CN218812545U - Feeding mechanism for sewing machine - Google Patents

Abstract

A feeding mechanism for a sewing machine comprises a shell arranged outside, a rotating shaft arranged inside the shell, an upper gear disc arranged at the top end of the rotating shaft, a feeding gear disc arranged on one side of the upper gear disc, and a guide block arranged at the top end of the shell, and further comprises a transmission mechanism, a long groove and an installation hole, wherein the transmission mechanism is arranged on the inner side of the bottom of the shell; drive mechanism includes first bevel gear, bearing, transmission shaft, second bevel gear, third bevel gear and fluted disc down, and first bevel gear installs in the one end of step motor output shaft, and the transmission shaft is installed through the bearing in the inside of the bottom of casing, the utility model discloses novel structure thinks about ingeniously, is convenient for adjust driven step motor mounted position, simultaneously, is convenient for transmit step motor's power for the pivot, is favorable to using.

Description

Feeding mechanism for sewing machine

Technical Field

The utility model relates to a feeding mechanism specifically is a feeding mechanism for sewing machine.

Background

A Sewing machine (Sewing machine) is a machine that uses one or more Sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of the material. The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient. And derives the artistic forms of hand-pushing embroidery computer embroidery, etc.

According to the use of the sewing machine, there are classified into a home sewing machine, an industrial sewing machine, and a service industrial sewing machine located therebetween; according to the driving mode, the sewing machine can be divided into a hand-operated sewing machine, a foot-operated sewing machine and an electric sewing machine; the stitches to be sewn may be classified into hand-stitch-like stitches, lock-stitch stitches, single-thread chain stitches, double-or multi-thread chain stitches, single-or multi-thread covered chain stitches, and multi-thread covered chain stitch sewing machines.

The existing feeding mechanism for the sewing machine cannot well adjust the installation position of the transmission motor, so that the installation mode is limited, and meanwhile, the transmission effect is not ideal due to the influence of the installation position, and the use is not facilitated.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a feeding mechanism for sewing machine, the effectual current feeding mechanism for sewing machine of having solved leads to the mounting means limited to the unable better regulation of carrying on the mounted position of transmission motor's installation, simultaneously, because the influence of mounted position leads to transmission effect unsatisfactory, is unfavorable for the problem of use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model discloses a casing that the outside set up, the pivot of casing internally mounted, the last fluted disc of pivot top installation, the guide piece is installed at the top of the pay-off fluted disc of going up fluted disc one side installation and casing, still includes drive mechanism, fixing bolt, motor regulation seat, step motor, elongated slot and mounting hole, drive mechanism is installed to the inboard of casing bottom, and the motor regulation seat is installed through fixing bolt in the bottom of casing, and the step motor is installed at the middle part of motor regulation seat, and motor regulation seat one side corresponds fixing bolt position department and has seted up the elongated slot;

the transmission mechanism comprises a first bevel gear, a bearing, a transmission shaft, a second bevel gear, a third bevel gear and a lower fluted disc, the first bevel gear is installed at one end of an output shaft of the stepping motor, the transmission shaft is installed inside the bottom end of the shell through the bearing, the second bevel gear meshed with the first bevel gear is installed in the middle of the transmission shaft, the third bevel gear is installed at one end of the transmission shaft, and the lower fluted disc is fixed at the bottom end of the rotating shaft.

Preferably, the feeding toothed disc is rotatably mounted in the guide block.

Preferably, both ends of the long groove are arc-shaped structures.

Preferably, the shell is provided with a mounting hole at a position corresponding to the fixing bolt.

Preferably, the third bevel gear is in meshed connection with the lower toothed disc.

Preferably, the rotating shaft is connected with the housing through a bearing.

Has the advantages that: the utility model discloses during the use, step motor installs in the motor regulation seat, the bottom at the casing is installed through fixing bolt to the motor regulation seat, the setting of elongated slot, accessible loosening fixing bolt, the position of regulation motor regulation seat on the casing, to the regulation of step motor position promptly, in use, step motor work drives first bevel gear and rotates, first bevel gear rotates and drives second bevel gear and rotate, second bevel gear rotates and drives the transmission shaft and rotate, the transmission shaft rotates and drives third bevel gear and rotate, third bevel gear rotates and drives lower fluted disc and rotate, lower fluted disc rotates and drives the pivot and rotate, (the pivot rotates and drives the upper fluted disc and rotate, the upper fluted disc rotates and drives the pay-off fluted disc at the guide block internal rotation, the pay-off fluted disc can be with the cloth forward pay-off under the guide block, this is prior art).

The utility model discloses novel structure thinks about ingeniously, is convenient for adjust driven step motor mounted position, simultaneously, is convenient for transmit step motor's power transmission for the pivot, is favorable to using.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

fig. 2 is a schematic view of a first partial explosion structure of the present invention;

fig. 3 is a schematic view of a second partial explosion structure of the present invention;

reference numbers in the figures: 1. a housing; 2. a rotating shaft; 3. an upper fluted disc; 4. a feeding fluted disc; 5. a guide block; 6. a transmission mechanism; 601. a first bevel gear; 602. a bearing; 603. a drive shaft; 604. a second bevel gear; 605. a third bevel gear; 606. a lower fluted disc; 7. fixing the bolt; 8. a motor adjusting seat; 9. a stepping motor; 10. a long groove; 11. and (7) mounting holes.

Detailed Description

The following description will explain embodiments of the present invention in further detail with reference to fig. 1-3.

The first embodiment is given by fig. 1-3, the utility model provides a feeding mechanism for sewing machine, including the casing 1 that the outside set up, the pivot 2 of casing 1 internally mounted, the last fluted disc 3 of 2 top installations of pivot, the guide block 5 is installed to the top of the feeding fluted disc 4 and casing 1 of 3 one side installations of last fluted disc, still include drive mechanism 6, fixing bolt 7, motor regulation seat 8, step motor 9, elongated slot 10 and mounting hole 11, drive mechanism 6 is installed to the inboard of casing 1 bottom, the bottom of casing 1 is installed motor regulation seat 8 through fixing bolt 7, the mid-mounting of motor regulation seat 8 has step motor 9, the position department that corresponds fixing bolt 7 on one side of motor regulation seat 8 has seted up elongated slot 10;

the transmission mechanism 6 comprises a first bevel gear 601, a bearing 602, a transmission shaft 603, a second bevel gear 604, a third bevel gear 605 and a lower toothed disc 606, the first bevel gear 601 is mounted at one end of the output shaft of the stepping motor 9, the transmission shaft 603 is mounted in the bottom end of the housing 1 through the bearing 602, the second bevel gear 604 meshed with the first bevel gear 601 is mounted in the middle of the transmission shaft 603, the third bevel gear 605 is mounted at one end of the transmission shaft 603, and the lower toothed disc 606 is fixed at the bottom end of the rotating shaft 2.

When in specific use: the utility model discloses during the use, step motor 9 is installed in motor regulation seat 8, motor regulation seat 8 passes through fixing bolt 7 and installs the bottom at casing 1, the setting of elongated slot 10, accessible unscrewing fixing bolt 7, adjust the position of motor regulation seat 8 on casing 1, be to the regulation of step motor 9 position promptly, in use, step motor 9 works and drives first bevel gear 601 and rotate, first bevel gear 601 rotates and drives second bevel gear 604 and rotate, second bevel gear 604 rotates and drives transmission shaft 603 and rotate, transmission shaft 603 rotates and drives third bevel gear 605 and rotate, third bevel gear 605 rotates and drives lower fluted disc 606 and rotates, lower fluted disc 606 rotates and drives pivot 2 and rotates, (pivot 2 rotates and drives upper fluted disc 3 and rotates, upper fluted disc 3 rotates and drives pay-off fluted disc 4 at guide block 5 internal rotation, pay-off fluted disc 4 can be with the cloth pay-off forward under the guide block 5, this is prior art).

Has the beneficial effects that: the utility model discloses novel structure thinks about ingeniously, is convenient for adjust driven step motor 9 mounted position, simultaneously, is convenient for transmit step motor 9's power for pivot 2, is favorable to using.

Example two

In the first embodiment, the feeding toothed disc 4 is not easy to install and use, and referring to fig. 1, as another preferred embodiment, the difference between the first embodiment and the second embodiment is that the feeding toothed disc 4 is rotatably mounted in the guide block 5 to facilitate the feeding advance by the rotation of the feeding toothed disc 4.

EXAMPLE III

Referring to fig. 2, the difference between the first preferred embodiment and the second preferred embodiment is that both ends of the long slot 10 are arc-shaped, which facilitates the adjustment of the motor adjustment base 8.

Example four

Referring to fig. 2, as another preferred embodiment, the difference from the first embodiment is that a mounting hole 11 is formed in a position of the housing 1 corresponding to the fixing bolt 7, so as to facilitate mounting and fixing of the motor adjusting seat 8.

EXAMPLE five

Referring to fig. 1-3, the first preferred embodiment is different from the first embodiment in that the third bevel gear 605 is engaged with the lower toothed disc 606 to facilitate the transmission of the third bevel gear 605 and the lower toothed disc 606.

EXAMPLE six

Referring to fig. 1, the first preferred embodiment is different from the first preferred embodiment in that the rotating shaft 2 is connected to the housing 1 through a bearing, so as to facilitate the installation and use of the rotating shaft 2.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a feeding mechanism for sewing machine, includes casing (1) that the outside set up, casing (1) internally mounted's pivot (2), last fluted disc (3) of pivot (2) top installation, go up the top of pay-off fluted disc (4) and casing (1) of fluted disc (3) one side installation and install guide block (5), its characterized in that: the electric motor adjusting device is characterized by further comprising a transmission mechanism (6), a fixing bolt (7), a motor adjusting seat (8), a stepping motor (9), an elongated slot (10) and a mounting hole (11), wherein the transmission mechanism (6) is mounted on the inner side of the bottom of the shell (1), the motor adjusting seat (8) is mounted at the bottom end of the shell (1) through the fixing bolt (7), the stepping motor (9) is mounted in the middle of the motor adjusting seat (8), and the elongated slot (10) is formed in one side of the motor adjusting seat (8) corresponding to the position of the fixing bolt (7);

the transmission mechanism (6) comprises a first bevel gear (601), a bearing (602), a transmission shaft (603), a second bevel gear (604), a third bevel gear (605) and a lower fluted disc (606), wherein the first bevel gear (601) is installed at one end of an output shaft of the stepping motor (9), the transmission shaft (603) is installed inside the bottom end of the shell (1) through the bearing (602), the second bevel gear (604) meshed with the first bevel gear (601) is installed in the middle of the transmission shaft (603), the third bevel gear (605) is installed at one end of the transmission shaft (603), and the lower fluted disc (606) is fixed at the bottom end of the rotating shaft (2).

2. The feeding mechanism for sewing machines according to claim 1, characterized in that said feeding toothed disc (4) is rotatably mounted in the guide block (5).

3. The feeding mechanism for sewing machine according to claim 1, wherein both ends of the long groove (10) are arc-shaped.

4. The feeding mechanism for sewing machine according to claim 1, characterized in that the housing (1) is provided with a mounting hole (11) at a position corresponding to the fixing bolt (7).

5. The feeding mechanism for sewing machine according to claim 1, wherein the third bevel gear (605) is engaged with the lower toothed disc (606).

6. The feeding mechanism for sewing machine according to claim 1, wherein the rotating shaft (2) is connected to the housing (1) through a bearing.

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