CN115476598B - Ink jet printing machine - Google Patents

Ink jet printing machine Download PDF

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Publication number
CN115476598B
CN115476598B CN202211241840.8A CN202211241840A CN115476598B CN 115476598 B CN115476598 B CN 115476598B CN 202211241840 A CN202211241840 A CN 202211241840A CN 115476598 B CN115476598 B CN 115476598B
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CN
China
Prior art keywords
conduction band
conveying
roller
piece
along
Prior art date
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Active
Application number
CN202211241840.8A
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Chinese (zh)
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CN115476598A (en
Inventor
张传泳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Mingyang Cnc Equipment Co ltd
Original Assignee
Qingdao Mingyang Cnc Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Qingdao Mingyang Cnc Equipment Co ltd filed Critical Qingdao Mingyang Cnc Equipment Co ltd
Priority to CN202211241840.8A priority Critical patent/CN115476598B/en
Publication of CN115476598A publication Critical patent/CN115476598A/en
Application granted granted Critical
Publication of CN115476598B publication Critical patent/CN115476598B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4078—Printing on textile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0045—Guides for printing material
    • B41J11/0055—Lateral guides, e.g. guides for preventing skewed conveyance of printing material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
    • B41J15/046—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles for the guidance of continuous copy material, e.g. for preventing skewed conveyance of the continuous copy material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/02—Advancing webs by friction roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/0204—Sensing transverse register of web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/032—Controlling transverse register of web
    • B65H23/038—Controlling transverse register of web by rollers

Abstract

The application relates to an inkjet printing machine, comprising: a conveying member for conveying a piece to be printed; the inkjet printing part sets up in conveying part upside for treat printing piece inkjet positioning part, be used for treating printing piece location of conveying part upside, include: the transverse rail is vertically movably arranged above the conveying component and is arranged along the conveying direction perpendicular to the conveying component; the positioning plates are movably arranged on the transverse rail along the length direction of the transverse rail, and are arranged on the feeding side of the conveying component. The printing device has the advantages that the accurate positioning of the piece to be printed on the upper side of the conduction band is realized, and the follow-up ink jet printing quality of the piece to be printed is guaranteed.

Description

Ink jet printing machine
Technical Field
The present application relates to the field of inkjet printing, and in particular to an inkjet printer.
Background
In the soft fabric production process, the final processing is generally realized by adopting a mode of firstly forming and then inkjet coloring, and in the process, the inkjet of the pattern is realized by adopting an inkjet machine.
In the related art, an ink jet machine is adopted for coloring fabrics, and comprises a supporting frame with a conduction band and an ink jet device arranged on the upper side of the supporting frame, when the fabrics are colored, the fabrics are arranged on the upper side of the conduction band, then the fabrics are conveyed through the conduction band, and in the conveying process of the fabrics, the ink jet device is used for jetting ink to the fabrics in the conveying process, so that the coloring of the fabrics is realized.
However, the inventor found that when such an inkjet printer is used, when it is required to perform inkjet printing on a fabric piece having a smaller size, the fabric piece is difficult to accurately place on the upper side of the guide belt, so that the accuracy of inkjet is affected during inkjet, and finally, the inkjet-molded fabric piece is difficult to meet the requirements.
Disclosure of Invention
In order to realize waiting to print the accurate location of piece in the conduction band upside, guarantee follow-up waiting to print the piece inkjet print quality, this application provides an inkjet printing machine.
The application provides an inkjet printing machine adopts following technical scheme:
an inkjet printer comprising:
a conveying member for conveying a piece to be printed;
the ink-jet printing component is arranged on the upper side of the conveying component and is used for jetting ink to a piece to be printed;
the locating part is used for locating the to-be-printed piece on the upper side of the conveying part and comprises:
the transverse rail is vertically movably arranged above the conveying component and is arranged along the conveying direction perpendicular to the conveying component;
the positioning plates are movably arranged on the transverse rail along the length direction of the transverse rail, and are arranged on the feeding side of the conveying component.
Through adopting above-mentioned technical scheme, before needing to wait to print the piece and carrying out the coloring, at first fall the horizontal rail to the conveying surface of conveying part, then, respectively adjust the position of each locating plate, make the position of each locating plate accord with the requirement, then place the piece that waits to print in the upside of conduction band, make the piece that waits to print place between a plurality of locating plates, make the one end butt in the horizontal rail of waiting to print, and make the opposite both sides butt in the locating plate respectively of waiting to print the piece, accomplish the location of waiting to print at conveying part upside like this, then follow vertical direction and remove the horizontal rail, make the horizontal rail break away from conveying part upside, carry through conveying part waiting to print the piece, and wait to print through the inkjet printing part and can, the effectual location of waiting to print the piece in conveying part upside that has realized foretell locating part, follow-up inkjet is waiting to print the precision of piece, inkjet quality has been improved.
Optionally, the conveying member comprises a tape;
the feeding end of the conduction band is rotatably provided with a filament dividing roller, the axial direction of the filament dividing roller is perpendicular to the conveying direction of the conduction band, and the filament dividing roller is symmetrically provided with two thread sections by taking the central part of the axial line of the filament dividing roller as a center.
Through adopting above-mentioned technical scheme, when needs carry longer large-scale piece of waiting to print, when will waiting to print the one end of piece and arrange the guide belt upside in and accomplish the location, can be with waiting to print the terminal of piece and arrange on dividing the silk roller to when driving to wait to print the piece and carry along with the rotation of conduction band, waiting to print the piece and also will drive dividing the silk roller through frictional force and rotate, and divide the screw thread section of two sections symmetries on the silk roller and will realize waiting to print the terminal automatic expansion in the conveying process of piece.
The downside of conduction band is provided with washs the subassembly, wash the subassembly and include:
the cleaning roller is horizontally arranged, is arranged along the conveying direction perpendicular to the conduction band and can be abutted against the lower side of the peripheral surface of the conduction band;
the liquid spraying pipe can trend the lower side of the peripheral surface of the conduction band to spray liquid, and the liquid spraying pipe is arranged on the feeding side of the cleaning roller, which is far away from the conduction band.
Through adopting above-mentioned technical scheme, treat to print the upside of arranging the conduction band in, realize treating the transport of printing the piece through the conduction band, in-process is carried out to inkjet to treat to print the piece, realize treating the coloring of printing the piece, then the conduction band continues to rotate, when the outer peripheral face of conduction band rotates to clean part position, the hydrojet pipe is at first to the outer peripheral face inkjet cleaning solution of conduction band, then continue along with the rotation of conduction band, the cleaning roller can clean the lower surface of conduction band, so realize the cleanness of conduction band outer peripheral face, when making the conduction band of rotatory a week accept again and waiting to print the piece conveying, avoided the remaining pigment of conduction band peripheral face before to print to new waiting to print the piece, guarantee the coloring quality of waiting to print the piece afterwards.
Optionally, a drying component is further arranged on the lower side of the conduction band, and the drying component is located on the feeding side, close to the conduction band, of the cleaning component;
the drying assembly comprises a fan and a heating pipe which are sequentially arranged along the conveying direction of the conduction band, and a blowing port of the fan faces the conduction band.
Through adopting above-mentioned technical scheme, the cooperation of heating pipe and the fan that sets up can be after realizing the cleanness of conduction band, carries out quick stoving to the global of conduction band, avoids the residual of water stain, avoids influencing subsequent waiting to print the piece and colors.
Optionally, a water tank is arranged at the lower side of the conduction band and is used for receiving the cleaning component;
the cleaning components are arranged on the upper side of the water tank, and the cleaning components are distributed along the conveying direction of the conduction band.
Through adopting above-mentioned technical scheme, the basin of adoption can realize the accepted of stoving subassembly to the rivers that make the production when clean flow to the basin, avoid sewage to the ground, and a plurality of cleaning assembly that adopt can improve the clean effect of the outer peripheral face of conduction band, avoid the remaining of conduction band surface seal.
Optionally, the downside of basin is provided with the lifting assembly, the lifting assembly includes:
the lifting cylinders are vertically arranged at two sides of the conveying direction of the guide belt;
the water tank slides along the conveying direction of the conduction band in the bearing slide rail, slides along with the water tank, and can drive the cleaning assembly to at least partially move out of the area below the conduction band.
Through adopting above-mentioned technical scheme, when need changing the maintenance to cleaning assembly's cleaning roller, can drive through the lift cylinder and accept the vertical motion of slide rail and break away from the butt conduction band to the cleaning roller, then slide the basin along the horizontal direction, make basin and the cleaning member of part break away from the downside of conduction band to convenient change maintenance cleaning roller.
Optionally, the conveying component further includes:
a support frame;
the conveying sleeve is rotationally arranged on the supporting frame and used for receiving the conduction band;
the detection unit is arranged on the supporting frame and used for detecting the rotation offset of the conduction band;
the deviation correcting roller is rotationally arranged on the supporting frame along the conveying direction perpendicular to the conduction band, one end of the deviation correcting roller can horizontally swing, and the deviation correcting roller can be abutted to the lower side of the conduction band;
the deviation correcting cylinder is horizontally arranged on one side of the supporting frame, receives the offset of the detection unit and is used for driving the swingable end of the deviation correcting roller to swing, so that the conduction band is driven to correct.
Through adopting above-mentioned technical scheme, during operation, the conveying sleeve rotates to the realization can realize the rotation of conduction band, produces the skew messenger in the transportation process of conduction band, drives the roller swing of rectifying through rectifying the jar, thereby can drive the conduction band and guide conduction band direction of transportation in transportation process, thereby reaches the rectifying of conduction band.
Optionally, the inkjet printing component includes:
the ink-jet printing frame is movably arranged above the conduction band along the conveying direction perpendicular to the conduction band, and is provided with an ink-jet head facing the conduction band direction;
the moisturizing groove is arranged on one side of the conduction band and moves along with the ink jet printing frame, the ink jet head can be positioned on the upper side of the moisturizing groove, and a scraping blade is movably arranged in the moisturizing groove and used for scraping ink drops of the ink jet head.
Through adopting above-mentioned technical scheme, during operation, the inkjet printing frame drives the inkjet head and removes to the appointed position of conduction band after, can carry out the inkjet printing to waiting that the conduction band upside was carried, after the inkjet printing finishes, the inkjet printing frame drives the inkjet head and removes to the upside of moisturizing groove, can hang the ink droplet of removing the inkjet head through the doctor-bar to avoid the ink droplet to solidify on the inkjet head, influence the use of inkjet head.
Optionally, the supporting frame is rotatably provided with a supporting roller, the axial direction of the supporting roller is the same as that of the conveying sleeve, and the conduction band is sleeved outside the supporting roller;
the circumference of the supporting roller is provided with protruding needles, the conduction band is provided with a plurality of through holes, the protruding needles synchronously rotate along with the supporting roller and the conduction band, and the protruding needles can penetrate through the through holes to extend to the outer circumference of the conduction band.
Through adopting above-mentioned technical scheme, will wait to print the piece and arrange the guide belt upside in after, along with the rotation of guide belt, support the roller and can support the guide belt, improve the bearing capacity of guide belt, and support the protruding needle of roller global can pass the through-hole of guide belt and prick to wait to print the piece to further fixed wait to print the position of piece in the guide belt upside, avoid waiting to print the piece and produce the displacement, guarantee the accuracy of inkjet.
Optionally, pin holes are uniformly distributed on the peripheral surface of the supporting roller and used for penetrating the convex pins;
a reciprocating shaft is coaxially arranged in the supporting roller in a rotating way, a plurality of convex needles are uniformly distributed on the peripheral surface of the reciprocating shaft, one end of each convex needle is hinged to the reciprocating shaft, and the other end of each convex needle extends to the needle outlet hole;
the convex needle can be protruded or contracted to the needle outlet hole along with the rotation of the reciprocating shaft relative to the supporting roller.
Through adopting above-mentioned technical scheme, when need not using protruding needle, directly rotate reciprocating axle for supporting the roller, make protruding needle withdraw in supporting the roller can, and equally, when need using protruding needle, rotate reciprocating axle, make protruding needle extend out the pinhole can, satisfy the different demands of use.
In summary, the present application includes at least one of the following beneficial technical effects:
before the piece to be printed is colored, firstly, the transverse rail falls onto the conveying surface of the conveying component, then, the positions of the positioning plates are respectively adjusted to enable the positions of the positioning plates to meet the requirements, then, the piece to be printed is arranged on the upper side of the conduction band, the piece to be printed is arranged between the positioning plates, one end of the piece to be printed is abutted to the transverse rail, the opposite sides of the piece to be printed are abutted to the positioning plates respectively, the positioning of the piece to be printed on the upper side of the conveying component is completed, then, the transverse rail is moved in the vertical direction, the transverse rail is separated from the upper side of the conveying component, the piece to be printed is conveyed through the conveying component, and the piece to be printed is printed through the ink-jet printing component.
When a long large-sized piece to be printed needs to be conveyed, one end of the piece to be printed is placed on the upper side of the guide belt to finish positioning, the tail end of the piece to be printed can be placed on the wire dividing roller, so that the piece to be printed is driven to be conveyed along with rotation of the guide belt, the wire dividing roller is driven to rotate by friction force, and two symmetrical thread sections on the wire dividing roller can realize automatic unfolding of the tail end of the piece to be printed in the conveying process.
Drawings
FIG. 1 is a schematic overall structure of an ink jet printer according to an embodiment of the present application;
FIG. 2 is a schematic view showing an internal structure of an inkjet printer according to an embodiment of the present disclosure with an outer casing disassembled;
FIG. 3 is a schematic view of a sliding table of an inkjet printing machine according to an embodiment of the present disclosure;
FIG. 4 is an enlarged schematic view of portion A of FIG. 2;
FIG. 5 is a schematic view of an ink jet print carriage embodying a latch according to an embodiment of the present application;
FIG. 6 is a schematic cross-sectional view of a cleaning component structure embodying an embodiment of the present application;
FIG. 7 is an enlarged schematic view of portion B of FIG. 2;
FIG. 8 is a schematic cross-sectional view of a support roller structure embodying another embodiment of the present application;
reference numerals illustrate: 1. an outer housing; 2. a conveying member; 21. a support frame; 211. a wall plate; 212. a support rod; 22. a bearing roller sleeve; 23. conduction band; 231. a through hole; 24. a driving member; 25. a locking member; 251. a locking cylinder; 252. a friction plate; 26. a support roller; 261. a reciprocating shaft; 262. a protruding needle; 263. a pinhole is formed; 27. a receiving plate; 271. a slot; 272. a wire dividing roller; 273. a swing shaft; 28. a protection plate; 3. an inkjet printing component; 31. a cross beam; 311. a support base; 32. an inkjet printing rack; 33. a sliding table; 34. a moisturizing groove; 341. a slide tube; 342. a wiper blade; 343. a drain pipe; 35. a drive shaft; 351. a sprocket; 352. a chain; 36. a spray pipe; 4. a positioning member; 41. a transverse rail; 42. an adjusting cylinder; 43. a positioning plate; 5. cleaning the component; 51. cleaning the assembly; 511. a cleaning roller; 512. a liquid spraying pipe; 52. a drying assembly; 521. a material placing frame; 522. heating pipes; 523. a blower; 524. a protective net; 53. a water tank; 531. a cleaning roller is supplemented; 54. a lifting assembly; 541. a lifting cylinder; 542. a bearing slide rail; 6. a detection unit; 7. a deviation rectifying unit; 71. a correction roller; 72. a correction cylinder; 73. and a bearing seat.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses an inkjet printing machine which is mainly used for various fabrics such as cloth, carpets and other products.
Referring to fig. 1 and 2, the inkjet printer includes an outer housing 1, and a conveying member 2, an inkjet printing member 3, a positioning member 4, and a cleaning member 5 are disposed in the outer housing 1. The conveying component 2 is used for realizing conveying of a piece to be printed, the ink-jet printing component 3 is used for carrying out ink-jet pigment on the piece to be printed in the conveying process of the piece to be printed, the positioning component 4 is used for realizing accurate positioning of the piece to be printed on the upper side of the conveying component 2 between ink-jet, the accuracy of ink-jet treatment of the ink-jet printing component 3 is guaranteed, and the cleaning component 5 is used for cleaning the conveying component 2 so as to prevent the pigment falling to the conveying component 2 during ink-jet from affecting the ink-jet treatment of a subsequent carpet.
Referring to fig. 2, the conveying member 2 includes a supporting frame 21, the supporting frame 21 includes two vertically disposed wall plates 211 and a plurality of supporting rods 212 horizontally fixed to a lower side between the two wall plates 211, and the supporting rods 212 have a length greater than that of the wall plates 211 so that the supporting frame 21 has a rectangular-like structure as a whole.
Referring to fig. 2 and 3, the end portions of the two wall plates 211 are respectively provided with a receiving roller sleeve 22 in a rotating manner, the axial direction of the receiving roller is the same as the length direction of the supporting frame 21, and the corresponding receiving roller sleeves 22 of the end portions of the two wall plates 211 are coaxially arranged. The corresponding carrying roller sleeves 22 of the two wall plates 211 are sleeved with conveying sleeves which are coaxially arranged with the carrying roller sleeves 22, the conveying sleeves can synchronously rotate along with the carrying roller sleeves 22, and the two conveying sleeves are also sleeved with a horizontally arranged conduction band 23.
Referring to fig. 2, a driving member 24, such as a motor, is disposed at a position on the outer side of a wall plate 211 corresponding to a receiving roller sleeve 22, in this embodiment, the driving member 24 drives the receiving roller sleeve 22 to rotate by connecting with a speed reducer, and the receiving roller sleeve 22 rotates, so as to drive the conveying sleeve to rotate, thereby driving the guiding belt 23 to rotate.
Referring to fig. 3, a locking member 25 is further disposed on the outer side of one wall 211 corresponding to the other receiving roller 22, where the locking member 25 is used to limit the rotation of the receiving roller 22, so as to limit the rotation of the conveying sleeve, and further enable the guide belt 23 to be in a static state.
Referring to fig. 3, in this embodiment, the locking member 25 adopts a composite structure of a locking cylinder 251 and two friction plates 252, and more details are: the locking cylinder 251 is fixed on the outer side of the wall plate 211, the axial direction of the locking cylinder 251 is the same as the axial direction of the bearing roller sleeve 22, a telescopic rod of the locking cylinder 251 faces the wall plate 211, one friction disc 252 is fixed on the telescopic rod of the locking cylinder 251, the other friction disc 252 is fixed on one end of the bearing roller sleeve 22, which is close to the locking cylinder 251, the bearing roller sleeve 22 rotates to drive one friction disc 252 to synchronously rotate, and when the bearing roller sleeve 22 needs to be limited to rotate, the telescopic rod of the locking cylinder 251 extends to push the friction disc 252 at the end part of the telescopic rod to move towards the direction of the friction disc 252 of the bearing roller sleeve 22 until the two friction discs 252 are mutually abutted, so that the free rotation of the bearing roller sleeve 22 can be limited.
Referring to fig. 2 and 3, in use, a piece to be printed is placed on the guide belt 23, and then a carrying roller sleeve 22 is driven to rotate by a driving piece 24, so that the guide belt 23 is driven to rotate by a conveying sleeve, and conveying of the piece to be printed is realized.
Referring to fig. 3, in order to further improve the bearing capacity of the guide belt 23, a supporting roller 26 is rotatably disposed between two wall plates 211 corresponding to the position between two conveying sleeves, and the axial direction of the supporting roller 26 is the same as the axial direction of the conveying sleeve. The conduction band 23 is sleeved outside the supporting roller 26, so that the supporting roller 26 can support the middle part of the conduction band 23, and the bearing capacity of the conduction band 23 is improved.
Referring to fig. 2 and 3, the inkjet printing part 3 includes a cross member 31 horizontally above the support frame 21, and support bases 311 are fixed to both ends of the cross member 31 for fixing the cross member 31 to the support frame 21. The length direction of the cross member 31 is perpendicular to the conveying direction of the guide belt 23, and the length of the cross member 31 is greater than the length of the support frame 21. The cross beam 31 is provided with an ink-jet printing frame 32, a sliding table 33 is arranged between the ink-jet printing frame 32 and the cross beam, the sliding table 33 slides in the cross beam 31 along the length direction of the cross beam 31, the cross beam 31 is also provided with a first pushing component for pushing the sliding table to move, the ink-jet printing frame 32 slides and is connected with the sliding table 33 along the vertical direction, the sliding table 33 is provided with a second pushing component for pushing the ink-jet printing frame to move vertically, and the first pushing component and the second pushing component can be driven by a driving cylinder or a motor screw.
A plurality of inkjet heads are provided on the underside of the inkjet carriage 32 for effecting the ejection of pigment. When the piece to be printed is conveyed through the guide belt 23, the sliding table 33 drives the ink-jet printing frame 32 to horizontally move to a proper position, and then the ink-jet printing frame 32 can automatically and vertically move, so that the position of the ink-jet head, which is away from the upper side of the guide belt 23, of the piece to be printed is adjusted, and high-precision and high-quality printing of the piece to be printed on the guide belt 23 is realized.
Referring to fig. 3 and 4, in order to achieve cleaning after the inkjet heads are ejected, a horizontally arranged moisturizing groove 34 is fixed to one side of the support frame 21, and the moisturizing groove 34 has the same length direction as the length direction of the cross beam 31 and moves along the cross beam 31 along with the inkjet printing frame 32, so that the inkjet printing frame 32 can be located on the upper side of the moisturizing groove 34, that is, each inkjet head is located in the area of the moisturizing groove 34. A slide tube 341 is slidingly connected in the moisture retention groove 34 along the width direction thereof, the length direction of the slide tube 341 is the same as the length direction of the moisture retention groove 34, a wiper 342 is fixed on the upper side of the slide tube 341 along the length direction thereof, and the moisture retention groove 34 is also provided with a reciprocating driving unit for driving the slide tube 341 to reciprocate along the width direction of the moisture retention groove 34. After the inkjet printing frame 32 slides to the upper side of the moisturizing groove 34, the reciprocating driving unit drives the sliding tube 341 to reciprocate along the width direction of the moisturizing groove 34, so that the ink drops remained below the inkjet head can be scraped off by the scraping blade 342, the ink is prevented from condensing on the lower side of the inkjet head, the cleaning of the inkjet head is ensured, and the service life of the inkjet head is prolonged.
Referring to fig. 3 and 4, the reciprocating driving unit includes driving shafts 35 rotatably disposed at both sides of the moisturizing groove 34 along the length direction of the moisturizing groove, one ends of the driving shafts 35 are respectively fixed with a sprocket 351, two sprockets 351 are sleeved with a chain 352, one end of the sliding tube 341 is fixed to the chain 352, and a reciprocating motor is fixed at the end of the moisturizing groove 34 corresponding to one driving shaft 35.
Referring to fig. 3 and 4, in order to facilitate removal of ink droplets in the moisturizing groove, a nozzle 36 is further fixed at one side of the length direction of the holder, one end of the nozzle 36 extends out of one end of the moisturizing groove for connection with a water source, and a plurality of spray heads are fixed on the circumferential surface of the nozzle; the spray heads are all inclined downwards towards the inside of the moisturizing groove 34, and the cleaning of the moisturizing groove 34 is realized as the water is sprayed into the moisturizing groove 34. And a drain pipe 343 is provided at the lower side of the moisturizing groove 34, which can be used to drain the sewage in the moisturizing groove.
Referring to fig. 2, the positioning member 4 includes a horizontal rail 41 horizontally provided on the upper side of the support frame 21, the length direction of the horizontal rail 41 being perpendicular to the conveying direction of the guide belt 23, the horizontal rail 41 providing the feeding side of the inkjet printing frame 32 near the guide belt 23.
Referring to fig. 2, adjusting cylinders 42 are vertically fixed to both ends of the support frame 21 corresponding to the transverse rails 41, and telescopic rods of the adjusting cylinders 42 are fixed to the transverse rails 41 upward, so that the transverse rails 41 of the adjusting cylinders 42 are lowered, and the lower sides of the transverse rails 41 can be abutted against the upper surfaces of the guide belts 23.
Referring to fig. 2, a plurality of positioning plates 43 are slidably connected to a side of the transverse rail 41 near the feeding side of the guide belt 23 along the length direction thereof, and the length direction of the positioning plates 43 is perpendicular to the length direction of the transverse rail 41. In order to accurately adjust the distance between the positioning plates 43, the upper side of the transverse rail 41 corresponding to the positioning plates 43 may also be provided with a fixing strip along the length direction of the transverse rail 41, so as to adjust the position of the positioning plates 43.
Referring to fig. 2, before the piece to be printed is required to be colored, the adjusting cylinder 42 drives the transverse rail 41 to drop to abut against the upper side of the guide belt 23, then the positions of the positioning plates 43 are adjusted along the transverse rail 41 respectively, so that the positions of the positioning plates 43 meet the requirements, then the piece to be printed is placed on the upper side of the guide belt 23, the piece to be printed is placed between the positioning plates 43, one end of the piece to be printed abuts against the transverse rail 41, the opposite sides of the piece to be printed abut against the positioning plates 43 respectively, positioning of the piece to be printed on the upper side of the conveying part 2 is completed, then the transverse rail 41 is pushed to move along the vertical direction by the adjusting cylinder 42, the transverse rail 41 is separated from the upper side of the conveying part 2, the piece to be printed is conveyed by the guide belt 23, the piece to be printed by the inkjet printing part 3, positioning of the piece to be printed on the upper side of the guide belt 23 is realized, the accuracy of the piece to be printed by the inkjet is ensured, and the inkjet quality is improved.
In addition, to facilitate the ejection of larger-sized pieces to be printed, the support frame 21 may be provided with a pinch roller 272 corresponding to the feed end of the guide belt 23 for achieving the unwinding and conveying of the pieces to be printed, as described in further detail below:
referring to fig. 2, receiving plates 27 are fixed to two wall plates 211 of the support frame 21 corresponding to the feeding ends of the guide belts 23, slots 271 are symmetrically formed on the upper sides of the two receiving plates 27, two ends of a wire dividing roller 272 are placed in the slots 271, the wire dividing roller 272 can rotate in the slots 271, and two thread sections are symmetrically arranged on the wire dividing roller 272 by taking the middle of the axis of the wire dividing roller as the center, namely, the rotation directions of the two thread sections are opposite. When a long large-sized workpiece to be printed needs to be conveyed, one end of the workpiece to be printed is placed on the upper side of the guide belt 23 to finish positioning, the tail end of the workpiece to be printed can be placed on the wire dividing roller 272, so that the workpiece to be printed is driven to be conveyed along with the rotation of the guide belt 23, the wire dividing roller 272 is driven to rotate by friction force, and two symmetrical thread sections on the wire dividing roller 272 can realize automatic unfolding of the tail end of the workpiece to be printed in the conveying process.
Referring to fig. 2, the lower sides of the two receiving plates 27 are further rotatably provided with a swinging shaft 273, the axial direction of the swinging shaft 273 is the same as the axial direction of the thread separating roller 272, and in operation, the swinging shaft 273 applies a constant tension to the roll, the thread separating roller 272 spreads the roll, and then printing is started.
Referring to fig. 5 and 6, the cleaning component 5 is disposed on the lower side of the conduction band 23, and includes a cleaning component 51 and a drying component 52, the cleaning component 51 is disposed on one side of the drying component 52 facing away from the conduction band 23, the cleaning component 51 is used for cleaning the outer peripheral surface of the conduction band 23, and the drying component 52 is used for drying the outer peripheral surface of the conduction band 23. To achieve the reception of impurities during cleaning of the cleaning assembly 51, the cleaning member 5 further comprises a water trough 53 provided on the underside of the guide belt 23 for receiving the cleaning member 5. The following further details:
referring to fig. 6, the water tank 53 is horizontally disposed at the lower side of the conduction band 23, the length direction of the water tank 53 is perpendicular to the conveying direction of the conduction band 23, the lower side of the supporting frame 21 is further provided with a lifting assembly 54, the lifting assembly 54 includes lifting cylinders 541 vertically fixed at the sides of the two wall plates 211, the telescopic rods of the two lifting cylinders 541 are all disposed upward and are all fixed with a receiving slide rail 542, the receiving slide rail 542 is vertically slidably connected to the wall plates 211, the length direction of the receiving slide rail 542 is the same as the width direction of the water tank 53, the water tank 53 is disposed at the upper side of the receiving slide rail 542, and the water tank 53 is slidably connected to the receiving slide rail 542 along the length direction of the receiving slide rail 542. The lifting cylinder 541 can drive the water tank 53 to move vertically, and slide along the receiving slide rail 542 along with the sliding movement of the water tank 53, so that a portion of the water tank 53 can slide out below the guide belt 23.
Referring to fig. 6, the cleaning modules 51 are provided in a plurality of groups, and the plurality of cleaning modules 51 are arranged in the width direction of the water tank 53. The cleaning assembly 51 includes a cleaning roller 511 and a spray tube 512, wherein the cleaning roller 511 is disposed on a side of the spray tube 512 near the feed belt 23. The cleaning roller 511 may be a roller having a brush on its outer peripheral surface, a roller having a soft cloth structure on its outer peripheral surface, or a roller having a sponge structure on its outer peripheral surface. The cleaning roller 511 is rotatably connected to the inside of the water tank 53, and the axial direction of the cleaning roller 511 is the same as the longitudinal direction of the water tank 53, so that the cleaning roller 511 can be abutted against the lower side of the outer peripheral surface of the guide belt 23 as the water tank 53 rises. The water tank 53 is also provided with a driving assembly at one end corresponding to the cleaning roller 511, and the driving assembly may adopt a gear motor transmission structure. In operation, the drive assembly drives the cleaning roller 511 to rotate, thereby cleaning the outer peripheral surface of the guide belt 23.
Referring to fig. 6, the axis direction of the spray pipe 512 is the same as the axis direction of the cleaning roller 511, and the spray head of the spray pipe 512 faces the guide belt 23, and one end of the spray pipe 512 extends out of the water tank 53 for connection with an external high-pressure water delivery device, so that the spray pipe 512 can spray water to the lower surface of the guide belt 23.
Referring to fig. 6, in order to further improve the cleaning effect of the guide belt 23, a cleaning roller 531 is rotatably provided in the water tank 53 corresponding to the cleaning unit 51 on the side near the feed of the guide belt 23, and the cleaning roller 531 and the cleaning roller 511 are identical in structure and parallel to each other, and the cleaning roller 531 is synchronously abutted against the peripheral surface of the guide belt 23 while the cleaning roller 511 is abutted against the peripheral surface of the guide belt 23. The cleaning roller 531 may further clean the peripheral surface of the guide belt 23 and reduce water stain residue on the peripheral surface of the guide belt 23.
Referring to fig. 6, the piece to be printed is disposed on the upper side of the guide belt 23, the conveying of the piece to be printed is realized through the guide belt 23, in the conveying process, the ink jet device performs ink jet on the piece to be printed, the coloring of the piece to be printed is realized, then the guide belt 23 continues to rotate, when the outer circumferential surface of the guide belt 23 rotates to the cleaning component position, the liquid jet pipe 512 firstly jets ink cleaning liquid to the outer circumferential surface of the guide belt 23, and then continues to rotate along with the guide belt 23, the cleaning roller 511 can clean the lower surface of the guide belt 23, so that the cleaning of the outer circumferential surface of the guide belt 23 is realized, when the guide belt 23 rotating for one circle carries out carpet carrying again, the phenomenon that residual pigment on the circumferential surface of the previous guide belt 23 is printed on a new carpet is avoided, and the coloring quality of the subsequent piece to be printed is ensured.
Referring to fig. 6, the drying assembly 52 includes a material placing frame 521 horizontally fixed between two wall plates 211, a fan 523 and a heating pipe 522 are sequentially disposed on the upper side of the material placing frame 521, the heating pipe 522 is disposed on one side of the fan 523 near the feeding belt 23, an air outlet of the fan 523 is disposed upward, and the heating pipe 522 may be an electrothermal pipe, and a protection net 524 is further disposed on the upper side of the material placing frame 521 to protect the fan 523 and the heating pipe 522.
Referring to fig. 6, the heating pipe 522 and the fan 523 are arranged in a matching manner, the fan 523 blows the waste heat emitted by the heating pipe 522 onto the conduction band 23, so that the internal circulation of hot air is realized, the conduction band 23 is accelerated to be dried, the heat efficiency is high, the energy is saved, the emission is reduced, the water stain residue is avoided, and the influence on the subsequent carpet coloring is avoided.
Referring to fig. 6, to further protect the drying apparatus and the operator, a shielding plate 28 is vertically fixed below the feed side of the support frame 21 corresponding to the guide belt 23 to shield the drying assembly 52.
The implementation of this embodiment is far from: before the piece to be printed is required to be colored, firstly, the transverse rail 41 is dropped onto the conveying surface of the conveying part 2, then, the positions of the positioning plates 43 are respectively adjusted to enable the positions of the positioning plates 43 to meet the requirements, then, the piece to be printed is placed on the upper side of the guide belt 23, the piece to be printed is placed between the positioning plates 43, one end of the piece to be printed is abutted against the transverse rail 41, the opposite sides of the piece to be printed are abutted against the positioning plates 43, positioning of the piece to be printed on the upper side of the conveying part 2 is completed, then, the transverse rail 41 is moved in the vertical direction, the transverse rail 41 is separated from the upper side of the conveying part 2, the piece to be printed is conveyed through the conveying part 2, and the piece to be printed is printed through the ink-jet printing part 3, and the positioning part 4 effectively realizes positioning of the piece to be printed on the upper side of the conveying part 2, the accuracy of the piece to be printed in the follow-up ink-jet mode is guaranteed, and the ink-jet quality is improved.
The to-be-printed piece is arranged on the upper side of the conduction band 23, the to-be-printed piece is conveyed through the conduction band 23, in the conveying process, the ink jet device jets ink to the to-be-printed piece, the to-be-printed piece is colored, then the conduction band 23 continuously rotates, when the outer peripheral surface of the conduction band 23 rotates to the cleaning part position, the liquid jet pipe 512 jets ink cleaning liquid to the outer peripheral surface of the conduction band 23 first, then continuously rotates along with the conduction band 23, the cleaning roller 511 can clean the lower surface of the conduction band 23, so that the cleaning of the outer peripheral surface of the conduction band 23 is realized, the peripheral surface of the conduction band 23 can be quickly dried through the cooperation of the heating pipe 522 and the fan 523, the water stain is prevented from remaining after the cleaning of the conduction band 23 is realized, and when the conduction band 23 which rotates for one circle is used for carrying the to-be-printed piece again, the residual pigment on the peripheral surface of the conduction band 23 is prevented from being printed to the new to be-printed piece, and the coloring quality of the subsequent to-be-printed piece is ensured.
To improve the accuracy of the conveying process of the guide belt 23 and reduce the offset during the conveying process of the guide belt 23, a deviation correcting component is further provided in another embodiment of the present application, which is described in further detail below.
Referring to fig. 6 and 7, the rectification assembly includes a detection unit 6 and a rectification unit 7.
Referring to fig. 6 and 7, the detection unit 6 employs a sensor such as a distance sensor or a photoelectric sensor. The detecting unit 6 is fixed to at least one side wall plate 211 of the supporting frame 21, and corresponds to a lower side edge position of the guide belt 23, and is used for detecting the lower side edge position of the guide belt 23 during the conveying process of the guide belt 23 so as to determine the offset degree during the conveying process of the guide belt 23.
Referring to fig. 6 and 7, the deviation rectifying unit 7 includes a deviation rectifying roller 71 and a deviation rectifying cylinder 72, the deviation rectifying roller 71 is disposed on the supporting frame 21 along a conveying direction perpendicular to the guiding belt 23, and is located between an upper side and a lower side of the guiding belt 23, that is, the guiding belt 23 is sleeved on an outer side of the deviation rectifying roller 71, and the deviation rectifying roller 71 can be abutted to an upper surface of a lower side of the guiding belt 23, one end of the deviation rectifying roller 71 is rotatably disposed on a wall plate 211 through a bearing, the other end of the deviation rectifying roller 71 is rotatably connected to a bearing seat 73, the bearing seat 73 is slidably connected to another wall plate 211 through a guide rail, a sliding direction of the bearing seat 73 and the conveying direction of the guiding belt 23 are horizontally disposed on one side of the wall plate 211 corresponding to the bearing seat 73, a cylinder body of the deviation rectifying cylinder 72 is hinged to the wall plate 211, and a telescopic rod of the deviation rectifying cylinder 72 is connected to the bearing seat 73 through a pin. The end of the deviation correcting roller 71 connected with the bearing block 73 can swing within a certain range along the horizontal direction through the action of the bearing block 73 and the bearing.
Referring to fig. 6 and 7, a controller is disposed in the deviation rectifying cylinder 72, and is configured to receive detection information sent by the detector, and control the telescopic cylinder of the deviation rectifying cylinder 72 to stretch out and draw back, and simultaneously, through the cooperation of the bearing seat 73 and the bearing, drive the deviation rectifying roller 71 to swing along the horizontal direction at one end of the bearing seat 73, so as to achieve deviation rectifying in the conveying process of the conduction band 23, and ensure the conveying precision of the conduction band 23.
Further, in order to improve the moisturizing effect of the inkjet head on the inkjet printing frame, the phenomenon that after the inkjet head stops working, the residual part is not scraped or ink drops blocked in the spray holes of the inkjet head are prevented from being solidified, and in another embodiment of the application, an atomization spray head can be further arranged in the moisturizing groove 34 and used for spraying towards the inkjet head within a certain time after the inkjet head stops spraying ink, so that the ink drops remained on the inkjet head are combined with the water mist and then drop, the spray holes of the inkjet head are cleaned, the phenomenon that the ink drops are solidified on the inkjet head is avoided, and the service life of the inkjet head is further prolonged. In order to improve the cleaning effect of ink drops, the atomizing nozzle can be used for heating the atomizing nozzle, and even if the atomizing nozzle sprays water mist with a certain temperature, the cleaning effect is improved.
In order to further increase the positioning of the tape inkjet on the upper side of the tape guide 23, the following can be provided in a further embodiment of the present application:
referring to fig. 8, a support roller 26 located on the feeding side of the ink jet printing part 3 near the guide belt 23 is rotatably provided with a reciprocating shaft 261, the reciprocating shaft 261 and the support roller 26 are coaxially arranged, a plurality of protruding needles 262 are distributed on the circumferential surface of the reciprocating shaft 261, one end of each protruding needle 262 is hinged to the reciprocating shaft 261, a plurality of outlet pinholes 263 are uniformly formed on the circumferential surface of the support roller 26, the other end of each protruding needle 262 extends to the outlet pinhole 263, and the protruding needles 262 can be protruded or contracted to the outlet pinholes 263 by rotating relative to the support roller 26 along with the reciprocating shaft 261. A reciprocating motor capable of driving the reciprocating shaft 261 to reciprocate is fixed in the support roller 26.
Referring to fig. 7, a plurality of through holes 231 are uniformly formed in the guide belt 23, and the protruding pins 262 can extend to the outer circumferential surface of the guide belt 23 through the through holes 231 as the support roller 26 rotates in synchronization with the guide belt 23.
Referring to fig. 7, after the piece to be printed is placed on the upper side of the guide belt 23, the support roller 26 can support the guide belt 23 along with the rotation of the guide belt 23, so as to improve the bearing capacity of the guide belt 23, and the protruding needle 262 on the peripheral surface of the support roller 26 can penetrate through the through hole 231 of the guide belt 23 to be pricked to the piece to be printed, so that the position of the piece to be printed on the upper side of the guide belt 23 is further fixed, the displacement of the piece to be printed is avoided, and the accuracy of ink jet is ensured. And since the reciprocating shaft 261 is disposed on the supporting roller 26 of the ink jet printing part 3 near the feeding side of the guide belt 23, the pigment is prevented from being ejected into the protruding needle 262 and the through hole 231 of the guide belt 23.
Referring to fig. 7, in addition, when the protruding needle 262 is not needed, the reciprocating shaft 261 is directly rotated relative to the supporting roller 26 to retract the protruding needle 262 into the supporting roller 26, and when the protruding needle 262 is needed, the reciprocating shaft 261 is rotated to extend the protruding needle 262 out of the needle hole 263, so that different requirements of use can be met.
Referring to fig. 7, each of the through holes 231 may also employ an elastically deformable hole that enables the protruding needle 262 to pass therethrough; and the elastically deformed hole is closed as the protruding needle 262 is separated from the elastically deformed hole. The through hole 231 that sets up is the elastic deformation hole, can realize that protruding needle 262 passes the elastic deformation hole when the conduction band 23 rotates with support roller 26, and when rotating with conduction band 23 and support roller, protruding needle 262 breaks away from the elastic deformation hole after, the elastic deformation hole will seal again to reduce the possibility of inclusion pigment in the through hole 231.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (7)

1. An inkjet printer, comprising:
a conveying member (2) for conveying a piece to be printed;
the ink-jet printing component (3) is arranged on the upper side of the conveying component (2) and is used for jetting ink to a piece to be printed;
a positioning part (4) for positioning the piece to be printed on the upper side of the conveying part (2), comprising:
a cross rail (41) which is vertically movable and is arranged above the conveying component (2) and is arranged along the conveying direction perpendicular to the conveying component (2);
a plurality of positioning plates (43) movably arranged on the transverse rail (41) along the length direction of the transverse rail (41), wherein the positioning plates (43) are arranged on the feeding side of the conveying component (2);
the conveying member (2) further includes: a support frame (21);
the conveying sleeve is rotatably arranged on the supporting frame (21) and is used for receiving the conduction band (23);
the detection unit is arranged on the supporting frame (21) and is used for detecting the rotation offset of the conduction band;
the deviation correcting roller (71) is rotatably arranged on the supporting frame (21) along the conveying direction perpendicular to the conduction band (23), one end of the deviation correcting roller (71) can horizontally swing, and the deviation correcting roller (71) can be abutted to the lower side of the conduction band (23);
the deviation correcting cylinder (72) is horizontally arranged on one side of the supporting frame (21) and is used for receiving the deviation of the detection unit (6) and driving the swingable end of the deviation correcting roller (71) to swing so as to drive the guide belt (23) to correct the deviation;
the supporting frame (21) is rotatably provided with a supporting roller (26), the supporting roller (26) and the axis direction of the conveying sleeve are the same, and the conduction band (23) is sleeved on the outer side of the supporting roller (26);
the circumference of the supporting roller (26) is provided with protruding needles (262), the conduction band (23) is provided with a plurality of through holes (231), the protruding needles (262) can extend to the circumference of the conduction band (23) through the through holes (231) along with the synchronous rotation of the supporting roller (26) and the conduction band (23); the peripheral surface of the supporting roller (26) is uniformly provided with pin holes (263) for penetrating the protruding pins (262);
a reciprocating shaft (261) is coaxially arranged in the supporting roller (26) in a rotating way, a plurality of protruding needles (262) are uniformly distributed on the peripheral surface of the reciprocating shaft (261), one end of each protruding needle (262) is hinged to the reciprocating shaft (261), and the other end of each protruding needle extends to a needle outlet hole (263);
the protruding needle (262) can be protruded or retracted to the needle outlet hole (263) along with the rotation of the reciprocating shaft (261) relative to the supporting roller (26).
2. Inkjet printer according to claim 1, characterized in that: the conveying part (2) comprises a conduction band (23);
the feeding end of the conduction band (23) is rotatably provided with a thread separating roller (272), the axial direction of the thread separating roller (272) is perpendicular to the conveying direction of the conduction band (23), and the thread separating roller (272) is symmetrically provided with two thread sections by taking the central part of the axial line of the thread separating roller as the center.
3. Inkjet printer according to claim 2, characterized in that: the underside of the conduction band (23) is provided with a cleaning assembly (51), the cleaning assembly (51) comprising:
a cleaning roller (511) which is horizontally arranged and is arranged along the conveying direction perpendicular to the conduction band (23) and can be abutted against the lower side of the peripheral surface of the conduction band (23);
the liquid spraying pipe (512) can spray liquid towards the lower side of the outer peripheral surface of the conduction band (23), and the liquid spraying pipe (512) is arranged on the feeding side of the cleaning roller (511) away from the conduction band (23).
4. An inkjet printer according to claim 3 wherein: the lower side of the conduction band (23) is also provided with a drying component (52), and the drying component (52) is positioned on the feeding side of the cleaning component (51) close to the conduction band (23);
the drying assembly (52) comprises a fan (523) and a heating pipe (522) which are sequentially arranged along the conveying direction of the conduction band (23), and a blowing port of the fan (523) faces the conduction band (23).
5. An inkjet printer according to claim 3 wherein: a water tank (53) is arranged at the lower side of the conduction band (23) and is used for receiving the cleaning assembly (51);
the cleaning assemblies (51) are arranged on the plurality of water tanks (53), and the plurality of cleaning assemblies (51) are arranged along the conveying direction of the conduction band (23).
6. An inkjet printer according to claim 5 wherein: the downside of basin (53) is provided with lifting unit (54), lifting unit (54) include:
a plurality of lifting cylinders (541) vertically arranged on both sides of the conveyance direction of the guide belt (23);
the water tank (53) slides in the bearing slide rail (542) along the conveying direction of the guide belt (23), slides along with the water tank (53), and can drive the cleaning assembly (51) to at least partially move out of the area below the guide belt (23).
7. Inkjet printing machine according to claim 3, characterized in that the inkjet printing unit (3) comprises:
an inkjet printing frame (32) movably arranged above the conduction band (23) along a conveying direction perpendicular to the conduction band (23), wherein the inkjet printing frame (32) is provided with an inkjet head facing the conduction band (23);
the moisturizing groove (34) is arranged on one side of the conduction band (23) and moves along with the ink jet printing frame (32), the ink jet head can be positioned on the upper side of the moisturizing groove (34), and a scraping blade (342) is movably arranged in the moisturizing groove (34) and used for scraping ink drops of the ink jet head.
CN202211241840.8A 2022-10-11 2022-10-11 Ink jet printing machine Active CN115476598B (en)

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