Multifunctional visual inspection presetting workbench

Abstract

The invention discloses a multifunctional visual inspection presetting workbench, and belongs to the field of metal processing equipment. Comprising a workbench and a dial indicator, a thrust radial roller bearing, a zero-point butt-joint plate, a chuck, a vice and a workpiece are arranged on the table top of the workbench, the zero-point butt-joint plate is rotationally connected with the table top through the thrust radial roller bearing, the chuck is detachably connected with the zero-point butt-joint plate, the vice is clamped in the chuck, and the workpiece is clamped in the vice. The thrust radial roller bearing is rotationally connected with the table top, can bear radial force and axial force, and is small in deformation in the axial direction and the radial direction and smaller in runout in the horizontal direction and the vertical direction. The technical parameters of the manufactured multifunctional visual inspection presetting workbench are as follows: the radial run-out is less than or equal to 0.003 mm, and the axial run-out is less than or equal to 0.003 mm. And the measurement precision of the workpiece is higher.

Description

Technical Field

[0001] The invention relates to a multifunctional visual inspection pre-adjusting workbench, in particular to a high-precision rotating structure thereof, and belongs to the field of metal processing equipment. Background Art

[0002] The rotary pre-adjusting table is a device used in conjunction with machine tools and machining centers. The workpiece is first aligned on the rotary pre-adjusting table, and then moved into the machine tool or machining center. The machine tool or machining center does not need to be aligned again before cutting. The non-cutting processing time of the machine tool and machining center is reduced, and the processing efficiency is improved. However, the existing rotary pre-adjusting table has defects. It adopts an air-floating turntable structure, and the gap between the parts is large, resulting in low precision and large errors in the measurement results of the micrometer. Therefore, how to improve the rotating structure and improve the accuracy is a technical problem that technicians in this field urgently need to solve. Summary of the invention

[0003] In order to overcome the above-mentioned shortcomings, the object of the present invention is to provide a multifunctional visual inspection pre-adjustment workbench.

[0004] In order to achieve the above purpose, the technical solution adopted by the present invention is: a multifunctional visual inspection pre-adjustment workbench, including a workbench and a micrometer, a thrust radial roller bearing, a zero point docking plate, a chuck, a vise and a workpiece are arranged on the workbench surface, the zero point docking plate is rotatably connected to the table surface through the thrust radial roller bearing, the chuck and the zero point docking plate are detachably connected, the vise is clamped in the chuck, and the workpiece is clamped in the vise.

[0005] The present invention is further configured as follows: the thrust radial roller bearing comprises a bearing inner ring and a bearing outer ring, the table surface is fixedly connected to the bearing outer ring, and the zero-point docking plate is fixedly connected to the bearing inner ring.

[0006] The present invention is further configured as follows: the table top is connected to an outer ring fixing ring via a first pin, and the outer ring fixing ring is connected to the bearing inner ring via a fourth pin; an inner groove is provided on the inner wall of the outer ring fixing ring, and the bottom of the inner groove supports the bearing inner ring.

[0007] The present invention is further configured as follows: the inner ring of the bearing is connected to an intermediate ring via a second pin; the intermediate ring is fixedly connected to the zero-point docking plate via a third pin.

[0008] The present invention is further configured as follows: a handle fixing ring is connected to the outer circumference of the intermediate ring, and a plurality of handles are connected to the outer circumference of the handle fixing ring.

[0009] The present invention is further configured as follows: an inner ring protection ring is connected to the lower surface of the handle fixing ring, the lower end surface of the inner ring protection ring is flush with the outer ring fixing ring; and there is a gap between the inner ring protection ring and the outer ring fixing ring.

[0010] The present invention is further configured as follows: the micrometer is connected to the workbench via a first bracket.

[0011] The present invention is further configured as follows: the workbench is connected to a digital-analog measuring microscope via a three-dimensionally movable cantilever.

[0012] The present invention is further configured as follows: the three-dimensionally movable cantilever includes a vertical rod and a second bracket, the vertical rod is vertically connected to the table top, one end of the second bracket is slidably connected to the vertical rod, and the other end is connected to the digital-analog measuring microscope.

[0013] The present invention is further configured as follows: an air circuit support is provided on the lower surface of the table top, a pneumatic rotating mechanism is connected to the middle ring, and the air circuit support is fixedly connected to the pneumatic rotating mechanism.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: since the zero-point docking plate is rotatably connected to the table surface through a thrust radial roller bearing, it can withstand radial force and axial force, has small deformation in the axial and radial directions, has higher precision, and has smaller horizontal and vertical runout. The technical parameters of the manufactured multifunctional visual inspection pre-adjustment workbench are: radial runout ≤ 0.003mm, axial runout ≤ 0.003mm. The measurement accuracy of the workpiece is higher. After the micrometer measurement and adjustment, the chuck is detachably connected to the zero-point docking plate, the vise is clamped in the chuck, and the workpiece is clamped in the vise. The chuck is removed from the zero-point docking plate, and the chuck, vise and workpiece are transplanted into the machine tool or machining center together, and connected to another zero-point docking plate already in the machine tool or machining center. Cutting processing can be carried out. The non-cutting operation time of the machine tool or machining center is reduced, the cutting operation time of the machine tool or machining center is increased, and the utilization efficiency of the machine tool or machining center is improved.

[0015] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a multifunctional visual inspection pre-adjustment workbench shown in a preferred embodiment of the present invention;

[0017] Figure 2 for Figure 1 Structural diagram of the middle thrust radial bearing, zero-point docking plate, chuck and vise;

[0018] Figure 3 for Figure 1 Structural diagram of the middle thrust radial bearing, zero-point docking plate, chuck and vise;

[0019] Figure 4 It is a structural schematic diagram of a thrust radial bearing.

[0020] In the figure: 1, workbench; 2, first bracket; 3, micrometer; 4, workpiece; 5, vise; 6, handle; 8, table; 9, air circuit bracket; 10, pneumatic rotating mechanism; 11, chuck; 12, bearing inner ring; 13, bearing outer ring; 14, first pin; 15, zero point docking plate; 16, inner ring protection ring; 17, outer ring fixing ring; 18, second pin; 19, third pin; 20, handle fixing ring; 21, fourth pin; 22, vertical rod; 23, second bracket; 24, digital analog measuring microscope; 25, intermediate ring; 26, axial roller; 27, first retaining frame; 28, radial roller; 29, second retaining frame; 30, rolling groove; 121, main ring; 122, secondary ring; 123, nut and bolt assembly; 124, first mounting hole; 131, second mounting hole; 171, inner groove. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0022] See attached Figure 1-4 As shown, a multifunctional visual inspection pre-adjustment workbench in this embodiment includes a workbench 1 and a micrometer 3. A thrust radial roller bearing, a zero-point docking plate 15, a chuck 11, a vise 5 and a workpiece 4 are provided on the table top 8 of the workbench 1. The zero-point docking plate 15 is rotatably connected to the table top 8 through the thrust radial roller bearing, the chuck 11 and the zero-point docking plate 15 are detachably connected, the vise 5 is clamped in the chuck 11, and the workpiece 4 is clamped in the vise 5.

[0023] Since the zero-point docking plate 15 is rotatably connected to the table 8 through a thrust radial roller bearing, it can withstand radial and axial forces, has small deformation in the axial and radial directions, has high precision, and has smaller horizontal and vertical runout. The technical parameters of the manufactured multifunctional visual inspection pre-adjustment workbench are: radial runout ≤ 0.003mm, axial runout ≤ 0.003mm. The measurement accuracy of the workpiece 4 is higher. After measurement and adjustment by the micrometer 3, the chuck 11 is detachably connected to the zero-point docking plate 15, the vise 5 is clamped in the chuck 11, and the workpiece 4 is clamped in the vise 5. The chuck 11 is removed from the zero-point docking plate 15, and the chuck 11, the vise 5 and the workpiece 4 are transplanted into the machine tool or machining center together, and connected to another zero-point docking plate 15 already in the machine tool or machining center. Cutting processing can be carried out. The non-cutting operation time of the machine tool or machining center is reduced, the cutting operation time of the machine tool or machining center is increased, and the utilization efficiency of the machine tool or machining center is improved.

[0024] The present invention is further configured as follows: the thrust radial roller bearing comprises a bearing inner ring 12 and a bearing outer ring 13 , the table 8 is fixedly connected to the bearing outer ring 13 , and the zero-point docking plate 15 is fixedly connected to the bearing inner ring 12 .

[0025] The present invention is further configured as follows: the table 8 is connected to an outer ring fixing ring 17 through a first pin 14, and the outer ring fixing ring 17 is connected to the bearing inner ring 12 through a fourth pin 21; an inner groove 171 is provided on the inner wall of the outer ring fixing ring 17, and the bottom of the inner groove 171 supports the bearing inner ring 12. Due to the configuration of the inner groove 171, the two side surfaces of the bearing outer ring 13 are abutted, the support area is larger, the connection is more firm, and the vertical and horizontal runouts of the bearing outer ring 13 can be overcome at the same time.

[0026] In order to facilitate connection, the present invention is further configured as follows: the bearing inner ring 12 is connected to the intermediate ring 25 via a second pin 18 ; the intermediate ring 25 is fixedly connected to the zero-point docking plate 15 via a third pin 19 .

[0027] In order to drive the zero-point docking plate 15 to rotate, the present invention is further configured as follows: a handle fixing ring 20 is connected to the outer periphery of the intermediate ring 25, and a plurality of handles 6 are connected to the outer periphery of the handle fixing ring 20. By pushing the handle 6, the zero-point docking plate 15 is driven to rotate through the transmission of the handle 6 fixing plate and the intermediate ring 25.

[0028] In order to protect the thrust radial bearing, the present invention is further configured as follows: the lower surface of the handle fixing ring 20 is connected with the inner ring protection ring 16, the lower end surface of the inner ring protection ring 16 is flush with the outer ring fixing ring 17; there is a gap between the inner ring protection ring 16 and the outer ring fixing ring 17. Metal particles cannot pass between the inner ring protection ring 16 and the outer ring fixing ring 17, thus protecting the thrust radial bearing. The intermediate ring 25 serves as a connection carrier for the handle 6, the inner ring protection ring 16, the bearing inner ring 12 and the zero point docking plate 15.

[0029] The present invention is further configured as follows: the micrometer 3 is connected to the workbench 1 via a first bracket 2 .

[0030] The present invention is further configured as follows: the workbench 1 is connected to a digital-analog measuring microscope 24 via a three-dimensionally movable cantilever. The model of the digital-analog measuring microscope 24 is ISM-WF200. It is used to measure the shape, groove and hole dimensions of the workpiece 4. It has the functions of taking pictures, adjusting the lighting brightness, adjusting the magnification, and fast focusing. It uses USB or WiFi communication. It has USB or WiFi switching modes. The following table is a relationship table between the magnification and measurement accuracy of the digital-analog measuring microscope 24.

[0031] Table 1: Relationship between magnification and measurement accuracy of digital-analog measuring microscope 24

[0032] Magnification Measurement accuracy 50X 30um 100X 15um 150X 10um 200X 8um

[0033] The present invention is further configured as follows: the three-dimensionally movable cantilever includes a vertical rod 22 and a second bracket 23, the vertical rod 22 is vertically connected to the table 8, one end of the second bracket 23 is slidably connected to the vertical rod 22, and the other end is connected to the digital-analog measuring microscope 24.

[0034] Usually, the following appearance defects exist on the surface of parts: bumps, sand holes, scratches, rust, looseness, surface powdering, tooth cracks, tooth loss, powder sticking and missing teeth. Manual inspection takes too long. To solve this problem, the multifunctional visual inspection pre-adjustment workbench also includes AI visual inspection module, AI visual inspection software, high-performance fanless industrial computer, deep learning module, traditional visual module, recognition result filtering and analysis module and PLC communication module; AI visual inspection module and traditional visual module collect several standard defect sample libraries; AI visual inspection module and traditional visual module transmit the collected general sample information to the recognition result filtering and analysis module through the PLC communication module; the recognition result filtering and analysis module compares and filters the general sample with the standard defect sample library information in terms of area, position and credibility; when the similarity between the general sample and the standard defect sample library information exceeds X, the deep learning module determines that it meets the defect standard; when the similarity is between YX, an alarm is issued, and after manual judgment, if it meets the defect standard, it is added to the standard defect sample library.

[0035] The AI ​​visual inspection module includes a 25-megapixel camera, a FA lens, and a spherical light source. The 25-megapixel camera model is MV-CH250-90GM, the FA lens model is MFA121-U35, and the spherical light source model is JC-DZRL240-12-W.

[0036] The deep learning module classification model divides the standard defect sample library into several groups according to the visual image shape, namely, bump, sand hole, scratch, rust, loose, surface powdering, tooth crack, tooth loss, powder sticking and missing teeth; different X and Y values ​​are set for each group of standard defect sample library. Preferably, X is equal to 95% and Y is equal to 85%.

[0037] The AI ​​vision method for automatically detecting surface defects of parts described in this patent is particularly suitable for detecting the following appearance defects on the surface of parts: bumps, sand holes, scratches, rust, looseness, surface powdering, tooth cracks, tooth loss, powder sticking, and missing teeth. It is not limited to the type of parts, and only the defect features are grasped for detection. By detecting a large number of samples, the accuracy of AI artificial intelligence recognition is improved. It is an automatic surface defect detection solution for parts that can be easily deployed without professional visual personnel to complete the task of part surface defect detection.

[0038] The present invention is further configured as follows: an air circuit support 9 is provided on the lower surface of the table 8, a pneumatic rotating mechanism 10 is connected to the intermediate ring 25, and the air circuit support 9 is fixedly connected to the pneumatic rotating mechanism 10. A valve and an air pipe are provided on the air circuit support 9, and the air pipe is connected to the air inlet of the pneumatic rotating mechanism 10. The valve and the air pipe are configured separately and are not a necessary structure of the present patent application. The present patent application still retains the structure of gas driving the zero-point docking plate 15 to rotate. Both the pneumatic rotating mechanism 10 and the handle 6 can drive the zero-point docking plate 15 to rotate.

[0039] The present invention is further configured as follows: the thrust radial roller bearing further includes an axial roller 26, a first retainer 27, a radial roller 28, a second retainer 29, a main ring 121, a secondary ring 122 and a plurality of nut and bolt assemblies 123, the main ring 121 and the secondary ring 122 are both provided with a plurality of first mounting holes 124, and the nut and bolt assemblies 123 penetrate the first mounting holes 124 to overlap and connect the main ring 121 and the secondary ring 122 together. The main ring 121, the secondary ring 122 and the plurality of nut and bolt assemblies 123 constitute the bearing inner ring 12. A rolling groove 30 is formed on the bearing inner ring 12. A plurality of radial rollers 28 and a second retainer 29 are arranged at the bottom of the rolling groove 30. The inner diameter edge of the bearing outer ring 13 is arranged in the rolling groove 30 and abuts against the radial roller 28. Axial rollers 26 and a first retainer 27 are provided on both sides of the bearing outer ring 13. The bearing outer ring 13 and the groove wall of the rolling groove 30 abut against the axial roller 26. A second mounting hole 131 is provided at the outer diameter edge of the bearing outer ring 13. The second pin 18 passes through the first mounting hole 124 and is fixedly connected to the intermediate ring 25. The fourth pin 21 passes through the second mounting hole 131 and is connected to the outer ring fixing ring 17.

[0040] The above implementation modes are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with this technology to understand the content of the present invention and implement it, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A multifunctional visual inspection pre-adjustment workbench, comprising a workbench (1) and a micrometer (3), characterized in that: A thrust radial roller bearing, a zero-point docking plate (15), a chuck (11), a vise (5) and a workpiece (4) are arranged on the tabletop (8) of the workbench (1); the zero-point docking plate (15) is rotatably connected to the tabletop (8) via the thrust radial roller bearing; the chuck (11) and the zero-point docking plate (15) are detachably connected; the vise (5) is clamped in the chuck (11); and the workpiece (4) is clamped in the vise (5).

2. A multifunctional visual inspection pre-adjustment workbench according to claim 1, characterized in that: The thrust radial roller bearing comprises a bearing inner ring (12) and a bearing outer ring (13), the table (8) is fixedly connected to the bearing outer ring (13), and the zero point docking plate (15) is fixedly connected to the bearing inner ring (12).

3. The multifunctional visual inspection pre-adjustment workbench according to claim 2, characterized in that: The table surface (8) is connected to an outer ring fixing ring (17) via a first pin (14), and the outer ring fixing ring (17) is connected to the bearing inner ring (12) via a fourth pin (21); an inner groove (171) is provided on the inner wall of the outer ring fixing ring (17), and the bottom of the inner groove (171) supports the bearing inner ring (12).

4. The multifunctional visual inspection pre-adjustment workbench according to claim 2, characterized in that: The bearing inner ring (12) is connected to an intermediate ring via a second pin (18); the intermediate ring and the zero-point docking plate (15) are fixedly connected via a third pin (19).

5. The multifunctional visual inspection pre-adjustment workbench according to claim 4, characterized in that: A handle fixing ring (20) is connected to the outer periphery of the intermediate ring, and a plurality of handles (6) are connected to the outer periphery of the handle fixing ring (20).

6. The multifunctional visual inspection pre-adjustment workbench according to claim 5, characterized in that: The lower surface of the handle fixing ring (20) is connected to an inner ring protection ring (16), and the lower end surface of the inner ring protection ring (16) is flush with the outer ring fixing ring (17); there is a gap between the inner ring protection ring (16) and the outer ring fixing ring (17).

7. The multifunctional visual inspection pre-adjustment workbench according to claim 1, characterized in that: The micrometer (3) is connected to the workbench (1) via a first bracket (2).

8. The multifunctional visual inspection pre-adjustment workbench according to claim 1, characterized in that: The workbench (1) is connected to a digital-analog measuring microscope (24) via a three-dimensionally movable cantilever.

9. The multifunctional visual inspection pre-adjustment workbench according to claim 8, characterized in that: The three-dimensionally movable cantilever comprises a vertical rod (22) and a second bracket (23), wherein the vertical rod (22) is vertically connected to the table (8), one end of the second bracket (23) is slidably connected to the vertical rod (22), and the other end is connected to the digital model measuring microscope (24).

10. The multifunctional visual inspection pre-adjustment workbench according to claim 9, further comprising an AI visual inspection module, AI visual inspection software, a high-performance fanless industrial computer, a deep learning module, a traditional visual module, a recognition result filtering and analysis module, and a PLC communication module; The AI ​​visual inspection module and the traditional visual module collect several standard defect sample libraries; The AI ​​visual inspection module and the traditional visual module transmit the collected general sample information to the recognition result filtering and analysis module through the PLC communication module; the recognition result filtering and analysis module compares and filters the general sample with the standard defect sample library information in terms of area, position, and credibility; When the similarity between the general sample and the standard defect sample library exceeds X, the deep learning module determines that it meets the defect standard; when the similarity is between YX, an alarm is issued, and after manual judgment, if it meets the defect standard, it is added to the standard defect sample library.

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