CN114001693A - Automatic detection device and detection method for camber of long plate - Google Patents
Automatic detection device and detection method for camber of long plate Download PDFInfo
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- CN114001693A CN114001693A CN202111231672.XA CN202111231672A CN114001693A CN 114001693 A CN114001693 A CN 114001693A CN 202111231672 A CN202111231672 A CN 202111231672A CN 114001693 A CN114001693 A CN 114001693A
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- 238000001514 detection method Methods 0.000 title claims abstract description 85
- 230000005540 biological transmission Effects 0.000 claims abstract description 68
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- 238000007689 inspection Methods 0.000 abstract description 2
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- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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Abstract
The application relates to the technical field of metal plate detection, and particularly discloses a long plate camber automatic detection device and a detection method, wherein the long plate camber automatic detection device comprises a support frame, a transmission mechanism and a detection assembly; the transmission mechanism is arranged on the support frame and can drive the plate to move at a constant speed along the length direction of the plate; the detection assembly is arranged on the support frame and is fixedly connected with the support frame, and is used for measuring the distance between the side edge of the plate and the detection assembly and simulating a curved side edge curve of the sickle of the plate. This application has been solved among the prior art artifical use fish tape method to measure hook curve data and has caused length consuming time, and it causes the technical problem that measures inaccurately and can't accomplish to examine entirely to receive subjective factor, has realized the online automated inspection hook curve data of not shutting down, measures accurate and can accomplish the purpose of examining entirely.
Description
Technical Field
The application relates to the technical field of metal plate detection, in particular to a long plate camber automatic detection device and a detection method.
Background
After the steel coil is cut into strips by the slitting machine set, a certain bending is usually generated, the bending is called as 'camber' in the industry, and particularly, the camber is more serious when the steel coil is a steel plate with narrow width and long length direction. The camber of the steel plate is also called as edge curve, represents the lateral bending degree of the edge of the steel plate and is an important index for evaluating the quality of the steel plate, and the camber refers to the maximum distance between the side edges of the steel plate and the steel belt and a straight line connecting two end points of a measuring part, namely the deviation between the edge of one side of the steel belt and the straight line, and is measured on the side of the product in a concave shape. In the production process of the steel strip, due to the reasons of internal stress release, correction devices, disc shear adjustment and the like, the camber phenomenon of the steel strip is generated in the edge shearing process, but the camber of the steel plate has a crucial influence on the performance of the steel plate, and if the camber of the steel plate exceeds a specified standard, the loss of waste inferior-quality products in application is increased, so that each steel production enterprise strictly controls the camber of the steel plate.
When the camber of a common steel plate is measured, the measurement length of the plate reaches more than 2500mm, the camber value is unequal from 0.5mm to 10mm, the camber of some plates with low shearing quality even reaches more than 10mm, and products such as commercial vehicle large beam plates and the like which have special requirements on the camber are judged to be unqualified products and need to be straightened for the second time when the camber reaches more than 4 mm.
At present, the camber data are detected manually by using a fish line method, but the method firstly needs detection personnel to find out the highest point of the camber by naked eyes, then measures specific data by using a steel plate ruler, has larger subjective factors, has longer time for detecting one steel plate, generally needs about 2 minutes each time, and cannot realize full detection by adopting manual detection.
Disclosure of Invention
This application is through providing a long sheet material camber automatic checkout device and detection method, and it causes long consuming time to have solved among the prior art artifical use fish tape method to measure camber data, and it causes the technical problem that measures inaccurately and can't accomplish to examine entirely to receive subjective factor, has realized the online automated inspection camber data of not shutting down, measures accurate and can accomplish the purpose of examining entirely.
In a first aspect, the application provides an automatic detection device for camber of a long plate, which comprises a support frame, a transmission mechanism and a detection assembly; the transmission mechanism is arranged on the support frame and can drive the plate to move along the length direction of the transmission mechanism; the detection assembly is arranged on the support frame and is fixedly connected with the support frame, and the detection assembly is used for measuring the distance between the side edge of the plate material and the detection assembly and simulating a curved side edge curve of the plate material sickle.
With reference to the first aspect, in one possible implementation, the transmission mechanism includes a power section and a plurality of transmission roller assemblies; the transmission roller assemblies are arranged on the supporting frame at intervals along the length direction of the supporting frame and are connected with the supporting frame; the power portion set up in support frame one side, just the output of power portion is with a plurality of the tip transmission of driving roller subassembly is connected, can drive a plurality ofly the synchronous rotation of driving roller subassembly.
With reference to the first aspect, in one possible implementation manner, the driving roller assembly includes a driving roller and a double-row wheel; two ends of the transmission roller are respectively arranged on the support frame and are rotationally connected with the support frame; one end of the transmission roller extends out of the support frame and is fixedly connected with the double-row wheels; the adjacent double-row wheels are in transmission connection; one of the double-row wheels is connected with the output end of the power part and can be driven by the power part to rotate.
With reference to the first aspect, in one possible implementation, the power section includes a driving member and a plurality of transmission links; the transmission connecting pieces are respectively staggered and connected in series and are in transmission connection among the double-row wheels; the output end of the driving piece is connected with one of the double-row wheels, and the double-row wheels are driven to synchronously rotate under the transmission action of the plurality of transmission connecting pieces.
With reference to the first aspect, in one possible implementation manner, the detection component includes a displacement sensor and a control system; the displacement sensor is arranged on the support frame and is electrically connected with the control system; the height of the detection end of the displacement sensor is flush with the height of the plate.
With reference to the first aspect, in a possible implementation manner, the apparatus further includes a press roll assembly and a lifting portion; the lifting part is arranged on the support frame and is close to the detection assembly, the output end of the lifting part is connected with the two ends of the compression roller assembly, and the compression roller assembly can be driven to do lifting motion.
With reference to the first aspect, in one possible implementation manner, the compression roller assembly includes a compression roller and two supporting seats; the two supporting seats are arranged at two ends of the compression roller and are rotationally connected with two ends of the compression roller; the output end of the lifting part is fixedly connected with the two supporting seats.
In a second aspect, the application provides a detection method of an automatic detection device for camber of a long plate, comprising the following steps:
placing the plate on a transmission mechanism, and controlling the transmission mechanism to act to drive the plate to move at a constant speed along the length direction of the plate;
enabling the side edge of the plate to pass through the detection assembly in the process of uniform motion of the plate;
sequentially measuring the distance between each point on the side edge of the plate and the detection assembly through the detection assembly;
processing the measured distance value, setting the position of the measuring end of the detection assembly to be O, setting the positions of two end points of the sickle-bend side edge of the plate to be A, B respectively, and setting the measuring points between the two end points A, B of the sickle-bend side edge of the plate to be A respectively1、A2…Am…AnWherein n is greater than m, AmSetting a for the maximum value point of the depth offset of the camber side of the plate1、a2…am…anRespectively the depth offset of the camber side of the plate, a1＝OA1-OA,a2＝OA2-OA,…am＝OAm-OA…an＝OAnOA, finally, the detection component pairs the processed data a1、a2…am…anAnd simulating to obtain the camber side curve of the sheet, and obtaining the camber value of the sheet, thereby judging whether the camber data of the sheet meets the standard.
One or more technical solutions provided in the present application have at least the following technical effects or advantages:
the device is provided with a support frame, a transmission mechanism and a detection assembly; the transmission mechanism is arranged on the support frame, so that the plate can be driven to move along the length direction of the plate; the detecting assembly is arranged on the supporting frame and is fixedly connected with the supporting frame, the distance between the side edge of the plate and the detecting assembly is measured in the plate moving process, the curve of the side edge of the plate is simulated to be a camber side edge curve, camber data can be automatically and accurately detected on line without stopping, and labor and time are saved. The technical problems that in the prior art, the length is consumed for measuring the camber data by manually using a fish line method, the measurement is inaccurate due to subjective factors, and the full detection cannot be realized are effectively solved, the camber data can be automatically detected on line without stopping, the measurement is accurate, and the full detection can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present invention or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a top view of an automatic detecting device for camber of a long sheet material according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a displacement sensor, an end point of a curved side edge of a sheet metal sickle, and a convex point provided in the embodiment of the present application;
fig. 3 is a top view of the automatic detection device for camber of long sheet material provided in the embodiment of the present application after an anti-offset structure is added;
FIG. 4 is a front view of an anti-shift structure, a support frame, a displacement sensor, a driving roller and a pressing roller provided in an embodiment of the present disclosure;
FIG. 5 is a front view of a lifting section and a platen assembly provided in an embodiment of the present application;
FIG. 6 is a top view of a slab provided by an embodiment of the present application;
FIG. 7 is a top view of a sickle-curved side edge point A of a plate moving between a first baffle and a second baffle according to an embodiment of the present application;
figure 8 is a top view of the sickle-curved side edge point a of the slab moving into contact with the first baffle according to the embodiment of the present application.
Reference numerals: 1-a support frame; 2-a transmission mechanism; 21-a power section; 211-a drive member; 212-a drive connection; 22-a drive roll assembly; 221-driving rollers; 222-double row wheels; 3-a detection component; 31-a displacement sensor; 32-a control system; 4-plate material; 5-a press roll assembly; 51-a press roll; 52-a support base; 6-a lifting part; 7-an anti-migration structure; 71-a first baffle; 72-a second baffle; 73-a third baffle; 74-a spring; 75-guide bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
Referring to fig. 1, the automatic detection device for the camber of a long plate provided by the embodiment of the application comprises a support frame 1, a transmission mechanism 2 and a detection assembly 3; the transmission mechanism 2 is arranged on the support frame 1 and can drive the plate 4 to move along the length direction of the plate; the detection assembly 3 is arranged on the support frame 1, is fixedly connected with the support frame 1, and is used for measuring the distance between the side edge of the camber of the sheet material 4 and the detection assembly 3 and simulating a camber side edge curve of the sheet material 4. Support drive mechanism 2 through support frame 1 in the embodiment of this application, thereby place sheet material 4 and rotate through control drive mechanism 2 on drive mechanism 2 and can drive sheet material 4 and remove along the length direction of self, detecting component 3 sets up the one side at support frame 1, the camber side of sheet material 4 sets up with detecting component 3 relatively, when sheet material 4 when removing in-process through detecting component 3, through the distance between detecting component 3 and the side of detecting component 3 automatic measurement camber and the automatic simulation of 4 camber side curves of sheet material, thereby accurately measure camber data.
Referring to fig. 1, the transmission mechanism 2 includes a power section 21 and a plurality of transmission roller assemblies 22; the plurality of driving roller assemblies 22 are arranged at intervals on the support frame 1 along the length direction of the support frame 1 and are connected with the support frame 1; power portion 21 sets up in support frame 1 one side, and the output of power portion 21 is connected with the tip transmission of a plurality of driving roller subassembly 22, can drive a plurality of driving roller subassemblies 22 synchronous rotation. Thereby drive a plurality of driving roller assembly 22 synchronous rotation through control power portion 21 in this application embodiment, and then drive sheet metal 4 and remove along the length direction of self.
Referring to fig. 1, the driving roller assembly 22 includes a driving roller 221 and a double pulley 222; two ends of the driving roller 221 are respectively arranged on the support frame 1 and are rotatably connected with the support frame 1; one end of the driving roller 221 extends out of the support frame 1 and is fixedly connected with a double-row wheel 222; the adjacent double-row wheels 222 are in transmission connection; one of the double-row wheels 222 is connected with the output end of the power portion 21 and can be driven by the power portion 21 to rotate. In the embodiment of the present application, the bearing is cup jointed at drive roller 221 both ends and is connected in the top surface of support frame 1 through the bearing frame, it can rotate for support frame 1 to realize drive roller 221, double sprocket is chooseed for use to double sprocket 222, staggered drive is connected with drive connecting piece 212 between the adjacent double sprocket, double sprocket cup joints the tip that drive roller 221 stretched out support frame 1 and with drive roller 221's tip fixed connection, thereby can drive a plurality of double sprocket syntropy and synchronous rotation through control power portion 21, and then can drive a plurality of drive roller 221 syntropy and synchronous rotation, finally drive sheet material 4 and remove along the length direction of self on drive roller 221.
Referring to fig. 1, the power part 21 includes a driving member 211 and a plurality of transmission links 212; the plurality of transmission connecting pieces 212 are respectively staggered and connected in series and in transmission between the plurality of double-row wheels 222; the output end of the driving member 211 is connected to one of the dual-row wheels 222, and the multiple dual-row wheels 222 are driven to rotate synchronously by the driving action of the multiple driving connectors 212. In the embodiment of the application, the transmission connecting piece 212 selects a transmission chain, two adjacent double-row chain wheels are in transmission engagement connection through the transmission chain, the transmission chains are respectively staggered and connected in series and are in transmission engagement connection between the double-row chain wheels, the driving piece 211 selects a motor, the output end of the motor is fixedly connected with a gear, the gear is arranged between the two adjacent double-row chain wheels and is in transmission engagement connection with the transmission chain, and the gear is driven to rotate by controlling the rotation of the motor so as to drive the multiple double-row chain wheels to synchronously rotate; in the embodiment of the application, the output end of the motor can also be directly and fixedly connected with the end part of one of the double-row chains, the double-row chain wheel connected with the motor can be driven to rotate by controlling the rotation of the motor, and finally the double-row chain wheels and the transmission rollers 221 are driven to synchronously rotate by the transmission action of the transmission chains; in the embodiment of the application, the motor can also be a servo motor or a motor with a speed reducer, so that the speed of the driving roller 221 driving the plate 4 to move can be reasonably controlled; in the embodiment of the present invention, the dual-row pulley 222 may also be a dual-row pulley, and accordingly, the transmission connecting member 212 is a belt, and the plurality of transmission rollers 221 are synchronously rotated in the same direction by connecting the belt to the adjacent dual-row pulley in a staggered and serial transmission manner.
Referring to fig. 1, the detection assembly 3 comprises a displacement sensor 31 and a control system 32; the displacement sensor 31 is arranged on the support frame 1 and is electrically connected with the control system 32; the height of the detection end of the displacement sensor 31 is flush with the height of the plate 4. In the embodiment of the application, when the sheet material 4 moves to the position of the displacement sensor 31, the detection end of the displacement sensor 31 can directly detect the side edge of the camber of the sheet material 4, so that the distance between the displacement sensor 31 and the side edge of the camber of the sheet material 4 can be directly obtained, the displacement sensor 31 synchronously sends the detected data to the control system 32, and the camber side curve of the sheet material 4 can be synchronously simulated through the control system 32, so that the camber data of the sheet material 4 can be accurately measured.
Referring to fig. 1 and 5, the automatic detection device for camber of a long sheet material provided by the embodiment of the present application further includes a pressing roller assembly 5 and a lifting portion 6; lifting unit 6 sets up in support frame 1 and is close to detection subassembly 3, and lifting unit 6's output is connected with compression roller assembly 5's both ends, can drive compression roller assembly 5 and do elevating movement. The purpose of arranging the compression roller assembly 5 and the lifting part 6 in the embodiment of the application is to avoid the situation that detection data is lost due to the fact that the side edge of the camber of the sheet material 4 cannot be detected by the displacement sensor 31 as the sheet material 4 shakes up and down in the moving process; the compression roller assembly 5 and the lifting part 6 are arranged at positions close to the detection assembly 3, the lifting part 6 is controlled to drive the compression roller assembly 5 to move up and down before detection, the height of the compression roller assembly 5 is adjusted according to the thickness of the sheet material 4 to be detected, so that the sheet material 4 can pass through a gap between the compression roller assembly 5 and the transmission roller 221, namely, when the sheet material 4 moves to one end and extends into the gap between the compression roller assembly 5 and the transmission roller 221 and passes through the gap, the part of the sheet material 4 passing through can be directly measured by the displacement sensor 31, so that the part of the sheet material 4 at the position of the displacement sensor 31 does not shake in the movement measurement process, and therefore, after the sheet material 4 moves to all pass through the gap between the compression roller assembly 5 and the transmission roller 221, the displacement sensor 31 collects all camber side data of the sheet material 4, and the condition of lacking detection data is avoided, the detection precision is further improved.
Referring to fig. 1 and 5, the pressing roller assembly 5 includes a pressing roller 51 and two supporting seats 52; the two supporting seats 52 are arranged at two ends of the press roll 51 and are rotatably connected with two ends of the press roll 51; the output end of the lifting part 6 is fixedly connected with two supporting seats 52. In the embodiment of the application, the lifting part 6 adopts an air cylinder, the cylinder body of the air cylinder is fixedly connected to the support frame 1, the end part of the piston rod of the air cylinder is fixedly connected with the support seat 52, a bearing is arranged in the support seat 52, two ends of the compression roller 51 penetrate through the bearing and are rotatably connected with the bearing, and the air cylinder is controlled to drive the compression roller 51 to lift so as to adjust the height of the compression roller 51; in the embodiment of the present application, the lifting portion 6 may also select a push rod motor or a spiral lifting motor, wherein the lifting portion 6 adjusts the lifting height thereof according to the thickness of the sheet material 4, and finally drives the pressing roller 51 to descend and stop without generating a downward positive pressure on the sheet material 4, i.e., the sheet material 4 does not interfere with the movement of the horizontal direction thereof when passing under the pressing roller 51.
The plate shape reflects the integral straight condition of the plate and strip, and because the environmental condition of the strip steel in the rolling process is very complex, the factors influencing the plate shape, such as temperature, rolling force, roller bending force, strip steel length and the like, are many, and the defect of the plate shape is easily generated due to poor control or poor control method. It is believed that the plate defects are caused by the non-uniform elongation of the longitudinal fibers in the width direction of the strip, and the more elongated portion is forced to be compressed and the less elongated portion is forced to be pulled, which is essentially the non-uniform distribution of residual stress in the strip. The camber results from the asymmetric uneven extension. Many factors are involved in and influence the camber, including the thickness and width of the slab itself, the slab temperature, roll levelness, roll reduction, housing and bearing clearances, cooling water and water cutting plates, inlet and outlet side guides, clearances and levelness, etc. The camber countermeasure and improvement measures comprise the steps of improving the setting precision of a computer model, improving the manufacturing and grinding precision of a roller, adopting a balance mode of reduction rate distribution, improving the temperature condition of strip steel, adjusting lining plates of a frame window and lining plates of bearing seats of the roller, using a deviation control technology, a deviation detection device and the like, so that the embodiment of the application further provides the following countermeasures aiming at the possible deviation phenomenon of the strip steel in the transportation process.
Referring to fig. 3, 4 and 6, the automatic detection device for camber of long sheet material provided in the embodiment of the present application further includes an anti-shift structure 7, the anti-shift structure 7 includes a first baffle 71, a second baffle 72 and a third baffle 73, the first baffle 71 and the second baffle 72 are disposed along a length direction of the support frame 1 and are located on a same plane, the first baffle 71 is located on one side of the detection assembly 3, the second baffle 72 is located on a side of the pressing roller 51 away from the detection assembly 3, the third baffle 73 is disposed along the length direction of the support frame 1 and is parallel to the second baffle 72, the plurality of driving rollers 221 all penetrate through the first baffle 71, the second baffle 72 and the third baffle 73 and do not interfere with the first baffle 71, the second baffle 72 and the third baffle 73, a distance between the second baffle 72 and the third baffle 73 is equal to a maximum width L of the sheet material 4 in a width direction thereof, and the first baffle 71, the second baffle 72, the third baffle 73, and the second baffle 73 are disposed, The second baffle plate 72 and the third baffle plate 73 enable two end points A, B of the side edge of the sickle curve and a convex point C deviating from the side edge of the sickle curve to be respectively contacted with the first baffle plate 71, the second baffle plate 72 and the third baffle plate 73 in the moving process of the plate 4, namely the three points are contacted with the first baffle plate 71, the second baffle plate 72 and the third baffle plate 73 through A, B and C, so that the plate 4 has a guiding function in the moving process, and the phenomenon that the plate 4 deviates in the width direction in the moving process is prevented. In the embodiment of the present application, it is further considered that, due to the different positions of the salient points C of the different sickle-bent plates 4, even the same batch of plates 4 may have differences in width, because the embodiment of the present application further provides that the bottom ends of the first baffle 71 and the second baffle 72 are fixedly connected to the ground, the bottom end of the third baffle 73 does not contact with the ground, a spring 74 and a guide rod 75 are disposed between the third baffle 73 and the support frame 1, one end of the guide rod 75 is fixedly connected to the inner side surface of the support frame 1, the other end of the guide rod 75 penetrates through the third baffle 73 and is slidably connected with the third baffle 73, the spring 74 slightly presses the third baffle 73, so that when the different sickle-bent plates 4 enter the channel formed by the third baffle 73 and the second baffle 72, after the salient points C contact the third baffle 73, the third baffle 73 can be continuously pressed in the movement process, the distance between the third baffle 73 and the second baffle 72 can be adjusted in a self-adaptive manner, so that the guiding transportation of the plate 4 with different camber is met, the plate 4 is not deviated in the width direction, and finally the plate 4 cannot swing in the up-and-down direction under the cooperation of the compression roller 51, so that the detection precision of the camber data of the plate 4 is further improved.
Referring to fig. 7 and 8, in addition, it is to be noted that in the design of the anti-shift structure 7 provided in this embodiment of the present application, when the end point a of the sickle-curved side of the sheet material 4 passes through the space between the second baffle 72 and the first baffle 71, because the end point a of the sickle-curved side of the sheet material 4 does not contact with the second baffle 72 or the first baffle 71 at this time, only the end point B of the sickle-curved side of the sheet material 4 contacts with the second baffle 72 at this time, if the salient point C of the sheet material 4 contacts with the third baffle 73 at this time, the extrusion force of the third baffle 73 may be received, at this time, the shift of the end point a of the sickle-curved side of the sheet material 4 to the width direction of the sheet material 4 may occur, and then the sheet material 4 is clamped between the first baffle 71 and the second baffle 72, therefore, in the present application, when actually designing, the projection distance of the connecting line between the end point D of the end point of the first baffle 71 close to the second baffle 72 and the end point E of the third baffle 73 close to the second baffle 72 in the moving direction of the sheet material 4 is smaller than the end point of the end point E of the end point of the second baffle 72 is smaller than the end point of the 4 The projection distance of a connecting line between the A and the salient point C in the moving direction of the plate 4 is that when the end point A of the sickle-bent side edge of the plate 4 moves to a position between the first baffle plate 71 and the second baffle plate 72, the salient point C is not in contact with the third baffle plate 73, so that the plate 4 cannot be extruded by the third baffle plate 73, when the end point A of the sickle-bent side edge of the plate 4 moves to a channel formed by the first baffle plate 71 and the third baffle plate 73, namely the end point A is in contact with the first baffle plate 71, the salient point C is in contact with the third baffle plate 73, the salient point C is extruded by the third baffle plate 73, and as the end point A and the end point B of the sickle-bent side edge of the plate 4 are in contact with the first baffle plate 71 and the second baffle plate 72 respectively, the stable guiding effect is realized under the condition that the three points A, B, C of the plate 4 are stably stressed, so that the accurate measurement of the sickle-bent side edge data of the plate 4 is realized by the displacement sensor 31 under the stable guiding effect, the measurement accuracy is further improved.
The application embodiment provides a long sheet material camber automatic checkout device increases the theory of operation behind anti-migration structure 7 and does: firstly, a sheet material 4 is placed on a driving roller 221, the sheet material 4 is integrally positioned in a channel formed by a third baffle plate 73 and a second baffle plate 72, meanwhile, end points A and B of the sickle-bent side edge of the sheet material 4 are both contacted with the second baffle plate 72, then a motor is controlled to rotate, the driving roller 221 is further driven to rotate, so that the sheet material 4 moves at a constant speed in the direction of a displacement sensor 31, when the end point A of the sickle-bent side edge of the sheet material 4 moves to a position between the first baffle plate 71 and the second baffle plate 72, a salient point C is not contacted with the third baffle plate 73, when the end point A moves to be contacted with the first baffle plate 71, then the salient point C moves to be contacted with the third baffle plate 73, the third baffle plate 73 extrudes the salient point C, meanwhile, the end points A and B respectively extrude the first baffle plate 71 and the second baffle plate 72, and the sheet material 4 stably realizes a guiding function under the action of stable stress of the end points A, B and the salient point C, and synchronously measuring the data of the camber side of the plate 4 by a displacement sensor 31, and finally simulating the camber side curve of the plate 4 by a control system 32.
Referring to fig. 2, a detection method of an automatic detection device for camber of a long sheet material provided in an embodiment of the present application includes:
placing the sheet material 4 on the transmission mechanism 2, and controlling the transmission mechanism 2 to act to drive the sheet material 4 to move at a constant speed along the length direction of the sheet material 4; in the first step of the embodiment of the present application, the sheet material 4 is placed on the plurality of driving rollers 221, and the plurality of driving rollers 221 are driven to rotate synchronously by controlling the motor to rotate at a constant speed, so that the sheet material 4 moves at a constant speed along the length direction of the sheet material 4;
in the process of uniform motion of the sheet material 4, the side edge of the camber of the sheet material 4 passes through the detection component 3; in the second step of the embodiment of the application, the sheet material 4 moves at a constant speed and the sickle-curve side edges of the sheet material sequentially pass through the displacement sensor 31 for detection;
sequentially measuring the distance between each point on the side edge of the camber of the plate 4 and the detection assembly 3 through the detection assembly 3; in the third step of the embodiment of the application, the distance between each point on the side edge of the camber of the plate 4 and the detection assembly 3 can be measured in sequence through the sensor by the uniform motion of the plate 4.
Processing the measured distance value, setting the position of the measuring end of the detection assembly 3 to be O, setting the positions of two end points of the sickle-bend side edge of the plate 4 to be A, B respectively, and setting the measuring point between the two end points A, B of the sickle-bend side edge of the plate 4 to be A respectively1、A2…Am…AnWherein n is greater than m and Am is a plate material4 the maximum value point of the depth offset of the side edge of the sickle curve is set as a1、a2…am…anRespectively the depth offset of 4 sickle-bent side edges of the plate material, a1＝OA1-OA,a2＝OA2-OA,…am＝OAm-OA…an＝OAnOA, finally, the detection component 3 pairs the processed data a1、a2…am…anAnd simulating to obtain the curve of the side edge of the camber of the plate 4, thereby obtaining and judging whether the data of the camber of the plate 4 meet the standard.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.
Claims (8)
1. An automatic detection device for camber of a long plate is characterized by comprising a support frame (1), a transmission mechanism (2) and a detection assembly (3);
the transmission mechanism (2) is arranged on the support frame (1) and can drive the plate (4) to move along the length direction of the plate (4);
detection component (3) set up in support frame (1), and with support frame (1) fixed connection is used for measuring the side of sheet material (4) with distance between detection component (3) simulates into sheet material (4) hook crimp curve.
2. The automatic detection device of camber of long sheets of material according to claim 1, characterized in that said transmission mechanism (2) comprises a power section (21) and a plurality of transmission roller assemblies (22);
the plurality of transmission roller assemblies (22) are arranged on the support frame (1) at intervals along the length direction of the support frame (1) and are connected with the support frame (1);
the power part (21) is arranged on one side of the support frame (1), and the output end of the power part (21) is in transmission connection with the end parts of the plurality of transmission roller assemblies (22) and can drive the plurality of transmission roller assemblies (22) to synchronously rotate.
3. The automatic long sheet camber detection device according to claim 2, wherein the drive roller assembly (22) comprises a drive roller (221) and a double row of wheels (222);
two ends of the transmission roller (221) are respectively arranged on the support frame (1) and are rotatably connected with the support frame (1);
one end of the transmission roller (221) extends out of the support frame (1) and is fixedly connected with the double-row wheels (222);
the adjacent double-row wheels (222) are in transmission connection;
one of the double-row wheels (222) is connected with the output end of the power part (21) and can be driven by the power part (21) to rotate.
4. The automatic detection device of camber of long sheets of material according to claim 3, characterized in that said power section (21) comprises a driving member (211) and a plurality of transmission connections (212);
the transmission connecting pieces (212) are respectively staggered and connected in series and are connected among the double-row wheels (222) in a transmission manner;
the output end of the driving piece (211) is connected with one of the double-row wheels (222), and the multiple double-row wheels (222) are driven to synchronously rotate under the transmission action of the multiple transmission connecting pieces (212).
5. The automatic long sheet sickle curve detection device according to claim 1, characterized in that the detection assembly (3) comprises a displacement sensor (31) and a control system (32);
the displacement sensor (31) is arranged on the support frame (1) and is electrically connected with the control system (32);
the height of the detection end of the displacement sensor (31) is flush with the height of the plate (4).
6. The automatic detection device for the camber of the long sheet material according to claim 1, further comprising a pressing roller assembly (5) and a lifting part (6);
the lifting part (6) is arranged on the support frame (1) and close to the detection assembly (3), the output end of the lifting part (6) is connected with the two ends of the compression roller assembly (5), and the compression roller assembly (5) can be driven to move up and down.
7. The automatic long sheet camber detection device according to claim 6, wherein the pressure roller assembly (5) comprises a pressure roller (51) and two support seats (52);
the two supporting seats (52) are arranged at two ends of the compression roller (51) and are rotatably connected with two ends of the compression roller (51);
the output end of the lifting part (6) is fixedly connected with the two supporting seats (52).
8. A detection method of a long sheet material camber automatic detection device based on any one of claims 1 to 7 is characterized by comprising the following steps:
the plate (4) is placed on a transmission mechanism (2), and the transmission mechanism (2) is controlled to act to drive the plate (4) to move at a constant speed along the length direction of the plate (4);
in the process of uniform motion of the plate (4), the side edge of the camber of the plate (4) passes through the detection assembly (3);
sequentially measuring the distance between each point on the side edge of the camber of the plate (4) and the detection assembly (3) through the detection assembly (3);
processing the measured distance value and setting the measuring end of the detecting component (3)The position of the sheet metal is O, the positions of two end points of the sickle-curved side edge of the sheet metal (4) are set to be A, B respectively, and the measuring points between the two end points A, B of the sickle-curved side edge of the sheet metal (4) are set to be A respectively1、A2…Am…AnWherein n is larger than m, Am is the maximum value point of the depth offset of the camber side of the plate (4), and a is set1、a2…am…anRespectively the depth offset of the camber side of the plate (4) is a1＝OA1-OA,a2＝OA2-OA,…am＝OAm-OA…an＝OAnAnd finally, the detection assembly (3) simulates the processed data a1 and a2 … am … an to obtain the camber curve of the plate (4) and obtain the camber value of the plate (4), so as to judge whether the camber data of the plate (4) meet the standard.
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