JPH08184541A - Material test equipment - Google Patents

Abstract

PURPOSE: To obtain a material test equipment in which the inputting operation for conditions or the like to a control section is improved. CONSTITUTION: A touch panel 11 with display is fitted, movably up and down, in the column part 1B of a body 1. A master computer 13 and a controller 12 are disposed on the back of the column part 1B. The touch panel 11 with display is connected with the master computer 13. The material test equipment is controlled by the operation of the touch panel 11 through the master computer 13. A mechanism 15 for elevating/lowering the touch panel 11 is disposed in the column part 1B. An up/down motion switch 16 is arranged in the front of a base 1A. The up/down motion switch 16 is operated to drive the elevating/ lowering mechanism 15 thus adjusting the height of the touch panel 11 with display.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a material testing device for testing tensile strength, compressive strength, bending strength and the like of test materials.

[0002]

2. Description of the Related Art FIG. 5 is a diagram showing an example of a conventional material testing apparatus. In FIG. 5, a pair of pillars 1 on the base 10A
A lower end holder 20 is attached between 0B, and an elevating head 30 is arranged above the lower end holder 20. An upper end holder 40 is attached to a lower portion of the elevating head 30, and the upper end holder 40 is connected to a load cell 50 arranged above the elevating head 30.

Further, the column portions 10 are provided at both ends of the elevating head 30.
The ball screw 60 disposed in B is screwed, and the ball head 60 is rotated by the servo motor 70 and the servo amplifier 80 disposed in the base 10A so that the elevating head 30 moves between the pillar portions 10B. It is designed to move up and down. In addition, the ball screw 6 is provided on one side of the ball screw 60.
An encoder 90 for detecting the amount of movement of the elevating head 30 from the amount of rotation of 0 is attached.

The control device 100 is provided with a control unit 100a composed of a microcomputer and the like, a display unit 100b provided with various display devices, and an operation unit 100c provided with various setting keys. Servo amplifier 80, load cell 50, encoder 90 for driving
And the recorder 110 is connected to the controller 100a.

With the above configuration, for example, when performing a tensile test, the end portion of the test material S is fixed to the lower end holding tool 20 and the upper end holding tool 40, and the display unit 1 in the controller 100 is fixed.
The test conditions are set by displaying 00b and operating the operation unit 100c. Then, the elevating head 30 is raised under the control of the control unit 100a, the tension is detected from the output of the load cell 50 at this time, and the displacement (deformation amount of the test material) is measured from the output of the encoder 90, and the measured value is recorded by the recorder. Record at 110. In this way, with the recorder 110,
For example, a graph of tension and displacement can be recorded on recording paper.

[0006]

FIG. 6 is an external front view showing an example of use of the test apparatus. According to the conventional material testing apparatus as described above, the existing personal computer 2 in the control apparatus 100 is used to perform statistical processing of measured values.
00 was connected and processing was performed.

Therefore, the operation unit 100 of the control device 100
There is a problem in that operability is poor because two operations, that is, the operation of c and the operation of the keyboard 200a of the personal computer 200 have to be performed.

It is an object of the present invention to provide a material testing device with good operability.

[0009]

The material testing apparatus of the present invention made to solve the above-mentioned problems comprises a load mechanism for applying a load to a test material, and a control device for controlling the load mechanism and measuring control. A material testing apparatus having a main body, wherein an operation panel for performing at least input operation to the control device is provided on the front surface of the main body,
An up-and-down drive means for up-and-down driving the operation panel is provided.

[0010]

In the material testing apparatus of the present invention, an operation panel for performing at least an input operation with respect to the controller is provided on the front surface of the main body, and the operation panel is driven up and down by the lifting drive means. Therefore, for example, even when setting the test material, the operability is good because the operation panel is at hand. Further, since the operation panel can be raised and lowered, the height can be adjusted to a position where it can be easily operated.

If a touch panel with a display device is used as the operation panel, the input and the display can be performed at the same position, so that the operability is further improved.

The elevating / driving means may be composed of a slide member fixed to the back surface of the operation panel and a timing belt to which the slide member is fixed and which is vertically driven by a motor and a pulley. .

Further, the raising and lowering drive means can be constituted by a slide member fixed to the back surface of the operation panel and a slide mechanism in which a screw shaft screwed to a nut to which the slide member is fixed is rotated by a motor. .

[0014]

1 is a perspective view of a material testing apparatus according to an embodiment of the present invention. As shown, the main body 1 includes a base 1A and the base 1A.
A pair of pillars 1B erected on both sides of A and this pillar 1
It is composed of a horizontal frame 1C connecting the upper ends of B, and the main body 1 is placed on an auxiliary base 1 '. In addition, the auxiliary table 1'is for making the height easy for the test work,
When the main body 1 is installed on a table, for example, the auxiliary stand 1'is unnecessary.

A lower end holder 2 is attached on the base 1A. In addition, a lifting head 3 is provided above the lower end holder 2.
The upper end holder 5 is attached to the lower part of the elevating head 3 via the load cell 4. The lower end holder 2 and the upper end holder 5 are jigs for performing a tensile test, and can be replaced with jigs for each test when performing a bending test or a compression test. That is, the upper surface of the base 1A and the lower portion of the load cell 4 are configured so that each jig can be attached and detached.

Ball screws 6 are provided in the pair of pillars 1B, and both ends of the lifting head 3 are screwed into the ball screws 6, respectively. A servo motor 8 connected to a servo amplifier 7 inside the base 1A is disposed behind the column portion 1B on the left side, and the servo motor 8 is provided with a pair of ball screws 6 by a mechanism (not shown). Are linked to. An encoder 9 is attached to the upper end of the ball screw 6 on the left side.

When the servo motor 8 is driven, the ball screw 6 rotates, and the lifting head 3 moves up or down depending on the direction of rotation. At the time of the tensile test shown in the drawing, the lower end holder 2 and the upper end holder 5 hold the ends of the test material, and the elevating head 3 is raised to perform the test. At this time, the load cell 4 detects the tension applied to the test material.

When performing a bending test or a compression test, the jigs are replaced with each other to set the test material between the jigs, and the elevating head 3 is lowered to detect the load applied to the test material by the load cell 4. In each test, ball screw 6
The amount of movement of the elevating head 5, that is, the amount of deformation of the test material is detected by detecting the rotational position of the encoder 9 by the encoder 9.

The servomotor 8, the ball screw 6, the elevating head 3, the upper end holder 5 and the lower end holder 2 constitute a load mechanism. Further, the load cell 4 and the encoder 9 constitute a detector.

A touch panel 11 with a display device is arranged on the front surface of the pillar portion 1B on the right side, and a control device 12 and a master computer 13 are arranged behind the pillar portion 1B on the right side. . Further, a floppy disk driver 14 is arranged on the front surface of the base 1A. The control device 12 and the master computer 13
The control unit is configured by.

The touch panel with a display device 11 as an operation panel in this embodiment is a dot-matrix liquid crystal display device with a back light provided with a transparent touch panel, and the touch panel with a display device 11 is a pillar. It is attached to a slit 1Ba formed on the front surface of the portion 1B and is movable up and down.

Further, an elevating mechanism 15 for raising and lowering the touch panel 11 with a display device is disposed inside the pillar portion 1B on the right side, and a power source (not shown) is provided on the front surface of the base 1A. A vertical movement switch 16 connected to the lifting mechanism 15 and driving the lifting mechanism 15 is provided. Then, the up-and-down mechanism 15 is driven by the operation of the up-and-down movement switch 16, and the touch panel 11 with a display device moves up or down according to the operation direction of the up-and-down movement switch 16.

FIG. 2 is an exploded perspective view of the mounting portion of the touch panel 11 with the display device and the elevating mechanism 15. The back surface of the touch panel 11 with the display device is fixed to the back plate 21.
The back plate 21 is attached to the L-shaped metal fitting 23 via a hinge 22.

The hinge 22 is a U-shaped seat plate 22a, 22.
b are made to face each other by alternately engaging the end portions, and the seat plates 22a and 22b are attached to the bolt 2 via the collar 22c.
It is supported by 2d and clamp lever 2 is attached to the tip of bolt 22d.
It is assembled by screwing 2e together. Thereby, the touch panel 11 with the display device can be vertically moved by loosening the clamp lever 22e, and can be fixed at a desired angle by tightening the clamp lever 22e.

A T-shaped metal fitting 24 is disposed inside the pillar portion 1B, and a support piece 24a of the T-shaped metal fitting 24 is a pillar portion 1B.
The slits 1Ba are projected to the outside of the column portion 1B. The end 23a of the L-shaped metal fitting 23 is attached to the vertical plate 2
4 is attached to the support piece 24a.

A lifting mechanism 15 provided inside the pillar portion 1B.
Is provided with timing pulleys 15a and 15b above and below the column portion 1B, and the lower timing pulley 15b is attached to a drive shaft of a drive motor 15c with a brake. A timing belt 15d is hung between the timing pulleys 15a and 15b, and the block 1 is provided on the front side of the timing belt 15d (on the side of the slit 1Ba of the pillar 1B).
5e is attached.

On the front side of the timing belt 15d, a moving block 15g as a slide member is slidably held up and down by a slide shaft 15f arranged in parallel with the timing belt 15d. The moving block 15g is attached to the block 15e of the timing belt 15d.
A T-shaped metal fitting 24 is attached to the front surface of the. The upper limit switch 15h and the lower limit switch 15i that are turned on / off by the contact of the moving block 15g are provided near the upper end and the lower end on one side of the slide shaft 15f.
Is provided.

With the above structure, the timing belt 15d runs by the forward and reverse rotations of the drive motor 15c, and the moving block 15g, the T-shaped fitting 24, the L-shaped fitting 23, and the hinge 2 are moved.
2. The back plate 21 and the touch panel 11 with the display device are integrally moved up and down. Also, the limit switches 15h, 1
When 5i is turned on by the moving block 15g, the drive motor 15c is stopped, and the moving distance of the touch panel 11 with a display device is limited by the limit switches 15h and 15i.

FIG. 3 is an exploded perspective view showing another embodiment of the mounting portion of the touch panel 11 with a display device and the elevating mechanism 15. The same elements as those in FIG. 2 are designated by the same reference numerals and the description thereof will be omitted.

The lifting mechanism 15 of this embodiment includes the timing pulleys 15a and 15b and the timing belt 15 shown in FIG.
The d, the block 15e, the slide shaft 15f, and the moving block 15g are replaced with one slide module 151.

In this slide module 151, a moving block 151b is slidably held by a slide shaft 151a, and a part of the moving block 151b is screwed to a screw shaft 151c arranged in the slide shaft 151a. The input shaft 151d at the lower end of the screw shaft 151c
A drive motor 15c with a brake is attached to the. Then, the T-shaped metal fitting 2 is provided on the front surface of the moving block 151b.
4 is attached, the screw shaft 151c is rotated by the forward and reverse rotation of the drive motor 15c, and the moving block 15
g goes up and down, and the touch panel 11 with a display goes up and down.

FIG. 4 is a block diagram of the material testing apparatus of the embodiment. The controller 12 is a slave computer 12
a, servo controller 12b, A / D converter 12c,
Various amplifiers 12d and 12e and D / A converter 12f
The servo controller 12b, the A / D converter 12c and the D / A converter 12f are connected to the slave computer 12a.

The servo controller 12b is connected to the servo amplifier 7, and the amplifiers 12d and 12e are connected to the load cell 4 and the encoder 9.
d and 12e are connected to the A / D converter 12c. Further, a recorder 18 is connected to the D / A converter 12f.

The touch panel 11 with a display device is connected to the master computer 13, and the master computer 13 and the slave computer 12a of the control device 12 are connected by a GPIB bus. In addition, the master computer 13
A floppy disk driver 14 and a printer 19 arranged on the base 1A are connected to the printer.

The master computer 13 and the slave computer 12a include a CPU, RAM, ROM, and
It is a microcomputer configured by a system bus, an I / O port, etc., and operates based on a program stored in advance.

The master computer 13 controls the display in the dot matrix type liquid crystal display of the touch panel 11 with a display device and the control of the pressed position on the touch panel based on a program stored in advance, and so-called the touch panel 11 with a display device. Input operations can be performed by a graphical user interface (GUI). Graphical display of test results on the touch panel 11 with a display device is possible.

Data communication is performed between the master computer 13 and the slave computer 12a, and the master computer 13 selects an operating condition on the main body side based on the test condition data input on the touch panel 11 with a display device. Data from slave computer 12
Send to a. Then, the slave computer 12a stores the data of this operating condition, and the test condition is set by this.

When the slave computer 12a receives a test start signal transmitted from the master computer 13 by operating the touch panel 11 with a display device, the servo controller 12b controls the servo motor 8 to start the test. Specifically, the rotation direction and the rotation speed of the servo motor 8 are controlled via the servo controller 12b, and the lift head 3 is operated according to the set test conditions.

During this test, the output signal of the load cell 4 and the output signal of the encoder 9 are amplified by amplifiers 12d and 12e, respectively, and the amplified signals are amplified by the A / D converter 1.
Since the data is converted into digital data by 2c, the slave computer 12a sequentially samples the output data of the A / D converter 12c, converts the output data into measured value data, and sends it to the master computer 13.

When the test is started, the master computer 13 monitors the presence or absence of data from the slave computer 12a, receives the data from the slave computer 12a, and temporarily stores it in the memory. Then, regarding this stored data, G of the touch panel 11 with a display device is displayed.
Data processing is performed according to the content of the processing input and designated by the UI, and the processing result is displayed on the touch panel 11 with a display device.

If specified by the master computer 13, the slave computer 12a converts the measured data into an analog signal by the D / A converter 12f and outputs it to the recorder 18 to display the measured value as a graph.

Further, the master computer 13 outputs data to the floppy disk driver 14 or the printer 19 and writes measurement data or test condition data to a floppy disk if specified by an input operation of the touch panel 11 with a display device. , Print out.

The drive motor 15c of the lifting mechanism 15 is the power source 1
The vertical movement switch 16 and the limit switches 15h and 15i are connected to the power source 17 as well as to the power source 17. Then, the drive motor 15c is rotated by operating the vertical movement switch 16, the rotation direction is switched according to the operation direction of the vertical movement switch 16, and the touch panel 11 with a display device moves up and down as described above.

The operator moves the touch panel 11 with the display device up and down by operating the vertical movement switch 16 and turns off the vertical movement switch 16 at a desired position so that the touch panel 11 with the display device can be easily operated. Can be set.

According to this embodiment, data processing can be performed without connecting a personal computer. Further, since the setting and data processing of the control device 12 can be performed only by operating the touch panel 11 with a display device arranged on the front surface of the pillar portion 1B, the operation is facilitated and the operability is improved.

Further, since the control device 12 and the master computer 13 are arranged so as to be integrated with the main body 1, space can be saved. Particularly, in the material testing apparatus of this embodiment, the lower end holder 2 and the elevating head 3 are on the front side so that the test material can be easily set, and at the same time, the pillar portion 1B is also on the front side. Further, if the control device 12 and the master computer 13 are arranged behind the pillar portion 1B, further space saving can be achieved.

Although the touch panel 11 with a display device is used as the operation panel in the above embodiment, the pillar portion 1
An operation switch separate from the display device may be provided on the front surface of B.

[0048]

As described above, according to the material testing apparatus of the present invention, the load mechanism for applying a load to the test material and the control device for controlling and controlling the load mechanism are provided in the main body, Since an operation panel for performing at least an input operation to the control device is provided on the front surface of the main body, and an elevating drive means for elevating and lowering the operation panel is provided,
For example, when setting the test material, there is an operation panel at hand, and since the height of this operation panel can be adjusted to a position where it can be easily operated, the operability is improved.

[Brief description of drawings]

FIG. 1 is a perspective view of a material testing apparatus according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a mounting portion and a lifting mechanism of the touch panel with a display device in the material testing apparatus of the embodiment of the present invention.

FIG. 3 is an exploded perspective view showing another embodiment of the lifting mechanism in the material testing apparatus of the present invention.

FIG. 4 is a block diagram of a material testing apparatus according to an embodiment of the present invention.

FIG. 5 is a diagram showing an example of a conventional material testing device.

FIG. 6 is an external front view showing an example of use of the test apparatus.

[Explanation of symbols]

 1A Base 1B Pillar 11 Touch panel with display device 12 Control device 13 Master computer 15 Lifting mechanism

Claims (4)

[Claims] 1. A material testing apparatus comprising a load mechanism for applying a load to a test material, and a control section for controlling the load mechanism and measurement control in a main body, wherein at least an input operation is performed on the control section. An operation panel for carrying out the above is disposed on the front surface of the main body, and an elevating drive means for elevating and lowering the operation panel is provided. 2. The material testing device according to claim 1, wherein the operation panel is a touch panel with a display device. 3. The elevating and lowering drive means includes a slide member fixed to the back surface of the operation panel, and a timing belt to which the slide member is fixed and which is vertically driven by a motor and a pulley. The material testing device according to claim 1 or 2, wherein 4. The elevating and lowering drive means comprises a slide member fixed to the back surface of the operation panel, and a slide mechanism for rotating a screw shaft screwed to a nut to which the slide member is fixed by a motor. The material testing device according to claim 1 or 2, wherein