Ink stringing device for printing equipment and printing equipment
By using synchronous ink-string wheels and eccentric spur gears to adjust the stroke in the printing equipment, combined with the design of ink-string swing racks and connecting rod components, the problem of ink paths in traditional printing equipment is solved, and the uniformity of ink is achieved The uniformity and thickness are controllable, improving printing quality and adaptability.
Patent Information
- Application Number
- CN202010842196.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-08-20
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2040-08-20
AI Technical Summary
The ink path and stroke of the ink stringing device of traditional printing equipment is unadjustable, resulting in large differences in printing quality and high scrap rate, which cannot meet the coloring requirements of different printing products.
Two parallel ink wheels are used to synchronously uniform ink work, and the stroke of ink is adjusted through eccentric spur gears. Combined with the periodic swing of the ink swing frame and the driving of the connecting rod assembly, the first ink roller and the first ink roller are realized. The adjustable reciprocating stroke of the two strings of ink rollers.
The fine uniform ink and controllable thickness of the ink are achieved, the printing quality is improved, the printing effect requirements of different printing products are adapted to the reduction of scrap rate.
Smart Images
Figure CN111923595B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of printing, and in particular relates to an ink stringing device for printing equipment and printing equipment. Background Art
[0002] The function of the ink stringing device of the printing equipment is to twist and thin the ink layer through the mutual rolling between the ink stringing roller and the ink distribution roller and the simultaneous axial stringing of the ink stringing roller. The ink path, single ink stringing and ink distribution path of the traditional ink stringing device are short and fast. The ink stringing stroke is not adjustable for different coloring requirements. In addition, the existing ink stringing device is a mechanical rigid supply, the printing quality is greatly differentiated, and the scrap rate is high. Summary of the invention
[0003] In order to solve the problems in the above-mentioned background technology, the present invention provides an ink stringing device for printing equipment and printing equipment. The ink stringing device adopts two parallel ink stringing wheels to perform ink distribution work synchronously, and also adopts eccentric spur gears. The stroke requirements of ink stringing are adjusted by the eccentric spur gears. The small ink path has a small stroke, and the large ink path has a large stroke. It has the characteristics of fast ink dispersion and uniform ink distribution, which solves the requirements for printing effects of different printing products and improves the printing quality.
[0004] The first object of the present invention is to provide an ink stringing device for a printing device, comprising a first ink stringing roller, a second ink stringing roller arranged in parallel with the first ink stringing roller, and an ink stringing assembly and an eccentric adjustment assembly arranged outside the first ink stringing roller and the second ink stringing roller, wherein:
[0005] The first ink stringing roller is respectively connected to the second ink stringing roller and the eccentric adjustment assembly in a transmission manner, and the eccentric adjustment assembly is connected to the ink stringing assembly in a transmission manner;
[0006] The ink stringing assembly is connected to the first ink stringing roller and the second ink stringing roller respectively, and drives the first ink stringing roller and the second ink stringing roller to move in axial sequence.
[0007] Further, the first ink stringing roller comprises a first central shaft, a first ink stringing wheel sleeved on the first central shaft, and a first spur gear, and both ends of the first central shaft are movably connected to the first side plate and the second side plate, respectively, so as to allow the first central shaft to rotate relative to the first side plate and the second side plate in the circumferential direction of the first central shaft, and allow the first central shaft to string along the axial direction of the first central shaft;
[0008] The second ink stringing roller comprises a second central shaft, a second ink stringing wheel sleeved on the second central shaft, and a second spur gear, and both ends of the second central shaft are movably connected to the first side plate and the second side plate, respectively, so as to allow the second central shaft to rotate relative to the first side plate and the second side plate in the circumferential direction of the second central shaft, and allow the second central shaft to string along the axial direction of the second central shaft;
[0009] A third central shaft is also arranged between the first side plate and the second side plate. A third spur gear is sleeved on the third central shaft. The third spur gear is meshed with the first spur gear and the second spur gear for transmission.
[0010] Furthermore, the ink stringing assembly includes an ink stringing swing frame, an ink stringing guide wheel and an ink stringing swing arm seat. The ink stringing swing frame is installed on the second side plate through the ink stringing swing arm seat. The first center axis and the second center axis both penetrate the second side plate and extend outward to form an extension portion. The extension portion is provided with an ink stringing guide wheel. The ink stringing swing frame is installed in the groove track of the ink stringing guide wheel through a bearing.
[0011] Furthermore, the ink stringing assembly also includes an ink stringing core shaft, and the ink stringing swing frame is rotatably connected to the ink stringing swing arm seat through the ink stringing core shaft.
[0012] Furthermore, the eccentric adjustment assembly includes an intermediate transition shaft, an eccentric spur gear, an adjusting eccentric screw and an adjusting eccentric head. The intermediate transition shaft is fixedly connected to the outer side of the second side plate. The eccentric spur gear is sleeved on the intermediate transition shaft and is rotatably connected to the intermediate transition shaft. The adjusting eccentric head is inserted into the end of the eccentric spur gear and is fixedly connected to the eccentric spur gear through the adjusting eccentric screw.
[0013] Furthermore, a fourth spur gear is mounted on the extension of the first central axis, and the fourth spur gear is meshed with the eccentric spur gear for transmission.
[0014] Furthermore, the eccentric head is adjusted to be connected to the ink string swing frame through a connecting rod assembly to drive the ink string swing frame to reciprocate around the ink string core shaft.
[0015] Furthermore, the connecting rod assembly includes a joint bearing, a joint bearing seat, and an eccentric adjustment screw. There are two joint bearings and two joint bearing seats respectively. The eccentric adjustment screw connects the two joint bearing seats. Each joint bearing seat is rotatably connected to the adjusting eccentric head and the ink string swing frame through each joint bearing.
[0016] Furthermore, a slide groove is provided at the end of the eccentric spur gear, and a sliding block corresponding to the slide groove is provided on the adjusting eccentric head, and the sliding block slides up and down along the slide groove.
[0017] The second object of the present invention is to provide a printing device, comprising an ink stringing device of any one of the above-mentioned printing devices.
[0018] Compared with the prior art, the present invention has the following beneficial effects:
[0019] (1) The ink-distributing device of the printing equipment of the present invention adopts two parallel ink-distributing wheels to perform ink distribution work synchronously, and adopts eccentric spur gears at the same time. The stroke requirement of ink distribution is adjusted by the eccentric spur gears. The small ink path has a small stroke, and the large ink path has a large stroke. It has the characteristics of fast ink distribution and uniform ink distribution, which meets the requirements for printing effects of different printing products and improves the printing quality.
[0020] (2) The ink stringing device of the printing equipment of the present invention drives the first ink stringing roller and the second ink stringing roller to reciprocate according to different stroke requirements through the periodic swing of the ink stringing swing frame, thereby improving the quality of ink stringing and the printing quality.
[0021] (3) The power of the ink stringing device of the printing equipment of the present invention acts on the first central axis. The first central axis drives the first spur gear and the fourth spur gear to rotate. The first spur gear drives the second spur gear to rotate through the third spur gear. The fourth spur gear drives the eccentric spur gear to rotate. The ink stringing swing frame is driven to rotate through the eccentric spur gear, thereby realizing the circular rotation and back-and-forth axial reciprocating motion of the first ink stringing roller and the second ink stringing roller, achieving the effect of refining and evenly distributing the ink. By adjusting the eccentric head and the eccentric adjusting screw, the first ink stringing roller and the second ink stringing roller are adjustable in reciprocating stroke, thereby realizing the controllable thickness of the coloring products with different requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0023] Figure 1 It is the overall structural diagram of the ink stringing device of the printing equipment of the present invention;
[0024] Figure 2 A top view of an ink stringing device of a printing device according to the present invention;
[0025] Figure 3 It is an exploded structural diagram of the ink stringing device of the printing equipment of the present invention;
[0026] Figure 4 This is a structural diagram of the eccentric spur gear of the ink stringing device of the printing equipment of the present invention;
[0027] Figure 5 A top view of the eccentric spur gear of the ink stringing device of the printing equipment of the present invention;
[0028] Figure 6 This is a structural diagram of an eccentric head adjustment device for ink stringing in a printing device of the present invention;
[0029] Among them, 1-first ink roller, 11-first center axis, 12-first ink wheel, 13-first spur gear, 14-fourth spur gear, 2-second ink roller, 21-second center axis, 22-second ink wheel, 23-second spur gear, 3-ink assembly, 31-ink swing frame, 311-swing arm, 312-bolt type roller needle bearing, 32-ink guide wheel, 321-annular groove rail, 33-ink swing arm seat, 34- Ink string core shaft, 4-eccentric adjustment assembly, 41-intermediate transition shaft, 42-eccentric spur gear, 421-gear part, 422-eccentric adjustment part, 4221-slide groove, 43-adjusting eccentric screw, 44-adjusting eccentric head, 441-slider, 5-first side plate, 6-second side plate, 7-third center shaft, 71-third spur gear, 8-connecting rod assembly, 81-spherical bearing, 82-spherical bearing seat, 83-eccentric adjustment screw. DETAILED DESCRIPTION
[0030] The following will be combined with the accompanying drawings in the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention.
[0031] like Figure 1-6 As shown, the present invention provides an ink stringing device for a printing device, comprising a first ink stringing roller 1, a second ink stringing roller 2 arranged in parallel with the first ink stringing roller 1, and an ink stringing assembly 3 and an eccentric adjustment assembly 4 arranged outside the first ink stringing roller 1 and the second ink stringing roller 2, wherein: the first ink stringing roller 1 is respectively connected to the second ink stringing roller 2 and the eccentric adjustment assembly 4, and the eccentric adjustment assembly 4 is connected to the ink stringing assembly 3; the ink stringing assembly 3 is respectively connected to the first ink stringing roller 1 and the second ink stringing roller 2, and drives the first ink stringing roller 1 and the second ink stringing roller 2 to axially string. The present invention realizes the simultaneous circumferential rotation and axial stringing of the first ink stringing roller 1 and the second ink stringing roller 2 through the eccentric adjustment assembly 4 and the ink stringing assembly 3, realizes the effective coordination between the ink stringing rollers, and thus achieves the best ink stringing effect.
[0032] Specifically, the first ink stringing roller 1 of the present embodiment includes a first central shaft 11, a first ink stringing wheel 12 sleeved on the first central shaft 11, and a first spur gear 13. The two ends of the first central shaft 11 are movably connected to the first side plate 5 and the second side plate 6, respectively, so as to allow the first central shaft 11 to rotate relative to the first side plate 5 and the second side plate 6 around the circumferential direction of the first central shaft 11, and allow the first central shaft 11 to move in the axial direction of the first central shaft 11. The second ink stringing roller 2 includes a second central shaft 21, a second ink stringing wheel 22 sleeved on the second central shaft 21, and a second spur gear 23. The two ends of the second center shaft 21 are movably connected to the first side plate 5 and the second side plate 6 respectively, so as to allow the second center shaft 21 to rotate relative to the first side plate 5 and the second side plate 6 in the circumferential direction of the second center shaft 21, and allow the second center shaft 21 to move in the axial direction of the second center shaft 21; and a third center shaft 7 is also provided between the first side plate 5 and the second side plate 6, and the third center shaft 7 is located between the first ink stringing roller 1 and the second ink stringing roller 2, and a third spur gear 71 is sleeved on the third center shaft 7, and the third spur gear 71 is respectively meshed with the first spur gear 13 and the second spur gear 23 for transmission.
[0033] It can be known that a preferred setting method of the above-mentioned movable connection includes: through holes are provided on the first side plate 5 and the second side plate 6, the first center axis 11 and the second center axis 21 are mounted in the ink stringing bearing seat through needle bearings, and the ink stringing bearing seat is fixed on the first side plate 5 and the second side plate 6. The setting of the needle bearings enables it to move in both axial and radial directions at the same time, that is, this structural setting can simultaneously realize the rotation and stringing of the first ink stringing roller 1 and the second ink stringing roller 6, and make the ink stringing action smoother.
[0034] Specifically, Figure 1 , Figure 2 , Figure 3 As shown, the ink stringing assembly 3 of this embodiment includes an ink stringing swing frame 31, an ink stringing guide wheel 32 and an ink stringing swing arm seat 33. The ink stringing swing frame 31 is installed on the second side plate 6 through the ink stringing swing arm seat 33. The first center axis 11 and the second center axis 21 both extend outward through the through holes on the second side plate 6 to form extensions, and the extensions are both sleeved with the ink stringing guide wheel 32. The ink stringing swing frame 31 is installed in the groove of the ink stringing guide wheel 32 through a bearing.
[0035] As shown in the figure Figure 1 , Figure 2 , Figure 3It can be known that the ink-stringing guide wheel 32 of the present embodiment is a cylindrical wheel, and an annular groove 321 is provided in the middle of the cylindrical wheel. A swing arm 311 is symmetrically provided on the ink-stringing swing frame 31. The end of the swing arm 311 is located directly above the annular groove 321. A bolt-type roller needle bearing 312 is fixedly provided at the end of the swing arm 311. The bolt-type roller needle bearing 312 is located just on the annular groove 321 and abuts against the two side surfaces of the annular groove 321, so that when the swing arm 311 swings back and forth, the bolt-type roller needle bearing 312 drives the cylindrical wheel to perform axial stringing, thereby driving the first ink stringing roller 1 and the second ink stringing roller 2 to perform axial stringing.
[0036] Specifically, the ink stringing assembly 3 of the present embodiment further includes an ink stringing core shaft 34, and the ink stringing swing frame 31 is rotatably connected to the ink stringing swing arm seat 33 via the ink stringing core shaft 34. There are two ink stringing swing arm seats 33, which are arranged up and down on the second side plate 6, and the ink stringing core shaft 34 is fixedly arranged between the two ink stringing swing arm seats 33. The ink stringing swing frame 31 reciprocates around the ink stringing core shaft 34, thereby driving the first ink stringing roller 1 and the second ink stringing roller 2 to perform axial stringing.
[0037] Specifically, Figure 1 , Figure 2 , Figure 3 As shown, the eccentric adjustment assembly 4 of this embodiment includes an intermediate transition shaft 41, an eccentric spur gear 42, an adjustment eccentric screw 43 and an adjustment eccentric head 44. The intermediate transition shaft 41 is fixedly connected to the outer side of the second side plate 6. The eccentric spur gear 42 is sleeved on the intermediate transition shaft 41 and is rotatably connected to the intermediate transition shaft 41. The adjustment eccentric head 44 is inserted at the end of the eccentric spur gear 42 and is fixedly connected to the eccentric spur gear 42 through the adjustment eccentric screw 43. Figure 4 , Figure 5 , Figure 6 As shown, the eccentric spur gear 42 of this embodiment includes a gear portion 421 and an eccentric adjusting portion 422, wherein the gear portion 421 is mounted on the intermediate transition shaft 41 through a deep groove ball bearing, and a slide groove 4221 is provided at the end of the eccentric adjusting portion 422, and a slider 441 corresponding to the slide groove 4221 is provided on the adjusting eccentric head 44, and the slider 441 can slide up and down along the slide groove 4221, and the sliding distance of the slider 441 relative to the eccentric adjusting portion 422 can be adjusted by adjusting the eccentric screw 43.
[0038] Specifically, the extension of the first central shaft 11 of the present embodiment is also provided with a fourth spur gear 14, which is meshed with the eccentric spur gear 42 for transmission. It can be understood that in order to ensure that the fourth spur gear 14 and the eccentric spur gear 42 are always meshed when the first ink roller 1 is axially moved, the tooth width of the eccentric spur gear 42 needs to be greater than the tooth width of the fourth spur gear 14, and the axial movement distance of the fourth spur gear 14 is within the tooth width range of the eccentric spur gear 42, thereby ensuring that the fourth spur gear 14 is always meshed with the eccentric spur gear 42.
[0039] Specifically, the adjusting eccentric head 44 of the present embodiment is connected to the ink string swing frame 31 through the connecting rod assembly 8 to drive the ink string swing frame 31 to reciprocate around the ink string core shaft 34 .
[0040] Specifically, such as Figure 1 , Figure 2 , Figure 3 As shown, the connecting rod assembly 8 of this embodiment includes a joint bearing 81, a joint bearing seat 82, and an eccentric adjustment screw 83. There are two joint bearings 81 and two joint bearing seats 82 respectively. The eccentric adjustment screw 83 connects the two joint bearing seats 82. Each joint bearing seat 82 is rotatably connected to the adjusting eccentric head 44 and the ink string swing frame 31 through each joint bearing 81.
[0041] The present invention adopts two mutually parallel ink-distributing wheels to perform ink distribution work synchronously, and adopts eccentric spur gears at the same time. The stroke requirement of ink distribution is adjusted through the eccentric spur gears. The small ink path has a small stroke, and the large ink path has a large stroke. It has the characteristics of fast ink distribution and uniform ink distribution, which solves the requirements for printing effects of different printing products and improves the printing quality.
[0042] The present invention also provides a printing device, comprising any one of the above-mentioned printing device ink stringing devices.
[0043] The working principle of the present invention is as follows: the present invention drives the first central shaft 11 to rotate through a driving device, and the rotation of the first central shaft 11 drives the first spur gear 13 and the fourth spur gear 14 on the first central shaft 11 to rotate, and the first spur gear 13 drives the second spur gear 23 to rotate through the third spur gear 71, so that the first ink stringing roller 1 and the second ink stringing roller 2 can rotate in a circular manner at the same time; and the rotation of the fourth spur gear 14 drives the eccentric spur gear 42 to rotate, and the eccentric spur gear 42 drives the ink stringing swing frame 31 to reciprocate and rotate, thereby realizing the first ink stringing roller 1 and the second ink stringing roller 2 to reciprocate axially back and forth; the present invention achieves the effect of refining and evenly distributing the ink through the circumferential rotation and axial stringing of the first ink stringing roller 1 and the second ink stringing roller 2; the present invention also forms an adjustable reciprocating stroke of the first ink stringing roller 1 and the second ink stringing roller 2 by adjusting the eccentric head 44 and the eccentric adjustment screw 43, thereby realizing the controllability of the thickness of the coloring products with different requirements.
[0044] The present invention is further described above with the aid of specific embodiments. However, it should be understood that the specific description here should not be construed as limiting the essence and scope of the present invention. Various modifications made to the above embodiments by ordinary technicians in the field after reading this specification are all within the scope of protection of the present invention.
Claims
1. An ink stringing device for a printing device, characterized in that: The invention comprises a first ink stringing roller, a second ink stringing roller arranged in parallel with the first ink stringing roller, and an ink stringing assembly and an eccentric adjustment assembly arranged outside the first ink stringing roller and the second ink stringing roller, wherein: The first ink stringing roller is respectively connected to the second ink stringing roller and the eccentric adjustment assembly in a transmission connection, and the eccentric adjustment assembly is connected to the ink stringing assembly in a transmission connection; The ink stringing assembly is connected to the first ink stringing roller and the second ink stringing roller respectively, and drives the first ink stringing roller and the second ink stringing roller to move in axial sequence; The first ink stringing roller comprises a first central shaft, a first ink stringing wheel sleeved on the first central shaft, and a first spur gear, and two ends of the first central shaft are movably connected to the first side plate and the second side plate, respectively, so as to allow the first central shaft to rotate relative to the first side plate and the second side plate in the circumferential direction of the first central shaft, and allow the first central shaft to string along the axial direction of the first central shaft; The second ink stringing roller comprises a second central shaft, a second ink stringing wheel and a second spur gear sleeved on the second central shaft, and both ends of the second central shaft are movably connected to the first side plate and the second side plate respectively, so as to allow the second central shaft to rotate relative to the first side plate and the second side plate in the circumferential direction of the second central shaft, and allow the second central shaft to string along the axial direction of the second central shaft; A third central shaft is further provided between the first side plate and the second side plate, and a third spur gear is sleeved on the third central shaft, and the third spur gear is respectively meshed with the first spur gear and the second spur gear for transmission; The ink string assembly comprises an ink string swing frame, an ink string guide wheel and an ink string swing arm seat, the ink string swing frame is mounted on the second side plate through the ink string swing arm seat, the first central axis and the second central axis both penetrate the second side plate and extend outward to form an extension portion, the extension portion is sleeved with an ink string guide wheel, and the ink string swing frame is mounted in the groove track of the ink string guide wheel through a bearing; The ink stringing guide wheel is a cylindrical wheel with an annular groove rail in the middle. Swing arms are symmetrically arranged on the ink stringing swing frame. The end of the swing arm is located directly above the annular groove rail. A bolt-type roller needle bearing is fixedly arranged on the end of the swing arm. The bolt-type roller needle bearing is located just on the annular groove rail and abuts against the two side surfaces of the annular groove rail.
2. The ink stringing device of the printing equipment according to claim 1, characterized in that: The ink stringing assembly also includes an ink stringing core shaft, and the ink stringing swing frame is rotatably connected to the ink stringing swing arm seat through the ink stringing core shaft.
3. The ink stringing device of the printing equipment according to claim 2, characterized in that: The eccentric adjustment assembly includes an intermediate transition shaft, an eccentric spur gear, an adjusting eccentric screw and an adjusting eccentric head. The intermediate transition shaft is fixedly connected to the outer side of the second side plate. The eccentric spur gear is sleeved on the intermediate transition shaft and is rotatably connected to the intermediate transition shaft. The adjusting eccentric head is inserted into the end of the eccentric spur gear and is fixedly connected to the eccentric spur gear through the adjusting eccentric screw.
4. The ink stringing device of the printing equipment according to claim 3, characterized in that: A fourth spur gear is also mounted on the extension portion of the first central shaft, and the fourth spur gear is meshed with the eccentric spur gear for transmission.
5. The ink stringing device of the printing equipment according to claim 3, characterized in that: The adjustable eccentric head is connected to the ink string swing frame through a connecting rod assembly to drive the ink string swing frame to reciprocate around the ink string core shaft.
6. The ink stringing device of the printing equipment according to claim 5, characterized in that: The connecting rod assembly includes a joint bearing, a joint bearing seat, and an eccentric adjustment screw. There are two joint bearings and two joint bearing seats respectively. The eccentric adjustment screw connects the two joint bearing seats. Each joint bearing seat is rotatably connected to the adjustment eccentric head and the ink string swing frame through each joint bearing.
7. The ink stringing device of the printing equipment according to claim 3, characterized in that: A sliding groove is arranged at the end of the eccentric spur gear, and a sliding block corresponding to the sliding groove is arranged on the adjusting eccentric head, and the sliding block slides up and down along the sliding groove.
8. A printing device, characterized in that: The invention comprises an ink stringing device for a printing device as described in any one of claims 1 to 7.