JPH0633048U - Sample mounting aid - Google Patents

Abstract

(57) [Summary] [Purpose] Just by attaching the test piece to the holder, it can be quickly and safely attached to the air chuck, etc., and the work efficiency can be improved, so that the test piece can be chucked and the time can be shortened. (EN) Provided is a device having safety and capable of handling thin objects such as films. [Structure] The test piece 11 is held by a holder 14, which is almost the same size as the test piece used, such as an air suction holder,
At 12, it is conveyed to the upper and lower chucks 1 and 2 of the testing machine. One of the tops 3a, 4a of the chucks 1, 2 has an air suction hole 41, and the holder 14 is moved so as to be further pressed by the second actuator 13 toward the suction top side at the transfer position, and the test piece 11 is moved to the top 3a.
Adsorb on the a and 4a sides and transfer. After releasing the holding, the holder 14 is returned to the initial position by each actuator, and then the test piece 11 is tightened by the upper and lower chucks. Appropriate mounting assistance can be provided even for thin test pieces such as films that are difficult to stand on their own.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention is an auxiliary device that can be used for transporting and mounting a test piece in a tensile tester to a chuck of a tensile tester, especially when the chuck is a type that clamps both ends of the test piece by actuating an actuator. The present invention relates to a device suitable for being applied to a tensile tester.

[0002]

[Prior art]

 The tensile test of materials such as rubber, plastic, and film in the physical property test is to measure various data by applying tensile force to both ends of the test sample. Except for the tensile test, it is necessary to manually set the upper and lower ends of the test piece, which is the test sample, into the upper and lower chucks (test piece gripping tool) of the tensile tester.

The shape of the test piece in the tensile test is defined by various test standards. Although the one manufactured according to the specified standard has the same shape, if the test piece is not properly attached to the tensile tester in the work described above, even if the same material and the same shape are used as the test piece, The test results will be affected by variations in the data for each sample.

[0004]

[Problems to be solved by the device]

 Therefore, in a tensile test that uses a general-purpose tensile tester that is operated manually rather than an automated tensile tester, proper mounting of the test piece on the chuck is particularly important. Conventionally, in a tensile test using a general-purpose tensile tester, mounting of a test piece on each of the upper chuck and lower chuck has been performed manually by workers who rely on manual labor. I have a problem with.

(1) First, since the mounting work is carried out with the aim of rough eye measurement and marks, not only the mounting position is not constant, but also mounting of the test piece at the correct mounting position is difficult. Therefore, there are problems such as work efficiency and work time from this aspect. (2) The second point is the type of chuck. Especially when the chuck, that is, the specimen holder is pneumatic (air), hydraulic, or other actuator, the tightening force is so strong that manual work is dangerous. Is more nervous, more careful, and time consuming.

This point will be further described as follows. Conventionally, in this type of tensile test, the method of attaching and detaching the test piece to and from the chuck is based on the method of manually tightening and removing, and the method of using air, hydraulic pressure, etc. However, recently, due to women's advancement, etc., the latter method that does not require tightening labor such as air chuck or hydraulic chuck is adopted, and each end of the test piece is tightened with one switch operation. The method that can be attached is adopted.

[0007] This method not only reduces the work effort, but also improves the work efficiency as compared with the one in which the tightening is performed manually. Moreover, the test sample is always tested at a constant pressure required for each test sample. Because of the advantage that the tightening force can be maintained from the start to the break, such actuator-operated actuators are also widely used.

However, in the latter method described above, it is true that the worker does not have to do the work to tighten the work, and thus the work is released, but on the other hand, It has become a new issue. That is, when chucking the test pieces prepared as a plurality of samples, the operator holds by hand the almost central portions of the test pieces to be attached to the upper and lower chucks, each of which has a pair of tops. The upper end of the test piece is inserted into the center of the top (Fig. 9), and the upper chuck is closed while observing the balance of the top, bottom, left, and right of the test piece.

Specifically, while considering the position of the upper end of the test piece sandwiched between a pair of pieces and the degree of insertion thereof, or whether the test piece is attached at an angle, With the other hand, operate the switch button for operating the upper chuck, and drive the actuator to close the upper chuck. Then, after that, the lower chuck side is also closed in the same manner to be attached.

In the above work, if the test piece has a length of, for example, about 10 cm, the interval between the upper and lower commas is shorter than that, and the installation work must be performed in such a narrow space. However, it requires skill, and even a skilled person must pay sufficient attention to prevent fingers from being caught when operating the actuator at that time, and as a result, the operator is not burdened with such a situation. large. It is not easy to attach the test piece safely and speedily in a short time, and there is a certain limit to the increase of work efficiency.

(3) In particular, when it is difficult to stand in the vertical direction such as a thin film or the like, manual work becomes very complicated. This is even more the case with the above-mentioned actuator-actuated chuck, and in order to prevent the upper end of the test piece from sagging downward when attaching to the upper chuck, the end of the test piece closer to the top must be held with a finger. .

Therefore, in particular, in a chucking operation of a thin test piece such as such a film that is hard to be self-sustaining, the operator is in an unnatural shape due to the test piece until the test piece is chucked. You may have this in your case, in which case you will need to be more careful in your chucking so that part of your finger does not get caught between the comma and the piece with the test piece. . Therefore, these operations are extremely complicated because the same operation is repeated every time a test is performed, and this is a mental problem for the operator to always have a part of his hand caught. This is one of the factors that cause fatigue and cannot be expected to increase work efficiency.

The present invention is intended to eliminate the above-mentioned disadvantages and inconveniences, and is suitable for use in a general-purpose tensile testing machine operated by a human rather than an automated tensile testing machine. Can always be properly conveyed to a fixed position on the chuck side of the tensile tester to assist the attachment to the chuck, and the worker's work is simple and does not require skilled skills, improving work efficiency and shortening the time. It is an object of the present invention to provide a sample mounting auxiliary device that is capable and safe and can handle thin test pieces such as films.

[0014]

[Means for Solving the Problems]

 The present invention includes a holder capable of holding a test piece, a moving means for moving the holder by a movable arm, and a means for transferring the test piece conveyed by the holder to a chuck frame of a tensile tester. By moving the arm, the test piece held in the holder is conveyed from the starting position to the chuck of the tensile testing machine, and the holding of the test piece is transferred from the holder side to the top side of the chuck. It is characterized by assisting the attachment to the chuck. Further, the present invention is characterized in that the test piece is provided with a positioning part capable of positioning the test piece, and the positioned test piece is held by a holder. Further, according to the present invention, the test piece is manually held in the holder, and then the movement of the holder is started by a switch, so that the test piece is inserted into an actuator-operated chuck, and the test piece is held by the holder. From the chuck to the top side of the chuck, and after the transfer, the holder automatically returns to the initial state, and the chuck with the transferred test piece is closed at a predetermined timing. It is a characteristic. In addition, the present invention provides a suction hole for sucking a test piece on one of a pair of opposing tops of the chuck, and at a predetermined timing from the state where the test piece is held by the holder and inserted into the chuck. It is characterized in that the test piece held in the holder is pressed against the suction piece so that the test piece can be sucked to the piece.

[0015]

[Action]

 According to the present invention, since the test piece is manually attached to the holder of the auxiliary device, the test piece is held by the holder, and the holder is moved by the arm, whereby the test piece held by the holder is pulled. It can be transferred to the chuck of the testing machine, and the transferred test piece is transferred from the holder side to the top side of the chuck to assist the attachment to the chuck. Therefore, the test piece is always conveyed to the correct mounting position of the chuck, there is no danger to the operator's hand when the chuck tightens the test piece, and manual handling of the test piece is easy even if it is small. Yes, and even if it is a thin test piece such as a film, it can be handled. It can be installed quickly and safely. Further, during the test, the next test piece can be held in the holder and prepared, which further improves the work efficiency for the next test and can significantly reduce the time. Further, by providing the test piece positioning portion, the operator only needs to place the test piece with this as a target, and manual and manual positioning can be performed easily and reliably.

Further, after the test piece is temporarily held in the holder by a human, the test piece is inserted into an actuator-operated chuck by starting the movement of the holder by a switch, and the test piece is inserted from the holder side into the chuck frame. If the control is performed so that the holder automatically returns to the initial state after the transfer, and the chuck to which the test piece has been transferred is closed at a predetermined timing, the test piece is transferred. A series of operations including replacement can be automated, and manual and automatic semi-automation can be appropriately realized. Also, in that case, a suction hole for sucking the test piece is provided in one of the pair of tops of the chuck facing each other, and the test piece is held in the holder and is inserted into the chuck at a predetermined timing. If the test piece held in the holder is pressed against the suction piece, and the test piece can be sucked to the piece, the test piece can be easily transferred and the holder can be almost The size of the test piece to be applied should be the same, and it is possible to handle thin test pieces such as films.

[0017]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 and 2 show an embodiment of a sample mounting auxiliary device of a tensile tester according to the present invention. 1 is a front view of the apparatus, and FIG. 2 is a side view thereof. In the figure, 1 and 2 are upper and lower chucks of the tensile tester main body, which constitute a test piece gripping tool, and here are air chucks operated by air.

In these air chucks, for example, the lower chuck 2 side is attached to the fixed crosshead side, and the upper chuck 1 is connected to the load cell attached to the moving crosshead. The upper and lower chucks 1, 2 have a pair of tops 3a, 3b, 4a, 4b facing each other.

FIG. 3 is an example of a basic internal structure of an applicable air chuck. When the two tops 3 and 3 of the chuck are not in operation, they are separated from each other in the left half of the drawing. At the time of operation, the piston portion 101 is pressed downward in the figure by the supply air against the spring 102, and the arms 103, the connecting arm 105 pivotally supported by the shaft 104, and the link of the slider 106 are connected to the tops 3, 3. Are driven in a direction in which they are pressed against each other as shown in the right half of the figure, whereby the chuck is closed.

Therefore, when the test piece end is inserted between the pair of tops 3 and 3 and operated, the end of the test piece has a predetermined pressure corresponding to the air pressure applied to the piston portion 101. Will be tightened with. The above is the case of the upper air chuck, but the internal structure of the lower air chuck is similar to this. Needless to say, the air chuck used is not limited to the one having such a structure.

A test piece insertion / mounting assisting device 10 used in combination with the air chucks 1 and 2 of FIGS. 1 and 2 of the main body of the tensile tester is provided as shown, whereby the test piece 11 is provided. The test pieces are conveyed to the upper and lower air chucks 1 and 2, where the test piece is temporarily transferred to one of the tops of the chuck to assist the attachment to the air chucks 1 and 2.

The apparatus of this embodiment is of a type in which the test piece used as a sample is difficult to stand on its own, that is, the shape of the test piece manufactured according to each standard, etc. A thin test piece such as a film that is difficult to stand on its own can be used. As shown, the device of this embodiment has a first actuator 12 and a second actuator 13. The first actuator 12 is an actuator for transporting a test piece as described later, and the second actuator 13 is used for transferring a test piece.

Reference numeral 14 indicates a sample holder (test piece holder) for holding the test piece 11 with a suction member or a sandwiching member that can be sucked by a suction cup or a vacuum pump. In this case, it is a test piece adsorption member, which is movably provided. Further, in this embodiment, a test piece positioning member 15 is provided on the test piece positioning member 15 as described later. As the holder 14, a life-size specimen can be used as will be described later.

The apparatus main body is arranged on the fixed crosshead side adjacent to the upper and lower air chucks 1 and 2 of the tester, and the first actuator 12 is attached to this via the second actuator 13. The first actuator 12 is constructed by using, for example, an air cylinder, and the sample holder 14 is provided at the tip of the arms 16 and 16 (cylinder rods) thereof. When the arms 16 and 16 are extended, they advance toward the upper and lower air chucks 1 and 2 in the lateral direction (horizontal direction) in Fig. 1 (moving in the direction perpendicular to the paper surface in Fig. 2), and after mounting the test piece. Its operation is controlled so as to return to the original position shown in FIG.

The sample holder 14 can be moved laterally by being attached to such arms 16 and 16. As the arms 16 and 16 move forward and backward, the sample holder 14 can be moved to a predetermined position on the auxiliary device side and the air chucks 1 and 2 side. Move back and forth between. In this embodiment, the test piece attachment assisting device is provided with the test piece positioning member 15 for positioning the test piece 11 when the test piece 11 is attached to the sample holder 14 manually by the operator. Can be provided. The test piece positioning member 15 is attached to the plate surface on the sample holder 14, for example, as shown in FIG.

The sample holder 14 is configured so that the test piece 11 can be easily held in the same state at all times. The operator sequentially carries out the test piece mounting work at the sample holder returning position shown in the figure as described later (therefore, when the upper and lower air chucks 1 and 2 of the tester are on the side between the test piece 11 and the worker himself / herself). However, in that case, if the test piece is manually placed, the position of the test piece is determined.

As shown in the external view of FIG. 4, the holder main body is made of a plate-like body, and is of the same size as the target test piece. A groove 17 matching the shape of the test piece used is formed on the plate surface by the test piece positioning member 15. Further, the plate surface may be provided with a holding means described later. If the test piece 11 has a dumbbell shape, the mounting and holding groove 17 is formed in the shape as shown in the figure. Grooves 17 are formed by leaving the upper and lower end portions of the holder main body, and are the same as the central portion (that is, the intermediate portion excluding the upper and lower end portions to be chucked) of the relevant test specimen based on the shape of various test specimens to be used. If the groove is shaped and the test piece is attached (applied) in accordance with this, the sample test piece can always be held in the same vertical and horizontal positional relationship.

At the bottom of the dumbbell-shaped restricting groove 17, here, as a holding means, a small suction hole 18 is provided so that the test piece 11 can be sucked by air so that the back surface of the plate is sucked by a vacuum pump. Eggplant The holder 14 is also provided with similar suction holes 31 and 31 at the positions supporting the upper and lower end portions of the test piece 11 so that the upper and lower end portions of the test piece 11 can be securely held. . As described above, in the present embodiment, the holding is performed by the forced suction, but even when the holding mode is the suction, the suction is not limited to the forced suction and, for example, only a suction cup may be used instead of the vacuum pump.

As shown in FIG. 1, the test piece 11 is attached to the sample holder 14 constituting the test piece adsorption member at a position where the sample holder 14 is on the positioning member side (initial (return) position of the sample holder). It is done one by one by the operator, but as described above, the entire test piece 11 can be held in the same position at all times, and when the sample holder 14 is moved, the chucks 1 and 2 of the tester body are moved. Since the positional relationship between the held test piece 11 can be determined in advance so that the upper and lower chucks 1 and 2 are properly mounted, the test piece 11 always sets the positional relationship to the fixed position ( 1A) (see reference numeral 11A in FIG. 1). As the arms 16 and 16 move out from the state shown in the figure, the sample holder 14 moves the test piece 11 adsorbed by the sample holder 14 to the center position between the upper and lower chucks 1 and 2. It will be.

As described above, when the test piece 11 is manually placed, the positioning member 15 is provided so as to determine the position of the test piece 11, and the sample holder 14 capable of sucking the test piece 11 is provided with an arm. 16 and 16 are provided so that this can be moved using the first actuator 12, so that it can reciprocate between the starting position and the predetermined positions on the upper and lower chucks 1, 2 (test piece gripping tool) side. There is. Then, in the upper and lower chucks 1 and 2, the predetermined positions are determined so that the held test piece 11 comes to the correct mounting position on the upper and lower chucks 1 and 2.

On the other hand, of the pair of tops of the air chucks 1 and 2, the tops of the pair of tops 3a and 4a facing the test piece side are sucked by a vacuum pump as shown in FIGS. Suction holes 41 for suction are provided respectively. In this way, a small suction hole 41 required for adsorbing the test piece is provided on each of the pair of (two) chucks from the side surfaces of the tops 3a and 4a to the inner surface of the top. As shown in FIG. 7, a chuck piece air actuating portion 45 is provided. For example, as shown in FIG. 6, the suction pieces 3a and 4a have a structure in which chambers 42 communicating with the suction holes 41 are formed inside, and the chambers 42 are air-operated via an air conduit 43. It may be connected to the portion 45, and suction may be performed by the air as shown by the arrow in the timing when the test piece 11 is pressed against the tops 3a and 4a as described later.

On the other hand, the second actuator 12 moves the holder so that the sample holder 14 comes into contact with the suction surface of the tops 3a and 4a after being transported by the first actuator 12, and After transfer of the test piece, the entire device part including the first actuator 12 is moved so as to move the holder in the returning direction (direction perpendicular to the paper surface in FIG. 1, left and right direction in FIG. 2). . The second actuator 12 is also composed of an air cylinder, for example, and the first actuator 12 is attached to its arms 19 and 19 (cylinder rods).

The tensile tester, which is a combination of the tester main body having the chucks 1 and 2 and the auxiliary device 10, has an operation panel (not shown), which is operated by an operator to operate the device. Provide a start switch, etc.

FIG. 7 shows an example of a control system as a functional block diagram. A signal from the switch 22 is supplied to the controller 21. Here, the controller 21 drives the main body of the testing machine, and thus controls the upper and lower air chucks 1 and 2, and the controller 21 controls the auxiliary device 10 side. The holder (suction) air operating unit 23 is used for suction and release by a vacuum pump that acts on the suction holes 18 and 31 of the sample holder 14, and the control is also performed by the controller 21. The controller 21 also controls the air operation part 45 for use, and a series of sequence operations including reciprocating movement of the sample holder 14 and transfer of the test piece to the frame can be electrically performed.

In the present embodiment, the manual work by the worker and the operation of the auxiliary device are performed as follows. That is, it is manual or automatic semi-automatic (see FIG. 8). Basically, the test piece 11 is aligned with the positioning member 15, the test piece 11 is held in the holder (test piece holder) 14, and the arm 16 is moved to the chucks 1 and 2 side by the first actuator 12, The actuator 13 described above is used to move the entire device (moved to the front side in FIG. 1 and moved to the right side in FIG. 2), press the holder 14 toward the suction frame, and suck the test piece 11 at the frame side. On the other hand, the holder 14 side is released and the test piece 11 is transferred, the second actuator 13 moves the entire device to the original position, and the first actuator 12 moves the holder 14 to the original position. This can be done by moving and thus tightening the chucks 1, 2.

First, when a thin test piece 11 such as a film is manually placed on the positioning member 15, the mechanical position of the test piece 11 is determined. The operator can press the button for adsorbing the test piece here. In this state, the holder 14 of the arm 16 holds the test piece 11. Then, when the device is operated, the arm 16 conveys the test piece 11 to the correct mounting position of the air chucks 1 and 2 on the main body of the tester by the first actuator 12. That is, the holder is moved to the center of the top of the chuck by the advance (arm advance operation) by the first actuator.

Next, the second actuator 13 is actuated to move the holder 14 so as to lightly press the suction piece surfaces of the pieces 3a and 4a of the air chucks 1 and 2, and the surface of the test piece 11 and the piece 3a. When the surfaces of the chucks 1 and 4a come into close contact with each other, the chucking pieces of the chucks 1 and 2 are sucked by the suction holes 41. When the air suction for chuck pieces is started as shown in FIG. 6, the suction on the holder 14 side may be stopped, so the holding of the test piece 11 of the holder 14 is released there, and the test piece 11 is held as described above. Transfer to the frame side is made.

In this way, the movement of the arm 16 conveys the test piece 11 held by the holder 14 from the starting position to the chucks 1 and 2 of the tensile tester, where the test piece 11 is transferred from the holder 14 side to the frame. The test piece 11 can be automatically transported to assist the mounting by placing the test piece 11 on the positioning member 15 and activating it. By manually placing the test piece 11 on the positioning member 15 and operating the device, the test piece 11 is automatically conveyed to the correct mounting position of the air chucks 1 and 2 and is automatically transferred. Needless to say, since the suction pieces 3a and 4a hold the test piece 11 when the chucks 1 and 2 tighten the test piece 11, the worker's hand is not in danger. Further, since the test piece 11 can be manually handled only by placing the test piece 11 on the positioning member 15 as described above, a thin film such as a film, a soft one or a small one can be easily handled. Furthermore, such work does not require the skilled skill of the worker and improves the work efficiency.

At the above-mentioned time, the test piece 11 is not chucked yet, and the air chucks 1 and 2 are tightened after the test piece 11 and the holder 14 of the life size are retracted from the chucks 1 and 2 side. Is. That is, when the holding of the test piece 11 of the holder 14 is released (adsorption OFF) as described above, first, the second actuator 13 moves the entire apparatus portion including the first actuator 12. That is, the holder 14 is returned in the direction in which the transferred test piece is left on the frame side and is separated. By this operation, even when the positioning member 15 is provided on the holder when the arm 16 returns to the starting position next time, the remaining test piece 11 does not interfere. Next, the arm 16 is moved to the starting position by the first actuator 12. That is, the first actuator 12 returns the holder 14 to the initial position. Next, the air chucks 1 and 2 are tightened at a predetermined timing. As a result, the test piece 11 is attached to the chucks 1 and 2. With this, the device returns to the initial position and completes a series of operations.

In this way, the test piece 11 can be quickly and safely attached to the air chuck simply by attaching the test piece 11 to the holder. , The next test piece can be prepared. That is, the next test piece 11 should be attracted to the holder 14 which has been returned to the starting position and is in the standby state. Therefore, when the test piece under test breaks and the test piece is removed, the holder 14 that was on standby immediately repeats a series of operations including the above-mentioned transfer. You can also do chaking without bothering. In this way, by adhering the next test piece to the sample holder 14 in advance during the test, the work efficiency is further improved for the next test, and the time can be significantly shortened, and as described above. It is possible to secure safety.

As described above, the present embodiment has a sample holder for temporarily holding a test piece, and once the sample holder is manually held by the holder, the sample holder is laterally moved by a switch operation and pulled. In addition to having the function of automatically inserting the air chuck into the air chuck of the tester and then returning the sample holder to the initial state automatically at a certain timing, the pair of ( (2 pieces) Each piece has a small suction hole from the side of the piece to the inner surface of the top of the piece, and the test piece is held in the sample holder and the test piece is inserted according to the above procedure. Hold the test piece held in the sample holder against the suction piece in the air chuck or hydraulic chuck section. By doing so, it is possible to easily transfer the test piece to the frame, and thus it is possible to sufficiently cope with thin test pieces such as films.

That is, in the present embodiment, the sample holder 14 that is the life-size sample and the test piece 11 is used, and the adsorption is performed on the life-size sample holder 14. The test piece 11 is held on the sample holder 14. Then, the first actuator 12 (horizontal movement cylinder) is operated to move the held test piece 11 to the center position between the upper and lower chucks 1 and 2, and further the sample holder 14 is moved. The holder 41 is operated by the second actuator 13 so as to lightly contact the suction piece surface of the pieces 3a, 4a, and when the surface of the test piece 11 and the surfaces of the pieces 3a, 4a come into close contact, the chuck piece After sucking in the suction hole 41 and confirming its operation, the suction of the sample holder 41 was stopped, and the first actuator 12 was returned to its original position (the holder 14 was returned to the center between the frames, 14 is returned to the initial state Thing) Check the can tighten the upper and lower chuck.

By doing so, even a thin film or the like can easily perform the work that has been considerably nervous in the past. In the above description, the test piece 11 is described as a thin film or the like, but it goes without saying that the present embodiment is not limited to the film and the like, and can be used for a rubber or plastic test piece.

The present invention is not limited to the above-described embodiments, but various modifications and variations are possible. For example, in the above embodiment, the upper and lower chucks of the tester body were air chucks, but the chucks are not limited to this. It may be a hydraulic chuck or other actuator. Also, the holding of the holder of the test piece is not limited to the air suction, as described above. Furthermore, the test piece can be held once and the test piece can be peeled from the holding state. It is also possible to put a special paper material having “” on the holder surface and realize the holding function with this.

[0045]

[Effect of device]

 According to the present invention, it is possible to realize a suitable auxiliary device by utilizing not only an automated tensile testing machine but also a general-purpose tensile testing machine operated by humans, so that the test piece can be properly and constantly fixed on the chuck side of the testing machine. It can be transported to the position and transferred to the top side to assist the attachment to the chuck. Therefore, the work of the operator is simple and requires no skilled skill, the work efficiency can be improved, the time can be shortened, and the safety is provided. Moreover, even in the case of a thin test piece such as a film, it is sufficient. It is possible to provide an auxiliary device that can be used, and even if it is a thin film, it is possible to easily perform work that used to be quite nervous.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of an embodiment according to the present invention, and is a front view of an apparatus.

FIG. 2 is a side view of the same.

FIG. 3 is a diagram showing an example of a structure of an applicable chuck.

FIG. 4 is an external view showing an example of a sample holder that can also be applied.

FIG. 5 is likewise an explanatory diagram of a suction piece portion.

FIG. 6 is also a side view of the main parts, showing an example of a specific configuration of the suction piece part.

FIG. 7 is a diagram showing an example of a control system as functional blocks.

FIG. 8 is a flowchart of a manual operation by an operator and an operation of an auxiliary device.

FIG. 9 is an external view of a typical example of an air chuck.

[Explanation of symbols]

 1 Upper chuck 2 Lower chuck 3a, 3b, 4a, 4b Chuck top 10 Auxiliary device 11 Test piece 12 First actuator 13 Second actuator 14 Holder (test piece holding member) 15 Test piece positioning member 16 Arm 17 Groove 18 Suction hole 19 Arm 21 Controller 22 Switch 23 Air working part for holder 31 Suction hole 41 Suction hole 42 Chamber 43 Air conduit 45 Air working part for chuck piece

Claims (4)

[Scope of utility model registration request] 1. A holder including a holder capable of holding a test piece,
A moving means for moving the holder by a movable arm and a means for transferring the test piece conveyed by the holder to a chuck frame of a tensile testing machine are provided, and the test piece held by the holder by the movement of the arm. From the starting position to the chuck of the tensile tester,
A sample mounting assisting device, wherein the holding of a test piece is transferred from the holder side to the top side of the chuck to assist mounting on the chuck. 2. The sample mounting auxiliary device according to claim 1, further comprising a positioning portion capable of positioning the test piece by placing the test piece, and the positioned test piece is held by a holder. 3. A test piece is manually held in a holder and then the holder is moved by a switch to insert the test piece into an actuator-operated chuck, and the test piece is inserted from the holder side into the chuck frame. And a function of controlling so that the holder is automatically returned to the initial state after the transfer and the chuck to which the test piece has been transferred is closed at a predetermined timing. The sample mounting auxiliary device according to claim 1 or 2. 4. The chuck according to claim 3, wherein a suction hole for sucking a test piece is provided in one of a pair of opposing tops of the chuck, and the test piece is inserted into the chuck while being held by the holder. A sample mounting auxiliary device characterized in that the test piece held by the holder is pressed against the suction piece side at a predetermined timing so that the test piece can be sucked to the piece.