WO2009141865A1 - Procédé de cintrage de tôles et dispositif d’angle de cintrage - Google Patents

Procédé de cintrage de tôles et dispositif d’angle de cintrage Download PDF

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Publication number
WO2009141865A1
WO2009141865A1 PCT/JP2008/059208 JP2008059208W WO2009141865A1 WO 2009141865 A1 WO2009141865 A1 WO 2009141865A1 JP 2008059208 W JP2008059208 W JP 2008059208W WO 2009141865 A1 WO2009141865 A1 WO 2009141865A1
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WO
WIPO (PCT)
Prior art keywords
plate
bending
angle
sensor ring
detection device
Prior art date
Application number
PCT/JP2008/059208
Other languages
English (en)
Japanese (ja)
Inventor
末弘 水河
Original Assignee
Mizukawa Suehiro
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mizukawa Suehiro filed Critical Mizukawa Suehiro
Priority to PCT/JP2008/059208 priority Critical patent/WO2009141865A1/fr
Priority to EP08764368A priority patent/EP2298464A4/fr
Priority to US12/993,171 priority patent/US20110061431A1/en
Priority to JP2010512872A priority patent/JPWO2009141865A1/ja
Publication of WO2009141865A1 publication Critical patent/WO2009141865A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/20—Bending sheet metal, not otherwise provided for

Definitions

  • the present invention relates to a plate bending method and a bending angle detection device, and more particularly to a plate bending method and a bending angle detection device that can reduce labor required for bending a plate.
  • Patent Document 1 discloses a plate bending apparatus. This device includes a fixed mold having a slit and a movable mold that is rotatably fitted to a fixed mold shaft.
  • Patent Document 2 discloses a method of bending a plate. In this method, a plate is fed out from the outlet, and when the feeding of the plate is stopped, the plate is pressed against the end portion on the outlet side and bent.
  • Patent Document 2 Even an amateur can bend and process a plate into a desired shape easily and quickly like an expert.
  • Patent Document 3 discloses a method for bending a plate. This method is a method of repeating the following two-step process.
  • the first step is a step of keeping the feed bearing in contact with the plate.
  • the second step the plate is intermittently fed through the slit provided in the fixed mold, and the plate is pressed against the exit corner of the slit by the pressing tool every time the feeding of the plate is stopped due to the suspension of the servo motor operation. This is a bending process.
  • Patent Document 4 discloses a plate processing apparatus.
  • This apparatus includes a bending shape input unit, a characteristic data input unit, and an arithmetic unit.
  • the bending shape input unit receives an input of a geometric bending shape of a long plate.
  • the characteristic data input unit accepts input of characteristic data relating to the bending of the plate.
  • the arithmetic unit calculates plate bending data based on the geometric bending shape received by the bending shape input unit and the characteristic data received by the characteristic data input unit.
  • the plate can be accurately processed by taking into consideration the characteristics relating to the bending of the plate.
  • Patent Documents 1 to 3 have a problem that it is difficult to bend the plate at an angle desired by the user. This is because when a force is applied to bend the plate and then the force is released, a springback occurs and the angle of the bent portion changes. “Springback” means a phenomenon in which, when a force is applied to a plate to such an extent that plastic deformation occurs and then the force is removed from the plate, the deformation caused by the elastic deformation is eliminated. It is difficult to predict how much the angle of the bent plate will change due to the springback.
  • the invention disclosed in Patent Document 4 can accurately process a long plate, there is a problem that it is difficult to acquire characteristic data necessary for that purpose.
  • the characteristic data is generated from the data of how much the plate is bent during the bending process and the measurement result of the angle of the portion bent by the bending process.
  • Generating characteristic data in this way requires the data to be processed after iterative bending and measurement of the sample produced thereby. This operation is time consuming and labor intensive. This operation increases the labor and time required for the entire bending operation.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a plate folding method and a bending angle detection device that can reduce the labor required for bending a plate. is there.
  • the plate bending method is a method of bending a plate with a bending machine.
  • the plate is mounted until it is detected that the angle of the bent portion of the plate reaches a predetermined angle when the plate is attached to the bending machine and the springback is completed.
  • the bending operation is repeated a plurality of times.
  • the plate bending method described above is preferably a method of further bending the plate until it is detected by a bending angle detection device connected to a bending machine.
  • the bending angle detection device described above measures the orientation of the plate before the bending machine bends the plate and the orientation of the plate after the bending machine bends the plate by contacting the plate. .
  • the bending angle detection device detects an angle.
  • the bending angle detection device is a device connected to a bending machine.
  • the angle is an angle of a bent portion of a plate bent by a bending machine.
  • the bending angle detection device includes a signal generation device, a connection unit, a drive device, and a rotation angle detection device.
  • the signal generation device generates a signal according to whether or not it is in contact with the plate.
  • the connection unit rotatably connects the signal generation device to the bending machine.
  • the drive device drives the signal generation device to rotate.
  • the rotation angle detection device detects the rotation angle of the signal generation device.
  • the connection part has a holder fixed to the bending machine and a bearing connected to the holder. The bearing positions the signal generator such that the rotation axis of the plate when the bending machine bends the plate and the rotation axis of the signal generator coincide with each other.
  • the signal generating device is rotatably connected to the bending machine by the connecting portion so that the rotation axis of the plate when the bending machine bends the plate and the rotation axis of the rotating member coincide.
  • the signal generation device is driven to rotate by the driving device.
  • the rotation angle of the signal generation device is detected by the rotation angle detection device.
  • the rotation angle of the signal generator matches the rotation angle of the plate bent by the bending machine. Since the signal generator generates a signal according to whether or not it is in contact with the plate, if the rotation angle of the signal generator when the signal is generated is detected by the rotation angle detector, the bending machine can Even without removing the plate, the rotation angle of the plate folded by the bending machine can be detected. If the rotation angle of the plate is measured in a state in which the spring back is completed, it is not necessary to consider the error due to the spring back. As a result, the labor required for bending the plate can be reduced.
  • the plate bending method and the bending angle detection device according to the present invention can reduce the labor required for bending a plate.
  • 1 is an external view of a servo motor according to an embodiment of the present invention. It is sectional drawing about a part of servomotor which concerns on embodiment of this invention. It is an external view of the spring joint which concerns on embodiment of this invention. It is a three-dimensional exploded view of a spring joint according to an embodiment of the present invention. It is sectional drawing of the spring joint which concerns on embodiment of this invention. It is a 1st figure which shows operation
  • FIG. 1 is an external view of a bending angle detection device 50 according to the present embodiment.
  • FIG. 2 is a three-dimensional exploded view of the bending angle detection device 50 according to the present embodiment.
  • FIG. 3 is an external view of the servo motor 60.
  • FIG. 4 is a cross-sectional view of a part of the servo motor 60.
  • FIG. 5 is an external view of the spring joint 104.
  • FIG. 6 is an exploded view of the spring joint 104.
  • FIG. 10 is an external view of the holder 62.
  • FIG. 11 is an external view and a cross-sectional view of the sensor ring L64.
  • FIG. 12 is a perspective view of the sensor ring L64.
  • FIG. 13 is an external view and a cross-sectional view of the sensor ring R66.
  • FIG. 14 is a perspective view of the sensor ring R66.
  • FIG. 15 is a view taken in the direction of arrow A in FIG.
  • FIG. 16 is a diagram showing a situation where the sensor ring L64 is removed from FIG.
  • FIG. 17 is a cross-sectional view of the bending angle detector 50 with the servo motor 60 removed.
  • FIG. 18 is a cross-sectional view of the bending angle detector 50 as viewed from a direction orthogonal to FIG.
  • FIG. 19 is a perspective view of a bending machine 80 to which the bending angle detection device 50 according to the present embodiment is attached.
  • FIG. 20 is a perspective view illustrating a state in which the bending angle detection device 50 is attached to the bending machine 80.
  • FIG. 21 is a control block diagram of the bending machine 80.
  • FIG. 22 is a conceptual diagram showing a situation in which the blade material plate 300 is passed through a slit (not shown) of the bending shaft 92 because it is bent by the claw of the rotary cylinder 90.
  • FIG. 23 is a conceptual diagram showing a situation in which the claw of the rotating cylinder 90 is brought into contact with the blade material plate 300 in order to start bending of the blade material plate 300.
  • FIG. 24 is a conceptual diagram showing a state in which the microswitch R162 is brought into contact with the blade material plate 300 as preparation for measuring the angle of the bent blade material plate 300.
  • FIG. 25 is a conceptual diagram showing a situation when the blade material plate 300 is bent by the claw of the rotary cylinder 90.
  • FIG. 26 is a conceptual diagram showing a state in which the microswitch R162 is brought into contact with the blade member plate 300 to measure the angle after the blade member plate 300 is bent.
  • FIG. 27 is a conceptual diagram illustrating a state in which the microswitch R162 is rotated in the reverse direction after the angle of the blade member plate 300 is measured.
  • FIG. 28 is a flowchart showing a control procedure for accurately bending the blade plate 300 without measuring the spring back in advance.
  • the bending angle detection device 50 is attached to a bending machine 80.
  • the bending angle detection device 50 is connected to the bending machine 80 and measures the angle of the plate bent by the bending machine 80.
  • the bending machine 80 will be described later.
  • the bending angle detection device 50 includes a servo motor 60, a holder 62, a sensor ring L64, a sensor ring R66, a spacer 68, and a bearing 70.
  • the servo motor 60 is controlled by a control unit 98 of a bending machine 80 described later.
  • the servo motor 60 drives the sensor ring L64 and the sensor ring R66.
  • a servo motor 60, a sensor ring L64, and a sensor ring R66 are attached to the holder 62.
  • the tip of the bending shaft 92 of the bending machine 80 is fitted into the holder 62.
  • the bending shaft 92 is fitted into the holder 62 after passing through the rotary cylinder 90 which is also a part of the bending machine 80.
  • the sensor ring L ⁇ b> 64 measures the angle of the bent portion of the blade material plate 300 from one side surface of the blade material plate 300.
  • the sensor ring R66 measures the angle of the bent portion of the blade material plate 300 from the side surface opposite to the sensor ring L64.
  • the spacer 68 is a member for keeping the bearing 70 in an appropriate position.
  • the bearing 70 is configured so that the rotation axis of the blade material plate 300 when the bending machine 80 bends the blade material plate 300 matches the rotation axis of the sensor ring L64 and the sensor ring R66. It is a member for positioning rotatably.
  • the spacer 68 and the bearing 70 are connected to the holder 62 by a bolt 72.
  • the servo motor 60 will be described with reference to FIGS.
  • the servo motor 60 includes a motor main body 100, a rotation angle sensor 102, a spring joint 104, a first gear 106, and a second gear 108.
  • the motor body 100 generates torque for rotating the first gear 106 and the second gear 108.
  • the sensor ring L64 and the sensor ring R66 are driven by this torque.
  • the rotation angle sensor 102 detects the rotation angle of the rotor of the motor main body 100.
  • the spring joint 104 is attached to the rotor of the motor main body 100 and the rotation shafts of the first gear 106 and the second gear 108, and transmits the torque generated by the motor main body 100 to the first gear 106 and the second gear 108.
  • the first gear 106 meshes with the gear 154 of the sensor ring L64, and transmits torque to the sensor ring L64.
  • the second gear 108 meshes with the gear 164 of the sensor ring R66 and transmits torque to the sensor ring R66.
  • the structure of the spring joint 104 will be described with reference to FIGS.
  • the spring joint 104 includes an upper rotating cylinder 110, a first spring 112, a middle rotating cylinder 114, a second spring 116, and a lower rotating cylinder 118.
  • the rotor of the motor main body 100 is fitted into the upper rotating cylinder 110.
  • the upper rotating cylinder 110 transmits the torque generated by the motor main body 100 to the middle rotating cylinder 114.
  • a protrusion 130 is provided at the lower end of the upper rotating cylinder 110.
  • the first spring 112 is fitted in the upper rotating cylinder 110 and the middle rotating cylinder 114, and when the upper rotating cylinder 110 cannot directly transmit torque to the middle rotating cylinder 114, the torque generated by the motor body 100 is transmitted to the middle rotating cylinder 114.
  • the middle rotary cylinder 114 is fitted into the upper rotary cylinder 110 and the lower rotary cylinder 118 while penetrating the first spring 112 and the second spring 116.
  • the middle rotating cylinder 114 transmits the torque transmitted from the upper rotating cylinder 110 or the first spring 112 to the second spring 116.
  • a protrusion 132 is provided at the central portion of the middle rotating cylinder 114.
  • the second spring 116 is fitted into the middle rotating cylinder 114 and the lower rotating cylinder 118, and when the middle rotating cylinder 114 cannot directly transmit torque to the lower rotating cylinder 118, the torque generated by the motor body 100 is transmitted to the lower rotating cylinder 118.
  • the rotating shafts of the first gear 106 and the second gear 108 are fitted into the lower rotating cylinder 118.
  • the lower rotating cylinder 118 transmits the torque generated by the motor main body 100 to the rotating shafts of the first gear 106 and the second gear 108.
  • a protrusion 134 is provided on the upper end of the lower rotating cylinder 118.
  • the operation of the spring joint 104 will be described with reference to FIGS. 8 and 9. It is assumed that torque in the clockwise direction when viewed from the motor main body 100 is transmitted to the spring joint 104.
  • the upper rotating cylinder 110 rotates in the same direction as the rotor of the motor body 100.
  • the protrusion 130 of the upper rotating cylinder 110 presses the protrusion 132 of the middle rotating cylinder 114.
  • the middle rotary cylinder 114 also rotates in the same direction as the rotation axis of the motor body 100.
  • the middle rotary cylinder 114 rotates, the torque generated by the motor main body 100 is transmitted to the lower rotary cylinder 118 via the second spring 116.
  • the second spring 116 since the second spring 116 is deformed, the torque transmitted to the lower rotary cylinder 118 is not so large.
  • the lower rotary cylinder 118 does not rotate.
  • the structure of the holder 62 will be described with reference to FIG.
  • the holder 62 includes a hole 140, a hole 142, and a hole 144.
  • the rotation shafts of the first gear 106 and the second gear 108 pass through the hole 140.
  • the tip of the bending shaft 92 of the bending machine 80 is fitted into the hole 142.
  • Bolts for fixing the holder 62 to the bending machine 80 pass through the holes 144.
  • the sensor ring L64 and the sensor ring R66 are connected to the holder 62 in a rotatable state by a bearing 70.
  • the configuration of the sensor ring L64 will be described with reference to FIGS.
  • the sensor ring L64 includes a micro switch L152 and a gear 154 in the main body 150.
  • the main body 150 has a shape in which a side wall is cylindrical and a round hole is opened at the bottom.
  • a fan-shaped plate 156 is attached to the upper end of the side wall, that is, the bottom of the main body 150 in FIG. 11, and the microswitch L152 is fixed to the fan-shaped plate 156 and the upper end of the side wall.
  • the micro switch L152 includes a switch box in which a push button type switch is incorporated and a contact plate attached to the switch box via a hinge.
  • the contact plate comes into contact with the blade plate 300 that is bent by the bending machine 80, the contact plate presses a switch in the switch box.
  • the sensor ring L64 operates as a device that generates a signal according to whether or not it is in contact with the blade plate 300.
  • the gear 154 is provided at the edge of the hole of the portion that is the top plate of the main body 150 in FIG. However, the gear 154 is not provided all around the edge. A part where the gear 154 is not provided exists at a part of the edge. A groove 158 into which the flange of the bearing 70 is fitted is provided slightly below the gear 154.
  • the configuration of the sensor ring R66 will be described with reference to FIGS.
  • the sensor ring R66 includes a main body 160 provided with a micro switch R162 and a gear 164.
  • the main body 160 is cylindrical.
  • a protrusion 166 is provided at the lower end of the side wall of the main body 160, and a micro switch R162 is attached thereto.
  • the micro switch R162 has the same structure as the micro switch L152. For this reason, sensor ring R66 produces
  • the gear 164 is provided at the upper edge of the main body 160 in FIG. However, the gear 164 is not provided all around the edge. A part where the gear 164 is not provided exists at a part of the edge.
  • a groove 168 into which the flange of the bearing 70 is fitted is provided slightly below the gear 164.
  • the sensor ring L64 and other arrangements will be described with reference to FIGS.
  • the sensor ring L64 and the sensor ring R66 are connected to the holder 62.
  • the sensor ring L64 and the sensor ring R66 are not directly connected to the holder 62.
  • Directly connected to the holder is a spacer 68.
  • a bearing 70 is connected to the holder 62 via a spacer 68.
  • the sensor ring L64 and the sensor ring R66 are indirectly connected to the holder 62 by fitting the flange of the bearing 70 into the groove 158 of the sensor ring L64 and the groove 168 of the sensor ring R66.
  • the fixed position of sensor ring L64 is different from the fixed position of sensor ring R66. Since they are different, the rotation shaft 170 of the sensor ring L64 and the rotation shaft 172 of the sensor ring R66 are different.
  • the rotating shaft 170 and the rotating shaft 172 are positioned near the edge of the blade member plate 300 bent by the rotating cylinder 90. More specifically, the rotating shaft 170 is arranged so as to coincide with the rotating shaft when the blade plate 300 is bent in one direction by the rotating cylinder 90, and the blade plate 300 is bent in the other direction.
  • the rotation shaft 172 is arranged so as to coincide with the rotation shaft of the first rotation shaft.
  • the rotation angle of the sensor ring L64 or the sensor ring R66 matches the bending angle of the plate because the rotation shaft 170 and the rotation shaft 172 coincide with the rotation axis when the blade plate 300 is bent.
  • the rotation axis when the blade material plate 300 is bent is at a distance of one half of the thickness of the blade material plate 300 from the tip of the claw of the rotary cylinder 90, and the blade material plate. It is a point at a distance of one half of the thickness from the side surface of 300.
  • the bending machine 80 includes a top plate 94 and a gear case 96.
  • a bending shaft 92 is fitted in the hole of the top plate 94.
  • the gear case 96 accommodates a gear (not shown). This gear is a gear for transmitting torque to a feed bearing (not shown) for feeding the blade plate 300.
  • the top plate 94 and the gear case 96 are replaced with a different top plate 95 and gear case 97.
  • the top plate 95 is not provided with a hole for fitting the bending shaft 92, and the gear case 97 is provided with a screw hole into which a bolt penetrating the holder 62 is screwed. That is, the bending angle detection device 50 is connected to the bending machine 80 by screwing the holder 62 to the gear case 97.
  • the bending machine 80 further includes a touch panel 91 and a cylinder rotating motor 93.
  • the touch panel 91 is a device for displaying information and allowing the user to input information.
  • the cylinder rotating motor 93 drives the rotating cylinder 90.
  • the control unit 98 of the bending machine 80 will be described with reference to FIG.
  • the bending machine 80 includes a control unit 98 in addition to the touch panel 91 and the cylinder rotation motor 93.
  • the control unit 98 controls the bending process on the blade material plate 300.
  • the control unit 98 controls angle measurement by the bending angle detection device 50 in addition to bending the blade material plate 300.
  • the control unit 98 includes a cylinder rotation motor I / O (input / output) 180, a first external I / O 182, a second external I / O 184, a third external I / O 186, a touch panel I / O 188, and a flash.
  • a memory reading device 190, a ROM (Read Only Memory) 192, a RAM (Random Access Memory) 194, and a CPU (Central Processing Unit) 196 are provided.
  • the cylinder rotation motor I / O 180 outputs a control signal to the cylinder rotation motor 93.
  • the first external I / O 182 is connected to the servo motor 60, receives input of information indicating the rotation angle from the rotation angle sensor 102, and outputs a control signal to the motor body 100.
  • the second external I / O 184 receives a signal input from the micro switch L152.
  • the third external I / O 186 receives a signal input from the micro switch R162.
  • the touch panel I / O 188 outputs an image signal to the touch panel 91 and accepts input of information by the user via the touch panel 91.
  • the flash memory reader 190 reads a control program to be executed by the CPU 196 from the flash memory 350.
  • This control program is a program for controlling the bending angle detection device 50 as well as bending the blade material plate 300.
  • the ROM 192 reads a control program from the flash memory 350 and stores a program for executing the control program.
  • the RAM 194 temporarily stores the control program read from the flash memory 350.
  • the RAM 194 temporarily stores data for the CPU 196 to process information.
  • the CPU 196 sequentially executes the control program stored in the RAM 194 to control the bending process on the blade material plate 300 and the angle measurement by the bending angle detection device 50.
  • the fan-shaped plate 156 and the protruding portion 166 are arranged in contact with each other at a position opposite to the servo motor 60 with respect to the bending shaft 92.
  • the positions of the sensor ring L64 and the sensor ring R66 at this time are referred to as “reference positions”.
  • a feeding roller (not shown) of the bending machine 80 feeds the blade material plate 300 from between the slits of the bending shaft 92.
  • FIG. 22 illustrates this situation.
  • the controller 98 When the blade member plate 300 is sent out, the controller 98 outputs a control signal to the tube rotation motor 93 via the tube rotation motor I / O 180 to drive the tube rotation motor 93. As a result, the rotary cylinder 90 rotates and the tip of the claw reaches the bending start position. FIG. 23 illustrates this situation.
  • the servo motor 60 When the tip of the claw of the rotating cylinder 90 reaches the bending start position, the servo motor 60 generates torque according to the control of the control unit 98. The torque is transmitted to the sensor ring L64 and the sensor ring R66 via the first gear 106 and the second gear 108. As a result, the sensor ring R66 rotates. Although the sensor ring L64 initially rotates, the rotation stops halfway. As shown in FIG. 11, the gear 154 is not provided around the entire edge of the main body 150. As a result, the first gear 106 does not mesh with the gear 154. The control unit 98 grasps the rotation angle of the second gear 108 based on the rotation angle data input by the rotation angle sensor 102.
  • the control unit 98 indirectly grasps the rotation angle of the micro switch R162.
  • the micro switch R162 inputs a signal to the third external I / O 186.
  • the CPU 196 detects the rotation angle of the micro switch R162 based on the rotation angle of the second gear 108 at the time when the signal is input to the micro switch R162.
  • FIG. 24 illustrates this situation.
  • the control unit 98 drives the tube rotation motor 93.
  • the rotary cylinder 90 rotates and the tip of the claw of the rotary cylinder 90 bends the blade plate 300.
  • FIG. 25 illustrates this situation.
  • the servo motor 60 When the blade plate 300 is bent, the servo motor 60 generates torque according to the control of the control unit 98. The torque is transmitted to the sensor ring R66 via the second gear 108. Thereby, the micro switch R162 rotates again. When the blade plate 300 is contacted again, the microswitch R162 inputs a signal to the third external I / O 186 again. FIG. 26 illustrates this situation.
  • the CPU 196 detects the rotation angle of the micro switch R162 based on the rotation angle of the second gear 108 when the signal is input again by the micro switch R162. When the rotation angle of the micro switch R162 is detected, the CPU 196 calculates an angle difference between the rotation angle and the rotation angle of the micro switch R162 detected first.
  • the rotation axis of the micro switch R162 and the sensor ring R66 is located on the rotation axis when the blade plate 300 is bent.
  • the calculated angle difference becomes equal to the rotation angle of the bent portion of the blade plate 300.
  • This angle difference can be calculated by storing the number of teeth of the second gear 108 and the number of teeth of the gear 164 in the RAM 194 in advance. The number of teeth can be stored in the RAM 194 by reading from the flash memory 350 as part of the control program or as a data file independent of the control program.
  • the servo motor 60 When the angle difference is calculated, the servo motor 60 generates torque according to the control of the control unit 98. The torque is transmitted to the sensor ring R66 via the second gear 108. Thereby, the micro switch R162 rotates again. However, the micro switch R162 returns to the reference position by its rotation. When returning to the reference position, the protrusion 166 pushes the fan-shaped plate 156. As a result, the gear 154 meshes with the first gear 106 again. FIG. 27 illustrates this situation.
  • step S250 the CPU 196 of the bending machine 80 drives a feed roller (not shown) to feed the blade plate 300 by a predetermined length.
  • step S252 the CPU 196 outputs a control signal for generating torque to the servo motor 60.
  • the servo motor 60 generates torque according to the control signal.
  • the sensor ring R66 rotates when the torque generated by the servomotor 60 is transmitted. In this case, one of the sensor rings L64 initially rotates, but does not mesh with the first gear 106 and eventually does not rotate.
  • step S254 the CPU 196 determines whether or not the sensor ring R66 has detected the blade plate 300 based on the signal input from the micro switch R162 to the third external I / O 186. When it is determined that blade plate 300 has been detected (YES in step S254), the process proceeds to step S256. If not (NO in step S254), the process proceeds to step S252.
  • step S256 the CPU 196 outputs a control signal for stopping the generation of torque to the servo motor 60. As a result, the rotation of the first gear 106 and the second gear 108 stops.
  • step S258 the CPU 196 calculates the rotation angle of the sensor ring R66 based on the rotation angle data input by the rotation angle sensor 102.
  • the CPU 196 stores the rotation angle in the RAM 194.
  • the rotation angle indicates the folding start point of the blade member plate 300.
  • step S260 the CPU 196 outputs a control signal for generating torque to the servo motor 60.
  • the rotor of the motor main body 100 rotates.
  • the rotation angle at this time is an angle that satisfies the following requirements.
  • the requirement is a requirement that the angle of the bent portion of the blade plate 300 is an angle designated by the user via the touch panel 91.
  • the sensor ring R66 tends to rotate according to the rotation of the rotor. However, since it is blocked by the blade material plate 300, the sensor ring R66 does not rotate. For this reason, the upper rotating cylinder 110 of the spring joint 104 rotates relative to the lower rotating cylinder 118.
  • step S262 the CPU 196 drives the cylinder rotation motor 93. Thereby, the rotary cylinder 90 rotates and the blade member plate 300 is bent in a direction away from the microswitch R162. At this time, since the first spring 112 and the second spring 116 of the spring joint 104 return from the elastically deformed state to the non-elastically deformed state, the microswitch R162 follows the blade plate 300.
  • step S264 the CPU 196 determines whether the micro switch R162 no longer detects the blade plate 300 based on the signal input by the micro switch R162. When it is determined that blade material plate 300 is no longer detected (YES in step S264), the process proceeds to step S266. If not (NO in step S264), the process proceeds to step S262.
  • step S266 the CPU 196 drives the cylinder rotation motor 93 again. Thereby, the rotary cylinder 90 further rotates and the blade material plate 300 is further bent. That is, the blade member plate 300 is pushed further.
  • the rotation angle of the rotary cylinder 90 is an angle at which the plastic deformation of the blade plate 300 proceeds slightly.
  • the CPU 196 rotates the tube rotation motor 93 in the reverse direction. Due to the reverse rotation of the tube rotating motor 93, the rotation angle of the rotating tube 90 returns to the angle at which the micro switch R162 no longer detects the blade plate 300 as a result of rotating the rotating tube 90 in step S262.
  • the direction of the blade member plate 300 slightly returns due to the springback, but since the plastic deformation is progressing, the direction does not return to the direction before the additional pressing. As a result, the angle of the blade member plate 300 when the claw of the rotating cylinder 90 is separated approaches the angle specified by the user.
  • step S268 the CPU 196 determines whether or not the micro switch R162 no longer detects the blade plate 300 based on the signal input by the micro switch R162. When it is determined that blade material plate 300 is no longer detected (YES in step S268), the process proceeds to step S270. If not (NO in step S288), the process proceeds to step S266.
  • step S270 the CPU 196 drives the servo motor 60 so that the micro switch R162 returns to the reference position.
  • step S272 the control unit 98 updates the information in order to perform the next bending process.
  • the bending machine 80 accurately bends the blade material plate 300 based on the orientation of the blade material plate 300 detected as a result of the angle measurement by the bending angle detection device 50. Do not measure springback. This eliminates the need for the user of the bending machine 80 to manually measure the springback. In the first place, it is not necessary to know in detail how much the rotating cylinder 90 is rotated to accurately fold the blade plate 300. Accordingly, the labor required for bending the blade material plate 300 can be reduced.
  • the spring joint 104 is not limited to the configuration described above.
  • a plate spring, a rubber tube, or the like that transmits torque supplied from the motor main body 100 of the servo motor 60 to the signal generation device and elastically deforms by the torque may be used.
  • another cushioning material may be used.
  • the buffer material may be any material that transmits torque supplied from the motor main body 100 to the sensor ring L64 or the sensor ring R66 and is elastically deformed by the torque supplied from the motor main body 100.
  • the spring joint 104 may not be provided.
  • the rotation angles thereof may be directly measured.
  • a method of engaging a spur gear with the gear 154 of the sensor ring L64 or the gear 164 of the sensor ring R66 and connecting an angle sensor to the shaft can be considered.
  • another driving device may drive the sensor ring L64 and the sensor ring R66.
  • the mechanism for driving is not particularly limited.
  • the bending angle detection device 50 may include a signal generation device that generates a signal according to whether or not the blade plate 300 is in contact with a mechanism different from those. good.
  • a signal generation device the rotation angle of the microswitch is determined based on the positional relationship between the position in contact with the blade material plate 300 and the rotation axis of the blade material plate 300 being bent. There is a device for calculating.
  • the bending angle detection device 50 may include a control unit.
  • the configuration of the control unit may be the same as that of the control unit 98.
  • the bending angle detection device 50 can measure the angle of the bent portion of the blade plate 300 without depending on the control unit 98 of the bending machine 80.
  • the control unit of the bending angle detection device 50 may cooperate with the control unit 98 of the bending machine 80.
  • control unit 98 the program recording medium for the control unit 98 to read the control program is not limited to the flash memory 350.
  • a USB memory may be used.
  • control program may be received via the Internet.

Abstract

La présente invention concerne un dispositif de détection d’angle de cintrage permettant de réduire le travail nécessaire au cintrage d’une tôle. Le dispositif de détection d’angle de cintrage (50) comporte un capteur annulaire (64), un support (62), un roulement (70), un corps de moteur de servomoteur (60), et un capteur d’angle de rotation (102). Le segment en L capteur (64) génère un signal dépendant de la présence ou non de contact avec une tôle de matériau de lame. Le support (62) et le roulement (70) relient en rotation le capteur annulaire (64) à une machine à cintrer. Le corps de moteur du servomoteur (60) est entraîné pour faire tourner le segment en L capteur (64). Le capteur d’angle de rotation (102) détecte l’angle de rotation du capteur annulaire (64). Le support (62) et le roulement (70) relient le segment en L capteur (64) à la machine à cintrer de sorte que l’axe de rotation de la tôle de matériau de coupe et l’axe de rotation du capteur annulaire (64) soit mutuellement alignés lorsque la machine à cintrer effectue le cintrage de la tôle de matériau de lame.
PCT/JP2008/059208 2008-05-20 2008-05-20 Procédé de cintrage de tôles et dispositif d’angle de cintrage WO2009141865A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2008/059208 WO2009141865A1 (fr) 2008-05-20 2008-05-20 Procédé de cintrage de tôles et dispositif d’angle de cintrage
EP08764368A EP2298464A4 (fr) 2008-05-20 2008-05-20 Procédé de cintrage de tôles et dispositif d'angle de cintrage
US12/993,171 US20110061431A1 (en) 2008-05-20 2008-05-20 Plate bending method and bending angle detection device
JP2010512872A JPWO2009141865A1 (ja) 2008-05-20 2008-05-20 板折り曲げ方法、折り曲げ角検出装置、および、制御プログラムを記録したコンピュータ読取可能なプログラム記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2008/059208 WO2009141865A1 (fr) 2008-05-20 2008-05-20 Procédé de cintrage de tôles et dispositif d’angle de cintrage

Publications (1)

Publication Number Publication Date
WO2009141865A1 true WO2009141865A1 (fr) 2009-11-26

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PCT/JP2008/059208 WO2009141865A1 (fr) 2008-05-20 2008-05-20 Procédé de cintrage de tôles et dispositif d’angle de cintrage

Country Status (4)

Country Link
US (1) US20110061431A1 (fr)
EP (1) EP2298464A4 (fr)
JP (1) JPWO2009141865A1 (fr)
WO (1) WO2009141865A1 (fr)

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KR20190045336A (ko) * 2016-10-11 2019-05-02 에스엠에스 그룹 게엠베하 벤딩 블레이드를 포함한 성형 프레스

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JP2013000986A (ja) * 2011-06-17 2013-01-07 Brother Industries Ltd インクジェットプリンタ
US9314831B2 (en) * 2011-06-24 2016-04-19 Revcor, Inc. Manufacturing system and methods

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JPH06304685A (ja) 1993-04-21 1994-11-01 Itami Kogyo Kk ナイフの加工装置
JPH07266A (ja) 1993-06-15 1995-01-06 Koei Shiyousan Kk 衣服カバーの製造方法及びその装置
JPH07116737A (ja) * 1993-10-19 1995-05-09 Komatsu Ltd 曲げ角度測定装置
JPH08215760A (ja) * 1995-02-20 1996-08-27 Suehiro Mizukawa 帯板材曲げ加工装置の可動型
JPH08215761A (ja) 1995-02-20 1996-08-27 Suehiro Mizukawa 帯板材の曲げ加工方法及び曲げ加工装置
JP2001353528A (ja) 2001-06-11 2001-12-25 Suehiro Mizukawa 板材の曲げ加工方法
JP2007114077A (ja) * 2005-10-21 2007-05-10 Murata Mach Ltd プレスブレーキにおける板材曲げ角度測定装置および物品角度測定装置

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JPH06304685A (ja) 1993-04-21 1994-11-01 Itami Kogyo Kk ナイフの加工装置
JPH07266A (ja) 1993-06-15 1995-01-06 Koei Shiyousan Kk 衣服カバーの製造方法及びその装置
JPH07116737A (ja) * 1993-10-19 1995-05-09 Komatsu Ltd 曲げ角度測定装置
JPH08215760A (ja) * 1995-02-20 1996-08-27 Suehiro Mizukawa 帯板材曲げ加工装置の可動型
JPH08215761A (ja) 1995-02-20 1996-08-27 Suehiro Mizukawa 帯板材の曲げ加工方法及び曲げ加工装置
JP2001353528A (ja) 2001-06-11 2001-12-25 Suehiro Mizukawa 板材の曲げ加工方法
JP2007114077A (ja) * 2005-10-21 2007-05-10 Murata Mach Ltd プレスブレーキにおける板材曲げ角度測定装置および物品角度測定装置

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190045336A (ko) * 2016-10-11 2019-05-02 에스엠에스 그룹 게엠베하 벤딩 블레이드를 포함한 성형 프레스
KR102213572B1 (ko) 2016-10-11 2021-02-08 에스엠에스 그룹 게엠베하 벤딩 블레이드를 포함한 성형 프레스

Also Published As

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US20110061431A1 (en) 2011-03-17
EP2298464A4 (fr) 2011-11-02
EP2298464A1 (fr) 2011-03-23
JPWO2009141865A1 (ja) 2011-09-22

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