CN111169150A - Screen printing device - Google Patents
Screen printing device Download PDFInfo
- Publication number
- CN111169150A CN111169150A CN201911165062.7A CN201911165062A CN111169150A CN 111169150 A CN111169150 A CN 111169150A CN 201911165062 A CN201911165062 A CN 201911165062A CN 111169150 A CN111169150 A CN 111169150A
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- China
- Prior art keywords
- scraper
- fixing
- fixing seat
- squeegee
- screen printing
- 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.)
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- 238000007650 screen-printing Methods 0.000 title claims abstract description 25
- 238000007639 printing Methods 0.000 claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000007790 scraping Methods 0.000 claims abstract description 32
- 229920001971 elastomer Polymers 0.000 claims abstract description 29
- 239000005060 rubber Substances 0.000 claims abstract description 29
- 238000000576 coating method Methods 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000013459 approach Methods 0.000 claims description 2
- 239000003973 paint Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 23
- 239000005062 Polybutadiene Substances 0.000 description 7
- 229920002857 polybutadiene Polymers 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/40—Inking units
- B41F15/42—Inking units comprising squeegees or doctors
- B41F15/423—Driving means for reciprocating squeegees
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Screen Printers (AREA)
Abstract
The invention discloses a screen printing device which comprises a swing arm, a printing fixing frame, a scraping mechanism and a smearing mechanism, wherein the printing fixing frame is assembled on the swing arm in a sliding mode and can move along the length direction of the swing arm, the scraping mechanism and the smearing mechanism are both installed on the printing fixing frame and can lift, the smearing mechanism is used for evenly smearing paint on a printing plate, the scraping mechanism comprises a scraper fixing seat, a rubber scraper and a rotating part, the scraper fixing seat is perpendicular to the swing arm and is horizontally arranged, the rubber scraper is installed on the scraper fixing seat, the scraper fixing seat can rotate along the length direction of the scraper fixing seat in a fixed axis mode, the vertical projection area of the rubber scraper can be enlarged through the rotation, and the rotating part is assembled on the scraper fixing seat and can limit the. The invention has the advantages that the actual contact area of the scraper and the printing plate can be adjusted, and better printing effect can be realized by matching with the descending depth of the scraper.
Description
Technical Field
The invention relates to a printing device, in particular to a screen printing device.
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. In the existing screen printing machine, a printing device usually uses a combination of a scraper and a material smearing plate, the scraper firstly scrapes the even paint on the printing plate to the hollowed-out patterns when the printing device moves forwards, the paint is transversely accumulated when the scraping is finished, then the scraper is lifted, the material smearing plate is pressed downwards, then the printing device moves backwards, and the material smearing plate evenly smears the paint on the printing plate again to complete a cycle action. This printing device has the following drawbacks: for different types of printed products, such as textiles, rubber products and plastic products, the used coatings are different, and particularly different coatings have different viscosities, densities, fineness and the like, so that different requirements are also imposed on the actual contact area and contact strength of the scraper and the printing plate, the pattern on the printing plate is determined by the size and shape of the holes of the hollowed-out pattern, and the contact area of the scraper and the printing plate is also influenced for different sizes of the holes.
Disclosure of Invention
The invention aims to provide a screen printing device, which can adjust the actual contact area of a scraper and a printing plate and realize better printing effect by matching with the descending depth of the scraper.
The invention is realized by the following technical scheme.
A screen printing device comprises a swing arm, a printing fixing frame, a scraping mechanism and a smearing mechanism, wherein the printing fixing frame is assembled on the swing arm in a sliding mode and can move along the length direction of the swing arm, the scraping mechanism and the smearing mechanism are installed on the printing fixing frame and can lift, the smearing mechanism is used for evenly smearing paint on a printing plate, the scraping mechanism comprises a scraper fixing seat, a rubber scraper and a rotating part, the scraper fixing seat is perpendicular to the swing arm and horizontally arranged, the rubber scraper is installed on the scraper fixing seat, the scraper fixing seat can rotate along the length direction fixed shaft of the scraper fixing seat and can expand the vertical projection area of the rubber scraper in a rotating mode, and the rotating part is assembled on the scraper fixing seat and can limit the maximum rotating angle of the scraper fixing seat.
Furthermore, the both sides of printing mount all are provided with scrapes material lift cylinder, the vertical setting of piston rod of scraping material lift cylinder, rotating member is provided with two, and fixed mounting is in two respectively the piston rod, the both ends of scraper blade fixing base articulate respectively two rotating member.
Further, rotating part includes fixed panel, bearing, retainer, the bearing installation sets up fixed panel, fixed panel fixed mounting be in the piston rod and perpendicular to the length direction of scraper blade fixing base, the both ends of scraper blade fixing base all are provided with the pivot, the pivot is installed fixed panel the bearing, and pivot part is located fixed panel's outer terminal surface and this part cover are established and are fixed with the holding ring, the holding ring has the setting element, the retainer is fixed panel's outer terminal surface, the setting element along with scraper blade fixing base rotates can with the retainer contacts.
Further, the rotating part further comprises a positioning piece, the positioning piece is fixed on the fixed panel, when the positioning piece is in contact with the positioning piece, the vertical projection area of the rubber scraper is the smallest, and the top of the rubber scraper inclines towards the scraping direction.
Further, the pivot is equipped with the elasticity piece that resets, the both ends that the elasticity resets are connected respectively the pivot with fixed panel, the elasticity resets and has to order about the pivot with the setting element is close to the direction rotation of initial piece.
Further, the elastic reset piece is a flat spiral spring, the inner end of the flat spiral spring is fixed to the rotating shaft and located between the fixing panel and the scraper fixing seat, and the outer end of the flat spiral spring is fixed to the fixing panel.
Further, the fixing panel is provided with an adjusting groove, the stopping piece is provided with a rod piece which is located in the adjusting groove and is in sliding fit with the adjusting groove, the rod piece is provided with threads and is provided with a locking nut for fixing the position of the stopping piece located in the adjusting groove, and the stopping piece is the maximum rotating angle of the scraper fixing seat when being contacted with the positioning piece, and the maximum rotating angle is changed along with different positions of the stopping piece in the adjusting groove.
Further, the bottom end face of the scraper fixing seat is fixedly connected with a scraper clamping seat, the scraper clamping seat is provided with a clamping groove with an opening at the bottom, and the upper portion of the rubber scraper is located in the clamping groove and is clamped and fixed by the scraper fixing seat.
Further, the scraper blade fixing base is of a rectangular structure, the top of the scraper blade clamping base is a plane and is tightly attached to the bottom end face of the scraper blade fixing base, the scraper blade fixing base is provided with at least two fixing pieces, the left arm and the right arm of each fixing piece are fixedly connected with two side end faces of the scraper blade fixing base, and the bottoms of the left arm and the right arm of each fixing piece are in close contact with the two side end faces of the scraper blade clamping base.
Furthermore, the top of the scraper clamping seat is positioned on the left arm and the right arm of the fixing part and are respectively provided with a wrapping structure, the wrapping structures are tightly attached to two side faces of the scraper fixing seat, and the lower parts of the left arm and the right arm of the fixing part are respectively provided with a concave face crossing the wrapping structures.
The invention has the beneficial effects that:
use the rubber scraper as the executive component who scrapes the material, the reversible buckle deformation of scraper blade has been realized, through setting up rotatable parts, make scraper blade fixing base and rubber scraper's rotatable, material lift cylinder is scraped in the cooperation, the required rubber scraper of having realized to different printed matters and the different area of contact and the contact force degree of printing plate, applicable coating in arbitrary characteristic and the fretwork pattern of arbitrary shape, the kind that can handle the printed matter has been improved, compare prior art and have stronger adaptability, and the printing effect is better.
Drawings
Fig. 1 is a schematic front view of a screen printing apparatus;
FIG. 2 is a front view of the internal structure of the swing arm;
FIG. 3 is a schematic view of a swing arm and a printing fixture;
FIG. 4 is a schematic front view of the scraping mechanism and the smearing mechanism;
FIG. 5 is an enlarged partial schematic view of FIG. 4;
FIG. 6 is a side sectional view of the stationary plate and the rotating shaft;
FIG. 7 is a side cross-sectional view of a stopper;
fig. 8 is a schematic structural view of the squeegee fixing seat and the squeegee holding seat.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples.
Referring to fig. 1-8, a screen printing device comprises a swing arm 1, a printing fixing frame 2, a scraping mechanism 3 and a smearing mechanism 4, wherein the printing fixing frame 2 is slidably assembled on the swing arm 1 and can move along the length direction of the swing arm 1, the scraping mechanism 3 and the smearing mechanism 4 are both mounted on the printing fixing frame 2 and can be lifted, a printing plate 900 is arranged below the scraping mechanism 3 and the smearing mechanism 4, hollow patterns are arranged on the printing plate 900, and paint located on the printing plate 900 is printed on a printed matter attached to the bottom surface of a printing bar through the hollow patterns by the scraping mechanism 3 and the smearing mechanism 4. The specific operation is that the coating is evenly spread on the surface of the printing plate 900, firstly the scraping mechanism 3 descends to be in contact with the printing plate 900, the printing fixing frame 2 moves forwards, the scraping mechanism 3 scrapes the coating, the coating is printed on a printed matter through the hollow pattern, after the printing is finished, the coating is pushed to the stroke weight point of the scraping mechanism 3 and is in a stacking state, at the moment, the scraping mechanism 3 raises the material smearing mechanism 4 and descends, the printing fixing frame 2 moves reversely, the material smearing mechanism 4 uniformly smears the stacked coating on the surface of the printing plate 900 along with the movement, and the material smearing mechanism 4 raises to finish a circulation movement after the coating is finished. Typically, a single print requires two to three cycles to complete the screen printing process. Functionally, the smearing mechanism 4 is used to evenly smear the paint on the printing plate 900, and the scraping mechanism 3 is used to scrape the paint and print the paint on the printed matter through the hollow pattern of the printing plate 900.
The printing fixing frame 2 is a component for driving the scraping mechanism 3 and the smearing mechanism 4 to reciprocate, two groups of rollers 21 are arranged in the middle of the printing fixing frame 2, each group is provided with two rollers 21 and arranged side by side along the length direction of the printing fixing frame 2, the rollers 21 are parallel to the printing fixing frame 2 and are arranged on the printing fixing frame 2 through a fixed shaft, the front end and the rear end in the swing arm 1 are respectively provided with a driving wheel 11 and a transmission chain 12 which is assembled, one driving wheel 11 is externally connected with a power source, the bottom surface of the swing arm 1 is provided with two sliding chutes 10, the two rollers 21 in the same group are respectively arranged in one sliding chute 10, the transmission chain 12 is arranged between the two sliding chutes 10, one side of each roller 21 is driven by the transmission chain 12, the other side of each roller is in sliding fit with the swing arm, the reciprocating bidirectional movement of the print fixing frame 2 can be realized.
The material smearing mechanism 4 comprises two material smearing lifting cylinders 41, a material smearing fixing seat 42 and a material smearing plate 43, the two material smearing lifting cylinders 41 are arranged on two sides of the printing fixing frame 2, two ends of the material smearing fixing seat 42 are fixed to a piston rod of the material smearing lifting cylinder 41, and the material smearing plate 43 is fixedly installed on the material smearing fixing seat 42.
The scraping mechanism 3 comprises a scraper fixing seat 31, a rubber scraper 32, a rotating part 33, a scraper clamping seat 34 and two scraping lifting cylinders 35. The squeegee 32 is used to scrape off the coating, and the contact state between the squeegee 32 and the printing plate 900 is different according to the difference of the coating and the size of the holes of the hollow pattern of the printing plate 900, and the squeegee 32 may slightly contact the printing plate 900, or the squeegee 32 may need to be in close contact with the printing plate 900 and the squeegee 32 is deformed accordingly. Therefore, the rubber scraper 32 is required to have good elastic properties to cope with deformation and reversible deformation properties, and also to have good wear resistance and aging resistance due to long-term repeated use, and in summary, the rubber scraper 32 is made of butadiene rubber prepared by solution polymerization, and the butadiene rubber has particularly excellent cold resistance, wear resistance and aging resistance. Most butadiene rubber is used for producing tires, and a small part of butadiene rubber is used for manufacturing cold-resistant products, buffer materials, adhesive tapes, rubber shoes and the like. The cis-butadiene rubber has the disadvantages of poor tear resistance and poor wet skid resistance, the advantages of cis-butadiene rubber are all the performance requirements required by the rubber scraper 32, and the defects of cis-butadiene rubber do not influence the use of the rubber scraper 32.
The scraper fixing seat 31 is used as a main body connecting part of the scraping mechanism 3, the scraper holding seat 34 is used as a part for installing the rubber scraper 32 and connecting the scraper fixing seat 31, the scraper fixing seat 31 is perpendicular to the swing arm 1, the scraper fixing seat 31 is horizontally arranged, the bottom end surface of the scraper fixing seat 31 is fixedly connected with the scraper holding seat 34, the scraper holding seat 34 is provided with a holding groove 341 with an opening at the bottom, and the upper part of the rubber scraper 32 is positioned in the holding groove 341 and is held and fixed by the scraper fixing seat 31. To being connected setting of scraper blade fixing base 31 and scraper blade holder 34, scraper blade fixing base 31 is the cuboid structure, the top of scraper blade holder 34 is the plane and fixed connection the bottom face of scraper blade fixing base 31, the accessible sets up the screw connection. Scraper blade fixing base 31 is provided with two mounting 311, and mounting 311 comprises left arm 3111, right arm 3112 and middle part 3113, middle part 3113 level sets up, its perpendicular to scraper blade fixing base 31's length direction and be located scraper blade fixing base 31's top, its both ends are fixed respectively left arm 3111 with right arm 3112's top, mounting 311's left arm 3111, right arm 3112 all with two side end face fixed connection of scraper blade fixing base 31 through setting up screw 3114 fixed connection. The number of the fixing pieces 311 is set mainly in consideration of the actual length of the squeegee fixing base 31, and is usually not less than two. The bottoms of the left arm 3111 and the right arm 3112 of the fixing member 311 are in close contact with both side end surfaces of the squeegee holder 34. Because the clamping groove 341 of the squeegee clamping seat 34 is installed by clamping the squeegee 32, the clamping force of the clamping groove 341 on the squeegee 32 can be always coordinated with the fixing member 311 by the close contact of the fixing member 311, thereby avoiding the sliding dislocation of the squeegee 32 due to the loosening of the clamping groove 341 after long-time use.
In addition, the top of the scraper clamping seat 34 is located on both the left arm 3111 and the right arm 3112 of the fixing member 311, and the wrapping structure 342 is formed in a shape of an angle steel, and extends from the top of the scraper clamping seat 34 to both sides and bends upward vertically, the wrapping structure 342 is tightly attached to both side surfaces of the scraper fixing seat 31, and the lower portions of the left arm 3111 and the right arm 3112 of the fixing member 311 are provided with recessed surfaces crossing the wrapping structure 342. Through setting up package structure 342 to the reducible scraper blade holder 34 of the mode of hugging closely two sides of scraper blade fixing base 31 scrapes the shake of material direction promptly along perpendicular to scraper blade fixing base 31 length direction, has improved scraper blade holder 34's structural stability, and the stability and the installation fastness of rubber scraper blade 32 can be strengthened to cooperation mounting 311 simultaneously.
Both sides of printing mount 2 all set up scrape material lift cylinder 35, the vertical setting of piston rod of scraping material lift cylinder 35, rotatable part 33 is provided with two, and fixed mounting is two respectively the piston rod, the both ends of scraper blade fixing base 31 articulate respectively two rotatable part 33. The rotating member 33 is a member for controlling the inclination of the squeegee 32, the squeegee holder 31 is rotatable about a fixed axis in the longitudinal direction thereof and the rotation enlarges the vertical projection area of the squeegee 32, and the rotating member 33 limits the maximum rotation angle of the squeegee holder 31.
The coating characteristics of the used printing of different printed matters are different, especially in the difference of viscosity, density, therefore required squeegees 32 and printing plate 900's contact dynamics and area of contact are different according to the printing operation of different coatings, and the hole size of printing plate 900 fretwork pattern also has the requirement to squeegees 32's area of contact simultaneously. The stroke of the squeegee elevating cylinder 35 determines the depth of depression of the squeegee 32, and the tilting of the rotating member 33 determines the degree of tilting of the squeegee 32 after rotation when depressed, and the combination of these two movements determines the contact strength and contact area of the squeegee 32 with the printing plate 900.
For the rotating member 33, the rotating member 33 includes a fixing panel 331, a bearing 332, a stopper 333, an initial member 334, the fixing panel 331 is fixedly installed on the piston rod and perpendicular to the length direction of the scraper fixing seat 31, the middle portion of the fixing panel 331 is connected with the piston rod set screw 3311, and a positioning slot 3312 is provided on the upper portion of the fixing panel 331, a fastening screw 3313 is provided in the positioning slot 3312 to fixedly connect the fixing panel 331 with the piston rod, the positioning slot 3312 is in the shape of a transversely extending arc for facilitating fine adjustment of the direction of the fixing panel 331 when the scraper fixing seat is installed, the outer end of the fastening screw 3313 is provided with a rotating handle 3314 for facilitating the operation of screwing the fastening screw 3313, both ends of the scraper fixing seat 31 are provided with rotating shafts 310, the bearings 332 are installed on the fixing panel 331, the rotating shafts 331310 are installed on the bearings 332 of the fixing panel 331, the rotating shaft 310 is partially located on the outer end surface of the fixing panel 331 and a positioning ring 335 is fixedly sleeved on the rotating shaft 310, the positioning ring 335 may be configured as a clasping hoop and may also be fixed on the rotating shaft 310 by a fastening member, the positioning ring 335 has a positioning member 3351, the stop member 333 is fixed on the outer end surface of the fixing panel 331, the positioning member 3351 rotates along with the scraper fixing seat 31 and may contact with the stop member 333, the initial member 334 is fixed on the fixing panel 331, when the initial member 334 contacts with the positioning member 3351, the vertical projection area of the rubber scraper 32 is the smallest, and the top of the rubber scraper 32 inclines towards the scraping direction. The positioning member 3351 is limited in stroke by the initial member 334 and the stopper 333, and determines the maximum rotation angle of the squeegee fixing base 31 and the squeegee 32.
The rotating shaft 310 is assembled with an elastic reset member 3101, two ends of the elastic reset member 3101 are respectively connected to the rotating shaft 310 and the fixed panel 331, and the elastic reset member 3101 drives the rotating shaft 310 to rotate in a direction that the positioning member 3351 approaches the initial member 334. The elastic reset member 3101 is provided to make the squeegee fixing base 31 and the squeegee 32 always have a tendency to turn to the initial position, and can be reset quickly after the squeegee 32 rotates, contacts the printing plate 900, bends and finishes scraping.
In this embodiment, the elastic restoring member 3101 is configured as a flat spiral spring, an inner end of the flat spiral spring is fixed on the rotating shaft 310 and is located between the fixing panel 331 and the scraper fixing seat 31, and an outer end of the flat spiral spring is fixed on the fixing panel 331.
The maximum rotation angle required for different coating rubber scrapers 32 is different, so that an adjusting groove 336 is arranged on the fixing panel 331, the stopping piece 333 is provided with a rod piece 3331 which is positioned in the adjusting groove 336 and is in sliding fit with the adjusting groove 336, the rod piece 3331 is provided with threads and a locking nut 3332 is arranged for fixing the position of the stopping piece 333 in the adjusting groove 336, and the maximum rotation angle of the scraper fixing seat 31 when the stopping piece 333 is in contact with the positioning piece 3351 is changed along with the different positions of the stopping piece 333 in the adjusting groove 336.
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 (10)
1. A screen printing device comprises a swing arm, a printing fixing frame, a scraping mechanism and a smearing mechanism, the printing fixing frame is slidably assembled on the swing arm and can move along the length direction of the swing arm, the scraping mechanism and the smearing mechanism are both arranged on the printing fixing frame and can be lifted, the smearing mechanism is used for evenly smearing the coating on the printing plate, it is characterized in that the scraping mechanism comprises a scraper fixing seat, a rubber scraper and a rotating part, the scraper fixing seat is vertical to the swing arm and is horizontally arranged, the rubber scraper is arranged on the scraper fixing seat, the scraper fixing seat can be fixed in axis and rotate along the length direction of the scraper fixing seat, the vertical projection area of the rubber scraper can be enlarged through the rotation, the rotating component is assembled on the scraper fixing seat and can limit the maximum rotating angle of the scraper fixing seat.
2. The screen printing device according to claim 1, wherein two sides of the printing fixing frame are provided with scraping lifting cylinders, piston rods of the scraping lifting cylinders are vertically arranged, two rotating parts are arranged and fixedly installed on the two piston rods respectively, and two ends of the scraper fixing seat are hinged to the two rotating parts respectively.
3. The screen printing device according to claim 2, wherein the rotating member includes a fixing panel, a bearing, and a stop member, the bearing is installed on the fixing panel, the fixing panel is fixedly installed on the piston rod and perpendicular to the length direction of the scraper fixing seat, both ends of the scraper fixing seat are provided with rotating shafts, the rotating shafts are installed on the bearing of the fixing panel, the rotating shaft is partially located on the outer end face of the fixing panel and is fixedly sleeved with a positioning ring, the positioning ring has a positioning member, the stop member is fixed on the outer end face of the fixing panel, and the positioning member can contact with the stop member along with the rotation of the scraper fixing seat.
4. The screen printing apparatus according to claim 3, wherein the rotating member further includes a home member fixed to the fixed panel, a vertical projection area of the squeegee is smallest when the home member is in contact with the positioning member, and a top of the squeegee is inclined in a direction of scraping.
5. The screen printing device according to claim 4, wherein the rotating shaft is provided with an elastic reset member, two ends of the elastic reset member are respectively connected with the rotating shaft and the fixed panel, and the elastic reset member drives the rotating shaft to rotate in a direction that the positioning member approaches the initial member.
6. The screen printing device according to claim 5, wherein the elastic return member is provided as a flat spiral spring, an inner end of the flat spiral spring is fixed to the rotary shaft and is located between the fixed panel and the squeegee fixing base, and an outer end of the flat spiral spring is fixed to the fixed panel.
7. The screen printing apparatus according to claim 3, wherein the fixing panel is provided with an adjustment groove, the stopper has a rod member which is located in the adjustment groove and slidably engaged therewith, the rod member has a screw thread and is provided with a lock nut for fixing a position of the stopper in the adjustment groove, and the stopper is a maximum rotation angle of the squeegee fixing base when contacting the positioning member, the maximum rotation angle being changed depending on positions of the stopper in the adjustment groove.
8. The screen printing device according to claim 1, wherein a squeegee holding base is fixedly connected to a bottom end face of the squeegee holding base, the squeegee holding base having a holding groove with an open bottom, and an upper portion of the rubber squeegee is located in the holding groove and held by the squeegee holding base.
9. The screen printing device according to claim 8, wherein the squeegee holder has a rectangular structure, the top of the squeegee holder is flat and closely attached to the bottom end surface of the squeegee holder, the squeegee holder is provided with at least two fixing members, the left arm and the right arm of each fixing member are fixedly connected to the two side end surfaces of the squeegee holder, and the bottoms of the left arm and the right arm of each fixing member are closely contacted to the two side end surfaces of the squeegee holder.
10. The screen printing device according to claim 9, wherein the left arm and the right arm of the fixing member on the top of the scraper holding seat are provided with wrapping structures, the wrapping structures are tightly attached to two side surfaces of the scraper fixing seat, and the lower parts of the left arm and the right arm of the fixing member are provided with concave surfaces crossing over the wrapping structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911165062.7A CN111169150A (en) | 2019-11-25 | 2019-11-25 | Screen printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911165062.7A CN111169150A (en) | 2019-11-25 | 2019-11-25 | Screen printing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111169150A true CN111169150A (en) | 2020-05-19 |
Family
ID=70617736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911165062.7A Pending CN111169150A (en) | 2019-11-25 | 2019-11-25 | Screen printing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111169150A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116215060A (en) * | 2023-04-11 | 2023-06-06 | 江苏广谦电子有限公司 | PCB circuit board screen printing machine |
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|---|---|---|---|---|
| US5447758A (en) * | 1993-10-18 | 1995-09-05 | Pelletier; Andree | PVC sheet screen printing process |
| JP2010149367A (en) * | 2008-12-25 | 2010-07-08 | Nbc Meshtec Inc | High precision screen printing machine and printing method thereof |
| WO2013175639A1 (en) * | 2012-05-25 | 2013-11-28 | マイクロ・テック株式会社 | Screen printer |
| CN204077035U (en) * | 2014-07-16 | 2015-01-07 | 洪陈柳 | Screen process press |
| CN209022592U (en) * | 2018-08-29 | 2019-06-25 | 昆山兑印机械有限公司 | A kind of novel scraper for screen process press |
| CN211662803U (en) * | 2019-11-25 | 2020-10-13 | 浙江彩诺数码科技有限公司 | Screen printing device |
-
2019
- 2019-11-25 CN CN201911165062.7A patent/CN111169150A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5447758A (en) * | 1993-10-18 | 1995-09-05 | Pelletier; Andree | PVC sheet screen printing process |
| JP2010149367A (en) * | 2008-12-25 | 2010-07-08 | Nbc Meshtec Inc | High precision screen printing machine and printing method thereof |
| WO2013175639A1 (en) * | 2012-05-25 | 2013-11-28 | マイクロ・テック株式会社 | Screen printer |
| CN204077035U (en) * | 2014-07-16 | 2015-01-07 | 洪陈柳 | Screen process press |
| CN209022592U (en) * | 2018-08-29 | 2019-06-25 | 昆山兑印机械有限公司 | A kind of novel scraper for screen process press |
| CN211662803U (en) * | 2019-11-25 | 2020-10-13 | 浙江彩诺数码科技有限公司 | Screen printing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116215060A (en) * | 2023-04-11 | 2023-06-06 | 江苏广谦电子有限公司 | PCB circuit board screen printing machine |
| CN116215060B (en) * | 2023-04-11 | 2023-09-26 | 江苏广谦电子有限公司 | PCB circuit board screen printing machine |
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