CN113232409A - Double-scraping method and double-scraper mechanism of photovoltaic solar printer - Google Patents
Double-scraping method and double-scraper mechanism of photovoltaic solar printer Download PDFInfo
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- CN113232409A CN113232409A CN202110245322.2A CN202110245322A CN113232409A CN 113232409 A CN113232409 A CN 113232409A CN 202110245322 A CN202110245322 A CN 202110245322A CN 113232409 A CN113232409 A CN 113232409A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims description 10
- 238000007790 scraping Methods 0.000 title claims description 7
- 238000007639 printing Methods 0.000 claims abstract description 96
- 230000001133 acceleration Effects 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 17
- 238000010009 beating Methods 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000000976 ink Substances 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000007650 screen-printing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 238000012827 research and development Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/44—Squeegees or doctors
- B41F15/46—Squeegees or doctors with two or more operative parts
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/16—Programming systems for automatic control of sequence of operations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a double-scraper mechanism of a photovoltaic solar printer, which is characterized by comprising the following components: support, first scraper portion, second scraper portion set up respectively the relative both sides of support, control platform is fixed in the support top. First scraper portion acts on the silk screen with second scraper portion in turn, has a scraper portion work in the journey of going and returning all, realizes twice printing in the monocycle, has improved work efficiency, has saved the time that the ink return sword returned the china ink alone, has shortened single cycle time and has improved the output of printing machine, has reduced scraper printing actuating mechanism number of times and has prolonged equipment life. Thereby reducing the cost of the battery piece.
Description
Technical Field
The invention relates to the technical field of photovoltaic solar printers, in particular to a double-scraping method and a double-scraper mechanism of a photovoltaic solar printer.
Background
Since the advent of solar cells, the use of materials, the continuing advances in technology, and the mature growth of the manufacturing industry have driven the price of photovoltaic systems to become cheaper. Moreover, many countries invest a lot of research and development expenses to promote the photovoltaic conversion efficiency and give financial subsidies to manufacturing enterprises. More importantly, the wide application of photovoltaic in various countries is greatly promoted by policies such as online electricity price subsidy policy and renewable energy ratio standard. The printer is a key device of a solar cell production process, wherein grid line printing of the cell is a core process of the device, the solar cell has higher requirements on printing precision and intellectualization through years of development, the device utilization rate and the productivity tend to be improved day by day, and the cell manufacturing cost is reduced.
The screen printing principle of the solar cell is that the basic principle that the image-text part of meshes of a screen printing plate are ink-permeable and the non-image-text part of meshes are ink-impermeable is utilized to perform printing. When printing, ink is poured into one end of the screen printing plate, a scraper is used for applying a certain pressure on the ink part on the screen printing plate, and meanwhile, the scraper moves towards the other end of the screen printing plate. The ink is extruded from the meshes of the image-text part to a printing stock by a scraper in the moving process to form a printing pattern, namely a battery grid line.
At present, most photovoltaic solar printers adopt a single scraper and an ink return knife mode, the scraper prints, the ink return knife returns ink (the ink return of the past paste scraped by the scraper during printing is uniform), the efficiency is low, and the manufacturing cost of photovoltaic solar silicon wafers is high.
Disclosure of Invention
The invention aims to provide a double-scraping method and a double-scraper mechanism of a photovoltaic solar printer, so as to solve the problems in the background technology.
In order to achieve the above object, the present invention provides the following technical solution, a double scraper mechanism of a photovoltaic solar printer, comprising:
a support;
the scraper part and the second scraper part are respectively arranged on two opposite sides of the bracket;
and the control platform is fixed above the bracket.
Preferably, the first scraper part and the second scraper part are of symmetrical structures and are distributed on the left side and the right side of the support;
the first scraper part comprises a servo lifting control assembly, a pressure sensor, a printing scraper, a bolt, a scraper and a scraper connecting piece;
the servo lifting control assembly is fixed on the upper side of the control platform, the servo lifting control assembly is located on the left side of the control platform, the output end of the servo lifting control assembly penetrates through the control platform and is located on the left side of the support, the output end of the servo lifting control assembly is connected with the scraper connecting piece, the scraper balancing seat passes through the bolt and is connected with the scraper connecting piece, the printing scraper is fixed on the scraper balancing seat, two ends of the printing scraper are provided with the scraper, and the scraper is fixed on the scraper connecting piece.
Preferably, the first scraper part further comprises a balance adjusting component, the balance adjusting component is positioned above the printing scraper, the balance adjusting component is respectively connected with the upper surfaces of two ends of the printing scraper, and the other end of the balance adjusting component is fixed with the scraper connecting piece;
the first scraper part further comprises a constant force buffer assembly, the output end of the servo lifting control assembly is fixed with the upper end of the constant force buffer assembly, the lower end of the constant force buffer assembly is provided with the pressure sensor, the lower end of the constant force buffer assembly is fixed with the scraper connecting piece, and the pressure sensor is positioned between the lower end of the constant force buffer assembly and the scraper connecting piece;
the first scraper part further comprises a limit and origin inductor, and the limit and origin inductor is fixed on the support.
Preferably, the servo lift control assembly includes: the device comprises a servo motor, a coupler, a roller screw, a linear guide rail and a cover plate;
the servo motor is fixed in the control platform, the output end of the servo motor is connected with one end of the roller screw through the coupler, the roller screw is in threaded connection with a cover plate, the cover plate is fixed with the scraper connecting piece, and the cover plate can slide up and down along the linear guide rail.
Preferably, the scraper moving device is further included, and the scraper moving device includes: the linear motor limit sensor comprises a shell, a base, a linear motor stator, a linear guide rail, a linear motor rotor, a drag chain and a linear motor limit sensor;
the casing with the support is fixed, just the casing sets up on linear guide, linear guide is fixed in the base, the linear electric motor active cell is fixed in chassis bottom, the linear electric motor stator is fixed in base upper portion, the linear electric motor stator with the linear electric motor active cell is connected, the tow chain both ends connect in casing and base, the base still is provided with linear electric motor limit inductor, is responsible for the response the position of casing.
Preferably, still be provided with the warning box on the casing, be provided with the alarm bell device in the warning box, the alarm bell device includes:
the device comprises a first connecting rod, a first rotating shaft, a worm wheel, a worm, a first motor, a third connecting rod, a motor supporting block, a second supporting rod, a third rotating shaft, a fourth rotating shaft, a second connecting rod, a horizontal fixing rod, a third supporting rod, a first supporting rod, a spring, a knocking block, a hitting bowl, a first fixing base and a second rotating shaft;
the fixing base is fixed on the lower surface of the warning box, the motor supporting block is fixed on the upper surface of the fixing base, the first motor is fixed on the motor supporting block, a worm is fixed at the output end of the first motor, two ends of the worm are respectively limited and supported by the middle sections of the first supporting rod and the second supporting rod, and the worm is meshed with the worm wheel;
the utility model discloses a horizontal fixing pole, including unable adjustment base, fixed base, second bracing piece, third bracing piece, worm wheel, third pivot, third bracing piece, the unable adjustment base upper surface exists the third bracing piece, the upper end of second bracing piece, third bracing piece is fixed in respectively horizontal fixing pole middle section both sides, the worm wheel passes through first pivot install in horizontal fixing pole one end, just the head rod pass through first pivot with the worm wheel is fixed, the head rod pass through first pivot with the second connecting rod is articulated, the second connecting rod passes through the third pivot with the third connecting rod is articulated, third connecting rod middle part is passed through the fourth pivot with the horizontal fixing pole other end is articulated, the third connecting rod end is fixed in spring one end, the spring other end with it is fixed to beat the piece, it surrounds to beat the bowl beat the piece.
Preferably, still be provided with in the warning box and hit and beat bowl mobile device for change alarm bell tone quality, hit and beat bowl mobile device and include:
the device comprises a second motor, a second fixed base, a second motor output shaft, a limiting box, a limiting block, an upper thrust bearing, a lower thrust bearing, a lead screw, a moving piece and a sliding chute;
the second fixing base is fixed on the lower surface of the warning box, the second fixing base is in a triangular shape, the second motor is fixed at the lower end of the inclined plane of the second fixing base, the output shaft of the second motor is connected with the lead screw, the position of the lead screw, which is close to the connection position of the output shaft of the second motor and the lead screw, is fixed with the limiting block, the limiting box is arranged on the second fixing base, the limiting block is positioned in the limiting box, both ends of the lead screw penetrate through the limiting box, the upper thrust bearing and the lower thrust bearing are arranged between the limiting block and the limiting box, and the upper thrust bearing and the lower thrust bearing are symmetrical about the limiting block;
the inner thread of the moving piece is sleeved on the thread of the screw rod, the moving piece slides in the sliding groove formed in the inclined surface of the second fixing base, and the beating bowl is fixed on the inclined upper side of the moving piece.
Preferably, the bolt use state detection device further includes:
the temperature sensor is arranged on the bolt and used for detecting the temperature of the bolt when the printing scraper works;
the humidity sensor is arranged on the bolt and used for detecting the absolute humidity of the environment around the bolt;
the acceleration sensor is arranged on the bolt and used for detecting the speed of the printing scraper during working;
the force sensor A is arranged between a nut of the bolt and a contact surface of the printing scraper and is used for detecting a sudden change value of the horizontal pressure of the printing scraper during working;
the force sensor B is arranged between the thread of the bolt and the contact surface of the printing scraper and is used for detecting the sudden change value of the vertical pressure of the printing scraper during working;
the timer is arranged on the bolt and used for recording the working time of the printing scraper;
the alarm is positioned on the control platform;
a controller, the controller respectively with temperature sensor, humidity transducer, acceleration sensor, force transducer A, force transducer B, time-recorder and alarm electric connection, the controller is based on temperature sensor, humidity transducer, acceleration sensor, force transducer A, force transducer B, time-recorder control alarm work includes:
step 1: the controller obtains the oxidation degree of the bolt based on a temperature sensor, a humidity sensor, a timer and a formula (1):
n the oxidation degree of the bolt, H is the oxygen proportion in the air, V is the volume of the bolt, T is the time recorded by the timer when the printing scraper works, T is the temperature of the bolt when the printing scraper works and detected by the temperature sensor, R is the absolute humidity of the environment around the bolt and detected by the humidity sensor, G is the weight of the bolt, T is the oxygen proportion in the air, and0is a unit time;
step 2: the controller calculates the bolt use state based on the acceleration sensor, the force sensor A, the force sensor B, and formula (2):
wherein, χ the bolt use state, F1Sudden change in the horizontal pressure of the printing blade during operation, detected for the force sensor AValue, F2The value of the change of the vertical pressure of the printing scraper during working, which is detected by the force sensor B, a is the acceleration of the printing scraper during working, which is detected by the acceleration sensor, and m is the weight of the printing scraper;
and when the service state of the bolt exceeds a preset reference value range, the controller controls an alarm to give an alarm.
A double scraping method used by a double scraper mechanism comprises the following steps:
step 1: fixing the double scraper mechanism on a driving device of the photovoltaic solar printer through a bracket of the double scraper mechanism;
step 2: initializing a double-scraper mechanism, and enabling a first scraper part and a second scraper part to recover to initial positions;
and step 3: when the double-scraper mechanism is moved above the screen by the driving device of the photovoltaic solar printer, the first scraper part is lowered to be in contact with the screen, the second scraper part is lifted, the double-scraper mechanism is moved from the position A to the position B by the driving device of the photovoltaic solar printer, namely, the first scraper part is used for printing, the first scraper part is lifted, the second scraper part is lowered to be in contact with the screen, and the double-scraper mechanism is moved from the position B to the position A by the driving device of the photovoltaic solar printer, namely, the second scraper part is used for printing;
and 4, step 4: and when the double scraper mechanism returns to the initial position, the steps are continuously repeated until the photovoltaic solar panel is processed.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of a first blade portion of the present invention;
FIG. 3 is a schematic view of the position of the blade portion of the present invention;
FIG. 4 is a schematic view of the scraper movement driving device according to the present invention;
FIG. 5 is a schematic view of the installation position of the warning box according to the present invention;
FIG. 6 is a schematic view of the internal structure of the warning box of the present invention;
FIG. 7 is a schematic structural view of a striking bowl moving device according to the present invention;
fig. 8 is an enlarged view of the structure at a in the present invention.
In the figure: 1. a first scraper portion; 101. a servo lift control assembly; 1011. a servo motor; 1012. a coupling; 1013. a roller screw; 1014. a linear guide rail; 1105. a cover plate; 102. a constant force buffer assembly; 103. a pressure sensor; 104. a balance adjustment assembly; 105. printing a scraper; 106. a bolt; 107. a squeegee; 108. a scraper connecting piece; 109. a scraper balance seat; 110. a limit and origin sensor; 2. a second scraper portion; 3. a support; 4. a control platform; 5. a housing; 6. a base; 7. a linear motor stator; 8. a linear guide rail; 9. a linear motor mover; 10. a drag chain; 11. a linear motor limit sensor; 12. a warning box; 13. a first connecting rod 14, a first rotating shaft 15 and a worm wheel; 16. a worm; 17. a first motor; 18. a third connecting rod; 19. a motor support block; 20. a second support bar; 21. a third rotating shaft; 22. a fourth rotating shaft; 23. a second connecting rod; 24. a horizontal fixing rod; 25. a third support bar; 26. a first support bar; 27. a spring; 28. knocking the block; 29. beating a bowl; 30. a first stationary base; 31. a second rotating shaft; 32. a second motor; 33. a second stationary base; 34. a second motor output shaft; 35. a limiting box; 36. a limiting block; 37. an upper thrust bearing; 38. a lower thrust bearing; 39. a lead screw; 40. a moving member; 41. a chute.
Detailed Description
The description of the present invention as to "first", "second", etc. is for descriptive purposes only, and not for purposes of particular ordinal or sequential meaning, nor for limitations, and is intended to identify components or operations described in the same technical language, but is intended to be construed as indicating or implying any relative importance or implicit identification of any number of technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
Example 1
Referring to fig. 1 and 3, an embodiment of the present invention is shown: the utility model provides a photovoltaic solar energy printing machine's two scraper mechanisms which characterized in that includes:
a bracket 3;
the scraper structure comprises a first scraper part 1 and a second scraper part 2, wherein the scraper part 1 and the second scraper part 2 are respectively arranged at two opposite sides of a support 3;
and the control platform 4 is fixed above the bracket 3.
Preferably, the double-scraping method used by the double-scraper mechanism comprises the following steps:
step 1: the double scraper mechanism is fixed on a driving device of the photovoltaic solar printer through a bracket 3 of the double scraper mechanism;
step 2: initializing a double-scraper mechanism, and restoring the initial positions of the first scraper part 1 and the second scraper part 2;
and step 3: when the double-scraper mechanism is moved above a screen by a driving device of a photovoltaic solar printer, the first scraper part 1 is lowered to be in contact with the screen, the second scraper part 2 is lifted, the double-scraper mechanism is moved from a position A to a position B through the driving device of the photovoltaic solar printer, namely, the first scraper part 1 is used for printing, the first scraper part 1 is lifted, the second scraper part 2 is lowered to be in contact with the screen, and the double-scraper mechanism is moved from the position B to the position A through the driving device of the photovoltaic solar printer, namely, the second scraper part 2 is used for printing;
and 4, step 4: and when the double scraper mechanism returns to the initial position, the steps are continuously repeated until the photovoltaic solar panel is processed.
The working principle and the beneficial effects of the technical scheme are as follows: first scraper portion 1 and second scraper portion 2 act on the silk screen in turn, all there is a scraper portion work going journey and returning journey, realize twice printing in the monocycle, the work efficiency is improved, adopt two scrapers to cancel the ink return sword and be first scraper portion 1 and second scraper portion 2 promptly, first scraper portion 1 prints when position B arrives position A, second scraper portion 2 prints when returning journey, the time of returning the ink separately to the ink return sword has been saved, single cycle time has been shortened and the output of printing machine has been improved, it has prolonged equipment life to have reduced scraper printing actuating mechanism number of times of use. Thereby reducing the cost of the battery piece.
Example 2
Referring to fig. 2, on the basis of the embodiment 1, the first scraper portion 1 and the second scraper portion 2 are symmetrical and distributed on the left and right sides of the bracket 3;
the first scraper part 1 comprises a servo lifting control component 101, a pressure sensor 103, a printing scraper 105, a bolt 106, a scraper 107 and a scraper connecting piece 108;
servo lift control subassembly 101 is fixed in 4 upsides of control platform, servo lift control subassembly 101 is located control platform 4 left sides, servo lift control subassembly 101 output passes control platform 4, and is located 3 left sides of support, servo lift control subassembly 101 output is connected with scraper connecting piece 108, scraper balance seat 109 passes through bolt 106 with scraper connecting piece 108 is connected, printing scraper 105 is fixed in scraper balance seat 109, printing scraper 105 both ends are provided with scraper 107, scraper 107 is fixed in scraper connecting piece 108.
Preferably, the servo lift control assembly 101 includes: a servo motor 1011, a coupling 1012, a roller screw 1013, a linear guide 1014, and a cover plate 1105;
the servo motor 1011 is fixed in control platform 4, servo motor 1011 output passes through shaft coupling 1012 connects roller lead 1013 one end, roller lead 1013 external screw thread is connected with apron 1105, apron 1105 is fixed with scraper connecting piece 108, apron 1105 can follow linear guide 1014 slides from top to bottom.
The working principle and the beneficial effects of the technical scheme are as follows: the servo motor 1011, the roller lead screw 1013, the linear guide 1014 and the cover plate 1105 are arranged to ensure the ascending and descending stability of the printing scraper 105, the production quality of the solar panel is improved, and the scrapers 107 are fixed on two sides of the printing scraper 105, so that the paste can be controlled in a relatively fixed range during printing, and the printing quality and effect are ensured.
Example 3
Referring to fig. 2, on the basis of the embodiment 2, the first scraper portion 1 further includes a balance adjustment assembly 104, the balance adjustment assembly 104 is located above the printing scraper 105, the balance adjustment assembly 104 is respectively connected to the upper surfaces of two ends of the printing scraper 105, and the other end of the balance adjustment assembly 104 is fixed to the scraper connecting member 108;
the first scraper part 1 further comprises a constant force buffer component 102, the output end of the servo lifting control component 101 is fixed with the upper end of the constant force buffer component 102, the lower end of the constant force buffer component 102 is provided with the pressure sensor 103, the lower end of the constant force buffer component 102 is fixed with the scraper connecting piece 108, and the pressure sensor 103 is positioned between the lower end of the constant force buffer component 102 and the scraper connecting piece 108;
the first scraper portion 1 further includes a limit and origin sensor 110, and the limit and origin sensor 110 is fixed to the support 3.
The working principle and the beneficial effects of the technical scheme are as follows: the quality problem that the blade tip nonparallel of screen and printing scraper 105 caused is avoided in the setting of balance adjustment subassembly 104, and this design makes printing scraper 105 can rotate around bolt 106, gives simultaneously with certain pressure, the going on smoothly of guarantee printing. The constant force buffer assembly 102 ensures that the printing scraper 105 is stable and soft when contacting with the silk screen, and avoids the damage to the silk screen caused by rigid collision. The set limit and origin sensor 110 determines the limit value of the travel position of the blade portion to prevent damage to the equipment due to out of range.
Example 4
Referring to fig. 4, on the basis of the above embodiment 1, a doctor blade moving device is further included, and the doctor blade moving device includes: the device comprises a shell 5, a base 6, a linear motor stator 7, a linear guide rail 8, a linear motor rotor 9, a drag chain 10 and a linear motor limit inductor 11;
the casing 5 with the support 3 is fixed, just the casing 5 sets up on linear guide 8, linear guide 8 is fixed in base 6, linear electric motor active cell 9 is fixed in casing 5 bottom, linear electric motor stator 7 is fixed in 6 upper portions of base, linear electric motor stator 7 with linear electric motor active cell 9 connects, tow chain 10 both ends connect in casing 5 and base 6, base 6 still is provided with linear electric motor limit inductor 11, is responsible for the response the position of casing 5.
The working principle and the beneficial effects of the technical scheme are as follows: the linear motor stator 7 arranged on the casing 5 and the base 6 is matched with the linear motor rotor 9, so that the casing 5 drives the scraper mechanism to move left and right, and printing of the silk screen is completed.
Example 5
Referring to fig. 5-6, on the basis of the above embodiment 4, the housing 5 is further provided with a warning box 12, and an alarm device is disposed in the warning box 12, and the alarm device includes:
the device comprises a first connecting rod 13, a first rotating shaft 14, a worm wheel 15, a worm 16, a first motor 17, a third connecting rod 18, a motor supporting block 19, a second supporting rod 20, a third rotating shaft 21, a fourth rotating shaft 22, a second connecting rod 23, a horizontal fixing rod 24, a third supporting rod 25, a first supporting rod 26, a spring 27, a knocking block 28, a hitting bowl 29, a first fixing base 30 and a second rotating shaft 31;
the fixed base 30 is fixed on the lower surface of the warning box 12, the motor supporting block 19 is fixed on the upper surface of the fixed base 30, the first motor 17 is fixed on the motor supporting block 19, the worm 16 is fixed at the output end of the first motor 17, two ends of the worm 16 are respectively limited and supported by the middle sections of the first supporting rod 26 and the second supporting rod 20, and the worm 16 is meshed with the worm wheel 15;
the fixed base 30 upper surface exists the third bracing piece 25, the upper end of second bracing piece 20, third bracing piece 25 is fixed in respectively horizontal fixing pole 58 middle section both sides, worm wheel 15 passes through first pivot 14 install in horizontal fixing pole 24 one end, just first connecting rod 13 through first pivot 14 with worm wheel 15 is fixed, first connecting rod 13 through first pivot 14 with second connecting rod 23 is articulated, second connecting rod 23 passes through third pivot 21 with third connecting rod 18 is articulated, third connecting rod 18 middle part is passed through fourth pivot 22 with horizontal fixing pole 24 other end is articulated, third connecting rod 18 end is fixed in spring 27 one end, the spring 27 other end with it is fixed to strike piece 28, it surrounds to strike bowl 29 strike piece 28.
The working principle and the beneficial effects of the technical scheme are as follows: when an accident occurs, the first motor 17 is started to drive the worm 16 to rotate, the worm wheel 15 is rotated, the first connecting rod 13 fixed on the worm wheel 15 rotates along with the worm wheel, the third connecting rod 18 finally rotates around the fourth rotating shaft 22 through the second connecting rod 23, the knocking block 28 fixed on the third connecting rod 18 through the spring 27 knocks the hitting bowl 29 to make a sound to remind a user of checking the situation in time, and the safety of the mechanism is further improved.
Example 6
Referring to fig. 5-8, on the basis of the above embodiment 5, a bowl-striking moving device is further disposed in the warning box 12 for changing the tone of the alarm bell, and the bowl-striking moving device includes:
the second motor 32, the second fixed base 33, the second motor output shaft 34, the limit box 35, the limit block 36, the upper thrust bearing 37, the lower thrust bearing 38, the lead screw 39, the moving member 40 and the chute 41;
the second fixing base 33 is fixed on the lower surface of the warning box 12, the second fixing base 33 is triangular, the second motor 32 is fixed at the lower end of the inclined surface of the second fixing base 33, the second motor output shaft 34 is connected with the lead screw 39, the position of the lead screw 39, which is close to the connection position of the second motor output shaft 34 and the lead screw 39, is fixed with the limit block 36, the limit box 35 is arranged on the second fixing base 33, the limit block 36 is positioned in the limit box 35, both ends of the lead screw 39 penetrate through the limit box 35, the upper thrust bearing 37 and the lower thrust bearing 38 are arranged between the limit block 36 and the limit box 35, and the upper thrust bearing 37 and the lower thrust bearing 38 are symmetrical with respect to the limit block 70;
the internal thread of the moving member 40 is sleeved on the thread of the screw rod 39, the moving member 40 slides in the sliding groove 41 arranged on the inclined surface of the second fixing base 33, and the beating bowl 29 is fixed on the inclined upper side of the moving member 40.
The working principle and the beneficial effects of the technical scheme are as follows: second motor 32 starts, drive lead screw 39 and rotate, make through moving member 40 and hit and beat bowl 29 and carry out the translation, thereby the adjustment is hit piece 28 and is hit and hit the position of beating bowl 29, and then change the tone quality, and set up in the stopper 36 that lead screw 39 is close to second motor output shaft 34 and lead screw 39 junction position, restricted by spacing box 35, make the frictional force of beating bowl 29 and carrying out the translation offset by the pressure between stopper 36 and the spacing box 35, make it can not act on second motor 32, protect second motor 32, the life of second motor 32 has been guaranteed.
Example 7
On the basis of the above embodiment 2, the bolt use state detection device is further included, and the bolt use state detection device includes:
a temperature sensor provided on the bolt 106 for detecting a temperature of the bolt 106 when the printing blade 105 is operated;
a humidity sensor disposed on the bolt 106 for detecting an absolute humidity of an environment around the bolt 106;
an acceleration sensor provided on the bolt 106 for detecting a speed of the printing blade 105 in operation;
a force sensor a, which is arranged between the nut of the bolt 106 and the contact surface of the printing scraper 105 and is used for detecting the change value of the horizontal pressure of the printing scraper 105 during working;
a force sensor B arranged between the thread of the bolt 106 and the contact surface of the printing scraper 105 and used for detecting the sudden change value of the vertical pressure of the printing scraper 105 during work;
a timer provided on the bolt 106 for recording the time of operation of the printing blade 105;
the alarm is positioned on the control platform 4;
a controller, the controller respectively with temperature sensor, humidity transducer, acceleration sensor, force transducer A, force transducer B, time-recorder and alarm electric connection, the controller is based on temperature sensor, humidity transducer, acceleration sensor, force transducer A, force transducer B, time-recorder control alarm work includes:
step 1: the controller obtains the degree of oxidation of the bolt 106 based on a temperature sensor, a humidity sensor, a timer, and equation (1):
wherein, N the oxidation degree of the bolt 106, H the oxygen content in the air, V the volume of the bolt 106, T the time of the printing blade 105 working recorded by the timer, T the temperature of the bolt 106 when the printing blade 105 is working detected by the temperature sensor, R the absolute humidity of the environment around the bolt 106 detected by the humidity sensor, G the weight of the bolt 106, T0Is a unit time;
step 2: the controller calculates the bolt use state based on the acceleration sensor, the force sensor A, the force sensor B, and formula (2):
wherein, χ the bolt use state, F1A value of the deflection of the horizontal pressure of the printing blade 105 during operation, F, detected for the force sensor A2A value of the change in the vertical pressure of the printing blade 105 during operation, which is detected by the force sensor B, a is the acceleration of the printing blade 105 during operation, which is detected by the acceleration sensor, and m is the weight of the printing blade 105;
and when the service state of the bolt exceeds a preset reference value range, the controller controls an alarm to give an alarm.
The working principle and the beneficial effects of the technical scheme are as follows: the controller obtains the oxidation degree of the bolt 106 based on the temperature of the bolt 106 when the printing blade 105 works detected by the temperature sensor, the absolute humidity of the environment around the bolt 106 detected by the humidity sensor, the working time of the printing blade 105 recorded by the timer, and the formula (1), and simultaneously, the controller sets a force sensor A between the nut of the bolt 106 and the contact surface of the printing blade 105 to detect the sudden change value of the horizontal pressure of the printing blade 105 when the printing blade 105 works, sets a force sensor B between the thread of the bolt 106 and the contact surface of the printing blade 105 to detect the sudden change value of the vertical pressure of the printing blade 105 when the printing blade 105 works, and then calculates the bolt use state according to the calculation result of the formula (1), the sudden change value of the horizontal pressure of the printing blade 105 when the printing blade works detected by the force sensor A, the sudden change value of the vertical pressure of the printing blade 105 when the printing blade works detected by the force sensor B, and the formula (2) The bolt service condition surpasss when predetermineeing the benchmark range, the controller can control the alarm and send the warning suggestion to remind the field work personnel to inspect production equipment, ensure production equipment's safety, send the warning through setting up controller control alarm, can make the staff in time discover the work of equipment unusual, improved the work efficiency of equipment and the intelligent degree of equipment.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a photovoltaic solar energy printing machine's two scraper mechanisms which characterized in that includes:
a support (3);
the scraper structure comprises a first scraper part (1) and a second scraper part (2), wherein the scraper part (1) and the second scraper part (2) are respectively arranged on two opposite sides of a support (3);
the control platform (4) is fixed above the support (3).
2. The double scraper mechanism of the photovoltaic solar printer according to claim 1, wherein the first scraper portion (1) and the second scraper portion (2) are symmetrical and distributed on the left and right sides of the support (3);
the first scraper part (1) comprises a servo lifting control assembly (101), a pressure sensor (103), a printing scraper (105), a bolt (106), a scraper (107) and a scraper connecting piece (108);
servo lift control subassembly (101) are fixed in control platform (4) upside, servo lift control subassembly (101) are located control platform (4) left side, servo lift control subassembly (101) output passes control platform (4), and is located support (3) left side, servo lift control subassembly (101) output is connected with scraper connecting piece (108), scraper balance seat (109) pass through bolt (106) with scraper connecting piece (108) are connected, printing scraper (105) are fixed in scraper balance seat (109), printing scraper (105) both ends are provided with scraper blade (107), scraper blade (107) are fixed in scraper connecting piece (108).
3. The double doctor mechanism of the photovoltaic solar printing machine according to claim 2, wherein the first doctor portion (1) further comprises a balance adjusting component (104), the balance adjusting component (104) is located above the printing doctor (105), the balance adjusting component (104) is respectively connected with the upper surfaces of two ends of the printing doctor (105), and the other end of the balance adjusting component (104) is fixed with the doctor connecting member (108);
the first scraper part (1) further comprises a constant force buffer component (102), the output end of the servo lifting control component (101) is fixed with the upper end of the constant force buffer component (102), the lower end of the constant force buffer component (102) is provided with the pressure sensor (103), the lower end of the constant force buffer component (102) is fixed with the scraper connecting piece (108), and the pressure sensor (103) is located between the lower end of the constant force buffer component (102) and the scraper connecting piece (108);
the first scraper part (1) further comprises a limit and origin sensor (110), and the limit and origin sensor (110) is fixed on the support (3).
4. The dual squeegee mechanism of a photovoltaic solar printer of claim 2, wherein: the servo lift control assembly (101) comprises: the device comprises a servo motor (1011), a coupler (1012), a roller screw (1013), a linear guide rail (1014) and a cover plate (1105);
servo motor (1011) are fixed in control platform (4), servo motor (1011) output passes through shaft coupling (1012) are connected roller screw (1013) one end, roller screw (1013) external screw thread connection has apron (1105), apron (1105) are fixed with scraper connecting piece (108), apron (1105) can be followed linear guide (1014) slide from top to bottom.
5. The dual squeegee mechanism of a photovoltaic solar printer of claim 1, wherein: still include scraper mobile device, still include scraper mobile device includes: the device comprises a shell (5), a base (6), a linear motor stator (7), a linear guide rail (8), a linear motor rotor (9), a drag chain (10) and a linear motor limit inductor (11);
casing (5) with support (3) are fixed, just casing (5) set up on linear guide (8), linear guide (8) are fixed in base (6), linear electric motor active cell (9) are fixed in casing (5) bottom, linear electric motor stator (7) are fixed in base (6) upper portion, linear electric motor stator (7) with linear electric motor active cell (9) are connected, tow chain (10) both ends connect in casing (5) and base (6), base (6) still are provided with linear electric motor limit inductor (11), are responsible for the response the position of casing (5).
6. The dual squeegee mechanism of a photovoltaic solar printer of claim 5, wherein: still be provided with warning box (12) on casing (5), be provided with the alarm bell device in warning box (12), the alarm bell device includes:
the device comprises a first connecting rod (13), a first rotating shaft (14), a worm wheel (15), a worm (16), a first motor (17), a third connecting rod (18), a motor supporting block (19), a second supporting rod (20), a third rotating shaft (21), a fourth rotating shaft (22), a second connecting rod (23), a horizontal fixing rod (24), a third supporting rod (25), a first supporting rod (26), a spring (27), a knocking block (28), a hitting bowl (29), a first fixing base (30) and a second rotating shaft (31);
the fixing base (30) is fixed to the lower surface of the warning box (12), the motor supporting block (19) is fixed to the upper surface of the fixing base (30), the first motor (17) is fixed to the motor supporting block (19), a worm (16) is fixed to the output end of the first motor (17), two ends of the worm (16) are limited and supported by the middle sections of the first supporting rod (26) and the second supporting rod (20) respectively, and the worm (16) is meshed with the worm wheel (15);
the upper surface of the fixed base (30) is provided with the third supporting rod (25), the upper ends of the second supporting rod (20) and the third supporting rod (25) are respectively fixed at the two sides of the middle section of the horizontal fixed rod (58), the worm wheel (15) is installed at one end of the horizontal fixed rod (24) through the first rotating shaft (14), the first connecting rod (13) is fixed with the worm wheel (15) through the first rotating shaft (14), the first connecting rod (13) is hinged with the second connecting rod (23) through the first rotating shaft (14), the second connecting rod (23) is hinged with the third connecting rod (18) through the third rotating shaft (21), the middle part of the third connecting rod (18) is hinged with the other end of the horizontal fixed rod (24) through the fourth rotating shaft (22), and the tail end of the third connecting rod (18) is fixed at one end of the spring (27), the other end of the spring (27) is fixed with the knocking block (28), and the beating bowl (29) surrounds the knocking block (28).
7. The dual squeegee mechanism of a photovoltaic solar printer of claim 6, wherein: still be provided with in warning box (12) and hit and beat bowl mobile device for change alarm bell tone quality, hit and beat bowl mobile device and include:
the device comprises a second motor (32), a second fixed base (33), a second motor output shaft (34), a limiting box (35), a limiting block (36), an upper thrust bearing (37), a lower thrust bearing (38), a lead screw (39), a moving piece (40) and a sliding groove (41);
the second fixed base (33) is fixed on the lower surface of the warning box (12), the second fixed base (33) is in a triangular shape, the second motor (32) is fixed at the lower end of the inclined plane of the second fixed base (33), the second motor output shaft (34) is connected with the lead screw (39), the position of the lead screw (39), which is close to the connection part of the second motor output shaft (34) and the lead screw (39), is fixed with the limit block (36), the second fixed base (33) is provided with the limit box (35), the limit block (36) is positioned in the limit box (35), and both ends of the screw rod (39) penetrate through the limiting boxes (35), the upper thrust bearing (37) and the lower thrust bearing (38) are arranged between the limiting blocks (36) and the limiting boxes (35), the upper thrust bearing (37) and the lower thrust bearing (38) are symmetrical about the stopper (70);
the internal thread of the moving piece (40) is sleeved on the thread of the screw rod (39), the moving piece (40) slides in the sliding groove (41) formed in the inclined surface of the second fixed base (33), and the beating bowl (29) is fixed on the inclined upper side of the moving piece (40).
8. The dual squeegee mechanism of a photovoltaic solar printer of claim 3, wherein: still include bolt in service condition detection device, bolt in service condition detection device includes:
the temperature sensor is arranged on the bolt (106) and used for detecting the temperature of the bolt (106) when the printing scraper (105) works;
a humidity sensor arranged on the bolt (106) and used for detecting the absolute humidity of the environment around the bolt (106);
an acceleration sensor arranged on the bolt (106) and used for detecting the speed of the printing scraper (105) in work;
the force sensor A is arranged between the nut of the bolt (106) and the contact surface of the printing scraper (105) and is used for detecting the sudden change value of the horizontal pressure of the printing scraper (105) during working;
the force sensor B is arranged between the thread of the bolt (106) and the contact surface of the printing scraper (105) and is used for detecting the sudden change value of the vertical pressure of the printing scraper (105) during working;
a timer arranged on the bolt (106) and used for recording the working time of the printing scraper (105);
the alarm is positioned on the control platform (4);
a controller, the controller respectively with temperature sensor, humidity transducer, acceleration sensor, force transducer A, force transducer B, time-recorder and alarm electric connection, the controller is based on temperature sensor, humidity transducer, acceleration sensor, force transducer A, force transducer B, time-recorder control alarm work includes:
step 1: the controller obtains the degree of oxidation of the bolt (106) based on a temperature sensor, a humidity sensor, a timer, and equation (1):
wherein N the degree of oxidation of the bolt (106), H the oxygen fraction in the air, V the volume of the bolt (106), T the time recorded by the timer during which the printing blade (105) is operating, T the temperature of the bolt (106) during which the printing blade (105) is operating as detected by the temperature sensor, R the absolute humidity of the environment surrounding the bolt (106) as detected by the humidity sensor, G the weight of the bolt (106), T0Is a unit time;
step 2: the controller calculates the bolt use state based on the acceleration sensor, the force sensor A, the force sensor B, and formula (2):
wherein, χ the bolt use state, F1A value of the deflection of the horizontal pressure of the printing blade (105) during operation, F, detected for the force sensor A2A value of a sudden change in the vertical pressure of the printing blade (105) during operation, which is detected by the force sensor B, a is the acceleration of the printing blade (105) during operation, which is detected by the acceleration sensor, and m is the weight of the printing blade (105);
and when the service state of the bolt exceeds a preset reference value range, the controller controls an alarm to give an alarm.
9. A double scraping method for use with a double scraper mechanism according to any of claims 1-8, characterized in that the method comprises the steps of:
step 1: the double scraper mechanism is fixed on a driving device of the photovoltaic solar printer through a bracket (3) of the double scraper mechanism;
step 2: initializing a double-scraper mechanism, and enabling a first scraper part (1) and a second scraper part (2) to recover to initial positions;
and step 3: when the double-scraper mechanism is moved above a screen by a driving device of a photovoltaic solar printer, the first scraper part (1) is lowered to be in contact with the screen, the second scraper part (2) is lifted, the double-scraper mechanism is moved from a position A to a position B by the driving device of the photovoltaic solar printer, namely, the first scraper part (1) prints, the first scraper part (1) is lifted, the second scraper part (2) is lowered to be in contact with the screen, and the double-scraper mechanism is moved from the position B to the position A by the driving device of the photovoltaic solar printer, namely, the second scraper part (2) prints;
and 4, step 4: and when the double scraper mechanism returns to the initial position, the steps are continuously repeated until the photovoltaic solar panel is processed.
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