Digital label printing machine
By designing adaptive tension rollers and dust-removing rollers, the problems of inaccurate tension adjustment and incomplete dust removal in digital label printing machines are solved, achieving stable tension of label paper and clean printing, thus improving printing quality.
Patent Information
- Application Number
- CN202423115747.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Existing digital label printing machines suffer from inaccurate tension adjustment and incomplete dust removal from the label paper surface, which affects print quality.
An adaptive tension roller and dust-adhesive roller structure was designed. The tension roller adjusts the tension by an electric push rod, the dust-adhesive roller adheres tightly to the label paper to remove dust, and the scraper removes dust from the tension roller, thus realizing adaptive tension adjustment and dust removal.
It ensures the stability of label paper tension and printing quality, effectively removes dust from the label paper surface, and improves the reliability and printing effect of the printing press.
Smart Images
Figure CN223520442U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to label printing machine technical field especially relates to a label digital printing machine. BACKGROUND
[0002] In the label printing industry, label digital printing machines play a crucial role. These machines can efficiently and high-quality produce various labels by precisely controlling the printing process. However, existing label digital printing machines still have some problems and challenges in practical application.
[0003] Firstly, traditional printing machines usually rely on manual adjustment or simple mechanical structures, which is not only cumbersome to operate, but also difficult to ensure the accuracy and stability of the tension. Inappropriate tension can cause label paper to shift or wrinkle during the printing process, affecting the printing quality. Secondly, during the winding process, dust or impurities may adhere to the surface of the label paper due to environmental factors, which can affect the quality of the wound label paper. INVENTION CONTENTS
[0004] To overcome the shortcomings of the prior art, the utility model provides a label digital printing machine.
[0005] Technical scheme: a label digital printing machine, comprising a rack, a printing machine body is arranged at the top of the rack, a unwinding roller and a winding roller are arranged at the left and right sides of the top of the rack respectively, a guide roller is fixedly arranged at the left and right sides of the top of the rack respectively, a tensioning roller which can move up and down is arranged at the right side of the top of the rack, the tensioning roller is used for adjusting the tension of the label paper, a dust sticking roller is movably arranged on the mounting frame of the right guide roller, the dust sticking roller is used for being in close contact with the label paper and removing the dust on the surface of the label paper, when the tension of the tensioning roller is adjusted, the dust sticking roller can adapt to the change of the tension of the label paper and keep close contact with the label paper.
[0006] Further explanation, the tensioning roller comprises a rotating drum and a connecting rod, the rotating drum is rotatably connected to the connecting rod, the mounting frame of the tensioning roller is U-shaped, a U-shaped rod is slidably connected in the mounting frame of the tensioning roller, the connecting rod is fixedly connected between the two ends of the U-shaped rod, an electric push rod is installed on the mounting frame of the tensioning roller, and the telescopic rod of the electric push rod is in transmission connection with the U-shaped rod.
[0007] Further explanation, one end of the rotating drum is fixedly connected with a belt pulley, the inner side of the U-shaped rod is rotatably connected with a reciprocating screw rod, another belt pulley is fixedly connected on the reciprocating screw rod, the two belt pulleys are in transmission connection through a flat belt, a scraping rod is threadedly connected on the reciprocating screw rod, and the bottom end of the scraping rod is in contact with the outer edge of the rotating drum.
[0008] Further illustrate, the mounting frame of the right guide roller is symmetrically fixed with two arc-shaped guide rails, each guide rail is slidably connected with a mounting block, and each mounting block is connected with an elastic member between the inside of the guide rail, the opposite side of the two mounting blocks is rotatably connected with a connecting block, and the two ends of the dust sticking roller are detachably connected with the two connecting blocks.
[0009] Further illustrate, the connecting block is provided with a butt joint groove, and the two ends of the dust sticking roller are fixedly connected with butt joint blocks matched with the butt joint grooves.
[0010] Further illustrate, the two guide rails are provided with arc-shaped guide rods, one end of the guide rod slidably penetrates the guide rail and is slidably connected with the mounting frame of the right guide roller, the other end of the guide rod is slidably connected with the mounting block, and the elastic member is sleeved on the guide rod.
[0011] Beneficial effects: the self-adaptive close-fitting design of the dust sticking roller and the label paper effectively removes the dust on the surface of the label paper, and the dust and impurities on the tensioning roller can be removed through the setting of the scraping plate, so that the cleaning and normal work of the tensioning roller are ensured. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a three-dimensional structure schematic diagram of the utility model.
[0013] Figure 2 It is a mounting structure schematic diagram of the tensioning roller of the utility model.
[0014] Figure 3 It is a mounting structure schematic diagram of the dust sticking roller of the utility model.
[0015] Figure 4 It is an explosion view of the three-dimensional structure of the dust sticking roller of the utility model.
[0016] Markings in the drawings: 1-machine frame, 2-printing machine body, 3-unwinding roller, 4-take-up roller, 5-guide roller, 6-tensioning roller, 601-rotary drum, 602-connecting rod, 7-dust sticking roller, 8-U-shaped rod, 9-electric push rod, 10-reciprocating screw rod, 11-belt pulley, 12-scraping rod, 13-guide rail, 14-mounting block, 15-elastic member, 16-connecting block, 161-butt joint groove, 17-butt joint block, 18-screw rod, 19-guide rod. DETAILED DESCRIPTION
[0017] The utility model will be further described below in combination with specific embodiments, the illustrative embodiments of the utility model and the description are used to explain the utility model, but not as the limitation of the utility model.
[0018] Please refer to Figures 1-4The utility model provides a kind of label digital printing machine, including rack 1, the middle part of the top of rack 1 is equipped with printing machine body 2, for completing the printing operation of label paper, the top of rack 1 left and right sides is equipped with unwinding roll 3 and winding roll 4 respectively, and it is used to place label paper to be printed and collect the label paper of printing completion, the top of rack 1 left and right sides is fixedly equipped with guide roller 5 respectively, for guiding the path of label paper on rack 1, the top of rack 1 right side is equipped with the tensioning roller 6 that can move up and down, and the tensioning roller 6 is used to adjust the tension of label paper, the mounting bracket of right side guide roller 5 is movably provided with dust sticking roller 7, and the dust sticking roller 7 is used to be attached with label paper, remove dust on the surface of label paper, when the tensioning degree of tensioning roller 6 to label paper tensioning degree is adjusted, dust sticking roller 7 can be self-adapting the tensioning degree change of label paper and keep closely attached with it.
[0019] Tensioning roller 6 includes drum 601 and connecting rod 602, drum 601 is rotatably connected to connecting rod 602, the mounting bracket of tensioning roller 6 is U-shaped, U-shaped rod 8 is slidably connected in the mounting bracket of tensioning roller 6, connecting rod 602 is fixedly connected between the two ends of U-shaped rod 8, electric push rod 9 is installed on the mounting bracket of tensioning roller 6, the telescopic rod of electric push rod 9 is drivingly connected with U-shaped rod 8, by controlling the telescopic of electric push rod 9, the up-and-down movement of tensioning roller 6 can be realized, and then the tension of label paper is adjusted.
[0020] In order to keep the cleaning and normal work of tensioning roller 6, the embodiment further provides a scraping rod 12, one end of drum 601 is fixedly connected with a belt pulley 11, the inner side of U-shaped rod 8 is rotatably connected with a reciprocating screw rod 10, another belt pulley 11 is fixedly connected on reciprocating screw rod 10, the two belt pulleys 11 are drivingly connected by flat belt, the scraping rod 12 is threadedly connected on reciprocating screw rod 10, the bottom end of scraping rod 12 is in contact with the outer edge of drum 601, when drum 601 rotates, reciprocating screw rod 10 can be driven to rotate through the driving action of belt pulley 11 and flat belt, and then scraping rod 12 moves reciprocally along reciprocating screw rod 10, so as to remove dust and impurities on drum 601.
[0021] Two arc-shaped guide rails 13 are symmetrically fixed on the mounting bracket of right side guide roller 5, each guide rail 13 is slidably connected with a mounting block 14, each mounting block 14 is connected with an elastic member 15 between its guide rail 13, the opposite side of two mounting blocks 14 is rotatably connected with a connecting block 16, the two ends of dust sticking roller 7 are detachably connected with two connecting blocks 16, specifically, a butt joint groove 161 is opened on connecting block 16, the two ends of dust sticking roller 7 are fixedly connected with butt joint blocks 17 matched with butt joint groove 161, butt joint blocks 17 are detachably connected with butt joint groove 161 through screw rod 18.
[0022] The arc-shaped guide rod 19 is slidably penetrated through the guide rail 13 and slidably connected with the mounting frame of the right guide roller 5 at one end, and slidably connected with the mounting block 14 at the other end, and the elastic member 15 is sleeved on the guide rod 19, so that the elastic member 15 and the mounting block 14 can smoothly move in the guide rail 13.
[0023] Working principle: initially, the unwinding roller 3 is provided with a roll of unprinted label paper, one end of the label paper is passed through the lower surface of the left guide roller 5, then passed through the printing machine body 2, and then laid on the upper surface of the right guide roller 5, and then passed through the lower surface of the dust sticking roller 7, and then passed through the lower surface of the rotating drum 601 of the tensioning roller 6, and finally laid on the winding roller 4, the telescopic rod of the electric push rod 9 is in a preset shortened state, so that the label paper between the right guide roller 5 and the tensioning roller 6 is in a minimum inclination angle, and the two elastic members 15 are in a stretched state, and the dust sticking roller 7 is closely attached to the label paper under the elastic action of the elastic member 15, in use, the up and down movement of the tensioning roller 6 is realized by the telescopic rod of the electric push rod 9, so as to adjust the tension of the label paper, when the tension of the label paper changes, the inclination of the label paper between the right guide roller 5 and the tensioning roller 6 will change, and the dust sticking roller 7 can adapt to the change under the elastic action of the elastic member 15, so as to keep the dust sticking roller 7 closely attached to the label paper, so as to ensure that the dust sticking roller 7 can effectively remove the dust on the surface of the label paper, at the same time, under the action of the contact friction force with the label paper, the rotation of the rotating drum 601 of the tensioning roller 6 will be driven by the label paper, and the rotation of the rotating drum 601 will be transmitted to the reciprocating screw rod 10 through the joint transmission of the two belt pulleys 11 and the flat belt, so that the reciprocating screw rod 10 continuously rotates, and then the scraping rod 12 will reciprocate along the reciprocating screw rod 10, and remove the dust and impurities on the surface of the rotating drum 601 through the contact action of the bottom end of the scraping rod 12 with the surface of the rotating drum 601, so as to ensure the cleaning and normal work of the tensioning roller 6.
[0024] It should be understood that the above description is only for exemplary purposes and does not mean to limit the present application. Those skilled in the art will understand that the variations of the present application will be included in the scope of the claims herein.
Claims
1. A label digital printing machine, comprising a frame (1), a printing machine body (2) is arranged in the middle of the top of the frame (1), a pay-off roll (3) and a winding roll (4) are arranged on the left and right sides of the top of the frame (1) respectively, and a guide roll (5) is fixedly arranged on the left and right sides of the top of the frame (1) respectively, characterized in that: The right side of the top of the frame (1) is provided with a tensioning roller (6) which can move up and down, the tensioning roller (6) is used for adjusting the tension of the label paper, the mounting frame of the right side guide roller (5) is movably provided with a dust sticking roller (7), the dust sticking roller (7) is used for being attached to the label paper and removing the dust on the surface of the label paper, when the tensioning roller (6) adjusts the tension of the label paper, the dust sticking roller (7) can adapt to the change of the tension of the label paper and keep close contact with the label paper. 2. A label digital printer according to claim 1, characterized in that: The tensioning roller (6) comprises a rotating drum (601) and a connecting rod (602), the rotating drum (601) is rotatably connected to the connecting rod (602), the mounting frame of the tensioning roller (6) is U-shaped, a U-shaped rod (8) is slidably connected in the mounting frame of the tensioning roller (6), the connecting rod (602) is fixedly connected between the two ends of the U-shaped rod (8), an electric push rod (9) is installed on the mounting frame of the tensioning roller (6), and the telescopic rod of the electric push rod (9) is in transmission connection with the U-shaped rod (8).
3. A label digital printer according to claim 2, characterised in that: One end of the rotating drum (601) is fixedly connected with a belt pulley (11), the inner side of the U-shaped rod (8) is rotatably connected with a reciprocating screw rod (10), another belt pulley (11) is fixedly connected to the reciprocating screw rod (10), the two belt pulleys (11) are in transmission connection through a flat belt, a scraping rod (12) is threadedly connected to the reciprocating screw rod (10), and the bottom end of the scraping rod (12) is in contact with the outer edge of the rotating drum (601).
4. A label digital printer according to claim 3, characterised in that: The mounting frame of the right side guide roller (5) is fixedly connected with two arc-shaped guide rails (13) which are symmetrically arranged front and back, each guide rail (13) is slidably connected with a mounting block (14), each mounting block (14) is connected with an elastic element (15) between the inside of the guide rail (13) where the mounting block (14) is located, and the opposite sides of the two mounting blocks (14) are rotatably connected with connecting blocks (16), and the two ends of the dust sticking roller (7) are detachably connected with the two connecting blocks (16) respectively.
5. A label digital printer according to claim 4, characterised in that: The connecting block (16) is provided with a butt joint groove (161), the two ends of the dust sticking roller (7) are fixedly connected with butt joint blocks (17) which are matched with the butt joint groove (161), and the butt joint blocks (17) are detachably connected with the butt joint groove (161) through a screw rod (18).
6. A label digital printer according to claim 5, characterised in that: The two guide rails (13) are provided with arc-shaped guide rods (19), one end of the guide rod (19) slidably penetrates the guide rail (13) and is slidably connected with the mounting frame of the right side guide roller (5), the other end of the guide rod (19) is slidably connected with the mounting block (14), and the elastic element (15) is sleeved on the guide rod (19).