CN114481481A - Automatic thread amount calculation method for sewing equipment and conveying system - Google Patents
Automatic thread amount calculation method for sewing equipment and conveying system Download PDFInfo
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- CN114481481A CN114481481A CN202111559490.5A CN202111559490A CN114481481A CN 114481481 A CN114481481 A CN 114481481A CN 202111559490 A CN202111559490 A CN 202111559490A CN 114481481 A CN114481481 A CN 114481481A
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C13/00—Auxiliary devices incorporated in embroidering machines, not otherwise provided for; Ancillary apparatus for use with embroidering machines
- D05C13/02—Counting, measuring, indicating, warning, or safety devices
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses an automatic thread amount calculation method of sewing equipment and a conveying system, wherein the calculation method can calculate the conveying thread amount of each needle, the conveying system comprises a thread feeding mechanism and a sewing mechanism, a driving extrusion wheel and a driven extrusion wheel are arranged on a thread feeding frame, a driving motor is arranged on the driving extrusion wheel, the driving motor drives the driving extrusion wheel to rotate, the driving motor is electrically connected with a controller, a driven rod is arranged on the driven extrusion wheel, an extrusion rod is arranged on the thread feeding frame, and a pushing bearing is arranged at the free end of the extrusion rod. After the quantity of the thread conveyed by each needle is calculated, the controller controls the driving motor to rotate, the driving motor drives the driving extrusion wheel to rotate, and the driving extrusion wheel drives the sewing thread to push forwards, so that automatic thread feeding is realized, the balance of the quantity of the required sewing thread and the thread feeding quantity is ensured, and the thread feeding is stable.
Description
[ technical field ] A
The invention relates to the field of knitting equipment, in particular to an automatic thread quantity calculation method and a conveying system of sewing equipment.
[ background of the invention ]
At present, the thread quantity conveying of sewing equipment is realized by forcibly pulling and supplying the thread through a thread take-up lever, so that the forced pulling of the machine can cause the instability of the thread quantity supplying during high-speed operation, the thread can be subjected to overlarge tension, the thread strength is seriously reduced, the thread breakage and poor sewing quality can be finally caused, the technical requirement on operators is very high, and the sewing quality can be seriously influenced if the tension of the thread is not well adjusted by the operators. Meanwhile, the tension of the thread is manually adjusted, the production efficiency can be seriously influenced, the existing knitting machine adopts a mechanical friction mode to adjust the thread tension, the consistency of the product quality can be poor due to the tolerance of part assembly, especially for a multi-head multi-needle embroidery machine product, the tension of each machine head of each needle is possibly inconsistent, the produced products are inconsistent, the thread quantity controlled by a mechanical mode cannot meet the requirement of better sewing thread quantity due to the thickness of the sewing cloth, and the sewing quality can also be seriously influenced.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides an automatic thread amount calculation method and a conveying system of sewing equipment, which can automatically convey proper thread amount to the thread amount required by a sewing mechanism.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
an automatic thread amount calculating method for sewing equipment calculates the delivery amount of each needle of a selected sewing stitch according to the cloth thickness of a sewing article, the stitch length, the tightness of a sewing thread and the stitch angle.
Preferably, the sewing stitches include plain stitch, single stitch and other stitch.
Preferably, the calculation formula of the delivery amount per needle of the flat covering needle method is as follows:
La-L1 + L1 a% + ha 2+ Φ a + Φ a 3 θ/180, wherein La is the length of each needle conveying line of the flat package needle method, L1 is the length of the needle trace of the flat package needle method plate, a is the tightness of the flat package needle, the range is 10-100, 10 is taken as a unit, ha is the thickness of the cloth, Φ a is the diameter of the sewing thread, and θ is the angle of the sewing needle trace direction.
Preferably, the calculation formula of the delivery amount per needle of the single line and other meters stitch is as follows: lb is L2+ 1+ b% + hb + 2+ Φ b + Φ b 3 θ/180, wherein Lb is the length of a single line and the amount of other meters per needle, L2 is the length of a single line and other meters of stitches on a stitch plate, b is the tightness of the single line and other meters of stitches, the range is 10-100, 10 is taken as a unit, hb is the thickness of the fabric, Φ b is the diameter of a sewing thread, and θ is the angle of the direction of the sewing stitches.
Preferably, a sewing method is selected according to the design pattern; and/or determining the stitch length according to the cloth thickness and the design pattern; and/or, setting the tightness of the sewing thread according to the thickness of the cloth and the length of the stitch; and/or, determining the stitch angle according to the design pattern.
An automatic thread amount conveying system of sewing equipment comprises a thread feeding mechanism, wherein the thread feeding mechanism comprises a thread feeding frame and a controller, at least one driving extrusion wheel is arranged on the thread feeding frame, a driven extrusion wheel corresponding to the driving extrusion wheel is further arranged on the thread feeding frame, the driving extrusion wheel and the driven extrusion wheel are both movably connected with the thread feeding frame, a driving motor is arranged on the driving extrusion wheel and drives the driving extrusion wheel to rotate, the driving motor is electrically connected with the controller, a driven rod is arranged on the driven extrusion wheel and is movably connected with the thread feeding frame, an extrusion rod is further arranged, the extrusion rod extrudes the driven rod when thread feeding is needed, and the driven rod drives the driven extrusion wheel to move and be attached to the driving extrusion wheel; the controller controls the driving motor to rotate, the driving motor drives the driving extrusion wheel to rotate, the driving extrusion wheel and the driven extrusion wheel are matched to drive the sewing thread to be pushed forwards, automatic thread feeding is achieved, and the automatic thread feeding amount is calculated according to the automatic thread amount calculating method of the sewing equipment.
Preferably, a driving wheel is arranged on the driving motor, a driven wheel is arranged on the driving extrusion wheel, and a transmission belt is arranged between the driven wheel and the driving wheel; and/or, the free end of the extrusion rod is provided with a pushing bearing, the pushing bearing is movably connected with the extrusion rod, and the driven rod is extruded through the pushing bearing.
Preferably, the wire feeding frame is provided with a clamping mechanism, and the clamping mechanism is fixedly connected with the wire feeding frame.
Preferably, add and hold the mechanism including adding and holding the seat, add and hold and set up on the seat and add and hold the piece, add and hold piece swing joint on adding and holding the seat, add and hold the piece and be connected with horizontal push rod, horizontal push rod one end with add and hold piece fixed connection, the horizontal push rod other end set up vertical push rod, vertical push rod other end set up the tight cam that rises, the tight cam that rises with indulge the push rod overlap joint, horizontal push rod, vertical push rod and the tight cam that rises all with send line frame swing joint, the tight cam that rises on set up the transmission shaft, transmission shaft and the tight cam fixed connection that rises.
Preferably, the wire feeding frame is also provided with a photoelectric sensor, and the photoelectric sensor is fixedly connected with the wire feeding frame; and/or the thread feeding frame is also provided with a thread take-up lever which is movably connected with the thread feeding frame.
The invention has the following beneficial effects: the sewing machine does not need to adjust the thread tension, the controller controls the operation panel to determine the thickness of the sewing material and the type of the sewing thread, the computer control system can automatically convey proper thread amount to the thread amount required by the sewing mechanism, and even an inexperienced operator can easily perform sewing operation; through the supply of the electronic control thread amount, the tension applied to the thread by the movement of the sewing mechanism is very weak or even zero, so that the sewing thread is more stable, the sewing quality is effectively improved, and the thread breakage rate is reduced.
The sewing mechanism has no influence on the thread, so that the sewing states of each needle rod of each machine head are ensured to be similar, and the consistency of the sewing product is ensured; in sewing production, the quality requirement of the sewing product is often required to be changed, for example, some people need to level the sewing product, and some people need to have stronger stereoscopic impression of the sewing product. Then, depending on the requirements of the user, the control system can modify the relevant parameters, such as the thread amount, and the sewing effect can be changed.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention is further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a flat pack needle method;
FIG. 2 is a schematic diagram of a single line and other rice stitches;
FIG. 3 is a schematic view of a sewing direction of the present invention;
FIG. 4 is a graphical illustration of a sewing of the present invention;
FIG. 5 is a schematic perspective view of the present invention;
FIG. 6 is a schematic plan view of the present invention;
FIG. 7 is a schematic view of another plan configuration of the present invention;
fig. 8 is a schematic plan view of the other side of fig. 7.
100. A wire feeding mechanism; 200. a sewing mechanism; 1. a driving extrusion wheel; 2. a passive extrusion wheel; 3. a photosensor; 4. a clamping mechanism; 41. a holding seat; 42. a holding piece is added; 5. a take-up lever; 6. a drive motor; 7. Pushing the bearing; 8. a drive shaft; 9. a tensioning cam; 11. a longitudinal push rod; 12. a passive rod; 13. a horizontal push rod; 14. a driving wheel; 15. a drive belt; 16. a driven wheel; 17. a wire feeding frame; 18. a sewing frame; 19. an extrusion stem; 31. a thread take-up spring; 32. a needle; A. and sewing a thread line.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items
Example (b): an automatic thread amount calculating method (see fig. 1-4) of a sewing machine, comprising the steps of:
1.1, analyzing the design pattern of the needed sewed article, and selecting a sewing needle method;
1.2, measuring the thickness of the cloth of the article to be sewn, and determining the length of the stitch according to the design pattern;
1.3, setting the tightness of the sewing thread according to the thickness of the cloth and the length of stitches;
1.4, determining the stitch angle according to the design pattern;
and 1.5, calculating the conveying amount of each needle of the sewing method according to the thickness of the cloth, the length of the stitch, the tightness of the sewing thread and the stitch angle.
The sewing stitches include plain stitch, single stitch and other stitch.
The calculation formula of the conveying amount of each needle of the flat package needle method is as follows:
la (L1 + L1 a% + ha (2 + Φ a) + Φ a (3 a). theta./180), wherein La is the length of each needle conveying line of the flat package needle method, L1 is the length of the needle trace of the flat package needle method plate, a is the tightness of the flat package needle (the range is 10-100, and the unit is 10), ha is the thickness of the cloth, Φ a is the diameter of the sewing thread, and theta is the angle of the sewing needle trace direction.
The calculation formula of the delivery amount per needle of the single-thread and other-meter stitch is as follows:
lb is L2+1 b% + hb + 2+ Φ b + Φ b 3 θ/180, wherein Lb is the length of a single thread and other meters per needle, L2 is the length of a single thread and other meters of stitches on a needle pattern tape, b is the tightness of the single thread and other meters of stitches (the range is 10-100, and the unit is 10), hb is the thickness of the fabric, Φ b is the diameter of the sewing thread, and θ is the angle of the sewing direction.
The following takes the flat covering needle method as an example, and the specific steps are as follows:
according to the sewing requirement, the cloth thickness ha is 2mm, the stitch direction is a stitch directional diagram at the upper left corner in the drawing 3, at the moment, theta is 30 degrees, the stitch length L1 is 5mm, the flat package needle tightness a is 50, the sewing thread diameter phi a is 0.4mm, and then the conveying amount of each needle of the flat package needle method is as follows:
La＝L1+L1*a％+ha*2+Φa+Φa*3*θ/180
＝5+5*50％+2*2+0.4+0.4*3*30/180＝12.1mm
the feed rate per needle of the flat-covered stitch obtained at this time was 12.1 mm.
The calculation formula can be stored in the controller in a program mode, when sewing is needed, all parameters are directly input into the controller, and the conveying amount of each needle can be directly calculated by the controller, so that the self-conveying of the thread amount of each needle is realized.
The embroidery machine stitch method is generally divided into a reciprocating stitch method and a flat package stitch method, and also into a single stitch method and other rice stitch methods, and the knotting structures of bottom threads of the two stitch methods are slightly different, so that the two stitch methods and the direction need to be distinguished in the aspect of thread quantity control.
As shown in figure 1, the ratio of the bottom thread to the upper thread can be seen on the back of the embroidery, figure C shows the centered embroidery, and figure A shows that the ratio of the upper thread to the lower thread is large, the quantity of the upper thread is large, the stereoscopic impression of the embroidery is strong, and the deformation influence on the cloth is small. And the B picture shows that the facial line accounts for less, the facial line amount is less, the smoothness of the embroidery is better, and the deformation influence on the cloth is larger. Of course, there are corresponding demands for the market with two kinds of embroidery, so that the supply of thread amount can be changed according to the demands.
In addition to the above effects, the stitch direction of single needle and other needle stitches also has an effect on thread quantity and quality. In fig. 2, the view D is the positive direction of sewing, and the bottom thread and the top thread are in a half-cross knotted state. The bottom thread and the surface thread in the negative direction are in a full-crossing knotted state, so the thread requirements of the bottom thread and the surface thread are different.
An automatic thread amount feeding system (see fig. 5-8) of sewing equipment comprises a thread feeding mechanism 100 and a sewing mechanism 200, the wire feeding mechanism 100 comprises a wire feeding frame 17 and a controller, nine driving extrusion wheels 1 are arranged on the wire feeding frame 17, the wire feeding frame 17 is also provided with a driven extrusion wheel 2 corresponding to the driving extrusion wheel 1, the driving extrusion wheel 1 and the driven extrusion wheel 2 are both movably connected with the wire feeding frame 17, the driving extrusion wheel 1 is provided with a driving motor 6, the driving motor 6 drives the driving extrusion wheel 1 to rotate, the driving motor 6 is electrically connected with a controller, a driven rod 12 is arranged on the driven extrusion wheel 2, the wire feeding frame 17 is provided with an extrusion rod 19, the free end of the extrusion rod 19 is provided with a push bearing 7, the pushing bearing 7 is movably connected with the extrusion rod 19, and the driven rod 19 is movably connected with the wire feeding frame 17.
The driving motor 6 is provided with a driving wheel 14, the driving extrusion wheel 1 is provided with a driven wheel 16, a transmission belt 15 is arranged between the driven wheel 16 and the driving wheel 14, the wire feeding frame 17 is provided with a clamping mechanism 4, the clamping mechanism 4 is fixedly connected with the wire feeding frame 17, the clamping mechanism 4 comprises a clamping seat 41, the clamping seat 41 is provided with a clamping sheet 42, the clamping sheet 42 is movably connected with the clamping seat 41, the clamping sheet 42 is connected with a transverse push rod 13, the transverse push rod is also provided with a return spring, one end of the transverse push rod 13 is fixedly connected with the clamping sheet 42, the other end of the transverse push rod 13 is provided with a longitudinal push rod 11, the other end of the longitudinal push rod 11 is provided with a tensioning cam 9, the tensioning cam 9 is in lap joint with the longitudinal push rod 11, the transverse push rod 13, the longitudinal push rod 11 and the wire feeding frame 17 are all movably connected with the wire feeding frame 17, the tensioning cam 9 is provided with a tensioning shaft 8, the automatic sewing machine is characterized in that the transmission shaft 8 is fixedly connected with the tensioning cam 9, the photoelectric sensor 3 is further arranged on the thread feeding frame 17, the photoelectric sensor 3 is fixedly connected with the thread feeding frame 17, the thread taking-up lever 5 is further arranged on the thread feeding frame 17, the thread taking-up lever 5 is movably connected with the thread feeding frame 17, the sewing mechanism 200 comprises a sewing frame 18, a machine needle 32 is arranged at the lower end of the sewing frame 18, the machine needle 32 is movably connected with the sewing frame 18, a thread taking-up spring 31 is arranged above the machine needle 32, and the thread taking-up spring 31 is movably connected with the sewing frame 32.
When the application needs to feed thread, the extrusion rod drives the pushing bearing, when the color is changed to the embroidery needle position, the pushing bearing can extrude the driven rod, the driven rod is extruded, the driven extrusion wheel is attached to the driving extrusion wheel under the driving of the driven rod, the controller controls the driving motor to rotate, the driving motor drives the driving extrusion wheel to rotate, the driving extrusion wheel drives the sewing thread to push forwards, automatic thread feeding is realized, the quantity of required sewing and the quantity of thread fed are ensured to be balanced, the thread feeding is stable, the driving motor drives the driving wheel to rotate, the driven wheel is driven to rotate through the transmission belt, further the driving extrusion wheel is driven to rotate, the clamping mechanism comprises a clamping piece and a clamping seat, the transmission shaft rotates to drive the tensioning cam to rotate, the tensioning cam drives the longitudinal push rod to reciprocate, the longitudinal push rod drives the transverse push rod to reciprocate, under the action of the return spring, further the opening and closing actions of the clamping piece and the clamping seat are realized, when the holding piece and the holding seat are closed, the sewing thread is locked, the photoelectric sensor can not only play a role in thread amount feedback compensation, but also can be used for monitoring the conditions such as whether the sewing thread is broken or not, the thread take-up lever can play a thread take-up role, the stability of thread feeding is further ensured, the thread take-up spring plays a role in thread feeding, and a machine needle is used for sewing the articles such as cloth and the like which need to be sewn.
When the sewing mechanism does not need the thread, the clamping mechanism 4 is in a closed state, namely the tensioning cam is in an interval of 100 to 30 degrees, and the clamping mechanism 4 is in a closed state, so that the redundant thread is prevented from entering a sewing area. When the sewing mechanism needs the thread, the clamping mechanism is in an open state, so that the sewing mechanism can ensure that the thread time of the sewing mechanism is 30-100 degrees and 70 degrees to ensure that the tension of the thread is in a slight or even 0 state, and the thread cannot be damaged. When the sewing mechanism is in a closed state, the thread feeding mechanism can convey the required thread amount to the area between the thread feeding mechanism and the clamping mechanism in advance to wait, and as can be known from a graph shown in a graph in fig. 4, the conveying time can be 100-30 degrees and 290 degrees, and compared with the prior art which only has 70 degrees, the conveying time can be greatly relieved, and the phenomenon that the thread is in an abrupt change state can not occur. The embroidery machine can reduce the stress degree of the thread to the minimum, effectively reduce thread breakage and improve the quality of embroidery.
This application also has the function of line volume feedback compensation, implements the hardware component and is photoelectricity code wheel sensor or magnetic sensor, whether accurate or make mechanism consumption line volume and line volume through sensor real time monitoring and carry and reach balanced state with the line volume, if the control finds that there is unbalance between the two, the controller can revise the conveying capacity of line volume by oneself.
Through the automatic thread feeding setting, thread tension does not need to be adjusted, the controller controls the operation panel to determine the thickness of the sewing material and the type of the sewing thread, the computer control system can automatically convey proper thread amount to the thread amount required by the sewing mechanism, and even an inexperienced operator can easily perform sewing operation; through the supply of the electronic control thread amount, the tension applied to the thread by the movement of the sewing mechanism is very weak or even zero, so that the sewing thread is more stable, the sewing quality is effectively improved, and the thread breakage rate is reduced.
The sewing mechanism has no influence on the thread, so that the sewing states of each needle rod of each machine head are ensured to be similar, and the consistency of the sewing product is ensured; in sewing production, the quality requirement of the sewing product is often required to be changed, for example, some people need to level the sewing product, and some people need to have stronger stereoscopic impression of the sewing product. Then, depending on the requirements of the user, the control system can modify the relevant parameters, such as the thread amount, and the sewing effect can be changed.
While the foregoing is directed to embodiments of the present invention, the scope of the invention should not be limited thereby, and it will be apparent to those skilled in the art that the invention includes, but is not limited to, those illustrated in the drawings and described in the foregoing detailed description. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the claims.
Claims (10)
1. An automatic thread amount calculating method of a sewing apparatus is characterized in that the conveying amount of each needle of a selected sewing stitch is calculated according to the cloth thickness of a sewing article, the stitch length, the tightness of a sewing thread and the stitch angle.
2. The automatic thread amount calculating method of a sewing machine according to claim 1, wherein the sewing stitches include a flat covering stitch, a single thread and an other stitch.
3. The automatic thread amount calculating method of a sewing machine according to claim 2, wherein a calculation formula of a feed amount per needle of the flat covering needle method is:
La-L1 + L1 a% + ha 2+ Φ a + Φ a 3 θ/180, wherein La is the length of each needle conveying line of the flat package needle method, L1 is the length of the needle trace of the flat package needle method plate, a is the tightness of the flat package needle, the range is 10-100, 10 is taken as a unit, ha is the thickness of the cloth, Φ a is the diameter of the sewing thread, and θ is the angle of the sewing needle trace direction.
4. The automatic thread amount calculating method of a sewing machine according to claim 2, wherein the calculation formula of the delivery amount per needle of the single thread and the other stitch is:
lb is L2+ 1+ b% + hb + 2+ Φ b + Φ b 3 θ/180, wherein Lb is the length of a single line and the amount of other meters per needle, L2 is the length of a single line and other meters of stitches on a stitch plate, b is the tightness of the single line and other meters of stitches, the range is 10-100, 10 is taken as a unit, hb is the thickness of the fabric, Φ b is the diameter of a sewing thread, and θ is the angle of the direction of the sewing stitches.
5. The automatic thread amount calculating method of a sewing apparatus according to claim 1, wherein a sewing stitch is selected according to a design pattern; and/or determining the length of the stitches according to the thickness of the cloth and the design pattern; and/or, setting the tightness of the sewing thread according to the thickness of the cloth and the length of the stitch; and/or, determining the stitch angle according to the design pattern.
6. An automatic thread amount conveying system of sewing equipment is characterized by comprising a thread feeding mechanism, wherein the thread feeding mechanism comprises a thread feeding frame and a controller, at least one active extrusion wheel is arranged on the thread feeding frame, a passive extrusion wheel corresponding to the active extrusion wheel is further arranged on the thread feeding frame, the active extrusion wheel and the passive extrusion wheel are both movably connected with the thread feeding frame, a driving motor is arranged on the active extrusion wheel and drives the active extrusion wheel to rotate, the driving motor is electrically connected with the controller, a passive rod is arranged on the passive extrusion wheel and is movably connected with the thread feeding frame, an extrusion rod is further arranged, and the extrusion rod extrudes the passive rod when thread feeding is needed, so that the passive rod drives the passive extrusion wheel to move and be attached to the active extrusion wheel; the controller controls the driving motor to rotate, the driving motor drives the driving extrusion wheel to rotate, the driving extrusion wheel and the driven extrusion wheel are matched to drive the sewing thread to be pushed forwards, automatic thread feeding is achieved, and the automatic thread feeding amount is calculated according to the automatic thread amount calculating method of the sewing equipment in any one of claims 1 to 5.
7. The automatic thread amount conveying system of sewing equipment according to claim 6, wherein the driving motor is provided with a driving wheel, the driving extrusion wheel is provided with a driven wheel, and a transmission belt is arranged between the driven wheel and the driving wheel; and/or, the free end of the extrusion rod is provided with a pushing bearing, the pushing bearing is movably connected with the extrusion rod, and the driven rod is extruded through the pushing bearing.
8. The automatic thread amount feeding system of sewing machine of claim 6, wherein the thread feeding rack is provided with a holding mechanism, and the holding mechanism is fixedly connected with the thread feeding rack.
9. The automatic thread amount conveying system of sewing equipment according to claim 8, wherein the clamping mechanism comprises a clamping seat, a clamping piece is arranged on the clamping seat and movably connected to the clamping seat, a transverse push rod is connected to the clamping piece, one end of the transverse push rod is fixedly connected to the clamping piece, a longitudinal push rod is arranged at the other end of the transverse push rod, a tensioning cam is arranged at the other end of the longitudinal push rod, the tensioning cam is in lap joint with the longitudinal push rod, the transverse push rod, the longitudinal push rod and the tensioning cam are movably connected to the thread feeding frame, a transmission shaft is arranged on the tensioning cam, and the transmission shaft is fixedly connected to the tensioning cam.
10. The automatic thread amount feeding system of sewing equipment as claimed in claim 6, wherein a photoelectric sensor is further provided on the thread feeding rack, and the photoelectric sensor is fixedly connected with the thread feeding rack; and/or the thread feeding frame is also provided with a thread take-up lever which is movably connected with the thread feeding frame.
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| CN202123201505.9U Active CN216891513U (en) | 2021-06-11 | 2021-12-20 | Automatic thread amount conveying system of sewing equipment |
| CN202111559490.5A Active CN114481481B (en) | 2021-06-11 | 2021-12-20 | Automatic line quantity calculating method and conveying system for sewing equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN216891513U (en) | 2022-07-05 |
| CN114481481B (en) | 2023-08-15 |
| CN113373613A (en) | 2021-09-10 |
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