Laser measuring system and measuring method for ring piece machining length measurement

Abstract

The application discloses a laser measuring system and a measuring method for ring piece machining length measurement, and belongs to the technical field of size detection. The laser measuring system and the measuring method for ring piece machining length measurement comprise a base, the upper end of the base is provided with a pressing plate, and a second movable hole with a second detection arm is longitudinally arranged in the base. The application solves the problems of the existing stone honeycomb board, such as large occupied area, difficult equipment placement and poor fluidity. After the second hydraulic telescopic rod is elongated to push, the second detection arm can simultaneously drive the second clamping piece and the first abutting roller to move towards the ring piece until the second pressure sensor detects the pressure and gives a signal of stopping contraction to the second hydraulic telescopic rod. The single-position second laser measuring instrument respectively irradiates on the second clamping piece and the rotatable shielding piece to directly detect the inner diameter and the outer diameter of the ring piece.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of size detection, in particular to a laser measuring system and a measuring method for measuring the length of a ring piece. BACKGROUND

[0002] The laser measuring device is used for accurately measuring the processing length of a ring piece in ring piece processing. The device mainly realizes non-contact measurement of the height and thickness of the ring piece through laser technology. The device can accurately capture the size information of the ring piece by utilizing the high precision and straight propagation characteristics of the laser beam, and avoids the errors that may be caused by contact in the traditional measurement method. The laser measuring device not only improves the accuracy and efficiency of measurement, but also meets the measurement requirements of ring pieces of different shapes and sizes, and provides reliable data support for ring piece processing. The laser measuring device is an important tool in the field of ring piece processing, and ensures the stability and consistency of the processing quality.

[0003] A large ring piece rolling secondary size measurement and verification equipment is disclosed in Chinese Patent No. CN119281989B. The equipment includes a base, a measurement assembly, a clamping and lifting assembly, and a detection assembly arranged on the base. The measurement assembly includes a conveyor belt, a plurality of moving seats are equidistantly arranged on the outer side of the conveyor belt, and an X-axis data collector is arranged on each moving seat. The cooperation of the X-axis data collector and a Y-axis data collector facilitates the calculation of the radius of the ring piece and the center point of the ring piece, improves the efficiency of measuring the ring piece, and facilitates the detection of the ring piece by using the gravity of the ring piece to support the lower end of the ring piece, thereby improving the measurement effect of the ring piece.

[0004] The stone honeycomb panel of the above-mentioned patent has a large base arranged at the rear end in actual use, and the large occupation area makes it difficult to place the equipment. In the process of detecting the size of the ring piece, the abutting roller needs to be frequently rotated and adjusted, which reduces the smoothness of the equipment detection size process and the detection efficiency. SUMMARY

[0005] The purpose of the present application is to provide a laser measuring system and a measuring method for measuring the length of a ring piece. After the second hydraulic telescopic rod is extended to push, the second detection arm can simultaneously drive the second clamping piece and the first abutting roller to move towards the ring piece until the second pressure sensor detects the pressure and gives a signal to stop the contraction of the second hydraulic telescopic rod. The second laser measuring instrument at a single position respectively irradiates the second clamping piece and the rotatable shielding piece to directly detect the inner diameter and the outer diameter of the ring piece. The occupation area of the whole equipment is reduced, and only the second laser measuring instrument needs to be turned on and the shielding piece needs to be adjusted during the detection process. The data detection is convenient and the occupation area of the whole device is reduced, which solves the problems raised in the above background.

[0006] In order to achieve the above object, the present application provides the following technical scheme: a laser measuring system for ring piece processing length measurement, comprising a base, the upper end of the base is provided with a pressing plate, the inside of the base is longitudinally provided with a second movable hole with a second detection arm, the lower end of the second movable hole is provided with a second hydraulic telescopic rod, the front end of the second detection arm is provided with a first abutting roller, the lower end of the first abutting roller is provided with a second clamping piece, the upper end of the outer wall of the second clamping piece and the first abutting roller is provided with a second pressure sensor electrically connected with the second hydraulic telescopic rod, the inside of the first abutting roller is provided with a first movable rail, the outside of the first movable rail is provided with a shielding piece, the inner and outer walls of the ring piece are adhered through the first abutting roller and the second clamping piece respectively, which can facilitate the detection of the inner diameter and the outer diameter, the second laser measuring instrument emits laser during the detection process and detects the distance, when the detection position of the second laser measuring instrument is adjusted, the rotation of the shielding piece can limit the track of the laser emitted by the second laser measuring instrument, and the data detection of the inner diameter and the outer diameter can be adjusted.

[0007] Preferably, the outside of the shielding piece is slidably connected with the inside of the first movable rail, after the shielding piece is rotated and turned away from the fixed piece, the uppermost surface of the shielding piece is the same height as the uppermost surface of the first abutting roller, after the shielding piece moves along the first movable rail, it can be turned and detected by the second laser measuring instrument, and after the shielding piece is turned, it is tangent to the outer wall of the first abutting roller, so that after the first abutting roller contacts the ring piece, the turning of the shielding piece can be irradiated by the second laser measuring instrument and the distance data can be detected.

[0008] Preferably, the two sides of the lower end of the outside of the pressing plate are provided with third movable blocks, the two sides of the upper end of the outside of the base towards the pressing plate are provided with first movable blocks, and the inside of the first movable block and the third movable block are both rotatably provided with a second abutting roller, the ring piece can be fixed by contacting the ring piece through the second abutting roller, and the fixed ring piece can be conveniently rotated for adjusting the measurement position.

[0009] Preferably, one end of one of the first movable blocks is provided with a motor, and the output shaft of the motor is rotatably connected with the center position of the corresponding second abutting roller of the first movable block, after the ring piece is clamped by a pair of second abutting rollers at the upper and lower ends, the rotation of the second abutting roller can actively rotate the ring piece.

[0010] Preferably, the outer walls of the first movable block and the third movable block are both provided with connecting blocks, the inside of the corresponding connecting blocks of the first movable block and the third movable block are both provided with second threaded rods matched in screwing, the distance between the two second abutting rollers at the upper and lower ends of the ring piece can be adjusted by rotating the position of the second threaded rod.

[0011] Preferably, the inside of the pressing plate is longitudinally provided with a first movable hole, the inside of the first movable hole is longitudinally provided with a first detection arm, and the first detection arm extends from the first movable hole to one end of the second hydraulic telescopic rod. The first detection arm can be adjusted horizontally in the first movable hole.

[0012] Preferably, one end of the second hydraulic telescopic rod is provided with a first hydraulic telescopic rod. The height of the first detection arm can be adjusted horizontally by pushing the first hydraulic telescopic rod, so that the first detection arm can contact the upper end of the outside of the ring and press and detect the size of the ring.

[0013] Preferably, the outer wall of the first detection arm is provided with a second laser measuring instrument through a bolt. By pushing the first detection arm, the fixed second clamping piece and the rotatable shielding piece, different size data corresponding to different positions can be detected.

[0014] Preferably, the lower end of the second detection arm is connected to the lower end of the second clamping piece through a first spring. The side between the second clamping piece and the first abutting roller is provided with a fixed piece, and the fixed piece is welded with the second detection arm. The fixed piece and the lower end of the first abutting roller are provided with a first spring. The first abutting roller and the second clamping piece can move with the second detection arm by the resilience of the first spring. After moving, the resilience of the first spring can actively make the second clamping piece and the first abutting roller contact the inner wall and the outer wall of the ring in turn, so that the second detection arm can contact the inner wall and the outer wall in longitudinal movement at a single position.

[0015] The measurement method of the laser measurement system for measuring the length of the ring piece, comprising the following steps:

[0016] Step one, place the lower end of the ring on the upper end of the second abutting roller supported by a pair of first movable blocks, and the first abutting roller is directly embedded in the hollow position inside the ring;

[0017] Step two, move the pressing plate downward to move the second abutting roller through the third movable block until the second abutting roller corresponding to the third movable block contacts the upper end of the ring;

[0018] Step three, the second hydraulic telescopic rod is extended to drive the second detection arm to move in the second movable hole until the second pressure sensor corresponding to the first abutting roller and the second clamping piece contacts the ring at the same time;

[0019] Step four, the first hydraulic telescopic rod drives the first detection arm to move towards the upper end of the ring until the second pressure sensor contacts and presses the surface of the ring;

[0020] Step five, the second laser measuring instrument emits laser on the surface of the second clamping piece to measure the length of the outer diameter of the whole ring piece, the motor built in the first movable rail drives the shielding piece to rotate along the first movable rail, the rotation of the first movable rail shields the laser emitting position of the second laser measuring instrument, the distance from the outer wall to the inner wall of the ring piece can be detected by the second laser measuring instrument, and the inner diameter of the ring piece can be calculated by the distance and the outer diameter.

[0021] Compared with the prior art, the present application has the following advantages:

[0022] 1、The second hydraulic telescopic rod pushes the rear end of the ring piece, and the rebounding of the first spring in cooperation with the pushing of the second hydraulic telescopic rod can make the second clamping piece and the first abutting roller contact and extrude the inner wall and the outer wall of the ring piece one by one, so that the second laser measuring instrument attached to the upper end of the outer ring piece detects the distance between the inner diameter and the outer diameter one by one by relying on the second clamping piece and the first abutting roller, and the adjustment detection only needs to drive the rotatable shielding piece by the motor, the second laser measuring instrument emits laser on the surface of the second clamping piece to measure the outer diameter, and the second laser measuring instrument emits laser on the shielding piece after rotation to measure the inner diameter, so that the efficiency is high, the accuracy is good, and the number of structures that need to be adjusted and the steps of adjustment in the process of detecting the inner diameter and the outer diameter are reduced.

[0023] 2、The present application is provided with a pair of first clamping pieces that can rotate on the side surface of the pressing plate and the base, one of the first clamping pieces is provided with a first laser measuring instrument for detecting the thickness of the ring piece, and the corresponding inner diameter and outer diameter size of the remaining ring piece is matched with a second laser measuring instrument to detect the size, the number of laser measuring instruments used in the whole detection process is reduced, the number of laser measuring instruments required is reduced, and the maintenance cost and manufacturing cost of the equipment are reduced. ACCURACY

[0024] Figure 1 It is a schematic diagram of the overall external structure of the present application;

[0025] Figure 2 It is a schematic diagram of the first clamping piece flip trajectory of the present application;

[0026] Figure 3 It is a first abutting roller and second clamping piece position relationship sectional view of the present application;

[0027] Figure 4 It is a schematic diagram of the laser trajectory of the second laser measuring instrument of the present application;

[0028] Figure 5 It is a Figure 4 It is a local enlarged view of area A of the present application;

[0029] Figure 6 It is a shielding piece transmission structure sectional view of the present application;

[0030] Figure 7 This is a cross-sectional view showing the positional relationship of the second hydraulic telescopic rod of the present invention;

[0031] Figure 8 For the present invention Figure 7 Enlarged view of a portion of region B in the middle;

[0032] Figure 9 For the present invention Figure 7 Enlarged view of a portion of region C in the middle;

[0033] Figure 10 This is a cross-sectional view of the internal structure of the third movable rail of the present invention.

[0034] In the diagram: 1. Base; 2. Ring; 3. Pressing plate; 4. First threaded rod; 5. First movable hole; 6. First detection arm; 7. Second movable hole; 8. Second detection arm; 9. First movable block; 10. Second threaded rod; 11. Second movable block; 12. Third threaded rod; 13. Transmission rod; 14. First clamping plate; 16. First laser measuring instrument; 17. First pressure sensor; 18. Second clamping plate; 19. First spring; 20. First abutting roller; 21. Shielding plate; 22. Second pressure sensor; 23. Fixing plate; 24. Second laser measuring instrument; 25. First movable rail; 26. Third movable block; 27. Second abutting roller; 28. Connecting block; 29. ​​Second movable rail; 30. Second spring; 31. Third movable rail; 32. First hydraulic telescopic rod; 33. Second hydraulic telescopic rod; 34. Fourth threaded rod. Detailed Implementation

[0035] The present invention will be further described below with reference to specific embodiments.

[0036] Example 1: As Figure 1 As shown, the laser measurement system for measuring the processing length of ring parts in this embodiment includes a base 1, a pressing plate 3 is provided at the upper end of the base 1, the ring part 2 to be detected is placed between the pressing plate 3 and the base 1 for detection, a first threaded rod 4 is vertically provided inside the base 1, and the first threaded rod 4 passes through the pressing plate 3 and is threadedly engaged with the through position of the pressing plate 3. The pressing plate 3 can be moved longitudinally by rotating the first threaded rod 4 horizontally.

[0037] The pressing plate 3 has a first movable hole 5 that runs longitudinally through its interior, and the base 1 has a second movable hole 7 that runs longitudinally through its interior. The second movable hole 7 has a second detection arm 8 that is vertically arranged inside it for contacting and fitting the ring 2. The lower end of the second movable hole 7 has a second hydraulic telescopic rod 33, and the two ends of the second hydraulic telescopic rod 33 are fixedly connected to the base 1 and the second detection arm 8 respectively by bolts. The connection of the bolts and the extension and retraction of the second hydraulic telescopic rod 33 can adjust the horizontal position of the second detection arm 8 inside the second movable hole 7 to adapt to rings 2 of different sizes.

[0038] In this embodiment, in order to fit the inner wall and outer wall of the ring 2 respectively, the front end of the second detection arm 8 is provided with a first abutting roller 20, and the lower end of the first abutting roller 20 is provided with a second clamping piece 18. During the longitudinal horizontal movement of the second detection arm 8, the second clamping piece 18 and the first abutting roller 20 will move synchronously.

[0039] Furthermore, such as Figure 4 As shown, the lower end of the second detection arm 8 is connected to the lower end of the second clamping plate 18 by a first spring 19. A fixing plate 23 is provided on one side between the second clamping plate 18 and the first abutting roller 20, and the fixing plate 23 is welded and fixed to the second detection arm 8. A first spring 19 is provided between the fixing plate 23 and the lower end of the first abutting roller 20. The first abutting roller 20 and the second clamping plate 18 move with the second detection arm 8 through the connection of the first spring 19. The elasticity of the first spring 19 allows the first abutting roller 20 and the second clamping plate 18 to be adapted to rings 2 of different sizes, so that the rings 2 can contact the first abutting roller 20 and the second clamping plate 18 at the same time.

[0040] It is worth mentioning that, in order to stop the extension of the second hydraulic telescopic rod 33 after the first abutting roller 20 and the second clamping piece 18 simultaneously contact the ring 2, as follows: Figure 5 As shown, a second pressure sensor 22 is provided at the upper end of the outer wall of the second clamping piece 18 and the first abutting roller 20, and the second pressure sensor 22 is electrically connected to the second hydraulic telescopic rod 33. After the two second pressure sensors 22 detect the pressure at the same time, the second pressure sensor 22 gives the second hydraulic telescopic rod 33 a stop and start signal.

[0041] In order to press and fix the ring piece 2, the inside of the first movable hole 5 is provided with a first detection arm 6, and the first detection arm 6 extends from the position of the first movable hole 5 to one end of the second hydraulic telescopic rod 33, and one end of the second hydraulic telescopic rod 33 is provided with the first hydraulic telescopic rod 32, and the two ends of the first hydraulic telescopic rod 32 are fixedly connected with the base 1 and the first detection arm 6 through bolts, and the contraction of the first hydraulic telescopic rod 32 can actively make the first detection arm 6 extend from the first movable hole 5, move from the first movable hole 5 to the upper end of the outer wall of the ring piece 2 and extrude the upper end of the outer wall of the ring piece 2, so as to fix the ring piece 2 to be detected;

[0042] Further, as shown in Figure 8 , the outer wall of the first detection arm 6 is provided with the second laser measuring instrument 24 through bolts, and the laser emitting position of the second laser measuring instrument 24 is flush with the lower end of the first detection arm 6. In the process of longitudinal movement of the first detection arm 6, the first detection arm 6 will synchronously drive the second laser measuring instrument 24 to move longitudinally. After the first detection arm 6 is attached to the outer wall of the ring piece 2, the second laser measuring instrument 24 can be tangent to the ring piece 2 and improve the accuracy of detecting the size of the ring piece 2;

[0043] Among them, as shown in Figure 6 , the inside of the first abutting roller 20 is provided with the first movable track 25, the outside of the first movable track 25 is provided with the shielding piece 21, and the outside of the shielding piece 21 is slidably connected with the inside of the first movable track 25. The shielding piece 21 can be flipped by rotating along the first movable track 25. Flipping the shielding piece 21 can limit the laser emitting position of the second laser measuring instrument 24. After the shielding piece 21 is rotated and flipped away from the fixed piece 23, the uppermost surface of the shielding piece 21 is the same height as the uppermost surface of the first abutting roller 20. The second laser measuring instrument 24 can measure the inner diameter and outer diameter values by respectively irradiating the shielding piece 21 and the second clamping piece 18 with laser;

[0044] In order to adapt to different ring pieces 2, the two sides of the lower end of the pressing plate 3 are provided with the third movable block 26, and the two sides of the upper end of the base 1 towards the pressing plate 3 are provided with the first movable block 9, and the inside of the first movable block 9 and the third movable block 26 are rotatably provided with the second abutting roller 27. The second abutting roller 27 can extrude and clamp the ring piece 2, and the rotation of the second abutting roller 27 can adjust the clamping angle of the ring piece 2;

[0045] In this embodiment, one end of one of the first movable blocks 9 is provided with a motor, and the output shaft of the motor is rotatably connected with the center position of the corresponding second abutting roller 27 of the first movable block 9. The output of the motor can actively drive the second abutting roller 27 to rotate, and actively drive the ring piece 2 to rotate;

[0046] Further, the outer walls of the first movable block 9 and the third movable block 26 are provided with the connecting block 28, as shown inFigure 2 As shown, the first movable block 9 and the third movable block 26 are both provided with the second threaded rod 10 inside the connecting block 28, and the outside of the second threaded rod 10 is threadedly connected with the penetrating position of the connecting block 28, and the distance between the second abutting rollers 27 can be actively adjusted by rotating the second threaded rod 10;

[0047] In order to detect the thickness of the ring 2, the upper end of the base 1 is provided with the third threaded rod 12, and the upper end of the outside of the third threaded rod 12 is provided with the second movable block 11, and the third threaded rod 12 penetrates the second movable block 11 and is threadedly connected with the penetrating position of the second movable block 11, and the second movable block 11 can be moved by rotating the third threaded rod 12, and the different positions of the ring 2 are adapted;

[0048] Among them, the second movable block 11 is provided with a transmission rod 13 on one side, and the transmission rod 13 is rotatably connected with the second movable block 11, and the first clamping piece 14 can be turned over by rotating the transmission rod 13 driven by the motor, and the transmission rod 13 is provided with a pair of first clamping pieces 14 on one side of the outside, one of the first clamping pieces 14 is welded and fixed with the outer wall of the transmission rod 13, and the other first clamping piece 14 is embedded in the inside of the transmission rod 13 and is slidably connected with the inside of the transmission rod 13, as Figure 2 As shown, the inside of the transmission rod 13 is provided with the fourth threaded rod 34, and the outside of the fourth threaded rod 34 is threadedly connected with the penetrating position of the other first clamping piece 14, and the two first clamping pieces 14 can be moved relatively by rotating the fourth threaded rod 34, and the distance between the two first clamping pieces 14 can be clamped, and the rear end of the ring 2 can be measured by clamping the ring 2;

[0049] In addition, in order to detect the rear end of the ring 2, the first clamping piece 14 penetrated by the fourth threaded rod 34 is provided with the first laser measuring instrument 16 towards the first clamping piece 14 welded to the transmission rod 13, and the laser emitting position of the first laser measuring instrument 16 is flush with the outer wall of the first clamping piece 14, and the two first clamping pieces 14 are respectively attached to the front and rear ends of the ring 2, and the distance between the two first clamping pieces 14 is detected by the first laser measuring instrument 16 emitting laser;

[0050] In order to stop the rotation of the third threaded rod 12 position in time, avoid a pair of first clamping piece 14 over clamping ring 2, the first clamping piece 14 welded on the outer wall of the transmission rod 13 is provided with a first pressure sensor 17, in the process of the fourth threaded rod 34 rotating and driving the first clamping piece 14 moving transversely, the first clamping piece 14 will push the ring 2, the first clamping piece 14 pushes the matching force, finally makes a pair of first clamping piece 14 can clamp the front and back ends of the ring 2, the clamping can facilitate the first laser measuring instrument 16 laser emission and the detection of the rear end of the ring 2, after a pair of first clamping piece 14 clamping the ring 2, the first pressure sensor 17 can detect the pressure, and the first pressure sensor 17 will give the fourth threaded rod 34 corresponding motor a start signal, can stop the start signal of the fourth threaded rod 34;

[0051] In order to improve the stability of the movement of the first abutting roller 20 and the second clamping piece 18, as shown in Figure 7 and Figure 9 The rear end and the side surface of the second detection arm 8 are provided with recessed second movable tracks 29, the first abutting roller 20 and the second clamping piece 18 are both slidingly embedded in the second movable tracks 29, through the limitation and flow guide of the second movable tracks 29, the second clamping piece 18 can stably move horizontally along the second detection arm 8 after being extruded by the ring 2, and the stability of the movement of the second clamping piece 18 and the first abutting roller 20 is improved;

[0052] In order to cope with the defective ring 2, the protrusions on the surface of the ring 2 will cause extrusion to the second abutting roller 27, the first movable block 9 and the corresponding connecting block 28 at the lower end are welded and fixed, as shown in Figure 10 The front and back ends of the third movable block 26 corresponding connecting block 28 inside are recessed and provided with third movable tracks 31, and the third movable block 26 is embedded in the third movable tracks 31 and is slidingly connected with the inside of the third movable tracks 31, through the sliding of the third movable block 26 in the third movable tracks 31, the protrusions on the surface of the ring 2 can be coped with, the inside of the third movable tracks 31 is vertically provided with a second spring 30, and the two ends of the second spring 30 are respectively welded and fixed with the connecting block 28 and the third movable block 26, after the protrusions on the surface of the ring 2, the protrusions will cause the third movable block 26 to move in the third movable tracks 31, the resilience of the second spring 30 will actively make the second abutting roller 27 extrude and continuously adhere to the upper end of the outside of the ring 2, and the second spring 30 and the third movable tracks 31 provide buffering capacity and buffering area.

[0053] Working principle: the lower end of the ring 2 is placed on the upper end of the second abutting roller 27 supported by a pair of first movable blocks 9, the first abutting roller 20 is directly embedded in the hollow position inside the ring 2 while the ring 2 is placed, the first threaded rod 4 is started corresponding to the motor and makes the first threaded rod 4 rotate, the rotation of the first threaded rod 4 makes the pressing plate 3 move in the longitudinal horizontal position after being limited by the base 1, the longitudinal downward movement of the pressing plate 3 drives the second abutting roller 27 to move through the third movable block 26, until the third movable block 26 corresponding to the second abutting roller 27 contacts the upper end of the ring 2, the second hydraulic telescopic rod 33 is started and elongated, the elongation of the second hydraulic telescopic rod 33 drives the second detection arm 8 to move in the second movable hole 7, the second detection arm 8 drives the first abutting roller 20 and the second clamping piece 18 to move towards the ring 2 through two first springs 19, until the first abutting roller 20 and the second clamping piece 18 corresponding to the second pressure sensor 22 contact the ring 2 at the same time, the second pressure sensor 22 gives a signal to the second hydraulic telescopic rod 33 to stop elongation, the first hydraulic telescopic rod 32 is retracted and drives the first detection arm 6 to move towards the upper end of the ring 2, until the second pressure sensor 22 at the lower end of the first detection arm 6 contacts and presses the surface of the ring 2, the second pressure sensor 22 detects the pressure and gives a signal to the first hydraulic telescopic rod 32 to stop retraction, the second laser measuring instrument 24 emits laser to the surface of the second clamping piece 18 to measure the outer diameter length of the whole ring 2, the motor drives the shielding piece 21 in the first movable rail 25 to rotate along the first movable rail 25, the rotation of the first movable rail 25 shields the laser emission position of the second laser measuring instrument 24, the distance from the outer wall to the inner wall of the ring 2 can be detected by the second laser measuring instrument 24, the inner diameter of the ring 2 can be calculated by the distance and the outer diameter, the motor drives the transmission rod 13 to rotate, so that the two first clamping pieces 14 outside the transmission rod 13 move to the front and back ends of the ring 2 respectively, the fourth threaded rod 34 is driven to rotate, the rotation of the fourth threaded rod 34 drives one of the movable first clamping pieces 14 transversely, the first clamping piece 14 adheres to and pushes the ring 2, and the position of the ring 2 is fine adjusted by force, so that the ring 2 is clamped by a pair of first clamping pieces 14, until the first pressure sensor 17 detects the pressure and considers that the two first clamping pieces 14 adhere to the front and back ends of the ring 2 at the same time, the corresponding motor of the fourth threaded rod 34 is stopped, and the first laser measuring instrument 16 installed at one of the first clamping pieces 14 is started, which detects the thickness of the ring 2 together with the other first clamping piece 14.

[0054] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting, since the scope of the present application will be limited to the appended claims. It must be noted that, as used in the specification and the appended claims, the singular form "a," "an" and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a plurality of components. Similarly, the words "comprise," "comprises," and "comprising," as well as the words "include," "includes," and "including," when used in this specification and in the following claims, are intended to specify the presence of stated features, regions, integers, steps, operations, elements, or components, but they do not preclude the presence or addition of one or more other features, regions, integers, steps, operations, elements, components, or groups thereof. Furthermore, these terms do not necessarily denote the presence of anything that can be claimed as new. The meaning of "a," "an," and "the" also includes plural references and plural forms, for example, "a" or "an" entity includes one or more entities.

[0055] While the embodiments of the application have been shown and described herein, it is understood that modifications, substitutions, changes, and alterations can be made by those skilled in the art without departing from the spirit and scope of the present application.

Claims

1. A laser measuring system for measuring the length of a ring piece, comprising a base (1), the upper end of which is provided with a pressing plate (3), characterized in that, The inside of the base (1) is longitudinally provided with a second movable hole (7) with a second detection arm (8), the lower end of the second movable hole (7) is provided with a second hydraulic telescopic rod (33), the front end of the second detection arm (8) is provided with a first abutting roller (20), the lower end of the first abutting roller (20) is provided with a second clamping piece (18), the upper end of the outer wall of the second clamping piece (18) and the first abutting roller (20) is provided with a second pressure sensor (22) electrically connected with the second hydraulic telescopic rod (33), the inside of the first abutting roller (20) is provided with a first movable rail (25), the outside of the first movable rail (25) is provided with a shielding piece (21), the outside of the shielding piece (21) is slidably connected with the inside of the first movable rail (25), after the shielding piece (21) is rotated and turned away from the fixed piece (23), the uppermost surface of the shielding piece (21) is the same height as the uppermost surface of the first abutting roller (20), the two sides of the lower end of the pressing plate (3) are provided with third movable blocks (26), the two sides of the upper end of the outer wall of the base (1) are provided with first movable blocks (9) towards the pressing plate (3), and the inside of the first movable blocks (9) and the third movable blocks (26) are both rotatably provided with second abutting rollers (27), the inside of the pressing plate (3) is longitudinally provided with a first movable hole (5), the inside of the first movable hole (5) is provided with a first detection arm (6), and the first detection arm (6) extends from the position of the first movable hole (5) to one end of the second hydraulic telescopic rod (33), and the outer wall of the first detection arm (6) is provided with a second laser measuring instrument (24) through bolts.

2. Laser measuring system for measuring the length of a ring to be machined according to claim 1, characterized in that, One end of the first movable block (9) is provided with a motor, and the output shaft of the motor is rotatably connected with the center position of the second abutting roller (27) corresponding to the first movable block (9).

3. Laser measuring system for the measuring of the working length of rings according to claim 2, characterized in that, The outer wall of the first movable block (9) and the third movable block (26) is provided with a connecting block (28), and the inside of the first movable block (9) and the third movable block (26) corresponding to the connecting block (28) is provided with a second threaded rod (10) in threaded cooperation.

4. The laser measuring system for measuring the length of a ring to be processed according to claim 1, characterized in that, One end of the second hydraulic telescopic rod (33) is provided with a first hydraulic telescopic rod (32).

5. The laser measuring system for measuring the length of a ring to be processed according to claim 1, characterized in that, The lower end of the second detection arm (8) and the lower end of the second clamping piece (18) are connected by a first spring (19), one side between the second clamping piece (18) and the first abutting roller (20) is provided with a fixed piece (23), and the fixed piece (23) is welded and fixed with the second detection arm (8), and the fixed piece (23) and the lower end of the first abutting roller (20) are provided with a first spring (19).

6. Laser measuring system for measuring the length of a ring according to any one of claims 1 to 5, characterized in that The method comprises the following steps: Step one, place the lower end of the ring piece (2) on the upper end of the second abutting roller (27) supported by a pair of first movable blocks (9), and directly embed the first abutting roller (20) into the hollow position in the inside of the ring piece (2); Step two, move the pressing plate (3) downward to move the second abutting roller (27) through the third movable block (26), until the second abutting roller (27) corresponding to the third movable block (26) contacts the upper end of the ring piece (2); Step three, the extension of the second hydraulic telescopic rod (33) drives the second detection arm (8) to move in the second movable hole (7) until the first abutting roller (20) and the second clamping piece (18) corresponding second pressure sensor (22) contact the ring piece (2) at the same time; Step four, the first hydraulic telescopic rod (32) drives the first detection arm (6) to move towards the upper end of the ring piece (2) until the second pressure sensor (22) contacts and presses the surface of the ring piece (2); Step five, the second laser measuring instrument (24) emits laser on the surface of the second clamping piece (18) to measure the outer diameter length of the whole ring piece (2), the motor built in the first movable rail (25) drives the shielding piece (21) to rotate along the first movable rail (25), the rotation of the first movable rail (25) shields the laser emission position of the second laser measuring instrument (24), the distance from the outer wall to the inner wall of the ring piece (2) is detected by the second laser measuring instrument (24), and the inner diameter of the ring piece (2) is calculated by the distance matching the outer diameter.

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