CN106948094A - A kind of needle bar of sewing machine clutch and double needle machine - Google Patents
A kind of needle bar of sewing machine clutch and double needle machine Download PDFInfo
- Publication number
- CN106948094A CN106948094A CN201710340761.5A CN201710340761A CN106948094A CN 106948094 A CN106948094 A CN 106948094A CN 201710340761 A CN201710340761 A CN 201710340761A CN 106948094 A CN106948094 A CN 106948094A
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- sewing machine
- spanner
- fixed seat
- sewing
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B19/00—Programme-controlled sewing machines
- D05B19/02—Sewing machines having electronic memory or microprocessor control unit
- D05B19/12—Sewing machines having electronic memory or microprocessor control unit characterised by control of operation of machine
- D05B19/14—Control of needle movement, e.g. varying amplitude or period of needle movement
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/14—Needle-bar drives
- D05B55/16—Needle-bar drives with provision for disengaging individual needle bars
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention provides a kind of needle bar of sewing machine clutch and double needle machine, belong to double needle machine technical field.It solve existing needle bar of sewing machine clutch to the separation of shank and reset stability it is poor, easily out of order problem.This needle bar of sewing machine clutch, including sliding axle, sliding axle one end is connected with separation assembly, the other end is connected with reset assembly, separation assembly includes rotating shaft, spanner and the branch board component on head, there is plectrum and limited post on spanner, detection components are provided between branch board component and spanner, detection components are used to detecting the left and right swing of above-mentioned spanner and produce left and right separation signal respectively is installed with the driver electricly connected with sewing machine to above-mentioned sewing Electrical Control, on branch board component.This clutch has the advantages that simple and beautiful structure, easy to operate, automatically reseting and separating resets good stability.
Description
Technical field
The invention belongs to stitching process field, it is related to a kind of needle bar of sewing machine clutch and double needle machine.
Background technology
Double needle machine, also known as two-needle sewing machine, the sewing machine for having two suture needles, effect out is that two-wire is arranged side by side, is put down each other
OK.It is the motion of single needle bar when sewing turning, i.e., the separation of a wherein shank does not work as needed, pin needed for then sewing
Number, stops sewing, lifts presser feet, after sewing is rotated according to actual corner angle, then sews required pin number, recovers double after terminating
Shank is moved, i.e., the shank separated before is resetted.The crosspointer bar of double needle machine is left shank and right shank, according to actual need
Separated and reset left shank or right shank, how it realizes the separation of left and right shank and reset the work to double needle machine
It is extremely important.
The shank separation resetting means of existing double needle machine all includes a separation assembly and a reset assembly, is respectively used to start
Or terminate bent angle sewing.At present, the separation assembly includes switching device assembly, limiting plate, limited block, spring and restoring board,
The switching device assembly includes a switching spanner.The switching device assembly is arranged on the head of double needle machine, and switching device assembly is led to
The one end for crossing armshaft and sliding axle is connected, and the reset assembly is arranged on the other end of sliding axle, and the spring is in compression shape
State.At bent angle sewing (left curved sewing or right curved sewing), switching spanner is manually pulled, makes sliding axle shift to right or left, to enter
The separation of the left shank of row or right shank, and block the limited block on switching spanner to keep left shank or right shank by limiting plate
Released state；During reset, manually actuated restoring board makes switching spanner be returned to original state, and in the effect of reset assembly
Under sliding axle is returned to original state.Said structure has the following disadvantages：The operation of shank separation is cut by manually pulling
Spanner realization is changed, the operating process is difficult to grasp；Particularly after shank separation, N1 the and N2 pins sewed before and after rotation sewing are all
By manually rotating handwheel or being completed with riding, and to ensure that N1=N2, i.e. sewing are necessary twice before and after rotating
The same pin number of sewing is by manually controlling, and easily error, so as to cause to do over again, wastes time and energy and efficiency is low, causing need not
The wasting of resources wanted；In addition, it is necessary to first passing through manually actuated restoring board will switch after spanner resets when resetting, could be by multiple
Hyte part resets sliding axle, so as to increase the operating procedure of shank separation, is unfavorable for batch production.
It is existing to disclose a kind of entitled " double needle machine is automatically separated resetting means ", notification number in order to solve the above problems
For CN103276539A Chinese patent, the technical scheme includes, including sliding axle, one end of the sliding axle and separation assembly
Connection, the other end is connected with reset assembly, it is characterised in that：The separation assembly can straight reciprocating motion including a swing rod and one
Drive rod, described swing rod one end is connected with sliding axle, and the other end is connected with drive rod, and swing rod middle part rotationally
It is connected on a mounting bracket, the drive rod is connected with a drive mechanism, the drive mechanism and an automatic control system phase
Connection.The technical scheme realizes the separation of left and right shank by the drive mechanism of bidirectional electromagnet, and its whole turning was sewed
Cheng Zhong, its electromagnet is all attracting state, and due to the adhesive of electromagnet long-time, easily heating is burnt out, therefore in turning sewing distance
In the case that the long shank so as to pickup time length and separation of breaking down can not obtain reset in time, electromagnet can because it is long when
Between adhesive easily heating is burnt out so that whole double needle machine cisco unity malfunction.
The content of the invention
The purpose of the present invention is there is above mentioned problem for existing technology, it is proposed that a kind of left and right pin to double needle machine
Bar separation is realized efficient, stable and is difficult out of order needle bar of sewing machine clutch and double needle machine.
The purpose of the present invention can be realized by following technical proposal：A kind of needle bar of sewing machine clutch, including slide
Axle, the sewing machine includes sewing Electrical Control, and described sliding axle one end is connected with separation assembly, the other end of the sliding axle and
Reset assembly connect, the separation assembly include rotating shaft, spanner and the branch board component on head, described rotating shaft one end with
Above-mentioned sliding axle connection, the other end of the rotating shaft is connected with above-mentioned spanner, has plectrum and limited post on the spanner, when
When above-mentioned plectrum is stirred in left and right direction, above-mentioned spanner is correspondingly left and right to be swung, it is characterised in that：The branch board component and pull
Detection components are provided between hand, the detection components are used to detect the left and right swing of above-mentioned spanner and produce left and right separation respectively
Signal transmission is installed with the driving electricly connected with sewing machine to above-mentioned sewing Electrical Control on described branch board component
Device, after the above-mentioned left and right swing of spanner, described limited post can be spacing by the above-mentioned left and right end of branch board component respectively, the driver
Output shaft drive and above-mentioned resetted by the left and right spacing limited post of branch board component in the presence of driver.
In a kind of above-mentioned needle bar of sewing machine clutch, described branch board component includes support plate and L-shaped consolidated
Reservation one, fixed seat one is the sheet material being mutually connected vertically by a long side and a short side, and above-mentioned driver is fixedly mounted on fixation
On one long side medial surface of seat, above-mentioned support plate is fixedly mounted on the short side lateral surface of fixed seat one.
In a kind of above-mentioned needle bar of sewing machine clutch, described detection components include hall sensor component, suddenly
That detail assembly panel and the magnet mounting seat being fixedly mounted on above-mentioned spanner, the Hall element installing plate are fixedly mounted on
State on support plate or on sewing machine case, the hall sensor component includes a Hall element and left and right magnet, the Hall
Element is installed on Hall element installing plate, has left and right magnet mounting hole, above-mentioned left and right magnet in above-mentioned magnet mounting seat
It is separately mounted on above-mentioned left and right magnet mounting hole, the Hall element is electricly connected with above-mentioned sewing machine, when above-mentioned spanner
During left and right swing, described left and right magnet is respectively just to above-mentioned Hall element.
In a kind of above-mentioned needle bar of sewing machine clutch, described detection components include infrared sensor package, consolidated
Transmitter mounting seat of the Dingan County on above-mentioned support plate and the receiver mounting seat being fixedly mounted on above-mentioned spanner, it is described infrared
Sensor cluster includes an infrared transmitter and left and right infrared remote receiver, and the infrared transmitter is installed in transmitter installation
On seat, there is left and right receiver mounting hole in the receiver mounting seat, above-mentioned left and right infrared remote receiver is separately mounted to
State on left and right receiver mounting hole, described left and right infrared remote receiver is electricly connected with above-mentioned sewing machine, when above-mentioned is pulled
During the left and right swing of hand, described left and right infrared remote receiver is respectively just to above-mentioned infrared transmitter.
In a kind of above-mentioned needle bar of sewing machine clutch, described driver is arranged close under the fuselage of head
Side.
In a kind of above-mentioned needle bar of sewing machine clutch, described driver is electromagnet or the gas with source of the gas
Cylinder.
In a kind of above-mentioned needle bar of sewing machine clutch, jump ring and bullet are arranged with the output shaft of described driver
Spring one, the jump ring is fixed in the middle part of output shaft, and described one end of spring one is resisted against on above-mentioned jump ring, the spring one it is another
End against on a drive, the output shaft outer end is connected with connecting rod, and the connecting rod is L-shaped, the long side of connecting rod with
Output shaft outer end is connected.
In a kind of above-mentioned needle bar of sewing machine clutch, connection is installed on the long side lateral surface of described fixed seat one
Plate, described connecting plate includes being provided with two bar shapeds on structure L-shaped guide part and launched portion, the long side of guide part
Two guide blots are fixed with hole, the above-mentioned long side lateral surface of fixed seat one, its head diameter of guide blot is more than above-mentioned bar shaped
The short side bore in hole, two guide blots are separately mounted in two bar holes and to being oriented to spacing, guide part above and below minister side
Long side is moved back and forth by two holes with respect to the left and right of bolt realizes left and right guiding movement, and guide part short side and launched portion short side hang down
It is straight to be connected, and guide part short side and launched portion top above-mentioned support plate relatively are just to be arrangeding in parallel, above-mentioned connecting rod short side with
Minister side is released to be bolted to connection.
In a kind of above-mentioned needle bar of sewing machine clutch, the described long side face of fixed seat one is horizontal-extending to be formed with
L-shaped fixed seat two, fixed seat two it is long it is horizontal-extending when long by fixed seat one form, the short side of fixed seat two and fixed seat
One long side is vertically arranged, and is installed with the short side lateral surface of fixed seat two in lead column, lead column and is arranged with spring two, above-mentioned
Guide part short side lateral surface on be installed with guide plate, above-mentioned one end of spring two is installed on the short side of fixed seat two, the spring
Two other end is installed on above-mentioned guide plate.
In a kind of above-mentioned needle bar of sewing machine clutch, described clutch also includes being bolted installation
Indicator board on head, the indicator board lower end, which is provided with mark on breach, indicator board lateral surface, L " and " R " mark, on
State mark to be located at directly over breach, above-mentioned plectrum is located at indentation, there, and plectrum is to be vertically arranged with indicator board, during original state, institute
State the centre position that plectrum is located just at identifying " L " and " R ".
In a kind of above-mentioned needle bar of sewing machine clutch, described rotating shaft passes through crank and above-mentioned sliding axle one end
Connection.
A kind of double needle machine, it is characterised in that：The double needle machine has above-mentioned needle bar of sewing machine clutch.
Compared with prior art, this needle bar of sewing machine clutch has following several advantages：
1st, it is simple in construction, it is easy to operate, auto-reset function, more intelligence side can be achieved by controlling the work of driver
Just；It is also possible to close the work such as driver, realize that sewing manually is remained in purely manual sewing cornering maneuver, structure turns
Angle function；
2nd, the sensing of left and right shank separation is realized by detection components simple in construction, sensing accuracy rate is high, and control
Simply, low cost, it is reliable and stable；
3rd, driver is arranged close to below the fuselage of head, reasonably make use of the design feature of head fuselage, hidden
Property it is good, and do not influence on head fuselage other structure operations, meanwhile, monnolithic case is attractive in appearance；
4th, various turnings and multistage turning can be sewed, the computer program on Electrical Control is set by sewing, in sewing
The sewing pin number of distinct program and setting turning difference sewing section is called in control on machine guidance panel, you can automatic entirely different class
Every section of pin number is identical in type turning, two sections and more than three sections of turning and turning or the sewing that differs, and pin number is sewed
Error will not be produced, accurate and intelligence, so that sewing efficiency and quality are high；
5th, keep the released state of shank by then passing through mechanical structure, thus shank separation can be carried out for a long time and
Realize that single needle bar is operated, effectively prevent electromagnet in the prior art and be in heating problem under "on" position for a long time.
Brief description of the drawings
Fig. 1 is the structure chart that this clutch structure is applied on double needle machine.
Fig. 2 is this clutch local structural graph when shank is not separated.
This clutch local structural graph when Fig. 3 is left shank separation.
Fig. 4 is its connecting plate and the structure chart with a fixed seat part in this clutch.
Fig. 5 is the structure chart that this clutch is arranged on head fuselage.
Fig. 6 is the structure chart that Hall element installing plate in this clutch is directly fixedly mounted on sewing machine case.
In figure, 1, sliding axle；2nd, crank；3rd, rotating shaft；4th, spanner；41st, magnet mounting seat；42nd, left magnet；43rd, right magnet；
44th, limited post；45th, plectrum；5th, fixed seat one；51st, guide blot；6th, support plate；61st, Hall element installing plate；62nd, Hall member
Part；7th, electromagnet；71st, output shaft；8th, connecting plate；81st, guide part；811st, bar hole；82nd, launched portion；9th, jump ring；10th, spring
One；11st, connecting rod；12nd, fixed seat two；13rd, lead column；14th, spring two；15th, guide plate；16th, indicator board；161st, breach；17、
Reset assembly；18th, head；19th, fuselage.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Figure 1,2 and 3, this needle bar of sewing machine clutch is used for double needle machine, including sliding axle 1, sliding axle 1 one
End is connected with separation assembly, and the other end is connected with reset assembly 17.It is understood, however, that sewing machine also include head 18,
Fuselage 19, the sewing structure such as Electrical Control and guidance panel, its structure and operating principle are this area known techniques, not detailed
Repeat.Can (such as straight line be turned with the various types of turning of the compiled sewing of calculated in advance machine program in sewing Electrical Control
Angle or camber line turning etc.), the turning (such as two sections or two sections with first-class) of different hop count and every section need the pin number (ratio that sews
Such as every section pin number is identical or part is identical or every section differs) sewing module, then operating personnel pass through operation
Panel input needs the corresponding sewing module in sewing turning and specific every section of sewing pin number, and sewing Electrical Control is held according to setting
The sewing work of row response.
The structure of reset assembly 17 is prior art, and Publication No. CN103276539A Chinese invention patent is disclosed in detail
The structure of the reset assembly 17, meanwhile, the moving back and forth of sliding axle 1 makes that shank is separated and the structure and principle that reset are also in public affairs
The number of opening is prior art, be not described in detail herein to be described in detail in CN103276539A Chinese invention patent.
Separation assembly includes rotating shaft 3, spanner 4 and the branch board component on head 18, and the one end of rotating shaft 3 passes through crank 2
It is connected with the one end of sliding axle 1, the other end is connected with the upper end of spanner 4.Branch board component includes support plate 6 and L-shaped fixed seat one
5, fixed seat 1 is the sheet material being mutually connected vertically by a long side and a short side, and support plate 6 is fixedly mounted on the short side of fixed seat 1
On lateral surface, fixed seat 1 is fixedly mounted on head 18, is used as a carrier of support other structures.Hall element is installed
Plate 61 is fixedly installed on the upper end of support plate 6, and Hall element installing plate 61 is provided with Hall element 62, Hall element 62 and sewing machine
Electricly connect.During assembling, Hall element 62 is first installed on Hall element installing plate 61 (Hall element comparatively more difficult peace
Dress, therefore installed in advance in mechanism), then Hall element installing plate 61 is installed on support plate 6, it is easy to assembly.Certainly, suddenly
You directly can also be fixedly mounted on sewing machine case detail assembly panel 61, as shown in Figure 6.
The lower end of spanner 4 extends vertically to form plectrum 45, limited post 44 is installed with the bottom of spanner 4, limited post 44 is with pulling
Hand 4 is vertically arranged, and the middle part of spanner 4 is provided with magnet mounting seat 41, and the upper end of magnet mounting seat 41 is bolted on spanner 4,
Had on the left and right two ends in bottom and be separately installed with left and right magnet on left and right magnet mounting hole, left and right magnet mounting hole
42,43, the magnetic of left and right magnet 42,43 is of different sizes, so when left and right magnet 42,43 is just right with Hall element 62 respectively
When, the voltage swing that the detection of Hall element 62 is produced can be different, according to voltage swing, and sewing Electrical Control can know that spanner 4 is left
Swing, or right swing, so as to start corresponding sewing module.Stir the left/right of plectrum 45 movement when, right/left magnet can with suddenly
Your element 62 is just right, and Hall element 62 gives sewing Electrical Control so as to produce corresponding voltage signal.Its Hall element 62 and two pieces
Magnet arrangement is simple, and its simple structure can realize the sensing of left and right shank separation, and low cost, control is simple.
Hall element installing plate 61, Hall element 62, magnet mounting seat 41 and left and right magnet 42 in the present embodiment,
The structures such as 43 can by the structures such as transmitter mounting seat, infrared transmitter, receiver mounting seat and left and right infrared remote receiver Lai
Substitute, in addition, as long as can realize that the inductor for detecting the signal that swings can replace said structure.
The long side face of fixed seat 1 is horizontal-extending to be formed with L-shaped fixed seat 2 12, the long side of fixed seat 2 12 by
The long side of fixed seat 1 is horizontal-extending to be formed, and the short side of fixed seat 2 12 is vertically arranged with the long side of fixed seat 1.Driver is electromagnetism
Iron 7, naturally it is also possible to be the cylinder with source of the gas, source of the gas can be air pump source.Electromagnet 7 is mounted by means of bolts on fixation
On the horizontal-extending long side of fixed seat 2 12 out of seat 1.Driver is arranged close to the lower section of fuselage 19 of head 18, reasonably
The design feature of the fuselage 19 of head 18, good concealment are make use of, and does not influence other structure operations on the fuselage 19 of head 18, together
When, monnolithic case is attractive in appearance, as shown in Figure 5.
Jump ring 9 and spring 1 are arranged with the output shaft 71 of driver, jump ring 9 is fixed on the middle part of output shaft 71, spring
One 10 one end are resisted against on jump ring 9, and the other end is against on a drive, and the outer end of output shaft 71 is connected with connecting rod 11, connecting rod
11 is L-shaped.Be provided with groove on the short side of fixed seat 1, the lower end of support plate 6 is provided with recess, the outer end of output shaft 71 by groove and
Recess is connected with the short side of connecting rod 11.It is installed with lead column 13, lead column 13 and is arranged with the short side lateral surface of fixed seat 2 12
Spring 2 14, one end of spring 2 14 is installed on the short side of fixed seat 2 12, and the other end is installed on guide plate 15.
Connecting plate 8 is installed, connecting plate 8 includes structure L-shaped guide part 81 on the long side lateral surface of fixed seat 1
With launched portion 82, two bar holes 811 are provided with the long side of guide part 81, as shown in figure 4, on the long side lateral surface of fixed seat 1
Two guide blots 51 are fixed with, its head diameter of guide blot 51 is more than the short side bore of bar hole 811, two guide blots
51 are separately mounted in two bar holes 811 and to spacing above and below the long side of guide part 81, and the long side of guide part 81 passes through two hole phases
The left and right of bolt is moved back and forth and realizes left and right guiding movement, the short side of guide part 81 and the short side of launched portion 82 are vertically connected, and lead
To the short side of portion 81 and the top of launched portion 82 above-mentioned support plate 6 relatively just to be arrangeding in parallel, the short side of connecting rod 11 is grown with launched portion 82
While being bolted to connection, guide plate 15 is fixed on the short side lateral surface of guide part 81.
Clutch also includes the indicator board 16 being mounted by means of bolts on head 18, and the lower end of indicator board 16 is provided with scarce
Mark has L " and " R " mark on mouth 161, the lateral surface of indicator board 16, and above-mentioned mark is located at directly over breach 161, plectrum 45
At breach 161, plectrum 45 is with indicator board 16 to be vertically arranged, and during original state, plectrum 45 is located just at identifying " L " and " R "
Centre position.
Operation principle is as follows：
As shown in Fig. 2 during original state, Hall element 62 is located at the centre position of left and right magnet 42,43, plectrum 45
In the centre position of mark " L " and " R ", limited post 44 is located at the centre of the two side ends of support plate 6, and now the left and right shank of double needle machine is same
When work.When be sewn into turn left angle when, as shown in figure 3, separating left shank, left shank is not worked, only right shank work, this
When staff i.e. mark " L " direction of turning left of plectrum 45 is stirred, pass sequentially through spanner 4, rotating shaft 3, crank 2 so as to driving slip
Axle 1 is toward moving left, so as to realize the separation of left shank, now the back-moving spring on reset assembly 17 is compressive state, and it how
Realize sliding axle 1 to move to left and make the structure and principle of the separation of left shank be prior art, see Publication No. CN103276539A's
In Chinese invention patent specification【58】Section is arrived【63】Section, in this not go into detail.Now spanner 4 is swung to the left, its right magnetic
Iron is swung with Hall element 62 just to setting to the left, and Hall element 62 senses and produces the dynamic voltage signal of correspondence left swing to sewing
Electrical Control, sewing Electrical Control receive signal after start correspondence turn left angle sewing module carry out turning sewing, its corner type and
Hop count, every section of pin number have been set in advance.Meanwhile, after the left swing of spanner 4 is dynamic, limited post 44 thereon also corresponding left swing to support plate 6
Outside left side, then spanner 4 is promoted limited post 44 being stuck in the left end side of support plate 6 by staff toward the direction of support plate 6 force
On be limited, now the left end side of support plate 6 power spacing to limited post 44 overcome the upper reset spring of reset assembly 17 return
Multiple power so that staff's hand is decontroled after plectrum 45, its sliding axle 1 also will not the upper reset spring of reset assembly 17 again restoring force
Reset is moved to right, therefore left shank is constantly in separated state.Meanwhile, spanner 4 promotes connecting plate 8 to be moved toward the direction of support plate 6,
Connecting plate 8 drives connecting rod 11 and guide plate 15 to be moved toward the direction of support plate 6, and its connecting rod 11, output shaft 71, jump ring 9 are toward electromagnetism
The direction of iron 7 is moved, and output shaft 71 is retracted toward electromagnet 7 is inner, and spring 1 is compressed.Jump ring 9 plays position-limiting action, prevents from promoting
Amplitude is excessive, mutually hits and damages between other structures.Connecting plate 8 is moved toward the direction of support plate 6, the bar hole 811 on its long side
It is oppositely oriented bolt 51 to move to left, two bar holes 811 play guide effect, because the bar hole 811 and guide blot 51 will not
Deviate before and after producing, can only left and right guiding movement, therefore ensure that the direction accuracy of left and right guiding movement will not be offset, and
The stability of guiding, that is, ensure that the direction accurate stable that connecting rod 11, output shaft 71 are moved to left is not offset, so that follow-up electromagnet 7
Spanner 4 is released the smooth of reset and does not produce failure by its output shaft 71 that works.Meanwhile, guide plate 15 is also and then moved to left, spring two
14 are compressed.
Right shank stops after the pin number N1 of setting is sewed under sewing Electrical Control, and then operating personnel lift presser foot lifter, will
Sewing, which rotates to an angle, waits next section of turning of sewing.Presser foot lifter is put down, foot-treadle gives sewing Electrical Control, seam to signal
Electrical Control of threading controls right shank to continue to sew pin number N2, if turning also has the 3rd section, the 4th section ..., enters by the same way
OK, pin number N1 and pin number N2 can be with identical or different.After opposite joint molding block is finished, that is, after angle seam of turning left makes, sewing machine
Automatically controlled control electromagnet 7 works, and output shaft 71 is released and spanner 4 is released into (connecting plate 8 and the company of contact of spanner 4 by connecting plate 8
Connect), that is, move to right, while spring 1 resets under restoring force effect and coordinates the output shaft 71 of electromagnet 7 will be spacing on spanner 4
Post 44 departs from the spacing of the left end side of support plate 6 and makes limited post 44 away from support plate 6, meanwhile, guide plate 15 is moved to right, and spring 2 14 exists
The effect of selfer power is lower to be resetted.Limited post 44 on spanner 4 also just loses after spacing in the left end side of support plate 6 is lost
Active force of the support plate 6 to limited post 44, sliding axle 1 is moved to right under the back-moving spring restoring force effect of reset assembly 17 and reset to
Original state, left shank resets, left and right crosspointer bar normal work simultaneously, meanwhile, spring 1 and spring 2 14 are returned to initially
State.
When angle seam is turned right in progress, its principle is similar with above-mentioned angle of turning left, and direction of action is on the contrary, be no longer described in detail.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (11)
1. a kind of needle bar of sewing machine clutch, including sliding axle (1), the sewing machine include sewing Electrical Control, the slip
Axle (1) one end is connected with separation assembly, and the other end of the sliding axle (1) is connected with reset assembly (17), the separation assembly
Including rotating shaft (3), spanner (4) and the branch board component on head (18), described rotating shaft (3) one end and above-mentioned sliding axle
(1) connect, the other end of the rotating shaft (3) is connected with above-mentioned spanner (4), there is plectrum (45) and spacing on the spanner (4)
Post (44), when above-mentioned plectrum (45) are stirred in left and right direction, above-mentioned spanner (4) is correspondingly left and right to be swung, it is characterised in that：
The clutch also includes detection components, and the detection components are used to detect the left and right swing of above-mentioned spanner (4) and produced respectively
Raw left and right separation signal transmission is arrived to be installed with and Electrical Control of sewing on above-mentioned sewing Electrical Control, described branch board component
The driver of connection, after the left and right swing of above-mentioned spanner (4), described limited post (44) can be left and right by above-mentioned branch board component respectively
End is spacing, and the output shaft (71) of the driver drives above-mentioned by the left and right spacing limit of branch board component in the presence of driver
Position post (44) resets.
2. a kind of needle bar of sewing machine clutch according to claim 1, it is characterised in that described branch board component includes
Support plate (6) and L-shaped fixed seat one (5), fixed seat one (5) are the piece being mutually connected vertically by a long side and a short side
Material, above-mentioned driver is fixedly mounted on the long side medial surface of fixed seat one (5), and above-mentioned support plate (6) is fixedly mounted on fixed seat one
(5) on short side lateral surface.
3. a kind of needle bar of sewing machine clutch according to claim 2, it is characterised in that described detection components include
Hall sensor component, Hall element installing plate (61) and the magnet mounting seat (41) being fixedly mounted on above-mentioned spanner (4), institute
State Hall element installing plate (61) to be fixedly mounted on above-mentioned support plate (6) or on sewing machine case, the hall sensor component
Including a Hall element (62) and left and right magnet (42,43), the Hall element (62) is installed in Hall element installing plate
(61) on, there is left and right magnet mounting hole on above-mentioned magnet mounting seat (41), above-mentioned left and right magnet (42,43) is separately mounted to
On above-mentioned left and right magnet mounting hole, the Hall element (62) electricly connects with above-mentioned sewing machine, when above-mentioned spanner (4) is left,
During right swing, described left and right magnet (42,43) is respectively just to above-mentioned Hall element (62).
4. a kind of needle bar of sewing machine clutch according to claim 2, it is characterised in that described detection components include
Infrared sensor package, the transmitter mounting seat being fixedly mounted on above-mentioned support plate (6) and it is fixedly mounted on above-mentioned spanner (4)
Receiver mounting seat, the infrared sensor package include an infrared transmitter and left and right infrared remote receiver, it is described infrared
Transmitter is installed in transmitter mounting seat, has left and right receiver mounting hole in the receiver mounting seat, above-mentioned left and right
Infrared remote receiver is separately mounted on above-mentioned left and right receiver mounting hole, described left and right infrared remote receiver and above-mentioned sewing
Electrical Control is connected, when above-mentioned spanner (4) left and right swing, and described left and right infrared remote receiver is respectively just to above-mentioned infrared
Transmitter.
5. a kind of needle bar of sewing machine clutch according to claim 3 or 4, it is characterised in that described driver peace
Below the fuselage (19) for being installed adjacent to head (18).
6. a kind of needle bar of sewing machine clutch according to claim 3 or 4, it is characterised in that described driver is
Electromagnet (7) or the cylinder with source of the gas.
7. a kind of needle bar of sewing machine clutch according to claim 6, it is characterised in that the output of described driver
Jump ring (9) and spring one (10) are arranged with axle (71), the jump ring (9) is fixed in the middle part of output shaft (71), the spring one
(10) one end is resisted against on above-mentioned jump ring (9), and the other end of the spring one (10) is against on a drive, the output shaft
(71) outer end is connected with connecting rod (11), and the connecting rod (11) is L-shaped, and the long side of connecting rod (11) and output shaft (71) are outside
End connection.
8. a kind of needle bar of sewing machine clutch according to claim 7, it is characterised in that described fixed seat one (5)
Connecting plate (8) is installed, described connecting plate (8) includes structure L-shaped guide part (81) and pushed away on long side lateral surface
Go out and two bar holes (811) are provided with portion (82), the long side of guide part (81), it is solid on the above-mentioned long side lateral surface of fixed seat one (5)
Surely there are two guide blots (51), guide blot (51) its head diameter is more than the short side bore of above-mentioned bar hole (811), two
Guide blot (51) is separately mounted in two bar holes (811) and to spacing, guide part (81) above and below guide part (81) long side
Long side is moved back and forth by two holes with respect to the left and right of bolt realizes left and right guiding movement, guide part (81) short side and launched portion
(82) short side is vertically connected, and guide part (81) short side and launched portion (82) top above-mentioned support plate (6) relatively are just set to parallel
Put, above-mentioned connecting rod (11) short side is bolted to connection with launched portion (82) long side.
9. a kind of needle bar of sewing machine clutch according to claim 2, it is characterised in that described fixed seat one (5)
Long side face is horizontal-extending to be formed with L-shaped fixed seat two (12), and fixed seat two (12) is long when long by fixed seat one (5)
Horizontal-extending to form, fixed seat two (12) short side is vertically arranged with the long side of fixed seat one (5), outside described (12) short side of fixed seat two
It is installed with side in lead column (13), lead column (13) and is arranged with spring two (14), on the outside of above-mentioned guide part (81) short side
Guide plate (15) is installed with face, above-mentioned (14) one end of spring two is installed on fixed seat two (12) short side, spring two (14)
The other end is installed on above-mentioned guide plate (15).
10. a kind of needle bar of sewing machine clutch according to claim 2, it is characterised in that described clutch is also
Including the indicator board (16) being mounted by means of bolts on head (18), indicator board (16) lower end is provided with breach (161),
Mark has L " and " R " mark on indicator board (16) lateral surface, and above-mentioned mark is located at directly over breach (161), above-mentioned plectrum
(45) it is located at breach (161) place, plectrum (45) is with indicator board (16) to be vertically arranged, and during original state, the plectrum (45) is just
The good centre position for being located at mark " L " and " R ".
11. a kind of double needle machine, it is characterised in that：The double needle machine have any described needle bar of sewing machine of above-mentioned power 1~10 from
Close mechanism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710340761.5A CN106948094B (en) | 2017-05-15 | 2017-05-15 | Needle bar clutch mechanism of sewing machine and double-needle machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710340761.5A CN106948094B (en) | 2017-05-15 | 2017-05-15 | Needle bar clutch mechanism of sewing machine and double-needle machine |
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| CN106948094A true CN106948094A (en) | 2017-07-14 |
| CN106948094B CN106948094B (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710340761.5A Active CN106948094B (en) | 2017-05-15 | 2017-05-15 | Needle bar clutch mechanism of sewing machine and double-needle machine |
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| CN (1) | CN106948094B (en) |
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| CN107700095A (en) * | 2017-11-13 | 2018-02-16 | 杰克缝纫机股份有限公司 | A kind of two-needle sewing machine and its shank clutch reset device |
| CN107723945A (en) * | 2017-10-18 | 2018-02-23 | 杰克缝纫机股份有限公司 | A kind of double needle machine turning sews control method |
| CN107901158A (en) * | 2017-12-05 | 2018-04-13 | 沈阳利比乌拉草科技有限公司 | It is uniformly controlled noninertia and delays sewing unit |
| CN110387642A (en) * | 2019-08-19 | 2019-10-29 | 上海博岙机电制造有限公司 | A kind of crosspointer longitudinal direction colour changing computer embroidery machine |
| CN111188134A (en) * | 2020-03-12 | 2020-05-22 | 杰克缝纫机股份有限公司 | Sewing control method, sewing control system and double-needle sewing machine |
| CN112281330A (en) * | 2019-07-24 | 2021-01-29 | Juki株式会社 | Single-needle and double-needle sewing state switching device and method of sewing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107723945A (en) * | 2017-10-18 | 2018-02-23 | 杰克缝纫机股份有限公司 | A kind of double needle machine turning sews control method |
| CN107700095A (en) * | 2017-11-13 | 2018-02-16 | 杰克缝纫机股份有限公司 | A kind of two-needle sewing machine and its shank clutch reset device |
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| CN112281330A (en) * | 2019-07-24 | 2021-01-29 | Juki株式会社 | Single-needle and double-needle sewing state switching device and method of sewing machine |
| CN112281330B (en) * | 2019-07-24 | 2023-10-03 | Juki株式会社 | Single-double needle sewing state switching device and method of sewing machine |
| CN110387642A (en) * | 2019-08-19 | 2019-10-29 | 上海博岙机电制造有限公司 | A kind of crosspointer longitudinal direction colour changing computer embroidery machine |
| CN111188134A (en) * | 2020-03-12 | 2020-05-22 | 杰克缝纫机股份有限公司 | Sewing control method, sewing control system and double-needle sewing machine |
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Address after: 318014 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |