A part size detection apparatus

Abstract

The application discloses a kind of part size detection equipment, including the detection bench mechanism connected into PLC system, detection mechanism and the grabbing material moving mechanism that part is grabbed and then sent to detection bench mechanism.Detection bench mechanism includes detection bench component and blanking component;Detection bench component includes detection bench, detection bench upper end is equipped with detection site, blanking port and the pusher bar that part is pushed from detection site and moves into blanking port, pusher bar is connected with pusher cylinder;Blanking component includes blanking passage connected to the lower end of blanking port, the lower end of blanking passage is connected with a group of movable distribution passage components and the pusher cylinder that drives distribution passage component to move back and forth;Detection mechanism includes rotating disc located above detection bench, rotating cylinder that drives rotating disc circumferential rotation and pusher cylinder that drives rotating cylinder to move up and down;Rotating disc is connected with size detection component one and size detection component two.Part is detected using the application, and the probability that part is displaced after being located in detection site in operation process can be reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of small mechanical part size detection, and particularly relates to a part size detection device. BACKGROUND

[0002] Many small mechanical parts (such as small columnar parts, spherical parts, etc.) are involved in modern mechanical equipment. Before the parts are assembled, the size data (such as total height, total length, inner sphere height, etc.) of different parts of the parts need to be detected to detect whether the parts are qualified. The existing detection method is to set a clamping groove on a circumferentially rotatable rotating material loading disc, then the parts are placed in the clamping groove, and with the movement of the rotating material loading disc, the clamping groove with the parts moves to the detection head of different size detection components (such as height gauges) in turn, and then the total length, total height or inner sphere height data measurement and detection operation is completed in turn.

[0003] In this way, the size detection components generally do not move horizontally, and the parts move towards the size detection components. Since the parts are placed on the rotating material loading disc and then move to the size detection components, the position of the parts relative to the clamping groove may be slightly offset during the movement, especially when the parts move to the size detection components, the instantaneous shaking caused by the sudden stop of the rotating material loading disc may cause the position of the parts to be offset, thereby affecting the alignment accuracy between the size detection components and the parts. SUMMARY

[0004] (I) Technical problems solved

[0005] The purpose of the present application is to provide a part size detection device to solve the technical problem that the parts are prone to position offset in the detection position in the existing part size detection process. The present application has a simple structure and can be used for size detection operation of small mechanical parts to reduce the probability of displacement of the parts after being placed in the detection position during operation.

[0006] (II) Technical solutions

[0007] In order to achieve the above purpose, the present application adopts the following technical solutions:

[0008] A part size detection device, comprising a detection table mechanism, a grabbing and material moving mechanism for moving the parts to the detection table mechanism after grabbing the parts, and a detection mechanism;

[0009] The detection table mechanism comprises a detection table assembly and a discharging assembly, and the discharging assembly is located below the detection table assembly.

[0010] The detection platform assembly comprises a detection platform, the upper end of the detection platform is provided with a detection position, one side of the detection position is provided with a discharging port, the other side of the detection position is provided with a pushing rod for pushing the parts from the detection position into the discharging port, and a pushing cylinder is connected to the pushing rod;

[0011] The discharging assembly comprises a discharging channel, the upper end of the discharging channel is communicated with the discharging port, the lower end of the discharging channel is provided with a group of movable distribution channel components and a pushing cylinder for driving the distribution channel components to move back and forth, the distribution channel components comprise a first distribution channel and a second distribution channel, and under the driving of the pushing cylinder, the upper end opening of the first distribution channel and the upper end opening of the second distribution channel are continuously connected and separated with the lower end opening of the discharging channel in the moving process;

[0012] The detection mechanism comprises a rotating disc located above the detection platform, a rotating cylinder connected to the lower end of the rotating disc and used for driving the rotating disc to rotate circumferentially, and a pushing cylinder for driving the rotating cylinder to move up and down, the rotating disc is connected with a size detection component one and a size detection component two, and the size detection component one and the size detection component two are respectively used for detecting different sizes of the parts;

[0013] The detection platform mechanism, the grabbing and moving mechanism and the detection mechanism are connected into a PLC system.

[0014] Further, a guide column assembly located below the rotating disc is further included, the guide column assembly comprises a guide sleeve and a guide column, and the rotating disc is further provided with a through hole for the upper end of the guide column to be inserted into.

[0015] Further, an intermediate connecting piece is further included, the guide column assembly is at least two, each guide sleeve is connected with each other through the intermediate connecting piece, the movable end of the pushing cylinder extends upwards and is connected to the lower end of the intermediate connecting piece, and the rotating cylinder is connected to the upper end of the intermediate connecting piece.

[0016] Further, a recess notch is further arranged on the side edge close to the detection position of the pushing rod.

[0017] Further, limit stop edges are further arranged on both sides of the detection position, and the limit stop edges extend towards the discharging port.

[0018] Further, the movable end of the pushing cylinder is located at the center of each guide sleeve.

[0019] Further, the first distribution channel and the second distribution channel respectively extend to two outer side obliquely downward directions.

[0020] Further, the grabbing and transferring mechanism comprises an electromagnet suction component, an up-down air cylinder for driving the electromagnet suction component to move up and down, and a left-right air cylinder for driving the up-down air cylinder to move back and forth towards the detection table, and the lower end of the electromagnet suction component is provided with a groove-shaped recessed magnetic suction end.

[0021] Further, a material rubbing mechanism connected into the PLC system is further included, the material rubbing mechanism comprises a moving carrier disc and a material rubbing air cylinder for driving the moving carrier disc to move back and forth towards the grabbing and transferring mechanism, and the upper end of the moving carrier disc is provided with a material clamping groove, and a sensor is arranged in the material clamping groove.

[0022] Further, the side end of the moving carrier disc is further provided with a side baffle for preventing the parts from falling off.

[0023] (Three) beneficial effects

[0024] Compared with the prior art, the present application provides a part size detection device, which has the following beneficial effects:

[0025] 1、In the present application, the size detection component one and the size detection component two in the detection mechanism detect different data of the parts respectively, and during the detection process, before the size detection component one or the size detection component two completes the size detection of the parts, the parts do not displace, shake or tilt on the detection position, and only the size detection component one and the size detection component two move, so that the alignment degree between the size detection component one or the size detection component two and the parts during the detection can be better controlled, and the alignment deviation between the size detection component one or the size detection component two and the parts caused by the displacement of the parts can be reduced.

[0026] 2、In the present application, the guide column assembly for better guiding the up-down movement of the up-down air cylinder for driving the rotating disc is further included in the detection mechanism, so that the accuracy of the up-down movement path of the size detection component one and the size detection component two is improved.

[0027] 3、In the present application, the perforation for the guide column to be inserted is arranged on the rotating disc, and when the rotating disc moves downward from the highest point, the upper end of the guide column will be aligned with the perforation and gradually inserted into the perforation, so that the transverse displacement of the rotating disc can be avoided, the relative position of the rotating disc in the transverse direction is locked, and the up-down movement of the rotating disc is also guided to a certain extent.

[0028] 4、In the present application, the limiting baffle edge extending towards the discharge port is further arranged on both sides of the detection position, and the limiting baffle edge blocks the parts on both sides during the process that the parts are pushed by the pushing rod towards the discharge port, so that the parts can be prevented from sliding out from both sides.

[0029] 5、The present application, in the side of the pusher bar close to the detection site is also provided with recess notch, when the pusher bar moves in the direction of the discharge port, the part of one side of the detection site will be trapped in the recess notch; the part moves in the direction of the discharge port, will be locked in the recess notch; through the recess notch, can prevent the part from the detection site is pushed into the discharge port in the process of moving too much left and right deviation, in order to more accurately and efficiently push the part from the detection site into the discharge port. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a schematic view of the structure of a part size detection equipment in the application.

[0031] Figure 2 is a top view of the material rubbing mechanism in the equipment of the application.

[0032] Figure 3 is a side view of the material rubbing mechanism in the equipment of the application.

[0033] Figure 4 is a side view of the grabbing and moving material mechanism in the equipment of the application.

[0034] Figure 5 is a top view of the grabbing and moving material mechanism in the equipment of the application.

[0035] Figure 6 is a schematic view of the simple structure of the electromagnet suction part in the equipment of the application.

[0036] Figure 7 is a side view of the detection table mechanism in the equipment of the application.

[0037] Figure 8 is a side view of the detection table mechanism in the equipment of the application.

[0038] Figure 9 is a top view of the detection table assembly in the equipment of the application.

[0039] Figure 10 is a top view of the discharge assembly in the equipment of the application.

[0040] Figure 11 is a connection structure diagram of the detection mechanism and the detection table assembly in the equipment of the application Figure 1 .

[0041] Figure 12 is a connection structure diagram of the detection mechanism and the detection table assembly in the equipment of the application Figure 2 .

[0042] Figure 13 is a top view of Figure 11 .

[0043] Figure 14 isFigure 11 Partial structure diagram after removing size detection component and rotating disc on the basis.

[0044] In the figure:

[0045] A - parts, 1 - vibrating disc, 6 - straight vibration feeder, 7 - workbench;

[0046] 2 - rubbing mechanism, 210 - rubbing cylinder, 220 - moving load disc, 221 - clamping groove, 222 - side baffle;

[0047] 3 - grabbing material moving mechanism, 310 - up and down cylinder, 320 - left and right cylinder, 330 - electromagnetic iron suction component, 331 - groove magnetic suction end, 341 - slider one, 342 - slider two, 350 - connecting bracket, 351 - slide rail one, 352 - slide rail two;

[0048] 41 - detection table assembly, 411 - detection table, 412 - limit stop, 413 - detection site, 414 - discharge port, 415 - pushing rod, 416 - pushing cylinder;

[0049] 42 - discharge assembly, 420 - discharge channel, 421 - first material distribution channel, 422 - second material distribution channel, 430 - pushing cylinder, 440 - connecting column;

[0050] 5 - detection mechanism, 510 - size detection component one, 511 - size detection component two, 520 - rotating disc, 530 - rotating cylinder, 531 - pushing cylinder, 540 - guide column, 541 - guide sleeve, 542 - intermediate connecting piece. DETAILED DESCRIPTION

[0051] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0052] As Figure 1-14 shown, a part size detection device is provided. The part size detection device comprises a detection mechanism 5, a detection table mechanism, a grabbing material moving mechanism 3 for grabbing and moving the parts to the detection table mechanism, a rubbing mechanism 2, a straight vibration feeder 6 and a vibrating disc 1. Moreover, the above-mentioned detection mechanism 5, detection table mechanism, grabbing material moving mechanism 3, rubbing mechanism 2, straight vibration feeder 6 and vibrating disc 1 are all connected into a PLC system. Among them, the detection table mechanism comprises a detection table assembly 41 and a discharge assembly 42.

[0053] As Figure 1The figure shows the overall structure of the part size detection equipment. In order to improve the detection speed of the entire equipment, in this embodiment, a vibration plate 1 and a straight vibration feeder 6 are used to screen the parts before transferring them to the rubbing mechanism 2. In addition to the above schemes, we can also use other methods to place the parts on the rubbing mechanism 2, such as manually screening the parts and then directly placing them on the rubbing mechanism 2, or placing the parts on a conveying component (such as a straight vibration feeder or a conveyor belt) after manual screening, and the conveying component transfers the parts to the rubbing mechanism 2; or placing the parts directly under the grabbing and transferring mechanism 3 after manual screening, and the grabbing and transferring mechanism 3 directly grabs and transfers them to the inspection table assembly 41.

[0054] In this embodiment, when the part is located in the specified position on the rubbing mechanism 2, it will be grabbed by the grabbing and moving mechanism 3 and moved to the left to the inspection table assembly 41. Then, the above-mentioned inspection mechanism 5 will complete the inspection operation on the part. After the inspection is completed, the part will enter the unloading assembly 42 from the inspection table assembly 41.

[0055] Figure 2 The top view of the material rubbing mechanism 2 is shown. In this embodiment, the material rubbing mechanism 2 includes a movable loading plate 220 and a material rubbing cylinder 210 that drives the movable loading plate 220 to move back and forth toward the bottom of the grabbing and moving mechanism 3. Two material clamping grooves 221 are provided at the upper end of the movable loading plate 220. When a part is placed on the upper end of the movable loading plate 220, the material rubbing cylinder 210 drives the movable loading plate 220 to move back and forth in a small and rapid manner. During the above-mentioned reciprocating movement, the part located at the upper end of the movable loading plate 220 moves on the upper surface of the movable loading plate 220 and is clamped in the material clamping groove 221 during the movement. When the part is clamped in the material clamping groove 221, the material rubbing cylinder 210 drives the movable loading plate 220 to move toward the bottom of the grabbing and moving mechanism 3 until the material clamping groove 221 is located directly below the magnetic suction end 331 of the groove at the lower end of the electromagnet suction component 330, and then the movable loading plate 220 stops moving.

[0056] In this embodiment, Figure 2 As shown, two material holding grooves 221 are provided at the upper end of the movable loading tray 220, and a sensor (not shown in the figure) is added to the inner wall of each material holding groove 221. When the part enters the material holding groove 221, it will be sensed by the sensor. At the same time, the sensor sends a signal to the PLC system so that the PLC system controls the rubbing cylinder 210 to start driving the movable loading tray 220 to move toward the bottom of the grabbing and moving mechanism 3.

[0057] In this embodiment, a side baffle 222 is provided at the side end of the movable loading tray 220 to prevent parts from falling. The side baffle 222 protrudes from the upper surface of the movable loading tray 220 and is provided on the side of the movable loading tray 220, which can prevent parts from falling from the side during the movement of the upper end of the movable loading tray 220.

[0058] like Figure 2 As shown, in order to better guide the forward and backward movement of the mobile loading tray 220, two linear slide rails are also connected below the mobile loading tray 220. The lower end of the mobile loading tray 220 is provided with a slider that can be inserted into the above-mentioned linear slide rails, which can better limit the forward and backward movement path of the mobile loading tray 220.

[0059] like Figure 4 and 5 As shown, the grabbing and moving mechanism 3 in this embodiment includes an electromagnet suction component 330, an upper and lower cylinder 310 that drives the electromagnet suction component 330 to move up and down, and a left and right cylinder 320 that drives the upper and lower cylinders 310 to move back and forth toward the detection table 411. The lower end of the electromagnet suction component 330 is provided with a groove magnetic end 331. Figure 6 As shown, in this embodiment, there are two groove magnetic ends 331.

[0060] In this embodiment, a mutually parallel slide rail 1 351 and a slide rail 2 352 are further provided in the grabbing and transferring mechanism 3. Slide rail 1 351 and slide rail 2 352 are respectively connected to slider 1 341 and slider 2 342, and slider 1 341 and slider 2 342 are connected via a connecting bracket 350. Because slider 1 341 and slider 2 342 are connected via the connecting bracket 350, synchronization of the movement of slider 1 341 and slider 2 342 can be achieved. In this embodiment, the upper and lower cylinders 310 are connected to the connecting bracket 350. When slider 1 341 and slider 2 342 move along the slide rail 1 351 and slide rail 2 352, they drive the upper and lower cylinders 310 to move synchronously left and right. At the same time, the movable ends of the left and right cylinders 320 are connected to slider 1 341, pushing slider 1 341 to move. Through the above-mentioned connection structure, the left and right cylinders 320 can indirectly drive the upper and lower cylinders 310 to move back and forth horizontally.

[0061] In this embodiment, the electromagnet suction component 330 is connected to the movable end of the upper and lower cylinders 310. When the upper and lower cylinders 310 move left and right, the electromagnet suction component 330 can be driven to move synchronously. At the same time, the lower end of the electromagnet suction component 330 is provided with two groove-shaped groove magnetic ends 331, such as Figure 6As shown; when the groove magnetic end 331 is located directly above the material-holding groove 221, the upper and lower cylinders 310 drive the electromagnet suction component 330 to move downward; since the part in this embodiment is made of ferromagnetic metal, specifically AISI 420F stainless steel, when the groove magnetic end 331 moves downward and approaches the part, a magnetic attraction force is generated at the groove magnetic end 331, and the part will be sucked into the groove magnetic end 331, thereby realizing the grabbing function of the grabbing and material-moving mechanism 3. After the part is sucked into the groove magnetic end 331, the upper and lower cylinders 310 drive the electromagnet suction component 330 to move upward and reset. After the electromagnet suction component 330 moves upward and reset, the left and right cylinders 320 drive the upper and lower cylinders 310 to move toward the detection table assembly 41, thereby realizing the material-moving function of the grabbing and material-moving mechanism 3.

[0062] In this embodiment, a magnetic attraction force is generated inside the groove-shaped groove magnetic end 331, while there is no magnetic attraction force on the outer circle of the groove magnetic end 331. Therefore, when the groove magnetic end 331 is aligned with the clamping groove 221, the part will be sucked into the groove magnetic end 331. Since the shape of the groove magnetic end 331 is similar to the appearance of the part, the part will be confined in the groove magnetic end 331.

[0063] like Figure 7-10 , which is a schematic diagram of the relevant structure of the detection platform mechanism in this embodiment. In this embodiment, the detection platform mechanism includes a detection platform component 41 and a blanking component 42. The detection platform component 41 is located at the upper end of the blanking component 42.

[0064] The test bench assembly 41 includes a test bench 411, a push rod 415 and a push cylinder 416; Figure 9 As shown, two inspection stations 413 are provided at the upper end of the inspection platform 411, with a material discharge port 414 located on one side of each inspection station 413. A push rod 415 is located at the upper end of the inspection platform 411, on one side of the inspection stations 413, and is used to push parts from the inspection stations 413 into the material discharge port 414. A push cylinder 416 is connected to the push rod 415 and is used to propel the push rod 415 back and forth toward the material discharge port 414. In this embodiment, two parts can be placed on the inspection platform 411 simultaneously, with one part placed in each inspection station 413.

[0065] After the part is moved above the detection position 413 by the electromagnet suction component 330, the upper and lower cylinders 310 drive the electromagnet suction component 330 downward, the magnetic attraction of the groove magnetic end 331 disappears, and the part falls into the detection position 413. The upper and lower cylinders 310 drive the electromagnet suction component 330 upward to reset, and then the left and right cylinders 320 drive the upper and lower cylinders 310 back toward the material holding groove 221, and the grabbing and moving mechanism 3 grabs the next part again.

[0066] When the part is located in the inspection position 413, the first dimension inspection component 510 and the second dimension inspection component 511 are moved to the upper portion of the inspection position 413 to perform dimension inspection on the part located in the inspection position 413. After the inspection is completed, the push cylinder 416 drives the push rod 415 to move toward the discharge port 414. The push rod 415 pushes the part into the discharge port 414. After entering the discharge port 414, the part falls downward into the discharge assembly 42.

[0067] like Figure 9 As shown, in this embodiment, a limiting rib 412 is provided on both sides of each detection position, and the limiting rib 412 extends toward the discharge port 414. When the part is pushed toward the discharge port 414 by the push rod 415, the limiting rib 412 blocks the part on both sides, preventing the part from sliding out from both sides. Figure 9 As shown, an arc-shaped groove notch is provided on the side of the push rod 415 near the detection position 413. When the push rod 415 is pushed toward the discharge port 414, one side of the part located on the detection position 413 will fall into the groove notch, preventing the part from being excessively offset to the left and right during the process of being pushed from the detection position 413 into the discharge port 414, so as to more accurately and efficiently push the part from the detection position 413 into the discharge port 414.

[0068] In this embodiment, Figure 8 、 10 As shown, the blanking assembly 42 includes two blanking channels 420, and the two blanking channels 420 are respectively connected to a blanking port 414; the lower end of each blanking channel 420 is connected to a group of blanking channel components, such as Figure 7 、 8 As shown in Figure 10, the two groups of material channel components are distributed on the left and right. Figure 10 As shown, each group of material channel components includes a first material distribution channel 421, a second material distribution channel 422, and a push cylinder 430. In terms of connection, the material discharge channel 420 is connected to the upper part of the connecting column 440, and the push cylinder 430 can be connected to the connecting column 440 via a connecting piece. At the same time, the first material distribution channel 421 and the second material distribution channel 422 are simultaneously connected to the movable end of the push cylinder 430. Driven by the push cylinder 430, the first material distribution channel 421 and the second material distribution channel 422 move back and forth laterally at the same time. During the process of lateral back and forth movement, the first material distribution channel 421 and the second material distribution channel 422 are continuously separated and docked with the lower end of the material discharge channel 420.

[0069] During operation, within the same group of material channel components, we can align the lower end of the first material channel 421 with the unqualified parts sorting box, and align the lower end of the second material channel 422 with the qualified parts sorting box. Figure 10The first and second material distribution channels 421 and 422 extend to the two outer sides and downward, forming an outer eight-shaped structure. When the parts fall, they will roll along the inner wall of the first and second material distribution channels 421 and 422, which are inclined downward. At the same time, the first and second material distribution channels 421 and 422 form an outer eight-shaped structure, so that the lower ends of the first and second material distribution channels 421 and 422 are relatively dispersed, leaving relatively ample space for placing the regular part regular box and the unqualified part regular box below.

[0070] As shown in Figure 8 each discharge port 414 can be connected to a material distribution channel component through a discharge channel 420; when the upper end of the second material distribution channel 422 is connected to the lower end of the discharge channel 420, the parts can fall along the path of the discharge port 414, the discharge channel 420 and the second material distribution channel 422, and fall into the regular part regular box; on the contrary, when the upper end of the first material distribution channel 421 is connected to the lower end of the discharge channel 420, the parts can fall along the path of the discharge port 414, the discharge channel 420 and the first material distribution channel 421, and fall into the unqualified part regular box. By connecting the first or second material distribution channel 421 or 422 to the corresponding discharge channel 420, the parts can be distributed into the regular part regular box or the unqualified part regular box, thereby more efficiently realizing the regular operation of the qualified parts and unqualified parts after the size detection is completed.

[0071] As shown in Figure 11-14 , it is a structure diagram related to the detection mechanism 5 in this embodiment. In this embodiment, the detection mechanism 5 includes a rotating disc 520 above the detection table 411, and the rotating disc 520 is connected with a size detection component one 510 for detecting the overall length of the parts and a size detection component two 511 for detecting the inner ball height of the parts, as shown in Figure 12 , the detection end of the size detection component one 510 and the detection end of the size detection component two 511 are directed downward; since two parts can be placed on the detection table 411 at the same time, correspondingly, this embodiment includes two size detection component ones 510 and two size detection component twos 511; at the same time, the size detection component one 510 and the size detection component two 511 in this embodiment are both three feng 543-490B height gauges, the difference is that the detection ends of the size detection component one 510 and the size detection component two 511 are different.

[0072] As shown in Figure 13As shown, two size detection components 1 510 are adjacent, and two size detection components 2 511 are adjacent. In this embodiment, the rotating disk 520 is disc-shaped, and the size detection component 1 510 and the size detection component 2 511 are symmetrically distributed on both sides of the center line of the rotating disk 520.

[0073] The detection mechanism 5 also includes a rotating cylinder 530 and a pushing cylinder 531. Figure 11 As shown, the rotary cylinder 530 is connected to the lower end of the rotating disk 520 and can drive the rotating disk 520 to rotate in a circular motion. During the circular rotation of the rotating disk 520 driven by the rotary cylinder 530, since the size detection component 1 510 and the size detection component 2 511 are connected to the rotating disk 520, the size detection component 1 510 and the size detection component 2 511 can be moved successively to directly above the inspection platform 411 during the rotation of the rotating disk 520. The push cylinder 531 is located below the rotary cylinder 530 and is used to drive the rotary cylinder 530 and the rotating disk 520 to move up and down as a whole, thereby driving the size detection component 1 510 and the size detection component 2 511 to move up and down.

[0074] As a preferred solution, the movable end of the push cylinder 531 can be directly connected to the lower end of the rotary cylinder 530, so that the push cylinder 531 pushes the rotary cylinder 530 to move up and down, thereby driving the vertical movement of the first and second dimension detection components 510 and 511. However, in this embodiment, the rotary cylinder 530 and the push cylinder 531 are connected by an intermediate connector 542.

[0075] like Figure 14 As shown, the front end of the piston rod of the push cylinder 531 is connected to the lower end of the intermediate connecting member 542, and the lower end of the rotary cylinder 530 is connected to the upper end of the intermediate connecting member 542. At the same time, four guide post assemblies are also connected to the intermediate connecting member 542. The guide post assemblies in this embodiment are steel ball guide post assemblies. Each steel ball guide post assembly includes a guide post 540 and a guide sleeve 541. The guide sleeve 541 is connected to the intermediate connecting member 542 and can move up and down along the guide post 540. Figure 14 As shown, the four guide sleeves 541 are all connected to the intermediate connecting member 542, that is, the four guide sleeves 541 are connected to each other through the intermediate connecting member 542; when the push cylinder 531 drives the intermediate connecting member 542 to move up and down, the rotating cylinder 530 and the four guide sleeves 541 are all synchronously driven up and down. The guide post assembly guides the push cylinder 531 to drive the intermediate connecting member 542 and the rotating cylinder 530 to move up and down, and the rotating disk 520 is connected to the rotating cylinder 530. The size detection component 1 510 and the size detection component 2 511 are also connected to the rotating disk 520. Therefore, the guide post assembly ultimately indirectly guides the up and down movement of the size detection component 1 510 and the size detection component 2 511.

[0076] At the same time, four perforations are provided on the rotating disk 520 for the upper ends of the four guide posts 540 to be inserted simultaneously. When the size detection component 1 510 or the size detection component 2 511 is located directly above the detection position 413, the upper ends of the guide posts 540 will align with the perforations and gradually insert into the perforations during the process of the rotating disk 520 moving downward from the highest point. The upper end of each guide post 540 is inserted into a perforation, which can avoid the lateral displacement of the rotating disk 520 and also play a certain guiding role in the up and down movement of the rotating disk 520. When the rotating disk 520 is at the lowest point, as shown in FIG. Figure 11 As shown, the lower end of the size detection component 1 510 or the size detection component 2 511 will face the detection position 413 at the upper end of the detection platform 411, and the size of the parts located at the detection position 413 can be detected.

[0077] like Figure 11 As shown, it is a schematic diagram of the local structure when the rotating disk 520 moves down to the lowest point. At this time, the upper end of the guide post 540 passes through the through hole and protrudes from the upper end of the rotating disk 520; Figure 12 The figure shows a schematic diagram of the local structure when the rotating disk 520 moves down to the highest point. At this time, the upper end of the guide column 540 exits the perforation and is located below the rotating disk 520. At this time, the rotating cylinder 530 can drive the rotating disk 520 to rotate along the circumferential direction to convert the positions of the size detection component 1 510 and the size detection component 2 511.

[0078] In this embodiment, the intermediate connecting member 542 is connected to the four guide sleeves 541 at the same time, which increases the synchronization of the up and down movement of the four guide sleeves 541 and can better realize the guiding function of the guide column assembly. Figure 14 As shown, the movable end of the pushing cylinder 531 extends upward and is connected to the lower end of the middle connecting member 542 , and the movable end of the pushing cylinder 531 is located at the center position of the four guide sleeves 541 .

[0079] In this embodiment, the dimension detection component 1 510 and the dimension detection component 2 511 in the detection mechanism 5 respectively detect the total length and inner ball height of the part; and in the detection process, after the part is placed on the detection position 413, before the dimension detection component 1 510 or the dimension detection component 2 511 completes the dimension detection of the part, the part is located on the detection position 413 without displacement or shaking, and the two components that move are the dimension detection component 1 510 and the dimension detection component 2 511. This can better control the alignment between the dimension detection component 1 510 or the dimension detection component 2 511 and the part during detection, and reduce the alignment deviation between the dimension detection component 1 510 or the dimension detection component 2 511 and the part caused by the displacement of the part.

[0080] In this embodiment, the vibration disc 1, the straight vibration feeder 6, the rubbing cylinder 210, the up and down cylinder 310, the left and right cylinder 320, the electromagnet suction component 330, the pushing cylinder 416, the pushing cylinder 430, the pushing cylinder 531, the rotating cylinder 530, the size detection component 1 510, the size detection component 2 511 and the sensor in the jamming groove 221 are connected into the PLC system.

Claims

1. A part size detection device, characterized by: It includes a testing platform mechanism, a grabbing and moving mechanism for grabbing parts and moving them to the testing platform mechanism, and a testing mechanism; The testing platform mechanism includes a testing platform assembly and a blanking assembly, wherein the blanking assembly is located below the testing platform assembly; The inspection platform assembly includes an inspection platform, an inspection position is provided at the upper end of the inspection platform, a discharge port is provided on one side of the inspection position, and a push rod for pushing parts from the inspection position into the discharge port is provided on the other side of the inspection position, and a push cylinder is connected to the push rod; The material discharge assembly includes a material discharge channel, the upper end of which is in communication with the material discharge port, and the lower end of which is provided with a group of movable material distribution channel components and a push cylinder for driving the material distribution channel components to move back and forth; the material distribution channel components include a first material distribution channel and a second material distribution channel; driven by the push cylinder, the upper end opening of the first material distribution channel and the upper end opening of the second material distribution channel are continuously connected with and separated from the lower end opening of the material discharge channel during the movement; The detection mechanism includes a rotating disk located above the detection platform, a rotating cylinder connected to the lower end of the rotating disk and used to drive the rotating disk to rotate circumferentially, and a push cylinder that drives the rotating cylinder to move up and down; the rotating disk is connected to a size detection component 1 and a size detection component 2; the size detection component 1 and the size detection component 2 are respectively used to detect different sizes of parts; The detection platform mechanism, the grabbing and moving mechanism and the detection mechanism are all connected to the PLC system.

2. The part size detection device according to claim 1, characterized in that: It also includes a guide column assembly located below the rotating disk; the guide column assembly includes a guide sleeve and a guide column, and the rotating disk is also provided with a through hole for the upper end of the guide column to be inserted.

3. The part size detection device according to claim 2, characterized in that: It also includes an intermediate connecting piece; there are at least two guide column assemblies, and the guide sleeves are connected to each other through the intermediate connecting piece; the movable end of the push cylinder extends upward and is connected to the lower end of the intermediate connecting piece; the rotating cylinder is connected to the upper end of the intermediate connecting piece.

4. The part size detection device according to claim 3, characterized in that: A groove notch is further provided on the side of the push rod close to the detection position.

5. The part size detection device according to claim 4, characterized in that: Limit ribs are also provided on both sides of the detection position, and the limit ribs extend toward the discharge port.

6. The part size detection device according to claim 5, characterized in that: The movable end of the push cylinder is located at the center of each guide sleeve.

7. The part size detection device according to claim 1, characterized in that: The first material distribution channel and the second material distribution channel extend obliquely downward toward both sides respectively.

8. The part size detection device according to claim 1, characterized in that: The grabbing and material moving mechanism includes an electromagnet suction component, upper and lower cylinders that drive the electromagnet suction component to move up and down, and left and right cylinders that drive the upper and lower cylinders to move back and forth toward the detection table. The lower end of the electromagnet suction component is provided with a groove-shaped groove magnetic suction end.

9. A part size detection device according to any one of claims 1 to 8, characterized in that: It also includes a material rubbing mechanism connected to the PLC system, which includes a movable loading plate and a material rubbing cylinder that drives the movable loading plate to move back and forth toward the grabbing and moving mechanism; the upper end of the movable loading plate is provided with a material clamping groove, and a sensor is provided in the material clamping groove.

10. The part size detection device according to claim 9, characterized in that: The side ends of the movable loading tray are also provided with side baffles to prevent parts from falling.

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