CN212219684U

CN212219684U - Paper rolling wheel for inclined printer

Info

Publication number: CN212219684U
Application number: CN202021174863.8U
Authority: CN
Inventors: 盘茂森; 巫铭毅; 莫才颂; 葛雅莉; 马李; 李玲; 严丹林
Original assignee: Maoming Senyuan Electronic Technology Co ltd; Guangdong University of Petrochemical Technology
Current assignee: Maoming Senyuan Electronic Technology Co ltd; Guangdong University of Petrochemical Technology
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2020-12-25
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a paper roller for oblique income formula printer, including left actuating lever, paper roller body, right actuating lever, the paper roller body sets up between left actuating lever and right actuating lever, and the paper roller body includes with left actuating lever, right actuating lever coaxial coupling's drive sleeve, and drive sleeve surface cover is equipped with the rubber wheel that the surface is the mat surface, and the rubber wheel includes a plurality of annular district, and a plurality of annular districts are two kinds or more than two kinds in the fine annular district of butyl, silicon rubber annular district, polyurethane annular district and/or the polyurethane rubber annular district. The utility model discloses a pickup roller for oblique income formula printer has that the wearability is good, paper feeding force is even, pick up effectual and long service life's characteristics.

Description

Paper rolling wheel for inclined printer

Technical Field

The utility model relates to a printer technical field specifically indicates a pickup roller for oblique income formula printer.

Background

The pickup roller serves as a key component of the printer/copy and is capable of picking up paper from the stack. Chinese patent CN104228357B discloses a tilt-in printer, which comprises: a paper transport table; a circular arc-shaped paper conveying plate is fixed at the paper outlet end of the paper conveying table; a baffle plate with an infrared device is arranged on the side edge of the paper conveying table; a screw rod which can be controlled by a screw rod controller to lift is arranged at the paper outlet end of the paper conveying table; the axis of the screw is parallel to the edge of the paper outlet end of the paper conveying table; a paper pickup wheel matched with the screw thread is sleeved on the screw; the forward and reverse rotation of the paper pickup wheel is controlled by the main controller; a paper conveying wheel matched with the radian of the paper conveying plate is arranged at the position between the paper twisting wheel and the paper conveying plate and clinging to the paper conveying plate. The printer is simple in structure, paper can be effectively rubbed open, and meanwhile, automatic alignment of the paper can be achieved. In the oblique-in printer of the invention, the key to its automatic alignment is the pickup roller. However, in practical applications, the wear resistance and the paper-feeding force of the paper-feeding wheel directly affect the paper-feeding effect of the printer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a paper rubbing wheel for oblique income formula printer has that the wearability is good, paper feeding force is even, pick up effectual and long service life's characteristics.

The utility model discloses can realize through following technical scheme:

the utility model discloses a paper roller for oblique income formula printer, including left actuating lever, paper roller body, right actuating lever, the paper roller body sets up between left actuating lever and right actuating lever, and the paper roller body includes with left actuating lever, right actuating lever coaxial coupling's drive sleeve, and drive sleeve surface cover is equipped with the rubber wheel that the surface is the mat surface, and the rubber wheel includes a plurality of annular district, and a plurality of annular districts are two kinds or more than two kinds in the fine annular district of butyl, silicon rubber annular district, polyurethane annular district and/or the polyurethane rubber annular district.

In the above-mentioned annular region, the characteristics of different materials are:

butadiene acrylonitrile rubber: the advantages are that the hardness can be made lower, the softer the paper rubbing wheel is, the better the effect of rubbing thin paper is, the vulcanization molding is easy and not easy to deform, and the processing cost is lower. The defects are that the surface of the paper roller is easy to scale with low density, the viscosity of the material is general in paper pickup force, the wear resistance is poor, and the paper roller is not durable.

Silicon rubber material: its advantages are high viscosity, high paper picking effect, high elasticity and high compatibility. The disadvantage is poor wear resistance and low durability.

Polyurethane material: the advantages are that the wear resistance is strong, and the service life of the paper rolling wheel is very long; the density is high, and the surface is smooth and is not scaled; high hardness and good machinability and reprocessing performance. The defects that the friction force is less than that of rubber and the paper picking effect is poor due to low viscosity of the material and poor affinity with paper; the hard and hard thin paper rubbing effect is poor, the hard and soft thin paper rubbing effect is hard and not easy to make, the hardness of the common polyurethane material is 80-95 degrees, the hardness can be reduced to 60-70 degrees after modification, the thick paper rubbing wheel with high hardness is good in thick paper rubbing effect, and the thin paper rubbing effect is poor.

Polyester rubber material: the synthetic material which integrates the advantages of rubber and polyurethane materials has the advantages of high viscosity, strong affinity with paper, high paper twisting force and good paper pickup effect; the density is slightly less than that of polyurethane, but is far greater than that of rubber, and the surface is smooth and clean and is not sticky with dust or scales; the hardness is easy to be low and high, and the processing hardness range is 20-75 degrees; the wear resistance is slightly inferior to polyurethane, but is far greater than butadiene acrylonitrile rubber, the service life of the paper rolling wheel is longer, and the service life can reach about 100 ten thousand. Its disadvantages are poor water resistance, acid and alkali resistance, poor high-temp. performance and serious abrasion.

The utility model discloses an adopt the annular region of different materials, both can promote the wearability, can guarantee again for paper power, guarantee better paper effect and longer life of picking up, avoid using the application defect that single material rubber wheel caused.

Furthermore, the widths of the annular areas are consistent on the rubber wheel, and the joints between the adjacent annular areas are flat without gaps. The friction is comprehensively improved.

Furthermore, the surfaces of the annular areas are uneven concave-convex surfaces, and the convex surfaces are round convex points with the diameter of 0.5 mm to 3mm, so that the surface roughness is enhanced, and the friction force is improved.

Furthermore, the circular salient points are annularly and uniformly distributed on the annular areas. The friction force is distributed, and the paper picking effect is ensured.

Furthermore, the number of the annular areas is odd more than three, the adjacent annular areas are different in material, the annular areas symmetrically distributed on two sides of the middle position are same in material, symmetrical friction force contact areas are formed, and the paper picking effect is guaranteed.

Furthermore, the number of the annular areas is more than four, the number of the annular areas is even, the adjacent annular areas are different in material, the symmetrically distributed annular areas are same in material, symmetrical friction force contact areas are formed, and the paper picking effect is guaranteed.

The utility model relates to a pickup roller for going into formula printer to one side has following beneficial effect:

the utility model discloses an adopt the annular region of different materials, avoid local wear to use the restriction that causes to the rubber wheel, both can promote the wearability, can guarantee again for paper power, guarantee better paper effect and longer life of picking up, avoid using the application defect that single material rubber wheel caused. Moreover, the materials are common rubber roller materials, and the rubber roller is wide in source and low in cost.

Drawings

FIG. 1 is a schematic structural diagram of a paper pickup roller for a tilt-in printer according to the present invention (odd number of annular zones);

FIG. 2 is a schematic view of a structure of a paper feeding roller (an even number of annular zones) for an inclined printer according to the present invention;

the reference numbers in the drawings include: 100. a left drive rod; 200. a right drive rod; 300. A paper rolling wheel body; 301. a first annular region; 302. a second annular region; 303. a third annular region.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following provides a detailed description of the product of the present invention with reference to the embodiments and the accompanying drawings.

As shown in fig. 1 and 2, the utility model discloses a paper roller for oblique income formula printer, including left actuating lever 100, paper roller body 300, right actuating lever 200, paper roller body 300 sets up between left actuating lever 100 and right actuating lever 200, the paper roller body include with left actuating lever 100, right actuating lever 200 coaxial coupling's drive sleeve (not shown in the figure), drive sleeve surface cover is equipped with the rubber wheel that the surface is the rough surface, the rubber wheel includes a plurality of annular regions, a plurality of annular regions are the fine rubber annular region of butyl, the silicon rubber annular region, two kinds or more in polyurethane annular region and/or the polyurethane rubber annular region. The widths of the annular areas are consistent on the rubber wheel, and the joints between the adjacent annular areas are flat without gaps.

The utility model discloses in, the surface in a plurality of annular regions is the unsmooth face of unevenness, and the convex surface is the circular bump of diameter at 0.5 mm to 3 mm. The circular salient points are annularly and uniformly distributed on the annular areas.

As shown in fig. 1, the number of the annular regions is odd more than three, and is exemplified by 5 annular regions, the adjacent annular regions are different in material, and the annular regions symmetrically distributed on both sides of the middle position are the same in material. In fig. 1, the rubber wheel includes a first annular region 301, a second annular region 302 and a third annular region 303, wherein the first annular region 301, the second annular region 302 and the third annular region 303 are changed among a nitrile rubber annular region, a silicone rubber annular region, a polyurethane annular region and a polyurethane rubber annular region, and the first annular region 301 and the third annular region 303 may be made of the same or different materials. If the number of the ring-shaped regions is increased, the material of the ring-shaped regions can be set according to the above requirements.

As shown in fig. 2, the number of the annular regions is an even number of more than four, the adjacent annular regions are different in material, and the symmetrically distributed annular regions are the same in material. In fig. 2, the rubber wheel comprises a first annular area 301 and a second annular area 302, wherein the first annular area 301 and the second annular area 302 are changed among a nitrile rubber annular area, a silicon rubber annular area, a polyurethane annular area and a polyurethane rubber annular area, and the first annular area 301 and the third annular area 303 are different. If the number of the annular areas is increased to 6 or more, the material of the annular areas can be required to be arranged in the odd number of the annular areas. The material of the spaced annular regions may be the same or different in the left or right regions of symmetry of the rubber wheel.

In the description of the present invention, it is to be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above embodiments are only specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, many variations and modifications are possible without departing from the inventive concept, and such obvious alternatives fall within the scope of the invention.

Claims

1. The utility model provides a pickup roller for oblique income formula printer, includes left actuating lever, pickup roller body, right actuating lever, the pickup roller body sets up between left actuating lever and right actuating lever its characterized in that: the paper rubbing wheel body comprises a driving sleeve coaxially connected with a left driving rod and a right driving rod, a rubber wheel with a rough surface is sleeved on the surface of the driving sleeve, the rubber wheel comprises a plurality of annular areas, and the annular areas are two or more of a nitrile rubber annular area, a silicone rubber annular area, a polyurethane annular area and/or a polyurethane rubber annular area.

2. The feed roller for a drop-in printer of claim 1, wherein: the width of the annular areas is consistent on the rubber wheel, and the joints between the adjacent annular areas are flat and have no gap.

3. The feed roller for a slant entry printer according to claim 2, wherein: the surfaces of the annular areas are uneven concave-convex surfaces, and the convex surfaces are round convex points with the diameter of 0.5 mm to 3 mm.

4. The feed roller for a slant entry printer according to claim 3, wherein: the circular salient points are annularly and uniformly distributed on the annular areas.

5. The pickup roller for a drop-in printer according to any one of claims 1 to 4, wherein: the number of the annular areas is more than three and is odd, the adjacent annular areas are different in material, and the annular areas symmetrically distributed on two sides of the middle position are same in material.

6. The pickup roller for a drop-in printer according to any one of claims 1 to 4, wherein: the number of the annular areas is more than four, the number of the annular areas is even, the adjacent annular areas are different in material, and the symmetrically distributed annular areas are same in material.