TH47787A - Deformation of the thin-walled body - Google Patents

Abstract

DC60 Thin-walled bodies, such as containers, are clamped at the gripping station. And forming tools Get access to connect to Change the shape of the body wall at the preset area. Allotted area The advance has been arranged in one line. Together with the formation tools with the way of coordinating motion Together of the forming tools (Typical of Rotation around the forming tool axis) before the connection. With thin-walled trunk walls, such as containers that have been clamped at the holding station And forming tools Get access to connect to Change the shape of the body wall at the preset area. Allotted area The advance has been arranged in one line. Together with the formation tools with the way of coordinating motion Together of the forming tools (Typical of Rotation around the forming tool axis) before the connection. Against the wall

Claims (7)

1. The method of deforming a thin-walled body (1) which consists of: i) clamping the body firmly at the clamping station (4); ii) deforming the body wall at a predetermined wall region, at the forming tool station (7) adjacent to the clamping station (4) during deformation; which is characterized by the forming tool (10) being connected to the body wall at the predetermined wall region and that the predetermined wall region is aligned with the forming tool (10) by means of coordinated movement of the forming tool (10) prior to the deformed connection to the body wall (1). 2. The method under Recusation 1 where: i) the alignment of the forming tool (10) with the predefined wall region is performed by the rotational motion of the forming tool (10) around its axis of rotation; and/or ii) where the thin-walled body (1) is composed of a cylindrical thin-walled body in which the predefined wall region is composed of a predefined wall region on the circumference of the body; and/or iii) the alignment of the forming tool (10) with the body (1) is performed entirely, mostly by the coordinated motion of the forming tool (10), with the body (1) remaining firmly held and in a fixed position; and/or iv) the deformation forming tool (10) is not acted to hold or anchor the body (1) during the deformation process; and/or v) the forming tool (10) is moved in a direction transverse to the centerline of the body (1) axis to connect with and result in the deformation of the skin region. (1) The predetermined position and/or vi) the forming tool (10) is moved forward in the axial direction of the cylindrical body to a position where the forming tool parts are positioned adjacent to the circumferential wall of the cylindrical body (1). 3. The method under Recusation 1 or 2, in which the forming instrument consists of an inner forming instrument (11) shaped to be positioned inside the body (1) and an outer forming instrument (13) shaped to be positioned outside the body (1), which should be used: i) the wall region is clamped between the inner and outer forming instrument (11,13) to cause the wall region to deform, the inner forming instrument (11) expands from its collapsing insertion/retraction position, and/or ii) the inner and outer forming instrument (11,13) can move independently of their transverse direction to the body wall, and/or iii) the wall deformation force is acted on the inner and outer forming instrument (11,13) at a force acting area spaced axially across the body on opposite sides of the wall region to be deformed, and/or iv) the inner and outer forming instrument (11,13) are supported at the near end. Relative to the forming tool station (10), the far end of each forming tool part (11a; 11b; 13a) has a deformation component. The deformation force is acted between the far end and the near end of each forming tool part (11,13). 4. Any of the methods under the preceding claims in which: i) the forming tool for deformation (10) does not result in deformation by rolling connection to the wall; and/or ii) the forming tool has pre-defined embossed or outlined profiles (12,14) for transferring the deformation according to the pre-defined profile to the wall area; and/or iii) the forming tool (10) is composed of an inner forming tool piece (11) shaped to be positioned inside the body (1) and an outer forming tool piece (13) shaped to be positioned outside the body (1). The forming tool pieces (11,13) are made to be aligned to ensure that the desired deformation pattern is produced in the wall area; and/or iv) the forming tool (10) is brought into a sliding position inward and outward position in line with the wall of the body (1) to result in deformation of the wall area; and/or v) the forming tool (10) includes a supporting base material or a aligned curved surface. To be positioned continuously against the body wall when the profile of the embossed section of the forming tool results in deformation. 5. Any of the methods under the preceding claims where: i) the position of one or more pre-placed marks on the surface of the body (1) is evaluated while the body (1), fixed in the clamping station (4) by the forming instrument (10), is repositioned at the forming instrument station (7), where it should be used: a) the optical alignment system (60) is used to evaluate the position of the pre-placed marks (31) on the surface of the body (1), where it should be used the optical alignment system combined with full image recognition alignment and/or, b) the position of the pre-placed marks (31) is compared to the base reference position and appropriate adjustments are made to the forming instrument (10) to make it conform to the base reference position and/or ii) the forming instrument (10) is repositioned in a rotating manner. The forming instrument (10) can be rotated in both clockwise and counterclockwise directions, where it should be used the position of one or more pre-placed marks (31). The markings on the body surface are evaluated while the body is fixed in the clamping station (4). The position of the pre-placed markings (31) is compared to the base reference position, and appropriate rotational adjustments are performed on the forming tool (10) to align it to the base reference position. The evaluation is performed by considering whether clockwise or counterclockwise rotation toward the base reference is the shortest path, and rotation of the forming tool (10) in the direction of the shortest path is performed, and/or iii) the forming tool station (7) is incorporated with one station in a multi-station forming method. Other stations perform one or more methods of conduit formation, drawing, flattening, extrusion, varnishing, surface printing, inward drawing, and/or cutting to length of the cylindrical body, and/or iv) the body (1) fixed in the clamping station (4) is transferred (in a manner that should be chosen by determining the index of the row of the fixed container) between a number of forming stations arranged to transform the body wall into a deformable shape. Different shapes and/or to perform different functions on the torso (1) 6. Equipment for deforming the thin-walled body (1), which includes: i) the clamping station (4) for clamping the body (1) in a tight grip; ii) the forming tool station (7) which includes the forming tool (10) to deform the body (1) at a predetermined wall region. The forming tool station (7) is positioned adjacent to the clamping station (4) during deformation; it is characterized by the inclusion of evaluation pathways (60, 70) for evaluating the body orientation of the cylindrical body relative to a reference position (reference base); and iii) pathways for coordinated movement to reshape the forming tool (10) to align with the predetermined wall region prior to the deformation connection of the forming tool (10) to the body after the body orientation has been evaluated by the evaluation pathways. 7. Equipment under claim 6 in which: i) the clamping station (4) is positioned to: a) clamp the body (1) to prevent rotation of the body while clamped at the clamping station (4), and/or b) clamp the thin-walled cylindrical body (1), and/or c) maintain a firm clamp on the container during the connection for the formation of the forming tool (10), and/or ii) the forming tool (10) can be rotated around the forming tool's axis of rotation to reshape it to align with the predefined wall area, and/or iii) the evaluation path (60, 70) evaluates the position of one or more pre-placed markers (31) on the body (1), which should then be used: The evaluation path (60, 70) includes a path for comparing the position of one or more pre-placed markers (31) with the reference base position. And appropriate adjustments are made to the positioning of the forming tool (10) to align it with the base reference position and/or the evaluation path (60, 70) assesses whether clockwise or counterclockwise rotation of the forming tool (10) is the shortest path to the base reference and/or iv) the forming tool station (10) is provided in a multistage forming apparatus and/or v) a multiposition forming tool station (16) is provided, which includes a number of different forming tool stations (10) for different operations on one or each body (1) and/or vi) the apparatus is indexed to send one (or several) cylindrical bodies sequentially up to each forming tool station and/or vii) the apparatus is operationally controlled to determine the forming tool and clamping stations (10, 4) to position the body in a forward motion for deformation operations and to position the body in a backward motion before and after deformation.