Spraying device for dye penetrant inspection agent

By designing support and guiding devices, the instability problem of existing spraying equipment when spraying tubular workpieces was solved, achieving stable clamping and uniform spraying of tubular workpieces.

CN223800736UActive Publication Date: 2026-01-16WUJIANG HUAYANG TESTING EQUIPMENT CO LTD
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Patent Information

Application Number
CN202422680518.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2026-01-16
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

Existing spraying equipment requires frequent rotation of the workpiece when spraying long tubular workpieces, which can easily cause the workpiece to tilt or tip over, making it impossible to spray evenly.

Method used

A spraying device including a support device and a guide device was designed. The pipe workpiece is fixed by a clamp, the support plate drives the workpiece to rotate, the positioning bolt restricts the rotation, the drive motor drives the threaded rod to rotate, and the nozzle moves up and down under the action of the threaded rod to achieve uniform spraying of the pipe workpiece.

Benefits of technology

It achieves stable clamping and uniform spraying of long tubular workpieces, avoids workpiece tilting or tipping, and ensures uniform coverage of the flaw detector on the surface of the pipe workpiece.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223800736U_ABST
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Abstract

The utility model discloses a dye penetration flaw detection agent spraying device which comprises a base, a supporting device is fixedly installed at the rear end of the base, a guiding device is rotatably installed in the top end of the base, and a pipeline workpiece is placed at the top end of the guiding device. The supporting device comprises a nozzle, a supporting frame, vertical rods, a threaded rod, a driving motor, a storage cavity, a connecting pipe and a displacement support, the driving motor is fixedly installed in the center of the bottom end of the supporting frame, the threaded rod is fixedly installed in the center of the top end of the driving motor, and the vertical rods are fixedly installed on the two sides of the interior of the supporting frame; the vertical rod is sleeved with the displacement support in a sliding mode, the nozzle is fixedly installed in the center of the front end of the displacement support, the accumulation cavity is fixedly installed at the bottom of the rear end of the supporting frame, and the connecting pipes are symmetrically and fixedly installed between the nozzle and the accumulation cavity. Through the arrangement of the guiding device and the supporting device, the purpose of rapidly spraying a long tubular workpiece is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to spraying equipment technical field, concretely is a kind of coloring penetration flaw detection agent spraying device. BACKGROUND

[0002] Penetration flaw detection is a non-destructive testing method for checking material surface defects using capillary phenomenon. This technology originated in the early 20th century, and the first kerosene with penetration ability was used to check cracks in locomotive parts. With the development of science and technology, penetration flaw detection technology has gradually improved and is widely used in many fields.

[0003] For example, a coloring flaw detection spraying device for a sealing element disclosed in Chinese Patent No. CN211275070U includes a frame, a liquid storage tank is fixedly arranged in the top wall of the frame, a drive motor is arranged on the top of the liquid storage tank, a transmission shaft of the drive motor penetrates the liquid storage tank, and a stirring rod is fixedly arranged at the bottom of the transmission shaft of the drive motor, a heat preservation layer is fixedly arranged on the inner wall surface of the liquid storage tank, and an electric heating rod is fixedly arranged on the left and right sides of the bottom wall of the liquid storage tank and extends into the liquid storage tank.

[0004] The flaw detection spraying device in the above-mentioned patent can only achieve the purpose of smooth discharge when in use, but the existing spraying equipment cannot be used to spray long tubular workpieces. When spraying a long tubular workpiece, the workpiece needs to be frequently rotated, which may cause the workpiece to tilt or overturn. Therefore, an improved device is needed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a coloring penetration flaw detection agent spraying device to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a coloring penetration flaw detection agent spraying device, which includes a base, a support device is fixedly installed at the rear end of the base, a guide device is rotatably installed inside the top end of the base, a tubular workpiece is placed at the top end of the guide device, the support device includes a nozzle, a support frame, a vertical rod, a threaded rod, a drive motor, an accumulation cavity, a connecting pipe and a displacement bracket, the drive motor is fixedly installed at the bottom end center of the support frame, the threaded rod is fixedly installed at the top end center of the drive motor, the vertical rod is fixedly installed inside the two sides of the support frame, the displacement bracket is slidably sleeved on the vertical rod, the nozzle is fixedly installed at the front end center of the displacement bracket, the accumulation cavity is fixedly installed at the rear end bottom of the support frame, and the connecting pipe is symmetrically fixedly installed between the nozzle and the accumulation cavity.

[0007] Preferably, the guiding device comprises a positioning bolt, a clamp and a support disc, the clamp is fixedly installed at the top end of the support disc, and the positioning bolt is threadedly inserted into the outer circle of the top of the support disc.

[0008] Preferably, the support disc is rotatably installed at the top end of the base, and the support frame is fixedly installed at the rear end of the base.

[0009] Preferably, the positioning bolt is vertically aligned with the base, and a plastic sheet is fixedly installed at the bottom end of the positioning bolt.

[0010] Preferably, the inside of the accumulation cavity is hollow, and a filling opening is formed at the top rear end of the accumulation cavity.

[0011] Preferably, the nozzle, the connecting pipe and the accumulation cavity are interconnected.

[0012] Compared with the prior art, the device has the following beneficial effects:

[0013] When the device is used, the pipe workpiece can be clamped through the clamp, and the pipe workpiece can be circularly rotated on the top end of the base through the support disc. When the positioning bolt is screwed, the support disc can be limited, and the displacement bracket can drive the nozzle to move up and down through the forward and reverse rotation of the threaded rod driven by the driving motor, so that the pipe workpiece can be sprayed with the probe agent at different areas on the surface of the pipe workpiece while rotating, and the spraying work of the long tubular workpiece can be completed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a schematic view of the main structure of the device;

[0015] Fig. 2 It is a schematic view of the guiding device structure of the device;

[0016] Fig. 3 It is a schematic view of the support device structure of the device.

[0017] In the figure: 1-guiding device, 2-support device, 3-base, 4-pipe workpiece, 5-positioning bolt, 6-clamp, 7-support disc, 8-nozzle, 9-support frame, 10-vertical rod, 11-threaded rod, 12-driving motor, 13-accumulation cavity, 14-connecting pipe, 15-displacement bracket. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0019] Please refer to Figs. 1-3 The utility model provides an embodiment: a kind of colored penetration flaw detection agent spraying device, support device 2 is fixedly installed in the rear end of base 3, guiding device 1 is rotatably installed in the top end inside of base 3, pipeline workpiece 4 is placed in the top end of guiding device 1, support device 2 includes nozzle 8, support frame 9, vertical rod 10, threaded rod 11, drive motor 12, accumulation cavity 13, connecting pipe 14 and displacement bracket 15, drive motor 12 is fixedly installed in the bottom end center of support frame 9, threaded rod 11 is fixedly installed in the top end center of drive motor 12, vertical rod 10 is fixedly installed in the inside both sides of support frame 9, displacement bracket 15 is slidably sleeved on vertical rod 10, nozzle 8 is fixedly installed in the front end center of displacement bracket 15, accumulation cavity 13 is fixedly installed in the rear end bottom of support frame 9, connecting pipe 14 is fixedly installed between nozzle 8 and accumulation cavity 13.

[0020] Guiding device 1 includes positioning bolt 5, clamp 6 and support disc 7, clamp 6 is fixedly installed in the top end of support disc 7, positioning bolt 5 is threadedly inserted in the top outer circle of support disc 7, rotating groove is formed in the top end of base 3, so that support disc 7 can be installed and arranged in the top end inside of base 3.

[0021] Support disc 7 is rotatably installed in the top end of base 3, support frame 9 is fixedly installed in the rear end of base 3, and accumulation cavity 13 can be supported to work.

[0022] Positioning bolt 5 is vertically aligned with base 3, and a plastic sheet is fixedly installed at the bottom end of positioning bolt 5, to improve the friction between positioning bolt 5 and base 3.

[0023] Accumulation cavity 13 is hollow inside, and a filling port is formed in the top rear end of accumulation cavity 13, so that the flaw detection agent can be filled into the inside of accumulation cavity 13.

[0024] Nozzle 8, connecting pipe 14 and accumulation cavity 13 are interconnected, and the flaw detection agent can be sprayed out of nozzle 8.

[0025] Working principle: in use, the pipe workpiece 4 can be placed on the top end of the support disc 7, and then the clamp 6 is started, so that the clamp 6 can limit and position the pipe workpiece 4, at this time, the support disc 7 can be rotated to drive the area of the pipe workpiece 4 that needs to be sprayed to be aligned with the nozzle 8, and then the positioning bolt 5 is screwed and rotated until the plastic sheet at the bottom end of the positioning bolt 5 is fastened with the base 3, so that the support disc 7 can be limited and positioned to prevent the support disc 7 from rotating again, and the positioning work of the support disc 7 is completed, then the driving motor 12 can be started to drive the threaded rod 11 to rotate clockwise, and the displacement bracket 15 is screwed on the threaded rod 11, so that when the threaded rod 11 rotates clockwise, the displacement bracket 15 can drive the nozzle 8 to move downward, and the two ends of the displacement bracket 15 are slidingly connected with the vertical rod 10, so that the displacement bracket 15 can move along a straight line, when the nozzle 8 moves, the nozzle 8 can be opened, so that the nozzle 8 can absorb the flaw detection agent in the accumulation cavity 13 and spray it outward to the surface of the pipe workpiece 4, and the work of spraying the flaw detection agent on the pipe workpiece 4 is completed, and the driving motor 12 is started to drive the threaded rod 11 to rotate clockwise or counterclockwise, so that the displacement bracket 15 can drive the nozzle 8 to move up and down, so that the nozzle 8 can spray the flaw detection agent on different areas of the pipe workpiece 4, and the work of spraying the flaw detection agent on the pipe workpiece 4 is completed, and when the device is used, the support disc 7 is rotated to drive different areas of the pipe workpiece 4 to be aligned with the nozzle 8, and the threaded rod 11 is rotated forward and backward to drive the nozzle 8 to move up and down, so that different areas on the outer circle of the pipe workpiece 4 can be sprayed, so that the flaw detection agent can be uniformly sprayed on the outer surface of the pipe workpiece 4, and the work is completed.

[0026] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A dye penetrant spraying device, comprising a base (3), a support device (2) fixedly installed at the rear end of the base (3), a guide device (1) rotatably installed inside the top end of the base (3), and a pipe workpiece (4) placed at the top end of the guide device (1), characterized in that: The supporting device (2) comprises a nozzle (8), a supporting frame (9), a vertical rod (10), a threaded rod (11), a driving motor (12), an accumulation cavity (13), a connecting pipe (14) and a displacement support (15), the driving motor (12) is fixedly installed at the bottom end center of the supporting frame (9), the threaded rod (11) is fixedly installed at the top end center of the driving motor (12), the vertical rod (10) is fixedly installed at the inside of the supporting frame (9), the displacement support (15) is slidingly sleeved on the vertical rod (10), the nozzle (8) is fixedly installed at the front end center of the displacement support (15), the accumulation cavity (13) is fixedly installed at the rear end bottom of the supporting frame (9), and the connecting pipe (14) is symmetrically fixedly installed between the nozzle (8) and the accumulation cavity (13).

2. A dye penetrant inspection agent spraying device according to claim 1, characterized in that: The guiding device (1) comprises a positioning bolt (5), a clamp (6) and a supporting disc (7), the clamp (6) is fixedly installed at the top end of the supporting disc (7), and the positioning bolt (5) is threadedly inserted into the top outer circle of the supporting disc (7).

3. A dye penetrant inspection agent spraying device according to claim 2, wherein: The supporting disc (7) is rotationally installed at the top end of the base (3), and the supporting frame (9) is fixedly installed at the rear end of the base (3).

4. A dye penetrant spray apparatus as claimed in claim 3, wherein: The positioning bolt (5) is vertically aligned with the base (3), and a plastic sheet is fixedly installed at the bottom end of the positioning bolt (5).

5. A dye penetrant spray apparatus as claimed in claim 4, wherein: The inside of the accumulation cavity (13) is in a hollow state, and a filling opening is formed at the top rear end of the accumulation cavity (13).

6. A dye penetrant spray apparatus as claimed in claim 5, wherein: The nozzle (8), the connecting pipe (14) and the accumulation cavity (13) are in communication.

Citation Information

Patent Citations

  • Dye penetrant inspection spraying device for sealing element

    CN211275070U