Electrophoretic coating bumping test device for laboratory

Abstract

The utility model discloses an electrophoretic coating bumping test device for a laboratory, which comprises a bumping test device body, and the top and the bottom of the bumping test device body are both provided with round holes capable of being opened; and the handle lever device is inserted from the round hole which can be formed in the bottom of the bump test device body, penetrates out of the round hole which can be formed in the top of the bump test device body, and is fixed. According to the device, the adjustment design of different variables is integrated in one bump test device, so that two different test objects of workpieces and sample plates with different sizes, a certain number of steel balls with needles with different masses and test time can be realized through simple and convenient adjustment; problems existing in a visual method for testing the scratch resistance of the coating at the present stage are solved by screening proper electrophoresis product models, and finally a product evaluation model is optimized to improve a formula.

Description

TECHNICAL FIELD

[0001] The utility model relates to laboratory verification evaluation technical field, especially a kind of laboratory electrophoretic coating knock test device. BACKGROUND

[0002] Electrophoretic coating (Electrophoretic Coating, for short electrophoresis) is a kind of coating technology using electric field to make charged coating particles deposit on the surface of workpiece, its core advantage is reflected in coating uniformity high, covering strong, material utilization rate is high, economic environmental protection, high degree of automation, high production efficiency, excellent coating performance, adapt to a variety of substrates etc., widely used in automobile, household appliances, hardware industry etc.But at present in coating site due to product variety complicated, combined with construction site pretreatment, process variety, to meet the customer's requirement of scratch resistance, need to check and improve electrophoretic coating formula, process, bath solution state, packaging and transportation etc., currently more using visual method to determine scratch resistance, namely handheld two electrophoretic workpieces / sample board knock to see paint drop situation.Workpiece / sample board deformation, paint film intact is ideal test state, but there is basically no on the market.This method has the following shortcomings: ① verification difference is big, and verification efficiency is low;② many factors make paint film drop, and the reason cannot be accurately judged;③ cannot guide improvement according to electrophoretic coating formula according to on-site knock damage. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of laboratory electrophoretic coating knock test device, solve one or more of the above technical problems.

[0004] The utility model provides a kind of laboratory electrophoretic coating knock test device, it includes:

[0005] Knock test device body, the top and bottom of the knock test device body are equipped with openable round hole;

[0006] Handle rod device, the handle rod device is inserted from the bottom openable round hole of the knock test device body, passes out from the top openable round hole of the knock test device body, and the handle rod device is fixed.

[0007] In certain embodiments, the knock test device body includes top cover plate, the middle part of the top cover plate is equipped with first openable round hole, and the top cover plate can be translated to open.

[0008] In certain embodiments, the first openable round hole of the top cover plate is equipped with 3 bolts, 3 the bolts are evenly arranged around the center.

[0009] In some embodiments, the second openable circular hole at the bottom of the impact test device body is provided with three bolts, which are evenly arranged around the center.

[0010] In some embodiments, the first openable circular hole and the second openable circular hole are on the same vertical line.

[0011] In some embodiments, the handle rod device includes a handle rod device body and a base provided at the bottom of the handle rod device body.

[0012] In some embodiments, the diameter of the base of the handle rod device is greater than the diameter of the second openable circular hole.

[0013] In some embodiments, a sample plate clamp is further included, which includes:

[0014] A sample plate clamp rod, which is hollow in the middle and has a diameter greater than that of the handle rod device, so that the sample plate clamp can be sleeved on the handle rod device;

[0015] Blades provided on the sample plate clamp rod, the number of which is eight, and the eight blades are evenly arranged on the sample plate clamp rod.

[0016] In some embodiments, the impact test device body, the handle rod device and the sample plate clamp are made of high-strength hard synthetic material.

[0017] In some embodiments, a steel ball with a needle is further included, which is arranged in the impact test device body.

[0018] Beneficial effects: The utility model discloses a device specially designed for verifying and evaluating the scratch resistance of workpiece / sample plate electrophoretic coating in the laboratory. The device integrates different variable adjustment designs in one impact test device, and can realize two different test objects (workpiece and sample plate of different sizes), a certain number of steel balls with needles of different quality and test time through simple adjustment, so as to screen suitable electrophoretic product models, solve the problems existing in the visual test of coating scratch resistance at the present stage, and finally optimize the product evaluation model and improve the formula. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the laboratory electrophoretic coating impact test device of one embodiment of the utility model;

[0020] Figure 2 It is a structural schematic view of the laboratory electrophoretic coating impact test device of another embodiment of the utility model;

[0021] Figure 3 It is a structural schematic view of the handle rod device of the utility model;

[0022] Figure 4 It is the structural schematic diagram of sample plate clamp of the utility model;

[0023] Figure 5 It is the schematic diagram of sleeve handle rod device of the utility model sample plate clamp;

[0024] Figure 6 It is the structural schematic diagram of steel ball with needle of the utility model. DETAILED DESCRIPTION

[0025] In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is explained in detail below with the help of the drawings.In the following description, a lot of specific details are set forth in order to fully understand the utility model.However, the utility model can be implemented in many other ways different from the description herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the following disclosed specific implementation.

[0026] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be intervening elements present.When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present.The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be limiting.

[0027] Example 1

[0028] As Figure 1 shown, it is a laboratory electrophoretic coating bump test device, comprising:

[0029] The bump test device body 1 is provided with an openable circular hole at the top and the bottom.

[0030] Specifically,

[0031] The bump test device body 1 includes a top cover plate 11, and the first openable circular hole 111 is arranged in the middle part of the top cover plate 11, and the top cover plate 11 can be translated to open.

[0032] The first openable circular hole 111 of the top cover plate 11 is provided with three bolts, and the three bolts are arranged uniformly around the center.

[0033] The second openable circular hole 112 of the bottom of the bump test device body 1 is provided with three bolts, and the three bolts are arranged uniformly around the center.

[0034] And the first openable circular hole 111 and the second openable circular hole 112 are on the same vertical line.

[0035] Embodiment 2

[0036] As Figure 2 shown, it is a laboratory electrophoresis coating impact test device, comprising:

[0037] The impact test device body 1 is provided with an openable circular hole at the top and the bottom;

[0038] The handle rod device 2 is inserted from the bottom openable circular hole of the impact test device body 1, and the handle rod device 2 is fixed from the top openable circular hole of the impact test device body 1.

[0039] As Figure 3 shown, it is a handle rod device 2, comprising:

[0040] The handle rod device body 21 and the base 22 provided at the bottom of the handle rod device body 21.

[0041] As Figures 1-3 shown, the diameter of the base 22 of the handle rod device is greater than the diameter of the second openable circular hole 112.

[0042] As Figure 4 shown, it is a sample plate clamp 3, comprising:

[0043] The sample plate clamp rod 31 is hollow in the middle, and the diameter of the sample plate clamp rod 31 is greater than the diameter of the handle rod device 2, so that the sample plate clamp 3 can be sleeved on the handle rod device 2.

[0044] The vane 32 is provided on the sample plate clamp rod 31, and the number of the vane 32 is 8, which is uniformly arranged on the sample plate clamp rod 31.

[0045] As Figure 5 shown, it is a schematic diagram of the sample plate clamp sleeved on the handle rod device, and the sample plate clamp rod 31 is hollow in the middle, and the diameter of the sample plate clamp rod 31 is greater than the diameter of the handle rod device 2, so that the sample plate clamp 3 can be sleeved on the handle rod device 2.

[0046] As Figure 6 shown, it is a steel ball with needle 4 arranged in the impact test device body 1.

[0047] The impact test device body 1, the handle rod device 2 and the sample plate clamp 3 are made of high-strength hard synthetic material.

[0048] Working principle:

[0049] The utility model relates to a kind of laboratory verification evaluation electrophoretic coating scratch resistance, specifically a kind of knock test device, put into steel ball with needle in knock test device, workpiece is placed in knock test device ontology;Different size sample plate is symmetrically balanced inserted clamp, and the bolt in the knock test device rotatable hole is unscrewed simultaneously, then translation opens knock test device top and places clamp extension base handle rod fixedly in knock test device and closes knock test device, test according to certain requirement can verify 1, the effect of scratch resistance of different types of electrophoretic coating is compared;2, electrophoretic coating formula is screened;3, simulate electrophoretic field knock paint removal to guide electrophoretic formula improvement.

[0050] I. Experimental preparation and explanation:

[0051] ① prepare enough workpieces of different materials, sample plates;

[0052] ② prepare enough different types of pretreatment reagents;

[0053] ③ prepare enough electrophoretic coatings of different product models;

[0054] II. Experimental process:

[0055] The prepared workpieces and sample plates of different materials are first pretreated in different types, then the workpieces and sample plates with the same pretreatment are sequentially selected for electrophoretic coating using different product models and different bath ratios (multiple electrophoretic conditions are selected for electrophoresis and curing), and marks are made on the workpieces and sample plates. The relevant data are recorded in the original record. The workpieces and sample plates after electrophoresis are classified and sequentially tested in the knock test device. After a single experiment, different quality steel balls with needles are replaced to change the external force and adjust the test time. The above steps are repeated for related experimental operations and data recording to complete the experimental content.

[0056] III. Experimental result analysis:

[0057] By comparing different pretreatments, different product models, different bath ratios, different material workpieces and sample plates, maintaining a certain test gradient of external force and test time, the experimental data can be compared to compare the scratch resistance of different types of electrophoretic coating, further screen the electrophoretic coating formula, and finally simulate the knock paint removal in electrophoretic field to guide the improvement of electrophoretic formula.

[0058] In summary: the knock test device for electrophoretic coating in the laboratory provided by the utility model can compare the scratch resistance of different types of electrophoretic coating, further quickly screen the electrophoretic coating formula, and finally simulate the knock paint removal in laboratory and electrophoretic field to guide the improvement of electrophoretic formula, which has the following advantages:

[0059] The knock test device body, the handle rod device and the sample plate clamp are all made of high-strength hard synthetic material, which can effectively prevent the knocking point;

[0060] The knock test device bottom and the middle part of the top are provided with openable holes, the open hole is closed by installing a bolt when testing the workpiece, the needle steel ball cannot fall off, the open hole is opened when testing the sample plate, the handle rod with the base is inserted into the clamp with the sample plate through the bottom openable hole, and then the top cover plate is translated to close the top openable hole, the handle rod is shaken to test;

[0061] Different quality and certain number of needle steel balls can simulate different degrees of external force to compare the scratch resistance of the electrophoretic coating, and provide certain data for screening and improving the electrophoretic coating formula;

[0062] The sample plate clamp can adapt to different sizes of sample plates, and can test multiple sizes of sample plates with the aid of one clamp;

[0063] Through the above setting, the device can test the scratch resistance (knock resistance) of the electrophoretic coating of the workpiece / sample plate in the laboratory, so as to realize the effect of efficient, convenient and accurate improvement.

[0064] The above description is only the preferred mode of the utility model, and it should be pointed out that for ordinary skilled persons in the art, without departing from the creative concept of the utility model, a number of modifications and improvements can be made, which should also be regarded as within the protection scope of the utility model.

Claims

1. A laboratory electrophoretic coating chipping test device characterized by, It comprises: A knock test device body (1), the top and bottom of which are provided with openable round holes; A handle rod device (2) inserted from the bottom openable round hole of the knock test device body (1) and passing out from the top openable round hole of the knock test device body (1) and fixed.

2. A laboratory electrophoretic coating chafe test apparatus according to claim 1, characterised in that, The knock test device body (1) comprises a top cover plate (11) provided with a first openable round hole (111) in the middle part, and the top cover plate (11) can be opened horizontally.

3. A laboratory electrophoretic coating chafe test apparatus according to claim 2, characterised in that, The first openable round hole (111) of the top cover plate (11) is provided with three bolts, which are evenly arranged around the center.

4. A laboratory electrophoretic coating chafe test apparatus according to claim 3, wherein, The second openable round hole (112) of the bottom of the knock test device body (1) is provided with three bolts, which are evenly arranged around the center.

5. A laboratory electrophoretic coating chafe test apparatus according to claim 4, wherein, The first openable round hole (111) and the second openable round hole (112) are on the same vertical line.

6. A laboratory electrophoretic coating chafe test apparatus as defined in claim 1, wherein, The handle rod device (2) comprises a handle rod device body (21) and a base (22) provided at the bottom of the handle rod device body (21).

7. A laboratory electrophoretic coating chafe test apparatus according to claim 6, wherein, The diameter of the base (22) of the handle rod device is greater than the diameter of the second openable round hole (112).

8. A laboratory electrophoretic coating chafe test apparatus as claimed in claim 6, wherein, It also comprises a sample plate clamp (3), which comprises: A sample plate clamp rod (31) hollow in the middle, and the diameter of the sample plate clamp rod (31) is greater than the diameter of the handle rod device (2), so that the sample plate clamp (3) can be sleeved on the handle rod device (2); Blades (32) provided on the sample plate clamp rod (31), the number of which is 8, and the 8 blades (32) are evenly arranged on the sample plate clamp rod (31).

9. A laboratory electrophoretic coating chafe test apparatus according to claim 8, wherein, The knock test device body (1), the handle rod device (2) and the sample plate clamp (3) are all made of high-strength hard synthetic material.

10. A laboratory electrophoretic coating chafe test apparatus as defined in claim 1, wherein, It also comprises a steel ball with needle (4) provided in the knock test device body (1).

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