JPS62167114A - Magazine rack wagon for substrate feeding and taking-out magazine unit in electronic parts mounting machine - Google Patents

Abstract

PURPOSE:To improve work efficiency, by equipping a wagon with a magazine rack feed means and a magazine unit connecting means while with a driving force connecting means which connects with a driving means in a magazine unit for driving said feed means. CONSTITUTION:A wagon 4 sets casters 7 to the bottom of a bed part 6 for mounting magazine racks 5 to be placed. While the bed part 6 has a belt convey er 9 serving as a feed means of the magazine racks 5, further said conveyer 9 has a driving force connecting mechanism 10 providing a connecting driven gear. While the bed part 6 provides in its connecting end side part with a maga zine unit two engaging grooves serving as a connecting means between the both bed part and magazine unit. As a result, the magazine rack can be automat ically carried into and out from the magazine unit only by connecting the wagon with the magazine unit, thus work efficiency can be substantially enhanced.

Description

[Detailed Description of the Invention] [Field of Application in Industry] The present invention relates to an automatic electronic component mounting machine for mounting electronic components onto a board, and particularly relates to an automatic electronic component mounting machine for mounting electronic components on a board, and particularly for mounting a board at the component H rf position of this mounting machine. The present invention relates to a wagon that cooperates with a magazine unit for sequential feeding or unloading operations and is fed with magazine racks to this magazine unit and vice versa.

[Conventional technology]

Generally, an automatic electronic component mounting machine uses a jack to pick up electronic components sent to a component supply section under automatic control by a computer, transports them onto a &j47a XIIY table, and places them on a board positioned at a predetermined position. It is attached to a predetermined part of the body. The plates that are sequentially sent to this X@Y table are automatically sent from the supply magazine unit that is followed by the person 11 side of the XY table and is controlled together with the mounting machine. It is also connected to the 111 port side of this X●Y double, and the
ffl Nanano 1; 1, It is configured to be automatically ejected by the ejecting magazine unit that is repositioned.

[Problem that the invention seeks to solve]

In the electronic component mounting machine configured as described above, the magazine unit of the board is synchronized with the operation of the X-Y table, and the drive is controlled so that it can be connected and interlocked.
The main body of the electronic component mounting machine and the magazine unit for the circuit board must be integrated, and both must be connected by a control cable. For this reason, it is not possible to remove the part of the magazine unit where multiple magazine racks containing boards are mounted and use it for transportation, and the sequential work is carried out on the belt conveyor of the magazine unit.
- magazine racks must be individually transferred to a transport wagon for transport, which poses a problem of poor workability.

SUMMARY OF THE INVENTION The present invention addresses the above-mentioned problems and aims to configure a transportation wagon so as to automatically supply and discharge magazine racks to and from a magazine unit (2) to improve workability.

[Means for solving problems]

In order to achieve the first of two goals, the wagon of the present invention:
The present invention is characterized in that it includes a means for feeding the magazine rack, a means for coupling it to the magazine unit, and a driving force connecting means that is connected to the driving means in the magazine unit for driving the feeding means.

[Effect]

With the above configuration, when the wagon is coupled to the magazine unit by the coupling means, the feeding means of the magazine rack is drivingly connected to the drive means in the magazine unit by the driving force coupling means, and therefore, by controlling the drive of the magazine unit, The magazine chic placed on the feeding means is automatically carried into the magazine unit,
Or, conversely, the magazine rack in the magazine unit is automatically transferred onto the transport means of the wagon.

〔Example〕

Hereinafter, one embodiment of the present invention will be described with reference to the accompanying drawings.

Figure 2 is a front view showing the entire electronic component mounting machine, and Figure 3 is its plan view, where 1 is the main body of the electronic component mounting machine, 2 is a magazine unit on the board supply side, and 3 is a magazine unit on the board removal side. This has the same configuration as the magazine unit on the supply side.

The magazine unit 2 on the substrate supply side is configured as shown in the schematic diagram of FIG. 1, and the wagon 4 of the present invention is coupled to this magazine unit.

As shown in FIG. 4, this wagon 4 has casters 7.7, which are wheels for moving, installed at the bottom of a platform 6 on which a magazine rack 5 is placed, and casters 7.7 are installed at the negative side end of the casters 7. A hand-push 8 is erected in the section for workers to move and operate.

Further, the platform 6 has a magazine rack feeding means 9, such as an endless track conveyor made of a belt, on both sides thereof, and the magazine rack 5 placed on the belt conveyor 9 is carried. It is configured so that it can be transported in the backward direction 11ir as indicated by arrow A.

Furthermore, this belt conveyor 9 has a driving force connection mechanism 10 with a connecting follower +'Ar inside. In addition, near the standing end of the holding frame 8 of the base part 6, there is a
A detection operation means is provided for detecting that the magazine rack 5 is placed at f/4 and transmitting the information to the computer-based control device.

As shown in FIG. 5 and FIG. A lever 15 is installed upright, and the detection lever 15 is set so as to protrude above the belt conveyor 9.The other side plate 1G of the bell crank 11 has a tip extending to the tip of the belt conveyor mounting table 6. , and a rear end portion of an interlocking rod 17 supported so as to be movable in the length direction is pivotally supported 18 .

In addition, a tension coil spring 19 is stretched between the side plate 16 and the machine frame of the belt conveyor mounting table 6, and together with a stopper (not shown), the tension coil spring 19 is normally in the position shown in FIG. It is configured to be biased.

Further, the side of the connecting end of the platform 6 with the magazine unit 2 constitutes a connecting means for maintaining the combination of the two in a predetermined state when the wagon 4 is connected and attached to the magazine unit 2. Two locking grooves 20, 20 as shown in FIGS. 9 and 10 are provided. Then, the hydraulic cylinder 21 attached to the magazine unit 2 is used to press one point jrl! as shown in FIG. The connection detection S25 rotates from the tilting position shown by 1 to the engagement position shown by the solid line and engages the engagement groove 20, and also serves as a stopper shown in FIG. 8 to detect that the wagon 4 is connected to the magazine unit 2. In conjunction with this, a storage mechanism 22 is provided which is a tying means configured to maintain a predetermined position.

The magazine unit 2 also includes a drive source mechanism section [
;2 is provided. As shown in FIG. 7 and FIG. This v in the connected state::
A connected driven gear of the belt conveyor 9 meshes with the continuous AI wheel 24 to form a connected drive means to which rotational power can be transmitted. Further, this magazine unit 2 is provided with a detection switch (not shown) that is turned on and off by the forward and backward movement of the tip of the interlocking rod 17 of the detection operation means when the wagon 4 is connected. Further, an elevator 2G is installed in the magazine unit 2, which is configured to be able to work together with the belt conveyor 9 of the wagon 4 when coupled thereto. 27, and an elevating mechanism 28 configured to be moved by a nut-shaped member screwed into a threaded rod 63 for elevating and lowering the elevator platform 27 along a guide bar. A position indexing sensor section 29 is installed to detect and shift the height position of the base section 27.This position indexing sensor section 29 has four switches 30, 31, 32 as shown in FIG.
．． 33 and a threaded rod rotation speed detector 34 of the lifting mechanism 28 shown in FIG.

Two of the switches 31 and 32 have a lever 49 at the free end that can be bent in the direction shown by arrow B, so that it operates only on objects moving in one direction. Arm 50 is attached. This folding arm 50 is gri! f It is biased by a spring to form a fly gland shape, and when a force is applied in the opposite direction to arrow 13, it maintains a straight line, but when a force is applied in the direction of arrow 13, it bends in the middle. It is composed of

Moreover, a small belt conveyor 36 driven by a motor 35 is installed in the elevator platform 27 so as to be able to cooperate with the belt conveyors 9 on both sides of the wagon 74. Furthermore, &2 getting off in the diagram of this elevator platform 27 is also W 2 R41
11, a lever sensor 64 that is operated by the drive of the magazine rack 5 is provided protruding above the small belt conveyor 3G, and on the opposite side, a hook body is raised to prevent the magazine rack 5 on the small Peltoco 7 conveyor 36 from falling. A magazine clamp lever 37 configured to hold the magazine is installed.

Further, at a predetermined position on the wall surface of the elevator installation part of the magazine unit 2, there is an optical sensor 38 (hereinafter referred to as an optical sensor, any sensor such as an ultrasonic sensor may be used) for detecting the presence or absence of the magazine rack 5. Set up.

As shown in FIG. 1, an upper conveyor section 39 is installed laterally from above the elevator installation section of the magazine unit 2.

This upper stage conveyor part 30 is for leaving a required number of magazine racks 5, and is driven by a drive motor 41 for conveying magazine racks 5 one by one on both sides thereof. 40 is set;S. .

Further, a lever sensor 42 is installed at a predetermined position near the free end of the upper conveyor section 30 to be operated by being pushed by the magazine rack 5.

In addition, the "two-stage conveyor section 3 in the magazine unit 2"
Near the end where the drive motor 41 of 9 is located, there is a
Set up.

In addition, as shown in FIG. 11, the magazine rack 5 handled by this magazine unit 2 is provided with protrusions 47 on the inner surfaces of two opposing side plates 45 and 46, so that one side plate 46 is 1J, and are positioned on each protrusion 47 so that the board 48 can be pulled out.

Next, the operation of the wagon of this example configured as described above will be explained in relation to the operation of the magazine unit.

First, the case where each board 48 is sent from the magazine unit 2 on the board supply side onto the XY table of the electronic component loading machine main body 1 will be explained step by step.

In this case, as shown in FIG.
Transporting two fully loaded magazine racks 5, and connecting the driving force of the belt conveyor 9, magashino! L
The drive source mechanism section 62 of the knit unit 2 is aligned so as to be engaged and connected, and after the connection αl is confirmed by the L'i matching detector 25, the magazine is engaged by the mechanism 22;! - Connect the wagon 4 to the knit 2 by length a'1.

Thereafter, the drive motor 23 is driven by the control system 5 (not shown) to move the magazine rack 5 located at the front in the direction of arrow C, and the small belt of the elevator platform 27 connected to this is: 1 Move by transferring to "Nbeya 36" Yu. When it is detected that the magazine rack 5 being transferred has passed the position of the optical sensor 38, the control device stops the drive motor 23 and
Only the magazine rack 5 on the bearer 36 is transferred. When the magazine rack 5 transferred on the elevator platform 27 presses the lever sensor 64 with its front end and this is detected, the magazine clamp lever 37 is raised and locked by the control device. At this time, since the succeeding magazine rack 5 is previously located at a distant position on the stopped sales belt conveyor, this clamping operation is performed without interference, and the elevator platform 27 of the magazine rack 5 is
It is something that can be transferred to Storrs.

Next, according to a command from the control device, the threaded rod ( ) 3 of the elevator machine 28 is tightened to raise the elevator platform 27 by -L.

Then, the switch operating body 51 turns on the switch 31, and the control device 171 detecting this turns on the yl lowering mechanism 28.
Stop 1-. In this state, the lowest number in magazine rank 5, No. 1 of I2 (temporary 48, is the same as the X/Y table,
:: 1 is designed to be installed in the f, lr machine, and the temporary pull-out lever 52 (Fig. X・
Install the Y-buple I- and perform the installation of the electronic components.

The board 48 on which the electronic components have been attached is taken out to the magazine unit 3 on the temporary extraction side.

Then, the board pull-out lever 52, which has returned to the standby position as shown in FIG. +'! 728, the screw rod rotation speed detector 34 detects the rotation speed of the screw pedestal 63, and thereby the height of the elevator platform 27 is detected from the relationship with the pitch of the screw. 48 is controlled so that it is at the same height position as the Repeat M1.

Then, the last board 48 in magazine rank 5 is X11
The switch operating body 51 turns on the switch 32 when the position is at the same height as the Y table, and the control device detects this and sends out the board 18, then turns the elevator (1"/I28) on. When the elevator platform 27 is raised with a heap and the switch 33 is turned on by the switch operating body 51, the control device detecting this causes the elevator platform 27 to rise.
The small belt conveyor 36 and the upper belt conveyor section 39 are at the same height] (stopped in a state where they can work).

After that, the magazine clamp lever 37 is released and the motor 35 of the elevator platform 27 is
is activated to drive the small belt conveyor 36 in the direction of the arrow, and at the same time, the drive motor 41 of the upper conveyor section 39 is activated to drive the upper belt conveyor 40 in the same direction (the direction of the arrow), and the magazine rack 5 is moved to the elevator platform section 27. The magazine rack 5 is transferred from above onto the upper conveyor section 39. When it is detected that the magazine rack 5 transferred onto the upper conveyor section 39 has finished passing the optical sensor 43, the drive motor 41 and the motor 35 are Then, the elevator platform 27 is lowered by operating the lifting mechanism 28. At this time, the switch operation body 51 moves the two switches 32
．． Since the lever 49 of the lever 49 is bent in the middle, the switches 32 and 31 are not turned on. and switch operating body 51
When it hits the switch 30 at the bottom, it is turned on, and the detection signal is sent to the control device, and the elevator G'&
2 Stop and raise R.

This state is the first state at the beginning of the operation, where the elevator platform 27 and the engine 4 are connected.
By the same control operation as described above, the second and third magazine racks 5 are sent from the top of the wagon 4 to the elevator platform 27'', and
As a result, each magazine rack 5 is stepped up and the substrates 48 stored therein are sequentially sent onto the XIIY table. Then, the empty magazine rack is not sent onto the upper conveyor section 39. At this time, when the third and final magazine rack 5 is transferred onto the upper conveyor section 39 and is sent by the upper belt conveyor 40, the first magazine rack reaches the free end of the upper conveyor section 39, and the lever When the sensor 42 is turned down to turn on, the drive motor 41 and the motor 35 are stopped by a command from the control device that detects this, and at the same time, it is notified that the empty magazine rack 5 has been placed on the upper conveyor section 39. An alarm is issued. As a result, the working opening extends each empty magazine rack 5 onto the upper conveyor section 39 of the magazine unit 3 on the substrate takeout side and places it there.

At the same time, the empty wagon 4 in the magazine unit 2 on the board supply side is separated from the magazine unit 2, and the wagon 4 carrying seven magazine racks 5 containing boards 48 is connected to this magazine unit 2, and the above-mentioned work is carried out. resume. In this way, if multiple trolleys/4 are set up and magazine racks 5 are placed on standby, work efficiency such as loading and transporting magazine racks 5 on 7/4 will be improved. can be achieved.

Next, the operation of the magazine unit 3 on the board take-out side will be explained, but the operating direction of the switches 31 and 32 is opposite (111 Since the only thing that has been done is
For convenience, the explanation will be made using FIG. 1.

In this case, the initial IUI state for starting work is set as follows.

In other words, there are three empty magazine racks 5 on the single-stage belt conveyor 40 of the two-stage conveyor section 39, lν in total 4.
1 is placed. The elevator platform 27 of the elevator 2G is set in a state where it can cooperate with its small bell (36) and upper stage belt conveyor 40.

From this state, the drive motor 41 and the motor 35 are driven by a command from the computer control device, and the magazine rack 5 is transferred in the direction opposite to the arrow. At this time, it is detected that the first magazine rack 5 has passed the optical sensor 43, and the drive motor 41 is stopped after the time it takes for this magazine rack 5 to ride on the elevator platform 27, and the subsequent magazine Control is performed to stop the progress of La Tsuk 5.

Further, the magazine rack 5 that has been placed on the elevator platform 27 is sent as it is, and its tip is attached to the leno (-sensor 64).
When the motor 35 is turned on, this is detected and the motor 35 is turned on.
Stop the drive of the magazine clamp lever 3.
7 to control it to be moored.

Next, the elevator platform 27 is lowered by tilting the lifting mechanism 28. The switch operating body 51 is different from the magazine unit 2, and the switch 32 operates only when the magazine unit 2 is lowered.
In response to the detection signal that turns on the elevator platform 27
control to stop. In this state, the board 48 on which electronic components are mounted is inserted and stored onto the lowermost protrusion 47 of the magazine rack 5 from the XIIY table.

Thereafter, step feed control is performed based on the signal from the rotation speed detector 34 of the threaded rod 63 of the elevator N, t 28, and the elevator platform 27 is sequentially lowered to store each λ temporary 48 in the magazine rack 5. do.

Then, with the last board 48 in the magazine rack 5 in the same position as the X-Y double, the switch operating body 51 turns on the switch 31, which operates only when it is lowered.
Control V detects this; after storing the last board 48 in the magazine rack 5, the craftsman lowers the elevator platform 27 to the lowest position, and when the switch operating body 51 turns on the switch 30, the detection signal is By y? Disembarkation (1 controls 28 to stop.

In this state, the small belt conveyor 36 of the elevator platform 27 is in a movable state (together with the belt conveyor 9 of the wagon 4).

Then, the magazine clamp lever 37 is moved to release, and the motor 35 and the drive motor 23 are activated to move the magazine rack 5 in the direction opposite to the arrow C and to place it on the wagon 4. At this time, the drive motor 23 is stopped with a certain time lag from the detection signal when the magazine rack 5 passes through the optical sensor 38, and the magazine rack 5 is controlled to be transferred to a predetermined position on the wagon 4. do.

Next, the lifting mechanism 28 is operated to raise and lower the Colebake table 27.
”-H. At this time, the switch operator body 51 operates the switch 3 without turning on the switches 31 and 32.
When it reaches 3, it is turned on. This detection signal brings the elevator groove 28 into a stopped state, but this state is at +17I when the small belt conveyor 36 of the elevator platform 27 and the upper stage belt conveyor 40 can start working together.
state.

- The empty magazine rack 5 on the upper conveyor section 30 is sent to the elevator 2G, and the board 48
This is to repeat the control of storing the 7 yoshis and transferring them to the wagon/41-.

Then, when the third and last magazine rack 5, L1, is transferred onto the wagon 4, the front lever of the first magazine rack 5 is pushed down, causing the bell crank 11 to rotate. , the interlocking body 17 is pressed, and a detection switch (not shown) installed in the magazine;
and end the work cycle.

In this way, when the wagon 4 is connected to the magazine units 2 and 3, they can be unified and controlled by the control device.

Further, the wagon 4, which has the magazine rack 5 containing the board 48 on which the electronic components have been mounted, is removed from the magazine unit 3 by releasing the locking mechanism 22, and is transported as it is to the next processing step. It is convenient. In addition, in the meantime, another empty wagon 4 can be engaged and attached to the magazine units 2 and 3 and the work can be continued, so it is possible to eliminate loss time and improve work efficiency.

〔Effect of the invention〕

As described above, according to the wagon of the present invention, simply by connecting the 17-gon to the magazine unit, the magazine rack can be automatically carried in and out of the magazine unit, greatly increasing work efficiency. It can be raised inside.

[Brief explanation of drawings]

1 is a schematic side view showing the wagon according to the present invention coupled to a magazine; L knit, FIG. A schematic side view of the wagon according to the present invention, FIG. 5 is a side view of the main part of the wagon, FIG. 6 is a plan view of the main part of the wagon, and FIG. 7 is a schematic side view of the magazine unit coupled to the wagon of the present invention. The side view, Figure 8, shows both drivers! FIGS. 9 and 10 are a plan view of the II7 joint, a schematic explanatory view showing the lateral side of the engagement between the wagon and the magazine unit, and FIG. 11 is a perspective view of the magazine rack. 1... Electronic component mounting machine, 2... Supply side magazine, unit, 3... Ejection side magazine unit, 4... Wagon, 5... ...Magazine rack, 9...Feeding means (belt conveyor),
10... Drive force connection means 1.20...
・Coupling means, 48...Substrate. Figure 3 Pond CI Figure 11

Claims (1)

[Claims] 1. In an electronic component mounting machine, a magazine rack that accommodates a large number of boards is carried in or out of a magazine unit that sequentially feeds or removes the boards to a mechanism section that mounts electronic components on boards. In the wagon for transporting the magazine, the feeding means (9) of the magazine rack (5), the coupling means (20) with the magazine unit (3, 4), and the inside of the magazine unit for driving the feeding means (9) are provided. 1. A magazine wagon for a magazine unit for board feeding/removal in an electronic component mounting machine, characterized in that it has a driving force connecting means (10) connected to a driving means.