CN214782510U - Computerized roller machine needle distance regulator - Google Patents
Computerized roller machine needle distance regulator Download PDFInfo
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- CN214782510U CN214782510U CN202120586487.1U CN202120586487U CN214782510U CN 214782510 U CN214782510 U CN 214782510U CN 202120586487 U CN202120586487 U CN 202120586487U CN 214782510 U CN214782510 U CN 214782510U
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Abstract
The utility model discloses a computer roller machine needle distance regulator, which comprises an eccentric wheel, a needle distance adjusting transmission connecting rod, wherein the needle distance adjusting transmission connecting rod is connected with the eccentric wheel, the eccentric wheel is connected with an output shaft, the needle distance adjusting transmission connecting rod is connected with a connecting arm, the lower end of the connecting arm extends into a sliding sleeve shaft, two rollers are fixed in a slide way of the sliding sleeve shaft, the upper end of the connecting arm is connected with a swing arm, and a feeding shaft is arranged in the middle of the swing arm; the needle gauge seat is sleeved on the connecting shaft, the rear end of the needle gauge seat is connected with a long rod, the lower end of the long rod is connected with a first connecting rod, the fixed end of the sliding sleeve shaft and the needle bearing are fixed on the shell, and the other end of the sliding sleeve shaft is fixed with the first connecting rod; it still includes knob, screw rod, and the front end of screw rod is fixed with the knob, and the upper end is fixed before the rear end of screw rod and the gauge needle seat, the utility model discloses need not stop the sewing when transferring the gauge needle, the live time has grown the gauge needle and can not change, has closely the seam function.
Description
Technical Field
The utility model relates to a computer roller car technical field specifically says to a computer roller car gauge needle regulator.
Background
The computer roller machine needle pitch regulator in the prior art uses a complex friction type adjustable eccentric cam mechanism, and has the following problems:
1. when the stitch length is adjusted, a pin is inserted after aligning the pin with a hole on the cam mechanism main body, and the hole can rotate along with the cam mechanism main body when the computer roller machine is used for sewing, so that the sewing must be stopped when the stitch length is adjusted, time and labor are wasted during adjustment, and the production efficiency is influenced;
2. in order to ensure that the needle pitch is not changed, the needle pitch is required to be completely pressed by a spring, if the spring is pressed to be dead, the needle pitch is adjusted, so the spring cannot be pressed to be dead, when the spring is not pressed to be dead, the eccentric wheel rotates, inertia exists, and the needle pitch can be changed after a long time;
3. a function of no close joint;
4. the stitch length cannot be adjusted in sewing;
5. the friction resistance is large in the sewing and the noise is large.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the prior art, the present invention is directed to: provides a computer roller machine needle pitch regulator.
The technical solution of the utility model is that: the needle pitch regulator of the computer roller machine comprises an eccentric wheel, a needle pitch adjusting transmission connecting rod, wherein the needle pitch adjusting transmission connecting rod is connected with the eccentric wheel and is connected with an output shaft;
the needle gauge seat is sleeved at one end of the connecting shaft, a long rod extending longitudinally is connected at the rear end of the needle gauge seat, a first connecting rod is connected at the lower end of the long rod, the fixed end of the sliding sleeve shaft and the needle roller bearing are fixed on the shell, and the other end of the sliding sleeve shaft is fixed with the first connecting rod;
the needle gauge seat is characterized by also comprising a knob, wherein a threaded sleeve is fixed at the rear end of the knob, a screw rod matched with the threaded sleeve is arranged in the threaded sleeve in a penetrating manner, the front end of the screw rod is fixed with the knob, and the rear end of the screw rod is fixed with the front upper end of the needle gauge seat;
one end of the connecting shaft, which is far away from the needle distance seat, is connected with a second connecting rod, the second connecting rod is connected with a third connecting rod, and the third connecting rod is connected with a push-pull electromagnet;
the needle gauge seat further comprises a screw rod, a screw rod nut is installed at the front end of the screw rod, and the rear end of the screw rod is located in front of the front lower end of the needle gauge seat.
Furthermore, a pressing plate is fixed at the upper end of the sliding sleeve shaft, the upper end of the roller is fixed with the pressing plate, and the sliding way, the roller and the pressing plate are all arc-shaped.
Furthermore, the knob and the screw nut are exposed outside the shell of the computer roller car.
Furthermore, the front end of the second connecting rod is fixed with the connecting shaft, the rear end of the second connecting rod is fixed with the upper end of the third connecting rod, and the lower end of the third connecting rod is fixed with the push-pull rod at the upper end of the push-pull electromagnet.
Furthermore, the needle pitch adjusting transmission connecting rod and the connecting arm form a double-connecting-rod structure.
Furthermore, one end of the sliding sleeve shaft is connected with the shell by adopting a bearing connection structure and assembled by matching a needle bearing with a needle roller.
Use the utility model provides a computer roller machine gauge needle regulator, its beneficial effect is: the sewing does not need to be stopped when the stitch length is adjusted; the needle pitch can not be changed after the use time is long; has the function of close sewing; the traditional slide block arrangement is changed through the work of the roller wheel matched with the slide way, so that the friction resistance in the sewing is smaller and the noise is smaller.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a dual rocker link structure of the present invention;
fig. 3 is a schematic structural view of the sliding sleeve shaft of the present invention;
FIG. 4 is a schematic structural view of the present invention after being mounted on a computer roller car;
fig. 5 is a schematic view of the structure of the dual rocking connecting rods of the present invention.
Shown in the figure: 1-a needle pitch adjusting transmission connecting rod, 2-an output shaft, 3-a connecting arm, 4-a sliding sleeve shaft,
41-slideway, 5-roller, 6-swing arm, 7-feeding shaft, 8-connecting shaft, 9-needle pitch seat, 10-long rod, 11-first connecting rod, 12-knob, 13-thread sleeve, 14-screw, 15-second connecting rod, 16-third connecting rod, 17-push-pull electromagnet, 171-push-pull rod, 18-screw, 19-screw nut, 20-pressing plate, 21-shell, 30-needle roller, 31-needle bearing and 32-eccentric wheel.
Detailed Description
For a more intuitive and complete understanding of the technical solution of the present invention, the following non-limiting characteristic description is now performed by combining the drawings of the present invention:
as shown in fig. 1-5, the needle pitch adjuster of the computer roller machine comprises an eccentric wheel 32, a needle pitch adjusting transmission connecting rod 1, wherein the needle pitch adjusting transmission connecting rod 1 is connected with the eccentric wheel 32, the eccentric wheel 32 is connected with an output shaft 2, one end of the needle pitch adjusting transmission connecting rod 1 is connected with a connecting arm 3 to form a double-connecting-rod structure, the lower end of the connecting arm 3 extends into a sliding sleeve shaft 4, the sliding sleeve shaft 4 is provided with a sliding way 41 with an upward opening, two rollers 5 are fixed in the sliding way 41, the lower end of the connecting arm 3 is fixed between the two rollers 5, the upper end of the connecting arm 3 is connected with a swing arm 6, and a feeding shaft 7 penetrates through the middle of the end, far away from the connecting arm 3, of the swing arm 6;
the needle gauge fixing device further comprises a connecting shaft 8, one end of the connecting shaft 8 is sleeved with a needle gauge seat 9, the rear end of the needle gauge seat 9 is connected with a long rod 10 extending longitudinally, the lower end of the long rod 10 is connected with a first connecting rod 11, the fixed end of the sliding sleeve shaft 4 and the needle bearing 31 are fixed on the shell, and the other end of the sliding sleeve shaft is fixed with the first connecting rod 11;
the needle gauge seat also comprises a knob 12, wherein a threaded sleeve 13 is fixed at the rear end of the knob 12, a screw 14 matched with the threaded sleeve 13 is arranged in the middle of the threaded sleeve 13 in a penetrating manner, the front end of the screw 14 is fixed with the knob 12, and the rear end of the screw 14 is fixed with the front upper end of the needle gauge seat 9;
one end of the connecting shaft 8, which is far away from the needle pitch seat 9, is connected with a second connecting rod 15, the second connecting rod 15 is connected with a third connecting rod 16, and the third connecting rod 16 is connected with a push-pull electromagnet 17;
the needle gauge seat also comprises a screw rod 18, the front end of the screw rod 18 is provided with a screw rod nut 19, and the rear end of the screw rod 18 is positioned in front of the front lower end of the needle gauge seat 9.
The upper end of the sliding sleeve shaft 4 is fixed with a pressing plate 20, the upper end of the roller 5 is fixed with the pressing plate 20, and the sliding way 41, the roller 5 and the pressing plate 20 are all arc-shaped. Since the sleeve shaft 4 rotates, it is necessary to arrange the chute 41, the roller 5, and the pressing plate 20 in an arc shape for use with the sleeve shaft 4.
The knob 12 and the screw nut 19 are exposed out of the shell 21 of the computer roller car, so that the knob 12 and the screw nut 19 can be conveniently rotated by hands.
The front end of the second connecting rod 15 is fixed with the connecting shaft 8, the rear end is fixed with the upper end of the third connecting rod 16, and the lower end of the third connecting rod 16 is fixed with the push-pull rod 171 at the upper end of the push-pull electromagnet 17.
The needle pitch adjusting transmission connecting rod 1 and the connecting arm 3 form a double-connecting-rod structure.
One end of the sleeve shaft 4 is connected with the housing 21 by a bearing connection structure, and is assembled by matching the needle roller 30 through the needle roller bearing 31.
The working principle of the utility model is as follows:
the transmission principle is as follows: a motor (not shown) drives an output shaft 2 to rotate, the output shaft 2 rotates to drive an eccentric wheel 32 to rotate, so that a needle pitch adjusting transmission connecting rod 1 is driven to swing, and the needle pitch adjusting transmission connecting rod 1 drives a feeding shaft 7 to swing through a connecting arm 3 and a swing arm 6;
the needle pitch adjusting principle is as follows: after the knob 12 is rotated, the screw 14 can move back and forth, the knob 12 can be provided with scales (not shown) which are used for indicating the needle pitch, the screw 14 moves back and forth to drive the needle pitch seat 9 to swing, the needle pitch seat 9 drives the long rod 10 to move up and down, the angle of the sliding sleeve shaft 4 is changed after the long rod 10 moves up and down, because the stroke of the needle pitch adjusting transmission connecting rod 1 is unchanged, the stroke of the roller 5 is changed after the angle of the sliding sleeve shaft 4 is changed, the swing amplitude of the swing arm 6 is changed, and finally the swing amplitude of the feeding shaft 7 is changed, so that the feeding distance is changed, and the sewing does not need to be stopped when the needle pitch is adjusted;
the tight seam principle: the screw rod nut 19 is rotated to drive the screw rod 18 to move back and forth, so that the distance between the rear end of the screw rod 18 and the front lower end of the needle gauge seat 9 is adjusted, namely the needle gauge of a tight seam, during the tight seam, the push-pull type electromagnet 17 is attracted, the third connecting rod 16 is pulled down, the second connecting rod 15 drives the connecting shaft 8 to rotate, the needle gauge seat 9 swings, the long rod 10 moves downwards, so that the angle of the sliding sleeve shaft 4 is changed, the feeding distance is changed, the limit is performed through the set tight seam needle gauge, and the effect of the tight seam needle gauge is achieved.
It is to be understood that the foregoing is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, which is defined by the following claims and drawings.
Claims (6)
1. Computer roller machine gauge needle regulator, its characterized in that: the needle pitch adjusting mechanism comprises an eccentric wheel, a needle pitch adjusting transmission connecting rod, wherein the needle pitch adjusting transmission connecting rod is connected with the eccentric wheel, the eccentric wheel is connected with an output shaft, one end of the needle pitch adjusting transmission connecting rod is connected with a connecting arm to form a double-connecting-rod structure, the lower end of the connecting arm extends into a sliding sleeve shaft, the sliding sleeve shaft is provided with a sliding way with an upward opening, two rollers are fixed in the sliding way, the lower end of the connecting arm is fixed between the two rollers, the upper end of the connecting arm is connected with a swing arm, and a feeding shaft penetrates through the middle of the end, away from the connecting arm, of the swing arm;
the needle gauge seat is sleeved at one end of the connecting shaft, a long rod extending longitudinally is connected at the rear end of the needle gauge seat, a first connecting rod is connected at the lower end of the long rod, the fixed end of the sliding sleeve shaft and the needle roller bearing are fixed on the shell, and the other end of the sliding sleeve shaft is fixed with the first connecting rod;
the needle gauge seat is characterized by also comprising a knob, wherein a threaded sleeve is fixed at the rear end of the knob, a screw rod matched with the threaded sleeve is arranged in the threaded sleeve in a penetrating manner, the front end of the screw rod is fixed with the knob, and the rear end of the screw rod is fixed with the front upper end of the needle gauge seat;
one end of the connecting shaft, which is far away from the needle distance seat, is connected with a second connecting rod, the second connecting rod is connected with a third connecting rod, and the third connecting rod is connected with a push-pull electromagnet;
the needle gauge seat further comprises a screw rod, a screw rod nut is installed at the front end of the screw rod, and the rear end of the screw rod is located in front of the front lower end of the needle gauge seat.
2. The computerized roller machine gauge adjuster according to claim 1, wherein: the upper end of the sliding sleeve shaft is fixed with a pressing plate, the upper end of the roller is fixed with the pressing plate, and the sliding way, the roller and the pressing plate are all arc-shaped.
3. The computerized roller machine gauge adjuster according to claim 1, wherein: the knob and the screw nut are exposed outside the shell of the computer roller car.
4. The computerized roller machine gauge adjuster according to claim 1, wherein: the front end of the second connecting rod is fixed with the connecting shaft, the rear end of the second connecting rod is fixed with the upper end of the third connecting rod, and the lower end of the third connecting rod is fixed with the push-pull rod at the upper end of the push-pull electromagnet.
5. The computerized roller machine gauge adjuster according to claim 1, wherein: the needle pitch adjusting transmission connecting rod and the connecting arm form a double-connecting-rod structure.
6. The computerized roller machine gauge adjuster according to claim 1, wherein: one end of the sliding sleeve shaft is connected with the shell by adopting a bearing connection structure and assembled by matching the needle bearing with the needle roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120586487.1U CN214782510U (en) | 2021-03-23 | 2021-03-23 | Computerized roller machine needle distance regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120586487.1U CN214782510U (en) | 2021-03-23 | 2021-03-23 | Computerized roller machine needle distance regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214782510U true CN214782510U (en) | 2021-11-19 |
Family
ID=78666458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120586487.1U Active CN214782510U (en) | 2021-03-23 | 2021-03-23 | Computerized roller machine needle distance regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214782510U (en) |
-
2021
- 2021-03-23 CN CN202120586487.1U patent/CN214782510U/en active Active
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