JP2002210517A - Apparatus for bending parts - Google Patents

Abstract

PROBLEM TO BE SOLVED: To attain improved working efficiency, improved dimensional accuracy and improved quality by automatically performing the bending of parts. SOLUTION: This apparatus has a lower die 1 on which a sheet-like substrate 100 is positioned and placed, an upper die 2 which is abutted on the sheet-like substrate on the lower die, an approximately inverse V-shaped bending part which is formed on at least either of the upper or lower die and movable pressing means which are abutted on the bending part. The pressing means have pressing rollers 20, 21 which are abutted on the bending part and the bending part abuts to the pressing surface of the other die or projected from the pressing contact surface, so a bending stage and a pressing stage are performed at the same time by pressing and moving the pressing roller along one surface of the approximately inverse V-shape.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component bending apparatus for bending a flexible sheet-like substrate such as a flexible flat cable into an arbitrary shape, and more particularly to a component for a sheet-like substrate used in an ink jet head. The present invention relates to a bending device.

[0002]

2. Description of the Related Art Conventionally, when a flexible sheet-like substrate is bent by hand, as shown in FIGS. 19 to 22, for example, holding jigs 50, 51, 60, First, using a flexible sheet-like substrate 100 which is a work, a jig 5 is used by using 61, set screws 52 and 62, and a round bar 53 made of resin.
The flexible flat cable or the like is sandwiched by 0 and 51, bent by hand along the end of the jig having an angle larger than the angle to be bent, and the bent portion is further squeezed with a round bar 53 made of resin. The flexible flat cable that has been removed from the cable and bent more than a predetermined angle is adjusted by hand to slightly return to the predetermined angle, and the other flexible jigs 60 and 61 are bent in order to bend the other. Etc., similarly bend by hand along the end of the jig having an angle larger than the desired angle, further squeeze the bent portion with a resin round bar 53, remove from the jig, The flexible flat cable, which is greatly bent, is slightly returned by hand to adjust it to the specified angle. It was.

[0003]

However, in the prior art, since the flexible sheet-like substrate is manually bent, the physical fatigue of the operator is large, which leads to a decrease in work efficiency. Had. In addition, there has been a problem in that the bending accuracy is varied, or the bent portion is damaged, resulting in a deterioration in quality.

[0004] Accordingly, an object of the present invention is to solve the above-mentioned conventional problems by automatically folding a part, thereby improving work efficiency.
An object of the present invention is to provide a component bending apparatus capable of improving dimensional accuracy, improving quality, and shortening a work process.

[0005]

In order to achieve the above-mentioned object, a component bending apparatus according to the present invention comprises a lower die on which a sheet-like substrate is positioned and placed, and the sheet-like substrate on the lower die. , A substantially inverted V-shaped bent portion formed on at least one of the lower die and the upper die, and a movable pressurized contact with the bent portion. Means, and the pressurizing means has a pressure roller contacting the bent portion, and the bent portion is the same as or pressurized with the pressure contact surface of the other mold to be contacted. The bending step and the pressing step are simultaneously performed by pressing and moving the pressing roller along one surface of the substantially inverted V-shape so as to protrude from the pressing contact surface.

Further, in the component bending apparatus according to the present invention, the pressing roller presses against one surface of the substantially V-shaped bent portion of the lower die and the upper die, and pressurizes the substantially inverted V-shaped. And a driving unit that moves along one surface.

Further, the component bending apparatus according to the present invention is characterized in that the moving speed of the pressure roller can be changed.

Further, the component bending apparatus of the present invention is characterized in that a flexible sheet-like substrate is sucked and fixed.

An ink jet head according to the present invention comprises a lower mold on which a sheet-shaped substrate is positioned and placed, an upper mold in contact with the sheet-shaped substrate on the lower mold, and the lower mold or the upper mold. A bent portion having a substantially inverted V-shape formed on at least one of the molds, and a movable pressurizing means abutting on the bent portion; A pressurizing roller to be contacted, wherein the bent portion is the same as or presses out of the pressurizing contact surface of the other mold to be contacted, and It is characterized in that a flexible sheet-like substrate manufactured by a component bending apparatus that simultaneously performs a bending step and a pressing step by pressing and moving along one surface of an inverted V-shape is used.

The component bending apparatus of the present invention further comprises a lower die on which the sheet-shaped substrate is positioned and placed, an upper die abutting on the sheet-shaped substrate on the lower die, It has a pair of substantially V-shaped bent portions formed in a mold, and movable pressurizing means abutting on the bent portions, wherein the pressurizing means is in contact with the bent portions. Pressurizing roller, the bent portion is the same as the pressure contact surface of the lower die to be contacted, or protrudes from the pressure contact surface,
The bending step and the pressing step are performed simultaneously by pressing and moving the pressing roller along one surface of the substantially inverted V-shape.

Further, in the component bending apparatus according to the present invention, the pressing roller may include a pressing unit that presses against one surface of the substantially V-shaped bent portion of the upper die and pressurizes the one surface, and a pressing portion that presses against one surface of the substantially inverted V-shaped. And a drive unit for moving the drive unit along.

Further, the component bending apparatus of the present invention is characterized in that the moving speed of the pressure roller can be changed.

The component bending apparatus according to the present invention is characterized in that a flexible sheet-like substrate is sucked and fixed.

Further, the ink jet head of the present invention comprises:
A lower mold on which the sheet-shaped substrate is positioned and placed, an upper mold in contact with the sheet-shaped substrate on the lower mold, and a pair of substantially V-shaped folds formed on the upper mold; Part, and a movable pressing means abutting on the bending part, the pressing means having a pair of pressure rollers abutting on the bending part, the bending part Is the same as, or protrudes from, the pressure contact surface of the other mold to be contacted, and presses and moves the pressure roller along one surface of a substantially inverted V-shape. In this case, a flexible sheet-like substrate manufactured by a component bending apparatus that simultaneously performs a bending step and a pressing step is used.

[0015] Other objects, features and advantages of the present invention will be apparent from the following detailed description of embodiments of the component bending apparatus of the present invention illustrated in the accompanying drawings.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (Embodiment 1) FIGS.
1 shows a first embodiment of a component bending apparatus according to the present invention. FIG. 1 is a schematic view showing an overall configuration of the component bending apparatus, and FIG. 2 is a plan view of a lower die. As shown in FIGS. 1 and 2, the component bending apparatus of the present invention includes a fixed lower mold 1 and a movable upper mold 2. The mold 2 can move up and down.

As shown in the drawing, the component bending apparatus according to the present invention uses a flexible sheet-like substrate 1 as a work.
00, a fixed lower die 1 having a positioning portion for accurately positioning, and an upper and lower portion which is lowered and abutted against a flexible sheet-like substrate 100 placed on the lower die 1. A movable upper mold 2, a bent portion 10 for forming a substantially V-shaped at least one of the lower mold 1 and the upper mold 2 and bending the flexible sheet-like substrate 100 into a required shape; It is roughly composed of movable pressure rollers 20 and 21 abutting on the bent portion 10 and pressure means 12 having air cylinders 4 and 6.

The lower mold 1 on the fixed side in the component bending apparatus of the present invention has a positioning pin 8 as a positioning section and a suction section 9, and the upper mold 2 on the movable side moves up and down to move downward. An escape portion 11 is formed so as to be in contact with the mold 1 and further engages with the positioning pin 8 of the lower mold 1. A sheet-like substrate 10 is provided for the lower mold 1 and the upper mold 2.
Motor drive stages 3 and 5 having pressure rollers 20 and 21 as pressure means 12 for bending 0 are provided. The motor drive stages 3 and 5 are for moving the pressure rollers 20 and 21 in a straight line.
The pressure rollers 20 and 21 are pressurized by the air cylinders 4 and 6 and are disposed so as to bend the flexible sheet-like substrate 100.

A flexible sheet-like substrate 100
Is supported at one end by a work receiving plate 7. Further, the air cylinders 4 and 6 are provided with support members 40,
42, and the motor-driven stage 3,
In 5, the air cylinders 4 and 6 are moved by the drive motors 41 and 43.

In the component bending apparatus according to the present invention, the bent portion 10 has substantially V-shaped tips 1a and 2a, and is brought into contact with the substantially V-shaped tips 1a and 2a. And a substantially inverted V-shaped contact portion 1b, 2 having roller contact surfaces 25, 26 as pressure contact surfaces of the other type.
b, and these substantially V-shaped tip portions 1a,
2a is arranged so as to be the same as or protrude from the roller contact surfaces 25, 26 of the substantially inverted V-shaped contact portions 1b, 2b. The angles forming the acute angled substantially V-shaped tip portions 1a and 2a and the corresponding obtuse angled substantially inverted V-shaped abutting portions 1b and 2b are complementary to each other. . Therefore, for example, as will be described later, if the angle between the substantially V-shaped tip portions 1a and 2a is approximately 45 °, the substantially inverted V-shaped contact portion 1b,
The angle of 2b is approximately 135 °.

The pressing roller 2 as the pressing means 12
Reference numerals 0 and 21 denote substantially inverted V-shaped contact portions 1 of the lower die 1 and the upper die 2.
b, 2b, the air cylinders 4, 6 as pressure members for pressing the pressure rollers 20, 21 against the roller contact surfaces 25, 26 on one surface, and the roller contact surfaces on one surface of these substantially inverted V shapes Motor drive stages 3 and 5 as drive members for moving pressure rollers 25 and 26 along
And drive motors 41 and 43.

The pressure rollers 20 and 21 are provided with substantially reverse V-shaped contact portions 1b and 2b of the lower die 1 and the upper die 2, respectively.
By pressing and moving the roller portions of the pressure rollers 20, 21 along the roller contact surfaces 25, 26, which are one side of the character shape, the bending step and the pressure step are performed simultaneously, and The pressing members are the air cylinders 4 and 6 and the pressing rollers 20 and 21, and the driving members are the driving motors 41 and 43 of the motor driving stages 3 and 5.

FIG. 2 is a plan view of the lower die 1 of the component bending apparatus according to the present invention, as viewed from above. The lower die 1 adsorbs positioning pins 8a and 8b and a flexible sheet-like substrate 100. And suction ports 9a and 9b for fixing.

As shown in FIG. 15, the angles of the upper mold 2 and the lower mold 1 used this time are A = C = 45 °,
B = D = 135 °. The substantially V-shaped tip portion 2a of the upper mold 2 is connected to the roller contact surface 25 of the contact portion 1b of the lower mold 1.
It is on the same plane as or protrudes. Similarly, approximately V of lower mold 1
The front end portion 1a in the shape of a letter has the same surface as or protrudes from the roller contact surface 26 of the contact portion 2b of the upper die 2.

As shown in FIG. 16, when the substantially V-shaped tip 2a of the upper die 2 is located below the roller contact surface 25 of the lower die 1, the pressure roller 21 is moved upward. V for 2
Sheet-like substrate 1 so as not to come into contact with the
00 cannot be sufficiently pressed, and therefore can be bent accurately along the roller contact surfaces 25 and 26, which are the inclined surfaces of the lower mold 1 and the upper mold 2 as shown in the figure. Therefore, an accurate predetermined angle cannot be obtained.

Next, the operation of the component bending apparatus of the present invention configured as described above will be described.

First, in FIG. 3, a flexible sheet-like substrate 100, which is a work, is attached to the positioning pins 8a and 8b of the lower mold 1 by an automatic hand (not shown).
1 positioning hole 3 of flexible sheet-like substrate 100
0 and 31 are inserted and positioned, and the suction unit 9 is sucked to suck the flexible sheet-like substrate 100 and fix it on the lower mold 1. by this,
Even if the sheet substrate 100 as a work is warped, it is possible to prevent the positioning holes 30 and 31 from coming off the positioning pins 8a and 8b due to the warpage of the sheet substrate 100. It is preferable that the positioning hole 30 is a round hole and the positioning hole 31 is a long hole.

Next, in FIG. 4, the upper die 2 descends, and a flexible sheet-like substrate 100 which is a work on the lower die 1 is sandwiched between the lower die 1 and the upper die 2. The sheet substrate 100 is firmly fixed. Subsequently, in FIG. 5, the work receiving plate 7 retreats downward in the drawing, and air is supplied to the air cylinders 4 and 6 from an air source (not shown) to move the pressing rollers 20 and 21 in the directions of arrows. Of the lower mold 1 and the upper mold 2, that is, the roller contact surface 2
5 and 26 respectively.

In FIG. 6, the driving motors 41, 43
Is rotated to drive the stages 4 and 6 so that the pressure roller 2
0, 21 are moved at high speed while pressing the roller contact surfaces 25, 26, which are the inclined surfaces of the lower mold 1 and the upper mold 2, respectively, and the substantially V-shaped tip portions 1a of the lower mold 1 and the upper mold 2, 2
Immediately before a, the moving speed of the pressure rollers 20, 21 is reduced in order to reduce the damage due to the impact of the work, that is, to reduce the damage, and to increase the pressing time. In this case, the lower die 1 and the upper die 2 have substantially V-shaped tips 1a,
Since the protrusions 2a protrude from the roller contact surfaces 25 and 26, the work can be more reliably bent and pressed.

In FIG. 7, the pressure rollers 20, 21 are moved in a decelerated state, and the sheet-like substrate 100 of the work is firmly bent, and the substantially V-shaped tip portions 1a, 1a, After overcoming each of 2a, they move again at high speed. Next, in FIG.
Air is supplied in the opposite direction to the pressure roller 2 in the direction of the arrow.
0 and 21 are moved to end the pressurization. In FIG.
The stages 1 and 43 are reversely rotated to move the stages 3 and 5 back to the initial positions. Next, in FIG. 10, the work receiving plate 7 moves forward, and the upper die 2 rises. At this time, since the sheet-like substrate 100, which is a work, is still sucked by suction, the work can be held upright without falling down, so that the work can be easily removed by an auto hand (not shown). Thus, the predetermined bending process is completed.

In this embodiment, the bending angle is approximately 90 °, but this bending angle is not limited to 90 °, and the substantially V-shaped tips 1a and 2a and the substantially inverted V-shaped contact portions 1b, 2
The angle b can be changed to an arbitrary angle by changing each angle.

(Embodiment 2) FIG. 13 shows Embodiment 2 of the component bending apparatus according to the present invention. In the component bending apparatus according to the second embodiment shown in FIG. 13, the component bending apparatus includes a trapezoidal lower mold 1 ′ and an upper mold 2 ′ having two substantially V-shaped tips. In the present embodiment, the lower mold 1 'is formed in a trapezoidal shape, and two substantially V-shaped contact portions having inclined surfaces 27 and 28 as roller contact surfaces are provided. The upper die 2 'is provided with two bent portions 10 each having a substantially V-shaped tip. Therefore, when bending the sheet-like substrate 100, the sheet-like substrate 100 is positioned and placed on the lower mold 1 ', pressed by the upper mold 2' and sandwiched. , 21 to inclined surfaces 27, 2 which are roller contact surfaces of the contact portion of the trapezoidal lower mold 1 ′.
By moving the sheet-like substrate 100 in the directions of arrows 44 and 45 along 8, the sheet-like substrate 100 can be bent into a U-shape as shown in FIG.

(Others) FIGS. 17 and 18 show an ink jet head using a flexible sheet-like substrate manufactured by the above-described component bending apparatus of the present invention.

As shown in the drawing, the ink jet head has a folded sheet-like substrate 100, a base plate 101 on which a heater board for heating ink is mounted, and a chip on which a top plate having discharge ports is mounted. A tank 104, a frame 102 formed by molding, and an ink tank 103 for supplying ink.
And

As described above, according to the component bending apparatus of the present invention, since the bending operation can be performed automatically, the variation in bending accuracy can be reduced, the operation time can be shortened, and the bending section can be shortened. Damage can be reduced, and a decrease in quality can be prevented. In addition, it is possible to prevent the work from being disengaged from the positioning pins when the work is warped, and to easily remove the work after bending is completed.

[0036]

According to the first aspect of the present invention, there is provided a component bending apparatus comprising: a lower die on which a sheet-like substrate is positioned and placed;
An upper die abutting on the sheet-shaped substrate on the lower die, a substantially V-shaped bent portion formed on at least one of the lower die and the upper die, and a contact portion on the bent portion; Movable pressurizing means to be in contact with the pressurizing means, the pressurizing means having a pressurizing roller to be in contact with the bent portion, and the pressurized portion of the other mold to be contacted by the bent portion. Since the pressing step is the same as the pressure contact surface or protrudes from the pressure contact surface, and the pressing step is performed by pressing and moving the pressure roller along one surface of the substantially inverted V-shape, the bending step and the pressing step are performed simultaneously. In addition, since the parts can be automatically bent, the working efficiency can be improved, the dimensional accuracy can be improved, the quality can be improved, and the working process can be shortened.

[0037] According to a second aspect of the present invention, there is provided the component bending apparatus, wherein the pressing roller presses against one surface of the substantially V-shaped bent portion of the lower mold and the upper mold to pressurize the same.
Since it has a drive unit that moves along one surface of a substantially inverted V-shape, by automatically folding a part,
Work efficiency is improved, and dimensional accuracy is improved by bending,
The quality can be improved and the working process can be shortened.

In the component bending apparatus according to a third aspect of the present invention, since the moving speed of the pressure roller is variable, the pressure roller is moved at a high speed until immediately before the bending portion, and thereafter the pressure roller is moved. By reducing the moving speed, damage due to impact can be reduced, the pressurizing time can be kept constant, and the work process can be shortened and the quality can be improved.

In the component bending apparatus according to the fourth aspect of the present invention, since the flexible sheet-like substrate is fixed by suction, it can be securely fixed even if the work is warped, and is securely held even after bending. it can.

According to a fifth aspect of the present invention, there is provided an ink jet head comprising: a lower die on which a sheet-shaped substrate is positioned and placed; and an upper die which is in contact with the sheet-shaped substrate on the lower die. A substantially V-shaped bent portion formed on at least one of the lower mold and the upper mold, and a movable pressurizing unit abutted against the bent portion, the pressurizing unit includes: A pressure roller that is in contact with the bent portion, wherein the bent portion is the same as or presses out of the pressure contact surface of the other die to be contacted; Since a flexible sheet-like substrate manufactured by a component bending apparatus that performs a bending process and a pressing process simultaneously by pressing and moving a pressure roller along one surface of a substantially inverted V-shape is used. By automatically folding, With efficiency is improved, and improvement in dimensional accuracy, improved quality, and it is possible to shorten the working process.

According to a sixth aspect of the present invention, there is provided a component bending apparatus comprising: a lower die on which a sheet-like substrate is positioned and placed; and an upper die which is in contact with the sheet-like substrate on the lower die. ,
A pair of substantially V-shaped bent portions formed on the upper die, and movable pressurizing means abutting against the bent portions; A pressure roller to be contacted, wherein the bent portion is the same as the pressure contact surface of the lower die to be contacted or protrudes from the pressure contact surface; Since the bending step and the pressing step are performed simultaneously by pressing and moving along one surface of the shape, the pressing roller is moved at a high speed until immediately before the bent portion, and then the moving speed of the pressing roller is reduced. As a result, the damage due to impact can be reduced, the pressurizing time can be kept constant, and the working process can be shortened and the quality can be improved.

According to a seventh aspect of the present invention, in the component bending apparatus according to the seventh aspect, the pressing roller presses against one surface of the upper V-shaped bent portion by pressing the pressing roller, and a substantially inverted V-shaped portion. Since it has a drive unit that moves along one surface, it is possible to automatically bend parts, thereby improving work efficiency, improving dimensional accuracy, improving quality, and shortening the work process. .

In the component bending apparatus according to the present invention, since the moving speed of the pressure roller can be changed, the pressure roller is moved at a high speed until immediately before the bending portion, and then the pressure roller is moved. The speed can be reduced to reduce the damage due to impact, the pressurizing time can be kept constant, and the working process can be shortened and the quality can be improved.

In the component bending apparatus according to the ninth aspect of the present invention, since the flexible sheet-like substrate is sucked and fixed, it can be securely fixed even if the work is warped, and is securely held even after bending. it can.

An ink jet head according to a tenth aspect of the present invention comprises: a lower die on which a sheet-like substrate is positioned and placed; and an upper die abutting on the sheet-like substrate on the lower die. A pair of substantially V-shaped bent portions formed on the upper die, and a movable pressurizing means abutting on the bent portions; A pressurizing roller having a pair of pressure rollers that are in contact with each other, wherein the bent portion is the same as or presses out of the pressure contact surface of the lower die to be contacted, and substantially reverses the pressure roller. Since a flexible sheet-like substrate manufactured by a component bending apparatus that performs a bending process and a pressing process simultaneously by pressing and moving along one surface of a V-shape is used, the components can be automatically bent. As a result, work efficiency is improved, Law accuracy and improve the quality of, and it is possible to shorten the working process.

[Brief description of the drawings]

FIG. 1 is a schematic view showing a configuration of an embodiment of a component bending apparatus according to the present invention.

FIG. 2 is a plan view of a lower die of the component bending apparatus of the present invention shown in FIG. 1;

FIG. 3 is a schematic diagram for explaining a process procedure in the component bending apparatus of the present invention.

FIG. 4 is a schematic diagram of a process procedure in the component bending apparatus according to the present invention, which is subsequent to FIG. 3;

FIG. 5 is a schematic view of a process procedure in the component bending apparatus according to the present invention, which is subsequent to FIG. 4;

FIG. 6 is a schematic view of a process procedure in the component bending apparatus according to the present invention, which is subsequent to FIG. 5;

FIG. 7 is a schematic diagram of a process procedure in the component bending apparatus of the present invention, which is subsequent to FIG. 6;

FIG. 8 is a schematic diagram of a process procedure in the component bending apparatus according to the present invention, which is subsequent to FIG. 7;

FIG. 9 is a schematic view of a step sequence following the step in FIG. 8 in the component bending apparatus of the present invention.

FIG. 10 is a schematic diagram of a process procedure following FIG. 9 in the component bending apparatus of the present invention.

FIG. 11 is a schematic view of a flexible sheet-shaped substrate which is a work.

FIG. 12 is a schematic view of the sheet-like substrate of FIG. 11 processed by the component bending apparatus of the present invention.

FIG. 13 is a schematic diagram showing the configuration of another embodiment of the component bending apparatus of the present invention.

14 is a schematic view showing a configuration of a sheet-like substrate processed by the component bending apparatus of FIG. 13 of the present invention.

FIG. 15 is a schematic diagram showing a protruding state of a substantially V-shaped distal end portion of an upper die and a lower die and a substantially inverted V-shaped contact portion.

FIG. 16 is a schematic diagram showing a state of a substantially V-shaped tip portion of an upper die.

FIG. 17 is a side view of an ink jet head using a sheet-like substrate processed by the component bending apparatus of the present invention.

FIG. 18 is a front view of the inkjet head of FIG. 17 using a sheet-like substrate processed by the component bending apparatus of the present invention.

FIG. 19 is a side view of a conventional bending device.

FIG. 20 is a schematic view showing a conventional bending operation.

FIG. 21 is a side view of a conventional bending device.

FIG. 22 is a schematic view showing a conventional bending operation.

[Explanation of symbols]

 Reference Signs List 1 lower die 1 'lower die 1a substantially inverted V-shaped tip 2 upper die 2' upper die 2a substantially inverted V-shaped tip 3 pressure roller 4 air cylinder 5 pressure roller 6 air cylinder 7 work receiving plate 8 positioning Pin 8a Positioning pin 8b Positioning pin 9 Suction section 9a Suction port 9b Suction port 10 Bend section 11 Relief section 12 Pressurizing means 20 Press roller 21 Press roller 25 Roller contact surface 26 Roller contact surface 27 Slope 28 Slope Reference Signs List 30 positioning hole 31 positioning hole 40 air cylinder 41 drive motor 42 air cylinder 43 drive motor 100 sheet substrate

Claims (10)

[Claims] 1. A lower mold on which a sheet-shaped substrate is positioned and placed, an upper mold in contact with the sheet-shaped substrate on the lower mold, and at least one of the lower mold and the upper mold And a movable pressurizing means abutting against the bent portion, wherein the pressurizing means presses against the bent portion. Having a roller, the bent portion is the same as the pressure contact surface of the other mold to be contacted, or protrudes from the pressure contact surface,
A part bending device, wherein a bending step and a pressing step are performed simultaneously by pressing and moving the pressure roller along one surface of a substantially inverted V-shape. 2. The pressure roller presses against one surface of a substantially V-shaped bent portion of the lower die and the upper die and presses the same, and a drive that moves along one surface of a substantially inverted V-shape. The component bending apparatus according to claim 1, further comprising a part. 3. The component bending apparatus according to claim 1, wherein a moving speed of the pressure roller is variable. 4. The component bending apparatus according to claim 1, wherein the flexible sheet-like substrate is attracted and fixed. 5. A lower mold on which a sheet-shaped substrate is positioned and placed, an upper mold in contact with the sheet-shaped substrate on the lower mold, and at least one of the lower mold and the upper mold. And a movable pressurizing means abutting against the bent portion, wherein the pressurizing means presses against the bent portion. Having a roller, the bent portion is the same as the pressure contact surface of the other type to be contacted, or protrudes from the pressure contact surface,
Using a flexible sheet-like substrate manufactured by a component bending apparatus that simultaneously performs a bending step and a pressing step by pressing and moving the pressing roller along one surface of a substantially inverted V-shape. Characteristic inkjet head. 6. A lower mold on which a sheet-shaped substrate is positioned and placed, an upper mold in contact with the sheet-shaped substrate on the lower mold, and a pair of substantially formed on the upper mold. It has a V-shaped bent portion, and a movable pressing means abutting on the bent portion, the pressing means having a pressing roller abutting on the bent portion, The bent portion is the same as or protrudes from the pressure contact surface of the lower die to be contacted, and presses and moves the pressure roller along one surface of a substantially inverted V-shape. A part bending apparatus characterized in that a bending step and a pressing step are performed simultaneously by causing the parts to be bent. 7. A pressing unit that presses against one surface of the substantially V-shaped bent portion of the upper die to pressurize the pressing roller,
7. The component bending apparatus according to claim 6, further comprising a driving unit configured to move along a surface of the substantially inverted V-shape. 8. The apparatus according to claim 7, wherein the moving speed of the pressure roller is variable. 9. The component bending apparatus according to claim 7, wherein the flexible sheet-like substrate is attracted and fixed. 10. A lower mold on which a sheet-shaped substrate is positioned and placed, an upper mold in contact with the sheet-shaped substrate on the lower mold, and a pair of substantially formed on the lower mold. An inverted V-shaped bent portion, and a movable pressurizing unit abutting on the bent portion, the pressurizing unit includes a pair of pressure rollers abutting on the bent portion The bent portion is the same as or protrudes from the pressure contact surface of the lower die to be contacted, and applies the pressure roller along one surface of a substantially inverted V-shape. An ink jet head using a flexible sheet-like substrate manufactured by a component bending apparatus that performs a bending step and a pressing step simultaneously by pressing and moving.