Flaw detection spraying device

Abstract

The utility model discloses a flaw detection spraying device which comprises a turntable and a spray head assembly, the turntable can rotate along the axis of the turntable, the upper end of the turntable is fixedly provided with a positioning block, the positioning block is arranged close to the periphery of the turntable, and the upper end of the positioning block is provided with a positioning cavity for placing a workpiece body; the nozzle assembly comprises a nozzle located above the rotary disc, the rotary disc rotates to enable the positioning block to rotate to the position below the nozzle, and the spraying end of the nozzle is aligned with the positioning cavity. The utility model provides a flaw detection spraying device, which improves the spraying quality and the detection efficiency by automatically spraying a developer and solves the problem of harm to a human body caused by manual spraying of the developer.

Description

Technical Field

[0001] The utility model relates to the technical field of metal surface detection, in particular to a flaw detection spraying device. Background Art

[0002] After finishing, the existing thrust pad needs to be subjected to color penetrant testing on the alloy surface to detect whether there are pores and other problems on the surface after the alloy is cast. The principle is to use penetrants and developers. The defects such as casting pores on the alloy surface absorb the penetrants into the internal defects of the weld, and under the action of the developer, the defects show color difference, thereby realizing defect detection. In the specific operation process, after cleaning the surface of the thrust pad to be tested, place it on the workbench, spray the penetrant evenly, wait for about 15 minutes, then spray the cleaning agent, and after drying, spray the developer on the thrust pad. At this time, the defective part will gradually show red color.

[0003] At present, the quality of alloy casting is tested manually. The developer sprayed manually during color penetration testing is a very fine powder substance, which can cause damage to the human body if inhaled and is prone to occupational diseases. In addition, there are problems such as low efficiency of manual spraying testing and certain manual operation errors caused by continuous long-term operation. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a flaw detection spraying device, which improves the spraying quality and detection efficiency by automatically spraying the developer, and solves the problem of harm to the human body caused by manual spraying of the developer.

[0005] The utility model discloses a flaw detection spraying device, comprising a turntable and a spray head assembly. The turntable can rotate along its own axis, a positioning block is fixedly installed on the upper end of the turntable, the positioning block is arranged close to the outer periphery of the turntable, and a positioning cavity for placing a workpiece body is arranged on the upper end of the positioning block; the spray head assembly comprises a spray head, and the spray head is located above the turntable. The turntable rotates to make the positioning block rotate to the bottom of the spray head, and the spray end of the spray head is aligned with the positioning cavity.

[0006] Furthermore, the nozzle assembly also includes a fifth connecting block, a fifth driving unit is installed on the upper end of the fifth connecting block, the output end of the fifth driving unit passes through the lower end of the fifth connecting block, the output end of the fifth driving unit is fixedly connected to a sixth connecting block, the sixth connecting block is located below the fifth connecting block, the sixth connecting block is fixedly connected to a seventh connecting block, the seventh connecting block is rotatably connected to the first adjusting block, the first adjusting block is rotatably connected to the second adjusting block, and the nozzle is fixedly installed on the second adjusting block.

[0007] Furthermore, the first adjusting block includes a shaft portion, the shaft portion is inserted into the seventh connecting block, and the first adjusting block can rotate along the axis of the shaft portion to adjust the spraying direction of the spraying end of the nozzle.

[0008] Furthermore, the axial direction of the shaft is parallel to the upper end surface of the turntable.

[0009] Furthermore, the first adjustment block also includes a plate portion and an extension portion, the plate portion is fixedly connected to the seventh connecting block, the extension portion is located on a side of the first adjustment block away from the shaft portion, and the extension portion is rotatably connected to the second adjustment block.

[0010] Furthermore, the axis of the hinge shaft of the second adjusting block is parallel to the upper end surface of the turntable, and the axis of the hinge shaft of the second adjusting block is perpendicular to the axis of the shaft portion.

[0011] Furthermore, the fifth connecting block is fixedly installed with a linear bearing, the inner wall of the linear bearing is slidably connected with a second guide rod, the bottom of the second guide rod is fixedly connected to the sixth connecting block, the fixed end of the seventh connecting block at the sixth connecting block and the fixed end of the second guide rod at the sixth connecting block are respectively located on both sides of the sixth connecting block, and the nozzle is located on the side of the nozzle assembly away from the second guide rod.

[0012] Furthermore, it also includes a material picking component, which includes a third driving part, the third driving part is installed on the second connecting block, the second connecting block is installed on the second driving part, the second driving part can drive the third driving part to move up and down, the second driving part is fixedly installed on the slider, the slider is driven by the first driving part to move the slider and approach or move away from the turntable; the third driving part can move above the turntable, and a claw is installed at the output end of the third driving part. The turntable rotates so that the claw is located above the positioning cavity, and when the third driving part moves downward, the claw approaches the positioning cavity.

[0013] Furthermore, it also includes a probe assembly, which includes a probe. The probe is located above the turntable, and the search direction of the probe points to the upper end of the turntable. The rotation of the turntable can align the probe with the positioning cavity.

[0014] Beneficial effects of the utility model:

[0015] 1. The workpiece body is circulated by the turntable, and the developer is automatically sprayed on the alloy layer on the workpiece surface and the image is judged, thereby avoiding the harm caused by manual operation. At the same time, the consistency of spraying is improved, and the accuracy and efficiency of detection are also improved.

[0016] 2. By adjusting the spray direction of the nozzle spray end, the nozzle spray end can spray more evenly on the upper surface of the workpiece, covering more comprehensively and improving the spraying quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A perspective view of an embodiment;

[0018] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0019] Figure 3is a stereoscopic diagram of a nozzle assembly in an embodiment;

[0020] Figure 4 for Figure 3 Enlarged view of point B in the middle.

[0021] Figure numerals: workbench 1, turntable 2, positioning block 21, positioning cavity 211, material picking assembly 3, connecting plate 31, guide rail 32, slider 33, guide seat 331, limit piece 3311, first driving part 34, second driving part 35, second connecting block 36, first guide rod 361, third connecting block 362, third driving part 37, claw 371, first bracket 38, nozzle assembly 4, fourth driving part 41, fifth driving part 42, fifth connecting block 43, linear bearing 431, second bracket 44, sixth connecting block 45, second guide rod 451, seventh connecting block 46, first adjusting block 461, plate part 4611, shaft part 4612, extension part 4613, second adjusting block 47, nozzle 48, air pipe 49, probe assembly 5, probe 51, workpiece body 6. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in this embodiment to clearly and completely describe the technical solution in this embodiment. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] like Figure 1-Figure 4 As shown, a flaw detection spraying device is used to spray a developer on the alloy layer on the upper surface of the workpiece body 6 and detect whether the developer changes color. The workpiece body 6 is a thrust washer. After the alloy layer on the upper surface of the workpiece body 6 is sprayed with a penetrant, it is grabbed and entered into the flaw detection device of this embodiment for developer spraying detection. The developer is in powder form. After the developer is sprayed, if the developer on the alloy layer on the upper surface of the workpiece body 6 appears red, it means that the quality of the alloy layer of the workpiece body 6 does not meet the standard and needs to be reworked.

[0024] like Figure 1 As shown, the flaw detection device includes a turntable 2 and a nozzle assembly 4. The turntable 2 is installed on the upper end of the workbench 1. The turntable 2 is controlled by a servo motor and can rotate along its own axis. The start and stop and the rotation angle of the turntable 2 are controlled by the servo motor (the turntable 2 and the matching servo motor are purchased parts). Four positioning blocks 21 are fixedly installed on the upper end of the turntable 2. The four positioning blocks 21 are arranged close to the outer periphery of the turntable 2 and are evenly distributed. A positioning cavity 211 for placing the workpiece body 6 is provided on the upper end of the positioning block 21. The inner wall size of the positioning cavity 211 matches the shape of the workpiece body 6. The depth of the positioning cavity 211 is less than the thickness of the workpiece body 6 to facilitate the extraction of the workpiece body 6.

[0025] like Figure 1 As shown, the flaw detection device also includes a material picking component 3, which includes a first bracket 38, which is installed on the upper end of the workbench 1, and the first bracket 38 is installed with a connecting plate 31, which is located above the workbench 1, and the connecting plate 31 is installed with a first driving part 34, which is a synchronous belt module, and a slider 33 is installed at the moving end of the first driving part 34, and the slider 33 is slidably connected to the connecting plate 31 through a guide rail 32, and the moving direction of the slider 33 is along the direction away from or close to the turntable 2.

[0026] like Figure 2 As shown, the slider 33 is equipped with a second driving part 35, the output end at the bottom of the second driving part 35 is connected to a second connecting block 36, and the second connecting block 36 is equipped with a third driving part 37. Figure 1 , driven by the second driving part 35, the third driving part 37 can move up and down along the axis of the turntable 2. The third driving part 37 is a finger cylinder, and a claw 371 is installed at the output end of the third driving part 37, which can grasp the workpiece body 6. The third driving part 37 can move above the turntable 2, and the claw 371 is moved above the positioning cavity 211 by the rotation of the turntable 2 and the movement of the output end of the first driving part 34. The claw 371 moves downward and puts the workpiece body 6 into the positioning cavity 211.

[0027] The slider 33 is equipped with a guide seat 331, which is located on both sides of the second driving part 35 in the axial direction. The first guide rod 361 is fixedly connected to both sides of the second connecting block 36. The limiting piece 3311 is a circular long rod structure. The first guide rod 361 is axially coaxial with the second driving part 35. The outer wall of the first guide rod 361 is slidably connected to the inner wall of the guide seat 331. The third connecting block 362 is fixedly installed between the tops of the two first guide rods 361. The limiting pieces 3311 are respectively installed on the upper and lower ends of the guide seat 331. When the output end of the second driving part 35 extends downward, the second connecting block 36 drives the first guide rod 361 and the third connecting block 362 to move downward together. The limiting piece 3311 at the upper end of the guide seat 331 can resist the third connecting block 362, thereby realizing the control of the output end stroke of the second driving part 35 by the limiting piece 3311. Similarly, when the second connection block 36 moves upward, the limiter 3311 at the lower end of the guide seat 331 can abut against the second connection block 36 to form a limit. The limiter 3311 can improve the movement safety of the claw 371, and at the same time, when the claw 371 grabs and releases the workpiece body 6, the grabbing position and the releasing position can also be more stable, so as to improve the stability of the claw 371 controlling the workpiece body 6.

[0028] like Figure 1As shown, the nozzle assembly includes a second bracket 44, the second bracket 44 is fixed to the workbench 1, the second bracket 44 is installed with a fourth driving unit 41, and the output end of the fourth driving unit 41 is connected to a fifth connecting block 43. Figure 3 As shown, the fifth driving part 42 is installed on the upper end of the fifth connecting block 43, the output end of the fifth driving part 42 passes through the lower end of the fifth connecting block 43, the output end of the fifth driving part 42 is fixedly connected with the sixth connecting block 45, the sixth connecting block 45 is located below the fifth connecting block 43, the sixth connecting block 45 is fixedly connected with the seventh connecting block 46, the seventh connecting block 46 is rotatably connected with the first adjusting block 461, the first adjusting block 461 is rotatably connected with the second adjusting block 47, the second adjusting block 47 is fixedly installed with a nozzle 48, and the nozzle 48 is located above the turntable 2.

[0029] When in working state, the output end of the fourth driving part 41 is extended, and the fifth connecting block 43 is located closest to the center of the turntable 2. When in non-working state, the output end of the fourth driving part 41 is retracted to reserve more operating space above the turntable 2 to facilitate replacement and maintenance of parts.

[0030] like Figure 4 As shown, the first adjustment block 461 includes a shaft 4612, the axis direction of the shaft 4612 is parallel to the upper end surface of the turntable 2, the shaft 4612 is inserted into the seventh connecting block 46, and the first adjustment block 461 can rotate along the axis of the shaft 4612 to adjust the injection direction of the injection end of the nozzle 48.

[0031] The first adjustment block 461 also includes a plate portion 4611 and an extension portion 4613. The plate portion 4611 is fixedly connected to the seventh connection block 46. The extension portion 4613 is located on the side of the first adjustment block 461 away from the shaft portion 4612. The extension portion 4613 is rotatably connected to the second adjustment block 47 at P. A hinge axis is connected between the extension portion 4613 and the second adjustment block 47, and the second adjustment block 47 can rotate along the hinge axis. The axis of the hinge axis of the second adjustment block 47 is parallel to the upper end surface of the rotating disk 2, and the axis of the hinge axis of the second adjustment block 47 is perpendicular to the axis of the shaft portion 4612. The spray direction of the spray end of the spray head 48 is adjusted by rotating the second adjustment block 47.

[0032] By adjusting the spraying direction of the spraying end of the spray head 48, the spraying end of the spray head 48 can spray more evenly and more comprehensively on the upper surface of the workpiece body 6, thereby improving the spraying quality.

[0033] like Figure 3As shown, the fifth connecting block 43 is fixedly installed with a linear bearing 431, and the inner wall of the linear bearing 431 is slidably connected with the second guide rod 451, the bottom of the second guide rod 451 is fixedly connected to the sixth connecting block 45, the seventh connecting block 46 is located at the fixed end of the sixth connecting block 45 and the second guide rod 451 is located at the fixed end of the sixth connecting block 45 on both sides of the sixth connecting block 45, respectively, and the nozzle 48 is located on the side of the nozzle assembly away from the second guide rod 451. Driven by the fifth driving unit 42, the nozzle 48 moves up and down, and the second guide rod 451 moves synchronously in the linear bearing 431. Since the nozzle 48 is cantilevered, the position of the nozzle 48 is more stable by setting the second guide rod 451 and the linear bearing 431. When the nozzle 48 sprays, its spraying angle is not easy to shake, which is beneficial to improving the stability of the nozzle 48 spraying.

[0034] When the nozzle 48 sprays, the spray end of the nozzle 48 is aligned with the upper surface of the workpiece body 6 in the positioning cavity 211 , so that the developer is sprayed on the alloy layer on the upper surface of the workpiece body 6 .

[0035] like Figure 3 As shown, the second regulating block 47 is also equipped with an air pipe 49, which is connected to an external air source, and the air outlet of the air pipe 49 is aligned with the injection end of the nozzle 48. The injection end of the nozzle 48 is cleaned regularly through the air pipe 49 to prevent blockage.

[0036] like Figure 1 As shown, the flaw detection device further includes a probe assembly 5, which is a conventional detection device currently used for automatically determining whether the workpiece body 6 changes color after the developer is sprayed.

[0037] The probe assembly 5 includes a probe 51, which is located above the turntable 2. The illumination direction of the probe 51 points to the upper end of the turntable 2. The rotation of the turntable 2 can make the probe 51 align with the upper end of the workpiece body 6 in the positioning cavity 211 to perform color judgment.

[0038] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A flaw detection spraying device, characterized in that: The invention comprises a rotating disk (2) and a nozzle assembly (4), wherein the rotating disk (2) is capable of rotating along its own axis, a positioning block (21) is fixedly mounted on the upper end of the rotating disk (2), the positioning block (21) is arranged close to the outer periphery of the rotating disk (2), and a positioning cavity (211) for placing a workpiece body (6) is provided on the upper end of the positioning block (21); The spray head assembly comprises a spray head (48), wherein the spray head (48) is located above the rotating disk (2), and the rotating disk (2) rotates to rotate the positioning block (21) to below the spray head (48), and the spray end of the spray head (48) is aligned with the positioning cavity (211); The material taking assembly (3) further comprises a material taking assembly (3), wherein the material taking assembly (3) comprises a third driving part (37), wherein the third driving part (37) is mounted on a second connecting block (36), wherein the second connecting block (36) is mounted on a second driving part (35), wherein the second driving part (35) can drive the third driving part (37) to move up and down, wherein the second driving part (35) is fixedly mounted on a sliding block (33), and wherein the sliding block (33) is driven by the first driving part (34) so ​​that the sliding block (33) moves and approaches or moves away from the rotating disk (2); The third driving part (37) is capable of moving to above the rotating disk (2); a claw (371) is installed at the output end of the third driving part (37); the rotating disk (2) rotates so that the claw (371) is located above the positioning cavity (211); when the third driving part (37) moves downward, the claw (371) is close to the positioning cavity (211); It also comprises a probe assembly (5), the probe assembly (5) comprising a probe (51), the probe (51) being located above the turntable (2), the search direction of the probe (51) pointing to the upper end of the turntable (2), and the turntable (2) being able to rotate so that the probe (51) is aligned with the positioning cavity (211).

2. A flaw detection spraying device according to claim 1, characterized in that: The nozzle assembly (4) further comprises a fifth connecting block (43), the upper end of which is mounted a fifth driving unit (42), the output end of which passes through the lower end of the fifth connecting block (43), the output end of which is fixedly connected to a sixth connecting block (45), the sixth connecting block (45) being located below the fifth connecting block (43), the sixth connecting block (45) being fixedly connected to a seventh connecting block (46), the seventh connecting block (46) being rotatably connected to a first adjusting block (461), the first adjusting block (461) being rotatably connected to a second adjusting block (47), the second adjusting block (47) being fixedly mounted to the nozzle (48).

3. A flaw detection spraying device according to claim 2, characterized in that: The first adjustment block (461) includes a shaft portion (4612), and the shaft portion (4612) is inserted into the seventh connecting block (46). The first adjustment block (461) can be rotated along the axis of the shaft portion (4612) to adjust the injection direction of the injection end of the nozzle (48).

4. A flaw detection spraying device according to claim 3, characterized in that: The axial direction of the shaft portion (4612) is parallel to the upper end surface of the turntable (2).

5. A flaw detection spraying device according to claim 3, characterized in that: The first adjustment block (461) further comprises a plate portion (4611) and an extension portion (4613), wherein the plate portion (4611) is fixedly connected to the seventh connection block (46), and the extension portion (4613) is located on a side of the first adjustment block (461) away from the shaft portion (4612), and the extension portion (4613) is rotationally connected to the second adjustment block (47).

6. A flaw detection spraying device according to claim 5, characterized in that: The axis of the hinge shaft of the second adjustment block (47) is parallel to the upper end surface of the turntable (2), and the axis of the hinge shaft of the second adjustment block (47) is perpendicular to the axis of the shaft portion (4612).

7. A flaw detection spraying device according to claim 3, characterized in that: The fifth connecting block (43) is fixedly mounted with a linear bearing (431), the inner wall of the linear bearing (431) is slidably connected with a second guide rod (451), the bottom of the second guide rod (451) is fixedly connected to the sixth connecting block (45), the seventh connecting block (46) at a fixed end of the sixth connecting block (45) and the second guide rod (451) at a fixed end of the sixth connecting block (45) are respectively located on both sides of the sixth connecting block (45), and the nozzle (48) is located on a side of the nozzle assembly (4) away from the second guide rod (451).

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