JP2801335B2 - Automatic substrate support pin switching device and substrate support method - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support pin switching device for a board support section of an electronic component mounting machine and a method for supporting a board.

[Prior art] In recent years, the automatic switching device of the board support pin of the electronic component mounting machine has been replaced by FMS (automation of high-mix low-volume production).
Required for production.

Conventionally, the board support pins have generally been replaced manually in order to correspond to the type and thickness of the board.
Hereinafter, an example thereof will be described with reference to FIG.

As shown in FIG. 4, the board support block 1 has a support pin 2 and an actuator 3 for moving the board support block 1 up and down. Reference numeral 4 denotes a rail for transporting the substrate. 8 is a substrate. The board support block 1, support pins 2, actuator 3, and rail 4 move in the X and Y directions when mounting components.

The operation of the conventional technique having the above configuration will be described below.

In FIG. 4, the substrate 8 is conveyed and stops on the support block 1, and the support block 1 is raised by the support cylinder 3 to support the substrate 8. Since the rising stroke of the support block 1 is constant, there is a problem that when the thickness of the substrate 8 changes, the support pins 2 must be replaced manually. That is, when the type of the substrate is changed, a troublesome operation is required in which the position for setting the support pin 2 must be manually changed.

[Problems to be Solved by the Invention] It is difficult for such a conventional manual support pin replacement method to be compatible with FMS production. Also, it is difficult to cope with so-called random mix production in which various types of products are randomly produced. Furthermore, it is difficult to deal with complete unmanned operation.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems in the related art, and has as its object to provide an apparatus capable of automatically switching substrate support pins and a method of supporting a substrate.

[Means for Solving the Problems] To achieve the above object, a configuration of an automatic substrate support pin switching device according to the present invention includes a rail for transporting a substrate, and a back surface of the substrate transported from the rail. An automatic substrate support pin switching device including: a substrate support block having a plurality of support pins to be supported; and a first driving unit that moves the substrate support block up and down, wherein the substrate support block is supported by each of the plurality of support pins. It is characterized in that a second drive unit whose height can be arbitrarily adjusted corresponding to the substrate is provided.

In the configuration of the substrate support pin automatic switching device of the present invention, the apparatus further comprises means for reading and inputting data displayed on the substrate, wherein the first driving unit is driven based on the input information, Preferably, the height of the support block is adjusted.

In the configuration of the board support pin automatic switching device of the present invention, the apparatus further includes means for reading and inputting the data displayed on the board, and the second drive unit is driven based on the input information, and Preferably, the height of the pins is adjusted.

Further, the method for supporting a substrate according to the present invention includes a method of
A method of supporting a substrate, wherein a back surface of a substrate to which thickness data is individually applied is supported by a substrate support block provided with a plurality of support pins, wherein a first step of reading data applied to the substrate is provided. A second step of individually adjusting the heights of the plurality of support pins and adjusting the height of the substrate support block based on the data read in the first step, and a predetermined step in the second step. A third step of supporting the back surface of the substrate by the substrate support block adjusted to a height.

[Operation] According to the configuration of the automatic substrate support pin switching device of the present invention, it is possible to provide an automatic substrate support pin switching device that does not require replacement of the support pins even if the types and thickness of the substrates to be supported are different. . In particular, even if the thickness of the substrate to be supported varies depending on the location, there is no need to change the length of the support pin itself located at that location or the elevation position of the substrate support block. What is necessary is just to raise by a drive part. Also, there is no need to change the arrangement of the support pins according to the status of components on the back surface of the substrate. Therefore, it is possible to easily cope with FMS (automation of high-mix low-volume production) production, to easily cope with so-called random mix production, and to cope with completely unmanned operation.

In the configuration of the substrate support pin automatic switching device of the present invention, the apparatus further comprises a unit for reading and inputting data displayed on the substrate, wherein the first driving unit is driven based on the input information, According to a preferred example in which the height of the block is adjusted, when the thickness of the substrate changes, the height of the substrate support block is adjusted based on the data displayed on the substrate to efficiently and quickly. Can be handled.

Further, in the configuration of the substrate support pin automatic switching device of the present invention, the apparatus further comprises means for reading and inputting data displayed on the substrate, wherein the second driving unit is driven based on the input information, According to the preferred example, the height of the support pins is adjusted, and when the type of the board changes, the height of the support pins is adjusted based on the data displayed on the board to efficiently and quickly respond. can do.

Further, according to the substrate supporting method of the present invention, even when the type and thickness of the substrate to be supported change in the middle, it is possible to reliably support the substrate without replacing or changing the arrangement of the support pins. Become.

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. FIG. 1 is a conceptual perspective view of a main part of an automatic substrate support pin switching device according to an embodiment of the present invention, and FIG. 2 is a conceptual sectional view of the same.

As shown in FIGS. 1 and 2, the substrate support block 1 has a support pin 2 and an actuator 5 for raising and lowering the support pin 2 and is connected to the pulse motor 6 only when the mounting machine is at the origin. You. 7 is a pulse motor driver. A bar code 9 is provided on the substrate 8. The bar code reader 10 selects the type and thickness data of the substrate. Reference numeral 11 denotes an actuator switching controller.

Regarding the device of one embodiment of the present invention having the above configuration,
The operation will be described below.

First, the bar code 9 on the substrate 8 is read, and data is input to the main controller 12. Each bar code 9 previously input to the main controller 12
To the actuator switching controller 11
Is sent to the pulse motor driver 7, and each actuator is
Turn ON and adjust the height of the support block 1 with the pulse motor 6. When the operation is completed, component mounting is started.
Next, when a different barcode is read, the actuator of the support pin is turned ON and the height is adjusted according to the barcode data in the same manner as described above.

FIG. 3 is a block diagram showing a series of operations of the apparatus according to the embodiment of the present invention.

That is, in FIG. 3, the data of the type and thickness of the substrate is selected by the bar code reader 10. Next, this data is input to the main controller 12. Each bar code 9 previously input to the main controller 12
To the actuator switching controller 11
Is sent to the pulse motor driver 7, and each actuator is
Turn ON and adjust the height of the support block 1 with the pulse motor 6. Next, component mounting is started as described above.

As described above, according to the substrate support pin automatic switching device of one embodiment of the present invention, it is possible to easily cope with FMS production, and it is also possible to easily cope with so-called random mix production. It can also correspond to the change.

[Effects of the Invention] As described above, the present invention incorporates an actuator for raising and lowering a support pin in a support block that can be moved up and down by a pulse motor. The effect of eliminating the need for pin replacement can be achieved.

Also, a preferred mode of the present invention is to display data on a substrate, read and input this data, and turn on each actuator based on the input information, and adjust the height of the support block. By providing a means for adjusting, when the type of the board changes, the place where the support pins are to be set is determined based on preset data, and when the thickness of the board changes, the support block is moved up and down by driving a pulse motor. So efficiently
In addition, it is possible to achieve an effect that the type of the substrate can be quickly changed.

Therefore, according to the present invention, it is possible to provide a substrate support pin automatic switching device capable of coping with FMS production, random mix production, and completely unmanned operation.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a main part of an automatic board support pin switching device according to one embodiment of the present invention, FIG. 2 is a schematic sectional view of the same, FIG. 3 is a block diagram of the same, and FIG. It is a figure showing a switching method. 1 ... board support block, 2 ... support pins, 4
... rails, 5 ... actuators, 6 ... pulse motors, 7 ... pulse motor drivers, 8 ... boards, 9 ...
Barcode, 10 ... Barcode reader, 11 ... Actuator switching controller.

Continuation of the front page (72) Inventor Takeshi Kuribayashi 1006 Kazuma Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References JP-A-1-146400 (JP, A) JP-A-1-160099 (JP) , A) (58) Field surveyed (Int. Cl. ⁶ , DB name) H05K 13/04

Claims (4)

(57) [Claims] 1. A rail for transporting a substrate, a substrate support block including a plurality of support pins for supporting a back surface of the substrate transported from the rail, and a first driving unit for vertically moving the substrate support block. An automatic substrate support pin switching device including: a plurality of support pins, each of which is provided with a second drive unit that can arbitrarily adjust the height corresponding to the substrate to be supported. Board support pin automatic switching device. 2. The apparatus according to claim 1, further comprising: means for reading and inputting data displayed on the substrate, wherein the first drive unit is driven based on the input information, and the height of the substrate support block is adjusted. 4. The substrate support pin automatic switching device according to 4. 3. The apparatus according to claim 1, further comprising means for reading and inputting the data displayed on the substrate, wherein the second drive section is driven based on the input information, and the height of the support pins is adjusted. The board support pin automatic switching device described in the above. 4. A method of supporting a substrate, wherein a back surface of a substrate to which data of a type and a thickness of a substrate are individually attached is supported by a substrate support block provided with a plurality of support pins. A first step of reading the attached data, based on the data read in the first step,
A second step of individually adjusting the heights of the plurality of support pins and adjusting the height of the substrate support block, and the substrate support block adjusted to a predetermined height in the second step. And a third step of supporting the back surface of the substrate.