EP1974861A1 - Projector and blasting machine - Google Patents

Projector and blasting machine Download PDF

Info

Publication number
EP1974861A1
EP1974861A1 EP05820094A EP05820094A EP1974861A1 EP 1974861 A1 EP1974861 A1 EP 1974861A1 EP 05820094 A EP05820094 A EP 05820094A EP 05820094 A EP05820094 A EP 05820094A EP 1974861 A1 EP1974861 A1 EP 1974861A1
Authority
EP
European Patent Office
Prior art keywords
impeller
projector
projectile
speed
resistant rubber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP05820094A
Other languages
German (de)
English (en)
French (fr)
Inventor
Akinori Nakayama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissanki Co Ltd
Original Assignee
Nissanki Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nissanki Co Ltd filed Critical Nissanki Co Ltd
Publication of EP1974861A1 publication Critical patent/EP1974861A1/en
Ceased legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
    • B24C3/10—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces for treating external surfaces
    • B24C3/14—Apparatus using impellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/18—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions
    • B24C3/26—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions the work being supported by barrel cages, i.e. tumblers; Gimbal mountings therefor
    • B24C3/266—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions the work being supported by barrel cages, i.e. tumblers; Gimbal mountings therefor for continuously travelling workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/18—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions
    • B24C3/26—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions the work being supported by barrel cages, i.e. tumblers; Gimbal mountings therefor
    • B24C3/30—Apparatus using impellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C5/00—Devices or accessories for generating abrasive blasts
    • B24C5/06—Impeller wheels; Rotor blades therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C5/00—Devices or accessories for generating abrasive blasts
    • B24C5/06—Impeller wheels; Rotor blades therefor
    • B24C5/066—Housings; Accessories therefor, e.g. liners

Definitions

  • the present invention relates to a projector to be used for a shot blast machine, and a shot blast machine which is adapted to deburr and treat surfaces of molded goods and to remove crud attached to surfaces of workpieces.
  • a conventional shot blast machine uses a projector with an impeller which is made of metal material. This brings a drawback that the projectiles damage themselves when striking the impeller. Another drawback is that projectiles with high grindability cannot be used, since they damage the impeller. A still further drawback is that the impeller being used is made of metal material and heavy, requiring a large motor to drive it, incurs high cost and it is hard to rotate the impeller at high speed.
  • Patent Document 1 Japanese published unexamined application H3-2.34470
  • the projector comprises an impeller which is a high-speed device rotated by a high-speed rotating driving device, and a cover which covers a periphery of the impeller, wherein the cover has a projectile suction port and a projectile exhaust port therein, and wherein further an entire impeller or a portion of the impeller, where the projectiles strike, is formed of high abrasion-resistant rubber.
  • a shot blast machine which is equipped with the projector, comprises an impeller, which is a high-speed device rotated by the high-speed rotating driving device, and the cover which covers the periphery of the impeller and has a projectile suction port and a projectile exhaust port therein, wherein the entire impeller or a portion of the impeller, where the projectiles strike, is formed of high abrasion-resistant rubber.
  • FIGS. 1 to 7 illustrate a first embodiment of the present invention wherein reference numeral 1 is a shot blast machine which is adapted to deburr molded goods, to treat the surface of molded goods and to remove crud attached to the surface of the workpieces.
  • the shot blast machine 1 comprises the following components: a case body 2; a table 4, as a supporting tool supports a workpiece 3, installed into an upper portion of the case body 2, formed of a perforated plate or mesh body; an openable door 5 attached to the case body 2 capable of taking the workpiece 3 in and out of the table 4; a separator 7 with a vibrating screen, provided at a lower portion of the table 4 in the case body 2 through the hopper 6; a liquid tank 8 providing a liquid including water, cleaning liquid or the like sorted out by the separator 7 therein.
  • the machine further comprises a projectile tank 9 providing the projectiles therein; a small dust tank 10 providing small dusts therein; and a large dust tank 11 providing large dusts therein; a mixing tank 13 having a mixer 12 which mixes the liquid from the liquid tank 8 and the projectiles from the projectile tank 9; a projector 15 having an impeller 14 made of a high abrasion-resistant rubber, installed in the upper portion of the case body 2 capable of blasting out the projectile-mixed liquid to the table 4; a supplying channel 18 interposed a slurry pump 17 therebetween, wherein the pump 17 sucks the projectile-mixed liquid in the mixing tank 13 and introduces it into a nozzle 16 positioned in the projector 15; a pump 19 which showers the liquid of the liquid tank 8 to the workpiece 3 supported by the table 4; and a shower device 21 having a shower nozzle 20.
  • the projector 15 further includes a wheel cover 23 having an opening 22 provided at the lower portion thereof and forming a nozzle-insertion hole 24 at a wall surface 23a of a side of suction and inserting fixedly the nozzle 16; the impeller 14 is attached into the wheel cover 23 rotatably, being made of high abrasion-resistant rubber; and a high-speed motor 25 attached to the wheel cover 23, capable of making the impeller 14 to drive at a high speed.
  • the impeller 14 further includes one side plate 27 attached to a drive shaft 26 of the high-speed motor 25, formed in the shape of a disc; a plurality of blades 28 are fixed to a part except for a center portion of the side plate 27 in a radial pattern; and another side plate 30 is fixed so as to cover the blades 28, having a nozzle-insertion hole 29 formed at a part corresponding to the nozzle-insertion hole 24 of the wheel cover 23.
  • the above-constructed shot blast machine 1 uses water as a liquid when it removes the weld flashes of the molded goods. In addition, it uses washing water when it removes the crud attached to the surface of the workpiece.
  • the projector 15, the pump 19, the slurry pump 17 and the separator 7 are driven after the workpiece 3 has been put on the table 4.
  • the projectile-mixed liquid of the mixing tank 13 is blasted from the nozzle 16 after it has passed through the supplying channel 18 by the slurry pump 17.
  • the blasted liquid including the projectile is blasted to the workpiece 3 on the table 4 by the impeller 14, which rotates at a high speed, from the projector 15.
  • the projectile-mixed liquid blasted out by the projector 15 is supplied to the separator 7 with the removed objects from the workpiece through the hopper 6, and is sorted out as the large particle dust, projectiles, small particle dust and liquid, and are introduced into the large-dust tank 11, projectile tank 9, small-dust tank 10 and liquid tank 8 respectively.
  • the liquid supplied into the liquid tank 8 is supplied into the shower nozzle 20 by the mixing tank 13 and pump 19 of the shower device 21, and it is showered to the workpiece 3 on the table 4.
  • FIGS. 8 to 28 explained next are other embodiments of the present invention as illustrated in FIGS. 8 to 28 .
  • the same component parts as those in the first preferred embodiment of the present invention are given the same numerals in order to avoid overlapping explanations.
  • FIGS. 8 and 9 A second embodiment of the present invention is shown in FIGS. 8 and 9 and is distinguished from the first embodiment by the fact that a high abrasion-resistant rubber sheet 39 is fixed to an inner wall surface of the wheel cover 23 by adhering, coating and the like in order to blast the projectile-mixed liquid to the workpiece 3 on the table from the side and upper portion of the case body 2; and the projector 15 is replaced by two projectors 15A, 15A on which is adhered or coated a high abrasion-resistant rubber 41 on a surface of an impeller body 40 made of metal.
  • a shot blast machine 1A in this way according to the second embodiment has similar advantages to that according to the first embodiment.
  • a third embodiment of the present invention is shown in FIGS. 10 to 12 and is distinguished from the first embodiment by the fact that a belt conveyor 31 as a supporting device is used, formed in the shape of an L-letter, capable of holding the workpiece 3 and agitating it.
  • a shot blast machine 1B with the belt conveyor 31 according to the third embodiment has similar advantages to that according to the first embodiment.
  • reference numerals 32, 33, 34 designate revolving shafts which are arranged at the case body 2 so as to be formed in the shape of an L-letter
  • reference numeral 35 is belt which is laid on the revolving shaft 32, 33 and 34 so as to be formed in the shape of an L-letter, having a plurality of through holes 36
  • reference numerals 37, 37 designate guide rollers which are attached to the case body 2, pressing both edges of the belt 35 positioned between the revolving shafts 32 and 34
  • reference numerals 38 designates a reversible motor attached to the case body 2, making the revolving shaft 33 rotate in the forward and backward directions.
  • FIGS. 13 and 14 A fourth embodiment of the present invention is shown in FIGS. 13 and 14 and is distinguished from the first embodiment by the fact that the liquid and projectile which are selected by the separator 7 are stored automatically by their own weight into the mixing tank 13 with the mixer 12, and the liquid which overflows from the mixing tank 13 is supplied into the shower device 21.
  • a shot blast machine 1C according to the fourth embodiment has similar advantages to that according to the first embodiment.
  • FIGS. 15 and 16 A fifth embodiment of the present invention is shown in FIGS. 15 and 16 and is distinguished from the first embodiment by the fact that the projectiles which are selected by the separator 7 are stored in a projectile tank 42, and the projectiles are sucked from the projectile tank 42 by a suction hose 43 and are supplied into the projector 15. In this way, a shot blast machine 1D according to the fifth embodiment may be composed.
  • FIGS. 17 to 23 A sixth embodiment of the present invention is shown in FIGS. 17 to 23 and is distinguished from the first preferred embodiment of the present invention by the fact that the impeller 14A comprises the following components: an impeller body 40 comprising a discoid side panel 27 of which central portion a projectile suction port 44 is formed, a plurality of blades 28 which are integrally formed in a radial pattern between the projectile suction port 44 on the inner surface and the periphery of the side plate 27, and another side plate 30 integrally formed with the plurality of blades 28; a disk flange fitting hole 45 being formed in a central portion thereof; a metallic supporting plate 46 attached in such a manner that it contacts with the lateral surface of the one side plate 27 of the impeller body 40; a disc flange 47 which is attached to the drive shaft 26 of the high-speed motor 25 in such a manner that it contacts with the lateral surface of the other side plate 30 of the impeller body 40; and a plurality of metallic spacing members 49 which are attached at a
  • a shot blast machine 1E constructed by using a projector 15B and a wheel cover 23A according to the sixth embodiment has similar advantages to that according to the first preferred embodiment of the present invention.
  • high abrasion-resistant rubber 51, 51, 52 is disposed on inner wall surfaces, which form also an outer periphery of both sides of a cover body 50, the high abrasion-resistant rubber 51, 51 are fixed to the cover body 50 by a plurality of countersunk screws 53 and nuts 54.
  • the present invention is not limited to this application. It may also be applicable to use a high abrasion-resistant rubber which is integrally formed in such manner that it fits inside the inner wall surface of the cover body 50.
  • a seventh embodiment of the present invention is shown in FIGS. 24 to 26 and is distinguished from the sixth embodiment of the present invention by the fact that it comprises: a hopper-shaped bulkhead 57 which divides the case body 2 in such manner that the upper portion serves as a blast-processing chamber 55 while the lower portion serves as a projectile-processing chamber 56; a deburring parts holder 61 which comprises a motor 58 which is mounted on the case body 2 inside the blast-processing chamber 56 so as to allow the motor 58 to support and rotate the deburring parts, and a bucket 60 which is formed of a perforated plate having a plurality of through holes 59 being formed therein which allow the projectiles to pass through them; a projectile container 62 which retains the projectiles being separated by the separator 7 installed in the projectile-processing chamber 56.
  • a suction hose 63 is installed in such a manner that the projectiles retained in the projectile container 62 can be sucked to the impeller 14A by high-speed rotation of the impeller 14A in the projector 15B; a refrigerant supplier 66 having a refrigerant pipe 65 which is equipped with a solenoid valve therein, the refrigerant supplier 66 supplies refrigerant such as liquefied inert gas including liquefied nitrogen and liquefied carbon dioxide to the blast-processing chamber 55; and an exhaust pipe 68 which is installed on top of the blast-processing chamber 55 and has a damper therein.
  • a shot blast machine 1F according to the seventh embodiment has similar advantages to that according to the first preferred embodiment of the present invention.
  • the present invention allows using projectiles other than those mentioned in the embodiments of the present invention for any type of shot blast machine as long as it blasts out such projectiles by an impeller.
  • the present invention is applicable in the industry of manufacturing the shot blast machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP05820094A 2005-12-20 2005-12-20 Projector and blasting machine Ceased EP1974861A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2005/023394 WO2007072553A1 (ja) 2005-12-20 2005-12-20 投射機およびブラスト装置

Publications (1)

Publication Number Publication Date
EP1974861A1 true EP1974861A1 (en) 2008-10-01

Family

ID=38188344

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05820094A Ceased EP1974861A1 (en) 2005-12-20 2005-12-20 Projector and blasting machine

Country Status (4)

Country Link
US (1) US20100178854A1 (ja)
EP (1) EP1974861A1 (ja)
JP (1) JPWO2007072553A1 (ja)
WO (1) WO2007072553A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2548699A1 (en) * 2010-03-17 2013-01-23 Sintokogio, Ltd. Shot blasting device
KR101353286B1 (ko) * 2011-10-19 2014-01-22 쇼와덴코가쓰푸로다쿠쓰 가부시키가이샤 숏블라스트 장치
CN103600300A (zh) * 2013-10-16 2014-02-26 格林精密部件(苏州)有限公司 扭力杆抛丸机

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102098976B1 (ko) 2012-08-06 2020-04-08 신토고교 가부시키가이샤 쇼트 처리 장치
KR101431025B1 (ko) * 2012-12-27 2014-08-18 주식회사 포스코 숏 블라스터 및 이를 구비하는 스케일 제거장치
CN104290039A (zh) * 2013-07-15 2015-01-21 自贡硬质合金有限责任公司 合金钢舟皿的清理装置及清理方法
JP2015062964A (ja) * 2013-09-24 2015-04-09 昭和電工ガスプロダクツ株式会社 ショットブラスト装置
CN107368122B (zh) * 2017-08-08 2022-08-09 武汉华讯国蓉科技有限公司 激光投影仪和用于其中的温度自动控制系统及控制方法
CN112643553A (zh) * 2020-12-14 2021-04-13 南京欣纳达精密机械有限公司 一种双叶轮喷射吊挂式冷冻修边机

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429742A (en) * 1944-10-12 1947-10-28 American Wheelabrator & Equipm Treating surfaces of workpieces with abrasives
JPS5130316B1 (ja) * 1969-11-01 1976-08-31
US3660943A (en) * 1970-01-26 1972-05-09 Carl W Barnthouse Shot blast chamber and impeller liners
JPS5115087U (ja) * 1974-07-20 1976-02-03
JPS511592Y1 (ja) * 1974-11-11 1976-01-17
JPS58117347U (ja) * 1982-02-04 1983-08-10 新東工業株式会社 遠心投射装置用ブレ−ド
GB8332348D0 (en) * 1983-12-03 1984-01-11 Massey A Machine part
JPH075980Y2 (ja) * 1987-03-05 1995-02-15 株式会社ニッサンキ ショットブラスト機
JP2640546B2 (ja) 1990-02-06 1997-08-13 昭和炭酸株式会社 ショットブラスト装置および投射材選別装置
US5637029A (en) * 1993-11-22 1997-06-10 Lehane; William B. Method and apparatus for shot blasting materials
JP2575861Y2 (ja) * 1993-12-17 1998-07-02 新東工業株式会社 回転軸直結型遠心投射装置
JP3748188B2 (ja) * 2000-02-02 2006-02-22 新東工業株式会社 遠心投射機におけるライナの摩耗検知装置
JP2003326460A (ja) * 2002-05-02 2003-11-18 Fuji Kikai:Kk ローターによる湿式ブラスト装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007072553A1 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2548699A1 (en) * 2010-03-17 2013-01-23 Sintokogio, Ltd. Shot blasting device
EP2548699A4 (en) * 2010-03-17 2014-10-29 Sintokogio Ltd JET CLEANING DEVICE
US9193035B2 (en) 2010-03-17 2015-11-24 Sintokogio, Ltd. Shot-blasting machine
KR101353286B1 (ko) * 2011-10-19 2014-01-22 쇼와덴코가쓰푸로다쿠쓰 가부시키가이샤 숏블라스트 장치
CN103600300A (zh) * 2013-10-16 2014-02-26 格林精密部件(苏州)有限公司 扭力杆抛丸机

Also Published As

Publication number Publication date
JPWO2007072553A1 (ja) 2009-05-28
US20100178854A1 (en) 2010-07-15
WO2007072553A1 (ja) 2007-06-28

Similar Documents

Publication Publication Date Title
EP1974861A1 (en) Projector and blasting machine
WO2012020517A1 (ja) ブラスト加工装置
KR101196526B1 (ko) 블라스트 가공 장치
WO2013005763A1 (ja) ショット処理装置
EP2636486B1 (en) A shot-processing apparatus
TWI655058B (zh) 珠擊處理裝置
US20070032178A1 (en) Shot blast machine
JP2011079120A (ja) ショットブラスト方法およびその設備
JP6112017B2 (ja) 電子部品のコア部材のバリ取り処理方法及びその装置
JP5288052B2 (ja) ショットブラスト装置用ドラム及びショットブラスト装置
US20070032179A1 (en) Shot blast machine
JP2007021601A (ja) ショットブラスト装置
JP6196516B2 (ja) ショットブラスト装置
JP4893875B1 (ja) ブラスト加工装置
US2815716A (en) Grit pump for wet grit blasting machines
JP5590388B2 (ja) 連続式バレルブラスター
TW201511889A (zh) 拋丸裝置
US20040185757A1 (en) Washing device
KR20080075771A (ko) 투사기 및 블러스트 장치
US3158966A (en) Centrifugal wheel blasting machine
CN220094279U (zh) 工件定点旋转喷砂、喷丸机
JPH0616641Y2 (ja) ショツトブラスト装置
CN213106349U (zh) 一种钛宝石表面磨砂装置
CN213825797U (zh) 一种用于钳子原料处理用覆带抛丸清理机
JP2502927Y2 (ja) ショツトブラスト装置

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20080715

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE

DAX Request for extension of the european patent (deleted)
RBV Designated contracting states (corrected)

Designated state(s): DE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 20090413