CN108060512A - A kind of automatic hemming sewing machine for cutting cloth and disconnected wrapping strip - Google Patents

A kind of automatic hemming sewing machine for cutting cloth and disconnected wrapping strip Download PDF

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Publication number
CN108060512A
CN108060512A CN201810082630.6A CN201810082630A CN108060512A CN 108060512 A CN108060512 A CN 108060512A CN 201810082630 A CN201810082630 A CN 201810082630A CN 108060512 A CN108060512 A CN 108060512A
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China
Prior art keywords
seat
cutter
sewing machine
casing
clutch
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Granted
Application number
CN201810082630.6A
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Chinese (zh)
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CN108060512B (en
Inventor
叶国宝
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叶国宝
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Priority to CN201810082630.6A priority Critical patent/CN108060512B/en
Publication of CN108060512A publication Critical patent/CN108060512A/en
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Publication of CN108060512B publication Critical patent/CN108060512B/en
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Classifications

    • 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
    • D05B35/00Work-feeding or -handling elements not otherwise provided for
    • D05B35/06Work-feeding or -handling elements not otherwise provided for for attaching bands, ribbons, strips, or tapes or for binding
    • D05B35/066Work-feeding or -handling elements not otherwise provided for for attaching bands, ribbons, strips, or tapes or for binding for attaching small textile pieces, e.g. labels, belt loops
    • 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
    • D05B69/02Mechanical drives

Abstract

The present invention provides a kind of automatic hemming sewing machines for cutting cloth and disconnected wrapping strip, belong to sewing device manufacturing technology field.It solves the technical problems such as existing hemming sewing machine function is single, efficiency 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, efficient.

Description

A kind of automatic hemming sewing machine for cutting cloth and disconnected wrapping strip
Technical field
The invention belongs to technical field of sewing equipment, are related to a kind of hemming sewing machine, particularly it is a kind of cut automatically cloth with And the hemming sewing machine of disconnected wrapping strip.
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 During row over casting, after the over casting for completing sewing, it is also necessary to manually wrapping strip etc. be cut off with scissors, process is multiple Miscellaneous, time-consuming and laborious, 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 repair cut to bound edge cloth, it is impossible to directly to wrapping strip after the completion of sewing It is cut off, complicated integral structure, volume is big, and function is single.
The content of the invention
The present invention provides a kind of automatic bag for cutting cloth and disconnected wrapping strip for the above problem existing for existing technology Side sewing machine, the technical problems to be solved by the invention are:How to improve the multifunctionality of hemming sewing machine and use it is convenient Property.
The purpose of the present invention can be realized by following technical proposal:
A kind of automatic hemming sewing machine for cutting cloth and disconnected wrapping strip, 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 actuator and clutch plate for driving the removable pin movement.
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 by automatically controlled signal actuator is controlled to act, drive removable pin movement by lifting seat with cutting by the movement of clutch plate Tool apron combines binding realization and links, and the cut end knife on lifting seat and lifting seat moves cut-out wrapping strip and bottom surface with cutter seat Line.
Hemming sewing machine in the present invention separately designed cutter and cutoff tool, can use hemming sewing machine in itself Power source automatically cuts off cloth edge, wrapping strip and bottom surface line, improves the sewing efficiency of hemming sewing machine, and cuts Expect that knife and cutoff tool by clutch switching construction, facilitate control, will not generate interference, it is easy to use with simple in structure, without The advantages that manually being trimmed.
It is above-mentioned it is automatic cut the hemming sewing machine of cloth and disconnected wrapping strip, be installed with limited block 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.
It is above-mentioned it is automatic cut the hemming sewing machine of cloth and disconnected wrapping strip, 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.
It is above-mentioned it is automatic cut the hemming sewing machine of cloth and disconnected wrapping strip, 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 actuator is electromagnet, described Clutch plate is connected to by axial screw on casing, and one end of the clutch plate and the output terminal of the electromagnet lean, separately One end and the other end of the removable pin lean.When it is automatically controlled send shutoff signal to electromagnet when, electromagnet core marches forward Row movement, promotes clutch plate to have mercy on axial screw rotary oscillation, and clutch plate lower end promotes removable pin inwardly to move so that in removable pin End is stuck in the correspondence slot of cutter seat.When main shaft rotation drive clutch stent moves downward, check lock lever is promoted manually so that from It closes stent and cutter seat to link, and then drives lifting seat and cutoff tool moves carry out to wrapping strip and bottom surface line downwardly together Cutoff action simultaneously.
It is above-mentioned it is automatic cut the hemming sewing machine of cloth and disconnected wrapping strip, 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.
It is above-mentioned it is automatic cut the hemming sewing machine of cloth and disconnected wrapping strip, 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.
It is above-mentioned it is automatic cut the hemming sewing machine of cloth and disconnected wrapping strip, 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.
It is above-mentioned it is automatic cut the hemming sewing machine of cloth and disconnected wrapping strip, the hemming sewing machine further includes bottom Plate, the casing are arranged on the bottom plate, and the bottom plate is equipped with edge wrapping apparatus, and the check lock lever is longitudinally disposed, described to cut Cutter spacing is expected in the front side of the suture needle and is inclined to the right positions of suture needle, and the cutoff tool is located at the rear side of the suture needle.Cloth It is placed on wrapping strip, the effect that wrapping strip passes through edge wrapping apparatus so that wrapping strip is unlocked and wrapping cloth bag Among edge strip, main shaft rotary motion sews to it.
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 separately designed cutter and cutoff tool, can use The power source of hemming sewing machine in itself automatically cuts off cloth edge, wrapping strip and bottom surface line, improves over casting The sewing efficiency of machine, and cutter and cutoff tool facilitate control, will not generate interference, have structure by clutch switching construction Simply, it is easy to use, the advantages that without manually being trimmed.
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.
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, actuator;17a, electromagnet;18th, limited 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;31st, upper boom Set;32nd, low stem casing;33rd, bottom plate;34th, edge wrapping apparatus;35th, cutting knife mounting seat;36th, sliding block.
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 7, 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 actuator 17 and the clutch plate 25 that driving removable pin 16 moves.Specifically, such as Fig. 2 and figure Shown in 3, limited block 18 is installed on casing 1, limited block 18 is equipped with vertical slideway 18a, and the one side of connecting seat 7 has protrusion Bolt 71,71 one end of bolt is arranged with sliding block 36, and the slip of sliding block 36 is embedded in slideway 18a;The one side of connecting seat 7, which has, to be slided Dynamic to be embedded the bolt 71 in slideway 18a, opposite side and the clutch stent 8 of connecting seat 7 are connected;It is fixedly provided on casing 1 vertical Stop collar 19, there is on clutch stent 8 limit shaft 82 for sliding and being plugged in stop collar 19, bolt 71 in slideway 18a only It can pump, when main shaft 2 does compound motion by 5 drive link 6 of eccentric wheel, by limiting connecting seat 7 and connecting rod 6 The degree of freedom of lower end so that it drives clutch stent 8 to pump;As shown in Figure 6 and Figure 7, removable pin 16 laterally plugs There is the slot with one end face of removable pin 16 in lifting seat 13, on cutter seat 10;Actuator 17 be electromagnet 17a, machine The clutch plate 25 of above-mentioned bar shaped, one end of clutch plate 25 and the output terminal phase of electromagnet 17a are connected on shell 1 by axial screw 24 Against the other end of the other end and removable pin 16 leans.When it is automatically controlled send shutoff signal to electromagnet 17a when, electromagnet 17a Iron core is carried forward movement, and clutch plate 25 is promoted to have mercy on 24 rotary oscillation of axial screw, 25 lower end of clutch plate promote removable pin 16 to Interior movement so that 16 inner end of removable pin is stuck in the correspondence slot of cutter seat 10.During use, the rotation of main shaft 2 drives crank 30 rotations realize sewing action so as to which the suture needle 4 of 3 lower end of shank 3 and shank, suture be driven to pump, meanwhile, when When needing to cut cloth edge, by promoting check lock lever 15a so that clutch stent 8 is combined binding with cutter seat 10, and main shaft 2 revolves By eccentric wheel 5, connecting rod 6 and connecting seat 7 clutch stent 8 is driven to move back and forth up and down when turning, so drive cutter seat 10 with And the cutter 11 on cutter seat 10 forms blanking movement, and cloth edge repair cutting, makes cloth edge smooth;Wrapping strip stitches After the completion of threading, then by automatically controlled signal control actuator 17 act, driving removable pin 16 move lifting seat 13 and cutter seat 10 It realizes and links with reference to binding, the cut end knife on lifting seat 13 and lifting seat 13 moves cut-out wrapping strip and bottom with cutter seat 10 Upper thread.This hemming sewing machine has separately designed cutter 11 and cutoff tool 14, can use the power source of hemming sewing machine in itself Automatically cloth edge, wrapping strip and bottom surface line are cut off, improves the sewing efficiency of hemming sewing machine, and cutter 11 With cutoff tool 14 by clutch switching construction, facilitate control, interference will not be generated, have it is simple in structure, it is easy to use, without into The advantages that pedestrian's work is trimmed.
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 17a discharges suction by automatically controlled signal, and clutch plate 25 is resetted by torsional spring 26, removable pin 16 It after losing the external force effect of clutch plate 25, is resetted by resetting spring 27 so that cutoff tool 14 can not during sewing trimming It is moved.
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, actuator;17a, electricity Magnet;18th, limited 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;31st, upper rod set;32nd, low stem casing;33rd, bottom plate;34th, edge wrapping apparatus;35th, cutting knife mounting seat;36th, the terms such as sliding block, 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 present invention's Essence;Any one of the additional limitations is construed as all to disagree with spirit of the present invention.

Claims (8)

1. a kind of automatic hemming sewing machine for cutting cloth and disconnected wrapping strip, 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 actuator (17) that drives the removable pin (16) mobile and Clutch plate (25).
2. the automatic hemming sewing machine for cutting cloth and disconnected wrapping strip according to claim 1, 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)。
3. the automatic hemming sewing machine for cutting cloth and disconnected wrapping strip according to claim 1 or 2, 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).
4. the automatic hemming sewing machine for cutting cloth and disconnected wrapping strip according to claim 3, 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 actuator (17) is electromagnet (17a), and the clutch plate (25) is connected to machine by axial screw (24) Shell (1), one end of the clutch plate (25) and the output terminal of the electromagnet (17a) lean, the other end and the removable pin (16) the other end leans.
5. the automatic hemming sewing machine for cutting cloth and disconnected wrapping strip according to claim 4, 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).
6. the automatic hemming sewing machine for cutting cloth and disconnected wrapping strip according to claim 1 or 2, which is characterized in that institute It states and vertical guide rod one (28) and guide rod two (29) is further respectively had on casing (1), the cutter seat (10) is slidably located in institute It states on guide rod one (28), the lifting seat (13) is slidably located on the guide rod two (29).
7. the automatic hemming sewing machine for cutting cloth and disconnected wrapping strip according to claim 1 or 2, which is characterized in that institute The end for stating main shaft (2) is equipped with crank (30), and the crank (30) is connected with the shank (3) and can drive the shank (3) pump, between the upper and lower every being installed with upper rod set (31) and low stem casing (32), the pin respectively on the casing (1) Bar (3) slip is plugged in the upper rod set (31) and low stem casing (32).
8. the automatic hemming sewing machine for cutting cloth and disconnected wrapping strip according to claim 1 or 2, which is characterized in that institute It states hemming sewing machine and further includes bottom plate (33), the casing (1) is arranged on the bottom plate (33), and the bottom plate (33) is equipped with Edge wrapping apparatus (34), the check lock lever (15a) is longitudinally disposed, the cutter (11) be located at the front side of the suture needle (4) and partially To the right positions of suture needle (4), the cutoff tool (14) is located at the rear side of the suture needle (4).
CN201810082630.6A 2018-01-29 2018-01-29 Automatic cloth cutting and edge strip breaking edge covering sewing machine Active CN108060512B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810082630.6A CN108060512B (en) 2018-01-29 2018-01-29 Automatic cloth cutting and edge strip breaking edge covering sewing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810082630.6A CN108060512B (en) 2018-01-29 2018-01-29 Automatic cloth cutting and edge strip breaking edge covering sewing machine

Publications (2)

Publication Number Publication Date
CN108060512A true CN108060512A (en) 2018-05-22
CN108060512B CN108060512B (en) 2020-11-24

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CN110079940A (en) * 2018-09-14 2019-08-02 南通迈威智能科技有限公司 The rectilinear high speed cutter mechanism of sewing machine

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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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JPH0426491A (en) * 1990-05-22 1992-01-29 Brother Ind Ltd Chain cutter device of sewing machine
CN1070700A (en) * 1991-07-15 1993-04-07 株式会社铃木制作所 The knife drive mechanism of Sewing machines
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
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110079940A (en) * 2018-09-14 2019-08-02 南通迈威智能科技有限公司 The rectilinear high speed cutter mechanism of sewing machine

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