JP2703995B2 - Knife forming equipment for sheet processing - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application field] The present invention relates to a thin band-shaped sheet used for punching a sheet such as paper, a plastic sheet, a corrugated cardboard or the like into a predetermined shape by punching press working or the like, or forming a crease. The present invention relates to a forming apparatus for automatically cutting a sheet processing knife into a predetermined shape and performing a bending process.

(Prior art)

In recent years, the technology of punching or creasing corrugated cardboard, cardboard, and the like into various shapes has been rapidly and rapidly automated.

This is mainly a computer-aided design system (CA
D) largely depends on the development.

In such a sheet processing apparatus using CAD, first, a drawing such as an exploded view of a box for punching is created,
This is stored in the computer as numerical data. Using the punching-type drawing data stored in the computer, the knife holding groove of the knife holder for setting the knife is machined by a laser beam machine.

FIG. 42 is a perspective view showing a knife holding groove b formed on a knife holding table a by the laser processing machine and a knife n fitted into the knife holding groove. The knife n has a bridge c.

[Problems to be solved by the invention]

As described above, in this field, a technique for automatically processing the knife holding groove b based on numerical data obtained by CAD has been established. However, the cutting and cutting of the knife n fitted into such a knife holding groove b has been established. Bending is still manual and automation has not been attempted so far.

Accordingly, an object of the present invention is to provide a sheet processing knife forming apparatus capable of automatically performing cutting and bending of the knife n based on numerical data obtained by the CAD or the like. It is to provide.

[Configuration of the invention]

In order to achieve the above object, the main means adopted by the present invention is the gist of the invention. A stock apparatus for arranging long thin plate-shaped knife materials in layers and stocking one knife material from the stock apparatus. A material supply device for taking out and supplying the material to a subsequent material feeding device, a material feeding device for feeding the supplied knife material in a predetermined length to a subsequent shearing device while keeping the supplied knife material in a horizontal state, and a material feeding device adapted to various knife end shapes. A plurality of shearing dies having a shape, a shearing device for shearing the knife material fed by the material feeding device in a horizontal state, and a knife feeding device for feeding the sheared knife to a subsequent posture changing device. A posture changing device for changing the posture of the fed knife so that its tooth tip faces upward, and then transferring the knife to a subsequent knife positioning device; It has a knife positioning device that moves the knife delivered from the posture changing device to a predetermined position while maintaining its posture, and a plurality of bending dies that are shaped according to various knife bending shapes, and is positioned by the knife positioning device. And a bending device for bending the knife by sandwiching the cut knife between the bending dies.

The knife in the present invention is a concept including a rule.

[Action]

The long thin plate-shaped knife materials arranged in layers in the stock device are sequentially supplied one by one to the material feeding device by the material supply device. At this time, the knife material is usually stocked with the blade edge up so that the blade edge of the knife is not damaged.

On the other hand, in the shearing device in the post-process, the material must be kept horizontal, so the material supply device that supplies the material from the stock device to the material feeding device rotates the knife material after removing it from the stock device. The knife material is directed horizontally and fed to the material feeder in that state.

In a shearing device for shearing a knife material to form each knife, the knife material is sheared to predetermined dimensions in accordance with numerical data stored in the CAD. Therefore, the material feeding device feeds a predetermined length of material to the shearing device in accordance with data sent from the CAD, and shears the end face and the bridge portion.

There are several types of processing shapes of the knife end surface, and the shearing device is provided with a plurality of shearing dies having shapes adapted to such various knife end shapes, and it is not possible to determine which shearing die to use. Selected according to data from CAD.

Although the knife that has been sheared by the shearing device remains in a horizontal state, it is easier to hold the knife in a vertical position in order to bend the knife in accordance with the shape of the knife holding groove b. Therefore, the sheared knife is sent to a posture changing device that changes the posture of the knife by a knife feeding device. The knife is now turned so that its cutting edge is facing upwards and is passed to the knife positioning device.

As shown in FIG. 42, the bending position, bending angle, roundness, etc. of the knife must be the same as the knife holding groove b, so that the knife is bent by the knife positioning device into a bending die for knife bending. It is positioned at a predetermined position. As described above, various combinations of the bending angle of the knife and the size of the roundness can be considered according to the turn of the punched sheet. Therefore, the bending apparatus for bending the knife has a shape adapted to various knife bending shapes. A plurality of bending dies are provided, and a bending die to be used is selected based on information from the CAD.

In this manner, the knife held at a predetermined position by the knife positioning device is subjected to bending by the selected bending die, and has an arbitrary shape that fits into an arbitrary knife holding groove as shown in FIG. Knives are formed.

〔Example〕

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings to provide an understanding of the present invention.

1 to 41 relate to a sheet processing knife forming apparatus according to one embodiment of the present invention, and FIGS. 1 and 2 are a schematic front view and a schematic plan view showing the entire structure thereof. 3 and 5 show the entire shearing process section of the forming apparatus. FIG. 3 is a front view, FIG. 4 is a plan view, FIG. 5 is a longitudinal sectional view, and FIG. The drawings are side views as viewed from the side of the shearing device, FIGS. 7 to 9 relate to a material supply device used in the embodiment, FIG. 7 is a front view thereof, FIG. 8 is a partial side view thereof, FIG. Fig. 9 is a side view of the main part, Figs. 10 to 14 explain the material feeding device in the shearing process section, Fig. 10 is a side view, Fig. 11 is a plan view, Fig. 12 FIG. 13 is a cross-sectional view of a main part of the guide rail, and FIGS. 13 and 14 are cross-sectional views of a main part for explaining a driving part of the guide rail and its movement, respectively, FIGS. Serve to illustrate the cutter base portion of the shearing device, FIG. 15 is a front view, a
FIG. 16 is a plan view, FIG. 17 is a partial side sectional view thereof, and FIG.
FIG. 20 to FIG. 20 are views for explaining a small belt portion in the shearing apparatus, and FIG. 18 is a partial side view thereof,
19 is a front view thereof, FIG. 20 is a plan view thereof, FIG. 21 is a front view showing the entire conveyor belt, FIGS. 22 to 24 show the entire bending section, and FIG. Fig. 23 is a front view, Fig. 24 is a side view, Fig. 25 is a plan view of the posture changing device in the bending process part, Fig. 26 is a partial side view thereof, and Fig. 27 is the same bending. FIG. 28 is a side view of the knife positioning device in the process section, FIG. 29 is a side sectional view of a column mounting drum used in the bending process section, and FIG. 30 is a front section showing a drive device of the bending column. Fig. 31, Fig. 31 is a partial plan view of the driving device, Fig. 32 is a sectional view taken along the line AA in Fig. 31, and Figs. 33 to 37 are contents of a bending column for mounting the bending die. FIG. 33 is a partial plan view of the bending column, FIG. 34 is a cross-sectional view of the bending column cut at a guide groove portion, and FIG. The bending Column central front view, Figure 36 is a side sectional view of the bending column, Figure 37 is a fragmentary plan view showing a mounting portion of the compression spring of the same bending column, 38
FIGS. 41 to 41 show a knife direction correcting device used in the bending section, and FIG. 38 is an overall front view thereof, and FIG.
The figure is a schematic plan view of the gripping claw portion, FIG. 40 is a partial side view of the gripping claw portion, and FIG. 41 is an overall plan view thereof.

The following embodiment is an example embodying the present invention, and does not limit the technical scope of the present invention.

1 and 2 are a front view and a plan view, respectively, showing a schematic configuration of the entire knife forming apparatus according to one embodiment of the present invention.

First, a schematic configuration of the apparatus of this embodiment will be described with reference to these drawings, and thereafter, the respective main parts will be described in detail.

As shown in these figures, this apparatus includes a shearing section 1 for shearing a knife material to a predetermined length and punching a bridge section, and a bending section 2 for bending each cut knife. It comprises a knife transport section 3 such as a reaction belt for connecting the processes.

The shearing section 1 includes a stock device 4 for stocking long thin plate-shaped knife materials in a layered manner. The stock apparatus 4 in this example includes a knife stock section 4a for stocking a knife material having _a blade formed on an end face, and a rule stock section for storing a rule having no blade formed on an end face.
_4b . The knife stock unit 4 _a and crease the stock unit 4 _b is provided lifting table 5 is driven vertically to allow stopped at a predetermined position on the material supply apparatus to be described later. Reference numeral 6 denotes an air cylinder for driving up and down.

On the front side of the stock device 4, the stock device 4
There is provided a material supply device 8 for taking out the knife materials including the ruled material arranged one by one and supplying the knife material to a material feed device 7 thereunder.

The material feeding device 7 provided below the material feeding device 8 is for feeding the supplied material to the subsequent shearing device 9 while keeping the fed material in a horizontal state, and the feeding amount is as described above. A predetermined amount is set based on CAD data. Therefore, the material feeder 7 is provided with a feed screw or the like for accurately controlling the amount of material to be fed out, and firmly holds the end of the knife material even in the state of being processed by the shearing device 9. It has a powerful clamping device that can be gripped.

The knife material sent out by a predetermined amount by the material feeder 7 is inserted into a shearing device 9 and is sheared by various shearing dies in accordance with various knife end shapes. Normally, as a mode of the shearing processing of the knife material as described above, there are a case of cutting into a forward taper, a case of cutting into a reverse taper, and a case of cutting into a special shape called decorative processing. Also, the above-mentioned rule is cut in a corresponding special mode.

Therefore, in this embodiment, a cutter table 9 _a , 9 _b , 9 _c , 9 _d having four different shearing dies is provided, and these cutter tables 9 _{a to} 9 _d are provided for the material feeding device 7. It is moved in a direction perpendicular to the transport direction and is selectively used. Further, the cutter block 9 _a to 9 cutter block 9 dedicated for performing bridging processing in the conveying direction upstream side relative to the _{d e} is the cutter block 9 _a
It is provided retractably in the same direction as the to 9 _d.

Each knife cut out in one of the cutter base 9 _a to 9 _d are the fed to the knife transport unit 3 by a small belt for conveying discussed after is provided at the conveying direction downstream side of the cutter block.

In this embodiment, the knife transport unit 3 includes a transport belt _3a.
Embodied by

Knife conveyed by the conveying belt 3 _a is fed to the bent portion 2, is delivered to the posture change device 10 of the knife. The posture changing device 10 is for changing the posture of a knife fed in a horizontal state so that its blade edge is directed upward, and then transferring the knife to a succeeding knife positioning device 11. As described above, by carrying the knife edge upward and performing bending in that state, there is no inconvenience that the knife edge rubs against a bending surface plate or the like and is damaged.

The knife positioned and held at the predetermined position by the knife positioning device is gripped by the shearing dies of the bending device 12, and is shaped into an angle and roundness according to the shape of the shearing dies. The bending position and the bending angle of the knife, and the degree of the roundness, are specified by CAD according to the pattern of the sheet to be punched.

Therefore, a bending process is performed on a predetermined position of the knife set by the knife positioning device, and a bending angle and a degree of roundness corresponding to the shape of the selected bending die are given to the knife, and the setting is performed by CAD. The knife is cut and bent so as to obtain an arbitrary cut or folding pattern.

Subsequently, each element constituting this embodiment will be described in detail with reference to the accompanying drawings in FIG.

FIGS. 3, 4, 5, and 6 are a front view, a plan view, a longitudinal sectional view, and a left side view, respectively, showing the entire shearing section 1. First, the stock apparatus 4 will be described. The stock unit 4 is configured to accommodate divided into separate upper and lower the knife and ruled as described above, are more configuration and upper knife stock unit 4 _a and the lower crease the stock unit 4 _b. The knife stock unit 4 _a and crease the stock unit 4 _b is respectively attached to the lateral frame 13 _a and 13 _b. Both lateral frame 13 _a, 13 _b are connected vertically by wires 14, 14,
Further lateral frame 13 _a of the upper stage is suspended in the guide block 16, 16 by a wire 15 and 15. The guide blocks 16, 16 are fixed to both ends of the frame 18 in the horizontal direction, and are slidably guided by the body frames 17, 17 in the vertical direction.

The other ends of the wires 20, 20 with the balance weights 19, 19 attached to one end thereof are engaged with the guide blocks 16, 16, respectively. These wires 20, 20 are connected to the body frame 17,
It is wound around pulleys 21 and 21 provided at the upper stage of 17.

Further, the transverse frame 13 _b of the lower side rod upper end of the air cylinder 6 for vertically driving the transverse frame 13 _b is engaged.

Therefore, by driving the air cylinder 6,
Can be reciprocally raised and lowered between a lower limit position (not shown) and the upper limit position shown in FIG said lateral frame 13 is connected to the wire 14, 14 _a, 13 _b. At that time, the lateral frame 13 _a and the guide block connected thereto via the wire 15, 15 16, 16
Since via wires 20, 20 are pulled up the balance weight 19 upwards, by the driving of the air cylinder 6, to lift moves with the horizontal frame 13 _b of the lower.

In the upper limit position shown in FIG.
ruffled stock unit 4 _b on _b faces the 8 to the material supply. Further, the lower limit position to drawn down the two lateral frame 13 _a, 13 _b, the knife stock unit 4 _a provided on the upper horizontal frame 13 on _a faces the material supply device 8.

The knife stock unit 4 _a and crease the stock unit 4 _b has only differ subject to stock are quite made of the same structure. As an example, the crease stock unit 4 _b with reference to FIGS. 7 and 8 illustrating the structure thereof. The above horizontal frame 13
_A guide plate 23 is attached to _b so as to be swingable about a pin 22 in order to make the attachment angle variable. The mounting angle of the guide plate 23 is adjusted by the tightening position of the bolt 24. On the guide plate 23, a sliding plate 25 whose mounting position can be adjusted in the front-rear direction with respect to the guide plate 23 is mounted.

A stopper 26 is provided at the tip of the sliding plate 25. A weight 28 slidable along an elongated hole 27 (FIG. 7) is provided on the upper surface of the sliding plate 25, and knives are arranged in a layered manner between the stopper 26 and the weight 28. A work W made of a material or a ruled material is placed.
Such a work W is supplied by a material supply device 8 described later.
The amount is reduced by being sequentially taken away from the one in front of it. As the work W decreases, the weight 28
, And the work is always kept aligned.

8, the state in which the sliding plate 25 is lowered to the rear (25 ') and the state in which it is extended to the front (25 ") are clearly indicated by two-dot chain lines. By adjusting the 25 positions, it is possible to cope with works of various sizes.

In this stock state, the knife is stocked with the blade edge up so that the blade edge of the knife is not particularly damaged.

In the state where the cutting edge of the work W is directed upward,
It will be apparent from the description of the material supply device 8 described later that the arrangement as shown in the figure is extremely rational in connection with the subsequent supply conditions of the knife material to the shearing device 9.

Next, with reference to FIGS. 5, 6, 8, and 9, a description will be given of the material supply device 8 that sequentially supplies the workpieces W aligned in the above-described manner to the material feeding device 7 one by one. I do.

A deceleration motor 30 provided on a motor mounting frame 29 provided adjacent to the main body frame 17 is connected to shafts 33, 33 via gears 31, 32.

The shaft 33, as shown in FIG. 4 bearing 35 _a, 35 _b
, And supports four suction nozzles 36, 36,... Via four brackets 34, 34,. Each of the suction nozzles 36 is connected to a negative pressure source via a hose and a valve (not shown).

The distal end of the suction nozzle 36 is connected by a flexible joint member that can swing freely, and can flexibly cope with an aligned work Wa in a slightly inclined state as shown in FIG.
The work Wa can be reliably sucked, and when the suction nozzle 36 is lifted by the rotation of the shaft 33, even if the sucked lower end of the work Wa is caught on the stopper 26, the work Wa can be flexibly shaken so that the work Wa can be moved. It is configured to be lifted without leaving the nozzle.

Therefore, by rotating the deceleration motor 30 forward or backward, the shaft 33 is rotated, and the suction nozzles 36, 36,.
Is rotated 270 ° counterclockwise about the shaft 33 from _a position (36a) facing the material feeder 7 to a position ( _36b ) facing the material feeder 7. that time,
Negative pressure by the action of the suction nozzle 36 at the position (36 _a) facing the workpiece W to stick suck the head of the workpiece W _a suction nozzle 36. By the suction nozzle 36 270 ° rotation as described above in this state, to lift the head of the workpiece W _a, with separated from the other remaining workpiece W, the material feeder 7
And by releasing the negative pressure in the position (36 _b) facing, disconnect the workpiece 36 _a from the suction nozzle 36, is supplied to the material feeding device 7.

Workpieces that are aligned with their cutting edges facing up as described above
Rotating 270 ° and feeding the material feeder 7 in a horizontal state is important for the protection of the cutting edge and the subsequent material shearing operation.

The suction nozzles 36 are attached to the bracket 34 via an air cylinder 37 provided on the bracket 34. Therefore, by driving the air cylinder 37, the suction nozzle 36 can be pressed against the work W in the stock state, or the work can be lowered on the material feeder 7 until the work approaches the material feeder 7, Thereby, the suction of the suction nozzle 36 can be surely performed, and the knife material falls from a high position onto the material feeding device 7 to damage the blade edge of the knife or damage the alignment of the knife material. The inconvenience is resolved.

Next, the details of the raw material feeding device 7 will be described. Such a feeder 7 is shown in FIG. 3, FIG. 4, FIG. 5, FIG.
Although shown in FIGS. 9 and 10 to 12, especially FIG.
This is shown in detail in FIGS. Figure 12 is a cross-sectional view of such a material transporter 7, it passed the workpiece W _a by the suction nozzle 36 is transported in a direction perpendicular to the plane of Figure 12. As shown in FIG. 12, a horizontal mounting plate 40 is fixed to a vertical bracket 39 fixed to the main body base 38. A fixed lower guide rail 41 is fixed to the distal end of the mounting plate 40, and a fixed upper guide rail 42 is fixed to the upper surface of the lower guide rail 41 on the distal end side.

Further, the bracket 43 provided on the main body base 38 so as to face the bracket 39 has a rail 44 on the upper side thereof in a direction perpendicular to the work transfer direction. This rail 44
Is guided by the, the slider 45 _a and the rear slider 45 _b before sliding in a direction perpendicular to the work conveying direction, the lower guide rail of each movable side facing the lower guide rail 41
46 and the movable side upper guide rail 47 are fixed.

Further, as shown in FIG. 14, the movable-side lower guide rail 46 is connected to an air cylinder 49 provided on the bracket 43 via a link portion 48. As shown in FIG. 13, an air cylinder 51 mounted on the bracket 43 via a link 50
It is connected to.

Further, a rail 52 parallel to the knife material conveying direction is fixed to the lower surface of the mounting plate 40. 53 is the above rail
This is a slider that fits with the slide 52 and is slidable in the longitudinal direction of the rail 52. A screw block 55 is further fixed to the lower surface of the mounting plate 54 fixed to the lower surface of the slider 53. The screw block 55 is screwed with a carrying screw 56 provided in parallel to the knife material conveying direction. This carries a screw 56 as shown in FIG. 4, the rotatably supported by the main body base 38 bearing 57 provided on _a, 57 _b, it is rotatably driven by a reduction motor 58 connected to its end.

Therefore, by rotating the carrying screw 56 by the deceleration motor 58, the screw block 55 to be screwed with the screw and the mounting plate 54 integrated therewith are moved by a predetermined amount in the direction perpendicular to the plane of FIG. Can be moved.

A connecting member 59 provided at an end of the mounting plate 54 is provided with a clamper 61 driven by the air cylinder 60 via an air cylinder 60 at an end thereof. The clamper 61 strongly grips the rear end of the knife material placed horizontally.

Accordingly, as shown in FIGS. 11 and 12, the clamper 61 is carried by the carrying screw 56 in the groove 62 between the lower guide rails 41 and 46, and the grasped knife material is moved forward by the shearing device. The sheet is conveyed accurately by a predetermined amount in the direction of 9.

The movable-side lower guide rail 46 and the movable-side upper guide rail 47 are in the positions shown in FIG. 9 in the standby state. At this time, the width l of the groove 62 between the lower guide rails 41 and 46
Is set narrower than the width of the knife material Wa, the workpiece Wa conveyed by the suction nozzle 36 is in a state in which both ends are bridged by the lower guide rails 41 and 46.
In this standby state, the distance between the upper guide rails 42 and 47 is set slightly larger than the width of the knife material Wa, so that the knife material carried down by the suction nozzle 36 and lowered.
Wa is easily inserted between the upper guide rails 42 and 47.

As shown in FIG. 9, when the work Wa is conveyed to a position facing the material feeder 7 and descends onto the lower guide rails 41 and 46, the end of the work Wa is tapered by the upper guide rail 42. Even if the suction nozzle 36 is slightly caught on the corner portion, it can flexibly cope with the swing motion of the tip of the suction nozzle 36.

Therefore, as shown in FIG.
With the 46 and the upper guide rail 47 at the standby position, the shaft 33 rotates and the knife material Wa adsorbed by the suction nozzle reaches a predetermined position above the center line of the groove 62. Thereafter, the air cylinder 37 is operated, and the suction nozzle 36 and the knife material Wa adsorbed by the suction nozzle 36 are placed on the lower guide rails 41 and 46. In this state, the negative pressure acting on the suction nozzle 36 is released, and the knife material Wa continues to be placed on the lower guide rails 41 and 46 even after the suction nozzle 36 is raised. In this state, the air cylinder 51 is operated, and the movable upper guide rail 47 approaches the fixed upper guide rail. As a result, the knife material Wa is sandwiched between the upper guide rails 42 and 47, and the direction of the knife material accurately follows the upper guide rails 42 and 27. That is, it is exactly parallel to the transport direction.

Further, in this state, the air cylinder 51 is driven to move the upper guide rail 47 on the movable side away from the knife material Wa, thereby preventing the knife blade edge from being damaged when the knife material is transported thereafter.

The reduction motor 58 in this state is rotated leftward from the standby position at the right end of the screw block 55 and the clamper 61 mounted thereto shown by dashed lines in FIG. 10 (61 _a) by carrying action of the carrying screw 56, That is, the knife material moves in the direction of the shearing device 9 and the rear end of the knife material placed on the lower guide rails 41 and 46 comes into contact with the clamper 61. Then, the deceleration motor 58 is stopped, and the air cylinder 60 is operated, so that the clamper 61 strongly grips the end of the knife material Wa.

Subsequently, the deceleration motor 58 is driven to rotate, and the carrying screw 56
As a result, the clamper 61 and the knife material Wa sandwiched between the clamper 61 are sent toward the shearing device 9. The deceleration motor 58 is constituted by a pulse motor or the like, and its rotation amount is accurately controlled. Therefore, the insertion amount of the knife material Wa into the shearing device 9 is accurately adjusted, and the end of the knife can be cut off or the bridge portion can be processed at a desired position.

After the cutting of the knife material Wa by the shearing device 9 is completed, the clamper 61 is retracted by reversing the carrying screw 56, and the air cylinder 60 is operated at a predetermined position to release the clamper 61, and By operating the air cylinder 39 shown in FIG. 14 to increase the distance between the lower guide rails 41 and 46, the used knife material can be dropped downward and discharged out of the machine.

The knife material fed by the material feeding device 7 as described above is inserted into the shearing device 9 for a predetermined length, and is sheared into a knife having a predetermined shape.

Next, the shearing device 9 will be described with reference to FIG. 4, FIG. 6, and FIG. 15 to FIG. The shearing device 9, as shown in FIG. 4, and the cutter block 9 _e bridge for processing the bridge portion of the knife or ruling, and the cutter block 9 _a to 9 _d of cutting the ends of the knives and ruffled, the Each cutter stand
Is configured by including a small belt 63 _a to 63 _d of the knife discharge provided in the knife downstream side of the 9 _a to 9 _d.

Cutter block 9 _e for the bridge is pushed out to a position where the cut can put the bridge knife material conveyed by the clamper 61 in operation, in the other standby state retracted to a position shown by Figure 4. Such movement of the bridge cutter block 9 _e is performed by an air cylinder 64 provided at right angles to the conveying direction of the knife.

In addition, a cutter table 9 _a to
And 9 _d, small belts 63 _a to 63 _d provided corresponding to the respective cutter base 9 _a to 9 _d are slidable in the direction perpendicular to the knife direction of conveyance on the main frame 17 _a shown in FIG. 15 Are provided integrally on a slide base 65 provided at the, and are sent and positioned in a direction perpendicular to the knife conveying direction by a carrying screw 67 rotated and driven by a motor 66. Figure 68 is a motor for driving the small belt 63 _a to 63 _d.

FIGS. 15 to 17 relate to the structure of the cutter table as described above. Cutter block 9 _a to 9 _d as described above in all the same structure, only the shape of the shearing die attached thereto are different.

FIG. 17, the clamper 61 is shown most intruding state shearing device 9, on the basis of this figure, the structure of the cutter block 9 _a to 9 _d.

Wherein on the Suridomotodai 65 slidably fitted in the guide rail 69 on the body frame 17 _a, the lower die mounting base 71 which forms the base of each of the cutter block 9 _a to 9 _d are fixed Have been. The lower die mount 71 is for fixing the lower die 72 and supports four vertical guide pins 73 screwed on the upper surface thereof.

On the other hand, the upper die mounting base 74 is
Are slidably guided in the vertical direction. A pair of compression springs 75 are compressed between the upper die mount 74 and the lower die mount 71, and the upper surface of the upper die mount 74 is
, The upper limit of the upper die mount 74 is regulated.

The upper die mounting base 74 is provided with an upper die 77, and the upper die mounting base 74 moves up and down, so that the shearing of the knife material Wa gripped by the clamper 61 between the upper die mounting base 74 and the lower die 72. Done. The upward and downward movement of the upper die mount 74 is achieved by the hydraulic cylinder 78 shown in FIG. 3 pressing a pressing portion 79 provided at the center of the upper die mount 74.

Four cutter stands 9 _{a to} 9 _d configured as described above
Is integrally arranged on the slide base 65 as described above, so that the motor 66 is rotated to rotate the carrying screw 67, and the screw block 80 screwed with the carrying screw 67 and the by moving by a predetermined pitch the Suridomotodai 65 fixed in a direction perpendicular to the knife transport direction by the connecting plate 81, the cutter block 9 _a ~ facing the hydraulic cylinder 78
Switching the 9 _d selectively, it is possible to adjust the edge shape of the knife cut from the knife material Wa in use.

Further, the cutter block 9 _e bridge is as already mentioned, it is possible to advance and retract independently of the cutter base 9 _a to 9 _d.
That is, another slide base 82 is provided on the guide rail 69 in parallel with the slide base 65, and the slide base 82
16 bridge cutter first 9 _e shown in FIG. Is provided, the punching of the bridge portion by pressing the upper die 83 of the bridge cutter first 9 _e downward by the hydraulic cylinder 84 which is provided in parallel to the hydraulic cylinder 78 Achieved. still,
The forward / backward movement of the bridge cutter base 9 _e is achieved by an air cylinder 64 connected to the slide base 82 by a joint 85.

Of course, the processing of the bridge must be done before the knife is cut from the knife material, so
Cutter block 9 _e for the bridge is provided to the knife transport direction upstream side of the cutter block 9 _a to 9 _d for processing the knife edge.

Cut out by one of the cutter base 9 _a to 9 _d as described above, the knife Wa bridge processing has been performed in accordance and as required, while the attitude suitable for processing by the bending apparatus 12 will be described later it is desirable to be discharged from the cutter block 9 _a to 9 _d. Therefore in this embodiment is provided with special small belt 63 _a to 63 _d which extends to the vicinity each shearing die cutters base 9 _a to 9 _d corresponding to each cutter block 9 _a to 9 _d.

FIG. 18 shows the state of attachment of the small belts 63 _a to 63 _d, as shown in Figure 19 and Figure 20, the Suridomotodai 65 is reciprocally driven by said stroke screw 67, block roller mounting plate 87 which is provided each pair corresponding to said cutter block 9 _a to 9 _d through the member 86 is fixed vertically. Between the roller mounting plate 87, rotatable four pulleys _{88 a, 88 b, 88 c} , 88 d are provided on the horizontal axis direction. The pool 88 _d is a tension pulley.

Below the roller mounting plates 87, 87, as shown in FIG. 4, four drive pulleys mounted on a shaft 90 which is rotationally driven by the motor 68 via a belt 89 are provided.
91 are provided. The small belt _{63 a (63 b, 63 c} , 63 d)
Correspond to the drive pulley 91 to the tension pulley 88, respectively.
After passing through _d , it is further wound around pulleys 88 _a , 88 _b , and 88 _c , and reaches the drive pulley 91 again.

As with these pulleys, the motor 68 is similar to the sliding base.
65, and the screw 66
When the cutter stand 9 _a to 9 _d as described above via is driven integrally, said small belt 63 _a to 63 _d and pulleys tensioning them, further motor 68 for driving these has integrated The knife material is moved and is selectively disposed opposite to the knife material carried by the clamper 61.

Further, by rotating the motor 68, the small belt 63 _a to 63 _d are traveling in unison, one of the cutter base 9 _a
Knives cut in to 9 _d are, by one of the small belts 63 _a to 63 _d, and is discharged toward the knife transport unit 3 for subsequent.

The pulley 88 _b is provided in the vicinity of the shearing die cutters base 9 _a to 9 _d, the pulley 88 _b and the pulley 88 _a
The 'because there is no substantially less drop knife n which cleaved the small belt of the horizontal portion 63 between the knife n which is sheared and' horizontal portion 63 of the small belts 63 _a stretched between the It is discharged in the direction of the knife transport section 3 (transport belt 92) while being placed without changing its posture.

The knife n after cutting discharged by any of the small belts 63 _a to 63 _d is conveyed toward the bending process portion 2 by the conveyor belt 92 that connects the step portion 2 bend and the shearing process unit 1. Conveyor belt 92 as shown in FIG. 21, the pulley 93 _a and 9
3 _b and amount pulley between the drive pulley 94 provided on the further idle pulleys 95 _a, 95 _b, is configured by a motor 96 via a belt 97, the drive pulley 94 is driven travel by being driven.

Next, the structure of the bending portion 2 of the knife shown in FIG. 22 and below will be described. FIG. 22 to FIG. 24 show a schematic structure of the entire bent portion, and FIG.
The figure is a front view, and FIG. 24 is a side view.

As described above, it is reasonable that the bending of the knife is performed by forcibly pressing the bending die with the knife itself standing upright. At this time, it is desirable to position the knife edge upward so that the knife edge does not contact the knife holder or the like. Therefore, the knife, which has been transported in the horizontal state by the transport belt 92 as described above, must be changed in posture so that its blade edge faces upward.

The posture changing device 10 for changing the posture of the knife will be described below. Body frame 98 of the bending machine 2
As shown in FIG. 25, a substantially U-shaped frame 100 in plan view is fixed to a frame 99 projecting in parallel with the transport belt 92 from above, and the frame 100 is rotatably supported by the frame 100. The shaft 101 is connected to a motor 102 mounted on the frame 99 by a joint 103.

The arm 104 attached to the shaft 101 has the shaft 10
A guide rod 105 slidable in a direction perpendicular to 1 is attached, and an electromagnet bar 106 parallel to the shaft 101 is fixed to the tip of the guide rod 105. The electromagnet bar 106 includes an air cylinder provided on the arm 104.
It is fixed to a piston rod 108 of 107.

The axis of the shaft 101 is set to be directly above the center line of the conveyor belt 92.

Therefore, when the shaft 101 is rotated by the motor 102,
An electromagnet bar 106 connected to the shaft 101 by the arm 104 and the guide rods 105, 105 as shown in FIG.
It can be rotated to a position facing the knife n carried by the conveyor belt 92. In this state, the air cylinder 107 is driven to move the electromagnet bar 106 to the knife n.
, And when the electromagnet bar 105 is energized to be excited, the knife n is attracted to the electromagnet bar 106. Here, the air cylinder 107 is operated again to move the knife n away from the transport belt 92 and transport the knife n to the position shown in FIG.

Thereafter, when the shaft 102, the arm 104 attached thereto and the guide rods 105, 105 are rotated 90 degrees clockwise in FIG.
Moves to the position of 106 _a shown in FIG. 26. Here, the air cylinder 107 is operated again to advance the piston rod 106.

On the other hand, a horizontal mounting surface plate 10 provided on the main body frame 98 is used.
Electromagnet bar 1 which is rotated and moved to the position of the 106 _a on top 9
An electromagnet bar 110 facing in parallel with 06 is provided.
Above between the electromagnet bars 106 _a and 110 are opened somewhat distance, by operating the air cylinder 107 in a state that carried the electromagnet bar 106 to the position of 106 _a is closer to the electromagnet bar 110. In this state, when power is supplied to the electromagnet bar 110 and power supply to the electromagnet bar 106 is stopped, the knife n that has been attracted to the electromagnet bar 106 is attracted to the electromagnet bar 110. At this time, the stop position of the knife n by the transport belt 92 is adjusted so that the tip of the knife n projects slightly forward from the tip of the electromagnet bar 110.

In some cases, the knife conveyed by the conveyor belt 92 may not be bent. In such a case, the electromagnet bars 106 to 1
It is not necessary to perform adsorption to the sheet 10 or the like, and it is desirable to discharge the sheet directly from the conveyor belt 92 to the outside of the apparatus. An air cylinder 112 attached to a frame 111 suspended from the main body frame 98
For this purpose, the electromagnet bar 115 attached to the piston rod 113 of the air cylinder 112 via the bracket 114 is moved to the upper position of the knife n transported by the transport belt 92 by operating the air cylinder 112. (115 _a) to is advanced, the state to adsorb the knife n by energizing the electromagnet bar 115, is further retracted to the position illustrated electromagnet bar 115 by operating the air cylinder 112 in the opposite direction, the electromagnet in this state By turning off the power supply to the bar 115, the knife n is dropped onto a transport belt (not shown) and discharged out of the machine.

More knives adsorbed to the electromagnet bar 110 in the manner mentioned, is delivered to the knife positioner 11 by the electromagnet bar 110, it is conveyed to a predetermined position by the knife positioning position 11, the bending between the die 116 _a, 116 _b Bending is performed by pressing strongly. When performing multiple bending processes on one die, as described in detail below,
After correcting the orientation of the knife by the gripping claws 118 of the knife direction correcting device 117, to correct the position of the knife by knife positioner 11 again, then again bent die 116 _a, 116 _b
Is subjected to bending. In this manner, the knife n which has been bent by the desired number of times is finally gripped by the gripping claws 118 of the knife direction correcting device 117 by repeating the direction correction, positioning operation, and bending of the knife. By rotating the 117, it is discharged out of the machine and transported to a predetermined storage location by a belt conveyor or the like (not shown). Hereinafter, an apparatus for bending a knife as described above will be described with reference to FIGS.

As shown in FIG. 22, the electromagnet bar 110 is connected to a rodless cylinder 119, and by driving the rodless cylinder 119, the same flat surface as the mounting surface plate 109 is mounted on the mounting surface plate 109. It is moved to a predetermined position on the forming platen 120 to be formed. Frame 121 is mounted on the bending plate 120, as shown in Figure 22 and Figure 27, screws 123 carried by bearings 122 _a, 122 _b is rotatably provided. The carrying screw 123 is driven to rotate by a motor 124 connected to the rear end, and the rotation causes the screw block 125 screwed in the middle to be carried in the axial direction.
The screw block 125 has a holding bar 126 at its lower end. At the tip of the holding bar 126, a bracket 127
The permanent magnet 128 is attached via the.

Accordingly, by controlling the rotation of the motor 124, the carrying screw 123 is rotated, and the permanent magnet 128 is bent so that the platen 120 is bent.
And can be positioned at a predetermined position.

The knife positioning device 11 is constituted by the carrying screw 123, the holding bar 126, the permanent magnet 128, and the like.

FIG. 28 is a view of the knife positioning device 11 as viewed from the direction of the permanent magnet 128.

Therefore, the knife n attracted by the electromagnet bar 110 is bent by the rodless cylinder 119 to the bending platen 1.
20 and at the same time the knife positioning device
The motor 124 rotates, and the rotation of the carrying screw 123 causes the permanent magnet 128 to advance together with the holding bar 126 toward the end of the knife n. When the permanent magnet 128 comes into contact with the tip of the knife n, the power to the electromagnet bar 110 is cut off, and the knife n is attracted to the tip of the permanent magnet 128. At this time, as described above, the knife n has its cutting edge directed upward and is in a state along the axis of the permanent magnet 128.

Knife n from electromagnet bar 110 to permanent magnet 128
Delivery, the bending plate 120 to the two bending die 116 which projects onto the upper surface of the bending plate 120 is formed of two holes 129, 129 _a, 116 _b clearance knife n between the Is carried out in a state where is inserted. Electromagnetic bar 110 above
When the transfer of the knife n to the permanent magnet 128 is completed, the rodless cylinder 119 operates in the reverse direction to return the electromagnet bar 110 to the original position, and prepares for the next knife suction.

When transfer of the knife n is completed, the motor 124 is rotated to a predetermined rotation angle, its tip to the permanent magnet 128 is positioned at a predetermined position relative to the knife n is the bending die 116 _a and 116 _b which are adsorbed.

The bending die 116 _a and 116 _b are held in bending column 130 shown in FIG. 33-FIG. 37. Bending column 130 above
Are two slidable holding blocks 133 _a , guided by the sliding groove 131 in a box-shaped frame pair 132 having a sliding groove 131 on the inner surface.
It accommodates 133 _b, in which respectively attached to said bending die 116 _a, 116 _b to the respective holding blocks 133 _a, 133 _b.
The holding block 133 _a, 133 _b is by a compression spring 134 which is scaled between them, at all times both bending dies 116 _a, 116 _b is held constant distance apart state.

A plurality of such bending columns 130 are mounted on a column mounting drum 135 described later shown in FIGS. 29 to 32. This column mounting drum 135 is
The bending column 130 is rotatably accommodated below the column mounting drum 135, and can be moved up and down by an air cylinder 136 provided in the column mounting drum 135.

The bending dies 116 _a and 116 _b shown in FIG. 22 are in a state of protruding above the bending platen 120 from the holes 129 and 129 as a result of the bending column 130 being lifted by the air cylinder 136.

A frame 137 provided below the bending platen 20 is provided with a pair of L-shaped arms 139, 139 which can swing about a pair of vertical pins 138, 138 as shown in FIG. The two L-shaped arms 139 and 139 are mounted on a bracket.
It is connected to a piston rod 142 of a hydraulic cylinder 141 that is swingably attached to the frame 137 via 140.
The other ends of the L-shaped arms 139, 139 are connected via joints 145, 145 to pressing rods 144, 144 slidably guided by guide blocks 143, 143 provided on the frame 137. The push rod 144, 144 is intended for pressing in the direction of the holding block 133 bend column 130 _a, 133 _b to press the bending die 116 _a, 116 _b each other party.

Therefore, by operating the hydraulic cylinder 141 to retract the piston rod 142, the L-shaped arm 13
9,139, and the pressing rod 14 connected to the
4,144 are advanced in the direction in which both approach. Accordingly, the holding blocks 133 _a , 13 abutting against the pressing rods 144, 144
3 _b was allowed to close, the bending die 116 _a, 116 _b provided on both the holding block is pressed together, subjected to bending to the knife n sandwiched therebetween. In this case, the knife n is held in both bending dies 116 _a, 116 _b, and so bent into L-shape, the tip of the knife n will be separated from the permanent magnet 128.

Thus, the bending Kako knife n is completed, the hydraulic cylinder 141 is actuated in the opposite direction, the knife n is released from the holding by both bending dies 116 _a, 116 _b, the two of the bending plate 120 It is placed between the holes 129,129.

In order to perform another bending process again at a predetermined position of the knife n after one bending process, the tip of the knife n is attracted to the permanent magnet 128 of the knife positioning device 11 again.
Must be moved to a predetermined position, at the time when the processing is finished bent by the bending die 116 _a, 116 _b as described above, as shown in broken lines n 'in FIG. 22, the tip of the knife the permanent magnets 128 Therefore, the direction of the end of the knife n on the side attracted to the permanent magnet 128 must be corrected to the direction in which the permanent magnet 128 advances. It is the role of the knife direction correcting device 117 to correct the direction of the knife.

Next, the knife direction correcting device 117 will be described with reference to FIGS. 38 to 41.

As shown in FIG. 41, the knife direction correcting device 117 includes the gripping claws 118 as main components. That is, the motor 146 provided on the bending platen 120 is
Connected to the shaft 148 rotatably supported by 7,147,
The arm 149 attached to the shaft 148 is driven to rotate. Bearings 150, 150 attached to the tip of the arm 149 rotatably support the shaft 158. The shaft 151 is provided with a pair of pins 152, 152 parallel to the shaft 148, as shown in FIG. The pins 152, 152 are provided with the gripping claws 11
The other ends of L-shaped levers 153, 153 fixed to both gripping claws 118, 118 have pins 154, 154, respectively.
Are connected to the ends of a pair of levers 155, 155 having a substantially rectangular shape. The ends of the levers 155, 155 are pivotally connected to a pin 156, and a bracket 157 connected to the pin 156 is a piston rod of an air cylinder 158 mounted on the shaft 151.
It is connected to the tip of 159.

A lever 160 fixed to the rear end of the shaft 151 and a shaft 162 fixed to the mounting base 161 of the motor 146 are connected by a link 163. Here, the length of the link 163 is equal to the distance between the shafts 148 and 151, and
The length of 0 is set equal to the distance between the axes 148 and 162.

Therefore, the arm 149, the lever 160, the link 163, and the mounting base 161 form a parallel link having the mounting base 161 as a fixed side. Therefore, the motor 146 is driven to
When the arm 149 attached thereto is rotated, the lever 160 causes the lever 160 to bend by the action of the parallel link.
It always rotates at a fixed angle to 20. Therefore,
The gripping claw 118 provided at the tip of the shaft 151
The posture is not changed during the transport operation by the rotation of 9.

Further, an electromagnet 164 is provided at the end of the shaft 151 for pressing the holding claws 118, 118 in a state of holding the knife to each other.

The above-described knife direction correcting device 117, and in the bending state of the bending of the knife n by die 116 _a and 116 _b is being performed, as shown in FIG. 22, the shaft 1 by the motor 146
Due to the rotation of 48, it is in a state of being separated from the bending platen 120.

Knife n on which the first bending was performed as described above
Are placed as shown by a broken line n 'in FIG. In this state, the shaft 148 is rotationally driven by the motor
The shaft 149 and the shaft 151 at the end thereof, and the gripping claw 118 attached to the distal end thereof rotate, and the gripping claw 118 approaches the knife n '. At this time, the air cylinder 136 is actuated, the bending column 135 and the bending die 116 _a, 116 _b is accommodated in the lower bending platen 120.

Even when the gripping claw 118 rotates around the shaft 148 by the rotation of the arm 149, the direction of the gripping claw 118 does not change due to the action of the parallel link. At this time, since the piston rod 159 of the air cylinder 158 is pushed out, the gripping claw 118 is in a straight line as shown by a solid line in FIG.

Therefore, even when the gripping claw 118 comes down to a position close to the bending platen 120 due to the rotation of the arm 149,
The gripping claw 118 does not come into contact with the knife n 'bent into an L shape.

In this way, when the gripper 118 is rotated to the position closest to the bending platen 120, that is, to the state shown in FIG. 38, the air cylinder 158 is subsequently operated, and the piston rod 1
59 is retracted. As a result, the levers 155 and 155
The L-shaped arms 139, 139 connected to the levers 155 ', 155' via pins 154 and the gripping claws 1 attached thereto move to the positions 155 ', 155' shown by two-dot chain lines in FIG.
Pin 15 is parallel to 18 as shown by the two-dot chain line in FIG. 39.
Rotate around 2 Thus, the positioning end side of the knife n 'is gripped between the gripping claws 118, 118 in the parallel state, and the tip of the knife n' faces in the direction of the permanent magnet 128, and is parallel to the traveling direction of the permanent magnet 128. Becomes

Therefore, by rotating the motor 124 at the knife positioning position 11 by a predetermined amount again, the permanent magnet 128 can be advanced, and the end of the knife n 'can be attracted to the knife n' and moved to the predetermined position.

Thus, when the positioning of the knife n 'is completed again,
The air cylinder 158 is operated to open the gripping pawl 118, and the shaft 148 is rotated by the motor 146 to retract the gripping pawl 118 to the retracted position shown in FIG.

If it is positioned in a predetermined position to perform bending knife n 'again, to float the column 130 bent by the air cylinder 136, it is possible to re-bending by the bending die 116 _a, 116 _b.

When one or more bending operations are completed, the bending dies 11
6 _a, 116 retracted under the _b bending plate 120 and allowed close to the knife n 'that the motor 146 drives the gripping claws 118 bent end to. Then, the air cylinder 158
As shown in FIG. 39, the knife n 'is sandwiched by the gripping claws 118, 118, and both the gripping claws 118 strongly grip the knife n' by the electromagnet 164.

Then, by driving the motor 146 again, the gripper 118
Is lifted from above the bending platen 120, and when it comes to the retracted position of the knife direction correcting device 117, the gripping by the electromagnet 164 is released, and the knife n 'that has been bent is illustrated. Drop it on a belt conveyor or the like for discharging the sewage, and discharge it outside the machine.

The bending angle and roundness of the knife n at the time of bending as described above must be changed according to the shape of the punching pattern obtained by CAD. Such a change of the bending angle is performed by converting the bending dies.To automatically perform the bending based on the data from CAD, the forming apparatus of the sheet processing knife uses a plurality of bending dies. It is desirable to have it so that it can be selectively used according to the data from the CAD.

In order to achieve such an object, in this embodiment,
As shown in FIGS. 29 and 30, the column mounting drum 135 is provided with a plurality of bending columns 130 which can move up and down.

That is, as shown in FIG. 29, the column mounting drum 135 is rotatably supported via a bearing 167 and the like from an arm 166 which projects horizontally from the main body frame 165.
Is provided. The drum body 168 is formed in a regular dodecagonal shape as viewed from the front as shown in FIG. 30, and a pair of guide walls opposed to the drum shaft are formed on its twelve outer peripheral planes.
The guide walls 169 and 169 respectively hold the twelve bending columns 130 so as to be slidable in the radial direction of the drum. Reference numerals 170, 170 denote electromagnets for holding the bending columns 130 on the outer peripheral surface of the drum main body 168.

At the center of each outer peripheral plane of the drum main body 168, radial through holes 171 are formed around the drum axis. The air cylinder 135 is provided on the upper surface of the arm 166.

Therefore, in order to appropriately change the bending dies based on the data from CAD, it is necessary to use the drum body 1 based on the data from CAD.
The drum body 168 is stopped at a position where the bending column 130 provided with a bending die having a shape to be used from now is directly above the air cylinder 136 by rotating the 68 by a motor (not shown). Thereby, the air cylinder 136, the through hole 17
1. The core of the bending column 130 matches. At this time, the power supply to the electromagnet 170 holding the bending column is stopped, and the air cylinder 136 is driven to lift the predetermined bending column 130 vertically upward.

FIG. 35 shows a state where the bending column 130 is pushed up to the uppermost position. In this case, the bend die 116 _a and 116 _b as is, protruding from the two holes 129, 129 bored in the bent plate 120.

Hereinafter, as mentioned above, bending by the holding block 133 _a, 133 _b bending by pressing in the direction of each other's die 116 _a, 116 _b by the pressing rod 144, 144 is performed.

〔The invention's effect〕

As described above, the present invention provides a stocking device for arranging long thin plate-shaped knife materials in layers and stocking the same, and a material supply device that takes out one knife material from the stocking device and supplies it to a subsequent material feeding device. A material feeding device for feeding the supplied knife material to a subsequent shearing device for a predetermined length while keeping the supplied knife material in a horizontal state, and a plurality of shearing dies having shapes adapted to various knife end shapes. A shearing device that shears the knife material fed by the feeder while keeping the horizontal state, a knife feeder that feeds the sheared knife to the subsequent posture changing device, and a tip of the fed knife with the tip thereof up. After changing the posture so that it faces, the posture changing device delivered to the subsequent knife positioning device and the knife transferred from the posture changing device maintain the posture. A knife positioning device for moving to a predetermined position while holding the knife, and a plurality of bending dies having shapes adapted to various knife bending shapes. The knife positioned by the knife positioning device is bent between the bending dies. Since it is a sheet processing knife forming apparatus including a bending apparatus for processing, a sheet punching knife is automatically punched into various end shapes,
It was possible to automatically bend into various bending shapes, and it was possible to greatly increase the manufacturing efficiency of the sheet processing knife.

[Brief description of the drawings]

1 to 41 relate to a sheet processing knife forming apparatus according to one embodiment of the present invention, and FIGS. 1 and 2 are a schematic front view and a schematic plan view showing the entire structure thereof.
3 to 5 show the entire shearing process section of the forming apparatus. FIG. 3 is a front view, FIG. 4 is a plan view, FIG. 5 is a longitudinal sectional view, and FIG. FIGS. 7 to 9 relate to a material supply device used in the embodiment, as viewed from the shearing device side, FIG. 7 is a front view thereof, FIG. 8 is a partial side view thereof, FIG. Fig. 10 is a side view of the main part, Figs. 10 to 14 illustrate the material feeding device of the shearing process part, Fig. 10 is a side view thereof, Fig. 11 is a plan view thereof, and Fig. FIG. 13 and FIG. 14 are cross-sectional views of the main part, respectively, for explaining the drive unit of the guide rail and the movement thereof.
15 to 17 are for explaining a cutter table portion of the shearing device, FIG. 15 is a front view thereof, FIG. 16 is a plan view thereof, FIG. 17 is a partial side sectional view thereof, FIG. 18 to 20
The drawings are for explaining the small belt portion in the shearing apparatus, FIG. 18 is a partial side view thereof, FIG. 19 is a front view thereof, FIG. 20 is a plan view thereof, and FIG. 21 is a conveyor belt. FIG. 22 to FIG. 24 show the entire bending process part, FIG. 22 is a plan view thereof, FIG. 23 is a front view thereof,
FIG. 24 is a side view thereof, FIG. 25 is a plan view of a posture changing device in the bending section, FIG. 26 is a partial side view thereof, and FIG.
The figure shows a front view of the knife positioning device in the bending section, FIG. 28 is a side view of the same, FIG. 29 is a side sectional view of a column mounting drum used in the bending section, and FIG. FIG. 31 is a partial plan view of the drive device, FIG. 32 is a cross-sectional view taken along the line AA in FIG. 31,
FIG. 33 to FIG. 37 show the contents of a bending column for mounting the bending die, FIG. 33 is a partial plan view of the bending column, and FIG. FIG. 35 is a front cross-sectional view of the same bending column, FIG. 36 is a side cross-sectional view of the same bending column, FIG. FIG. 41 to FIG. 41 show a knife direction correcting device used in the bending process unit, FIG. 38 is an overall front view thereof, FIG. 39 is a schematic plan view of a gripping claw portion thereof, FIG. FIG. 41 is a partial side view of the gripping claw part, and FIG. 41 is an overall plan view thereof. FIG. 42 is a perspective view for explaining an example of a knife formed by the apparatus of the present invention and a holding table into which the knife is fitted. [Explanation of Symbols] 1... Shearing process section 2... Bending process section 3... Knife conveying section 4... Stock apparatus 4 _a ... Knife storage section 4 _b. 8 Material feeding device 9 Shearing device 9 _{a to} 9 _d Cutter base 9 _e Cutter base for bridge 10 Posture changing device 11 Knife positioning device 12 Bending device 36 ... Suction nozzle 41 ... Lower guide rail (fixed side) 42 ... Upper guide rail (fixed side) 46 ... Lower guide rail (movable side) 47 ... Upper guide rail (movable side) 55 ... screw block, 56 ...... stroke screw 61 ...... clamper 63 _a to 63 _d ...... small belt 67 ...... stroke screw 71 ...... lower die mounting base 72 ...... lower die 74 ...... upper die mount 77 ...... upper die 80 …… Screw block 82 …… Slide base 84 …… Hydraulic cylinder 92 …… Transport belt 106,110,115 ...... electromagnet bars 109 ...... mounting plate 116 _a, 116 _b ...... bending die 117 ...... knife direction correcting device 118 ...... gripping claws 120 ...... bending plate 128 ...... permanent magnet 130 ...... bending column 133 _a , 133 _b …… Holding block 135 …… Column mounting drum 136 …… Air cylinder 141 …… Hydraulic cylinder 168 …… Drum body

Claims (1)

(57) [Claims] (A) a stocking device that stocks long thin plate-shaped knife materials in a layered manner, and (B) a material supply that takes out one knife material from the stocking device and supplies it to a subsequent material feeding device. (C) a material feeder for feeding a given length of knife material to a subsequent shearing device while maintaining the horizontal state, and (D) a plurality of shears shaped to various knife end shapes. A shearing device having a die and shearing the knife material fed by the material feeding device in a horizontal state; (E) a knife feeding device for feeding the sheared knife to a subsequent posture changing device; F) a posture changing device for changing the posture of the fed knife so that the tip thereof faces upward, and then transferring the knife to a subsequent knife positioning device; and (G) receiving the posture from the posture changing device. A knife positioning device for moving the delivered knife to a predetermined position while maintaining the posture thereof; and (H) a plurality of bending dies having shapes adapted to various knife bending shapes, the knife being positioned by the knife positioning device. And a bending device for bending the knife by sandwiching the knife between the bending dies.