CN1884184A - Earthen flywheel target and method for making same - Google Patents
Earthen flywheel target and method for making same Download PDFInfo
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- CN1884184A CN1884184A CN 200610036324 CN200610036324A CN1884184A CN 1884184 A CN1884184 A CN 1884184A CN 200610036324 CN200610036324 CN 200610036324 CN 200610036324 A CN200610036324 A CN 200610036324A CN 1884184 A CN1884184 A CN 1884184A
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Abstract
The invention discloses a material composition of ceramic flying saucer target and preparing method, which consists of 80-120 clay and 2-10 coal powder. The preparing method comprises the following steps: (1) preparing paste according to certain rate of raw material and water through grinding; (2) sieving the paste; (3) removing most of water in the paste through mud-expelling machine; (4) pugging to prepare mould material through vacuum pugging machine; (5) placing certain quantity of mould in the flying saucer target mould; putting the mould on the chassis; rotating chassis and roller inversely through eccentric roller to roll the mould into flying saucer mould; (6) trimming the flying saucer target; demoulding; (7) sintering the flying saucer target mould in the high-temperature kiln; cooling to obtain ceramic flying saucer target.
Description
Technical field
What the present invention relates to is material compositions of a kind of clay pigeon and preparation method thereof.
Background technology
Clay pigeon shooting, golf ball and tennis are described as the world's three big noble's sports events.Along with the development of world economy and the raising of people's living standard, increasing people puts in the amusement and motion of clay-pigeon shooting.
Widely used clay pigeon is to form for the main raw material processing and fabricating with pitch in the clay-pigeon shooting campaign at present.Because pitch contains aromatic hydrocarbon, the 3.4-benzopyrene is the multiple materials such as multiple carcinogens, itrogenous organic substance and oxygen-bearing organic matter of representative, making and using in the process of clay pigeon, can cause certain harm to HUMAN HEALTH, and this clay pigeon is after the gunslinging fragmentation, a large amount of asphalt stocks are scattered and remain in the earth, can cause severe contamination to environment.
The Chinese patent application 99113081.2 on July 7th, 1999 discloses the clay pigeon that is mixed and made into by 10-15% resinous acid (rosin) and 85-90% calcite in powder.00100371.2 of the Chinese patent application on January 19th, 2000 discloses and has comprised 65～85 weight part base-materials (one or more nonmetal breezes, oyster shell whiting, industrial slag and waste residue), 5～13 weight part tackiness agent, 0.3～2 weight part gypsum, reconditioning dose of 2～6 weight part ratios, 0～1 weight part ferric oxide, the clay pigeon that the composition of 3～6 weight part silicate and 0～3 weight part clay is made, and in embodiment 1, proposed with rosin as tackiness agent.Above-mentioned prior art as main raw, uses rosin as tackiness agent with stone flour or breeze, though overcome pitch target institute inherent defective, also there is following deficiency in it: rosin tackiness agent processing temperature scope is narrow; The clay pigeon long storage time of making can produce cold shortness; The poor heat resistance of clay pigeon, easy deformation in the transportation; The degradation speed of clay pigeon fragment is slow.
For overcoming all deficiencies of the clay pigeon that the rosin tackiness agent caused, the Chinese patent application 02132944.3 on September 17th, 2002 has proposed with IVGP-20, resinous acid and polypropylene composite adhesive and water-ground limestone blending method manufacturing clay pigeon.The modified starch that 03111129.7 of the Chinese patent application on March 6th, 2003 discloses with oxidation is a tackiness agent, the method for cold process processing and fabricating clay pigeon.
But all above-mentioned prior aries that comprise stone flour pitch hybrid target are main raw with stone flour or breeze all, clay pigeon fragment bulk deposition meeting with the passage of time after smashing is exposed and produce a large amount of small stone flour or mineral powder granular, forms the micronic dust and then the severe contamination air that suspend.On December 11st, 2000, also there was this problem in the disclosed clay pigeon of United States Patent (USP) 6715759 B2 of application.
The United States Patent (USP) 5174581 of application on January 15th, 1992 discloses a kind of clay pigeon of being made by sugar, birdseed and water, and its maximum feature is thoroughly biological degradation, but cost is higher.
Summary of the invention
The objective of the invention is the deficiency and the defective that exist at prior art medium pitch target, stone flour pitch hybrid target, stone flour rosin target and stone flour composite adhesive target etc., the earthen flywheel target of a kind of with low cost, environmental protection, preservation convenient transportation is provided.
The present invention solves this technical problem the technical scheme that is adopted, and described earthen flywheel target contains following raw materials according (weight part): 80～120 parts of clays, 2～10 parts of coal dusts.
In according to earthen flywheel target of the present invention, in order to increase the sintering strength of clay pigeon, described raw material also contains 0～10 part kaolin.
In according to earthen flywheel target of the present invention, consider the volumetric shrinkage behind the base of clay pigeons high temperature sintering, described raw material also contains 0～5 part calcium carbonate stone powder.
The making method of this described earthen flywheel target may further comprise the steps:
(1). certain proportion raw material mixing is got compound, add a certain amount of water (weight ratio: compound/water=1/1-3), grind, preparation mud;
(2). gained mud is crossed the 100-400 mesh sieve;
(3). the mud of the gained that sieves places slip drying press to press water, makes water content less than 30% pug;
(4). above-mentioned pug places vacuum deairing machine, gets rid of wherein sand holes and bubble, makes blank;
(5) a certain amount of blank is placed the clay pigeon mould, the centrifugal base of clay pigeons that is rolled into;
(6) with the deburring of gained base of clay pigeons, the demoulding;
(7) base of clay pigeons after the demoulding places on the kiln bed, and in 600-1200 ℃ of high temperature kiln sintering 2-10 hour, cooling promptly obtained the clay pigeon of moulding;
In according to making method of the present invention, described compound/water weight ratio is 1/1.5-2.
In according to making method of the present invention, described mud screen is the 150-250 order.
In according to making method of the present invention, described pug water content is less than 25%.
In according to making method of the present invention, there is breaking groove the inboard of the base of clay pigeons of described centrifugal roll forming.Can control the crumbliness of hitting of clay pigeon finished product by the number of teeth, the degree of depth and the size of regulating breaking groove.
In according to making method of the present invention, described kiln temperature is 700-950 ℃.
In according to making method of the present invention, described sintering time is 3-5 hour.
It is good to make the earthen flywheel target use properties obtain according to aforesaid method, has a smooth flight, and resistance to impact shock is moderate, and when satisfying the required emissive porwer of trap machine, the crumbliness after bullet hits is good, satisfies the quality standard of International Shooting Sport Federation's promulgation fully.All raw materials are taken from natural simultaneously; the water-leach liquor concentration of lead, mercury, cadmium, chromium, nickel etc. satisfies the environmental requirement of the HJ/T 203-2005 " environmental labelling product technical requirements clay pigeon " of State Environmental Protection Administration's promulgation in the ceiling value scope of regulation.
Earthen flywheel target of the present invention is with low cost, and all raw materials are from natural, and environmental protection is pollution-free; Not yielding, preserve convenient transportation; The recyclable utilization of clay pigeon fragment after smashing promptly can be used for the plantation of flowers such as orchid, Flos Caryophylli, rhizoma Gastrodiae, crop through simple crushing and mixing with soil.
Embodiment
Embodiment 1
Proportioning raw materials (weight part): clay: 100 parts; Coal dust: 5 parts.
Making step comprises:
(1). clay is pulverized, crossed scalping to remove stone wherein;
(2). with clay, the coal blending of said ratio and place in the ball mill, add the water of 210 weight parts, ground 3 hours;
(3). gained mud pumps into high-order suction pit;
(4). above-mentioned mud flows into the low level suction pit after 200 mesh sieves were descended in action of gravity;
(5). with pump the mud in the low level suction pit is pumped in the slip drying press;
(6). the slip drying press of band 1.5kW output rating motor is kept 0.85MPa pressure 40 minutes and is removed most of water in the mud with press for extracting juice, makes that the pug water content is 25%;
(7). above-mentioned pug places vacuum deairing machine, gets rid of wherein sand holes and bubble, makes strip cylinder shape blank;
(8). above-mentioned strip cylinder shape blank is manually cut into short strip shape cylinder shape blank, cover the shady and cool place of lucifuge and preserve standby;
(9) short strip shape cylinder shape blank is manually cut into a certain size briquet, and place the clay pigeon gypsum mold, the centrifugal base of clay pigeons that is rolled into;
The described volume that a certain size refers to moulded pottery not yet put in a kiln to bake is slightly greater than the volume of base of clay pigeons.
Described clay pigeon gypsum mold is a ready-formed, and internal diameter is 121mm, and (110 ± 1mm) is definite with the shrinkage rates 1.1 of moulded pottery not yet put in a kiln to bake for the clay pigeon diameter that this inner diameter values is stipulated according to International Shooting Sport Federation.
Described centrifugal roll extrusion is meant: the clay pigeon gypsum mold that will fill moulded pottery not yet put in a kiln to bake is placed on the centrifugal roller press fixed base disk, start centrifugal roller press, base disk can drive gypsum mold and rotate together, roller-head on the centrifugal roller press is counter-rotation then, slowly move down in the time of the roller-head counter-rotation and near gypsum mold, promptly stop to move down after reaching a determining deviation, this moment, moulded pottery not yet put in a kiln to bake formed base of clay pigeons under the roll extrusion of roller-head.Can make the wall thickness uniformity of target base by centrifugal roll extrusion technology, thereby guarantee the in-flight stability of clay pigeon finished product.The external diameter of described roller-head is a fixed value, by changing the quality that this value can be controlled the internal diameter of clay pigeon finished product and then regulate and control the clay pigeon finished product to a great extent.Spacing between roller-head and the gypsum mold is adjustable, makes it in 105 ± 5g of International Shooting Sport Federation's regulation by regulating the quality that this spacing can control the thickness on clay pigeon roof and then further regulate and control the clay pigeon finished product.
(10) utilize hand punch at the inboard breaking groove that forms of base of clay pigeons;
Described breaking groove is 18 teeth, can be by regulating the degree of depth of the spacing control breaking groove between plaster mold and the drift.
(11) with after the deburring of gained base of clay pigeons, place the physical environment demoulding;
(12) base of clay pigeons after the demoulding places on the kiln bed, and sintering is 5 hours in 700 ℃ of high temperature kilns, naturally cools to room temperature again, promptly obtains the clay pigeon of moulding;
(13) above-mentioned clay pigeon is weighed obtain qualified clay pigeon.
Embodiment 2
Proportioning raw materials (weight part): clay: 95 parts; Coal dust: 10 parts; Kaolin: 5 parts.
Making step comprises:
(1). clay is pulverized, crossed scalping to remove stone wherein;
(2). with clay, coal dust and the kaolin mixing of said ratio and place in the ball mill, add the water of 165 weight parts, ground 4 hours;
(3). gained mud pumps into high-order suction pit;
(4). above-mentioned mud flows into the low level suction pit after 250 mesh sieves were descended in action of gravity;
(5). with pump the mud in the low level suction pit is pumped in the slip drying press;
(6). the slip drying press of band 1.5kW output rating motor is kept 0.85MPa pressure 60 minutes and is removed most of water in the mud with press for extracting juice, makes that the pug water content is 20%;
(7). above-mentioned pug places vacuum deairing machine, gets rid of wherein sand holes and bubble, makes strip cylinder shape blank;
(8). above-mentioned strip cylinder shape blank cut mechanically is become a certain size briquet, and place the clay pigeon gypsum mold, the centrifugal base of clay pigeons that is rolled into;
Described clay pigeon gypsum mold is a ready-formed, and internal diameter is 119mm, and (110 ± 1mm) is definite with the shrinkage rates 1.08 of moulded pottery not yet put in a kiln to bake for the clay pigeon diameter that this inner diameter values is stipulated according to International Shooting Sport Federation.
(9) utilize mechanical press at the inboard 24 tooth breaking grooves that form of base of clay pigeons;
(8), and place the drying shed demoulding with the deburring of gained base of clay pigeons;
(9) base of clay pigeons after the demoulding places on the kiln bed, and sintering is 3 hours in 900 ℃ of high temperature kilns, naturally cools to room temperature again, promptly obtains the clay pigeon of moulding;
(10) above-mentioned clay pigeon is weighed obtain qualified clay pigeon.
Claims (10)
1. clay pigeon, it is characterized in that: described clay pigeon contains the raw material of following weight part: 80～120 parts of clays, 2～10 parts of coal dusts.
2. clay pigeon according to claim 1 is characterized in that: described raw material also contains the kaolin of 0～10 weight part.
3. clay pigeon according to claim 1 and 2 is characterized in that: described raw material also contains the calcium carbonate stone powder of 0～5 weight part.
4. method of making the described clay pigeon of claim 1 is characterized in that: said method comprising the steps of:
(1). with certain proportion raw material mix compound, add with the compound weight ratio be 1: the water of 1-3, grind preparation mud;
(2). gained mud is crossed the 80-400 mesh sieve;
(3). the mud of the gained that sieves places slip drying press to press water, makes water content less than 30% pug;
(4). above-mentioned pug is placed vacuum deairing machine, get rid of sand holes and bubble in the pug, make blank;
(5) a certain amount of blank is placed the clay pigeon mould, utilize the base disk of centrifugal roller press and the backward rotation of roller-head that blank is rolled into base of clay pigeons;
(6) gained base of clay pigeons deburring, the demoulding;
(7) base of clay pigeons after the demoulding places on the kiln bed, and in 600-1200 ℃ of high temperature kiln sintering 2-10 hour, cooling promptly obtained the clay pigeon of moulding.
5. making method according to claim 4 is characterized in that: the weight ratio of described compound/water is 1/1.5-2.
6. making method according to claim 4 is characterized in that: described mud screen is the 150-250 order.
7. making method according to claim 4 is characterized in that: described pug water content is less than 25%.
8. making method according to claim 4 is characterized in that: the spacing between the internal diameter of described clay pigeon mould, the external diameter of described roller-head and mould and the roller-head is determined according to the shrinkage rates of clay pigeon quality standard and moulded pottery not yet put in a kiln to bake.
9. making method according to claim 4 is characterized in that: the base of clay pigeons of described centrifugal roll forming can with punch press within it side form breaking groove.
10. making method according to claim 4 is characterized in that: described kiln temperature is 700-950 ℃, and sintering time is 3-5 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610036324 CN1884184A (en) | 2006-06-26 | 2006-06-26 | Earthen flywheel target and method for making same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610036324 CN1884184A (en) | 2006-06-26 | 2006-06-26 | Earthen flywheel target and method for making same |
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| Publication Number | Publication Date |
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| CN1884184A true CN1884184A (en) | 2006-12-27 |
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| CN 200610036324 Pending CN1884184A (en) | 2006-06-26 | 2006-06-26 | Earthen flywheel target and method for making same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106220133A (en) * | 2016-06-29 | 2016-12-14 | 江苏宣渝体育用品科技有限公司 | Earthen flywheel target and preparation method |
| CN106867265A (en) * | 2015-12-14 | 2017-06-20 | 常州市豪迪体育用品有限公司 | A kind of environment-friendly type flying saucer target for shooting |
-
2006
- 2006-06-26 CN CN 200610036324 patent/CN1884184A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106867265A (en) * | 2015-12-14 | 2017-06-20 | 常州市豪迪体育用品有限公司 | A kind of environment-friendly type flying saucer target for shooting |
| CN106220133A (en) * | 2016-06-29 | 2016-12-14 | 江苏宣渝体育用品科技有限公司 | Earthen flywheel target and preparation method |
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Open date: 20061227 |