JP2008207298A - Coolant intrusion prevention device of film lapping device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a coolant intrusion prevention device of a film lapping device constituted by assembling a pair of opening and closing arms supporting shoe assembly bodies and arm opening and closing devices attached to the opening and closing arms integrally to prevent coolant from being scattered and intruding among the opening and closing arms and side plates during film lapping and prevent a fulcrum shaft from being broken. <P>SOLUTION: This coolant intrusion prevention device is provided with a pair of side plates 24, 24 fixed to a module main body, a pair of opening and closing arms 6, 6 supported rotatably on a bearing 3 fixed to the center of the pair of side plates 24, 24, the shoe assembly bodies 5, 5 having a pair of comparatively rigid concave faces supported on each opening and closing arm 6, 6, and a clamp cylinder 7 for opening and closing each arm. A pair of air flow-in ports 30 and an air injection port 32 for jetting air blow 33 between the pair of side plates 24 and 24 by passing through a communicating hole 31 from the air flow-in ports 30 are provided on upper and lower sections on a side of the clamp cylinder 7 for opening and closing arm of the module main body 21. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention has a relatively rigid concave surface that is brought into contact with and pressed against the surface of a workpiece such as a steel pipe or automobile part having a processed surface that is rotated by the abrasive-coated surface of a relatively incompressible abrasive-coated film. The present invention relates to a coolant intrusion prevention device for a film wrap device in which a pair of opening / closing arms for supporting a shoe assembly and an arm opening / closing device attached to the opening / closing arm are assembled as an interchangeable arm module.

A shoe assembly having a relatively rigid concave surface that comes into contact with and presses the surface of a workpiece such as a steel pipe or automobile part having a processed surface that is rotated by an abrasive coated surface of a conventional relatively incompressible abrasive coated film. For example, Patent Document 1 discloses a coolant intrusion prevention device for a film wrap device in which a pair of open / close arms supporting a solid body and an arm open / close device attached to the open / close arm are assembled as an integrally replaceable arm module. In Patent Document 1, a pair of opening / closing arms that support a shoe assembly having a relatively rigid concave surface that is rotatably supported by a main body and an arm opening / closing device attached to the opening / closing arm are integrally replaced. Cover the side cover and the front part of the film wrap device consisting of an integrated cassette body assembled as a possible arm module. An upper cover provided to cover the arm base cover and a top, had a coolant intrusion preventing device.
Japanese Patent Laid-Open No. 2007-7778

  However, a film wrap device in which a pair of opening / closing arms that support the conventional shoe assembly having a relatively rigid concave surface and an arm opening / closing device attached to the opening / closing arm is assembled as an integrally replaceable arm module. In the coolant intrusion prevention device, the coolant scatters during film wrap processing, and the coolant intrudes between the open / close arm and the side plate, causing the fulcrum shaft to break.

  An object of the present invention is to provide a film wrap device in which a pair of opening and closing arms that support a shoe assembly having a relatively rigid concave surface and an arm opening and closing device attached to the opening and closing arms are assembled as an interchangeable arm module. It is an object of the present invention to provide a coolant intrusion prevention device for a film wrap device in which the coolant scatters during film wrap processing, the coolant does not enter between the open / close arm and the side plate, and the fulcrum shaft is not damaged.

  Therefore, the present invention is an arm module that is detachably assembled to the machine body, and each arm module is fixed so as to sandwich the module module and the upper and lower middle plates fixed to the module body. A pair of side plates, a pair of open / close arms rotatably supported at the center of the pair of side plates, and a polishing material-coated surface of a relatively incompressible abrasive-coated film supported by each of the open / close arms. A shoe assembly having a pair of relatively rigid concave surfaces to be brought into contact with and pressed against the shaft surface of an object and an arm opening / closing device attached to the opening / closing arm are assembled as an integrally replaceable arm module, and the arm of the module body An air jet that blows air blow between the pair of side plates through the communication hole from the air inlet and the pair of air inlets on the upper and lower sides of the switchgear side Has solved the problems of the conventional products described above by providing a coolant intrusion preventing device of the film wrap apparatus characterized in that a mouth.

  With such a configuration, a pair of shoes having a pair of relatively rigid concave surfaces that contact and press the abrasive-coated surface of the relatively incompressible abrasive-coated film supported by each open / close arm against the shaft surface of the workpiece. A three-dimensional structure and an arm opening / closing device attached to the opening / closing arm are assembled as an integrally replaceable arm module, and a pair of air inlets and a communication hole from the air inlet are provided on the upper and lower sides of the module body on the arm opening / closing device side. Since an air outlet for ejecting air blow is provided between the pair of side plates, even if coolant is scattered during film wrap processing, the air blow is ejected from the air outlet between the open / close arm and the side plate. Providing a coolant intrusion prevention device for a film wrap device in which coolant does not enter and the fulcrum shaft is not damaged It became.

  Preferably, a plurality of the arm modules are mounted on the machine body so as to process a plurality of shaft surfaces of a workpiece including a crankshaft so that a plurality of shaft workpiece surfaces can be processed at a time. did.

  Embodiments of the present invention will be described with reference to the drawings. FIG. 1A is a schematic elevational side view of a coolant intrusion prevention device for a film wrap device according to an embodiment of the present invention, and FIG. 1B is a right side view in which an arm opening / closing clamp cylinder is omitted as viewed from the direction of arrow B. FIGS. 2A and 2B show the locus of the journal center 2a of the workpiece 2 held by the shoe assemblies 5 and 5 supported by the opening and closing arms 6 and 6 of the arm module 20 of FIG. 1A and the revolving pin center 4a. FIG. 3 shows a movement locus of the locus of the bearing center 3a moved in response to the axis of the workpiece to be rotated, and FIG. 3 shows that a plurality of shaft surfaces of the workpiece including the crankshaft can be machined at one time. The principal part top view of the tape wrap apparatus which mounts the arm module of Fig.1 (a) consisting of two or more is shown.

  In the coolant intrusion prevention device for a film wrap device according to the embodiment of the present invention shown in FIG. 1, the arm module 20 is an arm module 20 that is detachably assembled to the machine body 10 (FIG. 3). The module 20 includes a module main body 21, a pair of linear motion slides 11 and 12 fixed above and below the module main body 21, and upper and lower intermediate plates fixed to the movable portions 11 a and 12 a of the pair of linear motion slides 11 and 12. A pair of side plates 24, 24 fixed so as to sandwich it between 22, 23 (a pair of side plates 24, 24 may be directly fixed to the module body 21), and fixed to the center of the pair of side plates 24, 24 A pair of open / close arms 6 and 6 supported rotatably on the bearing 3 and supported so as to be movable in the Z-axis direction toward the workpiece 2 via the movable parts 11a and 12a of the pair of linear motion slides; , Ratios supported by the open / close arms 6 and 6, respectively. Non-compressible abrasive-coated film 1 A pair of relatively rigid concave surfaces 5 and 5 and open / close arms 6 and 6 that press the abrasive-coated surface of the workpiece 2 in contact with the shaft surface of the workpiece 2 The arm module 20 has an arm opening / closing clamp cylinder 7 (may be a ball screw) that is an arm opening / closing device fixed to the end portion of the anti-shoe assembly, and the arm module 20 is a module that can be exchanged integrally with the machine body 10 The air blow 33 is jetted between the pair of side plates 24 and 24 through the communication hole 31 from the air inlet 30 and the air inlet 30 on the upper and lower sides of the clamp cylinder 7 for opening and closing the arm of the module body 21. An air outlet 32 is provided. The trajectory of the journal center 2a of the workpiece 2 held by the shoe assemblies 5 and 5 supported by the opening and closing arms 6 and 6 of the arm module 20 of FIG. 1A shown in FIG. 2 and the revolving pin center 4a. As shown in the explanatory view showing the locus of the bearing center 3a moved in response to the axis of the rotated workpiece, when the workpiece 2 is rotated and revolved, the axis center 3a is shown in FIG. From the position 3a to the pair of linear motion slides 11 and 12, the pin center 4a is moved to the position 4c in the Z-axis direction and to the position 3c.

  With such a configuration, in the coolant intrusion prevention device of the film wrap device according to the embodiment of the present invention, the abrasive coating surface of the relatively incompressible abrasive coating film supported by each opening / closing arm is used as the shaft surface of the workpiece. Assembling the shoe assembly having a pair of relatively rigid concave surfaces to be brought into contact with and pressing, and the arm opening / closing clamp cylinder 7 which is an arm opening / closing device attached to the opening / closing arm as an interchangeable arm module, A pair of air inlets and an air outlet for blowing air blow between the pair of side plates from the air inlets are provided on the upper and lower sides of the arm opening / closing device side of the module body. Even if the air scatters, the air blown out from the air outlet will cause the coolant between the open / close arm and the side plate. Not be input, it was intended to provide a coolant intrusion preventing device of the absence film wrap apparatus fulcrum shaft is damaged.

  In the coolant intrusion prevention device for a film wrap device according to an embodiment of the present invention, the arm module 20 shown in FIG. 1 includes a pair of linear motion slides 11 and 12 fixed to the cassette body 21, the cassette body 21, and an arm opening / closing clamp cylinder. Since 7 is made narrower and thinner, as shown in the top view of the main part of FIG. 3, the plurality of shaft surfaces of the workpiece are aligned with the plurality of shaft surfaces of the workpiece including the crankshaft. A multi-film wrap device 30 equipped with a plurality of arm modules 20 of FIG. 1 that can be processed at a time can be provided.

(A) is a schematic elevation side view of the arm module 20 of the coolant intrusion prevention device of the film wrap device of the embodiment of the present invention, and (b) omits the clamp cylinder for opening and closing the arm as viewed from the direction of arrow (a). A right side view is shown. The trajectory of the journal center 2a of the work piece 2 held by the shoe assemblies 5 and 5 supported by the opening and closing arms 6 and 6 of the arm module 20 in FIG. The movement locus of the locus of the bearing center 3a that is moved in response to the axis of the workpiece is shown. The principal part top view of the film wrap apparatus which mounts several arm modules of Fig.1 (a) so that the several axial surface of the workpiece containing a crankshaft can be processed at once is shown.

Explanation of symbols

1: Abrasive coated film, 2: Workpiece, 3: Bearing, 3a: Bearing center, 5: Shoe assembly 6: Open / close arm, 7: Clamp cylinder for opening / closing arm, 10: Machine body
11, 12: Linear motion slide, 11a, 12a: Linear motion slide 11, 12 movable part
20: Arm module, 22, 23: Middle plate, 24, 24: Side plate, 30: Air inlet, 31: Communication hole
32: Air outlet, 33: Air blow

Claims (2)

  Each of the arm modules is detachably assembled to the machine body, and each arm module includes a module body and a pair of side plates fixed so as to sandwich the upper and lower middle plates fixed to the module body. A pair of open / close arms rotatably supported at the center of a pair of side plates and a relatively non-compressible abrasive-coated film supported by each open / close arm in contact with the surface of the workpiece shaft. A shoe assembly having a pair of relatively rigid concave surfaces to be pressed and an arm opening / closing device attached to the opening / closing arm are assembled as an integrally replaceable arm module, and 1 above and below the arm opening / closing device side of the module body. A pair of air inlets and an air outlet through which air blows are ejected between the pair of side plates through the communication holes from the air inlets; Coolant intrusion preventing device of the film wrap device according to symptoms.   A plurality of the arm modules are mounted on the machine body so as to process a plurality of shaft surfaces of a workpiece including a crankshaft, and a plurality of shaft workpiece surfaces can be processed at a time. 2. The coolant intrusion prevention device for a film wrap device according to claim 1, wherein

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