Surface defect detection device for ring die processing

Abstract

The invention discloses a surface defect detection device for ring die processing, which comprises a workbench and a support frame fixed on the back surface of the workbench, and also comprises an adjusting assembly arranged in the support frame; and the detection assembly is arranged below the adjusting assembly and used for conducting image collection and detection on the ring mold, the detection assembly comprises two cameras which are oppositely arranged, and transverse plates are fixedly arranged on the sides, away from each other, of the two cameras through rotating assemblies. According to the surface defect detection device for circular mold machining, circular molds of different sizes can be limited through the clamping assembly, meanwhile, the adjusting assembly can move two cameras to one side of the circular mold, the two cameras are aligned with an inner ring and an outer ring correspondingly, then under driving of a servo motor, a rotating plate drives the circular mold to rotate, and the circular mold machining precision is improved. Therefore, the camera can perform image acquisition and detection on the inner and outer rings in all directions, the detection precision and efficiency are improved, and the application range of the device is widened.

Description

Technical Field

[0001] The invention relates to the technical field of ring die processing detection, in particular to a surface defect detection device for ring die processing. Background Art

[0002] Ring die is a ring accessory with a porous surface. The ring die has a thin wall and dense holes. The assembly requires high dimensional accuracy. It is one of the most important and easily worn accessories in the pellet mill. The ring die is made of high-carbon high-chromium steel and alloy steel to ensure its wear resistance and corrosion resistance. Ring die is widely used in the production of animal feed, biomass pellets, medicine, aquatic feed, livestock and poultry feed and other pellets. After the ring die is produced, in order to ensure the quality of the ring die, the surface defect detection of the workpiece is required.

[0003] Reference patent application number CN201510396955.8 is a surface defect detection device, including a frame, a detection table, an optical sensor, a detection laser and a CCD image sensor. The prior art is simple and compact, with a reasonable layout and high detection accuracy. It can simultaneously meet the needs of surface defect detection of small-sized single structural parts and large-sized continuous structural parts, thereby greatly improving the flexibility of use of the equipment and a wide range of adaptability. However, the patent has the following shortcomings:

[0004] During use, the workpiece is inspected by plane scanning detection. The angle of the detection mechanism cannot be adjusted, and the inner and outer rings of the annular workpiece such as the ring die cannot be fully inspected, resulting in low detection accuracy and low efficiency. The application range of the device is small, and some devices set up multiple detection systems at different angles for detection, which increases the cost of use. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a surface defect detection device for ring die processing, which solves the problem that it is impossible to perform all-round detection of the inner and outer rings of an annular workpiece such as a ring die, resulting in low detection accuracy, low efficiency and a small scope of application of the device.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A surface defect detection device for ring die processing, comprising a workbench and a support frame fixed on the back of the workbench, and also comprising:

[0007] An adjustment component is arranged inside the support frame;

[0008] The detection component is arranged below the adjustment component and is used for image acquisition and detection of the ring mold. The detection component includes two cameras arranged opposite to each other. A horizontal plate is fixedly arranged on the opposite sides of the two cameras through a rotating component, and a vertical rod is fixedly connected to the top of the horizontal plate.

[0009] A fixed seat is arranged on the top of the workbench, a servo motor is fixedly connected to the bottom of the inner wall of the fixed seat, and an output end of the servo motor is fixedly connected to a rotating plate through a fixed block, and the rotating plate is rotatably arranged on the top of the fixed seat;

[0010] The clamping assembly is arranged on the top of the rotating plate and is used to limit the ring die.

[0011] Preferably, the rotating assembly includes a fixed plate fixed to the bottom of the horizontal plate, a motor is fixedly connected to one side of the fixed plate, and a rotating shaft is fixedly connected to the output end of the motor, a movable plate is fixedly connected to the surface of the rotating shaft and located inside the fixed plate, and the surface of the movable plate is fixedly connected to one side of the camera.

[0012] Preferably, the adjustment assembly includes a first motor fixed to the inner wall of the support frame, the output end of the first motor is fixedly connected to a screw rod rotatably connected to the top of the inner wall of the support frame, the surface of the screw rod is threadedly connected to a slide plate, and one side of the slide plate is fixedly connected to a shell, and the other side of the slide plate is slidably connected to the inner wall of the support frame.

[0013] Preferably, a first electric telescopic rod is fixedly connected to the bottom of the inner wall of the shell, and a moving block is fixedly connected to the output end of the first electric telescopic rod, and the bottom of the moving block is fixedly connected to the top of the detection assembly.

[0014] Preferably, the clamping assembly includes a double-rod hydraulic cylinder fixed to the bottom of the rotating plate, both ends of the double-rod hydraulic cylinder are fixedly connected with connecting blocks, and the top of the connecting block is fixedly connected with an arc plate, and the surface of the rotating plate is provided with a movable groove adapted to the connecting block.

[0015] Preferably, both the front and rear sides of the bottom of the inner wall of the workbench are fixedly connected with electric push rods, and the output end of the electric push rod is fixedly connected with a gear mechanism through a mounting plate, and the fixing seat is fixedly arranged on the top of the gear mechanism.

[0016] Preferably, the gear mechanism includes a U-shaped frame, a second motor is fixedly connected to the front side of the U-shaped frame, a rotating rod is fixedly connected to the output end of the second motor, a transmission gear is fixedly connected to the surface of the rotating rod, a rotating rod is rotatably connected between the front and rear sides of the inner wall of the U-shaped frame, a half gear meshing with the transmission gear is fixedly connected to the surface of the rotating rod, and the top of the half gear is fixedly connected to the bottom of the fixed seat.

[0017] Preferably, an unqualified frame is provided on one side below the workbench, and a qualified frame is provided on the other side below the workbench, the bottoms of the unqualified frame and the qualified frame are fixedly connected with universal wheels, the inner wall of the qualified frame is slidably connected with an L-shaped plate, and a rubber pad is bonded to the top of the L-shaped plate, a second electric telescopic rod is fixedly connected to one side of the qualified frame, and the output end of the second electric telescopic rod is fixedly connected to one side of the L-shaped plate.

[0018] The present invention provides a surface defect detection device for ring die processing, which has the following beneficial effects:

[0019] (1) The surface defect detection device for ring die processing can limit the position of ring dies of different sizes through a clamping component, and at the same time, the adjustment component can move two cameras to one side of the ring die, and the two cameras are respectively aimed at the inner ring and the outer ring. Then, driven by the servo motor, the rotating plate drives the ring die to rotate, so that the camera can collect and detect images of the inner and outer rings in all directions, thereby improving the detection accuracy and efficiency and increasing the application scope of the device.

[0020] (2) After the inspection is completed, the electric push rod drives the fixed seat to move to the bottom of the workbench. Then, according to the inspection result, the gear mechanism drives the fixed seat to tilt toward the direction of the unqualified frame or the qualified frame, so as to facilitate the automatic classification and unloading of the inspected workpieces. The operation is simple and fast, saving time and effort, improving work efficiency, and reducing the sorting workload of subsequent staff.

[0021] (3) The surface defect detection device for ring die processing, when the qualified ring die is unloaded, the second electric telescopic rod drives the L-shaped plate to move up and down, which can reduce the falling height of the ring die during unloading. At the same time, the rubber pad cushions and protects the workpiece to avoid damage to the workpiece due to excessive impact force during falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the structure of the regulating assembly of the present invention;

[0024] Figure 3 It is a schematic diagram of the bottom structure of the rotating plate of the present invention;

[0025] Figure 4 For the present invention Figure 1 A partial enlarged view of the middle A;

[0026] Figure 5 is a cross-sectional view of the fixing plate structure of the present invention;

[0027] Figure 6is a cross-sectional view of the workbench structure of the present invention;

[0028] Figure 7 Schematic diagram of the gear mechanism structure of the present invention.

[0029] In the figure: 1, workbench; 2, support frame; 3, camera; 4, horizontal board; 5, vertical rod; 6, fixed seat; 7, servo motor; 8, fixed block; 9, rotating plate; 10, fixed plate; 11, motor; 12, rotating shaft; 13, movable plate; 14, first motor; 15, screw rod; 16, slide plate; 17, shell; 18, first electric telescopic rod; 19, moving block; 20, double-rod hydraulic cylinder; 21, connecting block; 22, arc plate; 23, movable groove; 24, electric push rod; 25, gear mechanism; 251, U-shaped frame; 252, second motor; 253, rotating rod; 254, transmission gear; 255, rotating rod; 256, half gear; 26, unqualified frame; 27, qualified frame; 28, universal wheel; 29, L-shaped plate; 30, rubber pad; 31, second electric telescopic rod. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Embodiment 1

[0032] See also Figures 1 to 3 As shown, the present invention provides a surface defect detection device for ring die processing, comprising a workbench 1 and a support frame 2 fixed on the back of the workbench 1, and also comprising:

[0033] An adjustment component is arranged inside the support frame 2;

[0034] The detection component is arranged below the adjustment component and is used for image acquisition and detection of the ring mold. The detection component includes two cameras 3 arranged opposite to each other. A horizontal plate 4 is fixedly arranged on the opposite sides of the two cameras 3 through a rotating component, and a vertical rod 5 is fixedly connected to the top of the horizontal plate 4.

[0035] A fixed seat 6 is arranged on the top of the workbench 1. An annular through groove adapted to the fixed seat 6 is opened on the top of the workbench 1. A servo motor 7 is fixedly connected to the bottom of the inner wall of the fixed seat 6. The output end of the servo motor 7 is fixedly connected to a rotating plate 9 through a fixed block 8. The rotating plate 9 is rotatably arranged on the top of the fixed seat 6.

[0036] A clamping assembly is arranged on the top of the rotating plate 9 and is used to limit the position of the ring die;

[0037] The adjustment component includes a first motor 14 fixed to the inner wall of the support frame 2, the output end of the first motor 14 is fixedly connected to a screw rod 15 rotatably connected to the top of the inner wall of the support frame 2, the surface of the screw rod 15 is threadedly connected to a slide plate 16, and one side of the slide plate 16 is fixedly connected to a shell 17, and the other side of the slide plate 16 is slidably connected to the inner wall of the support frame 2, the bottom of the inner wall of the shell 17 is fixedly connected to a first electric telescopic rod 18, and the output end of the first electric telescopic rod 18 is fixedly connected to a moving block 19, and the bottom of the moving block 19 is fixedly connected to the top of the detection component;

[0038] The clamping assembly includes a double-rod hydraulic cylinder 20 fixed to the bottom of the rotating plate 9, both ends of the double-rod hydraulic cylinder 20 are fixedly connected with connecting blocks 21, and the top of the connecting block 21 is fixedly connected with an arc plate 22, and the surface of the rotating plate 9 is provided with a movable groove 23 adapted to the connecting block 21.

[0039] Through the arrangement of the above structure, the two cameras 3 are respectively aimed at the inner ring and the outer ring, and then driven by the servo motor 7, the rotating plate 9 drives the ring mold to rotate, so that the camera 3 can perform image acquisition and detection of the inner and outer rings in all directions, thereby improving the accuracy and efficiency of the detection and increasing the scope of application of the device.

[0040] Embodiment 2

[0041] Based on Example 1, please refer to Figure 1 , Figure 4 and Figure 5 As shown, the specific improvements are as follows: the rotating assembly includes a fixed plate 10 fixed at the bottom of the horizontal plate 4, a motor 11 is fixedly connected to one side of the fixed plate 10, and the output end of the motor 11 is fixedly connected to a rotating shaft 12, one end of the rotating shaft 12 is rotatably connected to one side inside the fixed plate 10, a movable plate 13 is fixedly connected to the surface of the rotating shaft 12 and located inside the fixed plate 10, and the surface of the movable plate 13 is fixedly connected to one side of the camera 3.

[0042] Through the arrangement of the above structure, the motor 11 drives the movable plate 13 to rotate back and forth through the rotating shaft 12, and the movable plate 13 drives the camera 3 to adjust the angle, thereby increasing the detectable range.

[0043] Embodiment 3

[0044] In conjunction with Example 1 and Example 2, please refer to Figure 1 , Figure 6 and Figure 7 As shown, the specific improvements are as follows: the front and rear sides of the bottom of the inner wall of the workbench 1 are fixedly connected with electric push rods 24, which are used to drive the fixed seat 6 to move up and down, and the output end of the electric push rod 24 is fixedly connected with a gear mechanism 25 through a mounting plate, and the fixed seat 6 is fixedly arranged on the top of the gear mechanism 25;

[0045] The gear mechanism 25 includes a U-shaped frame 251, a second motor 252 is fixedly connected to the front of the U-shaped frame 251, a rotating rod 253 is fixedly connected to the output end of the second motor 252, and a transmission gear 254 is fixedly connected to the surface of the rotating rod 253, a rotating rod 255 is rotatably connected between the front and rear sides of the inner wall of the U-shaped frame 251, and a half gear 256 meshing with the transmission gear 254 is fixedly connected to the surface of the rotating rod 255, and the top of the half gear 256 is fixedly connected to the bottom of the fixed seat 6;

[0046] An unqualified frame 26 is provided on one side below the workbench 1 for collecting unqualified workpieces, and a qualified frame 27 is provided on the other side below the workbench 1 for collecting qualified workpieces. The bottoms of the unqualified frame 26 and the qualified frame 27 are fixedly connected with universal wheels 28, the inner wall of the qualified frame 27 is slidably connected with an L-shaped plate 29, and a rubber pad 30 is bonded to the top of the L-shaped plate 29, and a second electric telescopic rod 31 is fixedly connected to one side of the qualified frame 27, and the output end of the second electric telescopic rod 31 is fixedly connected to one side of the L-shaped plate 29.

[0047] Through the arrangement of the above structure, according to the detection results, the gear mechanism 25 can drive the fixed seat 6 to tilt in the direction of the unqualified frame 26 or the qualified frame 27, so as to facilitate the automatic classification and unloading of the workpieces after detection. The operation is simple and fast, which improves the work efficiency and reduces the sorting workload of the subsequent staff.

[0048] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment compatible with the equipment can be used.

[0049] When in use, the ring die is placed on the rotating plate 9, and then the double-rod hydraulic cylinder 20 drives the two arc plates 22 to limit the ring die through the connecting block 21. According to the position of the ring die, the first electric telescopic rod 18 is started to drive the detection component to move above the ring die, and then the first motor 14 is started to drive the screw rod 15 to rotate. The slide plate 16 drives the detection component to move downward on the screw rod 15 through the housing 17, so that the two cameras 3 are respectively aligned with the inner ring and the outer ring, and then the servo motor 7 is started to drive the rotating plate 9 to rotate. The rotating plate 9 drives the ring die to rotate, so that the two cameras 3 can respectively perform image acquisition and detection of the inner and outer rings in all directions. During the use of the camera 3, the motor 11 is started to drive the movable plate 13 to rotate back and forth through the rotating shaft 12. The movable plate 13 drives the camera 3 to adjust the angle to increase the detectable range;

[0050] After the inspection is completed, the clamping assembly is released, the electric push rod 24 is started, and the fixed seat 6 is driven to move to the bottom of the workbench 1 through the gear mechanism 25, and then the second motor 252 is started, and the transmission gear 254 is driven to rotate through the rotating rod 253, and the transmission gear 254 drives the half gear 256 to rotate back and forth, and the half gear 256 drives the fixed seat 6 to tilt to the left or right. According to the inspection result, the workpiece can be unloaded into the unqualified frame 26 or the qualified frame 27. When unloading the qualified ring die, the second electric telescopic rod 31 drives the L-shaped plate 29 to move to the upper side of the qualified frame 27, which can reduce the falling height of the ring die during unloading. At the same time, the rubber pad 30 buffers and protects the workpiece to avoid damage to the workpiece caused by excessive impact force during falling. After the collection on the L-shaped plate 29 is completed, it can be transferred through the universal wheel 28.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A surface defect detection device for ring die processing, comprising a workbench (1) and a support frame (2) fixed to the back of the workbench (1), characterized in that: Also includes: An adjustment component is arranged inside the support frame (2); A detection component is arranged below the adjustment component and is used for performing image acquisition detection on the ring mold. The detection component comprises two cameras (3) arranged opposite to each other. A horizontal plate (4) is fixedly arranged on the opposite sides of the two cameras (3) through a rotating component, and a vertical rod (5) is fixedly connected to the top of the horizontal plate (4); A fixed seat (6) is arranged on the top of the workbench (1); a servo motor (7) is fixedly connected to the bottom of the inner wall of the fixed seat (6); and an output end of the servo motor (7) is fixedly connected to a rotating plate (9) via a fixed block (8); and the rotating plate (9) is rotatably arranged on the top of the fixed seat (6); The clamping assembly is arranged on the top of the rotating plate (9) and is used to limit the position of the ring die.

2. A surface defect detection device for ring die processing according to claim 1, characterized in that: The rotating assembly comprises a fixed plate (10) fixed at the bottom of the horizontal plate (4); a motor (11) is fixedly connected to one side of the fixed plate (10); and a rotating shaft (12) is fixedly connected to the output end of the motor (11); a movable plate (13) is fixedly connected to the surface of the rotating shaft (12) and located inside the fixed plate (10); and the surface of the movable plate (13) is fixedly connected to one side of the camera (3).

3. The surface defect detection device for ring die processing according to claim 1, characterized in that: The adjustment component comprises a first motor (14) fixed to the inner wall of the support frame (2); the output end of the first motor (14) is fixedly connected to a screw rod (15) rotatably connected to the top of the inner wall of the support frame (2); a slide plate (16) is threadedly connected to the surface of the screw rod (15); one side of the slide plate (16) is fixedly connected to a housing (17); and the other side of the slide plate (16) is slidably connected to the inner wall of the support frame (2).

4. A surface defect detection device for ring die processing according to claim 3, characterized in that: A first electric telescopic rod (18) is fixedly connected to the bottom of the inner wall of the shell (17), and a moving block (19) is fixedly connected to the output end of the first electric telescopic rod (18), and the bottom of the moving block (19) is fixedly connected to the top of the detection component.

5. The surface defect detection device for ring die processing according to claim 1, characterized in that: The clamping assembly comprises a double-rod hydraulic cylinder (20) fixed at the bottom of a rotating plate (9), both ends of the double-rod hydraulic cylinder (20) are fixedly connected to connecting blocks (21), and the top of the connecting block (21) is fixedly connected to an arc-shaped plate (22), and a movable groove (23) adapted to the connecting block (21) is provided on the surface of the rotating plate (9).

6. The surface defect detection device for ring die processing according to claim 1, characterized in that: The front and rear sides of the bottom of the inner wall of the workbench (1) are fixedly connected to electric push rods (24), and the output end of the electric push rod (24) is fixedly connected to a gear mechanism (25) via a mounting plate, and the fixing seat (6) is fixedly arranged on the top of the gear mechanism (25).

7. A surface defect detection device for ring die processing according to claim 6, characterized in that: The gear mechanism (25) comprises a U-shaped frame (251), a second motor (252) is fixedly connected to the front of the U-shaped frame (251), a rotating rod (253) is fixedly connected to the output end of the second motor (252), a transmission gear (254) is fixedly connected to the surface of the rotating rod (253), a rotating rod (255) is rotatably connected between the front and rear sides of the inner wall of the U-shaped frame (251), a half gear (256) meshing with the transmission gear (254) is fixedly connected to the surface of the rotating rod (255), and the top of the half gear (256) is fixedly connected to the bottom of the fixed seat (6).

8. The surface defect detection device for ring die processing according to claim 1 is characterized in that: An unqualified frame (26) is arranged on one side below the workbench (1), and a qualified frame (27) is arranged on the other side below the workbench (1); the bottoms of the unqualified frame (26) and the qualified frame (27) are both fixedly connected with universal wheels (28); the inner wall of the qualified frame (27) is slidably connected with an L-shaped plate (29), and a rubber pad (30) is bonded to the top of the L-shaped plate (29); a second electric telescopic rod (31) is fixedly connected to one side of the qualified frame (27), and an output end of the second electric telescopic rod (31) is fixedly connected to one side of the L-shaped plate (29).

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