CN215209917U

CN215209917U - Cloth feeding adjusting mechanism of sewing machine

Info

Publication number: CN215209917U
Application number: CN202121366380.2U
Authority: CN
Inventors: 黄燕霞; 吕阿锋
Original assignee: Suzhou Jieda Dust Free Technology Co ltd
Current assignee: Suzhou Jieda Dust Free Technology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-17
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a sewing machine's work feed adjustment mechanism, comprising a base plate, the locating hole has all been opened in bottom plate four corners, bottom plate upper end middle part fixed mounting has the base, base upper end fixed mounting has drive work feed spare, drive work feed spare middle part is provided with the regulator, regulator upper end fixed mounting has work feed steel tooth spare, work feed steel tooth spare longitudinal section is fan-shaped structure, work feed steel tooth spare surface fixed mounting has a plurality of steel teeth. The cloth feeding adjusting mechanism of the sewing machine, disclosed by the utility model, can carry out quick feeding operation by driving the cloth feeding piece, and can carry out height adjustment on the cloth feeding steel gear piece by utilizing the adjuster, thereby meeting the pushing work of cloth with different thicknesses, and changing the feeding state of the cloth feeding teeth to the cloth, so that the sewing quality is improved; through the setting of the angle adjusting piece on the adjuster, the pushing work of cloth with different thicknesses can be further met, and the flexibility of the cloth mechanism is improved.

Description

Cloth feeding adjusting mechanism of sewing machine

Technical Field

The utility model relates to a sewing machine technical field, in particular to sewing machine's work feed adjustment mechanism.

Background

In the use of sewing machine, in order to compress tightly the cloth, make things convenient for the machine to sew to the cloth, after the eedle sewing is accomplished, be convenient for promote the cloth fast and remove simultaneously, consequently need use to send the feed mechanism to the cloth. The existing feed dog often has the following problems in the installation and use process: 1. the conventional cloth feeding teeth are inconvenient to adjust the height, so that the feeding teeth are inconvenient to carry out feeding operation on cloth with different thicknesses, and the feeding effect is influenced; 2. the prior cloth feeding teeth are inconvenient to adjust the inclination angle, and the flexibility of the cloth feeding mechanism is poor.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a sewing machine's work feed adjustment mechanism can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a sewing machine's work feed adjustment mechanism, includes the bottom plate, the locating hole has all been opened in bottom plate four corners, bottom plate upper end middle part fixed mounting has the base, base upper end fixed mounting has drive work feed spare, drive work feed spare middle part is provided with the regulator, regulator upper end fixed mounting has work feed steel tooth spare, work feed steel tooth spare longitudinal section is fan-shaped structure, work feed steel tooth spare surface fixed mounting has a plurality of steel teeth.

Preferably, drive work feed spare includes driving motor, driving motor output fixed mounting has the dwang, connecting rod No. one of dwang front end fixedly connected with, one side swing joint that the dwang was kept away from to a connecting rod has the connecting rod No. two, No. two connecting rods keep away from one side fixedly connected with connecting rod No. three connecting rods, No. three connecting rods keep away from one side swing joint of No. two connecting rods and have the bearing frame, No. two connecting rod middle parts run through there is the axis of rotation.

Preferably, the lower end of the driving motor is fixedly connected with the upper end of the base, the rear end of the bearing seat is fixedly connected with the front end of the base, and the rear end of the rotating shaft penetrates through the lower part of the regulator.

Preferably, the cloth feeding steel tooth part comprises a second stand column, a first stand column is movably sleeved on the lower portion of the outer surface of the second stand column, an angle adjusting part is fixedly connected to the left end of the first stand column, a fastening knob is connected to the upper portion of the first stand column through threads, and a plurality of first mounting holes are formed in the front end of the second stand column.

Preferably, the fastening knobs are matched with the first mounting holes, the upper end of the second stand column is fixedly connected with the lower end of the cloth feeding steel tooth piece, and the first stand column is movably connected with the rotating shaft.

Preferably, the angle adjusting part comprises a second support rod, a first support rod is sleeved on the right part of the outer surface of the second support rod in a movable mode, a plurality of second mounting holes are formed in the upper end of the second support rod, a fastening screw is connected to the upper end of the first support rod in a threaded mode and is matched with the plurality of second mounting holes in a threaded mode, the right end of the first support rod is fixedly connected with the first stand column, and the lower end of the second support rod is fixedly connected with the upper end of the second connecting rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses in, carry out quick pay-off operation through drive work feed spare to utilize the regulator to carry out altitude mixture control to work feed steel tooth spare, satisfy the push work of different thickness cloth, change the pay-off state of work feed dog to the cloth, make the sewing quality improve.

(2) The utility model discloses in, through the setting of angle adjustment spare on the regulator, adjust the height of bracing piece No. two in the bracing piece to realize work feed steel tooth spare inclination's regulation, treat that the connection that utilizes fastening screw to run through No. two mounting holes that correspond the position after inclination adjusts the completion realizes that bracing piece and No. two bracing pieces between is fixed, further satisfy the propelling movement work of different thickness cloth, improve the flexibility of cloth mechanism.

Drawings

FIG. 1 is a schematic view of the overall structure of a cloth feeding adjusting mechanism of a sewing machine according to the present invention;

FIG. 2 is a schematic view of a partial structure of a cloth feeding adjustment mechanism of a sewing machine according to the present invention;

FIG. 3 is a schematic structural view of a cloth feeding steel tooth member of a cloth feeding adjusting mechanism of a sewing machine according to the present invention;

fig. 4 is a schematic structural view of another angle of the cloth feeding steel tooth member of the cloth feeding adjusting mechanism of the sewing machine of the present invention.

In the figure: 1. a base plate; 2. a base; 3. positioning holes; 4. driving the cloth feeding piece; 5. a cloth feeding steel tooth piece; 6. a regulator; 41. a drive motor; 42. rotating the rod; 43. a first connecting rod; 44. a second connecting rod; 45. a third connecting rod; 46. a bearing seat; 47. a rotating shaft; 51. a first upright post; 52. a second upright post; 53. a first mounting hole; 54. fastening a knob; 55. an angle adjusting member; 551. a first support rod; 552. fastening screws; 553. a second support rod; 554. and a second mounting hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a cloth feeding adjusting mechanism of a sewing machine comprises a base plate 1, positioning holes 3 are formed in four corners of the base plate 1, a base 2 is fixedly mounted in the middle of the upper end of the base plate 1, a driving cloth feeding piece 4 is fixedly mounted at the upper end of the base 2, an adjuster 6 is arranged in the middle of the driving cloth feeding piece 4, a cloth feeding steel tooth piece 5 is fixedly mounted at the upper end of the adjuster 6, the longitudinal section of the cloth feeding steel tooth piece 5 is of a fan-shaped structure, and a plurality of steel teeth are fixedly mounted on the outer surface of the cloth feeding steel tooth piece 5.

The driving cloth feeding piece 4 comprises a driving motor 41, a rotating rod 42 is fixedly installed at the output end of the driving motor 41, a first connecting rod 43 is fixedly connected to the front end of the rotating rod 42, one side, away from the rotating rod 42, of the first connecting rod 43 is movably connected with a second connecting rod 44, one side, away from the first connecting rod 43, of the second connecting rod 44 is fixedly connected with a third connecting rod 45, one side, away from the second connecting rod 44, of the third connecting rod 45 is movably connected with a bearing seat 46, a rotating shaft 47 penetrates through the middle of the second connecting rod 44, the driving cloth feeding piece 4 drives the first connecting rod 43 on the rotating rod 42 to rotate, one side, away from the rotating rod 42, of the first connecting rod 43 carries out circular motion, and at the moment, the second connecting rod 44 fixedly connected with the first connecting rod 43 drives the upper end regulator 6 of the second connecting rod 44 to carry out circular motion under the action of the first connecting rod 43; in order to realize the installation and connection of the driving cloth feeding piece 4, the lower end of the driving motor 41 is fixedly connected with the upper end of the base 2, the rear end of the bearing seat 46 is fixedly connected with the front end of the base 2, and the rear end of the rotating shaft 47 penetrates through the lower part of the regulator 6; the cloth feeding steel tooth part 5 comprises a second upright post 52, a first upright post 51 is movably sleeved on the lower portion of the outer surface of the second upright post 52, an angle adjusting part 55 is fixedly connected to the left end of the first upright post 51, a fastening knob 54 is connected to the upper portion of the first upright post 51 in a threaded manner, a plurality of first mounting holes 53 are formed in the front end of the second upright post 52, the height of the second upright post 52 in the first upright post 51 can be adjusted, so that the height of the cloth feeding steel tooth part 5 can be adjusted, after the height is adjusted, the fastening knob 54 penetrates through the first mounting holes 53 in the corresponding position to achieve connection and fixation between the first upright post 51 and the second upright post 52, and pushing work of cloth with different thicknesses is met; the fastening knobs 54 are matched with the first mounting holes 53, the upper end of the second upright post 52 is fixedly connected with the lower end of the cloth feeding steel tooth part 5, and the first upright post 51 is movably connected with the rotating shaft 47; angle adjusting part 55 includes No. two bracing pieces 553, bracing piece 551 has been cup jointed in the activity of No. two bracing pieces 553 outer surface right parts, No. two bracing pieces 553 upper end is opened has a plurality of mounting hole 554, a bracing piece 551 upper end threaded connection has fastening screw 552, fastening screw 552 matches and threaded connection with a plurality of mounting hole 554 No. two, fixed connection between a bracing piece 551 right-hand member and a stand 51, No. two bracing piece 553 lower extreme and No. two connecting rod 44 upper end fixed connection, adjust the height of No. two bracing piece 553 in a bracing piece 551, thereby realize sending the regulation of cloth pinion 5 inclination, treat that the connection between No. two bracing pieces 551 and No. two bracing pieces 553 is realized to utilize fastening screw 552 to run through the mounting hole 554 that corresponds the position after inclination adjusts the completion is fixed.

It should be noted that the present invention is a cloth feeding adjusting mechanism of sewing machine, when the feeding operation is required to be performed to the sewing machine, the cloth feeding member 4 can be started to drive the cloth feeding member 4 to drive the first connecting rod 43 on the rotating rod 42 to rotate, one side of the first connecting rod 43 away from the rotating rod 42 performs circular motion, and at this time, the second connecting rod 44 fixedly connected to the first connecting rod 43 drives the adjuster 6 at the upper end of the second connecting rod 44 to perform circular motion under the action of the first connecting rod 43, the adjuster 6 performs circular motion and simultaneously drives the cloth feeding steel tooth member 5 to perform circular motion, the cloth feeding steel tooth member 5 performs circular motion, thereby driving the cloth on the sewing machine to perform the feeding operation, when the feeding operation is required to be performed to thick cloth or thin cloth, the height of the second upright column 52 in the first upright column 51 can be adjusted, thereby realizing the height adjustment of the cloth feeding steel tooth member 5, after the height adjustment is finished, the fastening knob 54 penetrates through the first mounting hole 53 in the corresponding position to realize the connection and fixation between the first upright post 51 and the second upright post 52, the pushing work of cloth with different thicknesses is met, when the angle of the cloth feeding steel tooth part 5 needs to be adjusted, the height of the second support rod 553 in the first support rod 551 can be adjusted, the inclination angle of the cloth feeding steel tooth part 5 is adjusted, after the inclination angle is adjusted, the fastening screw 552 penetrates through the second mounting hole 554 in the corresponding position to realize the connection and fixation between the first support rod 551 and the second support rod 553, and the pushing work of the cloth with different thicknesses is further met.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sewing machine's work feed adjustment mechanism, includes bottom plate (1), its characterized in that: locating hole (3) have all been opened in bottom plate (1) four corners, bottom plate (1) upper end middle part fixed mounting has base (2), base (2) upper end fixed mounting has drive work feed spare (4), drive work feed spare (4) middle part is provided with regulator (6), regulator (6) upper end fixed mounting has work feed steel tooth spare (5), work feed steel tooth spare (5) longitudinal section is fan-shaped structure, work feed steel tooth spare (5) surface fixed mounting has a plurality of steel teeth.

2. A cloth feed adjusting mechanism of a sewing machine according to claim 1, characterized in that: drive work feed spare (4) is including driving motor (41), driving motor (41) output end fixed mounting has dwang (42), connecting rod (43) of dwang (42) front end fixedly connected with one number, one side swing joint that dwang (42) were kept away from to connecting rod (43) has connecting rod (44) two numbers, connecting rod (44) are kept away from connecting rod (43) one side fixedly connected with connecting rod (43) three numbers connecting rod (45) No. two, one side swing joint that connecting rod (44) were kept away from to connecting rod (45) three numbers has bearing frame (46), No. two connecting rod (44) middle parts run through there is axis of rotation (47).

3. A cloth feed adjusting mechanism of a sewing machine according to claim 2, characterized in that: the lower end of the driving motor (41) is fixedly connected with the upper end of the base (2), the rear end of the bearing seat (46) is fixedly connected with the front end of the base (2), and the rear end of the rotating shaft (47) penetrates through the lower portion of the regulator (6).

4. A cloth feed adjusting mechanism of a sewing machine according to claim 1, characterized in that: the cloth feeding steel tooth part (5) comprises a second stand column (52), a first stand column (51) is movably sleeved on the lower portion of the outer surface of the second stand column (52), an angle adjusting part (55) is fixedly connected to the left end of the first stand column (51), a fastening knob (54) is connected to the upper portion of the first stand column (51) in a threaded mode, and a plurality of first mounting holes (53) are formed in the front end of the second stand column (52).

5. A cloth feed adjusting mechanism of a sewing machine according to claim 4, characterized in that: the fastening knobs (54) are matched with the first mounting holes (53), the upper end of the second upright post (52) is fixedly connected with the lower end of the cloth feeding steel tooth piece (5), and the first upright post (51) is movably connected with the rotating shaft (47).

6. A cloth feed adjusting mechanism of a sewing machine according to claim 4, characterized in that: the angle adjusting piece (55) comprises a second supporting rod (553), a first supporting rod (551) is movably sleeved at the right part of the outer surface of the second supporting rod (553), a plurality of second mounting holes (554) are formed in the upper end of the second supporting rod (553), a fastening screw (552) is in threaded connection with the upper end of the first supporting rod (551), the fastening screw (552) is matched with the plurality of second mounting holes (554) and is in threaded connection with the plurality of second mounting holes (554), the right end of the first supporting rod (551) is fixedly connected with a first upright post (51), and the lower end of the second supporting rod (553) is fixedly connected with the upper end of a second connecting rod (44).