CN112082516A - Detection device and detection method for straightness of connecting rod cracking groove - Google Patents
Detection device and detection method for straightness of connecting rod cracking groove Download PDFInfo
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- CN112082516A CN112082516A CN202010952901.6A CN202010952901A CN112082516A CN 112082516 A CN112082516 A CN 112082516A CN 202010952901 A CN202010952901 A CN 202010952901A CN 112082516 A CN112082516 A CN 112082516A
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- connecting rod
- straightness
- positioning
- light source
- detecting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to the technical field of connecting rod splitting tanks, and discloses a device and a method for detecting the straightness of a connecting rod splitting tank, wherein the device comprises a rack, a clamp mechanism and a detection mechanism, the clamp mechanism comprises a rotating disk arranged on the rack, a first positioning assembly used for positioning a connecting rod and a driving assembly used for driving the rotating disk to rotate, and the first positioning assembly is arranged on the rotating disk; the detection mechanism comprises a controller and two groups of industrial cameras located above the connecting rod, the two groups of industrial cameras are arranged on the rack, the two groups of industrial cameras are respectively used for shooting two cracking grooves of the connecting rod, and the two groups of industrial cameras are electrically connected with the controller. The detection device provided by the invention has higher accuracy, so that the detection efficiency is improved, and the processing efficiency is further improved.
Description
Technical Field
The invention relates to the technical field of connecting rod splitting grooves, in particular to a device and a method for detecting the straightness of a connecting rod splitting groove.
Background
In the connecting rod cracking processing technology, the geometric dimension and the position of a cracking groove are whether the connecting rod can meet the cracking requirement or not. The straightness of the cracking groove is an important size requirement whether the cracking groove can meet the cracking breaking or not, and the straightness of the cracking groove means that the cracking groove is perpendicular to the end face of the connecting rod big-end hole. When the cracking groove is not perpendicular to the end face of the connecting rod big-end hole, the cracking requirement is not met.
At present, the straightness of the cracking tank is usually detected by naked eyes of workers, the manual detection mode has low detection efficiency and low accuracy, so that the processing efficiency is low, and the time and labor cost are high.
Disclosure of Invention
The purpose of the invention is: the detection device and the detection method for the straightness of the connecting rod cracking groove have high accuracy, and can improve detection efficiency and machining efficiency.
In order to achieve the above object, the present invention provides a device for detecting the straightness of a splitting slot of a connecting rod, comprising: a frame; the clamping mechanism comprises a rotating disc arranged on the rack, a first positioning assembly used for positioning a connecting rod and a driving assembly driving the rotating disc to rotate, and the first positioning assembly is arranged on the rotating disc; detection mechanism, detection mechanism includes the controller and is located two sets of industry cameras of connecting rod top, two sets of industry camera all set up in the frame, it is two sets of industry camera is used for shooting respectively two schizolysis grooves of connecting rod, two sets of industry camera all with the controller electricity is connected.
Optionally, the detection mechanism further includes a light source, the light source is disposed on the rack, and the light source is used for irradiating the lysis trough.
Optionally, the detection mechanism further includes a light source adjuster, the light source adjuster is electrically connected to the light source, and the light source adjuster is configured to adjust the intensity of the light source.
Optionally, two sets of the industrial cameras are arranged opposite to each other.
Optionally, the included angle between the two groups of industrial cameras and the horizontal plane is 45 °.
Optionally, the fixture mechanism further includes a plurality of second positioning assemblies, the plurality of second positioning assemblies are disposed on the rotating disk, the first positioning assemblies and the second positioning assemblies are uniformly disposed and are in a circular array, and the driving assembly is electrically connected to the controller.
Optionally, the first positioning assembly includes a first fixture block and a second fixture block both disposed on the rotating disc, the first fixture block is used for positioning the big-end hole of the connecting rod, and the second fixture block is used for positioning the small-end hole of the connecting rod.
Optionally, the first positioning assembly and the second positioning assembly have the same structure.
The invention also provides a detection method of the detection device for the straightness of the connecting rod splitting slot, which comprises the following steps:
the method comprises the following steps: and the two groups of industrial cameras respectively acquire image data of the corresponding cracking tanks and send the image data to the controller.
Step two: and the controller acquires the gray information of the image data, performs filtering processing, and performs threshold processing to obtain the position characteristics of the two cracking tanks.
Step three: and the controller judges the straightness of the cracking tank according to the position characteristics.
The embodiment of the invention provides a device and a method for detecting the straightness of a connecting rod splitting slot, and compared with the prior art, the device and the method have the beneficial effects that:
the detection device for the straightness of the connecting rod splitting slot comprises: the automatic detection device comprises a frame, a clamp mechanism and a detection mechanism, wherein the clamp mechanism comprises a rotary disk arranged on the frame, a first positioning assembly used for positioning a connecting rod and a driving assembly used for driving the rotary disk to rotate, the first positioning assembly is arranged on the rotary disk, the detection mechanism comprises a controller and two sets of industrial cameras positioned above the connecting rod, the two sets of industrial cameras are arranged on the frame, the two sets of industrial cameras are respectively used for shooting two cracking grooves of the connecting rod, and the two sets of industrial cameras and the driving assembly are electrically connected with the controller. The connecting rod is placed on the first positioning assembly, the position of the connecting rod is limited, then the industrial camera acquires image data of two cracking grooves of the connecting rod, and after the image data are sent to the controller, the controller processes the data to judge the straightness of the cracking grooves. The detection mechanism has higher accuracy, and by adopting the structure, the detection efficiency can be improved, and the processing efficiency can be improved.
The detection method of the detection device for the straightness of the connecting rod cracking groove provided by the embodiment of the invention has higher accuracy, so that the detection efficiency is improved, and the processing efficiency is further improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is a schematic view of a part of the structure of a clamping mechanism according to an embodiment of the present invention.
FIG. 3 is a schematic structural view of a cleavage slot on a connecting rod according to an embodiment of the present invention.
Fig. 4 shows the linearity required by the embodiment of the present invention.
FIG. 5 shows the straightness of the cleavage grooves which are not the same straight line in the embodiment of the present invention.
In the figure, 1, a frame; 2. a clamp mechanism; 3. a detection mechanism; 4. a connecting rod; 5. a cracking tank; 6. a laser cutting head; 7. a push block; 21. rotating the disc; 22. a first positioning assembly; 23. a drive assembly; 24. a second positioning assembly; 221. a first clamping block; 222. a second fixture block; 31. an industrial camera; 32. a light source; 33. a light source regulator; 34. and a controller.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a device for detecting the straightness of a link splitting slot according to a preferred embodiment of the present invention includes a frame 1, a clamping mechanism 2, and a detecting mechanism 3.
The frame 1 plays a role in connecting and supporting the clamp mechanism 2 and the detection mechanism 3.
The clamping mechanism 2 comprises a rotating disc 21 arranged on the frame 1, a first positioning assembly 22 used for positioning the connecting rod 4 and a driving assembly 23 driving the rotating disc 21 to rotate, and the first positioning assembly 22 is arranged on the rotating disc 21. The connecting rod 4 is arranged on a first positioning component 22, and the first positioning component 22 can limit the position of the connecting rod 4. Drive assembly 23 can drive the rotation of rotary disk 21, and rotary disk 21 drives first locating component 22 rotatory, sets up like this, and drive assembly 23 can drive first locating component 22 to suitable position, is convenient for detect the normal clear of work.
In this embodiment, the detection mechanism 3 further comprises a light source 32, the light source 32 is disposed on the frame 1, and the light source 32 is used for illuminating the lysis trough 5. By means of the arrangement, the cracking groove 5 is polished, and the industrial camera 31 can acquire clear images conveniently. The detection mechanism 3 further includes a light source adjuster 33, the light source adjuster 33 is electrically connected to the light source 32, and the light source adjuster 33 is used for adjusting the intensity of the light source 32. The light source adjuster 33 adjusts the brightness of the light source 32, which is convenient for the industrial camera 31 to focus, and is more beneficial for the industrial camera 31 to shoot clear images. Since the two cleavage slots 5 on the link 4 are oppositely disposed, the two sets of industrial cameras 31 are oppositely disposed to each other in correspondence thereto. In addition, in the using process, when the included angles between the two groups of industrial cameras 31 and the horizontal plane are 45 degrees, clear images can be obtained, and the image data can be processed by the subsequent controller 4.
In addition, the fixture mechanism 2 further includes a plurality of second positioning assemblies 24, the number of the second positioning assemblies 24 is plural, the plurality of first positioning assemblies 22 are disposed on the rotating disk 21, the first positioning assemblies 22 and the second positioning assemblies 24 are uniformly disposed and are in a circular array, and the driving assembly 23 is electrically connected with the controller 4. The connecting rod 4 to be detected can be placed on the second positioning component 24, the driving component 23 drives the rotating disk 21 to rotate, and the position of the second positioning component 24 is changed to the position of the first positioning component 22, in other words, the second positioning component 24 is the first positioning component 22, and the original first positioning component 22 is rotated to become the second positioning component 24. After rotating, the connecting rod 4 is shot and detected by the industrial camera 31, when the detection result is qualified, the driving assembly 23 rotates the rotating disc 21, the connecting rod 4 is driven, and the feeding and discharging of the connecting rod 4 can be facilitated.
The first positioning assembly 22 includes a first fixture 221 and a second fixture 222 both disposed on the rotating disc 21, the first fixture 221 is used for positioning the big-end hole of the connecting rod 4, and the second fixture 222 is used for positioning the small-end hole of the connecting rod 4. The first latch 221 and the second latch 222 cooperate to restrict the position of the link 4. The first fixture block 221 and the second fixture block 222 are both trapezoidal blocks, and two ends of the bottom edge of each trapezoidal block can be clamped on the inner wall of the large-head hole or the small-head hole to limit the position of the connecting rod 4. In this embodiment, the first positioning assembly 22 and the second positioning assembly 24 are identical in structure.
Of course, the device for detecting the straightness of the link splitting slot of the embodiment may also be a device integrating processing and detection of the splitting slot 5. Specifically, the laser cutting head 6 is arranged above the rotating disc 21, the corresponding positioning component below the laser cutting head 6 is marked as a processing position, and the positioning component below the detection mechanism 3 is marked as a detection position. At this time, the total number of the first positioning assemblies 22 and the second positioning assemblies 24 is not less than three. The connecting rod 4 of the unprocessed cracking slot 5 is placed on a second positioning assembly 24 which is neither a processing position nor a detection position, a driving assembly 23 drives the rotating disc 21 to rotate, the connecting rod 4 is rotated to a processing position, and the laser cutting head 6 cuts the cracking slot 5 on the connecting rod 4. The laser cutting head 6 can be set to be 1, and the connecting rod 4 is cut twice to process two cracking grooves 5. In order to ensure the processing quality, a pushing block 7 can be arranged, a cylinder or an oil cylinder is arranged to drive the pushing block 7, the pushing block 7 is pushed onto the connecting rod 4 before the cracking groove 5 is processed, the pushing block 7 tightly abuts against the connecting rod 4, the connecting rod 4 is prevented from being displaced during processing, and the processing quality of the cracking groove 5 is ensured. After the connecting rod 4 is processed into the two cracking grooves 5, the driving assembly 23 drives the rotating disc 21 to rotate, the connecting rod 4 enters the detection position, the detection mechanism 3 detects the cracking groove 5 just processed by the connecting rod 4, if the detection is qualified, the driving assembly 23 drives the rotating disc 21 to rotate, the connecting rod 4 leaves the detection position so as to be conveniently taken down, and if the detection is unqualified, the detection device for the straightness of the connecting rod cracking groove stops working. Of course, more positioning assemblies may be provided, such as eight positioning assemblies in the embodiment, provided for the first positioning assembly 22 and the second positioning assembly 24, so as to further improve the working efficiency.
The embodiment also provides a detection method of the device for detecting the straightness of the connecting rod splitting slot, which comprises the following steps:
the method comprises the following steps: the two groups of industrial cameras 31 respectively acquire image data of the respective corresponding lysis tanks 5 and send the image data to the controller 4.
Step two: the controller 4 acquires the gray information of the image data, then performs filtering processing, and performs threshold processing to obtain the position characteristics of the two cracking tanks 5.
Step three: the controller 4 judges the straightness of the cracking tank 5 according to the position characteristics. In the judgment process, whether the cracking tanks 5 are in the same straight line or not can be judged through operator operation. Fig. 5 shows the situation that the cracking grooves are not in the same straight line, and whether the extending direction of the cracking groove 5 is perpendicular to the straight line where the end face is located needs to be judged, if all the conditions are met, as shown in fig. 4, the processing requirements are met.
In summary, the embodiment of the invention provides a device and a method for detecting the straightness of a connecting rod splitting slot, which have high accuracy, thereby improving the detection efficiency and further improving the processing efficiency.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a detection apparatus for connecting rod schizolysis groove straightness accuracy which characterized in that includes:
a frame;
the clamping mechanism comprises a rotating disc arranged on the rack, a first positioning assembly used for positioning a connecting rod and a driving assembly driving the rotating disc to rotate, and the first positioning assembly is arranged on the rotating disc;
detection mechanism, detection mechanism includes the controller and is located two sets of industry cameras of connecting rod top, two sets of industry camera all set up in the frame, it is two sets of industry camera is used for shooting respectively two schizolysis grooves of connecting rod, two sets of industry camera all with the controller electricity is connected.
2. The apparatus for detecting the straightness of a splitting slot of a connecting rod as claimed in claim 1, wherein the detection mechanism further comprises a light source, the light source is disposed on the frame, and the light source is used for illuminating the splitting slot.
3. The apparatus for detecting the straightness of a splitting slot of a connecting rod as claimed in claim 2, wherein the detection mechanism further comprises a light source adjuster, the light source adjuster is electrically connected to the light source, and the light source adjuster is used for adjusting the intensity of the light source.
4. The apparatus for detecting the straightness of a cleavage slot of a connecting rod according to claim 1, wherein the two sets of industrial cameras are disposed opposite to each other.
5. The apparatus for detecting the straightness of a splitting slot of a connecting rod as claimed in claim 4, wherein the two sets of industrial cameras are both at an angle of 45 ° to the horizontal plane.
6. The apparatus for detecting the straightness of a connecting rod splitting slot according to claim 1, wherein the clamping mechanism further comprises a plurality of second positioning assemblies, a plurality of first positioning assemblies are disposed on the rotating disc, the first positioning assemblies and the second positioning assemblies are uniformly arranged and are in a circular array, and the driving assembly is electrically connected to the controller.
7. The apparatus for detecting the straightness of a splitting slot of a connecting rod as claimed in claim 6, wherein the first positioning assembly comprises a first fixture block and a second fixture block both disposed on the rotating disc, the first fixture block is used for positioning a big-end hole of the connecting rod, and the second fixture block is used for positioning a small-end hole of the connecting rod.
8. The apparatus for detecting the straightness of a splitting slot of a connecting rod as defined in claim 6, wherein the first positioning member and the second positioning member are identical in structure.
9. A detection method of a device for detecting the straightness of a connecting rod splitting slot is characterized by comprising the following steps:
the method comprises the following steps: the two groups of industrial cameras respectively acquire image data of corresponding cracking tanks and send the image data to the controller;
step two: the controller acquires gray information of the image data, then carries out filtering processing, and then carries out threshold processing to obtain the position characteristics of the two cracking tanks;
step three: and the controller judges the straightness of the cracking tank according to the position characteristics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952901.6A CN112082516A (en) | 2020-09-11 | 2020-09-11 | Detection device and detection method for straightness of connecting rod cracking groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952901.6A CN112082516A (en) | 2020-09-11 | 2020-09-11 | Detection device and detection method for straightness of connecting rod cracking groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112082516A true CN112082516A (en) | 2020-12-15 |
Family
ID=73737448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010952901.6A Pending CN112082516A (en) | 2020-09-11 | 2020-09-11 | Detection device and detection method for straightness of connecting rod cracking groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112082516A (en) |
-
2020
- 2020-09-11 CN CN202010952901.6A patent/CN112082516A/en active Pending
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