CN211478099U

CN211478099U - Darkroom for fluorescent liquid penetration flaw detection

Info

Publication number: CN211478099U
Application number: CN201922292572.2U
Authority: CN
Inventors: 张亚楠
Original assignee: Shanghai Xingdao Forging Co ltd
Current assignee: Shanghai Xingdao Forging Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-11
Anticipated expiration: 2029-12-18

Abstract

The utility model relates to a fluorescent liquid penetrant inspection uses darkroom, including defectoscope, support frame and lens hood, the lens hood is including fixing wall cloth and sliding connection on the support frame are in be used as the curtain cloth of workman's access & exit shading on the support frame, the curtain cloth with be provided with sealed shading subassembly between the wall cloth. The utility model discloses have the convenient effect of darkroom business turn over, the shading performance of darkroom is better simultaneously, can build better fluorescence flaw detection environment.

Description

Darkroom for fluorescent liquid penetration flaw detection

Technical Field

The utility model belongs to the technical field of the work piece detects technique and specifically relates to a darkroom is used in fluorescent liquid penetrant inspection.

Background

Current flaw detectors are used to show surface and internal defects of material-machined parts and welds to assess the quality of the article.

The existing fluorescent liquid penetration flaw detector for detecting the surface cracks of the forged piece is characterized in that fluorescent liquid is attached to the surface of a workpiece, the workpiece attached with the fluorescent liquid is placed in a dark environment and is irradiated and observed by a special fluorescent lamp, and obvious fluorescent lines can be displayed under the fluorescent lamp if cracks exist on the surface of the workpiece. Fluorescent liquid penetrant inspection this inspection method uses penetrant containing fluorescent substance, and penetrant liquid remaining in the defect after cleaning is absorbed by developer. Irradiating with ultraviolet light source to make the fluorescent substance generate visible light with longer wavelength, observing the irradiated workpiece surface in dark room, and determining the size, position and shape of the defect by the displayed fluorescent image.

For building better no light environment, light-resistant structures such as darkroom need to be used, chinese patent with patent publication number CN201107544 discloses a portable darkroom, including the lens hood cladding in the outside of frame, be equipped with the gate on the lens hood, in the gate of door setting on the lens hood, be equipped with the zip fastener between door and the lens hood, the frame is collapsible form.

The above prior art solutions have the following drawbacks: the light shield is coated on the frame for use, the zipper is required to be unzipped before entering or checking the darkroom, the operation is inconvenient, and obvious light can be formed between the chains of the zipper or a larger gap is formed between the chains of the zipper to influence the normal observation, so that improvement is required.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, one of the purposes of the utility model is to provide a dustproof fluorescent liquid infiltration of keeping out of the sun is detected a flaw and is used darkroom, has the convenience of business turn over, the better advantage of light-proof effect.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a fluorescent solution is darkroom for penetrant inspection, includes support frame and lens hood, the lens hood is including fixing wall cloth and sliding connection on the support frame are in be used as the curtain cloth of workman's access & exit shading on the support frame, the curtain cloth with be provided with sealed shading subassembly between the wall cloth.

By adopting the technical scheme, the sliding opening and closing mode is simpler than the zipper opening and closing mode in operation; through sealed shading subassembly, can prevent that external light from getting into in the darkroom from the gap of curtain cloth and wall cloth.

The present invention may be further configured in a preferred embodiment as: the contact area part of wall cloth and curtain cloth overlaps.

Through adopting above-mentioned technical scheme, can prevent external light's direct entering to a certain extent, improve the light-shielding performance of lens hood.

The present invention may be further configured in a preferred embodiment as: the sealing shading assembly comprises a shading strip used for shading a gap between the curtain cloth and the wall cloth and a sealing element used for enabling the overlapped part of the curtain cloth and the wall cloth to be tightly attached.

Through adopting above-mentioned technical scheme, seal or shelter from the connecting gap between wall cloth and the curtain cloth, prevent the entering of external light, promote the shading performance of darkroom.

The present invention may be further configured in a preferred embodiment as: the shading strip is a long-strip-shaped shading cloth fixed on the supporting frame;

the sealing member includes magnet strip and ferromagnetic stand, the magnet strip is fixed the border region of curtain cloth, the stand is fixed on the support frame and with the marginal part parallel and level of wall cloth.

The present invention may be further configured in a preferred embodiment as: the curtain cloth is positioned between the shading strip and the wall cloth, and the length of the shading strip is longer than the length of the side edge of the curtain cloth at the installation position of the shading strip;

the magnet strips are wrapped in the cord fabric, and the wall fabric wraps the stand columns.

Through adopting above-mentioned technical scheme, the fixed magnet strip, under the suction effect of magnet strip and stand, the edge of curtain cloth and wall cloth is closely laminated, prevents effectively that the pipeline from passing through the hole and getting into the darkroom, influences the environment in the darkroom.

The present invention may be further configured in a preferred embodiment as: the curtain cloth fixing device is characterized in that a cross rod is fixed on one side, close to the curtain cloth, of the support frame, and a plurality of fixing pieces which axially slide along the cross rod and are used for fixing the curtain cloth are installed on the cross rod.

By adopting the technical scheme, the curtain cloth can slide on the cross rod to fold and unfold the curtain cloth, and the curtain cloth is very convenient to open and close.

The present invention may be further configured in a preferred embodiment as: the curtain cloth is characterized in that the cross rod is a cylindrical rod, the fixing piece is a hanging ring sleeved on the cross rod, hanging holes for the fixing piece to penetrate through are formed in the curtain cloth, and the hanging holes are formed in a linear array along the sideline direction of the curtain cloth.

Through adopting above-mentioned technical scheme, cylindric horizontal pole cooperatees with the mounting of ring type, can make the switch of curtain cloth comparatively smooth and easy.

The present invention may be further configured in a preferred embodiment as: and a ventilation opening is formed in one side of the wall cloth, and an exhaust fan fixed on the support frame is arranged at the ventilation opening.

Through adopting above-mentioned technical scheme, change the air in the darkroom, optimize workman's operational environment.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the blind window is installed in a sliding manner, so that workers can conveniently go in and out of the darkroom, and meanwhile, the gap between the curtain and the wall cloth is shielded and sealed by arranging the shading sealing assembly, so that the integral shading effect of the darkroom is guaranteed, meanwhile, the shading cover can also play a good dustproof effect, and the interference of dust falling in a workpiece or fluorescent liquid to flaw detection work is avoided;

2. the exhaust fan is arranged on the darkroom, so that the exchange of air inside and outside the darkroom can be accelerated, the peculiar smell generated by the fluorescent liquid in the darkroom is reduced, and the working environment of workers is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view (hidden light shield) of the present invention;

FIG. 3 is an enlarged schematic view of area A of FIG. 2;

FIG. 4 is a schematic view of the sealing area of the shade strip on the upper side of the curtain;

fig. 5 is a schematic structural diagram of magnet fast sealing areas on two sides of the curtain cloth.

Reference numerals: 1. a light shield; 11. wall cloth; 111. a vent; 12. a cord fabric; 13. a balancing weight; 14. a shading strip; 2. a flaw detector; 3. a support frame; 31. a support frame; 32. a support pillar; 33. a cross bar; 34. a column; 4. an exhaust fan; 1112. a magnet bar; 3312. a lifting ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a darkroom for fluorescent liquid penetrant inspection, including CDG-2000 type-microcomputer control fluorescent magnetic particle inspection machine 2 and cover establish and be used for sheltering from the lens hood 1 of light above defectoscope 2, the main part of lens hood 1 is wall cloth 11 that the shading cloth made, and wall cloth 11 one side is cut out the opening of rectangle, installs the curtain cloth 12 that can open and shut in the opening.

Referring to fig. 1 and 2, a support frame 3 is welded and fixed above the flaw detector 2, the support frame 3 comprises a rectangular stainless steel support frame 31 horizontally arranged above the flaw detector 2, the support frame 31 is connected with the flaw detector 2 through four stainless steel support columns 32, and two ends of a stand column 34 are respectively welded and fixed on the support frame 31 and the flaw detector 2; the wall cloth 11 is covered on the support frame 31.

Referring to fig. 2, upright posts 34 vertically welded on the supporting frame 31 are arranged on both sides of the curtain cloth 12, a cylindrical cross bar 33 is arranged at a position on the lower end surface of the supporting frame 31 close to the curtain cloth 12, the cross bar 33 is welded and fixed between the two upright posts 34, referring to fig. 3, a plurality of oval lifting rings 3312 are sleeved on the cross bar 33, one end of each lifting ring 3312 far away from the cross bar 33 penetrates through the curtain cloth 12 to be fixed, and the curtain cloth 12 is pulled to change the distance between the lifting rings 3312 so as to open and close the curtain cloth; the upper end of the curtain cloth 12 is partially overlapped with the wall cloth 11, and the wall cloth 11 and the curtain cloth 12 at the gap position are in double shading, so that the shading effect is enhanced.

Referring to fig. 4, a shade strip 14 is arranged on one side of the curtain cloth 12 far from the wall cloth 11, the length of the shade strip 14 is the same as the length of the curtain cloth 12 after being flattened, the shade strip 14 is sewn on the wall cloth 11, the shade strip 14 is overlapped with the upper end portion of the curtain cloth 12, and the shade strip 14 can find out and block light rays injected from a gap between the wall cloth 11 and the curtain cloth 12, so that the shading effect is optimized.

Referring to fig. 2 and 5, the columns 34 on both sides of the curtain cloth 12 are ferromagnetic cylinders, the periphery of the columns 34 is wrapped by the wall cloth 11, the rectangular plate-shaped magnet bars 1112 are fixed on both sides of the curtain cloth 12 in a wrapping manner, and the both sides of the curtain cloth 12 are tightly attached to the wall cloth 11 by the absorption force between the magnet bars 1112 and the columns 34, so as to further improve the shading effect.

Referring to fig. 1 and 2, an exhaust fan 4 is fixed above the supporting frame 31 to accelerate air exchange between the inside and the outside of the darkroom, reduce odor in the darkroom, and improve working environment of workers; the wall cloth 11 is provided with a vent 111 corresponding to the exhaust fan 4, and the contact edges of the wall cloth 11 and the exhaust fan 4 are all stuck and fixed on the exhaust fan 4, so that gap light leakage is reduced.

The ground ends of the wall cloth 11 and the curtain cloth 12 are wrapped by the balancing weight 13, so that the wall cloth 11 or the curtain cloth 12 is prevented from floating due to factors such as collision, wind power and the like to influence workpiece detection.

The implementation principle of the embodiment is as follows: the sunshade 1 is divided into two parts of wall cloth 11 and curtain cloth 12, and the curtain cloth 12 is hung by using a hanging ring 3312 to form an easily opened and closed sunshade door structure, so that workers can conveniently go in and out; the shading performance of the whole darkroom is improved by arranging the overlapping area between the wall cloth 11 and the curtain cloth 12, and the overlapping part of the wall cloth 11 and the curtain cloth 12 can be further sealed by arranging the shading strip 14 and the magnet strip 1112 when the curtain cloth 12 is closed, so that the gap light leakage is effectively reduced, and the shading effect of the darkroom is effectively ensured.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a fluorescent liquid penetrant inspection uses darkroom, includes defectoscope (2), support frame (3) and lens hood (1), its characterized in that: the light shield (1) comprises wall cloth (11) fixed on the support frame (3) and curtain cloth (12) which is connected to the support frame (3) in a sliding mode and used for shielding light of a worker entrance, wherein a sealing light shielding assembly is arranged between the curtain cloth (12) and the wall cloth (11).

2. The darkroom for fluorescent liquid penetrant inspection according to claim 1, wherein: the wall cloth (11) is partially overlapped with the contact area of the curtain cloth (12).

3. The darkroom for fluorescent liquid penetrant inspection according to claim 2, wherein: the sealing shading assembly comprises a shading strip (14) used for shading a gap between the curtain cloth (12) and the wall cloth (11) and a sealing element used for enabling the curtain cloth (12) to be tightly attached to the overlapped part of the wall cloth (11).

4. The darkroom for fluorescent liquid penetrant inspection according to claim 3, wherein: the shading strip (14) is a long strip-shaped shading cloth fixed on the support frame (3);

the sealing element comprises a magnet strip (1112) and a ferromagnetic column (34), the magnet strip 1112 is fixed on the edge area of the curtain cloth (12), and the column (34) is fixed on the support frame (3) and is flush with the edge part of the wall cloth (11).

5. The darkroom for fluorescent liquid penetrant inspection according to claim 4, wherein: the curtain cloth (12) is positioned between the shading strip (14) and the wall cloth (11), and the length of the shading strip (14) is longer than the length of the side edge of the curtain cloth (12) at the installation position;

the magnet strips (1112) are wrapped in the cord fabric (12), and the wall fabric (11) wraps the upright posts (34).

6. The darkroom for fluorescent liquid penetrant inspection according to claim 1, wherein: a cross rod (33) is fixed on one side, close to the curtain cloth (12), of the support frame (3), and a plurality of fixing pieces which slide axially along the cross rod (33) and are used for fixing the curtain cloth (12) are installed on the cross rod (33).

7. The darkroom for fluorescent liquid penetrant inspection of claim 6, wherein: the curtain cloth is characterized in that the cross rod (33) is a cylindrical rod, the fixing piece is a hanging ring (3312) sleeved on the cross rod (33), hanging holes for the fixing piece to penetrate through are formed in the curtain cloth (12), and the hanging holes are formed in a linear array along the sideline direction of the curtain cloth (12).

8. The darkroom for fluorescent liquid penetrant inspection according to claim 1, wherein: vent (111) have been seted up to one side of wall paper (11), exhaust fan (4) that vent (111) department was provided with, exhaust fan (4) are fixed on support frame (3).