CN103223461A - Upward ejection core rod with characteristic of easy replacement - Google Patents
Upward ejection core rod with characteristic of easy replacement Download PDFInfo
- Publication number
- CN103223461A CN103223461A CN2013101241829A CN201310124182A CN103223461A CN 103223461 A CN103223461 A CN 103223461A CN 2013101241829 A CN2013101241829 A CN 2013101241829A CN 201310124182 A CN201310124182 A CN 201310124182A CN 103223461 A CN103223461 A CN 103223461A
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- Prior art keywords
- rod
- upward ejection
- ejection core
- core rod
- core
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Abstract
The present invention relates to an upward ejection core rod, particularly to an upward ejection core rod for a cold core box mold, wherein the upward ejection core rod has a characteristic of easy replacement. The upward ejection core rod comprises a rod body, wherein both sides of the rod body are processed with external threads, the left end of the rod body and a screw cap form a threaded connection, a string washer is arranged between the screw cap and the rod body, and the right end of the rod body and a nylon rod form a threaded connection. According to the upward ejection core rod, both ends of the upward ejection core rod are additionally provided with the screw cap and the nylon rod, the nylon rod is placed in a easy-wear position, and threaded connection fastening is adopted, such that a fault rate of the upward ejection core rod is substantially reduced, a service life of the core box is prolonged, replacement operation is simple after the nylon rod wears, and a time is saved; and the screw cap is adopted to arrange the upward ejection core rod on the upward ejection core plate so as to solve the problem of easy falling of the upward ejection core rod, such that core box damage caused by the upward ejection core rod due to easy falling can be effectively prevented, a service life of the mold can be prolonged, and core preparation efficiency can be effectively increased.
Description
Technical field
The present invention relates to the plunger tip bar, in particular for the last plunger tip bar of being convenient to change of cold-box mould.
Background technology
China's core foundry industry is greatly developed in recent years, has particularly impelled the high speed development of sand casting industry because the market of automobile market soar all the way in recent years.The main equipment that cold-box is produced as coremaking, its complicate fabrication process, the production cycle is longer.It is not only the vital link of core-making technique outfit of equipment level, realizes the basic assurance of the high-quality and efficient production of sand casting especially.In use there are problems such as easy to wear, that the gap is bigger in the last plunger tip bar of existing cold-box, cause the core burr bigger, thereby increased the core finishing workload, reduced coremaking efficient, and some position leaks easily and repair, repair unclean, will directly have influence on the moulding and the apparent mass of foundry goods, easily come off when going up the online use of plunger tip bar in addition, damage core box, directly have influence on the quality of foundry goods and the service life of mould, can delay production if the scene replaces with the plunger tip bar.Once more, may be subjected to the influence that ageing equipment and employee safeguard, during last plunger tip bar and when too high and low excessively, cause the core depression or give prominence to, thereby increased the core finishing workload, reduce coremaking efficient.May cause foundry goods misrun or fleshiness if leak to repair, if can't polish in the cylinder barrel the inside, soldering, cause percent defective higher, influence economic benefit of enterprises.
Summary of the invention
The objective of the invention is to solve the weak point that above-mentioned prior art exists, the last plunger tip bar of being convenient to change that a kind of reasonable in design, not easy to wear, difficult drop-off, cost are low, can prolong die life is provided.
The present invention is achieved by the following technical solutions:
A kind of last plunger tip bar of being convenient to change comprises the body of rod 1, and its special character is that the body of rod 1 both sides are processed with external screw thread 2, and the body of rod 1 left end nut 3 that has been threaded is provided with spring shim 4 between the nut 3 and the body of rod 1, the body of rod 1 right-hand member nylon rod 5 that has been threaded.
The last plunger tip bar that the present invention is convenient to change, be to have set up nut and nylon rod at last plunger tip bar two ends, nylon rod is placed on position easy to wear, thereby with the fastening fault rate that greatly reduces the plunger tip bar that is threaded, prolonged the service life of core box, nylon rod wearing and tearing back is changed simple to operate, save time, to go up the plunger tip bar on last plunger tip plate with nut, just solved the caducous problem of last plunger tip bar, effectively prevent the plunger tip bar and damage core box because easily come off, prolong die life, can effectively improve coremaking efficient, online production can in time be adjusted the height of going up the plunger tip bar by the plus-minus copper sheet, the most important thing is easy to operate, cost is lower, effectively controls the casting wasted product rate that causes because of coremaking.
Description of drawings
Fig. 1: body of rod structural representation of the present invention;
Fig. 2: the last plunger tip bar overall structure schematic diagram that the present invention is convenient to change;
Fig. 3: the last plunger tip bar user mode structural representation that the present invention is convenient to change;
Among the figure: 1, the body of rod, 2, external screw thread, 3, nut, 4, spring shim, 5, nylon rod, 6, go up the plunger tip plate.
The specific embodiment
Below provide the specific embodiment of the present invention with reference to the accompanying drawings, be used for formation of the present invention is described in further detail.
The last plunger tip bar that present embodiment is convenient to change comprises the body of rod 1, and the body of rod 1 both sides are processed with external screw thread 2, and the body of rod 1 left end nut 3 that has been threaded is provided with spring shim 4 between the nut 3 and the body of rod 1, the body of rod 1 right-hand member nylon rod 5 that has been threaded.
At first make plunger tip bar on the irony, two ends are processed with screw thread, are respectively applied for to connect to go up plunger tip plate and nylon rod, with nut last plunger tip bar are fastened on above the plunger tip plate.
The last plunger tip bar that present embodiment is convenient to change, be to have set up nut and nylon rod at last plunger tip bar two ends, nylon rod is placed on position easy to wear, thereby with the fastening fault rate that greatly reduces the plunger tip bar that is threaded, prolonged the service life of core box, nylon rod wearing and tearing back is changed simple to operate, save time, to go up the plunger tip bar on last plunger tip plate with nut, just solved the caducous problem of last plunger tip bar, effectively prevent the plunger tip bar and damage core box because easily come off, prolong die life, can effectively improve coremaking efficient, online production can in time be adjusted the height of going up the plunger tip bar by the plus-minus copper sheet, the most important thing is easy to operate, cost is lower, effectively controls the casting wasted product rate that causes because of coremaking.
The unspecified content of the present invention is prior art, and those skilled in the art can obtain to inspire from present embodiment and prior art, is out of shape to obtain other embodiment.Therefore, protection scope of the present invention should be determined according to the protection domain of claim.
Claims (1)
1. last plunger tip bar of being convenient to change, comprise the body of rod (1), it is characterized in that the body of rod (1) both sides are processed with external screw thread (2), the body of rod (1) the left end nut (3) that has been threaded, be provided with spring shim (4) between the nut (3) and the body of rod (1), the body of rod (1) the right-hand member nylon rod (5) that has been threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101241829A CN103223461A (en) | 2013-04-11 | 2013-04-11 | Upward ejection core rod with characteristic of easy replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101241829A CN103223461A (en) | 2013-04-11 | 2013-04-11 | Upward ejection core rod with characteristic of easy replacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103223461A true CN103223461A (en) | 2013-07-31 |
Family
ID=48834234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101241829A Pending CN103223461A (en) | 2013-04-11 | 2013-04-11 | Upward ejection core rod with characteristic of easy replacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103223461A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736942A (en) * | 2013-12-31 | 2014-04-23 | 广西玉柴机器股份有限公司 | Upper ejector rod component of cold core box |
| CN106623815A (en) * | 2017-02-07 | 2017-05-10 | 佛山市恒学科技服务有限公司 | Adjustable die ejecting device for core shooter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2771486Y (en) * | 2004-12-04 | 2006-04-12 | 重庆宗申技术开发研究有限公司 | Valve acluating device for general petrol engine |
| EP1704945A1 (en) * | 2005-03-23 | 2006-09-27 | ebalta Kunststoff GmbH | Ejectorsystem for moulds |
| CN201524769U (en) * | 2009-11-19 | 2010-07-14 | 天津新伟祥工业有限公司 | Middle housing core box with automatic block drawing device |
| CN201613661U (en) * | 2009-06-09 | 2010-10-27 | 合肥市劲旅环卫设备有限公司 | Vertical guide mechanism |
| CN202725953U (en) * | 2012-08-29 | 2013-02-13 | 东风汽车股份有限公司 | Core box |
-
2013
- 2013-04-11 CN CN2013101241829A patent/CN103223461A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2771486Y (en) * | 2004-12-04 | 2006-04-12 | 重庆宗申技术开发研究有限公司 | Valve acluating device for general petrol engine |
| EP1704945A1 (en) * | 2005-03-23 | 2006-09-27 | ebalta Kunststoff GmbH | Ejectorsystem for moulds |
| CN201613661U (en) * | 2009-06-09 | 2010-10-27 | 合肥市劲旅环卫设备有限公司 | Vertical guide mechanism |
| CN201524769U (en) * | 2009-11-19 | 2010-07-14 | 天津新伟祥工业有限公司 | Middle housing core box with automatic block drawing device |
| CN202725953U (en) * | 2012-08-29 | 2013-02-13 | 东风汽车股份有限公司 | Core box |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736942A (en) * | 2013-12-31 | 2014-04-23 | 广西玉柴机器股份有限公司 | Upper ejector rod component of cold core box |
| CN103736942B (en) * | 2013-12-31 | 2016-04-27 | 广西玉柴机器股份有限公司 | Upper ejector rod component of cold core box |
| CN106623815A (en) * | 2017-02-07 | 2017-05-10 | 佛山市恒学科技服务有限公司 | Adjustable die ejecting device for core shooter |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130731 |