CN217052626U

CN217052626U - Stepping feeding mechanism of sewing machine

Info

Publication number: CN217052626U
Application number: CN202220911448.9U
Authority: CN
Inventors: 程素华
Original assignee: Zhejiang Prajna Sewing Technology Co ltd
Current assignee: Zhejiang Prajna Sewing Technology Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-07-26
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a stepping feeding mechanism of a sewing machine, which comprises a mounting plate, wherein a first rotating rod is rotatably arranged on one side surface of the mounting plate, a swinging arm is rotatably sleeved on one side of the mounting plate on the outer surface of the first rotating rod, a sliding seat is slidably arranged at one end of one side surface of the swinging arm, a cleaning scraper blade is arranged on one side surface of the sliding seat, a mounting groove is arranged at the position corresponding to the sliding seat on one side surface of the swinging arm, a lead screw is fixed on one side inside the mounting groove, a screw sleeve is connected with one side of the outer surface of the lead screw through a thread, and a first spring is sleeved between the sliding seat and the screw sleeve on the outer surface of the lead screw, so as to adjust the pressure on the surfaces of the cleaning scraper and the feeding wheel.

Description

Stepping feeding mechanism of sewing machine

Technical Field

The utility model relates to a step-by-step feeding mechanism, in particular to sewing machine's step-by-step feeding mechanism.

Background

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a work material to interlace or stitch one or more layers of the work material.

When sewing the cloth, the sewing machine needs to continuously feed multiple cloths through the feeding mechanism so as to achieve the purpose of continuous sewing, but the existing feeding mechanism also has the following defects:

1. the surface of a feeding wheel of the existing feeding mechanism can adsorb certain cloth scraps in the feeding process, the cloth scraps cannot be cleaned in time, certain pollution can be caused to subsequent cloth, and the quality of the processed cloth is influenced;

2. when the existing feeding mechanism carries out feeding, the feeding stroke of the feeding wheel is fixed, and the feeding speed of the feeding wheel cannot be adjusted according to the sewing requirements of different fabrics.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewing machine's step-by-step feeding mechanism to what provide in solving above-mentioned background art can not carry out timely cleanness to the delivery wheel surface, can cause certain pollution and can not be according to the sewing demand of different cloth to subsequent cloth, carries out the problem of adjusting to the feeding speed of delivery wheel.

In order to achieve the above purpose, the utility model provides a following technical scheme: a first rotating rod is rotatably mounted on one side of the mounting plate, a swinging arm is rotatably sleeved on one side, located on the mounting plate, of the outer surface of the first rotating rod, a sliding seat is slidably mounted at one end of one side of the swinging arm, a cleaning scraper is arranged on one side of the sliding seat, a mounting groove is formed in a position, corresponding to the sliding seat, of one side of the swinging arm, a lead screw is fixed on one side of the inside of the mounting groove, a screw sleeve is in threaded connection with one side of the outer surface of the lead screw, and a first spring is sleeved on the outer surface of the lead screw between the sliding seat and the screw sleeve;

the utility model discloses a swing arm, including the swing arm, the swing arm is located one side of swing arm to the side of mounting panel, and the surface of transfer line is located one side of mounting panel and rotates and install the transfer line, and one side that the surface of transfer line is located the mounting panel is fixed with the fender ring, one side cover that the surface of transfer line is located the fender ring is equipped with the rotor arm, one side threaded connection that the surface of transfer line is located the rotor arm has fixation nut.

As a preferred technical scheme of the utility model, the opposite side mid-mounting of mounting panel has step motor, and step motor's output is fixed with band pulley one, the surface of bull stick one is located the opposite side of mounting panel and is fixed with band pulley four, the common cover of surface of band pulley one and band pulley four is equipped with belt two.

As a preferred technical scheme of the utility model, one side that the surface of bull stick one is located the swing arm is fixed with band pulley two, one side that the another side of swing arm is located band pulley two is rotated and is installed bull stick two, and the surface one end of bull stick two is fixed with band pulley three, the surface common cover of band pulley three and band pulley two is equipped with belt one.

As an optimal technical scheme of the utility model, the surface other end of bull stick two is fixed with the feeding wheel, the one end of cleaning scraper blade is located the surface department of laminating mutually with the feeding wheel.

As an optimal technical scheme of the utility model, the sliding seat is sliding connection with the lead screw, the external diameter of swivel nut is greater than the external diameter of spring one.

As a preferred technical scheme of the utility model, the one end of transfer line is located the internal surface department of laminating mutually with belt two, a side of rotor arm is located and sets up the adjustment tank rather than matcing with the corresponding department of transfer line, the transfer line is sliding connection with the rotor arm, the size of rotor arm and fixation nut all is greater than the width of adjustment tank.

As a preferred technical scheme of the utility model, one side that the another side of mounting panel is located step motor is fixed with the fixed plate, and a side-mounting of fixed plate has the regulation pole, the one end of adjusting the pole is connected with spring two, the connecting rod is installed to another side one end of swing arm, the one end and the connecting rod of spring two are fixed connection, one side that a lateral wall of mounting panel is located the swing arm is fixed with the baffle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a sewing machine control end control step motor rotates, by band pulley one, band pulley four, belt two, transfer line and the cooperation of bull stick one, drive the rotor arm and do the circular motion around the transfer line, the swing arm swing of right, and extension spring two, when the rotor arm swings to when separating with the swing arm, under the spring action of spring two, drive the swing arm and rotate and reset, simultaneously, by the cooperation of bull stick one, band pulley two, belt one, band pulley three and bull stick two, drive the feed wheel and rotate, carry the cloth, in the transportation process, the surface can adsorb certain cloth piece, can clean the piece that the surface adsorbs through cleaning scraper blade, according to needs, through rotating the swivel nut, can adjust the compression degree of spring one, and then adjust the pressure of sliding seat, in order to reach and adjust the pressure of cleaning scraper blade and feed wheel surface, effectual adsorbed piece to the feeding wheel surface cleans, avoids polluting subsequent cloth.

2. The utility model discloses according to the difference of cloth to and the required sewing density of cloth, slide the transfer line along the adjustment tank, thereby adjust the whole radius of rotation of rotor arm, adjust and accomplish the back, screw up through fixation nut and transfer line screw thread, by fixation nut, keep off the cooperation of ring and transfer line, fix the adjustment tank, thereby reach and adjust the amplitude of oscillation that promotes the swing arm, with the realization to the adjustment of the pay-off speed of cloth.

Drawings

Fig. 1 is a schematic view of a first view structure of the present invention;

FIG. 2 is an enlarged view of the position A of the present invention;

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

fig. 4 is a schematic view of the swing arm of the present invention;

fig. 5 is a schematic view of the disassembly structure of the middle transmission rod of the present invention.

In the figure: 1. mounting a plate; 11. a first belt wheel; 12. a first rotating rod; 121. a second belt wheel; 122. a second rotating rod; 123. a third belt wheel; 124. a first belt; 125. a feed wheel; 13. a belt wheel IV; 14. a second belt; 15. a swing arm; 16. a baffle plate; 17. a stepping motor; 2. a transmission rod; 21. a baffle ring; 22. a rotating arm; 23. an adjustment groove; 24. fixing a nut; 3. a sliding seat; 31. a cleaning blade; 32. mounting grooves; 33. a screw rod; 34. a threaded sleeve; 35. a first spring; 4. a fixing plate; 41. adjusting a rod; 42. a second spring; 43. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a step feeding mechanism of a sewing machine, comprising:

the first embodiment is as follows:

referring to fig. 1, 2, 3 and 4, a stepping feeding mechanism of a sewing machine comprises a mounting plate 1, a first rotating rod 12 is rotatably mounted on one side of the mounting plate 1, a swinging arm 15 is rotatably sleeved on one side of the outer surface of the first rotating rod 12, a sliding seat 3 is slidably mounted at one end of one side of the swinging arm 15, a cleaning scraper 31 is arranged on one side of the sliding seat 3, a mounting groove 32 is formed in a position, corresponding to the sliding seat 3, on one side of the inner portion of the mounting groove 32, a lead screw 33 is fixed on one side of the inner portion of the mounting groove 32, a screw sleeve 34 is connected with one side of the outer surface of the lead screw 33 in a threaded manner, a first spring 35 is sleeved on the outer surface of the lead screw 33 and positioned between the sliding seat 3 and the screw sleeve 34, a stepping motor 17 is mounted in the middle of the other side of the mounting plate 1, a first belt pulley 11 is fixed at the output end of the stepping motor 17, a fourth belt pulley 13 is fixed on the outer surface of the first rotating rod 12 and positioned on the other side of the mounting plate 1, the outer surfaces of the first belt wheel 11 and the fourth belt wheel 13 are sleeved with a second belt 14, the outer surface of the first rotating rod 12 is located on one side of the second swinging arm 121, a second belt wheel 121 is fixed on the outer surface of the first rotating rod 12, the other side of the second swinging arm 15 is located on one side of the second belt wheel 121, a second rotating rod 122 is rotatably installed on the other side of the second swinging arm 15, a third belt wheel 123 is fixed on one end of the outer surface of the second rotating rod 122, a first belt 124 is sleeved on the outer surfaces of the third belt wheel 123 and the second belt wheel 121, a feeding wheel 125 is fixed on the other end of the outer surface of the second rotating rod 122, one end of the cleaning scraper 31 is located at a position where the cleaning scraper is attached to the outer surface of the feeding wheel 125, debris adsorbed on the surface of the feeding wheel 125 is cleaned through the cleaning scraper 31, pollution of the subsequent cloth by the debris is avoided, the sliding seat 3 is in sliding connection with the screw rod 33, and the outer diameter of the screw sleeve 34 is larger than that of the first spring 35.

When in use, the utility model relates to a stepping feeding mechanism of a sewing machine, when in use, the design is installed at the sewing machine, the stepping motor 17 is controlled by the control end of the sewing machine to rotate, the rotating arm 22 is driven to do circular motion around the transmission rod 2 by the matching of the belt wheel I11, the belt wheel IV 13, the belt II 14, the transmission rod 2 and the rotating rod I12, the opposite swing arm 15 swings, the spring II 42 is stretched, when the rotating arm 22 swings to be separated from the swing arm 15, the swing arm 15 is driven to rotate and reset under the elastic force of the spring II 42, meanwhile, the rotating rod I12, the belt wheel II 121, the belt I124, the belt wheel III 123 and the rotating rod II 122 are matched to drive the feeding wheel 125 to rotate, the cloth is conveyed, in the conveying process, certain cloth fragments can be adsorbed on the surface of the feeding wheel 125, the fragments adsorbed on the surface of the feeding wheel 125 can be cleaned by the cleaning scraper 31, according to the requirement, the compression degree of the first spring 35 can be adjusted by rotating the screw sleeve 34, and then the pressure of the sliding seat 3 is adjusted, so that the pressure on the surfaces of the cleaning scraper 31 and the feeding wheel 125 can be adjusted.

Example two:

on the basis of the first embodiment, as shown in fig. 1 and 2, a transmission rod 2 is rotatably installed on one side of a swing arm 15 on one side of a mounting plate 1, a baffle ring 21 is fixed on one side of the mounting plate 1 on the outer surface of the transmission rod 2, a rotating arm 22 is sleeved on one side of the baffle ring 21 on the outer surface of the transmission rod 2, a fixing nut 24 is connected to one side of the rotating arm 22 on the outer surface of the transmission rod 2 in a threaded manner, one end of the transmission rod 2 is located at a position attached to the inner surface of a second belt 14, an adjusting groove 23 matched with the transmission rod 2 is formed in a position corresponding to one side of the rotating arm 22, the transmission rod 2 is in sliding connection with the rotating arm 22, the rotating arm 22 and the fixing nut 24 are both larger than the width of the adjusting groove 23, the feeding speed of the cloth is adjusted by adjusting the integral rotating radius of the rotating arm 22, so as to meet the sewing requirements of different cloths, the fixing plate 4 is fixed on one side, located on the stepping motor 17, of the other side face of the mounting plate 1, the adjusting rod 41 is installed on one side face of the fixing plate 4, the second spring 42 is connected to one end of the adjusting rod 41, the connecting rod 43 is installed on one end of the other side face of the swinging arm 15, one end of the second spring 42 is fixedly connected with the connecting rod 43, and the baffle 16 is fixed on one side, located on the swinging arm 15, of one side arm of the mounting plate 1.

When specifically using, the utility model relates to a step-by-step feeding mechanism of sewing machine, when the pay-off, according to the difference of cloth, and the required sewing density of cloth, slide transfer line 2 along adjustment tank 23, thereby adjust the whole radius of rotation of rotor arm 22, adjust and accomplish the back, screw up through

fixation nut

24 and 2 screw threads of transfer line, by fixation nut 24, keep off ring 21 and transfer line 2's cooperation, fix adjustment tank 23, thereby reach and adjust the swing range that promotes swing arm 15, in order to realize the adjustment to the feeding speed of cloth.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sewing machine's step-by-step feeding mechanism, includes mounting panel (1), its characterized in that: a first rotating rod (12) is rotatably mounted on one side face of the mounting plate (1), a swinging arm (15) is rotatably sleeved on one side, located on the mounting plate (1), of the outer surface of the first rotating rod (12), a sliding seat (3) is slidably mounted at one end of one side face of the swinging arm (15), a cleaning scraper (31) is arranged on one side face of the sliding seat (3), a mounting groove (32) is formed in a position, corresponding to the sliding seat (3), of one side face of the swinging arm (15), a lead screw (33) is fixed on one side of the inside of the mounting groove (32), a threaded sleeve (34) is connected to one side of the outer surface of the lead screw (33) in a threaded mode, and a first spring (35) is sleeved between the sliding seat (3) and the threaded sleeve (34) on the outer surface of the lead screw (33);

the utility model discloses a swing arm, including mounting panel (1), one side of mounting panel (1) is located one side rotation of swing arm (15) and installs transfer line (2), and the surface of transfer line (2) is located one side of mounting panel (1) and is fixed with fender ring (21), one side cover that the surface of transfer line (2) is located fender ring (21) is equipped with rotor arm (22), one side threaded connection that the surface of transfer line (2) is located rotor arm (22) has fixation nut (24).

2. The stepping feeding mechanism of a sewing machine according to claim 1, characterized in that: the opposite side mid-mounting of mounting panel (1) has step motor (17), and the output of step motor (17) is fixed with band pulley (11), the surface of bull stick (12) is located the opposite side of mounting panel (1) and is fixed with band pulley four (13), the surface of band pulley (11) and band pulley four (13) is overlapped jointly and is equipped with belt two (14).

3. The stepping feeding mechanism of a sewing machine according to claim 1, characterized in that: the surface of bull stick (12) is located one side of swing arm (15) and is fixed with band pulley two (121), the another side of swing arm (15) is located one side rotation of band pulley two (121) and is installed bull stick two (122), and the surface one end of bull stick two (122) is fixed with band pulley three (123), the surface cover of band pulley three (123) and band pulley two (121) is equipped with belt (124) jointly.

4. The stepping feeding mechanism of a sewing machine according to claim 3, wherein: and a feeding wheel (125) is fixed at the other end of the outer surface of the second rotating rod (122), and one end of the cleaning scraper blade (31) is positioned at the joint with the outer surface of the feeding wheel (125).

5. The stepping feeding mechanism of a sewing machine according to claim 1, characterized in that: the sliding seat (3) is in sliding connection with the screw rod (33), and the outer diameter of the threaded sleeve (34) is larger than that of the first spring (35).

6. The stepping feeding mechanism of a sewing machine according to claim 1, characterized in that: one end of the transmission rod (2) is located at a position attached to the inner surface of the second belt (14), an adjusting groove (23) matched with the transmission rod is formed in a position, corresponding to the transmission rod (2), of one side face of the rotating arm (22), the transmission rod (2) is in sliding connection with the rotating arm (22), and the rotating arm (22) and the fixing nut (24) are larger than the width of the adjusting groove (23).

7. The stepping feeding mechanism of a sewing machine according to claim 2, characterized in that: the one side that the another side of mounting panel (1) is located step motor (17) is fixed with fixed plate (4), and a side of fixed plate (4) installs regulation pole (41), the one end of adjusting pole (41) is connected with spring two (42), connecting rod (43) are installed to the another side one end of swing arm (15), the one end and connecting rod (43) of spring two (42) are fixed connection, one side that a lateral arm of mounting panel (1) is located swing arm (15) is fixed with baffle (16).