CN214582966U

CN214582966U - Nut detection machine

Info

Publication number: CN214582966U
Application number: CN202121041038.5U
Authority: CN
Inventors: 杨立; 杨振强
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: 2021-11-02
Anticipated expiration: 2031-05-15

Abstract

The utility model relates to a nut detects machine relates to the field of nut check out test set, and it includes rotary platform, the last mount pad that is used for placing the nut that is provided with of rotary platform, the mount pad can be located first station, second station and third 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, the no-go gage detection device who is used for detecting the nut no-go gage that corresponds with the second station and the logical rule detection device who is used for detecting the nut that corresponds with the third station and leads to the rule. This application has the effect that improves the work efficiency when nut defect detects.

Description

Nut detection machine

Technical Field

The application relates to the field of nut detection equipment, in particular to a nut detection 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 hexagonal nut which is axially penetrated and has an internal thread formed on a side wall of a middle portion thereof.

In the defect detection to hexagon nut, usually detect hexagon nut each item data through staff is manual, the inventor thinks that through staff's manual detection inefficiency, the short-term test of the nut of being not convenient for, consequently need to design a equipment of being convenient for detect nut defect urgently.

SUMMERY OF THE UTILITY MODEL

In order to improve the detection efficiency of nut defect, this application provides a nut detects machine.

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

the utility model provides a nut detects machine, includes rotary platform, the last mount pad that is used for placing the nut that is provided with of rotary platform, the mount pad warp can be located first station, second station and third station in proper order after the rotary platform drive, still includes the internal diameter detection device who is used for detecting nut internal diameter size that corresponds with first station position, the no-go gage detection device who is used for detecting the nut no-go gage that corresponds with second station position and the logical rule detection device who is used for detecting the nut that corresponds with third station position and leads to the rule.

Through adopting above-mentioned technical scheme, the nut that will wait to detect is placed in the mount pad that is in on first station, whether can be qualified to the internal diameter of nut through internal diameter detection device and detect, detect the completion back when internal diameter detection device detects the nut, rotate rotary platform and make the mount pad remove to the second station and carry out the no-go gage detection, detect the completion back when the no-go gage detection device detects the nut, rotate rotary platform and make the mount pad remove to the third station and go on the rule and detect, the setting up of this nut detects the machine has improved the staff and has examined time measuring efficiency to the nut defect.

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 no-go gage detection device includes the second mount, set up first cylinder on the second mount, set up first movable plate on first cylinder piston rod, connect in the first displacement sensor of first movable plate, connect first motor on first movable plate and coaxial coupling in the end stop head of first motor output shaft, be provided with the first direction subassembly of guide effect from top to bottom to first movable plate on the second mount, first direction subassembly includes first connecting block, first displacement sensor includes first shell and first displacement pole, first shell is connected in first connecting block, first displacement pole is connected in first movable plate, the piston rod of first cylinder and the output shaft of first motor all set up down, the output electricity of first displacement sensor is connected in outside computer.

By adopting the technical scheme, when the mounting seat where the nut is located at the second station, the first cylinder is started to enable the piston rod of the first cylinder to drive the first moving plate to move downwards, the first motor is started to enable the output shaft of the first motor to drive the stop gauge head to rotate in the process, the stop gauge head is enabled to move downwards and rotate, the stop gauge head can be in threaded connection with the thread in the nut, the moving distance of the first displacement rod is output to an external computer through the output end of the first displacement sensor, whether the number of turns of the stop gauge head in the nut is larger than the specified maximum number of turns or not is judged through calculation of the computer, if the number of turns of the stop gauge head in the nut is larger than the specified maximum number of turns, the nut is unqualified, and otherwise, the nut is qualified.

Optionally, lead to rule detection device includes the third mount, sets up the second cylinder on the third mount, sets up the second movable plate on second cylinder piston rod, connects in the second displacement sensor of second movable plate, connects second motor on the second movable plate and coaxial coupling in the logical rule head of second motor output shaft, be provided with the second direction subassembly that plays the guide effect from top to bottom to the second movable plate on the third mount, second direction subassembly includes the second connecting block, the second displacement sensor includes second shell and second displacement pole, the second shell is connected in the second connecting block, the second displacement pole is connected in the second movable plate, the piston rod of second cylinder and the output shaft of second motor all set up down, the output electricity of second displacement sensor is connected in outside computer.

Through adopting above-mentioned technical scheme, when the mount pad at nut place is in the third station, start the second cylinder and make the piston rod of second cylinder drive the second movable plate and move down, start the second motor at this in-process and make the output shaft of second motor drive the logical gauge head and rotate, thereby realized leading gauge head and move down and rotate, make leading gauge head can carry out threaded connection with the screw in the nut, the distance that the second displacement pole removed at this moment is exported to the outside computer through the output of second displacement sensor, whether the calculation through the computer judges that leads to the gauge head and can carry out threaded connection with the nut completely, if lead to the gauge head and can carry out threaded connection with the nut completely, then the nut leads to the rule qualified, otherwise unqualified.

Optionally, the mounting seat can be driven by the rotary platform to be located at a feeding station, a waste station and a finished product station, the feeding station is located at the front side of the first station and used for storing the nuts to be detected, the waste station is located at the rear side of the third station and used for storing defective nuts, and the finished product station is located at the rear side of the waste station and used for storing finished product 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, a rotating disc for arranging and conveying the nuts onto the first conveyor belt, a clamping and conveying mechanism for conveying the nuts on the first conveyor belt to the feeding station, and a lifting mechanism for controlling the lifting of the clamping and conveying mechanism.

Through adopting above-mentioned technical scheme, utilize the rolling disc to carry the orderly range of nut in disorder to first conveyer belt to in the quick material loading of nut, can remove the nut on the first conveyer belt to rotary platform's top through centre gripping conveying mechanism this moment, utilize elevating system control centre gripping conveying mechanism's lift in order to realize the lift of nut, make the nut can be fixed in the mount pad, reduce the condition that the nut removes at the in-process relative rotary platform that removes and take place.

Optionally, the waste material conveying device further comprises a waste material guide rail corresponding to the waste material station, a clamping and conveying mechanism for conveying the nuts on the waste material station to the waste material guide rail, and a moving mechanism for controlling the clamping and conveying mechanism to lift.

Through adopting above-mentioned technical scheme, centre gripping transport mechanism and moving mechanism's cooperation can take out and move the nut that is in the waste material station and take the defect to the waste material guide rail on, make the nut that takes the defect discharge from the waste material guide rail and collect to the staff handles the nut that takes the defect.

Optionally, the number of the waste guide rails is two, and the moving mechanism includes a transverse moving assembly for controlling the clamping and transporting mechanism to move on the two waste guide rails and a longitudinal moving assembly for controlling the clamping and transporting mechanism to lift.

Through adopting above-mentioned technical scheme, make the unqualified nut of internal diameter can distinguish with the unqualified nut of no-go gage to the staff carries out different processing to the nut that takes the defect.

Optionally, the device further comprises a second conveyor belt corresponding to the finished product station, a clamping and conveying mechanism for conveying the nuts on the finished product station to the second conveyor belt, and a lifting mechanism for controlling the lifting of the clamping and conveying mechanism.

Through adopting above-mentioned technical scheme, utilize centre gripping transport mechanism and elevating system's cooperation can remove the nut on the finished product station to the second conveyer belt from rotary platform, the finished nut of this moment can carry to next link through the second conveyer belt.

Optionally, centre gripping conveying mechanism includes linear slide rail, the slider that slides along linear slide rail length direction, set up in the third cylinder of linear slide rail length direction one side, set up the electronic clamping jaw that is used for centre gripping nut on the slider and set up in the travel switch that linear slide rail kept away from third cylinder one side, the piston rod of third cylinder sets up along linear slide rail's length direction, the lateral wall of electronic clamping jaw is connected on third cylinder piston rod, works as electronic clamping jaw is contradicted during travel switch, third cylinder piston rod stops moving.

Through adopting above-mentioned technical scheme, utilize electronic clamping jaw to press from both sides the nut tightly, start the piston rod extension that the third cylinder made the third cylinder this moment and drive electronic clamping jaw and remove, the slider that connects on electronic clamping jaw removes along linear slide rail length direction under linear slide rail's spacing this moment to make electronic clamping jaw can remove comparatively horizontally, conflict travel switch when electronic clamping jaw and make, third cylinder piston rod stall makes electronic position fixing who presss from both sides, thereby make the rigidity of nut.

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

1. the inner diameter detection device, the no-go gauge detection device and the go gauge detection device are matched, so that the defects of the nut can be rapidly detected, and the working efficiency of the nut during defect detection is improved;

2. the clamping and conveying mechanism is arranged to facilitate the movement of the nut to the rotating platform or the taking of the nut from the rotating platform;

3. the arrangement of the two waste guide rails enables nuts with different defects to be classified, and workers can conduct different treatments on the nuts with different defects.

Drawings

FIG. 1 is a schematic structural diagram of a nut inspection machine according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a mounting base according to an embodiment of the present application;

FIG. 3 is a schematic view of a first conveyor belt and a rotating disk in accordance with an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of the clamping and transporting mechanism and the lifting mechanism according to the embodiment of the present application

FIG. 5 is a schematic structural diagram of a clamping and transporting mechanism according to 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 a no-go gauge detection apparatus according to an embodiment of the present application

FIG. 8 is a schematic structural diagram of a general gauge detection device according to an embodiment of the present application

FIG. 9 is a schematic structural diagram of a waste guide rail, a moving mechanism and a clamping and transporting mechanism according to an embodiment of the present application

Fig. 10 is a schematic structural view of the second conveyor belt and the gripper transportation mechanism according to the embodiment of the present application.

Description of reference numerals: 1. a working platform; 2. rotating the platform; 3. a mounting seat; 4. mounting holes; 5. rotating the disc; 6. dialing a plate; 7. a baffle plate; 8. a first conveyor belt; 9. a blocking block; 10. a lifting mechanism; 101. a first fixed bracket; 102. a fourth cylinder; 11. a clamping and transporting mechanism; 111. a linear slide rail; 112. a slider; 113. a third cylinder; 114. an electric jaw; 115. a travel switch; 12. an inner diameter detection means; 121. a first fixing frame; 122. a light plate; 123. a camera; 13. a no-go gauge detection device; 131. a second fixing frame; 132. a first horizontal plate; 133. a first vertical plate; 134. a first reinforcing plate; 135. a first cylinder; 136. a first moving plate; 137. a first motor; 138. a gauge head; 139. a first sliding groove; 1310. a first fixed block; 1311. a first guide bar; 1312. a first guide block; 1313. a first connection block; 1314. a first spring; 1315. a first rubber sleeve; 1316. a first displacement sensor; 13161. a first housing; 13162. a first displacement rod; 14. a go gauge detection device; 141. a third fixing frame; 142. a second horizontal plate; 143. a second vertical plate; 144. a second reinforcing plate; 145. a second cylinder; 146. a second moving plate; 147. a second motor; 148. passing through the gauge head; 149. a second sliding groove; 1410. a second fixed block; 1411. a second guide bar; 1412. a second guide block; 1413. a second connecting block; 1414. a second spring; 1415. a second rubber sleeve; 1416. a second displacement sensor; 14161. a second housing; 14162. a second displacement rod; 15. a moving mechanism; 151. a sixth cylinder; 152. a second fixed bracket; 153. a fifth cylinder; 16. a waste guide rail; 17. a second conveyor belt.

Detailed Description

The present application is described in further detail below with reference to figures 1-10.

The embodiment of the application discloses nut detects machine. Referring to fig. 1 and 2, the nut detects machine includes work platform 1, be provided with rotary platform 2 on work platform 1, rotary platform 2 is the light-passing board, rotary platform 2's cross section parallels for circular and rotary platform 2 and work platform 1, rotary platform 2 drives through connecting in the rotation motor at rotary platform 2 center, be fixed with mount pad 3 through the bolt-up on rotary platform 2, mounting hole 4 that supplies the nut to place is seted up to mount pad 3 upper surface, mounting hole 4 runs through 3 lower surfaces of mount pad. The installation seat 3 can be sequentially positioned at a feeding station, a first station, a second station, a third station, a waste station and a finished product station through the driving of the rotating motor.

Referring to fig. 3, a rotary disk 5 is provided on the work platform 1 (see fig. 1), and the nuts to be tested are all placed in the rotary disk 5. An opening is formed in the rotating disc 5, the bottom of the rotating disc 5 can rotate relative to the side wall of the rotating disc 5, and the rotating disc 5 rotates the bottom through the rotating motor. The middle of the upper surface of the bottom of the rotating disc 5 is provided with a shifting plate 6, the shifting plate 6 rotates to drive the nut to move so that the nut is continuously close to the opening, a baffle 7 is welded at the opening of the rotating disc 5, the baffle 7 and the inner side wall of the rotating disc 5 form a moving channel for only one nut to move, and when the nut moves into the moving channel, the nut is continuously close to the opening and is output due to continuous rotation of the bottom of the rotating disc 5.

A first conveyor belt 8 is arranged on the working platform 1, an opening outlet of the rotating disc 5 is positioned on the first conveyor belt 8, and the first conveyor belt 8 is arranged opposite to the feeding station. A blocking block 9 is arranged at the end part of the upper surface of the first conveyor belt 8 in the conveying direction, and a notch matched with the nut is arranged on the blocking block 9. The nuts listed on the rolling disc 5 move to the first conveying belt 8 and move along with the moving position of the first conveying belt 8, when the nuts move to the blocking block 9, the nuts cannot move continuously in the original direction, the gaps limit the nuts at the moment, the fixation of the positions of the nuts on the first conveying belt 8 is realized, and when a previous nut is taken down from the first conveying belt 8, the next nut can move to the position of the previous nut.

Referring to fig. 4, a clamping and transporting mechanism 11 for transporting the nuts on the first conveyor belt 8 to the feeding station is abutted to the side wall of the first conveyor belt 8 (see fig. 3), and an elevating mechanism 10 for controlling the clamping and transporting mechanism 11 to ascend and descend is arranged on the working platform 1. The lifting mechanism 10 comprises a first fixing support 101 and a fourth cylinder 102, the first fixing support 101 is fixedly installed on the working platform 1 through bolts, the fourth cylinder 102 is fixedly installed on the first fixing support 101 through bolts, a piston rod of the fourth cylinder 102 faces upwards, and the clamping and transporting mechanism 11 is connected to the end portion of the piston rod of the fourth cylinder 102. When the clamping and transporting mechanism 11 needs to be lifted, the fourth air cylinder 102 is started to extend the piston rod of the fourth air cylinder 102.

Referring to fig. 5, the clamping and transporting mechanism 11 includes a linear slide rail 111, a slider 112, a third cylinder 113, an electric clamping jaw 114, and a travel switch 115, the linear slide rail 111 is fixed on a piston rod of the fourth cylinder 102 (see fig. 4) by a bolt, the slider 112 is slidably connected to the linear slide rail 111, and the slider 112 can move along the length direction of the linear slide rail 111. The third cylinder 113 is fixedly installed at one end of the linear slide rail 111 in the length direction, a piston rod of the third cylinder 113 is arranged along the length direction of the linear slide rail 111, the electric clamping jaw 114 is welded at the end of the piston rod of the third cylinder 113, the electric clamping jaw 114 is fixedly installed on the sliding block 112 through a bolt, the electric clamping jaw 114 is used for grabbing a nut, and when a grabbing portion of the electric clamping jaw 114 extends into a threaded hole of the nut and expands outwards, the nut is fixed relative to the electric clamping jaw 114. The travel switch 115 is disposed at an end of the linear slide rail 111 away from the third cylinder 113, and the electric jaw 114 can abut against the travel switch 115, and when the electric jaw 114 abuts against the travel switch 115, the travel switch 115 controls the third cylinder 113 to stop moving.

Referring to fig. 3, when the nut moves from the rotating disc 5 to the first conveyor belt 8, the nut approaches to the blocking block 9 under the action of the first conveyor belt 8, when the nut is matched with the notch, the nut is fixed on the first conveyor belt 8, at this time, the electric clamping jaw 114 moves to the upper side of the nut, the linear slide rail 111 moves downwards to drive the electric clamping jaw 114 to move downwards to grab the nut, then the electric clamping jaw 114 moves upwards to move upwards to the blocking block 9, the third air cylinder 113 is started to enable the electric clamping jaw 114 to move along the length direction of the linear slide rail 111, when the electric clamping jaw 114 abuts against the travel switch 115, the electric clamping jaw 114 stops moving transversely, at this time, the electric clamping jaw 114 can be located above the mounting base 3 (see fig. 2) of the feeding station, and then the linear slide rail 111 moves downwards to place the nut into the mounting hole 4 (see fig. 2) of the mounting base 3.

Referring to fig. 6, in order to detect whether the inner diameter of the nut meets the standard, an inner diameter detection device 12 is disposed on the work platform 1 (see fig. 1), and the inner diameter detection device 12 corresponds to the first station. The inner diameter detection device 12 includes a first fixing frame 121, the light plate 122 and the camera 123, the first fixing frame 121 uses bolt fixed mounting on the work platform 1, the light plate 122 sets up in the lower extreme of first fixing frame 121, the light source of the light plate 122 sets up upwards, the light plate 122 is corresponding with the mount pad 3 (refer to fig. 1) on the first station, the camera 123 is in the top of first fixing frame 121, the image acquisition end of the camera 123 is towards the light plate 122 direction, the output end of the camera 123 passes through the wire and connects on the outside computer. When the mount pad 3 at nut place removed to first station, the glazing of light board 122 passed through the nut hole, and the internal diameter of observing the nut that camera 123 can be more clear this moment, and the image output that camera 123 gathered carries out the analysis in the computer, and the internal diameter size of judgement nut that the analysis through the computer can be quick whether accords with the standard.

Referring to fig. 7, in order to detect whether the nut no-go gauge is qualified, a no-go gauge detecting device 13 for detecting the nut no-go gauge is arranged on the working platform 1 (see fig. 1), the no-go gauge detecting device 13 comprises a second fixing frame 131, the second fixing frame 131 comprises a first horizontal plate 132 and a first vertical plate 133, the first horizontal plate 132 and the first vertical plate 133 are both cuboid in shape, the first horizontal plate 132 and the first vertical plate 133 are perpendicular to each other, the first horizontal plate 132 is located at one end of the first vertical plate 133 in the length direction, the first horizontal plate 132 and the first vertical plate 133 are integrally formed, and the first horizontal plate 132 is fixedly installed on the working platform 1 through bolts. A first reinforcing plate 134 is welded to the upper surface of the first horizontal plate 132, the first reinforcing plate 134 has a right-angled triangle longitudinal section, a right-angled edge of the first reinforcing plate 134 is attached to the upper surface of the first horizontal plate 132, and the other right-angled edge is welded to the first vertical plate 133. The provision of the first reinforcing plate 134 improves the structural strength of the second fixed frame 131 to reduce the occurrence of breakage at the joint of the first horizontal plate 132 and the first vertical plate 133.

A first cylinder 135 is welded to one end of the first vertical plate 133, which is far away from the first horizontal plate 132, and a piston rod of the first cylinder 135 is arranged in parallel with and facing downward from the first vertical plate 133. The end part of a piston rod of the first air cylinder 135 is welded with a first moving plate 136, the first moving plate 136 is a plate body and is arranged in parallel with the first horizontal plate 132, the upper surface of the first moving plate 136 is fixedly connected with a first motor 137 through a bolt, an output shaft of the first motor 137 penetrates through the first moving plate 136 and is arranged downwards, the output shaft of the first motor 137 is parallel to the piston rod of the first air cylinder 135, a no-go gauge head 138 for detecting a nut no-go gauge is coaxially installed on the output shaft of the motor, and an external thread is arranged on the outer surface of the no-go gauge head 138 and is used for being matched with a threaded hole in the nut. When the stop gauge head 138 is used for detecting the nut, the first air cylinder 135 and the first motor 137 are started simultaneously, at the moment, the piston rod of the first air cylinder 135 extends to enable the first moving plate 136 to move downwards, the first motor 137 is positioned on the first moving plate 136 and moves downwards along with the first moving plate 136, meanwhile, the output shaft of the first motor 137 rotates to drive the stop gauge head 138 to rotate, the stop gauge head 138 can move downwards and rotate, when the number of turns of the stop gauge head 138 which can be screwed into the nut is larger than the specified number of turns, the nut is unqualified, and otherwise, the nut is qualified.

In order to reduce the deviation of the first moving plate 136 in the downward movement process, a first sliding groove 139 is formed in the first vertical plate 133 along the length direction of the first vertical plate 133, a part of the first moving plate 136 is located in the first sliding groove 139 and slides along the length direction of the first sliding groove 139, and two opposite side walls of the first moving plate 136 abut against two opposite side walls of the first sliding groove 139. When the first cylinder 135 drives the first moving plate 136 to move up and down, the first sliding groove 139 radially limits the first moving plate 136, so as to reduce the possibility of displacement of the first moving plate 136 during movement.

A first guide assembly is disposed on the first vertical plate 133, the first guide assembly includes a first fixing block 1310, a first guide bar 1311, a first guide block 1312, and a first connection block 1313, the first fixing block 1310 is fixedly mounted on the first vertical plate 133 by bolts, the first fixing block 1310 is disposed perpendicular to the first vertical plate 133, the first guide bar 1311 is welded to the first fixing block 1310, the first guide bar 1311 is shaped as a cylinder, and an axis of the first guide bar 1311 is parallel to the first vertical plate 133. The first guide block 1312 is welded to the first moving plate 136 and is disposed opposite to the first fixed block 1310, the first guide bar 1311 penetrates the first guide block 1312 and the first moving plate 136, and the first guide block 1312 and the first moving plate 136 can slide on the first guide bar 1311. When the first moving plate 136 moves up and down, the first guide bar 1311 radially limits the first moving plate 136 to further reduce the possibility of the first moving plate 136 shifting.

In order to reduce the inertia force of the first moving plate 136 when the first cylinder 135 moves the first moving plate 136 upward, a first spring 1314 is abutted to the upper surface of the first moving plate 136, the first spring 1314 is sleeved on the outer surface of the first guide rod 1311, a first rubber sleeve 1315 is sleeved on the outer surface of the first spring 1314, the radial cross-sectional shape of the first rubber sleeve 1315 is a circular ring, the first spring 1314 is arranged on the inner ring of the first rubber sleeve 1315, and the first rubber sleeve 1315 is thermally melted on the first guide block 1312. When the first moving plate 136 moves upward, the first spring 1314 moves upward along with the first moving plate 136 and first abuts on the first fixed block 1310, and at this time, the first spring 1314 buffers the inertia force of the first moving plate 136 to reduce the inertia force of the first moving plate 136, so as to reduce the occurrence of the situation that the first moving plate 136 moves upward to cause the first guide block 1312 to impact the first fixed block 1310.

In order to further improve the working efficiency of the nut gauge detection, a first connecting block 1313 is welded to one end of the first guide rod 1311, which is away from the first moving plate 136, a first displacement sensor 1316 is arranged on a side wall of the first connecting block 1313, the first displacement sensor 1316 comprises a first casing 13161 and a first displacement rod 13162, the first displacement rod 13162 can extend and retract inside the first casing 13161, the first casing 13161 is welded to the first connecting block 1313 to fix the first displacement sensor 1316, the first displacement rod 13162 is arranged in parallel with the first guide rod 1311, an end of the first displacement rod 13162 is welded to the first moving plate 136, and an output end of the first displacement sensor 1316 is connected to a computer outside the moving plate through a wire. When the first moving plate 136 moves downwards to enable the stop gauge head 138 to be screwed into the nut, the number of screwing turns of the stop gauge head 138 can be calculated through the distance of downward movement of the first moving plate 136, at the moment, the distance of movement of the first moving plate 136 can be obtained through the first displacement sensor 1316 and is conveyed to an external computer, the distance of movement of the first displacement rod 13162 can be analyzed through the computer, the conclusion whether the nut is qualified or not can be rapidly obtained, and the working efficiency is improved.

Referring to fig. 8, in order to detect whether the nut gauge is qualified, a gauge detection device 14 for detecting the nut gauge is arranged on the working platform 1 (see fig. 1), the gauge detection device 14 includes a third fixing frame 141, the third fixing frame 141 includes a second horizontal plate 142 and a second vertical plate 143, the second horizontal plate 142 and the second vertical plate 143 are both rectangular solids, the second horizontal plate 142 and the second vertical plate 143 are perpendicular to each other, the second horizontal plate 142 is located at one end of the second vertical plate 143 in the length direction, the second horizontal plate 142 and the second vertical plate 143 are integrally formed, and the second horizontal plate 142 is fixedly mounted on the working platform 1 through bolts. A second reinforcing plate 144 is welded to the upper surface of the second horizontal plate 142, the second reinforcing plate 144 has a right-angled triangle shape in longitudinal section, a right-angled edge of the second reinforcing plate 144 is attached to the upper surface of the second horizontal plate 142, and the other right-angled edge is welded to the second vertical plate 143. The provision of the second reinforcing plate 144 improves the structural strength of the third fixing frame 141 to reduce the occurrence of breakage at the junction of the second horizontal plate 142 and the second vertical plate 143.

A second cylinder 145 is welded to one end of the second vertical plate 143, which is far away from the second horizontal plate 142, and a piston rod of the second cylinder 145 is arranged in parallel with the second vertical plate 143 and faces downward. The end part of the piston rod of the second cylinder 145 is welded with a second moving plate 146, the second moving plate 146 is a plate body and is arranged in parallel with the second horizontal plate 142, the upper surface of the second moving plate 146 is fixedly connected with a second motor 147 through a bolt, an output shaft of the second motor 147 penetrates through the second moving plate 146 and is arranged downwards, the output shaft of the second motor 147 is parallel to the piston rod of the second cylinder 145, a go gauge head 148 for detecting the nut go gauge is coaxially installed on the output shaft of the motor, an external thread is arranged on the outer surface of the go gauge head 148 and is used for being matched with a threaded hole in the nut, and the outer diameter of the go gauge head 148 is smaller than that of the stop gauge head 138 (see fig. 7). When the universal gauge head 148 is used for detecting the nut, the second air cylinder 145 and the second motor 147 are started simultaneously, at the moment, the piston rod of the second air cylinder 145 extends to enable the second moving plate 146 to move downwards, the second motor 147 is located on the second moving plate 146 and moves downwards along with the second moving plate 146, meanwhile, the output shaft of the second motor 147 rotates to drive the universal gauge head 148 to rotate, the universal gauge head 148 can move downwards and rotate, when the universal gauge head 148 can be smoothly screwed into the nut, the nut is qualified in standard, and vice versa.

In order to reduce the deviation of the second moving plate 146 in the downward moving process, a second sliding groove 149 is formed in the second vertical plate 143 along the length direction of the second vertical plate 143, a part of the second moving plate 146 is located in the second sliding groove 149 and slides along the length direction of the second sliding groove 149, and two opposite side walls of the second moving plate 146 abut against two opposite side walls of the second sliding groove 149. When the second cylinder 145 drives the second moving plate 146 to move up and down, the second sliding groove 149 radially limits the second moving plate 146 to reduce the possibility of the second moving plate 146 shifting during moving.

A second guide assembly is arranged on the second vertical plate 143, the second guide assembly comprises a second fixing block 1410, a second guide rod 1411, a second guide block 1412 and a second connecting block 1413, the second fixing block 1410 is fixedly mounted on the second vertical plate 143 through bolts, the second fixing block 1410 is arranged perpendicular to the second vertical plate 143, the second guide rod 1411 is welded on the second fixing block 1410, the second guide rod 1411 is cylindrical, and the axis of the second guide rod 1411 is parallel to the second vertical plate 143. The second guide block 1412 is welded to the second moving plate 146 and is disposed opposite to the second fixed block 1410, the second guide rod 1411 penetrates through the second guide block 1412 and the second moving plate 146, and the second guide block 1412 and the second moving plate 146 can slide on the second guide rod 1411. When the second moving plate 146 moves up and down, the second guide link 1411 radially limits the second moving plate 146 to further reduce the possibility of the second moving plate 146 shifting.

In order to reduce the inertia force of the second moving plate 146 when the second cylinder 145 moves the second moving plate 146 upward, a second spring 1414 is abutted to the upper surface of the second moving plate 146, the second spring 1414 is sleeved on the outer surface of the second guide rod 1411, a second rubber sleeve 1415 is sleeved on the outer surface of the second spring 1414, the radial cross-sectional shape of the second rubber sleeve 1415 is a circular ring, the second spring 1414 is arranged on the inner ring of the second rubber sleeve 1415, and the second rubber sleeve 1415 is thermally melted on the second guide block 1412. When the second moving plate 146 moves upward, the second spring 1414 follows the second moving plate 146 to move upward and first abuts on the second fixed block 1410, and at this time, the second spring 1414 buffers the inertia force of the second moving plate 146 to reduce the inertia force of the second moving plate 146, so as to reduce the situation that the second moving plate 146 moves upward to make the second guide block 1412 impact the second fixed block 1410.

In order to further improve the work efficiency of the nut gauge detection, a second connecting block 1413 is welded to one end of a second guide rod 1411, which is far away from the second moving plate 146, a second displacement sensor 1416 is arranged on a side wall of the second connecting block 1413, the second displacement sensor 1416 is provided with a second casing 14161 and a second displacement rod 14162, the second displacement rod 14162 can be stretched and retracted inside the second casing 14161, the second casing 14161 is welded to the second connecting block 1413 to fix the second displacement sensor 1416, the second displacement rod 14162 and the second guide rod 1411 are arranged in parallel, the end of the second displacement rod 14162 is welded to the second 141146, and the output end of the second displacement sensor 1416 is connected to an external computer through a wire moving plate. When the second moving plate 146 moves downwards to enable the universal gauge head 148 to be screwed into the nut, the screwing number of turns of the universal gauge head 148 can be calculated through the distance of downward movement of the second moving plate 146, at the moment, the distance of movement of the second moving plate 146 can be obtained through the second displacement sensor 1416 and is conveyed to an external computer, the distance of movement of the second displacement rod 14162 can be analyzed through the computer, the conclusion whether the nut is qualified or not can be rapidly obtained, and the working efficiency is improved.

Referring to fig. 9, a moving mechanism 15 is provided on the work platform 1 (see fig. 1), a clamping and transporting mechanism 11 for taking out the nuts in the mounting seats 3 of the scrap station is provided on the moving mechanism 15, and the components of the clamping and transporting mechanism 11 are the same as those described above and are not described again. The moving mechanism 15 comprises a transverse moving assembly and a longitudinal moving assembly, the longitudinal moving assembly comprises a second fixing support 152 and a fifth air cylinder 153, the second fixing support 152 is fixedly installed on the working platform 1 through a bolt, the fifth air cylinder 153 is fixedly installed on the second fixing support 152 through a bolt, and a piston rod of the fifth air cylinder 153 is arranged upwards. The lateral shifting assembly is a sixth air cylinder 151, the shell of the sixth air cylinder 151 is welded at the end part of the piston rod of the fifth air cylinder 153, the piston rod of the sixth air cylinder 151 is perpendicular to the piston rod of the fifth air cylinder 153, and the clamping and transporting mechanism 11 is connected at the end part of the piston rod of the sixth air cylinder 151. Be provided with two slopes and the waste material guide rail 16 of hugging closely on work platform 1, the staff can remove the nut on the fifth station to waste material guide rail 16 in through control centre gripping conveying mechanism 11 and moving mechanism 15, and the setting of two waste material guide rails 16 makes the unqualified nut of internal diameter and the unqualified nut of no go-to rule can distinguish the processing. When the staff need handle defective nut, remove electronic clamping jaw 114 earlier and snatch the nut, start fifth cylinder 153 this moment and make the piston rod extension of fifth cylinder 153, electronic clamping jaw 114 drives the nut and rises this moment, start third cylinder 113 and make electronic clamping jaw 114 move along the length direction of linear slide rail 111 to make the nut can be in waste material guide rail 16's top, according to the different sixth cylinder 151 piston rods of different length of extension of nut defect, make the nut drop to handle in the corresponding waste material guide rail 16.

Referring to fig. 10, a second conveyor 17 corresponding to the finished product station is disposed on the work platform 1 (see fig. 1), a clamping and transporting mechanism 11 for transporting nuts in the mounting seats 3 (see fig. 1) of the finished product station to the second conveyor 17 is abutted to a side wall of the second conveyor 17, and an elevating mechanism 10 for controlling the clamping and transporting mechanism 11 to ascend and descend is disposed on the work platform 1. The components of the clamping and transporting mechanism 11 and the lifting mechanism 10 are the same as those described above, and are not described in detail. The electric gripper 114 takes out the qualified nuts and moves them onto the second conveyor 17, and the nuts move along the second conveyor 17 to the next process.

The implementation principle of the nut detection machine in the embodiment of the application is as follows: the nut to be detected is conveyed to the first conveying belt 8 through the rotating disc 5, the first conveying belt 8 conveys the nut to be matched with the notch of the blocking block 9, the clamping and conveying mechanism 11 on the edge of the first conveying belt 8 is controlled to convey the nut on the first conveying belt 8 to the mounting seat 3 of the feeding station at the moment, the mounting seat 3 with the nut is moved to the first station from the feeding station through the movement of the rotating platform 2, the light of the light plate 122 irradiates on the nut at the moment, so that the image can be collected by the camera 123, and the collected image is transmitted to a computer by the camera 123 to be analyzed to find whether the inner diameter of the nut is qualified or not; after the inner diameter of the nut is detected, the mounting base 3 with the nut is moved to a second station from a first station through the rotary platform 2, at the moment, a first air cylinder 135 and a first motor 137 are respectively started, the stop gauge head 138 rotates downwards to detect the nut, the number of turns of the stop gauge head 138 can be obtained through the moving distance of the first displacement rod 13162, and at the moment, the moving distance of the first displacement rod 13162 is transmitted to an external computer for analysis, so that whether the nut stop gauge is qualified or not is found; after the detection of the nut no-go gauge is finished, the mounting base 3 with the nut is moved from the second station to the third station through the rotating platform 2, at the moment, the second air cylinder 145 and the second motor 147 are respectively started, the go gauge head 148 rotates downwards to detect the nut, the number of turns of the go gauge head 148 is obtained through the moving distance of the second displacement rod 14162, and the moving distance of the second displacement rod 14162 is transmitted to an external computer for analysis, so that whether the nut go gauge is qualified or not is found; after the nut leads to the rule and detects and finishes, will have the mount pad 3 of nut to move to the waste material station from the third station through rotary platform 2, if one does not accord with the standard in nut internal diameter, no-go gage and the rule that leads to, the centre gripping transport mechanism 11 on waste material station edge will shift out the nut from rotary platform 2 to move to corresponding waste material guide rail 16 according to the difference of nut defect and carry out classification, if nut internal diameter, no-go gage and lead to the rule all qualified, will have the mount pad 3 of nut to move to the finished product station from the waste material station through rotary platform 2, the centre gripping transport mechanism 11 on the finished product station edge will shift out the nut from rotary platform 2 and carry to on second conveyer belt 17 this moment, qualified nut follows second conveyer belt 17 and moves to next process this moment.

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 nut detects machine which characterized in that: including rotary platform (2), be provided with mount pad (3) that are used for placing the nut on rotary platform (2), mount pad (3) warp can be located first station, second station and third station in proper order after rotary platform (2) drive, still include internal diameter detection device (12) that are used for detecting nut internal diameter size that correspond with first station position, no-go gage detection device (13) that are used for detecting the nut no-go gage that correspond with second station position and lead to rule detection device (14) that are used for detecting the nut that lead to the rule that correspond with third station position.

2. The nut inspector of claim 1, wherein: the inner diameter detection device (12) comprises a first fixing frame (121), a light plate (122) and a camera (123), the light plate (122) is connected to the first fixing frame (121) and located below the rotating platform (2), the camera (123) is connected to the first fixing frame (121) and located above the rotating platform (2), the camera (123) and the light plate (122) are arranged oppositely, and the output end of the camera (123) is electrically connected to an external computer.

3. The nut inspector of claim 1, wherein: the no-go gauge detection device (13) comprises a second fixed frame (131), a first air cylinder (135) arranged on the second fixed frame (131), a first moving plate (136) arranged on a piston rod of the first air cylinder (135), a first displacement sensor (1316) connected to the first moving plate (136), a first motor (137) connected to the first moving plate (136) and a stop gauge head (138) coaxially connected to an output shaft of the first motor (137), wherein a first guide assembly which plays a role in guiding the first moving plate (136) up and down is arranged on the second fixed frame (131), the first guide assembly comprises a first connecting block (1313), the first displacement sensor (1316) comprises a first shell (13161) and a first displacement rod (13162), the first shell (13161) is connected to the first connecting block (1313), and the first displacement rod (13162) is connected to the first moving plate (136), the piston rod of the first air cylinder (135) and the output shaft of the first motor (137) are both arranged downwards, and the output end of the first displacement sensor (1316) is electrically connected with an external computer.

4. The nut inspector of claim 1, wherein: the go gauge detection device (14) comprises a third fixing frame (141), a second air cylinder (145) arranged on the third fixing frame (141), a second moving plate (146) arranged on a piston rod of the second air cylinder (145), a second displacement sensor (1416) connected to the second moving plate (146), a second motor (147) connected to the second moving plate (146), and a go gauge head (148) coaxially connected to an output shaft of the second motor (147), wherein a second guide assembly for guiding the second moving plate (146) up and down is arranged on the third fixing frame (141), the second guide assembly comprises a second connecting block (1413), the second displacement sensor (1416) comprises a second shell (61) and a second displacement rod (14162), the second shell (14161) is connected to the second connecting block (1413), and the second displacement rod (14162) is connected to the second moving plate (146), the piston rod of the second air cylinder (145) and the output shaft of the second motor (147) are both arranged downwards, and the output end of the second displacement sensor (1416) is electrically connected with an external computer.

5. The nut inspector of claim 1, wherein: the mounting seat (3) can be driven by the rotary platform (2) to 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 third 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 finished product nuts.

6. The nut inspector of claim 5, wherein: the nut conveying device is characterized by further comprising a first conveying belt (8) corresponding to the feeding station, a rotating disc (5) used for conveying nuts to the first conveying belt (8) in an arrayed mode, a clamping and conveying mechanism (11) used for conveying the nuts on the first conveying belt (8) to the feeding station, and a lifting mechanism (10) used for controlling the clamping and conveying mechanism (11) to lift.

7. The nut inspector of claim 5, wherein: the waste material conveying device further comprises a waste material guide rail (16) corresponding to the waste material station, a clamping and conveying mechanism (11) used for conveying nuts on the waste material station to the waste material guide rail (16), and a moving mechanism (15) used for controlling the clamping and conveying mechanism (11) to ascend and descend.

8. The nut inspector of claim 7, wherein: the waste guide rails (16) are two, and the moving mechanism (15) comprises a transverse moving assembly for controlling the clamping and transporting mechanism (11) to move on the two waste guide rails (16) and a longitudinal moving assembly for controlling the clamping and transporting mechanism (11) to lift.

9. The nut inspector of claim 5, wherein: the nut conveying device is characterized by further comprising a second conveying belt (17) corresponding to the finished product station, a clamping and conveying mechanism (11) used for conveying nuts on the finished product station to the second conveying belt (17), and a lifting mechanism (10) used for controlling the lifting of the clamping and conveying mechanism (11).

10. The nut inspector of claim 6, 7 or 9, wherein: centre gripping conveying mechanism (11) include linear slide rail (111), slide block (112) that slides along linear slide rail (111) length direction, set up in third cylinder (113) of linear slide rail (111) length direction one side, set up and be used for centre gripping nut electric clamping jaw (114) on slide block (112) and set up travel switch (115) of keeping away from third cylinder (113) one side in linear slide rail (111), the length direction setting of linear slide rail (111) is followed to the piston rod of third cylinder (113), the lateral wall of electric clamping jaw (114) is connected on third cylinder (113) piston rod, works as electric clamping jaw (114) are contradicted during travel switch (115), third cylinder (113) piston rod stop movement.