Scraper cleaning device of full-automatic printing machine

Abstract

The utility model discloses a scraper cleaning device of a full-automatic printing machine, relates to the technical field of printing machines, and solves the technical problems that printing ink on the surface of a scraper is directly cleaned by flowing water impact, and part of sticky printing ink is difficult to clean quickly. After a scraper is fixed in a fixing block, a motor is started, a driving block can drive the scraper to rotate in a flushing box, an upper spray head sprays water into the flushing box to drive the fixing block to rotate synchronously, a transfer gear rotates and moves on the surface of a driving gear, a driving roller rotates, and a cleaning block can slide in the fixing block in a reciprocating mode; the angle between the base block and the contact block can be rotated, and when the contact block is attached to the surface of the scraper, the cleaning block slides to enable the contact block to reciprocate on the surface of the scraper, so that the sticky ink is quickly separated from the surface of the scraper; in other words, in the scraper cleaning process, cleaning is completed through two cleaning modes of flowing water and the contact block, printing ink adhering to the surface of the scraper can be cleaned more quickly, and the relative efficiency is higher.

Description

Technical Field

[0001] The utility model belongs to the field of printing machines, relates to a printing machine scraper cleaning technology, and specifically is a fully automatic printing machine scraper cleaning device. Background Art

[0002] The scraper in the fully automatic printing machine is generally used to remove excess ink from the surface of the printing plate. During use, some ink that cannot be recovered will remain on the scraper surface. Therefore, the scraper surface needs to be cleaned after a period of time. In the prior art, the scraper is generally disassembled and cleaned.

[0003] The reference patent name is: A scraper cleaning device for a fully automatic printing machine (patent announcement number: CN218749932U). The scraper is fixed by a rotating capstan, and the capstan cooperates with the nozzle so that the scraper can rotate inside the device while the surface can be fully impacted by the water flow, thereby achieving rapid cleaning of the scraper; however, when implementing the above technical solution, the following problems exist: the viscosity of the ink will change due to changes in composition or environmental changes after long-term use, resulting in ink sticking on the scraper surface. If only running water is used to continuously impact and clean, some scrapers will take a long time to clean the ink on the surface, and a large amount of water will be used at the same time; if a large flow of water is used to impact the scraper, the ink can be quickly cleaned, but it is difficult to ensure that the high-impact water flow will not cause wear or deformation of the scraper surface.

[0004] Therefore, the utility model provides a scraper cleaning device for a full-automatic printing machine. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a scraper cleaning device for a fully automatic printing machine, which solves the problem that the ink on the scraper surface is directly cleaned by running water in the prior art, and some sticky ink is difficult to clean quickly.

[0006] To achieve the above-mentioned purpose, according to an embodiment of the first aspect of the utility model, a scraper cleaning device for a fully automatic printing press is provided, comprising: a flushing box, wherein two driving blocks are symmetrically rotated inside the flushing box, wherein the driving blocks are cylindrical, and a plurality of fixed blocks are fixedly connected between the driving blocks, wherein the fixed blocks are C-shaped and arranged in a circular array between the driving blocks, and a cleaning mechanism is arranged between the fixed blocks and the driving blocks, wherein the cleaning mechanism comprises:

[0007] A driving rod, one end of which passes through and is rotatably connected to the inside of the driving block, and one end of which is fixedly connected to the inside of the flushing box; a driving gear is fixedly connected to the surface of the driving rod located inside the driving block;

[0008] A driving roller, the driving roller is rotatably connected to the interior of the fixed block, two driving rollers are symmetrically arranged inside the fixed block, one end of the driving roller close to the driving gear is fixedly connected to a transfer gear, the driving gear and the transfer gear are meshed, and an annular groove is opened on the surface of the driving roller;

[0009] A sliding cavity is provided on the surface of the fixed block, a cleaning block is slidably connected inside the sliding cavity, a driving column is fixedly connected inside the cleaning block, and the driving column is adapted to the annular groove; a base block is rotatably connected inside the cleaning block via a rotating bearing, a contact block is detachably connected to the side of the base block close to the scraper, and a friction layer is provided on the side of the contact block close to the scraper.

[0010] Optionally, a plurality of protruding blocks are fixedly connected to the surface of the cleaning block, and the protruding blocks are elastic and symmetrically arranged on a vertical plane where the cleaning block and the scraper intersect.

[0011] Optionally, one side of the base block is fixedly connected with a locking tooth, and the cleaning block is fixedly connected with a cross tooth on a side close to the locking tooth, and the locking tooth and the cross tooth are meshed.

[0012] Optionally, a fixing spring is fixedly connected between the protruding blocks, and a transfer rod is fixedly connected to the surface of the cleaning block.

[0013] Optionally, an eccentric wheel is rotatably connected to the surface of the transfer rod, and the surface of the eccentric wheel is in contact with the surface of the protruding block.

[0014] Optionally, a sliding block is fixedly connected to a side of the contact block close to the base block, a sliding groove is provided on a side of the base block close to the contact block, and the sliding block and the sliding groove are adapted to each other.

[0015] Compared with the prior art, the utility model has the following beneficial effects: after the scraper is fixed inside the fixed block, the motor is started, the driving block will drive the scraper to rotate inside the flushing box, and water will be sprayed into the flushing box from the upper nozzle, the driving block rotates, and drives the fixed block to rotate synchronously, so the transfer gear will rotate and move on the surface of the driving gear, drive the driving roller to rotate, and enable the cleaning block on the surface of the driving roller to slide back and forth inside the fixed block, and the angles of the base block and the contact block can be rotated so that the contact block fits the surface of the scraper; during the sliding process of the cleaning block, the contact block moves back and forth on the surface of the scraper, causing the sticky ink to quickly separate from the scraper surface, thereby cleaning the scraper; that is, during the cleaning process of the scraper, there are two cleaning methods, namely, running water and contact block, which together complete the cleaning, and can clean the ink sticking to the scraper surface more quickly, with relatively higher efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural stereogram of the utility model;

[0017] Figure 2This is a three-dimensional structural cross-sectional view of the driving gear of the utility model;

[0018] Figure 3 For the utility model Figure 2 A is a magnified view of the local structure of the middle part;

[0019] Figure 4 For the utility model Figure 3 A magnified view of the local structure of C in the middle;

[0020] Figure 5 It is a three-dimensional structural cross-sectional view of the driving rod of the utility model;

[0021] Figure 6 For the utility model Figure 5 A magnified view of the local structure of B.

[0022] In the figure: 1. Flushing box; 2. Driving block; 3. Fixed block;

[0023] 4. driving rod; 41. driving gear; 42. transfer gear; 43. driving roller; 44. cleaning block; 45. sliding cavity; 46. base block; 47. contact block; 48. annular groove; 49. driving column;

[0024] 51. protruding block; 52. locking teeth; 53. cross teeth; 54. eccentric wheel; 55. fixing spring; 56. transfer rod;

[0025] 61. Sliding block; 62. Sliding slot. DETAILED DESCRIPTION

[0026] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figure 1-6 As shown, a scraper cleaning device for a fully automatic printing press comprises a flushing box 1,

[0028] The surface of the flushing box 1 is provided with a water pump, and a nozzle is fixedly provided inside the flushing box 1 corresponding to the position of the water pump. Water can be sprayed into the flushing box 1 through the water pump and the nozzle. The surface of the flushing box 1 is provided with a transparent, slidable sealing cover, and the sealing cover and the flushing box 1 are fixedly connected by a screw;

[0029] A plurality of driving blocks 2 are rotatably connected inside the flushing box 1; the driving blocks 2 are cylindrical and symmetrically arranged inside the flushing box 1, and a plurality of fixing blocks 3 are fixedly connected between the driving blocks 2; the inner surface of the fixing blocks 3 is in contact with the scraper surface;

[0030] It should be noted that the fixing blocks 3 are C-shaped, and there are six fixing blocks 3 in total, arranged in a circular array between the driving blocks 2;

[0031] The surface of the flushing box 1 is fixedly connected with a motor, one end of the motor output shaft is fixedly connected with a coupling, and the coupling is fixedly connected with the driving block 2 on one side, that is, when the motor is started, the driving block 2 and the fixed block 3 can be driven to rotate through the coupling; the surface of the fixed block 3 is provided with a screw, and the fixed block 3 fixes the position of the scraper inside through the screw;

[0032] A cleaning mechanism is provided between the fixed block 3 and the driving block 2, and the cleaning mechanism comprises:

[0033] A driving rod 4, wherein the driving rod 4 is fixedly connected to the inside of the flushing box 1, and the driving rod 4 is rotatably connected to the inside of the driving block 2; a driving gear 41 is fixedly connected to the surface of the driving rod 4;

[0034] It should be noted that one end of the driving rod 4 away from the motor is fixedly connected to the inside of the flushing box 1, and the driving rod 4 at this end passes through the driving block 2, and one end of the driving rod 4 at the other end is rotatably connected to the surface of the driving block 2; the driving gear 41 is located inside the driving block 2 away from the motor;

[0035] A driving roller 43, the driving roller 43 is connected to the fixed block 3 for rotation, and two driving rollers 43 are symmetrically arranged for rotation inside the fixed block 3, and the driving roller 43 extends along the direction of the long side of the scraper. A rotating groove is provided on the surface of the rotating block away from the motor, and the driving roller 43 slides inside the rotating groove. The end of the driving roller 43 close to the driving gear 41 is fixedly connected to the transfer gear 42, and the transfer gear 42 is meshed with the driving gear 41; an annular groove 48 is provided on the surface of the driving roller 43;

[0036] A cleaning block 44, wherein the cleaning block 44 is slidably connected to the inside of the fixed block 3, a sliding cavity 45 is provided on the surface of the fixed block 3, and the cleaning block 44 slides inside the sliding cavity 45; a plurality of protruding blocks 51 are fixedly connected to the surface of the cleaning block 44, the protruding blocks 51 are elastic, and the protruding blocks 51 are symmetrical with respect to the cleaning block 44 near the center of the scraper surface; a driving column 49 is fixedly connected to the inside of the cleaning block 44, and the driving column 49 is adapted to the annular groove 48;

[0037] A rotating bearing is fixedly connected to one side of the cleaning block 44, and a base block 46 is clamped inside the rotating bearing. The surface of the base block 46 is detachably connected to a contact block 47;

[0038] The contact block 47 is provided with a friction layer on the side opposite to the scraper. The friction layer has a rough surface and has a certain friction force when in contact with the scraper surface, which can drive the ink on the scraper surface to separate from the scraper.

[0039] In actual application, when the scraper cleaning device of the fully automatic printing machine is fixed inside the fixed block 3, the driving block 2 will drive the scraper to rotate inside the flushing box 1, and water will be sprayed into the flushing box 1 from the upper nozzle. The driving block 2 rotates, driving the fixed block 3 to rotate synchronously, so the transfer gear 42 will rotate and move on the surface of the driving gear 41, driving the driving roller 43 to rotate, so that the cleaning block 44 on the surface of the driving roller 43 can slide back and forth inside the fixed block 3, and the angles of the base block 46 and the contact block 47 can be rotated so that the contact block 47 fits the surface of the scraper; during the sliding process of the cleaning block 44, the contact block 47 reciprocates on the surface of the scraper, causing the sticky ink to quickly separate from the scraper surface, thereby cleaning the scraper; that is, during the cleaning process of the scraper, there are two cleaning methods, namely, running water and the contact block 47, which together complete the cleaning, and can clean the ink sticking to the scraper surface more quickly, with relatively higher efficiency;

[0040] In some specific embodiments, the base block 46 is fixedly connected with a locking tooth 52 on the side away from the rotating bearing, the cleaning block 44 is fixedly connected with a cross tooth 53 on the side close to the locking tooth 52, the locking tooth 52 and the cross tooth 53 are meshed, a fixing spring 55 is fixedly connected between the protruding blocks 51, a transfer rod 56 is fixedly connected to the surface of the cleaning block 44, an eccentric wheel 54 is rotatably connected to the surface of the transfer rod 56, and the surface of the eccentric wheel 54 is in contact with the surface of the protruding block 51;

[0041] Rotate the eccentric wheel 54, when the side with a smaller diameter of the eccentric wheel 54 fits with the surface of the protruding block 51, the protruding block 51 will move away from the base block 46 under the action of the fixing spring 55, at this time, the locking teeth 52 and the cross teeth 53 are disengaged, and the base block 46 is rotated to make the surface of the contact block 47 fit with the scraper surface, and rotate the eccentric wheel 54 again to make the locking teeth 52 and the cross teeth 53 mesh, which can limit the rotation of the base block 46;

[0042] In a further embodiment, a sliding block 61 is fixedly connected to a side of the contact block 47 close to the base block 46, and a sliding groove 62 is provided on a side of the base block 46 close to the contact block 47, and the sliding block 61 and the sliding groove 62 are adapted;

[0043] The working principle of the utility model is as follows: the scraper is fixed between the fixed blocks 3 by a screw, the eccentric wheel 54 is rotated to disengage the engaging teeth 52 and the cross teeth 53, the base block 46 is rotated to make the surface of the contact block 47 fit with the surface of the scraper, the position of the eccentric wheel 54 is restored, and the motor and the water pump are started again. The motor drives the driving block 2 to rotate, and then the fixed block 3 and the scraper are rotated inside the flushing box 1 for multi-angle flushing. At the same time, the movement of the fixed block 3 causes the transfer gear 42 to rotate and move on the surface of the driving gear 41, driving the driving roller 43 to rotate, so that the cleaning block 44 reciprocates inside the fixed block 3, and the contact block 47 reciprocates on the scraper surface to clean the ink on the scraper surface.

[0044] The above embodiments are only used to illustrate the technical method of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical method of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the utility model.

Claims

1. A scraper cleaning device for a fully automatic printing press, characterized in that: include: A flushing box (1), wherein two driving blocks (2) are symmetrically rotated inside the flushing box (1), the driving blocks (2) are cylindrical, a plurality of fixed blocks (3) are fixedly connected between the driving blocks (2), the fixed blocks (3) are C-shaped and are arranged in a ring array between the driving blocks (2), and a cleaning mechanism is arranged between the fixed blocks (3) and the driving blocks (2), the cleaning mechanism comprising: A driving rod (4), one end of which passes through and is rotatably connected to the inside of the driving block (2), and one end of which is fixedly connected to the inside of the flushing box (1); a driving gear (41) is fixedly connected to the surface of the driving rod (4) located inside the driving block (2); A driving roller (43), the driving roller (43) is rotatably connected to the interior of the fixed block (3), two driving rollers (43) are symmetrically arranged inside the fixed block (3), one end of the driving roller (43) close to the driving gear (41) is fixedly connected to a transfer gear (42), the driving gear (41) and the transfer gear (42) are meshed, and an annular groove (48) is provided on the surface of the driving roller (43); The fixed block (3) is provided with a sliding cavity (45) on its surface, a cleaning block (44) is slidably connected to the inside of the sliding cavity (45), a driving column (49) is fixedly connected to the inside of the cleaning block (44), and the driving column (49) and the annular groove (48) are adapted; the cleaning block (44) is rotatably connected to a base block (46) via a rotating bearing, the base block (46) is detachably connected to a contact block (47) on a side close to the scraper, and a friction layer is provided on a side close to the scraper of the contact block (47).

2. The scraper cleaning device for a fully automatic printing machine according to claim 1, characterized in that: A plurality of protruding blocks (51) are fixedly connected to the surface of the cleaning block (44); the protruding blocks (51) are elastic and symmetrically arranged on a vertical plane where the cleaning block (44) and the scraper intersect.

3. The scraper cleaning device of a fully automatic printing machine according to claim 1, characterized in that: One side of the base block (46) is fixedly connected with a locking tooth (52), and the cleaning block (44) is fixedly connected with a cross tooth (53) on a side close to the locking tooth (52), and the locking tooth (52) and the cross tooth (53) are meshed.

4. The scraper cleaning device for a fully automatic printing machine according to claim 2, characterized in that: A fixing spring (55) is fixedly connected between the protruding blocks (51), and a transfer rod (56) is fixedly connected to the surface of the cleaning block (44).

5. The scraper cleaning device for a fully automatic printing machine according to claim 4, characterized in that: The surface of the transfer rod (56) is rotatably connected to an eccentric wheel (54), and the surface of the eccentric wheel (54) is in contact with the surface of the protruding block (51).

6. The scraper cleaning device for a fully automatic printing machine according to claim 1, characterized in that: A sliding block (61) is fixedly connected to the side of the contact block (47) close to the base block (46), and a sliding groove (62) is provided on the side of the base block (46) close to the contact block (47), and the sliding block (61) and the sliding groove (62) are adapted to each other.

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