CN111962226A - Intelligent multifunctional sewing machine - Google Patents
Intelligent multifunctional sewing machine Download PDFInfo
- Publication number
- CN111962226A CN111962226A CN202011045978.1A CN202011045978A CN111962226A CN 111962226 A CN111962226 A CN 111962226A CN 202011045978 A CN202011045978 A CN 202011045978A CN 111962226 A CN111962226 A CN 111962226A
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- thread
- presser foot
- sewing machine
- loosening
- thread cutting
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- 238000009958 sewing Methods 0.000 title claims abstract description 59
- 238000005520 cutting process Methods 0.000 claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 230000003578 releasing effect Effects 0.000 claims abstract description 52
- 230000009471 action Effects 0.000 claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 241000227287 Elliottia pyroliflora Species 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000009966 trimming Methods 0.000 description 37
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 16
- 235000011613 Pinus brutia Nutrition 0.000 description 16
- 241000018646 Pinus brutia Species 0.000 description 16
- 238000003825 pressing Methods 0.000 description 8
- 230000000670 limiting effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/10—Electrical or electromagnetic drives
- D05B69/12—Electrical or electromagnetic drives using rotary electric motors
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B47/00—Needle-thread tensioning devices; Applications of tensometers
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
- D05B65/02—Devices for severing the needle or lower thread controlled by the sewing mechanisms
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/14—Devices for changing speed or for reversing direction of rotation
- D05B69/18—Devices for changing speed or for reversing direction of rotation electric, e.g. foot pedals
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/20—Control devices responsive to the number of stitches made
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The application provides a multi-functional sewing machine of intelligence, concretely relates to sewing machine makes technical field. The front output shaft is fixed with a thread cutting crank, the rear output shaft is fixed with a grooved pulley and a presser foot thread loosening cam, and a rotating rod of the thread cutting crank acts on a thread cutting fork wheel and has a thread cutting action surface and a thread cutting return surface; the contact point of the presser foot thread releasing cam acts on a thread releasing device ejector rod of the thread releasing mechanism; the backward sewing needle pitch adjusting running groove, the thread cutting running groove and the presser foot lifting running groove which are arranged on the grooved pulley act on the crank; the presser foot lifting cam part of the presser foot thread loosening cam acts on the presser foot lifting top plate. The application utilizes one power source to execute the actions of adjusting the backstitch sewing needle distance, lifting the presser foot, loosening and cutting the thread, so that the power source can fully exert the running efficiency, the programmed control of each sewing action is realized, the assembly efficiency is improved in the manufacturing process, the failure rate of the special power source of the whole machine is reduced, and the performance of the whole machine of the sewing machine is improved.
Description
Technical Field
The application provides a multi-functional sewing machine of intelligence, concretely relates to sewing machine makes technical field.
Background
The sewing machine on the existing market generally adopts a stepping motor to control a swing seat so as to realize the adjustment of the needle pitch, and respectively controls the actions of lifting a presser foot and cutting threads through the stepping motor or an electromagnet, the configuration of a plurality of motors causes the reduction of the power utilization rate of the whole sewing machine, meanwhile, the manufacturing assembly is complicated, the cost of the whole sewing machine is improved, the heat dissipation capacity of the sewing machine is larger due to the operation of the plurality of motors, the service life of the sewing machine is shortened, and the sewing machine for adjusting the needle pitch, the presser foot and the cutting threads by controlling the stepping motor is developed aiming at the conditions so as to improve the working efficiency of the whole sewing machine and reduce the manufacturing cost.
Disclosure of Invention
Aiming at the defects of the working efficiency and the manufacturing cost of a motor in the prior sewing machine technology, the technical problem to be solved by the application is to provide an intelligent multifunctional sewing machine which is provided with a power source, wherein the power source is provided with a front output shaft and a rear output shaft, the front output shaft controls the thread cutting action of a thread cutting mechanism, and the rear output shaft controls the backstitch needle distance adjusting mechanism, the presser foot lifting mechanism and the thread loosening mechanism to perform backstitch needle distance adjusting action, presser foot lifting action and thread loosening action; the contact point of the presser foot thread releasing cam acts on a thread releasing device ejector rod of the thread releasing mechanism; the grooved pulley is provided with a backward sewing needle pitch adjusting running groove, a thread cutting running groove and a thread loosening and presser foot lifting running groove which act on the crank; the presser foot thread loosening cam is provided with a presser foot lifting cam part which acts on a presser foot lifting top plate, the rear output shaft and the front output shaft are fixed with operating components of various actions, the purpose of one machine for multiple controls can be achieved by operating the power source, and the operating efficiency of the power source is effectively improved.
Preferably, the thread cutting action surface and the thread cutting return surface are arranged inside the thread cutting fork wheel, and the thread cutting fork wheel is movably connected to the thread cutting swing seat, so that the key functions of thread cutting action and resetting are realized.
Preferably, the pine line ware installing support that pine line mechanism has is fixed on the sewing machine that this application has, pine line ware installing support is provided with the pine line ware ejector pin in corresponding touch point one side, the pine line ware backup pad that pine line mechanism has connects out the steel wire, the setting of pine line ware ejector pin is in the copper sheathing, the pine line clamp plate that pine line mechanism has is fixed on the sewing machine organism that this application has, be fixed with the pine wire flexible hose on the pine line clamp plate, the steel wire passes the pine wire flexible hose, pine line ware installing support unites with the pine line ware backup pad, be provided with the copper sheathing between pine line ware ejector pin and the pine line ware installing support.
Preferably, the adjusting operation groove of the backstitch needle distance, the trimming operation groove and the releasing thread lifting and pressing foot operation groove are arranged on the operation groove of the grooved wheel, the adjusting operation groove of the backstitch needle distance is not arranged in the grooved wheel by taking the central point of the grooved wheel as the center of a circle, and the trimming operation groove and the releasing thread lifting and pressing foot operation groove are arranged in the grooved wheel by taking the central point of the grooved wheel as the center of a circle. The arrangement of the running groove enables each action to be responsible for each other under the rotation of the grooved wheel, and the grooved wheel does not interfere with each other, so that the grooved wheel has a higher design advantage.
Preferably, the grooved wheel drives a shaft sleeve of the backward sewing needle distance adjusting operation groove under the back and forth rotation of the power source, the grooved wheel drives the thread cutting operation groove and the thread cutting crank under the back and forth rotation of the power source, and the grooved wheel drives the thread loosening and presser foot lifting operation groove and the presser foot thread loosening cam under the back and forth rotation of the power source.
Preferably, one end of the crank is movably connected in the running groove of the grooved pulley, the shaft sleeve provided by the crank is positioned in the running groove, the other end of the crank is movably connected with the connecting rod, the connecting rod is movably connected with the swinging seat, and the swinging seat is movably connected with the feeding shaft. The crank is provided with a through hole which is movably connected and fixed on a fixed shaft, and the fixed shaft is fixed on the sewing machine.
Preferably, the first circular idle rotation surface of the presser foot lifting and releasing cam is in idle rotation with the abutting plate of the presser foot lifting top plate.
The application utilizes one power source to execute the actions of adjusting the backstitch sewing needle distance, lifting the presser foot, loosening and cutting the thread, so that the power source can fully exert the running efficiency, the programmed control of each sewing action is realized, the assembly efficiency is improved in the manufacturing process, the failure rate of the special power source of the whole machine is reduced, and the performance of the whole machine of the sewing machine is improved.
Drawings
FIG. 1 is an overall assembly view of an intelligent multifunction sewing machine of the present application;
FIG. 2 is a schematic view of a backstitch gauge adjustment mechanism, a thread slacking mechanism and a presser foot lifting mechanism of an intelligent multifunctional sewing machine according to the present application;
FIG. 3 is a rear view of a backstitch gauge adjustment mechanism, a thread slacking mechanism and a presser foot lifting mechanism of the intelligent multifunctional sewing machine of the present application;
FIG. 4 is a schematic view of a thread trimming mechanism of an intelligent multifunction sewing machine according to the present application;
FIG. 5 is a sheave structure diagram of an intelligent multifunction sewing machine of the present application;
FIG. 6 is a schematic view of a presser foot lifting and thread releasing cam of the intelligent multifunction sewing machine of the present application;
FIG. 7 is a grooved pulley running groove distribution diagram of an intelligent multifunction sewing machine of the present application;
FIG. 8 is a sheave inner limiting plate profile of an intelligent multifunction sewing machine of the present application;
FIG. 9 is a schematic view of a sheave base plate of an intelligent multifunction sewing machine of the present application;
FIG. 10 is a sheave outer buckle of an intelligent multifunctional sewing machine according to the present application.
The reference numbers are as follows: the thread releasing and pressing device comprises a power source 10, a front output shaft 11, a rear output shaft 12, a grooved wheel 13, a running groove 131, a backstitch stitch pitch adjusting running groove 13a, a thread cutting running groove 13b, a thread releasing and pressing foot lifting running groove 13c, a grooved wheel inner limiting plate 1a3, a grooved wheel base plate 1b3, a grooved wheel outer buckling plate 1c3, a pressing foot lifting and releasing cam 15, a first round idle rotation surface 151 and a touch point 152;
the thread cutting mechanism 20, the thread cutting crank 21, the rotating rod 211, the thread cutting fork wheel 22, the thread cutting action surface 221, the thread cutting return surface 222 and the thread cutting swing seat 23;
the backstitch needle pitch adjusting mechanism 30, a feeding shaft 31, a feeding connecting rod 32, a swinging seat 33, a crank 34, a shaft sleeve 341, a connecting rod 35 and a fixed shaft 36;
a presser foot lifting mechanism 40, a presser foot lifting ejector rod 41, a presser foot lifting top plate 42 and a leaning plate 421;
the thread releasing mechanism 50, the thread releasing pressing plate 51, the thread releasing steel wire hose 52, the thread releasing device mounting bracket 53, the thread releasing device supporting plate 54, the copper sleeve 55, the thread releasing device ejector rod 56 and the steel wire 57.
Detailed Description
The following detailed description of the preferred embodiments of the present application, taken in conjunction with the accompanying drawings, is provided to enable those skilled in the art to more readily understand the advantages and features of the present application, and is intended to more clearly and distinctly define the scope of the invention, which is set forth by way of illustration only and is not intended to be limiting of the invention.
Example one
Fig. 1 is a schematic diagram of an intelligent multifunctional sewing machine according to the present application, which includes a power source 10, the power source 10 is a power device outputting power by two ends, the power source 10 includes a front output shaft 11 and a rear output shaft 12, and the power source 10 rotates to drive the front output shaft 11 and the rear output shaft 12 to rotate. The power source 10 controls the thread cutting action of the thread cutting mechanism 20 through the front output shaft 11, and controls the backstitch stitch pitch adjusting action, the presser foot lifting action and the thread loosening action of the backstitch stitch pitch adjusting mechanism 30, the presser foot lifting mechanism 40 and the thread loosening mechanism 50 through the rear output shaft 12; the technical effect that each sewing action is completed by one power source 10 in different time and different areas is achieved, so that the sewing machine has higher transmission capacity under the power drive of one power source 10, and the purposes of saving energy and reducing the manufacturing cost of the whole machine are achieved.
Fig. 1, fig. 2, fig. 3 and fig. 4 show that the rear output shaft 12 of the present application controls the backstitch stitch pitch adjusting mechanism 30, the presser foot lifting mechanism 40 and the thread releasing mechanism 50, and specifically, a grooved pulley 13 and a presser foot lifting and releasing cam 15 are fixed on the rear output shaft 12, and a thread cutting crank 21 is fixed on the front output shaft 11. Under the operation of the power source 10, the grooved pulley 13, the thread trimming crank 21 and the presser foot lifting and releasing cam 15 are driven in sequence to complete the back stitching needle pitch adjusting action, the thread trimming action, the presser foot lifting action and the thread releasing action, and all the actions are not interfered with each other.
Fig. 1, 2, 3 and 6 show a reverse stitch gauge adjusting mechanism 30 of the present application. The rear output shaft 12 is fixed on the presser foot lifting and releasing cam 15 close to the power source 10, and the grooved wheel 13 is fixed on the outer end of the rear output shaft 12. The backstitch needle pitch adjusting mechanism 30 comprises a power source 10, a grooved pulley 13, a feeding shaft 31, a swinging seat 33, a crank 34, a connecting rod 35 and a fixed shaft 36.
The grooved wheel 13 makes corresponding swing action under the back and forth rotation of the power source 10, the grooved wheel 13 is provided with a running groove 131, the running groove 131 is provided with a back stitching needle distance adjusting running groove 13a, a trimming running groove 13b and a thread loosening and presser foot lifting running groove 13c (shown in fig. 7), the back stitching needle distance adjusting running groove 13a is not arranged in the grooved wheel 13 by taking the central point of the grooved wheel 13 as the center of a circle, and the trimming running groove 13b and the thread loosening and presser foot lifting running groove 13c are arranged in the grooved wheel 13 by taking the central point of the grooved wheel 13 as the center of a circle. One end of the crank 34 is movably connected in the running groove 131 of the sheave 13, specifically, a shaft sleeve 341 provided on the crank 34 is positioned in the running groove 131, a through hole fixed on the fixed shaft 36 is movably connected on the crank 34, and the other end of the crank 34 is movably connected with the connecting rod 35. The connecting rod 35 is movably connected with the swinging seat 33; the swing base 33 is movably connected to the feeding shaft 31. The fixed shaft 36 is fixed to the sewing machine.
In the backstitch needle distance adjusting mechanism 30, the sheave 13 drives the shaft sleeve 341 of the operation groove 131 under the back and forth rotation of the power source 10, so that the crank 34 generates a swing source, and then the swing source is sequentially transmitted to the feeding shaft 31 from the connecting rod 35 and the swing seat 33, thereby realizing the transmission of the power source 10 to the swing source of the backstitch needle distance adjusting mechanism 30.
During the above-described backstitch stitch pitch adjusting operation, when the grooved pulley 13 is driven to rotate, the presser foot thread releasing cam 15 fixed to the rear output shaft 12 and the thread cutting crank 21 of the front output shaft 11 rotate back and forth at the same time, but the circular idle surface one 151 of the presser foot thread releasing cam 15 does not act on the presser foot lifting top plate 42, the presser foot thread releasing cam 15 has the contact point 152 not acting on the thread releasing device ejector pin 56, and the rotating rod 211 of the thread cutting crank 21 does not act on the thread cutting action surface 221 of the thread cutting fork 22, so that the presser foot lifting action, the thread cutting action, and the thread releasing action are not operated during the backstitch stitch pitch adjusting operation.
After finishing the adjustment of the backstitch stitch length, the power source 10 enters the thread releasing mechanism 50 to perform the thread releasing action, and because the thread releasing and presser foot lifting operation groove 13c is concentrically arranged with the grooved wheel 13, the power source 10 does not generate a swinging source to the crank 34 when operating in the thread releasing and presser foot lifting operation groove 13c, and provides a rotating force to the thread releasing cam 15 for lifting the presser foot.
In fig. 1, 2, and 3, the thread releasing mechanism 50 of the present application includes: the thread slackening device comprises a power source 10, a presser foot thread loosening cam 15, a thread slackening pressing plate 51, a thread slackening steel wire hose 52, a thread slackening device mounting bracket 53, a thread slackening device supporting plate 54, a copper sleeve 55, a steel wire 57 and a thread slackening device ejector rod 56. The presser foot lifting and releasing cam 15 is provided with a touch point 152, the rotation of the power source 10 drives the presser foot lifting and releasing cam 15 to twist, and the touch point 152 is used for triggering the thread releasing device ejector rod 56, so that the thread releasing action is started. The thread slackening device mounting bracket 53 is fixed on the sewing machine provided by the application, the thread slackening device mounting bracket 53 is connected with the thread slackening device supporting plate 54 into a whole, the thread slackening device mounting bracket 53 is provided with a thread slackening device ejector rod 56 on one side of the corresponding touch point 152, and the touch point 152 acts on the thread slackening device ejector rod 56 to trigger the thread slackening mechanism 50 to operate.
A copper bush 55 is arranged between the thread loosening device ejector rod 56 and the thread loosening device mounting bracket 53, a steel wire 57 is connected to the thread loosening device supporting plate 54, and the arrangement of the copper bush 55 enables the thread loosening device ejector rod 56 to move in and out more stably; the thread loosening press plate 51 is fixed on a sewing machine body provided by the application, a thread loosening steel wire hose 52 is fixed on the thread loosening press plate 51, and a steel wire 57 penetrates through the thread loosening steel wire hose 52.
After the thread loosening action is finished, the power source 10 enters the thread cutting mechanism 20 to perform thread cutting action, and because the thread cutting running groove 13b and the grooved wheel 13 are concentrically arranged, the power source 10 does not generate a swinging source for the crank 34 when running in the thread loosening and pressing foot lifting running groove 13c, and provides rotating force for the thread cutting crank 21.
In fig. 1 and 5, a thread trimming mechanism 20 of an intelligent multifunctional sewing machine of the present application includes a power source 10, a thread trimming crank 21, a thread trimming fork wheel 22, a thread trimming swing seat 23, and a terminal execution cutting assembly.
The trimming crank 21 is a pushing part, the trimming fork wheel 22 is a pushed part, wherein the trimming crank 21 is provided with a rotating rod 211, the trimming fork wheel 22 is provided with a trimming acting surface 221 and a trimming return surface 222, the trimming acting surface 221 and the trimming return surface 222 are arranged inside the trimming fork wheel 22, and the trimming fork wheel 22 is movably connected and fixed on the trimming swing seat 23.
The front output shaft 11 is provided with a fixed pushing piece thread cutting crank 21, and a shaft fixing hole formed in the thread cutting crank 21 is used for being fixedly arranged on the front output shaft 11 in a penetrating mode. The rotating rod 211 of the trimming crank 21 is located at the rocker end of the trimming crank 21, the rotating rod 211 rotates at the rocker end of the trimming crank 21 under the operation of the power source 10, the trimming acting surface 221 of the trimming fork wheel 22 driven by the pushing member is arranged opposite to the trimming return surface 222, the rotating rod 211 is located between the trimming acting surface 221 and the trimming return surface 222, and the rotating rod 211 pushes the trimming acting surface 221 to rotate inside the trimming fork wheel 22 to perform trimming.
After the thread trimming action is finished, the action of lifting the presser foot needs to be executed, the power source 10 enters the thread loosening and presser foot lifting operation groove 13c to operate, and the thread loosening and presser foot lifting operation groove 13c and the grooved pulley 13 are concentrically arranged, so that the power source 10 drives the thread loosening cam 15 of the presser foot to rotate and cannot generate the thrust causing the action on the thread trimming crank 21 and the grooved pulley 13.
Fig. 1, 2, 3, 5 and 6 show a presser foot lifting mechanism 40 of the present application. The presser foot lifting mechanism 40 comprises a power source 10, a presser foot thread loosening cam 15, a presser foot lifting ejector rod 41 and a presser foot lifting top plate 42. One end of the presser foot lifting top plate 42 is fixed on the feeding shaft 31, the other end of the presser foot lifting top plate 42 is provided with a support plate 421 capable of supporting against the presser foot lifting ejector rod 41, and the support plate is directly supported against the upper part of the support plate 421 by the presser foot lifting ejector rod 41.
The presser foot lifting and releasing cam 15 has a presser foot lifting cam portion 152, the power source 10 drives the grooved wheel 13 to rotate in the presser foot releasing and lifting operation groove 13c, the presser foot lifting cam portion 152 rotates to gradually abut against the presser foot lifting top plate 42, the presser foot lifting cam portion 152 rotates, starts to contact with the abutting plate 421, and gradually reaches the highest position of the presser foot. The power source 10 drives the grooved wheel 13 to rotate reversely in the thread loosening and presser foot lifting operation groove 13c, so that the presser foot lifting top plate 42 descends to finish the presser foot placing action.
In summary, the power source 10 drives the respective rewinding stitch pitch adjusting mechanism, the thread trimming mechanism, the thread slacking mechanism and the presser foot lifting mechanism within the range of the rewinding stitch pitch adjusting running groove 13a, the thread trimming running groove 13b and the thread slacking and presser foot lifting running groove 13c, so as to play a good role in limiting actions, and the respective actions are not affected with each other, thereby effectively and fully utilizing one power source 10, improving the overall performance of the sewing machine and reducing the production cost.
Example two
The second embodiment is basically the same as the first embodiment, except that the rear output shaft 12 controls the backstitch stitch pitch adjusting mechanism 30, the presser foot lifting mechanism 40 and the thread releasing mechanism 50 to perform backstitch stitch pitch adjusting action, presser foot lifting action and thread releasing action, and the rear output shaft 12 is fixed with the grooved pulley 13 and the presser foot lifting and thread releasing cam 15.
EXAMPLE III
The third embodiment is basically the same as the first embodiment, except that the sheave 13 is provided in a split manner, in fig. 8, fig. 9, fig. 10, the sheave is divided into three parts, and is composed of a sheave inner limiting plate 1a3, a sheave base plate 1b3 and a sheave outer fastening plate 1c3, but in the implementation of the present application, the sheave inner limiting plate 1a3, the sheave base plate 1b3 and the sheave outer fastening plate 1c3 are recombined into a whole to realize the function of the first embodiment, and there are various methods to fix the sheave inner limiting plate 1a3 and the sheave outer fastening plate 1c3 on the sheave base plate 1b3, where welding or fixing by fasteners can be adopted.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (9)
1. An intelligent multifunctional sewing machine is provided with a power source (10), wherein the power source (10) is provided with a front output shaft (11) and a rear output shaft (12), the front output shaft (11) controls the thread cutting action of a thread cutting mechanism (20), and the rear output shaft (12) controls the backstitch needle pitch adjusting action, the presser foot lifting action and the thread loosening action of a backstitch needle pitch adjusting mechanism (30), a presser foot lifting mechanism (40) and a thread loosening mechanism (50), and is characterized in that a thread cutting crank (21) is fixed on the front output shaft (11), a grooved pulley (13) and a presser foot thread loosening cam (15) are fixed on the rear output shaft (12), and a rotating rod (211) of the thread cutting crank (21) acts on a thread cutting fork pulley (22) and is provided with a thread cutting action surface (221) and a thread cutting return surface (222); the contact point (152) of the presser foot thread releasing cam (15) acts on a thread releasing device ejector rod (56) of the thread releasing mechanism (50); the grooved pulley (13) is provided with a backward sewing needle distance adjusting running groove (13a), a thread cutting running groove (13b) and a thread loosening and presser foot lifting running groove (13c) which act on a crank (34); the presser foot thread releasing cam (15) has a presser foot lifting cam part (152) which acts on the presser foot top plate (42) at different times.
2. The intelligent multifunctional sewing machine as claimed in claim 1, wherein the thread cutting action surface (221) and the thread cutting return surface (222) are arranged inside the thread cutting fork wheel (22), and the thread cutting fork wheel (22) is movably connected and fixed on the thread cutting swing seat (23).
3. An intelligent multifunctional sewing machine according to claim 1, characterized in that a thread loosening mechanism mounting bracket (53) that the thread loosening mechanism (50) has is fixed on the sewing machine that this application has, thread loosening mechanism mounting bracket (53) is provided with thread loosening device ejector rod (56) on corresponding touch point (152) one side, a thread loosening device supporting plate (54) that the thread loosening mechanism (50) has taps out steel wire (57), thread loosening device ejector rod (56) sets up in copper sheathing (55), thread loosening press plate (51) that the thread loosening mechanism (50) has is fixed on the sewing machine body that this application has, be fixed with thread loosening steel wire hose (52) on thread loosening press plate (51), steel wire (57) passes thread loosening steel wire hose (52).
4. An intelligent multifunctional sewing machine according to claim 1, characterized in that the thread slacker mounting bracket (53) is integrated with the thread slacker support plate (54), and a copper bush (55) is arranged between the thread slacker top bar (56) and the thread slacker mounting bracket (53).
5. An intelligent multifunctional sewing machine according to claim 1, characterized in that the backstitch needle distance adjusting running groove (13a), the thread cutting running groove (13b) and the thread releasing and presser foot lifting running groove (13c) are arranged on the running groove (131) of the grooved wheel (13), the backstitch needle distance adjusting running groove (13a) is not arranged in the grooved wheel (13) by taking the central point of the grooved wheel (13) as the center of a circle, and the thread cutting running groove (13b) and the thread releasing and presser foot lifting running groove (13c) are arranged in the grooved wheel (13) by taking the central point of the grooved wheel (13) as the center of a circle.
6. The intelligent multifunctional sewing machine according to claim 1, wherein the sheave (13) drives a shaft sleeve (341) of the backward sewing needle distance adjusting operation groove (13a) under the back and forth rotation of the power source (10), the sheave (13) drives the thread cutting operation groove (13b) and the thread cutting crank (21) under the back and forth rotation of the power source (10), and the sheave (13) drives the thread loosening lifting presser foot operation groove (13c) and the presser foot thread loosening cam (15) under the back and forth rotation of the power source (10).
7. An intelligent multifunctional sewing machine according to claim 1, characterized in that one end of the crank (34) is movably connected in the running groove (131) of the sheave (13), the shaft sleeve (341) provided by the crank (34) is positioned in the running groove (131), the other end of the crank (34) is movably connected with the connecting rod (35), the connecting rod (35) is movably connected with the swinging seat (33), and the swinging seat (33) is movably connected with the feeding shaft (31).
8. An intelligent multifunctional sewing machine according to claim 7, characterized in that the crank (34) is provided with a through hole movably connected and fixed on a fixed shaft (36), and the fixed shaft (36) is fixed on the sewing machine.
9. An intelligent multifunctional sewing machine according to claim 7, characterized in that the presser foot lifting and releasing cam (15) has a circular idle surface one (151) acting in idle state with the abutting plate (421) of the presser foot lifting and releasing top plate (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011045978.1A CN111962226A (en) | 2020-09-28 | 2020-09-28 | Intelligent multifunctional sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011045978.1A CN111962226A (en) | 2020-09-28 | 2020-09-28 | Intelligent multifunctional sewing machine |
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| Publication Number | Publication Date |
|---|---|
| CN111962226A true CN111962226A (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011045978.1A Withdrawn CN111962226A (en) | 2020-09-28 | 2020-09-28 | Intelligent multifunctional sewing machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112779685A (en) * | 2021-01-30 | 2021-05-11 | 琦星智能科技股份有限公司 | Sewing machine has combination wheel of adjusting gauge needle |
| CN112899907A (en) * | 2021-01-21 | 2021-06-04 | 台州市速普机电有限公司 | Sewing machine with compound adjusting device |
| CN112962229A (en) * | 2021-04-08 | 2021-06-15 | 台州市速普机电有限公司 | Novel sewing machine |
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| CN114687084A (en) * | 2020-12-31 | 2022-07-01 | 台州市速普机电有限公司 | Sewing machine |
| CN112899907A (en) * | 2021-01-21 | 2021-06-04 | 台州市速普机电有限公司 | Sewing machine with compound adjusting device |
| CN112779685A (en) * | 2021-01-30 | 2021-05-11 | 琦星智能科技股份有限公司 | Sewing machine has combination wheel of adjusting gauge needle |
| CN113026233A (en) * | 2021-03-19 | 2021-06-25 | 浙江沪龙科技股份有限公司 | Device for realizing multifunctional driving by single motor and sewing machine |
| CN113026233B (en) * | 2021-03-19 | 2022-07-26 | 浙江沪龙科技股份有限公司 | Device for realizing multifunctional driving by single motor and sewing machine |
| CN113026222A (en) * | 2021-03-24 | 2021-06-25 | 浙江沪龙科技股份有限公司 | Sewing machine |
| CN112962229A (en) * | 2021-04-08 | 2021-06-15 | 台州市速普机电有限公司 | Novel sewing machine |
| CN115233385A (en) * | 2021-04-23 | 2022-10-25 | 杰克科技股份有限公司 | Sewing machine, thread trimming device thereof and thread trimming control method |
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| CN115233385B (en) * | 2021-04-23 | 2023-06-20 | 杰克科技股份有限公司 | Sewing machine, thread cutting device thereof and thread cutting control method |
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Application publication date: 20201120 |