CN209517535U - Improvement electric boiling plate structure for prepreg drying device - Google Patents
Improvement electric boiling plate structure for prepreg drying device Download PDFInfo
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- CN209517535U CN209517535U CN201822209117.7U CN201822209117U CN209517535U CN 209517535 U CN209517535 U CN 209517535U CN 201822209117 U CN201822209117 U CN 201822209117U CN 209517535 U CN209517535 U CN 209517535U
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Abstract
The utility model discloses a kind of improvement electric boiling plate structures for prepreg drying device, the structure sets gradually the one of inner transverse arrangement in uplink drying tower, two and three area's electric heating board groups, four are set gradually in downlink drying tower, five and six area's electric heating board groups, wherein electric boiling plate longitudinal arrangement in the area Si Hewu electric heating board group, electric boiling plate is laterally arranged in six area's electric heating board groups, every piece of electric heating board group is connect with a SCR control device, and quartz glass plate is equipped in the outside of every group of electric heating board group, the structure improved structure is simple, it is easy to operate, temperature is easily controllable in drying tower, and prepreg ectonexine can be heated simultaneously and be heated evenly, the fast less energy consumption of heating speed；Furthermore quartz glass plate is isolated by electric boiling plate with prepreg, is prevented electric boiling plate aging from falling off and is caused safety accident, considerably increases the safety of production.
Description
Technical field
The utility model relates to a kind of PCB prepregs to glue drying device, more particularly to a kind of for prepreg
The improvement electric boiling plate structure of drying unit, belongs to printed circuit board processing equipment technical field.
Background technique
Prepreg is the semi-finished product for being applied to copper-clad plate and multilayer printed circuit board in current industry, mainly by glass
The reinforcing materials such as glass fiber cloth, non-woven fabrics are dried after impregnating hybrid resin.In drying processing procedure, usually using baking oven pair
Prepreg drying makes colloid carry out gelation and removes solvent contained in most of colloid, wherein carrying out needs when gelation
Guarantee that prepreg transverse direction gelation time is moderate and it is consistent to reach, especially more needs to infuse when the thickness of prepreg is thicker
It anticipates this point, avoids the case where bow warping occur in subsequent PCB processing procedure.
Existing common prepreg drying device includes the internal uplink drying tower 15 and downlink for being respectively equipped with heating sheet
Drying tower 16, which is parallel to each other and is arranged side by side, and the top and bottom of the uplink and downlink drying tower are divided equally
The inlet and outlet of face passed in and out for prepreg 18 is not offered；It is formed in the top of uplink and downlink drying tower common region
Area 17 is transmitted, transfer roller groups are equipped in the transmission area and is connected with cooling wind, the prepreg after dipping is dried through uplink drying tower
Enter transmission area afterwards, enters downlink drying tower after transmission area's internal diameter cold front heavy rain prevents roll banding.
There are warm in drying tower for the arrangement mode of electric heating sheets in the uplink and downlink drying tower of traditional drying unit existing at present
Degree is not easy to control, therefore prepreg is lateral and inside and outside gelation time is inconsistent, leads to the feelings of prepreg unstable quality
Condition；And the control of electric boiling plate is a temperature controller while controlling the several of bilateral symmetry arrangement in existing traditional drying tower
Block electric boiling plate (usually four pieces, in each two pieces of arrangements in left and right), and a temperature controls a corresponding temperature monitoring point, in this way
If heating plate broken string in monitoring point leads to not normally detect it is necessary to by the radiation of other three pieces of heating plates because other are abnormal
Temperature to control to monitoring point, and the temperature and actual temperature monitored in this way has very large deviation, be easy to cause heating plate partial breakdown,
Mars after causing punch through falls into glue basin, causes fire incident, causes the problems such as production is dangerous.
Utility model content
Add in order to solve the above technical problems, the utility model provides a kind of improvement electricity for prepreg drying device
Hot plate structure, structure is simple, easy to operate, and temperature is easily controllable in drying tower, and prepreg ectonexine can be heated simultaneously
And it is heated evenly, the fast less energy consumption of heating speed；Furthermore quartz glass plate is isolated by electric boiling plate with prepreg, prevents electric heating
Plate aging, which falls off, causes safety accident, considerably increases the safety of production.
The technical solution of the utility model is:
A kind of improvement electric boiling plate structure for prepreg drying device, is respectively arranged on uplink drying tower and downlink is dried
In dry tower, successively arranges in the uplink drying tower along prepreg up direction and add equipped with area's electric heating board group, two area's electricity
Tri- area's electric heating board group of hot plate Zu He；It successively arranges in the downlink drying tower along prepreg down direction and adds equipped with four area's electricity
Hot plate group, five area's electric heating board groups and six area's electric heating board groups；Each area's electric heating board group is arranged by interval and is divided into half
The face the A group and the face B group of cured sheets two sides are constituted, and prepreg is successively arranged in the face A group and the face B of the same electric heating board group in each area
Between group；And the face the A group of each area's electric heating board group and surrounding of the face B group is sealed encloses equipped with quartz glass plate, the quartz
The one side of glass plate towards electric boiling plate is in roughness, which is in smooth backwards to the one side of electric boiling plate
Shape；
It transversely arranges if being wherein equipped in the face the A group of the area's electric heating of described one, two, three and six board group and the face B group
Dry block electric boiling plate is equipped with several blocks of electricity arranged along longitudinal direction in the face the A group and the face B group of the area the Si Hewu electric heating board group
Heating plate；Every piece of electric boiling plate is respectively connected with a SCR control device, and each SCR control device is connect with human-computer interaction device and list
Only switch control.
Its further technical solution is:
Be respectively equipped in the face the A group and the face B group of the area's electric heating board group of described one, two, three and six five pieces it is mutually independent
Electric boiling plate.
The face the A group of the area the Si Hewu electric heating board group is respectively equipped with five pieces of mutually independent electric boiling plates, and described four
Six pieces of mutually independent electric boiling plates are respectively equipped with the face the B group of five area's electric heating board groups.
Adjacent positioning is equipped with the first exhaust column between the face the A group in adjacent twoth area in the uplink drying tower, and uplink is dried
Adjacent positioning is equipped with the second exhaust column between the face the B group in adjacent twoth area in dry tower, and first exhaust column and the second exhaust column are equal
It is connected to the inlet end of waste treatment device.
Adjacent positioning is equipped with third exhaust column between four, the five area face electrothermal clip board group A groups in the downlink drying tower, and
Four, adjacent positioning is equipped with the 4th exhaust column between five face area's electric heating board group B groups, and the third exhaust column and the 4th exhaust column are equal
It is connected to the inlet end of emission-control equipment.
The first temperature sensor, a left side for the 4th exhaust column are respectively equipped at the left and right side of the third exhaust column
Second temperature sensor is respectively equipped at side and right side, and first and second temperature sensor is connect with human-computer interaction device respectively.
4th area in the top and downlink drying tower of three area's electric heating board group A face groups and the face B group in the uplink drying tower
The top end of electric heating board group A face group and the face B group is respectively equipped with an equal pressing plate.
It is each formed with a buffer area at the top of every piece of equal pressing plate, the row's of being equipped with cooling air unit in the buffer area.
The advantageous effects of the utility model are: the electric boiling plate in the utility model structure-improved uses electric heating side
Formula, heating temperature is high and easily controllable, using SCR control and the one-to-one control of every piece of electric boiling plate, can accurately control each
The temperature of block heating plate is maintained at the gelation time of prepreg in suitable range；One, two, three and six area's electric heating
Electric boiling plate in board group can be guaranteed using the mode being transversely mounted just in case can be in the case where the damage of single electric boiling plate
The temperature of remaining electric boiling plate is adjusted to make prepreg left side, middle part and right side homogeneous heating, to prevent prepreg
Single-point uneven heating is even to make it abnormal situation occur；Electric boiling plate in the area Si Hewu electric heating board group uses longitudinally mounted
Mode can control the transverse temperature in drying tower, it is also ensured that the consistency of the gelation time of prepreg horizontal line.?
The outer surface surrounding of every group of electric heating board group is coated with quartz glass layer, and thermal energy is passed to prepreg in a manner of radiating,
Make prepreg ectonexine while heating, electric boiling plate is isolated with prepreg again for surface glass layer, prevents heating plate aging
It falls off and causes safety accident, greatly increase the safety of production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Wherein:
Mono- area's electric heating board group of 1-；Mono- face area's electric heating board group A group of 1a-；Mono- face area's electric heating board group B group of 1b-；
Bis- area's electric heating board group of 2-；Bis- face area's electric heating board group A group of 2a-；Bis- face area's electric heating board group B group of 2b-；
Tri- area's electric heating board group of 3-；Tri- face area's electric heating board group A group of 3a-；Tri- face area's electric heating board group B group of 3b-；
Tetra- area's electric heating board group of 4-；Tetra- face area's electric heating board group A group of 4a-；Tetra- face area's electric heating board group B group of 4b-；
Five area's electric heating board group of 5-；Five face area's electric heating board group A group of 5a-；Five face area's electric heating board group B group of 5b-；
Six area's electric heating board group of 6-；Six face area's electric heating board group A group of 6a-；Six face area's electric heating board group B group of 6b-；
7- quartz glass plate；
8- electric boiling plate；
The first exhaust column of 9-；
The second exhaust column of 10-；
11- third exhaust column；
The 4th exhaust column of 12-；
The equal pressing plate of 13-；
The buffer area 14-；
15- uplink drying tower；
16- downlink drying tower；
17- transmits area；
18- prepreg；
The first temperature sensor of 19-；
20- second temperature sensor.
Specific embodiment
In order to understand the technical means of the present invention more clearly, it and can be implemented in accordance with the contents of the specification,
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail, following embodiment is used
In illustrating the utility model, but it is not intended to limit the scope of the present invention.
The herein described improvement electric boiling plate structure for prepreg drying device is described in detail below.The electricity adds
Hot plate structure is respectively arranged in the uplink drying tower 15 and downlink drying tower 16 of conventional prepreg drying device.
It successively arranges in the uplink drying tower 15 along 18 up direction of prepreg and is equipped with area's electric heating board group 1, two
Area's electric heating board group 2 and three area's electric heating board groups 3；It successively arranges in the downlink drying tower 16 along 18 down direction of prepreg
Equipped with four area's electric heating board groups 4, five area's electric heating board groups 5 and six area's electric heating board groups 6.Each area's electric heating board group is by interval
It is arranged and is divided into the face the A group of prepreg two sides and the face B group is constituted, prepreg 18 is successively arranged in the same electric heating in each area
Between the face the A group and the face B group of board group.That is area's electric heating board group 1 includes area's electric heating board group A face group 1a and area electric heating
The face board group B group 1b, similarly two, three, four, five and six areas respectively include corresponding area's electric heating board group A face group and the face B group, such as scheme
Shown, the face the A group and the face B group positional symmetry formula of same district electric heating board group are set to the two sides of prepreg 18.Above-mentioned one, two,
Several pieces of electric boiling plates 8 transversely arranged are equipped in the face the A group and the face B group of three and six area's electric heating board groups, this is specific real
It applies in example and is respectively equipped with five pieces of mutually independent electric heating in the face the A group and the face B group of one, two, three and six area's electric heating board groups
Plate 8.Several pieces of electric boiling plates 8 arranged along longitudinal direction are equipped in the face the A group and the face B group of the above-mentioned area Si Hewu electric heating board group,
And when longitudinal arrangement electric boiling plate the face facing towards prepreg, the A of the area Si Hewu electric heating board group in this specific embodiment
Face group is respectively equipped with five pieces of mutually independent electric boiling plates 8, and the face the B group of the area Si Hewu electric heating board group is respectively equipped with six
The mutually independent electric boiling plate 8 of block.To sum up, uplink drying tower and downlink drying tower are total equipped with 62 blocks of electricity in this specific embodiment
Heating plate is wherein 30 pieces in uplink drying tower, is 32 pieces in downlink drying tower.One, two, three and six area's electricity are added in the application
Electric boiling plate in hot plate group uses the electric boiling plate in the area Si Hewu electric heating board group longitudinal using the mode being transversely mounted
The mode of installation, be because be transversely mounted part can guarantee just in case single electric boiling plate damage in the case where it is adjustable its
The temperature of remaining electric boiling plate to make on the left of prepreg, middle part and right side homogeneous heating, thus prevent prepreg single-point by
Heat unevenly makes it abnormal situation occur, and longitudinally mounted part can control the transverse temperature in drying tower, can also protect
Demonstrate,prove the consistency of the gelation time of prepreg horizontal line.
Surrounding in the application in the face the A group of each area's electric heating board group and the face B group is sealed to enclose equipped with quartz glass
Plate 7, the quartz glass plate towards electric boiling plate one side be in roughness, the quartz glass plate backwards to electric boiling plate one
Side is in smooth shape.Quartz glass plate described herein be all made of can quartz glass resistant to high temperature be made, usually can
Resistance to 1300 DEG C or so of high temperature.When the quartz glass using this material and mode is in electric heating board group A face group and the face B group
After electric boiling plate is coated, the thermal energy that electric boiling plate generates can be transmitted on prepreg in a manner of infra-red radiation,
When the frequency of infra-red radiation is identical as prepreg warm-up movement frequency, infra-red radiation can be absorbed and by its energy by prepreg
Molecular thermalmotion is converted by heating prepreg, the internal layer of prepreg can be made in this way and outer layer while being heated,
It is heated evenly the inside and outside of prepreg, and heating speed also accelerates, improves production efficiency；Additionally due to quartz glass
Plate will keep apart between the electric boiling plate and prepreg of each group, not only can be to avoid prepreg shaking and electric heating sheets
Contact, moreover it is possible to directly be contacted after avoiding the solvent on prepreg from being heated volatilization with electric heating sheets, and then prevent electric heating sheets
Aging, which falls off, causes safe thing, considerably increases the safety of production.
Every piece of electric boiling plate 8 is respectively connected with a SCR control device in the application.Electric boiling plate used in this application uses
380V Alternating Current Power Supply, temperature-controlled precision ± 1 DEG C, display precision ± 0.1 DEG C；And the practical SCR control device of the application has typing protection,
400 DEG C of highest setting in the application, furthermore SCR control device all has single-point alarm function, equal when being more than temperature or too low temperature
Alarm can occur.Electric boiling plate each so is corresponded with an independent SCR control device and is controlled, each SCR control device
It connect with human-computer interaction device and independent switch control, and adds on the touching display screen of human-computer interaction device for every block of electricity
Hot plate has control display unit, can carry out electricity in this way on man-machine mutual device by adjusting the parameter of SCR control device
The operations such as independent switch and the temperature adjustment of heating sheet, can accurately control the temperature of each piece of electric boiling plate, make semi-solid preparation
The gelation time of piece is maintained in suitable range.
Adjacent positioning is equipped with the first exhaust column 9 between the face the A group in adjacent twoth area in uplink drying tower 15, and uplink is dried
Adjacent positioning is equipped with the second exhaust column 10 between the face the B group in adjacent twoth area in tower, and first exhaust column and the second exhaust column are equal
It is connected to the inlet end of emission-control equipment, mainly takes the solvent in uplink drying tower away, make it into exhaust-gas treatment dress
It sets and is handled, the usual emission-control equipment selects RTO.In downlink drying tower 16 between four, the five area face electrothermal clip board group A groups
Adjacent positioning is equipped with third exhaust column 11, and adjacent positioning is equipped with the 4th exhausting between four, five face area's electric heating board group B groups
Pipe 12, the third exhaust column and the 4th exhaust column are connected to the inlet end of emission-control equipment, mainly by downlink drying tower
The solvent inside retained is taken away, equally makes it into emission-control equipment such as RTO and is handled.Furthermore on a left side for third exhaust column
It is respectively equipped with the first temperature sensor 19 at side and right side, the second temperature is respectively equipped at the left and right side of the 4th exhaust column
Sensor 20 is spent, and first and second temperature sensor is connect with human-computer interaction device respectively, it in this way can be from human-computer interaction device
Touching display screen show wind-warm syndrome, Simultaneous Monitoring temperature.
Furthermore in the top and downlink drying tower of three area's electric heating board group A face groups and the face B group 4th area in uplink drying tower
The top end of electric heating board group A face group and the face B group is respectively equipped with an equal pressing plate 13, equal shape at the top of every piece of equal pressing plate
The buffer area Cheng Youyi 14, the interior row's of the being equipped with cooling air unit in the buffer area 14, the cold wind transmitted in area 17 is mainly taken away, prevent
Cold wind influences the temperature of following heating zone.
Electric boiling plate in the utility model structure-improved uses Electric heating, and heating temperature is high and easily controllable, makes
With SCR control and the one-to-one control of every piece of electric boiling plate, the temperature of each piece of heating plate can be accurately controlled, prepreg is made
Gelation time is maintained in suitable range；One, the electric boiling plate use in two, three and six area's electric heating board groups is transversely mounted
Mode, can guarantee just in case the temperature of adjustable remaining electric boiling plate is in the case where the damage of single electric boiling plate to make
Prepreg left side, middle part and right side homogeneous heating, to prevent prepreg single-point uneven heating is even from it being made exception occur
Situation；Electric boiling plate in the area Si Hewu electric heating board group uses longitudinally mounted mode, can control the transverse direction in drying tower
Temperature, it is also ensured that the consistency of the gelation time of prepreg horizontal line.In the outer surface surrounding of every group of electric heating board group
It is coated with quartz glass layer, thermal energy is passed into prepreg in a manner of radiating, make prepreg ectonexine while being heated, table
Electric boiling plate is isolated with prepreg again for surface glass layer, is prevented heating plate aging from falling off and is caused safety accident, greatly increases life
The safety of production.
The above is only the preferred embodiment of the utility model, is not intended to limit the utility model, it is noted that
For those skilled in the art, without deviating from the technical principle of the utility model, it can also do
Several improvements and modifications out, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of improvement electric boiling plate structure for prepreg drying device is respectively arranged on uplink drying tower and downlink drying
In tower, it is characterised in that:
It successively arranges in the uplink drying tower along prepreg up direction and is equipped with area's electric heating board group, two area's electric boiling plates
Tri- area's electric heating board group of Zu He；It successively arranges in the downlink drying tower along prepreg down direction and is equipped with four area's electric boiling plates
Group, five area's electric heating board groups and six area's electric heating board groups；Each area's electric heating board group is arranged by interval and is divided into semi-solid preparation
The face the A group and the face B group of piece two sides are constituted, prepreg be successively arranged in the same electric heating board group in each area the face A group and the face B group it
Between；And the face the A group of each area's electric heating board group and surrounding of the face B group is sealed encloses equipped with quartz glass plate, the quartz glass
The one side of plate towards electric boiling plate is in roughness, which is in smooth shape backwards to the one side of electric boiling plate；
Wherein several pieces transversely to arrange are equipped in the face the A group of the area's electric heating of described one, two, three and six board group and the face B group
Electric boiling plate is equipped with several pieces of electric heating arranged along longitudinal direction in the face the A group and the face B group of the area the Si Hewu electric heating board group
Plate；Every piece of electric boiling plate is respectively connected with a SCR control device, and each SCR control device connect with human-computer interaction device and individually opens
Close control.
2. the improvement electric boiling plate structure according to claim 1 for prepreg drying device, it is characterised in that: institute
It states in the face the A group and the face B group of one, two, three and six area's electric heating board groups and is respectively equipped with five pieces of mutually independent electric boiling plates.
3. the improvement electric boiling plate structure according to claim 1 for prepreg drying device, it is characterised in that: institute
The face the A group for stating the area Si Hewu electric heating board group is respectively equipped with five pieces of mutually independent electric boiling plates, and the area Si Hewu electricity adds
The face the B group of hot plate group is respectively equipped with six pieces of mutually independent electric boiling plates.
4. the improvement electric boiling plate structure according to claim 1 for prepreg drying device, it is characterised in that: institute
It states adjacent positioning between the face the A group in adjacent twoth area in uplink drying tower and is equipped with the first exhaust column, and is adjacent in uplink drying tower
Adjacent positioning is equipped with the second exhaust column between the face the B group in twoth area, and first exhaust column and the second exhaust column are and waste treatment
The inlet end of device is connected to.
5. the improvement electric boiling plate structure according to claim 1 for prepreg drying device, it is characterised in that: institute
It states in downlink drying tower adjacent positioning between four, the five area face electrothermal clip board group A groups and is equipped with third exhaust column, and four, five areas electricity
It heats adjacent positioning between the group of the face board group B and is equipped with the 4th exhaust column, the third exhaust column and the 4th exhaust column are and at exhaust gas
Manage the inlet end connection of device.
6. the improvement electric boiling plate structure according to claim 5 for prepreg drying device, it is characterised in that: institute
It states and is respectively equipped with the first temperature sensor at the left and right side of third exhaust column, at the left and right side of the 4th exhaust column
It is respectively equipped with second temperature sensor, and first and second temperature sensor is connect with human-computer interaction device respectively.
7. the improvement electric boiling plate structure according to claim 1 for prepreg drying device, it is characterised in that: institute
State in uplink drying tower four area's electric heating board group A in the top and downlink drying tower of three area's electric heating board group A face groups and the face B group
The top end of face group and the face B group is respectively equipped with an equal pressing plate.
8. the improvement electric boiling plate structure according to claim 7 for prepreg drying device, it is characterised in that: every
It is each formed with a buffer area at the top of equal pressing plate described in block, the row's of being equipped with cooling air unit in the buffer area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822209117.7U CN209517535U (en) | 2018-12-27 | 2018-12-27 | Improvement electric boiling plate structure for prepreg drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822209117.7U CN209517535U (en) | 2018-12-27 | 2018-12-27 | Improvement electric boiling plate structure for prepreg drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209517535U true CN209517535U (en) | 2019-10-18 |
Family
ID=68197525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822209117.7U Active CN209517535U (en) | 2018-12-27 | 2018-12-27 | Improvement electric boiling plate structure for prepreg drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209517535U (en) |
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2018
- 2018-12-27 CN CN201822209117.7U patent/CN209517535U/en active Active
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