An extension beat detection apparatus

Abstract

The present application belongs to the field of shaft parts detection, and specifically relates to an extension run-out detection device, which comprises a run-out detection base assembly, a rear pull air cylinder, an internal expansion chuck, an extension run-out sleeve, an extension run-out detection assembly and a displacement sensor assembly. The extension run-out detection assembly detects the run-out condition of the extension run-out sleeve connected with the workpiece to be detected, and the axial position of the run-out detection base assembly is detected through the displacement sensor assembly. The present application meets the functional requirements of equipment detection through the cooperation of multiple displacement sensors, has high automation level, completely changes the traditional manual detection mode, and has high detection efficiency. The present application meets the precision requirements of thread extension run-out detection, has high reliability, avoids damage to the threads to be detected, has compact structure, reasonable design, meets the requirements of equipment maintenance operability, and meets the requirements of different specifications of the shaft size to be detected through the mode of quickly replacing the extension run-out sleeve, and has high adaptability.

Description

Technical Field

[0001] This invention belongs to the field of shaft parts inspection, specifically an extension runout detection device. Background Technology

[0002] During the inspection process, shaft parts need to undergo thread runout testing quickly, accurately, and safely, preventing any damage to the threads. However, existing inspection methods mainly rely on manual inspection by workers, which is inefficient and prone to damaging the threads under inspection, thus failing to meet the increasingly demanding production requirements. Summary of the Invention

[0003] To address the above-mentioned problems, the present invention aims to provide an extension jump detection device.

[0004] The objective of this invention is achieved through the following technical solution:

[0005] An extension runout detection device includes a runout detection base assembly, a pull-back cylinder, an internal expansion chuck, an extension runout sleeve, an extension runout detection assembly, and a displacement sensor assembly.

[0006] The runout detection base assembly is slidably mounted on the worktable. The pull-back cylinder is mounted on the runout detection base assembly. The drive end of the pull-back cylinder is connected to the inner expansion chuck and drives the inner expansion chuck to expand and connect with the extended runout sleeve or drives the inner expansion chuck to contract and separate from the extended runout sleeve. The extended runout sleeve has a threaded channel inside for connecting with the workpiece to be tested.

[0007] The extended runout detection component is mounted on the runout detection base component and detects the runout of the extended runout sleeve connected to the workpiece to be tested; the runout detection base component moves along the axial direction of the extended runout sleeve and the axial position of the runout detection base component is detected by the displacement sensor component.

[0008] Limiting blocks are provided on the front and rear worktables of the vibration detection base assembly.

[0009] The vibration detection base assembly includes a sliding plate, a vertical mounting frame, and a pull-back cylinder mounting plate. The lower surface of the sliding plate is provided with a slider, and the worktable is provided with a slide rail that is slidably connected to the slider. The vertical mounting frame is disposed on the upper surface of the sliding plate. The pull-back cylinder mounting plate is mounted on the inner side of the vertical mounting frame, and the pull-back cylinder is mounted on the pull-back cylinder mounting plate. The extended vibration detection assembly is mounted on the top of the vertical mounting frame.

[0010] The sliding plate is provided with a spring stop block, and the worktable is provided with a horizontal guide rod. A limit nut A is threadedly connected to the horizontal guide rod, and the horizontal guide rod passes through the spring stop block. A spring A is sleeved on the horizontal guide rod between the spring stop block and the limit nut A.

[0011] Several guide protrusions extend from both sides of the rear cylinder mounting plate. Guide grooves are provided on the vertical mounting frame at positions corresponding to each guide protrusion. The vertical mounting frame is also equipped with several sealing plates for closing the openings of each guide groove. Each sealing plate is provided with positioning beads arranged along the axial direction of the extended jumping sleeve. The ball end of each positioning bead abuts against the adjacent guide protrusion.

[0012] Each of the guide protrusions can move up and down in the corresponding guide grooves, and the ball end of each positioning ball is always in contact with the adjacent guide protrusion.

[0013] A vertical guide sleeve is installed on the sliding plates on the left and right sides of the vertical mounting bracket. Each vertical guide sleeve is threaded with a limit nut B and has the lower end of a vertical guide rod passing through it. The upper end of each vertical guide rod is connected to the uppermost guide protrusion on the same side. A spring B is sleeved on the vertical guide rod between the uppermost guide protrusion and the limit nut B.

[0014] The extended runout detection assembly includes a lifting cylinder mounting base, a lifting cylinder, a runout detection sensor mounting base, and an extended runout detection sensor. The lifting cylinder mounting base is mounted on the runout detection base assembly, the lifting cylinder is mounted on the lifting cylinder mounting base, the output end of the lifting cylinder is connected to the runout detection sensor mounting base, the extended runout detection sensor is mounted on the runout detection sensor mounting base, and the detection end of the extended runout detection sensor abuts against the outer circumferential surface of the extended runout sleeve.

[0015] The axial centerline of the output end of the lifting cylinder and the axial centerline of the detection end of the extended runout detection sensor are both perpendicular to the upper surface of the worktable.

[0016] The displacement sensor assembly includes a fixed part mounted on a workbench and a movable part mounted on the runout detection base assembly, the movable part moving on the fixed part.

[0017] The advantages and positive effects of this invention are as follows:

[0018] This invention, through the combined use of multiple displacement sensors, meets the functional requirements of equipment testing, has a high level of automation, completely changes the traditional manual testing method, and has high testing efficiency; it meets the accuracy requirements of thread extension runout testing, has high reliability, and avoids damage to the thread under inspection; it has a compact structure and reasonable design, meeting the requirements of equipment maintenance and operation; and it can meet the requirements of different specifications of shaft dimensions under inspection by quickly changing the extension runout sleeve, making it highly adaptable. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a schematic diagram of the main structure of the present invention;

[0021] Figure 3 This is a top view of the structure of the present invention;

[0022] Figure 4 This is a side view of the structure of the present invention;

[0023] Figure 5 for Figure 2 A schematic diagram of the AA-direction cross-sectional structure;

[0024] Figure 6 This is a schematic diagram of the sliding plate and vertical mounting bracket of the present invention.

[0025] In the diagram: 1 is the pull-back cylinder, 2 is the internal expansion chuck, 3 is the extension runout sleeve, 4 is the limit stop, 5 is the sliding plate, 6 is the vertical mounting bracket, 601 is the guide groove, 7 is the pull-back cylinder mounting plate, 701 is the guide protrusion, 8 is the slide rail, 9 is the spring stop, 10 is the horizontal guide rod, 11 is the limit nut A, 12 is the spring A, 13 is the sealing plate, 14 is the positioning bead, 15 is the vertical guide sleeve, 16 is the limit nut B, 17 is the vertical guide rod, 18 is the spring B, 19 is the lifting cylinder mounting seat, 20 is the lifting cylinder, 21 is the runout detection sensor mounting seat, 22 is the extension runout detection sensor, 23 is the fixed part, 24 is the moving part, 25 is the displacement sensor mounting base, and 001 is the worktable. Detailed Implementation

[0026] The following is in conjunction with the appendix Figure 1-6 The present invention will be described in further detail below.

[0027] An extended bounce detection device, such as Figure 1-6 As shown, this embodiment includes a runout detection base assembly, a pull-back cylinder 1, an internal expansion chuck 2, an extension runout sleeve 3, an extension runout detection assembly, and a displacement sensor assembly.

[0028] The runout detection base assembly is slidably mounted on the worktable 001. A pull-back cylinder 1 is installed on the runout detection base assembly. The drive end of the pull-back cylinder 1 is connected to the inner expansion chuck 2, driving the inner expansion chuck 2 to tighten and connect with the extended runout sleeve 3, or driving the inner expansion chuck 2 to contract and separate from the extended runout sleeve 3. The extended runout sleeve 3 has a threaded channel inside for connecting with the workpiece to be tested, and a test ring groove is also provided on the outer circumference of the extended runout sleeve 3. In this embodiment, both the pull-back cylinder 1 and the inner expansion chuck 2 are commercially available products. The pull-back cylinder 1 is connected to an external air source and its operation is controlled by an external controller. The cooperative arrangement of the pull-back cylinder 1 and the inner expansion chuck 2 allows for easy disassembly and connection of the extended runout sleeve 3, and the extended runout sleeve 3 can be replaced according to the size of different workpieces to be tested.

[0029] The extended runout detection component is installed on the runout detection base component to detect the runout of the extended runout sleeve 3 connected to the workpiece to be tested; the runout detection base component moves along the axial direction of the extended runout sleeve 3 and the axial position of the runout detection base component is detected by the displacement sensor component.

[0030] Specifically, in this embodiment, limit blocks 4 are provided on the worktables 001 on both the front and rear sides of the jump detection base assembly to prevent the jump detection base assembly from leaving the normal movement area and to ensure that there is no excessive engagement during the detection process.

[0031] Specifically, in this embodiment, the runout detection base assembly includes a sliding plate 5, a vertical mounting frame 6, and a rear-pull cylinder mounting plate 7. A slider is provided on the lower surface of the sliding plate 5, and a slide rail 8 slidably connected to the slider is provided on the worktable 001. The vertical mounting frame 6 is disposed on the upper surface of the sliding plate 5. The rear-pull cylinder mounting plate 7 is mounted on the inner side of the vertical mounting frame 6, and a rear-pull cylinder 1 is mounted on the rear-pull cylinder mounting plate 7. The extended runout detection assembly is mounted on the top of the vertical mounting frame 6. In this embodiment, the vertical mounting frame 6 and the sliding plate 5 are an integral structure. The slide rail 8 and the slider allow the entire runout detection base assembly to move stably on the worktable 001.

[0032] Specifically, in this embodiment, the sliding plate 5 is provided with symmetrical spring stops 9, and the worktables 001 on the left and right sides of the sliding plate 5 are respectively provided with horizontal guide rods 10. Each horizontal guide rod 10 is threaded with a limit nut A11, and the horizontal guide rod 10 passes through the spring stops 9 on the same side. A spring A12 is sleeved on the horizontal guide rod 10 between the spring stops 9 and the limit nut A11. Figure 1 and Figure 4 (Spring A12 is hidden for clarity of view). Spring A12 provides preload to the workpiece, assisting the extension running sleeve 3 in threaded engagement with the workpiece. The horizontal guide rod 10 guides the movement of spring A12 and sliding plate 5, ensuring the axial positioning accuracy of the extension running sleeve 3.

[0033] Specifically, in this embodiment, two guide protrusions 701 extend from both the left and right sides of the rear cylinder mounting plate 7. Guide grooves 601 are provided on the vertical mounting bracket 6 at positions corresponding to each guide protrusion 701. The vertical mounting bracket 6 is also equipped with several sealing plates 13 for closing the openings of each guide groove 601. Each sealing plate 13 is provided with a positioning bead 14 arranged along the axial direction of the extending jump sleeve 3. Each guide protrusion 701 can move up and down in its corresponding guide groove 601, and each... The ball end of the positioning bead 14 always abuts against the adjacent guide protrusion 701. A vertical guide sleeve 15 is installed on each of the sliding plates 5 on the left and right sides of the vertical mounting bracket 6. Each vertical guide sleeve 15 is threaded with a limit nut B16 and has the lower end of a vertical guide rod 17 passing through it. The upper end of each vertical guide rod 17 is connected to the uppermost guide protrusion 701 on the same side. A spring B18 is fitted on the vertical guide rod 17 between the uppermost guide protrusion 701 and the limit nut B16. Through the coordinated arrangement of the vertical guide sleeve 15, the limit nut B16, the vertical guide rod 17, and the spring B18, vertical positioning accuracy in the vertical direction is ensured when the extension runout detection component contacts the extension runout sleeve 3. The positioning bead 14 further ensures axial positioning accuracy when the extension runout detection component contacts the extension runout sleeve 3.

[0034] Specifically, in this embodiment, the extended runout detection assembly includes a lifting cylinder mounting base 19, a lifting cylinder 20, a runout detection sensor mounting base 21, and an extended runout detection sensor 22. The lifting cylinder mounting base 19 is mounted on the top of the vertical mounting frame 6 of the runout detection base assembly. The lifting cylinder 20 is mounted on the lifting cylinder mounting base 19. The output end of the lifting cylinder 20 is connected to the runout detection sensor mounting base 21. The extended runout detection sensor 22 is mounted on the runout detection sensor mounting base 21. The detection end of the extended runout detection sensor 22 abuts against the test ring groove on the outer circumferential surface of the extended runout sleeve 3. The axial center line of the output end of the lifting cylinder 20 and the axial center line of the detection end of the extended runout detection sensor 22 are both perpendicular to the upper surface of the worktable 001. In this embodiment, the lifting cylinder 20 is a commercially available product, connected to an external air source, and its operation is controlled by an external controller. The output end of the lifting cylinder 20 extends and retracts, driving the extension runout detection sensor 22 to rise and fall. The extension runout detection sensor 22 is a commercially available contact displacement sensor, connected to an external controller. The extension runout detection sensor 22 can move together with the runout detection base assembly to ensure positioning accuracy.

[0035] Specifically, in this embodiment, the displacement sensor assembly includes a fixed part 23 mounted on a workbench 001 and a movable part 24 mounted on a spring stop 9 of a runout detection base assembly. The movable part 24 moves on the fixed part 23, and the fixed part 23 is mounted on the workbench 001 via a displacement sensor mounting base 25. The displacement sensor assembly including the movable part 24 and the fixed part 23 is a commercially available displacement sensor and is connected to an external controller.

[0036] Working principle:

[0037] During testing, the extended runout sleeve 3 contacts the workpiece and begins the engagement operation, with spring A 12 providing the engagement preload. Once the set position is reached, the displacement sensor assembly records this position. Next, the workpiece rotates, and the threaded channel of the extended runout sleeve 3 engages with the thread to be inspected, causing the workpiece to rotate without axial movement. If the extended runout sleeve 3 does not rotate, it will move axially, causing the sliding plate 5 to move on the slide rail 8. Once the pre-set position is reached, the displacement sensor assembly records this position. Then, the pull-back cylinder 1 operates, causing the inner expansion chuck 2 to retract, completing the separation of the extended runout sleeve 3 from the inner expansion chuck 2. The displacement sensor assembly records the data. The lifting cylinder 20 operates, and the detection end of the extended runout detection sensor 22... The workpiece contacts the inspection groove on the outer circumference of the extended runout sleeve 3, completing the pre-inspection preparation process; the workpiece is rotated again, and within the time set by the system, the lifting cylinder 20 records the runout of the extended runout sleeve 3 in real time; after the inspection is completed, the pulling cylinder 1 operates, the inner expansion chuck 2 tightens to complete the connection with the extended runout sleeve 3, and the workpiece rotates in the opposite direction to disengage from the extended runout sleeve 3; finally, if the inspection value is within the tolerance range, the workpiece is qualified, and the robot transfers the workpiece to the qualified material area, waiting for the staff to transfer it; if the inspection value exceeds the deviation, the workpiece is unqualified, and the robot transfers the workpiece to the unqualified material area, waiting for re-inspection.

Claims

1. An extension jump detection device, characterized in that: It includes a runout detection base assembly, a pull-back cylinder (1), an internal expansion chuck (2), an extension runout sleeve (3), an extension runout detection assembly, and a displacement sensor assembly; The runout detection base assembly is slidably mounted on the worktable. The pull-back cylinder (1) is mounted on the runout detection base assembly. The drive end of the pull-back cylinder (1) is connected to the inner expansion chuck (2) and drives the inner expansion chuck (2) to expand and connect with the extended runout sleeve (3) or drives the inner expansion chuck (2) to contract and separate from the extended runout sleeve (3). The extended runout sleeve (3) has a threaded channel inside for connecting with the workpiece to be tested. The extended runout detection component is installed on the runout detection base component and detects the runout of the extended runout sleeve (3) connected to the workpiece to be tested; the runout detection base component moves along the axial direction of the extended runout sleeve (3) and the axial position of the runout detection base component is detected by the displacement sensor component.

2. The extension runout detection device according to claim 1, characterized in that: Limiting blocks (4) are respectively provided on the front and rear working platforms of the vibration detection base assembly.

3. The extension runout detection device according to claim 1, characterized in that: The vibration detection base assembly includes a sliding plate (5), a vertical mounting frame (6), and a rear-pull cylinder mounting plate (7). The lower surface of the sliding plate (5) is provided with a slider, and the worktable is provided with a slide rail (8) that is slidably connected to the slider. The vertical mounting frame (6) is disposed on the upper surface of the sliding plate (5). The rear-pull cylinder mounting plate (7) is installed on the inner side of the vertical mounting frame (6). The rear-pull cylinder (1) is installed on the rear-pull cylinder mounting plate (7). The extended vibration detection assembly is installed on the top of the vertical mounting frame (6).

4. The extension runout detection device according to claim 3, characterized in that: The sliding plate (5) is provided with a spring stop (9), and the worktable is provided with a horizontal guide rod (10). A limit nut A (11) is threadedly connected to the horizontal guide rod (10), and the horizontal guide rod (10) passes through the spring stop (9). A spring A (12) is sleeved on the horizontal guide rod (10) between the spring stop (9) and the limit nut A (11).

5. The extension runout detection device according to claim 3, characterized in that: Several guide protrusions (701) extend from both the left and right sides of the rear cylinder mounting plate (7). Guide grooves (601) are provided on the vertical mounting frame (6) at positions corresponding to each guide protrusion (701). The vertical mounting frame (6) is also equipped with several sealing plates (13) for closing the openings of each guide groove (601). Each sealing plate (13) is provided with a positioning bead (14) arranged along the axial direction of the extended jumping sleeve (3). The ball end of each positioning bead (14) abuts against the adjacent guide protrusion (701).

6. The extension runout detection device according to claim 5, characterized in that: Each of the guide protrusions (701) can move up and down in the corresponding guide grooves (601), and the ball end of each positioning bead (14) always abuts against the adjacent guide protrusion (701).

7. The extension runout detection device according to claim 6, characterized in that: A vertical guide sleeve (15) is installed on the sliding plate (5) on the left and right sides of the vertical mounting bracket (6). Each vertical guide sleeve (15) is threaded with a limit nut B (16) and has the lower end of a vertical guide rod (17) passing through it. The upper end of each vertical guide rod (17) is connected to the uppermost guide protrusion (701) on the same side. A spring B (18) is sleeved on the vertical guide rod (17) between the uppermost guide protrusion (701) and the limit nut B (16).

8. The extension runout detection device according to claim 1, characterized in that: The extended runout detection assembly includes a lifting cylinder mounting base (19), a lifting cylinder (20), a runout detection sensor mounting base (21), and an extended runout detection sensor (22). The lifting cylinder mounting base (19) is mounted on the runout detection base assembly. The lifting cylinder (20) is mounted on the lifting cylinder mounting base (19). The output end of the lifting cylinder (20) is connected to the runout detection sensor mounting base (21). The extended runout detection sensor (22) is mounted on the runout detection sensor mounting base (21). The detection end of the extended runout detection sensor (22) abuts against the outer circumferential surface of the extended runout sleeve (3).

9. The extension runout detection device according to claim 8, characterized in that: The axial centerline of the output end of the lifting cylinder (20) and the axial centerline of the detection end of the extended runout detection sensor (22) are both perpendicular to the upper surface of the worktable.

10. The extension runout detection device according to claim 1, characterized in that: The displacement sensor assembly includes a fixed part (23) mounted on a workbench and a movable part (24) mounted on the jump detection base assembly, wherein the movable part (24) moves on the fixed part (23).

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