Paper box printing device with printing roller convenient to replace

Abstract

The utility model discloses a carton printing device with a printing roller convenient to replace, which relates to the technical field of printing and comprises a frame, a bottom roller is fixedly mounted on the inner side of the frame, and a quick roller replacing component is arranged on the inner side of the top of the frame. The quick roller changing assembly comprises a roller frame, a plurality of mounting grooves, a fixing base, a movable mounting base assembly, a printing roller, a one-inlet six-outlet electromagnetic valve, a first rotating connector, a first printing ink input pipe, a second printing ink input pipe, a second rotating connector, a driven chain wheel, a driving motor, a driving chain wheel, a limiting plate, a plurality of fixing grooves and fixing bolts. According to the technical scheme provided by the utility model, by arranging the quick roller replacing assembly, specifically, the printing roller needing to be used is mounted on the roller frame, when the printing roller is replaced, the fixing bolt is screwed off, the roller frame is rotated, the printing roller needing to be used is rotated to the top of the bottom roller, and then the fixing bolt is matched with the limiting plate to fix the position; printing rollers can be replaced conveniently and quickly, and working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing technical field especially, relate to a paper box printing device of convenient replacement printing roller. BACKGROUND

[0002] The printing device refers to the equipment and tool for printing information such as characters, images to various materials. They are widely used in publishing, advertising, packaging and other industries, when printing paper boxes, since the paper boxes of different products need to be printed, or the front and back of the same paper box need to be printed, since the printed patterns are not the same, it is often necessary to replace the printing roller.

[0003] A kind of printing device of convenient replacement printing roller is disclosed in Chinese patent document CN217415242U, including base, first support, sliding slot, sliding block, second support, clamping mechanism, printing roller body, servo motor and adjusting mechanism, the left side of the top of the base is fixedly connected with first support, the right side of the top of the base is provided with sliding slot, the inner wall of the sliding slot is slidably connected with the sliding block matched therewith, the top of the sliding block is fixedly connected with second support, the top of the first support and second support is equipped with clamping mechanism, two clamping mechanisms are provided with the printing roller body matched therewith, the left side of the first support and the position corresponding clamping mechanism are equipped with servo motor, the right side of the top of the base and the position corresponding second support are equipped with adjusting mechanism matched therewith, it uses single printing roller and is provided with corresponding clamping mechanism, can replace printing roller quickly, when using single printing roller, still need to spend a lot of time to replace, can reduce work efficiency, still have great improvement space, therefore need to be improved. UTILITY MODEL CONTENT

[0004] The utility model provides a paper box printing device of convenient replacement printing roller to overcome the prior art's insufficient, to solve the prior art in that single printing roller is used and corresponding clamping mechanism is set, can replace printing roller quickly, when single printing roller is used, still need to spend a lot of time to replace, can reduce work efficiency.

[0005] Therefore, the utility model provides a paper box printing device of convenient replacement printing roller, including frame, the frame inboard is fixedly installed with bottom roller, the top inboard of the frame is provided with quick roller replacement assembly;

[0006] The quick roll changing assembly comprises a roller frame, a plurality of mounting grooves, a fixed seat, a movable mounting seat assembly, a printing roller, a one-in-six-out electromagnetic valve, a first rotary joint, a first printing ink input pipe, a second printing ink input pipe, a second rotary joint, a driven sprocket, a driving motor, a driving sprocket, a limiting plate, a plurality of fixing grooves and fixing bolts, the roller frame is rotationally connected to the inner side of the rack, the mounting grooves are arranged in the middle of the roller frame, the fixed seat is fixedly installed at one end of the roller frame, the movable mounting seat assembly is arranged at the other end of the roller frame, the printing roller is movably installed at the inner side of the mounting groove, the one-in-six-out electromagnetic valve is fixedly installed at the inner side of one end of the roller frame, the first rotary joint is fixedly installed at the input end of the one-in-six-out electromagnetic valve, one end of the first printing ink input pipe is fixedly installed at the input end of the first rotary joint, one end of the second printing ink input pipe is fixedly installed at the output end of the one-in-six-out electromagnetic valve, the second rotary joint is fixedly installed at the output end of the second printing ink input pipe, the driven sprocket is arranged at one end of the movable mounting seat assembly, the driving motor is fixedly installed at the inner side of one end of the roller frame, the driving sprocket is fixedly installed at the output end of the driving motor, the limiting plate is fixedly installed at one end of the roller frame, the plurality of fixing grooves are arranged at the edges of the limiting plate, and the fixing bolts are threadedly connected to one side of the rack.

[0007] Optionally, the plurality of mounting grooves are arranged in a ring array around the roller frame, and the mounting grooves and the printing roller correspond one by one.

[0008] Optionally, the first printing ink input pipe coincides with the axis of the roller frame, and the first printing ink input pipe is sleeved in the middle of the roller frame.

[0009] Optionally, one end of the printing roller is rotationally connected to the inner side of the fixed seat, and the other end of the printing roller is sleeved in the inner side of one end of the movable mounting seat assembly.

[0010] Optionally, the second rotary joint is fixedly installed at the input end of the printing roller.

[0011] Optionally, a chain transmission is adopted between the driven sprocket and the driving sprocket.

[0012] Optionally, one end of the fixing bolt penetrates through the fixing groove and is fixedly installed at one side of the rack.

[0013] Optionally, the movable mounting seat assembly comprises an outer rotating shaft, a square rod, a fixed square sleeve and a supporting spring, the outer rotating shaft is rotationally connected to the outer side of one end of the roller frame, one end of the square rod is slidably connected to the inner side of the outer rotating shaft, one end of the fixed square sleeve is fixedly connected to one end of the square rod, and the supporting spring is sleeved in the inner side of the outer rotating shaft.

[0014] Optionally, one end of the fixed square sleeve is sleeved in one end of the printing roller shaft, and the cross-sectional shape of the inner side of the fixed square sleeve matches the single cross-section of the printing roller shaft.

[0015] Optionally, one end of the supporting spring is arranged against one end of the inner wall of the outer rotating shaft, and the other end of the supporting spring is arranged against one end of the square rod.

[0016] From the above technical solutions, the embodiments of the present application have the following advantages:

[0017] 1. The paper box printing device with the printing roller convenient to replace, according to the present application, the quick roller replacement assembly is arranged, specifically, the printing roller needed is installed on the roller frame in advance, when the printing roller needs to be replaced, the fixing bolts are unscrewed, at this time, the roller frame is rotated, the printing roller needed is rotated to the top of the bottom roller, then the position is fixed by cooperation of the fixing bolts and the limiting plates, the printing roller is conveniently and quickly replaced, and the working efficiency is improved.

[0018] 2. The paper box printing device with the printing roller convenient to replace, according to the present application, the movable mounting assembly is arranged, specifically, when the printing roller is installed, the square rod is retracted into the outer rotating shaft, the square rod is retracted into the outer rotating shaft, then one end of the printing roller is inserted into the fixed seat, the other end is aligned with the fixed square sleeve, then the square rod pushes the fixed square sleeve to reset under the action of the supporting spring, the printing roller is fixed, and vice versa, the printing roller can be disassembled, the printing roller is conveniently and quickly installed and disassembled, and the working efficiency is further improved.

[0019] These features and advantages of the present application will be disclosed in detail in the following specific embodiments and drawings. DRAWINGS

[0020] The present application will be further described below in combination with the drawings:

[0021] Figure 1 It is a structural schematic diagram of the present application;

[0022] Figure 2 It is a roller frame structural schematic diagram of the present application;

[0023] Figure 3 It is a local structural schematic diagram of one end of the quick roller replacement assembly of the present application;

[0024] Figure 4 It is a structural schematic diagram of the other end of the quick roller replacement assembly of the present application;

[0025] Figure 5 It is a local enlarged structural schematic diagram of A in the present application. Figure 2

[0026] ​Explanation of reference signs: 1, rack; 2, bottom roller; 301, roller frame; 302, mounting groove; 303, fixed seat; 304, movable mounting seat assembly; 3041, outer rotating shaft; 3042, square rod; 3043, fixed square sleeve; 3044, supporting spring; 305, printing roller; 306, one-in and six-out electromagnetic valve; 307, first rotary joint; 308, first printing ink input pipe; 309, second printing ink input pipe; 310, second rotary joint; 311, driven sprocket; 312, driving motor; 313, driving sprocket; 314, limiting plate; 315, fixed groove; 316, fixed bolt. DETAILED DESCRIPTION

[0027] The technical solutions of the embodiments of the utility model are explained and described below in combination with the drawings of the embodiments of the utility model. However, the following embodiments are only preferred embodiments of the utility model, and are not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] The paper box printing device for conveniently replacing a printing roller is specifically described below in combination with the drawings of the embodiments of the utility model.

[0029] Embodiment 1

[0030] For the convenience of understanding, please refer to Figures 1 to 4 An embodiment of the paper box printing device for conveniently replacing a printing roller provided by the utility model comprises a rack 1, a bottom roller 2 is fixedly installed on the inner side of the rack 1, and a quick roller replacement assembly is arranged on the inner side of the top of the rack 1.

[0031] The quick roll changing assembly comprises a roll bracket 301, a plurality of mounting grooves 302, a fixed seat 303, a movable mounting seat assembly 304, a printing roller 305, a one-in-six-out electromagnetic valve 306, a first rotary joint 307, a first printing ink input pipe 308, a second printing ink input pipe 309, a second rotary joint 310, a driven sprocket 311, a driving motor 312, a driving sprocket 313, a limiting plate 314, a plurality of fixing grooves 315 and fixing bolts 316, the roll bracket 301 is rotationally connected to the inner side of the rack 1, the mounting grooves 302 are arranged in the middle part of the roll bracket 301, the fixed seat 303 is fixedly installed at one end of the roll bracket 301, the movable mounting seat assembly 304 is arranged at the other end of the roll bracket 301, the printing roller 305 is movably installed at the inner side of the mounting groove 302, the one-in-six-out electromagnetic valve 306 is fixedly installed at the inner side of one end of the roll bracket 301, the first rotary joint 307 is fixedly installed at the input end of the one-in-six-out electromagnetic valve 306, one end of the first printing ink input pipe 308 is fixedly installed at the input end of the first rotary joint 307, one end of the second printing ink input pipe 309 is fixedly installed at the output end of the one-in-six-out electromagnetic valve 306, the second rotary joint 310 is fixedly installed at the output end of the second printing ink input pipe 309, the driven sprocket 311 is arranged at one end of the movable mounting seat assembly 304, the driving motor 312 is fixedly installed at the inner side of one end of the roll bracket 301, the driving sprocket 313 is fixedly installed at the output end of the driving motor 312, the limiting plate 314 is fixedly installed at one end of the roll bracket 301, the plurality of fixing grooves 315 are arranged at the edge of the limiting plate 314, the fixing bolts 316 are threadedly connected to one side of the rack 1, the plurality of mounting grooves 302 are arranged in a ring array around the roll bracket 301, and the plurality of mounting grooves 302 correspond to the printing roller 305 one by one, the first printing ink input pipe 308 coincides with the axis of the roll bracket 301, and the first printing ink input pipe 308 is sleeved in the middle part of the roll bracket 301, one end of the printing roller 305 is rotationally connected to the inner side of the fixed seat 303, the other end of the printing roller 305 is sleeved in the inner side of one end of the movable mounting seat assembly 304, the second rotary joint 310 is fixedly installed at the input end of the printing roller 305, the driven sprocket 311 and the driving sprocket 313 are chain driven by a chain, and one end of the fixing bolt 316 penetrates through the fixing groove 315 and is fixedly installed at one side of the rack 1.

[0032] It should be noted that by setting the roller frame 301 capable of installing multiple printing rollers 305, first the printing roller 305 needed is installed on the roller frame 301 in advance through the cooperation of the fixed seat 303 and the movable mounting seat assembly 304. When the printing roller 305 needs to be replaced, the fixing bolt 316 is unscrewed. At this time, the roller frame 301 is rotated, and the printing roller 305 needed is rotated to the top of the bottom roller 2. Then the position is fixed by using the fixing bolt 316 and the limiting plate 314. The printing roller 305 can be conveniently and quickly replaced, improving work efficiency. Then, when printing, the six-out-one-in electromagnetic valve 306 opens the passage of the printing roller 305 located at the top of the bottom roller 2, inputs the printing ink into the printing roller 305, and drives the printing roller 305 to rotate by the chain transmission of the driving motor 312, so as to print the carton.

[0033] Embodiment 2

[0034] In some embodiments, as shown in Figure 2 、 Figure 5 The movable mounting seat assembly 304 includes an outer rotating shaft 3041, a square rod 3042, a fixed square sleeve 3043, and a supporting spring 3044. The outer rotating shaft 3041 is rotatably connected to the outer side of one end of the roller frame 301. The square rod 3042 is slidably connected to the inner side of the outer rotating shaft 3041. The fixed square sleeve 3043 is fixedly connected to one end of the square rod 3042. The supporting spring 3044 is sleeved on the inner side of the outer rotating shaft 3041. The fixed square sleeve 3043 is sleeved on one end of the rotating shaft of the printing roller 305. The inner side of the fixed square sleeve 3043 has a cross-sectional shape matching the single cross-section of the rotating shaft of the printing roller 305. One end of the supporting spring 3044 abuts against one end of the inner wall of the outer rotating shaft 3041. The other end of the supporting spring 3044 abuts against one end of the square rod 3042.

[0035] It should be noted that by setting the retractable square rod 3042, the fixed square sleeve 3043 at one end of the square rod 3042 can be sleeved on one end of the printing roller 305. When installing the printing roller 305, the square rod 3042 is retracted into the outer rotating shaft 3041, so that the square rod 3042 is retracted into the outer rotating shaft 3041. Then, one end of the printing roller 305 is inserted into the fixed seat 303, and the other end is aligned with the fixed square sleeve 3043. Then, under the action of the supporting spring 3044, the square rod 3042 pushes the fixed square sleeve 3043 to reset, fixing the printing roller 305. Conversely, the printing roller 305 can be disassembled, facilitating the quick installation and disassembly of the printing roller 305, and further improving work efficiency.

[0036] Working principle: in use, first need to use the printing roller 305, the square rod 3042 is retracted into the outer rotating shaft 3041, so that the square rod 3042 is retracted into the outer rotating shaft 3041, then one end of the printing roller 305 is inserted into the fixed seat 303, the other end is aligned with the fixed square sleeve 3043, then the square rod 3042 pushes the fixed square sleeve 3043 to reset under the action of the supporting spring 3044, the printing roller 305 is fixed, then the second rotary joint 310 is connected with the input end of each printing roller 305 to complete the fixation of the printing roller 305, then in printing, the electromagnetic valve 306 opens the passage of the printing roller 305 located at the top of the bottom roller 2, the printing ink is input into the printing roller 305, and the printing roller 305 is driven to rotate by the chain transmission through the driving motor 312, the paper box is printed, when it is necessary to replace the printing roller 305, the fixing bolt 316 is unscrewed, at this time the roller frame 301 is rotated, the printing roller 305 needed is rotated to the top of the bottom roller 2, then the position is fixed by the cooperation of the fixing bolt 316 and the limiting plate 314, the printing roller 305 is conveniently and quickly replaced, and the working efficiency is improved.

[0037] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A paper box printing apparatus with convenient printing roller replacement, characterized in that: Including frame (1), the bottom roll (2) is fixedly installed in the inside of frame (1), the quick roll changing assembly is provided at the top of frame (1) inside; The quick roll changing assembly includes roller holder (301), several installation slots (302), fixed seat (303), movable mounting seat assembly (304), printing roller (305), one-in-six-out electromagnetic valve (306), first rotary joint (307), first printing ink input pipe (308), second printing ink input pipe (309), second rotary joint (310), driven sprocket (311), drive motor (312), driving sprocket (313), limiting plate (314), several fixed slots (315) and fixed bolts (316), roller holder (301) is rotatably connected in the inside of frame (1), installation slots (302) are opened in the middle part of roller holder (301), fixed seat (303) is fixedly installed at one end of roller holder (301), movable mounting seat assembly (304) is arranged at the other end of roller holder (301), printing roller (305) is movably installed in the inside of installation slots (302), one-in-six-out electromagnetic valve (306) is fixedly installed in the inside at one end of roller holder (301), first rotary joint (307) is fixedly installed at the input end of one-in-six-out electromagnetic valve (306), one end of first printing ink input pipe (308) is fixedly installed at the input end of first rotary joint (307), one end of second printing ink input pipe (309) is fixedly installed at the output end of one-in-six-out electromagnetic valve (306), second rotary joint (310) is fixedly installed at the output end of second printing ink input pipe (309), driven sprocket (311) is arranged at one end of movable mounting seat assembly (304), drive motor (312) is fixedly installed in the inside at one end of roller holder (301), driving sprocket (313) is fixedly installed at the output end of drive motor (312), limiting plate (314) is fixedly installed at one end of roller holder (301), several fixed slots (315) are opened at the edge of limiting plate (314), and fixed bolts (316) are threadedly connected at one side of frame (1).

2. The carton printing apparatus of claim 1, wherein: Several installation slots (302) are arranged in an annular array at one week of roller holder (301), and several installation slots (302) and printing roller (305) correspond one by one.

3. The carton printing apparatus of claim 1, wherein: The axis of first printing ink input pipe (308) coincides with roller holder (301), and first printing ink input pipe (308) is sleeved in the middle part of roller holder (301).

4. The carton printing apparatus of claim 1, wherein: One end of printing roller (305) is rotatably connected in the inside of fixed seat (303), and the other end of printing roller (305) is sleeved in the inside at one end of movable mounting seat assembly (304).

5. The carton printing apparatus of claim 1, wherein: Second rotary joint (310) is fixedly installed at the input end of printing roller (305).

6. The carton printing apparatus of claim 1, wherein: Chain transmission is adopted between driven sprocket (311) and driving sprocket (313).

7. The carton printing apparatus of claim 1, wherein: One end of fixed bolt (316) penetrates through fixed slot (315) and is fixedly installed at one side of frame (1).

8. The carton printing apparatus of claim 1, wherein: The active mounting base assembly (304) comprises an outer rotating shaft (3041), a square rod (3042), a fixed square sleeve (3043) and a supporting spring (3044), one end of the outer rotating shaft (3041) is rotatably connected outside one end of the roller frame (301), one end of the square rod (3042) is slidably connected inside the outer rotating shaft (3041), one end of the fixed square sleeve (3043) is fixedly connected with one end of the square rod (3042), and the supporting spring (3044) is sleeved inside the outer rotating shaft (3041).

9. A carton printing apparatus for facilitating the replacement of a printing roller as claimed in claim 8, wherein: One end of the fixed square sleeve (3043) is sleeved with one end of the rotating shaft of the printing roller (305), and the cross-sectional shape inside the fixed square sleeve (3043) matches the single cross-section of the rotating shaft of the printing roller (305).

10. The carton printing apparatus of claim 8, wherein: One end of the supporting spring (3044) abuts against one end of the inner wall of the outer rotating shaft (3041), and the other end of the supporting spring (3044) abuts against one end of the square rod (3042).

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