Visual inspection equipment

Abstract

The utility model discloses visual inspection equipment, which relates to the technical field of workpiece production and comprises a cabinet, an X-axis driving device is mounted on the upper portion of the cabinet, a Y-axis driving device is mounted at the driving end of the X-axis driving device, and a shading box is mounted on the upper portion of the cabinet and located on one side of the X-axis driving device. A workpiece detection station is installed in the shading box, a CCD camera is installed at the position, behind the workpiece detection station, in the shading box, and the CCD camera can transmit image data of a workpiece to a display screen, automatic control and video watching can be achieved when the workpiece is detected, and therefore whether the product is a good product or not can be more intuitively judged, and the detection efficiency is improved. In addition, an automatic comparison program is arranged, manual recognition can be assisted, the detection efficiency can be improved, the detected products are automatically classified through the mechanical arm, and therefore defective products can be picked out.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece production, in particular to a visual inspection device. Background Art

[0002] After the production of small workpieces, the size of the workpiece blade needs to be inspected to find out whether the workpiece is qualified. Existing equipment for workpiece inspection is shown in a workpiece inspection instrument disclosed in patent CN201196562Y. When using this disclosed patent, the workpiece to be tested is manually placed in a workpiece fixing device, and the position of the CCD camera is manually adjusted. In this way, it takes a long time to inspect a workpiece, and batch inspection cannot meet the requirements. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a visual inspection device, which solves the problem that the prior workpiece inspection device takes a long time to inspect and cannot perform batch inspection.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a visual inspection device, including a cabinet, an X-axis driving device is installed on the upper part of the cabinet, a Y-axis driving device is installed on the driving end of the X-axis driving device, a light shielding box is installed on the upper part of the cabinet and on one side of the X-axis driving device, a workpiece detection station is installed inside the light shielding box, and a CCD camera is installed inside the light shielding box behind the workpiece detection station, a display screen is installed on the side of the cabinet, the detection lens of the CCD camera corresponds to the position of the workpiece detection station, the CCD camera can transmit the image data of the workpiece to the display screen, and display the workpiece data to the staff through the display screen, and a tray fixture is placed on the upper part of the cabinet and in front of the X-axis driving device and the light shielding box.

[0005] As a preferred technical solution, an alarm light is installed on the upper part of the display screen.

[0006] As a preferred technical solution, a plurality of tray positioning strips are fixed to the upper surface of the cabinet.

[0007] As a preferred technical solution, a plurality of workpiece placement grooves are provided on the upper surface of the pallet jig, and positioning grooves are provided on the edge of the pallet jig, so that the pallet jig can be accurately placed on the cabinet through the pallet positioning strips and the positioning grooves.

[0008] As a preferred technical solution, the X-axial drive device includes a base fixed on the upper surface of the cabinet and a servo motor A, the driving end of the servo motor A is connected to a screw rod A, the base and the outside of the screw rod A are commonly connected to a drive seat A, the base and the drive seat A are slidably connected by a slide rail, and the screw rod A and the drive seat A are connected by a thread.

[0009] As a preferred technical solution, the Y-axis drive device includes a bracket fixed to the upper surface of the cabinet, the upper part of the bracket is fixedly connected to a frame body, the internal part of the frame body is rotatably connected to a screw rod B, the end of the screw rod B is connected to a servo motor B installed on the outside of the frame body, the external thread of the screw rod B is connected to a drive seat B, the end of the drive seat B is connected to a cylinder mounting seat, a lifting cylinder is installed inside the cylinder mounting seat, the telescopic end of the lifting cylinder is connected to a nozzle mounting seat, and a workpiece nozzle is installed at the bottom of the nozzle mounting seat. Beneficial Effects

[0010] The utility model provides a visual inspection device. Compared with the prior art, it has the following beneficial effects:

[0011] This patented product can realize automatic control when inspecting workpieces, and also has video viewing, which makes it more intuitive to see whether the product is good or not, making it easier to select. In addition, this patent is equipped with an automatic comparison program, which can assist manual identification and speed up the efficiency of inspection. The inspected products are automatically classified by a robot, so that defective products can be selected out. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a structural schematic diagram of the X-axis driving device in the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the Y-axis driving device in the utility model;

[0015] Figure 4 It is a structural schematic diagram of the pallet fixture in the utility model.

[0016] In the figure: 1. cabinet; 2. X-axis drive device; 21. base; 22. servo motor A; 23. screw A; 24. drive seat A; 25. slide rail; 3. Y-axis drive device; 31. bracket; 32. frame body; 33. screw B; 34. servo motor B; 35. drive seat B; 36. cylinder mounting seat; 37. lifting cylinder; 38. nozzle mounting seat; 39. workpiece nozzle; 4. light shielding box; 5. workpiece detection station; 6. CCD camera; 7. display screen; 8. alarm light; 9. pallet positioning strip; 10. pallet fixture; 101. workpiece placement slot; 102. positioning slot. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1 The utility model provides a technical solution: a visual inspection device, including a cabinet 1, an X-axis driving device 2 is installed on the upper part of the cabinet 1, a Y-axis driving device 3 is installed on the driving end of the X-axis driving device 2, a light shielding box 4 is installed on the upper part of the cabinet 1 and on one side of the X-axis driving device 2 (to prevent the surrounding light from affecting the collection of image data by a CCD camera 6), a workpiece detection station 5 is installed inside the light shielding box 4, and a CCD camera 6 is installed inside the light shielding box 4 behind the workpiece detection station 5, a display screen 7 is installed on the side of the cabinet 1, and the detection lens of the CCD camera 6 is connected to the The position of the workpiece detection station 5 corresponds to the CCD camera 6, which can transmit the image data of the workpiece to the display screen 7, and display the workpiece data to the staff through the display screen 7. An alarm light 8 is installed on the upper part of the display screen 7 (when the CCD camera 6 detects that the workpiece data is abnormal, the alarm light 8 is always on for warning), and a pallet fixture 10 is placed on the upper part of the cabinet 1 and in front of the X-axial drive device 2 and the light shielding box 4 (there are two pallet fixtures 10, one for storing uninspected workpieces and the other for storing inspected workpieces), and a plurality of pallet positioning strips 9 are fixed to the upper surface of the cabinet 1.

[0019] See also Figure 4A plurality of workpiece placement grooves 101 are provided on the upper surface of the pallet jig 10, and a positioning groove 102 is provided on the edge of the pallet jig 10. The pallet jig 10 is accurately placed on the cabinet 1 through the pallet positioning strip 9 and the positioning groove 102. The number, shape, and position of the pallet positioning strip 9 and the positioning groove 102 are all adapted. When in use, the staff can directly place the pallet jig 10 and let the pallet positioning strip 9 be located in the positioning groove 102 to prevent the pallet jig 10 from being offset.

[0020] See also Figure 2 The X-axis driving device 2 includes a base 21 fixed on the upper surface of the cabinet 1, and a servo motor A22. The driving end of the servo motor A22 is connected to a screw rod A23. The base 21 and the outside of the screw rod A23 are commonly connected to a driving seat A24. The base 21 and the driving seat A24 are slidably connected via a slide rail 25. The screw rod A23 and the driving seat A24 are threadedly connected. The servo motor A22 drives the screw rod A23 to rotate. Under the action of the thread and the slide rail 25, the driving seat A24 moves, thereby driving the Y-axis driving device 3 to move along the X-axis direction.

[0021] See also Figure 3 The Y-axis driving device 3 includes a bracket 31 fixed to the upper surface of the cabinet 1, the upper part of the bracket 31 is fixedly connected to the frame body 32, the inner part of the frame body 32 is rotatably connected to a screw rod B33, the end of the screw rod B33 is connected to a servo motor B34 installed outside the frame body 32, the outer thread of the screw rod B33 is connected to a drive seat B35, the end of the drive seat B35 is connected to a cylinder mounting seat 36, a lifting cylinder 37 is installed inside the cylinder mounting seat 36, and the telescopic end of the lifting cylinder 37 is connected to a nozzle mounting seat 38 A workpiece suction nozzle 39 is installed at the bottom of the suction nozzle mounting seat 38 (the workpiece suction nozzle 39 is connected to an external suction device, not shown in the figure), and the servo motor B34 drives the screw rod B33 to rotate. Under the action of the thread and the slide rail, the drive seat B35 is driven to move along the Y-axis, so that the cylinder mounting seat 36 equipped with the lifting cylinder 37 can move synchronously, and adjust according to the position of the workpiece, and drive the suction nozzle mounting seat 38 to rise and fall through the lifting cylinder 37, so as to adjust the position of the workpiece suction nozzle 39, which is convenient for sucking and releasing the workpiece.

[0022] When in use, for example: the tray fixture 10 in front of the X-axis driving device 2 stores uninspected workpieces, and the tray fixture 10 in front of the light shielding box 4 stores inspected workpieces;

[0023] The X-axis driving device 2 is actuated to cause the Y-axis driving device 3 to move above the uninspected workpiece, the workpiece suction nozzle 39 descends to absorb a workpiece, the X-axis driving device 2 drives the Y-axis driving device 3 to retreat, the Y-axis driving device 3 drives the workpiece suction nozzle 39 to move horizontally to just above the workpiece inspection station 5, the workpiece suction nozzle 39 descends to place the workpiece in the workpiece inspection station 5, the CCD camera 6 detects the data of the workpiece and displays the data to the staff through the display screen 7, when the workpiece is qualified, the workpiece suction nozzle 39 descends to absorb the workpiece, the X-axis driving device 2 is actuated to cause the Y-axis driving device 3 to move above the tray fixture 10 where the inspected workpiece is stored, and put the workpiece down, the Y-axis driving device 3 moves horizontally and retreats, and this cycle is repeated. During the movement, the workpiece suction nozzle 39 forms a rectangular trajectory in a counterclockwise direction, and batch inspection of workpieces can be completed.

Claims

1. A visual inspection device, comprising a cabinet (1), characterized in that: An X-axis driving device (2) is installed on the upper part of the cabinet (1), and a Y-axis driving device (3) is installed on the driving end of the X-axis driving device (2). A light shielding box (4) is installed on the upper part of the cabinet (1) and located on one side of the X-axis driving device (2). A workpiece detection station (5) is installed inside the light shielding box (4), and a CCD camera (6) is installed inside the light shielding box (4) and located behind the workpiece detection station (5). A display screen (7) is installed on the side of the cabinet (1), and the detection lens of the CCD camera (6) corresponds to the position of the workpiece detection station (5). The CCD camera (6) can transmit image data of the workpiece to the display screen (7), and display the workpiece data to the staff through the display screen (7). A tray fixture (10) is placed on the upper part of the cabinet (1) and located in front of the X-axis driving device (2) and the light shielding box (4).

2. A visual inspection device according to claim 1, characterized in that: An alarm light (8) is installed on the upper part of the display screen (7); the alarm light (8) is arranged on the upper part of the display screen (7); and the alarm light (8) is electrically connected to the display screen (7).

3. A visual inspection device according to claim 1, characterized in that: A plurality of pallet positioning strips (9) are fixed to the upper surface of the cabinet (1), and the pallet fixture (10) can be fixed via the pallet positioning strips (9).

4. A visual inspection device according to claim 3, characterized in that: The upper surface of the pallet jig (10) is provided with a plurality of workpiece placement grooves (101), and the edge of the pallet jig (10) is provided with positioning grooves (102), and the pallet jig (10) is accurately placed on the cabinet (1) through the pallet positioning strip (9) and the positioning grooves (102).

5. A visual inspection device according to claim 1, characterized in that: The X-axis drive device (2) comprises a base (21) fixed to the upper surface of the cabinet (1) and a servo motor A (22); a drive end of the servo motor A (22) is connected to a screw rod A (23); the base (21) and the screw rod A (23) are externally connected to a drive seat A (24); the base (21) and the drive seat A (24) are slidably connected via a slide rail (25); and the screw rod A (23) and the drive seat A (24) are connected via threads.

6. A visual inspection device according to claim 1, characterized in that: The Y-axis driving device (3) comprises a bracket (31) fixed to the upper surface of the cabinet (1); the upper part of the bracket (31) is fixedly connected to a frame body (32); the frame body (32) is internally rotatably connected to a screw rod B (33); the end of the screw rod B (33) is connected to a servo motor B (34) installed outside the frame body (32); the external thread of the screw rod B (33) is connected to a drive seat B (35); the end of the drive seat B (35) is connected to a cylinder mounting seat (36); a lifting cylinder (37) is installed inside the cylinder mounting seat (36); the telescopic end of the lifting cylinder (37) is connected to a nozzle mounting seat (38); and a workpiece nozzle (39) is installed at the bottom of the nozzle mounting seat (38).

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