una máquina estampadora y/o troqueladora de pliegos de lecho plano() para el Info: Patent citations (10); Cited by (2); Similar documents; Priority and. The first patent application for the use of shape memory alloys in frames for glasses goes back to and since then numerous patent applications were made. Info: Patent citations (5); Cited by (1); Similar documents; Priority and Related Applications; External links: Espacenet · Global Dossier · Discuss.
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The present invention relates to a press or punch with a press body which has at least two frame portions spaced press each other, between which is arranged movably a estammpadora press estampacora performing a pressing process, whereby the press ram at least two pressure zones, and with a device for transfer of workpieces between the pressure zones and wherein the device comprises a holding device, preferably formed as gripper, for the workpieces and at least one actuator for moving the clamping device, the device actuating at least one magnetic linear drive.
Una prensa de este tipo se conoce, por ejemplo, gracias al documento DE 06 A1. A press of this type is known, for example, from DE 06 A1. This publication describes a device for transferring workpieces through a series of processing stations of a press, the device having a holding device for taking the workpieces.
The clamping device can be moved by a principle of magnetic linear motors. The press described herein further comprises a press body with two spaced columns each other, between which is movably arranged a press ram, which has several estampadira zones, to carry out a pressing process. However, a press of this type, the space between columns can not take full advantage for pressure zones, so that the space that is available for the pressure zones is limited. The invention the problem of improving a press or punch of the aforementioned type, particularly to allow a better use extampadora space between the columns of the press, so that it is available pressure zones greater for dimensions arises unmodified of press or the press can be more compact structure.
The problem is solved according to the invention by a press or punch with a press body of the aforementioned type, in which at least one of the actuators is arranged at least in sections, on the side remote from male press one of the sections of the press esatmpadora.
This solution has the patenhe that there is more space for areas of llanos and the ;atente can be structured more compact. In a estampaxora embodiment can be provided various drive devices. In this way you can increase the mobility of the fastener in the tool installation space. It may also be advantageous that the drive devices are arranged in the two patentr press frame since, as a result, an even better use of space is possible and therefore a more compact construction of the press.
When the magnetic linear drives of the drive devices each have a primary part with a carriage motor and a guiding device for the primary part, the operating devices can be structured even more compactly. It may be advantageous that the guide device is formed as a guide rail. An arrangement is possible an even more compact design of the press. It may also be advantageous that the guiding device presents a secondary part of the linear drive because, as a result, the press can be structured even more compactly.
When, with at least one of the actuators, the holding device can be moved in the stroke direction of the press ram, it can be easier workpiece within the press further transport. It may also be advantageous, with at least one of the actuators, the holding device can move transversely with respect to the stroke direction of the press ram. In this way you can further improve the transfer of workpieces. Also advantageous may be demonstrated, with at least one of the actuators, the holding device can move transversely with respect to an imaginary line connecting sections handling.
Thanks to this you can ensure an even easier estampadoea of the workpiece. It may be advantageous that the guiding devices extend along the moving direction assigned in each case of the fastening device.
Then the press can be structured even more compact. In an advantageous development of the invention the trolleys of a linear drive motor may be connected to the guide carriage of the other linear drive, which are no longer needed and intermediate gears is possible even more compact design. It can be shown also advantageous that the guiding device pagente the linear drive, with which can move planps holding device in elevation direction, is arranged on the press frame.
Thanks to this type of construction can be structured even more compact. Furthermore, it may be advantageous that the press or punch present a support device acting in the stroke direction of the press ram, which supports the assigned linear drive.
Gracias a estampsdora se planis superar con el accionamiento lineal grandes fuerzas en ambas direcciones de movimiento.
Grabado y corte de cuero con láser
As a result they can be overcome with the linear drive large forces in both directions of movement. It may be advantageous for the support device is operated pneumatically. This makes it possible to overcome, with favorable costs, comparatively large forces with a comparatively small linear drive. Puede ser asimismo ventajoso que el dispositivo de apoyo presente por lo menos un cilindro de fuelle. May also be advantageous for the support device has at least one bellows cylinder.
Thus it is also possible to structure the press even more compactly. Furthermore, it may be advantageous that the operating devices are structured identical to the transverse axis with respect to the imaginary connecting line between sections press frame and shaft towards lifting the press ram, as a result you can further reduce manufacturing costs.
It can also be shown as favorable that the drive devices are arranged above a tape input. It is therefore possible to structure even more compact constructive form of the press. De esta manera se puede aprovechar de manera flexible p. Thus one can take advantage of flexibly p. Removal of parts, etc. In an advantageous development of the invention the actuating devices may be arranged, in the direction of the connecting line between the press frame sections in the plane of the fastener.
ES2323677T3 – Method for manufacturing spectacle frames and / or parts. – Google Patents
It is therefore possible to exclude games and deformations bends, inclinations and operate the driven shafts with more dynamic. When the carriage motor has a braking device, plabos carriage motor can be maintained in position also energized state.
It is also advantageous that the braking device present a tightening device, since as a result, in case of an emergency disconnection, can contribute to the rapid stop motor carriage. In a preferred embodiment can be arranged in the carriage, in the direction of lifting the press ram, crossbeams extending transversely with patenfe to the lifting direction, whereby a greater distance possible between the clamping devices for large workpieces.
Furthermore, it may be advantageous that the guiding devices with assigned motor trucks are formed as runners. Thus it is possible guiding rigidity even higher for motor cars. Furthermore, it can be shown to be advantageous that the guiding devices with assigned motor trucks are formed as roller guides.
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Thanks to this can further increase the rigidity guide for motor cars. It may be advantageous that the clamping device is formed by two guide rails which can be spaced from one another and can be moved towards each other. Con ello se puede formar, de manera sencilla, un dispositivo de agarre. This can be formed simply, a gripping device. Pstente an advantageous development of the invention the holding device can be formed by the guide rails estampxdora in a direction transverse to the stroke direction of the press ram and between the two press frame portions.
In this way it is possible an even more compact design of the press.
It may also prove advantageous that the gripping device is formed by guide devices, formed as grab rail of the linear drives extending in a direction transverse to the axis of elevation, between the two body sections press. As a result the press may be structured even more compact. It may also be advantageous that the clamping device is arranged in a raised position of the press ram, between the press ram and a table top, as this is possible thanks to an even more compact design.
Furthermore, it can be shown to be advantageous if the retaining device present several clamping sections, which can be moved towards each other. Gracias a ello las piezas de trabajo pueden ser sujetas en varias posiciones. As a result the workpieces estampadoa be secured in various positions. It may be advantageous that the press frame sections have openings and the drive of estwmpadora clamping device protrudes through the openings in the press frame sections.
Therefore the embodiment can be structured even more compact. It may also be advantageous that the planoz motor patennte connected to the guide rail via a coupling device. In this way it is possible an improved clamping device protection against damage. Furthermore, it may be advantageous that a carriage guide is fixedly connected with the guide rail, because thanks to it continues to increase stiffness. The guide carriage can then serve as an adapter for guide rail, to enable adaptation to the installation situation in each case.
It can also be shown to be advantageous when the coupling device presents a spherical element and the spherical element is movably mounted in a device housing the motor carriage or guide carriage and is arranged under pretension, against the device housing motor carriage or guide carriage assigned in each case.
As a result the coupling device may be formed as a safety device against overloading which, for too large to take the workpiece forces, separates the guide carriage carriage motor and thereby protects the device even better grip against damage. The invention is explained below in greater detail using an example of embodiment and esrampadora accompanying drawings, in which: Figure 1 shows a front view of a press 1 according to the invention. At the lower edge of the image are described directions of the axes.
The elevation axis direction of the press ram 5 is designated in which follows as axis Z. The transverse axis with respect to the stroke direction of the press ram 5 and transverse to the length of imaginary connection olanos body sections press 3, 4 is designated in what comes to as Y axis axis parallel to the imaginary connecting line between the press frame portions 3, 4 is designated hereinafter axis X.
The press 1 has a press body 2 with a body section press 3, 4 right and left. Entre las dos secciones de cuerpo de prensa 3, 4 se encuentra el macho de prensa 5 con una zona de prensado 6. Between the two body sections press 3, 4 is the press ram 5 with a pressing zone 6.
A press 1 according to the invention has, usually, several pressure zones 6.
The press 1 further comprises a table top In the body section press 3 right is a drive device 7, which has a carriage motor Z 13, a linear motor Z, formed by a primary part 15 and secondary part 16 and a linear drive in the direction X not shown.
Furthermore, guide devices 9 and 10 are arranged in the press frame section 3. In addition, it illustrates a cross section body The press 3 right with detached parts are explained in greater detail in Esgampadora 2. The body section 4 press left, which is explained in more detail in Figure 3, is constructed approximately in mirror symmetry with respect to the body section 3 right press. Alternativamente, se pueden montar en la unidad de accionamiento 8 asimismo accionamientos lineales.
The body section press 4 left shows a drive unit 8, guidance devices 11, 12, a carriage motor Z pztente direction, a linear motor Z, formed by primary part 17 and secondary part It is plznos shown a crossbar However, the drive unit 8 left no, against the drive unit 7 left linear estamoadora in any direction X.
Alternatively, they can be mounted on the drive unit 8 also linear drives.
Un carril de agarre es movido entonces por accionamientos lineales 2x. A grab rail is then moved by linear drives 2x. This would then be available twice driving force and greater dynamics. La abertura 21 forma al mismo tiempo una entrada de cinta In the two body sections press 3, 4 are arranged openings 21, 22 which are above the table top The opening 21 forms an entry while tape They are also represented rails grip 29, 30 which are formed by rails drive 23, 24, center rails 25, 26 and guide rails 27, Rails drive 23, 24 protrude through the opening 21 and right guide rails 27 and 28 through the opening 22 left.
Como se puede ver bien en la Figura 1, se encuentran el dispositivo de accionamiento 7, 8 y las partes pertenecientes a ella en un lado 33 alejado del macho de prensa 5. Grip rails 29, 30 are arranged between the press ram 5 the table top 32 and extend in the direction X.