CN212560689U - Intelligent multifunctional sewing machine - Google Patents

Intelligent multifunctional sewing machine Download PDF

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Publication number
CN212560689U
CN212560689U CN202022176288.1U CN202022176288U CN212560689U CN 212560689 U CN212560689 U CN 212560689U CN 202022176288 U CN202022176288 U CN 202022176288U CN 212560689 U CN212560689 U CN 212560689U
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China
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driving wheel
sewing machine
composite driving
thread
presser foot
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CN202022176288.1U
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Chinese (zh)
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李质彬
刘冰
刘霖
林云山
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Qixing Intelligent Technology Co Ltd
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Qixing Intelligent Technology Co Ltd
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Abstract

The application provides a multi-functional sewing machine of intelligence, concretely relates to sewing machine makes technical field, has the power supply, the power supply has back output shaft, back output shaft comes control backstitch needle apart from adjustment mechanism, its characterized in that, back output shaft is fixed with compound drive wheel, the running groove that compound drive wheel has acts on the crank. The method and the device have the advantages that the power source is utilized to execute the adjustment of the backstitch stitch distance, so that the running efficiency of the backstitch stitch distance is fully exerted, the intelligent control level is improved, 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

Intelligent multifunctional sewing machine
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
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 rear output shaft, and the rear output shaft controls a backstitch needle distance adjusting mechanism.
Preferably, the backstitch needle distance adjusting running groove, the thread cutting running groove and the presser foot lifting running groove are arranged on the running groove of the composite driving wheel, the backstitch needle distance adjusting running groove is not arranged in the composite driving wheel by taking the central point of the composite driving wheel as the center of a circle, and the running grooves are arranged so that each action of the composite driving wheel is responsible for each action under the rotation of the composite driving wheel and do not interfere with each other, so that the composite driving wheel has a high design advantage.
Preferably, the compound driving wheel drives the shaft sleeve of the backward sewing needle distance adjusting operation groove under the back and forth rotation of the power source, the compound driving wheel drives the thread trimming operation groove and the thread trimming crank under the back and forth rotation of the power source, and the compound driving wheel drives the 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 composite driving wheel.
Preferably, the composite transmission wheel is provided in a split type.
Preferably, the composite driving wheel is divided into a composite driving wheel inner limiting plate, a composite driving wheel base plate and a composite driving wheel outer buckle plate, and the composite driving wheel inner limiting plate and the composite driving wheel outer buckle plate are fixed on the composite driving wheel base plate through fasteners.
Preferably, the composite driving wheel is divided into a composite driving wheel inner limiting plate, a composite driving wheel base plate and a composite driving wheel outer buckle plate, and the composite driving wheel inner limiting plate and the composite driving wheel outer buckle plate are welded on the composite driving wheel base plate.
The method and the device have the advantages that the power source is utilized to execute the adjustment of the backstitch stitch distance, so that the running efficiency of the backstitch stitch distance is fully exerted, the intelligent control level is improved, 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 schematic diagram of a composite driving wheel of an intelligent multifunctional sewing machine according to 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 diagram illustrating a running groove profile of a compound driving wheel of an intelligent multifunctional sewing machine according to the present application;
FIG. 8 is a layout diagram of an inner limiting plate of a composite driving wheel of an intelligent multifunctional sewing machine according to the present application;
FIG. 9 is a schematic view of a composite drive wheel base plate of an intelligent multifunction sewing machine of the present application;
FIG. 10 is an outer buckle plate of a composite driving wheel of the intelligent multifunctional sewing machine.
The reference numbers are as follows: the device comprises a power source 10, a front output shaft 11, a rear output shaft 12, a compound transmission wheel 13, a running groove 131, a backstitch stitch length adjusting running groove 13a, a thread cutting running groove 13b, a pressure raising and pressing foot running groove 13c, a compound transmission wheel inner limiting plate 1a3, a compound transmission wheel base plate 1b3, a compound transmission wheel outer buckle plate 1c3, a pressure raising and pressing foot thread loosening cam 15, a first circular 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 length adjusting mechanism 30, the presser foot lifting mechanism 40 and the thread releasing mechanism 50, and specifically, the composite transmission wheel 13 and the presser foot lifting and releasing cam 15 are fixed on the rear output shaft 12, and the thread cutting crank 21 is fixed on the front output shaft 11. Under the operation of the power source 10, the compound driving wheel 13, the thread trimming crank 21 and the presser foot lifting and releasing cam 15 are sequentially driven 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, and the sequence of the actions is the back stitching needle pitch adjusting action, the thread releasing action and the thread trimming action, and finally the presser foot lifting action.
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 thread releasing cam 15 close to the power source 10, and the composite driving 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 composite driving wheel 13, a feeding shaft 31, a swinging seat 33, a crank 34, a connecting rod 35 and a fixed shaft 36.
The compound driving wheel 13 makes corresponding swinging motion under the back and forth rotation of the power source 10, the compound driving 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 thread cutting running groove 13b and a presser foot lifting running groove 13c (shown in figure 7), the back stitching needle distance adjusting running groove 13a is not arranged in the compound driving wheel 13 by taking the central point of the compound driving wheel 13 as the center of a circle, and the thread cutting running groove 13b and the presser foot lifting running groove 13c are arranged in the compound driving wheel 13 by taking the central point of the compound driving wheel 13 as the center of a circle.
One end of the crank 34 is movably connected in the operation groove 131 of the composite transmission wheel 13, specifically, a shaft sleeve 341 provided on the crank 34 is positioned in the operation 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 reverse sewing needle pitch adjusting mechanism 30, the composite driving wheel 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 reverse sewing needle pitch adjusting mechanism 30.
During the backstitch stitch pitch adjusting operation, when the compound transmission wheel 13 is driven to rotate, the presser foot thread releasing cam 15 fixed on 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, however, 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 rod 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 wheel 22 at the same time, 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 presser foot lifting operation groove 13c is concentrically arranged with the compound transmission wheel 13, the power source 10 does not generate a swinging source for the crank 34 when operating in the presser foot lifting operation groove 13c, and provides a rotating force for the presser foot lifting thread releasing cam 15.
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 the thread cutting action, and because the thread cutting operation groove 13b and the composite driving wheel 13 are concentrically arranged, the power source 10 does not generate a swinging source for the crank 34 when operating in the pressure foot lifting operation groove 13c, and provides a 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 is required to be executed, the power source 10 enters the presser foot lifting operation groove 13c to operate, and the power source 10 drives the presser foot lifting thread loosening cam 15 to rotate without generating action thrust on the thread trimming crank 21 and the compound transmission wheel 13 because the presser foot lifting operation groove 13c and the compound transmission wheel 13 are concentrically arranged.
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 compound transmission wheel 13 to rotate in the presser foot 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 compound transmission wheel 13 to rotate reversely in the 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 reverse stitch pitch adjusting mechanism, the thread cutting mechanism, the thread releasing mechanism and the presser foot lifting mechanism within the ranges of the reverse stitch pitch adjusting running groove 13a, the thread cutting running groove 13b and the 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 compound transmission wheel 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 compound transmission wheel 13 is provided in a split manner, in fig. 8 and fig. 10, the compound transmission wheel is divided into three parts, and includes a compound transmission wheel inner limit plate 1a3, a compound transmission wheel base plate 1b3 and a compound transmission wheel outer buckle plate 1c3, but in the implementation of the present application, the compound transmission wheel inner limit plate 1a3, the compound transmission wheel base plate 1b3 and the compound transmission wheel outer buckle plate 1c3 are recombined to form a complete compound transmission wheel, so that the function of the first embodiment can be realized, and there are various methods to fix the compound transmission wheel inner limit plate 1a3 and the compound transmission wheel outer buckle plate 1c3 on the compound transmission wheel base plate 1b3, and here, 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 (8)

1. An intelligent multifunctional sewing machine is provided with a power source (10), wherein the power source (10) is provided with a rear output shaft (12), the rear output shaft (12) is used for controlling a backstitch stitch distance adjusting mechanism (30), and the intelligent multifunctional sewing machine is characterized in that a composite driving wheel (13) is fixed on the rear output shaft (12), and a running groove (131) arranged on the composite driving wheel (13) acts on a crank (34).
2. An intelligent multifunctional sewing machine according to claim 1, characterized in that the running groove (131) has a backstitch stitch pitch adjusting running groove (13a), a thread cutting running groove (13b) and a presser foot lifting running groove (13c) acting on the crank (34).
3. An intelligent multifunctional sewing machine according to claim 2, characterized in that the backstitch needle distance adjusting running groove (13a), the thread cutting running groove (13b) and the presser foot lifting running groove (13c) are arranged on the running groove (131) of the compound transmission wheel (13), and the backstitch needle distance adjusting running groove (13a) is not arranged in the compound transmission wheel (13) by taking the central point of the compound transmission wheel (13) as the center of a circle.
4. The intelligent multifunctional sewing machine according to claim 1, wherein the compound driving wheel (13) drives the 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 compound driving wheel (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 compound driving wheel (13) drives the presser foot lifting operation groove (13c) and the presser foot thread loosening cam (15) under the back and forth rotation of the power source (10).
5. An intelligent multifunctional sewing machine according to claim 1, characterized in that the crank (34) is connected with one end in the running groove (131) of the compound driving wheel (13).
6. An intelligent multifunctional sewing machine according to claim 1, characterized in that the compound transmission wheel (13) is provided in a split type.
7. The intelligent multifunctional sewing machine as claimed in claim 6, wherein the composite driving wheel is divided into a composite driving wheel inner limiting plate (1a3), a composite driving wheel base plate (1b3) and a composite driving wheel outer buckle plate (1c3), and the composite driving wheel inner limiting plate (1a3) and the composite driving wheel outer buckle plate (1c3) are fixed on the composite driving wheel base plate (1b3) through fasteners.
8. The intelligent multifunctional sewing machine as claimed in claim 6, wherein the composite driving wheel is divided into a composite driving wheel inner limiting plate (1a3), a composite driving wheel base plate (1b3) and a composite driving wheel outer buckle plate (1c3), and the composite driving wheel inner limiting plate (1a3) and the composite driving wheel outer buckle plate (1c3) are welded on the composite driving wheel base plate (1b 3).
CN202022176288.1U 2020-09-28 2020-09-28 Intelligent multifunctional sewing machine Active CN212560689U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022176288.1U CN212560689U (en) 2020-09-28 2020-09-28 Intelligent multifunctional sewing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022176288.1U CN212560689U (en) 2020-09-28 2020-09-28 Intelligent multifunctional sewing machine

Publications (1)

Publication Number Publication Date
CN212560689U true CN212560689U (en) 2021-02-19

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ID=74622657

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022176288.1U Active CN212560689U (en) 2020-09-28 2020-09-28 Intelligent multifunctional sewing machine

Country Status (1)

Country Link
CN (1) CN212560689U (en)

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