CN111250405B - Comprehensive detection device and detection method for bearing bush - Google Patents

Abstract

The invention discloses a comprehensive detection device and a detection method for a bearing bush, wherein the comprehensive detection device comprises a thickness positioning lip detection device and a positioning lip visual detection device, the front end of the thickness positioning lip detection device is provided with a bearing bush transition conveying mechanism, and a thickness detection station positioning tool is arranged below the bearing bush transition conveying mechanism; the thickness positioning lip detection device is internally provided with laser detection mechanisms above and below a thickness detection station positioning tool through a lifting mechanism, the tail end of the thickness positioning lip detection device is provided with a positioning lip detection station positioning tool, the thickness positioning lip detection device is provided with a bearing bush transition turnover mechanism, and the thickness detection station positioning tool is connected with the positioning lip detection station positioning tool through a bearing bush transition turnover mechanism. The invention can realize the automatic detection of the thickness of the bearing bush and the positioning lip, can realize the automatic detection of the bearing bush and the rejection of unqualified products, and ensures the authenticity and reliability of the detection quantity of the bearing bush.

Description

A comprehensive bearing detection device and its detection method

Technical field

The present invention relates to the technical field of bearing bush comprehensive detection, and in particular to a bearing bush comprehensive detection device and a detection method thereof.

Background technique

Due to the rapid development of the automobile industry, the technical requirements for the quality and service life of automobile engines are becoming more and more stringent. As an important component of the crankshaft connecting rod mechanism in automobile engines, bearings are also increasingly strict in various requirements for the bearing itself. The surface roughness, thickness, and positioning lip size of the parts are required to be controlled at the micron level, so high-precision testing of the bearing bush is an important indicator to ensure the quality of the bearing bush.

At present, most domestic manufacturers use traditional manual inspection methods to detect various indicators of bearing bushes. The disadvantage is that manual fatigue will occur during long-term inspections, and it will lead to inspection personnel with different skill levels. The uneven quality makes it impossible to guarantee the authenticity and reliability of the bearing bush detection quantity.

Contents of the invention

The object of the present invention is to provide a comprehensive bearing detection device and a detection method thereof. The invention can realize the automatic detection of the thickness of the bearing bush and the positioning lip, realize the automatic detection of the bearing bush and the rejection of unqualified products, and ensure the authenticity and reliability of the detected quantity of the bearing bush.

The technical solution of the present invention: a comprehensive bearing detection device, including a thickness positioning lip detection device and a positioning lip visual detection device. The front end of the thickness positioning lip detection device is provided with a bearing transition transmission mechanism, and a bearing transition transmission mechanism is provided below. Thickness detection station positioning tooling; the thickness positioning lip detection device is provided with a laser detection mechanism located above and below the thickness detection station positioning tool through a lifting mechanism, and a positioning lip detection station is provided at the end of the thickness positioning lip detection device Positioning tooling, the thickness positioning lip detection device is provided with a bearing transition flip mechanism, the thickness detection station positioning tool and the positioning lip detection station positioning tool are connected through the bearing transition flip mechanism; the thickness positioning lip detection device There is a material channel with unqualified bearing thickness, a material channel with repair of bearing thickness, a material channel with unqualified bearing positioning lip and a qualified material channel with bearing positioning lip. The qualified material channel with bearing positioning lip is arranged below the positioning tool of the positioning lip detection station. The positioning lip of the bearing bush is connected to the qualified material channel with a qualified product output line body; the visual detection device of the positioning lip cooperates with the positioning tooling of the positioning lip detection station.

In the above-mentioned comprehensive bearing detection device, the bearing transition transmission mechanism includes a positioning frame provided at the front end of the thickness positioning lip detection device. The positioning frame is provided with a vertically downward first cylinder, and the telescopic end of the first cylinder is provided with a positioning frame. There is a lifting plate, and a plurality of vertically downward limiting rods are provided on the lifting plate. The positioning frame is provided with a through hole for the limiting rods to pass through. The bottom of the lifting plate is provided with a first linear slide. Table module, the slide block of the first linear slide module is provided with a first L-shaped mounting plate, the upper part of the first L-shaped mounting plate is provided with a transversely arranged bearing clamping cylinder, and the bearing clamping cylinder is A moving block is provided, a retaining frame is provided at the bottom of the moving block, a vertically downward first lifting cylinder is provided on the retaining frame, and an L-shaped bearing clamping block is provided at the telescopic end of the first lifting cylinder; A vertical downward chute is provided on the side wall of the first L-shaped mounting plate. A bearing centering block is slidably provided in the chute. A bearing centering cylinder is provided on the first L-shaped mounting plate. The bearing centering cylinder is provided on the first L-shaped mounting plate. The telescopic end of the centering cylinder is connected with the bearing centering block.

In the aforementioned comprehensive bearing detection device, the bearing centering block is provided with a V-shaped positioning groove.

In the aforementioned comprehensive bearing detection device, the thickness detection station positioning tool includes a second linear slide module arranged in the thickness positioning lip detection device and extending from below the bearing transition transmission mechanism to below the bearing transition flipping mechanism. The top of the linear slide module is slidably provided with an installation bottom plate. A pair of parallel first guide rails are provided on the installation bottom plate. Two centering positioning bottom plates are slidably provided on the first guide rails. The installation bottom plate is provided with a positioning bottom plate. A first push cylinder connected to the base plate; the installation base plate is provided with two second push cylinders parallel to and opposite to the first push cylinder, and the conveying end of each second push cylinder is provided with a positioning nylon block. A centering clamping opening is formed between the two positioning nylon blocks. The thickness positioning lip detection device is provided with a first limit guide rail parallel to the second linear slide module. The installation base plate is provided with a first limit guide rail parallel to the second linear slide module. Notches that match the guide rails.

In the aforementioned bearing comprehensive detection device, the bearing transition flipping mechanism includes a third linear slide module and a second limiting guide rail that are disposed at the top of the thickness positioning lip detection device and are oppositely arranged. The third linear slide module and the third There is a moving plate between the two limit guide rails. A vertically downward lifting slide module is fixed on the moving plate through a retaining plate. The slide block of the lifting slide module is fixed on the second L-shaped mounting plate through a fixing piece. The second L-shaped mounting plate is provided with a rotating cylinder. The rotating block of the rotating cylinder is provided with a pair of clamping cylinders. The telescopic end of each clamping cylinder is provided with a clamping block. The two clamping blocks cooperate to form a clamping port. .

In the aforementioned comprehensive bearing detection device, the positioning lip detection station positioning tooling includes a fourth linear slide module and a third limit guide rail that are arranged oppositely at the rear end of the thickness positioning lip detection device. The fourth linear slide module There is a lower bottom plate between the group and the third limiting guide rail, and a second guide rail is provided on the lower bottom plate. Two first centering nylon blocks are slidably provided on the second guide rail, and there are two first centering nylon blocks on the lower bottom plate. A centering cylinder connected to the first centering nylon block; the lower base plate is provided with a positioning lip blocking mechanism, the positioning lip blocking mechanism includes a door-shaped bracket provided on the lower base plate, and the door-shaped bracket is provided with a vertical The second lifting cylinder is provided with a baffle at the telescopic end of the second lifting cylinder, a downward pressure cylinder is provided on the inner wall of the gate-shaped bracket, and the telescopic end of the downward pressure cylinder is provided with a downward-facing The nylon block is pressed down, and a positioning plate is provided on the lower bottom plate. A pushing cylinder is provided on the positioning plate, and a second centering nylon block is provided at the output end of the pushing cylinder.

In the aforementioned bearing comprehensive detection device, the top of the baffle is provided with a pair of vertically upward light guide rods, and the gate-shaped bracket is provided with a limiting through hole for the guide light rods to pass through.

In the aforementioned bearing comprehensive detection device, the positioning lip visual detection device includes a positioning frame arranged above the qualified product output line. The side walls of the positioning frame are provided with left and right sliding tables, and the left and right sliding tables are provided with A lifting slide is provided with a CCD camera that positions the tooling toward the positioning lip detection station.

The aforementioned detection method of the comprehensive bearing detection device first clamps the bearing bush in the bearing transition transmission mechanism and places it on the thickness detection station positioning tool for positioning, and then moves the thickness detection station positioning tool to transport the positioned bearing bush to the laser inspection. In the mechanism, the point laser in the laser detection mechanism is used to detect the bearing bush. The qualified products are moved through the thickness detection station positioning tool and sent out of the laser detection mechanism. At the same time, the bearing transition flip mechanism clamps the tested bearing bush. After taking it out, move it, and finally put the clamped bearing bush into the positioning lip detection station positioning tooling. Use the positioning lip detection station positioning tooling to fix the bearing bush. Then the positioning lip visual inspection device starts to work, and the positioning lip detection station positioning tooling is used to fix the bearing bush. The positioning lip of the bearing bush on the lip detection station positioning tooling starts to be detected, and the qualified bearing bush is output through the qualified product output line.

Compared with the prior art, the present invention has the following advantages:

1. The present invention first clamps the bearing bush in the bearing transition transmission mechanism and places it on the thickness detection station positioning tool for positioning, and then moves the thickness detection station positioning tool to transport the positioned bearing bush to the laser detection mechanism, and uses laser detection The point laser in the mechanism detects the bearing bush. The qualified products are moved through the thickness detection station positioning tool and sent out of the laser detection mechanism. At the same time, the bearing bush transition flip mechanism clamps and moves the tested bearing bush. Finally, the bearing bush is moved. The clamped bearing bush is put into the positioning lip detection station positioning tooling, and the positioning lip detection station positioning tooling is used to fix the bearing bush. Then the positioning lip visual inspection device starts to work, and the positioning lip detection station positioning tooling is fixed. The positioning lip of the bearing bush on the machine begins to detect, and the qualified bearing bush is output through the qualified product output line body.

2. When the bearing transition transmission mechanism of the present invention is working, the lifting plate is driven to lift by controlling the expansion and contraction of the first cylinder, and the bottom of the lifting plate is provided with a first linear slide module. Through the first linear slide module The movement of the group drives the bearing bush clamping cylinder to move, and the bearing bush is placed into the thickness detection station positioning tool for positioning.

3. When the thickness detection station positioning tool of the present invention is working, it first clamps and positions the positioning nylon block through the second push cylinder, and then detects it under the action of the point laser of the laser detection mechanism. If the detection result is qualified, , under the movement of the second linear slide module, it enters the material channel with unqualified bearing thickness, or the bearing transition and flipping mechanism is used to clamp and flip the bearing that has passed the laser inspection and transport it to the next process. If the test result is not If it is qualified, the first pushing cylinder and the second pushing cylinder will shrink at the same time, and the bearing bush will fall into the feed channel with unqualified thickness of the bearing bush.

4. The bearing transition flipping mechanism in the present invention can move horizontally through the third linear slide module to realize the docking between the positioning tool for the thickness detection station and the positioning tool for the positioning lip detection station, thereby facilitating the transfer of the thickness detection station. The bearing bush after thickness detection by the laser detection mechanism is transported for positioning lip detection. When working, the second L-shaped mounting plate can be driven up and down by lifting the slide module, and then a pair of clamping jaw cylinders on the second L-shaped mounting plate can be used to control the movement of the clamping block. The clamping block clamps the bearing bush and rotates through the rotating cylinder to achieve the turning action of the bearing bush.

5. In the positioning lip detection station positioning tool of the present invention, when the bearing bush is transported to the bearing bush transition turning mechanism through the bearing bush transition turning mechanism, the two centering cylinders move in opposite directions to drive the two first centering nylon blocks to move in opposite directions. to center the bearing bush, and push the second centering nylon block to move by pushing the cylinder, thereby pushing the bearing bush into contact with the baffle, and then the pressing cylinder works to drive the pressing down nylon block to press down and position the bearing bush. Finally, the second lifting cylinder drives the baffle to move upward, and the positioning lip visual inspection device is used to visually inspect the positioning lip of the bearing. The bearings that pass the inspection will fall into the qualified bearing positioning lip channel, and the bearings that fail the inspection will fall into the pass. The bearing positioning lip is unqualified in the feed channel.

6. The positioning lip visual detection device in the present invention can drive the CCD camera to move through the lifting slide and the left and right slides, thereby adjusting the position of the CCD camera so that the CCD camera can visually detect the fixed bearing bush.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention;

Figure 2 is a schematic structural diagram of the thickness detection station positioning tooling;

Figure 3 is a schematic structural diagram of the bearing transition transmission mechanism;

Figure 4 is a schematic structural diagram of the bearing transition flipping mechanism;

Figure 5 is a schematic structural diagram of the positioning tooling of the positioning lip detection station;

Figure 6 is a partial structural diagram of the positioning tooling of the positioning lip detection station;

Figure 7 is an assembly diagram of the laser detection mechanism.

1. Thickness positioning lip detection device; 2. Positioning lip visual detection device; 3. Bearing transition transmission mechanism; 4. Thickness detection station positioning tooling; 5. Lifting mechanism; 6. Laser detection mechanism; 7. Positioning lip detection station Positioning tooling; 8. Bearing transition turning mechanism; 9. Material path with unqualified bearing thickness; 10. Material path for repair of bearing thickness; 11. Material path with unqualified bearing positioning lip; 12. Material path with qualified bearing positioning lip; 13. Qualified products Output line body; 14. Positioning frame; 15. First cylinder; 16. Lifting plate; 17. Limit rod; 18. First linear slide module; 19. First L-shaped mounting plate; 20. Bearing clamp Tightening cylinder; 21. Moving block; 22. Retaining frame; 23. First lifting cylinder; 24. Bearing clamping block; 25. Slide groove; 26. Bearing centering block; 27. Bearing centering cylinder; 28. No. Two linear slide modules; 29. Installation base plate; 30. First guide rail; 31. Positioning base plate; 32. First push cylinder; 33. Second push cylinder; 34. Positioning nylon block; 35. First limit guide rail ; 36. Third linear slide module; 37. Second limit guide rail; 38. Moving plate; 39. Retaining plate; 40. Lifting slide module; 41. Second L-shaped mounting plate; 42. Rotation Cylinder; 43. Clamp cylinder; 44. Clamp block; 45. Fourth linear slide module; 46. Third limit guide rail; 47. Lower base plate; 48. Second guide rail; 49. First centering nylon block ; 50. Centering cylinder; 51. Portal-shaped bracket; 52. Second lifting cylinder; 53. Baffle; 54. Press down cylinder; 55. Press down nylon block; 56. Positioning plate; 57. Push cylinder; 58. Second centering nylon block; 59. Guide polished rod; 60. Positioning frame; 61. Left and right slide tables; 62. Lift slide table; 63. CCD camera.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and examples, but this does not serve as a basis for limiting the present invention.

Embodiment: A comprehensive bearing detection device, as shown in Figures 1-7, including a thickness positioning lip detection device 1 and a positioning lip visual detection device 2. The front end of the thickness positioning lip detection device 1 is provided with a bearing transition transmission mechanism 3 , a thickness detection station positioning tool 4 is provided below the bearing transition transmission mechanism 3; the thickness positioning lip detection device 1 is provided with a laser detection mechanism 6 located above and below the thickness detection station positioning tool 4 via a lifting mechanism 5, so The end of the thickness positioning lip detection device 1 is provided with a positioning lip detection station positioning tool 7. The thickness positioning lip detection device 1 is provided with a bearing transition flip mechanism 8. The thickness detection station positioning tool 4 and the positioning lip detection device The workstation positioning tools 7 are connected by a bearing transition flipping mechanism 8; the thickness positioning lip detection device 1 is provided with a bearing bush thickness unqualified material channel 9, a bearing thickness repair material channel 10, a bearing bush positioning lip unqualified material channel 11 and a bearing bush. Positioning lip qualifying channel 12, the bearing positioning lip qualifying channel 12 is arranged below the positioning lip detection station positioning tool 7, the bearing positioning lip qualifying channel 12 is connected with the qualified product output line 13; the positioning The lip visual detection device 2 cooperates with the positioning tool 7 of the lip detection station. In the present invention, the bearing bush is first clamped in the bearing bush transition transmission mechanism 3 and placed into the thickness detection station positioning tool 4 for positioning, and then the thickness detection station positioning tool 4 moves to transport the positioned bearing bush to the laser detection mechanism 6, using The point laser in the laser detection mechanism 6 detects the bearing bush. The qualified products are moved through the thickness detection station positioning tool 4 and sent out of the laser detection mechanism 6. At the same time, the bearing transition turning mechanism 8 clamps the tested bearing bush. After taking it out, move it, and finally put the clamped bearing bush into the positioning lip detection station positioning tool 7, use the positioning lip detection station positioning tool 7 to fix the bearing bush, and then the positioning lip visual inspection device 2 starts to work, and the positioning lip detection station positioning tool 7 is used to fix the bearing bush. The positioning lip of the bearing bush fixed on the positioning tool 7 of the positioning lip detection station starts to be tested, and the bearing bush that passes the test is output through the qualified product output line 13.

As shown in Figure 3, the bearing transition transmission mechanism 3 includes a positioning frame 14 provided at the front end of the thickness positioning lip detection device 1. The positioning frame 14 is provided with a vertically downward first cylinder 15. The first cylinder 15 The telescopic end is provided with a lifting plate 16. The lifting plate 16 is provided with a plurality of vertically downward limiting rods 17. The positioning frame 14 is provided with a through hole for the limiting rods 17 to pass through. The lifting plate 16 is provided with a plurality of vertically downward limiting rods 17. The bottom of 16 is provided with a first linear slide module 18. The slide block of the first linear slide module 18 is provided with a first L-shaped mounting plate 19. The upper part of the first L-shaped mounting plate 19 is provided with a first L-shaped mounting plate 19. There is a bearing clamping cylinder 20 arranged laterally. The bearing clamping cylinder 20 is provided with a moving block 21. The bottom of the moving block 21 is provided with a retaining frame 22. The retaining frame 22 is provided with a vertically downward first lifting cylinder. 23. The telescopic end of the first lifting cylinder 23 is provided with an L-shaped bearing clamping block 24; the side wall of the first L-shaped mounting plate 19 is provided with a vertically downward chute 25, and the chute 25 slides A bearing centering block 26 is provided, and a bearing centering cylinder 27 is provided on the first L-shaped mounting plate 19. The telescopic end of the bearing centering cylinder 27 is connected to the bearing centering block 26. The bearing centering block 26 is provided with a V-shaped positioning groove. When the bearing transition transmission mechanism 3 of the present invention is working, the lifting plate 16 is driven to lift by controlling the expansion and contraction of the first cylinder 15, and the bottom of the lifting plate 16 is provided with a first linear slide module 18. Through the first linear The movement of the slide module 18 drives the bearing bush clamping cylinder 20 to clamp the bearing bush for movement, and place the bearing bush into the thickness detection station positioning tool 4 for positioning.

As shown in FIG. 2 , the thickness detection station positioning tool 4 includes a second linear slide module 28 disposed in the thickness positioning lip detection device 1 and extending from below the bearing transition transmission mechanism 3 to below the bearing transition flipping mechanism 8 , the top of the second linear slide module 28 is slidably provided with a mounting bottom plate 29. The mounting bottom plate 29 is provided with a pair of parallel first guide rails 30. The first guide rails 30 are slidably provided with two centered positioning bottom plates. 31. The installation bottom plate 29 is provided with a first push cylinder 32 connected to the positioning bottom plate 31; the installation bottom plate 29 is provided with two second push cylinders 33 parallel to and opposite to the first push cylinder 32, each of which is parallel to the first push cylinder 32. The conveying end of the second push cylinder 33 is provided with positioning nylon blocks 34. A centering clamping port is formed between the two positioning nylon blocks 34. The thickness positioning lip detection device 1 is provided with a second linear slide module. 28 parallel first limiting guide rails 35, and the mounting bottom plate 29 is provided with a notch that matches the first limiting guide rail 35. When the thickness detection station positioning tool 4 in the present invention is working, it first clamps and positions the positioning nylon block 34 through the second push cylinder 33, and then performs detection under the action of the point laser of the laser detection mechanism 6. If the detection result If the bearing is qualified, the second linear slide module 28 moves to the feed channel 9 with unqualified bearing thickness, or the bearing transition and flipping mechanism 8 is used to clamp and flip the bearing that has passed the laser inspection and transport it to the next process. , if the test result is unqualified, the first pushing cylinder 32 and the second pushing cylinder 33 will shrink at the same time, and the bearing bush will fall into the material channel 9 with unqualified thickness of the bearing bush.

As shown in Figure 4, the bearing transition flipping mechanism 8 includes a third linear slide module 36 and a second limiting guide rail 37 that are disposed at the top of the thickness positioning lip detection device 1 and are opposite to each other. The third linear slide module 36 There is a moving plate 38 between 36 and the second limiting guide rail 37. A vertically downward lifting slide module 40 is fixed on the moving plate 38 through a retaining plate 39. The slide block of the lifting slide module 40 is fixed. The second L-shaped mounting plate 41 is fixed with a second L-shaped mounting plate 41. A rotating cylinder 42 is provided on the second L-shaped mounting plate 41. A pair of clamping jaw cylinders 43 are arranged on the rotating block of the rotating cylinder 42. The telescopic end of each clamping jaw cylinder 43 is Both are provided with clamping blocks 44, and the two clamping blocks 44 cooperate to form a clamping opening. The bearing transition flipping mechanism 8 in the present invention can move horizontally through the third linear slide module 36 to realize the docking between the thickness detection station positioning tool 4 and the positioning lip detection station positioning tool 7, and facilitate The bearing bush whose thickness has been detected by the laser detection mechanism 6 is transported to perform positioning lip detection. During operation, the second L-shaped mounting plate 41 can be driven up and down by lifting the slide module 40, and then use a pair of clamping jaw cylinders 43 on the second L-shaped mounting plate 41 to move the control clamping block 44. Two mutually matched clamping blocks 44 clamp the bearing bush, and rotate through the rotating cylinder 42 to realize the turning action of the bearing bush.

As shown in Figures 5 and 6, the positioning lip detection station positioning tool 7 includes a fourth linear slide module 45 and a third limiting guide rail 46 arranged oppositely at the rear end of the thickness positioning lip detection device 1. A lower bottom plate 47 is provided between the four-linear slide module 45 and the third limiting guide rail 46. A second guide rail 48 is provided on the lower bottom plate 47. Two centrally arranged third guide rails 48 are slidably provided on the second guide rail 48. A pair of centering nylon blocks 49, the lower base plate 47 is provided with a centering cylinder 50 connected to the first centering nylon block 49; the lower base plate 47 is provided with a positioning lip blocking mechanism, and the positioning lip blocking mechanism includes a positioning lip blocking mechanism provided on the lower base plate 47 There is a door-shaped bracket 51 on the door-shaped bracket 51. The door-shaped bracket 51 is provided with a vertically downward second lifting cylinder 52. The telescopic end of the second lifting cylinder 52 is provided with a baffle 53. The door-shaped bracket 51 There is a pressing down cylinder 54 on the inner side wall of the body. The telescopic end of the pressing down cylinder 54 is provided with a pressing down nylon block 55 facing downwards. The lower bottom plate 47 is provided with a positioning plate 56, and the positioning plate 56 is provided with a positioning plate 56. There is a pushing cylinder 57, and the output end of the pushing cylinder 57 is provided with a second centering nylon block 58. In the positioning lip detection station positioning tool 7 of the present invention, when the bearing bush is transported to the bearing transition turning mechanism 8 through the bearing bush transition turning mechanism 8, the two centering cylinders 50 move in opposite directions to drive the two first centering nylon blocks 49. Move in opposite directions to center the bearing bush, and push the second centering nylon block 58 to move by pushing the cylinder 57, thereby pushing the bearing bush into contact with the baffle 53, and then the pressing cylinder 54 works to drive the pressing down of the nylon block 55 presses down the bearing bush to position, and finally the second lifting cylinder 52 drives the baffle 53 to move upward, and uses the positioning lip visual inspection device 2 to visually detect the positioning lip of the bearing bush, and the bearing bush that passes the test falls into the positioning lip of the bearing bush and passes the test. In the feed channel 12, those that fail the test will fall into the feed channel 11 with unqualified bearing positioning lips.

The top of the baffle 53 is provided with a pair of vertically upward light guide rods 59. The gate-shaped bracket 51 is provided with a limiting through hole for the light guide rods 59 to pass through, which serves as a limiter.

The positioning lip visual inspection device 2 includes a positioning frame 60 arranged above the qualified product output line body 13. The positioning frame 60 is provided with left and right sliding tables 61 on the side walls, and the left and right sliding tables 61 are provided with lifting slides. Platform 62. The lifting slide 62 is provided with a CCD camera 63 that is positioned toward the positioning lip detection station 7. The CCD camera 63 can be driven to move by the lifting slide 62 and the left and right slides 61, thereby controlling the movement of the CCD camera 63. The position is adjusted so that the CCD camera 63 can visually detect the fixed bearing bush.

The detection method of this comprehensive bearing detection device is to first clamp the bearing bush in the bearing transition transmission mechanism and place it to the thickness detection station positioning tool for positioning, and then move the thickness detection station positioning tool to transport the positioned bearing bush to the laser inspection In the mechanism, the point laser in the laser detection mechanism is used to detect the bearing bush. The qualified products are moved through the thickness detection station positioning tool and sent out of the laser detection mechanism. At the same time, the bearing transition flip mechanism clamps the tested bearing bush. After taking it out, move it, and finally put the clamped bearing bush into the positioning lip detection station positioning tooling. Use the positioning lip detection station positioning tooling to fix the bearing bush. Then the positioning lip visual inspection device starts to work, and the positioning lip detection station positioning tooling is used to fix the bearing bush. The positioning lip of the bearing bush on the lip detection station positioning tooling starts to be detected, and the qualified bearing bush is output through the qualified product output line.

Claims (7)

1. The utility model provides a comprehensive detection device of axle bush which characterized in that: the device comprises a thickness positioning lip detection device (1) and a positioning lip visual detection device (2), wherein a bearing bush transition conveying mechanism (3) is arranged at the front end of the thickness positioning lip detection device (1), and a thickness detection station positioning tool (4) is arranged below the bearing bush transition conveying mechanism (3); the thickness positioning lip detection device (1) is internally provided with laser detection mechanisms (6) above and below a thickness detection station positioning tool (4) through a lifting mechanism (5), the tail end of the thickness positioning lip detection device (1) is provided with a positioning lip detection station positioning tool (7), the thickness positioning lip detection device (1) is provided with a bearing bush transition turnover mechanism (8), and the thickness detection station positioning tool (4) is connected with the positioning lip detection station positioning tool (7) through the bearing bush transition turnover mechanism (8); the thickness positioning lip detection device (1) is provided with a bearing bush thickness unqualified material channel (9), a bearing bush thickness repairing material channel (10), a bearing bush positioning lip unqualified material channel (11) and a bearing bush positioning lip qualified material channel (12), the bearing bush positioning lip qualified material channel (12) is arranged below a positioning lip detection station positioning tool (7), and the bearing bush positioning lip qualified material channel (12) is in butt joint with a qualified product output line body (13); the positioning lip visual detection device (2) is matched with a positioning lip detection station positioning tool (7); the thickness detection station positioning tool (4) comprises a second linear sliding table module (28) which is arranged in the thickness positioning lip detection device (1) and extends from the lower part of the axle bush transition conveying mechanism (3) to the lower part of the axle bush transition overturning mechanism (8), a mounting base plate (29) is arranged on the top of the second linear sliding table module (28) in a sliding mode, a pair of parallel first guide rails (30) are arranged on the mounting base plate (29), two positioning base plates (31) which are arranged in a centering mode are arranged on the first guide rails (30) in a sliding mode, and a first pushing cylinder (32) connected with the positioning base plates (31) is arranged on the mounting base plate (29); two second pushing cylinders (33) which are parallel to the first pushing cylinders (32) and are oppositely arranged are arranged on the mounting bottom plate (29), positioning nylon blocks (34) are arranged at the conveying end of each second pushing cylinder (33), a centering clamping opening is formed between the two positioning nylon blocks (34), a first limit guide rail (35) which is parallel to the second linear sliding table module (28) is arranged in the thickness positioning lip detection device (1), and a notch matched with the first limit guide rail (35) is formed in the mounting bottom plate (29);

the detection method for realizing the bearing bush comprehensive detection device comprises the following steps: firstly, the axle bush is clamped and placed on a thickness detection station positioning tool to be positioned through a bearing bush transition conveying mechanism, then the positioned bearing bush is conveyed into a laser detection mechanism by the thickness detection station positioning tool, point laser in the laser detection mechanism is utilized to detect the bearing bush, a qualified product is moved through the thickness detection station positioning tool, the laser detection mechanism is sent out, meanwhile, the bearing bush transition turnover mechanism clamps and moves the detected bearing bush, finally, the clamped bearing bush is placed on a positioning lip detection station positioning tool, the positioning lip detection station positioning tool is utilized to fix the bearing bush, then a positioning lip visual detection device starts to work, the positioning lip of the bearing bush fixed on the positioning lip detection station positioning tool starts to be detected, and the bearing bush which is qualified in detection is output through an qualified product output line body.

2. The bearing bush comprehensive detection device according to claim 1, wherein: the bearing bush transition conveying mechanism (3) comprises a positioning frame (14) arranged at the front end of the thickness positioning lip detection device (1), a first vertical-downward cylinder (15) is arranged on the positioning frame (14), a lifting plate (16) is arranged at the telescopic end of the first cylinder (15), a plurality of vertical-downward limiting rods (17) are arranged on the lifting plate (16), a through hole for the limiting rods (17) to pass through is formed in the positioning frame (14), a first linear sliding table module (18) is arranged at the bottom of the lifting plate (16), a first L-shaped mounting plate (19) is arranged on a sliding block of the first linear sliding table module (18), a bearing bush clamping cylinder (20) which is transversely arranged is arranged at the upper part of the first L-shaped mounting plate (19), a moving block (21) is arranged on the bearing bush clamping cylinder (20), a retaining frame (22) is arranged at the bottom of the moving block (21), a first vertical-downward lifting cylinder (23) is arranged on the retaining frame (22), and an L-shaped clamping block (24) is arranged at the telescopic end of the first lifting cylinder (23); the bearing bush centering device is characterized in that a vertical downward chute (25) is formed in the side wall of the first L-shaped mounting plate (19), a bearing bush centering block (26) is arranged in the chute (25) in a sliding mode, a bearing bush centering cylinder (27) is arranged on the first L-shaped mounting plate (19), and the telescopic end of the bearing bush centering cylinder (27) is connected with the bearing bush centering block (26).

3. The bearing bush comprehensive detection device according to claim 2, wherein: and the bearing bush centering block (26) is provided with a V-shaped positioning groove.

4. The bearing bush comprehensive detection device according to claim 1, wherein: the bearing bush transition turnover mechanism (8) comprises a third linear sliding table module (36) and a second limiting guide rail (37) which are arranged at the top end of the thickness positioning lip detection device (1) and are oppositely arranged, a moving plate (38) is arranged between the third linear sliding table module (36) and the second limiting guide rail (37), a vertical downward lifting sliding table module (40) is fixed on the moving plate (38) through a retention plate (39), a second L-shaped mounting plate (41) is fixed on a sliding block of the lifting sliding table module (40) through a fixing piece, a rotary cylinder (42) is arranged on the second L-shaped mounting plate (41), a pair of clamping jaw cylinders (43) are arranged on a rotary block of the rotary cylinder (42), clamping blocks (44) are arranged at telescopic ends of each clamping jaw cylinder (43), and two clamping blocks (44) are matched to form a clamping opening.

5. The bearing bush comprehensive detection device according to claim 1, wherein: the positioning lip detection station positioning tool (7) comprises a fourth linear sliding table module (45) and a third limiting guide rail (46) which are arranged at the rear end of the thickness positioning lip detection device (1) in an opposite mode, a lower bottom plate (47) is arranged between the fourth linear sliding table module (45) and the third limiting guide rail (46), a second guide rail (48) is arranged on the lower bottom plate (47), two first centering nylon blocks (49) which are arranged in a centering mode are arranged on the second guide rail (48) in a sliding mode, and a centering cylinder (50) connected with the first centering nylon blocks (49) is arranged on the lower bottom plate (47); be equipped with location lip on lower plate (47) and block mechanism, location lip blocks mechanism including setting up door style of calligraphy support (51) on lower plate (47), be equipped with vertical decurrent second lift cylinder (52) on door style of calligraphy support (51), the flexible end of second lift cylinder (52) is equipped with baffle (53), be equipped with down air cylinder (54) on the inside wall of door style of calligraphy support (51), the flexible end of air cylinder (54) is equipped with down pressure nylon piece (55) downwards, be equipped with locating plate (56) on lower plate (47), be equipped with on locating plate (56) and push away tight cylinder (57), the output of pushing away tight cylinder (57) is equipped with second centering nylon piece (58).

6. The bearing bush comprehensive detection device according to claim 5, wherein: the top of baffle (53) is equipped with a pair of vertical ascending direction polished rod (59), be equipped with the spacing through-hole that supplies direction polished rod (59) to pass on the style of calligraphy support (51).

7. The bearing bush comprehensive detection device according to claim 1, wherein: the visual detection device for the positioning lips (2) comprises a positioning rack (60) arranged above an qualified product output line body (13), a left sliding table (61) and a right sliding table (61) are arranged on the side wall of the positioning rack (60), a lifting sliding table (62) is arranged on the left sliding table and the right sliding table (61), and a CCD camera (63) facing to a positioning lip detection station positioning tool (7) is arranged on the lifting sliding table (62).