The dynamic yarn change mechanism of carpet embroidery machine
Technical field
The present invention relates to a kind of yarn change mechanism that regulates embroidery line degree of tightness, auxiliary line sending on carpet embroidery machine, dynamic yarn change mechanism of especially a kind of carpet embroidery machine of being applied to.
Background technology
In prior art, carpet embroidery machine is in the time embroidering the line fine hair of weavening carpet, embroidering pin is directly will embroider sewer through embroidery line on carpet base-material, to form line fine hair, knit in process at embroidery, embroider for embroidering line and can exert pressure, rust is frameed shift to move and is made embroidery knit pattern extension simultaneously, these activities all make embroider line be constantly transferred for embroidery knit, prior art is to be depressed into embroidery line frequency according to embroidery pin to control the line sending of line sending motor to embroidering the frequency of line conveying, its wire agency mainly comprises the line sending motor and the line sending clip wheel group connecting with it and the upper conductor plate that are arranged in toning line sending frame, also have near embroidering pin position, be arranged on the lower wire plate with cable-through hole in needle bar mechanism frame, embroider line and import upper conductor plate by line sending clip wheel group, the cable-through hole of lower wire plate, cause again and embroider under pin, in the time that embroidery pin presses down through embroidery sewer, line sending motor drives the in good time line sending of line sending clip wheel group, it is the embroidery line length that relies on line sending surplus to satisfy the demand that embroidery is knitted when pattern extends, but when tabouret position as you were, embroider for pin under embroidery line in the time that same position repeats to make, line sending motor will continue to drive the line sending of line sending clip wheel group, like this, embroider useless line amount under pin, but line sending is continuous, will accumulate and cause that too much embroidery line is uncontrolled, make to embroider embroidery line before pin excessively pine cause and embroider line skew, cause to embroider and knit quality problems, how solving this line transfer problem is the technical problem that is about to solution in current carpet embroidery machine industry.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of in the time that embroidery line is tightened up, and line sending motor just drives the dynamically line sending in good time of line sending clip wheel group, avoids embroidering the dynamic yarn change mechanism of the uncontrolled carpet embroidery machine of line.
In order to solve the problems of the technologies described above, the technical scheme of the dynamic yarn change mechanism of carpet embroidery machine of the present invention is: comprise base and the wherein middle wire guide plate with at least one cable-through hole is installed, and be arranged in this wire guide plate below, the photoelectric sensor switch corresponding with each cable-through hole position and triggering crank, be serially connected in addition the fixed axis at all triggering cranks middle part and separately spinning the torsion spring that triggers crank up reset, described base comprises the left side plate of mutual symmetry and is connected in the photoelectric sensor switch built-in beam between this left side plate, described fixed axis is also connected between this left side plate, described triggering crank lower end has hook line hole, upper end has shading head, tear and trigger crank and overcome torsion spring resistance and rotate around fixed axis by hook line hole while being tightened up when embroidering line, make shading head move to the shading light electric induction position of the switch, trigger the line sending of corresponding line sending electric motor starting, after embroidery line is relaxed, trigger crank automatically resets under the effect of torsion spring.
As one of the preferred technical solution of the present invention be: described triggering crank comprises the wiper arm that has the hollow rotating shaft of ring flange and an end and have hook line hole, and one end there is the spiral arm of shading head, the described wiper arm other end has clamping head and torsion spring draw-in groove, the other end of described spiral arm has adpting flange, wherein this adpting flange and ring flange pass through bolt-connection, described clamping headgear is connected on the other end of hollow rotating shaft and locks with holding screw, and allow between wiper arm and spiral arm and to form crank taking hollow rotating shaft axle center as deflection center, described hollow rotating shaft is socketed on fixed axis, described torsion spring middle part is arranged in torsion spring draw-in groove, wherein one end is fixed in wiper arm, the other end is fixed by a location crossbeam being connected between base left side plate.
: the end connecting with adpting flange at described ring flange is extended with one section of hollow rotating shaft that adpting flange is to be socketed on this section of hollow rotating shaft to pass through bolt-connection with ring flange again as two of the preferred technical solution of the present invention.
The preferred technical solution of the present invention is further improved: above photoelectric sensor switch, be also provided with locating part, till the shading head of restriction triggering crank moves to the shading light electric induction position of the switch.
The invention has the beneficial effects as follows: the dynamic yarn change mechanism of carpet embroidery machine of the present invention is mounted in lower wire plate top and is fixed in needle bar mechanism frame, embroider line and import upper conductor plate by line sending clip wheel group, the cable-through hole of middle wire guide plate, the hook line hole of introducing triggering crank lower end is caused and is embroidered under pin by the cable-through hole of lower wire plate again, press down when embroidering sewer or tabouret and move when embroidering pin, embroidery line is tightened up, at this moment embroidering line tears and triggers crank and overcome torsion spring resistance and rotate around fixed axis by triggering the hook line hole of crank, make the shading head that triggers crank move to the shading light electric induction position of the switch, trigger corresponding line sending motor and drive the in good time line sending of line sending clip wheel group, after embroidery line is relaxed, trigger crank automatically resets under the effect of torsion spring, line sending motor drives and stops line sending, that is to say just line sending when embroidering line is tightened to a certain degree, when tabouret position as you were, embroider for pin under embroidery line in the time that same position repeats to make, line sending motor can not drive the line sending of line sending clip wheel group, embroider useless line amount under pin, just not line sending, make to embroider line and be subject to dynamic control, keep embroidering line and set tensile force, ensure that the embroidery line of embroidering before pin is not offset, thereby ensure to embroider and knitted quality, so the present invention has in the time that embroidery line is tightened up, line sending motor just drives the dynamically line sending in good time of line sending clip wheel group, avoids embroidering the uncontrolled beneficial effect of line.
Brief description of the drawings
Below in conjunction with accompanying drawing, the dynamic yarn change mechanism of carpet embroidery machine of the present invention is described in more detail.
Fig. 1 is the carpet embroidery machine line sending yarn change mechanism three-dimensional structure diagram of prior art.
Fig. 2 is the front view of the dynamic yarn change mechanism of carpet embroidery machine of the present invention.
Fig. 3 is the rearview of Fig. 2.
Fig. 4 is the left view of Fig. 2.
Fig. 5 is the right view of Fig. 2.
Fig. 6 is the top view of Fig. 2.
Fig. 7 is the upward view of Fig. 2.
Fig. 8 is the stereogram of Fig. 2.
Fig. 9 is the front view of removing in Fig. 4 after base side plate.
Figure 10 is the front view of wire guide plate previous section during Fig. 2 removes.
Figure 11 is the stereogram of Figure 10.
Figure 12 is the front view that triggers crank in the dynamic yarn change mechanism of carpet embroidery machine of the present invention.
Figure 13 is the longitudinal sectional view that triggers crank in the dynamic yarn change mechanism of carpet embroidery machine of the present invention.
Figure 14 is the right view of Figure 12.
Figure 15 is the top view of Figure 12.
Figure 16 is the upward view of Figure 12.
Figure 17 is the stereogram of Figure 12.
Figure 18 is the A partial enlarged drawing of Figure 13.
Figure 19 is that the dynamic yarn change mechanism of carpet embroidery machine of the present invention is arranged on the front view in needle bar mechanism frame.
Figure 20 is the left view of Figure 19.
Figure 21 is the stereogram of Figure 19.
Figure 22 is that the dynamic yarn change mechanism of carpet embroidery machine of the present invention is arranged in needle bar mechanism frame and the stereogram of wire agency matching relationship.
Detailed description of the invention
As shown in Figure 1, the carpet embroidery machine line sending yarn change mechanism of prior art, comprise the line sending motor 70 being arranged in toning line sending frame 80 and line sending clip wheel group 30 and the upper conductor plate 40 connecting with it, also have near embroidering pin 50 positions, be arranged on the lower wire plate 10 with cable-through hole 2 in needle bar mechanism frame 20, embroider line 60 and import upper conductor plate 40 by line sending clip wheel group 30, the cable-through hole 2 of lower wire plate 10, cause again and embroider pin 50 times, press down through embroidering line 60 while making when embroidering pin 50, line sending motor 70 drives the in good time line sending of line sending clip wheel group 30, it is the embroidery line length that relies on line sending surplus to satisfy the demand that embroidery is knitted when pattern extends, but when tabouret position as you were, embroider pin 50 to embroidering 60 times pins of line in the time that same position repeats to make, line sending motor 70 will continue to drive 30 line sendings of line sending clip wheel group, like this, embroider useless line amount under pin, but line sending is continuous, will accumulate and cause that too much embroidery line is uncontrolled, make to embroider embroidery line before pin excessively pine cause and embroider line skew, cause to embroider and knit quality problems.
Shown in Fig. 2 ~ 22, the embodiment of the dynamic yarn change mechanism of carpet embroidery machine of the present invention is: comprise base 1 and the wherein middle wire guide plate 3 with at least one cable-through hole 2 is installed, and be arranged on wire guide plate 3 belows in this, the photoelectric sensor switch 4 corresponding with each cable-through hole 2 positions and triggering crank 5, be serially connected in addition the fixed axis 6 at all triggering cranks 5 middle parts and separately spinning and trigger the torsion spring 7 that crank 5 revolution resets, described base 1 comprises the left side plate 11 of mutual symmetry and is connected in the photoelectric sensor switch built-in beam 12 between this left side plate, described fixed axis 6 is also connected between this left side plate, described triggering crank 5 lower ends have hook line hole 51, upper end has shading 52, tear and trigger crank 5 and overcome torsion spring 7 resistances and rotate around fixed axis 6 by hook line hole 51 while being tightened up when embroidering line, shading 52 is moved to and block photoelectric sensor switch 4 positions, trigger the line sending of corresponding line sending electric motor starting, after embroidery line is relaxed, trigger crank 5 automatically resets under the effect of torsion spring 7.In the present embodiment, middle wire guide plate 3 is fixed on above left side plate 11, cable-through hole 2, photoelectric sensor switch 4, the quantity of the quantity that triggers crank 5 and line sending motor 70 on carpet embroidery machine and the line sending clip wheel group 30 that connects with it is consistent, wherein photoelectric sensor switch 4 can multiplely be arranged in same circuit board side by side, be arranged on together on photoelectric sensor switch built-in beam 12, the angle of bend that triggers crank 5 can be designed to adjustable structure, trigger angle of revolution and the triggered time that crank 5 triggers photoelectric sensor switch 4 to can require to regulate according to different line sendings, reach timely dynamic adjustments and embroider the in good time line sending requirement of line degree of tightness.
Shown in Figure 12 ~ 18, as one of the preferred embodiment of the present invention be: described triggering crank 5 comprises the wiper arm 55 that has the hollow rotating shaft 54 of ring flange 53 and an end and have hook line hole 51, and one end there is the spiral arm 56 of shading 52, described wiper arm 55 other ends have clamping head 57 and torsion spring draw-in groove 58, the other end of described spiral arm 56 has adpting flange 59, wherein this adpting flange 59 passes through bolt-connection with ring flange 53, described clamping head 57 is socketed in the other end of hollow rotating shaft 54 and locks with holding screw, and allow between wiper arm 55 and spiral arm 56 and to form crank taking hollow rotating shaft 54 axle center as deflection center, described hollow rotating shaft 54 is socketed on fixed axis 6, described torsion spring 7 middle parts are arranged in torsion spring draw-in groove 58, wherein one end is fixed in wiper arm 55, the other end is fixed by a location crossbeam 8 being connected between base 1 left side plate 11.In the present embodiment, that the angle of bend that triggers crank 5 is designed to adjustable structure, spiral arm 56 has one end of adpting flange 59, with the ring flange 53 of hollow rotating shaft 54 by after bolt-connection as the angle of bend benchmark that triggers crank 5, in the time that wiper arm 55 is installed, its clamping head 57 is socketed in the other end of hollow rotating shaft 54, deflection mixes up to trigger after the angle of bend of crank 5 and locks with holding screw, this adjusting can operate according to actual operation requirements at any time, described location crossbeam 8 is designed to a cylinder crossbeam, each torsion spring 7 is all that circle extension is fixed on this cylinder crossbeam with location crossbeam 8 stiff ends, in described wiper arm 55, be designed with spring jack, the other end of each torsion spring 7 inserts the spring jack in wiper arm 55 separately, this design and installation is convenient, adaptive location.
Shown in Figure 13,18,: the end connecting with adpting flange 59 at described ring flange 53 is extended with one section of hollow rotating shaft 54 that adpting flange 59 is to be socketed on this section of hollow rotating shaft 54 to pass through bolt-connection with ring flange 53 again as two of the preferred embodiment of the present invention.In the present embodiment, extend one section of hollow rotating shaft 54, allow the adpting flange 59 be to be socketed on this section of hollow rotating shaft 54, can be more prone to ensure that spiral arm 56 is concentric with the axis of rotation of wiper arm 55, the induction groove of photoelectric sensor switch 4 can be accurately aimed in the shading 52 that simultaneously also can finely tune each spiral arm 56 by socket packing ring.
Shown in Fig. 9 ~ 10, the preferred embodiment of the present invention is further improved: above photoelectric sensor switch 4, be also provided with locating part 9, till limiting the shading 52 that triggers crank 5 and moving and block photoelectric sensor switch 4 positions.In the present embodiment, locating part 9 is cylinders that are arranged between left side plate 11, can avoid triggering crank 5 and make shading 52 surmount photoelectric sensor switch 4 positions because rotating too fast inertia, can reduce to trigger crank 5 and torsion spring 7 coordinates the difficulty of adjusting.
Shown in Figure 19~22, the dynamic yarn change mechanism of carpet embroidery machine of the present invention is mounted in lower wire plate 10 tops and is fixed in needle bar mechanism frame 20, embroider line 60 and import upper conductor plate 40 by line sending clip wheel group 30, the cable-through hole 2 of middle wire guide plate 3, the hook line hole 51 of introducing triggering crank 5 lower ends is caused and is embroidered pin 50 times by the cable-through hole 2 of lower wire plate 10 again, press down through embroidering that line 60 is made or when tabouret moves when embroidering pin 50, embroidering line 60 is tightened up, at this moment embroidering line 60 tears and triggers crank 5 and overcome torsion spring 7 resistances and rotate around fixed axis 6 by triggering the hook line hole 51 of crank 5, the shading 52 that makes to trigger crank 5 moves to blocks photoelectric sensor switch 4 positions, trigger corresponding line sending motor 70 and drive the in good time line sending of line sending clip wheel group 30, after embroidery line 60 is relaxed, trigger crank 5 automatically resets under the effect of torsion spring 7, line sending motor 70 drives and stops line sending, that is to say just line sending when embroidering line 60 is tightened to a certain degree, when tabouret position as you were, embroider pin 50 to embroidering 60 times pins of line in the time that same position repeats to make, line sending motor 70 can not drive 30 line sendings of line sending clip wheel group, embroider 50 times useless line amounts of pin, just not line sending, make to embroider line 60 and be subject to dynamic control, keep embroidering line 60 and set tensile force, ensure that the embroidery line of embroidering before pin is not offset, thereby ensure to embroider and knitted quality, so the present invention has in the time that embroidery line is tightened up, line sending motor just drives the dynamically line sending in good time of line sending clip wheel group, avoids embroidering the uncontrolled beneficial effect of line.
The above is the preferred embodiment of the present invention, and it does not form limiting the scope of the invention, as long as realizing object of the present invention with essentially identical means, all should belong to protection scope of the present invention.