CN110510188B - Efficient smoke box strip missing detection method and device - Google Patents
Efficient smoke box strip missing detection method and device Download PDFInfo
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- CN110510188B CN110510188B CN201910790319.1A CN201910790319A CN110510188B CN 110510188 B CN110510188 B CN 110510188B CN 201910790319 A CN201910790319 A CN 201910790319A CN 110510188 B CN110510188 B CN 110510188B
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- 238000001514 detection method Methods 0.000 title claims abstract description 141
- 239000000779 smoke Substances 0.000 title claims abstract description 103
- 230000007246 mechanism Effects 0.000 claims abstract description 194
- 230000033001 locomotion Effects 0.000 claims abstract description 157
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000012937 correction Methods 0.000 claims description 5
- 235000019504 cigarettes Nutrition 0.000 abstract description 17
- 230000008901 benefit Effects 0.000 abstract description 5
- 241000208125 Nicotiana Species 0.000 description 17
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 17
- 238000000034 method Methods 0.000 description 12
- 239000002184 metal Substances 0.000 description 7
- 238000005303 weighing Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
- B65B57/02—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
Abstract
The invention discloses a high-efficiency detection method and device for detecting the absence of a cigarette box strip, which realize the following detection of the absence of the cigarette box strip on the basis of not changing the original transportation equipment and in a non-opening state. The invention comprises a frame, an XZ two-axis motion mechanism, a speed feedback motion mechanism, a detection sensing mechanism, a position capturing mechanism and a guiding motion mechanism; the X-axis motion actuating mechanism is fixedly arranged at the upper end of the frame, and comprises an X-axis motion actuating mechanism which is connected with the frame and performs horizontal reciprocating motion and a Z-axis motion actuating mechanism which is fixedly arranged on the X-axis motion actuating mechanism and performs up-and-down reciprocating motion, and an included angle is formed between the axial direction of the X-axis motion actuating mechanism and the movement direction of the smoke box; the detection sensing mechanism is assembled on the Z-axis motion executing mechanism, and the detection direction of the detection sensing mechanism is opposite to the smoke box. The invention has the advantages of simple structure, real-time follow-up detection, high detection precision and the like.
Description
Technical Field
The invention relates to detection of a missing strip of a smoke box, in particular to a high-efficiency detection method and device for the missing strip of the smoke box.
Background
The tobacco carton packing in China is the last procedure of cigarette production, and in the carton packing process, the condition of carton missing often occurs, and if the carton missing in the market flows into the market, unnecessary economic law disputes among cigarette factories, distributors and consumers are caused, even the reputation of enterprises is seriously influenced, so the importance of carton missing detection on the carton is self-evident. The existing strip missing detection system mainly comprises weighing detection, ray detection, metal detection, machine vision detection and the like.
And (3) weighing and detecting: and detecting the reduction of the corresponding weight of the smoke box caused by the shortage of the strips. Because of the different water content of tobacco, even if the variation range of the self weight of the tobacco box of the same brand is 2% -3%, 50 cigarettes are in one box, the weight of the tobacco box is reduced by 2% due to the lack of one box, and the weight of the tobacco box is in the normal range of the variation of the weight of the tobacco box. Thus, reliable detection results cannot be obtained by the weighing method.
And (3) ray detection: the gamma-ray detection device is developed by utilizing the principle that gamma-rays are attenuated by substances, has high detection reliability and complex system, but has potential threat to human safety, and has higher use and management cost; along with the new requirements of green factories, brand new environmental protection and energy saving and the difficult control factors of radiation sources, the large-area application of the strip missing detection in a ray mode has quite difficulty.
And (3) metal detection: and detecting whether the cigarette exists at the corresponding position inside the cigarette box by using a capacitance or inductance sensor. The detection mode requires that the cigarettes are orderly arranged, and the cigarettes in the outer package of the carton adopting the metal frosting process cannot be detected, so that the problems of misoperation and the like are easily caused.
Machine vision detection: the method is characterized in that an image processing method is applied by adopting a machine vision technology, the cigarette strip packages before box sealing are detected, each box is detected for 2 times, and each 25 strips are detected once. The system cost is high, and the requirements on the workshop environment are relatively high; moreover, the detection mode can only be used for detecting the unpacking state.
Disclosure of Invention
The application is provided for solving the problems, and one of the purposes of the application is to provide an efficient cigarette case strip missing detection method and device, which can realize rapid and real-time following detection of the cigarette case strip missing on the basis of not changing the cigarette strip position in the original cigarette case and in a state of not opening the case.
The invention is realized by the following technical scheme:
an efficient smoke box strip missing detection device comprises a frame, an XZ two-axis motion mechanism, a speed feedback motion mechanism, a detection sensing mechanism, a position capturing mechanism and a guiding motion mechanism;
the X-axis motion actuating mechanism is fixedly arranged at the upper end of the frame, and comprises an X-axis motion actuating mechanism which is connected with the frame and performs horizontal reciprocating motion and a Z-axis motion actuating mechanism which is fixedly arranged on the X-axis motion actuating mechanism and performs up-and-down reciprocating motion, and an included angle is formed between the axial direction of the X-axis motion actuating mechanism and the movement direction of the smoke box;
the detection sensing mechanism is arranged and fixed on the Z-axis motion executing mechanism, and can reciprocate up and down along with the Z-axis motion executing mechanism, and the detection direction of the detection sensing mechanism is opposite to the smoke box;
the guide movement mechanism is fixedly arranged on the transportation equipment and positioned in front of the frame; when the smoke box is placed on the conveying line body, the smoke box is guided by the guiding movement mechanism, and is positioned and captured by the laser sensor in the position capturing mechanism for controlling the XZ two-axis movement mechanism;
the position capturing mechanism is assembled on the transportation equipment and is positioned between the guide movement mechanism and the frame; the device is used for capturing and positioning the smoke box;
the speed feedback movement mechanism is assembled and fixed above the transportation equipment, can be assembled on the rack, can be independently fixed on other racks and is used for measuring the speed of the original transportation equipment and realizing the distance following control of the X-axis movement actuating mechanism and the smoke box.
Through long-term research and time, the inventor of the application finds that in the prior art, the detection of the missing strip of the smoke box mainly comprises weighing detection, ray detection, metal detection and machine vision detection, a reliable detection result cannot be obtained by adopting a weighing monitoring mode, considerable difficulty exists in large-area application of the missing strip detection by adopting a ray detection mode, and the problems of easy misoperation and the like are solved by adopting a metal detection mode. The application provides an efficient smoke box lacks strip detection device, does not change on the basis of original transportation smoke box equipment structure, realizes the non-contact detection of following to the smoke box. Specifically, the smoke box on the transportation equipment is transmitted backwards through the conveying line body, the smoke box is subjected to position constraint correction by the guide mechanism, after the position of the smoke box is detected by the position capturing mechanism, the detection sensing mechanism descends through the Z-axis motion actuating mechanism, the Z-axis motion actuating mechanism on the X-axis motion actuating mechanism starts to move from A to B, the speed of the transportation equipment feeds back signals to the controller through the speed feedback actuating mechanism, the speed of the X-axis motion actuating mechanism is ensured through an internal logic control algorithm, the distance between the smoke box and the detection sensing mechanism is always kept within 15mm, non-contact follow detection is realized, the detection sensing mechanism is lifted by the Z-axis motion actuating mechanism before the next smoke box arrives at the position capturing mechanism, and the next detection is waited for through the X-axis motion actuating mechanism.
Preferably, the included angle is 40-70 degrees. The speed at which the transport device is measured by the speed feedback motion mechanism is referred to as the V-line; the detection speed of the detection sensing mechanism for the strip missing detection carried out when the smoke box is in a relatively static state, namely the speed vertical to the movement direction of the conveying equipment is called V detection; and positioning the position of the X-axis motion actuating mechanism through the included angle between the combined speed V and the V line synthesized by the two vector speeds, namely, the included angle between the X-axis motion actuating mechanism and the central line of the smoke box in the transportation direction or the central line of the transportation equipment is 40-70 degrees.
Preferably, the motion mode of the XZ two-axis motion mechanism comprises ball screw transmission, belt transmission, gear transmission, chain transmission, pneumatic transmission and linear motor motion.
Further, the XZ two-axis motion mechanisms are multiple and are arranged at the upper part of the frame.
Further, in the process of detecting whether the tobacco box is in a strip shortage, the special detection principle of the detection sensing mechanism, namely the condition of no contact with the tobacco box, is utilized to identify whether the tobacco box is in a strip shortage or not, and a logic algorithm for detecting the tobacco box is combined to accurately detect and identify whether the tobacco strips on the front end face and the rear end face of the tobacco box are in a strip shortage or not.
Further, the speed feedback movement mechanism is assembled and fixed above the transportation equipment and comprises a fixed frame, a power device and an encoder device, wherein the upper end of the fixed frame is connected with the power device, the lower end of the fixed frame is connected with the encoder device, the lower end of the power device is hinged with the encoder device, the circumferential surface of a speed measuring roller on the encoder device is kept in contact with a conveyor belt on the transportation equipment, the conveyor belt moves to drive the speed measuring roller to rotate, the encoder device feeds back the rotating speed of the speed measuring roller to the controller, and the controller realizes distance following control with a smoke box; when the speed feedback movement mechanism does not work, the power device contracts, so that the encoder device stops at a safe position.
An efficient smoke box strip missing detection method comprises the following steps:
s1: the smoke box is placed on the conveying equipment, the smoke box detection surface is opposite to the detection sensing mechanism, and the smoke box runs along with the conveying equipment;
s2: the speed feedback movement mechanism starts to work, measures the conveying speed of the conveying equipment, feeds back signals to the controller, and realizes the distance following control with the smoke box by the controller;
s3: the Z-axis movement executing mechanism and the X-axis movement executing mechanism move to initial positions and wait for the smoke box to enter a position capturing point;
s4: when the smoke box is transported to the position of the guiding movement mechanism, the smoke box (restrained and guided by the guiding movement mechanism;
s5: after the correction is completed, the smoke box is transported to a position capturing point, and the position capturing mechanism carries out positioning capturing on the smoke box;
s6: after the positioning and capturing, the XZ two-axis motion mechanism starts to work, the X-axis motion executing mechanism starts dynamic following motion according to the speed and position data acquired by the controller, and meanwhile, the detection sensing mechanism connected with the lower end of the Z-axis motion executing mechanism is started to carry out real-time dynamic following detection on the detection surface of the smoke box;
s7: after the detection is finished, the Z-axis motion executing mechanism lifts the detection sensing mechanism, and meanwhile, the X-axis motion executing mechanism moves the Z-axis motion executing mechanism and the detection sensing mechanism to an initial position, and waits for the next smoke box to enter a position capturing point; the detection is circularly carried out according to the detection mode.
Furthermore, the speed of the transportation equipment can accurately control the movement speed of the X-axis movement executing mechanism by a speed feedback movement mechanism and a signal through a controller.
The invention has the following advantages and beneficial effects:
1. the high-efficiency smoke box strip missing detection device disclosed by the invention has the advantages that the distance between the smoke box and the detection sensing mechanism is always kept within 15mm in the smoke box detection process, the non-contact follow-up detection is realized, and the detection precision is high.
2. Compared with the traditional mode, the high-efficiency smoke box strip missing detection device is additionally provided with the speed feedback movement mechanism for testing the speed of the smoke box, the circumferential surface of the speed measuring roller on the speed feedback movement mechanism is kept in contact with the conveying line body on the conveying equipment, the conveying line body moves to drive the speed measuring roller to rotate, the encoder device feeds back the rotating speed of the speed measuring roller to the controller, and the controller realizes the distance following control with the smoke box; when the speed feedback movement mechanism does not work, the power device contracts, so that the encoder device stops at a safe position. The speed feedback movement mechanism can directly measure the speed of the smoke box, and compared with the traditional method, the speed feedback movement mechanism has the advantage that the measured speed is accurate.
3. The high-efficiency detection method and device for the absence of the cigarette box strip overcomes the problems in the prior art, and achieves online rapid, nondestructive, non-opening and non-contact intelligent detection, identification and judgment of the cigarette box. The main aspects are as follows:
a. the device is installed on the transportation equipment without damaging the original transportation equipment;
b. the on-line rapid and accurate detection is realized, namely the smoke box does not need to stop, and can move along with the transportation equipment;
c. the nondestructive detection of the smoke box is realized through the detection sensing mechanism in the application without opening the smoke box, namely, the packaged smoke box is not required to be disassembled for detection;
d. the non-contact detection, namely the detection sensing mechanism in the application, utilizes the special detection principle method and combines the detection logic algorithm to realize the non-contact detection and identification of the smoke box.
4. In the process of detecting whether the tobacco box lacks the strip, the special detection principle of the detection sensing mechanism, namely the condition of no contact with the tobacco box, is utilized to identify whether the strip is lacking in the tobacco box, and the strip cigarette on the front end face and the rear end face of the tobacco box is accurately detected and identified. The scanning from left to right or from right to left is performed once, the detection from bottom to bottom is not needed, and the detection speed is high.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention. In the drawings:
fig. 1 is a perspective view of the device of the present invention.
Fig. 2 is a schematic view of the arrangement of the tobacco rods in the smoke box according to the present invention.
Fig. 3 is a schematic structural view of the speed feedback motion mechanism of the present invention.
Fig. 4 is a flow chart of the present invention.
In the drawings, the reference numerals and corresponding part names:
1-transportation equipment, 100-rack, 200-XZ two-axis motion mechanism, 210-X axis motion actuator, 220-Z axis motion actuator, 300-speed feedback motion mechanism, 310-fixed rack, 320-power device, 330-encoder mechanism, 400-detection sensing mechanism, 500-position capturing mechanism, 600-guiding motion mechanism, 700-smoke box.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order not to obscure the invention.
Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it should be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present invention.
Example 1
As shown in fig. 1, a high-efficiency smoke box strip missing detection device comprises a frame 100, an XZ two-axis motion mechanism 200, a speed feedback motion mechanism 300, a detection sensing mechanism 400, a position capturing mechanism 500 and a guiding motion mechanism 600;
the XZ two-axis motion mechanism 200 is installed and fixed at the upper end of the frame 100, the XZ two-axis motion mechanism 200 comprises an X-axis motion executing mechanism 210 which is connected with the frame 100 and performs horizontal reciprocating motion, and a Z-axis motion executing mechanism 220 which is installed and fixed on the X-axis motion executing mechanism 210 and performs up-and-down reciprocating motion, and an included angle is formed between the axial direction of the X-axis motion executing mechanism 210 and the motion direction of the smoke box 700;
the detection sensing mechanism 400 is mounted and fixed on the Z-axis motion executing mechanism 220, the detection sensing mechanism 400 can reciprocate up and down along with the Z-axis motion executing mechanism 220, and the detection direction of the detection sensing mechanism 400 is opposite to the smoke box 700;
the guiding movement mechanism 600 is fixedly arranged on the transportation equipment 1 and positioned in front of the frame 100; when the smoke box 700 is placed on the conveying line body, the smoke box 700 is guided by the guiding movement mechanism 600, and is positioned and captured by a laser sensor in the position capturing mechanism 500, so as to realize the control of the XZ two-axis movement mechanism 200;
the position capturing mechanism 500 is assembled on the transport apparatus 1 and is located between the guiding movement mechanism 600 and the frame 100; the device is used for capturing and positioning the smoke box;
the speed feedback movement mechanism 300 is assembled and fixed above the transportation equipment 1, the speed feedback movement mechanism 300 can be assembled on the frame 100, and can also be independently fixed on other frames for measuring the speed of the original transportation equipment 1, feeding back signals to the controller, and realizing the distance following control of the smoke box 700 and the 210 by the controller.
Through long-term research and time, the inventor of the application finds that in the prior art, the detection of the missing strip of the smoke box mainly comprises weighing detection, ray detection, metal detection and machine vision detection, a reliable detection result cannot be obtained by adopting a weighing monitoring mode, considerable difficulty exists in large-area application of the missing strip detection by adopting a ray detection mode, and the problems of easy misoperation and the like are solved by adopting a metal detection mode. The application provides an efficient smoke box lacks strip detection device, does not change on the basis of original transportation smoke box equipment structure, realizes the non-contact detection of following to the smoke box. Specifically, the smoke box 700 on the transportation device 1 is transmitted backwards through the conveying line body, the smoke box 700 is guided to the moving mechanism 600 to conduct position constraint correction in sequence, after the position of the smoke box 700 is detected by the position capturing mechanism 500, the detecting and sensing mechanism 400 descends through the Z-axis moving executing mechanism 220, the Z-axis moving executing mechanism 220 on the X-axis moving executing mechanism 210 starts to move from the position A to the position B, the speed of the transportation device 1 feeds back signals to the controller through the speed feedback moving mechanism 300, the speed of the X-axis moving executing mechanism 210 is ensured through an internal logic control algorithm, the distance between the smoke box 700 and the detecting and sensing mechanism 400 is kept within 15mm all the time, non-contact follow detection is achieved, the detecting and sensing mechanism 400 is lifted up by the Z-axis moving executing mechanism 220 before the next smoke box 700 arrives at the position capturing mechanism 500, the X-axis moving executing mechanism 210 returns to the position A, and the next detection is waited.
Example 2
The embodiment is a preferable scheme of embodiment 1, and the included angle is 40-70 degrees. The speed at which the transport apparatus 1 is measured by the speed feedback motion mechanism 300 is referred to as the V-line; the speed of detecting the absence of strips, i.e. the speed perpendicular to the moving direction of the transporting device 1, of the smoke box 700 when the detecting and sensing mechanism 400 is in a relatively static state is called V-test; and positioning the position of the X-axis motion actuator 210 through the included angle between the combined speed V and the V line synthesized by the two vector speeds, namely, the included angle between the X-axis motion actuator and the central line of the smoke box 700 in the transportation direction or the central line of the transportation equipment 1 is 40-70 degrees.
Example 3
The embodiment is another preferable mode of embodiment 1, and the movement mode of the XZ two-axis movement mechanism 200 includes ball screw transmission, belt transmission, gear transmission, chain transmission, pneumatic transmission and linear motor movement.
Example 4
This embodiment is a further improvement on the basis of embodiment 1, and the XZ two-axis motion mechanism 200 is plural and is disposed at the upper portion of the frame 100.
Example 5
As shown in fig. 3, this embodiment is further improved on the basis of embodiment 1, the speed feedback movement mechanism 300 is assembled and fixed above the transportation device 1, the speed feedback movement mechanism 300 includes a fixed frame 310, a power device 320 and an encoder device 330, the upper end of the fixed frame 310 is connected with the power device 320, the lower end is connected with the encoder device 330, the lower end of the power device 320 is hinged with the encoder device 330, the circumferential surface of a speed measuring roller on the encoder device 330 is kept in contact with a conveyor belt on the transportation device 1, the conveyor belt moves to drive the speed measuring roller to rotate, the encoder device 330 feeds back a signal to the controller through the speed feedback of the speed measuring roller, and the controller realizes the distance following control of the distance between the speed measuring roller 210 and the smoke box 700; when the speed feedback motion mechanism 300 is not in operation, the power device 320 contracts, causing the encoder device 330 to stop in a safe position.
Example 7
The embodiment is a use method of an efficient smoke box strip missing detection device, and the efficient smoke box strip missing detection method comprises the following steps:
s1: the smoke box 700 is placed on the transport device 1, the smoke box detection surface is opposite to the detection sensing mechanism 400, and the smoke box 700 runs along with the transport device 1;
s2: the speed feedback movement mechanism 300 starts to work, measures the conveying speed of the conveying equipment 1, feeds back signals to the controller, and realizes the distance following control of the smoke box 700 and the 210 by the controller;
s3: the Z-axis motion actuator 220 and the X-axis motion actuator 210 move to the initial positions, waiting for the smoke box 700 to enter the position capture point;
s4: when the smoke box 700 is transported to the position of the guiding movement mechanism 600, the smoke box (700 is restrained and guided by the guiding movement mechanism 600;
s5: after the correction is completed, the smoke box 700 is transported to a position capturing point, and the position capturing mechanism 500 carries out positioning capturing on the smoke box 700;
s6: after the positioning and capturing, the XZ two-axis motion mechanism 200 starts to work, the X-axis motion executing mechanism 210 starts dynamic following motion according to the speed and position data acquired by the controller, and meanwhile, the detection sensing mechanism 400 connected with the lower end of the Z-axis motion executing mechanism 220 is started to perform real-time dynamic following detection on the detection surface of the smoke box 700;
s7: after the detection is completed, the Z-axis motion executing mechanism 220 lifts the detection sensing mechanism 400, and meanwhile, the X-axis motion executing mechanism 210 moves the Z-axis motion executing mechanism 220 and the detection sensing mechanism 400 to the initial positions, and waits for the next smoke box 700 to enter a position capturing point; the detection is circularly carried out according to the detection mode.
Further, the speed of the transporting device 1 can precisely control the movement speed of the X-axis movement actuator 210 by the speed feedback movement mechanism 300 and the signal passing through the controller.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The high-efficiency smoke box strip missing detection device is characterized by comprising a frame (100), an XZ two-axis motion mechanism (200), a speed feedback motion mechanism (300), a detection sensing mechanism (400), a position capturing mechanism (500) and a guide motion mechanism (600);
the XZ two-axis motion mechanism (200) is installed and fixed at the upper end of the frame (100), the XZ two-axis motion mechanism (200) comprises an X-axis motion executing mechanism (210) which is connected with the frame (100) and performs horizontal reciprocating motion, and a Z-axis motion executing mechanism (220) which is installed and fixed on the X-axis motion executing mechanism (210) and performs up-and-down reciprocating motion, and an included angle is formed between the axial direction of the X-axis motion executing mechanism (210) and the motion direction of the smoke box (700);
the detection sensing mechanism (400) is arranged and fixed on the Z-axis motion executing mechanism (220), the detection sensing mechanism (400) can reciprocate up and down along with the Z-axis motion executing mechanism (220), and the detection direction of the detection sensing mechanism (400) is opposite to the smoke box (700);
the guide movement mechanism (600) is assembled on the conveying equipment (1) and positioned in front of the frame (100);
the position capturing mechanism (500) is assembled on the conveying equipment (1) and is positioned between the guiding movement mechanism (600) and the rack (100);
the speed feedback movement mechanism (300) is assembled and fixed above the conveying equipment (1);
the motion mode of the XZ two-axis motion mechanism (200) comprises ball screw transmission, belt transmission, gear transmission, chain transmission, pneumatic transmission and linear motor motion; the XZ two-axis motion mechanisms (200) are multiple and are arranged at the upper part of the frame (100).
2. The efficient smoke box strip missing detection device according to claim 1, wherein the included angle is 40-70 degrees.
3. The efficient smoke box strip missing detection device according to claim 1, wherein the speed feedback movement mechanism (300) is assembled and fixed above the conveying equipment (1), the speed feedback movement mechanism (300) comprises a fixed frame (310), a power device (320) and an encoder device (330), the upper end of the fixed frame (310) is connected with the power device (320), the lower end of the fixed frame is connected with the encoder device (330), the lower end of the power device (320) is hinged with the encoder device (330), and the circumferential surface of a speed measuring roller on the encoder device (330) is kept in contact with a conveying belt on the conveying equipment (1).
4. A highly effective smoke box strip detection apparatus as claimed in claim 3 wherein the power means (320) is a cylinder or an electric mechanism.
5. An efficient smoke box strip missing detection method, which is characterized by comprising the device of any one of claims 1-4, and comprising the following steps:
s1: the smoke box (700) is placed on the conveying equipment (1), the smoke box detection surface is opposite to the detection sensing mechanism (400), and the smoke box (700) runs along with the conveying equipment (1);
s2: the speed feedback movement mechanism (300) starts to work, the conveying speed of the conveying equipment (1) is measured, a signal is fed back to the controller, and the controller realizes the distance following control of the X-axis movement executing mechanism (210) and the smoke box (700);
s3: the Z-axis movement executing mechanism (220) and the X-axis movement executing mechanism (210) move to initial positions, and wait for the smoke box (700) to enter a position capturing point;
s4: when the smoke box (700) is transported to the position of the guiding movement mechanism (600), the smoke box (700) is restrained and guided by the guiding movement mechanism (600);
s5: after the correction is completed, the smoke box (700) is transported to a position capturing point, and the position capturing mechanism (500) carries out positioning capturing on the smoke box (700);
s6: after the positioning and capturing, the XZ two-axis motion mechanism (200) starts to work, the X-axis motion executing mechanism (210) starts dynamic following motion according to the speed and position data acquired by the controller, and meanwhile, the detection sensing mechanism (400) connected with the lower end of the Z-axis motion executing mechanism (220) is started to carry out real-time dynamic following detection on the detection surface of the smoke box (700);
s7: after the detection is finished, the Z-axis motion executing mechanism (220) lifts the detection sensing mechanism (400), and meanwhile the X-axis motion executing mechanism (210) moves the Z-axis motion executing mechanism (220) and the detection sensing mechanism (400) to an initial position to wait for the next smoke box (700) to enter a position capturing point; the detection is circularly carried out according to the detection mode.
6. The efficient smoke box strip detection method according to claim 5, wherein the speed of the transportation device (1) is transmitted to the controller through the speed feedback movement mechanism (300) and the movement speed of the X-axis movement execution mechanism (210) can be accurately controlled through the controller.
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| CN201910790319.1A CN110510188B (en) | 2019-08-26 | 2019-08-26 | Efficient smoke box strip missing detection method and device |
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