Printing roller ink scraping structure

Abstract

The utility model discloses an ink scraping structure of a printing roller, which relates to the technical field of ink scraping structures and comprises a mounting frame and an extrusion component. A printing roller is rotationally connected to the upper portion of the front side of the mounting frame, a storage groove is formed in the upper side of the mounting frame, and a moving assembly is mounted in the storage groove; the extrusion assembly comprises a mounting ring, a connecting ring, a fixing plate, a bolt, a connecting shaft and an extrusion pipe, the mounting ring is arranged on the circumferential surface of the printing roller, the rear end of the mounting ring is rotationally connected with the connecting ring, the fixing plate is fixed to the circumferential surface of the mounting ring, and the fixing plate is connected with the connecting ring through the bolt; uniformly distributed connecting shafts are fixed to the front end of the connecting ring, extrusion pipes are rotationally connected to the circumferential surfaces of the connecting shafts, and a scraping assembly is mounted in the mounting ring, so that the ink scraping device can be very conveniently disassembled, meanwhile, ink scraping can be performed on multiple surfaces, and the ink scraping efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ink scraping structures, in particular to an ink scraping structure for a printing roller. Background Art

[0002] In the printing process, the ink roller should ensure good working stability of the ink delivery system, uniformity of the ink and continuous ink supply. The ink roller should have good ink affinity, elasticity, and solvent resistance. The roller core of the ink roller should have good rigidity and strength and anti-deformation ability. The ink scraper is a thin sheet used on the printing press to scrape off excess ink on the surface of the ink roller;

[0003] The existing ink scraping structure of the printing roller of the printing machine is relatively simple. When in use, most of the ink is scraped on one side and it cannot be scraped quickly, which makes the ink scraping efficiency low. Moreover, the scraper cannot be disassembled and cleaned when not in use, which affects the ink scraping quality. Therefore, we propose a printing roller ink scraping structure. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a printing roller scraping structure, which can be very conveniently disassembled and can scrape ink on multiple sides to improve the scraping efficiency, and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a printing roller scraping structure, including a mounting frame and an extrusion assembly;

[0006] Mounting frame: A printing roller is rotatably connected to the upper part of the front side, a storage slot is provided on the upper side of the mounting frame, and a moving component is installed inside the storage slot;

[0007] Extrusion assembly: includes a mounting ring, a connecting ring, a fixing plate, bolts, a connecting shaft and an extrusion tube. A mounting ring is arranged on the circumferential surface of the printing roller, and the rear end of the mounting ring is rotatably connected with the connecting ring. A fixing plate is fixed on the circumferential surface of the mounting ring, and the fixing plate is connected to the connecting ring through bolts. An evenly distributed connecting shaft is fixed to the front end of the connecting ring, and an extrusion tube is rotatably connected on the circumferential surface of the connecting shaft. A scraper assembly is installed inside the mounting ring, and a toggle assembly is installed on the circumferential surface of the connecting ring. The toggle assembly cooperates with the scraper assembly, and all the extrusion disks are extruded by setting the extrusion assembly.

[0008] Furthermore, the scraper assembly includes a sliding rod, an extrusion disk, a connecting box, a magnet, a T-shaped scraper plate and a spring. The circumferential surface of the mounting ring is provided with evenly distributed sliding holes, the sliding holes are slidably connected to the sliding rod, the end face of the sliding rod located outside the mounting ring is fixed with an extrusion disk, the extrusion tube is fitted with the end face of the extrusion disk, the other end of the sliding rod is fixed with a connecting box, the interior of the connecting box is fixed with a magnet, the interior of the connecting box is slidably connected with a T-shaped scraper plate, the T-shaped scraper plate is adsorbed together with the magnet, the T-shaped scraper plate is fitted with the surface of the printing roller, the circumferential surface of the sliding rod is sleeved with a spring, one end of the spring is fixed to the interior of the mounting ring, and the other end of the spring is fixed to the side of the connecting box, and the scraper assembly is set to scrape ink from the surface of the printing roller.

[0009] Furthermore, the toggle assembly includes a support ring, a movable frame, a first motor, a gear and an inner gear ring. The support ring is rotatably connected to the circumferential surface of the connecting ring, the movable frame is fixed to the lower end of the circumferential surface of the support ring, the first motor is installed on the rear side of the movable frame, a gear is fixed on the output shaft of the first motor, an inner gear ring is fixed to the rear end of the connecting ring, the gear is meshed with the inner gear ring, the input end of the first motor is electrically connected to the output end of an external control switch group, and the connecting ring is driven to rotate by setting the toggle assembly.

[0010] Furthermore, the moving component includes a mounting frame, a second motor and a threaded rod, the mounting frame is fixed inside a storage slot opened on the upper side of the mounting frame, the moving frame is slidably connected inside the mounting frame, a threaded hole is opened on the front side of the moving frame, a threaded rod is threadedly connected inside the threaded hole, the threaded rod is rotatably connected inside the mounting frame, a second motor is installed on the front side of the mounting frame, an output shaft of the second motor is fixed at the front end of the threaded rod, an input end of the second motor is electrically connected to an output end of an external control switch group, and the T-shaped scraper plate is driven to move by setting the moving component.

[0011] Furthermore, a card slot is provided at the front end of the upper side of the mounting frame, and a baffle is connected inside the card slot, so that the front end of the storage slot provided on the upper side of the mounting frame is blocked by providing the baffle.

[0012] Compared with the prior art, the beneficial effects of the utility model are: the printing roller scraping ink structure has the following advantages:

[0013] 1. By setting a moving component to drive all T-shaped scraper plates to move along the outer surface of the printing roller, the toggle component is started to rotate the connecting ring during the movement, and the rotation of the connecting ring drives all T-shaped scraper plates to rotate, so that the ink on the outer surface of the printing roller can be scraped very conveniently. In the process of scraping ink, the scraped ink will fall downward into the storage tank opened on the upper side of the mounting frame, so that the ink can be effectively prevented from spreading everywhere;

[0014] 2. By setting up the extrusion assembly, when the T-shaped scraper plate needs to be disassembled and cleaned, the bolts can be removed, and then the mounting ring is rotated to rotate all the extrusion disks and separate from all the extrusion tubes. After separation, the left and right lower connecting boxes of the spring will move and separate from the printing roller. After separation, the T-shaped scraper plate can be removed very conveniently, and then it can be cleaned very conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the extrusion assembly of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the scraper assembly of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the toggle assembly of the utility model.

[0019] In the figure: 1 mounting frame, 2 printing roller, 3 extrusion assembly, 31 mounting ring, 32 connecting ring, 33 fixing plate, 34 bolt, 35 connecting shaft, 36 extrusion tube, 4 scraper assembly, 41 sliding rod, 42 extrusion plate, 43 connecting box, 44 magnet, 45 T-shaped scraper plate, 46 spring, 5 toggle assembly, 51 supporting ring, 52 moving frame, 53 first motor, 54 gear, 55 inner gear ring, 6 moving assembly, 61 mounting frame, 62 second motor, 63 threaded rod, 7 baffle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0021] See also Figure 1-4 , This embodiment provides a technical solution: a printing roller scraping structure, including a mounting frame 1 and an extrusion assembly 3;

[0022] Mounting frame 1: The upper part of the front side is rotatably connected with the printing roller 2, the upper side of the mounting frame 1 is provided with a storage slot, the interior of the storage slot is provided with a moving assembly 6, the moving assembly 6 comprises a mounting frame 61, a second motor 62 and a threaded rod 63, the mounting frame 61 is fixed inside the storage slot provided on the upper side of the mounting frame 1, the moving frame 52 is slidably connected inside the mounting frame 61, a threaded hole is provided on the front side of the moving frame 52, the threaded hole is threadedly connected with a threaded rod 63, the threaded rod 63 is rotatably connected inside the mounting frame 61, the front side of the mounting frame 61 is provided with a second motor 62, the output shaft of the second motor 62 is fixed to the front end of the threaded rod 63, the input end of the second motor 62 is electrically connected to the output end of the external control switch group, and the T-shaped scraper plate 45 is driven to move by setting the moving assembly 6;

[0023] Extrusion assembly 3: includes a mounting ring 31, a connecting ring 32, a fixing plate 33, bolts 34, a connecting shaft 35 and an extrusion tube 36. The mounting ring 31 is arranged on the circumferential surface of the printing roller 2. The rear end of the mounting ring 31 is rotatably connected with the connecting ring 32. The fixing plate 33 is fixed on the circumferential surface of the mounting ring 31. The fixing plate 33 is connected to the connecting ring 32 through bolts 34. The front end of the connecting ring 32 is fixed with evenly distributed connecting shafts 35. The circumferential surface of the connecting shaft 35 is rotatably connected with the extrusion tube 36. The scraper assembly 4 is installed inside the mounting ring 31. A toggle assembly 5 is installed on the circumferential surface of the connecting ring 32, and the toggle assembly 5 cooperates with the scraper assembly 4. The scraper assembly 4 includes a slide rod 41, an extrusion disk 42, a connection box 43, a magnet 44, a T-shaped scraper plate 45 and a spring 46. The circumferential surface of the mounting ring 31 is provided with evenly distributed sliding holes, and the inside of the sliding hole is slidably connected with the slide rod 41. The end surface of the slide rod 41 located outside the mounting ring 31 is fixed with the extrusion disk 42, and the extrusion tube 36 is in contact with the end surface of the extrusion disk 42. The other end of the slide rod 41 is fixed with the connection box 43, and the inside of the connection box 43 is connected. A magnet 44 is fixed, and a T-shaped scraper plate 45 is slidably connected inside the connection box 43. The T-shaped scraper plate 45 is adsorbed together with the magnet 44, and the T-shaped scraper plate 45 is in contact with the surface of the printing roller 2. A spring 46 is sleeved on the circumferential surface of the slide rod 41, and one end of the spring 46 is fixed inside the mounting ring 31, and the other end of the spring 46 is fixed on the side of the connection box 43. The toggle assembly 5 includes a support ring 51, a moving frame 52, a first motor 53, a gear 54 and an inner gear ring 55. The support ring 51 is rotatably connected to the circumferential surface of the connection ring 32. A movable frame 52 is fixed to the lower end of the circumferential surface of the support ring 51, and a first motor 53 is installed on the rear side of the movable frame 52. A gear 54 is fixed to the output shaft of the first motor 53. An inner gear ring 55 is fixed to the rear end of the connecting ring 32, and the gear 54 is meshed with the inner gear ring 55. The input end of the first motor 53 is electrically connected to the output end of the external control switch group. The connecting ring 32 is driven to rotate by setting the toggle component 5, the surface of the printing roller 2 is scraped with ink by setting the scraper component 4, and all the extrusion disks 42 are squeezed by setting the extrusion component 3.

[0024] Wherein: a card slot is provided at the front end of the upper side of the mounting frame 1 , and a baffle plate 7 is connected inside the card slot, so that the front end of the storage slot provided at the upper side of the mounting frame 1 is blocked by the baffle plate 7 .

[0025] The working principle of the printing roller ink scraping structure provided by the utility model is as follows: during normal use, the first motor 53 can be started, and after the first motor 53 is started, the gear 54 is rotated, the gear 54 rotates to drive the inner gear ring 55 to rotate, the inner gear ring 55 rotates to drive the connecting ring 32 to rotate, the connecting ring 32 rotates to drive the mounting ring 31 to rotate, the mounting ring 31 rotates to drive all the T-shaped scraping plates 46 to rotate, and during the rotation of the second motor 62, the threaded rod 63 is started to rotate, and the threaded rod 63 rotates to drive the moving frame 52 to move, and the moving frame 52 can drive all the T-shaped scraping plates 46 to move along the outer surface of the printing roller 2, and during the rotation of the second motor 62, the threaded rod 63 is rotated to drive the moving frame 52 to move, and the moving frame 52 can drive all the T-shaped scraping plates 46 to move along the outer surface of the printing roller 2. During the movement, all the T-shaped scraper plates 46 can very conveniently scrape ink from the outer surface of the printing roller 2. During the scraping process, the scraped ink will fall downward into the storage tank opened on the upper side of the mounting frame 1. In this case, the ink can be effectively prevented from spreading everywhere. When the T-shaped scraper plates 45 need to be disassembled and cleaned, the bolts 34 can be removed, and then the mounting ring 31 can be rotated to make all the extrusion plates 42 rotate and separate from all the extrusion tubes 36. After separation, the connecting box 43 under the left and right sides of the spring 46 will move and separate from the printing roller 2. After separation, the T-shaped scraper plates 45 can be very conveniently removed, and then they can be cleaned very conveniently.

[0026] It is worth noting that the external control switch group disclosed in the above embodiment is provided with buttons corresponding to the first motor 53 and the second motor 62 one by one, and the first motor 53 and the second motor 62 can be selected as 1LE0003 three-phase asynchronous motors.

[0027] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. Printing roller scraping structure, characterized by: It comprises a mounting frame (1) and an extrusion assembly (3); The mounting frame (1) has a printing roller (2) rotatably connected to the upper front side, and a storage slot is provided on the upper side of the mounting frame (1), and a moving component (6) is installed inside the storage slot; The extrusion assembly (3) comprises a mounting ring (31), a connecting ring (32), a fixing plate (33), bolts (34), a connecting shaft (35) and an extrusion tube (36). The circumferential surface of the printing roller (2) is provided with a mounting ring (31). The rear end of the mounting ring (31) is rotatably connected to the connecting ring (32). The circumferential surface of the mounting ring (31) is fixed with a fixing plate (33). The fixing plate (33) is connected to the connecting ring (32) through bolts (34). The front end of the connecting ring (32) is fixed with evenly distributed connecting shafts (35). The circumferential surface of the connecting shaft (35) is rotatably connected to the extrusion tube (36). The interior of the mounting ring (31) is provided with a scraper assembly (4). The circumferential surface of the connecting ring (32) is provided with a toggle assembly (5). The toggle assembly (5) cooperates with the scraper assembly (4).

2. The printing roller scraping structure according to claim 1, characterized in that: The scraper assembly (4) comprises a slide bar (41), an extrusion disk (42), a connection box (43), a magnet (44), a T-shaped scraper plate (45) and a spring (46). The circumferential surface of the mounting ring (31) is provided with evenly distributed sliding holes. The interior of the sliding hole is slidably connected with the slide bar (41). The end surface of the slide bar (41) located outside the mounting ring (31) is fixed with the extrusion disk (42). The extrusion tube (36) is in contact with the end surface of the extrusion disk (42). The other end of the slide bar (41) is fixed with the connection box. (43), a magnet (44) is fixed inside the connection box (43), a T-shaped scraper plate (45) is slidably connected inside the connection box (43), the T-shaped scraper plate (45) and the magnet (44) are adsorbed together, the T-shaped scraper plate (45) is in contact with the surface of the printing roller (2), a spring (46) is sleeved on the circumferential surface of the slide rod (41), one end of the spring (46) is fixed inside the mounting ring (31), and the other end of the spring (46) is fixed on the side of the connection box (43).

3. The printing roller scraping structure according to claim 1, characterized in that: The toggle assembly (5) comprises a support ring (51), a moving frame (52), a first motor (53), a gear (54) and an inner gear ring (55); the support ring (51) is rotatably connected on the circumferential surface of the connecting ring (32); the moving frame (52) is fixed at the lower end of the circumferential surface of the supporting ring (51); the first motor (53) is installed on the rear side of the moving frame (52); the gear (54) is fixed on the output shaft of the first motor (53); the inner gear ring (55) is fixed at the rear end of the connecting ring (32); the gear (54) is meshed with the inner gear ring (55); the input end of the first motor (53) is electrically connected to the output end of an external control switch group.

4. The printing roller scraping structure according to claim 3, characterized in that: The moving assembly (6) comprises a mounting frame (61), a second motor (62) and a threaded rod (63); the mounting frame (61) is fixed inside a storage slot provided on the upper side of the mounting frame (1); the moving frame (52) is slidably connected inside the mounting frame (61); a threaded hole is provided on the front side of the moving frame (52); a threaded rod (63) is threadedly connected inside the threaded hole; the threaded rod (63) is rotatably connected inside the mounting frame (61); a second motor (62) is installed on the front side of the mounting frame (61); an output shaft of the second motor (62) is fixed to a front end of the threaded rod (63); an input end of the second motor (62) is electrically connected to an output end of an external control switch group.

5. The printing roller scraping structure according to claim 1, characterized in that: A slot is provided at the front end of the upper side of the mounting frame (1), and a baffle (7) is clamped inside the slot.

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