CN113843396A - Combined core box for casting riser pad and application - Google Patents
Combined core box for casting riser pad and application Download PDFInfo
- Publication number
- CN113843396A CN113843396A CN202111102385.9A CN202111102385A CN113843396A CN 113843396 A CN113843396 A CN 113843396A CN 202111102385 A CN202111102385 A CN 202111102385A CN 113843396 A CN113843396 A CN 113843396A
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- Prior art keywords
- riser
- casting
- assembly
- adjusting
- core box
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- 238000005266 casting Methods 0.000 title claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 claims abstract description 29
- 210000003739 neck Anatomy 0.000 claims description 55
- 239000007769 metal material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000007790 scraping Methods 0.000 description 27
- 239000004576 sand Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/06—Core boxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/088—Feeder heads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The application relates to a combined core box for a casting riser pad, which comprises a bottom plate, an adjusting assembly and a riser assembly; the adjusting assembly comprises a plurality of adjusting sleeves with different specifications from large to small, the cross section of each adjusting sleeve is annular, one end of the adjusting sleeve with the largest specification is connected to the bottom plate, and the inner wall of the adjusting sleeve with the large specification in the adjusting sleeve with the adjacent specification is matched with the outer wall of the adjusting sleeve with the small specification; the riser assembly is arranged in the adjusting assembly and is detachably connected to the bottom plate, and a cavity for manufacturing the casting riser pad is formed between the riser assembly and the adjusting assembly. The application also relates to a method for manufacturing the cast riser pad. This application is through combination adjusting sleeve, change riser neck, realizes that a pair combination core box can be applicable to multiple model riser pad system core, and the equipment is convenient, be favorable to casting on-the-spot production management, replaces independent many sets of riser pad core boxes of prior art, realizes scale, batch application.
Description
Technical Field
The invention relates to the technical field of casting core making, in particular to a combined core box for a casting riser pad and application thereof.
Background
In the casting production process, the riser is designed for supplementing the shrinkage of the casting during solidification so as to prevent defects such as shrinkage cavity, shrinkage porosity and the like, and has the functions of exhausting and collecting slag. According to different sizes and structures of castings, the required feeder heads are different in size. In the casting process, the heating and heat-insulating risers with different sizes are more and more in demand, the demand for the risers is increased, and the requirements for the sizes of the risers are diversified. The traditional manufacturing method of the riser pad is that a size riser corresponds to a pair of riser pad core boxes, and the manufacturing method has many defects, the manufacturing cost of the core box is high, and the manufacturing cost of a mould is undoubtedly increased by a plurality of types of riser pad core boxes, so that the cost is not saved; the riser pad core boxes of various types are difficult to manage and easy to confuse during field production, and material misplacement is easy to happen in the riser pad core making process, so that semi-finished products are scrapped; the core boxes are multiple and disorderly, so that the potential safety hazard is brought to the operation of the casting process, and the field management is not facilitated.
Disclosure of Invention
Therefore, it is necessary to provide a combined core box for a casting riser pad and an application thereof, aiming at the existing riser with a size corresponding to a pair of riser pad core boxes.
In order to solve the problems, the invention adopts the following technical scheme:
the embodiment of the invention discloses a combined core box for a casting riser pad, which comprises a bottom plate, an adjusting assembly and a riser assembly, wherein the bottom plate is provided with a bottom plate; the adjusting assembly comprises a plurality of adjusting sleeves with different specifications from large to small, the cross section of each adjusting sleeve is annular, one end of the adjusting sleeve with the largest specification is connected to the bottom plate, and the inner wall of the adjusting sleeve with the large specification in the adjusting sleeve with the adjacent specification is matched with the outer wall of the adjusting sleeve with the small specification; the riser assembly is arranged in the adjusting assembly and is detachably connected to the bottom plate, and a cavity for manufacturing the casting riser pad is formed between the riser assembly and the adjusting assembly.
The embodiment of the invention discloses a combined core box for a casting riser pad, wherein a circular groove is arranged on a bottom plate and is used as a maximum specification adjusting sleeve.
The embodiment of the invention discloses a combined core box for a casting riser pad, wherein adjusting sleeves with adjacent specifications are in clearance fit.
The embodiment of the invention discloses a combined core box for a casting riser pad, which further comprises a scraping assembly, wherein the scraping assembly consists of a plurality of scraping plates with different specifications; the length of the sand scraping plate is between the outer diameter and the inner diameter of the top of the adjusting sleeve.
The embodiment of the invention discloses a combined core box for a casting riser pad, wherein a riser component is a plurality of riser necks with different specifications, and the specifications of the riser necks correspond to those of an adjusting sleeve; the riser neck and the adjusting sleeve with the corresponding specifications are equal in height; the cross section of the riser neck is circular, and the minimum cross section diameter of the riser neck is 0.30-0.35 of the inner diameter of the top of the adjusting sleeve with the specification corresponding to the riser neck.
The embodiment of the invention discloses a combined core box for a casting riser pad, wherein a positioning bulge is arranged on a bottom plate; a positioning hole is formed in the center of the bottom of the riser neck; the positioning bulge is detachably connected with the positioning hole.
The embodiment of the invention discloses a combined core box for casting a riser pad, wherein a riser neck comprises an upper part and a lower part which are detachably connected; the cross section of the upper part of the riser neck is gradually reduced from top to bottom, and the cross section of the lower part of the riser neck is gradually increased from top to bottom.
The embodiment of the invention discloses a combined core box for casting a riser pad, wherein the height of the lower part of a riser neck is 2/5 of the height of the riser neck.
The embodiment of the invention discloses a combined core box for a casting riser pad, which is made of a metal material.
Preferably, the material of the combined core box for the casting riser bush is a metal material.
In a second aspect, the embodiment of the invention discloses a method for manufacturing a casting riser pad, which is characterized in that the casting riser pad is used for core making by using a combined core box.
The technical scheme adopted by the invention can achieve the following beneficial effects:
according to the combined core box for casting the riser pad disclosed by the embodiment of the invention, the adjusting sleeves with different specifications are matched and correspond to riser necks with different specifications, and a pair of combined core boxes can be suitable for making cores of riser pads with various models by combining the adjusting sleeves and replacing the riser necks. The combined core box for casting the riser pad disclosed by the embodiment of the invention has the advantages of simple structure and low manufacturing cost, is obviously different from the existing process for manufacturing a multi-core box, and reduces the production cost. The combined core box for the casting riser pad disclosed by the embodiment of the invention is convenient to assemble, is beneficial to production management on a casting site, replaces independent multiple sets of riser pad core boxes in the prior art, and realizes large-scale and batch application.
Drawings
FIG. 1 is a schematic structural diagram of a combined core box for a riser pad according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of the assembly of a modular core box for a casting riser block and a casting riser block cored therewith according to an embodiment of the present invention assembled in three different ways;
FIG. 3 is a schematic structural diagram of a bottom plate with a groove as a maximum-specification adjusting sleeve according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a riser neck disclosed in an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an adjusting assembly according to an embodiment of the disclosure;
fig. 6 is a schematic structural diagram of a sand scraping assembly according to an embodiment of the disclosure.
Description of reference numerals:
100-bottom plate, 110-positioning projection, 200-adjusting component, 210-maximum specification adjusting sleeve, 220-second adjusting sleeve, 230-third adjusting sleeve, 310-first riser neck, 320-second riser neck, 330-third riser neck, 400-sand scraping component, 410-first sand scraping plate, 420-second sand scraping plate, 430-third sand scraping plate, 510-first casting riser pad, 520-second casting riser pad, 530-third casting riser pad.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be connected internally or indirectly. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the embodiment of the present invention discloses a combined core box for a casting riser pad, which comprises a bottom plate 100, an adjusting assembly 200, and a riser assembly; the adjusting assembly 200 comprises a plurality of adjusting sleeves with different specifications from large to small; the number of the adjusting sleeves is not specifically required, and can be reduced according to actual production needs.
In the embodiment of the present invention, the cross section of the adjusting sleeve is annular, one end of the maximum size adjusting sleeve 210 is connected to the bottom plate 100, one end of the maximum size adjusting sleeve 210 may be fixedly or detachably connected to the bottom plate 100, or a groove with a circular cross section may be directly disposed on the bottom plate 100 as shown in fig. 3 as the maximum size adjusting sleeve 210. The inner walls of the large-specification adjusting sleeves in the adjusting sleeves with adjacent specifications are in clearance fit with the outer walls of the small-specification adjusting sleeves, and the required adjusting sleeves can be selected and assembled before core making according to requirements, so that the core making requirement that one set of combined core box for the casting riser pad is suitable for riser pads with various sizes is met.
In the embodiment of the invention, the riser assembly is detachably connected at the intersection of the axis of the adjusting sleeve and the bottom plate 100, the adjusting sleeve is assembled according to requirements, the riser assembly is detachably connected to the bottom plate 100, and a cavity formed among the minimum-specification adjusting sleeve, the bottom plate 100 and the riser assembly is filled with sand and cored.
Alternatively, the maximum size adjusting sleeve 210 is a groove with a circular cross section and arranged on the bottom plate 100, and the inner wall of the groove can match with the outer wall of the second adjusting sleeve 220. Compared with the detachable connection of the maximum specification adjusting sleeve 210 and the bottom plate 100, the connection step can be omitted by arranging the groove on the bottom plate 100 as the maximum specification adjusting sleeve 210, and all adjusting sleeves can be assembled in the groove when the combined core box for the casting riser block is not in use, so that the storage and management are convenient.
In the embodiment of the invention, the disclosed combined core box for the casting riser pad further comprises a sand scraping assembly 400, which is used for scraping sand on the upper surface and scraping redundant sand during core making. Because the height of the casting riser pad with different sizes is different in actual production, the height of the assembled adjusting sleeve is also different, and the sand hanging assembly 400 with the corresponding size needs to be matched during core making. In the embodiment of the present invention, the scraping assembly 400 is composed of a plurality of scraping plates with different specifications; the length of the scraping plate is corresponding to the top of the adjusting sleeve, and the length of the scraping plate is between the outer diameter and the inner diameter of the top of the adjusting sleeve, so that the scraping plate with the corresponding specification is selected to scrape sand according to needs.
In the embodiment of the invention, as shown in fig. 5, the outer diameter of the top of each adjusting sleeve of each specification in the adjusting assembly 200 is larger than the outer diameter of the bottom, the inner diameter of the top is also larger than the inner diameter of the bottom, and after assembly, the gap between the adjusting sleeves of adjacent specifications is 0.5-1 mm. So that the adjusting sleeve is assembled before molding, the riser pad is easier to take out from the combined core box after molding, and the disassembling operation of the adjusting sleeve is simple and convenient.
In an alternative embodiment of the present invention, as shown in fig. 6, the lengths of the various specifications of the scraping plates in the scraping assembly 400 are the same; the second scraping plate 420 is a boss which is arranged at the bottom of the scraping plate and has a height matched with that of the second adjusting sleeve 220 and a length between the outer diameter and the inner diameter of the second adjusting sleeve 220 on the basis of the size of the first scraping plate 410. The third scraping plate 430 is a boss which is arranged at the bottom of the scraping plate and has a height matched with the height of the third adjusting sleeve 230 and a length between the outer diameter and the inner diameter of the third adjusting sleeve 230 on the basis of the size of the first scraping plate 410. By analogy, the height and the length of the lug boss are only required to be set so as to correspond to the corresponding adjusting sleeve for a plurality of sand scraping plates with different specifications corresponding to the adjusting sleeve.
In the embodiment of the invention, the riser component is a plurality of riser necks with different specifications, and the specification of the riser necks corresponds to that of the adjusting sleeve; the riser neck and the adjusting sleeve with the corresponding specifications have the same height; the cross section of the riser neck is circular, and the diameter of the minimum cross section of the riser neck is 0.30-0.35 of the inner diameter of the top of the adjusting sleeve with the specification corresponding to the riser neck.
In the embodiment of the invention, the positioning device is used for positioning the riser neck, and a positioning bulge 110 is arranged at the intersection of the axis of the adjusting sleeve and the bottom plate 100; specifically, the positioning boss 110 is provided on the base plate 100; the bottom center of the riser neck is provided with a positioning hole, the riser neck is connected with the bottom plate through the positioning hole and the positioning bulge 110, and compared with other connection modes, the connection mode is more convenient to assemble and disassemble and is beneficial to field operation.
In the embodiment of the invention, the riser neck comprises an upper part and a lower part which are detachably connected; as shown in FIG. 4, the cross section of the upper part of the riser neck is gradually reduced from top to bottom, and the cross section of the lower part of the riser neck is gradually increased from top to bottom. The size of the riser after molding and casting is basically the same as the shape and size of the upper part of the riser neck used, and the riser is removed from the position with the smallest horizontal section after casting.
Optionally, the joint of the outer walls of the upper part and the lower part of the riser neck is in a sharp-horn shape, so that the riser can be directly knocked off after production.
In the embodiment of the invention, the height of the lower part of the riser neck is 2/5 according to the actual production design requirement.
Specifically, the embodiment of the invention can select different assembling modes of the adjusting sleeve according to the size requirement of the casting riser pad in actual production, and as shown in fig. 2, three casting riser pads with different specifications are produced. The bottom plate 100 is provided with a groove with a circular cross section as a maximum specification adjusting sleeve 210, the center of the bottom of the groove is connected with a first riser neck 310, the first riser neck 310 is the maximum specification riser neck, the height of the first riser neck 310 is the same as the depth of the groove, and the assembling mode is used for producing a first riser pad 510, namely the maximum specification riser pad. The second adjusting sleeve 220 matched with the inner wall of the groove is placed in the groove, the height of the second adjusting sleeve 220 is smaller than the depth of the groove according to production requirements, the second riser neck 320 is connected to the center of the bottom of the groove, the height of the second riser neck 320 is the same as that of the second adjusting sleeve 220, the assembling mode is used for producing a second riser pad 520, and the size of the second riser pad 520 is smaller than that of the first riser pad 510. The second adjusting sleeve 220 matched with the inner wall of the groove and the third adjusting sleeve 230 matched with the inner wall of the second adjusting sleeve 220 are sequentially placed in the groove, the third adjusting sleeve 230 is lower than the second adjusting sleeve 220 in height according to production requirements, the center of the bottom of the groove is connected with the third riser neck 330, the third riser neck 330 is the same as the third adjusting sleeve 230 in height, the assembling mode is used for producing the third riser pad 530, and the size of the third riser pad 530 is smaller than that of the second riser pad 520. Correspondingly, according to needs, more adjusting sleeves and riser necks of different specifications can be arranged for producing riser pads of corresponding sizes, and a pair of combined core boxes can be suitable for making cores of riser pads of various models by combining the adjusting sleeves and replacing the riser necks.
Optionally, the riser assembly, the adjustment assembly 200 and the sand scraping assembly 400 are clearly marked on the non-working surface according to the corresponding specifications so as to be distinguished during production and facilitate the management of the production field.
In the embodiment of the invention, the combined core box for casting the riser pad is made of metal materials, and compared with a wood core box, the metal core box is more durable and has lower manufacturing cost compared with a ceramic core box.
Optionally, the bottom plate 100, the adjusting assembly 200 and the riser assembly are made of aluminum alloy, so that the core box is light and durable, the strength of the core box can be guaranteed, the core box drawing mode is a stripping mode, and the production operation process is simple.
In the embodiment of the invention, all the parts of the combined core box for casting the riser pad have no flash and burr, the dimensional tolerance is-0.5-1 mm, and the precise matching among the parts is ensured.
The embodiment of the invention also discloses a manufacturing method of the casting riser pad based on the combined core box for the casting riser pad disclosed by the embodiment of the invention, and the core is manufactured by using the combined core box for the casting riser pad described in any embodiment.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The combined core box for the casting riser pad is characterized by comprising a bottom plate (100), an adjusting assembly (200) and a riser assembly; the adjusting assembly (200) comprises a plurality of adjusting sleeves with different specifications, the cross section of each adjusting sleeve is annular, one end of the adjusting sleeve (210) with the largest specification is connected to the bottom plate (100), and the inner wall of the adjusting sleeve with the large specification in the adjusting sleeve with the adjacent specification is matched with the outer wall of the adjusting sleeve with the small specification; the riser assembly is arranged in the adjusting assembly (200) and is detachably connected to the bottom plate (100), and a cavity for manufacturing the casting riser pad is formed between the riser assembly and the adjusting assembly (200).
2. A modular core box for a casting riser mat according to claim 1, characterized in that a circular groove is provided on the bottom plate (100) as the maximum-gauge adjustment sleeve (210).
3. The modular core box for a casting riser block of claim 1 wherein said adjustment sleeves of adjacent gauges are in a clearance fit.
4. The modular core box for a casting riser pad according to claim 1, further comprising a wiper assembly (400), said wiper assembly (400) consisting of a plurality of wiper plates of different specifications, the length of the wiper plates being between the outer and inner diameters of the top of the corresponding adjustment sleeve.
5. The modular core box for a casting riser pad of claim 1, wherein the riser assembly is a plurality of riser necks of different gauges, the gauge of the riser necks corresponding to the gauge of the adjustment sleeve; the riser neck and the adjusting sleeve with the corresponding specifications are equal in height; the cross section of the riser neck is circular, and the minimum cross section diameter of the riser neck is 0.30-0.35 of the inner diameter of the top of the adjusting sleeve with the specification corresponding to the riser neck.
6. The modular core box for a casting riser mat according to claim 5, characterized in that said bottom plate (100) is provided with positioning projections (110); a positioning hole is formed in the center of the bottom of the riser neck; the positioning bulge (110) is detachably connected with the positioning hole.
7. The modular core box for a casting riser mat as recited in claim 5, wherein the riser neck comprises an upper portion and a lower portion, the upper and lower portions being removably connected; the cross section of the upper part of the riser neck is gradually reduced from top to bottom, and the cross section of the lower part of the riser neck is gradually increased from top to bottom.
8. The modular core box for a casting riser mat as set forth in claim 5, wherein said riser neck lower height is 2/5 riser neck height.
9. The combined core box for the casting riser pad according to claim 1, wherein the material of the combined core box for the casting riser pad is a metal material.
10. A method of manufacturing a casting riser mat, characterized in that a core is made using a modular core box for a casting riser mat according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111102385.9A CN113843396A (en) | 2021-09-23 | 2021-09-23 | Combined core box for casting riser pad and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111102385.9A CN113843396A (en) | 2021-09-23 | 2021-09-23 | Combined core box for casting riser pad and application |
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| Publication Number | Publication Date |
|---|---|
| CN113843396A true CN113843396A (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111102385.9A Pending CN113843396A (en) | 2021-09-23 | 2021-09-23 | Combined core box for casting riser pad and application |
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| CN (1) | CN113843396A (en) |
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| CN210676844U (en) * | 2019-09-06 | 2020-06-05 | 江苏钢锐精密机械有限公司 | Apparatus for manufacturing riser ring for casting of injection molding machine type casting |
| CN211027986U (en) * | 2019-09-24 | 2020-07-17 | 中国第一汽车股份有限公司 | Riser die |
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2021
- 2021-09-23 CN CN202111102385.9A patent/CN113843396A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2197194Y (en) * | 1994-02-07 | 1995-05-17 | 福德成兴业股份有限公司 | Mold for adjustable panel of air conditioner |
| JP2004058471A (en) * | 2002-07-29 | 2004-02-26 | Sato Kogyosho:Kk | Curvature adjustable surface plate for mold form |
| CN205914702U (en) * | 2016-08-24 | 2017-02-01 | 宁夏朗盛精密制造技术有限公司 | Can make up, changeable modularization, from locking -type core box |
| CN206590326U (en) * | 2016-12-21 | 2017-10-27 | 上海力统冷链科技有限公司 | A kind of Combined cold chain storage and conveying box |
| CN106984770A (en) * | 2017-03-17 | 2017-07-28 | 共享装备股份有限公司 | Rod class sand cores of castings core box and core-making method |
| CN107262584A (en) * | 2017-08-08 | 2017-10-20 | 天津天锻航空科技有限公司 | A kind of customized parameter sheet material bulging assembling die and bulging experimental method |
| CN108971426A (en) * | 2018-08-29 | 2018-12-11 | 共享铸钢有限公司 | Different size gear ring class casting nested type moulding casting mold |
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| CN211027986U (en) * | 2019-09-24 | 2020-07-17 | 中国第一汽车股份有限公司 | Riser die |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211228 |