JPS63188498A - Progressive forming die - Google Patents

Abstract

PURPOSE:To offer a progressive forming die capable of adapting to plural forms and having excellent versatility by providing at the downstream of a pilot hole forming block the cutting block containing the plural guide plates having different width dimension to be selectively arranged according to the width dimension of a hoop material. CONSTITUTION:The cutting block arranged attachably and detachably between an upper die master 30 and lower die master 31 at the downstream position of a pilot hole forming block cuts a hoop material 33 in a specific shape with the pilot hole formed by the pilot hole forming block as the reference. The cutting block is composed of the die plate 88 arranged at the lower die master 31 side, guide plates 89, 90, the packing member 95 arranged at the upper die master 30 side, cutting punch 97, etc., and fitted by a fastening means. The guide plate 90 is of a certain width but guide plate 89 can be adapted to plural forms by selectively fitting the cutting block containing the guide plate by preparing three width dimensional ones which correspond with the width dimension of the hoop material 33.

Description

[Detailed Description of the Invention] - <Industrial Application Field> The present invention is capable of cutting a mark made of metal while moving it to a plurality of parts. : II Concerning the sending mold.

<Prior Art> This type of progressive molding mold is utilized in the production of casings constituting electrical components.

FIG. 7 is an explanatory view illustrating a conventional progressive molding die, and this figure shows the lower mold portion. In this FIG. 7, 1 is a hoop material made of metal, 2 is a lower die 3.4 is a stamp for making a predetermined mark, etc. on the hoop material 1. 5.6.7, S is the marking, below 'l; the first one placed in this order on Aε
Dai insert, second die insert, third die insert, fourth die insert
This is Gui Niko.

Among these, the first die insert 5 has a hole 9 for forming the basic part external shape in the hoop material 1, and also has a hole 9 for positioning during work following the ridge of the first die insert 5. It has a hole 10 for forming a pilot hole. Although not shown, a punch plate insert is arranged above the first die insert 5, and a cutting punch corresponding to the shape of the hole 9 and a cutting punch corresponding to the shape of the hole 10 are mounted on the punch plate insert. A corresponding punch is attached.

Further, the second die insert 6 has a hole 11 for dividing the hoop material 1 into individual parts, and a hole 12 for forming a square hole in the center of the part. and,
Although not shown, the upper side hole 11 of this second die insert 6
．． A cutting punch and a punching punch having a shape corresponding to the shape of the punch plate 7 are arranged, and the punch plate 7 is divided into individual parts at the second die insert 6 part. It has a bending die 13 for bending both sides of the paper in an upward direction perpendicular to the plane of the paper.

Although not shown, a bending punch corresponding to the shape of the bending die 13 is disposed above the third die insert 7, and this bending punch is attached to the punch plate 1 and insert described above. Further, the fourth die insert 8 is for separating into individual parts, and has a hole 14 in the center. A cutting punch corresponding to the shape of the hole 14 is arranged above the fourth die insert 8, and this cutting punch is attached to the punch plate 1 and insert described above.

In addition, the above-mentioned stamps 3 and 4, the first die insert 5, and the second
The die insert 6, the third die insert 7, and the fourth die insert 8 are inserted into predetermined holes 15, 16, 17 formed in the lower die 2.
, 18, 19, and 20 so that they do not easily come off. Well, although it's not shown,
An upper die is arranged so as to face the lower die 2, and a punch plate 1 and an insert to which the above-mentioned punching punch, near JllIi punch, and bending punch are attached are held in this upper die.

Note that 21, 22, 23, and 24 are lids for slightly lifting the hoop material 1 from the surface of the lower mold 2 when the hoop material 1 is transferred, and are located between the stamp 4 and the first die insert 5, respectively. A third die insert is provided between the first die insert 5 and the second die insert 6, and between the second die insert 6 and the third die insert 7. 7 and the fourth die insert 8.

In such a progressive mold, while the hoop material 1 is lifted up via the lifters 21, 22, 23, and 24 and sent in the direction of the arrow 25 in FIG. By inserting the pilot pins attached to the hoop material 1 into each of the pilot holes 26,
is positioned at a predetermined position, a predetermined mark etc. is attached with the stamps 3 and 4, the basic external shape of the part is formed with the 5 parts of the first die insert, and the basic shape is formed with the 6 parts of the second die insert. The parts are separated into individual parts (but each part is still connected), the third die insert part 7 bends both sides of each part, and the fourth die insert part 8 parts are completely bent. The plan view of FIG. 8(a) and FIG.
A finished part 27 in the form of a casing is obtained, as illustrated in the side view of FIG. 8(b) and the front view of FIG. 8(c).

<Problems to be Solved by the Invention> Nowadays, there are demands for high-mix, low-volume production, and in order to meet such demands with the conventional progressive mold described above, After molding two varieties of parts,
For example, it is necessary to replace the first die insert 5 with a die insert suitable for a different type of die insert, and to also replace it with a cutting punch, bending punch, etc. adapted to this different die insert. in this case,
Die inserts 5, 6, 7, 8 with punch plate inserts, etc.
Since the cutting punch is shared between the
Requires replacement of inserts, complicated assembly work, and time required for parts production.
This resulted in a high production cost and a problem in terms of versatility.

The present invention has been made in view of the above-mentioned actual situation in the prior art, and its purpose is to provide a progressive molding die that can be applied to a plurality of products and has excellent versatility.

Means for Solving the Problems In order to achieve this object, the present invention provides a method for cutting a metal hoop material while feeding it in a fixed direction and molding it into a plurality of parts, which includes an upper die master; A lower mold master is placed opposite to this upper mold master. A pilot hole forming block is placed between these upper and lower mold masters and can form pilot holes of multiple different pitches in the hoop material, and is removably attached between the upper and lower mold masters. A cutting block which is arranged downstream of the pilot hole forming block and cuts the hoop material into the basic part external shape with reference to the pilot hole formed by the pilot hole forming block, and a cutting block which is placed above the cutting block. a mold master and a fastening means fastened to the lower mold master, the cutting block has a guide plate for guiding the hoop material,
This guide plate is configured to be a guide plate that is selected and arranged according to the width dimension of the hoop material mentioned above from among a plurality of guide plates provided in advance with different width dimensions.

Since the present invention is configured as described above, pilot holes are formed in advance in the pilot hole forming block to correspond to a plurality of products, that is, to have a plurality of predetermined pitches corresponding to the external dimensions of the plurality of products. In addition, a cutting block including a plurality of guide plates for guiding hoop material corresponding to a plurality of types can be provided in advance, and therefore, the pilot holes in this large pilot molded block can be adjusted according to the type of the hoop material to be manufactured. It can be adapted to multiple types by selecting the pitch and selectively attaching a cutting block containing a guide plate according to the type to be manufactured via a fastening means between the upper mold master and the lower mold master. .

<Example> Hereinafter, one example of the progressive molding die of the present invention will be described based on the drawings.

FIG. 1 is a plan view showing the overall configuration of the lower die portion of this embodiment, FIG. 2 is a side sectional view showing the pilot hole forming block and lifter portion provided in this embodiment, and FIG. 3 is (
a) and (b) are plan and side views respectively showing the pyrobe I and the punch plate forming the hole forming block, and Figures 3(c), (d) and (e) are respectively showing the pilot hole forming block. A plan view showing the lower part, a side view,
It is a front view. Furthermore, FIGS. 4(a) and 4(b) are half-sectional views of the cutting block provided in this embodiment, viewed from the direction of arrow A in FIG. 1, of which FIG. FIG. 4(b) is a left half sectional view showing the time when the hoop material is cut, and FIG. 4(b) is a right half sectional view showing the time when the hoop material is cut. In addition, Fig. 5 (a
) and (b) are half-sectional views of the first hoop material transfer block provided in this embodiment, viewed from the direction of arrow B in FIG. 1, of which FIG. 5(b) is a right half sectional view showing the hoop material at the time of cutting or bending.

Moreover, FIG. 6(a) is a plan view showing the second hoop material transfer block and bending and separating block provided in this embodiment, and FIG. 6(b) is a plan view as seen from the direction of arrow C in FIG. FIG. 3 is a cross-sectional view of a bent and separated block.

In this embodiment, as shown in FIG. 1.2, etc., there is an upper die master 30 attached to a ram (not shown) on the movable side of the press machine via a fastening means, and an upper die master 30.
A lower die master 31 is attached to a bed (not shown) on the fixed side of the press machine via a fastening means so as to face the press machine.

A hoop material 33 is placed between the upper mold master 30 and the lower mold master 31 as shown by the arrow 32 in FIG. 1.2.
1.2 and 3(a) of the same
, gb), (c), (d), (s>), a pilot hole forming block 34 capable of forming a plurality of pilot holes of different bidges in the hoop material 33;
As shown in FIG. 4(a), <It), there is a cutting block 35 which is connected to the pilot hole forming block 34 and which cuts the hoop material 33 into the basic component external shape, and a cutting block 35 which is connected to the pilot hole forming block 34 and which cuts the hoop material 33 into the basic component external shape. , the dummy block 36 that does not perform any special operation, and the dummy block 36 shown in FIGS. 1 and 5 (a), (
As shown in b), a first hoop material transfer block 37 which is connected to the dummy block 36 and contributes to the transfer of the hoop material 33, and a first hoop material transfer block 37 as shown in FIGS. 1 and 6(a), A second hoop material transfer block 38 is connected to the hoop material transfer block 37 and contributes to the transfer of the hoop material 33, and as shown in FIGS. Three bending and separating blocks are arranged in sequence, which are connected to the block 38 and which bend and separate the hoop material 33 to form completed parts.

In addition, the pilot hole forming block 34 and the cutting block 3
A lifter 40 is provided between the dummy block 36 and the first hoop material transfer block 37 to float the hoop material 33 when the hoop material 33 is transferred. A lid 41 is provided. Further, 42 is a guide member whose lower end is fixed to the lower mold master 31 and guides the upper mold master 30 as it moves up and down. A pole retainer 42ah is movably connected to this guide member 42 with high precision.
It is equipped with N.

Below, the configuration of each block described above will be explained in order.

First, the pilot hole forming block 34, which is the block disposed at the most upstream position, is connected to the hoop material 33 as shown in FIG.
The punch plate 44 is arranged on the upper side with the die plate 1 and the die plates 1 and 45 arranged on the lower side. The punch plate 44 is removably attached to the upper die master 30, for example, via fastening means such as a clamp member, and the die plate 45 is fixed to the lower die master 31, for example, via bolts. As shown in FIGS. 3(a) and 3(b), the punch plate 44 is located at a position corresponding to one side edge of the hoop material 33, that is, the upper edge of the hoop material 33 shown in FIG. A hole 47 having a groove 46 and communicating with the reference groove 46 and extending in the direction of the hoop material 33;
48.49.50. Of these holes, the hole 47 is connected to the reference groove 4 via a spring 51 as shown in FIG.
A protrusive pin 52 is housed within 6. In addition, there are four holes 48, and 50 are pilot holes of different pitches in the hoop material 33, namely 60 mm pitch, 45 mm pitch,
These holes 48, 49, and 50 are provided to form pilot holes with a pitch of 30 mm, and punches 53, 54, and 55 for drilling pilot holes have their upper ends protruded into the reference groove 46, respectively. possible storage.

A key 56 shown in FIG. 2 can be inserted into the reference groove 46, and a punch 53 is attached to the tip of the key 56.
．． The key 56 has a protrusion 57 that can come into contact with the head of any one of the keys 54 and 55, and the above-mentioned pin 5 is attached to the distal end of the key 56.
It has holes 5S, 5, and 60 into which the upper ends of 2 can be inserted. If the pin 52 were to fit into the hole 58 of the key 56, the protrusion 57 of the key 56 would come into contact with the upper end of the punch 55, preventing the punch 55 from moving upward. are each held movable upwards. Also, the pin 52 is located on the key 5 as shown in FIG.
When the key 5 is inserted into the hole 59 of 6, the protrusion 57 of the key 5 ('> comes into contact with the upper end of the punch 54, and the punch 5.
The pond punches 53.5 and 1 are held so that they cannot move upwards, and the pond punches 53.5 and 1 are able to move upwards. Also, pin 5
2 is temporarily inserted into the hole 60 of the key 56, the key 5
The protrusion 6 abuts on the upper end of the punch 53, and the punch 53 is held immovably upward while the other punches 54 and 55 are held movably upward.

The punch plate 44 also has three key grooves 61, 62, .
63 is provided. These keyways 61, 62, 63 have holes 64, 65, .
66 is provided at a position corresponding to the hole 47, and a hole 67.68.6 equivalent to the hole 48.49.50 of the reference groove 46 is provided.
9, and holes 70.71.72, and 73.74.7
5 are provided at corresponding positions. A key equivalent to the key 56 described above can be selectively inserted into the key grooves 61, 62, and 63, and keys 664 to 66 can be selectively inserted into the key grooves 61, 62, and 63.
A pin equivalent to the above-mentioned pin 52 is stored in 6, and punches equivalent to the above-mentioned punches 53 to 55 are selectively stored in holes 64 to 6, holes 70 to 72, and holes 73 to 75, respectively. It can be stored. In this embodiment, the hole 65 and the holes 70 to 72 are arranged so as to face the lower edge of the hoop material 33 shown in FIG. 1, and the key is inserted into the key groove 62. The protrusion at the tip of this key, like the key 56 shown in FIG. It is designed to be formed.

Further, the reference groove 46 and the key groove 61 of the punch plate 44 in the approximately central part of the die plate 45, ie, the punch plate 44 in FIG.
Immediately below the portion 76 located between the
, As shown in (d), a stamping die 8 on which a stamp 77 such as a mark is formed is removably arranged on the die plate 45. Although not shown, a stamp receiver corresponding to the stamp diamond 8 is attached to the portion 76 of the punch plate 1/44, and the hoop material 33 is squeezed between the stamp receiver and the stamp diamond 8 to form the stamp 77. The image is transferred onto the hoop material 33.

In addition, 78a shown in FIGS. 3(c), (d), and (e)
is a pin that restricts the insertion of the stamping diamond 8, and is implanted in the lower mold master 31. 78b is a stopper that restricts the movement of the stamping die 8 in the counter-insertion direction, and 78c is a bolt that fastens this l-flange 78b to the die plate 45.

Note that this is a block placed above the 78 (-1, 78e (ma die play) 45 shown in FIG. 3(d). The above-mentioned pin 78a, stopper 78b, and bolt 78
c constitutes a fastening means that enables the engraved diamond 8 to be attached and detached.

Furthermore, as shown in FIG. 1, the upper parts of the blocks 78d and 78e have semicircular notches for escaping pilot holes formed by punches 53, 54, 55, etc., and each has a basic overall shape. Guide plate 79.8 approximately rectangular in shape
0, which restricts the movement of the upper surface and side end surfaces of both side edges of the hoop material 33, as shown in FIG. 3(d). As shown in FIG. 1, the sides are respectively formed with tapers 81 and 82 to facilitate insertion of the hoop material 33.

Next, the lifter 40 connected to the pilot hole forming block 34 described above will be explained.

As shown in FIG. 1.2, this lifter 40 includes a rod-shaped #83 extending along the width direction of the hoop material 33 in two parts;
A pair of pins 84 are provided integrally with the rod-shaped body 83 and support the vicinity of both ends of the rod-shaped body 83;
and a spring 85 that biases each in an upward direction. Then, at an upper position facing the lifter 40 with the hoop material 33 in between, there is a push-down hoop material 33 that can push the rod-shaped body 83 of the lifter 40 downward, as illustrated in FIG. A pair of bins 86 are provided corresponding to both ends of the rod-shaped body 83. These pins 86 are movably held by the upper die master 30 and are biased downward by a spring 87.

Next, regarding the cutting block 35 and the dummy block 36 that are connected to the lid 40, pin 86, etc., as described above,
This will be explained with reference to FIG. 1 and FIGS. 4(a) and 4(b).

As shown in FIGS. 4(a) and 4(b), the cutting block 35 disposed downstream of the lifter 40 has a die plate 8 attached to the lower mold master 31 on the lower mold master 31 side.
8 and disposed on both ends of this die plate 88,
It has eight guide plates 90 for guiding both side edges of the hoop material 33 and a fixed stripper 91 disposed above these guide plates 89 and 90 to restrict upward movement of the hoof material 33. There is. In addition, the guide plate 89.9 mentioned above
Of these, the guide plate 9o is set to have a constant width dimension, for example, and the guide plate 89 is connected to the key groove 61 of the punch plate 1/44 constituting the pilot hole forming block 34 described above.
．． 62 and 63, and have three width dimensions, and in this embodiment, the width dimension corresponds to the width dimension of the keyway 62, that is, the hoop material 33. This is how it is placed. Also, Figure 1 shows the fixed stage I.
This figure shows the state with the ripper 91 removed. These die plate 88, guide plate 89, 90, fixed stripper 91
The lower mold master 3 is inserted into the hole formed at the corresponding location on the side end of the
A reference pin 92 fixed at 1 is inserted, that is, the reference pin 92 connects the die plate 88 and the guide plate 9.
．． 90, the fixed stripper 91 is positioned with respect to the lower die master 31.

And 93 is die plate 88, guide plate S9.90
, NJ number of clamp members grip the fixed stripper 91, and their tip portions 93a engage with the upper surface of the fixed stripper 91. Reference numerals 94 denote bolts for fixing these clamp members 93 to the lower mold master 31, respectively.

Further, a punch plate 96 is attached to the upper die master 30 side via a backing member 95 etc., and the punch plates 1 and 96 include cutting punches for forming a predetermined basic component external shape in the hoop material 33. 97 and hoop t't33
A round punch ( ) 8 to form a U-shaped hole in the hole and a hoop material 33
A hole punch (not shown) for drilling another hole close to the U-shaped hole, and the aforementioned pilot hole forming block 311.
A pilot pin 99 is provided that can be inserted into a pilot hole of the hoop material 33 formed of.

The heads of the cutting punch 97, the round punch 98, the nine pilot pins, and the head of the hole punch (not shown) are restricted from upward movement by a backing member 95.

100 is a backing member 95, a punch play 1
・Reference pin for positioning 96 etc. with respect to the upper die master 30 □, 101 is the backing member 95, punch plate 1・
96, etc., and its tip 1
02 is engaged with the lower surface of the punch plate 96. 10
Reference numeral 3 designates poles 1- for fixing the clamp members 101 to the upper mold master 30, respectively.

As shown in FIG. 1 and FIGS. 4(a) and 4(b), the die plate 88 has a hole 104 corresponding to the outer shape of the cutting bonder 97, and a hole 104 corresponding to the outer shape of the lower end of the round punch 98. A hole 105 corresponding to the shape 1, a hole 105a corresponding to the external shape of a hole punch (not shown), and a pilot pin 9
A hole 106 is formed into which 9 can be inserted.

Die play 1 placed on the lower die master 31 side mentioned above.
88, guide plate 89, 90, fixed stripper 91, and backing member 95 disposed on the upper die master 30 side;
The cutting block 35 is also constituted by a punch plate 96 including a cutting punch 97 and the like.

In addition, the above-mentioned clamp member 93.101, Pol l-9
=1.103 constitutes a fastening means for fastening the above-mentioned cutting block 35 to the upper mold master 30 and the lower mold master 31.

Note that the cutting block 35 and the lower die master 31 near the lifter 40 shown in FIG.
is formed, and a key 108 is removably mounted in this key groove 107. 109 is a plate that covers the end of the key 108, and 110 is a bolt that fixes this play 1-109 to the lower mold master 31. Although not shown, pilot pins are attached to the above-mentioned die plate 88 at positions corresponding to both side edges of the hoop material 33 below the key 108 so as to be able to protrude upward.

This pilot pin is used to determine the feeding pitch of the hoop material 33, as will be described later.

The dummy block 36 connected to the cutting block 35 shown in FIG. It is provided so as to extend to both side ends of the die plate No. 36. Further, although not shown, the fixed stripper 91 provided on the cutting block 35 may also be attached to the hoop material 33 of this dummy block 36, for example.
It was extended to cover the area. This dummy block 36
is positioned by a reference pin 92.

Through the guide, the side plates 89 and 90, and the fixed stripper 91,
It is removably fastened to the lower die master 31 by a clamp member 93 and a bolt 94.

In addition, the above-mentioned cutting block 35 and dummy block 36
directly below the approximately central portion of holes 10.4, 105.
The part of the lower mold master 31 located below the area including 105a can store the member removed by cutting and drilling from the hoop material 33, as shown in FIGS. 1 and 4(a) and (b). A hole 111 is provided.

Next, the lifter 41 connected to the above-mentioned dummy block 36 will be explained with reference to FIG. 1 and FIG. 2.

This lid 41 also has a rod-shaped body 112 extending along the width direction of the hoop material 33, and is provided integrally with this rod-shaped body 112, and supports the vicinity of both ends of the rod-shaped body 112, as described above and similar to the lid 40. A pair of pins 113 and these pins 11
3 and a spring 114 which urges each of the parts upwardly. Then, at a position above the lifter 41 with the hoop material 33 in between, the rod-shaped body 112 of the lifter 41 is pushed downward as shown in FIG.
A pair of pins 115 for pushing down the T-capable hoop material 33 are provided corresponding to both ends of the bar-shaped 'f4 (112). These pins 115 are movably held by the upper mold master 30 and , are biased downward by springs 116.

Next, regarding the first hoop material transfer block 37 installed downstream of this lifter 41, FIG. 1 and FIG.
), (h).

This first hoop material transfer block 37 is connected to the lower mold master 3
The first side is provided with a gouging plate 117 that is fixed to the lower mold master 31. At a position below the hoop material 33 in the center of this Guiplay 1-117, there is a bending punch 118, which is not used in this embodiment, and a knockout 11 disposed within this bending punch 118 so as to be movable up and down.
9, and this knock ala? A knockout pin 120 that supports -119 is provided in accordance with the shape of the component. Then, at positions corresponding to both side edges of the hoop material 33 outside the bending punch 118, there are provided a lifting device for the hoop material 33, a guide for the hoop material 33, and a stripper (for removing the hoop material 33). Lifting means 121 and 122 are provided which also serve as (B) for carrying out the operation.

These elevating means 121 and 122 each have a hoop material 33
guide plates 123.12.1 having U-shaped holes into which both side edges of the guide plates 123.12.1 are movably inserted;
A pin 1 is provided integrally with 124 and is movable up and down in a hole provided in the gou plate 117 and the lower die master 31.
25, 126, a spring 127, 128 that biases these pins 125, 126 upward, and a guide plate 123.1.
24 to pins 125 and 126, respectively, are provided with bolts 123a and 124a. In addition, pin 125.
Each of the lower end portions 126 is provided with large diameter portions 129 and 130, and when these large diameter portions 129 and 130 are engaged with the upper ends of holes 131 and 132 provided in the lower die master 31, the pin 125, 126 and guide plate 123.
124, that is, the movement of the hoop material 33 in the direction ``'' is restricted.

Further, the guide plates 123 and 124 each restrict movement of the hoop material 33 in the width direction by the side wall of the U-shaped hole, restrict the fall of the hoop material 33 by the lower wall thereof, and restrict the movement of the hoop material 33 by the upper wall thereof. When an upward force is applied, upward movement is restricted.

Further, at the end of the guide plate 123 and 124 on the lifter 41 side, this first hoop material transfer block 3 of the hoop material 33 is provided.
7, the tapers 123b, 124b are arranged in a horizontal plane, as shown in FIG.
and a taper 124c (the taper on the guide plate 123 side is not shown) arranged in a substantially vertical plane as shown in FIG.

Further, on each edge of the guide plate 123, 124 opposite to both side edges of the hoop material 33, an upper mold is attached along the flow direction of the hoop material 33 as shown by the arrow 32 in FIG. Hoop material 3 of a pilot pin (not shown) attached to the stripper 136 of the stripper 136a (strip puff) 136a as necessary
Semicircular notches 123d and 124d are provided, respectively, to form escape holes when inserting the pilot hole in FIG. A plurality of holes 48 and 50 are provided with irregularities depending on the respective pitches. However, in this embodiment, since the first hoop material transfer block 37 does not perform cutting, bending, etc., in other words, only transfers the hoop material 33, the above-mentioned pilot pin is・
It is not necessary to attach it to the ripper 136.

Note that reference pin 133 shown in FIG. 5(a) is a reference pin fixed to the lower die master 31 and used to position the die plate 117.
It is inserted into a hole 134 formed in the hole 134.

Further, the first hoop material transfer block 37 includes a punch plate 135 and a slipper plate h 136 a on the upper die master 30 side. Although the punch plate 135 is hardly utilized in this embodiment,
For example, a cutting punch or the like is attached when necessary. In addition, the stripper plate 136a is held movable up and down, and the second stripper plate 136a is held movable up and down.
The above-mentioned elevating means 12 is inserted into the holes 137 and 138 on the lower surface of
The heads of the bolts 123a and 124a constituting parts 1 and 122 can be inserted. In addition, 139 is the upper mold master 3
With the sub-guide posts fixed at 0, the slippers 136 described above are movable with respect to these 13 sub-guide posts as described above. A hole 140 into which the lower end portion of the 13 sub-guide posts can be inserted is provided at a corresponding position of the die plate 117 directly below the 13 sub-guide posts.

Next, the second hoop material transfer block 38 and bending/separation block 39 which are connected to the first hoop material transfer block 37 will be explained with reference to FIG. 1 and FIGS. 6(a) and (b).

In this embodiment, the second hoop material transfer block 38 is not used for special operations such as cutting, but is used only to transfer the hoop material 33. The hoop material transfer block 37 is provided with a die plate 117 flush with the die plate 117, and
Guide guide plates 123 and 124 attached to the first hoop material transfer block 37 extend so as to be located on both sides of the die plate 1 described above. Note that the guide plate 123
124 is bent at its end and extended until it touches a part of the separation block 35).

The three bending and separation blocks arranged downstream of the second hoop material transfer block 38 have a bending die 141 on the lower die master 31 side. These three bending and separation blocks are
It is positioned so as to be sandwiched between two blocks 142a which are removably provided on the lower mold master 31 via fastening means such as Pol I.

The bending die 141 has a knockout 143 in the center thereof that can protrude upward to the upper surface of the bending die 141, and this knockout 143 has a plurality of knockout bins 144.
It is installed integrally on the top. Further, the knockout pin 144 is integrally provided on a vertically movable connecting pin 1'45. This connecting pin 145 is moved by a connecting pin moving means (not shown) provided on the bed side of the press machine to which this embodiment is installed. Also,
A backing member 146 having a hole through which the knockout pin 14 can be inserted is arranged below the bending die 141. Note that this backing portion t 146 has a large number of holes in advance to correspond to different types of parts that can be manufactured from the hoop material 33. It is selectively inserted into an appropriate hole among these many holes corresponding to the arrangement of the Uruknockara l-144. In addition,
Reference numeral 147 shown in FIG. 6(b) is a stripper for removing parts made from the hoop material 33, and is fixed on, for example, four blocks 142. In FIG. 1, the state in which this stripper 147 is removed is shown.

In addition, these three separation and cutting blocks are attached to the punch plate 1-1 on the upper die master 30 side, as shown in FIG. 6(b).
48 is attached, and a bending punch 149 and a cutting punch 150 are attached to this punch plate 1-148.

Note that, not shown in FIG. 6(b), 151 is a backing member that restricts the upward movement of the bending punches 149, and 152 is inserted into a hole formed in the backing member 151, and is integrated with the 14 bending punches. Established. Knockout pin, 15
3 is a bending bond 149 via a knockout pin 152.
It is a spring that gives a cherry blossom force to the spring. Further, 154 is a spacer key for preventing the cutting punch 150 from being removed, and 155 is a bolt for fixing these spacer keys 154 to the punch plate 148.

Next, in the embodiment configured as described above, the procedure for obtaining a completed part from the hoop material 33 and the operation of each block will be explained.

First, the upper master 30 is attached to the ram, which is the movable side of a press machine (not shown), by means of fastening means, and the lower mold master 31 is attached to the bed, which is the fixed side, by means of fastening means. Then, for example, as shown in FIG. 2, the key 56 is inserted into the reference groove 46 so that its protrusion 57 engages with the head of the punch 54. In this state, the force of the spring 51 causes the pin 52 to fit into the hole 59 of the key 56, thereby preventing the key 56 from easily swinging.

In addition, a key (not shown) equivalent to the key 56 is attached to the hoop material 33.
For example, it is inserted into the keyway 62 shown in FIG. 3 so that its tip reaches the hole 71 position according to the width dimension. Further, the key 108 is pulled out from the key groove 107.

From this state, the hoop material 33 is inserted using the taper 81.82 of the guide plate 79.80 of the pilot hole forming block 34 shown in FIG. The punch plate 4 is arranged so as to extend over the cutting block 35, the dummy block 36, and the lifter 41, and when the ram of a press machine (not shown) is driven and the upper die master 30 is lowered, the punch plate 4
4 is lowered to the punch 54 and the hole 71 in FIG. 3 (1).
A first pair of pilot holes are formed on both side edges of the hoop material 33 by a punch (not shown) inserted into the hoop material 33 . At the same time, the back surface of the hoop material 33 is pressed against the stamp 77 of the stamping diamond 8, and the mark formed by the stamp 77 is transferred onto the hoop material 33.

Next, when the hoop material 33 is withdrawn in the direction of the arrow 32,
A pilot pin (not shown) located in the keyway 107 projects upward to be inserted into the pair of pilot holes formed as described above, thereby positioning the hoop member 33.

When the upper mold master 30 is lowered again in this state as described above, a second pilot hole is formed on both side edges of the hoop material 33 by the punch 54 and a corresponding punch (not shown). From then on, the length between the first pilot hole and the second pilot hole, that is, the length of 45 mm, is taken as one feed pitch, and the hoop material 33 is sequentially fed at every 45 mm pitch. Then, a pilot hole forming operation in the pilot hole forming block 34 and cutting and bending operations described below are performed.

Note that when the second pilot hole is formed as described above, the feed pitch is determined, so the key spring 10
The protrusion of the pilot bin (not shown) located at position 7 becomes an obstacle to the transfer of the hoop material 33. Therefore, the keyway 10
The key 108 is inserted into the key 7, and the pilot bin (not shown) is thereby pushed down onto the lower surface of the key 108.

The key 108 is fixed to the lower mold master 31 by the keyway 107 and the pin 108a.

The hoop material 33 in which the pilot hole is formed as described above is slightly lifted from the surface of the engraved die 8 of the pilot hole forming block 34 and the die plate 1-88 of the cutting block 35 by the rod-shaped body 83.112 of the lifter t10.41. In the raised state, it is guided by guide plates 89 and 90 and transported.

Then, the hoop material 33 with the pilot hole formed therein is inserted into the hole 104, 105, 105a of the cutting block 35.
When the pilot hole forming block 34 reaches the fourth position, the upper die master 30 moves downward when forming the pilot hole.
The backing member 95 and punch plate 96 shown in FIG. 2 are lowered, and the pin 86 shown in FIG.
115, the rod-shaped body 83. of the lifter 40.41 is lowered.
112 resists the force of spring 85.114 and the hoop material 3
3 is pressed down so that it does not protrude beyond the surface of the die plate 88. Subsequently, a pilot pin 99 or the like shown in FIG. 4(b) is inserted into the hole 106 through the already formed pilot hole, thereby positioning the hoop material 33 in this cutting block 35. Further, as the punch plate 96 continues to lower, the cutting punch 97
cuts the hoop material 33 and inserts it into the hole 104, and the round punch 9S and a hole punch (not shown) cut the hoop material 33.
are inserted into the respective holes 105 and 105a, resulting in the state shown in FIG. 4(b). Cutting punch 97 mentioned above
The basic external shape of the part is formed by the round punch 98, and a U-shaped hole is formed by the round punch 98, and a hole is punched near the U-shaped hole by a hole punch (not shown). Hoop material 33 removed by such cutting and drilling
The unnecessary portion falls under its own weight inside the hole 111 of the lower mold master 31 and is discharged to the outside of this mold.

The hoop material 33 that has been sent over the lifter 41 is moved to the lifting means 1 of the first hoop material transfer block 37.
The first hoop material transfer block 37 and the second hoop material transfer block are guided by the tapers 123b, 124b, 124c, etc. of the guide plates 123. block 38
It is then bent and sent to the separation bron 239 position.

During this time, the pilot hole forming block 34 performs an operation of forming pilot holes on both side edges of the hoop material 33 at a pitch of 45 mm, and the cutting block 35 repeatedly drills holes corresponding to the holes 104, 105, and 105a at a pitch of 45 mm. . In addition, the first hoop material transfer block 3
7, when the hoop material 33 is transferred, the pin 125, the guide plate 123, and the pin 123a are kept in the upper position and floating state by the force of the spring 127, as shown in FIG. 5(a). dripping Furthermore, when forming pilot holes in the pilot hole forming block and cutting in the cutting block 35, as shown in FIG. 5(b),
The guide plates 123 and 124 are pushed down by the stripper 136 against the force of the springs 127 and 128, and are positioned at approximately the same height as the surface of the stamped die 8 of the pilot hole forming block 34 and the surface of the die plate 88 of the cutting block 35. is maintained. At this time, the heads of the bolts 123a and 124a constituting the elevating means 121 and 122 are housed in holes formed in the stripper 136, and are kept in a state where they do not affect the hoop material 33 in any way.

Further, during this period, that is, until the hoop material 33 is bent and reaches the separation block 39, the hoop material 33 constitutes an integrally molded product.

Then, when the hole corresponding to the hole 105.105a formed in the cutting block 35 among the holes formed in the hoop material 33 bends and reaches approximately the center position of the separation block 39, a pilot hole is formed in the pilot hole forming block 34. As a result of the operation and the lowering of the upper mold master 31 accompanying the cutting operation in the cutting block 35, the punch plate 1/148 shown in FIG. 6(b) is lowered, and this punch plate 148
A pilot pin (not shown) provided in the hoop material 33
The hoop material 33 is positioned by inserting it into the pilot hole of the hoop material 33, and as the punch plate 148 descends, the 14 bending punches and the cutting punch 150 are lowered together, and the bending punch 149 and the bending die 141 cut the hoop material 33 into place. Both sides of the corresponding portion of the material 33 are bent downward and the hoop material 33 is separated, thereby forming the reference numeral 1 in FIG.
The finished part shown at 56 is obtained, and the cutting punch 1
50 cuts off the unnecessary bar-shaped edge of the hoop material 33 that is produced when the finished part 156 is removed.

Note that the unnecessary portion of the hoop material 33 formed by cutting with the cutting punch 150 is discharged to the outside by a discharge means (not shown). Completed parts 15 obtained in this way
6 is driven by a connecting pin moving means (not shown).
It can be removed from the bending die 141 by raising the connecting pin 145 shown in FIG. When the completed part 156 is lifted upward, the completed part 156 is removed by a stripper 147 shown in FIG. 6(b) and removed from the bending punch 149 or the like.

In this way, a plurality of finished parts 156 of the same type can be obtained from the hoop material 33 every 45 mm pitch.

In the above, the key 56 in the pilot hole forming block 34 is moved appropriately so that the protrusion 57 is aligned with the punch 5.
3.55, and move the key inserted into the keyway 62 shown in FIG. 3(a) in the same manner as the key 56 to perform the above-mentioned operations. , the finished part 156 can be obtained with a pitch of 30 mm.

Also, insert the key inserted in the key j'f462 into the keyway 61 or the keyway 63 shown in FIG. 3<a),
The width dimensions of the eight guide plates of the cutting block 35, the dimensions of the cutting bond 97, etc. of the cutting block 35, the guide dimensions of the guide plate 123 of the first hoop material transfer block 37, bending,
By changing the dimensions of the bending punch 149 of the separation block 39, the mounting position of the cutting punch 150, etc., a part having a width larger or smaller than the above-mentioned finished part 156 can be obtained.

Also, for example, remove the cutting block 35 and the dummy block 36 to form one cutting block, replace it with a punch plate having 9 corresponding cutting blocks, etc.
By bending the parts together and replacing the separation blocks 39 and the like individually, it is possible to obtain a plurality of parts different from the above-mentioned finished part 156.

Also, for example, the cutting block 35 Guiplay 1.88,
By replacing the punching punch 1.9G including the cutting punch 97 etc. with one of Ike's, and by utilizing the bending punch 118 etc. of the first hoop material transfer block 37, or by using the second hoop material transfer block 38. By utilizing it as a bending block, a plurality of parts different from the finished part 156 can be obtained.

In the embodiment configured as described above, a plurality of It is possible to produce parts of different types.

In addition, the stamped diamond 8 on which the stamp 77 is formed is shown in FIG.
It can be easily converted to another type by loosening the bolt 78c shown in c), (d), and (e) and moving the stopper 7S by 180'l''l from FIG. 3 (tl).

The cutting block 35 also includes a clamping member 93.101.
can be removed by loosening Pole I/94.103 and rotating either 90' from Fig. 1. Upper mold master 30,
The present invention can be easily changed to a pond cutting block without changing the shape of the lower mold master 31, etc., and therefore parts of different types of ponds can be easily manufactured. In this case, by preparing in advance cutting blocks that correspond to different types of parts, it is possible to manufacture parts of many different types with fewer man-hours.

In addition, since the bending and separation block 39 is arranged downstream of the cutting block 35, the hoop material 32 can be made to perform two different operations of cutting and bending, thereby making it possible to manufacture parts of different types. can respond well to

In addition, a pilot hole forming block 34, a cutting block 3
5 is equipped with seven guide plates, eight guide plates 80, and 90, respectively, so that the hoop material 33 can be reliably transferred along the desired transfer direction, ensuring component accuracy, and cutting and bending operations. This contributes to improved efficiency.

Further, among the guide plates 89 and 90 of the cutting block 35, a plurality of guide plates 89 with different width dimensions are prepared in advance, and one of them that matches the width dimension of the hoop material 33 is arranged. Therefore, this also makes it easy to manufacture a plurality of parts.

In addition, since the hole 111 is provided in the lower die master 31 located directly under the center of the cutting block 35, the hoop material 33 generated by forming the hole corresponding to the hole 104, 105, 105a of the cutting block 35 This hole 111 allows all unnecessary parts to be stored together. By forming this one hole 111, it is not necessary to separately provide holes for discharging unnecessary materials for the holes 104, 105, and 105a in the lower mold master 31, and manufacturing is easy.

Further, lifters 40 and 41 are provided before and after the cutting block 35, and these lifters 40 and 41 float the hoop material 33 when the hoop material 33 is transferred, and when cutting the hoop material 33, the pins 86 and 41 provided on the cutting block 35 are lifted. 115
Since these lids 40 and 41 are pushed down by the hoop material 33, the frictional force applied to the hoop material 33 when the hoop material 33 is transferred can be reduced, and the hoop material 33 can be transferred smoothly. At the same time, when the hoop material 33 is L:rJIiJr, etc.,
The cutting motion can be performed reliably regardless of the floating blade of the lifter 40, 41.

Further, the elevating means 12 of the first hoop material transfer block 37
A notch 123 that allows insertion of a pilot pin is provided at the side edge of the guide plate 123.
d and 124d, when this first hoop material transfer block 37 is used as a cutting block or a bending block, the hoop material 33 can be positioned reliably, and the hoop material 33 can be The guide plate 123.12 can be guided well.
The dimension between 4 can be made sufficiently wide, and the hoop material 33
It can be used as an area for protruding, bending, etc.

<Effects of the Invention> Since the progressive molding die of the present invention is configured as described above, it can be applied to multiple types of products and has excellent versatility. Therefore, the number of man-hours for manufacturing parts can be suppressed, and manufacturing costs can be kept as low as possible. There is an effect that can be done.

[Brief explanation of the drawing]

Figures 1 to 6 (a) and (b) are explanatory diagrams showing one embodiment of the progressive molding die of the present invention, and Figure 1 shows the overall structure of the lower mold part of this embodiment. A plan view, FIG. 2 is a side sectional view without showing the pilot hole forming block and lifter portion provided in this embodiment, and FIGS. 3(a) and (b) each show a punch plate constituting the pilot hole forming block. Plan view, side view, Figure 3 (c), (d)
, (e) are a plan view, a side view, and a front view showing the lower part of the pie four-hole forming block, respectively, and Fig. 4 (a),
4(b) is a half sectional view of the cutting block provided in this embodiment as viewed from the direction of the arrow in FIG. Figure 4 (b) is a right half sectional view showing the hoop material when it is cut, and Figure 5 (
a) and (h) are half-sectional views of the first hoop material transfer block provided in this embodiment, viewed from the direction of arrow B in FIG. 1, of which FIG. 5(b) is a right half sectional view showing the hoop material being cut or bent, FIG. 6(a) is the second hoop material transfer block provided in this embodiment, FIG. 6(b) is a cross-sectional view of the bending and separation block as viewed from the direction of arrow C in FIG. 1. FIG. 7 is a sectional view of the conventional progressive molding 8(a), (b), and (c) are plan views and side views respectively showing the completed part obtained by the conventional progressive molding die shown in FIG. 7. 30... Upper die master, 31... Lower die master, 33... Hoop material, 34... Pilot hole forming block. , 35...cutting blocks, 3...bending, separation blocks, 44...
... Punch plate, 45 ... Die plate, 46 ... Reference groove, 47.48.49.50.
... Hole, 51 ... Spring, 52 ...
・Pin, 53.54.55...Punch, 56・
...Key, 57...Protrusion, 58.59
．． 60...hole, 61.62.63...
Keyway, 64.65.66.67.68.69.70.
71.72.73.74.75... Hole, 79.
80...Guide plate, 88...Die plate, 89.90...Guide plate, 91...
... Fixed stripper, 93.101 ... Clamp member, 94.103 ... Bolt, 95 ...
... Backing member, 96 ... Punch plate, 97 ... Cutting punch, 98 ... Round punch, 9 pieces ... Pilot pin, 104.1
05.105a, 106-...-hole. Figure 3 (q)
(b) Figure 3-1? +I I mocking Fig. 6 (a) 144ゝ/45 Fig. ■ (b) Fig. 8 (C)

Claims (1)

[Claims] (1) In a progressive mold that cuts a metal hoop material while feeding it in a fixed direction and molds it into multiple parts, there is an upper mold master and a lower mold master placed opposite to this upper mold master. , a pilot hole forming block that is disposed between the upper mold master and the lower mold master and is capable of forming pilot holes of a plurality of different pitches in the hoop material, and a pilot hole forming block that can be attached and detached between the upper mold master and the lower mold master. a cutting block that is arranged downstream of the pilot hole forming block and cuts the hoop material into a basic component external shape with reference to the pilot hole formed by the pilot hole forming block; fastening means for fastening the block to an upper mold master and a lower mold master, the cutting block having a guide plate for guiding the hoop material,
The progressive molding die is characterized in that the guide plate is a guide plate that is selected and arranged according to the width dimension of the hoop material from among a plurality of guide plates provided in advance with different width dimensions.