CN203003070U - Automatic core ejecting device of core making machine - Google Patents
Automatic core ejecting device of core making machine Download PDFInfo
- Publication number
- CN203003070U CN203003070U CN 201220750638 CN201220750638U CN203003070U CN 203003070 U CN203003070 U CN 203003070U CN 201220750638 CN201220750638 CN 201220750638 CN 201220750638 U CN201220750638 U CN 201220750638U CN 203003070 U CN203003070 U CN 203003070U
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- CN
- China
- Prior art keywords
- core
- plunger tip
- guide rod
- return guide
- return
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model belongs to the technical field of tool design in casting enterprises, and mainly relates to an automatic core ejecting device of a core making machine, which comprises a pressing plate and a core ejecting plate which are arranged in parallel, the pressing plate is provided with at least two first return guide rod holes and at least one first core rod hole, the core plate is provided with a second return guide rod hole corresponding to the first return guide rod hole, the core ejecting plate is also provided with a second core ejecting rod hole corresponding to the first core ejecting rod hole, a return guide rod is arranged in the first return guide rod hole and the second return guide rod hole, a core ejecting rod is arranged in the first core ejecting rod hole and the second core ejecting rod hole, a pressing boss is arranged on the return guide rod, a return boss is arranged on the core ejecting rod and is located on one side of the core ejecting plate, the pressing boss is located on the other side of the core ejecting plate, a spring is sleeved at one end of the core ejecting rod, and the spring is pressed between the return boss and the pressing plate. The utility model discloses avoided setting up the top core device alone outside the core box of core making machine, practiced thrift the mould space, reduced manufacturing cost.
Description
Technical field
The utility model belongs to the Fixture Design technical field in foundry enterprise, relates generally to the automatic core ejecting device of core making machine.
Background technology
At present, the core ejection mechanism that core making machine self does not match, prior art generally when the left and right core box was opened, got plug core be fixed on base by utilization, and then the artificial hand-held plug of getting takes out core.During this Fixture Design structure core larger in the production cross section, because sand core strength is better, still can take out smoothly.But during less core, typical in the cylinder-body oil duct core, smallest cross-sectional reaches ∮ 15mm in the production cross section, because elongated sand core strength is inadequate, only depend on the strength of getting plug to be difficult to overcome core box frictional force, very easily cause the core fracture, defect rate is high, and production efficiency is low.
Summary of the invention
The purpose of this utility model is the automatic core ejecting device of getting core, core making machine that production efficiency is high in order to overcome defects, to provide a kind of plunger tip automatically to complete smoothly.
to achieve these goals, the automatic core ejecting device of a kind of core making machine of the utility model design, comprise the pressing plate and the plunger tip plate that be arranged in parallel, and at least two return guide rod and at least one plunger tip bars that are provided with the return boss that are equipped with the compression boss, described pressing plate is provided with at least two the first return guide rod holes and at least one the first plunger tip bar hole, described plunger tip plate is provided with the second return guide rod hole corresponding with the first return guide rod hole, also be provided with corresponding with the first plunger tip bar hole the second plunger tip bar hole on described plunger tip plate, described return guide rod is positioned at the first return guide rod hole and the second return guide rod hole, described plunger tip bar is positioned at the first plunger tip bar hole and the second plunger tip bar hole, described compression boss is positioned at a side of plunger tip plate, described return boss is positioned at the opposite side of plunger tip plate, one end of described plunger tip bar is set with spring, described spring compression is between return boss and pressing plate.
In technique scheme, described the second return guide rod hole one end is along being circumferentially with and the compressed grooves that compresses boss and match, and described the second plunger tip bar hole one end is along being circumferentially with the return groove that matches with the return boss.
In technique scheme, the length of described return guide rod is greater than the length of plunger tip bar.
In technique scheme, described pressing plate two ends are respectively equipped with installation screw.
the utility model utilizes the power that automatically replies of Compress Spring, drive plunger tip plate moves to the direction of core, return groove on the plunger tip plate coordinates with the return boss, driving the plunger tip bar moves, the core box of core from core making machine ejected, accelerate the speed that core ejects, easy to use, avoided arranging separately core ejecting device outside the core box of core making machine, saved die space, reduced production cost, and adopt this core ejecting device can realize the automation that core ejects from core box, need not manually-operated, save manpower, enhance productivity, particularly plunger tip is more convenient for the larger core of volume, can satisfy the requirement of modern production.
Description of drawings
Fig. 1 is structural representation of the present utility model and uses state reference map;
Fig. 2 is the local structure for amplifying schematic diagram in A place in Fig. 1;
Fig. 3 is the local structure for amplifying schematic diagram in B place in Fig. 1;
Fig. 4 is that the utility model uses state reference map;
In figure: 1-pressing plate (1.1-the first return guide rod hole; 1.2-the first plunger tip bar hole); 2-plunger tip plate (2.1-the second return guide rod hole; 2.1.1-compressed grooves; 2.2-the second plunger tip bar hole; 2.2.1-the return groove); 3-return guide rod (3.1-compresses boss); 4-plunger tip bar (4.1-return boss); The 5-spring; The 6-installation screw; The left core box of 7-; The right core box of 8-; The 9-cylinder; The 10-core; 11-gets plug.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
as Fig. 1, Fig. 2 and shown in Figure 3, the automatic core ejecting device of core making machine comprises pressing plate 1 and the plunger tip plate 2 that be arranged in parallel, and at least two return guide rod 3 and at least one plunger tip bars 4 that are provided with return boss 4.1 that are equipped with compression boss 3.1, pressing plate 1 is provided with at least two the first return guide rod holes 1.1 and at least one the first plunger tip bar hole 1.2, plunger tip plate 2 is provided with the second return guide rod hole 2.1 corresponding with the first return guide rod hole 1.1, also be provided with corresponding with the first plunger tip bar hole 1.2 the second plunger tip bar hole 2.2 on plunger tip plate 2, return guide rod 3 is positioned at the first return guide rod hole 1.1 and the second return guide rod hole 2.1, plunger tip bar 4 is positioned at the first plunger tip bar hole 1.2 and the second plunger tip bar hole 2.2, compress the side that boss 3.1 is positioned at plunger tip plate 2, return boss 4.1 is positioned at the opposite side of plunger tip plate 2, one end of plunger tip bar 4 is set with spring 5, spring 5 is pressed between return boss 4.1 and pressing plate 1.The second return guide rod hole 2.1 1 ends are along being circumferentially with and the compressed grooves 2.1.1 that compresses boss 3.1 and match, and the second plunger tip bar hole 2.2 1 ends are along being circumferentially with the return groove 2.2.1 that matches with return boss 4.1.Pressing plate 1 two ends are respectively equipped with installation screw 6.
During use, as shown in Figure 4, offer mounting groove and supply the hole of return guide rod 3 and 4 axially-movables of plunger tip bar at the left core box 7 of core making machine and the relevant position symmetry of left core box 8, plunger tip plate 2 and the pressing plate 1 of two cover the utility model devices are arranged on respectively in the mounting groove of offering on left core box 7 and left core box 8, with screw, two pressing plates 1 are separately fixed on left core box 7 and left core box 8, return guide rod 3 and plunger tip bar 4 are arranged in the hole, two plunger tip plates 2 arrange in opposite directions, and keep on every block of plunger tip plate 2 corresponding plunger tip bar 4 axial lines point-blank.
When left core box 7 and left core box 8 closure, two return guide rods that arrange in opposite directions 3 reclaim and enter in pressing plate 1, and the length of return guide rod 3 is greater than the length of plunger tip bar 4, and the compression boss 3.1 on return guide rod 3 drives plunger tip plate 2 and reclaims mobile, holddown spring 5 is for plunger tip is prepared; During plunger tip, cylinder 9 on left core box 7 and left core box 8 moves simultaneously, respectively with left core box 7 and left core box 8 to left and right-hand pulling open, compacted spring 5 drive plunger tip plates 2 move to the direction of core 10, compressed grooves 2.1.1 on plunger tip plate 2 drives plunger tip bar 4 and moves, core 10 is separated with left core box 8 with left core box 7, utilize and get plug 11 with the core taking-up, guaranteed the integrality of core 10.The utility model has reduced the disconnected core percent defective of core 10, has improved production efficiency.
Claims (5)
1. the automatic core ejecting device of a core making machine, it is characterized in that: comprise the pressing plate (1) and the plunger tip plate (2) that be arranged in parallel, and at least two return guide rod (3) and at least one plunger tip bars (4) that are provided with return boss (4.1) that are equipped with compression boss (3.1), described pressing plate (1) is provided with at least two the first return guide rod holes (1.1) and at least one the first plunger tip bar hole (1.2), described plunger tip plate (2) is provided with the second return guide rod hole (2.1) corresponding with the first return guide rod hole (1.1), also be provided with the second plunger tip bar hole (2.2) corresponding with the first plunger tip bar hole (1.2) on described plunger tip plate (2), described return guide rod (3) is positioned at the first return guide rod hole (1.1) and the second return guide rod hole (2.1), described plunger tip bar (4) is positioned at the first plunger tip bar hole (1.2) and the second plunger tip bar hole (2.2), described compression boss (3.1) is positioned at a side of plunger tip plate (2), described return boss (4.1) is positioned at the opposite side of plunger tip plate (2), one end of described plunger tip bar (4) is set with spring (5), described spring (5) is pressed between return boss (4.1) and pressing plate (1).
2. the automatic core ejecting device of core making machine according to claim 1, it is characterized in that: described the second return guide rod hole (2.1) one ends are along being circumferentially with and the compressed grooves (2.1.1) that compresses boss (3.1) and match, and described the second plunger tip bar hole (2.2) one ends are along being circumferentially with the return groove (2.2.1) that matches with return boss (4.1).
3. the automatic core ejecting device of core making machine according to claim 1 and 2, it is characterized in that: the length of described return guide rod (3) is greater than the length of plunger tip bar (4).
4. the automatic core ejecting device of core making machine according to claim 1 and 2 is characterized in that: described pressing plate (1) two ends are respectively equipped with installation screw (6).
5. the automatic core ejecting device of core making machine according to claim 3 is characterized in that: described pressing plate (1) two ends are respectively equipped with installation screw (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220750638 CN203003070U (en) | 2012-12-31 | 2012-12-31 | Automatic core ejecting device of core making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220750638 CN203003070U (en) | 2012-12-31 | 2012-12-31 | Automatic core ejecting device of core making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203003070U true CN203003070U (en) | 2013-06-19 |
Family
ID=48594703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220750638 Withdrawn - After Issue CN203003070U (en) | 2012-12-31 | 2012-12-31 | Automatic core ejecting device of core making machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203003070U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056301A (en) * | 2012-12-31 | 2013-04-24 | 东风汽车股份有限公司 | Automatic core ejecting device of core making machine |
| CN104439091A (en) * | 2014-12-16 | 2015-03-25 | 苏州市通润机械铸造有限公司 | Manufacturing mold for ultrathin sand-core structure |
| CN114472814A (en) * | 2022-01-21 | 2022-05-13 | 东风汽车股份有限公司 | Floating sleeve for improving automatic matching precision of mold and mounting structure of floating sleeve and top core plate |
-
2012
- 2012-12-31 CN CN 201220750638 patent/CN203003070U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056301A (en) * | 2012-12-31 | 2013-04-24 | 东风汽车股份有限公司 | Automatic core ejecting device of core making machine |
| CN104439091A (en) * | 2014-12-16 | 2015-03-25 | 苏州市通润机械铸造有限公司 | Manufacturing mold for ultrathin sand-core structure |
| CN104439091B (en) * | 2014-12-16 | 2017-01-25 | 苏州市通润机械铸造有限公司 | Manufacturing mold for ultrathin sand-core structure |
| CN114472814A (en) * | 2022-01-21 | 2022-05-13 | 东风汽车股份有限公司 | Floating sleeve for improving automatic matching precision of mold and mounting structure of floating sleeve and top core plate |
| CN114472814B (en) * | 2022-01-21 | 2024-01-05 | 东风汽车股份有限公司 | Floating sleeve for improving automatic matching precision of die and mounting structure of floating sleeve and top core plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20150325 |
|
| RGAV | Abandon patent right to avoid regrant |