CN213485254U - Circuit board anti-jamming board device and aligning machine - Google Patents
Circuit board anti-jamming board device and aligning machine Download PDFInfo
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- CN213485254U CN213485254U CN202022623029.9U CN202022623029U CN213485254U CN 213485254 U CN213485254 U CN 213485254U CN 202022623029 U CN202022623029 U CN 202022623029U CN 213485254 U CN213485254 U CN 213485254U
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Abstract
The embodiment of the utility model discloses circuit board anti-sticking board device and alignment machine. This circuit board anti-sticking board device includes: the circuit board signal acquisition device comprises a preset number of signal inductors, a signal processing unit and a signal processing unit, wherein the signal inductors are arranged in a transmission channel of a circuit board and are used for outputting a board signal when the retention time of the circuit board is detected to be larger than or equal to a preset time threshold value; the controller is connected with the signal sensor and used for responding to the card board signal and outputting an alarm trigger signal; and the alarm is connected with the controller and used for responding to the alarm trigger signal to give an alarm. When the circuit board jamming in this embodiment, signal inductor output cardboard signal to controller, the controller is reported to the police according to this cardboard signal trigger alarm to inform the staff in time to handle cardboard trouble very first time, thereby can avoid the multiple circuit board to pile up, solved the circuit board cardboard can't be in time found and lead to the circuit board to pile up condemned problem, improved the plan yields of circuit board.
Description
Technical Field
The embodiment of the utility model provides a circuit board transmission technology especially relates to a circuit board anti-sticking board device and machine of ajusting.
Background
The FPC board is conveyed to a transmission platform of the aligning machine after flowing out through the mesh belt of the reflow oven.
In the prior art, in the transmission process of the FPC board, the position of the FPC board is inclined and clamped on a straightening device of a straightening machine, and staff behind a furnace cannot find the inclination in time, so that the FPC board is stacked and scrapped.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a circuit board anti-sticking board device and machine of ajusting to avoid the circuit board to pile up and scrap because the cardboard in transmission course, thereby improve the rate of production of record yields of circuit board.
In a first aspect, an embodiment of the present invention provides a circuit board anti-jamming board device, include:
the circuit board detection device comprises a preset number of signal inductors, a signal detection circuit and a signal processing circuit, wherein the signal inductors are arranged in a transmission channel of a circuit board and used for outputting a board clamping signal when the retention time of the circuit board is detected to be larger than or equal to a preset time threshold value;
the controller is connected with the signal sensor and used for responding to the card board signal and outputting an alarm trigger signal;
and the alarm is connected with the controller and used for giving an alarm in response to the alarm trigger signal.
Optionally, the number of the signal inductors is four, and the four signal inductors are arranged at intervals along a transmission direction orthogonal to the circuit board.
Optionally, the sensor fixing bracket further comprises a bracket main body and a fixing strip;
the bracket main body is arranged above the transmission channel, and two ends of the bracket main body are respectively fixed at two sides of the transmission channel;
the number of the fixing strips is four, the four fixing strips extend out of the support main body along the transmission direction of the circuit board, and the signal inductor is fixed at the extending end of one fixing strip.
Optionally, the device further comprises a limiting mechanism;
the limiting mechanism is arranged in the middle of the transmission channel along the transmission direction of the circuit board and is used for correcting the position of the circuit board deviating from the transmission direction.
Optionally, one end of the limiting mechanism extends to the output end of the reflow oven, the other end of the limiting mechanism extends to a straightening channel of the straightening machine, and the limiting mechanism is used for correcting the position of the circuit board which deviates from the transmission direction and is output by the reflow oven.
Optionally, the bottom of the limiting mechanism is provided with a roller, and the limiting mechanism is supported on the conveying belt in the conveying channel through the roller.
Optionally, the circuit board aligning device further comprises a connecting mechanism, the connecting mechanism is arranged between the output end of the reflow oven and the aligning machine, and the connecting mechanism is used for transmitting the circuit board output by the reflow oven to the aligning machine.
Optionally, the engagement mechanism includes a preset number of rollers;
the rollers are arranged at intervals and are connected through roller shafts, and two ends of each roller shaft are supported at preset positions of the straightening machine.
Optionally, the controller is a programmable logic controller PLC.
In a second aspect, the embodiment of the utility model provides a set up machine is still provided, include the utility model discloses arbitrary embodiment circuit board anti-sticking board device.
In the embodiment, the circuit board in transmission is identified through the signal inductor, and when the circuit board is normally transmitted, the time length of the circuit board passing through the detection area of the signal inductor is less than a set time threshold value, so that the signal inductor is not triggered to output a card board signal; when the circuit board is clamped, the circuit board stays continuously in the detection area of the signal inductor and cannot circulate, the signal inductor detects the stay time of the circuit board, and if the stay time reaches a preset time threshold value, the signal inductor determines that the circuit board is clamped and outputs a clamping board signal to the controller; the controller triggers the alarm according to this cardboard signal and reports to the police to inform the staff with cardboard trouble very first time, the staff can in time handle the circuit board of jamming according to alarm signal, thereby can avoid the multiple circuit board to pile up, therefore this embodiment passes through the signal inductor, the controller cooperates with the alarm, can solve the circuit board cardboard and can't be in time discover and lead to the circuit board to pile up condemned problem, can stop the product to scrap, improve the case setting yields of circuit board. Meanwhile, because the clamping stagnation circuit board can be processed in time, the risk that the clamping stagnation circuit board damages the straightening equipment is correspondingly reduced.
Drawings
Fig. 1 is a block diagram of a circuit board anti-jamming device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a circuit board anti-jamming device provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another anti-jamming board device for circuit board according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
When the circuit board that flows out through the reflow oven is carried to the machine of ajusting, it needs to pass through the conveyer belt of the machine of ajusting earlier, the alignment module of machine of putting is conveyed to with the circuit board by two different alignment passageways in conveyer belt the place skew appears in the conveyer belt again, when the circuit board when the transmission band position skew appears, can lead to the circuit board to be conveyed to the crack between two alignment passageways after flowing out the conveyer belt on the one hand and lead to the cardboard and can't normally convey to the module of ajusting, on the other hand can lead to the circuit board by the card in the hookup location of alignment passageway and conveyer belt, the circuit board that is blocked can further block follow-up outflow, just can cause many circuit boards to pile up in the card stagnation position from this, when the cardboard time of circuit board surpasss for a certain duration or. The anti-blocking board device that this embodiment provided can inform the inspection personnel of cardboard trouble the very first time when detecting that there is the circuit board by the jamming, carries out timely processing by inspection personnel, and avoids appearing many circuit board piles and leads to the circuit board to scrap. The anti-jamming device is specifically described below with reference to the accompanying drawings.
Fig. 1 is the embodiment of the utility model provides a structural block diagram of a circuit board anti-sticking board device, this circuit board anti-sticking board device can regard as independent linking equipment to dispose between reflow oven and the machine of ajusting, perhaps connects the reflow oven as a part of the machine of ajusting to prevent that the circuit board from piling up because the cardboard from scrapping in transmission process. Referring to fig. 1, the circuit board anti-blocking device includes:
the circuit board detection device comprises a preset number of signal inductors 110, wherein the signal inductors 110 are arranged in a transmission channel of a circuit board, and the signal inductors 110 are used for outputting a board clamping signal when the retention time of the circuit board is detected to be larger than or equal to a preset time threshold;
the controller 120 is connected with the signal sensor 110, and the controller 120 is used for responding to the card board signal and outputting an alarm trigger signal;
and an alarm 130 connected to the controller 120, wherein the alarm 130 is configured to alarm in response to an alarm trigger signal.
Each signal sensor 110 corresponds to a detection area, and the signal sensors 110 can detect whether the circuit board normally passes through the detection area by emitting detection signals to the detection area and according to reflection signals of the detection signals.
When the staying time of the circuit board in the detection area exceeds the set time threshold, it indicates that the circuit board is stuck, the circuit board does not move forward, and the signal sensor 110 outputs a card board signal to the controller 120 at this time. The time threshold may be preconfigured by the controller 120. For example, if the controller 120 sets the time threshold to 30s and the signal sensor 110 detects that the circuit board is continuously present in the detection area within 30s, the signal sensor 110 determines that the circuit board is stuck and outputs a stuck signal.
In this embodiment, the number of the signal sensors 110 can be adjusted according to the width of the transmission channel, so as to control the signal sensors 110 to detect all the circuit boards in the width direction of the transmission channel.
Optionally, fig. 2 is a schematic structural diagram of a circuit board anti-blocking board device provided in the embodiment of the present invention. Referring to fig. 2, in an embodiment, the conveying channel is embodied as a conveyor belt 140 of a straightening machine, and the conveyor belt 140 of the straightening machine is located between the reflow oven 150 and a straightening module 160 of the straightening machine, so as to convey the circuit board flowing out of the reflow oven 150 to the straightening module 160 for straightening. At this time, the number of the signal sensors 110 arranged is adjusted according to the width of the transfer belt 140 so that the detection area of the signal sensor 110 can cover the entire circuit board within the transfer belt 140.
The controller (not shown in fig. 2) is configured to recognize the output signals of the signal sensors 110 and trigger the alarm 130 to operate when it is recognized that any signal sensor 110 outputs the card signal. When the number of the signal sensors 110 is not uniform, any signal sensor 110 outputs a card signal, and the controller responds to trigger the alarm 130 to alarm.
The alarm 130 is configured to perform an alarm alert in response to an alarm trigger signal from the controller. The alarm mode can be an acoustic alarm and/or a luminous alarm and the like. For example, a buzzer alarm may be provided by a buzzer, and/or a light alarm may be provided by a light emitting diode.
As can be seen from the above analysis, in the present embodiment, the signal sensor 110 identifies the circuit board during transmission, and when the circuit board is normally transmitted, the time duration that the circuit board passes through the detection area of the signal sensor 110 is less than the set time threshold, so that the signal sensor 110 is not triggered to output the card board signal; when the circuit board is stuck, the circuit board stays continuously in the detection area of the signal sensor 110 and cannot circulate, the signal sensor 110 detects the staying time of the circuit board, and if the staying time reaches a preset time threshold value, the signal sensor 110 determines that the circuit board is stuck and outputs a stuck signal to the controller 120; controller 120 triggers alarm 130 according to this cardboard signal and reports to the police to inform the staff with cardboard trouble very first time, the staff can in time handle the circuit board that the card stagnated according to alarm signal, thereby can avoid the multiple circuit board to pile up, therefore this embodiment passes through signal inductor 110, controller 120 and alarm 130 cooperate, can solve the circuit board cardboard and can't in time be found and lead to the circuit board to pile up condemned problem, can stop the product and scrap, improve the case setting yields of circuit board. Meanwhile, because the clamping stagnation circuit board can be processed in time, the risk that the clamping stagnation circuit board damages the straightening equipment is correspondingly reduced.
Optionally, on the basis of the above embodiment, reference is continued to fig. 2. The number of the signal inductors 110 is four, and the four signal inductors 110 are arranged at intervals along the transmission direction orthogonal to the circuit board.
The size of the straightening machine is limited, the width of the transmission belt 140 of the straightening machine is limited, the number of the signal inductors 110 is set to be four, the four signal inductors 110 are arranged at intervals along the transmission direction orthogonal to the circuit board, and the detection signals of the signal inductors 110 can cover all the circuit boards in the left area, the middle area and the right area of the transmission channel.
In one embodiment, the four signal sensors 110 are disposed at equal intervals along the width direction of the transmission belt 140, and the four signal sensors 110 are disposed opposite to the connection position of the transmission belt 140 and the aligning channel of the aligning machine, so as to detect whether the circuit board transmitted to the position is jammed.
Optionally, on the basis of the above embodiment, reference is continued to fig. 2. The circuit board anti-jamming device also comprises an inductor fixing support, wherein the inductor fixing support comprises a support main body 170 and a fixing strip 180;
the bracket main body 170 is arranged above the transmission channel, and two ends of the bracket main body 170 are respectively fixed at two sides of the transmission channel;
the number of the fixing bars 180 is four, the four fixing bars 180 extend out of the bracket body 170 in the transmission direction of the circuit board, and one signal sensor 110 is fixed to the extended end of one fixing bar 180.
Wherein, the support parts are arranged at the two ends of the bracket main body 170, and are connected with the corresponding parts at the two sides of the transmission channel so as to fix the inductor fixing bracket. Meanwhile, the support part supports the bracket body 170 at a certain height to pass through the transmission passage, so that the bracket body 170 and the circuit board in the transmission passage have a certain height difference. With this structure, the circuit board in the transmission channel is not blocked by the bracket body 170, so that the circuit board can be normally transmitted.
The fixing bars 180 are used to fix the signal sensors 110, and one fixing bar 180 corresponds to one signal sensor 110. The extending end of the fixing strip 180 extends to the position of the transmission channel where the clamping plate is easy to generate, so that the detection area of the signal sensor 110 covers the position of the clamping plate, and the transmission state of the circuit board is automatically detected.
Illustratively, the circuit board flowing out of the reflow oven 150 is transferred to the leveling module 160 through the transfer belt 140, and the support body 170 is disposed along the width direction of the transfer belt 140 such that the fixing bars 180 are dispersedly disposed in the width direction of the transfer belt 140. Generally, the clamping is easily generated at the connection position of the transmission belt 140 and the aligning channel, so that the extension end of the fixing strip 180 is extended to the connection position of the transmission belt 140 and the aligning channel, and the signal sensor 110 is fixed at the extension end of the fixing strip 180, so that the signal sensor 110 can just detect the connection position of the transmission belt 140 and the aligning module 160, and detect whether the circuit board is clamped or not in real time.
Optionally, a wiring slot (not shown in fig. 2) is disposed on the bracket body 170, and a connection line between the signal sensor 110 and the controller (not shown in fig. 2) is received in the wiring slot.
Optionally, fig. 3 is a schematic structural diagram of another anti-jamming board device for circuit board according to an embodiment of the present invention. On the basis of the above embodiment, reference is made to fig. 3. The circuit board anti-jamming device also comprises a limiting mechanism 200;
the limiting mechanism 200 is arranged in the middle of the transmission channel along the transmission direction of the circuit board, and the limiting mechanism 200 is used for correcting the position of the circuit board deviated from the transmission direction.
Two straightening channels are arranged between the conveying belt 140 and the straightening module 160 of the straightening machine, a gap is arranged between the two straightening channels, and the two conveying channels are used for straightening the straightening channels of the straightening machine. When the circuit board is shifted after flowing out of the reflow oven 150, the circuit board may enter a gap between two rails after flowing out of the transfer belt 140, and the circuit board may be jammed.
The purpose of the limiting mechanism provided in this embodiment is to prevent the circuit board from entering the normal aligning channel due to the deviation of the transmission direction. Specifically, the limiting mechanism 200 is arranged in the middle of the transmission channel along the transmission direction, so that under the action of the limiting mechanism 200, the circuit board deviating from the normal transmission direction is acted on the transmission belt 140 by the limiting mechanism 200 to keep the direction fixed, namely, the transmission direction can not continuously deviate, so that the circuit board can be transmitted to the corresponding aligning channel and can not enter a gap between the aligning channels, and the circuit board can be prevented from being stacked and scrapped after flowing out of the transmission belt 140.
Exemplarily, the limiting mechanism 200 may be an isolating block having a certain height, the isolating block is disposed along the transmission direction, the transmission band 140 is divided into two transmission regions, and the two transmission regions correspond to the two aligning channels at the outflow end, so that when a circuit board is shifted in position, the isolating block can block the shifted circuit board, thereby performing a position correction function on the circuit board shifted in the transmission direction.
Optionally, on the basis of the above embodiment, reference is continued to fig. 3. One end of the limiting mechanism 200 extends to the output end of the reflow oven 150, the other end extends to the aligning channel of the aligning machine, and the limiting mechanism 200 is used for correcting the position of the circuit board which is output by the reflow oven 150 and deviates from the transmission direction.
Wherein, one end of the limiting mechanism 200 extends to the output end of the reflow oven 150, so that the limiting mechanism 200 can limit the circuit board which just flows out of the reflow oven 150; the other end of the limiting mechanism 200 extends to the aligning channel to ensure that the limiting function of the limiting mechanism 200 can be applied to the whole transmission process.
Continuing, on the basis of the above embodiment, reference is continued to fig. 3. The bottom of the spacing mechanism 200 is provided with a roller 210, and the spacing mechanism 200 is supported on the conveying belt 140 in the conveying channel through the roller 210.
Wherein, the bottom of stop gear 200 sets up gyro wheel 210, and like this, when transmission band 140 removed, stop gear 200 slided on transmission band 140 through the gyro wheel 210 of bottom to greatly reduced the frictional force between stop gear 200 and the transmission band 140, therefore can avoid stop gear 200 to cause the fish tail to transmission band 140.
Alternatively, refer to fig. 2 and 3. This circuit board anti-sticking board device still includes linking mechanism, and linking mechanism 220 sets up between reflow oven 150 output and the machine of ajusting, and linking mechanism 220 is used for conveying the circuit board of reflow oven 150 output to the machine of ajusting.
There is a certain gap between the output end of the reflow oven 150 and the conveyor belt 140 of the alignment machine, and when a small circuit board is conveyed, it may happen that the circuit board falls from the gap. In this embodiment, the connecting mechanism 220 is disposed at the gap, and the connecting mechanism 220 receives the current board flowing out of the reflow oven 150 way, so as to avoid board dropping and ensure that the circuit board can normally enter the transmission channel.
Optionally, on the basis of the above embodiment, the engaging mechanism 220 includes a preset number of rollers;
the rollers are arranged at intervals and are connected through roller shafts, and two ends of each roller shaft are supported at preset positions of the straightening machine.
The roller shaft can be supported and arranged on an aluminum groove at the front end of the straightening machine to realize free rotation and drive each roller arranged at intervals to rotate along with the roller shaft. The engaged structure formed by the rollers and roller shafts cooperating transfers the received circuit board to the conveyor belt 140.
Optionally, on the basis of the above embodiment, the controller in this embodiment is a programmable logic controller PLC.
Optionally, the embodiment of the utility model provides a machine of rectifying still is provided, should rectify the machine and include the utility model discloses the circuit board anti-sticking board device that arbitrary embodiment provided, therefore this embodiment also includes the beneficial effect that above-mentioned arbitrary embodiment described.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a circuit board anti-sticking board device which characterized in that includes:
the circuit board detection device comprises a preset number of signal inductors, a signal detection circuit and a signal processing circuit, wherein the signal inductors are arranged in a transmission channel of a circuit board and used for outputting a board clamping signal when the retention time of the circuit board is detected to be larger than or equal to a preset time threshold value;
the controller is connected with the signal sensor and used for responding to the card board signal and outputting an alarm trigger signal;
and the alarm is connected with the controller and used for giving an alarm in response to the alarm trigger signal.
2. The device of claim 1, wherein the number of the signal sensors is four, and the four signal sensors are spaced apart in a transmission direction orthogonal to the circuit board.
3. The circuit board anti-jamming device according to claim 2, further comprising an inductor fixing bracket, the inductor fixing bracket comprising a bracket main body and a fixing strip;
the bracket main body is arranged above the transmission channel, and two ends of the bracket main body are respectively fixed at two sides of the transmission channel;
the number of the fixing strips is four, the four fixing strips extend out of the support main body along the transmission direction of the circuit board, and the signal inductor is fixed at the extending end of one fixing strip.
4. The circuit board anti-jamming device according to claim 1, further comprising a limiting mechanism;
the limiting mechanism is arranged in the middle of the transmission channel along the transmission direction of the circuit board and is used for correcting the position of the circuit board deviating from the transmission direction.
5. The circuit board anti-blocking board device of claim 4,
one end of the limiting mechanism extends to the output end of the reflow oven, the other end of the limiting mechanism extends to a straightening channel of the straightening machine, and the limiting mechanism is used for correcting the position of the circuit board which deviates from the transmission direction output by the reflow oven.
6. The device of claim 5, wherein the bottom of the position-limiting mechanism is provided with a roller, and the position-limiting mechanism is supported by a transmission belt in the transmission channel through the roller.
7. The anti-jamming device for circuit board according to claim 1, further comprising a joining mechanism disposed between an output end of the reflow oven and the straightening machine, the joining mechanism being configured to convey the circuit board output by the reflow oven to the straightening machine.
8. The device of claim 7, wherein the engaging mechanism comprises a predetermined number of rollers;
the rollers are arranged at intervals and are connected through roller shafts, and two ends of each roller shaft are supported at preset positions of the straightening machine.
9. The circuit board anti-seize device according to any one of claims 1 to 8, wherein the controller is a Programmable Logic Controller (PLC).
10. A squaring machine comprising the circuit board anti-seize device of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022623029.9U CN213485254U (en) | 2020-11-13 | 2020-11-13 | Circuit board anti-jamming board device and aligning machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022623029.9U CN213485254U (en) | 2020-11-13 | 2020-11-13 | Circuit board anti-jamming board device and aligning machine |
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| Publication Number | Publication Date |
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| CN213485254U true CN213485254U (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022623029.9U Active CN213485254U (en) | 2020-11-13 | 2020-11-13 | Circuit board anti-jamming board device and aligning machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114253212A (en) * | 2021-12-15 | 2022-03-29 | 东风汽车集团股份有限公司 | Curved collision avoidance system is crossed to long-pending chain of putting |
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2020
- 2020-11-13 CN CN202022623029.9U patent/CN213485254U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114253212A (en) * | 2021-12-15 | 2022-03-29 | 东风汽车集团股份有限公司 | Curved collision avoidance system is crossed to long-pending chain of putting |
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