CN219312272U

CN219312272U - Printing roller convenient to dismantle and change

Info

Publication number: CN219312272U
Application number: CN202320661273.5U
Authority: CN
Inventors: 胡剑松
Original assignee: Ningbo Brothers Printing Co ltd
Current assignee: Ningbo Brothers Printing Co ltd
Priority date: 2023-03-25
Filing date: 2023-03-25
Publication date: 2023-07-07
Anticipated expiration: 2033-03-25

Abstract

The utility model provides a printing roller convenient to detach and replace, which relates to the technical field of printing rollers and comprises a first roller frame, wherein a second roller frame is arranged on one side of the first roller frame, a sliding frame is connected to the surface of the second roller frame in a sliding way, a threaded rod is arranged between the sliding frame and the second roller frame, a first side shaft and a second side shaft are respectively arranged between the first roller frame and the sliding frame, a first center shaft is fixedly arranged on one side of the first side shaft, a second center shaft is fixedly arranged on one side of the second side shaft, printing film shells are sleeved on the outer surfaces of the first center shaft and the second center shaft, threads are arranged inside the second roller frame, and in actual use, the roller spacing between the second roller frame and the first roller frame is adjusted in a movable sliding way, so that the printing roller can be quickly separated from the first roller frame and the second roller frame, and the complex operation that a group of roller frames are connected with equipment through bolts and then taken out by using tools is avoided.

Description

Printing roller convenient to dismantle and change

Technical Field

The utility model relates to the technical field of printing rollers, in particular to a printing roller convenient to detach and replace.

Background

Printing roller is one of the accessories of the offset printer, and the printing roller is divided into hard roller and soft roller for printing machinery, as the embossing, transfer black, transfer the rubber roller of the usefulness of black, present printing roller is mostly fixed between the roller frame, when need dismantle the change with the printing roller from the roller frame, still need to separate the roller frame with the bolt that is connected on the equipment in advance just can make the roller frame remove, then with the printing roller from separating between the roller frame and then accomplish the dismantlement again, the process is wasted time and energy and comparatively loaded down with trivial details.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a printing roller which is convenient to detach and replace.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a printing roller convenient to dismantle and change, includes a roller frame, one side of a roller frame is provided with No. two roller frames, no. two roller frame's surface sliding connection has the carriage, install the threaded rod between carriage and the No. two roller frames, be provided with a sideshaft and No. two sideshafts between a roller frame and the carriage respectively, a axis has been fixed to one side of sideshaft, no. two axis's surface all overlaps and is equipped with printing membrane shell.

In order to move the threaded rod, the utility model is improved in that threads are arranged in the second roller frame and meshed with the threaded rod.

In order to drive the sliding frame to move, the utility model is improved in that a bearing is arranged between one end of the threaded rod and the sliding frame.

In order to butt joint the first side shaft and the second side shaft, the utility model is improved in that the shaft sleeves are arranged in the first roller frame and the sliding frame, and the first side shaft and the second side shaft are arranged in the shaft sleeves.

In order to fix the first roller frame and the second roller frame, the utility model is improved in that the bottom surfaces of the first roller frame and the second roller frame are fixedly provided with mounting plates, and the periphery of each mounting plate is provided with bolt holes.

In order to position the printing film shells with different lengths, the utility model is improved in that a connecting device is arranged between the first middle shaft and the second middle shaft, the connecting device comprises a sliding rod, the sliding rod is connected inside the first middle shaft in a sliding manner, an elastic block is fixedly arranged at the top end of the sliding rod, a spring is fixedly connected between the elastic block and the first middle shaft, a positioning hole is formed in the surface of the second middle shaft, and a slot is formed in one side of the second middle shaft.

In order to enable the elastic block to normally move, the utility model is improved in that a movable groove is formed in the first middle shaft, and the sliding rod and the elastic block are arranged between the movable grooves.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in actual use, the movable sliding frame is arranged on the second roller frame, so that the function of adjusting the distance between the second roller frame and the first roller frame is achieved, the printing roller can be rapidly separated from the first roller frame and the second roller frame, the complicated operation that a group of roller frames are connected with equipment through bolts by using tools and then the printing roller is taken out is avoided, and the actual use is facilitated.

2. In actual use, the connecting device plays a role in adjusting the lengths of the first middle shaft and the second middle shaft, so that the printing roller can be adapted to printing film shells of different specifications according to actual conditions, the practicability of the printing roller is improved, and the printing roller is beneficial to actual use.

Drawings

Fig. 1 is a schematic view showing the overall structure of a printing roller which is convenient to detach and replace;

FIG. 2 is a schematic view of the explosive structure of FIG. 1 in a printing roller that is easy to disassemble and replace;

FIG. 3 is a schematic cross-sectional view of the first center shaft in FIG. 2 of a printing roller according to the present utility model for easy removal and replacement;

FIG. 4 is a schematic view showing a structure of a second center shaft in FIG. 2 in a printing roller which is easy to disassemble and replace;

fig. 5 is a side view of a printing roller according to the present utility model that is easy to disassemble and replace.

Legend description:

1. a first roller frame; 2. a second roller frame; 3. a carriage; 4. a threaded rod; 5. a first side shaft; 6. a second side shaft; 7. a first middle shaft; 8. a second middle shaft; 9. printing a film shell; 10. a shaft sleeve; 11. a mounting plate; 12. bolt holes; 13. a slide bar; 14. a spring block; 15. a spring; 16. a movable groove; 17. positioning holes; 18. a slot.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Referring to fig. 1, fig. 2 and fig. 5, the present utility model provides a technical solution: the utility model provides a printing roller convenient to dismantle and change, including roller frame 1, one side of roller frame 1 is provided with No. two roller frames 2, no. two roller frame 2's surface sliding connection has carriage 3, install threaded rod 4 between carriage 3 and No. two roller frames 2, no. two roller frame 2's inside is provided with the screw thread, and the screw thread meshes with threaded rod 4 mutually, through setting up the screw thread in No. two roller frames 2, make threaded rod 4 can remove in its inside, install the bearing between threaded rod 4's one end and carriage 3, through setting up the bearing, make threaded rod 4 one end can rotate at carriage 3 surface.

Referring to fig. 1, 2 and 5, a first side shaft 5 and a second side shaft 6 are respectively arranged between a first roll frame 1 and a sliding frame 3, shaft sleeves 10 are respectively arranged in the first roll frame 1 and the sliding frame 3, the first side shaft 5 and the second side shaft 6 are respectively arranged in the shaft sleeves 10, the function of butt joint of the first side shaft 5 and the second side shaft 6 is achieved by arranging the shaft sleeves 10, a first center shaft 7 is fixedly arranged on one side of the first side shaft 5, a second center shaft 8 is fixedly arranged on one side of the second side shaft 6, a printing film shell 9 is respectively sleeved on the outer surfaces of the first center shaft 7 and the second center shaft 8, mounting plates 11 are respectively and fixedly arranged on the bottom surfaces of the first roll frame 1 and the second roll frame 2, bolt holes 12 are respectively formed in the peripheries of the mounting plates 11, and the first roll frame 1 and the second roll frame 2 can be fixed on printing equipment by arranging the mounting plates 11 with the bolt holes 12.

In the second embodiment, referring to fig. 1-4, a connecting device is provided between the first middle shaft 7 and the second middle shaft 8, the connecting device includes a sliding rod 13, the sliding rod 13 is slidably connected inside the first middle shaft 7, a spring block 14 is fixedly mounted at the top end of the sliding rod 13, a spring 15 is fixedly connected between the spring block 14 and the first middle shaft 7, a positioning hole 17 is provided on the surface of the second middle shaft 8, a slot 18 is provided on one side of the second middle shaft 8, and the first middle shaft 7 can penetrate into the second middle shaft 8 by arranging the slot 18.

Referring to fig. 1-4, a movable slot 16 is formed in the first middle shaft 7, and the sliding rod 13 and the elastic block 14 are both disposed between the movable slots 16, and by disposing the movable slots 16, when the sliding rod 13 and the elastic block 14 are affected by external force, the sliding rod 13 and the elastic block 14 move between the movable slots 16.

Working principle: by arranging the first roll frame 1, the second roll frame 2, the sliding frame 3, the threaded rod 4, the first side shaft 5, the second side shaft 6, the first center shaft 7, the second center shaft 8 and the printing film shell 9, since the first center shaft 7 is inserted into the second center shaft 8 and the printing film shell 9 is positioned between the first side shaft 5 and the second side shaft 6 in a default state, when the first side shaft 5 and the second side shaft 6 are required to be disassembled, the threaded rod 4 is only required to be rotated, since the threads meshed with the surface of the threaded rod 4 are arranged in the second roll frame 2, and since the bearing is connected between one end of the threaded rod 4 and the sliding frame 3, when the threaded rod 4 rotates, the threaded rod 4 can translate between the second roll frame 2 and simultaneously drive the sliding frame 3 to move on the second roll frame 2, when one side of the sliding frame 3 is separated from the second side shaft 6, the second side shaft 6 is not limited any more, the first side shaft 5 is drawn out of the first roll frame 1 to disassemble the first side shaft 5 and the second side shaft 6, when the first side shaft 5 and the second side shaft 6 are required to be fixed, the first side shaft 5 is only required to be inserted into the shaft sleeve 10 of the first roll frame 1, then the second side shaft 6 is aligned with the shaft sleeve 10 on the sliding frame 3 and the threaded rod 4 is reversed, when the threaded rod 4 drives the sliding frame 3 to be attached to the second side shaft 6, the function of positioning the first side shaft 5 and the second side shaft 6 is achieved, by arranging the connecting device, when printing film shells 9 with different lengths are required to be replaced in the printing process, the printing film shells are removed from one group of positioning holes 17 by pressing the elastic blocks 14, meanwhile, the elastic blocks 14 drive the lower springs 15 to retract in the moving process, when the elastic blocks 14 move to the lower parts of the positioning holes 17, the first side shaft 7 is not limited any more, the spring block 14 on the top surface of the spring block is flush with the other group of positioning holes 17 by moving the position of the first middle shaft 7 between the slots 18, and finally the spring 15 drives the spring block 14 to penetrate through the positioning holes 17 by means of self elasticity, so that the function of limiting the first middle shaft 7 is achieved, the length between the first middle shaft 7 and the second middle shaft 8 can be adjusted according to the length of the actual printing film shell 9, and the first middle shaft 7 and the second middle shaft 8 with the changed length are placed between the first roller frame 1 and the second roller frame 2 for positioning.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a printing roller convenient to dismantle and change, includes roller frame (1), its characterized in that: one side of No. one roller frame (1) is provided with No. two roller frames (2), the surface sliding connection of No. two roller frames (2) has carriage (3), install threaded rod (4) between carriage (3) and No. two roller frames (2), be provided with No. one side axle (5) and No. two side axles (6) between No. one roller frame (1) and carriage (3) respectively, one side of No. one side axle (5) is equipped with a axis (7) admittedly, one side of No. two side axles (6) is equipped with No. two axis (8) admittedly, the surface of No. one axis (7) and No. two axis (8) all overlaps and is equipped with printing membrane shell (9).

2. The easy-to-detach replacement printing roller according to claim 1, wherein: the second roller frame (2) is internally provided with threads which are meshed with the threaded rod (4).

3. The easy-to-detach replacement printing roller according to claim 1, wherein: a bearing is arranged between one end of the threaded rod (4) and the sliding frame (3).

4. The easy-to-detach replacement printing roller according to claim 2, wherein: the roller frame (1) and the sliding frame (3) are internally provided with shaft sleeves (10), and the first side shaft (5) and the second side shaft (6) are arranged inside the shaft sleeves (10).

5. The easy-to-detach replacement printing roller according to claim 1, wherein: the bottom surfaces of the first roller frame (1) and the second roller frame (2) are fixedly provided with mounting plates (11), and bolt holes (12) are formed in the periphery of each mounting plate (11).

6. The easy-to-detach replacement printing roller according to claim 1, wherein: the connecting device is arranged between the first middle shaft (7) and the second middle shaft (8), the connecting device comprises a sliding rod (13), the sliding rod (13) is slidably connected inside the first middle shaft (7), an elastic block (14) is fixedly arranged at the top end of the sliding rod (13), a spring (15) is fixedly connected between the elastic block (14) and the first middle shaft (7), a positioning hole (17) is formed in the surface of the second middle shaft (8), and a slot (18) is formed in one side of the second middle shaft (8).

7. The easy-to-detach replacement printing roller of claim 6, wherein: the inside of the first middle shaft (7) is provided with a movable groove (16), and the sliding rod (13) and the elastic block (14) are arranged between the movable grooves (16).