Stud visual inspection equipment

Abstract

The utility model provides a stud visual inspection equipment, including frame, drive mechanism, feed mechanism, dimension detection mechanism, bolt surface detection mechanism and recovery mechanism, the drive mechanism includes the fixed disk that installs on the frame, be provided the index plate of fixed disk inner ring and control the drive motor of index plate rotation, the drive motor is provided with the feed mechanism, the size detection mechanism, the bolt surface detection mechanism and recovery mechanism. A plurality of clamping piece holes which are arranged at intervals relative to the circumferential direction of the dividing plate are formed in the outer circumferential wall of the dividing plate, and the thread detection mechanism comprises an upper thread detection device and a lower thread detection device. The upper thread detection device comprises a first adjusting frame, a first connecting frame, a second connecting frame, a first camera connected with the first connecting frame, a projection block connected with the second connecting frame and a first light supplementing lamp which is connected to the bottom of the second connecting frame and faces the clamping piece hole. The device has the advantages of high detection precision, high efficiency and no damage to parts.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field, concretely relates to a double -end bolt visual inspection equipment. BACKGROUND

[0002] Visual inspection refers to the machine vision product is taken target into image signal, is transmitted to the dedicated image processing system according to pixel distribution and brightness, color etc., transforms into digitized signal, and the image system carries out various operations to the signal to extract the feature of target, and then according to the result of discrimination to control the equipment action of field. Bolt thread defect detection is the important link of ensuring fastener reliability and safety, needs according to application scene, precision requirement and cost etc. Factor selects suitable detection method, and thread defect mainly includes crack, wear, deformation, missing tooth and disorderly buckle etc. Crack usually is caused by stress concentration or material fatigue, can cause the risk of fracture, and wear can lead to thread cooperation loose, and deformation and missing tooth are caused by improper processing, and disorderly buckle shows thread misplacement or irregular tooth shape. These defects can directly influence the connection strength and sealing performance of bolt, need through detection and promptly eliminate unqualified product. The detection of existing visual inspection equipment to bolt thread is not comprehensive enough, and precision is lacked. SUMMARY

[0003] Based on the above problems, the utility model aims at providing a double-end bolt visual inspection equipment with high detection precision and efficiency and no damage to parts.

[0004] In view of the above problems, the technical scheme is provided as follows: a double-end bolt visual inspection equipment, comprising a rack, a driving mechanism, a feeding mechanism, a size detection mechanism, a bolt surface detection mechanism and a recycling mechanism, the driving mechanism comprising a fixed disc installed on the rack, a dividing disc arranged in the inner circle of the fixed disc and a driving motor for controlling the rotation of the dividing disc, the recycling mechanism comprising a qualified storage device for recycling qualified products, a waste storage device for recycling unqualified products and a re-inspection storage device for recycling undetected products, a display screen being installed on the top of the rack, a plurality of clamping piece holes being arranged on the outer circumferential wall of the dividing disc and spaced apart relative to the circumferential direction, further comprising a thread detection mechanism, the thread detection mechanism comprising an upper thread detection device and a lower thread detection device, the feeding mechanism, the upper thread detection device, the size detection mechanism, the bolt surface detection mechanism, the lower thread detection device and the recycling mechanism being sequentially arranged relative to the circumferential direction of the fixed disc, the upper thread detection device comprising a first adjusting frame, a first connecting frame, a second connecting frame, a first camera connected to the first connecting frame, a projection block connected to the second connecting frame and a first light supplement lamp connected to the bottom of the second connecting frame and arranged towards the clamping piece hole, the first adjusting frame being installed on the rack, the first adjusting frame being provided with a sliding rail, the first connecting frame and the second connecting frame being arranged above and below and being slidably connected to the sliding rail through a sliding seat, the first camera being located directly above the projection block and being evenly distributed with four groups relative to the circumferential direction of the first light supplement lamp, the lower thread detection device comprising a second adjusting frame, a branch frame connected to the second adjusting frame, a second light supplement lamp installed on the branch frame, an adjusting seat installed on the branch frame and a second camera installed on the adjusting seat, the adjusting seat and the second camera being provided with four relative to the circumferential direction of the second light supplement lamp.

[0005] In the structure, the stud is conveyed to the clamping piece hole through the feeding mechanism, the driving motor controls the rotation of the index plate, and the workpiece is conveyed to each station, when the workpiece is conveyed below the first light supplementing lamp, the projection is projected on the projection block, the corresponding angle picture is shot by the corresponding camera and uploaded, the upper thread is identified by AI identification, whether it is qualified is determined, and then the upper thread detection device is used for detecting the upper thread of the stud; when the stud workpiece is detected by the size detection mechanism and the bolt surface detection mechanism, the index plate is rotated to the upper side of the second light supplementing lamp, each direction second camera is used for shooting, and then the lower thread is detected, the qualified stud enters the qualified storage device, the unqualified stud enters the waste product storage device, and the undetected stud enters the re-inspection storage device. The upper thread detection device and the lower thread detection device can improve the accuracy of the stud thread detection, thereby improving the quality of the product, and improving the detection efficiency. The sliding seat is matched with the first adjusting frame, the corresponding position of the first connecting frame can be adjusted according to the actual working condition, and the convenience of operation of the utility model is improved. The four first cameras and the second cameras can shoot the upper and lower threads of the stud more comprehensively, and the reliability of the utility model detection is improved. The adjusting seat is arranged, the position of the second camera can be adjusted, and the convenience of operation of the utility model is improved.

[0006] The utility model further sets up, be equipped with the fixed plate on the first camera outside of second connecting frame location, the inside of fixed plate is connected with the adjusting block to the side of first light supplementing lamp, first adjusting groove is opened on the fixed plate, the adjusting block is connected on the fixed plate through first adjusting bolt passing through first adjusting groove, the fixed plate and adjusting block all are equipped with four, four projection blocks are installed on corresponding adjusting block respectively.

[0007] In the structure, the first adjusting groove is arranged, the height of the projection block relative to the index plate can be adjusted by the first adjusting bolt, the convenience of operation of the utility model is improved, and the application range of the utility model is expanded.

[0008] The utility model further sets up, the inside of adjusting block is equipped with the clamping slot, the projection block is installed in the clamping slot, the both ends of adjusting block relative projection block all are equipped with second adjusting groove, the both ends of projection block are connected with adjusting block through second adjusting bolt passing through second adjusting groove.

[0009] The structure can facilitate the installation of the projection block through the clamping groove, and can facilitate the user to adjust the distance between the projection block and the light supplement lamp in the radial direction through the second adjusting screw, so that the user can adjust according to the actual working condition, the application range of the utility model is expanded, and the convenience of operation of the utility model is improved.

[0010] The utility model further sets up, the lock knob is screwed with the end of slide, and the lock knob is screwed with the end of slide.

[0011] The structure can facilitate the installation of the projection block through the clamping groove, and can facilitate the user to adjust the distance between the projection block and the light supplement lamp in the radial direction through the second adjusting screw, so that the user can adjust according to the actual working condition, the application range of the utility model is expanded, and the convenience of operation of the utility model is improved.

[0012] The utility model further sets up, the rechecking storage device includes the needle of blocking of being installed on the other side of the upper thread detection device of feeding mechanism relative and the rechecking storage box of being located below the fixed disc, the fixed disc is opened with the blanking port of corresponding needle on.

[0013] The structure can facilitate the installation of the projection block through the clamping groove, and can facilitate the user to adjust the distance between the projection block and the light supplement lamp in the radial direction through the second adjusting screw, so that the user can adjust according to the actual working condition, the application range of the utility model is expanded, and the convenience of operation of the utility model is improved.

[0014] The utility model further sets up, the qualified storage device includes the qualified storage box and the first air nozzle for blowing the qualified workpiece to the qualified storage box, and the first material receiving port of being located below the fixed disc is opened to the top of qualified storage box.

[0015] The structure can facilitate the installation of the projection block through the clamping groove, and can facilitate the user to adjust the distance between the projection block and the light supplement lamp in the radial direction through the second adjusting screw, so that the user can adjust according to the actual working condition, the application range of the utility model is expanded, and the convenience of operation of the utility model is improved.

[0016] The utility model further sets up, the waste storage device includes the waste storage box and the second air nozzle for blowing the unqualified workpiece to the waste storage box, and the second material receiving port of being located below the fixed disc is opened to the top of waste storage box.

[0017] The structure can facilitate the installation of the projection block through the clamping groove, and can facilitate the user to adjust the distance between the projection block and the light supplement lamp in the radial direction through the second adjusting screw, so that the user can adjust according to the actual working condition, the application range of the utility model is expanded, and the convenience of operation of the utility model is improved.

[0018] The utility model further sets up, the corner of rack is equipped with stand, the hinge cooperation of being equipped with open and close door between each stand, the cover plate of being installed on the stand is equipped with the rack top, the bottom of cover plate is equipped with crossbeam, and the display is installed on crossbeam.

[0019] In the structure, the opening and closing door is arranged, so that the utility model can be processed quietly, and the dustproof and waterproof effects are achieved, and the reliability of the utility model is improved. The horizontal beam is arranged, so that the display is convenient to install, and the user is convenient to view. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 It is a structural schematic diagram of the utility model rack Figure One .

[0022] Figure 3 It is a structural schematic diagram of the utility model rack Figure Two .

[0023] Figure 4 It is a structural schematic diagram of the utility model rack Figure Three .

[0024] Figure 5 It is a structural schematic diagram of each detection station in the utility model.

[0025] Figure 6 It is a structural schematic diagram of the upper thread detection device in the utility model.

[0026] The meaning of the reference numeral in the figure is as follows: 1-rack; 2-driving mechanism; 3-feeding mechanism; 4-size detection mechanism; 5-bolt surface detection mechanism; 6-recovery mechanism; 21-fixed disc; 22-graduated disc; 23-driving motor; 61-qualified storage device; 62-waste storage device; 63-reinspection storage device; 10-display screen; 221-clamping piece hole; 7-thread detection mechanism; 71-upper thread detection device; 72-lower thread detection device; 711-first adjusting frame; 712-first connecting frame; 713-second connecting frame; 714-first camera; 715-throwing block; 716-first light supplementing lamp; 7111-sliding rail; 20-sliding seat; 721-second adjusting frame; 722-branching frame; 723-second light supplementing lamp; 724-adjusting seat; 725-second camera; 8-fixed plate; 81-adjusting block; 82-first adjusting groove; 30-first adjusting bolt; 811-clamping groove; 812-second adjusting groove; 40-second adjusting bolt; 50-locking knob; 631-needle blocking; 632-reinspection storage box; 211-discharging port; 611-qualified storage box; 612-first air nozzle; 6111-first receiving port; 621-waste storage box; 622-second air nozzle; 6211-second receiving port; 11-stand column; 12-opening and closing door; 13-cover plate; 14-horizontal beam. DETAILED DESCRIPTION

[0027] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0028] It should be noted that all directional indicators (such as up, down, left, right, front, back, back, etc.) in the embodiments of this utility model are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0029] like Figures 1 to 6 The illustrated double-headed bolt visual inspection device includes a frame 1, a drive mechanism 2, a feeding structure 3, a dimensional inspection mechanism 4, a bolt surface inspection mechanism 5, and a recycling mechanism 6. The drive mechanism 2 includes a fixed disk 21 mounted on the frame 1, an indexing disk 22 disposed within the inner ring of the fixed disk 21, and a drive motor 23 controlling the rotation of the indexing disk 22. The recycling mechanism 6 includes a qualified product collection device 61 for collecting qualified products, a waste product collection device 62 for collecting unqualified products, and a re-inspection collection device for collecting uninspected products. 63. A display screen 10 is installed on the top of the frame 1. The outer circumferential wall of the indexing plate 22 has several clamping holes 221 spaced apart relative to its circumferential direction. It also includes a thread detection mechanism 7, which includes an upper thread detection device 71 and a lower thread detection device 72. The feeding structure 3, the upper thread detection device 71, the size detection mechanism 4, the bolt surface detection mechanism 5, the lower thread detection device 72, and the recycling mechanism 6 are arranged sequentially relative to the fixed plate 21 in the circumferential direction. The upper thread detection device 71 includes… The system includes a first adjusting frame 711, a first connecting frame 712, a second connecting frame 713, a first camera 714 connected to the first connecting frame 712, a projection block 715 connected to the second connecting frame 713, and a first supplementary light 716 connected to the bottom of the second connecting frame 713 and facing the mounting hole 221. The first adjusting frame 711 is mounted on the frame 1 and is provided with a slide rail 7111. The first connecting frame 712 and the second connecting frame 713 are arranged vertically and are both slidably connected to the slide rail 711 via a slide block 20. 1. The first camera 714 is located directly above the projection block 715, and four sets are evenly distributed in the circumferential direction relative to the first supplementary light 716. The thread detection device 72 includes a second adjustment frame 721, a tapping frame 722 connected to the second adjustment frame 721, a second supplementary light 723 mounted on the tapping frame 722, an adjustment seat 724 mounted on the tapping frame 722, and a second camera 725 mounted on the adjustment seat 724. The adjustment seat 724 and the second camera 725 are each arranged in four circumferential directions relative to the second supplementary light 723.

[0030] In the structure, the stud bolts are conveyed to the clamping piece holes 221 through the feeding structure 3, the driving motor 23 controls the rotation of the indexing disc 22, and drives the workpiece to be conveyed to each work station, when the workpiece is conveyed below the first light supplementing lamp 716, the projection thereof is projected onto the projection block 715, and after the corresponding camera shoots the picture of the corresponding angle, the picture is uploaded, the upper thread is identified by AI identification, whether the upper thread is qualified is determined, and then the detection of the upper thread of the stud bolt is performed by the upper thread detection device 71; when the stud bolt workpiece is detected by the size detection mechanism 4 and the bolt surface detection mechanism 5, the indexing disc 22 is rotated to be above the second light supplementing lamp 723, the second camera 725 in each direction is used for shooting, and then the lower thread is detected, the qualified stud bolt enters the qualified storage device 61, the unqualified stud bolt enters the waste storage device 62, and the undetected stud bolt enters the re-detection storage device 63. By arranging the upper thread detection device 71 and the lower thread detection device 72, the accuracy of the stud bolt thread detection can be improved, and the quality and detection efficiency of the product are improved. By arranging the sliding seat 20 and the first adjusting frame 711, the user can adjust the corresponding position of the first connecting frame 712 according to the actual working condition, and the convenience of operation of the utility model is improved. By arranging the four first cameras 714 and the second camera 725, the upper and lower threads of the stud bolt can be shot more comprehensively, and the reliability of the utility model detection is improved. By arranging the adjusting seat 724, the position of the second camera 725 can be adjusted, and the user can adjust according to the actual working condition, and the convenience of operation of the utility model is improved.

[0031] In the embodiment, the first camera 714 is located outside the first camera 714 on the second connecting frame 713, and a fixed plate 8 is arranged outside the first camera 714. The inside of the fixed plate 8 is connected with an adjusting block 81 towards one side of the first light supplementing lamp 716. A first adjusting groove 82 is arranged on the fixed plate 8. The adjusting block 81 is connected to the fixed plate 8 through the first adjusting bolt 30 passing through the first adjusting groove 82. The fixed plate 8 and the adjusting block 81 are both provided with four. The four projection blocks 715 are respectively installed on the corresponding adjusting blocks 81.

[0032] In the structure, the first adjusting groove 82 can be used by the user to adjust the height of the projection block 715 relative to the indexing disc 22 through the first adjusting bolt 30, thereby improving the convenience of operation of the utility model, and expanding the application range of the utility model.

[0033] In the embodiment, the inside of the adjusting block 81 is provided with a clamping groove 811, and the projection block 715 is installed in the clamping groove 811. Second adjusting grooves 812 are arranged at both ends of the adjusting block 81 relative to the projection block 715. The two ends of the projection block 715 are connected with the adjusting block 81 through the second adjusting bolt 40 passing through the second adjusting groove 812.

[0034] In the structure, the clamping groove 811 is arranged to facilitate the installation of the projection block 715, and the second adjusting groove 812 is arranged to facilitate the user to adjust the distance between the projection block 715 and the light supplement lamp in the radial direction by the second adjusting screw 40, so that the user can adjust according to the actual working condition, thereby expanding the application range of the utility model and improving the convenience of operation of the utility model.

[0035] In the embodiment, the end of the sliding seat 20 is screwed with a locking knob 50.

[0036] In the structure, the locking knob 50 is arranged to facilitate the adjustment of the height of the sliding seat 20 relative to the first adjusting frame 711 in the vertical direction, thereby improving the convenience of operation of the utility model.

[0037] In the embodiment, the re-inspection receiving device 63 includes a needle blocking piece 631 arranged on the other side of the upper thread detection device 71 of the feeding structure 3 and a re-inspection receiving box 632 located below the fixed disc 21, and the fixed disc 21 is provided with a discharging port 211 corresponding to the needle blocking piece 631.

[0038] In the structure, the double-headed bolt is driven by the index plate 22 to rotate to cooperate with the needle blocking piece 631, and the double-headed bolt falls from the clamping piece hole 221 into the re-inspection receiving box 632 through the blocking of the needle blocking piece 631, waiting for the next inspection.

[0039] In the embodiment, the qualified receiving device 61 includes a qualified receiving box 611 and a first air nozzle 612 for blowing the qualified workpiece into the qualified receiving box 611, and the top end of the qualified receiving box 611 is provided with a first receiving port 6111 located below the fixed disc 21.

[0040] With the above structure, the qualified double-headed bolt is blown off from the clamping piece hole 221 by the first air nozzle 612 and falls into the qualified receiving box 611 from the first receiving port 6111.

[0041] In the embodiment, the waste receiving device 62 includes a waste receiving box 621 and a second air nozzle 622 for blowing the unqualified workpiece into the waste receiving box 621, and the top end of the waste receiving box 621 is provided with a second receiving port 6211 located below the fixed disc 21.

[0042] With the above structure, the unqualified double-headed bolt is blown off from the clamping piece hole 221 by the second air nozzle 622 and falls into the waste receiving box 621 through the second receiving port 6211. The waste receiving box 621, the qualified receiving box 611 and the re-inspection receiving box 632 can be externally connected to the rack outside through a pipeline.

[0043] In the embodiment, the corners of the rack 1 are provided with columns 11, the columns 11 are provided with the hinged opening and closing doors 12, the rack 1 is provided with the cover plates 13 installed on the columns 11, the bottom of the cover plates 13 is provided with the cross beams 14, and the display is installed on the cross beams 14.

[0044] In the above structure, the opening and closing doors 12 can make the utility model perform mute processing, can play the dustproof and waterproof effect, and improve the reliability of the utility model. The cross beams 14 can facilitate the installation of the display, and then can facilitate the user to view.

[0045] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled in the art, without departing from the technical principles of the utility model, a number of improvements and modifications can be made, and the above assumptions of these improvements and modifications should be regarded as the protection scope of the utility model.

Claims

1. A visual inspection device for double-ended bolts, comprising a frame, a drive mechanism, a feeding mechanism, a dimensional inspection mechanism, a bolt surface inspection mechanism, and a recycling mechanism, wherein the drive mechanism includes a fixed plate mounted on the frame, an indexing plate disposed on the inner ring of the fixed plate, and a drive motor for controlling the rotation of the indexing plate; the recycling mechanism includes a qualified product collection device for recycling qualified products, a waste product collection device for recycling unqualified products, and a re-inspection collection device for recycling uninspected products; a display screen is mounted on the top of the frame, characterized in that: The indexing plate has several locking holes spaced apart in its circumferential direction on its outer circumferential wall, and also includes a thread detection mechanism. The thread detection mechanism includes an upper thread detection device and a lower thread detection device. The feeding mechanism, the upper thread detection device, the size detection mechanism, the bolt surface detection mechanism, the lower thread detection device, and the recycling mechanism are arranged sequentially in the circumferential direction relative to the fixed plate. The upper thread detection device includes a first adjusting frame, a first connecting frame, a second connecting frame, a first camera connected to the first connecting frame, a projection block connected to the second connecting frame, and a device connected to the bottom of the second connecting frame facing the locking device. The device includes a first supplementary light with a hole, a first adjustment frame mounted on a frame, a slide rail on the first adjustment frame, a first connecting frame and a second connecting frame positioned vertically and slidably connected to the slide rail via a sliding base, a first camera located directly above the projection block and having four sets evenly distributed around the first supplementary light in the circumferential direction, and a thread detection device including a second adjustment frame, a tapping frame connected to the second adjustment frame, a second supplementary light mounted on the tapping frame, an adjustment base mounted on the tapping frame, and a second camera mounted on the adjustment base. The adjustment base and the second camera each have four sets arranged around the second supplementary light in the circumferential direction.

2. The visual inspection device for double-ended bolts according to claim 1, characterized in that: The second connecting frame has a fixing plate located outside the first camera. An adjustment block is connected to the inner side of the fixing plate facing the first fill light. A first adjustment groove is opened on the fixing plate. The adjustment block is connected to the fixing plate through the first adjustment groove by a first adjustment bolt. There are four fixing plates and four adjustment blocks. The four projection blocks are respectively installed on the corresponding adjustment blocks.

3. The visual inspection device for double-ended bolts according to claim 2, characterized in that: The inner side of the adjusting block is provided with a slot, and the projection block is installed in the slot. The two ends of the adjusting block relative to the projection block are provided with second adjusting slots. The two ends of the projection block are connected to the adjusting block through the second adjusting slots by second adjusting bolts.

4. The visual inspection device for double-ended bolts according to claim 1, characterized in that: A locking knob is screwed to the end of the slide block.

5. The visual inspection device for double-ended bolts according to claim 1, characterized in that: The re-inspection and storage device includes a stop pin installed on the other side of the feeding mechanism opposite to the thread detection device and a re-inspection and storage box located below the fixed plate. The fixed plate has a discharge port corresponding to the stop pin.

6. The visual inspection device for double-ended bolts according to claim 5, characterized in that: The qualified storage device includes a qualified storage box and a first air nozzle for blowing qualified workpieces into the qualified storage box. The top of the qualified storage box has a first receiving port located below the fixed plate.

7. A visual inspection device for double-ended bolts according to claim 6, characterized in that: The waste collection device includes a waste collection box and a second air nozzle for blowing defective workpieces into the waste collection box. The top of the waste collection box has a second receiving port located below the fixed plate.

8. A visual inspection device for double-ended bolts according to claim 7, characterized in that: The frame is equipped with columns at each corner, and each column is connected to a hinged door. The frame is equipped with a cover plate mounted on the column, and a crossbeam is located at the bottom of the cover plate. The display screen is mounted on the crossbeam.

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