A paper feeding auxiliary mechanism for a self-adhesive label printing device

Abstract

This utility model discloses a paper feeding auxiliary mechanism for a self-adhesive label printing device, including: a base plate and a frame mounted on the base plate; a motor mounted on the outer wall of one side of the frame; two paper feeding components are rotatably mounted at both the upper and lower ends of the inner wall of the frame, and the two paper feeding components are arranged opposite to each other; a tensioning component is mounted on the top of the base plate; and dust removal components are rotatably mounted at both the upper and lower ends of the inner wall of the frame. This paper feeding auxiliary mechanism for a self-adhesive label printing device increases the contact area with the paper by using dual paper feeding components for clamping and conveying, preventing the paper tip from curling up and ensuring stable paper feeding; the tensioning component can adapt to different paper sizes and adjust the clamping force to prevent slippage or deformation; the dust removal component works in conjunction with the paper feeding component for cleaning, and a suction structure removes dust to prevent paper contamination; overall, it improves printing quality and production efficiency, reduces waste rate, and has a simple and practical structure.

Description

Technical Field

[0001] This utility model relates to the field of paper feeding technology, specifically to a paper feeding auxiliary mechanism for a self-adhesive label printing device. Background Technology

[0002] In the paper feeding process of self-adhesive label printing equipment, the traditional paper feeding method relies on two feed rollers to hold the paper and generate friction through relative rotation to transport the paper. However, due to the limited contact points between the feed rollers and the paper, the leading edge of the paper is prone to curling up. This is because the smaller contact points mean that the support range of the feed rollers for the paper is limited.

[0003] During the feeding process, in addition to being moved forward by the friction of the feed rollers, paper also requires sufficient support to maintain its flatness. When there are few contact points, most of the leading edge of the paper lacks effective support. Under the influence of gravity, the leading edge of the paper will naturally sag, while the rotation of the feed rollers will exert a forward pulling force on the paper. The combined effect of these two forces can easily cause the leading edge of the paper to lose balance and curl upwards. When entering the feed inlet of the printing unit, it may collide with the equipment, causing damage and folding to the leading edge, affecting label printing quality and production efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a paper feeding auxiliary mechanism for a self-adhesive label printing device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a paper feeding auxiliary mechanism for a self-adhesive label printing device, comprising: a base plate and a frame mounted on the base plate, further comprising: a motor mounted on the outer wall of one side of the frame, two paper feeding components rotatably mounted at both the upper and lower ends of the inner wall of the frame, the two paper feeding components being arranged opposite to each other, a tensioning component mounted on the top of the base plate, and dust removal components rotatably mounted at both the upper and lower ends of the inner wall of the frame, a cover fixed at both the upper and lower ends of the inner wall of the frame, the two covers being arranged opposite to each other, an air extraction pipe mounted on the outside of the frame, the air inlet end of the air extraction pipe being connected to the inside of the two covers respectively, and the other end of the air extraction pipe being connected to an external dust pump.

[0006] The paper feeding assembly includes two rollers, a drive belt connected to the outer walls of the two rollers, and a drive gear installed at one end of one of the rollers.

[0007] The tensioning assembly includes a double-slide linear motor, a movable plate mounted on two sliding parts of the double-slide linear motor, two pairs of support rods rotatably mounted on the outer walls of opposite sides of the two movable plates, a slider rotatably connected to one end of the support rods, a mounting frame connected to the outer walls of the two opposite sliders, and multiple tensioning rollers rotatably mounted on the inner wall of the mounting frame.

[0008] The outer walls on both sides of the frame have sliding openings, and the slider is slidably connected to the inner wall of the sliding opening.

[0009] The dust removal assembly includes a rotating rod, multiple equidistantly distributed bristles mounted on the outer wall of the rotating rod, and a driven gear mounted on one end of the rotating rod.

[0010] A gap is left between the cover and the outer wall of the paper feed assembly.

[0011] Compared with the prior art, the beneficial effects of this utility model are: This utility model discloses a paper feeding auxiliary mechanism for a self-adhesive label printing device. It utilizes a dual paper feeding assembly to clamp and transport the paper, increasing the contact area with the paper, preventing the paper tip from curling up, and ensuring stable paper feeding. The tensioning assembly can adapt to different paper sizes and adjust the clamping force to prevent slippage or deformation. The dust removal assembly works in conjunction with the paper feeding assembly for cleaning, and a suction structure removes dust to prevent paper contamination. Overall, it improves printing quality and production efficiency, reduces waste rates, and features a simple and highly practical structure. Attached Figure Description

[0012] Figure 1 This is a first-view structural diagram of the present invention; Figure 2 This is a second-view structural diagram of the present invention; Figure 3 This is a cross-sectional view of the present invention; Figure 4 This is a structural diagram of the paper feeding assembly of this utility model; Figure 5 This is a structural diagram of the tensioning component of this utility model; Figure 6 This is a structural diagram of the dust removal component of this utility model.

[0013] In the diagram: 1. Base plate; 2. Frame; 3. Motor; 4. Paper feed assembly; 401. Rotary roller; 402. Transmission belt; 403. Drive gear; 5. Tensioning assembly; 501. Double slide linear motor; 502. Moving plate; 503. Support rod; 504. Slider; 505. Mounting bracket; 506. Tensioning roller; 6. Dust removal assembly; 601. Rotating rod; 602. Brush bristles; 603. Driven gear; 7. Cover; 8. Exhaust pipe; 9. Paper. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see Figure 1-6 The present invention provides a paper feeding auxiliary mechanism for a self-adhesive label printing device, comprising: a base plate 1 and a frame 2 installed above the base plate 1, and further comprising: a motor 3 installed on the outer wall of one side of the frame 2, two paper feeding components 4 rotatably installed at both the upper and lower ends of the inner wall of the frame 2, and the two paper feeding components 4 being arranged opposite to each other, a tensioning component 5 installed on the top of the base plate 1, and dust removal components 6 rotatably installed at both the upper and lower ends of the inner wall of the frame 2, and covers 7 fixed at both the upper and lower ends of the inner wall of the frame 2, and the two covers 7 being arranged opposite to each other, and an air extraction pipe 8 installed on the outside of the frame 2, with the air inlet end of the air extraction pipe 8 connected to the inside of the two covers 7 respectively, and the other end of the air extraction pipe 8 connected to an external dust pump.

[0016] It should be noted that the paper feeding auxiliary mechanism of this self-adhesive label printing device is based on the base plate 1 for support, and the frame 2 serves as the component mounting carrier. Stable paper feeding and cleaning functions are achieved through the coordinated operation of multiple components. First, one end of the paper 9 is inserted between two paper feeding components 4 arranged vertically opposite each other on the inner wall of the frame 2. The tension of the paper feeding components 4 is adjusted by the tensioning component 5 at the top of the base plate 1, ensuring a stable clamping of the paper 9 by the paper feeding components 4. Then, the motor 3 installed on one side of the outer wall of the frame 2 is started. The motor 3 outputs power to rotate one of the paper feeding components 4. Under the transmission action of the paper feeding component 4, the other paper feeding component 4 rotates accordingly. The clamping force and friction of the two paper feeding components 4 then move the paper 9 towards the printing device, achieving the paper feeding operation. Simultaneously, during the rotation of the paper feeding components 4, the dust removal components 6 installed vertically on the inner wall of the frame 2 also rotate, cleaning and removing dust from the surface of the paper feeding components 4. The cover 7, which is fixed to the upper and lower inner walls of the frame 2, can collect the dust generated during cleaning. Then, through the air extraction pipe 8 connected to the cover 7 and extending to the outside of the frame 2, the dust inside the cover 7 is extracted in conjunction with the negative pressure generated by the external dust pump, keeping the surface of the paper feeding component 4 clean and preventing dust from contaminating the paper 9 and affecting the printing quality.

[0017] In a preferred embodiment, the paper feeding assembly 4 includes two rollers 401, a drive belt 402 connected to the outer walls of the two rollers 401, and a drive gear 403 mounted on one end of one of the rollers 401.

[0018] It should be noted that the paper feeding assembly 4 consists of two rotating rollers 401, a transmission belt 402, and a drive gear 403. Its core function is to achieve stable feeding of the paper 9 through a transmission structure. The two rotating rollers 401 are installed in parallel rotation, and the transmission belt 402 is wrapped around and connected to the outer walls of the two rotating rollers 401, forming a cyclically rotating feeding surface. When the motor 3 provides power, the power is transmitted to the rotating roller 401 equipped with the drive gear 403, causing it to rotate. Through the transmission action of the transmission belt 402, the other rotating roller 401 rotates synchronously, enabling the transmission belt 402 to form a stable cyclic motion. With the cooperation of the tensioning assembly 5, the transmission belt 402 is in close contact with the paper 9. Utilizing the friction between the transmission belt 402 and the paper 9, the paper 9 moves with the transmission belt 402, thus achieving the feeding of the paper 9. Meanwhile, the drive gear 403 can mesh with other components (such as the transmission component of another paper feeding component or the driven gear of the dust removal component) to achieve multi-component linkage and ensure that the paper feeding action is synchronized with other auxiliary actions (such as the relative rotation of another paper feeding component or the cleaning of the dust removal component).

[0019] In a preferred embodiment, the tensioning assembly 5 includes a double-slide linear motor 501, a movable plate 502 mounted on two sliding parts of the double-slide linear motor 501, two pairs of support rods 503 rotatably mounted on the outer wall of opposite sides of the two movable plates 502, a slider 504 rotatably connected to one end of the support rod 503, a mounting frame 505 connected to the outer wall of the two sliders 504, and a plurality of tensioning rollers 506 rotatably mounted on the inner wall of the mounting frame 505. The outer walls on both sides of the frame 2 have sliding openings, and the sliders 504 are slidably connected to the inner wall of the sliding openings.

[0020] It should be noted that the tensioning component 5, through its adjustable structure, achieves precise control of the tension of the paper feeding component 4, ensuring stable paper feeding. The dual-slide linear motor 501 is fixed to the top of the base plate 1, and its two sliding parts can move synchronously or in opposite directions along a straight line. The moving plate 502 is mounted on the two sliding parts respectively, moving synchronously with them. One end of each pair of support rods 503 is rotatably mounted on the outer wall of the opposite side of the moving plate 502, and the other end is rotatably connected to the slider 504. The slider 504 can slide vertically within the sliding openings on both sides of the outer wall of the frame 2. The mounting frame 505 is connected to the outer wall of the two opposing sliders 504, and multiple equidistantly distributed tension rollers 506 are rotatably mounted on the inner wall of the mounting frame 505. When it is necessary to adjust the tension of the paper feeding component 4, the dual-slide linear motor 501 drives the two sliding parts to move, causing the moving plate 502 to move closer or further away. The support rods 503 push or pull the slider 504 to slide within the sliding opening, thereby causing the mounting frame 505 and the tension rollers 506 to move up and down. The tension roller 506 contacts the drive belt 402 of the paper feed assembly 4. By changing the position of the tension roller 506, the tension of the drive belt 402 is adjusted so that the clamping force of the drive belt 402 on the paper 9 is adapted to paper of different thicknesses and materials, thus preventing the paper from slipping or deforming due to excessive clamping.

[0021] In a preferred embodiment, the dust removal assembly 6 includes a rotating rod 601, a plurality of equally spaced bristles 602 mounted on the outer wall of the rotating rod 601, and a driven gear 603 mounted on one end of the rotating rod 601.

[0022] It should be noted that the dust removal component 6, through its linkage with the paper feeding component 4, achieves real-time cleaning of the surface of the paper feeding component 4, preventing dust from affecting printing quality. The rotating rod 601 is rotatably mounted on the inner wall of the frame 2, with multiple equidistantly distributed bristles 602 fixed to the outer wall of the rotating rod 601. A driven gear 603 is mounted at one end of the rotating rod 601, and meshes with the driving gear 403 of the paper feeding component 4 or other transmission gears of the paper feeding component. When the paper feeding component 4 is working, the driving gear 403 rotates, driving the driven gear 603 to rotate through gear meshing, thereby causing the rotating rod 601 to rotate synchronously. During the rotation of the rotating rod 601, the bristles 602 contact the surface of the transmission belt 402 of the paper feeding component 4 and generate relative friction, sweeping away dust, paper scraps, and other impurities adhering to the surface of the transmission belt 402, thus cleaning the paper feeding component 4 and providing a clean transport environment for the paper 9.

[0023] In a preferred embodiment, a gap is left between the cover 7 and the outer wall of the paper feed assembly 4.

[0024] It should be noted that the gap between the cover 7 and the outer wall of the paper feeding assembly 4 is a key structural design feature that ensures the dust removal and paper feeding functions work together without interference. On one hand, the gap prevents direct contact between the cover 7 and the paper feeding assembly 4 (especially the rotating drive belt 402), preventing friction and wear, and ensuring smooth rotation of the paper feeding assembly 4 without affecting the normal feeding of the paper 9. On the other hand, this gap creates a relatively enclosed space, confining the dust swept up by the dust removal assembly 6 inside the cover 7. This allows the suction pipe 8, in conjunction with an external dust pump, to efficiently remove the dust through negative pressure, reducing its spread to other areas inside the frame 2. This further ensures the cleanliness of the paper feeding assembly 4 and the paper 9, preventing dust from adversely affecting the printing quality of the self-adhesive labels.

[0025] Working principle: The device is supported by a base plate 1 and integrates core components such as a motor 3, paper feeding assembly 4, tensioning assembly 5, dust removal assembly 6, cover 7, and air extraction pipe 8 through a frame 2. These components work together to achieve stable feeding, tension adjustment, and cleaning of self-adhesive label paper. The specific working principle is as follows: I. Overall Start-up and Power Transmission When the device is started, the motor 3 installed on the outer wall of one side of the frame 2 outputs power, first driving one of the paper feeding components 4, which are arranged opposite to each other at the upper and lower ends of the inner wall of the frame 2, to operate. Through the transmission connection between the components, other functional modules are driven to move synchronously, forming a closed-loop workflow of "conveying-tensioning-cleaning", providing power and functional support for the stable feeding of paper 9.

[0026] II. The conveying function of the paper feeding assembly The paper feed assembly 4 is the core conveying component. Each paper feed assembly 4 includes two rollers 401, a drive belt 402, and a drive gear 403. The motor 3 transmits power to one of the paper feeding components 4, causing the roller 401 to rotate; The rotating roller 401 drives another rotating roller 401 in the same paper feeding assembly to rotate synchronously through the transmission belt 402, so that the transmission belt 402 forms a cyclic motion; Meanwhile, the drive gear 403 of the paper feeding assembly 4 is installed at one end of one of the rollers 401 and meshes with the transmission component of the other paper feeding assembly 4 which is arranged opposite to it, driving the other paper feeding assembly 4 to rotate in the opposite direction. The operator inserts one end of the paper 9 between two opposing paper feed components 4. Under the friction between the transmission belt 402 and the paper 9, the paper 9 is stably clamped and conveyed towards the printing device with the transmission belt 402. Compared with traditional paper feed rollers, the surface contact design of the transmission belt 402 greatly reduces the problem of the paper tip curling up.

[0027] III. Tension Adjustment of the Tensioning Component Tensioning assembly 5 is used to adapt to different paper sizes and ensure paper feeding stability. Its structure includes a double-slide linear motor 501, a moving plate 502, a support rod 503, a slider 504, a mounting frame 505, and a tensioning roller 506. Based on the thickness and material of the paper 9, the double-slide linear motor 501 on the top of the base plate 1 is activated, and its two sliding parts drive the moving plate 502 installed on it to move closer or further away in sync. When the movable plate 502 moves, it drives the two pairs of support rods 503, which are rotatably installed on the outer wall on the opposite side, to swing. The slider 504 at one end of the support rod 503 slides along the sliding openings on both sides of the outer wall of the frame 2 to limit the offset of the slider 504 and ensure stable movement. The slider 504 drives the mounting bracket 505 connected to its outer wall to move up and down, thereby causing multiple tension rollers 506 on the inner wall of the mounting bracket 505 to contact the transmission belt 402 of the paper feeding assembly 4. By adjusting the position of the tension roller 506, the tension of the transmission belt 402 is changed, so that the clamping force of the transmission belt 402 on the paper 9 is adapted to avoid the paper slipping or deforming due to excessive clamping.

[0028] IV. Cleaning function of dust removal components The dust removal component 6 is linked with the paper feeding component 4 to achieve real-time cleaning. It includes a rotating rod 601, brush bristles 602, and driven gear 603. When the drive gear 403 of the paper feeding assembly 4 rotates, it meshes with the driven gear 603 of the dust removal assembly 6 installed at one end of the rotating rod 601, driving the rotating rod 601 to rotate. Multiple bristles 602 on the outer wall of the rotating rod 601 rotate synchronously with the rotating rod 601, and rub against the surface of the transmission belt 402 of the paper feeding assembly 4 to clean dust, paper scraps and other impurities on the transmission belt 402. The cover 7, which is fixed at both the upper and lower ends of the inner wall of the frame 2, encloses the dust removal area. The cover 7 leaves a gap with the outer wall of the paper feeding assembly 4 to avoid friction and interference with paper feeding, so that the dust collected is concentrated inside the cover 7. One end of the exhaust pipe 8 outside the frame 2 is connected to the inside of the cover 7, and the other end is connected to an external dust pump. When the dust pump is started, it generates negative pressure and removes the dust inside the cover 7 through the exhaust pipe 8, keeping the transmission belt 402 clean and preventing dust from contaminating the paper 9 and affecting the printing quality.

[0029] V. Overall Coordination and Paper Feeding Completion Driven by the motor 3, the paper feeding component 4 conveys the paper, the tension component 5 adjusts the tension, the dust removal component 6 cleans the paper, and the air extraction pipe 8 sucks up the dust simultaneously. The paper 9 is continuously fed to the printing device in a stable, tension-appropriate, and clean environment, thus completing the paper feeding auxiliary process and ensuring the quality and efficiency of self-adhesive label printing.

[0030] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A paper feeding auxiliary mechanism for a self-adhesive label printing device, comprising: The base plate (1) and the frame (2) installed on the base plate (1); The feature is that it further includes: a motor (3) installed on the outer wall of one side of the frame (2), two paper feeding components (4) are rotatably installed at both the upper and lower ends of the inner wall of the frame (2), and the two paper feeding components (4) are arranged opposite to each other, a tensioning component (5) is installed on the top of the bottom plate (1), and a dust removal component (6) is rotatably installed at both the upper and lower ends of the inner wall of the frame (2), a cover (7) is fixed at both the upper and lower ends of the inner wall of the frame (2), and the two covers (7) are arranged opposite to each other, an air extraction pipe (8) is installed on the outside of the frame (2), and the air inlet end of the air extraction pipe (8) is connected to the inside of the two covers (7) respectively, and the other end of the air extraction pipe (8) is connected to an external dust pump.

2. The paper feeding auxiliary mechanism of the self-adhesive label printing device according to claim 1, characterized in that: The paper feeding assembly (4) includes two rollers (401), a transmission belt (402) connected to the outer wall of the two rollers (401), and a drive gear (403) installed at one end of one of the rollers (401).

3. The paper feeding auxiliary mechanism of the self-adhesive label printing device according to claim 1, characterized in that: The tensioning assembly (5) includes a double-slide linear motor (501), a movable plate (502) mounted on two sliding parts of the double-slide linear motor (501), two pairs of support rods (503) rotatably mounted on the outer wall of opposite sides of the two movable plates (502), a slider (504) rotatably connected to one end of the support rod (503), a mounting frame (505) connected to the outer wall of the two sliders (504) opposite to each other, and a plurality of tensioning rollers (506) rotatably mounted on the inner wall of the mounting frame (505) at equal intervals.

4. The paper feeding auxiliary mechanism of the self-adhesive label printing device according to claim 1, characterized in that: The frame (2) has sliding openings on both outer walls, and the slider (504) is slidably connected to the inner wall of the sliding opening.

5. The paper feeding auxiliary mechanism of the self-adhesive label printing device according to claim 1, characterized in that: The dust removal assembly (6) includes a rotating rod (601), a plurality of equally spaced bristles (602) installed on the outer wall of the rotating rod (601), and a driven gear (603) installed on one end of the rotating rod (601).

6. The paper feeding auxiliary mechanism of the self-adhesive label printing device according to claim 1, characterized in that: A gap is left between the cover (7) and the outer wall of the paper feed assembly (4).

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