Multifunctional metal piece bar automatic classification detection device

By designing an automated metal bar inspection device, the problems of high cost and low efficiency caused by manual operation have been solved, achieving efficient and low-cost bar inspection.

CN223669691UActive Publication Date: 2025-12-16HIRATA PRECISION PROD SHENZHEN CO LTD
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Patent Information

Application Number
CN202423156399.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-16
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

In existing technologies, the inspection of metal bar stock requires manual handling and angle adjustment, resulting in a large workload, cumbersome positioning operations, low inspection efficiency, and high costs.

Method used

Design a multifunctional automatic sorting and inspection device for metal bars, including length detection, shaft end flatness detection, mandrel groove detection and feeding mechanism. Utilize components such as laser displacement sensor, linear driver, rotary driver and inspection camera to automatically position and inspect bars, achieving automated inspection.

Benefits of technology

It reduced the workload of staff, improved testing efficiency, simplified the testing process for bars of different sizes and specifications, and reduced testing costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223669691U_ABST
Patent Text Reader

Abstract

The utility model discloses a multifunctional metal piece bar automatic classification detection device, and specifically relates to the detection equipment field, the multifunctional metal piece bar automatic classification detection device comprises a mounting rack, the mounting rack is provided with a length detection mechanism, the length detection mechanism comprises a support frame 1, the support frame 1 is fixedly arranged on the mounting rack, the support frame 1 is fixedly provided with a laser displacement sensor, and the laser displacement sensor is fixedly arranged on the mounting rack. The length detection mechanism further comprises a first linear driver and a first rotating driver, a first pushing ejector rod is arranged on an output shaft of the first linear driver, a first limiting seat is arranged on an output shaft of the first rotating driver, and a workpiece to be detected is placed on the first supporting frame and located between the first pushing ejector rod and the first limiting seat. According to the utility model, the workload of workers is reduced, bars with different dimensions can be detected conveniently, the detection efficiency is improved, and the detection cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field more specifically, the utility model relates to a kind of multifunctional metal piece bar automatic classification detection device. BACKGROUND

[0002] Metal piece bar is a long strip metal material, and has wide application in mechanical processing, manufacturing and construction industry and other fields.Metal piece bar is processed and manufactured, to ensure its safety and quality consistency, meet industry standard, improve production efficiency, prolong service life, need to carry out quality detection, through detection can early find and correct defect, avoid potential safety hazard and economic loss.

[0003] In prior art, metal piece bar detection, first manually place metal bar on jig, position metal piece bar by jig, then manually adjust the angle of metal piece bar on jig, for secondary dimension (two-dimensional image recognition and analysis using computer vision technology) recognition detection.

[0004] However, manually take and place metal bar, then manually adjust the angle of metal piece bar, increase the workload of staff, and positioning operation is more cumbersome for different length bars, detection efficiency is low, and detection cost is high. UTILITY MODEL CONTENT

[0005] The utility model provides a kind of multifunctional metal piece bar automatic classification detection device, the problem to be solved is: in prior art, metal piece bar detection, manually take and place metal bar, then manually adjust the angle of metal piece bar, increase the workload of staff, and positioning operation is more cumbersome for different length bars, detection efficiency is low, and detection cost is high.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of multifunctional metal piece bar automatic classification detection device, including mounting bracket, length detection mechanism is provided on mounting bracket, length detection mechanism includes support frame one, support frame one is fixedly set on mounting bracket, laser displacement sensor is fixedly set on support frame one, length detection mechanism further includes linear drive one and rotary drive one, the output shaft of linear drive one is provided with push material ejector rod one, the output shaft of rotary drive one is provided with limit seat one, support frame one is placed with the workpiece to be measured, the workpiece to be measured is located between push material ejector rod one and limit seat one;

[0007] The mounting frame is provided with an axle end flat position detection mechanism, the axle end flat position detection mechanism comprises a support frame two, the support frame two is fixedly arranged on the mounting frame, a plurality of positioning bearings one are rotationally arranged on the support frame two, and the corresponding two positioning bearings one are used for supporting the workpiece to be detected, the mounting frame is slidably provided with a detection camera one and a detection camera two, the detection camera one moves along the length direction of the workpiece to be detected and detects the workpiece to be detected, and the detection camera two is used for detecting the end of the workpiece to be detected.

[0008] The mounting frame is provided with a mandrel slot position detection mechanism, the mandrel slot position detection mechanism comprises a support frame three, a plurality of positioning bearings two are rotationally arranged on the support frame three, and the corresponding two positioning bearings two are used for supporting the workpiece to be detected, a backlight plate is fixedly arranged on the support frame three, and the mounting frame is slidably provided with a detection camera three.

[0009] The mounting frame is provided with a feeding mechanism, the feeding mechanism comprises a linear guide rail five, a clamping pneumatic seat is slidably arranged on the linear guide rail five, two clamping jaws are slidably arranged on the clamping pneumatic seat, and the clamping jaws are used for clamping the workpiece to be detected.

[0010] In a preferred embodiment, the length detection mechanism further comprises a linear driver one, the linear driver one is fixedly arranged on the support frame one, a linear guide rail one is fixedly arranged on the mounting frame, a lead screw one is fixedly arranged on the output shaft of the rotary driver one, a limiting seat one is threadedly connected with the lead screw one, and the limiting seat one is slidably arranged on the linear guide rail one.

[0011] In a preferred embodiment, the support frame two is fixedly provided with a linear driver two, a top material blocking seat is fixedly arranged on the output shaft of the linear driver two, a rotary driver two is fixedly arranged on the support frame two, two winding wheels one are rotationally arranged on the support frame two, the same transmission belt one is rotationally arranged on the two winding wheels one, the output shaft of the rotary driver two is fixedly arranged on the winding wheel one, and the transmission belt one is in transmission with the corresponding positioning bearing one.

[0012] In a preferred embodiment, the mounting frame is fixedly provided with a linear guide rail two, the mounting frame is further fixedly provided with a rotary driver three, a lead screw two is fixedly arranged on the output shaft of the rotary driver three, a limiting seat two is threadedly connected with the lead screw two, the limiting seat two is slidably arranged on the linear guide rail two, the support frame two is slidably provided with a linear driver three, the detection camera two is fixedly arranged on the output shaft of the linear driver three, the support frame two is fixedly provided with a linear driver four, and the output shaft of the linear driver four is fixedly arranged on the linear driver three.

[0013] In one preferred implementation, a plurality of main shafts are rotationally arranged on the support frame three, a same transmission belt two is rotationally arranged on the plurality of main shafts, the transmission belt two is rotationally arranged with the positioning bearing two, a linear guide rail three and a rotary driver four are fixedly arranged on the mounting frame, a screw rod three is fixedly arranged on the output shaft of the rotary driver four, an auxiliary frame is threadedly connected to the screw rod three, the auxiliary frame is slidingly arranged on the linear guide rail three, a rotary driver five and a linear guide rail four are fixedly arranged on the mounting frame, a screw rod four is fixedly arranged on the output shaft of the rotary driver five, and the detection camera three is threadedly connected to the screw rod four.

[0014] In one preferred implementation, a horizontal plate is fixedly arranged on the top of the mounting frame, the linear guide rail five is fixedly arranged on the bottom of the horizontal plate, a rotary driver six is fixedly arranged on the linear guide rail five, a screw rod five is fixedly arranged on the output shaft of the rotary driver six, an adjusting seat is threadedly connected to the screw rod five, the adjusting seat is slidingly arranged on the linear guide rail five, a linear driver five is fixedly arranged on the adjusting seat, a supporting seat is fixedly arranged on the output shaft of the linear driver five, and the clamping pneumatic seat is fixedly arranged on the supporting seat.

[0015] The utility model has the advantages of:

[0016] The utility model discloses a length detection mechanism is set up, and the end of the workpiece to be measured on the support frame one is positioned and detected with the limiting seat two and the top material blocking seat, and after the workpiece to be measured is transferred to the positioning bearing one surface on the support frame two, the workpiece to be measured is rotated by the rotary drive of the positioning bearing one, and the shaft end flat position of the workpiece to be measured is detected by the detection camera one and the detection camera two, finally, the slot of the workpiece to be measured is detected by the detection camera three after the workpiece to be measured is moved to the positioning bearing two on the support frame three, and the workpiece to be measured is automatically transferred by the clamping pneumatic seat, which reduces the work load of the staff, facilitates the detection of different size specifications of the bar, improves the detection efficiency and reduces the detection cost. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic view of the mounting frame of the utility model.

[0018] Figure 2 It is the three-dimensional structure schematic view of the laser displacement sensor of the utility model.

[0019] Figure 3 It is the three-dimensional structure schematic view of the rotary driver three of the utility model.

[0020] Figure 4 It is the three-dimensional structure schematic view of the linear driver two of the utility model.

[0021] Figure 5 It is the three-dimensional structure schematic view of the rotary driver five of the utility model.

[0022] Figure 6 It is a three-dimensional structure schematic view of the backlight plate.

[0023] Figure 7 It is a three-dimensional structure schematic view of the linear guide five.

[0024] Figure 8 It is a three-dimensional structure schematic view of the linear guide five.

[0025] The figure mark is: 1, mounting frame;2, length detection mechanism;21, laser displacement sensor;22, linear driver one;23, pushing material ejector rod one;24, limit seat one;25, linear guide one;26, screw one;27, rotating driver one;3, shaft end flat position detection mechanism;31, linear driver two;32, material blocking seat;33, rotating driver two;34, positioning bearing one;35, detection camera one;36, limit seat two;37, detection camera two;38, linear driver three;39, linear driver four;310, linear guide two;311, screw two;312, rotating driver three;4, mandrel slot position detection mechanism;41, main shaft;42, positioning bearing two;43, screw three;44, linear guide three;45, rotating driver four;46, rotating driver five;47, screw four;48, linear guide four;49, backlight plate;410, detection camera three;5, feeding mechanism;51, clamping pneumatic seat;52, linear driver five;53, rotating driver six;54, screw five;55, linear guide five;56, hand wheel. DETAILED DESCRIPTION

[0026] The following further describes the present application in detail with reference to the drawings. It is necessary to point out that the following detailed description is only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application according to the above application content.

[0027] Refer to the description attached Figures 1 to 8 A multifunctional metal piece bar automatic classification detection device, including mounting frame 1, the mounting frame 1 is provided with length detection mechanism 2, length detection mechanism 2 includes support frame one, support frame one is fixedly arranged on mounting frame 1, laser displacement sensor 21 is fixedly arranged on support frame one, length detection mechanism 2 further includes linear driver one 22 and rotating driver one 27, the output shaft of linear driver one 22 is provided with pushing material ejector rod one 23, the output shaft of rotating driver one 27 is provided with limit seat one 24, support frame one is placed with the workpiece to be measured, the workpiece to be measured is located between pushing material ejector rod one 23 and limit seat one 24;

[0028] The mounting frame 1 is provided with an axle end flat position detection mechanism 3, the axle end flat position detection mechanism 3 comprises a support frame two, the support frame two is fixedly arranged on the mounting frame 1, a plurality of positioning bearings one 34 are rotationally arranged on the support frame two, the corresponding two positioning bearings one 34 are used for supporting the workpiece to be detected, the mounting frame 1 is slidably provided with a detection camera one 35 and a detection camera two 37, the detection camera one 35 moves along the length direction of the workpiece to be detected and detects the workpiece to be detected, and the detection camera two 37 is used for detecting the end of the workpiece to be detected.

[0029] The mounting frame 1 is provided with a mandrel slot position detection mechanism 4, the mandrel slot position detection mechanism 4 comprises a support frame three, a plurality of positioning bearings two 42 are rotationally arranged on the support frame three, the corresponding two positioning bearings two 42 are used for supporting the workpiece to be detected, and a backlight plate 49 is fixedly arranged on the support frame three; the mounting frame 1 is slidably provided with a detection camera three 410.

[0030] The mounting frame 1 is provided with a feeding mechanism 5, the feeding mechanism 5 comprises a linear guide rail five 55, a clamping pneumatic seat 51 is slidably arranged on the linear guide rail five 55, and two clamping jaws are slidably arranged on the clamping pneumatic seat 51; the clamping jaws are used for clamping the workpiece to be detected.

[0031] It should be noted that the workpiece to be detected is a metal frame bar. The detection camera collects image information of the workpiece to be detected, and the computer processes the collected image information to achieve the effect of detecting the workpiece to be detected. As a mature prior art, it will not be described in detail here. A conveying line is arranged beside the mounting frame 1, the conveying line is used for conveying the workpiece to be detected for clamping by the clamping jaws on the clamping pneumatic seat 51. As a mature prior art, it will not be described in detail here.

[0032] The specific implementation scene is as follows: the workpiece to be detected is placed on the support frame one, then the pushing top rod one 23 and the limiting seat one 24 are driven to approach each other, the pushing top rod one 23 and the limiting seat one 24 are in contact with the end of the workpiece to be detected, the workpiece to be detected is positioned, the laser displacement sensor 21 identifies the distance between the pushing top rod one 23, detects the length of the workpiece to be detected, and then reflects whether the length change of the workpiece to be detected is within the set size tolerance range, then the clamping jaws on the clamping pneumatic seat 51 clamp the workpiece to be detected on the positioning bearing one 34 of the support frame two, the positioning bearing one 34 is driven to rotate to achieve the effect of driving the workpiece to be detected to rotate, then the rotating driver two 33 and the detection camera two 37 are used for identifying and detecting the end of the workpiece to be detected, finally the clamping pneumatic seat 51 transfers the workpiece to be detected to the positioning bearing two 42 of the support frame three, the positioning bearing two 42 drives the workpiece to rotate, the backlight plate 49 is started to improve the brightness of the surface of the workpiece to be detected, and the detection camera three 410 is driven to move horizontally to identify and detect the slot on the workpiece to be detected.

[0033] Referring to the drawings Figure 1 With Figure 2, in order to facilitate the positioning and measurement according to different length of workpiece to be measured, specifically, length detection mechanism 2 further comprises linear driver one 22, linear driver one 22 is fixedly arranged on support frame one, linear guide one 25 is fixedly arranged on mounting frame 1, screw rod one 26 is fixedly arranged on the output shaft of rotary driver one 27, limiting seat one 24 is threadedly connected with screw rod one 26, limiting seat one 24 is slidably arranged on linear guide one 25.

[0034] It should be noted that the rotary driver one 27 is arranged as a motor, the output shaft of the motor is fixedly arranged with the screw rod one 26, and the linear driver one 22 is arranged as a cylinder, the output shaft of the cylinder is fixedly arranged with the pushing top rod one 23.

[0035] It should be noted that the workpiece to be measured is placed on the support frame one, the end of the workpiece to be measured is limited by the pushing top rod one 23, the rotary driver one 27 is started, the rotary driver one 27 output shaft drives the screw rod one 26 to rotate, the screw rod one 26 drives the limiting seat one 24 to move towards the workpiece to be measured, and the end of the workpiece to be measured is limited by the cooperation of the pushing top rod one 23 and the limiting seat one 24, which can be self-adaptively adjusted and positioned for different length of workpiece to be measured.

[0036] Referring to the drawings Figure 3 With Figure 4 , in order to facilitate complete and comprehensive detection of the workpiece to be measured, specifically, linear driver two 31 is fixedly arranged on support frame two, top material blocking seat 32 is fixedly arranged on the output shaft of linear driver two 31, rotary driver two 33 is fixedly arranged on support frame two, two winding wheels one are rotatably arranged on support frame two, the same transmission belt one is drivingly arranged on the two winding wheels one, the output shaft of rotary driver two 33 is fixedly arranged with winding wheel one, and transmission belt one is drivingly arranged with corresponding positioning bearing one 34. Linear guide two 310 is fixedly arranged on mounting frame 1, rotary driver three 312 is also fixedly arranged on mounting frame 1, screw rod two 311 is fixedly arranged on the output shaft of rotary driver three 312, limiting seat two 36 is threadedly connected with screw rod two 311, limiting seat two 36 is slidably arranged on linear guide two 310, linear driver three 38 is slidably arranged on support frame two, detection camera two 37 is fixedly arranged on the output shaft of linear driver three 38, linear driver four 39 is fixedly arranged on support frame two, and the output shaft of linear driver four 39 is fixedly arranged with linear driver three 38.

[0037] It should be noted that the shaft end flat position detection mechanism 3 is to detect the shape accuracy of the end of the measured part, especially to check whether the end of the measured part is deformed into an ellipse or a flat state from the originally designed circular cross section. Such deformation may be caused by errors in the machining process, internal stress release of the material, improper use or other mechanical stress. The linear driver two 31 is provided as a cylinder, the rotary driver two 33 is provided as a motor, the linear driver three 38 and the linear driver four 39 are both provided as cylinders, and the rotary driver three 312 is provided as a motor. The connecting seat is slidably arranged on the linear driver two 31, the connecting seat is threadedly connected with the screw rod two 311, and the limiting seat two 36 is fixedly arranged on the connecting seat.

[0038] It should be further noted that the measured workpiece is placed on the support frame two, the linear driver two 31 and the rotary driver three 312 are started, the rotary drive screw rod two 311 of the output shaft of the rotary driver three 312 is rotated, the rotary drive limiting seat two 36 of the screw rod two 311 is moved, the output shaft of the linear driver two 31 drives the material ejecting seat 32 to move, and the linear driver two 31 and the material ejecting seat 32 position the measured workpiece. Then start the rotary driver two 33, the rotation of the output shaft of the rotary driver two 33 drives the positioning bearing one 34 to rotate through the winding wheel one and the transmission belt one, the rotation of the positioning bearing one 34 drives the measured workpiece to rotate, and then the detection camera one 35 and the detection camera two 37 detect the measured workpiece. The movement of the output shaft of the linear driver three 38 and the linear driver four 39 is used to drive the horizontal movement of the detection camera two 37, so as to adjust the position of the detection camera two 37 and further improve the detection accuracy.

[0039] Referring to the drawings Figure 5 With Figure 6 In order to facilitate the detection of the groove position on the workpiece to be machined, specifically, a plurality of main shafts 41 are rotatably arranged on the support frame three, a same transmission belt two is movably arranged on the plurality of main shafts 41, the transmission belt two is movably arranged with the positioning bearing two 42, the mounting frame 1 is fixedly provided with a linear guide rail three 44 and a rotary driver four 45, a screw rod three 43 is fixedly arranged on the output shaft of the rotary driver four 45, an auxiliary frame is threadedly connected with the screw rod three 43, and the auxiliary frame is slidably arranged on the linear guide rail three 44. The mounting frame 1 is fixedly provided with a rotary driver five 46 and a linear guide rail four 48, a screw rod four 47 is fixedly arranged on the output shaft of the rotary driver five 46, and a detection camera three 410 is threadedly connected with the screw rod four 47.

[0040] It should be noted that the rotary driver four 45 and the rotary driver five 46 are both provided as motors, and a motor is also fixedly arranged on the support frame three. The output shaft of the motor is fixedly arranged with the main shaft 41.

[0041] It also needs to be explained that the workpiece to be tested is placed on the support frame three, the rotation of the motor output shaft drives the main shaft 41 to rotate, the rotation of the main shaft 41 drives the positioning bearing two 42 to rotate through the transmission belt two, the rotation of the positioning bearing two 42 drives the workpiece to be tested to rotate, the backlight plate 49 can improve the brightness, then start the rotary drive five 46, the rotation of the output shaft of the rotary drive five 46 drives the detection camera three 410 to move horizontally, realizes the effect of adjusting the horizontal movement of the detection camera three 410, and the detection camera three 410 cooperates with the backlight plate 49 to detect the slot position on the workpiece to be tested.

[0042] Referring to the description of the drawings Figure 7 With Figure 8 , in order to facilitate the automatic clamping and transfer of the workpiece to be tested, specifically, the top of the mounting frame 1 is fixedly provided with a horizontal plate, a linear guide rail five 55 is fixedly arranged at the bottom of the horizontal plate, a rotary drive six 53 is fixedly arranged on the linear guide rail five 55, a screw rod five 54 is fixedly arranged on the output shaft of the rotary drive six 53, an adjusting seat is threadedly connected on the screw rod five 54, the adjusting seat is slidingly arranged on the linear guide rail five 55, a linear drive five 52 is fixedly arranged on the adjusting seat, a support seat is fixedly arranged on the output shaft of the linear drive five 52, and a clamping pneumatic seat 51 is fixedly arranged on the support seat.

[0043] It needs to be explained that the rotary drive six 53 is arranged as a motor, the screw rod five 54 is fixedly arranged on the output shaft of the motor, the linear drive five 52 is arranged as an air cylinder, the output shaft of the air cylinder is fixedly arranged with the support seat, an air inlet pipe is fixedly and communicatively arranged on the clamping pneumatic seat 51, one end of the air inlet pipe away from the clamping pneumatic seat 51 is fixedly and communicatively arranged with an air pump, and the clamping jaws on the clamping pneumatic seat 51 are slidingly arranged on the clamping pneumatic seat 51 by pneumatic control of the air pump.

[0044] It also needs to be explained that a threaded rod is rotatably arranged at the top of the horizontal plate, a hand wheel 56 is fixedly arranged on the threaded rod, and the linear guide rail five 55 is threadedly connected with the threaded rod.

[0045] In this embodiment, the support seat is driven to move downward by the movement of the output shaft of the linear drive five 52, the movement of the support seat drives the clamping pneumatic seat 51 to move, when the clamping pneumatic seat 51 reaches the specified height, the clamping jaws are clamped to the workpiece by pneumatic control of the air pump, after the clamping jaws clamp the workpiece, the support seat is reset by starting the linear drive five 52, then the rotary drive six 53 is started, the rotation of the output shaft of the rotary drive six 53 drives the screw rod five 54 to rotate, the rotation of the screw rod five 54 drives the adjusting seat to move horizontally, thereby realizing the effect of driving the clamping pneumatic seat 51 to move horizontally, and the workpiece to be tested on different workstations can be switched, the workpiece to be tested on the support frame one is clamped and placed on the support frame two, the workpiece to be tested on the support frame two is clamped and placed on the support frame three, the measured workpiece is removed, and the above steps are repeated, thereby realizing the grasping of the workpiece to be tested and the switching of the workstations.

[0046] The above embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several deformations and improvements can be made, which belong to the protection range of the utility model.

Claims

1. A multifunctional metal piece bar automatic classification detection device, characterized in that, Including the mounting frame (1), the length detection mechanism (2) is arranged on the mounting frame (1), the length detection mechanism (2) includes support frame one, the support frame one is fixedly arranged on the mounting frame (1), the laser displacement sensor (21) is fixedly arranged on the support frame one, the length detection mechanism (2) further includes linear driver one (22) and rotary driver one (27), the output shaft of linear driver one (22) is provided with push rod one (23), the output shaft of rotary driver one (27) is provided with limit seat one (24), the support frame one is placed with the workpiece to be measured, and the workpiece to be measured is located between push rod one (23) and limit seat one (24); The shaft end flat position detection mechanism (3) is arranged on the mounting frame (1), the shaft end flat position detection mechanism (3) includes support frame two, the support frame two is fixedly arranged on the mounting frame (1), a plurality of positioning bearings one (34) are rotatably arranged on the support frame two, corresponding two positioning bearings one (34) are used to support the workpiece to be measured, the detection camera one (35) and the detection camera two (37) are slidably arranged on the mounting frame (1), the detection camera one (35) moves along the length direction of the workpiece to be measured and detects the workpiece to be measured, and the detection camera two (37) is used to detect the end of the workpiece to be measured; The mandrel slot position detection mechanism (4) is arranged on the mounting frame (1), the mandrel slot position detection mechanism (4) includes support frame three, a plurality of positioning bearings two (42) are rotatably arranged on the support frame three, corresponding two positioning bearings two (42) are used to support the workpiece to be measured, and the backplane (49) is fixedly arranged on the support frame three, the detection camera three (410) is slidably arranged on the mounting frame (1); The feeding mechanism (5) is arranged on the mounting frame (1), the feeding mechanism (5) includes linear guide rail five (55), the clamping pneumatic seat (51) is slidably arranged on the linear guide rail five (55), two clamping jaws are slidably arranged on the clamping pneumatic seat (51), and the clamping jaws are used to clamp the workpiece to be measured.

2. The multifunctional metal piece rod automatic classification detection device according to claim 1, characterized in that: The length detection mechanism (2) further includes linear driver one (22), the linear driver one (22) is fixedly arranged on the support frame one, the mounting frame (1) is fixedly provided with linear guide rail one (25), the output shaft of the rotary driver one (27) is fixedly provided with the lead screw one (26), the limit seat one (24) is threadedly connected with the lead screw one (26), and the limit seat one (24) is slidably arranged on the linear guide rail one (25).

3. The multifunctional metal piece rod automatic classification detection device according to claim 2, characterized in that: The linear driver two (31) is fixedly arranged on the support frame two, the output shaft of the linear driver two (31) is fixedly provided with the material blocking seat (32), the rotary driver two (33) is fixedly arranged on the support frame two, two winding wheels one are rotatably arranged on the support frame two, the same transmission belt one is drivenly arranged on the two winding wheels one, the output shaft of the rotary driver two (33) is fixedly arranged with the winding wheel one, and the transmission belt one is drivingly arranged with the corresponding positioning bearing one (34).

4. The multifunctional metal piece rod automatic classification detection device according to claim 3, characterized in that: The mounting frame (1) is fixedly provided with a linear guide rail two (310), and is also fixedly provided with a rotating driver three (312), the output shaft of the rotating driver three (312) is fixedly provided with a screw rod two (311), the screw rod two (311) is threadedly connected with a limiting seat two (36), the limiting seat two (36) is slidably arranged on the linear guide rail two (310), the supporting frame two is slidably provided with a linear driver three (38), the detection camera two (37) is fixedly arranged on the output shaft of the linear driver three (38), the supporting frame two is fixedly provided with a linear driver four (39), and the output shaft of the linear driver four (39) is fixedly arranged with the linear driver three (38).

5. The multifunctional metal piece rod automatic classification detection device according to claim 4, characterized in that: A plurality of main shafts (41) are rotatably arranged on the supporting frame three, a same transmission belt two is drivenly arranged on the plurality of main shafts (41), the transmission belt two is drivenly arranged with a positioning bearing two (42), the mounting frame (1) is fixedly provided with a linear guide rail three (44) and a rotating driver four (45), the output shaft of the rotating driver four (45) is fixedly provided with a screw rod three (43), the screw rod three (43) is threadedly connected with an auxiliary frame, the auxiliary frame is slidably arranged on the linear guide rail three (44), the mounting frame (1) is fixedly provided with a rotating driver five (46) and a linear guide rail four (48), the output shaft of the rotating driver five (46) is fixedly provided with a screw rod four (47), and the detection camera three (410) is threadedly connected with the screw rod four (47).

6. The multifunctional metal piece rod automatic classification and detection device according to claim 5, characterized in that: The top of the mounting frame (1) is fixedly provided with a horizontal plate, the linear guide rail five (55) is fixedly arranged at the bottom of the horizontal plate, the rotating driver six (53) is fixedly arranged on the linear guide rail five (55), the output shaft of the rotating driver six (53) is fixedly provided with a screw rod five (54), the screw rod five (54) is threadedly connected with an adjusting seat, the adjusting seat is slidably arranged on the linear guide rail five (55), the linear driver five (52) is fixedly arranged on the adjusting seat, the output shaft of the linear driver five (52) is fixedly provided with a supporting seat, and the clamping pneumatic seat (51) is fixedly arranged on the supporting seat.