360-degree downward feeding side seat mechanism

Abstract

The utility model relates to the technical field of sewing machines, and discloses a 360-degree downward feeding side seat mechanism which comprises a base fixed on a sewing machine and a side seat main body rotationally installed on the base, and a rotating shuttle transmission mechanism and a feeding transmission mechanism are respectively installed on the side seat main body. The side seat main body comprises an upper cantilever and a lower cantilever which are arranged in parallel, and a stand column connected between the upper cantilever and the lower cantilever; the rotating shuttle transmission mechanism comprises a gear shaft rotationally arranged on the base and a vertical shaft outer pipe rotationally arranged in the stand column, when the axe seat is operated, the axe seat is fixed, the side seat body rotates by 360 degrees along with the axe seat, and sewing at any angle of 360 degrees is achieved; a feeding transmission mechanism is upgraded, the problems that a lower feeding mechanism of an existing sewing machine is difficult to feed soft materials and poor in sewing effect on cylindrical objects and other objects with special shapes are solved, and the lower feeding mechanism is particularly suitable for sewing boots, satchels, shoe materials and other objects.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing machines, in particular to a 360-degree bottom feeding side seat mechanism. Background Art

[0002] A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the sewing material, so that one or more layers of sewing material are interwoven or sewn together.

[0003] After searching, patent application number CN202021465850.6 discloses a special hemming and sewing transmission structure for zigzag sewing machines, including a lower machine base, a presser foot assembly, and a rotary hook seat. A cloth feed shaft is installed in the lower machine base, and the cloth feed shaft is connected to the feeding structure. A lifting rod subshaft is installed in the lower machine base, and the lifting rod subshaft is connected to the lifting and pressing structure. A needle plate is installed on the rotary hook seat, and a feed dog is installed on the needle plate. The feed dog cooperates with the presser foot assembly. This utility model solves the problem of hemming caused by the large presser foot of existing sewing machines, and improves the feeding speed and work efficiency during hemming.

[0004] The current sewing machine is difficult to achieve 360-degree rotation when sewing, and the lower feeding mechanism of the sewing machine is difficult to feed soft materials. For items with special shapes such as cylindrical objects, the sewing effect is poor. Therefore, we need to propose a 360° lower feeding side seat mechanism. Utility Model Content

[0005] The purpose of the present utility model is to provide a 360° feeding side seat mechanism, in which the rotation of the stepping shaft tube drives the rotation of the gear shaft tube, and the gear shaft tube drives the vertical shaft inner tube to rotate through the positioning gear 1, the flat gear set 3, and the positioning gear 2, and the vertical shaft inner tube drives the positioning gear 3 to rotate. When the axe seat is fixed and the axe seat and the positioning gear 3 are engaged with the flat gear set 2, the axe seat is stationary and the side seat body follows and rotates 360°, that is, 360° arbitrary angle sewing is achieved; the stepping motor drives the stepping shaft tube to rotate through the engagement of the small gear and the large gear, and the stepping shaft tube drives the vertical shaft to rotate through the synchronous wheel 2A, the synchronous wheel 1B and the narrow synchronous belt 2, and the vertical shaft drives the feeding gear to rotate, and then the flat gear is rotated through the flat gear set 1, and the flat gear drives the warp wheel to rotate, thereby realizing the transmission of materials, so as to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions: a 360° bottom feed side seat mechanism, comprising a base fixed to a sewing machine, a side seat body rotatably mounted on the base, a rotary hook transmission mechanism and a feed transmission mechanism respectively mounted on the side seat body, the side seat body comprising an upper cantilever and a lower cantilever arranged in parallel, and a column connected between the upper cantilever and the lower cantilever;

[0007] The rotary hook transmission mechanism includes a gear shaft rotatably mounted on the base and a vertical shaft outer tube rotatably mounted in the column. A synchronous wheel A is sleeved on the outer wall of the gear shaft. Synchronous wheels B and three are sleeved on the outer walls of the vertical shaft outer tube, respectively. Synchronous wheels A and B are connected by a wide synchronous belt. Synchronous wheel four is rotatably mounted inside the upper cantilever. Synchronous wheels three and four are connected by a narrow synchronous belt. An axe shaft is also mounted in the upper cantilever and plugged into the inner ring of synchronous wheel four. The rotary hook is mounted on the axe shaft.

[0008] The feeding transmission mechanism includes a vertical shaft inserted into the outer tube of the vertical shaft, a feeding gear is sleeved on the upper end of the outer wall of the vertical shaft, a flat gear set and a flat gear are rotatably provided in the upper cantilever, and the flat gear set is meshed with the feeding gear, a warp feed seat is also installed in the upper cantilever, and a warp feed wheel meshed with the flat gear is rotatably installed on the warp feed seat.

[0009] Preferably, a turntable is mounted on the base via round nuts, the side seat body is fixed to the turntable via bolts, bearings are embedded in the top and bottom of the base, and the turntable is plugged into the inner ring of the bearing.

[0010] Preferably, the feeding transmission mechanism also includes a stepper motor installed inside the sewing machine, one end of the output shaft of the stepper motor is connected to a small gear, the inner ring of the turntable is plugged with a stepper shaft tube, and the lower end of the outer wall of the stepper shaft tube is sleeved with a large gear that meshes with the small gear.

[0011] Preferably, a second synchronous wheel A is sleeved on the upper end of the outer wall of the stepping shaft tube, and a first synchronous wheel B is sleeved on the outer wall of the vertical shaft outer tube. The second synchronous wheel A and the first synchronous wheel B are connected through a second narrow synchronous belt.

[0012] Preferably, a vertical shaft inner tube is inserted into the interior of the vertical shaft outer tube, the vertical shaft is inserted into the interior of the vertical shaft inner tube, and a positioning gear three is sleeved on the outer wall of the vertical shaft inner tube.

[0013] Preferably, a gear shaft tube is inserted into the interior of the stepping shaft tube, a positioning gear 1 is sleeved on the upper end of the outer wall of the gear shaft tube, a positioning gear 2 is also sleeved on the outer wall of the vertical shaft outer tube, and a flat gear set 3 is provided for rotation inside the lower cantilever, and the positioning gear 1 and positioning gear 2 are both engaged with the flat gear set 3.

[0014] Preferably, a flat plate gear set 2 meshing with the positioning gear 3 is rotatably provided inside the upper cantilever, and an axe seat meshing with the flat plate gear set 2 is fixedly provided inside the upper cantilever.

[0015] Preferably, a flat warp feeding pressure plate which is sleeved on the outer wall of the axe seat is installed inside the upper cantilever, one end of the flat warp feeding pressure plate is connected to a flat gear pressure plate, the bottom of the upper cantilever is installed with an axe shaft lower sleeve plate and an upper wall lower cover plate, the lower end of the axe shaft passes through the axe shaft lower sleeve plate and is sleeved with the axe shaft lower sleeve, and the upper end of the outer wall of the axe shaft is sleeved with the axe shaft upper sleeve fixed inside the upper cantilever.

[0016] Preferably, a bobbin core and a bobbin case covering the bobbin core are installed inside the rotary hook, a needle plate is fixed to the top of the axe seat by bolts, and a large axe cover rotatably connected to the needle plate is also installed on the top of the axe seat, the warp feed seat is fixed to one side of the axe seat by bolts, and a warp feed pressure plate is installed on the warp feed wheel.

[0017] Preferably, the gear shaft upper cover and the lower wall cover plate are mounted on the lower cantilever by bolts.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. The rotation of the stepping shaft tube of the utility model drives the rotation of the gear shaft tube, which drives the vertical shaft inner tube to rotate through the positioning gear 1, the flat gear set 3, and the positioning gear 2. The vertical shaft inner tube drives the positioning gear 3 to rotate. When the axe seat is fixed and the axe seat and the positioning gear 3 are engaged with the flat gear set 2, the axe seat remains stationary and the side seat body rotates 360° accordingly, thus realizing 360° arbitrary angle sewing of items.

[0020] 2. The utility model upgrades the feeding transmission mechanism. The stepping motor drives the stepping shaft tube to rotate through the meshing of the small gear and the large gear. The stepping shaft tube drives the vertical shaft to rotate through the synchronous wheel 2A, the synchronous wheel 1B and the narrow synchronous belt 2. The vertical shaft drives the feeding gear to rotate, and then the flat gear group 1 rotates the flat gear, and the flat gear drives the warp wheel to rotate to realize the transmission of materials. It solves the problem that the lower feeding mechanism of the current sewing machine is difficult to realize the feeding of soft materials, and the sewing effect is poor for items with special shapes such as cylindrical objects. It is particularly suitable for sewing items such as boots, shoulder bags, and shoes. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is an exploded view of the utility model;

[0022] Figure 2 This is an exploded view of the side seat body, flat plate gear set 1, and flat plate gear set 2 of the present invention;

[0023] Figure 3 This is a structural diagram of the vertical shaft, vertical shaft inner tube and vertical shaft outer tube of the utility model;

[0024] Figure 4 This is a schematic structural diagram of a narrow synchronous belt 1, a narrow synchronous belt 2 and a wide synchronous belt of the utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the gear shaft, stepper shaft tube and gear shaft tube of the utility model;

[0026] Figure 6 This is a structural diagram of the base, stepping motor, rotary hook gear set and chassis of the utility model.

[0027] In the figure: 1. Gear shaft; 2. Stepper shaft tube; 4. Large gear; 5. Gear shaft tube; 6. Stepper motor; 8. Small gear; 9. Rotary hook gear set; 12. Fixed seat; 14. Round nut; 16. Turntable; 20. Vertical shaft lower cover; 22. Synchronous wheel 1A; 221. Synchronous wheel 1B; 23. Synchronous wheel 2A; 231. Synchronous wheel 2B; 24. Vertical shaft; 25. Feed gear; 26. Positioning gear 1; 261. Positioning gear 2; 262. Positioning gear 3; 27. Vertical shaft inner tube; 28. Vertical shaft outer tube; 30. Synchronous wheel 3; 31. Plate gear set 1; 32. Plate gear set 2; 33. Plate gear set 3; 34. 6. Axe seat; 37. Let-off plate; 38. Let-off wheel; 39. Let-off seat; 42. Needle plate; 44. Flat gear; 45. Axe shaft upper sleeve; 46. Axe shaft; 47. Rotating hook; 49. Bobbin; 50. Bobbin case; 51. Large axe cover; 52. Flat let-off plate; 53. Flat gear pressure plate; 54. Narrow timing belt 1; 541. Narrow timing belt 2; 55. Synchronous wheel 4; 56. Axe shaft lower sleeve; 57. Axe shaft lower sleeve; 58. Upper wall lower cover; 59. Gear shaft upper cover; 61. Lower wall cover; 62. Wide timing belt; 63. Side seat body; 631. Upper cantilever; 632. Column; 633. Lower cantilever; 64. Base. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] See also Figure 1-6 The utility model provides a technical solution: a 360° bottom feeding side seat mechanism, comprising a base 64 fixed to a sewing machine, a side seat body 63 rotatably mounted on the base 64, a rotary hook transmission mechanism and a feed transmission mechanism respectively mounted on the side seat body 63, the side seat body 63 comprising an upper cantilever 631 and a lower cantilever 633 arranged in parallel, and a column 632 connected between the upper cantilever 631 and the lower cantilever 633;

[0030] A turntable 16 is mounted on the base 64 via a round nut 14 , and the side seat body 63 is fixed to the turntable 16 via bolts. Bearings are embedded in the top and bottom of the base 64 , and the turntable 16 is plugged into the inner ring of the bearing.

[0031] The bottom of the side seat body 63 is fixed with a vertical shaft lower cover 20 by bolts.

[0032] The rotary hook transmission mechanism includes a gear shaft 1 rotatably mounted on a base 64 and a vertical shaft outer tube 28 rotatably mounted within a column 632. A synchronous pulley A22 is sleeved onto the outer wall of the gear shaft 1. Synchronous pulleys B231 and B231 are sleeved onto their outer walls, respectively. Synchronous pulleys A22 and B231 are connected via a wide timing belt 62. A synchronous pulley 55 is rotatably mounted within the upper cantilever 631. Synchronous pulleys 30 and 55 are connected via a narrow timing belt 54. Also mounted within the upper cantilever 631 is an axe shaft 46, which is inserted into the inner ring of synchronous pulley 55. A rotary hook 47 is mounted on axe shaft 46.

[0033] The rotation of the stepping shaft tube 2 drives the gear shaft 1, the synchronous wheel A22, the synchronous wheel B231, and the wide synchronous belt 62 to rotate, and the vertical shaft outer tube 28 and the synchronous wheel 30 rotate. The synchronous wheel 30 drives the synchronous wheel 4 55 to rotate under the transmission of the narrow synchronous belt 1 54, and the synchronous wheel 4 55 drives the axe shaft 46 and the rotary hook 47 to rotate, realizing the transmission of the rotary hook 47.

[0034] The feeding transmission mechanism includes a vertical shaft 24 inserted into the vertical shaft outer tube 28, and a feeding gear 25 is sleeved on the upper end of the outer wall of the vertical shaft 24. A flat gear set 31 and a flat gear 44 that are engaged with each other are rotatably provided in the upper cantilever 631, and the flat gear set 31 is engaged with the feeding gear 25. A warp feed seat 39 is also installed in the upper cantilever 631, and a warp feed wheel 38 that is engaged with the flat gear 44 is rotatably installed on the warp feed seat 39.

[0035] The stepper motor 6 drives the stepper shaft tube 2 to rotate through the meshing of the small gear 8 and the large gear 4. The stepper shaft tube 2 drives the vertical shaft 24 to rotate through the synchronous wheel 2 A23, the synchronous wheel 1 B221 and the narrow synchronous belt 2 541. The vertical shaft 24 drives the feeding gear 25 to rotate, and then drives the flat gear 44 through the flat gear set 1 31. The flat gear 44 drives the warp wheel 38 to rotate to realize the transmission of materials.

[0036] The feeding transmission mechanism also includes a stepper motor 6 installed inside the sewing machine. One end of the output shaft of the stepper motor 6 is connected to a small gear 8. The inner ring of the turntable 16 is plugged with a stepper shaft tube 2. The lower end of the outer wall of the stepper shaft tube 2 is sleeved with a large gear 4 that meshes with the small gear 8.

[0037] The upper end of the outer wall of the stepping shaft tube 2 is sleeved with a second synchronous wheel A23, and the outer wall of the vertical shaft outer tube 28 is also sleeved with a first synchronous wheel B221. The second synchronous wheel A23 and the first synchronous wheel B221 are connected by a narrow second synchronous belt 541.

[0038] The vertical shaft inner tube 27 is inserted into the interior of the vertical shaft outer tube 28 , the vertical shaft 24 is inserted into the interior of the vertical shaft inner tube 27 , and a positioning gear 3 262 is sleeved on the outer wall of the vertical shaft inner tube 27 .

[0039] The gear shaft tube 5 is inserted into the interior of the stepping shaft tube 2, and the upper end of the outer wall of the gear shaft tube 5 is sleeved with a positioning gear 26. The outer wall of the vertical shaft outer tube 28 is also sleeved with a positioning gear 2 261. The interior of the lower cantilever 633 is provided with a flat gear set 33 for rotation, and the positioning gear 1 26 and the positioning gear 2 261 are both engaged with the flat gear set 33.

[0040] The upper cantilever 631 is internally provided with a flat plate gear set 2 32 meshing with the positioning gear 3 262, and the upper cantilever 631 is internally fixed with an axe seat 36 meshing with the flat plate gear set 2 32. The lower end of the side of the axe seat 36 is provided with teeth meshing with the flat plate gear set 2 32.

[0041] The flat plate gear set 1 31 , the flat plate gear set 2 32 , and the flat plate gear set 33 all include a plurality of flat plate gears arranged in a straight line and meshing with each other. The flat plate gear set 1 31 is located above the flat plate gear set 2 32 .

[0042] The interior of the upper cantilever 631 is equipped with a flat warp feeding pressure plate 52 which is sleeved on the outer wall of the axe seat 36. One end of the flat warp feeding pressure plate 52 is connected to the flat gear pressure plate 53. The bottom of the upper cantilever 631 is equipped with an axe shaft lower sleeve plate 56 and an upper wall lower cover plate 58. The lower end of the axe shaft 46 passes through the axe shaft lower sleeve plate 56 and is sleeved with the axe shaft lower sleeve 57. The upper end of the outer wall of the axe shaft 46 is sleeved with the axe shaft upper sleeve 45 fixed to the interior of the upper cantilever 631.

[0043] The interior of the rotary hook 47 is equipped with a bobbin core 49 and a bobbin case 50 covering the bobbin core 49. The top of the axe seat 36 is fixed with a needle plate 42 by bolts. The top of the axe seat 36 is also equipped with a large axe cover 51 rotatably connected to the needle plate 42. The warp feed seat 39 is fixed to one side of the axe seat 36 by bolts, and the warp feed pressure plate 37 is installed on the warp feed wheel 38.

[0044] The gear shaft upper cover 59 and the lower wall cover plate 61 are mounted on the lower cantilever 633 by bolts.

[0045] A fixing seat 12 is installed below the base 64 by bolts and gaskets. A hook gear set 9 for driving the hook 47 to rotate is also installed inside the sewing machine, located below the fixing seat 12. The hook gear set 9 includes a meshing small bevel gear and a large bevel gear. The bottom of the gear shaft 1 is inserted into the inner ring of the small bevel gear, and the inner ring of the large bevel gear is inserted with the output shaft of the drive motor (not shown in the figure).

[0046] During use, the stepper motor 6 drives the stepper shaft tube 2 to rotate through the meshing of the small gear 8 and the large gear 4. The stepper shaft tube 2 drives the vertical shaft 24 to rotate through the synchronous wheel A23, the synchronous wheel B221 and the narrow synchronous belt 541. The vertical shaft 24 drives the feeding gear 25 to rotate, and then drives the flat gear 44 through the flat gear set 31. The flat gear 44 drives the warp feed wheel 38 to rotate to realize the transmission of materials.

[0047] The gear shaft 1, synchronous wheel 1 A22, synchronous wheel 2 B231, and wide synchronous belt 62 are driven to rotate by the rotary hook gear set 9, and the vertical shaft outer tube 28 and synchronous wheel 30 are rotated. The synchronous wheel 30 drives the synchronous wheel 4 55 to rotate under the transmission of the narrow synchronous belt 1 54, and the synchronous wheel 4 55 drives the axe shaft 46 and the rotary hook 47 to rotate, thereby realizing the transmission of the rotary hook 47.

[0048] The rotation of the stepping shaft tube 2 drives the gear shaft tube 5 to rotate, and the gear shaft tube 5 drives the vertical shaft inner tube 27 to rotate through the positioning gear 1 26, the flat gear set 33, and the positioning gear 2 261. The vertical shaft inner tube 27 drives the positioning gear 3 262 to rotate. When the axe seat 36 is fixed and the axe seat 36 and the positioning gear 3 262 are engaged with the flat gear set 2 32, the axe seat 36 is stationary, and the side seat body 63 follows and rotates 360°, that is, 360° sewing at any angle is achieved.

[0049] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A 360° bottom feeding side seat mechanism, comprising a base (64) fixed on a sewing machine, and a side seat body (63) rotatably mounted on the base (64), characterized in that: The side seat body (63) is respectively equipped with a rotary shuttle transmission mechanism and a feeding transmission mechanism. The side seat body (63) includes an upper cantilever (631) and a lower cantilever (633) arranged in parallel, and a column (632) connected between the upper cantilever (631) and the lower cantilever (633). The rotary shuttle transmission mechanism includes a gear shaft (1) rotatably mounted on a base (64), and a vertical shaft outer tube (28) rotatably mounted in a column (632). The outer wall of the gear shaft (1) is sleeved with a synchronous wheel A (22). The outer walls of the vertical shaft outer tube (28) are sleeved with synchronous wheels B (231) and three (30). The synchronous wheels A (22) and B (231) are connected to each other via a wide synchronous belt (62). The upper cantilever (631) is internally rotatably mounted with a synchronous wheel four (55). The synchronous wheel three (30) and the synchronous wheel four (55) are connected to each other via a narrow synchronous belt one (54). The upper cantilever (631) is further provided with an axe shaft (46) inserted into the inner ring of the synchronous wheel four (55). The axe shaft (46) is provided with a rotary shuttle (47). The feeding transmission mechanism includes a vertical shaft (24) inserted into the interior of the vertical shaft outer tube (28), a feeding gear (25) is sleeved on the upper end of the outer wall of the vertical shaft (24), a flat plate gear set (31) and a flat gear (44) are rotatably provided in the upper cantilever (631), and the flat plate gear set (31) is meshed with the feeding gear (25), and a warp feed seat (39) is also installed in the upper cantilever (631), and a warp feed wheel (38) meshed with the flat gear (44) is rotatably installed on the warp feed seat (39).

2. The 360° bottom feeding side seat mechanism according to claim 1, characterized in that: A turntable (16) is mounted on the base (64) via a round nut (14), and the side seat body (63) is fixed to the turntable (16) via bolts. Bearings are embedded in the top and bottom of the base (64), and the turntable (16) is plugged into the inner ring of the bearing.

3. The 360° bottom feeding side seat mechanism according to claim 2, characterized in that: The feeding transmission mechanism further comprises a stepping motor (6) installed inside the sewing machine, one end of the output shaft of the stepping motor (6) is connected to a small gear (8), the inner ring of the turntable (16) is plugged with a stepping shaft tube (2), and the lower end of the outer wall of the stepping shaft tube (2) is sleeved with a large gear (4) meshing with the small gear (8).

4. The 360° bottom feeding side seat mechanism according to claim 3, characterized in that: The upper end of the outer wall of the stepping shaft tube (2) is sleeved with a synchronous wheel 2 A (23), and the outer wall of the vertical shaft outer tube (28) is also sleeved with a synchronous wheel 1 B (221). The synchronous wheel 2 A (23) and the synchronous wheel 1 B (221) are connected to each other through a narrow synchronous belt 2 (541).

5. The 360° bottom feeding side seat mechanism according to claim 4, characterized in that: The vertical shaft inner tube (27) is inserted into the interior of the vertical shaft outer tube (28), the vertical shaft (24) is inserted into the interior of the vertical shaft inner tube (27), and a positioning gear three (262) is sleeved on the outer wall of the vertical shaft inner tube (27).

6. The 360° bottom feeding side seat mechanism according to claim 5, characterized in that: The gear shaft tube (5) is inserted into the interior of the stepping shaft tube (2), and the upper end of the outer wall of the gear shaft tube (5) is sleeved with a positioning gear 1 (26), and the outer wall of the vertical shaft outer tube (28) is also sleeved with a positioning gear 2 (261), and the interior of the lower cantilever (633) is rotatably provided with a flat gear set 3 (33), and the positioning gear 1 (26) and the positioning gear 2 (261) are both engaged with the flat gear set 3 (33).

7. The 360° bottom feeding side seat mechanism according to claim 6, characterized in that: The upper cantilever (631) is internally provided with a rotatable flat gear set 2 (32) meshing with the positioning gear 3 (262), and the upper cantilever (631) is internally provided with an axe seat (36) meshing with the flat gear set 2 (32).

8. The 360° bottom feeding side seat mechanism according to claim 7, characterized in that: A plane warp feeding pressing plate (52) sleeved on the outer wall of the axe seat (36) is installed inside the upper cantilever (631), and one end of the plane warp feeding pressing plate (52) is connected to a flat gear pressing plate (53). An axe shaft lower sleeve plate (56) and an upper wall lower cover plate (58) are installed at the bottom of the upper cantilever (631). The lower end of the axe shaft (46) passes through the axe shaft lower sleeve plate (56) and is sleeved on the axe shaft lower sleeve (57). The upper end of the outer wall of the axe shaft (46) is sleeved on the axe shaft upper sleeve (45) fixed inside the upper cantilever (631).

9. The 360° bottom feeding side seat mechanism according to claim 8, characterized in that: A bobbin core (49) and a bobbin case (50) covering the bobbin core (49) are installed inside the rotary hook (47); a needle plate (42) is fixed to the top of the axe seat (36) by bolts; a large axe cover (51) rotatably connected to the needle plate (42) is also installed on the top of the axe seat (36); the warp feed seat (39) is fixed to one side of the axe seat (36) by bolts; and a warp feed pressing plate (37) is installed on the warp feed wheel (38).

10. The 360° bottom feeding side seat mechanism according to claim 1, characterized in that: The gear shaft upper cover (59) and the lower wall cover plate (61) are mounted on the lower cantilever (633) via bolts.

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