JP4896088B2 - Vice built-in suction table and machining center equipped with the same - Google Patents

Description

  The present invention relates to a suction table incorporating a vice and a machining center including the suction table.

Conventionally, in a machining center or the like, a suction table that fixes a workpiece to be processed by vacuum suction is used. However, the suction table has a lower fixing force than mechanical fixing means such as a vise, and the work must be in contact with the table over a large area. Can not do it. Therefore, when fixing a block-shaped work or a long work on such a suction table, a flat plate member is sucked on the table, a mechanical fixture such as a vise is installed on the flat plate member, There was a method of fixing. However, in this method, it takes time to install and adjust the position of the vise, and a flat plate member is placed on the suction table and a vise is further placed thereon, so that the work holding position is increased, and the work and the machining head It was a problem that the clearance of this could not be secured. Therefore, in Document 1, an apparatus is proposed in which a pressing member for clamping a workpiece is provided on the workpiece mounting surface of the suction table.
Japanese Patent Laid-Open No. 2005-88014

  However, the invention of Document 1 is provided with a plurality of pressing members arranged side by side on a pair of sides of the suction table, and is considered to be able to handle only a predetermined size of workpiece, and when placing a large workpiece, The pressing member may get in the way.

  The present invention has been made in view of the above circumstances, and has a function as a normal suction table, and a suction table capable of fixing a heavy work, a block-like or a long work, and a machining center including the suction table. The purpose is to provide.

  The invention according to claim 1 of the present invention comprises a workpiece placement surface having a vacuum suction function, a recess formed on the workpiece placement surface, a vise provided in the recess, and a lid for closing the recess. It is characterized by providing.

  The invention according to claim 2 of the present invention is characterized in that the lid portion has a vacuum suction function.

  According to a third aspect of the present invention, the lid body includes an upper surface plate and a lower surface plate, the upper surface plate has an adsorption hole, and the upper surface plate, the lower surface plate, or both When the suction plate has a flow groove communicating with the suction hole, the bottom plate has a connection hole communicating with the flow groove, the vise has a suction port for vacuum suction, and the lid body covers the recess. The connecting hole and the suction port communicate with each other.

  According to a fourth aspect of the present invention, the suction table according to the first, second, or third aspect is provided.

  According to the first aspect of the present invention, a heavy workpiece or a block-shaped workpiece that is not suitable for vacuum suction can be securely fixed by a vice. Moreover, if the cover is put on the concave portion, the work placement surface becomes flush, and the vice does not get in the way even when a large work is placed.

  According to the second aspect of the present invention, since the lid portion also has a vacuum suction function, it has a function equivalent to that of a normal suction table when the lid is placed on the recess.

  According to the third aspect of the present invention, since the vacuum suction flow path is formed simply by covering the lid with the recess, it takes time to switch between using the vice and using the vacuum suction function. It is not hung and can be a simple structure.

  According to invention of Claim 4 among this invention, it can be set as the machining center corresponding to the workpiece | work of various materials and shapes by providing the suction table of this invention.

  Specific configurations of the vice built-in type suction table and the machining center according to the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of the suction table of the present invention, which is partially cut away so that the vise portion can be visually recognized. FIG. 2 is a sectional view of the vise. In the following, left and right refer to the left and right direction in FIG. In the suction table of the present invention, a workpiece mounting surface 1 is provided on the upper surface of a rectangular parallelepiped casing 10, and a plurality of suction holes 11 are formed in the workpiece mounting surface 1. The suction hole 11 communicates with a vacuum suction device (not shown), whereby the work placed on the work placement surface 1 is vacuum sucked. A rectangular recess 2 is formed on the workpiece placement surface 1. Three recesses 2 are formed in parallel, and each has a vise 3. When the vice 3 is not used, the lid 5 is covered.

  The vise 3 includes a rectangular vice base 31 provided at the bottom of the recess 2, a pedestal 32 provided on both the left and right short sides of the vice base 31, a rectangular vice upper plate 33 laid horizontally on both pedestals 32, A movable body 34 that moves along the vise upper plate 33 is provided. The movable body 34 includes a sliding portion 35 through which the vice upper plate 33 passes and a nut portion 36 provided below the sliding portion 35, and the upper surface of the sliding portion 35 is lower than the workpiece placement surface 1. A screw rod 37 is screwed onto the nut portion 36, and the left end of the screw rod 37 is pivotally supported by a bearing portion 38 provided between both pedestals 32, and the right end penetrates the right pedestal 32 and is adsorbed. A handle mounting portion 39 that protrudes from the housing 10 of the table and has a substantially square cross section is formed. By attaching the handle 6 to the handle attaching portion 39 and rotating the screw rod 37, the movable body 34 moves to the left and right. When using the vise 3, the movable piece 40 is attached to the movable body 34, the fixed piece 41 is attached to the vise upper plate 33, and the work is sandwiched between the movable piece 40 and the fixed piece 41. The fixed piece 41 can be selectively attached to two locations (A position and B position in FIG. 2) of the vise upper plate 33, and the interval between the movable piece 40 and the fixed piece 41 is appropriately set according to the size of the work to be sandwiched. Can be adjusted. Furthermore, a suction port 42 for vacuum suction is provided in the vise upper plate 33, and a pipe 43 communicating with the vacuum suction device is connected from the lower side. When the vice 3 is used, this suction port 42 is connected. Is not used, and is closed by the suction palate 44.

  FIG. 3 shows a state in which the workpiece is actually clamped by the vice 3. (A) has shown the case where the small workpiece | work W1 is clamped and the case where the slightly larger workpiece | work W2 is clamped. As described above, when the workpieces W1 and W2 are large enough to fit in the recess 2, the workpieces W1 and W2 are placed on the vise upper plate 33 after appropriately selecting the position of the fixed piece 41, and are screwed by the handle. The workpieces W1 and W2 may be held between the movable piece 40 and the fixed piece 41 by rotating the rod. On the other hand, (b) shows a case where a large workpiece W3 that does not fit in the recess 2 is sandwiched. In this case, the work W3 may be installed on the work placement surface 1 and the work W3 may be sandwiched using a plurality of vices 3 as appropriate. As described above, the suction table of the present invention can securely fix a heavy work or a block-like or long work, which is generally difficult to fix by vacuum suction, with a vice.

  Next, the lid 5 will be described with reference to FIG. The lid 5 covers the recess 2 when the vice 3 is not used in the suction table. The lid 5 includes a rectangular upper plate 51 and a lower plate 52 that is also rectangular and slightly smaller than the upper plate 51. The upper surface plate 51 includes eighteen suction holes 53 arranged in three rows, screw holes 56 for joining the upper surface plate 51 and the lower surface plate 52, and screw holes 57 for fixing the lid 5 to the suction table. Is provided. On the other hand, the lower surface plate 52 has a flow groove 54 formed in a grid pattern corresponding to the position of the suction hole 53 of the upper surface plate 51 and a connection hole 55 communicating with the flow groove 54. Screw holes 58 and 59 are formed at positions corresponding to the holes 56 and 57. Further, when the lid 5 is put on the concave portion 2, a space for preventing the movable body 34 of the vice 3 from being buffered. 60 is formed. The connecting hole 55 is formed at a position corresponding to the suction hole 42 of the vise 3 so as to communicate with the lid 5 when the lid 5 is put on the recess 2. The upper body 51 and the lower panel 52 are joined by screws 61 to constitute the lid 5. When the lid 5 is put on the concave portion 2, the lid 5 is fixed to the vise upper plate 33 of the vise 3 with the screws 62.

  FIG. 5 is a side view of the state in which the lid 5 is put on the recess 2 (the screw 62 is not shown). When the above-mentioned movable piece and fixed piece are removed and the lid 5 is placed over the recess 2, the movable body 34 is fitted into the space 60, and the upper surface plate 51 and the workpiece placement surface 1 are flush with each other. Then, the connection hole 55 of the lid 5 and the suction port 42 of the vice 3 communicate with each other, so that the vacuum suction device communicates with the suction hole 53 through the pipe 43, the suction port 42, the connection hole 55 and the flow groove 54. Thus, a vacuum suction flow path is formed. In this way, the cover 5 can be provided with a vacuum suction function only by covering the cover 5 with the recess 2, so that it takes time to switch between using a vice and using the vacuum suction function. It doesn't take.

  Next, a machining center having the above suction table will be described with reference to FIG. This machining center includes two column portions 102 on a base portion 101, and a beam portion 103 is horizontally mounted between both column portions 102. An X-direction rail 104 is provided on the side surface of the beam portion 103, and a first moving body 105 is provided on the X-direction rail 104 so as to be movable in the X direction. Further, a Z-direction rail 106 is provided on a side surface of the first moving body 105, and a second moving body 107 is provided on the Z-direction rail so as to be movable in the Z direction. A processing head 108 is provided on the side surface of the second moving body 107 so as to be rotatable around the X axis. On the other hand, a Y-direction rail 109 extends from the base 101, and a suction table 100 and an ATC (automatic tool changer) 110 are provided on the Y-direction rail 109 so as to be movable in the Y direction. The machining center configured as described above can easily fix workpieces of various materials and shapes and process them freely.

  The present invention is not limited to the above embodiment. The configuration of the vise provided on the suction table may be any as long as it can hold the workpiece and can be accommodated in the recess, and the number and arrangement of the vices are appropriately determined depending on the type of workpiece to be processed. Can be set. Further, the number and arrangement of the suction holes and the shape of the flow groove in the lid can be freely set, and the flow groove may be any one that forms a flow path between the upper surface plate and the lower surface plate, and may be formed on the upper surface plate. It may be formed on both the upper surface plate and the lower surface plate, and they may be combined to form one flow path. Further, the configuration of the machining center is a general configuration as an example, and the suction table of the present invention can be installed in a machining center having various configurations.

The perspective view of the vice built-in type adsorption table of the present invention. Sectional drawing of a vice. The perspective view of the state which clamped the workpiece | work. The exploded perspective view of a lid. The side view of the vise part at the time of lid body mounting | wearing. The perspective view of a machining center provided with the suction table of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Workpiece mounting surface 2 Recessed part 3 Vice 5 Lid body 42 Suction port 51 Upper surface plate 52 Lower surface plate 53 Suction hole 54 Flowing groove 55 Connecting hole 100 Suction table

Claims (4)

  A workpiece placement surface (1) having a vacuum suction function, a recess (2) formed on the workpiece placement surface (1), a vise (3) provided in the recess (2), and the recess (2 A vise built-in type suction table.   The vise built-in type suction table according to claim 1, wherein the lid (5) has a vacuum suction function.   The lid body (5) includes an upper surface plate (51) and a lower surface plate (52), the upper surface plate (51) has an adsorption hole (53), and the upper surface plate (51) and the lower surface plate. One or both of (52) has a flow groove (54) communicating with the suction hole (53), and the lower surface plate (52) has a connection hole (55) communicating with the flow groove (54). The vice (3) has a suction port (42) for vacuum suction, and when the lid (5) is put on the recess (2), the connection hole (55) and the suction port (42) The vice built-in type suction table according to claim 2, wherein:   A machining center comprising the suction table (100) according to claim 1, 2 or 3.

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