CN111055587A - Printing device - Google Patents

Printing device Download PDF

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Publication number
CN111055587A
CN111055587A CN201911355364.0A CN201911355364A CN111055587A CN 111055587 A CN111055587 A CN 111055587A CN 201911355364 A CN201911355364 A CN 201911355364A CN 111055587 A CN111055587 A CN 111055587A
Authority
CN
China
Prior art keywords
frame
pressing
printing
lifting
plate
Prior art date
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.)
Pending
Application number
CN201911355364.0A
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Chinese (zh)
Inventor
周士勇
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.)
Zhejiang Cainuo Digital Technology Co ltd
Original Assignee
Zhejiang Cainuo Digital Technology 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.)
Filing date
Publication date
Application filed by Zhejiang Cainuo Digital Technology Co ltd filed Critical Zhejiang Cainuo Digital Technology Co ltd
Priority to CN201911355364.0A priority Critical patent/CN111055587A/en
Publication of CN111055587A publication Critical patent/CN111055587A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F15/00Screen printers
    • B41F15/08Machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F15/00Screen printers
    • B41F15/14Details

Abstract

The invention discloses a printing device which is arranged above a workbench and comprises a main frame, a moving mechanism, a printing frame and two lifting mechanisms, wherein the main frame is fixedly arranged on one side above the workbench, the moving mechanism can reciprocate back and forth along the main frame, the moving mechanism is provided with two printing lifting cylinders for driving two printing scraping blades to lift and move, the lifting mechanisms are respectively fixed at the front end and the rear end of the printing frame, and the two lifting mechanisms are respectively fixed at the front end and the rear end of the main frame and can drive the printing frame to lift and move. The invention has the beneficial effect that the printing effect can be ensured by pressing the printing plate better.

Description

Printing device
Technical Field
The invention relates to a printing device, which is mainly applied to the technical field of printing equipment.
Background
At present, screen printing is widely applied to various printed matters, and the screen printing comprises five major elements, namely a printing plate, a scraper, paint and a printing table. The printing plate prints by the basic principle that the hollow pattern can penetrate through the coating and the non-image-text part cannot penetrate through the coating. When in printing, paint is poured into one end of the screen printing plate, a scraper plate is used for applying certain pressure to the ink part on the screen printing plate, meanwhile, the paint moves towards the other end of the screen printing plate at a constant speed, and the paint is extruded onto a printed matter from meshes of the image-text part by the scraper plate in the moving process. At present, the printing frame and the printing plate of this type of printing machine set up as an organic whole, press printing frame and printing plate to carry out the printing behind the printed matter through setting up the swing arm, if the printed matter is the non-plane, inhomogeneous condition appears easily to the effort of printed matter in the printing plate to thereby lead to the local overstock of printed matter to warp and lead to the problem that the printed pattern appears out of shape, also do not have better fixed position to the loading board that bears the printed matter simultaneously, the problem that the dislocation skew takes place for the loading board position appears easily.
Disclosure of Invention
The invention aims to provide a printing device which can well press a printing plate to ensure the printing effect.
The invention is realized by the following technical scheme.
The utility model provides a printing device, sets up the workstation top, it includes body frame, moving mechanism, printing frame, two elevating system, the body frame is fixed to be set up in workstation top one side, moving mechanism can follow reciprocating motion around the body frame, moving mechanism is provided with two printing lift cylinders and drives two printing doctor-bars elevating system, front end, the rear end of printing frame is fixed respectively elevating system, two elevating system fixes respectively the front end and the rear end of body frame and can drive printing frame elevating system.
Furthermore, frame arms extending to the middle of the front end and the rear end of the workbench are arranged at the front end and the rear end of the main frame, the lifting mechanism comprises a lifting cylinder, two lifting guide pillars, a lifting connecting plate and two connecting seats, the lifting cylinder is fixed on the upper surface of the frame arms, a piston rod of the lifting cylinder is vertically arranged, the top end of the piston rod of the lifting cylinder is vertically fixed on the lifting connecting plate, the two lifting guide pillars vertically slide to penetrate through the frame arms, the top ends of the two lifting guide pillars are respectively and fixedly connected to the two ends of the lifting connecting plate, the bottom ends of the two lifting guide pillars are respectively and fixedly.
Furthermore, the bottom end of the lifting guide pillar is provided with a hinge piece, and the hinge piece is arranged inside the connecting seat and hinged with the connecting seat.
Furthermore, a pressing frame is connected between the two side frames of the printing frame and provided with a pressing frame top plate and a pressing frame bottom plate which are horizontally arranged, at least two pressing frame cylinders are fixedly arranged on the pressing frame top plate, piston rods of the pressing frame cylinders are vertically arranged, and pressing pieces are arranged at the bottom ends of the pressing frame cylinders and used for pressing the upper surface of the pressing frame bottom plate.
Furthermore, a through hole is formed in the pressing frame base plate corresponding to the pressing position of the pressing piece, the bottom surface of the pressing piece is provided with an opening, a vertical pressing rod is arranged in the pressing piece and extends out of the opening in the bottom, and the pressing rod can penetrate into the through hole in a sliding mode.
Further, the pressure frame top plate is located two the both sides of pressure frame cylinder run through respectively and are provided with the screwed pipe, the screwed pipe slides and passes there is vertical threaded rod, the knob is installed on the top of threaded rod, the bottom of threaded rod is provided with the pressure disk, the pressure disk compresses tightly the pressure frame bottom plate.
Furthermore, two ends of the two pressing frames are slidably assembled on the two side frames, the pressing frames can slide along the front and back direction, the front frame/the rear frame are provided with adjusting cylinders, and piston rods of the adjusting cylinders are respectively connected to the two pressing frames.
The invention has the beneficial effects that:
with the independent setting of printing frame, suppress the printing plate with the lift mode through elevating system, it is better to compare prior art by pressing the cooperation suppression effect of frame, presses the printing plate of the adjustable adaptable all kinds of sizes in position of frame simultaneously, has obtained better printing effect.
Drawings
FIG. 1 is a schematic view of the overall construction of a printing press;
FIG. 2 is a schematic view of a printer gantry;
FIG. 3 is an enlarged partial schematic view of a printer gantry;
FIG. 4 is a side view of the lift shaft and lift bracket;
FIG. 5 is a schematic view of a positioning plate and its related components;
FIG. 6 is a schematic structural view of the positioning mechanism;
FIG. 7 is a schematic view of a printing apparatus;
FIG. 8 is a schematic structural view of the lifting mechanism;
FIG. 9 is a schematic top view of a print frame;
fig. 10 is a schematic structural view of the pressing frame.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples.
Referring to fig. 1-10, a printing press includes a press bed and a printing unit.
The printing machine rack comprises a workbench 10, two transmission shafts 11, two lifting shafts 12, two conveying belts 13, a bearing plate 16 and two transition shafts 14, wherein fixing plates 15 are fixedly arranged on two sides of the front end and the rear end of the workbench 10, the two fixing plates 15 are used as mounting parts of the transmission shafts 11 and the transition shafts 14, two ports of the two transmission shafts 11 are respectively and vertically connected and mounted at the positions, close to the front edge and the rear edge of the workbench 10, of the fixing plates 15, horizontal sliding grooves 151 are arranged at the mounting positions of the transmission shafts 11 on the fixing plates 15, two ports of the transmission shafts 11 are slidably arranged in the sliding grooves 151, the two transmission shafts 11 are positioned at the front end and the rear end of the workbench 10, two ends of the transmission shafts 11 are provided with transmission wheels 111 and are respectively sleeved on the conveying belts 13, two ports of the two transition shafts 14 are respectively and vertically connected and mounted on the fixing plates 15, the fixing plate 15 is provided with bearings 142 at the connecting and mounting positions for mounting two ports of the transition shaft 14, two ends of the transition shaft 14 are provided with transmission wheels 141 for transmitting the conveying belts 13 located below, the lifting shaft 12 is located between the two transmission shafts 11, two ends of the lifting shaft 12 are provided with transmission wheels 121 for transmitting the conveying belts 13 located above, the two conveying belts 13 are used for transmitting the bearing plate 16, the printed matter is placed on the surface of the bearing plate 16, the screen printing plate is placed on the surface of the printed matter, the lifting shaft 12 can be lifted in the vertical direction and lift the conveying belts 13 located above, and one of the transmission shafts 11 is driven by a driving motor. After the previous process is completed, the bearing plate 16 bearing the printed matter needs to be conveyed to a printing position, the two lifting shafts 12 are lifted firstly, then the driving motor drives the transmission shafts 11, the two lifting shafts 12 reset after the bearing plate 16 is moved to the printing position by the conveying belt 13, and when the lifting shafts 12 are lifted, the two transmission shafts 11 can slide in the sliding groove 151 according to the lifting height of the sliding positions, so that the excessive tension and the excessive tensioning of the conveying belt 13 are avoided, and the problem of stretching deformation after long-term use is also avoided.
Between the two fixing plates 15 on the same side of the worktable 10, a connecting plate 17 is connected, the connecting plate 17 has a long groove 170 with an upward opening and arranged along the length direction of the connecting plate 17, and when the lifting shaft 12 does not lift the conveyor belt 13, the conveyor belt 13 is positioned in the long groove 170. For the lifting shaft 12, a lifting frame 122 and two lifting cylinders 123 are provided as related structures for lifting, the lifting frame 122 is a plate-shaped structure perpendicular to the fixing plate 15 and located below the lifting shaft 12, bearings 124 are installed at two ends of the lifting frame, two ports of the lifting shaft 12 are respectively installed on the two bearings 124 of the lifting frame 122, the two lifting cylinders 123 are fixedly installed on the worktable 10, piston rods of the two lifting cylinders 123 are vertically arranged, and top ends of the two lifting cylinders 123 are fixedly connected to the bottom of the lifting frame 122, it is obvious that in order to ensure stable and stable driving of the lifting shaft 12, the two lifting cylinders 123 are symmetrically arranged on the lifting frame 122, and in order to further enhance the lifting stability of the lifting frame 122 and the lifting shaft 12, two hollow cylinder seats 125 are fixedly provided on the worktable 10, the barrel holder 125 is vertically arranged, and a connecting barrel 126 capable of sliding axially along the barrel holder 125 is provided, the top of the connecting barrel 126 is fixedly connected to the bottom of the lifting frame 122, and the two barrel holders 125 are located on two sides of the two lifting cylinders 123 and are also symmetrically arranged with respect to the lifting frame 122.
The long groove 170 of the connecting plate 17 is provided with a mounting bar 171, the mounting bar 171 is used for bearing the conveyor belt 13 located above, so that the top surface of the mounting bar 171 has an arc-shaped groove along the length direction thereof, the conveyor belt 13 is arranged in the arc-shaped groove, two ends of the mounting bar 171 are respectively and fixedly connected to the two lifting frames 122, when the lifting shaft 12 is lifted, the mounting bar 171 and the conveyor belt 13 leave the long groove 170, and the lifted conveyor belt 13 is stabilized by the mounting bar 171, so that the conveying state of the bearing plate 16 is stabilized without shaking.
The carrier 16 needs to be fixed at the printing position, and the front edge and the rear edge of the carrier are positioned and locked at the position, so that the carrier 16 and the printed matter are in a stable state in the printing state. A positioning lifting cylinder 21 is fixed at the front part of the workbench 10, a piston rod of the positioning lifting cylinder 21 is vertically arranged, a horizontally arranged connecting piece 22 is fixed at the top end, a horizontal positioning plate 23 is fixedly installed on the top surface of the connecting piece 22, the positioning plate 23 is lifted to abut against the rear edge of the bearing plate 16, guide pillars 24 are arranged at the left side and the right side of the positioning lifting cylinder 21 in order to improve the lifting state stability of the positioning plate 23, and the tops of the guide pillars 24 are fixedly connected to the connecting piece 22. The front part of the workbench 10 is provided with two positioning mechanisms which are bilaterally symmetrical. The positioning mechanism comprises a positioning seat 31, a positioning frame 32, a positioning column 33 and a positioning translation cylinder 34, wherein the positioning seat 31 is fixed on the workbench 10, the top surface of the positioning seat is provided with a slide rail 311 and the positioning frame 32 is slidably mounted, the positioning translation cylinder 34 is fixed on the positioning frame 32, a piston rod of the positioning translation cylinder is horizontally connected to the side part of the positioning frame 32, the positioning column 33 is vertically arranged and fixed on the top part of the positioning frame 32, and the positioning column 33 is used for abutting against the front edge of the bearing plate 16 after being transversely moved. After the bearing plate 16 moves to the printing position, the positioning lifting cylinder 21 drives the positioning plate 23 to rise, a certain gap is formed between the rear edge of the bearing plate 16 and the positioning plate 23, then the positioning translation cylinders 34 of the two positioning mechanisms drive the positioning columns 33 to approach the front edge of the bearing plate 16, and after the positioning translation cylinders are attached tightly, the bearing plate 16 is pushed backwards until the rear edge of the bearing plate 16 is attached tightly to the positioning plate 23. On the one hand, if the front edge/rear edge of the carrying plate 16 has a certain deviation, the position of the carrying plate 16 can be corrected by the two positioning mechanisms, on the other hand, because the carrying plate 16 is conveyed by the conveying belt 13, the conveying belt 13 is easy to deform to a certain extent for a long time, so that the conveying position of the carrying plate 16 has a certain deviation, and the two positioning mechanisms can also solve the problem by pushing the carrying plate 16 to position.
The end face of the connecting plate 17 facing the outside of the workbench 10 is provided with two notches 10-A, the positioning mechanism is arranged at the notch 10-A, and the positioning column 33 of the positioning mechanism can transversely move to the notches from the outside of the connecting plate 17 and is used for abutting against the side edges of the bearing plate 16. The positioning mechanisms for positioning the side edges and the front edge of the print frame 44 have the same structure, and only the direction setting is different, so the positioning mechanisms for positioning the side edges are not described in detail herein. Through setting up breach and positioning mechanism, make behind the location of contralateral margin on the one hand four borders of loading board 16 are all positioned for the stable shake or the drunkenness that can not appear in the printing in-process position of loading board 16, on the other hand also can be in the location in-process correct the position about loading board 16 for the printing position of printed matter is accurate.
The printing device comprises a fixed frame 41, a main frame 42, a moving mechanism 43, a printing frame 44 and two lifting mechanisms, wherein the fixed frame 41 is fixedly arranged on one side above a workbench 10, the main frame 42 is fixed on the fixed frame 41, the main frame 42 is positioned above the workbench 10, the moving mechanism 43 is assembled on the main frame 42 in a sliding mode and can reciprocate back and forth along the main frame 42, a plurality of reciprocating movement modes are realized, the moving mechanism 43 can be driven to reciprocate in a mode that a single transmission machine, a transmission wheel and a transmission chain are assembled in the main frame 42, and the prior art is not repeated. The moving mechanism 43 is provided with two printing lifting cylinders 431, the printing lifting cylinders 431 are respectively provided with a printing base 432, the bottoms of the two printing bases 432 are respectively and fixedly provided with a printing scraping blade, the surface of the screen printing plate is provided with paint, and the two printing scraping blades brush the paint on the surface of a printed matter through a screen pattern.
The front end and the rear end of the printing frame 44 are respectively fixed with the lifting mechanism, and the two lifting mechanisms are respectively fixed at the front end and the rear end of the main frame 42 and can drive the printing frame 44 to move up and down. The front end and the rear end of the main frame 42 are respectively provided with a frame arm 421 extending to the middle part of the front end and the rear end of the working table 10, the lifting mechanism comprises a lifting cylinder 51, two lifting guide pillars 52, a lifting connecting plate 53 and two connecting seats 54, the lifting cylinder 51 is fixed on the upper surface of the frame arm 421, a piston rod of the lifting cylinder is vertically arranged, the top end of the lifting connecting plate 53 is vertically fixed on the top end of the lifting cylinder, the two lifting guide pillars 52 vertically slide through the frame arm 421, the top end of the lifting connecting plate is respectively fixedly connected to the two ends of the lifting connecting plate 53, the bottom end of the lifting connecting plate is respectively fixedly connected to the connecting seats 54, the bottom end of the lifting guide pillar 52 is provided with a hinge element 521, the hinge element 521 is arranged inside the connecting seats 54 and is hinged to the connecting seats 54, if the surface of the printed matter is not horizontal, the screen printing plate pressed against the surface of the printed matter is also not horizontal, and this problem can be solved by providing the hinge 521 so that the printing frame 44 can be tilted to some extent.
The pressing frame 61 is connected between two side frames of the printing frame 44, the pressing frame 61 has a horizontally arranged pressing frame top plate 62 and a horizontally arranged pressing frame bottom plate 63, the pressing frame top plate 62 is fixedly provided with two pressing frame air cylinders 64, the two pressing frame air cylinders 64 are symmetrically arranged about the pressing frame 61, piston rods of the pressing frame air cylinders 64 are vertically arranged, bottom ends of the piston rods are provided with pressing pieces 65 for pressing the upper surface of the pressing frame bottom plate 63, and after the screen printing plate is pressed, one side of the pressing frame bottom plate 63 is connected with the bottom edge of the pressing frame 61, the pressing pieces 65 press the pressing frame bottom plate 63, so that the pressing of the screen printing plate is firm and reliable.
The pressing frame bottom plate 63 is provided with a through hole 630 corresponding to the pressing position of the pressing piece 65, the bottom surface of the pressing piece 65 is open, a vertical pressing rod 66 is arranged in the pressing piece 65, the pressing rod 66 extends out of the bottom opening, the pressing rod 66 can be slidably inserted into the through hole 630, and after long-time use, the connection between the pressing frame bottom plate 63 and the pressing frame 61 can be deformed to a certain extent, so that the pressing frame bottom plate 63 is not completely parallel to a screen printing plate, and the screen printing plate can be fixed by pressing the pressing rod 66 on the screen printing plate through the through hole.
The pressure frame top plate 62 is located two the both sides of pressure frame cylinder 64 are run through respectively and are provided with screwed pipe 67, screwed pipe 67 slides and passes vertical threaded rod 68, knob 69 is installed on the top of threaded rod 68, the bottom of threaded rod 68 is provided with pressure disk 681, pressure disk 681 compresses tightly pressure frame bottom plate 63, through the rotation knob 69 can compress tightly pressure disk 681 pressure frame bottom plate 63. The provision of the threaded rods 68 makes it possible, on the one hand, to reduce the deformations of the connection between the press frame base plate 63 and the press frame and, on the other hand, to intensify the pressing of the screen printing plate.
The two ends of the two pressing frames 61 are slidably assembled on the two side frames, the pressing frames 61 can slide along the front and back directions, the front frame/the back frame is provided with an adjusting cylinder 611, piston rods of the adjusting cylinder 611 are respectively connected with the two pressing frames 61, and the distance between the two pressing frames 61 can be adjusted through the adjusting cylinder 611, so that screen printing plates with different sizes can be dealt with.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a printing device sets up the workstation top, its characterized in that, it includes body frame, moving mechanism, printing frame, two elevating system, the body frame is fixed to be set up in workstation top one side, moving mechanism can follow reciprocating motion around the body frame, moving mechanism is provided with two printing lift cylinders and drives two printing doctor-bars lift removal, the front end of printing frame, rear end are fixed respectively elevating system, two elevating system fixes respectively the front end and the rear end of body frame and can drive printing frame lift removal.
2. The printing device according to claim 1, wherein the main frame is provided at both front and rear ends thereof with a frame arm extending to a middle portion of the front and rear ends of the working table, the lifting mechanism includes a lifting cylinder, two lifting guide posts, a lifting connecting plate, and two connecting seats, the lifting cylinder is fixed on an upper surface of the frame arm, a piston rod thereof is vertically disposed, a top end thereof vertically fixes the lifting connecting plate, the two lifting guide posts vertically slide through the frame arm, and a top end thereof is respectively fixedly connected to both ends of the lifting connecting plate, a bottom end thereof is respectively fixedly connected to the connecting seats, and the two connecting seats are fixed on the front/rear frames of the printing frame.
3. The printing device as claimed in claim 2, wherein a hinge is provided at a bottom end of the lifting guide pillar, the hinge being disposed inside the connecting seat and hinged to the connecting seat.
4. The printing device according to claim 1, wherein a pressing frame is connected between the two side frames of the printing frame, the pressing frame is provided with a horizontally arranged pressing frame top plate and a pressing frame bottom plate, the pressing frame top plate is fixedly provided with at least two pressing frame cylinders, piston rods of the pressing frame cylinders are vertically arranged, and bottom ends of the piston rods are provided with pressing pieces for pressing the upper surface of the pressing frame bottom plate.
5. The printing device as claimed in claim 4, wherein the pressing frame bottom plate is provided with a through hole corresponding to a pressing position of the pressing member, the pressing member is provided with an opening on a bottom surface, a vertical pressing rod is arranged in the pressing member and extends from the opening on the bottom, and the pressing rod can slidably penetrate through the through hole.
6. The printing device according to claim 5, wherein threaded pipes are respectively arranged on two sides of the two pressing frame air cylinders of the pressing frame top plate in a penetrating mode, the threaded pipes slide through vertical threaded rods, knobs are installed at the top ends of the threaded rods, pressing plates are arranged at the bottom ends of the threaded rods, and the pressing plates are pressed on the pressing frame bottom plate.
7. The printing device according to claim 4, wherein two ends of the two pressing frames are slidably fitted to the two side frames, the pressing frames are slidable in a front-rear direction, and the front frame/the rear frame are provided with adjusting cylinders, and piston rods of the adjusting cylinders are respectively connected to the two pressing frames.
CN201911355364.0A 2019-12-25 2019-12-25 Printing device Pending CN111055587A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911355364.0A CN111055587A (en) 2019-12-25 2019-12-25 Printing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911355364.0A CN111055587A (en) 2019-12-25 2019-12-25 Printing device

Publications (1)

Publication Number Publication Date
CN111055587A true CN111055587A (en) 2020-04-24

Family

ID=70303357

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911355364.0A Pending CN111055587A (en) 2019-12-25 2019-12-25 Printing device

Country Status (1)

Country Link
CN (1) CN111055587A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111993775A (en) * 2020-09-24 2020-11-27 广东丹青印务有限公司 Non-solvent green printing device for beverage packaging film and working method thereof
CN112223892A (en) * 2020-10-14 2021-01-15 深圳市冠为科技股份有限公司 Screen printing apparatus and screen printing overprinting method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111993775A (en) * 2020-09-24 2020-11-27 广东丹青印务有限公司 Non-solvent green printing device for beverage packaging film and working method thereof
CN112223892A (en) * 2020-10-14 2021-01-15 深圳市冠为科技股份有限公司 Screen printing apparatus and screen printing overprinting method

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