CN109254008B - Outer wall surface detection device for cylindrical product - Google Patents
Outer wall surface detection device for cylindrical product Download PDFInfo
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- CN109254008B CN109254008B CN201811345287.6A CN201811345287A CN109254008B CN 109254008 B CN109254008 B CN 109254008B CN 201811345287 A CN201811345287 A CN 201811345287A CN 109254008 B CN109254008 B CN 109254008B
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- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000009471 action Effects 0.000 claims description 25
- 238000003825 pressing Methods 0.000 claims description 21
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000001154 acute effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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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
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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Abstract
A cylinder product outer wall surface detection device which characterized in that: the cylindrical product outer wall surface detection device comprises a frame (1), a product conveying surface (2), a push rod assembly (3), a positioning sleeve assembly (4) and a camera device; the ejector rod assembly (3) comprises an ejector rod (31); the positioning sleeve assembly (4) comprises an outer sleeve body (41) and a jacking body (42); at least one of the ejector rod assembly (3) and the positioning sleeve assembly (4) rotates relative to the frame (1) by taking the coincident axial lead as a rotation central axis, and a rotation driving mechanism (5) is connected to drive the rotation of the ejector rod assembly and the positioning sleeve assembly; and at least one of the two shafts slides relative to the frame (1) along the overlapped shaft axis, and a linear driving device (6) is acted on the shaft axis to drive the shaft axis to slide. The invention improves the switching time of products to the maximum extent, and immediately carries out the next one after the product is detected, and the interval time is very short, thereby improving the detection speed and efficiency.
Description
Technical Field
The invention relates to the field of processing equipment, in particular to a visual detection device for the outer wall surface of a cylindrical product.
Background
With the progress of technology, the application field of lithium batteries is further expanding, from mobile phone batteries, electric bicycle batteries, to hybrid electric vehicle batteries, there are all applications of lithium batteries, and in these applications, a cylindrical power lithium battery shell adopts an aluminum shell or a steel shell. The surface of the lithium battery can be damaged in the transportation and manufacturing processes, and the application of an inferior steel shell or an inferior aluminum shell can cause hidden danger to the safety performance of the lithium battery. Therefore, the cylindrical shell of the lithium battery needs to be detected before delivery and use, and the shell detection comprises detection of the outer peripheral surface, the notch, the outer bottom surface, the inner bottom surface and the like.
In order to realize automatic detection, an automatic detection device needs to be designed, the representative structure in the prior art can be seen from the patent application of the invention with publication number of CN108435586A, and the disclosed scheme for detecting the outer peripheral surface of the product to be detected is as follows: the product to be detected is placed on a positioning device, the positioning device drives the product to rotate, the peripheral surface of the product to be detected is photographed through a photographing device arranged on the periphery, obviously, the positioning device is similar to a rotary table, the product to be detected is vertically placed on the positioning device, and the structure has the following defects: the product to be detected needs to be placed or taken away on the positioning device by adopting the clamping device (similar to a mechanical arm), namely the product to be detected needs to be carried by adopting the clamping device, along with the progress of the current imaging technology, the circumferential imaging time of the product to be detected can be shortened, but the product to be detected is carried by adopting the clamping device, but at most two clamping devices work alternately, the lifting displacement time of the clamping device is required, the speed is limited, and the detection speed of the whole equipment still cannot be improved.
How to structurally improve the detection equipment so as to further improve the detection speed is a main research direction of the person skilled in the art.
Disclosure of Invention
The invention aims to provide a cylindrical product outer wall surface detection device which is improved in the structural modes of clamping and positioning and driving a cylindrical product to rotate, and the detection speed and the detection efficiency of the detection device are improved.
In order to achieve the above purpose, the invention adopts the following technical scheme: a device for detecting the outer wall surface of a cylindrical product, wherein at least one end of the cylindrical product is an open end; the cylindrical product outer wall surface detection device comprises a frame, a product conveying surface, a push rod assembly, a positioning sleeve assembly and a camera device;
the product conveying surface is flatly paved on the rack, one or more positioning grooves for placing cylindrical products in a lying mode are arranged on the product conveying surface, and the cylindrical products are positioned in the positioning grooves in a lying mode during detection;
the ejector rod assembly and the positioning sleeve assembly are arranged on the frame corresponding to the same positioning groove on the product conveying surface, the ejector rod assembly is positioned at the open end side of the cylindrical product positioned by the positioning groove, and the positioning sleeve assembly is positioned at the other end side of the positioning sleeve assembly;
the ejector rod assembly comprises an ejector rod, one end of the ejector rod, which faces to a cylindrical product positioned by the positioning groove, is used as an ejector rod acting end, a circle of ejection guide surface is arranged on the circumferential direction of the ejector rod acting end, and the projection of the ejection guide surface on the axial section of the ejector rod is a straight line or an outer convex arc line which forms an acute angle with the axis of the ejector rod, so that the ejector rod acting end is in a reduced end shape; the maximum diameter of the acting end of the ejector rod is larger than the diameter of the cylindrical product, and the ejection guide surface is used for abutting against the open end of the cylindrical product positioned by the positioning groove;
the positioning sleeve assembly comprises an outer sleeve body, wherein an axial hole is formed in the outer sleeve body, the cylindrical product is positioned towards the positioning groove, one end of the axial hole, which is positioned towards the positioning groove, of the cylindrical product is used as a positioning action hole section, the size of the positioning action hole section is matched with the outer diameter of the cylindrical product, a guide surface is arranged at the bottom of the opening edge of the positioning action hole section, a jacking body is slidably arranged in the axial hole of the outer sleeve body, one end, which is positioned towards the positioning groove, of the jacking body is used as a jacking action end, the other end side of the jacking body is provided with an elastic element or an air pressure cavity, and the acting force of the elastic element or the air pressure cavity forces the jacking body to move towards the cylindrical product positioned towards the positioning groove and extend out of the outer sleeve body;
the axial lead of the outer sleeve body of the positioning sleeve assembly is overlapped with the axial lead of the ejector rod assembly, and the overlapped axial lead is higher than the axial lead of the cylindrical product positioned by the positioning groove but lower than the highest point of the inner wall of the cylindrical product positioned by the positioning groove;
at least one of the ejector rod assembly and the positioning sleeve assembly rotates relative to the frame by taking the coincident axial lead as a rotation central axis, and a rotation driving mechanism is connected to the ejector rod assembly and the positioning sleeve assembly for driving the rotation of the ejector rod assembly and the positioning sleeve assembly; and at least one of the two shafts slides relative to the frame along the overlapped axial lines, and a linear driving device is acted on the two shafts to drive the two shafts to slide;
the camera device is correspondingly arranged in the positioning groove corresponding to the ejector rod assembly and the positioning sleeve assembly and is used for shooting a cylindrical product positioned by the positioning groove.
In the above scheme, further changes and explanations are as follows:
1. in the scheme, a magnetic attraction device or a vacuum adsorption structure is arranged on the jacking action end of the jacking body.
2. In the scheme, the ejector rod assembly rotates relative to the frame by taking the coincident axial lead as the central rotation axis, the ejector rod assembly is connected with a rotary driving mechanism to drive the rotary driving mechanism to rotate, the positioning sleeve assembly slides relative to the frame along the coincident axial lead, and a linear driving device is acted on the positioning sleeve assembly to drive the positioning sleeve assembly to slide; a magnetic attraction device or a vacuum adsorption structure is arranged on the jacking action end of the jacking body.
3. In the scheme, the top of the end of the outer sleeve body, which is provided with the positioning action hole section, is provided with the avoidance notch, so that the positioning action hole section is annular, and the whole peripheral surface of the cylindrical product is exposed.
The design principle and effect of the invention are as follows: when the cylindrical product is conveyed to be opposite to the ejector rod assembly and the positioning sleeve assembly, the ejector rod assembly and the positioning sleeve assembly are oppositely folded, the left side and the right side of the ejector rod assembly and the positioning sleeve assembly are propped against the cylindrical product, then the cylindrical product is naturally lifted and separated from the product conveying surface under the action of the conical surface of the end part of the ejector rod and the guide surface of the outer sleeve body, and then the ejector rod assembly or the positioning sleeve assembly is rotated for one circle with the cylindrical product, so that the photographing device can conveniently complete photographing detection on the outer wall surface of the cylindrical product. After shooting, only the ejector rod assembly and the positioning sleeve assembly are required to be separated relatively, and the cylindrical product naturally falls onto the product conveying surface and can be conveyed to other detection stations through the product conveying surface. By the design, the switching time of products is improved to the greatest extent, one product is detected, the next product is immediately carried out, the interval time is short, and therefore the detection speed and efficiency are improved.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic diagram showing a full-section operation process of the structure according to the embodiment of the present invention;
FIG. 3 is a schematic diagram showing a full-section operation process of the structure according to the second embodiment of the present invention;
fig. 4 is a schematic diagram of a full-section action process of the structure according to the embodiment of the invention.
In the above figures: 1. a frame; 2. A product conveying surface; 21. a positioning groove; 3. a push rod assembly; 31. a push rod; 311. an end face of the action end; 4. a positioning sleeve assembly; 41. a jacket body; 411. an axial bore; 412. positioning the action hole section; 4121. a guide surface; 4122. avoiding the notch; 42. a pressing body; 421. pressing the acting end; 4211. a vacuum adsorption structure; 43. an elastic element; 5. a rotary driving mechanism; 6. a linear driving device; 7. a vacuum generator; 8. a movable plate; 10. a cylindrical product.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples:
examples: referring to fig. 1 to 4, an outer wall surface detecting device for a cylindrical product comprises:
the product to which this embodiment is applied is a cylindrical product, at least one of which is open ended, which is exemplified by an open ended cylindrical product such as a lithium battery housing.
Referring to fig. 1 to 4, the detecting device for the outer wall surface of the cylindrical product comprises a frame 1, a product conveying surface 2, a push rod assembly 3, a positioning sleeve assembly 4 and a camera device (not shown in the figure).
Referring to fig. 1-4, the product conveying surface 2 is flatly arranged on the frame 1, one or more positioning grooves 21 for placing cylindrical products in a lying manner are arranged on the product conveying surface 2, and the cylindrical products 10 lie in the positioning grooves 21 during detection. The product conveying surface 2 may be a conveying surface such as a timing belt.
Referring to fig. 1 to 4, the ejector pin assembly 3 and the positioning sleeve assembly 4 are disposed on the frame 1 corresponding to the same positioning groove 21 on the product conveying surface 2, the ejector pin assembly 3 is disposed on the open end side of the cylindrical product 10 positioned by the positioning groove 21, and the positioning sleeve assembly 4 is disposed on the other end side thereof.
Referring to fig. 1 to 4, the ejector rod assembly 3 includes an ejector rod 31, wherein one end of the ejector rod 31 facing the cylindrical product 10 positioned by the positioning groove 21 is used as an ejector rod acting end, a circle of ejection guide surface 311 is circumferentially arranged on the ejector rod acting end, and the projection of the ejection guide surface 311 on the axial section of the ejector rod 31 is a straight line or an outer convex arc which forms an acute angle with the ejector rod axis, so that the ejector rod acting end is in a reduced end shape. The maximum diameter of the active end of the ejector pin is greater than the diameter of the cylindrical product 10, and the ejector guide surface 311 is adapted to abut against the open end of the cylindrical product 10 in which the positioning groove 21 is positioned.
As shown in fig. 1 to 4, the projection of the pressing guide surface 311 on the axial section of the ejector rod 31 is a straight line which forms an acute angle with the axis of the ejector rod, that is, the acting end of the ejector rod is conical or truncated cone, which is a preferable scheme.
Referring to fig. 1 to 4, the positioning sleeve assembly 4 comprises an outer sleeve 41, wherein the cylindrical product 10 positioned by the outer sleeve 41 facing the positioning groove 21 is provided with an axial hole 411, one end of the cylindrical product 10 positioned by the axial hole 411 facing the positioning groove 21 is used as a positioning hole section 412, the size of the positioning hole section 412 is matched with the outer diameter of the cylindrical product 10, the bottom of the hole edge of the positioning hole section 412 is provided with a guiding surface 4121, in the specific example, the hole edge of the whole positioning hole section 412 is provided with a circle of chamfer, the section of the chamfer positioned on the bottom is used as the guiding surface 4121, and the guiding surface 4121 can be an inclined plane or an inclined convex arc surface.
Referring to fig. 1 to 4, an ejector 42 is slidably disposed in the axial hole 411 of the outer casing 41, one end of the ejector 42 facing the cylindrical product 10 positioned by the positioning groove 21 is provided as an ejector acting end 421, and the other end side thereof is provided with an elastic member 43 or an air pressure chamber, and the force of the elastic member 43 or the air pressure chamber forces the ejector 42 to move toward the cylindrical product 10 positioned by the positioning groove 21 and protrude from the outer casing 41. In the figures, for example, a spring element 43 is used, which spring element 43 is in particular a mechanical compression spring. In practice, other types of resilient elements are available, such as resilient tabs and the like. In practice, it is also possible to provide an air pressure chamber at the other end of the pressing body 42, so that the pressing body 42 functions as a piston, i.e., a pneumatic spring structure is formed.
Referring to fig. 2, the axis of the outer casing 41 of the positioning sleeve assembly 4 is coincident with the axis of the ejector rod 31 of the ejector rod assembly 3, and the coincident axis is higher than the axis β of the cylindrical product 10 positioned by the positioning groove 21, but lower than the highest point of the inner wall of the cylindrical product 10 positioned by the positioning groove 21. The axis alpha is a certain distance above the axis beta, but the distance is smaller.
The camera device is correspondingly positioned above the positioning groove 21 corresponding to the ejector rod assembly 3 and the positioning sleeve assembly 4 and is used for shooting the cylindrical product 10 positioned by the positioning groove 21. The image pickup device is not shown in the figure, and the actual specific image pickup device is set as required.
Referring to fig. 2 to 4, the pressing end 421 of the pressing body 42 is provided with a magnetic attraction device or vacuum adsorption structure 4211, which is illustrated as a vacuum adsorption structure 4211, and the vacuum adsorption structure 4211 is specifically an adsorption port provided on the pressing end 421 and connected to the vacuum generator 7 (i.e. the negative pressure air source) through a channel.
Referring to fig. 2 to 4, the top of the end of the outer sleeve 41 where the positioning hole section 412 is located is provided with a avoiding notch 4122, so that the positioning hole section 412 is formed in a ring shape to expose the entire outer peripheral surface of the cylindrical product 10, and the image pickup device can pick up the entire outer peripheral wall surface of the product.
At least one of the ejector rod assembly 3 and the positioning sleeve assembly 4 rotates relative to the frame 1 by taking the coincident axial lead as a rotation central axis, and a rotation driving mechanism 5 is connected to drive the rotation of the ejector rod assembly and the positioning sleeve assembly; and at least one of the two shafts slides relative to the frame 1 along the overlapped shaft axis, and a linear driving device 6 is acted on the shaft axis to drive the shaft axis to slide.
Specifically, as illustrated in fig. 1: the ejector rod assembly 3 is rotatably connected with the frame 1, and is connected with a rotary driving mechanism 5 for driving the rotary driving mechanism to rotate; the positioning sleeve component 4 is connected with the frame 1 in a sliding way, and a linear driving device 6 acts on the positioning sleeve component; the positioning sleeve assembly 4 can be rotatably arranged around the axis direction, and can also be non-rotatably positioned. Preferably, the positioning sleeve assembly 4 is rotatably arranged around the axis direction, and is driven to rotate in operation.
Specifically, in the present embodiment, there are three ejector pin assemblies 3 and three positioning sleeve assemblies 4, and the three ejector pin assemblies 3 and the three positioning sleeve assemblies 4 are arranged in pairs one to one while corresponding to the three positioning grooves 21 on the product conveying surface 2. The three positioning sleeve assemblies 4 are fixed on a movable plate 8, the movable plate 8 is in sliding connection with the frame 1 along the axis line of the superposition of the ejector rod assembly 3 and the positioning sleeve assemblies 4, and the movable plate 8 is connected with a linear driving device 6.
The rotation driving mechanism 5 may be composed of a motor and a timing belt mechanism, or may be another rotation driving device. The linear driving device 6 may be an air cylinder, and a linear motor, a motor and a screw nut mechanism or other various driving devices capable of outputting linear displacement may be adopted in practice.
In operation, as shown in fig. 2, the linear driving device 6 is started to drive the movable plate 8 to move towards the cylindrical product 10 on the product conveying surface 2, the positioning sleeve assembly 4 mounted on the movable plate 8 is then leaned against the cylindrical product 10, when the pressing acting end 421 of the pressing body 42 of the positioning sleeve assembly 4 contacts with the bottom (sealing end) of the cylindrical product 10 to be detected, the cylindrical product 10 to be detected is pushed to move towards the ejector rod assembly 3 side, so that the open end of the cylindrical product 10 contacts with the acting end face 311 (conical surface) of the ejector rod 31 of the ejector rod assembly 3, the elastic element 43 is compressed under the continuous pushing of the linear driving device 6, and the cylindrical product 10 is separated from the bottom of the positioning groove 21 of the product conveying surface 2 under the guiding action of the acting end face 311 (conical surface) and the guiding surface 4121, so as to be in a supporting state, and the state is shown in fig. 3; when the linear driving means 6 is pushed to a certain distance, it is stopped, and the bottom (sealing end) of the cylindrical product 10 is fitted into the positioning action hole section 412 of the outer jacket 41. Then, the rotation driving mechanism 5 is started, the ejector rod assembly 3 is driven to rotate by the synchronous belt synchronous wheel, and the cylindrical product 10 is acted by friction force with the ejector rod assembly 3 and rotates along with the ejector rod assembly 3, so that the photographing device can perform photographing detection.
When the detection is completed, the rotation driving mechanism 5 stops rotating, at this time, the vacuum generator 7 starts to work to generate negative pressure, the top pressing action end 421 of the top pressing body 42 adsorbs the cylindrical product 10, then the linear driving device 6 retreats and resets, namely drives the cylindrical product 10 to retreat, the elastic element 43 resets, the cylindrical product 10 is separated from the action end face 311 (conical surface) of the ejector rod assembly 3, when the linear driving device 6 retreats to the initial position to stop, the vacuum generator 7 stops working, the adsorption force at the bottom of the cylindrical product 10 disappears, and then the cylindrical product can naturally fall into the positioning groove 21 of the product conveying surface 2 under the action of gravity, at this time, as shown in fig. 4, the cylindrical product 10 is taken away by the product conveying surface 2 to enter the next detection station.
The embodiment has ingenious design, can furthest improve the switching time of products, and one product is inspected, and the next product is immediately carried out, so that the interval time is very short, and the speed and the efficiency of detection are improved.
The above embodiment is exemplified for a cylindrical product 10 having one end open, and is actually applicable to a cylindrical product having both ends open.
The above embodiments are examples, and in practice, the present invention includes the following modifications in addition to the preferred embodiments described above:
1. the positioning sleeve assembly 4 rotates relative to the frame 1, a rotary driving mechanism 5 is connected to the positioning sleeve assembly to drive the positioning sleeve assembly to rotate, the ejector rod assembly 3 slides relative to the frame 1, and a linear driving device 6 is acted on the positioning sleeve assembly to drive the positioning sleeve assembly to slide; in this solution, the ejector rod assembly 3 may be rotatably disposed around the axial direction, or may be a non-rotatable positioning arrangement, and the pressing acting end 421 of the pressing body 42 of the positioning sleeve assembly 4 does not need to be provided with a magnetic attraction device or a vacuum attraction structure 4211.
2. The positioning sleeve assembly 4 is fixed relative to the frame, and does not actively rotate or move; the ejector rod assembly 3 rotates relative to the frame 1, and is connected with a rotary driving mechanism 5 to drive the ejector rod assembly to rotate and slide relative to the frame 1, and a linear driving device 6 is acted on the ejector rod assembly to drive the ejector rod assembly 3 to slide, for example, a spline structure can be arranged between the ejector rod assembly 3 and the frame 1, in the scheme, a magnetic attraction device or a vacuum attraction structure 4211 is not needed to be arranged on the jacking acting end 421 of the jacking body 42 of the positioning sleeve assembly 4.
3. The ejector rod assembly 3 is fixed relative to the frame, and does not actively rotate or slide; the positioning sleeve assembly 4 rotates relative to the frame 1, and is connected with a rotation driving mechanism 5 to drive the positioning sleeve assembly to rotate and slide relative to the frame 1, and a linear driving device 6 is acted on the positioning sleeve assembly to drive the positioning sleeve assembly to translate, for example, a spline structure can be arranged between the positioning sleeve assembly 4 and the frame 1, and in the scheme, a magnetic attraction device or a vacuum attraction structure 4211 needs to be arranged on a top pressing acting end 421 of a top pressing body 42 of the positioning sleeve assembly 4.
4. The ejector rod assembly 3 and the positioning sleeve assembly 4 both rotate relative to the frame 1, a rotary driving mechanism 5 is connected to the ejector rod assembly and drives the ejector rod assembly to rotate, the ejector rod assembly and the positioning sleeve assembly slide relative to the frame 1, and a linear driving device 6 is acted on the linear driving mechanism to drive the linear driving device to translate, namely, the ejector rod assembly 3 and the positioning sleeve assembly 4 both move and rotate.
The scheme is the same conception, and the effect of improving the detection efficiency can be achieved.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (4)
1. A device for detecting the outer wall surface of a cylindrical product, wherein at least one end of the cylindrical product is an open end; the method is characterized in that: the cylindrical product outer wall surface detection device comprises a frame (1), a product conveying surface (2), a push rod assembly (3), a positioning sleeve assembly (4) and a camera device;
the product conveying surface (2) is flatly paved on the frame (1), one or more positioning grooves (21) for placing cylindrical products in a lying manner are arranged on the product conveying surface (2), and the cylindrical products (10) are positioned in the positioning grooves (21) in a lying manner during detection;
the ejector rod assembly (3) and the positioning sleeve assembly (4) are arranged on the frame (1) corresponding to the same positioning groove (21) on the product conveying surface (2), the ejector rod assembly (3) is positioned on the open end side of the cylindrical product (10) positioned by the positioning groove (21), and the positioning sleeve assembly (4) is positioned on the other end side;
the ejector rod assembly (3) comprises an ejector rod (31), one end of the ejector rod (31) facing to a cylindrical product (10) positioned by the positioning groove (21) is used as an ejector rod acting end, a circle of ejection guide surface (311) is arranged on the circumferential direction of the ejector rod acting end, and the projection of the ejection guide surface (311) on the axial section of the ejector rod (31) is a straight line or an outer convex arc line which forms an acute angle with the ejector rod axis, so that the ejector rod acting end is in a reduced end shape; the maximum diameter of the acting end of the ejector rod is larger than the diameter of the cylindrical product (10), and the ejection guide surface (311) is used for abutting against the open end of the cylindrical product (10) positioned by the positioning groove (21);
the positioning sleeve assembly (4) comprises an outer sleeve body (41), wherein the cylindrical product (10) positioned by the outer sleeve body (41) facing the positioning groove (21) is provided with an axial hole (411), one end of the cylindrical product (10) positioned by the axial hole (411) facing the positioning groove (21) is used as a positioning action hole section (412), the size of the positioning action hole section (412) is matched with the outer diameter of the cylindrical product (10), the bottom of the opening edge of the positioning action hole section (412) is provided with a guide surface (4121), a pressing body (42) is arranged in the axial hole (411) of the outer sleeve body (41), one end of the cylindrical product (10) positioned by the pressing body (42) facing the positioning groove (21) is used as a pressing action end (421), and the other end side of the pressing body is provided with an elastic element (43) or an air pressure cavity, and the acting force of the elastic element (43) or the air pressure cavity forces the pressing body (42) to move towards the cylindrical product (10) positioned by the positioning groove (21) to extend out of the outer sleeve body (41);
the axial lead of the outer sleeve body (41) of the positioning sleeve assembly (4) is overlapped with the axial lead of the ejector rod (31) of the ejector rod assembly (3), and the overlapped axial lead is higher than the axial lead of the cylindrical product (10) positioned by the positioning groove (21) but lower than the highest point of the inner wall of the cylindrical product (10) positioned by the positioning groove (21);
at least one of the ejector rod assembly (3) and the positioning sleeve assembly (4) rotates relative to the frame (1) by taking the coincident axial lead as a rotation central axis, and a rotation driving mechanism (5) is connected to drive the rotation of the ejector rod assembly and the positioning sleeve assembly; and at least one of the two shafts slides relative to the frame (1) along the overlapped axial lines, and a linear driving device (6) is acted on the two shafts to drive the two shafts to slide;
the camera device is correspondingly arranged on the positioning groove (21) corresponding to the ejector rod assembly (3) and the positioning sleeve assembly (4) and is used for shooting the cylindrical product (10) positioned by the positioning groove (21).
2. The apparatus for detecting an outer wall surface of a cylindrical product according to claim 1, wherein: a magnetic attraction device or a vacuum adsorption structure (4211) is arranged on the jacking action end (421) of the jacking body (42).
3. The apparatus for detecting an outer wall surface of a cylindrical product according to claim 1, wherein: the ejector rod assembly (3) rotates relative to the frame (1) by taking the coincident axial lead as a rotation central axis, a rotation driving mechanism (5) is connected to the ejector rod assembly for driving the ejector rod assembly to rotate, the positioning sleeve assembly (4) slides relative to the frame (1) along the coincident axial lead, and a linear driving device (6) is acted on the positioning sleeve assembly for driving the positioning sleeve assembly to slide; a magnetic attraction device or a vacuum adsorption structure (4211) is arranged on the jacking action end (421) of the jacking body (42).
4. The apparatus for detecting an outer wall surface of a cylindrical product according to claim 1, wherein: the top of the end of the outer sleeve body (41) provided with the positioning action hole section (412) is provided with a avoiding notch (4122) so that the positioning action hole section (412) is annular to expose the whole peripheral surface of the cylindrical product (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811345287.6A CN109254008B (en) | 2018-11-13 | 2018-11-13 | Outer wall surface detection device for cylindrical product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811345287.6A CN109254008B (en) | 2018-11-13 | 2018-11-13 | Outer wall surface detection device for cylindrical product |
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| CN109254008A CN109254008A (en) | 2019-01-22 |
| CN109254008B true CN109254008B (en) | 2024-01-23 |
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Citations (12)
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