CN102535052B - Leather/thick material embroidery machine - Google Patents

Leather/thick material embroidery machine Download PDF

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Publication number
CN102535052B
CN102535052B CN201210016264.7A CN201210016264A CN102535052B CN 102535052 B CN102535052 B CN 102535052B CN 201210016264 A CN201210016264 A CN 201210016264A CN 102535052 B CN102535052 B CN 102535052B
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China
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drive
shift fork
movable blade
bar
trimming
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CN201210016264.7A
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CN102535052A (en
Inventor
林辉煌
林逢春
杨绳刚
纪金用
林金练
黄进伟
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FUJIAN YONGXIN NUMERICAL CONTROL TECHNOLOGY CO., LTD.
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YONGXIN COMPUTER EQUIPMENT MANUFACTURING CO LTD SHISHI
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Abstract

The invention relates to a leather/thick material embroidery machine which comprises a frame, a head arranged on the frame, upper and lower shafts transversely arranged on the frame, a needle bar box which is arranged on the head and can move transversely, a plurality of needle bars which are arranged on the needle bar box and can move up and down, a color switching driving mechanism which is connected with the needle bar box and drives the needle bar box to move transversely so as to select a needle bar to work, and a needle bar driving mechanism which is connected with the needle bars and drives the needle bars to move up and down, wherein the lower end of the needle bars is provided with a machine needle, a needle foot bar which is arranged on the head and can move up and down, a needle foot driving mechanism which is connected with the needle foot and drives the needle foot to move up and down, and a shearing device and a trapping device which are applicable to thick threads. By improving the arrangement and drive of the needle foot and matching with the shearing device and trapping device applicable to thick threads, the embroidery machine can be used for embroider a thick material or leather.

Description

A kind of leather, thick material embroidery machine
Technical field
The present invention relates to a kind of embroidery machine, relate in particular to a kind of embroidery machine that is applicable to seam embroidery leather, thick material.
Background technology
Embroidery machine generally comprises frame, be arranged at the head in frame, upper in frame of lateral arrangement, lower shaft, can be arranged at the needle box on head transverse shifting, can be arranged in up or down the some shanks on needle box, connect and drive needle box transverse shifting to select the color change driving mechanism of a shank job, and connect and drive the needle bar drive device that moves up and down of shank of selecting, traditional presser foot of embroidery machine is all attached on shank, back-up ring is set on shank, presser feet can be arranged on shank up or down by supporting member, on shank, be arranged with the presser feet spring between back-up ring and supporting member, when work, shank is moved up and down by needle bar drive mechanism drives, shank declines, presser feet is pressed on cloth, pressure is provided by presser feet spring, shank is return, presser feet reduces gradually last presser feet to the pressure of cloth and leaves cloth, because presser feet spring force is less, the thin material that is generally only applicable to embroider, in the time of the thick material of embroidery and leather, upper thread need to adopt thick line, the frictional force of eedle, thick line and sewing is excessive, in the time reclaiming rising, and the insufficient pressure of presser feet, fabric can be taken up by eedle, thereby causes the phenomenons such as bouncing pilotage, broken string, sewing positioning.For the problems referred to above, the embroidery machine that the presser foot independent driving mechanism for embroidery machine that the at present existing patent No. is 200910113690.0 and the patent No. are 200810082757.4, two patents are all to solve the problems referred to above by presser feet drive, but the presser foot component of above-mentioned patent is all arranged on needle box, this has just determined that each shank must be equipped with one group of presser foot component, so not only cost is high but also complex structure, embroider in addition leather and thick material adopts thick line, is not applicable to cutting facility and the wire-clamping device of thick line in prior art.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, a kind of embroidery machine that can be used for seam embroidery leather, thick material is provided.
Object of the present invention realizes by following technical solution:
A kind of leather, thick material embroidery machine, comprise frame, be arranged at the head in frame, upper in frame of lateral arrangement, lower shaft, can be arranged at the needle box on head transverse shifting, can be arranged in up or down the some shanks on needle box, connect and drive needle box transverse shifting to select the color change driving mechanism of a shank job, and connect and drive the needle bar drive device that moves up and down of shank of selecting, described shank lower end is provided with eedle, it is characterized in that: also comprise and can be arranged in up or down the presser bar on head, connect the presser feet driving mechanism that drives presser bar to move up and down, be applicable to cutting facility and the wire-clamping device of thick line, described presser bar lower end is provided with the presser feet that can match with the shank eedle of selecting.
Further, described cutting facility, comprise the trimming cam being arranged on lower shaft, shear mechanism, and the shear driving mechanism matching with trimming cam, described shear mechanism comprise can around center rotating be arranged at the rotating seat in frame, be fixedly installed on rotating seat and the circular arc movable blade that can rotate around its center of circle with rotating seat, and be fixed on the dead knife that can match with circular arc movable blade in frame, described movable blade front end is formed with the hook line angle and point line angle that extend along movable blade direction of rotation, and be formed with the trimming edge of a knife between hook line angle and point line angle, described shear driving mechanism is used for driving rotating seat rotation so that movable blade is rotated between position of readiness and trimming position, when movable blade is in position of readiness, the movable blade edge of a knife separates with the dead knife edge of a knife, when movable blade is in trimming position, the movable blade edge of a knife and dead knife edge of a knife closure are carried out trimming.
Further, described shear driving mechanism, comprise supporting base, the drive rod that can swing around fixing point, can be arranged in the cross bar being flexibly connected on supporting base and with drive rod transverse shifting, be articulated in the connecting rod between drive rod and rotary body, the guide post of lateral arrangement on supporting base, be fixedly installed on cross bar and be formed with the shift fork power transmission shaft of the gathering sill matching with guide post, can be arranged in the shift fork fulcrum post on supporting base up and downly, can be arranged at rotationally the shift fork on shift fork fulcrum post around shift fork fulcrum post, be arranged at the electromagnet that on supporting base, shift fork fulcrum post moves up, and be arranged at the spring moving down for shift fork fulcrum post between supporting base and shift fork fulcrum post, described shift fork one end is provided with the drive pin that can match with trimming cam locus groove, the other end is formed with and the movable driver slot coordinating of shift fork power transmission shaft.
Further, the described trimming edge of a knife is roughly the V-shaped groove extending along movable blade direction of rotation, and V-shaped groove afterbody is provided with trimming sword.
Further, described wire-clamping device, comprise tension seat, be arranged on tension seat and the clamp screw rod connecting vertically, be arranged at the nut of clamp screw rod upper end, be movably set in two thread tension discs on clamp screw rod, be movably set in the thread tension disc pressing plate on clamp screw rod, be compressed in the spring between thread tension disc pressing plate and nut, be movably set in the thimble being connected in clamp screw rod and with thread tension disc pressing plate, loose ends motor, and be arranged at outer peripheral face on loose ends motor output shaft and take turns with the thimble that nail pin contact, described clamp screw rod epimere is formed with along its axially extended thimble slot to make way, thimble is connected with thread tension disc pressing plate by thimble slot to make way.
Further, on described presser bar, be provided with and on a back-up ring, described presser bar, be arranged with the first spring being compressed between back-up ring and head.
Further, described presser feet driving mechanism comprises the presser feet cam that is arranged on described upper axle, is fixedly installed on the drive block on presser bar and is connected between presser feet cam and drive block for rotatablely moving of presser feet cam being converted into the transmission component moving up and down of drive block.
Further, described transmission component comprise can around fixing point rotate swing arm, can around fixing point rotate drive rod, be articulated in the first connecting rod between drive rod and described drive block and be articulated in swing arm and drive rod between second connecting rod, described presser feet cam outer peripheral face is formed with track groove, is provided with the drive pin matching with track groove on described swing arm.
Further, described transmission component also comprises height adjustment mechanism, described height adjustment mechanism comprises motor, be arranged at eccentric wheel on motor output shaft, can rotate and the cramp bar that fits with eccentric wheel outer peripheral face, be connected the second spring for cramp bar and eccentric wheel maintenance are fitted with cramp bar around fixing point, and the fixing point of described drive rod is arranged on cramp bar.
Further, described height adjustment mechanism also comprises the grating being connected with motor output shaft, the grating detector matching with grating, be arranged to grating detector can response light gate signal to control the amount of feeding of motor.
The present invention has following beneficial effect:
Presser bar is arranged on head, match with the shank on needle box, color change driving mechanism drives needle box transverse shifting to carry out colour changing to select a shank to coordinate with presser bar, so only need a presser bar and some shanks that different colours embroidery line is set to coordinate and just can realize polychrome embroidery, thereby reduce the quantity of presser bar, cost-saving, simplified structure; Presser bar is by presser feet driving mechanism drive, can increase the pressure of presser feet, prevent from being taken up the phenomenons such as the bouncing pilotage that causes, broken string, sewing positioning because of fabric by eedle, at cutting facility and wire-clamping device in conjunction with being applicable to thick line, the present invention can be stitched and embroider thick material or the leather that employing thick line is upper thread.
What the dead knife of cutting facility and movable blade adopted is open in usual, and point line angle and hook line angle, in same direction, import the edge of a knife by upper thread in separated time, separated time, hook line stabilization, and trimming is stable, can be used for cutting thick line, and upper thread section is smooth phozy; Shear driving mechanism solenoid actuated shift fork fulcrum post in the time of work rises the drive pin of shift fork is combined with trimming cam locus groove, drive shift fork swings, shift fork swings the rotation that is converted into rotating seat by shift fork power transmission shaft, cross bar and connecting rod, the final movable blade rotation trimming that drives, has that transmission is accurate, reliable, trimming miss ratio is low, be maintained as the advantages such as local.
Wire-clamping device selects the spring that elastic force is larger so that thick line reaches the desired tensile force of embroidery, and in trimming step, carry out loose ends, thereby do not affect the normal work of trimming, in the time of needs trimming, computer sends trimming instruction, and loose ends machine operation is rotated thimble wheel, and thimble wheel rotates and drives the thimble jack-up thread tension disc pressing plate of contact with it, thereby make two thread tension discs discharge thick line, play the object of loose ends.
The first spring is set can be improved the pressure of presser bar and improve the speed of actions of presser bar; Presser feet driving mechanism is made up of presser feet cam, drive block and transmission component, have simple in structure, move the advantage such as accurate; Height adjustment mechanism is set and can passes through to regulate the height of drive rod fixing point to regulate the upper and lower stroke of presser bar, thereby adapt to the fabric without thickness; Coordinate by grating and grating detector the amount of feeding of controlling height adjustment mechanism motor, thereby accurately regulate presser bar, improve the action accuracy of presser bar.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
Fig. 1 is the structure chart of the embroidery head of embroidery machine provided by the invention.
Fig. 2 is the structure chart of the embroidery head of embroidery machine provided by the invention, removes needle box so that internal structure to be shown.
Fig. 3 is the structure chart of presser feet driving mechanism provided by the invention.
Fig. 4 is the structure chart of needle box provided by the invention.
Fig. 5 is the structure chart of cutting facility provided by the invention.
Fig. 6 is the johning knot composition of cutting facility provided by the invention.
Fig. 7 is the structure chart of movable blade provided by the invention.
Fig. 8 is the structure chart of wire-clamping device provided by the invention.
Fig. 9 is the johning knot composition of wire-clamping device provided by the invention.
Detailed description of the invention
Shown in Fig. 4, a kind of leather, thick material embroidery machine, comprise frame (not shown), be arranged at the head 1 in frame, upper axle 7 by upper axle bed 71 lateral arrangement in frame 1, can be arranged at the needle box 2 on head 1 transverse shifting, can be arranged in up or down the some shanks 4 on needle box 2, connect and drive the color change driving mechanism (not shown) of needle box 2 transverse shiftings to select a shank 4 to work, connect the needle bar drive device (not shown) that drives the shank 4 of selecting to move up and down, can be arranged in up or down the presser bar 3 on head 1, connect the presser feet driving mechanism 5 that drives presser bar 3 to move up and down, and be applicable to cutting facility 9 and the wire-clamping device 8 of thick line, shank 4 lower ends are provided with eedle (not shown), presser bar 3 lower ends are provided with the presser feet 31 that can match with the eedle of the shank 4 of selecting.The structure of above-mentioned color change driving mechanism and needle bar drive device is known prior art, here no longer describe in detail, main improvement of the present invention is layout and presser feet driving mechanism 5 and cutting facility 9 and the wire-clamping device 8 of presser bar 3, is described in further detail below in conjunction with accompanying drawing improvement of the present invention.
Presser feet driving mechanism 5, comprise the presser feet cam 51 that is arranged on axle 7, be fixedly installed on the drive block 57 on presser bar 3 and be connected to presser feet cam 51 between drive block 57 for rotatablely moving of presser feet cam 51 being converted into the transmission component moving up and down of drive block 57, on presser bar 3, be provided with on a back-up ring 32, presser bar 3 and be arranged with the first spring 58 being compressed between back-up ring 32 and head 1, on head 1, be provided with and on vertically arranged guide post 571, drive block 57, be formed with the gathering sill 572 matching with guide post 571.
Transmission component, comprise swing arm 52, drive rod 53, first connecting rod 58, second connecting rod 56, and height adjustment mechanism, swing arm 52 can be arranged on swing rod 521 around fixing point rotationally by pivotal pin, drive rod 53 can be arranged on the cramp bar 543 of height adjustment mechanism around fixing point rotationally by pivotal pin, first connecting rod 58 two ends are articulated between drive rod 53 and drive block 56 by pivotal pin respectively, second connecting rod 56 two ends are articulated between swing arm 52 and drive rod 53 by pivotal pin respectively, height adjustment mechanism comprises the motor 544 being arranged on motor cabinet 5441, be arranged at the eccentric wheel 546 on motor 544 output shafts, can be arranged at rotationally the cramp bar 543 on motor cabinet 5441 around fixing point by pivotal pin, be connected to the second spring 545 for cramp bar 543 and eccentric wheel 546 outer peripheral faces are fitted between cramp bar 543 and upper axle bed 71, be arranged at the baffle plate 5461 on eccentric wheel 546, be arranged at the grating 542 on motor 544 output shafts, and be arranged at the grating detector 541 matching with grating 542 on axle bed 71, be arranged to grating detector 541 and can respond grating 542 signals sending controling instruction to controlling computer to control the amount of feeding of motor 544, presser feet cam 51 outer peripheral faces are formed with track groove, on swing arm 52, be provided with the drive pin 55 matching with track groove.
Cutting facility 9, comprises that transverse horizontal is arranged in lower shaft 3 on embroidering machine frame 1, is arranged at trimming cam 4, the shear mechanism on lower shaft 3 and the shear driving mechanism matching with trimming cam 4.
Shear mechanism, comprise the movable tool rest 9511 that is arranged in frame 91, can around center rotating be arranged at rotating seat 951 on movable tool rest 9511, be fixedly installed on rotating seat 951 and can be fixed on the dead knife 953 that can match with circular arc movable blade 952 in frame 91 around the circular arc movable blade 952 of its center of circle rotation and by fixing tool rest 9531 with rotating seat 951.Movable blade 952 front ends are formed with hook line angle 9522 and point line angle 9521 extending along movable blade 952 direction of rotation and are formed with thread trimmer 9524 between hook line angle 9522 and point line angles 9521, thread trimmer 9524 is roughly the V-shaped groove extending along movable blade 952 direction of rotation, V-shaped groove afterbody is provided with trimming sword 9523, and point line angle 9,521 one sides of movable blade 952 are formed with the V-arrangement roughly extending along movable blade 952 direction of rotation and divide wire casing 9525.
Shear driving mechanism, comprise supporting base 92, can swingingly be arranged at the drive rod 966 driving on pole socket 9661 around fixing point by pivotal pin, can be arranged in the cross bar 962 being flexibly connected on supporting base 92 and with drive rod 966 transverse shifting, two ends are articulated in the connecting rod 967 between drive rod 966 and rotary body 951 by pivotal pin, the guide post 964 of lateral arrangement on supporting base 92, be fixedly installed on cross bar 962 and be formed with the shift fork power transmission shaft 963 of the gathering sill 9631 matching with guide post 964, can be arranged in the shift fork fulcrum post 969 on supporting base 92 up and downly, can be arranged at rotationally the shift fork 961 on shift fork fulcrum post 969 around shift fork fulcrum post 969, be arranged at the base plate 9683 of supporting base 92 bottoms, be arranged at the electromagnet 9681 that on base plate 9683, shift fork fulcrum post 969 moves up, and be arranged at the spring 9682 moving down for shift fork fulcrum post 969 between supporting base 92 and shift fork fulcrum post 969, shift fork 961 one end are provided with the drive pin 9612 that can match with trimming cam 94 track grooves, the other end is formed with and the movable driver slot 9611 coordinating of shift fork power transmission shaft 963, cross bar 962 one end are provided with axle bumper 971, and rubber blanket 972, drive rod 966 is formed with the elongated hole extending along its length, cross bar 962 ends are provided with cutter driving piece 965, on cutter driving piece 965, be provided with the movable latch 9651 coordinating of elongated hole with drive rod 966.
Wire-clamping device 8, comprise tabular tension seat 82, be arranged at tension seat 82 upper and lower parts cross line component 81, be arranged at clamp turn-knob assembly 83 and upper thread detection components 84 on tension seat 82.
Clamp turn-knob assembly 83, comprise and be arranged on tension seat 82 and the clamp screw rod 837 connecting vertically, be arranged at the nut 832 of clamp screw rod 837 upper ends, be movably set in two thread tension discs 835 on clamp screw rod 837, be movably set in the thread tension disc pressing plate 838 on clamp screw rod 837, be compressed in the tower spring 839 between thread tension disc pressing plate 838 and nut 832, be movably set in the thimble 834 being connected in clamp screw rod 837 and with thread tension disc pressing plate 838, be arranged at the loose ends motor 831 on embroidering machine head by motor cabinet 8311, and be arranged at the thimble wheel 833 of outer peripheral face and 834 times end in contact of thimble on loose ends motor 831 output shafts, clamp screw rod 837 epimeres are formed with along its axially extended thimble slot to make way 836, thimble 834 is connected with thread tension disc pressing plate 838 by thimble slot to make way 836, thimble wheel 833 is cam or eccentric wheel.
Specific works mode is: in the time that embroidery machine is worked, upper axle 7 rotates, color change driving mechanism drives needle box 2 transverse shiftings to select certain shank of the same colour 4 in running order, the shank 4 of now selecting matches with needle bar drive device, and the eedle of shank 4 coordinates with the presser feet 31 of presser bar 3, needle bar drive device drives shank 4 knee-actions to embroider under the drive of upper axle 7, presser feet driving mechanism 5 also drives presser bar 3 to coordinate shank 4 knee-actions under the drive of upper axle 7 simultaneously, the rotation of concrete upper axle 7 drives presser feet cam 51 to rotate, presser feet cam 51 rotating drive swing arms 52 swing, the swing of swing arm 52 passes to drive rod 53 by second connecting rod 56 swings drive rod 53, drive rod 53 swings and passes to drive block 57 by first connecting rod 58 drive block 57 is moved up and down along guide post 571, the final presser bar 3 that drives moves up and down, when changing, the thickness of fabric need to adjust upper that presser bar 3 moves, in limited time lower, motor 544 drives eccentric wheel 546 to rotate so that cramp bar 543 swings, the swing of cramp bar 543 can change the run-on point of drive rod 53, it is upper that final change presser bar 3 moves, lower limit.
In the time that embroidery machine has been embroidered a pattern implementation trimming operation, computer sends trimming instruction, 831 work of loose ends motor are rotated thimble wheel 833, thimble wheel 833 rotates and drives the thimble 834 jack-up thread tension disc pressing plates 838 of contact with it, thereby make two thread tension discs 835 discharge thick line, complete the loose ends before trimming, electromagnet 9681 is switched on, upwards jack-up shift fork fulcrum post 969, drive pin 9612 is entered in the track groove of trimming cam 94, trimming cam 94 rotates, ordering about shift fork 961 swings to the right, shift fork 961 swings and makes shift fork power transmission shaft 963 along guide post 964 transverse shiftings, thereby drive cross bar 962 to be moved to the left, drive rod 966 is swung left as fulcrum to be fixed on the pivotal pin that drives on pole socket 9661, and drivening rod 967 swings left, drive rotating seat 951 certain angle that turns clockwise, drive movable blade 952 to rotate in trimming position, movable blade 952 is cut off line with dead knife 953 closures, in the time that cross bar 962 is moved to the left, rubber blanket 972, axle bumper 971 plays a part buffering and spacing, in the time that trimming cam 94 is rotated further, order about shift fork 961 and swing left, finally make movable blade 952 separate with dead knife 953, return to original position, electromagnet 9681 power-off, spring 9682 presses down reset by bounce-back by shift fork fulcrum post 969, drive pin 9612 resets, and trimming is complete.
The above, be only preferred embodiment of the present invention, therefore can not limit scope of the invention process with this, the equivalence of doing according to the present patent application the scope of the claims and description changes and modifies, and all should still remain within the scope of the patent.

Claims (9)

1. a leather, thick material embroidery machine, comprise frame, be arranged at the head in frame, upper in frame of lateral arrangement, lower shaft, can be arranged at the needle box on head transverse shifting, can be arranged in up or down the some shanks on needle box, connect and drive needle box transverse shifting to select the color change driving mechanism of a shank job, and connect and drive the needle bar drive device that moves up and down of shank of selecting, described shank lower end is provided with eedle, it is characterized in that: also comprise and can be arranged in up or down the presser bar on head, connect the presser feet driving mechanism that drives presser bar to move up and down, be applicable to cutting facility and the wire-clamping device of thick line, described presser bar lower end is provided with the presser feet that can match with the shank eedle of selecting, described cutting facility, comprise the trimming cam being arranged on lower shaft, shear mechanism, and the shear driving mechanism matching with trimming cam, described shear mechanism comprise can around center rotating be arranged at the rotating seat in frame, be fixedly installed on rotating seat and the circular arc movable blade that can rotate around its center of circle with rotating seat, and be fixed on the dead knife that can match with circular arc movable blade in frame, described movable blade front end is formed with the hook line angle and point line angle that extend along movable blade direction of rotation, and be formed with the trimming edge of a knife between hook line angle and point line angle, described shear driving mechanism is used for driving rotating seat rotation so that movable blade is rotated between position of readiness and trimming position, when movable blade is in position of readiness, the movable blade edge of a knife separates with the dead knife edge of a knife, when movable blade is in trimming position, the movable blade edge of a knife and dead knife edge of a knife closure are carried out trimming, what dead knife and movable blade adopted is open in usual, divide line angle and hook line angle in same direction.
2. a kind of leather according to claim 1, thick material embroidery machine, it is characterized in that: described shear driving mechanism, comprise supporting base, the drive rod that can swing around fixing point, can be arranged in the cross bar being flexibly connected on supporting base and with drive rod transverse shifting, be articulated in the connecting rod between drive rod and rotary body, the guide post of lateral arrangement on supporting base, be fixedly installed on cross bar and be formed with the shift fork power transmission shaft of the gathering sill matching with guide post, can be arranged in the shift fork fulcrum post on supporting base up and downly, can be arranged at rotationally the shift fork on shift fork fulcrum post around shift fork fulcrum post, be arranged at the electromagnet that on supporting base, shift fork fulcrum post moves up, and be arranged at the spring moving down for shift fork fulcrum post between supporting base and shift fork fulcrum post, described shift fork one end is provided with the drive pin that can match with trimming cam locus groove, the other end is formed with and the movable driver slot coordinating of shift fork power transmission shaft.
3. a kind of leather according to claim 1, thick material embroidery machine, is characterized in that: the described trimming edge of a knife is roughly the V-shaped groove extending along movable blade direction of rotation, and V-shaped groove afterbody is provided with trimming sword.
4. a kind of leather according to claim 1, thick material embroidery machine, it is characterized in that: described wire-clamping device, comprise tension seat, be arranged on tension seat and the clamp screw rod connecting vertically, be arranged at the nut of clamp screw rod upper end, be movably set in two thread tension discs on clamp screw rod, be movably set in the thread tension disc pressing plate on clamp screw rod, be compressed in the spring between thread tension disc pressing plate and nut, be movably set in the thimble being connected in clamp screw rod and with thread tension disc pressing plate, loose ends motor, and be arranged at outer peripheral face on loose ends motor output shaft and take turns with the thimble that nail pin contact, described clamp screw rod epimere is formed with along its axially extended thimble slot to make way, thimble is connected with thread tension disc pressing plate by thimble slot to make way.
5. according to arbitrary described a kind of leather, thick material embroidery machine in claim 1 to 4, it is characterized in that: on described presser bar, be provided with and on a back-up ring, described presser bar, be arranged with the first spring being compressed between back-up ring and head.
6. according to arbitrary described a kind of leather, thick material embroidery machine in claim 1 to 4, it is characterized in that: described presser feet driving mechanism comprises the presser feet cam that is arranged on described upper axle, is fixedly installed on the drive block on presser bar and is connected between presser feet cam and drive block for rotatablely moving of presser feet cam being converted into the transmission component moving up and down of drive block.
7. a kind of leather according to claim 6, thick material embroidery machine, it is characterized in that: described transmission component comprise can around fixing point rotate swing arm, can around fixing point rotate drive rod, be articulated in the first connecting rod between drive rod and described drive block and be articulated in swing arm and drive rod between second connecting rod, described presser feet cam outer peripheral face is formed with track groove, is provided with the drive pin matching with track groove on described swing arm.
8. a kind of leather according to claim 7, thick material embroidery machine, it is characterized in that: described transmission component also comprises height adjustment mechanism, described height adjustment mechanism comprises motor, be arranged at eccentric wheel on motor output shaft, can rotate and the cramp bar that fits with eccentric wheel outer peripheral face, be connected the second spring for cramp bar and eccentric wheel maintenance are fitted with cramp bar around fixing point, and the fixing point of described drive rod is arranged on cramp bar.
9. a kind of leather according to claim 8, thick material embroidery machine, it is characterized in that: described height adjustment mechanism also comprises the grating being connected with motor output shaft, the grating detector matching with grating, be arranged to grating detector can response light gate signal to control the amount of feeding of motor.
CN201210016264.7A 2012-01-19 2012-01-19 Leather/thick material embroidery machine Active CN102535052B (en)

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CN102758317B (en) * 2012-08-10 2013-12-11 石狮市永信电脑设备制造有限公司 Sewing and embroidering process of high-speed intelligent thread-hooking trimming leather sewing and embroidering machine
CN102747556B (en) * 2012-08-10 2013-12-11 石狮市永信电脑设备制造有限公司 Arc trimming process for embroidering thick line of embroidering machine
CN106087288B (en) * 2016-08-31 2018-08-21 兰如林 Sewing machine and sewing machine needle protection device
CN112936359A (en) * 2021-01-15 2021-06-11 浙江信胜科技股份有限公司 Scrap piece belt cutting and collecting combined structure of piece ironing machine and piece ironing machine

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