Laser measuring instrument for size of formed metal

Abstract

The invention belongs to the technical field of metal workpiece size laser measurement, and particularly discloses a metal formed size laser measuring instrument which comprises a box body, the upper portion of one side of the box body is connected with a connecting block, one side of the connecting block is connected with a fixing frame, the lower end of the fixing frame is connected with a supporting frame, and the two sides of the inner wall of the fixing frame are connected with conveying belts. One side of the upper end of the box body is connected with a laser measuring mechanism, one side of the lower end of the fixing frame is connected with a centering mechanism, the centering mechanism comprises four sets of connecting rods, the upper ends of the multiple connecting rods are connected with the two sides of the lower end of the fixing frame respectively, and the lower ends of the multiple connecting rods are connected with a supporting plate; according to the metal flange plate workpiece centering device, through cooperative operation of the centering mechanism and the posture adjusting mechanism, full-process automatic treatment of a metal flange plate workpiece on the conveying belt from coarse positioning to fine adjustment is achieved, and efficient and accurate measurement is achieved.

Description

Technical Field

[0001] This invention belongs to the field of laser measurement of metal workpiece dimensions, and specifically discloses a laser measuring instrument for the dimensions of metal after forming. Background Technology

[0002] High-precision dimensional inspection of metal forming parts is a key link in ensuring the quality of industrial products. Non-contact optical measurement technology based on the principle of laser triangulation has been widely used in this field due to its advantages of high precision and high speed. This technology mainly projects a linear or point laser onto the surface of the workpiece through a laser emitter. The laser line, which is deformed by the shape of the workpiece contour, is received by a camera. By calculating the offset of the laser line in the image, the three-dimensional contour and dimensions of the workpiece are finally reconstructed. For typical forming parts such as metal flanges, the key quality indicators are reflected in the subtle dimensional features such as the width and depth of the keyway, the position and diameter of the mounting hole, and the tooth pitch and shape of the tooth profile. Laser measurement technology is used to accurately scan and evaluate these features.

[0003] Currently, a common way to achieve automated measurement on production lines is to fix a laser measuring instrument next to or above the conveyor belt. However, in actual production, the position of the metal flange on the conveyor belt is uncertain. The flange is often not stably located in the ideal center of the conveyor belt, but rather has random lateral offset. More importantly, the flange itself can rotate at any angle in the horizontal plane, resulting in different orientations of features such as keyways and mounting holes. This makes it impossible for the fixed laser measuring beam to form a stable and accurate relative scanning path with the feature to be measured (such as keyways, tooth profiles, etc.), which leads to difficulties in feature recognition, inconsistent measurement references, and easy measurement errors. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a laser measuring instrument for the dimensions of metal after forming.

[0005] To achieve the above objectives, the present invention provides a laser measuring instrument for the dimensions of metal after forming, including a housing, a connecting block connected to the upper part of one side of the housing, a fixed frame connected to one side of the connecting block, a support frame connected to the lower end of the fixed frame, a conveyor belt connected to both sides of the inner wall of the fixed frame, a laser measuring mechanism connected to one side of the upper end of the housing, and a centering mechanism connected to one side of the lower end of the fixed frame. The centering mechanism includes four sets of connecting rods. The upper ends of the connecting rods are respectively connected to the lower two sides of the fixed frame. The lower ends of the connecting rods are connected to the support plates. The upper two sides of the support plates are connected to the moving mechanisms. The upper two sides of the moving mechanisms are connected to the support plates. The upper one side of the two support plates is connected to an inverted L-shaped plate. The lower ends of the two inverted L-shaped plates are evenly rotatably connected to the centering rollers. The centering rollers are all located above the conveyor belt. An attitude adjustment mechanism is connected to the upper part of the housing away from the laser measurement mechanism. The attitude adjustment mechanism includes a base plate, with sliding rods connected to both sides of the upper part of the base plate. A lifting mechanism is connected to the middle of the upper part of the base plate. A connecting plate is connected to the upper end of the lifting mechanism. An angle adjustment mechanism is connected to the middle of the upper end of the connecting plate. A rotating groove is opened at the lower end of the connecting plate. Rotating sliders are evenly slidably connected inside the rotating groove. A connecting ring is connected to the lower end of multiple rotating sliders. A clamping mechanism is connected to the lower end of the connecting ring. A position detection camera is connected to the middle of the lower end of the connecting plate.

[0006] Preferably, the laser measuring mechanism includes a lead screw, the lower end of which is connected to one side of the upper end of the housing. A height adjustment block is threaded onto the outer wall of the lead screw, and a laser measuring device is connected to one side of the height adjustment block. The laser measuring device is located above the conveyor belt.

[0007] Preferably, the moving mechanism includes guide rails, and there are two sets of guide rails. The lower ends of the two guide rails are respectively connected to the upper sides of the pallet. Guide blocks are slidably connected to the outer walls of the two guide rails. Movable plates are connected to the upper ends of the two guide blocks. Stabilizing rails are connected to the upper ends of the pallet corresponding to the lower sides of the two movable plates. There are four sets of stabilizing rails. Stabilizing blocks are slidably connected above the multiple stabilizing rails. The upper ends of two stabilizing blocks and the upper ends of two other stabilizing blocks are respectively connected to the lower sides of the two movable plates. A drive motor is connected to the middle of the lower end of the pallet. The output end of the drive motor extends through to the top of the pallet. A turntable is connected to the upper end of the drive motor.

[0008] Preferably, the turntable has first rotating shafts symmetrically arranged on both sides of its upper end, and the two movable plates are each connected to a second rotating shaft at the middle of their upper ends. Rotating rings are fitted on the outer walls of the two first rotating shafts and the two second rotating shafts. Pull rods are connected to the middle of one side of each of the two rotating rings above the turntable. One end of each of the two pull rods is connected to the outer wall of the rotating rings above the two movable plates. Support rods are connected to both sides of the upper ends of the two movable plates, and the upper ends of two of the support rods and the upper ends of the other two support rods are respectively connected to the lower ends of the two support plates.

[0009] Preferably, the lifting mechanism includes a cylinder, the upper end of which is connected to a lifting block. The lifting block slides along the outer wall of two slide rods. Each side of the lifting block is connected to a mounting block, and one side of each mounting block is connected to the side of the connecting plate.

[0010] Preferably, the angle adjustment mechanism includes a protective shell, and a rotary motor is connected to the upper end of the connecting plate corresponding to the inside of the protective shell. The output end of the rotary motor extends through to the upper end of the protective shell, and a rotating block is connected to the middle of the outer wall of the output end of the rotary motor.

[0011] Preferably, a mounting rod is connected to the middle of one side of the rotating block. The mounting rod is in the shape of an inverted L-shape, and the lower end of the mounting rod is connected to one side of the upper end of the connecting ring.

[0012] Preferably, the clamping mechanism includes electrically controlled slide rails, and the number of electrically controlled slide rails is four sets. The upper ends of the four electrically controlled slide rails are connected to the lower ends of the connecting ring, and the four electrically controlled slide rails are circumferentially distributed below the connecting ring. The lower part of the outer wall of each of the multiple electrically controlled slide rails is slidably connected to a movable slider.

[0013] Preferably, the lower ends of the plurality of movable sliders are connected to fixed rods, and the lower part of one side of the plurality of fixed rods is connected to a clamping block. The clamping block is made of silicone material, and one side of the clamping block is arc-shaped.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The centering mechanism enables automatic centering of metal flange workpieces on the conveyor belt. A drive motor rotates the turntable, and the rotational motion is converted into synchronous, opposing linear motion of two sets of moving plates via a first shaft, a tie rod, and a second shaft. This, in turn, drives the centering roller to flexibly center the metal flange workpiece. Guide rails and stabilizing rails effectively ensure the stability of the moving plates during movement, preventing jamming or skew. The rolling contact method of the centering roller achieves precise centering while avoiding hard scratches on the surface of the metal flange workpiece. This solves the problem of inconsistent measurement benchmarks caused by the random position of the metal flange workpiece on the conveyor belt, laying a solid positional foundation for subsequent laser measurement.

[0015] The attitude adjustment mechanism enables precise adjustment of the metal flange workpiece's position and posture. A position detection camera acquires images and calculates the position and posture of the aligned metal flange workpiece, accurately identifying its rotation angle deviation. The lifting mechanism, guided by double slide bars, drives the clamping assembly to rise and fall stably, lifting the metal flange workpiece off the conveyor belt. The rotary motor drives the connecting ring and the metal flange workpiece to rotate as a whole through the rotating block and mounting rod, achieving precise compensation for the angle deviation. The circumferentially distributed electrically controlled slide rails and clamping blocks of the clamping mechanism work together to clamp and grasp the metal flange workpiece, achieving position and posture adjustment of the metal flange workpiece and significantly improving the repeatability and accuracy of laser measurement. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the device of the present invention; Figure 2 This is a schematic diagram of the connection structure between the centering mechanism and the fixed frame of the present invention; Figure 3 This is a schematic diagram of the overall structure of the centering mechanism of the present invention; Figure 4 This is a schematic diagram of the connection structure of the first rotating shaft, the second rotating shaft, the rotating ring, and the pull rod of the present invention. Figure 5 This is a schematic diagram of the connection structure between the drive motor and the turntable of the present invention; Figure 6 This is a schematic diagram of the connection structure between the connecting ring and the mounting rod of the present invention; Figure 7 This is a schematic diagram of the connection structure between the rotating slider and the connecting ring of the present invention; Figure 8 This is a schematic diagram of the connection structure between the cylinder and the lifting block of the present invention.

[0017] In the diagram: 1. Box body; 2. Connecting block; 3. Fixing frame; 4. Support frame; 5. Conveyor belt; 6. Lead screw; 7. Height adjustment block; 8. Laser measuring equipment; 9. Connecting rod; 10. Pallet; 11. Guide rail; 12. Guide block; 13. Moving plate; 14. Stabilizing rail; 15. Stabilizing block; 16. Drive motor; 17. Turntable; 18. First rotating shaft; 19. Second rotating shaft; 20. Rotating ring; 21. Tie rod; 22. Support 23. Support rod; 24. Inverted L-shaped plate; 25. Centering roller; 26. Base plate; 27. Slide rod; 28. Cylinder; 29. ​​Lifting block; 30. Mounting block; 31. Connecting plate; 32. Protective shell; 33. Rotary motor; 34. Rotating block; 35. Rotating slider; 36. Connecting ring; 37. Mounting rod; 38. Electrically controlled slide rail; 39. Moving slider; 40. Fixed rod; 41. Clamping block; 42. Position detection camera. Detailed Implementation

[0018] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] Numerous specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and therefore the invention is not limited to the specific embodiments disclosed below.

[0020] like Figures 1-8 The laser measuring instrument for the dimensions of metal after forming is shown, including a housing 1, a connecting block 2 connected to the upper part of one side of the housing 1, a fixed frame 3 connected to one side of the connecting block 2, a support frame 4 connected to the lower end of the fixed frame 3, a conveyor belt 5 connected to both sides of the inner wall of the fixed frame 3, a laser measuring mechanism connected to one side of the upper end of the housing 1, a centering mechanism connected to one side of the lower end of the fixed frame 3, and an attitude adjustment mechanism connected to the side of the upper end of the housing 1 away from the laser measuring mechanism. The housing 1 houses a PLC control system, which is electrically connected to the drive motor 16, cylinder 28, rotary motor 33, electrically controlled slide rail 38, and position detection camera 42 to achieve automated control. Housing 1 provides a stable structural foundation for the entire measuring instrument. Connecting block 2 ensures reliable connection and force transmission between housing 1 and fixed frame 3, guaranteeing the stability of the upper structure. Fixed frame 3 forms a rigid frame for the metal flange workpiece conveying channel, supporting and mounting the conveyor belt 5 and its driving components. One side of the conveyor belt 5 is driven by a conveyor motor. Support frame 4 provides effective support to fixed frame 3 from below, increasing... The conveyor belt 5 enhances the metal flange workpiece's resistance to deformation, ensuring a smooth conveying process. It transports the workpiece to the measurement station via the conveyor belt 5, where it undergoes alignment, adjustment, and inspection processes. After the metal flange workpiece's posture is precisely adjusted, the laser measurement mechanism performs precision dimensional measurements on its keyways, mounting holes, and tooth profiles. The centering mechanism automatically performs lateral alignment correction on the metal flange workpiece when it enters the initial station, aligning its axis with the center line of the conveyor belt 5. The posture adjustment mechanism performs gripping, lifting, visual positioning, and angle rotation correction of the metal flange workpiece, creating precise and consistent initial posture conditions for laser measurement.

[0021] The attitude adjustment mechanism includes a base plate 26, with slide rods 27 connected to both sides of the upper end of the base plate 26. A lifting mechanism is connected to the middle of the upper end of the base plate 26, and a connecting plate 31 is connected to the upper end of the lifting mechanism. An angle adjustment mechanism is connected to the middle of the upper end of the connecting plate 31. A rotating groove is opened at the lower end of the connecting plate 31, and rotating sliders 35 are evenly slidably connected inside the rotating groove. The rotating sliders 35 cooperate with the rotating groove to bear the torque generated when the connecting ring 36 rotates and prevent swaying. The lower ends of multiple rotating sliders 35 are connected to connecting rings 36, and the lower ends of connecting rings 36 are connected to clamping mechanisms. A position detection camera 42 is connected to the middle of the lower end of the connecting plate 31. The base plate 26 serves as the mounting base for the attitude adjustment mechanism, which can be firmly fixed in the designated position of the housing 1. The slide bar 27 provides high-precision linear guidance for the vertical movement of the lifting block 29, preventing it from swaying or twisting during the lifting process. The lifting mechanism provides vertical driving force to drive the clamping mechanism and the position detection camera 42 to complete reliable rising and falling actions. The connecting plate 31 is used to install the angle adjustment mechanism, the clamping mechanism, and the vision component. The angle adjustment mechanism can drive the clamping mechanism and the metal flange workpiece to rotate a specific angle according to the feedback from the position detection camera 42, so as to accurately correct the position deviation of the metal flange workpiece. The rotating slider 35 suspends the connecting ring 36 below the connecting plate 31, and can improve the stability of the connecting ring 36 when rotating. The connecting ring 36 can reliably transmit the rotational movement of the angle adjustment mechanism to the clamping mechanism and the metal flange workpiece. The clamping mechanism performs precise opening and closing actions according to the control command to reliably grasp or release the metal flange workpiece. Before the clamping action is executed, the position detection camera 42 identifies the precise position and angle of the metal flange workpiece below.

[0022] like Figure 1 As shown: The laser measuring mechanism includes a lead screw 6, the lower end of which is connected to one side of the upper end of the housing 1. A height adjustment block 7 is threaded onto the outer wall of the lead screw 6. A laser measuring device 8 is connected to one side of the height adjustment block 7. The laser measuring device 8 is located above the conveyor belt 5. The lead screw 6 provides the structural basis for height adjustment; the height adjustment block 7 performs precise vertical displacement on the lead screw 6 through threaded transmission to achieve positioning function; the laser measuring device 8 is fixedly installed on the height adjustment block 7 and performs non-contact measurement of the metal flange workpiece on the conveyor belt 5 below by emitting and receiving laser beams.

[0023] like Figures 2-5As shown: The centering mechanism includes four sets of connecting rods 9. The upper ends of the connecting rods 9 are connected to the lower sides of the fixed frame 3. The lower ends of the connecting rods 9 are connected to the support plate 10. The upper sides of the support plate 10 are connected to the moving mechanism. The upper sides of the moving mechanism are connected to the support plate 23. The upper side of the two support plates 23 is connected to the inverted L-shaped plate 24. The lower ends of the two inverted L-shaped plates 24 are evenly rotatably connected to the centering roller 25. The surface of the centering roller 25 is covered with a polyurethane layer to prevent scratches on the surface of the metal flange workpiece. The centering roller 25 is located above the conveyor belt 5. The moving mechanism includes two sets of guide rails 11. The lower ends of the two guide rails 11 are connected to the upper sides of the support plate 10. The outer walls of the two guide rails 11 are slidably connected to the guide blocks 12. The upper ends of the two guide blocks 12 are connected to the moving plate 13. The upper ends of the support plate 10 are connected to the lower sides of the two moving plates 13. The stabilizing rails 14 are connected to the upper sides of the support plate 10 corresponding to the lower ends of the two moving plates 13. There are four sets of stabilizers. Stabilizing blocks 15 are slidably connected above multiple stabilizing rails 14. The upper ends of two stabilizing blocks 15 and the upper ends of two other stabilizing blocks 15 are respectively connected to the lower ends of two moving plates 13. A drive motor 16 is connected to the middle of the lower end of the support plate 10. The output end of the drive motor 16 extends through to the top of the support plate 10. A turntable 17 is connected to the upper end of the drive motor 16. First rotating shafts 18 are symmetrically arranged on both sides of the upper end of the turntable 17. The middle of the upper end of each of the two moving plates 13 is connected to a second rotating shaft 19. Rotating rings 20 are sleeved on the outer walls of the two first rotating shafts 18 and the two second rotating shafts 19. Pull rods 21 are connected to the middle of one side of each of the two rotating rings 20 above the turntable 17. One end of each of the two pull rods 21 is connected to the outer wall of the rotating rings 20 above the two moving plates 13. Support rods 22 are connected to both sides of the upper end of the two moving plates 13. The upper ends of two support rods 22 and the upper ends of two other support rods 22 are respectively connected to the lower ends of two support plates 23. The connecting rod 9 stably connects the entire centering mechanism to the bottom of the fixed frame 3; the support plate 10 provides the mounting base for the moving mechanism; the moving mechanism achieves bidirectional synchronous linear motion under the action of the driving component, thereby driving the centering roller 25 to perform the centering action; the inverted L-shaped plate 24 spatially connects the support plate 23 and the centering roller 25 to ensure that the centering roller 25 is in the correct working position above the conveyor belt 5; the centering roller 25 is used to perform centering and correction on the metal flange workpiece on the conveyor belt 5 in a rolling contact manner to avoid scratching the surface of the metal flange workpiece; The guide rail 11 provides horizontal movement guidance for the moving plate 13, ensuring the accuracy of the movement direction; the guide block 12 cooperates with the guide rail 11 to realize the smooth translation of the moving plate 13; the stabilizing rail 14 cooperates with the stabilizing block 15 to enhance the stability of the moving plate 13 during the movement; the stabilizing block 15 connects the moving plate 13 and the stabilizing rail 14; the drive motor 16 can drive the turntable 17 to rotate; the first rotating shaft 18 can pull the pull rod 21 to move when it rotates with the turntable 17; the second rotating shaft 19 transmits the planar movement of the pull rod 21 to the moving plate 13; the rotating ring 20 can realize the hinged connection between the first rotating shaft 18, the second rotating shaft 19 and the pull rod 21; the pull rod 21 converts the rotational movement of the turntable 17 into the linear movement of the moving plate 13, and the support rod 22 accurately transmits the horizontal movement of the moving plate 13 to the support plate 23.

[0024] like Figures 6-8 As shown: The lifting mechanism includes a cylinder 28, with a lifting block 29 connected to the upper end of the cylinder 28. The lifting block 29 slides along the outer wall of two sliding rods 27. Mounting blocks 30 are connected to one side of each lifting block 29. One side of each mounting block 30 is connected to one side of a connecting plate 31. The angle adjustment mechanism includes a protective shell 32. A rotary motor 33 is connected to the upper end of the connecting plate 31 corresponding to the interior of the protective shell 32. The output end of the rotary motor 33 extends through to the upper end of the protective shell 32. A rotating block 34 is connected to the middle of the outer wall of the output end of the rotary motor 33. A mounting rod 37 is connected to the middle of one side of the rotating block 34. The mounting rod 37... The structure is arranged in an inverted L shape. The lower end of the mounting rod 37 is connected to one side of the upper end of the connecting ring 36. The clamping mechanism includes four sets of electrically controlled slide rails 38. The upper ends of the four electrically controlled slide rails 38 are connected to the lower end of the connecting ring 36. The four electrically controlled slide rails 38 are distributed circumferentially below the connecting ring 36. The lower part of the outer wall of the multiple electrically controlled slide rails 38 is slidably connected to the movable sliders 39. The lower ends of the multiple movable sliders 39 are connected to the fixed rods 40. The lower part of one side of the multiple fixed rods 40 is connected to the clamping block 41. The clamping block 41 is made of silicone material and one side of the clamping block 41 is arc-shaped. The cylinder 28 can drive the lifting block 29 to move up and down. The lifting block 29 transmits the thrust of the cylinder 28 to the mounting block 30 and the connecting plate 31, and the mounting block 30 is guided to move up and down along the slide rod 27. The protective shell 32 is used to protect the internal rotary motor 33; the rotating block 34 transmits the rotational force of the rotary motor 33 to the mounting rod 37; the mounting rod 37 converts the horizontal rotational motion of the rotating block 34 into the planar rotational motion of the connecting ring 36. Four electrically controlled slide rails 38 are fixedly connected to the lower end face of the connecting ring 36 at their upper ends. The electrically controlled slide rails 38 can provide precise radial guidance for the moving slider 39, driving the clamping component to perform clamping action. The fixed rod 40 connects the moving slider 39 and the clamping block 41 to form a force transmission structure. The arc-shaped structure and silicone material of the clamping block 41 can achieve flexible contact with the surface of the metal flange workpiece, effectively protecting the surface of the metal flange workpiece while providing sufficient clamping force.

[0025] Working principle: The metal flange workpiece to be tested is conveyed to the centering mechanism by the conveyor belt 5. Subsequently, the centering mechanism starts working, the drive motor 16 starts, and drives the turntable 17 to rotate. The two first rotating shafts 18 symmetrically installed on the turntable 17 move in a circular motion. Each first rotating shaft 18 is hinged to one end of the pull rod 21 through the rotating ring 20 on it, while the other end of the pull rod 21 is hinged to the second rotating shaft 19 fixed on the moving plate 13. When the turntable 17 rotates, the circular motion of the first rotating shaft 18 is converted into a pulling force and a pushing force on the moving plate 13 through the pull rod 21. Under the dual guidance and support of the guide rail 11 and the stabilizing rail 14, the moving plate 13 moves in a straight line, thereby realizing the synchronous and reverse movement of the two moving plates 13. The moving plate 13 drives the centering roller 25 above to move together through the support rod 22 and the support plate 23, gently contacting and pushing the metal flange workpiece from both sides, and finally automatically correcting and stabilizing it on the center line position of the conveyor belt 5, completing the initial lateral positioning.

[0026] After the metal flange workpiece is coarsely positioned, the conveyor belt 5 moves the metal flange workpiece to below the angle adjustment mechanism. The cylinder 28 is activated, driving the lifting block 29 to descend steadily along the two slide bars 27, which in turn moves the connecting plate 31 and the clamping mechanism below it down to the preset height. The position detection camera 42, fixed at the bottom of the connecting plate 31, takes a picture of the aligned metal flange workpiece to obtain a high-definition image.

[0027] The position detection camera 42 identifies the outline of the metal flange workpiece and the directional features such as keyways and mounting holes in real time, and calculates the deviation of the rotation angle of the metal flange workpiece relative to the standard posture.

[0028] Four electrically controlled slide rails 38, which are circumferentially distributed below the connecting ring 36, move synchronously, driving the moving slider 39 to move the clamping block 41 in a centripetal motion. The arc-shaped clamping block 41 clamps the outer periphery of the metal flange workpiece.

[0029] After the metal flange workpiece is reliably clamped, the cylinder 28 pushes the lifting block 29, the mounting block 30 and the connecting plate 31 to move upward, lifting the entire clamping mechanism and the metal flange workpiece so that it is completely separated from the surface of the conveyor belt 5. The angle adjustment mechanism starts to work: the rotary motor 33 precisely rotates and adjusts the angle according to the angle deviation calculated by the position detection camera 42, and transmits it to the connecting ring 36 through the rotating block 34 and the mounting rod 37. The connecting ring 36 slides with the rotating groove at the bottom of the connecting plate 31 through the rotating slider 35 on it, so as to smoothly drive the entire clamping mechanism and the clamped metal flange workpiece to rotate together, and finally accurately correct the keyway or mounting hole and other features of the metal flange workpiece to the preset standard zero-degree angle posture.

[0030] The metal flange, whose posture has been fully corrected (center aligned and angle zeroed), is transported by conveyor belt 5. The metal flange workpiece is moved directly below the laser measuring device 8. By adjusting the height adjustment block 7 on the lead screw 6, the laser measuring device 8 can be positioned at the optimal focal length. Subsequently, the laser measuring device 8 measures key features of the metal flange workpiece such as keyways, mounting holes, and tooth profiles.

[0031] After the measurement process is completed, the clamping mechanism is released, the centering roller 25 is reset, the attitude adjustment mechanism rises and returns to its initial state, the conveyor belt 5 sends out the measured metal flange workpiece and sends in the next metal flange workpiece to be measured, and the device automatically starts a new detection cycle.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.

Claims

1. A laser measuring instrument for the dimensions of metal after forming, comprising a housing (1), characterized in that, A connecting block (2) is connected to the upper part of one side of the box (1), a fixed frame (3) is connected to one side of the connecting block (2), a support frame (4) is connected to the lower end of the fixed frame (3), a conveyor belt (5) is connected to both sides of the inner wall of the fixed frame (3), a laser measuring mechanism is connected to one side of the upper end of the box (1), and a centering mechanism is connected to one side of the lower end of the fixed frame (3). The centering mechanism includes connecting rods (9), and there are four sets of connecting rods (9). The upper ends of the multiple connecting rods (9) are respectively connected to the lower ends of the fixed frame (3) on both sides. The lower ends of the multiple connecting rods (9) are connected to the support plate (10). The upper ends of the support plate (10) are connected to the moving mechanism on both sides. The upper ends of the moving mechanism are connected to the support plate (23) on both sides. The upper ends of the two support plates (23) are connected to the inverted L-shaped plate (24) on one side. The lower ends of the two inverted L-shaped plates (24) are evenly rotated and connected to the centering roller (25). The multiple centering rollers (25) are all located above the conveyor belt (5). An attitude adjustment mechanism is connected to the upper end of the housing (1) away from the laser measurement mechanism. The attitude adjustment mechanism includes a base plate (26). Slide rods (27) are connected to both sides of the upper end of the base plate (26). A lifting mechanism is connected to the middle of the upper end of the base plate (26). A connecting plate (31) is connected to the upper end of the lifting mechanism. An angle adjustment mechanism is connected to the middle of the upper end of the connecting plate (31). A rotating groove is opened at the lower end of the connecting plate (31). A rotating slider (35) is uniformly slidably connected inside the rotating groove. A connecting ring (36) is connected to the lower end of multiple rotating sliders (35). A clamping mechanism is connected to the lower end of the connecting ring (36). A position detection camera (42) is connected to the middle of the lower end of the connecting plate (31).

2. The laser measuring instrument for metal forming dimensions according to claim 1, characterized in that, The laser measuring mechanism includes a lead screw (6), the lower end of which is connected to one side of the upper end of the housing (1). A height adjustment block (7) is threaded onto the outer wall of the lead screw (6), and a laser measuring device (8) is connected to one side of the height adjustment block (7). The laser measuring device (8) is located above the conveyor belt (5).

3. The laser measuring instrument for metal forming dimensions according to claim 1, characterized in that, The moving mechanism includes guide rails (11), and there are two sets of guide rails (11). The lower ends of the two guide rails (11) are respectively connected to the upper sides of the pallet (10). Guide blocks (12) are slidably connected to the outer walls of the two guide rails (11). Moving plates (13) are connected to the upper ends of the two guide blocks (12). Stable rails (14) are connected to the upper ends of the pallet (10) corresponding to the lower sides of the two moving plates (13). There are four sets of stable rails (14). Stable blocks (15) are slidably connected above the multiple stable rails (14). The upper ends of two stable blocks (15) and the upper ends of the other two stable blocks (15) are respectively connected to the lower sides of the two moving plates (13). A drive motor (16) is connected to the middle of the lower end of the pallet (10). The output end of the drive motor (16) extends through to the top of the pallet (10). A turntable (17) is connected to the upper end of the drive motor (16).

4. The laser measuring instrument for metal forming dimensions according to claim 3, characterized in that, The turntable (17) has symmetrical first rotating shafts (18) on both sides of its upper end. The upper middle of the two moving plates (13) is connected to a second rotating shaft (19). The outer walls of the two first rotating shafts (18) and the outer walls of the two second rotating shafts (19) are fitted with rotating rings (20). The middle of one side of the two rotating rings (20) above the turntable (17) is connected to a pull rod (21). One end of the two pull rods (21) is connected to the outer wall of the rotating rings (20) above the two moving plates (13). The upper sides of the two moving plates (13) are connected to support rods (22). The upper ends of the two support rods (22) and the upper ends of the other two support rods (22) are connected to the lower sides of the two support plates (23).

5. A laser measuring instrument for the dimensions of metal after forming according to claim 1, characterized in that, The lifting mechanism includes a cylinder (28), and a lifting block (29) is connected to the upper end of the cylinder (28). The lifting block (29) slides along the outer wall of two slide rods (27). An installation block (30) is connected to one side of each lifting block (29), and one side of each installation block (30) is connected to one side of the connecting plate (31).

6. The laser measuring instrument for metal forming dimensions according to claim 1, characterized in that, The angle adjustment mechanism includes a protective shell (32), and a rotary motor (33) is connected to the upper end of the connecting plate (31) corresponding to the inside of the protective shell (32). The output end of the rotary motor (33) extends through to the upper end of the protective shell (32), and a rotating block (34) is connected to the middle of the outer wall of the output end of the rotary motor (33).

7. A laser measuring instrument for the dimensions of metal after forming according to claim 6, characterized in that, The rotating block (34) is connected to a mounting rod (37) in the middle of one side. The mounting rod (37) is in the shape of an inverted L-shape. The lower end of the mounting rod (37) is connected to the upper end of the connecting ring (36).

8. The laser measuring instrument for metal forming dimensions according to claim 1, characterized in that, The clamping mechanism includes an electrically controlled slide rail (38), and there are four sets of electrically controlled slide rails (38). The upper ends of the four electrically controlled slide rails (38) are connected to the lower ends of the connecting ring (36). The four electrically controlled slide rails (38) are circumferentially distributed below the connecting ring (36). The lower part of the outer wall of each of the multiple electrically controlled slide rails (38) is slidably connected to a movable slider (39).

9. A laser measuring instrument for the dimensions of metal after forming according to claim 8, characterized in that, The lower ends of the multiple movable sliders (39) are connected to fixed rods (40), and the lower part of one side of the multiple fixed rods (40) is connected to a clamping block (41). The clamping block (41) is made of silicone material, and one side of the clamping block (41) is arc-shaped.

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