JPS6219311A - Trimming press - Google Patents

Abstract

PURPOSE:To permit machining for trimming and cutting excess thickness with one machine by installing a measuring control device in addition to a tool for eliminating excess thickness and a plane cutting mechanism, in a trimming press for removing burrs of a casting. CONSTITUTION:A slide member 12 is lowered to the bottom dead point by an actuating cylinder 11, then a gate 2, hole burrs, and an extrusion 3 are removed by tools 13, 14, 15 for eliminating excess thickness and an extrusion 4 is removed by a cutter 16C. Next, a milling cutter motor 25 is stopped, a measuring rod 24 is lowered by a cylinder 23 and its tip is touched to a reference face S1, the obtained value is read by a control device, cutters 17-20 are set in accordance with a value obtained by adding a cutting depth to the above value, a cutting mechanism 21 is lowered to the bottom dead point by a cylinder 22 and machining of the reference faces S1, S2 is made. When a cutting mechanism 21 is not used, change-over is possible. After completion of actions, a work 1 is extracted and if it is found to be good by checking, further work is made by changing over to automatic production. And these actions are controlled by said control device.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a trimming press used for removing pars from cast products, and particularly to a trimming press equipped with a cutting mechanism.

(Prior Art) In a cast product l as shown in FIG. Overhang 3
．． In addition to removing excess meat such as 4, as shown in Figure 8,
It is necessary to provide reference planes S1 and S2 when cutting the upper surface and other parts with the slice cutter 〇.

It is sufficient if this reference surface Sl, 52 is kept parallel to the upper surface even after casting, but the mold may be deformed due to high temperature or aging due to mold casting, making it difficult to process the cast product 1. There will be times when it is necessary. At this time, if the cutting is done separately from the trimming process of folding the sprue etc., the work efficiency will be poor.

Therefore, in a trimming press that folds the excess thickness of sprues, protruding parts, etc. of a cast product by pressing operation, in order to omit or simplify post-processing, a trimming press that cuts the excess thickness is disclosed, for example, in Japanese Utility Model Application Publication No. 58-106129. It is known from etc.

To explain this using the reference numerals used in the drawings of the same publication, this is a hydraulic press 1 having a trimming mold for deburring castings, with a cutting device 7 attached to the frame 6. A motor 9 to which a face milling cutter 10 is attached is fixed to the lower member 8b of the base 8,
The upper member 8a of the base 8 is supported by the tie bar t1 so as to be movable in the left-right direction, and the entire base 8 is configured to be movable along the tie bar 11 by the first cylinder 12. A second cylinder 13 is provided between 8b and the cutter 10 is released from the cutting surface after cutting with the cutter.

(Problems to be Solved by the Present Invention) However, in the above-mentioned Jitsukasho, the cutter is single and only moves linearly at a predetermined feed rate. It is only possible to trim the excess wall (exhaust or intake port of the engine) and mill one plane, and it is also not possible to set the amount of cutting from the surface. Furthermore, since it does not have a mechanism for selectively operating the cutter and only uniformly processes fixed-form products, it is not suitable for multi-product production.

The present invention solves the above problems and (1) makes it easy to select whether or not to use a cutting mechanism in a trimming press; (2) sets the amount of removal from the surface of a workpiece by the cutting mechanism and performs cutting. (3) The purpose of the present invention is to automatically carry out operations such as trimming of surplus material from the work center, position measurement, setting of depth of cut, etc., and production automatically using a control device.

(Means for Solving the Problems) The structure of the present invention for achieving the above object will be explained using FIGS. 1 to 7 corresponding to the embodiments. Surplus thickness removers 13 to 16 are fixed to a slide member 12 that is guided by a working cylinder 11 and moves up and down by an operating cylinder 11, and a plane cutting mechanism 21 having a plurality of slice cutters 17 to 20 is attached to the sliding member 12 via an operating cylinder 22. Once installed, a measuring rod 24 is attached to the support member 10 via the operating cylinder 23, and the operation of each of the operating cylinders 11, 22, 23 and the amount of operation thereof are detected and controlled by the control device 30. This is what I did.

(Function) The present invention uses the above-mentioned means to first select whether or not to use the plane cutting mechanism 21, and when using it, the lever of the control device 30 (see FIGS. 5 and 6). After switching from automatic to independent (not shown) and temporarily suspending automatic production,
The slide member 12 is activated by the cylinder 11 when the button is pressed.
Raise it to the top dead center, set the casting part (workpiece) ■ in the specified position, and fix it with the clamp.

Next, when the slide member 12 is lowered to the bottom dead center by interlocking with the operating cylinder 11, the excess thickness remover 13, 14, 15 moves to the sprue 2. The holes (not shown) and the protrusion 3 are removed, and the protrusion 4 is removed by the remover 16 (FIG. 3).

Here, in order to operate the plane cutting mechanism 21, the control device 30
Press a predetermined button to start adjusting the milling cutters 17-20.

First, stop the fly smoke, which will be described later, and lower the measuring rod 24 using the operating cylinder 23 by pressing the button.
The numerical value displayed on the control device 30 is read with the tip of the workpiece 1 lightly touching a predetermined position (reference surface Sl, S2) of the workpiece 1.

The measuring rod 24 interlocks with the operating cylinder 23 to raise the measuring rod 24 to the top dead center.

Next, the height of the cutter is set to the value detected by the measuring rod 14 plus the depth of cut using the dial of the control device 30, and while the fly smoke is rotated by pressing the button, the operating cylinder 22 is activated by pressing the button. The cutting mechanism 21 is lowered to the bottom dead center via the reference planes S1 and S2 to process the reference surfaces S1 and S2. When cutting of a predetermined depth of cut is completed, the cutting mechanism 21 stops (
Figure 4).

By pressing the button again, the operating cylinders 11, 12 are moved upward, and the slide member 12 and cutting mechanism 21 are raised to the top dead center and stopped.

At this point, workpiece 1 is taken out, and if it is OK after inspection, the lever is switched to start automatic production. If the inspection is NG, return to the above-mentioned force lid adjustment and rework.

When the cutting mechanism 21 is not in use, after stopping automatic production by switching the lever as shown in FIG.
By pressing the button, the slide member 12 is raised to the top dead center via the operating cylinder 11, and the work l is lifted.

and secure it with the clamp.

Here, the cutting mechanism 21 is raised by the operating cylinder 22 by pressing the button, and automatic production is started by switching the lever. As a result, the slide member 12 rises, and the sprue 2 and the like are removed by the excess thickness removers 13 to 16.

(Example) A detailed explanation of the present invention will be given below with reference to FIGS. 1 to 8. Reference numeral 10 is a gate-shaped support member, and the upper end of the vertical frame 10a erected left and right on the lower base plate 10b is connected to the horizontal frame 10c. The upper base plate 10d is fixed on the lower base plate 10b, and the work l is placed on the workpiece receiver 10e placed on the upper base plate 10d.
The workpiece 1 is fixed by a clamp K movably provided at 0d.

Reference numeral 12 denotes a slide member whose ends are slidably fitted into the vertical frame 10a, and its left and right sides are supported by the horizontal frame 10c by operating cylinders 11. In the illustrated example, a recess 12c is formed with a chevron 12b in the center, and brackets 12d fixed to the left and right lower surfaces of the recess 12c,
Excess thickness removing tools 13 to 16 are attached via 12e. Of these, 13 are sprue faces, 4 are hole punches, 15 are overflow) folding punches, 16
is a side cutter, and the sprue 2 of each work l. hole paris
(not shown) are fixedly or adjustably installed corresponding to the protrusions 3, 4. Note that the side cutter 16 has a cutter 16 at the tip of the rod 16b of the operating cylinder 16a.
c is attached, and the actuating cylinder 1 is activated by the command signal.
6a to extend the rod 16b and cutter 16c.
Now fold the protrusion 4.

A plane cutting mechanism 21 including slice cutters 17 to 20 is provided in the recess 12c of the slide member 12. As will be explained in detail in FIG.
A buffer plate 21d is supported by a spring mechanism 21c on a plate 21b slidably fitted to a guide bar 21a, the other of which is connected to the guide bar 21b and fixed to the chevron portion 12b.
Milling cutters 17 to 20 are arranged on the IDkfE plate 21d, and are connected to be rotated by a milling smoke 25 via a transmission mechanism 26 such as a well-known belt drive or gear drive attached to the IDkfE plate 21d.

In the illustrated example, the slice cutters 17 to 19 are of small diameter, and the slice cutters 20 are for cutting the reference surface S1, and the slice cutters 20 are for cutting the reference surface S2.
It is for cutting.

24 is a measuring rod, which is attached to the rod 23a of the operating cylinder 23 fixed to the horizontal frame 10c,
Its tip is spherical in order to ensure reliable and soft contact with the work l.

The measuring rod can be used, for example, as shown in Figure 2.
The measurement rod 27 may be provided for each different cutting surface, as in the case of the measurement rod 27 provided along 0.

Reference numeral 30 denotes a control device, which is composed of input, output, control, memory, and calculation devices as shown in FIG. If it is confirmed or approved, green lamp G,
Turn on the warning lamp W and turn on the operating cylinder 11.16.
a, 22, 23. It issues an operation or stop command to the fly smoke 25 and the like.

Therefore, according to this embodiment, when using the plane cutting mechanism 21, automatic production is performed by switching the switching lever (not shown) of the control device 30 from automatic to independent as shown in FIGS. 5 and 6. After a temporary stop, the actuating cylinder 11 is actuated by pressing a button to raise the slide member 12 to the top dead center.

Here, the workpiece 1 is placed on the workpiece receiver 10e and fixed with the clamp K.

Next, when the slide member 12 is lowered to the bottom dead center by moving the operating cylinder 11, the excess thickness removing tool 13.14°15
descends and sprue 2. The hole paring and the protrusion 3 are removed, and when the operating cylinder 16a is operated, the cutter 16c removes the protrusion 4 (FIG. 3).

Here, in order to operate the plane cutting mechanism 21, the control device 30
Press a predetermined button to begin adjusting the slice cutters 17 to 20.

First, the fly smoke 25 is stopped f♡, and the measuring rod 24 (and the measuring rod 27 if necessary) is immediately lowered by the operating cylinder 23, so that the tip of the measuring rod 24 (27) is at the reference plane S.
1 (S2), read the numerical value displayed on the control device 30.

Thereafter, the measuring rod 24 (27) reversely moves the operating cylinder 23 to raise it to the top dead center.

Next, the height of the milling scuffs 17 to 20 is adjusted by the control device 30.
Set the value obtained by adding the depth of cut to the value detected by the measuring rod 24 (27) using the dial, and when the fly smoke 25 is rotated, the cutting mechanism 21 is moved to the bottom dead center by the operating cylinder 22. Then, the reference surfaces St and S2 are processed.

After cutting a predetermined depth of cut, the cutting mechanism 21 stops (FIG. 4).

The operating cylinders 11 and 22 are operated in the upward direction again, and the slide member 12 and the cutting mechanism 21 are raised to the top dead center and stopped.

At this point, workpiece 1 is taken out, and if it is OK after inspection, the lever is switched to start automatic production.

When the cutting mechanism 21 is not in use, after temporarily stopping automatic production as shown in Figure ff17, the slide member 12 is immediately removed.
is raised to the top dead center via the operating cinder 11, and the workpiece 1 is introduced and fixed.

At this point, the cutting mechanism 21 is immediately raised by the operating cylinder 22, and automatic production is started by operating the switching lever. As a result, the slide member 12 descends, and the sprue 2 and the like are removed by the excess thickness removers 13 to 16.

(Effects of the Invention) Since the present invention is configured as described above, it is possible to easily select whether or not to use the cutting mechanism by simply using the control device, and it is possible to easily select whether or not to use the cutting mechanism by simply controlling the control device. The amount of cut can be easily set using the dial set, and the combination of the control device and operating cylinder automatically performs setup and production such as trimming excess material from the work center, position measurement, and setting the amount of cut. This has the effect of allowing reliable products to be obtained from the first piece of production.

[Brief explanation of the drawing]

FIG. 1 is a front view of the trimming press of the present invention, FIG. 2 is a detailed view of the plane cutting mechanism, FIGS. 3 and 4 are operating state diagrams of the trimming press of the present invention, and FIG. 5 is a conceptual diagram of the control device. FIG. 6 is a system flow diagram when the plane cutting mechanism is used, FIG. 7 is a system flow diagram when the same cutting mechanism is not used, and FIG. 8 is a diagram showing the cutting state of the product. 1...Work, 2...Gate, 3,4...Protrusion,
10...Supporting member, 11, 16a, 22.23 ・
・Operating cylinder, 12 ・・Slide member, 13, 1
4.15.16 ... Excess meat removal tool, 17.18.19
．． 20...Slice cutter, 21...Plane cutting mechanism, 24.27...Measuring rod, 30...Control device. Figure 2 Figure 7 Figure 8 Figure 5

Claims (1)

[Claims] An excess thickness remover is fixed to a slide member that is guided by the vertical frame of the support member and moves up and down by an operating cylinder, and a plane cutting mechanism having a plurality of slice cutters is attached to the slide member via the operating cylinder. A trimming press in which a measuring rod is attached to the support member via an operating cylinder, and the operation of each of the operating cylinders and the amount of operation thereof are detected and controlled by a control device.