CN109501451B - Scraper separator for printing machine - Google Patents
Scraper separator for printing machine Download PDFInfo
- Publication number
- CN109501451B CN109501451B CN201811348864.7A CN201811348864A CN109501451B CN 109501451 B CN109501451 B CN 109501451B CN 201811348864 A CN201811348864 A CN 201811348864A CN 109501451 B CN109501451 B CN 109501451B
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- CN
- China
- Prior art keywords
- scraper
- mounting position
- printing
- track
- mounting frame
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-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2231/00—Inking devices; Recovering printing ink
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- Screen Printers (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention provides a scraper separating device for a printing machine, and mainly relates to the field of printing equipment. A scraper separating device for a printing machine comprises a track arranged on a printing device; the bottom of the mounting rack is provided with a sliding part, and the sliding part is connected with the track in a sliding manner; a main mounting position; an auxiliary installation position; the scraper carriers are respectively positioned in the main mounting position and the auxiliary mounting position; the two sides of the scraper are provided with clamping grooves; the elastic bodies are arranged in plurality and are positioned between the scraper and the fixing plate of the scraper carrier; the propelling device is used for driving the mounting frame to slide in the track; a control device electrically connected with the propulsion device. The invention has the beneficial effects that: the scraper can be separated and replaced without stopping the machine, the normal production progress is not influenced, and the printing error condition caused by the reopening of the equipment is avoided.
Description
Technical Field
The invention mainly relates to the field of printing equipment, in particular to a scraper separating device for a printing machine.
Background
The doctor blade is a sheet on the press that is used to scrape off excess ink from the surface of the cylinder, and the removal of ink from the non-patterned areas of the cylinder is a critical step in each printing operation. The shape, material and specification of the scraper can be selected differently according to the variety of printing, printing base material and ink characteristics. When the offset press that utilizes paste ink prints, can use the scraper of plastics or resin material usually, reach better ink scraping effect together, but the scraper of these materials wearability is relatively poor usually, in order to ensure the normal clear of production, need often change the scraper, and in case shut down and change the scraper, will influence the production progress, and equipment stops once opening still can lead to the printing pattern dislocation to further influence follow-up production.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the scraper separating device for the printing machine, which can separate and replace the scraper without stopping the machine, does not influence the normal production progress, and avoids the printing error condition caused by the reopening of equipment.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a scraper separating device for a printing machine, comprising:
a track mounted on the printing apparatus;
the bottom of the mounting frame is provided with a sliding part, the sliding part is connected with a track in a sliding manner, and the track is used for limiting the sliding part;
the main mounting position is positioned on one side of the top of the mounting frame;
the auxiliary mounting position is positioned on one side of the top of the mounting frame, which is far away from the main mounting position;
the scraper carriers are respectively positioned in the main mounting position and the auxiliary mounting position, the scraper carriers are detachably and fixedly connected with the top of the mounting frame, the two scraper carriers are arranged in parallel, and each scraper carrier comprises a fixing plate and a slide way on two sides of the fixing plate;
the scraper is characterized in that clamping grooves are formed in two sides of the scraper and are in sliding connection with the slide ways, transition parts are arranged at two ends of a blade part of the scraper, and the width of each transition part is gradually increased from an edge part to the center of the scraper;
the elastic bodies are arranged in a plurality of numbers, the elastic bodies are positioned between the scraper and the fixing plate of the scraper carrier, one end of each elastic body is in contact with the back of the scraper, and the other end of each elastic body is fixedly connected with one surface, facing the scraper, of the fixing plate;
the propelling device is matched with the mounting frame and is used for driving the mounting frame to slide in the track;
a control device electrically connected with the propulsion device.
Preferably, the propulsion device is a cylinder, and a cylinder push rod of the cylinder is connected with the bottom of the mounting frame.
Preferably, the elastomer comprises:
one side of the scraper connecting plate is detachably and fixedly connected with the scraper;
the number of the spring heads is multiple, and one end of each spring head is rotatably connected with the scraper connecting plate;
the fixing rod parts are arranged in a plurality and correspond to the spring heads one by one, the fixing rod parts are fixedly connected with one ends, far away from the scraper connecting plate, of the spring heads, external threads are arranged on the outer walls of the fixing rod parts, and fastening sockets matched with fastening tools are arranged at one ends, far away from the spring heads, of the fixing rod parts;
and the adjusting screw hole is matched with the fixing rod part, the adjusting screw hole is positioned on the fixing plate, and the fixing rod part is screwed in the adjusting screw hole.
Preferably, a shell is arranged on one side of the auxiliary mounting position and used for protecting the scraper in the auxiliary mounting position.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the pushing device pushes the mounting frame to slide in the track, so that a damaged scraper in the main mounting position can be quickly separated from contact with the roller, a complete scraper in the auxiliary mounting position replaces the position of the scraper in the main mounting position, and redundant ink on the roller is continuously scraped, and after the scraper on the main mounting position is completely replaced, the mounting frame can be pulled back through the pushing device, so that a new scraper in the main mounting position replaces the scraper in the auxiliary mounting position, and therefore, the scraper can be separated and replaced without shutdown, the normal production progress is not influenced, and the printing error condition caused by the reopening of equipment is avoided.
Drawings
FIG. 1 is a schematic view of the construction of the mount of the present invention;
FIG. 2 is a first use state reference diagram of the present invention;
FIG. 3 is a second use state reference diagram of the present invention;
FIG. 4 is a partially enlarged structural view of the part A of the present invention;
FIG. 5 is a partially enlarged view of the part B of the present invention.
Reference numerals shown in the drawings: 1. a track; 2. a mounting frame; 3. a sliding part; 4. a main mounting position; 5. an auxiliary installation position; 6. a scraper carrier; 7. a fixing plate; 8. a slideway; 9. a scraper; 10. a card slot; 11. a transition section; 12. an elastomer; 13. a propulsion device; 14. a control device; 15. a scraper connecting plate; 16. a spring head; 17. a fixed rod part; 18. fastening the socket; 19. adjusting the screw hole; 20. a housing; 21. and (3) a roller.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
As shown in fig. 1 to 5, the scraper separating device for a printing machine according to the present invention includes:
a rail 1 mounted on the printing apparatus;
the mounting frame 2 is provided with a sliding part 3 at the bottom of the mounting frame 2, the sliding part 3 is in sliding connection with the track 1, the track 1 is used for limiting the sliding part 3, and the mounting frame can only do linear motion or rest along the track under the matching of the sliding part and the track;
the main mounting position 4 is positioned on one side of the top of the mounting frame 2;
the auxiliary mounting positions 5 are positioned on one side, far away from the main mounting position 4, of the top of the mounting frame 2, and the auxiliary mounting positions and the main mounting positions are positioned in a symmetrical distribution state on the mounting frame;
the scraper carriers 6 are arranged in two, the two scraper carriers 6 are respectively positioned in the main mounting position 4 and the auxiliary mounting position 5, the scraper carriers 6 are detachably and fixedly connected with the top of the mounting frame 2, the two scraper carriers 6 are arranged in parallel, and each scraper carrier 6 comprises a fixed plate 7 and a slide way 8 on two sides of the fixed plate 7;
the scraper structure comprises a scraper 9, wherein the blade part of the scraper 9 is in contact with the outer wall of a printing roller of printing equipment, clamping grooves 10 are formed in two sides of the scraper 9, the clamping grooves 10 are in sliding connection with a slide rail 8, the slide rail limits the scraper so that the scraper can only linearly move along the direction of the clamping grooves, two ends of the blade part of the scraper 9 are transition parts 11, and the width of each transition part 11 is gradually increased from the edge part to the center of the scraper;
the elastic bodies 12 are arranged in plurality, the elastic bodies 12 are positioned between the scraper 9 and the fixing plate 7 of the scraper carrier 6, one end of each elastic body 12 is in contact with the back of the scraper 9, the other end of each elastic body 12 is fixedly connected with one surface, facing the scraper 9, of the fixing plate 7, and the elastic bodies generate extrusion force on the scrapers through the elastic action, so that the scrapers are in better contact with the roller, and a better ink scraping effect is achieved;
the propelling device 13 is adapted to the mounting frame 2, the propelling device 13 is used for driving the mounting frame 2 to slide in the track 1, a scraper in the auxiliary mounting position or the main mounting position can return to a station contacted with the roller from the outer side of the roller by the pushing of the propelling device, the transition part of the scraper plays a guiding role in the sliding friction between the scraper and the roller, and after the transition part of the scraper is contacted with the roller, the scraper can compress the elastic body to ensure that the blade part of the scraper is gradually and fully contacted with the roller;
and the control device 14 is electrically connected with the propelling device 13, and controls the action of the propelling device so as to control the alternate contact of the scrapers of the main mounting position and the auxiliary mounting position with the roller. Through thrust unit's drive, can realize separating the change to the scraper under the condition of not shutting down, do not influence normal production progress, avoided the printing condition of making mistakes that equipment reopened and lead to.
Further, advancing device 13 is the cylinder, the cylinder push rod of cylinder is connected with 2 bottoms of mounting bracket, the action of cylinder is very fast, can carry out quick butt joint with the scraper blade of main installation position and the scraper blade of supplementary installation position, reduces the printing problem that the scraper blade docks not tightly and causes in main installation position and the supplementary installation position as far as possible.
Further, the elastic body 12 includes:
the scraper connecting plate 15 is detachably and fixedly connected with the scraper 9 at one side of the scraper connecting plate 15 and serves as a connecting part of the elastic body and the scraper;
a plurality of spring heads 16 are arranged, and one end of each spring head 16 is rotatably connected with the scraper connecting plate 15;
the scraper connecting plate 15 is provided with a plurality of fixing rod parts 17, the fixing rod parts 17 correspond to the spring heads 16 one by one, the fixing rod parts 17 are fixedly connected with one ends, away from the scraper connecting plate 15, of the spring heads 16, external threads are arranged on the outer walls of the fixing rod parts 17, and fastening sockets 18 matched with fastening tools are arranged at one ends, away from the spring heads 16, of the fixing rod parts 17;
the adjusting screw hole 19 is matched with the fixing rod part 17, the adjusting screw hole 19 is located on the fixing plate 17, the fixing rod part 17 is screwed in the adjusting screw hole 19, a fastening socket is inserted through a fastening tool, the fixing rod part is screwed and unscrewed in the adjusting screw hole, the scraper can be adjusted, and the scraper is enabled to be in better contact with the roller.
Furthermore, a shell 20 is arranged on one side of the auxiliary mounting position 5, the shell 20 is used for protecting the scraper 9 in the auxiliary mounting position 5, and the shell can prevent the scraper mounted in the auxiliary mounting position from being damaged when the scraper is not in contact with the roller.
Example (b):
a scraper separating device for a printing machine, comprising:
the rail 1 is arranged on the printing equipment, and the rail 1 is positioned below one side of a roller on the printing equipment;
the bottom of the mounting frame 2 is provided with a sliding part 3, the sliding part 3 is connected with the track 1 in a sliding manner, and the track 1 is used for limiting the sliding part 3;
the main mounting position 4 is positioned on one side of the top of the mounting frame 2;
the auxiliary mounting position 5 is positioned on one side, far away from the main mounting position 4, of the top of the mounting frame 2, and the main mounting position and the auxiliary mounting position are symmetrical at the top of the mounting frame;
the scraper carrier 6 is provided with two scraper carriers 6, the two scraper carriers 6 are respectively positioned in the main mounting position 4 and the auxiliary mounting position 5, the scraper carrier 6 is fixedly connected with the top of the mounting frame 2 through screws, the two scraper carriers 6 are arranged in parallel, each scraper carrier 6 comprises a fixed plate 7 and a slide way 8 on two sides of the fixed plate 7, and the fixed plates and the slide ways are integrally formed;
the scraper 9 is made of hard plastics, clamping grooves 10 are integrally formed in two sides of the scraper 9, the clamping grooves 10 are connected with the slide rails 8 in a sliding mode, two ends of the cutting edge portion of the scraper 9 are transition portions 11, and the width of each transition portion 11 is gradually increased from the edge portion to the center of the scraper;
in this embodiment, a casing 20 is disposed on one side of the auxiliary mounting location 5, the casing is fixed to a printing device by a screw, and the casing 20 is used for protecting the scraper 9 in the auxiliary mounting location 5;
the elastic body 12 is provided in plurality, the elastic body 12 is positioned between the scraper 9 and the fixing plate 7 of the scraper carrier 6, in this embodiment, the elastic body 12 comprises a scraper connecting plate 15, and one side of the scraper connecting plate 15 is fixedly connected with the scraper 9 through screws; the number of the spring heads 16 is multiple, the multiple spring heads are linearly and uniformly distributed on the scraper connecting plate, and one end of each spring head 16 is rotatably connected with the scraper connecting plate 15; the scraper connecting plate 15 is provided with a plurality of fixing rod parts 17, the fixing rod parts 17 correspond to the spring heads 16 one by one, the fixing rod parts 17 and the spring heads 16 are welded at one ends far away from the scraper connecting plate 15, external threads are arranged on the outer walls of the fixing rod parts 17, and fastening sockets 18 matched with fastening tools are formed at one ends of the fixing rod parts 17 far away from the spring heads 16; and the adjusting screw hole 19 is matched with the fixing rod part 17, the adjusting screw hole 19 is formed in the fixing plate 17, and the fixing rod part 17 is screwed in the adjusting screw hole 19.
The propulsion device 13 is adapted to the mounting frame 2, the propulsion device 13 is used for driving the mounting frame 2 to slide in the track 1, the propulsion device 13 is an air cylinder in the embodiment, the air cylinder is communicated with an air pump through an air pipe, an electromagnetic valve is connected to the air pipe in series, and an air cylinder push rod of the air cylinder is connected with the bottom of the mounting frame 2;
and the control device 14 is electrically connected with the propelling device 13, and the control device can realize the sliding of the mounting frame in the track by controlling the opening and closing of electromagnetic valves connected in series on an air pipe between the air pump and the air cylinder.
When the scraper wearing and tearing in main installation position were seriously unable to use, through controlling means control advancing device (cylinder) action, the cylinder promoted the mounting bracket, made it slide in the track to make the scraper in the main installation position break away from with the contact of cylinder, and the scraper in the supplementary installation position contacts with the cylinder gradually, the transition portion of scraper at first contacts with the cylinder, leads to the scraper, scraper compression elastomer, the elastomer compresses tightly the scraper, makes the scraper closely laminate the cylinder outer wall. At this time, the damaged scraper in the main mounting position is separated from the roller, so that the damaged scraper in the main mounting position can be replaced. After the scraper in the main mounting position is replaced, the cylinder can be controlled to be recycled through the control device, so that the scraper of the main mounting position can be replaced by the scraper of the auxiliary mounting position again, or the scraper of the main mounting position can be replaced by the scraper of the auxiliary mounting position again after the work is finished and the machine is stopped.
Claims (3)
1. A scraper separator for a printing machine, comprising:
a rail (1) mounted on the printing apparatus;
the mounting rack (2), the bottom of the mounting rack (2) is provided with a sliding part (3), the sliding part (3) is connected with the track (1) in a sliding manner, and the track (1) is used for limiting the sliding part (3);
the main mounting position (4), the main mounting position (4) is positioned on one side of the top of the mounting rack (2);
the auxiliary mounting position (5) is positioned on one side, far away from the main mounting position (4), of the top of the mounting frame (2);
the scraper carriers (6) are arranged in two, the two scraper carriers (6) are respectively positioned in the main mounting position (4) and the auxiliary mounting position (5), the scraper carriers (6) are detachably and fixedly connected with the top of the mounting frame (2), the two scraper carriers (6) are arranged in parallel, and each scraper carrier (6) comprises a fixing plate (7) and a slide way (8) on two sides of the fixing plate (7);
the scraper comprises a scraper (9), wherein clamping grooves (10) are formed in two sides of the scraper (9), the clamping grooves (10) are connected with a slide way (8) in a sliding mode, transition parts (11) are arranged at two ends of a cutting edge part of the scraper (9), and the width of each transition part (11) is gradually increased from the edge part to the center of the scraper;
the elastic bodies (12) are arranged in a plurality of numbers, the elastic bodies (12) are positioned between the scraper (9) and the fixing plate (7) of the scraper carrier (6), one end of each elastic body (12) is in contact with the back of the scraper (9), and the other end of each elastic body (12) is fixedly connected with one surface, facing the scraper (9), of the fixing plate (7);
the elastic body (12) includes:
one side of the scraper connecting plate (15) is detachably and fixedly connected with the scraper (9);
the number of the spring heads (16) is multiple, and one end of each spring head (16) is rotatably connected with the scraper connecting plate (15);
the scraper structure comprises a plurality of fixed rod parts (17), wherein the fixed rod parts (17) are arranged, the fixed rod parts (17) correspond to the spring heads (16) one by one, the fixed rod parts (17) are fixedly connected with one ends, far away from the scraper connecting plate (15), of the spring heads (16), external threads are arranged on the outer walls of the fixed rod parts (17), and fastening sockets (18) matched with fastening tools are arranged at one ends, far away from the spring heads (16), of the fixed rod parts (17);
the adjusting screw hole (19) is matched with the fixing rod part (17), the adjusting screw hole (19) is positioned on the fixing plate (7), and the fixing rod part (17) is screwed in the adjusting screw hole (19);
the propelling device (13), the propelling device (13) is adapted to the mounting frame (2), and the propelling device (13) is used for driving the mounting frame (2) to slide in the track (1);
a control device (14), the control device (14) being electrically connected to the propulsion device (13).
2. The doctor blade separator for printing presses of claim 1, wherein:
the propelling device (13) is a cylinder, and a cylinder push rod of the cylinder is connected with the bottom of the mounting frame (2).
3. The doctor blade separator for printing presses of claim 1, wherein:
and a shell (20) is arranged on one side of the auxiliary mounting position (5), and the shell (20) is used for protecting the scraper (9) in the auxiliary mounting position (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811348864.7A CN109501451B (en) | 2018-11-13 | 2018-11-13 | Scraper separator for printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811348864.7A CN109501451B (en) | 2018-11-13 | 2018-11-13 | Scraper separator for printing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109501451A CN109501451A (en) | 2019-03-22 |
| CN109501451B true CN109501451B (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811348864.7A Expired - Fee Related CN109501451B (en) | 2018-11-13 | 2018-11-13 | Scraper separator for printing machine |
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| Country | Link |
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| CN (1) | CN109501451B (en) |
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| CN107709014B (en) * | 2015-06-08 | 2020-03-06 | 株式会社富士 | Printing device and substrate operation device |
| CN205685946U (en) * | 2016-06-13 | 2016-11-16 | 深圳市捷汇多科技有限公司 | A kind of energy-conservation scraper |
| CN106423523B (en) * | 2016-10-28 | 2018-11-27 | 江苏天鹏机电制造有限公司 | Construction waste crushing system light materials collector |
| CN207088694U (en) * | 2017-07-03 | 2018-03-13 | 东莞市科隆威自动化设备有限公司 | A kind of printing press modules scraper control device |
| CN107414564A (en) * | 2017-09-04 | 2017-12-01 | 成都科创谷科技有限公司 | A kind of Digit Control Machine Tool for saving part process time |
| CN207643924U (en) * | 2017-11-28 | 2018-07-24 | 浙江俊杰企业管理有限公司 | A kind of printing scraper |
| CN207736925U (en) * | 2017-12-20 | 2018-08-17 | 天津午阳印刷有限公司 | A kind of printing machine scraper |
| CN207839807U (en) * | 2018-01-20 | 2018-09-11 | 东莞市凯锋模具科技有限公司 | A kind of guide tracked automobile die |
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2018
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Patent Citations (3)
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|---|---|---|---|---|
| CN203844410U (en) * | 2014-04-23 | 2014-09-24 | 杭州康得新机械有限公司 | Glazing edge-preserving device for use on full-width glazing machine |
| CN106626726A (en) * | 2016-12-25 | 2017-05-10 | 天津荣彩3D科技有限公司 | Novel intaglio printing coating device |
| CN207388620U (en) * | 2017-10-23 | 2018-05-22 | 温州峰明机械有限公司 | Quick-changing type ink knife mechanism |
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| Publication number | Publication date |
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| CN109501451A (en) | 2019-03-22 |
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