JP2552217Y2 - Punching device for gap adjusting plate - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for punching a gap adjusting plate for adjusting a gap or an assembly error between machine parts or parts to be assembled.

[0002]

2. Description of the Related Art When assembling mechanical parts and parts, a gap adjusting plate for adjusting a gap and an assembly error is used. In general, the gap adjusting plate is distinguished by using a shim having a plate thickness of 1 mm or less as a shim and a spacer having a plate thickness of 1 mm or more as a spacer.

[0003] When the gap adjusting plate has a tightening bolt in an assembling portion sandwiching the gap adjusting plate, a plurality of cutout holes having a single or predetermined pitch through which the bolt is inserted are provided.

[0004]

In order to manufacture a gap adjusting plate requiring the above-mentioned notch, a scribe line of the notch is made on a material, a hole is made with a drilling machine, and a cut is made with a straight line parallel to the width of the hole diameter. The material is cut to predetermined dimensions.

[0005] The cutout hole may be a single hole or a plurality of holes having different pitches, and may have various lengths.
Therefore, in order to manufacture a high-precision product, a large number of manufacturing steps are required for simple components, and in order to produce a high-precision product, skill is required, and there is a problem in mass productivity. .

SUMMARY OF THE INVENTION An object of the present invention is to provide an apparatus for punching a gap adjusting plate which solves such a conventional problem.

[0007]

According to the present invention, there is provided an apparatus for punching and manufacturing a gap adjusting plate having a single or a plurality of notches having a desired pitch in a plate. A fixed die having an elliptical punched hole, an elliptical punch capable of moving up and down with respect to the die and corresponding to the punched hole, and fixedly disposed on one side of the die, the punching being performed. A material guide base extending in a direction orthogonal to the longitudinal direction of the hole and having a first guide groove facing a substantially central portion of the punched hole and a second guide groove facing a terminal portion of the punched hole; It is arranged on the other side of the die so as to be able to advance and retreat at a predetermined pitch with respect to the die, and has a groove provided on the same line as the first and second guide grooves, and a reference pin protruding from the groove. Material positioning base, Serial reference hole to be fitted to the reference pins are opened in various dimensions position than the plate edge, it is made of a plurality of positioning reference plate to be set in the groove.

[0008]

With the above arrangement, when it is necessary to trim the ends of the material, the positioning reference plate applied to trim the ends of the material in the material positioning base corresponds to the first guide groove of the material guide base. It is set by engaging with the reference pin of the concave groove. On the material guide base side, the material is set in the first guide groove facing the substantially central portion of the punched hole, and the end of the material is brought into contact with the plate end of the positioning reference plate. After making contact and positioning, the punch is lowered. As a result, the material is cut straight at substantially the center of the elliptical punch and punched hole, and the ends of the material are trimmed.

In addition, a positioning reference plate having a cutout hole size is engaged with a reference pin and set in a concave groove of the material positioning base corresponding to the second guide groove of the material guide base.

[0010] Then, the material is set in the second guide groove of the material guide base, the end thereof is brought into contact with the positioning reference plate, and the punch is lowered and punched. In this case, since the material is punched by the elliptical punch and the end of the punched hole, the cutout hole having the arc portion is punched.

When punching a plurality of cutout holes, a positioning reference plate having a punching position dimension of a predetermined pitch is set in a concave groove of a material positioning base, the material punched out of the cutout holes is positioned, and the punch is moved down to the next position. It is obtained by punching out a notch hole.

The positioning of the material can be synergistically achieved by positioning the material positioning base forward and backward at a predetermined pitch with respect to the die in addition to the positioning reference plate.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a metal plate material such as brass;
Reference numeral 2 denotes a gap adjusting plate having two notched holes manufactured by the present invention.

FIG. 2 is an overall view of the device of the present invention. In FIG. 2, reference numeral 10 denotes a machine base, and 10a denotes a support base horizontally fixed on the machine base 10. This support base 10
As shown in FIG. 3, an elliptical punched hole 1
The die 11 having 2 is fixed.

Reference numeral 17 denotes a column fixed to the machine base 10. The column 17 includes a lifting cylinder 18 and a plate 19 which is moved up and down by the lifting cylinder 18.
A punch 20 provided on the plate 19, and the punch 20 has an elliptical shape corresponding to the punched hole 12 of the die 11. Reference numeral 21 denotes a hydraulic pump for the lifting cylinder 18.

The die 11 on the support base 10a
A material guide base 13 is fixedly provided on one side.
As shown in FIG. 3, the material guide base 13 extends in a direction perpendicular to the longitudinal direction of the punched hole 12 of the die 11, and has a first guide groove 13 a facing a substantially central portion of the punched hole 12. Two second guide grooves 13b and 13c are provided to face both ends of the punched hole 12, respectively. These first and second guide grooves 13a, 13b, 13c
The groove width dimension is substantially the same as the width of the material 1 in FIG.

Further, the die 1 on the support base 10a
A material positioning base 14 is disposed on the other side of the die 1 so as to be able to advance and retreat at a predetermined pitch with respect to the die 11. The detailed configuration will be described with reference to FIG. The material positioning base 14 is fixed on a slide base 15 that moves forward and backward with respect to the die 11 on the support base 10a. The support base 10a has, for example, positioning holes 23a of Nos. 1 to 6 having a 10 mm pitch and 7 to
A twelfth locating hole 23b is formed. The slide base 15 has a locating pin 16a which engages with the first to sixth locating holes 23a and a seventh to twelfth positioning holes 2a.
3b is provided with a positioning pin 16a that engages with 3b.

The material positioning base 14 fixed on the slide base 15 has the first and second guide grooves 1.
3a, 13b, 13c and the concave grooves 14a, 14
b, 14c are provided, and the concave grooves 14a, 14b, 14
Reference pins 22 protrude from each of the reference symbols c .

In FIG. 3, reference numerals 24a to 24c denote positioning reference plates fitted in the concave grooves 14a, 14b, 14c, and a reference hole 25 is formed in the reference pin 22 to be fitted. This reference hole 25 is located at various dimensions L from the plate edge.
1 to L3. example
For example, the dimension position L1 of the positioning reference plate 24a is 30 mm,
The dimension position L2 of the positioning reference plate 24b is 27.5 mm,
The dimension position L3 of the positioning reference plate 24c is 25 mm.
You.

Next, the procedure of punching the gap adjusting plate by the apparatus of the present invention will be described. In the device of the present invention, a gap adjusting plate 2 having a single cutout hole 3 as shown in FIG. 4 and a gap adjusting plate 2 having a double cutout hole 2 as shown in FIG. 5 can be manufactured. Although not shown, a gap adjusting plate having three or more notched holes can be manufactured. The first
The end of the material 1 set in the guide groove 13a is slanted.
Cutting and U-shaped notch 3
Used for cutting at regular intervals after punching,
The material 1 set in the second guide groove 13b or 13c is
It is used for punching a U-shaped cutout hole 3. And before
The cutting is performed directly on the material guide base 13 side of the punched hole 12.
The terminal cut at the line edge is the reference, and at regular intervals
Is a straight line on the slide base 15 side of the punched hole 12.
The terminal cut at the edge portion is used as a reference.

Therefore, a case of manufacturing the gap adjusting plate 2 having the single cutout hole 3 shown in FIG. 4 will be described. First, the gap adjusting plate 2 shown in FIG.
Is 10 mm from the center to the end face of the gap adjusting plate 2.
mm. That is, the hole width of the notch hole 2 is 10 m.
m, and the plate width on both sides of the notch hole 2 is 5 mm.
You. In manufacturing the gap adjusting plate 2 having such a dimensional relationship, the positioning pin 16a is connected to one of the positioning holes 23a.
The position of the slide base 15 is determined by engaging with the slot. If the end of the material 1 is cut obliquely and needs to be trimmed, the dimensional position L1 of the reference hole 25 is 3 in the concave groove 14a and the concave groove 14b or 14c of the positioning base 14.
A 0 mm positioning reference plate 24 a is fitted and set on the reference pin 22. The slide base 15 is the positioning pin
16a is engaged with No. 1 hole of positioning hole 23a for positioning.
And the grooves 14a and 14b of the positioning base 14 or
14c, the position L1 of the reference hole 25 is 30 mm.
When the reference plate 24a is set by fitting to the reference pin 22
When the die 11 strikes from the reference end face of the positioning reference plate 24a,
The distance to the center of the punched hole 12 is set to 10 mm
You.

First, the material 1 is transferred to the material guide base 1.
3 is set in the first guide groove 13a and the end face is set in the concave groove 14a.
The punch 20 is moved downward by contacting the positioning reference plate 24a. As a result, the material 1 is placed in the punched hole 12 of the die 11.
And the end of material 1 is cut straight. This arrangement
As described above, the cut end is a material guide for the punched hole 12.
The terminal cut at the straight edge part on the base 13 side is the reference
Become. That is, from the reference end surface of the positioning reference plate 24a
10 mm of the distance to the center of the punched hole 12 of the die 11
From the center of the punched hole 12 to the material guide base 13 side.
Cut off at 15mm dimension, convenient for 5mm of straight edge part
Leave and be cut off.

The material 1 whose end has been cut is set in the second guide groove 13b or 13c, and is set in the concave groove 14b or 1c.
The punch 20 is moved downward by abutting the positioning reference plate 24a set at 4c. Thereby, the material 1
Is punched at the end of the punched hole 12 of the die 11, and U
A letter-shaped notch 3 is formed. That is, the concave groove 14a and
Same positioning reference set in groove 14b or 14c
Even the plate 24a is cut and removed at the size of 15 mm.
Position where trimmed terminal is set in concave groove 14b or 14c
When it comes into contact with the reference plate 24a, it is cut and removed.
Is the reference and the position is shifted by 15 mm
Is decided. Therefore, the material 1 is the punched hole 1 of the die 11.
2 is located on the terminal portion and the reference of the positioning reference plate 24a.
Distance 1 from end face to center of punched hole 12 of die 11
A U-shaped cutout hole 3 is punched at 0 mm. Material 1
If your device is ready and does not require trimming,
U-shaped notch set in guide groove 13b or 13c
3 and the process proceeds to the next step.

Next, the reference hole 25 is set in the concave groove 14a by exchange with a positioning reference plate 24c having a dimension L3 of 25 mm, and the positioning pin 16a is inserted into the second hole of the positioning hole 23a.
The engagement determines the position of the slide base 15. Then, the material 1 in which the notch hole 3 is formed is again transferred to the first guide groove 13.
The punch 20 is moved down by setting the end face to the positioning reference plate 24c. As a result, the material 1 is cut in a straight line, and the gap adjusting plate 2 having the dimensional relationship shown in FIG. 4A is manufactured. That is, the cutting of the material 1 in this case is
Straight edge of punched hole 12 on slide base 15 side
Cut in minutes. Therefore, L1 is a positioning base of 30 mm.
The dimension L3 which is 5mm shorter than the reference plate 24a is about 25mm
Position the positioning reference plate 24c and the positioning pin 16a in the positioning hole.
Slide bar that has been retracted by 10 mm by engaging the second hole of 23a
The positioning reference plate 24c is punched by the base 15
The distance from the center of the hole 12 is 25 mm.
Slide base 15 side about 5mm from the center of punched hole 12
Because it is the straight edge of the punched hole 12
Material 1 is 20 mm from the reference end face of positioning reference plate 24c.
It is cut in the dimensions of.

If the total length of the gap adjusting plate 2 and the dimension from the center of the notch hole 2 to the end face of the gap adjusting plate 2 are variously different as shown in FIGS. It can be manufactured by appropriately adjusting and setting the positions of the fifteen positions according to the dimensions, and selecting and using predetermined positioning reference plates 24a to 24c in a required dimensional relationship.

A case of manufacturing the gap adjusting plate 2 having two notches 3 in FIG. 5 will be described. FIG. 5 (A)
The gap adjusting plate 2 has a total length of 35 mm, and each notch hole 2 has a dimension from the center thereof to each end face of the gap adjusting plate 2 of 10 mm.
The pitch between the centers of the notches 2 is 15 mm.
In manufacturing the gap adjusting plate 2 having such a dimensional relationship, the positioning pin 16a is engaged with the first hole of the positioning hole 23a to determine the position of the slide base 15.
When the end of the material 1 is cut obliquely and needs to be trimmed, the dimensional position L1 of the reference hole 25 is 30 m in the concave groove 14 a and the concave groove 14 b or 14 c of the positioning base 14.
The m positioning reference plate 24a is fitted and set on the reference pin 22.

In this case as well, the material 1 is set in the first guide groove 13a of the material guide base 13 in the same manner as described above, and the end face is brought into contact with the positioning reference plate 24a of the concave groove 14a and the punch 2
Move down 0. As a result, the material 1 is hit with the die 11
The material 1 is cut at the hole 12 and the end of the material 1 is cut straight.

The material 1 which has been cut at the end is set in the second guide groove 13b or 13c, and is set in the concave groove 14b or 1c.
The punch 20 is moved downward by abutting the positioning reference plate 24a set at 4c. Thereby, the material 1
Is punched at the end of the punched hole 12 of the die 11 to form the U-shaped cutout hole 3 on the right side of FIG.

Next, a positioning reference plate 24c having a dimensional position L3 of 25 mm of the reference hole 25 is fitted to the reference pin 22 and set in the concave groove 14b or 14c, and the end of the material 1 in which the one notch hole 2 is formed is set. And abut the punch 2
By moving down 0, U-shaped cutout holes 3 on the left side in FIG. 5A are formed at a pitch of 15 mm.

Thereafter, the material 1 is set in the first guide groove 13a, and the U-shaped cutout hole 3 on the right side in FIG.
a to be positioned by engaging with the reference pin 22 of FIG.
Is moved down, the material 1 is cut in a straight line, and the gap adjusting plate 2 having a total length of 35 mm is manufactured.

The gap adjusting plate 2 shown in FIGS. 5B and 5C is also manufactured in the above-described manner, but in the case of FIG.
a and the dimensional position L of the reference hole 25 in the concave groove 14b or 14c.
1 uses a positioning reference plate 24a of 30 mm, cuts the end of the material 1 and punches out the cutout 2 on the right side in the same manner as described above, and engages the positioning pin 16a with the third hole of the positioning hole 23a. The position of the slide base 15 is changed, and the left cutout 3 is punched. When the end face of the material 1 is finally cut straight, the positioning pin 16a is engaged with the fourth hole of the positioning hole 23a to change the position of the slide base 15. As a result, the gap adjusting plate 2 having a total length of 40 mm, a size from the center of each notch hole 2 to each end face of the gap adjusting plate 2 of 10 mm, and a pitch between the centers of the notch holes 2 of 20 mm is manufactured.

In the case of the gap adjusting plate 2 shown in FIG. 5C, the slide base 15 uses the positioning pins 16a for the positioning holes 23a.
In order to trim the end of the material 1, use the positioning reference plate 24c having the dimension position L3 of the reference hole 25 of 25 mm, and punch out the U-shaped cutout hole 3 on the right side. Uses a positioning reference plate 24a whose dimensional position L1 of the reference hole 25 is 30 mm, and the slide base 15 engages the positioning pin 16b with the ninth hole of the positioning hole 23a for punching the left U-shaped cutout hole 3. A positioning reference plate 24a having a dimension L1 of the reference hole 25 of 30 mm is used. When the end face of the material 1 is finally cut straight, the positioning pin 16a is engaged with the first hole of the positioning hole 23a to change the position of the slide base 15, and the cutout hole 3 on the right side is used as the reference pin 22. Engage and position. Thus, the gap adjusting plate 2 having a total length of 45 mm, a dimension from the center of each notch hole 2 to each end face of the gap adjusting plate 2 of 10 mm, and a pitch between the centers of the notch holes 2 of 25 mm is manufactured.

Even if three or more notched holes are required, it can be manufactured by combining the position setting of the slide base 15 and various positioning reference plates.

[0034]

As described above, according to the present invention, an elliptical punch corresponding to the punched hole and capable of moving up and down with respect to a fixed die having an elliptical punched hole is provided. A material guide base extending in a direction orthogonal to the first direction and having a first guide groove facing a substantially central portion of the punched hole and a second guide groove facing a terminal portion of the punched hole is placed on one side of the die. And the first, second,
A material positioning base having a concave groove on the same line as the guide groove and a reference pin protruding from the concave groove is disposed on the other side of the die so as to be capable of being advanced and retracted at a predetermined pitch with respect to the die. Reference holes are formed at various dimensions from the end of the plate, and are composed of a plurality of positioning reference plates set in the concave grooves. It is possible to mass-produce gap adjusting plates having various notches with high precision and having notched holes, without requiring skill.

[Brief description of the drawings]

FIG. 1 is a perspective view of a material and a product of a gap adjusting plate.

FIG. 2 is an overall perspective view of the present invention.

FIG. 3 is a perspective view of a main part of the present invention.

FIG. 4 is a plan view showing an example of a gap adjusting plate manufactured according to the present invention.

FIG. 5 is a plan view showing an example of a gap adjusting plate manufactured according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Material 2 Gap adjusting plate 3 Notch hole 10 Machine base 10a Support base 11 Die 12 Punched hole 13 Material guide base 13a First guide groove 13b, 13c Second guide groove 14 Material positioning base 14a, 14b, 14c Concave groove 15 Slide base 16a, 16b Positioning pin 20 Punch 22 Reference pin 23a, 23b Positioning hole 24a, 24b, 24c Positioning reference plate

Claims (1)

(57) [Scope of request for utility model registration] 1. An apparatus for punching and manufacturing a gap adjusting plate having a plurality of notched holes of a single pitch or a desired pitch in a plate, comprising: a fixed die having an elliptical punched hole; An elliptical punch that is movable and corresponds to the punched hole, and is fixedly disposed on one side of the die, extends in a direction orthogonal to a longitudinal direction of the punched hole, and substantially has a central portion of the punched hole. A material guide base provided with a first guide groove opposed to the die and a second guide groove opposed to the end of the punched hole; and a material guide base disposed on the other side of the die so as to be able to advance and retract at a predetermined pitch with respect to the die. A material positioning base having a concave groove provided on the same line as the first and second guide grooves, and a reference pin protruding from the concave groove;
A punching device for a gap adjusting plate comprising a plurality of positioning reference plates set in the concave grooves, wherein reference holes to be fitted in the reference pins are opened at various dimensional positions from a plate end.