Quality detection equipment for jewelry accessories

Abstract

The quality detection equipment comprises an equipment control box, a processing table is fixedly installed at the upper end of the equipment control box, a conveying and processing assembly used for conveying the jewelry accessories to be detected is arranged in the processing table, and a moving block is fixedly installed at the upper end of the conveying and processing assembly; the upper end of the moving block is provided with a rotating assembly which transversely rotates to adjust the detection position, the upper end of the rotating assembly is fixedly provided with a pressure-bearing bottom plate, and the upper end of the pressure-bearing bottom plate is provided with an adjusting and positioning assembly which is used for clamping and positioning multiple sets of jewelry accessories of different specifications and adjusting the detection faces of the jewelry accessories. The adjusting and positioning assembly comprises two sets of installation side plates fixedly installed on the two sides of the upper end of the pressure-bearing bottom plate, a first servo motor fixedly installed on the outer side of one set of installation side plates, and a rotary adjusting frame plate fixedly installed at the output end of the first servo motor. The method has the advantage of quick multi-surface detection, and the detection efficiency of equipment is remarkably improved.

Description

Technical Field

[0001] This invention relates to the field of quality inspection equipment technology, specifically to a quality inspection device for jewelry. Background Technology

[0002] Jewelry quality testing equipment is a specialized device that automates and performs high-precision testing on indicators such as appearance defects, material purity, and dimensional accuracy of jewelry. It can be used to quickly identify natural diamonds from diamond simulants, as well as to distinguish some synthetic diamonds, including those made of zircon, moissanite, crystal, and glass.

[0003] Traditional testing equipment often has a fixed structure or can only move linearly in one direction. It cannot rotate the jewelry to adjust the testing position, making it difficult to conduct comprehensive testing on different sides of the jewelry. In addition, the jewelry needs to be manually flipped during the testing process, which is inefficient and can easily damage the jewelry, and the accuracy of the testing cannot be guaranteed. Summary of the Invention

[0004] The purpose of this invention is to provide a quality inspection device for jewelry, which has the advantages of rapid multi-faceted inspection and solves the problems in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A quality inspection device for jewelry includes a control box. A processing table is fixedly installed on the upper part of the control box. The processing table is equipped with a transport processing component for conveying the jewelry to be inspected. A moving block is fixedly installed on the upper part of the transport processing component. A rotating component for adjusting the detection position by lateral rotation is installed on the upper part of the moving block. A pressure base plate is fixedly installed on the upper part of the rotating component. An adjustment and positioning component for clamping and positioning multiple sets of jewelry of different specifications and adjusting the detection surface of the jewelry is installed on the upper part of the pressure base plate. The adjustment and positioning component includes two sets of mounting side plates fixedly installed on both sides of the upper part of the pressure base plate, a first servo motor fixedly installed on the outside of one set of mounting side plates, and a rotating adjustment frame plate fixedly installed on the output end of the first servo motor.

[0006] Preferably, the transport processing assembly includes a second servo motor fixedly installed at one end of the outer side of the processing table, and an adjusting screw fixedly installed at the output end of the second servo motor.

[0007] It is worth noting that the adjusting screw converts the rotational motion of the second servo motor into the linear motion of the moving block, resulting in high transmission accuracy and stable operation, which can smoothly move the jewelry to the designated detection position. However, it is necessary to apply lubricating oil to the surface of the adjusting screw regularly to prevent rust and wear.

[0008] Preferably, the adjusting screw is threadedly connected to a screw movable block on the outside, and a linkage crossbar is fixedly connected to both sides of the screw movable block.

[0009] It is worth noting that the linkage crossbar connects the lead screw movable block and the guide slider to realize the synchronous movement of the guide sliders on both sides, ensuring the smoothness and consistency of the transport and processing components; however, it is necessary to ensure that the linkage crossbar has sufficient rigidity to prevent bending deformation during operation.

[0010] Preferably, guide rails are fixedly connected to both sides of the inside of the processing table, and guide sliders are fixedly connected to the outside of the linkage crossbar, and the guide sliders slide inside the guide rails.

[0011] It is worth noting that the guide rail provides a sliding track for the guide slider, restricts the slider's movement direction, ensures the linear motion accuracy of the lead screw and subsequent components, and avoids deviation during operation; however, it is necessary to keep the surface of the guide rail clean to prevent dust and impurities from entering and causing the slider to slide and get stuck.

[0012] Preferably, a limiting moving groove is provided inside the processing table, and the moving block slides in the limiting moving groove.

[0013] It is worth noting that the limiting movement groove provides a dedicated movement space for the moving block, further restricting the movement trajectory of the moving block, improving the positioning accuracy of the transport and processing components, and preventing the moving block from shaking during operation; however, it is necessary to ensure that the dimensional accuracy of the limiting movement groove remains stable to avoid excessive gaps due to wear.

[0014] Preferably, the rotating assembly includes a mounting base fixedly mounted on the upper end of the moving block, a rotary motor fixedly mounted on the upper end of the mounting base, and a vertical rotating shaft fixedly mounted on the output end of the rotary motor.

[0015] It is worth noting that the vertical rotating shaft transmits the power of the rotary motor, causing the upper pressure plate and jewelry to rotate synchronously, thereby adjusting the angle of the detection position; however, it is important to ensure that the vertical rotating shaft has sufficient strength and rigidity to prevent bending during rotation.

[0016] Preferably, a first limiter is fixedly installed on the outer side of another set of mounting side plates, and a bidirectional adjusting cylinder is fixedly installed at the bottom of the inner side of the rotating adjusting frame plate. Two sets of pushing side plates are fixedly installed at the output end of the bidirectional adjusting cylinder. A fixed pressure block is fixedly connected to one side of the pushing side plate, and a clamping positioning plate is fixedly installed at one side of the fixed pressure block. The clamping positioning plate is provided with an anti-slip and wear-resistant soft pad on its side.

[0017] It is worth noting that: the anti-slip and wear-resistant soft pad increases the friction between the clamping positioning plate and the jewelry, preventing the jewelry from slipping; at the same time, it also acts as a buffer to avoid damage to the jewelry from rigid clamping; however, it is necessary to check the wear condition of the anti-slip and wear-resistant soft pad regularly and replace the damaged soft pad in time.

[0018] Preferably, it also includes an auxiliary stabilization detection component, which includes a hydraulic lifting rod fixedly installed on both sides of the processing table, a lifting horizontal plate fixedly installed on the output end of the hydraulic lifting rod, and a linear motor fixedly installed on the upper end of the lifting horizontal plate.

[0019] It is worth noting that the linear motor provides horizontal power to the testing instrument, which can precisely control the horizontal movement of the gantry frame, enabling the testing instrument to be horizontally aligned with the jewelry. However, it is important to ensure that the linear motor's running track is kept clean to prevent impurities from entering and affecting the running accuracy.

[0020] Preferably, a gantry-shaped moving frame is fixedly installed at the output end of the linear motor, a third servo motor is fixedly installed at one outer end of the gantry-shaped moving frame, an adjusting block is fixedly installed at the outer side of the output shaft of the third servo motor, and a second limiter is fixedly installed at the other outer end of the gantry-shaped moving frame.

[0021] It is worth noting that the second limiter precisely limits the rotation angle of the adjusting block to prevent the detection instrument from rotating too much and causing mechanical collisions, thus ensuring the consistency of the detection angle. However, it is necessary to periodically calibrate the limiting accuracy of the second limiter to avoid limiting errors due to wear.

[0022] Preferably, a fixed clamping side plate is fixedly connected to the outer side of the adjusting rotating block, and an outer fixed frame plate is fixedly connected to the outer side of the adjusting rotating block. An adjusting screw is threadedly connected to the outer fixed frame plate. An adjusting knob is fixedly installed at one end of the outer side of the adjusting screw, and a movable clamping side plate is provided at the other end of the outer side of the adjusting screw. The drilling instrument body is provided inside the fixed clamping side plate and the movable clamping side plate.

[0023] It is worth noting that the movable clamping side plate cooperates with the fixed clamping side plate to clamp and position the drilling instrument body. The clamping position can be adjusted according to the specifications of the testing instrument. However, it is important to ensure that the moving trajectory of the movable clamping side plate remains straight to avoid deviation that could lead to unstable clamping.

[0024] Compared with the prior art, the beneficial effects of the present invention are as follows: In this invention, the transport and processing components undertake the task of conveying the jewelry to be tested, which can accurately transport the jewelry from the loading station to the testing station, and after testing, it can be transported to the unloading station, realizing the automated connection of the testing process. The rotating components and the adjusting positioning components can adaptively clamp jewelry of different specifications and shapes to achieve stable positioning. At the same time, the testing angle of the jewelry can be adjusted so that the surface of the jewelry to be tested is accurately aligned with the testing instrument, further improving the adaptability of the equipment to different jewelry. Attached Figure Description

[0025] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional structural schematic diagram of the transport processing component of the present invention; Figure 3 This is a three-dimensional disassembled structural diagram of the vertical rotating shaft and the pressure-bearing base plate of the present invention; Figure 4 This is a three-dimensional structural schematic diagram of the bidirectional regulating cylinder of the present invention; Figure 5 This is a three-dimensional structural diagram of the clamping and positioning plate of the present invention; Figure 6 This is a three-dimensional structural diagram of the linear motor of the present invention; Figure 7 This is a three-dimensional structural diagram of the fixing clamping side plate of the present invention; Figure 8 This is a three-dimensional structural diagram of the movable clamping side plate of the present invention.

[0026] Reference numerals: 1. Equipment control box; 2. Processing table; 4. Moving block; 6. Pressure-bearing base plate; 301. Second servo motor; 302. Adjusting screw; 303. Screw moving block; 304. Linkage crossbar; 305. Guide slide rail; 306. Guide slider; 307. Limiting movement groove; 501. Mounting chassis; 502. Rotary motor; 503. Vertical rotation shaft; 701. Mounting side plate; 702. First servo motor; 703. Rotating adjustment frame plate; 704. First limiter; 705. Double... 706. Adjusting cylinder; 707. Pushing side plate; 708. Fixing pressure block; 709. Clamping positioning plate; 8000. Anti-slip and wear-resistant soft pad; 801. Hydraulic lifting rod; 802. Lifting horizontal plate; 803. Linear motor; 804. Portal-shaped moving frame plate; 805. Third servo motor; 806. Adjusting rotating block; 807. Second limiter; 808. Fixing clamping side plate; 809. Outer fixing frame plate; 810. Adjusting screw; 811. Adjusting knob; 812. Movable clamping side plate; 813. Drilling instrument body. Detailed Implementation

[0027] The principles and features of the present invention are described below with reference to the accompanying drawings. The examples given are only for explaining the present invention and are not intended to limit the scope of the present invention.

[0028] In the description of this application, it should be understood that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In the description of this application, "a plurality of" means two or more, unless otherwise precisely specified.

[0029] Example 1; as Figures 1-5 As shown, the device includes an equipment control box 1, which is made of Q235 cold-rolled steel plate and integrates a Siemens S7-200 SMART PLC controller. A processing table 2 is fixedly installed on the upper part of the equipment control box 1. The processing table 2 is equipped with a transport processing component for conveying the jewelry to be inspected. A moving block 4 is fixedly installed on the upper part of the transport processing component. A rotating component for adjusting the detection position by lateral rotation is installed on the upper part of the moving block 4. A pressure base plate 6 is fixedly installed on the upper part of the rotating component. An adjustment and positioning component for clamping and positioning multiple sets of jewelry of different specifications and adjusting the detection surface of the jewelry is installed on the upper part of the pressure base plate 6. The adjustment and positioning component includes two sets of mounting side plates 701 fixedly installed on both sides of the upper part of the pressure base plate 6, a first servo motor 702 fixedly installed on the outside of one set of mounting side plates 701, and an output of the first servo motor 702 fixedly installed on the upper side of the first servo motor 702. The rotating adjustment frame plate 703 at the end has a first servo motor 702, which is a Mitsubishi HC-KFS43 model. Another set of mounting side plates 701 has a first limiter 704 fixedly installed on the outside. The first limiter 704 is an Omron E2E-X10ME1 proximity sensor. The bidirectional adjustment cylinder 705 is a SMCMHL2-20D model. The bidirectional adjustment cylinder 705 is fixedly installed at the bottom inside the rotating adjustment frame plate 703. Two sets of push side plates 706 are fixedly installed at the output end of the bidirectional adjustment cylinder 705. A fixed pressure block 707 is fixedly connected to one end of the push side plate 706. A clamping positioning plate 708 is fixedly installed at one end of the fixed pressure block 707. The clamping positioning plate 708 has an anti-slip and wear-resistant soft pad 709 on its side. The clamping positioning plate 708 is made of 20CrMnTi alloy structural steel, and the anti-slip and wear-resistant soft pad 709 is made of polyurethane material.

[0030] The transport and processing assembly includes a second servo motor 301 fixedly installed on one side of the processing table 2, and an adjusting screw 302 fixedly installed on the output end of the second servo motor 301. The second servo motor 301 is a Panasonic MSMF042L1U2M model. The adjusting screw 302 is made of 40Cr alloy steel and has been heat-treated. A screw movable block 303 is threadedly connected to the outside of the adjusting screw 302. A linkage crossbar 304 is fixedly connected to both sides of the screw movable block 303. Guide slide rails 305 are fixedly connected to both sides inside the processing table 2. A guide slider 306 is fixedly connected to the outside of the linkage crossbar 304, and the guide slider 306 slides inside the guide slide rail 305. A limit moving groove 307 is opened inside the processing table 2, and the moving block 4 slides in the limit moving groove 307.

[0031] The rotating assembly includes a mounting base 501 fixedly mounted on the upper end of the movable block 4, a rotary motor 502 fixedly mounted on the upper end of the mounting base 501, and a vertical rotating shaft 503 fixedly mounted on the output end of the rotary motor 502.

[0032] During operation, the operator first places the jewelry to be tested inside the rotating adjustment frame plate 703, and starts the bidirectional adjustment cylinder 705. Its output end pushes the two sets of pushing side plates 706 to move synchronously in opposite directions. The pushing side plates 706 drive the clamping positioning plate 708 to approach the jewelry through the fixed pressure block 707 until the anti-slip and wear-resistant soft pad 709 is in close contact with the surface of the jewelry, so as to achieve stable clamping of jewelry of different sizes. The first limiter 704 monitors the position of the rotating adjustment frame plate 703 in real time to avoid excessive clamping force and damage to the jewelry. Then the second servo motor 301 is started, and its output end drives the adjusting screw 302 to rotate. The screw moving block 303 moves linearly along the adjusting screw 302 under the action of the screw thread. At the same time, the linkage crossbar 304 drives the guide slider 306 to slide in the guide rail 305. The moving block 4 moves synchronously and smoothly in the limit moving groove 307, accurately transporting the jewelry to the preset inspection station. Upon reaching the testing station, the rotary motor 502 is started. Its output end drives the pressure base plate 6 and the upper adjustment and positioning components and jewelry to rotate laterally through the vertical rotation shaft 503, thereby adjusting the testing position. If it is necessary to adjust the angle of the inspection surface of the jewelry, start the first servo motor 702, and its output end drives the rotating adjustment frame plate 703 to rotate, thereby adjusting the tilt angle of the jewelry so that the inspection surface faces the inspection direction, thus meeting the multi-face inspection requirements.

[0033] Example 2: Please refer to Figure 1 - Figure 8Based on Embodiment 1, an auxiliary stabilization detection component is added. The auxiliary stabilization detection component includes a hydraulic lifting rod 801 fixedly installed on both sides of the processing table 2, a lifting horizontal plate 802 fixedly installed on the output end of the hydraulic lifting rod 801, and a linear motor 803 fixedly installed on the upper end of the lifting horizontal plate 802. The hydraulic lifting rod 801 is selected from the ROBERTSCHNEIDERLIFT series, and the linear motor 803 is selected from the Kollmorgen IKONSL series. A portal frame plate 804 is fixedly mounted on the output end of the linear motor 803. A third servo motor 805, a Panasonic MSMF022L1U2M model, is fixedly mounted on one outer end of the portal frame plate 804. An adjusting block 806 is fixedly mounted on the outer side of the output shaft of the third servo motor 805. A second limiter 807, a Keyence LR-ZB100N laser displacement sensor, is fixedly mounted on the other outer end of the portal frame plate 804. A fixed clamping side is fixedly connected to the outer side of the adjusting block 806. Plate 808 and adjusting block 806 are fixedly connected to an outer fixed frame plate 809. An adjusting screw 810 is threaded onto the outer fixed frame plate 809. An adjusting knob 811 is fixedly installed on one end of the adjusting screw 810. A movable clamping side plate 812 is provided on the other end of the adjusting screw 810. The movable clamping side plate 812 is made of 20CrMnTi alloy structural steel, and a rubber buffer pad is attached to its inner side. The drilling instrument body 813 is provided on the inner side of the fixed clamping side plate 808 and the movable clamping side plate 812. The drilling instrument body 813 is a GIA diamond testing special model.

[0034] When working, first turn the adjusting screw 810 by adjusting the adjusting knob 811 to adjust the distance between the movable clamping side plate 812 and the fixed clamping side plate 808 according to the specifications of the drilling instrument body 813, and firmly clamp the drilling instrument body 813 between the two to ensure that the instrument does not shift during the testing process. Based on Example 1, the hydraulic lifting rod 801 is activated, and its output end drives the lifting plate 802, linear motor 803, and drilling instrument body 813 to perform lifting and lowering movements, adjusting the height of the drilling instrument body 813 to match the height of the jewelry to be tested. Then the linear motor 803 is started, and its output end drives the gantry moving frame plate 804 and the drilling instrument body 813 to make horizontal linear motion, so as to achieve precise alignment between the drilling instrument body 813 and the jewelry in the horizontal direction. If the detection angle of the drill bit body 813 needs to be adjusted, the third servo motor 805 is started. Its output shaft drives the adjustment block 806 to rotate, which in turn drives the drill bit body 813 to rotate. The second limiter 807 monitors the rotation angle of the adjustment block 806 in real time to prevent excessive rotation from causing mechanical collisions, ensuring that the drill bit body 813 is accurately aligned with the part of the jewelry to be tested, and completing the material identification and other testing items.

[0035] The above working principle can be summarized as follows: Equipment control box 1 serves as the core control unit, integrating a PLC controller to achieve coordinated control of various components; First, the positioning component is adjusted to achieve adaptive clamping and positioning of the jewelry. The transport and processing component accurately transports it to the inspection station. The rotating component and the first servo motor 702 work together to achieve multi-directional and multi-angle adjustment of the inspection surface of the jewelry. The newly added auxiliary stabilization detection component in Example 2 achieves three-dimensional adjustment of the drilling instrument body 813 in height, horizontal position and detection angle through the coordinated action of hydraulic lifting rod 801, linear motor 803 and third servo motor 805, so as to accurately align it with the part of the jewelry to be tested and complete the quality inspection. Throughout the process, the first limit switch 704 and the second limit switch 807 provide real-time position signals to ensure that each component operates accurately and safely, and to prevent damage to the equipment or jewelry.

[0036] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention.

Claims

1. A quality inspection device for jewelry, comprising a device control box (1), characterized in that, The equipment control box (1) is fixedly installed with a processing table (2). The processing table (2) is equipped with a transport processing component for transporting the jewelry to be tested. The transport processing component is fixedly installed with a moving block (4). The moving block (4) is equipped with a rotating component for horizontal rotation to adjust the detection position. The rotating component is fixedly installed with a pressure base plate (6). The pressure base plate (6) is equipped with an adjustment positioning component for clamping and positioning multiple sets of jewelry of different specifications and adjusting the detection surface of the jewelry. The adjustment positioning component includes two sets of mounting side plates (701) fixedly installed on both sides of the upper end of the pressure base plate (6), a first servo motor (702) fixedly installed on the outside of one set of mounting side plates (701), and a rotating adjustment frame plate (703) fixedly installed at the output end of the first servo motor (702).

2. The quality inspection equipment for jewelry as described in claim 1, characterized in that, The transport processing assembly includes a second servo motor (301) fixedly installed on one side of the processing table (2) and an adjusting screw (302) fixedly installed on the output end of the second servo motor (301).

3. The quality inspection equipment for jewelry as described in claim 2, characterized in that, The adjusting screw (302) is threadedly connected to a screw movable block (303) on the outside, and a linkage crossbar (304) is fixedly connected to both sides of the screw movable block (303).

4. The quality inspection equipment for jewelry as described in claim 3, characterized in that, The processing table (2) has guide rails (305) fixedly connected on both sides inside, and guide sliders (306) fixedly connected on the outside of the linkage crossbar (304), and the guide sliders (306) slide inside the guide rails (305).

5. The quality inspection equipment for jewelry as described in claim 4, characterized in that, The processing table (2) has a limiting moving groove (307) inside, and the moving block (4) slides in the limiting moving groove (307).

6. The quality inspection equipment for jewelry as described in claim 1, characterized in that, The rotating assembly includes a mounting base (501) fixedly mounted on the upper end of the moving block (4), a rotary motor (502) fixedly mounted on the upper end of the mounting base (501), and a vertical rotating shaft (503) fixedly mounted on the output end of the rotary motor (502).

7. The quality inspection equipment for jewelry as described in claim 1, characterized in that, Another set of mounting side plates (701) is fixedly installed with a first limiter (704) on the outside. A bidirectional adjusting cylinder (705) is fixedly installed at the bottom inside the rotating adjusting frame plate (703). Two sets of pushing side plates (706) are fixedly installed at the output end of the bidirectional adjusting cylinder (705). A fixed pressure block (707) is fixedly connected to one end of the pushing side plate (706). A clamping positioning plate (708) is fixedly installed at one end of the fixed pressure block (707). The clamping positioning plate (708) is provided with an anti-slip and wear-resistant soft pad (709) on the side end.

8. The quality inspection equipment for jewelry as described in claim 1, characterized in that, It also includes an auxiliary stabilization detection component, which includes a hydraulic lifting rod (801) fixedly installed on both sides of the processing table (2), a lifting horizontal plate (802) fixedly installed on the output end of the hydraulic lifting rod (801), and a linear motor (803) fixedly installed on the upper end of the lifting horizontal plate (802).

9. A quality inspection device for jewelry as described in claim 8, characterized in that, A gantry-shaped moving frame plate (804) is fixedly installed at the output end of the linear motor (803). A third servo motor (805) is fixedly installed at one end of the outer side of the gantry-shaped moving frame plate (804). An adjusting block (806) is fixedly installed on the outer side of the output shaft of the third servo motor (805). A second limiter (807) is fixedly installed at the other end of the outer side of the gantry-shaped moving frame plate (804).

10. A quality inspection device for jewelry as described in claim 9, characterized in that, A fixed clamping side plate (808) is fixedly connected to the outside of the adjusting block (806), and an outer fixed frame plate (809) is fixedly connected to the outside of the adjusting block (806). An adjusting screw (810) is threaded onto the outer fixed frame plate (809). An adjusting knob (811) is fixedly installed at one end of the adjusting screw (810), and a movable clamping side plate (812) is provided at the other end of the adjusting screw (810). The drilling instrument body (813) is provided inside the fixed clamping side plate (808) and the movable clamping side plate (812).

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