CN114472815A - Accurate core support in as cast location of thin wall engine cylinder block - Google Patents
Accurate core support in as cast location of thin wall engine cylinder block Download PDFInfo
- Publication number
- CN114472815A CN114472815A CN202210216036.8A CN202210216036A CN114472815A CN 114472815 A CN114472815 A CN 114472815A CN 202210216036 A CN202210216036 A CN 202210216036A CN 114472815 A CN114472815 A CN 114472815A
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- Prior art keywords
- sliding plate
- sliding
- chaplet
- supporting plates
- plate
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- 238000005266 casting Methods 0.000 abstract description 28
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 244000035744 Hura crepitans Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/12—Accessories
- B22C21/14—Accessories for reinforcing or securing moulding materials or cores, e.g. gaggers, chaplets, pins, bars
-
- 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
- B22C9/108—Installation of cores
-
- 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
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
Abstract
The invention relates to the technical field of advanced preparation and processing of special-performance steel, in particular to a positioning accurate core support for casting a thin-wall engine cylinder body. The method comprises the following steps: the sliding device comprises a first sliding plate and a second sliding plate, wherein the first sliding plate and the second sliding plate are connected in a sliding mode, the positions of the first sliding plate and the second sliding plate can be locked, at least 2 first supporting plates are arranged on the edge of the first sliding plate, the first supporting plates are perpendicular to the first sliding plate, the sliding directions of the first sliding plate and the second sliding plate are larger than 0 degree and smaller than 90 degrees of a plane included angle where the first supporting plates are located, the plane included angle corresponds to the first supporting plates, and at least 2 second supporting plates are arranged on the edge of the second sliding plate. On the one hand, the forming cavity can be adapted to the condition that a plurality of wall surfaces need to be supported by the chaplets, the number of the chaplets is reduced, the casting cost is reduced, the casting quality of the engine cylinder body is improved, the distances between the chaplets in pairs in at least two directions can be adjusted simultaneously, and the using adaptability is improved.
Description
Technical Field
The invention relates to the technical field of advanced preparation and processing of special-performance steel, in particular to a positioning accurate core support for casting a thin-wall engine cylinder body.
Background
The existing engine cylinder body is manufactured by adopting a sand casting process, a sand core is required to be placed in a sand box for core assembly in the casting process, then molten iron is injected for mold filling, so that casting is completed, and a chaplet is required to be used in the casting process. In order to adapt to the change of the width of a cavity of an engine cylinder body, a chaplet needs to be made into a space-adjustable type, as the existing chaplet shown in fig. 1, an upper supporting plate 9 and a lower supporting plate 9 are connected with a threaded sleeve 92 through a screw 91, on one hand, most of the existing chaplets use a pair of supporting plates 9 to complete the two-side supporting of the corresponding forming cavity wall, but the existing chaplet cannot adapt to the condition that a plurality of wall surfaces of the forming cavity need to be supported simultaneously, and usually a plurality of groups of chaplets are used for supporting in different directions, so that the number of chaplets is multiplied, when the number of chaplets is increased, the casting efficiency is reduced, and the casting quality of the engine cylinder body is also reduced; on the other hand, the direction of the conventional chaplet distance adjustment is parallel to the supporting direction, so that the situation that when the chaplet supporting surface is larger than 2, the chaplet needs to be adjusted simultaneously cannot be completed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the accurate positioning chaplet for casting the thin-wall engine cylinder body, which can adapt to the condition that a plurality of wall surfaces of a forming cavity need to be supported simultaneously and can simultaneously adjust the distance between paired chaplets in at least two directions.
In order to achieve the purpose, the invention is realized by the following technical scheme: a cast accurate chaplet in location of thin wall engine cylinder block includes: the sliding device comprises a first sliding plate and a second sliding plate, wherein the first sliding plate and the second sliding plate are connected in a sliding mode, the positions of the first sliding plate and the second sliding plate can be locked, at least 2 first supporting plates are arranged on the edge of the first sliding plate, the first supporting plates are perpendicular to the first sliding plate, the sliding directions of the first sliding plate and the second sliding plate and the plane where the first supporting plates are located form included angles larger than 0 degree and smaller than 90 degrees, the included angles correspond to the first supporting plates, at least 2 second supporting plates are arranged on the edge of the second sliding plate, and the protruding portions corresponding to each other are parallel to the first supporting plates.
In the above apparatus, according to the accurate positioning chaplet for casting the thin-walled engine cylinder block of the present invention, the first sliding plate and the second sliding plate are respectively provided with at least 2 first supporting plates and at least 2 second supporting plates, which can adapt to the situation that a plurality of wall surfaces of the forming cavity need to be supported simultaneously. The direction of the sliding adjustment is inclined to the support surface, and the distance between each of the first support plate and the second support plate corresponding to each other can be adjusted at the same time. Therefore, the accurate positioning chaplet for casting the thin-wall engine cylinder block can adapt to the condition that a plurality of wall surfaces of a forming cavity need chaplet supporting, reduce the number of chaplets, reduce the casting cost, improve the casting quality of the engine cylinder block, simultaneously adjust the distances of paired chaplets in at least two directions, and improve the applicability of the accurate positioning chaplet for casting the thin-wall engine cylinder block.
Furthermore, the accurate chaplet of location that a thin wall engine cylinder block was casted, be equipped with the bulge on the first sliding plate edge, the corresponding second sliding plate edge is equipped with the slot part, the bulge suits with the slot part shape.
Furthermore, the accurate chaplet of location that thin-walled engine cylinder block was casted, rotate on the second sliding plate and be equipped with the worm axle, worm axle axial direction is parallel with slot part length direction, be equipped with the rack on the corresponding first sliding plate, the worm axle is connected with the rack meshing. The worm shaft is connected with the rack, so that the distance can be continuously adjusted, and a locking effect can be achieved. Has the advantages of simple structure, convenient adjustment and good locking effect.
Furthermore, the accurate chaplet of location that thin wall engine cylinder body was casted, be equipped with the worm chamber on the second sliding plate, the worm axle sets up in the worm chamber, the worm chamber is crossing with the slot part. As a preferred aspect of the present invention, the worm shaft is disposed in the worm cavity, and the rack is disposed on the protruding portion, so that on one hand, a space-saving effect is achieved; on the other hand, no closed space is formed, and the problem that the quality of a molded product is influenced by bubbles generated during melting is avoided.
Furthermore, the cast accurate core support of location of thin-walled engine cylinder block, still include the pivot pole, the pivot pole is worn to establish on second sliding plate and worm axle, pivot pole one end is equipped with the location round platform, be equipped with the screw thread on the location round platform lateral wall, be equipped with the screw thread counter bore on the corresponding second sliding plate lateral wall. As a preferable scheme of the invention, the positioning round table is matched with the threaded counter bore and used for fixing the rotating shaft rod. Prevent the axial displacement of the rotating shaft rod. Preferably, a wrench groove is formed in the positioning circular truncated cone, so that the rotating shaft rod and the second sliding plate are firmly fixed.
Furthermore, the accurate core support in location of thin wall engine cylinder block casting, first backup pad quantity is 2, two first backup pads mutually perpendicular. As a preferable aspect of the present invention, the number of the corresponding protrusions is also 2, and the first support plate and the protrusions form four sides of a rectangle.
Furthermore, the accurate chaplet of location that a thin wall engine cylinder block was casted, first backup pad and second backup pad are with first sliding plate and second sliding plate sliding connection respectively.
Furthermore, the accurate chaplet of location that a thin wall engine cylinder block was casted, be equipped with the spout on first sliding plate and the second sliding plate, it is protruding to correspond be equipped with the card in first backup pad and the second backup pad. As a preferable embodiment of the present invention, the first support plate and the second support plate may be adjustable in position along the sliding groove, after the first sliding plate and the second sliding plate are adjusted in distance, a pair of the first support plate and the second support plate parallel to each other may be staggered with each other, and the first support plate and the second support plate may be slid by the sliding groove and the locking protrusion in cooperation, so that projections of the first support plate and the second support plate in the vertical direction may be overlapped with each other, thereby ensuring structural stability of the core support after installation. In addition, the first supporting plate and the second supporting plate can be detached in pairs, the use environment of the existing chaplet in the background art can be adapted, only one-way adjustment supporting is performed, and the range of the adjustment distance in one direction can be increased relative to the use condition of the existing chaplet in the background art to adapt to different use environments, so that the use adaptability of the positioning precision type chaplet cast by the thin-wall engine cylinder block in the embodiment is improved.
The technical scheme shows that the invention has the following beneficial effects:
1. the invention provides a positioning accurate core support for casting a thin-wall engine cylinder body, wherein at least 2 first supporting plates and at least 2 second supporting plates are respectively arranged on a first sliding plate and a second sliding plate, so that the core support can adapt to the condition that a plurality of wall surfaces of a forming cavity need to be supported simultaneously. The direction of the sliding adjustment is inclined to the support surface, and the distance between each of the first support plate and the second support plate corresponding to each other can be adjusted at the same time. Therefore, the accurate positioning chaplet for casting the thin-wall engine cylinder block can adapt to the condition that a plurality of wall surfaces of a forming cavity need chaplet supporting, reduce the number of chaplets, reduce the casting cost, improve the casting quality of the engine cylinder block, simultaneously adjust the distances of paired chaplets in at least two directions, and improve the applicability of the accurate positioning chaplet for casting the thin-wall engine cylinder block.
2. The invention provides a positioning accurate core support for casting a thin-wall engine cylinder body, wherein a worm shaft is connected with a rack, so that the distance can be continuously adjusted, and a locking effect can be achieved. Has the advantages of simple structure, convenient adjustment and good locking effect. The worm shaft is arranged in the worm cavity, and the rack is arranged on the protruding part, so that the effect of saving space is achieved; on the other hand, no closed space is formed, and the problem that the quality of a molded product is influenced by bubbles generated during melting is avoided.
3. The invention provides a positioning accurate core support for casting a thin-wall engine cylinder body. The first sliding plate and the second sliding plate are provided with sliding grooves, and the first supporting plate and the second supporting plate which correspond to each other are provided with clamping protrusions. As a preferable embodiment of the present invention, the first support plate and the second support plate may be adjustable in position along the sliding groove, after the first sliding plate and the second sliding plate are adjusted in distance, a pair of the first support plate and the second support plate parallel to each other may be staggered with each other, and the first support plate and the second support plate may be slid by the sliding groove and the locking protrusion in cooperation, so that projections of the first support plate and the second support plate in the vertical direction may be overlapped with each other, thereby ensuring structural stability of the core support after installation. In addition, the first supporting plate and the second supporting plate can be detached in pairs, the use environment of the existing chaplet in the background art can be adapted, only one-way adjustment supporting is performed, and the range of the adjustment distance in one direction can be increased relative to the use condition of the existing chaplet in the background art to adapt to different use environments, so that the use adaptability of the positioning precision type chaplet cast by the thin-wall engine cylinder block in the embodiment is improved.
Drawings
FIG. 1 is a schematic structural view of a conventional chaplet described in the background art;
FIG. 2 is a front plan view and a left side view of a precision positioned chaplet cast of a thin wall engine block in accordance with the present invention;
FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 2;
FIG. 4 is a schematic three-dimensional view of a precisely positioned chaplet cast from a thin-walled engine block according to the present invention;
FIG. 5 is a schematic illustration of the first and second support plates of a precision-positioned chaplet cast from a thin-walled engine block of the present invention removed in pairs.
In the figure: 1-a first sliding plate; 11-a first support plate; 12-a projection; 13-a rack; 2-a second sliding plate; 21-a second support plate; 22-a groove portion; 23-a worm cavity; 24-a threaded counter bore; 3-a worm shaft; 4-a rotating shaft rod; 41-positioning the circular truncated cone; 411-wrench slot; 51-a chute; 52-snap projection; 9-a support plate; 91-screw rod; 92-threaded sleeve.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
The accurate positioning core support for casting the thin-wall engine cylinder block shown in fig. 2 to 4 comprises a first sliding plate 1 and a second sliding plate 2, wherein the first sliding plate 1 and the second sliding plate 2 are slidably connected and lockable in position, at least 2 first support plates 11 are arranged on the edge of the first sliding plate 1, the first support plates 11 are perpendicular to the first sliding plate 1, the sliding direction of the first sliding plate 1 and the second sliding plate 2 and the plane where the first support plates 11 are located form an included angle larger than 0 ° and smaller than 90 ° and correspond to the first support plates 11, at least 2 second support plates 21 are arranged on the edge of the second sliding plate 2, and the corresponding protruding portions 12 are parallel to the first support plates 11. In this embodiment, the number of the first support plates 11 is 2, and the two first support plates 11 are perpendicular to each other. The corresponding number of the protrusions 12 is also 2, and the first support plate 11 and the protrusions 12 form four sides of a rectangle.
According to the accurate positioning core support for casting the thin-wall engine cylinder block, at least 2 first supporting plates 11 and at least 2 second supporting plates 21 are respectively arranged on the first sliding plate 1 and the second sliding plate 2, so that the accurate positioning core support can adapt to the situation that a plurality of wall surfaces of a forming cavity need to be supported simultaneously. The direction of the slide adjustment is inclined with respect to the support surface, and the distance between the first support plate 11 and the second support plate 21 corresponding to each other can be adjusted at the same time. Therefore, the cast accurate chaplet in location of the thin-wall engine cylinder block can adapt to the situation that a plurality of wall surfaces of a forming cavity need chaplet support, reduce the number of chaplets, reduce casting cost, improve the casting quality of the engine cylinder block, adjust the distances between paired chaplets in at least two directions simultaneously, and improve the applicability of the cast accurate chaplet in location of the thin-wall engine cylinder block.
In this embodiment, the first sliding plate 1 is provided with a protrusion 12 at an edge thereof, and the corresponding second sliding plate 2 is provided with a groove 22 at an edge thereof, wherein the protrusion 12 is adapted to the groove 22. In this embodiment, the second sliding plate 2 is rotatably provided with a worm shaft 3, the axial direction of the worm shaft 3 is parallel to the length direction of the groove 22, the corresponding first sliding plate 1 is provided with a rack 13, and the worm shaft 3 is meshed with the rack 13. The worm shaft 3 is connected with the rack 13, so that the distance can be continuously adjusted, and a locking effect can be achieved at the same time. Has the advantages of simple structure, convenient adjustment and good locking effect. The second sliding plate 2 is provided with a worm cavity 23, the worm shaft 3 is disposed in the worm cavity 23, and the worm cavity 23 intersects with the groove 22. The worm shaft 3 is arranged in the worm cavity 23, and the rack 13 is arranged on the convex part 12, so that on one hand, the effect of saving space is achieved; on the other hand, no closed space is formed, and the problem that the quality of a molded product is influenced by bubbles generated during melting is avoided. In addition, the worm gear mechanism further comprises a rotating shaft rod 4, wherein the rotating shaft rod 4 penetrates through the second sliding plate 2 and the worm shaft 3, one end of the rotating shaft rod 4 is provided with a positioning circular truncated cone 41, the side wall of the positioning circular truncated cone 41 is provided with threads, and the corresponding side wall of the second sliding plate 2 is provided with a threaded counter bore 24. The positioning circular truncated cone 41 is matched with the threaded counter bore 24 and used for fixing the rotating shaft rod 4. Preventing the spindle shaft 4 from being displaced axially. Preferably, the positioning circular platform 41 is provided with a wrench slot 411 to ensure that the rotating shaft rod 4 and the second sliding plate 2 are firmly fixed.
In this embodiment, the first support plate 11 and the second support plate 21 are slidably connected to the first sliding plate 1 and the second sliding plate 2, respectively. The first sliding plate 1 and the second sliding plate 2 are provided with sliding grooves 51, and the corresponding first supporting plate 11 and the second supporting plate 21 are provided with clamping protrusions 52. The positions of the first supporting plate 11 and the second supporting plate 21 can be adjusted along the sliding groove 51, after the distance between the first sliding plate 1 and the second sliding plate 2 is adjusted, the first supporting plate 11 and the second supporting plate 21 which are parallel to each other can be staggered mutually, and the first supporting plate 11 and the second supporting plate 21 can be matched and slid through the sliding groove 51 and the clamping protrusion 52, so that the projections of the first supporting plate 11 and the second supporting plate 21 in the vertical direction can be overlapped mutually, and the stability of the structure after the installation of the core support is ensured.
In addition, as shown in fig. 5, the first support plate 11 and the second support plate 21 can be detached in pairs to adapt to the usage environment of the existing chaplet shown in fig. 1, and only one-way adjusting support is used, and the range of the adjusting distance in one direction can be increased relative to the usage condition of the existing chaplet shown in fig. 1 to adapt to different usage environments, so that the usage adaptability of the positioning precision type chaplet for casting the thin-wall engine block in the embodiment is improved.
The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the present invention and should not be construed as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. The utility model provides a cast accurate chaplet in location of thin wall engine cylinder block which characterized in that: the sliding device comprises a first sliding plate (1) and a second sliding plate (2), wherein the first sliding plate (1) and the second sliding plate (2) are in sliding connection, the positions of the first sliding plate (1) and the second sliding plate (2) can be locked, at least 2 first supporting plates (11) are arranged on the edge of the first sliding plate (1), the first supporting plates (11) are perpendicular to the first sliding plate (1), the sliding directions of the first sliding plate (1) and the second sliding plate (2) and the plane included angle of the first supporting plates (11) are larger than 0 degree and smaller than 90 degrees and correspond to the first supporting plates (11), at least 2 second supporting plates (21) are arranged on the edge of the second sliding plate (2), and the corresponding protruding portions (12) are parallel to the first supporting plates (11).
2. The as cast location precision chaplet of a thin walled engine block of claim 1, wherein: the edge of the first sliding plate (1) is provided with a convex part (12), the edge of the corresponding second sliding plate (2) is provided with a groove part (22), and the convex part (12) is matched with the groove part (22) in shape.
3. The as cast location precision chaplet of a thin walled engine block of claim 2, wherein: the second sliding plate (2) is rotatably provided with a worm shaft (3), the axial direction of the worm shaft (3) is parallel to the length direction of the groove part (22), the first sliding plate (1) is correspondingly provided with a rack (13), and the worm shaft (3) is meshed with the rack (13).
4. The as cast location precision chaplet of a thin walled engine block of claim 3, wherein: the second sliding plate (2) is provided with a worm cavity (23), the worm shaft (3) is arranged in the worm cavity (23), and the worm cavity (23) is intersected with the groove part (22).
5. The as cast location precision chaplet of a thin walled engine block of claim 4, wherein: the worm gear fixing device is characterized by further comprising a rotating shaft rod (4), wherein the rotating shaft rod (4) penetrates through the second sliding plate (2) and the worm shaft (3), one end of the rotating shaft rod (4) is provided with a positioning circular truncated cone (41), the side wall of the positioning circular truncated cone (41) is provided with threads, and the corresponding side wall of the second sliding plate (2) is provided with a thread counter bore (24).
6. The as cast location precision chaplet of a thin walled engine block of claim 5, wherein: the number of the first supporting plates (11) is 2, and the two first supporting plates (11) are perpendicular to each other.
7. A cast precision-in-place chaplet for a thin-walled engine block according to any one of claims 1 to 6, wherein: the first supporting plate (11) and the second supporting plate (21) are respectively connected with the first sliding plate (1) and the second sliding plate (2) in a sliding mode.
8. The as cast location precision chaplet of a thin walled engine block of claim 7, wherein: the first sliding plate (1) and the second sliding plate (2) are provided with sliding grooves (51), and the corresponding first supporting plate (11) and the second supporting plate (21) are provided with clamping protrusions (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210216036.8A CN114472815B (en) | 2022-03-07 | 2022-03-07 | Accurate core support in location of thin wall engine cylinder body casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210216036.8A CN114472815B (en) | 2022-03-07 | 2022-03-07 | Accurate core support in location of thin wall engine cylinder body casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114472815A true CN114472815A (en) | 2022-05-13 |
| CN114472815B CN114472815B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210216036.8A Active CN114472815B (en) | 2022-03-07 | 2022-03-07 | Accurate core support in location of thin wall engine cylinder body casting |
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| CN (1) | CN114472815B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB796947A (en) * | 1956-10-19 | 1958-06-25 | Ideal Boilers & Radiators Ltd | Improvements in or relating to chaplet-positioning apparatus for use in the foundry production of castings |
| DE202007011505U1 (en) * | 2007-08-17 | 2007-10-18 | Karl Schmidt Fabrik für Gießereibedarf GmbH & Co. | Core support with clip or clamping function |
| KR101682981B1 (en) * | 2016-07-27 | 2016-12-08 | 세화금속공업주식회사 | Construction for molding sand |
| CN109396363A (en) * | 2017-08-16 | 2019-03-01 | 姚素梅 | Adjustable casting stud |
| CN112008046A (en) * | 2020-09-04 | 2020-12-01 | 土平机械（江苏）有限公司 | Square pressure piece thin-wall core support device for cast iron alloy molding |
| CN214290792U (en) * | 2020-11-11 | 2021-09-28 | 夏邑县瑞鑫汽配科技有限公司 | Support fixed knot of round steel casting constructs |
| CN214616573U (en) * | 2020-12-28 | 2021-11-05 | 云南省建设投资控股集团有限公司 | Integral gantry trolley |
-
2022
- 2022-03-07 CN CN202210216036.8A patent/CN114472815B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB796947A (en) * | 1956-10-19 | 1958-06-25 | Ideal Boilers & Radiators Ltd | Improvements in or relating to chaplet-positioning apparatus for use in the foundry production of castings |
| DE202007011505U1 (en) * | 2007-08-17 | 2007-10-18 | Karl Schmidt Fabrik für Gießereibedarf GmbH & Co. | Core support with clip or clamping function |
| KR101682981B1 (en) * | 2016-07-27 | 2016-12-08 | 세화금속공업주식회사 | Construction for molding sand |
| CN109396363A (en) * | 2017-08-16 | 2019-03-01 | 姚素梅 | Adjustable casting stud |
| CN112008046A (en) * | 2020-09-04 | 2020-12-01 | 土平机械（江苏）有限公司 | Square pressure piece thin-wall core support device for cast iron alloy molding |
| CN214290792U (en) * | 2020-11-11 | 2021-09-28 | 夏邑县瑞鑫汽配科技有限公司 | Support fixed knot of round steel casting constructs |
| CN214616573U (en) * | 2020-12-28 | 2021-11-05 | 云南省建设投资控股集团有限公司 | Integral gantry trolley |
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| Publication number | Publication date |
|---|---|
| CN114472815B (en) | 2024-04-02 |
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