Conveying mechanism for visual inspection machine

Abstract

The utility model belongs to the technical field of detection conveying equipment, and particularly relates to a conveying mechanism for a visual inspection machine, which comprises two conveying devices, detection equipment and a controller, the controller is electrically connected with the first electric push rod, the second electric push rod, the electric sliding table, the conveying device, the driver and the detection equipment in sequence. Through cooperative operation of the first electric push rod and the second electric push rod, injection molding parts of various widths can be lifted and conveyed, notches of the injection molding parts are conveyed to detection equipment through the electric sliding table to be shot and detected, and compared with the prior art, the application range of the device in the injection molding part conveying process is enlarged, and the use flexibility is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection and conveying equipment, in particular to a conveying mechanism for a visual inspection machine. Background Art

[0002] With the popularization of machine vision, plastic parts appearance inspection systems are widely used in plastic products. The defects of plastic products usually appear as scratches, scratches, roller marks, pits, roughness, ripples and other appearance defects. Manual inspection will have large errors. Therefore, it is very necessary to replace manual inspection with a plastic parts defect detection system.

[0003] When detecting notches of injection molded parts, existing detection equipment can only detect one surface of the injection molded parts at a time, and is unable to fully detect notches of the injection molded parts, which is prone to missed detection.

[0004] The existing Chinese patent with announcement number CN220104889U discloses a plastic part gap detection device, which relates to the technical field of detection equipment. The utility model includes a frame, a left conveyor belt assembly is arranged on the left side of the frame, a right conveyor belt assembly is arranged on the right side of the frame, a flipping mechanism is installed inside the frame, the flipping mechanism can flip the injection molded part, a visual recognition component is installed on the inner top of the frame, the recognition range of the visual recognition component is the same as the operating range of the flipping mechanism, and the spacing between the two groups of the receiving plates is greater than the width of the left conveyor belt assembly and the right conveyor belt assembly.

[0005] In view of the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: the spacing between the receiving plates of the device is fixed, and it can only be used for conveying injection molded parts of a single size, and cannot be flexibly adjusted according to the width of the injection molded parts. The applicable surface is relatively small and needs to be improved; therefore, a conveying mechanism for a visual inspection machine is proposed to address the above problems. Utility Model Content

[0006] In order to make up for the deficiencies of the prior art and solve the above-mentioned technical problems, the utility model proposes a conveying mechanism for a visual inspection machine.

[0007] The technical solution adopted by the utility model to solve its technical problems is: a conveying mechanism for a visual inspection machine described in the utility model includes two conveying devices and a detection device, the conveying mechanism for the visual inspection machine also includes a controller, the controller is electrically connected to electric push rod 1, electric push rod 2, electric slide, conveying device, driver and detection device in sequence, the picture taken by the detection camera is transmitted to the controller for comparison, and the injection molded parts are identified, the two conveying devices are symmetrically fixedly connected to the mounting seat on the opposite side, the electric slide is fixedly connected above the mounting seat, a conveying assembly is installed above the electric slide, the conveying assembly includes electric push rod 1, the electric push rod 1 is fixedly installed on the slider of the electric slide, the driving end of the electric push rod 1 is fixedly connected to a clamp, the top of the clamp is fixedly connected to a plurality of electric push rods 2, the electric The driving end of push rod 2 is fixedly connected with the lower clamping plate, and one side of the lower clamping plate is slidably connected with the clamp, and the injection molded part is placed on the conveying device for transportation. When the injection molded part is transported to the conveying component position, the conveying device stops running, and the clamp is moved to the edge of the injection molded part by extending the electric push rod 1, and the electric push rod 2 is contracted to raise the lower clamping plate to lift the injection molded part. Then the electric slide runs to transport the notch of the injection molded part to the detection equipment for shooting and detection. Through the coordinated operation of the electric push rod 1 and the electric push rod 2, injection molded parts of various widths can be lifted and transported. Compared with the existing technology, the applicable surface of the device for transporting injection molded parts is expanded and the flexibility of use is improved. After the detection is completed, the injection molded part is transported to the top of the conveying device on the other side by the electric slide, and the electric push rod 1 and the electric push rod 2 run in opposite directions to place the injection molded part on the conveying device. The conveying device runs to transport the injection molded part out of the device.

[0008] Preferably, the conveyor belt of the conveying device protrudes outward to form a protruding layer, and the protruding layer makes the two sides of the injection molded parts suspended in the air, so as to facilitate the lifting and transportation of the lower clamping plate, and is suitable for use with injection molded parts of smaller sizes.

[0009] Preferably, the driving end of the second electric push rod is provided with an upper clamp, and one side of the upper clamp is fixedly connected to the clamp, the height of the upper clamp is higher than the raised layer, and the second electric push rod contracts to cause the lower clamp to rise and lift the injection molded part, and the upper end of the injection molded part is supported by the upper clamp, thereby clamping and fixing the injection molded part to prevent the injection molded part from falling off during transportation.

[0010] Preferably, the detection device comprises a U-shaped frame, the frame is installed at the opposite end of the two conveying devices, the side wall of the frame is provided with a connecting groove, and the upper and lower parts of the connecting groove are respectively slidably connected with the detection platform.

[0011] Preferably, an inspection camera is fixedly connected to the opposite sides of the two inspection tables, and the inspection camera adopts A3A20MG8 model camera. The outside of the inspection camera is fixedly connected with a ring light source. When the injection molded parts are conveyed to the inspection equipment through the conveying assembly, the upper and lower surfaces of the injection molded parts are photographed by the upper and lower inspection cameras respectively, so as to relatively comprehensively identify the surface notches of the injection molded parts.

[0012] Preferably, the internal rotation of the connecting groove is connected with a bidirectional lead screw, and the bidirectional lead screw is threadedly connected to the detection platform, the top of the frame is fixedly connected with a driver, and the driving end of the driver is fixedly connected to the top of the bidirectional lead screw. The bidirectional lead screw is driven by the driver to rotate, which can drive the two detection platforms to move synchronously, thereby adjusting the relative distance between the detection camera and the injection molded part and adjusting the shooting range.

[0013] Preferably, the side walls of the frame are symmetrically fixedly connected with two upper and lower square frames at the horizontal center, and the square frames are slidably connected with a baffle inside. The color of the baffle is a single color such as black or white. When the upper detection camera is shooting, the upper electric push rod is contracted three times to drive the baffle to slide and be offset from the injection molded part. At the same time, the lower electric push rod is extended three times to move the baffle to the bottom of the injection molded part for blocking, so as to adjust the shooting background of the injection molded part for comparison. When the lower detection camera is shooting, the lower baffle is offset from the injection molded part, and at the same time, the upper baffle is moved to the top of the injection molded part for blocking.

[0014] Preferably, an electric push rod three is embedded and connected inside the baffle, and a driving end of the electric push rod three is fixedly connected to the inner wall of the square frame.

[0015] The utility model is beneficial in that:

[0016] 1. The utility model can lift and transport injection molded parts of various widths through the coordinated operation of the electric push rod 1 and the electric push rod 2, and transport the notch of the injection molded part to the detection equipment for shooting and detection through the electric slide. Compared with the prior art, the applicable surface of the device for transporting injection molded parts is expanded and the flexibility of use is improved.

[0017] 2. The utility model uses two upper and lower detection cameras to shoot the upper and lower surfaces of the injection molded parts, thereby relatively comprehensively identifying the surface gaps of the injection molded parts, and the driver drives the two-way lead screw to rotate, so as to adjust the relative distance between the detection camera and the injection molded parts and adjust the shooting range. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 For this utility model Figure 1 Side view of

[0021] Figure 3 This is a schematic diagram of the structure of the conveying component of the utility model;

[0022] Figure 4 For this utility model Figure 3 A structural diagram of ;

[0023] Figure 5 This is a schematic diagram of the structure of the detection equipment of the utility model.

[0024] In the figure: 1. Conveying device; 2. Testing equipment; 21. Rack; 22. Connecting groove; 23. Testing table; 24. Testing camera; 25. Bidirectional lead screw; 26. Square frame; 27. Baffle; 28. Electric push rod three; 3. Mounting seat; 4. Electric slide; 5. Conveying assembly; 51. Electric push rod one; 52. Clamp; 53. Electric push rod two; 54. Lower clamp; 55. Upper clamp; 6. Raised layer; 7. Driver; 8. Ring light source. DETAILED DESCRIPTION

[0025] 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.

[0026] Embodiment 1

[0027] See also Figure 1-4As shown, a conveying mechanism for a visual inspection machine includes two conveying devices 1 and a detection device 2. The conveying mechanism for the visual inspection machine also includes a controller. The controller is electrically connected to an electric push rod 1 51, an electric push rod 2 53, an electric slide 4, the conveying device 1, a driver 7 and the detection device 2 in sequence. The picture taken by the detection camera 24 is transmitted to the controller for comparison to identify the injection molded parts. The mounting seats 3 are symmetrically fixedly connected to the opposite sides of the two conveying devices 1. The upper part of the mounting seat 3 is fixedly connected to the electric slide 4. A conveying assembly 5 is installed above the electric slide 4. The conveying assembly 5 includes an electric push rod 1 51. The electric push rod 1 51 is fixedly installed on the slider of the electric slide 4. The driving end of the electric push rod 1 51 is fixedly connected to a clamp 52. The top of the clamp 52 is fixedly connected to a plurality of electric push rods 2 53. The driving end of the electric push rod 2 53 is fixedly connected to a lower clamp 54, and the lower clamp One side of 54 is slidably connected with the clamp 52, and the injection molded part is placed on the conveying device 1 for conveying. When the injection molded part is conveyed to the position of the conveying component 5, the conveying device 1 stops running, and the clamp 52 is moved to the edge of the injection molded part by extending the electric push rod 1, and the electric push rod 2 53 is contracted to make the lower clamp 54 rise and lift the injection molded part, and then the electric slide 4 runs to transport the notch of the injection molded part to the detection equipment 2 for shooting and detection. Through the coordinated operation of the electric push rod 1 51 and the electric push rod 2 53, injection molded parts of various widths can be lifted and conveyed. Compared with the prior art, the applicable surface of the device for conveying injection molded parts is expanded and the flexibility of use is improved. After the detection is completed, the injection molded part is conveyed to the top of the conveying device 1 on the other side by the electric slide 4, and the electric push rod 1 51 and the electric push rod 2 53 run in reverse to place the injection molded part on the conveying device 1, and the conveying device 1 runs to convey the injection molded part out of the device.

[0028] The conveyor belt of the conveyor device 1 protrudes outward to form a protruding layer 6. The protruding layer 6 allows both sides of the injection molded part to be suspended in the air, making it convenient to lift the lower clamping plate 54 for transportation, and is suitable for use with injection molded parts of smaller sizes.

[0029] The driving end of the electric push rod 2 53 is sleeved with an upper clamping plate 55, and one side of the upper clamping plate 55 is fixedly connected to the clamp 52. The height of the upper clamping plate 55 is higher than the raised layer 6. The electric push rod 2 53 contracts to cause the lower clamping plate 54 to rise and lift the injection molded part, and the upper end of the injection molded part is supported by the upper clamping plate 55, thereby clamping and fixing the injection molded part to prevent the injection molded part from falling off during transportation.

[0030] Embodiment 2

[0031] For comparison with Example 1, please refer to Figure 5 As shown, the utility model provides another embodiment, the detection device 2 includes a U-shaped frame 21, the frame 21 is installed at the opposite end of the two conveying devices 1, the side wall of the frame 21 is provided with a connecting groove 22, and the upper and lower parts of the connecting groove 22 are respectively slidably connected with a detection platform 23.

[0032] An inspection camera 24 is fixedly connected to the opposite side of the two inspection tables 23, and an annular light source 8 is fixedly connected to the outside of the inspection camera 24. The annular light source 8 provides light for the inspection camera 24. When the injection molded parts are transported to the inspection equipment 2 through the conveying assembly 5, the upper and lower inspection cameras 24 are used to photograph the upper and lower surfaces of the injection molded parts, respectively, so as to relatively comprehensively identify the surface notches of the injection molded parts.

[0033] The connecting groove 22 is internally rotatably connected with a bidirectional lead screw 25, and the bidirectional lead screw 25 is threadedly connected to the detection platform 23. The top of the frame 21 is fixedly connected with a driver 7, and the driving end of the driver 7 is fixedly connected to the top of the bidirectional lead screw 25. The bidirectional lead screw 25 is driven by the driver 7 to rotate, which can drive the two detection platforms 23 to move synchronously, thereby adjusting the relative distance between the detection camera 24 and the injection molded part and adjusting the shooting range.

[0034] The side walls of the frame 21 are symmetrically fixedly connected with two upper and lower square frames 26 at the horizontal center, and the inner part of the square frame 26 is slidably connected with a baffle 27. When the upper detection camera 24 is shooting, the upper electric push rod 28 contracts to drive the baffle 27 to slide and staggered with the injection molded part. At the same time, the lower electric push rod 28 extends to move the baffle 27 to the bottom of the injection molded part for blocking, thereby adjusting the shooting background of the injection molded part for easy comparison. When the lower detection camera 24 is shooting, the lower baffle 27 is staggered with the injection molded part, and the upper baffle 27 moves to the top of the injection molded part for blocking.

[0035] An electric push rod 28 is embedded in the baffle 27 , and a driving end of the electric push rod 28 is fixedly connected to the inner wall of the square frame 26 .

[0036] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and does not explain the electrical control.

[0037] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art.

[0038] Working principle: the injection molded parts are placed on the conveying device 1 for conveying. When the injection molded parts are conveyed to the position of the conveying component 5, the conveying device 1 stops running, and the electric push rod 1 51 is extended to move the clamp 52 to the edge of the injection molded parts, and the electric push rod 2 53 is contracted to make the lower clamp 54 rise and lift the injection molded parts, and then the electric slide 4 runs to transport the notch of the injection molded parts to the detection equipment 2 for shooting and detection. Through the coordinated operation of the electric push rod 1 51 and the electric push rod 2 53, injection molded parts of various widths can be lifted and conveyed. Compared with the prior art, the applicable surface of the device for conveying injection molded parts is expanded and the flexibility of use is improved. After the detection is completed, the injection molded parts are conveyed to the top of the conveying device 1 on the other side by the electric slide 4, and the electric push rod 1 51 and the electric push rod 2 53 run in reverse, and the injection molded parts are placed on the conveying device 1. The conveying device 1 runs to convey the injection molded parts out of the device.

[0039] When the injection molded part is conveyed to the inspection device 2 through the conveying assembly 5, the upper and lower surfaces of the injection molded part are photographed by the upper and lower inspection cameras 24 respectively, so as to relatively comprehensively identify the surface notches of the injection molded part. By driving the bidirectional lead screw 25 to rotate through the driver 7, the two inspection platforms 23 can be driven to move synchronously, so as to adjust the relative distance between the inspection camera 24 and the injection molded part and adjust the shooting range.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A conveying mechanism for a visual inspection machine, comprising two conveying devices (1) and an inspection device (2), characterized in that: A mounting seat (3) is symmetrically fixedly connected to the opposite side of the two conveying devices (1), an electric slide (4) is fixedly connected above the mounting seat (3), a conveying assembly (5) is installed above the electric slide (4), and the conveying assembly (5) includes an electric push rod (51), the electric push rod (51) is fixedly installed on the slider of the electric slide (4), the driving end of the electric push rod (51) is fixedly connected to a clamp (52), the top of the clamp (52) is fixedly connected to a plurality of electric push rods (53), the driving end of the electric push rod (53) is fixedly connected to a lower clamp (54), and one side of the lower clamp (54) is slidably connected to the clamp (52).

2. The conveying mechanism for a visual inspection machine according to claim 1, characterized in that: The conveyor belt of the conveyor device (1) protrudes outwards to form a protruding layer (6).

3. The conveying mechanism for a visual inspection machine according to claim 1, characterized in that: The driving end of the second electric push rod (53) is sleeved with an upper clamping plate (55), and one side of the upper clamping plate (55) is fixedly connected to the clamp (52).

4. The conveying mechanism for a visual inspection machine according to claim 1, characterized in that: The detection device (2) comprises a U-shaped frame (21), the frame (21) being installed at the opposite end of the two conveying devices (1), the side wall of the frame (21) being provided with a connecting groove (22), and the upper and lower parts of the connecting groove (22) being slidably connected with a detection platform (23) respectively.

5. The conveying mechanism for a visual inspection machine according to claim 4, characterized in that: An inspection camera (24) is fixedly connected to opposite sides of the two inspection platforms (23), and an annular light source (8) is fixedly connected to the outside of the inspection camera (24).

6. The conveying mechanism for a visual inspection machine according to claim 4, characterized in that: A bidirectional lead screw (25) is rotatably connected inside the connection groove (22), and the bidirectional lead screw (25) is threadedly connected to the detection platform (23). A driver (7) is fixedly connected to the top of the frame (21), and a driving end of the driver (7) is fixedly connected to the top of the bidirectional lead screw (25).

7. The conveying mechanism for a visual inspection machine according to claim 4, characterized in that: Two upper and lower square frames (26) are symmetrically fixedly connected to the side wall of the frame (21) along the horizontal center, and a baffle (27) is slidably connected inside the square frame (26).

8. The conveying mechanism for a visual inspection machine according to claim 7, characterized in that: The baffle (27) is embedded with an electric push rod 3 (28) inside, and the driving end of the electric push rod 3 (28) is fixedly connected to the inner wall of the square frame (26).

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