CN209738541U - Paper color detection device of printing machine - Google Patents
Paper color detection device of printing machine Download PDFInfo
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- CN209738541U CN209738541U CN201920298236.6U CN201920298236U CN209738541U CN 209738541 U CN209738541 U CN 209738541U CN 201920298236 U CN201920298236 U CN 201920298236U CN 209738541 U CN209738541 U CN 209738541U
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Abstract
The utility model relates to a paper printing detection area, more specifically say, it relates to a paper color detection device of printing machine, aims at solving the problem that the people's eye is difficult to correctly detect the paper color, and its technical scheme main points are: the paper color difference detection device comprises a base station for placing paper, a locking mechanism connected to the base station and used for locking the position of the paper, a color sensor connected to the base station and used for detecting the color difference of the paper, a prompter connected to the base station, and a control circuit used for controlling the opening and closing of the prompter according to a sensing signal of the color sensor. The utility model discloses a color sensor, control circuit's design for the paper can be carried out the color automatically and detect, has practiced thrift the manual work greatly.
Description
Technical Field
the utility model relates to a paper printing detection area, more specifically say, it relates to a paper color detection device of printing machine.
background
After the printing is accomplished to the printing machine, carry out the selective examination to the colour of paper, present most paper colour detects all to detect through the people's eye, and difficult to avoid has the erroneous judgement, causes the puzzlement to subsequent processing, selling.
therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
not enough to prior art exists, the utility model aims to provide a paper color detection device of printing machine through color sensor, control circuit's design for the paper can be carried out the color automatically and detect, has practiced thrift the manual work greatly.
The above technical purpose of the present invention can be achieved by the following technical solutions: a paper color detection device of a printing machine comprises a base station for placing paper, a locking mechanism which is connected with the base station and locks the position of the paper, a color sensor which is connected in the base station and detects the color difference of the paper, a prompter which is connected with the base station, and a control circuit which controls the prompter to be opened and closed according to the induction signal of the color sensor.
the set printing colors of the printing machine are transmitted to the color sensor, so that the color sensor can detect the required colors;
After printing, place the printing face of paper towards the base station to through locking mechanical system with paper position locking, make the detection position of paper and color sensor correspond, accomplish the leading work that detects, only need start color sensor at last and detect, can accomplish the detection achievement, when detecting unusual colour, point out through the prompting device.
the utility model discloses further set up to: the locking mechanism comprises a limiting strip connected to the base station and a plurality of locking pieces which are connected to the limiting strip in a sliding mode and abut against the top surface of the paper.
the paper butt in spacing, in order to lock the paper to preset the position simultaneously, need use a plurality of locking pieces, just can avoid the incline of paper, realize the spacing of paper.
the utility model discloses further set up to: one side that the locking piece is towards the base station is connected with the infrared detector that detects the paper position, and one side that the locking piece kept away from the base station is equipped with the warning light that the paper position sent the warning when not timing.
The locking of the paper is locked through physical abutting, but when the paper is large, the paper cannot be pulled to cause separation from the locking piece in the process of sequentially locking the locking pieces, so that the infrared detector is further arranged on the locking piece, when the infrared detector receives a weak reflection signal, the paper is indicated to be present, when the infrared detector is unobstructed, the paper is not indicated, and at the moment, a prompt lamp is used for prompting a worker;
every locking piece all is equipped with a suggestion device, consequently need select for use the warning light to carry out visual cue, and does not use bee calling organ to carry out the sense of hearing suggestion, makes the staff can find the locking piece that goes wrong fast.
the utility model discloses further set up to: the control circuit includes:
The detection circuit is coupled to the color sensor and the infrared detector to receive the sensing signal and send out a detection signal;
the comparison circuit is coupled to the output end of the detection circuit to receive the detection signal and output a comparison signal;
And the execution circuit is coupled with the comparison circuit and controls the prompter and the prompting lamp to be powered or not according to the comparison signal.
By adopting the technical scheme, the detection circuit can process different signals of the color sensor and the infrared detector, so that the prompter and the prompting lamp are controlled.
The utility model discloses further set up to: the comparison circuit comprises a comparison circuit, a comparator and a comparator,
the first comparison part is coupled to the detection circuit to receive the detection signal, compares the detection signal with a first preset value and outputs a first control signal;
the second comparing part is coupled to the detection circuit to receive the detection signal, and outputs a second control signal after comparing the detection signal with a second preset value.
The first preset value is a printing color value read from the printing machine, and when the first preset value does not accord with the preset color intensity, the prompter sends out a prompt;
The second preset value is a signal value of the infrared detector when paper exists, and the prompting lamp gives a prompt when the second preset value is not met.
the utility model discloses further set up to: the execution circuit comprises a first execution circuit and a second execution circuit,
the first control part is coupled with the first comparison part to receive a first control signal, and when the sensing signal of the color sensor is different from a first preset value, the first control part enables the prompter to be powered on and keeps a powered-on state;
And the second control part is coupled with the second comparison part to receive a second control signal, and when the sensing signal of the infrared detector is different from a second preset value, the second control part enables the first control part to be powered off and the prompting lamp to be kept in a powered-on state.
by adopting the technical scheme, when the sensing signal of the color sensor is different from the first preset value, the color is indicated to be in a problem, and the prompter works;
when the sensing signal of the infrared detector is different from the second preset value, the paper position is separated, the paper cannot be correctly aligned with the color sensor, at the moment, the prompter stops working, and meanwhile, the prompting lamp is triggered, so that the abnormal locking of the paper is shown.
the utility model discloses further set up to: the first control unit includes:
A fifth resistor, one end of which is coupled to the first comparing part;
the emitter of the first triode is grounded, and the base of the first triode is coupled to the other end of the fifth resistor;
One end of the sixth resistor is coupled to a connection point of the fifth resistor and the base electrode of the first triode, and the other end of the sixth resistor is coupled to a connection point of the first triode and the ground;
A ninth resistor, one end of which is coupled to the direct current and the other end of which is coupled to the collector of the first triode;
The first relay comprises a coil and a first normally open contact switch, one end of the coil is coupled to a connection point of the ninth resistor and the direct current, the other end of the coil is coupled to a connection point of the ninth resistor and the first triode, and the first normally open contact switch is coupled with the prompter.
Through adopting above-mentioned technical scheme, first control signal switches on first relay to make first normally open contact switch closed, and then make the prompting device get electric, can work.
The utility model discloses further set up to: the second control section includes a second control section that includes,
a seventh resistor coupled to the second comparing part;
A base electrode of the second triode is coupled with the seventh resistor, and an emitting electrode of the second triode is grounded;
One end of the eighth resistor is coupled to a connection point of the seventh resistor and the base electrode of the second triode, and the other end of the eighth resistor is coupled to a connection point of the second triode and the ground;
The second relay comprises a first normally closed contact switch, a coil and a second normally closed contact switch, wherein one end of the coil is coupled to direct current, the other end of the coil is coupled to a collector electrode of the second triode, the first normally closed contact switch is coupled to the prompting lamp, and the second normally closed contact switch is coupled between the first normally open switch and the prompting device.
By adopting the technical scheme, the second triode is conducted by the output second control signal, so that the second relay works, the first normally closed contact of the second relay is disconnected, and the first control part cannot start the prompter to work; and meanwhile, the first normally closed contact switch is closed, so that the prompting lamp works.
To sum up, the utility model discloses following beneficial effect has:
Firstly, through the design of the color sensor and the control circuit, the paper can be automatically subjected to color detection, so that the labor is greatly saved;
Secondly, through the design of the locking mechanism, the paper can be correctly locked at a required position, and the color sensor cannot correctly detect the paper without deflection.
Drawings
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a circuit diagram of the control circuit.
in the figure: 1. a base station; 2. a locking mechanism; 21. a limiting strip; 22. a chute; 23. a locking member; 24. a slider; 25. a balancing weight; 26. a warning light; 27. an infrared detector; 28. a mirror; 3. a color sensor; 4. a prompter; 1000. a control circuit; 100. a detection circuit; 200. a comparison circuit; 201. a first comparing section; 202. a second comparing section; 300. an execution circuit; 301. a first control unit; 302. a second control unit; r1, a first resistor; r2, a second resistor; r3, third resistor; r4, fourth resistor; r5, fifth resistor; r6, sixth resistor; r7, seventh resistor; r8, eighth resistor; r9, ninth resistor; A. a first comparator; B. a second comparator; q1, the first triode; q2, the second triode; KM2, a second relay; KM1, a first relay; KM2-1, a first normally closed contact switch; KM2-2, a second normally closed contact switch; KM1-1, first normally open contact switch.
Detailed Description
the present invention will be described in detail with reference to the accompanying drawings and examples.
The first embodiment is as follows: a paper color detection device of a printing machine is shown in figure 1 and comprises a base platform 1, a locking mechanism 2, a color sensor 3 (figure 3) and a prompter 4, wherein the base platform 1 is used for placing paper, the top surface of the base platform is horizontally arranged, the locking mechanism 2 is connected to the base platform 1 and used for locking the position of the paper, the color sensor 3 is connected to the base platform 1 and used for detecting the color difference of the paper, the prompter 4 is connected to the base platform 1, the prompter 4 is coupled to a display screen and used for.
When in use, the set printing color of the printing machine is firstly transmitted to the color sensor 3, so that the color sensor 3 can detect the color required by the printing machine;
after the printing of the printing machine is finished, the printing surface of the paper is placed towards the base station 1, the position of the paper is locked through the locking mechanism 2, the detection position of the paper corresponds to the color sensor 3, and the prepositive work of detection is finished;
and finally, the detection work can be finished only by starting the color sensor 3 for detection, and the prompter 4 is used for prompting when abnormal colors are detected.
As shown in fig. 1 and 2, the locking mechanism 2 includes a position-limiting strip 21 connected to the base 1 and abutting against one side of the paper, and three locking members 23 slidably connected to the position-limiting strip 21 and abutting against the top surface of the paper, wherein two of the locking members 23 are located at the edge of the paper, and one of the locking members 23 is located at the middle position of the paper. The limiting strip 21 is provided with a sliding groove 22, the locking piece 23 comprises a sliding block 24 which is partially embedded in the sliding groove 22 and a balancing weight 25 which is connected to the sliding block 24 and abuts against the top of the paper, and the sliding groove 22 is larger than the embedded part of the sliding block 24, so that the locking piece 23 can perform lifting movement with a certain amplitude through hand lifting while sliding so as to insert the paper.
in order to prevent the sheet from being detached from the locking member 23, an infrared detector 27 for detecting the position of the sheet is connected to the side of the locking member 23 facing the base 1, and a warning lamp 26 for warning when the position of the sheet is not correct is provided on the side of the locking member 23 facing away from the base 1. The infrared detector 27 comprises an infrared emitter embedded in the reflector 28 and connected to the counterweight 25, and after the infrared emitter sends out an infrared signal, if the received reflected signal has high intensity and high brightness, no paper blocking exists; if the received reflected signal strength is weak and the brightness is low, the paper is positioned below the infrared emitter.
example two: a paper color detection device of a printing press, as shown in fig. 2 and 3, is different from the first embodiment in that: the intelligent prompting device also comprises a control circuit 1000 for controlling the prompting device 4 to be opened and closed according to the induction signals of the color sensor 3 and the infrared detector 27.
The control circuit 1000 includes a detection circuit 100 coupled to the color sensor 3 and the infrared detector 27 for receiving the sensing signal and emitting a detection signal, a comparison circuit 200 coupled to the detection circuit 100, and an execution circuit 300 coupled to the comparison circuit 200.
The comparator circuit 200 includes a first comparator 201 and a second comparator 202.
the first comparing part 201 comprises a first resistor R1, a second resistor R2 and a first comparator a, wherein one end of the first resistor R1 is coupled to direct current, the other end of the first resistor R1 is coupled to one end of the second resistor R2, the other end of the second resistor R2 is grounded, the inverting end of the first comparator a is coupled to a connection point of the first resistor R1 and the second resistor R2 to receive a first preset value, the first preset value is a printing color value read from the printer, and when the preset color degree is not met, the prompter 4 gives a prompt; the inverting terminal of the first comparator a is coupled to the color sensor 3 for receiving the detection signal.
the second comparing part 202 comprises a third resistor R3, a fourth resistor R4 and a second comparator B, wherein one end of the third resistor R3 is coupled to direct current, the other end of the third resistor R3 is coupled to one end of the fourth resistor R4, the other end of the fourth resistor R4 is grounded, the positive phase end of the second comparator B is coupled to the connection point of the third resistor R3 and the fourth resistor R4 to receive a second preset value, the second preset value is a signal value of the infrared detector 27 when paper exists, and when the second preset value is not met, the indicator lamp 26 gives a prompt to receive different signals, so that the prompt is given; the inverting terminal of the second comparator B is coupled to the infrared detector 27 for receiving the detection signal. The indicator light 26 uses light sources of various colors, a green light when paper is present, and a yellow light when paper is not present.
The execution circuit 300 includes a first control unit 301 and a second control unit 302.
the first control part 301 includes a fifth resistor R5, a sixth resistor R6, a first triode Q1, a ninth resistor R9, and a first relay KM1, wherein one end of the fifth resistor R5 is coupled to the output end of the first comparator a, and the other end of the fifth resistor R5 is coupled to the base of the first triode Q1; the collector of the first transistor Q1 is coupled to the second relay KM2, and the emitter of the first transistor Q1 is grounded.
One end of the sixth resistor R6 is coupled to a connection point between the fifth resistor R5 and the base of the first transistor Q1, and the other end of the sixth resistor R6 is coupled to a connection point between the first transistor Q1 and ground.
The ninth resistor R9 has one end coupled to the dc power and the other end coupled to the collector of the first transistor Q1.
The first relay KM1 includes a coil and a first normally open contact switch KM1-1, one end of the coil is coupled to a connection point of the ninth resistor R9 and the direct current, the other end of the coil is coupled to a connection point of the ninth resistor R9 and the first triode Q1, and the first normally open contact switch KM1-1 is coupled to the prompter 4.
the second control part 302 comprises a seventh resistor R7, an eighth resistor R8, a second triode Q2, a second relay KM2 and a freewheeling diode, wherein one end of the seventh resistor R7 is coupled to one end of the second comparator B, and the other end of the seventh resistor R7 is coupled to the base of the second triode Q2; the collector of the second transistor Q2 is coupled to the second relay KM2, and the emitter of the second transistor Q2 is grounded.
One end of the eighth resistor R8 is coupled to the connection point of the seventh resistor R7 and the base of the second transistor Q2, and the other end is coupled to the connection point of the second transistor Q2 and the ground; the second relay KM2 is coupled to DC, the second relay KM2 comprises a first normally closed contact switch KM2-1 coupled to the indicator light 26, the first normally closed contact switch KM2-1 is connected to ground; the second relay KM2 further comprises a second normally closed contact switch KM2-2 coupled between the first normally open contact switch KM1-1 and the prompter 4. One end of the freewheeling diode is coupled to a connection point between the second relay KM2 and the collector of the second transistor Q2, and the other end of the freewheeling diode is coupled to a connection point between the second relay KM2 and ground.
The working process is as follows: firstly, the position of the paper is detected by the infrared detector 27, and when the position of the paper does not reach the preset position, the second relay KM2 is started, and the prompting lamp 26 gives out a yellow light prompt;
when the paper reaches the preset position, the second normally closed contact switch KM2-2 is in a closed state, and the prompter 4 can be powered on; meanwhile, the first normally closed contact switch KM2-1 is closed, so that the first normally closed contact switch KM2-1 and the indicator lamp 26 are electrically connected, and finally, the first normally closed contact switch KM2-1 is grounded, so that the indicator lamp 26 gives a green light indicator;
the color of the paper is detected through the color sensor 3, a first control signal is transmitted at the first comparison part 201 through signal processing of the color sensor 3, the first relay KM1 closes the first normally-open contact switch KM1-1, and therefore direct current, the first normally-open contact switch KM1-1, the prompter 4 and the second normally-closed contact switch KM2-2 are electrically connected and finally grounded, the prompter 4 works normally, and when the color goes wrong, prompting can be performed normally.
it is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A paper color detection device of a printing machine is characterized in that: the paper color difference detection device comprises a base platform (1) for placing paper, a locking mechanism (2) connected to the base platform (1) and used for locking the position of the paper, a color sensor (3) connected to the interior of the base platform (1) and used for detecting the color difference of the paper, a prompter (4) connected to the base platform (1), and a control circuit (1000) for controlling the opening and closing of the prompter (4) according to a sensing signal of the color sensor (3).
2. The sheet color detection device of a printing press according to claim 1, wherein: the locking mechanism (2) comprises a limiting strip (21) connected to the base platform (1) and a plurality of locking pieces (23) which are connected to the limiting strip (21) in a sliding mode and abut against the top surface of the paper.
3. The sheet color detection device of a printing press according to claim 2, wherein: one side that locking piece (23) faced base station (1) is connected with infrared detector (27) that detect the paper position, and one side that locking piece (23) kept away from base station (1) is equipped with warning light (26) that the paper position does not give out the warning to the time.
4. the sheet color detection device of a printing press according to claim 3, wherein: the control circuit (1000) comprises:
the detection circuit (100) is coupled to the color sensor (3) and the infrared detector (27) to receive the sensing signal and send out a detection signal;
a comparison circuit (200) coupled to an output of the detection circuit (100) for receiving the detection signal and outputting a comparison signal;
And the execution circuit (300) is coupled with the comparison circuit (200) and controls the prompting device (4) and the prompting lamp (26) to be powered or not according to the comparison signal.
5. The sheet color detection device of a printing press according to claim 4, wherein: the comparison circuit (200) comprises,
a first comparing part (201) coupled to the detection circuit (100) for receiving the detection signal, comparing the detection signal with a first preset value and outputting a first control signal;
the second comparing part (202) is coupled to the detection circuit (100) for receiving the detection signal, comparing the detection signal with a second preset value and outputting a second control signal.
6. the sheet color detection device of a printing press according to claim 4, wherein: the execution circuit (300) comprises,
The first control part (301) is coupled to the first comparison part (201) to receive a first control signal, and when the sensing signal of the color sensor (3) is different from a first preset value, the first control part (301) enables the prompter (4) to be powered on and keeps a powered-on state;
And a second control part (302) which is coupled with the second comparison part (202) to receive a second control signal, and when the sensing signal of the infrared detector (27) is different from a second preset value, the second control part (302) enables the first control part (301) to be powered off and enables the prompting lamp (26) to be kept in a power-on state.
7. the sheet color detection device of a printing press according to claim 6, wherein: the first control unit (301) includes:
A fifth resistor (R5) having one end coupled to the first comparing portion (201);
A first triode (Q1), the emitter of which is grounded and the base of which is coupled with the other end of the fifth resistor (R5);
A sixth resistor (R6), one end of which is coupled to the connection point between the fifth resistor (R5) and the base of the first transistor (Q1), and the other end of which is coupled to the connection point between the first transistor (Q1) and ground;
A ninth resistor (R9) having one end coupled to the dc power and the other end coupled to the collector of the first transistor (Q1);
the first relay (KM 1) comprises a coil and a first normally open contact switch (KM 1-1), wherein one end of the coil is coupled to a connection point of a ninth resistor (R9) and direct current, the other end of the coil is coupled to a connection point of the ninth resistor (R9) and a first triode (Q1), and the first normally open contact switch (KM 1-1) is coupled with the prompter (4).
8. The sheet color detection device of a printing press according to claim 6, wherein: the second control part (302) comprises,
a seventh resistor (R7) coupled to the second comparing section (202);
A second transistor (Q2), the base of which is coupled to the seventh resistor (R7) and the emitter of which is grounded;
An eighth resistor (R8), one end of which is coupled to the connection point between the seventh resistor (R7) and the base of the second transistor (Q2), and the other end of which is coupled to the connection point between the second transistor (Q2) and ground;
The second relay (KM 2) comprises a first normally closed contact switch (KM 2-1), a coil and a second normally closed contact switch (KM 2-2), wherein one end of the coil is coupled to direct current, the other end of the coil is coupled to a collector of the second triode (Q2), the first normally closed contact switch (KM 2-1) is coupled with the prompting lamp (26), and the second normally closed contact switch (KM 2-2) is coupled between the first normally open switch and the prompter (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920298236.6U CN209738541U (en) | 2019-03-08 | 2019-03-08 | Paper color detection device of printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920298236.6U CN209738541U (en) | 2019-03-08 | 2019-03-08 | Paper color detection device of printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209738541U true CN209738541U (en) | 2019-12-06 |
Family
ID=68716239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920298236.6U Expired - Fee Related CN209738541U (en) | 2019-03-08 | 2019-03-08 | Paper color detection device of printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209738541U (en) |
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2019
- 2019-03-08 CN CN201920298236.6U patent/CN209738541U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 |