CN209973817U - Body paper frame slider formula expansion chuck - Google Patents

Abstract

The utility model discloses a body paper frame slider formula inflation chuck, including base, block, the base contains the base body flange, is equipped with the cylinder platform on the base body flange, has a tube core at cylinder platform embedded, is equipped with a plurality of spouts on the tube core circumference, and the block contains bottom terrace with edges, and the block divide into wide-diameter portion and narrow footpath portion through a middle part terrace with edges, is equipped with the big recess of a plurality of on the wide-diameter portion lateral wall, is equipped with a plurality of little recess on the narrow footpath lateral wall, has inlayed big slider and little slider on every big recess and the little recess respectively. The utility model has the advantages as follows: the chuck is of an integrated structure of a chassis and a mandrel, so that the phenomenon of fracture and falling off is prevented; secondly, the chuck cap is designed in a double-diameter mode, is suitable for base paper with different specifications and apertures, and does not need to be frequently replaced; in addition, a sliding block base is arranged in the chuck, so that a good positioning effect is achieved on the sliding block on one hand, and the sliding block on the other hand is positioned on the other hand; the expansion and retraction of the slide block are controlled by the slide block base, so that the paper clamping and the paper withdrawing are more stable.

Description

Body paper frame slider formula expansion chuck

Technical Field

The utility model relates to a body paper chuck specifically is a body paper frame slider formula inflation chuck.

Background

The chuck is used as a workpiece for the transmission connection of a driving shaft and a paper core of a rewinding machine, in the using process, the defect that the paper core of the base paper and the inner paper are broken exists, so that the tail paper is difficult to use, secondly, the sliding block is seriously abraded and is easy to loosen due to the long-time rotation operation of the chuck, so that the relative rotation phenomenon is generated, in addition, the chuck bears the weight for a long time, the fatigue stress is generated, the phenomena that a mandrel is easy to break and the like exist, in addition, the existing chuck generally utilizes a reset spring to control the movement of a cover cap, the mode enables the paper clamping and the paper withdrawing to be unstable, the spring is easy to abrade and break, the frequent replacement is needed, the existing chuck is suitable for the pipe cores with single specification, and different pipe cores are realized by.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a body paper frame slider formula inflation chuck has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a body paper frame slider formula inflation chuck, the on-line screen storage device comprises a base, the block, the base contains the base body flange, be equipped with the cylinder platform on the base body flange, be equipped with a plurality of rectangle notches on the cylinder platform lateral wall, it has a tube core to embed at the cylinder platform, be equipped with a plurality of spouts on the tube core circumference, spout top-down is the form of gathering together, its tank bottom face intersects with tube core axis acute angle, and the spout is type structure, the bottom is equipped with the guide way, the block contains bottom arris platform, and the block divide into wide diameter portion and narrow diameter portion through a middle part arris platform, be equipped with a plurality of big recess on the wide diameter portion lateral wall, be equipped with a plurality of little recess on the narrow.

As an optimal implementation mode of the utility model, the rectangle notch is circumference equidistance along the cylinder platform axis and arranges, and the spout is circumference equidistance along the tube core axis and distributes, and the spout sets up with the rectangle notch relatively, and inlays the partial spout and the rectangle notch in the cylinder platform and communicate with each other.

As an optimized implementation manner of the utility model, the tube core middle part is equipped with a connecting hole, and the inside cavity of block, tube core inlay inside the block, and the big recess on the block, little recess and spout position are relative, are equipped with a conical surface at the block afterbody, are equipped with a perforation hole in the conical surface.

As a preferred embodiment of the present invention, the large slider and the small slider are of a fan-shaped structure, a plurality of fan-shaped grooves are formed on the outer fan-shaped surface of the large slider, a convex block is formed on the inner fan-shaped surface, and an outer convex clamping strip is formed at the bottom of the convex block.

As an optimized implementation manner of the utility model, every big slider all is fixed with the tube core through a slider base with little slider, and slider base bottom is an inclined plane, and the both sides of bottom are equipped with along the direction card strip of slider base axis symmetry, and the top is equipped with a draw-in groove.

As an optimized implementation manner of the utility model, the slider base is embedded in the spout, and the direction card strip is embedded in the guide way, and the evagination card strip is embedded in the draw-in groove.

Compared with the prior art, the beneficial effects of the utility model are as follows: the body paper frame sliding block type expansion chuck is of a structure with an integrated chassis and mandrel, has high strength and good bearing performance, avoids fatigue stress generated by long-term bearing of the chuck, and prevents the phenomenon of fracture and falling; secondly, the cap of the chuck is designed in a double-diameter mode, so that the contact area of the cap and the base paper is increased, the pressure applied to the base paper core cylinder is uniform, the unit pressure intensity is small, the paper core cannot be broken, and the cost is saved; in addition, the inside of the chuck is provided with a sliding block base, on one hand, the sliding block has a good positioning effect, and meanwhile, the direct friction between the sliding block and the mandrel is avoided, so that the service life of the sliding block is prolonged, and on the other hand; the movement of the chuck cap is controlled by the slide block base, so that paper clamping and paper withdrawing are more stable; and for the base paper core barrels with different specifications in a small range, the positions of the sliding block bases in the sliding grooves can be adjusted to adapt to different pipe diameters.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is an overall structure diagram of a body paper frame slide block type expansion chuck of the utility model;

fig. 2 is a schematic diagram of the overall explosion of the body paper frame sliding block type expansion chuck of the present invention;

fig. 3 is a front schematic view of a body paper frame sliding block type expansion chuck of the present invention;

fig. 4 is a schematic structural diagram of a base of a body paper frame sliding block type expansion chuck of the present invention;

FIG. 5 is a schematic side view of a portion of a large slider and a small slider of a body paper frame slider type expansion chuck according to the present invention;

fig. 6 is a schematic structural view of a slider base of a body paper frame slider type expansion chuck according to the present invention;

the reference numerals include: the structure comprises a base 1, a cap 2, a base body flange 3, a cylindrical table 4, a rectangular notch 5, a tube core 6, a sliding groove 7, a guide groove 8, a conical surface 9, a bottom prismatic table 10, a middle prismatic table 11, a wide-diameter part 12, a narrow-diameter part 13, a large groove 14, a small groove 15, a large slider 16, a small slider 17, a connecting hole 18, a through hole 19, a fan-shaped groove 20, a convex block 21, an outer convex clamping strip 22, a slider base 23, a guide clamping strip 24, a clamping groove 25 and a fixed mounting hole 26.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a body paper frame slider formula inflation chuck, which comprises a base 1, block 2, base 1 contains base flange 3, base flange 3 is cylindrically, be equipped with fixed mounting hole 26 on it, fixed mounting hole 26 is the circumference equidistance along 3 axis of base flange and arranges, be equipped with cylinder platform 4 on the base flange 3, be equipped with a plurality of rectangle notches 5 on the 4 lateral walls of cylinder platform, rectangle notch 5 is equipped with 3 at least, it has a tube core 6 to embed in cylinder platform 4, 6 parts of tube core expose outside cylinder platform 4, tube core 6 is integral forging structure with cylinder platform 4 and base flange 3, high strength, bearing capacity is good, stop the chuck and produce fatigue stress because of long-term bearing, make base flange 3 and tube core 6 produce the fracture. The die is characterized in that a plurality of sliding grooves 7 are formed in the circumferential surface of the die 6, the number of the sliding grooves 7 is consistent with that of the rectangular notches 5, the sliding grooves 7 are gathered from top to bottom, the bottom surfaces of the sliding grooves are intersected with the acute angle of the central axis of the die 6, the sliding grooves 7 are of a convex structure, a guide groove 8 is formed in the bottom of the sliding grooves, the cap 2 comprises a bottom terrace 10, the cap 2 is divided into a wide-diameter part 12 and a narrow-diameter part 13 through a middle terrace 11, the wide-diameter part 12 and the narrow-diameter part 13 form a step-shaped structure, a plurality of large grooves 14 are formed in the side wall of the wide-diameter part 12, a plurality of small grooves 15 are formed in the side wall of the narrow-diameter part 13, the large grooves 14 and the small grooves 15 are. By adopting the double-diameter type cover cap, the contact area between the chuck and the base paper can be increased, so that the stress of each part is uniform, the paper core is prevented from being broken, the waste rate of the tail paper is reduced, and the cost is greatly saved.

Rectangle notch 5 is circumference equidistance along 4 axis of cylinder platform and arranges, and spout 7 is circumference equidistance along 6 axis of tube core and distributes, and spout 7 sets up with rectangle notch 5 relatively, and inlays partial spout 7 and the rectangle notch 5 that inlay in cylinder platform 4 and communicate with each other. The middle part of the tube core 6 is provided with a connecting hole 18, the cap 2 is hollow, the tube core 6 is embedded in the cap 2, the large groove 14 on the cap 2, the small groove 15 is opposite to the sliding groove 7, the tail part of the cap 2 is provided with a conical surface 9, and the conical surface 9 is internally provided with a through hole 19.

The large sliding block 16 and the small sliding block 17 are of fan-shaped structures, a plurality of fan-shaped grooves 20 are formed in fan-shaped surfaces of the large sliding block and the small sliding block, locking force can be increased due to the design of the fan-shaped grooves 20, the phenomenon that a base paper core slides and falls off is prevented, on the other hand, the abrasion resistance of the sliding blocks is improved, abrasion of the sliding blocks is reduced, and the service life of the sliding blocks is prolonged. A convex block 21 is arranged on the sector surface of the inner side of the large slide block 16 and the small slide block 17, an outer convex clamping strip 22 is arranged at the bottom of the convex block 21, and a connecting hole is arranged inside the convex block 21.

Every big slider 16 all is fixed with tube core 6 through a slider base 23 with little slider 17, and slider base 23 bottom is an inclined plane, and this inclined plane cooperatees with the bottom surface of spout 7, and the both sides of slider base 3 bottom are equipped with along the direction card strip 24 of slider base 23 axis symmetry, and the top is equipped with a draw-in groove 25, is equipped with the mounting hole on the draw-in groove 25, and the mounting hole is connected with the connecting hole cooperation on the lug 21. The slider base 23 inlays in spout 7, and the direction card strip 24 inlays in the guide way 8, and outer protruding card strip 22 inlays in draw-in groove 25. The slider base 23 can be used for positioning the large slider 16 and the small slider 17 on one hand, so that the large slider 16, the small slider 17 and the tube core 6 can be tightly matched, looseness is prevented in the rotation process of the chuck, and the integral mechanical strength is improved; on the other hand, slider base 23 can be along spout 7 and slide in the slant, can be to the body paper core section of thick bamboo of different specifications, and the accessible is adjusted the position of slider base 23 in spout 7, satisfies different diameters, has improved work efficiency greatly, and simultaneously, this slider base 23 is under the operation of outside support, along with the exogenic action, drives big slider 16 and little slider 17 and outwards stretches out, and the big slider 16 and the little slider 17 that stretch out withstand the inner wall of body paper core section of thick bamboo, until pressing from both sides tightly. And the cap 6 moves in the same direction by utilizing the sliding block base 23, so that paper clamping and paper withdrawing are more stable, and the service life of the chuck is prolonged.

The working principle is as follows: fixing the chuck on a bracket, fixedly connecting fixed mounting holes 26 on a base body flange 3, moving the brackets at two ends to insert a front end conical surface 9 of a cover cap 2 into the inner wall of a base paper core cylinder, pushing a tube core 6 inwards to enable a slider base 23 to move outwards and obliquely upwards along a sliding groove 7, simultaneously driving a large slider 16 and a small slider 17 to move outwards by the slider base 23, enabling the large slider 16 and the small slider 17 to respectively extend outwards from a large groove 14 and a small groove 15, enabling the extended large slider 16 and the extended small slider 17 to prop against the inner wall of the base paper core cylinder, and clamping the base paper core cylinder under the action of external force; when the base paper needs to be taken down, the support is moved transversely, the tube core 6 gradually slides out of the inner wall of the base paper core cylinder under the action of external force and sliding below the inclined portion of the sliding block base 23, and meanwhile the sliding block base 23 drives the large sliding block 16 and the small sliding block 17 to contract inwards, so that the chuck loosens the base paper core cylinder.

The utility model has the advantages as follows: the body paper frame sliding block type expansion chuck is of a structure with an integrated chassis and mandrel, has high strength and good bearing performance, avoids fatigue stress generated by long-term bearing of the chuck, and prevents the phenomenon of fracture and falling; secondly, the cap of the chuck is designed in a double-diameter mode, so that the contact area of the cap and the base paper is increased, the pressure applied to the base paper core cylinder is uniform, the unit pressure intensity is small, the paper core cannot be broken, and the cost is saved; in addition, the inside of the chuck is provided with a sliding block base, on one hand, the sliding block has a good positioning effect, and meanwhile, the direct friction between the sliding block and the mandrel is avoided, so that the service life of the sliding block is prolonged, and on the other hand; the movement of the chuck cap is controlled by the slide block base, so that paper clamping and paper withdrawing are more stable; and for the base paper core barrels with different specifications in a small range, the positions of the sliding block bases in the sliding grooves can be adjusted to adapt to different pipe diameters.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed or operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise explicitly stated or limited. For example, "connected" may be a fixed connection, a removable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via media, or a communication 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.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a body paper frame slider formula expansion chuck, includes base (1), block (2), base (1) contains base body flange (3), its characterized in that: a cylindrical table (4) is arranged on the base flange (3), a plurality of rectangular notches (5) are arranged on the side wall of the cylindrical table (4), a tube core (6) is embedded in the cylindrical table (4), a plurality of sliding chutes (7) are arranged on the circumferential surface of the tube core (6), the sliding chutes (7) are gathered from top to bottom, the bottom surface of the groove is intersected with the acute angle of the central axis of the tube core (6), the sliding groove (7) is of a convex structure, the bottom of the sliding groove is provided with a guide groove (8), the cap (2) comprises a bottom prismatic table (10), and the cap (2) is divided into a wide-diameter part (12) and a narrow-diameter part (13) through a middle prismatic table (11), the wide-diameter part (12) is provided with a plurality of large grooves (14) on the side wall, the narrow-diameter part (13) is provided with a plurality of small grooves (15) on the side wall, and each large groove (14) and each small groove (15) are respectively embedded with a large sliding block (16) and a small sliding block (17).

2. The base paper frame sliding block type expansion chuck as claimed in claim 1, wherein: rectangle notch (5) are followed cylinder platform (4) axis is circumference equidistance and arranges, spout (7) are followed tube core (6) axis is circumference equidistance and distributes, spout (7) with rectangle notch (5) set up relatively, and inlay in the part in cylinder platform (4) spout (7) with rectangle notch (5) communicate with each other.

3. The base paper frame sliding block type expansion chuck as claimed in claim 2, wherein: the die is characterized in that a connecting hole (18) is formed in the middle of the die (6), the cap (2) is hollow, the die (6) is embedded in the cap (2), the large groove (14) and the small groove (15) in the cap (2) are opposite to the sliding groove (7), a conical surface (9) is arranged at the tail of the cap (2), and a through hole (19) is formed in the conical surface (9).

4. The base stock frame slider-type expansion cartridge of claim 3, wherein: the large sliding block (16) and the small sliding block (17) are of fan-shaped structures, a plurality of fan-shaped grooves (20) are formed in the fan-shaped surface of the outer side of the large sliding block, a convex block (21) is arranged on the fan-shaped surface of the inner side of the large sliding block, and an outer convex clamping strip (22) is arranged at the bottom of the convex block (21).

5. The base stock frame slider-type expansion cartridge of claim 4, wherein: each large sliding block (16) and each small sliding block (17) are fixed with the tube core (6) through a sliding block base (23), the bottom of each sliding block base (23) is an inclined plane, two sides of the bottom of each sliding block base are provided with guide clamping strips (24) which are symmetrical along the central axis of each sliding block base (23), and the top of each sliding block base is provided with a clamping groove (25).

6. The base stock frame slider-type expansion cartridge of claim 5, wherein: the sliding block base (23) is embedded in the sliding groove (7), the guide clamping strip (24) is embedded in the guide groove (8), and the outer convex clamping strip (22) is embedded in the clamping groove (25).

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