Paper positioning and adjusting device for color printing

Abstract

The utility model discloses a paper positioning and adjusting device for color printing, comprising a positioning roller, the positioning roller comprising a roller body, baffles are arranged on both sides of the roller body, the baffles comprise a fixed baffle arranged on one side of the roller body and a movable baffle arranged on the other side of the roller body, a transmission shaft is connected to the side of the roller body close to the fixed baffle, and floating grooves parallel to the axial direction of the roller body are evenly and equidistantly opened on the side of the roller body away from the fixed baffle, each floating groove is provided with a movable baffle, and the movable baffle can move in the floating groove. Traditional positioning devices can often only adapt to paper of a specific size, while the new device can adapt to paper of different sizes through the movement of the movable baffle, thereby enhancing the adaptability and flexibility of the device.

Description

Technical Field

[0001] The utility model relates to color printing, in particular to a paper positioning and adjusting device for color printing. Background Art

[0002] In the printing industry, positioning adjustment devices are crucial. Especially in the color printing process, accurate positioning of paper is crucial for accurate positioning of the image. Traditional positioning rollers usually use fixed baffles, but this method has certain limitations, cannot adapt to different sizes of paper, and is not flexible to adjust. Therefore, a device that can flexibly adjust paper positioning is imminent. Utility Model Content

[0003] In order to solve the above problems, the following technical solutions are proposed:

[0004] A paper positioning and adjustment device for color printing comprises a positioning roller, the positioning roller comprises a roller body, baffles are arranged on both sides of the roller body, the baffles comprise a fixed baffle arranged on one side of the roller body and a movable baffle arranged on the other side of the roller body, a transmission shaft is connected to the side of the roller body close to the fixed baffle, floating grooves parallel to the axial direction of the roller body are evenly and equidistantly formed on the side of the roller body away from the fixed baffle, a movable baffle is arranged in each floating groove, and the movable baffle can move in the floating groove.

[0005] Furthermore, the movable baffle is fixedly connected to the limit plate after passing through the floating groove. The limit plate is in the shape of an arc that fits the inner wall of the roller body. A floating part is provided in the roller body, and the floating part is fixedly connected to the limit plate through a connecting shaft.

[0006] Furthermore, a threaded platform is provided in the middle of one end of the roller body away from the fixed baffle, and the threaded platform is fixedly connected to the inner wall of the roller body through a mounting frame, and also includes a threaded rod, which is threadedly connected to the threaded platform, and one end of the threaded rod is rotatably connected to the floating member in the roller body.

[0007] Furthermore, the floating member is a bearing, the threaded rod is installed in the inner ring of the bearing, and the connecting shaft is fixedly connected to the outer ring of the bearing.

[0008] Furthermore, a spline head is arranged at one end of the threaded rod outside the roller body, and the threaded rod also includes a handle, on which a spline sleeve matching the spline head is arranged, and the handle can be sleeved on the spline head through the spline sleeve.

[0009] Furthermore, a limit ring is provided between the threaded rod and the spline head.

[0010] The beneficial effects of the utility model are as follows:

[0011] Enhanced adaptability: Traditional positioning devices can often only adapt to paper of a specific size, while the new device can adapt to paper of different sizes by moving the movable baffle, thereby enhancing the adaptability and flexibility of the device.

[0012] Precise positioning: The combination of the fixed baffle and the dynamic baffle can ensure the precise positioning of the paper in the device, thereby ensuring the precise alignment of the printed image and improving the printing quality.

[0013] Convenient operation: The design of threaded rod and handle makes the adjustment operation more convenient. Operators can complete positioning adjustment without additional tools, which improves operating efficiency.

[0014] Improved stability: The setting of the limit plate ensures a stable connection between the moving baffle and the connecting shaft, reduces the swing and looseness of the device during use, and improves stability. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a cross-sectional view of the interior of the positioning roller in the utility model

[0017] The description of the accompanying drawings is as follows: 1. Roller body; 11. Fixed baffle; 12. Floating groove; 2. Threaded table; 31. Threaded rod; 62. Limiting plate; 33. Spline head; 41. Handle; 42. Spline sleeve; 5. Bearing; 61. Moving baffle; 32. Limiting ring; 63. Connecting shaft. DETAILED DESCRIPTION

[0018] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] The utility model is further described below in conjunction with the accompanying drawings:

[0021] A paper positioning and adjustment device for color printing comprises a positioning roller, the positioning roller comprises a roller body 1, baffles are arranged on both sides of the roller body 1, the baffles comprise a fixed baffle 11 arranged on one side of the roller body 1 and a movable baffle 61 arranged on the other side of the roller body 1, a transmission shaft is connected to the side of the roller body 1 close to the fixed baffle 11, and floating grooves 12 parallel to the axial direction of the roller body 1 are evenly and equidistantly opened on the side of the roller body 1 away from the fixed baffle 11, and a movable baffle 61 is arranged in each floating groove 12, and the movable baffle 61 can move in the floating groove 12. The movable baffle 61 passes through the floating groove 12 and is fixedly connected to a limiting plate 62, and the limiting plate 62 is in the shape of an arc that fits the inner wall of the roller body 1, and a floating member is arranged in the roller body 1, and the floating member is fixedly connected to the limiting plate 62 through a connecting shaft 63. A threaded platform 2 is provided in the middle of one end of the roller body 1 away from the fixed baffle 11. The threaded platform 2 is fixedly connected to the inner wall of the roller body 1 through a mounting frame, and also includes a threaded rod 31. The threaded rod 31 is threadedly connected to the threaded platform 2. One end of the threaded rod 31 is rotatably connected to the floating member in the roller body 1. The floating member is a bearing 5. The threaded rod 31 is installed in the inner ring of the bearing 5, and the connecting shaft 63 is fixedly connected to the outer ring of the bearing 5. The threaded rod 31 is provided with a spline head 33 at one end outside the roller body 1, and also includes a handle 41. The handle 41 is provided with a spline sleeve 42 adapted to the spline head 33, and the handle 41 can be sleeved on the spline head 33 through the spline sleeve 42. A limit ring 32 is provided between the threaded rod 31 and the spline head 33.

[0022] The working principle of the utility model is as follows:

[0023] Positioning roller: mainly plays a supporting and transmission role, connected to the machine through the transmission shaft.

[0024] Fixed baffle 11 and movable baffle 61: The fixed baffle 11 is fixed on the roller body 1, while the movable baffle 61 can move in the axial direction through the floating groove 12. They together constitute the positioning space for the paper.

[0025] Limiting piece 62 and floating piece: The arc shape of the limiting piece 62 fits the inner wall of the roller body 1 and is fixedly connected to the floating piece, ensuring the stable connection of the moving baffle 61. The floating piece is connected to the limiting piece 62 through the connecting shaft 63, ensuring that the movement trajectory of the floating piece is limited.

[0026] Threaded rod 31 and handle 41: The threaded rod 31 is fixedly connected to the roller body 1 through the threaded table 2, and the other end is connected to the floating member through the bearing 5. The handle 41 is connected to the threaded rod 31 through the spline sleeve 42. Rotating the handle 41 can rotate the threaded rod 31, thereby moving the floating member and adjusting the position of the movable baffle 61.

[0027] In actual operation, the operator can rotate the threaded rod 31 through the handle 41 to move the floating member, thereby adjusting the position of the movable baffle 61 to ensure that the paper can be accurately located between the fixed baffle 11 and the movable baffle 61. The setting of the limit ring 32 can prevent the movable baffle 61 from excessive movement and protect the movable baffle 61 from damage.

[0028] Various embodiments of this device may involve designs of different sizes and shapes of the limit pieces 62, the floating parts, and the adjustment handles 41, but the basic principles and core component structures are basically similar.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A paper positioning and adjustment device for color printing, comprising a positioning roller, the positioning roller comprising a roller body (1), baffles being arranged on both sides of the roller body (1), characterized in that: The baffle comprises a fixed baffle (11) arranged on one side of the roller body (1) and a movable baffle (61) arranged on the other side of the roller body (1); a side of the roller body (1) close to the fixed baffle (11) is connected to a transmission shaft; a side of the roller body (1) away from the fixed baffle (11) is evenly and equidistantly provided with floating grooves (12) parallel to the axis of the roller body (1); a movable baffle (61) is arranged in each floating groove (12); and the movable baffle (61) is capable of moving in the floating groove (12).

2. A paper positioning and adjusting device for color printing according to claim 1, characterized in that: The movable baffle (61) is fixedly connected to the limiting plate (62) after passing through the floating groove (12); the limiting plate (62) is in the shape of an arc that fits the inner wall of the roller body (1); a floating member is provided inside the roller body (1); the floating member is fixedly connected to the limiting plate (62) via a connecting shaft (63).

3. The paper positioning and adjusting device for color printing according to claim 2, characterized in that: A threaded platform (2) is provided in the middle of one end of the roller body (1) away from the fixed baffle (11); the threaded platform (2) is fixedly connected to the inner wall of the roller body (1) via a mounting frame, and further comprises a threaded rod (31); the threaded rod (31) is threadedly connected to the threaded platform (2); one end of the threaded rod (31) is rotatably connected to the floating member inside the roller body (1).

4. The paper positioning and adjusting device for color printing according to claim 3, characterized in that: The floating member is a bearing (5), the threaded rod (31) is installed in the inner ring of the bearing (5), and the connecting shaft (63) is fixedly connected to the outer ring of the bearing (5).

5. The paper positioning and adjusting device for color printing according to claim 3, characterized in that: The threaded rod (31) is provided with a spline head (33) at one end outside the roller body (1), and further comprises a handle (41), the handle (41) being provided with a spline sleeve (42) adapted to the spline head (33), and the handle (41) can be sleeved on the spline head (33) via the spline sleeve (42).

6. A paper positioning and adjusting device for color printing according to claim 5, characterized in that: A limit ring (32) is provided between the threaded rod (31) and the spline head (33).

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