CN219567175U - Paper spool and 3D printing consumable wire coil - Google Patents

Abstract

The utility model provides a paper spool and a 3D printing consumable wire coil assembled by the spool, wherein the spool is reinforced, so that the service life of the wire coil is prolonged, and a loosening frame is not easy to loosen. The technical scheme of the utility model is as follows: the utility model provides a paper spool, it includes the strengthening ring of a central section of thick bamboo and two, and a central section of thick bamboo includes the multilayer structure who forms by the coiled material winding, and is provided with first adhesion layer between layer and the layer, and the strengthening ring is provided with the second adhesion layer including a plurality of layers plane scraps of paper of range upon range of between the adjacent plane scraps of paper, is provided with the third adhesion layer between the medial surface of the tip of the outer lane of strengthening ring and a central section of thick bamboo. The central cylinder and the reinforcing ring are of multilayer combined structures, are tightly connected layer by layer, are thickened and reinforced, and can be firmly bonded by utilizing the third bonding layer, so that the hardness intensity of the whole winding shaft is greatly improved, and the winding shaft is not easy to loosen and break down in the use process. The utility model relates to the technical field of 3D printing consumable wire reels.

Description

Paper spool and 3D printing consumable wire coil

Technical Field

The utility model relates to the technical field of 3D printing consumable wire reels, in particular to a paper spool and a 3D printing consumable wire reel.

Background

At present, 3D printing consumables are made of fine line materials and are required to be stored through a wire spool; most wire reels are plastic reels and wood reels, the defects of the wire reels are not favorable for environmental protection, and the weight is heavy and the transportation cost is high, so manufacturers design the wire reels made of degradable paper materials, the wire reels are degradable, so the wire reels are environment-friendly, the weight is light, and the transportation cost can be reduced; the degradable paper wire spool mainly comprises discs on two sides and a wire spool in the middle, wherein the wire spool has a connecting effect, and the application number is as follows: CN200620070003.3, filing date: 2006-03-06 discloses a wedge type paper drum, and this consumptive material dish can be made with paper, mainly includes disc, branch pipe (i.e. spool), reinforcing disc, because the branch pipe is the tube-shape, and cross-sectional area is less, so directly bonds the branch pipe on the disc and take place the infirm condition of bonding easily, so consolidate the bonding effect through the reinforcing disc between disc and the branch pipe, wherein, because disc, branch pipe and reinforcing disc are paper, so not enough hardness, in the use, whole drum is easy to loosen and break up the frame.

Disclosure of Invention

In order to solve the defects in the prior art, one aspect of the utility model provides a paper spool, and the other aspect of the utility model provides a 3D printing consumable wire coil assembled by the spool, wherein the spool is reinforced, so that the service life of the wire coil is prolonged, and a loose frame is not easy to loosen.

The technical problems to be solved by the utility model are realized by the following technical means: an aspect of the present utility model provides a paper spool, including a central cylinder and two reinforcing rings disposed at two ends of an inner portion of the central cylinder, the central cylinder including a multi-layer structure formed by winding a coil, a first adhesive layer being disposed between layers, the reinforcing rings including a plurality of stacked planar paper sheets, a second adhesive layer being disposed between adjacent planar paper sheets, and a third adhesive layer being disposed between an outer ring of the reinforcing rings and an inner side surface of an end portion of the central cylinder.

In the scheme, the central cylinder and the reinforcing ring are of multilayer combined structures, each layer of the central cylinder and the reinforcing ring is adhered by the aid of the first adhesive layer and the second adhesive layer respectively, the central cylinder and the reinforcing ring are tightly connected layer by layer and are thickened and reinforced, the central cylinder and the reinforcing ring can be firmly adhered by the aid of the third adhesive layer, the hardness intensity of the whole winding shaft is greatly improved, and the winding shaft is not easy to loosen and collapse in the use process.

In one embodiment, the first, second and third adhesive layers are all paper tube glue coatings.

In the scheme, the paper tube glue is a special adhesive for manufacturing various paper tubes, paper barrels, paper cans and related paper products; the paper tube is coated on the two adhered surfaces, the whole contact surface is required to be coated with the paper tube adhesive, and at least one glue layer is formed.

In one embodiment, both ends of the central cylinder are provided with rectangular wire passing cuts.

In the above-described aspect, the wire passing slit designed on the center barrel is used for inserting the wire end of the printing consumable into the wire passing slit as an initial portion of the wire for wire coiling on the wire coil, that is, the wire is coiled from the wire passing slit; the width of the wire passing notch is smaller, the wire can be inclined by a small angle, when the wire head of the wire is inserted into the wire passing notch and wound, the wire can form certain bending and is clamped at the wire passing notch, and the wire passing notch can provide certain limiting effect for the wire head, so that the wire head is prevented from being separated from the wire passing notch when the wire is wound just before.

In an embodiment, the reinforcing ring is provided with a wire passing groove corresponding to the wire passing notch, the wire passing groove penetrates through the inner side and the outer side of the reinforcing ring, the wire passing groove is of a structure which is narrower near the outer ring of the reinforcing ring and wider near the inner ring of the reinforcing ring, the reinforcing ring can be installed in the central cylinder by means of an auxiliary tool, the auxiliary tool comprises a disc with a sliding groove in the middle, a connecting block, a handle and a pushing block, the connecting block is arranged in the sliding groove in a sliding manner, the handle is connected with one end of the connecting block, the pushing block is connected with the other end of the connecting block, the pushing block is matched with the wire passing groove, and a connecting line between the central point of the wire passing groove and the center of the reinforcing ring is parallel to a central line of the length direction of the sliding groove.

In the above scheme, if the reinforcing ring is not provided with the wire passing groove, when the wire of the printing consumable penetrates the wire passing notch to serve as an initial part of winding, the reinforcing ring is embedded in the middle of the central cylinder, so that the reinforcing ring can block the wire passing notch, the outer side end of the wire passing notch is blocked, and the wire cannot be well wound from the edge of the outer surface of the central cylinder when the wire penetrates the wire passing notch to serve as the initial part of winding. Therefore, a wire passing notch, namely a wire passing groove, is also designed for the reinforcing ring, so that the initial part of the wire for winding can directly come to the most edge position of the central cylinder, and the winding effect is better. On the other hand, auxiliary fixtures is used for assisting the installation to the stiffening ring specially, when carrying out the installation with the stiffening ring into the central section of thick bamboo, promotes the handle and makes the ejector pad extrude the wire casing for the stiffening ring is hugged closely the inside of central section of thick bamboo and is finally realized pasting tightly and adhere, and after the stiffening ring installation, need take away auxiliary fixtures, when using auxiliary fixtures to install, the stiffening ring can guarantee the lateral surface parallel and level of stiffening ring and the lateral surface of central section of thick bamboo better.

In one embodiment, the two end portions of the inside of the central cylinder are provided with cutting marks, and two reinforcing rings are arranged at the cutting marks.

In the scheme, glue can be coated on the outer ring of the reinforcing ring and the cutting mark of the inner end part of the central cylinder, the reinforcing ring and the central cylinder are bonded and fixed by the glue, the reinforcing ring can be fixed by bonding the glue, the cutting mark can be designed on the inner side of the central cylinder to increase the gluing area between the outer ring of the reinforcing ring and the inner ring of the central cylinder, so that better gluing effect can be achieved, and the reinforcing ring is prevented from being unstable.

In one embodiment, the outer ring array of the central cylinder is provided with a number of lightening holes.

In the above scheme, the central cylinder is formed by rolling at least one layer of base paper into a strip-shaped paper cylinder through rotation and then cutting the strip-shaped paper cylinder, so that the weight reducing holes are designed in advance on the base paper, the base paper cylinder forms a structural form that the weight reducing holes are formed on the surface of the central cylinder after the base paper cylinder grows into the strip-shaped paper cylinder, and the weight reducing holes are designed to enable the central cylinder, namely the winding shaft of the wire coil, to reduce the weight, thereby reducing the freight.

The utility model further provides a 3D printing consumable wire coil which comprises two limit plates and the paper spool, wherein a central hole is formed in the middle of each limit plate, the aperture of each central hole is identical to that of an inner hole of the reinforcing ring, the paper spool is adhered between the two limit plates, and the central hole is aligned with the inner hole of the reinforcing ring.

In one embodiment, the limiting plate is provided with a plurality of weight-reducing slot holes in a circumferential array.

In the scheme, the weight-reducing slot hole is designed to reduce the weight of the wire coil, so that the freight cost is reduced.

Drawings

FIG. 1 is a schematic illustration of the structure of a central drum in one embodiment as it is rolled into a long strip-like structure;

FIG. 2 is a schematic structural view of a spool in one embodiment;

FIG. 3 is a schematic illustration of the fit of a spool and auxiliary tooling in one embodiment;

FIG. 4 is a mating schematic of a wire end of a printing consumable in one embodiment inserted into and mated with a wire through-cut;

fig. 5 is an exploded schematic view of a 3D printing consumable spool in one embodiment.

Detailed Description

The present utility model is described in detail in one embodiment with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

As shown in fig. 1 to 5, an aspect of the present utility model is to provide a paper spool, which includes a central cylinder 1 and two reinforcing rings 2 disposed at two ends of the inside of the central cylinder 1, wherein the central cylinder 1 includes a multi-layer structure formed by winding coiled materials, a first adhesive layer is disposed between the layers, the reinforcing rings 2 include a plurality of laminated planar paper sheets, a second adhesive layer is disposed between adjacent planar paper sheets, and a third adhesive layer is disposed between an outer ring of the reinforcing rings 2 and an inner side surface of an end portion of the central cylinder 1. The central cylinder 1 and the reinforcing ring 2 are of multilayer combined structures, each layer of the central cylinder 1 and the reinforcing ring 2 is adhered by using a first adhesive layer and a second adhesive layer respectively, the layers are tightly connected, thickening and reinforcing are carried out, the central cylinder 1 and the reinforcing ring 2 can be firmly adhered by using a third adhesive layer, the hardness intensity of the whole winding shaft is greatly improved, and the winding shaft is not easy to loosen and collapse in the use process. Wherein the planar paper sheet is a ring-shaped structure.

In one embodiment, the first, second and third adhesive layers are all paper tube glue coatings. The paper cylinder glue is a special adhesive for manufacturing various paper tubes, paper barrels, paper cans and related paper products; the paper tube is coated on the two adhered surfaces, the whole contact surface is required to be coated with the paper tube adhesive, and at least one glue layer is formed.

In a specific embodiment, both ends of the central cylinder 1 are provided with rectangular line passing cuts 4. The wire passing notch 4 designed on the center barrel 1 is used for inserting the wire head of the printing consumable into the wire passing notch 4 as an initial part of wire coiling of the wire coil, that is, the wire starts coiling from the wire passing notch 4; the width dimension of the wire passing notch 4 is smaller, and the wire can be inclined by a small angle, as shown in fig. 4, when the wire end of the wire is inserted into the wire passing notch 4 and wound, the wire can form certain bending and is clamped at the wire passing notch 4, and the wire passing notch 4 can provide certain limiting effect for the wire end, so that the wire end is prevented from being separated from the wire passing notch 4 when the wire winding is just started.

In a specific embodiment, a wire passing groove 6 is arranged at a position of the reinforcing ring 2 corresponding to the wire passing notch 4, the wire passing groove 6 penetrates through the inner side and the outer side of the reinforcing ring 2, the wire passing groove 6 is of a structure that the outer ring of the reinforcing ring 2 is narrower and the inner ring of the reinforcing ring 2 is wider, the reinforcing ring 2 can be installed in the central cylinder 1 by means of an auxiliary tool, the auxiliary tool 7 comprises a disc 9 with a sliding groove 8 in the middle, a connecting block 10 arranged in the sliding groove 8 in a sliding manner, a handle 11 connected to one end of the connecting block 10 and a push block 12 connected to the other end of the connecting block 10, the push block 12 is matched with the wire passing groove 6, and a connecting line between the central point of the wire passing groove 6 and the center of the reinforcing ring 2 is parallel to a central line in the length direction of the sliding groove 8. If the reinforcing ring 2 is not provided with the wire passing groove 6, when the wire of the printing consumable penetrates the wire passing notch 4 as an initial part of winding, the reinforcing ring 2 is embedded in the middle of the central cylinder 1, so that the reinforcing ring 2 can block the wire passing notch 4, and the outer side end of the wire passing notch 4 is blocked, so that the wire cannot be wound from the edge most on the outer surface of the central cylinder 1 well when the wire penetrates the wire passing notch 4 as an initial part of winding. Therefore, a wire passing notch, namely a wire passing groove 6 is also designed on the reinforcing ring 2, so that the initial part of the wire for wire winding can directly come to the edge-most position of the central cylinder 1, and the wire winding effect is better. On the other hand, auxiliary fixtures 7 are used for assisting the installation to strengthening ring 2 specially, when carrying out with strengthening ring 2 pack into central section of thick bamboo 1, promote handle 11 makes ejector pad 12 extrude wire casing 6 for strengthening ring 2 hugs closely the inside of central section of thick bamboo 1 and finally realizes pasting closely and attach, and after strengthening ring 2 installs, need take off auxiliary fixtures 7, when using auxiliary fixtures 7 to install, strengthening ring 2 can guarantee the lateral surface of strengthening ring 2 and the lateral surface parallel and level of central section of thick bamboo 1 better.

In a specific embodiment, the two ends of the inside of the central cylinder 1 are provided with cutting marks 3, two reinforcing rings 2 are arranged at the positions of the cutting marks 3, glue can be coated on the outer ring of the reinforcing rings 2 and the cutting marks 3 of the inner end of the central cylinder 1, the reinforcing rings 2 and the central cylinder 1 are bonded and fixed by the glue, the reinforcing rings 2 can be fixed by bonding the reinforcing rings 2 and the central cylinder 1 by the glue, the cutting marks 3 are designed on the inner side of the central cylinder 1, the gluing area between the outer ring of the reinforcing rings 2 and the inner ring of the central cylinder 1 can be increased, and therefore, better gluing effect can be achieved, and the unstable reinforcing rings 2 are avoided.

In a specific embodiment, the outer ring array of the central cylinder 1 is provided with a plurality of lightening holes 5. The central cylinder 1 is formed by rolling at least one layer of base paper into a strip-shaped paper cylinder through rotation and cutting the strip-shaped paper cylinder into sections, so that the weight reducing holes 5 are designed in advance on the base paper, the base paper cylinder forms a structural form that the weight reducing holes 5 are arranged on the surface of the central cylinder 1 after the base paper cylinder is formed into the strip-shaped paper cylinder, and the weight reducing holes 5 are designed so that the central cylinder 1, namely the winding shaft of a wire coil, can reduce weight, thereby reducing freight. The cutting mark 3 can stretch the rotating shaft with the cutter into the central cylinder 1 before the central cylinder 1 is cut into two sections, and the cutter is only designed into a telescopic structure, when the rotating shaft stretches into the front side and the rear side of the position to be cut into two sections in the strip-shaped paper cylinder, the cutter is respectively stretched out in time, so that the cutting mark 3 can be cut by the cutter when the rotating shaft rotates. The cutting marks 3 are a plurality of annular cutting straight surface lines or inclined surface lines.

Another aspect of the present utility model provides a 3D printing consumable wire coil, including two limit plates 13 and the paper spool, a central hole 14 is provided in the middle of the limit plate 13, the aperture of the central hole 14 is the same as the aperture of the inner hole of the reinforcing ring 2, the paper spool is adhered between the two limit plates 13, and the central hole 14 is aligned with the inner hole of the reinforcing ring 2.

In a specific embodiment, the limiting plate 13 is provided with a plurality of weight-reducing slot holes in a circumferential array. The design of the weight-reducing slot hole aims at reducing the weight of the wire coil, thereby reducing the freight.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (8)

1. A paper spool, characterized in that: including a central section of thick bamboo (1) and two strengthening rings (2) that set up the inside both ends of a central section of thick bamboo (1), a central section of thick bamboo (1) is including the multilayer structure who forms by the coiled material winding, and is provided with first adhesion layer between layer and the layer, strengthening ring (2) are including a plurality of layers of plane scraps of paper of range upon range of, adjacent be provided with the second adhesion layer between the plane scraps of paper, the outer lane of strengthening ring (2) with be provided with the third adhesion layer between the medial surface of the tip of a central section of thick bamboo (1).

2. A paper spool as claimed in claim 1, wherein: the first adhesive layer, the second adhesive layer and the third adhesive layer are all paper tube glue coating layers.

3. A paper spool as claimed in claim 1, wherein: rectangular line passing cuts (4) are formed in two ends of the central cylinder (1).

4. A paper spool according to claim 3, characterized in that: the utility model discloses a wire groove (6) is crossed to the correspondence department of strengthening ring (2) with cross line incision (4), cross wire groove (6) link up the inside and outside of strengthening ring (2), cross wire groove (6) be close to strengthening ring (2) outer lane department is narrower and be close to strengthening ring (2) inner circle department is wider structure, strengthening ring (2) can be installed with the help of auxiliary fixtures in central section of thick bamboo (1), auxiliary fixtures (7) are including disc (9) that the middle part has spout (8), slip are established connecting block (10) in spout (8), connect handle (11) of the one end of connecting block (10) and connect ejector pad (12) of the other end of connecting block (10), ejector pad (12) with cross wire groove (6) looks adaptation, cross the central point of wire groove (6) with the line between the center of strengthening ring (2) with the length direction's of spout (8) is parallel.

5. A paper spool as claimed in claim 1, wherein: the two end parts of the inner part of the central cylinder (1) are provided with cutting marks (3), and the two reinforcing rings (2) are arranged at the cutting marks (3).

6. A paper spool as claimed in claim 1, wherein: the outer ring array of the central cylinder (1) is provided with a plurality of lightening holes (5).

7. 3D printing supplies drum, its characterized in that: the paper winding shaft comprises two limiting plates (13) and the paper winding shaft according to any one of claims 1-6, wherein a central hole (14) is formed in the middle of the limiting plates (13), the aperture of the central hole (14) is the same as that of an inner hole of the reinforcing ring (2), the paper winding shaft is adhered between the two limiting plates (13), and the central hole (14) is aligned with the inner hole of the reinforcing ring (2).

8. The 3D printing-consumable wire reel of claim 7 wherein: the limiting disc (13) is provided with a plurality of weight-reducing slot holes in a circumferential array.