CN105364471A - Automatic screw assembling machine - Google Patents

Automatic screw assembling machine Download PDF

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Publication number
CN105364471A
CN105364471A CN201510864251.9A CN201510864251A CN105364471A CN 105364471 A CN105364471 A CN 105364471A CN 201510864251 A CN201510864251 A CN 201510864251A CN 105364471 A CN105364471 A CN 105364471A
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CN
China
Prior art keywords
screw rod
nut
screw
screening
feeding
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Granted
Application number
CN201510864251.9A
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Chinese (zh)
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CN105364471B (en
Inventor
张少林
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Shenzhen Wave Multimedia Co Ltd
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Shenzhen Wave Multimedia Co Ltd
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Priority to CN201510864251.9A priority Critical patent/CN105364471B/en
Publication of CN105364471A publication Critical patent/CN105364471A/en
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Publication of CN105364471B publication Critical patent/CN105364471B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • B23P19/06Screw or nut setting or loosening machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/001Article feeders for assembling machines

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The invention relates to the technical field of automatic equipment and provides an automatic screw assembling machine which is used for locking screws and nuts onto a workpiece. The automatic screw assembling machine comprises a screw direction screening device, a screw feeding control device, a nut feeding device, a locking device and an operating platform used for moving the locking device, wherein a working table allowing the workpiece to be fixed on is arranged on the operating platform; the screw direction screening device comprises a discharging slideway used for outputting the screws; and the discharging slideway is connected to the screw feeding control device. The automatic screw assembling machine can realize screw direction screening, single-screw feeding and single-nut feeding and provide the screws and the nuts in one-to-one correspondence; and the operating platform moves the locking device to take away single screws and single nuts and automatically lock the screws and nuts onto the workpiece to finish a screw and nut locking process. The screws are not needed to be assembled with the nuts manually in the whole locking device of the automatic screw assembling machine so that manual labor is reduced, the labor cost is lowered and the production efficiency is increased.

Description

Automatically screw machine is worn
Technical field
The present invention relates to the technical field of automation equipment, particularly relate to and automatically wear screw machine.
Background technology
Automatically making screw rod robot is widely used in electron trade automatic Composition line, such as: mobile phone, hard disk, keyboard, electronic toy, computer, DVD, household electrical appliances, plastic cement, electrical equipment, communication apparatus, electrical equipment, toy, electronics processing and other fields, also has automobile screw rod automatic Composition industry, such as: motor, motor, parts etc. are carried out and automatically played screw rod assembling etc.
Because screw rod and nut are being locked in the process of paying, need one_to_one corresponding, and screw rod and nut are all batch supply in the industrial production, of the prior artly automatically make screw rod robot, be difficult to realize full-automatic feeding and corresponding lock pair, needing to penetrate by manually screw rod being coordinated one by one with nut, then carrying out lock and paying.In the field of screw rod automatic Composition, because screw rod quantity is many, labor workload is large, and the production efficiency causing semi-automatic screw rod lock to be paid is low, and cost of labor is high.
Summary of the invention
The object of the present invention is to provide and automatically wear screw machine, being intended to solve screw rod lock in prior art needs, by manually penetrating, to cause the problem that cost of labor is high, production efficiency is low in paying.
The invention provides and automatically wear screw machine, for screw rod and nut lock are paid in workpiece, comprise the screw rod direction screening plant screening described screw rod direction for batch, for the screw rod feed control device that single described screw rod passes through, for providing the nut pay-off of single described nut, for picking up described screw rod and described nut and the lock that automatic locking is paid is paid device and paid the operating platform of device for mobile described lock, described operating platform has the workbench can fixed for described workpiece, described screw rod direction screening plant comprises the blanking slideway for exporting described screw rod, described blanking slideway is connected to described screw rod feed control device.
Further, the integral inclined setting of described screw rod direction screening plant, also comprise screening substrate and blanking assembly, described screening substrate side is rotatablely equipped with screening rotating disk, described screening substrate is provided with screen holes, the screening breach that described screening rotating disk aligns with described screen holes after being provided with and rotating, be provided with the thimble for inserting described mating groove in described screening breach, described blanking assembly has the charging conduit supplying the blanking slideway of described screw slide and slip into described blanking slideway for the described screw rod being positioned at described screen holes place in described mating groove end mode upward.
Further, the end face of described blanking assembly is convexly equipped with the boss for inserting in described screen holes, and described charging conduit is opened in the end face of described boss; Described charging conduit has by the downward-sloping material-dropping face extended to form of the end face of described boss, and material-dropping face has the material-dropping hole be communicated with described blanking slideway.
Further, described screw feed control device comprises slideway structure, the first clamping structure and the second clamping structure, described slideway structure has the charging slideway passed for single screw rod, described first clamping structure comprises the described charging slideway of flexible insertion and clamps the card adapter plate of described screw rod sidewall, described second clamping structure comprises the flexible baffle plate closing described charging slideway lower ending opening, and described charging slideway is by soft pipe connection extremely described screw rod direction screening plant.
Further, also comprise the screw feeding device be obliquely installed, described screw feeding device comprises feed pipe, feed rotary table, feeding substrate, discharging portion, described feed pipe and described discharging portion are arranged at described feeding substrate both sides respectively, described feed rotary table is positioned at described feed pipe end and is rotationally connected with described feeding substrate, described feeding substrate offers feedhole, the feeding breach that can align with described feedhole after described feed rotary table is provided with rotation, described discharging portion upper end offers chute feeder, described chute feeder one end is connected to described feeding substrate and is positioned at below described feedhole.
Further, the spindle motor that device comprises fixed head, hollow motor and moves described fixed head for vertical direction paid by described lock, and described fixed head is provided with screw rotating motor, is provided with the nut clip that can clamp nut and enforces the law orchid below described hollow motor.
Further, what described nut pay-off comprised the nut vibrating disk that screens described nut direction and was arranged at described nut vibrating disk exit passes sensor and the exit sensors for detecting described nut discharging situation for what detect whether described screw rod pass described nut.
Further, also comprise the control system for controlling described screw rod direction screening plant and described screw rod feed control device, screw rod direction screening plant comprises the screening sensor for detecting described screw rod, described screw rod feed control device comprises the feed sensor for detecting described screw rod, described screening sensor and described feed sensor are connected to described control system, and described screw feeding device, described screw rod direction screening plant, described feed control device, described nut pay-off, described lock are paid device and all controlled by described control system.
Compared with prior art, automatically screw machine is worn in the present invention, it can realize the screening of screw rod direction, singe screw feed, single nut feed, screw rod and nut are one to one provided, operating platform moves a lock pair device and single screw rod, nut is taken away, and automatic locking is paid on workpiece, complete bolt and nut lock and pay process.Automatically the whole lock wearing screw machine pays process without the need to manually screw rod being penetrated nut, decreases labor workload, reduces cost of labor, improve production efficiency.
Accompanying drawing explanation
The overall structure schematic diagram automatically wearing screw machine that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the overall structure schematic diagram of the screw feeding device in the embodiment of the present invention;
Fig. 3 is the exploded perspective view of the screw feeding device in the embodiment of the present invention;
Fig. 4 is the overall structure schematic diagram of the screw rod direction screening plant in the embodiment of the present invention;
Fig. 5 is the exploded perspective view of the screw rod direction screening plant in the embodiment of the present invention;
Fig. 6 is the overall structure schematic diagram of the screw rod feed control device in the embodiment of the present invention;
Fig. 7 is the detonation configuration schematic diagram of the screw rod feed control device in the embodiment of the present invention;
Fig. 8 is the overall structure schematic diagram that control device paid by lock in the embodiment of the present invention;
Fig. 9 is the overall structure schematic diagram of the operating platform in the embodiment of the present invention;
Figure 10 is the overall structure schematic diagram of the clamping flange in the embodiment of the present invention;
Figure 11 is the internal structure sectional view of the screw rod direction screening plant in the embodiment of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Be described in detail below in conjunction with the realization of concrete accompanying drawing to the present embodiment.
As shown in Figures 1 to 9, what provide in this enforcement wears screw machine automatically, comprise frame 9, the screw rod feed control device 3 frame 9 is provided with screw rod direction screening plant 2, allowing single screw rod to pass through, nut pay-off 4, lock are paid device 5 and are paid the operating platform 6 of device 5 for mobile lock, operating platform 6 is provided with workbench 61, and workbench 61 is provided with the fixture for holding workpiece.
In frame 9, screw rod direction screening plant 2 is positioned at above screw rod feed control device 3, and it has the blanking slideway 211 that can leave for the screw rod that screened, blanking slideway 211 by soft pipe connection to screw rod feed control device 3.Screw rod feed control device 3 is positioned at the top that device 5 paid by lock, is convenient to screw rod feed gripping under gravity.
A device 5 paid by lock can pick up screw rod, nut pay on workpiece by the two lock, and operating platform 6 can drive to be locked the position that pair device 5 moves to feeding and complete aforesaid operations.Correspondingly, screw rod feed control device 3 and nut feeding device 4 are installed in the moveable scope of operating platform 6, are convenient to lock and pay device 5 feeding.
In use, screening plant 2 automatic screening screw rod direction, screw rod direction, makes garbled threaded one end of screw rod tool all towards same direction, is convenient to follow-up lock and pays operation.Screw rod feed control device 3 can control the screw rod quantity passed through, and only allows single screw rod to pass through, and realizes the single-piece of screw rod for part, is convenient to lock the feeding of paying screw rod in operation.Nut pay-off 4, for providing single nut feeding, is convenient to lock the feeding of paying nut in operation.Operating platform 6 is provided with fixture, Workpiece clamping can be fixed, and operating platform 6 can also move lock and pay device 5, it is made to get screw rod from screw rod feed control device 3, get nut from nut pay-off 4, and on workpiece, carry out lock pay, complete the operation automatically screw rod, nut lock being paid to workpiece.
The workflow of automatically wearing screw machine is:
1) screw rod direction screening plant 2 screw screen of batch is elected as identical towards;
2) screw rod feed control device 3 controls single screw rod and passes through;
3) nut pay-off 4 starts feeding, provides single nut;
4) operating platform 6 drives a lock pair device 5 to move to screw rod feed control device 3 place and gets screw rod;
5) operating platform 6 drives a lock pair device 5 to move to nut pay-off 4 place and gets nut;
6) lock is paid device 5 and screw rod is penetrated nut
7) screw rod, nut lock are paid on workpiece by a lock pair device 5.
In above-mentioned workflow, flow process 3) can with flow process 1) or flow process 2) carry out, flow process 4 simultaneously) and flow process 5) order can exchange.
Adopt and automatically wear screw machine in this enforcement, automatically can realize screening screw rod direction and single screw rod feed is provided, single nut feed is provided, under the driving of operating platform 6, lock is paid device 5 automatic material taking and is completed lock pair, whole process is without the need to manually through row feeding with penetrate, achieve full-automatic production, decrease manually-operated workload, then reduce cost of labor, improve production efficiency simultaneously.
As shown in Fig. 4, Fig. 5 and Figure 11, the integral inclined setting of screw rod direction screening plant 2, because one end of screw rod is provided with mating groove, such as interior hexagonal groove etc., the principle of screw rod direction screening plant 2 and standing screw arrange one end of mating groove, make it have identical towards, known this screening principle is equally applicable to the structure such as screw, bolt.Screw rod direction screening plant 2 comprises screening substrate 23 and blanking assembly 21, rotate in the side of screening substrate 23 and be provided with screening rotating disk 24, screening substrate 23 is provided with screen holes 231, the rotating shaft of screening rotating disk 24 is positioned at below screen holes 231, screening rotating disk 24 is provided with screening breach 241, be provided with the thimble 2411 of the mating groove for inserting screw rod in screening breach 241, blanking assembly 21 has the blanking slideway 211 and charging conduit 212 that supply screw slide.After batch screw rod enters screw rod direction screening plant 2, screened rotating disk 24 blocks, screening rotating disk 24 is in the process of rotating, the screw rod having part enters screening breach 241, when one end that screw rod has a mating groove is towards thimble 2411 direction, thimble 2411 inserts in mating groove and is fixed by screw rod, now the axis of screw rod is positioned in the plane at screening rotating disk 24 place, and along with screening rotating disk 24 rotates, when screening breach 241 and aliging with screen holes 231, because screw rod direction screening plant 2 is integral inclined, screw rod is through screen holes 231 under gravity, and enter charging conduit 212 with the state upward of the one end with mating groove, eventually pass through blanking slideway 211 and leave screw rod direction screening plant 2, complete screening, the direction guaranteeing the screw rod by screening substrate 23 is identical, the threaded one end of its tool is towards identical direction.
Screw rod direction screening plant 2 also comprise be fixed on screening substrate 23 side and be enclosed in screening rotating disk 24 outside back-up ring 25, for drive screening rotating disk 24 rotate screening stepper motor, blanking assembly 21 is combined by polylith plate-like piece, each plate-like piece offers a part for blanking slideway 211, being communicated with after combination becomes complete blanking slideway 211.Blanking assembly 21 is positioned at the opposite side that screening substrate 23 screens rotating disk 24 relatively, its end face is convexly equipped with the boss 213 for inserting in screen holes 231, namely charging conduit 212 is opened in the end face of boss 213, charging conduit 213 has by the downward-sloping material-dropping face 2121 extended to form of the end face of boss 213, charging conduit 213 has the material-dropping hole 2122 be communicated with blanking slideway 211, after screw rod enters charging conduit 213, slide along this material-dropping face 2121 and change direction, then enter in blanking slideway 211 along material-dropping hole 2122, screw rod is changed into the direction vertical with screening rotating disk 24 from originally parallel with screening rotating disk 24 direction by material-dropping face 2121, finally leave screw rod direction screening plant 2.
Because screening substrate 23 is for being obliquely installed, in order to prevent screw rod from falling, the back-up ring 25 arranged in screening rotating disk 24 outer can enclose space, after screw rod enters this space, is blocked by back-up ring 25, can not directly fall.
Screw rod direction screening plant 2 in the present embodiment is connected in frame 9 by the connector of 135 °, the angle that screening substrate 23 is at 45 ° with horizontal plane shape, and the end of blanking assembly 21 is positioned at the top of screw rod feed control device 3, is its feed.Also can be designed as other angle of inclination in practice.
In order to improve screening effeciency, screening rotating disk 24 in the present embodiment is provided with two screening breach 241, the line of two screening breach 241 is through the axle center of screening rotating disk 24, two screening breach 241 can when screening rotating disk 24 and rotating, screen separately, the modes such as the position of two screening breach 241 also can be set to other modes in actual design, such as the two central angle of corresponding 90 °, also can be designed as more quantity, not by the restriction in the present embodiment.
As shown in Figures 2 and 3, screw machine of automatically wearing in the present embodiment also comprises the screw feeding device 1 be obliquely installed, screw feeding device 1 comprises feed pipe 12, feed rotary table 13, feeding substrate 15, discharging portion 17, feed pipe 12 and discharging portion 17 are arranged at feeding substrate 15 both sides respectively, feed rotary table 13 is positioned at feed pipe 12 end and is rotationally connected with feeding substrate 15, feed rotary table 13 is provided with feeding breach 131, feeding substrate 15 offers the feedhole 151 be positioned at above feed rotary table 13 rotating shaft, discharging portion 17 offers blow tank, blow tank one end to be connected on feeding substrate 15 and to be positioned at below feedhole 151.The principle of screw feeding device 1 is similar to screw rod direction screening plant 2, after screw rod batch is sent into feed pipe 12, in the process that feed rotary table 13 is rotated, part screw rod enters feeding breach 131 under gravity and rotates along with feed rotary table 13, until feeding breach 131 aligns with feedhole 151, screw rod is under gravity through feeding substrate 15.The mode of this feeding can reduce the quantity of screw rod, makes screw rod be batch feed with certain quantity, pours in screw rod direction screening plant 2 cause it to damage to avoid screw rod in enormous quantities.
Screw feeding device 1 also comprises stock chest (not shown), being connected to the bend 11 of feed pipe 12 outer end, being fixed on feeding substrate 15 side and being enclosed in the retainer plate 14 of feed rotary table 13 outside and the feeding stepper motor 16 for driving feed rotary table 13 to rotate.Retainer plate 14 is fixed on feeding substrate 15, and one end of feed pipe 12 is inserted the inside of retainer plate 14 and interfixes with it, is indirectly fixed on feeding substrate 15.Bend 11 part is bent upwards, and is convenient to screw rod batch feed, and the screw rod of mass simultaneous, through the slip of bend 11 part, can play and certain make effect in order, have almost parallel direction, and there will not be multidirectional state anyhow.
In the middle part of feed pipe 12, upper end open forms feeding opening 121, and the feeding state can observing screw rod from this, also can according to circumstances directly take out or put into screw rod, be convenient to feeding operation.
Screw feeding device 1 and horizontal plane angle are 20 °, also can be designed as other angles in reality.The end of screw feeding device 1 discharging portion 17 is positioned at the top of screw rod direction screening plant 2, and screw rod enters screw rod direction screening plant 2 along blow tank slip feeding.
As shown in Figure 6 and Figure 7, screw feed control device 3 comprises slideway structure 31, first clamping structure 321 and the second clamping structure 322, slideway structure 31 has the charging slideway 312 that only can pass for single screw rod, first clamping structure 321 comprises telescopic card adapter plate 3211, second clamping structure 322 and comprises telescopic baffle plate 3221.After screw rod enters charging slideway 312, card adapter plate 3211 and baffle plate 3221 stretch out simultaneously, and card adapter plate 3211 stretches out the sidewall that its end rear is connected to screw rod, coordinates the sidewall of charging slideway 312 to be fixedly clamped by screw rod; Can close the lower end of charging slideway 312 after baffle plate 3221 stretches out, the lower surface of screw rod is connected to the upper surface of baffle plate 3221, and screw rod is trapped in charging slideway 312, and card adapter plate 3211 and baffle plate 3221 coordinate jointly makes screw rod cannot slide off charging slideway 312.When needs feed, card adapter plate 3211 and baffle plate 3221 are regained, and screw rod can skid off from smooth charging slideway 312.Because charging slideway 312 can only allow single screw rod to pass, so only pass through for single screw rod after each release, singe screw feed can be provided for automatically wearing screw machine.In charging slideway 312, be provided with flexible pipe, soft pipe connection is to being convenient to screw rod by screw rod direction screening plant 2.
The first above-mentioned clamping structure 321 and the second clamping structure 322 all comprise electromagnet, and install the clamping sheet of respective shapes.Workedly to be called: lock is paid a device 5 and got back to initial point when getting screw rod, and the electromagnet in the second clamping structure 322 is opened under software, and a screw rod just can drop into lock and pay in device 5.Then the electromagnet of the first clamping structure 321 is opened, and the clamping sheet that screw rod drops into the second clamping structure 322 is first-class to be fed.The plane at card adapter plate 3211 place in the present embodiment and the axis being parallel of charging slideway 312, the plane at baffle plate 3221 place and the axes normal of charging slideway 312, in actual design, also other structures can be adopted, such as hard block, rubber are first-class, or only adopt the one in card adapter plate 3211 and baffle plate 3221, screw position can be limited in charging slideway 312.
Screw feed control device 3 also comprises charging and controls substrate 33, and slideway structure 31 comprises the stacked multilayer blanking assembly 311 be arranged on charging control substrate 33.Each blanking assembly 311 is provided with slide opening 313, and charging controls substrate and is provided with substrate through-hole 331, and the stacked rear each slide opening 313 of each blanking assembly 311 is composition charging slideway 312 jointly, and the lower of charging slideway 312 is rectified substrate through-hole 331.First clamping structure 321 is arranged between any two adjacent blanking assemblies 311, corresponding blanking assembly 311 is provided with chute 3211, card adapter plate 3211 can slide into along chute 3211 inside that charging slideway 312, first clamping structure 321 is positioned at slideway structure 31, is not vulnerable to externalities.Second clamping structure 322 controls between substrate 33 in slideway structure 31 and charging, can insert between charging slideway 312 lower end and substrate through-hole 331, the two is cut off closed.
Screw machine of automatically wearing in the present embodiment also comprises control system, screw rod direction screening plant 2 comprises the screening sensor for detecting screw rod, screw rod feed control device 3 comprises the feed sensor for detecting screw rod, and screening sensor and feed sensor are connected to control system.After the screening sensor of screw rod direction screening plant 2 can't detect screw rod, control system just can control screw feeding device 1 and work, when the flexible pipe of the charging slideway 312 of screw feed control device 3 does not fill up, screw rod direction screening plant 2 is started working, the screw rod having screened direction is pushed to flexible pipe, until feed sensor detects that the screw rod inside flexible pipe is full.A small amount of screw rod is made to enter screw rod direction screening plant 2.When the feed sensor of screw rod feed control device 3 detects that screw rod is discontented with, control system just can control screw rod direction screening plant 2 and work, and the screw rod in the good direction of screening is filled up.Screw feeding device 1, screw rod direction screening plant 2, screw rod feed control device 3, nut pay-off 4, lock are paid device 5 and are all controlled by control system, and realize electrification and automatically control, overall controlling run process, has higher automaticity.
As shown in Figure 1, nut pay-off 4 comprises the nut vibrating disk 41 that can screen nut direction and two the nut sensors being arranged at nut vibrating disk discharging channel 42, one for passing sensor, detect screw rod whether pass nut, no screw rotating motor 52 reverses until screw rod can pass nut; Another is exit sensors, detect nut and whether fill up vibrating disk discharging opening, otherwise nut vibrating disk 41 works on, until nut encounters the exit sensors of the discharging opening end.Nut has flange, nut can be screened in nut vibrating disk 41, make the flange of nut down, when having screened the nut proper alignment in direction at nut vibrating disk discharging channel 42, when the nut in exit foremost touches sensor, nut vibrating disk 41 quits work, otherwise nut vibrating disk 41 continuous firing, until nut foremost touches sensor.
As shown in Figure 8, lock is paid device 5 and is comprised fixed head 521, hollow motor 53 and move the spindle motor 51 of fixed head 521 for vertical direction, fixed head 521 is provided with screw rotating motor 52.Below hollow motor 53, be provided with the nut clip that can clamp nut enforce the law blue 54.In concrete operations, screw rotating motor 52 can by bolt rotary, and hollow motor 53 by nut rotation, can coordinate spindle motor 51 that fixed head 521 is pressed down the lock that can realize screw rod and nut and pay screwing operations.Spindle motor 51, screw rotating motor 52 and hollow motor 53 are stepper motor.Lock is paid on the upper limit plate in device 5 and is provided with limit switch, is also Zero-point switch, when the fixed head 521 of screw rotating motor 52 touches this limit switch, and revert to dead-center position.
As shown in Figure 10, be provided with clamping iron wire (not shown) at the medial launder 541 of clamping flange 54, lower end is provided with the clamping cavity 542 that can embed for nut.Clamping iron wire will keep suitable clamping force, both the screw rod entering flange can be blocked, and can not drop when mobile, can ensure that again screw rod can rotate along with swingle and move down, then pay bolt and nut lock on workpiece.Lock pay in device 5 clamp nut flange on Hall element is installed, when locking a pair device 5 and returning initial point gripping nut, sensor can detect flange and whether be in original state, if be not in original state, hollow motor 53 rotarily drives flange rotary until flange is in original state, and hollow motor 53 is stopped the rotation.
As shown in Figure 9, the operating platform 6 in the present embodiment mainly comprises three stepper motors, three ball-screws and a support platform 61.Lock is paid workpiece in process and is placed in the support platform 61 of operating platform 6, and adds clamping of workpieces by fixture.Operating platform 6 can select different model according to customer demand, and the model in the present embodiment is: CNC3020-800W, and namely effective travel is 300*200mm, and spindle power is 800W.Operating platform 6 is fixed with industrial aluminum profile and forms support platform 61, can directly workpiece corner brace (i.e. fixture) be fixed in the above.There are two limit switches in any one direction of X, Y, Z of operating platform 6, touches any one limit switch in running, and the actuating motor of respective direction just quits work, and prevents overtravel from causing damage of components.
As shown in Figures 1 to 10, what device 5 paid by operating platform 6 and lock coordinates that lock pair process as follows:
1) operating platform 6 moves a lock pair device 5 and first moves to initial point, and screw rod feed control device 3 discharges a screw rod, and screw rod enters hollow motor 53;
2) operating platform 6 controls a lock pair device 5 and moves to nut pay-off 4, and pick up a nut, screw rotating motor 52 drives bolt rotary, and makes screw rod screw in nut;
3) lock pay device 5 move to workpiece treat lock pay a position, operating platform 6 controls a lock pair device 5 and moves down, after nut arrives workpiece, screw rotating motor 52 starts to rotate, (detected by optoelectronic switch) after screw rod is screwed into certain depth, screw rotating motor 52 stops the rotation, and hollow motor 53 drives clamping flange 54 to rotate, then nut is driven to rotate, tie down screw nut.
The lock of lock pair device 5 is paid flow process and is:
After a lock pair device 5 returns initial point, screw rod enters hollow motor 53, clamping flange 54 clamping screw imperial mother, spindle motor 51 starts to rotate, fixed head 521 starts to move down, until the swingle of screw rotating motor 52 touches the screw rod in hollow motor 53, spindle motor 51 continues screw rotating motor 52 and moves down 0.7mm (spiral) and stop afterwards, screw rotating motor 52 starts to rotate, stop after allowing screw rod be screwed into nut spiral, namely screw rotating motor 52 part moves down 0.7mm, spindle motor 51 continues to rotate, stop after making screw rotating motor 52 move down 0.7mm, screw rotating motor 52 starts again to rotate, stop after allowing screw rod continue to be screwed into nut spiral, i.e. screw rotating motor 52 part but also move down 0.7mm, continue above step until screw rod passes nut touch sensor, then above step is stopped, after having got bolt and nut, lock system of paying can move to treats that lock position is carried out lock and paid.Above-mentioned 0.7mm is only adapted to the screw rod, the nut size that originally implement middle employing, in actual use, when adopting the screw rod of other sizes, nut, needs these data of accommodation, pays the requirement of operation with satisfied lock.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. automatically wear screw machine, for screw rod and nut lock are paid in workpiece, described screw rod one end is provided with mating groove, it is characterized in that, comprise the screw rod direction screening plant screening described screw rod direction for batch, for the screw rod feed control device that single described screw rod passes through, for providing the nut pay-off of single described nut, for picking up described screw rod and described nut and the lock that automatic locking is paid is paid device and paid the operating platform of device for mobile described lock, described operating platform has the workbench can fixed for described workpiece, described screw rod direction screening plant comprises the blanking slideway for exporting described screw rod, described blanking slideway is connected to described screw rod feed control device.
2. automatically wear screw machine as claimed in claim 1, it is characterized in that, the integral inclined setting of described screw rod direction screening plant, it also comprises screening substrate and blanking assembly, described screening substrate side is rotatablely equipped with screening rotating disk, described screening substrate is provided with screen holes, the screening breach that described screening rotating disk aligns with described screen holes after being provided with and rotating, the thimble for inserting described mating groove is provided with in described screening breach, described blanking assembly has the charging conduit supplying the blanking slideway of described screw slide and slip into described blanking slideway for the described screw rod being positioned at described screen holes place in described mating groove end mode upward.
3. automatically wear screw machine as claimed in claim 2, it is characterized in that, the end face of described blanking assembly is convexly equipped with the boss for inserting in described screen holes, and described charging conduit is opened in the end face of described boss; Described charging conduit has by the downward-sloping material-dropping face extended to form of the end face of described boss, and material-dropping face has the material-dropping hole be communicated with described blanking slideway.
4. automatically wear screw machine as claimed in claim 1, it is characterized in that, described screw feed control device comprises slideway structure, the first clamping structure and the second clamping structure, described slideway structure has the charging slideway passed for single screw rod, described first clamping structure comprises the described charging slideway of flexible insertion and clamps the card adapter plate of described screw rod sidewall, described second clamping structure comprises the flexible baffle plate closing described charging slideway lower ending opening, and described charging slideway is by soft pipe connection extremely described screw rod direction screening plant.
5. automatically wear screw machine as claimed in claim 1, it is characterized in that, also comprise the screw feeding device be obliquely installed, described screw feeding device comprises feed pipe, feed rotary table, feeding substrate, discharging portion, described feed pipe and described discharging portion are arranged at described feeding substrate both sides respectively, described feed rotary table is positioned at described feed pipe end and is rotationally connected with described feeding substrate, described feeding substrate offers feedhole, the feeding breach that can align with described feedhole after described feed rotary table is provided with rotation, described discharging portion upper end offers chute feeder, described chute feeder one end is connected to described feeding substrate and is positioned at below described feedhole.
6. automatically wear screw machine as claimed in claim 1, it is characterized in that, the spindle motor that device comprises fixed head, hollow motor and moves described fixed head for vertical direction paid by described lock, described fixed head is provided with screw rotating motor, is provided with the nut clip that can clamp nut below described hollow motor and enforces the law orchid.
7. automatically wear screw machine as claimed in claim 1, it is characterized in that, described nut pay-off comprises the nut vibrating disk screening described nut direction, and described nut vibrating disk exit is provided with and passes sensor and the exit sensors for detecting described nut discharging situation for what detect whether described screw rod pass described nut.
8. as described in any one of claim 1 to 9, automatically wear screw machine, it is characterized in that, also comprise control system, screw rod direction screening plant comprises the screening sensor for detecting described screw rod, described screw rod feed control device comprises the feed sensor for detecting described screw rod, described screening sensor and described feed sensor are connected to described control system, and described screw feeding device, described screw rod direction screening plant, described feed control device, described nut pay-off, described lock are paid device and all controlled by described control system.
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CN105729102A (en) * 2016-04-29 2016-07-06 太原市环宇液压机械有限公司 Automatic nut screwing machine for anchor bolts
CN109048303A (en) * 2018-09-04 2018-12-21 安徽纽创自动化装备有限公司 A kind of nut-screw automatic assembling apparatus

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CN105729102A (en) * 2016-04-29 2016-07-06 太原市环宇液压机械有限公司 Automatic nut screwing machine for anchor bolts
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