CN112338177A - Tool for solving difficulty in stripping of movable material of steel casting die - Google Patents
Tool for solving difficulty in stripping of movable material of steel casting die Download PDFInfo
- Publication number
- CN112338177A CN112338177A CN202011170823.0A CN202011170823A CN112338177A CN 112338177 A CN112338177 A CN 112338177A CN 202011170823 A CN202011170823 A CN 202011170823A CN 112338177 A CN112338177 A CN 112338177A
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- shell
- die
- steel casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/04—Handling or stripping castings or ingots
- B22D29/08—Strippers actuated mechanically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent 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
- B22D33/00—Equipment for handling moulds
- B22D33/06—Burdening or relieving moulds
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a tool for solving the problem that the material of a steel casting die is difficult to remove, relates to the technical field of stripping tools, and solves the problems that the existing annular steel casting is easy to damage the die and knock the steel casting to be damaged during stripping, and the yield of the steel casting production is reduced. A tool for solving the problem that the material of a steel casting die is difficult to remove comprises a die bottom shell; the bottom shell of the die is inserted in the die shell. The device is when drawing a pattern to the steel casting, only need to carry through the horizontal pole and draw or rotate the gangbar, the gangbar can drive the mould drain pan through the linkage fixture block of track dish bottom and rise for the steel casting separates the drawing of patterns with mould shell and mould inner shell, has protected mould shell and mould inner shell not to receive the damage, and the steel casting that draws out is complete can not collide with badly, convenient to use, and can change the height of mould drain pan when rotating the gangbar, thereby realize making the pouring of different thickness steel castings.
Description
Technical Field
The invention belongs to the technical field of stripping tools, and particularly relates to a tool for solving the problem that a steel casting die is difficult to strip due to material moving.
Background
The steel casting is a part made of cast steel, has similar performance to cast iron, but has better strength than cast iron, the cast steel is divided into 3 types of cast carbon steel, cast low alloy steel and cast special steel, the steel casting is manufactured in a mode of pouring in a die, and the steel casting can be taken out from the die after being cooled and formed to carry out the next manufacturing procedure.
If the application number is: in the patent of CN201710521128.6, a production method of low-carbon low-alloy high-strength high-low temperature toughness steel casting is disclosed, which is used for producing steel casting with chemical compositions satisfying: c: 0.16-0.24 wt%, less than or equal to 0.60 wt% of Si, less than or equal to 1.20 wt% of Mn, less than or equal to 0.04 wt% of P, and less than or equal to 0.045 wt%, wherein the performances meet that the tensile strength is greater than or equal to 780MPa, the yield strength is greater than or equal to 630MPa, the elongation is greater than or equal to 13%, the reduction of area is greater than or equal to 35%, impacting a steel casting with the average value of toughness Akv being greater than or equal to 27J at the temperature of 40 ℃ to form the steel casting according to a casting process, then carrying out heat treatment on the steel casting, heating the steel casting to the quenching temperature of AC3+ 80-AC 3+120 ℃, keeping the temperature for 4-8 hours, and then. The method of the invention obviously shortens the production period, reduces the production cost and improves the production efficiency.
The existing circular ring-shaped steel casting is difficult to separate from a mold after being cooled and formed in the mold, the steel casting and the mold can be separated only by slightly vibrating the mold and slightly knocking the mold, the mold is easy to damage by the mode, the mold is deformed, the follow-up use is influenced, the steel casting is easy to knock the damaged steel casting by stripping the mold by the mode, the yield of the steel casting production is reduced, and the practicability is low.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a tool for solving the problem that the material of the steel casting die is difficult to be removed is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides a tool for solving the problem that the material moving of a steel casting die is difficult to remove, so that the problems that the existing annular steel casting is difficult to separate from the die after being cooled and formed in the die, the steel casting is usually separated from the die only by carrying out light vibration and light knocking on the die, the die is easy to damage by the mode, the die is deformed, the subsequent use is influenced, the steel casting is easy to knock down by removing the die by the mode, the yield of the steel casting production is reduced, and the practicability is not high are solved.
The invention is used for solving the purpose and the effect of a tool which is difficult to remove the movable material of a steel casting die, and is achieved by the following specific technical means:
a tool for solving the problem that the material moving of a steel casting die is difficult to lift comprises a die base, a die inner shell, a die bottom shell, a track disc, a linkage clamping block, a linkage rod and a cross rod; the top of the mould base is fixedly connected with a mould shell; the die inner shell is fixedly connected to the top surface of the die base, and the die inner shell is positioned inside the die outer shell; the bottom shell of the mould is inserted in the mould shell; the track disc is inserted in the inner shell of the mold; the linkage fixture block is inserted at the bottom of the side surface of the track disc; the linkage rod is inserted into the top surface of the track disc; the cross rod is inserted in the sleeve ring at the top of the linkage rod.
Furthermore, the bottom shell of the mold is designed in a circular ring shape, the outer diameter of the bottom shell of the mold is the same as the inner diameter of the outer shell of the mold, and the inner diameter of the bottom shell of the mold is the same as the outer diameter of the inner shell of the mold.
Furthermore, the top surface of mould drain pan is equipped with the track dog, and the track dog is equipped with threely, and track dog evenly distributed is in the side of mould drain pan inner circle, and the casing of mould inner shell is equipped with three pull-up grooves, and the track dog is pegged graft in the inside of pull-up groove.
Furthermore, the inside of mould drain pan is equipped with design top ring, and the external diameter size of design top ring is the same with the internal diameter size of mould inner shell, and the outside fixed connection of design top ring is in the inboard of track dog.
Further, the inside of design top ring is equipped with the constant head tank, and the constant head tank is equipped with threely, and the side of track dish is equipped with three positioning rail piece, and positioning rail piece pegs graft in the inside of constant head tank, and the constant head tank is the same with the position of the outside track dog of design top ring in the inside position of design top ring.
Further, the inside groove of dodging that is equipped with of top surface of mould base, and the internal diameter of dodging the groove is less than the external diameter of mould inner shell.
Furthermore, the linkage fixture block is designed as an inverted right triangle, the linkage fixture block is inserted into the inner bottom of the positioning track block, spring slots are formed in the linkage fixture block and the positioning track block, a fixed top spring is arranged in each spring slot, and two ends of each fixed top spring are fixedly connected with the linkage fixture block and the spring slots of the positioning track block respectively.
Furthermore, the bottom body of rod of gangbar is equipped with the screw thread, and the inside of track dish is equipped with the screw hole, and the gangbar passes through the screw thread and twists in the screw hole of track dish.
Compared with the prior art, the invention has the following beneficial effects:
the device is when drawing a pattern to the steel casting, only need to carry through the horizontal pole and draw or rotate the gangbar, the gangbar can drive the mould drain pan through the linkage fixture block of track dish bottom and rise, make steel casting and mould shell and mould inner shell separation drawing of patterns, can carry out one process down with the steel casting after drawing out the steel casting, protected mould shell and mould inner shell not damaged, and the steel casting that draws out is complete can not knock against badly, high durability and convenient use, and can change the height of mould drain pan when rotating the gangbar, thereby realize making the pouring of different thickness steel castings, the stability and the practicality of the device have been improved.
Firstly, the mould drain pan makes the mould drain pan carry out the shutoff with the bottom of mould shell and mould inner shell for the design of ring shape, and the device can not appear leaking the phenomenon emergence when the steel casting is pouring, and the corresponding steel casting of pouring that can be complete has improved the device's practicality and adaptability.
Secondly, when rotating or carrying the draw gear, the draw gear can drive the track dish through the screw thread of the body of rod and go up and down, the linkage fixture block of track dish side blocks the track dog, drive the mould drain pan and go up and down, thereby accomplish the drawing operation to the shaping steel casting, protected mould shell and mould inner shell not damaged, and the steel casting that draws is complete can not collide with badly, high durability and convenient use, and rotate the height that the draw gear can change the mould drain pan, thereby can adapt to the pouring manufacturing of different thickness steel castings, the flexibility and the adaptability of the device have been improved.
Furthermore, the design top ring can support the mould inner shell, make the mould inner shell can not appear the phenomenon of flat in the pouring process, the quality of steel casting production has been guaranteed, thereby the location track piece of track dish side can make the linkage fixture block be in the bottom of track dog all the time and can block the bottom of track dog and drive the mould drain pan and go up and down, the linkage fixture block is located the inside that carries the pull-up groove when going up and down and can not be hindered by the mould inner shell, the function of realization regulation mould drain pan height and drawing of patterns that can be stable, the device's stability and practicality have been improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a schematic structural view of the present invention taken apart from fig. 2.
Fig. 4 is a schematic structural view of the mold base, the mold outer shell and the mold inner shell of the present invention.
Fig. 5 is a schematic structural view of the bottom shell of the mold of the present invention.
Fig. 6 is a schematic view of the structure of the track disk of the present invention.
FIG. 7 is a schematic view of the internal structure of the die of the present invention after the height of the bottom shell of the die is changed by the rotation linkage rod.
Fig. 8 is an enlarged schematic structural view of a portion a in fig. 2 according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a mold base; 2. a mold housing; 3. an inner shell of the mold; 4. a bottom shell of the mold; 5. a track disk; 6. a linkage fixture block; 7. a linkage rod; 8. a cross bar; 101. an avoidance groove; 301. lifting the groove; 401. a rail stop; 402. shaping the top ring; 4021. positioning a groove; 501. positioning a track block; 502. a threaded hole; 5011. and fixing the top spring.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a tool for solving the problem that the material moving of a steel casting die is difficult to lift, which comprises a die base 1, a die inner shell 3, a die bottom shell 4, a track disc 5, a linkage clamping block 6, a linkage rod 7 and a cross rod 8; the top of the mould base 1 is fixedly connected with a mould shell 2; the avoidance groove 101 is formed in the top surface of the mold base 1, the inner diameter of the avoidance groove 101 is smaller than the outer diameter of the mold inner shell 3, and due to the design, the device cannot leak materials when a steel casting is poured; the inner die shell 3 is fixedly connected to the top surface of the die base 1, and the inner die shell 3 is positioned inside the outer die shell 2; the bottom mould shell 4 is inserted in the mould shell 2; the top surface of the bottom mold shell 4 is provided with three rail stoppers 401, the three rail stoppers 401 are uniformly distributed on the side surface of the inner ring of the bottom mold shell 4, the shell of the inner mold shell 3 is provided with three lifting grooves 301, and the rail stoppers 401 are inserted in the lifting grooves 301, so that the rail stoppers 401 can be inserted in the inner mold shell 3; the track disc 5 is inserted in the inner part of the inner shell 3 of the mould; the linkage fixture block 6 is inserted at the bottom of the side surface of the track disc 5; the linkage rod 7 is inserted into the top surface of the track disc 5; the bottom rod body of the linkage rod 7 is provided with threads, a threaded hole 502 is formed in the track disc 5, the linkage rod 7 is screwed in the threaded hole 502 of the track disc 5 through the threads, and the design enables the linkage rod 7 to drive the track disc 5 to lift when the linkage rod 7 is rotated or lifted; the cross bar 8 is inserted in the lantern ring at the top of the linkage rod 7.
Wherein, mould drain pan 4 is the design of circle ring shape, and the external diameter of mould drain pan 4 is the same with the internal diameter of mould shell 2, and the internal diameter of mould drain pan 4 is the same with the external diameter of mould inner shell 3, and this design makes mould drain pan 4 carry out the shutoff with the bottom of mould shell 2 and mould inner shell 3, and the device can not appear leaking the phenomenon of expecting when the steel casting is pouring and take place, and the corresponding steel casting of pouring that can be complete has improved the device's practicality and adaptability.
Wherein, the inside of mould drain pan 4 is equipped with design top circle 402, and the external diameter size of design top circle 402 is the same with the internal diameter size of mould inner shell 3, and the outside fixed connection of design top circle 402 is in the inboard of track dog 401, and this design makes design top circle 402 can support mould inner shell 3 for mould inner shell 3 can not appear the phenomenon of interior flat in the pouring process, has guaranteed the quality of cast steel production, has improved the device production cast steel's yields.
Wherein, the inside of design apical ring 402 is equipped with constant head tank 4021, and constant head tank 4021 is equipped with threely, the side of track dish 5 is equipped with three location track piece 501, and location track piece 501 pegs graft in the inside of constant head tank 4021, constant head tank 4021 is the same with the position of the outside track dog 401 of design apical ring 402 in the inside position of design apical ring 402, this design makes location track piece 501 peg graft can make linkage fixture block 6 be in the bottom of track dog 401 all the time and drive mould drain pan 4 lift in the bottom that thereby the track dog 401 can be blocked to the inside of linkage fixture block 6 when going up and down, the inside that linkage fixture block 6 lies in lifting groove 301 can not be obstructed by mould inner shell 3, the function of the high and lift out of mould drain pan 4 of realization that can be stable, as shown in figure 7, the stability and the practicality of the device have.
Wherein, the linkage fixture block 6 is designed as an inverted right triangle, the linkage fixture block 6 is inserted at the inner bottom of the positioning track block 501, the linkage fixture block 6 and the positioning track block 501 are internally provided with spring slots, the spring slots are internally provided with fixed top springs 5011, and both ends of the fixed top spring 5011 are respectively and fixedly connected with the linkage fixture block 6 and the inside of the spring slot of the positioning track block 501, the design is that when the track disc 5 is lifted, the linkage fixture block 6 on the side surface of the track disc 5 clamps the track fixture block 401 to drive the bottom shell 4 of the mold to lift, as shown in figure 7, thereby accomplish the drawing operation to the shaping steel casting, and fixed top spring 5011 makes the track dog 401 of blocking that linkage fixture block 6 can be stable, and the phenomenon that linkage fixture block 6 slippage track dog 401 causes the device drawing and adjusts the high function of mould drain pan 4 to become invalid can not appear and take place, has improved the device's stability.
The specific use mode and function of the embodiment are as follows:
in the invention, the height of the bottom shell 4 of the mold in the outer shell 2 and the inner shell 3 of the mold is adjusted according to the thickness of the manufactured steel casting, the linkage rod 7 is rotated, when the linkage rod 7 is rotated, the linkage rod 7 can drive the track disc 5 to lift through the threaded hole 502 at the top of the track disc 5, the track disc 5 lifts, the linkage clamping block 6 at the side surface of the track disc 5 clamps the track stop block 401, so as to drive the bottom shell 4 of the mold to lift, thereby completing the adjustment of the casting thickness of the formed steel casting, as shown in figure 7, after the adjustment is completed, the steel casting is poured into the mold, the bottom shell 4 of the mold can block the bottom of the outer shell 2 and the inner shell 3 of the mold, when the steel casting is poured, the device can not generate the phenomenon of material leakage, the corresponding steel casting can be completely poured, the shaping top ring 402 can support the inner shell 3 of the mold, so that the inner shell 3 of the mold, the production quality of the steel casting is ensured, when the mold stripping is needed after the steel casting is cooled and formed, only the linkage rod 7 needs to be rotated or lifted, when the linkage rod 7 is rotated or lifted, the linkage rod 7 can drive the track disc 5 to lift, the track disc 5 lifts, the linkage clamping block 6 on the side surface of the track disc 5 clamps the track stop block 401 and drives the mold bottom shell 4 to lift, as shown in the attached drawing 7, so that the mold stripping operation of the formed steel casting is completed, the fixed top spring 5011 enables the linkage clamping block 6 to stably clamp the track stop block 401, the phenomenon that the linkage clamping block 6 slips off the track stop block 401 to cause the failure of the mold stripping and the height adjusting function of the mold bottom shell 4 is avoided, the positioning track block 501 is inserted in the positioning groove 4021, the linkage clamping block 6 can be always positioned at the bottom of the track stop block 401 so as to clamp the bottom of the track stop block 401 to drive, the linkage fixture block 6 is located in the lifting groove 301 when lifting and can not be blocked by the mold inner shell 3, the height of the mold bottom shell 4 and the mold stripping function can be stably realized, the steel casting is stripped out of the mold outer shell 2 and the mold inner shell 3, the steel casting is stripped, the next procedure can be carried out after the steel casting is taken down, and the steel casting can be continuously poured by repeating the steps in the process that the mold bottom shell 4 is inserted into the mold inner shell 3 again.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. A tool for solving the problem that the live material of a steel casting die is difficult to remove is characterized in that: the device comprises a mould base (1), a mould inner shell (3), a mould bottom shell (4), a track disc (5), a linkage fixture block (6), a linkage rod (7) and a cross rod (8); the top of the mould base (1) is fixedly connected with a mould shell (2); the die inner shell (3) is fixedly connected to the top surface of the die base (1), and the die inner shell (3) is positioned inside the die outer shell (2); the bottom shell (4) of the mould is inserted into the mould shell (2); the track disc (5) is inserted into the inner shell (3) of the mold; the linkage fixture block (6) is inserted at the bottom of the side surface of the track disc (5); the linkage rod (7) is inserted into the top surface of the track disc (5); the cross rod (8) is inserted in a sleeve ring at the top of the linkage rod (7).
2. The tool for solving the problem of difficult stripping of the live material of the steel casting die as set forth in claim 1, wherein: the die bottom shell (4) is designed in a circular ring shape, the outer diameter of the die bottom shell (4) is the same as the inner diameter of the die outer shell (2), and the inner diameter of the die bottom shell (4) is the same as the outer diameter of the die inner shell (3).
3. The tool for solving the problem of difficult stripping of the live material of the steel casting die as set forth in claim 1, wherein: the top surface of the die bottom shell (4) is provided with three rail stop blocks (401), the three rail stop blocks (401) are uniformly distributed on the side surface of the inner ring of the die bottom shell (4), the shell of the die inner shell (3) is provided with three lifting grooves (301), and the rail stop blocks (401) are inserted into the lifting grooves (301).
4. The tool for solving the problem of difficult stripping of the live material of the steel casting die as set forth in claim 1, wherein: the inner part of the mold bottom shell (4) is provided with a shaping top ring (402), the outer diameter of the shaping top ring (402) is the same as the inner diameter of the mold inner shell (3), and the outer side of the shaping top ring (402) is fixedly connected to the inner side of the rail stop block (401).
5. The tool for solving the problem of difficult stripping of the live material of the steel casting die as set forth in claim 4, wherein: the inside of design top circle (402) is equipped with constant head tank (4021), and constant head tank (4021) is equipped with threely, and the side of track dish (5) is equipped with three location track piece (501), and location track piece (501) are pegged graft in the inside of constant head tank (4021), and the constant head tank (4021) is the same with the position of the outside track dog (401) of design top circle (402) in the inside position of design top circle (402).
6. The tool for solving the problem of difficult stripping of the live material of the steel casting die as set forth in claim 1, wherein: the inner portion of the top surface of the mold base (1) is provided with an avoiding groove (101), and the inner diameter of the avoiding groove (101) is smaller than the outer diameter of the mold inner shell (3).
7. The tool for solving the problem of difficult stripping of the live material of the steel casting die as set forth in claim 1, wherein: the linkage clamping block (6) is designed as an inverted right triangle, the linkage clamping block (6) is inserted into the inner bottom of the positioning track block (501), spring slots are formed in the linkage clamping block (6) and the positioning track block (501), fixed top springs (5011) are arranged in the spring slots, and two ends of each fixed top spring (5011) are fixedly connected with the linkage clamping block (6) and the inner portion of the spring slot of the positioning track block (501) respectively.
8. The tool for solving the problem of difficult stripping of the live material of the steel casting die as set forth in claim 1, wherein: the bottom rod body of gangbar (7) is equipped with the screw thread, and the inside of track dish (5) is equipped with screw hole (502), and gangbar (7) are screwed in screw hole (502) of track dish (5) through the screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011170823.0A CN112338177A (en) | 2020-10-28 | 2020-10-28 | Tool for solving difficulty in stripping of movable material of steel casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011170823.0A CN112338177A (en) | 2020-10-28 | 2020-10-28 | Tool for solving difficulty in stripping of movable material of steel casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112338177A true CN112338177A (en) | 2021-02-09 |
Family
ID=74358846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011170823.0A Withdrawn CN112338177A (en) | 2020-10-28 | 2020-10-28 | Tool for solving difficulty in stripping of movable material of steel casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112338177A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732253A (en) * | 2021-08-26 | 2021-12-03 | 共享装备股份有限公司 | Forming device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007028270A1 (en) * | 2005-09-08 | 2007-03-15 | Techpharma Licensing Ag | Internal thread demoulding by expulsion |
| CN105856467A (en) * | 2016-04-01 | 2016-08-17 | 哈尔滨飞机工业集团有限责任公司 | Mold stripping mechanism for core mold |
| CN209718408U (en) * | 2019-01-22 | 2019-12-03 | 中国航发南方工业有限公司 | Wax mold |
| CN209832350U (en) * | 2019-05-14 | 2019-12-24 | 刘贺 | Dry-type transformer pouring mold |
| CN210820516U (en) * | 2019-07-09 | 2020-06-23 | 四川大学 | Adjustable clamp plate mould of thickness |
| CN111822655A (en) * | 2020-07-24 | 2020-10-27 | 宫纪波 | Precoated sand mold for casting stainless steel thin-walled workpiece |
-
2020
- 2020-10-28 CN CN202011170823.0A patent/CN112338177A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007028270A1 (en) * | 2005-09-08 | 2007-03-15 | Techpharma Licensing Ag | Internal thread demoulding by expulsion |
| CN105856467A (en) * | 2016-04-01 | 2016-08-17 | 哈尔滨飞机工业集团有限责任公司 | Mold stripping mechanism for core mold |
| CN209718408U (en) * | 2019-01-22 | 2019-12-03 | 中国航发南方工业有限公司 | Wax mold |
| CN209832350U (en) * | 2019-05-14 | 2019-12-24 | 刘贺 | Dry-type transformer pouring mold |
| CN210820516U (en) * | 2019-07-09 | 2020-06-23 | 四川大学 | Adjustable clamp plate mould of thickness |
| CN111822655A (en) * | 2020-07-24 | 2020-10-27 | 宫纪波 | Precoated sand mold for casting stainless steel thin-walled workpiece |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732253A (en) * | 2021-08-26 | 2021-12-03 | 共享装备股份有限公司 | Forming device |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210209 |
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| WW01 | Invention patent application withdrawn after publication |