A kind of novel pants headset front feeding mechanism
Technical field
The invention belongs to technical field of sewing equipment, relate to a kind of trousers earphone, particularly a kind of novel pants headset front feeding mechanism.
Background technology
Existing pants headset front feeding mechanism (as shown in Figure 5) generally comprises support 1, preceding retainer 2, preceding feeding tooth 3, lifts preceding crank 4 of tooth and retainer 5, preceding feeding tooth 3 is fixed on the preceding retainer 2, retainer 2 has front-end and back-end before described, before the front end 2a of retainer by controlling back-up block 6 and preceding support eccentric shaft 7 is fixed on the support 1, the rear end 2b of preceding retainer links to each other by crank 4 before preceding lifting tooth pin 8 and lifting tooth, lifts the preceding crank 4 of tooth and links to each other with retainer 5.Under the driving of retainer 5, preceding retainer 2 swings up and down around the tie point of preceding retainer 2 with support 1.Because on the retainer 2, preceding feeding tooth 3 was also along with swinging up and down before preceding feeding tooth 3 was fixed on.
Before the swing of front end 3a and the rear end 3b of preceding feeding tooth of feeding tooth highly be different, that is to say that the work feed height of the rear end 3b of the front end 3a of tooth and tooth can be mutually far short of what is expected, thereby influenced the quality and the efficient of work feed.
Summary of the invention
The objective of the invention is to have the problems referred to above, proposed a kind of simple in structure, work feed quality and the higher novel pants headset front feeding mechanism of work feed efficient at existing technology.
Purpose of the present invention can realize by following technical proposal: a kind of novel pants headset front feeding mechanism, comprise support, preceding retainer, preceding feeding tooth and retainer, and described
Preceding feeding tooth is fixed on the preceding retainer, retainer has two ends before described, the front end of retainer and the rear end of preceding retainer promptly, the front end of retainer links to each other with support before described, the rear end of preceding retainer links to each other with retainer, it is characterized in that, lift tooth mechanism before also being provided with between the front end of described support and preceding retainer, lift before described tooth mechanism can make before the front end oscilaltion of retainer.
Feeder is for the work feed quality of feeding tooth before improving and efficient before this novel trousers earphone.The groundwork principle is as follows, under the driving of retainer, and the rear end oscilaltion of retainer before driving; The front end of preceding retainer is realized oscilaltion under the effect of preceding lifting tooth mechanism.Synchronous lifting or decline can be realized in the front end of retainer and the rear end of preceding retainer like this, and synchronous lifting or decline also can be realized in the two ends of the feeding tooth on the retainer before being connected in, thereby realize improving the work feed quality and the efficient of preceding feeding tooth.
In above-mentioned novel pants headset front feeding mechanism, lift tooth mechanism before described and comprise main shaft, eccentric wheel, connecting rod, crank, driven shaft, the axle crank, drive link, the drive link crank, crank before lifting the preceding crank axle of tooth and lifting tooth, described eccentric wheel is set in and is connected on the main shaft, one end of connecting rod links to each other with eccentric wheel, the other end links to each other with crank, described driven shaft one end links to each other with above-mentioned crank, the other end links to each other with the axle crank, described drive link one end links to each other with an above-mentioned axle crank, the other end links to each other with the drive link crank, describedly lift crank axle one end before the tooth and link to each other with above-mentioned drive link crank, the other end with lift tooth before crank link to each other, described lift crank before the tooth with above-mentioned before the front end of retainer link to each other.
Main shaft rotates, and drives and its eccentric rotation that is connected mutually, and eccentric rotation drives drive link and swings by connecting rod, crank, driven shaft, an axle crank again, and the swinging of drive link lifted crank axle before the tooth by the drive of drive link crank again,
And crank axle links to each other before lifting before the tooth crank and lifting tooth, lift tooth like this before crank just swing up and down along with the rotation of main shaft, the front end of retainer swings up and down before crank drives before the tooth by lifting at last.
In above-mentioned novel pants headset front feeding mechanism, lift the tooth pin before also being provided with between the described front end of lifting crank and preceding retainer before the tooth, both are continuous by preceding lifting the tooth pin.
In above-mentioned novel pants headset front feeding mechanism, described driven shaft one end is located in the crank, and both are connected mutually by screw one, and the driven shaft other end is located in the crank, and both are connected by the screw two-phase.
In above-mentioned novel pants headset front feeding mechanism, described eccentric wheel is set on the main shaft, and both are connected by the screw three-phase.
In above-mentioned novel pants headset front feeding mechanism, be provided with link pin between described connecting rod and the crank, both are connected mutually by link pin.Connecting rod and crank are linked together convenient installation, dismounting and maintenance by link pin.
In above-mentioned novel pants headset front feeding mechanism, be provided with the drive link pin between described drive link and the drive link crank, both are connected mutually by the drive link pin.Drive link and drive link crank are linked together convenient installation, dismounting and maintenance by the drive link pin.
In above-mentioned novel pants headset front feeding mechanism, described support is the U type, and the above-mentioned preceding crank axle of tooth of lifting passes support, and the two ends of crank axle also are provided with protective sleeve before lifting tooth.
In above-mentioned novel pants headset front feeding mechanism, described retainer and preceding retainer also are provided with the retainer link, by the retainer link retainer and preceding retainer are linked together.
Compared with prior art, this novel pants headset front feeding mechanism is by the front end oscilaltion of retainer before preceding lifting tooth mechanism and making, and the rear end of preceding retainer also can oscilaltion under the driving of retainer, synchronous rising or decline can be realized in the front end of retainer and the rear end of preceding retainer like this, and preceding feeding tooth is fixed on the preceding retainer, thereby realizes improving the work feed quality and the efficient of preceding feeding tooth.
Description of drawings
Fig. 1 is the schematic perspective view of this novel pants headset front feeding mechanism.
Fig. 2 is the three-dimensional explosive view of this novel pants headset front feeding mechanism.
Fig. 3 is the movement locus of the preceding feeding tooth of this novel pants headset front feeding mechanism.
Fig. 4 is the movement locus of the preceding feeding tooth of pants headset front feeding mechanism of the prior art.
Fig. 5 is the structural representation of pants headset front feeding mechanism of the prior art.
Among the figure, 1, support; 2, preceding retainer; The front end of 2a, preceding retainer; The rear end of 2b, preceding retainer; 3, preceding feeding tooth; 4, lift the preceding crank of tooth; 5, retainer; 6, control back-up block; 7, preceding support eccentric shaft; 8, the preceding tooth pin of lifting; 9, main shaft; 10, eccentric wheel; 11, connecting rod; 12, crank; 13, driven shaft; 14, axle crank; 15, drive link; 16, drive link crank; 17, lift the preceding crank axle of tooth; 18, link pin; 19, protective sleeve; 20, retainer link; 21, drive link pin.
The specific embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As depicted in figs. 1 and 2, the pants headset front feeding mechanism that this is novel, comprise support 1, preceding retainer 2, preceding feeding tooth 3 and retainer 5, feeding tooth 3 is fixed on the preceding retainer 2 before described, retainer 2 has two ends before described, the front end 2a of retainer and the rear end 2b of preceding retainer promptly, the front end 2a of retainer links to each other with support 1 before described, the rear end 2b of preceding retainer links to each other with retainer 5, lift tooth mechanism before also being provided with between the front end 2a of described support 1 and preceding retainer, lift before described tooth mechanism can make before the front end 2a oscilaltion of retainer.
Particularly, before lift tooth mechanism and comprise main shaft 9, eccentric wheel 10, connecting rod 11, crank 12, driven shaft 13, axle crank 14, drive link 15, drive link crank 16, crank 4 before lifting the preceding crank axle 17 of tooth and lifting tooth, described eccentric wheel 10 is set in and is connected on the main shaft 9, one end of connecting rod 11 links to each other with eccentric wheel 10, the other end links to each other with crank 12, described driven shaft 13 1 ends link to each other with above-mentioned crank 12, the other end links to each other with axle crank 14, described drive link 15 1 ends link to each other with an above-mentioned axle crank 14, the other end links to each other with drive link crank 16, describedly lift crank axle 17 1 ends before the tooth and link to each other with above-mentioned drive link crank 16, the other end with lift tooth before crank 4 link to each other, described lift crank 4 before the tooth with above-mentioned before the front end 2a of retainer link to each other.
Eccentric wheel 10 is set on the main shaft 9, is connected by the screw three-phase between the two, and an end of connecting rod 11 is connected mutually with eccentric wheel 10, and the other end links together by link pin 18 and crank 12, fixes by screw four again.Driven shaft 13 1 ends are located in the crank 12, and both are connected mutually by screw one, and driven shaft 13 other ends are located in the crank 14, and both are connected by the screw two-phase.
Main shaft 9 is and the linking to each other of the actuating unit that can drive its rotation, general this actuating unit is a motor, motor links to each other with this main shaft 9 by shaft coupling or gear train, the work of motor drives the rotation of main shaft 9, main shaft 9 rotates, drive rotation with its eccentric wheel that is connected mutually 10, the rotation of eccentric wheel 10 is again by connecting rod 11, crank 12, driven shaft 13, axle crank 14 drives drive link 15 and swings, swinging of drive link 15, drive by drive link crank 16 again and lift crank axle 17 before the tooth, and crank axle 17 links to each other before lifting before the tooth crank 4 and lifting tooth, lift like this that crank 4 just swings up and down along with the rotation of main shaft 9 before the tooth, the front end 2a of retainer swings up and down before crank 4 drives before the tooth by lifting at last.
In this novel pants headset front feeding mechanism, be provided with link pin 18 between described connecting rod 11 and the crank 12, both are connected mutually by link pin 18.Connecting rod 11 and crank 12 are linked together convenient installation, dismounting and maintenance by link pin 18.Be provided with drive link pin 21 between described drive link 15 and the drive link crank 16, both are connected mutually by drive link pin 21.Drive link 15 and drive link crank 16 are linked together convenient installation, dismounting and maintenance by drive link pin 21.
In the present embodiment; described support 1 is the U type; the above-mentioned preceding crank axle 17 of tooth of lifting passes support 1; the two ends of crank axle 17 also are provided with protective sleeve 19 before lifting tooth; protect the two ends of lifting crank axle 17 before the tooth by protective sleeve 19, make and lift that the two ends of crank axle 17 can not be subjected to external influence in the course of the work before the tooth.
In above-mentioned novel pants headset front feeding mechanism, described retainer 5 also is provided with retainer link 20 with preceding retainer 2, by retainer link 20 retainer 5 and preceding retainer 2 is linked together.Retainer 5 and retainer connect between the support 1 and are connected mutually by screw five, are connected mutually by screw six between preceding retainer 2 and the retainer connection support 1.By such structure retainer 5 and preceding retainer 2 are fixed together.
Feeder is for the work feed quality of feeding tooth 3 before improving and efficient before this novel trousers earphone.The groundwork principle is as follows, under the driving of retainer 5, and the rear end 2b oscilaltion of retainer before driving; Machine operation drives main shaft 9 and rotates, main shaft 9 rotates the rotation that drives with its eccentric wheel that is connected mutually 10, the rotation of eccentric wheel 10 drives drive link 15 and swings by connecting rod 11, crank 12, driven shaft 13, axle crank 14 again, swinging of drive link 15, drive by drive link crank 16 again and lift crank axle 17 before the tooth, and crank axle 17 links to each other before lifting before the tooth crank 4 and lifting tooth, lift like this that crank 4 just swings up and down along with the rotation of main shaft 9 before the tooth, the front end 2a of retainer swings up and down before crank 4 drives before the tooth by lifting at last.The front end 2a of retainer and the rear end 2b of preceding retainer can realize synchronous rising or decline like this, and preceding feeding tooth 3 is fixed on above the preceding retainer 2, therefore, and rising or decline that the two ends of preceding feeding tooth 3 also can be synchronous.
Draw by above-mentioned structure, the formed at work movement locus of preceding feeding tooth 3 of feeder as shown in Figure 3 before this novel trousers earphone, and the movement locus of preceding feeding tooth 3 of the prior art as shown in Figure 4, when the tooth height of current feeding tooth 3 is identical, i.e. A=C as shown in Figure 3 and Figure 4, B<D among Fig. 3 and Fig. 4 as can be seen obviously, therefore, the movement locus of the preceding feeding tooth 3 among Fig. 3 meets the requirement and the actual needs of feeding more, thereby improved the stability and the work feed efficient of work feed, also reduced the vibration that machine produces certainly simultaneously.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technical staff of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used 1, support morely; 2, preceding retainer; The front end of 2a, preceding retainer; The rear end of 2b, preceding retainer; 3, preceding feeding tooth; 4, lift the preceding crank of tooth; 5, retainer; 6, control back-up block; 7, preceding support eccentric shaft; 8, the preceding tooth pin of lifting; 9, main shaft; 10, eccentric wheel; 11, connecting rod; 12, crank; 13, driven shaft; 14, axle crank; 15, drive link; 16, drive link crank; 17, lift the preceding crank axle of tooth; 18, link pin; 19, protective sleeve; 20, retainer link; 21, term such as drive link pin, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.