CN102527949B - Automatic aligning device for iron-type sand shooting hole cleaning ejection rods - Google Patents
Automatic aligning device for iron-type sand shooting hole cleaning ejection rods Download PDFInfo
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- CN102527949B CN102527949B CN 201210033709 CN201210033709A CN102527949B CN 102527949 B CN102527949 B CN 102527949B CN 201210033709 CN201210033709 CN 201210033709 CN 201210033709 A CN201210033709 A CN 201210033709A CN 102527949 B CN102527949 B CN 102527949B
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Abstract
The invention discloses an automatic aligning device for iron-type sand shooting hole cleaning ejection rods. The device comprises ejection rods. The device is characterized by also comprising a front ejection rod plate, a rear ejection rod plate and a spring, wherein the front ejection rod plate and the rear ejection rod plate are arranged in parallel; a strut is arranged between the front ejection rod plate and the rear ejection rod plate; a bolt penetrates through the rear ejection rod plate, the strut and the front ejection rod plate to fix the front ejection rod plate and the rear ejection rod plate; the front ejection rod plate is provided with a plurality of ejection rod holes, an ejection rod is arranged in each ejection rod hole, the ejection rods correspond to iron-type upper sand shooting holes one by one, the diameter of each ejection rod hole is greater than that of the main body of each ejection rod and smaller than that of the tail of each ejection rod, and a gap is reserved between each ejection rod hole and each ejection rod; a spring pit is formed in the tail of each ejection rod, a spring is arranged in each spring pit, one end of each spring is fixed in the spring pit, and the other end of each spring is in contact with the rear ejection rod plate; and the head of each ejection rod is conical. The device can prevent the ejection rods from being bent or broken in the iron-type sand-lined casting production process, and can meet the mechanized production requirement of iron-type sand-lined casting.
Description
Technical field
The present invention relates to the self-aligning device of a kind of swage sand-spraying hole cleaning push rod.
Background technology
The Iron Mould Coated Sand casting belongs to one of Special Processes of Metal Castings, and its casting mold is to be covered with the skim precoated sand at the metal mold inner chamber to form casting mold, and this metal mold is referred to as swage.In the process, the layer of sand that covers on the swage is by penetrating the sand molding machine sand-spraying hole of precoated sand by swage to be layed onto on the inner chamber of swage in the Iron Mould Coated Sand Foundry Production.After molten iron cast, the residual sand that also leaves considerable part on the sand-spraying hole of swage does not have defeated and dispersed, remains in the swage.When carrying out next Iron Mould Coated Sand moulding, these residual sand must be removed clean like this.The cleaning of sand-spraying hole mainly is in order to make sand-spraying hole and swage inner chamber unimpeded, to guarantee to cover sand molding.
In the Iron Mould Coated Sand foundry production cleaning of swage sand-spraying hole generally by electric impact drill or pneumatic drill just the residual sand in the swage sand-spraying hole drill through, tens sand-spraying holes are generally arranged on the secondary swage, such cleaning, efficient is very low.The cleaning of swage sand-spraying hole also can be adopted at fixed head and settle and swage sand-spraying hole position, apical pore bar plate that quantity is consistent, the corresponding sand-spraying hole of each push rod, by applying certain pressure at the apical pore plate, the residual sand in the sand-spraying hole on the swage is extruded.Referring to Fig. 2～Fig. 4, when adopting push rod 1 ' to depress cleaning sand-spraying hole 2 ', every push rod 1 ' corresponding sand-spraying hole 2 ', such manner of cleaning up, the efficient height can satisfy mechanization Iron Mould Coated Sand Foundry Production.But because in actual production process, sand-spraying hole quantity on every secondary swage is a lot, when the processing sand-spraying hole, may there be a little difference the sand-spraying hole position of every swage, and push rod 1 ' screw thread is fixed on the push rod plate 3 ', when if there is deviation swage sand-spraying hole 2 ' position and push rod 1 ' position, run into swage sand-spraying hole 2 ' when push rod 1 ' is depressed, bending or top are disconnected easily under pressure for push rod 1 ', and causing stops production changes push rod, influence is produced, and is simultaneously also uneconomical.
Summary of the invention
Technical problem to be solved by this invention is customer service deficiency of the prior art and provide a kind of easy bending of push rod or top can avoided in the Iron Mould Coated Sand foundry production disconnected, can satisfy the self-aligning device of swage sand-spraying hole cleaning push rod of Iron Mould Coated Sand casting mechanizing production requirement.
The present invention solves the problems of the technologies described above the technical scheme that adopts: the automatic alignment device of this swage sand-spraying hole cleaning push rod, comprise push rod, it is characterized in that: push rod plate before also including, back push rod plate and spring, push rod plate and back push rod plate be arranged in parallel before described, be provided with pillar between preceding push rod plate and the back push rod plate, bolt passes back push rod plate, pillar and preceding push rod plate are fixed preceding push rod plate and back push rod plate, have a plurality of jogger holes on the preceding push rod plate, be provided with a push rod in each jogger hole, the sand-spraying hole position is corresponding one by one on push rod and the swage, the jogger hole diameter greater than the diameter of push rod main body less than the diameter of push rod afterbody, leave the gap between jogger hole and the push rod, the push rod afterbody is provided with the spring nest, be provided with spring in the spring nest, spring one end is fixed in the spring nest, and the other end contacts with back push rod plate, and the push rod head is conical.Requirement according to the residual sand cleaning of Iron Mould Coated Sand casting swage sand-spraying hole, push rod is installed on the push rod plate, the corresponding sand-spraying hole of each root push rod, and push rod is under the effect of pressure, press to sand-spraying hole, in the process of pressing down, can there be certain floating the position of push rod, like this, when push rod and swage sand-spraying hole have certain deviation, push rod can be aimed at sand-spraying hole automatically, and therefore push rod can not produce crooked or fracture, and final realization is logical with the sand-spraying hole top of swage.
Gap between push rod of the present invention and the jogger hole is 3-7mm.When there is deviation swage sand-spraying hole position and push rod position, and deviation can be adjusted to avoid push rod to become curved automatically during less than the gap between push rod and the jogger hole or fractures.
The conical length of push rod head of the present invention is 2 ~ 3 times of push rod main diameter.The head of push rod is conical, the 2-3 that the length of circular cone is generally the push rod diameter doubly, length is more long, it is just more little that push rod is aimed at required power automatically, the suffered side force of push rod is also more little.
Push rod afterbody of the present invention is round pie, its diameter is greater than the sand-spraying hole diameter, the lower surface of its afterbody cake contacted with preceding push rod plate when push rod was arranged in the jogger hole, have the spring nest on the push rod afterbody cake, be provided with spring in the spring nest, this spring compression back is between back push rod plate and push rod afterbody.The purpose that spring is laid in the push rod top mainly is that push rod can arbitrarily not move for when the push rod cleaning plant is not worked; Guarantee that pin-lift arrangement is depressed when running into the swage sand-spraying hole when the push rod cleaning plant is worked, push rod keeps vertical state, reduces the lateral force of push rod; When there was deviation push rod and swage sand-spraying hole position, under the effect of side force, the lateral force of push rod can be delivered on the spring, produced certain bending at spring, and can not make push rod become curved, guaranteed the service life of push rod.
The present invention compared with prior art has the following advantages: 1, can easily the residual sand of swage sand-spraying hole be cleaned out, satisfy the requirement of Iron Mould Coated Sand Foundry Production in enormous quantities, be conducive to improve production efficiency and the labor productivity of Iron Mould Coated Sand Foundry Production.2, improve the service life of push rod greatly, reduced the maintenance of equipment cost.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2～Fig. 4 is prior art use schematic diagram.
Fig. 5～Fig. 8 is use schematic diagram of the present invention.
The specific embodiment
Referring to Fig. 1, this device comprises: back push rod plate 1, push rod 2, spring 3, pillar 4, preceding push rod plate 5, bolt 6, spring nest 7, jogger hole 8.
Preceding push rod plate 5 and back push rod plate 1 be arranged in parallel, be provided with pillar 4 between preceding push rod plate 5 and the back push rod plate 1, bolt 6 passes back push rod plate 1, pillar 4 and preceding push rod plate 5, and both fix with preceding push rod plate 5 and back push rod plate 1, have a plurality of jogger holes 8 on the preceding push rod plate 5, be provided with a push rod 2 in each jogger hole 8, sand-spraying hole 9 positions are corresponding one by one on push rod 2 and the swage.Jogger hole 8 diameters greater than the diameter of push rod main body 2-1 less than the diameter of push rod afterbody 2-2, leave gap 10 between jogger hole 8 and the push rod 2, push rod afterbody 2-2 is round pie, the lower surface of its afterbody cake contacted with preceding push rod plate 5 when push rod 2 was arranged in the jogger hole 8, have spring nest 7 on the push rod afterbody 2-2 cake, be provided with spring 3 in the spring nest 7, these spring 3 compression backs are between back push rod plate 1 and push rod afterbody 2-2.Push rod head 2-3 is conical, and its length is 2 ~ 3 times of push rod main body 2-1 diameter, and length is more long, and it is just more little that push rod is aimed at required power automatically, and the suffered side force of push rod is also more little.
In the jogger hole 8 of push rod plate 5, push rod 2 had certain clearance 10 with the jogger hole 8 of preceding push rod plate 5 before push rod 2 was placed in, and gap 10 is generally controlled at the 3-7 millimeter.Push rod 2 can move freely in the jogger hole 8 of preceding push rod plate 5, and amount of movement is 2 times of gap value.When the position deviation of the position of the sand-spraying hole 9 of swage and push rod plate push rod 2 is no more than above-mentioned amount of movement, during residual sand, under the effect of pressure, push rod 2 can move push rod 2 automatically in the swage sand-spraying hole of top, aim at sand-spraying hole 9, so just avoided the disconnected situation in push rod 2 bendings or top to occur.
Referring to Fig. 5～Fig. 8, when the cleaning work of swage sand-spraying hole begins, pin-lift arrangement descends, push rod 2 is run into swage sand-spraying hole 9, when there are some deviations the position of the position of swage sand-spraying hole 9 and push rod, sand-spraying hole 9 is inserted in push rod head 2-3 epiconus head position, the epiconus head position of push rod head 2-3 contacts with swage sand-spraying hole 9, under the effect of pressure, produce a side force between circular cone tip inclined-plane and the swage sand-spraying hole 8, along with the decline of pin-lift arrangement, progressively push rod 2 is adjusted the sand-spraying hole 8 of aiming at swage automatically, because between push rod 2 and the jogger hole 8 certain clearance is arranged, so long as in interstice coverage, push rod 2 can be adjusted automatically, aim at sand-spraying hole 9, swage is penetrated sand, and the residual sand in 9 ejects, and push rod 2 can be because of the phenomenon that has deviation to produce the push rod bending or fracture with swage sand-spraying hole 9 positions.The purpose that spring 3 is laid on push rod 2 tops mainly is that push rod 2 can arbitrarily not move for when the push rod cleaning plant is not worked; Guarantee that pin-lift arrangement is depressed when running into swage sand-spraying hole 9 when the push rod cleaning plant is worked, push rod 2 keeps vertical state, reduces the lateral force of push rod 2; When push rod 2 had deviation with swage sand-spraying hole 9 positions, under the effect of side force, the lateral force of push rod 2 can be delivered on the spring 3, produced certain bending at spring 3, and can not make push rod 2 become curved, guaranteed the service life of push rod 2.
Though the present invention with embodiment openly as above; but it is not in order to limit protection scope of the present invention; any technical staff who is familiar with this technology not breaking away from change and the retouching of doing in the spirit and scope of the present invention, all should belong to protection scope of the present invention.
Claims (4)
1. a swage sand-spraying hole is cleared up the self-aligning device of push rod, comprise push rod, it is characterized in that: push rod plate before also including, back push rod plate and spring, push rod plate and back push rod plate be arranged in parallel before described, be provided with pillar between preceding push rod plate and the back push rod plate, bolt passes back push rod plate, pillar and preceding push rod plate are fixed preceding push rod plate and back push rod plate, have a plurality of jogger holes on the preceding push rod plate, be provided with a push rod in each jogger hole, the sand-spraying hole position is corresponding one by one on push rod and the swage, the jogger hole diameter less than the diameter of push rod afterbody, leaves the gap greater than the diameter of push rod main body between jogger hole and the push rod, the push rod afterbody is provided with the spring nest, be provided with spring in the spring nest, spring one end is fixed in the spring nest, and the other end contacts with back push rod plate, and the push rod head is conical.
2. swage sand-spraying hole according to claim 1 is cleared up the self-aligning device of push rod, and it is characterized in that: the gap between described push rod and the jogger hole is 3-7mm.
3. swage sand-spraying hole according to claim 1 is cleared up the self-aligning device of push rod, it is characterized in that: the conical length of described push rod head is 2-3 times of push rod main diameter.
4. swage sand-spraying hole according to claim 1 is cleared up the self-aligning device of push rod, it is characterized in that: described push rod afterbody is round pie, its diameter is greater than the sand-spraying hole diameter, the lower surface of its afterbody cake contacted with preceding push rod plate when push rod was arranged in the jogger hole, have the spring nest on the push rod afterbody cake, be provided with spring in the spring nest, this spring compression back is between back push rod plate and push rod afterbody.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210033709 CN102527949B (en) | 2012-02-15 | 2012-02-15 | Automatic aligning device for iron-type sand shooting hole cleaning ejection rods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210033709 CN102527949B (en) | 2012-02-15 | 2012-02-15 | Automatic aligning device for iron-type sand shooting hole cleaning ejection rods |
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| Publication Number | Publication Date |
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| CN102527949A CN102527949A (en) | 2012-07-04 |
| CN102527949B true CN102527949B (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201210033709 Active CN102527949B (en) | 2012-02-15 | 2012-02-15 | Automatic aligning device for iron-type sand shooting hole cleaning ejection rods |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825159A (en) * | 2012-09-30 | 2012-12-19 | 杭州彼特环保包装有限公司 | Push rod machine device |
| CN106825441B (en) * | 2016-12-25 | 2018-08-03 | 重庆市永川区泰兴机械厂 | For anticlogging interlinked mechanism |
| CN114799086B (en) * | 2022-06-30 | 2022-09-13 | 山西东鑫衡隆机械制造股份有限公司 | Sand shakeout device for reducing residual iron mold sand lining of conical sand shooting hole |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0054731A1 (en) * | 1980-12-20 | 1982-06-30 | Heinrich Wagner Maschinenfabrik GmbH & Co | Method and apparatus for filling a flask with a moulding material |
| JP2000094092A (en) * | 1998-09-17 | 2000-04-04 | Sintokogio Ltd | Method for making mold and apparatus therefor |
| CN1177661C (en) * | 1998-10-28 | 2004-12-01 | 新东工业株式会社 | Method for pressing full molding sand and device for pressing full molding sand |
| CN200942425Y (en) * | 2006-05-24 | 2007-09-05 | 广西玉柴机器股份有限公司 | Positioning decoring device for core shooter |
| CN202461443U (en) * | 2012-02-15 | 2012-10-03 | 浙江省机电设计研究院有限公司 | Automatic mandril alignment device for clean-up of metal core sand shooting hole |
-
2012
- 2012-02-15 CN CN 201210033709 patent/CN102527949B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0054731A1 (en) * | 1980-12-20 | 1982-06-30 | Heinrich Wagner Maschinenfabrik GmbH & Co | Method and apparatus for filling a flask with a moulding material |
| JP2000094092A (en) * | 1998-09-17 | 2000-04-04 | Sintokogio Ltd | Method for making mold and apparatus therefor |
| CN1177661C (en) * | 1998-10-28 | 2004-12-01 | 新东工业株式会社 | Method for pressing full molding sand and device for pressing full molding sand |
| CN200942425Y (en) * | 2006-05-24 | 2007-09-05 | 广西玉柴机器股份有限公司 | Positioning decoring device for core shooter |
| CN202461443U (en) * | 2012-02-15 | 2012-10-03 | 浙江省机电设计研究院有限公司 | Automatic mandril alignment device for clean-up of metal core sand shooting hole |
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| CN102527949A (en) | 2012-07-04 |
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| C53 | Correction of patent for invention or patent application | ||
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Inventor after: Pan Dongjie Inventor after: Xia Xiaojiang Inventor after: Zhu Dan Inventor after: Liu Tongbang Inventor after: Huang Liequn Inventor after: Shen Yonghua Inventor after: Ying Hao Inventor after: Gao Qiang Inventor after: Xue Cunqiu Inventor after: He Zhimei Inventor after: Ma Yicheng Inventor after: Hong Huaze Inventor before: Pan Dongjie Inventor before: Xia Xiaohong Inventor before: Zhu Dan Inventor before: Liu Tongbang Inventor before: Huang Liequn Inventor before: Shen Yonghua Inventor before: Ying Hao Inventor before: Gao Qiang Inventor before: Xue Cunqiu Inventor before: He Zhimei Inventor before: Ma Yicheng Inventor before: Hong Huaze |
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Free format text: CORRECT: INVENTOR; FROM: PAN DONGJIE HUANG LIEQUN SHEN YONGHUA YING HAO GAO QIANG XUE CUNQIU HE ZHIMEI MA YICHENG HONG HUAZE XIA XIAOHONG ZHU DAN LIU TONGBANG TO: PAN DONGJIE HUANG LIEQUN SHEN YONGHUA YING HAO GAO QIANG XUE CUNQIU HE ZHIMEI MA YICHENG HONG HUAZE XIA XIAOJIANG ZHU DAN LIU TONGBANG |
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