A visual inspection device for part holes

By designing a slidable fixed component and a part hole visual inspection device that drives the rotation of the fixing frame, the problem that existing devices can only detect a single face is solved, and comprehensive inspection of the number of multiple faces of the parts is achieved, improving the accuracy of the detection results.

CN115631150BActive Publication Date: 2025-08-12DONGFENG WUHAN IND
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Patent Information

Application Number
CN202211253270.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-10-13
Publication Date
2025-08-12
Estimated Expiration
2042-10-13

AI Technical Summary

Technical Problem

The existing visual detection device can only detect the number of holes on a single side of the part, and cannot determine whether the holes on the part are through holes, and the detection results are incomplete.

Method used

A part hole visual detection device including a work frame, a fixing component, a drive component and a visual detection component is designed. The parts are clamped by sliding to different positions through the fixed end of the fixing component, and the fixing frame is rotated simultaneously by the drive component, so that different faces of the parts face the visual detection component, realizing the detection of the number of holes of the parts.

Benefits of technology

A comprehensive inspection of the number of multiple faces of parts has been achieved, improving the accuracy and comprehensiveness of the inspection results.

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Abstract

The present invention relates to a visual inspection device for part holes, which includes a workbench, a fixing component, a driving component and a visual inspection component. The fixing component includes two fixed frames arranged in parallel and two fixed ends corresponding to the two fixed frames one by one. A fixed gap is formed between the two fixed frames. The two fixed ends are both built into the corresponding fixed frames and slidably connected to the corresponding fixed frames. The fixed ends can slide to a first position abutting the part and can slide to a second position spaced apart from the part. The driving component is installed on the workbench to drive the two fixed frames to rotate synchronously and drive the two fixed frames to move relative to or opposite to each other. The visual inspection component is installed on the workbench, and the detection end of the visual inspection component points to the setting of the fixed gap. The problem that the existing visual inspection device can only detect the number of holes on a single side of the part, cannot determine whether the holes on the part are through holes, and the detection results are incomplete is solved.
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Description

Technical Field

[0001] The present invention relates to the technical field of automobile parts detection, in particular to a visual detection device for part holes. Background Art

[0002] During the production process of automotive parts, the number of holes on them needs to be checked to avoid the wrong number of holes on the parts. At present, with the continuous development of technology, automated machinery can be used to replace the manual function of hole counting.

[0003] For example, a visual inspection device can be used to detect whether the number of holes in a part is correct. Specifically, by taking a photo of the part through the visual inspection device and comparing the photo with the pre-stored photo, it can be known whether the number of holes in the part is correct. This not only saves time and effort, but also provides more accurate inspection results.

[0004] However, existing visual inspection devices can only detect the number of holes on a single side of a part and cannot determine whether the holes on the part are through holes, resulting in incomplete inspection results. Summary of the Invention

[0005] In view of this, it is necessary to provide a visual inspection device for part holes to solve the problem that existing visual inspection devices can only detect the number of holes on a single side of a part, cannot determine whether the holes on the part are through holes, and the inspection results are incomplete.

[0006] The present invention provides a visual inspection device for part holes, comprising a workbench, a fixing component, a driving component and a visual inspection component, wherein the fixing component comprises two fixed frames arranged in parallel and two fixed ends corresponding to the two fixed frames one by one, a fixed gap for placing parts is formed between the two fixed frames, the two fixed ends are both built into the corresponding fixed frames and slidably connected to the corresponding fixed frames, the fixed ends can slide to a first position abutting the parts, and the fixed ends can slide to a second position spaced apart from the parts; the driving component is installed on the workbench, and the output end of the driving component is connected to the two fixed frames to drive the two fixed frames to rotate synchronously and drive the two fixed frames to move relative to or opposite to each other; the visual inspection component is installed on the workbench, and the detection end of the visual inspection component points to the setting of the fixed gap.

[0007] Furthermore, each of the two fixing frames has a frame-shaped cavity whose length and width are respectively greater than the length and width of the part, and the fixing end is built into the frame-shaped cavity.

[0008] Furthermore, the two fixed ends each include two pressing rollers arranged in parallel, and the two pressing rollers are both slidably connected to the corresponding fixing frame along a direction perpendicular to the pressing rollers.

[0009] Furthermore, the pressure roller includes a roller body and a flexible sleeve, both ends of the roller body are slidably connected to the corresponding sliding grooves provided on the fixed frame, and the flexible sleeve is sleeved on the roller body.

[0010] Furthermore, the fixing assembly also includes an adjusting member corresponding to the pressure roller one by one, the adjusting member is installed on the corresponding fixing frame, and the output end of the adjusting member is connected to the corresponding pressure roller to adjust the sliding position of the pressure roller.

[0011] Furthermore, the output end of the adjusting member is fixedly connected to the middle part of the connecting rod, and the connecting rod is arranged on the side of the corresponding fixed frame away from the other fixed frame. The two ends of the connecting rod are respectively fixedly connected to a connecting seat, and the two connecting seats are connected to the two ends of the corresponding pressure rollers.

[0012] Furthermore, the driving assembly includes a rotating part and two lifting parts corresponding to the two fixed frames one by one. The rotating part is rotatably connected to the work frame. The two lifting parts are installed on the rotating part. The output ends of the two lifting parts are respectively connected to the two fixed frames to drive the two fixed frames to move relative to or away from each other.

[0013] Furthermore, the rotating member includes a rotating plate and a rotating motor. The rotating plate is rotatably connected to the work frame via a rotating shaft. The rotating motor is installed on the work frame. The output end of the rotating motor is connected to the rotating shaft to drive the rotating plate to rotate.

[0014] Furthermore, there are two rotating plates, and each of the two lifting parts includes four lifting cylinders. The two rotating plates are arranged opposite to each other on both sides of the fixed frame. Two of the lifting cylinders in each of the lifting parts are installed on one of the rotating plates and connected to the corresponding fixed frame, and the other two lifting cylinders in each of the lifting parts are installed on the other rotating plate and connected to the corresponding fixed frame.

[0015] Furthermore, the visual detection component includes a fixed frame installed on the top of the workbench, with the detection end of the visual detection component pointing vertically downward.

[0016] Compared with the prior art, the fixing assembly includes two fixing frames arranged in parallel and two fixing ends corresponding to the two fixing frames one by one, a fixed gap for placing parts is formed between the two fixing frames, the two fixing ends are both built into the corresponding fixing frames and slidably connected to the corresponding fixing frames, the fixed ends can slide to a first position abutting against the parts, and the fixed ends can slide to a second position spaced apart from the parts, when the two fixed ends slide to the first position, the parts in the fixed gap can be clamped, when the lower fixed end slides to the first position and the upper fixed end slides to the second position, the parts are placed on the lower fixed end, and the upper part of the parts is not fixed The fixed end is blocked and installed on the workbench by setting a driving component. The output end of the driving component is connected to the two fixed frames to drive the two fixed frames to rotate synchronously and drive the two fixed frames to move relative to or opposite to each other. The clamped parts can be driven to rotate by the driving component so that different surfaces of the parts face the visual inspection component. The two fixed frames can be driven to move relative to or opposite to each other by the driving component to adjust the positions of the two fixed ends. The visual inspection component is installed on the workbench. The detection end of the visual inspection component is set to point to the fixed gap to shoot the two opposite surfaces of the part. By comparing the number of holes, the number of through holes can be known, and the hole number detection result is more comprehensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the overall structure of a visual inspection device for part holes provided by an embodiment of the present invention;

[0018] Figure 2 A schematic structural diagram of a device for visually inspecting a part hole according to an embodiment of the present invention showing a fixed end sliding to a first position;

[0019] Figure 3 A schematic structural diagram of the fixed end sliding to the second position in the visual inspection device for part holes provided by an embodiment of the present invention;

[0020] Figure 4 A schematic structural diagram of the connection between the adjusting member and the fixed end in the visual inspection device for part holes provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, and are not used to limit the scope of the present invention.

[0022] like Figure 1-3As shown, the present invention provides a visual inspection device for part holes, including a workbench 100, a fixing component 200, a driving component 300 and a visual inspection component 400. The fixing component 200 includes two fixed frames 210 arranged in parallel and two fixed ends 220 corresponding to the two fixed frames 210 one by one. A fixed gap for placing parts is formed between the two fixed frames 210. The two fixed ends 220 are both built into the corresponding fixed frames 210 and slidably connected to the corresponding fixed frames 210. The fixed ends 220 can slide to a first position abutting the part, and the fixed ends 220 can slide to a second position spaced apart from the part; the driving component 300 is installed on the workbench 100, and the output end of the driving component 300 is connected to the two fixed frames 210 to drive the two fixed frames 210 to rotate synchronously and drive the two fixed frames 210 to move relative to or oppositely; the visual inspection component 400 is installed on the workbench 100, and the detection end of the visual inspection component 400 points to the setting of the fixed gap.

[0023] In this embodiment, the fixing assembly 200 includes two fixing frames 210 arranged in parallel and two fixing ends 220 corresponding to the two fixing frames 210. A fixed gap for placing parts is formed between the two fixing frames 210. The two fixing ends 220 are both built into the corresponding fixing frames 210 and slidably connected to the corresponding fixing frames 210. The fixing ends 220 can slide to a first position abutting against the parts, and the fixing ends 220 can slide to a second position spaced apart from the parts. When both fixing ends 220 slide to the first position, the parts in the fixed gap can be clamped. When the lower fixing end 220 slides to the first position and the upper fixing end 220 slides to the second position, the parts are placed on the lower fixing end 220, and the upper part of the parts is not clamped by the fixed end. 220 is blocked, and a driving component 300 is installed on the workbench 100. The output end of the driving component 300 is connected to the two fixed frames 210 to drive the two fixed frames 210 to rotate synchronously and drive the two fixed frames 210 to move relative to or opposite to each other. The driving component 300 can drive the clamped parts to rotate so that different surfaces of the parts face the visual inspection component 400. The driving component 300 can drive the two fixed frames 210 to move relative to or opposite to each other to adjust the positions of the two fixed ends 220. The visual inspection component 400 is installed on the workbench 100. The detection end of the visual inspection component 400 is set to point to the fixed gap to shoot the two opposite sides of the part. By comparing the number of holes, the number of through holes can be known, and the hole number detection result is more comprehensive.

[0024] The workbench 100 in this embodiment is used to support or install the fixing assembly 200 , the driving assembly 300 and the visual inspection assembly 400 .

[0025] The fixing assembly 200 in this embodiment is a structure capable of clamping or exposing the top surface of a component in its current position. Specifically, the fixing assembly 200 includes two parallel fixing frames 210 and two fixing ends 220 corresponding to the two fixing frames 210. A fixed gap is formed between the two fixing frames 210 for placing components. Both fixing ends 220 are embedded in and slidably connected to the corresponding fixing frames 210. The fixing ends 220 can slide to a first position where they abut the component, and then to a second position where they are spaced apart from the component.

[0026] In one embodiment, each of the two fixing frames 210 has a frame-shaped cavity whose length and width are respectively larger than the length and width of the component, and the fixing end 220 is built into the frame-shaped cavity.

[0027] In one embodiment, the two fixed ends 220 each include two pressing rollers arranged in parallel, and the two pressing rollers are slidably connected to the corresponding fixing frame 210 along a direction perpendicular to the pressing rollers.

[0028] like Figure 4 As shown, in order to avoid hard friction between the pressure roller and the parts, which may cause scratches on the parts, in one embodiment, the pressure roller includes a roller body 221 and a flexible sleeve 222. The two ends of the roller body 221 are slidably connected to the sliding grooves opened on the corresponding fixed frame 210, and the flexible sleeve 222 is sleeved on the roller body 221.

[0029] In order to facilitate the control of switching of the fixed end 220 between the first position and the second position, in one embodiment, the fixing assembly 200 also includes an adjusting member 230 corresponding to each pressure roller. The adjusting member 230 is installed on the corresponding fixing frame 210, and the output end of the adjusting member 230 is connected to the corresponding pressure roller to adjust the sliding position of the pressure roller.

[0030] like Figure 4 As shown, the output end of the adjusting member 230 is fixedly connected to the middle part of the connecting rod 232, and the connecting rod 232 is arranged on the side of the corresponding fixed frame 210 away from the other fixed frame 210. The two ends of the connecting rod 232 are respectively fixedly connected to a connecting seat 231, and the two connecting seats 231 are connected to the two ends of the corresponding pressure rollers.

[0031] The driving assembly 300 in this embodiment is used to drive the two fixed frames 210 to rotate synchronously and to drive the two fixed frames 210 to move relative to or away from each other. Specifically, the driving assembly 300 is installed on the workbench 100, and the output end of the driving assembly 300 is connected to the two fixed frames 210.

[0032] In one embodiment, the driving assembly 300 includes a rotating member 310 and two lifting members 320 corresponding to the two fixed frames 210. The rotating member 310 is rotatably connected to the workbench 100. The two lifting members 320 are both installed on the rotating member 310. The output ends of the two lifting members 320 are respectively connected to the two fixed frames 210 to drive the two fixed frames 210 to move relative to or opposite to each other.

[0033] The rotating member 310 includes a rotating plate 311 and a rotating motor 313. The rotating plate 311 is rotatably connected to the work frame 100 via a rotating shaft 312. The rotating motor 313 is installed on the work frame 100. The output end of the rotating motor 313 is connected to the rotating shaft 312 to drive the rotating plate 311 to rotate.

[0034] In order to ensure stable rotation of the two fixed frames 210, in one embodiment, there are two rotating plates 311, and the two lifting members 320 each include four lifting cylinders. The two rotating plates 311 are relatively arranged on both sides of the fixed frame 210, and two of the lifting cylinders in each lifting member 320 are installed on one of the rotating plates 311 and connected to the corresponding fixed frame 210, and the other two lifting cylinders in each lifting member 320 are installed on the other rotating plate 311 and connected to the corresponding fixed frame 210.

[0035] The visual inspection component 400 in this embodiment obtains the structure of the number of holes on the part by taking pictures and comparing the pictures taken with pre-stored pictures, which is a structure that can be thought of by those skilled in the art.

[0036] The visual inspection component 400 includes a fixed frame 210 installed on the top of the workbench 100, with the inspection end of the visual inspection component 400 pointing vertically downward.

[0037] Compared with the prior art: the fixing assembly 200 includes two fixing frames 210 arranged in parallel and two fixing ends 220 corresponding to the two fixing frames 210 one by one, a fixed gap for placing parts is formed between the two fixing frames 210, the two fixing ends 220 are both built into the corresponding fixing frames 210 and slidably connected to the corresponding fixing frames 210, the fixing ends 220 can slide to a first position abutting against the parts, and the fixing ends 220 can slide to a second position spaced apart from the parts. When both fixing ends 220 slide to the first position, the parts in the fixed gap can be clamped. When the lower fixing end 220 slides to the first position and the upper fixing end 220 slides to the second position, the parts are placed on the lower fixing end 220, and the upper part of the parts is not fixed The ends 220 are blocked, and a driving component 300 is installed on the workbench 100. The output end of the driving component 300 is connected to the two fixed frames 210 to drive the two fixed frames 210 to rotate synchronously and drive the two fixed frames 210 to move relative to or opposite to each other. The driving component 300 can drive the clamped parts to rotate so that different surfaces of the parts face the visual inspection component 400. The driving component 300 can drive the two fixed frames 210 to move relative to or opposite to each other to adjust the positions of the two fixed ends 220. The visual inspection component 400 is installed on the workbench 100. The detection end of the visual inspection component 400 is set to point to the fixed gap to shoot the two opposite sides of the part. By comparing the number of holes, the number of through holes can be known, and the hole number detection result is more comprehensive.

[0038] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with this technical field within the technical scope disclosed by the present invention should be covered by the scope of protection of the present invention.

Claims

1. A visual inspection device for part holes, characterized in that: Including work frame, fixing components, driving components and visual detection components; The fixing assembly includes two fixing frames arranged in parallel and two fixing ends corresponding to the two fixing frames one by one, a fixed gap for placing parts is formed between the two fixing frames, and the two fixing ends are both built into the corresponding fixing frames and slidably connected to the corresponding fixing frames, and the fixing ends can slide to a first position abutting against the parts, and the fixing ends can slide to a second position spaced apart from the parts; The driving assembly is mounted on the workbench, and the output end of the driving assembly is connected to the two fixed frames to drive the two fixed frames to rotate synchronously and to drive the two fixed frames to move relative to or opposite to each other; The visual detection component is installed on the workbench, and the detection end of the visual detection component points to the setting of the fixed gap.

2. The visual inspection device for part holes according to claim 1, characterized in that: The two fixing frames each have a frame-shaped cavity whose length and width are respectively greater than the length and width of the part, and the fixing end is built into the frame-shaped cavity.

3. The visual inspection device for part holes according to claim 1, characterized in that: The two fixed ends each include two pressing rollers arranged in parallel, and the two pressing rollers are both slidably connected to the corresponding fixing frame along a direction perpendicular to the pressing rollers.

4. The visual inspection device for part holes according to claim 3, characterized in that: The pressure roller includes a roller body and a flexible sleeve. Both ends of the roller body are slidably connected to the corresponding sliding grooves provided on the fixed frame, and the flexible sleeve is sleeved on the roller body.

5. The visual inspection device for part holes according to claim 3, characterized in that: The fixing assembly further includes an adjusting member corresponding to each of the pressure rollers. The adjusting member is mounted on the corresponding fixing frame. The output end of the adjusting member is connected to the corresponding pressure roller to adjust the sliding position of the pressure roller.

6. The visual inspection device for part holes according to claim 5, characterized in that: The output end of the adjusting member is fixedly connected to the middle part of the connecting rod, and the connecting rod is arranged on the side of the corresponding fixing frame away from the other fixing frame. The two ends of the connecting rod are respectively fixedly connected to a connecting seat, and the two connecting seats are connected to the two ends of the corresponding pressure rollers.

7. The visual inspection device for part holes according to claim 1, characterized in that: The driving assembly includes a rotating member and two lifting members corresponding to the two fixed frames one by one. The rotating member is rotatably connected to the work frame. The two lifting members are installed on the rotating member. The output ends of the two lifting members are respectively connected to the two fixed frames to drive the two fixed frames to move relative to or away from each other.

8. The visual inspection device for part holes according to claim 7, characterized in that: The rotating member includes a rotating plate and a rotating motor. The rotating plate is rotatably connected to the work frame via a rotating shaft. The rotating motor is installed on the work frame. The output end of the rotating motor is connected to the rotating shaft to drive the rotating plate to rotate.

9. The visual inspection device for component holes according to claim 8, characterized in that: There are two rotating plates, and each of the two lifting parts includes four lifting cylinders. The two rotating plates are arranged opposite to each other on both sides of the fixed frame. Two of the lifting cylinders in each of the lifting parts are installed on one of the rotating plates and connected to the corresponding fixed frame. The other two lifting cylinders in each of the lifting parts are installed on the other rotating plate and connected to the corresponding fixed frame.

10. The visual inspection device for component holes according to claim 1, characterized in that: The visual detection component includes a fixed frame installed on the top of the workbench, and the detection end of the visual detection component is vertically downward.

Citation Information

Patent Citations

  • Full-automatic vision detecting machine with accurate detection result

    CN109270080A

  • Wisdom part machining console based on machine vision

    CN110722374A