Printing roller convenient to adjust and used for roller printing coating machine

Abstract

According to the technical scheme, the convenient-to-adjust printing roller for the roller printing coating machine is characterized in that the printing roller comprises a printing roller body and a bottom roller body, and the two ends of the printing roller body and the two ends of the bottom roller body are arranged on the machine wall; the printing roller is connected with an air cylinder assembly. The air cylinder assembly pushes the printing roller to move up and down, and the distance between the printing roller and the bottom roller is changed. The end part of the printing roller is connected with a movable block; a mounting notch is formed in the machine wall; the movable block is matched with the mounting notch; a rack is arranged on one side of the movable block; a ratchet wheel assembly is arranged on the machine wall; the ratchet wheel assembly is matched with the rack for limiting; a mounting plate is mounted above the mounting notch through a screw; the air cylinder assembly is mounted on the mounting plate; the air cylinder assembly comprises an air cylinder rod. The cylinder rod penetrates through the mounting plate and is connected with the upper end of the movable block; the printing roller convenient to adjust for the roller printing coating machine has the beneficial effects that potential safety hazards are reduced, and operation and adjustment are convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of printing roller, and particularly relates to a printing roller for roller printing finishing machine which is convenient to adjust. BACKGROUND

[0002] In the application field of roller printing finishing machine, the printing roller as a key component directly affects the finishing effect and production efficiency. The distance between the existing printing roller and the bottom roller is generally adjusted by a cylinder. When the product to be printed passes between the printing roller and the bottom roller, the distance between the two needs to be expanded. The adjustment and the fixed maintenance after the adjustment are generally realized by the cylinder. However, if the cylinder is damaged during the fixed maintenance, it is easy to cause safety hazards to the workers. CONTENT OF THE UTILITY MODEL

[0003] The present application aims to provide a printing roller for roller printing finishing machine which is convenient to adjust, so as to solve the technical problem of easy safety hazards in the prior art.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows: a printing roller for roller printing finishing machine which is convenient to adjust is provided, comprising a printing roller and a bottom roller, the printing roller and the bottom roller are arranged at both ends of a machine wall; the printing roller is connected with a cylinder assembly; the cylinder assembly pushes the printing roller to move up and down, so as to change the distance between the printing roller and the bottom roller; the end of the printing roller is connected with a movable block; the machine wall is provided with a mounting gap; the movable block is matched with the mounting gap; one side of the movable block is provided with a rack; the machine wall is provided with a ratchet assembly; the ratchet assembly is matched with the rack to limit.

[0005] Through the above technical scheme, the cylinder assembly is the existing design. The printing roller is controlled to move up and down by the cylinder assembly, so as to change the distance between the printing roller and the bottom roller. When the distance is changed, the rack and the ratchet assembly can play the role of safety device, preventing the printing roller from falling suddenly, thereby reducing the safety hazards. The movable block and the mounting gap can play the role of limiting, preventing the printing roller from separating from the machine wall. The machine wall is arranged in the form of a plate and located at both ends of the printing roller. The printing roller and the movable block are matched in the form of rotating cooperation. One end of the printing roller passes through the movable block and is connected with the driving equipment outside, so as to conveniently drive the printing roller to rotate and print.

[0006] Optionally, a mounting plate is mounted above the mounting gap by a screw; the cylinder assembly is mounted on the mounting plate; the cylinder assembly comprises a cylinder rod; the cylinder rod passes through the mounting plate and is connected with the upper end of the movable block; the movable block is provided with a limiting gap on both sides; the limiting plates are fixedly mounted on both sides of the mounting gap by screws; the limiting plates are matched with the limiting gap.

[0007] Through the technical scheme, the installation gap is in strip shape, and the movable block is in convex letter shape; the movable block moves in the strip-shaped track of the installation gap, and the limiting gap and the limiting plate are arranged to limit the movable block and the limiting plate, thereby preventing the movable block from being separated from the installation gap; when disassembly is needed, the limiting plate is disassembled, and then the movable block is disassembled, so that the disassembly is convenient and fast, and the effect of convenient use is achieved.

[0008] Optionally, the machine wall is provided with a mounting through hole; the machine wall is further provided with a driving rod which is rotationally matched with the mounting through hole; the ratchet wheel assembly comprises a gear and a ratchet wheel; the gear and the ratchet wheel are respectively fixedly connected with the driving rod on two sides of the machine wall; the gear is meshed with the rack.

[0009] Optionally, the ratchet wheel is matched with a pawl; the pawl is rotationally mounted on a bracket plate; the bracket plate is fixedly connected with the machine wall through screws; the bracket plate is provided with an inclined strip-shaped through hole; a limiting rod is arranged on one side of the pawl; the limiting rod is located in the strip-shaped through hole.

[0010] Optionally, the pawl is located above the ratchet wheel on the bottom roller; a gear protruding ring is arranged on the side of the gear away from the ratchet wheel; a ratchet wheel protruding ring is arranged on the side of the ratchet wheel away from the gear; the gear protruding ring and the ratchet wheel protruding ring are matched with the driving rod; a handle is arranged on the side of the pawl away from the limiting rod.

[0011] Through the technical scheme, the structure of the ratchet wheel assembly is arranged, the direction of the teeth on the ratchet wheel is arranged, the one-way limiting of the ratchet wheel can be effectively realized, when the movable block moves upward under the driving of the cylinder assembly, the rack moves, the gear rotates, the gear drives the ratchet wheel to rotate through the driving rod, if the printing roller moves downward, the ratchet wheel is limited by the pawl and cannot rotate, thereby limiting and supporting the printing roller to prevent falling, when the gap distance is normally adjusted, the pawl is driven to move upward through the handle held by the staff, the ratchet wheel is no longer limited, and normal adjustment can be realized.

[0012] The printing roller of the roll printing finishing machine has the beneficial effects of reducing safety hazards and facilitating operation and adjustment. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only a part of the application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0014] Fig. 1It is a structural schematic diagram of the embodiment of the present application.

[0015] Fig. 2 It is a structural schematic diagram of the gear of the embodiment of the present application.

[0016] Fig. 3 It is a structural schematic diagram of the ratchet wheel of the embodiment of the present application.

[0017] Fig. 4 It is a structural schematic diagram of the ratchet wheel of the embodiment of the present application from another angle.

[0018] In the figure, the reference signs are as follows: 1, printing roller; 2, bottom roller; 3, machine wall; 4, cylinder assembly; 5, movable block; 6, mounting notch; 7, rack; 8, mounting plate; 9, cylinder rod; 10, limiting notch; 11, limiting plate; 12, mounting through hole; 13, gear; 14, ratchet wheel; 15, pawl; 16, pin shaft; 17, rack plate; 18, strip-shaped through hole; 19, limiting rod; 20, gear protruding ring; 21, ratchet wheel protruding ring; 22, handle rod. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the present application more clear and explicit, the present application is further described in detail below in combination with specific embodiments.

[0020] It should be noted that when an element is referred to as being “fixed to” or “disposed on” another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it can be directly connected to the other element or indirectly connected to the other element.

[0021] It should be understood that the terms “length”, “width”, “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer” and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0022] In addition, the terms “first” and “second” are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with “first” and “second” can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of “several” is two or more, unless otherwise specifically limited.

[0023] As Figs. 1 to 4The embodiment of the present application aims to provide a printing roller for a roller printing finishing machine, which is convenient to adjust, to solve the technical problem of easy safety hazards in the prior art.

[0024] To achieve the above object, the technical scheme adopted by the present application is to provide a printing roller for a roller printing finishing machine, which is convenient to adjust, comprising a printing roller 1 and a bottom roller 2, both ends of the printing roller 1 and the bottom roller 2 are arranged on a machine wall 3; the printing roller 1 is connected with a cylinder assembly 4; the cylinder assembly 4 pushes the printing roller 1 to move up and down, changing the distance between the printing roller 1 and the bottom roller 2; the end of the printing roller 1 is connected with a movable block 5; the machine wall 3 is provided with a mounting gap 6; the movable block 5 cooperates with the mounting gap 6; one side of the movable block 5 is provided with a rack 7; the machine wall 3 is provided with a ratchet assembly; the ratchet assembly cooperates with the rack 7 to limit.

[0025] Through the above technical scheme, the cylinder assembly 4 is the existing design, the printing roller 1 is controlled to move up and down by the cylinder assembly 4, changing the distance between the printing roller 1 and the bottom roller 2, when the distance changes, the rack 7 and the ratchet assembly can play a safety role, preventing the printing roller 1 from falling suddenly, thereby reducing the safety hazard effect, and the movable block 5 and the mounting gap 6 can play a limiting effect, preventing the printing roller 1 from separating from the machine wall 3, the machine wall 3 is arranged in a plate shape and located at both ends of the printing roller 1; the cooperation between the printing roller 1 and the movable block 5 is a rotating cooperation relationship, which is the existing technology, one end of which passes through the movable block 5 and is connected with a driving device outside, which is convenient to drive the printing roller 1 to rotate and print.

[0026] Optionally, a mounting plate 8 is mounted above the mounting gap 6 through a screw; the cylinder assembly 4 is mounted on the mounting plate 8; the cylinder assembly 4 comprises a cylinder rod 9; the cylinder rod 9 passes through the mounting plate 8 and is connected with the upper end of the movable block 5; the movable block 5 is provided with a limiting gap 10 on both sides; the limiting plate 11 is fixedly installed on both sides of the mounting gap 6 through a screw; the limiting plate 11 cooperates with the limiting gap 10.

[0027] Through the above technical scheme, the mounting gap 6 is arranged in a strip shape, and the movable block 5 is arranged in a convex shape in cross section; the movable block 5 moves in the strip track of the mounting gap 6, and the limiting gap 10 and the limiting plate 11 can realize the limiting cooperation between the movable block 5 and the limiting plate 11, preventing the movable block 5 from separating from the mounting gap 6, when disassembly is needed, the limiting plate 11 is disassembled, and then the movable block 5 is disassembled, which can be disassembled conveniently and quickly, having the effect of being convenient to use.

[0028] Optionally, the machine wall 3 is provided with a mounting hole 12; the machine wall 3 is further provided with a driving rod which is rotationally fitted with the mounting hole 12; the ratchet assembly comprises a gear 13 and a ratchet 14; the gear 13 and the ratchet 14 are respectively fixedly connected with the driving rod on both sides of the machine wall 3, and the fixedly connected mode can be a key connection; the gear 13 is engaged with the rack 7.

[0029] Optionally, the ratchet 14 is matched with a pawl 15; the pawl 15 is rotationally mounted on a shelf plate 17 through a pin shaft 16; the shelf plate 17 is fixedly connected with the machine wall 3 through a screw; the shelf plate 17 is provided with an inclined strip-shaped hole 18; one side of the pawl 15 is provided with a limiting rod 19; the limiting rod 19 is located in the strip-shaped hole 18.

[0030] Optionally, the bottom roller 2 is provided with the pawl 15 above the ratchet 14; the side of the gear 13 away from the ratchet 14 is provided with a gear protruding ring 20; the side of the ratchet 14 away from the gear 13 is provided with a ratchet protruding ring 21; the gear protruding ring 20 and the ratchet protruding ring 21 are matched with the driving rod; the side of the pawl 15 away from the limiting rod 19 is provided with a holding rod 22.

[0031] Through the above technical scheme, the structure of the ratchet assembly is set, the direction of the teeth on the ratchet 14 is set, the one-way limiting of the ratchet 14 can be effectively realized, when the movable block 5 is driven by the cylinder assembly 4 to move upwards, the rack 7 moves, the driving gear 13 rotates, the gear 13 drives the ratchet 14 to rotate through the driving rod, and if the printing roller 1 moves downwards, the ratchet 14 is limited by the pawl 15 and cannot rotate, thereby limiting and supporting the printing roller 1 to prevent falling, when the gap distance is normally adjusted, the staff holds the holding rod 22, drives the pawl 15 to move upwards through the holding rod 22, and the pawl 15 no longer limits the ratchet 14, so that normal adjustment can be realized.

[0032] The beneficial effects of the present application: compared with the prior art, the printing roller of the convenient adjustment roller printing finishing machine provided by the present application has the beneficial effects of reducing safety hazards and facilitating operation and adjustment.

[0033] Those skilled in the art should understand that the discussion of any of the above embodiments is only exemplary and is not intended to imply that the scope of the present application is limited to these examples; under the idea of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in detail for the sake of brevity.

[0034] This application is intended to cover any alternatives, modifications, and variations of the application falling within the scope of the appended claims. Accordingly, any and all such alternatives, modifications, and variations are intended to be encompassed by the appended claims.

Claims

1. A printing roller for a roll coater, which is easily adjusted, comprising a printing roller (1) and a backing roller (2), which are arranged at both ends on a wall (3); characterized in that: The printing roller (1) is connected with a cylinder assembly (4); the cylinder assembly (4) pushes the printing roller (1) to displace up and down, changes the distance with the bottom roller (2); the printing roller (1) end is connected with a movable block (5); the machine wall (3) is provided with a mounting gap (6); the movable block (5) is matched with the mounting gap (6); one side of the movable block (5) is provided with a rack (7); the machine wall (3) is provided with a ratchet wheel assembly; the ratchet wheel assembly is matched with the rack (7) to limit.

2. The print roller for a roll coater for easy adjustment according to claim 1, characterized in that: The mounting gap (6) is provided above the mounting plate (8) through the screw; the cylinder assembly (4) is installed on the mounting plate (8); the cylinder assembly (4) includes a cylinder rod (9); the cylinder rod (9) passes through the mounting plate (8) and is connected with the upper end of the movable block (5); both sides of the movable block (5) are provided with a limiting gap (10); both sides of the mounting gap (6) are fixedly installed with a limiting plate (11) through the screw; the limiting plate (11) is matched with the limiting gap (10).

3. The print roller for a conveniently adjustable roll coater according to claim 2, characterized in that: The machine wall (3) is provided with a mounting through hole (12); the machine wall (3) is further provided with a driving rod which is rotationally matched with the mounting through hole (12); the ratchet wheel assembly includes a gear (13) and a ratchet wheel (14); the gear (13) and the ratchet wheel (14) are respectively fixedly connected with the driving rod on both sides of the machine wall (3); the gear (13) is engaged with the rack (7).

4. The conveniently adjustable print roll for a roll coater according to claim 3, wherein: The ratchet wheel (14) is matched with a pawl (15); the pawl (15) is rotationally installed on a rack plate (17); the rack plate (17) is fixedly connected with the machine wall (3) through the screw; the rack plate (17) is provided with an inclined strip-shaped through hole (18); one side of the pawl (15) is provided with a limiting rod (19); the limiting rod (19) is located in the strip-shaped through hole (18).

5. The conveniently adjustable print roll for a roll coater according to claim 4, wherein: The bottom roller (2) is provided with the pawl (15) above the ratchet wheel (14); one side of the gear (13) away from the ratchet wheel (14) is provided with a gear protruding ring (20); one side of the ratchet wheel (14) away from the gear (13) is provided with a ratchet wheel protruding ring (21); the gear protruding ring (20) and the ratchet wheel protruding ring (21) are matched with the driving rod; the side of the pawl (15) away from the limiting rod (19) is provided with a handle rod (22).

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