JPH11245123A - Electronic part mounted device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve productivity by supplying parts without stopping the movement of a head even if any part shortage occurs at a part supply part. SOLUTION: This device supplies parts from a main parts supply part 4a to a head 11. If any part shortage occurs in the main parts supply part 4a under the condition, the parts are supplied continuously to the head 11 front an auxiliary parts supply parts 4b. By supplying the parts to the main parts supply 4a at this time, the productivity is improved without stopping the head 11.

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 for mounting various types of electronic components, such as resistors, capacitors, and coil components, on a printed circuit board.

[0002]

2. Description of the Related Art A conventional electronic component mounting apparatus includes a main body,
The component mounting section and the component supply section provided in the main body, and a head for receiving the component from the component supply section and mounting the component in the component mounting section are provided.

[0003]

In the above-described electronic component mounting apparatus, when the mounting of components by the head progresses and the component supply section runs out of components, the movement of the head is stopped, and in that state, the component supply section is stopped. Parts were replenished and restarted in that state.

That is, there is a problem in that the head is stopped every time a component shortage occurs and component supply is performed each time, resulting in poor productivity.

Accordingly, an object of the present invention is to increase productivity without stopping a head in a component supply section.

[0006]

According to the present invention, a plurality of component supply units are provided on the main body, at least one of which is a main component supply unit, and at least one of which is a main component supply unit. A spare parts supply unit,
In the event that parts are missing in the main parts supply section,
A component is supplied from the spare component supply unit to the head, and in this state, the component can be supplied to the main component supply unit.

That is, in this way, the components can be supplied to the component supply unit without stopping the head, so that the productivity can be improved.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a main body, a component supply section and a plurality of component supply units provided on the main body, and a component from at least one of the plurality of component supply units; And a head for mounting a component in the component mounting section after receiving the component, wherein at least one of the plurality of component supply sections is a main component supply section, and at least one other is a spare component supply section. In the component mounting apparatus, a component is supplied from the main component supply unit to the head, and in the state where the component is cut out in the main component supply unit, the component is continuously supplied from the spare component supply unit to the head. At this time, the parts can be supplied to the main parts supply unit, so that the productivity can be improved without stopping the head.

According to a second aspect of the present invention, there is provided the electronic component mounting apparatus according to the first aspect, wherein a main component supply unit, a spare component supply unit, and a head are provided at both ends of the mounting unit.
By providing the main and spare component supply units and the heads on both sides of the mounting unit in this way, the mounting unit can continuously supply components from the left and right heads, thereby increasing the mounting speed. Things. At this time, since there is a main and spare parts supply unit for the left and right heads, productivity can be improved without stopping the heads even when parts are cut out.

[0010] Further, the invention according to claim 3 of the present invention provides:
3. The electronic component mounting apparatus according to claim 1, wherein a detection unit is provided on a movement path of the head from the component supply unit to the mounting unit, wherein the detection unit is provided on the movement path of the head. By monitoring the head which must receive the component and move to the mounting unit, the component supply unit reliably detects whether or not the component still remains.

When this state occurs once or several times, it is determined that the component supply unit has run out of components,
The component is supplied to the head from another component supply unit.

[0012] The invention described in claim 4 of the present invention provides:
4. The electronic component according to claim 1, wherein a plurality of component supply units are provided in the component supply unit, and a frequently used component is set on the component mounting unit side of the plurality of component supply units. 5. By providing a frequently used component on the mounting portion side, the mounting device can reduce the moving distance of the head, and as a result, can mount at high speed.

Further, according to a fifth aspect of the present invention, a component supply section includes a guide rail, a base slidably provided on the guide rail, and a component supply unit provided on the base. The electronic component mounting apparatus according to any one of claims 1 to 4, further comprising a supply driver provided near the main body and fixed to the main body, wherein the supply is configured to supply the component from the component supply unit to the head. Since the driving body is not fixed to the base of the component supply unit but to the main body, the supply driving body does not need to be operated when the base is slid along the guide rail during component supply, and the configuration is simplified. Things.

According to a sixth aspect of the present invention, there is provided the electronic component mounting apparatus according to the fifth aspect, wherein a drive source for moving the base is provided, and a position sensor is provided near the drive source. Thus, when the base is pushed out by the drive source at the time of replenishment of components, the pushed-out state can be reliably detected.

Further, the invention according to claim 7 of the present invention is the electronic component mounting apparatus according to claim 6, wherein the position sensor has an exchange position detection sensor and a supply position detection sensor. If the sensor is divided into two sensors, the replacement position and the supply position can be reliably detected.

The invention according to claim 8 of the present invention provides:
7. A shock absorbing means is provided at or near the drive source.
Or the electronic component mounting apparatus according to 7, wherein when the base is slid at the time of replenishment of components and an impact is applied at the time of pushing or resetting, the operation is continuously performed. In some cases, the mounting by a certain head may have an adverse effect, and the impact is mitigated to eliminate the adverse effect.

The invention according to claim 9 of the present invention provides:
The electronic component mounting apparatus according to any one of claims 5 to 8, wherein the tape guide is integrally provided on the base, wherein the component supply unit mounted on the base is taped. Must be ejected, but if this ejector is provided integrally with the base, the ejected tape will also be ejected at the same time when the base is pulled out, so when resetting it, In which the workability is good. In other words, if the tape guide is fixed to the main unit, the tape will remain on the main unit when the base is pulled out and will be in an extended state. However, when the tape guide is provided integrally with the base as in the present invention, such an extra tape resetting operation is required. It is unnecessary and the workability is good.

According to a tenth aspect of the present invention, in one of the main or spare parts supply units, the rear end of the base is located rearward of the front end of the other base at the replacement position. The electronic component mounting apparatus according to any one of claims 1 to 9, wherein the electronic component mounting apparatus is located when the base is extruded when the component is supplied. No inadvertent gap is formed between the rear end of the unit and the front end of the set component supply unit. That is, when such an inadvertent gap is formed, a tool or the like is caught in that part and the base This may be an obstacle when resetting the camera, so that such a thing is avoided.

An embodiment of the present invention will be described below with reference to the accompanying drawings. (Embodiment 1) In FIG. 1, reference numeral 1 denotes a main body, and the main body 1 is formed in a frame shape by a frame. A component mounting section 2 is provided at the center of the main body 1 and component supply sections 3 and 4 are provided on both sides thereof. A mounting head 11 is provided between the component supply sections 3 and 4 and the component mounting section 2 respectively. It is arranged movably.

The component mounting section 2 is provided with a table section 5 driven in the Y direction.
The printed circuit board 6 is held on the upper surface of.

In this state, the component supply units 3 and 4 are provided on both sides of the component mounting unit 2.
Each of these component supply units 3 and 4 has two component supply units 3a, 3b, 4a and 4b as shown in FIGS. Here, for simplicity of description, one of the component supply units 4 will be described with reference to FIGS. 3 to 9, but the other component supply unit 3 has the same configuration.

That is, as shown in FIG.
Is a main component supply unit 4a provided on the component mounting unit 2 side.
(3a) and spare parts supply unit 4b provided outside thereof
(3b) is provided. As shown in FIGS. 2 to 5, the main and spare parts supply units 4a and 4b are provided with a guide rail 7, a base 8 slidably provided on the guide rail 7, and a base 8 on the base 8. 6 and a component supply unit 9 provided, and an air cylinder 10 is attached to the base 8 as a drive source for moving the base 8 as shown in FIGS. It is what is being done. For example, when the air cylinder 10 of the main component supply unit 4a is driven as shown in FIG. 4, the base 8 is pushed out and moved toward the front side, and in this state, the components are supplied to the component supply unit 9 that has run out of components. Replenishment is performed.

A detecting section 12 is provided between the component mounting section 2 and the left and right component supply sections 3 and 4 on the moving path of each head 11 as shown in FIG. Therefore, the presence or absence of the component is detected by the time when the head 11 receives the component from the component supply unit 4a and mounts it in the component mounting unit 2, and the detection here is 1
If it is determined that the component is not supplied one or several times, the controller 13 determines at this point that the component has run out.

The control signal is transmitted from the controller 13 to the solenoid valve 14 by the controller 13 and the air is supplied to the air cylinder 10 by the controller 13 to determine whether the air cylinder 10 has run out. As shown in FIGS. The base 8 is pushed forward. At the time of this extrusion, an exchange position detection sensor 15 and a supply position detection sensor 16 are provided in the head 11 as shown in FIG. 3. When the exchange position detection sensor 15 detects by driving the air cylinder 10, It is detected that the base 8 has been pushed out to the correct replacement position. Of course, in this case as well, the head 11 is connected to the spare parts supply section 4b.
, The parts are continuously received, and the head 11 is continuously operated.

As described above, since there is no need to stop the equipment for supplying parts, efficient production can be performed. Such an effect is particularly remarkable in a configuration in which the mounting operation is performed alternately from the component supply units 3 and 4 arranged on both sides of the component mounting unit 2 by the two heads 11 as shown in the present embodiment. become.

In this operating state, the component supply unit 9 is removed from the base 8 pushed out by the air cylinder 10 as described above, and components are replenished.

When the replenishment is completed, the air cylinder 10 returns to the supply position by pressing the SW 17 in FIG. 9. When the supply position detecting sensor 16 determines the state, the controller 13 sends the main component supply unit to the head 11 again. 4a instructs the supply of parts.

That is, it is more efficient to receive a component supplied from the main component supply unit 4a as close as possible to the component mounting unit 2.

As described above, the base 8 is pushed out at the time of exchanging parts. At this time, since the head 11 is continuously operated, an impact is applied when the head 11 sucks or mounts the part. If it is applied, a component suction error or a mounting error may occur. In order to avoid this, in the present embodiment, a spring plunger 18 is provided on an L-shaped fitting 25 connected to a piston rod 24 of the air cylinder 10 as shown in FIG. The impact is reduced by bringing the positioning block 26 fixed to the abutment into contact.

Further, the air cylinder 10 has a structure in which an elastic body such as rubber is provided inside, or the air cylinder 1
It is preferable that the air cylinder 10 is provided with a means for adjusting the flow rate of air discharged from the inside of the air cylinder 10. Since the shock can be reduced, the shock can be further reduced.

Further, as shown in FIG. 6, since the supply driving body 19 for operating the component supply unit 9 is fixed to the main body position side, the base 8 is pulled out or pushed in as shown in FIG. In this case as well, the supply driving body 19 is in a state of maintaining the fixed position. That is, since the supply driving body 19 does not need to be moved, the configuration of this portion can be simplified.

Further, in this embodiment, since the tape guide 20 is provided integrally with the base 8 as shown in FIG. 8, the tape guide 20 moves back and forth together with the base 8 when the base 8 moves. It has become. For this reason, the tape waste 21 is not left in a state of being fully extended to the main body 1 side.
When the base 8 moves to the supply position again, it is not necessary to return the tape scraps 21 to the original state, and the workability is improved.

Also, as shown in FIG.
Is pushed out, the rear end portion 22 is provided behind the front end portion 23 of the spare component supply portion 4b. Therefore, no careless gap is formed, and the rear portion 22 is located behind the main component supply portion 4a. End 22 and front end 2 of spare parts supply unit 4b
Since no foreign matter or the like is caught between the device 3 and the device 3, it is possible to prevent a failure of the equipment.

In the present embodiment, the component supply unit 4 has a main component supply unit 4a provided on the component mounting unit 2 side and a spare component supply unit 4b provided outside the component supply unit 4a. The operation of supplying a component from the spare component supply unit 4b only when the component supply unit 4a has run out of components has been described, but the component supply units provided on both sides of the component mounting unit 2 as shown in FIG. 3 and 4 have two component supply units 3a and 3b and 4a and 4b, respectively.
The combination of “a” is the parts supply unit of production type A, 3b, 4b
Is produced in the arrangement of the component supply unit of the production type B, the head 11 is not stopped even when the component used in the next production type B is supplied to the component supply unit while the production type A is being produced. Since the component supply units can be replaced by pulling out the component supply units 3b and 4b to the component replacement position, the production preparation time can be reduced and the productivity can be improved.

Note that the parts supply units of the production type A are 3a, 4
a) The component supply unit of the product type B has been described as a combination of 3b and 4b, but it goes without saying that a combination of 3a and 4b and a combination of 3b and 4a can also be used.

Further, in the present embodiment, the component supply units 3 and
4, two component supply units 3a, 3b, 4a, 4b
Although the description has been given of the case where the parts are divided and used, if all the parts supply units 3a to 4b are used at the same time, it is possible to produce using the parts of the largest kind.

As described above, if the component supply unit is used in accordance with various production modes, it is possible to produce a small variety to a large variety.

In FIG. 9, reference numeral 28 denotes a motor for driving the head 11, and reference numeral 29 denotes a motor control driver.

[0039]

As described above, according to the present invention, the main component supply unit and the spare component supply unit are arranged in the component supply unit, so that the main component supply unit is cut off. In such a case, the parts are continuously supplied from the spare parts supply unit to the head, and at this time, the parts can be supplied to the main parts supply unit. It can be enhanced.

[Brief description of the drawings]

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

FIG. 2 is a perspective view showing a component supply unit of the apparatus.

FIG. 3 is a perspective view showing a component supply unit of the apparatus.

FIG. 4 is a plan view showing a component supply unit of the apparatus.

FIG. 5 is a plan view showing a component supply unit of the apparatus.

FIG. 6 is a partial cross-sectional side view of a component supply unit of the apparatus.

FIG. 7 is a partial cross-sectional side view showing the operation of a component supply unit of the apparatus.

FIG. 8 is a partial cross-sectional side view showing a positional relationship between a component supply unit and a tape guide of the apparatus.

FIG. 9 is a control block diagram of the device.

FIG. 10 is a schematic plan view showing an arrangement relationship of a component supply unit of the apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Component mounting part 3 Component supply part 3a Main component supply part 3b Spare component supply part 4 Component supply part 4a Main component supply part 4b Spare component supply part 5 Table part 6 Printed circuit board 7 Guide rail 8 Base 9 Component Supply Unit 10 Air Cylinder 11 Head 12 Detector 13 Controller 14 Solenoid Valve 15 Replacement Position Detection Sensor 16 Supply Position Detection Sensor 17 SW 18 Spring Plunger 19 Supply Driver 20 Tape Guide 21 Tape Scrap 22 Rear End 23 Front End 24 Piston rod 25 L-shaped bracket 26 Positioning block 27 Piston

 ──────────────────────────────────────────────────続 き Continued from the front page (72) Inventor Yasuhiro Higashi 1006 Kazuma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.

Claims (10)

[Claims] 1. A main body, a component mounting section and a plurality of component supply sections provided in the main body, and a head for mounting a component in the component mounting section after receiving a component from at least one of the plurality of component supply sections. An electronic component mounting apparatus comprising at least one of the plurality of component supply units as a main supply unit and another component supply unit as a spare component supply unit. 2. The electronic component mounting apparatus according to claim 1, wherein a main component supply unit, a spare component supply unit, and a head are provided on both sides of the mounting unit. 3. The electronic component mounting apparatus according to claim 1, wherein a detection unit is provided on a moving path of the head from the component supply unit to the mounting unit. 4. The component supply unit includes a plurality of component supply units, and among the plurality of component supply units, a frequently used component is set on a component mounting unit side. An electronic component mounting apparatus according to claim 1. 5. The component supply section includes a guide rail, a base slidably provided on the guide rail, a component supply unit provided on the base, and a component supply unit provided near the component supply unit. The electronic component mounting apparatus according to any one of claims 1 to 4, further comprising a supply driver fixed to the main body. 6. A driving source for moving the base, and a position sensor is provided near the driving source.
An electronic component mounting apparatus according to claim 1. 7. The electronic component mounting apparatus according to claim 6, wherein the position sensor has an exchange position detection sensor and a supply position detection sensor. 8. The electronic component mounting apparatus according to claim 6, wherein a cylinder is used as a drive source for moving the base, and impact mitigation means is provided near the cylinder. 9. The electronic component mounting apparatus according to claim 5, wherein a tape guide is integrally provided on the base. 10. The apparatus according to claim 1, wherein one of the bases of the main or spare parts supply unit has a rear end located rearward of a front end of the other base at the replacement position. An electronic component mounting apparatus according to any one of the preceding claims.