CN111976293A - Book and periodical printing machine - Google Patents
Book and periodical printing machine Download PDFInfo
- Publication number
- CN111976293A CN111976293A CN202010894331.XA CN202010894331A CN111976293A CN 111976293 A CN111976293 A CN 111976293A CN 202010894331 A CN202010894331 A CN 202010894331A CN 111976293 A CN111976293 A CN 111976293A
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- CN
- China
- Prior art keywords
- plate
- frame
- ink
- book
- printing machine
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- Legal status (The legal status 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 status listed.)
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Classifications
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- 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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
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- 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
- B41J11/0005—Curl smoothing, i.e. smoothing down corrugated printing material, e.g. by pressing means acting on wrinkled printing material
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- 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
- B41J11/0015—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 for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
- B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
-
- 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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
-
- 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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/18—Ink recirculation systems
- B41J2/185—Ink-collectors; Ink-catchers
Landscapes
- Ink Jet (AREA)
Abstract
The invention discloses a book and periodical printing machine, which structurally comprises a printing mechanism, a base, a control panel and an operating platform, wherein the control panel is arranged at the front end of the operating platform, the operating platform is embedded at the upper end of the base, the printing mechanism is movably clamped with the operating platform, the lower pressing plate can slide downwards along a frame body by virtue of thrust generated by ink sprayed from the interior of an ink gun to the lower pressing plate, so that the lower pressing plate can downwards extrude airflow between the lower pressing plate and a bearing plate through a ventilation opening, the printing paper can be blown flat by the airflow between the ventilation openings, the condition that the ink on the printing paper can be scraped by the bottom of the ink gun is effectively avoided, a telescopic block losing the thrust of the sprayed ink can be pushed to extend outwards along the frame by virtue of a rebound spring, the telescopic block can block the ink on the inner wall of the frame body, and the ink gun is effectively prevented from stopping ink spraying, ink remaining on the inner wall of the frame may drip onto printing paper.
Description
Technical Field
The invention relates to the field of printing, in particular to a book and periodical printing machine.
Background
The book and periodical printing machine is mainly used for printing electronic data on printing paper to form a book and periodical, and the control device is connected with the book and periodical printing machine, so that the data can be ejected in an ink-jet manner through the book and periodical printing machine, the designated content can be ejected on the printing paper, and a large amount of printing can be performed, and based on the above description, the inventor finds that the existing book and periodical printing machine mainly has the following defects, for example:
because the paper with smooth outer surface absorbs water not strongly, the book printer sprays ink on the surface of the paper, and performs retrace ink jet at the ink jet position, the paper ink jet position is easily sucked up by the air flow generated by the back and forth sweeping, so that the convex part of the paper can be contacted with the ink jet head, and the ink which is not air dried can be scraped by the ink jet head.
Disclosure of Invention
In order to solve the problems, the invention provides a book and periodical printing machine.
In order to achieve the purpose, the invention is realized by the following technical scheme: a book and periodical printing machine structurally comprises a printing mechanism, a base, a control panel and an operating platform, wherein the control panel is installed at the front end of the operating platform, the operating platform is embedded and fixed at the upper end of the base, and the printing mechanism is movably clamped with the operating platform; the printing mechanism comprises a top plate, a connecting frame and an ink gun, wherein the connecting frame is fixedly embedded at the left side and the right side of the top plate, and the ink gun is movably clamped at the bottom of the top plate.
As a further optimization of the invention, the ink jet head comprises a lower pressing plate, an elastic sheet, a vent hole, a blocking mechanism, a bearing plate and a frame body, wherein the lower pressing plate is movably clamped with the frame body, the elastic sheet is installed between the lower pressing plate and the bearing plate, the vent hole and the bearing plate are of an integrated structure, the blocking mechanism is fixed at the bottom position of the frame body, the bearing plate is embedded and fixed at the outer side position of the frame body, and the two lower pressing plates are uniformly and symmetrically distributed at the left side and the right side of the frame body.
As a further optimization of the invention, the ventilation port comprises a stress plate, a middle fixing plate, a downward extending frame and an outer frame, the stress plate is movably clamped at the top of the middle fixing plate, the middle fixing plate and the outer frame are of an integrated structure, the downward extending frame is in clearance fit with the middle fixing plate, two stress plates are arranged, and the two stress plates are uniformly and symmetrically distributed at the bottom of the middle fixing plate.
As a further optimization of the invention, the downward extending frame comprises a connecting rod, a fixed rod, an elastic strip and two flow increasing plates, wherein the fixed rod and the connecting rod are of an integrated structure, the elastic strip is embedded between the flow increasing plates and the fixed rod, the flow increasing plates are movably clamped with the bottom of the connecting rod, and the two flow increasing plates are uniformly and symmetrically distributed at the bottom of the connecting rod.
In a further preferred embodiment of the present invention, the blocking mechanism includes a frame, a telescopic block movably engaged with the frame, and a resilient piece fitted between the telescopic block and the frame, and the telescopic block is retracted inward along the frame by a downward pushing force of the ejected ink on the telescopic block.
As a further optimization of the invention, the telescopic block comprises a settling plate, a limiting block, an elastic frame and a plate body, the settling plate is movably clamped with the elastic frame, the limiting block and the elastic frame are of an integrated structure, the elastic frame is arranged at the left side position of the inner wall of the plate body, and the settling plate can be contracted downwards through pressure generated by ink on the settling plate.
As a further optimization of the invention, the settlement plate comprises eight compound swinging plates, eight soft sheets and a bottoming plate, wherein the compound swinging plates are hinged with the bottoming plate, the soft sheets and the compound swinging plates are of an integrated structure, and the eight compound swinging plates are uniformly distributed on the bottoming plate in parallel.
The invention has the following beneficial effects:
1. thrust that produces through the inside spun ink of ink gun to the holding down plate can make the holding down plate slide down along the framework to make the holding down plate can extrude the air current between holding down plate and the accepting board through ventilative mouthful downwards, thereby make the air current between the ventilative mouthful can blow printing paper and blow to tie, effectually avoided printing the ink on the printer paper can be scraped the condition of flower by the bottom of ink gun.
2. The telescopic block which loses the thrust of the ejected ink can be pushed to extend outwards along the frame through the rebound piece, so that the telescopic block can block the ink on the inner wall of the frame body, and the situation that the ink remained on the inner wall of the frame body can drip on printing paper when the ink gun stops ink jet is effectively avoided.
Drawings
Fig. 1 is a schematic structural diagram of a book and periodical printing machine according to the present invention.
FIG. 2 is a front half-sectional view of a printing mechanism according to the present invention.
FIG. 3 is a front half-sectional view of an inkjet printhead according to the present invention.
Fig. 4 is a front view of a half section of the ventilation port of the present invention.
FIG. 5 is a front half-section schematic view of the lower frame of the present invention.
FIG. 6 is a schematic structural diagram of a front cross section of the blocking mechanism of the present invention.
Fig. 7 is a front half-section structural schematic diagram of the telescopic block of the present invention.
Fig. 8 is a schematic structural view of a front half section of the settling plate of the present invention.
In the figure: printing mechanism-1, base-2, control panel-3, operation panel-4, overhead board-11, linking frame-12, ink jet head-13, lower pressing board-a 1, elastic sheet-a 2, ventilation port-a 3, blocking mechanism-a 4, bearing board-a 5, frame-a 6, stress board-a 31, middle fixing board-a 32, lower stretching frame-a 33, outer frame-a 34, connecting rod-b 1, fixing rod-b 2, elastic strip-b 3, flow increasing board-b 4, frame-c 1, telescopic block-c 2, rebound sheet-c 3, settling board-c 21, limiting block-c 22, elastic frame-c 23, plate-c 24, compound pendulum board-d 1, soft sheet-d 2 and bottoming board-d 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-5:
the invention provides a book and periodical printing machine, which structurally comprises a printing mechanism 1, a base 2, a control panel 3 and an operating platform 4, wherein the control panel 3 is installed at the front end position of the operating platform 4, the operating platform 4 is embedded and fixed at the upper end position of the base 2, and the printing mechanism 1 is movably clamped with the operating platform 4; the printing mechanism 1 comprises a top plate 11, a connecting frame 12 and an ink jet head 13, wherein the connecting frame 12 is embedded and fixed at the left side and the right side of the top plate 11, and the ink jet head 13 is movably clamped at the bottom of the top plate 11.
The ink jet head 13 includes a lower plate a1, an elastic piece a2, a vent port a3, a stopper mechanism a4, a receiving plate a5, and a frame a6, wherein the lower plate a1 is movably engaged with the frame a6, the elastic piece a2 is mounted between a lower plate a1 and the receiving plate a5, the vent port a3 and the receiving plate a5 are integrally configured, the stopper mechanism a4 is fixed to the bottom of the frame a6, the receiving plate a5 is fixed to the outer side of the frame a6, two lower plates a1 are provided and uniformly distributed symmetrically on both the left and right sides of the frame a6, and the lower plate a1 can be lowered along the frame a6 by the thrust generated by the ejected ink against the lower plate a 1.
The ventilation port a3 comprises a force-bearing plate a31, a middle fixing plate a32, a lower extension frame a33 and an outer frame a34, wherein the force-bearing plate a31 is movably clamped at the top of the middle fixing plate a32, the middle fixing plate a32 and the outer frame a34 are in an integrated structure, the lower extension frame a33 and the middle fixing plate a32 are in clearance fit, two force-bearing plates a31 are arranged and are uniformly and symmetrically distributed at the bottom of the middle fixing plate a32, and the force-bearing plates a31 can be contracted towards the middle part along the middle fixing plate a32 by the extrusion of water flow on the force-bearing plates a31, so that the water flow can be discharged through a gap between the force-bearing plates a31 and the inner wall of the outer frame a 34.
The downward-extending frame a33 comprises a connecting rod b1, a fixing rod b2, an elastic strip b3 and a flow increasing plate b4, the fixing rod b2 and the connecting rod b1 are of an integrated structure, the elastic strip b3 is embedded between the flow increasing plate b4 and the fixing rod b2, the flow increasing plate b4 is movably clamped with the bottom of the connecting rod b1, the two flow increasing plates b4 are arranged and are uniformly and symmetrically distributed at the bottom of the connecting rod b1, the flow increasing plate b4 can be unfolded outwards through rotation of the mechanism, and downward air flow can be generated.
The detailed use method and action of the embodiment are as follows:
in the invention, because the paper with smooth outer surface absorbs water not strongly, so that the ink jet head 13 jets ink on the surface of the paper and performs ink jet in a reciprocating manner at the ink jet position, the ink jet position of the paper is easy to be sucked up by the air flow generated by the reciprocating movement, so that the raised position of the paper is contacted with the ink jet head 13, and the ink which is not dried is scraped by the ink jet head 13, the problems can be effectively solved by the lower pressure plate a1 on the ink jet head 13, the lower pressure plate a1 can slide downwards along the frame a6 by the thrust of the ink jetted from the interior of the ink jet head 13 to the lower pressure plate a1, so that the lower pressure plate a1 can downwards extrude the air flow between the lower pressure plate a1 and the bearing plate a5 through the ventilation port a3, and the thrust of the air flow to the bearing plate a31 can make the bearing plate a31 slide towards the middle part along the middle fixing plate a32, so that the lower stretching frame a33 can slide downwards along the middle fixing plate a32, when the downward-extending frame a33 slides to the extreme, the connecting rod b1 can be pushed by air flow to rotate at the bottom of the middle fixing plate a32, so that the flow increasing plate b4 can be expanded outwards, and the flow increasing plate b4 can rotate to generate stronger air flow, so that the printing paper can be blown flat by the air flow generated by the flow increasing plate b4, and the situation that ink on the printing paper is scraped by the bottom of the ink-jet head 13 is effectively avoided.
Example 2
As shown in fig. 6-8:
the blocking mechanism a4 comprises a frame c1, a telescopic block c2 and a rebound piece c3, wherein the telescopic block c2 is movably clamped with the frame c1, the rebound piece c3 is embedded between the telescopic block c2 and the frame c1, downward thrust is generated on the telescopic block c2 through sprayed ink, the telescopic block c2 can be contracted inwards along the frame c1, and the rebound piece c3 can push the telescopic block c2 which is not squeezed to extend outwards.
The telescopic block c2 includes a settling plate c21, a stopper c22, an elastic frame c23 and a plate c24, the settling plate c21 is movably engaged with the elastic frame c23, the stopper c22 and the elastic frame c23 are integrated, the elastic frame c23 is mounted at the left side of the inner wall of the plate c24, the settling plate c21 can be contracted downwards by the pressure of ink on the settling plate c21, and the ink can be collected in a space generated by the height difference between the settling plate c21 and the plate c 24.
The settling plate c21 comprises a double pendulum plate d1, a soft sheet d2 and a bottom plate d3, the double pendulum plate d1 is hinged to the bottom plate d3, the soft sheet d2 and the double pendulum plate d1 are of an integrated structure, the number of the double pendulum plates d1 is eight, the double pendulum plates are uniformly distributed on the bottom plate d3 in parallel, and air flow generated by swinging of the soft sheet d2 on the double pendulum plate d1 can dry ink.
The detailed use method and action of the embodiment are as follows:
in the present invention, since the ink remains on the inner wall of the frame a6 when the inkjet head 13 stops ejecting ink, and the ink remaining on the inner wall of the frame a6 drops downward onto the paper, the retractable block c2 on the blocking mechanism a4 can effectively solve the above problem, the ink ejected outward from the inkjet head 13 can be pushed by the retractable block c2 to retract the retractable block c2 inward, so that the ink inside the inkjet head 13 can be ejected normally, and the retractable block c2 which loses the thrust of the ejected ink can be pushed by the resilient piece c3 to extend outward along the frame c1, so that the retractable block c2 can block the ink on the inner wall of the frame a6, and the blocked ink can generate downward pressure on the settling plate c21 to generate a height difference between the settling plate c21 and the plate c24, so that the space generated by the height difference between the settling plate c21 and the plate c24 can collect the ink, and the thrust generated to the compound pendulum plate d1 by the ink can make the compound pendulum plate d1 swing along the bottom beating plate d3, thereby making the film d2 swing repeatedly, so that the ink between the two compound pendulum plates d1 can be air-dried, and the situation that the ink remained on the inner wall of the frame a6 can drop on the printing paper when the ink jet head 13 stops jetting ink is effectively avoided.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (7)
1. The utility model provides a books and periodicals printing machine, its structure includes printing mechanism (1), base (2), control panel (3), operation panel (4), control panel (3) are installed in the front end position of operation panel (4), operation panel (4) are inlayed and are fixed in the upper end position of base (2), its characterized in that: the printing mechanism (1) is movably clamped with the operating table (4);
the printing mechanism (1) comprises a top plate (11), a connecting frame (12) and an ink-jet head (13), wherein the connecting frame (12) is embedded in the left side and the right side of the top plate (11), and the ink-jet head (13) is movably clamped at the bottom position of the top plate (11).
2. The book and periodical printing machine according to claim 1, wherein: the ink jet head (13) comprises a lower pressure plate (a1), an elastic sheet (a2), a ventilation opening (a3), a blocking mechanism (a4), a bearing plate (a5) and a frame body (a6), wherein the lower pressure plate (a1) is movably clamped with the frame body (a6), the elastic sheet (a2) is installed between a lower pressure plate (a1) and the bearing plate (a5), the ventilation opening (a3) and the bearing plate (a5) are of an integrated structure, the blocking mechanism (a4) is fixed at the bottom position of the frame body (a6), and the bearing plate (a5) is embedded at the outer side position of the frame body (a 6).
3. The book and periodical printing machine according to claim 2, wherein: the ventilation port (a3) comprises a stress plate (a31), a middle fixing plate (a32), a lower extension frame (a33) and an outer frame (a34), wherein the stress plate (a31) is movably clamped at the top of the middle fixing plate (a32), the middle fixing plate (a32) and the outer frame (a34) are of an integrated structure, and the lower extension frame (a33) and the middle fixing plate (a32) are in clearance fit.
4. A book and periodical printing machine according to claim 3, wherein: the downward-extending frame (a33) comprises a connecting rod (b1), a fixing rod (b2), an elastic strip (b3) and a flow increasing plate (b4), the fixing rod (b2) and the connecting rod (b1) are of an integrated structure, the elastic strip (b3) is embedded between the flow increasing plate (b4) and the fixing rod (b2), and the flow increasing plate (b4) is movably clamped with the bottom of the connecting rod (b 1).
5. The book and periodical printing machine according to claim 2, wherein: the blocking mechanism (a4) comprises a frame (c1), a telescopic block (c2) and a rebound piece (c3), wherein the telescopic block (c2) is movably clamped with the frame (c1), and the rebound piece (c3) is embedded and fixed between the telescopic block (c2) and the frame (c 1).
6. The book and periodical printing machine according to claim 5, wherein: the telescopic block (c2) comprises a settling plate (c21), a limiting block (c22), an elastic frame (c23) and a plate body (c24), wherein the settling plate (c21) is movably clamped with the elastic frame (c23), the limiting block (c22) and the elastic frame (c23) are of an integrated structure, and the elastic frame (c23) is installed at the left position of the inner wall of the plate body (c 24).
7. The book and periodical printing machine according to claim 6, wherein: the settlement plate (c21) comprises a secondary swing plate (d1), a soft sheet (d2) and a bottom plate (d3), the secondary swing plate (d1) is hinged with the bottom plate (d3), and the soft sheet (d2) and the secondary swing plate (d1) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010894331.XA CN111976293A (en) | 2020-08-31 | 2020-08-31 | Book and periodical printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010894331.XA CN111976293A (en) | 2020-08-31 | 2020-08-31 | Book and periodical printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111976293A true CN111976293A (en) | 2020-11-24 |
Family
ID=73440866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010894331.XA Withdrawn CN111976293A (en) | 2020-08-31 | 2020-08-31 | Book and periodical printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111976293A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114407538A (en) * | 2022-02-17 | 2022-04-29 | 罗勇 | Intelligent printing machine based on big data |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1438940A (en) * | 2000-05-15 | 2003-08-27 | 惠普公司 | Inkjet printing with air current disruption |
| CN106604822A (en) * | 2014-06-27 | 2017-04-26 | 富士胶卷迪马蒂克斯股份有限公司 | High height ink jet printing |
| CN106915158A (en) * | 2016-06-01 | 2017-07-04 | 广东聚华印刷显示技术有限公司 | Printing system and method |
| CN109703192A (en) * | 2018-12-08 | 2019-05-03 | 东莞市图创智能制造有限公司 | Printer and its inkjet printing methods |
| CN209534481U (en) * | 2018-12-08 | 2019-10-25 | 东莞市图创智能制造有限公司 | Printing equipment |
| CN110525055A (en) * | 2019-09-26 | 2019-12-03 | 合肥京东方卓印科技有限公司 | Inkjet-printing device |
-
2020
- 2020-08-31 CN CN202010894331.XA patent/CN111976293A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1438940A (en) * | 2000-05-15 | 2003-08-27 | 惠普公司 | Inkjet printing with air current disruption |
| CN106604822A (en) * | 2014-06-27 | 2017-04-26 | 富士胶卷迪马蒂克斯股份有限公司 | High height ink jet printing |
| CN106915158A (en) * | 2016-06-01 | 2017-07-04 | 广东聚华印刷显示技术有限公司 | Printing system and method |
| CN109703192A (en) * | 2018-12-08 | 2019-05-03 | 东莞市图创智能制造有限公司 | Printer and its inkjet printing methods |
| CN209534481U (en) * | 2018-12-08 | 2019-10-25 | 东莞市图创智能制造有限公司 | Printing equipment |
| CN110525055A (en) * | 2019-09-26 | 2019-12-03 | 合肥京东方卓印科技有限公司 | Inkjet-printing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114407538A (en) * | 2022-02-17 | 2022-04-29 | 罗勇 | Intelligent printing machine based on big data |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201124 |