CN108049033A - A kind of automatic sensing is broken the hemming sewing machine of bound edge and bottom surface line - Google Patents

A kind of automatic sensing is broken the hemming sewing machine of bound edge and bottom surface line Download PDF

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Publication number
CN108049033A
CN108049033A CN201810082531.8A CN201810082531A CN108049033A CN 108049033 A CN108049033 A CN 108049033A CN 201810082531 A CN201810082531 A CN 201810082531A CN 108049033 A CN108049033 A CN 108049033A
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China
Prior art keywords
seat
cutter
sewing machine
casing
line
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CN201810082531.8A
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Chinese (zh)
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CN108049033B (en
Inventor
叶国宝
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叶国宝
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Priority to CN201810082531.8A priority Critical patent/CN108049033B/en
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Classifications

    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B1/00General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
    • D05B1/08General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both for making multi-thread seams
    • D05B1/18Seams for protecting or securing edges
    • D05B1/20Overedge seams
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B37/00Devices incorporated in sewing machines for slitting, grooving, or cutting
    • D05B37/04Cutting devices
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B55/00Needle holders; Needle bars
    • D05B55/14Needle-bar drives
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B65/00Devices for severing the needle or lower thread
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B69/00Driving-gear; Control devices
    • D05B69/10Electrical or electromagnetic drives
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05DINDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
    • D05D2207/00Use of special elements
    • D05D2207/05Magnetic devices
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05DINDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
    • D05D2209/00Use of special materials
    • D05D2209/08Use of special materials elastic, e.g. rubber spring

Abstract

Break the hemming sewing machine of bound edge and bottom surface line the present invention provides a kind of automatic sensing, belongs to sewing device manufacturing technology field.It solves the technical problems such as existing hemming sewing machine function is single, the degree of automation is low.This hemming sewing machine includes casing, main shaft and the shank that can be pumped, and main shaft is connected with clutch stent by connecting rod and clutch stent can be driven to pump;Casing is equipped with the cutter seat and lifting seat that can move up and down, is fixed with cutter by cutter mounting bracket on cutter seat, cutoff tool is fixed on lifting seat;The check lock lever that clutch stent can be connected with cutter seat is additionally provided on cutter seat;Lifting seat is equipped with the removable pin being inserted into cutter seat, and casing is equipped with the actuator of driving removable pin movement.Hemming sewing machine in the present invention automatically can cut off cloth edge, wrapping strip and bottom surface line using the power source of hemming sewing machine in itself, and pass through inductor and controller automatization control, efficient.

Description

A kind of automatic sensing is broken the hemming sewing machine of bound edge and bottom surface line
Technical field
The invention belongs to technical field of sewing equipment, are related to a kind of hemming sewing machine, and a kind of particularly automatic sensing is broken bag Side and the hemming sewing machine of bottom surface line.
Background technology
Hemming sewing machine is used to get up the edge overseam with certain thickness flexible fabric, not only makes this kind fabric more For beauty, and the intensity of fabric can be increased.Existing hemming sewing machine have backstitch automatically, automatic clamp, automatic poking line, The functions such as automatic needle-foot-lifting, due to being influenced by bound edge tap and funnel so that structure generates limitation and interference, common bound edge Sewing machine is all not provided with from dynamic circuit breaker wrapping strip, cuts bottom surface line and cut the functions such as cloth, use hemming sewing machine to cloth into , it is necessary to be trimmed manually to cloth during row over casting, after the over casting for completing sewing, it is also necessary to scissors manually to bag Edge strip and bottom surface line etc. are cut off, and complex procedures are time-consuming and laborious, and production automation degree is low, and efficiency is low.
China's patent (publication number:CN205077233U;Publication date:It is double 2016-03-09) to disclose a kind of lateral incision knife bound edge Including head of sewing machine and bottom plate, needle plate is provided on bottom plate for pin sewing machine for covering chain stitch, further include cutter movement separating mechanism, after Dragging wheel mechanism, over casting waste suction material mechanism, cutter movement separating mechanism and rear dragging wheel mechanism are upper with head of sewing machine respectively Axis connection, over casting waste suction material mechanism are arranged on bottom plate;Cutter movement separating mechanism include eccentric cam, swinging mounting, Balance staff, length adjustment connecting rod, cutter axle bed, cutter clutch spring, clutch crank stent, cutter clutch knob and cutter reset are pulled Hand, eccentric cam are sheathed on the upper axis of head of sewing machine, and eccentric cam is connected by balance staff crank one with balance staff, is covered on balance staff Equipped with balance staff stent, balance staff crank two, the other end and length of balance staff crank two are arranged on the center section balance staff of balance staff stent Degree adjusts one end connection of connecting rod, and the other end of length adjustment connecting rod is connected with cutter clutch crank, cutter clutch crank and from Close the connection of crank stent, clutch crank stent is fixed on by screw on cutter axle bed, cutter axle bed by cutter seat guide rod and Cutter seat bar is connected with cutter seat, and cutter axle bed is connected by slitter shaft with cutter clutch stent, is connected on the one side of cutter axle bed It is connected to cutter and resets spanner, the openend of cutter clutch crank is in contact with the sliding block being arranged on cutter clutch stent, cutoff knife rack It is connected by screw with cutter seat, cutter is connected on cutoff knife rack, cutter clutch spring is connected with the screw set on cutter seat.
Cutter in above patent document can only cut off bound edge cloth, and function is single, and automate journey during operation It spends low.
The content of the invention
The present invention provides the bag that a kind of automatic sensing breaks bound edge and bottom surface line for the above problem existing for existing technology Side sewing machine, the technical problems to be solved by the invention are:How multifunctionality and its automation of hemming sewing machine is improved Degree.
The purpose of the present invention can be realized by following technical proposal:
A kind of automatic sensing is broken the hemming sewing machine of bound edge and bottom surface line, can be transported including casing, main shaft and up and down reciprocatingly Dynamic shank, the shank lower end are installed with suture needle, which is characterized in that one end of the main shaft is equipped with eccentric wheel, the bias Wheel is equipped with connecting rod, and the upper end of the connecting rod is hinged with the eccentric wheel, and the lower end of the connecting rod is equipped with connecting seat, the company Clutch stent is connected on joint chair and the connecting rod can drive the clutch stent to pump;It is fixed on the casing There is vertical guide rod, the guide rod sliding sleeve is equipped with cutter seat, cutter mounting bracket is fixed on the cutter seat, described to cut Knife mounting bracket is fixed with cutter downwards;It is additionally provided on the clutch stent and loosens bar assembly, on the clutch stent With the plug-in unit being inserted into the cutter seat, the bar assembly of loosening includes that the plug-in unit being inserted into the cutter seat can be locked Check lock lever;Vertical lead is installed on the casing, lifting seat is arranged on the lead, is consolidated on the lifting seat It is connected with cutoff tool downwards;The lifting seat is equipped with the removable pin being inserted into the cutter seat and can make work The resetting spring that dynamic pin resets, the casing are equipped with the electromagnet and clutch plate for driving the removable pin movement;The bound edge Sewing machine further includes the controller that can control electromagnet action and the inductor that can sense cloth edge, the inductor with The controller electrical connection.
Its principle is as follows:Main shaft rotation drives the suture needle of shank and shank lower end, suture to pump and realizes seam It threads action, meanwhile, when needing to cut cloth edge, by promoting check lock lever so that clutch stent is combined binding with cutter seat, Main shaft rotate when by eccentric wheel, connecting rod and connecting seat drive clutch stent move back and forth up and down, and then drive cutter seat with And the cutter on cutter seat forms blanking movement, and cloth edge repair cutting, makes cloth edge smooth;Wrapping strip has been sewed Cheng Hou, then lifting seat moved by solenoid actuated removable pin is combined with cutter seat and bound realization and link, lifting seat and Cut end knife on lifting seat moves cut-out wrapping strip and bottom surface line with cutter seat.Hemming sewing machine in the present invention separately designs Cutter and cutoff tool can use the power source of hemming sewing machine in itself automatically to cloth edge, wrapping strip and bottom surface Line is cut off, feature-rich, improves the sewing efficiency of hemming sewing machine, and cutter and cutoff tool switch knot by clutch Structure facilitates control, will not generate interference, have it is simple in structure, it is easy to use, the advantages that without manually being trimmed.This technology Cut-out structure and clutch switching construction are not only devised in scheme, is also provided with the edge of inductor automatic sensing cloth, and it is anti- It feeds controller, solenoid actuated signal is given by controller, cut bound edge so as to realize automatically and cut the purpose of bottom surface line, without Manually to shutoff signal, and very accurate, high degree of automation is cut off, it is easy to use.
In the hemming sewing machine for breaking bound edge and bottom surface line in above-mentioned automatic sensing, the hemming sewing machine further includes bottom Plate, the bottom plate are equipped with push plate, and the inductor is fixed on for proximity sensor and the inductor in the push plate;Institute Inductor is stated to be located at the lower section of the connecting rod and set upward.It is moved forward by feeding after cloth and wrapping strip are in sewing, When cloth edge has just sheltered from proximity sensor, automatically determine wrapping strip position and cloth position on the same line, Illustrate that cloth edge and wrapping strip edge align, signal is fed back to controller by proximity sensor, and will be driven by controller Dynamic signal passes to electromagnet and then carries out shear action.
In the hemming sewing machine for breaking bound edge and bottom surface line in above-mentioned automatic sensing, limited block is installed on the casing, The limited block is equipped with vertical slideway, and the one side of the connecting seat has the bolt of protrusion, and described bolt one end is arranged with Sliding block, the sliding block slip are embedded in the slideway;The opposite side of the connecting seat is connected with the clutch stent;The machine Vertical stop collar is fixedly provided on shell, there is the limit shaft for sliding and being plugged in the stop collar on the clutch stent.It inserts Pin can only pump in slideway, when main shaft does compound motion by eccentric wheel drive link, by limiting connecting seat And the degree of freedom of connecting rod lower end so that it drives clutch stent to pump.
In the hemming sewing machine for breaking bound edge and bottom surface line in above-mentioned automatic sensing, the upper end of the guide rod and lead It is connected with casing, the lower end of the guide rod is bolted with supporting screw one, and helical spring one, institute are arranged on the guide rod The lower end for stating helical spring one is resisted against on the supporting screw one, and the upper end of the helical spring one is resisted against the cutter seat Bottom surface on;The lower end of the lead is bolted with supporting screw two, and helical spring two, the spiral shell are arranged on the lead The lower end of rotation spring two is resisted against on the supporting screw two, and the upper end of the helical spring two is resisted against the bottom of the lifting seat On face.Reset drives is carried out by helical spring one when cutter on cutter seat, cutter seat moves up;Lifting seat, lifting Reset drives is carried out by helical spring two when cutoff tool on seat moves up.
In the hemming sewing machine for breaking bound edge and bottom surface line in above-mentioned automatic sensing, the removable pin is laterally plugged in described There is the slot with one end face of the removable pin in lifting seat, on the cutter seat;The clutch plate passes through axial screw It is connected on casing, one end of the clutch plate and the output terminal of the electromagnet lean, the other end and the removable pin The other end leans.When controller sends shutoff signal to electromagnet, electromagnet core is carried forward movement, promotes clutch plate Rich axial screw rotary oscillation, clutch plate lower end promote removable pin inwardly to move so that removable pin inner end is stuck in pair of cutter seat It answers in slot.When main shaft rotation drive clutch stent moves downward, check lock lever is promoted manually so that clutch stent joins with cutter seat It is dynamic, and then lifting seat and cutoff tool is driven to move carry out cutoff action while to wrapping strip and bottom surface line downwardly together.
In the hemming sewing machine for breaking bound edge and bottom surface line in above-mentioned automatic sensing, being arranged on the axial screw can Make the torsional spring of the clutch sheet reset;The resetting spring is set on the removable pin.Further, the both ends of removable pin are stretched Go out outside lifting seat, removable pin has boss close to one end of clutch plate, and resetting spring resets bullet between boss and lifting seat The both ends of spring are born against on the side of boss and lifting seat.The reset of clutch plate and removable pin is led to respectively in the technical program Torsional spring and resetting spring are crossed to drive.After wrapping strip is cut off, electromagnet discharges suction by automatically controlled signal, and clutch plate leads to It crosses torsional spring to be resetted, after removable pin loses the external force effect of clutch plate, be resetted by resetting spring so that sewing trimming When cutoff tool can without movement.
In the hemming sewing machine for breaking bound edge and bottom surface line in above-mentioned automatic sensing, further respectively had on the casing vertical Guide rod one and guide rod two, the cutter seat be slidably located on the guide rod one, the lifting seat is slidably located in described lead On bar two.It so can further ensure stability that cutter seat, lifting seat, cutter and cutoff tool move up and down and can By property.
In the hemming sewing machine for breaking bound edge and bottom surface line in above-mentioned automatic sensing, the end of the main shaft is equipped with crank, The crank is connected with the shank and the shank can be driven to pump, between the upper and lower every respectively on the casing Rod set and low stem casing are installed with, the shank slip is plugged in the upper rod set and low stem casing.The action of shank also by Main shaft drives reduce power source, by the /V of upper rod set and low stem casing, keep the stability of shank sewing action and reliable Property.
In the hemming sewing machine for breaking bound edge and bottom surface line in above-mentioned automatic sensing, the casing is arranged on the bottom plate On, the bottom plate is equipped with edge wrapping apparatus, and the check lock lever is longitudinally disposed, and the cutter is located at the front side of the suture needle and inclined To the right positions of suture needle, the cutoff tool is located at the rear side of the suture needle.Cloth and wrapping strip are placed on, wrapping strip Pass through the effect of edge wrapping apparatus so that wrapping strip is unlocked and by cloth bag among wrapping strip, main shaft rotary motion, to its into Row sewing.
It is axial perpendicular to main shaft in horizontal plane using the main shaft axial direction of hemming sewing machine as " longitudinal direction " in the technical program The direction in direction is " transverse direction ";Using sewing machine towards the one side of operator as " front side ", opposite opposite side is " rear side ", i.e. cloth Material shifted to " rear side " from " front side " of sewing machine by feed dog on bottom plate, sewing machine towards the one side of head be " left side ", court It is " right side " to the one side of tail.
Compared with prior art, the hemming sewing machine in the present invention has the following advantages:
1st, the hemming sewing machine in the present invention has separately designed cutter and cutoff tool, can use hemming sewing machine in itself Power source cloth edge, wrapping strip and bottom surface line are cut off automatically, it is feature-rich, improve the seam of hemming sewing machine Efficiency processed, and cutter and cutoff tool facilitate control, will not generate interference by clutch switching construction, has simple in structure, makes With convenient, the advantages that without manually being trimmed.
2nd, the hemming sewing machine in the present invention not only devises cut-out structure and clutch switching construction, is also provided with inductor The edge of automatic sensing cloth, and controller is fed back to, solenoid actuated signal is given by controller, bag is cut so as to realize automatically Side and the purpose for cutting bottom surface line without manually giving shutoff signal, and cut off very accurate, high degree of automation, easy to use.
Description of the drawings
Fig. 1 is the positive structure diagram of this hemming sewing machine.
Fig. 2 is the internal structure schematic diagram of this hemming sewing machine.
Fig. 3 is the partial enlargement structural representation at A in Fig. 2.
Fig. 4 is the sectional perspective structure diagram one of this hemming sewing machine.
Fig. 5 is the sectional perspective structure diagram two of this hemming sewing machine.
Fig. 6 is the backsight structural representation of this hemming sewing machine.
Fig. 7 is the left view structural representation of this hemming sewing machine.
Fig. 8 is the working state structure schematic diagram of this hemming sewing machine.
In figure, 1, casing;2nd, main shaft;3rd, shank;4th, suture needle;5th, eccentric wheel;6th, connecting rod;7th, connecting seat;71st, bolt;8、 Clutch stent;81st, plug-in unit;82nd, limit shaft;9th, guide rod;10th, cutter seat;11st, cutter;12nd, lead;13rd, lifting seat; 14th, cutoff tool;15th, bar assembly is loosened;15a, check lock lever;16th, removable pin;17th, electromagnet;18th, limited block;18a, slideway;19、 Stop collar;20th, supporting screw one;21st, supporting screw two;22nd, helical spring one;23rd, helical spring two;24th, axial screw; 25th, clutch plate;26th, torsional spring;27th, resetting spring;28th, guide rod one;29th, guide rod two;30th, crank;31st, upper rod set;32nd, lower beam Set;33rd, bottom plate;34th, edge wrapping apparatus;35th, cutter mounting bracket;36th, sliding block;37th, inductor;38th, push plate;39th, cloth;40th, bound edge Item.
Specific embodiment
It is specific embodiments of the present invention and with reference to attached drawing below, technical scheme is further described, But the present invention is not limited to these embodiments.
As shown in Figures 1 to 8, this hemming sewing machine includes bottom plate 33, casing 1, main shaft 2 and can pump Shank 3, casing 1 are arranged on bottom plate 33, and bottom plate 33 is equipped with edge wrapping apparatus 34, and 3 lower end of shank is installed with suture needle 4, and the one of main shaft 2 End is equipped with eccentric wheel 5, and eccentric wheel 5 is equipped with connecting rod 6, and upper end and the eccentric wheel 5 of connecting rod 6 are hinged, and the lower end of connecting rod 6, which is equipped with, to be connected Joint chair 7 is connected with clutch stent 8 on connecting seat 7 and connecting rod 6 can drive clutch stent 8 to pump;It is solid on casing 1 Equipped with vertical guide rod 9,9 sliding sleeve of guide rod is equipped with cutter seat 10, and cutter mounting bracket 35, cutter are fixed on cutter seat 10 Mounting bracket 35 is fixed with cutter 11 downwards;It is additionally provided on clutch stent 8 and loosens bar assembly 15, had on clutch stent 8 There is the plug-in unit 81 in insertion cutter seat 10, loosening bar assembly 15 includes the lock that can lock the plug-in unit 81 being inserted into cutter seat 10 Tight bar 15a, check lock lever 15a are longitudinally disposed;Vertical lead 12 is installed on casing 1, lifting is arranged on lead 12 Seat 13 is fixed with cutoff tool 14 downwards on lifting seat 13;Cutter 11 is located at the front side of suture needle 4 and is inclined to suture needle 4 Right positions, cutoff tool 14 are located at the rear side of suture needle 4;Lifting seat 13 is equipped with 16 He of removable pin being inserted into cutter seat 10 Resetting spring 27, casing 1 are equipped with electromagnet 17 and the clutch plate 25 that driving removable pin 16 moves;Hemming sewing machine further includes energy The controller that electromagnet 17 acts enough is controlled to be electrically connected with the inductor 37 at 39 edge of cloth, inductor 37 can be sensed with controller It connects;Bottom plate 33 is equipped with push plate 38, and inductor 37 is fixed on for proximity sensor and inductor 37 in push plate 38;Inductor 37 It sets positioned at the lower section of connecting rod 6 and upward.Specifically, as shown in Figures 2 and 3, limited block 18, /V are installed on casing 1 Block 18 is equipped with vertical slideway 18a, and the one side of connecting seat 7 has the bolt 71 of protrusion, and 71 one end of bolt is arranged with sliding block 36, The slip of sliding block 36 is embedded in slideway 18a;The one side of connecting seat 7, which has to slide, is embedded the bolt 71 in slideway 18a, connecting seat 7 opposite side is connected with clutch stent 8;Vertical stop collar 19 is fixedly provided on casing 1, has to slide on clutch stent 8 and insert The limit shaft 82 being located in stop collar 19, bolt 71 can only pump in slideway 18a, and main shaft 2 is driven by eccentric wheel 5 When dynamic connecting rod 6 does compound motion, by the degree of freedom for limiting 6 lower end of connecting seat 7 and connecting rod so that it drives clutch stent 8 It pumps;As shown in Figure 6 and Figure 7, removable pin 16 is laterally plugged in lifting seat 13, is had and activity on cutter seat 10 The slot of one end face of pin 16;Connect the clutch plate 25 of above-mentioned bar shaped on casing 1 by axial screw 24, the one of clutch plate 25 The output terminal with electromagnet 17 is held to lean, the other end of the other end and removable pin 16 leans.When cloth 39 and wrapping strip 40 It is moved forward by feeding after sewing, when 39 edge of cloth has just sheltered from proximity sensor, automatically determines the position of cloth 39 It puts with the position of cutoff tool 14 on the same line, illustrates that 39 edge of cloth and 14 edge of cutoff tool align, proximity sensing Signal is fed back to controller by device, and drive signal is passed to electromagnet 17 by controller, and 17 iron core of electromagnet is carried forward Movement promotes clutch plate 25 to have mercy on 24 rotary oscillation of axial screw, and 25 lower end of clutch plate promotes removable pin 16 inwardly to move so that living Dynamic 16 inner end of pin is stuck in the correspondence slot of cutter seat 10.During use, the rotation of main shaft 2 drives crank 30 to rotate to drive The suture needle 4 of 3 lower end of shank 3 and shank, suture, which pump, realizes sewing action, meanwhile, when needing to cut cloth edge When, by promoting check lock lever 15a so that clutch stent 8 is combined binding with cutter seat 10, and main shaft 2 passes through eccentric wheel when rotating 5th, connecting rod 6 and connecting seat 7 drive clutch stent 8 to move back and forth up and down, and then drive on cutter seat 10 and cutter seat 10 Cutter 11 forms blanking movement, and 39 edge of cloth repair cutting, makes 39 edge of cloth smooth;The sewing of wrapping strip 40 is completed Afterwards, then by controller electromagnet 17 is controlled to act, driving removable pin 16 is moved is combined binding by lifting seat 13 with cutter seat 10 It realizes and links, the cutoff tool on lifting seat 13 and lifting seat 13 moves cut-out wrapping strip 40 and bottom surface line with cutter seat 10.
Further, as shown in Figure 5 and Figure 6, the upper end of guide rod 9 and lead 12 is connected with casing 1, guide rod 9 Lower end be bolted with supporting screw 1, helical spring 1 is arranged on guide rod 9, the lower end of helical spring 1 is resisted against On supporting screw 1, the upper end of helical spring 1 is resisted against on the bottom surface of cutter seat 10;The lower end of lead 12 is bolted with Supporting screw 2 21 is arranged with helical spring 2 23 on lead 12, and the lower end of helical spring 2 23 is resisted against supporting screw two On 21, the upper end of helical spring 2 23 is resisted against on the bottom surface of lifting seat 13;Cutter 11 on cutter seat 10, cutter seat 10 to Reset drives is carried out by helical spring 1 when upper mobile;When cutoff tool 14 on lifting seat 13, lifting seat 13 moves up Reset drives is carried out by helical spring 2 23.
As shown in fig. 7, the torsional spring 26 that can reset clutch plate 25 is arranged on axial screw 24;Above-mentioned resetting spring 27 It is set on removable pin 16, the both ends of removable pin 16 are stretched out outside lifting seat 13, and removable pin 16 has close to one end of clutch plate 25 Boss, between boss and lifting seat 13, the both ends of resetting spring 27 are born against in boss and lifting seat resetting spring 27 On 13 side, the reset of clutch plate 25 and removable pin 16 is driven respectively by torsional spring 26 and resetting spring 27;In wrapping strip After being cut off, electromagnet 17 discharges suction by automatically controlled signal, and clutch plate 25 is resetted by torsional spring 26, and removable pin 16 loses It after the external force of clutch plate 25 is gone to act on, is resetted by resetting spring 27 so that cutoff tool 14 can not be into during sewing trimming Row movement.
As shown in Figures 3 to 5, vertical guide rod 1 and guide rod 2 29 are further respectively had in the present embodiment on casing 1, is cut Tool apron 10 is slidably located on guide rod 1, and lifting seat 13 is slidably located on guide rod 2 29, so can further ensure The stability and reliability that cutter seat 10, lifting seat 13, cutter 11 and cutoff tool 14 move up and down;The end of main shaft 2 is set There is crank 30, crank 30 is connected with shank 3 and shank 3 can be driven to pump, between the upper and lower every solid respectively on casing 1 Equipped with upper rod set 31 and low stem casing 32, the slip of shank 3 is plugged in rod set 31 and low stem casing 32, the action of shank 3 also by Main shaft 2 drives, and reduces power source, by the /V of upper rod set 31 and low stem casing 32, keep 3 sewing action of shank stability and Reliability.
It is axial perpendicular to main shaft 2 in horizontal plane using 2 axial direction of main shaft of hemming sewing machine as " longitudinal direction " in the present embodiment The direction in direction is " transverse direction ";Using sewing machine towards the one side of operator as " front side ", opposite opposite side is " rear side ", i.e. cloth Material shifted to " rear side " from " front side " of sewing machine by feed dog on bottom plate 33, sewing machine towards the one side of head be " left side ", It is " right side " towards the one side of tail.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way Generation, but without departing from spirit of the invention or beyond the scope of the appended claims.
Although 1, casing is used more herein;2nd, main shaft;3rd, shank;4th, suture needle;5th, eccentric wheel;6th, connecting rod;7th, even Joint chair;71st, bolt;8th, clutch stent;81st, plug-in unit;82nd, limit shaft;9th, guide rod;10th, cutter seat;11st, cutter;12nd, lead Xiang Zhu;13rd, lifting seat;14th, cutoff tool;15th, bar assembly is loosened;15a, check lock lever;16th, removable pin;17th, electromagnet;18th, /V Block;18a, slideway;19th, stop collar;20th, supporting screw one;21st, supporting screw two;22nd, helical spring one;23rd, helical spring Two;24th, axial screw;25th, clutch plate;26th, torsional spring;27th, resetting spring;28th, guide rod one;29th, guide rod two;30th, crank;31、 Upper rod set;32nd, low stem casing;33rd, bottom plate;34th, edge wrapping apparatus;35th, cutter mounting bracket;36th, sliding block;37th, inductor;38th, push plate; 39th, cloth;40th, the terms such as wrapping strip, but it does not preclude the possibility of using other terms.The use of these items is only for More easily describe and explain the essence of the present invention;Being construed as any one of the additional limitations is all and present invention spirit It disagrees.

Claims (9)

  1. The hemming sewing machine of bound edge and bottom surface line 1. a kind of automatic sensing is broken, including casing (1), main shaft (2) and can be past up and down The shank (3) moved again, shank (3) lower end are installed with suture needle (4), which is characterized in that one end of the main shaft (2) is equipped with Eccentric wheel (5), the eccentric wheel (5) are equipped with connecting rod (6), and upper end and the eccentric wheel (5) of the connecting rod (6) are hinged, The lower end of the connecting rod (6) is equipped with connecting seat (7), and clutch stent (8) and the connecting rod (6) are connected on the connecting seat (7) The clutch stent (8) can be driven to pump;Vertical guide rod (9) is installed on the casing (1), it is described to lead Cutter seat (10) is equipped with to bar (9) sliding sleeve, cutter mounting bracket (35), the cutter installation are fixed on the cutter seat (10) Frame (35) is fixed with cutter (11) downwards;Be additionally provided on the clutch stent (8) and loosen bar assembly (15), it is described from The plug-in unit (81) for having on stent (8) and being inserted into the cutter seat (10) is closed, the bar assembly (15) of loosening includes to insert Enter the check lock lever (15a) of plug-in unit (81) locking in the cutter seat (10);Vertical lead is installed on the casing (1) (12), lifting seat (13) is arranged on the lead (12), cutoff tool downwards is fixed on the lifting seat (13) (14);The lifting seat (13) is equipped with the removable pin (16) being inserted into the cutter seat (10) and can make removable pin (16) resetting spring (27) resetted, the casing (1) be equipped with the electromagnet (17) that drives the removable pin (16) mobile and Clutch plate (25);The hemming sewing machine further includes the controller that electromagnet (17) can be controlled to act and can sense cloth (39) inductor (37) at edge, the inductor (37) are electrically connected with the controller.
  2. The hemming sewing machine of bound edge and bottom surface line 2. automatic sensing according to claim 1 is broken, which is characterized in that the bag Side sewing machine further includes bottom plate (33), and the bottom plate (33) is equipped with push plate (38), and the inductor (37) senses for proximity The device and inductor (37) is fixed in the push plate (38);The inductor (37) be located at the lower section of the connecting rod (6) and It sets upward.
  3. The hemming sewing machine of bound edge and bottom surface line 3. automatic sensing according to claim 2 is broken, which is characterized in that the machine It is installed with limited block (18) on shell (1), the limited block (18) is equipped with vertical slideway (18a), and the one of the connecting seat (7) Side has the bolt (71) of protrusion, and described bolt (71) one end is arranged with sliding block (36), and the sliding block (36) is slided and is embedded in institute It states in slideway (18a);The opposite side of the connecting seat (7) is connected with the clutch stent (8);It is also fixed on the casing (1) There is vertical stop collar (19), there is the limit shaft for sliding and being plugged in the stop collar (19) on the clutch stent (8) (82)。
  4. The hemming sewing machine of bound edge and bottom surface line 4. the automatic sensing according to Claims 2 or 3 is broken, which is characterized in that institute The upper end for stating guide rod (9) and lead (12) is connected with casing (1), and the lower end of the guide rod (9) is bolted with support spiral shell One (20) are followed closely, are arranged with helical spring one (22) on the guide rod (9), the lower end of the helical spring one (22) is resisted against institute It states on supporting screw one (20), the upper end of the helical spring one (22) is resisted against on the bottom surface of the cutter seat (10);It is described The lower end of lead (12) is bolted with supporting screw two (21), and helical spring two (23), institute are arranged on the lead (12) The lower end for stating helical spring two (23) is resisted against on the supporting screw two (21), the upper end of the helical spring two (23) against On the bottom surface of the lifting seat (13).
  5. The hemming sewing machine of bound edge and bottom surface line 5. automatic sensing according to claim 4 is broken, which is characterized in that the work Dynamic pin (16) is laterally plugged in the lifting seat (13), has one end with the removable pin (16) on the cutter seat (10) The slot of face;The clutch plate (25) is connected to casing (1) by axial screw (24), one end of the clutch plate (25) with The output terminal of the electromagnet (17) leans, and the other end and the other end of the removable pin (16) lean.
  6. The hemming sewing machine of bound edge and bottom surface line 6. automatic sensing according to claim 5 is broken, which is characterized in that the axis The torsional spring (26) that can reset the clutch plate (25) is arranged on position screw (24);The resetting spring (27) is set in work On dynamic pin (16).
  7. The hemming sewing machine of bound edge and bottom surface line 7. automatic sensing according to claim 3 is broken, which is characterized in that the machine Further respectively have vertical guide rod one (28) and guide rod two (29) on shell (1), the cutter seat (10) is slidably located in described lead On bar one (28), the lifting seat (13) is slidably located on the guide rod two (29).
  8. The hemming sewing machine of bound edge and bottom surface line 8. automatic sensing according to claim 3 is broken, which is characterized in that the master The end of axis (2) is equipped with crank (30), and the crank (30) is connected with the shank (3) and can drive the shank (3) It pumps, between the upper and lower every being installed with upper rod set (31) and low stem casing (32), the shank respectively on the casing (1) (3) slide and be plugged in the upper rod set (31) and low stem casing (32).
  9. The hemming sewing machine of bound edge and bottom surface line 9. automatic sensing according to claim 3 is broken, which is characterized in that the machine Shell (1) is arranged on the bottom plate (33), and the bottom plate (33) is equipped with edge wrapping apparatus (34), and the check lock lever (15a) is along longitudinal direction It sets, the cutter (11) is located at the front side of the suture needle (4) and is inclined to the right positions of suture needle (4), the cutoff tool (14) it is located at the rear side of the suture needle (4).
CN201810082531.8A 2018-01-29 2018-01-29 Overedging sewing machine capable of automatically sensing broken overedging and bottom surface thread Active CN108049033B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108049033B (en) * 2018-01-29 2020-09-25 叶国宝 Overedging sewing machine capable of automatically sensing broken overedging and bottom surface thread

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JP3115907B2 (en) * 1991-07-15 2000-12-11 株式会社鈴木製作所 Sewing machine drive mechanism
CN101503846A (en) * 2008-02-08 2009-08-12 大和缝纫机制造株式会社 Driving device for cutter of sewing machine
CN202705684U (en) * 2012-07-06 2013-01-30 宁波市鄞州高桥华盛机械电器厂 Clutch device of independent double needle rod driver of quilting machine
CN105113131A (en) * 2015-09-16 2015-12-02 西安标准工业股份有限公司 Side cutter binding double-needle lockstitch sewing machine
CN106948100A (en) * 2017-04-13 2017-07-14 薛振化 A kind of automatic multifunctional sack closer
CN107022854A (en) * 2017-05-27 2017-08-08 浙江中捷缝纫科技有限公司 A kind of cutting knife clutch

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108049033B (en) * 2018-01-29 2020-09-25 叶国宝 Overedging sewing machine capable of automatically sensing broken overedging and bottom surface thread

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3115907B2 (en) * 1991-07-15 2000-12-11 株式会社鈴木製作所 Sewing machine drive mechanism
CN101503846A (en) * 2008-02-08 2009-08-12 大和缝纫机制造株式会社 Driving device for cutter of sewing machine
CN202705684U (en) * 2012-07-06 2013-01-30 宁波市鄞州高桥华盛机械电器厂 Clutch device of independent double needle rod driver of quilting machine
CN105113131A (en) * 2015-09-16 2015-12-02 西安标准工业股份有限公司 Side cutter binding double-needle lockstitch sewing machine
CN106948100A (en) * 2017-04-13 2017-07-14 薛振化 A kind of automatic multifunctional sack closer
CN107022854A (en) * 2017-05-27 2017-08-08 浙江中捷缝纫科技有限公司 A kind of cutting knife clutch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108049033B (en) * 2018-01-29 2020-09-25 叶国宝 Overedging sewing machine capable of automatically sensing broken overedging and bottom surface thread

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