CN219856376U - Doctor blade angle adjusting device - Google Patents
Doctor blade angle adjusting device Download PDFInfo
- Publication number
- CN219856376U CN219856376U CN202320999493.9U CN202320999493U CN219856376U CN 219856376 U CN219856376 U CN 219856376U CN 202320999493 U CN202320999493 U CN 202320999493U CN 219856376 U CN219856376 U CN 219856376U
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- CN
- China
- Prior art keywords
- arc
- base
- angle
- doctor blade
- adjusting
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- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000007639 printing Methods 0.000 abstract description 32
- 238000007790 scraping Methods 0.000 abstract description 8
- 238000007646 gravure printing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Abstract
The utility model discloses a doctor blade angle adjusting device, which comprises a base, a feed mechanism and an angle adjusting mechanism, wherein the base is provided with a first guide rail; the angle adjusting structure comprises a mounting seat, an arc-shaped rack and an adjusting rod, wherein the mounting seat is arranged below the base and fixedly mounted on the gravure press through screws, the adjusting rod is located on the outer side of the arc-shaped rack, the feeding mechanism comprises a locking screw rod, a connecting seat and a feeding plate, the connecting seat is arranged above the base, a threaded hole is formed in the end face of the feeding plate, and one end of the locking screw rod penetrates through the threaded hole of the feeding plate. According to the utility model, the angle of the doctor blade and the blade distance between the doctor blade and the ink roller can be adjusted according to different ink scraping requirements during printing by combining the setting seat, the feed mechanism and the angle adjusting mechanism without dismounting and adjusting the angle, so that different printing requirements can be rapidly met, the printing quality is effectively improved, and the printing speed is also increased.
Description
Technical Field
The utility model relates to the technical field of printing, in particular to a doctor blade angle adjusting device.
Background
Gravure printing presses are the most prominent printing devices in printing enterprises. Gravure printing presses are short for gravure printing presses. Gravure printing refers to a printing mode in which characters and images are lower than the surface of a printing plate. The gravure press theory of operation is that the printing plate roller is soaked in the ink tank, and the doctor blade scrapes the superfluous printing ink on the surface of the printing plate after the printing plate roller rotates, and then the paper is pressed on the printing plate roller by the embossing roller, so that the printing ink on the recessed image is transferred to the paper, thereby completing printing.
The doctor blade is one of the necessary components of the intaglio printing press and is used for scraping off the excessive ink on the surface of the plate roller, the angle of the doctor blade has a great influence on the printing quality, and the angle of the doctor blade is an important parameter when the intaglio printing press prints (the doctor blade angle refers to the contact angle between the doctor blade and the plate roller, namely the included angle between the doctor blade and the tangent line of the contact point).
In the actual printing production process, factors such as ink viscosity and gravure product patterns need to be matched to determine the angle of the scraper, the angle adjustment is long, the angle adjustment is easy to produce errors, and the adjusted scraper angle is easy to produce phenomena such as long-time motion friction between the gravure plate and the scraper, angle deviation, ink running and ink quantity increase in the printing process, so that the color depth is different, the printing quality and the printing efficiency are seriously restricted, and a plurality of inconveniences are brought to the actual production.
Disclosure of Invention
In order to solve the problems, the utility model provides an adjusting device capable of quickly adjusting the angle of a doctor blade according to printing requirements and changes.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an angle adjusting device of a doctor blade comprises a base, a feed mechanism and an angle adjusting mechanism; the angle adjusting mechanism comprises a mounting seat, arc racks and an adjusting rod, wherein the mounting seat is arranged below the base and is fixedly installed on the gravure press through screws, the number of the arc racks is two, the arc racks are respectively fixedly connected with two ends of the bottom surface of the base, the arc surfaces of the arc racks face the ink tank of the gravure press, arc casings are respectively sleeved outside the arc racks, the arc racks slide in the arc casings, the bottom ends of the arc casings are connected with the gravure press through bolts, and the two arc casings are connected through reinforcing rods.
The adjusting rod is of a cylindrical structure, the adjusting rod is located on the outer side of the arc-shaped rack, gears are sleeved on the peripheral faces of the adjusting rod opposite to the arc-shaped rack respectively and meshed with the arc-shaped rack teeth through the gear structure, one end of the adjusting rod, which is close to the mounting seat, is a locking end, the other end of the adjusting rod is an adjusting end, an adjusting knob is installed at the adjusting end, a threaded structure is arranged on the peripheral face of the locking end, the locking end of the adjusting rod penetrates out of the end face of the mounting seat and is movably connected with the mounting seat through a bearing, and a locking nut is sleeved on the locking end of the adjusting rod.
The cutter feeding mechanism comprises a locking screw rod, a connecting seat and a cutter feeding plate, wherein the connecting seat is arranged above the base and is in sliding connection with the top of the base through a bearing sliding block and a sliding rail, a cutter body clamp is arranged on one side surface of the connecting seat, which is close to the gravure press, a doctor blade is arranged on the cutter body clamp, and the cutter feeding plate is arranged on the top surface of the other side of the connecting seat.
The end face of the feed plate is provided with a threaded hole, and one end of the locking screw rod penetrates through the threaded hole of the feed plate and is connected with the end face of the connecting seat through a bearing.
As the optimal scheme of the scheme, an angle measurer is arranged above the mounting seat, the zero-degree line of the angle measurer can be in the same plane with any one bottom edge pointing to the rotating circle center on the base, and the bottom edge is required to coincide with the radius of a circle formed when the base rotates.
Further, the bottom of angle measurement ware passes through connecting rod and the top fixed connection of mount pad.
Furthermore, the number of the connecting rods is two, and the connecting rods are of a telescopic structure.
The beneficial effects are that: according to the utility model, the base, the feed mechanism and the angle adjusting mechanism are combined for use, so that the angle of the doctor blade can be quickly adjusted according to different ink viscosities and gravure plate product patterns, even if the angle of the doctor blade deviates during printing, the angle of the doctor blade and the blade distance between the doctor blade and the gravure plate can be quickly adjusted without stopping, different printing requirements can be quickly met, the printing quality is effectively improved, and the printing speed is also increased.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic perspective view of embodiment 1 of the present utility model.
Fig. 3 is a schematic diagram of the front view structure of embodiment 1 of the present utility model.
Fig. 4 is a schematic perspective view of embodiment 2 of the present utility model.
Fig. 5 is a schematic diagram showing the front view structure of the present utility model in embodiment 2.
In the figure: 1. a base; 2. a mounting base; 3. an arc-shaped rack; 4. an adjusting rod; 5. an arc-shaped casing; 6. a reinforcing rod; 7. a gear; 8. an adjustment knob; 9. a lock nut; 10. locking the screw rod; 11. a connecting seat; 12. a feed plate; 13. a doctor blade; 14. an angle measurer.
Description of the embodiments
The utility model will be further described with reference to the drawings and examples.
Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, the words "inner" and "outer" refer to directions toward or away from a geometric center of a specific component, respectively, and the drawings are in very simplified form, and non-precise ratios are used only for convenience and clarity in assisting in explaining the embodiments of the present utility model.
Examples
As shown in fig. 1-3, the doctor blade angle adjusting device of the present embodiment is disposed on a gravure press in a gravure press printing shop of a printing factory, and is used for adjusting the angle of a doctor blade on the gravure press, and specifically includes a base 1, a feed mechanism, and an angle adjusting mechanism.
Referring to fig. 1, fig. 2 and fig. 3, the angle adjustment mechanism includes mount pad 2, arc rack 3 and adjusts pole 4, mount pad 2 sets up in base 1 below to install on the gravure press through screw fixed mounting, install and dismantle through the screw promptly, from fig. 2 can see that the quantity of arc rack 3 is two, respectively with the bottom surface both ends fixed connection of base 1, and its cambered surface orientation gravure press printing ink groove, the arc rack overlaps respectively outward and is equipped with arc cover shell 5, and arc rack 3 slides in arc cover shell 5, and the bottom of arc cover shell 5 is connected with the gravure press through the screw, and is connected through stiffener 6 between two arc cover shells 5, improves the connection steadiness between the arc cover shell 5.
Referring to fig. 1, the adjusting rod 4 is in a cylindrical structure, the adjusting rod 4 is located at the outer side of the arc-shaped rack, gears 7 are respectively installed on the peripheral surfaces of the adjusting rod 4 opposite to the arc-shaped rack 3, the gears 7 are meshed with teeth of the arc-shaped rack 3 through the gears 7, the gears 7 drive the arc-shaped rack 3 to rotate, one end, close to the mounting seat 2, of the adjusting rod 4 is a locking end, namely the right end in fig. 1, the other end is an adjusting end, namely the left end in fig. 1, of the adjusting rod is provided with an adjusting knob 8, a threaded structure is arranged on the peripheral surface of the locking end, the locking end of the adjusting rod 4 penetrates out of the end surface of the mounting seat 2 and is movably connected with the mounting seat 2 through a bearing, a locking nut 9 is sleeved on the locking end of the adjusting rod 4, and the locking nut 9 is matched with the threaded structure on the adjusting rod 4 and the end surface of the mounting seat 2 to limit the adjusting rod 4, so that the adjusting rod 4 is prevented from rotating.
Referring to fig. 1 and 3, the feeding mechanism comprises a locking screw 10, a connecting seat 11 and a feeding plate 12, wherein the connecting seat 11 is arranged above the base 1 and is in sliding connection with the top of the base 1 through a bearing sliding block and a sliding rail, so that the connecting seat 11 can perform linear reciprocating motion on the base 1, a cutter body clamp is arranged on one side surface, close to the gravure press, of the connecting seat 11, a doctor blade 13 is arranged on the cutter body clamp, and the feeding plate 12 is arranged on the top surface of the other side of the connecting seat 11.
Referring to fig. 2, a threaded hole is formed in an end surface of the feed plate 12, one end of the locking screw 10 passes through the threaded hole of the feed plate 12 and is connected with an end surface of the connecting seat 11 through a bearing, and the locking screw 10 cooperates with the threaded hole to adjust the connecting seat 11 and the doctor blade 13 mounted thereon to linearly reciprocate on the base 1 so as to adjust the distance between the gravure plate and the doctor blade 13.
Examples
The specific structure and embodiment are as in example 1, except that: referring to fig. 4 and 5, an angle measurer 14 is installed above the mounting seat 2, and the bottom edge of the angle measurer 14 and the rotation center of the mounting seat 2 are positioned at the same horizontal position to measure and represent the rotation angle of the mounting seat 2; the bottom of angle measurement ware 14 passes through the top fixed connection of connecting rod and mount pad 2, the quantity of connecting rod is two, and the connecting rod is telescopic structure.
When the device is used, after the device is installed on a gravure press, according to printing and ink scraping requirements, the angle adjustment of the ink scraping knife 13 is firstly carried out, during the angle adjustment, the adjusting rod 4 is firstly rotated, the gear 7 on the adjusting rod 4 is rotated and drives the arc-shaped rack 3 to finely adjust and rotate, the arc-shaped rack 3 synchronously drives the base 1 and the ink scraping knife 13 above the base 1 to conduct angle rotation, so that the angle adjustment of the ink scraping knife 13 is completed, when the angle adjustment is conducted, the zero-degree line of the angle measurer 14 is overlapped with the bottom edge of the base 1 to serve as an initial line of the angle measurement, the bottom edge of the base 1 is observed in real time to correspond to a numerical value displayed on the angle measurer 14, and because the ink scraping knife 13 is arranged above the base 1 in parallel, the inclination angle of the base 1 is the inclination angle of the ink scraping knife 13.
After the angle adjustment is finished, the distance between the doctor blade 13 and the gravure plate is adjusted according to the requirement, when the blade distance is adjusted, the locking screw 10 is rotated, the locking screw 10 acts on the connecting seat 11, and the connecting seat 11 slides on the top of the base 1 through the bearing sliding block and the sliding rail, so that the doctor blade 13 is driven to move, and the distance between the doctor blade 13 and the gravure plate is adjusted.
Claims (4)
1. An angle adjusting device of a doctor blade comprises a base (1), a feed mechanism and an angle adjusting mechanism; the method is characterized in that: the angle adjusting mechanism comprises a mounting seat (2), arc racks (3) and an adjusting rod (4), wherein the mounting seat (2) is arranged below a base (1) and is fixedly installed on a gravure press through screws, the number of the arc racks (3) is two, the arc racks are respectively fixedly connected with two ends of the bottom surface of the base (1), the cambered surfaces of the arc racks face to ink grooves of the gravure press, arc casings (5) are respectively sleeved outside the arc racks (3), the arc racks (3) slide in the arc casings (5), the bottom ends of the arc casings (5) are connected with the gravure press through bolts, and the two arc casings (5) are connected through reinforcing rods (6);
the adjusting rod (4) is of a cylindrical structure, the adjusting rod (4) is positioned on the outer side of the arc-shaped rack (3), gears (7) are sleeved on the peripheral surfaces of the adjusting rod, which are opposite to the arc-shaped rack (3), and are meshed with the teeth of the arc-shaped rack (3) through the gears (7), one end, close to the mounting seat (2), of the adjusting rod (4) is a locking end, the other end is an adjusting end, an adjusting knob (8) is arranged at the adjusting end, a threaded structure is arranged on the peripheral surface of the locking end, the locking end of the adjusting rod (4) penetrates out of the end surface of the mounting seat (2) and is movably connected with the mounting seat (2) through a bearing, and a locking nut (9) is sleeved on the locking end of the adjusting rod (4);
the cutter feeding mechanism comprises a locking screw (10), a connecting seat (11) and a cutter feeding plate (12), wherein the connecting seat (11) is arranged above the base (1) and is in sliding connection with the top of the base (1) through a bearing sliding block and a sliding rail, a cutter body clamp is arranged on one side surface, close to the gravure press, of the connecting seat (11), a doctor blade (13) is arranged on the cutter body clamp, and the cutter feeding plate (12) is arranged on the top surface of the other side of the connecting seat (11);
the end face of the feed plate (12) is provided with a threaded hole, and one end of the locking screw (10) penetrates through the threaded hole of the feed plate (12) and is connected with the end face of the connecting seat (11) through a bearing.
2. The doctor blade angle adjustment device of claim 1, wherein: an angle measurer (14) is arranged above the mounting seat (2), the zero-degree line of the angle measurer (14) can be in the same plane with any one bottom edge pointing to the rotation circle center on the base (1), and the bottom edge is required to coincide with the radius of a circle formed when the base (1) rotates.
3. The doctor blade angle adjustment apparatus of claim 2, wherein: the bottom of the angle measurer (14) is fixedly connected with the top of the mounting seat (2) through a connecting rod.
4. A doctor blade angle adjustment device according to claim 3, wherein: the number of the connecting rods is two, and the connecting rods are of a telescopic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320999493.9U CN219856376U (en) | 2023-04-28 | 2023-04-28 | Doctor blade angle adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320999493.9U CN219856376U (en) | 2023-04-28 | 2023-04-28 | Doctor blade angle adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219856376U true CN219856376U (en) | 2023-10-20 |
Family
ID=88337248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320999493.9U Active CN219856376U (en) | 2023-04-28 | 2023-04-28 | Doctor blade angle adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219856376U (en) |
-
2023
- 2023-04-28 CN CN202320999493.9U patent/CN219856376U/en active Active
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| GR01 | Patent grant |