CN214537712U

CN214537712U - Double-end nut detects machine

Info

Publication number: CN214537712U
Application number: CN202121041097.2U
Authority: CN
Inventors: 杨立; 王有方
Original assignee: Ningbo Langcheng Intelligent Technology Co ltd
Current assignee: Ningbo Langcheng Intelligent Technology Co ltd
Priority date: 2021-05-15
Filing date: 2021-05-15
Publication date: 2021-10-29
Anticipated expiration: 2031-05-15

Abstract

The application relates to a double-head nut detection machine, which relates to the field of nut detection equipment and comprises a rotary platform, the rotary platform is provided with a mounting seat for placing a nut, the mounting seat is provided with a mounting groove for inserting the hexagonal block, the mount pad warp can be located first station, second station, third station, fourth station and fifth station in proper order after the rotary platform drive, still include the internal diameter detection device who corresponds with first station and be used for detecting nut internal diameter size, correspond with the second station be used for detecting the last logical rule detection device that the installation piece leads to the rule, correspond with the third station be used for detecting the last rule detection device that goes up the installation piece no-go rule, correspond with the fourth station be used for detecting down the lower logical rule detection device that the installation piece leads to the rule and correspond with the fifth station be used for detecting the lower no-go rule detection device that the installation piece no-go rule down. The method and the device have the effect of improving the efficiency of nut defect detection.

Description

Double-end nut detects machine

Technical Field

The application relates to the field of nut check out test set, especially to a double-end nut detects machine.

Background

Nuts are a common fastener and are widely used due to their good fastening and removability.

In the related art, there is a nut, as shown in fig. 1, which includes a hexagonal block 1, an upper mounting block 2 is disposed on one side of the hexagonal block 1, a lower mounting block 3 is disposed on the other side of the hexagonal block, and external threads are disposed on outer sidewalls of the upper mounting block 2 and the lower mounting block 3.

In the defect detection of the nuts, workers manually detect various data of the nuts, and the inventor thinks that the detection efficiency is low through manual detection, which is not beneficial to the production detection of the nuts, so that the design of equipment for detecting the defects of the nuts is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency when nut defect detects, this application provides a double-end nut detects machine.

The application provides a double-end nut detects machine adopts following technical scheme:

the utility model provides a double-end nut detects machine, includes rotary platform, the last mount pad that is used for placing the nut that is provided with of rotary platform, set up the mounting groove that supplies the hexagonal piece to peg graft on the mount pad, the mount pad warp can be located first station, second station, third station, fourth station and fifth station in proper order after the rotary platform drive, still include the internal diameter detection device who is used for detecting nut internal diameter size that corresponds with first station, correspond with the second station be used for detecting the last logical rule detection device of installing the piece logical rule, correspond with the third station be used for detecting the last stop gauge detection device of installing the piece no-go rule, correspond with the fourth station be used for detecting the lower logical rule detection device of installing the piece logical rule under and correspond with the fifth station be used for detecting the lower no-go gauge detection device of installing the piece no-go rule under.

By adopting the technical scheme, the nut to be detected is placed in the mounting seat on the first station, and the mounting groove radially limits the hexagonal block, so that the possibility that the nut falls out of the mounting seat in the moving process of the mounting seat is reduced; the inner diameter detection device can detect the inner diameter of the nut to judge whether the inner diameter of the nut is qualified, after the inner diameter detection device detects the nut, the rotating platform is rotated to enable the mounting seat to move to the second station to detect a go gauge of the mounting block, after the go gauge detection device detects the nut, the rotating platform is rotated to enable the mounting seat to move to the third station to detect a no-go gauge of the mounting block, after the no-go gauge detection device detects the nut, the rotating platform is rotated to enable the mounting seat to move to the fourth station to detect a go gauge of the mounting block, after the no-go gauge detection device detects the nut, the rotating platform is rotated to enable the mounting seat to move to the fifth station to detect the no-go gauge of the mounting block, and the nut detection machine improves the efficiency of workers in detecting the nut defects.

Optionally, the inner diameter detection device includes a first fixing frame, a light plate and a camera, the light plate is connected to the first fixing frame and located below the rotary platform, the camera is connected to the first fixing frame and located above the rotary platform, the camera and the light plate are arranged oppositely, and an output end of the camera is electrically connected to an external computer.

Through adopting above-mentioned technical scheme, when the mount pad at nut place was in first station, the light board of rotary platform below shines the nut, makes the light of light board jet out from the internal diameter of nut and gathered by the camera, and the camera carries out the analysis in transmitting the image of gathering to outside computer to judge whether qualified internal diameter of nut.

Optionally, the upper go gauge detection device comprises an upper go gauge head and a first driving mechanism used for driving the upper go gauge head to move and rotate, the upper go gauge detection device comprises an upper go gauge head and a second driving mechanism used for driving the upper go gauge head to move and rotate, the lower go gauge detection device comprises a lower go gauge head, a third driving mechanism used for driving the lower go gauge head to move and rotate and a first locking mechanism used for abutting against the upper mounting block, and the lower no-go gauge detection device comprises a lower go gauge head, a fourth driving mechanism used for driving the lower go gauge head to move and rotate and a second locking mechanism used for abutting against the upper mounting block.

By adopting the technical scheme, in the through gauge detection process of the upper mounting block, the first driving mechanism drives the upper through gauge head to be matched with the upper mounting block, if the upper through gauge head can be completely matched with the upper mounting block in a threaded manner, the upper mounting block is qualified, otherwise, the upper mounting block is unqualified; in the process of detecting the no-go gauge of the upper mounting block, the second driving mechanism drives the upper stop gauge head to be matched with the upper mounting block, if the number of turns of threaded connection between the upper through gauge head and the upper mounting block is greater than the specified number of turns, the no-go gauge of the upper mounting block is unqualified, otherwise, the no-go gauge of the upper mounting block is qualified; in the general gauge detection process of the lower mounting block, the third driving mechanism drives the lower general gauge head to be matched with the lower mounting block, the first locking mechanism tightly abuts against the upper mounting block to reduce the situation that the nut is jacked up, and at the moment, if the lower general gauge head can be completely matched with the lower mounting block in a threaded mode, the general gauge of the lower mounting block is qualified, otherwise, the general gauge of the lower mounting block is unqualified; in the process of detecting the no-go gauge of the lower mounting block, the fourth driving mechanism drives the lower no-go gauge head to be matched with the lower mounting block, the second locking mechanism tightly abuts against the upper mounting block at the moment to reduce the situation that the nut is jacked up, and if the number of turns of threaded connection between the lower through gauge head and the lower mounting block is greater than the specified number of turns, the no-go gauge of the lower mounting block is unqualified, otherwise, the no-go gauge is qualified.

Optionally, the first driving mechanism includes a second fixing frame, the second fixing frame is provided with a first cylinder, a piston rod of the first cylinder is provided with a movable plate, the movable plate is provided with a driving motor, the piston rod of the first cylinder and an output shaft of the driving motor are arranged in the same direction and are both perpendicular to the rotating platform, the upper gauge head is coaxially connected to the output shaft of the driving motor, the second fixing frame is provided with a fixed block, the fixed block is provided with a guide rod, the guide rod is arranged in parallel with the piston rod of the first cylinder, the movable plate is connected to the guide rod in a sliding manner, the guide rod is provided with a connecting block, the connecting block is provided with a displacement sensor, the displacement sensor is provided with a shell and a displacement rod, the displacement rod is connected to the shell in a sliding manner, the shell is fixedly connected to the connecting block, the end of the displacement rod is connected to the movable plate and the displacement rod is arranged in parallel with the guide rod, the output end of the displacement sensor is electrically connected with an external computer.

By adopting the technical scheme, when the upper go gauge head detects the go gauge of the upper mounting block, the first cylinder and the driving motor are started simultaneously, the piston rod of the first cylinder drives the moving plate to move downwards, at the moment, the driving motor moves downwards along with the moving plate and drives the output shaft of the driving motor to rotate, so that the upper go gauge head connected to the output shaft of the driving motor can rotate to approach the upper mounting block, and the upper go gauge head can detect the go gauge of the upper mounting block; in the moving process of the moving plate, the guide rod limits the moving plate in the radial direction so as to reduce the occurrence of the situation that the upper general gauge head cannot match the upper mounting block due to the deviation of the moving plate in the downward moving process; the displacement rod is driven to move in the moving process of the moving plate, the relative displacement is found between the displacement rod and the shell, the moving distance of the displacement rod is transmitted to an external computer through the output end of the displacement sensor, the threaded connection degree of the upper universal gauge head and the upper mounting block is judged through the moving distance of the displacement rod, and therefore whether the upper mounting block meets the qualified requirement of the universal gauge or not can be judged quickly.

Optionally, the mounting seat further comprises a feeding station, a waste station and a finished product station, the feeding station is located on the front side of the first station and used for storing the nuts to be detected, the waste station is located on the rear side of the fifth station and used for storing defective nuts, and the finished product station is located on the rear side of the waste station and used for storing qualified nuts.

By adopting the technical scheme, the nut to be detected is convenient to store due to the arrangement of the feeding station, so that when the nut with the detected inner diameter is moved to the second station, the nut to be detected can be moved to the first station for detection, the time for the inner diameter detection device to wait for the nut to be detected is reduced, and the operation efficiency is improved; the arrangement of the waste material station and the finished product station is convenient for dividing the nuts, so that the workers can treat the defective nuts.

Optionally, the nut feeding device further comprises a first conveyor belt corresponding to the feeding station and used for conveying the nuts to be detected and a first conveying mechanism for conveying the nuts on the first conveyor belt to the feeding station.

Through adopting above-mentioned technical scheme, the setting of first conveyer belt can be with the orderly transportation of nut to the position that is close to the material loading station, utilizes first transport mechanism can remove the nut on the first conveyer belt to the mount pad on the material loading station this moment to the realization is waited the nut and is removed and inspect on rotary platform.

Optionally, the nut feeding device further comprises a scrap rail corresponding to the scrap station and used for processing the defective nuts, and a second conveying mechanism for conveying the defective nuts on the scrap station to the scrap rail.

Through adopting above-mentioned technical scheme, second transport mechanism can take out and remove the nut that is in the waste material station and take the defect to the scrap rail on from rotary platform, makes the nut that takes the defect discharge from the scrap rail and collects to the staff carries out centralized processing to the nut that takes the defect.

Optionally, the device further comprises a second conveyor belt corresponding to the finished product station and used for conveying the qualified nuts, and a third conveying mechanism for conveying the qualified nuts on the finished product station to the second conveyor belt.

Through adopting above-mentioned technical scheme, qualified nut is in the finished product station under rotary platform's effect on, and third transport mechanism can take out qualified nut from rotary platform and remove to the second conveyer belt this moment, and qualified nut gets into next process along with the removal of second conveyer belt.

Optionally, the first conveying mechanism includes a third fixing frame, a second cylinder is arranged on the third fixing frame, a driving block is arranged at an end of the second cylinder, a clamping and transporting mechanism is connected to the driving block, the clamping and transporting mechanism includes a linear slide rail, a slide block sliding along the length direction of the linear slide rail, a third cylinder arranged on one side of the length direction of the linear slide rail, a fixing plate connected to the slide block, a clamping member arranged on the fixing plate and used for clamping a nut, and a travel switch arranged on one side of the linear slide rail far away from the third cylinder, the driving block is connected to the linear slide rail, a piston rod of the third cylinder is arranged along the length direction of the linear slide rail, a side wall of the fixing plate is connected to a piston rod of the third cylinder, the piston rod of the second cylinder and a clamping portion of the clamping member are both arranged downward, when the fixing plate is abutted against the travel switch, the third cylinder piston rod stops moving.

By adopting the technical scheme, the nut can be clamped by the clamping piece, the second air cylinder is started to withdraw the piston rod of the second air cylinder, the clamping and conveying mechanism moves upwards under the action of the second air cylinder, the nut moves upwards along with the clamping piece to leave the first conveyor belt, the third air cylinder is started, the piston rod of the third air cylinder extends to extrude the side wall of the clamping piece, so that the clamping piece moves towards the travel switch direction along the length direction of the linear slide rail, when the clamping piece abuts against the travel switch, the third air cylinder stops moving, the nut can be positioned above the mounting seat on the feeding station at the moment, the second air cylinder is continuously started to enable the piston rod of the second air cylinder to extend, the piston rod of the second air cylinder drives the clamping and transporting mechanism to move downwards, therefore, the nuts can be installed in the installation seats, and the nuts can be moved to the feeding station from the first conveyor belt.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the matching of the rotary platform and each detection device can carry out rapid detection on the nut so as to improve the efficiency of nut defect detection;

2. the arrangement of the displacement sensor enables the matching condition of the detection head and the nut to be judged through the moving distance of the displacement rod so as to quickly judge whether the nut go-no-go gauge is qualified or not;

3. the setting of travel switch can make the holder always move to the top of mount pad when moving on linear slideway to the nut is settled on the mount pad.

Drawings

Fig. 1 is a schematic view of a nut in the related art;

FIG. 2 is a schematic structural diagram of a double-headed nut detection machine according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a mounting base of an embodiment of the present application;

fig. 4 is a schematic structural view of a first transport mechanism and a first conveyor belt according to an embodiment of the present application;

FIG. 5 is a schematic structural view of a first transport mechanism of an embodiment of the present application;

FIG. 6 is a schematic structural diagram of an inner diameter detection device according to an embodiment of the present application;

FIG. 7 is a schematic structural diagram of an upper gauge detection device according to an embodiment of the present application;

FIG. 8 is a schematic structural diagram of an upper stop gauge detection apparatus according to an embodiment of the present application;

FIG. 9 is a schematic structural diagram of a lower gauge detection device according to an embodiment of the present application;

FIG. 10 is a schematic structural diagram of a lower no-go gauge detection apparatus according to an embodiment of the present application;

FIG. 11 is a schematic structural view of a second transport mechanism and waste guide of an embodiment of the present application;

fig. 12 is a schematic structural view of a third transport mechanism and a second conveyor belt according to an embodiment of the present application.

Description of reference numerals: 1. a hexagonal block; 2. an upper mounting block; 3. a lower mounting block; 4. a frame; 5. rotating the platform; 6. a mounting seat; 7. mounting grooves; 8. positioning holes; 9. a first support frame; 10. a first conveyor belt; 11. a feeding channel; 12. a stopper; 13. a first transport mechanism; 131. a third fixing frame; 132. a second cylinder; 133. a drive block; 134. a linear slide rail; 135. a slider; 136. a fixing plate; 137. a clamping member; 138. a third cylinder; 139. a travel switch; 14. an inner diameter detection means; 141. a first fixing frame; 142. a light plate; 143. a camera; 15. an upper go gauge detection device; 151. a head of the compass is opened upwards; 152. a second fixing frame; 153. a first cylinder; 154. moving the plate; 155. a drive motor; 156. a guide bar; 157. a fixed block; 158. connecting blocks; 159. a displacement sensor; 1591. a housing; 1592. a displacement rod; 16. an upper no-go gauge detection device; 161. an upper stop gauge head; 17. a lower go gauge detection device; 171. a head of a compass is connected downwards; 172. a fourth cylinder; 173. a fifth cylinder; 174. a propping block; 18. a lower no-go gauge detection device; 181. a lower gauge head; 19. a waste guide rail; 20. a second transport mechanism; 21. a second support frame; 22. a second conveyor belt; 23. and a third transport mechanism.

Detailed Description

The present application is described in further detail below with reference to figures 2-12.

The embodiment of the application discloses double-end nut detects machine. Referring to fig. 2 and 3, double-end nut detects machine includes frame 4 and rotary platform 5, has work platform in order to supply rotary platform 5 to place in frame 4, and rotary platform 5 drives through the rotating electrical machines of fixed connection in rotary platform 5 center, and rotary platform 5 is the light-passing board, and rotary platform 5's cross section is for circular and rotary platform 5 and work platform parallel. The mounting seat 6 is fixedly mounted on the rotary platform 5 through bolts, the mounting groove 7 for placing the hexagonal block 1 of the nut is formed in the upper surface of the mounting seat 6, the cross section shape and the size of the mounting groove 7 are the same as those of the hexagonal block 1, the bottom surface of the mounting groove 7 is provided with a positioning hole 8 for inserting the lower mounting block 3, the radial cross section shape of the positioning hole 8 is circular, the axis of the positioning hole 8 is the same straight line with the central line of the mounting groove 7, the positioning hole 8 penetrates through the rotary platform 5, and when the nut is mounted on the mounting seat 6, the nut is relatively stable in the rotating process of the rotary platform 5. The installation seat 6 can be sequentially positioned at a feeding station, a first station, a second station, a third station, a fourth station, a fifth station, a waste station and a finished product station through the driving of the rotating motor.

Referring to fig. 4, a first support frame 9 is fixedly mounted on the working platform through bolts, a first conveyor belt 10 parallel to the working platform is arranged on the first support frame 9, the upper surface of the first conveyor belt 10 is flush with the upper surface of the rotary platform 5, a rotating motor is arranged below the first conveyor belt 10, the rotating motor drives the first conveyor belt 10 to move through a chain, and the end of the first conveyor belt 10 faces the position of the feeding station. In order to improve the feeding efficiency of the first conveyor belt 10, two feeding channels 11 are arranged on the upper surface of the first conveyor belt 10, the two feeding channels 11 are not communicated, a stop block 12 is arranged at the end part, close to the feeding station, of the first conveyor belt 10, so that the nut cannot move continuously after moving to the end part of the first conveyor belt 10, the position of the nut to be fed is fixed, and when the former nut is taken down from the first conveyor belt 10, the latter nut can move to the position of the former nut.

Referring to fig. 5, in order to move the nuts on the first conveyor belt 10 (see fig. 4) to the feeding station, a first conveying mechanism 13 for conveying the nuts is provided on the work platform, and the first conveying mechanism 13 is located at the edge of the first conveyor belt 10. The first transportation mechanism 13 includes a third fixing frame 131, the third fixing frame 131 is fixedly mounted on the working platform through bolts, a second air cylinder 132 is fixed on the top of the third fixing frame 131 through bolts, and a piston rod of the second air cylinder 132 is arranged downward and perpendicular to the working platform. The end of the piston rod of the second cylinder 132 is welded with a driving block 133, the driving block 133 is cuboid, and a clamping and conveying mechanism is arranged at one end of the driving block 133 far away from the second cylinder 132.

The clamping and conveying mechanism comprises a linear slide rail 134, a sliding block 135, a fixing plate 136, a clamping piece 137, a third air cylinder 138 and a travel switch 139, the linear slide rail 134 is connected to one end, far away from the second air cylinder 132, of the driving block 133, the linear slide rail 134 is arranged in parallel with the working platform, and two ends of the linear slide rail 134 in the length direction are respectively located above the end portion of the first conveying belt 10 and above the feeding station. Slider 135 installs and to move along linear slide rail 134's length direction on linear slide rail 134, fixed plate 136 welds the one side of keeping away from second cylinder 132 on slider 135, fixed plate 136 and work platform parallel arrangement, holder 137 is two in the quantity of fixed plate 136 and holder 137 through bolt fixed mounting, the quantity of holder 137 equals with the quantity of material loading passageway 11 can, and the position of holder 137 aligns with material loading passageway 11 one by one, holder 137 can be electric clamping jaw also for pneumatic clamping jaw, the portion of snatching of holder 137 sets up downwards and is used for the clamping nut. The third cylinder 138 is located on one side of the linear slide rail 134, which is far away from the feeding station in the length direction, a piston rod of the third cylinder 138 extends and retracts in the length direction of the linear slide rail 134, and an end portion of the piston rod of the third cylinder 138 is welded to a side wall of the fixing plate 136. A travel switch 139 is arranged on the side of the linear slide rail 134 far away from the third air cylinder 138, the contact of the travel switch 139 is flush with the fixed plate 136, the travel switch 139 is used for controlling the stop of the third air cylinder 138, and when the travel switch 139 is pressed, the piston rod of the third air cylinder 138 stops moving.

When the nut on the first conveyor belt 10 needs to be moved to the feeding station, the third air cylinder 138 is started to enable the clamping piece 137 to move to the position above the nut on the first conveyor belt 10, the second air cylinder 132 is started to enable the piston rod of the second air cylinder 132 to extend, the clamping piece 137 is close to the nut, the clamping piece 137 is driven to start to enable the clamping piece 137 to clamp the nut, the second air cylinder 132 is restarted to enable the piston rod of the second air cylinder 132 to contract, the clamping piece 137 drives the nut to leave the first conveyor belt 10, the third air cylinder 138 is started again to enable the piston rod of the third air cylinder 138 to push the fixing plate 136 to move towards the stroke switch 139, the fixing plate 136 drives the clamping piece 137 to move towards the other end of the linear slide rail 134, when the fixing plate 136 touches the stroke switch 139, the piston rod of the third air cylinder 138 stops moving, and at the moment, the second air cylinder 132 is driven to enable the nut to move downwards to the feeding station.

Referring to fig. 6, in order to detect whether the inner diameter of the nut at the first station is qualified, an inner diameter detection device 14 corresponding to the first station is disposed on the work platform. The inner diameter detection device 14 includes a first fixing frame 141, a light plate 142 and a camera 143, the first fixing frame 141 is fixedly mounted on the working platform by using bolts, the light plate 142 is arranged at the lower end of the first fixing frame 141, the light plate 142 is parallel to the rotating platform 5 (see fig. 2), the light plate 142 is located below the rotating platform 5, a light source of the light plate 142 is arranged upward, and the light plate 142 corresponds to the mounting base 6 on the first station. The camera 143 is located at the top of the first fixing frame 141, an image collecting end of the camera 143 is arranged opposite to the light plate 142, the camera 143 is located above the rotating platform 5, and an output end of the camera 143 is connected to an external computer through a wire. When the nut removed to first station, light on the board 142 of light was gathered by camera 143 through the nut hole, and camera 143 can be comparatively clear the internal diameter size of gathering the nut this moment, and camera 143 carries out the analysis in exporting the computer with the image of gathering, and the internal diameter size of judgement nut that analysis through the computer can be quick is qualified.

Referring to fig. 7, in order to detect whether the go gauge of the upper mounting block 2 is qualified, two upper go gauge detection devices 15 for detecting the go gauge of the upper mounting block 2 are arranged on the working platform, the upper go gauge detection devices 15 correspond to the second station, and the number of the upper go gauge detection devices 15 is consistent with the number of nuts which can be moved to the second station in one time. The upper gauge detection device 15 includes an upper gauge head 151 for detecting the gauge and a first drive mechanism for driving the upper gauge head 151 to perform rotational movement. The first driving mechanism comprises a second fixing frame 152, a first air cylinder 153, a moving plate 154 and a driving motor 155, the second fixing frame 152 is fixed on the working platform through bolts, the first air cylinder 153 is fixed on the top of the second fixing frame 152 through bolts, a piston rod of the first air cylinder 153 is arranged downwards, and the first air cylinder 153 is perpendicular to the plane where the working platform is located. The moving plate 154 is parallel to the working platform, the moving plate 154 is welded on a piston rod of the first cylinder 153, the driving motor 155 is fixedly installed on the upper surface of the moving plate 154 through bolts, an output shaft of the driving motor 155 penetrates through the moving plate 154 and is arranged downwards, an output shaft of the driving motor 155 is arranged parallel to the piston rod of the first cylinder 153, and the upper gauge head 151 is coaxially welded on the end portion of the output shaft of the driving motor 155. When the upper gauge head 151 is used for detecting the upper mounting block 2, the first air cylinder 153 and the driving motor 155 are started simultaneously, at the moment, the piston rod of the first air cylinder 153 extends to enable the moving plate 154 to move downwards, the driving motor 155 moves downwards along with the moving plate 154, meanwhile, the output shaft of the driving motor 155 drives the upper gauge head 151 to rotate, the upper gauge head 151 can be in threaded fit with the upper mounting block 2, when the upper gauge head 151 can be in complete threaded fit with the upper mounting block 2, the upper mounting block 2 is qualified in passing, and otherwise, the upper gauge head is not qualified.

In order to align the upper gauge head 151 with the upper mounting block 2 during the downward movement, the first driving mechanism further includes a guide rod 156 and two fixing blocks 157, the two fixing blocks 157 are welded to the same side of the second fixing frame 152 and are arranged in parallel, the guide rod 156 is welded to the two fixing blocks 157 and the guide rod 156 is arranged in parallel with the piston rod of the first cylinder 153, and the moving plate 154 is slidably connected to the guide rod 156. The guide bar 156 limits the lateral movement of the moving plate 154 during the downward movement of the moving plate 154 to reduce the possibility of the moving plate 154 shifting, enabling the upper gauge head 151 to be aligned with the upper mounting block 2 to be inspected.

In order to quickly judge whether the gauge of the upper mounting block 2 is qualified, the first driving mechanism further comprises a connecting block 158 and a displacement sensor 159, the connecting block 158 is welded to the top end of the guide rod 156, the displacement sensor 159 is provided with a housing 1591 and a displacement rod 1592, the displacement rod 1592 can extend and retract relative to the housing 1591, the housing 1591 is welded to the connecting block 158 to fix the displacement sensor 159, the end of the displacement rod 1592 is welded to the moving plate 154, the displacement rod 1592 is arranged in parallel with the piston rod of the first cylinder 153, and the output end of the displacement sensor 159 is connected to an external computer through a wire. When the upper drift gauge head 151 moves downwards to be matched with the upper mounting block 2, the displacement rod 1592 moves along with the moving plate 154, the number of matched turns of the upper drift gauge head 151 and the upper mounting block 2 can be judged through the moving distance of the displacement rod 1592, the displacement sensor 159 transmits the moving distance of the displacement rod 1592 to the computer at the moment, and the computer performs conversion analysis on the moving distance of the displacement rod 1592 to judge whether the upper drift gauge head 151 is completely matched with the upper mounting block 2 or not, so that whether the upper mounting block 2 is qualified or not is judged.

Referring to fig. 8, in order to detect whether the top mounting block 2 no-go gauge is qualified, two top stop gauge detection devices 16 for detecting the top mounting block 2 no-go gauge are arranged on the working platform, the top stop gauge detection devices 16 correspond to the third station, and the number of the top stop gauge detection devices 16 is equal to the number of the nuts which can move to the third station in one time. The upper gauge detecting device 16 includes an upper gauge head 161 for detecting the gauge and a second driving mechanism for driving the upper gauge head 161 to rotate, and the connection relationship between the components of the second driving mechanism is identical to the connection relationship between the components of the first driving mechanism, which is not described herein again. The biggest difference between the upper gauge head 161 and the upper gauge head 151 is that the detection hole apertures for detection are different, the detection hole aperture of the upper gauge head 161 is smaller than that of the upper gauge head 151, and if the number of matched turns of the upper gauge head 161 and the upper mounting block 2 is larger than the specified number of turns, the upper mounting block 2 is unqualified in no-go, otherwise, the upper mounting block is qualified.

Referring to fig. 9, in order to detect whether the through gauge of the lower mounting block 3 is qualified, two lower through gauge detection devices 17 for detecting the through gauge of the lower mounting block 3 are arranged on the working platform, the lower through gauge detection devices 17 correspond to the fourth station, and the number of the lower through gauge detection devices 17 is equal to the number of nuts which can move to the fourth station in one time. The lower gauge detection device 17 comprises a lower gauge head 171 for detecting a gauge, a third driving mechanism for driving the lower gauge head 171 to rotate and move and a first locking mechanism for abutting the upper mounting block 2, the lower gauge head 171 is the same as the upper gauge head 151, and details are omitted herein. The cylinder corresponding to the first cylinder 153 in the third driving mechanism is defined as a fourth cylinder 172, the fourth cylinder 172 is fixedly mounted on the second fixing frame 152 by a bolt, a piston rod of the fourth cylinder 172 is disposed downward and parallel to the output shaft of the driving motor 155, and an end of the piston rod of the fourth cylinder 172 is welded to the moving plate 154. The first locking mechanism comprises a fifth cylinder 173 and a abutting block 174, the fifth cylinder 173 is fixedly mounted on the second fixing frame 152 through a bolt, the fifth cylinder 173 and the driving motor 155 are oppositely arranged, a piston rod of the fifth cylinder 173 faces the direction of the driving motor 155, the axis of the piston rod of the fifth cylinder 173 and the axis of the driving motor 155 are in the same straight line, and the abutting block 174 is welded at the end of the piston rod of the fifth cylinder 173. When the lower gauge head 171 detects the gauge of the lower mounting block 3, the fifth cylinder 173 is started to enable the abutting block 174 to abut against the upper mounting block 2, and the situation that the nut falls out of the mounting seat 6 in the gauge detecting process of the lower mounting block 3 is reduced.

Referring to fig. 10, in order to detect whether the no-go gauge of the lower mounting block 3 is qualified, two lower no-go gauge detection devices 18 for detecting the no-go gauge of the lower mounting block 3 are arranged on the working platform, the lower no-go gauge detection devices 18 correspond to the fifth station, and the number of the lower no-go gauge detection devices 18 is equal to the number of nuts which can move to the fifth station in one time. The lower caliper gauge detecting device 18 comprises a lower caliper gauge head 181 for detecting the caliper gauge, a fourth driving mechanism for driving the lower caliper gauge head 181 to rotate and move, and a second locking mechanism for abutting against the upper mounting block 2, wherein the connection relationship between the parts of the fourth driving mechanism is completely the same as the connection relationship between the parts of the third driving mechanism, the connection relationship between the parts of the second locking mechanism is completely the same as the connection relationship between the parts of the first locking mechanism, and the details are not repeated herein. The biggest difference between the lower no-go gauge head 181 and the lower go gauge head 171 is that the detection hole apertures for detection are different between the two, the detection hole aperture of the lower no-go gauge head 181 is smaller than that of the lower go gauge head 171, if the number of matching turns of the lower no-go gauge head 181 and the lower mounting block 3 is larger than the specified number of turns, the lower mounting block 3 is unqualified, otherwise, the lower no-go gauge head is qualified.

Referring to fig. 11, in order to process the unqualified nuts, an inclined waste guide rail 19 is arranged on the working platform, the waste guide rail 19 corresponds to the waste station, the highest end of the waste guide rail 19 is close to the waste station, a second transportation mechanism 20 for moving the defective nuts on the waste station onto the waste guide rail 19 is further arranged on the working platform, and the structure of the second transportation mechanism 20 is completely the same as that of the first transportation mechanism 13, which is not repeated herein. When the defective nuts are moved to the scrap station, the second transport mechanism 20 is driven to move the defective nuts onto the scrap rail 19, and the defective nuts are moved in the direction of inclination of the scrap rail 19, so that the defective nuts can be collected and processed.

Referring to fig. 12, when the nuts are qualified after all the nut detection is completed, in order to move out the qualified nuts for processing, a second support frame 21 is arranged on the working platform, a second conveyor belt 22 parallel to the working platform is arranged on the second support frame 21, the upper surface of the second conveyor belt 22 is flush with the upper surface of the rotary platform 5, a rotating motor is arranged below the second conveyor belt 22, the rotating motor drives the second conveyor belt 22 to move through a chain, and the end part of one end of the second conveyor belt 22 faces the position of the finished product station. A third transportation mechanism 23 for moving the nuts from the rotary platform 5 to the second conveyor belt 22 is further arranged on the working platform, and the structure of the third transportation mechanism 23 is the same as that of the first transportation mechanism 13, which is not described in detail herein. When the nuts are moved to the finished product station, the third transport mechanism 23 is driven to move the nuts onto the second conveyor belt 22, and at this time, the nuts move to the next process along with the second conveyor belt 22.

The implementation principle of the double-end nut detection machine in the embodiment of the application is as follows: placing a nut to be detected on a first conveyor belt 10, moving the nut to a stop block 12 along a feeding channel 11 for fixing the position, driving a first conveying mechanism 13 to move the nut to a feeding station, rotating a rotary platform 5 at the moment to move the nut to a first station, detecting the inner diameter of the nut by an inner diameter detection device 14 of the first station and transmitting the result to an external computer, rotating the rotary platform 5 to sequentially rotate the nut to a second station, a third station, a fourth station and a fifth station after the inner diameter detection is finished, sequentially detecting go-no go gauges of an upper mounting block 2 and a lower mounting block 3, if the detected nut has defects, when the nut moves to a waste station, moving the nut from the waste station to a waste guide rail 19 by a second conveying mechanism 20 at the waste station for processing, and when all aspects of the detected nut are qualified, the rotating platform 5 is rotated to move the nuts to the finished product station, and at this time, the third conveying mechanism 23 is driven to move the nuts to the second conveyor belt 22, and the nuts move to the next process along the direction of the second conveyor belt 22.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a double-end nut detects machine which characterized in that: comprises a rotary platform (5), a mounting seat (6) for placing a nut is arranged on the rotary platform (5), the mounting seat (6) is provided with a mounting groove (7) for inserting the hexagonal block (1), the mounting seat (6) warp can be located first station, second station, third station, fourth station and fifth station in proper order after rotary platform (5) drive, still include internal diameter detection device (14) that are used for detecting nut internal diameter size that correspond with first station, be used for detecting last logical rule detection device (15) that installation piece (2) led to the rule with what the second station corresponds, be used for detecting last rule detection device (16) that installation piece (2) no-go rule, be used for detecting lower logical rule detection device (17) that installation piece (3) led to the rule under being used for detecting that corresponds with the fourth station and be used for detecting lower no-go rule detection device (18) that installation piece (3) no-go to the rule under being used for detecting that corresponds with the fifth station.

2. The double-headed nut detecting machine according to claim 1, wherein: the inner diameter detection device (14) comprises a first fixing frame (141), a light plate (142) and a camera (143), the light plate (142) is connected to the first fixing frame (141) and located below the rotating platform (5), the camera (143) is connected to the first fixing frame (141) and located above the rotating platform (5), the camera (143) and the light plate (142) are arranged oppositely, and the output end of the camera (143) is electrically connected to an external computer.

3. The double-headed nut detecting machine according to claim 1, wherein: go up lead to rule detection device (15) including last logical gauge head (151) and be used for driving go up lead to rule head (151) and remove and pivoted first actuating mechanism, go up no-go gage detection device (16) including last rule head (161) and be used for driving last rule head (161) and remove and pivoted second actuating mechanism, lower lead to rule detection device (17) including down lead to rule head (171), be used for driving down lead to rule head (171) and remove and pivoted third actuating mechanism and be used for supporting the first locking mechanism of tight last installation piece (2), lower no-go gage detection device (18) include down rule head (181), be used for driving down rule head (181) and remove and pivoted fourth actuating mechanism and be used for supporting the second locking mechanism of tight last installation piece (2).

4. The double-headed nut detecting machine according to claim 3, wherein: the first driving mechanism comprises a second fixing frame (152), a first air cylinder (153) is arranged on the second fixing frame (152), a moving plate (154) is arranged on a piston rod of the first air cylinder (153), a driving motor (155) is arranged on the moving plate (154), the piston rod of the first air cylinder (153) and an output shaft of the driving motor (155) are arranged in the same direction and are perpendicular to the rotating platform (5), an upper through gauge head (151) is coaxially connected to the output shaft of the driving motor (155), a fixing block (157) is arranged on the second fixing frame (152), a guide rod (156) is arranged on the fixing block (157), the guide rod (156) and the piston rod of the first air cylinder (153) are arranged in parallel, the moving plate (154) is connected to the guide rod (156) in a sliding manner, a connecting block (158) is arranged on the guide rod (156), the displacement sensor (159) is arranged on the connecting block (158), the displacement sensor (159) is provided with a housing (1591) and a displacement rod (1592), the displacement rod (1592) is connected to the housing (1591) in a sliding manner, the housing (1591) is fixedly connected to the connecting block (158), the end of the displacement rod (1592) is connected to the moving plate (154), the displacement rod (1592) is arranged in parallel with the guide rod (156), and the output end of the displacement sensor (159) is electrically connected with an external computer.

5. The double-headed nut detecting machine according to claim 1, wherein: the mounting seat (6) is driven by the rotary platform (5) and then can be located at a feeding station, a waste station and a finished product station, the feeding station is located on the front side of the first station and used for storing nuts to be detected, the waste station is located on the rear side of the fifth station and used for storing defective nuts, and the finished product station is located on the rear side of the waste station and used for storing qualified nuts.

6. The double-headed nut detecting machine according to claim 5, wherein: the nut conveying device further comprises a first conveyor belt (10) corresponding to the feeding station and used for conveying nuts to be detected, and a first conveying mechanism (13) for conveying the nuts on the first conveyor belt (10) to the feeding station.

7. The double-headed nut detecting machine according to claim 5, wherein: the nut feeding device also comprises a scrap guide rail (19) corresponding to the scrap station and used for processing the defective nuts, and a second conveying mechanism (20) for conveying the defective nuts on the scrap station to the scrap guide rail (19).

8. The double-headed nut detecting machine according to claim 5, wherein: the device also comprises a second conveyor belt (22) corresponding to the finished product station and used for conveying the qualified nuts and a third conveying mechanism (23) for conveying the qualified nuts on the finished product station to the second conveyor belt (22).

9. The double-headed nut detecting machine according to claim 6, wherein: the first conveying mechanism (13) comprises a third fixing frame (131), a second air cylinder (132) is arranged on the third fixing frame (131), a driving block (133) is arranged at the end part of the second air cylinder (132), the driving block (133) is connected with a clamping conveying mechanism, the clamping conveying mechanism comprises a linear slide rail (134), a sliding block (135) sliding along the length direction of the linear slide rail (134), a third air cylinder (138) arranged on one side of the length direction of the linear slide rail (134), a fixing plate (136) connected to the sliding block (135), a clamping piece (137) arranged on the fixing plate (136) and used for clamping a nut, and a travel switch (139) arranged on one side of the linear slide rail (134) far away from the third air cylinder (138), the driving block (133) is connected with the linear slide rail (134), and a piston rod of the third air cylinder (138) is arranged along the length direction of the linear slide rail (134), the lateral wall of fixed plate (136) is connected on third cylinder (138) piston rod, the piston rod of second cylinder (132) with the clamping part of holder (137) all sets up down, and when fixed plate (136) contradict travel switch (139), third cylinder (138) piston rod stops to remove.