JPH0648990U - Press machine - Google Patents

Abstract

(57) [Summary] (Corrected) [Purpose] Various types of cutting chips produced during metal cutting do not stick out or get entangled in the openings for feeding into the press forming chamber. A pressing device capable of feeding the cutting waste into the press forming chamber and pressing the cutting waste to solidify it into a predetermined shape without using other equipment to make it fine. [Structure] A rim 4a of an opening for introducing the cutting waste 1 generated during metal cutting into a press forming chamber 4b, and the press ram 5 for moving the rim 4a so as to be closed at the start of a pressing process. And an edge of the cutting edge constitute a shearing means for cutting off the cutting waste partially entering the opening.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a pressing device for pressing a block of cutting chips produced during metal cutting to harden it into a predetermined shape.

[0002]

[Prior art]

 There are various types of cutting waste such as those with a relatively long length and those in the shape of a spiral coil that are mixed in the metal cutting process. Various forms of cutting chips were simply sent into the press forming chamber and pressed by the press chamber in the press forming chamber.

[0003]

[Problems to be solved by the device]

 However, in the conventional press machine, the cutting scraps of the various forms have overflowed or become entangled with the openings for feeding the cutting scraps into the press molding chamber. Therefore, it was fitted between the opening and the press ram in the press molding chamber, and the press ram could not be pressed by operating the press ram.

Further, the openings themselves were blocked by the entanglement of the cutting chips, and the cutting chips could not be sent into the press molding chamber.

Further, before the cutting waste is sent into the press forming chamber, in order to prevent the cutting waste from protruding from the opening or being entangled, the cutting waste must be finely cut by another device, The work became complicated and it was necessary to make capital investment for this.

According to the present invention, even if the cutting chips produced during metal cutting are of various shapes, such as those having a relatively long length and those having a spiral coil shape, The cutting debris is sent into the press forming chamber without protruding or getting entangled in the opening for feeding it into the press molding chamber, and without making it fine by using other equipment, and the cutting debris is removed. It is an object of the present invention to provide a pressing device for pressing and hardening into a predetermined shape.

[0007]

[Means for Solving the Problems]

 The press device according to the present invention is a press device that feeds cutting waste generated during metal cutting into a press forming chamber and presses it with a press ram in the press forming chamber. Partially entered the opening by the rim of the opening for throwing waste into the press forming chamber and the edge of the press ram which moves to close the rim at the start of the pressing process. It is characterized in that a shearing means for sandwiching the cutting waste is constituted.

According to a second aspect of the present invention, in the press apparatus according to the first aspect, a spiral feeder mechanism that is rotatable by a drive mechanism to feed the cutting waste to the press forming chamber is provided. It is characterized by.

[0009]

[Action]

 The press device of the present invention sends cutting waste generated during metal cutting into a press forming chamber and presses it with a press ram in the press forming chamber. The shearing means puts the cutting waste into the press forming chamber. And an edge of the press ram that moves so as to close the opening at the start of the pressing process, and scissors the cutting debris partially entering the opening. Cut.

In other words, during the start of the pressing step of the press ram, the cutting debris generated at the time of metal cutting and the like are adjusted so that the rim of the opening and the edge of the press ram become equal to or smaller than the size in the press forming chamber. Scissor by.

Therefore, the cutting debris can be solidified into a predetermined shape by a press without being entangled with or protruding from the opening edge and hindering the operation of the press ram.

According to the second aspect of the present invention, the spiral feeder mechanism is rotatable by the drive mechanism and sends the cutting waste to the press forming chamber.

That is, by rotating the spiral feeder mechanism using the drive mechanism, it is possible to prevent the above-mentioned openings from being blocked by the entanglement of the above-mentioned cutting chips, and to move the cutting chips to a desired area. Can be sent.

Therefore, the cutting waste can be easily sent into the press forming chamber.

[0015]

【Example】

 FIG. 1 is a sectional view showing a schematic side surface of an embodiment of a pressing device according to the present invention, and FIG. 2 is a schematic front view. As shown in FIGS. 1 and 2, the pressing device according to the present embodiment mainly comprises a hopper 2, a feeding coil feeder 3, a cylinder device 4, a press ram 5, a shutter cylinder 6, and a control device 9.

3A and 3B are explanatory views showing a main part of this embodiment, FIG. 3A is an explanatory view showing a state before the press ram 5 is moved, and FIG. 3B is a view after the press ram 5 is moved. It is an explanatory view showing a state.

In FIGS. 1 and 2, the hopper 2 receives the cutting waste 1 generated during metal working from a transport system (not shown). Then, the feeding coil feeder 3 in the hopper 2 is rotated by the drive of the motor 7 to feed the cutting waste 1 toward the press forming chamber 4b below.

The cylinder device 4 has an opening 4 a on the upper surface which is connected to the hopper 2, and the cutting waste 1 fed from the hopper 2 through the opening 4 a is stored in the cylinder 4 in a predetermined manner. It is received in the press molding chamber 4b.

The press ram 5 is driven by the cylinder device 4 and moves to the left and right in FIG. 1 in accordance with a command from a control device 9 described later (hereinafter, the case of moving to the right and the case of moving to the left). Is called reverse.)

The shutter cylinder 6 holds the shutter door 6a, and similarly to the cylinder device 4, the shutter door 6a is moved up and down according to a command from the control device 9 to discharge the molded product.

The control device 9 issues a control command to each of the cylinder device 4 and the shutter cylinder 6 so as to operate the cylinder device 4 and the shutter cylinder 6 in conjunction with each other according to a predetermined sequence.

A specific pressing operation of the pressing device of the present embodiment having the above-mentioned structure will be described below.

In FIG. 1, the cutting waste 1 is taken into the hopper 2 and fed into the press molding chamber 4 b by the feeding coil feeder 3. At the same time, in response to a command from the controller 9, the shutter door 6a is lowered to close the discharge port 4c of the molding chamber 4b.

Next, according to a designation from the control device 9, the cylinder device 4 advances the press ram 5, and the press ram 5 closes the opening 4 a while the cutting waste in the press forming chamber 4 b is closed. 1 is pushed toward the shutter door 6a and pressed.

At this time, when a part of the cutting waste 1 straddles the inside of the hopper 2 and the inside of the press molding chamber 4b with the opening 4a in between, a case shown in FIGS. As shown, when the cutter 8a attached to the rim of the opening 4a and the cutter 8b attached to the upper peripheral edge of the front end face of the press ram 5 meet as the press ram 5 advances, the press forming chamber 4b The cutting waste 1 partially contained inside will be cut into pieces.

In this way, the press ram 5 is advanced as it is until the cutting waste 1 is completely pressed. Then, when the control device 9 confirms that the cutting waste 1 is completely pressed, the control device 9 stops the pressing by the press ram 5.

Next, according to a command from the control device 9, the press ram 5 moves backward to a position where the elastic recovery force of the molded product does not act, and then the shutter door 6 a is pulled up by the cylinder 6.

When the shutter door 6a completely opens the discharge port 4c, the press ram 5 is moved forward again by the instruction of the control device 9 to remove the cutting waste 1 when the shutter door 6a is down. After passing through the position, it is pushed out from the discharge port 4c. As a result, the cutting waste 1 can be formed into a press mass 10 of the cutting waste.

After that, the control device 9 moves the press ram 5 backward until the opening 4a is completely opened, lowers the shutter door 6a again, and closes the discharge port 4c. As a result, one step of the pressing operation of this embodiment is completed, and when the cutting waste 1 is pressed again, the operations described so far are repeated.

In the present embodiment, the operations of the press ram 5 and the shutter cylinder 6 are controlled by the controller 9 in an interlocking manner, but the press ram 5 and the shutter cylinder 6 are controlled. The operation may be controlled by each individual control device.

Further, in the present embodiment, the spiral feed coil feeder 3 is used to feed the cutting waste 1 to the press forming chamber 4b, but the cutting waste is not limited to this. Any mechanism may be used as long as it can prevent the above-mentioned opening 4a from being blocked by the entanglement of the two.

Further, in FIG. 1, if an oil receiving tank 11 for receiving oil that oozes out during press working is installed below the cylinder device 4 and the press forming chamber 4b, the surroundings of the press device will not be contaminated. It is possible to prevent unexpected accidents of workers. Furthermore, it goes without saying that if the recovered oil is reused, it will be in accord with the recent public opinion of environmental problems.

[0033]

[Effect of device]

 As described above, in the present invention, even if the cutting scraps generated during metal working have various shapes such as those having a relatively long length and those having a spiral coil shape. , It does not hinder the work from protruding or getting entangled with the opening edge of the opening for sending it into the press forming chamber, and it makes the cutting waste fine by using other equipment in advance. There is no need, and there is an effect that it can be pressed into a predetermined shape by a simple series of steps.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a schematic side surface of a press device according to an embodiment of the present invention.

FIG. 2 is a schematic front view of a press device according to an embodiment of the present invention.

FIG. 3 is an explanatory diagram showing a main part of the present embodiment, (A)
FIG. 4 is an explanatory view showing a state before the press ram 5 is moved,
(B) is an explanatory view showing a state after the press ram 5 is moved.

[Explanation of symbols]

 1: Cutting waste 2: Hopper 3: Feeding coil feeder 4: Cylinder device 4a: Opening part 4b: Press forming chamber 4c: Discharge port 5: Press ram 6: Shutter cylinder 6a: Shutter door 7: Motor 8a, 8b: Cutter 9 : Control device 10: Press lump of cutting waste 11: Oil receiving tank

Claims (2)

[Scope of utility model registration request] 1. A press device for feeding cutting chips generated during metal cutting into a press forming chamber and pressing the cutting chips with a press ram in the press forming chamber, the opening mouth for introducing the cutting chips into the press forming chamber. The edge and the edge of the press ram that moves so as to close the mouth edge at the start of the pressing process constitute shearing means for cutting off the cutting debris partially entering the opening. And press equipment. 2. The press device according to claim 1, further comprising a spiral feeder mechanism that is rotatable by a drive mechanism to feed the cutting waste to the press forming chamber.