KR20220001329U - Protection member, holder unit, and holder unit aggregate - Google Patents

Abstract

[Problem] The generation of abrasion powder of the holding body is reduced, and contamination of the roll member by the wear powder is suppressed.
[Solution] The protection member 22 protects the holding body 21 . The protection member 22 is comprised so that it may be interposed between the roll member 20 and the holding body 21 . The protective member 22 has a first portion 140 that is an inner portion having a hole 140a and a second portion 141 that is an outer periphery surrounding the first portion 140 . The first portion 140 is cylindrical and covers at least a part of the outer periphery of the protrusion 51 of the holding body 21 . The second portion 141 covers at least the periphery of the protrusion 51 on the surface of the flat plate portion 50 of the holding body 21 .

Description

Protective member, retainer unit and assembly of retainer unit {PROTECTION MEMBER, HOLDER UNIT, AND HOLDER UNIT AGGREGATE}

The present invention relates to an assembly of a protection member, a holding body unit, and a holding body unit.

For example, films, such as an insulating film (separator) used for a battery, are wound around the core at the time of manufacture, and become a cylindrical roll member. Usually, a roll member is stored and conveyed in the state (state of a holding body unit) held by the both ends by the holding body.

Generally, the holding body described above includes a flat plate portion, a cylindrical protrusion provided at the center of the flat plate portion, and a through hole penetrating the protrusion and the flat plate portion (refer to Patent Document 1). This holding body holds the roll member by inserting the projections into both ends of the winding core of the roll member.

In addition, a plurality of holding member units in a state in which the roll member is held by a pair of holding members are arranged in a horizontal direction and stored also in a state in which a plurality of roll members are overlapped in the vertical direction (aggregate state of holding member units). At this time, the upper and lower surfaces and the left and right surfaces of the adjacent holding bodies are fitted with each other.

And when the holding body unit is conveyed, the lifter device passes the shaft through the through hole of the holding body, and lifts and conveys the holding unit unit.

Japanese Patent Laid-Open No. 2019-210043

However, when conveying a holding body unit as mentioned above, a holding body and the winding core of a roll member may rub against each other, or adjacent holding bodies may rub against each other. As a result, abrasion powder may generate|occur|produce from the surface of a holding body.

When abrasive powder is generated on the surface of the holding body, for example, the abrasive powder of the holding body adheres to the film of the roll member and there is a fear that the roll member may be contaminated, and there is a possibility that the quality of the roll member may be deteriorated.

This application has been made in view of this point, and it is one of the objects to provide the assembly|assembly of the protection member which can reduce generation|occurrence|production of the abrasion powder of a holding body, a holding body unit, and a holding body unit.

As a result of earnest examination, the present inventors discovered that the said problem could be solved by interposing the protective member which protects a holding body between a holding body and a roll member or between holding bodies, and completed this invention came to

That is, the present invention includes the following aspects.

(1) a holding body comprising a flat plate portion, a protrusion protruding from the surface of the flat plate portion, and a through hole penetrating the protrusion and the flat plate portion, the protrusion being inserted into the winding core of the roll member to hold the roll member A protective member that protects a member, wherein the protective member is configured to be interposed between the roll member and the holding body, and has an inner portion having a hole and an outer peripheral portion surrounding the inner portion.

(2) The protective member according to (1), wherein the inner portion and the outer peripheral portion are films, and the holes are slits formed in the film.

(3) The protective member according to (2), wherein the film has a polygonal shape or a circular shape.

(4) the inner part covers at least a part of the outer periphery of the protrusion of the holding body and is a first cylindrical portion having the hole, and the outer part includes at least the circumference of the protrusion on the surface of the flat plate part of the holding body. The protective member according to (1), which is a second part to be covered.

(5) The protection member according to (4), wherein the first part is configured to be fitted freely with respect to the protrusion.

(6) The protection member according to (4) or (5), wherein the second portion has an outer shape that fits within the surface of the surface of the flat plate portion.

(7) a flat plate portion, a cylindrical projection protruding from the surface of the flat portion, and a through hole penetrating the projection and the flat portion, wherein the projection is inserted into the winding core of the roll member to hold the roll member A protection member used for a holding body and configured to be installable on an outer circumferential surface of the flat plate portion.

(8) The protective member according to (7), wherein the outer peripheral surface of the flat plate portion has a fitting portion for fitting with the other holding member, and the protective member can be installed on the outer peripheral surface of the flat plate portion so as to cover at least the fitting portion.

(9) The flat plate portion has a polygonal shape having three or more angles and has a plurality of side surfaces, and the protection member is configured to be installed on one side surface or two or more side surfaces of the flat plate portion, (8) protection member described in .

(10) The protective member according to any one of (1) to (9), wherein the protective member has a thickness exceeding 40 µm.

(11) The protective member according to any one of (1) to (10), wherein the resin has a melting point of 100°C or higher, and the resin is polyethylene or contains a resin having no melting point.

(12) The protective member according to any one of (1) to (11), wherein the surface of the holding body has a coefficient of kinetic friction of 0.60 or less.

(13) A holding body unit provided with a roll member, a pair of holding bodies holding the roll members, and the protection member according to any one of (1) to (12).

(14) An assembly of holding unit units, comprising a plurality of holding unit units according to (13), wherein the holding unit units are arranged in at least one of top and bottom or left and right.

(15) further comprising a cover, wherein the cover has a top face plate for covering the top surface of the assembly of the holding body unit and a side plate for covering two opposite side surfaces of the assembly of the holding body unit, (14) ), the assembly of the holding body unit as described above.

(16) The assembly of the holding body unit according to (15), wherein an end of the top plate without the side plate is extended and bent downward.

(17) The assembly of the holding body unit according to (15), wherein a cushioning material is provided at an end of the top plate without the side plate.

(18) The assembly of the holding body unit according to (15), wherein an end of the top plate without the side plate is subjected to a process for rounding the corner of the end.

ADVANTAGE OF THE INVENTION According to this invention, generation|occurrence|production of the abrasion powder of a holding body can be reduced, and contamination of the roll member by abrasion powder can be suppressed.

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows the assembly|assembly of a holding body unit.
2 is an exploded view of the holding body unit;
3 is a perspective view of the holding body.
4 is a front view of the holding body.
5 is a top view of the holding body.
6 is a bottom view of the holding body.
7 is a right side view of the holding body.
Fig. 8 is a left side view of the holding body.
It is explanatory drawing which shows the holding body to which the protection member was provided.
It is a front view of the holding body which provided the protection member.
It is a side view of the holding body which provided the protection member.
12 is a cross-sectional view of a holding body, a protection member, and a roll member when a holding body is provided in the roll member.
It is explanatory drawing which shows the example of a film-form protective member.
It is explanatory drawing which shows the film-shaped protective member pinched|interposed between a holding body and a roll member.
It is explanatory drawing which shows the protection member provided in the outer peripheral surface of a holding body.
It is explanatory drawing which shows the holding body to which the protection member was provided.
It is explanatory drawing which shows the assembly|assembly of the holding body unit provided with the protection member.
It is explanatory drawing which shows the example of the protective member which covers one side surface of a holding body.
It is explanatory drawing which shows the example of the protective member which covers three side surfaces of a holding body.
It is explanatory drawing which shows the assembly|assembly of the holding body unit provided with the cover.
It is explanatory drawing which shows the assembly|assembly of the holding body unit provided with the cover of another aspect.

Hereinafter, an example of a preferred embodiment of the present invention will be described with reference to the drawings.

<First embodiment>

1 : is a perspective view which shows an example of the assembly|assembly 1 of the holding body unit which concerns on this embodiment. The assembly|assembly 1 of the holding body unit has the some holding body unit 10, The some holding body unit 10 is arranged in plurality in the horizontal direction X, and it overlaps in plurality in the up-down direction Z. In the example of this embodiment, three holding body units 10 are arranged in the horizontal direction X, and two are overlapped in the up-down direction Z. As shown in FIG. At this time, the some holding body unit 10 is mutually fitted by the fitting part of the holding body 21 mentioned later between those adjacent to the horizontal direction X and the up-down direction Z. As shown in FIG. In addition, in the assembly 1 of holding body units, the number arranged in the horizontal direction X of the holding body unit 10, and the number overlapping in the up-down direction Z are changed suitably.

2 : is an exploded view of the holding body unit 10 for demonstrating the structure of the holding body unit 10. As shown in FIG. The holding body unit 10 has the roll member 20 , two holding bodies 21 , and two protective members 22 .

The roll member 20 has a cylindrical core 30 and a film 31 which is a product wound around the core 30 . Although the film 31 is not specifically limited, For example, it is an insulating film (separator) containing the polyolefin microporous film used for electrical storage devices, such as a battery. The core 30 has, for example, a length in the direction along the central axis A (axial direction Y) that is longer than the width of the film 31 . The film 31 is wound in the center of the core 30 so that a portion where the film is not wound is formed on both ends 30a of the core 30 . Although the core 30 is not specifically limited, For example, it is made of paper, wood, or resin.

The roll member 20 has, for example, a diameter of 15 cm or more, preferably 30 cm or more, 35 cm or more, 40 cm or more, 45 cm or more, 50 cm or more, 60 cm or more, for example, a size of 80 cm or less. is to have Moreover, the weight of the roll member 20 is 1 kg or more, for example, 5 kg or more, 10 kg or more, 30 kg or more, 50 kg or more, 60 kg or more, Preferably 120 kg or less may be sufficient.

As shown in FIG. 3, the holding body 21 has a substantially convex square shape as a whole. The holding body 21 includes a flat plate portion 50 , a cylindrical projection 51 protruding from the center of the flat plate portion 50 , and a through hole 52 penetrating the flat portion 50 and the projection 51 . is provided. The holding body 21 is made of, for example, plastic, metal, or the like. The holding body 21 is formed so that the surface kinetic friction coefficient (JIS K7125) is 0.60 or less, preferably 0.50 or less, 0.47 or less, smaller than 0.47, 0.45 or less, or 0.40 or less. As the material of the holding body 21, for example, engineering plastics such as polypropylene, polystyrene, ABS, HIPS, and POM, fiber and filler-reinforced composite materials, and mixtures thereof are used. Plastics are preferable in terms of dimensional stability, moldability, and light weight.

The flat plate part 50 has a scatter-proof shape. The flat plate portion 50 has a front surface 60 , a rear surface 61 , and an outer peripheral surface 62 . The outer peripheral surface 62 has four surfaces, namely, an upper side surface 70 , a lower side surface 71 , a right side surface 72 , and a left side surface 73 . Although the front surface 60 and the back surface 61 are not specifically limited, For example, one side is about 10 cm - 100 cm square. In addition, in this specification, "upper", "lower", "front", and "tooth" of the holding body 21 are based on the attitude|position at the time of use, as shown in FIG. The "front" is a surface on the side to be fitted into the roll member 20 , and "tooth" is a surface on the opposite side to the side to be fitted into the roll member 20 .

The flat plate portion 50 has leg portions 80 that protrude from the four corners of the flat plate portion 50 in a direction perpendicular to the front surface 60 . The leg portion 80 is formed, for example, in a substantially triangular prism shape. The outer surface of the leg portion 80 constitutes a part of the outer peripheral surface 62 of the flat plate portion 50 .

The protrusion 51 is formed in a substantially cylindrical shape with a missing upper part, and protrudes from the center of the front surface 60 of the flat plate part 50 toward the front in the axial direction Y. The protrusion 51 has an outer diameter slightly smaller than the inner diameter of the core 30 of the roll member 20, and can be fitted inside the core 30 via a protection member 22 to be described later. have. The protrusion 51 is formed, for example, so that the tip 51a side is slightly thinner than the base end 51b side (so that the outer diameter becomes small). Since the upper part of the protrusion part 51 is missing by the through-hole 52, it is formed in the substantially U-shape with thickness as seen from the front surface 60 side.

3 and 4, the through hole 52 is formed in a U-shape on the lower edge side and an arc shape on the upper edge side when viewed from the front face 60 side. The through hole 52 includes a first hole 90 of the protrusion 51 and a second hole 91 of the flat plate portion 50 . The first hole 90 penetrates the protrusion 51 in the axial direction Y. The first hole 90 is formed by cutting the upper surface 51c side of the protrusion 51 into a U shape. The second hole 91 penetrates the flat plate 50 in the axial direction Y. The second hole 91 is composed of a U-shaped lower inner surface 91a concave downwardly formed in the flat plate portion 50 and an arc-shaped upper inner surface 91b convex upward.

As shown in Figs. 5 and 6, the upper side surface 70 and the lower side surface 71 of the flat plate portion 50 are provided with fitting portions 100 and 101 that are free to fit each other. As shown in FIG. 5, the upper surface fitting portion 100 of the upper surface 70 has a convex portion protruding with respect to the reference plane B1, and as shown in FIG. 6, the lower surface fitting portion of the lower surface 71 ( 101) has a concave portion concave with respect to the reference plane B2. In addition, the reference surface B1 of the upper surface 70 is a surface where the lowermost end surface of the lower surface 71 abuts when fitted with the lower surface 71, and the reference surface B2 of the lower surface 71 is the lowest end surface. The upper surface fitting part 100 and the lower surface fitting part 101 do not protrude in a convex shape from the entire surface of the area of each part, for example, but are linear (protrusion) along the outer edge of the area of each part. is protruding

The upper surface fitting portion 100 and the lower surface fitting portion 101 can be fitted to each other, whereby the holding body 21 is the lower surface 71 of the upper holding body 21 when it is overlapped in the vertical direction Z. and the upper side surface 70 of the lower holding body 21 are fitted to each other, so that the upper and lower holding bodies 21 overlap without a gap.

As shown in FIGS. 7 and 8, the right side 72 and the left side 73 of the flat plate part 50 are provided with fitting parts 110 and 111 that can be fitted with each other, respectively. The right side fitting portion 110 of the right side surface 72 and the left side fitting portion 111 of the left side surface 73 each have a concave portion and a convex portion.

The right side fitting portion 110 and the left side fitting portion 111 can be fitted with each other, whereby the holding body 21 is the right side surface 72 of the left side holding body 21 when it is arranged in the horizontal direction X. and the left side surface 73 of the right holding body 21 are fitted with each other, so that the adjacent holding bodies 21 are arranged without a gap.

As shown in Figs. 5 to 8, in the upper side surface 70, the lower side surface 71, the right side surface 72, and the left side surface 73, the grooves (recesses) for fixing the holding body 21 with a belt, respectively. ) 120 is formed.

As shown in FIG. 2 , the protection member 22 has a structure that can be interposed between the roll member 20 and the holding body 21 . The protection member 22 is comprised so that it can fit with respect to the projection part 51 of the holding body 21 . For example, as shown in FIG. 9 , the protective member 22 has a first portion 140 as an inner portion having a hole 140a in the axial direction X, and an outer peripheral portion surrounding the first portion 140 . It has a second part 141 .

The first part 140 has a cylindrical shape that can be fitted with respect to the protrusion 51 . That is, the first portion 140 has an inner diameter r1 that is substantially equal to or slightly larger than the outer diameter R1 of the protrusion 51 as shown in FIG. 10 . The first portion 140 has a thickness d1 in the radial direction of more than 40 µm, preferably 45 µm or more, more preferably 50 µm or more, and more than 50 µm and 400 µm or less in the radial direction. The thickness d1 of the 1st part 140 should just be below the clearance gap between the holding body 21 and the roll member 20 in design. The first portion 140 has an outer diameter r2 that is substantially equal to or slightly smaller than the inner diameter of the inner peripheral surface of the core 30 of the roll member 20 . The thickness d1 of the first portion 140 is 50% or more of a design gap between the protrusion 51 and the core 30 (difference between the (maximum) outer diameter of the protrusion 51 and the inner diameter of the core 30) , may be set to 100% or less.

Moreover, the 1st part 140 has the height h1 of about 50% - 100% of the protrusion height H1 of the protrusion part 51, as shown in FIG. Accordingly, the tip 140b of the first part 140 when the first part 140 is fitted into the protrusion 51 is positioned between the tip 51a and the base end 51b of the protrusion 51 . do. Moreover, the 1st part 140 may have a tapered shape whose diameter becomes small as it approaches the front-end|tip 140b so that it may follow the external shape of the protrusion part 51. As shown in FIG.

As shown in FIG. 9, the 2nd part 141 has a circular outer shape, for example. The second part 141 is, for example, in the form of a thin sheet (plate shape), and is formed in an annular shape having a width in the radial direction. The inner periphery 141a of the second part 141 is connected to the base end 140c of the first part 140 . As shown in FIG. 10 , the second part 141 is formed so that the entire surface of the end surface of the winding core 30 of the roll member 20 is in contact with the second part 141 when the roll member 20 is installed on the holding body 21 . It has a radial width e1 that can be The second part 141 has a shape smaller than the front face 60 of the holding body 21 , that is, the outer periphery 141b of the second part 141 is shorter than the front face 60 of the holding body 21 . It has a diameter p1 smaller than the side length L1.

11 , the second part 141 has a thickness d2 in the axial direction Y that is about the same as the thickness d1 of the first part 140 . The thickness d2 of the second part 141 may be thicker than the thickness d1 of the first part 140 .

The protection member 22 contains resin which melting|fusing point is 100 degreeC or more or does not have melting|fusing point. For example, the protective member 22 may contain polyethylene. The polyethylene of the protective member 22 may be LDPE, LHDPE, LLDPE, PET, PS, nylon/PE, these mixtures, etc. may be sufficient as it.

Next, the usage method of the holding body 21 and the protection member 22 comprised as mentioned above is demonstrated.

First, as shown in FIG. 2 , the roll member 20 , the two holding bodies 21 , and the two protection members 22 are prepared, and the protection member 22 is attached to the holding body 21 . At this time, as shown in FIG. 9 , the first part 140 of the protection member 22 is fitted into the projection 51 of the holding body 21 , and the second part 141 is on the front surface 60 . touch

Next, the holding bodies 21 are provided at both ends of the roll member 20 . At this time, as shown in FIG. 12 , the projections 51 of the holding body 21 are inserted together with the protection member 22 into the both ends 30a of the winding core 30 of the roll member 20 and fitted. lose At this time, the inner peripheral surface 30b of the core 30 of the roll member 20 abuts against the first part 140 of the protection member 22, and the end surface 30c of the core 30 is connected to the second part ( 141) is in contact. Thereby, the protection member 22 is interposed between the holding body 21 and the roll member 20, and the holding body 21 and the roll member 20 become non-contact.

When the holding bodies 21 are provided in both ends of the roll member 20, the holding body units 10 shown in FIG. 1 are formed. And the some holding body unit 10 is arrange|positioned in the horizontal direction X, and is laminated|stacked in the up-down direction Z, and it becomes the aggregate|assembly 1 of the holding body unit.

The protection member 22 in this embodiment is comprised so that it can be interposed between the roll member 20 and the holding body 21, and has an inner side part (1st part 140) which has a hole 140a; It has an outer peripheral portion (second portion 141) surrounding the inner portion. According to this embodiment, since the protection member 22 can be interposed between the holding body 21 and the roll member 20, the contact between the holding body 21 and the roll member 20 is reduced, and when conveying, etc. It is possible to reduce the occurrence of abrasion powder of the holding body 21 . In addition, since the protective member 22 is locally disposed in a portion adjacent to the holding body 21 and the roll member 20, the small and inexpensive protective member 22 can effectively reduce the generation of abrasion powder of the holding body 21 with the small and inexpensive protection member 22. can be reduced In addition, since it is suppressed that the protective member 22 comes into contact with the film 31 of the roll member 20, the damage|damage of the film 31 and deterioration of quality are suppressed.

The protection member 22 covers at least a part of the outer periphery of the protrusion 51 of the holding body 21 and includes a first cylindrical portion 140 having a hole 140a, and a flat plate portion ( The front surface 60 of the 50 has a second portion 141 covering at least the periphery of the protrusion 51 . As a result, the first portion 140 suppresses contact between the inner peripheral surface 30b of the core 30 of the roll member 20 and the outer peripheral surface of the protrusion 51 , and the core 30 of the roll member 20 . Contact between the end surface 30c of the and the front surface 60 of the protrusion 51 can be suppressed by the second portion 141 . As a result, the contact of the roll member 20 and the holding body 21 can be suppressed efficiently.

The first part 140 is configured to be fitted freely with respect to the protrusion 51 . Thereby, it becomes easy to attach the protection member 22 to the holding body 21, and the installation operation|work of the protection member 22 can be performed easily and in a short time.

Since the second part 141 has an external shape that fits within the surface of the front face 60 of the holding body 21 , the protective member 22 is not attached to the film 31 of the roll member 20 or other holding body unit. Contact with (10) can be suppressed.

Since the protective member 22 has a thickness exceeding 40 micrometers, the contact of the holding body 21 and the roll member 20 can be reduced more reliably. Moreover, when the protective member 22 has a thickness exceeding 40 micrometers, it is preferable from a viewpoint of damage prevention.

Since the protective member 22 contains a resin having a melting point of 100° C. or higher or having no melting point, and the resin is polyethylene, abrasion of the holding body 21 due to contact between the protection member 22 and the holding body 21 . generation can be reduced.

In the said embodiment, although the 1st part 140 of the protection member 22 covered a part of the outer periphery of the protrusion part 51, it may cover the whole outer periphery of the protrusion part 51. As shown in FIG. Although the external shape of the 2nd part 141 was circular, it may be a polygonal shape, for example, a quadrangle.

In addition, in the above embodiment, although the protective member 22 had the 1st part 140 and the 2nd part 141, the thing in the form of a thin film as shown in FIG. 13 may be sufficient. In this case, the protection member 22 may have a polygonal shape, for example, a rectangular outer shape, and the slit 160 used as the hole 160a may be formed in the center. The slit 160 is formed, for example, in a cross shape or a straight line shape. The protective member 22 is constituted by a deformable resin film, cloth, a porous film, a nonwoven fabric, a woven fabric, a knitted fabric, or the like. The protective member 22 has a thickness of more than 40 µm, preferably 45 µm or more, more preferably 50 µm or more, and more than 50 µm and 400 µm or less. The thickness of the protection member 22 should just be below the clearance gap between the holding body 21 and the roll member 20 in design. Further, the vicinity of the center where the slit 160 of the protection member 22 is located is the inner periphery, and the outer frame portion surrounding the inner periphery is the outer periphery.

In this example, the protection member 22 is provided on the front face 60 of the holding body 21 so that, for example, the positions of the slit 160 and the projection 51 coincide with each other, and then the holding body 21 . The protrusion 51 is fitted into the core 30 of the roll member 20 together with the protection member 22 . Thereby, as shown in FIG. 14, the protection member 22 is interposed between the holding body 21 and the roll member 20, and the holding body 21 and the roll member 20 become non-contact.

Also in this example, since the protection member 22 can be interposed between the holding body 21 and the roll member 20, the contact between the holding body 21 and the roll member 20 is reduced, so that during conveyance, etc. Generation|occurrence|production of the abrasion powder of the holding body 21 can be reduced. In addition, since the protective member 22 is locally disposed in a portion adjacent to the holding body 21 and the roll member 20, the small and inexpensive protective member 22 can effectively reduce the generation of abrasion powder of the holding body 21 with the small and inexpensive protection member 22. can be reduced Moreover, since the protective member 22 is suppressed from contacting the film 31 of the roll member 20, the damage|damage of the film 31 and deterioration of quality are suppressed. In addition, the protective member 22 is not limited to a quadrangle, Another polygonal shape, a circular shape, or another shape may be sufficient as it. In addition, the hole 160a of the protection member 22 is not limited to being opened by the slit 160, A previously opened hole may be sufficient. The shape of the hole 160a of the protection member 22 is not specifically limited, A polygonal shape, a circular shape, etc. may be sufficient.

<Second embodiment>

15 : is a perspective view which shows an example of the protection member 200 in this embodiment. The protection member 200 can be installed on the outer peripheral surface 62 of the flat plate part 50 of the holding body 21, and can be interposed between the outer peripheral surfaces 62 comrades of the adjacent holding body 21 . In addition, the other structure of the holding body unit 10 and the assembly 1 of a holding body unit is the same as that of the said embodiment, and abbreviate|omits description.

The protection member 200 can be installed on the upper side surface 70 and the left side surface 73 which are a plurality of outer surfaces of the flat plate part 50 , for example. The protective member 200 has, for example, a first portion 210 having the same shape as the upper side surface 70 and covering the upper side surface 70 , and the left side surface 73 having the same shape as the left side surface 73 . It has a shape in which the second parts 211 covering the . The protection member 200 is bendable at the boundary 212 between the first part 210 and the second part 211 .

The 1st part 210 has the unevenness|corrugation according to the shape of the fitting part 100 of the upper side surface 70, and the fitting part 101 of the lower side surface 71, for example. The second part 211 has irregularities corresponding to the shapes of the fitting portion 110 of the right side surface 72 and the fitting portion 111 of the left side surface 73 . The first portion 210 is in close contact with the upper side 70 with the fitting portion 100 , and the second portion 211 is in close contact with the left side 73 with the fitting portion 111 .

The protective member 200 has a thickness of more than 40 µm, preferably 45 µm or more, and more preferably 50 µm or more and 400 µm or less. The thickness of the protective member 200 is preferably 80 µm or more and 100 µm or more from the viewpoint of moldability. The protective member 200 is made of resin, and is composed of, for example, PE, PP, PET, PS, ABS, HIPS, a mixture thereof, and the like. In addition, the protective member 200 may have adhesiveness.

And when the holding body unit 10 is arranged in the horizontal direction X or overlapped in the vertical direction Z, as shown in FIG. 16 , the protective member 200 is formed on the upper side surface 70 of the holding body 21 and It is installed on the left side (73). By doing in this way, for example, in the assembly|assembly 1 of the holding body unit shown in FIG. 17, the protection member 200 is interposed between all the holding bodies 21 of the some holding body unit 10. As shown in FIG.

According to this embodiment, since the protection member 200 can be interposed between the adjacent holding bodies 21, the contact between the holding bodies 21 is reduced, and abrasion of the holding bodies 21 at the time of conveyance etc. can reduce the occurrence of

Since the protection member 200 can be installed on the outer peripheral surface 62 of the flat plate part 50 so that the fitting parts 100 and 111 of the holding body 21 may be covered, the contact of the holding bodies 21 comrades is reliably ensured. can be reduced In addition, the protection member 200 does not need to cover the whole surface of each surface of the outer peripheral surface 62 of the flat plate part 50, For example, it may cover only the part with a fitting part.

Since the protection member 200 is configured to be installed on two or more side surfaces 70 and 73 of the flat plate part 50 , the installation operation of the protection member 200 can be simplified. Moreover, with the minimum number of the protection members 200, the protection member 200 can be interposed between all the holding bodies 21 comrades of the assembly|assembly 1 of a holding body unit.

Although the protective member 200 in this embodiment can be installed on the two surfaces 70 and 73 of the outer peripheral surface 62 of the holding body 21, even if it can be installed on the other two surfaces of the outer peripheral surface 62, do. For example, the protection member 200 may be installed on the upper side surface 70 and the right side surface 72 of the outer peripheral surface 62, and can be installed on the lower side surface 71 and the right side surface 72 or the left side surface 72. You can do it.

The protection member 200 may be installed on one surface of the outer peripheral surface 62 of the holding body 21 . For example, as shown in FIG. 18, the protection member 200 can be provided in the upper side surface 70 of the holding body 21, and only the upper side surface 70 may be covered. In this case, the protection member 200 has only the first part 210 .

In addition, the protection member 200 may be installed in three surfaces or four surfaces of the outer peripheral surface 62 of the holding body 21 . For example, the protection member 200 may cover the upper side surface 70, the right side surface 72, and the left side surface 73 of the holding body 21, as shown in FIG. In this case, in addition to the first part 210 and the second part 211 , the protection member 200 has a third part 213 covering the right side surface 72 . In addition, when the protection member 200 can be installed on the four surfaces of the outer peripheral surface 62, the protection member 200 becomes an annular shape of a rectangular frame, even if it has extensibility for attaching and detaching to the holding body 21. do.

The protective member 200 may be used together with the protective member 22 described in the first embodiment.

In the above first and second embodiments, the assembly 1 of the holding body unit may have a cover. In this case, for example, as shown in FIG. 20, the cover 240 is opposite to the top plate 250 which covers the top surface of the assembly 1 of holding body units, and the assembly 1 of holding body units. It has a side plate 251 which covers the two side surfaces. In the cover 240 , both ends 250a of the top plate 250 without the side plate 251 extend and are bent downward. Further, as shown in Fig. 21, the cover 240 has an end portion 250a without a side plate 251 in the top plate 250, and a side surface located on both sides of the end portion 250a in the horizontal direction X. The cushioning material 260 may be provided in the edge part 251a of the board 251. The cushioning material 260 is provided at the both ends of the front-back direction Y of the top plate 250 and the side plate 251. According to the cover 240, the sharp end 250a of the top plate 250 is not exposed. For example, when the entire assembly 1 of the holding body unit is covered with a wrap film or the like, the top plate is not exposed. It is possible to suppress tearing of the wrap film by the end 250a of the 250 . When the wrap film is torn, the force for fixing the assembly 1 of the holding body unit is reduced, and vibration between the holding bodies (units) during transportation increases, which leads to an increase in abrasion powder, which is undesirable. In addition, the cushioning material 260 may just be provided in the edge part 250a of the top plate 250 at least, and does not need to be provided in the edge part 251a of the side plate 251. Further, the end portion 250a of the top plate 250 may be subjected to a process for rounding the corner of the end portion 250a by heat or the like. Moreover, the process which rounds the corner of the edge part 251a may be given also to the edge part 251a of the side plate 251.

In the above, preferred embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to these examples. It is clear that those skilled in the art can imagine various changes or modifications within the scope of the spirit described in the claims, and it is understood that they naturally fall within the technical scope of the present invention.

For example, the shape and structure of the protection members 22 and 200 are not limited to the thing of the said 1st Embodiment or 2nd Embodiment. The shape and structure of the holding body 21 are not limited to those of the above embodiment. The shape of the flat plate part 50, the protrusion part 51, and the through-hole 52 is not limited to the said embodiment either. For example, although the through hole 52 is formed in the U-shape in the protrusion part 51 in the said embodiment, it may be formed so that it may penetrate the center of the protrusion part 51 so that the protrusion part 51 may become cylindrical. The shape and arrangement of the fitting portions 100 and 101 of the upper side 70 or the lower side 71 are not limited thereto. In addition, the shape and arrangement|positioning of the fitting parts 110 and 111 of the right side 72 and the left side 73 are not limited to this. The fitting portions 100, 101, 110, 111 may not be provided, and the fitting portions 100 and 101 may be present and the fitting portions 110, 111 may not be present. The leg portion 80 may also be omitted. Although the film 31 of the roll member 20 is not specifically limited, An insulating film, a sheet film for a protection use, an electrode film, a metal film, a columnar roll, etc. may be sufficient.

This invention is useful when reducing generation|occurrence|production of abrasion powder of a holding body, and suppressing contamination of a roll member by abrasion powder.

1: assembly of holding body unit
10: holding support unit
20: roll member
21: holding support
22: no protection
30: winding core
50: flat plate
51: protrusion
52: through hole
140: first part
141: second part

Claims (18)

A holding body having a flat plate portion, a protrusion protruding from the surface of the flat plate portion, and a through hole penetrating the protrusion portion and the flat plate portion, wherein the protrusion portion is inserted into the winding core of the roll member to protect the holding body for holding the roll member lack of protection,
It is configured to be interposed between the roll member and the holding body,
A protective member having an inner portion having a hole and an outer peripheral portion surrounding the inner portion. According to claim 1,
The inner part and the outer peripheral part are a film,
wherein the hole is a slit formed in the film. 3. The method of claim 2,
wherein the film has a polygonal shape or a circular shape. According to claim 1,
The inner portion covers at least a part of the outer periphery of the protrusion of the holding body, and is a first cylindrical portion having the hole,
The outer side portion is a second portion covering at least the periphery of the projection portion of the surface of the flat plate portion of the holding member. 5. The method of claim 4,
The said 1st part is comprised with respect to the said projection part, and the protection member is comprised so that it can fit freely. 6. The method according to claim 4 or 5,
and the second portion has an outer shape that fits within a surface of the surface of the flat plate portion. A holding body comprising a flat plate portion, a cylindrical projection protruding from the surface of the flat portion, and a through hole penetrating the projection and the flat portion, wherein the projection is inserted into the winding core of the roll member to hold the roll member. A protective member used for, and configured to be installed on the outer circumferential surface of the flat plate portion. 8. The method of claim 7,
The outer peripheral surface of the flat plate has a fitting portion for fitting with the other holding member,
The protection member may be installed on an outer peripheral surface of the flat plate portion so as to cover at least the fitting portion. 9. The method of claim 8,
The flat plate portion has a polygonal shape having three or more angles and has a plurality of side surfaces,
The protection member is configured such that it can be installed on one side surface or two or more side surfaces of the flat plate portion. 10. The method according to any one of claims 1 to 9,
The protective member has a thickness exceeding 40 μm. 11. The method according to any one of claims 1 to 10,
A protective member comprising a resin having a melting point of 100°C or higher, wherein the resin is polyethylene or contains a resin having no melting point. 12. The method according to any one of claims 1 to 11,
The protective member, wherein the surface of the holding body has a coefficient of kinetic friction of 0.60 or less. roll member,
A pair of holding bodies for holding the roll member;
The holding body unit provided with the protective member in any one of Claims 1-12. A plurality of holding unit units according to claim 13 are provided;
An assembly of holding unit units, wherein the holding unit units are arranged in at least one of top and bottom or left and right. 15. The method of claim 14,
A further cover is provided,
and the cover has a top plate that covers the top surface of the assembly of the holding body unit, and a side plate that covers two opposing side surfaces of the assembly of the holding body unit. 16. The method of claim 15,
An end of the top plate without the side plate extends and bends downward. 16. The method of claim 15,
An assembly of holding body units, wherein a cushioning material is provided at an end of the top plate without the side plate. 16. The method of claim 15,
An end of the top plate without the side plate is subjected to a process for rounding the corner of the end.

Images