Surface grinding device for steel plate inspection

Abstract

The utility model relates to a surface polishing device for steel plate inspection, which comprises a machining seat, a first pressing assembly is arranged on one side of the machining seat, a second pressing assembly is arranged on the other side of the machining seat, the second pressing assembly is arranged on a movable frame, and the movable frame is connected with a first electric push rod on the machining seat through a tension sensor. The first pressing assembly and the second pressing assembly are used for pressing and positioning a to-be-polished steel plate, the first electric push rod is used for stretching the pressed steel plate, a moving frame is arranged above the machining base and driven to transversely move through a moving mechanism on the machining base, and the top of the moving frame is connected with the second electric push rod. The bottom ends of the second electric push rods are connected with polishing adsorption assemblies. The device can stretch a steel plate, so that the steel plate is polished when deformed, the state of the deformed automobile steel plate is simulated, and longitudinal stripe defects of the steel plate are identified and graded.

Description

Technical Field

[0001] The utility model relates to the field of steel plate inspection, in particular to a surface grinding device used for steel plate inspection. Background Art

[0002] The presence of longitudinal stripe defects on the surface of automobile steel plates will seriously affect the subsequent coating quality. Steel companies usually use oilstone to grind the strip surface online or use micro-punching samples for offline grinding to inspect the quality of steel plates. However, since the mechanism of longitudinal stripe defects is relatively complex and the revealed appearances are also of different types, the online grinding tension is difficult to control and affects production efficiency, and the micro-punching samples are not conducive to accurate inspection and judgment due to their fixed deformation. Therefore, a surface grinding device for steel plate inspection is needed to solve the shortcomings of online grinding of strip steel and offline grinding of micro-punching samples. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a surface grinding device for steel plate inspection, which can reflect the longitudinal stripe defects of the steel plate and solve the problem of inaccurate inspection of the steel plate by online grinding of strip steel and offline grinding of micro-punching samples.

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

[0005] A surface grinding device for steel plate inspection includes a processing seat, a first clamping assembly is provided on one side of the processing seat, a second clamping assembly is provided on the other side of the processing seat, the second clamping assembly is arranged on a movable frame, the movable frame is connected to a first electric push rod on the processing seat through a tension sensor, the first clamping assembly and the second clamping assembly are used to clamp and position the steel plate to be ground, the first electric push rod is used to stretch the clamped steel plate, a moving frame is provided above the processing seat, the moving frame is driven to move horizontally by a moving mechanism on the processing seat, the top of the moving frame is connected to the second electric push rod, and the bottom end of the second electric push rod is connected to the grinding adsorption assembly.

[0006] The first clamping assembly includes a first fastening bolt threadedly connected to the processing seat, the bottom end of the first fastening bolt is rotatably connected to the first pressing plate, a pad is provided on the processing seat below the first pressing plate, and the first fastening bolt drives the first pressing plate to press the steel plate onto the pad.

[0007] The second clamping assembly is symmetrically connected to the movable frame, and includes a second fastening bolt threadedly connected to the movable frame. The bottom end of the second fastening bolt is rotatably connected to the second pressing plate, and the second fastening bolt drives the second pressing plate to clamp the steel plate.

[0008] The movable frame is symmetrically provided with two steel plate brackets for connecting the second clamping assembly.

[0009] The moving mechanism includes a screw rod rotatably connected to a longitudinal side of a processing seat, the longitudinal side of the processing seat on the opposite side of the screw rod is fixedly connected to a guide rod, the screw rod is driven to rotate by a driving assembly, the driving assembly includes a first bevel gear fixedly sleeved on the screw rod, a second bevel gear meshing with the first bevel gear is provided on one side of the first bevel gear, the second bevel gear is driven to rotate by a first driving motor, the first driving motor drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear meshing with the first bevel gear to rotate, and the first bevel gear drives the screw rod to rotate.

[0010] Baffles are arranged on the outer sides of the screw rod and the guide rod.

[0011] The moving frame is door-shaped, the bottom of one end of the moving frame is threadedly connected with the screw rod of the moving mechanism, and the bottom of the other end is slidably connected with the guide rod of the moving mechanism.

[0012] The grinding and adsorption assembly includes a lifting plate fixedly connected to the second electric push rod, the bottom of the lifting plate is fixedly connected to the second drive motor, the second drive motor is fixedly connected to the rotating shaft, the bottom end of the rotating shaft is removably connected to the grinding disc, the grinding disc is divided into a grid sandpaper grinding disc and an oilstone grinding disc, the outside of the grinding disc is provided with a dust hood movably mounted on the rotating shaft, the dust hood is connected to the vacuum cleaner, and the vacuum cleaner is fixedly connected to the lifting plate.

[0013] Compared with the existing technology, the beneficial effects of the utility model are:

[0014] 1. The first clamping assembly and the second clamping assembly clamp the steel plate to be polished, and the first electric push rod can stretch the clamped steel plate, requiring the deformation of the steel plate to be within 15%. The pressure sensor is convenient for detecting the magnitude of the pulling force, and the deformation of the steel plate can be controlled, adjusted and monitored.

[0015] 2. The grinding and adsorption component works horizontally, which is convenient for mobile grinding. The grinding and adsorption component can grind the steel plate and absorb the grinding waste in time to avoid the accumulation of waste on the steel plate.

[0016] The utility model can stretch the steel plate, grind the steel plate when it is deformed, simulate the deformed state of the automobile steel plate, identify the longitudinal stripe defects of the steel plate and make classification judgments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a side view of the utility model.

[0019] Figure 3 This is a schematic diagram of the processing seat.

[0020] Figure 4 It is a structural diagram of the activity box.

[0021] In the figure: a processing seat 1, a first fastening bolt 2, a first pressure plate 3, a pad 4, a first electric push rod 5, a tension sensor 6, a movable frame 7, a second fastening bolt 8, a second pressure plate 9, a steel plate bracket 10, a screw 11, a first bevel gear 12, a first drive motor 13, a second bevel gear 14, a guide rod 15, a baffle 16, a moving frame 17, a second electric push rod 18, a lifting plate 19, a second drive motor 20, a rotating shaft 21, a grinding disc 22, a dust hood 23, and a vacuum cleaner 24. DETAILED DESCRIPTION

[0022] In the description of the present invention, it should be understood that the terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "plurality" means more than two.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0024] like Figure 1 to Figure 4 As shown, a surface grinding device for steel plate inspection includes a processing seat 1, a first clamping assembly is provided on one side of the processing seat 1, a second clamping assembly is provided on the other side of the processing seat 1, the second clamping assembly is arranged on a movable frame 7, the movable frame 7 is connected to the first electric push rod 5 on the processing seat 1 through a tension sensor 6, the first clamping assembly and the second clamping assembly are used to clamp and position the steel plate to be polished, the first electric push rod 5 is used to stretch the clamped steel plate, a moving frame 17 is provided above the processing seat 1, the moving frame 17 is driven to move horizontally by the moving mechanism on the processing seat 1, the top of the moving frame 17 is connected to the second electric push rod 18, and the bottom end of the second electric push rod 18 is connected to the polishing adsorption assembly. The moving frame 17 drives the polishing adsorption assembly to move and polish, and the polishing adsorption assembly also synchronously absorbs dust during polishing, so as to conveniently absorb waste chips.

[0025] The first clamping assembly includes a first fastening bolt 2 threadedly connected to the processing seat 1, the bottom end of the first fastening bolt 2 is rotatably connected to the first pressing plate 3, a pad 4 is provided on the processing seat 1 below the first pressing plate 3, and the first fastening bolt 2 drives the first pressing plate 3 to press the steel plate onto the pad 4.

[0026] The second clamping assembly is symmetrically connected to the movable frame 7, including a second fastening bolt 8 threadedly connected to the movable frame 7, the bottom end of the second fastening bolt 8 is rotatably connected to the second pressing plate 9, and the second fastening bolt 8 drives the second pressing plate 9 to clamp the steel plate.

[0027] The movable frame 7 is symmetrically provided with two steel plate brackets 10 for connecting the second clamping assembly.

[0028] The moving mechanism includes a screw 11 rotatably connected to a longitudinal side of a processing seat, and the longitudinal side of the processing seat on the opposite side of the screw 11 is fixedly connected to a guide rod 15. The screw 11 is driven to rotate by a driving assembly, and the driving assembly includes a first bevel gear 12 fixedly sleeved on the screw 11. A second bevel gear 14 meshing with the first bevel gear 12 is provided on one side of the first bevel gear 12. The second bevel gear 14 is driven to rotate by a first driving motor 13. The first driving motor 13 drives the second bevel gear 14 to rotate, and the second bevel gear 14 drives the first bevel gear 12 meshing with it to rotate, and the first bevel gear 12 drives the screw 11 to rotate.

[0029] Baffles 16 are provided on the outer sides of the screw rod 11 and the guide rod 15 .

[0030] The moving frame 17 is door-shaped, and the bottom of one end of the moving frame is threadedly connected to the screw rod 11 of the moving mechanism, and the bottom of the other end is slidably connected to the guide rod 15 of the moving mechanism.

[0031] The grinding and adsorption assembly includes a lifting plate 19 fixedly connected to the second electric push rod 18, the bottom of the lifting plate 19 is fixedly connected to the second drive motor 20, the second drive motor 20 is fixedly connected to the rotating shaft 21, the bottom end of the rotating shaft 21 is removably connected to the grinding disc 22, the grinding disc 22 is divided into a grid sandpaper grinding disc and an oilstone grinding disc, the specification of the oilstone or grid sandpaper is 400-800 mesh, the outside of the grinding disc 22 is provided with a dust hood 23 movably mounted on the rotating shaft 21, the dust hood 23 is connected to the vacuum cleaner 24, and the vacuum cleaner 24 is fixedly connected to the lifting plate 19.

[0032] The method for inspecting the steel plate is as follows: placing the steel plate to be polished on the pad 4 and the steel plate bracket 10, and rotating the first fastening bolt 2 and the second fastening bolt 8, which will drive the first pressing plate 3 and the second pressing plate 9 to press the steel plate against the pad 4 and the steel plate bracket 10. At this time, the first electric push rod 5 pulls the movable frame 7, which will cause the steel plate to deform, and the deformation of the steel plate is required to be within 15%. The magnitude of the tension is controlled according to the feedback of the tension sensor, and the deformation of the steel plate is controllable and monitorable, simulating the state of the steel plate after stamping.

[0033] The first drive motor 13 drives the second bevel gear 14 to rotate, the second bevel gear 14 drives the first bevel gear 12 meshing therewith to rotate, the first bevel gear 12 drives the screw 11 to rotate, the rotation of the screw 11 drives the moving frame 17 to move, the moving frame 17 drives the second electric push rod 18 to move, the second electric push rod 18 drives the grinding and adsorption assembly to rise and fall, so that it is convenient for the grinding and adsorption assembly to be close to the steel plate for grinding. During grinding, the second drive motor 20 drives the grinding disc 22 to rotate through the rotating shaft 21, the oil stone or mesh sandpaper of the grinding disc 22 grinds the steel plate, and the vacuum cleaner 24 synchronously sucks air through the dust cover 23 to conveniently suck away the grinding waste. First, grind the steel plate once with a mesh sandpaper grinding disc, and then grind the steel plate once with an oil stone. Compare the grinding status of the steel plate with the standard steel plate, and the results are divided into three levels:

[0034] Level 1: No streaks after sanding with sandpaper and no streaks after sanding with oilstone;

[0035] Level 2: There are no streaks after sandpaper grinding, but there are slight visible fine streaks on the surface after oilstone grinding;

[0036] Level 3: There are streaks on the surface after sanding with sand screen and there are heavy and dense streaks or clearly visible streaks on the surface after polishing with oilstone;

[0037] Grade 1 and 2 are qualified steel plates, and grade 3 is unqualified steel plates.

[0038] In order to make the purpose, technical scheme and technical effect of the utility model clearer, the technical scheme in the embodiment of the utility model is now described clearly and completely. However, the embodiment described below is only a part of the embodiment of the utility model, not all of the embodiments. In combination with the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0039] Example 1

[0040] A surface grinding device for steel plate inspection includes a processing seat 1, a first clamping assembly is provided on one side of the processing seat 1, a second clamping assembly is provided on the other side of the processing seat 1, the second clamping assembly is arranged on a movable frame 7, and two steel plate brackets 10 for connecting the second clamping assembly are symmetrically provided on the movable frame 7.

[0041] The movable frame 7 is connected to the first electric push rod 5 on the processing seat 1 through the tension sensor 6. The first clamping assembly and the second clamping assembly are used to clamp and position the steel plate to be polished. The first electric push rod 5 is used to stretch the clamped steel plate. A moving frame 17 is provided above the processing seat 1. The moving frame 17 is driven to move by the moving mechanism on the processing seat 1. The moving mechanism includes a screw 11 that is rotatably connected to a longitudinal edge of the processing seat. The longitudinal edge of the processing seat on the opposite side of the screw 11 is fixedly connected to a guide rod 15. The screw 11 is driven to rotate by a driving assembly. The driving assembly includes a first bevel gear 12 fixedly sleeved on the screw 11. A second bevel gear 14 meshing with the first bevel gear 12 is provided on one side of the first bevel gear 12. The second bevel gear 14 is driven to rotate by a first driving motor 13. The first driving motor 13 drives the second bevel gear 14 to rotate. The second bevel gear 14 drives the first bevel gear 12 meshing with the first bevel gear 12 to rotate. The first bevel gear 12 drives the screw 11 to rotate. Baffles 16 are provided on the outer sides of the screw 11 and the guide rod 15.

[0042] The moving frame 17 is door-shaped, and the bottom of one end of the moving frame is threadedly connected to the screw rod 11 of the moving mechanism, and the bottom of the other end of the moving frame is slidably connected to the guide rod 15 of the moving mechanism.

[0043] The top of the moving frame 17 is connected to the second electric push rod 18, and the bottom of the second electric push rod 18 is connected to the grinding and adsorption assembly. The grinding and adsorption assembly includes a lifting plate 19 fixedly connected to the second electric push rod 18, the bottom of the lifting plate 19 is fixedly connected to the second drive motor 20, the second drive motor 20 is fixedly connected to the rotating shaft 21, the bottom of the rotating shaft 21 is detachably connected to the grinding disc 22, the grinding disc 22 is divided into a grid sandpaper grinding disc and an oilstone grinding disc, the outside of the grinding disc 22 is provided with a dust cover 23 movably sleeved on the rotating shaft 21, the dust cover 23 is connected to a dust collector 24, and the dust collector 24 is fixedly connected to the lifting plate 19.

[0044] The first clamping assembly includes a first fastening bolt 2 threadedly connected to the processing seat 1, the bottom end of the first fastening bolt 2 is rotatably connected to the first pressing plate 3, a pad 4 is provided on the processing seat 1 below the first pressing plate 3, and the first fastening bolt 2 drives the first pressing plate 3 to press the steel plate onto the pad 4.

[0045] The second clamping assembly is symmetrically connected to the movable frame 7, including a second fastening bolt 8 threadedly connected to the movable frame 7, the bottom end of the second fastening bolt 8 is rotatably connected to the second pressing plate 9, and the second fastening bolt 8 drives the second pressing plate 9 to clamp the steel plate.

[0046] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and basic spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A surface grinding device for steel plate inspection, characterized in that: It includes a processing seat, a first clamping assembly is provided on one side of the processing seat, a second clamping assembly is provided on the other side of the processing seat, the second clamping assembly is arranged on a movable frame, the movable frame is connected to the first electric push rod on the processing seat through a tension sensor, the first clamping assembly and the second clamping assembly are used to clamp and position the steel plate to be polished, the first electric push rod is used to stretch the clamped steel plate, a moving frame is provided above the processing seat, the moving frame is driven to move horizontally by a moving mechanism on the processing seat, the top of the moving frame is connected to the second electric push rod, and the bottom end of the second electric push rod is connected to the polishing adsorption assembly.

2. A surface grinding device for steel plate inspection according to claim 1, characterized in that: The first clamping assembly includes a first fastening bolt threadedly connected to the processing seat, the bottom end of the first fastening bolt is rotatably connected to the first pressing plate, a pad is provided on the processing seat below the first pressing plate, and the first fastening bolt drives the first pressing plate to press the steel plate onto the pad.

3. The surface grinding device for steel plate inspection according to claim 1, characterized in that: The second clamping assembly is symmetrically connected to the movable frame, and includes a second fastening bolt threadedly connected to the movable frame. The bottom end of the second fastening bolt is rotatably connected to the second pressing plate, and the second fastening bolt drives the second pressing plate to clamp the steel plate.

4. The surface grinding device for steel plate inspection according to claim 1, characterized in that: The movable frame is symmetrically provided with two steel plate brackets for connecting the second clamping assembly.

5. The surface grinding device for steel plate inspection according to claim 1, characterized in that: The moving mechanism includes a screw rod rotatably connected to a longitudinal side of a processing seat, the longitudinal side of the processing seat on the opposite side of the screw rod is fixedly connected to a guide rod, the screw rod is driven to rotate by a driving assembly, the driving assembly includes a first bevel gear fixedly sleeved on the screw rod, a second bevel gear meshing with the first bevel gear is provided on one side of the first bevel gear, the second bevel gear is driven to rotate by a first driving motor, the first driving motor drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear meshing with the first bevel gear to rotate, and the first bevel gear drives the screw rod to rotate.

6. A surface grinding device for steel plate inspection according to claim 5, characterized in that: Baffles are arranged on the outer sides of the screw rod and the guide rod.

7. The surface grinding device for steel plate inspection according to claim 1, characterized in that: The moving frame is door-shaped, the bottom of one end of the moving frame is threadedly connected with the screw rod of the moving mechanism, and the bottom of the other end is slidably connected with the guide rod of the moving mechanism.

8. The surface grinding device for steel plate inspection according to claim 1, characterized in that: The grinding and adsorption assembly includes a lifting plate fixedly connected to the second electric push rod, the bottom of the lifting plate is fixedly connected to the second drive motor, the second drive motor is fixedly connected to the rotating shaft, the bottom end of the rotating shaft is removably connected to the grinding disc, the grinding disc is divided into a grid sandpaper grinding disc and an oilstone grinding disc, the outside of the grinding disc is provided with a dust hood movably mounted on the rotating shaft, the dust hood is connected to the vacuum cleaner, and the vacuum cleaner is fixedly connected to the lifting plate.

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