CN112147158A - A detection machine for sheet article - Google Patents
A detection machine for sheet article Download PDFInfo
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- CN112147158A CN112147158A CN202011294200.4A CN202011294200A CN112147158A CN 112147158 A CN112147158 A CN 112147158A CN 202011294200 A CN202011294200 A CN 202011294200A CN 112147158 A CN112147158 A CN 112147158A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
- G01N2021/8835—Adjustable illumination, e.g. software adjustable screen
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention relates to the technical field of sheet material object detection, and particularly discloses a detection machine for sheet material objects, which comprises a rack, a bearing plate and a camera unit, a control unit and a display unit, wherein the bearing plate and the camera unit are arranged on the rack; the sheet material storage device also comprises a plurality of light source units arranged on the rack, wherein the plurality of light source units are arranged around the sheet material; the light source unit comprises a bracket, a lamp shell rotatably arranged on the bracket, and a light-emitting strip arranged on the lamp shell and used for irradiating a sheet object; the bracket is provided with an arc-shaped hole, and the lamp shell is provided with a guide post which is rotatably accommodated in the arc-shaped hole; the inner end faces of two ends of the arc-shaped holes, which are far away from each other, are respectively blocked and abutted against the guide posts; by means of rotation of the lamp shell relative to the support, the size of an included angle between the light-emitting strip and the sheet object is adjusted and changed, so that the light-emitting strip accurately irradiates the sheet object, and a camera unit shoots a clear image; by means of the cooperation of the arc-shaped holes and the guide columns, the lamp shell is prevented from excessively rotating and is not good in use, and the detection yield of sheet materials is improved.
Description
Technical Field
The invention relates to the technical field of sheet material object detection, and particularly discloses a detection machine for sheet material objects.
Background
In the processing process of the material, the material is often processed through multiple processes, for example, the material is often processed into a sheet material, after the sheet material is completed, the sheet material is mainly visually detected by workers in the prior art, so that the visual detection efficiency and the detection yield are low.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the detector for the sheet material object, wherein the size of an included angle between the light-emitting strip and the sheet material object is adjusted and changed by means of rotation of the lamp shell relative to the support, so that the light-emitting strip accurately irradiates the sheet material object, and the camera unit shoots a clear image; by means of the cooperation of the arc-shaped holes and the guide columns, the situation that the lamp shell rotates excessively to cause poor use is avoided, and the detection efficiency and the detection yield of sheet materials are improved.
In order to achieve the above object, the present invention provides a detecting machine for sheet material objects, including a frame, a bearing plate and a camera unit disposed on the frame, a control unit and a display unit used in cooperation with the camera unit, wherein the camera unit is located above the bearing plate, the bearing plate is used for bearing the sheet material object to be detected, the camera unit is used for shooting images of the sheet material object borne by the bearing plate, the control unit analyzes and processes the images shot by the camera unit to realize automatic detection of the sheet material object, and the display unit is used for displaying the images shot by the camera unit or/and detection data of the sheet material object by the control unit; the light source unit is arranged around the sheet material object carried by the bearing plate, light rays emitted by the light source unit irradiate the sheet material object carried by the bearing plate, and the camera unit shoots images of the sheet material object irradiated by the light source unit; the light source unit comprises a bracket, a lamp shell rotatably arranged on the bracket, and a light-emitting strip arranged on the lamp shell and used for irradiating a sheet object; the bracket is provided with an arc-shaped hole which is arranged around a rotating axis between the bracket and the lamp shell, and the lamp shell is provided with a guide post which is rotatably accommodated in the arc-shaped hole; the inner end faces of the two ends of the arc-shaped holes far away from each other are respectively blocked and abutted against the guide posts.
The lamp shell is provided with a protruding shaft which is rotatably accommodated in the shaft hole, the arc-shaped hole is arranged around the shaft hole, the outer side of the protruding shaft is sleeved with an elastic ring, and the elastic ring is clamped between the protruding shaft and the inner hole surface of the shaft hole; the outer side of the guide post is sleeved with a rolling bearing which is accommodated in the arc-shaped hole in a rolling way.
The number of the light source units is four, and the four light source units are surrounded to form a rectangle; the first light source unit and the second light source unit are fixedly arranged on the frame, the first light source unit and the second light source unit are vertically arranged, and the third light source unit and the fourth light source unit are respectively movably arranged on the frame; the third light source unit is arranged in parallel with the first light source unit and moves along the direction close to or far away from the first light source unit; the fourth light source unit is arranged in parallel with the second light source unit, and the fourth light source unit moves in a direction close to or far away from the second light source unit.
The light source device comprises a rack, a light source unit, a first fixing piece, a second fixing piece and a fixing piece, wherein the rack is used for supporting the light source unit, the first fixing piece and the second fixing piece; the supporting bar is provided with a plurality of first non-round holes which are arranged along the length direction of the supporting bar; the bracket of the third light source unit and the bracket of the fourth light source unit are both provided with a second noncircular hole used for communicating with the first noncircular hole, the fixing piece is provided with noncircular portions which are arranged in the first noncircular hole and the second noncircular hole, and the inner hole surface of the first noncircular hole and the inner hole surface of the second noncircular hole are used for blocking and abutting against the outer surface of the noncircular portions.
The bearing plate is provided with a yielding hole penetrating through the bearing plate, a reference plate is arranged in the yielding hole, the bearing plate is provided with a plurality of supporting plates extending into the yielding hole, the reference plate in the yielding hole is pressed and held on the supporting plates under the action of gravity, and the reference plate is used for bearing sheet materials.
The positioning device comprises a supporting plate, a first positioning hole, a second positioning hole, a positioning pin and a positioning pin, wherein the supporting plate is provided with the first positioning hole; the loading board is provided with a concave hole for taking and placing formed by concavely arranging the inner side surface of the abdicating hole, and an external material taking piece is inserted into the concave hole for taking the outer side surface of the butting reference plate so as to take out the reference plate in the abdicating hole.
Wherein, the camera unit is including setting up in the frame bear the frame, set up in the holding hole that bears the frame, hold the downthehole toper portion of establishing in the holding, set up in the arc board and the industry camera of toper portion, the arc board sets up around the central axis of toper portion, the external diameter that toper portion is close to arc board one end is greater than the external diameter that toper portion kept away from arc board one end, the lateral surface of toper portion is used for conflicting the hole face in holding the hole, the arc board is used for fixing to bearing the frame.
Wherein, camera unit still including setting up in the first driving piece of frame, bears the frame and rotates and set up in the frame, bears the parallel horizontal plane of axis of rotation between frame, the frame, and the quantity of industry camera is two, and the toper portion that two industry cameras correspond packs into respectively in the both ends of holding the hole, and the focus of two industry cameras is inequality, and first driving piece drive bears the frame and drives industry camera rotation.
The camera unit further comprises a fixing frame arranged on the frame and a plurality of threaded rods arranged on the fixing frame in a threaded mode, one ends of the threaded rods are respectively rotatably arranged on the bearing frame, and the rotating threaded rods drive the bearing frame to enable the industrial camera to move relative to the fixing frame.
The rack is provided with a second driving piece, the support of the light source unit is connected with the output end of the second driving piece, and the second driving piece drives the light source unit to move up and down and is used for changing the position above the sheet material object borne by the light source unit and the bearing plate.
The invention has the beneficial effects that: in the using process of the detection machine, a sheet material object to be detected is placed on the bearing plate, and the size of an included angle between the light-emitting strip and the sheet material object is adjusted and changed by means of rotation of the lamp shell relative to the support, so that the light-emitting strip accurately irradiates the sheet material object, and a camera unit shoots a clear image; in the rotation process of the light source unit, the lamp shell is prevented from excessively rotating and being badly used by means of the matching of the arc-shaped hole and the guide column, and the detection yield of sheet materials is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural diagram of a light source unit according to the present invention;
FIG. 3 is a schematic structural diagram of a lamp housing and a light bar according to the present invention;
FIG. 4 is a schematic structural diagram of a support bar, a lamp housing and a light-emitting bar according to the present invention;
FIG. 5 is a schematic structural diagram of a carrier plate and a reference plate according to the present invention;
FIG. 6 is a schematic structural diagram of the carriage and the camera unit according to the present invention;
FIG. 7 is a schematic view of the ratchet, the arc-shaped locking bar and the elastic member according to the present invention.
The reference numerals include:
1-frame 2-carrier plate 3-camera unit
4-light source unit 5-support 6-lamp shell
7-luminous strip 8-arc hole 9-guide post
11-protruding shaft 12-elastic ring 13-rolling bearing
14-body part 15-radiating rib plate 16-support bar
17-fixing piece 18-first non-circular hole 19-abdicating hole
21-reference plate 22-supporting plate 23-taking and placing concave hole
24-carrier 25-cone 26-arc plate
27-industrial camera 28-ratchet wheel 29-arc locking strip
31-elastic member 32-arc ratchet.
Detailed Description
For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
Referring to fig. 1 to 7, the detecting machine for sheet material object of the present invention includes a frame 1, a bearing plate 2 and a camera unit 3 installed on the frame 1, and a control unit and a display unit used in cooperation with the camera unit 3, wherein the bearing plate 2 is disposed parallel to a horizontal plane, the camera unit 3 is located above the bearing plate 2, the control unit can be installed in the frame 1, and the frame 1 protects the control unit to reduce the probability of damage caused by collision of the control unit. The bearing plate 2 is used for bearing a sheet material object to be detected, the camera unit 3 is used for shooting an image of the sheet material object borne by the bearing plate 2, the control unit analyzes and processes the image shot by the camera unit 3 to realize automatic detection of the sheet material object, and the display unit is used for displaying the image shot by the camera unit 3 or/and detection data of the control unit on the sheet material object. According to actual needs, the display unit may be a touch display screen, and of course, a user may regulate and control parameters of the camera unit 3 via the control unit by means of the touch display screen.
The detection machine for the sheet material objects also comprises a plurality of light source units 4 which are arranged on the machine frame 1 and matched with the control unit for use, the plurality of light source units 4 are arranged around the sheet material objects carried by the bearing plate 2, the light rays emitted by the light source units 4 irradiate the sheet material objects carried by the bearing plate 2, and the camera unit 3 shoots images of the sheet material objects irradiated by the light source units 4. According to actual needs, the light source unit 4 can irradiate light rays with different brightness or different colors on the sheet material object, images of the sheet material object under the light rays with different brightness or different colors are shot by the camera unit 3, different images shot by the camera unit 3 are analyzed and processed by the control unit, and the detection yield of the sheet material object is improved.
The light source unit 4 comprises a bracket 5 arranged on the frame 1, a lamp housing 6 rotatably arranged on the bracket 5, and a light bar 7 arranged on the lamp housing 6 and used for irradiating the sheet material. When the lamp shell 6 drives the light-emitting strip 7 to rotate, poor alignment caused by the included angle between the light-emitting strip 7 and the sheet object is reduced, the alignment yield between the light-emitting strip 7 and the sheet object is improved, and then the sheet object is accurately illuminated by light emitted by the light-emitting strip 7.
The bracket 5 is provided with an arc-shaped hole 8, the arc-shaped hole 8 is arranged around a rotating axis between the bracket 5 and the lamp shell 6, the lamp shell 6 is provided with a guide post 9 which is rotatably accommodated in the arc-shaped hole 8, and the guide post 9 is approximately cylindrical; the inner end faces of the two ends of the arc-shaped hole 8 far away from each other are respectively blocked and abutted against the guide posts 9.
In the rotating process of the lamp shell 6, the lamp shell 6 drives the guide post 9 to rotate together, and when the guide post 9 abuts against the inner end face of one end of the arc-shaped hole 8, light rays emitted by the light-emitting strip 7 irradiate the edge of the first end of the sheet material object. When the lamp housing 6 drives the guide post 9 to rotate towards the other end of the arc-shaped hole 8, light emitted by the light-emitting strip 7 gradually moves from the edge of the first end of the irradiated sheet material to the edge of the second end of the sheet material far away from the first end of the sheet material, and when the guide post 9 abuts against the inner end face of the other end of the arc-shaped hole 8, the light emitted by the light-emitting strip 7 irradiates the edge of the second end. By means of the stopping and limiting of the arc-shaped hole 8 to the guide post 9, poor irradiation caused by over-rotation of the light-emitting strip 7 is avoided.
In the using process of the detection machine, a sheet material object to be detected is placed on the bearing plate 2, and the included angle of the light-emitting strip 7 relative to the sheet material object is adjusted and changed by means of the rotation of the lamp shell 6 relative to the bracket 5, so that the light-emitting strip 7 accurately irradiates on the sheet material object, and the camera unit 3 captures a clear image; in the rotation process of the light source unit 4, the lamp housing 6 is prevented from being badly used due to excessive rotation by means of the matching of the arc-shaped hole 8 and the guide post 9, and the detection efficiency and the detection yield of sheet materials are improved.
The support 5 is equipped with the shaft hole, and lamp body 6 has and rotates the protruding axle 11 of holding establishing in the shaft hole, and arc hole 8 sets up around the shaft hole, and the outside cover of protruding axle 11 is equipped with elastic ring 12, and elastic ring 12 centre gripping is between the hole face in protruding axle 11 and shaft hole. For example, the elastic ring 12 is made of silicone rubber. Through the arrangement of the elastic ring 12, on one hand, the protruding shaft 11 is ensured to be stably installed in the shaft hole, and on the other hand, after the lamp housing 6 rotates relative to the bracket 5, the lamp housing 6 together with the light-emitting strip 7 is ensured to be stably positioned at a required angular position by virtue of the elastic deformation characteristic of the elastic ring 12, so that secondary movement after the lamp housing 6 rotates to the required angular position is avoided, and the service performance of the light source unit 4 is improved.
The outer side of the guide post 9 is sleeved with a rolling bearing 13 which is accommodated in the arc-shaped hole 8 in a rolling manner, and through the arrangement of the rolling bearing 13, when the guide post 9 moves in the arc-shaped hole 8, the sliding friction between the guide post 9 and the support 5 is converted into rolling friction, so that the friction noise and the abrasion are reduced.
The lamp housing 6 comprises a main body 14, and a plurality of heat dissipation ribs 15 arranged on the outer side of the main body 14, the main body 14 is a substantially hollow cylinder, the heat dissipation ribs 15 are parallel to the central axis of the main body 14, the plurality of heat dissipation ribs 15 are arranged around the central axis of the main body 14, preferably, the plurality of heat dissipation ribs 15 are arranged at equal intervals, and a heat dissipation groove is formed between two adjacent heat dissipation ribs 15; the main body 14 has a rectangular parallelepiped hole for accommodating the light emitting bar 7, and the rectangular parallelepiped hole extends in the longitudinal direction of the main body 14.
In the use of light-emitting strip 7, the heat transfer of light-emitting strip 7 is to the noumenon portion 14 of lamp body 6, with the help of the setting of a plurality of heat dissipation rib plates 15, increases the area of contact of lamp body 6 and external air, promotes the radiating efficiency of light-emitting strip 7, avoids light-emitting strip 7 high temperature and bad use, prolongs the life of light-emitting strip 7. In addition, the heat of the lamp housing 6 is taken away by the external air flowing through the heat dissipation groove, so that the heat dissipation efficiency of the light-emitting strip 7 is further improved in an auxiliary manner.
The number of the light source units 4 is four, and the four light source units 4 are surrounded to form a rectangle; the first light source unit 4 and the second light source unit 4 are fixedly arranged on the frame 1, the first light source unit 4 and the second light source unit 4 are vertically arranged, and the third light source unit 4 and the fourth light source unit 4 are respectively and movably arranged on the frame 1; the third light source unit 4 is disposed in parallel with the first light source unit 4, and the third light source unit 4 moves in a direction approaching or separating from the first light source unit 4; the fourth light source unit 4 is disposed in parallel with the second light source unit 4, and the fourth light source unit 4 moves in a direction approaching or separating from the second light source unit 4.
Through the arrangement of the four light source units 4, the light source units 4 irradiate the sheet material from four directions of the front, the back, the left and the right of the sheet material, so that the shadowless shooting of the sheet material is realized, the poor detection caused by the existence of the shadow in the image of the sheet material shot by the camera unit 3 is avoided, and the detection yield of the sheet material is improved. By means of the movable arrangement of the third light source unit 4 and the fourth light source unit 4 on the rack 1, the size between the four light source units 4 is changed, so that the four light source units 4 can illuminate sheet objects with various sizes, and the detection cost of the sheet objects is reduced.
The detection machine for the sheet material objects further comprises two supporting strips 16 and two fixing pieces 17, wherein the two supporting strips 16 are arranged on the rack 1, the two supporting strips 16 are vertically arranged, and the two fixing pieces 17 are used for fixing the third light source unit 4 and the fourth light source unit 4 on the two supporting strips 16 respectively. The supporting strip 16 is provided with a plurality of first non-circular holes 18, the plurality of first non-circular holes 18 are arranged along the length direction of the supporting strip 16, and preferably, the plurality of first non-circular holes 18 are arranged at equal intervals along the length direction of the supporting strip 16. The bracket 5 of the third light source unit 4 and the bracket 5 of the fourth light source unit 4 are both provided with a second noncircular hole for communicating with the first noncircular hole 18, the fixing member 17 is provided with noncircular portions accommodated in the first noncircular hole 18 and the second noncircular hole, and the inner hole surface of the first noncircular hole 18 and the inner hole surface of the second noncircular hole are used for blocking and abutting against the outer surface of the noncircular portions. In this embodiment, the first non-circular aperture 18, the second non-circular aperture, and the non-circular portion are substantially triangular.
According to the actual size of the sheet material, the user can move the third light source unit 4 and the fourth light source unit 4 along the length direction of the corresponding support strips 16, so that the second non-circular holes of the third light source unit 4 and the fourth light source unit 4 are aligned and communicated with one first non-circular hole 18, and then the bracket 5 of the third light source unit 4 and the bracket 5 of the fourth light source unit 4 are respectively fixed on the two support strips 16 by the fixing members 17. The bracket 5 is prevented from rotating relative to the supporting bar 16 by the stopping and abutting of the inner hole of the non-circular hole facing the outer surface of the non-circular part, so that the third light source unit 4 and the fourth light source unit 4 are accurately positioned at the required positions respectively.
The bearing plate 2 is provided with a yielding hole 19 penetrating through the bearing plate 2, a reference plate 21 is arranged in the yielding hole 19, the bearing plate 2 is provided with a plurality of supporting plates 22 extending into the yielding hole 19, the reference plate 21 in the yielding hole 19 is pressed on the plurality of supporting plates 22 under the action of gravity, and the reference plate 21 is used for bearing sheet materials.
In actual use, according to the actual color of the sheet material, the user can select the reference plate 21 with different colors, and after the sheet material is placed on the reference plate 21, the camera unit 3 can capture clear influence by means of matching between the color of the corresponding reference plate 21 and the actual color of the sheet material, so as to further assist in improving the detection yield of the sheet material.
When the reference plate 21 needs to be replaced, the reference plate 21 is extended into the abdicating hole 19 from the lower part of the bearing plate 2 by means of an ejector pin and the like, the gravity of the reference plate 21 is overcome, the reference plate 21 is ejected out of the abdicating hole 19, then the reference plate 21 can be taken away, and then a new reference plate 21 can be placed into the abdicating hole 19. After the reference plate 21 is placed in the abdicating hole 19, the inner ring side surface of the abdicating hole 19 stops the outer ring side surface of the limiting reference plate 21, so that the reference plate 21 is stably limited in the abdicating hole 19.
The positioning device also comprises a positioning needle, wherein the supporting plate 22 is provided with a first positioning hole, the reference plate 21 is provided with a second positioning hole communicated with the first positioning hole, and the positioning needle is inserted into the first positioning hole and the second positioning hole; the bearing plate 2 is provided with a concave hole 23 formed by recessing the inner side surface of the abdicating hole 19, and an external material taking piece is inserted into the concave hole 23 and abuts against the outer side surface of the reference plate 21 so as to take out the reference plate 21 in the abdicating hole 19.
After the reference plate 21 is placed in the abdicating hole 19, the outer ring side surface of the limit positioning pin is stopped by the inner hole side surface of the positioning hole, so that the reference plate 21 is prevented from moving in the abdicating hole 19, and the reference plate 21 is stably positioned and pressed on the supporting plate 22. When the reference plate 21 needs to be replaced or taken out, one end of the material taking part is inserted into the taking and placing concave hole 23, the material taking part in the taking and placing concave hole 23 abuts against the outer side face of the reference plate 21, the reference plate 21 is pried out of the abdicating hole 19, and then the reference plate 21 can be taken out of the abdicating hole 19. In practical use, the bearing surfaces of the two sides of the reference plate 21 away from each other can bear the sheet material, the material taking piece does not need to abut against the bearing surface of the reference plate 21, and the bearing surface of the reference plate 21 is prevented from being damaged by contact.
In the installation process of the industrial camera 27, the industrial camera 27 and the bearing frame 24 are quickly aligned by means of the matching of the accommodating hole and the conical part 25, and the conical part 25 is accurately installed at a required position on the bearing frame 24 by means of the stopping and abutting of the side surface of the inner hole of the accommodating hole to the outer side surface of the conical part 25. The fixed mounting of the industrial camera 27 to the carrier frame 24 is achieved by means of the fixed connection of the arc plate 26 to the carrier frame 24.
The camera unit 3 further comprises a first driving part arranged on the frame 1, the bearing frame 24 is rotatably arranged on the frame 1, the rotating axes between the bearing frame 24 and the frame 1 are parallel to the horizontal plane, the number of the industrial cameras 27 is two, the conical parts 25 corresponding to the two industrial cameras 27 are respectively arranged in the two ends of the accommodating hole, the focal lengths of the two industrial cameras 27 are different, and the first driving part drives the bearing frame 24 to drive the industrial cameras 27 to rotate.
In practical use, after one industrial camera 27 finishes shooting the sheet material object carried by the carrying plate 2, the first driving member drives the carrying frame 24 to drive the industrial camera 27 to rotate until the other industrial camera 27 rotates above the sheet material object, the other industrial camera 27 is used for shooting images of the sheet material object, the two industrial cameras 27 with different focal lengths are used for respectively shooting images of the same sheet material object, and the control unit performs comparative analysis on the images of the sheet material object shot by the two industrial cameras 27, so that the detection yield of the sheet material object is improved.
In this embodiment, the camera unit 3 further includes a ratchet 28, an arc-shaped locking bar 29 and an elastic member 31, a central axis of the ratchet 28 is overlapped with a rotation axis of the bearing frame 24, the ratchet 28 includes a wheel body fixedly mounted and connected to the bearing frame 24 and a plurality of arc-shaped ratchet teeth 32 disposed on an outer side of the wheel body, and the plurality of arc-shaped ratchet teeth 32 are in an annular array around the central axis of the wheel body. One end of the arc-shaped locking strip 29 is rotatably mounted with the frame 1, the elastic member 31 is used for driving the arc-shaped locking strip 29 to abut against the wheel body, and the other end of the arc-shaped locking strip 29 is used for abutting against and stopping the end of the arc-shaped ratchet 32.
When the two industrial cameras 27 complete position switching, the elastic member 31 drives the other end of the arc-shaped locking bar 29 to abut against the end of the arc-shaped ratchet 32 under the action of elastic force, so that secondary movement of the industrial camera 27 caused by inversion of the first driving member is avoided, and the required industrial camera 27 is ensured to be stably positioned at a required position above a sheet material object.
The camera unit 3 further comprises a fixing frame arranged on the frame 1 and a plurality of threaded rods arranged on the fixing frame in a threaded manner, one ends of the threaded rods are respectively rotatably arranged on the bearing frame 24, and the rotating threaded rods drive the bearing frame 24 to enable the industrial camera 27 to move relative to the fixing frame.
In camera unit 3's use, according to actual need, the user can the manual rotation threaded rod, with the help of the threaded connection cooperation between threaded rod and the mount for the threaded rod drives and bears frame 24 and makes the relative mount of industry camera 27 remove, and then realizes the fine setting to industry camera 27 position, promotes camera unit 3 user state's variety.
In this embodiment, the frame 1 is further provided with a second driving member, the bracket 5 of the light source unit 4 is connected to an output end of the second driving member, and the second driving member drives the light source unit 4 to move up and down and is used for changing the position above the sheet object carried by the light source unit 4 and the carrying plate 2.
When the device is actually used, all the light source units 4 are driven to move up and down by the second driving piece according to the actual thickness of the sheet object, so that the light source units 4 are always positioned above the sheet object, and the light source units 4 can accurately irradiate the sheet objects with various thicknesses. Of course, the number of the second driving members may be plural, and the plural second driving members respectively drive the plural light source units 4 to move.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (10)
1. A detection machine for sheet materials comprises a rack, a bearing plate and a camera unit which are arranged on the rack, a control unit and a display unit which are matched with the camera unit for use, wherein the camera unit is positioned above the bearing plate, the bearing plate is used for bearing the sheet materials to be detected, the camera unit is used for shooting images of the sheet materials borne by the bearing plate, the control unit analyzes and processes the images shot by the camera unit to realize automatic detection of the sheet materials, and the display unit is used for displaying the images shot by the camera unit or/and detection data of the control unit on the sheet materials; the method is characterized in that: the light source unit is arranged around the sheet material object carried by the bearing plate, light rays emitted by the light source unit irradiate the sheet material object carried by the bearing plate, and the camera unit shoots images of the sheet material object irradiated by the light source unit; the light source unit comprises a bracket, a lamp shell rotatably arranged on the bracket, and a light-emitting strip arranged on the lamp shell and used for irradiating a sheet object; the bracket is provided with an arc-shaped hole which is arranged around a rotating axis between the bracket and the lamp shell, and the lamp shell is provided with a guide post which is rotatably accommodated in the arc-shaped hole; the inner end faces of the two ends of the arc-shaped holes far away from each other are respectively blocked and abutted against the guide posts.
2. The inspection machine for sheet articles as claimed in claim 1, wherein: the lamp shell is provided with a protruding shaft which is rotatably accommodated in the shaft hole, the arc-shaped hole is arranged around the shaft hole, the outer side of the protruding shaft is sleeved with an elastic ring, and the elastic ring is clamped between the protruding shaft and the inner hole surface of the shaft hole; the outer side of the guide post is sleeved with a rolling bearing which is accommodated in the arc-shaped hole in a rolling way.
3. The inspection machine for sheet articles as claimed in claim 1, wherein: the number of the light source units is four, and the four light source units are arranged in a surrounding manner to form a rectangle; the first light source unit and the second light source unit are fixedly arranged on the frame, the first light source unit and the second light source unit are vertically arranged, and the third light source unit and the fourth light source unit are respectively movably arranged on the frame; the third light source unit is arranged in parallel with the first light source unit and moves along the direction close to or far away from the first light source unit; the fourth light source unit is arranged in parallel with the second light source unit, and the fourth light source unit is arranged along the direction close to or far away from the second light source unit.
4. A detecting machine for sheet articles according to claim 3, characterized in that: the support frame is provided with a support bar and a fixing piece, the support bar is arranged on the frame, the support bar is vertically arranged, and the fixing piece is used for fixing the third light source unit and the fourth light source unit on the support bar respectively; the supporting bar is provided with a plurality of first non-round holes which are arranged along the length direction of the supporting bar; the bracket of the third light source unit and the bracket of the fourth light source unit are both provided with a second noncircular hole used for communicating with the first noncircular hole, the fixing piece is provided with noncircular portions which are arranged in the first noncircular hole and the second noncircular hole, and the inner hole surface of the first noncircular hole and the inner hole surface of the second noncircular hole are used for blocking and abutting against the outer surface of the noncircular portions.
5. The inspection machine for sheet articles as claimed in claim 1, wherein: the bearing plate is provided with a yielding hole penetrating through the bearing plate, a reference plate is arranged in the yielding hole, the bearing plate is provided with a plurality of supporting plates extending into the yielding hole, the reference plate in the yielding hole is pressed on the supporting plates under the action of gravity, and the reference plate is used for bearing sheet materials.
6. The inspection machine for sheet articles as claimed in claim 5, wherein: the positioning pin is inserted into the first positioning hole and the second positioning hole; the loading board is provided with a concave hole for taking and placing formed by concavely arranging the inner side surface of the abdicating hole, and an external material taking piece is inserted into the concave hole for taking the outer side surface of the butting reference plate so as to take out the reference plate in the abdicating hole.
7. The inspection machine for sheet articles as claimed in claim 1, wherein: the camera unit is including setting up in the frame bear the frame, set up in the holding hole that bears the frame, hold the downthehole toper portion of establishing in the holding, set up in the arc board and the industry camera of toper portion, the arc board sets up around the central axis of toper portion, the external diameter that toper portion is close to arc board one end is greater than the external diameter that toper portion kept away from arc board one end, the lateral surface of toper portion is used for contradicting the interior hole face that holds the hole, the arc board is used for fixing to bearing the frame.
8. The inspection machine for sheet articles as claimed in claim 7, wherein: the camera unit further comprises a first driving piece arranged on the frame, the bearing frame is rotatably arranged on the frame, the rotating axes between the bearing frame and the frame are parallel to the horizontal plane, the number of the industrial cameras is two, the conical portions corresponding to the two industrial cameras are respectively arranged in the two ends of the accommodating hole, the focal lengths of the two industrial cameras are different, and the first driving piece drives the bearing frame to drive the industrial cameras to rotate.
9. The inspection machine for sheet articles as claimed in claim 7, wherein: the camera unit further comprises a fixing frame arranged on the rack and a plurality of threaded rods arranged on the fixing frame in a threaded mode, one ends of the threaded rods are respectively rotatably arranged on the bearing frame, and the rotating threaded rods drive the bearing frame to enable the industrial camera to move relative to the fixing frame.
10. The inspection machine for sheet articles as claimed in claim 1, wherein: the rack is provided with a second driving piece, the bracket of the light source unit is connected with the output end of the second driving piece, and the second driving piece drives the light source unit to move up and down and is used for changing the position above the sheet material object carried by the light source unit and the bearing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011294200.4A CN112147158A (en) | 2020-11-18 | 2020-11-18 | A detection machine for sheet article |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011294200.4A CN112147158A (en) | 2020-11-18 | 2020-11-18 | A detection machine for sheet article |
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| CN112147158A true CN112147158A (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011294200.4A Pending CN112147158A (en) | 2020-11-18 | 2020-11-18 | A detection machine for sheet article |
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| CN (1) | CN112147158A (en) |
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