阅读说明：本技术 一种销钉质量检测设备 (Pin quality detection equipment ) 是由 徐晓刚 洪海军 于 2021-04-09 设计创作，主要内容包括：本发明涉及销钉质量检测领域,具体是一种销钉质量检测设备,包括配电箱,配电箱的顶部通过螺栓安装有放置箱,放置箱的顶部通过螺栓安装有检测箱,检测箱的顶部通过螺栓安装有电动伸缩杆一和液压伸缩杆,检测箱的内部焊接有隔板,电动伸缩杆一的输出端通过螺栓安装有升降板,升降板的底部通过螺栓安装有防护壳,防护壳的内部通过螺栓安装有驱动电机。本发明的有益效果能对销钉外表面的平整度进行检测,能够对销钉的直径进行检测,不仅能够对销钉的高度进行测量,能够对销钉的抗压能力进行检测,能检测销钉的抗压能力的强度,同时能够在销钉在抗压检测时发生变形的程度进行检测,提高使用销钉质量检测设备的多功能性。(The invention relates to the field of pin quality detection, in particular to pin quality detection equipment which comprises a distribution box, wherein a placing box is installed at the top of the distribution box through a bolt, a detection box is installed at the top of the placing box through a bolt, an electric telescopic rod I and a hydraulic telescopic rod are installed at the top of the detection box through bolts, a partition plate is welded inside the detection box, a lifting plate is installed at the output end of the electric telescopic rod I through a bolt, a protective shell is installed at the bottom of the lifting plate through a bolt, and a driving motor is installed inside the protective shell through a bolt. The pin quality detection device has the advantages that the flatness of the outer surface of the pin can be detected, the diameter of the pin can be detected, the height of the pin can be measured, the compression resistance of the pin can be detected, the strength of the compression resistance of the pin can be detected, the degree of deformation of the pin during compression resistance detection can be detected, and the versatility of the pin quality detection device is improved.)

1. A pin quality detection device, its characterized in that: the detection device comprises a distribution box (1), a placement box (2) is installed at the top of the distribution box (1) through bolts, a detection box (3) is installed at the top of the placement box (2) through bolts, a first electric telescopic rod (4) and a hydraulic telescopic rod (5) are installed at the top of the detection box (3) through bolts, a partition plate (19) is welded inside the detection box (3), a lifting plate (20) is installed at the output end of the first electric telescopic rod (4) through bolts, a protective shell (21) is installed at the bottom of the lifting plate (20) through bolts, a driving motor (22) is installed inside the protective shell (21) through bolts, a rotating disc (23) is installed at the output end of the driving motor (22) through bolts, a detection mechanism (24) is installed at the bottom of the rotating disc (23) through bolts, a first distance sensor (25) is installed between the lifting plate (20) and the detection box (3) through bolts, the detection mechanism (24) comprises an installation rod (36), an electric telescopic rod III (38) is installed on one side of the installation rod (36) through a bolt, an electronic dial indicator (37) is installed on the output end of the electric telescopic rod III (38) through a bolt, a probe (42) is arranged at the bottom of the electronic dial indicator (37), a distance sensor III (39) is arranged between the installation rod (36) and the electronic dial indicator (37), a lifting frame (28) is installed on the output end of the hydraulic telescopic rod (5) through a bolt, a pressure sensor (29) is arranged inside the lifting frame (28), a connecting rod (33) is welded at the bottom of the lifting frame (28), a pressure rod (34) is welded at the bottom end of the connecting rod (33), a pressure head (35) is arranged at the bottom of the pressure rod (34), and a distance sensor II (30) is arranged between the top of the lifting frame (28) and the detection box (3), the controller (7) is installed through the bolt in one side of detection case (3), display screen (8) are installed through the bolt in the front of controller (7).

2. A pin quality detection apparatus according to claim 1, wherein: the back of placing case (2) is installed electric telescopic handle two (6) through the bolt, rack (14) are installed through the bolt to the output of electric telescopic handle two (6), open in the front of placing case (2) has sliding tray (13), and rack (14) slide in the inside of sliding tray (13), open at the top of rack (14) has standing groove (18), the inside of standing groove (18) is provided with joint board (45).

3. A pin quality detection apparatus according to claim 1, wherein: the top of the detection box (3) is provided with a first guide hole (26), the top of the lifting plate (20) is welded with a first guide rod (27), and the first guide rod (27) is inserted into the first guide hole (26) in a sliding mode.

4. A pin quality detection apparatus according to claim 1, wherein: both sides of block terminal (1) all are provided with ventilative bars (9), supporting leg (10) are installed through the bolt in the bottom of block terminal (1), the front of block terminal (1) is rotated through the hinge and is installed chamber door (11), one side of chamber door (11) is provided with handle (12).

5. A pin quality detection apparatus according to claim 1, wherein: the top of the detection box (3) is provided with a second guide hole (31), the top of the lifting frame (28) is welded with a second guide rod (32), and the second guide rod (32) is inserted in the second guide hole (31) in a sliding mode.

6. A pin quality detection apparatus according to claim 1, wherein: the front of the detection box (3) is rotatably connected with a second box door (15) through a hinge, an observation window (16) is embedded into the front of the second box door (15), and a warning lamp (17) is installed at the top of the detection box (3) through a bolt.

7. A pin quality detection apparatus according to claim 1, wherein: threaded holes (40) are formed in one side of the clamping plate (45), a forward and reverse rotating motor (46) is installed in the placing frame (14) through bolts, a threaded rod (41) is welded at the output end of the forward and reverse rotating motor (46), and the threaded rod (41) is in threaded connection with the inside of the threaded holes (40).

8. A pin quality detection apparatus according to claim 1, wherein: the output ends of the first distance sensor (25), the second distance sensor (30) and the third distance sensor (39) are electrically connected with the control end of the controller (7) through conducting wires, and the output ends of the electronic dial indicator (37) and the pressure sensor (29) are electrically connected with the control end of the controller (7) through conducting wires.

9. A pin quality detection apparatus according to claim 2, wherein: the back of the placing box (2) is provided with a fourth guide hole (43), one side of the placing rack (14) is welded with a fourth guide rod (44), and the fourth guide rod (44) is inserted in the fourth guide hole (43) in a sliding mode.

10. A pin quality detection apparatus according to claim 1, wherein: the output of controller (7) passes through the control end of electric lead and electric telescopic handle one (4), electric telescopic handle two (6), electric telescopic handle three (38), positive reverse motor (46) and hydraulic telescopic handle (5) and forms electric connection, the output of controller (7) passes through the electric lead and driving motor (22) control end formation electric connection, the output of controller (7) passes through the electric lead and display screen (8) and the input of warning light (17) form electric connection.

Technical Field

The invention relates to the field of pin quality detection, in particular to pin quality detection equipment.

Background

The pins are usually parts made of cylindrical wood, metal or other materials, in particular for fixing several separate objects together or as a support for one object to be suspended from another, and are thermal insulation pins provided with self-locking plates or nuts for fixing the insulation layer are arranged on the outer wall of the equipment or pipeline. The pin is in a cylindrical shape, one end of the pin is in a conical shape, the shape of the pin is similar to that of a bullet, the pin is one of common fasteners in modern mechanical equipment, and the diameter of the cylindrical surface is important data for distinguishing the specifications of the pin.

The Chinese patent No. CN111189421A provides a length detection device of a cylindrical pin and a detection method thereof, before detection, after the air pressure of a fixed value is given, the pressure reading of the cylindrical pin with the standard length and a pressure sensor is a certain interval value, when the pressure reading of the pin driven by a third air pressure rod and the pressure sensor after contact is not in the interval value, the detection result is unqualified, the operation is convenient, and the detection result is accurate; meanwhile, the clamping component can be driven to move by driving the horizontal moving component and the vertical moving component, the second air cylinder is driven, the second air pressure rod drives the second connecting block to move downwards, the clamping blocks are mutually closed to clamp the cylindrical pin, the detected cylindrical pin is placed in the slideway or the placing box according to the detection result, and meanwhile, the cylindrical pin to be detected is placed in the placing groove at the side end of the third air cylinder.

The existing pin quality detection equipment can only detect the pin unilaterally and cannot detect multiple quality indexes of the pin, the pin quality detection equipment does not have multiple functions, and the stability during pin detection is relatively poor, so that the research and development of the pin quality detection equipment are urgently needed.

Disclosure of Invention

The invention aims to provide pin quality detection equipment to solve the problems that the pin can be detected only in one direction and cannot be detected according to multiple quality indexes of the pin, the pin quality detection equipment is not multifunctional, and the stability during pin detection is relatively poor in the background technology.

The technical scheme of the invention is as follows: a pin quality detection device comprises a distribution box, wherein a placing box is installed at the top of the distribution box through bolts, a detection box is installed at the top of the placing box through bolts, an electric telescopic rod I and a hydraulic telescopic rod are installed at the top of the detection box through bolts, a partition plate is welded inside the detection box, a lifting plate is installed at the output end of the electric telescopic rod I through bolts, a protective shell is installed at the bottom of the lifting plate through bolts, a driving motor is installed inside the protective shell through bolts, a rotating disc is installed at the output end of the driving motor through bolts, a detection mechanism is installed at the bottom of the rotating disc through bolts, a first distance sensor is installed between the lifting plate and the detection box through bolts, the detection mechanism comprises an installation rod, a third electric telescopic rod is installed on one side of the installation rod through bolts, the utility model discloses a hydraulic pressure telescopic handle, including electric telescopic handle, hydraulic telescopic handle, crane, electronic percentage table, display screen, distance sensor three, hydraulic telescopic handle, distance sensor two, the controller is installed through the bolt to the output of electric telescopic handle three, the bottom of electronic percentage table is provided with the probe, be provided with distance sensor three between installation pole and the electronic percentage table, hydraulic telescopic handle's output passes through the bolt and installs the crane, the inside of crane is provided with pressure sensor, the welding of the bottom of crane has the connecting rod, the pressure pole is welded to the bottom of connecting rod, the bottom of pressure pole is provided with the pressure head, be provided with distance sensor two between the top of crane and the detection case, the controller is installed through the bolt to one side of detection case, the display screen is installed through the bolt in the front of controller.

Further, place the back of case and install electric telescopic handle two through the bolt, the rack is installed through the bolt to electric telescopic handle two's output, it has the sliding tray to place the openly of case to open, and the rack slides in the inside of sliding tray, open at the top of rack has the standing groove, the inside of standing groove is provided with the joint board.

Furthermore, the top of the detection box is provided with a first guide hole, the top of the lifting plate is welded with a first guide rod, and the first guide rod is inserted into the first guide hole in a sliding mode.

Further, the both sides of block terminal all are provided with ventilative bars, the supporting leg is installed through the bolt in the bottom of block terminal, the front of block terminal is rotated through the hinge and is installed chamber door one, one side of chamber door one is provided with handle one.

Furthermore, the top of the detection box is provided with a second guide hole, the top of the lifting frame is welded with a second guide rod, and the second guide rod is inserted in the second guide hole in a sliding mode.

Furthermore, the front of the detection box is rotatably connected with a second box door through a hinge, an observation window is embedded in the front of the second box door, and a warning lamp is installed at the top of the detection box through a bolt.

Furthermore, threaded holes are formed in one side of the clamping plate, a forward and reverse rotating motor is installed in the placing frame through bolts, a threaded rod is welded at the output end of the forward and reverse rotating motor, and the threaded rod is in threaded connection with the inside of the threaded holes.

Furthermore, the output ends of the first distance sensor, the second distance sensor and the third distance sensor are electrically connected with the control end of the controller through conducting wires, and the output ends of the electronic dial indicator and the pressure sensor are electrically connected with the control end of the controller through conducting wires.

Furthermore, the back of the placing box is provided with a fourth guide hole, one side of the placing rack is welded with a fourth guide rod, and the fourth guide rod is slidably inserted into the fourth guide hole.

Further, the output end of the controller is electrically connected with the control ends of the electric telescopic rod I, the electric telescopic rod II, the electric telescopic rod III, the forward and reverse rotating motor and the hydraulic telescopic rod through the electric lead, the output end of the controller is electrically connected with the control end of the driving motor through the electric lead, and the output end of the controller is electrically connected with the input end of the display screen and the input end of the warning lamp through the electric lead.

The invention provides a pin quality detection device through improvement, and compared with the prior art, the pin quality detection device has the following improvements and advantages:

(1) through the electric telescopic handle that sets up one, the lifter plate, detection mechanism and driving motor, adopt electron percentage table and probe can detect the roughness of pin surface, electric telescopic handle can drive the lifter plate and go up and down, the lifter plate goes up and down to drive detection mechanism and goes up and down, be convenient for adjust the height of electron percentage table and probe in the detection mechanism, thereby can the roughness of vertical detection pin surface, driving motor can drive the rotary disk and rotate, the rotary disk rotation can drive electron percentage table and probe and rotate around the pin, consequently, can detect the diameter of pin.

(2) Through the hydraulic telescoping rod that sets up, the crane, pressure sensor and distance sensor two and pressure head, hydraulic telescoping rod can drive the crane and remove, the pressure testing is carried out on the top of lifter electro-dynamic pressure head to the pin, can detect the compressive capacity of pin, adopt the intensity that pressure sensor can detect the compressive capacity of pin simultaneously, adopt distance sensor two, not only can highly measure the pin, the degree that can take place to warp when the compressive capacity detects the pin simultaneously detects, improve the multifunctionality that uses pin quality check out test set.

(3) Through the three electric telescopic handle and the three distance sensor that set up, three ability electric electronic percentage table of electric telescopic handle remove shifting out at the installation pole, not only be convenient for adjust the position that electronic percentage table bottom connects the probe, can satisfy the detection to different diameter pin outside roughness simultaneously, and distance sensor can detect the distance that electronic percentage table removed, improves the accuracy of adjusting the electronic percentage table position.

(4) Through the electric telescopic handle two that sets up, the rack, positive reverse motor and joint board, electric telescopic handle two can drive the rack back-and-forth movement in the inside of sliding tray, be convenient for remove the inside of placing the case to the pin of placing in the standing groove, the pin of being convenient for simultaneously shifts out places the case, improve the convenience to placing the pin, adopt positive reverse motor 46 energy band to move threaded rod 41 and rotate, threaded rod 41 rotates and can drive the joint board at threaded hole 40 and remove, two relative movement's joint board 45 can carry out the centre gripping to the pin of placing in standing groove 18, the stability of time measuring is examined to the improvement pin.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a schematic perspective view of the placement trough of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic diagram of the structure of a probe of the present invention;

fig. 5 is a schematic top view of the standing groove of the present invention;

fig. 6 is a schematic view of the interior of the standing groove of the present invention;

fig. 7 is a controller control schematic of the present invention.

Description of reference numerals:

1 distribution box, 2 placing boxes, 3 detection boxes, 4 electric telescopic rods I, 5 hydraulic telescopic rods, 6 electric telescopic rods II, 7 controllers, 8 display screens, 9 ventilating bars, 10 supporting legs, 11 box doors I, 12 handles I, 13 sliding grooves, 14 placing frames, 15 box doors II, 16 observation windows, 17 warning lamps, 18 placing grooves, 19 partition plates, 20 lifting plates, 21 protective shells, 22 driving motors and 23 rotating discs, the device comprises a 24 detection mechanism, a 25 distance sensor I, a 26 guide hole I, a 27 guide rod I, a 28 lifting frame, a 29 pressure sensor, a 30 distance sensor II, a 31 guide hole II, a 32 guide rod II, a 33 connecting rod, a 34 pressure rod, a 35 pressure head, a 36 mounting rod, a 37 electronic dial indicator, a 38 electric telescopic rod III, a 39 distance sensor, a 40 threaded rod, a 41 threaded hole, a 42 probe, a 43 guide hole IV, a 44 guide rod IV, a 45 clamping plate and a 46 forward and reverse rotation motor.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a pin quality detection device through improvement, as shown in figures 1-7, the pin quality detection device comprises a distribution box 1, a placing box 2 is installed at the top of the distribution box 1 through bolts, a detection box 3 is installed at the top of the placing box 2 through bolts, an electric telescopic rod 4 and a hydraulic telescopic rod 5 are installed at the top of the detection box 3 through bolts, the electric telescopic rod 4 can drive a lifting plate 20 to lift, a partition plate 19 is welded inside the detection box 3, a lifting plate 20 is installed at the output end of the electric telescopic rod 4 through bolts, the lifting plate 20 can drive a detection mechanism 24 to lift, the heights of an electronic dial indicator 37 and a probe 42 in the detection mechanism 24 can be conveniently adjusted, the flatness of the outer surface of a pin can be vertically detected, a protective shell 21 is installed at the bottom of the lifting plate 20 through bolts, a driving motor 22 is installed inside the protective shell 21 through bolts, the driving motor 22 can drive the rotating disc 23 to rotate, the output end of the driving motor 22 is provided with the rotating disc 23 through a bolt, the rotating disc 23 can drive the electronic dial indicator 37 and the probe 42 to rotate around the pin through rotation, the diameter of the pin can be detected, the bottom of the rotating disc 23 is provided with the detection mechanism 24 through a bolt, the distance sensor I25 is arranged between the lifting plate 20 and the detection box 3 through a bolt, the detection mechanism 24 comprises an installation rod 36, one side of the installation rod 36 is provided with an electric telescopic rod III 38 through a bolt, the output end of the electric telescopic rod III 38 is provided with the electronic dial indicator 37 through a bolt, the flatness of the outer surface of the pin can be detected by adopting the electronic dial indicator 37 and the probe 42, the probe 42 is arranged at the bottom of the electronic dial indicator 37, the distance sensor III 39 is arranged between the installation rod 36 and the electronic dial indicator 37, and the lifting frame 28 is arranged at the output end of the hydraulic telescopic rod 5 through a bolt, the hydraulic telescopic rod 5 can drive the lifting frame 28 to move, the electric pressure head 35 of the lifting frame 28 carries out pressure test on the top end of the pin and can detect the pressure resistance of the pin, the pressure sensor 29 is arranged inside the lifting frame 28, meanwhile, the pressure sensor 29 is adopted to detect the strength of the pressure resistance of the pin, the connecting rod 33 is welded at the bottom of the lifting frame 28, the pressure rod 34 is welded at the bottom end of the connecting rod 33, the pressure head 35 is arranged at the bottom of the pressure rod 34, the distance sensor II 30 is arranged between the top of the lifting frame 28 and the detection box 3, the distance sensor II 30 is adopted, not only can the height of the pin be measured, but also the deformation degree of the pin during pressure resistance detection can be detected, the multifunctional performance of pin quality detection equipment is improved, the controller 7 is installed on one side of the detection box 3 through a bolt, the display screen 8 is installed on the front side of the controller 7 through a bolt, the display screen 8 is used for displaying the detection data of the pin quality detection equipment on the pin.

Further, place the back of case 2 and install two 6 electric telescopic handle through the bolt, two 6 electric telescopic handle can drive rack 14 back-and-forth movement in the inside of sliding tray 13, be convenient for remove the inside of placing case 2 to the pin of placing in standing groove 18, rack 14 is installed through the bolt to the output of two 6 electric telescopic handle, it has sliding tray 13 to place the front of case 2, and rack 14 slides in the inside of sliding tray 13, it has standing groove 18 to open at the top of rack 14, the inside of standing groove 18 is provided with joint board 45.

Furthermore, the top of the detection box 3 is provided with a first guide hole 26, the top of the lifting plate 20 is welded with a first guide rod 27, the first guide rod 27 is inserted into the first guide hole 26 in a sliding mode, the first guide rod 27 can play a role in guiding the lifting plate 20 when the lifting plate 20 is lifted, and the stability of the lifting plate 20 when the lifting plate is lifted is improved.

Further, both sides of distribution box 1 all are provided with ventilative bars 9, and supporting leg 10 is installed through the bolt in distribution box 1's bottom, and supporting leg 10 is used for supporting distribution box 1's bottom, and distribution box 1's front is rotated through the hinge and is installed chamber door 11, and one side of chamber door 11 is provided with handle one 12, and chamber door 11 is convenient for open to handle one 12.

Furthermore, the top of the detection box 3 is provided with a second guide hole 31, the top of the lifting frame 28 is welded with a second guide rod 32, the second guide rod 32 is inserted in the second guide hole 31 in a sliding mode, the second guide rod 32 can play a role in guiding the lifting frame 28, and the lifting stability of the lifting frame 28 is improved.

Furthermore, the front of the detection box 3 is rotatably connected with a second box door 15 through a hinge, an observation window 16 is embedded in the front of the second box door 15, the observation window 16 is convenient for observing the internal working state of the detection box 3, and a warning lamp 17 is installed at the top of the detection box 3 through a bolt.

Further, open one side of joint plate 45 has threaded hole 40, positive and negative motor 46 is installed through the bolt in the inside of rack 14, the output welding of positive and negative motor 46 has threaded rod 41, and threaded rod 41 threaded connection is in the inside of threaded hole 40, positive and negative motor 46 can drive threaded rod 41 and rotate, threaded rod 41 rotates and can drive the joint plate removal in threaded hole 40, two relative movement's joint plate 45 can carry out the centre gripping to the pin of placing in standing groove 18, improve the stability that the pin detected time measuring.

Further, the output ends of the first distance sensor 25, the second distance sensor 30 and the third distance sensor 39 are electrically connected with the control end of the controller 7 through conductive wires, and the output ends of the electronic dial indicator 37 and the pressure sensor 29 are electrically connected with the control end of the controller 7 through conductive wires.

Furthermore, the back of the placing box 2 is provided with a fourth guide hole 43, one side of the placing frame 14 is welded with a fourth guide rod 44, the fourth guide rod 44 is inserted into the fourth guide hole 43 in a sliding mode, and the fourth guide rod 44 can guide the placing frame 14 to slide in the sliding groove 13.

Further, the output end of the controller 7 is electrically connected with the control ends of the electric telescopic rod I4, the electric telescopic rod II 6, the electric telescopic rod III 38, the forward and reverse rotation motor 46 and the hydraulic telescopic rod 5 through the electric lead, the output end of the controller 7 is electrically connected with the control end of the driving motor 22 through the electric lead, and the output end of the controller 7 is electrically connected with the input end of the display screen 8 and the input end of the warning lamp 17 through the electric lead.

The working principle is as follows: the pins are placed in the placing groove 18 in the placing rack 14, the forward and reverse rotating motor 46 is started, the forward and reverse rotating motor 46 drives the threaded rod 41 to rotate, the threaded rod 41 can drive the clamping plates to move in the threaded holes 40, the two clamping plates 45 which move relatively can clamp the pins placed in the placing groove 18, the stability of pin detection is improved, the electric telescopic rod II 6 is started, the electric telescopic rod II 6 can drive the placing rack 14 to move back and forth in the sliding groove 13, the pins placed in the placing groove 18 can be conveniently moved into the placing box 2, meanwhile, the pins can be conveniently moved out of the placing box 2, the convenience of pin placement is improved, the electric telescopic rod I4 is started, the electronic dial indicator 37 and the probe 42 can be used for detecting the flatness of the outer surfaces of the pins, the electric telescopic rod I4 can drive the lifting plate 20 to lift, the lifting plate 20 can drive the detection mechanism 24 to lift, the height of the electronic dial indicator 37 and the probe 42 in the detection mechanism 24 can be conveniently adjusted, so that the flatness of the outer surface of the pin can be vertically detected, the driving motor 22 can drive the rotating disc 23 to rotate, the rotating disc 23 can drive the electronic dial indicator 37 and the probe 42 to rotate around the pin, the diameter of the pin can be detected, the hydraulic telescopic rod 5 is started to pass through the arranged hydraulic telescopic rod 5, the hydraulic telescopic rod 5 can drive the lifting frame 28 to move, the electric pressure head 35 of the lifting frame 28 carries out pressure test on the top end of the pin, the pressure resistance capability of the pin can be detected, meanwhile, the pressure sensor 29 is adopted to detect the strength of the pressure resistance capability of the pin, the distance sensor two 30 is adopted, the height of the pin can be measured, the deformation degree of the pin during the pressure resistance detection can be detected, and the versatility of the pin quality detection equipment is improved, starting three 28 electric telescopic handle, three 28 electric telescopic handle can electronic percentage table 37 remove 36 shifting out of installation pole, not only be convenient for adjust the position of electronic percentage table 37 bottom connection probe 42, can satisfy the detection to different diameter pin outside roughness simultaneously, and distance sensor three 39 can detect the distance that electronic percentage table 37 removed, improves the accuracy of adjusting the 37 positions of electronic percentage table.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.