CS218601B1

CS218601B1 - Equipment for automatic moving and tilting of the welding mirror when welding butt welding tubes

Info

Publication number: CS218601B1
Application number: CS775980A
Authority: CS
Inventors: Dusan Cencak; Frantisek Khandl
Original assignee: Dusan Cencak; Frantisek Khandl
Priority date: 1980-11-17
Filing date: 1980-11-17
Publication date: 1983-02-25

Abstract

Zariádenie pre automatické presúvanie a vyklá panie zváracieho zrkadla pri zváraní rúr z plastov na tupo. Zariádenie pódia vynálezu má na priečnom suporte pevne uchytený prvý hriadel, na ktorom je otočné uložená objímka majúca na jednej straně držiak, v ktorom je uchytené zváracie zrkadlo. Na druhej straně objímkamá vyklápacípalec, ktorý vo východzej polohe zváracieho zrkadla je opretý o opomý valček otočné uchytený na druhom hriadeli, ktorý je uložený v dvoch držiakoch pevne uchytených na priečnej fréme. Ďalej na priečnom suporte je pevne uchytené vodidlo pre ďalšie uchytenie zváracieho zrkadla a tiež je uchytené tiahlo hydraulického valca slúžiaceho pre automatické presúvanie a vyklápanie zváracieho zrkadla z východzej polohy do zahrievacej polohy a opačné. Vynález sa využije pre zvýšenie technologie zvárania rúr z plastov na tupo. Z hradiska bezpeč nosti práce vynálezomsa odstráni náhodné popálenie obsluhy zváracím zrkadlomDevice for automatic movement and tilting of the welding mirror when butt welding plastic pipes. The device of the invention has a first shaft firmly attached to the transverse support, on which is rotatably mounted a sleeve having on one side a holder in which the welding mirror is mounted. On the other side of the sleeve has a tilting thumb, which in the initial position of the welding mirror is supported by a supporting roller rotatably mounted on the second shaft, which is mounted in two holders firmly mounted on the transverse frame. Furthermore, a guide is firmly attached to the transverse support for further mounting of the welding mirror and also a hydraulic cylinder rod is attached serving for automatic movement and tilting of the welding mirror from the initial position to the heating position and vice versa. The invention will be used to improve the technology of butt welding plastic pipes. From the point of view of work safety, the invention eliminates the possibility of accidental burns to the operator by the welding mirror.

Description

Vynález sa využije pre zvýšenie technologie zvárania rúr z plastov na tupo. Z híadiska bezpečnosti práce vynálezom sa odstráni náhodné popálenie obsluhy zváracím zrkadlom. 218601 3The invention will be used to increase the butt welding technology of plastic tubes. From the point of view of occupational safety, the accidental burns of the operator by the welding mirror are eliminated. 218601 3

Vynález sa týká zariadenia pre automatické presúvanie a vyklápanie zváracieho zrkadla pri zváraní rúr z plastov na tupo.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for automatically moving and tilting a welding mirror when welding plastic tubes to butt.

Doteraz presúvanie a vyklápanie zváracieho zrkadla z priestoru ohřevu sa robilo ručně tak, že zváracie zrkadlo sa uchopilo za rukováť a posunulo sa ž priestoru ohřevu a vyklopilo sa okolo oši otáčania. Takto bolo riešené presúvanie a vyklápanie zváracieho zrkadla len u malých neautomatizovaných zváračiek. Z hfadiska bezpečnosti práce bolo nevýhodou, že obsluha prichádzala do bezprostředné j blízkosti zváracieho zrkadla, čím pri určitej neopatrnosti mohlo dójsť k popáleniu obsluhy. Ďalej pri malých neautomatizovaných zváračkách bolo zváracie zrkadlo vysunuté z držiaku a odložené mimo zváračky, čím znova bola ohrozená obsluha z dóvodov popálenia. U poloautomatických a automatických zváračiek ručné presúvanie a vyklápanie zváracieho zrkadla z priestoru ohřevu nevyhovuje z dóvodov příliš krátkého medzióperačného času medzi nahrievacím cyklom ,a vlastným zváracím cyklom, ktorý nebol váčší ako 3 sekundy. Ďalšou nevýhodou bolo zvýšené rfebezpečie úrazu obsluhy pri automatizovanom zváracom cykle z dóvodov nedostatočného odhadu medzioperačného času počas zváracieho cyklu.Until now, the moving and tilting of the welding mirror from the heating space was done by hand so that the welding mirror was grasped by the handle and moved over the heating space and swung around the turning eye. In this way, the transfer and tilting of the welding mirror was solved only in the case of small non-automated welding machines. From the point of view of occupational safety, the disadvantage was that the operator came to the immediate vicinity of the welding mirror, which could result in burns to the operator under certain caution. Further, in the case of small non-automated welding machines, the welding mirror was pulled out of the holder and placed outside the welding machine, thereby again jeopardizing the operation of the burns. For semiautomatic and automatic welding machines, manual shifting and tilting of the welding mirror from the heating space does not satisfy the reasons for the too short intermediate time between the heating cycle and the actual welding cycle, which was not greater than 3 seconds. A further disadvantage was the increased risk of operator injury in the automated welding cycle from the reason for the lack of estimation of the inter-operation time during the welding cycle.

Uvedené nevýhody sa vynálezom do značnej miery odstránia. Podstata vynálezu spočívá v tom, že zariadenie podfa vynálezu má na priečnom suporte pevne uchytený prvý hriadef, na ktorom je otočné uložená objímka majúca na jednej straně držiak, v ktorom je uchytené zváracie zrkadlo. Na druhej straně obj ímka má vyklápací palec, ktorý vo východzej polohe zváracieho zrkadla je opretý o oporný valček otočné uchytený na druhom hriadeli, ktorý je uložený v dvoch držiakoch pevne uchytených na priečnej fréme. Ďalej na priečnom suporte je pevne uchytené vodidlo pre ďalšie uchytenie zváracieho zrkadla a tiež je uchytené tiahlo hydraulického valca slúžiaceho pre automatické presúvanie a vyklápanie zváracieho zrkadla z východzej polohy do zahrievacej polohy a opačné.These disadvantages are largely eliminated by the invention. SUMMARY OF THE INVENTION The invention is based on the fact that the device according to the invention has a first shaft fixedly mounted on the cross-member, on which a sleeve is mounted which has a holder on one side in which the welding mirror is attached. On the other hand, the sleeve has a tilting thumb, which in the initial position of the welding mirror is supported on a support roller rotatably mounted on the second shaft, which is supported in two holders firmly attached to the transverse frame. Further, a guide for a further attachment of the welding mirror is fixedly mounted on the cross slide, and a rod of the hydraulic cylinder for automatic displacement and tilting of the welding mirror from the starting position to the heating position and vice versa is attached.

Vynálezom sa dosiahnu viaceré výhody. Odstráni sa zásah obsluhy v medzioperačnom čase, čím sa zaručí u poloautomatického a hlavně automatického zvárania maximálny medzioperačný čas, maximálně 3 sekundy. Obsluha sa móže věnovat’ sledovaniu jednotlivých operácii počas zvárania a tým upriamiť pozornost’ na vonkajšie ukazovatele kvality zvaru, ako například sledovanie tvaru a velkosti zvarového výronu. Z bezpečnostného hfadiskaThere are several advantages to the invention. Operator intervention in inter-operative time is eliminated, thus ensuring a maximum inter-operative time of up to 3 seconds for semi-automatic and, in particular, automatic welding. The operator can devote attention to individual operations during welding and thus draw attention to external weld quality indicators, such as tracking the shape and size of the weld spout. From the security point of view

Claims

Apparatus for automatically moving and tilting a welding mirror for butt welding plastics pipes, characterized in that it has a first shaft (2) fixedly attached to the transverse support (1), on which a sleeve (3) having a rotatably mounted sleeve (3) exposed to accidental contact with the welding mirror in the event of manual movement and tilting of the welding mirror. From the technological point of view, when repeating a larger number of welds, there is a different inter-operative time during the manual manipulation of the welding mirror and thus different welds with regard to their strength, which is eliminated in semi-automatic and automatic welding.

An exemplary embodiment of the invention is shown in the accompanying drawings, in which: FIG. 1 is a partial cross-sectional view of the device of the present invention; and FIG.

2 shows a device according to the invention with a welding mirror in the heating position.

The device according to the invention has a first shaft 2 fixedly mounted on the transverse support 1, on which a sleeve 3 is rotatably mounted having a holder 4 on one side in which the welding mirror 5 is mounted. On the other hand the sleeve 3 has a tilting thumb 6 The welding mirror 5 is supported on a support roller 7 rotatably mounted on the second shaft 8, which is mounted in two holders 9 firmly attached to the cross frame 10 of the welding machine. Further, on the transverse support 1, a guide 11 is fixedly attached for further mounting of the welding mirror 5, and also a rod 12 of the hydraulic cylinder 13 serving for automatically moving and tilting the welding mirror 5 from its initial position to the heating position and vice versa.

The welding mirror 5 is fixedly fixed in the holder 4, which forms a compact unit with the sleeve 3 and the tilting thumb 6. The sleeve 3 rotatably mounted on the first shaft 2 allows the welding mirror 5 to be swiveled to its starting position by means of a tilting thumb 6 and an opaque roller 7 rotatably mounted on the second shaft 8. The second shaft 8 is received in two holders 9 attached to the transverse frame 10 of the welding machine. The guide 11 serves to hold the welding mirror 5 during the heating of the oven 15 retained in the sleeve 16. To resilient the welding mirror 5 when returning to its initial position, a silencer 14 is attached to the transverse frame 10 of the welding machine. The automatic movement and tilting of the welding mirror 5 from the starting position to the heating position of the welding mirror 5 is enabled by a hydraulic cylinder 13, the rod 12 of which is attached to the cross slide 1 slidably mounted on the cross frame 10 of the welding machine.

The invention will be used to enhance butt welding technology of plastic pipes. From the point of view of occupational safety, the invention eliminates accidental burning of the operator with a welding mirror.

BACKGROUND OF THE INVENTION on one side of the holder (4) in which the welding mirror (5) is mounted, on the other side the sleeve (3) has a tilting thumb (6) which is rotatably supported on the supporting roller (7) mounted on the second shaft (8), which is mounted in two holders (9) fixed to the transverse frame (10) of the welding machine, further to the transverse support (1) a fixed guide (11) for further mounting of the welding mirror (5); also a tie rod (12) of the hydraulic cylinder (13) serving for automatically moving and tilting the welding mirror (5) from the initial position to the heating position and vice versa is attached.