Plunger pin detection device and detection method

Abstract

The invention discloses a plunger pin detection device and method, and the device comprises a rack, a feeding mechanism disposed on one side of the rack, and a receiving mechanism disposed on the other side of the rack. The roller conveying mechanism is arranged on the machine frame in the X direction, and the feeding mechanism is arranged on the machine frame and used for transferring products in the feeding mechanism into the roller conveying mechanism. The discharging mechanism is arranged on the rack and used for transferring the products in the roller conveying mechanism into the receiving mechanism; and the detection mechanism is arranged on the rack and used for detecting the products in the roller conveying mechanism. The plunger pin detection mechanism has the advantages that the plunger pin can be rapidly and spirally driven, so that the detection mechanism can detect the plunger pin by 360 degrees, the detection efficiency is effectively improved, and a product is prevented from being damaged.

Description

Technical Field

[0001] The present invention relates to the field of detection devices, and specifically to a plunger pin detection device and a detection method. Background Art

[0002] The plunger pin is a commonly used component in automobiles. During the manufacturing process of the plunger pin, it is necessary to perform appearance inspection on the plunger pin to screen out unqualified products with defects such as cracks and holes on the appearance. The traditional detection method is to fix the plunger pin from the end and then drive the plunger pin to rotate, and use a sensor to detect the product. This method not only has low detection efficiency, but also easily causes deformation of the product during the fixing process, resulting in defective products.

[0003] In view of this, it is necessary to provide a plunger pin detection device and a detection method. Summary of the Invention

[0004] The plunger pin detection device and detection method provided by the present invention effectively solve the problems of low efficiency and easy damage to products in the existing detection method when detecting plunger pins.

[0005] The technical solution adopted by the present invention is

[0006] The plunger pin detection device includes a frame, a feeding mechanism arranged on one side of the frame, a receiving mechanism arranged on the other side of the frame, and further includes a roller conveying mechanism arranged on the frame along the X direction, a feeding mechanism arranged on the frame for transferring the product in the feeding mechanism to the roller conveying mechanism, a discharging mechanism arranged on the frame for transferring the product in the roller conveying mechanism to the receiving mechanism, and a detection mechanism arranged on the frame for detecting the product in the roller conveying mechanism.

[0007] Furthermore: The roller conveying mechanism includes a first mounting seat arranged on the frame, a first tapered roller drum and a second tapered roller drum rotatably arranged on the first mounting seat, and a first driving component arranged on the first mounting seat for driving the first tapered roller drum and the second tapered roller drum to rotate. One end of the first tapered roller drum is a first large end, and the other end of the first tapered roller drum is a first small end. The first tapered roller drum shrinks from the first large end along the direction of the first small end. One end of the second tapered roller drum is a second large end, and the other end of the second tapered roller drum is a second small end. The second tapered roller drum shrinks from the second large end along the direction of the second small end. The first large end corresponds to the second small end, and the first small end corresponds to the second large end. A conveying channel is formed between the first tapered roller drum and the second tapered roller drum, and a gap is arranged between the first tapered roller drum and the second tapered roller drum.

[0008] Furthermore, the first driving assembly includes a synchronous belt, a motor disposed on the first mounting base, a third synchronous pulley disposed on the output shaft of the motor, a first synchronous pulley coaxially disposed at the end of the large end of the first component, and a second synchronous pulley disposed at the end of the small end of the second component. The synchronous belt is wound around the first synchronous pulley, the second synchronous pulley, and the third synchronous pulley.

[0009] Furthermore, the detection mechanism includes a first strip base disposed on the frame, a first bracket slidably disposed on the first strip base, a manual fixing member for fixing the first bracket and the first strip base, a first mounting bracket and a second mounting bracket that are liftably disposed on the first bracket, a first sensor disposed on the first mounting bracket for performing an appearance inspection on the plunger pin from above, a first opposed sensor disposed on the second mounting bracket for detecting whether the product enters the detection area, and a second opposed sensor for detecting whether the product flows out of the detection area.

[0010] Furthermore, a pushing mechanism is further disposed on the frame. The pushing mechanism includes a first pushing assembly and a second pushing assembly respectively located on both sides of the detection mechanism. The first pushing assembly and the second pushing assembly have the same structure. The first pushing assembly includes a first linear module disposed on the frame and a push rod fixedly disposed at the output end of the first linear module. The upper end of the push rod extends into the conveying channel. The first linear module is used to drive the push rod to move along the extending direction of the conveying channel.

[0011] Furthermore, a marking mechanism is further disposed on the frame. The marking mechanism includes a third support disposed on the frame, a third air cylinder disposed on the third support, fixedly disposed on the third frame, a linear bearing disposed on the third frame, a guide post sleeved in the linear bearing, a limit head disposed at the upper end of the guide post, a fastener fixedly connected to the lower end of the guide post, and a signal pen disposed on the fastener.

[0012] Furthermore, the feeding mechanism includes a second linear module disposed on the frame along the X direction, a fixing frame fixedly disposed at the output end of the second linear module, a third linear module disposed on the fixing frame along the Y direction, a fourth air cylinder disposed on the output end of the third linear module along the Z direction, a third plate disposed at the output end of the fourth air cylinder, a third rotary air cylinder disposed on the third plate with its output end facing downward, and a third jaw disposed at the output end of the third rotary air cylinder.

[0013] Furthermore, the discharging mechanism includes a fifth seat disposed on the frame, a fifth linear module disposed on the fifth seat along the Y direction, a fifth air cylinder fixedly disposed on the output end of the fifth linear module along the Z direction, a fifth plate disposed at the output end of the fifth air cylinder, and a fifth jaw disposed on the fifth plate.

[0014] The plunger pin detection method uses a plunger pin detection device. The feeding mechanism transfers the products in the feeding supply mechanism to the roller conveying mechanism. The roller conveying mechanism moves towards the detection mechanism in a way that drives the plunger pin to spiral forward. The detection mechanism detects the spirally advancing plunger pin, and then the discharging mechanism classifies and collects the detected plunger pins according to the detection results.

[0015] Advantages of the invention: It can quickly drive the plunger pin spirally, enabling the detection mechanism to perform 360° detection on the plunger pin, effectively improving the detection efficiency and avoiding damage to the products. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall plunger pin detection device provided by the embodiment of the present application.

[0017] Figure 2 It is a schematic diagram of the plunger pin detection device provided by the embodiment of the present application with the feeding supply mechanism and the receiving mechanism removed.

[0018] Figure 3 It is a schematic diagram of the roller conveying mechanism, the detection mechanism, the pushing mechanism, and the marking mechanism of the plunger pin detection device provided by the embodiment of the present application.

[0019] Figure 4 It is a schematic diagram of the roller conveying mechanism of the plunger pin detection device provided by the embodiment of the present application.

[0020] Figure 5 It is a schematic diagram of the detection mechanism of the plunger pin detection device provided by the embodiment of the present application.

[0021] Figure 6 It is a schematic diagram of the marking mechanism of the plunger pin detection device provided by the embodiment of the present application.

[0022] Figure 7 It is a schematic diagram of the pushing mechanism of the plunger pin detection device provided by the embodiment of the present application.

[0023] Figure 8 It is a schematic diagram of the feeding mechanism of the plunger pin detection device provided by the embodiment of the present application.

[0024] Figure 9 It is a schematic diagram of the discharging mechanism of the plunger pin detection device provided by the embodiment of the present application.

[0025] The labels in the figure are: 1, frame; 2, feeding mechanism; 3, material receiving mechanism; 4, roller conveying mechanism; 5, loading mechanism; 6, unloading mechanism; 7, detection mechanism; 41, first mounting seat; 42, first tapered roller; 43, second tapered roller; 44, first driving assembly; 401, first large end; 402, first small end; 403, second large end; 404, second small end; 441, motor; 442, third synchronous pulley; 443, first synchronous pulley; 444, second synchronous pulley; 445, synchronous belt; 71, first strip seat; 72, first bracket; 73, manual fixing part; 74, first mounting frame; 75, second mounting frame; 76, first sensor; 77, first opposed sensor; 78, second opposed sensor; 8, pushing mechanism; 81, first pushing assembly; 82, second pushing assembly; 811, first linear module; 812, push rod; 9, marking mechanism; 91, third support; 92, third cylinder; 93, third frame; 94, linear bearing; 95, guide post; 96, limit head; 97, fastener; 98, signal pen; 51, second linear module; 52, fixing frame; 53, third linear module; 54, fourth cylinder; 55, third plate; 56, third rotary cylinder; 57, third jaw; 61, fifth seat; 62, fifth linear module; 63, fifth cylinder; 64, fifth plate; 65, fifth jaw; 100, plunger pin. Detailed implementation mode

[0026] To make the above objects, features and advantages of the present invention more obvious and understandable, the following detailed description of the specific implementation mode of the present invention is provided in conjunction with the accompanying drawings.

[0027] As Figure 1 As shown, the plunger pin detection device provided by the embodiment of the present application has a structure including a frame 1, a feeding mechanism 2 arranged on one side of the frame 1, a material receiving mechanism 3 arranged on the other side of the frame 1, and further includes a roller conveying mechanism 4 arranged on the frame 1 along the X direction, a loading mechanism 5 arranged on the frame 1 for transferring the products in the feeding mechanism 2 to the roller conveying mechanism 4, an unloading mechanism 6 arranged on the frame 1 for transferring the products in the roller conveying mechanism 4 to the material receiving mechanism 3, and a detection mechanism 7 arranged on the frame 1 for detecting the products in the roller conveying mechanism 4.

[0028] During actual use, the loading mechanism 5 transfers the products in the feeding mechanism 2 to the roller conveying mechanism 4. The roller conveying mechanism 4 moves towards the detection mechanism 7 in a way that drives the plunger pin 100 to spiral forward. The detection mechanism 7 detects the spirally advancing plunger pin 100, and then the unloading mechanism 6 classifies and collects the detected plunger pins 100 according to the detection results.

[0029] In the above design, the plunger pin 100 can be quickly driven in a spiral manner, enabling the detection mechanism 7 to detect the plunger pin 100 by 360°, effectively improving the detection efficiency and avoiding damage to the product.

[0030] Specifically: as Figure 2 , Figure 3 and Figure 4 shown, the roller conveying mechanism 4 includes a first mounting seat 41 provided on the frame 1, a first tapered roller 42 and a second tapered roller 43 rotatably arranged on the first mounting seat 41, and a first driving component 44 provided on the first mounting seat 41 for driving the first tapered roller 42 and the second tapered roller 43 to rotate. One end of the first tapered roller 42 is a first large end 401, and the other end of the first tapered roller 42 is a first small end 402. The first tapered roller 42 contracts from the first large end 401 along the direction of the first small end 402. One end of the second tapered roller 43 is a second large end 403, and the other end of the second tapered roller 43 is a second small end 404. The second tapered roller 43 contracts from the second large end 403 along the direction of the second small end 404. The first large end 401 corresponds to the second small end 404, and the first small end 402 corresponds to the second large end 403. A conveying channel is formed between the first tapered roller 42 and the second tapered roller 43, and a gap is provided between the first tapered roller 42 and the second tapered roller 43.

[0031] In actual use, the first driving component 44 drives the first tapered roller 42 and the second tapered roller 43 to rotate, and the friction between the first tapered roller 42 and the second tapered roller 43 on the outer wall of the plunger pin 100 is utilized to realize the spiral forward drive of the plunger pin 100. During the forward rotational movement of the plunger pin 100, the detection mechanism 7 conducts detection.

[0032] In the above design, the structural design and specific implementation method of the roller conveying mechanism 4 can realize the stable rotational movement of the plunger pin 100, ensure that the plunger pin 100 can automatically roll forward, and facilitate the detection of the plunger pin 100.

[0033] Specifically: as Figure 4 shown, the first driving component 44 includes a synchronous belt 445, a motor 441 provided on the first mounting seat 41, a third synchronous wheel 442 provided on the output shaft of the motor, a first synchronous wheel 443 coaxially provided at the end of the first large end 401, and a second synchronous wheel 444 provided at the end of the second small end 404. The synchronous belt 445 is wound around the first synchronous wheel 443, the second synchronous wheel 444, and the third synchronous wheel 442.

[0034] In actual use, the motor 441 drives the third synchronous pulley 442 to rotate, so that the synchronous belt 445 drives the first synchronous pulley 443 and the second synchronous pulley 444 to rotate synchronously, thereby enabling the first tapered roller drum 42 and the second tapered roller drum 43 to rotate synchronously.

[0035] In the above design, the structural design and specific implementation manner of the first driving assembly 44 can effectively achieve the stable driving of the first tapered roller drum 42 and the second tapered roller drum 43.

[0036] Specifically: as Figure 5 shown, the detection mechanism 7 includes a first strip seat 71 arranged on the frame 1, a first bracket 72 slidably arranged on the first strip seat 71, a manual fixing member 73 for fixing the first bracket 72 and the first strip seat 71, a first mounting frame 74 and a second mounting frame 75 which are vertically arranged on the first bracket 72, a first sensor 76 arranged on the first mounting frame 74 for visually inspecting the outer wall of the plunger pin 100 from above, a first opposed sensor 77 arranged on the second mounting frame 75 for detecting whether the product enters the detection area, and a second opposed sensor 78 for detecting whether the product flows out of the detection area.

[0037] In actual use, when the first opposed sensor 77 detects that the plunger pin 100 enters the detection area, the second opposed sensor 78 detects that the plunger pin 100 flows out of the detection area, and the first sensor 76 detects whether there are defects such as cracks on the outer wall of the plunger pin 100.

[0038] In the above design, the structural design and specific implementation manner of the detection mechanism 7 can effectively achieve the rapid detection of the plunger pin 100 and can detect whether the plunger pin 100 is in place.

[0039] Specifically: as Figure 2 、 Figure 3 and Figure 7 shown, a pushing mechanism 8 is further arranged on the frame 1. The pushing mechanism 8 includes a first pushing assembly 81 and a second pushing assembly 82 respectively located on both sides of the detection mechanism 7. The first pushing assembly 81 and the second pushing assembly 82 have the same structure. The first pushing assembly 81 includes a first linear module 811 arranged on the frame 1 and a push rod 812 fixedly arranged at the output end of the first linear module 811. The upper end of the push rod 812 extends into the conveying channel, and the first linear module 811 is used to drive the push rod 812 to move along the extension direction of the conveying channel.

[0040] In actual use, on one side of the detection mechanism 7, the first pusher assembly 81 pushes the plunger pin 100, and on the other side of the detection mechanism 7, it is pushed by the second pusher assembly 82. The working principle of the first pusher assembly 81 is: the push rod 812 is driven by the first linear module 811 to push the plunger pin 100 along the flow channel direction.

[0041] In the above design, the structural design of the pusher mechanism 8 can facilitate the movement of the plunger pin 100 in the roller conveying mechanism 4 and prevent the plunger pin 100 from moving too slowly in the roller conveying mechanism 4.

[0042] Specifically: as Figure 3 and Figure 6 shown, a marking mechanism 9 is further provided on the frame 1. The marking mechanism 9 includes a third support 91 provided on the frame 1, a third cylinder 92 provided on the third support 91, a third frame 93 fixedly provided, a linear bearing 94 provided on the third frame 93, a guide post 95 sleeved in the linear bearing 94, a limit head 96 provided at the upper end of the guide post 95, a fastener 97 fixedly connected to the lower end of the guide post 95, and a signal pen 98 provided on the fastener 97.

[0043] In actual use, when the detection mechanism 7 detects that the plunger pin 100 is unqualified, the marking mechanism 9 will mark the unqualified product. The marking principle is: the third cylinder 92 drives the third frame 93 to move towards the side of the plunger pin 100, so that the signal pen 98 marks the plunger pin 100.

[0044] In the above design, the structural design and specific implementation method of the marking mechanism 9 can effectively realize the timely marking of the unqualified plunger pin 100, which is convenient for later sorting and repair.

[0045] Specifically: as Figure 8 shown, the feeding mechanism 5 includes a second linear module 51 arranged on the frame 1 along the X direction, a fixed frame 52 fixedly arranged at the output end of the second linear module 51, a third linear module 53 arranged on the fixed frame 52 along the Y direction, a fourth cylinder 54 arranged on the output end of the third linear module 53 along the Z direction, a third plate 55 arranged at the output end of the fourth cylinder 54, a third rotary cylinder 56 arranged on the third plate 55 with its output end facing downwards, and a third jaw 57 arranged at the output end of the third rotary cylinder 56.

[0046] During actual use, the second linear module 51 drives the fixed frame 52 to move in the X direction, causing the fixed frame 52 to drive the third linear module 53 to move synchronously. The third linear module 53 drives the fourth cylinder 54 to move in the Y direction, and the fourth cylinder 54 drives the third plate 55 to lift and lower. The third plate 55 drives the third rotary cylinder 56 to lift and lower, enabling the third jaw 57 to pick up or put down the plunger pin 100.

[0047] In the above design, the structural design and specific implementation manner of the feeding mechanism 5 facilitate the feeding of the plunger pin 100.

[0048] Specifically: As Figure 9 shown, the discharging mechanism 6 includes a fifth base 61 arranged on the frame 1, a fifth linear module 62 arranged on the fifth base 61 in the Y direction, a fifth cylinder 63 fixedly arranged in the Z direction at the output end of the fifth linear module 62, a fifth plate 64 arranged at the output end of the fifth cylinder 63, and a fifth jaw 65 arranged on the fifth plate 64.

[0049] During actual use, the fifth linear module 62 drives the fifth cylinder 63 to move in the Y direction, and the fifth cylinder 63 drives the fifth plate 64 to lift and lower, enabling the fifth jaw 65 to lift and lower synchronously to complete the transfer of the plunger pin 100.

[0050] In the above design, the structural design and specific implementation manner of the discharging mechanism 6 can quickly transfer the plunger pin 100 from the roller conveying mechanism 4 to the material receiving mechanism 3.

[0051] For the detection method of the plunger pin 100, a plunger pin 100 detection device is adopted. The feeding mechanism 5 transfers the products in the feeding mechanism 2 to the roller conveying mechanism 4. The roller conveying mechanism 4 moves the plunger pin 100 in a spiral advancing manner towards the detection mechanism 7 side. The detection mechanism 7 detects the spirally advancing plunger pin 100, and then the discharging mechanism 6 classifies and collects the detected plunger pin 100 according to the detection results.

[0052] In the above design, by making the plunger pin 100 roll forward spirally, the rotation of the plunger pin 100 is realized, ensuring that the outer wall of the plunger pin 100 can be covered for detection, improving the detection efficiency, and avoiding damage to the plunger pin 100.

[0053] For further detailed description, it should be understood that the above are only specific embodiments of the present invention and do not limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. Plunger pin detection device, comprising a frame (1), a feeding mechanism (2) arranged on one side of the frame (1), and a material receiving mechanism (3) arranged on the other side of the frame (1), characterized in that: It further includes a roller conveyor mechanism (4) arranged on the frame (1) along the X direction, a feeding mechanism (5) arranged on the frame (1) for transferring the products in the feeding mechanism (2) to the roller conveyor mechanism (4), a discharging mechanism (6) arranged on the frame (1) for transferring the products in the roller conveyor mechanism (4) to the material receiving mechanism (3), and a detection mechanism (7) arranged on the frame (1) for detecting the products in the roller conveyor mechanism (4).

2. The plunger pin detection device according to claim 1, wherein: The roller conveyor mechanism (4) includes a first mounting seat (41) arranged on the frame (1), a first tapered roller (42) and a second tapered roller (43) rotatably arranged on the first mounting seat (41), and a first driving assembly (44) arranged on the first mounting seat (41) for driving the first tapered roller (42) and the second tapered roller (43) to rotate. One end of the first tapered roller (42) is a first large end (401), and the other end of the first tapered roller (42) is a first small end (402). The first tapered roller (42) shrinks from the first large end (401) along the direction of the first small end (402). One end of the second tapered roller (43) is a second large end (403), and the other end of the second tapered roller (43) is a second small end (404). The second tapered roller (43) shrinks from the second large end (403) along the direction of the second small end (404). The first large end (401) corresponds to the second small end (404), and the first small end (402) corresponds to the second large end (403). A conveying channel is formed between the first tapered roller (42) and the second tapered roller (43), and a gap is provided between the first tapered roller (42) and the second tapered roller (43).

3. The plunger pin detection device according to claim 2, wherein: The first driving assembly (44) includes a synchronous belt (445), a motor (441) arranged on the first mounting seat (41), a third synchronous pulley (442) arranged on the output shaft of the motor (441), a first synchronous pulley (443) coaxially arranged at the end of the first large end (401), and a second synchronous pulley (444) arranged at the end of the second small end (404). The synchronous belt (445) is wound around the first synchronous pulley (443), the second synchronous pulley (444), and the third synchronous pulley (442).

4. The plunger pin detection device according to claim 1, characterized in that: The detection mechanism (7) includes a first strip seat (71) arranged on the frame (1), a first bracket (72) slidably arranged on the first strip seat (71), a manual fixing member (73) for fixing the first bracket (72) and the first strip seat (71), a first mounting frame (74) and a second mounting frame (75) arranged on the first bracket (72) in a liftable manner, a first sensor (76) arranged on the first mounting frame (74) for performing an appearance inspection on the plunger pin (100) from above, a first opposed sensor (77) arranged on the second mounting frame (75) for detecting whether the product enters the detection area, and a second opposed sensor (78) for detecting whether the product flows out of the detection area.

5. The plunger pin detection device according to claim 1, wherein: A pusher mechanism (8) is further provided on the frame (1). The pusher mechanism (8) includes a first pusher assembly (81) and a second pusher assembly (82) respectively located on both sides of the detection mechanism (7). The first pusher assembly (81) and the second pusher assembly (82) have the same structure. The first pusher assembly (81) includes a first linear module (811) provided on the frame (1) and a push rod (812) fixedly provided at the output end of the first linear module (811). The upper end of the push rod (812) extends into the conveying channel. The first linear module (811) is used to drive the push rod (812) to move along the extending direction of the conveying channel.

6. The plunger pin detection device according to claim 1, wherein: A marking mechanism (9) is further provided on the frame (1). The marking mechanism (9) includes a third support (91) provided on the frame (1), a third cylinder (92) provided on the third support (91), a third frame (93) fixedly provided, a linear bearing (94) provided on the third frame (93), a guide post (95) sleeved in the linear bearing (94), a limit head (96) provided at the upper end of the guide post (95), a fastener (97) fixedly connected to the lower end of the guide post (95), and a signal pen (98) provided on the fastener (97).

7. The plunger pin detection device according to claim 1, characterized in that: The feeding mechanism (5) includes a second linear module (51) provided on the frame (1) along the X direction, a fixed frame (52) fixedly provided at the output end of the second linear module (51), a third linear module (53) provided on the fixed frame (52) along the Y direction, a fourth cylinder (54) provided at the output end of the third linear module (53) along the Z direction, a third plate (55) provided at the output end of the fourth cylinder (54), a third rotary cylinder (56) provided on the third plate (55) with the output end facing downwards, and a third jaw (57) provided at the output end of the third rotary cylinder (56).

8. The plunger pin detection device according to claim 1, characterized in that: The discharging mechanism (6) includes a fifth seat (61) provided on the frame (1), a fifth linear module (62) provided on the fifth seat (61) along the Y direction, a fifth cylinder (63) fixedly provided at the output end of the fifth linear module (62) along the Z direction, a fifth plate (64) provided at the output end of the fifth cylinder (63), and a fifth jaw (65) provided on the fifth plate (64).

9. The plunger pin detection method, using the plunger pin detection device according to any one of claims 1 to 8, is characterized in that: The feeding mechanism (5) transfers the products in the feeding mechanism (2) to the roller conveying mechanism (4). The roller conveying mechanism (4) moves towards the detection mechanism (7) in a way that drives the plunger pin (100) to travel spirally. The detection mechanism (7) detects the spirally advancing plunger pin (100). Subsequently, the discharged plunger pin (100) after detection is classified and collected according to the detection results by the discharging mechanism (6).

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