CN214837794U

CN214837794U - High-precision mirror surface shaft

Info

Publication number: CN214837794U
Application number: CN202120707756.5U
Authority: CN
Inventors: 夏玉洁; 张云芳; 耿西连; 王传敏; 梅泽洪; 黄祖辉
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 high-precision mirror surface shaft, which comprises a shaft body, a shaft sleeve, a clamping seat, a rubber sleeve and a limiting seat, wherein the shaft sleeve is sleeved outside the shaft body, the shaft sleeve comprises an outer shaft sleeve and an inner shaft sleeve, the clamping seat is arranged at two ends of the shaft sleeve, the clamping seat comprises a clamping column, a limiting bolt and a mounting seat, a plurality of clamping columns are fixedly connected with one side of the mounting seat, a plurality of limiting clamping grooves are arranged on the peripheral side surface of the mounting seat, a limiting groove is arranged on the peripheral side surface of one end of the shaft body, a first groove is arranged on the end surface of one end of the shaft body, the other end of the shaft body is fixedly connected with one end of the limiting seat, each part can be quickly disassembled and stably installed, thereby ensuring that the maintenance time can be shortened during maintenance, the working efficiency is improved, the outer shaft sleeve is made of stainless steel, the surface is a mirror surface, the roughness is within Ra0.1, the bounce is within 0.03, the precision is higher, the deformation caused by the temperature change is smaller, thereby avoiding the occurrence of paper jam and ensuring that the parts have better deviation rectifying function.

Description

High-precision mirror surface shaft

Technical Field

The utility model belongs to the printing apparatus field, concretely relates to mirror surface axle of high accuracy.

Background

With the development of office machine technology, printers are also more and more widely applied, a paper conveying part is one of important functional components of the office machine, a mirror surface shaft is used for correcting and positioning paper, and due to the improvement of the quality requirement of office equipment, the printing capacity of the printer which is possibly inclined and jammed in the paper conveying process cannot meet the requirements of users in the mainstream market at present, and the users have higher requirements on printer manufacturers.

Traditional paper roll that restraines mainly comprises rubber roller shell and metal axis body, because the material of rubber roller shell is softer, and easy because the change of temperature takes place deformation, when printing, the phenomenon that the paper skidded can appear to because rubber shrink is undulant great, take place the paper easily and restrain the mutual card pause of paper roll, the paper produces the card paper phenomenon at the in-process of marcing promptly, thereby delays production, causes the loss.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mirror surface axle of high accuracy can solve current problem.

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

a high-precision mirror surface shaft comprises a shaft body, a shaft sleeve, a clamping seat, a rubber sleeve and a limiting seat, wherein the shaft sleeve is sleeved on the outer side of the shaft body and comprises an outer shaft sleeve and an inner shaft sleeve, the outer shaft sleeve is sleeved on the outer side of the inner shaft sleeve, the inner side surface of the inner shaft sleeve is in sliding connection with the outer side surface of the shaft body, the outer side surface of the inner shaft sleeve is fixedly connected with the inner side surface of the outer shaft sleeve, a plurality of clamping grooves are respectively formed in two ends of the inner shaft sleeve and are uniformly distributed in an annular array, clamping seats are arranged at two ends of the shaft sleeve and comprise clamping columns, limiting clamping bolts and mounting seats, the clamping columns are fixedly connected to one side of the mounting seats and are uniformly distributed in the annular array, the clamping columns and the clamping grooves are in one-to-one correspondence and are in sliding connection, the mounting seats are sleeved on two sides of the shaft body, the inner side surfaces of the mounting seats are both in sliding connection with the outer side surfaces of the shaft body, a plurality of first clamping bolt grooves are formed in the peripheral side surfaces of the mounting seats, the first clamping bolt groove runs through the inner side face and the outer side face of the mounting seat, an internal thread is formed in the groove wall of the first clamping bolt groove, a plurality of second clamping bolt grooves are formed in the peripheral side faces of two ends of the shaft body and are evenly distributed in an annular array, the second clamping bolt grooves are in one-to-one correspondence with the first clamping bolt grooves, the clamping seat is mounted on the shaft body through a plurality of limiting clamping bolts, the plurality of limiting clamping bolts are in one-to-one correspondence with the first clamping bolt grooves, each limiting clamping bolt is sequentially in threaded connection with the first clamping bolt grooves and the second clamping bolt grooves, and a rubber sleeve is sleeved on the outer side of the mounting seat.

Preferably, the side wall of the outer shaft sleeve is provided with a plurality of through grooves in a penetrating manner, and the through grooves are uniformly distributed in an annular array.

Preferably, a plurality of limiting clamping grooves are formed in the peripheral side face of the mounting seat, the cross section of each limiting clamping groove is in a right trapezoid shape, the size of a notch of each limiting clamping groove is smaller than that of the bottom of the groove, a plurality of limiting clamping strips are arranged on the inner side face of the rubber sleeve and correspond to the limiting clamping grooves one to one, the limiting clamping strips are abutted against the limiting clamping grooves, and a plurality of anti-skidding patterns are formed in the outer side face of the rubber sleeve.

Preferably, the peripheral side of axis body one end has seted up the spacing groove, and first recess has been seted up to the terminal surface of axis body one end, the other end of axis body and the one end fixed connection of spacing seat, and the second recess has been seted up to the other end of spacing seat.

Preferably, the cross-section of the first and second grooves is in the shape of regular polygon.

The utility model has the advantages that: firstly, a clamping seat is sleeved on a shaft body, a first clamping bolt groove on the clamping seat is aligned with a second clamping bolt groove on the shaft body, then a limit clamping bolt is respectively arranged on the corresponding first clamping bolt groove and the second clamping bolt groove, so that the clamping seat is fixed on the shaft body, then a shaft sleeve is sleeved on the shaft body, a clamping column on the clamping seat is butted with the clamping groove on the shaft sleeve, then another clamping seat is arranged at the other end of the shaft sleeve in the same way, so that the shaft sleeve is fixedly arranged on the shaft body, then a pair of rubber sleeves are respectively sleeved on the peripheral side surfaces of the corresponding mounting seats, and limit clamping strips on the inner sides of the rubber sleeves are butted with the limit clamping grooves, all parts can be quickly disassembled and stably installed, thereby ensuring that the maintenance time can be shortened during maintenance, the working efficiency is improved, the outer shaft sleeve is made of stainless steel, the surface is a mirror surface, the roughness is within Ra0.1, and the bounce is within 0.03, the precision is higher, and the deformation that results in by the temperature variation is littleer to avoid the card paper to take place, make the article possess the better function of rectifying.

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 side view of the shaft sleeve of the present invention;

fig. 3 is a schematic structural view of the card seat of the present invention;

FIG. 4 is a schematic structural view of one side end of the shaft body of the present invention;

FIG. 5 is a schematic view of a connection structure between one side end of the shaft body and the limiting seat of the present invention;

in the figure: 1. a shaft body; 2. an outer sleeve; 3. a card holder; 4. a rubber sleeve; 5. a limiting groove; 6. a limiting seat; 7. a through groove; 8. an inner sleeve; 9. a clamping groove; 10. a clamping column; 11. a first latch groove; 12. a limiting clamping bolt; 13. a mounting seat; 14. a limiting clamping groove; 15. a second latch groove; 16. a first groove; 17. a second groove.

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.

Referring to fig. 1-4, a high-precision mirror surface shaft comprises a shaft body 1, a shaft sleeve, a clamping seat 3, a rubber sleeve 4 and a limiting seat 6, wherein the shaft sleeve is sleeved on the outer side of the shaft body 1 and comprises an outer shaft sleeve 2 and an inner shaft sleeve 8, the outer shaft sleeve 2 is sleeved on the outer side of the inner shaft sleeve 8, the inner side surface of the inner shaft sleeve 8 is slidably connected with the outer side surface of the shaft body 1, the outer side surface of the inner shaft sleeve 8 is fixedly connected with the inner side surface of the outer shaft sleeve 2, a plurality of clamping grooves 9 are respectively formed in two ends of the inner shaft sleeve 8, the plurality of clamping grooves 9 are uniformly distributed in an annular array, the clamping seat 3 is mounted at two ends of the shaft sleeve and comprises clamping columns 10, limiting clamping bolts 12 and a mounting seat 13, the plurality of clamping columns 10 are fixedly connected to one side of the mounting seat 13, the plurality of clamping columns 10 are uniformly distributed in the annular array, the plurality of clamping columns 10 are in one-to-one correspondence with the clamping grooves 9 and are slidably connected, the pair of mounting seats 13 are sleeved on two sides of the shaft body 1, the inner side surfaces of the pair of mounting seats 13 are connected with the outer side surface of the shaft body 1 in a sliding manner, a plurality of first clamping bolt grooves 11 are formed in the peripheral side surface of the mounting seat 13, the first clamping bolt grooves 11 penetrate through the inner side surface and the outer side surface of the mounting seat 13, and the wall of the first latch groove 11 is provided with internal threads, the peripheral side surfaces of the two ends of the shaft body 1 are respectively provided with a plurality of second latch grooves 15, the plurality of second latch grooves 15 are uniformly distributed in an annular array, the second clamping bolt grooves 15 correspond to the first clamping bolt grooves 11 one by one, the clamping seat 3 is arranged on the shaft body 1 through a plurality of limiting clamping bolts 12, the limiting clamping bolts 12 correspond to the first clamping bolt grooves 11 one by one respectively, and each limit clamping bolt 12 is respectively and sequentially in threaded connection with the first clamping bolt groove 11 and the second clamping bolt groove 15, and the rubber sleeve 4 is sleeved on the outer side of the mounting seat 13.

A plurality of through grooves 7 are formed in the side wall of the outer shaft sleeve 2 in a penetrating mode, the through grooves 7 are evenly distributed in an annular array mode, and the outer shaft sleeve 2 is made of stainless steel.

A plurality of spacing draw-in grooves 14 have been seted up on the periphery side of mount pad 13, spacing draw-in groove 14 is transversal personally submits right trapezoid, the notch size of spacing draw-in groove 14 is less than its tank bottom size, rubber sleeve 4's medial surface is provided with a plurality of spacing card strips, a plurality of spacing card strip and 14 one-to-one of spacing draw-in groove, and spacing card strip and the mutual butt of spacing draw-in groove 14, a plurality of anti-skidding lines have been seted up to rubber sleeve 4's lateral surface.

The utility model discloses a spacing axle body, including axis body 1, spacing seat 6, first recess 16, second recess 17, first recess 16 has been seted up to the periphery side of 1 one end of axis body, the terminal surface of 1 one end of axis body, the other end of axis body 1 and the one end fixed connection of spacing seat 6, the other end of spacing seat 6 has been seted up.

The cross-section of the first groove 16 and the second groove 17 is in a regular polygon shape.

When the utility model is used, firstly, one clamping seat 3 is sleeved on the shaft body 1, the first clamping bolt groove 11 on the clamping seat 3 is aligned with the second clamping bolt groove 15 on the shaft body 1, then the limiting clamping bolt 12 is respectively arranged on the corresponding first clamping bolt groove 11 and the second clamping bolt groove 15, thereby the clamping seat 3 is fixed on the shaft body 1, then the shaft sleeve is sleeved on the shaft body 1, the clamping column 10 on the clamping seat 3 is butted with the clamping groove 9 on the shaft sleeve, then another clamping seat 3 is arranged at the other end of the shaft sleeve in the same way, thereby the shaft sleeve is fixedly arranged on the shaft body 1, then a pair of rubber sleeves 4 are respectively sleeved on the peripheral side surfaces of the corresponding mounting seats 13, and the limiting clamping strips at the inner sides of the rubber sleeves 4 are butted with the limiting clamping grooves 14, thereby the utility model is mounted completely, when in operation, the utility model is rapidly arranged on a printer through the first groove 16 and the second groove 17, promote the transmission efficiency of cassette 3 through rubber sleeve 4 to make the mirror surface axle more stable when rotating through spacing groove 5.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The high-precision mirror surface shaft is characterized by comprising a shaft body (1), a shaft sleeve, a clamping seat (3), a rubber sleeve (4) and a limiting seat (6), wherein the shaft sleeve is sleeved on the outer side of the shaft body (1), the shaft sleeve comprises an outer shaft sleeve (2) and an inner shaft sleeve (8), the outer shaft sleeve (2) is sleeved on the outer side of the inner shaft sleeve (8), the inner side surface of the inner shaft sleeve (8) is in sliding connection with the outer side surface of the shaft body (1), the outer side surface of the inner shaft sleeve (8) is fixedly connected with the inner side surface of the outer shaft sleeve (2), a plurality of clamping grooves (9) are respectively formed in two ends of the inner shaft sleeve (8), the plurality of clamping grooves (9) are uniformly distributed in an annular array, the clamping seat (3) is installed at two ends of the shaft sleeve, the clamping seat (3) comprises clamping columns (10), a limiting clamping bolt (12) and a mounting seat (13), the plurality of clamping columns (10) are fixedly connected to one side of the mounting seat (13), the clamping columns (10) are uniformly distributed in an annular array, the clamping columns (10) are in one-to-one correspondence with the clamping grooves (9) and are in sliding connection, the mounting seats (13) are sleeved on two sides of the shaft body (1), the inner side surfaces of the mounting seats (13) are in sliding connection with the outer side surface of the shaft body (1), the peripheral side surfaces of the mounting seats (13) are provided with a plurality of first clamping bolt grooves (11), the first clamping bolt grooves (11) penetrate through the inner side surface and the outer side surface of the mounting seats (13), internal threads are formed in the groove walls of the first clamping bolt grooves (11), the peripheral side surfaces of two ends of the shaft body (1) are provided with a plurality of second clamping bolt grooves (15), the second clamping bolt grooves (15) are uniformly distributed in an annular array, the second clamping bolt grooves (15) are in one-to-one correspondence with the first clamping bolt grooves (11), and the clamping seats (3) are mounted on the shaft body (1) through a plurality of limiting clamping bolts (12), the limiting clamping bolts (12) are in one-to-one correspondence with the first clamping bolt grooves (11), each limiting clamping bolt (12) is in threaded connection with the first clamping bolt groove (11) and the second clamping bolt groove (15) in sequence, and the rubber sleeve (4) is sleeved on the outer side of the mounting seat (13).

2. A high precision mirror shaft according to claim 1, wherein the side wall of the outer sleeve (2) has a plurality of through slots (7) formed therethrough, and the plurality of through slots (7) are uniformly distributed in an annular array.

3. The high-precision mirror surface shaft according to claim 1, wherein a plurality of limiting clamping grooves (14) are formed in the peripheral side surface of the mounting seat (13), the cross section of each limiting clamping groove (14) is in a right trapezoid shape, the size of a notch of each limiting clamping groove (14) is smaller than that of the bottom of each limiting clamping groove, a plurality of limiting clamping strips are arranged on the inner side surface of the rubber sleeve (4) and correspond to the limiting clamping grooves (14) one to one, the limiting clamping strips abut against the limiting clamping grooves (14), and a plurality of anti-skidding threads are formed in the outer side surface of the rubber sleeve (4).

4. The high-precision mirror shaft according to claim 1, wherein a limit groove (5) is formed in a peripheral side surface of one end of the shaft body (1), a first groove (16) is formed in an end surface of one end of the shaft body (1), the other end of the shaft body (1) is fixedly connected with one end of the limit seat (6), and a second groove (17) is formed in the other end of the limit seat (6).

5. A high precision mirror axis according to claim 4 characterized in that the cross section of the first groove (16) and the second groove (17) is in the shape of regular polygon.