CN214452523U - Handheld core plug remover for special paper rolls - Google Patents

Abstract

The utility model relates to a hand-held type plug core remover for special scroll to remove the inside plug core of special scroll. A remover (100) for removing a plug (200) having an insertion hole (201) from a paper roll (W), comprising: a proximal end (10), the proximal end (10) being formed with a grip handle (11); and a distal end (20) opposite the proximal end (10). A rotatable stopper (21) is mounted on the distal end (20), the stopper (21) has a width configured to be smaller than the diameter of the insertion hole (201), and the stopper (21) has a length configured to be larger than the diameter of the insertion hole (201). According to the utility model discloses a core stopple remover is particularly useful for removing the inside core stopple that uses of scroll, and this scroll includes for example cultural note paper, label and from special paper such as type paper or packing paper. The core plug remover is simple to use and is capable of removing the plug from the paper roll in a safe manner.

Description

Handheld core plug remover for special paper rolls

Technical Field

The utility model relates to a plug remover, more specifically say, relate to a hand-held type plug remover for special scroll.

Background

In the modern paper industry, paper is produced which is usually tightly wound around a cylindrical core made of wood or of plastic or cardboard. To protect the core after the paper has been rewound, a generally cylindrical or conical core plug is typically inserted into each of the ports on each side of the core. When paper on the core tube needs to be cut, used or printed, the core tube plugs can be taken out from the ports at the two sides of the core tube. As modern plant facilities are becoming increasingly large, for example, the core plugs currently in common use are classified into 3 inch and 6 inch types, and in non-common scenarios, there are also applications for larger diameter core plugs. Therefore, removing the large core plug from the core barrel port is not a simple task for the operator.

Previously, operators had been directed to manually remove the plug. However, this has the following disadvantages: firstly, the manual operation is time-consuming and labor-consuming, and has adverse effect on the working efficiency of operators; secondly, directly dig out the core tube stopper through the manpower, easily damage the core tube stopper. Once the core plug is damaged, not only the use is influenced, but also the production cost is increased; thirdly, if the operation is not proper, the operator is easy to have safety accidents of hand injury, such as nail breakage and the like, which is to be avoided in the modern operation.

For this reason, the removal of the plug is currently usually carried out using simple tools. For example, some operators use long iron poking or short iron prying to remove 3 or 6 inch plugs. Specifically, the operator stands on one side of the paper roll, inserts the long iron roll into the insertion hole formed in the core plug on that side, and continues to insert the long iron roll into the paper roll until it abuts against a solid portion of the core plug on the other side of the paper roll. An operator can push the core plug on the other side of the paper roll out of the paper roll by applying force to the long iron roll. The operator then stands to the other side of the roll, i.e. the side where the plug of the previously ejected roll is located, and the same method is used to eject the other plug from the roll. Alternatively, the operator inserts the short iron rod into an insertion hole formed in the core plug, and pries the core plug out of the paper roll.

However, the above method is time consuming and labor intensive and still presents a certain safety risk. This is because the maximum width of the paper roll is usually 2035mm, and if the core plug is poked out with a long iron stick, a long iron stick of 2100mm length needs to be prepared, and there is a risk of hand injury to the operator while applying force. If the core tube plug is pried out by a short iron rod, the problem that the core tube plug is damaged and cannot be recycled still exists. In addition, there is the possibility of contamination of the site.

However, the paper industry is currently not specifically designed with a specific tool to facilitate the removal of the core plug for the paper roll.

It is therefore envisaged to develop a special tool for removing the plug of the cartridge for the paper roll in a simple and safe manner.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a remove hand-held type plug core remover that is used for the plug core of special scroll with simple, safe mode.

The utility model relates to a remover, remover are used for removing the plug member that has the patchhole from the product, include:

a proximal end having a grip handle formed thereon; and

a distal end opposite the proximal end and a proximal end,

wherein, the distal end is provided with a rotatable stopper, the width of the stopper is configured to be smaller than the diameter of the insertion hole, and the length of the stopper is configured to be larger than the diameter of the insertion hole.

In a preferred embodiment, the plug may be a core plug, and the width of the stop may be configured to be less than the diameter of the insertion aperture of a 3 inch core plug and the length of the stop may be configured to be greater than the diameter of the insertion aperture of a 6 inch core plug.

As described above, the remover having the above configuration can be applied to both 3-inch and 6-inch core plugs which are currently widely used.

In another preferred embodiment, the stopper may be a rod, a bar, or a flat plate, and a distal end thereof is formed with a slot, and the stopper is rotated in the slot via the rotation shaft.

As described above, the remover having the above configuration can smoothly rotate the bar-like, rod-like, or flat-sheet-like stopper from the circumferential direction to the radial direction of the remover.

Preferably, the stopper may be formed with at least a first hole through which the rotation shaft passes at a position shifted from the center thereof toward the proximal end.

As described above, the remover having the above configuration can locate the rotation shaft in the first hole when the stopper is inserted into the insertion hole of the plug member, and keep the stopper in the slot all the time during the insertion.

More preferably, the stopper may be further formed with a second aperture, at least a portion of the second aperture being in communication with at least a portion of the first aperture, the second aperture being more proximal than the first aperture.

As described above, the stopper having the above configuration has a greater mass at a portion thereof facing the distal end than at a portion thereof facing the proximal end after the insertion of the insertion hole of the plug member due to the eccentric positioning of the first and second apertures thereof toward the proximal end, and thus tends to fall down more vertically under the influence of gravity than at the portion facing the proximal end. Since the second aperture is more proximal than the first aperture, when the distal end falls under the proximal end due to gravity, the first aperture will be below the second aperture, thereby allowing the shaft to pass from the larger diameter first aperture into the smaller diameter second aperture.

Most preferably, the diameter of the second aperture may be equal to or less than the diameter of the first aperture.

As described above, by designing the diameters of the first and second orifices, the stopper can be easily switched between the rotation state and the engagement state.

In yet another preferred embodiment, the remover may further comprise a weight disposed between the proximal end and the distal end, the weight being slidable between the proximal end and the distal end.

As described above, the use of the slidable weight can provide the operator with a backward impulsive force when pulling back the remover, facilitating the pulling back work of the operator.

Preferably, a distal cushion may be provided between the weight and the distal end to limit excessive distal movement of the weight.

As described above, a distal cushion equipped remover can limit excessive distal movement of the weight to damage the rotatable stop.

More preferably, a proximal cushion may be provided between the weight and the proximal end to limit excessive proximal movement of the weight.

As described above, the remover equipped with the proximal cushion can restrict excessive proximal movement of the weight to protect the operator's hand and the manipulation handle.

Most preferably, the proximal bumper pad may project in the radial direction of the remover with a larger dimension than the distal bumper pad.

As described above, designing the size of the proximal cushion pad projecting in the radial direction of the remover to be larger can protect the hand of the operator more effectively.

According to the utility model discloses a hand-held type removes utensil has following advantage:

(1) the remover is simple and easy to use, and is particularly suitable for removing the core plug used inside the paper roll so as to remove the core plug from the special paper roll in a safe manner;

(2) by equipping the remover with a counterweight that limits its travel, the force applied by the operator to the remover is much less than with the traditional methods of poking out with a long iron stick or prying out with a short iron stick;

(3) the removal step of the plug is simplified by forming two large and small orifices in the off-center position of the stop, allowing the stop to rotate between a horizontal insertion position and a vertical abutment position; and

(4) and is suitable for 3-inch core pipe plugs and 6-inch core pipe plugs which are widely used at present.

Drawings

To further illustrate the structure of the handheld remover according to the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, in which:

FIG. 1 is a simplified schematic diagram of a handheld remover of the present invention;

FIG. 2 is a schematic view of a stop of the remover shown in FIG. 1;

FIG. 3 is a side view of the counterweight of the remover shown in FIG. 1; and

figure 4 shows the process of inserting the remover of figure 1 into the insertion hole of a plug for a paper roll and removing the plug from the paper roll.

Reference numerals

10 proximal end

11 handle

20 distal end

21 stop block

22 first orifice

23 second orifice

24 rotating shaft

30 balance weight

31 distal cushion

32 proximal cushion

100 remover

200 plug

201 is inserted into the hole

W product

Detailed Description

The structure and method of use of the hand-held remover of the present invention will now be described with reference to the accompanying drawings, in which like elements are designated by like reference numerals.

Fig. 1 is a simplified schematic diagram of a handheld remover 100 of the present invention. The hand-held remover 100 is used to remove a plug 200 (e.g., a core plug) inside a product W. Generally, the product W may be wound from specialty paper (e.g., stationery paper, labels, release paper, or wrapping paper). Of course, one of ordinary skill in the art will appreciate that other types of paper can be suitable for use with the handheld remover 100 of the present invention.

As shown in fig. 1, a handheld remover 100 for removing a plug from a product W is generally in the shape of an elongated rod or bar having two ends defined as a "proximal end" and a "distal end", respectively.

The so-called proximal end, is the end indicated by arrow 10 in fig. 1, which is primarily intended for the operator to hold the remover 100. The proximal end 10 is fitted with a gripping handle 11, the length of the gripping handle 11 being typically one sixth to one third of the total length of the remover 100, preferably one fifth of the total length of the remover 100. Various patterns or protrusions may be formed on the grip handle 11 to increase the friction when the operator grips the handle. Of course, it is easily conceivable to those skilled in the art that the grip handle 11 may be formed directly on the proximal end 10, in other words, the grip handle 11 is formed integrally with the proximal end 10. Such variations will be readily apparent to those skilled in the art.

The distal end is the end indicated by arrow 20 in fig. 1, i.e. the end opposite the proximal end 10. This end is intended primarily for insertion into an insertion hole 201 (see fig. 4) in a plug 200 of the remover 100, a process which will be described in detail later.

The product W is in this embodiment a paper roll. Of course, it should be understood by those skilled in the art that the product W may be other articles requiring removal of the plug therein, and such articles are also within the scope of the present invention.

Distal end 20 mounts a rotatable stop 21. The stopper 21 is generally in the shape of a rod, a bar, or a flat plate, wherein the width (in the case where the stopper 21 is in the shape of a flat plate) or the diameter (in the case where the stopper 21 is in the shape of a rod or a bar) of the stopper 21 is configured to be smaller than the diameter of the insertion hole 201 on the plug member 200, and the length of the stopper 21 is configured to be larger than the diameter of the insertion hole 201 on the plug member 200.

With the above arrangement, the stopper 21 can be rotated about the distal end 20 of the remover 100. When the stopper 21 is rotated to a position coinciding with the axial direction of the remover 100, that is, in a case where the stopper 21 is in line with the central axis of the remover 100, since the width or diameter of the stopper 21 is smaller than the diameter of the insertion hole 201 on the plug member 200, the operator can insert the stopper 21 into the insertion hole 201.

After insertion, the stopper 21 can be rotated again to a direction substantially perpendicular to the axial direction of the remover 100, that is, the radial direction of the remover 100, and since the length of the stopper 21 is larger than the diameter of the insertion hole 201 on the plug member 200, the stopper 21 abuts against the back surface of the plug member 200 at this time and cannot be withdrawn from the insertion hole 201.

It should be noted that the terms "axial direction" and "radial direction" are based on the assumption that the remover 100 is a rod-shaped body having a substantially constant diameter, and do not consider the case where the diameter of the parts such as the handle 11 and the stopper 21 is changed.

In a preferred embodiment, the plug member 200 may be a core plug for plugging a core tube for paper rolls, the width of the stopper 21 is designed to be smaller than the diameter of the insertion hole 201 of a 3-inch core plug, and the length of the stopper 21 is designed to be larger than the diameter of the insertion hole 201 of a 6-inch core plug. Since 3 inch and 6 inch plugs are the two most commonly used plugs in the industry, the extractor 100 thus designed can be adapted to both plugs, and its application range will be wider.

In another preferred embodiment, a slot (not shown) is formed in distal end 20 of remover 100 and is sized to fit the size of stop 21 to allow stop 21 to be received and rotated within the slot. For example, the length of the slot should be greater than half the length of the stop 21, the width of the slot should be greater than the thickness of the stop 21, and so on.

More specifically, the stopper 21 is formed with a first aperture 22 at a position offset from the center thereof toward the proximal end 10, and the slot is also formed with a first through hole and a second through hole which are arranged substantially concentrically with each other. The rotating shaft 24 has a diameter smaller than the first through hole, the first aperture 22 and the second through hole, and thus can pass through the first through hole, the first aperture 22 and the second through hole, respectively, to rotatably receive the stopper 21 in the slot.

The rotation shaft 24 may be configured such that both ends have a diameter larger than the first and second through holes of the slot, thereby constituting a structure similar to a fixing bolt to ensure that the stopper 21 does not fall out of the slot.

Referring to fig. 2, the stop 21 of the remover 100 of fig. 1 is shown. As shown in fig. 2, it can be seen that the stopper 21 is formed with a second opening 23 along its length in addition to the first opening 22, at least a portion of the second opening 23 communicating with at least a portion of the first opening 22. The double orifice combining the first orifice 22 with the second orifice 23 is also arranged at a position of the stop 21 towards the proximal end 10, wherein the second orifice 23 is further towards the proximal end 10 than the first orifice 22 along the length of the stop 21.

The stopper 21 having the above-described configuration has a mass greater in a portion thereof facing the distal end than in a portion thereof facing the proximal end 10 after being inserted into the insertion hole 201 of the plug member 200 because the first and second orifices 22, 23 thereof are eccentrically positioned toward the proximal end 10. Under the influence of gravity, the distally facing portion of the stop 21 tends to fall more vertically than the proximally facing portion. Since the second aperture 23 is more towards the proximal end 10 than the first aperture 22, when the distally facing portion of the stop 21 falls under the proximally facing portion due to gravity, the first aperture 22 will be located under the second aperture 23, causing the rotational axis 24 to pass from the first aperture 22 into the second aperture 23.

In the embodiment shown in fig. 2, the diameter of the second aperture 23 is smaller than the diameter of the first aperture 22, but substantially equal to or slightly larger than the diameter of the rotation shaft 24. Thereby, the rotation shaft 24 can be moved back and forth between the first aperture 22 and the second aperture 23.

Since the diameter of the first bore 22 is configured to be larger than the diameter of the rotary shaft 24, when the rotary shaft 24 is in the first bore 22, it is possible to locate the rotary shaft 24 in the first bore 22 when the stopper 21 is inserted into the insertion hole 201 of the plug member 200, and to keep the stopper 21 in the slot at all times during the entire insertion. On the other hand, since the diameter of the second aperture 23 is configured to be substantially equal to or slightly larger than the diameter of the rotation shaft 24, when the rotation shaft 24 is in the second aperture 23, the stopper 21 in the vertical state is substantially engaged in the second aperture 23, and thus, it is not possible or difficult to rotate around the rotation shaft 24 and the second aperture 23.

With the above design, the operator can easily control whether the rotary shaft 24 is in the first aperture 22 or the second aperture 23, so that the stopper 21 can be rotated before the insertion hole 201 on the plug member 200 and is substantially caught in the second aperture 23 after the insertion hole 201 on the plug member 200.

It should be noted that the term "substantially" mainly indicates a general tendency. Due to the various dimensional tolerances, the fit of the components may not be perfectly precise during actual operation. For example, since the diameter of the second hole 23 cannot be precisely designed to be only a little larger than the diameter of the rotation shaft 24, the stopper 21 may not be able to be just engaged in the second hole 23 after being inserted into the insertion hole 201, but there may be a little play. However, in general, the stopper 21 is mainly engaged in the second hole 23. Such errors should be readily understood by those skilled in the art.

In an alternative embodiment, the diameter of the second aperture 23 may be equal to the diameter of the first aperture 22. In this embodiment, although two orifices of the same size do not provide the same control effect as two orifices, one larger and one smaller, the technical effects of the invention are substantially achieved.

In yet another preferred embodiment, the remover 100 may further comprise a weight 30 disposed between the proximal end 10 and the distal end 20. Fig. 3 shows a side view of the counterweight 30 of the remover 100 shown in fig. 1, it being seen that the counterweight 30 is cylindrical and it is sleeved on the remover 100 so as to be able to slide between the proximal end 10 and the distal end 20.

The counterweight 30 is typically designed to weigh 1 kilogram (kg). Because the utility model discloses a remover 100 is hand-held device, the weight of counter weight 30 should not design too heavily, otherwise can influence operating personnel's work efficiency. However, the weight of the counterweight 30 should not be designed to be too light, otherwise insufficient kinetic energy is applied, which could affect the extraction efficiency of the plug 200. This will be described in detail later in conjunction with fig. 4.

Preferably, a distal cushion 31 is provided between the weight 30 and the distal end 20 to limit excessive movement of the weight 30 toward the distal end 20, and a proximal cushion 32 is provided between the weight 30 and the proximal end 10 to limit excessive movement of the weight 30 toward the proximal end 10. With the above arrangement, the weight 30 can be slid between the proximal end 10 and the distal end 20 without fear of damaging the handle 11 at the proximal end 10 or the stopper 21 at the distal end 20.

The distal cushion 31 and the proximal cushion 32 may be annular rings made of rubber that are adhesively fixed to the remover 100, thereby defining the range in which the weight 10 can slide on the remover 100. As shown in fig. 2, the distal cushion 31 and the proximal cushion 32 protrude in the radial direction of the remover 100 to a height greater than the radius of the weight 10, thereby effectively limiting the range in which the weight 10 can slide on the remover 100, ensuring that it does not excessively move toward the proximal end 10 and/or the distal end 20, cushioning the impact caused by the movement of the weight 30, and protecting the hand of the operator.

In a further preferred embodiment, the proximal cushion 32 protrudes in the radial direction of the remover 100 with a larger dimension than the distal cushion 31 protrudes in the radial direction of the remover 100. This design can more fully absorb the impact of the weight 30 moving toward the proximal end 10 and more effectively protect the operator's hand.

The operation of the handheld remover 100 of the present invention will be described with reference to fig. 4:

the operator stands on one side of the paper roll. He first grasps the handle 11 at the proximal end 10 of the remover 100, positions the stop 21 within the first larger diameter aperture 22 and rotates into alignment with the central axis of the remover 100, and then inserts the stop 21 into the insertion aperture 201 on the plug 200 (or directly punctures the sealing paper on the plug 200).

After the stopper 21 is inserted into the stopper 200, the operator shakes the remover 100 and the stopper 21 thereon. Since the first and second apertures 22, 23 are eccentrically located towards the proximal end 10, the mass of the distally facing portion thereof is greater than the mass of the proximally facing portion. When the operator shakes the remover 100, the distally facing part of the stop 21 will fall more quickly than the proximally facing part due to the heavier weight to a direction substantially perpendicular to the axial direction of the remover 100, i.e. the radial direction of the remover 100, thereby being rotated by substantially 90 ° relative to the previous position. Since the second aperture 23 is more towards the proximal end 10 than the first aperture 22, a momentary state of the second aperture 23 above the first aperture 22 is created when the distally directed portion of the stopper 21 falls below the proximally directed portion, the rotation axis 24 thus passing from the first aperture 22 of larger diameter into the second aperture 23 of smaller diameter. At this point, the operator withdraws the remover 100 from the paper roll in the opposite direction to the previous one, causing the stop 21 to abut against the back of the stopper 200.

A rearward pulling force is applied to the remover 100 and the weight 30 on the remover 100 is moved rearward until it abuts against the proximal cushion 32, and the operator can remove the plug 200 on one side of the roll by a rearward impulse. Pulling back the stop 21 from the second aperture 23 to the first aperture 22 facilitates turning the stop 21 back into the slot for a later removal operation, since the first aperture 22 has a larger diameter than the second aperture 23.

The operator then stands on the other side of the roll and repeats the above steps, removing the plug 200 on the other side of the roll in the same manner.

The method is simple and easy to learn, the plug can be removed from the roll in a safe manner, and the force applied by the operator to the remover is much less than with conventional methods of poking out with a long iron stick or prying out with a short iron stick.

Examples of the invention

The remover 100 has a total length of 500mm and a diameter of 18mm, wherein the rotational axis 24 of the stopper 21 is spaced from the distal cushion 31 by 112mm, the grip handle 11 has a length of 100mm, and the distal cushion 31 is spaced from the proximal cushion 32 by 250mm, i.e., the weight 30 is slidable by 250 mm.

The proximal cushion 32 projects 75mm in the radial direction of the remover 100 and the distal cushion 31 projects 50mm in the radial direction of the remover 100.

The proximal cushion 32, the distal cushion 31 and the handle 11 are made of rubber having elasticity.

The weight 30 has a weight of 1kg, and has a cylindrical shape with an inner diameter of 25mm and an outer diameter of 42 mm.

The stopper 21 has a length of 60mm, a width of 18mm and a thickness of 3mm, and the first orifice 22 and the second orifice 23 eccentrically disposed thereon have a diameter of 7mm and a diameter of 5 mm.

While the handheld remover of the present invention has been described above in connection with several preferred embodiments, those of ordinary skill in the art will recognize that the above examples are illustrative only and should not be taken as limiting the invention. For example, for a plug member not provided with an insertion hole, a pierceable sealing paper may be designed instead, or the like. Thus, changes and modifications may be made to the invention which are within the true spirit and scope of the claims and which are intended to be within the scope of the appended claims.

Claims (10)

1. A hand-held core plug remover (100) for special paper rolls, said remover (100) for removing a plug (200) having an insertion hole (201) from a product (W), comprising:

a proximal end (10), wherein a grip handle (11) is formed on the proximal end (10); and

a distal end (20) opposite the proximal end (10),

characterized in that the distal end (20) is mounted with a rotatable stopper (21), the stopper (21) having a width configured to be smaller than the diameter of the insertion hole (201), and a length configured to be larger than the diameter of the insertion hole (201).

2. The remover (100) of claim 1, wherein the plug (200) is a core plug, the width of the stop (21) is configured to be less than the diameter of the insertion hole of a 3 inch core plug, and the length of the stop (21) is configured to be greater than the diameter of the insertion hole of a 6 inch core plug.

3. The remover (100) according to claim 1, characterized in that said distal end (20) is slotted, said stop (21) rotating in said slot via a rotation axis (24).

4. A remover (100) as claimed in claim 3, wherein said stop (21) is formed with at least a first aperture (22) at a position offset from its center towards said proximal end (10), said rotation axis (24) passing through said first aperture (22).

5. The remover (100) of claim 4, wherein said stop (21) further defines a second aperture (23), at least a portion of said second aperture (23) communicating with at least a portion of said first aperture (22), said second aperture (23) being more towards said proximal end (10) than said first aperture (22).

6. The remover (100) of claim 5, wherein the diameter of the second aperture (23) is equal to or smaller than the diameter of the first aperture (22).

7. The remover (100) of claim 1, wherein the remover (100) further comprises:

a weight (30) disposed between the proximal end (10) and the distal end (20), the weight (30) being slidable between the proximal end (10) and the distal end (20).

8. The remover (100) of claim 7, wherein a distal cushion (31) is provided between said weight (30) and said distal end (20) to limit excessive movement of said weight (30) toward said distal end (20).

9. The remover (100) according to claim 8, characterized in that a proximal cushion (32) is provided between said weight (30) and said proximal end (10) limiting excessive movement of said weight (30) towards said proximal end (10).

10. The remover (100) according to claim 9, wherein said proximal cushion (32) protrudes in a radial direction of said remover (100) with a larger dimension than said distal cushion (31) protrudes in a radial direction of said remover (100).

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