Pressure-controllable testing mechanism

Abstract

The invention relates to a pressure-controllable testing mechanism, comprising: a horizontal guide rail, one end of which is provided with a slide block for driving a jig fixed with the horizontal guide rail to move; one side of the jig is profiled with the product and used for supporting and fixing the product, and a handle is arranged at the other end of the jig and used for being manually held to pull the jig; a lifting table is arranged on one side of the vertical guide rail, a connecting plate is fixed at the other end of the vertical guide rail, and a through hole is formed in the connecting plate, so that the trapezoidal lead screw penetrates through the through hole to be connected with the lifting table; the pull and push dynamometer is fixed on the lifting platform and can display pressure data, and one end of the pull and push dynamometer is connected with the blade and used for drawing checks on the product; the hand wheel is provided with a trapezoidal lead screw, and under the action of manually rotating the hand wheel, the lifting platform connected with the trapezoidal lead screw drives the blade to move. The beneficial effects are that the displacement of the blade is controlled and adjusted by manually rotating the hand wheel and observing data displayed by the pull and push dynamometer at the same time; when a product moves, checks with consistent specifications are scribed under the action of the blade, namely, the result of a cross-check test of the product is more stable.

Description

[Technical field]

[0001] The invention relates to the technical field of automated testing mechanisms, in particular to a pressure-controllable testing mechanism. [Background technology]

[0002] The 100-grid test is a national standard test method for testing the adhesion of product coatings or platings. It is to draw squares of equal size on the coating or plating, and then pull it with a special tape, and judge the adhesion based on the shedding of the coating (plating).

[0003] Currently, when performing a grid test on a product, a special grid knife or a utility knife is used to manually draw squares on the coating surface of the product for testing. However, when using this test method, since the force of drawing the grid cannot be controlled to be consistent, the test results will be unstable due to different forces.

[0004] In view of this, it is necessary to provide a pressure controllable testing mechanism to solve the above problems. [Summary of the invention]

[0005] The technical problem to be solved by the present invention is that: currently, when a grid test is performed on a product, a special grid knife or a utility knife is used to manually draw grids on the coating surface of the product for testing. However, when using this testing method, since the force of drawing the grids cannot be controlled to be consistent, the test results under different forces will be unstable. Therefore, the present invention provides a pressure controllable testing mechanism to solve the above problem.

[0006] The solution of the present invention to solve the technical problem is: a pressure controllable testing mechanism, comprising:

[0007] A bottom plate, the bottom plate is used to connect and support the entire mechanism;

[0008] A horizontal guide rail, the horizontal guide rail is fixed to the bottom plate, a slider is movably provided at one end of the horizontal guide rail, and the slider can drive the fixture to move along the horizontal guide rail, so as to control and adjust the displacement of the product in the horizontal direction;

[0009] A jig is fixed on the slider, one side of which is shaped like the product and is used to support and fix the product. The jig can be replaced with a jig adapted to the product according to the different specifications of the product. A handle is provided at one end of the jig, and the handle is convenient for manual pulling of the jig by holding it, so that the product placed on the jig is scratched into a square under the action of the blade;

[0010] A vertical guide rail, wherein the vertical guide rail is fixed on a fixed block, and the fixed block is fixed on a bottom plate for supporting and fixing the vertical guide rail. A support plate is fixed on the fixed block, and the support plate is used to support and fix the vertical guide rail. A lifting platform is movably provided on one side of the vertical guide rail, and a connecting plate is fixed on the other end. The connecting plate is provided with a through hole, so that a trapezoidal screw controlled by a hand wheel can pass through the through hole and be fixedly connected to the lifting platform, so that when the hand wheel is manually turned, the trapezoidal screw controlled by the hand wheel can move, thereby making the lifting platform fixedly connected to the trapezoidal screw move along the vertical guide rail;

[0011] A push-pull force gauge is fixed on the lifting platform. One end of the push-pull force gauge is fixedly connected to a blade. When a hand wheel is manually turned, the blade moves to the end of the product. At the same time, the pressure data displayed by the push-pull force gauge is observed. The product is driven to move by manually holding the handle and pulling the fixture, so that the product is marked with squares of consistent specifications under the action of the blade.

[0012] A handwheel is fixed on a connecting plate at one end of the vertical guide rail. The handwheel is movably connected to a trapezoidal lead screw. When the handwheel is manually rotated, the trapezoidal lead screw causes a lifting platform fixedly connected to the trapezoidal lead screw to move along the vertical guide rail, thereby causing a push-pull force gauge fixed on the lifting platform to drive a blade to draw a square on the product.

[0013] Preferably, two horizontal guide rails are provided on the bottom plate to ensure the stability of the fixture during movement.

[0014] Preferably, the blade is fixed to the push-pull dynamometer by screws, which can be used for easy disassembly and ensure safety during use.

[0015] Preferably, an anti-rotation fixing piece is provided at one end of the handwheel, and the anti-rotation fixing piece fixes the handwheel through vertical movement to prevent the lifting platform and the push-pull force gauge from sliding down due to their own gravity.

[0016] The beneficial effect of the present invention is that the present invention is a pressure-controllable testing mechanism, which controls and adjusts the pressure of a blade fixedly connected to the push-pull force gauge on a product by manually turning a hand wheel and observing the data displayed by the push-pull force gauge at the same time, and then manually pulls the handle of the fixture to make the blade draw squares of uniform specifications on the product, so that the results of the product in the 100-grid test are more stable.

Brief Description of the Drawings

[0017] Figure 1 It is a structural schematic diagram of a pressure controllable testing mechanism of the present invention.

[0018] Figure 2 It is a structural schematic diagram of a pressure controllable testing mechanism of the present invention from another angle.

[0019] Figure 3 yes Figure 2 Cross-section view of section aa. [Specific implementation method]

[0020] To further illustrate the technical means and effects adopted by the present invention, the following is a detailed description in conjunction with the embodiments of the present invention and the accompanying drawings.

[0021] The present invention provides a pressure controllable testing mechanism, comprising:

[0022] A bottom plate 100, the bottom plate 100 is used to connect and support the entire mechanism;

[0023] A horizontal guide rail 110, wherein the horizontal guide rail 110 is fixed on the bottom plate 100, and a slider 111 is movably provided at one end of the horizontal guide rail 110, and the slider 111 can drive the fixture 120 to move along the horizontal guide rail 110, so as to control and adjust the displacement of the product in the horizontal direction;

[0024] A jig 120 is fixed on the slider 111, one side of which is shaped like the product and is used to support and fix the product. The jig 120 can be replaced with a jig 120 adapted to the product according to different specifications of the product. A handle 121 is provided at one end of the jig 120, and the handle 121 is convenient for manual pulling of the jig 120 by holding it, so that the product placed on the jig 120 is scratched into a square under the action of the blade 141;

[0025] A vertical guide rail 130, wherein the vertical guide rail 130 is fixed on a fixed block 131, wherein the fixed block 131 is fixed on the bottom plate 100 and is used to support and fix the vertical guide rail 130, wherein a support plate 132 is fixed on the fixed block 131, wherein the support plate 132 is used to support and fix the vertical guide rail 130, wherein a lifting platform 133 is movably provided on one side of the vertical guide rail 130, and a connecting plate 134 is fixed on the other end, wherein the connecting plate 134 is provided with a through hole 135, wherein a trapezoidal lead screw 151 controlled by a hand wheel 150 can pass through the through hole 135 and be fixedly connected to the lifting platform 133, and when the hand wheel 150 is manually rotated, the trapezoidal lead screw 151 controlled by the hand wheel 150 can be moved, thereby causing the lifting platform 133 fixedly connected to the trapezoidal lead screw 151 to move along the vertical guide rail 130;

[0026] A push-pull force gauge 140 is fixed on the lifting platform 133. One end of the push-pull force gauge 140 is fixedly connected to a blade 141. When the hand wheel 150 is manually turned, the blade 141 moves to the end of the product. At the same time, the pressure data displayed by the push-pull force gauge 140 is observed. The product is driven to move by manually holding the handle 121 and pulling the fixture 120, so that the product is marked with squares of uniform specifications under the action of the blade 141.

[0027] A handwheel 150 is fixed on a connecting plate 134 at one end of a vertical guide rail 130. The handwheel 150 is movably connected to a trapezoidal screw 151. When the handwheel 150 is manually rotated, the trapezoidal screw 151 causes a lifting platform 133 fixedly connected to the trapezoidal screw 151 to move along the vertical guide rail 130, thereby causing the push-pull dynamometer 140 fixed on the lifting platform 133 to drive the blade 141 to draw a square on the product.

[0028] The bottom plate 100 is provided with two horizontal guide rails 110 for ensuring the stability of the fixture 120 during movement.

[0029] The blade 141 is fixed to the push-pull force gauge 140 by screws, which can be easily disassembled and ensure safety during use.

[0030] An anti-rotation fixing member 152 is provided at one end of the hand wheel 150 , and the anti-rotation fixing member 152 fixes the hand wheel 150 through vertical movement to prevent the lifting platform 133 and the push-pull force gauge 140 from sliding down due to their own gravity.

[0031] The working process of the present invention is as follows: the product is placed on the fixture 120, and the hand wheel 150 is manually rotated to control and adjust the trapezoidal lead screw 151, so that the lifting platform 133 fixedly connected thereto drives the blade 141 on the push-pull force gauge 140 to move along the vertical guide rail 130 to the product end, and at the same time, the data displayed by the push-pull force gauge 140 is observed. When the set data is reached, the hand wheel 150 is stopped from being rotated, and the hand wheel 150 is fixed by an anti-rotation fixing part 152 to prevent the lifting platform 133 and the push-pull force gauge 140 from sliding down due to their own gravity, and then the handle 121 on the fixture 120 is pulled to drive the product to move on the horizontal guide rail 110, that is, the product draws a square under the action of the blade 141.

[0032] The beneficial effect of the present invention is that the present invention is a pressure-controllable testing mechanism, which controls and adjusts the pressure of the blade 141 fixedly connected to the push-pull force gauge 140 on the product by manually rotating the hand wheel 150 and observing the data displayed by the push-pull force gauge 140 at the same time, and then under the action of manually pulling the handle 121 of the fixture 120, the blade 141 draws squares of uniform specifications on the product, so that the results of the product in the hundred-grid test are more stable.

[0033] It should be pointed out that the present invention is not limited to the above-mentioned implementation modes, and any simple modifications, equivalent changes and modifications made to the above-mentioned embodiments by any technician familiar with the profession based on the technical solution of the present invention fall within the protection scope of the present invention.

Claims

1. A pressure controllable testing mechanism, characterized in that: include: A bottom plate, the bottom plate is used to connect and support the entire mechanism; A horizontal guide rail, the horizontal guide rail is fixed to the bottom plate, a slider is movably provided at one end of the horizontal guide rail, and the slider can drive the fixture to move along the horizontal guide rail, so as to control and adjust the displacement of the product in the horizontal direction; A jig is fixed on the slider, one side of which is shaped like the product and is used to support and fix the product. The jig can be replaced with a jig adapted to the product according to the different specifications of the product. A handle is provided at one end of the jig, and the handle is convenient for manual pulling of the jig by holding it, so that the product placed on the jig is scratched into a square under the action of the blade; A vertical guide rail, wherein the vertical guide rail is fixed on a fixed block, and the fixed block is fixed on a bottom plate for supporting and fixing the vertical guide rail. A support plate is fixed on the fixed block, and the support plate is used to support and fix the vertical guide rail. A lifting platform is movably provided on one side of the vertical guide rail, and a connecting plate is fixed on the other end. The connecting plate is provided with a through hole, so that a trapezoidal screw controlled by a hand wheel can pass through the through hole and be fixedly connected to the lifting platform, so that when the hand wheel is manually turned, the trapezoidal screw controlled by the hand wheel can move, thereby making the lifting platform fixedly connected to the trapezoidal screw move along the vertical guide rail; A push-pull force gauge is fixed on the lifting platform. One end of the push-pull force gauge is fixedly connected to a blade. When a hand wheel is manually turned, the blade moves to the end of the product. At the same time, the pressure data displayed by the push-pull force gauge is observed. The product is driven to move by manually holding the handle and pulling the fixture, so that the product is marked with squares of consistent specifications under the action of the blade. A handwheel is fixed on a connecting plate at one end of the vertical guide rail. The handwheel is movably connected to a trapezoidal lead screw. When the handwheel is manually rotated, the trapezoidal lead screw causes a lifting platform fixedly connected to the trapezoidal lead screw to move along the vertical guide rail, thereby causing a push-pull force gauge fixed on the lifting platform to drive a blade to draw a square on the product.

2. A pressure controllable testing mechanism as claimed in claim 1, characterized in that: Two horizontal guide rails are arranged on the bottom plate to ensure the stability of the fixture during movement.

3. A pressure controllable testing mechanism as claimed in claim 1, characterized in that: The blade is fixed on the push-pull dynamometer by screws, which can be used for easy disassembly and ensure safety during use.

4. A pressure controllable testing mechanism as claimed in claim 1, characterized in that: An anti-rotation fixing piece is provided at one end of the hand wheel, and the anti-rotation fixing piece fixes the hand wheel through vertical movement to prevent the lifting platform and the push-pull force gauge from sliding down due to their own gravity.

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