JP2003266386A - Punching device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To miniaturize a punching device for automotive interior material or the like. <P>SOLUTION: This punching device is a device for forming, in mutually spaced and opposed positions of a sheet-like member of automotive interior material, e.g. a tonneau board 1, a pair of mounting holes 3 and 4 for mounting the tonneau board 1 on an intended site, e.g. a car body 5. This device comprises a pedestal part 13 for setting the tonneau board 1 on a device table 11 while holding a space part 12; a cylinder mechanism 14 set on the device table 11 in a state opposed to the lower part of the tonneau board 1 in the space part 12; and a pair of piercing edges 15 and 16 installed to the cylinder mechanism 14 to pierce the mounting holes 3 and 4 in the tonneau board 1 by the operation of the cylinder mechanism 14. The piercing edges 15 and 16 are installed to the cylinder mechanism 14 so as to pierce the mounting holes 3 and 4 from the inside of the space part 12 to the outside of the tonneau board 1, respectively. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a punching device which forms a pair of holes at positions where plate-like members are spaced apart from each other and face each other.

In general, a plate member such as an automobile interior material, for example, a tonneau board 1 has a substantially rectangular shape as shown in FIG. 1, and a vertical wall flange portion 2 is bent and formed on the outer peripheral portion thereof. A pair of holes, mounting holes 3 and 4, are formed in the vertical wall flange portion 2 at positions facing each other and spaced from each other, and the mounting holes 3 and 4 are provided so as to project from the vehicle body 5, which is the mounting site. It is attached to the vehicle body 5 by being fitted to the support shaft 5.

Then, it is necessary to form the mounting holes 3 and 4 in the vertical wall flange portion 2 of the molded tonneau board 1 by using a punching device.

[0004]

2. Description of the Related Art Conventionally, as this type of punching device, for example, the one shown in FIGS. 15 and 16 has been known.

FIG. 15 is a partially sectional front view of a conventional punching device in a non-actuated state, and FIG. 16 is a partially sectional front view of the conventional punching device in an actuated state.

According to FIGS. 15 and 16, a plurality of columns b are erected on a floor surface a of a factory or the like so as to be spaced apart from each other.
A device table c is fixedly mounted on the device table c, and a pair of cylinder devices d and e are mounted on the device table c in a state of being separated from each other.

The device table c between the cylinder devices d and e is provided with a pedestal part g for forming a space part f for setting the tonneau board and setting it on the device table c. It is positioned so as to cover the side part of the pedestal part g.

Piercing blades h and i are attached to the cylinder devices d and e so as to face the vertical wall flange portion 2 of the tonneau board 1, and the cylinder devices d and e can be removed from the state shown in FIG. 16, the pierce blades h, i are advanced inward from the outside of the tonneau board 1, and are positioned at positions facing each other in the vertical wall flange portion 2 so as to face each other, as shown in FIG. k is provided.

[0009]

In the prior art configured as described above, the pair of cylinder devices d and e are mounted on the device table c so as to be outside the pedestal part g. Therefore, the outside of the pedestal portion g of the device table c has to be extended by that amount, and the size of the device is accordingly increased.

Therefore, the present invention has been devised in view of the above point, and it is an object of the present invention to provide a punching device which is designed to be downsized.

[0011]

In order to achieve the above-mentioned object, the present invention is a punching device for forming a pair of holes in a plate-shaped member at positions opposed to each other, the plate-shaped member being mounted on a device table. A pedestal part having a space part for setting, a cylinder mechanism installed on the device table in a state of being placed opposite to the plate member lower part in the space part, and mounted on the cylinder mechanism to act on the plate member to the plate member. It is configured by a pair of piercing blades that respectively form a pair of holes.

According to the present invention, the device table is extended for mounting the cylinder mechanism by disposing the cylinder mechanism in the space formed between the plate member formed by the pedestal portion and the device table. No longer needed
As a result, downsizing of the entire device can be achieved.

The pair of piercing blades according to the present invention are
When the cylinder mechanisms are mounted so that holes are bored from the inside of the space toward the outside of the plate-like member, the installation location of the pierce blade itself is also housed within the space, and the entire device is increasingly being used. Will contribute to the miniaturization of.

The pair of piercing blades according to the present invention are
When the holes are drilled from the outside of the plate-shaped member toward the inside of the space, the piercing blades are located outside the pedestal, and the piercing blades need to be replaced. It will be easier to do. Further, burrs generated around the holes do not occur on the back side of the product and are not exposed on the surface side of the product, so that the appearance of the product is improved.

Further, when the cylinder mechanism of the present invention is composed of a pair of cylinder devices, and each cylinder device is equipped with a piercing blade, the cylinder device itself can be miniaturized.

Further, the cylinder mechanism of the present invention is constituted by a single cylinder device, and a pair of piercing blades are formed in the cylinder device so that each of the piercing blades forms a hole from the outside to the inside of the plate member. The cylinder device is arranged inside the space, which also contributes to downsizing of the entire device.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing a state in which a tonneau board as a plate member in a general automobile is attached to a vehicle body,
2 is a sectional view taken along line AA of FIG.

According to FIGS. 1 and 2, the tonneau board 1 is
It is formed to cover the upper part of the luggage room 8 at the rear part of the rear seat 7 in the passenger compartment, and as shown in FIG. The wall flange portion 2 is formed by bending, and a pair of holes, for example, mounting holes 3 and 4 are formed at positions where the vertical wall flange portion 2 is separated and opposed to each other, and the mounting holes 3 and 4 are formed. It is attached to the vehicle body 5 by being fitted to the support shaft 5 protruding from the side wall (luggage side trim) of the vehicle body 5 that is the attachment site.

The mounting holes 3 and 4 are formed by making holes in the tonneau board 1 after molding, using a punching device described below.

Next, a punching device adopting the first embodiment of the present invention will be described with reference to FIGS.

FIG. 3 is a front view in which a schematic outline of a non-operating state of the punching device adopting the first embodiment of the present invention is shown in a partial cross section, and FIG. 4 is an enlarged view of a main part in FIG. FIG. 5 is a partially enlarged front view showing a partially cross-sectional view, and FIG. 5 is a partially enlarged front view also showing a partially cross-sectional view during operation.

According to FIGS. 3 to 5, the perforating apparatus 10 adopting the first embodiment is fixedly mounted on a plurality of columns 10a which are erected on the floor surface 9 of a factory or the like so as to be spaced apart from each other. The device table 11 and the tonneau board 1 which is a plate-shaped member installed on the device table
2 and a pedestal 13 for setting, and a device table 11
Of the tonneau board attached to the end portion of the tonneau board via the hinge 31, the cylinder mechanism 14 installed on the device table 11 in a state of being opposed to the lower portion of the tonneau board 1 in the space 12, and attached to the cylinder mechanism 14. The tonneau board 1 is constituted by a pair of piercing blades 15 and 16 for punching a pair of mounting holes 3 and 4, respectively, by the operation of the cylinder mechanism 14.

The cylinder mechanism 14 is composed of a pair of cylinder devices 14a and 14b.
4c is interposed and is accommodated in the space portion 12,
It is installed on the device table 11.

The piercing blades 15 and 16 are mounted on the cylinder devices 14a and 14b so that they can be moved back and forth in the direction along the mounting table 11 (that is, in the horizontal direction).

The tonneau board 1 is set on the pedestal portion 13 with the vertical wall flange portion 2 positioned so as to cover the outer peripheral side portion of the pedestal portion 13 (state shown in FIG. 4). In this state, the piercing blades 15 and 16 are retracted inside the lateral guide hole 13a formed in the pedestal portion 13.

From this state, the cylinder device 14a
When (a4b) is actuated and the pierce blades 15 and 16 are advanced from the cylinder devices 14a and 14b in the direction of the space 12 respectively, the pierce blades 15 and 16 are moved to the lateral guide hole 13
While being guided by a, it goes toward the vertical wall flange portion 2 side of the tonneau board 1 and further advances to the vertical wall flange portion 2 as shown in FIG. 5, from the inside of the tonneau board 1 to the outside,
The mounting holes 3 and 4 will be drilled. At this time, since the outside of the tonneau board 1 is pressed by the holding portion 32, the tonneau board 1 is advanced by the advance of the piercing blades 15 and 16.
Does not move out and escape.

After that, the cylinder devices 14a and 14b are
The piercing blades 15 and 16 will be retracted.

In the first embodiment configured as described above, the pair of cylinder devices 14a and 14b are provided with a space formed between the device table 11 below the tonneau board 1 formed by the pedestal part 13. By disposing the device table 11 inside the cylinder device 12,
Since it is not necessary to extend for mounting a and 14b, it is possible to reduce the size of the entire device by this amount.

Further, the pair of piercing blades 15 and 16 are attached to the cylinder devices 14a and 14b so as to form the mounting holes 3 and 4 from the inside of the space 12 toward the outside of the tonneau board 1, respectively. After all, it is housed in the space 12 and contributes to the downsizing of the entire device.

FIGS. 6 to 8 show a second embodiment according to the present invention, and FIG. 6 is a partial cross-sectional view of the outline of the non-operating state of the punching device according to the second embodiment. FIG. 7 is a partially enlarged front view in which a main part in FIG. 6 is enlarged and a partial cross section is drawn, and FIG. is there.

According to the second embodiment shown in FIGS. 6 to 8, the cylinder device 14 is the same as the first embodiment.
Although a and 14b are installed on the mounting table 11 in the space 12, the piercing blades 15 and 16 are the same.
However, with the crank mechanism 20 interposed, the cylinder device 14
They are mounted on the operating shafts 14d and 14e of a and 14b, and are different in that mounting holes 3 and 4 are bored from the outer side to the inner side of the vertical wall flange portion 1a of the tonneau board 1. When the hole is formed from the outside of the tonneau board, the pedestal portion 13 functions as a pressing portion.

Therefore, when the mounting holes 3 and 4 are formed in the vertical wall flange portion 1a, the cylinder devices 14a and 14b pull in the operating shafts 14d and 14e from the state shown in FIG. Piercing blades 15 and 16 are pulled in toward the central portion of the mounting table 11, and from the outside to the inside of the vertical wall flange portion 1a,
The mounting holes 3 and 4 are formed.

9 and 10 show a third embodiment according to the present invention. FIG. 9 is an enlarged front view of an essential part in a non-operating state, and FIG. 10 is a main view in the same operating state. It is the front view which expanded and drawn the part.

According to FIGS. 9 and 10, in the third embodiment, the crank mechanism 20 in the second embodiment has the pedestal portion 13 although the operating shafts 14d and 14e are divided into two parts. The difference is that they are jointed by a link piece 21d that is pivotally attached, but from the outside to the inside of the vertical wall flange portion 1a of the tonneau board 1, the mounting holes 3,
4 is the same as the point of drilling.

FIGS. 11 and 12 show a fourth embodiment according to the present invention. FIG. 11 is a partial cross-sectional view of the non-operating state of the punching device according to the fourth embodiment. The front view drawn is shown in FIG. 12, and the front view shown in FIG.

According to FIGS. 11 and 12, the cylinder mechanism 14 is composed of a single cylinder device 14x, and the forward / backward movement of the cylinder device 14x is intervened by a single crank mechanism 21 to pierce the blades 15, 16 To the mounting holes 3, 4
Is different from the above two embodiments. When the hole is formed from the outside of the tonneau board, the pedestal portion 13 functions as a pressing portion.

The crank mechanism 20 is a cylinder device 14x.
Transmission shaft 20a branched from the operating shaft 14f in the left and right directions
And the piercing blade 1 directly connected to one side of the transmission shaft 20a.
C-shaped clamp body 21b for mounting and holding 5, and the transmission shaft 2
0a is connected to the other side via a link piece 20c and is configured with a U-shaped clamp body 20b for mounting and holding the piercing blade 16.

Since the cylinder device 14x is provided with the transmission shaft 20a and the like, it has a recess 11a formed in the device table 11.
It is installed inside.

Therefore, when the operating shaft 14f of the cylinder device 14x is advanced in the direction of the arrow in FIG.
Similarly, one of the U-shaped clamp bodies 21b operates in the direction of the arrow via a, pulls the piercing blade 15 inward from the outside of the side wall flange portion 2 to form the mounting hole 3, and transmits the transmission hole. When the link piece 20c rotates in the direction of the arrow a shown in FIG. 12 in response to the operation of the shaft 20a in the direction of the arrow, the U-shaped clamp body 20b rotates in the direction of the arrow c opposite to the direction of the arrow b to pierce. The blade 16 is pulled inward from the outside of the side wall flange portion 2 to form the mounting hole 4.

According to the above construction, the cylinder mechanism 14 is constituted by a single cylinder device 14x, and the pair of piercing blades 14 and 15 are provided in the cylinder device 14x from the outside to the inside of the side wall flange portion 2 of the tonneau board 1. It is configured such that the crank mechanism 20 is interposed so as to drill the mounting holes 3 and 4 toward the single cylinder device 14
Since x is arranged in the space 12, the number of cylinders can be reduced, the unit price of the entire device can be reduced, the product cost can be reduced, and the competitiveness can be improved.

13 and 14 show a fifth embodiment according to the present invention, and FIG. 13 is a partial cross-sectional view of the non-operating state of the punching device according to the fourth embodiment. Similarly, the drawn front view is shown in FIG.

13 and 14, it is the same as the fourth embodiment in that the cylinder mechanism 14 is composed of a single cylinder device 14x, but the structure of the crank mechanism 20 is different.

That is, the crank mechanism 20 has a pair of swing shafts 20d, one end of which is swingably connected to the operating shaft 14g of the cylinder device 14x, and the other end of which is the swing shaft 20g.
Link piece 20e swingably connected to the other end of d
And a U-shaped clamp body 20b pivotally connected to the other end of the link piece 20e. When the hole is formed from the outside of the tonneau board, the pedestal portion 13 functions as a pressing portion.

Therefore, when the operating shaft 14g of the cylinder device 14x is advanced to the upper side in FIG. 13, the swing shaft 20d rotates downward about the node connecting point with the operating shaft 14g, and as a result, the link piece 20e is moved. The side wall flange portion 2 is rotated inward from the outside around the pivot point with the pedestal portion 13, and the piercing blade 16 is pulled inward from the outside of the side wall flange portion 2 to form the mounting hole 4. Will be done.

According to the above construction, the cylinder mechanism 14 is constituted by a single cylinder device 14x, and the pair of piercing blades 14, 15 are provided in the cylinder device 14x from the outside to the inside of the side wall flange portion 2 of the tonneau board 1. It is configured such that the crank mechanism 20 is interposed so as to drill the mounting holes 3 and 4 toward the single cylinder device 14
Since x is arranged in the space 12, the number of cylinders can be reduced, the unit price of the entire device can be reduced, the product cost can be reduced, and the competitiveness can be improved.

In the above description, the tonneau board 1 which is one of the interior parts for automobiles has been described as an example of the plate member. However, the plate member is not limited to this, and other plate members having the same structure are used. The present invention can also be applied to products.

[0048]

As described above, according to the present invention,
By arranging the cylinder mechanism in the space formed between the plate-shaped member formed by the pedestal and the device table, it is not necessary to extend the device table for mounting the cylinder mechanism. Can be achieved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a tonneau board as a plate-shaped member in a general automobile is attached to a vehicle body.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a front view in which an outline of a non-operating state of the punching device adopting the first embodiment according to the present invention is partially sectioned and drawn.

FIG. 4 is a partially enlarged front view in which a main portion in FIG. 1 is enlarged and a partial cross section is drawn.

FIG. 5 is a partially enlarged front view of the same operation which is partially cross-sectionally drawn.

FIG. 6 is a front view in which an outline of a non-operation state of a punching device according to a second embodiment of the present invention is partially sectioned and drawn.

FIG. 7 is a partially enlarged front view in which a main part in FIG. 6 is enlarged and a partial cross section is drawn.

FIG. 8 is a partially enlarged front view of the same operation, which is partially sectioned and drawn.

FIG. 9 is a front view showing an enlarged main part of a punching device according to a third embodiment of the invention when the punching device is not in operation.

FIG. 10 is likewise a front view showing an enlarged main part during operation.

FIG. 11 is a front view in which an outline of a non-operation state of a punching device according to a fourth embodiment of the present invention is partially sectioned and drawn.

FIG. 12 is likewise a front view showing a partial cross-section during operation.

FIG. 13 is a front view of the punching device according to the fifth embodiment of the present invention, in which a schematic outline of a non-operating state is shown with a partial cross section.

FIG. 14 is likewise a front view showing a partial cross-section during operation.

FIG. 15 is a front view in which the outline of a non-operating state of a conventional punching device is partially sectioned and drawn.

FIG. 16 is likewise a front view showing a schematic cross-section in partial operation.

[Explanation of symbols]

1 Tono board (plate member) 3,4 mounting holes 5 Body (attached part) 11 Device table 12 Space Division 13 pedestal 14 Cylinder mechanism 14a, 14b Cylinder device 15,16 piercing blade

Claims (5)

[Claims] 1. A plate-shaped member is provided at a position opposed to and spaced from each other,
A punching device for forming a pair of holes, comprising: a pedestal part for setting the plate-like member with a space part in the device table; and the device table in a state of being placed opposite the plate member lower part in the space part. And a pair of piercing blades mounted on the cylinder mechanism and piercing the pair of holes in the plate member by the operation of the cylinder mechanism. 2. The pair of piercing blades are attached to the cylinder mechanism so as to perforate the hole from the inside of the space toward the outside of the plate-shaped member, respectively. Perforator. 3. The pair of piercing blades are attached to the cylinder mechanism so as to perforate the mounting hole from the outside of the plate member toward the inside of the space. The punching device described. 4. The punching device according to claim 2, wherein the cylinder mechanism is composed of a pair of cylinder devices, and the piercing blades are attached to the respective cylinder devices. 5. The cylinder mechanism is composed of a single cylinder device, and the pair of piercing blades in the cylinder device respectively perforate the holes from the outside to the inside of the plate-shaped member. The punching device according to claim 3, wherein the punching device is mounted via a crank mechanism.