Pin detection equipment

Abstract

The utility model discloses contact pin detection equipment which comprises a rack and at least one detection assembly, the rack is provided with a driving motor, a cam divider, a fixed disc and a movable rotating disc, and the movable rotating disc is provided with a plurality of station tables which are arranged in an annular array; the station table is rotatably connected with two rotating shafts which are horizontally arranged at an interval, material carrying wheels are arranged at the outer side ends of the rotating shafts, a pin inserting body is horizontally placed in a gap between every two adjacent material carrying wheels, and driving wheels are arranged at the inner side ends of the rotating shafts; the detection assembly comprises a feeding vibration disc, an overturning feeding device, a telescopic material jacking device, a first detection camera and a second detection camera. The fixed disc is provided with a rotation driving device. According to the contact pin detection equipment, the contact pin body does not need to be rotated in a clamping mode in the detection process, comprehensive detection of the contact pin at different angles is achieved, it is ensured that all parts of the contact pin can be covered through visual detection, and therefore the accuracy and reliability of detection are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic needle detection technical field, especially a needle detection equipment. BACKGROUND

[0002] At present, the detection of needle defects after needle production mostly adopts visual detection method, the needle is photographed through visual camera, then image data is transmitted to image processing system, the image processing system extracts features of the image through detection algorithm, and identifies defects. In the prior art, the needle is usually held by hand or clamped by a mechanical clamp during visual detection, and the position of the needle is rotated, so that the visual camera can shoot different angles. However, since the volume of the needle body is small, the clamped part of the needle occupies a large area, and the clamped part of the needle is blocked and cannot be detected by the visual camera, so that the visual camera cannot detect all parts of the needle, affecting the accuracy and reliability of the detection. UTILITY MODEL CONTENT

[0003] The utility model discloses a needle detection equipment to solve the technical problem, the equipment does not need to rotate the needle body through the clamping mode in the detection process, realizes the comprehensive detection of the needle at different angles, ensures that visual detection can cover all parts of the needle, thereby improving the accuracy and reliability of the detection.

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows: a needle detection equipment, comprising a rack and at least one detection assembly, the rack is provided with a driving motor, a cam divider, a fixed disc and a movable turntable, the fixed disc is located on the upper part of the movable turntable, the driving motor drives the movable turntable to rotate relative to the fixed disc through the cam divider, and a plurality of work station tables arranged in a ring array are arranged on the movable turntable.

[0005] The work station table is rotationally connected with two horizontal and spaced apart rotating shafts, the outer side end of the rotating shaft extends to the outer side wall of the work station table and is provided with a load wheel, the gap between adjacent two load wheels is used for horizontally placing the needle body, and the inner side end of the rotating shaft extends to the inner side wall of the work station table and is provided with a driving wheel.

[0006] The work station table is provided with a push rod in an extension mode, the outer side end of the push rod extends to the outer side wall of the work station table and is provided with an abutting part, the abutting part is located in the gap between adjacent two load wheels to abut against the end face of the corresponding end of the needle body, and the inner side end of the push rod extends to the inner side wall of the work station table.

[0007] The detection assembly comprises a feeding vibration disc, a turnover feeding device, a telescopic feeding device, a first detection camera and a second detection camera which are arranged around the movable turntable, a discharge port of the feeding vibration disc is located at the turnover feeding device, the turnover feeding device is used to turn over the pin body to feed it to the workbench in a correct position, the telescopic feeding device is used to push the pin body to abut against the abutting part, a detection end of the first detection camera faces an outer sidewall of a corresponding workbench, and a detection end of the second detection camera faces directly above a corresponding workbench.

[0008] A rotating driving device is arranged on the fixed disc relative to the position of the second detection camera, and a rotating end of the rotating driving device abuts against the driving wheel corresponding to the rotating driving device.

[0009] Preferably, a transmission belt is sleeved between two adjacent driving wheels on the workbench.

[0010] Preferably, the workbench is provided with a mounting sleeve through which the rotating shaft penetrates, and bearings are arranged at both ends of the mounting sleeve to rotatably connect the rotating shaft.

[0011] Preferably, a push plate is fixedly connected to an outer end of the push rod, an avoiding groove matched with the rotating shaft is formed in a side of the push plate close to the rotating shaft, and the abutting part is formed between two adjacent avoiding grooves on the push plate.

[0012] Preferably, the workbench is provided with a stroke hole through which the push rod is slidably connected, an inner sidewall of the push plate is provided with at least one slide rod, the workbench is provided with a movable hole through which the slide rod is slidably connected, an outer end of the slide rod extends to an outer sidewall of the workbench and is provided with a limiting part, and a first elastic member is arranged between the limiting part and the inner sidewall of the workbench.

[0013] Preferably, at least one mounting hole is formed in an outer sidewall of the workbench, and a second elastic member is arranged between an inner wall of the mounting hole and an inner sidewall of the push plate.

[0014] Preferably, the number of the first detection cameras is two, and the two first detection cameras are arranged at intervals along a circumferential direction of the movable turntable, one of the first detection cameras is used to detect an appearance of an end of the pin body, and the other first detection camera is used to detect a size of the end of the pin body.

[0015] The number of the second detection cameras is two, and the two second detection cameras are arranged at intervals along a circumferential direction of the movable turntable, one of the second detection cameras is used to detect an appearance of a circumferential sidewall of the pin body, and the other second detection camera is used to detect a size of the circumferential sidewall of the pin body.

[0016] Preferably, a first waste recycling box with an upward opening is arranged between the first detection camera and the second detection camera, and the corresponding carrier wheel is located above the opening of the first waste recycling box.

[0017] The second detection camera is arranged away from the first detection camera and is spaced apart from a second waste recycling box with an upward opening, and the corresponding carrier wheel is located above the opening of the second waste recycling box.

[0018] The rack is also provided with a qualified product recycling box with an upward opening, and the qualified product recycling box is arranged opposite to the turnover feeding device, and the corresponding carrier wheel is located above the opening of the qualified product recycling box.

[0019] Preferably, the fixed disc is provided with a telescopic pushing device at a position corresponding to the first waste recycling box and the qualified product recycling box, and the telescopic end of the telescopic pushing device abuts against the outer end of the corresponding push rod.

[0020] Preferably, the number of detection assemblies is two, and the two detection assemblies are symmetrically arranged.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] The utility model discloses a pin detection equipment, and driving motor rotates movable turntable through cam divider, and makes each station table pass turnover feeding device, telescopic ejection device, first detection camera, second detection camera in proper order, and pin body is horizontally placed in the gap between two carrier wheels of station table, and ejection device makes pin top and make it contact with abutting portion, thereby guiding the position of pin body, and first detection camera carries out visual inspection to the end of pin body, and second detection camera carries out visual inspection to the circumferential outer wall of pin body, and rotating drive device drives driving wheel to rotate to make the horizontal pin body of rotating shaft rotates around its axial rotation, and makes pin body can be fully exposed in the detection range of second detection camera, thereby ensuring the accuracy and reliability of detection. The equipment does not need to rotate pin body through the mode of clamping during the detection process, realizes the comprehensive detection of pin at different angles, ensures that visual inspection can cover each part of pin, thereby improving the accuracy and reliability of detection. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structure diagram of the pin detection equipment in the embodiment Figure One ;

[0024] Figure 2 It is the structure diagram of the pin detection equipment in the embodiment Figure Two ;

[0025] Figure 3 is a structural schematic view of the rack in the embodiment;

[0026] Figure 4 is a structural schematic view of the driving motor, the cam divider, the fixed disc and the movable disc in the embodiment;

[0027] Figure 5 is a structural schematic view of the workbench and the telescopic pushing device in the embodiment;

[0028] Figure 6 is a structural schematic view of the workbench and the rotary driving device in the embodiment;

[0029] Figure 7 is a sectional view of the workbench in the embodiment Figure One ;

[0030] Figure 8 is a sectional view of the workbench in the embodiment Figure Two .

[0031] In the figure: 1, rack; 101, driving motor; 102, cam divider; 103, fixed disc; 104, movable disc; 2, detection assembly; 21, feeding vibration disc; 22, turnover feeding device; 23, telescopic pushing device; 24, first detection camera; 25, second detection camera; 3, workbench; 301, mounting sleeve; 302, bearing; 303, stroke hole; 304, movable hole; 305, mounting hole; 4, rotating shaft; 401, load wheel; 402, driving wheel; 403, transmission belt; 5, pushing rod; 6, rotary driving device; 601, rotary wheel; 602, lifting mechanism; 7, pushing plate; 701, avoiding groove; 702, abutting part; 8, sliding rod; 801, limiting part; 9, first elastic member; 10, second elastic member; 11, first waste recycling box; 12, second waste recycling box; 13, qualified product recycling box; 14, telescopic pushing device; 15, pin body. DETAILED DESCRIPTION

[0032] The utility model will be further described below by combining the embodiments with the drawings.

[0033] Reference Figures 1 to 8The utility model provides a kind of pin detection equipment, including rack 1 and two detection assemblies 2, two detection assemblies 2 are symmetrically arranged, rack 1 is provided with driving motor 101, cam divider 102, fixed disc 103 and movable turntable 104, fixed disc 103 is fixedly connected to the upper portion of cam divider 102, movable turntable 104 is arranged at the output end of cam divider 102, fixed disc 103 is located in the upper portion of movable turntable 104, driving motor 101 is driven movable turntable 104 relative to fixed disc 103 rotation by cam divider 102, movable turntable 104 is provided with the several work station tables 3 of annular array arrangement.

[0034] Work station table 3 is rotatably connected with the two shafts 4 of horizontal and interval arrangement, the outside end of shaft 4 is stretched to the outside wall of work station table 3 and is provided with load wheel 401, the gap between adjacent two load wheels 401 is used for the horizontal placement of pin body 15, the gap between two load wheels 401 is less than the diameter of pin body 15.The middle part of work station table 3 is provided with the installation sleeve 301 for the through of shaft 4, the both ends of installation sleeve 301 are provided with bearing 302 for the rotatable connection of shaft 4, the inside end of shaft 4 is stretched to the inside wall of work station table 3 and is provided with drive wheel 402.Work station table 3 is through with stroke hole 303, push rod 5 is slid in stroke hole 303, push rod 5 is located at the position above between two shafts 4, the outside end of push rod 5 is stretched to the outside wall of work station table 3, the outside end of push rod 5 is fixedly connected with push plate 7, push plate 7 is close to the side of shaft 4 and is provided with the avoiding slot 701 matched with shaft 4, the avoiding slot 701 between adjacent two push plates 7 forms the abutting portion 702, the abutting portion 702 is located in the gap between adjacent two load wheels 401 to abut the end face of corresponding end of pin body 15.The inside end of push rod 5 is stretched to the inside wall of work station table 3.

[0035] The inside wall of push plate 7 is symmetrically provided with two slide rods 8, work station table 3 is through with movable hole 304 for the sliding connection of slide rod 8, the outside end of slide rod 8 is stretched to the outside wall of work station table 3 and is provided with limiting portion 801, limiting portion 801 is provided with first elastic member 9 between the inside wall of work station table 3.The first elastic member 9 is spring structure, first elastic member 9 is sleeved on slide rod 8, so that push plate 7 has the tendency of being close to work station table 3.

[0036] The detection assembly 2 comprises a feeding vibration disc 21, a turnover feeding device 22, a telescopic feeding device 23, two first detection cameras 24 and two second detection cameras 25 arranged around the movable turntable 104. The two first detection cameras 24 are arranged at intervals along the circumference of the movable turntable 104, and the two second detection cameras 25 are arranged at intervals along the circumference of the movable turntable 104.

[0037] A first waste recycling box 11 with an upward opening is arranged between adjacent first detection camera 24 and second detection camera 25. A second waste recycling box 12 with an upward opening is arranged at intervals away from the side of the second detection camera 25 away from the first detection camera 24. A qualified product recycling box 13 with an upward opening is also arranged on the rack 1, and the qualified product recycling box 13 is arranged opposite the turnover feeding device 22.

[0038] The driving motor 101 drives the movable turntable 104 to rotate through the cam divider 102, so that each workbench 3 passes through the turnover feeding device 22, the telescopic feeding device 23, the two first detection cameras 24 and the two second detection cameras 25 in turn. The discharge port of the feeding vibration disc 21 is located at the turnover feeding device 22. The feeding vibration disc 21 arranges and conveys the pin body 15 to the turnover feeding device 22 in turn through the feeding channel. The feeding vibration disc 21 is a prior art and will not be described in detail here.

[0039] The turnover feeding device 22 is used to turn over the pin body 15 to feed it to the workbench 3 in the correct position. The turnover feeding device 22 is composed of a mounting frame, a turnover cylinder and a gripper. The gripper holds the pin body 15. The turnover cylinder drives the gripper to rotate to the correct position, and then the gripper releases the pin, so that the pin body 15 falls into the gap between the two load wheels 401 on the workbench 3 in the correct position. The turnover feeding device 22 is a prior art and will not be described in detail here.

[0040] The telescopic feeding device 23 is a telescopic cylinder. The telescopic end of the telescopic feeding device 23 corresponds to the pin body 15 on the workbench 3. The telescopic feeding device 23 is used to push the pin body 15 to abut against the abutting portion 702, so as to guide the position of the pin body 15.

[0041] The detection end of the first detection camera 24 faces the outer side wall of the corresponding workbench 3. When the workbench 3 with the horizontally placed pin body 15 passes through the two first detection cameras 24 in turn, one of the first detection cameras 24 is used to detect the appearance of the end of the pin body 15, and the other first detection camera 24 is used to detect the size of the end of the pin body 15.

[0042] The detection end of the second detection camera 25 is directed to the top of the corresponding worktable 3. When the worktable 3 with the horizontally placed pin body 15 passes the two second detection cameras 25 in sequence, one of the second detection cameras 25 is used to detect the appearance of the circumferential side wall of the pin body 15, and the other second detection camera 25 is used to detect the size of the circumferential side wall of the pin body 15.

[0043] The rotating drive device 6 is arranged on the position of the fixed disc 103 relative to the second detection camera 25. The rotating drive device 6 is a rotating motor, and the rotating end of the rotating drive device 6 is a rotating wheel 601. The rotating drive device 6 is provided with a lifting mechanism 602 for driving the lifting of the rotating drive device 6. The lifting mechanism 602 is a telescopic cylinder, and the lifting mechanism 602 adjusts the position of the rotating drive device 6 in the vertical direction to make the rotating end of the rotating drive device 6 close to or away from the corresponding drive wheel 402.

[0044] When the worktable 3 with the horizontally placed pin body 15 stops at the second detection camera 25, the rotating end of the rotating drive device 6 is in contact with the corresponding drive wheel 402. The rotating drive device 6 drives the drive wheel 402 in contact with it by means of the friction transmission belt 403. Preferably, the transmission belt 403 is sleeved between the two adjacent drive wheels 402 on the worktable 3, so that the rotating drive device 6 drives the two adjacent drive wheels 402 on the worktable to rotate synchronously. The rotating drive device 6 drives the drive wheel 402 to rotate to make the horizontal pin body 15 rotate around the shaft to make the pin body 15 fully exposed in the detection range of the second detection camera 25, thereby ensuring the accuracy and reliability of the detection. The device does not need to rotate the pin body 15 by clamping during detection, realizes the full detection of the pin at different angles, ensures that the visual detection can cover all parts of the pin, and thereby improves the accuracy and reliability of the detection.

[0045] The telescopic pushing device 14 is arranged on the position of the fixed disc 103 relative to the first waste recycling box 11 and the qualified product recycling box 13. The telescopic pushing device 14 is a telescopic cylinder, and the telescopic end of the telescopic pushing device 14 is in contact with the outer end of the corresponding push rod 5.

[0046] When the worktable 3 horizontally placed with the pin body 15 completes the visual detection of the two first detection cameras 24, the two first detection cameras 24 transmit the collected image information to the computer of the pin detection device of the embodiment, so as to judge whether the end of the pin body 15 is qualified, if the end of the pin body 15 is unqualified, the movable turntable 104 drives the worktable 3 to stop at the first waste recovery box 11, the corresponding material carrying wheel 401 is located above the opening of the first waste recovery box 11, the push rod 5 is pushed by the corresponding telescopic material pushing device 14 to drive the abutting part 702 of the push plate 7 to translate, so as to push out the unqualified pin body 15, and the pin body 15 falls into the first waste recovery box 11, if the end of the pin body 15 is qualified, the movable turntable 104 drives the worktable 3 to continue to move to the second detection camera 25.

[0047] When the worktable 3 horizontally placed with the pin body 15 completes the visual detection of the second detection camera 25, the second detection camera 25 transmits the collected image information to the computer of the pin detection device of the embodiment, so as to judge whether the circumferential side wall of the pin body 15 is qualified, if the end of the pin body 15 is unqualified, the movable turntable 104 drives the worktable 3 to stop at the second waste recovery box 12, the corresponding material carrying wheel 401 is located above the opening of the second waste recovery box 12, the push rod 5 is pushed by the corresponding telescopic material pushing device 14 to drive the abutting part 702 of the push plate 7 to translate, so as to push out the unqualified pin body 15, and the pin body 15 falls into the second waste recovery box 12, if the end of the pin body 15 is qualified, the movable turntable 104 drives the worktable 3 to continue to move to the visual detection of the next second detection camera 25. Similarly, after the next second detection camera 25 visually detects the pin body 15, the unqualified pin body 15 is pushed out and falls into the next second waste recovery box 12, and the qualified pin body 15 stops on the qualified product recovery box 13, the corresponding material carrying wheel 401 is located above the opening of the qualified product recovery box 13, the push rod 5 is pushed by the corresponding telescopic material pushing device 14 to drive the abutting part 702 of the push plate 7 to translate, so as to push out the qualified pin body 15, and the pin body 15 falls into the qualified product recovery box 13.

[0048] Of course, the above is only a typical example of the present application, in addition to this, the present application can have other various specific implementation manners, and any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of the present application.

Claims

1. A pin detection device, characterized in that, The device includes a frame (1) and at least one detection assembly (2). The frame (1) is equipped with a drive motor (101), a cam divider (102), a fixed disk (103), and a movable turntable (104). The fixed disk (103) is located above the movable turntable (104). The drive motor (101) drives the movable turntable (104) to rotate relative to the fixed disk (103) through the cam divider (102). The movable turntable (104) is equipped with a plurality of workstations (3) arranged in a circular array. The workstation (3) is rotatably connected to two horizontally spaced rotating shafts (4). The outer end of the rotating shaft (4) extends to the outer wall of the workstation (3) and is provided with a material-carrying wheel (401). The gap between two adjacent material-carrying wheels (401) allows the needle body (15) to be placed horizontally. The inner end of the rotating shaft (4) extends to the inner wall of the workstation (3) and is provided with a drive wheel (402). The worktable (3) is telescopically equipped with a push rod (5). The outer end of the push rod (5) extends to the outer wall of the worktable (3) and is provided with an abutment part (702). The abutment part (702) is located in the gap between two adjacent material wheels (401) so that the end face of the corresponding end of the needle body (15) abuts against it. The inner end of the push rod (5) extends to the inner wall of the worktable (3). The detection assembly (2) includes a feeding vibratory plate (21), a flipping feeding device (22), a telescopic lifting device (23), a first detection camera (24), and a second detection camera (25) arranged around the movable turntable (104). The discharge port of the feeding vibratory plate (21) is located at the flipping feeding device (22). The flipping feeding device (22) is used to flip the pin body (15) so that it is fed onto the worktable (3) in the correct position. The telescopic lifting device (23) is used to push the pin body (15) so that it abuts against the abutment part (702). The detection end of the first detection camera (24) faces the outer wall of the corresponding worktable (3), and the detection end of the second detection camera (25) faces directly above the corresponding worktable (3). The fixed disk (103) is provided with a rotary drive device (6) at a position relative to the second detection camera (25), and the rotating end of the rotary drive device (6) abuts against the corresponding drive wheel (402).

2. The pin detection device according to claim 1, characterized in that, A transmission belt (403) is sleeved between two adjacent drive wheels (402) on the workstation (3).

3. The pin detection device according to claim 1, characterized in that, The workstation (3) is provided with a mounting sleeve (301) through which the rotating shaft (4) passes. Both ends of the mounting sleeve (301) are provided with bearings (302) for rotatably connecting the rotating shaft (4).

4. The pin detection device according to claim 1, characterized in that, The outer end of the push rod (5) is fixedly connected to a push plate (7). The push plate (7) has a relief groove (701) adapted to the rotating shaft (4) on the side near the rotating shaft (4). The abutment part (702) is formed between two adjacent relief grooves (701) on the push plate (7).

5. The pin detection device according to claim 4, characterized in that, The worktable (3) has a through-hole (303) for sliding connection of the push rod (5), and the inner sidewall of the push plate (7) is provided with at least one slide rod (8). The worktable (3) has a through-hole (304) for sliding connection of the slide rod (8). The outer end of the slide rod (8) extends to the outer sidewall of the worktable (3) and is provided with a limiting part (801). A first elastic member (9) is provided between the limiting part (801) and the inner sidewall of the worktable (3).

6. The pin detection device according to claim 5, characterized in that, The outer side wall of the workstation (3) is provided with at least one mounting hole (305), and a second elastic element (10) is provided between the inner wall of the mounting hole (305) and the inner side wall of the push plate (7).

7. The pin detection device according to claim 1, characterized in that, The number of the first detection camera (24) is set to two. The two first detection cameras (24) are arranged circumferentially at intervals along the movable turntable (104). One of the first detection cameras (24) is used to detect the end appearance of the pin body (15), and the other first detection camera (24) is used to detect the end size of the pin body (15). The number of the second detection cameras (25) is set to two, and the two second detection cameras (25) are arranged at circumferential intervals along the movable turntable (104). One of the second detection cameras (25) is used to detect the appearance of the circumferential sidewall of the pin body (15), and the other second detection camera (25) is used to detect the size of the circumferential sidewall of the pin body (15).

8. The pin detection device according to claim 1, characterized in that, A first waste recycling box (11) with an upward opening is provided between the adjacent first detection camera (24) and second detection camera (25), and the corresponding material loading wheel (401) is located above the opening of the first waste recycling box (11); The second detection camera (25) is provided with an upward-facing second waste recycling box (12) on the side away from the first detection camera (24), and the corresponding material wheel (401) is located above the opening of the second waste recycling box (12); The frame (1) is also provided with a qualified product recycling box (13) with the opening facing upward. The qualified product recycling box (13) is arranged opposite to the flipping feeding device (22), and the corresponding material wheel (401) is located above the opening of the qualified product recycling box (13).

9. A pin detection device according to claim 8, characterized in that, The fixed plate (103) is provided with a telescopic pusher (14) at the position relative to the first waste recycling box (11) and the qualified product recycling box (13). The telescopic end of the telescopic pusher (14) abuts against the outer end of the corresponding push rod (5).

10. The pin detection device according to claim 1, characterized in that, The number of the detection assemblies (2) is set to two, and the two detection assemblies (2) are arranged symmetrically.

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