CCD (Charge Coupled Device) screening machine for detecting inner hole defects

Abstract

The utility model discloses a CCD (charge coupled device) screening machine for inner hole defect detection, which relates to the technical field of inner hole workpiece detection and comprises a support table and a CCD screening machine main body, the CCD screening machine main body is fixedly mounted at the top of the support table, an auxiliary screening mechanism is arranged at the top of the support table, and automatic rejecting mechanisms are arranged on the right side and the top of the support table. And the automatic removing mechanism comprises a supporting bent rod and a connecting handle, the supporting bent rod is fixedly installed on the right side of the supporting table, and an electromagnet is fixedly installed at the end, away from the supporting table, of the supporting bent rod. Through the design of the electromagnet, the electromagnet can be electrified to generate magnetic force to adsorb the iron sheet, the movable block can stretch the elastic piece to move rightwards along with the electromagnet, the movable bottom plate is promoted to move rightwards through transmission of the connecting square rod, and then a defective workpiece on the top of the movable bottom plate can fall off under the action of gravity; the function of automatically removing defective workpieces is achieved, use by a user is facilitated, and the overall screening efficiency of the structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of inner hole workpiece detection, in particular to a CCD screening machine for inner hole defect detection. Background Art

[0002] The CCD screening machine is mainly composed of three parts: image acquisition system, image processing system and actuator. Among them, the image acquisition system is the core part of the CCD screening machine. It converts the physical image into a digital signal through a high-precision camera and sensor. The image processing system is responsible for further processing and analysis of the acquired image to extract the required information. Finally, the actuator performs corresponding operations on the physical object according to the processed results. The CCD screening machine is often used when screening workpieces with concave inner holes on the top.

[0003] A Chinese patent discloses a CCD automatic screening machine, with the publication number CN217797444U. The technical solution disclosed in the patent document is as follows: it includes: a workbench, and a mounting frame erected on the workbench; a feed chute, arranged at one end of the workbench; a discharge port, arranged at the other end of the workbench and opposite to the feed chute; and a grabbing mechanism, arranged on the workbench.

[0004] In order to solve the problem that manually measured data may have large errors, the existing technology uses components such as designed positioning cylinders to automatically test dimensions. However, there is still a situation where defective workpieces cannot be automatically rejected. When defective workpieces are detected, users are required to manually reject the defective workpieces, which leads to the problem that manual rejection is slow and affects the overall detection efficiency. Utility Model Content

[0005] The utility model aims to provide a CCD screening machine for inner hole defect detection to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A CCD screening machine for inner hole defect detection comprises a support platform and a CCD screening machine body, wherein the CCD screening machine body is fixedly mounted on the top of the support platform, an auxiliary screening mechanism is arranged on the top of the support platform, and an automatic rejection mechanism is arranged on the right side and the top of the support platform.

[0008] The automatic rejection mechanism includes a supporting bent rod and a connecting handle, the supporting bent rod is fixedly installed on the right side of the supporting platform, an electromagnet is fixedly installed on the end of the supporting bent rod away from the supporting platform, a frame to be tested is fixedly installed on the right side of the connecting handle, a movable base plate is slidably connected to the inner wall of the frame to be tested, a connecting square rod is fixedly installed on the right side of the movable base plate, a movable block is fixedly installed on the top of the connecting square rod, an iron sheet is fixedly installed on the inner wall of the movable block, an elastic member is fixedly installed on the left side of the movable block, and the left side of the elastic member is fixedly connected to the right side of the frame to be tested, and the electromagnet can absorb the iron sheet when energized, thereby driving the movable base plate to move, and discharging the workpiece.

[0009] A further improvement of the technical solution of the utility model is that the automatic rejection mechanism also includes a positioning ring, which is fixedly installed on the top of the support platform, and a receiving tube is movably connected to the inner wall of the positioning ring, and the positioning ring is used to movably limit the receiving tube.

[0010] A further improvement of the technical solution of the utility model is that a spring is fixedly installed on the bottom of the inner wall of the receiving tube, a partition is fixedly connected to the top of the spring, a rubber plate is fixedly connected to the top of the partition, the outer wall of the partition is movably connected to the inner wall of the receiving tube, and the spring and the rubber plate both have a certain elasticity for protecting the safety of the falling workpiece.

[0011] A further improvement of the technical solution of the utility model is that the auxiliary screening mechanism comprises a lifting leg, the lifting leg is fixedly mounted on the top of the support platform, and a round table is fixedly mounted on the top of the lifting leg.

[0012] A further improvement of the technical solution of the utility model is that a stepper motor is fixedly installed at the center of the bottom of the truncated table, a rotating table is rotatably connected to the center of the top of the truncated table, the output shaft of the stepper motor is fixedly connected to the bottom of the rotating table, and the stepper motor can drive the rotating table to rotate, thereby switching the position of the workpiece.

[0013] A further improvement of the technical solution of the utility model is that a raised platform is fixedly installed at the center of the top of the rotating table, an annular frame is movably sleeved on the outer wall of the raised platform, and a raised frame is fixedly connected to the top of the annular frame. The connection relationship design between the raised platform and the raised frame facilitates the user to disassemble and assemble the annular frame.

[0014] A further improvement of the technical solution of the utility model is that a locking bolt is threadedly connected to the outer wall of the raised frame, the threaded end of the locking bolt is movably connected to the outer wall of the raised platform, and a handle is welded on the inner wall of the annular frame. The design of the handle makes it easy for users to move the disassembled annular frame.

[0015] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0016] 1. The utility model provides a CCD screening machine for inner hole defect detection. Through the design of the electromagnet, it can be energized to generate magnetic force to adsorb the iron sheet, and the movable block will stretch the elastic part to move to the right, and the transmission of the connecting square rod will cause the movable bottom plate to move to the right, so that the defective workpiece on the top of the movable bottom plate can fall under the action of gravity, realizing the function of automatically removing the defective workpiece, which is convenient for users to use and improves the overall screening efficiency of the structure.

[0017] 2. The utility model provides a CCD screening machine for inner hole defect detection. Through the design of the raised frame and the locking bolt, the annular frame is detachably connected to the outer wall of the raised platform as a whole, which is convenient for users to disassemble and maintain the annular frame as a whole. Through the design of the stepper motor, the annular frame can be driven to rotate as a whole, so that different frames to be tested are moved together with the workpiece to the bottom of the CCD screening machine body, thereby ensuring the continuity of the screening of the CCD screening machine body and improving the practicality of this structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the test frame of the utility model;

[0020] Figure 3 This is a schematic diagram of the cutaway structure of the receiving tube of the utility model;

[0021] Figure 4 This is a schematic diagram of the bottom structure of the circular table of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the annular frame of the utility model.

[0023] In the figure: 1. support table; 11. CCD screening machine body;

[0024] 2. Auxiliary screening mechanism; 21. Lifting leg; 22. Stepping motor; 23. Round table; 24. Rotating table; 25. Raised table; 26. Ring frame; 27. Raised frame; 28. Locking bolt; 29. ​​Handle;

[0025] 3. Automatic rejection mechanism; 31. Supporting bent rod; 32. Electromagnet; 33. Connecting handle; 34. Frame to be tested; 35. Moving bottom plate; 36. Connecting square rod; 37. Movable block; 371. Elastic member; 372. Iron sheet; 38. Positioning ring; 381. Receiving tube; 382. Spring; 383. Partition plate; 384. Rubber sheet. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below in conjunction with the embodiments:

[0027] Example 1

[0028] like Figure 1-5 As shown, the utility model provides a CCD screening machine for inner hole defect detection, including a support platform 1 and a CCD screening machine body 11, the CCD screening machine body 11 is fixedly installed on the top of the support platform 1, an auxiliary screening mechanism 2 is arranged on the top of the support platform 1, an automatic rejection mechanism 3 is arranged on the right side and the top of the support platform 1, and the automatic rejection mechanism 3 includes a support bending rod 31 and a connecting handle 33, the support bending rod 31 is fixedly installed on the right side of the support platform 1, an electromagnet 32 ​​is fixedly installed on the end of the support bending rod 31 away from the support platform 1, a frame to be tested 34 is fixedly installed on the right side of the connecting handle 33, a movable bottom plate 35 is slidably connected to the inner wall of the frame to be tested 34, and the movable bottom plate 35 A connecting square rod 36 is fixedly installed on the right side, a movable block 37 is fixedly installed on the top of the connecting square rod 36, an iron sheet 372 is fixedly installed on the inner wall of the movable block 37, and an elastic member 371 is fixedly installed on the left side of the movable block 37. The left side of the elastic member 371 is fixedly connected to the right side of the frame to be tested 34. The electromagnet 32 ​​is energized to generate magnetic force, which can adsorb the iron sheet 372. The movable block 37 will then stretch the elastic member 371 to move rightward, and the movable base plate 35 will be pulled to move rightward through the transmission of the connecting square rod 36, so that the defective workpiece on the top of the movable base plate 35 can fall under the action of gravity, thereby realizing the function of automatically removing the defective workpiece and improving the detection efficiency.

[0029] In this embodiment, the automatic rejection mechanism 3 also includes a positioning ring 38, which is fixedly installed on the top of the support platform 1. A receiving tube 381 is movably connected to the inner wall of the positioning ring 38. A spring 382 is fixedly installed on the bottom of the inner wall of the receiving tube 381. A partition 383 is fixedly connected to the top of the spring 382. A rubber plate 384 is fixedly connected to the top of the partition 383. The outer wall of the partition 383 is movably connected to the inner wall of the receiving tube 381. Due to the design of the spring 382, ​​the partition 383 can slide on the inner wall of the receiving tube 381 to compress the spring 382, ​​thereby realizing the function of buffering and protecting the fallen workpiece. The positioning ring 38 is used to movably limit the receiving tube 381, so that the user can replace the receiving tube 381.

[0030] In this embodiment, the auxiliary screening mechanism 2 includes a lifting leg 21, which is fixedly mounted on the top of the support platform 1, a round table 23 is fixedly mounted on the top of the lifting leg 21, a stepper motor 22 is fixedly mounted at the center of the bottom of the round table 23, a rotating table 24 is rotatably connected at the center of the top of the round table 23, the output shaft of the stepper motor 22 is fixedly connected to the bottom of the rotating table 24, a raised platform 25 is fixedly mounted at the center of the top of the rotating table 24, an annular frame 26 is movably sleeved on the outer wall of the raised platform 25, a raised frame 27 is fixedly connected to the top of the annular frame 26, and a threaded protrusion 27 is provided on the outer wall of the raised frame 27. A locking bolt 28 is connected, and the threaded end of the locking bolt 28 is movably connected to the outer wall of the raised platform 25. A handle 29 is welded on the inner wall of the annular frame 26. Through the design of the raised frame 27 and the locking bolt 28, the annular frame 26 is detachably connected to the outer wall of the raised platform 25 as a whole, which is convenient for users to disassemble and maintain the annular frame 26 as a whole. By controlling the operation of the stepper motor 22, the annular frame 26 can be driven to rotate as a whole, and another workpiece can be switched to the bottom of the CCD screening machine body 11 for continuous testing. Qualified workpieces can also be switched to the top of the receiving tube 381 in sequence, which is convenient for discharge work.

[0031] The following is a detailed description of the working principle of the CCD screening machine for inner hole defect detection.

[0032] like Figure 1-5 As shown, the workpieces are placed on the top of the movable bottom plate 35 in sequence in advance, and the CCD screening machine body 11 is controlled to work to realize the function of detecting the inner hole on the top of the workpiece. If it is unqualified, the electromagnet 32 ​​is controlled to be energized to drive the movable bottom plate 35 to slide to the right on the inner wall of the test frame 34, and the unqualified workpiece is discharged into the inner cavity of the receiving tube 381. Then, the stepper motor 22 is controlled to work to drive the annular frame 26 to rotate as a whole, and another workpiece is switched to the bottom of the CCD screening machine body 11 for subsequent detection. After all the detection is completed, the receiving tube 381 is replaced, and then the qualified workpiece is discharged into the next receiving tube 381 by controlling the electromagnet 32 ​​to be energized and the stepper motor 22 to run.

[0033] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A CCD screening machine for inner hole defect detection, comprising a support table (1) and a CCD screening machine body (11), characterized in that: The CCD screening machine body (11) is fixedly mounted on the top of a support platform (1), an auxiliary screening mechanism (2) is arranged on the top of the support platform (1), and an automatic rejection mechanism (3) is arranged on the right side and the top of the support platform (1); The automatic rejection mechanism (3) comprises a supporting bent rod (31) and a connecting handle (33); the supporting bent rod (31) is fixedly mounted on the right side of the supporting platform (1); an electromagnet (32) is fixedly mounted on one end of the supporting bent rod (31) away from the supporting platform (1); a frame to be tested (34) is fixedly mounted on the right side of the connecting handle (33); a movable bottom plate (35) is slidably connected to the inner wall of the frame to be tested (34); a connecting square rod (36) is fixedly mounted on the right side of the movable bottom plate (35); a movable block (37) is fixedly mounted on the top of the connecting square rod (36); an iron sheet (372) is fixedly mounted on the inner wall of the movable block (37); an elastic member (371) is fixedly mounted on the left side of the movable block (37); and the left side of the elastic member (371) is fixedly connected to the right side of the frame to be tested (34).

2. A CCD screening machine for inner hole defect detection according to claim 1, characterized in that: The automatic rejection mechanism (3) further comprises a positioning ring (38), wherein the positioning ring (38) is fixedly mounted on the top of the support platform (1), and a receiving tube (381) is movably connected to the inner wall of the positioning ring (38).

3. A CCD screening machine for inner hole defect detection according to claim 2, characterized in that: A spring (382) is fixedly installed at the bottom of the inner wall of the receiving tube (381), a partition (383) is fixedly connected to the top of the spring (382), a rubber plate (384) is fixedly connected to the top of the partition (383), and the outer wall of the partition (383) is movably connected to the inner wall of the receiving tube (381).

4. A CCD screening machine for inner hole defect detection according to claim 1, characterized in that: The auxiliary screening mechanism (2) comprises a lifting leg (21), wherein the lifting leg (21) is fixedly mounted on the top of the support platform (1), and a round platform (23) is fixedly mounted on the top of the lifting leg (21).

5. A CCD screening machine for inner hole defect detection according to claim 4, characterized in that: A stepper motor (22) is fixedly mounted at the center of the bottom of the truncated table (23), a rotating table (24) is rotatably connected at the center of the top of the truncated table (23), and an output shaft of the stepper motor (22) is fixedly connected to the bottom of the rotating table (24).

6. A CCD screening machine for inner hole defect detection according to claim 5, characterized in that: A raised platform (25) is fixedly installed at the center of the top of the rotating platform (24), an annular frame (26) is movably sleeved on the outer wall of the raised platform (25), and a raised frame (27) is fixedly connected to the top of the annular frame (26).

7. A CCD screening machine for inner hole defect detection according to claim 6, characterized in that: A locking bolt (28) is threadedly connected to the outer wall of the raised frame (27), and the threaded end of the locking bolt (28) is movably connected to the outer wall of the raised platform (25). A handle (29) is welded to the inner wall of the annular frame (26).

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