CN111005167A - Active thread feeding device and active thread feeding method of embroidery machine - Google Patents
Active thread feeding device and active thread feeding method of embroidery machine Download PDFInfo
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- CN111005167A CN111005167A CN201911308916.2A CN201911308916A CN111005167A CN 111005167 A CN111005167 A CN 111005167A CN 201911308916 A CN201911308916 A CN 201911308916A CN 111005167 A CN111005167 A CN 111005167A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 42
- 238000009956 embroidering Methods 0.000 claims abstract description 4
- 238000013507 mapping Methods 0.000 claims abstract description 4
- 230000003068 static effect Effects 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 13
- 230000008569 process Effects 0.000 description 11
- 238000009434 installation Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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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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- Sewing Machines And Sewing (AREA)
Abstract
The invention provides an active thread feeding device and an active thread feeding method of an embroidery machine. It has solved current technical problem. The active thread feeding device of the embroidery machine and the active thread feeding method comprise a thread stand, wherein a thread reel is rotatably connected to the thread stand, an active thread feeding wheel arranged on the thread stand is arranged below the thread reel, the active thread feeding wheel is connected with a driving motor, the driving motor is connected with a motor rotation angle controller, the motor rotation angle controller is connected with a memory pre-stored with needle step length data, a rotatable passive thread pressing wheel positioned on one side of the active thread feeding wheel is arranged on the thread stand, and the rotation angle of the driving motor and the thread feeding line length of the active thread feeding wheel are in a mapping relation, so that the current needle step length in the memory and the thread feeding line length of the active thread feeding wheel are always kept consistent. The invention has the advantages that the money can be actively fed, the thread feeding amount can be accurately controlled according to the embroidering requirement, and the like.
Description
Technical Field
The invention belongs to the technical field of embroidery machines, and particularly relates to an active thread feeding device and an active thread feeding method of an embroidery machine.
Background
The thread feeding device of the existing embroidery machine is basically and directly transmitted into an embroidery machine head by a thread cylinder to carry out embroidery work, and the thread is easy to break by the pulling of the machine head, so that the working efficiency is influenced; in addition, the thread is directly fed through the machine head, the thread feeding length is difficult to control, if the thread feeding amount is too much, the thread is in a loose state during embroidery, the thread is easy to hook during embroidery, the quality of embroidery is affected, and because the thread cannot bear too large tension during the embroidery process, if the thread feeding amount is too little, the load of the thread is increased, and thread breakage occurs.
In response to this problem, people have also conducted research and study in long-term production and life practices, for example, the chinese utility model patent discloses a thread feeding device for a computerized embroidery machine [ application No.: 201910882293.3], the utility model comprises: including the locking line mechanism that is used for the cooperation to form double-layered line locking action, be used for driving the locking line rocking arm of locking line mechanism action, be used for driving the cam mechanism of locking line rocking arm action, be used for sending the ejection mechanism of line volume control, locking line mechanism is articulated with the one end of locking line rocking arm, cam mechanism's outline and the other end contact of locking line rocking arm, ejection mechanism installs the one side at the locking line machine, ejection mechanism's the rotatable opposite side that passes locking line mechanism of one end, be equipped with in the locking line mechanism and be used for keeping the locking line rocking arm with the reset spring I of cam mechanism outline contact, cam mechanism rotates and drives the locking line rocking arm and rotates around the middle part pivot, the rotation around the middle part of locking line rocking arm drives locking line mechanism and presss from both sides line locking action.
The solution described above improves to some extent some of the problems of the prior art, but it also has at least the following drawbacks: the quantitative thread feeding is realized by adopting an intermittent alternative clamping mode, the length of each thread feeding is fixed, and the embroidery threads with different lengths are difficult to be conveyed according to different stitch lengths in the actual embroidering process.
Disclosure of Invention
The invention aims to solve the problems and provides an active thread feeding device of an embroidery machine, which can realize active thread feeding and accurately control thread feeding amount according to embroidery needs.
Another object of the present invention is to provide an active thread feeding method of an active thread feeding apparatus of an embroidery machine, which addresses the above problems.
In order to achieve the purpose, the invention adopts the following technical scheme: the active thread feeding device of the embroidery machine comprises a thread stand, a thread winding wheel is rotatably connected on the thread stand, an active thread feeding wheel arranged on the thread stand is arranged below the thread winding wheel, the driving wire feeding wheel is connected with a driving motor, the driving motor is connected with a motor rotation angle controller, the motor rotation angle controller is connected with a memory pre-stored with the needle step length data and can control the rotation angle of the driving motor according to the current needle step length data in the memory, the wire frame is provided with a driven wire pressing wheel which is positioned at one side of the driving wire feeding wheel and can rotate, the driving wire feeding wheel and the driven wire pressing wheel are adjacently arranged, and a static friction wire passing gap is formed between the driving wire feeding wheel and the driven wire pressing wheel, the rotation angle of the driving motor and the wire feeding length of the active wire feeding wheel form a mapping relation, so that the current needle step length in the memory is always consistent with the wire feeding length of the active wire feeding wheel.
The passive wire pressing wheel and the active wire feeding wheel clamp the wire in the static friction wire passing gap, the active wire feeding wheel is driven to rotate by the driving motor, and the passive wire pressing wheel passively rotates in the wire feeding process, so that the wire clamped in the static friction wire passing gap is actively fed; in addition, the motor rotation angle controller can control the rotation angle of the driving motor according to the current needle step length data in the memory, and the outer diameter length of the active wire feeding wheel, which passes through the rotation, is the wire length sent out by the wire rod, so that the wire length of the wire rod is more controllable.
In the active thread feeding device of the embroidery machine, the driven thread pressing wheel is arranged on the installation body, the installation body is rotatably connected with the thread frame, the driven thread pressing wheel is positioned at the position deviated from the rotating connection position of the installation body and the thread frame, and an elastic structure which enables the installation body to have a rotating trend so that the driven thread pressing wheel is close to the active thread feeding wheel is arranged between the installation body and the thread frame. The passive wire pressing wheel is connected with the wire frame through the mounting body, and the mounting body is rotatably connected with the wire frame, so that the width of a static friction wire passing gap formed between the passive wire pressing wheel and the active wire feeding wheel is adjustable, and the wire feeding requirements of wires with different thicknesses are met.
In the active thread feeding device of the embroidery machine, the mounting body is V-shaped, the passive thread pressing wheel is arranged at the turning position of the V-shaped, the opening of the V-shaped faces the active thread feeding wheel, the upper end of the mounting body is rotatably connected with the thread stand, the lower end of the mounting body is provided with the operating handle, and the passive thread pressing wheel is rotatably connected with the mounting body.
In the active thread feeding device of the embroidery machine, the elastic structure comprises a torsion spring, one end of the torsion spring acts on the mounting body, and the other end of the torsion spring acts on the thread stand. The torsion spring can enable the passive wire pressing wheel to have a movement trend towards the active wire feeding wheel, so that wires in the static friction wire passing gap can be stably clamped, the wires are prevented from deviating in the wire feeding process, and the wire feeding is more reliable.
In the active thread feeding device of the embroidery machine, the driving motor is fixed on one side of the thread stand, a rotating shaft hole for the rotating shaft of the driving motor to penetrate out is formed in the thread stand, the active thread feeding wheel is arranged on the rotating shaft of the driving motor, and the active thread feeding wheel and the driving motor are respectively positioned on two side surfaces of the thread stand. The active wire feeding wheel and the driving motor are arranged on different sides, so that the driving motor and a wire rod can be prevented from being wound in the wire feeding process, and the driving motor is more convenient to maintain.
In foretell embroidery machine's initiative thread feeding device, the line frame make by rigidity sheet material, the line frame include the riser of vertical setting, the riser lower extreme incline towards the embroidery aircraft nose and set up and form the swash plate, the swash plate lower extreme fix at the embroidery aircraft nose lateral part, initiative thread feeding wheel and passive fabric wheel set up in the riser middle part, the reel setting on riser upper portion.
In the active thread feeding device of the embroidery machine, a first thread guiding structure with a first thread guiding channel is arranged between the upper part of the active thread feeding wheel and the reel, a second thread guiding structure with a second thread guiding channel is arranged below the active thread feeding wheel, and the projections of the first thread guiding channel and the second thread guiding channel in the vertical direction are both positioned on the same side of the projection of the static friction thread passing gap in the vertical direction.
In the active thread feeding device of the embroidery machine, the first thread guiding structure comprises a first guiding seat fixed on the thread stand, the first guiding seat is provided with the first thread guiding channel, the second thread guiding structure comprises a second guiding seat fixed on the thread stand, and the second guiding seat is provided with the second thread guiding channel; the mounting body is positioned between the first guide seat and the second guide seat; the first wire channel and the second wire channel are respectively positioned right above and right below the driving wire feeding wheel, and the central lines of the first wire channel and the second wire channel are superposed; the first wire channel and the second wire channel are both flat-long, and long axes of the first wire channel and the second wire channel are arranged in parallel to the static friction wire passing gap. When the wire is fed, the wire sequentially passes through the first wire channel on the first guide seat, the active wire feeding wheel and the second wire channel on the second guide seat from top to bottom, and the first wire channel and the second wire channel are respectively arranged above and below the active wire feeding wheel to play a role in guiding when the wire is fed, so that the wire is prevented from knotting in the conveying process; in addition, the central lines of the first wire channel and the second wire channel are overlapped, so that the wire rod has the same posture when entering the wire above the active wire feeding wheel and exiting the wire below the active wire feeding wheel, and the bending of the wire rod is reduced.
In the active thread feeding method of the active thread feeding device of the embroidery machine, the motor rotation angle controller reads the current needle step length data in the memory and calculates a control signal for controlling the rotation angle of the driving motor according to the current needle step length data;
the motor rotation angle controller transmits a control signal to the driving motor to control the driving motor to work according to a required rotation angle;
the driving motor works according to a required rotation angle to drive the driving wire feeding wheel to rotate so as to drive a wire to be conveyed by utilizing a static friction wire passing gap between the driving wire feeding wheel and the driven wire pressing wheel;
the motor rotation angle controller continuously reads the length data of the next needle step in the memory;
the current needle step length in the memory is always consistent with the wire feeding length of the active wire feeding wheel by circulating the steps.
In the active thread feeding method of the active thread feeding device of the embroidery machine, the thread is a flat thread.
Compared with the prior art, the active thread feeding device of the embroidery machine has the advantages that: 1. the driving motor drives the driving wire feeding wheel to rotate, and the driven wire pressing wheel passively rotates in the wire feeding process, so that the flat wire clamped in the static friction wire passing gap is downwards conveyed, and automatic wire feeding is realized. 2. The motor rotation angle controller can control the rotation angle of the driving motor according to the current needle step length data in the memory, thereby realizing the accurate control of the thread feeding length according to the embroidery requirement.
Drawings
FIG. 1 is a schematic view of the structure provided by the present invention;
FIG. 2 is a flow chart of the work provided by the present invention;
in the figure, an embroidery machine head 1a, a thread stand 1, a reel 2, a motor rotation angle controller 3, an active thread feeding wheel 4, a memory 5, a passive thread pressing wheel 6, a static friction thread passing gap 7, a mounting body 8, an operating handle 9, a driving motor 10, a rotating shaft hole 11, a rotating shaft 12, a vertical plate 13, an inclined plate 14, a first thread guide structure 15, a first thread guide structure 16, a second thread guide structure 17, a second thread guide structure 18, a first guide seat 19 and a second guide seat 20.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, the active thread feeding device of the embroidery machine comprises a thread stand 1, a thread winding wheel 2 is rotatably connected on the thread stand 1, an active thread feeding wheel 4 arranged on the thread stand 1 is arranged below the thread winding wheel 2, the active thread feeding wheel 4 is connected with a driving motor 10, the driving motor 10 is connected with a motor rotation angle controller 3, the motor rotation angle controller 3 is connected with a memory 5 pre-stored with needle step length data, the motor rotation angle controller 3 can control the rotation angle of the driving motor 10 according to the current needle step length data in the memory 5, a driven thread pressing wheel 6 which is positioned at one side of the active thread feeding wheel 4 and can rotate is arranged on the thread stand 1, the active thread feeding wheel 4 and the driven thread pressing wheel 6 are adjacently arranged, a static friction thread passing gap 7 is formed between the active thread feeding wheel 4 and the driven thread feeding wheel 4, and the rotation angle of the driving motor 10 and the thread feeding length of the active thread feeding wheel 4 are in a mapping relation, so that the.
The passive wire pressing wheel 6 and the active wire feeding wheel 4 clamp the wire in the static friction wire passing gap 7, the active wire feeding wheel 4 is driven to rotate by the driving motor 10, and the passive wire pressing wheel 6 passively rotates in the wire feeding process, so that the wire clamped in the static friction wire passing gap 7 is actively fed; in addition, the motor rotation angle controller 3 can control the rotation angle of the driving motor 10 according to the current needle step length data in the memory 5, and the outer diameter length passed by the rotation of the active wire feeding wheel 4 is the wire length sent out by the wire rod, so that the wire length of the wire rod is more controllable.
The passive wire pressing wheel 6 is arranged on the mounting body 8, the mounting body 8 is rotationally connected with the wire frame 1, the passive wire pressing wheel 6 is located at the position deviated from the rotational connection position of the mounting body 8 and the wire frame 1, an elastic structure enabling the mounting body 8 to have a rotation trend is arranged between the mounting body 8 and the wire frame 1, so that the passive wire pressing wheel 6 is close to the active wire feeding wheel 4, the passive wire pressing wheel 6 is connected with the wire frame 1 through the mounting body 8, the mounting body 8 is rotationally connected with the wire frame 1, and the width of a static friction wire passing gap 7 formed between the passive wire pressing wheel 6 and the active wire feeding wheel 4 is adjustable, so that different wire feeding requirements are met.
Preferably, the mounting body 8 is in a V shape, the driven wire pressing wheel 6 is arranged at the turning part of the V shape, the opening of the V shape faces the driving wire feeding wheel 4, the upper end of the mounting body 8 is rotatably connected with the wire frame 1, the lower end of the mounting body is provided with an operating handle 9, the driven wire pressing wheel 6 is rotatably connected with the mounting body 8, and the operating handle 9 is used for adjusting the tightness of the driven wire pressing wheel 6 facing the driving wire feeding wheel 4. The elastic structure comprises a torsion spring, one end of the torsion spring acts on the mounting body 8, the other end acts on the wire rack 1, the torsion spring can enable the passive wire pressing wheel 6 to have a movement trend towards the active wire feeding wheel 4, so that the wire in the static friction wire passing gap 7 can be pressed more tightly, the wire is prevented from deviating in the wire feeding process, and the wire feeding is more reliable.
Furthermore, the driving motor 10 is fixed on one side of the wire frame 1, a rotating shaft hole 11 for the rotating shaft 12 of the driving motor 10 to penetrate out is formed in the wire frame 1, the driving wire feeding wheel 4 is installed on the rotating shaft 12 of the driving motor 10, the driving wire feeding wheel 4 and the driving motor 10 are respectively located on two side faces of the wire frame 1, the driving wire feeding wheel 4 and the driving motor 10 are arranged on different sides, the driving motor 10 and wires can be prevented from being wound in the wire feeding process, and the driving motor 10 is more convenient to maintain.
The thread stand 1 is made of rigid sheet materials, the thread stand 1 comprises a vertical plate 13 which is vertically arranged, the lower end of the vertical plate 13 inclines towards the embroidery machine head 1a to form an inclined plate 14, the lower end of the inclined plate 14 is fixed on the lateral part of the embroidery machine head 1a, the active thread feeding wheel 4 and the passive thread pressing wheel 6 are arranged in the middle of the vertical plate 13, the reel 2 is arranged on the upper part of the vertical plate 13, a first thread guiding structure 16 with a first thread guiding channel 15 is arranged between the upper part of the active thread feeding wheel 4 and the reel 2, a second thread guiding structure 18 with a second thread guiding channel 17 is arranged below the active thread feeding wheel 4, and the projections of the first thread guiding channel 15 and the second thread guiding channel 17 in the vertical direction are both located on the same.
Furthermore, the first wire guiding structure 16 includes a first guiding seat 19 fixed on the wire rack 1, the first guiding seat 19 is opened with the first wire passage 15, the second wire guiding structure 18 includes a second guiding seat 20 fixed on the wire rack 1, the second guiding seat 20 is opened with the second wire passage 17; the mounting body 8 is positioned between the first guide seat 19 and the second guide seat 20; the first wire channel 15 and the second wire channel 17 are respectively positioned right above and right below the driving wire feeding wheel 4, and the central lines of the first wire channel 15 and the second wire channel 17 are superposed; the first wire channel 15 and the second wire channel 17 are both flat and long, and long axes of the first wire channel 15 and the second wire channel 17 are arranged in parallel to the static friction wire passing gap 7; when the wire is fed, the wire sequentially passes through the first wire channel 15 on the first guide seat 19, the active wire feeding wheel 4 and the second wire channel 17 on the second guide seat 20 from top to bottom, and the first wire channel 15 and the second wire channel 17 are respectively arranged above and below the active wire feeding wheel 4 to play a role in guiding during wire feeding, so that the wire is prevented from knotting in the conveying process; in addition, the center lines of the first wire channel 15 and the second wire channel 17 are overlapped so that the wire rod is fed above the active wire feeding wheel 4 and has the same posture when being fed below the active wire feeding wheel 4, thereby reducing the bending of the wire rod.
The active thread feeding method of the embroidery machine of the active thread feeding device of the embroidery machine comprises the following steps:
the motor rotation angle controller 3 reads the current needle step length data in the memory 5 and calculates a control signal for controlling the rotation angle of the driving motor 10 according to the current needle step length data;
the motor rotation angle controller 3 transmits a control signal to the driving motor 10 to control the driving motor 10 to work according to a required rotation angle;
the driving motor 10 works according to the required rotation angle to drive the driving wire feeding wheel 4 to rotate, so that the static friction wire passing gap 7 between the driving wire feeding wheel 4 and the driven wire pressing wheel 6 is utilized to drive the wire to be conveyed;
the motor rotation angle controller 3 continuously reads the next needle step length data in the memory 5;
the current stitch length in the memory 5 is always consistent with the wire feeding length of the driving wire feeding wheel 4 by circulating the steps.
Here, the wire is a flat wire.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although terms such as the embroidery machine head 1a, the bobbin 1, the reel 2, the motor rotation angle controller 3, the active wire feeding wheel 4, the storage 5, the passive wire pressing wheel 6, the stiction wire passing gap 7, the mounting body 8, the operating handle 9, the driving motor 10, the rotating shaft hole 11, the rotating shaft 12, the vertical plate 13, the inclined plate 14, the first wire passage 15, the first wire guide structure 16, the second wire passage 17, the second wire guide structure 18, the first guide seat 19, the second guide seat 20, etc., are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides an embroidery machine's initiative thread feeding device, includes line frame (1), rotates on line frame (1) and is connected with reel (2), its characterized in that, reel (2) below be equipped with initiative thread feeding wheel (4) of setting on line frame (1), initiative thread feeding wheel (4) link to each other with driving motor (10), driving motor (10) link to each other with motor turned angle controller (3), motor turned angle controller (3) link to each other just with memory (5) that have needle step length data in advance motor turned angle controller (3) can be according to the turned angle of current needle step length data control driving motor (10) in memory (5), line frame (1) on be equipped with and be located initiative thread feeding wheel (4) one side and rotatable passive fabric wheel (6), initiative thread feeding wheel (4) and passive fabric wheel (6) adjacent setting and form static friction between the two and cross line clearance (7) ) The rotation angle of the driving motor (10) and the wire feeding length of the driving wire feeding wheel (4) are in a mapping relation, so that the current needle step length in the memory (5) and the wire feeding length of the driving wire feeding wheel (4) are always kept consistent.
2. The active thread feeding device of an embroidery machine according to claim 1, wherein the passive thread pressing wheel (6) is arranged on a mounting body (8), the mounting body (8) is rotatably connected with the thread stand (1) and the passive thread pressing wheel (6) is positioned at a position deviated from the rotating connection position of the mounting body (8) and the thread stand (1), and an elastic structure which enables the mounting body (8) to have a rotating trend so that the passive thread pressing wheel (6) is close to the active thread feeding wheel (4) is arranged between the mounting body (8) and the thread stand (1). The passive wire pressing wheel (6) is connected with the wire frame (1) through the mounting body (8), and the mounting body (8) is rotatably connected with the wire frame (1), so that the width of a static friction wire passing gap (7) formed between the passive wire pressing wheel (6) and the active wire feeding wheel (4) is adjustable, and the wire feeding requirements of flat gold wires with different thicknesses are met.
3. The active thread feeding device of an embroidery machine according to claim 2, characterized in that the mounting body (8) is V-shaped, the passive thread pressing wheel (6) is arranged at the turning point of the V-shape, the opening of the V-shape faces the active thread feeding wheel (4), the upper end of the mounting body (8) is rotatably connected with the thread stand (1), the lower end is provided with an operating handle (9), and the passive thread pressing wheel (6) is rotatably connected with the mounting body (8).
4. The active thread feeding apparatus of an embroidery machine according to claim 2, wherein the elastic structure comprises a torsion spring, one end of which acts on the mounting body (8) and the other end of which acts on the thread stand (1).
5. The active thread feeding device of an embroidery machine according to claim 1, 2, 3 or 4, characterized in that the driving motor (10) is fixed at one side of the thread stand (1), the thread stand (1) is provided with a rotating shaft hole (11) for the rotating shaft (12) of the driving motor (10) to penetrate through, the active thread feeding wheel (4) is installed on the rotating shaft (12) of the driving motor (10), and the active thread feeding wheel (4) and the driving motor (10) are respectively positioned at two side surfaces of the thread stand (1).
6. The active thread feeding device of an embroidery machine according to claim 5, wherein the thread stand (1) is made of a rigid sheet material, the thread stand (1) includes a vertical plate (13) vertically arranged, the lower end of the vertical plate (13) is inclined toward the embroidery machine head (1a) to form an inclined plate (14), the lower end of the inclined plate (14) is fixed at the side of the embroidery machine head (1a), the active thread feeding wheel (4) and the passive thread pressing wheel (6) are arranged at the middle of the vertical plate (13), and the thread winding wheel (2) is arranged at the upper part of the vertical plate (13).
7. The active thread feeding device of the embroidery machine according to claim 2, 3 or 4, characterized in that a first thread guiding structure (16) with a first thread guiding channel (15) is arranged between the upper part of the active thread feeding wheel (4) and the reel (2), a second thread guiding structure (18) with a second thread guiding channel (17) is arranged below the active thread feeding wheel (4), and the projections of the first thread guiding channel (15) and the second thread guiding channel (17) in the vertical direction are both positioned on the same side of the projection of the stiction thread passing gap (7) in the vertical direction.
8. The active thread feeding apparatus of an embroidery machine according to claim 7, wherein the first thread guiding structure (16) comprises a first guide seat (19) fixed to the thread stand (1), the first guide seat (19) is formed with the first thread guiding passage (15), the second thread guiding structure (18) comprises a second guide seat (20) fixed to the thread stand (1), and the second guide seat (20) is formed with the second thread guiding passage (17); the mounting body (8) is positioned between the first guide seat (19) and the second guide seat (20); the first wire channel (15) and the second wire channel (17) are respectively positioned right above and right below the active wire feeding wheel (4), and the central lines of the first wire channel (15) and the second wire channel (17) are superposed; the first wire channel (15) and the second wire channel (17) are both flat-long, and long axes of the first wire channel (15) and the second wire channel (17) are arranged in parallel to the static friction wire passing gap (7).
9. An active thread feeding method of an embroidering machine using the active thread feeding apparatus of the embroidering machine according to any one of claims 1 to 8,
the motor rotation angle controller (3) reads the current needle step length data in the memory (5) and calculates a control signal for controlling the rotation angle of the driving motor (10) according to the current needle step length data;
the motor rotation angle controller (3) transmits a control signal to the driving motor (10) to control the driving motor (10) to work according to a required rotation angle;
the driving motor (10) works according to a required rotation angle to drive the driving wire feeding wheel (4) to rotate, so that a static friction wire passing gap (7) between the driving wire feeding wheel (4) and the driven wire pressing wheel (6) is utilized to drive wires to be conveyed;
the motor rotation angle controller (3) continuously reads the length data of the next needle step in the memory (5);
the current needle step length in the memory (5) is always consistent with the wire feeding length of the active wire feeding wheel (4) by circulating the steps.
10. The active thread feeding method of an embroidery machine according to claim 9, wherein the thread is a flat thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911308916.2A CN111005167A (en) | 2019-12-18 | 2019-12-18 | Active thread feeding device and active thread feeding method of embroidery machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911308916.2A CN111005167A (en) | 2019-12-18 | 2019-12-18 | Active thread feeding device and active thread feeding method of embroidery machine |
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| CN111005167A true CN111005167A (en) | 2020-04-14 |
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| CN201911308916.2A Pending CN111005167A (en) | 2019-12-18 | 2019-12-18 | Active thread feeding device and active thread feeding method of embroidery machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114481481A (en) * | 2021-06-11 | 2022-05-13 | 浙江信胜科技股份有限公司 | Automatic thread amount calculation method for sewing equipment and conveying system |
| CN115313780A (en) * | 2022-09-01 | 2022-11-08 | 宁波九菱电机有限公司 | Motor winding method and system, storage medium and intelligent terminal |
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