is discharged through the exhaust hole 12, the observation port can be opened through the open hole column 51, the shape and the area size can be flexibly set according to needs, the second open groove 52 and the first open groove 43 form a connecting frame, the connecting frame after the die is cast and formed can be integrated with the furnace door plate, the furnace door plate is hinged with the furnace body through the connecting frame, the fixed rod 53 enters the inside of the fixed groove 44, a transverse connecting shaft hole can be formed at one end of the connecting frame to facilitate the hinge of the connecting frame and the furnace body, the door plate 54 after the die is cast can be formed into a handle groove and then is connected with a handle through the fixed port 55, the fixed hole 56 is formed at one end of the bottom of the fixed port 55 for connecting and opening and closing the door, and the whole can be formed in one step by the die by casting, the molded furnace door is firm and durable, and is convenient to install and use.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The precise casting process of the resin sand of the cast iron furnace door is characterized in that: the method specifically comprises the following steps:
s1, preparing core sand and manufacturing a core box, and manufacturing a core rod with a proper shape according to the position of the opening required by the furnace door;
s2, preparing molding sand and manufacturing a molding die according to the shape of the required furnace door;
s3, drying the molding die and the core box, then performing mold assembly, pouring molten metal into the mold assembly for molding, performing shakeout recovery treatment, and finally inspecting a finished product;
in the casting process S1, the core box comprises an upper mould assembling box (1), a first sand seat (3) is fixedly arranged inside the upper mould assembling box (1), a top plate (5) is embedded at the bottom of the first sand seat (3), two ends of the bottom of the top plate (5) are respectively and fixedly connected with a perforated column (51) and a fixing rod (53), one end, close to the fixing rod (53), of the bottom of the top plate (5) is provided with a second notch (52), the fixing rod (53) vertically penetrates through the inside of the second notch (52), a door plate (54) is fixedly arranged in the middle of the bottom of the top plate (5), a fixing opening (55) is formed inside the door plate (54), and one end of the bottom of the fixing opening (55) is provided with a fixing hole (56);
in casting process S2 step the molding die comprises a lower mould assembling (2), a second mould sand seat (4) is fixedly arranged in the lower mould assembling (2), a forming groove (41) is formed in the top of the second mould sand seat (4), directional holes (42) are formed in four corners of the second mould sand seat (4), one open groove (43) and a fixing groove (44) are formed in one end of the top of the second mould sand seat (4), and the first open groove (43) and the fixing groove (44) are vertically communicated.
2. The cast iron furnace door resin sand precision casting process according to claim 1, characterized in that: the equal fixedly connected with in bottom four corners of first molding sand seat (3) directional post (11), the height that highly is less than second molding sand seat (4) of directional post (11).
3. The cast iron furnace door resin sand precision casting process according to claim 2, characterized in that: exhaust hole (12) have still been seted up to the inside of first sand seat (3), and exhaust hole (12) encircle the periphery of roof (5) and set up a plurality of groups.
4. The cast iron furnace door resin sand precision casting process according to claim 1, characterized in that: sprue gate (31) have been seted up at the top of first sand seat (3), and communicate the setting between sprue gate (31) and fixed mouthful (55).
5. The cast iron furnace door resin sand precision casting process according to claim 2, wherein: the directional columns (11) and the directional holes (42) are arranged in a fan shape, and the directional columns (11) are movably arranged in the corresponding directional holes (42).
6. The cast iron furnace door resin sand precision casting process according to claim 3, characterized in that: the exhaust holes (12) are arranged in an L shape, and the transverse holes of the exhaust holes (12) are communicated with the forming grooves (41).
7. The cast iron furnace door resin sand precision casting process according to claim 4, wherein: the section of the pouring gate (31) is trapezoidal, and the diameter of the bottom of the pouring gate (31) is smaller than that of the top of the pouring gate.
8. The cast iron furnace door resin sand precision casting process according to claim 1, characterized in that: the first open groove (43) and the second open groove (52) are communicated, and one end of the first open groove (43) and one end of the second open groove (52) are both arc-shaped.
9. The cast iron furnace door resin sand precision casting process according to claim 1, characterized in that: the height of the hole forming column (51) is greater than that of the door panel (54), and the height of the hole forming column (51) is the same as that of the forming groove (41).
10. The cast iron furnace door resin sand precision casting process according to claim 1, characterized in that: the fixing rod (53) and the fixing groove (44) are correspondingly arranged, and the fixing rod (53) is movably arranged inside the fixing groove (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210649732.8A CN114871384A (en) | 2022-06-10 | 2022-06-10 | Precision casting process of resin sand for cast iron furnace door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210649732.8A CN114871384A (en) | 2022-06-10 | 2022-06-10 | Precision casting process of resin sand for cast iron furnace door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114871384A true CN114871384A (en) | 2022-08-09 |
Family
ID=82680840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210649732.8A Pending CN114871384A (en) | 2022-06-10 | 2022-06-10 | Precision casting process of resin sand for cast iron furnace door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114871384A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB384063A (en) * | 1931-11-19 | 1932-12-01 | Parkinson Stove Co Ltd | An improved method of and means for casting-in or fixing hinge-pins and the like in brackets, lugs and the like |
| GB443026A (en) * | 1935-05-25 | 1936-02-20 | Scottish Central Iron Company | Improvements in and relating to the hinges of the doors of cooking ranges and stoves |
| DE8128278U1 (en) * | 1981-09-26 | 1982-07-08 | Wsw Stahl- Und Wasserbau Gmbh, 4355 Waltrop | COOKING OVEN DOOR |
| JPS6346292A (en) * | 1986-08-13 | 1988-02-27 | Shinagawa Refract Co Ltd | Molding method for door block of coke oven made of castable refractory and core therefor |
| US20030140596A1 (en) * | 1999-03-29 | 2003-07-31 | Craig Bienick | Machine for molding a peripherally enbcapsulated product |
| CN205448694U (en) * | 2016-02-03 | 2016-08-10 | 四川竹锅锅炉有限公司 | High temperature resistant furnace gate of high leakproofness |
| CN205927013U (en) * | 2016-06-23 | 2017-02-08 | 太仓市顺昌锻造有限公司 | A mould for casting valve body |
| CN113441681A (en) * | 2021-06-29 | 2021-09-28 | 山河智能装备股份有限公司 | Sand-coated sand casting mold for multi-way valve |
| CN214920282U (en) * | 2021-06-23 | 2021-11-30 | 邢台轧辊沃川装备制造有限公司 | Furnace door frame casting mould |
-
2022
- 2022-06-10 CN CN202210649732.8A patent/CN114871384A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB384063A (en) * | 1931-11-19 | 1932-12-01 | Parkinson Stove Co Ltd | An improved method of and means for casting-in or fixing hinge-pins and the like in brackets, lugs and the like |
| GB443026A (en) * | 1935-05-25 | 1936-02-20 | Scottish Central Iron Company | Improvements in and relating to the hinges of the doors of cooking ranges and stoves |
| DE8128278U1 (en) * | 1981-09-26 | 1982-07-08 | Wsw Stahl- Und Wasserbau Gmbh, 4355 Waltrop | COOKING OVEN DOOR |
| JPS6346292A (en) * | 1986-08-13 | 1988-02-27 | Shinagawa Refract Co Ltd | Molding method for door block of coke oven made of castable refractory and core therefor |
| US20030140596A1 (en) * | 1999-03-29 | 2003-07-31 | Craig Bienick | Machine for molding a peripherally enbcapsulated product |
| CN205448694U (en) * | 2016-02-03 | 2016-08-10 | 四川竹锅锅炉有限公司 | High temperature resistant furnace gate of high leakproofness |
| CN205927013U (en) * | 2016-06-23 | 2017-02-08 | 太仓市顺昌锻造有限公司 | A mould for casting valve body |
| CN214920282U (en) * | 2021-06-23 | 2021-11-30 | 邢台轧辊沃川装备制造有限公司 | Furnace door frame casting mould |
| CN113441681A (en) * | 2021-06-29 | 2021-09-28 | 山河智能装备股份有限公司 | Sand-coated sand casting mold for multi-way valve |
Non-Patent Citations (1)
| Title |
|---|
| 李自涵等: "《铸工操作技术要领图解》", 山东科学技术出版社, pages: 137 - 138 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110548856B (en) | Composite casting mold of aluminum alloy shell casting and forming method thereof | |
| CN207657094U (en) | A kind of appliance switch injection mold | |
| CN111774537A (en) | Thin-wall complex cylinder body type iron casting shell mold pouring system and casting process | |
| CN114871384A (en) | Precision casting process of resin sand for cast iron furnace door | |
| CN100556578C (en) | Overcome the method for water channel oil duct scab of automobile crane case foundry goods and carbon black defective | |
| CN216578975U (en) | Double-colored injection mold of on-vehicle clarifier shell | |
| CN108393438A (en) | The process unit and production method of Iron Mould Coated Sand vertical-parting cast bearing lid casting | |
| CN2350148Y (en) | Mould for casting brake drum of car | |
| CN114082899A (en) | Casting process of sheet type multi-way valve | |
| CN219233884U (en) | Mould for casting turbine shell sand core of turbocharger | |
| CN103551524B (en) | Casting method for multislot belt wheel, core making mold used in casting method and casting mold | |
| CN110560644A (en) | Manufacturing method of mold for cold box core shooting | |
| CN219378880U (en) | Wet mould sand casting mould with side unsettled through-hole | |
| CN2710793Y (en) | Improved mould for forming blank of golf club head | |
| CN110625062A (en) | Casting process for casting hinge lug by adopting shell mold | |
| CN216881593U (en) | Hot mud box with mud core formed in one step | |
| CN1309503C (en) | Method for making golf club head wax mould using soluble wax | |
| CN204749138U (en) | Adopt injection mold who inverts gluey mode | |
| CN209578056U (en) | A kind of 3D printing sand casting bell housing casting | |
| CN216828511U (en) | Simple and easy sand mould location is with mould structure from top to bottom | |
| CN215965975U (en) | Combined die for producing hub forging | |
| CN218777053U (en) | Ejecting structure for injection mold of tail lamp electroplating decoration strip | |
| CN114226687B (en) | Preparation method of split type sand core formed auxiliary frame of new energy automobile | |
| CN215315506U (en) | Precoated sand hot core box mold | |
| CN218700740U (en) | Double-color injection mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |