JP3305482B2 - Film cutter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
Further, the present invention relates to a film cutter for cutting a film adhered across the groove on the second adhered surface at a portion corresponding to the groove.

[0002]

2. Description of the Related Art Conventionally, when a new car shipped from a factory is stored outdoors for a long period of time, discoloration that occurs on a painted surface of a vehicle body outer panel due to exposure to sunlight, salt, rain (acid rain), or the like. In order to prevent the occurrence of spots, stains and small scratches, a film made of a synthetic resin such as polyethylene is adhered to the surface of a vehicle body (for example, see Japanese Patent Application Laid-Open No. Hei 5-237935). Thus, when the film is applied between the hood and the front fender, or between the trunk lid and the rear fender, in order to enable the opening and closing operation of the hood or the trunk lid, between the hood and the front fender, or between the trunk lid and the rear fender. It is necessary to cut the film between them, and a cutter knife or the like is conventionally used for such cutting.

[0003]

However, if a cutter knife is used as in the above-mentioned conventional technique, there is a fear that the adhered surface on which the film is adhered, that is, the painted surface, may be damaged when the film is cut. There is a risk of injury from the knife blade.

The present invention has been made in view of such circumstances, and a film cutter capable of cutting a film at a portion corresponding to a groove while preventing damage to an adhered surface and ensuring the safety of workers. The purpose is to provide.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, a film adhered across the groove to the first and second surfaces to be interposed is provided. A film cutter for cutting at a portion corresponding to the groove portion, a gripper having an opposing surface straddling the film stuck to both adhered surfaces across the groove portion, and at least a cutting edge from the opposing surface. A blade body protruding and fixed to the holding body, and a guide connected to the holding body so as to be inserted into the groove and covering the protruding portion of the blade body from the opposing surface from both sides; A guide groove for guiding the film to the cutting edge is formed between the guide and the guide so that the cutting edge of the blade faces one end and the other end is opened toward one longitudinal side of the groove ; Is a support plate
And a cover plate to be superimposed on it,
The guide is sandwiched between the support plate and the cover plate and
It is characterized by being detachable from the holding body .

According to a second aspect of the present invention, in addition to the configuration of the first aspect, any portion of the cutting edge provided on the entire peripheral edge can face one end of the guide groove. The central part of the disk-shaped blade body rotatably supported on the holding body is fastened to the holding body with a screw member.

[0007]

An embodiment of the present invention will be described below with reference to the drawings.

FIGS. 1 to 7 show an embodiment of the present invention. FIG. 1 is a plan view of a vehicle body with a film attached, and FIG. 2 is a side view of the vehicle body with a film attached. 3 is a longitudinal sectional view of the film cutter in use, and FIG.
Fig. 5 is a front view of the film cutter,
FIG. 6 is a side view as viewed in the direction of arrow 6 in FIG. 5, and FIG. 7 is an exploded perspective view of the film cutter.

Referring first to FIGS. 1 and 2, an upper surface of a vehicle body V after completion of painting, that is, a hood 10 and left and right front fenders 11, 1 assembled in a vehicle manufacturing plant.
A film 15 made of a synthetic resin such as polyethylene is adhered to the upper portion of the vehicle 1, the roof 12, the trunk lid 13, and the upper portions of the left and right rear fenders 14, 14.

As shown in FIGS. 3 and 4, the outer surface of the hood 10 in a closed state, that is, the first attachment surface 10a in a painted state, and the upper outer surface of the front fender 11, that is, the painted surface are coated. 2nd adherend surface 1 in the state
There is a groove 18 between the first and second attachment surfaces 1a and 11a, and the film 15 straddles the groove 18 with the hood 10 closed. In order to enable the opening and closing operation of the bonnet 10, the film 15 needs to be cut between the bonnet 10 and the front fenders 11 and 11, that is, at a portion corresponding to the groove 18, and the cutting is performed according to the present invention. A film cutter 20 is used.

Referring to FIG. 5, FIG. 6 and FIG.
The film cutter 20 has a gripping body 21 having an opposing surface 21a opposing the film 15 stuck to the two adherend surfaces 10a, 11a across the groove 18, and a part of the cutting edge 22a protruding from the opposing surface 21a. A blade body 22 fixed to the gripping body 21 and a guide 23 that is inserted into the groove 18 so as to be connected to the gripping body 21 and covers the protruding portion of the blade body 22 from the facing surface 21a from both sides. .

The holding body 21 is a support plate 2 made of synthetic resin.
4 and a cover plate 25 made of a synthetic resin that has the same outer shape as the support plate 24 and is superimposed on the support plate 24. The cover plate 25 is held by an operator who cuts the film 15. It is formed in a substantially square shape to the extent that it can be obtained. That is, a plurality of, for example, four screw members 26 are inserted through the cover plate 25 and the support plate 24 from the cover plate 25 side, and nuts 27 (see FIG. 3) provided on the support plate 24 side are connected to the respective screw members 26. Screwed to the tip.

The blade body 22 is formed in a disk shape having a blade edge 22a on the entire outer peripheral edge thereof, and the blade body 22 is provided on the surface of the support plate 24 on the cover plate 25 side with the center axis thereof. An accommodation recess 29 is provided for accommodating rotation therearound. In addition, the inner side surface of the housing recess 29 exceeds 36 degrees by more than 180 degrees.
In order to protrude a part of the disk-shaped blade body 22 from the facing surface 21a, the disk-shaped blade body 22 is opposed to the outer peripheral edge of the blade body 22 as an arc extending over a central angle range of an angle of 0 ° or less.
An accommodation recess 29 is opened on one side surface of the support plate 24 forming a part of the facing surface 21a. At a substantially central portion of the accommodation concave portion 29, a square fitting concave portion 30 which is opened on the one side surface of the support plate 24 is provided.

The guide 23 has a thickness substantially corresponding to the depth of the fitting recess 30 from the housing recess 29 and has a square fitting plate 23a fitted into the fitting recess 30; The plate 24 has a thickness substantially corresponding to the depth of the fitting concave portion 30 from the surface facing the cover plate 25 and is integrally connected to the fitting plate portion 23a and from the facing surface 21a of the gripper 21. It has a projecting cover portion 23b and an arm portion 23c extending perpendicular to the fitting plate portion 23a and integrally connected to the cover portion 23b, and is formed in a substantially L-shape by a synthetic resin. Moreover, the plate thickness of the cover 23b and the arm 23c is
It is set so that it can be inserted into the groove 18.

One end of a cylindrical support shaft 33 penetrating the center of the blade body 22 is fixed to the fitting plate portion 23a of the guide 23, and the other end of the support shaft 33 is fitted with the fitting plate. A large-diameter cylindrical portion 33a for rotatably holding the blade body 22 is provided integrally with the portion 23a. That is, the blade body 22
The guide 23 is held by the guide 23 so as to be rotatable around the central axis. Moreover, the cover 23 b and the arm 23 c of the guide 23 are provided on the facing surface 2 of the gripper 21.
A sliding groove 32 for slidably fitting a part of the blade body 22 is provided so as to cover the protruding portion of the blade body 22 from 1a.

The support shaft 33 is provided with a screw hole 35 over the entire length thereof, and an insertion hole 36 facing one end of the support shaft 33 is provided in the support plate 24. Thus, the insertion hole 36
The screw 23 is screwed into the screw hole 35 and tightened, so that the guide 23 is fixed to the holding body 21 and the blade body 22 is fixed to the holding body 21. In a state where 37 is loosened, the blade body 22 is supported by the gripping body 21 so as to be rotatable around its central axis. Moreover, at the center of the cover plate 25,
A circular window 39 facing a part of the blade body 22 accommodated in the accommodation concave portion 29 and the large-diameter cylindrical portion 33a of the support shaft 33 is provided.

With the guide 23 fixed to the holding body 21, the arm 23c of the guide 23 and the opposing surface 21 of the holding body 21
a guide groove 31 for guiding the film 15 to the cutting edge 22a of the blade body 22 is formed so that the cutting edge 22a of the blade body 22 faces one end and the other end is opened. Is provided with an inclined surface 38 for smoothly guiding the film 15 into the guide groove 31.

Next, the operation of this embodiment will be described.
And the film 15 to be attached to the second attachment surfaces 10a and 11a is
In order to enable the opening and closing operation of the bonnet 10 by cutting between the portions 11 and 11, that is, at the portion corresponding to the groove portion 18,
While holding the gripping body 21 of the film cutter 20, the cover 23b and the arm 23c of the guide 23 are inserted into the groove 18 so that the film 15 is positioned in the guide groove 31, and the gripping body 21 is moved to the arm. The part 23c is moved toward the tip side. Then, the film 15 is guided by the cutting edge 22a facing one end of the guide groove 31, and the film 1
5 is cut along the groove 18 and the cutting edge 22 is cut.
a does not come into contact with the adherend surfaces 10a and 11a,
There is no fear that external damage will occur when the coated surfaces 10a and 11a are cut.

In the film cutter 20, a part of the cutting edge 22a protruding from the grip 21 is formed by a cover 23b and an arm 23 of a guide 23 connected to the grip 21.
Since the film cutter 20 is covered with c, there is no danger of the worker being injured by the blade edge 22a when handling the film cutter 20, and the film cutter 20 is safe.

Further, the blade body 22 is rotatable about its central axis and is supported by the holding body 21. By loosening the screw member 37, the blade body 22 is provided on the entire outer peripheral edge of the blade body 22. Since any part of the blade edge 22a can face one end of the guide groove 31, one blade body 22 can be used for a relatively long period of time, and the replacement work of the blade body 22 can be avoided as much as possible. As a result, work efficiency can be improved.

Moreover, the guide 23 is detachably fixed to the gripping body 21. By exchanging the guide 23, the film cutter 20 can be applied to various portions having different shapes of the groove portion 18. That is, a film cutter 20 that cuts the film 15 adhered to the first and second adhered surfaces 10a and 11a while straddling the groove 18 in the closed state of the hood 10, a trunk lid 13, and left and right rear fenders 14, And a film cutter 20 for cutting the film 15 between the upper portions of
3 can be different.

Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above embodiments, and various design changes can be made without departing from the present invention described in the appended claims. It is possible to do.

[0023]

As described above, according to the first aspect of the present invention, a gripping body having an opposing surface that straddles a film stuck to both adhered surfaces across a groove, and at least a cutting edge is attached to the opposing surface. A blade body protruding from the blade and fixed to the gripper, and a guide connected to the gripper so as to be insertable into the groove and covering the protruding portion of the blade body from the opposing surface from both sides. A guide groove for guiding the film to the cutting edge is formed between the surface and the guide, with the cutting edge of the blade body facing one end and the other end open toward one longitudinal side of the groove. By guiding the film with the guide inserted into the groove, the film can be easily cut at the part corresponding to the groove, and it is possible to prevent the applied surface from being damaged and to be injured by the operator. Prevention and safety It is possible to use. Also especially gripping
The body consists of a support plate and a cover plate
The guide is connected between the support plate and the cover plate.
And can be attached to and detached from the gripper.
By changing the guide, various shapes with different groove shapes
A film cutter can be applied to the part.

According to the second aspect of the present invention, in addition to the configuration of the first aspect, any portion of the cutting edge provided on the entire peripheral edge can face one end of the guide groove. Since the center of the disk-shaped blade body rotatably supported by the gripper is fastened to the gripper with a screw member, the blade body is rotated with the screw member loosened, thereby guiding the blade body. The blade can be used for a relatively long time by allowing any part of the blade to be appropriately arranged at one end of the groove, and replacement of the blade can be avoided as much as possible, contributing to improved work efficiency. Can be.

[Brief description of the drawings]

FIG. 1 is a plan view of a vehicle body with a film attached.

FIG. 2 is a side view of the vehicle body with a film attached.

FIG. 3 is a longitudinal sectional view of a film cutter in a use state.

FIG. 4 is a sectional view taken along line 4-4 in FIG. 3;

FIG. 5 is a front view of a film cutter.

FIG. 6 is a side view of FIG.

FIG. 7 is an exploded perspective view of a film cutter.

[Explanation of symbols]

10a, 11a: adhered surface 15: film 18: groove 20: film cutter 21: gripping body 21a: facing surface 22: blade 22a: blade tip 23 ..Guide 24 Support plate 25 Cover plate 31 Guide groove 37 Screw

Claims (2)

(57) [Claims] 1. A film (15), which is attached across the groove (18), to first and second surfaces (10a, 11a) interposed by the groove (18). A film cutter for cutting at a portion corresponding to the film (1), wherein the film (1) adhered to both adhered surfaces (10a, 11a);
Opposing surface (21a) that faces 5) across the groove (18).
(21) having at least a cutting edge (22a)
Is made to protrude from the facing surface (21a) so that the gripper (21)
And a guide which is inserted into the groove (18) and is fixed to the holding body (21) and covers the protrusion from the opposing surface (21a) of the blade (22) from both sides. (23), and a film (1) is provided between the opposing surface (21a) of the gripper (21) and the guide (23).
5) A guide groove (31) for guiding the cutting edge (22a) to the cutting edge (22a).
But the formed open towards one longitudinal side of the other end the groove causes face the cutting edge (22a) of the blade (22) at one end (18), grippers (21), the support Board
(24) and the cover plate (25) superimposed on it
The guides (23) are connected to each other,
(24) and sandwiched between the cover plate (25) and gripped
A film cutter detachable from a body (21) . 2. A disk-like shape rotatably supported by a gripping body (21) so that any part of a cutting edge (22a) provided on the entire peripheral edge can face one end of a guide groove (31). 2. The film cutter according to claim 1, wherein the center of the blade body is fastened to the holding body with a screw member.