CN214827688U

CN214827688U - Anti paper feed roller that tears

Info

Publication number: CN214827688U
Application number: CN202120112340.9U
Authority: CN
Inventors: 赵洪森
Original assignee: Shanghai Chuangding Machinery Technology Co ltd
Current assignee: Shanghai Chuangding Machinery Technology Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-11-23
Anticipated expiration: 2031-01-15

Abstract

The utility model belongs to the field of rollers, in particular to a tear-resistant feed roller, which comprises a roller and a bracket, wherein two ends of a central shaft of the roller are rotatably arranged on corresponding mounting plates; the mounting plate is provided with a buffer mechanism of the roller wheel, and the bracket is provided with a limiting guide mechanism of the mounting plate; the two ends of the roller are provided with limiting rings which are sleeved outside the rubber sleeve, and the limiting rings can slide on the rubber sleeve. The utility model discloses utilize buffer spring's elasticity, when the intermittent type is opened and is stopped, cushion the atress of paper, can make the paper that pulls on the running roller remain stable tensioning state all the time, be difficult for tearing. The rubber sleeve is sleeved outside the roller and is in elastic contact with the paper, and the limiting rings sleeved outside the rubber sleeve can slide, so that the distance between the two limiting rings is adjusted, the paper winding machine is convenient to adapt to the winding of the paper with different sizes, and the application range is wide; and the limiting ring and the rubber sleeve are elastically abutted, and are moved by external force, so that the limiting ring is not easy to shift in the working process.

Description

Anti paper feed roller that tears

Technical Field

The utility model relates to a running roller field specifically is a tear-resistant transfer feed wheel.

Background

The paper feeding wheel is also called a paper rolling shaft, and the paper feeding wheel is commonly called as a rubber roller product in the product industry and is widely applied to various aspects of edition office equipment, printing, spinning, industrial mechanical equipment and the like; the paper feeding wheel is usually intermittently conveyed in the paper conveying process due to the requirement of a processing link, and in the process of starting and stopping the paper at each time, the paper is easy to loose and tension alternately, so that the continuous and stable tensioning state cannot be well kept, the paper is torn, and the production progress is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tear-resistant transfer reel to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tear-resistant paper feeding wheel comprises a roller wheel and supports arranged at two ends of the roller wheel, wherein mounting plates are respectively and vertically arranged at the same side of the two supports, a central shaft is arranged in the roller wheel, and two ends of the central shaft are rotatably mounted on the corresponding mounting plates; the mounting plate is provided with a buffer mechanism of a roller wheel, and the bracket is provided with a limiting guide mechanism of the mounting plate; the outside cladding one deck rubber sleeve of running roller, the running roller both ends are provided with the spacing ring of cover outside the rubber sleeve, and just spacing ring inner wall supports tightly each other with the rubber sleeve to can slide on the rubber sleeve.

Preferably, buffer gear includes guide bar and buffer spring, and the guide bar is fixed in the one end that the running roller was kept away from to the mounting panel, sets up the guiding hole that supplies the guide bar to pass on the support, and the guide bar end is worn out the guiding hole and is provided with spacing end, and buffer spring overlaps and establishes on the guide bar between spacing end and support.

Preferably, the limiting guide mechanism comprises a guide support plate vertically arranged on the support, the guide support plate is arranged below the mounting plate in parallel, a guide groove is formed in the top surface of the guide support plate, and a guide block embedded into the guide groove and sliding in the guide groove is arranged at the bottom of the mounting plate.

Preferably, at least two sliding grooves are formed in the side face of the rubber sleeve along the length direction of the rubber sleeve, sliding blocks embedded into the sliding grooves to slide are correspondingly arranged on the inner wall of the limiting ring, and the sliding blocks are elastically abutted to the inner wall of the sliding grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a buffer gear utilizes buffer spring's elasticity with running roller elastic mounting on the support, when the intermittent type is opened and is stopped, cushions the atress of paper, can make the last towed paper of running roller remain stable tensioning state all the time, is difficult for tearing.

The rubber sleeve is sleeved outside the roller and is in elastic contact with the paper to perform auxiliary buffering, and the limiting rings sleeved outside the rubber sleeve can slide, so that the distance between the two limiting rings is adjusted, the paper winding machine is convenient to adapt to the winding of the paper with different sizes, and the application range is wide; and the limiting ring and the rubber sleeve are elastically abutted, and are moved by external force, so that the limiting ring is not easy to shift in the working process.

Drawings

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

fig. 2 is a schematic structural diagram of the bracket of the present invention;

fig. 3 is a schematic view of the rubber sleeve and the limiting ring according to the present invention.

In the figure: 1. a roller; 2. a support; 3. mounting a plate; 4. a guide bar; 5. a guide hole; 6. a limiting end; 7. a buffer spring; 8. a guide support plate; 9. a guide groove; 10. a guide block; 11. a rubber sleeve; 12. a limiting ring; 13. a chute; 14. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a tear-resistant paper feeding wheel comprises a roller 1 and brackets 2 arranged at two ends of the roller 1, wherein one mounting plate 3 is respectively and vertically arranged at the same side of each of the two brackets 2, a central shaft is arranged in the roller 1, and two ends of the central shaft are rotatably arranged on the corresponding mounting plates 3; the mounting plate 3 is provided with a buffer mechanism of the roller 1, and the bracket 2 is provided with a limiting guide mechanism of the mounting plate 3; the outer portion of the roller 1 is coated with a layer of rubber sleeve 11, two ends of the roller 1 are provided with limiting rings 12 which are sleeved outside the rubber sleeve 11, and the inner walls of the limiting rings 12 are tightly abutted to the rubber sleeve 11 and can slide on the rubber sleeve 11.

Further, buffer gear includes guide bar 4 and buffer spring 7, and guide bar 4 fixes the one end of keeping away from running roller 1 at mounting panel 3, sets up the guiding hole 5 that supplies guide bar 4 to pass on the support 2, and guide bar 4 end is worn out guiding hole 5 and is provided with spacing end 6, and buffer spring 7 cover is established on guide bar 4 between spacing end 6 and support 2.

Furthermore, spacing guiding mechanism includes the direction extension board 8 of perpendicular setting on support 2, and direction extension board 8 parallel arrangement has seted up guide way 9 in mounting panel 3 below, and mounting panel 8 bottom is provided with embedding guide block 10 that slides in guide way 9.

Furthermore, at least two sliding grooves 13 are formed in the side face of the rubber sleeve 11 along the length direction of the rubber sleeve, sliding blocks 14 which are embedded into the sliding grooves 13 to slide are correspondingly arranged on the inner wall of the limiting ring 12, and the sliding blocks 14 are elastically abutted to the inner wall of the sliding grooves 13.

The working principle is as follows: when the device works, the whole device is fixed at a designated position through the bracket 2, paper is wound on the rubber sleeve 11 outside the roller 1, the distance between the two limiting rings 12 is adjusted according to the width of the paper so as to enable the paper to be matched with the width of the paper, the wound paper is limited by the limiting rings 12, and the stable state of the paper during traction unwinding (or winding) is ensured; the rubber sleeve 11 is in elastic contact with the paper to perform auxiliary buffering; and the limiting ring 12 and the rubber sleeve 11 are elastically abutted, and move by means of external force (manual pushing), so that the limiting ring is not easy to shift in the working process.

In the traction process of the roller wheel 1, the buffer spring 7 of the buffer mechanism is in a compression state, and the elasticity of the buffer spring 7 is utilized to buffer the stress of paper when the roller wheel is intermittently started and stopped, so that the paper which is dragged on the roller wheel 1 can always keep a stable tensioning state and is not easy to tear.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A tear-resistant paper feeding wheel comprises a roller (1) and supports (2) arranged at two ends of the roller (1), and is characterized in that one mounting plate (3) is respectively and vertically arranged at the same side of the two supports (2), a central shaft is arranged in the roller (1), and two ends of the central shaft are rotatably arranged on the corresponding mounting plates (3); a buffer mechanism of the roller (1) is arranged on the mounting plate (3), and a limiting guide mechanism of the mounting plate (3) is arranged on the bracket (2); the rubber sleeve (11) is coated on the outer portion of the roller (1), the limiting rings (12) sleeved on the outer portion of the rubber sleeve (11) are arranged at the two ends of the roller (1), the inner walls of the limiting rings (12) are tightly abutted to the rubber sleeve (11), and the roller can slide on the rubber sleeve (11).

2. A tear resistant paper feeding wheel according to claim 1, wherein: buffer gear includes guide bar (4) and buffer spring (7), and guide bar (4) are fixed and are kept away from the one end of running roller (1) in mounting panel (3), offer guiding hole (5) that supply guide bar (4) to pass on support (2), and guiding hole (5) are worn out and are provided with spacing end (6) to guide bar (4) end, and buffer spring (7) cover is established on guide bar (4) between spacing end (6) and support (2).

3. A tear resistant paper feeding wheel according to claim 1, wherein: the limiting guide mechanism comprises a guide support plate (8) vertically arranged on the support (2), the guide support plate (8) is arranged below the mounting plate (3) in parallel, a guide groove (9) is formed in the top surface of the guide support plate, and a guide block (10) embedded into the guide groove (9) and sliding is arranged at the bottom of the mounting plate (3).

4. A tear resistant paper feeding wheel according to claim 1, wherein: at least two sliding grooves (13) are formed in the side face of the rubber sleeve (11) along the length direction of the rubber sleeve, sliding blocks (14) which are embedded into the sliding grooves (13) to slide are correspondingly arranged on the inner wall of the limiting ring (12), and the sliding blocks (14) are elastically abutted against the inner wall of the sliding grooves (13).