CN214827510U

CN214827510U - Paper feeding rubber roll with high wear resistance

Info

Publication number: CN214827510U
Application number: CN202120692347.2U
Authority: CN
Inventors: 夏玉洁; 张云芳; 耿西连; 王传敏; 梅泽洪; 毛庆峰
Original assignee: Anhui Zhongding Intelligent Technology Co ltd
Current assignee: Anhui Zhongding Intelligent Technology Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-11-23
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a paper feeding rubber roll with high wear resistance, which comprises a plastic framework and a rubber roll sleeve, wherein the rubber roll sleeve is fixedly sleeved outside the plastic framework, a splicing sleeve is arranged between the rubber roll sleeve and the plastic framework, the side outer surface of the rubber roll sleeve is provided with a plurality of groups of skewed tooth shading, the middle part of the inner side of the plastic framework is fixedly provided with a butt joint inner ring, a fixed supporting plate is arranged between the plastic framework and the butt joint inner ring, the middle part of the outer surface at one end of the plastic framework is fixedly provided with a first rotating rod, and the middle part of the outer surface at the other end of the plastic framework is fixedly provided with a second rotating rod; the utility model provides a high wearability's paper feeding rubber roll passes through the conventional straight-tooth structure of skewed tooth shading replacement, and the skewed tooth shape structure of skewed tooth shading has increased on the basis of conventional straight-tooth and has ground line direction function, can have better paper feeding effect to avoid this paper feeding rubber roll to appear out paper or card paper phenomenon, promote its result of use.

Description

Paper feeding rubber roll with high wear resistance

Technical Field

The utility model belongs to the technical field of the paper feeding rubber roll, specifically a paper feeding rubber roll of high wearability.

Background

With the development of office machine technology, the application of office automation is more and more extensive, a paper conveying component is one of important functional components of the office machine, a paper feeding roller is used for taking and carrying paper, and due to the improvement of the quality requirement of office equipment, in the current mainstream market, the phenomena of paper taking failure and paper jam can not occur in the paper conveying process, the printing capability can not meet the requirements of users, and the users have higher requirements on printer manufacturers.

The document CN104291134B discloses a paper feed roller, which has a 2-layer structure in which an inner layer is directly fitted into a cylinder of an outer layer without using an adhesive, and the 2-layer structure is excellent in various properties, and the outer layer is formed of a polyurethane thermoplastic elastomer, but the inner layer and the outer layer are less likely to idle. The inner layer is formed by rubber such as IIR, the outer layer is formed by polyurethane thermoplastic elastomer, the hardness of the A-type Duroc rebound hardness tester at the outer layer is set to be within the range of 40-65, compared with the utility model discloses, its result of use is relatively poor.

However, the existing high-wear-resistance paper feeding rubber roller has certain disadvantages when in use, and the traditional high-wear-resistance paper feeding rubber roller adopts a conventional straight tooth structure, so that the traditional paper feeding rubber roller is easy to show the phenomenon of paper failure or paper jam in the use process, and the use effect of the traditional paper feeding rubber roller is reduced; secondly traditional paper feeding rubber roll adopts integral type structural design, and when the damage phenomenon appeared in the paper feeding rubber roll, the user need dismantle the change operation to whole paper feeding rubber roll, has reduced the flexibility when the paper feeding rubber roll uses, brings certain inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the traditional high-wear-resistance paper feeding rubber roller adopts a conventional straight tooth structure, so that the traditional paper feeding rubber roller can not easily show the phenomenon of paper or paper jam in the use process, and the use effect of the traditional paper feeding rubber roller is reduced; secondly traditional paper feeding rubber roll adopts integral type structural design, and when the damage phenomenon appeared in the paper feeding rubber roll, the user need dismantle the change operation to whole paper feeding rubber roll, has reduced the problem of the flexibility when the paper feeding rubber roll uses, and provides a paper feeding rubber roll of high wearability.

The purpose of the utility model can be realized by the following technical scheme:

the paper feeding rubber roll with high wear resistance comprises a plastic framework and a rubber roll sleeve, wherein the rubber roll sleeve is fixedly sleeved on the outer side of the plastic framework, a splicing cutting sleeve is arranged between the rubber roller sleeve and the plastic framework, a plurality of groups of helical tooth shading are arranged on the outer surface of the side edge of the rubber roller sleeve, a butt joint inner ring is fixedly arranged at the middle position of the inner side of the plastic framework, a fixed supporting plate is arranged between the plastic framework and the butt joint inner ring, a first rotating rod is fixedly arranged in the middle of the outer surface of one end of the plastic framework, a second rotating rod is fixedly arranged in the middle of the outer surface of the other end of the plastic framework, a first limiting column is fixedly arranged on the outer surface of the side edge of the second rotating rod, a second limiting column is arranged on the outer surface of the side edge of the first rotating rod, all be provided with the location bayonet lock between plastic skeleton, rubber roller cover and the concatenation cutting ferrule, the rubber roller cover adopts EPDM rubber materials to make.

As a further technical scheme of the utility model, it is fixed all through butt joint inner ring butt joint between first bull stick, second bull stick and the plastics skeleton, and the thread groove has been seted up to the inboard of butt joint inner ring.

As a further technical scheme of the utility model, the quantity of fixed fagging is three groups, it is fixed that plastics skeleton and butt joint inner ring are through the butt joint of fixed fagging.

As a further technical scheme of the utility model, the overall structure of concatenation cutting ferrule is cylinder hollow structure, the butt joint draw-in groove has all been seted up at the both ends of concatenation cutting ferrule.

As a further technical scheme of the utility model, the quantity of location bayonet lock is four groups, and the both ends of location bayonet lock and concatenation cutting ferrule all connect through the butt joint draw-in groove.

As a further technical scheme of the utility model, the inside of plastic skeleton is hollow structure, plastic skeleton's cross section diameter is less than the cross section diameter of concatenation cutting ferrule.

The utility model has the advantages that: the rubber roller sleeve in the utility model is made of EPDM rubber material with better comprehensive performance on raw materials, the wear resistance of the rubber roller sleeve is increased, the friction coefficient of the rubber roller sleeve is improved, meanwhile, oblique tooth shading is independently designed on the structure of the rubber roller sleeve, the grinding process is reduced, the conventional straight tooth structure is replaced by the oblique tooth shading, the oblique tooth-shaped structure of the oblique tooth shading has the function of grinding grain-line direction on the basis of the conventional straight tooth, and the rubber roller sleeve has better effect, thereby avoiding the phenomenon that paper or paperboard can not appear on the paper feeding rubber roller and improving the use effect of the rubber roller;

through setting up the concatenation cutting ferrule, set up the concatenation cutting ferrule between rubber roller cover and plastic skeleton, when the rubber roller cover of this high wearability paper feeding rubber roll damaged the phenomenon, the user can be through taking off the location bayonet lock, take off the concatenation cutting ferrule from plastic skeleton, thereby change the operation to the rubber roller cover after damaging, utilize the setting of concatenation cutting ferrule, replace traditional integral type paper feeding rubber roll structure, convenient to use person changes the operation to the rubber roller cover of paper feeding rubber roll, reduce the maintenance cost of this paper feeding rubber roll, make it have combination formula fixed knot structure.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a plan view of the plastic frame of the present invention.

In the figure: 1. a first rotating lever; 2. splicing the clamp sleeves; 3. a second rotating rod; 4. a first limit post; 5. a rubber roller sleeve; 6. helical tooth shading; 7. a second limit post; 8. a plastic skeleton; 9. butting the inner rings; 10. fixing a supporting plate; 11. the bayonet is positioned.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in figures 1-3, a high-wear-resistance paper feeding rubber roll comprises a plastic framework 8 and a rubber roll sleeve 5, the rubber roll sleeve 5 is fixedly sleeved outside the plastic framework 8, a splicing clamping sleeve 2 is arranged between the rubber roll sleeve 5 and the plastic framework 8, a plurality of groups of skewed tooth shading 6 are arranged on the outer surface of the side edge of the rubber roll sleeve 5, a butt joint inner ring 9 is fixedly arranged at the middle position of the inner side of the plastic framework 8, a fixed supporting plate 10 is arranged between the plastic framework 8 and the butt joint inner ring 9, a first rotating rod 1 is fixedly arranged at the middle position of the outer surface of one end of the plastic framework 8, a second rotating rod 3 is fixedly arranged at the middle position of the outer surface of the other end of the plastic framework 8, a first limiting column 4 is fixedly arranged on the outer surface of the side edge of the second rotating rod 3, a second limiting column 7 is arranged on the outer surface of the side edge of the first rotating rod 1, and positioning clamping pins 11 are arranged between the plastic framework 8, the rubber roll sleeve 5 and the splicing clamping sleeve 2, the rubber roller sleeve 5 is made of EPDM rubber material.

All fixed through butt joint inner ring 9 butt joint between first bull stick 1, second bull stick 3 and the plastic skeleton 8, and the screw thread groove has been seted up to the inboard of butt joint inner ring 9.

The number of the fixed supporting plates 10 is three, the plastic framework 8 and the butt joint inner ring 9 are in butt joint fixation through the fixed supporting plates 10, and the fixed supporting plates 10 play a supporting role in installation of the butt joint inner ring 9.

The overall structure of the splicing cutting sleeve 2 is a cylindrical hollow structure, and the two ends of the splicing cutting sleeve 2 are provided with butt joint clamping grooves.

The quantity of location bayonet lock 11 is four groups, and the both ends of location bayonet lock 11 and concatenation cutting ferrule 2 all are connected through the butt joint draw-in groove, and location bayonet lock 11 plays spacing fixed action to the installation of rubber roller shell 5.

The inside of plastic skeleton 8 is hollow structure, and the cross section diameter of plastic skeleton 8 is less than the cross section diameter of concatenation cutting ferrule 2.

A high-abrasion-resistance paper feeding rubber roll, when using, the rubber roller sleeve 5 is made of EPDM rubber material with better comprehensive performance on raw materials, the abrasion resistance of the rubber roller sleeve 5 is increased, the friction coefficient of the rubber roller sleeve 5 is improved, meanwhile, the oblique tooth shading 6 is independently designed on the structure of the rubber roller sleeve 5, the grinding process is reduced, the conventional straight tooth structure is replaced by the oblique tooth shading 6, the oblique tooth structure of the oblique tooth shading 6 is added with the function of grinding grain direction on the basis of the conventional straight tooth, and a better paper feeding effect can be achieved, so that the phenomenon that paper or paper jam cannot be produced by the paper feeding rubber roll is avoided, and the using effect of the paper feeding rubber roll is improved;

through setting up concatenation cutting ferrule 2, set up concatenation cutting ferrule 2 between rubber roller housing 5 and plastic skeleton 8, when the phenomenon appears damaging in the rubber roller housing 5 of this high wearability paper feed rubber roll, the user can be through taking off location bayonet lock 11, take off concatenation cutting ferrule 2 from plastic skeleton 8, thereby change the operation to rubber roller housing 5 after damaging, utilize the setting of concatenation cutting ferrule 2, replace traditional integral type paper feed rubber roll structure, convenient to use person changes the operation to rubber roller housing 5 of paper feed rubber roll, reduce the maintenance cost of this paper feed rubber roll, make it have combination formula fixed knot and construct, high durability and convenient use.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The paper feeding rubber roll with high wear resistance is characterized by comprising a plastic framework (8) and a rubber roll sleeve (5), wherein the rubber roll sleeve (5) is fixedly sleeved on the outer side of the plastic framework (8), a splicing clamping sleeve (2) is arranged between the rubber roll sleeve (5) and the plastic framework (8), a plurality of groups of oblique tooth shading (6) are arranged on the outer surface of the side edge of the rubber roll sleeve (5), a butt joint inner ring (9) is fixedly arranged at the middle position of the inner side of the plastic framework (8), a fixed supporting plate (10) is arranged between the plastic framework (8) and the butt joint inner ring (9), a first rotating rod (1) is fixedly arranged at the middle position of the outer surface of one end of the plastic framework (8), a second rotating rod (3) is fixedly arranged at the middle position of the outer surface of the other end of the plastic framework (8), and a first limit column (4) is fixedly arranged on the outer surface of the side edge of the second rotating rod (3), the side surface of first bull stick (1) is provided with spacing post of second (7), all be provided with location bayonet lock (11) between plastic skeleton (8), rubber roller shell (5) and the concatenation cutting ferrule (2).

2. The high-wear-resistance paper feeding rubber roller according to claim 1, characterized in that the first rotating rod (1), the second rotating rod (3) and the plastic framework (8) are fixedly butted through a butted inner ring (9), and a thread groove is formed in the inner side of the butted inner ring (9).

3. The high-wear-resistance paper feeding rubber roller according to claim 1, wherein the number of the fixed supporting plates (10) is three, and the plastic framework (8) and the butt joint inner ring (9) are fixed in a butt joint mode through the fixed supporting plates (10).

4. The high-wear-resistance paper feeding rubber roller according to claim 1, characterized in that the integral structure of the splicing clamping sleeve (2) is a cylindrical hollow structure, and the two ends of the splicing clamping sleeve (2) are both provided with butt joint clamping grooves.

5. The high-wear-resistance paper feeding rubber roller according to claim 4, characterized in that the number of the positioning bayonet locks (11) is four, and the two ends of the positioning bayonet locks (11) and the splicing clamping sleeve (2) are connected through butt clamping grooves.

6. The high-wear-resistance paper feeding rubber roller according to claim 1, characterized in that the inside of the plastic skeleton (8) is of a hollow structure, and the diameter of the cross section of the plastic skeleton (8) is smaller than that of the splicing sleeve (2).