CN207109273U - A kind of mode switching structure, sewing alignment unit and sewing machine - Google Patents

Abstract

The utility model provides a kind of mode switching structure, in the frame in sewing machine, there is sewing machine in sewing machine, mode switching structure includes the material moving machine tool hand for being installed on frame, and the shifting materials and parts moved by the hand-drive of material moving machine tool, material moving machine tool hand includes X-axis component and Y-axis component, X-axis component has the X-axis mobile terminal that can be moved along the direction of the feed direction parallel to sewing machine feeding mechanism, Y-axis component is arranged on X-axis mobile terminal, and with the Y-axis mounting rod along the extension of the direction of the feed direction perpendicular to sewing machine feeding mechanism, Y-axis mounting rod can move back and forth along itself bearing of trend, move materials and parts and be arranged on Y-axis mounting rod towards one end of frame.The application drives the integrated reciprocating movement for moving materials and parts easily can be switched between automatic discharging pattern and artificial discharge pattern by Y-axis mounting rod, is easy to that sewing is manually placed on platen to or carried out on platen other operations.

Description

A kind of mode switching structure, sewing alignment unit and sewing machine

Technical field

It the utility model is related to a kind of mode switching structure.

The utility model further relates to a kind of sewing alignment unit for including above-mentioned mode switching structure.

The utility model further relates to a kind of sewing machine for including above-mentioned sewing alignment unit.

Background technology

At present, generally all include in sewing machine and put cloth platform, separative element, grip unit, alignment unit, sewing Unit and receiving unit, wherein, put and be used to place a pile cut-parts on cloth platform；Separative element is used to successively divide a pile cut-parts From and isolate sewing；Grip unit is used to clamp the sewing isolated and sewing is transferred to the specified location on platen Place；Alignment unit is used to the sewing on platen carrying out edge alignment operation, avoids sewing from occurring close to one end of sewing unit Tilt phenomenon；Unit of sewing is used for the sewing after aliging of sewing；Receiving unit is used to store the sewing that sewing finishes.Therefore, it is right It is the important prerequisite for realizing high quality sewing that whether neat unit, which can align sewing close to one end of sewing unit,.

Prior art

The Chinese utility model patent of Application No. 201520614181.7 discloses a kind of two steps alignment adjustable type entirely certainly Dynamic industrial sewing machine, it include the connected feed mechanism set gradually in X direction of order, pre-adjustment mechanism, vision adjustment mechanism, Nose assembly；Wherein, pre-adjustment mechanism includes preset material region, and the work top in preset material region is provided with sensor group, passes Sensor group senses the front edge position of cloth, and feeds back signal to preconditioning actuating unit, preconditioning actuating unit adjustment cloth Material and the depth of parallelism of X-direction, realize first step alignment regulation；Vision adjustment mechanism includes vision adjustment region, vision adjustment area The top in domain is provided with sighting device, and the cloth presser in preset material region is delivered to tune by pre- feed mechanism under the driving of the second motor Setting position in the domain of main plot, work pressing plate pushes down cloth, by cloth along X to being moved to region corresponding to sighting device, according to The picture-taking position of sighting device carries out adjustment of the X to, Y-direction circumferencial direction to cloth, or carries out X to, Y-direction and centered on Z axis Circumferencial direction adjustment, realize second step alignment regulation.But two step alignment adjustable type full-automatic industrial sewing machine is actual Following defect in use be present：

1st, in most cases, the edge of sewing is irregular curve, in other words, sewing close to sewing unit one Duan Bianyuan is close to straight line, and therefore, it is not easily accomplished when adjusting the depth of parallelism of cloth and X-direction, and then causes the first step The degree of accuracy of alignment regulation is greatly reduced, so as to influence the overall alignment accuracy of sewing so that automatic sewing quality can not obtain It is effectively ensured.

2nd, the work pressing plate for driving cloth to move is mounted directly on a robotic arm, and the pressing plate that works needs to be located at and is used for The surface side of the platen of cloth is placed, and then causes manipulator integrally to extend along direction (i.e. Y-direction) and assume in the upper of platen Square side, therefore, the mobile generation that it can be to other equipment in full-automatic industrial sewing machine (for example preconditioning actuating unit) are certain Interference；Especially, when by automatically placing pattern switching being artificial placement pattern by the operation that cloth is placed on cloth platform When, because manipulator blocks a part for platen so that the artificial operation for placing cloth becomes to be not easy.

Utility model content

In view of the above the shortcomings that prior art, the technical problems to be solved in the utility model is to provide a kind of pattern Switching construction, largely facilitate the automatic discharging pattern of switching sewing machine and artificial discharge pattern.

To achieve the above object, the utility model provides a kind of mode switching structure, in sewing machine In frame, there is sewing machine in the sewing machine, the mode switching structure includes the material moving machine tool for being installed on frame Hand and the shifting materials and parts moved by the hand-drive of material moving machine tool, the material moving machine tool hand include X-axis component and Y-axis component, the X Shaft assembly has the X-axis mobile terminal that can be moved along the direction of the feed direction parallel to sewing machine feeding mechanism, the Y-axis component On X-axis mobile terminal and with the Y-axis installation along the extension of the direction of the feed direction perpendicular to sewing machine feeding mechanism Bar, the Y-axis mounting rod can move back and forth along itself bearing of trend, and the shifting materials and parts are arranged on Y-axis mounting rod towards frame One end.

Further, the X-axis component is located at the outer circumferential side of frame, X-axis component include being fixed on the X-axis bearing of frame, Be fixed on X-axis motor, the driving wheel being rotatably supported on X-axis bearing and the driven pulley of X-axis bearing, be enclosed on driving wheel and from The timing belt of driving wheel periphery and the jockey mutually fixed with timing belt, the driving wheel and driven pulley or so are arranged side by side, The Y-axis component is arranged on jockey, and the jockey forms the X-axis mobile terminal.

Preferably, the X-axis component also includes being fixed on the X-axis guide rail of frame and is fixed on the X-axis cunning of Y-axis component Block, moving direction extension of the X-axis guide rail along jockey, and X-axis guide rail is engaged with the chute in X-axis slide block.

Preferably, the frame is all installed with buffering fixed column at the both ends of X-axis guide rail, and the fixed column that buffers is towards X Cushion pad is installed with the end face of axle sliding block.

Further, the Y-axis component includes being fixed on the Y-axis bearing of X-axis mobile terminal, is fixed on the Y-axis electricity of Y-axis bearing Machine, be fixed on y-axis motor output end drive gear and the Y-axis that is meshed with drive gear and extends along the longitudinal direction Rack, the Y-axis mounting rod are mutually fixed with Y-axis gear.

Preferably, the Y-axis component also includes being fixed on the Y-axis guide rail of Y-axis mounting rod and is fixed on the Y of Y-axis bearing Axle sliding block, moving direction extension of the Y-axis guide rail along Y-axis mounting rod, and Y-axis guide rail is engaged with the chute in Y-axis sliding block.

Further, the Y-axis mounting rod is fixed with connecting plate towards one end of frame, and a left side is provided with the connecting plate Move material cylinder and move to right material cylinder, it is described move contraposition left pressing plate that materials and parts include being fixed on the piston-rod lower end for moving to left material cylinder and The contraposition right pressing plate for the piston-rod lower end for moving to right material cylinder is fixed on, the contraposition left pressing plate and contraposition right pressing plate move along the x-axis The moving direction at end is arranged side by side.

The utility model also provides a kind of sewing alignment unit, including frame, in frame and for installing sewing Platen, the X of machine align left sensor, binder to left sensor, X sensor, X into contraposition is aligned to the right sensor of contraposition, Y-direction Driving source, by the binder driving source binder part that moves up and down of driving and mode switching structure as described above, the X is to right The left sensor in position, X into contraposition sensor, X to aligning right sensor and Y-direction aligns left sensor and is all arranged in platen and all Expose from the upper surface of platen, the binder part is all located at the upper side of platen with materials and parts are moved；The feeder along the sewing machine Structure drives the direction that sewing moves to the left, the X to align left sensor, X into contraposition sensor and X to aligning right sensor Arrangement and left and right alignment, and X is located at the right side of sewing machine, X sensors into contraposition to left sensor is aligned successively from left to right Neighbour in X to aligning left sensor, the Y-direction align left sensor and X to align left sensor from front to back successively arrangement and Front and rear alignment, subpoint of the binder part on platen and X to align left sensor overlaps or neighbour in X to the left biography of contraposition Sensor.

The utility model provides a kind of sewing machine again, and mould as described above is provided with the sewing machine Formula switching construction or sewing alignment unit.

As described above, the mode switching structure that the utility model is related to, sewing alignment unit and sewing machine, have Following beneficial effect：

Because the Y-axis of the direction extension in mode switching structure along the feed direction perpendicular to sewing machine feeding mechanism is installed Bar can reciprocatingly move along itself bearing of trend, and in other words, Y-axis mounting rod integrally can extend relative to frame along its own Stretching motion is done in direction, therefore moves materials and parts entirety to after the direction movement for being away from frame when Y-axis mounting rod drives so that in frame The platen of side can vacate large area, without being blocked by Y-axis mounting rod and shifting materials and parts, consequently facilitating manually placing sewing Other operations are carried out on platen or on platen.Therefore, the application drives the integrated reciprocating for moving materials and parts to move by Y-axis mounting rod It is dynamic easily to be switched between automatic discharging pattern and artificial discharge pattern.

Brief description of the drawings

Fig. 1 and Fig. 2 is the structural representation of sewing alignment unit in the application.

(wherein, Fig. 2 eliminates portion chassis)

The A that Fig. 3 is Fig. 2 encloses enlarged drawing.

Fig. 4 is structural representations of the Fig. 2 under another visual angle.

Fig. 5 is the structural representation of mode switching structure in the application.

Fig. 6 is the structural representation of X-axis component in Fig. 5.

Fig. 7 is the structural representation of Y-axis component in Fig. 5.

Fig. 8 is the connection diagram of y-axis motor, drive gear and Y-axis rack in Fig. 7.Fig. 9 is that sewing aligns in the application Procedure chart.

Component label instructions

1 sewing machine

2 platens

21 pallet body portions

22 platen blowing portions

23 through holes

3 frames

41 X are to aligning left sensor

42 X sensors into contraposition

43 X are to aligning right sensor

44 Y-directions align left sensor

45 Y-directions align right sensor

51 binder driving sources

52 binder parts

53 mounting brackets

6 material moving machine tool hands

61 X-axis components

611 X-axis bearings

612 X-axis motors

613 driving wheels

614 driven pulleys

615 timing belts

616 jockeies

617 X-axis guide rails

618 X-axis slide blocks

619 buffering fixed columns

610 cushion pads

62 Y-axis components

621 Y-axis bearings

622 y-axis motors

623 drive gears

624 Y-axis racks

625 Y-axis mounting rods

626 Y-axis guide rails

627 Y-axis sliding blocks

63 connecting plates

631 move to left material cylinder

632 move to right material cylinder

7 move materials and parts

71 contraposition left pressing plates

72 contraposition right pressing plates

81 first blow heads

82 second blow heads

9 sewing detection sensors

10 sewings

101 edges to be aligned

Embodiment

Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands other advantages and effect of the present utility model easily.

It should be clear that structure, ratio, size etc. that this specification accompanying drawing is painted, only coordinating in disclosed in specification Hold, so that those skilled in the art understands and reads, be not limited to the enforceable qualifications of the utility model, therefore not Has technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are new not influenceing this practicality Under the effect of type can be generated and the purpose that can reach, all should still fall can cover in the technology contents disclosed in the utility model In the range of.Meanwhile cited such as " on ", " under ", "left", "right", the term of " centre " in this specification, also only just Understand in narration, and be not used to limit the enforceable scope of the utility model, its relativeness is altered or modified, without essence Change under technology contents, when being also considered as the enforceable category of the utility model.

For ease of describing, in following examples, all directions are defined as follows：By the feeding of sewing machine in sewing machine 1 The direction that mechanism driving sewing 10 moves is defined as left direction, also, left and right directions is also the length of frame 3 in sewing machine Spend direction；Meanwhile the short transverse of frame 3 is defined as above-below direction, the width of frame 3 is defined as fore-and-aft direction.

The utility model provides a kind of mode switching structure, as shown in figure 1, the frame 3 in sewing machine On, there is the sewing machine 1 being arranged at the left end of platen 2, the platen 2 is arranged on the upper of frame 3 in the sewing machine End.As shown in Figures 5 to 7, the mode switching structure includes installed in the material moving machine tool hand 6 of the rear end of frame 3 and expected by moving Manipulator 6 drives the shifting materials and parts 7 of movement, moves materials and parts 7 and is used to be in contact with sewing 10, drive sewing 10 to move on platen 2；Institute Stating material moving machine tool hand 6 includes X-axis component 61 and Y-axis component 62, and the X-axis component 61 has X-axis mobile terminal, and X-axis mobile terminal can Moved left and right along the direction of the feed direction parallel to the feed mechanism of sewing machine 1；The Y-axis component 62 is arranged on X-axis mobile terminal Go up and there is Y-axis mounting rod 625, Y-axis mounting rod 625 is along before and after the direction of the feed direction of the feed mechanism of sewing machine 1 Extension；Especially, the Y-axis mounting rod 625 front and rear can move back and forth along itself bearing of trend, and the shifting materials and parts 7 are arranged on Y Axle mounting rod 625 is towards the front end of frame 3.

In above-mentioned mode switching structure, when X-axis mobile terminal is moved in left-right direction, X-axis mobile terminal drives Y-axis component 62 With move materials and parts 7 synchronously move in left-right direction, realize to move to left material or the material that moves right；When Y-axis mounting rod 625 along the longitudinal direction When moving integrally, drive shifting materials and parts 7 synchronously to move along the longitudinal direction, realize to reach material or be moved back material.Further, since mould The Y-axis mounting rod 625 of direction extension in formula switching construction along the feed direction perpendicular to the feed mechanism of sewing machine 1 can be along certainly Body bearing of trend is reciprocatingly moved, and in other words, Y-axis mounting rod 625 integrally can be done relative to frame 3 along its own bearing of trend Stretching motion, therefore the entirety of materials and parts 7 is moved to after the direction movement for being away from frame 3 when Y-axis mounting rod 625 drives so that in frame 3 The platen 2 of side can vacate large area, without being blocked by Y-axis mounting rod 625 and shifting materials and parts 7, consequently facilitating manually will seam Material 10 is placed on platen 2 or other operations is carried out on platen 2.Therefore, the application is driven by Y-axis mounting rod 625 and moves material The integrated reciprocating movement of part 7 can be switched over easily between automatic discharging pattern and artificial discharge pattern.

The X-axis component 61 is located at the outer circumferential side of frame 3, and X-axis mobile terminal moves left and right and the front and rear shifting of Y-axis mounting rod 625 Dynamic type of drive can be timing belt drive mechanism, screw pair drive mechanism, gear-rack drive mechanism etc., this implementation In example, X-axis mobile terminal moves left and right and preferably uses synchronous tape drive mechanism, and Y-axis mounting rod 625 is movable preferably to use gear Rack drives mechanism.As shown in fig. 6, X-axis component 61 includes being fixed on the X-axis bearing 611 of frame 3, is fixed on X-axis bearing 611 X-axis motor 612, the driving wheel 613 that is rotatably supported on X-axis bearing 611 and driven pulley 614, be enclosed on the and of driving wheel 613 The timing belt 615 of the periphery of driven pulley 614 and with the phase of timing belt 615 fix jockey 616, the driving wheel 613 and from Driving wheel 614 or so is arranged side by side, and the Y-axis component 62 is arranged on jockey 616, and the jockey 616 forms the X Axle mobile terminal.When X-axis motor 612 rotates, X-axis motor 612 drives the synchronous axial system of driving wheel 613, and then drives timing belt 615 Move in left-right direction, move to left or move to right together so as to drive jockey 616, Y-axis component 62 and move materials and parts 7, realize to the left Move material or the material that moves right.In addition, X-axis component 61 also includes being fixed on the X-axis guide rail 617 of frame 3 and is fixed on Y-axis component The X-axis slide block 618 of Y-axis bearing 621 in 62, the X-axis guide rail 617 extends along moving direction of jockey 616 or so, and X Axis rail 617 is engaged with the chute in X-axis slide block 618, improves the stationarity that material moving machine tool hand 6 moves left and right.Frame 3 is in X The left and right ends of axis rail 617 are all installed with buffering fixed column 619, and the fixed column 619 that buffers is towards the end of X-axis slide block 618 Cushion pad 610 is installed with face, plays a part of bumper and absorbing shock.

As shown in Figure 7 and Figure 8, the Y-axis component 62 includes being fixed on the Y-axis bearing 621 of X-axis mobile terminal, is fixed on Y-axis The y-axis motor 622 of bearing 621, be fixed on y-axis motor 622 output end drive gear 623 and with the phase of drive gear 623 The Y-axis rack 624 for engaging and extending along the longitudinal direction, the Y-axis mounting rod 625 are mutually fixed with Y-axis gear, the Y-axis bearing 621 are located at the rear side of platen 2.When y-axis motor 622 rotates, y-axis motor 622 drives the synchronous axial system of drive gear 623, leads to Gear 623 of overdriving moves along the longitudinal direction with the driving Y-axis rack 624 that engages of Y-axis rack 624, so as to drive Y-axis mounting rod 625 move to left or move to right together with materials and parts 7 are moved, and realize to reach material or are moved back material.Y-axis component 62 also includes being fixed on Y-axis peace Fill the Y-axis guide rail 626 of bar 625 and be fixed on the Y-axis sliding block 627 of Y-axis bearing 621, the Y-axis guide rail 626 is installed along Y-axis The moving direction of bar 625 is front and rear to be extended, and Y-axis guide rail 626 is engaged with the chute in Y-axis sliding block 627, improves material moving machine tool hand 6 movable stationarities.

In addition, as shown in figure 5, the Y-axis mounting rod 625 is fixedly arranged at the front end with connecting plate 63, the connection towards frame 3 It is provided with plate 63 and moves to left material cylinder 631 and move to right material cylinder 632, the materials and parts 7 that move moves to left material cylinder 631 including being fixed on The contraposition left pressing plate 71 of piston-rod lower end and the contraposition right pressing plate 72 for being fixed on the piston-rod lower end for moving to right material cylinder 632, it is described Contraposition left pressing plate 71 and align right pressing plate 72 and move along the x-axis the moving direction at end and be arranged side by side, contraposition left pressing plate 71 closer to In sewing machine 1.Therefore, when drive sewing 10 it is overall be moved to the left or it is overall move forward or it is overall be moved rearwards when, only by Contraposition left pressing plate 71 drives sewing 10 to move or drives sewing 10 to move by contraposition left pressing plate 71 and contraposition right pressing plate 72；When right When sewing 10 carries out rotation into alignment operation, in order to obtain larger radius of turn and preferable alignment effect, only by aligning right pressure Plate 72 drives sewing 10 to be moved rearwards, carry out rotation into alignment operation.

The utility model provides a kind of sewing alignment unit and sewing alignment schemes for sewing machine, for inciting somebody to action The sewing 10 being placed in sewing machine on platen 2 carries out rotation into alignment operation.Sewing 10 is placed on the side on platen 2 Formula has two kinds：Artificial blowing and the sewing 10 put by the gripper mechanism grips of sewing 10 in sewing machine on cloth platform are carried out certainly Dynamic blowing；When manually placing sewing 10, operator is that station carries out corresponding blowing operation in the front side of frame 3, therefore After artificial placement sewing 10, the back edge of sewing 10 can there is a situation where to turn forward, as illustrated in fig. 9；Work as sewing machine In 10 clamping device automatic discharging of sewing when, what it is due to the gripper mechanism grips of sewing 10 is to be put in automatic sewing machine 1 on cloth platform Sewing 10, and operation that sewing 10 is placed on cloth platform and carry out, therefore put on cloth platform in the front side of frame 3 The back edge of sewing 10 can there is a situation where to turn forward, as illustrated in fig. 9.Also, the back edge of sewing 10 is close to sewing machine 1 Left section of part close to linear, therefore when sewing 10 is overall turn forward when, the back edge of sewing 10 is close to left section of portion of straight line Point also deviate the state with the straight line of left and right extension to turn forward, forward, by this section on sewing 10 close to the side of straightway Edge is defined as edge 101 to be aligned.The purpose of the application is：After making sewing 10 in rotary moving, by the back edge of sewing 10 The correction of edge 101 to be aligned to left and right extends, not inclined state.

As shown in Figures 1 to 4, the sewing alignment unit of sewing machine provided by the utility model includes being used to install The platen 2 of sewing machine 1, sensor cluster, binder driving source 51, driven by binder driving source 51 the binder part 52 moved up and down, And mode switching structure as described above, the binder part 52 are all located at the upper side of platen 2 with materials and parts 7 are moved.The sewing Machine 1 is industrial sewing machine 1, such as：Flat seam machine, overedger, flat seaming machine etc., sewing machine 1 are arranged on the left side of platen 2 and are located at Left side of the sewing 10 to its unit in the application.The sensor cluster includes X to aligning left sensor 41, X into contraposition Sensor 42, X are to right sensor 43 and the left sensor 44 of Y-direction contraposition is aligned, and the X is to the left sensor 41 of contraposition, X into contraposition Sensor 42, X align left sensor 44 to the right sensor 43 of contraposition and Y-direction and are arranged in platen 2 and from the upper end of platen 2 Show out, thus offered on platen 2 hold X to align left sensor 41, X into contraposition sensor 42, X to aligning right sensor 43 Align the through hole 23 that left sensor 44 exposes with Y-direction, also, X to align left sensor 41, X into contraposition sensor 42, X to The upper end for aligning right sensor 43 and the left sensor 44 of Y-direction contraposition is below the upper surface of platen 2 or neat with the upper surface of platen 2 It is flat, and then the movement to sewing 10 will not produce interference.In addition, installation site of the sensor cluster on platen 2 is close to platform The back edge of plate 2, after the specified location being placed on sewing 10 on platen 2, sewing 10 is located at the right front of sensor cluster Side.The position relationship of each sensor is as follows in sensor cluster：Feed mechanism drives what sewing 10 moved to the left along sewing machine 1 Direction, the X are arranged successively from left to right to left sensor 41, X sensor 42 and X into contraposition is aligned to right sensor 43 is aligned Cloth and left and right are alignd, and X to align left sensor 41 be located at the right side of sewing machine 1, X into contraposition the neighbour of sensor 42 in X to Align left sensor 41, the Y-direction aligns left sensor 44 and X to aligning the arrangement and front and rear successively from front to back of left sensor 41 Alignment, subpoint of the binder part 52 on platen 2 and X to align left sensor 41 overlap or neighbour in X to the left biography of contraposition Sensor 41.More preferably, subpoint of the binder part 52 on platen 2 is located at X to the right front side and neighbour for aligning left sensor 41 In X to aligning left sensor 41.

As shown in figure 3, sewing alignment unit also includes being fixed on the mounting bracket 53 of the rear end of platen 2 and is arranged on Press cylinder in mounting bracket 53, the lower end of the piston rod of the press cylinder are fixed with the phase of binder part 52, the pressure Material cylinder is the binder driving source 51.The binder part 52 is ball plunger, and the lower end of the piston rod of press cylinder is threadedly coupled There is ball plunger connector, the lower end of ball plunger connector is threaded with the ball plunger；When the piston rod of press cylinder is downward After stretching, then drive ball plunger move down so that the lower end of ball plunger overlays sewing 10 on platen 2, and ball plunger with Sewing 10 contacts for point, to reduce the frictional force between binder part 52 and sewing 10, is easy to the rotation into alignment of follow-up sewing 10 to grasp Make.

The sewing alignment schemes of sewing machine provided by the utility model include electronic control module and seam as described above Expect alignment unit, the X aligns to left sensor 41, X sensor 42, X into contraposition is aligned to the right sensor 43 of contraposition, Y-direction Left sensor 44, binder driving source 51, move to left material cylinder 631, move to right material cylinder 632, X-axis motor 612 and y-axis motor 622 all It is connected with electronic control module.The sewing alignment schemes comprise the following steps successively：

Step A, under original state, as illustrated in fig. 9, the clamping device of sewing 10 in manual or automatic sewing device will be treated The sewing 10 of sewing is placed on the specified location of platen 2, and now, sewing 10 is integrally located at the right front side of sensor cluster, seam Expect in 10 back edges it is to be aligned be easy to turn forward, Y-axis mounting rod 625 aligns left pressure generally in the state forward extended out Plate 71 and contraposition right pressing plate 72 are located at the upper side of sewing 10 while in the right sides of sensor cluster, sensor cluster Each sensor all do not covered by sewing 10.Electric control module controls move to left material cylinder 631 and acted, and move to left the work of material cylinder 631 Stopper rod extends downwardly from, and contraposition left pressing plate 71 is in contact with sewing 10.

Step B, as shown in figure 9b, electric control module controls X-axis motor 612 rotates, and X-axis motor 612 drives 613 turns of driving wheel It is dynamic, and then drive timing belt 615 to be moved to the left, so as to drive jockey 616, Y-axis component 62 and contraposition left pressing plate 71 to the left Mobile, driving sewing 10 is moved to the left, until Y-direction aligns left sensor 44 and covered by the left hand edge of sewing 10, Y-direction aligns left biography The output signal of sensor 44 changes.

Step C, as is shown in fig. 9 c, electronic control module aligns the output signal control X-axis motor of left sensor 44 according to Y-direction 612 stop operating, y-axis motor 622 rotates, then y-axis motor 622 drives the synchronous axial system of drive gear 623, and then drives Y-axis tooth Bar 624 is moved rearwards, and so as to drive Y-axis mounting rod 625 and contraposition left pressing plate 71 to be moved rearwards, driving sewing 10 is moved rearwards, Until X is covered to right sensor 43 is aligned by the edge to be aligned 101 in the back edge of sewing 10, X is to aligning right sensor 43 Output signal changes.

Step D, as shown in figure 9d, electronic control module controls X-axis motor according to X to the output signal for aligning right sensor 43 612 rotate, y-axis motor 622 stops operating, and make timing belt 615 drive contraposition left pressing plate 71 and sewing 10 to be moved to the left, until X Covered to left sensor 41 is aligned by the left hand edge of sewing 10, X changes to the output signal for aligning left sensor 41；Due to X is very close to left sensor 41 and X both sensors 42 into contraposition are aligned, therefore X sensors 42 into contraposition can also be stitched The covering of material 10.

Step E, as shown in figure 9e, electronic control module controls X-axis motor according to X to the output signal for aligning left sensor 41 612 stop operating, y-axis motor 622 rotates, and make Y-axis rack 624 drive contraposition left pressing plate 71 and sewing 10 to move forward, until X Into contraposition, sensor 42 exposes at the edge to be aligned 101 in the back edge of sewing 10, the output of X sensors 42 into contraposition Signal changes；Now, the corner of 10 left rear end of sewing is placed exactly in X to aligning at left sensor 41.

Step F, as shown in figure 9f, electronic control module controls y-axis motor according to the output signal of X sensors 42 into contraposition 622 stop operating, press cylinder action, and the piston rod of press cylinder extends downwardly from, and moves down ball plunger, sewing 10 is left The corner of rear end is overlayed on platen 2.

Step G, as shown in figure 9g, electric control module controls move to left material cylinder 631 and reset, move to right and expect that cylinder 632 acts, then right Position left pressing plate 71 separates with sewing 10, aligns right pressing plate 72 and be in contact with sewing 10；Electric control module controls y-axis motor 622 rotates, Make Y-axis rack 624 drive contraposition right pressing plate 72 and sewing 10 to be moved rearwards, then sewing 10 is using ball plunger as center of circle back rotation, Until X is covered to right sensor 43 is aligned by the edge to be aligned 101 in the back edge of sewing 10, now, treated pair on sewing 10 The extension of edging edge 101 or so, do not tilt, and then complete the alignment operation of the back edge of sewing 10.

Step H, last, electronic control module moves to left material cylinder 631 to the output signal control for aligning right sensor 43 according to X and moved Make, move to right material cylinder 632 and reset, then align left pressing plate 71 and be in contact with sewing 10, align right pressing plate 72 and separated with sewing 10, by Contraposition left pressing plate 71 drives sewing 10 to be moved to the left, sewing 10 is transferred at sewing machine 1 to the left.

In the sewing alignment unit and sewing alignment schemes that the utility model is related to, driven by material moving machine tool hand 6 and move materials and parts 7 Movement drive sewing 10 to move, in the process, align left sensor 44, X to aligning right sensor with reference to Y-direction successively 43rd, X causes the corner of 10 left rear end of sewing to be located to left sensor 41 and X signal intensities of sensor 42 into contraposition is aligned X at sensor 42, is overlayed the corner of 10 left rear end of sewing, and move by moving materials and parts 7 by binder part 52 afterwards into contraposition Dynamic sewing 10 causes the edge to be aligned 101 or so in the back edge of sewing 10 flush, do not tilt, and then ensures that starting enters sewing The direction that the preceding paragraph edge of sewing 10 below the presser feet of machine 1 drives sewing 10 to move to the left with sewing machine 1 is consistent.Therefore, this Shen Alignment accuracy and the degree of accuracy at the edge of sewing 10 please can be effectively improved, so as to ensure the sewing quality of sewing 10, and the application It is simple in construction, easy to control so that the alignment of sewing 10 is also easily realized.In the present embodiment, the X is to aligning left sensor 41, X Into contraposition, sensor 42, X are fibre optical sensor to right sensor 43 and the left sensor 44 of Y-direction contraposition is aligned.Preferably, institute It is 3mm-7mm, most preferably 5mm that X, which is stated, to left sensor 41 and spacing of the X into contraposition between sensor 42 is aligned.

Further, as shown in figure 3, sensor cluster also includes the Y-direction to the right front side of sensor 43 of contraposition positioned at X Right sensor 45 is aligned, the Y-direction aligns right sensor 45 and is arranged in platen 2 and exposes from the upper surface of platen 2, the X To the permissible value that the gap aligned between right sensor 43 and the right sensor 45 of Y-direction contraposition is the skew of the back edge of sewing 10.When holding After row above-mentioned steps F, if Y-direction aligns, right sensor 45 is covered by the edge to be aligned 101 in the back edge of sewing 10 and X is to right The right sensor 43 in position is not covered by the edge to be aligned 101 in the back edge of sewing 10, illustrates 101, the edge to be aligned of sewing 10 Right sensor 45 and X are aligned between aligning right sensor 43, namely in the inclined scope of permission in Y-direction, now, are not required to Rotation into alignment operation is carried out to sewing 10, directly hold the step H.After above-mentioned steps F is performed, if Y-direction contraposition is right Sensor 45 and X are not covered to right sensor 43 is aligned by the edge to be aligned 101 in the back edge of sewing 10, illustrate sewing 10 Edge to be aligned 101 be located at Y-direction and align the front side of right sensor 45, it is right at this time, it may be necessary to perform the step G and step H Sewing 10 carries out rotation into alignment operation.Because the sewing 10 on platen 2 is the state that turns forward, therefore it is not in Y-direction contraposition The situation that right sensor 45 and X are all covered to the right sensor 43 of contraposition by sewing 10.

As shown in Fig. 2 the sewing alignment unit also includes detecting to the sewing for aligning the right right side of sensor 43 positioned at X Sensor 9, the sewing detection sensor 9 are arranged in platen 2 and expose from the upper surface of platen 2 and be less than the upper of platen 2 End face flushes with the upper surface of platen 2；Sewing detection sensor 9 is used for detecting sewing 10 is whether there is on platen 2, and sewing detection passes Sensor 9 is connected with electronic control module, and electronic control module controls whether material moving machine tool hand 6 moves according to the signal of sewing detection sensor 9 Make.

As shown in Figures 2 and 3, sewing alignment unit also includes all being fixed in platen 2 and all from the upper end of platen 2 showing Go out the first blow head 81 and the second blow head 82；In left-right direction, the first blow head 81 is located at X to the left sensor 41 of contraposition and X Into contraposition between sensor 42, the second blow head 82 is located at X to the right side for aligning right sensor 43；Along the longitudinal direction, One blow head 81 be located at X to the front side and neighbour for aligning left sensor 41 in X to aligning left sensor 41, the second blow head 82 Front side positioned at from X to the right sensor 43 of contraposition；First blow head 81 is blown towards right front, the court of the second blow head 82 Blow right back.After the step G is performed, buckling phenomena inevitably occurs for sewing 10, now, the first blow head 81 Blown with the second blow head 82 to sewing 10, sewing 10 is flattened.In the present embodiment, the blowing direction of the first blow head 81 and the The blowing direction of two blow heads 82 is perpendicular；In addition, in left-right direction and fore-and-aft direction, the binder part 52 is on platen 2 Subpoint is all located at X between the left blow head 81 of sensor 41 and first of contraposition.

As shown in Figures 2 and 3, the platen 2 includes being fixed on the pallet body portion 21 of frame 3 and is fixed on pallet body Platen blowing portion 22 on the upper surface of portion 21, the platen blowing portion 22 is made of metal, has and is used for and sewing 10 is in contact And smooth upper surface；The X to align left sensor 41, X into contraposition sensor 42, X to aligning right sensor 43, Y-direction Align left sensor 44 and Y-direction aligns right sensor 45 and is all arranged in pallet body portion 21, and opened up in platen blowing portion 22 There is appearance X to align the left and of sensor 44 to the right sensor 43 of contraposition, Y-direction to left sensor 41, X sensor 42, X into contraposition is aligned Y-direction aligns the through hole 23 that right sensor 45 exposes, the up/down perforation platen blowing portion 22 of through hole 23.It is upper due to platen blowing portion 22 End face is smooth and is made of metal, therefore platen blowing portion 22 is wear-resisting, and the frictional force between sewing 10 is smaller, expects beneficial to moving Part 7 drives sewing 10 to move.

The utility model provides a kind of sewing machine again, and mould as described above is provided with the sewing machine Formula switching construction or sewing alignment unit.

In summary, the utility model effectively overcomes various shortcoming of the prior art and has high industrial exploitation value Value.

Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.

Claims (9)

1. a kind of mode switching structure, in the frame (3) in sewing machine, have in the sewing machine Sewing machine (1), the mode switching structure include being installed on the material moving machine tool hand (6) of frame (3) and by material moving machine tool hand (6) the mobile shifting materials and parts (7) of driving, it is characterised in that：The material moving machine tool hand (6) includes X-axis component (61) and Y-axis component (62), the X-axis component (61) has the X-axis that can be moved along the direction of the feed direction parallel to sewing machine (1) feed mechanism Mobile terminal, the Y-axis component (62) are arranged on the feeding on X-axis mobile terminal and with edge perpendicular to sewing machine (1) feed mechanism The Y-axis mounting rod (625) of the direction extension in direction, the Y-axis mounting rod (625) can move back and forth along itself bearing of trend, The materials and parts (7) that move are arranged on Y-axis mounting rod (625) towards one end of frame (3).

2. mode switching structure according to claim 1, it is characterised in that：The X-axis component (61) is located at frame (3) Outer circumferential side, X-axis component (61) include being fixed on the X-axis bearing (611) of frame (3), being fixed on the X-axis motor of X-axis bearing (611) (612) driving wheel (613) and driven pulley (614) that, are rotatably supported on X-axis bearing (611), it is enclosed on driving wheel (613) With the timing belt (615) of driven pulley (614) periphery and with timing belt (615) mutually fixed jockey (616), the master Driving wheel (613) and driven pulley (614) left and right are arranged side by side, and the Y-axis component (62) is arranged on jockey (616), described Jockey (616) forms the X-axis mobile terminal.

3. mode switching structure according to claim 2, it is characterised in that：The X-axis component (61) also includes being fixed on The X-axis guide rail (617) of frame (3) and the X-axis slide block (618) for being fixed on Y-axis component (62), X-axis guide rail (617) edge The moving direction extension of jockey (616), and X-axis guide rail (617) is engaged with the chute in X-axis slide block (618).

4. mode switching structure according to claim 3, it is characterised in that：The frame (3) is in X-axis guide rail (617) Both ends are all installed with buffering fixed column (619), and the buffering fixed column (619) is towards being installed with the end face of X-axis slide block (618) Cushion pad (610).

5. mode switching structure according to claim 1, it is characterised in that：The Y-axis component (62) includes being fixed on X-axis The Y-axis bearing (621) of mobile terminal, the y-axis motor (622) for being fixed on Y-axis bearing (621), it is fixed on the defeated of y-axis motor (622) The Y-axis rack (624) for going out the drive gear (623) at end and being meshed with drive gear (623) and extending along the longitudinal direction, The Y-axis mounting rod (625) is mutually fixed with Y-axis gear.

6. mode switching structure according to claim 5, it is characterised in that：The Y-axis component (62) also includes being fixed on Y The Y-axis guide rail (626) of axle mounting rod (625) and the Y-axis sliding block (627) for being fixed on Y-axis bearing (621), the Y-axis guide rail (626) extend along the moving direction of Y-axis mounting rod (625), and Y-axis guide rail (626) matches with the chute in Y-axis sliding block (627) Close.

7. mode switching structure according to claim 1, it is characterised in that：The Y-axis mounting rod (625) is towards frame (3) one end is fixed with connecting plate (63), is provided with the connecting plate (63) and moves to left material cylinder (631) and move to right material cylinder (632), the materials and parts (7) that move include being fixed on the contraposition left pressing plate (71) for moving to left the piston-rod lower end for expecting cylinder (631) and consolidated It is scheduled on the contraposition right pressing plate (72) for the piston-rod lower end for moving to right material cylinder (632), the contraposition left pressing plate (71) and the right pressure of contraposition The moving direction that plate (72) moves along the x-axis end is arranged side by side.

8. a kind of sewing alignment unit, including frame (3), the platen in frame (3) and for installing sewing machine (1) (2), it is characterised in that：Also include X to align left sensor (41), X into contraposition sensor (42), X to aligning right sensor (43), Y-direction aligns left sensor (44), binder driving source (51), the binder part moved up and down by binder driving source (51) driving (52) and the mode switching structure described in claim any one of 1-7, the X is to aligning left sensor (41), X to contraposition Middle sensor (42), X to align right sensor (43) and Y-direction align left sensor (44) all in platen (2) and all from The upper surface of platen (2) is exposed, and the binder part (52) and is moved materials and parts (7) and is all located at the upper sides of platen (2)；Along the sewing Feed mechanism drives the mobile direction of sewing (10) to the left in machine (1), and the X passes to the left sensor (41) of contraposition, X into contraposition Sensor (42) and X are to aligning the arrangement and left and right is alignd successively from left to right of right sensor (43), and X is to aligning left sensor (41) Positioned at the right side of sewing machine (1), X, into contraposition, sensor (42) neighbour aligns in X to left sensor (41), the Y-direction is aligned Left sensor (41) is arranged successively from front to back and front and rear alignment, the binder part (52) exist to aligning by left sensor (44) and X Subpoint on platen (2) and X to align left sensor (41) overlaps or neighbour in X to the left sensor (41) of contraposition.

A kind of 9. sewing machine, it is characterised in that：Any one of claim 1-7 institutes are installed in the sewing machine Sewing alignment unit described in the mode switching structure or claim 8 stated.