CN209775837U - inking unit for printing machine - Google Patents
inking unit for printing machine Download PDFInfo
- Publication number
- CN209775837U CN209775837U CN201920100965.6U CN201920100965U CN209775837U CN 209775837 U CN209775837 U CN 209775837U CN 201920100965 U CN201920100965 U CN 201920100965U CN 209775837 U CN209775837 U CN 209775837U
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- China
- Prior art keywords
- ink fountain
- ink
- roller
- base
- fountain roller
- 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.)
- Expired - Fee Related
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- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The utility model relates to an inking unit of printing machine, include: the ink fountain comprises a base (10), an elastic film (30), an ink fountain roller (40), a plurality of ink fountain key components and two baffles; the length direction of the base (10) is parallel to the axial direction of the ink fountain roller (40), the ink fountain key assemblies are sequentially arranged along the axial direction of the ink fountain roller (40), the film (30) is laid on the base (10) and the ink fountain key assemblies, and the two baffles are respectively arranged at two ends of the ink fountain roller (40) and form an ink pool with the ink fountain roller (40) and the film (30). According to the scheme, the movable blocks in the adjacent ink fountain key assemblies are not in contact with each other, so that interference is avoided; the rubber sheet is laid on the adjacent ink fountain key assembly, and the ink fountain key assembly is not in direct contact with the ink fountain roller, so that the ink fountain key assembly is not abraded, and the ink is not in contact with the ink fountain key assembly, so that the ink fountain key assembly is not adhered to the ink fountain key assembly, and the cleaning is convenient.
Description
Technical Field
The utility model relates to a printing machine technical field, concretely relates to inking unit of printing machine.
Background
Inking units are an important component of printing presses. Referring to fig. 1, the conventional inking device mainly includes an ink fountain roller 2, an ink fountain key 1, and a driving block 3. The arrangement of a plurality of ink fountain keys and the baffle plates on two sides jointly form a dam type ink pool, the driving block 3 rotates to drive one end of the ink fountain key to move up and down, so that the gap between the ink fountain key 1 and the ink fountain roller 2 is changed, and ink in the ink fountain pool flows onto the ink fountain roller 2 through the gap and then is transferred to the roller to be supplied to the printing machine.
The existing inking device has the following disadvantages:
(1) The front end of the ink fountain key 1 is right-angled and directly contacts with the ink fountain roller 2, the contact surface is easy to wear, and the gap between the ink fountain key and the ink fountain roller 2 can be directly influenced.
(2) Because ink fountain key 1 direct contact printing ink, therefore gap and terminal surface between adjacent ink fountain key 1 can the adhesion printing ink, and after the printing ink dried, adjacent ink fountain key 1 can the adhesion be as an organic whole. If it is necessary to operate a certain ink fountain key 1, the ink fountain key 1 is inhibited by the adjacent ink fountain key 1, and the ink fountain key cannot be operated accurately at a high speed, and the amount of ink supplied is inaccurate, which seriously affects the printing quality. Meanwhile, an operator can only frequently operate the ink key, the frequency of use of the driving motor is many times higher than that of normal use, the service life is seriously shortened, and the ink key faults are caused by the failure.
(3) And the ink adhered to the ink fountain key 1 needs to be cleaned during maintenance, so that the maintenance period is short, and time and labor are wasted. The drive motor has a short life and is prone to failure, and the associated circuit board and circuitry are also prone to failure, which can be costly to maintain.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an inking unit of printing machine to solve prior art inking unit and wash the problem of trouble, the easy adhesion of ink marker key.
In order to achieve the above object, an aspect of the present invention provides an inking apparatus for a printing press, including: the ink fountain comprises a base, an elastic film, an ink fountain roller, a plurality of ink fountain key components and two baffles;
The length direction of the base is parallel to the axial direction of the ink fountain roller, the ink fountain key assemblies are sequentially arranged along the axial direction of the ink fountain roller, the film is laid on the base and the ink fountain key assemblies, the two baffles are respectively arranged at two ends of the ink fountain roller, and an ink pool is formed by the two baffles, the ink fountain roller and the film;
each of the ink fountain key assemblies includes: connecting seat and movable block, every connecting seat all is connected on the base, the connecting seat is being close to the mounting groove has been seted up to the one end of ink fountain roller, the ink fountain roller is keeping apart the film is closely in on the curb plate of mounting groove, the rotatable setting of movable block is in the mounting groove for the defeated china ink volume of control.
Optionally, a cover plate is laid on the base and the ink fountain key assembly, and the cover plate is located below the rubber sheet.
optionally, a pin shaft is arranged in each ink fountain key assembly, the movable block is rotatably arranged in the mounting groove through the pin shaft, and the axis direction of the pin shaft is parallel to the axis direction of the ink fountain roller.
Optionally, one end of the movable block is provided with a return spring, the other end of the movable block is provided with a driving mechanism, and the return spring and the driving mechanism respectively act on two ends of the movable block to drive the movable block to rotate.
optionally, the movable block has an arc surface at a position close to the duct roller, and the side plate of the mounting groove has an arc corner at a position close to the duct roller.
Optionally, each connecting seat is provided with a counter bore at one end connected with the base, the base is provided with a threaded hole at the position of each counter bore, each counter bore is internally provided with a connecting bolt, each connecting bolt is sleeved with a pressure spring, and two ends of each pressure spring respectively act on the connecting bolt and the stress surface of each counter bore.
Optionally, the bore diameter of the counter bore is larger than the diameter of the connecting bolt, so that the connecting seat can move relative to the base.
optionally, the base is provided with a plurality of elastic thrust assemblies for pushing the corresponding connecting seats, and the force application direction of the elastic thrust assemblies faces the ink fountain roller.
optionally, each of said elastic thrust assemblies comprises: the base is provided with a plurality of through holes, each through hole is internally provided with the thrust spring and the thrust bolt, the thrust bolt is screwed at the end part of the corresponding through hole, one end of the thrust spring acts on the thrust bolt, and the other end of the thrust spring acts on the connecting seat.
the utility model discloses another aspect provides an inking unit of printing machine, include: an ink fountain roller, an elastic film, a plurality of ink fountain key components and two baffles,
The ink fountain key assemblies are sequentially arranged along the axial direction of the ink fountain roller, the films are laid on the ink fountain key assemblies, the two baffles are respectively arranged at the two ends of the ink fountain roller, and form an ink pool with the ink fountain roller and the films;
Each of the ink fountain key assemblies includes: the fixing seat is provided with a mounting groove, the ink fountain roller is closely leaned on a side plate of the mounting groove through the film, and the movable block is rotatably arranged in the mounting groove and used for controlling the ink conveying amount.
The technical scheme of the utility model following beneficial effect has at least: the movable blocks in the adjacent ink fountain key assemblies are not contacted with each other, so that interference is avoided; the rubber sheet is laid on the adjacent ink fountain key assembly, and the ink fountain key assembly is not in direct contact with the ink fountain roller, so that the ink fountain key assembly is not abraded, and the ink is not in contact with the ink fountain key assembly, so that the ink fountain key assembly is not adhered to the ink fountain key assembly, and the cleaning is convenient; in addition, the film is low in manufacturing cost, only needs to be replaced regularly, and the ink fountain key assembly almost does not need to be cleaned and maintained, so that labor is saved; when the printing ink needs to be changed in production, the film is only needed to be changed, so that the printing ink is simple, convenient and time-saving.
Drawings
FIG. 1 is a schematic view of a prior art inking apparatus;
FIG. 2 is a partial schematic view of an inking device according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of an inking device at the location of an elastic thrusting assembly according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of an inking system according to an embodiment of the present invention, shown in the center of an ink fountain key assembly;
FIG. 5 is an exploded view of some of the components of an ink delivery device according to an embodiment of the present invention;
FIG. 6 is an exploded view of some of the components of an ink delivery device according to another embodiment of the present invention;
fig. 7 is a cross-sectional view of a portion of the assembly of the inker in the center of the holder in the alternative embodiment of fig. 6.
Reference numerals:
10-a base;
21-a connecting seat; 211-a mounting groove; 212-side plate; 213-connecting bolt; 214-a pressure spring; 22. 22 b-a movable block; 221-arc surface; 23. 83-pin shaft; 24. 82-a return spring;
21 a-a fixed seat;
30-film;
40-an ink fountain roller;
50-a cover plate;
61-a thrust spring; 62-a thrust bolt;
70-a drive mechanism; 71-a drive block; 72-motor ram;
81-adjusting bolts; 84-bearing.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are some, but not all embodiments of the invention. The specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Implementation mode one
Referring to fig. 2, the inking unit of the printing press according to the present embodiment includes: the ink fountain comprises a base 10, an elastic film 30, an ink fountain roller 40, a plurality of ink fountain key components and two baffles; wherein the film 30 may be a film having a certain elasticity. Further, the length direction of the base 10 is parallel to the axial direction of the ink fountain roller 40, the plurality of ink fountain key assemblies are sequentially arranged along the axial direction of the ink fountain roller 40, the film 30 is laid on the base 10 and the plurality of ink fountain key assemblies, the two baffles are respectively arranged at two ends of the ink fountain roller 40, and form an ink pool with the ink fountain roller 40 and the film 30; in conjunction with fig. 2 or fig. 3, the ink reservoir is used to contain ink.
Specifically, each of the ink fountain key assemblies includes: each connecting seat 21 is connected to the base 10, a mounting groove 211 is formed at one end of the connecting seat 21 close to the ink fountain roller 40, the ink fountain roller 40 abuts against a side plate 212 of the mounting groove 211 through the film 30, and the movable block 22 is rotatably arranged in the mounting groove 211 and used for controlling the ink delivery amount.
In the above technical solution, when the movable block 22 is far away from the ink fountain roller 40, the gap between the two is increased, the ink is driven by the rotation of the ink fountain roller 40 to squeeze the film 30, and the part of the film 30 between the two side plates 212 is deformed, so that the ink flows to the lower side surface of the ink fountain roller 40 to complete the inking, and in this embodiment, the ink fountain roller 40 rotates counterclockwise.
The scheme at least has the following beneficial effects: the movable blocks 22 in adjacent ink fountain key assemblies are not in contact with each other and do not interfere with each other; the rubber sheet 30 is laid on the adjacent ink fountain key components, and the ink fountain key components are not in direct contact with the ink fountain roller 40, so that the ink fountain key components are not abraded, and the ink is not in contact with the ink fountain key components, so that the ink fountain key components are not adhered to the ink fountain key components, and the cleaning is convenient; in addition, the manufacturing cost of the film 30 is low, only the film needs to be replaced regularly, and the ink fountain key assembly almost does not need to be cleaned and maintained, so that labor is saved; when the printing ink needs to be changed in production, only the film 30 needs to be changed, so that the printing ink is simple, convenient and time-saving.
further, in order to make the laying surface of the film 30 smoother, a cover plate 50 is laid on the base 10 and the ink fountain key assembly, and the cover plate 50 is located under the film 30.
Further, a pin shaft 23 is arranged in each ink fountain key assembly, the movable block 22 is rotatably arranged in the mounting groove 211 through the pin shaft 23, and the axial direction of the pin shaft 23 is parallel to the axial direction of the ink fountain roller 40, that is, the movable block 22 rotates around the pin shaft 23.
With further reference to fig. 4, one end of the movable block 22 is provided with a return spring 24, and the other end is provided with a driving mechanism 70, and the return spring 24 and the driving mechanism 70 respectively act on two ends of the movable block 22 to drive the movable block 22 to rotate. The driving mechanism 70 comprises a driving block 71 and a motor mandril 72, the driving block 71 can be pushed to rotate by the motor mandril 72, the driving block 71 acts on the movable block 22, so as to drive the movable block 22 to rotate, and the movable block 22 can automatically reset under the action of the return spring 24. Rotation of the movable block 22 changes the distance from the fountain roller 40, thereby achieving ink reduction (closer to the fountain roller 40) and ink addition (further from the fountain roller 40). The mechanism has smaller size, short moving fulcrum distance of the movable block 22, low requirement on the elasticity of the return spring 24 and prolonged service life.
Further, referring to fig. 5, the movable block 22 has an arc surface 221 at a position close to the duct roller 40, and the side plate 212 of the mounting groove 211 has an arc corner at a position close to the duct roller 40. The arc corner can match the arc surface 221, and since the duct roller 40 is pressed against the side plate 212 of the mounting groove 211, the movable range of the movable block 22 is always within the side plate 212.
with reference to fig. 4, a counter bore is formed in one end of each connecting seat 21 connected to the base 10, a threaded hole is formed in each counter bore of the base 10, a connecting bolt 213 is arranged in each counter bore, a pressure spring 214 is sleeved on each connecting bolt 213, and two ends of each pressure spring 214 respectively act on the connecting bolt 213 and a stressed surface of each counter bore, so that the connecting seats 21 are tightly pressed on the base 10. When the force applied by the driving mechanism 70 is too large, the connecting seat 21 can be properly lifted for a certain distance, and the risk of damage to the components is reduced. Of course, a counter bore may also be provided at a corresponding position of the base 10, so that the connecting screw 213 is connected to the connecting socket 21 through the counter bore underneath. The position of the connecting bolt 213 can be adjusted by those skilled in the art according to the specific design requirements.
Further, the diameter of the counter bore is larger than the diameter of the connecting bolt 213, so that the connecting seat 21 can move relative to the base 10, that is, the connecting seat 21 can properly adjust the distance from the ink fountain roller 40.
further, in order to ensure that the side plates 212 of the mounting groove 211 are always extruded with the ink fountain roller 40, in this embodiment, the base 10 is provided with a plurality of elastic thrust assemblies for pushing the corresponding connecting seats 21, and the force application directions of the elastic thrust assemblies face the ink fountain roller 40.
Referring to fig. 3, in particular, each of said elastic thrust assemblies comprises: the base 10 is provided with a plurality of through holes, each through hole is provided with the thrust spring 61 and the thrust bolt 62, the thrust bolt 62 is screwed at the end part of the corresponding through hole, one end of the thrust spring 61 acts on the thrust bolt 62, and the other end acts on the end surface of the connecting seat 21. Wherein each connecting seat 21 can be pushed by one or more elastic thrust assemblies, in the present embodiment, each connecting seat 21 is pushed by two elastic thrust assemblies.
second embodiment
Regarding the inking device, the present invention provides another embodiment, which is different from the first embodiment mainly in the composition of the ink fountain key assembly, and in combination with fig. 6 and 7, the inking device of the printing machine of the present embodiment includes: the ink fountain comprises an ink fountain roller 40, an elastic film 30, a plurality of ink fountain key components and two baffles, wherein the ink fountain key components are sequentially arranged along the axial direction of the ink fountain roller 40, the film 30 is laid on the ink fountain key components, the two baffles are respectively arranged at two ends of the ink fountain roller 40 and form an ink pool with the ink fountain roller 40 and the film 30; each of the ink fountain key assemblies includes: the fixing seat 21a is provided with a mounting groove, the ink fountain roller 40 is abutted against a side plate of the mounting groove through the film 30, and the movable block 22b is rotatably arranged in the mounting groove and used for controlling the ink conveying amount.
specifically, the ink fountain key assembly further comprises an adjusting bolt 81, bearings 84, a pin 83 and a return spring 82, wherein the movable block 22b is rotatably connected with the fixed seat 21a through the two bearings 84 and the pin 83, the connecting position is the end parts of the fixed seat 21a and the movable block 22b, a through hole is formed in a position close to the other end of the fixed seat 21a, the adjusting bolt 81 penetrates through the through hole to be connected with the fixed seat 22b, the return spring 82 is arranged on the adjusting bolt 81, and the driving mechanism 70 can act on the movable block 22b, so that the distance from the ink fountain roller 40 is adjusted.
this embodiment has at least the following advantageous effects: the movable blocks 22b in the adjacent ink fountain key assemblies are not in contact with each other and do not interfere with each other; the rubber sheet 30 is laid on the adjacent ink fountain key components, and the ink fountain key components are not in direct contact with the ink fountain roller 40, so that the ink fountain key components are not abraded, and the ink is not in contact with the ink fountain key components, so that the ink fountain key components are not adhered to the ink fountain key components, and the cleaning is convenient; in addition, the manufacturing cost of the film 30 is low, only the film needs to be replaced regularly, and the ink fountain key assembly almost does not need to be cleaned and maintained, so that labor is saved; when the printing ink needs to be changed in production, only the film 30 needs to be changed, so that the printing ink is simple, convenient and time-saving. Compared with the first embodiment, the method is simpler, convenient to implement and low in implementation cost.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. An inking unit of a printing machine, comprising: the ink fountain comprises a base (10), an elastic film (30), an ink fountain roller (40), a plurality of ink fountain key components and two baffles;
The length direction of the base (10) is parallel to the axial direction of the ink fountain roller (40), the ink fountain key assemblies are sequentially arranged along the axial direction of the ink fountain roller (40), the film (30) is laid on the base (10) and the ink fountain key assemblies, the two baffles are respectively arranged at two ends of the ink fountain roller (40) and form an ink pool with the ink fountain roller (40) and the film (30);
Each of the ink fountain key assemblies includes: connecting seat (21) and movable block (22), every connecting seat (21) all are connected on base (10), connecting seat (21) are being close to mounting groove (211) have been seted up to the one end of ink fountain roller (40), ink fountain roller (40) separate film (30) are close to on curb plate (212) of mounting groove (211), the rotatable setting of movable block (22) is in mounting groove (211) for the defeated china ink volume of control.
2. The inking unit of a printing press according to claim 1, wherein said base (10) and said ink fountain key assembly are overlaid with a cover plate (50), said cover plate (50) being located under said film (30).
3. The inking device of a printing press according to claim 1, wherein a pin (23) is provided in each of said ink fountain key assemblies, said movable block (22) is rotatably provided in said mounting groove (211) via said pin (23), and an axial direction of said pin (23) is parallel to an axial direction of said ink fountain roller (40).
4. The inking device of a printing machine according to claim 3, wherein said movable block (22) is provided at one end with a return spring (24) and at the other end with a drive mechanism (70), said return spring (24) and said drive mechanism (70) acting respectively on the two ends of said movable block (22) to drive said movable block (22) in rotation.
5. the inking device of a printing press according to claim 3, wherein said movable block (22) has a circular arc surface (221) at a position close to said duct roller (40), and said side plate (212) of said mounting groove (211) has a circular arc corner at a position close to said duct roller (40).
6. The inking device of a printing press according to claim 1, wherein each connecting seat (21) is provided with a counter bore at one end connected with the base (10), the base (10) is provided with a threaded hole at the position of each counter bore, a connecting bolt (213) is arranged in each counter bore, each connecting bolt (213) is sleeved with a pressure spring (214), and two ends of each pressure spring (214) respectively act on the connecting bolt (213) and the stress surface of each counter bore.
7. the inking device of a printing press according to claim 6, wherein the counter bore has a diameter greater than the diameter of the connecting bolt (213) to enable the connecting seat (21) to move relative to the base (10).
8. the inking device of a printing machine according to claim 7, wherein said base (10) is provided with a plurality of elastic thrusting members for thrusting the corresponding connecting seats (21), the thrusting direction of said elastic thrusting members being directed towards said duct roller (40).
9. The inking device of a printing press according to claim 8, wherein each of said elastic thrusting assemblies comprises: the connecting seat is characterized by comprising a thrust spring (61) and a thrust bolt (62), wherein a plurality of through holes are formed in the base (10), the thrust spring (61) and the thrust bolt (62) are arranged in each through hole, the thrust bolt (62) is screwed at the end part of the corresponding through hole, one end of the thrust spring (61) acts on the thrust bolt (62), and the other end of the thrust spring acts on the connecting seat (21).
10. An inking unit of a printing machine, comprising: an ink fountain roller (40), an elastic film (30), a plurality of ink fountain key components and two baffles,
The ink fountain key assemblies are sequentially arranged along the axial direction of the ink fountain roller (40), the films (30) are laid on the ink fountain key assemblies, the two baffles are respectively arranged at two ends of the ink fountain roller (40), and form ink pools with the ink fountain roller (40) and the films (30);
Each of the ink fountain key assemblies includes: the ink fountain roller comprises a fixed seat (21a) and a movable block (22b), wherein the fixed seat (21a) is provided with a mounting groove, the ink fountain roller (40) is abutted to a side plate of the mounting groove through the film (30), and the movable block (22b) is rotatably arranged in the mounting groove and used for controlling the ink conveying amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920100965.6U CN209775837U (en) | 2019-01-22 | 2019-01-22 | inking unit for printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920100965.6U CN209775837U (en) | 2019-01-22 | 2019-01-22 | inking unit for printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209775837U true CN209775837U (en) | 2019-12-13 |
Family
ID=68793034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920100965.6U Expired - Fee Related CN209775837U (en) | 2019-01-22 | 2019-01-22 | inking unit for printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209775837U (en) |
-
2019
- 2019-01-22 CN CN201920100965.6U patent/CN209775837U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20220122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |