CN112525138A - Detection method for adhesion burrs on surface of stamping workpiece - Google Patents
Detection method for adhesion burrs on surface of stamping workpiece Download PDFInfo
- Publication number
- CN112525138A CN112525138A CN202011412999.2A CN202011412999A CN112525138A CN 112525138 A CN112525138 A CN 112525138A CN 202011412999 A CN202011412999 A CN 202011412999A CN 112525138 A CN112525138 A CN 112525138A
- Authority
- CN
- China
- Prior art keywords
- film
- workpiece
- breakable
- burrs
- air
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 64
- 239000000853 adhesive Substances 0.000 claims abstract description 50
- 230000001070 adhesive effect Effects 0.000 claims abstract description 50
- 238000005507 spraying Methods 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims abstract description 9
- 238000009833 condensation Methods 0.000 claims abstract description 7
- 230000005494 condensation Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 34
- 239000012790 adhesive layer Substances 0.000 claims description 33
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 238000009501 film coating Methods 0.000 claims description 3
- 239000007888 film coating Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000011049 filling Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention discloses a detection method of sticking burr on the surface of a stamping workpiece, belonging to the field of punching workpiece burr detection, wherein a breakable film is covered on the surface of the workpiece, the gas between the breakable film and the workpiece is exhausted, the breakable film is stretched and deformed to be tightly attached on the surface of the workpiece under the action of vacuum pressure, so that the sticking burr on the surface of the workpiece pierces the breakable film, then the position of the burr on the surface of the workpiece is detected by selectively adopting a spray condensation or powder spraying film covering mode, when the spray condensation mode is adopted, a colored adhesive is sprayed on the surface of the breakable film, the film is torn after the colored adhesive is solidified, the part where the breakable film is stuck with the workpiece is the position with the burr on the workpiece, when the powder spraying film covering mode is adopted, colored adhesive powder is sprayed on the surface of the breakable film, a transparent film is covered on the outer side of the breakable film, and the gas is filled between the breakable, the region where the powder is blown up and adhered to the transparent film is a burr-bearing position of the workpiece.
Description
Technical Field
The invention relates to the field of punching workpiece burr detection, in particular to a method for detecting adhesion burrs on the surface of a punching workpiece.
Background
The stamping is a forming processing method for applying external force to plates, strips, pipes, profiles and the like by a press and a die to cause plastic deformation or separation, thereby obtaining workpieces (stamped parts) with required shapes and sizes, the stamping processing technology is one of few and non-cutting processing methods, and the stamping processing technology has the advantages of high processing efficiency, low production cost, being beneficial to large-scale processing and the like, and is widely applied to the processing production of parts such as sheet metal parts, fasteners and the like, 60 to 70 percent of steel products in the world are plates, and most of the steel products are made into finished products by stamping.
In the stamping process, treat that the machined part takes place plastic deformation under the extrusion of last mould and bed die, this in-process treats that the machined part can fill the clearance between mould and the bed die completely, treat that the machined part is in the same place with the complete laminating of mould, often can lead to when mould and bed die separation like this, take place the phenomenon of adhesion between work piece and the mould, when forcing work piece and mould separation, can lead to the condition such as work piece surface emergence burr, unevenness, this kind of adhesion vestige area is little and not obvious, the staff is difficult to confirm its concrete position on the work piece.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a detection method for the adhesion burrs on the surface of a stamped workpiece, which adopts an easily-damaged film to cover the surface of the workpiece, exhausts the gas between the easily-damaged film and the workpiece, the easily-damaged film is stretched and deformed to be tightly attached to the surface of the workpiece under the action of vacuum pressure, so that the adhesion burrs on the surface of the workpiece pierce the easily-damaged film, then the position of the burrs on the surface of the workpiece is detected by selectively adopting a liquid spraying coagulation or powder spraying film covering mode, when the liquid spraying coagulation mode is adopted, a colored adhesive is sprayed on the surface of the easily-damaged film, after the colored adhesive is solidified, the film is torn, the part where the easily-damaged film is adhered to the workpiece is provided with the burrs, when the powder spraying film covering mode is adopted, colored adhesive powder is sprayed on the surface of the easily-damaged film, a transparent film is covered on the outer side of, the region where the powder is blown up and adhered to the transparent film is a burr-bearing position of the workpiece.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A detection method for adhesion burrs on the surface of a stamped workpiece comprises the following steps:
s1, film pasting: cleaning and drying the surface of the punched workpiece, and adhering an easily-damaged film to the periphery of the to-be-detected area on the surface of the workpiece to cover the whole to-be-detected area;
s2, air-extracting and membrane-breaking: connecting the breakable film with an air pump, starting the air pump to pump gas between the breakable film and the workpiece, and gradually and tightly attaching the breakable film to the surface of the region to be detected of the workpiece under the action of vacuum air pressure so that the adhesive burrs pierce the breakable film to form micropores, and continuously keeping a vacuum state between the breakable film and the workpiece;
s3, spray liquid condensation: uniformly spraying sufficient colored adhesive on the outer surface of the easily damaged film to enable the colored adhesive to completely cover the surface of the easily damaged film, and standing and solidifying;
s4, tearing the film: and slowly taking the easily-damaged film down from the workpiece, wherein the part where the easily-damaged film is adhered to the workpiece is the position with the burrs on the surface of the workpiece.
The invention adopts the breakable film to cover the surface of the workpiece, exhausts the gas between the breakable film and the workpiece, the breakable film is stretched and deformed and is tightly attached to the surface of the workpiece under the action of vacuum pressure, so that the adhesive burr on the surface of the workpiece pierces the breakable film, then the colored adhesive is sprayed on the surface of the breakable film by adopting a spray condensation mode, the breakable film and the burr on the surface of the workpiece can be adhered together by the colored adhesive at the position where the burr pierces the breakable film, therefore, the film is torn after the colored adhesive is solidified, and the position where the breakable film is adhered to the workpiece is the position with the burr.
A detection method for adhesion burrs on the surface of a stamped workpiece comprises the following steps:
a1, film pasting: cleaning and drying the surface of the punched workpiece, and adhering an easily-damaged film to the periphery of the to-be-detected area on the surface of the workpiece to cover the whole to-be-detected area;
a2, air-extracting and membrane-breaking: connecting the breakable film with an air pump, starting the air pump to pump gas between the breakable film and the workpiece, and gradually and tightly attaching the breakable film to the surface of the region to be detected of the workpiece under the action of vacuum air pressure so that the adhesive burrs pierce the breakable film to form micropores, and continuously keeping a vacuum state between the breakable film and the workpiece;
a3, powder spraying and film coating: uniformly spraying a layer of colored sticky powder on the outer surface of the easily damaged film, and then covering a layer of transparent film on the outer side of the easily damaged film, wherein the transparent film and the easily damaged film are not mutually attached;
a4, inflation and powder blowing: gas is filled between the breakable film and the workpiece through the air pump, the breakable film is gradually separated from the workpiece, and when colored sticky powder in a certain area is blown up by the gas and adhered to the transparent film, the area is the position of the burr on the surface of the workpiece.
The invention adopts the breakable film to cover the surface of the workpiece and exhaust the gas between the breakable film and the workpiece, under the action of vacuum pressure, the breakable film is stretched, deformed and tightly attached to the surface of the workpiece, so that the adhesive burrs on the surface of the workpiece pierce the breakable film, and then adopts the mode of powder spraying and film covering, the colored sticky powder is sprayed on the surface of the breakable film and covered with the transparent film at the outer side, so that the colored sticky powder can be stably adsorbed on the surface of the breakable film and cannot fly randomly, at the moment, gas is filled between the breakable film and the workpiece, the breakable film and the workpiece are gradually separated, at the position where the burr pierces the breakable film, the breakable film has micropores, the filled gas can overflow through the micropores to blow up the powder on the breakable film, and the powder is adhered to the transparent film, so that the burr position of the workpiece can be detected by observing the adsorption condition of the powder on the transparent film.
Furthermore, the mode of filling gas by the air pump in the step a4 is low speed and high speed, the low speed is firstly adopted to fill gas between the fragile film and the workpiece, so that the fragile film is separated from the surface of the workpiece at a slow speed, the colored sticky powder adhered to the surface of the fragile film is not easy to fly in the process of swelling the fragile film, and the accuracy of the detection result is ensured.
Further, the colour of coloured viscidity powder is inequality with the colour of transparent film, is blown the adhesion on transparent film as coloured viscidity powder, and through the colour difference of the two, can conveniently look over the adhesion condition of coloured viscidity powder on transparent film fast to can detect out work piece surface area burr region fast accurately.
Further, in step a3, before covering the transparent film, a glue coating operation may be performed, which includes the following specific steps: transparent adhesive is evenly coated on one surface of the transparent film, then the surface with the transparent adhesive is close to the easily damaged film and covers the outside of the easily damaged film, and the transparent adhesive is coated on one end of the transparent film close to the easily damaged film, so that colored sticky powder can be more conveniently adhered to the transparent film, the adhesion amount of the colored sticky powder on the transparent film is improved, and people can conveniently observe the colored sticky powder.
Further, the easily damaged film includes the film body, one side of the film body is equipped with the frame type cushion, the frame type cushion is located the border position who is close to the film body, it has first adhesive layer to bond between the film body and the frame type cushion, the one end that the film body was kept away from to the frame type cushion bonds and has the second adhesive layer, the one end that the frame type cushion was kept away from to the second adhesive layer bonds and has the second from type paper.
Further, an air collecting cavity is arranged inside the frame-shaped cushion, the inner ring wall of the air collecting cavity is provided with a plurality of air flow holes which are uniformly distributed, the outer side end of the frame-shaped soft cushion is fixedly connected with an air pipe, one end of the air pipe penetrates through the interior of the frame-shaped soft cushion and is communicated with the interior of the air collecting cavity, when in use, the second release paper is torn off, the film body and the frame-shaped cushion are adhered to the surface of the region to be detected of the workpiece through the second adhesive layer, then the air pipe is connected with the air outlet end of the air pump, the air pump is started, the air between the film body and the workpiece enters the air pipe through the air flow hole and the air collecting cavity in sequence, the film body and the workpiece are gradually in a vacuum state, the film body is gradually stretched and deformed under the action of air pressure until the film body is completely attached to the surface of the workpiece, under the condition that the film body is stretched and deformed, burrs on the surface of the workpiece can easily puncture the film body, so that the air-extracting and film-breaking process is realized.
Further, the one end that the frame type cushion was kept away from to the film body is equipped with first from type paper, the film body and first from bonding between the type paper have the third adhesive layer, when carrying out step A3, the coloured viscidity powder sprays the back of accomplishing, with first from type paper privately, can make transparent film convenient and film body border position bond through the third adhesive layer that is the annular region to cover in the outside of the film body.
Furthermore, the film body is made of an airtight film material with low elongation and poor tear resistance, and burrs on the surface of the workpiece can easily puncture the stretched and deformed film body to form micropores in the process of attaching the film body to the workpiece.
Furthermore, the second adhesive layer adopts a high-viscosity adhesive, so that the frame-shaped cushion and the surface of the workpiece are tightly and firmly bonded, and the frame-shaped cushion and the surface of the workpiece are not easy to loosen in the process of forming vacuum by pumping air, thereby causing the air leakage condition.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme adopts the easy-to-damage film to cover the surface of a workpiece, gas between the easy-to-damage film and the workpiece is exhausted, the easy-to-damage film is stretched and deformed and is tightly attached to the surface of the workpiece under the action of vacuum air pressure, so that adhesion burrs on the surface of the workpiece pierce the easy-to-damage film, then, a liquid spraying and condensing mode is adopted, a colored adhesive is sprayed on the surface of the easy-to-damage film, the easy-to-damage film and the burrs on the surface of the workpiece can be bonded together through the colored adhesive at the position where the burrs pierce the easy-to-damage film, therefore, the film is torn after the colored adhesive is solidified, and the position where the easy-to-.
(2) The scheme adopts the breakable film to cover the surface of the workpiece and exhaust the gas between the breakable film and the workpiece, under the action of vacuum air pressure, the breakable film is stretched, deformed and tightly attached to the surface of the workpiece, so that the adhesive burrs on the surface of the workpiece pierce the breakable film, and then a powder spraying and film covering mode is adopted, the colored sticky powder is sprayed on the surface of the breakable film and covered with the transparent film at the outer side, so that the colored sticky powder can be stably adsorbed on the surface of the breakable film and cannot fly randomly, at the moment, gas is filled between the breakable film and the workpiece, the breakable film and the workpiece are gradually separated, at the position where the burr pierces the breakable film, the breakable film has micropores, the filled gas can overflow through the micropores to blow up the powder on the breakable film, and the powder is adhered to the transparent film, so that the burr position of the workpiece can be detected by observing the adsorption condition of the powder on the transparent film.
(3) The method of filling gas by the air pump in the step A4 is low speed firstly and high speed secondly, the low speed is firstly adopted to fill gas between the fragile film and the workpiece, so that the fragile film is separated from the surface of the workpiece at a slow speed, the colored sticky powder adhered to the surface of the fragile film is not easy to fly in the process of swelling the fragile film, and the accuracy of the detection result is ensured.
(4) The colour of coloured viscidity powder is inequality with the colour of transparent film, is blown the adhesion on transparent film as coloured viscidity powder, and the adhesion condition of coloured viscidity powder on transparent film can conveniently be looked over fast through the colour difference of the two to can detect out workpiece surface area burr region fast accurately.
(5) In step a3, a glue application operation may be performed before the transparent film is covered, and the specific steps are as follows: transparent adhesive is evenly coated on one surface of the transparent film, then the surface with the transparent adhesive is close to the easily damaged film and covers the outside of the easily damaged film, and the transparent adhesive is coated on one end of the transparent film close to the easily damaged film, so that colored sticky powder can be more conveniently adhered to the transparent film, the adhesion amount of the colored sticky powder on the transparent film is improved, and people can conveniently observe the colored sticky powder.
(6) The easily damaged film comprises a film body, a frame-shaped cushion is arranged on one side of the film body, the frame-shaped cushion is located at the edge position close to the film body, a first adhesive layer is bonded between the film body and the frame-shaped cushion, a second adhesive layer is bonded at one end, far away from the film body, of the frame-shaped cushion, second release paper is bonded at one end, far away from the frame-shaped cushion, of the second adhesive layer, a gas gathering cavity is formed inside the frame-shaped cushion, a plurality of uniformly distributed air flow holes are formed in the inner ring wall of the gas gathering cavity, an air pipe is fixedly connected to the outer side end of the frame-shaped cushion, one end of the air pipe penetrates through the inside of the frame-shaped cushion and is communicated with the inside of the gas gathering cavity, when the easily damaged film is used, the second release paper is torn off, the film body and the frame-shaped cushion are bonded to the surface of a region to be detected by the second adhesive layer, the air pipe is connected with the air outlet, the film body and the workpiece are gradually in a vacuum state, the film body is gradually stretched and deformed under the action of air pressure until the film body is completely attached to the surface of the workpiece, and burrs on the surface of the workpiece can easily puncture the film body under the condition of stretching and deformation of the film body, so that the air suction and film breaking process is realized.
(7) The one end that the frame type cushion was kept away from to the film body is equipped with first from type paper, and the film body and first from type to bond between the paper has the third adhesive layer, and when carrying out step A3, the coloured viscidity powder sprays the back of accomplishing, will be first from type paper privately, can make transparent film convenient and film body border position bond through the third adhesive layer that is the annular region to cover in the outside of the film body.
(8) The film body is made of an airtight film material with low elongation and poor tear resistance, and burrs on the surface of the workpiece can easily puncture the stretched and deformed film body to form micropores in the process of attaching the film body and the workpiece.
(9) The second adhesive layer adopts a high-viscosity adhesive, so that the frame-shaped cushion and the surface of the workpiece are tightly and firmly bonded, and the frame-shaped cushion and the surface of the workpiece are not easy to loosen in the process of pumping air to form vacuum, thereby causing the air leakage condition.
Drawings
FIG. 1 is a schematic flow chart diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic flow chart diagram according to a second embodiment of the present invention;
FIG. 3 is a schematic structural view of the breakable film of the present invention in use;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic structural diagram of the membrane rupture process by air suction according to the present invention;
FIG. 6 is a schematic structural diagram of a second embodiment of the present invention when covered with a transparent film;
fig. 7 is a schematic structural diagram of the second embodiment of the invention during air inflation and powder blowing.
The reference numbers in the figures illustrate:
the film comprises a film body 1, a frame-shaped cushion 2, a gas gathering chamber 201, an airflow hole 202, a gas pipe 3, a first adhesive layer 41, a second adhesive layer 42, a third adhesive layer 43 and a first release paper 5.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1, a method for detecting adhesive burrs on a surface of a stamped workpiece includes the following steps:
s1, film pasting: cleaning and drying the surface of the punched workpiece, and adhering an easily-damaged film to the periphery of the to-be-detected area on the surface of the workpiece to cover the whole to-be-detected area;
s2, air-extracting and membrane-breaking: connecting the breakable film with an air pump, starting the air pump to pump gas between the breakable film and the workpiece, and gradually and tightly attaching the breakable film to the surface of the region to be detected of the workpiece under the action of vacuum air pressure so that the adhesive burrs pierce the breakable film to form micropores, and continuously keeping a vacuum state between the breakable film and the workpiece;
s3, spray liquid condensation: uniformly spraying sufficient colored adhesive on the outer surface of the easily damaged film to enable the colored adhesive to completely cover the surface of the easily damaged film, and standing and solidifying;
s4, tearing the film: and slowly taking the easily-damaged film down from the workpiece, wherein the part where the easily-damaged film is adhered to the workpiece is the position with the burrs on the surface of the workpiece.
Referring to fig. 3 and 4, the breakable film includes a film body 1, a frame-shaped cushion 2 is disposed on one side of the film body 1, the frame-shaped cushion 2 is located at a position close to an edge of the film body 1, a first adhesive layer 41 is bonded between the film body 1 and the frame-shaped cushion 2, a second adhesive layer 42 is bonded on one end of the frame-shaped cushion 2 away from the film body 1, a second release paper is bonded on one end of the second adhesive layer 42 away from the frame-shaped cushion 2, an air gathering chamber 201 is disposed inside the frame-shaped cushion 2, a plurality of air flow holes 202 are uniformly distributed on an inner circumferential wall of the air gathering chamber 201, air can be uniformly pumped or inflated all-directionally between the film body 1 and a workpiece through cooperation of the air gathering chamber 201 and the air flow holes 202, an air pipe 3 is fixedly connected to an outer side end of the frame-shaped cushion 2, one end of the air pipe 3 penetrates through the inside of the frame-shaped cushion 2 and communicates with the air gathering chamber, when the film body 1 is used, the second release paper is torn off, the film body 1 and the frame-shaped cushion 2 are adhered to the surface of a region to be detected of a workpiece through the second adhesive layer 42, the air pipe 3 is connected with the air outlet end of the air suction pump, the air suction pump is started, air between the film body 1 and the workpiece enters the air pipe 3 through the air flow hole 202 and the air collecting cavity 201 in sequence, a vacuum state is gradually formed between the film body 1 and the workpiece, the film body 1 is gradually stretched and deformed until the film body is completely adhered to the surface of the workpiece under the action of air pressure, the film body 1 can be easily punctured by burrs on the surface of the workpiece under the condition that the film body 1 is stretched and deformed, so that the air suction and film breaking processes are realized, in the attached drawing 3, M represents convex burrs on the surface of the workpiece, N represents burrs on the concave part of the surface of the workpiece, and through the air suction and adsorption processes, the convex burrs and, detection omission is not easy to occur.
The film body 1 is made of an airtight film material with low elongation and poor tear resistance, such as a PE film, in the process of attaching the film body 1 to a workpiece, burrs on the surface of the workpiece can easily puncture the stretched and deformed film body 1 to form micropores, the second adhesive layer 42 is made of a high-viscosity adhesive, so that the frame-shaped cushion 2 and the surface of the workpiece are tightly and firmly bonded, and in the process of forming vacuum by pumping, the frame-shaped cushion 2 and the surface of the workpiece are not easy to loosen, so that the air leakage condition is caused.
The invention adopts the breakable film to cover the surface of the workpiece, exhausts the gas between the breakable film and the workpiece, the breakable film is stretched and deformed and is tightly attached to the surface of the workpiece under the action of vacuum pressure, so that the adhesive burr on the surface of the workpiece pierces the breakable film, then the colored adhesive is sprayed on the surface of the breakable film by adopting a spray condensation mode, the breakable film and the burr on the surface of the workpiece can be adhered together by the colored adhesive at the position where the burr pierces the breakable film, therefore, the film is torn after the colored adhesive is solidified, and the position where the breakable film is adhered to the workpiece is the position with the burr.
Example two:
referring to fig. 2, a method for detecting adhesive burrs on a surface of a stamped workpiece includes the following steps:
a1, film pasting: cleaning and drying the surface of the punched workpiece, and adhering an easily-damaged film to the periphery of the to-be-detected area on the surface of the workpiece to cover the whole to-be-detected area;
a2, air-extracting and membrane-breaking: connecting the breakable film with an air pump, starting the air pump to pump gas between the breakable film and the workpiece, and gradually and tightly attaching the breakable film to the surface of the region to be detected of the workpiece under the action of vacuum air pressure so that the adhesive burrs pierce the breakable film to form micropores, and continuously keeping a vacuum state between the breakable film and the workpiece;
a3, powder spraying and film coating: uniformly spraying a layer of colored sticky powder on the outer surface of the easily damaged film, and then covering a layer of transparent film on the outer side of the easily damaged film, wherein the transparent film and the easily damaged film are not mutually attached;
a4, inflation and powder blowing: gas is filled between the breakable film and the workpiece through the air pump, the breakable film is gradually separated from the workpiece, and when colored sticky powder in a certain area is blown up by the gas and adhered to the transparent film, the area is the position of the burr on the surface of the workpiece.
The method of filling gas by the air pump in the step A4 is low speed firstly and high speed secondly, the low speed is firstly adopted to fill gas between the fragile film and the workpiece, so that the fragile film is separated from the surface of the workpiece at a slow speed, the colored sticky powder adhered to the surface of the fragile film is not easy to fly in the process of swelling the fragile film, and the accuracy of the detection result is ensured.
The colour of coloured viscidity powder is inequality with the colour of transparent film, is blown the adhesion on transparent film as coloured viscidity powder, and the adhesion condition of coloured viscidity powder on transparent film can conveniently be looked over fast through the colour difference of the two to can detect out workpiece surface area burr region fast accurately.
In step a3, a glue application operation may be performed before the transparent film is covered, and the specific steps are as follows: transparent adhesive is evenly coated on one surface of the transparent film, then the surface with the transparent adhesive is close to the easily damaged film and covers the outside of the easily damaged film, and the transparent adhesive is coated on one end of the transparent film close to the easily damaged film, so that colored sticky powder can be more conveniently adhered to the transparent film, the adhesion amount of the colored sticky powder on the transparent film is improved, and people can conveniently observe the colored sticky powder.
Referring to fig. 3 and 4, the breakable film includes a film body 1, a frame-shaped cushion 2 is disposed on one side of the film body 1, the frame-shaped cushion 2 is located at a position close to an edge of the film body 1, a first adhesive layer 41 is bonded between the film body 1 and the frame-shaped cushion 2, a second adhesive layer 42 is bonded on one end of the frame-shaped cushion 2 away from the film body 1, a second release paper is bonded on one end of the second adhesive layer 42 away from the frame-shaped cushion 2, an air gathering chamber 201 is disposed inside the frame-shaped cushion 2, a plurality of air flow holes 202 are uniformly distributed on an inner circumferential wall of the air gathering chamber 201, an air pipe 3 is fixedly connected to an outer end of the frame-shaped cushion 2, one end of the air pipe 3 penetrates through the inside of the frame-shaped cushion 2 and is communicated with the inside of the air gathering chamber 201, referring to fig. 4 and 5, when in use, the second release paper is torn off, the film body 1 and the frame-shaped cushion 2 are bonded to a surface, then, the air pipe 3 is connected with an air outlet end of the air pump, the air pump is started, air between the film body 1 and the workpiece sequentially enters the air pipe 3 through the airflow hole 202 and the air collecting cavity 201, a vacuum state is gradually formed between the film body 1 and the workpiece, the film body 1 is gradually stretched and deformed under the action of air pressure until the film body is completely attached to the surface of the workpiece, and the film body 1 can be easily pierced by burrs on the surface of the workpiece under the condition that the film body 1 is stretched and deformed, so that the air-extracting and film-breaking process is realized.
Referring to fig. 6, a first release paper 5 is disposed at an end of the film body 1 away from the frame-shaped cushion 2, a third adhesive layer 43 is bonded between the film body 1 and the first release paper 5, after the colored sticky powder is sprayed in step a3, the first release paper 5 is kept down, the transparent film can be conveniently bonded with an edge of the film body 1 through the third adhesive layer 43 in an annular region and covers the outer side of the film body 1, the film body 1 is made of an air-impermeable film material with low elongation and poor tear resistance, such as a PE film, in the process of bonding the film body 1 to a workpiece, burrs on the surface of the workpiece can easily pierce the stretched and deformed film body 1 to form micropores, the second adhesive layer 42 is made of a high-viscosity adhesive, so that the frame-shaped cushion 2 is tightly bonded with the surface of the workpiece, and the frame-shaped cushion 2 is not easily loosened from the surface of the workpiece during the vacuum process of air suction, resulting in a blow-by condition.
The invention adopts the breakable film to cover the surface of the workpiece and exhaust the gas between the breakable film and the workpiece, under the action of vacuum pressure, the breakable film is stretched, deformed and tightly attached to the surface of the workpiece, so that the adhesive burrs on the surface of the workpiece pierce the breakable film, and then adopts the mode of powder spraying and film covering, the colored sticky powder is sprayed on the surface of the breakable film and covered with the transparent film at the outer side, so that the colored sticky powder can be stably adsorbed on the surface of the breakable film and cannot fly randomly, at the moment, gas is filled between the breakable film and the workpiece, the breakable film and the workpiece are gradually separated, at the position where the burr pierces the breakable film, the breakable film has micropores, the filled gas can overflow through the micropores to blow up the powder on the breakable film, and the powder is adhered to the transparent film, so that the burr position of the workpiece can be detected by observing the adsorption condition of the powder on the transparent film.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. A detection method for adhesion burrs on the surface of a stamped workpiece is characterized by comprising the following steps: the method comprises the following steps:
s1, film pasting: cleaning and drying the surface of the punched workpiece, and adhering an easily-damaged film to the periphery of the to-be-detected area on the surface of the workpiece to cover the whole to-be-detected area;
s2, air-extracting and membrane-breaking: connecting the breakable film with an air pump, starting the air pump to pump gas between the breakable film and the workpiece, and gradually and tightly attaching the breakable film to the surface of the region to be detected of the workpiece under the action of vacuum air pressure so that the adhesive burrs pierce the breakable film to form micropores, and continuously keeping a vacuum state between the breakable film and the workpiece;
s3, spray liquid condensation: uniformly spraying sufficient colored adhesive on the outer surface of the easily damaged film to enable the colored adhesive to completely cover the surface of the easily damaged film, and standing and solidifying;
s4, tearing the film: and slowly taking the easily-damaged film down from the workpiece, wherein the part where the easily-damaged film is adhered to the workpiece is the position with the burrs on the surface of the workpiece.
2. A detection method for adhesion burrs on the surface of a stamped workpiece is characterized by comprising the following steps: the method comprises the following steps:
a1, film pasting: cleaning and drying the surface of the punched workpiece, and adhering an easily-damaged film to the periphery of the to-be-detected area on the surface of the workpiece to cover the whole to-be-detected area;
a2, air-extracting and membrane-breaking: connecting the breakable film with an air pump, starting the air pump to pump gas between the breakable film and the workpiece, and gradually and tightly attaching the breakable film to the surface of the region to be detected of the workpiece under the action of vacuum air pressure so that the adhesive burrs pierce the breakable film to form micropores, and continuously keeping a vacuum state between the breakable film and the workpiece;
a3, powder spraying and film coating: uniformly spraying a layer of colored sticky powder on the outer surface of the easily damaged film, and then covering a layer of transparent film on the outer side of the easily damaged film, wherein the transparent film and the easily damaged film are not mutually attached;
a4, inflation and powder blowing: gas is filled between the breakable film and the workpiece through the air pump, the breakable film is gradually separated from the workpiece, and when colored sticky powder in a certain area is blown up by the gas and adhered to the transparent film, the area is the position of the burr on the surface of the workpiece.
3. The method for detecting the sticking burrs on the surface of the stamped workpiece according to claim 2, wherein: the pumping of the gas in step a4 is performed by a low rate followed by a high rate.
4. The method for detecting the sticking burrs on the surface of the stamped workpiece according to claim 2, wherein: the color of the colored sticky powder is different from the color of the transparent film.
5. The method for detecting the sticking burrs on the surface of the stamped workpiece according to claim 2, wherein: in step a3, a glue application operation may be performed before covering the transparent film, and the specific steps are as follows: and uniformly coating a transparent adhesive on one surface of the transparent film, and then enabling the surface with the transparent adhesive to be close to the easily damaged film to cover the outer side of the easily damaged film.
6. The method for detecting the sticking burrs on the surface of the stamped workpiece according to any one of claims 1 to 2, wherein: the easily damaged film includes the film body (1), one side of the film body (1) is equipped with frame type cushion (2), frame type cushion (2) are located the border position who is close to the film body (1), it has first adhesive layer (41) to bond between the film body (1) and frame type cushion (2), the one end that the film body (1) was kept away from in frame type cushion (2) bonds and has second adhesive layer (42), the one end that frame type cushion (2) were kept away from in second adhesive layer (42) bonds and has the second from type paper.
7. The method for detecting the sticking burrs on the surface of the stamped workpiece according to claim 6, wherein: an air gathering cavity (201) is formed in the frame-shaped cushion (2), a plurality of air flow holes (202) which are uniformly distributed are formed in the inner ring wall of the air gathering cavity (201), an air pipe (3) is fixedly connected to the outer side end of the frame-shaped cushion (2), and one end of the air pipe (3) penetrates through the frame-shaped cushion (2) and is communicated with the interior of the air gathering cavity (201).
8. The method for detecting the sticking burrs on the surface of the stamped workpiece according to claim 6, wherein: the one end that frame type cushion (2) were kept away from in the film body (1) is equipped with firstly from type paper (5), the film body (1) and first from type and bond between paper (5) and have third adhesive layer (43).
9. The method for detecting the sticking burrs on the surface of the stamped workpiece according to claim 6, wherein: the film body (1) is made of an airtight film material with low elongation and poor tear resistance.
10. The method for detecting the sticking burrs on the surface of the stamped workpiece according to claim 6, wherein: the second adhesive layer (42) adopts a high-viscosity adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011412999.2A CN112525138B (en) | 2020-12-07 | 2020-12-07 | Detection method for adhesion burrs on surface of stamping workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011412999.2A CN112525138B (en) | 2020-12-07 | 2020-12-07 | Detection method for adhesion burrs on surface of stamping workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112525138A true CN112525138A (en) | 2021-03-19 |
| CN112525138B CN112525138B (en) | 2022-03-18 |
Family
ID=74997816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011412999.2A Active CN112525138B (en) | 2020-12-07 | 2020-12-07 | Detection method for adhesion burrs on surface of stamping workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112525138B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117146764A (en) * | 2023-10-27 | 2023-12-01 | 江苏优创红外科技有限公司 | Optical lens piece surface flatness detection equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3721488A1 (en) * | 1987-06-30 | 1989-01-12 | Ruth Domma Maschinenvertrieb | Method and apparatus for the reliable detection of burrs on parts in the continuous operation |
| CN1405635A (en) * | 2001-09-19 | 2003-03-26 | 株式会社理光 | Method for detecting surface crowning of component, detecting apparatus and component producing system |
| CN2728711Y (en) * | 2004-08-09 | 2005-09-28 | 钟春生 | Dynamic burr eliminating device for detecting metal plate belt cutting burr |
| CN102175126A (en) * | 2010-12-31 | 2011-09-07 | 深圳市豪鹏科技有限公司 | Device and method for detecting pole piece burr |
| CN103575211A (en) * | 2012-07-19 | 2014-02-12 | 浙江师范大学 | Differential measurement device for superficial burrs |
| CN108982509A (en) * | 2018-05-29 | 2018-12-11 | 东莞盛翔精密金属有限公司 | A kind of rotary 360 degree of product burr detection devices |
| CN109357598A (en) * | 2018-10-22 | 2019-02-19 | 江西北斗变电科技有限公司 | A kind of novel portable silicon steel sheet burr SHAPE DETECTION identification device and method |
| CN110057836A (en) * | 2019-05-15 | 2019-07-26 | 浙江汉振智能技术有限公司 | A kind of cylinder type hollow pipe visual detection equipment and its detection method |
| CN110132203A (en) * | 2019-06-12 | 2019-08-16 | 惠州亿纬锂能股份有限公司 | Metal tape burr measurement method |
-
2020
- 2020-12-07 CN CN202011412999.2A patent/CN112525138B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3721488A1 (en) * | 1987-06-30 | 1989-01-12 | Ruth Domma Maschinenvertrieb | Method and apparatus for the reliable detection of burrs on parts in the continuous operation |
| CN1405635A (en) * | 2001-09-19 | 2003-03-26 | 株式会社理光 | Method for detecting surface crowning of component, detecting apparatus and component producing system |
| CN2728711Y (en) * | 2004-08-09 | 2005-09-28 | 钟春生 | Dynamic burr eliminating device for detecting metal plate belt cutting burr |
| CN102175126A (en) * | 2010-12-31 | 2011-09-07 | 深圳市豪鹏科技有限公司 | Device and method for detecting pole piece burr |
| CN103575211A (en) * | 2012-07-19 | 2014-02-12 | 浙江师范大学 | Differential measurement device for superficial burrs |
| CN108982509A (en) * | 2018-05-29 | 2018-12-11 | 东莞盛翔精密金属有限公司 | A kind of rotary 360 degree of product burr detection devices |
| CN109357598A (en) * | 2018-10-22 | 2019-02-19 | 江西北斗变电科技有限公司 | A kind of novel portable silicon steel sheet burr SHAPE DETECTION identification device and method |
| CN110057836A (en) * | 2019-05-15 | 2019-07-26 | 浙江汉振智能技术有限公司 | A kind of cylinder type hollow pipe visual detection equipment and its detection method |
| CN110132203A (en) * | 2019-06-12 | 2019-08-16 | 惠州亿纬锂能股份有限公司 | Metal tape burr measurement method |
Non-Patent Citations (1)
| Title |
|---|
| 范剑英等: "电机铜排表面毛刺缺陷检测技术研究", 《仪器仪表学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117146764A (en) * | 2023-10-27 | 2023-12-01 | 江苏优创红外科技有限公司 | Optical lens piece surface flatness detection equipment |
| CN117146764B (en) * | 2023-10-27 | 2024-01-05 | 江苏优创红外科技有限公司 | Optical lens piece surface flatness detection equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112525138B (en) | 2022-03-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3750158B2 (en) | Delaminated bottle and method for producing the same | |
| CN112525138B (en) | Detection method for adhesion burrs on surface of stamping workpiece | |
| JP5851077B1 (en) | Packing body for cone-shaped projection sheet and method for manufacturing the same | |
| CN217046120U (en) | Upper adsorption platform of vacuum laminating equipment | |
| US9937336B2 (en) | Method of manufacturing a conical-projections-sheet packaging body | |
| CN117429935B (en) | Film cutting machine with rubberizing device and rubberizing method thereof | |
| JP4761376B2 (en) | Synthetic resin molded product package manufacturing method | |
| JP4070738B2 (en) | Inspection method for liquid containers | |
| CN214327627U (en) | Circular sticker that stickability is strong | |
| CN106961784B (en) | Soft and hard combined plate, production method and production equipment for preventing seepage of liquid medicine for soft and hard combined plate | |
| JP4241386B2 (en) | Airtight skin pack with high water vapor impermeability and aroma protection | |
| WO2021008435A1 (en) | Environmentally friendly spray pump | |
| JP2013151314A (en) | Skin pack packing body | |
| CN220721988U (en) | Easily tear lid of manual seal | |
| JP3145363U (en) | Multi holder | |
| CN1608840A (en) | Exhibition belt | |
| WO2024202646A1 (en) | Composite container and method for manufacturing composite container | |
| CN213978374U (en) | Round sticker | |
| CN221344449U (en) | Protective film for yacht decoration | |
| JP6135850B2 (en) | Adhesive sheet and processing method of adhesive sheet | |
| CN207836371U (en) | The fast ripping device of bacterium bag oxygenation | |
| CN212400552U (en) | Novel bottled water clever lid | |
| CN212315123U (en) | Exempt from to leave type paper environmental protection no trace bubble silk floss sticky tape | |
| CN216131208U (en) | Film suction structure | |
| CN116092372B (en) | Self-adhesive label |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220302 Address after: 250300 4th floor, Ping An Group Industrial Park, Ping An sub district office, Changqing District, Jinan City, Shandong Province Applicant after: Shandong Lijian CNC Equipment Co.,Ltd. Address before: 322000 group 6, Tianxin Er village, Fotang Town, Yiwu City, Jinhua City, Zhejiang Province Applicant before: Wang Kai |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method for detecting adhesion and burrs on the surface of stamped workpieces Granted publication date: 20220318 Pledgee: Jinan Rural Commercial Bank Co.,Ltd. Changqing sub branch Pledgor: Shandong Lijian CNC Equipment Co.,Ltd. Registration number: Y2024980011781 |