CN110018112B

CN110018112B - Salt spray testing machine

Info

Publication number: CN110018112B
Application number: CN201910422397.6A
Authority: CN
Inventors: 韦中军
Original assignee: Jiangsu Chinese Technology Technology Service Co ltd
Current assignee: Jiangsu Chinese Technology Technology Service Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2021-12-24
Anticipated expiration: 2039-05-21
Also published as: CN110018112A

Abstract

The invention discloses a salt spray testing machine, which is applied to the field of part detection and solves the technical problem of unreliable data detection caused by insufficient environmental simulation in the existing testing process And (5) fruit.

Description

Salt spray testing machine

Technical Field

The invention relates to the field of detection equipment, in particular to a salt spray testing machine.

Background

Salt spray corrosion is common destructive atmospheric corrosion, and sodium chloride is a main component and can cause passivation damage to the surface of parts. The existing production technology simulates the severe environment of the part work through a salt spray testing machine, and the corrosion resistance reliability of the part is tested by adopting the change of condition factors in a small range.

The existing salt spray testing machine comprises a salt spray spraying system in a machine body to perform full contact reaction on parts, so that the anti-durability strength of the parts is detected. However, the interior of the existing salt spray testing machine cannot fully simulate comprehensive condition factors in the working process of parts as much as possible, such as corrosion resistance and the like of the parts in a motion state, so that finally detected performance parameters of the parts have deviation.

Disclosure of Invention

The invention aims to provide a salt spray testing machine which has the advantages that the motion state of parts can be simulated in the salt spray testing process of the parts, and therefore the reliability of testing data is improved.

The technical purpose of the invention is realized by the following technical scheme: a salt fog testing machine comprises a test box body, wherein the test box body comprises a box base, a testing device and a transparent flip cover, the testing device is arranged in the middle of the box base and comprises a salt fog spraying device and a part clamping device, the part clamping device comprises at least two groups of rotating devices and a limiting frame clamped in the middle of a plurality of groups of rotating devices, the rotating devices comprise driving assemblies and positioning assemblies which are respectively arranged on opposite side walls of the box base, each driving assembly comprises a driving motor fixed with the side wall of the box base and a hydraulic telescopic rod fixed with a driving rod of the driving motor, each positioning assembly comprises a rotating base and a hydraulic movable rod which are rotatably connected with the side wall of the box base, the hydraulic movable rods and the central line of the hydraulic telescopic rod are positioned at the same position, and the limiting frame comprises a plurality of supporting pieces and a connecting piece for connecting adjacent supporting pieces, the connecting piece is in threaded connection with a locking rod, the supporting piece is parallel to the side wall of the box body, and one side, close to the side wall of the box body of the test box, of the supporting piece is provided with a limiting groove for the abutting fit of the hydraulic telescopic rod and one end of the hydraulic movable rod.

Preferably, the end of the hydraulic telescopic rod, the hydraulic movable rod and the limit groove are matched is polygonal.

Preferably, one end of the locking rod, which is abutted against the part, is provided with a bearing sheet.

Preferably, the surface of the supporting sheet is provided with a flexible protective layer.

Preferably, one end of the rotating seat, which is positioned outside the side wall of the box seat, is provided with a rotating handle.

Preferably, the salt spray spraying device comprises a salt spray generator arranged at the bottom of the box base and a turbulence generator arranged on the side wall of the box base.

Preferably, transparent flip rotates with the case seat to be connected, the one end that transparent flip contradicts with the case seat is equipped with the lug, the case seat is equipped with lug complex recess with the one end that transparent flip contradicts.

Preferably, the transparent flip cover is further provided with an induction feedback device.

Preferably, the bottom of the box base is provided with a recovery notch.

Preferably, the box body of the test box is provided with a corrosion-resistant layer.

Compared with the prior art, the invention has the advantages that the detection personnel can firstly press and limit the parts to be detected with different shapes and specifications through the arrangement of the limiting frame, the arrangement of the plurality of groups of locking rods can realize stable extrusion from a plurality of directions of the parts to be detected, and the movement problem of the parts to be detected which possibly occurs under the existing detection condition is reduced; after the limit of the to-be-detected piece is completed, a detector manually puts a part clamping device bearing the to-be-detected piece into a box seat, then circumferentially fixes a limit frame through the arrangement of a plurality of groups of rotating devices, a hydraulic telescopic rod and a hydraulic movable rod in one group of rotating devices can be used for carrying out abutting extrusion on a pair of side wall parts corresponding to the limit frame, hydraulic pushing can keep a sufficient and reliable pushing force, the limit frame and the detection piece can rotate under the driving of a driving motor, salt mist spraying is realized through the action of a salt mist generator, after the test of one group of rotating devices is completed, the detector can switch another group of rotating devices for testing in a state of not opening a transparent flip cover, the rotation of the hydraulic movable rod part in the switching process can be realized through the rotation adjustment of a rotating handle, so that the hydraulic movable rod part can be matched with a limit groove, and the test can be carried out after the final switching is completed, the large-range motion test of the whole piece to be tested can be finally realized by sequentially replacing other groups of conversion devices, and the most sufficient test environment factors are kept, so that reliable test data are finally tested.

Drawings

FIG. 1 is a schematic view for showing the structure inside the box base of the salt spray tester in the embodiment;

FIG. 2 is a schematic structural view for showing a position limiting frame portion in the embodiment;

FIG. 3 is a schematic view for showing the position of a flexible protective layer in the embodiment;

FIG. 4 is a schematic view for revealing the structure of the corrosion-resistant layer in the embodiment.

Reference numerals: 1. a test chamber body; 11. a box base; 12. a testing device; 121. a salt spray spraying device; 13. a transparent flip cover; 131. a bump; 132. a groove; 2. a rotating device; 21. a drive assembly; 211. a drive motor; 212. a hydraulic telescopic rod; 22. a positioning assembly; 221. a rotating seat; 222. a hydraulic movable rod; 3. a limiting frame; 31. a support sheet; 32. Connecting sheets; 321. a locking lever; 4. a limiting groove; 5. a support sheet; 51. a flexible protective layer; 6. rotating the handle; 7. a salt mist generator; 71. a turbulence generator; 8. an inductive feedback device; 9. a recovery notch; 10. a corrosion resistant layer.

Detailed Description

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

Example (b): the utility model provides a salt spray testing machine, as shown in figure 1, including proof box 1, proof box 1 has included box seat 11, testing arrangement 12 and transparent flip 13, rotate between transparent case lid and the box seat 11 and be connected, can realize stable operation that opens and shuts, transparent material also is favorable to the testing arrangement 12 of testing personnel to the box seat 11 inside to carry out the work observation simultaneously, still be equipped with response feedback device 8 on transparent flip 13 simultaneously, can in time feed back the inside environmental parameter data of box seat 11 to the testing personnel, supplementary testing personnel carry out accurate grasp and adjustment to the state in the box seat 11.

As shown in fig. 1 and 2, the middle part of the box base 11 is provided with the test device 12, which comprises the salt spray spraying device 121 and the part clamping device, so that the tester can firstly clamp and limit the part to be tested through the part clamping device, and then the salt spray spraying device 121 can perform the stable detection test. Consider different shapes and models of waiting to examine the piece, this spare part clamping device has included at least two sets of rotating device 2 and centre gripping at the spacing frame 3 in multiunit rotating device 2 middle part, can realize driving the rotation that the piece that awaits measuring carries out a dimension through the work of a set of rotating device 2.

Before detection, a detection person needs to fix the to-be-detected piece into the limiting frame 3. Spacing frame 3 includes a plurality of backing sheets 31 and connects connection piece 32 of adjacent backing sheet 31, backing sheet 31 satisfies parallel with one side lateral wall of box wherein, threaded connection has check lock lever 321 on connection piece 32, the measurement personnel only need place the middle part of check lock lever 321 in with the piece that awaits measuring, rotation through a plurality of check lock levers 321 realizes the conflict locking of middle part piece that awaits measuring, one end of contradicting at check lock lever 321 and the piece that awaits measuring still is equipped with bearing piece 5, bearing piece 5 can realize the bearing spacing to the piece that awaits measuring of pressing from both sides the dress in-process, reduce the relative dislocation that probably exists between piece that awaits measuring and the check lock lever 321, guarantee ultimate locking effect. Meanwhile, the surface of the bearing sheet 5 is provided with the flexible protective layer 51 (as shown in fig. 3), so that the surface of the piece to be tested can be protected on the premise of ensuring sufficient and stable extrusion limiting effect, and the surface quality of the piece to be tested is reduced due to the existence of indentations and the like.

After the clamping of the piece to be detected and the limiting frame 3 is finished, the detection personnel place the whole limiting frame 3 part in the box seat 11 and carry out fixing and motion simulation through the rotating device 2. The rotating device 2 comprises a driving assembly 21 and a positioning assembly 22 which are respectively arranged on opposite side walls of the box base 11, the driving assembly 21 comprises a driving motor 211 fixed with the side walls of the box base 11 and a hydraulic telescopic rod 212 fixed with a driving rod of the driving motor 211, and the positioning assembly 22 comprises a rotating base 221 and a hydraulic movable rod 222 which are rotatably connected with the side walls of the box base 11, and the center lines of the hydraulic movable rod 222 and the hydraulic telescopic rod 212 are located at the same position.

The detection personnel can carry out the fixed spacing of spacing frame 3 through arbitrary a set of rotating device 2, and hydraulic telescoping rod 212 can realize flexible the regulation at same straight line with hydraulic movable rod 222, realizes putting spacing 11 central points with the whole centre gripping of spacing frame 3, and the rotation of spacing frame 3 is driven in the work of rethread driving motor 211 to the realization is in the motion simulation of a dimension. Considering that relative movement may occur between the limiting frame 3 and the hydraulic telescopic rod 212 and the hydraulic movable rod 222, a limiting groove 4 for abutting and matching one end of the hydraulic telescopic rod 212 and one end of the hydraulic movable rod 222 is arranged on one side of the supporting sheet 31 close to the side wall of the box body, and one end of the hydraulic telescopic rod 212, the hydraulic movable rod 222 and the limiting groove 4 are matched is polygonal, so that sufficient extrusion locking is guaranteed, the follow-up rotation effect of the limiting frame 3 and the driving motor 211 is improved, and the phenomenon of relative rotation is reduced.

As shown in fig. 1 and 2, when the inspector needs to change another motion state, the inspector only needs to select another set of rotating device 2, and first, the hydraulic movable rod 222 extends to abut against the supporting piece 31 of the limiting frame 3, considering the possible unsmooth insertion between the hydraulic movable rod 222 and one end of the limiting groove 4, a rotating handle 6 is arranged at one end of the rotating seat 221, which is positioned outside the side wall of the box seat 11, so that a tester can drive the hydraulic movable rod 222 to adjust through the adjustment of the rotating handle 6, the polygonal end part at one end of the hydraulic movable rod 222 is matched with the notch of the limit groove 4, and finally continues to extend to realize stable abutting, meanwhile, the hydraulic telescopic rod 212 in the group of rotating devices 2 extends to be matched with the hydraulic movable rod 222 to fully limit the limiting frame 3, the limiting relation of the previous group of rotating devices 2 can be removed through testing, and the rotation of a new dimension can be realized under the action of the driving motor 211. The operation is performed in sequence, so that simulation of different motion states of the to-be-detected piece by detection personnel can be met, and the collection of final reliable data is realized.

In the whole movement process of the piece to be measured, the salt spray environment needs to be met. Salt fog sprinkler 121 has included setting up in salt fog generator 7 of case seat 11 bottom and setting up in the indiscriminate stream generator 71 on case seat 11 lateral wall, and salt fog generator 7 can carry out the spraying of salt fog to in the case seat 11, and the indiscriminate stream generator 71 of lateral part can change the salt fog density in the case seat 11 simultaneously, simulates out complicated environmental factor. Considering that the salt spray test needs to satisfy sufficient airtight conditions, the stability of the test is ensured while the environmental pollution is reduced, a convex block 131 is arranged at one end of the transparent flip 13 abutting against the box base 11, a groove 132 matched with the convex block 131 is arranged at one end of the box base 11 abutting against the transparent flip 13, the airtight conditions of the whole box base 11 part can be ensured by the matching of the convex block 131 and the groove 132, and the interaction between the outside and the internal environmental factors is reduced. And meanwhile, the corrosion-resistant layers 10 are arranged on the test box body 1 (as shown in fig. 4), so that the durability and reliability of the whole salt spray testing machine can be improved, and the influence on the test caused by serious aging can be reduced.

The bottom of the box base 11 is provided with the recovery notch 9, salt mist water stain generated after the test is finished is discharged from the recovery notch 9, and the bottom of the box base 11 is funnel-shaped, so that the rapid collection of test liquid is facilitated, and the requirement of equipment factors for subsequent tests is facilitated.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The salt spray testing machine comprises a testing box body (1) and is characterized in that: the test box body (1) comprises a box base (11), a test device (12) and a transparent turnover cover (13), the test device (12) is arranged in the middle of the box base (11), the test device (12) comprises a salt spray spraying device (121) and a part clamping device, the part clamping device comprises at least two groups of rotating devices (2) and a limiting frame (3) clamped in the middle of the multiple groups of rotating devices (2), the rotating devices (2) comprise driving assemblies (21) and positioning assemblies (22) which are respectively arranged on opposite side walls of the box base (11), each driving assembly (21) comprises a driving motor (211) fixed to the side wall of the box base (11) and a hydraulic telescopic rod (212) fixed to a driving rod of the driving motor (211), and each positioning assembly (22) comprises a rotating base (221) and a hydraulic movable rod (222) which are rotatably connected with the side wall of the box base (11), hydraulic pressure movable rod (222) and hydraulic telescoping rod (212) central line are in the same position, it is equipped with rotation handle (6) to rotate the outer one end that seat (221) is located case seat (11) lateral wall, spacing frame (3) are including connection piece (32) of a plurality of backing sheets (31) and connection adjacent backing sheet (31), threaded connection has check lock lever (321) on connection piece (32), backing sheet (31) are parallel with the lateral wall of box, one side that backing sheet (31) are close to test box (1) lateral wall is equipped with and supports liquid pressure telescopic rod (212) and hydraulic movable rod (222) one end conflict complex spacing groove (4).

2. The salt spray tester of claim 1, wherein: one end of the hydraulic telescopic rod (212), one end of the hydraulic movable rod (222) and one end of the limiting groove (4) are matched and are polygonal.

3. The salt spray tester of claim 1, wherein: and a bearing sheet (5) is arranged at one end of the locking rod (321) abutting against the part.

4. The salt spray tester of claim 3, wherein: the surface of the bearing sheet (5) is provided with a flexible protective layer (51).

5. The salt spray tester of claim 1, wherein: the salt spray spraying device (121) comprises a salt spray generator (7) arranged at the bottom of the box seat (11) and a turbulence generator (71) arranged on the side wall of the box seat (11).

6. The salt spray tester of claim 1, wherein: transparent flip (13) and case seat (11) rotate to be connected, transparent flip (13) is equipped with lug (131) with the one end that case seat (11) contradicted, case seat (11) is equipped with lug (131) complex recess (132) with the one end that transparent flip (13) contradicted.

7. The salt spray tester of claim 1, wherein: and the transparent flip cover (13) is also provided with an induction feedback device (8).

8. The salt spray tester of claim 1, wherein: and a recovery notch (9) is formed in the bottom of the box seat (11).

9. The salt spray tester of claim 1, wherein: and the box body (1) of the test box is provided with corrosion resistant layers (10).