CN219369439U

CN219369439U - Metal coating bending test tool

Info

Publication number: CN219369439U
Application number: CN202320220852.6U
Authority: CN
Inventors: 梁现剑; 雷波; 曾俊文
Original assignee: Chengdu Ald Aviation Manufacturing Corp
Current assignee: Chengdu Ald Aviation Manufacturing Corp
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-07-18
Anticipated expiration: 2033-02-15

Abstract

The utility model relates to a metal coating bending test tool which comprises a clamping plate group, a clamping block A and a clamping block B, wherein the clamping plate group comprises two clamping plates, one ends of the two clamping plates are connected through a shaft pin in a rotating way, the clamping block A and the clamping block B are respectively fixed at one ends of the two clamping plates close to the shaft pin, clamping slits are respectively arranged on the clamping block A and the clamping block B along the length direction of the clamping plates, the planes of the two clamping slits are coplanar and perpendicular to the plate surfaces of the clamping plates, and when the two clamping plates rotate to be perpendicular to each other, the clamping block A and the clamping block B are propped against each other and the planes of the two clamping slits are perpendicular to each other. The utility model has the advantages that: the method can avoid the falling of the fracture notch plating layer caused by artificial factors in the test process, thereby affecting the accuracy of the test result, and the whole structure is convenient to install and easy to operate.

Description

Metal coating bending test tool

Technical Field

The utility model belongs to the technical field of quality detection of aviation parts, and particularly relates to a metal coating bending test tool.

Background

The domestic requirement for the binding force test of the metal coating in the special process is that the test of the metal coating meets the ASTM B571 standard, but no special test tool is provided in the special process standard and the coating binding force test standard file.

In the corresponding prior art application, different test tools are used for executing different plating bending tests, and bench vice tools, chisels or manual bending and other modes are generally adopted, but in the actual operation process, because the plating bending test tools cannot guarantee the consistency of operation, the test links are often incorrect to influence the bonding force performance of the plating, the artificial factors in the test operation process have larger influence, the manual bending is not easy to bend the sample in place, the plating at a fracture port is easy to fall off, the analysis and investigation of the reasons for testing disqualification are difficult, and finally the accuracy of the test results is influenced, so that the risk of the production quality control failure of aviation parts is caused.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a metal coating bending test tool which can prevent a broken notch coating from falling off due to artificial factors in the test process, thereby influencing the accuracy of a test result, and is convenient to install and easy to operate in the whole structure.

The aim of the utility model is achieved by the following technical scheme:

the utility model provides a crooked test tool of metal coating, includes splint group, clamp splice A and clamp splice B, and splint group includes two splint, and pivot rotation is passed through to the one end of two splint is connected, and clamp splice A and clamp splice B are fixed in two splint near pivot one end respectively, all are equipped with the crack along the length direction of splint on clamp splice A and the clamp splice B, and two crack place plane coplanarity and all perpendicular with the face of splint, and clamp splice A offsets and two crack place plane mutually perpendicular with clamp splice B when two splint rotate to mutually perpendicular.

Further, the clamping block A comprises an upper cutting edge block A1 and a lower cutting edge block A2, a first screw rod in threaded connection with the upper cutting edge block A1 and a second screw rod in threaded connection with the lower cutting edge block A2 are arranged on the clamping plate, and a clamping gap is formed between the bottom surface of the upper cutting edge block A1 and the top surface of the lower cutting edge block A2.

Further, the clamp splice B comprises an upper blade block B1 and a lower blade block B2, a first stud in threaded connection with the upper blade block B1 and a second screw in threaded connection with the lower blade block B2 are arranged on the clamping plate, a clamp gap is formed between the bottom surface of the upper blade block B1 and the top surface of the lower blade block B2, the upper blade block B1 is in threaded connection with the lower blade block B2 through the second screw, and a jacking screw is arranged on the upper blade block B1 and extends downwards to the clamp gap.

Further, a waist hole is formed in the upper edge of the clamping plate in the direction perpendicular to the plane where the clamping gap is formed, and a first screw rod penetrates through the waist hole and is connected with the upper cutting edge block A1 and the upper cutting edge block B1.

Further, a round hole is formed in the clamping plate, and a second screw rod penetrates through the round hole and is connected with the lower cutting edge block A2 and the lower cutting edge block B2.

Further, two groups of clamping plates are arranged, clamping plates in the two groups of clamping plates are in one-to-one correspondence, one end, far away from the shaft pin, of each clamping plate is provided with a connecting block, and the two corresponding clamping plates are fixedly connected through the connecting blocks.

The utility model has the following advantages:

1. through the arrangement of the clamping plates, the clamping block A, the clamping block B and the clamping gap, the sample is clamped in the clamping gap, and the two clamping plates are rotated back and forth, so that the sample can be repeatedly bent 180 ^o Until fracture, and then avoid the human factor to lead to breaking the split cladding material to drop and influence the accuracy of test result, overall structure easy dismounting, easy operation.

2. Through the setting of waist hole, can change the distance between upper blade piece A1 and the lower blade piece A2 and go up the distance between blade piece B1 and the lower blade piece B2, and then adjust the width of crack to be applicable to the sample to different thickness and carry out test work, promote the practicality of the crooked test tool of metal coating.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of a clamp block A and a clamp block B according to the present utility model;

FIG. 3 is a schematic view of the structure of the clamping plate according to the present utility model;

fig. 4 is a schematic diagram of the cooperation of the clamping blocks a and B in the present utility model.

In the figure: 1. a clamping block A; 2. a clamping block B; 3. a clamping plate; 4. a shaft pin; 5. a crack; 6. an upper blade block A1; 7. a lower blade block A2; 8. a first screw; 9. a second screw; 10. an upper blade block B1; 11. a lower blade block B2; 12. tightly pushing the screw rod; 13. waist holes; 14. a round hole; 15. and (5) connecting a block.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

Example 1

As shown in FIG. 1, a metal coating bending test tool comprises a clamping plate 3 group, clamping blocks A1 and clamping blocks B2, wherein the clamping plate 3 group comprises two clamping plates 3, one ends of the two clamping plates 3 are rotationally connected through a shaft pin 4, the clamping blocks A1 and the clamping blocks B2 are respectively fixed at one ends of the two clamping plates 3 close to the shaft pin 4, clamping gaps 5 for placing samples and clamping the samples are formed in the clamping blocks A1 and the clamping blocks B2 along the length direction of the clamping plates 3, the planes of the two clamping gaps 5 are coplanar and perpendicular to the plate surface of the clamping plates 3, and when the two clamping plates 3 rotate to be perpendicular to each other, the clamping blocks A1 are propped against the clamping blocks B2 and the planes of the two clamping gaps 5 are perpendicular to each other.

During testing, the two clamping plates 3 are placed flat, the planes of the two clamping gaps 5 are coplanar, then a sample is placed in the clamping gaps 5 of the clamping blocks A1 and B2, then the clamping plates 3 are rotated until the clamping blocks A1 and B2 are propped against each other, at the moment, the planes of the two clamping gaps 5 are perpendicular to each other, and the sample is bent by 90 DEG ^o The clamping plate 3 is reversely rotated to make the clamping block A1 and the clamping block B2 abut against each other again, so that the sample is repeatedly bent 180 ^o Until the sample breaks, the sample is taken out, and the sample is immediately checked visually or under a 20X magnification lens to confirm whether the coating of the sample has the phenomena of peeling, falling off and the like. In the operation process, the clamping block A1 and the clamping block B2 are propped against each other to limit the rotation of the clamping plate 3, so that the sample is bent in place and the repeated bending consistency is ensured.

Specifically, as shown in fig. 2, the clamping block A1 comprises an upper blade block a16 and a lower blade block a27, and the clamping block B2 comprises an upper blade block B110 and a lower blade block B211, wherein a gap 5 on the clamping block A1 is formed between the bottom surface of the upper blade block a16 and the top surface of the lower blade block a27, and a gap 5 on the clamping block B2 is formed between the bottom surface of the upper blade block B110 and the top surface of the lower blade block B211. As shown in fig. 1, the clamping plate 3 is provided with a first screw 8 screwed with the upper blade block a16 and the upper blade block B110, and a second screw 9 screwed with the lower blade block a27 and the lower blade block B211. In addition, the upper blade block B110 is in threaded connection with the lower blade block B211 through the second screw rod 9, the upper blade block B110 is in threaded connection with the tightening screw rod 12, the tightening screw rod 12 extends downwards to the clamping gap 5, the upper blade block B110 is firstly disassembled during testing, one end of a sample is inserted into the lower blade block B211 through the clamping gap 5 on the clamping block A1, then the upper blade block B110 is fixedly installed, and the sample is compressed by tightening the tightening screw.

Preferably, as shown in fig. 3, a waist hole 13 is formed on the clamping plate 3 along the direction perpendicular to the plane where the clamping slot 5 is located, and the first screw rod 8 is arranged on the waist hole 13 in a penetrating manner and is connected with the upper blade block A16 and the upper blade block B110; the clamping plate 3 is also provided with a round hole 14, and the second screw 9 is arranged on the round hole 14 in a penetrating way and is connected with the lower blade block A27 and the lower blade block B211. The upper blade block A16 and the upper blade block B110 can be installed and fixed and detached through the first screw rod 8, the lower blade block A27 and the lower blade block B211 can be installed and fixed and detached through the second screw rod 9, the waist hole 13 is arranged to be convenient for adjusting the distance between the upper blade block A16 and the lower blade block A27 and the distance between the upper blade block B110 and the lower blade block B211, and then the width of the crack 5 is adjusted, so that samples with different thicknesses can be clamped and tested, and the practicability of the tool is improved. In addition, the end of the upper blade block A16 opposite to the upper blade block B110 and the end of the lower blade block A27 and the lower blade block B211 may be provided with V-shaped sharp corners as shown in FIG. 2, so that the specimen is bent 90 ^o In the process, the two V-shaped sharp corners which are abutted against each other are just jointed as shown in fig. 4, so that the rotation of the clamping plate 3 can be limited through the arrangement of the V-shaped sharp corners, the stress pivot range of a sample can be reduced, and bending stress is concentrated near the rotation center of the clamping plate 3, so that the bending effect is improved.

In the testing process, the upper blade block A16, the upper blade block B110, the lower blade block A27 and the lower blade block B211 are convenient and quick to assemble and disassemble, the whole structure is stable after installation, the testing operation is simple, and the breaking notch plating layer can be prevented from falling off due to human factors, so that the accuracy of the testing result is prevented from being influenced.

Example two

As shown in fig. 1, two groups of clamping plates 3 are arranged, clamping plates 3 in the two groups of clamping plates 3 are in one-to-one correspondence, a clamping block A1 and a clamping block B2 are arranged between the two groups of clamping plates 3, one end, far away from a shaft pin 4, of each clamping plate 3 is provided with a connecting block 15, the corresponding two clamping plates 3 are fixedly connected through the connecting blocks 15, the connecting blocks 15 can also be fixedly connected with the clamping plates 3 through first studs, and the clamping plates 3 are rotated by holding the two connecting blocks 15 in a hand during testing so as to facilitate operation.

Finally, while the foregoing description has shown and described embodiments of the present utility model, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations may be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A metal coating bending test tool, characterized in that: including splint group, clamp splice A (1) and clamp splice B (2), splint group includes two splint (3), the one end of two splint (3) is passed through pivot (4) and is rotated and is connected, clamp splice A (1) and clamp splice B (2) are fixed in two splint (3) near pivot (4) one end respectively, all be equipped with crack (5) along the length direction of splint (3) on clamp splice A (1) and the clamp splice B (2), two crack (5) place plane coplanarity and all perpendicular with the face of splint (3), clamp splice A (1) offsets and two crack (5) place plane mutually perpendicular with clamp splice B (2) when two splint (3) rotate to mutually perpendicular.

2. The metal plating bending test tool according to claim 1, wherein: the clamp block A (1) comprises an upper cutting edge block A1 (6) and a lower cutting edge block A2 (7), a first screw (8) in threaded connection with the upper cutting edge block A1 (6) and a second screw (9) in threaded connection with the lower cutting edge block A2 (7) are arranged on the clamping plate (3), and a clamp gap (5) is formed between the bottom surface of the upper cutting edge block A1 (6) and the top surface of the lower cutting edge block A2 (7).

3. The metal plating bending test tool according to claim 2, wherein: the clamp splice B (2) comprises an upper blade block B1 (10) and a lower blade block B2 (11), a first stud in threaded connection with the upper blade block B1 (10) and a second screw (9) in threaded connection with the lower blade block B2 (11) are arranged on the clamping plate (3), a clamp seam (5) is formed between the bottom surface of the upper blade block B1 (10) and the top surface of the lower blade block B2 (11), the upper blade block B1 (10) is in threaded connection with the lower blade block B2 (11) through the second screw (9), a tightening screw (12) is arranged on the upper blade block B1 (10), and the tightening screw (12) downwards extends to the clamp seam (5).

4. A metal plating bending test tool according to claim 3, wherein: waist holes (13) are formed in the upper edge of the clamping plate (3) in the direction perpendicular to the plane where the clamping gaps (5) are located, and the first screw rod (8) is arranged on the waist holes (13) in a penetrating mode and is connected with the upper cutting edge block A1 (6) and the upper cutting edge block B1 (10).

5. A metal plating bending test tool according to claim 3, wherein: the clamping plate (3) is provided with a round hole (14), and the second screw rod (9) is arranged on the round hole (14) in a penetrating way and is connected with the lower blade block A2 (7) and the lower blade block B2 (11).

6. The metal plating bending test tool according to claim 1, wherein: the clamping plate groups are provided with two groups, clamping plates (3) in the two groups of clamping plate groups are in one-to-one correspondence, one end of each clamping plate (3) far away from the shaft pin (4) is provided with a connecting block (15), and the two corresponding clamping plates (3) are fixedly connected through the connecting blocks (15).