CN111546764B - Overheating self-power-off protection device for pyrograph machine - Google Patents
Overheating self-power-off protection device for pyrograph machine Download PDFInfo
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- CN111546764B CN111546764B CN202010420813.1A CN202010420813A CN111546764B CN 111546764 B CN111546764 B CN 111546764B CN 202010420813 A CN202010420813 A CN 202010420813A CN 111546764 B CN111546764 B CN 111546764B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F16/00—Transfer printing apparatus
- B41F16/0006—Transfer printing apparatus for printing from an inked or preprinted foil or band
- B41F16/0093—Attachments or auxiliary devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
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- Mechanical Engineering (AREA)
- Control Of Resistance Heating (AREA)
Abstract
The invention discloses an overheating self-power-off protection device for a pyrograph machine, which comprises a pressing plate and a heating plate fixedly connected with the pressing plate, wherein an anti-skidding groove is formed in the pressing plate, a drawing box is placed in the anti-skidding groove, a miniature lamp and a photoresistor are respectively installed on the inner top wall and the inner bottom wall of the drawing box, two sealing boxes are symmetrically fixed in the drawing box, a first transparent plate and a second transparent plate are connected between the two sealing boxes, the first transparent plate and the second transparent plate are both of a hollow structure, the middle part of the first transparent plate is communicated with the middle part of the second transparent plate through a transparent pipe, two sliding plugs are arranged in the second transparent plate in a sealing and sliding manner, and a partition plate is arranged in each sealing box. The invention has simple structure, and when the temperature of the heating plate exceeds the normal value, the resistance value of the photosensitive resistor changes to lead the heating plate to be powered off, thereby reducing the temperature of the heating plate in time and avoiding the damage of printing materials.
Description
Technical Field
The invention relates to the technical field of pyrograph machines, in particular to an overheating self-power-off protection device for a pyrograph machine.
Background
The pyrograph machine transfers a pattern to a fabric and other media by using high temperature, the control of the temperature is very important, if the temperature of the heating plate is too low, the pattern transfer fails or the transferred pattern is not clear, and if the temperature of the heating plate is too high, the printing stock is damaged and the thermoprint fails.
The temperature control of the heating plate of the existing pyrograph machine has two modes, one mode is electronic, the mode is selected through a control system, the other mode is mechanical, a worker manually adjusts through a knob, when the control system of the pyrograph machine breaks down or the worker sets the temperature mistakenly, when the temperature of the heating plate is far higher than a normal value during working, the damage of printing stocks can be avoided only by timely finding of the worker, the worker hardly keeps vigilance consciousness all the time and cannot adjust in time every time, so that the thermoprint failure is caused, even the printing stocks are damaged, and the overheat automatic power-off protection device for the pyrograph machine is provided for the reason.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, when the temperature of a heating plate of a pyrograph machine is too high, workers cannot find the heating plate in time easily, thermoprinting fails, and even printing stocks are damaged, and provides an overheating self-power-off protection device for the pyrograph machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
an overheating self-power-off protection device for a pyrograph machine comprises a pressing plate and a heating plate fixedly connected with the pressing plate, wherein an anti-skidding groove is formed in the pressing plate, a drawing box is placed in the anti-skidding groove, a miniature lamp and a photoresistor are respectively installed on the inner top wall and the inner bottom wall of the drawing box, two sealing boxes are symmetrically fixed in the drawing box, a first transparent plate and a second transparent plate are connected between the two sealing boxes, the first transparent plate and the second transparent plate are both of a hollow structure, the middle part of the first transparent plate is communicated with the middle part of the second transparent plate through a transparent tube, and two sliding plugs are arranged in the second transparent plate in a sealing sliding manner;
every all be equipped with the baffle in the seal box, and the space in the seal box that the baffle will correspond divide into seal area and lower seal area, every go up all sealed the slip in the seal area and be provided with first slide, and all be connected with the spring between every first slide and the inside wall of the seal box that corresponds, every all sealed the slip is provided with second slide and third slide, and every in the seal area down all sealed the slip be located one side that the second transparent plate was kept away from to the second slide, every the intercommunicating pore has all been seted up on the baffle, and all installs the pressure valve in two intercommunicating pores.
Preferably, the first transparent plate is communicated with the two upper sealing areas, the second transparent plate is communicated with the two lower sealing areas, dark gas is filled between each second sliding plate and the corresponding sliding plug, and evaporation liquid is filled between the second sliding plate and the third sliding plate in the same sealing box.
The invention has the beneficial effects that:
1. through setting up devices such as spacing ring, second slide, sliding plug, third slide, second transparent plate, can change the internal energy of evaporating liquid into the kinetic energy of sliding plug to make dark gas be full of the second transparent plate, cut off the light of miniature lamp, make the photo resistance be in the dark surrounds, change photo resistance's resistance value.
2. Through setting up devices such as first slide, intercommunicating pore, pressure valve, first transparent plate, can increase the pressure of the interior air of upper seal district with the help of the pressure when evaporating liquid initial evaporation, after this pressure value reached the threshold value of pressure valve, the pressure valve opened, and high-pressure gas pushed the third slide motion rapidly, shortened the time that dark gas filled in the third transparent plate.
3. When the temperature of hot plate surpassed normal range, this device can change the irradiant intensity that the photo resistance received automatically to make the electric current take place the sudden change in the return circuit, in time cut off the power supply to the hot plate, in order to avoid the hot plate to scald the fabric of treating the thermoprint.
Drawings
Fig. 1 is a schematic structural diagram of an overheat self-power-off protection device for a pyrograph machine according to the present invention;
fig. 2 is a schematic structural diagram of a sealing box portion in an overheat self-power-off protection device for a pyrograph machine according to the present invention.
In the figure: 1 pressing plate, 2 first sliding plates, 3 drawing boxes, 4 miniature lamps, 5 sealing boxes, 6 springs, 7 second sliding plates, 8 first transparent plates, 9 photoresistors, 10 second transparent plates, 11 third sliding plates, 12 heating plates, 13 air holes, 14 partition plates, 15 communicating holes, 16 limiting rings and 17 sliding plugs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, an overheat self-power-off protection device for a pyrograph machine comprises a pressing plate 1 and a heating plate 12 fixedly connected with the pressing plate 1, wherein an anti-skid groove is arranged in the pressing plate 1, a drawer 13 is arranged in the anti-skid groove, the drawer 13 can not fall off from the anti-skid groove in a natural state, the drawer 13 is convenient to take out by adopting a pull-out design, the internal device of the drawer 13 is convenient to overhaul or replace, a micro lamp 4 and a photosensitive resistor 9 are respectively arranged on the inner top wall and the inner bottom wall of the drawer 13, the micro lamp 4 and the photosensitive resistor 9 are positioned on the same vertical line, the photosensitive resistor 9 is electrically connected with the heating plate 12, two sealing boxes 5 are symmetrically fixed in the drawer 13, a first transparent plate 8 and a second transparent plate 10 are connected between the two sealing boxes 5, the first transparent plate 8 and the second transparent plate 10 are both in a hollow structure, and the middle part of the first transparent plate 8 is communicated with the middle part of the second transparent plate 10 through a transparent pipe, two sliding plugs 17 are arranged in the second transparent board 10 in a sealing and sliding manner, in an initial state, the sliding plugs 17 are positioned at two ends of the second transparent board 10, and air is stored in the first transparent board 8 and the second transparent board 10;
a partition plate 14 is arranged in each sealing box 5, the partition plate 14 divides the space in the corresponding sealing box 5 into an upper sealing area and a lower sealing area, the volume of the upper sealing area is smaller than that of the lower sealing area, a first sliding plate 2 is arranged in each upper sealing area in a sealing sliding manner, a spring 6 is connected between each first sliding plate 2 and the inner side wall of the corresponding sealing box 5, an air hole 13 is arranged on the side wall of each sealing box 5, the air hole 13 is positioned in the upper sealing area and close to the spring 6, the air hole 13 is used for exchanging air between the upper sealing area and the air outside the sealing box 5, a second sliding plate 7 and a third sliding plate 11 are arranged in each lower sealing area in a sealing sliding manner, each third sliding plate 11 is positioned on one side of the second sliding plate 7 far away from the second transparent plate 10, a limiting ring 16 used for limiting the movement of the third sliding plate 11 is fixedly arranged in each sealing box 5, and a communicating hole 15 is arranged on each partition plate 14, and pressure valves are installed in both the two communication holes 15.
In the invention, the first transparent plate 8 is communicated with the two upper sealing areas, the second transparent plate 10 is communicated with the two lower sealing areas, dark gas is filled between each second sliding plate 7 and the corresponding sliding plug 7, evaporation liquid is filled between the second sliding plate 7 and the third sliding plate 11 in the same sealing box 5, the boiling point of the evaporation liquid is more than 140 ℃, such as cyclohexanone solution and the like.
When the invention is used, under the room temperature environment, the sliding plugs 17 are positioned at the two ends of the second transparent plate 10, when the control system of the pyrograph machine breaks down or the setting of a worker is wrong, the temperature of the heating plate 12 in the working process is far higher than the normal value (the normal value refers to the temperature of the heating plate 12 when the pyrograph machine transfers common fabrics, and is approximately in the range of 110-130 ℃), the heat at the heating plate 12 is uninterruptedly transferred into the pressure plate 1, the temperature of the sealing box 5 positioned in the pressure plate 1 is rapidly increased, and the evaporating liquid between the second sliding plate 7 and the third sliding plate 11 is heated and evaporated;
when the evaporated liquid is heated and quickly evaporated, the second sliding plate 7 and the third sliding plate 11 are subjected to two forces in opposite directions to push the second sliding plate 7 and the third sliding plate 11 to move away from each other, as shown in fig. 2, because the third sliding plate 11 is limited by the limiting ring 16, only the second sliding plate 7 slides rightwards;
dark gas is filled between the second sliding plate 7 and the sliding plug 17, when the second sliding plate 7 slides rightwards, the dark gas is squeezed into the second transparent plate 10, the color of the second transparent plate 10 is deepened, and therefore light emitted by the miniature lamp 4 is prevented from transmitting downwards, because the photoresistor 9 is positioned right below the miniature lamp 4, and the cross-sectional area of the photoresistor 9 is smaller than the direct irradiation area of the miniature lamp 4, when the sliding plug 17 just moves, the dark gas cannot influence the light intensity received by the photoresistor 9;
under the room temperature environment, the positions of the first sliding plate 2 and the communication hole 15 are as shown in fig. 2, when the drawer 3 is heated, the air volume in the first transparent plate 8, the second transparent plate 10 and the upper sealing area is increased, so that the first sliding plate 2 is pushed to move leftwards until the first sliding plate 2 passes through the communication hole 15, the air on the left side of the first sliding plate 2 is discharged to the outside of the drawer 3 or the sealed box 5 through the air hole, a pressure valve is installed in the communication hole 15, and the air expanded by heating generates a certain pressure on the pressure valve;
when the evaporation liquid continues to evaporate, when the sliding plug 17 approaches the miniature lamp 4, the pressure of the air on the pressure valve reaches a threshold value, the pressure valve is opened, a large amount of air rapidly enters the lower sealing area through the communication hole 15, so that impact force is generated on the third sliding plate 11 to push the third sliding plate 11 to rapidly move rightwards, the two sliding plugs 17 are abutted, the second transparent plate 10 is instantly filled with dark gas to isolate the propagation of light, the resistance value of the photosensitive resistor 9 when receiving illumination is small and can be ignored, when the photosensitive resistor 9 is placed in a dark environment, the resistance value is large and can be regarded as a circuit breaking element, the photosensitive resistor 9 is electrically connected with the heating plate 12, the connection mode between the two is series connection, the heating plate 12 can be immediately powered off, and the fabric to be thermoprinted is prevented from being damaged by high temperature.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. An overheating self-power-off protection device for a pyrograph machine comprises a pressing plate (1) and a heating plate (12) fixedly connected with the pressing plate (1), it is characterized in that an anti-skid groove is arranged in the pressing plate (1), a drawer box (3) is arranged in the anti-skid groove, the inner top wall and the inner bottom wall of the drawer box (3) are respectively provided with a micro lamp (4) and a photoresistor (9), two sealing boxes (5) are symmetrically fixed in the drawing box (3), a first transparent plate (8) and a second transparent plate (10) are connected between the two sealing boxes (5), the first transparent plate (8) and the second transparent plate (10) are both hollow structures, and the middle part of the first transparent plate (8) is communicated with the middle part of the second transparent plate (10) through a transparent pipe, two sliding plugs (17) are arranged in the second transparent plate (10) in a sealing and sliding manner;
a partition plate (14) is arranged in each sealing box (5), the space in the corresponding sealing box (5) is divided into an upper sealing area and a lower sealing area by the partition plate (14), a first sliding plate (2) is arranged in each upper sealing area in a sealing and sliding manner, a spring (6) is connected between each first sliding plate (2) and the inner side wall of the corresponding sealing box (5), a second sliding plate (7) and a third sliding plate (11) are arranged in each lower sealing area in a sealing and sliding manner, each third sliding plate (11) is positioned on one side, away from the second transparent plate (10), of the second sliding plate (7), a communicating hole (15) is formed in each partition plate (14), and a pressure valve is arranged in each communicating hole (15);
the first transparent plate (8) is communicated with the two upper sealing areas, the second transparent plates (10) are communicated with the two lower sealing areas, dark gas is filled between each second sliding plate (7) and the corresponding sliding plug (17), and evaporation liquid is filled between the second sliding plate (7) and the third sliding plate (11) in the same sealing box (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010420813.1A CN111546764B (en) | 2020-05-18 | 2020-05-18 | Overheating self-power-off protection device for pyrograph machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010420813.1A CN111546764B (en) | 2020-05-18 | 2020-05-18 | Overheating self-power-off protection device for pyrograph machine |
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| CN111546764A CN111546764A (en) | 2020-08-18 |
| CN111546764B true CN111546764B (en) | 2022-07-15 |
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| CN202010420813.1A Active CN111546764B (en) | 2020-05-18 | 2020-05-18 | Overheating self-power-off protection device for pyrograph machine |
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| CN111942007A (en) * | 2020-08-24 | 2020-11-17 | 余秀朵 | Working method of self-cooling equipment for continuous pyrography |
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| CN2892414Y (en) * | 2005-12-20 | 2007-04-25 | 周志贤 | Power-off protector for slicer cutter head |
| CN103085454A (en) * | 2012-12-10 | 2013-05-08 | 苏州一致电子制程有限公司 | Safety grating suitable for thermal transfer printer |
| CN203071010U (en) * | 2013-02-05 | 2013-07-17 | 扬州宝珠电器有限公司 | Automatic calibration type overheating and overcurrent power-off protection device |
| CN204597155U (en) * | 2015-04-12 | 2015-08-26 | 张威威 | A kind of overheated power-off protection plug |
| CN108091531A (en) * | 2018-01-22 | 2018-05-29 | 东莞市阿甘半导体有限公司 | Gas-discharge tube and overvoltage protection |
| CN108909166A (en) * | 2018-06-12 | 2018-11-30 | 湖州市菱湖重兆金辉丝织厂 | A kind of fabrics printing and dyeing equipment |
| CN109624496A (en) * | 2019-01-25 | 2019-04-16 | 上海易可文化发展股份有限公司 | A kind of Multifunctional bronzing machine with time-temperature control system |
| CN208908204U (en) * | 2018-11-30 | 2019-05-28 | 深圳市迈扎克智能科技有限公司 | A kind of overheat overcurrent power-off protection device |
| CN110828251A (en) * | 2019-11-20 | 2020-02-21 | 曲相霖 | Overcurrent protection treatment equipment |
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2020
- 2020-05-18 CN CN202010420813.1A patent/CN111546764B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4147105A (en) * | 1976-05-08 | 1979-04-03 | Heidelberger Druckmaschinen Ag | Protective device for a perfector printing press |
| CN2892414Y (en) * | 2005-12-20 | 2007-04-25 | 周志贤 | Power-off protector for slicer cutter head |
| CN103085454A (en) * | 2012-12-10 | 2013-05-08 | 苏州一致电子制程有限公司 | Safety grating suitable for thermal transfer printer |
| CN203071010U (en) * | 2013-02-05 | 2013-07-17 | 扬州宝珠电器有限公司 | Automatic calibration type overheating and overcurrent power-off protection device |
| CN204597155U (en) * | 2015-04-12 | 2015-08-26 | 张威威 | A kind of overheated power-off protection plug |
| CN108091531A (en) * | 2018-01-22 | 2018-05-29 | 东莞市阿甘半导体有限公司 | Gas-discharge tube and overvoltage protection |
| CN108909166A (en) * | 2018-06-12 | 2018-11-30 | 湖州市菱湖重兆金辉丝织厂 | A kind of fabrics printing and dyeing equipment |
| CN208908204U (en) * | 2018-11-30 | 2019-05-28 | 深圳市迈扎克智能科技有限公司 | A kind of overheat overcurrent power-off protection device |
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| CN110828251A (en) * | 2019-11-20 | 2020-02-21 | 曲相霖 | Overcurrent protection treatment equipment |
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| CN111546764A (en) | 2020-08-18 |
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Effective date of registration: 20221226 Address after: No. 6, Zhixing Road, Liangshan Economic Development Zone, Jining, Shandong 272600 Patentee after: Shandong Xinwei Printing Co.,Ltd. Address before: 311200 room 2017, block C, water affairs building, No. 1098, Jincheng Road, Beigan street, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: Li Congyong |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An overheated self-power-off protection device for ironing machine Effective date of registration: 20230117 Granted publication date: 20220715 Pledgee: Shandong Liangshan Rural Commercial Bank Co.,Ltd. Pledgor: Shandong Xinwei Printing Co.,Ltd. Registration number: Y2023980031440 |