Valve accessory crack detection device

Abstract

The utility model relates to the technical field of valve accessories, in particular to a valve accessory crack detection device which comprises a workbench with an L-shaped cross section and a metal crack detector body, a supporting frame is fixedly connected to the workbench, a plurality of openings are formed in the supporting frame, and the metal crack detector body is fixedly connected to the workbench. A placing plate with an L-shaped cross section is rotationally connected into one opening; and a bidirectional lead screw is rotationally connected to the interior of the supporting frame, two sliding blocks are connected to the bidirectional lead screw in a threaded mode, a clamping block is arranged at the end, penetrating through the corresponding opening, of each sliding block, and a lug plate is fixedly connected to the inner wall of one side of the supporting frame. According to the utility model, automatic blanking of a detected workpiece is realized, when a next valve fitting is detected subsequently, the detected valve fitting does not need to be taken down, and a to-be-detected valve fitting can be directly placed, so that the operation is relatively convenient and rapid, and the detection efficiency of the valve fitting is relatively high.

Description

Technical Field

[0001] The utility model relates to the technical field of valve accessories, in particular to a valve accessory crack detection device. Background Art

[0002] With the continuous development of society and the continuous advancement of science and technology, the technology related to valve accessories is also constantly improving. Valve accessories are generally metal products. During the processing of valve accessories, cracks are prone to occur inside them. In order to ensure the normal use of the valve, the processed valve accessories need to be subjected to crack detection.

[0003] Currently, after crack flaw detection is performed on valve accessories, the valve accessories cannot be automatically removed from the detection device. When the next valve accessory is subsequently tested, it is necessary to first remove the tested valve accessory and then replace the valve accessory to be tested. This operation is cumbersome and inconvenient, resulting in low detection efficiency of valve accessories. Utility Model Content

[0004] The purpose of the utility model is to solve the following shortcomings in the prior art: currently, after the valve accessories are subjected to crack flaw detection, the valve accessories cannot be automatically removed from the detection device. When the next valve accessory is subsequently detected, it is necessary to first remove the detected valve accessory and then replace the valve accessory to be detected. The operation is cumbersome and inconvenient, resulting in low detection efficiency of the valve accessories. A valve accessory crack detection device is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A valve accessory crack detection device comprises a workbench with an L-shaped cross section and a metal crack flaw detector body, wherein the workbench is fixedly connected to a support frame, and the support frame is provided with a plurality of openings, wherein a placement plate with an L-shaped cross section is rotatably connected in one of the openings;

[0007] The support frame is internally rotatably connected with a bidirectional screw rod, and the bidirectional screw rod is threadedly connected with two sliding blocks, and each of the sliding blocks is provided with a clamping block at one end corresponding to the opening, and an ear plate is fixedly connected to an inner wall of one side of the support frame, and a support rod is slidably connected to the ear plate. A sliding assembly is provided in the support frame, and the sliding assembly includes a moving block slidably arranged inside the support frame, and a limiting groove with a right-angle trapezoidal cross-section is provided on the moving block, the lower end of the support rod is fitted with the inclined surface of the limiting groove, the upper end of the support rod is fitted with the lower surface of the placement plate, and an extrusion plate is fixedly connected to one side of the moving block.

[0008] Preferably, the cross section of the moving block is T-shaped, a spring is sleeved on the moving block, one end of the spring is fixedly connected to the moving block, and the other end of the spring is fixedly connected to the support frame.

[0009] Preferably, each of the sliding blocks is connected to the corresponding clamping block via a bolt, a threaded groove for connecting the bolt is provided on the clamping block, and the cross section of the clamping block is T-shaped.

[0010] Preferably, a collection box is installed on the workbench, and a foam pad is fixedly connected to the inner wall of the collection box.

[0011] Preferably, a non-slip pad is fixedly connected to the surface of each clamping block, and the non-slip pad is made of rubber material.

[0012] Preferably, two rectangular plates are fixedly connected to the workbench, a reciprocating screw is rotatably connected between the two rectangular plates, a support block is threadedly connected to the reciprocating screw, the metal crack flaw detector body is fixedly mounted on the lower surface of the support block, and the metal crack flaw detector body is connected to a detection head via a cylinder.

[0013] Preferably, a rectangular groove is formed on the workbench, and one end of the support block is slidably connected to the rectangular groove.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] When the upper end of the support rod moves upward against the lower surface of the placement plate, the placement plate and the support frame will rotate relative to each other. After the rotation, the placement plate will be tilted, and the workpiece will slide along the surface of the placement plate to be collected in the collection box, thereby realizing automatic unloading of the workpiece after inspection. When the next valve accessory is inspected subsequently, there is no need to remove the inspected valve accessory, and the valve accessory to be inspected can be directly placed. The operation is relatively convenient and quick, and the inspection efficiency of the valve accessories is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front structural schematic diagram of a valve accessory crack detection device proposed by the utility model;

[0017] Figure 2 This is a side structural schematic diagram of a valve accessory crack detection device proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of a partial front cross-sectional structure of a valve accessory crack detection device proposed by the utility model;

[0019] Figure 4 It is a front partial cross-sectional structural schematic diagram of the support frame and the moving block in the utility model.

[0020] In the figure: 1 workbench, 2 support frame, 3 placement plate, 4 detection head, 5 cylinder, 6 reciprocating screw, 7 support block, 8 rectangular plate, 9 slider, 10 collection box, 11 moving block, 12 clamping block, 13 bidirectional screw, 14 spring, 15 limit groove, 16 extrusion plate, 17 bolt, 18 ear plate, 19 support rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] The terms such as "upper", "lower", "left", "right", "middle" and "one" cited in the present utility model are only for the convenience of description and are not used to limit the scope of application of the present utility model. Changes or adjustments in their relative relationships shall be regarded as the scope of application of the present utility model without substantially changing the technical content.

[0023] Reference Figure 1-Figure 4 A valve fitting crack detection device comprises a workbench 1 with an L-shaped cross section and a metal crack flaw detector body, a support frame 2 is fixedly connected to the workbench 1, a plurality of openings are provided on the support frame 2, a placement plate 3 with an L-shaped cross section is rotatably connected in one of the openings, the placement plate 3 has a large mass, a bidirectional screw rod 13 is rotatably connected inside the support frame 2, two sliders 9 are threadedly connected on the bidirectional screw rod 13, a clamping block 12 is provided at one end of each slider 9 that passes through the corresponding opening, and the opening can prevent the slider 9 from swinging, an ear plate 18 is fixedly connected to the inner wall of one side of the support frame 2, a support rod 19 is slidably connected to the ear plate 18, a sliding assembly is provided in the support frame 2, the sliding assembly comprises a moving block 11 slidably arranged inside the support frame 2, a limiting groove 15 with a right-angle trapezoidal cross section is provided on the moving block 11, the lower end of the support rod 19 is fitted with the inclined surface of the limiting groove 15, the upper end of the support rod 19 is fitted with the lower surface of the placement plate 3, and an extrusion plate 16 is fixedly connected to one side of the moving block 11.

[0024] The cross section of the moving block 11 is T-shaped, and a spring 14 is sleeved on the moving block 11. One end of the spring 14 is fixedly connected to the moving block 11, and the other end of the spring 14 is fixedly connected to the support frame 2. During the movement of one of the sliders 9, it will move against the extrusion plate 16, thereby driving the moving block 11 and the support frame 2 to slide relative to each other, and the spring 14 will deform. Each slider 9 is connected to the corresponding clamping block 12 by a bolt 17. A threaded groove for connecting the bolt 17 is provided on the clamping block 12. The cross section of the clamping block 12 is T-shaped. One end of the bolt 17 is passed through the slider 9 and threadedly connected to the threaded groove on the clamping block 12. The clamping block 12 and the slider 9 can be firmly connected together. When the clamping block 12 is damaged due to long-term use, it is convenient to replace the clamping block 12.

[0025] A collection box 10 is installed on the workbench 1, and a foam pad is fixedly connected to the inner wall of the collection box 10. The foam pad on the inner wall of the collection box 10 has a good buffering effect on the stored valve accessories, thereby preventing the valve accessories from being damaged when they fall into the collection box 10. The surface of each clamping block 12 is fixedly connected with an anti-slip pad, and the anti-slip pad is set to be made of rubber material. The rubber anti-slip pad can better fit the surface of the valve accessories, so that the two clamping blocks 12 can clamp the valve accessories to prevent the valve accessories from shifting.

[0026] Two rectangular plates 8 are fixedly connected to the workbench 1, and a reciprocating screw rod 6 is rotatably connected between the two rectangular plates 8. A support block 7 is threadedly connected to the reciprocating screw rod 6. The metal crack flaw detector body is fixedly installed on the lower surface of the support block 7. The metal crack flaw detector body is connected to the detection head 4 through a cylinder 5. A rectangular groove is provided on the workbench 1. One end of the support block 7 is slidably connected to the rectangular groove. Both ends of the cylinder 5 are respectively fixedly connected to the metal crack flaw detector body and the detection head 4. The cylinder 5 drives the detection head 4 to extend into the fluid channel of the workpiece to be detected. The metal crack flaw detector body is started and the valve accessories can be cracked through the detection head 4. A soft connecting wire is connected to the metal crack flaw detector body, and the soft connecting wire is fixedly connected to the detection head 4. The reciprocating screw rod 6 and the bidirectional screw rod 13 are respectively driven by two motors. When the motor drives the reciprocating screw rod 6 to rotate, the support block 7 will move along the reciprocating screw rod 6, thereby adjusting the position of the metal crack flaw detector body. The rectangular groove can limit the moving trajectory of the support block 7.

[0027] In the utility model, the placement plate 3 is in a horizontal state in the initial state, the workpiece to be detected is placed on the upper surface of the placement plate 3, and then the motor drives the bidirectional screw rod 13 to rotate, and the two sliders 9 move along the bidirectional screw rod 13 at the same time, and the distance between the two sliders 9 is reduced. After the two clamping blocks 12 move, the workpiece to be detected on the placement plate 3 can be clamped, and then the detection head 4 is extended into the fluid channel of the workpiece to be detected, the metal crack flaw detector body is started, and the valve accessories are subjected to crack flaw detection through the detection head 4. When the detection is completed, the motor continues to drive the bidirectional screw rod 13 to rotate, and at this time the distance between the two sliders 9 is continuously increased. The process of one slider 9 moving In the process, it will move against the extrusion plate 16, thereby driving the moving block 11 and the support frame 2 to slide relative to each other, and the spring 14 will be deformed. In this process, the lower end of the support rod 19 will move up against the lower surface of the limit groove 15. During the relative sliding of the support rod 19 and the ear plate 18, the upper end of the support rod 19 will move against the placement plate 3. After the placement plate 3 is rotated, it is tilted. The workpiece will slide along the surface of the placement plate 3 to the collection box 10 for collection. When the next valve accessory is tested subsequently, there is no need to remove the tested valve accessory, and the valve accessory to be tested can be directly placed. The operation is relatively convenient and quick, and the detection efficiency of the valve accessories is high.

[0028] In the present invention, unless otherwise clearly specified or limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A valve fitting crack detection device, comprising a workbench (1) with an L-shaped cross section and a metal crack detector body, characterized in that: The workbench (1) is fixedly connected to a support frame (2), and the support frame (2) is provided with a plurality of openings, wherein a placement plate (3) having an L-shaped cross section is rotatably connected in one of the openings; The support frame (2) is internally rotatably connected with a bidirectional screw rod (13), and two sliders (9) are threadedly connected to the bidirectional screw rod (13), and each slider (9) is provided with a clamping block (12) at one end thereof that passes through the corresponding opening; an ear plate (18) is fixedly connected to an inner wall of one side of the support frame (2), and a support rod (19) is slidably connected to the ear plate (18); a sliding assembly is provided in the support frame (2), and the sliding assembly comprises a moving block (11) slidably arranged inside the support frame (2); a limiting groove (15) having a right-angle trapezoidal cross section is provided on the moving block (11); the lower end of the support rod (19) is fitted with an inclined surface of the limiting groove (15), and the upper end of the support rod (19) is fitted with a lower surface of the placement plate (3); and an extrusion plate (16) is fixedly connected to one side of the moving block (11).

2. A valve accessory crack detection device according to claim 1, characterized in that The cross section of the moving block (11) is T-shaped, and a spring (14) is sleeved on the moving block (11). One end of the spring (14) is fixedly connected to the moving block (11), and the other end of the spring (14) is fixedly connected to the support frame (2).

3. A valve accessory crack detection device according to claim 1, characterized in that: Each of the sliding blocks (9) is connected to the corresponding clamping block (12) via a bolt (17); a threaded groove for connecting the bolt (17) is provided on the clamping block (12); and the cross section of the clamping block (12) is T-shaped.

4. A valve accessory crack detection device according to claim 1, characterized in that: A collection box (10) is installed on the workbench (1), and a foam pad is fixedly connected to the inner wall of the collection box (10).

5. A valve accessory crack detection device according to claim 1, characterized in that: The surface of each clamping block (12) is fixedly connected with an anti-skid pad, and the anti-skid pad is made of rubber material.

6. A valve accessory crack detection device according to claim 1, characterized in that: Two rectangular plates (8) are fixedly connected to the workbench (1); a reciprocating screw rod (6) is rotatably connected between the two rectangular plates (8); a support block (7) is threadedly connected to the reciprocating screw rod (6); the metal crack flaw detector body is fixedly mounted on the lower surface of the support block (7); and the metal crack flaw detector body is connected to a detection head (4) via a cylinder (5).

7. A valve accessory crack detection device according to claim 6, characterized in that: The workbench (1) is provided with a rectangular groove, and one end of the support block (7) is slidably connected to the rectangular groove.

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