JPH0746042B2 - Fully automatic material testing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION A. Field of Industrial Application The present invention relates to a fully-automatic material testing apparatus that performs, from the production of a rubber test piece to the test, in a fully automatic manner.

B. Conventional technology and its problems The material testing method for rubber materials is defined in JIS, and four test pieces are set as one set, and the average value of the test results of each four sets is used as evaluation data. By the way, conventionally, a fully automatic material testing apparatus of this kind has been known. This apparatus is provided with a test piece punching section, a thickness measuring section, a tester main body, and the like, and these are connected by a conveyer conveyor and a conveying device. However, since the punched test pieces are conveyed one by one, each time a material test is performed on one test piece, the test piece must be sent next, and in addition to poor work efficiency, The sequence control is also complicated.

An object of the present invention is to provide a fully automatic material testing apparatus that solves the above problems.

C. Means for Solving Problems The fully automatic material testing apparatus according to the present invention is a cassette that stores a plurality of punched test pieces as a set, a tester body that tests the test pieces, and a test from the cassette. A test piece automatic mounting means for taking out the pieces one by one and mounting them on the tester body,
And a carrying means for carrying the cassette to the automatic test piece mounting means.

D. Action The test pieces are stored in the cassette as a set of multiple sheets, and after the storage, the cassette is transferred to the test piece automatic mounting means by the transfer means. The test strip automatic mounting means takes out the test strips one by one from the cassette and mounts them on the tester main body. The test is conducted in the tester body.

E. Embodiment One embodiment of the present invention will be described with reference to FIGS.

In FIG. 1 showing the entire configuration of the fully automatic material testing machine, 1
Is a table driven in the direction A by the rodless cylinder 2, and a rubber sheet 3 for making a test piece is laminated. The rubber sheet conveying unit 4 has a suction pad 4a and a lifting cylinder 4b for the suction pad, and the suction pad 4a is driven in the B direction by a cylinder (not shown). The suction pads 4a suck the rubber sheets 3 one by one and supply them to the test piece punching device 5. Reference numeral 17 is a waste material sheet collection container for collecting the rubber sheet 3 after punching the test piece. The test piece punching device 5 includes a punching table 5a on which the rubber sheet 3 sent from the transport unit 4 is placed, a test piece punching device 5b having a test piece punching blade, and this punching device.
The air cylinder 5c is configured to move up and down 5b, and the air cylinder 5c is lowered to punch the test piece TP by the punch 5b. The test piece extracting device 6 includes a suction pad 6a and a suction pad.
A punched test piece TP having an air cylinder 6b for moving up and down 6a and a drive device 6c for driving the suction pad 6a in the C direction.
Is sucked by the suction pad 6a and conveyed to the thickness measuring device 7.

As shown in FIG. 2, the thickness measuring device 7 has a surface plate 7a on which the test piece TP conveyed by the take-out device 6 is installed, and a thickness having three electronic micrometers for measuring the thickness of the test piece. It comprises a measuring instrument 7b, a lifting air cylinder 7c for raising and lowering the thickness measuring instrument 7b, and a guide rod 7d for guiding the raising and lowering of the thickness measuring instrument 7b. The thickness measuring instrument 7b is lowered by the air cylinder 7c and brought into contact with the test piece TP to measure its thickness.

As shown in FIG. 2, the test strip transporting device 8 includes a rodless cylinder 8a that is movable in the D direction, and a pair of test strip suction vacuum pads 8c attached to the rodless cylinder 8a via a support plate 8b. And these vacuum pads 8c
And an air cylinder 8d for raising and lowering.

Further, one inner wall 9a of the cassette 9 is formed in a stepped shape as shown in FIG. 4, and four test pieces TP are stacked with a slight shift. Do not make the inner wall of the cassette into a staircase,
The test pieces TP may be simply shifted and laminated. The empty cassette 9 is fed below the test piece transport device 8 by the transport conveyor 10. The cassette moving device 11 includes the pushing member 11
a and a drive motor 11b for moving the pushing member 11a in the E direction by a predetermined pitch or a certain amount, and each time one test piece TP is loaded into the cassette 9, the cassette 9 is moved in the E direction by the predetermined pitch. When moving and moving four sheets, the cassette 9 is pushed out so as to be conveyed by the conveying conveyor 12 at the next stage.

After the thickness measurement is completed, the rodless cylinder 8a moves the vacuum pad 8c to above the test piece TP, and the lifting air cylinder 8a lowers the vacuum pad 8c to move the test piece.
Adsorb TP. After suction, the vacuum pad 8c is raised, and then the test piece TP is positioned above the cassette 9 by the rodless cylinder 8a, and the vacuum pad 8c is lowered to store the test piece TP in the cassette 9. Every time one test piece TP is stored, the cassette moving device 11 moves the cassette 9 by a predetermined pitch to store the four test pieces TP in a stepwise manner. When four test pieces TP are stored, the cassette 9 is pushed out to the conveyor 12 by the cassette moving device 11, and is guided to the automatic test piece feeder 13 through the conveyor 12.

In FIG. 3, which is a perspective view of the automatic test strip feeder 13,
The fixed portion of the x-direction rodless cylinder 13b is fixed to the support base 13a, and the holding plate 13c is attached to the movable portion movable in the x-direction. A fixed portion of the y-direction rodless cylinder 13d is fixed to the holding plate 13c, and a support base 13e is fixed to the movable portion movable in the y-direction. As shown in the front view and the right side views of the automatic test strip feeder 13 shown in FIGS. 4 and 5, a rotary actuator 13f is installed on the support base 13e, and a vacuum pad is supported on its rotary shaft. The portion 13g is attached so as to be rotatable around the axis X1.
An elevating cylinder 13h is provided on the pad supporting portion 13g, and a connecting portion 13j provided with a pair of vacuum pads 13i is connected to the tip of the piston rod of the lifting cylinder 13h. The connecting portion 13j
A guide 13k is screwed onto the guide and guides its up and down movement. With the above configuration, the vacuum pad 13i can be moved in three directions of x, y, z directions and can be rotated by 90 degrees about the axis X1.

Further, in FIG. 4, reference numeral 14 is a test piece holder movable in the Z direction by an air cylinder 15, and as shown in FIG. 6, a cassette 9 is provided in the vicinity of the automatic test piece feeder 13.
There is also provided a cassette moving device 16 that feeds the sheets in a predetermined pitch. Similar to the cassette moving device 11 described above, the cassette moving device 16 has a pushing member 16a and a drive motor 16b that moves the pushing member 16a by a predetermined pitch in the F direction.

After the thickness measurement, the cassette 9 containing the four test pieces is guided to the vicinity of the test piece automatic feeding device 13 by the conveyer 12 and set at a predetermined position by the cassette moving device 16. The test piece holder 14 is lowered by the air cylinder 15 and holds the end of the second test piece TP from the top. The rotary actuator 13f positions the vacuum pad 13i above the first test piece TP, and the lifting cylinder 13h lowers the vacuum pad 13i to adsorb the first test piece TP. When the vacuum pad 13i is raised, only the first test piece TP is taken out from the cassette 9. Since the second test piece TP is held by the test piece holder 14, it is prevented that the second test piece TP adheres to the first test piece TP and is taken out together. Next, the rotary actuator 13f rotates the pad support portion 13g to make the test piece TP in the posture shown by the chain double-dashed lines in FIGS. 4 and 5 while being attracted to the vacuum pad 13i. Rodless cylinder 13
The tester body 20 shown in FIG. 6 is driven by driving b and 13d.
Move between the upper and lower grips 21 and 22 of. Next, the test piece TP is gripped by the grips 21 and 22, and a material test is performed.
After the test, each cut piece of the test piece TP is
It is removed from the grips 21, 22 by 23 and is collected in a collecting container 24.

After taking out the first test piece TP from the cassette 9, the cassette moving device 16 moves the cassette 9 at a predetermined pitch,
That is, the test piece holder 14 is moved to a position where the third test piece TP can be held when the test piece holder 14 descends. Then, the vacuum pad 13i is opposed to the cassette 9 in the same manner as described above, and then the third test piece TP is pressed by the test piece holder 14 to separate the second test piece TP in the same manner as described above, and the test is performed. The test is performed by the machine body 20.

Although the present invention has been described above with reference to the illustrated example, the illustrated example is merely an example. In particular, four test pieces are housed in a cassette for conveyance, but three to eight test pieces are housed in the cassette. You may. Further, although the configuration diagram in which various kinds of cinders are installed in combination is shown, other actuators may be substituted for these cylinders. Furthermore, various well-known mechanisms can be adopted for the individual constituent elements included in the claims, and the present invention includes all of them.

F. Effects of the Invention Since the present invention is configured as described above, the material test of a plurality of test pieces can be performed by one time of cassette transportation, the work efficiency is improved, and the sequence control thereof is simplified.

[Brief description of drawings]

1 to 6 show an embodiment of the present invention, FIG. 1 is an overall configuration diagram of a fully automatic material testing device, FIG. 2 is a perspective view of a thickness measuring device and a test piece conveying device, and FIG. 5 to 5 are respectively a perspective view, a front view, a right side view of the automatic test piece feeder,
FIG. 6 is a perspective view of the automatic test strip feeder and the tester main body. 4: Rubber sheet transport unit 5: Specimen punching device 6: Specimen ejection device 7: Thickness measuring device 8: Specimen transport device 9: Cassette 10, 12: Transport conveyor 11, 16: Cassette moving device 13: Specimen Feeder 14: Specimen holder 20: Testing machine body

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Keiji Toyota Keiji Toyoda 1-2-1, Kawasaki-ku, Kawasaki-shi, Kanagawa Inside Zeon Corporation R & D Center (72) Masahiko Hayashi 1 Yakou, Kawasaki-ku, Kawasaki-shi, Kanagawa 2-1-1 Nihon Zeon Co., Ltd. Technology Development Center

Claims (1)

[Claims] 1. A cassette for accommodating a plurality of punched test pieces as a set, a tester main body for testing the test pieces, and a test piece taken out from the cassette one by one and mounted on the tester main body. A fully-automatic material testing apparatus comprising: a test piece automatic mounting means and a transport means for transporting the cassette to the test strip automatic mounting means.