JP3494675B2 - Mounting machine - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting machine equipped with a conveyor for conveying works.

[0002]

2. Description of the Related Art Conventionally, a conveyor has been used as a means for continuously conveying raw materials, machine parts, or packaged goods (hereinafter referred to as work), and is widely used in various fields of production and logistics. Has been. Even in the mounting machine,
A conveyor is used to convey the lint substrate.

As a kind of such a conveyor, an endless belt is stretched over a pair of pulleys provided at both ends of a specific section, and a rotational driving force is applied to the pulleys to move the belt. A belt conveyor that conveys a work placed on it, a chain conveyor that uses a chain instead of the above belt, or a plurality of rollers arranged side by side, and a roller that places and conveys the work on these rollers. There is a conveyor, etc., which is used properly according to the type of work.

Further, the above-described method of using the conveyor is not limited to the general method of receiving the work carried in from one side of the specific section on the other side or during the transportation, but in the industrial field such as machine assembly. Also, a usage method is adopted in which a transfer means such as a pallet is fixed to a conveyor, and while the transfer means is moved at a constant speed, a working object as a workpiece placed on the transfer means is processed. .

[0005]

By the way, in the case where the transfer means is fixed to the conveyer and the work is placed and conveyed on the conveyer as described above, a large number of transfer means are taken into consideration in consideration of continuity of work. It is common for the means to be fixed to the conveyor at regular intervals and for the conveyor to be constantly moved at a constant speed.

In this case, it is advantageous in that the work can be carried out while the work is continuously carried, but since the work after the work is also moved at a constant speed, the work after the work is carried to the carry-out position. It takes a wasteful time until it is carried out to the next process or the like, which is not preferable in terms of work efficiency.

Further, since such a conveyor generally conveys a work only in one direction, for example, a predetermined work is performed while advancing or retreating the work placed on the transfer means in the conveying direction. After that, it is actually impossible to carry out the operation of transporting the work to the downstream side because all the works placed on the conveyor are moved forward and backward. However, if it is possible to perform a predetermined work while advancing and retracting without placing a part of the work that is placed on the conveyor and is being conveyed from the conveyor, when performing work on the work by a robot, Since it is possible to perform a part of the direction control on the conveyor, the robot configuration can be simplified, which is extremely convenient.

The present invention has been made in order to solve the above problems, and provided with a conveyor capable of enhancing the functionality of the work while maintaining the continuity of the work transfer and more efficiently carrying the work . It is intended to provide a mounting machine .

[0009]

According to a first aspect of the present invention, there is provided a mounting machine, which conveys a printed circuit board from a carry-in side to a carry-out side, and a component supply section arranged on the side of the conveyer. A mounting machine that includes a head that picks up a component from the component supply unit and mounts it on a printed circuit board, and a control device that controls the drive of the conveyor and the head, and the conveyor has surfaces facing each other. A pair of transfer lines each having a guide member parallel to each other on the facing surface and a transfer unit having a mounting part for mounting a printed circuit board are respectively movable up and down, and the guides of each transfer line are provided. And a pair of moving members that are independently reciprocated along the respective conveying lines by being attached to the respective members, wherein each of the transfer means is formed by the conveying line. And a transfer means for moving the moving member on one side to a rising position where the mounting part is arranged above a space between the facing surfaces of the two transport lines. , And is configured to allow the respective moving members to pass each other in the carrying direction in a state where the transfer means of the moving member on the other side is lowered to the lowered position where the placing portion is arranged between the facing surfaces of both the carrying lines. And the controller is
By carrying out reciprocating movement of each moving member along the carrying line, while sequentially carrying the printed circuit board from the carry-in side to the carry-out side, components are mounted on each printed circuit board at a work position provided on the way, This implementation
The printed circuit board is carried out on the printed circuit board on the mounting portion of the transfer means in the raised position, and while the component is mounted on the printed circuit board conveyed by the moving member on one side, the printed circuit board is unloaded. The conveyer and the head are configured to drive and control the other moving member on the other side so as to return the moving member to the carry-in side in a state where the transfer means is arranged at the lowered position.

[0010]

According to a second aspect of the present invention, there is provided a mounting machine, which conveys a printed circuit board from a carry-in side to a carry-out side, a component supply unit disposed on a side of the conveyer, and a component supply unit. A mounting machine equipped with a head for picking up components from the above and mounting them on a printed circuit board, and a control device for controlling the drive of the conveyor and the head, each of which is equipped with the component supply section and the head, with respect to the printed circuit board. Two steps capable of carrying out the same mounting work are juxtaposed in the conveyance direction of the printed circuit board by the conveyer, and the conveyer is provided with a pair of conveyance lines and a transfer means having a mounting portion for mounting the printed circuit board. Each of the transfer members includes a pair of movable members that are respectively movable up and down and are attached to each of the transfer lines and independently reciprocate along each of the transfer lines. The means has the placing part in the transport path formed by the transport line, wherein the transfer means of the moving member on one side is raised and the transfer means of the moving member on the other side is lowered. Thus, the control device is configured to allow the respective moving members to pass each other in the carrying direction, and the control device moves the respective moving members back and forth along the carrying line to move the printed circuit board from the carry-in side to the carry-out side. While carrying, the moving member on one side is moved to the process on the upstream side in the carrying direction to mount the component on the printed circuit board carried by the moving member, while the moving member on the other side is moved to the process on the upstream side. The moving member on the one side in order to move to the process on the downstream side in the carrying direction to mount the component on the printed circuit board carried by the moving member, the conveyor and the head. The those that are configured to control the drive.

[0012]

In accordance with the invention according to claim 1, in receiving position of the printed circuit board, up to the mounting portion of one of the transfer means
When lint substrate is mounted, to move the moving member to which the transfer means is mounted along the transfer line, for example, printed circuit boards are conveyed in a predetermined work position 置Ma provided midway the transport path . Further, when the one moving member moves, the next printed circuit board is placed on the placing portion of the other transferring means, and the waiting state is set. At this time, all the transfer means are held in the raised position.

Then, it is placed on one of the transfer means.
When the printed circuit board reaches a predetermined working position, the pre
A predetermined operation is performed on the printed circuit board . At this time, the moving member on which the printed circuit board is placed is moved forward,
Alternatively, it is also possible to perform work while moving only the printed circuit board back and forth by moving it backward. When the predetermined operation is completed, by the moving member again moved, transported printed substrate after work is completed until a predetermined transportable unloading position, wherein the printed circuit board after the work is completed is carried out. At the same time, the printed circuit board placed on the other transfer means and in the standby state is set to the work position as the moving member moves.

After that, the print substrate after the work is finished.
While moving member taken out of the plate is to be reset by moving toward the receiving position of the work, this time, by moving in a state in which the transfer means is lowered, the other in the working new pre moves to receiving position of the printed board without such transfer means and the buffer
Can receive a printed circuit board .

[0015]

Embodiments of the present invention will be described with reference to the drawings.

[0016] Figure 1 is a plan view showing an example of engaging Ru electronic component mounting apparatus of the present invention, the A arrow view of FIG. 1 FIG. 2 showing a conveyor, B in Figure 1. Figure 3 is showing a conveyor FIG.

As shown in FIG. 1, the electronic component mounting machine 1 (hereinafter referred to as the mounting machine 1) is provided with a conveyer 2 for carrying a printed circuit board, which will be described in detail later. It is designed to be transported to a predetermined work position.

On the side of the conveyor 2 (on the upper side in FIG. 1), three electronic component mounting units 3 having the same structure are mounted, and the electronic component mounting units 3 corresponding to each of the above are mounted. On both sides (upper and lower sides in FIG. 1) of the conveyor 2, component supply units 4a and 4b are arranged, respectively. These component supply units 4a and 4b are equipped with multiple rows of tape feeders, and each tape feeder has its own
Small pieces of electronic components such as ICs, transistors, and capacitors are stored at predetermined intervals so that the held tape can be pulled out from the reel, and the tape feeding end is equipped with a ratchet-type feeding mechanism, which will be described later. As the electronic components are picked up by the head 5, the tape is delivered intermittently.

In order to pick up electronic components from the component supply units 4a and 4b to the electronic component mounting unit 3 and to mount the electronic components at predetermined positions on the printed board which is carried in and positioned by the conveyor 2. Is equipped with a head 5. Each head 5 is supported by the main body of the electronic component mounting unit 3 via an arm 6, and the arm 6 is moved back and forth with respect to the main body by a servomotor (not shown) to convey the conveyor 2 in the conveying direction. It is adapted to be moved in a direction (Y-axis direction) orthogonal to (X-axis direction).

Although not shown, each of the heads 5 is provided with a nozzle member for sucking an electronic component, and each nozzle member moves up and down (moves in the Z-axis direction) with respect to the frame of the head 5. ) And a nozzle center axis (R axis) can be rotated, and is operated by a servo motor (not shown). Further, a negative pressure from a negative pressure generation source (not shown) is supplied to each nozzle 21 via a valve member or the like, and the negative pressure supplied to each nozzle 21 is applied to the tip of each nozzle at the time of mounting. It acts so as to attract the chip components. That is, when mounting the electronic component by the head 5, the head 5 is moved to a desired electronic component supply position of the component supply units 4a and 4b, the nozzle member is lowered, and the electronic component is sucked by the action of negative pressure. . Then, after that, the head 5 is moved onto the printed circuit board, the nozzle member is rotated and lowered, and the supply of the negative pressure is interrupted, so that the electronic component is mounted at a predetermined mounting position on the printed circuit board in a predetermined direction. It has become.

On the other hand, the conveyor 2 is erected on a base (not shown) of the mounting machine 1 and has a pair of parallel drive lines 10a and 10b (conveyance lines) extending in the X-axis direction.
The movable parts 9a and 9b are movable along the respective drive lines 10a and 10b.
9b (moving member) is equipped with pallets 14a and 14b (transfer means) for mounting and holding the printed circuit boards respectively, and the movable portions 9a and 9b are individually driven, so that each pallet 14a, 14b are individually movable.

More specifically, the drive lines 10a, 1
0b is provided with a pair of upper and lower guide members 11 extending in the X-axis direction on the opposite surfaces.
Each of the bases 12 of the movable portions 9a and 9b is movably attached to the. Further, the drive lines 10a and 10b have servo motors 18a and 18b respectively at one end on the X-axis direction side.
b is attached to each of these servomotors 18a, 18b
Drive pulley 20 mounted on the output shaft of the
A timing belt 21 is stretched over a pulley 22 rotatably supported at the opposite ends of 0a and 10b, and the timing belt 21 is located at a proper position.
It is attached to a and 9b. That is, the timing belt 21 is rotationally moved by driving the servomotors 18a and 18b to rotate in the forward and reverse directions, and accordingly, the movable portions 9a and 9b are moved along the guide member 11 in the X direction.
It is adapted to be reciprocally moved in the axial direction (shown by a solid line and a chain double-dashed line in FIG. 3). Each servo motor 18a,
18b are provided with position detecting devices such as encoders 19a and 19b, respectively.
The positions of a and 9b are detected.

A pair of vertically extending guide members 13 are provided on the bases 12 of the movable portions 9a and 9b, respectively, and the guide members 13 have vertical L-shaped pallets 14a and 14b. The parts 16a and 16b are movably mounted. Each pallet 14a, 14b
The vertical portions 16a and 16b of FIG.
As shown in FIG. 2, horizontal plane-shaped mounting portions 15a and 15b for mounting and holding the printed circuit board are formed, and these mounting portions 15a and 15b respectively face the pallet 1 facing each other.
The pallets 14a, 14b, which face each other, extend toward the pallets 14a, 14b which do not contact the vertical portions 16a, 16b of the 4a, 14b. The rods 17a of the air cylinders 17 attached to the bases 12 are attached to the lower surfaces of the mounting portions 15a and 15b of the pallets 14a and 14b, respectively. The pallets 14a and 14b are moved up and down along the guide member 13 in accordance with suction and discharge of the pallets.

That is, in the movable portions 9a and 9b, when the movable portions 9a and 9b are offset in the X-axis direction, the pallets 14a and 14b are both set to the raised position and the mounting portions 15a are set. , 15b can be arranged side by side in the X-axis direction, while one (the left side in FIG. 2) pallet 14a is set to the raised position and the other (the right side in FIG. 2) as shown in FIG. Pallet 1
Only when 4b is set to the lowered position, the placing portions 15a and the placing portions 15b of the pallets 14a and 14b can pass each other in the X-axis direction without interference, whereby the pallets 14a and 14b can be passed. Are capable of reciprocating in the same transport path formed by the drive lines 10a and 10b.

Although not shown, the mounting machine 1 configured as described above includes a control device having a microcomputer as a component, and each arm 6 of the electronic component mounting unit 3 and each nozzle of the head 5 are provided. Servo motors for members, each servo motor for the conveyor 18
All of a, 18b, each air cylinder 17, etc. are electrically connected to the above-mentioned control device, and are controlled by this control device.

An example of control of the mounting machine will be described with reference to FIG.

First, in the initial state of the conveyor 2, the movable parts 9a and 9b are both set on the carry-in side of the printed circuit board (right side in FIG. 4: hereinafter referred to as initial position), as shown in FIG. 4 (a). Has been done. At this time, the pallet 14a of the movable part 9a is set to the raised position, while the movable part 9b is set.
When the pallet 14b is set to the lowered position, the pallets 14a and 14b are not buffered with each other and are in a stacked state as shown in FIG.

When the mounting is started, one of them (see FIG.
The printed circuit board P1 is loaded and mounted on the mounting portion 15a of the pallet 14a (upper side in FIG. 8A), and the servo motor 18a is driven. As a result, the movable portion 9a is moved to the left side in the X-axis direction (left side in FIG. 4), and the printed board P1 placed and held on the placing portion 15a of the pallet 14a is brought to a predetermined working position by the electronic component mounting unit 3. It will be transported toward. Further, when the pallet 14a is moved by the movement of the movable portion 9a, in synchronization with this movement, the other one (FIG.
The pallet 14b on the lower side in (a) is set to the raised position, and the printed circuit board P2 is loaded onto the mounting portion 15b as shown in FIG. 4 (b). As a result, the printed circuit board P2 to be subjected to the mounting work next time is placed in a standby state.

On the other hand, the printed circuit board P1 which has reached the predetermined work position of the electronic component mounting unit 3 by the movement of the movable portion 9a corresponds to any one of the heads 5 which has sucked the electronic component to be mounted. The electronic component is mounted at a predetermined position in the X-axis direction. In response to this, the head 5 is moved in the Y-axis direction and set on the printed circuit board P1, and then the nozzle member sucking the electronic component is lowered to place the electronic component at a predetermined position on the printed circuit board P1. Will be implemented.

When the mounting of one electronic component is completed, the movable portion 9a is again moved in the X-axis direction in correspondence with any one of the heads 5 that has sucked the electronic component to be mounted next. After the printed circuit board P1 is positioned at a predetermined position in the X-axis direction on which the electronic component is mounted, the head 5 is moved in the Y-axis direction and the electronic component is mounted on the printed circuit board P1 as described above.

As described above, corresponding to the heads 5 that sequentially pick up electronic components from the component supply units 4a and 4b,
While the operation of moving and positioning the printed circuit board P1 in the X-axis direction is repeated, the mounting work of the electronic components on the printed circuit board P1 is sequentially performed.

When all the mounting work for the printed circuit board P1 is completed, the printed circuit board P1 is then mounted.
For example, in order to carry out to the next process, the movable portion 9a has a carrying-out side of the printed circuit board (left side in FIG. 4: hereinafter referred to as carrying-out position).
When it reaches the carry-out position while being moved to, the printed circuit board P1 is sent to the next step by a sending means (not shown). In addition, in this way, the printed circuit board P1
When the movable part 9a is moved to the carry-out position in order to send the product to the next process, the movable part 9b in the standby state at the initial position starts to move in synchronization with this. That is, FIG.
As shown in (c), the next printed circuit board P2 is conveyed toward a predetermined work position of the electronic component mounting unit 3 in response to the completion of the mounting work on the printed circuit board P1.

When the mounting work of the electronic component mounting unit 3 on the printed circuit board P2 is started, the movable part 9b is moved in the X-axis direction to position the printed circuit board P2 similarly to the mounting work of the printed circuit board P1. Meanwhile, the mounting work of the electronic components on the printed circuit board P2 is performed.

By the way, the pallet 14a which has carried out the printed circuit board P1 after the mounting work as described above is moved to the initial position in order to receive the next printed circuit board. , Fig. 4
As shown in (d), once set to the lowered position, it is moved to the initial position and then set to the raised position. That is, by resetting the pallet 14a to the initial position with the pallet 14a set to the lowered position, the pallet 14b does not interfere with the pallet 14b in which the mounting work by the electronic component mounting unit 3 is performed.
a is moved to the initial position.

The pallet 14a, which has been reset to the initial position, receives the next printed circuit board and is placed in a standby state. When the work of the printed circuit board P2 is completed, the pallet 14a is moved to the work position by the electronic component mounting unit 3 as described above. Then, the mounting work is performed.

In the mounting machine 1, the pallet 14a and the pallet 14b repeat the above-described operation to sequentially perform the mounting work on the printed circuit board, and the printed circuit board after the work is sequentially processed in the next step. It is supposed to be shipped to.

As described above , according to the mounting machine 1, the pallet 14 for mounting and holding the printed circuit board is held.
The movable parts 9a and 9b provided with a and 14b are
The movable parts 9a and 9b are movably mounted on the drive lines 10a and 10b, respectively.
Since the pallets 14a and 14b are individually moved, the printed circuit boards after the mounting work can be immediately moved to the carry-out position. Not only can it be carried out to the next step, but at the time of mounting the electronic component, it is possible to carry out the mounting work on the printed circuit board while moving only one pallet 14a (or pallet 14b) forward and backward in the X-axis direction. since it, the conventional yo urchin, with adverse effectively avoid such takes time to unload the workpiece can be enhanced its functionality.

Moreover, the conveyor 2 is provided for each pallet 1
By moving up and down 4a, 14b, each pallet 14a, 1
4b are prevented from interfering with each other, thereby enabling the reciprocating movement of each pallet 14a, 14b within the same conveying path. Therefore, as described above, the pallet 14a or 4b after the printed circuit board is unloaded. Can be immediately reset to the initial position to receive the next printed circuit board, and there is an advantage that the mounting work can be efficiently performed with a smaller pallet.

In the above embodiment, the case where the pallet 14a is reset to the initial position after the mounting work is described as an example. However, various controls other than this are conceivable. Pallet 1 waiting for
It is also possible to perform control such that 4a receives the printed circuit board and overtakes the pallet 14b during the mounting work.
Specifically, when two processes for performing the same mounting work are provided in the conveyance direction of the printed circuit board, one pallet that receives the printed circuit board at the initial position receives the other mounting process in the front process. After passing the pallet of the other, it is moved to the mounting position of the subsequent process, and when the mounting work of the printed circuit board placed on the other pallet is completed, the other pallet receives the mounting work in the subsequent process. It is possible to perform control such that the existing pallet is overtaken and moved to the substrate unloading position, which has the advantage that the work efficiency can be further improved .

[0040] In addition, in the above-described embodiment, the print substrate X
In terms of positioning in the axial direction, importance is attached to its accuracy, and the servo motor 18a is used as a drive source for the movable parts 9a and 9b.
While using 18b, it may be necessarily to select an appropriate drive source in accordance with the accuracy and the like feed required rather than transportable using servo motors. Further, in the above embodiment, the movable part 9
a and 9b are moved along the guide member 11 by the timing belt 21 which is rotationally moved by receiving the rotational driving force of the servo motors 18a and 18b, and the pallet 1
4a and 14b are configured to move up and down along the guide member 13 in accordance with suction and discharge of air pressure to the air cylinder 17, but such movement or elevating mechanism is not limited to the embodiment. Of course, it may be a moving mechanism or a lifting mechanism that is a combination of a ball screw and a nut member.

[0041]

As described above, the present inventionMounting machine
IsPrinted boardIs a transfer means for holding and holding the
Each of the moving members is provided with a moving member.
It is movably attached to each individual transport line, and each
Moving memberIs GermanIt stands upright and can move back and forth in the transport direction.
Therefore, move each transfer means individually.
And after workPrinted boardImmediately move only the unloading position
It can be moved to one of the
While moving only the transfer means of the
Because you can do the work,Printed boardCarry out
You can effectively avoid the inconvenience that it takes time to
And its functionality can be enhanced.

Moreover, since the transfer means can be reciprocally moved in the same conveying path without causing the transfer means to interfere with each other by the raising and lowering operation of the transfer means, after the work is completed. Immediately after unloading the printed circuit board , the transfer means is reset to the initial position and the next printed circuit board is printed.
By receiving the plate, it is possible to sufficiently ensure the continuity of the feeding transportable.

[Brief description of drawings]

1 is a plan view showing an implementation apparatus of the present invention.

FIG. 2 is a view showing a conveyor as seen from an arrow A in FIG.

FIG. 3 is a view showing a conveyor as seen from the direction of arrow B in FIG.

FIG. 4A is an explanatory view showing a state where both pallets are set at an initial position, and FIG. 4B is an explanatory view showing a state where a printed circuit board placed on one pallet is conveyed to a work position. FIG. 6C is an explanatory view showing a state in which the work on the printed circuit board placed on one of the pallets is completed and the printed circuit board is unloaded, and FIG. 6D is a pallet after the printed circuit board is unloaded. It is explanatory drawing which shows the state in which is reset to an initial position.

[Explanation of symbols]

1 Mounting machine 2 conveyors 10a, 10b drive line 10 11, 13 Guide member 12 base 12 14 pallets 15a, 15b mounting portion 16a, 16b Vertical part 17 Air cylinder 17a rod 18a, 18b Servo motor 19a, 19b encoder 20 drive pulley 21 Timing belt 22 pulley P1, P2 Printed circuit board

Front page continuation (58) Fields surveyed (Int.Cl. ⁷ , DB name) B65G 25/02 B65G 47/52 101 H05K 13/02

Claims (2)

(57) [Claims] 1. A conveyor that conveys a printed circuit board from a carry-in side to a carry-out side, a component supply unit disposed on the side of the conveyor, and a component picked up from the component supply unit and mounted on the printed circuit board. A mounting machine comprising a head for controlling the conveyor and a controller for controlling the drive of the conveyor and the head, wherein the conveyor has surfaces facing each other, and
A pair of transfer lines each having a guide member parallel to each other on opposite surfaces, and a transfer means having a mounting portion for mounting a printed circuit board are respectively movable up and down, and each of the guide members of each transfer line is provided with the transfer member . to Rukoto is attached
And a pair of moving members which reciprocates independently along more respective conveying line, said each transfer means is a one having the mounting section in the conveying path formed by the transport line, wherein Previously described above between the facing surfaces of both transport lines
The transfer means of the moving member on one side rises to the raised position where the placing portion is arranged, and the placing portion is located between the facing surfaces of the two conveying lines.
Is configured to allow the respective moving members to pass each other in the transport direction in a state where the transfer means of the other moving member is lowered to the lowering position where the control device is arranged along the transport line. the moving member is reciprocated conveyed sequentially printed board toward the out side from <br/> the carry-in side by Rukoto
However, at the work position provided in the middle of each
The components are mounted on the printed circuit board and this mounting is
With respect to the printed circuit board on the mounting part of the transfer means that is in the position
And the pre-pack that is conveyed by the moving member on one side.
While components are being mounted on the printed circuit board,
The transfer member on the other side after unloading the substrate
Serial mounting apparatus characterized by drive control of the conveyor and the head so as to return to the carry-in side in a state of being placed in the lowered position. 2. A conveyor that conveys a printed circuit board from a carry-in side to a carry-out side, a component supply unit disposed on the side of the conveyor, and a component picked up from the component supply unit and mounted on the printed circuit board. And a controller for controlling the drive of the conveyor and the head , the printing machine including the component supply unit and the head, respectively.
There are two processes that can perform the same mounting work on the board.
Installed side by side in the transfer direction of the printed circuit board by the conveyor
The conveyor has a pair of transfer lines and a transfer unit that includes a mounting unit for mounting a printed circuit board so that the transfer unit can be moved up and down, and the conveyors are respectively attached to the transfer lines along the transfer lines. And a pair of moving members that reciprocate independently, wherein each of the transfer units has a mounting portion in a transfer path formed by the transfer line, and the transfer unit of one side of the transfer unit. Is moved up, and the transfer means of the moving member on the other side is moved down, it is configured to allow the passing of the moving members.
The control device conveys the printed circuit board from the carry-in side to the carry-out side while reciprocally moving each moving member along the carrying line, and also carries one moving member.
Direction to the upstream side process and conveyed by the moving member.
The component is mounted on the printed circuit board, while the other
Side moving member, one side movement in the upstream process
The material is overtaken and moved to the process downstream in the transport direction.
The printed circuit board conveyed by the moving member.
Drives the conveyor and head to mount components
Mounting machine characterized by controlling.