Tensile test piece device for quantitatively detecting binding force of coating

Abstract

The utility model belongs to the technical field of tensile test piece devices for quantitatively detecting coating binding force, and discloses a tensile test piece device for quantitatively detecting coating binding force, which comprises a support seat I and a support seat II, a pneumatic chuck I is mounted in the middle of the upper end surface of the support seat I, and a pair of support rods is mounted on two sides of the upper end surface of the support seat I; first sliding grooves are formed in the opposite sides of the supporting rods, telescopic sleeves are slidably connected into the first sliding grooves, telescopic grooves are formed in one sides of the telescopic sleeves, telescopic rods are movably connected into the telescopic grooves, protective covers are installed at one ends of the telescopic rods, second sliding grooves are formed in one sides of the first sliding grooves, and locking screws are installed on one sides of the second sliding grooves. According to the device, the welding position of a test piece can be wrapped through a pair of protective covers, the situation that in the stretching process, the welding position is suddenly broken, chippings splash and injure testers accidentally is avoided, meanwhile, the chippings can be conveniently and rapidly cleaned, and the practicability of the product is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the quantitative detection plating layer binding force tensile test piece device technical field, more specifically, it is especially related to a quantitative detection plating layer binding force tensile test piece device. BACKGROUND

[0002] The quantitative detection plating layer binding force tensile test piece device is a kind of equipment specially used to test the binding force between plating layer and base material, which is used to evaluate the tensile performance of plating layer under external force, so as to judge whether the combination between plating layer and base material is firm, which can help manufacturers and researchers to determine the quality and performance of plating layer to ensure the stability and reliability of products.

[0003] Now part of the quantitative detection plating layer binding force tensile test piece device before the tensile test of test piece, adopts high-temperature brazing to weld the test piece after electroplating, can simulate the real state after the welding of parts, then the test piece is detected, and the debris splashing occurs when the welding point suddenly breaks in the process of stretching, which not only increases the cleaning difficulty, but also misinjures test personnel.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a quantitative detection plating layer binding force tensile test piece device is provided to achieve the purpose of having more practical value. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a kind of quantitative detection plating layer binding force tensile test piece device, by following specific technical means:

[0006] A kind of quantitative detection plating layer binding force tensile test piece device, including support seat one and support seat two, the upper end surface middle position of support seat one is equipped with pneumatic chuck one, one pair of support rods is installed on the upper end surface both sides of support seat one, the opposite side of support rod is equipped with sliding slot one, the telescopic sleeve of sliding slot one is slidably connected, the side of telescopic sleeve is equipped with telescopic slot, the telescopic rod of telescopic slot is movably connected, the end of telescopic rod is equipped with protective cover, the side of sliding slot one is equipped with sliding slot two, the side of sliding slot two is equipped with locking screw, the side of telescopic sleeve close to sliding slot two is equipped with thread groove one matched with the outer thread of locking screw, the top of one pair of support rods is connected with the bottom end surface of support seat two, the bottom end surface middle position of support seat two is equipped with pneumatic cylinder, the output end of pneumatic cylinder is equipped with tensile detector, the bottom end surface of tensile detector is equipped with pneumatic chuck two.

[0007] Further, the end of telescopic rod close to telescopic slot is equipped with thread groove two, and the end of telescopic rod close to telescopic slot is equipped with limit block.

[0008] Further, one side of the telescopic slot is rotationally connected with a lead screw, one end of the telescopic sleeve is provided with a motor, one end of the lead screw penetrates through one side of the telescopic slot and is connected with the output end of the motor, the other end of the lead screw penetrates through the limiting block and extends into the second screw groove, and the external thread of the lead screw is matched with the internal thread of the second screw groove.

[0009] Further, the bottom of the protective cover is provided with a collecting groove, the bottom of the collecting groove is provided with a discharging groove, and the discharging groove is provided with a plug.

[0010] Further, the support rod is provided with scale marks near one side of the sliding groove.

[0011] Further, the material of the protective cover is acrylic material.

[0012] Further, the pneumatic chuck two is located at the position directly above the pneumatic chuck one, and the test piece is arranged between the pneumatic chuck one and the pneumatic chuck two.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] When the two ends of the test piece are clamped between the pneumatic chuck one and the pneumatic chuck two, the height of the pair of protective covers is adjusted to be adapted to the height of the welding position of the test piece, then the locking screw is screwed, one end of the locking screw enters the first screw groove, when the locking screw is tightened, the position of the telescopic sleeve is fixed, the motor is started, the motor drives the lead screw to rotate, since the lead screw is screw-connected with the second screw groove, the lead screw drives the telescopic rod to move forward when rotating, the pair of telescopic rods drive the pair of protective covers to move to the middle and wrap the welding position of the test piece, thereby the situation that the welding position is suddenly broken and the test personnel is injured by splashing of debris in the process of stretching can be avoided.

[0015] By cooperation of the collecting groove and the discharging groove, the debris generated by the welding position of the test piece in the process of stretching falls into the collecting groove under the blockage of the inner wall of the protective cover, then the plug is pulled out, the debris can be swept into the position of the discharging groove by using a brush, and the debris is discharged through the discharging groove, so that the effect of conveniently and quickly cleaning the debris can be achieved, and the practicability of the product can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic view of the utility model.

[0017] Figure 2 It is a front view schematic view of the utility model.

[0018] Figure 3 is a side view of the support rod and the telescopic sleeve in the utility model.

[0019] Figure 4 is a side view of the protective cover in the utility model.

[0020] Figure 5 is a side view of the protective cover in the utility model. Figure 1 is an enlarged view of A in the utility model.

[0021] Figure 6 is an enlarged view of B in the utility model. Figure 2

[0022] Figure 7 is an enlarged view of C in the utility model. Figure 3

[0023] In the figure, the correspondence between the component names and the figure numbers is as follows:

[0024] 1, support seat one; 101, pneumatic chuck one; 2, support seat two; 201, air cylinder; 202, tension detector; 203, pneumatic chuck two; 3, support rod; 301, sliding groove one; 302, sliding groove two; 303, scale mark; 4, telescopic sleeve; 401, telescopic groove; 402, screw groove one; 403, screw rod; 404, motor; 5, telescopic rod; 501, screw groove two; 502, limiting block; 6, protective cover; 601, collecting groove; 602, blanking groove; 603, plug; 7, locking screw; 8, test piece. DETAILED DESCRIPTION

[0025] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0026] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two; the directions or position relations indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements referred to must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] ​​In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] Example:

[0029] As attached Figure 1 To be continued Figure 7 As shown:

[0030] This utility model provides a tensile test specimen device for quantitatively detecting the adhesion of a coating, including a support base 1 and a support base 2. A pneumatic chuck 101 is installed at the middle position of the upper end face of the support base 1. A pair of support rods 3 are installed on both sides of the upper end face of the support base 1. Each support rod 3 has a sliding groove 301 on its opposite side. A telescopic sleeve 4 is slidably connected in the sliding groove 301. A telescopic groove 401 is provided on one side of the telescopic sleeve 4. A telescopic rod 5 is movably connected in the telescopic groove 401. One end of the telescopic rod 5 is equipped with a protective device. The protective cover 6 has a slide groove 302 on one side of the slide groove 301. A locking screw 7 is installed on one side of the slide groove 302. The telescopic sleeve 4 has a threaded groove 402 on the side near the slide groove 302 that matches the external thread of the locking screw 7. The top of a pair of support rods 3 is connected to the bottom end face of the support seat 2. A cylinder 201 is installed in the middle of the bottom end face of the support seat 2. A tensile tester 202 is installed at the output end of the cylinder 201. A pneumatic chuck 203 is installed on the bottom end face of the tensile tester 202.

[0031] Among them, the telescopic rod 5 is provided with a threaded groove 501 at one end near the telescopic groove 401, and a limit block 502 is installed at the other end of the telescopic rod 5 near the telescopic groove 401, which plays a limiting role.

[0032] One side of the telescopic groove 401 is rotatably connected to a lead screw 403, and one end of the telescopic sleeve 4 is equipped with a motor 404. One end of the lead screw 403 passes through one side of the telescopic groove 401 and is connected to the output end of the motor 404. The other end of the lead screw 403 passes through the limiting block 502 and extends into the threaded groove 501. The external thread of the lead screw 403 matches the internal thread of the threaded groove 501. The motor 404 drives the lead screw 403 to rotate. Since the lead screw 403 is threadedly connected to the threaded groove 501, when the lead screw 403 rotates, it drives the telescopic rod 5 to move forward. A pair of telescopic rods 5 drive a pair of protective covers 6 to move towards the middle and wrap around the welded joint of the test piece 8.

[0033] The bottom of the protective cover 6 is provided with a collecting groove 601, the bottom of the collecting groove 601 is provided with a discharging groove 602, the discharging groove 602 is internally provided with a plug 603, the debris generated by the welding fracture of the test piece 8 in the stretching process falls into the collecting groove 601 under the blockage of the inner wall of the protective cover 6, then the plug 603 is pulled out, the debris can be swept into the position of the discharging groove 602 by using a brush, and the debris is discharged through the discharging groove 602.

[0034] The side of the supporting rod 3 close to the sliding groove one 301 is provided with a scale mark 303, the scale mark 303 can provide a reference when the height of the protective cover 6 is adjusted, so that the pair of protective covers 6 are at the same height.

[0035] The material of the protective cover 6 is acrylic material, the acrylic material has high hardness, good wear resistance, high transparency, and is convenient for the test personnel to observe.

[0036] The pneumatic chuck two 203 is located directly above the pneumatic chuck one 101, and the test piece 8 is installed between the pneumatic chuck one 101 and the pneumatic chuck two 203.

[0037] The working principle of the embodiment is as follows:

[0038] Firstly, the test piece 8 is placed between the pneumatic chuck one 101 and the pneumatic chuck two 203, the pneumatic chuck one 101 and the pneumatic chuck two 203 are started to clamp the test piece 8, when the two ends of the test piece 8 are clamped between the pneumatic chuck one 101 and the pneumatic chuck two 203, the height of the pair of protective covers 6 is adjusted to adapt to the height of the welding position of the test piece 8, then the locking screw 7 is screwed, one end of the locking screw 7 enters the threaded groove one 402, when the locking screw 7 is tightened, the position of the telescopic sleeve 4 is also fixed, the motor 404 is started, the motor 404 drives the screw rod 403 to rotate, because the screw rod 403 is screw-connected with the threaded groove two 501, when the screw rod 403 rotates, the telescopic rod 5 moves forward, the pair of telescopic rods 5 drives the pair of protective covers 6 to move to the middle and wrap the welding position of the test piece 8, thereby avoiding the situation that the debris splashes and injures the test personnel when the welding position suddenly breaks in the stretching process, the air cylinder 201 is started, the air cylinder 201 drives the pneumatic chuck two 203 to stretch the test piece 8 through the tension detector 202, when the welding position of the test piece 8 is pulled off, the tension detector 202 detects the data of the plating layer bonding force of the test piece 8, the debris generated by the welding fracture of the test piece 8 in the stretching process falls into the collecting groove 601 under the blockage of the inner wall of the protective cover 6, then the plug 603 is pulled out, the debris can be swept into the position of the discharging groove 602 by using a brush, and the debris is discharged through the discharging groove 602, so that the effect of conveniently and quickly cleaning the debris can be achieved, and the practicability of the product can be improved.

[0039] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to thereby enable others skilled in the art to best utilize the present application with various modifications as are suited to the particular use contemplated.

Claims

1. A device for quantitative detection of the tensile test piece of the coating bond force, comprising a support seat one (1) and a support seat two (2), characterized in that: The upper end surface of the support seat one (1) is provided with a pneumatic chuck one (101), and both sides of the upper end surface of the support seat one (1) is provided with a pair of support rods (3), and the opposite side of the support rod (3) is provided with a sliding groove one (301), and the sliding groove one (301) is slidably connected with a telescopic sleeve (4), and one side of the telescopic sleeve (4) is provided with a telescopic groove (401), and the telescopic groove (401) is movably connected with a telescopic rod (5), and one end of the telescopic rod (5) is provided with a protective cover (6), and one side of the sliding groove one (301) is provided with a sliding groove two (302), and one side of the sliding groove two (302) is provided with a locking screw (7), and one side of the telescopic sleeve (4) close to the sliding groove two (302) is provided with a thread groove one (402) matched with the external thread of the locking screw (7), and the top end of the pair of support rods (3) is connected with the bottom end surface of the support seat two (2), and the bottom end surface of the support seat two (2) is provided with a pneumatic cylinder (201), and the output end of the pneumatic cylinder (201) is provided with a tension detector (202), and the bottom end surface of the tension detector (202) is provided with a pneumatic chuck two (203).

2. The tensile test specimen device for quantitative detection of plating adhesion according to claim 1, wherein: The telescopic rod (5) is provided with a thread groove two (501) at one end close to the telescopic groove (401), and the telescopic rod (5) is provided with a limiting block (502) at one end close to the telescopic groove (401).

3. The tensile test specimen device for quantitative detection of plating adhesion according to claim 2, wherein: The telescopic sleeve (4) is provided with a motor (404) at one end, and the telescopic sleeve (4) is provided with a screw rod (403) rotatably connected with one side of the telescopic groove (401), and the output end of the motor (404) is connected with one end of the screw rod (403) penetrating through one side of the telescopic groove (401), and the other end of the screw rod (403) penetrates through the limiting block (502) and extends into the thread groove two (501), and the external thread of the screw rod (403) is matched with the internal thread of the thread groove two (501).

4. The tensile test specimen device for quantitative detection of plating adhesion according to claim 1, wherein: The bottom of the protective cover (6) is provided with a collecting groove (601), and the bottom of the collecting groove (601) is provided with a discharging groove (602), and the discharging groove (602) is provided with a plug (603).

5. The tensile test specimen device for quantitative detection of plating adhesion according to claim 1, wherein: The side of the support rod (3) close to the sliding groove one (301) is provided with a scale mark (303).

6. The tensile test specimen device for quantitative detection of plating adhesion according to claim 1, wherein: The material of the protective cover (6) is acrylic material.

7. The tensile test specimen device for quantitative detection of plating adhesion according to claim 1, wherein: The pneumatic chuck two (203) is located directly above the pneumatic chuck one (101), and the pneumatic chuck one (101) and the pneumatic chuck two (203) are provided with a test piece (8) therebetween.

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