CN207498611U - The end backrush of belt-strap, sewing device - Google Patents

Abstract

The utility model provides a kind of end backrush of belt-strap, sewing device, belongs to safety belt Automated assembly field.Bending mechanism is positioned including ribbon, send band shift mechanism, ribbon sewing mechanism and with needle discharge mechanism, wherein, send band shift mechanism, the top of ribbon positioning bending mechanism is arranged on needle discharge mechanism, ribbon sewing mechanism is arranged on the left side of ribbon positioning bending mechanism, band needle discharge mechanism will press on former ribbon with needle, ribbon positions bending mechanism the end bending backrush of former ribbon that will get up to form new ribbon with needle winding, send band shift mechanism that new ribbon is brought to ribbon sewing mechanism, end is overlapped by ribbon sewing mechanism to the ribbon of new ribbon end to suture.Belt-strap is made with realizing motorization assembly with needle by the cooperation of each mechanism in the utility model, without artificial blowing feeding, so as to improve production efficiency, production cost can be reduced, product quality is more secure automatically to the bending backrush of ribbon end.

Description

The end backrush of belt-strap, sewing device

Technical field

The utility model belongs to safety belt Automated assembly field, is related to end backrush, the sewing of a kind of belt-strap Device.

Background technology

With automobile increasingly facilitation, the demand of automobile will also have tremendous growth, and auto-parts industry also will Continue to keep stable development situation.Safety belt is as parts key in safety guard for automobile, and demand is not yet Disconnected growth.A set of passive safety system that safety belt is made of components such as belt-strap, coiler, eye-splice, plates, Middle belt-strap end is locked at by a band needle fixation in coiler, realizing that belt-strap and the fixed of coiler connect It connects.

The end of belt-strap is usually wrapped in needle, and passes through process of sewing and is limited in belt-strap On, subsequently to be assembled with coiler.However current belt-strap and assembling process with a needle, mostly using manual feeding, people Work assembles, therefore to be solved to meet industry there is the problems such as production efficiency is low, product processing quality consistency is poor, having The demand of metaplasia production.

Utility model content

The utility model is directed to problems of the prior art, provides a kind of high degree of automation, production efficiency height, production The end backrush for the belt-strap that quality is stablized, sewing device.

A kind of end backrush of safety belt, sewing device including ribbon positioning bending mechanism, send band shift mechanism, ribbon Sewing mechanism and with needle discharge mechanism, wherein, it send with shift mechanism, ribbon positioning bending mechanism is arranged on needle discharge mechanism Top, ribbon sewing mechanism are arranged on the left side of ribbon positioning bending mechanism, and band needle discharge mechanism will be pressed with needle in former ribbon On, ribbon positions bending mechanism the end bending backrush of former ribbon that will get up to form new ribbon with needle winding, and band is sent to shift Mechanism brings new ribbon to ribbon sewing mechanism, and overlapping end to the ribbon of new ribbon end by ribbon sewing mechanism stitches It closes.

Bending mechanism is positioned by ribbon in the utility model, send band shift mechanism, ribbon sewing mechanism and with needle feeding machine Structure cooperation makes belt-strap with realizing motorization assembly with needle, can be automatically to the bending backrush of ribbon end, without artificial blowing Feeding so as to improve production efficiency, reduces production cost.

The utility model Central Plains ribbon is for knocked-down straight ribbon, and new ribbon is to wrap ribbon with a needle to have rolled up, There is generally cylindrical ribbon volume needle end and the flat ribbon of backrush clout formation to overlap end for its end.

Further, ribbon positioning bending mechanism includes bending supporting rack, ribbon support plate, ribbon positioning component and ribbon Foldable component, wherein ribbon support plate are fixed on above bending supporting rack, and ribbon positioning component and ribbon foldable component are arranged on The lower section of ribbon support plate, ribbon positioning component are located at the left side of ribbon foldable component.It is positioned in the utility model by ribbon Component and the cooperation limiting of ribbon foldable component receive the end of former ribbon, and ribbon is with uniformity to expecting, then pinpoints bending, from And ensure that the new ribbon processing of same model is consistent, improve the quality of production.

Further, bending opening is offered in ribbon support plate；Ribbon positioning component includes band edge limited block and driving The limited block that band edge limited block moves up and down drives upside down part, the limited block that driving band edge limited block moves left and right or so driving Part；The folded block that ribbon foldable component includes ribbon folded block and ribbon folded block is driven to move up and down drives upside down part, driving The folded block that ribbon folded block moves left and right or so actuator；Wherein band edge limited block, ribbon folded block may pass through bending opening Above and below carrying out, move left and right.Band edge limited block, ribbon folded block can be driven by actuator on direction up and down and moved, Position is flexible, can more automate effectively completion rising backgauge, bending, decline and leave blank for moving the action expected, while band edge limiting Block, the left and right directions position of ribbon folded block is adjustable, and the bending degree of corresponding ribbon end also can adjust, and so accordingly fit It is applied widely for the safety belt of more polytypic length, it is highly practical.Ribbon folded block is pushed up upper, move to right, pushed, a system Row act so that the end of former ribbon is bent over, and mechanical action is ingenious in design, without human intervention.

Further, belt sensor is also equipped on band edge limited block, the left end of ribbon folded block is equipped with sensing and houses Slot can be accommodated in belt sensor to band induction end in sensing storage tank.To the setting of belt sensor, this is further improved The degree of automation of utility model equipment makes ribbon be sensed to material, basis is provided for subsequent ribbon backrush bending, and then Improve the reliability of integral device.

Further, the vertical section of ribbon folded block is in " ┏ " type, and the lower right corner forms bending slot, and bending slot has bending Slot side and bending groove top face, wherein bending groove top face are for inclined-plane diagonally downward.Bending slot can be effectively by former ribbon End bending backrush forms ribbon winding morphing effects with a needle, and the ribbon volume needle end of new ribbon is accommodated in bending slot, so as to Band needle is not easily disconnected from.In addition, bending groove top face is for inclined-plane diagonally downward, can ensure the end to be sewed of former ribbon can obtain Push without tilting, make with it is former ribbon is parallel is affixed, so as to further limit position with a needle, band is sent to shift carry to be subsequent For reliable basis.

Further, the auxiliary pressure component of ribbon is additionally provided with above ribbon positioning bending mechanism, including auxiliary press frame, compression bar With the auxiliary pressure actuator that driving drive compression bar moves up and down on auxiliary press frame.The auxiliary pressure component of ribbon can ensure former ribbon end Portion's original ribbon when being bent over will not shift, and ensure the reliable and stable of bending rolling back action.

Further, band shift mechanism is sent to include sending band fixed plate, entrainment component, entrainment component send band solid by being mounted on Send band actuator driving that it is driven to move left and right on fixed board.Entrainment component can move back and forth, to pinch new ribbon to sewing Station.

Further, entrainment component includes moving down on displacement bottom plate, entrainment support plate, ribbon briquetting and driving ribbon briquetting Dynamic briquetting drives upside down part, the briquetting that driving ribbon briquetting moves left and right or so actuator, wherein solid on rear side of entrainment support plate It is scheduled on displacement bottom plate, briquetting or so actuator is mounted on the upper end of displacement bottom plate, and movable end drives up and down towards a left side and with briquetting Moving part is fixed, and briquetting drives upside down the movable end of part downward and passes through a briquetting connecting plate and is fixedly connected with ribbon briquetting right end； Entrainment support plate can horizontally slip above ribbon support plate and along ribbon support plate；Ribbon briquetting is in entrainment support plate Top, new ribbon, which is between ribbon briquetting and entrainment support plate, to be clamped by band actuator driving is sent to drive displacement.Ribbon pressure New ribbon is clamped in block and entrainment support plate overall co-ordination, it is made to be moved above it relative to ribbon support plate, so as to more Good ribbon of clamping completes transfer.

Further, it carries secretly and a binder baffle is also set up in support plate, tiltedly upper tilt forms forward (FWD) lead angle to right end.Such as This, former ribbon is located between binder baffle and entrainment support plate, preferably it is limited, convenient for the bending of former ribbon end Backrush, forward (FWD) lead angle can preferably be oriented to former ribbon and enter in the space between binder baffle and entrainment support plate, avoid getting stuck.

Further, ribbon sewing mechanism includes sewing machine and presser feet bottom plate, can with left and right presser feet wherein on sewing machine The ribbon volume needle end and ribbon for being pressed respectively against new ribbon are overlapped on end；The bottom of wherein left presser feet is equipped with arc indent, arc pressure Slot, which can cover, to be pressed on ribbon volume needle end.Arc indent corresponds to the outer contour shape at ribbon volume needle end, can more securely push down and knit Band volume needle end, so as to improve the reliability of sewing machine sewing process.

In the utility model, after former ribbon end enters ribbon positioning bending mechanism by sensing in place to belt sensor, band Needle discharge mechanism will press on former ribbon with needle, and ribbon positions bending mechanism the end bending backrush of former ribbon with will be with needle Winding gets up to form new ribbon, send band shift mechanism that new ribbon is brought to ribbon sewing mechanism, by ribbon sewing mechanism to new The ribbon of ribbon end overlaps end and is sutured.Whole process is ingenious in design, and process is reasonable, and good product consistency is also applicable to In the safety belt of different model style, application range is wider.The utility model positions bender compared with prior art, by ribbon Structure send band shift mechanism, ribbon sewing mechanism and makes belt-strap with realizing machinery makeup with needle with the cooperation of needle discharge mechanism Match, without artificial blowing feeding, so as to improve production efficiency, production cost, production can be reduced automatically to the bending backrush of ribbon end Quality is more secure.

Description of the drawings

Fig. 1 be the end backrush of belt-strap in the utility model embodiment, sewing device structure diagram.

Fig. 2 is the structure diagram of belt-strap end backrush part in the utility model embodiment.

Fig. 3 is the structure diagram of ribbon positioning bending mechanism in the utility model embodiment.

Fig. 4 is the structure diagram of band edge limited block and ribbon folded block in the utility model embodiment.

Fig. 5 is the front view of ribbon folded block in the utility model embodiment.

Fig. 6 be in the utility model embodiment ribbon folded block to the movement decomposition schematic diagram of former ribbon bending backrush.

Fig. 7 is that the structure diagram with shift mechanism is sent in the utility model embodiment.

Fig. 8 is the enlarged drawing of part A in Fig. 7.

Fig. 9 is the structure diagram of ribbon sewing mechanism in the utility model embodiment.

Figure 10 is the structure diagram of left presser feet in ribbon sewing mechanism in the utility model embodiment.

Figure 11 is design sketch when left presser feet and right presser feet push down new ribbon in the utility model embodiment.

Specific embodiment

In order to be easy to understand technical means, creative features, achievable purpose and effectiveness of the utility model, with The end backrush of lower 1 to 11 pair of belt-strap provided by the utility model of embodiment combination attached drawing, sewing device work are specifically explained It states.

As shown in Figure 1, a kind of end backrush of belt-strap, sewing device, including rack 00 and are arranged on rack Ribbon on 00 positions bending mechanism 1, send band shift mechanism 2, ribbon sewing mechanism 3 and with needle discharge mechanism 4, wherein, send band Shift mechanism 2, the top that ribbon positioning bending mechanism 1 is acted predominantly on needle discharge mechanism 4, ribbon sewing mechanism 3 are arranged on Ribbon positions the left side of bending mechanism 1.Ribbon cache shelf 7 is additionally provided on the right of ribbon positioning bending mechanism 1, is held for caching Connect the former ribbon cut.Ribbon placement plate 6 is additionally provided in the front of ribbon positioning bending mechanism 1, when new ribbon is sewed, A relatively stable support area is provided to be driven mobile new ribbon, new ribbon is avoided to fall, influences sewing quality.

After former 01 end of ribbon enters ribbon positioning bending mechanism 1, band needle discharge mechanism 4 will be pressed with needle 02 in former ribbon On 01, ribbon positions end bending backrush of the bending mechanism 1 former ribbon 01 will get up to be formed new ribbon 03 with 02 winding of needle, Band shift mechanism 2 is sent to be knitted at new ribbon 03 band to ribbon sewing mechanism 3 by ribbon sewing mechanism 3 to new 03 end of ribbon Band overlaps end and is sutured.

As shown in fig. 6, knocked-down straight ribbon is defined as former ribbon 01, the ribbon definition wrapped with needle 02 will have been rolled up For new ribbon 03, the end of new ribbon 03 has a generally cylindrical ribbon volume needle end 031 and backrush clout formed it is flat Ribbon overlap end 032.

In the present embodiment, as shown in Fig. 2, including driving before and after band needle cement emptying rack 41, band needle blowing with needle discharge mechanism 4 Part 42, band needle blowing drive upside down part 43 and with needle gripping finger 44.After 44 folding gripping band needle 02 of band needle gripping finger, before band needle blowing The driving of actuator 42 is sent to ribbon positioning bending mechanism 1 top afterwards, after former ribbon 01 in place after, band needle blowing drives upside down part 43 Driving band needle gripping finger 44 declines, and will be pressed on ribbon with needle 02, and after the end backrush of former ribbon 01 encases band needle 02, band needle presss from both sides Refer to 44 open, rise, after be moved back into original position, repeat feeding blowing action.

As shown in Fig. 3,4,5, ribbon positioning bending mechanism 1 includes bending supporting rack 11, ribbon support plate 12, ribbon positioning Component 13 and ribbon foldable component 14, wherein ribbon support plate 12 are fixed on above bending supporting rack 11, ribbon positioning component 13 The lower section of ribbon support plate 12 is arranged on ribbon foldable component 14, ribbon positioning component 13 is located at a left side for ribbon foldable component 14 Side.

Bending opening 121 is offered in ribbon support plate 12；Ribbon positioning component 13 includes band edge limited block 131 and driving The limited block that the limited block that band edge limited block 131 moves up and down drives upside down part 132, driving band edge limited block 131 moves left and right Left and right actuator 133；The folding that ribbon foldable component 14 includes ribbon folded block 141 and ribbon folded block 141 is driven to move up and down Curved piece drives upside down part 142, the folded block that driving ribbon folded block 141 moves left and right or so actuator 143；Wherein band edge limits Block 131, ribbon folded block 141 may pass through above and below 121 progress of bending opening, move left and right.

Belt sensor 15 is also equipped on band edge limited block 131, the left end of ribbon folded block 141 is equipped with sensing and houses Slot 1411 can be accommodated in belt sensor 15 to band induction end 151 in sensing storage tank 1411, be located to band induction end 151 The lower section of 131 upper surface of band edge limited block.

Band edge limited block 131, ribbon folded block 141 can be driven by actuator on direction up and down and moved, position Flexibly, effectively completion rising backgauge, bending, decline can be more automated to leave blank for moving the action expected, while band edge limited block 131st, the left and right directions position of ribbon folded block 141 is adjustable, and the clamping blowing site with needle 02 immobilizes, and variable is that original is knitted It is applied widely so as to require to make the new ribbon of different backrush degree according to different model with 01 end position, it is real It is strong with property.Ribbon folded block 141 is pushed up upper, move to right, pushed, and a series of actions causes the end of former ribbon to be bent over, mechanization Movements design is ingenious, without human intervention.

The vertical section of ribbon folded block 141 is in " ┏ " type, and the lower right corner forms bending slot 1412, and bending slot 1412 has folding Curved groove side 1413 and bending groove top face 1414, wherein bending groove top face 1414 are for inclined-plane diagonally downward.Bending slot vertical plane 1413 and the intersection in bending groove top face 1414 be set as the bending slot interface 1415 of arc.Bending slot 1412 can effectively by The end bending backrush of former ribbon 01 forms ribbon winding morphing effects with a needle, and the ribbon volume needle end 031 of new ribbon 03 is accommodating In bending slot 1412, so as to be not easily disconnected from needle 02.In addition, bending groove top face 1414 is for inclined-plane diagonally downward, can protect End sew of the former ribbon 01 of barrier can obtain pushing without tilting, and make that ribbon is parallel is affixed with original, so as to further limit Position with needle 02 send band displacement to provide reliable basis to be subsequent.

Band edge limited block 131, ribbon folded block 141 in a state of nature when, the upper surface of ribbon folded block 141 substantially with Maintain an equal level above ribbon support plate 12, band edge limited block 131 and ribbon folded block 141 are close, and band sense is arrived to belt sensor 15 151 should be held to be accommodated in sensing storage tank 1411, it is big to the upper surface with induction end 151 and the upper surface of ribbon folded block 141 It causes to maintain an equal level.

As shown in Fig. 2,7,8, send and include sending band fixed mounted on 1 rear of ribbon positioning bending mechanism with shift mechanism 2 Plate 21, entrainment component 23, entrainment component 23 drive it left with sending in fixed plate 21 by being mounted on to send with the driving of actuator 22 It moves right.Entrainment component 23 includes moving down on displacement bottom plate 24, entrainment support plate 25, ribbon briquetting 26 and driving ribbon briquetting 26 Dynamic briquetting drives upside down part 27, the briquetting that driving ribbon briquetting 26 moves left and right or so actuator 28, wherein carrying support plate secretly 25 rear sides are fixed on displacement bottom plate 24, and briquetting or so actuator 28 is mounted on the upper end of displacement bottom plate 24, and movable end is towards a left side And drive upside down part 27 with briquetting and fix, briquetting drive upside down the movable end of part 27 downward and pass through a briquetting connecting plate 261 with 26 right end of ribbon briquetting is fixedly connected；Support plate 25 is carried secretly in п shapes, can be supported above ribbon support plate 12 and along ribbon Plate 12 horizontally slips；Ribbon briquetting 26 is in the top of entrainment support plate 25, and new ribbon 03 is in ribbon briquetting 26 and entrainment branch It is clamped between fagging 25 by sending band actuator 22 that drive is driven to shift.

A binder baffle 29 is also set up in entrainment support plate 25, parallel with entrainment support plate 25, right end is tiltedly upper to tilt shape Into forward (FWD) lead angle 291.Binder baffle 29 is in the lower section of briquetting connecting plate 261, close to the position of ribbon briquetting 26.

The auxiliary pressure component 5 of ribbon is additionally provided in the top of ribbon positioning bending mechanism 1, including auxiliary press frame 51, compression bar 53 With the auxiliary pressure actuator 52 that driving drive compression bar 53 moves up and down on auxiliary press frame 51.The lower end of compression bar 53 is also connected with one Rod end pressure point 54 is for flexible glue, protects ribbon, not hard contact.

As shown in figure 3, ribbon guidance set 16 is also equipped in ribbon support plate 12, including being oriented to 161 He of bottom pad plate Band side shield 162 is sent, bottom pad plate 161 is oriented to and is fixed on the right side of ribbon support plate 12, band side shield 162 is sent to be fixed on and is led To the both sides of bottom pad plate 161.When such ribbon enters positioning bending station, entrainment support is served by the guiding of ribbon guidance set 16 Plate 25, and enter between binder baffle 29 and entrainment support plate 25, without artificial feeding.

With reference to shown in Fig. 2,3, be to send the entrainment component 23 with shift mechanism 2 in a state of nature, i.e., rightmost when Schematic layout pattern.The right end for carrying support plate 25 secretly offsets with being oriented to 161 left end of bottom pad plate, and the plane for carrying support plate 25 secretly is high Degree substantially maintains an equal level with being oriented to the level of bottom pad plate 161, and such ribbon smoothly descent can pass through ribbon from ribbon cache shelf 7 Guidance set 16 is transitioned into entrainment support plate 25.Ribbon briquetting 26 is in the surface of entrainment 25 left end of support plate, and band needle presss from both sides Refer to 44 to be located between entrainment support plate 25 and ribbon folded block 141, band edge limited block 131 is then located at a left side for ribbon folded block 141 Side.And the compression bar 53 of the auxiliary pressure component 5 of ribbon is located at the vacancy of binder baffle 29（It is not shown in figure）Top, for ribbon Binder.

Fig. 7 is for state when sending the entrainment component 23 with shift mechanism 2 new ribbon 03 is taken to Far Left.

As shown in figs. 9-11, ribbon sewing mechanism 3 includes sewing machine 31 and presser feet bottom plate 32, is wherein carried on sewing machine 31 Left and right presser feet 33,34 can be pressed respectively against the ribbon volume needle end 031 of new ribbon 03 and ribbon is overlapped on end 032；Wherein left presser feet 33 Bottom be equipped with arc indent 331, arc indent 331, which can cover, to be pressed on ribbon volume needle end 031.

Sewing machine 31 be in itself for commonly used equipment, containing left and right presser feet 33,34, they can by 31 internal drive of sewing machine its It moves up and down.

When sewing machine 31 is sewed, the end of new ribbon 03 is crimped between left and right presser feet 33,34 and presser feet bottom plate 32, Aforementioned overall structure is driven all around to move by 31 internal drive of sewing machine, sewing needle knitting between left and right presser feet 33,34 Band intersection is sutured.

The bottom surface of right presser feet 34 can be equipped with ripple glaze, to increase pressure zone frictional force, make new ribbon 03 by band with respect to plane It moves and is not easily disconnected from when all around moving, ensure consistency, the stability of sewing result.

Material inductor 35 is additionally provided on the right side of sewing machine 31, presser feet bottom plate 32 is equipped with the inspection for sewing thread further below Survey device 36.For detecting the color of clout and line.

The end backrush of belt-strap in the present embodiment, sewing device, the following is specific action process.

1st, band edge limited block 131, ribbon folded block 141, entrainment component 23 are in aforementioned reset condition.

2nd, former ribbon 01 serves entrainment support plate 25, and enter from ribbon cache shelf 7 along by the guiding of ribbon guidance set 16 Between binder baffle 29 and entrainment support plate 25, always along entrainment support plate 25 reach 141 upper surface of ribbon folded block and with band End limited block 131 offsets, and senses material to belt sensor 15, band edge limited block 131 will be moved to left, be dropped to no more than ribbon support The position of plane on plate 12 reserves the motion space of ribbon folded block 141 and subsequent shipper pole space.

3rd, ribbon folded block 141 starts to carry out bending backrush to former ribbon 01, during this period, the pressure of the auxiliary pressure component 5 of ribbon Bar 53 declines, and rod end pressure point 54 is pressed on the ribbon in entrainment support plate 25.It is for ribbon folded block 141 from top to bottom in Fig. 6 Action effect schematic diagram.Figure A is that former ribbon 01 reaches 141 upper surface of ribbon folded block.Figure B is that band needle 02 is pressed from both sides by band needle gripping finger 44 It holds and is placed on former ribbon 01.Figure C is that long rise jacks up former 01 end of ribbon on ribbon folded block 141.It is ribbon folded block to scheme D 141 move to right former 01 end bending of ribbon.It is that ribbon folded block 141 pushes to scheme E, and former 01 end of ribbon includes band needle 02 and formed back Effect is rolled up, forms new ribbon 03, the ribbon volume needle end 031 of new ribbon 03 is accommodated in bending slot 1412.（Scheme C and scheme the action of D It can be carried out at the same time）

4th, band needle gripping finger 44, which is decontroled band needle 02 and risen, is back to original position, and compression bar 53 rises, and ribbon briquetting 26 declines and entrainment Support plate 25 coordinates the ribbon for clamping new ribbon 03 to overlap end 032, as shown in Figure 8.Ribbon folded block 141 rises, moves to left decline Return to the state that plane maintains an equal level in ribbon support plate 12, concede entrainment component 23 and send carrying space.

5th, entrainment component 23 is by sending the band driving of actuator 22 that it is driven to be moved to the left along ribbon support plate 12, until newly knitting The lower section of left and right presser feet 33,34 is reached with 03 end, left and right presser feet 33,34, which is in lift, at this time treats working condition.Then Ribbon briquetting 26 is moved to right, is risen, and left and right presser feet 33,34 pushes, and pushes down ribbon volume needle end 031 respectively and ribbon overlaps end 032, Sewing machine 31 is started to work, and the ribbon intersection between left and right presser feet 33,34 sutures.

6th, entrainment component 23 is whole return back to home position, and band edge limited block 131 rises, moves to right and ribbon folded block 141 It is close, wait for splicing.

The utility model compared with prior art, by ribbon positioning bending mechanism 1, send band shift mechanism 2, ribbon sewing machine Structure 3 and with needle discharge mechanism 4 cooperation make belt-strap with needle realize motorization assembly, can automatically to the bending of ribbon end return Volume without artificial blowing feeding, so as to improve production efficiency, reduces production cost, product quality is more secure.

It these are only the utility model preferred embodiment, not thereby limit the embodiment and protection of the utility model Range to those skilled in the art, should can appreciate that all with the utility model specification and diagramatic content institute The equivalent replacement made and obviously change obtained scheme, the scope of protection of the utility model should all be included in It is interior.

Claims (10)

1. the end backrush of belt-strap, sewing device, which is characterized in that position bending mechanism including ribbon（1）, send band move Position mechanism（2）, ribbon sewing mechanism（3）With band needle discharge mechanism（4）, wherein, send band shift mechanism（2）, band needle discharge mechanism （4）It is arranged on ribbon positioning bending mechanism（1）Top, ribbon sewing mechanism（3）It is arranged on ribbon positioning bending mechanism（1）'s The left side, band needle discharge mechanism（4）It will be with needle（02）It presses in former ribbon（01）On, ribbon positioning bending mechanism（1）Former ribbon （01）End bending backrush with will be with needle（02）Winding gets up to form new ribbon（03）, send band shift mechanism（2）By new ribbon （03）Band is to ribbon sewing mechanism（3）Place, by ribbon sewing mechanism（3）To new ribbon（03）The ribbon of end overlaps end and is stitched It closes.

2. the end backrush of belt-strap as described in claim 1, sewing device, which is characterized in that ribbon positions bending Mechanism（1）Including bending supporting rack（11）, ribbon support plate（12）, ribbon positioning component（13）With ribbon foldable component（14）, Wherein ribbon support plate（12）It is fixed on bending supporting rack（11）Above, ribbon positioning component（13）With ribbon foldable component（14） It is arranged on ribbon support plate（12）Lower section, ribbon positioning component（13）Positioned at ribbon foldable component（14）Left side.

3. the end backrush of belt-strap as claimed in claim 2, sewing device, which is characterized in that ribbon support plate （12）On offer bending opening（121）；Ribbon positioning component（13）Including band edge limited block（131）With driving band edge limited block （131）The limited block moved up and down drives upside down part（132）, driving band edge limited block（131）Limited block moved left and right or so Actuator（133）；Ribbon foldable component（14）Including ribbon folded block（141）With driving ribbon folded block（141）It moves up and down Folded block drive upside down part（142）, driving ribbon folded block（141）Folded block moved left and right or so actuator（143）；Its Middle band edge limited block（131）, ribbon folded block（141）It may pass through bending opening（121）Above and below carrying out, move left and right.

4. the end backrush of belt-strap as claimed in claim 3, sewing device, which is characterized in that band edge limited block （131）On be also equipped with belt sensor（15）, ribbon folded block（141）Left end be equipped with sensing storage tank（1411）, to band Sensor（15）Arrive band induction end（151）Sensing storage tank can be accommodated in（1411）It is interior.

5. the end backrush of belt-strap as claimed in claim 3, sewing device, which is characterized in that ribbon folded block （141）Vertical section in " ┏ " type, the lower right corner forms bending slot（1412）, bending slot（1412）With bending slot side （1413）With bending groove top face（1414）, wherein bending groove top face（1414）It is for inclined-plane diagonally downward.

6. the end backrush of belt-strap as described in claim 1, sewing device, which is characterized in that ribbon positions bending Mechanism（1）Top be additionally provided with the auxiliary pressure component of ribbon（5）, including auxiliary press frame（51）, compression bar（53）With mounted on auxiliary press Frame（51）Upper driving drives compression bar（53）The auxiliary pressure actuator moved up and down（52）.

7. the end backrush of belt-strap as claimed in claim 2, sewing device, which is characterized in that send band shift mechanism （2）Including sending band fixed plate（21）, entrainment component（23）, carry component secretly（23）Band fixed plate is sent by being mounted on（21）On give Band actuator（22）Driving drives it to move left and right.

8. the end backrush of belt-strap as claimed in claim 7, sewing device, which is characterized in that entrainment component（23） Including shifting bottom plate（24）, entrainment support plate（25）, ribbon briquetting（26）With driving ribbon briquetting（26）The briquetting moved up and down Drive upside down part（27）, driving ribbon briquetting（26）Briquetting moved left and right or so actuator（28）, wherein carrying support plate secretly （25）Rear side is fixed on displacement bottom plate（24）On, briquetting or so actuator（28）Mounted on displacement bottom plate（24）Upper end, live Moved end drives upside down part towards a left side and with briquetting（27）Fixed, briquetting drives upside down part（27）Movable end downward and pass through a briquetting Connecting plate（261）With ribbon briquetting（26）Right end is fixedly connected；Carry support plate secretly（25）In ribbon support plate（12）Above simultaneously It can be along ribbon support plate（12）It horizontally slips；Ribbon briquetting（26）In entrainment support plate（25）Top, new ribbon（03）Place In ribbon briquetting（26）With entrainment support plate（25）Between be clamped by send band actuator（22）Driving drives displacement.

9. the end backrush of belt-strap as claimed in claim 8, sewing device, which is characterized in that entrainment support plate （25）On also set up a binder baffle（29）, tiltedly upper tilt forms forward (FWD) lead angle to right end（291）.

10. the end backrush of belt-strap as described in claim 1, sewing device, which is characterized in that ribbon sewing mechanism （3）Including sewing machine（31）With presser feet bottom plate（32）, wherein sewing machine（31）It is upper to carry left and right presser feet（33、34）It can press respectively In new ribbon（03）Ribbon volume needle end（031）End is overlapped with ribbon（032）On；Wherein left presser feet（33）Bottom be equipped with arc Indent（331）, arc indent（331）It can cover and be pressed in ribbon volume needle end（031）On.