CN114934357A - Sewing machine - Google Patents
Sewing machine Download PDFInfo
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- CN114934357A CN114934357A CN202210652736.1A CN202210652736A CN114934357A CN 114934357 A CN114934357 A CN 114934357A CN 202210652736 A CN202210652736 A CN 202210652736A CN 114934357 A CN114934357 A CN 114934357A
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- Prior art keywords
- shaft
- feeding
- transmission
- motor
- groove
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- 238000009958 sewing Methods 0.000 title claims abstract description 62
- 230000005540 biological transmission Effects 0.000 claims abstract description 178
- 238000007789 sealing Methods 0.000 claims description 32
- 238000005192 partition Methods 0.000 claims description 24
- 239000000314 lubricant Substances 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000011435 rock Substances 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000009966 trimming Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012945 sealing adhesive Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/24—Feed-dog lifting and lowering devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B71/00—Lubricating or cooling devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The embodiment of the invention belongs to the technical field of sewing machine equipment, and particularly relates to a sewing machine which is used for solving the problem that a feeding track cannot be adjusted in the related technology. The sewing machine comprises a feeding driving mechanism and a feed lifting tooth driving mechanism, the feeding driving mechanism comprises a feeding motor and a feeding shaft, the feeding motor is positioned in the first groove, the feeding shaft is in transmission connection with an output shaft of the feeding motor, and the feeding shaft is also in transmission connection with the feed lifting tooth frame; the tooth lifting driving mechanism comprises a main transmission motor and a first transmission shaft, the first transmission shaft is in transmission connection with an output shaft of the main transmission motor, and the first transmission shaft is also in transmission connection with the other end of the tooth lifting frame. According to the embodiment of the invention, the feeding motor drives the feeding shaft to rotate, so that the feeding shaft drives one end of the feed lifting rack to move, the main transmission motor drives the first transmission shaft to rotate, so that the first transmission shaft drives the other end of the feed lifting rack to move, and the different motors drive the two ends of the feed lifting rack to move, so that the feed lifting amount of the feed lifting rack can be adjusted, and the feeding track can be changed.
Description
Technical Field
The embodiment of the invention relates to the technical field of sewing machines, in particular to a sewing machine.
Background
A 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 material. The stitches sewn by the sewing machine are tidy, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient, so that the sewing machine is widely used in the sewing industry.
In the related art, the feeding track of the sewing machine is fixed and invariable, and the adaptability to different types of cloth is poor.
Disclosure of Invention
The embodiment of the invention provides a sewing machine, which is used for solving the problem that the feeding track can not be adjusted in the related technology.
An embodiment of the present invention provides a sewing machine, including: the oil pan is provided with an accommodating groove, a partition plate is arranged on the oil pan, and the partition plate divides the accommodating groove into a first groove and a second groove;
the bottom plate is provided with a rib plate corresponding to the separation plate, the bottom plate is hermetically connected with the oil pan and the separation plate is hermetically connected with the rib plate, and a lubricant is contained in the second groove;
the feeding driving mechanism comprises a feeding motor and a feeding shaft, the feeding motor is positioned in the first groove, the feeding shaft is in transmission connection with an output shaft of the feeding motor, a certain included angle is formed between the extension direction of the feeding shaft and the extension direction of the output shaft of the feeding motor, and the feeding shaft is also in transmission connection with the feed lifting rack;
the tooth lifting driving mechanism comprises a main transmission motor and a first transmission shaft, the first transmission shaft is in transmission connection with an output shaft of the main transmission motor, and the first transmission shaft is also in transmission connection with the other end of the tooth lifting frame.
In a possible implementation mode, the device comprises a feeding connecting rod, a feeding crank and a connecting shaft, wherein one end of the feeding crank is sleeved on an output shaft of a feeding motor, and the other end of the feeding crank is hinged with the feeding connecting rod; the other end of the feeding connecting rod is hinged with the connecting shaft ball, and the other end of the connecting shaft is inserted in the feeding shaft.
In a possible implementation manner, the extension direction of the feeding shaft is perpendicular to the extension direction of the output shaft of the feeding motor.
In a possible implementation manner, the feeding device further comprises a mounting frame, the feeding motor is fixed on the bottom plate through the mounting frame, and the mounting frame is arranged in the second groove.
In a possible implementation manner, the bottom plate and the oil pan are connected in a sealing manner through sealing strips, a plurality of baffle plates are arranged on the side walls of the first groove and the second groove, and the baffle plates protrude out of the side walls of the first groove and the second groove; blocking edges are arranged on the side wall edges of the first groove and the second groove, and the sealing strip for connecting the bottom plate and the oil pan is arranged in a space between the blocking edges and the baffle;
and/or the partition plate and the rib plate are connected in a sealing manner through the sealing strip, and the sealing strip for connecting the partition plate and the rib plate is arranged in a space between the baffle plate positioned in the first groove and the baffle plate positioned in the second groove.
In a possible implementation manner, the sewing machine further comprises a first transmission shaft in transmission connection with a main transmission motor, and the first transmission shaft is also in transmission connection with a feed lifting rack of the sewing machine; the rib plate is provided with a first mounting hole, and the first transmission shaft penetrates through the first mounting hole and is connected with the first mounting hole in a sealing mode.
In a possible implementation manner, the sewing machine comprises a second transmission shaft in transmission connection with the main transmission motor, and the second transmission shaft is also in transmission connection with a thread cutting movable blade of the sewing machine; the rib plate is provided with a second mounting hole, and the second transmission shaft penetrates into the second mounting hole and is connected with the second mounting hole in a sealing mode.
In a possible implementation manner, the transmission device further comprises a third transmission shaft and an intermediate transmission shaft, the third transmission shaft is in transmission connection with an output shaft of the main transmission motor, a first driving gear is arranged on the third transmission shaft, a first driven gear meshed with the first driving gear is arranged at one end of the intermediate transmission shaft, a second driving gear is arranged at the other end of the intermediate transmission shaft, and a second driven gear meshed with the second driving gear is arranged on the second transmission shaft, so that the second transmission shaft is in transmission connection with the main transmission motor through the third transmission shaft and the intermediate transmission shaft.
In one possible implementation, the second driving gear and the second driven gear constitute a gear driving part, and the gear driving part is located between the bottom plate and an oil pan and is immersed in the lubricant of the second groove.
In a possible implementation mode, the sewing machine further comprises a needle bar frame, the needle bar frame is connected with the third transmission shaft in a transmission mode, the needle bar frame is provided with a sewing needle, and the main transmission motor drives the sewing needle to move along the vertical direction.
The embodiment of the invention provides a sewing machine, which comprises an oil disc, a bottom plate, a feeding driving mechanism and a feed lifting tooth driving structure, wherein the oil disc is provided with an accommodating groove, a partition plate is arranged on the oil disc, and the accommodating groove is divided into a first groove and a second groove by the partition plate; the bottom plate is provided with a rib plate corresponding to the partition plate, the bottom plate is connected with the oil pan in a sealing manner, and the partition plate is connected with the rib plate in a sealing manner; the feeding driving mechanism comprises a feeding motor and a feeding shaft, the feeding motor is positioned in the first groove, the feeding shaft is in transmission connection with an output shaft of the feeding motor, a certain included angle is formed between the extension direction of the feeding shaft and the extension direction of the output shaft of the feeding motor, and the feeding shaft is also in transmission connection with the feed lifting rack; the tooth lifting driving mechanism comprises a main transmission motor and a first transmission shaft, the first transmission shaft is in transmission connection with an output shaft of the main transmission motor, and the first transmission shaft is also in transmission connection with the other end of the tooth lifting frame. According to the embodiment of the invention, the feeding motor drives the feeding shaft to rotate, so that the feeding shaft drives one end of the feed lifting rack to move, the main transmission motor drives the first transmission shaft to rotate, so that the first transmission shaft drives the other end of the feed lifting rack to move, and the different motors drive the two ends of the feed lifting rack to move, so that the feed lifting amount of the feed lifting rack can be adjusted, and the feeding track can be changed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a sewing machine according to an embodiment of the present invention;
fig. 2 is a first structural schematic diagram of a feeding driving mechanism and a tooth lifting driving mechanism according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a feeding driving mechanism and a tooth lifting driving mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic view of an assembly structure of a feeding driving mechanism and an oil pan according to an embodiment of the present invention;
fig. 5 is a schematic structural view of an oil pan according to an embodiment of the present invention.
Description of reference numerals:
10. a base plate;
20. an oil pan;
201. a partition plate;
202. a baffle plate;
203. a blocking edge;
21. a first groove;
22. a second groove;
40. a main drive motor;
401. an eccentric wheel;
402. a feed lifting fork;
41. a third drive shaft;
42. a transfer lever;
43. an intermediate transmission shaft;
44. a gear drive component;
45. a first drive shaft;
46. a second drive shaft;
47. trimming and moving the knife;
50. a feeding motor;
501. a mounting frame;
502. a feed lifting crank;
51. a feed shaft;
52. a feeding crank;
53. a feeding connecting rod;
60. a feed lifting rack;
601. lifting the toothed column;
61. feeding teeth;
70. a needle bar frame.
Detailed Description
In the related art, the sewing machine includes a main driving motor, which is connected to both ends of the feed lifting frame in a driving manner. Because the two ends of the feed lifting rack are driven by the same motor, the feeding track of the sewing machine is fixed and unchanged, and the adaptability to different types of cloth is poor.
In view of the above, an embodiment of the present invention provides a sewing machine, which includes a bottom plate, an oil pan, a feeding driving mechanism and a feed lifting rack driving mechanism, wherein a partition plate is disposed on the oil pan, the partition plate divides an accommodating tank into a first groove and a second groove, a rib plate is disposed on the bottom plate, the oil pan is hermetically connected with the bottom plate, the rib plate is hermetically connected with the partition plate, the feeding driving mechanism includes a feeding motor and a feeding shaft, the feeding motor is disposed in the first groove, the feeding shaft is in transmission connection with an output shaft of the feeding motor, an included angle is formed between an extension direction of the feeding shaft and an extension direction of the output shaft of the feeding motor, and the feeding shaft is also in transmission connection with the feed lifting rack; the tooth lifting driving structure comprises a main transmission motor and a first transmission shaft, the first transmission shaft is in transmission connection with an output shaft of the main transmission motor, and the first transmission shaft is also in transmission connection with the other end of the tooth lifting frame. According to the embodiment of the invention, the feeding motor drives the feeding shaft to rotate, so that the feeding shaft drives one end of the feed lifting rack to move, the main transmission motor drives the first transmission shaft to rotate, so that the first transmission shaft drives the other end of the feed lifting rack to move, and the different motors drive the two ends of the feed lifting rack to move, so that the feed lifting amount of the feed lifting rack can be adjusted, and the feeding track can be changed.
Usually, a sealing disc is arranged outside the gear driving component so as to achieve the oil-proof effect of the feeding motor. While various alternative implementations of the present invention will now be described with reference to the drawings, it will be understood by those skilled in the art that the following implementations are illustrative only and not exhaustive, and that certain features or certain examples may be substituted, spliced or combined by those skilled in the art based on these implementations, and are still considered to be the present disclosure.
Referring to fig. 1 and 4, an embodiment of the present invention provides a sewing machine including an oil pan 20, a base plate 10, a feed driving mechanism, and a feed lifting driving mechanism.
Illustratively, the oil pan 20 has a receiving tank, and a partition plate 201 is further provided on the oil pan 20, and the receiving tank is partitioned into a first groove 21 and a second groove 22 by the partition plate 201. The first groove 21 is used for accommodating a feeding motor 50 of the sewing machine, and the second groove 22 is filled with lubricant. Correspondingly, the bottom plate 10 is provided with rib plates corresponding to the partition plates 201, the bottom plate 10 is hermetically connected with the oil pan 20 and the partition plates 201 are hermetically connected with the rib plates, so that the lubricant in the second groove 22 is prevented from permeating into the feeding motor 50, and the oil-proof effect of the feeding motor 50 is improved.
Referring to fig. 2 and 3, the feeding driving mechanism includes a feeding motor 50 and a feeding shaft 51, the feeding shaft 51 is in transmission connection with an output shaft of the feeding motor 50, an included angle is formed between the extending direction of the feeding shaft 51 and the extending direction of the output shaft of the feeding motor 50, and the feeding shaft 51 is also in transmission connection with the feed lifting teeth frame 60.
Illustratively, the feed motor 50 and the feed shaft 51 are both located between the oil pan 20 and the floor 10. In this embodiment, the extending direction of the feeding shaft 51 is perpendicular to the extending direction of the output shaft of the feeding motor 50, so that the feeding motor 50 can be adaptively placed in the first groove 21, and the oil-proof effect of the feeding motor 50 is improved. The extending direction of the output shaft of the feeding motor 50 is the same as the extending direction of the first groove 21, so that the occupied space of the feeding motor 50 and the first groove 21 in the accommodating groove is reduced. In this embodiment, the output shaft of the feeding motor 50 reciprocates at a certain angle to drive the feeding shaft 51 to reciprocate at a certain angle, so that the feeding shaft 51 drives one end of the feed lifting rack 60 to move.
Of course, the angle between the extending direction of the feeding shaft 51 and the extending direction of the output shaft of the feeding motor 50 may be other angles, such as 60 °, 30 °, and so on.
The sewing machine further includes a mounting bracket 501, the feeding motor 50 is fixed on the base plate 10 through the mounting bracket 501, and the mounting bracket 501 is disposed in the second groove 22. Illustratively, one end of the mounting bracket 501 facing away from the second groove 22 is provided with a fixing hole, the bottom plate 10 is provided with a threaded hole, and a fastener such as a bolt is inserted into the fixing hole and the threaded hole, so that the mounting bracket 501 is fixed on the bottom plate 10.
Referring to fig. 3, the sewing machine further includes a feeding connecting rod 53, a feeding crank 52 and a connecting shaft, wherein one end of the feeding crank 52 is sleeved on the output shaft of the feeding motor 50, and the other end of the feeding crank 52 is hinged to the feeding connecting rod 53; the other end of the feeding connecting rod 53 is hinged with the connecting shaft ball, and the other end of the connecting shaft is inserted in the feeding shaft 51. In this embodiment, when the output shaft of the feeding motor 50 rotates reciprocally at a certain angle, the other end of the feeding crank 52 is driven to perform reciprocating arc motion, so that the feeding crank 52 drives one end of the feeding connecting rod 53 away from the feeding crank 52 to perform reciprocating motion in the vertical direction, one end of the connecting shaft follows the feeding connecting rod 53 to perform reciprocating motion in the vertical direction, and the other end of the connecting shaft drives the feeding shaft 51 to perform reciprocating rotation at a certain angle.
In this embodiment, one end of the connecting shaft hinged to the feeding link 53 has a spherical surface, and the feeding link 53 has a spherical groove matched with the spherical surface. Through the cooperation of the spherical surface and the spherical groove, when one end of the feeding connecting rod 53, which is far away from the feeding crank 52, reciprocates in the vertical direction, the spherical surface of the connecting shaft rotates in the spherical groove, so that one end of the spherical surface of the connecting shaft moves in a reciprocating manner in the vertical direction along with the feeding connecting rod 53. Of course, in some other embodiments, one end of the connecting shaft has a spherical recess following the reciprocating movement of the feed link 53 in the vertical direction, and the feed link 53 has a spherical surface engaged with the spherical recess. Similarly, when the end of the feeding link 53 away from the feeding crank 52 reciprocates in the vertical direction by the cooperation of the spherical surface and the spherical groove, the spherical groove of the connecting shaft rotates relative to the spherical surface, so that the end of the spherical groove of the connecting shaft reciprocates in the vertical direction along with the feeding link 53.
In this embodiment, a feed shaft 51 is provided with a feed lifting rock crank 502 at an end thereof facing away from the feed motor 50, and the feed lifting rock crank 502 is further hinged to an end of the feed lifting rock rack 60. When the feeding motor 50 drives the feeding shaft 51 to rotate back and forth at a certain angle, one end of the feed lifting crank 502 departing from the feeding shaft 51 makes a reciprocating arc motion, so that the feed lifting crank 502 drives the feed lifting rack 60 to move along the extending direction of the feed lifting crank.
Referring to fig. 3, the feed lifting driving mechanism includes a main transmission motor 40 and a first transmission shaft 45, the first transmission shaft 45 is in transmission connection with an output shaft of the main transmission motor 40, and the first transmission shaft 45 is also in transmission connection with the other end of the feed lifting frame 60. So that the main transmission motor 40 drives the first transmission shaft 45 to rotate, and the first transmission shaft 45 drives the other end of the feed lifting rack 60 to move. The sewing machine further comprises a third transmission shaft 41 and an adapter rod 42, an output shaft of the main transmission motor 40 is in transmission connection with the third transmission shaft 41, an eccentric wheel 401 is arranged on the third transmission shaft 41, the eccentric wheel 401 is in fastening connection with the adapter rod 42, and one end of the adapter rod 42, which is far away from the eccentric wheel 401, is hinged with the first transmission shaft 45. A feed dog fork 402 is connected to an end of the first transmission shaft 45 remote from the adapter rod 42. Illustratively, the extension directions of the output shaft of the main transmission motor 40, the third transmission shaft 41 and the first transmission shaft 45 are all parallel to each other, and the extension direction of the adapter rod 42 is perpendicular to the extension direction of the output shaft of the main transmission motor 40. Correspondingly, one end of the feed lifting rock rack 60, which is far away from the feed lifting rock crank 502, is provided with a feed lifting rock column 601, the feed lifting rock column 601 is arranged in the feed lifting rock fork 402 in a penetrating manner, and the feed lifting rock fork 402 is rotatably connected with the feed lifting rock column 601. When the main transmission motor 40 rotates in a reciprocating manner at a certain angle, the first transmission shaft 45 is driven to rotate in a reciprocating manner at a certain angle through the adapter rod 42, so that the first transmission shaft 45 drives the feed lifting fork 402 to rotate, and the feed lifting shaft moves in a reciprocating manner along the vertical direction along with the feed lifting fork 402.
As shown in fig. 2 and 3, the feed dog 61 is arranged on the feed dog 60, and one end of the feed dog 61, which faces away from the feed dog 60, is provided with a plurality of saw teeth. One end of the feed lifting rack 60 is controlled to reciprocate along the vertical direction by the feed lifting driving mechanism, and the other end of the feed lifting rack 60 is controlled to move along the extending direction of the feed lifting rack 60 by the feed driving mechanism, so that the feed dog 61 actually realizes feed motion along a similar elliptical track.
The embodiment of the invention provides a sewing machine, which comprises an oil pan 20, a bottom plate 10, a feeding driving mechanism and a lifting tooth driving structure, wherein the oil pan 20 is provided with an accommodating groove, a partition plate 201 is arranged on the oil pan 20, and the accommodating groove is divided into a first groove 21 and a second groove 22 by the partition plate 201; the bottom plate 10 is provided with rib plates corresponding to the separation plate 201, the bottom plate 10 is hermetically connected with the oil pan 20 and the separation plate 201 with the rib plates, and a lubricant is contained in the second groove 22; the feeding driving mechanism comprises a feeding motor 50 and a feeding shaft 51, the feeding motor 50 is positioned in the first groove 21, the feeding shaft 51 is in transmission connection with an output shaft of the feeding motor 50, a certain included angle is formed between the extending direction of the feeding shaft 51 and the extending direction of the output shaft of the feeding motor 50, and the feeding shaft 51 is also in transmission connection with the feed lifting rack 60; the feed lifting driving mechanism comprises a main transmission motor 40 and a first transmission shaft 45, the first transmission shaft 45 is in transmission connection with an output shaft of the main transmission motor 40, and the first transmission shaft 45 is also in transmission connection with the other end of the feed lifting rack 60. According to the embodiment of the invention, the feeding motor 50 drives the feeding shaft 51 to rotate, so that the feeding shaft 51 drives one end of the feed lifting rack 60 to move, the main transmission motor 40 drives the first transmission shaft 45 to rotate, so that the first transmission shaft 45 drives the other end of the feed lifting rack 60 to move, and different motors drive two ends of the feed lifting rack 60 to move, so that the feed lifting amount of the feed lifting rack 60 can be adjusted, and the feeding track can be changed to adapt to different feeding requirements.
Referring to fig. 2 and 3, the sewing machine further includes a second transmission shaft 46 in transmission connection with the main transmission motor 40, and the second transmission shaft 46 is also in transmission connection with a movable trimming blade 47 of the sewing machine. Illustratively, the movable thread-cutting blade 47 is located at the lower end of the feed lifting frame 60, and the main transmission motor 40 can drive the second transmission shaft 46 to rotate, so that the second transmission shaft 46 drives the scissors of the movable thread-cutting blade 47 to rotate, so that the rotating scissors cut off the sewing thread. The structure of the movable trimming blade 47 in the embodiment of the present invention may refer to the structure of the movable trimming blade 47 disclosed in the related art, and the embodiment is not particularly limited herein.
The sewing machine further comprises an intermediate transmission shaft 43, a first driving gear is arranged on the third transmission shaft 41, a first driven gear meshed with the first driving gear is arranged at one end of the intermediate transmission shaft 43, a second driving gear is arranged at the other end of the intermediate transmission shaft 43, and a second driven gear meshed with the second driving gear is arranged on the second transmission shaft 46, so that the second transmission shaft 46 is in transmission connection with the main transmission motor 40 through the third transmission shaft 41 and the intermediate transmission shaft 43. Illustratively, the direction of extension of the output shaft of the final drive motor 40 is parallel to the direction of extension of the secondary drive shaft 46, and the direction of extension of the intermediate drive shaft 43 is perpendicular to the direction of extension of the output shaft of the final drive motor 40. When the main driving motor 40 rotates reciprocally at a certain angle, the second driving gear and the second driven gear drive the second driving shaft 46 to rotate reciprocally at a certain angle through the first driving gear and the first driven gear, so as to drive the thread cutting movable knife 47 to cut the sewing thread.
The second driving gear and the second driven gear form a gear driving part 44, and the gear driving part 44 is located between the bottom plate 10 and the oil pan 20 and is immersed in the lubricant in the second groove 22, so that the gear driving part 44 can dissipate heat, thereby improving the heat dissipation performance of the sewing machine and prolonging the service life of the sewing machine.
The sewing machine further comprises a needle bar frame 70, the needle bar frame 70 is in transmission connection with one end, away from the main transmission motor 40, of the third transmission shaft 41, the sewing needle is installed on the needle bar frame 70, and the main transmission motor 40 drives the sewing needle to move in the vertical direction. Illustratively, the extension direction of the needle bar frame 70 is perpendicular to the extension direction of the third transmission shaft 41, and the sewing needle is opposite to the feed dog 61 on the feed dog frame 60, so that the needle bar frame 70 sews the cloth on the feed dog frame 60. The structure of the needle bar holder 70 in the embodiment of the present invention may refer to the structure of the needle bar holder 70 disclosed in the related art, and the embodiment is not particularly limited herein.
For example, the bottom plate 10 and the oil pan 20 may be hermetically connected by a sealing strip, and/or the partition plate 201 and the rib plate may be hermetically connected by a sealing strip. Referring to fig. 5, a plurality of baffles 202 may be disposed on the sidewalls of the first groove 21 and the second groove 22, and the baffles 202 protrude from the sidewalls of the first groove 21 and the second groove 22; the side wall edges of the first and second grooves 21 and 22 are provided with blocking edges 203. The sealing strips for connecting the bottom plate 10 and the oil pan 20 can be arranged in the space between the blocking edge 203 and the baffle 202, and the blocking edge 203 and the baffle 202 can limit the sealing strips, so that the sealing strips are prevented from moving, and the sealing effect between the bottom plate 10 and the oil pan 20 is improved. The sealing strip connecting the partition plate 201 and the rib plate can also be arranged in a space between the baffle 202 located in the first groove 21 and the baffle 202 located in the second groove 22, and the baffle 202 located in the first groove 21 and the baffle 202 located in the second groove 22 can limit the sealing strip, so that the sealing strip is prevented from moving, and the sealing effect between the partition plate 201 and the rib plate is improved.
Of course, other sealing connections of the floor 10 and the oil pan 20, the divider 201 and the ribs may be used. For example, in some other embodiments, the floor 10 and the oil pan 20 may be bonded together using a sealing adhesive, and/or the divider 201 and the rib may be bonded together using a sealing adhesive.
In this embodiment, the rib plate may be provided with a first mounting hole (not shown in the figure), and the first mounting hole is used for the first transmission shaft 45 of the sewing machine to penetrate through and is connected with the first transmission shaft 45 in a sealing manner. For example, the first mounting hole and the first transmission shaft 45 may be sealed by a mechanical seal, which is beneficial to prevent the lubricant in the second groove 22 from leaking out of the first mounting hole. The mechanical seal may adopt a structure disclosed in the related art, and this embodiment does not limit this. In some other embodiments, the first mounting hole and the first transmission shaft 45 may be sealed together by means of a dynamic seal.
In this embodiment, the rib plate may further be provided with a second mounting hole (not shown in the figure), and the second mounting hole is used for the second transmission shaft 46 of the sewing machine to penetrate through and is connected with the second transmission shaft 46 in a sealing manner. For example, the second mounting hole and the second drive shaft 46 may be sealed by a mechanical seal to prevent lubricant in the second groove 22 from leaking out of the second mounting hole. The mechanical seal may adopt a structure disclosed in the related art, and this embodiment does not limit this. In some other embodiments, the second mounting hole and the second transmission shaft 46 may be sealed together by means of a dynamic seal.
In the description of the embodiments of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the embodiments of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A sewing machine, comprising:
the oil pan is provided with an accommodating groove, and a partition plate is arranged on the oil pan and divides the accommodating groove into a first groove and a second groove;
the bottom plate is provided with a rib plate corresponding to the separation plate, the bottom plate is hermetically connected with the oil pan and the separation plate is hermetically connected with the rib plate, and a lubricant is contained in the second groove;
the feeding driving mechanism comprises a feeding motor and a feeding shaft, the feeding motor is positioned in the first groove, the feeding shaft is in transmission connection with an output shaft of the feeding motor, a certain included angle is formed between the extension direction of the feeding shaft and the extension direction of the output shaft of the feeding motor, and the feeding shaft is also in transmission connection with the feed lifting rack;
the tooth lifting driving mechanism comprises a main transmission motor and a first transmission shaft, the first transmission shaft is in transmission connection with an output shaft of the main transmission motor, and the first transmission shaft is also in transmission connection with the other end of the tooth lifting frame.
2. The sewing machine according to claim 1, comprising a feeding connecting rod, a feeding crank and a connecting shaft, wherein one end of the feeding crank is sleeved on an output shaft of the feeding motor, and the other end of the feeding crank is hinged with the feeding connecting rod; the other end of the feeding connecting rod is hinged with the connecting shaft ball, and the other end of the connecting shaft is inserted in the feeding shaft.
3. The sewing machine of claim 1, wherein the feed shaft extends in a direction perpendicular to an extension direction of an output shaft of the feed motor.
4. The sewing machine of claim 1, further comprising a mounting bracket through which the feed motor is secured to the bed plate, the mounting bracket being disposed within the second recess.
5. Sewing machine as in any of claims 1 to 4,
the bottom plate is connected with the oil pan in a sealing mode through sealing strips, a plurality of baffle plates are arranged on the side walls of the first groove and the second groove, and the baffle plates protrude out of the side walls of the first groove and the second groove; blocking edges are arranged on the side wall edges of the first groove and the second groove, and the sealing strip for connecting the bottom plate and the oil pan is arranged in a space between the blocking edges and the baffle;
and/or the partition plate and the rib plate are connected in a sealing manner through the sealing strip, and the sealing strip for connecting the partition plate and the rib plate is arranged in a space between the baffle plate positioned in the first groove and the baffle plate positioned in the second groove.
6. The sewing machine of any of claims 1-4, further comprising a first drive shaft in driving connection with a main drive motor, the first drive shaft further in driving connection with a feed lifting dog frame of the sewing machine; the rib plate is provided with a first mounting hole, and the first transmission shaft penetrates through the first mounting hole and is connected with the first mounting hole in a sealing mode.
7. The sewing machine according to any one of claims 1-4, wherein the sewing machine comprises a second transmission shaft in transmission connection with the main transmission motor, and the second transmission shaft is also in transmission connection with a thread cutting movable blade of the sewing machine; the rib plate is provided with a second mounting hole, and the second transmission shaft penetrates into the second mounting hole and is connected with the second mounting hole in a sealing mode.
8. The sewing machine of claim 7, further comprising a third transmission shaft and an intermediate transmission shaft, wherein the third transmission shaft is in transmission connection with an output shaft of the main transmission motor, the third transmission shaft is provided with a first driving gear, one end of the intermediate transmission shaft is provided with a first driven gear engaged with the first driving gear, the other end of the intermediate transmission shaft is provided with a second driving gear, and the second transmission shaft is provided with a second driven gear engaged with the second driving gear, so that the second transmission shaft is in transmission connection with the main transmission motor through the third transmission shaft and the intermediate transmission shaft.
9. The sewing machine of claim 8, wherein the second drive gear and the second driven gear comprise a gear drive located between the floor and an oil pan and submerged within the lubricant of the second groove.
10. The sewing machine of claim 8, further comprising a needle bar frame, wherein the needle bar frame is in transmission connection with one end of the third transmission shaft, which is far away from the main transmission motor, a sewing needle is installed on the needle bar frame, and the main transmission motor drives the sewing needle to move in a vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210652736.1A CN114934357A (en) | 2022-06-10 | 2022-06-10 | Sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210652736.1A CN114934357A (en) | 2022-06-10 | 2022-06-10 | Sewing machine |
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| CN114934357A true CN114934357A (en) | 2022-08-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210652736.1A Withdrawn CN114934357A (en) | 2022-06-10 | 2022-06-10 | Sewing machine |
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| CN (1) | CN114934357A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1966801A (en) * | 2005-11-18 | 2007-05-23 | 兄弟工业株式会社 | Sewing machine |
| CN105113152A (en) * | 2015-09-30 | 2015-12-02 | 杰克缝纫机股份有限公司 | Sewing machine |
| WO2016167308A1 (en) * | 2015-04-15 | 2016-10-20 | ヤマトミシン製造株式会社 | Sewing machine |
| CN108625049A (en) * | 2017-03-20 | 2018-10-09 | 杰克缝纫机股份有限公司 | The lift tooth material feeding driving mechanism and sewing machine of sewing machine |
| CN210886511U (en) * | 2019-09-18 | 2020-06-30 | 浙江杜马缝纫机股份有限公司 | Sewing machine with novel chassis structure |
| WO2021057216A1 (en) * | 2019-09-24 | 2021-04-01 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN112981736A (en) * | 2019-12-17 | 2021-06-18 | 杰克缝纫机股份有限公司 | Sewing machine |
| WO2021184646A1 (en) * | 2020-03-19 | 2021-09-23 | 杰克缝纫机股份有限公司 | Feed lifting rock shaft assembly and sewing machine provided with feed lifting rock shaft assembly |
| CN215051204U (en) * | 2021-04-26 | 2021-12-07 | 杰克缝纫机股份有限公司 | Oil supply mechanism of sewing machine and sewing machine |
-
2022
- 2022-06-10 CN CN202210652736.1A patent/CN114934357A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1966801A (en) * | 2005-11-18 | 2007-05-23 | 兄弟工业株式会社 | Sewing machine |
| WO2016167308A1 (en) * | 2015-04-15 | 2016-10-20 | ヤマトミシン製造株式会社 | Sewing machine |
| CN105113152A (en) * | 2015-09-30 | 2015-12-02 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN108625049A (en) * | 2017-03-20 | 2018-10-09 | 杰克缝纫机股份有限公司 | The lift tooth material feeding driving mechanism and sewing machine of sewing machine |
| CN210886511U (en) * | 2019-09-18 | 2020-06-30 | 浙江杜马缝纫机股份有限公司 | Sewing machine with novel chassis structure |
| WO2021057216A1 (en) * | 2019-09-24 | 2021-04-01 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN112981736A (en) * | 2019-12-17 | 2021-06-18 | 杰克缝纫机股份有限公司 | Sewing machine |
| WO2021184646A1 (en) * | 2020-03-19 | 2021-09-23 | 杰克缝纫机股份有限公司 | Feed lifting rock shaft assembly and sewing machine provided with feed lifting rock shaft assembly |
| CN215051204U (en) * | 2021-04-26 | 2021-12-07 | 杰克缝纫机股份有限公司 | Oil supply mechanism of sewing machine and sewing machine |
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Application publication date: 20220823 |