JP2003326327A - Feeder of blank for press - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make it possible to simultaneously work parts having different material specification by a press and to efficiently feed a blank at a low cost. <P>SOLUTION: A shuttle feeder 12 for carrying-in the blank is arranged on a press line. A 1st blanking apparatus 21 is connected to the beginning of transporting route of the shuttle feeder 12 from the direction parallel to the press line and also a 2nd blanking apparatus 22 is connected from the direction orthogonal to the press line. The 1st blanking apparatus 21 is provided with 1st coil feeders 21A, 21B and a shear 21C and also the 2nd blanking apparatus 22 is provided with 2nd coil feeders 22A, 22B and a shear 22C. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blank feeding device used for feeding a plate blank, particularly a plurality of blanks, to a transfer press at the same time.

[0002]

2. Description of the Related Art As an apparatus of this type, for example, when two blanks are supplied for each cycle of the press,
It is known that a blanking device is provided which enables two blanks to be taken from one coil material.

When a plate-shaped blank is supplied instead of a coil material, preformed plate-shaped blanks are stacked, two destack feeders and robots are installed, and two blanks are supplied. What you are doing is known.

[0004]

In the former device, it is impossible to process parts with different material specifications (different plate thickness, different plate width, different material) because the supply is from one coil material. .

In the latter device, blanks that have been formed in advance are supplied, so parts of different material specifications can be supplied, but the time and effort for forming and stacking blanks from coil material are troublesome. Met. Moreover, when purchasing a material, the blank material was more expensive than the coil material. Further, it is necessary to frequently carry out setup work such as blank stack supply, which requires manpower.

An object of the present invention is to provide a press blank supply device that enables simultaneous processing of parts with different material specifications in a press and that can supply blanks efficiently at low cost.

[0007]

In the blank supplying device for a press according to the present invention, a shuttle feeder for carrying in a blank is arranged on a press line, and a first blanking device is arranged parallel to the press line at a starting end of a transportation path of the shuttle feeder. And the second blanking device is connected in the direction orthogonal to the press line, the first blanking device is provided with the first coil feeder and the shear, and the second blanking device is connected to the second blanking device. It is equipped with a coil feeder and a shear.

In the blank supplying device for a press according to the present invention, two blanks separately molded by the first and second blanking devices are simultaneously supplied to the press by the shuttle feeder. By supplying different types of coil materials to the coil feeders of the first and second blanking devices, it is possible to simultaneously process parts with different material specifications by a press. Moreover, since the coil material is used, the material cost is low as compared with the case of using a preformed blank, and the blank supply operation can be continuously and automatically performed.

Further, when the press center and the blanking center of the first blanking device are aligned with each other, the coil material from the first blanking device is directly fed in the state in which the second blanking device is stopped. Sending processing is possible.

Further, the first blanking device is provided with a first blank delivery device for connecting between the shear and the shuttle feeder, and the first blank delivery device includes the first blank suction member and the first blank suction member. A first guide for guiding the movement between the first shear and the shuttle feeder is provided. When the first guide is supported by the swing body around the vertical axis, the first blank suction member is pressed by the first guide. If the first guide is installed so as to be guided in the direction away from the press center in the width direction, the blank formed by the first blanking device is supplied to the press in a state of being displaced in the direction away from the press center. can do. Therefore, in the case of taking two pieces, the blank can be directly supplied to the mold installed eccentrically with respect to the press center.

Further, the second blanking device is provided with a second blank delivery device for connecting the second shear and the shuttle feeder, and the second blank delivery device comprises the second blank suction member and the second blank suction device. A second guide for guiding the movement of the member between the second shear and the shuttle feeder. When the second guide is supported by the press line parallel direction moving body, the blank from the second blanking device is provided. When the supply is unnecessary, the second blank delivery device can be removed from between the shear and the shuttle feeder, and the blank formed by the second blanking device can be stacked in the space formed there. .

[0012]

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

In the following description, the front and rear sides are referred to as the front side and the opposite side is the rear side with reference to FIG. 1, and the left and right sides are the left and right sides when viewed from the front. To do.

Referring to FIG. 1, the transfer press 11, the shuttle feeder 12 and the first blanking device 21 are sequentially arranged from the front to the back, and the second blanking device 22 is provided on the right side of the shuttle feeder 12. It is arranged.

The first blanking device 21 is arranged from the first shear 21C to the shuttle feeder 12 and the first uncoiler 21A, the first feeding device 21B and the first shear 21C which are sequentially arranged from the rear to the front. It is provided with a first delivery device 21D.

The second blanking device 22 is disposed from the second shear 22C to the shuttle feeder 12 and the second uncoiler 22A, the second feeding device 22B and the second shear 22C which are sequentially arranged from the right to the left. The second delivery device 22D is provided.

The transfer press 11 includes a press 11 main body 31.
(Only the abrite is shown here) and the press 11 body 31
It is provided with a bolster 32 installed inside and a pair of left and right feed bars 33 extending sideways of the bolster 32 in the front-rear direction.

A plurality of molds 34 are arranged on the bolster 32 in the front-rear direction at predetermined intervals. A plurality of crossbars 35 are fixed to both feed bars 33 at intervals equal to the intervals of the molds 34. Each crossbar 35 has a blank suction member 36
Is attached.

Both feed bars 33 are of the two-dimensional cross bar conveying type of vertical movement and forward and backward movement.

Further, in FIG. 1, the press center is shown by a chain line L0, the first blanking center is shown by a chain line L1, and the second blanking center is shown by a chain line L2. The press center L0 refers to a straight line extending in the front-rear direction passing through the center of the mold 34 in the width direction. The first blanking center L1 refers to a straight line extending in the front-back direction passing through the center of the coil material processed by the first blanking device 21 in the width direction, and the second blanking center L2 is processed by the first blanking device 21. A straight line extending in the left-right direction passing through the center of the coil material in the width direction. The press center L0 and the first blanking center L1 are made coincident with each other, and these centers L1 and L2 and the second blanking center L2 are made orthogonal to each other.

Referring to FIGS. 3 and 4, the shuttle feeder 12 is a rectangular parallelepiped base frame extending in the front-rear direction.
41, a side frame 42 having a U-shaped cross section extending in the front-rear direction, which is provided on the top of the base frame 41 so as to be opposed to each other with a space left and right, and the front-rear direction provided on the tops of both side frames 42. A pair of left and right guide rails 43, a drive pulley 44 passed to the front end of the side frame 42, a driven pulley 45 passed to the rear end of the side frame 42, the drive pulley 44 and the driven pulley 45. A belt 46 wound around the belt 46 and a conveyance table 48 slidably supported by both guide rails 43 and connected to an upper movement path of the belt 46 by a connecting member 47 are provided.

The connecting member 47 has a function of detachably connecting the carrying table 48 thereto. When the connection by the connecting member 47 is released, the transport table 48 can be easily and easily removed from the belt 46 and the connecting member 47.

The transport table 48 is a rectangular horizontal plate that is long in the left-right direction. On the upper surface of the transport table 48, a plurality of positioning members 49 are provided along the two large and small areas A1 and A2 so that the blanks B1 and B2 of two different sizes can be positioned (FIG. 2, FIG. 7).

By moving the belt 46 in the forward and reverse directions, the transport table 48 is reciprocated between the receiving station S1 and the delivering station S2.

The first delivery device 21D is shown in detail in FIGS. 5 and 6. In FIG. 5, the front-back direction is shown to be opposite to the direction shown in FIG.

The first delivery device 21D includes the shuttle feeder 12
And a first base 21C, and a rectangular parallelepiped base frame 51 extending in the front-rear direction, a guide table 52 supported by the base frame 51 so that the base table 51 can be raised and lowered, and the guide table 52 is positioned to the left of the guide table 52. A post 54 standing on the base frame 51 and having a horizontal disk-shaped turntable 53 on the top, a horizontal wing-shaped movable guide frame 55 supported by the turntable 53, and freely movable in the length direction of the movable guide frame 55. Vertical plate slider supported by
56, a transfer arm 57 fixed to the slider 56, and a suction member 58 attached to the tip of the transfer arm 57.

An inverted L-shaped arm 61 is provided on the rear edge of the top of the base frame 51 so as to project upward. Base frame 51
Cradles 62 are provided at two points on the front edge of the top. arm
The height of the tip 61 is higher than the height of the cradle 62.
A fluid pressure cylinder 63 is mounted vertically upward at approximately the center of the front edge of the top portion of the base frame 51.

The guide table 52 is provided on a pair of left and right side plates 64, a plurality of free roller rows 65 continuously extending in the lengthwise direction of both side plates 63, and on the lower edges of front end portions of both side plates. It is composed of a connecting plate 66.

Rear ends of both side plates 64 are swingably attached by a horizontal pin 67 to the tip of the arm 61 so that the guide table 52 can straddle the tip of the arm 61 and the pedestal 62. Stopper pieces 68 are fixed at three places where the connecting plate 66 is equally divided in the length direction. The piston rod of the fluid pressure cylinder 63 is connected to the center of the length of the connecting plate 66.

By the operation of the fluid pressure cylinder 63, the guide table 52 is undulated between the horizontal posture shown by the solid line in FIG. 5 and the forward and downward inclined posture shown by the chain line.

A recess 71 extending in the lengthwise direction of the movable guide frame 55 is formed in the middle of the height of one side of the movable guide frame 55. A tube 72 of a rodless cylinder is provided on the vertically opposed end faces of the recess 71. A pair of upper and lower horizontal rails 73 are provided on both upper and lower sides of the recess 71 so as to sandwich it.

A slider 74 of a rodless cylinder is connected to the center of one surface of the slider 56. Guide members 75 fitted to the rails 73 are provided above and below the connecting portion of the moving element 74.

Referring again to FIG. 4, the second delivery device 22D
Has the same basic structure as the first delivery device 21D,
The front, rear, left, and right directions are different, and the design dimensions are different.

Regarding the portions corresponding to the first delivery device 21D, the same reference numerals are given to the second delivery device 22D, and the description thereof will be omitted. Only the differences between the two will be described below.

The second delivery device 22D can be moved away from the second blanking line. That is, a pair of left and right traveling rails 81 extending in the front-rear direction extend between the shuttle feeder 12 and the second shear 22C, and the second delivery device 22D is mounted on this. Wheels 82 running on rails 81 are attached to the bottom of the base frame 51.

The traveling rail 73 extends across the second blanking line to the front and rear sides thereof. It is positioned behind the second delivery device 22D, and the carriage 83 is mounted on the traveling rail 73.
And the post pallet 84 is placed (FIGS. 1 and 2).

Next, the blank supply operation will be described.

The first coil material C1 is attached to the first uncoiler 21A.
However, the second coil material C2 is supported by the second uncoiler 22A. The first coil material C1 is wider than the second coil material C2.

The first coil material C1 is the first uncoiler 21A.
While being rewound from the front, it is fed forward by the first feeder 21B and cut by the first shear 21C to form the first blank B1. Similarly, from the second coil material C2 to the second
A blank B2 is formed.

The first movable guide frame 55, when viewed from the plane, moves toward the first blanking center L as it goes forward.
Moving from 1 to the right, the first blanking center L1B1
The oscillating position is adjusted so that an angle of about 10 degrees is provided with respect to. On the other hand, the second movable guide frame 55 is parallel to the second blanking center L2 and is oriented straight in the left-right direction.

The first blank B1 cut by the first shear 21C is received by the guide table 52. At this time, the guide table 52 is in a tilted posture. Transfer arm 57
Are held in the retracted limit, and the suction member 58 is positioned directly above the first blank B1 on the guide table 52. Further, the transport table 48 is put on standby at the receiving station S1.

When the guide table 52 is swung from the inclined posture to the horizontal posture by the operation of the fluid pressure cylinder 63, the suction member 58 sucks the first blank B1 on the guide table 52. When the guide table 52 is returned to the inclined posture again, the transfer arm 57 is moved forward and the first blank B1 is moved forward together with the transfer arm 57. When the transfer arm 57 reaches the forward limit, the first blank B1 is positioned right above the large area A1 on the transfer table 48. When the suction member 58 is released from the suction, the first blank B1 is placed in a state of being positioned on the large area A1.

The second blank B2 cut by the second shear 22C is processed in the same manner as the first blank B1 and the second delivery device 22 is used.
It is placed in a state of being positioned on the small area A2 by D.

When the first and second blanks B1 and B2 are placed on the carrying table 48, the carrying table 48 is moved forward. When the first and second blanks B1 and B2 placed on the transport table 48 are carried into the transfer station S2, the suction member 36 of the feed bar 33 is on standby above both blanks B1 and B2. When the feed bar 33 descends and the adsorption member 36 adsorbs both blanks B1 and B2, the feed bar 33 rises, and then the feed bar 33.
Moves forward and both blanks B1 and B2 are fed into the mold 34. The two blanks B1 and B2 that have been fed are kept at an interval suitable for machining.

The above is the first and second blanking devices.
21 and 22, using the large and small first and second blanks B1,
The case where B2 is simultaneously supplied to the press 11 has been described.

FIG. 8 shows the case where the blank B3 is supplied to the press 11 only from the first blanking device 21.
Will be described with reference to.

The first movable guide frame 55 is held in a posture in which it is oriented straight in the front-rear direction. The second movable guide frame 55 is moved in the clockwise direction 9 from the state when the blank is supplied.
It is rotated by 0 degrees and is directed to the left and right. The base frame 51 is moved forward from the state when the blank is supplied, and the entire second delivery device 22D is retracted from the second blanking line. Instead of the second delivery device 22D, a truck 83 and a pallet 84 are drawn therein.

Blank B3 cut at the first shear 21C
Are loaded on the transport table 48 by the first delivery device 21D. The transport table 85 is replaced with another one corresponding to the blank B3 to be stacked. The widthwise center of the blank B3 on the transport table 85 is aligned with the press center L0.

In some cases, the coil material C1 may be directly supplied to the press 11 as a blank without being cut, instead of the cut blank B3. In that case, 1st shear 21C
And the first delivery device 21D is deactivated. The transport table 85 is removed, and a guide (not shown) for receiving and guiding the coil material C1 called a roller roller is installed instead.

While the first blanking device 21 supplies the blank B3 or the coil material C1, in the second blanking device 22, other devices 22A, 22 except the second delivery device 22D.
B and 22C are activated. The blanks cut by the second shear 22C are guided by a guide (not shown) and stacked on the pallet 84.

[0051]

According to the present invention, there is provided a press blank supply device capable of simultaneously processing parts with different material specifications in a press and efficiently supplying a blank at low cost. Further, with one press, it is possible to carry out cup carrying processing, finger carrying processing, and progressive processing.

[Brief description of drawings]

FIG. 1 is a plan view of a blank supply device according to the present invention.

FIG. 2 is a partially enlarged plan view of FIG.

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

FIG. 4 is a sectional view taken along line IV-IV of FIG.

5 is a sectional view perpendicular to line VV of FIG.

6 is a sectional view taken along line VI-VI of FIG.

FIG. 7 is a perspective view of the blank supply device.

8 is a plan view corresponding to FIG. 1 showing a blank supply operation different from FIG.

[Explanation of symbols]

12 shuttle feeder 21 First blanking device 22 Second blanking device 21A 1st Uncoiler 21B 1st feeder 21C 1st shear 21D First delivery device 22A Second Uncoiler 22B 2nd feeder 22C 2nd shear 22D Second delivery device 51 base frame 53 turntable 55 Guide frame 58 Adsorption member L0 Press Center L1 blanking center

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Mitsumune Araki             8-28 Jiyugaoka, Kanazu Town, Sakai District, Fukui Prefecture             Issue H & F Co., Ltd. (72) Inventor Kiyoshi Takeda             8-28 Jiyugaoka, Kanazu Town, Sakai District, Fukui Prefecture             Issue H & F Co., Ltd. (72) Inventor Shinkai Ukai             Nakhonluang City, Ayutthaya Province, Thailand             Npurakuru Town 117 Mu-4 Sahara             Tananacon Industrial Park, Marujun Co., Ltd. (72) Inventor Kiyoaki             Nakhonluang City, Ayutthaya Province, Thailand             Npurakuru Town 117 Mu-4 Sahara             Tananacon Industrial Park, Marujun Co., Ltd.

Claims (4)

[Claims] 1. A blank feeding shuttle feeder 12 is arranged on a press line, and a first blanking device 21 is connected to a starting end of a transportation path of the shuttle feeder 12 in a direction parallel to the press line, and a second blanking device. The device 22 is connected from the direction orthogonal to the press line, and
The blanking device 21 is provided with the first coil feeders 21A and 21B and the shear 21C, and the second blanking device 22 is provided with the second coil feeders 22A and 22B and the shear.
Blank feeding device for press equipped with 22C. 2. The press blank supply device according to claim 1, wherein the press center L0 and the blanking center L1 of the first blanking device 21 are aligned with each other. 3. The first blanking device 21 is a first shearing device.
It is equipped with a first blank delivery device 21D that connects between 21C and the shuttle feeder 12, and the first blank delivery device 21D
The first blank suction member 58 and the first guide 55 that guides the movement of the first blank suction member 58 between the first shear 21C and the shuttle feeder 12 are provided, and the first guide 55 swings around the vertical axis. The movable body 53 is supported by the moving body 53.
Blank supply device for press according to. 4. The second blanking device 22 comprises a second shearing device.
It is equipped with a second blank delivery device 22D that connects the 22C and the shuttle feeder 12, and the second blank delivery device 22D,
A second blank suction member 58 and a second guide 55 that guides the movement of the second blank suction member 58 between the second shear 22C and the shuttle feeder 12 are provided, and the second guide 55 is parallel to the press line. The mobile body 51 is supported by the mobile body 51.
The blank supply device for presses according to any one of 3 to 3.