CN218985706U - Pipe detection system - Google Patents

Abstract

The utility model relates to the technical field of pipe production quality inspection, and particularly discloses a pipe detection system which comprises a rack, detection equipment and a control system, wherein the detection equipment and the control system are arranged on the rack, the control system controls the operation of the detection equipment, and the output result of the detection equipment is monitored. The detection equipment comprises a conveying mechanism for conveying the pipe, an inner diameter detection mechanism for detecting the inner diameter and the outer diameter of the pipe and the inner diameter of the wall thickness, a flaring detection mechanism for detecting the inner diameter of the pipe at the flaring position, and a weighing mechanism for detecting the weight of the pipe, wherein the flaring detection mechanism can move along the axial direction of the pipe to be detected, and the flaring detection mechanism rotates to enter or leave a pipe entering channel to avoid interference to the pipe entering. The utility model can finish a plurality of detection items including the inner diameter and the outer diameter of the pipe, the inner diameter of the flaring, the wall thickness of the pipe, the roundness and the weight of the pipe under the condition of matching with the production speed of the extruder, and effectively improves the precision and the efficiency of pipe detection.

Description

Pipe detection system

Technical Field

The utility model relates to the technical field of pipe production quality inspection, in particular to a pipe detection system.

Background

After decades of development and perfection, plastic pipes have evolved from single varieties to complete product series, which are widely used in underground sewage and rain sewage collection pipelines and the like. In the plastic pipe industry, the production process of extruding by an extruder, vacuum sizing and water cooling is generally adopted, the speed, the vacuum degree and the water temperature of the extruder are changed to have certain influence on the size of the pipe, and the wall thickness, the quality and the like of the pipe are required to be inspected in a sampling way during production. At present, the production speed of plastic pipes is continuously improved, the productivity is multiplied, and the traditional quality control means and detection equipment cannot be matched with the existing production efficiency.

In the pipe production process, parameters such as the weight of the pipe, the wall thickness, the eccentricity, the inner diameter and the outer diameter of the pipe and the like are required to be detected after the pipe is extruded and cut, so that the produced pipe is ensured to meet the requirements. Moreover, as the pipes are often required to be connected in the use process, one end of many pipes is provided with a flaring part for being connected with another pipe, the inner diameter size of the flaring part and the outer diameter size of the non-flaring part are required to be adapted, and the inner diameter size detection of the flaring part of the pipe is very important. Most existing pipe inspection systems are solely designed to detect a specific parameter. For manufacturers, more inspection equipment means larger floor space and longer inspection time, thus inevitably increasing production costs. Therefore, how to integrate the pipe inspection devices for different inspection items, so that one inspection device can inspect several items simultaneously becomes a key point for improving inspection efficiency. The plastic pipe detection device comprises a frame, wherein one end of the frame is provided with a pipe rotating mechanism, the other end of the frame is provided with a pipe supporting mechanism, a pipe pressing mechanism which is matched with the pipe rotating mechanism to press pipes is further arranged on the frame, a weighing mechanism for weighing the pipes is arranged between the pipe rotating mechanism and the pipe supporting mechanism, an installation table is arranged at the tail end of the frame, which is close to the pipe rotating mechanism, and a wall thickness measuring mechanism for measuring the wall thickness of the pipes is arranged on the installation table. The plastic pipe detection equipment can finish detection of pipe wall thickness, pipe weight and other data at one time, but cannot accurately measure the inner and outer diameter data of a pipe, particularly a pipe with a flaring structure at one end, and the flaring is an important part of pipe connection, and whether the inner diameter of the pipe is relatively matched with the outer diameter of a non-flaring part is very important for the production and use processes of the pipe.

Disclosure of Invention

The utility model provides a pipe detection system, which aims to overcome the defect that the existing pipe detection device cannot detect multiple parameters of a pipe, particularly a pipe with a flaring at one end. The utility model can finish a plurality of detection items including the inner diameter and the outer diameter of the pipe, the inner diameter of the flaring, the wall thickness of the pipe and the weight of the pipe under the condition of matching with the production speed of the extruder, and effectively improves the detection precision and efficiency during the production of the pipe.

The technical scheme adopted by the utility model is as follows:

the pipe detection system comprises a rack, detection equipment and a control system, wherein the detection equipment and the control system are arranged on the rack, the control system is in communication connection with the detection equipment, controls the operation of the detection equipment, and monitors the output result of the detection equipment. The detection equipment comprises a conveying mechanism for conveying the pipe, an inner diameter detection mechanism and an outer diameter detection mechanism which are arranged at one end of the frame and used for detecting the inner diameter and the outer diameter of the pipe and the wall thickness, a flaring detection mechanism which is arranged at the other end of the frame and used for detecting the inner diameter of the pipe at the flaring position, and a weighing mechanism for detecting the weight of the pipe, wherein the flaring detection mechanism can move along the axial direction of the pipe to be detected, so that the flaring detection mechanism can extend into the pipe, the inner wall of the flaring section of the pipe is subjected to ranging scanning, the position of the flaring detection mechanism is a channel inlet of the pipe entering the equipment, and the flaring detection mechanism can rotationally enter or leave the channel of the pipe entering to avoid interference of the pipe entering.

The working principle of the utility model is as follows: after the pipe is produced by the extruder and sufficiently cooled, the pipe is cut off by a cutting device. Since the extrusion of plastic tubing is continuous, the latter extruded tubing will push the former tubing forward. The pipe feeding device is connected with the cutting device, when the pipe is pushed onto the frame of the device, the conveying mechanism is started to drive the pipe to move to the pipe detection position on the frame at a higher speed, and the distance from the pipe to be detected is a certain distance. By utilizing the time gap, the flaring detection mechanism rotates from an initial outer position of the channel to enter the channel into which the pipe enters, and moves along the axial direction of the pipe to be detected until the flaring detection mechanism stretches into the inner wall of the pipe; meanwhile, the pipe reaches the detection position of the inner diameter and outer diameter detection mechanism under the drive of the conveying mechanism, and at the moment, the inner diameter and outer diameter detection mechanism and the flaring detection mechanism measure the inner diameter and outer diameter of the pipe simultaneously. After the measurement is completed, the flaring detection mechanism leaves the corresponding detection position, the pipe leaves the detection position of the inner diameter detection mechanism and the outer diameter detection mechanism under the drive of the conveying mechanism, and the weighing mechanism performs weight detection on the pipe under the control of the control system. And the conveying mechanism moves the pipe with all the detection projects out of the pipe detection position, then conveys the next section of pipe to the pipe detection position, and carries out another round of detection. And the detection results of the detection equipment are transmitted to a control system, and if the detection results are unqualified, the control system alarms and reminds quality inspection personnel to recheck.

Further, the flaring detecting mechanism comprises a first rotating shaft, a second rotating shaft and a fourth ranging sensor, wherein a rotating arm for connecting the first rotating shaft and the second rotating shaft is arranged between the first rotating shaft and the second rotating shaft, so that the second rotating shaft can rotate around the first rotating shaft, and the flaring detecting mechanism is not interfered when a pipe enters the flaring detecting mechanism. The fourth distance measuring sensor is arranged in the second rotating shaft, and the second rotating shaft rotates when the pipe flaring section is measured, so that the fourth distance measuring sensor can realize 360-degree multipoint detection on the inner wall of the pipe flaring section.

Further, the first rotating shaft and the second rotating shaft are arranged in parallel, the first rotating shaft is fixedly connected with a second cylinder translation mechanism, and the second cylinder translation mechanism is arranged on the frame. When the inner diameter of the flaring section of the pipe is detected, the second rotating shaft rotates around the first rotating shaft to the axle center of the pipe, and then the telescopic shaft of the second cylinder translation mechanism stretches out to drive the second rotating shaft of the flaring detection mechanism to move to the inner wall of the pipe; after the detection is completed, the second cylinder translation mechanism drives the flaring detection mechanism to retract, and meanwhile, the second rotation shaft rotates around the first rotation shaft to leave a channel where the pipe enters, so that interference with the pipe is avoided, and the pipe is convenient to produce, load and unload. The second cylinder translation mechanism is arranged for enabling the utility model to detect pipes with different lengths.

Further, the inner diameter and outer diameter detection mechanism comprises a first distance measurement sensor, a second distance measurement sensor, a third distance measurement sensor and a rotating shaft, wherein the third distance measurement sensor is arranged in the rotating shaft and can rotate along with the rotating shaft during distance measurement, and 360-degree multipoint detection is realized on the inner wall of the pipe; the rotary shaft is also provided with a first support arm and a second support arm relatively, the first support arm and the second support arm can rotate along the axial direction of the rotary shaft in the same way, the free ends of the first support arm and the second support arm are respectively provided with a first ranging sensor and a second ranging sensor, and the first ranging sensor, the second ranging sensor and the third ranging sensor are positioned on the same cross section. When the rotating arm rotates, the first distance measuring sensor and the second distance measuring sensor perform 360-degree multipoint detection around the periphery of the pipe.

Further, the third ranging sensor comprises two sets of ranging sensors which are vertically arranged, each set of ranging sensor comprises two sets of ranging probes which are oppositely arranged, wherein the ranging probes of one set of ranging sensor are respectively arranged opposite to the first ranging sensor and the second ranging sensor, so that one set of ranging sensor of the third ranging sensor, the first ranging sensor and the second ranging sensor jointly detect the inner diameter and the outer diameter of the same position, and the wall thickness of the position is calculated by a control system. Meanwhile, as the two groups of distance measuring sensors of the third distance measuring sensor are mutually perpendicular, the eccentricity and ellipticity of the pipe can be synchronously detected.

Further, the inner diameter and outer diameter detection mechanism further comprises a first cylinder translation mechanism connected with the rotating shaft, the first cylinder translation mechanism is arranged on the frame, a telescopic shaft of the first cylinder translation mechanism is connected with the inner diameter and outer diameter detection mechanism, during detection, the first cylinder translation mechanism stretches out along the axial direction of the pipe to be detected, the rotating shaft of the inner diameter and outer diameter detection mechanism is driven to move to the inner wall of the pipe, and meanwhile, the first support arm and the second support arm synchronously move to the outer wall of the pipe with the same cross section. When the detection is completed, the first cylinder translation mechanism drives the inner and outer diameter detection mechanism to retract along the axial direction of the pipe to be detected, so that interference with the pipe is avoided.

Further, the weighing mechanism comprises at least two supporting plates arranged in the middle of the frame, a jacking device and a fixing plate are arranged at the bottom of each supporting plate, the jacking device is fixedly connected to the bottom of each fixing plate, the telescopic shaft of the jacking device is fixedly connected with the supporting plates through the fixing plates, and weighing sensors are arranged at two ends of each fixing plate. Most of the existing weighing structures are formed by directly arranging a weight sensor on a conveying belt, and when a pipe moves on the conveying belt, friction can be continuously generated between the pipe and the weight sensor, so that the measuring precision of the weight sensor is affected. According to the utility model, the weighing mechanism is separated from the conveying mechanism independently, and the weighing mechanism is not contacted with the pipe when the conveying mechanism works, so that vibration of the pipe during conveying does not influence the precision of the weighing mechanism. After the pipe is detected in the inner diameter and outer diameter, wall thickness and other items, the inner diameter detecting mechanism and the outer diameter detecting mechanism leave corresponding detecting positions, at the moment, the control system controls the jacking device to stretch out of the telescopic shaft of the jacking device to drive the fixing plate and the supporting plate to move upwards, the pipe is lifted, after the pipe is lifted and stabilized, the weighing sensor reads current weight reading information, and a weight detecting result is sent to the control system.

Further, in order to prevent the supporting plate from falling towards two sides when the pipe is supported by the supporting plate, the top surface of the supporting plate is provided with a V-shaped groove. Of course, the V-shaped groove is only one preferable scheme, and other top surface shapes such as an arc-shaped groove, a concave groove and the like which can realize the same function can be used as the embodiment of the utility model.

Further, the conveying mechanism comprises a driving motor and a plurality of driving wheels arranged on two sides of the frame, the driving motor drives the driving wheels to rotate, rubber is preferably coated on the driving wheels, friction force on contact surfaces of the driving wheels is enhanced, and the pipe is driven to move forward to a detection position through rotating friction force. The driving wheels are arranged on two sides of the frame, so that when the pipe moves, the pipe is just clamped between the left driving wheel and the right driving wheel at the same position, and the pipe cannot deviate to any side and fall off when moving forwards. The position sensor is in communication connection with the driving motor and the control system, when the pipe moves forward to the detection position, the position sensor recognizes a moving signal and transmits the signal to the control system, the control system controls the driving motor to stop driving after receiving the signal, the driving wheel stops, and the pipe is kept in the detection position for detection.

Further, the conveying mechanism further comprises at least two tube turning supports arranged on the frame, and two ends of each tube turning support are hinged with the frame through a first supporting rod and a second supporting rod respectively. When the detection of the inner diameter, the outer diameter, the wall thickness, the inner diameter of the flaring, the weight and other items of the pipe are finished, if the detection result is qualified, the control system sends out an instruction, the telescopic shaft of the first stay bar stretches out, one end of the pipe turning support is turned up, the pipe slides towards the direction of the second stay bar, and the pipe is qualified in detection. If the detection result is unqualified, the control system controls the telescopic shaft of the second stay bar to extend out, so that the pipe slides towards the direction of the first stay bar, and the unqualified pipe is detected. The quality inspector can classify and process the qualified and unqualified pipes respectively only by arranging two pipe collecting devices or conveying devices on two sides of the quality inspector, and the whole process from detection to classification of the pipes is automatically managed by a control system, so that missing inspection and false inspection caused by manual quality control can be effectively avoided, and the production efficiency is improved.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model provides a pipe detection system, which overcomes the defect that the traditional quality control mode depends on manpower, can finish a plurality of detection items including the inner diameter and the outer diameter of a pipe, the inner diameter of a flaring, the wall thickness of the pipe, the roundness and the weight of the pipe under the condition of matching with the production speed of an extruder, effectively improves the detection precision and efficiency in the production of the pipe, and has strong popularization;

2. the utility model realizes 360-degree multipoint detection through the plurality of sets of rotatable ranging sensors, has the advantages of more detection items, more detection data quantity and accurate detection results compared with the existing common grating correlation fixed detection method, can classify the pipes according to the detection results, and can realize full-automatic online detection and data collection of the pipes.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of another angle structure of the present utility model;

FIG. 3 is a schematic view of the inner and outer diameter detecting mechanism of the present utility model;

FIG. 4 is a schematic diagram of a flare detecting mechanism according to the present utility model;

fig. 5 is a schematic structural view of the weighing mechanism of the present utility model.

The designations in the drawings are as follows:

1-frame,

2-an inner and outer diameter detection mechanism, 201-a first ranging sensor, 202-a second ranging sensor, 203-a third ranging sensor, 2031-a ranging probe, 204-a rotating shaft, 205-a first support arm, 206-a second support arm, 207-a first cylinder translation mechanism,

3-flaring detection mechanism, 301-first rotation shaft, 302-second rotation shaft, 303-fourth distance measuring sensor, 304-second cylinder translation mechanism, 305-radial arm,

4-weighing mechanism, 401-supporting plate, 402-jacking device, 403-fixing plate, 404-weighing sensor,

5-driving motor, 6-driving wheel, 7-position sensor, 8-pipe turning support.

Detailed Description

The utility model is further described below in connection with the following detailed description. Wherein the drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "front", "rear", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances. Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

Embodiment one:

as shown in fig. 1 or fig. 2, the present embodiment provides a pipe detection system, which includes a rack 1, and a detection device and a control system that are disposed on the rack 1, where the control system is communicatively connected with the detection device, and controls the operation of the detection device, and monitors the output result of the detection device. The control mode and the control method of the control system are all in the prior art. The detection equipment comprises a conveying mechanism for conveying the pipe, an inner diameter detection mechanism 2 which is arranged at one end of the frame 1 and used for detecting the inner diameter and the outer diameter of the pipe and the wall thickness, a flaring detection mechanism 3 which is arranged at the other end of the frame 1 and used for detecting the inner diameter of the flaring of the pipe, and a weighing mechanism 4 for detecting the weight of the pipe. After the pipe is produced from the extruder and cooled sufficiently, the pipe is cut by a cutting device, at which time the pipe extruded later will push the pipe ahead. When the front pipe is pushed onto the frame 1, the conveying mechanism is started to drive the pipe to move to the pipe detection position at a higher speed. At this time, the inner and outer diameter detecting mechanism 2 and the flare detecting mechanism 3 detect the size of the pipe. The inner diameter detection mechanism 2 and the outer diameter detection mechanism 3 can move relatively, so that the inner diameter detection mechanism and the outer diameter detection mechanism can extend into the pipe, and distance measurement scanning is performed on the side wall of the pipe. Specifically, the inner diameter detecting mechanism 2 and the outer diameter detecting mechanism 3 move in opposite directions under the control of the control system to the corresponding detecting positions. It is worth noting that the position of the flaring detecting mechanism 3 is a channel inlet where the pipe enters the detecting position, and the flaring detecting mechanism 3 can rotationally enter or leave the channel where the pipe enters, so that interference to the pipe entering is avoided, and the pipe production and loading and unloading are facilitated. After the size detection is completed, the inner diameter detection mechanism 2 and the outer diameter detection mechanism 3 leave the corresponding detection positions under the control of the control system, and meanwhile, the weighing mechanism 4 detects the weight of the pipe. After the weight detection is finished, the conveying mechanism moves the pipe after the detection out of the pipe detection position, then conveys the next section of pipe to the pipe detection position, and carries out another round of detection. And the detection results of the detection equipment are transmitted to a control system, and if the detection results are unqualified, the control system alarms and reminds quality inspection personnel to recheck.

Referring to fig. 4, the flaring detecting mechanism 3 includes a first rotating shaft 301, a second rotating shaft 302, and a fourth ranging sensor 303, and a radial arm 305 connecting the first rotating shaft 301 and the second rotating shaft 302 is disposed between them, so that the second rotating shaft 302 can rotate around the first rotating shaft 301, so as not to interfere with the flaring detecting mechanism 3 when the pipe enters the pipe detecting position. The fourth distance measuring sensor 303 is arranged in the second rotating shaft 302, and the second rotating shaft 302 rotates around the axial direction of the pipe when measuring the pipe flaring section, so that the fourth distance measuring sensor 303 realizes 360-degree multipoint detection on the inner wall of the pipe flaring section.

The first rotating shaft 301 and the second rotating shaft 302 are arranged in parallel, the first rotating shaft 301 is also fixedly connected with a second cylinder translation mechanism 304, and the second cylinder translation mechanism 304 is arranged on the frame 1. When detecting the inner diameter of the pipe flaring section, the second rotating shaft 302 rotates around the first rotating shaft 301 to the axis of the pipe, and then the telescopic shaft of the second cylinder translation mechanism 304 stretches out to drive the second rotating shaft 302 of the flaring detection mechanism 3 to move to the inner wall of the pipe; after the detection is finished, the second cylinder translation mechanism 304 drives the flaring detection mechanism 3 to retract, and meanwhile, the second rotary shaft 302 rotates around the first rotary shaft 301 to leave a channel where the pipe enters, so that interference with the pipe is avoided, and the pipe is convenient to produce, load and unload.

Embodiment two:

as shown in fig. 2 or 3, the inside and outside diameter detection mechanism 2 according to the first embodiment includes a first distance measurement sensor 201, a second distance measurement sensor 202, a third distance measurement sensor 203, and a rotation shaft 204. The third distance measuring sensor 203 is arranged in the rotating shaft 204, and can rotate along with the rotating shaft 204 during distance measurement, so that 360-degree multipoint detection is realized on the inner wall of the pipe; the rotating shaft 204 is also provided with a first support arm 205 and a second support arm 206 relatively, the first support arm 205 and the second support arm 206 can rotate along the axial direction of the rotating shaft 204, the free ends of the first support arm 205 and the second support arm 206 are respectively provided with the first ranging sensor 201 and the second ranging sensor 202, and the first ranging sensor 201 and the second ranging sensor 202 are positioned on the same transverse plane with the third ranging sensor 203. When the rotating arm 204 rotates, the first distance measuring sensor 201 and the second distance measuring sensor 202 perform 360-degree multipoint detection around the periphery of the pipe. Wherein the third ranging sensor 203 comprises two sets of ranging sensors vertically arranged, each set of ranging sensors comprises two sets of ranging probes 2031 oppositely arranged, wherein the ranging probes 2031 of one set of ranging sensors are respectively arranged opposite to the first ranging sensor 201 and the second ranging sensor 202, so that one set of ranging sensors of the third ranging sensor 203, the first ranging sensor 201 and the second ranging sensor 202 jointly detect the inner diameter and the outer diameter of the same position, and the wall thickness of the position is calculated by a control system. Meanwhile, since the two sets of ranging sensors of the third ranging sensor 203 are disposed perpendicular to each other, the eccentricity and ovality of the pipe can be synchronously detected.

Embodiment III:

as shown in fig. 1 or fig. 5, on the basis of the first or second embodiment, the weighing mechanism 4 includes at least two supporting plates 401 disposed in the middle of the frame 1, the two supporting plates 401 are respectively disposed near two ends of the frame 1, and a lifting device 402 and a fixing plate 403 are disposed at the bottom of the supporting plate 401. In this embodiment, the jacking device 402 is a hydraulic jack in the prior art. The jacking device 402 is fixedly connected to the bottom of the fixing plate 403, the telescopic shaft of the jacking device is fixedly connected with the supporting plate 401 through the fixing plate 403, and weighing sensors 404 are arranged at two ends of the fixing plate 403. When the pipe moves on the embodiment, the telescopic shaft of the jacking device 402 of the weighing mechanism 4 is contracted, the weighing mechanism 4 is hidden in the frame 1, and the pipe is prevented from being contacted with the moving pipe, so that the vibration of the pipe during the movement does not influence the precision of the weighing mechanism 4. After the pipe is detected in the inner diameter, the outer diameter, the wall thickness and other projects, the inner diameter detection mechanism 2 and the flaring detection mechanism 3 leave corresponding detection positions, and at the moment, the control system controls the jacking device 402 to extend out of the telescopic shaft of the jacking device to drive the fixing plate 403 and the supporting plate 401 to move upwards so as to prop up the pipe; after the pipe is lifted and stabilized, the load cell 404 reads the current weight reading information and sends the weight detection result to the control system. Meanwhile, in order to prevent the support plate 401 from falling towards two sides when the pipe is supported, the V-shaped grooves are formed in the top surface of the support plate 401, and when the support plate 401 supports the pipe for weighing, the pipe cannot roll due to the shape of the pipe or even fall from two sides of the support plate 401, so that an inaccurate weighing result or detection interruption is caused.

Embodiment four:

as shown in fig. 2, on the basis of the third embodiment, the conveying mechanism includes a driving motor 5 and a plurality of driving wheels 6 disposed at two sides of the frame 1, the driving motor 5 drives the driving wheels 6 to rotate, rubber is coated on the driving wheels 6, so that friction force on contact surfaces of the driving wheels 6 is enhanced, and the pipe is driven to move forward to a detection position by rotating friction force. The driving wheels 6 are arranged on two sides of the frame 1, so that when the pipe moves, the pipe is just clamped between the left driving wheel 6 and the right driving wheel 6 at the same position, and the pipe cannot deviate to any side and fall off when moving forwards.

Furthermore, a position sensor 7 is further arranged on the frame 1 near the inner diameter detection mechanism 2, the position sensor 7 is in communication connection with the driving motor 5 and the control system, when the pipe moves forward to the detection position, the position sensor 7 recognizes a moving signal and transmits the signal to the control system, the control system controls the driving motor 5 to stop driving after receiving the signal, the driving wheel 6 stops, and the pipe is kept in the detection position for detection.

Furthermore, the conveying mechanism further comprises at least two tube turning supports 8 arranged on the frame 1, and two ends of the tube turning supports 8 are hinged with the frame 1 through a first stay bar and a second stay bar respectively. When the detection of the inner diameter, the outer diameter, the wall thickness, the flaring inner diameter, the weight and other items of the pipe is finished, if the detection result is qualified, the control system sends out an instruction, the telescopic shaft of the first stay bar stretches out, one end of the pipe turning support 8 is tilted, the pipe slides down towards the direction of the second stay bar, and the falling pipe is the pipe qualified in detection. If the detection result is unqualified, the control system controls the telescopic shaft of the second stay bar to extend out, so that the pipe slides towards the direction of the first stay bar, and the unqualified pipe is detected. Quality inspection personnel only need set up two tubular product collection device or conveyer respectively in frame 1 both sides, can carry out classification to detecting qualified and unqualified tubular product respectively, and tubular product from detecting to categorised overall process all has control system automated management, can effectively avoid leak detection, the mistake that artificial quality control brought to examine, promotes production efficiency.

In the specific content of the above embodiment, any combination of the technical features may be performed without contradiction, and for brevity of description, all possible combinations of the technical features are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The pipe detection system comprises a rack (1), detection equipment and a control system, wherein the detection equipment and the control system are arranged on the rack (1), the control system is in communication connection with the detection equipment, and the control system controls the operation of the detection equipment; the detection equipment comprises a conveying mechanism for conveying the pipe, an inner diameter detection mechanism (2) and an outer diameter detection mechanism (4) which are arranged at one end of the frame (1) and used for detecting the inner diameter and the outer diameter of the pipe and the wall thickness of the pipe, and a weighing mechanism (4) used for weighing the pipe, and is characterized in that the detection equipment further comprises a flaring detection mechanism (3) which is arranged at the other end of the frame (1) and used for detecting the inner diameter of a flaring part of the pipe, the flaring detection mechanism (3) can move along the axial direction of the pipe to be detected, and the flaring detection mechanism (3) rotates to enter or leave a channel where the pipe enters.

2. The tubing inspection system according to claim 1, characterized in that the flare inspection mechanism (3) comprises a first rotation axis (301), a second rotation axis (302) and a fourth distance measurement sensor (303), a radial arm (305) connecting the first rotation axis (301) and the second rotation axis (302) is provided between them, the second rotation axis (302) rotates around the first rotation axis (301), the second rotation axis (302) can simultaneously rotate around its own axis; the fourth distance measuring sensor (303) is provided in the second rotation shaft (302).

3. The pipe detection system according to claim 2, wherein the first rotation shaft (301) and the second rotation shaft (302) are arranged in parallel, and the first rotation shaft (301) is further fixedly connected with a second cylinder translation mechanism (304).

4. A pipe detection system according to claim 1 or 3, characterized in that the inner and outer diameter detection mechanism (2) comprises a first distance measuring sensor (201), a second distance measuring sensor (202), a third distance measuring sensor (203) and a rotating shaft (204), the third distance measuring sensor (203) being arranged in the rotating shaft (204); the rotary shaft (204) is also provided with a first support arm (205) and a second support arm (206) relatively, the first support arm (205) and the second support arm (206) rotate along the axial direction of the rotary shaft (204), and the first ranging sensor (201) and the second ranging sensor (202) are respectively arranged at the free ends of the first support arm (205) and the second support arm (206) and are positioned on the same cross section with the third ranging sensor (203).

5. The pipe inspection system of claim 4, wherein the third ranging sensor (203) comprises two sets of ranging sensors disposed vertically, each set of ranging sensors comprising two oppositely disposed ranging probes (2031), wherein the ranging probes of one set of ranging sensors are disposed opposite the first ranging sensor (201) and the second ranging sensor (202), respectively.

6. The pipe inspection system according to claim 5, characterized in that the inner and outer diameter inspection mechanism (2) is provided with a first cylinder translation mechanism (207) connected with the rotating shaft (204), and the inner and outer diameter inspection mechanism (2) can move along the axial direction of the pipe to be inspected.

7. The pipe detection system according to claim 1 or 6, wherein the weighing mechanism (4) comprises at least two supporting plates (401) arranged in the middle of the frame (1), a jacking device (402) and a fixing plate (403) are arranged at the bottom of the supporting plates (401), the jacking device is fixedly connected to the bottom of the fixing plate (403), a telescopic shaft of the jacking device is fixedly connected with the supporting plates (401) through the fixing plate (403), and weighing sensors (404) are arranged at two ends of the fixing plate (403).

8. The pipe inspection system of claim 7, characterized in that the top surface of the pallet (401) is provided with V-grooves.

9. The pipe detection system according to claim 1 or 8, wherein the conveying mechanism comprises a driving motor (5) and a plurality of driving wheels (6) arranged on two sides of the frame (1), the driving motor (5) drives the driving wheels (6) to rotate, a position sensor (7) is further arranged on the frame (1) close to the inner diameter detection mechanism (2), and the position sensor (7) is in communication connection with the driving motor (5) and the control system.

10. The pipe detection system according to claim 9, wherein the conveying mechanism further comprises at least two pipe turning supports (8) arranged on the frame (1), and two ends of each pipe turning support (8) are hinged with the frame (1) through a first stay bar and a second stay bar respectively.

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