CN108262390B - Method and device for determining cutter position of cutter die row - Google Patents
Method and device for determining cutter position of cutter die row Download PDFInfo
- Publication number
- CN108262390B CN108262390B CN201810072464.1A CN201810072464A CN108262390B CN 108262390 B CN108262390 B CN 108262390B CN 201810072464 A CN201810072464 A CN 201810072464A CN 108262390 B CN108262390 B CN 108262390B
- Authority
- CN
- China
- Prior art keywords
- cutting die
- centroid
- cutter
- graph
- standard
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Images
Classifications
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a method and a device for determining the position of a cutting die row cutter, and relates to the technical field of machining. The method comprises the following steps: setting two positioning points on a cutting die, and presetting a reference triangle on a standard cutting die graph; acquiring a cutter die image, and analyzing to obtain the positions of the two positioning points; comparing the positions of the two positioning points with the reference triangle to obtain the centroid of the cutting die; and determining the cutter arrangement position of the cutting die according to the centroid of the cutting die and the cutter arrangement diagram. According to the invention, the centroid of the cutting die is determined through the positioning points arranged on the cutting die and the preset standard cutting die graph, and then the cutter arrangement is determined according to the centroid of the cutting die.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a method and a device for determining the position of a cutting die row cutter.
Background
The punch is a stamping type press. In national production, the stamping process has the advantages of material and energy conservation, high efficiency, low technical requirement on operators and the like compared with the traditional mechanical processing, so that the stamping process has more and more extensive application. The stamping production mainly aims at plates, blanking, punching, forming, deep drawing, trimming, fine stamping, shaping, riveting, extruding and the like can be carried out through a die, and the stamping production is widely applied to various fields.
The cutting die used by the punch press is manufactured according to an accurate drawing, in order to accurately punch materials according to the row cutting diagram, the cutting die arranged on the punch press is photographed to determine the position of the cutting die, so that the punching effect is closest to the expected effect of the row cutting diagram, and the waste of raw materials is reduced. However, the cutting die has a certain thickness, and the photographed picture is affected by factors such as light and the like to have burrs, reflection or fuzziness, so that the judgment of the knife arranging position of the cutting die is affected.
Disclosure of Invention
The invention aims to provide a method and a device for determining the cutter arranging position of a cutting die, which can accurately identify a cutting die image and determine the cutter arranging position of the cutting die.
In order to achieve the purpose, the invention adopts the following technical scheme:
in one aspect, the present invention provides a method for determining a cutting position of a cutting die, including:
setting two positioning points on a cutting die, and presetting a reference triangle on a standard cutting die graph;
acquiring a cutter die image, and analyzing to obtain the positions of the two positioning points;
comparing the positions of the two positioning points with the reference triangle to obtain the centroid of the cutting die;
and determining the cutter arrangement position of the cutting die according to the centroid of the cutting die and the cutter arrangement diagram.
Wherein, predetermine reference triangle-shaped on standard cutting die figure, include:
setting two reference points on a standard cutter die graph, wherein the positions of the two reference points are the same as the positions of the two positioning points;
calculating to obtain the centroid of the standard knife mold graph;
and the two reference points and the centroid of the standard cutter die graph form a reference triangle.
Wherein, comparing the positions of the two positioning points with the reference triangle to obtain the centroid of the cutting die comprises:
and superposing the two positioning points with the two reference points of the reference triangle, and determining the centroid of the cutting die according to the centroid of the reference triangle.
Wherein, according to the centroid of the cutting die and the cutter-arranging diagram, the cutter-arranging position of the cutting die is determined, which comprises the following steps:
and determining the cutter arrangement position of the cutting die according to the centroid of the cutting die and the centroid of the standard cutting die graph on the cutter arrangement graph.
In another aspect, the present invention provides an apparatus for determining a cutting position of a cutting die row, including:
two positioning points are arranged on the cutting die;
a reference triangle preset on the standard cutting die graph;
the image processing module is used for acquiring a cutter die image and analyzing and acquiring the positions of the two positioning points;
the comparison module is used for comparing the positions of the two positioning points with the reference triangle to obtain the centroid of the cutting die;
and the cutter arranging module is used for determining the cutter arranging position of the cutting die according to the centroid of the cutting die and the cutter arranging diagram.
The reference triangle consists of two reference points arranged on the standard cutting die graph and the centroid of the standard cutting die graph;
the positions set by the two reference points are the same as the positions of the two positioning points.
Wherein the comparison module is specifically configured to:
and superposing the two positioning points with the two reference points of the reference triangle, and determining the centroid of the cutting die according to the centroid of the reference triangle.
Wherein, the gang tool module is specifically used for:
and determining the cutter arrangement position of the cutting die according to the centroid of the cutting die and the centroid of the standard cutting die graph on the cutter arrangement graph.
The invention has the beneficial effects that:
utilize similar triangle-shaped principle, confirm the centroid of cutting die through the setpoint that sets up on the cutting die and the standard cutting die figure of presetting, and then confirm row sword according to the centroid of cutting die, arrange the sword according to the cutting die profile among the prior art of being different from, avoided reflection of light and burr that the cutting die was shot to the influence of cutting die profile identification for it is more accurate to arrange the sword, and it is more accurate to dash the material.
Drawings
FIG. 1 is a flow chart of a method for determining a cutting position of a cutting die arrangement according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a reference triangle preset on a standard cutting die graph according to an embodiment of the invention.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example one
The embodiment provides a method for determining the tool arrangement position of a cutting die, which is used for determining the accurate punching position of the cutting die in the punching process of a punch press.
Fig. 1 is a flowchart of a method for determining a cutting position of a cutting die arrangement according to an embodiment of the present invention. As shown in fig. 1, the method comprises the steps of:
and S11, setting two positioning points on the cutting die, and presetting a reference triangle on the standard cutting die graph.
Wherein, predetermine reference triangle-shaped on standard cutting die figure, include:
fig. 2 is a schematic diagram of a reference triangle preset on a standard cutting die graph according to an embodiment of the invention. As shown in FIG. 2, two reference points A are set on the standard cutting die graph C1And A2Calculating to obtain the centroid Oa (geometric center) of the standard cutter model figure C, and forming a reference triangle △ A by the two reference points and the centroid of the standard cutter model figure C1OaA2。
And manufacturing a cutting die according to the standard cutting die graph, wherein the positions of the two positioning points arranged on the cutting die are the same as the positions of the two reference points.
And S12, acquiring the cutter die image, and analyzing to obtain the positions of the two positioning points.
And mounting the cutting die on a punch press, acquiring a plane image of the cutting die through an industrial camera, and acquiring the positions of the two positioning points from the cutting die image by utilizing an image recognition technology.
And S13, comparing the positions of the two positioning points with the reference triangle to obtain the centroid of the cutting die.
According to the principle of similar triangles, knowing a reference triangle and two positioning points, a third point of the triangle which is completely the same as the reference triangle can be deduced on the cutting die, namely the two positioning points are coincided with the two reference points of the reference triangle, and the centroid of the cutting die is determined according to the centroid of the reference triangle.
And S14, determining the cutter arrangement position of the cutter die according to the centroid of the cutter die and the cutter arrangement diagram.
And determining the cutter arrangement position of the cutting die according to the centroid of the cutting die and the centroid of the standard cutting die graph on the cutter arrangement graph. When punching, the punching position is determined according to the centroid, and the punching position is more accurate compared with the determination according to the profile of the cutting die.
According to the cutter arranging method and device, the centroid of the cutter die is determined through the positioning points arranged on the cutter die and the preset standard cutter die graph according to the similar triangle principle, then the cutter arranging is determined according to the centroid of the cutter die, the cutter arranging is different from the cutter arranging according to the cutter die contour in the prior art, the influence of light reflection and hair edges photographed by the cutter die on the identification of the cutter die contour is avoided, the cutter arranging is more accurate, and the punching is more accurate.
Example two
The present embodiment provides a device for determining a position of a cutting die row, which is used for implementing the method described in the foregoing embodiment, so as to solve the same technical problem and achieve the same technical effect.
The device includes:
two positioning points are arranged on the cutting die, and a reference triangle is preset on a standard cutting die graph; and the image processing module, the comparison module and the cutter arranging module.
The image processing module is used for acquiring a cutter die image and analyzing and acquiring the positions of the two positioning points; preferably, in this embodiment, an image of the cutting die after being loaded on the machine is acquired by a CCD camera.
The comparison module is used for comparing the positions of the two positioning points with the reference triangle to obtain the centroid of the cutting die;
and the cutter arranging module is used for determining the cutter arranging position of the cutting die according to the centroid of the cutting die and the cutter arranging diagram.
The reference triangle consists of two reference points arranged on the standard cutting die graph and the centroid of the standard cutting die graph;
the positions set by the two reference points are the same as the positions of the two positioning points.
The comparison module is specifically configured to: and superposing the two positioning points with the two reference points of the reference triangle, and determining the centroid of the cutting die according to the centroid of the reference triangle.
The gang tool module is specifically used for: and determining the cutter arrangement position of the cutting die according to the centroid of the cutting die and the centroid of the standard cutting die graph on the cutter arrangement graph.
The cutter mold is characterized in that the positioning points arranged on the cutter mold and the preset standard cutter mold graph are used for determining the centroid of the cutter mold by utilizing the similar triangle principle, and then the cutter is determined according to the centroid of the cutter mold.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (4)
1. A method for determining the position of a knife array of a knife die is characterized in that:
setting two positioning points on the cutting die;
presetting a reference triangle on a standard cutting die graph, wherein the reference triangle comprises the following steps:
setting two reference points on a standard cutter die graph, wherein the positions of the two reference points are the same as the positions of the two positioning points; calculating to obtain the centroid of the standard knife mold graph; the two reference points and the centroid of the standard knife mold graph form a reference triangle;
acquiring a cutter die image, and analyzing to obtain the positions of the two positioning points;
comparing the positions of the two positioning points with the reference triangle to obtain the centroid of the cutting die;
wherein comparing the positions of the two fixed points with the reference triangle to obtain the centroid of the cutting die comprises:
the two positioning points are coincided with the two reference points of the reference triangle, and the centroid of the cutting die is determined according to the centroid of the reference triangle;
and determining the cutter arrangement position of the cutting die according to the centroid of the cutting die and the cutter arrangement diagram.
2. The method of claim 1, wherein determining the gang tool position of the cutting die from the centroid of the cutting die and the gang tool map comprises:
and determining the cutter arrangement position of the cutting die according to the centroid of the cutting die and the centroid of the standard cutting die graph on the cutter arrangement graph.
3. The utility model provides a confirm device of cutting die gang tool position, includes the cutting die who makes according to standard cutting die figure, its characterized in that includes:
two positioning points are arranged on the cutting die;
the preset reference triangle on the standard cutting die graph comprises:
the reference triangle consists of two reference points arranged on the standard cutting die graph and the centroid of the standard cutting die graph; the positions set by the two reference points are the same as the positions of the two positioning points;
the image processing module is used for acquiring a cutter die image and analyzing and acquiring the positions of the two positioning points;
the comparison module is used for comparing the positions of the two positioning points with the reference triangle to obtain the centroid of the cutting die;
specifically, the method comprises the following steps: the comparison module is used for enabling the two positioning points to coincide with the two reference points of the reference triangle and determining the centroid of the cutting die according to the centroid of the reference triangle;
and the cutter arranging module is used for determining the cutter arranging position of the cutting die according to the centroid of the cutting die and the cutter arranging diagram so as to realize punching according to the cutter arranging diagram.
4. The apparatus of claim 3, wherein the gang tool module is specifically configured to:
and determining the cutter arrangement position of the cutting die according to the centroid of the cutting die and the centroid of the standard cutting die graph on the cutter arrangement graph.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810072464.1A CN108262390B (en) | 2018-01-25 | 2018-01-25 | Method and device for determining cutter position of cutter die row |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810072464.1A CN108262390B (en) | 2018-01-25 | 2018-01-25 | Method and device for determining cutter position of cutter die row |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108262390A CN108262390A (en) | 2018-07-10 |
| CN108262390B true CN108262390B (en) | 2020-06-16 |
Family
ID=62776677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810072464.1A Active CN108262390B (en) | 2018-01-25 | 2018-01-25 | Method and device for determining cutter position of cutter die row |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108262390B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061939B (en) * | 2018-08-02 | 2021-05-07 | 江苏德亚智能科技股份有限公司 | Common mode method for reflector plates of module lamp panel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63196850A (en) * | 1987-02-10 | 1988-08-15 | Fuji Photo Film Co Ltd | Continuous production apparatus for chemical analysis slide |
| CN1581175A (en) * | 2003-07-30 | 2005-02-16 | 鸿富锦精密工业（深圳）有限公司 | Automatic cutter-arranging device and method |
| KR101184231B1 (en) * | 2011-05-03 | 2012-09-19 | 이오에스(주) | Take advantage of imagines simulation land portion of pcb drill process method |
| CN103203774A (en) * | 2013-04-25 | 2013-07-17 | 浙江申明制鞋机械有限公司 | Method for cutting cut parts on numerical control cutting machine |
| CN106216503A (en) * | 2016-09-29 | 2016-12-14 | 东莞市点亮软件有限公司 | The angle recognition method and apparatus of cutting die on a kind of punch press |
-
2018
- 2018-01-25 CN CN201810072464.1A patent/CN108262390B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63196850A (en) * | 1987-02-10 | 1988-08-15 | Fuji Photo Film Co Ltd | Continuous production apparatus for chemical analysis slide |
| CN1581175A (en) * | 2003-07-30 | 2005-02-16 | 鸿富锦精密工业（深圳）有限公司 | Automatic cutter-arranging device and method |
| KR101184231B1 (en) * | 2011-05-03 | 2012-09-19 | 이오에스(주) | Take advantage of imagines simulation land portion of pcb drill process method |
| CN103203774A (en) * | 2013-04-25 | 2013-07-17 | 浙江申明制鞋机械有限公司 | Method for cutting cut parts on numerical control cutting machine |
| CN106216503A (en) * | 2016-09-29 | 2016-12-14 | 东莞市点亮软件有限公司 | The angle recognition method and apparatus of cutting die on a kind of punch press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108262390A (en) | 2018-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207479366U (en) | A kind of deburring structure and side punching deburring integrated device | |
| CN103949539B (en) | Clutch gland window stamping process | |
| CN104226812B (en) | Cleaner housing stretching doffer | |
| CN108262390B (en) | Method and device for determining cutter position of cutter die row | |
| CN104858300A (en) | Strip-shaped LED filament support continuous punching mould | |
| CN107442650A (en) | A kind of narrow body stamping parts forming technology and set of molds | |
| CN102029311A (en) | Processing technique for compressor shell | |
| CN105098422B (en) | A kind of integral connector end structure and preparation method thereof | |
| CN114346070A (en) | Partition forming method for inner plate of automobile stand column | |
| CN107214238A (en) | A kind of hole flanging cold punching technology | |
| CN102825129B (en) | Processing method of radial rectangular hole in pin and special die thereof | |
| CN205110583U (en) | Stamping die wears to expect positioning mechanism | |
| CN205183504U (en) | Material returned technology stamping die during circular negative angle degree shaping | |
| CN110281310A (en) | A kind of hydrogel facial mask automatic cutting mounted box equipment | |
| CN214814120U (en) | Continuous stamping die of copper is buried in defeated oil pipe iron pipe clamp | |
| CN117260265B (en) | Automobile brake piston production method and system | |
| CN212822078U (en) | Trimming and correcting die for communication equipment shell | |
| CN215237267U (en) | Adjustable tongue turning device for trial-made parts | |
| CN109465333A (en) | A kind of method of the small film washer of punching | |
| CN108631081A (en) | A kind of novel connector terminal and preparation method thereof | |
| CN110814149B (en) | Machine shell thick material blanking process | |
| CN104525714A (en) | End plate machining and manufacturing method | |
| CN208067099U (en) | A kind of composite die of trimming correction | |
| CN105057898A (en) | Method for machining step type holes in plastic uptake product | |
| CN211191769U (en) | Dovetail clamp burr-free forming processing die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |