CN104227390A - Locking device for threaded fastener - Google Patents
Locking device for threaded fastener Download PDFInfo
- Publication number
- CN104227390A CN104227390A CN201310224831.2A CN201310224831A CN104227390A CN 104227390 A CN104227390 A CN 104227390A CN 201310224831 A CN201310224831 A CN 201310224831A CN 104227390 A CN104227390 A CN 104227390A
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- threaded fastener
- locking device
- grasping mechanism
- sub
- conveyor track
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- 239000000463 material Substances 0.000 claims description 41
- 238000001514 detection method Methods 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000002463 transducing effect Effects 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines 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
- B23P19/04—Machines 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
- B23P19/06—Screw or nut setting or loosening machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines 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
- B23P19/001—Article feeders for assembling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines 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
- B23P19/001—Article feeders for assembling machines
- B23P19/004—Feeding the articles from hoppers to machines or dispensers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines 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
- B23P19/001—Article feeders for assembling machines
- B23P19/006—Holding or positioning the article in front of the applying tool
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention provides a locking device of a threaded fastener, comprising: a gripping mechanism for gripping the threaded fastener; the screw tightening device can lock the screw fastening piece gripped by the gripping mechanism on a tightening shaft of a piece to be mounted, the tightening shaft comprises a rotating shaft and a motor which is connected with the rotating shaft and drives the rotating shaft to rotate, and the output end of the rotating shaft is connected with the gripping mechanism. The locking device of the threaded fastener provided by the invention is provided with the grasping mechanism for grasping the threaded fastener, and the grasping mechanism is connected with the output end of the tightening shaft, so that the threaded fastener is locked by the tightening shaft.
Description
Technical field
The present invention relates to threaded fastener locking technical field, more particularly, relate to a kind of locking device of threaded fastener.
Background technology
Have the advantages such as structure is simple, connection is reliable, mounting or dismounting are convenient owing to being threaded, threaded fastener is widely used.Threaded fastener mainly comprises: screw, nut, bolt, screw rod.Such as, in air-conditioner outdoor unit, compressor is fixing, by the screw rod on nut and bottom plate of outdoor unit, is fixed on chassis by compressor.The nut that fixing compressor is conventional is hexagonal belt pad nut.The locking of current nut and stud needs to complete manually usually, realizes locking by threaded engagement.
Be generally at present and capture nut manually and manual locking nut, the motion flow of artificial latch fitting nut is: operator's left hand captures nut, and the right hand holds pneumatic screwdriver; Artificial batch bar cover nut being put into pneumatic screwdriver; Manual mobile pneumatic screwdriver is to chassis screw position; Manually boot pneumatic screwdriver and carry out locking nut.
But, artificial manually by pneumatic screwdriver locking nut, and during fixing compressor, locking nut needs larger moment (being generally 12N*M), causes hand labor intensity larger.
In addition, compressor needs two or more screw rods and nut to be fixed usually, and during artificial locking nut, artificial locking torque more easily occurs deviation, causes the uniformity of nut check moment poor, affects the installation quality of compressor.
In addition, adopt manual operation pneumatic screwdriver to lock, cause the installation effectiveness of compressor lower, pneumatic screwdriver instrument in use can produce larger noise simultaneously, causes working environment poor.
In sum, how locking screw securing member, to reduce hand labor intensity, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of locking device of threaded fastener, to reduce hand labor intensity.
To achieve these goals, the invention provides following technical scheme:
A locking device for threaded fastener, comprising:
For firmly grasping the grasping mechanism of threaded fastener;
The threaded fastener that described grasping mechanism is firmly grasped can be lock onto to be installed tighten axle, described in tighten axle and comprise rotating shaft and be connected with described rotating shaft and drive the motor of described axis of rotation, the output of described rotating shaft is connected with described grasping mechanism.
Preferably, in the locking device of above-mentioned threaded fastener, described grasping mechanism comprises:
The promptly part be connected with the output of described rotating shaft, described promptly part is provided with: the promptly groove matched with described threaded fastener, for the magnet of promptly described threaded fastener, for hold described to be installed keep away a hole.
Preferably, in the locking device of above-mentioned threaded fastener, described grasping mechanism also comprises:
The connecting axle be connected with the output of described rotating shaft; To be connected with described connecting axle and can along the cushion collar of the axial reciprocating movement of described connecting axle; The buffer spring that two ends offset with the shaft shoulder and the described cushion collar of described connecting axle respectively; Wherein, described promptly part is connected with the output of described connecting axle with described rotating shaft by described cushion collar.
Preferably, in the locking device of above-mentioned threaded fastener, described promptly part and described cushion collar removably connect.
Preferably, in the locking device of above-mentioned threaded fastener, described cushion collar is connected by steel ball clamp assemblies with described promptly part;
Described steel ball clamp assemblies comprises: be embedded in described cushion collar and the steel ball of the described promptly part in location; Be coated at the elastic cover of described cushion collar, the inwall of described elastic cover be provided with the elastic bumps of locating described steel ball; Be sheathed on the degree of tightness spring between described cushion collar and described elastic cover, the two ends of described degree of tightness spring abut against with the shaft shoulder on described cushion collar and described elastic bumps respectively.
Preferably, the locking device of above-mentioned threaded fastener, also comprises robot, and described robot comprises mechanical part, transducing part and control section; Wherein,
Described mechanical part comprises: X-axis, and can rotate and the Z axis that can vertically move back and forth around X-axis, described Z axis is connected with described axle of tightening with described X-axis respectively;
Described transducing part comprises: detect described to be installed position and send the first detecting sensor of the first detection signal;
Described control section comprises: be connected with described first detecting sensor and described its communications respectively, receive described first detection signal, control described Z axis to move to make the threaded fastener on described grasping mechanism move to described to be installed, tighten axle described in controlling when the threaded fastener on described grasping mechanism moves to described to be installed to start and control described Z axis and move to lock described threaded fastener, when described tightening to control described Z axis and move to make described grasping mechanism away from first controller of described to be installed after axle tightens described threaded fastener.
Preferably, in the locking device of above-mentioned threaded fastener, described in tighten axle and be connected with described Z axis by fixed support plate.
Preferably, the locking device of above-mentioned threaded fastener, also comprises the feeding machanism to described grasping mechanism feed.
Preferably, in the locking device of above-mentioned threaded fastener, described feeding machanism comprises: vibrating disk and the conveyor track be connected with the outlet of described vibrating disk.
Preferably, the locking device of above-mentioned threaded fastener, also comprises the sub-material detent mechanism be connected with described conveyor track, and described sub-material detent mechanism comprises: the sub-material seat be connected with described conveyor track; The sub-material limiting plate be connected with described sub-material seat, described sub-material limiting plate has and is connected and the limit opening of spacing described threaded fastener with described conveyor track; Drive the first driver part that described sub-material limiting plate moves back and forth along the bearing of trend of described conveyor track.
Preferably, in the locking device of above-mentioned threaded fastener,
Described transducing part also comprises: detect the position of described threaded fastener when detecting that described threaded fastener is positioned at described limit opening, send the second detecting sensor of the second detection signal;
Described control section also comprises: be connected with described second detecting sensor, receive described second detection signal, control described first driver part to run, to make described sub-material limiting plate away from described conveyor track, and control described Z axis and move to make described grasping mechanism promptly described threaded fastener, after described grasping mechanism catches away described threaded fastener, control described first and drive operation, move to the second controller of described conveyor track to make described sub-material limiting plate.
Preferably, in the locking device of above-mentioned threaded fastener, described sub-material seat arranges slide rail, described slide rail and described conveyor track have angle;
Described sub-material detent mechanism also comprises: the cutting plate that can reciprocatingly slide along described slide rail, described cutting plate is provided with material-dividing groove, and described material-dividing groove distributes along the bearing of trend of described conveyor track, and described sub-material limiting plate is positioned at described material-dividing groove; Be connected with described cutting plate and drive the second driver part that described cutting plate reciprocatingly slides along described slide rail.
Preferably, in the locking device of above-mentioned threaded fastener,
Described transducing part also comprises: when detecting that described threaded fastener is positioned at described limit opening, sends the 3rd detecting sensor of the 3rd detection signal;
Described control section also comprises: be connected with described 3rd detecting sensor, receive described 3rd detection signal, control described second driver part to run, stagger to make described limit opening and described conveyor track, after described grasping mechanism catches away described threaded fastener, control described second and drive operation, with the 3rd controller making described limit opening relative with described conveyor track.
Preferably, the locking device of above-mentioned threaded fastener, also comprises described to be installed the conveying mechanism to predeterminated position of conveying.
The locking device of threaded fastener provided by the invention, there is the grasping mechanism of promptly threaded fastener, grasping mechanism is connected with the output tightening axle, thus realizes carrying out locking screw securing member by tightening axle, from tightening axle self-characteristic, locking screw securing member is carried out by tightening axle, without the need to manpower locking screw securing member, compared with adopting manual operation pneumatic screwdriver locking screw securing member with prior art, obviously, instead of artificial locking, reduce hand labor intensity.
Simultaneously, the locking device of threaded fastener provided by the invention, adopts and tightens axle and carry out locking screw securing member, tightens axle self and possesses and tighten the isoparametric setting of parameter, can ensure that locking screw securing member moment used is consistent, thus avoid that locking torque is inconsistent to be impacted installation quality; Meanwhile, tighten axle in the course of the work, comparatively pneumatic screwdriver is compared, and the noise of generation is less, effectively improves the working environment of staff.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The part-structure schematic diagram of the locking device of the threaded fastener that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the part-structure schematic diagram of Fig. 1;
Fig. 3 is the part A enlarged diagram of Fig. 2;
Fig. 4 is that the B of Fig. 3 is to schematic diagram.
In upper Fig. 1-4:
Machine people is 1, charge coupled cell is 101, light source is 102, Z axis is 103, tightening axle is 2, fixed support plate is 3, a fixing point plate is 301, a second support point plate is 302, a first support point plate is 303, grasping mechanism is 4, connecting axle is 401, buffer spring is 402, cushion collar is 403, elastic cover is 404, promptly part is 405, linear bearing is 406, back-up ring is 407, degree of tightness spring is 408, sub-material detent mechanism is 5, chassis is 6, screw rod is 601, conveying mechanism is 7, compressor is 8, feeding machanism is 9, conveyor track is 901, vibrating disk is 902.
Detailed description of the invention
Embodiments provide a kind of locking device of threaded fastener, instead of artificial locking, without the need to manpower locking screw securing member, reduce hand labor intensity.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The locking device of the threaded fastener that the embodiment of the present invention provides, comprising: for firmly grasping the grasping mechanism 4 of threaded fastener; The threaded fastener that grasping mechanism 4 is firmly grasped can be lock onto to be installed tighten axle 2, this is tightened axle 2 and comprises rotating shaft and be connected with rotating shaft and the motor that rotates of drive shaft, and the output of rotating shaft is connected with grasping mechanism 4.
The locking device of the threaded fastener that the embodiment of the present invention provides, the grasping mechanism 4 of promptly threaded fastener is set, grasping mechanism 4 is connected with the output tightening axle 2, thus realizes carrying out locking screw securing member, from the self-characteristic tightening axle 2 by tightening axle 2, locking screw securing member is carried out by tightening axle 2, without the need to manpower locking screw securing member, compared with adopting manual operation pneumatic screwdriver locking screw securing member with prior art, obviously, instead of artificial locking, reduce hand labor intensity.
Simultaneously, the locking device of the threaded fastener that the embodiment of the present invention provides, employing is tightened axle 2 and is carried out locking screw securing member, tightens the setting that axle 2 possesses locking parameter, can ensure that locking screw securing member moment used is consistent, thus avoid that locking torque is inconsistent to be impacted installation quality; Meanwhile, tighten axle 2 in the course of the work, compared with pneumatic screwdriver, the noise of generation is less, effectively improves the working environment of staff.
In the locking device of the threaded fastener that above-described embodiment provides, tighten axle 2 for general part, himself have rotating function, also have the additional functions such as time, speed, moment, position detection simultaneously, these additional functions can choice for use according to actual needs.When the locking torque value of tightening the applying of axle 2 double thread securing member reaches the locking torque value of setting, tighten axle 2 and can send feedback signal, and stop locking.Meanwhile, tighten the locking Parameter adjustable such as the locking torque of axle 2, rotary speed, make the locking device of this threaded fastener can be applicable to the threaded fastener of Multiple Type, highly versatile.Tighten axle 2 threaded fastener to be locked, in the process of locking screw securing member, tightening axle 2 and grasping mechanism 4 needs mobile, to ensure that threaded fastener is locked.
In the locking device of the threaded fastener that above-described embodiment provides, the model that prioritizing selection tightens axle 2 is NFT-211RH1x-S.Certainly, that also can select other models according to actual needs tightens axle 2, and the embodiment of the present invention is not done this and limited particularly.By the structure of tightening axle 2, by adopting pin to connect rotating shaft and the grasping mechanism 4 of tightening axle 2, ensure that grasping mechanism 4 can be synchronized with the movement with rotating shaft.
In the locking device of the threaded fastener that above-described embodiment provides, threaded fastener can be nut, then to be installed is screw rod or bolt, to be installed can be the screw rod 601 on the chassis 6 of air-conditioner outdoor unit, the installing hole of compressor 8 bottom is through screw rod 601, nut needs chassis 6 and compressor 8 to fix, and namely nut check is on screw rod 601, and screw rod 601 may also be the screw rod on miscellaneous part; Nut can be hex nut, also can be the nut of other shapes, and nut can be the nut of band pad, also can be the nut not with pad; Threaded fastener also can be screw or bolt, then to be installed for being provided with the workpiece of screwed hole.For the type of threaded fastener, the embodiment of the present invention is not done and is limited particularly.
Preferably, in the locking device of the threaded fastener that above-described embodiment provides, grasping mechanism 4 comprises: the promptly part 405 be connected with the output of rotating shaft, should promptly be provided with by part 405: the promptly groove matched with threaded fastener, for the magnet of promptly threaded fastener, for hold to be installed keep away a hole.Like this, when promptly part 405 is positioned at the top of threaded fastener, threaded fastener can suck and firmly grasp in groove by the magnet promptly in part 405, thus achieves firmly grasping of double thread securing member.When threaded fastener is nut, because nut is in locking process, nut can move down, and makes screw rod 601 or bolt can extension, thus promptly part 405 be provided with hold to be installed keep away a hole, to realize the locking of threaded fastener.For the ease of installing, prioritizing selection firmly grasps part 405 in cylindricality.Certainly, the grasping mechanism 4 of other structures also can be adopted, such as, the fixture be connected with the output of rotating shaft.The embodiment of the present invention is not done the concrete structure of grasping mechanism 4 and is limited particularly.
For the ease of the locking of threaded fastener, in the locking device of the threaded fastener that above-described embodiment provides, grasping mechanism 4 also comprises: the connecting axle 401 be connected with the output of rotating shaft; To be connected with connecting axle 401 and can along the cushion collar 403 of the axial reciprocating movement of connecting axle 401; The buffer spring 402 that two ends offset with the shaft shoulder and the cushion collar 403 of connecting axle 401 respectively; Wherein, promptly part 405 is connected with the output of rotating shaft with connecting axle 401 by cushion collar 403.After threaded fastener touches to be installed, under the acting in conjunction of firmly grasping part 405, cushion collar 403 and connecting axle 401, buffer spring 402 can be compressed, in the process of locking screw securing member, whole grasping mechanism 4 can decline gradually, screws in be installed to realize threaded fastener and is locked.Due to, threaded fastener constantly declines, when then threaded fastener touches to be installed, buffer spring 402 is compressed, along with the locking of threaded fastener, buffer spring 402 reinstatement gradually, then while threaded fastener declines, buffer spring 402 can promote cushion collar 403 and firmly grasp part 405 to move down, thus reaching the effect of pre-pressing, the restoring force of buffer spring 402 is precompression.Like this, be more convenient to threaded fastener to lock.Herein, upper and lowerly to refer to, the moving direction threadingly in securing member locking process, the initial position of threaded fastener is upper, under threaded fastener locked position is.
Specification due to threaded fastener has multiple, and in order to strengthen the versatility of the locking device of this threaded fastener, in the locking device of the threaded fastener that above-described embodiment provides, promptly part 405 and cushion collar 403 removably connect.Like this, when needing the threaded fastener of locking different size, promptly part 405 can be selected accordingly, thus enhance the versatility of the locking device of this threaded fastener.Preferably, cushion collar 403 is connected by steel ball clamp assemblies with promptly part 405; This steel ball clamp assemblies comprises: be embedded in cushion collar 403 and locate the steel ball firmly grasping part 405; Be coated at the elastic cover 404 of cushion collar 403, the inwall of elastic cover 404 be provided with the elastic bumps of locking ball; Be sheathed on the degree of tightness spring 408 between cushion collar 403 and elastic cover 404, the two ends of this degree of tightness spring 408 abut against with the shaft shoulder on cushion collar 403 and elastic bumps respectively.Like this, when part 405 is firmly grasped in needs replacing, elastic cover 404 is moved along the axis firmly grasping part 405 to the direction near cushion collar 403, degree of tightness spring 408 is compressed, elastic bumps also moves with elastic cover 404, make steel ball lose location, thus relieve the connection of promptly part 405 and cushion collar 403, be i.e. replaceable promptly part 405.Certainly, promptly part 405 and cushion collar 403 also can adopt other structures to realize removably connecting, and the embodiment of the present invention is not done this and limited particularly.Preferably, the locking device of this threaded fastener, also comprise the back-up ring 407 being sheathed on and firmly grasping on part 405, this back-up ring 407 is connected with the bottom of elastic cover 404.Like this, location and the installation of elastic cover 404 is convenient to.
In the locking device of the threaded fastener that above-described embodiment provides, artificially threaded fastener can be placed on grasping mechanism 4, may also be grasping mechanism 4 and be automatically moved to threaded fastener position and automatically firmly grasp.In order to improve the automaticity of the locking device of whole threaded fastener, the locking device of above-mentioned threaded fastener also comprises robot 1, and this robot 1 comprises mechanical part, transducing part and control section; Wherein, mechanical part comprises: X-axis, can rotate and the Z axis 103 that can vertically move back and forth around X-axis, this Z axis 103 respectively with X-axis with tighten axle 2 and be connected; Transducing part comprises: detect to be installed position and send the first detecting sensor of the first detection signal; Control section comprises: be connected with the first detecting sensor and its communications respectively, receive the first detection signal, control Z axis 103 to move to make the threaded fastener on grasping mechanism 4 move to be installed, control to tighten axle 2 to start and control Z axis 103 move with locking screw securing member when the threaded fastener on grasping mechanism 4 moves to be installed, after tightening axle 2 threaded together securing member, control Z axis 103 move to make grasping mechanism 4 away from first controller of to be installed.
In the locking device of the threaded fastener that above-described embodiment provides, threaded fastener moves to the position of to be installed, refer to that threaded fastener moves to directly over to be installed, when threaded fastener is nut, the center line of threaded fastener overlaps with the center line of to be installed; When threaded fastener be bolt or screw time, the center line of threaded fastener overlaps with the center line of the screwed hole on to be installed.After receiving the first detection signal, first controller controls Z axis 103 and moves, to be installed is moved to make the threaded fastener on grasping mechanism 4, start when the threaded fastener on grasping mechanism 4 moves to be installed position and tighten axle 2, in the process of tightening axle 2 locking, first controller controls Z axis 103 and moves down, after tightening axle 2 threaded together securing member, tighten axle 2 and can send feedback signal, first controller controls Z axis 103 and moves to make grasping mechanism 4 away to be installed after receiving feedback signal, carry out the locking of next threaded fastener.Like this, achieve automatic capturing and the locking of threaded fastener, reduce further hand labor intensity.
Preferably, in the locking device of above-mentioned threaded fastener, robot 1 is horizontal articulated robot.The mechanical part of this robot 1 has higher flexibility, can be suitable for be installed of various structures.Certainly, in the locking device of the threaded fastener that above-described embodiment provides, other sensor and corresponding controller also can be adopted to realize automation locking screw securing member.
Preferably, in the locking device of the threaded fastener that above-described embodiment provides, the first detecting sensor is charge coupled cell 101(Charge-coupled Device, is called for short ccd image sensor), now also need light source 102, to ensure the normal detection of the first detecting sensor.This first detecting sensor, by the position of capturing to be installed, detects the position of to be installed, the position data of to be installed is carried out data operation process, and the position data of to be installed the most at last after process sends the first controller of robot 1 to.Like this, the first detecting sensor can recognizing site and angle, is convenient to detect.
Preferably, in the locking device of the threaded fastener that above-described embodiment provides, tighten axle 2 and be connected with Z axis 103 by fixed support plate 3.Fixed support plate 3 starts to support to be tightened axle 2 and fixedly tightens the effect of axle 2.Fixed support plate 3 can have various structures, and preferably, fixed support plate 3 comprises: be connected with Z axis 103 first supports a point plate 303; Support that point plate 303 is vertical to be connected and parallel to support with second of Z axis 103 divides a plate 302 with first; The vertical fixing point plate 301 be connected of point plate 302 is supported with second; Wherein, tighten axle 2 and be fixed on fixing point plate 301, rotating shaft is through fixing point plate 301, and grasping mechanism 4 runs through the first support and divides plate 303.In order to ensure locking screw securing member, in the locking device of the threaded fastener that above-described embodiment provides, first bottom supporting point plate 303 is provided with linear bearing 406, this linear bearing 406 matches with grasping mechanism 4, like this, grasping mechanism 4 can be avoided to shake while rotation, thus effectively ensure that locking screw securing member.
In order to improve installation effectiveness, the locking device of the threaded fastener that above-described embodiment provides, also comprises the feeding machanism 9 to firmly grasping structure 4 feed.Like this, can continuous feeding, the installation effectiveness of the locking device of this threaded fastener can be improved.Preferably, feeding machanism 9 comprises: vibrating disk 902 and the conveyor track 901 be connected with the outlet of vibrating disk 902.Like this, threaded fastener can be made to deliver to conveyor track 901 in a certain order by vibrating disk 902, be convenient to grasping mechanism 4 and firmly grasp threaded fastener.Firmly grasped by grasping mechanism 4 for the ease of threaded fastener, prioritizing selection conveyor track 901 matches with the profile of threaded fastener, to ensure that on conveyor track 901, threaded fastener is put unanimously.
Firmly grasp threaded fastener for the ease of grasping mechanism 4, the locking device of the threaded fastener that above-described embodiment provides, also comprise the sub-material detent mechanism 5 be connected with conveyor track 901, this sub-material detent mechanism 5 comprises: the sub-material seat be connected with conveyor track 901; The sub-material limiting plate be connected with sub-material seat, this sub-material limiting plate has and is connected and the limit opening of spacing threaded fastener with conveyor track 901; Drive the first driver part that sub-material limiting plate moves back and forth along the bearing of trend of conveyor track 901.When threaded fastener enters in limit opening from conveyor track 901, can start the first driver part to make sub-material limiting plate away from conveyor track 901, then threaded fastener is separated with sub-material limiting plate, thus is convenient to grasping mechanism 4 by this threaded fastener promptly and catch away.After threaded fastener is promptly taken away, again start the first driver part and move to conveyor track 901 to make sub-material limiting plate, for next threaded fastener enters limit opening.In the locking device of above-mentioned threaded fastener, the first driver part can be motor, cylinder etc., and prioritizing selection first driver part is cylinder.
In order to strengthen automaticity, in the locking device of the threaded fastener that above-described embodiment provides, transducing part also comprises: detect the position of threaded fastener when detecting that threaded fastener is positioned at limit opening, send the second detecting sensor of the second detection signal; Control section also comprises: be connected with the second detecting sensor, receive the second detection signal, control the first driver part to run, away from conveyor track 901, nut is separated to make sub-material limiting plate with limit opening, and control Z axis 103 and move to make grasping mechanism 4 firmly grasp threaded fastener, after grasping mechanism 4 catches away threaded fastener, control first and drive operation, with the second controller making sub-material limiting plate move to conveyor track 901.After grasping mechanism 4 catches away threaded fastener, controlling sub-material limiting plate and move to conveyor track 901, is prepare for next nut enters limit opening.
In order to optimize technique scheme further, in the locking device of the threaded fastener that above-described embodiment provides, sub-material seat arranges slide rail, this slide rail and conveyor track 901 have angle; Sub-material detent mechanism 5 also comprises: the cutting plate that can reciprocatingly slide along slide rail, this cutting plate is provided with material-dividing groove, and this material-dividing groove distributes along the bearing of trend of conveyor track 901, and sub-material limiting plate is positioned at material-dividing groove; Be connected with cutting plate and drive the second driver part that cutting plate reciprocatingly slides along slide rail.When on conveyor track 901, threaded fastener moves to after in limit opening, start the second driver part to slide along slide rail to make cutting plate, make the limit opening being separated limiting plate no longer relative with conveyor track 901, thus the threaded fastener avoided on conveyor track 901 contacts with the threaded fastener in limit opening, after threaded fastener is caught away by grasping mechanism 4, restart the second driver part to slide along slide rail to make cutting plate, make limit opening relative with conveyor track 901.In the locking device of above-mentioned threaded fastener, the second driver part can be motor, cylinder etc., and prioritizing selection second driver part is cylinder.
In order to strengthen automaticity, in the locking device of the threaded fastener that above-described embodiment provides, transducing part also comprises: when detecting that threaded fastener is positioned at limit opening, sends the 3rd detecting sensor of the 3rd detection signal; Control section also comprises: be connected with the 3rd detecting sensor, receive the 3rd detection signal, control the second driver part to run, stagger to make limit opening and conveyor track 901, after grasping mechanism 4 catches away threaded fastener, control second and drive operation, with the 3rd controller making limit opening relative with conveyor track 901.
In the locking device of the threaded fastener that above-described embodiment provides, first detecting sensor, the second detecting sensor and the 3rd detecting sensor can be same detector, prioritizing selection first detecting sensor, the second detecting sensor and the 3rd detecting sensor are same charge coupled cell 101(Charge-coupled Device, are called for short ccd image sensor).Like this, convenient detection, and detection is also more accurate.
In order to improve efficiency of assembling, the locking device of the threaded fastener that above-described embodiment provides, carries to be installed the conveying mechanism 7 being delivered to predeterminated position.The continuous installation of threaded fastener can be realized like this, improve efficiency of assembling.Conveying mechanism 7 has various structures, and prioritizing selection conveying mechanism 7 is conveyer belt.To be installed can be chassis 6 and compressor 8, can be miscellaneous part.
When parts to be installed need multiple threaded fastener to lock, the locking device of the threaded fastener that multiple embodiment of the present invention can be selected to provide uses (not comprising conveying mechanism 7) simultaneously, the locking device of multiple threaded fastener shares a conveying mechanism 7, like this, effectively installation effectiveness can be improved.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (14)
1. a locking device for threaded fastener, is characterized in that, comprising:
For firmly grasping the grasping mechanism (4) of threaded fastener;
The threaded fastener that described grasping mechanism (4) firmly grasp can be lock onto to be installed tighten axle (2), described axle (2) of tightening comprises rotating shaft and is connected with described rotating shaft and drives the motor of described axis of rotation, and the output of described rotating shaft is connected with described grasping mechanism (4).
2. the locking device of threaded fastener according to claim 1, is characterized in that, described grasping mechanism (4) comprising:
The promptly part (405) be connected with the output of described rotating shaft, described promptly part (405) is provided with: the promptly groove matched with described threaded fastener, for the magnet of promptly described threaded fastener, for hold described to be installed keep away a hole.
3. the locking device of threaded fastener according to claim 2, is characterized in that, described grasping mechanism (4) also comprises:
The connecting axle (401) be connected with the output of described rotating shaft; To be connected with described connecting axle (401) and can along the cushion collar (403) of the axial reciprocating movement of described connecting axle (401); The buffer spring (402) that two ends offset with the shaft shoulder and the described cushion collar (403) of described connecting axle (401) respectively; Wherein, described promptly part (405) is connected with the output of described rotating shaft with described connecting axle (401) by described cushion collar (403).
4. the locking device of threaded fastener according to claim 3, is characterized in that, described promptly part (405) and described cushion collar (403) removably connect.
5. the locking device of threaded fastener according to claim 4, is characterized in that, described cushion collar (403) is connected by steel ball clamp assemblies with described promptly part (405);
Described steel ball clamp assemblies comprises: be embedded in described cushion collar (403) and the steel ball of the described promptly part (405) in location; Be coated at the elastic cover (404) of described cushion collar (403), the inwall of described elastic cover (404) be provided with the elastic bumps of locating described steel ball; Be sheathed on the degree of tightness spring (408) between described cushion collar (403) and described elastic cover (404), the two ends of described degree of tightness spring (408) abut against with the shaft shoulder on described cushion collar (403) and described elastic bumps respectively.
6. the locking device of threaded fastener according to claim 1, is characterized in that, also comprises robot (1), and described robot (1) comprises mechanical part, transducing part and control section; Wherein,
Described mechanical part comprises: X-axis, and can rotate and the Z axis (103) that can vertically move back and forth around X-axis, described Z axis (103) is connected with described axle (2) of tightening with described X-axis respectively;
Described transducing part comprises: detect described to be installed position and send the first detecting sensor of the first detection signal;
Described control section comprises: be connected with described first detecting sensor and described its communications respectively, receive described first detection signal, control described Z axis (103) mobile to make the threaded fastener on described grasping mechanism (4) move to described to be installed, tighten axle (2) startup and control described Z axis (103) described in controlling when the threaded fastener on described grasping mechanism (4) moves to described to be installed and move to lock described threaded fastener, tighten that to control described Z axis (103) after axle (2) tightens described threaded fastener mobile to make described grasping mechanism (4) away from first controller of described to be installed when described.
7. the locking device of threaded fastener according to claim 6, is characterized in that, described in tighten axle (2) and be connected with described Z axis (103) by fixed support plate (3).
8. the locking device of threaded fastener according to claim 6, is characterized in that, also comprises the feeding machanism (9) to described grasping mechanism (4) feed.
9. the locking device of threaded fastener according to claim 8, is characterized in that, described feeding machanism (9) comprising: vibrating disk (902) and the conveyor track (901) be connected with the outlet of described vibrating disk (902).
10. the locking device of threaded fastener according to claim 9, it is characterized in that, also comprise the sub-material detent mechanism (5) be connected with described conveyor track (901), described sub-material detent mechanism (5) comprising: the sub-material seat be connected with described conveyor track (901); The sub-material limiting plate be connected with described sub-material seat, described sub-material limiting plate has and is connected and the limit opening of spacing described threaded fastener with described conveyor track (901); Drive the first driver part that described sub-material limiting plate moves back and forth along the bearing of trend of described conveyor track (901).
The locking device of 11. threaded fasteners according to claim 10, is characterized in that,
Described transducing part also comprises: detect the position of described threaded fastener when detecting that described threaded fastener is positioned at described limit opening, send the second detecting sensor of the second detection signal;
Described control section also comprises: be connected with described second detecting sensor, receive described second detection signal, control described first driver part to run, to make described sub-material limiting plate away from described conveyor track (901), and it is mobile to make described grasping mechanism (4) promptly described threaded fastener to control described Z axis (103), after described grasping mechanism (4) catches away described threaded fastener, control described first and drive operation, move to the second controller of described conveyor track (901) to make described sub-material limiting plate.
The locking device of 12. threaded fasteners according to claim 10, is characterized in that, described sub-material seat arranges slide rail, and described slide rail and described conveyor track (901) have angle;
Described sub-material detent mechanism (5) also comprises: the cutting plate that can reciprocatingly slide along described slide rail, described cutting plate is provided with material-dividing groove, described material-dividing groove distributes along the bearing of trend of described conveyor track (901), and described sub-material limiting plate is positioned at described material-dividing groove; Be connected with described cutting plate and drive the second driver part that described cutting plate reciprocatingly slides along described slide rail.
The locking device of 13. threaded fasteners according to claim 12, is characterized in that,
Described transducing part also comprises: when detecting that described threaded fastener is positioned at described limit opening, sends the 3rd detecting sensor of the 3rd detection signal;
Described control section also comprises: be connected with described 3rd detecting sensor, receive described 3rd detection signal, control described second driver part to run, stagger to make described limit opening and described conveyor track (901), after described grasping mechanism (4) catches away described threaded fastener, control described second and drive operation, with the 3rd controller making described limit opening relative with described conveyor track (901).
14., according to the locking device of the threaded fastener in claim 1-13 described in any one, is characterized in that, also comprise described to be installed the conveying mechanism to predeterminated position (7) of conveying.
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