Paperboard double-sided printing equipment

Abstract

The utility model discloses paperboard double-face printing equipment which comprises a bottom frame and a top frame, the top end of the bottom frame is fixedly connected with the top frame, the bottom of the inner side of the top frame is provided with a conveying belt assembly, the middle position of the top end of the top frame is fixedly connected with an upper printing and dyeing assembly, and the middle position of the lower portion of the inner side of the top frame is provided with a lower printing and dyeing roller assembly. And one end of the bottom frame is fixedly connected with a control panel. By arranging the limiting guide structure, the adjusting screw rod is rotated to enable the hinge head to drive the hinge rod to press downwards under the threaded connection structure of the adjusting screw rod and the inner threaded pipe, and the two ends of the hinge rod are hinged to the hinge head and the limiting frames respectively, so that the two sets of limiting frames are pushed by the hinge rod to move reversely. The spacing of the limiting frames can be adjusted according to the size of the paperboard, and the paperboard is conveyed along the inner sides of the limiting frames when moving, so that skewing of paperboard printing is avoided, and guiding of paperboard conveying is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cardboard double-sided printing equipment, in particular to a cardboard double-sided printing equipment. Background Art

[0002] In the process of carton printing and packaging, in order to make the cardboard used for carton packaging have strong recognition and aesthetics during packaging, the cardboard used for carton packaging is often printed on both sides, so that the surface of the carton will be printed with the style required by the customer after packaging. For this purpose, special cardboard double-sided printing equipment is required.

[0003] When the common double-sided printing equipment for carton printing and packaging is used, the upper and lower sides of the cardboard are printed and dyed simultaneously through the double-sided printing roller, so that the equipment has a better printing effect, but there are still some problems:

[0004] Since the widths of cardboards of different specifications are different, they tend to be skewed when being conveyed, which causes the surface printing of the cardboard used for carton packaging to be skewed. Utility Model Content

[0005] The utility model aims to provide a cardboard double-sided printing device, which is used to solve the defect that the existing cardboard double-sided printing device is difficult to adjust the width.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a cardboard double-sided printing device, comprising a bottom frame and a top frame, the top of the bottom frame is fixedly connected to the top frame, a conveying belt assembly is arranged at the bottom of the inner side of the top frame, both sides of the inside of the top frame are installed with limiting guide structures, the limiting guide structures include a support frame, a guide groove, a limiting frame, a slider, a connecting plate, an internal threaded tube, an adjusting screw, a hinge joint and a hinge rod, the support frame is fixedly connected to both sides of the inside of the top frame, an upper printing and dyeing assembly is fixedly connected at the middle position of the top of the top frame, both ends of the top frame are fixedly connected to a heat circulation mechanism, a lower printing and dyeing roller assembly is arranged at the middle position of the inner side of the top frame, and one end of the bottom frame is fixedly connected to a control panel.

[0007] When in use, the device is started by the control panel to enable the conveyor belt assembly to perform conveying work, and then the cardboard for carton packaging is placed on the top of the conveyor belt assembly, and the conveyor belt assembly conveys the cardboard to the inner side of the upper printing and dyeing assembly, so that the printing roller inside the upper printing and dyeing assembly and the printing roller at the lower printing and dyeing roller assembly simultaneously perform double-sided printing on the passing cardboard.

[0008] Preferably, a guide groove is provided inside the bottom end of the support frame, a limit frame is provided at the bottom end of the support frame, and both ends of the top of the limit frame are fixedly connected with sliders.

[0009] Preferably, a connecting plate is fixedly connected to one side of the support frame, an internally threaded tube is fixedly connected to the top of the connecting plate, an adjusting screw is connected to the internal thread of the internally threaded tube, a hinge head is rotatably connected to the bottom end of the adjusting screw, both ends of the hinge head are hinged with hinge rods, and the two sets of limit frames move in opposite directions under the push of the hinge rods, so that the spacing between the limit frames can be adjusted according to the size of the cardboard.

[0010] Preferably, the guide groove and the slide block are in a sliding structure, and the limit frame and the hinge rod are in a hinged structure.

[0011] Preferably, the adjusting screw and the hinged joint are in a rotating structure, and the hinged joint and the hinged rod are in a hinged structure, so that the limiting frame can be pushed.

[0012] Preferably, the heat circulation mechanism includes a first air collecting hood, a circulation hose, a second air collecting hood, an exhaust hose, a blower, a ceramic heat insulation box and an electric heating wire. The first air collecting hood is fixedly connected to one end of the top frame, a circulation hose is installed at one end of the first air collecting hood, the other end of the top frame is fixedly connected to the second air collecting hood, one end of the second air collecting hood is installed with an exhaust hose, a blower is provided at the bottom of the other end of the bottom frame, the other end of the bottom frame is fixedly connected to the ceramic heat insulation box, and an electric heating wire is installed inside the ceramic heat insulation box. Hot air enters the second air collecting hood through the exhaust hose, and the hot air is caused to flow into the first air collecting hood and through the circulation hose for circulation and heating.

[0013] Preferably, the first air collecting hood and the second air collecting hood are in the same vertical plane, and the circulation hose is connected to the inside of the blower, so that the hot air can circulate.

[0014] The utility model provides a cardboard double-sided printing device, which has the advantages that: by setting a limited position guiding structure, the adjusting screw rod is rotated under the threaded connection structure between the adjusting screw rod and the internal threaded tube so that the hinge joint can drive the hinge rod to press down, and because the two ends of the hinge rod are respectively hinged with the hinge joint and the limited position frame, the two groups of limited position frames are pushed by the hinge rod to move in the opposite direction, so that the spacing of the limited position frames can be adjusted according to the size of the cardboard, and the cardboard is transported along the inner side of the limited position frame when it moves, so as to avoid skewness in the printing of the cardboard and realize the guidance of the cardboard transportation;

[0015] By providing a heat circulation mechanism, when the blower is started, it injects air into the ceramic insulation box through the pipe. At this time, the energized heating wire will generate high heat. After the air blown by the blower enters the ceramic insulation box, the hot air enters the second air collecting hood through the exhaust hose, and the hot air is circulated and heated to the first air collecting hood through the circulation hose, so that the printed cardboard can be quickly dried, thereby improving the printing and dyeing efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional cross-sectional structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the three-dimensional local structure of the limiting guide structure of the utility model;

[0019] Figure 4 For the utility model Figure 3 A partial cross-section at the center is an enlarged structural diagram;

[0020] Figure 5 It is a schematic diagram of the three-dimensional local structure of the thermal circulation mechanism of the utility model.

[0021] In the figure: 1. bottom frame; 2. top frame; 3. conveyor belt assembly; 4. limiting guide structure; 401. support frame; 402. guide groove; 403. limiting frame; 404. slider; 405. connecting plate; 406. internal threaded pipe; 407. adjusting screw; 408. hinge head; 409. hinge rod; 5. upper printing and dyeing assembly; 6. heat circulation mechanism; 601. first air collecting hood; 602. circulation hose; 603. second air collecting hood; 604. exhaust hose; 605. blower; 606. ceramic insulation box; 607. heating wire; 7. control panel; 8. lower printing and dyeing roller assembly. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 5The utility model provides a cardboard double-sided printing device, including a bottom frame 1 and a top frame 2, the top of the bottom frame 1 is fixedly connected to the top frame 2, the bottom of the inner side of the top frame 2 is provided with a conveying belt assembly 3, the middle position of the top of the top frame 2 is fixedly connected to an upper printing and dyeing assembly 5, the middle position of the inner side of the top frame 2 is provided with a lower printing and dyeing roller assembly 8, one end of the bottom frame 1 is fixedly connected to a control panel 7, both sides of the top frame 2 are installed with a limited guide structure 4, the limited guide structure 4 includes a support frame 401, a guide groove 402, a limit frame 403, a slider 404, a connecting plate 405, an internal threaded tube 406, an adjusting screw 407, a hinge joint 408 and a hinge rod 409, the support frame 401 is fixedly connected to both sides of the top frame 2, the support frame A guide groove 402 is provided inside the bottom end of 401, a limit frame 403 is provided at the bottom end of the support frame 401, and sliders 404 are fixedly connected to both ends of the top of the limit frame 403, and a connecting plate 405 is fixedly connected to one side of the support frame 401, and an internal threaded tube 406 is fixedly connected to the top of the connecting plate 405, and an adjusting screw 407 is connected to the internal thread of the internal threaded tube 406, and a hinge joint 408 is rotatably connected to the bottom end of the adjusting screw 407, and hinge rods 409 are hinged at both ends of the hinge joint 408, the guide groove 402 and the slider 404 are in a sliding structure, the limit frame 403 and the hinge rod 409 are in a hinge structure, the adjusting screw 407 and the hinge joint 408 are in a rotating structure, and the hinge joint 408 and the hinge rod 409 are in a hinge structure.

[0024] See attached Figure 1 , Figure 2 , Figure 3 and Figure 4 When the printing device is used, the control panel 7 starts the device, so that the conveyor belt assembly 3 performs the conveying work, and then the paperboard for carton packaging is placed on the top of the conveyor belt assembly 3, and the conveyor belt assembly 3 conveys the paperboard to the inner side of the upper printing and dyeing assembly 5, so that the printing roller inside the upper printing and dyeing assembly 5 and the printing roller at the lower printing and dyeing roller assembly 8 simultaneously perform double-sided printing on the passing paperboard. In this process, in order to avoid position deviation of the paperboard when it moves on the top of the conveyor belt assembly 3, resulting in deviation in the printing of the paperboard, a position deviation is set inside the top frame 2. The support frames 401 are fixed on both sides, and the hinge joint 408 can drive the hinge rod 409 to be pressed down by rotating the adjusting screw 407 under the threaded connection structure between the adjusting screw 407 and the internal threaded tube 406. Since the two ends of the hinge rod 409 are respectively hinged to the hinge joint 408 and the limiting frame 403, the two groups of limiting frames 403 are pushed by the hinge rod 409 to move in opposite directions, so that the spacing of the limiting frames 403 can be adjusted according to the size of the cardboard. When the cardboard moves, it is transported along the inner side of the limiting frame 403, so as to avoid skewness in the printing of the cardboard.

[0025] Both ends of the top frame 2 are fixedly connected with a heat circulation mechanism 6, which includes a first air collecting hood 601, a circulation hose 602, a second air collecting hood 603, an exhaust hose 604, a blower 605, a ceramic heat insulation box 606 and an electric heating wire 607. The first air collecting hood 601 is fixedly connected to one end of the top frame 2, and a circulation hose 602 is installed at one end of the first air collecting hood 601. The other end of the top frame 2 is fixedly connected with the second air collecting hood 603, and an exhaust hose 604 is installed at one end of the second air collecting hood 603. A blower 605 is arranged at the bottom of the other end of the bottom frame 1, and a ceramic heat insulation box 606 is fixedly connected to the other end of the bottom frame 1. The interior of the ceramic heat insulation box 606 is installed with an electric heating wire 607. The first air collecting hood 601 and the second air collecting hood 603 are in the same vertical plane, and the circulation hose 602 is communicated with the interior of the blower 605.

[0026] See attached Figure 1 , Figure 2 and Figure 5 When the printing device is used, in order to avoid the long drying time of the printing ink, which may affect the printed pattern on the cardboard due to insufficient drying time, a first air collecting hood 601 and a second air collecting hood 603 are fixed at the front and rear ends of the top frame 2 respectively. When the blower 605 is started, it injects air into the ceramic insulation box 606 through the pipe. At this time, the energized heating wire 607 will generate a high heat. After the air blown by the blower 605 enters the ceramic insulation box 606, the hot air enters the second air collecting hood 603 through the exhaust hose 604, and the hot air is circulated and heated to the first air collecting hood 601 and flows through the circulation hose 602, so that the printed cardboard can be quickly dried.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cardboard double-sided printing device, comprising a bottom frame (1) and a top frame (2); Features: The top end of the bottom frame (1) is fixedly connected to a top frame (2); A conveying belt assembly (3) is arranged at the bottom of the inner side of the top frame (2), and a limiting guide structure (4) is installed on both sides of the inner side of the top frame (2). The limiting guide structure (4) comprises a support frame (401), a guide groove (402), a limiting frame (403), a slider (404), a connecting plate (405), an internal threaded tube (406), an adjusting screw (407), a hinge joint (408) and a hinge rod (409). The support frame (401) is fixedly connected to both sides of the inner side of the top frame (2), an upper printing and dyeing assembly (5) is fixedly connected at the middle position of the top end of the top frame (2), a heat circulation mechanism (6) is fixedly connected at both ends of the top frame (2), and a lower printing and dyeing roller assembly (8) is arranged at the middle position of the inner side of the top frame (2); One end of the bottom frame (1) is fixedly connected to a control panel (7).

2. A cardboard double-sided printing device according to claim 1, characterized in that: A guide groove (402) is provided inside the bottom end of the support frame (401), a limit frame (403) is provided at the bottom end of the support frame (401), and sliders (404) are fixedly connected to both ends of the top of the limit frame (403).

3. A cardboard double-sided printing device according to claim 2, characterized in that: A connecting plate (405) is fixedly connected to one side of the support frame (401), an internal threaded tube (406) is fixedly connected to the top of the connecting plate (405), an adjusting screw (407) is connected to the inner thread of the internal threaded tube (406), a hinged joint (408) is rotatably connected to the bottom end of the adjusting screw (407), and both ends of the hinged joint (408) are hingedly connected to hinge rods (409).

4. A cardboard double-sided printing device according to claim 2, characterized in that: The guide groove (402) and the slider (404) are in a sliding structure, and the limit frame (403) and the hinge rod (409) are in a hinged structure.

5. The cardboard double-sided printing device according to claim 2, characterized in that: The adjusting screw rod (407) and the hinge joint (408) are in a rotating structure, and the hinge joint (408) and the hinge rod (409) are in a hinged structure.

6. The cardboard double-sided printing device according to claim 1, characterized in that: The thermal circulation mechanism (6) comprises a first air collecting hood (601), a circulation hose (602), a second air collecting hood (603), an exhaust hose (604), a blower (605), a ceramic heat insulation box (606) and an electric heating wire (607). The first air collecting hood (601) is fixedly connected to one end of the top frame (2), a circulation hose (602) is installed at one end of the first air collecting hood (601), the other end of the top frame (2) is fixedly connected to the second air collecting hood (603), one end of the second air collecting hood (603) is installed with an exhaust hose (604), a blower (605) is arranged at the bottom of the other end of the bottom frame (1), the other end of the bottom frame (1) is fixedly connected to the ceramic heat insulation box (606), and the electric heating wire (607) is installed inside the ceramic heat insulation box (606).

7. A cardboard double-sided printing device according to claim 6, characterized in that: The first air collecting hood (601) and the second air collecting hood (603) are located in the same vertical plane, and the circulation hose (602) is connected to the inside of the blower (605).

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