CN209935288U

CN209935288U - Pipe fitting length integral type detection device

Info

Publication number: CN209935288U
Application number: CN201920246733.1U
Authority: CN
Inventors: 贾小勇; 游喜; 李春山; 周永刚
Original assignee: Chongqing Kang Shi Yuan Yuan Technology Industrial Co Ltd
Current assignee: Chongqing Kang Shi Yuan Yuan Technology Industrial Co Ltd
Priority date: 2019-02-27
Filing date: 2019-02-27
Publication date: 2020-01-14
Anticipated expiration: 2029-02-27

Abstract

The utility model relates to a length measurement technical field of tubulose, the utility model provides a pipe fitting length integral type detection device, including the cushion cap platform of a whole set of automatic checkout device of installation, be provided with the feeding mechanism of normal orderly control pipe fitting transmission on the cushion cap platform, cushion cap platform bottom surface is equipped with the guiding mechanism and the spacing fixed establishment of pipe fitting, and cushion cap platform bottom surface still is equipped with the measuring mechanism of measuring pipe fitting length. The utility model discloses can realize the automatic detection pipe fitting length to accord with the pipe fitting length integral type detection device that the production needs was carried out the screening to the pipe fitting; the problem of technical staff error rate when measuring pipe fitting length high and the accuracy is relatively poor is solved, still solved the process of artifical measuring loaded down with trivial details, lead to the detection efficiency of whole production line low is solved.

Description

Pipe fitting length integral type detection device

Technical Field

The utility model relates to a length measurement technical field of tubulose, concretely relates to pipe fitting length integral type detection device.

Background

When the length of the sleeve is detected on a common production line, a pipe length detector is mainly used for marking the size of the sleeve on a workbench by using a graduated scale and an adhesive tape to mark the boundary of an upper limit and a lower limit, and after one end of the sleeve is tightly abutted, the pipe fittings which are not within the boundary are removed by visually observing the marks marked by the graduated scale and the adhesive tape; and then measuring the length of the pipe fitting which is visually unqualified by using the grating ruler.

The traditional technology has the defects that: 1. technicians screen the length of the sleeve by visually observing the graduated scale and the mark marked by the adhesive tape, and observation fatigue is inevitably generated under the long-time working condition, so that errors occur in the screening length; 2. the manual detection process is complicated and is not suitable for being used in a production line for rapidly detecting the pipe fittings in a flow process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipe fitting length integrated detection device which can realize the automatic detection of the pipe fitting length and can screen the pipe fitting which is in line with the pipe length required by production; the problem of technical staff error rate when measuring pipe fitting length high and the accuracy is relatively poor is solved, still solved the process of artifical measuring loaded down with trivial details, lead to the detection efficiency of whole production line low is solved.

The utility model provides a pipe fitting length integral type detection device, including the cushion cap platform of the installation complete set of automatic checkout device, be provided with the feeding mechanism of normal orderly control pipe fitting transmission on the cushion cap platform, cushion cap platform bottom surface is equipped with the guiding mechanism and the spacing fixed establishment of pipe fitting, cushion cap platform bottom surface still is equipped with the measuring mechanism of measurement pipe fitting length; the device is characterized in that a falling channel in the vertical direction is arranged in the feeding mechanism; the guide mechanism comprises a pipe falling channel, a baffle, an ejection cylinder, an ejection transmission power plate and an ejection transmission driven plate, the pipe falling channel is in opposite communication with the pipe falling channel above the bearing platform, and the ejection transmission power plate and the ejection transmission driven plate are connected through a special-shaped connecting plate; the limiting and fixing mechanisms are arranged on the upper side and the lower side of the pipe fitting detection position; the measuring mechanism is arranged at the left end and the right end of the pipe fitting detection position.

The utility model discloses an operation principle lies in, at first, wait to measure the pipe fitting and carry out transmission one by one to the pipe falling passageway of guiding mechanism through feeding mechanism falling passageway, make time inequality between pipe fitting and the pipe fitting fall to the baffle one by one, act on the front and back both sides of pipe fitting simultaneously by ejecting transmission power plate and ejecting transmission driven plate on the baffle again, the horizontal back-and-forth movement reaches pipe fitting detection department, and stop moving, play fixed limiting displacement to the front and back both sides of pipe fitting; then, the upper side and the lower side of the pipe fitting are fixed and limited by the position set by the limiting and fixing mechanism, the four directions of the pipe fitting are fixed and limited, finally, the measuring mechanism limits one end of the left end and the right end of the pipe fitting to be detected at the pipe fitting detection position, and the other end of the pipe fitting is measured in a fast moving mode.

The pipe length integrated detection device has the advantages that the pipe length integrated detection device can automatically detect the length of the pipe and screen the pipe length integrated detection device which meets the pipe length required by production; the problem of technical staff error rate when measuring pipe fitting length high and the accuracy is relatively poor is solved, still solved the process of artifical measuring loaded down with trivial details, lead to the detection efficiency of whole production line low is solved. The integrated detection device realizes the length measurement of the pipe fittings and the qualified production of the pipe fittings by the processes of conveying and detecting the pipe fittings and the subsequent classification process for detecting whether the pipe fittings are qualified or not. By the cooperation of the feeding mechanism and the guide mechanism, the detection orderliness of the pipe fittings to be measured is ensured, the transmission process of each pipe fitting and each pipe fitting has equal time difference, and the detection time of the measuring mechanism is ensured to have guarantee. The detection of the mechanical device greatly reduces the error rate of manual detection and improves the detection accuracy. The length range value of the qualified product of the pipe in the PLC control system is initially set and compared with the value detected by the coms displacement sensor on the measuring mechanism, if the pipe is judged to be qualified within the length range value initially set by the PLC control system, otherwise, the pipe is judged to be an unqualified product, the intelligent measurement of the length of the pipe on a pipe production line is realized, and the length value of the pipe detected by the method is very accurate and is not easy to generate errors. Meanwhile, the connection relation among all mechanisms of the integral detection device for the length of the whole pipe fitting is compact, the process time for measuring one pipe fitting is short, and the efficiency for mechanically measuring the length of the pipe fitting is greatly improved.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the bottom surface of a bearing platform of the integrated pipe length detection device of the present invention;

FIG. 2 is a schematic view of the upper three-dimensional structure of the bearing platform of the integrated pipe length detection device of the present invention;

fig. 3 is a schematic view of the overall external three-dimensional structure of the pipe length integrated detection device of the present invention;

fig. 4 is a schematic view of the overall external three-dimensional structure of the pipe length integrated detection device of the present invention;

FIG. 5 is a schematic view of a three-dimensional structure of the bottom surface of a platform of the integrated pipe length detection device of the present invention;

fig. 6 is a schematic view of a three-dimensional structure of a measuring mechanism of the integrated pipe length detecting device of the present invention;

FIG. 7 is a schematic view of a three-dimensional structure of a bottom surface part of a platform of the integrated pipe length detection device of the present invention;

fig. 8 is a schematic structural view of a part of the guide mechanism and the limiting mechanism of the pipe length integrated detection device of the present invention;

FIG. 9 is an enlarged view of a part of the structure of the guide mechanism and the position-limiting mechanism of the integrated pipe length detection device of the present invention;

fig. 10 is a schematic structural view of a limit baffle of the pipe length integrated detection device of the present invention;

wherein: 1. a bearing platform; 2. a limit baffle; 3. an inclined plate; 4. an outer frame; 5. a feeding cylinder guide block; 6. correcting the cylinder guide block; 7. a drop passage; 8. a feeding cylinder; 9. a correction cylinder; 10. a platform support; 11. a partition plate; 12. a base plate; 13. a parallel bearing; 14. an optical axis; 15. ejecting out the cylinder; 16. a door opening and closing cylinder; 17. a connecting plate I; 18. a connecting block I; 19. a special-shaped connecting plate; 20. measuring a limit thimble; 21. measuring a limiting thimble pressing plate; 22. a sorting cylinder; 23. a connecting block II; 24. a connecting plate II; 25. ejecting out the driven cylinder; 26. connecting block III; 27. sorting guide plates; 28. a sorting guide plate rotating shaft connecting block; 29. ejecting a transmission power plate; 30. a door opening and closing baffle plate; a coms displacement sensor; 32. detecting a reflecting surface; 33. measuring an optical axis; 34. detecting a cylinder; 35. a fixing plate; 36. an adjusting plate; 37. a stopper; 38. measuring the bearing; 39. measuring a thimble; 40. measuring a thimble pressing plate; 41. a limiting plate; 42. a buffer spring; 43. a connecting block IV; 44. a region to be detected; 45. a baffle plate; 46. a connecting block V; 47. a connecting block VI; 48. a connecting plate III; 49. a pipe falling channel; 50. a drop tube guide plate; 51. a falling pipe guiding limiting block; 52. ejecting the transmission driven plate; 53. a connecting block VII; 54. a connecting block VIII; 55. cushion blocks; 56. the air pipe and the control circuit wiring hole; 57. an electric cabinet.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

The model of the PLC control system is CP1E-N60SDR-A, and the brand is ohm dragon.

The coms displacement sensor is model IL030, with the brand name kirschner.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 9, the pipe length integrated detection device comprises a bearing platform 1 for installing a whole set of automatic detection device, a feeding mechanism for normally and orderly controlling pipe transmission is arranged on the bearing platform 1, a pipe guiding mechanism and a limiting and fixing mechanism are arranged on the bottom surface of the bearing platform 1, and a measuring mechanism for measuring the length of the pipe is also arranged on the bottom surface of the bearing platform 1; a falling channel 7 in the vertical direction is arranged in the feeding mechanism; the guide mechanism comprises a pipe falling channel 49, a baffle 45, an ejection cylinder 15, an ejection transmission power plate 29 and an ejection transmission driven plate 52, the pipe falling channel 49 is communicated with the pipe falling channel 7 above the bearing platform 1 in a facing manner, and the ejection transmission power plate 29 and the ejection transmission driven plate 52 are connected through a special-shaped connecting plate 19; the limiting and fixing mechanisms are arranged on the upper side and the lower side of the pipe fitting detection position; the measuring mechanism is arranged at the left end and the right end of the pipe fitting detection position.

The utility model has the use principle that firstly, the pipe fittings to be measured are transmitted to the pipe falling channel 49 of the guide mechanism one by one through the pipe falling channel 7 of the feeding mechanism, so that the pipe fittings and the pipe fittings fall onto the baffle plate one by one in a time-waiting differential manner, and then the ejection transmission power plate 29 and the ejection transmission driven plate 52 on the baffle plate simultaneously act on the front side and the rear side of the pipe fittings, and move back and forth to the pipe fitting detection position in a transverse manner and stop moving, so that the front side and the rear side of the pipe fittings are fixed and limited; then, the upper side and the lower side of the pipe fitting are fixed and limited by the position set by the limiting and fixing mechanism, the four directions of the pipe fitting are fixed and limited, finally, the measuring mechanism limits one end of the left end and the right end of the pipe fitting to be detected at the pipe fitting detection position, and the other end of the pipe fitting is measured in a fast moving mode.

The pipe length integrated detection device has the advantages that the pipe length integrated detection device can automatically detect the length of the pipe and screen the pipe length integrated detection device which meets the pipe length required by production; the problem of technical staff error rate when measuring pipe fitting length high and the accuracy is relatively poor is solved, still solved the process of artifical measuring loaded down with trivial details, lead to the detection efficiency of whole production line low is solved. The integrated detection device realizes the length measurement of the pipe fittings and the qualified production of the pipe fittings by the processes of conveying and detecting the pipe fittings and the subsequent classification process for detecting whether the pipe fittings are qualified or not. By the cooperation of the feeding mechanism and the guide mechanism, the detection orderliness of the pipe fittings to be measured is ensured, the transmission process of each pipe fitting and each pipe fitting has equal time difference, and the detection time of the measuring mechanism is ensured to have guarantee. The detection of the mechanical device greatly reduces the error rate of manual detection and improves the detection accuracy.

Still include the letter sorting mechanism, letter sorting mechanism includes switch door cylinder 16, letter sorting deflector 27 and letter sorting cylinder 22, and switch door cylinder 16 is connected with the bottom switch door baffle 30 of the volume of awaiting measuring tubular product of surveying, and letter sorting deflector 27 and letter sorting cylinder 22 are connected. The door opening and closing cylinder 16 and the door opening and closing baffle 30 jointly act to enable the measured pipe fittings to be matched with qualified pipe fittings to fall into a qualified area, and the door opening and closing baffle 30 has another function of limiting the detection position of a product; the sorting cylinder 22 drives the sorting guide plate 27 to make a steering action, so that the detected unqualified pipe fittings falling on the door opening and closing baffle 30 can be ensured to fall to an unqualified area.

The feeding mechanism comprises a limiting baffle 2, an inclined plate 3, an outer frame 4, a feeding cylinder guide block 5, a correction cylinder guide block 6 and a falling channel 7, the inclined plate 3 is a pipe transmission path of the whole feeding mechanism, the limiting baffle 2, the feeding cylinder guide block 5 and the correction cylinder guide block 6 are arranged on the upper portion of the inclined plate 3, a feeding cylinder 8 and a correction cylinder 9 which are respectively connected with the feeding cylinder guide block 5 and the correction cylinder guide block 6 are arranged on the lower portion of the inclined plate 3, and the falling channel 7 is arranged between the front end of the inclined plate 3 and the outer frame 4.

The limit baffle 2 is arranged on the inclined plate 3 and the outer frame 4, and a chute for moving the feeding cylinder guide block 5 and the correction cylinder guide block 6 up and down is reserved on the limit baffle 2, and a chute for moving on the outer frame 4 is reserved. The purpose of the limiting baffle 2 is to limit one end of the pipe when the pipes with different lengths are measured, so that the two ends of the pipe can move to the inlet of the falling channel 7 as neatly as possible.

The limiting and fixing mechanism comprises a falling pipe guiding limiting block 51, a door opening and closing baffle 30 and a region to be detected 44, wherein the region to be detected 44 is arranged among the four directions of the ejection transmission power plate 29, the ejection transmission driven plate 52, the falling pipe guiding limiting block 51 and the door opening and closing baffle 30. The area 44 to be detected of the pipe fitting is arranged between the fixed pipe falling guide limiting block 51 and the door opening and closing baffle 30, the ejection transmission power plate 29 and the ejection transmission driven plate 52 clamp the pipe fitting and move to the area 44 to be detected to detect the pipe fitting, and therefore limitation of the upper direction, the lower direction, the front direction and the rear direction of the pipe fitting is achieved. The pipe falling guide limiting block 51 not only plays a role in guiding the pipe falling onto the baffle, but also plays a role in fixing the pipe in the limiting and fixing mechanism.

The measuring mechanism includes a measuring thimble 39, a detecting cylinder 34, a buffer spring 42, a coms displacement sensor 31 and a detecting reflection surface 32. The measuring thimble 39 is moved forward by the shaft of the detecting cylinder 39 pushing against the buffer spring 42 until the measuring thimble abuts against the end surface of the detecting pipe, at this time, the distance between the coms displacement sensor 31 and the detecting reflection surface is read, and the length of the detecting pipe can be compared with the initial value.

The utility model discloses a further use the principle to lie in, at first, the volume of awaiting measuring pipe fitting promotes 8 guide blocks of pay-off cylinder 5 through pay-off cylinder 8, sends out the pipe fitting after 9 correction cylinders promote through correction cylinder 9 guide blocks 6 with the pipe fitting position correction for become parallel back with feeding mechanism whereabouts passageway 7, through feeding mechanism whereabouts passageway 7, drop to baffle 45 on through the tube falling passageway 49 again.

And secondly, the ejection cylinder 15 drives the ejection transmission power plate 29 to eject and displace the pipe fitting to the area to be detected 44 through the ejection transmission driven plate 52 connected with the special-shaped connecting plate 19. The profiled connecting plate 19 is provided to ensure that the distance between the ejector drive power plate 29 and the ejector drive driven plate 52 is fixed.

At the moment, the pipe to be detected is limited in four directions by the ejection transmission power plate 29, the ejection transmission driven plate 52, the pipe falling guide limiting block 51 and the door opening and closing baffle 30. So that the pipe is opposite to the measuring limit thimble 20 and the measuring thimble 39 on a straight line.

The detection cylinder 34 then drives the measurement pin 39 to move. The front end of the measuring thimble 39 is always contacted with the end face of the product to be measured by cooperating with the buffer spring 42.

Finally, the coms displacement sensor 31 detects the change of the compression degree of the buffer spring 42 caused by the change of the length of the pipe, and the change of the relative distance between the detection reflecting surface 32 and the coms displacement sensor 31 is driven to judge the difference value of the product length. And further judging whether the pipe is a qualified product.

If the length of the pipe fitting is judged to be qualified by the PLC control system, the detection cylinder 34 drives the measurement thimble 39 to return, the door opening and closing cylinder 16 drives the door opening and closing baffle 30 to open, and qualified products fall into a qualified area. If the length of the pipe fitting is judged to be unqualified by the PLC control system, the sorting cylinder 22 drives the sorting guide plate 27, then the detection cylinder 34 drives the measurement ejector pin 39 to return, the door opening and closing cylinder 16 drives the door opening and closing baffle 30 to open the door, and the pipe fitting with the unqualified length falls to an unqualified area. The rear door opening and closing cylinder 16 drives the door opening and closing baffle 30 to close, and the ejection cylinder 15 drives the ejection transmission power plate 29 to be matched with the ejection transmission driven plate 52 connected with the ejection transmission power plate through the special-shaped connecting plate 19 and restore to the original position together, namely the ejection transmission power plate 29 and the ejection transmission driven plate 52 are initially connected to the position of the pipe falling from the pipe falling channel 49.

The above processes are repeated periodically, and the processes of measuring and sorting the pipe fittings are completed.

The measuring mechanism further comprises a fixing plate 35, an adjusting plate 36, a stop block 37, a measuring optical axis 33, a measuring bearing 38, a measuring thimble pressing plate 40 and a limiting plate 41; the two fixing plates 35 are connected through a measuring optical axis 33, a measuring bearing 38 is arranged at the joint of the measuring optical axis 33 and the fixing plates 35, an adjusting plate 36 is connected onto the measuring optical axis 33, a detecting cylinder 34 is arranged on one fixing plate 35 on the inner side of the two fixing plates 35, a coms displacement sensor 31 is arranged on one side of the other fixing plate 35, a detecting reflecting surface 32 is arranged at the position on the same side of the adjusting plate 36 corresponding to the position on the same side of the coms displacement sensor 31 on the fixing plate 35, the detecting cylinder 34 is connected with the adjusting plate through a buffer spring 42, and an output shaft of the detecting cylinder 34 penetrates through the buffer spring 42 and the; the measurement optical axis 33 passes through a fixing plate 35 connected with the coms displacement sensor 31 and is connected with a limiting plate 41, and the measurement thimble 39 is connected with the limiting plate 41 through a measurement thimble pressing plate 40. In the same manner, the measurement limiting ejector pin 20 is fixed on one side of the area to be detected 44 through the measurement limiting ejector pin pressing plate 21, so that the position of the measurement limiting ejector pin 20 is convenient to adjust when the pipe products with different lengths are measured, and meanwhile, the measurement limiting ejector pin 20 is ensured not to move when the pipe products are measured. The distance change between the fixed plate 35 and the adjusting plate 36 directly causes the distance change between the coms displacement sensor 31 and the detection reflecting surface 32 arranged on the same side between the fixed plate and the adjusting plate, so that the coms displacement sensor 31 detects the displacement change of the detection reflecting surface 32, and the coms displacement sensor 31 transmits the detected value to the PLC control system to judge whether the comparison is within the initially set pipe length range. The complete use principle of the measuring mechanism is as follows: the premise is that the pipe with the length to be measured is transmitted into the area to be measured 44, and between the measuring thimble 39 and the measuring limit thimble 20, firstly, an output shaft connected with a detecting cylinder 34 arranged on a fixing plate 35 drives a stop block 37 to directly abut against the measuring thimble 39, so that the measuring thimble 39 starts to move, and the front end of the measuring thimble 39 is matched with the end surface of the pipe to be measured to contact with the end surface of the pipe to be measured at any time; secondly, when the front end of the measuring thimble 39 is stressed, the limiting plate 41 drives the measuring optical axis 33 to move, further, the measuring optical axis 33 also drives the detecting reflection surface 32 arranged on the adjusting plate 36 to be close to the coms displacement sensor 31, and the numerical value detected by the coms displacement sensor 31 is transmitted to the PLC control system to judge whether the comparison is within the initially set pipe length range; and finally, the PLC control system compares the results to control the next operation of the sorting mechanism. If the length of the pipe fitting is judged to be qualified by the PLC control system, the detection cylinder 34 drives the measurement thimble 39 to return, the door opening and closing cylinder 16 drives the door opening and closing baffle 30 to open, and qualified products fall into a qualified area. If the length of the pipe fitting is judged to be unqualified by the PLC control system, the sorting cylinder 22 drives the sorting guide plate 27, then the detection cylinder 34 drives the measurement ejector pin 39 to return, the door opening and closing cylinder 16 drives the door opening and closing baffle 30 to open the door, and the pipe fitting with the unqualified length falls to an unqualified area. The rear door opening and closing cylinder 16 drives the door opening and closing baffle 30 to close, and the ejection cylinder 15 drives the ejection transmission power plate 29 to be matched with the ejection transmission driven plate 52 connected with the ejection transmission power plate through the special-shaped connecting plate 19 and restore to the original position together, namely the ejection transmission power plate 29 and the ejection transmission driven plate 52 are initially connected to the position of the pipe falling from the pipe falling channel 49. The stopper 37 functions to restrict the adjustment plate 36 from falling off with the measurement optical axis 33.

The measuring mechanism is arranged on one side of the bottom surface of the bearing platform 1, the measuring limiting ejector pin 20 is arranged on the other side of the bottom surface of the bearing platform 1, the measuring limiting ejector pin 20 is opposite to the measuring ejector pin 39 at the front end of the measuring mechanism, and the moving direction of the measuring ejector pin 39 and the measuring limiting ejector pin 20 are on the same straight line. Measuring mechanism sets up the position for waiting to detect one side of regional 44, measure spacing thimble 20 and set up the opposite side of waiting to detect regional 44, the purpose that sets up like this has realized measuring mechanism and whole pipe fitting length integral type detection device's integrated formula promptly, still be convenient for simultaneously when measuring the pipe fitting, realize screens and measuring effect to measuring two port directions of pipe fitting, carry out the omnidirectional spacing to waiting to detect the pipe fitting with guiding mechanism and spacing fixed establishment, guarantee that measuring pipe fitting length numerical value is very accurate.

The area to be inspected 44 of the pipe is arranged between the measuring and limiting thimble 20 and the measuring thimble 39. After the pipe to be measured is transmitted to the area 44 to be measured, the setting positions of the measuring thimble 39 and the measuring limit thimble 20 determine the speed of pipe measurement, and further, the setting positions of the measuring thimble 39 and the measuring limit thimble 20 improve the running speed of the whole pipe length integrated detection device.

The guide mechanism further comprises a tube falling guide plate 50, a parallel bearing 13, an optical axis 14 and an ejection driven cylinder 25, wherein the transmission path of the optical axis 14 is perpendicular to the movement path of a measuring thimble 39 of a measuring tube of the measuring mechanism, and the parallel bearing 13 is arranged on the optical axis 14. The parallel bearing 13 and the optical axis 14 are arranged for the purpose of facilitating horizontal transmission of the pipe fitting to the transmission channel of the area to be detected 44 after the pipe fitting falls to the pipe falling channel 49 from top to bottom, and preventing uncertainty of the direction of the pipe fitting transmission process from influencing the detection data difference of the pipe fitting and even the detection result accuracy of the pipe fitting; the ejection driven cylinder 25 is used for matching with the running direction consistency of the ejection cylinder 15 to ensure that the vibration of the equipment is reduced in the process of conveying the pipe clamped between the ejection transmission power plate 29 and the ejection transmission driven plate 52 when the pipe to be measured is conveyed. The falling pipe guide plate 50 and the falling pipe guide limiting block 51 realize the limiting effect on the falling passage of the pipe fitting.

The diameter of the end surface of the measuring thimble 39 contacting the pipe is the same as that of the end surface of the measuring limit thimble 20 contacting the pipe, and the diameter is smaller than or equal to the outer diameter of the pipe and larger than or equal to the inner diameter of the pipe. The purpose of the design that the diameters of the end surfaces of the measuring thimble 39 and the measuring limiting thimble 20 at the end contacting the pipe are the same is to make the stress of the end surface contacting the pipe uniform, so as to prevent the uneven stress of the pipe caused by the different stress of the end surface contacting the pipe, and further to prevent the bending of the middle part of the pipe or the abrasion of the end surface, and to influence the numerical accuracy of the final pipe detection. The diameter should be a numerical value between the outer diameter and the inner diameter of the pipe, the diameter of the measuring thimble 39 cannot be smaller than the inner diameter of the pipe, the purpose is to ensure that the contact end of the measuring thimble 39 or the measuring limiting thimble 20 and the pipe cannot be inserted into the pipe, the real value of the pipe measurement is smaller, the diameter of the measuring thimble 39 or the measuring limiting thimble 20 is too large, and the area 44 to be detected is directly enlarged, so that the structural compactness of the integral pipe length detection device is influenced, the integral detection device avoids the separation of a feeding mechanism and a measuring mechanism, the occupied space of the device is greatly saved, and the cost is further saved.

The guide mechanism, the limiting and fixing mechanism, the measuring mechanism and the sorting mechanism are connected with a plurality of connecting plates through a plurality of connecting blocks and are mutually connected and fixed at the bottom of the bearing platform 1; the ejection cylinder 15 and the door opening and closing cylinder 16 are fixedly connected through a connecting block I18 and are fixed on the bottom surface of the bearing platform 1 through the connecting block I18; the parallel bearing 13 is fixedly connected with the bearing platform 1 through a connecting block II 23; the door opening and closing baffle 30 is connected with the connecting plate I17 through a connecting block III 26; the connecting plate I17 is fixed on the parallel bearing 13 through a connecting block IV 43; the special-shaped connecting plate 19 is connected with the ejection transmission driven plate 52 through a connecting block V46 and a cushion block 55; the bearing platform 1 is fixedly connected with a connecting plate III 48 through a connecting block VI 47; the sorting cylinder 22 is fixedly connected with the connecting block VI 47 through a connecting plate III 48; the connecting block VII 53 is connected with the connecting block VIII 54 through a connecting plate II 24; the connecting plate II 24 is connected with the parallel bearing 13 through a connecting block VII 53; the connecting plate II 24 is connected with the bearing of the ejection cylinder 15 through a connecting block VIII 54. Most of the connecting blocks are arranged to directly or indirectly connect with a mechanism below the fixed bearing platform 1. The connecting plate I17 is used for connecting the connecting block III 26 with the connecting block VI 47, and linkage of the ejection transmission power plate 29 and the door opening and closing baffle 30 in the process of transmitting the pipe fitting to be detected to the area 44 to be detected is ensured. The connecting plate II 24 not only plays a role in connecting the connecting block VII 53 and the connecting block VIII 54, but also plays a role in matching with the ejection driven cylinder 25 to keep consistency with the ejection transmission direction of the ejection cylinder 15 when the ejection cylinder 15 performs ejection action on the pipe fitting, and plays a role in reducing the equipment vibration effect of the integral detection device for the length of the whole pipe fitting. The connecting plate III 48 is used for connecting and fixing the sorting cylinder 22 and the connecting block VI 47. The purpose of the cushion block 55 is to reasonably avoid collision with the special-shaped connecting plate 19 after the connecting block V46 is connected with the ejection transmission driven plate 52.

The bottom of the bearing platform 1 is provided with a bearing platform bracket 10, a clapboard 11 and a bottom plate 12. The bearing platform bracket 10 is arranged to cooperate with the bearing platform 1 to play a role of fixing and supporting for each mechanism of the whole pipe fitting length integrated detection device. The partition 11 and the bottom plate 12 are provided to isolate the electric cabinet 57 from the qualified pipe and the unqualified pipe.

The air pipe and control circuit wiring hole 56 is an air pipe wiring opening and a control circuit signal transmission hole of the whole pipe fitting length integrated detection device, bearing platform supports 10 are arranged at four corner positions of the bearing platform 1, a bottom plate 12 is arranged at the bottom of each bearing platform support 10, and a partition plate 11 is fixed between each bottom plate 12 and the corresponding bearing platform 1. The cylinder control circuit at the upper end of the bearing platform 1 is connected with an electric control box 57 at the lower end of the bearing platform 1 through an air pipe and a control circuit wiring hole 56.

Claims

1. The integrated pipe length detection device comprises a bearing platform (1) for installing the whole automatic detection device, wherein a feeding mechanism for normally and orderly controlling the transmission of the pipe is arranged on the bearing platform (1), a guide mechanism and a limiting and fixing mechanism for the pipe are arranged on the bottom surface of the bearing platform (1), and a measuring mechanism for measuring the length of the pipe is also arranged on the bottom surface of the bearing platform (1); it is characterized in that a falling channel (7) in the vertical direction is arranged in the feeding mechanism; the guide mechanism comprises a pipe falling channel (49), a baffle plate (45), an ejection cylinder (15), an ejection transmission power plate (29) and an ejection transmission driven plate (52); the pipe falling channel (49) is communicated with the pipe falling channel (7) in an opposite mode, and the ejection transmission power plate (29) is connected with the ejection transmission driven plate (52) through a special-shaped connecting plate (19); the limiting and fixing mechanisms are arranged on the upper side and the lower side of the pipe fitting detection position; the measuring mechanism is arranged at the left end and the right end of the pipe fitting detection position.

2. The pipe length integrated detection device of claim 1, wherein: still including letter sorting mechanism, letter sorting mechanism is including switch door cylinder (16), letter sorting deflector (27) and letter sorting cylinder (22), and switch door cylinder (16) are connected with bottom switch door baffle (30) of awaiting measuring measurement tubular product, and letter sorting deflector (27) and letter sorting cylinder (22) are connected.

3. The pipe length integrated type detection device according to claim 1 or 2, wherein: the feeding mechanism comprises a limiting baffle (2), an inclined plate (3), an outer frame (4), a feeding cylinder guide block (5), a correcting cylinder guide block (6) and a falling channel (7), the inclined plate (3) is a pipe transmission path of the whole feeding mechanism, the upper portion of the inclined plate (3) is provided with the limiting baffle (2), the feeding cylinder guide block (5) and the correcting cylinder guide block (6), the lower portion of the inclined plate (3) is provided with a feeding cylinder (8) and a correcting cylinder (9), the feeding cylinder (8) and the correcting cylinder guide block (6) are respectively connected, and the falling channel (7) is arranged between the front end of the inclined plate (3) and the outer frame (4).

4. The pipe length integrated detection device of claim 3, wherein: the limiting baffle (2) is arranged on the inclined plate (3) and the outer frame (4), a chute for the feeding cylinder guide block (5) and the correction cylinder guide block (6) to move up and down is reserved on the limiting baffle (2), and a chute for the outer frame (4) to move is reserved.

5. The pipe length integrated type detection device according to claim 1, 2 or 4, wherein: the limiting and fixing mechanism comprises a falling pipe guide plate (50), a falling pipe guide limiting block (51), a door opening and closing baffle (30) and a to-be-detected region (44) of the to-be-detected region, wherein the to-be-detected region (44) is arranged among four positions of an ejection transmission power plate (29), an ejection transmission driven plate (52), the falling pipe guide limiting block (51) and the door opening and closing baffle (30).

6. The pipe length integrated detection device of claim 3, wherein: the limiting and fixing mechanism comprises a falling pipe guiding limiting block (51), a door opening and closing baffle (30) and a region to be detected (44) of a region to be detected, wherein the region to be detected (44) is arranged among four positions of an ejection transmission power plate (29), an ejection transmission driven plate (52), the falling pipe guiding limiting block (51) and the door opening and closing baffle (30).

7. The pipe length integrated type detection device according to claim 1, 2, 4 or 6, wherein: the measuring mechanism comprises a measuring thimble (39), a detecting cylinder (34), a buffer spring (42), a coms displacement sensor (31) and a detecting reflecting surface (32).

8. The pipe length integrated detection device of claim 3, wherein: the measuring mechanism comprises a measuring thimble (39), a detecting cylinder (34), a buffer spring (42), a coms displacement sensor (31) and a detecting reflecting surface (32).

9. The pipe length integrated detection device of claim 5, wherein: the measuring mechanism comprises a measuring thimble (39), a detecting cylinder (34), a buffer spring (42), a coms displacement sensor (31) and a detecting reflecting surface (32).

10. The pipe length integrated detection device of claim 7, wherein: the measuring mechanism also comprises a fixing plate (35), an adjusting plate (36), a stop block (37), a measuring optical axis (33), a measuring bearing (38), a measuring thimble pressing plate (40) and a limiting plate (41); the two fixing plates (35) are connected through a measuring optical axis (33), a measuring bearing (38) is arranged at the joint of the measuring optical axis (33) and the fixing plates (35), an adjusting plate (36) is connected onto the measuring optical axis (33), a detecting cylinder (34) is arranged on one fixing plate (35) on the inner side of the two fixing plates (35), a coms displacement sensor (31) is arranged on one side of the other fixing plate (35), a detecting reflecting surface (32) is arranged at the position on the same side of the adjusting plate (36) corresponding to the position on the same side of the coms displacement sensor (31) on the fixing plate (35), the detecting cylinder (34) is connected with the adjusting plate through a buffer spring (42), and an output shaft of the detecting cylinder (34) penetrates through the buffer spring (42) and the adjusting plate (36); the measuring optical axis (33) penetrates through a fixing plate (35) connected with a coms displacement sensor (31) and is connected with a limiting plate (41), and a measuring thimble (39) is connected to the limiting plate (41) through a measuring thimble pressing plate (40).

11. The pipe length integrated type detection device according to claim 8 or 9, wherein: the measuring mechanism also comprises a fixing plate (35), an adjusting plate (36), a stop block (37), a measuring optical axis (33), a measuring bearing (38), a measuring thimble pressing plate (40) and a limiting plate (41); the two fixing plates (35) are connected through a measuring optical axis (33), a measuring bearing (38) is arranged at the joint of the measuring optical axis (33) and the fixing plates (35), an adjusting plate (36) is connected onto the measuring optical axis (33), a detecting cylinder (34) is arranged on one fixing plate (35) on the inner side of the two fixing plates (35), a coms displacement sensor (31) is arranged on one side of the other fixing plate (35), a detecting reflecting surface (32) is arranged at the position on the same side of the adjusting plate (36) corresponding to the position on the same side of the coms displacement sensor (31) on the fixing plate (35), the detecting cylinder (34) is connected with the adjusting plate through a buffer spring (42), and an output shaft of the detecting cylinder (34) penetrates through the buffer spring (42) and the adjusting plate (36); the measuring optical axis (33) penetrates through a fixing plate (35) connected with a coms displacement sensor (31) and is connected with a limiting plate (41), and a measuring thimble (39) is connected to the limiting plate (41) through a measuring thimble pressing plate (40).

12. The pipe length integrated type detection device according to claim 8 or 9, wherein: the measuring mechanism is arranged on one side of the bottom surface of the bearing platform (1), the measuring limiting ejector pin (20) is arranged on the other side of the bottom surface of the bearing platform (1), the measuring limiting ejector pin (20) is opposite to the measuring ejector pin (39) at the front end of the measuring mechanism, and the moving direction of the measuring ejector pin (39) is on the same straight line with the measuring limiting ejector pin (20).

13. The pipe length integrated detector of claim 11, wherein: the measuring mechanism is arranged on one side of the bottom surface of the bearing platform (1), the measuring limiting ejector pin (20) is arranged on the other side of the bottom surface of the bearing platform (1), the measuring limiting ejector pin (20) is opposite to the measuring ejector pin (39) at the front end of the measuring mechanism, and the moving direction of the measuring ejector pin (39) is on the same straight line with the measuring limiting ejector pin (20).

14. The pipe length integrated detector of claim 10, wherein: the measuring mechanism is arranged on one side of the bottom surface of the bearing platform (1), the measuring limiting ejector pin (20) is arranged on the other side of the bottom surface of the bearing platform (1), the measuring limiting ejector pin (20) is opposite to the measuring ejector pin (39) at the front end of the measuring mechanism, and the moving direction of the measuring ejector pin (39) is on the same straight line with the measuring limiting ejector pin (20).

15. The pipe length integrated type detection device according to claim 8, 9 or 13, wherein: the area (44) to be detected of the pipe fitting is arranged between the measuring limit thimble (20) and the measuring thimble (39).

16. The pipe length integrated detector of claim 11, wherein: the area (44) to be detected of the pipe fitting is arranged between the measuring limit thimble (20) and the measuring thimble (39).

17. The pipe length integrated detector of claim 14, wherein: the guide mechanism further comprises a tube falling guide plate (50), a parallel bearing (13), an optical axis (14) and an ejection driven cylinder (25), a transmission path of the optical axis (14) is perpendicular to a movement path of a measuring thimble (39) of a measuring pipe fitting of the measuring mechanism, and the parallel bearing (13) is arranged on the optical axis (14).

18. The pipe length integrated detector of claim 15, wherein: the diameter of the end face of the measuring thimble (39) contacting the pipe end is the same as that of the end face of the measuring limiting thimble (20), and the diameter is smaller than or equal to the outer diameter of the pipe and larger than or equal to the inner diameter of the pipe.

19. The pipe length integrated detector of claim 16, wherein: the guide mechanism, the limiting and fixing mechanism, the measuring mechanism and the sorting mechanism are connected with a plurality of connecting plates through a plurality of connecting blocks and are mutually connected and fixed at the bottom of the bearing platform (1); the ejection cylinder (15) is fixedly connected with the door opening and closing cylinder (16) through a connecting block I (18) and is fixed on the bottom surface of the bearing platform (1) through the connecting block I (18); the parallel bearing (13) is fixedly connected with the bearing platform (1) through a connecting block II (23); the door opening and closing baffle (30) is connected with the connecting plate I (17) through a connecting block III (26); the connecting plate I (17) is fixed on the parallel bearing (13) through a connecting block IV (43); the special-shaped connecting plate (19) is connected with the ejection transmission driven plate (52) through a connecting block V (46) and a cushion block (55); the bearing platform (1) is fixedly connected with a connecting plate III (48) through a connecting block VI (47); the sorting cylinder (22) is fixedly connected with the connecting block VI (47) through a connecting plate III (48) 48; the connecting block VII (53) is connected with the connecting block VIII (54) through a connecting plate II (24); the connecting plate II (24) is connected with the parallel bearing (13) through a connecting block VII (53); the connecting plate II (24) is connected with a bearing of the ejection cylinder (15) through a connecting block VIII (54).

20. The pipe length integrated type detection device according to claim 1, 2, 4, 8, 9 or 13, wherein: the bottom of the bearing platform (1) is provided with a bearing platform support (10), a partition plate (11) and a bottom plate (12), the bearing platform support (10) is arranged at four corner positions of the bearing platform (1), the bottom of the bearing platform support (10) is provided with the bottom plate (12), and the partition plate (11) is fixed between the bottom plate (12) and the bearing platform (1).

21. The pipe length integrated detector of claim 11, wherein: the bottom of the bearing platform (1) is provided with a bearing platform support (10), a partition plate (11) and a bottom plate (12), the bearing platform support (10) is arranged at four corner positions of the bearing platform (1), the bottom of the bearing platform support (10) is provided with the bottom plate (12), and the partition plate (11) is fixed between the bottom plate (12) and the bearing platform (1).