A printing roller for printing that is easy to disassemble and replace

Abstract

The utility model discloses a printing roller for printing that is easy to disassemble and replace, comprising an external roller body, an internal roller body that can rotate relatively inside the external roller body, circular mounting grooves are provided at both ends of the external roller body, a positioning mounting plate is fixedly provided inside the mounting groove on the left side, a rotating engaging groove is provided on the right side of the positioning mounting plate, front-to-back symmetrical threaded holes are provided on the positioning mounting plate, positioning bolts are provided in the threaded holes, a rectangular sliding groove is provided in the internal roller body, a straight notch is provided on the left side of the internal roller body, a movable connecting component is provided inside the internal roller body, and the roller body allows the movable rod body to be telescoped inside the roller body, thereby changing the overall length of the roller body and facilitating subsequent installation.

Description

Technical Field

[0001] The utility model relates to the field of a printing roller for printing which is convenient to disassemble and replace, in particular to a printing roller for printing which is convenient to disassemble and replace. Background Art

[0002] Printing roller is one of the accessories on the printing press, used to carry pictures, texts and logos for printing, and its main function is to transfer ink, coating, etc. to the printed matter, thus completing the printing process;

[0003] Most of the printing rollers currently used are one-piece, non-adjustable rollers, and the position of the printing roller mounting frames and the distance between the frames are fixed. The length of the roller is generally greater than the distance between the mounting frames, which makes the installation of the printing roller more troublesome, especially for some larger printing rollers. After being lifted by the lifting device, the position of the printing roller needs to be adjusted multiple times to tilt it into the installation position. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a printing roller for printing that is easy to disassemble and replace. A sliding block that can slide in a slide groove is designed so that a moving rod and a connecting bearing can follow the movement. The rotating clamping plate on the moving rod body cooperates with the rotating clamping groove on the installation positioning plate. The positioning is performed by a positioning bolt, so that the moving rod body can be extended and retracted in the roller body, thereby changing the overall length of the roller body and facilitating subsequent installation.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a printing roller for printing that is easy to disassemble and replace, comprising an external roller body, an internal roller body that can rotate relatively inside the external roller body, circular mounting grooves are provided at both ends of the external roller body, a positioning mounting plate is fixedly arranged inside the mounting groove on the left side, a rotating engaging groove is provided on the right side of the positioning mounting plate, front and rear symmetrical threaded holes are provided on the positioning mounting plate, positioning bolts are provided in the threaded holes, a rectangular slide groove is provided in the internal roller body, a straight slot is provided on the left side of the internal roller body, and a movable connecting component is provided inside the internal roller body.

[0006] As a preferred technical solution of the utility model, the movable connection assembly includes a slider, a rotating seat, a movable rod, and a rotating clamping plate. A rectangular slider is clamped inside the slide groove, a rotating seat is installed on the left side of the slider, a rotatable movable rod is installed on the rotating seat, and a rotating clamping plate that is symmetrical up and down is formed on the rod body of the movable rod.

[0007] As a preferred technical solution of the utility model, a screw-in hole matching with the positioning bolt is opened on the rotating clamping plate, and the rotating clamping plate matches with the rotating clamping groove.

[0008] As a preferred technical solution of the utility model, a connecting bearing is installed at the left end of the moving rod, and an adjusting nut formed on the rod body of the moving rod is arranged on the right side of the connecting bearing.

[0009] As a preferred technical solution of the utility model, the right end of the external roller body is connected with a fixing rod.

[0010] As a preferred technical solution of the utility model, a connecting bearing is fixedly installed on the right end of the fixing rod, and a blocking swivel is formed on the left end of the fixing rod, and the blocking swivel is fixedly connected to the external roller body 1.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] By designing a slider that can slide in the slide groove, the moving rod and the connecting bearing can move with it. The rotating clamping plate on the moving rod body cooperates with the rotating clamping groove on the installation positioning plate. The positioning is performed by the positioning bolt, so that the moving rod body can be extended and retracted in the roller body, changing the overall length of the roller body and facilitating subsequent installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the external roller body of the utility model;

[0015] Figure 3 This is a schematic diagram of the internal structure of the positioning and mounting plate of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the slider of the utility model;

[0017] Among them: 1. External roller body; 2. Fixed rod; 3. Connecting bearing; 4. Adjusting nut; 5. Mounting groove; 6. Internal roller body; 7. Sealing swivel; 8. Slide groove; 9. Straight groove; 10. Slider; 11. Rotating seat; 12. Moving rod; 13. Rotating clamping plate; 14. Positioning mounting plate; 15. Rotating clamping groove; 16. Threaded hole; 17. Positioning bolt. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0019] Example

[0020] Please refer to Figure 1 As shown, the utility model provides a printing roller for printing that is easy to disassemble and replace, including an external roller body 1, a fixing rod 2 is connected to the right end of the external roller body 1, the fixing rod 2 is used to support the roller body, a connecting bearing 3 is fixedly installed on the right end of the fixing rod 2, and a blocking swivel 7 is formed on the left end of the fixing rod 2, and the blocking swivel 7 is fixedly connected to the external roller body 1;

[0021] like Figure 1 - Figure 4 As shown, the inner roller body 6 can rotate relatively inside the outer roller body 1, circular mounting grooves 5 are provided at both ends of the outer roller body 1, a positioning mounting plate 14 is fixedly provided inside the mounting groove 5 on the left side, a rotating engaging groove 15 is provided on the right side of the positioning mounting plate 14, and threaded holes 16 symmetrical in front and back are provided on the positioning mounting plate 14, and positioning bolts 17 are provided in the threaded holes 16, a rectangular slide groove 8 is provided in the inner roller body 6, a straight notch 9 is provided on the left side of the inner roller body 6, and a movable connecting component is provided inside the inner roller body 6, and the movable connecting component includes a slider 10, a rotating seat 11, a moving rod 12, and a rotating clamping plate 13, a rectangular slider 10 is clamped inside the slide groove 8, and the slider A rotating seat 11 is installed on the left side of 10, and a rotatable moving rod 12 is installed on the rotating seat 11. A rotating clamping plate 13 symmetrically formed on the rod body of the moving rod 12 is formed. A screw hole matching the positioning bolt 17 is opened on the rotating clamping plate 13, and the rotating clamping plate 13 matches the rotating clamping groove 15. A connecting bearing 3 is installed on the left end of the moving rod 12, and an adjusting nut 4 formed on the rod body of the moving rod 12 is arranged on the right side of the connecting bearing 3. The slider 10 is at the right end of the slide groove 8, the rotating clamping plate 13 is at the right position inside the straight notch 9, and the rotating clamping plate 13 is on the right side of the positioning mounting plate 14. A hexagonal adjusting nut 4 is formed on the rod body of the moving rod 12 to facilitate the rotation of the moving rod 12;

[0022] When installing the roller body, use the lifting device to lift the roller body. At this time, the rod body of the moving rod 12 and the connecting bearing 3 are in the contraction device, so that the length of the entire roller body becomes smaller. After placing the connecting bearing 3 on the right side on the mounting frame, the roller body is leveled as a whole, and the connecting bearing 3 on the left side is pulled to make the slider 10 slide to the left along the slide groove 8, and the rotating clamping plate 13 slides to the left along the straight groove 9, and the moving rod 12 moves to the left until the rotating clamping plate 13 enters the rotating clamping groove 15 provided on the positioning mounting plate 14, and then the adjusting nut 4 is rotated to drive the moving rod 12 to rotate. When the moving rod 12 rotates, the rod body rotates on the rotating seat 11, and the rotating clamping plate 13 rotates in the rotating clamping groove 15 until the rotating clamping plate 13 and the threaded holes 16 on the positioning mounting plate 14 are aligned, and the positioning bolts 17 are screwed to fix the rotating clamping plate 13, and at the same time, the position of the moving rod 12 is fixed. At this time, the connecting bearing 3 on the moving rod 12 can also be erected on the mounting frame to complete the overall installation;

[0023] Specific working principle:

[0024] When using the device, first use the lifting device to lift the roller body. At this time, the rod body of the moving rod 12 and the connecting bearing 3 are in the contraction device, so that the length of the entire roller body becomes smaller. After placing the connecting bearing 3 on the right side on the mounting frame, the roller body is leveled as a whole, and the connecting bearing 3 on the left side is pulled to make the slider 10 slide to the left along the slide groove 8, and the rotating clamping plate 13 slides to the left along the straight groove 9, and the moving rod 12 moves to the left until the rotating clamping plate 13 enters the rotating clamping groove 15 opened on the positioning mounting plate 14, and then the adjusting nut 4 is rotated to drive the moving rod 12 to rotate. When the moving rod 12 rotates, the rod body rotates on the rotating seat 11, and the rotating clamping plate 13 rotates in the rotating clamping groove 15 until the rotating clamping plate 13 and the threaded holes 16 on the positioning mounting plate 14 are aligned, and the positioning bolts 17 are screwed to fix the rotating clamping plate 13, and at the same time, the position of the moving rod 12 is fixed. At this time, the connecting bearing 3 on the moving rod 12 can also be erected on the mounting frame to complete the overall installation.

[0025] 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. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A printing roller for printing that is easy to disassemble and replace, comprising an outer roller body (1), characterized in that: The inner roller body (6) is relatively rotatable inside the outer roller body (1), and circular mounting grooves (5) are provided at both ends of the outer roller body (1). A positioning mounting plate (14) is fixedly provided inside the mounting groove (5) on the left side, and a rotating engaging groove (15) is provided on the right side of the positioning mounting plate (14). The positioning mounting plate (14) is provided with front-to-back symmetrical threaded holes (16), and positioning bolts (17) are provided in the threaded holes (16). A rectangular sliding groove (8) is provided inside the inner roller body (6), and a straight notch (9) is provided on the left side of the inner roller body (6). A movable connecting component is provided inside the inner roller body (6).

2. The printing roller for printing that is easy to disassemble and replace according to claim 1 is characterized in that: The movable connection assembly comprises a slider (10), a rotating seat (11), a movable rod (12), and a rotating clamping plate (13); a rectangular slider (10) is clamped inside the slide groove (8); a rotating seat (11) is installed on the left side of the slider (10); a rotatable movable rod (12) is installed on the rotating seat (11); and a rotating clamping plate (13) symmetrical in upper and lower directions is formed on the rod body of the movable rod (12).

3. The printing roller for printing that is easy to disassemble and replace according to claim 2 is characterized in that: The rotating clamping plate (13) is provided with a screw-in hole matched with the positioning bolt (17), and the rotating clamping plate (13) is matched with the rotating clamping groove (15).

4. The printing roller for printing that is easy to disassemble and replace according to claim 2 is characterized in that: A connecting bearing (3) is installed at the left end of the moving rod (12), and an adjusting nut (4) formed on the rod body of the moving rod (12) is arranged on the right side of the connecting bearing (3).

5. The printing roller for printing that is easy to disassemble and replace according to claim 1 is characterized in that: The right end of the outer roller body (1) is connected to a fixing rod (2).

6. The printing roller for printing that is easy to disassemble and replace according to claim 5, characterized in that: A connecting bearing (3) is fixedly mounted on the right end of the fixing rod (2), and a blocking swivel (7) is formed on the left end of the fixing rod (2), wherein the blocking swivel (7) is fixedly connected to the external roller body 1.

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