Workpiece cleanliness detection device

Abstract

The utility model relates to the technical field of detection equipment, in particular to a workpiece cleanliness detection device which comprises a clamp for clamping a workpiece and a wiping assembly located below the clamp, the wiping assembly comprises a plurality of supporting rods which are vertically arranged and can move up and down, an air bag is installed at the top end of each supporting rod, the supporting rods are provided with airflow channels, and the airflow channels are communicated with the air bag. One end of the airflow channel is communicated with the air bag, and the other end is communicated with the air pump. The device can test a plurality of workpieces at one time, and workers do not need to manually wipe the workpieces, so that the labor intensity of the workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field especially relates to a work piece cleanliness detection device. BACKGROUND

[0002] In the field of automobile manufacturing, the cleanliness detection of workpieces is crucial because surface contaminants (such as oil, dust, or metal shavings) can lead to poor component assembly, corrosion, accelerated wear, and even affect the safety and performance of the vehicle. By detecting cleanliness, it can ensure that the surface of the component meets strict quality standards, avoid contaminants causing failures or shortening the service life during production and use, and thus improve the quality, reliability, and customer satisfaction of the vehicle.

[0003] In the prior art, the cleanliness detection of the inner wall of a cylindrical workpiece generally includes the following steps: first, several workpieces are selected from a batch of workpieces as detection pieces, then each detection piece is detected individually, a worker holds a workpiece in one hand and a wiping cloth (usually non-woven fabric) in the other hand, rubs the inner wall of the workpiece several times with the wiping cloth, takes out the non-woven fabric after wiping, and then observes the contaminants on the non-woven fabric with the naked eye or a magnifying glass to determine the cleanliness of the workpiece.

[0004] The above test method has high labor intensity, is inconvenient to operate, and cannot detect multiple workpieces simultaneously. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings of high labor intensity, inconvenient operation, and inability to detect multiple workpieces simultaneously in the prior art for cleanliness detection of the inner wall of a cylindrical workpiece, and provides a workpiece cleanliness detection device.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] A workpiece cleanliness detection device includes a clamp for clamping a workpiece and a wiping assembly located below the clamp. The wiping assembly includes a plurality of vertically arranged support rods that can move up and down. The top end of each support rod is equipped with an air bag. Each support rod is provided with an airflow channel, one end of which is connected to the air bag and the other end is connected to an air pump.

[0008] The wiping assembly includes a first lifting assembly, a second lifting assembly, a first bracket, and a second bracket. The first bracket is located above the second bracket, and the first lifting assembly is installed between the two. The first lifting assembly can drive the first bracket to rise and fall relative to the second bracket. The support rods are fixed to the first bracket. The second lifting assembly is installed between the ground and the second bracket. The second lifting assembly can drive the first bracket and the second bracket to rise and fall.

[0009] The second lifting assembly is a power telescopic cylinder, a cylinder barrel of the power telescopic cylinder is fixed on the ground, and a piston rod and a second support are fixed;

[0010] The first lifting assembly comprises a support plate and a guide telescopic rod, the support plate is fixed on the second support, one end of the guide telescopic rod is fixed on the first support and the other end is fixed on the second support, an eccentric wheel with an axis arranged horizontally is rotationally connected to the support plate, the first support is supported on an outer circumferential surface of the eccentric wheel, and the eccentric wheel is transmissionally connected to a rotary motor.

[0011] A tension spring is connected between the first support and the second support.

[0012] The clamp comprises a third support and a fourth support arranged in parallel, the fourth support is fixed on the ground, a guide rod is fixedly connected to the fourth support, the third support is slidingly connected to the guide rod, and a thrust spring is connected between the third support and an end portion of the guide rod.

[0013] A handle is fixedly connected to the third support.

[0014] Vertical sections of the third support and the fourth support are all L-shaped.

[0015] The workpiece cleanliness detection device has the beneficial effects that a plurality of workpieces can be tested at one time, and workers do not need to manually wipe, thereby reducing the labor intensity of workers. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 FIG. 1 is a first state structural schematic diagram of the workpiece cleanliness detection device;

[0017] Figure 2 FIG. 2 is a second state structural schematic diagram of the workpiece cleanliness detection device;

[0018] Figure 3 FIG. 3 is a clamp structural schematic diagram of the workpiece cleanliness detection device.

[0019] In the drawings: clamp 1, workpiece 2, wiping cloth 3, air bag 4, air flow channel 5, support rod 6, first support 7, first lifting assembly 8, support plate 9, second lifting assembly 10, tension spring 11, second support 12, thrust spring 13, handle 14, third support 15, fourth support 16, guide rod 17, guide telescopic rod 18. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0021] Refer toFigures 1-3 A workpiece cleanliness detection device, comprising a clamp 1 clamping a workpiece 2, a wiping assembly located below the clamp 1, the wiping assembly comprising a plurality of vertically arranged support rods 6 capable of moving up and down, the top end of the support rod 6 is provided with an air bag 4, the support rod 6 is provided with an airflow channel 5, one end of the airflow channel 5 is communicated with the air bag 4, and the other end is communicated with an air pump.

[0022] Reference Figure 1 When the device detects, a plurality of workpieces are clamped on the clamp 1, and then the wiping cloth 3 is placed on the air bag 4, then the support rod 6 is moved upward, the air bag 4 covered with the wiping cloth 3 is placed in the inner cavity of the workpiece 2, then the air bag is inflated by the air pump, the air bag is inflated, the wiping cloth 3 is clamped between the workpiece and the air bag, then the support rod 6 is moved up and down with a small amplitude to wipe the inner wall of the workpiece, after wiping, the air bag 4 is deflated or directly pulled out from the bottom of the workpiece, then the wiping cloth is taken for naked eye observation or microscopic magnification observation, a plurality of workpieces can be tested at one time by the device, and the worker does not need to manually wipe, reducing the labor intensity of the worker.

[0023] The air bag will deform following the shape of the workpiece inner cavity when inflated, and the abutting mode of the air bag can cope with various shapes of workpiece inner cavities, such as cylindrical inner cavities, rectangular inner cavities, polygonal inner cavities, etc.

[0024] The structure of the air bag exhaust of the device can set an exhaust valve at the air outlet end of the air pump, or set a through hole on the support rod 6 and block it with a plug that can be inserted and pulled out, as long as the inflation and deflation requirements are met.

[0025] As an embodiment, the wiping assembly comprises a first lifting assembly 8, a second lifting assembly 10, a first support 7, and a second support 12, the first support 7 is located above the second support 12, and the first lifting assembly 8 is installed between the two, the first lifting assembly 8 can drive the first support 7 to rise and fall relative to the second support 12, the support rod 6 is fixed with the first support 7, and the second lifting assembly 10 is installed between the ground and the second support 12, the second lifting assembly 10 can drive the first support 7 and the second support 12 to rise and fall.

[0026] The first support 7, the second support 12, and the support rod 6 are simultaneously raised or lowered by the second lifting assembly 10, and the second lifting assembly 10 is mainly responsible for inserting or pulling out the air bag 4 from the workpiece. The first lifting assembly 8 drives the first support 7 to move up and down, and the first lifting assembly is mainly responsible for driving the support rod 6 on the first support 7 to move up and down with a small amplitude to complete the purpose of wiping up and down. The wiping method is used to cope with various shapes of workpiece inner cavities, and the rotating wiping method is not recommended.

[0027] The second lifting assembly 10 is a power telescopic cylinder, the cylinder barrel of which is fixed on the ground, and the piston rod is fixed with the second support 12; for example, a pneumatic cylinder, a hydraulic cylinder, an electro-hydraulic push rod, etc.

[0028] The first lifting assembly 8 comprises a support plate 9 and a guide telescopic rod 18, the support plate 9 is fixed on the second support 12, one end of the guide telescopic rod is fixed with the first support 7 and the other end is fixed with the second support 12, the support plate 9 is rotationally connected with an eccentric wheel with the axis horizontally arranged, the first support 7 is supported on the outer circumferential surface of the eccentric wheel, and the eccentric wheel is drivingly connected with a rotary motor. The rotary motor drives the eccentric wheel to rotate, and the eccentric wheel rotates to drive the first support 7 to move up and down due to the eccentric rotation of the eccentric wheel.

[0029] In order to make the first support 7 move up and down more stably, a tension spring 11 is connected between the first support 7 and the second support 12, and the first support 7 is tightly attached to the outer circumferential surface of the eccentric wheel through the tension spring 11.

[0030] Reference Figure 3 The clamp 1 comprises a third support 15 and a fourth support 16 arranged in parallel, the fourth support 16 is fixed with the ground, the fourth support 16 is fixedly connected with a guide rod 17, the third support 15 is slidingly connected with the guide rod 17, and the third support 15 is connected with the end portion of the guide rod 17 through a pushing spring 13 on the outer side of the third support 15. The third support 15 is pulled away from the fourth support 16, then the workpiece is placed on the third support 15 and the fourth support 16, the third support 15 is loosened, and the workpiece is clamped between the third support 15 and the fourth support 16 by the pushing spring 13.

[0031] The third support 15 is fixedly connected with a handle 14, which facilitates pulling open the third support 15.

[0032] The vertical section of the third support 15 and the fourth support 16 is L-shaped, the workpiece is supported on the horizontal plate of the L-shaped, of course, further, a V-shaped groove can be arranged on the adjacent surface of the third support 15 and the fourth support 16 to increase the contact area of the third support 15, the fourth support 16 and the workpiece, and improve the stability of clamping.

[0033] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can obtain the technical solutions, concepts and designs according to the technical solutions and concepts of the present application within the technical range disclosed by the present application, and the obtained technical solutions, concepts and designs should be covered in the protection scope of the present application.

Claims

1. A workpiece cleanliness detection apparatus, characterized by, The utility model provides a kind of clamp (1) comprising clamping workpiece (2), located the wiping assembly below clamp (1), the wiping assembly includes several vertical support rods (6) and can move up and down, air bag (4) is installed at the top end of the support rod (6), the support rod (6) is provided with airflow passage (5), one end of the airflow passage (5) is communicated with air bag (4), one end is communicated air pump.

2. The workpiece cleanliness detection apparatus of claim 1, wherein The wiping assembly includes first lifting assembly (8), second lifting assembly (10), first support (7), second support (12), the first support (7) is located above second support (12), and the first lifting assembly (8) is installed between the two, the first lifting assembly (8) can drive the first support (7) to rise and fall relative to second support (12), the support rod (6) is fixed with the first support (7), the second lifting assembly (10) is installed between the ground and second support (12), the second lifting assembly (10) can drive the first support (7) and second support (12) to rise and fall.

3. The workpiece cleanliness detection apparatus of claim 2, wherein The second lifting assembly (10) is a power telescopic cylinder, the cylinder of the power telescopic cylinder is fixed to the ground, and the piston rod is fixed to the second support (12). The first lifting assembly (8) includes support plate (9) and guide telescopic rod (18), the support plate (9) is fixed to the second support (12), one end of the guide telescopic rod is fixed to the first support (7), and the other end is fixed to the second support (12), the support plate (9) is rotatably connected with an eccentric wheel with horizontal axis, the first support (7) is supported on the outer peripheral surface of the eccentric wheel, and the eccentric wheel is drivingly connected with a rotary motor.

4. The workpiece cleanliness detection apparatus of claim 3, wherein A tension spring (11) is connected between the first support (7) and the second support (12).

5. A device for detecting cleanliness of a workpiece according to any one of claims 1 to 4, characterized in that, The clamp (1) includes third support (15) and fourth support (16) arranged in parallel, the fourth support (16) is fixed to the ground, a guide rod (17) is fixed to the fourth support (16), the third support (15) is slidingly connected with the guide rod (17), and a thrust spring (13) is connected between the outer side of the third support (15) and the end of the guide rod (17).

6. The workpiece cleanliness detection apparatus of claim 5, wherein A handle (14) is fixed to the third support (15).

7. The workpiece cleanliness detection apparatus of claim 5, wherein The vertical section of the third support (15) and the fourth support (16) is L-shaped.

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