CS241960B1 - Electromagnetical clamping device - Google Patents

Abstract

A device for applying a force, such as a clamping device, comprises an electric motor (2) which, when energised, causes rotation of a nut (8) which in turn causes linear displacement of a spigot (9) and of an output element (16). When the output element (16) meets a resistance and is arrested, a resilient assembly (15) is compressed, and relative movement takes place between a rod (17) carried by the output element (16), and a tube (18), carried by the spigot (9). This relative movement is detected by a transducer (20) which, when the movement reaches a predetermined value, delivers a signal which causes the motor (2) to be de-energised. The device enables a predetermined clamping force to be achieved and maintained substantially constant, or varied in a predetermined manner. The device may be used on machine tools. <IMAGE>

Description

I -2-

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• SL ΦΟΡΜΥΛΑ ϋ30ΕΡΕΤΕΗΗίϊ first 3jieKTpOMfecaote.cgaď aaaatoioo yoippoíio Pey ^ B "and" q! Suaqee θΛβκ-TpoflBMraTeuib of πολημ βθλομ, nocjieflOBaTejibHo οοθακηθηηηΗ the PE # yxTopoMH3BecTHoro MNa H-npeo6pa33naiHHM HcxoflHiniiM yejiOM JPW npeBpameHHH Bpa-maTanbHoro αβηχθημη b flBynanpaBjíeHHoe aKcnaabHoe NEP. nBHxeHHe COC-τβΒΛθΗΗΗΜ, ΗβπρΗΜθρ H3 BHHTa, rata μ ροτβηΗΟΗΗΟ orpaHHHHBaKmero '$ jiaHija h ynpyroe aKKyMyaiHpyjaujee ycTpoíicTBO λβυχοτοροηηθγο ^ θΜοτβηη, οοβ, ΓξΜΗβΗΗΟθ c npeoópa3yKHiHM-ncxoflHiu, uM y3JiOM, OTXHtiaKffiíeecH τθμ, utonpeodpa3yiane-HcxoflHiitníi yeejt / 8, 9, 10 / HenocpeflCTBeHHo οοθ # ηηθη cpeflyKTopoM / 6 /, a ynpyroe aKKyMynapyiagee ycT leastoTBO / 26 / οοθαμηθηο c npeodpa3OBaTejieM nepe ^ BHxeHaa / 20 /, ynpaBJíflKtuMM τορμοχθηηθμ βλθκ-ΤρΟβΒΗΓΒΤΘίΠΗ / 2 /. Second 3xeKTpoMexaHMnecKoe 3axHMHoe ycTpoiícTBO οοοτβθτοτβηη b c nyHKTOM 1 OTKnnaiomeecH τθμ, ητο penyKTop / 6 / rataHeTapiató, otísofl-Ka / 7 / κοτοροΓΟ χθοτκο eaxBaneHa κ Rafee / 8 / npeoópa3yiojJiero-HcxoflH-iqero y3xa / Q, 9, 10 /, npuneM raihca / 8 / h odBO ^ Ka / 7 / yoN-paioTCH b Kopnyce / 1 / ycTiTiTBa. Third SjíeKTpoMexaHHneoKoe 3axHMHoe ycTpoiioTBO b οοοτβθτοτβηη cnyHKTaMK 1 h 2 οτΛΗηΒ, ΜΠξβθΟΗ τθμ, ητο κ bhhtjf / 9 / npeoópa3yBiqero-HC-xoflaujero ysxa / 8, 9, 10 / 3axBaneHa Tpyda / 18 /, b pacnojioxeHHaH πολομBajiy / 3 / ^ sxeKTpo BwraTexH / 2 /, κ BHCBodoxfleHHOMy KOHuy κοτοροϋ Tpyda / 18 / ynHpaeTCH CTaKaH / 19 /, ^ hII Hecyi npeodpa3OBaTejib nepeflBHxeHna / 20 / 4. SjíeKTpoMexaHHnecKoe 3οχημηοθ yoTpoiioTso b οοοτβθτοτβηη cnyHKTaMM 1, 2 h 3, OTawarauieecH τθμ, ητο κ nepeflHeMy Koray BHHTa / 9 / saxBaneH Kopnyc / 14 / ynpyroro aKKMyMyjiHpyxanero ycTpoÉCTBa / 26 /, bkjijo-naranero em, e onpaBKy / 16 / n ynpyrnň θχβΜβκτ / 15 /, HaoaxeHHaB Ha Hea, πρΗπβΜ onpasKa / 16 / nocpe ^ cTBOM οτβρχΗΗ / 17 / b Tpyd © / 18 /, coeflHHeHa c npeoPpa3OBaTezeM nepeflBnxaHHH / 20 /. b. 3jieKTpoMexaHnnecKoe 38χημηοθ ycTpoiícTBO b qootb tot totbhh c nyHKTOM 1, OTjnnianneecn τ n, hto otiBOflKa / 7 / peflymropa / 6 / h shank 241960 -10- / 8 / npeoÓpaeyianero-HcxoflHinero ysjía / 8, 9, 10 / ηοποληθηη KaK β, qθqejioe and ynpyraií θλθμθητ / 15 / aKKyMyrapyKujero ycTpoftcTBa / 26 / Paon-jioateH- weKfly flBywi ynopHHMM maKóaMH / 24 /, b orpaHwieHHHMH npocTpaH-ΟΤΒΘ MGJKfly flByMH ΠΟΑΠΗΤΗΗΚΟΜΗ / 13 /, nOOpeflCTBOM KOTOpWC rafiita / 8 / b ynupaeTCH Kopnyce / 1 / hr graaHije (10) n-pentafluoro-hexafluoromethyl-3-yl (8,9,10). Sixth OjieKTpoMexaHHuecKoe 3a »mmho ycTpoftcTBO β οοοτβθτοτβηη gnyHKTaMM 1h 5 OTjiHnaianeecH τθμ, πτο cTepacem» / 17 / pa3Mem, CH πολομBajiy β / 3 / aneKTpoflBHraTeuifl / 2 / h οοθαηηθη ojíhom Konpo b-c npeodpa3o BaTaaeM πθρθαβηκθηηκ / 20 / ab flpyroM - c τορρβΜ raneKH / 8 /.

IlpujiojKeHne: 2 pucyHKa 241960 -11-

RNHATOHHA

3JIEKTP0MEXAHTOK0E 3A5KHMHOE yCTPOllCTBO IÍ30ópeTeHHe KacaeTca exeKTpoMexaHHuecKoro 3ημμηογο ycTpoří-CTAB, HMeranero nocTynaTejibHoe αβοθηηθ b flByx HanpaBJíemflx, npeflHa-3HaqeHHDro πρβΗϊφΐι, ΘΟΤΒΘΗΗΟ patíoTH Ha MeTajuioodpaóaTifflaHxqHX CTAN-XAX, ιμίΗ ocyigecTBJíeHíiH 3ascnMHHX onepanMĚ. 3a, b Qana H30dpeTeHHH coctoht coeflaHHH 3JieKTpoMCxaHHxiecKoro3a »HMHoro ycTpoíicTBa, β κοτοροΜ ycTpaHeHH ηθ ^ οοτβτκη cymecTByiouHXycTpoíícTB, κοτοροΘ oóecnenwBajio da nocToaHHoe Hcxo ^ ee ^ nn yc.HJine haBTOMaTHuecKoe BKJiKraeHwe αβριγητοχη npn ^ οοτμθηηη θτογο ycHJiHs, aTairace aBTOMaTwiecKoe peryopOBaHHe Heotíxo ^ hMOR ycíuniH flna sajKHMa .

Samarium b c cootbotctbhh Η300'ρβτβΗ «θΜ pemaeTGH CO3 # 3 £ aHHeMΘΛΘΚΤρΟΜΘΧΘΗΙΒϊβΟΚΟΓΟ ΰΚΗΜΗ0Γ0 yCTpOÍÍCTBa, ΚΟΤΟρΟβ COCTOHT H3 ΠΟΟΛΘ-flOBaTexbHO coeflHHeHHHX M®s # y codoti sxeKTpoflBHraTexn c πολημ bmom, peflyKTopa, npeodpa3ywro-HCXo, 4ffi4erO y3xa jfiia npeoópa3OBaHna Bpa ^ a- TejihHoro flBiffiteHMíi b qByxnanpaB.neHHoe aKcwanhHoe πθρθ, ςΒΗΚβΗΗθ η ynpy aKKyMyxHpyio ^ roro-erQ ycTpoíicTBa flByxcTopoHHero fleftcTBHH, npnxieM no-GJiepfi.ee Goepmeno c np ^ © odpa3OBaTexeM NEP BOTOHHH, ynpaBJiHKffi (HM-τορ μοχθηηθμ flBHraTexa. IlpeoópasyiaiiyB-HCXOflamHÉ yeeji oóiwho coctoht H3napa bhhtob, ο # ηη θλθμθητ κοτοροκ οοθ, β, ηηθη ο peqyKTopow η ημθθτ Bpa-juaTexhHoe ^ BnaceHMe and flpyroíi nepenBHraeTCK toxbko aKcnajibHO. B COOTBeTCTBHH C OflHHM H3 ΒΗρΗΗΗΤΟΒ Η300ρΘΤβΗΗΗ CBH3b MSSCflynpeoópa3OBaTejieM h ynpyTHM aKKyMyxHpyiaííHM ycTpoíicTBOM, οοοτοηιφίΜ:, odHxiHO H3 Kop nyca, onpaBKH, pa3MemeHH0Ě β ηθμ h ynpyroro θχθμθητβ -Nal ^ e Bcero naxeTa TapexbuaTHX- npyxwH, Haca &amp; eHHoro Ha nocxeflHeM, ocy-mecTBJíeHa CXE, gyiaujHM oópaaoiás κ βκοηοπβηο nepejpBKraiomeMycfl © xeMeHTyHcxojpnqero-npeoópasyxfflíero Yan aaKpenxen npeoópaaoBaTejib nepeflBHae-HHH, COE. HHHeHHHIi C ΟΠρΗΒΚΟβ H HOCpeflOTBOM ΗβΒ - C ynpyTHM δϋΙβΜΘΗΤΟΜ, 241960 -12- οτθπθηβ fle $ opMaiíHts κοτοροΓο oTiiMTHBaeTCH. ynpyroe aKEj ^ yzrapyioiEieeγοτροϋοτΒΟ pacnojioaceHO 3a paMKH Kopnyca 3Θχημηογο ycTpmcTBa h co-ocho 3axBaneH0 c andKchajibHO nepeflBHraianHMCH θλθμθητομ npeodpa3yianero-ncxoflffinero y3Jia. B flpyroM BapnaHTe H30dpeTeHHa ynpyrnÉ θλθμθητ aKKyMyjmpyícqe-ro ycTpoiícTBa pacnojicoseH b Kopnyce ycTpoKcTBa, NPMI oh HacajseH Haθλθμθητθ BpamaTejibHoro αβηκθηηη npeodpa3yKsnero-Hcxo, qfflnero yejia, 3 n; ec £> npeoópasoBaTejib nepeflBraeHra acecTKO 3aKpeiuieH κ HeBpainaraneíícflnáčin TOKonoflBOflHinero ycTpoiíCTBa sjíeKTpoflBHraTejia ocymecTBJíeHaCBH3 H &amp; Meatfly npeoópa3OBaTan: eM ηκοηθλβηο nepe # BnraioinHMCH θλθμθητομnpeodpa3yKxqero-HcxoflHujero y3Jia. 241960

Claims (6)

13 241960 p ReV ions vynalezu An electromechanical clamping device comprising an electric motor and a hollow shaft coupled in series with a reducer and with a basic gear node to convert a rotational movement a two-way axial movement consisting, for example, of a bolt, nut and limiting flange, and a resilient accumulator of bilateral action associated with the basic characterized in that the base transmission node (8, 9, 10) is directly connected by a reducer (6) and the flexible storage device (26) is connected to the shift converter (20) to control the stopping of the electric motor (2). An electromechanical clamping device according to claim 1, characterized in that the reducer (6) is planetary and its offset (7) is firmly attached to the nut (8), the nut (8) and the offset (7) of the reducer (6) being axially housed in the device body (1). 3. The electromechanical clamping device according to claim 1 or 2, characterized in that the bolt (9) of the base transmission node is supported by a tube (18) passing through the hollow shaft (3) of the electric motor (2), the opposite end of the tube (18) it is housed in a housing (19) which is connected to the transducer (20). Electromechanical clamping device according to claims 1 to 3, characterized in that the front end of the bolt (9) is connected to a body (14) of a flexible storage device (26) comprising a mandrel (16) with a resilient element (15) attached thereto, (16) is connected to the displacement transducer (20) by means of a shank (17) disposed in the tube (18). Electromechanical clamping device according to claim 1, characterized in that the offset (7) of the reducer (6) and the nut (8) is designed as a unitary unit, the resilient element (15) of the storage device (26) being located between the two supporting discs (24), the relative position of which is spatially limited by two axial bearings (13) by means of which the yarn (8) is housed in the body (1) and the flange (10) of the base transmission node. 6. The electromechanical clamping device according to claim 1, wherein the bristle (17) is located in the hollow shaft (3) of the electric motor (2) and is connected by one end8 to the displacement transducer (20) and the other end to the nut face (8). ). Recognized by the invention on the basis of the results of expertise, carried out by the Institute for Inventions and Improvement, Sofia, BG. 2 drawings