CN213802367U - Copper strips is around paper tinsel with quick detachable mandrel - Google Patents

Abstract

The utility model provides a copper strips is fast can dismantle mandrel for tinsel winding, including two mandrels, positioning pressure plate and tapering round pin, the shape of mandrel is semi-circular, two the mandrel symmetry sets up, two the straight line end of mandrel is put side by side and the clearance sets up, two adjacent mounting groove constitution one installation position on the mandrel, positioning pressure plate embedded installation is in the installation position, the tapering round pin inserts second pinhole on the positioning pressure plate and the first pinhole on the mandrel can be with two mandrel fixed connection positioning pressure plate and two mandrels fixed connection, through the parallel arrangement of two symmetrical semi-circular mandrels, 6mm apart as the adjustment clearance, the mandrel terminal surface is fixed a position with positioning pressure plate and tapering round pin, the tapering round pin can be dismantled from positioning pressure plate very conveniently, makes the external diameter of two mandrels and the O type copper strips inner circle of tinsel winding produce the clearance, and then both can separate rapidly, compared with the traditional integral core mold, the integral core mold greatly reduces the labor intensity of workers and improves the production efficiency.

Description

Copper strips is around paper tinsel with quick detachable mandrel

Technical Field

The utility model relates to a O type copper strips manufacturing field especially relates to a copper strips is around paper tinsel with dismantling mandrel fast.

Background

The conventional copper strip foil winding core mold is mainly made of a wood core mold or a steel core mold, and the wood core mold is light in weight, poor in wear resistance and large in core mold loss; the steel core die has good wear resistance, but heavier weight and high labor intensity during operation of workers. After the conventional core die is wound with foil, because the tension of the copper strip is large in the foil winding process, and the friction resistance between the copper strip and the core die is correspondingly large, the O-shaped copper strip wound with foil is difficult to separate from the core die, and wastes time and labor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that conventional mandrel is by around the paper tinsel after, because the copper strips is great at the in-process tensile force of around the paper tinsel, the friction resistance between copper strips and the mandrel is also corresponding bigger, consequently by O type copper strips behind the paper tinsel with the mandrel separation is fairly difficult, waste time and energy, the utility model provides a copper strips is around the paper tinsel with dismantling the mandrel fast and solve above-mentioned problem.

The utility model provides a technical scheme that its technical problem adopted is: a fast detachable core mould for copper strip foil winding comprises a core mould, a positioning pressing plate and a taper pin, wherein the core mould is semicircular in shape, the upper end surface and the lower end surface of the core mould are both provided with inwards concave mounting grooves, the opening directions of the mounting grooves are arranged towards the linear end of the core mould, the bottom of the mounting groove is provided with a first pin hole penetrating through the core moulds, the number of the core moulds is two, the two core moulds are symmetrically arranged, the straight line ends of the two core moulds are arranged in parallel and are arranged with gaps, the adjacent mounting grooves on the two core moulds form a mounting position, the positioning pressure plate is embedded in the installation position and is provided with a second pin hole corresponding to the first pin hole, the taper pin is inserted into the second pin hole and the first pin hole to fixedly connect the positioning pressure plate with the two core moulds.

Further: the bottom of one mounting groove is provided with two first pin holes.

Further: the number of the installation positions and the number of the positioning pressing plates are four.

Further: the end face of the core mold is also provided with a plurality of through holes which are distributed along the circumferential direction.

The beneficial effects of the utility model are that, the utility model discloses copper strips are around paper tinsel with dismantling the mandrel fast and change traditional whole mandrel into the semi-circular mandrel of two symmetries, two mandrels are put side by side, 6mm as the adjustment clearance apart between two moulds, two symmetry mandrel terminal surfaces are fixed a position with location clamp plate and tapering round pin, the tapering round pin can be very conveniently dismantled from location clamp plate, make the external diameter of two mandrels and produce the clearance between the O type copper strips inner circle of paper tinsel, and then both can separate rapidly, compare with traditional whole mandrel, workman's intensity of labour has been alleviateed greatly, productivity ratio has been improved.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural view of a rapidly detachable core mold for copper strip winding according to the present invention;

fig. 2 is a schematic view of a semicircular core mold;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

fig. 4 is a sectional view of B-B in fig. 1.

In the figure, the die core 1, the die core 2, the positioning pressure plate 3, the mounting groove 4, the first pin hole 5, the second pin hole 6 and the through hole are arranged.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like 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, 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. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present invention includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.

As shown in fig. 1, 2, 3 and 4, the utility model provides a copper strips is around quick detachable core mould for paper tinsel, including core mould 1, positioning pressure plate 2 and tapering round pin, the shape of core mould 1 is semi-circular, all be equipped with the mounting groove 3 of indent on the up end of core mould 1 and the lower terminal surface, the opening direction of mounting groove 3 sets up towards the sharp end of core mould 1, the mounting groove 3 bottom is equipped with the first pinhole 4 that runs through the core mould 1, the quantity of core mould 1 is two, two the core mould 1 symmetry sets up, two the sharp end of core mould 1 is put side by side and the clearance sets up, two adjacent mounting groove 3 on the core mould 1 constitutes a mounting position, positioning pressure plate 2 is embedded to be installed in the mounting position, positioning pressure plate 2 is equipped with the second pinhole 5 corresponding to the position of first pinhole 4, the taper pin is inserted into the second pin hole 5 and the first pin hole 4, so that the positioning pressure plate 2 can be fixedly connected with the two core dies 1.

The traditional integral core die is changed into two symmetrical semicircular core dies 1, the two core dies 1 are placed in parallel, the distance between the two dies is 6mm to serve as an adjusting gap, the end faces of the two symmetrical core dies 1 are positioned by a positioning pressing plate 2 and a taper pin, and the taper pin can be conveniently detached from the positioning pressing plate 2, so that a gap is formed between the outer diameter of the two core dies 1 and an O-shaped copper strip inner ring of a wound foil, and the two core dies can be rapidly separated.

The bottom of one mounting groove 3 is provided with two first pin holes 4. The number of the installation positions and the number of the positioning pressing plates 2 are four. Every 3 bottoms in mounting groove all are equipped with two first pinholes 4, and the quantity of installation position and holding plate 2 is four, can improve fixed effect, avoids mandrel 1 to play the position at the coiling paper tinsel in-process and influences the machining precision.

The end face of the core mold 1 is also provided with a plurality of through holes 6, and the through holes 6 are distributed along the circumferential direction. The semicircular core mould 1 adopts a web structure in structure, and meanwhile, the arrangement of the through holes 6 not only ensures the strength of the core mould 1, but also greatly reduces the weight of the mould body.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (4)

1. The utility model provides a copper strips is around paper tinsel with quick detachable core mould, includes core mould (1), positioning pressure plate (2) and tapering round pin, its characterized in that: the shape of mandrel (1) is semi-circular, all be equipped with mounting groove (3) of indent on the up end of mandrel (1) and the lower terminal surface, the opening direction court of mounting groove (3) the sharp end setting of mandrel (1), mounting groove (3) bottom is equipped with and runs through first pinhole (4) of mandrel (1), the quantity of mandrel (1) is two, two mandrel (1) symmetry sets up, two the straight line end of mandrel (1) is put side by side and the clearance sets up, two an installation position is constituteed to adjacent mounting groove (3) on mandrel (1), positioning plate (2) embedded installation in the installation position, be equipped with on positioning plate (2) with second pinhole (5) that the position of first pinhole (4) is corresponding, the tapering round pin inserts can with in second pinhole (5) and the first pinhole (4) positioning plate (2) and two mandrel (1) fixed connection .

2. The rapidly detachable mandrel for copper strip wrapping according to claim 1, wherein: the bottom of one mounting groove (3) is provided with two first pin holes (4).

3. The rapidly detachable mandrel for copper strip wrapping according to claim 1, wherein: the number of the mounting positions and the number of the positioning pressing plates (2) are four.

4. The rapidly detachable mandrel for copper strip wrapping according to claim 1, wherein: the end face of the core mold (1) is also provided with a plurality of through holes (6), and the through holes (6) are distributed along the circumferential direction.

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