CN111185401A - Automatic equipment for automatic detection of parts size based on laser line displacement sensor - Google Patents

Abstract

The invention discloses automatic equipment for automatic detection of part dimensions based on a laser line displacement sensor, comprising a bracket, on which a laser displacement sensor capable of detecting the outline dimensions of a part located below the bracket is provided, and on which a transfer mechanism, a good product storage device and a defective product storage device are provided, wherein the transfer mechanism is used to carry parts and move the parts under the laser displacement sensor for dimension detection or to move the parts away from under the laser displacement sensor, and between the transfer mechanism, the good product storage device and the defective product storage device there is provided a material dividing device for sending qualified parts sent by the transfer mechanism into the good product storage device or sending unqualified parts sent by the transfer mechanism into the defective product storage device, and the bracket is provided with a material feeding mechanism for automatically supplying parts to the transfer mechanism, and the automatic dimension detection of batch parts is realized by controlling the laser displacement sensor, the transfer mechanism, the material feeding mechanism and the material dividing device through a control system.

Description

Automatic equipment for automatic detection of parts size based on laser line displacement sensor

【Technical field】

The invention relates to an automatic device for automatic detection of parts size based on a laser line displacement sensor.

【Background technique】

In the inspection of mechanical parts, there is usually the detection of the inner conical hole and the outer conical taper, such as the conical inner hole of the bushing, or the outer taper of the inner ring of the tapered bearing. The detection of taper is generally measured manually one by one using conical gauges such as plug gauges or plug rings, which has low production efficiency and high labor costs. During manual batch testing, workers keep repeating the same operation, which is prone to physical and mental fatigue. Human error occurs, and the defective product is wrongly judged as a good product or a good product is wrongly judged as a defective product.

The present invention is made in view of this situation.

[Content of the invention]

The technical problem to be solved by the present invention is to provide an automatic device for automatic detection of parts size based on a laser line displacement sensor, which is used to automatically detect the size of parts, improve the efficiency of parts detection during mass production of parts, improve the accuracy of parts detection, and reduce Work intensity of staff, save manpower.

In order to solve the above-mentioned technical problems, an automatic device for automatic detection of parts size based on a laser line displacement sensor of the present invention is characterized in that: it includes a bracket and a control system, and the bracket is provided with a part that can detect the parts located under it from top to bottom. A laser displacement sensor with a contour size of 100 cm, the bracket is provided with a transfer mechanism under the laser displacement sensor, and the transfer mechanism is used to carry the part and move the part under the laser displacement sensor for size detection or transfer the part from the laser displacement sensor. The support is provided with a feeding mechanism for automatically supplying parts to the transfer mechanism, the support is provided with a good product storage device for collecting qualified parts detected by the laser displacement sensor, and a good product storage device for collecting A defective product storage device for unqualified parts, between the transfer mechanism, the good product storage device and the defective product storage device, there is a device for sending the inspection qualified parts sent by the transfer mechanism into the good product storage device or sending out the transfer mechanism. The parts are fed into the material distribution device of the defective product storage device, and the laser displacement sensor, the transfer mechanism, the feeding mechanism and the material distribution device are electrically connected with the control system.

The automatic device for automatic detection of parts size based on the laser line displacement sensor as described above is characterized in that: the transfer mechanism includes a detection channel passing through the laser displacement sensor from left to right, and the parts on the detection channel are gradually moved from the left to right. A transport device that transports from left to right.

The above-mentioned automatic equipment for automatic detection of parts size based on laser line displacement sensor is characterized in that: the feeding mechanism includes a sorting device for automatically sorting parts and sending out the sorted parts, the sorting device and the detection channel There is a feeding channel between the parts for moving the parts from the sorting device to the detection channel. The upper part of the feeding channel is provided with a camera for detecting whether the conical inner hole of the part or the outer cone of the part is placed upside down on the feeding channel. One side of the feeding channel is provided with a push-out device for pushing the reversed parts detected by the camera out of the feeding channel, and the other side of the feeding channel is provided with the push-out device opposite and used to catch the push-out device and push out. After the parts are turned up and down, the parts are turned up and down by 180°, and the support is provided with a return device for conveying the parts on the turning device to the detection channel.

The above-mentioned automatic device for automatic detection of parts size based on laser line displacement sensor is characterized in that: the left end of the detection channel is provided with a material storage area for temporarily storing parts, and the left end of the bracket located in the material storage area is provided with a material storage area. A pusher is used to push the parts in the storage area to the right for the handling device to carry, and the side of the storage area is provided with a side entrance that communicates with the supply channel and allows the parts in the supply channel to enter the storage area. .

The automatic device for automatic detection of parts size based on the laser line displacement sensor as described above is characterized in that: the turning device comprises a rotating cylinder and a turning frame, the turning frame comprises a vertical plate connected and fixed with the rotating cylinder, and the vertical plate The upper and lower flat plates are arranged horizontally, and the three vertical plates and the upper and lower flat plates form clamping grooves with openings on three sides from three sides and the openings can respectively allow the parts to enter and exit. The table is provided with a rotating slot for the turning frame to rotate inward. When the turning frame rotates, the groove wall of the rotating slot blocks the outside of the downward opening of the turning frame and prevents the parts from being removed from the turning frame under the action of centrifugal force and gravity. The opening fell out.

The above-mentioned automatic equipment for automatic detection of parts size based on the laser line displacement sensor is characterized in that: the opening opposite to the vertical plate on the flip frame is provided corresponding to the push-out device, and the push-out device is used to push the part from the opening into the clamping slot. , when the clamping groove is in the flat position, the clamping groove is communicated with the storage area through the opening on one side of the overturn frame, and a return material for the parts in the clamping groove to enter the storage area is formed between the two. The material returning device includes a material returning cylinder which can extend from the opening on the other side of the turning frame to push the parts in the clamping groove into the material storage area, and when the clamping groove is in the flat position, the rotating The groove wall on the side of the groove close to the material storage area is equal to or lower than the lower bottom surface of the clamping groove, and the groove wall on the side away from the material storage area of the rotating groove is higher than the lower bottom surface of the clamping groove.

The above-mentioned automatic equipment for automatic detection of parts size based on a laser line displacement sensor is characterized in that: the sorting device comprises a rotatable rotating disk, the outer side of the rotating disk is surrounded by a fixed rotating disk frame, and the rotating disk and the rotating disk are The frame is surrounded by a circular cavity with a fixed side and a rotatable bottom. The feeding channel is communicated with the cavity. The feeding channel includes a feeding section and an inversion section. The feeding section and the inversion section respectively include a left The baffle plate, the right baffle plate and the bottom plate, the right baffle plate of the feeding section is tangentially connected to the turntable frame, one end of the left baffle plate extends into the cavity, and a passage for the parts to pass through is formed between the turntable frame and the rotating disc. The notch, the turning section leads to the detection channel, when the rotating disk rotates, the parts adhering to the rotating disk frame rotate with the rotating disk and turn into the feeding channel from the notch. The rotating disk is a cone with a high center and a low outer side. The cavity is provided with a baffle plate that can guide the parts in the middle of the cavity to the turntable frame when the rotating disk rotates. The parts are pushed one by one and move in the feeding channel, the turning device is located on the outside of the left baffle of the turning section, the pushing device is located on the outside of the right baffle of the turning section, and the left baffle of the turning section is provided with Corresponding to the flipping device and supplying the parts from the feeding channel into the ejecting opening in the flipping device, the top of the bottom plate of the flipping section has an inclined surface, which slopes downward from the left baffle side to the right baffle side, the The top of the left baffle and the right baffle of the feeding section is provided with an adjustment plate connecting the two. The left baffle is detachably connected with the adjustment plate and can move left and right relative to the right baffle. The adjustment plate is provided with A strip hole, the adjusting plate is connected and fixed with a screw through the strip hole and the left baffle.

The above-mentioned automatic device for automatic detection of parts size based on the laser line displacement sensor is characterized in that: the detection channel includes a bottom plate for supporting the part and sliding the part on it, and above the bottom plate is provided with a bottom plate for reading from one side A side baffle for blocking the parts on the bottom plate, the conveying device includes a conveying plate arranged opposite to the side baffle, a clamping cylinder for driving the relative side baffle of the conveying plate to approach or away from the side baffle, and a moving cylinder for driving the left and right movement of the conveying plate , the conveying plate is evenly provided with a plurality of card slots with notches facing the side baffle along the left and right directions, and the distance between two adjacent card slots is the distance that the moving cylinder drives the conveying plate to move left or right by one stroke. When moving parts from left to right, the conveying plate leans against the side baffle to clamp the parts between the side baffle and the card slot, the conveying plate moves to the right, and the parts are stuck to the side baffle through the card slot. Move one stroke to the right.

The above-mentioned automatic equipment for automatic detection of parts size based on laser line displacement sensor is characterized in that: the material distribution device comprises a material distribution rack located at the right end of the detection channel, and a material distribution rotary cylinder that drives the material distribution rack to turn upside down, so The material distribution rack is provided with a material distribution chute that can be used for the transport board to clamp the parts in and out. The left and right ends of the material distribution chute are open and can respectively allow the parts to enter and exit. The support is provided with an entrance located directly below the material distribution rack. The defective product receiving runner, the support is provided with a good product receiving runner whose inlet is located at the lower right side of the distributing rack, and the good product receiving runner and the defective product receiving runner lead to the good product receiving device and the defective product respectively. Defective product storage device.

The above-mentioned automatic device for automatic detection of parts size based on the laser line displacement sensor is characterized in that: a mounting plate that can move up and down is slidably connected to the bracket, and a motor for driving the movement of the mounting plate is arranged on the bracket, so The motor is driven by screw connection with the mounting plate through a screw rod, and the laser displacement sensor is mounted on the bottom of the mounting plate through a cross slide.

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

1. The present invention controls the work of the laser displacement sensor, the transfer mechanism, the feeding mechanism and the material distribution device through the control system, provides the parts through the feeding mechanism, and then sends the parts under the laser displacement sensor through the transfer mechanism. Carry out size inspection. After the inspection is completed, the transfer mechanism removes the parts from the lower part of the laser displacement sensor and sends them to the distributing device. The unqualified parts are sent to the defective product storage device to realize the automatic size detection of batch parts, with high detection efficiency and high accuracy, requiring less staff and low labor intensity.

2. The present invention combines a camera, a push-out device, a flipping device and a returning device. During automatic feeding, it automatically detects whether the parts are reversed and automatically turns the reversed parts upside down, and then sends them into the inspection, so that the parts need to be inspected. The part of the structure of the size is exposed upward for the laser displacement sensor to detect, to prevent errors in the feeding stage, resulting in the failure of the laser displacement sensor to detect the reversed parts and cause the qualified parts to be scrapped, especially suitable for detection with cones. The taper and the related dimensions of the conical structure of the bushing parts with a shaped inner hole or the parts with an external cone. When testing, the parts to be tested are put into the sorting device in batches, and after being sorted by the sorting device, they are arranged in the feeding channel in order, and flow to the testing channel. When the part moves to the camera in the feeding channel, the camera takes a picture to detect the front and back of the part. When the part is placed in the positive direction, the part of the structure that needs to detect the size of the part is exposed upward for detection by the laser displacement sensor, and vice versa. When it is detected that the tapered hole of the part is reversed, that is, the small end of the tapered hole is at the top and the big end is at the bottom; or when the reversed placement of the outer cone of the part is detected, that is, the big end of the outer cone is at the top and the small end is at the bottom; The push-out device pushes the part out of the feeding channel into the turning device, and the turning device turns the part on it up and down by 180°, so that the part is turned from the reverse state to the positive state, so that the laser displacement sensor can convert the tapered structure The contour of the machine is processed, and its taper and related taper dimensions are analyzed; then the reversed parts are sent into the detection channel through the return device, and the handling device moves to the right and passes under the laser displacement sensor for detection. Automatic detection and correction The conical parts are reversely placed, which realizes the automatic and accurate feeding of the conical parts.

3. In the present invention, the parts are turned over by rotating the cylinder and the turning frame, wherein the turning frame is composed of three plates: a vertical plate and an upper and lower flat plate, and a clamping groove is formed with three sides opening. The supply and return cylinder extends from one end and pushes the parts in the clamping slot from the other end into the storage area, where the overturn frame is placed in the rotating slot on the anti-overturning table and rotates. When the clamping slot is in the flat position , the groove wall of the side close to the storage area of the rotating groove is equal to or lower than the lower bottom surface of the clamping groove, and the groove wall of the rotating groove on the side away from the material storage area is higher than the lower bottom surface of the clamping groove, so that before the flip frame is turned over , the groove wall on the higher side of the rotating groove blocks the part from the side, and the flip frame is turned over to this side to prevent the part from being thrown out of the clamping groove when it starts to flip. The outer side of the opening of the frame facing down prevents the parts from falling out of the opening of the turning frame under the action of centrifugal force and gravity. The structure is simple and the control is convenient.

4. In the present invention, a material distribution rack is arranged at the end of the right end of the detection channel, and the material distribution rack is provided with a material distribution trough with openings at the left and right ends and can respectively supply the parts in and out, and the inlet of the defective material receiving channel is arranged at Directly below the material distribution rack, set the entrance of the good product receiving channel at the lower right side of the material distribution rack. When the unqualified parts are sent to the material distribution tank through the conveying plate, the material distribution rack is turned to the left, and the parts start at the beginning. When the right end of the detected channel is blocked in the distribution trough, when the downward notch of the distribution trough turns downwards out of the detection channel and turns to the entrance of the corresponding defective product receiving channel, the downward notch of the distribution trough turns downward. If there is no obstruction at the place, the parts fall from the distributing chute into the defective material receiving runner, and flow into the defective product storage device; when the parts that pass the inspection are sent into the distributing chute through the conveying plate, and after the conveying plate returns, the distributing rack Turn it to the right, and after the distributing trough is inclined to the right, the parts will drop from the slanted downward notch into the good product receiving flow channel, and flow into the good product storage device, with a simple structure and convenient control.

【Description of drawings】

The specific embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings, wherein:

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the partial enlarged view of A place in Fig. 1;

Fig. 3 is the structural representation of another angle of view of the present invention;

Fig. 4 is a partial enlarged view at B in Fig. 3;

5 is a schematic diagram of the combined structure of a pushing device, a turning device and a returning device;

Fig. 6 is the structural representation of the feeding mechanism;

Fig. 7 is a schematic view of the structure of the feeding channel at the inversion section.

【Detailed ways】

The present invention will be further described below in conjunction with the accompanying drawings:

As shown in FIG. 1 to FIG. 7 , an automatic device for automatic detection of parts size based on a laser line displacement sensor includes a bracket 1 and a control system. The bracket 1 is provided with a part 10 that can detect the parts located below it from top to bottom. The laser displacement sensor 2 with the outline size of the bracket 1 is provided with a transfer mechanism 3 under the laser displacement sensor 2. The transfer mechanism 3 is used to carry the part 10 and move the part 10 under the laser displacement sensor 2 for dimensioning. Detect or remove the part 10 from the bottom of the laser displacement sensor 2, the support 1 is provided with a feeding mechanism 4 for automatically supplying parts to the transfer mechanism 3, and the support 1 is provided with a laser displacement sensor for collecting 2. The good product storage device 5 for the qualified parts after testing, and the defective product storage device 6 for collecting the unqualified parts. The transfer mechanism 3, the good product storage device 5 and the defective product storage device 6 The inspection-qualified parts sent out by the mechanism 3 are sent to the good product storage device 5, or the inspection-unqualified parts sent by the transfer mechanism 3 are sent to the distribution device 7 of the defective product storage device 6. The laser displacement sensor 2, the transfer mechanism 3, the feeding device The mechanism 4 and the material distribution device 7 are electrically connected to the control system, the parts are provided through the feeding mechanism 4, and then the parts are sent under the laser displacement sensor 2 through the transfer mechanism 3, and the size of the parts is detected by the laser displacement sensor 2, and the detection is completed. Afterwards, the transfer mechanism 3 removes the parts from the underside of the laser displacement sensor 2, and sends them into the distributing device 7. The distributing device 7 sends the parts that have passed the inspection into the good product storage device 5 according to the detection result, and the inspection Unqualified parts are sent to the defective product storage device 6 to realize automatic size detection of batch parts, with high detection efficiency and high accuracy, requiring less staff and low labor intensity.

The transfer mechanism 3 includes a detection channel 31 passing through the laser displacement sensor 2 from left to right, and a transport device 32 for gradually transporting the parts 10 on the detection channel 31 from left to right, with a simple structure.

The feeding mechanism 4 includes a sorting device 41 for automatically sorting parts and sending out the sorted parts. Between the sorting device 41 and the detection channel 31, there is a mechanism for moving the parts from the sorting device 41 to the detection channel 31. The feeding channel 42, above the feeding channel 42, there is a camera 43 for detecting whether the conical inner hole of the part or the outer cone of the part is placed upside down on the feeding channel 42, and one side of the feeding channel 42 is provided with a camera 43. The ejection device 44 for pushing the reversed part 10 detected by the camera 43 out of the feeding channel 42, the other side of the feeding channel 42 is provided with the part 10 opposite to the ejecting device 44 and used for catching the part 10 pushed out by the ejecting device 44 Afterwards, the part 10 is turned upside down by 180° with an inversion device 45 , and the support 1 is provided with a return device 46 for conveying the part 10 on the inversion device 45 to the detection channel 31 .

Therefore, the automatic device for automatic detection of parts size can be used to detect the taper of a bushing type part with a tapered inner hole and the relative size of the conical structure, such as the part 10 shown in Fig. 1 and Fig. 3; or used to detect The taper of a part with an external cone and the relative dimensions of the tapered structure. During detection, the parts to be tested are put into the sorting device 41 in batches, and are sorted by the sorting device 41 and then arranged in the feeding channel 42 in order, and flow into the detection channel 31 . When the part moves to the camera 43 in the feeding channel 42, the camera 43 takes a picture to detect the front and back of the part, and when the part is placed, the part of the structure that needs to detect the size of the part is exposed upward for detection by the laser displacement sensor 2, and vice versa reverse play. When it is detected that the tapered hole of the part is reversed, that is, the small end of the tapered hole is at the top and the big end is at the bottom; or when the reversed placement of the outer cone of the part is detected, that is, the big end of the outer cone is at the top and the small end is at the bottom; The push-out device 44 pushes the part out of the feeding channel 42 to the inversion device 45, and the inversion device 45 turns the part located on it up and down by 180°, so that the part is turned from the reverse state to the positive state, so that the laser displacement sensor 2 The contour of the conical structure can be processed, and its taper and related conical dimensions can be analyzed; then the reversed parts are sent into the detection channel 31 through the return device 46 for the conveying device 32 to move to the right through the laser displacement sensor 2 The detection is carried out below. By automatically detecting and correcting the reversed conical parts, the automatic and accurate feeding of the conical parts is realized, and the feeding error is prevented, causing the laser displacement sensor 2 to fail the detection of the reversed parts and causing the qualified parts to encounter Scrap processing.

For the specific detection principle, the contour of the part can be processed by the laser displacement sensor 2 to obtain the contour size of the part, and the control system calculates the corresponding size parameters according to the contour size. 2 Obtain the contour dimensions of the cone such as the small end dimension d, the large end dimension D and the length L, and obtain the taper according to the calculation formula (D-d)÷L.

The left end of the detection channel 31 is provided with a material storage area 311 for temporarily storing the parts 10 , and the left end of the bracket 1 located in the material storage area 311 is provided with a right end for pushing the parts 10 in the material storage area 311 to the right for transportation. For the pushing device 33 carried by the device 32, the side of the storage area 311 is provided with a side inlet 312 which communicates with the supply channel 42 and supplies the parts 10 in the supply channel 42 into the storage area 311, and has a simple structure.

The pushing device 44 and the pushing device 33 respectively comprise a pushing cylinder 441 and a pushing plate 442 connected to the piston rod of the pushing cylinder 441 , with simple structure and convenient control.

The turning device 45 includes a rotating cylinder 451 and a turning frame. The turning frame includes a vertical plate 452 connected and fixed with the rotating cylinder 451. The vertical plate 452 is provided with upper and lower flat plates 453 horizontally. 453 The three plates form clamping slots 454 with openings on the other three sides from three sides, and the openings can respectively allow the parts 10 to enter and exit. The outer side of the overturning frame is provided with an anti-overturning table 455, and the anti-overturning table 455 is provided with a flipping rack inside. The rotating groove 456 is rotated. When the turning frame rotates, the groove wall of the rotating groove 456 blocks the outer side of the downward opening of the turning frame and prevents the parts 10 from falling out of the opening of the turning frame under the action of centrifugal force and gravity. The structure is simple. , easy to control, and can be used for the flipping of small-height, flat-laying bushings or conical parts.

The opening on the flip frame opposite to the vertical plate 452 is provided corresponding to the push-out device 44, and the push-out device 44 pushes the part 10 from the opening into the clamping slot 454. When the clamping slot 454 is in the flat position, the The clamping groove 454 communicates with the material storage area 311 through the opening on one side of the overturning frame, and a return channel 450 is formed between the two for the parts in the clamping groove 454 to enter the material storage area 311. The material returning device 46 includes an energy The return cylinder 461 extends from the opening on the other side of the overturning frame to push the parts 10 in the clamping slot 454 to the storage area 311. When the clamping slot 454 is in the flat position, the rotating slot 456 is close to the storage area 311. The groove wall on the side of the material area 311 is equal to or lower than the lower bottom surface of the clamping groove 454, and the groove wall on the side of the rotating groove 456 away from the material storage area 311 is higher than the lower bottom surface of the clamping groove 454. The groove wall on the higher side of the groove 456 blocks the part 10 from the side, and the flip frame is turned over to this side to prevent the part 10 from being thrown out of the clamping groove 454 when it starts to flip. Block the outer side of the downward opening of the turning frame to prevent the parts 10 from falling out of the opening of the turning frame under the action of centrifugal force and gravity. The channel 450 is fed into the storage area 311 .

The sorting device 41 includes a rotatable rotating disk 411, the rotating disk 411 is driven to rotate by a motor, and a fixed rotating disk frame 412 is surrounded on the outer side of the rotating disk 411. The rotating disk 411 and the rotating disk frame 412 form a A circular cavity 410 with a fixed side and a rotatable bottom, the feeding channel 42 communicates with the cavity 410, the feeding channel 42 includes a feeding section 4201 and an inversion section 4202, the feeding section and the inversion section are respectively Including a left baffle 422, a right baffle 423 and a bottom plate 424, the right baffle 423 of the feeding section is tangentially connected to the turntable frame 412, and one end of the left baffle 422 extends into the cavity 410 and is connected with the turntable frame 412 and A gap 413 is formed between the rotary disks 411 for the parts to pass through, and the inversion section leads to the detection channel 31 . When the rotary disk 411 rotates, the parts attached to the rotary disk frame 412 rotate with the rotary disk 411 and turn in from the gap 413 In the feeding channel 42, the rotating disk 411 is a conical disk with a high middle part and a low outer side, and the cavity 410 is provided with a part 10 in the middle of the cavity 410 when the rotating disk 411 rotates to guide the rotating disk rack 412. Deflector 414 . The sorting device 41 is convenient for sorting the bushing or cone parts. As shown in FIG. 1 , when sorting, the parts 10 are poured into the cavity 410 in batches, and the rotating disc 411 rotates clockwise to rotate with the parts 10, and The parts corresponding to the notch 413 flow into the feed channel 42 through the notch 413, and the parts are fed into the feed channel 42 through the continuous rotation of the rotating disc 411, and the parts are pushed one by one in the feed channel 42 to move, The parts 10 that are partially in the middle of the cavity 410 are located on the inner side corresponding to the notch 413. When the rotating disc 411 rotates, these parts are guided by the deflector 414, so that these parts slide down to the periphery along the inclined surface of the rotating disc 411, so as to escape from the notch 411. 413 is turned out, and the structure is simple. The sorting device 41 may also adopt a vibrating disk structure.

The inversion device 45 is located outside the left baffle 422 of the inversion section, and the push-out device 44 is located in the outer side of the right baffle 423 of the inversion section. And supply the parts 10 from the feeding channel 42 into the push-out opening 420 in the inversion device 45. The top of the bottom plate 424 of the inversion section has an inclined surface 421. Since the parts are pushed one by one in the supplying channel 42, the inclined surface 421 moves from left to right. The side of the baffle 422 is inclined downward to the side of the right baffle 423, so that the parts located at the inclined surface 421 in the supply channel 42 are inclined downwards to the side opposite to the ejection port 420 under their own weight, preventing the parts 10 from When moving in the feeding channel 42 , the parts located at the ejection opening 420 are squeezed by the front and rear parts and automatically slide out from the ejection opening 420 . When the inclined surface 421 continues to the storage area 311, the inclined surface 421 is higher than the bottom surface of the storage area 311 for the parts on the inclined surface 421 to slide into the storage area 311; and the inclined surface 421 is lower than the bottom surface of the feeding section top surface, so that the part goes from the infeed section to the inversion section.

Between the tops of the left baffle 422 and the right baffle 423 of the feeding section, there is an adjustment plate 425 connecting the two, the adjustment plate 425 is provided with a strip hole 426, and the adjustment plate 425 passes through the screw The strip hole 426 and the left baffle 422 are detachably connected, and the left baffle 422 can move left and right relative to the right baffle 423 to adjust the distance between the left baffle 422 and the right baffle 423 of the feeding section, so as to adjust the distance between the left baffle 422 and the right baffle 423 in the feeding section. The size of the parts adjusts the width of the feeding channel 42 in the feeding section to accommodate the feeding of parts of different sizes.

The detection channel 31 includes a bottom plate 310 for supporting parts and sliding the parts thereon. A side baffle 313 is provided above the bottom plate 310 for blocking the parts on the bottom plate 310 from one side. The conveying device 32 includes The conveying plate 321 provided opposite the side baffle 313, the clamping cylinder 322 for driving the conveying plate 321 to approach or move away from the opposite side baffle 313, and the moving cylinder 323 for driving the conveying plate 321 to move left and right, the conveying plate 321 is connected and fixed On the clamping cylinder 322 , the clamping cylinder 322 is slidably connected to the base plate 310 or the bracket 1 , and the moving cylinder 323 is connected to the clamping cylinder 322 .

The conveying plate 321 is evenly provided with a plurality of card slots 324 with notches facing the side baffle 313 along the left and right directions. The distance of the stroke, when transporting the parts from left to right, the transport plate 321 presses against the side baffle 313 to clamp the part 10 between the side baffle 313 and the slot 324, and then the transport plate 321 moves to the right, through the The clamping slot 324 clamps the part 10 to move the part 10 to the right against the side baffle 313 for a stroke, then the conveying plate 321 moves away from the side baffle 313 to release the part 10 and returns to the left, and the reciprocating motion of the conveying plate 321 is repeatedly controlled to move the The parts are gradually transported from left to right. After a certain stroke is transported, the transported parts are located below the laser displacement sensor 2. The structure is simple, the control is convenient, and the transportation of shaft sleeves or cone parts is convenient.

The slot 324 is provided with a spring top 325 for pressing the part 10, so as to elastically clamp the part between the side baffle 313 and the slot 324, which is suitable for clamping and testing parts of different sizes.

The material distribution device 7 includes a material distribution rack 72 located at the right end of the detection channel 31, and a material distribution rotary cylinder 71 that drives the material distribution rack 72 to turn upside down. The material distribution rack 72 is provided with a carrier plate 321 for clamping parts. 10 in and out of the distribution tank 721, the left and right ends of the distribution tank 721 are open and can respectively supply the parts 10 in and out. , the support 1 is provided with a good product receiving flow channel 74 whose inlet is located at the lower right side of the distribution rack 72, and the good product receiving flow channel 74 and the defective product receiving flow channel 73 respectively lead to the good product receiving device 5 and the second product receiving flow channel 74. Product storage device 6. When the unqualified parts are sent into the distributing chute 721 through the conveying plate 321, after the conveying plate 321 returns, the distributing rack 72 is turned to the left, and the parts are blocked in the distributing chute 721 by the right end of the inspection channel 31 at the beginning, When the downward-facing notch of the distributing chute 721 turns downwards out of the detection channel 31 and turns to the inlet of the corresponding defective product receiving channel 73, the downward-facing notch of the distributing chute 721 is no longer blocked, and the parts are separated from the material. The groove 721 falls into the defective product receiving channel 73, and flows into the defective product storage device 6; when the qualified parts are sent into the distributing groove 721 through the conveying plate 321, and after the conveying plate 321 returns, the distributing rack 72 moves to the right After the side is turned over and the material distribution trough 721 is inclined to the right, the parts drop from the slanted downward notch into the good product receiving flow channel 74 and flow into the good product storage device 5, with a simple structure and convenient control.

The good product storage device 5 and the defective product storage device 6 respectively include a storage box 51 , and the storage box 51 is provided with a storage cylinder on one side of the entrance for pushing the parts stacked at the entrance of the storage box 51 to the inside of the storage box 51 . 52 and storage plate 53.

The bracket 1 is slidably connected with a mounting plate 11 that can move up and down. The bracket 1 is provided with a motor 12 for driving the mounting plate 11 to move. The laser displacement sensor 2 is installed on the bottom of the mounting plate 11 through the cross slide 13, so as to adjust the height and horizontal position of the laser displacement sensor 2 according to the detected parts, and perform accurate measurement.

Claims (10)

1. Automatic part size detection equipment based on laser line displacement sensor, its characterized in that: comprises a bracket (1) and a control system, wherein the bracket (1) is provided with a laser displacement sensor (2) which can detect the contour dimension of a part (10) below the bracket from top to bottom, a transfer mechanism (3) is arranged below the laser displacement sensor (2) on the bracket (1), the transfer mechanism (3) is used for bearing the part (10) and transferring the part (10) into the lower part of the laser displacement sensor (2) for dimension detection or transferring the part (10) from the lower part of the laser displacement sensor (2), the bracket (1) is provided with a feeding mechanism (4) which is used for automatically supplying the part to the transfer mechanism (3), the bracket (1) is provided with a good product containing device (5) which is used for collecting the qualified part detected by the laser displacement sensor (2) and a defective product containing device (6) which is used for collecting the unqualified part, the laser displacement sensor is characterized in that a distributing device (7) used for sending qualified detection parts sent out by the transfer mechanism (3) into the good product storage device (5) or sending unqualified detection parts sent out by the transfer mechanism (3) into the defective product storage device (6) is arranged between the transfer mechanism (3), the good product storage device (5) and the defective product storage device (6), and the laser displacement sensor (2), the transfer mechanism (3), the feeding mechanism (4) and the distributing device (7) are electrically connected with a control system.

2. The automatic detection equipment for the part dimension based on the laser line displacement sensor, according to claim 1, is characterized in that: the transfer mechanism (3) comprises a detection channel (31) passing from left to right below the laser displacement sensor (2), and a conveying device (32) for gradually conveying the parts (10) on the detection channel (31) from left to right.

3. The automatic detection equipment for the part dimension based on the laser line displacement sensor, as claimed in claim 2, is characterized in that: the feeding mechanism (4) comprises a sorting device (41) used for automatically sorting parts and sending out the sorted parts, a feeding channel (42) used for moving the parts from the sorting device (41) to the detection channel (31) is arranged between the sorting device (41) and the detection channel (31), a camera (43) used for detecting whether a conical inner hole or an outer cone of the part is reversely placed on the feeding channel (42) is arranged above the feeding channel (42), a pushing-out device (44) used for pushing the reversely placed part (10) detected by the camera (43) out of the feeding channel (42) is arranged on one side of the feeding channel (42), a turnover device (45) opposite to the pushing-out device (44) and used for receiving the part (10) pushed out by the pushing-out device (44) and turning the part (10) up and down by 180 degrees is arranged on the other side of the feeding channel (42), and the support (1) is provided with a material returning device (46) for conveying the parts (10) on the turnover device (45) to the detection channel (31).

4. The automatic detection equipment for the part dimension based on the laser line displacement sensor, according to claim 3, is characterized in that: the left end of detection passageway (31) is equipped with material stock district (311) that is used for keeping in part (10), the left end that lies in material stock district (311) on support (1) is equipped with blevile of push (33) that are arranged in pushing out part (10) in material stock district (311) with the confession handling device (32) transport right, the side of material stock district (311) is equipped with and communicates with each other with feed channel (42) and supplies part (10) in feed channel (42) to get into side entry (312) in material stock district (311).

5. The automatic detection equipment for the part dimension based on the laser line displacement sensor, according to claim 4, is characterized in that: turning device (45) are including revolving cylinder (451) and roll-over stand, the roll-over stand includes and is connected fixed vertical plate (452) with revolving cylinder (451), horizontal dull and stereotyped (453) about being provided with on vertical plate (452), vertical plate (452) and three board of upper and lower dull and stereotyped (453) form in addition trilateral opening and double-layered groove (454) that can supply part (10) business turn over respectively from trilateral, the outside of roll-over stand is equipped with prevents turn-over platform (455), be equipped with on preventing turn-over platform (455) and supply the roll-over stand in the swivelling chute (456) of internal rotation, when the roll-over stand is rotatory, the cell wall of swivelling chute (456) keeps off in the opening outside that the roll-over stand faced down and prevents that part (10) from falling out from the opening of roll-over.

6. The automatic detection equipment for the part dimension based on the laser line displacement sensor, according to claim 5, is characterized in that: the opening of the roll-over stand opposite to the longitudinal plate (452) is arranged corresponding to the push-out device (44), and the pushing-out device (44) pushes the part (10) into the clamping groove (454) from the opening, when the clamping groove (454) is in a flat position, the clamping groove (454) is communicated with the material storage area (311) through an opening at one side of the turnover frame, a material returning channel (450) for allowing parts in the clamping groove (454) to enter the material storage area (311) is formed between the clamping groove (454) and the material storage area (311), the material returning device (46) comprises a material returning cylinder (461) which can extend into the clamping groove (454) from the opening at the other side of the turnover frame and push the part (10) in the material storing area (311), when the clamping groove (454) is in a flat position, the wall of the rotating groove (456) on one side close to the material storage area (311) is equal to or lower than the lower bottom surface of the clamping groove (454), the groove wall of one side of the rotating groove (456) far away from the material storage area (311) is higher than the lower bottom surface of the clamping groove (454).

7. The automatic detection equipment for the part size based on the laser line displacement sensor according to any one of claims 3 to 6, characterized in that: the sequencing device (41) comprises a rotatable rotating disc (411), a fixed rotating disc frame (412) is enclosed outside the rotating disc (411), a circular cavity (410) with a fixed side surface and a rotatable bottom is enclosed by the rotating disc (411) and the rotating disc frame (412), the feeding channel (42) is communicated with the cavity (410), the feeding channel (42) comprises a feeding section (4201) and an overturning section (4202), the feeding section and the overturning section respectively comprise a left baffle plate (422), a right baffle plate (423) and a bottom plate (424), the right baffle plate (423) of the feeding section is tangentially connected with the rotating disc frame (412), one end of the left baffle plate (422) extends into the cavity (410) and a notch (413) for parts to pass through is formed between the left baffle plate (422) and the rotating disc frame (412), the overturning section leads to the detection channel (31), and when the rotating disc (411) rotates, the part adhered to the rotating disc rack (412) rotates along with the rotating disc (411) and is transferred into the feeding channel (42) from the notch (413), the rotating disc (411) is a conical disc with a high middle part and a low outer side, a guide plate (414) capable of guiding the part (10) in the middle of the accommodating cavity (410) to the rotating disc rack (412) is arranged in the accommodating cavity (410), the part is continuously fed into the feeding channel (42) through continuous rotation of the rotating disc (411) to enable the part to move in the feeding channel (42) in a pushing mode, the overturning device (45) is located on the outer side of a left baffle plate (422) of the overturning section, the pushing device (44) is located on the outer side of a right baffle plate (423) of the overturning section, a pushing outlet (420) corresponding to the overturning device (45) and allowing the part (10) to enter the overturning device (45) from the feeding channel (42) is arranged on the left baffle plate (422) of the overturning section, bottom plate (424) top of upset section has inclined plane (421), and this inclined plane (421) are followed left baffle (422) one side downward sloping right baffle (423) one side, be equipped with between the top of left baffle (422) of feeding section and right baffle (423) and connect regulating plate (425) of the two, this left baffle (422) can be dismantled with regulating plate (425) and be connected and can control about right baffle (423) relatively, be equipped with bar hole (426) on regulating plate (425), this regulating plate (425) pass bar hole (426) and left baffle (422) through the screw and connect fixedly.

8. The automatic detection equipment for the part size based on the laser line displacement sensor according to any one of claims 2 to 6, characterized in that: the detection channel (31) comprises a bottom plate (310) used for supporting parts and allowing the parts to slide on the bottom plate, a side baffle (313) used for blocking the parts on the bottom plate (310) from one side is arranged above the bottom plate (310), the carrying device (32) comprises a carrying plate (321) arranged opposite to the side baffle (313), a clamping cylinder (322) used for driving the opposite side baffle (313) of the carrying plate (321) to approach or separate from the clamping cylinder and a moving cylinder (323) used for driving the carrying plate (321) to move left and right, a plurality of clamping grooves (324) with notches facing the side baffle (313) are uniformly arranged on the carrying plate (321) along the left and right direction, the distance between every two adjacent clamping grooves (324) is the distance that the moving cylinder (323) drives the carrying plate (321) to move left or right for one stroke, when the parts are carried to the right, the parts are clamped between the side baffle (313) and the clamping grooves (324) by the carrying plate (321) close to the side baffle (313), the carrying plate (321) moves rightwards, and the part (10) is clamped by the clamping groove (324) to enable the part (10) to move rightwards by a stroke along with the side baffle (313).

9. The automatic detection equipment for the part dimension based on the laser line displacement sensor, according to claim 8, is characterized in that: the material distributing device (7) comprises a material distributing frame (72) located at the right end of the detection channel (31) and a material distributing rotary cylinder (71) driving the material distributing frame (72) to overturn up and down, wherein a material distributing groove (721) capable of clamping a part (10) by a carrying plate (321) is formed in the material distributing frame (72), the left end and the right end of the material distributing groove (721) are opened and can be respectively used for the part (10) to go in and out, a defective material receiving flow channel (73) with an inlet located right below the material distributing frame (72) is formed in the support (1), a defective material receiving flow channel (74) with an inlet located below the right side of the material distributing frame (72) is formed in the support (1), and the defective material receiving flow channel (74) and the defective material receiving flow channel (73) are respectively led to a defective material receiving device (5).

10. The automatic detection equipment for the part size based on the laser line displacement sensor according to any one of claims 1 to 6, characterized in that: sliding connection has mounting panel (11) that can reciprocate on support (1), be equipped with motor (12) that are used for driving mounting panel (11) motion on support (1), motor (12) are through lead screw and mounting panel (11) threaded connection transmission, install on the bottom of mounting panel (11) through cross slip table (13) laser displacement sensor (2).

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