CN212608365U

CN212608365U - Shaftless paper frame paper ejection mechanism

Info

Publication number: CN212608365U
Application number: CN202021286638.3U
Authority: CN
Inventors: 鲁东
Original assignee: Hebei Lincheng Packaging Machinery Manufacturing Co ltd
Current assignee: Hebei Lincheng Packaging Machinery Manufacturing Co ltd
Priority date: 2020-07-04
Filing date: 2020-07-04
Publication date: 2021-02-26
Anticipated expiration: 2030-07-04

Abstract

The utility model discloses a shaftless paper holder paper-ejecting mechanism, which comprises an ejecting shaft arranged on a paper holder support arm, wherein a plurality of layers of reducing sleeves are movably sleeved on the ejecting shaft, and a bearing disc is arranged at the inner side of the support arm; the utility model discloses the reducing cover is established to mobilizable cover on the apical axis, can change the axle footpath of apical axis according to the internal diameter of different paper blank reel barrel cores, reduces the footpath between apical axis and the barrel core poor to improve paper blank reel pivoted stability.

Description

Shaftless paper frame paper ejection mechanism

Technical Field

The utility model relates to a corrugated paper production facility technical field especially relates to a shaftless paper frame pushes up paper mechanism.

Background

The shaftless paper frame is a device for supporting a paper blank reel in the production process of corrugated paper, the paper blank reel is moved to the position of the shaftless paper frame, the paper ejection mechanisms move oppositely to eject the axes of two sides of the paper blank reel, so that the paper blank reel is fixed, the paper ejection mechanisms rotate together with the paper blank reel to realize continuous paper ejection action, when the shaftless paper frame is used for fixing roll paper, a paper ejection head needs to enter the reel core, and then the reel core is ejected by utilizing a bearing disc, so that the paper blank reel can be fixed between mounting seats at two sides.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to avoid prior art's weak point, provide a shaftless paper frame pushes up paper mechanism to effectively solve the weak point that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a shaftless paper holder paper ejecting mechanism comprises an ejecting shaft arranged on a paper holder supporting arm, wherein a plurality of layers of reducing sleeves are movably sleeved on the ejecting shaft, and a bearing disc is arranged on the inner side of the supporting arm.

Furthermore, the length of the diameter-changing sleeve is not less than the distance from the rear side of the support arm to the front end of the jacking shaft.

Furthermore, a plurality of axial grooves are formed in the front end of the reducing sleeve along the circumferential direction, radial grooves are formed in the axial grooves along the axial axis, ejector racks are movably connected to the axial grooves through springs, clamping racks are movably arranged in the radial grooves, clamping grooves are formed in the reducing sleeve and matched with the clamping racks in the outer side of the ejector shaft, and gears matched with the ejector racks and the clamping racks are arranged in the axial grooves.

Furthermore, the rear end of the reducing sleeve is provided with a spring which tends to force the reducing sleeve to move forwards, and the rear end of the outermost reducing sleeve is provided with a check ring matched with the spring.

Furthermore, the diameter-changing sleeves and the jacking shaft are matched through keys.

The above technical scheme of the utility model following beneficial effect has: the utility model discloses the reducing cover is established to mobilizable cover on the apical axis, can change the axle footpath of apical axis according to the internal diameter of different paper blank reel barrel cores, reduces the footpath between apical axis and the barrel core poor to improve paper blank reel pivoted stability.

Drawings

Fig. 1 is a schematic top view of a shaftless paper rack according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a paper ejection mechanism according to an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a schematic end view of a top shaft according to an embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the paper pushing mechanism of the shaftless paper holder in this embodiment includes a pushing shaft 2 disposed on a supporting arm 1 of the paper holder, a plurality of layers of reducing sleeves 3 are movably sleeved on the pushing shaft 2, and a bearing disc 4 is disposed on the inner side of the supporting arm 1, when in use, the driving device of the paper holder drives the supporting arm 1 to move so that the pushing shaft 2 moves towards a paper blank winding drum, the reducing sleeve 3 larger than the inner diameter of the winding drum core is pushed backwards by the winding drum core, and the reducing sleeve 3 smaller than the inner diameter of the winding drum core moves along with the pushing shaft 2 until the bearing disc 4 is pushed against the side of the winding drum core, and the reducing sleeve 3 can reduce the diameter difference between the pushing shaft 2 and the winding drum core, thereby improving the stability of the.

Preferably, the length of the reducing sleeve 3 is not less than the distance from the rear side of the support arm 1 to the front end of the top shaft 2.

Preferably, the front end of the reducing sleeve 3 is circumferentially provided with a plurality of axial grooves 3a, radial grooves 3b are formed in the axial grooves 3a along the axial line, a top rack 31 is movably connected in each axial groove 3a through a spring, a clamping rack 32 (the top rack 31 and the clamping rack 32 are arranged in a staggered manner) is movably arranged in each radial groove 3b, clamping grooves 3c are formed in the reducing sleeve 3 and the outer side of the top shaft 2 in a matched mode, the clamping racks 32 are both provided with clamping grooves 3c, and a gear 33 matched with the top rack 31 and the clamping rack 32 is arranged in each axial groove 3 a; in the non-contact part of the cylinder core, the spring drives the top rack 31 to extend outwards, the top rack 31 drives the clamping rack 32 to extend outwards through the gear 33 and is clamped into the clamping groove 3c, and the reducing sleeve 3 and the top shaft 2 are prevented from moving relatively; when the paper is fed, the cylinder core pushes out the large reducing sleeve 3, the pushing rack 31 is pushed inwards, the pushing rack 31 drives the clamping rack 32 to move inwards through the gear 33, and the clamping rack is separated from the clamping groove 3c, so that the reducing sleeve 3 can be pushed back.

Preferably, the rear end of the reducing sleeve 3 is provided with a spring 5 tending to force the reducing sleeve 3 to move forwards, the rear end of the outermost reducing sleeve 3 is provided with a retaining ring 34 in cooperation with the spring 5, when the cylinder core is separated, the spring 5 abuts against the retaining ring 34, the reducing sleeve 3 can be driven to move forwards until the retaining ring 34 is retained at the rear side of the support arm 1, and the front end of the reducing sleeve 3 is aligned with the front end of the top shaft 2.

Preferably, the reducing sleeves 3 and the top shaft 2 can be matched through keys (not shown in the figure), so that mutual rotation can be prevented, and the stress of the clamping rack 32 can be reduced.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a shaftless paper frame pushes up paper mechanism which characterized in that: the paper frame comprises a top shaft arranged on a paper frame support arm, wherein a plurality of layers of reducing sleeves are movably sleeved on the top shaft, and a bearing disc is arranged on the inner side of the support arm.

2. The shaftless paper holder paper-ejecting mechanism according to claim 1, wherein: the length of the reducing sleeve is not less than the distance from the rear side of the support arm to the front end of the jacking shaft.

3. The shaftless paper holder paper-ejecting mechanism according to claim 1, wherein: a plurality of axial grooves are formed in the front end of the reducing sleeve along the circumferential direction, radial grooves are formed in the axial grooves along the axial axis, ejector racks are movably connected in the axial grooves through springs, clamping racks are movably arranged in the radial grooves, clamping grooves are formed in the reducing sleeve and the ejector shaft in a matched mode, and gears matched with the ejector racks and the clamping racks are arranged in the axial grooves.

4. The shaftless paper holder paper-ejecting mechanism according to claim 1, wherein: the rear end of the reducing sleeve is provided with a spring tending to force the reducing sleeve to move forwards, and the rear end of the outermost reducing sleeve is provided with a check ring matched with the spring.

5. The shaftless paper holder paper-ejecting mechanism according to claim 1, wherein: the reducing sleeves are matched with each other and the reducing sleeves and the jacking shaft through keys.