EP0163922B1 - Appareil automatique pour le façonnage hydroplastique de pignons droits - Google Patents

Appareil automatique pour le façonnage hydroplastique de pignons droits Download PDF

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Publication number
EP0163922B1
EP0163922B1 EP85105148A EP85105148A EP0163922B1 EP 0163922 B1 EP0163922 B1 EP 0163922B1 EP 85105148 A EP85105148 A EP 85105148A EP 85105148 A EP85105148 A EP 85105148A EP 0163922 B1 EP0163922 B1 EP 0163922B1
Authority
EP
European Patent Office
Prior art keywords
hydraulic cylinder
attached
immoveably
self
machine according
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.)
Expired
Application number
EP85105148A
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German (de)
English (en)
Other versions
EP0163922A3 (en
EP0163922A2 (fr
Inventor
Georgi Kostov Dipl.-Ing. Petkov
Ivan Iliev Dipl.-Ing. Trevnenski
Georgi Ivanov Dipl.-Ing. Ivanov
Hristo Vassilev Dipl.-Ing. Todorov
Ilia Miltschev Dipl.-Ing Nankov
Nikolai Angelov Dipl.-Ing. Mitev
Nadka Marinova Dipl.-Ing. Miltscheva
Tzanjo Georgiev Dipl.-Ing. Tzanev
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.)
NPSP po Hydroplastichna Obrabotka na Metalite
Original Assignee
NPSP po Hydroplastichna Obrabotka na Metalite
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Filing date
Publication date
Application filed by NPSP po Hydroplastichna Obrabotka na Metalite filed Critical NPSP po Hydroplastichna Obrabotka na Metalite
Publication of EP0163922A2 publication Critical patent/EP0163922A2/fr
Publication of EP0163922A3 publication Critical patent/EP0163922A3/de
Application granted granted Critical
Publication of EP0163922B1 publication Critical patent/EP0163922B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/025—Special design or construction with rolling or wobbling dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work or tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/28—Making machine elements wheels; discs
    • B21K1/30—Making machine elements wheels; discs with gear-teeth

Definitions

  • the invention relates to an automatic machine for the hydroplastic machining of spur gears, which will be used in the finishing of the tooth profile of spur gears with straight and helical teeth.
  • a device for processing cylindrical bodies by means of hydroplastic deformation is known, depending on the type of die, only the inner bore can be machined with the required grade, or the outer surface is profiled and finished on the inside with the required grade (BG-A-23 783 ).
  • This device is a hydraulic press perpendicular to the movable slide, to which another device for hydroplastic processing is attached, which consists of a high-pressure hydraulic cylinder fed by a separate hydraulic cabinet.
  • a tool for the hydroplastic deformation hereinafter referred to as work tool, is movably coupled and sealed to the piston rod of the high-pressure hydraulic cylinder.
  • This working tool forms a smooth puncture with a central blind hole, which with radial channels with the tooth gaps on the outer surface of the puncture, i.e.
  • the radial channels are connected to the high-pressure chamber of the hydraulic cylinder via the central blind hole, which ensures pressure lubrication of the surface to be machined and the working tool.
  • a bandage is attached to the work table of the press, which encompasses the die and the tube blank inserted into it. The actual blank is supported at its lower end by a movable support.
  • a disadvantage of this device is that with it the finishing of the profile surface is impossible because the smooth piercing processes the bore of the blank.
  • Another disadvantage is that the device for processing spur gears and especially those with medium and large modules cannot be used because it is not possible to achieve the required degree of deformation for filling the profile with the working tool.
  • a device for machining cylindrical bodies by hydroplastic deformation, wherein depending on the type of stamp only the outer surface with the required grade or the inner cylinder surface can be profiled and the outer surface can be finally machined with the required grade (BG -A-23 782)
  • This device has a vertical hydraulic press, on the work table of which a device for hydroplastic processing is attached, which consists of a high-pressure hydraulic cylinder mounted on a foundation and fed by a separate hydraulic cabinet.
  • a work tool is arranged, which consists of a set of deformation rings, on the inner surface of which tooth gaps connected by radial channels are formed.
  • the radial channels are connected to the high pressure chamber of the hydraulic cylinder.
  • a stamp is attached to the movable slide of the press, on which the blank to be machined is attached.
  • a disadvantage of these known devices is that hydroplastic finishing of the profile surface of spur gears with straight and helical teeth is not possible.
  • Another disadvantage is that a continuous cycle of the individual processes cannot be achieved because the blanks are not fed in independently and the finished products are discharged accordingly.
  • the object of the invention is to provide a machine for hydroplastic machining of spur gears with straight and helical teeth, with which the finishing of the profile surface of the spur gears in a continuous automated cycle of the individual operations and an independent feeding of blanks and the removal of the finished products is possible is.
  • an automatic machine which consists of a vertical hydraulic press, on the work table of which a device for hydroplastic processing is attached, which has a work tool and a high-pressure hydraulic cylinder mounted on a foundation.
  • a stamp is attached to a movable slide of the vertical hydraulic press. According to the invention, the stamp is mounted in a plate attached to the movable carriage.
  • a bracket is rigidly attached to two of the columns of the vertical hydraulic press with clamps.
  • a feed device is mounted on the console, which has a roller conveyor which is connected to a first guide device and a packaging device connected to a manipulator.
  • the packaging device is connected to the manipulator by a gripper arm rigidly attached to it.
  • a counter-pressure hydraulic cylinder and a discharge device are attached, which is connected to a discharge channel for removing the finished parts.
  • the hydraulic cylinder is arranged coaxially with the working tool of the device for hydroplastic processing.
  • Two pull-out devices are attached to the top plate of the device for hydroplastic processing.
  • a second guide device is mounted on the base plate.
  • a third guide device is attached to the top plate, which is attached to the movable carriage.
  • the roller conveyor of the feed device is rigidly attached to the console.
  • the first guide device is connected to it by a rack and a spring pad, so that a Gutter is formed.
  • the first guide device is rigidly connected to the console together with a first horizontal hydraulic cylinder.
  • the packaging device has a vertical hydraulic cylinder rigidly connected to the console.
  • An interchangeable mandrel is mounted on its piston rod.
  • Jaws are pivotally mounted on the gripper arm and are connected to the body of the gripper arm.
  • a third horizontal hydraulic cylinder is attached to the fuselage.
  • a pressure hydraulic cylinder with pistons is rigidly attached to the gripper arm, on which a guide rail is mounted.
  • a plate with a vertical hydraulic cylinder is mounted on the upper part of the vertical columns.
  • Two horizontal columns are movably mounted on the slide, on the right part of which the carrier plate of the manipulator is rigidly attached.
  • a second support plate is rigidly mounted on the left part, on which a third horizontal hydraulic cylinder is rigidly attached.
  • the stamp is supported by a second thrust bearing on the plate of the movable slide.
  • a gear wheel is immovably mounted on the upper part of the stamp.
  • a second friction disk is movably attached, which is connected to the stationary gear by springs.
  • a piston rod is mounted on the piston of the back pressure hydraulic cylinder via a first axial bearing.
  • a washer is immovably brought to a groove spring and a nut.
  • a first friction disk is movably mounted in an annular channel of the piston and is pressed against the disk by vertical springs.
  • a lower elastic gear is attached to the front part of the piston rod.
  • a first guide rack of the second guide device is movably mounted on the foundation of the device for hydroplastic processing.
  • a fourth hydraulic cylinder is pivotally connected to this rack by its piston rod.
  • a first fuselage is immovably mounted on the foundation, on which a first friction wheel is movably attached, which in turn bears against a first spring connected to a first adjusting screw and a first lock nut.
  • the first adjusting screw is attached to the foundation with a lock nut.
  • a second guide rack of the third guide device is movably mounted on the plate immovably attached to the movable slide.
  • a sixth horizontal hydraulic cylinder is pivotally connected to it via its piston rod.
  • a second fuselage is immovably mounted on the plate.
  • a second friction wheel is movably attached, which rests on a pressure spring connected to a third adjusting screw and a second lock nut.
  • the third adjusting screw is attached to the plate with a lock nut.
  • a horizontal hydraulic cylinder connected to the discharge device is attached to the foundation of the device for hydroplastic processing.
  • a discharge prism is immovably mounted on its piston rod.
  • a drainage channel is immovably attached to the foundation diametrically opposite.
  • the two pull-out devices are equipped with pull-out jaws.
  • the work tool consists of a set of disc deformation elements, which are mounted immovably and sealed in a bandage.
  • the elements mentioned are provided with radial channels which are formed on their end faces and are connected to the high-pressure chamber of the hydraulic cylinder.
  • the disk deformation elements are designed with a pressure-side profile that corresponds to the profile of the blanks to be machined.
  • the elements mentioned are flattened at an angle a of 2 ° to 12 ° which forms the input part and an angle a 2 of 3 ° to 15 ° which forms the output part.
  • a calibration part with a thickness of 0.5 mm to 5 mm is arranged between these parts.
  • the disk deformation elements are provided with smooth end faces.
  • the radial channels are formed in spacers which are arranged between the elements mentioned.
  • the device for hydroplastic machining of spur gears with internal teeth, is provided with an output and an input ring gear, which are mounted on its lower or upper plate.
  • the gear wheel to be machined which is inserted in a thick-walled cylinder liner, is inserted between the output and the input ring gear.
  • the automaton according to the invention has the advantage that the finishing of the tooth profile of spur gears with straight and helical gearing can be carried out, that the productivity of work is increased and that the entire process is completely automated, starting with the feeding of the blanks up to the removal of them with high accuracy and high grade machined gears with straight and helical gearing is achieved.
  • the machine consists of a vertical hydraulic press 1, hereinafter referred to briefly as a press, on the movable carriage 2 of which a plate 3 is immovably fastened.
  • a plunger 4 is mounted in the plate 3, on which a mandrel 5 and an elastic gearwheel are immovably placed.
  • a device 8 for hydroplastic processing is mounted on the work table 7 of the press 3.
  • a console 10 is immovably attached to columns 9 of the press 3 and fastened with clamps 11.
  • a feed device is mounted, which consists of a pollen passage 12 which is immovably attached to the console 10.
  • a first guide device 15 is connected to the console 10 by a toothed rack and a spring pad 13. The rack and the spring pad 13 are assembled so that a groove is formed.
  • the first guide device 15 together with the first horizontal hydraulic cylinder 14 is rigidly attached to the bracket 10.
  • the roller conveyor 12 is connected to the first guide device 15 and to a packaging device 16, which in turn is connected to a manipulator 17.
  • the manipulator 17 consists of six vertical columns 18 mounted on the console 10.
  • a slide 19 is attached to two of them and is moved by an upper hydraulic cylinder 20.
  • two horizontal columns 21 are attached, which are set in motion by a horizontal second hydraulic cylinder 22.
  • a gripper arm 23 is rigidly connected to the horizontal columns 21 and has a third horizontal hydraulic cylinder 24, jaws 25 and a guide rail 26. Springs 27 for opening the jaws 25 are attached in the gripper arm 23.
  • the device for hydroplastic processing 8 consists of a foundation 28 which is arranged stationary on the work table 7 of the press 1.
  • a back pressure hydraulic cylinder 29 is rigidly attached to the foundation 28.
  • a piston 30 is seated in it, on which a piston rod 31 is mounted via a first axial bearing 32.
  • a first friction disk 33 is movably attached to the piston 30 and is pressed against a disk 35 by two vertical springs 34.
  • the disc 35 is fastened to the piston rod 31 by a groove spring 36 and a nut 37.
  • a second guide device 36 with a first rack 38.1 is mounted on the foundation 28.
  • the rack 38.1 is pressed by a first friction wheel 39 with a first spring 40, which are mounted on the fuselage 41.
  • the first fuselage 41 is rigidly attached to the foundation 28.
  • the first spring 40 is connected to a first adjusting screw 42 and a first lock nut 43.
  • the first adjusting screw 42 is fixed to the foundation 28 with a lock nut.
  • the leading rack 38.1 is pivotally connected to the piston rod 44 of the fourth horizontal hydraulic cylinder 45.
  • a second adjusting screw 46 and a lock nut 47 are mounted on the foundation 28.
  • Guide pillars 49 for the exact guidance of the top plate 50 of the device for hydroplastic processing 8 are immovably arranged on the foundation 28.
  • High-pressure hydraulic cylinders 51 with pressure pistons 52 movably inserted in them are arranged in the top plate 50.
  • the space enclosed between the pressure pistons 52 is connected by a system of channels 53 and a throttle 54 to a deformation space which is enclosed between a working tool 55 and a set of gear wheels 56, which in turn is closed on the upper side by an upper elastic gear wheel 57 .
  • Two pull-out devices 58 are mounted opposite one another on the top plate 50. Each of them has a pull-out hydraulic cylinder 58.1 and pull-out jaws 59.
  • a fifth horizontal hydraulic cylinder 60.1 is rigidly arranged on the foundation 28 and is connected to a discharge device 60.
  • a discharge prism 61 for removing the finished parts into a discharge channel 62 is immovably attached to the piston rod of the hydraulic cylinder 60.1.
  • the discharge channel 62 is inserted diametrically opposite the discharge prism 61 and immovably fixed to the foundation 28.
  • the stamp 4 is mounted on the plate 3 by a second thrust bearing 63.
  • a second friction disk 64 is movably mounted in a channel of the plate 3. It is printed by springs 65 against an immovable gear 66, which is held immovably by a slot spring 67 and fastened to the stamp 4 by a nut 68.
  • a second guide rack 69.1 of a third guide device 69 is movably attached, which is pressed by a second friction wheel 70, which is supported on a compression spring 71.
  • the second friction wheel 70 is movably mounted in a second fuselage 72, which is fixed immovably with respect to the plate 3.
  • the compression spring 71 is connected to a third adjusting screw 73 and a second lock nut 74.
  • the third adjusting screw 73 is fastened to the plate 3 with a lock nut.
  • the second guide rack 69.1 is pivotally coupled to the piston rod 75 of a sixth horizontal hydraulic cylinder 76.
  • a fourth adjusting screw 77 with a lock nut 78 is mounted on the plate 3.
  • the packaging device 16 has a vertical hydraulic cylinder 79 which is immovably attached to the console 10. At his A replaceable mandrel is mounted on the piston rod.
  • a pressure hydraulic cylinder is immovably attached with a piston 81 to which the guide rail 26 is attached.
  • the work tool 55 consists of disk deformation elements 82, which are immovably mounted and sealed in a bandage 83.
  • the elements mentioned are provided with radial channels 84 on their end faces, which are connected to the high-pressure chamber of the hydraulic cylinder 51.
  • the disk deformation elements 82 are designed with a pressure-side profile that is equivalent to the profile of the gear wheels 56.
  • the elements mentioned are flattened at an angle Q of 2 ° to 12 ° which forms the input part 85 and an angle a 2 of 3 ° to 15 ° which forms the output part 86.
  • a calibration part 87 with a value of 0.5 mm to 5 mm is accommodated between these parts.
  • the disk deformation elements 82 are designed with smooth end faces.
  • the radial channels 84 are designed as spacer disks 88, which are arranged between the disk deformation elements 82.
  • the machine works as follows: on the roller conveyor 12, gearwheels are continuously inserted one by one up to the spring pad 13.
  • a gear 56 is brought into the packaging position by the piston rod of the first horizontal hydraulic cylinder 14. It is forcibly rotated by the rack of the first guide device 15 and merges into the groove formed by the spring pad 13 and the rack.
  • the gear wheel 56 is raised by the piston rod of the horizontal hydraulic cylinder 79 and the exchangeable mandrel 80 and comes between the jaws 25, its tooth gap being guided onto the guide rail 26.
  • the jaws 25 are clamped by the pistons of the third horizontal hydraulic cylinder 24.
  • the piston rod of the horizontal hydraulic cylinder 79 returns to its lower end position.
  • the piston of the first horizontal hydraulic cylinder 14 delivers a new aligned blank for packaging.
  • the third horizontal hydraulic cylinder 24 is switched off.
  • the Bak ken 25 are opened under the action of the springs 27.
  • the rack of the vertical hydraulic cylinder 79 moves upward, the new gear 56 lifting the previous one.
  • Both gearwheels 56 - reach between the jaws 25 with a tooth gap aligned by the guide rail 26.
  • the third horizontal hydraulic cylinder 24 is switched on.
  • the jaws 25 clamp the lower gear 56.
  • the piston rod of the vertical hydraulic cylinder 79 goes into its lower end position.
  • the number of cycles is determined by a cycle counter. It is previously set to the number corresponding to the number of gears required for packaging in the jaws 25.
  • the finished package is brought into the space of the hydroplastic processing device 8 by the manipulator 17, describing a right-angled path.
  • the pressure hydraulic cylinder 29 is in the upper end position, the upper end face of the lower elastic gear 48 lying in the plane of the upper end face of the top plate 50.
  • the carriage 2 is set in motion downwards.
  • the mandrel 5 is inserted into the opening of the gear set 56.
  • the carriage 2 is stopped before the lower end face of the upper elastic gear 57 with the gear set 56.
  • the jaws 25 are opened.
  • the piston of the pressure hydraulic cylinder 81 moves the guide rail 26 into the tooth gap of the gear set 56 and the upper elastic gear 57 for exact alignment with respect to the work tool 55.
  • the carriages 2 move downward, the gear set 56 entering the work tool 55.
  • the lower elastic gear 48 closes the deformation space and prevents the outflow of the lubricant that occurs under high pressure, which has arisen in the high-pressure hydraulic cylinders under the action of the deformation force.
  • the piston rod 31 of the counter-pressure hydraulic cylinder 29 moves downward.
  • the gear set 56 reaches the upper end face of the foundation 28.
  • the lower elastic gear 48 enters an opening in the foundation 28, its upper end face being aligned with that of the foundation 28.
  • the pull-out jaws 59 are moved forward by the pull-out hydraulic cylinders 58. 1 of the pull-out device and clamp the top gear from the gear set 56.
  • the carriage 2 moves upwards, the mandrel 5, together with the upper elastic gearwheel 57, passing back through the working tool 55 and stopping in the upper end position.
  • the pull-out hydraulic cylinders 58.1 of the pull-out device 58 release the uppermost gearwheel 56 by retracting the pull-out jaws 59.
  • the fifth horizontal hydraulic cylinder 60.1 moves the gear set 56 in the discharge channel 62 through the discharge prism 61 and brings the discharge prism 61 back into the rear end position.
  • the manipulator 17 returns on a rectangular path.
  • the jaws 25 go into the starting position; being a packaging of the new en gear set 56 is executed during machining. This ensures maximum adaptation of the work and auxiliary processes.
  • the lubricating fluid supplied from an external hydraulic cabinet fills the high-pressure hydraulic cylinders 51 and lifts the top plate 50 up to the starting position, which is delimited by the guide columns 49.
  • the stored ram 4 and piston 31 of the counter-pressure hydraulic cylinder 29 allow self-adjustment of the toothed wheel set 56 compared to the tooth gaps of the working tool 55 during the machining process.
  • the first spring washer 33 and the second spring washer 64 immobilize the punch 4 and the piston rod 31 when no machining is taking place.
  • This method of working is used when machining spur gears with straight teeth.
  • the automatic cycle is the same, but the edge of the guide rail 26 forms a helical line.
  • the carriage 2 moves downward, the machining takes place, the teeth of the toothed wheel set 56 being guided in the tooth gaps of the working tool 55, the plunger 4 and the piston rod 31 moving freely around the common axis.
  • the first 38.1 and the second 69.1 guide rack are in the rear end position.
  • the second guide rack 69.1 is disengaged from the stationary gear 66.
  • the second guide rack 69.1 is set in motion by the sixth horizontal hydraulic cylinder 76 through the piston rod 75, the functions of the fourth adjusting screw 77 with a lock nut 78 and the second friction wheel 70 with the compression spring 71, the third adjusting screw 73 and the second lock nut 74 being analogous of those described above.
  • the second rack guide 69.1 After switching on the operation of the punch 4 and after the engagement of the gear set 56 in the working tool 55, the second rack guide 69.1 returns to the rear end position, whereby it is disengaged from the stationary gear 66.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Press Drives And Press Lines (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Claims (13)

1. Automate pour l'usinage hydroplastique de pignons droits, constitué d'une presse hydraulique verticale (1) à la table de travail (7) de laquelle est fixé un dispositif pour usinage hydroplastique (8) comportant un outil de travail (55) et un vérin hydraulique à haute pression (29) fixé à une embase (28), un poinçon (4) étant fixé à un chariot mobile (2), caractérisé en ce que le poinçon (4) est monté dans un plateau (3) fixé rigidement par rapport au chariot mobile (2), en ce que sur deux des colonnes de la presse hydraulique verticale est installée rigidement, par des colliers (11), une console (10) sur laquelle est monté un dispositif d'alimentation comportant un transporteur à rouleaux (12) relié à un premier dispositif de guidage (15) et un dispositif de mise en paquet (16) relié à un manipulateur (17) par l'intermédiaire d'un bras de préhension (23) fixé rigidement à celui-ci, en ce que sur l'embase (28) du dispositif pour usinage hydroplastique sont montés un vérin hydraulique antagoniste (29) et un dispositif d'évacuation (60) relié à un canal d'évacuation (32) pour évacuer les pièces finies, le vérin hydraulique (29) étant disposé coaxiale- ment avec l'outil de travail (55) du dispositif d'usinage hydroplastique, en ce que deux dispositifs d'extraction (58) sont fixés sur un plateau supérieur (50) du dispositif pour usinage hydroplastique, en ce qu'un second dispositif de guidage (38) est monté sur son embase (28), et en ce qu'un troisième dispositif de guidage (69) est fixé sur le plateau (3) qui est fixé au chariot mobile (2).
2. Automate selon la revendication 1, caractérisé en ce que le transporteur à rouleaux (12) du dispositif d'alimentation est fixé rigidement à la console (10), et en ce que le premier dispositif de guidage (15) lui est relié par l'intermédiaire d'une crémaillère et d'un appui élastique (13) disposés de telle sorte qu'il se forme un canal, le premier dispositif de guidage (15) étant fixé rigidement à la console (10) conjointement avec le premier vérin hydraulique horizontal (14).
3. Automate selon la revendication 1 ou 2, caractérisé en ce que le dispositif dé mise en paquet (16) comporte un vérin hydraulique vertical fixé rigidement à la console (10), et en ce qu'un mandrin amovible (80) est disposé sur la tige de piston de ce vérin.
4. Automate selon l'une des revendications 1 à 3, caractérisé en ce que sur le bras de préhension (23) sont prévues des mâchoires pivotantes (25) reliées au corps du bras de préhension (23) auquel est fixé un troisème vérin hydraulique horizontal (24), un vérin hydraulique de pression comportant un piston (81) étant fixé au bras de préhension (23) tandis qu'un rail de guidage (26) est prévu sur le piston.
5. Automate selon l'une des revendications 1 à 4, caractérisé en ce que six colonnes verticales (18) sont fixées rigidement à la console (10), un coulisseau étant monté mobile sur deux d'entre elles, et en ce qu'un plateau comportant un vérin hydraulique vertical supérieur (20) est monté sur la partie supérieure des colonnes verticales (18), deux colonnes horizontales (21) étant montées mobiles sur le coulisseau (19) tandis que le plateau support du manipulateur (17) est fixé rigidement à une (à droite) des parties de ces colonnes et qu'un second plateau support sur lequel est monté rigidement un troisième vérin hydraulique horizontal est immobilisé rigidement à une autre (à gauche) de leurs parties.
6. Automate selon l'une des revendications 1 à 5, caractérisé en ce que le poinçon (4) est monté sur le plateau (3) du chariot (2) par l'intermédiaire d'un second palier axial (63), et en ce qu'une roue dentée immobile (66) est prévue à la partie supérieure du poinçon (4), un deuxième disque de friction relié par des ressorts (65) à la roue dentée immobile (66) étant monté mobile dans un canal annulaire du plateau (3).
7. Automate selon l'une des revendications 1 à 6, caractérisé en ce qu'une tige de piston (31) est montée sur le piston (30) du vérin hydraulique antagoniste (29) par l'intermédiaire d'un premier palier axial (32), un disque (35) étant fixé rigidement à son extrémité inférieure par l'intermédiaire d'une clavette (36) et d'un écrou (37), en ce qu'un premier disque de friction (33) appliqué contre le disque (35) par des ressots verticaux (34) est monté mobile dans un canal annulaire du piston (30), et en ce qu'une roue dentée élastique inférieure (48) est montée à la partie avant de la tige de piston (31).
8. Automate selon l'une des revendications 1 à 7, caractérisé en qu'une première crémaillère de guidage (38,1) du second dispositif de guidage (38) est montée mobile sur l'embase (28) du dispositif pour usinage hydroplastique en ce qu'un premier vérin hydraulique horizontal (45) lui est relié par l'intermédiaire de sa tige de piston (44), et en ce qu'un premier corps (41) dans lequel un premier galet de friction (39) est fixé de manière mobile est monté immobile sur l'embase (28), le premier galet de friction s'appuyant contre un premier ressort (40) relié à une première vis de réglage (42) et à un contre-écrou (43), la première vis de réglage (42) étant fixée à l'embase (28) par un contre-écrou.
9. Automate selon l'une des revendications 1 à 8, caractérisé en ce qu'une seconde crémaillère de guidage (69.1) du troisième dispositif de guidage (69) est fixée rigidement au plateau (3), rigidement par rapport au chariot (2), en ce qu'un sixième vérin hydraulique horizontal (76) lui est relié de manière orientable par l'intermédiaire de sa tige de piston et en ce qu'un second corps (72) dans lequel un deuxième galet de friction (70) est fixé de manière mobile est monté immobile sur le plateau (3) le second galet de friction s'appuyant contre un ressort de compression (71) relié à une troisième vis de réglage (73) et à un second contre-écrou (74), la troisième vis de réglage (73) étant fixée au plateau par un contre-écrou.
10. Automate selon l'une des revendications 1 à 9, caractérisé en ce qu'à l'embase (28) du dispositif pour usinage hydroplastique est fixé rigidement un cinquième vérin hydraulique horizontal (60.1) relié au dispositif d'évacuation (60), et sur la tige de piston duquel un prisme d'évacuation (61) est monté immobile, un canal d'évacuation (62) diamétralement opposé à celui-ci étant prévu immobile sur l'embase (28).
11. Automate selon l'une des revendications 1 à 10, caractérisé en ce que les deux dispositifs d'extraction (58) sont munis de mâchoires d'extraction (59).
12. Automate selon l'une des revendications 1 à 11, caractérisé en ce que l'outil de travail (55) est constitué d'un jeu d'éléments de forage en forme de disques (82) montés immobiles et rendus étanches dans un bandage (83), ces éléments étant pourvus ce canaux radiaux (84) formés sur leurs faces frontales et reliés à la chambre haute pression du vérin hydraulique à haute pression (51), les éléments de formage en forme de disques (82) ayant un profil, du côté pression, qui correspond au profil des pignons à usiner (56) et étant aplanis sous un angle a1 de 2° à 12° qui forme la partie d'entrée (85) et sous un angle a2 de 3° à 15° qui forme la partie de sortie (86), une partie de calibrage (87) d'une épaisseur de 0,5 mm à 5 mm étant disposée entre ces parties.
13. Automate selon l'une des revendications 1 à 11, caractérisé en ce que les éléments de formage en forme de disques (82) présentent des surfaces frontales lisses, et en ce que des canaux radiaux (84) sont prévus dans des disques intermédiaires (88) disposés entre les éléments de formage en forme de disques (82).
EP85105148A 1984-04-27 1985-04-26 Appareil automatique pour le façonnage hydroplastique de pignons droits Expired EP0163922B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BG8465277A BG38811A1 (en) 1984-04-27 1984-04-27 Automate for hydroplastic processing of cylindric toothed wheel
BG65277/84 1984-04-27

Publications (3)

Publication Number Publication Date
EP0163922A2 EP0163922A2 (fr) 1985-12-11
EP0163922A3 EP0163922A3 (en) 1987-10-07
EP0163922B1 true EP0163922B1 (fr) 1989-07-12

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EP85105148A Expired EP0163922B1 (fr) 1984-04-27 1985-04-26 Appareil automatique pour le façonnage hydroplastique de pignons droits

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EP (1) EP0163922B1 (fr)
JP (1) JPS60247435A (fr)
BG (1) BG38811A1 (fr)
DD (1) DD256610A7 (fr)
DE (1) DE3571404D1 (fr)
HU (1) HUT37896A (fr)
SU (1) SU1593974A1 (fr)
UA (1) UA7011A1 (fr)

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CN100369694C (zh) * 2004-11-15 2008-02-20 天津市天锻压力机有限公司 大型液态模锻液压机生产线
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CN102632130B (zh) * 2012-04-12 2015-03-25 南通市腾达锻压机床厂 一种锻造液压机冲孔装置
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DE102016102429A1 (de) * 2016-02-11 2017-08-17 Ecoroll Ag Werkzeugtechnik Walzvorrichtung zum Walzen von Werkstücken mit Verzahnung und zugehöriges Verfahren
DE102016102429B4 (de) * 2016-02-11 2021-02-11 Ecoroll Ag Werkzeugtechnik Walzvorrichtung zum Walzen von Werkstücken mit Verzahnung und zugehöriges Verfahren
US11638981B2 (en) 2016-02-11 2023-05-02 Ecoroll Ag Werkzeugtechnik Rolling device for rolling work pieces having a toothing, and associated method

Also Published As

Publication number Publication date
UA7011A1 (uk) 1995-03-31
HUT37896A (en) 1986-03-28
DD256610A7 (de) 1988-05-18
DE3571404D1 (en) 1989-08-17
JPS60247435A (ja) 1985-12-07
SU1593974A1 (ru) 1990-09-23
EP0163922A3 (en) 1987-10-07
BG38811A1 (en) 1986-03-14
EP0163922A2 (fr) 1985-12-11

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