Pearl clamping device based on pearl detection

Abstract

The utility model discloses a pearl clamping device based on pearl detection, and relates to the technical field of pearl detection clamping devices. The pearl clamping device comprises a workbench and a supporting frame. An electric push rod is arranged on the supporting frame, and the output end of the electric push rod is connected with an L-shaped mounting plate. When the device is used for clamping pearls to be detected and clamped, the pearls to be detected and clamped are placed on a concave supporting plate, then a first motor is started to drive a first rotating shaft and a connecting frame to rotate, and therefore an upper clamping piece of a proper model can be rotated; then an electric push rod is started to enable the selected upper clamping piece to move towards a concave supporting plate, the clamping process is completed through a movable block, a movable rod, a movable pipe, a hollow pipe and a spring, in the process, a pressure sensor receives a pressure signal, the stroke of the electric push rod can be stopped in time, and the clamping efficiency is improved. The situation that the pearl to be detected and clamped is damaged due to the fact that the applied pressure is large is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pearl detection and clamping devices, in particular to a pearl clamping device based on pearl detection. Background Art

[0002] As people's living standards improve, the demand for jewelry is also increasing. Among them, pearl jewelry is widely welcomed for its unique luster and elegant temperament. However, the rapid development of the market has also brought a series of problems, such as the uneven quality of pearls, the ambiguity of quality grades, and the difficulty in identifying the authenticity of pearl products.

[0003] Therefore, pearls need to be tested before they leave the factory. The surface of pearls is usually smooth, so they need to be clamped during testing to facilitate the testing process. However, the sizes and diameters of pearls are not consistent. Some existing clamping devices for pearl testing are usually equipped with only one clamping component of fixed specifications to uniformly clamp the pearls. In addition, some clamping devices cannot grasp the clamping force exerted on the pearls to be tested during clamping. When the pearls are clamped by a clamping component of fixed specifications, when faced with pearls whose specifications cannot be completely matched with the clamping component, a larger clamping force is usually required to keep their position fixed to prevent shaking from affecting the testing process. This process may cause damage to the pearls to be tested.

[0004] Therefore, we propose a pearl clamping device based on pearl detection to solve the above-mentioned technical problems. Utility Model Content

[0005] In view of this, the main purpose of the present invention is to provide a pearl clamping device based on pearl detection, which is used to solve the above problems.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: it includes a workbench and a support frame; an electric push rod is arranged on the support frame, the output end of the electric push rod is connected with an L-shaped mounting plate, a rotating shaft 1 is arranged on one side of the L-shaped mounting plate, a plurality of connecting frames are fixed in an annular shape on the side wall of the rotating shaft 1, and a plurality of connecting frames are respectively connected with upper clamping members with equidistantly increasing diameters at one end away from the rotating shaft 1, a rotating shaft 2 is rotatably arranged on the workbench, a base is fixed on a side of the rotating shaft 2 relative to the electric push rod, a plurality of hollow tubes are distributed in a rectangular shape on the base, a pressure sensor is arranged on the side of the base away from the rotating shaft 2, a movable block is arranged on the side of the pressure sensor away from the base, movable tubes are slidably arranged in the plurality of hollow tubes, a movable rod is arranged between the movable tube and the movable block, and a concave supporting plate is arranged on the movable block.

[0007] As a preferred solution, a motor 1 for rotating shaft 1 is provided on the L-shaped mounting plate, and the motor 1 is fixed on the side of the L-shaped mounting plate away from the rotating shaft 1, and the output end of the motor 1 passes through the L-shaped mounting plate and is connected to the rotating shaft 1.

[0008] As a preferred solution, the upper clamping member is composed of a fixed plate, a limiting rotating shaft and a semicircular silicone sheet, the fixed plate is connected to the connecting frame, and the semicircular silicone sheet is rotatably connected to the fixed plate through the limiting rotating shaft.

[0009] As a preferred solution, one end of the second rotating shaft extends to the side of the workbench away from the base, and a gear one is fixed to the end of the second rotating shaft away from the base. A driving mechanism for driving the second rotating shaft to rotate is provided on one side of the gear one, and the driving mechanism includes a motor two and a gear two. The motor two is provided on one side of the gear one, and the gear two is connected to the output end of the motor two, and the gear two is meshingly connected with the gear one.

[0010] As a preferred solution, a spring is provided inside the hollow tube for returning the movable tube to its original position after movement.

[0011] As a preferred solution, a PLC controller is provided on the support frame, and the PLC controller is electrically connected to the motor 1, the pressure sensor and the motor 2.

[0012] As a preferred solution, a control console is provided on the workbench.

[0013] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that it mainly has the following advantages:

[0014] When the device clamps the pearls to be tested and clamped, the pearls to be tested and clamped are placed on the concave support plate, and then the motor is started to drive the rotating shaft and the connecting frame to rotate, so that the upper clamping piece of the appropriate type can be rotated, and then the electric push rod is started to move the selected upper clamping piece toward the concave support plate, and the clamping process is completed by the movable block, the movable rod, the movable tube, the hollow tube and the spring. In this process, the pressure sensor receives the pressure signal, and the travel of the electric push rod can be stopped in time, so as to reduce the situation that the pearls to be tested and clamped are damaged due to the high pressure.

[0015] In order to more clearly illustrate the mechanism features and effects of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a vertical structural schematic diagram of an embodiment of the utility model;

[0017] Figure 2 It is a bottom view schematic diagram of the vertical structure of an embodiment of the utility model;

[0018] Figure 3 This is an enlarged schematic diagram of a portion of the rotating shaft structure of an embodiment of the utility model;

[0019] Figure 4 It is a partial structure enlarged schematic diagram of the pressure sensor of the embodiment of the utility model;

[0020] Figure 5 It is a schematic cross-sectional view of a portion of the structure of a pressure sensor according to an embodiment of the utility model;

[0021] Figure 6 It is an enlarged schematic diagram of a gear structure of an embodiment of the present utility model.

[0022] Explanation of the reference numerals in the accompanying drawings: 1. workbench; 2. electric push rod; 3. L-shaped mounting plate; 4. rotating shaft 1; 5. connecting frame; 6. upper clamp; 7. motor 1; 8. rotating shaft 2; 9. base; 10. hollow tube; 11. movable tube; 12. movable rod; 13. movable block; 14. concave support plate; 15. pressure sensor; 16. gear 1; 17. motor 2; 18. gear 2; 19. control panel; 20. PLC controller; 21. spring. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and implementation examples. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] See also Figures 1 to 6The embodiment of the utility model provides a pearl clamping device based on pearl detection, including a workbench 1 and a support frame; an electric push rod 2 is arranged on the support frame, the electric push rod 2 is fixed to the support frame by bolts, and the electric push rod 2 is arranged vertically pointing to the position of the workbench 1, the output end of the electric push rod 2 is connected to an L-shaped mounting plate 3, a rotating shaft 4 is arranged on one side of the L-shaped mounting plate 3, the rotating shaft 4 can rotate on the L-shaped mounting plate 3, and the side wall of the rotating shaft 4 is annularly fixed with multiple groups of connecting frames 5, and the multiple groups of connecting frames 5 are respectively connected to upper clamping members 6 with equidistantly increasing diameters away from the rotating shaft 4. The upper clamping member 6 is composed of a fixed plate, a limiting rotating shaft and a semicircular silicone sheet, and the fixed plate is connected to the connecting frame 5. The semicircular silicone sheet is rotatably connected to the fixed plate through a limiting rotating shaft. The upper clamping piece 6 with increasing diameters can be used to detect pearls of different sizes. At the same time, the semicircular silicone sheet of the upper clamping piece 6 can be rotated on the fixed plate through the limiting rotating shaft. A rotating shaft 8 is rotatably arranged on the workbench 1. A base 9 is fixed on the side of the rotating shaft 8 relative to the electric push rod 2. A plurality of groups of hollow tubes 10 are distributed in a rectangular shape on the base 9. A pressure sensor 15 is arranged on the side of the base 9 away from the rotating shaft 8. A movable block 13 is arranged on the side of the pressure sensor 15 away from the base 9. Movable tubes 11 are slidably arranged in the plurality of hollow tubes 10. A movable rod 12 is arranged between the movable tube 11 and the movable block 13. The inner side of the hollow tube 10 is provided with A spring 21 is used for returning the movable tube 11 after it moves. A concave support plate 14 is provided on the movable block 13, and the concave support plate 14 is provided in such a manner that it can be in the same vertical line with the rotating connecting frame 5 and the upper clamping piece 6. When the device is used, the pearl to be detected and clamped is first placed on the concave support plate 14, and then the connecting frame 5 is rotated by the rotatable rotating shaft 4, and the semicircular silicone sheet contained in the upper clamping piece 6 is appropriately selected. When the upper clamping piece 6 on the connecting frame 5 is in the same vertical line with the concave support plate 14, the electric push rod 2 is started at this time to drive the L-shaped mounting plate 3, the rotating shaft 4, the connecting frame 5 and the upper clamping piece 6 to move toward the concave support plate 14. The upper clamping piece 6 moves, and then the semicircular silicone sheet and the concave support plate 14 included in the upper clamping piece 6 are used to limit the position of the pearl to be detected and clamped. As the upper clamping piece 6 continues to move toward the concave support plate 14, the movable block 13, the movable rod 12 and the movable tube 11 will move downward, and the movement of the movable tube 11 will cause the spring 21 to store elastic force. When the movable block 13 contacts the pressure sensor 15, the pressure sensor 15 is used to limit the descending amplitude of the movable block 13, thereby avoiding excessive descent of the movable block 13. That is, when the movable block 13 releases the pressure sensor 15, the electric push rod 2 stops driving the L-shaped mounting plate 3, the rotating shaft 14, the connecting frame 5 and the upper clamping piece 6 to move toward the concave support plate 14.At this time, the upper clamping member 6, the concave support plate 14 and the spring 21 make the movable tube 11, the movable rod 12, the movable block 13 and the concave support plate 14 upwardly elastic to complete the process of clamping the pearls to be tested and clamped. After the clamping is completed, the base 9 can be rotated by rotating the second shaft 8. Because the semicircular silicone sheet of the upper clamping member 6 is rotatably connected with the fixed plate through the limit shaft, and the upper clamping member 6 is in the same vertical line with the concave support plate 14 after rotating through the connecting frame 5, the pearls to be tested clamped between the concave support plate 14 and the upper clamping member 6 can be rotated by rotating the second shaft 8, so that the pearls to be tested can be tested at multiple angles, and the situation that the pearls are damaged due to frequent replacement of the clamping parts of the pearls when the surfaces to be tested are different can be reduced. Therefore, the scope of application of the device can be further improved.

[0026] See also Figures 1 to 6 A motor 7 for rotating the rotating shaft 4 is arranged on the L-shaped mounting plate 3. The motor 7 is fixed on the side of the L-shaped mounting plate 3 away from the rotating shaft 4, and the output end of the motor 7 passes through the L-shaped mounting plate 3 and is connected to the rotating shaft 4. By starting the motor 7, the rotating shaft 4 can be driven to rotate, thereby driving the connecting frame 5 to rotate.

[0027] See also Figures 1 to 6 One end of the rotating shaft 8 extends to the side of the workbench 1 away from the base 9, and a gear 16 is fixed to the end of the rotating shaft 8 away from the base 9. A driving mechanism for driving the rotating shaft 8 to rotate is provided on one side of the gear 16. The driving mechanism includes a motor 2 17 and a gear 2 18. The motor 2 17 is provided on one side of the gear 16. The gear 2 18 is connected to the output end of the motor 2 17, and the gear 2 18 is meshed with the gear 16. By starting the motor 2 17, the gear 2 18 can be driven to rotate. Since the gear 2 18 and the gear 16 are meshed, the gear 16 can be driven to rotate, thereby driving the rotating shaft 2 8 to rotate.

[0028] See also Figures 1 to 3A PLC controller 20 is arranged on the support frame, and the PLC controller 20 is electrically connected with the motor 1 7, the pressure sensor 15 and the motor 2 17. A control console 19 is arranged on the workbench 1. The specific process of the PLC controller 20 of this device being electrically connected with the motor 1 7, the pressure sensor 15 and the motor 2 17 adopts the existing technology. At the same time, the control process of the PLC controller 20, the motor 1 7, the pressure sensor 15 and the motor 2 17 through the control console 19 can be implemented in the existing technology and will not be described in detail. After receiving and sensing the pressure of the movable block 13, the pressure sensor 15 converts the signal through the PLC controller 20, and then controls the electric push rod 2. The control of the PLC controller 20, the motor 1 7, the pressure sensor 15 and the motor 2 17 through the control console 19 can reduce the labor intensity of manual control, and at the same time improve the accuracy during detection, and the practicability is strong.

[0029] In summary, when the device clamps the pearls to be detected and clamped, the pearls to be detected and clamped are first placed on the concave support plate 14, and then the motor 7 is started to drive the rotating shaft 4 and the connecting frame 5 to rotate, so that the upper clamping piece 6 of the appropriate model can be rotated, and then the upper clamping piece 6 selected is moved toward the concave support plate 14 by starting the electric push rod 2, and the clamping process is completed by the movable block 13, the movable rod 12, the movable tube 11, the hollow tube 10 and the spring 21. In this process, the pressure sensor 15 receives the pressure signal, and the travel of the electric push rod 2 can be stopped in time to reduce the situation where the pearls to be detected and clamped are damaged due to the high pressure applied;

[0030] In addition, the device can rotate the pearls to be tested clamped between the concave support plate 14 and the upper clamping member 6 by starting the motor 2 17 and cooperating with the rotatable semicircular silicone sheet included in the upper clamping member 6, so as to facilitate the multi-angle testing process of the pearls to be tested and reduce the situation where the pearls are damaged due to frequent replacement of the clamping parts when the pearls to be tested have different surfaces to be tested.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pearl clamping device based on pearl detection, comprising a workbench (1) and a support frame; characterized in that: The support frame is provided with an electric push rod (2), the output end of the electric push rod (2) is connected to an L-shaped mounting plate (3), one side of the L-shaped mounting plate (3) is provided with a rotating shaft (4), the side wall of the rotating shaft (4) is annularly fixed with a plurality of connecting frames (5), the plurality of connecting frames (5) are respectively connected with upper clamping members (6) with equidistantly increasing diameters at one end away from the rotating shaft (4), the workbench (1) is rotatably provided with a rotating shaft (8), the rotating shaft (8) is fixed relative to one side of the electric push rod (2) A base (9) is provided, and a plurality of groups of hollow tubes (10) are distributed in a rectangular shape on the base (9); a pressure sensor (15) is provided on the side of the base (9) away from the second rotating shaft (8); a movable block (13) is provided on the side of the pressure sensor (15) away from the base (9); movable tubes (11) are slidably provided in the plurality of groups of hollow tubes (10); a movable rod (12) is provided between the movable tubes (11) and the movable block (13); and a concave support plate (14) is provided on the movable block (13).

2. A pearl clamping device based on pearl detection according to claim 1, characterized in that: A motor (7) for rotating the rotating shaft (4) is arranged on the L-shaped mounting plate (3); the motor (7) is fixed on a side of the L-shaped mounting plate (3) away from the rotating shaft (4); and an output end of the motor (7) passes through the L-shaped mounting plate (3) and is connected to the rotating shaft (4).

3. A pearl clamping device based on pearl detection according to claim 1, characterized in that: The upper clamping member (6) is composed of a fixed plate, a limiting rotating shaft and a semicircular silicone sheet; the fixed plate is connected to the connecting frame (5); and the semicircular silicone sheet is rotatably connected to the fixed plate via the limiting rotating shaft.

4. A pearl clamping device based on pearl detection according to claim 1, characterized in that: One end of the second rotating shaft (8) extends to a side of the workbench (1) away from the base (9); a gear (16) is fixed to the end of the second rotating shaft (8) away from the base (9); a driving mechanism for driving the second rotating shaft (8) to rotate is arranged on one side of the gear (16); the driving mechanism comprises a second motor (17) and a second gear (18); the second motor (17) is arranged on one side of the gear (16); the second gear (18) is connected to the output end of the second motor (17), and the second gear (18) is meshedly connected with the first gear (16).

5. The pearl clamping device based on pearl detection according to claim 1, characterized in that: A spring (21) is arranged on the inner side of the hollow tube (10) for returning the movable tube (11) to its original position after movement.

6. A pearl clamping device based on pearl detection according to claim 1, characterized in that: A PLC controller (20) is arranged on the support frame, and the PLC controller (20) is electrically connected to the motor 1 (7), the pressure sensor (15) and the motor 2 (17).

7. A pearl clamping device based on pearl detection according to claim 1, characterized in that: A control console (19) is arranged on the workbench (1).

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