CN103802040A - Grinding wheel pressing hydraulic machine - Google Patents
Grinding wheel pressing hydraulic machine Download PDFInfo
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- CN103802040A CN103802040A CN201410067759.1A CN201410067759A CN103802040A CN 103802040 A CN103802040 A CN 103802040A CN 201410067759 A CN201410067759 A CN 201410067759A CN 103802040 A CN103802040 A CN 103802040A
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- emery wheel
- workbench
- grinding wheel
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- hydraulic machine
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Abstract
The invention discloses a grinding wheel pressing hydraulic machine, and relates to the field of grinding wheel production. The grinding wheel pressing hydraulic machine resolves the technical problem that a grinding wheel pressing hydraulic machine in the prior art is low in automation degree. The grinding wheel pressing hydraulic machine comprises a machine frame provided with a work table, wherein the work table is provided with a grinding wheel die, an upper pressing die and a first driving device driving the upper pressing die to lift are arranged above the grinding wheel die, the machine frame is provided with a guide rail and a second driving device driving the work table to move along the guide rail, the guide rail is sequentially provided with an automatic feeding work position, a pressing work position and a grinding wheel die releasing work position in the moving direction of the work table, the upper pressing die is arranged over the pressing work position, an automatic feeding device is arranged above the automatic feeding work position, and a die releasing device is arranged below the grinding wheel die releasing work position. The grinding wheel pressing hydraulic machine is applied to grinding wheel production.
Description
[technical field]
The present invention relates to a kind of emery wheel processing unit (plant).
[background technology]
Emery wheel is the circular bonded abrasive tool that has through hole with the central authorities that abrasive material and bonding agent resin etc. are made.Emery wheel is consumption maximum in grinding tool, the widest one of use face, and High Rotation Speed when use can be roughly ground the cylindrical of metal or non-metal workpiece, inner circle, plane and various profiles etc., half fine grinding and fine grinding and fluting and cut-out etc.Emery wheel is processed by emery wheel pressing hydraulic machine, existing emery wheel pressing hydraulic machine comprises patrix and is arranged on the counterdie on workbench, emery wheel powder is imported among counterdie, hydraulic means drives counterdie to decline and suppresses, again the emery wheel suppressing is taken out from counterdie afterwards, put into kiln and fire.But the automaticity of existing emery wheel pressing hydraulic machine is low, can only realize semi-automation, need to manually carry out multiple back work.
[summary of the invention]
The technical problem that the present invention solves is to provide a kind of emery wheel pressing hydraulic machine, and automaticity is high, improves the operating efficiency that emery wheel is produced.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of emery wheel pressing hydraulic machine, comprise frame, described frame is provided with workbench, described workbench be provided with grinding wheel die, the top of described grinding wheel die is provided with top die and drives the first drive unit of top die lifting, the second drive unit that described frame is provided with guide rail and drives workbench to move along guide rail, described guide rail is provided with automatic feed station successively along movable workbench direction, compacting station and emery wheel demoulding station, directly over described compacting station, described top die is set, the top of described automatic feed station is provided with automatic feeder, the below of described emery wheel demoulding station is provided with stripper apparatus.
Further, described compacting station is provided with backing plate, workbench is positioned at the top of backing plate, the both sides, bottom surface of workbench are provided with link slot, in described link slot, are connected with bearing, and the end face of described link slot is provided with lead, described bearing is provided with the mounting groove that connects described lead, the buffer spring being connected with on described lead, described bearing is flexibly connected described guide rail, between described backing plate and the opposite face of workbench, leaves gap.
Further, the below of described backing plate is provided with unsteady liftout attachment, the upper surface of described workbench is provided with base, described base is provided with holding tank, described grinding wheel die part is positioned at holding tank, the bottom of described grinding wheel die is provided with the block outstanding towards circumferential outside, and the inwall of described holding tank is provided with limited block, and described limited block is positioned at the top of described lug boss.
Further, described grinding wheel die comprises inner sleeve and overcoat, described unsteady liftout attachment comprises the unsteady cylinder that is located at backing plate below, the cylinder that floats is provided with interior push rod and outer push rod, described backing plate is provided with the hole of dodging that connects interior push rod and outer push rod, described workbench is provided with some through holes, in described through hole, be connected with corresponding between interior push rod and inner sleeve in extension bar and the correspondence external connecting rods between push rod and overcoat outside, the top of described interior extension bar and external connecting rods is provided with boss, and the top of described through hole is provided with the counterbore that connects described boss.
Further, the top of described stripper apparatus is provided with and is provided with successively sand mo(u)ld turning device, lower bolster withdrawing device and cope match-plate pattern withdrawing device, described guide rail one side is provided with rotating shaft, described sand mo(u)ld turning device comprises overturning seat, the 3rd drive unit that driving overturning seat rotates around the axis and the four-drive device that drives overturning seat upset, described overturning seat comprises base plate, be disposed on two sidewalls on base plate and be arranged on the jut on sidewall opposite face, described base plate, sidewall and jut form emery wheel and deposit and receive chamber, on described base plate, be connected with clamp by lowering or hoisting gear, described lower bolster withdrawing device comprises the first sucker, the 5th drive unit that connecting rod and drive link rotate around the axis, described the first sucker is connected to the below of connecting rod by lift cylinder, described cope match-plate pattern withdrawing device comprises the second sucker, drive the 6th drive unit of the second sucker transverse shifting and the 7th drive unit of driving the second sucker lifting.
Further, on described sand mo(u)ld turning device, be connected with and drive eight drive unit of sand mo(u)ld turning device along the axial lifting of rotating shaft.
Further, described the first sucker and the second sucker are magnechuck or vacuum cup.
Further, described automatic feed station and compacting are provided with between station and strike off station, described in strike off station top and be provided with sandwich, described sandwich comprises scraper and the servomotor that drives scraper to rotate.
Further, described automatic feeder is Weightlessness balance.
Further, on described guide rail, be connected with at least two described workbench.
Beneficial effect of the present invention:
Emery wheel pressing hydraulic machine of the present invention, in frame, be provided with guide rail, on guide rail, be provided with successively automatic feed station, compacting station and emery wheel demoulding station, the process that workbench moves along guide rail is passed through these stations successively, automatic feeder adds emery wheel raw material on automatic feed station in trend grinding wheel die, top die is suppressed the raw material in grinding wheel die at compacting station, the emery wheel of having suppressed completes automatic demoulding at emery wheel demoulding station, therefore this plant equipment energy automation complete production process, improve the efficiency that emery wheel is manufactured, reduce labour intensity.
These features of the present invention and advantage will be below the specific embodiment, accompanying drawing in detailed exposure.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is topology view of the present invention;
Fig. 2 is the structural representation of unsteady liftout attachment in the present invention;
Fig. 3 is the structural representation of sand mo(u)ld turning device, lower bolster withdrawing device and cope match-plate pattern withdrawing device.
[specific embodiment]
The invention provides a kind of emery wheel pressing hydraulic machine, comprise frame, frame is provided with workbench, workbench be provided with grinding wheel die, the top of grinding wheel die is provided with top die and drives the first drive unit of top die lifting, the second drive unit that frame is provided with guide rail and drives workbench to move along guide rail, guide rail is provided with automatic feed station successively along moving direction, compacting station and emery wheel demoulding station, compacting station is provided with backing plate, workbench is positioned at the top of backing plate, top die is set directly over backing plate, the top of feed station is provided with automatic feeder, the below of emery wheel demoulding station is provided with stripper apparatus.This emery wheel pressing hydraulic machine is realized emery wheel in the automated production entering before kiln, and production efficiency is high, and automated production has improved the quality of processing.
Accompanying drawing below in conjunction with the embodiment of the present invention is explained and illustrated the technical scheme of the embodiment of the present invention, but following embodiment is only the preferred embodiments of the present invention, not all.Based on the embodiment in embodiment, those skilled in the art are other embodiment that obtains under the prerequisite of not making creative work, all belongs to protection scope of the present invention.
With reference to figure 1, Fig. 2 and Fig. 3, shown a kind of emery wheel pressing hydraulic machine, comprise frame 1, frame 1 is provided with workbench 14, workbench 14 be provided with grinding wheel die 6, the top of grinding wheel die 6 is provided with top die 12 and drives the first drive unit of top die 12 liftings, preferred the first drive unit is the first cylinder or the first hydraulic cylinder, the second drive unit that frame 1 is provided with guide rail 11 and drives workbench 14 to move along guide rail 11, guide rail 11 is provided with automatic feed station 111 successively along moving direction, compacting station 113 and emery wheel demoulding station 114, the top of automatic feed station 111 is provided with automatic feeder 2, compacting station 113 tops arrange top die 12, emery wheel demoulding station 114 is provided with stripper apparatus 17.When workbench is initial, be positioned on automatic feed station 111, automatic feeder 2 adds emery wheel raw material in grinding wheel die 6, cover afterwards cope match-plate pattern, workbench 14 moves to compacting station 113 along guide rail 11,12 times interference fit grinding wheel dies 6 of top die complete compacting, workbench 14 continues to move to emery wheel demoulding station 114, ejects emery wheel complete abrasive wheel forming by stripper apparatus 17, and last workbench 14 returns to the production that automatic feed station 111 carries out next time.
And, can at least two workbench 14 be set on guide rail 11, on workbench 14, be all connected with the second drive unit, preferred the second drive unit is screw rod driving device.Take two workbench as example, when the first workbench is suppressed from automatic feed station 111 arrival compacting stations 113, automatic feeder 2 feeds in raw material to the grinding wheel die on the second workbench, improves hydraulic press service efficiency by this set-up mode.
Further, between automatic feed station 111 and compacting station 113, be provided with and strike off station 112, strike off station 112 tops and be provided with liftable sandwich 3, sandwich 3 comprises scraper and the servomotor that drives scraper to rotate, and scraper rotation removes raw material automatic scraping unnecessary on grinding wheel die.
Preferably, automatic feeder 2 is Weightlessness balance, and Weightlessness balance is by pillar connection frame.Weightlessness balance is a kind of weighing-appliance that is interrupted feed continuous discharge, because vector control is to carry out in hopper, can reach higher control accuracy, and structure is easy to again sealing.Its principle is as follows, when the material of weighing hopper reaches while weighing lower position, discharging screw machine is fixed load according to rotating speed at that time, control simultaneously material in feed bin fast under in weighing hopper, stop charging on weighing in limited time when being charged to, superfast loading can shorten feed time, improves the degree of accuracy and the control accuracy of weighing.
With reference to figure 1 and Fig. 2, on compacting station 113, be provided with backing plate 13, guide rail 11 is arranged on the both sides of backing plate 13, workbench 14 is positioned at the top of backing plate 13, the both sides, bottom surface of workbench 14 are provided with link slot 145, in link slot 145, be connected with bearing 141, the end face of link slot 145 is provided with lead 142, bearing 141 is provided with the mounting groove 143 that connects lead 142, the buffer spring 144 being socketed with on lead 142, bearing 141, by roller 16 connection guide rails 11, leaves gap between backing plate 13 and the opposite face of workbench 14.In pressing process, the pressure guide rail 11 of 1000 tons cannot bear; Therefore bearing 141 is set on workbench 14, and after bearing 141 is connected by elastic component with workbench 14, when compacting, workbench 14 is stressed can fit with backing plate 13, allow backing plate 13 bear full tonnage pressure, and now bearing 141 end faces do not contact with workbench 14, so the suffered pressure of guide rail 11 is little.After having suppressed, buffer spring 144 is replied jack-up workbench 14, leaves 1～2 millimeter, backing plate, and workbench 14 moves accessible, and guide rail is harmless.
In the present invention, the below of backing plate 13 is provided with the liftout attachment 5 that floats, workbench 14 is provided with base 15, base 15 is provided with holding tank 151, grinding wheel die 6 parts are positioned at holding tank 151, the bottom of grinding wheel die 6 is provided with the block 63 outstanding towards circumferential outside, and the inwall of holding tank 151 is provided with limited block 152, and limited block 152 is positioned at the top of block 63.When the liftout attachment 5 that floats upwards ejects grinding wheel die 6, grinding wheel die 6 moves along the short transverse of holding tank 151, and limited block 152 stops block 63, the height that restriction ejects.The floating action of unsteady liftout attachment makes emery wheel goods at thickness direction even density.
Because backing plate 13 is fixed in frame 1, and workbench 14 is movably, so traditional unsteady liftout attachment inapplicable.Concrete, grinding wheel die 6 of the present invention comprises inner sleeve 62 and overcoat 61, the liftout attachment 5 that floats comprises the unsteady cylinder 51 that is located at backing plate 13 belows, the cylinder 51 that floats is provided with interior push rod 52 and outer push rod 56, backing plate 13 is provided with the hole of dodging that connects interior push rod 52 and outer push rod 56, workbench 14 is provided with some through holes, in through hole, be connected with corresponding external connecting rods 57 between the interior extension bar 53 between interior push rod 52 and inner sleeve 62 and corresponding push rod 56 outside and overcoat 61, the top of interior extension bar 53 and external connecting rods 57 is equipped with boss 55, the top of through hole is provided with the counterbore that connects boss 55, the inner headed face bottom of inner sleeve 62 is provided with groove 64, on groove 64, be connected with top board 54, interior extension bar 53 connects the middle part of top board 54.When workbench 14 moves to compacting station 113, the cylinder 51 that floats is worked, interior push rod 52 pushes interior extension bar 53, and outer push rod 56 pushes external connecting rods 57, interior extension bar 53 jack-up inner sleeves 62, external connecting rods 57 jack-up overcoats 61, top die 12 presses down afterwards, drives the downward return of grinding wheel die 6, under this power effect, unsteady cylinder 51 back pressure oil extractions, thus realize floating effect.
With reference to figure 3, also above stripper apparatus 17, be provided with and be provided with successively sand mo(u)ld turning device, lower bolster withdrawing device and cope match-plate pattern withdrawing device, guide rail 11 1 sides are provided with rotating shaft 18, sand mo(u)ld turning device comprises overturning seat 83, drive the 3rd drive units 81 of overturning seat 83 18 rotations around the shaft and the four-drive device 82 that drives overturning seat 83 to overturn, overturning seat 83 comprises base plate 834, be disposed on two sidewalls 832 on base plate 834 and be arranged on the jut 831 on sidewall 832 opposite faces, base plate 834, sidewall 832 and jut 831 are deposited and are received chamber 833 around forming emery wheel, on base plate 834, be connected with clamp 84 by lowering or hoisting gear 85, lower bolster withdrawing device comprise the first sucker 74, connecting rod 73 and drive link 73 around the shaft 18 the 5th drive unit 71, the first suckers 74 that rotate be connected to the below of connecting rod 73 by lift cylinder 72, cope match-plate pattern withdrawing device comprises the second sucker 41, drives the 6th drive unit 42 of the second sucker 41 transverse shiftings and the 7th drive unit 43 of driving the second sucker 41 liftings.Stripper apparatus 17 is by lower bolster 92, after emery wheel 91 and cope match-plate pattern 93 eject from grinding wheel die 6, cope match-plate pattern withdrawing device moves on to workbench 14, the second sucker 41 declines and takes cope match-plate pattern 93 away, then cope match-plate pattern withdrawing device moves kiln plate 94 is covered above emery wheel 91, when overturning seat 83 turns to workbench 14 top from workbench one side, turn over turnback, emery wheel 91 is positioned at emery wheel and deposits and receive chamber 833, clamp 84 liftings press kiln plate 94 emery wheel are fixed, overturning seat 83 rotates gets back to original position, and after upset is replied, clamp 84 declines and unclamps emery wheel, the first sucker 74 declines, after the first sucker 74 adsorbs lower bolster 92, connecting rod 73 drive the first sucker 74 forward to grinding wheel die 6 directly over, lower bolster 92 is sent back among grinding wheel die 6, then the first sucker 74 homings.Can realize the automatic transporting of emery wheel by this device, improve the stationarity of carrying, increase work efficiency, can prevent the local damage of the emery wheel phenomenon that a dead lift causes.
And, on sand mo(u)ld turning device, be connected with and drive eight drive unit of sand mo(u)ld turning device along the axial lifting of rotating shaft, due to different emery wheels, the height of its grinding wheel die can change, and therefore by lifting sand mo(u)ld turning device, supports the emery wheel manufacture of different size.
Wherein, the first sucker 74 and the second sucker 41 are magnechuck or vacuum cup.
Above-mentioned the 5th drive unit 71, the 3rd drive unit 81 and four-drive device 82 are rotary hydraulic motor, oil cylinder with gear racks or servomotor; The 6th drive unit 42, the 7th drive unit 43 and the 8th drive unit can be cylinder or oil cylinder, and lowering or hoisting gear 85 comprises the push rod that connects clamp 84 and cylinder or the oil cylinder that drives push rod lifting, and clamp can compress kiln plate 94 emery wheel is compressed.
In addition, stripper apparatus 17 comprises thimble, and liftable thimble passes between inner sleeve and overcoat, jack-up emery wheel.
By above-described embodiment, object of the present invention is by fully effective having reached.The personage who is familiar with this technology should be understood that the content the present invention includes but be not limited to accompanying drawing and describe in the specific embodiment above.Any modification that does not depart from function and structure principle of the present invention all will be included in the scope of claims.
Claims (10)
1. an emery wheel pressing hydraulic machine, comprise frame, described frame is provided with workbench, described workbench be provided with grinding wheel die, the top of described grinding wheel die is provided with top die and drives the first drive unit of top die lifting, it is characterized in that: the second drive unit that described frame is provided with guide rail and drives workbench to move along guide rail, described guide rail is provided with automatic feed station successively along movable workbench direction, compacting station and emery wheel demoulding station, directly over described compacting station, described top die is set, the top of described automatic feed station is provided with automatic feeder, the below of described emery wheel demoulding station is provided with stripper apparatus.
2. a kind of emery wheel pressing hydraulic machine according to claim 1, it is characterized in that: described compacting station is provided with backing plate, workbench is positioned at the top of backing plate, the both sides, bottom surface of workbench are provided with link slot, in described link slot, be connected with bearing, the end face of described link slot is provided with lead, described bearing is provided with the mounting groove that connects described lead, the buffer spring being connected with on described lead, described bearing is flexibly connected described guide rail, between described backing plate and the opposite face of workbench, leaves gap.
3. a kind of emery wheel pressing hydraulic machine according to claim 2, it is characterized in that: the below of described backing plate is provided with unsteady liftout attachment, described workbench is provided with base, described base is provided with holding tank, described grinding wheel die part is positioned at holding tank, the bottom of described grinding wheel die is provided with the block outstanding towards circumferential outside, and the inwall of described holding tank is provided with limited block, and described limited block is positioned at the top of described lug boss.
4. according to a kind of emery wheel pressing hydraulic machine described in claim 2 or 3, it is characterized in that: described grinding wheel die comprises inner sleeve and overcoat, described unsteady liftout attachment comprises the unsteady cylinder that is located at backing plate below, the cylinder that floats is provided with interior push rod and outer push rod, described backing plate is provided with the hole of dodging that connects interior push rod and outer push rod, described workbench is provided with some through holes, in described through hole, be connected with corresponding between interior push rod and inner sleeve in extension bar and the correspondence external connecting rods between push rod and overcoat outside, the top of described interior extension bar and external connecting rods is provided with boss, the top of described through hole is provided with the counterbore that connects described boss.
5. according to a kind of emery wheel pressing hydraulic machine described in claim 1 or 2 or 3, it is characterized in that: the top of described stripper apparatus is provided with and is provided with successively sand mo(u)ld turning device, lower bolster withdrawing device and cope match-plate pattern withdrawing device, described guide rail one side is provided with rotating shaft, described sand mo(u)ld turning device comprises overturning seat, the 3rd drive unit that driving overturning seat rotates around the axis and the four-drive device that drives overturning seat upset, described overturning seat comprises base plate, be disposed on two sidewalls on base plate and be arranged on the jut on sidewall opposite face, described base plate, sidewall and jut form emery wheel and deposit and receive chamber, on described base plate, be connected with clamp by lowering or hoisting gear, described lower bolster withdrawing device comprises the first sucker, the 5th drive unit that connecting rod and drive link rotate around the axis, described the first sucker is connected to the below of connecting rod by lift cylinder, described cope match-plate pattern withdrawing device comprises the second sucker, drive the 6th drive unit of the second sucker transverse shifting and the 7th drive unit of driving the second sucker lifting.
6. a kind of emery wheel pressing hydraulic machine according to claim 5, is characterized in that: on described sand mo(u)ld turning device, be connected with and drive eight drive unit of sand mo(u)ld turning device along the axial lifting of rotating shaft.
7. the emery wheel of a kind of emery wheel press according to claim 5 turns over conversion module mechanism, it is characterized in that: described the first sucker and the second sucker are magnechuck or vacuum cup.
8. according to a kind of emery wheel pressing hydraulic machine described in claim 1 or 2 or 3, it is characterized in that: between described automatic feed station and compacting station, be provided with and strike off station, the described station top that strikes off is provided with sandwich, and described sandwich comprises scraper and the servomotor that drives scraper to rotate.
9. according to a kind of emery wheel pressing hydraulic machine described in claim 1 or 2 or 3, it is characterized in that: described automatic feeder is Weightlessness balance.
10. according to a kind of emery wheel pressing hydraulic machine described in claim 1 or 2 or 3, it is characterized in that: on described guide rail, be connected with at least two described workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410067759.1A CN103802040B (en) | 2014-02-27 | 2014-02-27 | A kind of emery wheel pressing hydraulic machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410067759.1A CN103802040B (en) | 2014-02-27 | 2014-02-27 | A kind of emery wheel pressing hydraulic machine |
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| CN103802040A true CN103802040A (en) | 2014-05-21 |
| CN103802040B CN103802040B (en) | 2016-05-11 |
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| CN201410067759.1A Active CN103802040B (en) | 2014-02-27 | 2014-02-27 | A kind of emery wheel pressing hydraulic machine |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104044090A (en) * | 2014-06-24 | 2014-09-17 | 郑州磨料磨具磨削研究所有限公司 | Layered compression molding method and device for grinding wheel ring |
| CN104476424A (en) * | 2014-12-08 | 2015-04-01 | 熊德芳 | Grinding wheel manufacturing spreading device with sand sucking function |
| CN104608063A (en) * | 2015-01-30 | 2015-05-13 | 洛阳希微磨料磨具有限公司 | Special die sleeve for grinding wheel |
| CN105458953A (en) * | 2015-12-30 | 2016-04-06 | 廊坊盛森磨具有限公司 | Material spreading device for grinding wheel forming machine |
| CN106625300A (en) * | 2016-11-21 | 2017-05-10 | 郑州狮虎磨料磨具有限公司 | Grinding wheel pressing device and superhard grinding wheel production line applying same |
| CN106947858A (en) * | 2017-05-02 | 2017-07-14 | 重庆科技学院 | A kind of mini-sintering experimental sample rapid prototyping system and method |
| CN111958509A (en) * | 2020-07-07 | 2020-11-20 | 郑州大学 | Automatic form removal mechanism for metal grinding wheel |
| CN112590289A (en) * | 2020-11-26 | 2021-04-02 | 湖南省方圆磨料磨具有限公司 | Press for manufacturing and processing grinding wheel |
| CN114131519A (en) * | 2021-11-22 | 2022-03-04 | 广东弘州科技有限公司 | Special oil pressure machine for ceramic grinding wheel |
| CN114128633A (en) * | 2021-10-28 | 2022-03-04 | 深圳市逗号智宠生活有限公司 | Pet feeding device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104044090A (en) * | 2014-06-24 | 2014-09-17 | 郑州磨料磨具磨削研究所有限公司 | Layered compression molding method and device for grinding wheel ring |
| CN104476424A (en) * | 2014-12-08 | 2015-04-01 | 熊德芳 | Grinding wheel manufacturing spreading device with sand sucking function |
| CN104608063A (en) * | 2015-01-30 | 2015-05-13 | 洛阳希微磨料磨具有限公司 | Special die sleeve for grinding wheel |
| CN105458953A (en) * | 2015-12-30 | 2016-04-06 | 廊坊盛森磨具有限公司 | Material spreading device for grinding wheel forming machine |
| CN106625300A (en) * | 2016-11-21 | 2017-05-10 | 郑州狮虎磨料磨具有限公司 | Grinding wheel pressing device and superhard grinding wheel production line applying same |
| CN106947858A (en) * | 2017-05-02 | 2017-07-14 | 重庆科技学院 | A kind of mini-sintering experimental sample rapid prototyping system and method |
| CN111958509A (en) * | 2020-07-07 | 2020-11-20 | 郑州大学 | Automatic form removal mechanism for metal grinding wheel |
| CN111958509B (en) * | 2020-07-07 | 2022-06-24 | 郑州大学 | Automatic form removal mechanism for metal grinding wheel |
| CN112590289A (en) * | 2020-11-26 | 2021-04-02 | 湖南省方圆磨料磨具有限公司 | Press for manufacturing and processing grinding wheel |
| CN114128633A (en) * | 2021-10-28 | 2022-03-04 | 深圳市逗号智宠生活有限公司 | Pet feeding device |
| CN114131519A (en) * | 2021-11-22 | 2022-03-04 | 广东弘州科技有限公司 | Special oil pressure machine for ceramic grinding wheel |
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