CN204308714U - A kind of ceramic valve ball processing unit (plant) - Google Patents
A kind of ceramic valve ball processing unit (plant) Download PDFInfo
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- CN204308714U CN204308714U CN201420730301.5U CN201420730301U CN204308714U CN 204308714 U CN204308714 U CN 204308714U CN 201420730301 U CN201420730301 U CN 201420730301U CN 204308714 U CN204308714 U CN 204308714U
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Abstract
The utility model discloses a kind of ceramic valve ball processing unit (plant), it comprises one for the ceramic valve ball fixation kit and of fixing ceramic valve ball for carrying out the toolbox of ceramic valve ball Surface Machining, that ceramic valve ball fixation kit comprises rotating of being oppositely arranged and two fixed pedestals that can move forward and backward, between two fixed pedestals, be movably equipped with one ceramic valve ball is placed thereon and fixes the fixture of this ceramic valve ball, on a wherein fixed pedestal, corresponding described fixture is provided with one and this fixture is fixed on and screws block between two fixed pedestals, described toolbox comprises one can the cutter firm banking of XYZ tri-axle feeding, cutter firm banking is provided with a rotatable tool fitting towards described fixture, on tool fitting, corresponding described fixture is provided with skive.The utility model product depth of cut is large, and feed speed is very fast, and cutting force is high, and can carry out the Surface Machining of zirconia ceramics valve ball expeditiously, sphere crudy is reliable and stable.
Description
Technical field
The utility model relates to ceramic manufacture field, particularly a kind of ceramic valve ball processing unit (plant).
Background technology
The various goods that pottery is is the material that primary raw material is mixing, shaping through pulverizing and calcining is obtained with natural clay and various natural minerals.People were called pottery the article of high-temperature firing in special kiln be made into potter's clay in the past, and pottery is the general name of pottery and porcelain.
Along with the development of society, ceramic is industrial or in life all more and more welcome.Zirconia ceramics has high strength, high rigidity, high rigidity, than great, high wear resistance, acid-fast alkali-proof is corrosion-resistant, good insulating is non-conductive and the excellent properties such as pollution-free, be the preferred material manufacturing the products such as all kinds of high technology ceramics valve ball, sand milling device at present, be widely used in the fields such as petrochemical industry, electronics, civilian consumption Stupalox.But zirconia ceramics ball hardness is high, be only second to diamond, make the difficulty of processing of zirconia spheroid very large, the process-cycle longer and size of product and the control difficulty of precision larger.Because the crudy on zirconia ceramics ball surface and the precision after processing have material impact the service life to product, traditional processing technology is carried out the processing on zirconia ceramics ball surface, but there is more defect in such processing method, its depth of cut can not be large, feed speed is comparatively slow, and cutting force is not high, thus the efficiency of Surface Machining is not high, waste time and energy, the sphere roughness after processing is difficult to reach technical standard.
Utility model content
The purpose of this utility model is, one is provided to provide a kind of ceramic valve ball processing unit (plant), its depth of cut is large, feed speed is very fast, cutting force is high, and can carry out the Surface Machining of zirconia ceramics valve ball expeditiously, sphere crudy is reliable and stable, reduce the production cost of enterprise, enhance competitiveness.
The technical scheme that the utility model is adopted for achieving the above object is:
A kind of ceramic valve ball processing unit (plant), it comprises one for the ceramic valve ball fixation kit and of fixing ceramic valve ball for carrying out the toolbox of ceramic valve ball Surface Machining, that ceramic valve ball fixation kit comprises rotating of being oppositely arranged and two fixed pedestals that can move forward and backward, between two fixed pedestals, be movably equipped with one ceramic valve ball is placed thereon and fixes the fixture of this ceramic valve ball, on a wherein fixed pedestal, corresponding described fixture is provided with one and this fixture is fixed on and screws block between two fixed pedestals, described toolbox comprises one can the cutter firm banking of XYZ tri-axle feeding, this cutter firm banking is provided with a rotatable tool fitting towards described fixture, on this tool fitting, corresponding described fixture is provided with skive.
Described skive is electroplating abrasion wheel, this electroplating abrasion wheel comprises the cutter hub of a cylindrical shape, extreme direction is gradually little backward by its front end for the internal diameter of this cutter hub, front inner wall in this cutter hub is provided with diamond grit, the front end face of this cutter hub is provided with cooling fluid flow-guiding mouth, the rear end of this cutter hub is provided with installing plate, and this installing plate is provided with installing hole.
Described skive is resin Carborundum wheel, and this resin diamond grinding wheel comprises the cutter hub of a cylindrical shape, and the front end face of this cutter hub is provided with diamond grit, and the rear end of this cutter hub is provided with installing plate, and this installing plate is provided with installing hole.
Described fixture comprises mandrel, the elastic jacket of energy circumferential expansion or contraction, circular gradient block and latch segment, these mandrel both ends of the surface are provided with the locating hole matched with this fixed pedestal, described elastic jacket is placed on this mandrel, in the two ends of this elastic jacket toward third side to being evenly provided with some strip breach, the centre bore two ends of this elastic jacket are equipped with expansion gradient, this circular gradient block is two, these two circular gradient blocks are separately positioned on the two ends of this elastic jacket, this circular gradient block and described expansion gradient suitable, described latch segment is two, these two latch segments are located at the outside of this circular gradient block.
Ceramic valve ball described in the utility model comprises zirconia ceramics valve ball.
A processing method for the ceramic valve ball that center is with holes, it comprises the following steps:
(1) powder pressing, green machined: the valve ball green compact becoming center with holes powder pressing, and the valve ball green compact suppressed are fixed on lathe, grinding machine or special purpose machine tool, rough turn, finish turning, Cutting Length are carried out to the outer surface of valve ball green compact, blank peak of then polishing;
(2) sinter: valve ball green compact are placed in stove, divide some stages that temperature from ambient is brought up to the default highest temperature, wherein every one-phase is incubated respectively, then divides some stages to be down to default tapping temperature from the highest temperature, come out of the stove, form ceramic sintering briquette ball;
(3) center grinding: ceramic sintering briquette ball is fixed on lathe, grinding machine or special purpose machine tool, carries out center hole grinding, make central hole size meet designing requirement;
(4) length cutting: this ceramic sintering briquette ball fixture is fixed on lathe, grinding machine or special purpose machine tool, the two ends that ceramic sintering briquette ball is provided with centre bore are cut, make the length of this ceramic sintering briquette ball meet the designing requirement of ceramic valve ball;
(5) Surface Machining: fixture is placed through in the centre bore of ceramic sintering briquette ball also fixing, this ceramic sintering briquette ball is fixed on ceramic valve ball processing unit (plant) by this fixture, first roughly grind cylindrical, then carry out fine grinding sphere and polishing, complete the process of ceramic valve ball.
In described step (1), be less than 20N for rough turn with the cutter sharpness of finish turning, the rotating speed of valve ball green compact is 150-320 rev/min; Time rough turn, the depth of cut of this cutter is 3-4mm, and during finish turning, the depth of cut of this cutter is 0.5-2mm.
In described step (2), in temperature-rise period, the first stage, 600 minutes this temperature-rise period used times, then 600 DEG C of insulations 60 minutes in order temperature from ambient is elevated to 600 DEG C; Second stage is by temperature increase to 1000 DEG C, 480 minutes this temperature-rise period used times, then 1000 degrees Celsius of insulations 60 minutes; Phase III is by temperature increase to 1480 DEG C, and this temperature-rise period is 120 minutes, and then 1480 DEG C of insulations 180 minutes, these 1480 DEG C is the highest temperature set; In temperature-fall period, the first stage for temperature is reduced to 1000 DEG C by 1480 DEG C, 480 minutes this temperature-fall period used times; Second stage for temperature is reduced to 650 DEG C by 1000 DEG C, 720 minutes used times; Phase III, 640 minutes this temperature-fall period used times, 200 DEG C was the tapping temperature preset, and when furnace temperature reduces to 200 DEG C, valve ball green compact have been sintered to ceramic valve ball, come out of the stove in order temperature is reduced to 200 DEG C by 650 DEG C.
In described step (3), (4) and (5), for refining centre bore, length is cut and the cutter of Surface Machining is skive, and in the process of processing, the rotating speed of ceramic valve ball is 25-220r/min.
In described step (3), the electroplating abrasion wheel of this skive to be granularity be 150um, this electroplating abrasion wheel rotating speed is 10000 revs/min, and the depth of cut is 0.01-0.05mm.
In described step (4), the bronze Carborundum wheel of this skive to be granularity be 150um, the rotating speed of this bronze Carborundum wheel is 1250-1600 rev/min, and the depth of cut is 0.01-0.05mm.
In described step (5), be the electroplating abrasion wheel of 150um for roughly grind the skive of cylindrical be granularity, the rotating speed of this electroplating abrasion wheel is 1250-1600 rev/min, and the depth of cut is 0.01-0.05mm; It is the resin Carborundum wheel of 83um for refine the skive of sphere and polishing be granularity, the rotating speed of this resin Carborundum wheel is 1250-1600 rev/min, the depth of cut is 0.001-0.01mm, abrasive material for polishing is at least one in diamond polishing cream, diamond polishing liquid, the granularity of described abrasive material is 0.1-0.9um, during polishing, resin Carborundum wheel rotating speed is 1-50 rev/min, and the rotating speed of ceramic valve ball is 25-100 rev/min.
The beneficial effects of the utility model are: the structure of the utility model product is simple, design ingenious, its depth of cut is large, feed speed is very fast, cutting force is high, and can carry out the Surface Machining of zirconia ceramics valve ball expeditiously, sphere crudy is reliable and stable, reduce the production cost of enterprise, enhance competitiveness.
Below in conjunction with accompanying drawing and embodiment, the utility model is further illustrated.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model ceramic valve ball processing unit (plant);
Fig. 2 is the first structural representation of skive in Fig. 1;
Fig. 3 is the second structural representation of skive in Fig. 1;
Fig. 4 is the structural representation of fixture in the utility model;
Fig. 5 is the structural representation of Fig. 4 Elastic chuck.
Detailed description of the invention
Embodiment: as shown in Figures 1 to 5, a kind of ceramic valve ball processing unit (plant) of the utility model, it comprises one for ceramic valve ball 1 fixation kit and of fixing ceramic valve ball 1 for carrying out the toolbox of ceramic valve ball 1 Surface Machining, that ceramic valve ball 1 fixation kit comprises rotating of being oppositely arranged and two fixed pedestals 5 that can move forward and backward, between two fixed pedestals 5, be movably equipped with one ceramic valve ball 1 is placed thereon and fixes the fixture 6 of this ceramic valve ball 1, on a wherein fixed pedestal 5, corresponding described fixture 6 is provided with one and this fixture 6 is fixed on and screws block 7 between two fixed pedestals 5, described toolbox comprises one can the cutter firm banking 8 of XYZ tri-axle feeding, this cutter firm banking 8 is provided with a rotatable tool fitting towards described fixture 6, on this tool fitting, corresponding described fixture 6 is provided with skive 2.
As shown in Figure 2, described skive 2 is electroplating abrasion wheel 3, this electroplating abrasion wheel 3 comprises the cutter hub 9 of a cylindrical shape, extreme direction is gradually little backward by its front end for the internal diameter of this cutter hub 9, front inner wall in this cutter hub 9 is provided with diamond grit 13, the front end face of this cutter hub 9 is provided with cooling fluid flow-guiding mouth 10, and the rear end of this cutter hub 9 is provided with installing plate 11, and this installing plate 11 is provided with installing hole 12.
As shown in Figure 3, described skive 2 is resin Carborundum wheel 4, and this resin diamond grinding wheel 2 comprises the cutter hub 9 of a cylindrical shape, and the front end face of this cutter hub 9 is provided with diamond grit 13, the rear end of this cutter hub 9 is provided with installing plate 11, and this installing plate 11 is provided with installing hole 12.
As shown in Figure 4 and Figure 5, described fixture comprises mandrel 61, the elastic jacket 62 of energy circumferential expansion or contraction, circular gradient block 65 and latch segment 66, these mandrel 61 both ends of the surface are provided with the locating hole 63 matched with this fixed pedestal, described elastic jacket 62 is placed on this mandrel 61, this elastic jacket 62 is made up of metal material, in the two ends of this elastic jacket 62 toward third side to being evenly provided with some strip breach 67, thus make the two ends of elastic jacket form some equally distributed elastic sheet metals, the centre bore two ends of this elastic jacket 62 are equipped with expansion gradient 64, this circular gradient block 65 is two, these two circular gradient blocks 65 are separately positioned on the two ends of this elastic jacket 62, this circular gradient block 65 is suitable with described expansion gradient 64, described latch segment 66 is two, these two latch segments 66 are located at the outside of this circular gradient block 65.
When fixing ceramic valve ball, first elastic jacket 62 is placed on mandrel 61, elastic jacket 62 is extend in the centre bore of ceramic valve ball, two circular gradient blocks 65 are placed on mandrel 61, these two circular gradient blocks 65 are placed in the two ends of this elastic jacket 62 respectively, this circular gradient block 65 matches with the expansion gradient 64 of elastic jacket 62, this mandrel 61 is provided with latch segment 66 screw thread matched, latch segment 66 to be placed on mandrel 61 and to screw, thus circular gradient block 65 is promoted inside elastic jacket 62, elastic jacket 62 is expanded, until ceramic valve ball can not rock, rotate, thus complete the fixing of ceramic valve ball.
On described fixed pedestal, the locating hole 63 at corresponding mandrel 61 two ends is provided with locating dowel, with coordinating of locating hole 63, mandrel 61 is located by locating dowel, then screws this and screw block, thus is fixed by mandrel 61.
A processing method for the ceramic valve ball that center is with holes, it comprises the following steps:
(1) powder pressing, green machined: the valve ball green compact becoming center with holes powder pressing, and the valve ball green compact suppressed are fixed on lathe, grinding machine or special purpose machine tool, rough turn, finish turning, Cutting Length are carried out to the outer surface of valve ball green compact, blank peak of then polishing;
(2) sinter: valve ball green compact are placed in stove, divide some stages that temperature from ambient is brought up to the default highest temperature, wherein every one-phase is incubated respectively, then divides some stages to be down to default tapping temperature from the highest temperature, come out of the stove, form ceramic sintering briquette ball;
(3) center grinding: ceramic sintering briquette ball 1 is fixed on lathe, grinding machine or special purpose machine tool, carries out center hole grinding, make central hole size meet designing requirement;
(4) length cutting: this ceramic valve ball 1 is fixed on lathe, grinding machine or special purpose machine tool, the two ends that ceramic valve ball 1 is provided with centre bore are cut, make length meet the designing requirement of ceramic valve ball 1;
(5) Surface Machining: this ceramic valve ball 1 is fixed on ceramic valve ball 1 processing unit (plant), first roughly grinds cylindrical, then carry out fine grinding sphere and polishing, complete the process of ceramic valve ball.
In described step (1), be less than 20N for rough turn with the cutter sharpness of finish turning, the rotating speed of valve ball green compact is 150-320 rev/min; Time rough turn, the depth of cut of this cutter is 3-4mm, and during finish turning, the depth of cut of this cutter is 0.5-2mm.
In described step (2), in temperature-rise period, the first stage, 600 minutes this temperature-rise period used times, then 600 DEG C of insulations 60 minutes in order temperature from ambient is elevated to 600 DEG C; Second stage is by temperature increase to 1000 DEG C, 480 minutes this temperature-rise period used times, then 1000 degrees Celsius of insulations 60 minutes; Phase III is by temperature increase to 1480 DEG C, and this temperature-rise period is 120 minutes, and then 1480 DEG C of insulations 180 minutes, these 1480 DEG C is the highest temperature set; In temperature-fall period, the first stage for temperature is reduced to 1000 DEG C by 1480 DEG C, 480 minutes this temperature-fall period used times; Second stage for temperature is reduced to 650 DEG C by 1000 DEG C, 720 minutes used times; Phase III, 640 minutes this temperature-fall period used times, 200 DEG C was the tapping temperature preset, and when furnace temperature reduces to 200 DEG C, valve ball green compact have been sintered to ceramic valve ball 1, come out of the stove in order temperature is reduced to 200 DEG C by 650 DEG C.
In described step (3), (4) and (5), for refining centre bore, length is cut and the cutter of Surface Machining is skive 2, and in the process of processing, the rotating speed of ceramic valve ball 1 is 25-220r/min.
In described step (3), this skive 2 for granularity be the electroplating abrasion wheel 3 of 150um, this electroplating abrasion wheel 3 rotating speed is 10000 revs/min, and the depth of cut is 0.01-0.05mm.
In described step (4), this skive 2 for granularity be the bronze Carborundum wheel of 150um, the rotating speed of this bronze Carborundum wheel is 1250-1600 rev/min, and the depth of cut is 0.01-0.05mm.
In described step (5), for the skive 2 of roughly grinding cylindrical for granularity is the electroplating abrasion wheel 3 of 150um, the rotating speed of this electroplating abrasion wheel 3 is 1250-1600 rev/min, and the depth of cut is 0.01-0.05mm; It is the resin Carborundum wheel 4 of 83um for refine the skive 2 of sphere and polishing be granularity, the rotating speed of this resin Carborundum wheel 4 is 1250-1600 rev/min, the depth of cut is 0.001-0.01mm, abrasive material for polishing is at least one in diamond polishing cream, diamond polishing liquid, the granularity of described abrasive material is 0.1-0.9um, during polishing, resin Carborundum wheel 4 rotating speed is 1-50 rev/min, and the rotating speed of ceramic valve ball 1 is 25-100 rev/min.
The method process-cycle is short, the time of about 40% can be shortened compared with traditional diamond-making technique, be beneficial to large-scale batch production, owing to saving a large amount of manpower and materials, and product processing quality is reliable and stable, reduce product fraction defective, thus reduce processing cost, compare traditional diamond-making technique cost and reduce about 40%; Improve the circularity processing of Ceramic Balls, compare traditional diamond-making technique circularity and be increased to 0.005mm by 0.01mm.Improve the fineness of Ceramic Balls, be up to a day Ra0.02, make the surface of Ceramic Balls have best bright finish and good circularity, sealing is higher, more wear-resisting, more durable, service time is longer, the advantage that cost performance is higher etc.
When using ceramic valve ball 1 processing unit (plant) of the present utility model to carry out ceramic valve ball 1 Surface Machining, ceramic valve ball 1 is set in fixture 6, fixture 6 is positioned between two fixed pedestals 5, block 7 is screwed described in turn, this screws block 7 and moves towards fixture 6, until fixture 6 is fixed between two fixed pedestals 5, according to carry out be corase grind cylindrical, fine grinding sphere or polishing process select skive 2, by on fixing for skive 2 tool fitting again, this cutter firm banking 8 mobile, make skive 2 just to ceramic valve ball 1, set initial position, power-on, thus skive 2 emery wheel is by the rotational speed preset, and by the feed speed preset under the drive of cutter tool fitting, depth of cut feeding, simultaneously, ceramic valve ball 1 under the drive of fixed pedestal 5 by the rotational speed preset, this Surface Machining step lasts carries out, until the Surface Machining of ceramic valve ball 1 completes.
Skive 2 used in the utility model comprises resin Carborundum wheel 4 and electroplating abrasion wheel 3, this resin Carborundum wheel 4 includes cylindric cutter hub 9 with electroplating abrasion wheel 3, extreme direction is gradually little backward by its front end for the internal diameter of this electroplating abrasion wheel 3, thus a treating selvedge sphere that can be coated with ceramic valve ball 1 as bowl carries out grinding, efficiency increases, and can large inflow, namely corase grind stops to than the large 0.2mm of finished size designed, then refine with resin Carborundum wheel 4, thus the circularity being less than 0.005mm can be ground.
The structure of the utility model product is simple, and design ingenious, its depth of cut is large, feed speed is very fast, and cutting force is high, can carry out the Surface Machining of zirconia ceramics valve ball 1 expeditiously, sphere crudy is reliable and stable, reduces the production cost of enterprise, enhances competitiveness.
The foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model right change and modify, and all should belong to the covering scope of the utility model claim.
Claims (4)
1. a ceramic valve ball processing unit (plant), it comprises one for the ceramic valve ball fixation kit and of fixing ceramic valve ball for carrying out the toolbox of ceramic valve ball Surface Machining, it is characterized in that: that ceramic valve ball fixation kit comprises rotating of being oppositely arranged and two fixed pedestals that can move forward and backward, between two fixed pedestals, be movably equipped with one ceramic valve ball is placed thereon and fixes the fixture of this ceramic valve ball, on a wherein fixed pedestal, corresponding described fixture is provided with one and this fixture is fixed on and screws block between two fixed pedestals, described toolbox comprises one can the cutter firm banking of XYZ tri-axle feeding, this cutter firm banking is provided with a rotatable tool fitting towards described fixture, on this tool fitting, corresponding described fixture is provided with skive.
2. ceramic valve ball processing unit (plant) according to claim 1, it is characterized in that, described skive is electroplating abrasion wheel, this electroplating abrasion wheel comprises the cutter hub of a cylindrical shape, extreme direction is gradually little backward by its front end for the internal diameter of this cutter hub, and the front inner wall in this cutter hub is provided with diamond grit, and the front end face of this cutter hub is provided with cooling fluid flow-guiding mouth, the rear end of this cutter hub is provided with installing plate, and this installing plate is provided with installing hole.
3. ceramic valve ball processing unit (plant) according to claim 1, it is characterized in that, described skive is resin Carborundum wheel, this resin diamond grinding wheel comprises the cutter hub of a cylindrical shape, the front end face of this cutter hub is provided with diamond grit, the rear end of this cutter hub is provided with installing plate, and this installing plate is provided with installing hole.
4. ceramic valve ball processing unit (plant) according to claim 1, it is characterized in that, described fixture comprises mandrel, the elastic jacket of energy circumferential expansion or contraction, circular gradient block and latch segment, these mandrel both ends of the surface are provided with the locating hole matched with this fixed pedestal, described elastic jacket is placed on this mandrel, in the two ends of this elastic jacket toward third side to being evenly provided with some strip breach, the centre bore two ends of this elastic jacket are equipped with expansion gradient, this circular gradient block is two, these two circular gradient blocks are separately positioned on the two ends of this elastic jacket, this circular gradient block and described expansion gradient suitable, described latch segment is two, these two latch segments are located at the outside of this circular gradient block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420730301.5U CN204308714U (en) | 2014-11-26 | 2014-11-26 | A kind of ceramic valve ball processing unit (plant) |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420730301.5U CN204308714U (en) | 2014-11-26 | 2014-11-26 | A kind of ceramic valve ball processing unit (plant) |
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| CN204308714U true CN204308714U (en) | 2015-05-06 |
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| CN201420730301.5U Active CN204308714U (en) | 2014-11-26 | 2014-11-26 | A kind of ceramic valve ball processing unit (plant) |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110802466A (en) * | 2019-11-18 | 2020-02-18 | 杭州益纳水晶有限公司 | Automatic polishing robot for crystal beads |
| CN115351510A (en) * | 2022-08-29 | 2022-11-18 | 中国船舶重工集团公司第七0七研究所 | Metal ball valve ball wrapping device and ball wrapping process |
-
2014
- 2014-11-26 CN CN201420730301.5U patent/CN204308714U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110802466A (en) * | 2019-11-18 | 2020-02-18 | 杭州益纳水晶有限公司 | Automatic polishing robot for crystal beads |
| CN115351510A (en) * | 2022-08-29 | 2022-11-18 | 中国船舶重工集团公司第七0七研究所 | Metal ball valve ball wrapping device and ball wrapping process |
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Address after: Tangxia Shitan Po Tang 523000 Guangdong province Dongguan City Road No. 28 Patentee after: DONGGUAN CSG CERAMICS TECHNOLOGY CO., LTD. Address before: Tangxia Shitan Po Tang 523000 Guangdong province Dongguan City Road No. 28 Patentee before: DONGGUAN XINBAI STRUCTURAL CERAMICS CO., LTD. |