CN208746310U - A kind of work head of automatic tie tool - Google Patents

Abstract

A kind of work head of automatic tie tool, including shell, rack, band guide rail, period control mechanism, guide grab mechanism, tensioning mechanism, cutter, knife drive mechanism；The rack installation is in the housing, there is pit to position in the rack for band head, the band guide rail is sent into band, the U-type groove of the guide grab mechanism is connected to form closed U-type groove guide collar with the U-type groove in the rack, the tensioning mechanism is mounted on the rack, the cutter is mounted on the rack and is located between band head and the take-up pulley, the knife drive mechanism is connected with the cutter and cutter is driven to cut off band, and the period control mechanism directly or indirectly drives the tensioning mechanism；The utility model provides different cutting modes, it is combined by the design of different guide grab mechanisms, the utility model is used as hand-held, fixed, Table top type belt banding machine, or for allow band pass through the single hole of workpiece, diplopore, small space automatic tie tool.

Description

A kind of work head of automatic tie tool

Technical field

The present invention relates to a kind of work head of tool more particularly to a kind of work heads of automatic tie tool.

Background technique

For tying up automatically for common nylon band, the country has a kind of Table top type belt banding machine to design, this machine exist with Lower disadvantage: machine is fixed, can only travelling workpiece, it is inflexible for use；Because space limits, it is not used to aircraft, ship, fire The scene of vehicle, automobile, household electrical appliances, the pipeline of communication equipment, tunnel or air cable etc. or interior construction；The Table top type band There is also some defects in design for machine, inconvenient to use, unreliable；Moreover, Table top type automatic strapping machine on the market is universal Using 5 motor drivens, part is wasted, and bulky；There are the automatic tie rifle using Contiuum type band in foreign countries, but external Automatic tie rifle must use cost very high dedicated disjunctor band, use cost is high, furthermore, external Contiuum type is automatic Tie gun volume is too fat to move, and be substantially only used for harness ties up operation；I also once designed a kind of " hand-held automatic tie Tool ", it is to connect host and pipette tips using pipette tips and host separate design, and with pipeline, compared to Table top type automatic tie Machine, it can greatly improve application range and practical flexibility；Compared to external Contiuum type automatic tie rifle, it is substantially reduced Use cost." a kind of hand-held automatic tie tool " although above-mentioned compared to Table top type automatic strapping machine and Contiuum type from Dynamic tie tool has an apparent relative advantage, but its still encountered during application practice many occasions using not smooth or Cannot use at all, such as: 1. require band will pass through part on an aperture or the small space on part, 2, It is required that two apertures that band passes through on part are tied up again, and 3, for being tied the insufficient occasion of object peripheral space.

Summary of the invention

It is designed present invention aims at the deficiency of existing automatic strapping machine or automatic tie tool on the market is solved Energy be applicable in a variety of different use demands a kind of automatic tie tool work head.

The present invention is achieved through the following technical solutions: a kind of work head of automatic tie tool, including shell, machine Frame, band guide rail, period control mechanism, guide grab mechanism, tensioning mechanism, cutter, knife drive mechanism；The rack is mounted on In the shell, there is pit to position in the rack for band head, there is U-type groove to be oriented in the rack for band, the bundle It is rectangular or trapezoidal guide channel with having in guide rail with the matched cross sectional shape of band head shape, the band guide rail Rectangular guide channel is connected to one end of U-type groove in the rack, and there are U-type groove, the guide grab mechanism in the guide grab mechanism When being closed with the rack, the U-type groove of the guide grab mechanism is connected to form closed U-type groove with the U-type groove in the rack The U-type groove and the U-type groove in the rack of guide collar or the guide grab mechanism are connected to be formed with the stranded surface for pricking part Closed guide collar, the symmetrical centre face of U-type groove is respectively positioned on described one kind in the U-type groove and the rack of the guide grab mechanism In the median plane of the work head of automatic tie tool, the tensioning mechanism is mounted on the rack, and the cutter is mounted on machine On frame and between band head and the take-up pulley, the knife drive mechanism is connected with the cutter and drives cutter Band is cut off, the period control mechanism directly or indirectly drives the tensioning mechanism.

Further, the rack either an one-piece parts or splits into 2 parts or multiple parts and leads to It crosses screw to be fixedly connected, the rack is for installing band guide rail, period control mechanism, tensioning mechanism, cutter, cutter driving machine Structure.

Further, it is provided with window part on the rack or the part of fractionation, dismantles the window part, Ke Yijian To the part of the tensioning mechanism, it is convenient to clean the clast sticked in tensioning mechanism part, the window part is also the drawing One of installation end of tight mechanism.

Further, there is pit in the rack, the pit is the sinking of rectangle or square, the pit It works with the end face one of one of guide grab of the guide grab mechanism and limits 6 freedom degrees on band head；Or institute The end face for stating guide grab does not contact directly with band head but utilizes between the end face and band head of the guide grab Stranded bundle object limit band head position, the end-acted of one of guide grab of the guide grab mechanism is pricked stranded On object, the end face of one of guide grab of the guide grab mechanism limits band together with the pit in an indirect way 6 freedom degrees on head.

Further, there is rectangular aperture in the pit in the rack, the aperture is located at the middle part of the pit, The aperture is that band tail portion is allowed to be passed into the tensioning mechanism.

Further, the guide channel of the band guide rail has 4 guide surfaces, the institute that 4 guide surfaces are surrounded State guide channel cross sectional shape be it is rectangular, 4 guide surfaces respectively in 6 faces of band head appearance profile wherein 4 face matchings are matched with the side on 4 faces on band head, are band motion guide, the guide channel of band guide rail Length direction is band motion profile, that is, the band direction of motion.The arrangement of the band guide rail: or make described Band motion profile is located in a kind of median plane of the work head of automatic tie tool, or the band is moved Track is vertical with a kind of median plane of the work head of automatic tie tool.When the length of the guide channel of the band guide rail When direction (i.e. band motion profile) is located in a kind of median plane of the work head of automatic tie tool, band head and bundle It is limited in the guide channel of the band guide rail with belt body and moves, i.e., band " longitudinal direction " is delivered to by the described band guide rail In the U-type groove of the rack；When the length direction (i.e. band motion profile) and described one of the guide channel of the band guide rail When the median plane of the work head of kind of automatic tie tool is vertical, the only band head U-type groove that is limited in the band guide rail Interior and band length direction is vertical with the length direction of the guide rail, and band " transverse direction " is delivered to by the band guide rail A kind of median plane of the work head of the automatic tie tool.

Further, the length direction (i.e. band motion profile) of the guide channel of the band guide rail either straight line or Person is curve.

Further, when the length direction (i.e. band motion profile) of the guide channel of the band guide rail is curve, and And the length direction (i.e. band motion profile) of the guide channel of the band guide rail and a kind of work of automatic tie tool Make head median plane it is vertical when, refer to the guide channel of at least described band guide rail end and a kind of automatic tie tool Work head median plane it is vertical.

Further, the most basic design of the guide grab mechanism be include at least two guide grab, i.e. the first guide grab and Second guide grab has U-type groove in first guide grab and the second guide grab；Or first guide grab is led with described second It is combined together to pawl and forms U-type groove, i.e., it is band motion guide that described first guide grab, which only provides a face, as U-type groove Bottom, second guide grab provide two sides；When second guide grab and first guide grab close up, described first The U-type groove of guide grab, the U-type groove of second guide grab and the rack, which joins end to end, connects the U-type groove guide collar to form closure, Pit one in one end of second guide grab and the rack, which works, limits 6 freedom degrees on band head, and described the The movement of one guide grab shortens the perimeter of the U-shaped guide collar, band tail portion is penetrated in the hole on band head.

Further or first guide grab is split into: the first static guide grab and the first hook action-oriented pawl.

Further or second guide grab is split into: the second motion guide pawl.Second static guide grab；Or Split into the second swing guide grab, the second slide-and-guide pawl.

Further, first guide grab, the second guide grab or first guide grab or second guiding Any part in motion guide pawl split by pawl: either it is driven by the cylinder or is driven by a motor cam or motor band Translation movement or wobbling action are made in dynamic connecting rod driving or manually operated trigger driving.

The band guide rail is to be transported to band one by one in the guide grab mechanism to position, band guide rail feeding side To being on the direction vertical with the symmetrical centre face of U-type groove of the guide grab mechanism by band lateral transfer, the band The mode of guide rail lateral transfer band is mainly used for realizing that Table top type is tied up；Or the band guide rail feed direction is to be located at institute It states in the symmetrical centre face of the U-type groove of guide grab mechanism and is positioned into the guide grab mechanism by band is longitudinally fed.

Further, when a kind of work head of automatic tie tool is tied up for realizing Table top type, due to band It is lateral feeding style, leading to the symmetrical centre face of band and the symmetrical centre face of the U-type groove of the guide grab mechanism, there are angles Error is spent, in order to reduce the influence of the angular error, the two sides of the U-type groove of the first guide grab of the guide grab mechanism are done At inclined-plane, i.e. horn mouth.

The tensioning mechanism includes: active center take-up pulley, auxiliary take-up pulley, transmission gear；The active center tenses The quantity of wheel at least 1, at least one transmission gear is coaxially connected firmly with the active center take-up pulley, the auxiliary take-up pulley Quantity be 1 or 2 or 2 or more, when surrounding the active using 2 or 2 or more auxiliary take-up pulleies When central tension wheel, circumference of described 2 or 2 or more the auxiliary take-up pulleies along the active center take-up pulley, institute The circumference that the auxiliary take-up pulley for stating 2 or 2 or more makes band wrap the active center take-up pulley forms certain cornerite, energy Bigger tightening force is provided.

Further, at least one auxiliary take-up pulley and the active center take-up pulley are fixed center away from design Either described at least one auxiliary take-up pulley is pulled to or is pressed to the active center take-up pulley by design spring.

Further, each auxiliary take-up pulley also coaxially connects firmly the installation transmission gear, that is, allows each described auxiliary Help take-up pulley all dynamic incoming.

Further, the period control mechanism is: period gear and sensor combinations, and external impetus is from the period tooth Wheel input, in period gear axial direction, axially there are gaps for the sensor and the period gear, described for sensor setting At least one magnet or a protrusion or a hole on period gear, the sensor detect the period gear and turn over N circle or 1/N circle, (N is positive integer, and generally, N 1,2,3 or 4,1) N is at least, and the sensor issues signal, control External impetus processed stops input, completes a band duty cycle；The period control mechanism is either: rack and pinion group It closes, gear described in the rack drives drives tensioning mechanism, and a band is completed in moving to a direction for rack drives gear Duty cycle, the rack gear reversely return to reset.

Further, the period direct geared of the period control mechanism is engaged with the transmission gear of the tensioning mechanism, It is tensed when the fixed angle of period gear rotation drives the transmission gear to turn over the i.e. described active center of fixed circle number When wheel turns over fixed perimeter, band is cut off with the actuated by cams cutter that the period gear coaxially connects firmly, is realized " measured length " Cutting；Or " a three end input/output mechanisms " are installed additional in period direct geared and the transmission gear, one three end Input/output mechanism includes: adjusting screw rod, vernier, adjustment spring, planetary gear pedestal, internal-external gear, sun gear, the period Gear is engaged with the sun gear, and the outer gear ring of the internal-external gear is engaged with the transmission gear of the tensioning mechanism, rotation The adjusting screw rod controls to adjust spring to the pre-pressing force of the planetary gear pedestal, when tension of the tensioning mechanism to band It is described when torque caused by power is equal to or more than torque of the adjustment spring to the pre-pressing force of the planetary gear pedestal Planetary gear base rotation simultaneously drives the cutter cutting band, realizes " determining torque " cutting.

Further, the cam coaxially connected firmly when " measured length " cutting-off method described in the use with the period gear is exactly Knife drive mechanism；When using " determining torque " cutting-off method, " a three end input/output mechanisms " are exactly cutter driving Mechanism；Or machinery is obtained (before one band of completion ties up the period) when some fixes position when the period gear turns to Perhaps electric signal uses cylinder or increased motor-driven crank connecting link or rack-and-pinion to drive as knife drive mechanism Cutter cuts off band.

A kind of work head of automatic tie tool can be used as hand-held tool use, or increase bracket, will A kind of shell of the work head of automatic tie tool is screwed on bracket as fixed tie tool It uses.

Further, a kind of work head of automatic tie tool is fixed on the bracket, the guide grab First guide grab of mechanism is split as the first opposing stationary guide grab and the first relative motion guide grab, and second guide grab is done Translation movement, realize band pass through be tied workpiece 1 hole or realize band pass through be tied workpiece small space from It is dynamic to tie up operation.

Further, a kind of work head of automatic tie tool is fixed on the bracket, the guide grab Translation movement is integrally done by mechanism or the swing around fixing axle, first guide grab are swung relative to second guide grab Movement realizes that band passes through the automatic of 2 holes for being tied workpiece and ties up operation.

The beneficial effects of the present invention are:

1, relative to manual working, the efficiency that automatic tie ties up operation is greatly improved, the labour of worker is significantly reduced Intensity；

2, the basic engineering of a core is provided, it is only necessary to which slightly changing to the layout of guide rail can be used to Table top type band Machine, the Table top type belt banding machine designed based on the present invention are designed relative to the Table top type belt banding machine of 5 traditional motors, structure It greatly simplifies, simplified structure can make output action be swift in response, equipment dependability improves.

3, the basic engineering of a core is provided, and provides the design combination of a variety of different guide grab mechanisms, and not Same guide grab mounting means, so that the present invention both can be used as hand-held tie tool and use, can also be used as fixed bundle Band machine uses, and can also realize that " band passes through part single hole " that existing tie tool cannot achieve, " band passes through part 2 holes " and the various of " band passes through part small―gap suture " use demand, have expanded the adaptation that object is tied for difference significantly Ability has expanded the application range of automatic tie tool significantly；

4, the present invention also provides the differences such as " determining torque " and " measured length " " tension ----cutting " logical relation and designs Method, to being tied the different tension force request of workpiece, different tensions ----cutting response mode and automatic tie tool The different options that internal space layout design provides.

[Detailed description of the invention]

Fig. 1 is top view of the invention, is used as hand-held tie tool；

Fig. 2 is main view of the invention, is used as hand-held tie tool；

Fig. 3 is main view of the invention, removes the parts such as face-piece, a rack；

Fig. 4 is A-A cross-sectional view corresponding with Fig. 1, and guide grab mechanism is in the open state；

Fig. 5 is A-A cross-sectional view corresponding with Fig. 1, and guide grab mechanism is in closed state；

Fig. 6 is main view of the invention, A-A partial sectional view corresponding with Fig. 1, removes a face-piece and period control machine Structure；

Fig. 7 is main view of the invention, removes a face-piece and period control mechanism, and guide grab mechanism is in open shape State；

Fig. 8 is C-C cross-sectional view amplification amplification corresponding with Fig. 7, shows the U-type groove design of guide grab mechanism；

Fig. 9 is B-B cross-sectional view amplification corresponding with Fig. 3, shows the design of band guide rail；

Figure 10 is rearview of the invention；

Figure 11 is the axonometric drawing of rack, shows U-type groove, the pit, window part of rack；

Figure 12-Figure 13 is main view of the invention, removes a face-piece and period control mechanism；First and second guide grab It is all made of actuated by cams, guide grab is respectively at the state of opening and closing；

Figure 14-Figure 15 is main view of the invention, removes a face-piece, first and second guide grab is driven using cylinder, Guide grab is respectively at the state of opening and closing；

Figure 16 is main view of the invention, and A-A partial sectional view corresponding with Fig. 1 removes a face-piece, the second guide grab Split into the second swing guide grab and the second slide-and-guide pawl；

Figure 17 is main view of the invention, removes a face-piece and period control mechanism, drives cutter using cylinder；

Figure 18 is main view of the invention, removes a face-piece and period control mechanism, and the first guide grab is driven using cam Dynamic, the second guide grab is driven using cylinder；

Figure 19-Figure 20 is main view of the invention, removes a face-piece, rack and period control mechanism；Show that cam is logical Swing rod driving cutter is crossed, guide grab is respectively at closure and opening state；

Figure 21 is the rack-mount axonometric drawing of the present invention, and the second guide grab is fixed on the extension end of cylinder, realizes and " pricks Band passes through tying up for the single hole of part ", guide grab is in the open state；

Figure 22 is the rack-mount axonometric drawing of the present invention, and the second guide grab is mounted on the extension end of cylinder, realizes and " pricks Band passes through tying up for the single hole of part ", showing has the stranded state for pricking part；

Figure 23 is the rack-mount top view of the present invention, for " band passes through tying up for the single hole of part "；

Figure 24 is the rack-mount main view of the present invention, D-D broken section corresponding with Figure 23, for " band to be worn Cross tying up for the single hole of part ", guide grab is in closed state；

Figure 25 is the rack-mount axonometric drawing of the present invention, and the first guide grab and the second guide grab are installed in cylinder " band passes through tying up for two holes of part " is realized in extension end, and guide grab is in the open state；

Figure 26 is the rack-mount top view of the present invention, for " band passes through tying up for single two holes of part "；

Figure 27 is the rack-mount main view of the present invention, E-E broken section corresponding with Figure 26, for " band to be worn Cross tying up for two holes of part ", guide grab is in the open state；

Figure 28 is the rack-mount main view of the present invention, E-E broken section corresponding with Figure 26, for " band to be worn Cross tying up for two holes of part ", guide grab is in closed state, shows that band passes through stranded two holes for pricking part；

Figure 29 is the rack-mount main view of the present invention, E-E broken section corresponding with Figure 26, for " band to be worn Cross tying up for two holes of part ", the second guide grab is in hook and moves state, and band is tightened up mechanism and bites；

Figure 30 is the rack-mount top view of the present invention, for " band passes through tying up for the narrow space of part "；

Figure 31 is the rack-mount main view of the present invention, corresponding with Figure 30, the first guide grab and the second guide grab point Two parts are not split into, and for " band passes through tying up for the narrow space of part ", guide grab is in the open state；

Figure 32 is F-F cross-sectional view corresponding with Figure 30, and the first guide grab and the second guide grab split into two parts respectively, For " band passes through tying up for the narrow space of part ", guide grab is in closed state；

Figure 33 is F-F partial sectional view amplification corresponding with Figure 30, the movement of the first hook action-oriented pawl；

Figure 34 is F-F cross-sectional view corresponding with Figure 30, and the first guide grab and the second guide grab split into two parts respectively, The coil of motor stator is in and ties up completion status；

Figure 35 is the rack-mount top view of the present invention, for " band passes through tying up for the narrow space of part "；

Figure 36 is the rack-mount main view of the present invention, G-G broken section corresponding with Figure 35, for " band to be worn Cross tying up for the narrow space of part ", the first guide grab and the second guide grab have gap, guide grab and stranded bundle part when being closed (silicon steel sheet of motor stator) surface collective effect is band guiding；

Figure 37 is the rack-mount main view of the present invention, G-G broken section corresponding with Figure 35, for " band to be worn Cross tying up for the narrow space of part ", the coil of motor stator, which is in, ties up completion status；

Figure 38 is the rack-mount axonometric drawing of the present invention, is used as fixed tie tool；

Figure 39 is the rack-mount top view of the present invention, is used as fixed tie tool；

Figure 40 is the rack-mount main view of the present invention, and corresponding with Figure 39, the second guide grab is by being built in shell Cylinder driving；

Figure 41 is H-H cross-sectional view corresponding with Figure 39；

Figure 42 is I-I cross-sectional view corresponding with Figure 39；

Figure 43 is that the present invention is hand-held tie tool in itself, and rack-mount axonometric drawing is pulled using cylinder triggering Machine is used as fixed tie tool.

Figure 44 is axonometric drawing of the invention, is applied to Table top type belt banding machine；

Figure 45 is T partial enlarged view corresponding with Figure 44；

Figure 46 is top view corresponding with Figure 44；

Figure 47 is L-L cross-sectional view corresponding with Figure 46；

Figure 48 is N partial enlarged view corresponding with Figure 47；

Figure 49 is M-M cross-sectional view corresponding with Figure 46；

Figure 50 is J-J cross-sectional view corresponding with Figure 46；

Figure 51 is right view corresponding with Figure 46；

Figure 52 is K-K cross-sectional view corresponding with Figure 46；

Figure 53 is O-O cross-sectional view corresponding with Figure 52, shows the inclined design of the first guide grab U-type groove two sides；

Figure 54 is A-A cross-sectional view corresponding with Fig. 1, is " determining torque " cutting mode, only one auxiliary take-up pulley is set Meter；

Figure 55 is a kind of axonometric drawing of tensioning mechanism, shows two auxiliary take-up pulleies along center active take-up pulley circumference cloth It sets, and two auxiliary take-up pulleies are driven by transmission gear respectively；

Figure 56, Figure 57 are the axonometric drawings of the different perspectives of " determining torque " cutting design, are shown from period gear to fastener The transmission of structure；

Figure 58 is B-B cross-sectional view amplification corresponding with Fig. 3, and show band guide rail is the U-type groove and arc by feeding roller The combination of shape plate.

It illustrates:

A-A, E-E, F-F, G-G, H-H, K-K are a kind of centers of the work head of automatic tie tool in above-mentioned figure The symmetrical centre face of the U-type groove of face and the guide grab mechanism 5；M-M, K-K are the symmetrical centre faces of band 06 in figure；On U-type groove described below refers to that three faces are connected and surrounds unsealed square groove or unsealed dovetail groove, described Rectangular square or rectangle；" closure " U-type groove guide collar described in context does not imply that each U-type groove connects Be when connecing it is seamless, allow in seam crossing to have gap in the case where not causing band to move unstability.

A kind of appended drawing reference: 01, work head of automatic tie tool；02, bracket；03, there is the workpiece in a hole；04, have The workpiece in two holes；05, motor stator；06, band；07, trigger triggers cylinder；08, trigger pressing plate；1, face-piece；2, rack； 210, frame body；220, rack cover；230, mounting plate；211, pit；212, aperture；213, U-type groove；220, housing cap Plate；2201, window part；230, block is corrected；2301, it laterally makes correction for direction；2302, longitudinal to make correction for direction；3, band guide rail； 30, ratchet feed device；301, ratchet；302, clutch shaft；303, spring；304, friction plate；305, adjusting nut；309, motor And reduction gearbox；4, period control mechanism；401, period gear；402, sensor；403, magnet or protrusion or hole；5, it is oriented to Pawl mechanism；51, the first guide grab；5101, the first hook action-oriented pawl；5102, the first static guide grab；5201, the second movement is led To pawl；5202, the second static guide grab；511, the first guide grab rotary middle spindle；512, the first guide grab drive pin；513, it dials Fork arm；514, yoke bar centrepin；515, connecting rod；516, connecting rod centrepin；517, roller follower；518, connecting rod reset spring； 52, the second guide grab；5201, the second motion guide pawl；5202, the second static guide grab；5203, second guide grab is swung； 5204, the second slide-and-guide pawl；5205, guide grab reset spring；521, the second guide grab centrepin；522, trigger bar； 523, trigger centrepin；524, trigger；525；Trigger reset spring；531, the first guide grab cylinder；532, cylinder mounting pin； 541, guide rail；542, the second guide grab cylinder；551, roller follower；552, cam；6, tensioning mechanism；611, active center tenses Wheel；612, active center tenses axis；621, take-up pulley is assisted；622, auxiliary tenses axis；623, support plate；624, support plate center Pin；625, tightening force adjustment spring；626, tightening force adjusts screw；7, cutter；8, knife drive mechanism；80, a kind of three ends are defeated Enter output mechanism；801, adjusting screw rod；802, vernier；803, adjustment spring；804, planetary gear；805, planetary gear pedestal； 806, sun gear；807, internal-external gear；808, finger；81, cam；811, lever；812, lever central pin；813, cutter is multiple Position spring；821, cylinder；822, cutter driving pin；9, motor and reduction gearbox；10, electric control panel；11, data line；12, feeding Pipe.

[specific embodiment]

With reference to the accompanying drawing and specific embodiment is described further the present invention:

Embodiment 1(overall structure and function):

It is as shown in Figure 1, Figure 2, Figure 3 shows: a kind of work head of automatic tie tool, including shell 1, rack 2, band guide rail 3, Period control mechanism 4, guide grab mechanism 5, tensioning mechanism 6, cutter 7, knife drive mechanism 8；As shown in Figures 1 to 7: there are also electricity Machine and reduction gearbox 9, electric control panel 10, data line 11, feed pipe 12, the electric control panel 10, data line 11, feed pipe 12 It is installed on shell 1.The rack 2 is mounted in the shell 1, has pit 211 to position in the rack 2 for band head, There is U-type groove to be oriented in the rack 2 for band, has in the band guide rail 3 and be with the matched cross sectional shape of band head shape The rectangular guide channel of rectangular guide channel, the band guide rail 3 is connected to one end of U-type groove in the rack, described to lead Have U-type groove to pawl mechanism 5, when the guide grab mechanism 5 is closed with the rack 2, U-type groove in the rack 2 with it is described Guide grab mechanism 5 U-type groove connection at closure guide collar, by U-type groove bottom calculate, the perimeter of the guide collar be equal to or Person is greater than the length of band, and the symmetrical centre face of U-type groove is respectively positioned on institute in the U-type groove and the rack of the guide grab mechanism 5 In the median plane for stating a kind of work head of automatic tie tool, the tensioning mechanism 6 is made of multiple take-up pulleies, the fastener Structure 6 is mounted in the rack 2, and the cutter 7 is mounted in rack 2 and between band head and the take-up pulley, institute It states knife drive mechanism 8 to be connected with the cutter 7, provides cutting power, the motor and reduction gearbox 9 and described for cutter 7 Period control mechanism 4 is mounted on the part mounting plate 230 that the rack 2 is split, and the period control mechanism 4 is driven by gear Move the tensioning mechanism 6.

The course of work: as shown in Fig. 1 to Fig. 7, Figure 28, Figure 29: when a kind of work 1 of automatic tie tool receives touching It signals, (trigger signal is from trigger or floor push or inductive switch or external equipment input signal), band By the band guide rail 3, the guide grab mechanism 5 is directed by the U-type groove of the rack 2, when band head enters When in the pit 211 of the rack 2, the end of the second guide grab 52 of the guide grab mechanism 5 and the pit 211 are made jointly With 6 freedom degrees on limitation band head, U-type groove of the band band in the rack 2 be U-shaped with the guide grab mechanism 5 Band is set to crimp lopping in slot, while the motor is activated, the motor and reduction gearbox 9 drive the period control mechanism 4 Period gear 401 rotate and drive the tensioning mechanism 6,51 hook of the first guide grab it is dynamic so that the guide collar it is effective Perimeter shortening forces band tail portion to penetrate in the hole on band head and enters in the tensioning mechanism 6, and the tensioning mechanism 6 will be pricked After band tenses, the knife drive mechanism 8 drives the movement cutting band of cutter 7, and the tensioning mechanism 6 is by the band tailing of cutting Roll out, the sensor 402 of the period control mechanism 4 detect the period gear 401 turn over N circle or 1/N circle (N is positive Integer, N generally take 1 perhaps 2) after the electric control panel 10 control motor and reduction gearbox 9 and pneumatic element stop motion or It resets completion one to tie up the period, electric control panel 10 can be external.

Embodiment 2(is about rack construction):

As shown in Fig. 4, Fig. 5, Figure 11: the rack 2 splits into frame body 210, rack cover 220, mounting plate 230 simultaneously It is screwed connection, the period control mechanism 4, motor and reduction gearbox 9, knife drive mechanism 8 install the mounting plate On 230, the tensioning mechanism 6, cutter 7 are mounted in the assembly of the frame body 210 and rack cover 220, the bundle Band guide rail 3 is mounted in rack 2.If the frame body 210, rack cover 220 can be merged into one using electro-discharge machining A part；If not considering difficulty of processing, the mounting plate 230 can also be made of one with rack.

It is as shown in figure 11: to there is pit 211 to position in the frame body 210 for band head, have length in the pit 211 Square aperture 212 is passed into the tensioning mechanism 6 for band tail portion, after the frame body 210 is combined with rack cover 220 Outer rim there is U-type groove 213 to be oriented to for band, be provided with window part 2201 in the rack cover 220, dismantle the window part 2201, the clast sticked on tensioning mechanism 6 can be cleared up, one end of the tensioning mechanism 6 is mounted on the window part On 2201；If there is no window part 2201 in the rack cover 220, needs to dismantle a large amount of part and could clear up and stick Clast on tensioning mechanism 6；As shown in Figure 10, Figure 11, because structure design and placement differences, the window part 2201 slightly have It is different.

As shown in Figure 44, Figure 45, Figure 46: frame body 210 and guide rail body 31 are the same parts, the band guide rail The length direction (i.e. band motion profile) of 3 guide channel and a kind of median plane of the work head 1 of automatic tie tool Vertically, band " transverse direction " is delivered to a kind of median plane of the work head 1 of automatic tie tool by the band guide rail 3, is Band is allowed to enter the U-type groove of guide grab mechanism 5, the U-type groove in frame body 210 does a side less, as an alternative, Correcting block 230 is installed in rack 2, the correcting block 230 is in the work head 1 that band 06 enters a kind of automatic tie tool It is lower than the bottom surface of the U-type groove in frame body 210 before the K-K of heart face, when band 06 enters a kind of work of automatic tie tool After first 1 median plane K-K, the correcting block 230 rectifys band by arrow direction shown in shown in Figure 45 2301 or 2302 Just.

Embodiment 3:

(about guide grab functional structure)

It is as shown in Figures 2 to 7: the most basic design of the guide grab mechanism 5 be include at least two guide grab, i.e., first When guide grab 51 and the second guide grab 52(band send from the band guide rail 3 and are sent to the guide grab mechanism 5, Its U-type groove is first referred to as the second guide grab with what first guide grab 51 that is referred to as of band contact, U-type groove followed by band contacted 52), as shown in Fig. 4, Fig. 5, Fig. 6, Fig. 8: there is U-type groove in first guide grab 51 and the second guide grab 52, as shown in Figure 5: When second guide grab 52 is closed with first guide grab 51, the U of first guide grab 51, second guide grab 52 The U-type groove of type groove and the rack 2, which joins end to end, connects the U-type groove guide collar to form closure, at this time first guide grab 51, institute It states the sum of the U-type groove of the second guide grab 52 and the perimeter of groove bottom of U-type groove of the rack 2 and is equal to or more than stranded prick The length of band, band are bent lopping in the guide collar；As shown in Figure 6: first guide grab 51 turns around the first guide grab The dynamic swing of central axis 511 shortens effective perimeter of the guide collar, since band head is limited, band tail portion is forced to penetrate In the hole on band head and enter in the tensioning mechanism 6；Or as shown in figure 36: described after the guide grab mechanism 5 is closed The U-type groove of the U-type groove of guide grab mechanism 5 and the rack 2 is connected but is not closed, and is to prick part (motor by means of stranded Stator 05) surface combine the guide collar to form closure, at this point, the guide grab mechanism 5(include first swing guide grab 5101, the first static guide grab 5102, the second guide grab 52) the slot bottom of U-type groove and the slot bottom of U-type groove of the rack 2 add The sum of upper stranded one section length for pricking part (motor stator 05) is equal to or more than the stranded length for pricking band, this U-shaped Slot be connected it is inc design with " the U-type groove guide collar of closure " above-mentioned be equivalent arrangements.The course of work: band is sent to When the guide grab mechanism 5, band first contacts first guide grab 51, and leads in the U-type groove of first guide grab 51 To entering back into guiding in the U-type groove of second guide grab 52.

Further, as shown in Figure 25 to Figure 29: the U-type groove of the guide grab mechanism 5 is all made in second guiding On pawl 52, i.e. first guide grab 51 does not have U-type groove, and it is that band movement is led that first guide grab 51, which provide a face, To as the bottom of U-type groove, second guide grab 52 provides two sides, i.e. first guide grab 51 and described second Guide grab 52 combines the U-type groove for forming guide grab mechanism 5 together；It is as shown in figure 28: the week of " the U-type groove guide collar of closure " The long length for being more than or equal to band.

Further, as shown in Figure 5, Figure 6: in 5 at least two guide grab of guide grab mechanism, the first guide grab 51 has Two basic functions: first is that being oriented to for band, second is that making " the U-type groove guide collar of closure " after 51 hook of the first guide grab is dynamic Perimeter shortens that band tail portion is penetrated band head and is entered in the tensioning mechanism 6；As Fig. 5, Fig. 6, Figure 24, Figure 28, Shown in Figure 29: also there are two basic functions for second guide grab 52: first is that being oriented to for band, second is that second guide grab 52 One end and the rack 2 in pit 211 work and limit 6 freedom degrees on band head；Such as Figure 24, Figure 28, Figure 29 Shown: one end of second guide grab 52 is not direct to be contacted with band head, but the end of second guide grab 52 is pressed The workpiece 03 for having a hole that is firmly tied or workpiece 04 there are two hole is pushed down, passes through the work for having a hole being tied Part 03 or there are two the pits 211 in the workpiece 04 in hole and the rack 2 to work and limit 6 freedom on band head Degree；In the workpiece 03 for having a hole tied up or there are two the workpiece 04 in hole in, the end of second guide grab 52 Pit 211 in portion's indirectly-acting and the rack 2, which works, limits 6 freedom degrees on band head.

Further, as shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Figure 10, Figure 12 to Figure 15: the guide grab mechanism 5 include 2 guide grabs (i.e. the first guide grab 51 and the second guide grab 52)；It, will be described in order to which part placement is convenient in Figure 16 Second guide grab 52) it is split as the second swing guide grab 5203 and the second slide-and-guide pawl 5204；As shown in Figure 30 to Figure 34: will First guide grab 51 is split into: the first hook action-oriented pawl 5101 and the first static guide grab 5102；Described second is oriented to Pawl 52 is split into: the second motion guide pawl 5201 and the second static guide grab 5202；The purpose of fractionation is dry in order to avoid moving It relates to, the first hook action-oriented pawl 5101 and the first static combination of guide grab 5102 are equal to first guide grab 51, and described First hook action-oriented pawl 5101 completes two basic functions of first guide grab 51 above-mentioned (first is that being oriented to for band, two It is to shorten " guide collar of the closure " perimeter), similarly, the second motion guide pawl 5201 and second static lead It is equal to second guide grab 52 after combining to pawl 5202, the second motion guide pawl 5201 completes above-mentioned described the Two guide grabs 52 two basic functions (first is that for band be oriented to, second is that one end of the second motion guide pawl 5201 with Pit 211 in the rack 2, which works, limits 6 freedom degrees on band head)；As shown in Figure 35, Figure 36, Figure 37: only First guide grab 51 is split into: the first hook action-oriented pawl 5101 and the first static guide grab 5102；Figure 30 to Figure 37 institute Show that the guide grab structure design method of fractionation is mainly used for band and needs tying up across small space, as motor stator, pipe connect First-class workpiece.

Shown in Figure 52, Figure 53: in a kind of work head of automatic tie tool as described in being perpendicular to when band guide rail 3 When heart face, i.e., band is when being laterally sent into the guide grab mechanism 5, and band tail portion is likely to occur skew, is led described first Inclined-plane 5100 is made to the two sides of the U-shaped guide groove of pawl 51, the band belt body for skew occur is facilitated to enter first guiding The U-shaped guide groove of pawl 51.

(installation about guide grab)

As shown in Figures 2 to 7: the guide grab mechanism 5 is arranged close to the rack 2 and is mounted in the rack 2.

As shown in Figure 14 to Figure 20: the second guide grab 52 of the guide grab mechanism 5 is by the second guide grab cylinder 542 It is mounted on the shell 1.

As shown in FIG. 21 to 24: first guide grab 51 is mounted in the rack 2, and second guide grab 52 is logical It crosses the second guide grab cylinder 542 to be mounted on bracket 02, the second guide grab cylinder 542 pulls second guide grab 52 to exist The top in diagram is slided and slided on guide rail 541, is put into the workpiece 03 in a hole, and the second guide grab cylinder 542 is drawn Second guide grab 52 is moved the lower section in diagram is slided and slided on guide rail 541 and is closed with first guide grab 51, When completion is to after the tying up of workpiece 03 for having a hole, second guide grab 52 is pulled to the top in diagram to take out work Part 03.

As shown in Figure 25 to Figure 29: first guide grab 51 and the first guide grab cylinder 531 are installed in described second On guide grab 52, second guide grab 52 is mounted on bracket 02 by the second guide grab cylinder 542, second guide grab Cylinder 542 pulls second guide grab 52 to slide on guide rail 541, second guide grab 52 in the example shown upper end position when It is put into the workpiece 04 there are two hole, the second guide grab cylinder 542 pulls second guide grab 52 to lead together with described first It slides to the lower section in illustrating to pawl 51 to push down there are two the workpiece 04 in hole, workpiece 04 is by band head position and lock in the rack In 2 pit 211, band belt body passes through two holes of workpiece 04 and in the U-type groove of the guide grab mechanism 5 and the rack 2 U-type groove guide collar in around lopping, the first guide grab cylinder 531 drives first guide grab 51 movement to force band tail Portion penetrates in the hole on band head and enters in the tensioning mechanism 6, after band is tightened up cutting, the second guide grab cylinder 542 pull second guide grab 52 to slide to the top in diagram together with first guide grab 51, take out workpiece 04, completion pair The tying up there are two the workpiece 04 in hole.

As shown in Figure 44 to Figure 52: being that the present invention is applied to the use of Table top type automatic strapping machine, first guide grab 51 Being mounted in the rack 2 can rotate around the first guide grab centrepin 511, and second guide grab 52 is mounted on the rack 2 On, minute angle swing can be done around the second guide grab centrepin 521, the first guide grab cylinder 531 is driven by the first guide grab Pin 512 and first guide grab 51 are hinged, and the first guide grab cylinder 531 drives first guide grab 51 to lead around first It rotates to pawl centrepin 511 and is closed to second guide grab 52, first guide grab 51, which continues to rotate, makes band tail portion Across band head and it is inserted into tensioning mechanism 6, after band is tightened up, knife drive mechanism 8 drives cutter 7 to cut off band, when When sensor 402 detects that period gear 401 turns to fixed position, tying up the period automatically for a band is completed.

(driving method about guide grab)

As shown in Fig. 3, Fig. 6, Fig. 7: first guide grab 51 is driven by a motor the driving of cam 81: cam 81 drives driven Roller 517 drives connecting rod 515 to rotate around connecting rod centrepin 516, and the rotation of connecting rod 515 drives yoke bar 513 around yoke bar center Pin 514 rotates, and yoke bar 513 drives the first guide grab drive pin 512, and the first guide grab drive pin 512 is fixed on described first The end of guide grab 51 acts on first guide grab 51 described in the power drive on the first guide grab drive pin 512 It is swung around the first guide grab centrepin 511.Second guide grab 52 drives trigger bar 522 to drive by trigger 524, and second leads It is rotated to pawl 52 around the second guide grab centrepin 521.

As shown in Figure 12 and Figure 13: first guide grab 51 is driven by a motor the driving of cam 81, second guide grab 52 It is driven by cam 552.

As shown in Figure 14, Figure 15, Figure 16, Figure 27, Figure 28, Figure 29: first guide grab 51 is by the first guide grab cylinder 531 drivings, second guide grab 52 are driven by the second guide grab cylinder 542；

As shown in Figure 17, Figure 18, Figure 19, Figure 20, Figure 21, Figure 22, Figure 23, Figure 24, Figure 42: first guide grab 51 by Motor band moving cam 81 drives, and second guide grab 52 is driven by the second guide grab cylinder 542；In Figure 42, the second guiding Pawl cylinder 542 is built in shell 1.

As shown in figure 43: a kind of work head 01 of automatic tie tool is mounted on bracket 02, and trigger triggers cylinder 07 is also mounted on the bracket 02, and the trigger triggering cylinder 07 movement band trigger action pressing plate 08, which depresses trigger 524, to be driven Second guide grab 52.

As shown in Figure 51, Figure 52: second guide grab 52 can do minute angle pendulum around the second guide grab centrepin 521 Dynamic, the first guide grab cylinder 531 is hinged by the first guide grab drive pin 512 and first guide grab 51, and described first leads First guide grab 51 is driven to rotate around the first guide grab centrepin 511 to pawl cylinder 531 and to second guide grab 52 Closure.

Embodiment 4:

(about band guide rail)

As shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 9: the band guide rail 3 include guide rail body 31, guide rail cover board 32, The guide rail body 31 has U-type groove, and the U-type groove and guide rail cover board 32 of the guide rail body 31 form 4 of band guide channel Guide surface, the cross sectional shape of the guide channel that 4 guide surfaces are surrounded are that rectangular or trapezoidal (described is rectangular Refer to " rectangle " or " square "), 4 guide surfaces respectively with band head appearance profile with band length side It is matched to parallel 4 faces matching or with the side on 4 faces on the band head, is band motion guide, band is led The length direction of the guide channel of rail is band motion profile, that is: the band direction of motion is the length direction of band.Institute It states the arrangement of band guide rail: being so that the band motion profile is located at a kind of center of the work head of automatic tie tool In face, when the length direction (i.e. band motion profile) of the guide channel of the band guide rail is located at a kind of automatic tie work When in the median plane of the work head 01 of tool, band head and band belt body are limited in the guide channel of the band guide rail 3 Band " longitudinal direction " is delivered in the U-type groove of the rack 2 by interior movement, i.e., the described band guide rail 3；The band guide rail 3 is led To length direction (i.e. band motion profile) the either curve in channel.

As shown in Figure 44, Figure 46, Figure 49, Figure 50: the band guide rail 3 includes guide rail body 31, and guide rail cover board 32 is described Guide rail body 31 has U-type groove, 4 guiding of U-type groove and guide rail cover board 32 the composition band guide channel of the guide rail body 31 Face, the length side of 4 guide surfaces and band of U-type groove and guide rail cover board 32 the composition band guide channel of the guide rail body 31 To vertical, only band head is limited in the U-type groove of the guide rail body 31 and guide rail cover board 32 forms band guide channel 4 guide surfaces；The band guide rail 3 makes the band motion profile (guide channel of band guide rail 3) and described one kind The median plane of the work head 01 of automatic tie tool is vertical, and in figures 4-6 can, the section K-K is a kind of work of automatic tie tool Make first 01 median plane, the band guide rail 3 conveys band 06 from left to right, the length of the guide channel of the band guide rail 3 Degree direction (i.e. band motion profile) is vertical with a kind of median plane of work head 1 of automatic tie tool, and the band is led Band " transverse direction " is delivered to a kind of median plane of the work head 1 of automatic tie tool by rail 3；The band guide rail 3 is led Either straight line or curve is made into the length direction (i.e. band motion profile) in channel.

As shown in figure 50: the guide rail body 31 is the roller for having multiple U-type grooves being uniformly distributed along the circumference, guide rail cover board 32 4 guide surfaces of each U-type groove of cambered surface and the guide rail body 31 composition band guide channel.

Embodiment 5:

(about tensioning mechanism)

Such as Fig. 3 to Fig. 7, Figure 19, Figure 20, Figure 24, Figure 24 to Figure 29, Figure 32 to Figure 34, Figure 50 to Figure 52, Figure 54 to Figure 57 Shown: the tensioning mechanism 6 includes: active center take-up pulley 611, active center tension axis 612, auxiliary take-up pulley 621, auxiliary Axis 622, transmission gear 613 are tensed, the active center tenses axis 612 and can be merged into the active center take-up pulley 611 One part, the auxiliary, which tenses axis 622, can be merged into a part with the auxiliary take-up pulley 621；The active center The quantity of take-up pulley 611 at least 1, at least one transmission gear 613 is coaxially connected firmly with the active center take-up pulley 611, institute The quantity for stating auxiliary take-up pulley 621 is 1,2 or 2 or more.

As shown in Figure 54, Figure 56, Figure 57, the quantity of the active center take-up pulley 611 is 1, the auxiliary take-up pulley 621 quantity also only has 1.

As shown in Fig. 3 to Fig. 5, Figure 19, Figure 20: the quantity of the active center take-up pulley 611 is 1, auxiliary using 2 Take-up pulley 621 is helped to surround the circumference of the active center take-up pulley 611, described 2 auxiliary take-up pulleies 621 make band packet Certain cornerite is formed around the circumference of the active center take-up pulley 611, described 2 auxiliary take-up pulleies 621 are tensed by auxiliary Axis 622 is mounted in support plate 623, and the support plate 623 can be rotated around support plate centrepin 624, the support plate centrepin 624 are securedly mounted in the rack 2, and rotation tightening force adjusts screw 626 and the elastic force that tightening force adjusts 625 is adjusted The auxiliary take-up pulley 621 is adjusted to the pressure of band, described 2 auxiliary take-up pulleies 621 and the active center take-up pulley 611 center away from be float.

As shown in Figure 24, Figure 24 to Figure 29, Figure 32 to Figure 34, Figure 50 to Figure 52, Figure 55: the active center take-up pulley 611 quantity is 1, and 2 auxiliary take-up pulleies 621 surround the circumference of the active center take-up pulley 611, in Figure 55 In, described 2 auxiliary take-up pulleies 621 be made into structure with the level be in order to increase the contact area with band, described 2 The circumference that auxiliary take-up pulley 621 makes band wrap the active center take-up pulley 611 forms certain cornerite, and the active center is drawn Bearing up pulley 611 and 2 auxiliary take-up pulleies 621 are mounted in rack 2 by bearing, described 2 auxiliary take-up pulleies 621 with The active center take-up pulley 611 be fixed center away from.

As shown in Figure 55, Figure 56, Figure 57: each auxiliary take-up pulley 621 also coaxially connects firmly the installation transmission gear 613, that is, allow each auxiliary take-up pulley 621 dynamic incoming.

It is as shown in Figure 4, Figure 5: at least to make ratchet or decorative pattern on the periphery of the active center take-up pulley 611, increase Frictional force of the active center take-up pulley 611 to band.

Embodiment 6:

(about period control mechanism)

As shown in Fig. 3, Figure 14, Figure 15, Figure 16: the period control mechanism 4 includes period gear 401, sensor 402, The power of the period gear 401 is passed to by the motor and reduction gearbox 9, and the sensor 402 is close to the period gear 401 Arrange there is one or more 1 or multiple magnetic in 401 circumferential end surfaces of period gear on the period gear 401 Iron or protrusion are when perhaps the sensor 402 of hole 403 detects magnet or protrusion or hole 403, the electric control panel The 10 controls motor and 9 stopping of reduction gearbox movement, and pneumatic element reset is controlled, that completes a band ties up the period； Generally, even if the period gear 401 rotation one band of completion in one week ties up the period；Particularly, can be become by program More, the sensor 402 is allowed to detect that tying up for a band twice or is repeatedly just completed in magnet or protrusion or hole 403 Period.

Embodiment 7:

(about knife drive mechanism)

As shown in Fig. 3, Figure 14, Figure 15, Figure 16: the period gear 401 of the period control mechanism 4 directly with the tension The transmission gear 613 of mechanism engages, and drives the transmission gear 613 to turn over when the period gear 401 rotates fixed angle When fixed circle number, that is, active center take-up pulley 611 turns over fixed perimeter, coaxially connected firmly with the period gear 401 Cam 81 drives cutter 7 to cut off band, realizes " measured length " cutting.

As shown in Fig. 6, Fig. 7, Figure 19, Figure 20: cam 81 with the period gear 401 is coaxial connects firmly installation, in the biography Before sensor 402 detects magnet or protrusion or hole 403, i.e. band is tied up before the period completes, the cam 81 far point acts on the protrusion on lever 811, rotates the lever 811 around the lever central pin 812, the lever 811 rotate driving cutter 7 cuts off band；Such as Fig. 6, Fig. 7, Figure 19, Tu20Zhong, cam 81 is to rotate counterclockwise, because described The reason of rotation direction and part placement of cam 81, the increase lever 811 between the cam 81 and cutter 7 is as transition member Part, if cam 81 is changed to rotate clockwise, so that it may the cam 81 be allowed to directly drive cutter 7, therefore the cam 81 It is exactly the knife drive mechanism 8.

It is as shown in figure 17: in tying up before the period completes for band, from the period gear 401 or with the week Signal is obtained on the cam that phase gear 401 coaxially connects firmly, is sent to the electric control panel 10, the electric control panel 10 controls Cylinder 821 drives cutter driving pin 822 that the cutter 7 is made to cut off band；As the alternative solution of cylinder 821, or using increasing The motor-driven gear added drives rack drives cutter 7, or drives crank link mechanism to drive cutter 7 using increased motor Cut off band.

As shown in Figure 32, Figure 34, Figure 56, Figure 57: installing " three ends additional in period gear 401 and the transmission gear 613 Input/output mechanism " 80, one three end input/output mechanism 80 include: adjusting screw rod 801, vernier 802, adjustment spring 803, planetary gear 804, planetary gear pedestal 805, sun gear 806, internal-external gear 807, the period gear 401 with it is described too Positive gear 806 engages, and the outer gear ring of the internal-external gear 807 is engaged with the transmission gear 613 of the tensioning mechanism 6, rotates institute It states adjusting screw rod 801 and controls to adjust spring 803 to the pre-pressing force of the planetary gear pedestal 805, prick when 6 Duis of the tensioning mechanism Torque caused by the tightening force of band is equal to or more than the adjustment spring 803 to the pre-pressing of the planetary gear pedestal 805 When the torque of power, the planetary gear pedestal 805 is rotated, and the finger 808 being fixed on the star-wheel pedestal 805 drives the cutter 7 cutting bands, realize " determining torque " cutting.

Embodiment 8:

(a kind of application of the work head about automatic tie tool)

As shown in Fig. 1 to Fig. 7, Figure 10, Figure 12 to Figure 20: a kind of shell of the work head 01 of automatic tie tool Be also equipped with data line 11 and feed pipe 12 on 1, the data line 11 and feed pipe 12 and band feed device in bulk or The connection combination of Contiuum type band feed device can be used as hand-held tool use.

As shown in Figure 21 to Figure 37: a kind of work head 01 of automatic tie tool is fixed on the bracket 02 On, change the guide grab mechanism 5 mounting means or/and the guide grab mechanism 5 is torn open according to described in embodiment 3 Point, the data line 11 and feed pipe 12 connect to combine with band feed device in bulk or Contiuum type band feed device to be made With realization band passes through 1 hole for being tied workpiece or 2 holes or realizes that band passes through the small space for being tied workpiece Automatically operation is tied up.

As shown in Figure 38 to Figure 43: a kind of work head 01 of automatic tie tool is mounted on bracket 02, described Data line 11 and feed pipe 12 and band feed device in bulk (patent No.: ZL2017207985874) or Contiuum type band Feed device (patent No.: ZL201720798762X) connection combination, uses as fixed tie tool.

Embodiment 9:

(a kind of application of the work head about automatic tie tool)

As shown in Figure 44 to Figure 53: a kind of installation of work head 01 of automatic tie tool is used as desktop on the table Formula automatic strapping machine uses, as shown in Figure 46 to Figure 49: as ratchet feed device 30 by the head of band 06 by side shown in Figure 46 To pushing away from left to right, the head of band 06 arranged in parallel in the band guide rail 3 runs U-shaped to the guide grab mechanism 5 In slot, the ratchet feed device 30 include: ratchet 301, clutch shaft 302, spring 303, friction plate 304, adjusting nut 305, Motor and reduction gearbox 309, the ratchet 301, clutch shaft 302, spring 303, friction plate 304, adjusting nut 305, motor and subtract Fast case 309 is co-axially mounted, the clutch shaft 302, spring 303, friction plate 304, adjusting nut 305 and motor and reduction gearbox 309 Output shaft synchronous rotation, for 301 empty set of ratchet on the clutch shaft 302, the frictional force of the friction plate 304 drives institute The rotation of ratchet 301 is stated, the head of the ratchet driving band 06 of the ratchet 301 is pushed away from left to right by direction shown in Figure 46.

Embodiment 10:

(use the roller of friction feeding as band guide rail a kind of work head of automatic tie tool application)

As shown in figure 50: the band guide rail 3 includes guide rail body 31, and guide rail cover board 32, the guide rail body 31 is one A roller for having multiple circumferentially equally distributed U-type grooves, the cross sectional shape of the U-type groove of the guide rail body 31 be it is rectangular or Trapezoidal, the mating surface of guide rail cover board 32 and the guide rail body 31 is arc, is tied up in the period in a band, the guide rail sheet Body 31 is angle between one slot of roller rotated stepwise, and this structure is that feed device is integrated into a kind of automatic tie work Design in the work head 01 of tool.

" rectangular ", " trapezoidal " of U-type groove described in above embodiment, it is described it is " rectangular " be square or it is rectangular Shape, the slight change of shape is functionally without essential distinction；The cylinder being previously mentioned in embodiment can be used motor-driven Cam or link mechanism or gear and rack teeth mechanism replace；Conversely, the cam or link mechanism that are previously mentioned in embodiment Cylinder replacement can be used, only topology layout is different, does not change major function of the invention.

According to the disclosure and teachings of the above specification, the technical staff in field of the present invention can also be to above-mentioned embodiment party Formula carries out change and modification appropriate, and therefore, the invention is not limited to the specific embodiments disclosed and described above, to this Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.In addition, although this specification In use some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.

Claims (17)

1. a kind of work head of automatic tie tool, it is characterised in that: include: shell, rack, band guide rail, period control machine Structure, guide grab mechanism, tensioning mechanism, cutter, knife drive mechanism；The rack is installed in the housing, in the rack There is pit to position for band head, there is U-type groove to be oriented in the rack for band, the band guide rail is pacified close to the rack It fills, having in the band guide rail with the matched cross sectional shape of band head shape is rectangular or trapezoidal guide channel, described The rectangular guide channel of band guide rail is connected to one end of U-type groove in the rack, and there is U-type groove in the guide grab mechanism, described The symmetrical centre face of U-type groove is respectively positioned on a kind of work of automatic tie tool in the U-type groove of guide grab mechanism and the rack Make in the median plane of head, the tensioning mechanism is mounted on the rack, and the cutter is mounted on the rack and is located at tie head Between portion and the take-up pulley, the knife drive mechanism is connected with the cutter and cutter is driven to cut off band, the week Phase control mechanism directly or indirectly drives the tensioning mechanism.

2. a kind of work head of automatic tie tool according to claim 1, it is characterised in that: the rack either one A one-piece parts；Or the rack splits into frame body and rack cover, the cutter, tensioning mechanism are mounted on rack sheet Between body and rack cover；Either the rack also splits out mounting plate and is consolidated by screw and frame body or rack cover Fixed connection, the mounting plate are used for installation period control mechanism, knife drive mechanism.

3. a kind of work head of automatic tie tool according to claim 1 or 2, it is characterised in that: the rack or The group of frame body split by rack and rack cover, which is closed, U-type groove and pit, and the pit is rectangle or just Rectangular sinking, there is rectangular aperture in the middle part of the pit, and one of them of the pit and the guide grab mechanism are led It works to the end face of pawl one and limits 6 freedom degrees on band head.

4. a kind of work head of automatic tie tool according to claim 1 or 2, it is characterised in that: the rack or In the installation place design window part of the tensioning mechanism on part split by rack, dismantling the window part can be seen simultaneously The part of the tensioning mechanism is cleaned, one end of the tensioning mechanism is mounted on the window part.

5. a kind of work head of automatic tie tool according to claim 1, it is characterised in that: the band guide rail includes Guide rail body and guide rail cover board, the guide rail body have U-type groove, and the guide rail cover board and the guide rail body have been combined into 4 The guide channel of a guide surface, the guide channel of the band guide rail are parallel to a kind of work head of automatic tie tool Median plane or the work head perpendicular to a kind of automatic tie tool median plane.

6. a kind of work head of automatic tie tool according to claim 1, it is characterised in that: guide grab mechanism packet At least two guide grab is included, has U-shaped guide groove at least one or each guide grab at least two guide grab.

7. a kind of work head of automatic tie tool according to claim 6, it is characterised in that: when the guide grab mechanism When being closed with the rack, the U-type groove of at least two guide grab of the guide grab mechanism or at least two guide grab The U-type groove of the U-type groove and the rack that are formed after combination, which joins end to end, connects the U-type groove guide collar to form closure；Or when described When guide grab mechanism and the rack are closed, the U-type groove of at least two guide grab of the guide grab mechanism or it is described at least The U-type groove of the U-type groove and the rack that are formed after 2 guide grab combinations is connected to join end to end with the surface for being tied part again Connect the guide collar to form closure；It is calculated by the bottom of U-type groove, the length of the guide collar is more than or equal to stranded bundle band Length.

8. a kind of work head of automatic tie tool according to claim 1, it is characterised in that: the guide grab mechanism Any guide grab at least two guide grab is either mounted on the rack or is mounted on the branch with pipette tips fixed connection On frame.

9. a kind of work head of automatic tie tool according to claim 6 or 7, it is characterised in that: the guide grab machine In at least two guide grab of structure, wherein at least one guide grab has following two functions concurrently: first function is the fortune for band Action-oriented, second function are to shorten effective perimeter of the guide collar around the rotation of fixing axle；The guide grab mechanism In at least two guide grab, wherein at least separately have a guide grab to have other two function concurrently: first function is the fortune for band Action-oriented, second function are that its end directly works with the pit one in the rack and limits 6 freedom on band head Degree either its end (passes through the stranded surface for pricking part) indirectly, and working with the pit one in the rack limits band 6 freedom degrees on head.

10. a kind of work head of automatic tie tool according to claim 6 or 7, it is characterised in that: the guide grab machine The movement of at least two guide grab of structure or any guide grab split into multiple guide grabs: or be driven by the cylinder or Person is driven by a motor cam or motor drives connecting rod driving or driven by manually operated trigger.

11. a kind of work head of automatic tie tool according to claim 6, it is characterised in that: when described a kind of automatic When the work head of tie tool is tied up for realizing Table top type, the two sides of the U-type groove of the guide grab first contacted with band are made into Inclined-plane.

12. a kind of work head of automatic tie tool according to claim 1, it is characterised in that: the tensioning mechanism packet It includes: active center take-up pulley, auxiliary take-up pulley, transmission gear；The quantity of the active center take-up pulley at least 1, and At least one transmission gear and the active center take-up pulley, which coaxially connect firmly, provides power for tensioning mechanism tension band, institute The quantity for stating auxiliary take-up pulley is 1 or 2 or 2 or more, described 1 or 2 or 2 or more auxiliary Circumference of the take-up pulley along the active center take-up pulley.

13. a kind of work head of automatic tie tool according to claim 12, it is characterised in that: described 1 or 2 It is a or 2 or more auxiliary take-up pulley and at least one active center take-up pulley by bearing it is rack-mount, I.e. described 1 or 2 or 2 or more auxiliary take-up pulley and at least one active center take-up pulley have fixed Center away from；Or at least one active center take-up pulley by bearing it is rack-mount, described 1 or 2 or Person 2 or more auxiliary take-up pulleies are the swings around the axis being fixed on the rack and are pulled to or pressed to by spring force At least one active center take-up pulley, i.e., described 1 or 2 or 2 or more auxiliary take-up pulley and it is described at least 1 active center take-up pulley have the center of floating away from.

14. a kind of work head of automatic tie tool according to claim 1, it is characterised in that: the period controls machine Structure includes: period gear, sensor, and sensor is arranged in period gear axial face and there are gap, institutes with the period gear State on period gear face at least 1 or multiple magnet or protrusion or aperture.

15. a kind of work head of automatic tie tool according to claim 1, it is characterised in that: the period controls machine The period direct geared of structure is engaged with the transmission gear of the tensioning mechanism, the actuated by cams coaxially connected firmly with the period gear Cutter cuts off band, realizes " measured length " cutting；Or before a band ties up period completion, when the period gear turns It moves when some fixes position and obtains mechanical perhaps electric signal cylinder or increased motor-driven crank connecting link or tooth Rack gear is taken turns as knife drive mechanism driving cutter and cuts off band；Or it is installed additional in period direct geared and the transmission gear " a three end input/output mechanisms ", one three end input/output mechanism include: adjusting screw rod, vernier, adjustment spring, Planetary gear pedestal, internal-external gear, sun gear, the period gear are engaged with the sun gear, outside the internal-external gear Gear ring is engaged with the transmission gear of the tensioning mechanism, and the torque caused by tightening force of the tensioning mechanism to band is equal to Or when greater than the adjustment spring to the torque of the pre-pressing force of the planetary gear pedestal, the planetary gear base rotation is simultaneously driven The cutter cutting band is moved, realizes " determining torque " cutting.

16. according to claim 1 or a kind of work head of automatic tie tool described in 15, it is characterised in that: described cuts Knife driving mechanism is: the cam that coaxially connects firmly with the period gear or be cylinder either motor-driven crank connecting link Or rack-and-pinion or be " a three end input/output mechanisms ".

17. a kind of work head of automatic tie tool according to claim 1, it is characterised in that: or described one kind The work head of automatic tie tool is combined with band feed device in bulk to be used as hand-held automatic tie tool；Or it is described The work head of automatic tie tool a kind of combine with disjunctor band feed device and use as hand-held automatic tie tool；Or A kind of work head of automatic tie tool described in person is rack-mount to be combined with band feed device in bulk as fixed Belt banding machine uses；Or a kind of work head of automatic tie tool is rack-mount with disjunctor band feed device group Cooperation is that fixed belt banding machine uses；Or a kind of work head of automatic tie tool is rack-mount with bundle in bulk 1 hole of workpiece " band pass through " either " 2 holes that band passes through workpiece " or " band passes through are realized with feed device combination The small space of workpiece " is tied up；Or a kind of work head of automatic tie tool rack-mount is pricked with disjunctor 1 hole of workpiece " band pass through " either " 2 holes that band passes through workpiece " or " band passes through are realized with feed device combination The small space of workpiece " is tied up；Or a kind of work head installation of automatic tie tool is sent with ratchet on the table Material device combination is used as Table top type automatic strapping machine；Or with the circumferentially equally distributed step-by-step movement roller for having multiple slots With cover plate combination as band guide rail, automatic feeding is incorporated into a kind of work head of automatic tie tool.