CN105436424A - Rotating blowing type knockout head of casting mold - Google Patents
Rotating blowing type knockout head of casting mold Download PDFInfo
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- CN105436424A CN105436424A CN201510891428.4A CN201510891428A CN105436424A CN 105436424 A CN105436424 A CN 105436424A CN 201510891428 A CN201510891428 A CN 201510891428A CN 105436424 A CN105436424 A CN 105436424A
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- fixing base
- plunger tip
- air
- sand
- holder
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Abstract
The invention relates to a rotating blowing type knockout head of a casting mold. The knockout head comprises a fixing base. A lifting air cylinder is arranged on the upper surface of the fixing base. A plurality of ejector cores are arranged on the lower surface of the fixing base and correspond to sand shooting holes in position. The fixing base is of a hollow structure with an inner cavity, an air inlet pipe communicated with the inner cavity of the fixing base is arranged on the upper surface of the fixing base, and the air inlet pipe is provided with an electromagnetic adjusting valve. The ejector cores are connected with the fixing base through installing heads. Each ejector core is of a hollow pipe structure with an air conducting channel, a plurality of vertically-arranged jet flow holes communicated with the air conducting channel of each ejector core are formed in the side wall of each ejector core, and the jet flow holes are obliquely arranged downwards relative to the center axes of the ejector cores. The installing heads are rotationally connected with the fixing base through bearings, and provided with air ventilation cavities communicated with the inner cavity and the air conducting channels. The installing heads are provided with driven gears, and the adjacent installing heads are synchronously connected through engagement of the driven gears. The driven gear at the outermost end of one side is engaged with a drive gear, and the drive gear is connected with a drive motor through a belt.
Description
Technical field
The present invention relates to casting technology field, particularly the Removal Technology of casting mould.
Background technology
At present, a lot of foundry goods all adopts Iron Mould Coated Sand, precoated sand generally adopts phenolic resins, at high operating temperatures will be defeated and dispersed, and the deadweight by sand comes off automatically from mould, but for the sand in the sand-spraying hole of swage mould, rely on deadweight not come off completely, thus also need later stage labor cleaning, therefore labour intensity is larger, production cost also increases thereupon, and manual cleanup has the phenomenon of omission unavoidably.At present, the mechanical type cleaning plant occurred, it adopts plunger tip to insert in sand-spraying hole, sand is come off from mould, this mode needs the contact internal walls of plunger tip and sand-spraying hole, when sand is more, the inner surface of squeezing action to sand-spraying hole of plunger tip causes certain damage, thus affects the normal use of mould.
Summary of the invention
The applicant, for the above-mentioned shortcoming of prior art, carries out studying and improving, and provide a kind of knockout head of rotary blow arc-extinguishing mode casting die, it adopts air blowing type mode, is come off by sand from sand-spraying hole, and its use safety, cleaning effect are good.
In order to solve the problem, the present invention adopts following scheme:
A kind of knockout head of rotary blow arc-extinguishing mode casting die, comprise holder, the upper surface of holder is provided with lift cylinder, its lower surface is provided with many plunger tips, the position of plunger tip is corresponding with the position of sand-spraying hole, described holder is the hollow-core construction with inner chamber, its upper surface is provided with the air inlet pipe with its inner space, air inlet pipe is provided with solenoid valve, the controller of solenoid valve is connected with timing controller, start by set date module is provided with in timing controller, described start by set date module sends signal according to setting-up time to controller, controller controls the aperture of solenoid valve according to the signal received, described plunger tip is rotationally connected by mounting head and holder, plunger tip is the tubular structure with air guide channel, its sidewall is with being communicated with its air guide channel and multiple jet orifices setting up and down, the inclined of the relative plunger tip of jet orifice is arranged downwards, and the spacing between adjacent jets hole increases from top to bottom gradually along plunger tip, the lower end outer wall of described plunger tip is provided with soft erasing cover, and the maximum outside diameter of soft erasing cover is greater than the internal diameter of described sand-spraying hole, described mounting head is rotationally connected by bearing and holder, and it is with the venting cavity of communication with cavity and air guide channel, and the internal diameter of venting cavity is greater than the internal diameter of air guide channel, mounting head is provided with driven gear, and adjacent mounting head is by described driven gear engagement synchronized links, and the driven gear of side outermost end engages with driving gear, and driving gear is connected with drive motors by belt.
Further improvement as technique scheme:
The inner of described jet orifice is with flare.
Described air inlet pipe is can the flexible bellows structure of bending.
Cambered surface is led with what smoothly transit with plunger tip outer wall in the upside of described soft erasing cover.
Technique effect of the present invention is:
The present invention adopts soft-erase and air-flow spray regime to combine to be come off from sand-spraying hole by sand, compare the pushing method of plunger tip, avoid the damage of sand-spraying hole inwall, ensures knockout safety, reliable; The efficiency of spraying shakeout mode have also been obtained and significantly improves, and it is effective; The rotary blowing of plunger tip, blows off to sand comprehensively, can save the number of spray-hole, simplifies its structure; The present invention realizes carrying out gradual blowing to the sand in sand-spraying hole, and compare the removing of constant expulsion pressure, its effect is better, the kicking up in a large number of sand when avoiding directly blowing down with peak injection pressure, finally improves blowing efficiency and effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A place partial enlarged drawing of Fig. 1.
Fig. 3 is the B place partial enlarged drawing of Fig. 1.
In figure: 1, holder; 100, inner chamber; 2, lift cylinder; 3, plunger tip; 30, air guide channel; 31, jet orifice; 32, enlarging; 4, air inlet pipe; 5, mounting head; 50, venting cavity; 6, bearing; 7, driven gear; 8, driving gear; 9, drive motors; 10, belt; 11, solenoid valve; 12, controller; 13, timing controller; 14, soft erasing cover; 40, cambered surface is led.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
Embodiment one:
As shown in Figure 1, the knockout head of the rotary blow arc-extinguishing mode casting die of the present embodiment, comprise holder 1, the upper surface of holder 1 is provided with lift cylinder 2, its lower surface is provided with many plunger tips 3, the position of plunger tip 3 is corresponding with the position of sand-spraying hole, holder 1 is the hollow-core construction with inner chamber 100, its upper surface is provided with the air inlet pipe 4 be communicated with its inner chamber 100, air inlet pipe 4 is provided with solenoid valve 11, the controller 12 of solenoid valve 11 is connected with timing controller 13, start by set date module is provided with in timing controller 13, start by set date module sends signal according to setting-up time to controller 12, controller 12 controls the aperture of solenoid valve 11 according to the signal received, plunger tip 3 is rotationally connected by mounting head 5 and holder 1, plunger tip 3 is the tubular structure with air guide channel 30, its sidewall is communicated with and multiple jet orifices 31 setting up and down with its air guide channel 30, the inclined of the relative plunger tip 3 of jet orifice 31 is arranged downwards, and the spacing between adjacent jets hole 31 increases from top to bottom gradually along plunger tip 3, the lower end outer wall of plunger tip 3 is provided with soft erasing cover 14, and the maximum outside diameter of soft erasing cover 14 is greater than the internal diameter of sand-spraying hole, mounting head 5 is rotationally connected by bearing 6 and holder 1, it is with the venting cavity 50 of communication with cavity 100 with air guide channel 30, the internal diameter of venting cavity 50 is greater than the internal diameter of air guide channel 30, venting cavity 50 transits to air guide channel 30, overall formation one throat structure, increase the air pressure of air guide channel 30, thus increase the injection pressure of jet orifice 31, mounting head 5 is provided with driven gear 7, adjacent mounting head 5 engages synchronized links by driven gear 7, and the driven gear 7 of side outermost end engages with driving gear 8, and driving gear 8 is connected with drive motors 9 by belt 10.
During work, lift cylinder 2 promotes plunger tip 3 and stretches in sand-spraying hole, and the sand in soft erasing cover 14 pairs of sand-spraying holes is tentatively removed; Air inlet pipe 4 is connected with air pump, in holder 1, import high pressure draught, and air-flow is spouting from jet orifice 31 after air guide channel 30, sprays into in sand-spraying hole, sand punching is wherein fallen.Drive motors 9 drives driven gear 7 to rotate by driving gear 8, thus drives each plunger tip 3 to rotate, and realizes rotating blowing, and blows down sand comprehensively.Timing control module is provided with in timing controller 13, with many grades of times in described timing control module, as third gear is set: gear interval time is 3 seconds, namely often sent a signal through 3 seconds to controller 12, after controller 12 receives signal, the aperture of solenoid valve 11 is regulated once; After three times regulate, the aperture of solenoid valve 11 is maximum; Thus realize carrying out gradual change type adjustment to the air pressure in inner chamber 100, final realization carries out gradual blowing to the sand in sand-spraying hole.Compare the removing of constant expulsion pressure, its effect is better, the kicking up in a large number of sand when avoiding directly blowing down with peak injection pressure, finally improves blowing efficiency and effect.
Embodiment two:
As shown in Figure 1 and Figure 2, the knockout head of the rotary blow arc-extinguishing mode casting die of the present embodiment, the improvement comparing embodiment one is, the inner of jet orifice 31 is with flare 32.Enlarging 32 horn-like, is beneficial to air-flow and enters jet orifice 31, reduces injection resistance.
Embodiment three:
As shown in Figure 1, the knockout head of the rotary blow arc-extinguishing mode casting die of the present embodiment, the improvement comparing embodiment one is, air inlet pipe 4 is can the flexible bellows structure of bending.Air inlet pipe 4 is connected with tracheae, and bending that can be suitable is stretched, and facilitates tracheae to install.
Embodiment four:
As shown in Figure 3, the air blowing type knockout head of the casting mould of the present embodiment, the improvement comparing embodiment one is, cambered surface 140 is led with what smoothly transit with plunger tip 3 outer wall in the upside of soft erasing cover 14, leads cambered surface 140 and smoothly transits, avoid accumulating sand.
Above illustrated embodiment is better embodiment of the present invention, only be used for conveniently the present invention being described, not any pro forma restriction is done to the present invention, have in any art and usually know the knowledgeable, if do not depart from the present invention carry in the scope of technical characteristic, utilize the Equivalent embodiments that the done local of disclosed technology contents is changed or modified, and do not depart from technical characteristic content of the present invention, all still belong in the scope of the technology of the present invention feature.
Claims (4)
1. the knockout head of a rotary blow arc-extinguishing mode casting die, comprise holder (1), the upper surface of holder (1) is provided with lift cylinder (2), its lower surface is provided with many plunger tips (3), the position of plunger tip (3) is corresponding with the position of sand-spraying hole, it is characterized in that: described holder (1) is the hollow-core construction with inner chamber (100), its upper surface is provided with the air inlet pipe (4) be communicated with its inner chamber (100), air inlet pipe (4) is provided with solenoid valve (11), the controller (12) of solenoid valve (11) is connected with timing controller (13), timing controller is provided with start by set date module in (13), described start by set date module sends signal according to setting-up time to controller (12), controller (12) controls the aperture of solenoid valve (11) according to the signal received, described plunger tip (3) is rotationally connected by mounting head (5) and holder (1), plunger tip (3) is the tubular structure with air guide channel (30), its sidewall is with being communicated with its air guide channel (30) and multiple jet orifices (31) setting up and down, the inclined of the relative plunger tip (3) of jet orifice (31) is arranged downwards, and the spacing between adjacent jets hole (31) increases from top to bottom gradually along plunger tip (3), the lower end outer wall of described plunger tip (3) is provided with soft erasing cover (14), and the maximum outside diameter of soft erasing cover (14) is greater than the internal diameter of described sand-spraying hole, described mounting head (5) is rotationally connected by bearing (6) and holder (1), it is with the venting cavity (50) of communication with cavity (100) with air guide channel (30), and the internal diameter of venting cavity (50) is greater than the internal diameter of air guide channel (30), mounting head (5) is provided with driven gear (7), adjacent mounting head (5) is by described driven gear (7) engagement synchronized links, the driven gear (7) of side outermost end engages with driving gear (8), and driving gear (8) is connected with drive motors (9) by belt (10).
2. according to the knockout head of rotary blow arc-extinguishing mode casting die according to claim 1, it is characterized in that: the inner of described jet orifice (31) is with flare (32).
3. according to the knockout head of rotary blow arc-extinguishing mode casting die according to claim 1, it is characterized in that: described air inlet pipe (4) is can the flexible bellows structure of bending.
4. according to the air blowing knockout head of mold according to claim 1, it is characterized in that: cambered surface (140) is led with what smoothly transit with plunger tip (3) outer wall in the upside of described soft erasing cover (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510891428.4A CN105436424A (en) | 2015-11-29 | 2015-11-29 | Rotating blowing type knockout head of casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510891428.4A CN105436424A (en) | 2015-11-29 | 2015-11-29 | Rotating blowing type knockout head of casting mold |
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| Publication Number | Publication Date |
|---|---|
| CN105436424A true CN105436424A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510891428.4A Pending CN105436424A (en) | 2015-11-29 | 2015-11-29 | Rotating blowing type knockout head of casting mold |
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| CN (1) | CN105436424A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58119436A (en) * | 1982-01-08 | 1983-07-15 | Sintokogio Ltd | Molding method of gas hardened casting mold |
| JP2007275927A (en) * | 2006-04-06 | 2007-10-25 | Komatsu Igata Seisakusho:Kk | Apparatus and method for molding shell-mold |
| CN201906796U (en) * | 2010-12-20 | 2011-07-27 | 东风汽车股份有限公司 | Lifting type porous casting air hole cleaning device |
| CN201979046U (en) * | 2011-03-23 | 2011-09-21 | 苏州明志科技有限公司 | Jet nozzle cleaning mechanism |
| CN102528005A (en) * | 2012-02-15 | 2012-07-04 | 浙江省机电设计研究院有限公司 | Device and method for cleaning iron mold in sand faced iron mold casting production |
| CN203695925U (en) * | 2013-12-27 | 2014-07-09 | 浙江省机电设计研究院有限公司 | Cleaning device for iron sand-shooting holes with vibration function |
| CN104209470A (en) * | 2014-08-20 | 2014-12-17 | 安徽新宁装备股份有限公司 | Automatic blowing machine before casting |
| CN204799901U (en) * | 2015-07-18 | 2015-11-25 | 台州市陈氏铜业有限公司 | Automatic get core shooting machine of material |
| CN205165768U (en) * | 2015-11-29 | 2016-04-20 | 无锡市鑫茂锻造有限公司 | Knockout head of rotation type air -blowing type casting mould |
-
2015
- 2015-11-29 CN CN201510891428.4A patent/CN105436424A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58119436A (en) * | 1982-01-08 | 1983-07-15 | Sintokogio Ltd | Molding method of gas hardened casting mold |
| JP2007275927A (en) * | 2006-04-06 | 2007-10-25 | Komatsu Igata Seisakusho:Kk | Apparatus and method for molding shell-mold |
| CN201906796U (en) * | 2010-12-20 | 2011-07-27 | 东风汽车股份有限公司 | Lifting type porous casting air hole cleaning device |
| CN201979046U (en) * | 2011-03-23 | 2011-09-21 | 苏州明志科技有限公司 | Jet nozzle cleaning mechanism |
| CN102528005A (en) * | 2012-02-15 | 2012-07-04 | 浙江省机电设计研究院有限公司 | Device and method for cleaning iron mold in sand faced iron mold casting production |
| CN203695925U (en) * | 2013-12-27 | 2014-07-09 | 浙江省机电设计研究院有限公司 | Cleaning device for iron sand-shooting holes with vibration function |
| CN104209470A (en) * | 2014-08-20 | 2014-12-17 | 安徽新宁装备股份有限公司 | Automatic blowing machine before casting |
| CN204799901U (en) * | 2015-07-18 | 2015-11-25 | 台州市陈氏铜业有限公司 | Automatic get core shooting machine of material |
| CN205165768U (en) * | 2015-11-29 | 2016-04-20 | 无锡市鑫茂锻造有限公司 | Knockout head of rotation type air -blowing type casting mould |
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| PB01 | Publication | ||
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Application publication date: 20160330 |