JP6246282B1 - Panel processing control device and panel processing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To correct the position of a hole opened in an overlapping plate in a hole machining process or a bending process, and avoid the occurrence of manual work in a subsequent process. SOLUTION: A hole processing instructing unit for instructing a hole processing apparatus to open a plurality of holes at a predetermined position of a sheet metal to be processed, and an instruction to the bending apparatus to bend a predetermined portion of the holed sheet metal. The photographing apparatus is instructed to photograph an overlapping hole portion indicating a portion where the upper hole located on the upper side and the lower hole located on the lower side overlap in the bent metal sheet portion that is bent and overlapped. An imaging instruction unit, an image data input unit that inputs image data including an overlapping hole portion from the imaging device, and an arithmetic unit that calculates the amount of deviation between the upper hole and the lower hole in the overlapping hole portion based on the input image data If the calculated deviation amount is equal to or greater than a reference value, the deviation amount is stored in the memory as a correction value for a bending dimension in a bending apparatus or a correction value for a hole processing position dimension in a drilling apparatus. A determination unit to be stored. [Selection] Figure 1

Description

  Embodiments described herein relate generally to a panel processing control apparatus and a panel processing method.

  A door panel (hereinafter referred to as a “panel”) or a car room wall surface that constitutes an elevator door (car door and landing door) is processed from a single sheet metal by a panel processing apparatus. Specifically, a panel is formed by taking out a sheet metal from a storage warehouse, cutting the sheet metal, drilling holes, and performing four-side bending. When it is molded into a panel, it is joined through joint members such as rivets in the four corner holes that overlap.

JP-A-6-246520

  However, in the conventional technology, when forming the panel, the positions of the holes formed in the overlapping plates are not aligned, so that the rivet cannot be passed through and bonding may be impossible. In such a case, there is a problem that the panel must be taken out from the panel processing apparatus, the operator must process the hole with a file, and join the rivet manually.

  The present invention has been made in view of the above circumstances, and it is possible to correct the position of a hole formed in an overlapping plate in a drilling process or a bending process, and to avoid the occurrence of manual work in a subsequent process. An object of the present invention is to provide a panel processing control device and a panel processing method.

  In an embodiment for achieving the above object, a hole processing instruction unit for instructing a hole processing apparatus to open a plurality of holes at a predetermined position of a sheet metal to be processed, and a predetermined portion of the holed sheet metal are bent. Photographing the overlapping hole portion showing the portion where the upper hole located on the upper side and the lower hole located on the lower side overlap in the bending processing instruction portion for instructing the bending device to process and the sheet metal portion bent and overlapped. An imaging instruction unit for instructing the imaging device to perform an image data input unit for inputting image data including the overlapping hole portion from the imaging device, and the upper hole in the overlapping hole portion based on the input image data And a calculation unit for calculating a deviation amount between the pilot hole and the prepared hole, and if the calculated deviation amount is equal to or larger than a reference value, the deviation amount is calculated as a correction value of a bending dimension in the bending apparatus or the hole. It is characterized by comprising a determination unit to be stored in the memory, as the correction value for the drilling positions dimension in engineering devices.

  In another embodiment, the hole processing device forms a plurality of holes in a predetermined position of the sheet metal to be processed, and the bending device performs bending at a predetermined position of the holed metal plate. And a photographing step in which the photographing apparatus photographs a overlapping hole portion showing a portion where the upper hole located on the upper side and the lower hole located on the lower side overlap in the bent and overlapped sheet metal part, and An image data input step in which the control device inputs image data including the overlapping hole portion from the imaging device, and the control device, based on the input image data, the upper hole and the lower hole in the overlapping hole portion. When the calculated shift amount is equal to or greater than a reference value, the calculation step for calculating the shift amount and the control device calculates the shift amount as a correction value of a bending dimension in the bending device or the hole processing device. Characterized by comprising a determination step to be stored in the memory, as the correction value of the drilling position dimensions in.

The block diagram which shows the structural example of the panel processing system containing the panel processing control apparatus by embodiment. Explanatory drawing which shows the process sequence of the panel process in embodiment. Explanatory drawing which shows the structural example of the completed panel. The perspective view which looked at the area | region shown by the circle R of FIG. 3 from the arrow A direction. Explanatory drawing which shows the positional relationship of the upper hole for rivets and a lower hole after a bending process. Explanatory drawing which expands and shows the positional relationship of the rivet upper hole and pilot hole shown in FIG. The flowchart which shows the control procedure in embodiment.

  FIG. 1 is a block diagram illustrating a configuration example of a panel processing system including a panel processing control apparatus according to an embodiment.

  As shown in FIG. 1, the panel processing system in the embodiment includes a panel processing control device 2 and a storage warehouse 4 to a camera 16 as panel processing devices. The panel processing apparatus includes a storage warehouse 4 for storing a sheet metal to be processed, a take-out device 6 for taking out the sheet metal to be processed from the storage warehouse 4, a cutting device 8 for cutting the taken-out sheet metal, and a hole at a predetermined position. A hole processing device 10 for bending a hole, a bending device 12 for bending a predetermined portion into a predetermined shape, a bonding device 14 for bonding mounting holes with rivets or the like, and a mounting device provided in the vicinity of the bending device 12 and immediately before rivet bonding. And a camera 16 for photographing the overlapping hole portion where the holes overlap each other.

  The panel processing control device 2 includes a take-out instruction unit 22a, a cutting instruction unit 22b, a hole processing instruction unit 22c, a bending processing instruction unit 22d, a photographing instruction unit 22e, an image data input unit 22f, and a distance calculation unit 22g. A determination unit 22h, a joining instruction unit 22i, and a memory 22k.

  In the sheet metal processing in the present embodiment, as shown in FIG. 2B, a cut portion 32 is formed by cutting four corners of one sheet metal 30 as shown in FIG. Next, as shown in FIG. 3C, a plurality of mounting holes are formed at predetermined positions. In the illustrated example, four rivet upper holes 34 and four rivet pilot holes 36 are opened. Next, the sheet metal 30 is bent at predetermined bending lines 30a, 30b, 30c, and 30d. A panel 40 as shown in FIG. 3 is formed by connecting the bent metal plate 30 to the rivet upper hole 34 and the rivet lower hole 36 through the rivet.

  Next, in the present embodiment, processing executed by each part of the panel processing control apparatus 2 until the panel 40 is formed will be described with reference to each drawing.

  When the panel processing is started, the take-out instruction unit 22a first outputs a command to take out the sheet metal 30 from the storage warehouse 4 to the take-out device 6. The take-out device 6 takes out the sheet metal 30 one by one from the storage warehouse 4.

  Next, the cutting instruction unit 22 b outputs a cutting instruction for cutting the four corners of the sheet metal 30 to the cutting device 8. The cutting device 8 cuts four corners of the sheet metal 30 to form the cutting portions 32.

  When the cutting of the four corners of the sheet metal 30 is completed, the hole processing instruction unit 22c outputs a hole processing instruction to the hole processing apparatus 10 so as to open a predetermined mounting hole at a predetermined position of the sheet metal 30 (step S2 in FIG. 7). ). As shown in FIG. 2C, the hole machining apparatus 10 drills a rivet upper hole 34 and a rivet lower hole 36 in the sheet metal 30.

  When the hole processing is completed (YES in step S4), the bending process instruction unit 22d outputs a bending process instruction to the bending apparatus 12 (step S6). The bending apparatus 12 bends the sheet metal 30 along bending lines 30a, 30b, 30c, and 30d indicated by broken lines in FIG. 2C to form a panel 40 as shown in FIG. FIG. 4 is a perspective view of a region indicated by a circle R in FIG.

  The panel 40 after bending has long sides 40a and 40b facing each other and short sides 40c and 40d facing each other. When the long sides 40a and 40b and the short sides 40c and 40d are bent in the correct positional relationship, and the rivet upper hole 34 and the rivet lower hole 36 are opened at the correct positions, FIG. As shown in FIG. 4, the rivet upper hole 34 and the rivet lower hole 36 are overlapped like a single hole without being shifted from each other.

  When the bending is completed (YES in step S8), the photographing instruction unit 22e instructs the camera 16 to photograph the four corners of the panel 40 (step S10). As a result, the camera 16 photographs the four corners of the panel 40. The photographing area may be an area including at least the rivet upper hole 34 and the rivet lower hole 36, and the number of photographing may be four times for each of the four corners or one time for the four corners at the same time.

  The image data input unit 22f inputs the captured image data and passes it to the distance calculation unit 22g (step S12).

  5A is a side view of a region indicated by a circle R in FIG. 3, and FIG. 5B is a plan view. As shown in FIGS. 3 and 4, the long sides 40a and 40b and the short sides 40c and 40d are bent in the correct positional relationship, and the rivet upper hole 34 and the rivet lower hole 36 are opened in the correct positions. If there is, the upper rivet hole 34 and the lower rivet hole 36 are overlapped like one hole without being displaced. However, when the long sides 40a and 40b and the short sides 40c and 40d are not bent in the correct positional relationship, or when the rivet upper hole 34 and the rivet lower hole 36 are not opened at the correct positions, FIG. As shown in FIG. 5, the rivet upper hole 34 and the rivet lower hole 36 are displaced from each other.

  FIG. 6 shows an enlarged view of the hole portion of FIG. 5 (B) when it is not bent in the correct positional relationship.

As shown in FIG. 6, the distance calculation unit 22g, each intersection coordinates of the first intersection 42a and a second intersection 42b which the outer shape of the outer shape and the lower rivet hole 36 of the rivet for the hole 34 from the input image data intersect (X1, Y1) and (X2, Y2) are obtained. Next, intermediate point coordinates (X3, Y3) of the straight line connecting the obtained first intersection and second intersection are obtained.

  Next, the coordinates (X4, Y4) of the center 34p of the rivet upper hole 34 are obtained based on the image data. Since the rivet pilot hole 36 is hidden and cannot be seen, the center 36p of the pilot hole cannot be obtained from the image data.

Then, a difference between the intermediate point coordinates (X3, Y3) and the center point coordinates (X4, Y4) of the rivet upper hole 34 is obtained, and the difference is doubled to obtain the positional deviation amount of the hole. That is, the positional deviation amount 46 is
X-direction misalignment: (X3−X4) × 2
Y-direction misalignment: (Y3−Y4) × 2
As required.

  The determination unit 22h compares the reference value stored in the memory 22k with the obtained shift amount, and determines whether the shift amount is within the reference range (step S16). When the amount of deviation is within the reference range (step S16 YES), the joining instruction unit 22i instructs the joining device 14 to perform rivet joining (step S18).

  When the amount of deviation is out of the reference range (step S16 NO), the joining device 14 is stopped from rivet joining and a line-out instruction is given (step S20). Next, the shift amount is stored as a correction value in the memory 22k (step S22).

  The panel processing control device 2 calculates the previous drilling dimension by adding a correction value to obtain a new drilling position dimension (step S24). The new drilling position dimensions will be reflected at the next drilling.

  As described above, according to the present embodiment, it is possible to perform the position correction of the mounting holes opened in the overlapping plates in the hole adding process, and the occurrence of a situation in which the hole processing position is manually corrected in the subsequent process. It can be avoided.

  Further, since the amount of deviation can be obtained from the image data by calculation, the amount of deviation can be obtained accurately and easily, and the quality of the panel product is improved.

  In this embodiment, the amount of misalignment is corrected in the hole drilling process, but the amount of misalignment may be corrected in the bending process. In this case, a correction value, which is a deviation amount, is added to the previous bending dimension to obtain a new bending dimension, which is reflected in the next bending process.

  As mentioned above, although some embodiment of this invention was described, these embodiment is shown as an example and is not intending limiting the range of invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

  2 ... Panel processing control device, 4 ... Storage warehouse, 6 ... Extraction device, 8 ... Cutting device, 10 ... Hole processing device, 12 ... Bending device, 14 ... Joining device, 16 ... Camera (photographing device), 22a ... Extraction Instructing unit, 22b ... cutting instructing unit, 22c ... hole processing instructing unit, 22d ... bending processing instructing unit, 22e ... photographing instructing unit, 22f ... image data input unit, 22g ... distance calculating unit, 22h ... determining unit, 22i ... joining Indicating portion, 22j ... correction value calculating portion, 22k ... memory, 30 ... sheet metal, 32 ... cutting portion, 34 ... upper hole for rivet (mounting hole), 34p ... center of upper hole, 36 ... lower hole for rivet (mounting hole) 40 ... Panel, 40a, 40b ... Long side, 40c, 40d ... Short side, 42a ... First intersection point, 42b ... Second intersection point, 44 ... Intermediate point of intersection point

Claims (4)

A hole processing instruction unit that instructs a hole processing device to make a plurality of holes at predetermined positions of a sheet metal to be processed;
A bending processing instruction section for instructing a bending apparatus to bend a predetermined portion of the hole-formed sheet metal;
In the sheet metal part that is bent and overlapped, a shooting instruction unit that instructs the imaging device to take an image of an overlapping hole portion indicating a portion where the upper hole positioned on the upper side and the lower hole positioned on the lower side overlap,
An image data input unit for inputting image data including the overlapping hole portion from the imaging device;
Based on the input image data, a calculation unit that calculates the amount of deviation between the upper hole and the lower hole in the overlapping hole part,
When the calculated deviation amount is equal to or larger than a reference value, the determination unit stores the deviation amount in a memory as a correction value of a bending dimension in the bending apparatus or a correction value of a hole processing position dimension in the drilling apparatus. When,
A panel processing control apparatus comprising: The computing unit is
In the overlapping hole portion, find the coordinates of the first intersection and the second intersection where the outer shape of the upper hole and the outer shape of the pilot hole intersect,
Find the midpoint coordinates of the straight line connecting the obtained first intersection and second intersection,
Find the center point coordinates of the upper hole,
A difference between the intermediate point coordinates and the center point coordinates of the upper hole is obtained, and a value obtained by doubling the obtained difference is set as the deviation amount.
The panel processing control apparatus according to claim 1. A hole drilling process in which a hole drilling device opens a plurality of holes at a predetermined position of a sheet metal to be processed;
A bending process in which a bending apparatus performs a bending process on a predetermined portion of the sheet metal that has been drilled;
In the sheet metal portion where the photographing apparatus is bent and overlapped, a photographing step of photographing an overlapping hole portion indicating a portion where the upper hole located on the upper side and the lower hole located on the lower side overlap, and
An image data input step in which the control device inputs image data including the overlapping hole portion from the imaging device;
The control device calculates an amount of deviation between the upper hole and the lower hole in the overlapping hole part based on the input image data;
When the calculated deviation amount is equal to or larger than a reference value, the control device stores the deviation amount as a correction value of a bending dimension in the bending apparatus or a correction value of a hole processing position dimension in the hole processing apparatus. A determination step to be stored in
The panel processing method characterized by comprising. The calculation step includes
In the overlapping hole portion, find the coordinates of the first intersection and the second intersection where the outer shape of the upper hole and the outer shape of the pilot hole intersect,
Find the midpoint coordinates of the straight line connecting the obtained first intersection and second intersection,
Find the center point coordinates of the upper hole,
A difference between the intermediate point coordinates and the center point coordinates of the upper hole is obtained, and a value obtained by doubling the obtained difference is set as the deviation amount.
The panel processing method according to claim 3.

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