CN104107878A - Core box structure for making large motor seat integral sand core - Google Patents
Core box structure for making large motor seat integral sand core Download PDFInfo
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- CN104107878A CN104107878A CN201410306308.9A CN201410306308A CN104107878A CN 104107878 A CN104107878 A CN 104107878A CN 201410306308 A CN201410306308 A CN 201410306308A CN 104107878 A CN104107878 A CN 104107878A
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- core box
- main body
- box main
- loose piece
- core
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- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 239000004576 sand Substances 0.000 claims abstract description 16
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 239000003110 molding sand Substances 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a core box structure for making a large motor seat integral sand core. The core box structure comprises a pedestal, a core box main body, loose pieces and core stripping mechanisms, the core box main body is formed by an upper core box main body and a lower core box main body, the lower core box main body is placed on the pedestal and can walk along a railway on the pedestal, the upper core box main body is placed at the top of the lower core box main body and can walk along a railway at the top of the lower core box main body, the upper core box main body and the lower core box main body are respectively divided into a left retractable portion and a right retractable portion, the corresponding side portions of the upper core box main body and the lower core box main body are positioned and connected through positioning pins, the upper core box main body and the lower core box main body are provided with the loose pieces for making sand holes on the sand core respectively, and the left and right side portions of the upper core box main body and the left and right side portions of the lower core box main body are respectively provided with one of the core stripping mechanisms. The core box structure has the advantages of simple operation, labor intensity reduction, improvement of the production efficiency and quality of the large motor seat sand core, and solving of corresponding problems existing in the prior art.
Description
Technical field
The present invention relates to a kind of core box structure of preparing core, relate in particular to a kind of core box structure of preparing large-size machine support integral sand core.
Background technology
The making of large-size machine support core, mostly adopts radially divided upper and lower two halves core to form, and die cost is low, and coremaking is simple, but the planarization of back-up sand face in the middle of bad guarantee core.When lower core, adopt the mode respectively two cores being lowered to, due to the back-up sand face contact of two cores, the height of core after core under very difficult control, need polish when core the is high back-up sand face of core, when core is low, the centre of two halves core need be paved, need measure and just can control several times core height well with clamp, labor strength be large, and production efficiency is low.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of processing ease, the core box structure of preparing large-size machine support integral sand core that production efficiency is low.
The core box structure of preparing large-size machine support integral sand core of the present invention, comprise base, core box main body, loose piece and core ejection mechanism, described core box main body is made up of upper core box main body and lower core box main body two parts, described lower core box main body is placed on base, and can be along the track walking on base, described upper core box main body is placed in lower core box main body top, and can be along the track walking at lower core box main body top, upper core box main body and lower core box main body are divided into a left side, right two parts that can folding, the left part of the left part of upper core box main body and lower core box main body is located by connecting by alignment pin, the right side part of upper core box main body and the right side part of lower core box main body are located by connecting by alignment pin, in upper core box main body and lower core box main body, be provided with the loose piece for make sand hole on core, a left side for upper core box main body, a left side for right side part and lower core box main body, in the part of right side, be provided with core ejection mechanism.
Further, the centre in core box main body is provided with and exempts from back-up sand occupy-place cylinder.
Further, on described base, be provided with the clasp mould mechanism of opening and closing the left and right part of core box main body.
Preferably; described clasp mould mechanism comprises screw rod, plug plate and holder; on described plug plate, be provided with screwed hole; described screw rod screws on plug plate; the lower end of described plug plate can plug and be arranged in the jack of offering on described base; described holder is fixed on the left side of lower core box main body or/and in the part of right side; on holder, offer T-shaped groove or dovetail groove; and vertically run through the upper end of holder; T-shaped groove or dovetail groove on one end of screw rod and holder are chimeric, and can extract from the upper end of T-shaped groove or dovetail groove.
Further, loose piece in described upper core box main body comprises top-pulling type cylindricality loose piece and lower de-formula cambered surface loose piece, the lower end of described top-pulling type cylindricality loose piece is provided with locating dowel, the center of described lower de-formula cambered surface loose piece offers the locating hole that runs through its two ends, in described upper core box main body, offer loose piece installing hole, described top-pulling type cylindricality loose piece is vertically arranged in loose piece installing hole, described lower de-formula cambered surface loose piece is placed on the flange in core box main body, on this flange, offer locating hole, the locating dowel of described top-pulling type cylindricality loose piece is through the locating hole at lower de-formula cambered surface loose piece center, and insert in the locating hole on flange.
Further, loose piece in described lower core box main body comprises de-formula cambered surface loose piece, tubular loose piece, backstay and lower de-formula combination loose piece, described lower de-formula combination loose piece is placed on the boss in lower core box main body, the lower end of described tubular loose piece is placed on lower de-formula combination loose piece, the lower end of described de-formula cambered surface loose piece is placed in the upper end of tubular loose piece, the upper end of described de-formula cambered surface loose piece contacts with the flange in lower core box main body, on this flange, offer locating hole, described backstay is through lower de-formula combination loose piece, tubular loose piece and upper de-formula cambered surface loose piece, and insert in the locating hole on lower core box main body inward flange.
Further, described lower de-formula combination loose piece comprises second time de-formula cambered surface loose piece and dull and stereotyped loose piece, and described second time de-formula cambered surface loose piece is arranged in the locating slot of dull and stereotyped loose piece upper surface.
Further, on described base, be also provided with the backstay lift that operation backstay inserted and departed from locating hole, described backstay lift is lever construction, and one end of lever is fixed with an ejector pin, and the upper end of ejector pin is through the boss in lower core box main body and the lower end in contact of backstay.
The diameter of the end face that preferably, the push rod of described core ejection mechanism contacts with core is more than 100 millimeters.
Preferably, the height of described base is more than 350 millimeters, is provided with 10 above reinforcements on described base.
The present invention is by being upper and lower double-layer structure by core box body design, be divided into lower core box main body and upper core box main body, and in lower core box main body and upper core box main body, independently core ejection mechanism is all installed, thereby in the time of coremaking, be beneficial to the molding sand tamping of bottom in core box main body (in lower core box main body), the demoulding at present core box main body and upper core box main body can depart from core respectively, is beneficial to the demoulding; Further, exempt from back-up sand occupy-place cylinder by the centre setting in core box main body, core is made to hollow, can reduce back-up sand, alleviate core weight, save production cost; Further, by arranging and open and the clasp mould mechanism of the left and right part of core box main body that closes, thereby be convenient to the folding modulo operation of core box on base; Diameter by end face that the push rod of core ejection mechanism is contacted with core is made as more than 100 millimeters, has guaranteed the contact area of push rod and core, thereby has been beneficial to stripping operation; By the height of base is made as more than 350 millimeters, and more than 10 reinforcements is set on base, thereby has ensured intensity and the rigidity of base, reduced the distortion of base in the time of hanging integrated core box.
The present invention is simple to operate, is conducive to reduce labour intensity, improves production efficiency and the quality of large-size machine support core, and finally improves casting quality, has solved the correspondence problem that prior art exists, and is the ideal tools of preparing large-size machine support integral sand core.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, below with preferred embodiment of the present invention and coordinate accompanying drawing to be described in detail as follows.
Brief description of the drawings
Fig. 1 is the plan structure schematic diagram of one embodiment of the invention;
Fig. 2 is the core box structure of preparing large-size machine support integral sand core shown in Fig. 1 cross-sectional schematic at P-P place;
Fig. 3 is the local enlarged diagram of Fig. 2 at A place;
Fig. 4 is the local enlarged diagram of Fig. 2 at B place;
Fig. 5 is the local enlarged diagram of Fig. 2 at C place;
In figure: 1, base; 11, track; 12, jack; 13, reinforcement; 2, lower core box main body; 21, track; 22, boss; 23, flange; 3, upper core box main body; 31, flange; 4, exempt from back-up sand occupy-place cylinder; 5, core ejection mechanism; 51, push rod; 6, clasp mould mechanism; 61, screw rod; 62, plug plate; 63, holder; 71, top-pulling type cylindricality loose piece; 72, lower de-formula cambered surface loose piece; 73, upper de-formula cambered surface loose piece; 74, tubular loose piece; 75, backstay; 76, second time de-formula cambered surface loose piece; 77, dull and stereotyped loose piece; 8, backstay lift; 81, lever; 82, ejector pin.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
Referring to shown in Fig. 1 to Fig. 5, a kind of core box structure of preparing large-size machine support integral sand core, comprise base 1, core box main body, loose piece, exempt from back-up sand occupy-place cylinder 4, core ejection mechanism 5, clasp mould mechanism 6, described core box main body is made up of upper core box main body 3 and lower core box main body 2 two parts, lower core box main body 2 is placed on base 1, and can walk along the track 11 on base 1, upper core box main body 3 is placed in lower core box main body 2 tops, and can walk along the track 21 at lower core box main body 2 tops, upper core box main body 3 and lower core box main body 2 are divided into a left side, right two parts that can folding, the left part of the left part of upper core box main body 3 and lower core box main body 2 is located by connecting by alignment pin, the right side part of upper core box main body 3 and the right side part of lower core box main body 2 are located by connecting by alignment pin, in upper core box main body 3 and lower core box main body 2, be provided with the loose piece for make sand hole on core, centre in core box main body is provided with exempts from back-up sand occupy-place cylinder 4, a left side for upper core box main body 3, a left side for right side part and lower core box main body 2, in the part of right side, be provided with core ejection mechanism 5, on base 1, be provided with and open and the core box main body left side of closing, the clasp mould mechanism 6 of right half.
Further; clasp mould mechanism 6 comprises screw rod 61, plug plate 62 and holder 63; on plug plate 62, be provided with screwed hole; screw rod 61 screws on plug plate 62; the lower end of plug plate 62 can plug and be arranged in the jack 12 of offering on base 1; holder 63 is fixed on the left side of lower core box main body 2 or/and in the part of right side; on holder 63, offer T-shaped groove or dovetail groove; and vertically run through the upper end of holder 63; T-shaped groove or dovetail groove on one end of screw rod 61 and holder 63 are chimeric, and can extract from the upper end of T-shaped groove or dovetail groove.
Further, loose piece in upper core box main body 3 comprises top-pulling type cylindricality loose piece 71 and lower de-formula cambered surface loose piece 72, the lower end of top-pulling type cylindricality loose piece 71 is provided with locating dowel, lower de-formula cambered surface loose piece 72 center offers the locating hole that runs through its two ends, in upper core box main body 3, offer loose piece installing hole, top-pulling type cylindricality loose piece 71 is vertically arranged in loose piece installing hole, lower de-formula cambered surface loose piece 72 is placed on the flange 31 in core box main body 3, on flange 31, offer locating hole, the locating dowel of top-pulling type cylindricality loose piece 71 is through the locating hole at lower de-formula cambered surface loose piece 72 centers, and insert in the locating hole on flange 31.
Further, loose piece in lower core box main body 2 comprises de-formula cambered surface loose piece 73, tubular loose piece 74, backstay 75 and lower de-formula combination loose piece, described lower de-formula combination loose piece is placed on the boss 22 in lower core box main body 2, the lower end of tubular loose piece 74 is placed on lower de-formula combination loose piece, the lower end of upper de-formula cambered surface loose piece 73 is placed in the upper end of tubular loose piece 74, the upper end of upper de-formula cambered surface loose piece 73 contacts with the flange 23 in lower core box main body 2, on flange 23, offer locating hole, backstay 75 is through lower de-formula combination loose piece, tubular loose piece 74 and upper de-formula cambered surface loose piece 73, and insert in the locating hole on lower core box main body 2 inward flanges 23.
Further, described lower de-formula combination loose piece comprises that second time de-formula cambered surface loose piece 76 and 77, the second times de-formula cambered surface loose pieces 76 of dull and stereotyped loose piece are arranged in the locating slot of dull and stereotyped loose piece 77 upper surfaces.
Further, on base 1, be also provided with the backstay lift 8 that operation backstay 75 inserted and departed from locating hole, backstay lift 8 is lever construction, one end of lever 81 is fixed with an ejector pin 82, and the upper end of ejector pin 82 is the lower end in contact with backstay 75 through the boss 22 in lower core box main body 2.
The diameter of the end face that preferably, the push rod 51 of core ejection mechanism 5 contacts with core is more than 100 millimeters.
Preferably, the height of base 1 is more than 350 millimeters, is provided with 10 above reinforcements 13 on base 1.
The using method of the core box structure of preparing large-size machine support integral sand core of the present embodiment is:
Before coremaking, first twist core ejection mechanism 5 push rod 51 is exited, guarantee that top board is equal with core box plane.By backstay lift 8, by backstay 75 jack-up in the middle of the tubular loose piece of lower core box main body 2 bottoms 74, behind tubular loose piece 74 and upper de-formula cambered surface loose piece 73 location, by backstay lift, 8 is fixing; Top-pulling type cylindricality loose piece 71 in upper core box main body 3 adopts de-formula cambered surface loose piece 72 the mode general who puts into from top to locate.
Clasp mould mechanism 6 can be pulled down, and is put in three jacks 12 of diverse location on base 1, realizes the movement along core box folding mould direction on base, reduces screw rod 61 travel distances, shortens the folding mould time.In the middle of lower core box main body 2 being pushed into along track 11 with clasp mould mechanism 6; after lower core box main body 2 is locked; just can carry out the back-up sand operation of lower core box main body 2; when lower core box main body 2 is filled up soon; the position of matched moulds in the middle of upper core box main body 3 is pushed into along track 21; with alignment pin, upper core box main body 3 and lower core box main body 2 are located and locked, whole core box is filled up to core sand.
Rise before core and first top-pulling type cylindricality loose piece 71 is gently turned to rear taking-up, the backstays 75 of tubular loose piece 74 centres are fallen with backstay lift 8, lower de-formula cambered surface loose piece 72, tubular loose piece 74 and upper de-formula cambered surface loose piece 73 are taken out of with core.
The core ejection mechanism 5 of screwing in core box main body 3, throws off upper core box main body 3 and core; Back out the core ejection mechanism 5 in core box main body 2, lower core box main body 2 and core are thrown off, by clasp mould mechanism 6, the left and right part entirety of core box main body is pulled open.
The present invention is simple to operate, is conducive to reduce labour intensity, improves production efficiency and the quality of large-size machine support core, and finally improves casting quality, has solved the correspondence problem that prior art exists, and is the ideal tools of preparing large-size machine support integral sand core.
The above is only the preferred embodiment of the present invention; be not limited to the present invention; should be understood that; for those skilled in the art; do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (10)
1. prepare the core box structure of large-size machine support integral sand core for one kind, it is characterized in that: comprise base, core box main body, loose piece and core ejection mechanism, described core box main body is made up of upper core box main body and lower core box main body two parts, described lower core box main body is placed on base, and can be along the track walking on base, described upper core box main body is placed in lower core box main body top, and can be along the track walking at lower core box main body top, upper core box main body and lower core box main body are divided into a left side, right two parts that can folding, the left part of the left part of upper core box main body and lower core box main body is located by connecting by alignment pin, the right side part of upper core box main body and the right side part of lower core box main body are located by connecting by alignment pin, in upper core box main body and lower core box main body, be provided with the loose piece for make sand hole on core, a left side for upper core box main body, a left side for right side part and lower core box main body, in the part of right side, be provided with core ejection mechanism.
2. the core box structure of preparing large-size machine support integral sand core according to claim 1, is characterized in that: the centre in core box main body is provided with exempts from back-up sand occupy-place cylinder.
3. the core box structure of preparing large-size machine support integral sand core according to claim 1, is characterized in that: on described base, be provided with the clasp mould mechanism of opening and closing the left and right part of core box main body.
4. the core box structure of preparing large-size machine support integral sand core according to claim 3, it is characterized in that: described clasp mould mechanism comprises screw rod, plug plate and holder, on described plug plate, be provided with screwed hole, described screw rod screws on plug plate, the lower end of described plug plate can plug and be arranged in the jack of offering on described base, described holder is fixed on the left side of lower core box main body or/and in the part of right side, on holder, offer T-shaped groove or dovetail groove, and vertically run through the upper end of holder, T-shaped groove or dovetail groove on one end of screw rod and holder are chimeric, and can extract from the upper end of T-shaped groove or dovetail groove.
5. the core box structure of preparing large-size machine support integral sand core according to claim 1, it is characterized in that: the loose piece in described upper core box main body comprises top-pulling type cylindricality loose piece and lower de-formula cambered surface loose piece, the lower end of described top-pulling type cylindricality loose piece is provided with locating dowel, the center of described lower de-formula cambered surface loose piece offers the locating hole that runs through its two ends, in described upper core box main body, offer loose piece installing hole, described top-pulling type cylindricality loose piece is vertically arranged in loose piece installing hole, described lower de-formula cambered surface loose piece is placed on the flange in core box main body, on this flange, offer locating hole, the locating dowel of described top-pulling type cylindricality loose piece is through the locating hole at lower de-formula cambered surface loose piece center, and insert in the locating hole on flange.
6. the core box structure of preparing large-size machine support integral sand core according to claim 1, it is characterized in that: the loose piece in described lower core box main body comprises de-formula cambered surface loose piece, tubular loose piece, backstay and lower de-formula combination loose piece, described lower de-formula combination loose piece is placed on the boss in lower core box main body, the lower end of described tubular loose piece is placed on lower de-formula combination loose piece, the lower end of described de-formula cambered surface loose piece is placed in the upper end of tubular loose piece, the upper end of described de-formula cambered surface loose piece contacts with the flange in lower core box main body, on this flange, offer locating hole, described backstay is through lower de-formula combination loose piece, tubular loose piece and upper de-formula cambered surface loose piece, and insert in the locating hole on lower core box main body inward flange.
7. the core box structure of preparing large-size machine support integral sand core according to claim 6, it is characterized in that: described lower de-formula combination loose piece comprises second time de-formula cambered surface loose piece and dull and stereotyped loose piece, and described second time de-formula cambered surface loose piece is arranged in the locating slot of dull and stereotyped loose piece upper surface.
8. the core box structure of preparing large-size machine support integral sand core according to claim 6, it is characterized in that: the backstay lift that is also provided with the insertion of operation backstay and disengaging locating hole on described base, described backstay lift is lever construction, one end of lever is fixed with an ejector pin, and the upper end of ejector pin is through the boss in lower core box main body and the lower end in contact of backstay.
9. the core box structure of preparing large-size machine support integral sand core according to claim 1, is characterized in that: the diameter of the end face that the push rod of described core ejection mechanism contacts with core is more than 100 millimeters.
10. the core box structure of preparing large-size machine support integral sand core according to claim 1, is characterized in that: the height of described base is more than 350 millimeters, is provided with 10 above reinforcements on described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410306308.9A CN104107878B (en) | 2014-06-30 | 2014-06-30 | Core box structure for making large motor seat integral sand core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410306308.9A CN104107878B (en) | 2014-06-30 | 2014-06-30 | Core box structure for making large motor seat integral sand core |
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| Publication Number | Publication Date |
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| CN104107878A true CN104107878A (en) | 2014-10-22 |
| CN104107878B CN104107878B (en) | 2017-01-11 |
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| CN201410306308.9A Active CN104107878B (en) | 2014-06-30 | 2014-06-30 | Core box structure for making large motor seat integral sand core |
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Cited By (3)
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| CN106180574A (en) * | 2016-08-25 | 2016-12-07 | 共享装备股份有限公司 | A kind of manufacture method of wheel hub core |
| CN110039010A (en) * | 2019-05-30 | 2019-07-23 | 大连金河铸造有限公司 | Complex thin-wall core makes core method |
| CN110496940A (en) * | 2019-08-14 | 2019-11-26 | 聊城新泺机械有限公司 | A kind of core box structure preparing large-scale U-shaped resin sand sand core |
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| WO2002024377A1 (en) * | 2000-09-19 | 2002-03-28 | Georg Fischer Disa A/S | Mould-making machine with means for moving an upper core box to an inspection, cleaning, etc. position |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106180574A (en) * | 2016-08-25 | 2016-12-07 | 共享装备股份有限公司 | A kind of manufacture method of wheel hub core |
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| CN110039010B (en) * | 2019-05-30 | 2021-04-20 | 大连金河铸造有限公司 | Core making method for complex thin-wall core |
| CN110496940A (en) * | 2019-08-14 | 2019-11-26 | 聊城新泺机械有限公司 | A kind of core box structure preparing large-scale U-shaped resin sand sand core |
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| CN104107878B (en) | 2017-01-11 |
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Address after: 252000 Liaohe Road, Liaocheng Development Zone, Shandong, China, No. 169 Applicant after: Liaocheng Xin Luo Machinery Co., Ltd. Address before: 252000 No. 169, Liaohe Road, Liaocheng Economic Development Zone, Liaocheng, Shandong Applicant before: JICHAI LIAOCHENG MACHINERY CO., LTD. |
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Denomination of invention: Core box structure for making large motor seat integral sand core Effective date of registration: 20181221 Granted publication date: 20170111 Pledgee: Huaxia Bank Limited by Share Ltd Liaocheng Dongchang Branch Pledgor: Liaocheng Xin Luo Machinery Co., Ltd. Registration number: 2018370000227 |