JPS63224899A - Press device - Google Patents

Abstract

PURPOSE:To safely perform the detachment of a work by a worker by composing so that an auxiliary table may return to a work setting part after completion of the working as well as an auxiliary table amounting a work is moved to a pressing part as the time when both push button switches are simultaneously pushed. CONSTITUTION:A table 1 is equipped with a auxiliary table driving mechanism 7 sliding the auxiliary table 5 mounting a work between a work setting part 1b and pressing part 1a. The table 5 is moved to the pressing part 1a by setting the work on the table 5 located at the setting part 1b and simultaneously pushing push button switches 6a, 6b. When an air cylinder 2 for pressing is then actuated, a press shaft 3 is descended to subject the work to pressing. On completion of pressing, the table 5 is moved to the setting part 1b to automatically take the work off. Thus the press operation having no risk of the fingers of a worker being pinched can be realized.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a press device that presses a workpiece placed on a table.

[Background Art 1 Conventionally, this type of press equipment that presses a workpiece placed on a table has a table on which the workpiece is placed and a press shaft placed above the table that rotates vertically. There is a type of press that is formed by a press air cylinder that is moved up and down, and a workpiece that is set at a predetermined position on a table is pressed using the press shaft of the press air cylinder. By the way, in such a press machine, the workpiece is placed on the press section set on the table directly below the press air cylinder, and the press work is performed. There is a problem in that the worker's hand gets inside the processing section, making it easy for accidents such as hands and fingers to get caught.
Further, when setting a workpiece in the press processing section, there is a problem that the press shaft gets in the way, making it difficult to set the workpiece, resulting in poor press working efficiency.

[Purpose of the Invention] The present invention has been made in view of the above points, and its purpose is to prevent accidents in which workers' hands and fingers are caught during press work. It is an object of the present invention to provide a press device which can facilitate work setting work and improve work efficiency.

DISCLOSURE OF THE INVENTION] (Structure) The present invention is formed by a table on which a work is placed, and a press air cylinder which is arranged above the table and whose press shaft can move up and down in the vertical direction, In a press device that presses a workpiece on a table using a cylinder, a press air cylinder is arranged above the rear of the table, the rear of the table is used as a press processing section, and the front section of the table in front of the press section is A workpiece set part is provided, and an auxiliary table on which the workpiece is placed is provided on the table so that it can be slid freely between the workpiece set part and the press processing part, and a pair of auxiliary tables are provided on the table so that the press work is performed by pressing. push button switches are placed on the left and right ends of the front of the table, and when both push button switches are pressed at the same time, the auxiliary table on which the work is placed is moved to the press processing section, and the press processing is completed. This machine is equipped with an auxiliary table drive mechanism that drives the auxiliary table so that it is later returned to the work setting section, which prevents accidents such as pinching of the operator's hands and fingers during press work. The present invention provides a press device that can easily perform work setting work and improve work efficiency.

(Embodiment) Figures 1 to 8 show an embodiment of the present invention, in which a table 1 on which a workpiece X is placed, and a press shaft 3 disposed above the table 1 that can move up and down In a press device similar to the conventional example in which the workpiece X on the table 1 is pressed by the press air cylinder 2, the table 1 is
A press air cylinder 2 is disposed above the rear part of the table, and the rear part of the table is made into a press working part 1a.
A work setting section 1b is provided at the front of the table in front of the table, and an auxiliary table 5 on which the work X is placed is placed on the table 1 so that it can be slid freely between the work setting section 1b and the press processing section 1a. A pair of push button switches 6a and 6b are provided at the left and right ends of the front surface of the table 1 to perform press working by pressing, and when both push button switches 6a and 6b are pressed at the same time. Then, the auxiliary table drive lS moves the auxiliary table 5 on which the workpiece X is placed to the press processing section, and drives the auxiliary cheeple 5 so as to return the auxiliary table 5 to the workpiece setting section 1b after the press processing is completed! Structure 7 is provided. In this embodiment, the auxiliary table drive mechanism 7 is formed using an air cylinder 15, and a drive piece 5a protruding from the lower surface of the auxiliary table 5 is attached to the tip of the drive shaft 15a of the air cylinder 15. is pivoted, and the auxiliary table 5 is moved by the protrusion and retraction of the drive shaft 15a.
is slid along the guide rail 16 to a predetermined position. In addition, the auxiliary table drive mechanism 7
As shown in FIG. 8, the control section 7a includes a double pusher switch 6a.

6b and outputs a press operation signal when turned on at the same time, detects the position of the auxiliary table 5, and detects the position of the auxiliary table 5 and sets it to the normal position when the work setting part 1a1 is in the press processing part 1b. A position detection sensor 11 that outputs a set signal, a slide control section 13 that controls the air cylinder 15 based on the output of the switch detection section 10 and the output of the position detection sensor 11, and a press control section 1/I that controls the press air cylinder 2. and a sequence control section 12 that generates control signals. In addition,
A manual operation section 18 is provided at the upper front surface of the main body housing 17.

In addition, in the embodiment, the press air cylinder 2 is attached to a sill attachment portion 21a of a bracket 21 that is attached to a column 20 erected on the table 1 so as to be vertically adjustable.
Loosen the fixing screw 22 that fixes the fixing part 21b of the bracket 21 to the column 20 and attach the mounting base 2.
By adjusting the position of 1, the open height of the press working part 1a (the height from the height table 1 when the press shaft 3 of the press air cylinder 2 is at the highest position)
is made variable. Therefore, it is possible to easily accommodate workpieces X, press molds, and jigs of different heights, and various types of press processing can be performed.

Note that the vertical position of the column 21 can be finely adjusted by means of an adjustment screw 23a provided on the temporary fixing ring 23. In the figure, 19 is a speed controller.

The operation of the embodiment will be described below. Now, when performing a press work in the press apparatus according to the present invention, first, the workpiece X is set on the auxiliary table 5 in the workpiece setting section 1b, and the push button switches 6a, 6b are pressed.
By pressing at the same time, the auxiliary table 5 is moved to the press processing section 1a.

With the auxiliary table 5 moved to the press processing section 1a, the press air cylinder 2 is operated, the press shaft 3 is lowered, and the press work of the workpiece X is performed. After being raised, the auxiliary table 5 moves to the original work setting section 1b, and the work X is automatically taken out. Here, push button switch 6
Unless a and 6b are pressed, the series of press operations described above will not be performed, so that the operator's hands and fingers will not be caught during the press operation. That is, if one or both of the push button switches 6 at 66 are turned off before the workpiece X reaches the press processing section 1a, the press processing operation will be stopped in an emergency, and the press air Press the push button switches 6a, 6 before the cylinder 2 has descended to the lowest position.
If either or both of b are turned off, the press work is immediately interrupted, so
It is possible to reliably prevent the operator's hand from being inserted into the press working part 1a during the press work, and an accident in which the hand or fingers are caught will not occur. In addition, when setting the workpiece X, it can be done in the workpiece setting section 1b provided in front of the press processing section 1a, so the workpiece setting work can be done easily and work efficiency can be improved. It has become. In addition, in the example, air pressure adjustment equipment,
Since the valve, electric control panel, etc. are built into the housing 17, it can be easily operated by simply connecting a power source and an air source.

[Effects of the Invention] As described above, the present invention is formed of a table on which a work is placed, and an air cylinder for a press which is placed above the table and whose press shaft can freely move up and down in the vertical direction. In a press device that presses a workpiece on a table using an air cylinder, a press air cylinder is arranged above the rear of the table, the rear of the table is used as a press processing section, and the front of the table is located in front of the press section. A work setting section is provided in the holder, and an auxiliary table on which the work is placed is provided on the table so that it can be slid freely between the work setting section and the press processing section, and the press processing operation is performed by compression. A pair of push button switches are arranged at the left and right ends of the front of the table, and when both push button switches are pressed simultaneously, the auxiliary table on which the work is placed is moved to the press processing section, and after the press processing is completed. Auxiliary table drive 8 that drives the auxiliary table to return the auxiliary table to the work set section! Since it is equipped with an oval, it is possible to prevent accidents such as the operator's hands and fingers being caught during press work, and it is also possible to easily set the workpiece.
This has the effect of improving work efficiency.

[Brief explanation of drawings]

! @ Figure 1 is a perspective view of one embodiment of the present invention, Figure 2 is the same J as above.
iE side view, Figure 3 is the same 1=, partially cutaway side view, Figure 4
The figure is a sectional view of the main part of the same as above, Fig. 5 is a side view showing the operation of the same as above, Fig. 6 is a side view of the main part of same as above, Fig. 7 is a rear view of the main part of same as above, and Fig. 8 is a block of same as above. It is a circuit diagram. 1 is a table, 1a is a press processing section, 1b is a work setting section, 2 is an air cylinder for press, 3 is a press shaft, 5
is an auxiliary table, 6 at 6 b is a push button switch, 7
is the auxiliary table drive mechanism.

Claims (1)

[Claims] (1) It is formed by a table on which a work is placed and a press air cylinder which is placed above the table and whose press shaft can move up and down in the vertical direction, and the work on the table is pressed by the press air cylinder. In the press device, a press air cylinder is arranged above the rear part of the table, the rear part of the table is used as a press working part, a work setting part is provided in the front part of the table in front of the press working part, and a workpiece is placed on the press machine. An auxiliary table is installed on the table so that it can be slid freely between the work setting section and the press processing section, and a pair of push button switches are installed at the left and right ends of the front surface of the table to perform the press processing operation by pressing. When both push button switches are pressed at the same time, the auxiliary table on which the work is placed is moved to the press processing section, and the auxiliary table is returned to the work setting section after press processing is completed. A press device characterized by being provided with an auxiliary table drive mechanism for driving a table.