CN205775196U - A kind of label packaging sewing machine drive structure - Google Patents

Abstract

The utility model discloses a kind of label packaging sewing machine drive structure, including needle bar mechanism, Yi Zhen mechanism, string-hooking mechanism, push away line mechanism；Described needle bar mechanism includes the shank main shaft being connected with driven by servomotor and the shank being arranged on shank front-end of spindle, is connected by slider-crank mechanism between described shank main shaft and shank；Described Yi Zhen mechanism includes the shifting pin driven turbine wheel that the shank drivewheel transmitting contiguous block and shank main shaft synchronous axial system that the driven contiguous block moving pin driven shaft, being fixed on shifting pin driven shaft is connected is rotationally connected with shifting pin driven shaft with shank main axis；Transmission contiguous block drive groove it is provided with in described shifting pin driven turbine wheel end face.By using drive mechanism described herein, Yi Zhen mechanism can be driven by shank main shaft, substantially increase the cooperation between needle bar mechanism and Yi Zhen mechanism and coordinate, reduce structure space, it is beneficial to the control of whole equipment by driven by servomotor, improves machining accuracy.

Description

A kind of label packaging sewing machine drive structure

Technical field

This utility model relates to a kind of label packaging sewing machine drive structure.

Background technology

It is known that the products such as existing clothing clothing are when dispatching from the factory, scatter to identify and place medicated clothing, usually can use The label suture that the fine sheets such as paper are made carries out label sewing, then dispatches from the factory.For sewing label with such suture, in order to Enable socks to take apart simply when actually used, by 1 sewer, i.e. carry out so-called single line chain type (or strand) seam System.Prior art can complete the sewing of single line chain type by button-sewing machine, but the drive mechanism of button-sewing machine is complex, shared Space relatively big, the cooperation degree between shank, line hook and the drive mechanism pushing away line fork is relatively low, is unfavorable for by single dynamic Force system drives and runs.It is reasonable that prior art is badly in need of a kind of drive mechanism, compact conformation, and collaborative degree is high, stable mark Sign packaging sewing machine drive structure.

Utility model content

The purpose of this utility model is to overcome defect present in prior art, it is provided that a kind of drive mechanism is reasonable, knot Structure is compact, and collaborative degree is high, stable label packaging sewing machine drive structure.

For achieving the above object, the technical solution of the utility model there is provided a kind of label packaging sewing machine transmission knot Structure, including needle bar mechanism, Yi Zhen mechanism, string-hooking mechanism, pushes away line mechanism；Described needle bar mechanism includes being connected with driven by servomotor Shank main shaft and be arranged on the shank of shank front-end of spindle, between described shank main shaft and shank by slider-crank mechanism even Connect；

Described Yi Zhen mechanism includes moving pin driven shaft, being fixed on the driven contiguous block and shank main shaft moved on pin driven shaft The shifting that the transmission contiguous block being rotationally connected and the shank drivewheel of shank main shaft synchronous axial system are rotationally connected with shifting pin driven shaft Pin driven turbine wheel；Described shank drivewheel engages with moving the driving of pin driven turbine wheel, is provided with biography in described shifting pin driven turbine wheel end face Passing contiguous block drive groove, described transmission contiguous block is coordinated with transmission contiguous block drive groove driving by transmission linking arm, institute Stating transmission contiguous block drive groove drives transmission contiguous block around shank main shaft reciprocating rotation；It is additionally provided with on described transmission contiguous block Swinging block, described swinging block is stirred with driven contiguous block and is connected and drives shifting pin driven shaft reciprocating rotation；

Described shifting pin driven shaft leading section is provided with swing arm, and described swing arm one end is fixed with moving pin driven shaft, the other end Stirring with needle bar bracket and be connected, described needle bar bracket horizontal reciprocating under the stirring of swing arm moves.

By using drive mechanism described herein, Yi Zhen mechanism can be driven by shank main shaft, be greatly improved Cooperation between needle bar mechanism and Yi Zhen mechanism coordinates, and reduces structure space, is beneficial to whole setting by driven by servomotor Standby control, improves machining accuracy.

As preferably, described transmission contiguous block drive groove includes inner circle segmental arc and the external arc being separately positioned on two ends Section, by driving changeover portion to be connected between described inner circle segmental arc and cylindrical segmental arc, described inner circle segmental arc and cylindrical segmental arc and shifting pin Driven turbine wheel is coaxially disposed；Described transmission linking arm is provided with and coordinates continuously with inner circle segmental arc, cylindrical segmental arc and driving changeover portion The linking arm roller head rolled, described linking arm roller head, with when driving changeover portion to coordinate rolling, drives changeover portion to force transmission Linking arm swings, and described swinging block is provided with swinging block shift fork, and described driven contiguous block is provided with and coordinates with swinging block shift fork Driven contiguous block reversed column, driven contiguous block reversed column stirred by described swinging block shift fork when swinging and shifting pin driven shaft synchronous reciprocating turns Dynamic.Such design makes the reciprocating rotation being converted into continuously shifting pin driven shaft of shank main shaft, and then realizes shank and prop up The horizontal reciprocating of frame moves, and shank main shaft and shifting pin driven shaft be arranged in parallel.

As preferably, described shank is arranged on needle bar bracket, and described needle bar bracket is provided with to guide with shank and rolls The slide opening coordinated, described slider-crank mechanism includes the shank that the needle bar crank being fixed on shank front-end of spindle and shank are fixed The shank connecting rod that fixture block, two ends are hinged with needle bar crank and shank fixture block respectively；Described shank is in the driving of slider-crank mechanism Back and forth run up and down with under slide opening guide effect.Such design is a kind of practising way of slider-crank mechanism.

As preferably, described needle bar bracket includes that front guiding trestle and the rear driven in translation fixing with front guiding trestle are propped up Frame, described leading is provided with sky window to mid-stent, and described slide opening is separately positioned on the two ends up and down of sky window；Described rear driven in translation The reversed column coordinated with swing arm it is provided with in support；The end that described swing arm coordinates with reversed column is provided with a shifting block, described shifting block It is provided with the allocating slot coordinated with reversed column；Described rear driven in translation frame bottom is provided with the horizontally-guided plate coordinating guiding with it.This The horizontal reciprocating that the design of sample makes the swing of swing arm be converted into needle bar bracket moves.

As preferably, described string-hooking mechanism includes the hook line main shaft being connected with driven by servomotor and is fixed on hook line master The line hook of axle front end；Described hook line rear-end of spindle passes sequentially through spring coupling, speed governing axle and crank speed adjusting gear and servo electricity Machine drive connection；Described crank speed adjusting gear includes speed crank, speed governing rotating disk and the speed governing connecting rod hinged with both.Such Design makes line hook achieve rotation, and crank speed adjusting gear achieves line hook velocity of rotation at the tune of different turned positions speed Joint, beneficially forms acceleration tendency during line hook hook wire loop.

As preferably, described string-hooking mechanism also includes the line hook translation drive shaft of reciprocating rotation, line hook translation drive shaft Arrange with hooking line main axis parallel；Being fixed with translation shifting block in described line hook translation drive shaft, described hook line main axis is provided with flat Moving contiguous block, described translation shifting block is hinged with translation contiguous block；On hook line main shaft between described translation contiguous block and line hook also It is provided with horizontal rolling guide pad, during described line hook translation drive shaft reciprocating rotation, drives translation shifting block to swing, and then by translation Contiguous block drives hook line front-end of spindle the most traverse motion under the guide effect of horizontal rolling guide pad；Described Line hook driven in translation shaft rear end is by first connecting rod mechanism and shifting pin driven shaft drive connection.Such structure achieves line hook Horizontal hunting also moves formation and coordinates and be connected, owing to hook line rear-end of spindle is provided with spring coupling, so line hook with horizontal reciprocating The front end of main shaft does not interferes with the transmission of moment of torsion when swinging.

As preferably, described first connecting rod mechanism includes first swinging block fixing with moving pin driven shaft rear end and the Steering block in the first L-shaped that one swinging block outer end is hinged, it is arranged under the first L-shaped of steering block bottom in the first L-shaped and turns to Block, the perpendicular linking arm that steering block under steering block in the first L-shaped and the first L-shaped is connected, one end and line hook driven in translation shaft rear end What the fixing and other end was hinged with steering block under the first L-shaped first swings delivery arm；In described first L-shaped the vertical arm of steering block and Connecting between the vertical arm of steering block under first L-shaped and have perpendicular linking arm, in described first L-shaped, the transverse arm of steering block stretches out laterally, Under described first L-shaped, the transverse arm of steering block is detained back to inner side and end is hinged with the first swing delivery arm；Described perpendicular linking arm one Side is provided with and erects the perpendicular linking arm guide pad coordinated when linking arm runs up and down；Before and after described line hook translation drive shaft, two ends are divided It is not provided with for by line hook translation drive shaft axle sleeve spacing for line hook driven in translation Axial and radial, described line hook translation drive shaft axle sleeve It is rotatably assorted with line hook translation drive shaft.Such design makes the reciprocating rotary power of line hook translation drive shaft come from shifting pin Driven shaft, improve line hook translation drive shaft with move pin driven shaft be connected degree of cooperation, reduce structure space, and more sharp In the horizontal hunting of line hook and move with horizontal reciprocating formation coordinate be connected.

As preferably, described shank main shaft and servo motor output shaft drive connection, on described servo motor output shaft Being additionally provided with driving pulley, the bottom of described driving pulley is provided with driven pulley, arranges between described driving pulley and driving pulley Having Timing Belt, the outer zone face of described Timing Belt also coordinates drive connection to have reversion belt wheel；Described speed crank and reversion belt wheel front end Drive connection, described speed governing rotating disk is connected with speed governing axle；In described Timing Belt, zone face is additionally provided with tensioning regulation belt wheel.Such set Meter is beneficial to, by servomotor, each mechanism is realized unified driving and control.

As preferably, described in push away line mechanism and include pushing away line fork, driving the line fork that pushes away pushing away line fork reciprocating rotation to drive of front end Moving axis and reversion belt wheel rear end drive connection push away line drive mechanism；The described line fork drive shaft rear and front end that pushes away is respectively equipped with use In the line that pushes away pushing away line fork drive shaft the most spacing is pitched driving shaft pilot sleeve, push away line fork driving shaft pilot sleeve and push away line fork drive shaft turns Connect.Such structure is beneficial to realize to push away coordinating of line fork and line hook and shank.

As preferably, described in push away line drive mechanism include with reversion belt wheel rear end drive connection push away line drive turbine, Push away described in being opened in line drive on turbine rear end face push away line drive wheel groove with push away line drive wheel groove and coordinate push away string pendulum arm and Push away fixing the pushing away the reciprocal rotating shaft of line, be arranged on to push away and push away the reciprocal rotating shaft of line for the most spacing in the reciprocal rotating shaft of line in string pendulum arm outer end Axle sleeve, be arranged on push away line reciprocal rotating shaft front end push away line transmission linking arm, one end and push away line fork drive shaft rear end fixing push away line Rocking arm；Described drive wheel groove is annular race, and described annular race includes nearly heart section and telecentricity section, described nearly heart section and telecentricity section Between for transition round and smooth driving section；The described string pendulum arm one end that pushes away is provided with the swing arm roller head with annulus wheel slot fit, the other end with Push away line reciprocating rotary shaft rear end portion to fix, and the line reciprocal rotating shaft front and back position that pushes away of fixed position is respectively provided with pushing away line reciprocal What rotating shaft was the most spacing pushes away line reciprocal rotating shaft axle sleeve；The described line transmission linking arm one end that pushes away is fixed with pushing away line reciprocal rotating shaft front end, The other end is with to push away line rocking arm hinged；Push away line one end with push away line transmission linking arm hinged, the other end with push away line fork drive shaft after End is fixing.Such structure by push away line drive mechanism complete servomotor to push away line fork driving, and by reversion belt wheel with Time drive and push away line fork and line hook can well realize linking between the two and coordinate.

As preferably, described label packaging sewing machine drive structure also includes that wire delivery mechanism, described wire delivery mechanism include The line roller seat, taking-up frame, wire column, unwrapping wire tension disk, the tension force tension disk that set gradually along sewing thread transport path, deposit line machine Structure, wire head, fixing guide roller, mobile guide roller and the eedle hole being arranged on eedle；

Described unwrapping wire tension disk includes a pair unwrapping wire thread tension disc, unwrapping wire thread tension disc is executed stressed unwrapping wire spring, connection The unwrapping wire drive rod that the unwrapping wire post of unwrapping wire thread tension disc and unwrapping wire spring, driving unwrapping wire intermediate plate moment unclamp, described unwrapping wire drive rod Bottom shank main shaft synchronous cam coordinate contact, the upper end of described unwrapping wire drive rod is joined with superposed unwrapping wire clamp monolithic Close and drive；

Described deposit line mechanism include one by air cylinder driven deposited string pendulum hook and with deposit that string pendulum hook coordinates deposit terminal；Described Deposit string pendulum hook and include two cabling hook and slot, described in deposit terminal and be provided with one and deposit string holes, sewing thread is after tension force tension disk exports Successively with a cabling hook and slot, deposit string holes and another one cabling hook and slot coordinates and then joins with fixing guide roller through wire head wire Close；

Described fixing guide roller is arranged on shell body, and described mobile guide roller is fixed on shank.Such cabling machine Structure is beneficial to realize stable sewing thread conveying, especially realizes the control solving shank operating sewing thread rate of tension of efficient stable System.

Advantage of the present utility model and having the beneficial effects that: by using drive mechanism described herein, pin can be moved Mechanism is driven by shank main shaft, substantially increases the cooperation between needle bar mechanism and Yi Zhen mechanism and coordinates, reduces structure Space, is beneficial to the control of whole equipment by driven by servomotor, improves machining accuracy.

Accompanying drawing explanation

Fig. 1 is this utility model structural representation (front visual angle)；

Fig. 2 is enlarged diagram at A in Fig. 1；

Fig. 3 is this utility model structural representation (back angle)；

Fig. 4 is this utility model needle bar mechanism and moves pin mechanism structure schematic diagram (back angle)；

Fig. 5 is this utility model needle bar mechanism and moves pin mechanism structure schematic diagram (front visual angle)；

Fig. 6 is that this utility model moves pin mechanism section modular construction schematic diagram；

Fig. 7 is that this utility model moves pin mechanism section parts decomposition texture schematic diagram；

Fig. 8 is this utility model string-hooking mechanism structural representation (front visual angle)；

Fig. 9 is this utility model string-hooking mechanism structural representation (another front visual angle)；

Figure 10 is that this utility model pushes away line mechanism structural representation (front visual angle)；

Figure 11 is that this utility model pushes away line mechanism structural representation (visual angle, portion)；

Figure 12 is that this utility model pushes away line driving turbine and pushes away string pendulum arm fit structure schematic diagram；

Figure 13 is single thread chain stitch forming process；

Figure 14 is this utility model wire delivery mechanism structural representation (front visual angle)；

Figure 15 is enlarged diagram at B in Figure 14；

Figure 16 is enlarged diagram at C in Figure 14；

Figure 17 is shank main shaft synchronous cam and unwrapping wire drive rod fit structure schematic diagram.

In figure: 1, servomotor；2, shank main shaft；3, shank；4, pin driven shaft is moved；5, driven contiguous block；6, transmission is even Connect block；7, shank drivewheel；8, pin driven turbine wheel is moved；9, transmission linking arm；10, swinging block；11, swing arm；12, Inner arc Section；13, cylindrical segmental arc；14, changeover portion is driven；15, linking arm roller head；16, slide opening；17, needle bar crank；18, shank fixture block； 19, shank connecting rod；20, front guiding trestle；21, rear driven in translation support；22, empty window；23, reversed column；24, shifting block；25, allocating slot； 26, line main shaft is hooked；27, line hook；28, spring coupling；29, speed governing axle；30, speed crank；31, speed governing rotating disk；32, speed governing is even Bar；33, line hook translation drive shaft；34, translation shifting block；35, translation contiguous block；36, horizontal rolling guide pad；37, first swing Block；38, steering block in the first L-shaped；39, steering block under the first L-shaped；40, perpendicular linking arm；41, first delivery arm is swung；42, perpendicular Linking arm guide pad；43, line hook translation drive shaft axle sleeve；44, driving pulley；45, driven pulley；46, Timing Belt；47, reversion Belt wheel；48, tensioning regulation belt wheel；49, line fork is pushed away；50, line fork drive shaft is pushed away；51, line fork driving shaft pilot sleeve is pushed away；52, push away line to drive Dynamic turbine；53, string pendulum arm is pushed away；54, the reciprocal rotating shaft of line is pushed away；55, line reciprocal rotating shaft axle sleeve is pushed away；56, line transmission linking arm is pushed away；57、 Push away line rocking arm；58, nearly heart section；59, telecentricity section；60, transition round and smooth driving section；61, swing arm roller head；62, swinging block shift fork； 63, driven contiguous block reversed column；64, line roller seat；65, taking-up frame；66, wire column；67, unwrapping wire tension disk 67；68, tension force clamp Device；69, unwrapping wire thread tension disc；70, unwrapping wire spring；71, unwrapping wire post；72, unwrapping wire drive rod；73, shank main shaft synchronous cam；74、 Deposit string pendulum hook；75, terminal is deposited；76, line trenches is walked；77, string holes is deposited；79, wire head；80, fixing guide roller；81, wire is moved Wheel；82, eedle hole；83, cylinder.

Detailed description of the invention

Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is further described.Hereinafter implement Example is only used for clearly illustrating the technical solution of the utility model, and can not limit protection model of the present utility model with this Enclose.

As shown in Fig. 1-Figure 17, a kind of label packaging sewing machine drive structure, including needle bar mechanism, Yi Zhen mechanism, hook line Mechanism, push away line mechanism；Described needle bar mechanism includes the shank main shaft 2 with servomotor 1 drive connection and is arranged on shank main shaft 2 The shank 3 of front end, described shank main shaft 2 is connected by slider-crank mechanism between shank 3；

Described Yi Zhen mechanism includes moving pin driven shaft 4, being fixed on the driven contiguous block 5 and shank master moved on pin driven shaft 4 The transmission contiguous block 6 that axle 2 is rotationally connected connects with the shank drivewheel 7 of shank main shaft 2 synchronous axial system and shifting pin driven shaft 4 rotation The shifting pin driven turbine wheel 8 connect；Described shank drivewheel 7 engages with moving pin driven turbine wheel 8 driving, described shifting pin driven turbine wheel 8 end Being provided with transmission contiguous block 6 drive groove in face, described transmission contiguous block 6 drives recessed by transmission linking arm 9 with transmission contiguous block 6 Groove (cannelure) drives and coordinates, and described transmission contiguous block 6 drive groove drives transmission contiguous block 6 around shank main shaft 2 reciprocating rotary Dynamic；Being additionally provided with swinging block 10 on described transmission contiguous block 6, described swinging block 10 is stirred with driven contiguous block 5 and is connected and drives shifting Pin driven shaft 4 reciprocating rotation；

Described shifting pin driven shaft 4 leading section is provided with swing arm 11, and described swing arm 11 one end is fixed with moving pin driven shaft 4, The other end is stirred with shank 3 support and is connected, and described shank 3 support horizontal reciprocating under the stirring of swing arm 11 moves.

Described transmission contiguous block 6 drive groove includes inner circle segmental arc 12 and the cylindrical segmental arc 13 being separately positioned on two ends, institute State by driving changeover portion 14 to be connected between inner circle segmental arc 12 and cylindrical segmental arc 13, described inner circle segmental arc 12 and cylindrical segmental arc 13 with Move pin driven turbine wheel 8 to be coaxially disposed；Described transmission linking arm 9 is provided with and inner circle segmental arc 12, cylindrical segmental arc 13 and driving transition Section 14 coordinates the linking arm roller head 15 rolled continuously, when described linking arm roller head 15 coordinates rolling with driving changeover portion 14, Changeover portion 14 is driven to force transmission linking arm 9 to swing；Described swinging block 10 is provided with swinging block shift fork 62, described driven contiguous block 5 are provided with the driven contiguous block reversed column 63 coordinated with swinging block shift fork 62, and described swinging block shift fork 62 stirs driven company when swinging Connect block reversed column 63 and move the rotation of pin driven shaft 4 synchronous reciprocating.

Described shank 3 is arranged on shank 3 support, and described shank 3 support is provided with to guide with shank 3 and rolls the cunning coordinated Hole 16, described slider-crank mechanism includes needle bar crank 17 and the fixing needle rod holder of shank 3 being fixed on shank main shaft 2 front end The shank connecting rod 19 that block 18, two ends are hinged with needle bar crank 17 and shank fixture block 18 respectively；Described shank 3 is at slider-crank mechanism Driving and slide opening 16 guide effect under back and forth run up and down.

Described shank 3 support includes front guiding trestle 20 and the rear driven in translation support 21 fixed with front guiding trestle 20, Being provided with sky window 22 in the middle part of described front guiding trestle 20, described slide opening 16 is separately positioned on the two ends up and down of sky window 22；Put down after described It is provided with, in moving driving arm 21, the reversed column 23 coordinated with swing arm 11；The end that described swing arm 11 coordinates with reversed column 23 is provided with one Individual shifting block 24, described shifting block 24 is provided with the allocating slot 25 coordinated with reversed column 23；Be provided with bottom described rear driven in translation support 21 with It coordinates the horizontally-guided plate guided.

Described string-hooking mechanism includes the hook line main shaft 26 with servomotor 1 drive connection and is fixed on hook line main shaft 26 front end Line hook 27；Described hook line main shaft 26 rear end passes sequentially through spring coupling 28, speed governing axle 29 and crank speed adjusting gear and servo Motor 1 drive connection；Described crank speed adjusting gear includes speed crank 30, speed governing rotating disk 31 and the speed governing connecting rod hinged with both 32。

Described string-hooking mechanism also includes the line hook translation drive shaft 33 of reciprocating rotation, line hook translation drive shaft 33 and hook line master Axle 26 be arranged in parallel；Being fixed with translation shifting block 34 in described line hook translation drive shaft 33, the rotation of described hook line main shaft 26 is provided with flat Moving contiguous block 35, described translation shifting block 34 outer end is hinged with translation contiguous block 35；Between described translation contiguous block 35 and line hook 27 Hook line main shaft 26 on be additionally provided with horizontal rolling guide pad 36, during described line hook translation drive shaft 33 reciprocating rotation drive translation dial 34 swing, and then are driven the guide effect hooking line main shaft 26 front end at horizontal rolling guide pad 36 by translation contiguous block 35 Under (horizontal rolling guide pad 36 outside is provided with the guiding geosynclinal block coordinated with it) the most traverse motion；Described line hook Translation drive shaft 33 rear end is by first connecting rod mechanism and shifting pin driven shaft 4 drive connection.

Described first connecting rod mechanism includes first swinging block 37 and first swinging block fixing with moving pin driven shaft 4 rear end Steering block 38 in the first L-shaped that 37 outer ends are hinged, it is arranged in the first L-shaped steering block under the first L-shaped of steering block 38 bottom 39, perpendicular linking arm 40, one end and line hook driven in translation steering block 39 under steering block in the first L-shaped 38 and the first L-shaped connected Axle 33 rear end is fixed and the first swing delivery arm 41 that under the other end and the first L-shaped, steering block 39 is hinged；Turn in described first L-shaped Connect between the vertical arm of steering block 39 under the vertical arm and the first L-shaped of block 38 and have perpendicular linking arm 40, steering block in described first L-shaped The transverse arm of 38 stretches out laterally, and under described first L-shaped, the transverse arm of steering block 39 is detained back to inner side and end swings transmission with first Arm 41 is hinged；Described perpendicular linking arm 40 side is provided with and erects the perpendicular linking arm guide pad 42 coordinated when linking arm about 40 runs； It is respectively arranged at two ends with before and after described line hook translation drive shaft 33 for line hook the most spacing for line hook translation drive shaft 33 is put down Moving driving shaft pilot sleeve 43, described line hook translation drive shaft axle sleeve 43 is rotatably assorted with line hook translation drive shaft 33.

Described shank main shaft 2 and servomotor 1 output shaft drive connection, described servomotor 1 output shaft is additionally provided with master Movable belt pulley 44, the bottom of described driving pulley 44 is provided with driven pulley 45, sets between described driving pulley 44 and driving pulley 44 Being equipped with Timing Belt 46, the described outer zone face of Timing Belt 46 also coordinates drive connection to have reversion belt wheel 47；Described speed crank 30 is with anti- Turning belt wheel 47 front-end driven to connect, described speed governing rotating disk 31 is connected with speed governing axle 29；In described Timing Belt 46, zone face is additionally provided with and opens Tight regulation belt wheel 48.

Described push away line mechanism include front end push away line fork 49, drive push away line pitch 49 reciprocating rotations push away line fork drive shaft 50, With reversion belt wheel 47 rear end drive connection push away line drive mechanism；Described line fork drive shaft 50 rear and front end that pushes away is respectively provided with The line that pushes away pushing away line fork drive shaft 50 the most spacing is pitched driving shaft pilot sleeve 51, pushes away line fork driving shaft pilot sleeve 51 and push away line fork drive shaft 50 are rotationally connected.

The described line drive mechanism that pushes away includes that the line that pushes away with reversion belt wheel 47 rear end drive connection drives turbine 52, is opened in institute State push away line drive on turbine 52 rear end face push away line drive wheel groove with push away line drive wheel groove and coordinate push away string pendulum arm 53 and push away line The reciprocal rotating shaft of line 54 that what swing arm 53 outer end was fixing push away, it is arranged on to push away and pushes away line reciprocating rotary for the most spacing in the reciprocal rotating shaft of line 54 Axle axle sleeve 55, be arranged on push away line reciprocal rotating shaft 54 front end push away line transmission linking arm 56, one end and push away line fork drive shaft 50 rear end Fixing pushes away line Rocker arm 57；Described drive wheel groove is annular race, and described annular race includes nearly heart section 58 and telecentricity section 59, institute State between nearly heart section 58 and telecentricity section 59 as transition round and smooth driving section 60；Described push away string pendulum arm 53 one end be provided with annular race join The swing arm roller head 61 closed, the other end fixes with pushing away line reciprocal rotating shaft 54 rearward end, and fixed position push away the reciprocal rotating shaft of line 54 Front and back position is respectively provided with pushing away that line reciprocal rotating shaft 54 is radially the most spacing pushes away line reciprocal rotating shaft axle sleeve 55；The described line that pushes away transmits Linking arm 56 one end is fixed with pushing away line reciprocal rotating shaft 54 front end, and the other end is with to push away line Rocker arm 57 hinged；Push away line Rocker arm 57 one end with Pushing away line transmission linking arm 56 hinged, the other end is fixed with pushing away line fork drive shaft 50 rear end.

Described label packaging sewing machine drive structure also includes that wire delivery mechanism, described wire delivery mechanism include along sewing thread conveying Line roller seat 64, taking-up frame 65, wire column 66, unwrapping wire tension disk 67, tension force tension disk 68 that path sets gradually, deposit line mechanism, Wire head 79, fixing guide roller 80, mobile guide roller 81 and the eedle hole 82 being arranged on eedle；

Described unwrapping wire tension disk 67 includes a pair unwrapping wire thread tension disc 69, unwrapping wire thread tension disc 69 is executed stressed unwrapping wire spring 70, the unwrapping wire drive rod 72 that connection unwrapping wire thread tension disc 69 and the unwrapping wire post 71 of unwrapping wire spring 70, driving unwrapping wire intermediate plate moment unclamp, The bottom shank main shaft synchronous cam 73 of described unwrapping wire drive rod 72 coordinates contact, the upper end of described unwrapping wire drive rod 72 be positioned at The unwrapping wire clamp monolithic on top coordinates driving；

Described deposit line mechanism include one by cylinder 83 driving deposited string pendulum hook 74 and with deposit that string pendulum hook 74 coordinates deposit line Post 75；Described string pendulum hook 74 of depositing includes two cabling hook and slot 76, described in deposit terminal 75 and be provided with one and deposit string holes 77, sewing thread from After tension force tension disk 68 output successively with a cabling hook and slot 76, deposit string holes 77 and another one cabling hook and slot 76 coordinates then warp Wire head 79 wire coordinates with fixing guide roller 80；

Described fixing guide roller 80 is arranged on shell body, and described mobile guide roller 81 is fixed on shank.

Sewing thread trace used herein is single thread chain stitch, and this stitching only has a list

Line, its coil penetrates through fabric from eedle face, and in fabric another side is carried out

Even circle.Line hook 27, without wire loop, only plays knot chain effect.Stitching is worn formed by eedle and line hook 27.Institute After sewing up at label, after buttock line is cut off by secant mechanism, can be easily by the stitching on label by stretching the end of a thread Line is dismantled, it is not necessary to shears is cut off.

Three states (Figure 13) of line hook 27 hook line process.Eedle is flapped toward while through label and sewing to extreme lower position, Mobile formation wire loop ［ Figure 13 (a) ］ then up.Now, line hook 27 is in beginning acceleration tendency, and line hook 27 bill arrives at eedle Wire loop position, and carry out hook line.Line hook 27 carries out after hooking wire loop strangling line ［ seeing Figure 13 (b) ］, and eedle exits and moves on to another side bundle Enter label and sewing and prick into a upper pin by pushed away line fork 49 extension wire loops ［ seeing Figure 13 (c) ］；Line hook 27 is rotated further, simultaneously Shank 3 rises.When line hook 27 bill moves to close to eedle, become the most again next pinhock wire loop state.Circulation is gone down like this, Fixed according to label after the number of times set.

Use drive mechanism described herein time, needle bar mechanism, Yi Zhen mechanism, string-hooking mechanism, push away line mechanism and Presser and secant mechanism (presser and secant mechanism are common mechanism, and the application repeats no more) have cooperated 's.

After being placed on predetermined position with sutures, compressed on the table by presser, then shank 3 (drive eedle), line hook 27 and push away line fork 49 respectively by needle bar mechanism and Yi Zhen mechanism, string-hooking mechanism, push away line mechanism and drive Complete, make to complete to sew up according to above-mentioned line hook 27 hook line process between all parts by reasonably debugging.

Wherein, the combined running track operating to above-below direction and left and right transverse reciprocating of shank 3, upper and lower operation is logical Cross what slider-crank mechanism realized, including the needle bar crank 17 and the fixing needle rod holder of shank 3 that are fixed on shank main shaft 2 front end The shank connecting rod 19 that block 18, two ends are hinged with needle bar crank 17 and shank fixture block 18 respectively, sets in the middle part of described front guiding trestle 20 Free window 22, described slide opening 16 is to be separately positioned on the two ends up and down of sky window 22；Described shank 3 slider-crank mechanism driving and Slide opening 16 guide effect runs the most up and down；

Left and right transverse reciprocating runs through Yi Zhen mechanism and realizes, and shank main shaft 2 rotates and drives shank drivewheel 7 to rotate, The shifting pin driven turbine wheel 8 engaged with shank drivewheel 7 is driven and rotates around shifting pin driven shaft 4, moves in pin driven turbine wheel 8 end face It is provided with transmission contiguous block 6 drive groove, when linking arm roller head 15 is with when driving changeover portion 14 to coordinate rolling, drives changeover portion 14 Transmission linking arm 9 is forced to swing around shank main shaft 2, owing to transmission linking arm 9 and swinging block 10 and transmission contiguous block 6 are one Arrange, so swinging block 10 also can swing therewith；Described swinging block 10 is provided with swinging block shift fork 62, described driven contiguous block 5 are provided with the driven contiguous block reversed column 63 coordinated with swinging block shift fork 62, and described swinging block shift fork 62 stirs driven company when swinging Connect block reversed column 63 and shifting pin driven shaft 4 synchronous reciprocating rotates (when driven contiguous block reversed column 63 stirred by swinging block shift fork 62, driven Contiguous block reversed column 63 can move radially to alleviate along the rotation of swinging block shift fork 62 stirs the range difference between the two brought)； Owing to inner circle segmental arc 12, cylindrical segmental arc 13 and driving changeover portion 14 symmetrical configuration are arranged, so linking arm reciprocally swinging can be caused, Final driving moves pin driven shaft 4 reciprocating rotation；

Moving pin driven shaft 4 front end and be provided with swing arm 11, swing arm 11 one end is fixed with moving pin driven shaft 4, the other end and pin Connection stirred by bar 3 support, and the end that swing arm 11 coordinates with reversed column 23 is provided with a shifting block 24, and described shifting block 24 is provided with and dials The allocating slot 25 that post 23 coordinates；It is provided with, bottom described rear driven in translation support 21, the horizontally-guided plate coordinating guiding with it, so working as When swing arm 11 swings along with the rotation moving pin driven shaft 4, allocating slot 25 is stirred shifting block 24 and is moved, due to the limit of horizontally-guided plate Position shank 3 support can present the operation of left and right reciprocally swinging；Allocating slot 25 has certain degree of depth, and shifting block 24 is cylindrical, is dialling During groove 25 coordinates with shifting block 24 and stirs, shifting block 24 first has certain moving radially to allocating slot 25.

Wherein, the rotation that operates to of line hook 27 adds level and moves back and forth.The rotation of line hook 27 pass sequentially through speed crank 30, Speed governing connecting rod 32, speed governing rotating disk 31, speed governing axle 29, spring coupling 28, the power of hook line main shaft 26 transmit and rotate, and wherein adjust Speed crank 30, speed governing connecting rod 32 and speed governing rotating disk 31 constitute crank speed adjusting gear so that the rotation of line hook 27 be non-at the uniform velocity, profit Acceleration tendency is formed when line hook 27 hook wire loop；

The horizontal reciprocating of line hook 27 move then by move pin driven shaft 4, first connecting rod mechanism, line hook translation drive shaft 33, Translation shifting block 34, translation contiguous block 35 once transmit realization；Move pin driven shaft 4 to rotate, drive the first swinging block 37 to swing；The Inside one swinging block 37 outer end and steering block 38 transverse arm in the first L-shaped hinged, perpendicular linking arm 40 is perpendicular with steering block in the first L-shaped 38 Arm is fixed and is fixed with steering block 39 vertical arm under the first L-shaped, and under the first L-shaped, steering block 39 transverse arm and first swings delivery arm 41 1 Holding hinged, first swings delivery arm 41 other end fixes with line hook translation drive shaft 33 rear end, and line hook translation drive shaft 33 is by line Hook translation drive shaft axle sleeve 43 is fixed, when the first swinging block 37 outer end swings, and steering block 38, perpendicular linking arm 40 in the first L-shaped With steering block 39 under the first L-shaped, swing is transferred to the first swing delivery arm 41, and by the first swing delivery arm 41 band moving-wire Reciprocating rotation in the online hook translation drive shaft axle sleeve 43 of hook translation drive shaft 33, and then drive translation shifting block 34 to swing, translation is dialled 34 hinged with translation contiguous block 35, and hooks line main shaft 26 by horizontal rolling guide pad 36 to be vertically arranged direction spacing, so flat Move horizontal reciprocating under the position-limiting action driving peace rolling guide pad of shifting block 34 to move, move shape with the horizontal reciprocating of shank 3 Linking is become to coordinate.

Wherein, push away line fork 49 for reciprocating rotation, mainly by reversion belt wheel 47, push away line drive turbine 52, push away string pendulum arm 53, Push away the reciprocal rotating shaft of line 54, push away line transmission linking arm 56, push away line Rocker arm 57, push away line fork drive shaft 50, push away line fork and 49 drive reality successively Existing；Wherein push away line to drive turbine 52, push away string pendulum arm 53, push away the reciprocal rotating shaft of line 54, push away line transmission linking arm 56, push away line Rocker arm 57 and join Close formation and push away line drive mechanism, it is achieved push away the reciprocating rotation of the reciprocal rotating shaft of line 54.Reversion belt wheel 47 rotates, and drives and pushes away line driving whirlpool Wheel 52 rotation；Swing arm roller head 61, when driving section 60 round and smooth with transition coordinates, pushes away the reciprocal rotating shaft of line 54 and is pushed away the reciprocal rotating shaft of line Axle sleeve 55 is the most spacing, and transition round and smooth driving section 60 forces swing arm roller head 61 driving to push away the reciprocal rotating shaft of line 54 and rotates, and pushes away line past Multiple rotating shaft 54 driving pushes away line transmission linking arm 56 and swings；Push away line transmission linking arm 56 to connect with pushing away line Rocker arm 57 align reaming, push away line rocking arm 57 fix with pushing away line fork drive shaft 50, and push away line fork drive shaft 50 and be provided with fixing for its position is pushed away line fork driving shaft pilot sleeve 51, so the swing pushing away line transmission linking arm 56 is converted into the reciprocating rotation pushing away line fork drive shaft 50, and then driving pushes away line fork 49 Reciprocating rotation.

Wherein the conveying principle of sewing thread is as follows: before the procedure, and line roller is fixed on online roller seat 64, and line roller seat 64 can turn Dynamic by sewing thread output；Sewing thread, after line roller seat 64 exports, sequentially passes through taking-up frame 65, wire column 66, unwrapping wire tension disk The unwrapping wire thread tension disc 69 of 67, the thread tension disc of tension force tension disk 68, deposit a cabling hook and slot 76 of line mechanism, deposit string holes 77 and additionally One cabling hook and slot 76, wire head 79, fixing guide roller 80, mobile guide roller 81 and the eedle hole 82 being arranged on eedle；

Wherein deposit string pendulum hook 74 receive cylinder drive with deposit can be relative between terminal 75 movement, in the process of movement In when both relatively far away from time part sewing thread can be made to be stored between the two, part sewing thread can be discharged time the nearest, Owing to the driving force of cylinder is constant, fixing guide roller 80 and mobile guide roller 81 can be regulated by the way of depositing and preventing Between the sewing thread tension that brings of relative motion or the problem of pine excessively so that sewing thread is at fixing guide roller 80 and mobile leads Basicly stable tension force is kept between line wheel 81；

When mobile guide roller 81 runs downwards (being defined as relaxation time section), fixing guide roller 80 and mobile guide roller 81 Between sewing thread can fluff, now deposit string pendulum hook 74 can under the driving of cylinder 83 with deposit terminal 75 away from, store sewing thread, Ensure tension force；On the contrary when mobile guide roller 81 runs up (being defined as tightening up the time period), fixing guide roller 80 is led with mobile Sewing thread between line wheel 81 can become tight, now deposits string pendulum hook 74 and can overcome the driving force of cylinder 83 with to deposit terminal 75 close, releases Put sewing thread, it is ensured that tension force；

Owing to sewing thread is consuming when operation always, so needing periodically to be put being in by unwrapping wire tension disk 67 Sewing thread between unwrapping wire thread tension disc 69 and the eedle hole 82 of line tension disk 67 compensates, when shank main shaft synchronous cam 73 When raised position coordinates with unwrapping wire drive rod 72, the pressure overcoming unwrapping wire spring 70 be will be located in putting of top by unwrapping wire drive rod 72 Wire clamp line monolithic loosens, and is inputted by part sewing thread from line roller seat 64, when the raised position of shank main shaft synchronous cam 73 turns After crossing, unwrapping wire thread tension disc 69 pressure again coordinates, and is clamped by sewing thread；The raised position of shank main shaft synchronous cam 73 with put The time period that line drive rod 72 coordinates is preferably in tightens up the time period, and unwrapping wire time length depends on the length compensating sewing thread；

Tension force tension disk 68 is identical with the wire extender structure in sewing machine industry, repeats no more, and plays basic tension force Controlling, the tightness between its thread tension disc is less than the tightness between unwrapping wire thread tension disc 69.

The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art For art personnel, on the premise of without departing from this utility model know-why, it is also possible to make some improvements and modifications, these change Enter and retouch the protection domain that also should be regarded as utility model.

Claims (10)

1. a label packaging sewing machine drive structure, including needle bar mechanism, Yi Zhen mechanism, string-hooking mechanism, pushes away line mechanism；Described Needle bar mechanism includes the shank main shaft being connected with driven by servomotor and the shank being arranged on shank front-end of spindle, described shank master It is connected by slider-crank mechanism between axle with shank；

Described Yi Zhen mechanism includes moving pin driven shaft, being fixed on the driven contiguous block and shank main axis moved on pin driven shaft The transmission contiguous block and the shank drivewheel of shank main shaft synchronous axial system that connect and move the shifting pin that is rotationally connected of pin driven shaft from Dynamic turbine；Described shank drivewheel engages with moving the driving of pin driven turbine wheel, is provided with transmission even in described shifting pin driven turbine wheel end face Connecing block drive groove, described transmission contiguous block is coordinated with transmission contiguous block drive groove driving by transmission linking arm, described biography Passing contiguous block drive groove drives transmission contiguous block around shank main shaft reciprocating rotation；It is additionally provided with swing on described transmission contiguous block Block, described swinging block is stirred with driven contiguous block and is connected and drives shifting pin driven shaft reciprocating rotation；

Described shifting pin driven shaft leading section is provided with swing arm, and described swing arm one end is fixed with moving pin driven shaft, the other end and pin Shaft bar stirs connection, and described needle bar bracket horizontal reciprocating under the stirring of swing arm moves.

2. label packaging sewing machine drive structure as claimed in claim 1, it is characterised in that: described transmission contiguous block drives recessed Groove includes inner circle segmental arc and the cylindrical segmental arc being separately positioned on two ends, by driving between described inner circle segmental arc and cylindrical segmental arc The section of crossing is connected, and described inner circle segmental arc and cylindrical segmental arc are coaxially disposed with moving pin driven turbine wheel；Described transmission linking arm be provided with Inner circle segmental arc, cylindrical segmental arc and drive changeover portion to coordinate the linking arm roller head of rolling continuously, described linking arm roller head with drive When dynamic changeover portion coordinates rolling, changeover portion is driven to force transmission linking arm to swing；Described swinging block is provided with swinging block shift fork, institute State driven contiguous block and be provided with the driven contiguous block reversed column coordinated with swinging block shift fork, described swinging block shift fork stir when swinging from The block reversed column that is dynamically connected and shifting pin driven shaft synchronous reciprocating rotate.

3. label packaging sewing machine drive structure as claimed in claim 2, it is characterised in that: described shank is arranged on shank and props up On frame, described needle bar bracket is provided with to guide with shank and rolls the slide opening coordinated, and described slider-crank mechanism includes being fixed on pin Shank fixture block, two ends that the needle bar crank of bar front-end of spindle and shank are fixed are hinged with needle bar crank and shank fixture block respectively Shank connecting rod；Described shank back and forth runs under the driving and slide opening guide effect of slider-crank mechanism up and down.

4. label packaging sewing machine drive structure as claimed in claim 3, it is characterised in that: described needle bar bracket includes leading To support and the rear driven in translation support fixing with front guiding trestle, described leading it is provided with sky window, described slide opening to mid-stent It is separately positioned on the two ends up and down of sky window；It is provided with, in described rear driven in translation support, the reversed column coordinated with swing arm；Described swing The end that arm coordinates with reversed column is provided with a shifting block, and described shifting block is provided with the allocating slot coordinated with reversed column；Described rear driven in translation Frame bottom is provided with the horizontally-guided plate coordinating guiding with it.

5. label packaging sewing machine drive structure as claimed in claim 4, it is characterised in that: described string-hooking mechanism includes and watches Take hooking line main shaft and being fixed on the line hook hooking line front-end of spindle of motor drive connection；Described hook line rear-end of spindle passes sequentially through bullet Spring shaft coupling, speed governing axle and crank speed adjusting gear are connected with driven by servomotor；Described crank speed adjusting gear include speed crank, Speed governing rotating disk and the speed governing connecting rod hinged with both.

6. label packaging sewing machine drive structure as claimed in claim 5, it is characterised in that: described string-hooking mechanism also includes past The multiple line hook translation drive shaft rotated, line hook translation drive shaft is arranged with hooking line main axis parallel；In described line hook translation drive shaft Being fixed with translation shifting block, described hook line main axis is provided with translation contiguous block, and described translation shifting block is hinged with translation contiguous block；Institute Stating and be additionally provided with horizontal rolling guide pad on the hook line main shaft between translation contiguous block and line hook, described line hook translation drive shaft is reciprocal Drive translation shifting block to swing during rotation, and then hook line front-end of spindle leading at horizontal rolling guide pad by translation contiguous block driving To effect under the most traverse motion；Described line hook driven in translation shaft rear end by first connecting rod mechanism with move pin from Moving axis drive connection.

7. label packaging sewing machine drive structure as claimed in claim 6, it is characterised in that: described first connecting rod mechanism includes Steering block, setting in hinged the first L-shaped of the first swinging block fixing with moving pin driven shaft rear end and the first swinging block outer end In the first L-shaped steering block under the first L-shaped of steering block bottom, steering block under steering block in the first L-shaped and the first L-shaped is connected Perpendicular linking arm, one end fixes with line hook driven in translation shaft rear end and the first pendulum that under the other end and the first L-shaped, steering block is hinged Dynamic delivery arm；In described first L-shaped steering block vertical arm and under the first L-shaped between the vertical arm of steering block connect have perpendicular linking arm, In described first L-shaped, the transverse arm of steering block stretches out laterally, and under described first L-shaped, the transverse arm of steering block is detained back to inner side and end Hinged with the first swing delivery arm；Described perpendicular linking arm side is provided with and erects the perpendicular linking arm coordinated when linking arm runs up and down and lead To block；It is respectively arranged at two ends with before and after described line hook translation drive shaft for line hook spacing for line hook driven in translation Axial and radial is put down Moving driving shaft pilot sleeve, described line hook translation drive shaft axle sleeve is rotatably assorted with line hook translation drive shaft.

8. label packaging sewing machine drive structure as claimed in claim 7, it is characterised in that: described shank main shaft and servo electricity Machine output shaft drive connection, described servo motor output shaft is additionally provided with driving pulley, the bottom of described driving pulley be provided with from Movable belt pulley, is provided with Timing Belt between described driving pulley and driving pulley, the outer zone face of described Timing Belt also coordinates drive connection There is reversion belt wheel；Described speed crank is connected with reversion belt wheel front-end driven, and described speed governing rotating disk is connected with speed governing axle；Described same In step band, zone face is additionally provided with tensioning regulation belt wheel.

9. label packaging sewing machine drive structure as claimed in claim 8, it is characterised in that push away line mechanism described in: and include front end Push away line fork, drive the line that pushes away pushing away line fork drive shaft and reversion belt wheel rear end drive connection pushing away line fork reciprocating rotation to drive machine Structure；The described line fork drive shaft rear and front end that pushes away is respectively provided with pushing away that line fork drive shaft is radially the most spacing pushes away line fork drive shaft axle Set, push away line fork driving shaft pilot sleeve with push away line fork drive shaft turns be connected；

Described push away line drive mechanism include with reversion belt wheel rear end drive connection push away line drive turbine, be opened in described in push away line and drive On dynamic turbine rear end face push away line drive wheel groove with push away line drive wheel groove and coordinate push away string pendulum arm and push away string pendulum arm outer end and fix Push away the reciprocal rotating shaft of line, be arranged on and push away in the reciprocal rotating shaft of line for radially the most spacing pushing away line reciprocal rotating shaft axle sleeve, being arranged on and push away line Reciprocal rotating shaft front end push away line transmission linking arm, one end and push away line fork drive shaft rear end fixing push away line rocking arm；Described driving wheel Groove is annular race, and described annular race includes nearly heart section and telecentricity section, round and smooth for transition between described nearly heart section and telecentricity section Drive section；The described string pendulum arm one end that pushes away is provided with the swing arm roller head with annulus wheel slot fit, the other end with push away the reciprocal rotating shaft of line after End is fixed, and the line reciprocal rotating shaft front and back position that pushes away of fixed position is respectively provided with pushing away line reciprocating rotary Axial and radial spacing Push away line reciprocal rotating shaft axle sleeve；The described line transmission linking arm one end that pushes away is fixed with pushing away line reciprocal rotating shaft front end, and the other end shakes with pushing away line Arm is hinged；Push away line one end with push away line transmission linking arm hinged, the other end with push away line fork drive shaft rear end fix.

10. label packaging sewing machine drive structure as claimed in claim 9, it is characterised in that: described label packaging sewing machine Line roller seat that drive mechanism also includes wire delivery mechanism, described wire delivery mechanism to include along sewing thread transport path setting gradually, take-up Frame, wire column, unwrapping wire tension disk, tension force tension disk, deposit line mechanism, wire head, fixing guide roller, mobile guide roller and be arranged on Eedle hole on eedle；

Described unwrapping wire tension disk includes a pair unwrapping wire thread tension disc, unwrapping wire thread tension disc is executed stressed unwrapping wire spring, connects unwrapping wire The unwrapping wire drive rod that the unwrapping wire post of thread tension disc and unwrapping wire spring, driving unwrapping wire intermediate plate moment unclamp, the end of described unwrapping wire drive rod Portion's shank main shaft synchronous cam coordinates contact, and the upper end of described unwrapping wire drive rod coordinates with superposed unwrapping wire clamp monolithic drives Dynamic；

Described deposit line mechanism include one by air cylinder driven deposited string pendulum hook and with deposit that string pendulum hook coordinates deposit terminal；Described deposit line Swing hook includes two cabling hook and slot, described in deposit terminal and be provided with one and deposit string holes, sewing thread after tension force tension disk exports successively With a cabling hook and slot, deposit string holes and another one cabling hook and slot coordinates and then coordinates with fixing guide roller through wire head wire；

Described fixing guide roller is arranged on shell body, and described mobile guide roller is fixed on shank.