Manual needle lifting testing device for coating circling method

Abstract

The utility model relates to the technical field of coating adhesive force testing, in particular to a coating circling method manual needle lifting testing device which comprises a manual needle lifting mechanism, a tested base material plate and a sliding table, and the manual needle lifting mechanism is composed of a driven shaft, a shaft sleeve, a guide sliding block, a bearing seat and a hollow guide sleeve. The inner wall of the bearing seat is rotationally connected with a shaft sleeve through a first bearing, and the inner wall of the shaft sleeve is connected with the driven shaft through a spline. Through the cooperation of the needle head synchronous pulley, the shaft sleeve, the scriber, the guide slide block, the spherical handle and the tested substrate plate, under the action of the spherical handle and the gravity, the device can adapt to substrates with various thicknesses, and under the condition of reducing the interference of other components, the device can more accurately feed back the gravity value after no load and loading, so that the measurement accuracy is improved. Compared with the prior art, the manual needle lifting mechanism has the advantages that the manual lifting stroke can be increased through the guide rod type structure, and the manual needle lifting mechanism can be suitable for base materials of various thicknesses; 2, the spline type structure can smoothly rotate and move, and can be manually lifted to do Z-axis movement at the same time;

Description

Technical Field

[0001] The utility model relates to the technical field of coating adhesion testing, in particular to a coating circle drawing method manual needle lifting testing device. Background Art

[0002] It is a common testing method to evaluate the adhesion between paint film and substrate by using the circle method. However, based on the current situation of the coatings industry, the substrates that can be used on construction sites are often uncertain, resulting in the substrate thickness of the samples sent for inspection not being as regular as ideal. The circle method testers on the market for testing paint film adhesion are not better compatible with more thickness specifications in terms of substrate thickness range. Utility Model Content

[0003] The purpose of the utility model is to solve the problem that the circle-scribing method testers on the market for detecting paint film adhesion are not better compatible with more thickness specifications in terms of substrate thickness range, and to propose a manual needle-lifting test device for a paint circle-scribing method.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A manual needle lifting test device for paint circle scratching method is designed, including a manual needle lifting mechanism, a substrate plate to be tested and a slide table, the manual needle lifting mechanism consists of a driven shaft, a bearing seat and a hollow guide sleeve, the inner wall of the bearing seat is rotatably connected to the sleeve through bearing 1, the inner wall of the sleeve and the driven shaft are splined, a guide slider is slidably connected to the lower inner wall of the hollow guide sleeve, and the front side of the outer wall of the guide slider is tightly pressed against a limiting screw, the limit screw is threadedly connected to the hollow guide sleeve, both sides of the inner wall of the guide slider are rotatably connected to the driven shaft through bearing 2, the lower end of the driven shaft is fixedly connected to a shaft connecting block, the outer wall of the shaft connecting block is rotatably connected to a rotary joint, the front side of the outer wall of the shaft connecting block is threadedly connected to an adjusting screw, and the threaded head of the adjusting screw is tightly pressed against the rotary joint, and the lower inner wall of the rotary joint is fixedly connected to the scratching needle through a needle clamp.

[0006] Preferably, the manual needle lifting mechanism is located above the substrate plate to be tested, and the substrate plate to be tested is placed inside the slide.

[0007] Preferably, the bearing seat is fixedly connected to the rear side of the upper end of the upper support plate, and the hollow guide sleeve is fixedly connected to the rear side of the lower end of the upper support plate.

[0008] Preferably, a needle synchronous pulley is fixedly connected to the outer wall of the shaft sleeve, and the outer wall of the needle synchronous pulley is connected to an external power source through a synchronous belt.

[0009] Preferably, a spherical handle is fixedly connected to one side of the outer wall of the guide slider, and the guide slider is slidably connected to the hollow guide sleeve.

[0010] The utility model provides a manual needle lifting test device using a paint circle drawing method, which has the following beneficial effects:

[0011] Through the cooperation among the driven shaft, needle synchronous pulley, sleeve, marking needle, guide slider, ball handle and the substrate plate to be tested, when the circle method is performed, the rotational power is transmitted through the needle synchronous pulley in cooperation with the sleeve and the driven shaft, and the limit screw is loosened. The driven shaft slides down freely under the action of gravity, thereby driving the marking needle to move down and press tightly on the substrate plate to be tested fixed on the slide; when the needle needs to be lifted, the guide slider moves along the inner cavity of the hollow guide sleeve along the Z axis under the action of the ball handle. Through the action of the ball handle and gravity, it is adapted to substrates of various thicknesses, and with the intervention of other components reduced, it can more accurately feedback the gravity values ​​after no load and after loading. Compared with the prior art, it has the following advantages: 1. The guide rod structure can increase the manual lifting stroke, thereby adapting to substrate plates of more thickness specifications for circle method testing, and realizing the use of a manual needle lifting mechanism that can adapt to substrates of various thicknesses; 2. The spline structure adopted between the sleeve and the driven shaft can rotate smoothly and can be manually lifted for Z axis movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the appearance structure of the utility model in use;

[0013] Figure 2 For this utility model Figure 1 A schematic diagram of the main structure of the manual needle lifting mechanism;

[0014] Figure 3 For this utility model Figure 2 Schematic diagram of the cross section at AA in the middle.

[0015] In the figure: 1, driven shaft, 2, needle synchronous pulley, 3, bushing, 4, bearing 1, 5, bearing seat, 6, upper support plate, 7, hollow guide sleeve, 8, bearing 2, 9, guide slider, 10, limit screw, 11, shaft connecting block, 12, adjusting screw, 13, rotary joint, 14, needle chuck, 15, marking needle, 16, ball handle, 17, manual needle lifting mechanism, 18, substrate plate to be tested, 19, slide table. DETAILED DESCRIPTION

[0016] The utility model is further described below in conjunction with the accompanying drawings:

[0017] Embodiment 1:

[0018] See attached Figure 1-3In the present embodiment, a manual needle lifting test device for the paint circle drawing method includes a manual needle lifting mechanism 17, a substrate plate 18 to be tested and a slide 19. The manual needle lifting mechanism 17 is composed of a driven shaft 1, a sleeve 3, a guide slider 9, a bearing seat 5 and a hollow guide sleeve 7. The inner wall of the bearing seat 5 is rotatably connected to the sleeve 3 through a bearing 4. The sleeve 3 is fixedly connected to the outer wall of the driven shaft 1. The guide slider 9 is slidably connected to the lower inner wall of the hollow guide sleeve 7, and the front side of the outer wall of the guide slider 9 is pressed against a limited position. Screw 10, the limit screw 10 is threadedly connected to the hollow guide sleeve 7, the inner wall of the guide slider 9 is rotatably connected to the driven shaft 1 through bearing 2 8 on both sides, the lower end of the driven shaft 1 is fixedly connected with a shaft connecting block 11, the outer wall of the shaft connecting block 11 is rotatably connected to a rotary joint 13, the front side of the outer wall of the shaft connecting block 11 is threadedly connected to an adjusting screw 12, and the threaded head of the adjusting screw 12 is tightly pressed against the rotary joint 13, and the lower inner wall of the rotary joint 13 is fixedly connected to the marking needle 15 through a needle clamp 14.

[0019] See attached Figure 1-3 : In this embodiment, the manual needle lifting mechanism 17 is located above the substrate plate 18 to be tested, and the substrate plate 18 to be tested is placed inside the slide 19. The bearing seat 5 is fixedly connected to the upper rear side of the upper support plate 6, and the hollow guide sleeve 7 is fixedly connected to the lower rear side of the upper support plate 6. The outer wall of the sleeve 3 is fixedly connected to the needle head synchronous pulley 2, and the outer wall of the needle head synchronous pulley 2 is connected to the external power source through a synchronous belt. A spherical handle 16 is fixedly connected to one side of the outer wall of the guide slider 9, and the guide slider 9 is slidably connected to the hollow guide sleeve 7.

[0020] Driven shaft 1: drives the marking needle 15 to rotate;

[0021] Needle synchronous pulley 2: transmits power to driven shaft 1;

[0022] Bushing 3: cooperates with the needle synchronous pulley to transmit the rotational power;

[0023] Bearing 1 4: bears radial force and ensures smooth rotation of the sleeve 3;

[0024] Bearing seat 5: used to bear the radial force of the bearing;

[0025] Upper support plate 6: one end is fastened to the machine frame by screws to support the entire needle lifting mechanism;

[0026] Hollow guide sleeve 7: serves as a Z-axis guide for the guide slider 9;

[0027] Bearing 2 8: Bearing radial force while ensuring smooth movement of the driven shaft;

[0028] Guide slider 9: The ball handle 16 is manually lifted inside the hollow guide sleeve 7 to move along the Z axis, thereby raising the marking needle 15;

[0029] Limit screw 10: serves as a Z-axis limit for the guide slider 9;

[0030] Shaft connecting block 11: used to connect the driven shaft 1 with the rotary joint 13;

[0031] Adjusting screw 12: used to adjust the rotation radius of the stylus 15 and tighten it;

[0032] Rotating joint 13: used to adjust the rotation radius of the marking needle 15;

[0033] Needle chuck 14: convenient needle changing chuck;

[0034] Scribing needle 15: Scribe continuous circles on the paint film;

[0035] Ball handle 16: used to lift the guide slide 9.

[0036] Through the cooperation among the driven shaft 1, the needle synchronous pulley 2, the shaft sleeve 3, the marking needle 15, the guide slider 9, the ball handle 16 and the substrate plate 18 to be measured, when the circle method is performed, the needle synchronous pulley 2 cooperates with the shaft sleeve 3 to transmit the rotational power to the driven shaft 1, loosen the limit screw 10, and the driven shaft 1 slides down freely under the action of gravity, thereby driving the marking needle 15 to move down and press against the substrate plate 18 to be measured fixed on the slide 19; when it is necessary to lift the needle, the guide slider 9 moves along the inner cavity of the hollow guide sleeve 9 in the Z axis under the action of the ball handle 16 It can adapt to various thicknesses of substrates through the action of the ball handle 16 and gravity, and can more accurately feedback the gravity values ​​after no-load and loading while reducing the intervention of other components. Compared with the prior art, it has the following advantages: 1. The guide rod structure can increase the manual lifting stroke, so as to adapt to substrates of more thickness specifications for circle test, and realize the use of a manual needle lifting mechanism that can adapt to various thicknesses of substrates; 2. The spline structure adopted between the sleeve and the driven shaft can rotate smoothly and can be manually lifted for Z-axis movement.

[0037] Working principle:

[0038] When the manual needle lifting test device for the paint circle drawing method is needed, the structure of this case is first installed on the corresponding platform, and the needle synchronous pulley 2 is connected to the external power source through the synchronous belt. Then, when the circle drawing method is performed, the needle synchronous pulley 2 cooperates with the shaft sleeve 3 to transmit the rotational power to the driven shaft 1, and the limit screw 10 is loosened. The driven shaft 1 slides down freely under the action of gravity, thereby driving the needle 15 to move down and press against the substrate plate 18 to be tested fixed on the slide 19; when the needle needs to be lifted, the guide slider 9 moves along the Z-axis along the inner cavity of the hollow guide sleeve 9 under the action of the ball handle 16, and through the action of the ball handle 16 and gravity, it is adapted to substrates of various thicknesses, and the gravity values ​​after no load and loading can be more accurately fed back with reduced intervention from other components;

[0039] Compared with the prior art, this case has the following advantages:

[0040] 1. The guide rod structure can increase the manual lifting stroke, so as to adapt to substrates of more thickness specifications for circle testing, and realize the use of a manual needle lifting mechanism that can adapt to substrates of various thicknesses.

[0041] 2. The spline structure between the sleeve and the driven shaft can rotate smoothly and can be manually lifted for Z-axis movement.

[0042] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A manual needle lifting test device for paint circle drawing method, comprising a manual needle lifting mechanism (17), a substrate plate to be tested (18) and a slide table (19), characterized in that: The manual needle lifting mechanism (17) is composed of a driven shaft (1), a shaft sleeve (3), a guide slider (9), a bearing seat (5) and a hollow guide sleeve (7). The inner wall of the bearing seat (5) is rotatably connected to the shaft sleeve (3) through a bearing (4). The inner wall of the shaft sleeve (3) and the driven shaft (1) are splined. The guide slider (9) is slidably connected to the lower part of the inner wall of the hollow guide sleeve (7). The front side of the outer wall of the guide slider (9) is tightly pressed against a limit screw (10). The limit screw (10) is threadedly engaged with the hollow guide sleeve (7). The inner wall of the guide slider (9) is rotatably connected to the driven shaft (1) on both sides through bearing 2 (8), the lower end of the driven shaft (1) is fixedly connected to a shaft connecting block (11), the outer wall of the shaft connecting block (11) is rotatably connected to a rotary joint (13), the front side of the outer wall of the shaft connecting block (11) is threadedly connected to an adjusting screw (12), and the threaded head of the adjusting screw (12) is tightly abutted against the rotary joint (13), and the inner wall of the lower end of the rotary joint (13) is fixedly connected to the marking needle (15) through a needle clamp (14).

2. A manual needle lift test device for paint circle drawing method according to claim 1, characterized in that: The manual needle lifting mechanism (17) is located above the substrate plate (18) to be tested, and the substrate plate (18) to be tested is placed inside the slide table (19).

3. A manual needle lift test device for paint circle drawing method according to claim 1, characterized in that: The bearing seat (5) is fixedly connected to the rear side of the upper end of the upper support plate (6), and the hollow guide sleeve (7) is fixedly connected to the rear side of the lower end of the upper support plate (6).

4. A manual needle lift test device for paint circle drawing method according to claim 1, characterized in that: The outer wall of the shaft sleeve (3) is fixedly connected with a needle head synchronous pulley (2), and the outer wall of the needle head synchronous pulley (2) is connected to an external power source via a synchronous belt.

5. A manual needle lift test device for paint circle drawing method according to claim 1, characterized in that: A spherical handle (16) is fixedly connected to one side of the outer wall of the guide slider (9), and the guide slider (9) is slidably connected to the hollow guide sleeve (7).

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