Scratch resistance testing device for metal coating on metal surface

Abstract

The utility model relates to the field of metal piece testing, in particular to a metal surface metal coating scratch resistance testing device which comprises a box body and first electric sliding blocks, the first electric sliding blocks are symmetrically installed on the front end face and the rear end face in the box body, a bottom plate is installed at the inner side ends of the first electric sliding blocks, and a lower seat is installed at the bottom of the bottom plate. A second electric sliding block is installed on the upper end face of the top plate; a connecting frame is installed on the upper end face of the second electric sliding block; a cutting knife is installed at the bottom of the connecting frame; heating strips are symmetrically installed on the front end face and the rear end face of the box body; according to the utility model, the heating strip structure is adopted, and the heating strip is used for heating the interior of the box body, so that the scratch resistance of the metal piece at high temperature is simulated.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal piece test field, concretely relates to a kind of metal surface metal coating scratch resistance testing device. BACKGROUND

[0002] Metal products are usually printed or sprayed with paint, ink or functional coating on their surfaces for decorative effect and rust prevention. However, during production, transportation or use, metal products are inevitably subjected to grinding and scratching by other materials. Once the surface coating of metal products is scratched and the metal substrate is exposed, it will affect the surface decoration effect and cause rust, thereby affecting the service life. Therefore, the scratch resistance of metal product surface coating is required, and detection is carried out during production to control quality.

[0003] A metal surface metal coating scratch resistance testing device (authorized publication number CN217277752 U) is disclosed in Chinese patent. The patent technology can solve the problem that traditional scratch resistance testing only detects the scratch resistance of metal plate coating as raw material, cannot directly detect metal finished products, and therefore cannot reflect the real scratch resistance of metal finished product surface coating, thereby cannot accurately evaluate the scratch resistance of metal product coating.

[0004] The patent does not test the scratch resistance of metal products at different temperatures, but metal products are often used at different temperatures, so the experimental data is not accurate. After high temperature detection, the surface temperature of metal products is high, which is not convenient for handheld observation and processing, and the scratch surface lacks a collection device, causing material waste. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model provides a kind of metal surface metal coating scratch resistance testing device, including box and first electric sliding block, the first electric sliding block is symmetrically installed in the box inside front and rear end surface, first electric sliding block inner side end installs bottom plate, bottom plate bottom installs lower seat, lower seat inner bottom installs first air cylinder, first air cylinder output end installs the frame of the type, the frame of the type upper end surface installs top plate, top plate upper end surface installs second electric sliding block, second electric sliding block upper end surface installs connecting frame, connecting frame bottom installs cutting knife, box front and rear end surface symmetrically installs heating strip.

[0006] Preferably, the bottom plate upper end surface is symmetrically provided with a fixing hole, and the frame of the type passes through the fixing hole and is connected with the fixing hole by sliding cooperation.

[0007] Preferably, the bottom plate upper end face is symmetrically provided with a fixed seat, the fixed seat inner side end is connected with the inner side end of the L-shaped frame through sliding fit, and the fixed seat upper end face is provided with a cover plate through the upper position frame.

[0008] Preferably, the box left and right side walls are symmetrically provided with side position seats, the side position seat upper end face is provided with a fixed screw through screwing, the cover plate left and right side walls are symmetrically provided with annular sleeves, and the annular sleeve inner side end is connected with the fixed screw through sliding fit.

[0009] Preferably, the box rear side end face is provided with a control panel, the box inner side end is symmetrically provided with temperature sensors, the control panel and the temperature sensors are electrically connected with the heating strip, and a timer is arranged above the control panel and electrically connected with the control panel.

[0010] Preferably, the box front side end face is provided with a water tank, and the water tank inner side end is arranged with an inner position cavity, and a plurality of filter holes are formed in the inner position cavity bottom.

[0011] The technical effects and advantages of the present application are as follows:

[0012] 1. The heating strip structure is adopted in the present application, the heating strip heats the box, thereby simulating the scratch resistance of the metal piece under high temperature.

[0013] 2. The water tank and the inner position cavity structure are adopted in the present application, the metal piece can be cooled, can be held for checking, can be cleaned, and small debris can be collected through the filter holes. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a main view of a metal surface metal coating scratch resistance testing device structure provided by the embodiment of the present application.

[0015] Fig. 2 It is a rear view of a metal surface metal coating scratch resistance testing device structure provided by the embodiment of the present application.

[0016] Fig. 3 It is a main view of a metal surface metal coating scratch resistance testing device structure provided by the embodiment of the present application.

[0017] Fig. 4 It is a left view of a metal surface metal coating scratch resistance testing device structure provided by the embodiment of the present application.

[0018] Fig. 5 It is a top view of a metal surface metal coating scratch resistance testing device structure provided by the embodiment of the present application.

[0019] In the figure: 1, box; 2, first electric sliding block; 11, bottom plate; 12, lower seat; 13, first cylinder; 14, U-shaped frame; 15, top plate; 16, second electric sliding block; 17, cutting knife; 18, heating strip; 19, fixed seat; 21, cover plate; 22, fixed screw; 23, control panel; 24, temperature sensor; 25, timer; 26, water tank. DETAILED DESCRIPTION

[0020] 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 enable others skilled in the art to understand the present application for various embodiments with various modifications as are suited to the particular use contemplated.

[0021] Please refer to Figs. 1-5 In the embodiment, a metal surface metal coating scratch resistance testing device is provided, which comprises a box 1 and a first electric sliding block 2, the first electric sliding blocks 2 are symmetrically installed on the front and rear end faces of the box 1, a bottom plate 11 is installed on the inner side end of the first electric sliding block 2, a lower seat 12 is installed at the bottom of the bottom plate 11, a first cylinder 13 is installed at the inner bottom of the lower seat 12, a U-shaped frame 14 is installed at the output end of the first cylinder 13, a top plate 15 is installed on the upper end face of the U-shaped frame 14, a second electric sliding block 16 is installed on the upper end face of the top plate 15, a connecting frame is installed on the upper end face of the second electric sliding block 16, a cutting knife 17 is installed at the bottom of the connecting frame, the electric sliding blocks are linear guide rail sliding block structures, the device is controlled to move linearly by rotating the lead screw driven by the motor, during work, the metal piece is placed on the bottom plate 11, the metal piece is arranged in the box 1, the first cylinder 13 is started to drive the U-shaped frame 14 to move downward, so that the top plate 15 is pressed on the metal piece to limit the metal piece, the heating strip 18 heats the box 1, so as to simulate the scratch resistance of the metal piece under high temperature, and the experiment is more realistic, and the second electric sliding block 16 is started to drive the cutting knife 17 to move forward and backward, so as to scratch the surface of the metal piece.

[0022] Fixed holes are symmetrically formed on the upper end face of the bottom plate 11, the U-shaped frame 14 penetrates through the fixed holes and is connected with the fixed holes in a sliding fit mode, during work, the sliding fit connection mode is adopted to ensure the stability of the up-down movement of the U-shaped frame 14.

[0023] The upper end face of the bottom plate 11 is symmetrically provided with a fixed seat 19, the inner side of the fixed seat 19 is connected with the inner side of the L-shaped frame 14 through sliding fit, and the upper end face of the fixed seat 19 is provided with a cover plate 21 through an upper frame, and the cover plate 21 is installed on the upper end face of the box body 1 through clamping. During operation, the cover plate 21 seals the upper end face of the box body 1, ensuring the high-temperature detection effect of the metal piece. After the scratch is completed, the first electric sliding block 2 is started to drive the bottom plate 11 to move upwards, so that the cover plate 21 moves upwards, and the metal piece is taken out for observation and processing.

[0024] The left and right side walls of the box body 1 are symmetrically provided with side seats, the upper end face of the side seat is provided with a fixed screw 22 through screwing, the left and right side walls of the cover plate 21 are symmetrically provided with an annular sleeve, and the inner side of the annular sleeve is connected with the fixed screw 22 through sliding fit. During operation, the fixed screw 22 limits the cover plate 21, further ensuring the stability of the cover plate 21. Before driving the cover plate 21 to move upwards, the fixed screw 22 is rotated to drive it to move upwards and out of the annular sleeve, so that the cover plate 21 can move up and down.

[0025] The rear end face of the box body 1 is provided with a control panel 23, and the inner side of the box body 1 is symmetrically provided with a temperature sensor 24. The control panel 23 is electrically connected with the heating strip 18 and the temperature sensor 24. The upper side of the control panel 23 is provided with a timer 25, and the timer 25 is electrically connected with the control panel 23. During operation, the control panel 23 is programmed with a PLC program to control the operation of each device. The temperature sensor 24 can monitor the temperature inside the box body 1 and display the temperature on the display screen of the control panel 23. The timer 25 calculates the high-temperature time in the cavity, which is convenient for observing the scratch degree of the metal piece at different times and makes the test data more accurate.

[0026] The front end face of the box body 1 is provided with a water tank 26, and the inner side of the water tank 26 is provided with an inner cavity. A plurality of filter holes are formed in the bottom of the inner cavity. During operation, cold water is contained in the water tank 26. When the metal piece is taken out and the temperature is high, it is clamped and placed in the water tank 26 for cooling treatment, so that it can be held and observed afterwards. At the same time, the scratched metal piece can be cleaned. Small debris enters the bottom of the water tank 26 through the filter holes, which is convenient for collecting the debris.

[0027] Specifically, the metal piece is placed on the bottom plate 11, the metal piece is arranged in the box body 1, the first air cylinder 13 is started to drive the L-shaped frame 14 to move downwards, so that the top plate 15 is pressed on the metal piece to limit the metal piece, and the heating strip 18 heats the box body 1, so as to simulate the scratch resistance of the metal piece under high temperature, making the experiment more realistic. The second electric sliding block 16 is started to drive the cutting knife 17 to move forward and backward, so as to scratch the surface of the metal piece.

[0028] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor shall belong to the scope of protection of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.

Claims

1. A metal surface metal coating scratch resistance testing device comprising a box (1) and a first electric sliding block (2), characterized in that, The box (1) is symmetrically provided with first electric sliding blocks (2) on the front and rear end faces, the inner side end of the first electric sliding block (2) is provided with a bottom plate (11), the bottom of the bottom plate (11) is provided with a lower seat (12), the inner bottom of the lower seat (12) is provided with a first air cylinder (13), the output end of the first air cylinder (13) is provided with a Z-shaped frame (14), the upper end face of the Z-shaped frame (14) is provided with a top plate (15), the upper end face of the top plate (15) is provided with a second electric sliding block (16), the upper end face of the second electric sliding block (16) is provided with a connecting frame, the bottom of the connecting frame is provided with a cutting knife (17), and the box (1) is symmetrically provided with heating strips (18) on the front and rear end faces.

2. A metal surface metal coating scratch resistance test device according to claim 1, wherein The bottom plate (11) is provided with fixed holes symmetrically on the left and right sides of the upper end face, and the Z-shaped frame (14) penetrates through the fixed holes and is connected with the fixed holes in a sliding fit mode.

3. A metal surface metal coating scratch resistance test device according to claim 1, wherein, The bottom plate (11) is provided with fixed seats (19) symmetrically on the left and right sides of the upper end face, the inner side end of the fixed seat (19) is connected with the inner side end of the Z-shaped frame (14) in a sliding fit mode, and the upper end face of the fixed seat (19) is provided with a cover plate (21) through an upper seat.

4. A metal surface metal coating scratch resistance test device according to claim 1, wherein, The box (1) is symmetrically provided with side seats on the left and right side walls, the side seats are provided with fixed screw rods (22) on the upper end faces through screwing, the cover plate (21) is symmetrically provided with annular sleeves on the left and right side walls, and the inner side end of the annular sleeve is connected with the fixed screw rod (22) in a sliding fit mode.

5. A metal surface metal coating scratch resistance test device according to claim 4, wherein, The box (1) is provided with a control panel (23) on the rear side end face, and the inner side end of the box (1) is symmetrically provided with temperature sensors (24); the control panel (23), the heating strip (18) and the temperature sensor (24) are electrically connected.

6. A metal surface metal coating scratch resistance test device according to claim 5, wherein, A timer (25) is arranged above the control panel (23), and the timer (25) and the control panel (23) are electrically connected.

7. A metal surface metal coating scratch resistance test device according to claim 1, wherein, The box (1) is provided with a water tank (26) on the front side end face, the inner side end of the water tank (26) is provided with an inner cavity, and a plurality of filter holes are formed in the bottom of the inner cavity.

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