Printing roll shaft device for waterproof thermo-sensitive paper

Abstract

The utility model relates to a waterproof thermo-sensitive paper printing roll shaft device which comprises a machine body, a frame body is fixedly connected to the top of the machine body, leveling assemblies are arranged in the frame body and on the top of the frame body, a transmission assembly is arranged on the top of the frame body, and the transmission assembly comprises a first electric push rod fixedly connected to the top of the frame body. A rotating shaft is fixedly connected to the left side of the frame body, a connecting frame is rotationally connected to the outer surface of the rotating shaft, a leveling roller is rotationally connected into the connecting frame, and an output shaft of the first electric push rod is hinged to the connecting frame. According to the printing roller shaft device for the waterproof thermo-sensitive paper, the first electric push rod is hinged to the connecting frame, the height adjustability of the position of the leveling roller is achieved, accurate adjustment can be conveniently conducted according to the thickness of the waterproof thermo-sensitive paper and the printing requirement, and therefore stable conveying of the paper in the printing process is guaranteed; the printing quality problem caused by unevenness of the paper is reduced, and meanwhile the tightness of the thermo-sensitive paper in the conveying process can be adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing roller shaft technical field, concretely is a kind of waterproof thermal paper's printing roller shaft device. BACKGROUND

[0002] Waterproof folding thermal paper is also called waterproof folding thermal fax paper, waterproof folding thermal recording paper, waterproof folding thermal copying paper, waterproof folding thermal copy paper, and thermal paper is a kind of processing paper, its manufacturing principle is to coat a layer of "thermal coating" (thermal color-changing layer) on high-quality raw paper. The principle of manufacturing thermal paper is to coat a layer of fine powder on ordinary paper, which is composed of colorless dyes phenol or other acidic substances, separated by a thin film. Under the condition of heating, the thin film melts, and the powder mixes to develop color. Thermal paper is used as a communication carrier for text and graphics on a fax machine, i.e. as a thermal paper for faxing. In medical and measurement systems, it is used as a recording material, such as electrocardiogram paper and thermal instrument recording paper. It is used for printing paper in internet terminals. In business activities, it is used to make trademarks, POS codes, etc. Among them, the use of thermal paper accounts for the largest proportion. In the production and processing of waterproof folding thermal paper, printing equipment is needed, and the printing roller shaft assembly is one of the important components of the waterproof folding thermal paper printing equipment.

[0003] The purpose of the printing roller shaft is to wind and transport thermal paper, but the existing technology cannot handle the situation when the existing thermal paper is wrinkled or uneven, resulting in uneven quality of thermal paper printing, affecting the yield. Therefore, a printing roller shaft device for waterproof thermal paper is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a printing roller shaft device for waterproof thermal paper, which has the advantages of good use effect, easy to flatten thermal paper, etc. The problems mentioned in the background technology are solved.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a printing roller shaft device for waterproof thermal paper, comprising a machine body, a frame body is fixedly connected to the top of the machine body, a flattening assembly is arranged in the frame body and the top, and a transmission assembly is arranged on the top of the frame body.

[0006] Further, the transmission assembly comprises a first electric push rod fixedly connected to the top of the frame body, a rotating shaft is fixedly connected to the left side of the frame body, a connecting frame is rotatably connected to the outer surface of the rotating shaft, a flattening roller is rotatably connected in the connecting frame, and the output shaft of the first electric push rod is hinged to the connecting frame.

[0007] Further, the flattening assembly comprises a second electric push rod fixedly connected to the top of the frame body, the frame body is internally defined to be slidingly connected with a sliding plate, the frame body is internally provided with a compression roller, the compression roller is internally provided with a clamping groove, the top of the machine body is fixedly connected with a motor, the frame body is internally provided with a connecting box, the connecting box is internally fixedly connected with a spring, and one side of the spring close to the compression roller is fixedly connected with a clamping block.

[0008] Further, the four connecting boxes at the bottom are all rotationally connected to the inside of the frame body, the four connecting boxes at the top are all rotationally connected to the inside of the sliding plate, the top of the four sliding plates is fixedly connected with the output shaft of the second electric push rod, and the output shaft of the motor is fixedly connected with the connecting box.

[0009] Further, the clamping groove is in a trapezoidal cross section, one end of the clamping block close to the compression roller is in a trapezoidal cross section, and the clamping block is clamped in the clamping groove.

[0010] Further, the connecting box and the clamping block are both internally provided with threaded holes, and the clamping block and the connecting box are both internally screwed with bolts.

[0011] Compared with the prior art, the technical scheme has the following beneficial effects:

[0012] 1. The printing roller shaft device of the waterproof thermal paper realizes the height adjustability of the flattening roller position by hinging the first electric push rod and the connecting frame, accurately adjusts according to the thickness of the waterproof thermal paper and the printing requirement, thereby ensuring the stable transmission of the paper in the printing process, reducing the printing quality problems caused by uneven paper, and adjusting the tightness of the thermal paper during transmission.

[0013] 2. The printing roller shaft device of the waterproof thermal paper drives the sliding plate to move up and down through the second electric push rod, thereby driving the compression roller at the top to apply appropriate pressure to the paper, so as to flatten the thermal paper that needs to be printed, and the design of the spring, the clamping block and the bolt, the trapezoidal cross section of the clamping groove and the clamping block, and the clamping mode therebetween make the installation and dismounting of the compression roller simple and fast, without the need for complex tool operation, greatly improving the maintenance efficiency and flexibility of the equipment, and the configuration of the threaded holes and the bolts further enhances the stability of the connection, ensuring the stability of the compression roller during the working process. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is another perspective view of the utility model;

[0016] Figure 3 It is a compression roller and connecting box connection schematic view of the utility model;

[0017] Figure 4 The utility model discloses Figure 1 The enlarged schematic view at A in the middle.

[0018] In the drawing: 1 body, 2 frame body, 3 flattening assembly, 301 second electric push rod, 302 sliding plate, 303 compression roller, 304 motor, 305 connecting box, 306 threaded hole, 307 bolt, 308 clamping block, 309 clamping groove, 310 spring, 4 transmission assembly, 401 first electric push rod, 402 rotating shaft, 403 connecting frame, 404 flattening roller. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figures 1-4 The utility model discloses a kind of printing roller shaft devices of waterproof thermal paper in the embodiment, including body 1, body 1 top is fixedly connected with frame body 2, frame body 2 inside and top are provided with flattening assembly 3, frame body 2 top is provided with transmission assembly 4.

[0021] Wherein, transmission assembly 4 includes the first electric push rod 401 fixedly connected in the top of frame body 2, frame body 2 left side is fixedly connected with rotating shaft 402, rotating shaft 402 outer surface is rotatably connected with connecting frame 403, connecting frame 403 inside is rotatably connected with flattening roller 404, and first electric push rod 401 output shaft is hinged with connecting frame 403.

[0022] By first electric push rod 401 and connecting frame 403 hinged, the height adjustability of flattening roller 404 position is realized, it is convenient to accurately adjust according to the thickness of waterproof thermal paper and printing demand, to ensure that the paper is stably transmitted in printing process, reduce the printing quality problem caused by paper uneven, and the tightness of thermal paper can be adjusted when transmission.

[0023] Secondly, the flattening assembly 3 includes a second electric push rod 301 fixedly connected to the top of the frame body 2, the inside of the frame body 2 is limitedly connected with a sliding plate 302, and a limiting sliding groove is arranged in the frame body 2 for the up-down sliding of the sliding plate 302, so that the up-down limited sliding of the sliding plate 302 and the top compression roller 303 can be realized. The frame body 2 is provided with a compression roller 303, the inside of the compression roller 303 is provided with a clamping groove 309, the top of the machine body 1 is fixedly connected with a motor 304, the inside of the frame body 2 is provided with a connecting box 305, the inside of the connecting box 305 is fixedly connected with a spring 310, and the side close to the compression roller 303 of the spring 310 is fixedly connected with a clamping block 308.

[0024] In addition, the four connecting boxes 305 at the bottom are all limitedly rotatably connected to the inside of the frame body 2, the four connecting boxes 305 at the bottom can be rotatably connected through bearings, as long as the principle is met. The four connecting boxes 305 at the top are all limitedly rotatably connected to the inside of the sliding plate 302, the top of the four sliding plates 302 is fixedly connected with the output shaft of the second electric push rod 301, the output shaft of the motor 304 is fixedly connected with the connecting box 305. The cross section shape of the clamping groove 309 is trapezoidal, the cross section shape of one end of the clamping block 308 close to the compression roller 303 is trapezoidal, and the clamping block 308 is clamped in the inside of the clamping groove 309.

[0025] Furthermore, the inside of the connecting box 305 and the clamping block 308 is provided with a threaded hole 306, and the inside of the clamping block 308 and the connecting box 305 is threadedly connected with a bolt 307.

[0026] The working principle of the above embodiment is as follows:

[0027] (1) The printing roller shaft device of the waterproof thermal paper can realize the height adjustability of the position of the flattening roller 404 through the hinging of the first electric push rod 401 and the connecting frame 403, so that the thickness of the waterproof thermal paper and the printing demand can be accurately adjusted, thereby ensuring the stable transmission of the paper in the printing process, reducing the printing quality problems caused by the unevenness of the paper, and adjusting the tightness of the thermal paper during transmission.

[0028] (2) The printing roller shaft device of the waterproof thermal paper, the second electric push rod 301 drives the sliding plate 302 to move up and down, and then drives the top compression roller 303 to exert appropriate pressure on the paper, so that the thermal paper to be printed can be flattened, and the design of the spring 310, the clamping block 308 and the bolt 307, the trapezoidal cross section design of the clamping groove 309 and the clamping block 308, and the clamping mode therebetween make the installation and dismounting of the compression roller 303 simple and fast, without the need for complex tool operation, greatly improving the maintenance efficiency and flexibility of the equipment, and the configuration of the threaded hole 360 and the bolt 307 further enhances the stability of the connection, ensuring the stability of the compression roller 303 in the working process.

[0029] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0030] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A printing roller device for waterproof thermal paper, comprising a body (1), characterized in that: The top of the machine body (1) is fixedly connected to a frame (2), and a leveling component (3) is provided inside and at the top of the frame (2). A transmission component (4) is provided at the top of the frame (2). The transmission assembly (4) includes a first electric push rod (401) fixedly connected to the top of the frame (2), a rotating shaft (402) fixedly connected to the left side of the frame (2), a connecting frame (403) rotatably connected to the outer surface of the rotating shaft (402), a flattening roller (404) rotatably connected inside the connecting frame (403), and the output shaft of the first electric push rod (401) is hinged to the connecting frame (403).

2. The printing roller device for waterproof thermal paper according to claim 1, characterized in that: The leveling component (3) includes a second electric push rod (301) fixedly connected to the top of the frame (2), a sliding plate (302) is defined and slidably connected inside the frame (2), a pressure roller (303) is provided inside the frame (2), a slot (309) is opened inside the pressure roller (303), a motor (304) is fixedly connected to the top of the machine body (1), a connecting box (305) is provided inside the frame (2), a spring (310) is fixedly connected inside the connecting box (305), and a locking block (308) is fixedly connected to the side of the spring (310) near the pressure roller (303).

3. The printing roller device for waterproof thermal paper according to claim 2, characterized in that: The four bottom connecting boxes (305) are all rotatably connected to the inside of the frame (2), and the four top connecting boxes (305) are all rotatably connected to the inside of the slide plate (302). The top of the four slide plates (302) are all fixedly connected to the output shaft of the second electric push rod (301), and the output shaft of the motor (304) is fixedly connected to the connecting box (305).

4. The printing roller device for waterproof thermal paper according to claim 2, characterized in that: The slot (309) has a trapezoidal cross-sectional shape, and the end of the card block (308) near the pressure roller (303) has a trapezoidal cross-sectional shape. The card block (308) is engaged inside the slot (309).

5. The printing roller device for waterproof thermal paper according to claim 2, characterized in that: Both the connecting box (305) and the card block (308) have threaded holes (306) inside, and both the card block (308) and the connecting box (305) are threaded with bolts (307).

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