JP3251252B2 - Work detecting device and its detecting method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work detecting device provided for securely sending individual works to a sorting handler in a process of transporting a shipped work to a sorting handler. .

[0002]

2. Description of the Related Art Conventionally, ICs, so-called works, which have been commercialized through a packaging process, are housed in a container called an IC cartridge and shipped, and are individually classified by a work detecting device connected to the IC cartridge.
The process has been shifted to the process of sorting by the sorting handler.
FIG. 2 is a cross-sectional view illustrating a configuration of a conventional work detection device. As shown in FIG. 2A, which is a front sectional view of a conventional work detection device, a conventional work detection device 1
Is connected between an IC cartridge (not shown) and a sorting handler (not shown) by an IC cartridge side chute 11 and a sorting handler side chute 12 each having a cylindrical shape provided with a groove therein. . In addition, the conventional work detecting device 1 has a chute 11 on the IC cartridge side.
And an operation unit 2 that slides and moves between the chutes 12 on the sorting handler side by the air cylinder 6. The operating unit 2 has the same cross-sectional shape as the IC cartridge-side chutes 11 and the sorting handler-side chutes 12. Are provided, and the through holes serve as a work passage 3 in the operation unit 2. In other words, the conventional work detection device 1 includes the chute 11 on the IC cartridge side in the operation unit 2.
, The chute 12 on the sorting handler side is not connected. In addition, when the work 51 is stored in the operation unit 2, the operation unit 2 is provided with a positioning stopper 4 for individually positioning the work 51. Further, as shown in FIG. 2B, which is a cross-sectional view of the work detection device 1 above the conventional work detection device 1, that is, the IC cartridge side, the connection between the chute 11 on the IC cartridge side and the operation unit 2 is changed. The transmitting and receiving sensors 5 are provided so that the sensor light passes. At this time, the upper surface of the positioning stopper 4 is moved from the upper surface of the operation unit 2 to the integrated work 5.
It was set to be one length below.

In the method of individually detecting the work 51 using the conventional work detection device 1 having the above-described configuration, the work 51 moves from an IC cartridge (not shown) within the IC cartridge-side chute 11 by its own weight. Is stored in the work passage 3 of the operation unit 2 provided in the work detection device 1 and stopped by the positioning stopper 4. Said I
Since a plurality of works 51 flow from a C cartridge (not shown), the IC cartridge-side chute 1
The work 51 is individually recognized by the sensor 5 installed so that the work 51 can be recognized at the connection portion between the first unit 1 and the operation unit 2. The operation unit 2 slides while the individually recognized works 51 are stored, and the work path 3
Is connected to the sorting handler side chute 12 to
Has shifted to a mounting process on a substrate by a sorting handler (not shown).

[0004]

However, the conventional work detecting device has the following problems. In the conventional work detection device, when the operation unit is operated after the work moves in the chute and reaches the positioning stopper, the unit is not moved until the integrated work reaches the work passage in the operation unit without fail. If the operation is not performed, the work may be pinched, and the sensor for detecting the work needs to be aligned with the upper surface of the operation unit. When the length of the work is different, only the position of the positioning stopper is changed,
There is a trouble that the position of the sensor must be changed. If the position of the sensor is not changed, the timing of the detection of the work and the operation of the operation unit may be shifted, and the work may be pinched and the work may be damaged.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems in the prior art, and has as its object to provide a work detecting apparatus capable of reliably individualizing works having different standards.

[0006]

According to a first aspect of the present invention, there is provided a workpiece detecting apparatus provided with an opening in an operation unit, wherein the sensor operates through the opening. It is an area sensor that is set as a light receiving range in an arbitrary range of a work storage portion in the unit.

An opening is provided in the operation unit, and the sensor is an area sensor which is transmitted through the opening and is set as a light receiving area in an arbitrary range of a work storage portion in the operation unit. Not only does the range of recognizing the work stored in the operation unit expand, but also it is possible to reliably recognize that the work is held by the flange and stored in the operation unit.

A work detection device according to a second invention of the present application provided to solve the above-mentioned problem is that the sensor is an area sensor that is installed with the entire range of the work storage portion in the operation unit as a light receiving range. It is characterized by.

[0009] Since the sensor is an area sensor that is set to receive the entire range of the work storage area in the operation unit as a light receiving range, the sensing area is blocked by the work and the flange, the work is held by the flange, and It is possible to reliably recognize that the operation unit is stored in the operation unit.

A work detecting device according to a third aspect of the present invention, which is provided to solve the above-mentioned problem, is characterized in that a flange is provided at a distal end of a positioning stopper.

By providing a flange at the tip of the positioning stopper, it is possible to eliminate the trouble of changing the setting of the positioning stopper in response to a workpiece having a different standard.

According to a fourth aspect of the present invention, there is provided a work detecting apparatus according to a fourth aspect of the present invention, wherein the length of the projecting portion of the flange is obtained by subtracting the length of the work from the length of the work passage in the operation unit. It is characterized in that it is almost equal to the length.

Since the length of the projecting portion of the flange is substantially equal to the length obtained by subtracting the length of the work from the length of the work passage in the operation unit, the work accommodated in the operation unit can be more reliably recognized. It is possible to do.

A work detecting device according to a fifth invention of the present application provided to solve the above-mentioned problem is characterized in that the length of the flange is variable.

The variable length of the flange allows
It is possible to eliminate the trouble of changing the setting of the positioning stopper in response to a workpiece having a different standard.

A work detector according to a sixth aspect of the present invention provided to solve the above-mentioned problem is characterized in that a positioning stopper is detachable.

Since the positioning stopper is detachable, it is possible to reliably recognize even a work of a standard which is difficult to cope with only by adjusting the length of the flange.

According to a seventh aspect of the present invention, there is provided a method for detecting a work, wherein a part of a recognition range of a sensor is shielded from light by a positioning stopper, and the work is positioned in another recognition range. By reaching the stopper, the work in the operation unit is individually recognized.

A part of the recognition range of the sensor is shielded from light by a positioning stopper, and the other recognition range is individually recognized as a workpiece in the operation unit when the workpiece reaches the positioning stopper. The sensing area is cut off by the flange and the flange, and it is possible to reliably recognize that the work is held by the flange and housed in the operation unit.

According to an eighth aspect of the present invention, there is provided a method for detecting a workpiece, comprising the steps of:
By changing the length of the flange provided at the end of the lid and holding the work, works of a plurality of standards are recognized.

By recognizing works of a plurality of standards by changing the length of the flange, it is possible to eliminate the trouble of changing the setting of the positioning stopper in response to works of different standards. .

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a work detecting device according to the present invention will be described with reference to the drawings. FIG.
1 is a cross-sectional view illustrating a configuration of a work detection device according to an embodiment of the present invention. As shown in FIG. 1, a work detection device 1 according to the present invention sorts an IC cartridge (not shown) through an IC cartridge side chute 11 and a selection handler side chute 12 each having a cylindrical shape provided with a groove therein. It is connected to a handler (not shown). Further, the work detecting device 1 according to the present invention is provided with an operation unit 2 provided with a work passage 3 which is a through hole having the same cross-sectional shape as the IC cartridge-side chute 11 and the sorting handler-side chute 12. The operation unit 2 is provided with a positioning stopper 4 for holding the work 51 flowing from the IC cartridge-side chute 11 in the work passage 3. A flange 104 that can be changed to an arbitrary length according to the standard of the work 51 is provided at an end of the positioning stopper 4, and a distance from the end of the flange 104 to the upper surface of the operation unit 2 is provided. The positioning stopper 4 is installed so that the length of the workpiece 51 is equal to the length of the work 51. Further, the operation unit 2 is provided with an opening 101 in the form of a through hole orthogonal to the work passage 3.
The range where 1 is provided is set from the lower surface of the positioning stopper 4 to the upper surface of the operation unit 2.

An area sensor 102 for transmitting a signal and an area sensor 103 for receiving a signal are provided on both sides of the operation unit 2 using the opening 101 as a recognition area. Here, if the opening 101 functions sufficiently to operate the transmission area sensor 102 and the reception area sensor 103, the operation unit 2
However, the present invention is not limited to the form of the through hole, and may be a form of a window using a material having a high transmittance. The degree of exposure of the flange 104 in the opening 101 is as follows:
As described above, depending on the setting of the positions of the flange 104 and the opening 101, the condition that at least the flange 104 exposes the inside of the opening 101 may be satisfied. Further, the flange 104 can be freely attached to and detached from the operation unit 2 so that it can be reliably recognized even for a work 51 of a standard that is difficult to cope with only by adjusting the length of the flange 104. May be.

Next, a detection method of the work detection device according to the present invention will be described with reference to the drawings. As shown in FIG. 1A, the signal passes through an opening 101 provided in an operation unit 2 of a work detection device 1 according to the present invention, and is transmitted from an area sensor 102 on a signal transmission side to an area sensor 103 on a reception side.
A luminous flux such as an infrared ray is emitted toward. At this time,
Since a part of the sensing area formed by the light beam is blocked by the positioning stopper 4 and the flange 104, the receiving side area sensor 103 recognizes a sensing area smaller than the range of the opening 101. become.

Thereafter, the plurality of works 51 arriving at the work detecting device 1 from the IC cartridge (not shown) via the inside of the IC cartridge-side chute 11 are fed to the flange 104 of the positioning stopper 4 provided in the work passage 3.
, And only the integral work 51 is
4 and the upper surface of the operation unit 2. FIG. 1B shows a state in which the integrated work 51 is housed in the operation unit 2 and held by the flange 104. As shown in FIG. 1B, the area sensor 103 on the receiving side completely blocks the light beam by the integral work 51 housed in the operation unit 2 in addition to the light beam being blocked by the flange 104 described above. Such a light flux is not recognized at all. As described above, in a state where the area sensor 103 on the receiving side does not recognize the light beam of the area sensor 102 on the transmitting side, the integrated work 51 is determined.
Is moved to the sorting handler side chute 12 in order to slide the operating unit 2 while storing it and transfer it to the sorting handler process which is the next process.

[0026]

According to the work detecting apparatus and the work detecting method of the present invention, works can be recognized one by one, and an unexpected accident caused by the setting of the sensor and the movement of the operation unit can be prevented beforehand. It becomes possible. In addition, since it is possible to detect in accordance with the standard of the work, it is possible to reduce a burden on an operator that a complicated setting operation does not have to be performed according to a change in the standard of the work. It is possible.

[0027]

[Brief description of the drawings]

FIG. 1 is a diagram illustrating a configuration of a work detection device according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating a configuration of a conventional work detection device.
FIG.

FIG. 3 is a diagram showing a configuration of an operation unit of a conventional work detection device.

[Explanation of symbols]

 1. Work detection device 2. Operation unit 3. Work passage 4. Positioning stopper 5. Sensor 6. Air cylinder 11. IC cartridge side shoot 12. Sorting handler side chute 51. Work 101. Aperture. 102. Area sensor 103. Area sensor 104. Flange

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) G01B 11/00

Claims (8)

(57) [Claims] An operation unit for individually storing a work via a chute connected to an IC cartridge; a positioning stopper provided near the operation unit for determining a position of the work in the operation unit; In a work detection device including a sensor that detects whether a work has reached a positioning stopper, an opening is provided in the operation unit, and the sensor penetrates the opening to allow any part of a work storage portion in the operation unit. A work detection device, wherein the work detection device is an area sensor that is set as a light receiving range. 2. The work detecting device according to claim 1, wherein said sensor is an area sensor which is set as a light receiving range in an entire range of the work storage portion in the operation unit. 3. The workpiece detecting device according to claim 1, wherein a flange is provided at a tip of the positioning stopper. 4. The length of the projecting portion of the flange is substantially equal to a length obtained by subtracting a length of a work from a length of a work passage in the operation unit. 3. The workpiece detecting device according to claim 1. 5. The work detecting device according to claim 3, wherein the length of the flange is variable. 6. The work detecting apparatus according to claim 1, wherein said positioning stopper is detachable. 7. When a work reaches a positioning stopper provided in an operation unit through a chute, the work is individually recognized by a sensor, and the work is stored in the operation unit and carried to the next step. In the detection method, a part of the recognition range of the sensor is shielded from light by a positioning stopper, and the workpiece in the operation unit is individually recognized by another workpiece reaching the positioning stopper. Work detection method. 8. A positioning stopper provided at an end of the positioning stopper,
The method for detecting a work according to claim 7, wherein a work of a plurality of standards is recognized by changing a length of a flange holding the work.