CN211759799U - Full-automatic chain wheel tapping mechanism with thread detection function - Google Patents

Abstract

The utility model belongs to the technical field of machining equipment and specifically relates to a full-automatic tapping mechanism of sprocket that threaded detection was detected is related to. The utility model provides a full-automatic tapping mechanism of sprocket that threaded detection, includes the frame, be provided with the mounting disc in the frame, be provided with the below that is located the mounting disc in the frame and can intermittent rotation's carousel, the interval is provided with a plurality of carriers on the outward flange of carousel, be provided with the centre bore matched with reference column with the sprocket on the carrier, correspond the carrier and set gradually material loading correction mechanism, material loading reinspection mechanism, positive chamfer mechanism, turn-over mechanism, reverse side chamfer mechanism, tapping mechanism, first thread detection mechanism, second thread detection mechanism, qualified finished product unloading mechanism and defective products rejection mechanism along the outward flange direction on the mounting disc. The utility model discloses work efficiency is high, and the tapping ability is strong, can judge whether qualified the screw thread, artifical low in labor strength.

Description

Full-automatic chain wheel tapping mechanism with thread detection function

Technical Field

The utility model belongs to the technical field of machining equipment and specifically relates to a full-automatic tapping mechanism of sprocket that threaded detection was detected is related to.

Background

The high-speed belt detection thread tapping mechanism is used for automatically tapping small transmission chain wheels of motorcycles and other hardware products.

The finished sprocket generally has a center hole and threaded holes located on both sides of the center hole, and before tapping, two through holes are generally punched on the sprocket and then tapped by a sprocket tapping mechanism.

Present sprocket tapping mechanism that has usually comprises feed mechanism, material loading reinspection mechanism, chamfer mechanism, tapping mechanism and discharge mechanism, but present sprocket tapping mechanism's work efficiency is slow, and tapping capability is poor, can't judge whether qualified screw thread, in case produce unqualifiedly will be in batches, extravagant too many resources, and need artifical auxiliary production, artifical intensity of labour is big, and enterprise's economic benefits is low.

For example, chinese patent publication No. CN203245462U, issued in 2013, 10, 23, and particularly relates to a full-automatic tapping machine; the automatic tapping machine comprises a box-type base, a drilling and tapping machine, a workpiece feeding device, a one-dimensional propeller, a tapping clamp for clamping a workpiece, a hopper for collecting the workpiece and a tapping judgment device, wherein the workpiece feeding device, the one-dimensional propeller, the tapping clamp and the hopper are sequentially arranged on the upper surface of the box-type base from left to right, an inclined material guide chute is connected between the one-dimensional propeller and the workpiece feeding device, and the drilling and tapping machine is provided with the tapping judgment device; the utility model discloses an useful part lies in: the full automation has been realized to whole tapping process, has reduced the energy consumption, and its extensive applicability, environment friendly, but work efficiency is slow, and tapping ability is poor, can't judge whether qualified screw thread, in case produce unqualifiedly will be the batch, extravagant too many resources, and need artifical auxiliary production, artifical intensity of labour is big, enterprise economic benefits is low.

Disclosure of Invention

The utility model discloses mainly be slow to current sprocket tapping mechanism's work efficiency, tapping ability is poor, can't judge whether qualified screw thread, in case produce unqualifiedly will be in batches, extravagant too many resources, and need artifical auxiliary production, artifical intensity of labour is big, the problem that economic benefits of enterprise hangs down provides a work efficiency height, and the tapping ability is strong, can judge whether qualified screw thread, artifical intensity of labour is low for the full-automatic tapping mechanism of sprocket that the economic benefits of enterprise's high band thread detected.

The purpose of the utility model is mainly realized by the following scheme: a full-automatic chain wheel tapping mechanism with thread detection comprises a rack, wherein a mounting disc is arranged on the rack, a rotary disc which is positioned below the mounting disc and can rotate intermittently is arranged on the rack, a plurality of carriers are arranged on the outer edge of the rotary disc at intervals, a feeding correction mechanism, a feeding rechecking mechanism, a front chamfering mechanism, a turn-over mechanism, a reverse chamfering mechanism, a tapping mechanism, a first thread detection mechanism, a second thread detection mechanism, a qualified finished product blanking mechanism and a defective product rejection mechanism are sequentially arranged on the mounting disc along the direction of the outer edge corresponding to the carriers, the feeding correction mechanism comprises a vibrating disc for conveying a chain wheel and a first substrate fixed on the mounting disc, a first guide column is arranged on the first substrate, an upper fixing plate is arranged on the first guide column, and a first lifting cylinder is arranged on the upper fixing plate, the output shaft of the first lifting cylinder is connected with a first lifting plate, the first lifting plate is connected onto a first guide post in a sliding manner, the first lifting plate is provided with a correcting device for correcting the direction of the chain wheel, the two sides of the first base plate are provided with mounting plates, the mounting plates are provided with guide plates corresponding to the discharge end of the vibration disc, the two sides of each guide plate are provided with first slide rails, the side of each mounting plate is provided with a first translation cylinder, a piston rod of each first translation cylinder is connected with a push plate corresponding to the corresponding guide plate, the push plates are positioned below the guide plates, the two sides of each push plate are provided with first slide blocks in sliding connection with the first slide rails, the guide plates are provided with feed holes for enabling the chain wheel to fall onto the push plates, the corresponding correcting devices on the push plates are provided with correcting grooves for accommodating the chain wheels, and one end, close to the vibration disc, of the first lifting plate is provided with a, the top of feed plate is provided with the material loading cylinder, the piston rod of material loading cylinder is connected with material loading gas claw, the expansion end of material loading gas claw be provided with the splint that are used for pressing from both sides to get the sprocket. The rack is provided with a mounting disc, the rack is provided with a turntable which is positioned below the mounting disc and can rotate intermittently, the turntable is driven by an existing cam divider to move intermittently, a plurality of carriers are arranged on the outer edge of the turntable at intervals, the mounting disc is sequentially provided with a feeding correction mechanism, a feeding rechecking mechanism, a front chamfering mechanism, a turn-over mechanism, a reverse chamfering mechanism, a tapping mechanism, a first thread detection mechanism, a second thread detection mechanism, a qualified finished product blanking mechanism and a defective product rejection mechanism along the direction of the outer edge corresponding to the carriers, the feeding correction mechanism can correct the chain wheel to a set position and then feed, the feeding rechecking mechanism can detect whether the position of the chain wheel is correctly placed, the front chamfering mechanism can chamfer the front of a through hole on the chain wheel, and the turn-over mechanism can enable the reverse side of the chain wheel which is not chamfered to face upwards, the reverse side chamfering mechanism can chamfer the reverse side of the through hole on the chain wheel, the tapping mechanism can simultaneously tap two through holes on the chain wheel, the first thread detection mechanism and the second thread detection mechanism can respectively detect two threaded holes, the qualified finished product blanking mechanism can blank the qualified finished product chain wheel, the defective product eliminating mechanism can blank the unqualified chain wheel, the feeding correction mechanism comprises a vibrating disc for conveying the chain wheel and a first base plate fixed on the mounting disc, a first guide column is arranged on the first base plate, the number of the first guide columns is two, an upper fixing plate is arranged on the first guide column, a first lifting cylinder is arranged on the upper fixing plate, an output shaft of the first lifting cylinder is connected with a first lifting plate, the first lifting plate is connected to the first guide column in a sliding manner, and a correction device for correcting the direction of the chain wheel is arranged on the first lifting plate, the two sides of the first base plate are provided with mounting plates, the mounting plates are provided with guide plates corresponding to the discharge end of the vibrating disc, the two sides of the guide plates are provided with first slide rails, the side of the mounting plates is provided with a first translation cylinder, a piston rod of the first translation cylinder is connected with a push plate corresponding to the guide plates, the push plate is positioned below the guide plates, the two sides of the push plate are provided with first slide blocks in sliding connection with the first slide rails, the first translation cylinder can drive the push plate and the first slide blocks to move along the first slide rails when being started, the guide plates are provided with feed holes for enabling the chain wheels to fall onto the push plate, the push plate is provided with correction grooves corresponding to the correction devices for accommodating the chain wheels, one end of the first lifting plate close to the vibrating disc is provided with a feed plate, the top end of the feed plate is provided with a feeding cylinder, the piston rod of the feeding cylinder is connected with a feeding gas claw, the whole device is controlled by a PLC, and the automation degree is high.

Preferably, the correcting device comprises a correcting motor, an output shaft of the correcting motor is connected with a rotating seat, a positioning head matched with the center of the chain wheel is arranged in the middle of the rotating seat, positioning needles matched with two through holes in the chain wheel are arranged on two sides of the positioning head on the rotating seat, the positioning head and the positioning needles are connected with the rotating seat through correcting springs, and an installation sleeve is arranged on the rotating seat around the positioning head and the positioning needles. The correcting device comprises a correcting motor, an output shaft of the correcting motor is connected with a rotating seat, the middle part of the rotating seat is provided with a positioning head matched with the center of a chain wheel, positioning needles matched with two through holes on the chain wheel are arranged on the two sides of the positioning head on the rotating seat, the positioning head and the positioning needles are connected with the rotating seat through correcting springs, a mounting sleeve is arranged on the rotating seat around the positioning head and the positioning needles, when the positioning head enters the central hole of the chain wheel and the two positioning pins are abutted against the chain wheel, the correcting motor is started, the output shaft of the correcting motor drives the rotating seat to rotate for a certain angle, thereby driving the two positioning needles to rotate, when the positioning needles pass through the corresponding through holes during rotation, the positioning needles can enter the through holes under the action of the correction spring and drive the chain wheel to rotate together, when the rotating seat stops rotating, the chain wheel is corrected to the set position, and the stability of the two positioning needles in rotation can be guaranteed due to the arrangement of the mounting sleeve.

Preferably, the positioning head and one end of the positioning needle away from the rotating seat are both in a conical shape with gradually reduced cross-sectional area. The locating head and the end of the locating needle, which is far away from the rotary seat, are both in a conical shape with the cross section area gradually reduced, so that the locating head can be conveniently embedded into the central hole, and the locating needle can be conveniently embedded into the through hole.

Preferably, the clamping plate is provided with a positioning pin matched with the chain wheel. Be provided with on the splint with sprocket matched with locating pin, the locating pin can play the additional action, and the splint of being convenient for presss from both sides the sprocket tight, prevents that the condition that the sprocket drops from appearing when splint drive sprocket removes.

Preferably, the gap between the push plate and the guide plate is smaller than the thickness of the sprocket. The clearance between push pedal and the deflector is less than the thickness of sprocket to make the push pedal when removing, can not drive the sprocket that is located the feed port simultaneously and remove, only when the push pedal removes the position that the correction groove corresponds the feed port, this sprocket just can fall into the correction inslot.

Preferably, a pressing plate is arranged on one side, close to the discharge end of the vibrating disc, of the guide plate, and a channel allowing the chain wheel to pass through is formed between the pressing plate and the guide plate. One side that is close to the discharge end of vibration dish on the deflector is provided with the clamp plate, forms the passageway that lets the sprocket pass through between clamp plate and the deflector, and the sprocket of the ejection of compact can get into in the passageway between clamp plate and the deflector in proper order from the vibration dish in to stability when making the sprocket material loading is high.

Preferably, the turnover mechanism comprises a first bottom plate arranged on the mounting disc, a second guide post is arranged on the first bottom plate, a first top plate is arranged on the second guide post, a second lifting cylinder is arranged on the first top plate, a piston rod of the second lifting cylinder is connected with a first lifting rod, the first lifting rod is connected with the second guide post in a sliding manner, one end, far away from the second guide post, of the first lifting rod is connected with a rotary cylinder, and an output shaft of the rotary cylinder is connected with a turnover gas claw used for clamping the chain wheel. The turnover mechanism comprises a first bottom plate arranged on the mounting plate, second guide posts are arranged on the first bottom plate, the number of the second guide posts is two, a first top plate is arranged on the second guide posts, a second lifting cylinder is arranged on the first top plate, a piston rod of the second lifting cylinder is connected with a first lifting rod, the first lifting rod is connected with the second guide posts in a sliding manner, one end of the first lifting rod, which is far away from the second guide posts, is connected with a rotary cylinder, an output shaft of the rotary cylinder is connected with a turnover gas claw for clamping a chain wheel, when the chain wheel moves to a position corresponding to the turnover mechanism, the second lifting cylinder is started, the piston rod of the second lifting cylinder drives the first lifting rod to move downwards, so that the movable end of the turnover gas claw corresponds to the chain wheel, then the turnover gas claw is started, the movable end of the turnover gas claw clamps the chain wheel, and then the second lifting cylinder is started to drive the first lifting rod to move upwards, make the sprocket break away from on the carrier, start revolving cylinder afterwards, revolving cylinder's output drives the sprocket upset for the reverse side of sprocket is up, then drives the sprocket through second lift cylinder and remove to the carrier again on, the movable end of turn-over gas claw loosens the sprocket, and second lift cylinder starts and drives first lifter and reset.

Preferably, the first thread detection mechanism and the second thread detection mechanism are identical in structure, the first thread detection mechanism and the second thread detection mechanism comprise second bottom plates arranged on the mounting disc, third guide posts are arranged on the second bottom plates, second top plates are arranged on the third guide posts, third lifting cylinders are arranged on the second top plates, piston rods of the third lifting cylinders are connected with second lifting plates, the second lifting plates are connected with the third guide posts in a sliding mode, and the second lifting plates are connected with electric screwdriver used for detecting threaded holes. The first thread detection mechanism and the second thread detection mechanism have the same structure, because the chain wheel is provided with two threaded holes, two detection mechanisms are needed for detection, the first thread detection mechanism and the second thread detection mechanism respectively comprise a second bottom plate arranged on the mounting disc, the second bottom plate is provided with two third guide posts, the third guide posts are provided with a second top plate, the second top plate is provided with a third lifting cylinder, a piston rod of the third lifting cylinder is connected with a second lifting plate, the second lifting plate is in sliding connection with the third guide posts, the second lifting plate is connected with an electric screwdriver for detecting the threaded holes, the electric screwdriver can adjust the torsion, whether the threads are good or bad and whether the screw taps are in problem or not and the abrasion condition of the screw taps can be detected through the torsion, and when the torsion value of the electric screwdriver is larger than a preset value, an automatic alarm can be given, thereby detecting whether the threaded hole is qualified.

Preferably, the qualified finished product blanking mechanism and the defective product rejecting mechanism are identical in structure, the qualified finished product blanking mechanism and the defective product rejecting mechanism both comprise a third bottom plate arranged on the mounting disc, a support column is arranged on the third bottom plate, a second base plate is connected onto the support column, a second translation cylinder and a second slide rail are arranged on the side face of the second base plate, a second slide block connected with the second slide rail in a sliding manner is connected onto a piston rod of the second translation cylinder, a fourth lifting cylinder is arranged on the second slide block, and a discharge air claw used for clamping the chain wheel is connected onto a piston rod of the fourth lifting cylinder. The qualified finished product blanking mechanism and the defective product rejecting mechanism have the same structure, the qualified finished product blanking mechanism and the defective product rejecting mechanism respectively comprise a third bottom plate arranged on a mounting disc, a support column is arranged on the third bottom plate, a second substrate is connected onto the support column, a second translation cylinder and a second slide rail are arranged on the side surface of the second substrate, a second slide block which is connected with the second slide rail in a sliding manner is connected onto a piston rod of the second translation cylinder, a fourth lifting cylinder is arranged on the second slide block, a discharge air claw for clamping a chain wheel is connected onto a piston rod of the fourth lifting cylinder, when the chain wheel moves to the corresponding mechanism, the fourth lifting cylinder is started, the piston rod of the fourth lifting cylinder drives the discharge air claw to move downwards, the discharge air claw can clamp the chain wheel when being started, the fourth lifting cylinder drives the discharge air claw to move upwards so as to separate the chain wheel from a carrier, and then the second translation cylinder is, after a piston rod of the second translation cylinder drives the fourth lifting cylinder and the second sliding block to move for a certain distance along the second sliding rail, the movable end of the discharging air claw loosens the chain wheel, and therefore discharging of the chain wheel is achieved.

Therefore, the utility model discloses a full-automatic tapping mechanism of sprocket that threaded detection possesses following advantage: the utility model discloses a work efficiency is high, the tapping ability is strong, can judge whether qualified the screw thread, artifical low in labor strength, make enterprise economic benefits high, and the utility model discloses well manual work only need reinforced at the regulation time, thereby it is faster to need not the manual work to discern the product direction, the automatic work position of grabbing of product after the direction discernment, whether put the product automated inspection on the work position, carry out 2 chamfers to the product that detects, to the automatic upset of product, thereby can carry out 2 times chamfers, and to the quick accurate tapping of product, can whether qualified by automated inspection screw thread, it is qualified to accomplish 100% of factory products, reduce cost of enterprise and after-sale service, qualified and unqualified product is chosen automatically, need not the manual work and discerns.

Drawings

Fig. 1 is a schematic structural diagram of the present invention at a first angle.

Fig. 2 is a schematic structural view of the present invention at a second angle.

Fig. 3 is a schematic structural diagram of the present invention at a third angle.

Fig. 4 is a schematic structural diagram of the middle feeding correction structure of the utility model.

Fig. 5 is a schematic structural diagram of the feeding straightening mechanism of the present invention after the vibrating plate, the mounting plate and the pressing plate are removed.

Fig. 6 is a front view of fig. 5.

Fig. 7 is a schematic structural view of fig. 5 with the guide plate and the first slide rail removed.

Fig. 8 is a schematic structural diagram of the middle correction device of the present invention.

Fig. 9 is a schematic view of the structure of fig. 8 with the mounting sleeve removed.

Fig. 10 is a schematic structural diagram of the turn-over mechanism of the present invention.

Fig. 11 is a schematic structural diagram of the first thread detecting mechanism or the second thread detecting mechanism of the present invention.

Fig. 12 is a schematic structural diagram of the discharging mechanism for the qualified finished products or the rejecting mechanism for the defective products of the utility model.

Illustration of the drawings: 1-a rack, 2-a feeding rechecking mechanism, 3-a front chamfering mechanism, 4-a turning mechanism, 5-a back chamfering mechanism, 6-a tapping mechanism, 7-a first thread detecting mechanism, 8-a second thread detecting mechanism, 9-a qualified finished product discharging mechanism, 10-a defective product rejecting mechanism, 11-a feeding correcting mechanism, 12-a chain wheel, 13-a rotating disc, 14-a carrier, 15-a positioning column, 16-a vibrating disc, 17-a pressing plate, 18-a feeding air claw, 19-a feeding air cylinder, 20-a correcting motor, 21-an upper fixing plate, 22-a first lifting air cylinder, 23-a first guide column, 24-a first lifting plate, 25-a feeding plate, 26-a mounting plate, 27-a first slide block and 28-a first slide rail, 29-guide plate, 30-first translation cylinder, 31-feed hole, 32-push plate, 33-correction device, 34-clamping plate, 35-correction groove, 36-positioning pin, 37-rotary base, 38-mounting sleeve, 39-correction spring, 40-positioning pin, 41-positioning head, 42-first bottom plate, 43-second guide column, 44-second lifting cylinder, 45-first top plate, 46-first lifting rod, 47-mounting plate, 48-rotary cylinder, 49-turn-over air claw, 50-second top plate, 51-third guide column, 52-second lifting plate, 53-second bottom plate, 54-third lifting cylinder, 55-electric batch, 56-second translation cylinder, 57-second base plate, 58-supporting column, 59-third bottom plate, 60-second sliding block, 61-second sliding rail, 62-fourth lifting cylinder, 63-discharging gas claw and 64-first base plate.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example 1:

as shown in fig. 1, 2, 3, 4, 5, 6 and 7, a full-automatic tapping mechanism for a sprocket with thread detection comprises a frame 1, wherein a mounting disc 47 is arranged on the frame 1, a rotary disc 13 which is positioned below the mounting disc 47 and can rotate intermittently is arranged on the frame 1, the rotary disc 13 is driven by a conventional cam divider to move intermittently, a plurality of carriers 14 are arranged at intervals on the outer edge of the rotary disc 13, positioning columns 15 which are matched with the central holes of the sprocket are arranged on the carriers 14, the positioning columns 15 are used for positioning the sprocket 12, a feeding correction mechanism 11, a feeding rechecking mechanism 2, a front chamfering mechanism 3, a turn-over mechanism 4, a back chamfering mechanism 5, a tapping mechanism 6, a first thread detection mechanism 7, a second thread detection mechanism 8, a finished product qualified blanking mechanism 9 and a defective product rejecting mechanism 10 are sequentially arranged on the mounting disc 47 along the outer edge direction corresponding to the carriers 14, the feeding correction mechanism 11 can correct the chain wheel 12 to a set position and then feed, the feeding rechecking mechanism 2 can detect whether the position of the chain wheel is correctly placed, the front chamfering mechanism 3 can chamfer the front of the through hole on the chain wheel, the turn-over mechanism 4 can enable the back of the chain wheel which is not chamfered to face upwards, the back chamfering mechanism 5 can chamfer the back of the through hole on the chain wheel, the tapping mechanism 6 can tap two through holes on the chain wheel simultaneously, the first thread detection mechanism 7 and the second thread detection mechanism 8 can respectively detect two threaded holes, the qualified finished product feeding mechanism 9 can feed the qualified finished product chain wheel, the unqualified product rejecting mechanism 10 can feed the unqualified chain wheel, the feeding correction mechanism 11 comprises a vibrating disc 16 for conveying the chain wheel and a first substrate 64 fixed on a mounting disc 47, the first base plate 64 is provided with two first guide columns 23, the first guide columns 23 are provided with an upper fixing plate 21, the upper fixing plate 21 is provided with a first lifting cylinder 22, an output shaft of the first lifting cylinder 22 is connected with a first lifting plate 24, the first lifting plate 24 is connected onto the first guide columns 23 in a sliding mode, the first lifting plate 24 is provided with a correcting device 33 used for correcting the direction of a chain wheel, two sides of the first base plate 64 are provided with mounting plates 26, the mounting plates 26 are provided with guide plates 29 corresponding to the discharge ends of the vibration discs 16, one sides, close to the discharge ends of the vibration discs 16, of the guide plates 29 are provided with pressure plates 17, a channel for the chain wheel to pass through is formed between the pressure plates 17 and the guide plates 29, the chain wheels discharged from the vibration discs 16 sequentially enter the channel between the pressure plates 17 and the guide plates 29, and accordingly stability in the chain wheel feeding process is high; the two sides of the guide plate 29 are provided with first slide rails 28, the side of the mounting plate 26 is provided with a first translation cylinder 30, a piston rod of the first translation cylinder 30 is connected with a push plate 32 corresponding to the guide plate 29, the push plate 32 is positioned below the guide plate 29, two sides of the push plate 32 are provided with first slide blocks 27 slidably connected with the first slide rails 28, the first translation cylinder 30 can drive the push plate 32 and the first slide blocks 27 to move along the first slide rails 28 when being started, the guide plate 29 is provided with feed holes 31 for enabling the chain wheels to fall onto the push plate 32, the push plate 32 is provided with correction grooves 35 corresponding to the correction devices 33 for accommodating the chain wheels, and the gap between the push plate 32 and the guide plate 29 is smaller than the thickness of the chain wheels, so that the push plate 32 cannot drive the chain wheels positioned in the feed holes 31 to move simultaneously when moving, only when the push plate 32 moves to the positions of the correction grooves 35 corresponding to the feed, this sprocket just can fall into in correcting groove 35, the one end that is close to vibration dish 16 on the first lifter plate 24 is provided with feed plate 25, the top of feed plate 25 is provided with material loading cylinder 19, the piston rod of material loading cylinder 19 is connected with material loading air claw 18, the expansion end of material loading air claw 18 is provided with the splint 34 that are used for pressing from both sides the clamp and get the sprocket, be provided with on the splint 34 with sprocket matched with locating pin 36, locating pin 36 can play the additional action, it is tight with the sprocket clamp to be convenient for splint 34, the condition that the sprocket drops appears when preventing splint 34 from driving the sprocket and removing, whole device controls through PLC, degree of automation is high.

As shown in fig. 8 and 9, the correcting device 33 includes a correcting motor 20, an output shaft of the correcting motor 20 is connected with a rotating base 37, a positioning head 41 matched with the center of the chain wheel is arranged in the middle of the rotating base 37, positioning pins 40 matched with two through holes on the chain wheel are arranged on both sides of the positioning head 41 on the rotating base 37, the positioning head 41 and one end of the positioning pin 40 far away from the rotating base 37 are both in a cone shape with gradually reduced cross-sectional area, so that the positioning head 41 can be embedded into the central hole, the positioning pin 40 can be embedded into the through hole, the positioning head 41 and the positioning pin 40 are both connected with the rotating base 37 through a correcting spring 39, a mounting sleeve 38 is arranged on the rotating base 37 around the positioning head 41 and the positioning pin 40, the first lifting cylinder drives the first lifting plate to move downwards after being started, when the positioning head 41 enters the central hole of the chain wheel and the two positioning pins 40 are abutted against, the output shaft of correction motor 20 drives the rotatory certain angle of roating seat 37 to drive two pilot pins 40 and rotate, pilot pin 40 can get into in this department's through-hole and drive the sprocket and rotate together through the effect of correcting the spring when rotating when corresponding through-hole department, makes roating seat 37 when stopping rotatory, and the sprocket is corrected the position of settlement, and the setting of installation cover 38 can guarantee the stability of two pilot pins 40 when the rotation.

As shown in fig. 10, the turnover mechanism 4 includes a first bottom plate 42 disposed on a mounting plate 47, the first bottom plate 42 is provided with two second guide posts 43, the second guide posts 43 are provided with a first top plate 45, the first top plate 45 is provided with a second lifting cylinder 44, a piston rod of the second lifting cylinder 44 is connected with a first lifting rod 46, the first lifting rod 46 is slidably connected with the second guide posts 43, one end of the first lifting rod 46, which is far away from the second guide posts 43, is connected with a rotating cylinder 48, an output shaft of the rotating cylinder 48 is connected with a turnover gas claw 49 for clamping a sprocket, when the sprocket moves to the corresponding turnover mechanism 4, the second lifting cylinder 44 is started, the piston rod of the second lifting cylinder 44 drives the first lifting rod 46 to move downwards, so that the movable end of the turnover gas claw 49 corresponds to the sprocket, then the turnover gas claw 49 is started, so that the movable end of the turnover gas claw 49 clamps the sprocket, and then the second lifting cylinder 44 is started to drive the first lifting rod 46 to move upwards, so that the chain wheel is separated from the carrier 14, then the rotating cylinder 48 is started, the output end of the rotating cylinder 48 drives the chain wheel to turn over, so that the reverse side of the chain wheel faces upwards, then the chain wheel is driven to move onto the carrier 14 again through the second lifting cylinder 44, the movable end of the turn-over air claw 49 loosens the chain wheel, and the second lifting cylinder 44 is started and drives the first lifting rod 46 to reset.

As shown in fig. 11, the first thread detecting mechanism 7 and the second thread detecting mechanism 8 have the same structure, and two threaded holes are formed in the sprocket, so that two detecting mechanisms are required to detect the thread, the first thread detecting mechanism 7 and the second thread detecting mechanism 8 each include a second bottom plate 53 disposed on the mounting plate 47, three guide posts 51 are disposed on the second bottom plate 53, the number of the third guide posts 51 is two, a second top plate 50 is disposed on the third guide posts 51, a third lifting cylinder 54 is disposed on the second top plate 50, a piston rod of the third lifting cylinder 54 is connected to a second lifting plate 52, the second lifting plate 52 is slidably connected to the third guide posts 51, an electric batch 55 for detecting the threaded holes is connected to the second lifting plate 52, the electric batch 55 can adjust a torsion force, and can detect whether the thread is good or bad, whether the tap is in a problem, and whether the tap is worn, when the torque value of the electric screwdriver 55 is larger than the preset value, an alarm can be automatically given, so that whether the threaded hole is qualified or not can be detected.

As shown in fig. 12, the qualified product blanking mechanism 9 and the defective product rejecting mechanism 10 have the same structure, the qualified product blanking mechanism 9 and the defective product rejecting mechanism 10 both include a third bottom plate 59 disposed on the mounting plate 47, a support pillar 58 is disposed on the third bottom plate 59, a second substrate 57 is connected to the support pillar 58, a second translational cylinder 56 and a second slide rail 61 are disposed on a side surface of the second substrate 57, a second slider 60 slidably connected to the second slide rail 61 is connected to a piston rod of the second translational cylinder 56, a fourth lifting cylinder 62 is disposed on the second slider 60, a discharge air claw 63 for gripping a sprocket is connected to a piston rod of the fourth lifting cylinder 62, when the sprocket moves to the corresponding mechanism, the fourth lifting cylinder 62 is started, the piston rod of the fourth lifting cylinder 62 drives the discharge air claw 63 to move downward, the discharge air claw 63 can clamp the sprocket when the discharge air claw 63 is started, and the fourth lifting cylinder 62 drives the discharge air claw 63 to move upward so as to separate the sprocket from the carrier 14, then the second translation cylinder 56 is started, and after the piston rod of the second translation cylinder 56 drives the fourth lifting cylinder 62 and the second slider 60 to move for a certain distance along the second slide rail 61, the movable end of the discharging air claw 63 loosens the chain wheel, so that the chain wheel is discharged.

The use method of the full-automatic chain wheel tapping mechanism with the thread detection comprises the following steps:

step one, manually feeding materials to a vibration disc 16, sequentially conveying chain wheels to be processed to a guide plate 29 under the action of the vibration disc 16, wherein a piston rod of a first translation cylinder 30 is in a contraction state, and the chain wheels penetrate through a feeding hole 31 and then are pressed on a push plate 32;

step two, the piston rod of the first translation cylinder 30 extends out to drive the push plate 32 to move along the direction of the first slide rail 28, and the chain wheel falls into the correction groove 35;

thirdly, the first translation cylinder 30 resets to drive the push plate 32 to return to the position corresponding to the correction device 33 after resetting;

step four, the first lifting cylinder 22 is started to drive the first lifting plate 24 to move downwards, then the positioning head 41 enters a central hole of the chain wheel, the two positioning pins 40 abut against the chain wheel, then the correction motor 20 is started, an output shaft of the correction motor 20 drives the rotating base 37 to rotate for a certain angle, so that the two positioning pins 40 are driven to rotate, when the positioning pins 40 pass through corresponding through holes during rotation, the positioning pins enter the through holes under the action of the correction springs and drive the chain wheel to rotate together, and when the rotating base 37 stops rotating, the chain wheel is corrected to a set position;

step five, starting the feeding cylinder 19, driving the feeding air claw 18 to move downwards to the corresponding sprocket by the piston rod of the feeding cylinder 19, then the feeding gas claw 18 is started, the movable end on the feeding gas claw 18 drives the clamping plate 34 to move so as to clamp the chain wheel, then the first lifting cylinder 22 is started, the piston rod of the first lifting cylinder 22 drives the correcting device 33, the feeding gas claw 18 and the chain wheel to move upwards to the position of the separation push plate 32, then the piston rod of the first translation cylinder 30 extends out to drive the push plate 32 to move along the first slide rail 28, a new chain wheel positioned in the feeding hole 31 falls into the empty straightening groove 35, at the same time, the feeding cylinder 19 is started and drives the chain wheel clamped by the feeding air claw 18 to move downwards to the carrier 14, the central hole of the chain wheel is positioned in the positioning column 15, then the feeding air claw 18 is started to enable the clamping plate 34 to be far away from the chain wheel, and then the feeding air cylinder 19 is started to reset to drive the feeding air claw 18 and the clamping plate 34 to reset to the upper part of the push plate 32;

sixthly, the rotating disc 13 rotates by a certain angle to enable the chain wheel to move to the position corresponding to the feeding rechecking mechanism 2, then the feeding correcting mechanism 11 repeats the steps in the third step, the fourth step and the fifth step, the feeding rechecking mechanism 2 can detect whether the position of the chain wheel is correctly placed, if the position is correctly placed, the next step is carried out, if the position is not correctly placed, the next step is not carried out, and discharging is carried out through the defective product rejecting mechanism 10 when the chain wheel moves to the position corresponding to the defective product rejecting mechanism 10 under the action of the rotating disc 13;

step seven, after the turntable 13 rotates for a certain angle again, the chain wheel moves to the position corresponding to the front chamfering mechanism 3, and the front chamfering mechanism 3 can chamfer the front surfaces of the two through holes on the chain wheel;

step eight, after the turntable 13 rotates a certain angle again, the chain wheel moves to the position corresponding to the turnover mechanism 4, the second lifting cylinder 44 is started, the piston rod of the second lifting cylinder 44 drives the first lifting rod 46 to move downwards, so that the movable end of the turnover air claw 49 corresponds to the chain wheel, then the turnover air claw 49 is started, so that the movable end of the turnover air claw 49 clamps the chain wheel, then the second lifting cylinder 44 is started to drive the first lifting rod 46 to move upwards, so that the chain wheel is separated from the carrier 14, then the rotary cylinder 48 is started, the output end of the rotary cylinder 48 drives the chain wheel to turn over, so that the reverse side of the chain wheel faces upwards, then the chain wheel is driven by the second lifting cylinder 44 to move onto the carrier 14 again, the movable end of the turnover air claw 49 loosens the chain wheel, and the second lifting cylinder 44 is started and drives the first lifting rod 46;

step nine, after the turntable 13 rotates for a certain angle again, the chain wheel with the reverse side facing upwards moves to the position corresponding to the reverse side chamfering mechanism 5, and the reverse side chamfering mechanism 5 can chamfer the reverse sides of the two through holes on the chain wheel;

step ten, after the rotary table 13 rotates for a certain angle again, the front side and the back side of the rotary table are moved to the corresponding tapping mechanism 6 through the chamfered chain wheel, and the tapping mechanism 6 can tap two through holes in the chain wheel to tap the two through holes into threaded holes;

step eleven, after the rotary table 13 rotates for a certain angle again, the chain wheel with two threaded holes moves to the position corresponding to the first thread detection mechanism 7, the third lifting cylinder 54 is started, the piston rod of the third lifting cylinder 54 drives the second lifting plate 52 to move downwards, so that the electric batch 55 enters one of the threaded holes, the electric batch 55 on the first thread detection mechanism 7 can detect one of the threaded holes, if the detection is qualified, the step twelve is carried out, and if the detection is unqualified, the chain wheel moves to the position corresponding to the defective product rejection mechanism 10 under the action of the rotary table 13, and then the defective product rejection mechanism 10 discharges materials;

step twelve, after the rotary table 13 rotates a certain angle again, the chain wheel with two threaded holes moves to the position corresponding to the second thread detection mechanism 8, the electric screwdriver 55 on the second thread detection mechanism 8 can detect the threaded holes which are not detected, if the detection is qualified, the step thirteen is carried out, and if the detection is unqualified, the chain wheel moves to the position corresponding to the defective product rejection mechanism 10 under the action of the rotary table 13, and then the chain wheel is discharged through the defective product rejection mechanism 10;

thirteenth, after the rotary table 13 rotates a certain angle again, the chain wheel with two qualified threaded holes detected is moved to the position corresponding to the qualified finished product blanking mechanism 9, the fourth lifting cylinder 62 is started, the piston rod of the fourth lifting cylinder 62 drives the discharging gas claw 63 to move downwards, the discharging gas claw 63 can clamp the chain wheel when being started, the fourth lifting cylinder 62 drives the discharging gas claw 63 to move upwards so that the chain wheel is separated from the carrier 14, then the second translation cylinder 56 is started, the piston rod of the second translation cylinder 56 drives the fourth lifting cylinder 62 and the second slide block 60 to move for a certain distance along the second slide rail 61, the movable end of the discharging gas claw 63 loosens the chain wheel, so that the qualified chain wheel is blanked, and then the second translation cylinder 56 is started and reset to wait for the next operation;

fourteen, under the action of the rotary disc 13, the chain wheel which moves to the position corresponding to the defective product eliminating mechanism 10 is an unqualified chain wheel, and the unqualified chain wheel is discharged through the defective product eliminating mechanism 10.

The designed capacity is 900 per hour, and the actual capacity is 720 per hour.

It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Claims (9)

1. A full-automatic chain wheel tapping mechanism with thread detection comprises a rack, wherein a mounting disc is arranged on the rack, a rotary disc which is positioned below the mounting disc and can rotate intermittently is arranged on the rack, a plurality of carriers are arranged on the outer edge of the rotary disc at intervals, a feeding correction mechanism, a feeding rechecking mechanism, a front chamfering mechanism, a turn-over mechanism, a reverse chamfering mechanism, a tapping mechanism, a first thread detection mechanism, a second thread detection mechanism, a qualified finished product blanking mechanism and a defective product rejection mechanism are sequentially arranged on the mounting disc along the direction of the outer edge corresponding to the carriers, the full-automatic chain wheel tapping mechanism is characterized in that the feeding correction mechanism comprises a vibrating disc for conveying a chain wheel and a first base plate fixed on the mounting disc, a first guide column is arranged on the first base plate, an upper fixing plate is arranged on the first guide column, and a first lifting cylinder is arranged on the upper fixing plate, the output shaft of the first lifting cylinder is connected with a first lifting plate, the first lifting plate is connected onto a first guide post in a sliding manner, the first lifting plate is provided with a correcting device for correcting the direction of the chain wheel, the two sides of the first base plate are provided with mounting plates, the mounting plates are provided with guide plates corresponding to the discharge end of the vibration disc, the two sides of each guide plate are provided with first slide rails, the side of each mounting plate is provided with a first translation cylinder, a piston rod of each first translation cylinder is connected with a push plate corresponding to the corresponding guide plate, the push plates are positioned below the guide plates, the two sides of each push plate are provided with first slide blocks in sliding connection with the first slide rails, the guide plates are provided with feed holes for enabling the chain wheel to fall onto the push plates, the corresponding correcting devices on the push plates are provided with correcting grooves for accommodating the chain wheels, and one end, close to the vibration disc, of the first lifting plate is provided with a, the top of feed plate is provided with the material loading cylinder, the piston rod of material loading cylinder is connected with material loading gas claw, the expansion end of material loading gas claw is provided with the splint that are used for pressing from both sides to get the sprocket.

2. The full-automatic chain wheel tapping mechanism with the thread detection function according to claim 1, wherein the correction device comprises a correction motor, an output shaft of the correction motor is connected with a rotating seat, a positioning head matched with the center of the chain wheel is arranged in the middle of the rotating seat, positioning needles matched with two through holes in the chain wheel are arranged on two sides of the positioning head on the rotating seat, the positioning head and the positioning needles are connected with the rotating seat through correction springs, and a mounting sleeve is arranged on the rotating seat around the positioning head and the positioning needles.

3. The full-automatic sprocket tapping mechanism with thread detection according to claim 2, wherein the positioning head and the positioning needle are both tapered with gradually decreasing cross-sectional areas at the ends thereof away from the rotary seat.

4. The full-automatic chain wheel tapping mechanism with the function of thread detection according to claim 1, wherein a positioning pin matched with the chain wheel is arranged on the clamping plate.

5. The sprocket full-automatic tapping mechanism with thread detection function according to claim 1, 2, 3 or 4, wherein the gap between the push plate and the guide plate is smaller than the thickness of the sprocket.

6. The full-automatic chain wheel tapping mechanism with the thread detection function according to claim 1, 2, 3 or 4, wherein a pressing plate is arranged on one side, close to the discharge end of the vibrating disc, of the guide plate, and a channel through which the chain wheel passes is formed between the pressing plate and the guide plate.

7. The full-automatic chain wheel tapping mechanism with the function of thread detection according to claim 1, 2, 3 or 4, wherein the overturning mechanism comprises a first bottom plate arranged on the mounting plate, a second guide post is arranged on the first bottom plate, a first top plate is arranged on the second guide post, a second lifting cylinder is arranged on the first top plate, a piston rod of the second lifting cylinder is connected with a first lifting rod, the first lifting rod is connected with the second guide post in a sliding manner, one end, far away from the second guide post, of the first lifting rod is connected with a rotating cylinder, and an output shaft of the rotating cylinder is connected with an overturning pneumatic claw for clamping the chain wheel.

8. The full-automatic chain wheel tapping mechanism with the function of thread detection according to claim 1, 2, 3 or 4, wherein the first thread detection mechanism and the second thread detection mechanism are identical in structure, the first thread detection mechanism and the second thread detection mechanism respectively comprise a second bottom plate arranged on the mounting disc, a third guide post is arranged on the second bottom plate, a second top plate is arranged on the third guide post, a third lifting cylinder is arranged on the second top plate, a piston rod of the third lifting cylinder is connected with a second lifting plate, the second lifting plate is connected with the third guide post in a sliding manner, and an electric batch used for detecting a threaded hole is connected onto the second lifting plate.

9. The full-automatic chain wheel tapping mechanism with the thread detection function according to claim 1, 2, 3 or 4, wherein the qualified finished product blanking mechanism and the defective product rejecting mechanism are identical in structure, the qualified finished product blanking mechanism and the defective product rejecting mechanism both comprise third bottom plates arranged on a mounting disc, support columns are arranged on the third bottom plates, second base plates are connected onto the support columns, second translation cylinders and second slide rails are arranged on the side faces of the second base plates, second sliding blocks connected with the second slide rails in a sliding mode are connected onto piston rods of the second translation cylinders, fourth lifting cylinders are arranged on the second sliding blocks, and discharging air claws used for clamping chain wheels are connected onto piston rods of the fourth lifting cylinders.

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