JPH11150399A - Electronic part mounting equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic part mounting equipment equipped with an area sensor which ensures safety for a human body, is small in floor space, simple in structure, and provided at a low cost. SOLUTION: An area sensor S which is capable of detecting for itself a human body located within a specific range is provided respectively above human body detection necessary ranges A and B set for ensuring safety for an operator corresponding to the opening 7 of an operation part where the drive mechanism of an electronic part mounting equipment 1 is provided. A human body or a part of a human body approaching from one direction and reaching within a specific range is detected, so that the area sensor S ensuring safety for a human body can be installed by the use of a simple structure without requiring a large space and complicate attachments.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic component mounting apparatus used for an electronic component mounting line for mounting electronic components on a substrate.

[0002]

2. Description of the Related Art An electronic component mounting line for mounting an electronic component on a substrate includes a screen printing device for applying cream solder for soldering the electronic component to the substrate, a bond coating device for applying a bond for bonding the electronic component, and an electronic device. It is constituted by various electronic component mounting devices such as an electronic component mounting device for transferring components to a substrate and various inspection devices.

[0003] In these electronic component mounting apparatuses, the operation during normal operation is largely automated. However, in many cases, such as work supply, treatment in case of machine trouble, and daily maintenance and inspection work, the operator directly operates the electronic components. It is necessary to touch the mounting device and perform various operations. At this time, the electronic component mounting apparatus is provided with an area sensor for detecting a human body in each part so that the operator operates carelessly to operate the apparatus and the safety of the operator is not impaired. . An interlock is provided so that when the body part of the operator is detected in a predetermined range set as the human body detection target range, the entire device is not operated.

[0004]

However, the conventional electronic component mounting apparatus has the following problems with the above-described human body detection area sensor. First, when it is necessary to set the human body detection target range over a wide range of the electronic component mounting apparatus, a large-scale auxiliary component is required when mounting the area sensor. That is, in the conventional electronic component mounting apparatus, the area sensor used is of a light-shielding type and is divided into two parts, a light emitting part and a light receiving part. The projecting parts must be protruded, and the light projecting part and the light receiving part must be arranged at the tip of the accessory.

When it is necessary to partially cover a specific range of the electronic component mounting apparatus, the light emitting portion and the light receiving portion of the area sensor must be similarly arranged so as to sandwich the range. This has been a factor complicating the structure and arrangement of each part. As described above, in the conventional electronic component mounting apparatus, there is a problem that a large space is required for arranging the area sensor for ensuring the safety of the human body, and the structure and the arrangement are complicated, which causes a cost increase. Was.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an electronic component mounting apparatus having a simple structure and a low-cost area sensor for ensuring safety of a human body without requiring a large space for arrangement.

[0007]

An electronic component mounting apparatus according to the present invention is an electronic component mounting apparatus used in an electronic component mounting line for mounting an electronic component on a substrate, and includes a drive unit for driving the electronic component mounting apparatus. The operating unit in which the mechanism is disposed has an opening that is open to the outside, and a specific range of a specific range is set alone above the human body detection target range for operator safety that is set corresponding to this opening. An area sensor capable of detecting a human body is provided, and if it is detected by this area sensor that the operator has entered the human body detection target range, the entire electronic component mounting apparatus or this human body detection target range is supported. The driving of the operating part that is performing is stopped.

According to the present invention, since an area sensor capable of detecting a human body in a specific range by itself is provided above the required human body detection range of the electronic component mounting apparatus, a large space and complicated auxiliary components are required. The area sensor for ensuring the safety of the human body can be arranged with a simple structure without the need.

[0009]

Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 is a perspective view of an electronic component mounting apparatus according to an embodiment of the present invention, FIG. 2A is a front view of the electronic component mounting apparatus, and FIG. 2B is a side view of the electronic component mounting apparatus. FIG. 3A is a front view of the electronic component mounting apparatus.
FIG. 3B is a side view of the electronic component mounting apparatus.

First, an electronic component mounting apparatus will be described with reference to FIG. In FIG. 1, the electronic component mounting apparatus 1 has a gantry 2 and an operating unit 3 formed by combining various driving mechanisms on the gantry 2. The periphery of the gantry 2 is closed by a cover 4. An operation panel 5, a display 6, and the like are provided on a front surface of the operation unit 3. The operating section 3 is provided with various driving mechanisms corresponding to the functions of the electronic component mounting apparatus, and is opened to the outside by an opening 7 shown by a chain line.

When the apparatus is in operation, a drive mechanism is operating inside the opening 7, and if an operator enters a body part such as a hand into the opening 7, the safety of the operator may be impaired, leading to a work-related accident. . Therefore, it is forbidden to enter a body part into the opening 7 except in a case determined at the time of maintenance and inspection of the apparatus.

In order not to cause a situation in which the body part of the operator enters the entry prohibited range, the operator only needs to be located within a certain range around the opening 7. Therefore, this predetermined range is set as a human body detection target range for ensuring safety, and this range is monitored by monitoring means, and the presence of an operator (or a body part or an object carried by the operator) is within the range. Is detected, the entire apparatus is immediately stopped or the driving of the corresponding operation unit is stopped, whereby it is possible to prevent a situation in which the body part of the operator enters the opening 7 during operation. As shown in FIG. 1, four area sensors S are provided above the operation unit 3 and supported by brackets 8 and 9 in the electronic component mounting apparatus 1 as this monitoring means.

Next, referring to FIGS. 2 and 3, the area sensor S
Will be described. The human body detection ranges A and B indicated by broken lines in FIG. 2 are set according to the type of the electronic component mounting apparatus 1 and the opening 7 as an entry prohibition range. An area sensor S is provided above the human body detection target ranges A and B. This area sensor S
Unlike the conventionally used light-shielding detection type area sensor,
By installing a single sensor only on one side of the detection target range, a human body (or a part of the human body) within the specified target range can be detected.

The area sensor S detects infrared rays emitted from a part of the human body, or the area sensor S emits light such as infrared rays and detects light reflected by a detection target such as a human body. It is possible to use a method that uses a method.

As shown in FIG. 2, an electronic component mounting apparatus 1
, Two area sensors S are provided on the front and rear surfaces, respectively. In this arrangement example, the area sensor S has a target detection range of about half the width of the apparatus.

FIG. 3 shows an example in which an area sensor S 'having a wider detection target range is used. In this example, one area sensor S 'is provided on each of the front and rear surfaces of the electronic component mounting apparatus 1, and one area sensor S' covers the entire width of the apparatus. In this arrangement example, since only one bracket 10 needs to be used for mounting the area sensor S ', the arrangement and structure are simpler.

As described above, by disposing the area sensors S and S 'above the human body detection target range, it is not necessary to install an accessory such as a safety fence which is required in the conventional method of arranging the area sensors. The area sensor for ensuring the safety of the human body can be arranged at low cost without requiring an extra space. In addition, the number of obstacles around the opening 7 can be reduced, and the maintenance work can be easily performed.

Next, the operation of the area sensors S and S 'will be described. During the operation of the various electronic component mounting apparatuses 1 constituting the electronic component mounting line, the operator patrols while monitoring the periphery of each apparatus. At this time, for some reason, a part of the body of the operator, the belongings of the operator, or an extraneous foreign substance that should not originally enter may enter the human body detection range for ensuring safety. Then
The area sensors S and S ′ detect the entry of a body part or foreign matter, and stop driving the entire device or the operation unit 3 corresponding to the detection target range. In this way, the safety of the operator can be ensured even when a part of the body or personal belongings enters the human body detection target range due to the carelessness of the operator, or when a foreign object enters and may cause an unexpected situation. Can be.

[0019]

According to the present invention, an area sensor capable of detecting a human body in a specific range by itself is disposed above the required range of human body detection of the electronic component mounting apparatus. An auxiliary component such as a safety fence required when a light-shielding type sensor is used in the device is not required, and an area sensor for ensuring human body safety can be arranged with a simple structure and therefore at a low cost. In addition, since the number of obstacles around the opening can be reduced, the work at the time of maintenance and inspection can be easily performed.

[Brief description of the drawings]

FIG. 1 is a perspective view of an electronic component mounting apparatus according to an embodiment of the present invention.

FIG. 2A is a front view of an electronic component mounting apparatus according to an embodiment of the present invention. FIG. 2B is a side view of the electronic component mounting apparatus according to one embodiment of the present invention.

FIG. 3A is a front view of an electronic component mounting apparatus according to an embodiment of the present invention. FIG. 3B is a side view of the electronic component mounting apparatus according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Electronic component mounting apparatus 3 Operating part 7 Opening 8 Bracket 9 Bracket S, S 'Area sensor

Claims (1)

[Claims] 1. An electronic component mounting apparatus used in an electronic component mounting line for mounting an electronic component on a substrate, wherein an operation section provided with a drive mechanism of the electronic component mounting apparatus is opened to the outside. An area sensor that has an opening and is capable of detecting a specific range of a human body by itself is disposed above a human body detection target range for ensuring the safety of an operator set corresponding to the opening. When it is detected by the area sensor that the operator has entered the human body detection target range, the driving of the entire electronic component mounting apparatus or the operation unit corresponding to the human body detection target range is stopped. Electronic component mounting equipment.