CS264835B1 - Steping mechanism - Google Patents

Steping mechanism Download PDF

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Publication number
CS264835B1
CS264835B1 CS871505A CS150587A CS264835B1 CS 264835 B1 CS264835 B1 CS 264835B1 CS 871505 A CS871505 A CS 871505A CS 150587 A CS150587 A CS 150587A CS 264835 B1 CS264835 B1 CS 264835B1
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CS
Czechoslovakia
Prior art keywords
feed lever
vertical
support
frame
vertical support
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Application number
CS871505A
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Czech (cs)
Slovak (sk)
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CS150587A1 (en
Inventor
Ladislav Ing Repac
Pavol Cupka
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Ladislav Ing Repac
Pavol Cupka
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Application filed by Ladislav Ing Repac, Pavol Cupka filed Critical Ladislav Ing Repac
Priority to CS871505A priority Critical patent/CS264835B1/en
Publication of CS150587A1 publication Critical patent/CS150587A1/en
Publication of CS264835B1 publication Critical patent/CS264835B1/en

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Abstract

Účelom riešenia je umožniť přesný krokový pohyb pravítok rysovacej tabule. Uvedeného účelu sa dosiahne krokovacím mechanizmom umiestneným vo zvislom suporte pantografu, ktorý pozostáva z uzavretého rámu otočné uloženom vo zvislom suporte, v ktorom je na čapě otočné- uložená posúvacia kladka, spojená prostredníctvom valčekovej spojky s podávacou pákou. Na čapě je tiež upravená pružina pre vracanie podávacej páky do póvodnej polohy. Oproti volnému konců rámu je v stene zvislého suportu umiestnená přítlačná skrutka a pod podávacou pákou je vo výčnělku zvislého suportu umiestnená nastavovacia skrutka.The purpose of the solution is to allow accurate stepping movement of ruler ruler. This purpose is achieved by stepping mechanism placed in a vertical support pantograph, which consists of a closed frame rotatably mounted in vertical support, in which the shifting is mounted on the pivot pulley connected by roller clutch with feed lever. On the The pin is also a modified spring for vomiting feed lever to the downstream position. against the free ends of the frame is vertical in the wall a support screw placed under the support and the like the feed lever is in the protrusion vertical adjusting screw placed on the slide.

Description

(57) Účelom riešenia je umožniť přesný krokový pohyb pravítok rysovacej tabule. Uvedeného účelu sa dosiahne krokovacím mechanizmom umiestneným vo zvislom suporte pantografu, ktorý pozostáva z uzavretého rámu otočné uloženom vo zvislom suporte, v ktorom je na čapě otočné- uložená posúvacia kladka, spojená prostredníctvom valčekovej spojky s podávacou pákou. Na čapě je tiež upravená pružina pre vracanie podávacej páky do póvodnej polohy. Oproti volnému konců rámu je v stene zvislého suportu umiestnená přítlačná skrutka a pod podávacou pákou je vo výčnělku zvislého suportu umiestnená nastavovacia skrutka.(57) The purpose of the solution is to allow accurate stepping of the drawing board rulers. This is accomplished by a stepping mechanism disposed in a vertical support of the pantograph, which consists of a closed frame rotatably mounted in a vertical support in which a pusher roller is rotatably mounted on the pivot, connected to the feed lever via a roller coupling. A spring is also provided on the pin to return the feed lever to the original position. In contrast to the free ends of the frame, a pressure screw is placed in the wall of the vertical support and an adjusting screw is located under the feed lever in the projection of the vertical support.

CS 264 835 B1CS 264 835 B1

Vynález rieši krokovaní mechanizmus, vhodný pre posuv pravítok rysovacej tabule vo zvislej súradnici.The invention provides a stepping mechanism suitable for moving the rulers of a drawing board in a vertical coordinate.

Známe rysovacie tabule sú vybavené pantografmi, ktoré nezabezpečujú rovnoměrný krokový pohyb ani v jednej súradnici, čím vzn.ikajú pri šrafovaní resp. pri riadkovaní zvýšené nároky na přesný odhad posúvania pravítok zo strany konstruktéra.The known drawing boards are equipped with pantographs which do not ensure uniform step movement in a single coordinate. Increased demands for accurate ruler shifting by the designer.

Uvedené nevýhody odstraňuje krokovací mechanizmus podlá vynálezu, ktorého podstata spočívá v tom, že na zvislom suporte pantografu je prostredníctvom kolíka otočné uložený uzavretý rám, v ktorom je na čapě otočné uložená posúvacia kladka. Táto jer na jednom čele opatřená ozubením, prostredníctvom ktorého je spojená s krúžkom, na ktorom je nasunutá podávacia páka, v ktorej je upravená valčeková spojka. Oproti volnému konců rámu je v stene zvislého suportu umiestnená přítlačná skrutka a pod podávacou pákou je vo výčnělku zvislého suportu umiestnená nastavovacia skrutka. Na čapě je upravená pružina, ktorej jeden koniec je ukotvený v ráme a druhý jej koniec sa opiera o spodnú časť podávačej páky.The above-mentioned disadvantages are overcome by the stepping mechanism according to the invention, which consists in that a closed frame is pivotably mounted on the vertical pantograph support by means of a pin, in which a displacement roller is mounted on the pivot pin. This is provided on one face with a toothing by means of which it is connected to a ring on which a feed lever is slid in which a roller coupling is provided. In contrast to the free ends of the frame, a pressure screw is placed in the wall of the vertical support and an adjusting screw is located under the feed lever in the projection of the vertical support. A spring is provided on the pin, one end of which is anchored in the frame and the other end of which is supported by the lower part of the feed lever.

Výhoda krokovacieho mechanizmu je v tom, že stláčaním podávacej páky sa zvislý suport pantografu posúva vopred nastavenou dlžkou kroku, čo umožňuje dosiahnúť rovnoměrné rysovanie riadkov, připadne vyšrafovanie rezovej plochy na výkrese.The advantage of the stepping mechanism is that, by depressing the feed lever, the vertical pantograph support is shifted by a predetermined step length, which allows for uniform line drawing or a cross-sectional cross-sectional drawing in the drawing.

Příklad prevedenia krokovacieho mechanizmu je znázorněný v čiastočnom řeze na přiloženo™ výkrese.An exemplary embodiment of a stepping mechanism is shown in partial section in the accompanying drawing.

Krokovací mechanizmus je upravený v uzavretom ráme J5> ktorý je prostredníctvom kolíka 4 otočné uložený vo zvislom suporte 2 pantografu s držiakom 2 pravítok. V ráme 2 je na čapě 2 otočné uložená posúvacia kladka 7_, ktorá má na jednom čele ozubenie 2> prostredníctvom ktorého je spojená s krúžkom 9, na ktorom je nasunutá podávacia páka 10, v ktorej je upravená valčeková spojka 21· Oproti volnému konců rámu 5 je v stene zvislého suportu 2 umiestnená přítlačná skrutka 13 a pod podávacou pákou 22 je vo výčnělku 1S zvislého suportu 2 umiestnená nastavovacia skrutka 24. Na čapě 2 je upravená pružina 12, ktorej jeden koniec je ukotvený v ráme 2 a druhý jej koniec sa opiera o spodnú časť podávacej páky 22.· Do činnosti sa krokovací mechanizmus uvedie přítlačnou skrutkou 13, zaskrutkovaním ktorej sa přitlačí posúvacia kladka na vodiacu tyč 2· Stlačením podávacej páky 10 až na nastavovaciu skrutku 14 sa prostredníetvom valčekovej spojky 11 pootočí posúvacia kladka 7 a keáže je v styku s vodiacou týčou 2 posunie sa celý zvislý suport 2 spolu s držiakom 2 pravítok o jeden krok. Do póvodnej polohy sa podávacia páka 22 vrátí pomocou pružiny 12. Pri spStnom pohybe podávacej páky 10 nie je valčeková spojka 11 v zábere a tým sa zvislý suport 2 nevracia do póvodnej polohy. Velkost zdvihu podávacej páky 10 a tým aj dlžka kroku sa nastaví vysúvaním nastavovacej skrutky 21·The jogging mechanism is provided in a closed frame 15 which is rotatably supported by a pin 4 in a vertical pantograph support 2 with a ruler holder 2. The frame 2 j e Cape 2 swivel mounted running rollers 7_ having on one face gear 2> by means of which is connected to the ring 9 on which is pushed feeding lever 10, which is a modified roller clutch 21 · Compared to the free end of the frame 5 is a vertical wall of the support 2 is placed a screw 13 and the pressure under the feeding lever 22 is a protrusion 1S vertical carrier 2 disposed set screw 24 on the pin 2 e j modified spring 12, one end of which is anchored in the frame 2 and the other end of which is • The stepping mechanism is actuated by a thrust screw 13, by screwing the push roller onto the guide bar 2. is in contact with the guide rod 2 the entire vertical support 2 is moved together with the ruler holder 2 by one en step. The feed lever 22 is returned to the original position by means of a spring 12. When the feed lever 10 is retracted, the roller clutch 11 is not engaged and thus the vertical support 2 does not return to the original position. The stroke size of the feed lever 10 and hence the step length is adjusted by extending the adjusting screw 21.

Claims (1)

PREDMET VYNÁLEZUOBJECT OF THE INVENTION Krokovací mechanizmus vyznačený tým, že na zvislom suporte (1) pantografu je prostredníctvom kolíka (4) otočné uložený uzavretý rám (5), v ktorom je na čapě (6) otočné uložená posúvacia kladka (7), opatřená na jednom čele ozubením (8), prostredníctvom ktorého je spojená s krúžkom (9), na ktorom je nasunutá podávacia páka (10), v ktorej je upravená valčeková spojka (11), pričom oproti volnému konců rámu (5) je v stene zvislého suportu (1) umiestnená přítlačná skrutka (13), pod podávacou pákou (10) je vo výčnělku (15) zvislého suportu (1) umiestnená nastavovacia skrutka (14) a na čapě (6) je upravená pružina (12) ktorej jeden koniec je ukotvený v ráme (5) a druhý jej koniec sa opiera o spodnú časť podávacej páky (10).Jogging mechanism characterized in that a closed frame (5) is rotatably mounted on a vertical support (1) of the pantograph by means of a pin (4), in which a sliding roller (7) is rotatably mounted on a pin (6). ), by means of which it is connected to a ring (9), on which a feed lever (10) is inserted, in which a roller clutch (11) is provided, while pressing against the free ends of the frame (5) is located in the wall of vertical support (1) screw (13), under the feed lever (10) is located in the protrusion (15) of the vertical support (1) adjustment screw (14) and on the pin (6) is arranged spring (12) whose one end is anchored in the frame (5) and the other end resting on the lower portion of the feed lever (10).
CS871505A 1987-03-06 1987-03-06 Steping mechanism CS264835B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS871505A CS264835B1 (en) 1987-03-06 1987-03-06 Steping mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS871505A CS264835B1 (en) 1987-03-06 1987-03-06 Steping mechanism

Publications (2)

Publication Number Publication Date
CS150587A1 CS150587A1 (en) 1988-12-15
CS264835B1 true CS264835B1 (en) 1989-09-12

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CS150587A1 (en) 1988-12-15

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