A pretreatment device for inspecting the coating quality of sheet metal.

Abstract

This utility model discloses a pretreatment device for inspecting the coating quality of sheet metal, including a support platform, an operating platform, a pressing mechanism, and a scribing mechanism. The support platform supports the sheet metal to be inspected, while the operating platform is arranged at an interval from the support platform, providing independent operating spaces for the pressing and scribing mechanisms and avoiding mutual interference during operation. The pressing mechanism is movably mounted on the operating platform, with its pressing end extending between the support platform and the operating platform, firmly pressing the sheet metal onto the support platform and effectively preventing slippage during scribing. The scribing mechanism is also movably mounted on the operating platform, with its cutting head extending between the support platform and the operating platform and able to reciprocate on the operating platform, scribing uniform destructive lines on the sheet metal with stable linear motion, improving scribing quality, reducing human error, and increasing inspection efficiency and accuracy.

Description

Technical Field

[0001] This application relates to the field of automotive coating quality inspection technology, and in particular to a pretreatment device for sheet metal coating quality inspection. Background Technology

[0002] In the automotive industry, coating technology is essential for improving the appearance, durability, and corrosion resistance of vehicle body and chassis materials. Therefore, automotive coating quality is a key technical indicator that automakers and material suppliers focus on. Paint film adhesion and corrosion resistance are two important indicators of coating quality. The test for paint film adhesion involves drawing cross-shaped destructive lines at varying intervals on the paint film surface, then removing the damaged paint film with tape, and calculating the adhesion grade based on the area of ​​peeling. The test for paint film corrosion resistance involves creating destructive lines on the paint film surface that extend to the substrate, then placing the substrate in a salt spray chamber and testing it according to different salt spray standards. Finally, the corrosion resistance of the paint film is judged based on the width of the destructive lines. Both of these tests involve scribing lines on the substrate surface.

[0003] When testing the adhesion and corrosion resistance of paint films, single-blade and multi-blade cutting tools are currently used to scribing the boards to be tested. This process is prone to relative slippage between the board and the supporting surface, resulting in scribing failure or poor scribing quality, which affects the accuracy of the adhesion and corrosion resistance evaluation. Utility Model Content

[0004] In view of the deficiencies in the prior art, this application provides a pretreatment device for inspecting the coating quality of sheet metal, so as to solve the problem of poor accuracy in the inspection of sheet metal surface coating in the prior art.

[0005] The above-mentioned objectives of this application are mainly achieved through the following technical solutions:

[0006] A pretreatment device for inspecting the coating quality of sheet metal, the pretreatment device comprising:

[0007] A support platform used to support the sheet material to be tested;

[0008] An operating platform is located on the supporting platform and is arranged at intervals from the supporting platform;

[0009] A pressing mechanism is movably mounted on the operating platform, and the pressing mechanism has a pressing end extending between the support platform and the operating platform, the pressing end being used to press the plate on the support platform;

[0010] A scribing mechanism is movably mounted on the operating platform, and the scribing mechanism is provided with a cutting head extending between the support platform and the operating platform. The scribing mechanism can reciprocate on the operating platform, and the cutting head is used to scribble a destructive line on the plate.

[0011] In an optional implementation, the support platform has at least two mutually perpendicular scale lines.

[0012] In an optional embodiment, the pressing mechanism includes at least two first operating rods passing through the operating platform, and one end of each of the two first operating rods is provided with a first handle fixedly connected to it.

[0013] In an optional embodiment, an elastic element is sleeved on the first operating lever, and the two ends of the elastic element abut against the first grip and the operating platform.

[0014] In an optional embodiment, the marking mechanism includes at least one second operating rod passing through the operating platform, and one end of the second operating rod is provided with a second handle fixedly connected to it.

[0015] In an optional embodiment, an elastic element is sleeved on the second operating lever, and the two ends of the elastic element abut against the second grip and the operating platform.

[0016] In an optional embodiment, the operating platform is provided with a first guide groove and a second guide groove. A first slider connected to the pressing mechanism is movably provided in the first guide groove, and a second slider connected to the marking mechanism is movably provided in the second guide groove.

[0017] In an optional embodiment, the operating platform is provided with a rotatable rotating plate, and the pressing mechanism and the marking mechanism are disposed on the rotating plate and rotate synchronously with the rotating plate.

[0018] In an optional embodiment, the operating platform is provided with angle scale lines, and the rotating plate is provided with reference lines that can be read corresponding to the angle scale lines.

[0019] In an optional implementation, a plurality of support columns are provided between the support platform and the operating platform.

[0020] Compared with the prior art, the advantages of this application are:

[0021] The pretreatment device in this application is used for pretreatment operations in the quality inspection of sheet metal coating. The pretreatment device includes a support platform, an operating platform, a pressing mechanism, and a scribing mechanism. The support platform is used to support the sheet metal to be inspected. The operating platform is disposed on the support platform and arranged at intervals from the support platform. The pressing mechanism is movably disposed on the operating platform and has a pressing end extending between the support platform and the operating platform. The pressing end is used to press the sheet metal on the support platform. The scribing mechanism is movably disposed on the operating platform and has a cutting head extending between the support platform and the operating platform. The scribing mechanism can reciprocate on the operating platform, and the cutting head is used to scribble a destructive line on the sheet metal.

[0022] The support platform holds the sheet material to be inspected, while the operating platform is spaced apart from it, providing independent operating space for the pressing and scribing mechanisms and avoiding mutual interference during operation. The pressing mechanism is movably mounted on the operating platform, with its pressing end extending between the support and operating platforms, firmly pressing the sheet material onto the support platform and effectively preventing slippage during scribing. The scribing mechanism is also movably mounted on the operating platform, with its cutting head extending between the support and operating platforms and reciprocating on the operating platform to scribble uniform destructive lines on the sheet material with stable linear motion, ensuring the accuracy and quality of the scribing.

[0023] From a kinetic perspective, the pressing mechanism uses vertical pressing motion, employing gravity and mechanical pressure to fix the sheet material onto the support platform, ensuring that the sheet material does not slip relative to the platform during the scribing process. Meanwhile, the reciprocating linear motion of the scribing mechanism, through its stable trajectory and precise blade positioning, avoids the jitter and unevenness that can occur with manual scribing. The separate arrangement of the support platform and the operating platform ensures that the movements of the pressing and scribing mechanisms do not interfere with each other; they work collaboratively. The pressing mechanism first fixes the sheet material, and then the scribing mechanism performs the scribing operation, ensuring the high efficiency and reliability of the entire pre-processing procedure.

[0024] This technology not only solves the problem of sheet material slippage in existing technologies but also improves scribing quality, reduces human error, and enhances inspection efficiency and accuracy. The vertical pressing motion of the pressing mechanism and the reciprocating linear motion of the scribing mechanism work together to ensure stable sheet material fixation and uniform scribing. Furthermore, the movable pressing and scribing mechanisms can be flexibly adjusted to accommodate sheets of different sizes and shapes, improving the device's versatility and adaptability. This gives it significant technical advantages and broad application prospects in the field of automotive coating quality inspection. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the preprocessing apparatus provided in the embodiments of this application;

[0027] Figure 2 A side view of the preprocessing apparatus provided in an embodiment of this application;

[0028] In the diagram: 100, support platform; 101, scale line; 102, support column; 200, operating platform; 201, rotating plate; 202, first guide groove; 203, second guide groove; 204, first slider; 205, second slider; 301, pressing end; 302, first operating lever; 303, first handle; 401, cutter head; 402, second operating lever; 403, second handle; 500, elastic element. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that the description of these embodiments is intended to aid in understanding the present invention, but does not constitute a limitation thereof. The specific structural and functional details disclosed herein are only for describing exemplary embodiments of the present invention. However, the present invention may be embodied in many alternative forms and should not be construed as being limited to the embodiments described herein.

[0030] like Figure 1 , Figure 2 As shown, Figure 1 This is a schematic diagram of the preprocessing apparatus provided in the embodiments of this application; Figure 2 This is a side view of a pretreatment device provided in an embodiment of this application; a pretreatment device for inspecting the coating quality of sheet metal, the pretreatment device including a support platform 100, an operating platform 200, a pressing mechanism, and a scribing mechanism, wherein:

[0031] like Figure 1 , Figure 2 As shown, the support platform 100 is used to support the sheet material to be inspected. The support platform 100 is the foundation of the entire pretreatment device. Its main function is to support the sheet material to be inspected, providing a stable support surface for subsequent inspection operations. The support platform 100 is typically made of high-strength materials to ensure it can withstand sheet materials of different sizes and weights while maintaining flatness and stability.

[0032] like Figure 1 , Figure 2 As shown, the operating platform 200 is mounted on the support platform 100 and arranged at intervals between them. This spaced arrangement provides necessary space for the pressing and marking mechanisms, allowing them to move along predetermined trajectories on the operating platform 200 without being restricted by the support platform 100. The rational layout of the operating platform 200 ensures the accuracy and stability of the pressing and marking mechanisms during operation, thus guaranteeing high-quality pre-processing.

[0033] The pressing mechanism is movably mounted on the operating platform 200, and the pressing mechanism has a pressing end 301 extending between the support platform 100 and the operating platform 200. The pressing end 301 is used to press the plate on the support platform 100.

[0034] like Figure 1 , Figure 2 As shown, the pressing mechanism is movably mounted on the operating platform 200. The key component of the pressing mechanism is the pressing end 301, which extends into the space between the support platform 100 and the operating platform 200, and acts directly on the sheet material on the support platform 100. Through the vertical pressure of the pressing end 301, the sheet material can be firmly fixed to the support platform 100, preventing slippage during the marking process. This pressing method not only ensures the stability of the sheet material but also allows for adjustment of the pressing pressure as needed to accommodate sheets of different materials and thicknesses.

[0035] like Figure 1 , Figure 2 As shown, the scribing mechanism is movably mounted on the operating platform 200, and the scribing mechanism is provided with a cutter head 401 extending between the support platform 100 and the operating platform 200. The scribing mechanism can reciprocate on the operating platform 200, and the cutter head 401 is used to scribble a destructive line on the plate.

[0036] like Figure 1 , Figure 2 As shown, the scribing mechanism is also movably mounted on the operating platform 200. The scribing head 401 extends into the space between the support platform 100 and the operating platform 200, directly contacting the material. The scribing mechanism can reciprocate on the operating platform 200, allowing the blade 401 to scribble uniform and precise destructive lines on the material. The scribing mechanism not only ensures the straightness and depth of the scribing lines but also allows adjustment of the spacing and length of the scribing lines according to inspection requirements, thereby meeting the needs of different inspection standards.

[0037] In an optional embodiment, the pretreatment device of this application is applied to the pretreatment operation of sheet metal coating quality inspection. The pretreatment device includes a support platform 100, an operating platform 200, a pressing mechanism, and a scribing mechanism. The support platform 100 is used to support the sheet metal to be inspected. The operating platform 200 is disposed on the support platform 100 and spaced apart from the support platform 100. The pressing mechanism is movably disposed on the operating platform 200 and has a pressing end 301 extending between the support platform 100 and the operating platform 200. The pressing end 301 is used to press the sheet metal on the support platform 100. The scribing mechanism is movably disposed on the operating platform 200 and has a cutting head 401 extending between the support platform 100 and the operating platform 200. The scribing mechanism can reciprocate on the operating platform 200, and the cutting head 401 is used to scribble a destructive line on the sheet metal.

[0038] like Figure 1 , Figure 2 As shown, the support platform 100 supports the sheet material to be inspected, while the operating platform 200 is arranged at an interval from the support platform 100, providing independent operating space for the pressing mechanism and the scribing mechanism, thus avoiding mutual interference during operation. The pressing mechanism is movably mounted on the operating platform 200, with the pressing end 301 extending between the support platform 100 and the operating platform 200, firmly pressing the sheet material onto the support platform 100 and effectively preventing slippage of the sheet material during scribing. The scribing mechanism is also movably mounted on the operating platform 200, with its cutting head 401 extending between the support platform 100 and the operating platform 200, and can reciprocate on the operating platform 200, scribing uniform destructive lines on the sheet material with stable linear motion, ensuring the accuracy and quality of the scribing.

[0039] like Figure 1 , Figure 2 As shown, from the perspective of motion principle, the pressing mechanism uses gravity and mechanical pressure to fix the sheet material onto the support platform 100 through vertical pressing motion, ensuring that the sheet material does not slip relative to the support platform during the scribing process. Meanwhile, the reciprocating linear motion of the scribing mechanism, through a stable motion trajectory and precise positioning of the cutter head 401, avoids the shaking and unevenness that may occur with manual scribing. The separate arrangement of the support platform 100 and the operating platform 200 ensures that the movements of the pressing mechanism and the scribing mechanism do not interfere with each other. They work together, with the pressing mechanism first fixing the sheet material and then the scribing mechanism performing the scribing operation, ensuring the high efficiency and reliability of the entire pre-processing process.

[0040] This technology not only solves the problem of sheet material slippage in existing technologies but also improves scribing quality, reduces human error, and enhances inspection efficiency and accuracy. The vertical pressing motion of the pressing mechanism and the reciprocating linear motion of the scribing mechanism work together to ensure stable sheet material fixation and uniform scribing. Furthermore, the movable pressing and scribing mechanisms can be flexibly adjusted to accommodate sheets of different sizes and shapes, improving the device's versatility and adaptability. This gives it significant technical advantages and broad application prospects in the field of automotive coating quality inspection.

[0041] like Figure 1 , Figure 2 As shown, in an optional embodiment, the support platform 100 is provided with at least two mutually perpendicular scale lines 101. These scale lines 101 provide operators with precise positioning references, enabling the plate to be inspected to be accurately placed in the predetermined position, thereby ensuring the accuracy of the scribing operation.

[0042] In addition, the scale line 101 can assist in the reference of multiple parallel destruction lines. The operation can be completed by moving the plate a unit distance in parallel each time, in conjunction with the reciprocating movement of the tool. Moreover, when dealing with plates of different specifications, the scale line 101 can be used to quickly align them, improving the efficiency and accuracy of the inspection.

[0043] like Figure 1 , Figure 2 As shown, in an optional embodiment, the pressing mechanism includes at least two first operating rods 302 passing through the operating platform 200, and one end of each of the two first operating rods 302 is fixedly connected to a first handle 303. The operator can easily operate the pressing mechanism by gripping the first handle 303 to press and release the material. The two first operating rods 302 not only provide a more stable pressing effect but also can be flexibly adjusted according to the size and shape of the material to ensure a uniform distribution of pressing force.

[0044] like Figure 1 , Figure 2 As shown, in an optional embodiment, an elastic element 500 is sleeved on the first operating lever 302, with both ends of the elastic element 500 abutting between the first handle 303 and the operating platform 200. The elastic element 500 provides a buffering and automatic reset function for the pressing mechanism. When the operator presses the first handle 303, the elastic element 500 is compressed, generating an elastic deformation force; when the handle is released, the deformation restoring force of the elastic element 500 allows the pressing mechanism to automatically return to its initial position, improving the convenience and efficiency of operation. Simultaneously, the elastic element 500 can also absorb impact forces during operation to a certain extent, protecting the structural stability of the device.

[0045] like Figure 1 , Figure 2 As shown, in an optional embodiment, the marking mechanism includes at least one second operating lever 402 passing through the operating platform 200, with a fixedly connected second handle 403 at one end. The operator can grip the second handle 403 to flexibly control the movement of the marking mechanism. The second operating lever 402 enables the marking mechanism to perform precise reciprocating motion on the operating platform 200, ensuring the straightness and uniformity of the marked lines. Furthermore, the second handle 403 provides a good operating feel and reduces operator fatigue.

[0046] like Figure 1 , Figure 2 As shown, in an optional embodiment, an elastic element 500 is sleeved on the second operating lever 402, with both ends of the elastic element 500 abutting between the second handle 403 and the operating platform 200. The elastic element 500 on the scribing mechanism also serves as a buffer and automatic reset function. Before the operator pushes or pulls the second handle 403, the second operating lever 402 needs to be pressed until the scribing mechanism contacts the board material before the scribing operation is performed. In addition, the elastic element 500 can provide appropriate resistance, making the scribing process smoother. At the same time, after the scribing is completed, the elastic force of the elastic element 500 can automatically pull the scribing mechanism back to its initial position, improving the continuity and efficiency of the operation, and also separating the scribing mechanism from the board material, thus improving reliability.

[0047] like Figure 1 , Figure 2 As shown, in an optional embodiment, the operating platform 200 is provided with a first guide groove 202 and a second guide groove 203. A first slider 204, movably connected to the pressing mechanism, is movably disposed within the first guide groove 202, and a second slider 205, movably connected to the scribing mechanism, is movably disposed within the second guide groove 203. This provides precise guidance for the movement of the pressing and scribing mechanisms. The first slider 204 and the second slider 205 move within the first guide groove 202 and the second guide groove 203 respectively, ensuring the linearity, accuracy, and stability of the pressing and scribing operations. Through the cooperation of the guide grooves and sliders, the operator can easily adjust the positions of the pressing and scribing mechanisms to adapt to different sizes of plates and different testing requirements.

[0048] like Figure 1 , Figure 2As shown, in an optional embodiment, the operating platform 200 is equipped with a rotatable rotating plate 201. The pressing mechanism and the scribing mechanism are mounted on the rotating plate 201 and rotate synchronously with it. This allows the pressing mechanism and the scribing mechanism to be adjusted in angle as needed. By rotating the rotating plate 201, the operator can easily change the direction of pressing and scribing to meet the requirements of different testing standards. This rotatable rotating plate 201 greatly improves the flexibility and versatility of the device, enabling it to adapt to various complex testing scenarios.

[0049] like Figure 1 As shown, in an optional embodiment, the operating platform 200 is provided with an angle scale line 101, and the rotating plate 201 is provided with a reference line that can be read corresponding to the angle scale line 101.

[0050] The angle scale line 101 and the reference line provide a precise reference for adjusting the angle of the rotating plate 201. Operators can accurately adjust the angle of the rotating plate 201 by observing the correspondence between the reference line and the angle scale line 101, ensuring that the direction of the pressing and marking operations meets the testing requirements. This not only improves operational accuracy but also reduces testing errors caused by angle inaccuracies.

[0051] like Figure 1 , Figure 2 As shown, in an optional embodiment, a plurality of support columns 102 are provided between the support platform 100 and the operating platform 200. The provision of support columns 102 further enhances the structural stability of the device. The multiple support columns 102 are evenly distributed between the support platform 100 and the operating platform 200, providing stable support for the operating platform 200 and ensuring its flatness and stability during operation. Simultaneously, the support columns 102 also help maintain the spacing between the support platform 100 and the operating platform 200, providing sufficient space for the movement of the pressing mechanism and the marking mechanism.

[0052] It should be understood that the terms "first," "second," etc., are used only for distinguishing descriptions and should not be construed as indicating or implying relative importance. Although the terms "first," "second," etc., may be used herein to describe various units, these units should not be limited by these terms. These terms are only used to distinguish one unit from another. For example, a first unit may be referred to as a second unit, and similarly, a second unit may be referred to as a first unit, without departing from the scope of the exemplary embodiments of this utility model.

[0053] It should be understood that the term "and / or" in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can mean: A exists alone, B exists alone, and A and B exist simultaneously. The term " / and" in this article describes another relationship between related objects, indicating that two relationships can exist. For example, A / and B can mean: A exists alone, and A and B exist alone. In addition, the character " / " in this article generally indicates that the related objects before and after it are in an "or" relationship.

[0054] It should be understood that in the description of this utility model, the terms "upper," "vertical," "inner," "outer," etc., indicate the orientation or positional relationship when the disclosed product is used, or the orientation or positional relationship commonly understood by those skilled in the art. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0055] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect" 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 direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0056] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments of the present invention. As used herein, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the terms “comprising,” “including,” “containing,” and / or “including” as used herein specify the presence of the stated features, integers, steps, operations, units, and / or components, and do not exclude the presence or addition of one or more other features, quantities, steps, operations, units, components, and / or combinations thereof.

[0057] Specific details are provided in the following description to provide a complete understanding of the exemplary embodiments. However, those skilled in the art will understand that the exemplary embodiments can be implemented without these specific details. In other embodiments, well-known processes, structures, and techniques may be omitted in the depiction of non-essential details to avoid obscuring the exemplary embodiments.

[0058] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

[0059] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this disclosure, and therefore may include information that does not constitute prior art known to those skilled in the art.

Claims

1. A pretreatment device for inspecting the coating quality of sheet metal, characterized in that, The pretreatment device includes: A support platform used to support the boards to be tested; An operating platform is located on the supporting platform and is arranged at intervals from the supporting platform; A pressing mechanism is movably mounted on the operating platform, and the pressing mechanism has a pressing end extending between the support platform and the operating platform, the pressing end being used to press the plate on the support platform; A scribing mechanism is movably mounted on the operating platform, and the scribing mechanism is provided with a cutting head extending between the support platform and the operating platform. The scribing mechanism can reciprocate on the operating platform, and the cutting head is used to scribble a destructive line on the plate.

2. The pretreatment device for inspecting the coating quality of sheet metal as described in claim 1, characterized in that: The support platform has at least two mutually perpendicular scale lines.

3. The pretreatment device for inspecting the coating quality of sheet metal as described in claim 1, characterized in that: The pressing mechanism includes at least two first operating rods that pass through the operating platform, and one end of each of the two first operating rods is provided with a first handle that is fixedly connected to it.

4. The pretreatment device for inspecting the coating quality of sheet metal as described in claim 3, characterized in that: An elastic element is sleeved on the first operating lever, and the two ends of the elastic element abut against the first grip and the operating platform.

5. The pretreatment device for inspecting the coating quality of sheet metal as described in claim 1, characterized in that: The marking mechanism includes at least one second operating lever that passes through the operating platform, and one end of the second operating lever is provided with a second handle that is fixedly connected.

6. The pretreatment device for inspecting the coating quality of sheet metal as described in claim 5, characterized in that: An elastic element is fitted onto the second operating lever, and the two ends of the elastic element abut against the second grip and the operating platform.

7. The pretreatment device for inspecting the coating quality of sheet metal as described in claim 1, characterized in that: The operating platform is provided with a first guide groove and a second guide groove. A first slider connected to the pressing mechanism is movably provided in the first guide groove, and a second slider connected to the marking mechanism is movably provided in the second guide groove.

8. The pretreatment device for inspecting the coating quality of sheet metal as described in claim 1, characterized in that: The operating platform is equipped with a rotatable rotating plate. The pressing mechanism and the marking mechanism are mounted on the rotating plate and rotate synchronously with it.

9. The pretreatment device for inspecting the coating quality of sheet metal as described in claim 8, characterized in that: The operating platform is provided with angle scale lines, and the rotating plate is provided with reference lines that can be read corresponding to the angle scale lines.

10. The pretreatment device for inspecting the coating quality of sheet metal as described in claim 1, characterized in that: Multiple support columns are provided between the support platform and the operating platform.

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