JP3054502B2 - Curing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a curing device for bonding or soldering electronic components to a printed circuit board by using an ultraviolet lamp or a far-infrared heater.

[0002]

2. Description of the Related Art As a curing apparatus of this kind, there is one disclosed in Japanese Patent Application Laid-Open No. 3-259913 filed by the present applicant. However, the inside of the curing device was at a high temperature, the conveyor was sometimes distorted, and the substrate sometimes dropped from the conveyor. Therefore, the substrate width data was corrected so that the substrate did not drop.

However, if the substrate width data of the curing device is corrected, the substrate width data of another upstream device is also changed, which is inconvenient.

[0004]

SUMMARY OF THE INVENTION Therefore, according to the present invention, the conveyor width data is changed in consideration of the distortion of the conveyor,
The purpose is to prevent the substrate from falling in the curing device

[0005]

SUMMARY OF THE INVENTION Accordingly, the present invention is directed to a curing device for bonding or soldering electronic components to a printed circuit board by means of an ultraviolet lamp or a far-infrared heater. A conveyor, conveyor width changing means for changing the conveyor width, a first storage device for storing the substrate width data of the substrate, and a second storage for storing clearance data relating to the conveyor width in consideration of the distortion of the conveyor. And a control device for controlling the conveyor width changing means based on the data stored in the two storage devices.

[0006]

With the above arrangement, the control device controls the conveyor width changing means to change the conveyor width based on the substrate width data and the clearance data stored in the first and second storage devices.

[0007]

An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 2, (1) is a curing device main body,
It comprises a base (2), a substrate transport section (3), and an adhesive / curing section (4). As shown in FIG. 3, a pair of conveyors (5) are provided in the transport section (3), and a printed circuit board (8) is driven by a driving source (not shown) via a driving sprocket (6) and a driven sprocket (7). Are transported in a state where both side ends of the are placed on the placement portion (52). The conveyor (5) is a driven sprocket (48) in which the rotation of the driving sprocket (46) by the driving of the driving motor (45) is transmitted by a belt (47) corresponding to the substrate width of the substrate (8) to be handled. , The ball screw (49) is rotated, and the movable conveyor (51) moves toward and away from the fixed conveyor (50) to change the width. An auxiliary conveyor (54) is located between the conveyor of the upstream apparatus (not shown) and the conveyor (5) and facilitates the transfer of the substrate (8) to the conveyor (5). The auxiliary sprocket (7) ) Is transmitted via the belt (55). Although not shown, a solder paste is applied to the substrate (8) by a screen printing machine, and an ultraviolet curable adhesive is applied to the substrate by an adhesive application device. It is.

An adhesive / curing section (4) is provided above the transport section (3). The adhesive / curing section (4) has an ultraviolet lamp storage chamber (9) and a far infrared heater storage. The chambers (10) are sequentially arranged. The ultraviolet lamp storage chamber (9) and the heater storage chamber (10) are separated by a heat insulating wall (not shown).

The heater storage chamber (10) is partitioned from the upstream side into five chambers of preheaters 1, 2, 3 and reflows 1, 2 via a heat insulating wall (not shown), and is located above the conveyor (5). Is provided with a panel-type far-infrared heater (11) (see FIG. 1) at predetermined intervals, and a stirring blower () for stirring heat in each of the preheaters 1, 2, 3 and the reflow 1, 2. (The preheaters 2 and 3 share one blower (20).)
The fact that the temperature in the heater storage chamber (10) has reached a predetermined value means that the temperature sensors (2) provided near the heaters (11) are provided.
2) is detected. (12) is an exhaust duct.

A lower surface cooling blower (not shown) for cooling the components mounted on the back surface of the substrate (8) to prevent the components mounted on the back surface of the preheaters 1, 2, and 3 from being heated and damaged.
Is disposed below the conveyor (5), and a lower heater (not shown) for heating the substrate (8) from below is disposed below the conveyor (5) in the reflow units 1 and 2, and the preheaters 1 and 2 are disposed below the conveyor (5).
Each of the reflow units 2 and 3 and the reflow units 1 and 2 is provided with a forced cooling device (not shown) for rapidly cooling the indoor temperature.

Further, a cylindrical ultraviolet lamp (14) is disposed in the lamp storage chamber (9) so that its longitudinal direction is perpendicular to the flow direction of the substrate (8) (see FIG. 1). Is disposed above the conveyor (5).
Above the lamp (14), a reflector (not shown) having a semicircular cross section is provided with a length slightly longer than the length of the lamp (14) in the longitudinal direction. An exhaust fan (not shown) for cooling is disposed above the reflector, and is connected to the exhaust duct (12).

A collection conveyor (not shown) for collecting the substrate (8) dropped from the conveyor (5) is provided below and parallel to the conveyor (5). The drop of the substrate (8) is detected because the number of substrates detected at the entrance of the apparatus does not match the number of substrates detected at the exit.

(24) shown in FIG. 2 is a curing device main body (1).
The tower lights attached to, for example, are colored red, yellow, green from the top, lighting, blinking of these colors,
Notify the worker of various contents from the light-off.

An interface (30) shown in FIG. 1 is an interface, the far-infrared heater (11) and the ultraviolet lamp (1).
4), temperature sensor (22), tower light (24), touch panel switch (31), CRT (32), buzzer (3
3) and the like are connected, and these are stored in RAM by the CPU (34) as a control device for integrally controlling the curing device.
It is controlled according to the NC data stored in (35) and the program related to the curing operation stored in the ROM (36). The touch panel switch (31) is attached on the screen of the CRT (32) via an attachment (not shown). The touch panel switch (31) has a transparent conductive film coated on the entire surface of a glass substrate, and electrodes are printed on four sides. Therefore, a very small current is applied to the surface of the touch panel switch (31), and when an operator touches the touch panel switch, a current change occurs in the four electrodes, and the coordinate value touched by the circuit board connected to the electrodes is calculated. Therefore, if the coordinate values match the coordinate values in the coordinate value group stored in advance in the switch unit for performing the work in the RAM (35), the work is performed.

An operation unit (37) is a start key (38) for starting operation of the apparatus, and a stop key (3) for stopping operation.
9) and the like.

The operation will be described below.

First, when the power is turned on, the CRT (32)
Displays the initial screen shown in FIG. On this screen, operation switches for respective items of “production operation”, “setup work”, “data editing”, “device maintenance”, and “environment setting” are displayed. Each operation switch section is color-coded for each item and is displayed in a double frame, and a touch panel switch (31) is attached to the upper surface thereof.

The operation switch of "production operation" is used to start production operation, modify production model data, set up conveyor width, etc.
Touch when performing operations such as The operation switch unit is displayed in green.

The operation switch section of "setup work" is touched when performing operations such as model switching, setup change, manual work, etc. The operation switch unit is displayed in yellow-green.

The operation switch of "data edit" is provided by NC
Data / device setting data editing / offset data ...
Touch when performing operations such as. The operation switch unit is displayed in blue.

The operation switch section of "apparatus maintenance" is touched when performing operations such as management information, information redisplay, apparatus diagnosis, manual operation, apparatus inspection, etc. The operation switch unit is displayed in yellow.

The operation switch section of "environment setting" includes tower light setting, timer reservation setting, buzzer setting, display color setting,
Touch when performing operations such as. The operation switch unit is displayed in gray.

Touching the gray “environment setting” operation switch section on this initial screen displays the environment setting screen shown in FIG. 9, but “environment setting” is displayed below the “initial screen” operation switch section. Is displayed. On this screen, "Tower light setting", "Buzzer setting", "Timer reservation setting",
The operation switches (all gray) for each item of “calendar setting”, “display color setting” and “monitor setting” are displayed.

The operation switch section of "tower light setting" is touched when an operation of setting the tower light (24) lighting for each apparatus state is performed.

The operation switch section of "buzzer setting" is touched when the operation of the buzzer setting / buzzer registration sound setting for each device state is performed.

The operation switch section of "timer reservation setting" is touched when an operation of setting a weekly timer is performed.

The operation switch section of "Calendar setting"
Touch to perform date and time setting operations.

The operation switch section of "display color setting" is touched when the operation of setting the screen display color is performed.

The operation switch section of "monitor setting" is touched when setting operation of the screen protection function is performed.

On this screen, when the operation switch section of "Tower light setting" is touched, a screen for tower light setting shown in FIG. 10 is displayed. For example, when the curing device becomes abnormal for some reason, the red of the tower light (24) is turned on, the yellow is turned off, and the green is turned off. When the substrate stagnation time is over, the red light is turned on, the yellow light is turned off, and the green light is turned off. Substrate (8) is conveyor (5)
When the operator is informed of the fall from the board (falling board alarm), the red light is turned off, the yellow light is blinked, and the green light is turned on. In this case, it is detected that the number of substrates detected at the entrance of the apparatus does not match the number of substrates detected at the exit, and the CPU (34) uses the tower light (24) based on the detection result. Notify others. When notifying the life of the ultraviolet lamp (14) (UV lamp life notice), the red light is turned off, the yellow is blinked, and the green light is turned off. In this case, the ultraviolet lamp (1
The usage time of 4) is counted, and a notification is made when the set time is reached. During start-up operation, the red light is turned off, the yellow light is turned off, and the green light blinks. During the shutdown operation,
The red light is turned off, the yellow light is turned on, and the green light is turned off.
When automatic driving is being performed, standard settings are made in advance so that red light is turned off, yellow light is turned off, and green light is turned on.

Further, on this screen, the operator can arbitrarily change the lighting method of the tower lamp (24) for each device state. FIG. 11 shows an example. When the curing device becomes abnormal, the tower lamp (24) is turned on in red, turned off in yellow, and turned off in green. When the substrate stagnation time is over, the red light is turned off, the yellow light is blinked, and the green light is turned off. In the case of a falling board alarm, flashes red,
Turn off yellow and turn off green. During start-up operation, the red light is turned off, the yellow light blinks, and the green light is turned on. During the shutdown operation, flashes red, turns off yellow, and turns on green. The light-off, blinking, and lighting change sequentially with each touch of each operation switch unit, and can be arbitrarily set by an operator.

By pressing the "standard setting" operation switch at the lower right of the screen, the display returns to the standard setting shown in FIG.

Subsequently, when the user wants to perform "buzzer setting", the user touches the "screen return" switch section at the lower left of the screen to display the environment setting screen shown in FIG. 9, and touches the "buzzer setting" operation switch section. Then, the screen of the buzzer setting shown in FIG. 12 is displayed. If the device is abnormal, an alarm sounds with an intermittent sound. In addition, continuous sound in case of board stoppage time over, mute in case of falling board alarm, mute in case of UV lamp life notice, mute in start-up operation, mute in shutdown operation, mute in automatic operation Is set.

Further, on this screen, the operator can arbitrarily change the way of alarming by the buzzer (33) for each device state. FIG. 13 shows an example. If the device is abnormal, an alarm will sound with a registration sound. In the case of a falling board alarm,
In the case of V lamp life notice, an alarm sounds with an intermittent sound. This silence,
The intermittent sound, the continuous sound, and the registration sound change sequentially with each touch of each operation switch unit, and can be arbitrarily set by the operator.

Pressing the "standard setting" operation switch at the lower right of the screen returns to the standard setting shown in FIG.

To set the registration sound, touch the operation switch section of "Registration sound setting" at the lower right on this screen to display the "Registration sound setting" screen shown in FIG. Then, an arbitrary registration sound (ON-OFF combination) is set in the buzzer registration sound creation table on this screen. The creation table is
One cycle and two seconds are composed of eight divided blocks, and each block is touched to set a notification pattern.
When the color of the block is black, it is in the OFF state, and when it is blue, it is in the ON state, and the block is inverted for each touch. When the "test key" at the lower right of the screen is pressed, the registered sound is registered for two cycles and the buzzer (33) is notified, so that the operator can confirm. With this unique registration sound, the worker can determine that the registration sound heard during the work is that of the line device that he / she is responsible for, and can distinguish it from the devices of other lines.

The number of the registered sounds is not limited to one, and a different registered sound may be registered for each device state, so that each device state can be distinguished.

Next, when the user wants to perform "timer reservation setting", he touches the operation switch section of "timer reservation setting" on the environment setting screen after returning to the screen, and enters "timer reservation setting" shown in FIG. Display the screen. On this screen,
FIG. 15 shows that the hardening device is started at 7:30 on Monday and is shut down at 17:00 on Friday. In the following example, this example is described at 8:00 on Monday.
The setting operation for changing the setting so as to start at 18:00 and to fall at 18:00 on Friday will be described.

First, when it is desired to set the start time on Monday from 7:30 to 8:00, touch the operation switch unit indicating the start time on Monday. Then, “Startup time on Monday: 07:30” is displayed on the lower left of the screen.
Is displayed, and the cursor is positioned at the head “0” of 07:30. Then, since "0" can be left as it is, move the cursor to the next "7" position, operate the lower right "10-key" and input "8", and similarly input "0" and "0" I do. When the data input is completed, the "setting key" is pressed to set the data. As a result, the operation switch indicating the start time on Monday is changed from 07:30 to 08:00. Similarly, the fall time on Friday is 17:00
If the user wants to change the time from 18:00 to 18:00, he touches the operation switch unit indicating the fall time on Friday. Then, “Falling time on Friday: 17:00” is displayed on the display at the lower left of the screen.
"0" is displayed, and the cursor is positioned at the head "1" at 17:00. Then, since "1" can be left as it is, the cursor is moved to the next position "7", "10" is operated by operating the lower right "numeric keypad", and "0" and "0" are left as it is. Then, press the "setting key" to set the data. Thereby, the operation switch unit indicating the fall time on Friday is changed from 17:00 to 18:00.

Here, continuous operation is performed from the start-up on Monday to the shutdown on Friday, and the setting in this case will be described with reference to FIG.

"-::-" set on the operation switch section at the fall time on Monday indicates that no time is set. After touching the operation switch section, the "set time clear key"
Is set by touching. Then, “valid” is set in the operation switch unit that indicates whether the data input on Monday is “valid” or “invalid”. [Valid / Invalid] is switched every time the operation switch section is touched. On Tuesday, no data has been input (“−−−−−”), so driving is continued from 7:30 on Monday. Further, although data is input on Wednesday, the data is ignored and the operation is continued because the operation switch unit of [valid / invalid] is "invalid".
Next, on Thursday, the start-up time is input as 07:30, but since the apparatus is already operating, this data is also ignored. And the above-mentioned fall time 1 on Friday
At 8:00, the operation of the device is stopped. Although data is input on Saturdays and Sundays, since both are set to "invalid", the apparatus is not operated and remains stopped.

Based on the data set in this way, C
The PU (34) manages the start time of the weekly start-up and fall-off operations.

Note that the continuous operation may not be performed as in the case of Monday to Friday.
If the time is set to 0:00 and the start time on Friday is set to 7:30, the device is operated continuously from 8:00 on Monday to 17:00 on Thursday, and from 7:30 to 18:00 on Friday. It is driven until. Further, the setting is not limited to a week, but may be set for a day, a month, or a year.

Further, when the operator touches the green operation switch for "production operation" on the initial screen, a screen relating to the production operation (reflow) shown in FIG. 5 is displayed. When the start key (38) is pressed in this screen, the "stopping" screen shown in FIG. 5 is replaced with the "starting" screen shown in FIG. 6, and the start-up operation of the curing device is started. . That is, the heater housing chamber (1) is heated by the far infrared heater (11).
0) is set to the temperature set by the temperature sensor (22) and stabilized, the ultraviolet lamp (14) is turned on, and a board request signal is sent to the CPU to supply the board (8) to the upstream device.
When the signal is output from (34), the screen changes to the "running" screen as shown in FIG. 7, and the curing operation is started.

As a result, the substrates (8) placed on the conveyor (5) are sequentially conveyed from the upstream device via the auxiliary conveyor (54). At this time, the adhesive is applied. The adhesive is cured by using both an ultraviolet lamp (14) and a far-infrared heater (11) for the substrate (8), or an ultraviolet lamp is applied to the substrate (8) coated with the adhesive and the solder paste. The adhesive is cured in (14), and the solder paste is preheated and melted by the far infrared heater (11).

FIGS. 5 to 7 show in the center of the screen.
As shown in (1), the production model data summary is displayed, and the operator can check information such as the current state of the curing device during the curing operation. The production model data overview screen is changed each time the operation switch section of “display switching” is touched, and information on other items of the production model data is displayed. The screen of FIG. 7 schematically shows the curing device and the setting state of each part of the device. According to this, as for the width of the conveyor (5), the set value is 250.00 [mm] (upper), the current value is 250.00 [mm] (lower), and the set value of the conveyor speed is 1.00 [m / min]. ] (Upper row) and the current value is 0.99 [m
/ Min] (lower), similarly, the set value of the chamber of the preheater 1 is 1
At 80 ° C., the current value is 179 ° C., and the far-infrared heater (11) is driven (the driving condition is a black circle (driving state) and a white circle (non-driving state) below the room temperature present value display section. Is displayed), the stirring blower (20) is driven at the set value of 70 [%] and the current value is 70 [%], and both lower surface cooling and forced cooling are performed. In the chamber of the preheater 2, the set value is 160 [° C.] and the current value is 163 [° C.], the heater (11) is not driven, and the blower (20) has the set value of 50 [° C.].
At [%], the current value is driven at 50 [%], lower surface cooling is performed, and forced cooling is not performed. In the chamber of the preheater 3, the set value is 150 [° C.] and the current value is 155 [° C.], the heater (11) is not driven, and the stirring blower (20) has the set value of 50 [%] and the current value is 50 [%]. (The preheaters 2 and 3 are shared by the blowers (20).) The bottom surface is cooled and the forced cooling is not performed. In the chamber of the preheater 4, the set value is 230 [° C.] and the current value is 230 [° C.], the heater (11) is driven, and the blower (20) is set to the set value 80.
At [%], the current value is driven at 80 [%], and forced cooling is performed. The set value of the chamber of the preheater 5 is 220 [° C]
, The current value is 218 [° C.], the heater (11) is driven, and the blower (20) is set to 100 [%] and the current value is 1
It is driven at 00 [%] and forced cooling is performed. Further, the value of a counter for measuring the usage time of the ultraviolet lamp (14) is displayed on the upper left of the schematic diagram of the apparatus (corresponding to the position of the ultraviolet lamp (14)) (total 01,000 hours of the usage time of the UV lamp (14) ( Upper), UV lamp (14)
0100 hours after replacement), UV lamp (1
4) is operated at 500 [V] rating. In addition, the number of printed circuit boards (current value: 10,000) and the substrate finishing time (1
300 [sec] per sheet is also displayed, and the value is cleared by touching each operation switch section of “clear board production quantity” and “clear UV lamp time” at the bottom left of the screen.

Further, a display section for displaying device information is provided at a lower portion of the screen, and FIG. 16 shows an example of display contents.

For example, during the information item "start-up operation", the display section shows "Start-up operation is in progress. It takes 99 minutes until the start-up is completed (countdown is sequentially performed)." The lamp lights up.UV
Do not look directly into the reflected light from the lamp. ”,“ Change model ”,“ Production model has been changed ”or“ It is 99 minutes until the change is completed. ”,“ During run ”is“ During run. 99 min. "," Detected falling board "," The board has dropped. It is being transported to the exit by the recovery net conveyor. "," Substrate stagnant at the exit, " Please remove the board. ",
When "UV lamp life is detected", "UV lamp life is expired. Replace it" is displayed.

The operation of setting the offset data for the conveyor (5) will now be described.

Touching the "data edit" operation switch on the initial screen displays a data edit screen shown in FIG. On this screen, operation switches (all blue) for respective items of “NC data”, “device setting data”, and “offset data” are displayed.

The operation switch section of "NC data"
Touch to edit, display, or check data.

The operation switch section of “device setting data”
Touch to edit / display device setting data.

The operation switch of "offset data" is touched when editing and displaying offset data and the like of the apparatus.

Touching the "offset data" operation switch on this screen displays the apparatus offset screen shown in FIG. On this screen, there are items of "Conveyor speed", "Conveyor width" and "Conveyor width clearance", and the conveyor speed is -0.99.
To +0.99 [m / min], the conveyor width can be input in the range of -9.9 to +9.9 [mm], and the conveyor width clearance can be input in the range of 0.0 to 1.0 [mm]. In the example of FIG. 18, the conveyor speed is +0.99 [m /
Min], the conveyor width is set to +9.9 [mm], and the conveyor width clearance is set to 0.3 [mm].
As for the setting method, touch the operation switch unit for each item in the same manner as the timer reservation setting described above, display the item on the display unit, and input a predetermined numerical value with the “numeric keypad”,
Set with “Setting key”. Here, the conveyor width offset data is used when adjusting the conveyor width according to the board width data stored in the RAM (35) for each board (8).
There is a deviation from the actual conveyor width due to the assembly accuracy. This is stored as offset data. Conveyor clearance means the difference between the width of the conveyor and the width of the substrate. The conveyor (5) is distorted in the substrate width direction due to high temperature in the curing device, and the substrate (8) may be displaced due to the distortion. May fall from the conveyor (5), clearance data is set on this screen to drive the drive motor (45) to drive the drive sprocket (46) and the driven sprocket (4).
The substrate (8) is prevented from falling by rotating the ball screw (49) via the belt (8) and the belt (47) to move the movable conveyor (51) closer to the fixed conveyor (50). In addition, the substrate (8) in which warpage has occurred can be dealt with similarly. In addition, the conveyor speed and conveyor width can be modified on this screen. Hereinafter, various substrates (8) are transported in the curing device based on these offset data.

This is not limited to the conveyer of the curing device. For example, a screen printing machine for printing cream solder on a substrate through a screen, a coating device for applying an adhesive to the substrate, and a component for mounting chip components on the substrate. You may apply to the conveyor of a mounting apparatus.

During the curing operation, the operator inspects the board (8) after the completion of the operation, and determines, for example, that the adhesive or cream solder on the board (8) is not sufficiently cured or melted. The operation will be described.

On the "Driving" screen shown in FIG. 7, touch the operation switch section of the "submenu" at the lower right,
The sub-menu screen shown in FIG. 8 is displayed.

On this screen, "Production model data correction"
The operation switches for each item of "Conveyor width setup work", "Equipment timer setting", "Production model operation information", and "Equipment abnormality redisplay" are displayed.

The operation switch section of "Modify production model data" on this screen is touched when modifying production model data (NC data / part type data).

The operation switch section of "Conveyor width setup work" is touched when performing the work of setting the conveyor width.

The operation switch section of “apparatus timer setting” is touched when setting various timers.

The operation switch section of “production model operation information” is touched when it is necessary to know production operation information (volume, time breakdown, component use status, suction rate status, abnormal breakdown...) Relating to the production model.

The operation switch section for “redisplay of device abnormality”
Touch this button to redisplay an abnormal display or device information that has occurred in the past.

Touching the operation switch of "Production model data correction" on this screen displays a production model data correction screen shown in FIG.

This screen has a display section for displaying the current value, set value and correction value for each item of the conveyor speed, preheaters 1, 2, 3, reflow 1, 2 and bottom heater.
A correction value for the set value is set by “+” and “−”.
For example, since the melting of the solder paste is insufficient, the set temperatures of the reflow 1 and 2 and the lower surface heater (set values 230, 22
To change (increase) 0, 200 [° C.], touch the “+” operation switch section and input the desired temperature (240, 230, 250 [° C.]) on the display of the correction value. Then, the operator touches the operation switch section of "execute correction value" at the center of the lower part of the screen. As a result, the set temperatures of the reflow units 1, 2 and the lower heater are changed, and the CPU (34) controls the respective heaters, and the current values of the reflow units 1, 2 and the lower heater start to increase as shown in FIG. It should be noted that the setting of the above-described correction value can be confirmed by the operator because the content displayed on the display section of the correction value is surrounded by a frame. Further, when the operation switch section of “page feed” is touched on this screen, other items of the production model data correction (the stirring blower (20) corresponding to the chamber of the preheater 1, the blowers of the preheaters 2 and 3) shown in FIG. 20), each blower (20) of reflow 1 and 2, a UV unit, and a blower for cooling the lower surface) are displayed on the screen. By modifying these set values, it is possible to change the conditions of the curing process for the substrate of the model currently being handled. This correction is automatically cleared when a model change is performed and a different board is handled.

[0067]

As described above, according to the present invention, the conveyor width data can be changed in consideration of the distortion of the conveyor, and the substrate can be prevented from dropping in the curing device.

[Brief description of the drawings]

FIG. 1 is a configuration circuit diagram of a curing device.

FIG. 2 is a front view of the same.

FIG. 3 is a plan view of the conveyor.

FIG. 4 is a screen displayed via a touch panel switch.

FIG. 5 is a screen displayed via a touch panel switch.

FIG. 6 is a screen displayed via a touch panel switch.

FIG. 7 is a screen displayed via a touch panel switch.

FIG. 8 is a screen displayed via a touch panel switch.

FIG. 9 is a screen displayed via a touch panel switch.

FIG. 10 is a screen displayed via a touch panel switch.

FIG. 11 is a screen displayed via a touch panel switch.

FIG. 12 is a screen displayed via a touch panel switch.

FIG. 13 is a screen displayed via a touch panel switch.

FIG. 14 is a screen displayed via a touch panel switch.

FIG. 15 is a screen displayed via a touch panel switch.

FIG. 16 is a screen displayed via a touch panel switch.

FIG. 17 is a screen displayed via a touch panel switch.

FIG. 18 is a screen displayed via a touch panel switch.

FIG. 19 is a screen displayed via a touch panel switch.

FIG. 20 is a screen displayed via a touch panel switch.

FIG. 21 is a screen displayed via a touch panel switch.

[Explanation of symbols]

 (1) Curing device body (5) Conveyor (8) Printed circuit board (11) Far infrared heater (14) Ultraviolet lamp (20) Stirring blower (24) Tower light (31) Touch panel switch (32) CRT (33) Buzzer ( 34) CPU (35) RAM (45) Drive motor (50) Fixed conveyor (51) Movable conveyor

Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) H05K 3/34 507 H05K 3/34 504 B29C 35/02 B65G 21/14

Claims (1)

(57) [Claims] 1. A curing device for bonding or soldering electronic components to a printed board by means of an ultraviolet lamp or a far-infrared heater, wherein a pair of conveyors for transporting the board in the apparatus and the width of the conveyor are changed. Conveyor width changing means, a first storage device for storing substrate width data of the substrate, a second storage device for storing clearance data relating to the conveyor width in consideration of the distortion of the conveyor, and storage in both storage devices A control device for controlling the conveyor width changing means based on the obtained data.