CN209794883U - Ink alarm device of lithographic printing machine - Google Patents
Ink alarm device of lithographic printing machine Download PDFInfo
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- CN209794883U CN209794883U CN201920061505.7U CN201920061505U CN209794883U CN 209794883 U CN209794883 U CN 209794883U CN 201920061505 U CN201920061505 U CN 201920061505U CN 209794883 U CN209794883 U CN 209794883U
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- ink
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- liquid level
- lithographic printing
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Abstract
The utility model provides a lithographic printing machine printing ink alarm device relates to printing technical field, has solved lithographic printing machine non-printing ink alarming function's technical problem. The device comprises a liquid level conducting piece, an intermediate relay and an audible and visual alarm; the liquid level conducting pieces are the same as the ink tanks of the offset printing machine in number; the intermediate relay is connected with the liquid level conducting piece in series through a conducting wire, the intermediate relay is connected with the audible and visual alarm in series through the conducting wire, the audible and visual alarm is connected with a power supply in series through the conducting wire, and the power supply is connected with the liquid level conducting piece in series to form an alarm circuit; the liquid level conducting piece is arranged in the ink tank and can enable the contact of the intermediate relay to be connected and communicated with the alarm circuit according to the ink liquid level of the ink tank; and after the alarm circuit is communicated, the audible and visual alarm starts to alarm. The utility model discloses be convenient for in time discover lithographic printing machine printing ink volume too little condition, guaranteed printing quality.
Description
Technical Field
The utility model belongs to the technical field of the printing technique and specifically relates to a lithographic printing machine printing ink alarm device is related to.
Background
The image and text portions and the blank portions of the surface of the plate of the lithographic printing machine are almost on the same plane. It uses the principle of water and oil repelling to make the image-text portion water-resisting and oleophilic, and the blank portion oil-resisting and hydrophilic but not staining ink, and under the action of pressure the ink of inking portion can be transferred to the surface of printed matter so as to implement printing process. In the printing process, the control of the ink is an indispensable link for obtaining high-quality printed matters, if the ink in the ink box is too little in the printing process, the ink is cut off, the quality of the printed matters is influenced, and a series of preparation work performed by restarting the machine also wastes time, ink, paper and the like, so that the monitoring of the minimum amount of the ink is necessary.
The applicant has found that the prior art has at least the following technical problems:
The existing lithographic printing machine has no ink alarm function, and if an operator does not find that the amount of ink in an ink tank is too small in time, the printing defect can result in scrapping the product.
Disclosure of Invention
An object of the utility model is to provide a lithographic printing machine printing ink alarm device to solve the lithographic printing machine who exists among the prior art and do not have printing ink alarming function, lead to the technical problem of printing defect scrapped product easily. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
The utility model provides a lithographic printing machine printing ink alarm device, which is characterized in that the device comprises a liquid level conduction piece, an intermediate relay and an audible and visual alarm; the liquid level conducting pieces are the same as the ink tanks of the offset printing machine in number; the intermediate relay is connected with the liquid level conducting piece in series through a conducting wire, the intermediate relay is connected with the audible and visual alarm in series through the conducting wire, the audible and visual alarm is connected with a power supply in series through the conducting wire, and the power supply is connected with the liquid level conducting piece in series to form an alarm circuit; the liquid level conducting piece is arranged in the ink tank and can enable the contact of the intermediate relay to be connected and communicated with the alarm circuit according to the ink liquid level of the ink tank; and after the alarm circuit is communicated, the audible and visual alarm starts to alarm.
Optionally, the gutter is an open gutter.
Optionally, the inside of the ink tank is provided with a scale.
Optionally, the number of the liquid level conducting pieces is 4.
Optionally, the liquid level conducting pieces are connected in parallel with each other.
Optionally, the liquid level conducting piece is an optoelectronic liquid level sensor.
Optionally, the intermediate relay is an electromagnetic relay.
optionally, the shell of the audible and visual alarm is made of transparent plastic.
optionally, the audible and visual alarm is in red.
Optionally, the operating sound level of the audible and visual alarm is 80 dB.
Any technical scheme can at least produce the following technical effects:
The utility model discloses be convenient for operating personnel in time discover the condition that the ink volume is too little in the china ink groove to in time add printing ink, ensure to continuously print high quality printed matter.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a lithographic printing press ink warning device.
FIG. 10 shows an ink tank; 11. calibration; 20. a liquid level conducting member; 30 intermediate relays; 40. An audible and visual alarm; 50. a switch; 60. and (4) conducting wires.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a lithographic printing machine printing ink alarm device, as shown in figure 1, including liquid level switch-on piece 20, auxiliary relay 30 and audible-visual annunciator 40. The liquid level conducting pieces 20 are the same as the ink tanks 10 of the offset printing machine in number, the offset printing machine is divided into single color and multiple color, the offset printing machine with multiple colors needs different ink tanks to add ink with different colors, therefore, in order to ensure that the ink amount in each ink tank 10 is alarmed, the liquid level conducting pieces 20 need to be the same as the ink tanks 10 in number, and the liquid level conducting pieces 20 are connected in parallel. The intermediate relay 30 is connected with the liquid level conducting piece 20 in series through a lead 60, the intermediate relay 30 is connected with the audible and visual alarm 40 in series through the lead 60, the audible and visual alarm 40 is connected with the power supply in series through the lead, the power supply is connected with the liquid level conducting piece 20 in series to form an alarm circuit, and the power supply can be an alternating current power supply or a direct current power supply. Preferably, a switch 50 may be provided in the alarm circuit, the switch 50 being closed at all times, but the switch 50 may be opened for service when the alarm circuit sends a fault. The liquid level conducting piece 20 is installed in the ink tank 10, and is preferably fixed on the side wall of the ink tank 10 through bonding, the liquid level conducting piece 20 can enable the contact of the intermediate relay 30 to be connected and communicate with the alarm circuit according to the ink liquid level of the ink tank 10, when the ink amount of the ink tank 10 is higher than a certain liquid level, namely, the alarm circuit does not work when the ink is not lacked, when the ink amount of one ink tank 10 is lower than a certain value, the liquid level conducting piece 20 enables the contact of the intermediate relay 30 to be connected, and the alarm circuit is communicated. After the alarm circuit communicates, because audible-visual alarm 40 establishes ties in the circuit, consequently begin to send out sound and light and report to the police, the operating personnel of being convenient for in time discovers the condition that the ink volume is too little in the china ink groove, in time adds printing ink, reports to the police through the printing ink volume to lithographic machine, has avoided lacking the china ink and has leaded to printing quality to receive the influence.
As an alternative embodiment, the ink tank 10 is an open ink tank, which facilitates the installation and fixation of the liquid level conducting member 20, and also facilitates the liquid level conducting member 20 to appropriately adjust the detection height of the ink liquid level as required. The inner side of the ink tank 10 is provided with a scale 11, and the scale 11 is used as a reference, so that the height of the liquid level conducting piece 20 can be conveniently adjusted, and the operation accuracy is improved.
As an alternative embodiment, the number of the liquid level conducting members is 4, and the main stream of the lithographic printing machine is a 4-color lithographic printing machine, so that the number of the ink tanks is also 4, and 4 liquid level conducting members are correspondingly arranged. 4 liquid level switch on between 20 parallelly connected each other, can realize when the printing ink volume of 1 china ink groove is not enough, switch on 20 intercommunication warning circuit realization warning through the liquid level in this china ink groove. Further, it is observed that the ink tank 10 is not sufficiently filled with ink, and the ink supply operation is performed. The liquid level conducting part 20 is preferably a photoelectric liquid level sensor, the photoelectric liquid level sensor is a contact point liquid level measuring and controlling device, when the printing ink does not immerse a lens of the photoelectric liquid level sensor, a receiver of the photoelectric liquid level sensor receives light, and then an internal electric switch can be driven, so that the contact of the intermediate relay 30 is connected and is communicated to a warning circuit. The photoelectric liquid level sensor has the characteristics of simple structure, easiness in use and lower cost.
In an alternative embodiment, the intermediate relay 30 is an electromagnetic relay, which is an "automatic switch" that uses a small current and a low voltage to control a large current and a high voltage, when an excitation amount applied to a coil of the electromagnetic relay is equal to or greater than an actuation value thereof, an armature is attracted to the electromagnet, and the armature presses a contact spring to make a contact connect a communication circuit, so that the liquid level conducting member 20 starts the intermediate relay 30 to connect the alarm circuit through the small current. The shell of the audible and visual alarm 40 is made of transparent plastic, and the transparent plastic is convenient for observing light rays emitted by the audible and visual alarm 40, so that the light rays are reminded. The audible and visual alarm 40 is red in working color, and red is a warning color and can better play a role in reminding. The working sound level of the audible and visual alarm 40 is 80dB, the noise of the lithographic printing machine during working is high, the sound level is set to be 80dB, the audible alarm of the audible and visual alarm 40 can be heard in time conveniently, and ink can be added in time.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A lithographic printing machine ink alarm device is characterized by comprising a liquid level conducting piece, an intermediate relay and an acousto-optic alarm; the liquid level conducting pieces are the same as the ink tanks of the offset printing machine in number; the intermediate relay is connected with the liquid level conducting piece in series through a conducting wire, the intermediate relay is connected with the audible and visual alarm in series through the conducting wire, the audible and visual alarm is connected with a power supply in series through the conducting wire, and the power supply is connected with the liquid level conducting piece in series to form an alarm circuit; the liquid level conducting piece is arranged in the ink tank and can enable the contact of the intermediate relay to be connected and communicated with the alarm circuit according to the ink liquid level of the ink tank; and after the alarm circuit is communicated, the audible and visual alarm starts to alarm.
2. The lithographic printing press ink alarm apparatus of claim 1, wherein the gutter is an open gutter.
3. The lithographic printing press ink warning device of claim 2, wherein the inside of the gutter is provided with a scale.
4. The lithographic printing press ink alarm apparatus of claim 1, wherein the number of level conducting members is 4.
5. the ink alarm device of a lithographic printing press according to claim 3, wherein said liquid level conducting members are connected in parallel with each other.
6. The lithographic printing press ink warning apparatus of claim 4, wherein the level conducting member is an electro-optical level sensor.
7. The lithographic printing press ink alarm apparatus of claim 1, wherein the intermediate relay is an electromagnetic relay.
8. The ink alarm device of a lithographic printing press according to claim 7, wherein the housing of the audible and visual alarm is made of transparent plastic.
9. The lithographic printing press ink alarm apparatus of claim 8, wherein the audible and visual alarm is in a red color.
10. The lithographic printing press ink alarm apparatus of claim 9, wherein the operating sound level of the audible and visual alarm is 80 dB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920061505.7U CN209794883U (en) | 2019-01-14 | 2019-01-14 | Ink alarm device of lithographic printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920061505.7U CN209794883U (en) | 2019-01-14 | 2019-01-14 | Ink alarm device of lithographic printing machine |
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| Publication Number | Publication Date |
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| CN209794883U true CN209794883U (en) | 2019-12-17 |
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| CN201920061505.7U Active CN209794883U (en) | 2019-01-14 | 2019-01-14 | Ink alarm device of lithographic printing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391505A (en) * | 2020-04-22 | 2020-07-10 | 张承志 | Non-contact liquid level control ink-jet printing device |
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2019
- 2019-01-14 CN CN201920061505.7U patent/CN209794883U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391505A (en) * | 2020-04-22 | 2020-07-10 | 张承志 | Non-contact liquid level control ink-jet printing device |
| CN111391505B (en) * | 2020-04-22 | 2021-07-06 | 张承志 | Non-contact liquid level control ink-jet printing device |
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Address after: 210000 Jiangsu Province, Nanjing city Lishui District Science and Technology Industrial Park Shi Jiu Zhen Airport Patentee after: Anbao environmental protection technology (Nanjing) Co., Ltd Address before: 210000 Jiangsu Province, Nanjing city Lishui District Science and Technology Industrial Park Shi Jiu Zhen Airport Patentee before: NANJING ANBAO PAPER PRODUCTS Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |