JPH0661326U - Table device in plate processing machine - Google Patents

Abstract

(57) [Summary] [Object] An object of the present invention is to make it possible to easily adjust the height position of a free ball bearing in a table device. [Structure] A bearing support member 15 provided with a work table 7 vertically spaced apart from a table base 5 and provided with a free ball bearing 3 for rotatably supporting a plate material.
Is provided so as to be vertically swingable between the table base 5 and the work table 7, and the free ball bearing 3 is configured to project from the upper surface of the work table 7. A stopper member 27 capable of abutting the upper surface of the bearing support member 15 is provided on the side, an urging means 11 for urging the bearing support member 15 upward is provided, and the stopper is provided from above the work table 7. It is characterized in that the height position of the member 27 is adjustable.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a table device for supporting a plate material in a plate material processing machine such as a laser processing machine or a punch press.

[0002]

[Prior art]

 FIG. 2 shows a part of the table device 1 in a turret punch press as disclosed in, for example, Japanese Utility Model Laid-Open No. 58-179934. The table device 1 is provided with a large number (see FIG. 2 is provided with only one free ball bear ring 3).

Explaining the table device 1, the table base 5 is provided with a plurality of worktables 7 (only one is shown in FIG. 2) which are vertically spaced apart from each other. A plurality of hinges 11 are provided on the lower side of 7 at appropriate intervals in the left-right direction (left-right direction in FIG. 2) via mounting bolts 13. The vertical portion of each hinge 11 is integrally provided with a bare rig support member 15 that supports a plurality of free ball bearings 3 (only one is shown in FIG. 2) by welding. Is urged upward with the pin 17 as the center. The free ball bearing 3 projects above the upper surface of the work table 7 through a table hole 7a, and the table hole 7a is provided at a position corresponding to the position of the free ball bearing 3 on the work table 5.

In order to adjust the height position of the free ball bearing 3, a plurality of height position adjusting devices 19 (only one is shown in FIG. 2) are provided between the work table 7 and the table base 5. It is provided appropriately.

The height position adjusting device 19 will be described in detail. A welding nut 21 is provided by welding on the lower peripheral edge of the hole 15 a provided in the bearing support member 15. The welding nut 21 has a work table 7 attached thereto. An adjusting screw 25 having a stopper member 23 that can be abutted at an appropriate position on the lower surface of the is screwed. A fixing nut 27 is screwed onto the lower side of the welding nut 21 of the adjusting screw 25.

With the above structure, when adjusting the height position of the free ball bearing 3, after loosening the fixing nut 27, the adjusting screw 25 is rotated from below the work table 7 with a wrench to move the stopper member 23. Adjust the height position. On the other hand, since the bearing support member 15 is biased upward by the leaf spring action of the hinge 11, the stopper member 23 always abuts the lower surface of the work table 7. Therefore, by adjusting the height position of the stopper member 23, the bearing support member 15 swings up and down around the pin 17 and the height position of the free ball bearing 3 can be adjusted. After adjusting the height position of the stopper member 23, the fixing nut 27 is tightened.

[0007]

[Problems to be solved by the device]

 However, in the above-mentioned conventional table device, in order to adjust the height position of the free ball bearing 3, a hand is put between the work table 7 and the table base 5, and the adjusting screw 25, Since it is necessary to operate the fixing nut 27 to adjust the height position of the stopper member 23, there is a problem that the work is troublesome.

Therefore, an object of the present invention is to provide a table device in a plate material processing machine that can solve the above problems.

[0009]

[Means for Solving the Problems]

 In order to solve the above problems, the present invention provides a bearing support member, which is provided with a work table vertically spaced apart from a table base and has a free ball bearing for supporting a plate material in a rollable manner. The free ball bearing is provided so as to be vertically swingable between the table base and the work table, and the free ball bearing is configured to project from the upper surface of the work table. A stopper member that can abut against the upper surface is provided, urging means that urges the bearing supporting member upward is provided, and the height position of the stopper member is adjustable from above the work table. It is characterized by

[0010]

[Action]

 In the above structure, when adjusting the height position of the free ball bearing, the height position of the stopper member is adjusted from above the work table. On the other hand, since the bearing support member is biased upward by the biasing means, the upper surface of the bearing support member constantly abuts the stopper member. Therefore, by adjusting the height position of the stopper member from above the work table, the bearing support member swings in the vertical direction, and the height position of the free bearing can be adjusted.

[0011]

【Example】

 The invention according to the present embodiment will be described below with reference to the drawings.

FIG. 1 shows a part of the table device 29 of the present embodiment. As many table devices 29 as the conventional table device 1 (only one is shown in FIG. 1). It is equipped with a free ball bearing 3. The table device 29 is similar to the conventional table device 1 in that the table base 5, the work table 7 vertically separated from the table base 5 via the stand 9, and the work table 7 are provided. The bearing support member 15 and the like provided on the lower side via the hinge 11 are provided. The bearing support member 15 can swing vertically about the pin 17 of the hinge 11, and is urged upward by the leaf spring action of the hinge 11.

In order to adjust the height position of the free ball bearing 3, a plurality of height position adjusting devices 31 (only one is shown in FIG. 1) are provided between the work table 7 and the table base 5. They are provided at appropriate intervals in the left-right direction (left-right direction in FIG. 1).

The height position detection device 31 will be described in detail. A plurality of (only one is shown in FIG. 1) support blocks 33 are attached to the lower side of the work table 7 by welding at appropriate intervals in the left-right direction. Each support block 33 is provided with a screw hole 35 communicating with the hole 7b of the work table 7. An adjusting screw 39 having a stopper member 37 capable of abutting an appropriate position on the upper surface of the bearing support member 15 is screwed into the screw hole 35, and the stopper member 37 is made of an elastic body such as urethane. It is desirable to do. It should be noted that the adjusting screw 39 is provided at its upper end with an engaging portion with which a wrench can be engaged.

The height position detection device 31 includes a fixing means for fixing the stopper member 37 whose height position is adjusted to the work table 7. That is, the support block 33 is provided with a bolt hole 41 communicating with the hole 7c of the work table 7, and a fixing bolt 43 is screwed into the bolt hole 41. It should be noted that the fixing bolt 43 is provided at its upper end with an engaging portion with which a wrench can be engaged. The support block 33 is provided with a slit 45. The slit 45 divides the screw hole 35 into upper and lower parts while leaving a part thereof, and also divides the bolt hole 41 into upper and lower parts.

The operation of this embodiment will be described based on the above-mentioned configuration.

When the height position of the free ball bearing 3 is adjusted, the fixing bolt 43 is loosened from above the work table 7 with a wrench so that the plate spring action of the support block 35 is combined with the upper and lower portions of the slit 45. The height interval can be expanded, and the backlash formed between the external thread of the adjusting screw 39 and the internal thread of the screw hole 37 can be removed, so that the adjusting screw 39 can be rotated. be able to.

After the adjustment screw 39 is made rotatable, the adjustment screw 39 is rotated from above the work table 7 by means of a punch to adjust the height position of the stopper member 37. On the other hand, since the bearing support member 15 is urged upward by the leaf spring action of the hinge 11, the stopper member 37 always abuts on an appropriate position on the upper surface of the bearing support member 15. Therefore, by adjusting the height position of the stopper member 37, the bearing support member 15 swings up and down around the pin 17, and the height position of the free ball bearing 3 can be adjusted.

After adjusting the height position of the free ball bearing 3, by tightening the fixing bolt 43 from above the work table 7 with a wrench, the vertical interval of the slit 45 can be narrowed, and the backlash can be reduced. Can be bent, and the adjustment screw 39 is made non-rotatable. Thereby, the stopper member 37 can be fixed to the work table 7.

According to the present embodiment as described above, the height position of the stopper member 37 can be adjusted from above the work table 7 without putting a hand between the work table 7 and the table base 5. Therefore, the height position of the free ball bearing 3 can be easily adjusted, and the working efficiency is improved.

It should be noted that the present invention is not limited to the above description of the embodiments, but can be implemented in various other modes by making appropriate changes.

[0022]

[Effect of device]

 As can be understood from the above description of the embodiments, according to the present invention, the height position of the stopper member can be adjusted from above the work table without putting a hand between the work table and the table base. As a result, the height position of the free ball bearing can be easily adjusted, and work efficiency is improved.

[Brief description of drawings]

FIG. 1 is a diagram showing a part of a table device according to an embodiment.

FIG. 2 is a diagram showing a part of a conventional table device.

[Explanation of symbols]

 3 Free ball bearing 5 Table base 7 Work table 11 Hinge 15 Bearing support member 37 Stopper member

Claims (1)

[Scope of utility model registration request] 1. A bearing support member, which is provided with a work table vertically spaced apart from a table base and has a free ball bearing for supporting a plate material in a rollable manner, and a bearing support member between the table base and the work table in a vertical direction. To the upper surface of the work table, and a stopper member capable of abutting the upper surface of the bearing support member on the lower side of the work table. A table in a plate material processing machine, characterized in that a biasing means for biasing the bearing support member upward is provided, and the height position of the stopper member is adjustable from above the work table. apparatus.