Device for testing adhesive force of metal anticorrosive coating

Abstract

The utility model relates to the technical field of adhesive force testers, and discloses a metal anticorrosive coating adhesive force testing device which comprises a cross beam, a base is fixedly embedded in the middle of the cross beam, and a six-edge through hole is formed in the base; the two supporting legs are symmetrically distributed relative to the base, and the opposite sides of the two supporting legs are each of a cavity structure; the two supporting legs are connected to the bottom of the cross beam in a sliding mode. The pulling assembly comprises a hexagonal rod and a pulling chuck, and the lower end of the hexagonal rod is fixedly connected to the upper end of the tension sensor; the lifting driving unit is arranged on the base and used for providing upward lifting force for the pulling assembly; according to the utility model, by arranging the two supporting legs capable of adjusting the distance in a sliding manner, the problem that the detection data is influenced by the deformation of a metal plate during lifting detection due to the large distance between the two existing supporting legs during actual operation is avoided; and the two supporting legs can protect the tension sensor after being folded.

Description

Technical Field

[0001] The utility model belongs to the technical field of adhesion testers, and specifically relates to a device for testing the adhesion of metal anti-corrosion coatings. Background Technique

[0002] There are many conventional coating adhesion test methods, which are basically divided into cross scratching, grid scratching, parallel line scratching, pull-off method, etc. In these methods, for cross scratching, grid scratching, and parallel line scratching, a tool is used to scratch different shapes on the surface of the coating specimen, and then the tip of the tool is used to pick up from the scratch, or a pressure-sensitive tape is used to stick to the scratched part and then the tape is pulled off to observe the coating peeling off caused by the scratch. According to the severity of the coating peeling off, the level is determined, so as to evaluate and determine the coating adhesion.

[0003] Existing adhesion testers all have two fixed legs, and then the tensile sensor is arranged between the two fixed legs, and the sensor is not protected at all. Moreover, the distance between the existing two legs is relatively large, resulting in the problem that the deformation of the metal plate during the lifting detection affects the detection data.

[0004] In view of this, the present utility model is specifically proposed. Content of the Utility Model

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present utility model is:

[0006] A device for testing the adhesion of metal anti-corrosion coatings includes a cross beam, a base is fixedly embedded in the middle, and a hexagonal through hole is opened on the base; two legs symmetrically distributed about the base, and the side of the two legs facing each other is provided with a cavity structure; the two legs are slidably connected to the bottom of the cross beam; a pulling component, including a hexagonal rod and a pulling chuck, the lower end of the hexagonal rod is fixedly connected to the upper end of the tensile sensor, and the lower end of the tensile sensor is detachably connected to the pulling chuck; a locking unit is arranged at the upper end of the leg for limiting the sliding position of the leg on the cross beam; a lifting driving unit is arranged on the base for providing an upward pulling force to the pulling component; by setting two legs with adjustable sliding distance, it is convenient to avoid the problem that the deformation of the metal plate during the lifting detection affects the detection data due to the relatively large distance between the existing two legs in actual operation; and the two legs are arranged to protect the tensile sensor after being closed to each other.

[0007] As a preferred implementation manner of the present utility model, the lifting driving unit includes an internally threaded sleeve, the internally threaded sleeve is movably connected to the base through a bearing, the internally threaded sleeve is screwed and sleeved on a threaded lead screw, and the threaded lead screw is fixed to the upper end of the hexagonal rod and is movably inserted into the base.

[0008] As a preferred embodiment of the present utility model, the locking unit includes a spring guard and a limit clamping rod. A dial sleeve is fixed to the lower end of the limit clamping rod. The limit clamping rod movably penetrates through the spring guard and the T-shaped slider. A spring pressing plate is fixedly sleeved on the limit clamping rod located inside the spring guard. A spring is sleeved on the limit clamping rod between the spring pressing plate and the spring guard. A plurality of limit clamping grooves adapted to the limit clamping rod are formed in the sliding groove. The T-shaped slider slides in the sliding groove formed in the cross beam.

[0009] As a preferred embodiment of the present utility model, rectangular through openings horizontally aligned with the dial sleeve are formed on opposite sides of the two legs.

[0010] As a preferred embodiment of the present utility model, rectangular notches are formed in the middle of the upper ends of the opposite sides of the two legs.

[0011] As a preferred embodiment of the present utility model, the width of the tensile sensor is smaller than the width of the leg cavity.

[0012] As a preferred embodiment of the present utility model, the pulling component further includes a sticking buckle. The sticking buckle is adaptively hooked with the pulling head, and the sticking buckle is stuck on the metal plate.

[0013] The present utility model has the following beneficial effects compared with the prior art:

[0014] By providing two legs with adjustable sliding spacing, the present utility model facilitates avoiding, during actual operation, the deformation of the metal plate during lifting detection, which may affect the detection data due to the relatively large spacing between the existing two legs. In addition, the two provided legs can be closed to protect the tensile sensor.

[0015] The following further describes in detail the specific embodiments of the present utility model with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In the drawings:

[0017] Figure 1 is a schematic cross-sectional structure diagram of the whole of the present utility model;

[0018] Figure 2 is a schematic diagram of the distribution position structure of the limit clamping groove on the sliding groove of the present utility model;

[0019] Figure 3 is a schematic diagram of the enlarged structure at Figure 1 A of the present utility model;

[0020] Figure 4 is a schematic diagram of the whole structure of the present utility model;

[0021] Figure 5Schematic diagram of the chute structure of the present utility model on the end face of the cross beam;

[0022] Figure 6 Schematic diagram of the distribution position structure of the rectangular through - opening of the present utility model on the support leg;

[0023] Figure 7 Schematic diagram of the structure of the present utility model after the adhesive buckle and the pull - out chuck are connected;

[0024] Figure 8 Schematic diagram of the structure of the present utility model after the distance between two support legs is adjusted.

[0025] In the figure: 1. Cross beam; 2. Chute; 3. Hexagonal rod; 4. Support leg; 5. Tensile sensor; 6. Pull - out chuck; 7. Rectangular through - opening; 8. Display screen; 9. Base; 10. Threaded lead screw; 11. Internal thread sleeve; 12. T - shaped slider; 13. Adhesive buckle; 14. Metal plate; 15. Rectangular notch; 16. Limit card slot; 17. Spring; 18. Dial sleeve; 19. Spring guard; 20. Limit card rod. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0027] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper / lower end", "inside", "outside", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0028] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "set / sleeved with", "socketed", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0029] As shown in Figures 1 to 8 Figure [X], a device for testing the adhesion of a metal anti-corrosion coating includes a cross beam 1, in which a base 9 is fixedly embedded in the middle, and a hexagonal through hole is provided on the base 9; it also includes two legs 4 symmetrically distributed about the base 9, and the opposite sides of the two legs 4 are provided with cavity structures; the two legs 4 are slidably connected to the bottom of the cross beam 1; it further includes a pulling component, which includes a hexagonal rod 3 and a pulling chuck 6. The lower end of the hexagonal rod 3 is fixedly connected to the upper end of a tension sensor 5, and the lower end of the tension sensor 5 is detachably connected to the pulling chuck 6. The pulling component further includes a sticking buckle 13, which is adaptively hooked to the pulling chuck 6 and is stuck on a metal plate 14, and a locking unit, which is arranged at the upper end of the leg 4 and is used to limit the sliding position of the leg 4 on the cross beam 1; it also includes a lifting driving unit, which is arranged on the base 9 and is used to provide an upward pulling force for the pulling component.

[0030] As shown in Figures 1 to 6 Figure [X], in a specific embodiment, the lifting driving unit includes an internally threaded sleeve 11, which is movably connected to the base 9 through a bearing. The internally threaded sleeve 11 is screwed and sleeved on a threaded lead screw 10, and the threaded lead screw 10 is fixed to the upper end of the hexagonal rod 3 and is movably inserted into the base 9; the locking unit includes a spring cover 19 and a limit clamping rod 20. A dial sleeve 18 is fixed to the lower end of the limit clamping rod 20, and the limit clamping rod 20 movably penetrates through the spring cover 19 and a T-shaped slider 12. A spring pressing plate is fixedly sleeved on the limit clamping rod 20 located inside the spring cover 19, and a spring 17 is sleeved on the limit clamping rod 20 between the spring pressing plate and the spring cover 19. A plurality of limit clamping grooves 16 adapted to the limit clamping rod 20 are provided in the chute 2, and the T-shaped slider 12 slides in the chute 2 opened on the cross beam 1. The spring 17 can ensure the reset of the limit clamping rod 20 in the later stage.

[0031] As shown in Figures 1 to 1 Figure [X], further, rectangular through holes 7 are provided on the opposite sides of the two legs 4 and are horizontally aligned with the dial sleeve 18, and rectangular notches 15 are provided in the middle of the upper ends of the opposite sides of the two legs 4. The width of the tension sensor 5 is smaller than the cavity width of the leg 4, so as to ensure that the tension sensor 5 can be completely protected when the two legs 4 are closed to each other.

[0032] The implementation principle of the device for testing the adhesion of a metal anti-corrosion coating in this embodiment is as follows:

[0033] In the initial state, as shown in Figure 1As shown, the two legs 4 are folded together to protect the tension sensor 5. At this time, the limit clamping rod 20 is stuck in the positioning groove opened in the sliding groove 2 of the cross beam 1. When it is necessary to separate the two legs 4, press down the shifting sleeve 18 through the rectangular through hole 7 on the side wall of the leg 4, driving the limit clamping rod 20 to move downward. After unlocking, pull the leg 4 outwards through the sliding groove 2. After pulling to a certain position, the limit clamping rod 20 will slide into another defined positioning groove, thus ensuring the stability of the leg 4 on the cross beam 1.

[0034] During the detection, first adhesively attach the lower end face of the adhesive buckle 13 to the anti-corrosion soil layer with special glue, and then lap the two legs 4 on the metal plate 14. At this time, the pulling head 6 is clamped to the adhesive buckle 13, and then rotate the internal thread sleeve 11. When the internal thread sleeve 11 rotates, it will cooperate with the threaded lead screw 10 to drive the hexagonal rod 3 to rise. During the rising process, the pulling force data generated in cooperation with the tension sensor 5 is transmitted to the display screen 8 installed on the cross beam 1 to record the pulling force data in real time. Until the adhesive buckle 13 detaches from the metal plate 14, the final data is recorded on the display screen 8.

[0035] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation. The element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, article or device including the element.

[0036] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metal anti-corrosion coating adhesion testing device, characterized in that: include: The crossbeam (1) has a base (9) fixedly embedded in the middle, and the base (9) is provided with a hexagonal through hole; Two supporting legs (4) symmetrically distributed about the base (9), the two supporting legs (4) having a cavity structure on one side facing each other; the two supporting legs (4) are slidably connected to the bottom of the crossbeam (1); The pulling assembly comprises a hexagonal rod (3) and a pulling clamp (6), wherein the lower end of the hexagonal rod (3) is fixedly connected to the upper end of the tension sensor (5), and the lower end of the tension sensor (5) is detachably connected to the pulling clamp (6); A locking unit, arranged at the upper end of the supporting leg (4), and used to limit the sliding position of the supporting leg (4) on the crossbeam (1); The lifting drive unit is arranged on the base (9) and is used to provide an upward lifting force to the pulling component.

2. A metal anti-corrosion coating adhesion testing device according to claim 1, characterized in that: The lifting drive unit comprises an internal thread sleeve (11), which is movably connected to the base (9) via a bearing, and the internal thread sleeve (11) is threadedly sleeved on a threaded screw rod (10), and the threaded screw rod (10) is fixed to the upper end of the hexagonal rod (3), and both are movably inserted into the base (9).

3. A metal anti-corrosion coating adhesion testing device according to claim 1, characterized in that: The locking unit comprises a spring shield (19) and a limiting clamping rod (20), a lower end of the limiting clamping rod (20) is fixed with a shifting sleeve (18), the limiting clamping rod (20) movably penetrates the spring shield (19) and the T-shaped slider (12), a spring pressure plate is fixedly sleeved on the limiting clamping rod (20) located in the spring shield (19), a spring (17) is sleeved on the limiting clamping rod (20) located between the spring pressure plate and the spring shield (19), a plurality of limiting clamping grooves (16) adapted to the limiting clamping rod (20) are provided in the slide groove (2), and the T-shaped slider (12) slides in the slide groove (2) provided by the crossbeam (1).

4. A metal anti-corrosion coating adhesion testing device according to claim 3, characterized in that: A rectangular opening (7) is horizontally aligned with the pull sleeve (18) on opposite sides of the two supporting legs (4).

5. A metal anti-corrosion coating adhesion testing device according to claim 4, characterized in that: A rectangular notch (15) is provided in the middle of the upper ends of the two supporting legs (4) facing each other.

6. The metal anti-corrosion coating adhesion testing device according to claim 1, characterized in that: The width of the tension sensor (5) is smaller than the width of the cavity of the supporting leg (4).

7. The metal anti-corrosion coating adhesion testing device according to claim 1, characterized in that: The pulling assembly further comprises an adhesive buckle (13), the adhesive buckle (13) is adapted to be hung with the pulling clamp head (6), and the adhesive buckle (13) is adhered to the metal plate (14).

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