CN220224566U

CN220224566U - 360-degree rotatable needle car shuttle driving mechanism

Info

Publication number: CN220224566U
Application number: CN202321720210.9U
Authority: CN
Inventors: 柏在勇
Original assignee: Dongguan Zhechuan Intelligent Machinery Technology Co ltd
Current assignee: Dongguan Zhechuan Intelligent Machinery Technology Co ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-12-22
Anticipated expiration: 2033-07-03

Abstract

The utility model discloses a 360-degree rotatable needle car shuttle driving mechanism, and belongs to the technical field of sewing machines. A 360 degree rotatable needle car shuttle drive mechanism comprising: the driving device comprises a base, wherein a driving rod is rotationally connected in the base, a driven wheel and a driving gear are sequentially arranged on the outer side of the driving rod in the axial direction, the driving gear is connected with the driven gear through gear meshing, and a reciprocating driving assembly is arranged on the inner side of the driven gear in the axial direction; in the utility model, the reciprocating rotating wheel is restrained in the convex groove to periodically rotate, compared with the traditional rotating mechanism, the reciprocating rotating wheel has a more stable transmission effect, the continuous transmission under the lasting transmission is ensured, the transmission pull rod drives the rotating shaft rod to follow the reciprocating rotation through the sector gear after rotating, and further, the transmission structure for stable reciprocating rotation is provided for the upper rotating shuttle through the transmission among the first driving belt, the core rod and the second driving belt, the running stability of the rotating shuttle is enhanced, and the sewing processing quality of equipment is improved.

Description

360-degree rotatable needle car shuttle driving mechanism

Technical Field

The utility model relates to the technical field of sewing machines, in particular to a 360-degree rotatable needle car shuttle driving mechanism.

Background

The needle machine is used as an important component of sewing machines and other equipment, and is widely applied to various hand bags, clothes, textiles, leather products, bags, shoes, belts, sports and leisure equipment and other sewing patterns.

The sewing machine is a special machine for industrial sewing, the working process can be regarded as the penetration of needles and threads, and a suture thread is created on continuously moving cloth, so that a precise sewing process is realized, and the production efficiency and the sewing quality are improved.

It is found through research and analysis that in the rotatable needle vehicle in the prior art, a core driving component for driving the shuttle to reciprocate is generally composed of a gear and a rack, and the structure has poor stability in the long-term reciprocation driving process of the shuttle and is unfavorable for the stable swinging of the shuttle under high-strength operation, so that the defects and defects of the prior art are needed to be improved.

Disclosure of Invention

The utility model aims to solve the problems that in a rotatable needle car in the prior art, a core driving part for driving a shuttle to swing back and forth is usually composed of a gear and a rack, and the structure is poor in stability in the long-term reciprocating driving process of the shuttle and is not beneficial to stable swinging of the shuttle under high-strength operation.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a 360 degree rotatable needle car shuttle drive mechanism comprising: the base, base upper portion is provided with circumference carousel, U type swing arm and rotatory shuttle, the bottom of base is provided with the actuating lever, the power take off end and the driven gear of actuating lever are connected, the driven gear lower part is provided with reciprocating drive subassembly only, reciprocating drive subassembly's one end is provided with the sector gear, the sector gear outside is connected with reciprocating gear through gear engagement, reciprocating gear's axial inboard is provided with the rotation axostylus axostyle, the rotation axostylus axostyle top is connected with interior sleeve pole rotation through first actuating belt, the inside of interior sleeve pole is provided with the core bar through the bearing is fixed, through gear drive second actuating belt when interior sleeve pole rotates, be connected with drive gear train II when second actuating gear engagement is connected with rotatory shuttle for rotatory shuttle swing realizes corotation and reversal action.

Further, the axial outside of rotation axostylus axostyle is provided with the axle sleeve, rotation axostylus axostyle top is higher than the axle sleeve, the axle sleeve top is realized the transmission with interior sleeve bottom through first rotation belt and is connected, the core bar is located interior sleeve's axial inboard, the core bar top is higher than interior sleeve, be connected with drive gear group two through the second rotation belt transmission on the interior sleeve, the base upside is connected with U type swing arm through circumference carousel rotation, first drive belt, first rotation belt, interior sleeve, core bar, second drive belt, second rotation belt, drive gear group one, drive gear group two, rotatory shuttle are installed in proper order in U type swing arm.

Further, a rotating rod is arranged on the driving device, a driving main wheel and a driving wheel are sequentially arranged on the outer axial side of the rotating rod, the outer axial side of the driving wheel is connected with a transmission belt, and the outer axial side of the driving main wheel is connected with an electric motor through a belt.

The whole needle position of being installed in sewing machine upper portion of drive arrangement, in the use, be connected the electric motor who connects on the drive arrangement with external power source, utilize the dead lever that the belt drive is connected on the drive main wheel after starting electric motor to rotate, drive the transmission belt of interlock on the action wheel after the dead lever rotates and carry out the transmission, provide power for the reciprocal drive assembly of installation in the base.

Further, the upper end of the reciprocating rotating wheel is positioned between the inner wall of the convex groove and the outer edge of the cam and is positioned on the rotating path of the cam flange.

Further, the first transmission gear set and the second transmission gear set are mutually independent and are not in meshed transmission connection through gears, the first transmission gear set is connected to the core rod through a second driving belt in a transmission mode, and the first transmission gear set drives the shuttle cup sleeve to rotate through gears.

Further, the axial inner side of the circumferential turntable is rotatably connected to the upper side of the base by a turntable bearing.

Further, the sizes of the upper end face and the lower end face of the rotary shuttle are 18-19mm.

Compared with the prior art, the utility model provides a 360-degree rotatable needle car shuttle driving mechanism, which has the following beneficial effects:

in the utility model, the reciprocating rotating wheel is restrained in the convex groove to periodically rotate, compared with the traditional rotating mechanism, the reciprocating rotating wheel has a more stable transmission effect, the working continuity under the lasting transmission is ensured, the sector gear is driven to reciprocally rotate after the transmission pull rod rotates, and the rotating shaft rod connected with the inner side of the axial direction of the reciprocating gear can be driven to reciprocally rotate by the meshing of the gears in the reciprocating rotation process of the sector gear, so that a stable reciprocating rotation transmission structure is provided for the upper rotary shuttle through the transmission among the first driving belt, the core rod and the second driving belt, the running stability of the rotary shuttle is enhanced, and the sewing processing quality of equipment is improved;

2. the U-shaped swing arm can realize 360-degree rotation, so that the operation of the device is more convenient and flexible, the device is more convenient and more convenient to adjust in the production process, and meanwhile, the mechanism has compact design, simple structure and stable torsion movement, and is more superior to the existing driving mechanism which does not rotate by 360 degrees.

Drawings

FIG. 1 is a schematic diagram of a structure according to the present utility model;

FIG. 2 is a schematic view of the structure of the inner sleeve according to the present utility model;

FIG. 3 is a schematic view of a portion of a driving belt according to the present utility model;

FIG. 4 is an exploded view of the present utility model;

FIG. 5 is a schematic view of the portion A in FIG. 4 according to the present utility model;

FIG. 6 is a schematic diagram of a portion B of FIG. 4 according to the present utility model;

FIG. 7 is a schematic view of the structure of the portion C in FIG. 4 according to the present utility model;

FIG. 8 is a schematic diagram of the portion D of FIG. 4 according to the present utility model;

fig. 9 is a schematic diagram of a structure of a convex slot according to the present utility model.

Fig. 10 is a schematic view of thickness dimensions according to the present utility model.

Fig. 11 is an explosion view of the shuttle according to the present utility model shown in fig. 1.

Fig. 12 is an exploded view of fig. 2 of a shuttle according to the present utility model.

Fig. 13 is a cross-sectional view of a shuttle according to the present utility model.

In the figure: 1. a base; 2. a driving device; 21. driving a main wheel; 22. a rotating lever; 23. a driving wheel; 3. a drive belt; 4. a driving rod; 41. a driven wheel; 42. a drive gear; 5. a driven gear; 6. a reciprocating drive assembly; 61. passive vertical bars; 62. a cam; 63. a convex groove; 64. a mounting plate; 65. a transmission pull rod; 66. a reciprocating runner; 7. a sector gear; 8. a reciprocating gear; 9. rotating the shaft lever; 91. a rotating rod bearing; 92. a shaft sleeve; 10. a first drive belt; 11. a first rotating belt; 12. an inner loop bar; 13. a core bar; 14. a second drive belt; 15. a second rotating belt; 16. a first transmission gear set; 17. a second transmission gear set; 18. a circumferential turntable; 181. a turntable bearing; 19. u-shaped swing arms; 20. the rotary shuttle comprises a rotary shuttle body, a shuttle driving gear 21, an internal gear groove 22, a convex column 23 and a shuttle cup sleeve 24.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples

Referring to fig. 1-9, a 360 degree rotatable needle car shuttle drive mechanism comprising: the base 1, base 1 upper portion is provided with circumference carousel 18, U type swing arm 19 and rotatory shuttle 20, the bottom of base 1 is provided with actuating lever 4, actuating lever 4's power take off end is connected with driven gear 5, driven gear 5 lower part is provided with reciprocating drive subassembly 6 only, reciprocating drive subassembly 6's one end is provided with sector gear 7, the sector gear 7 outside is connected with reciprocating gear 8 through the gear engagement, reciprocating gear 8's axial inboard is provided with rotation axostylus axostyle 9, rotation axostylus axostyle 9 top is through first actuating belt 10 and interior sleeve pole 12 rotation connection, interior sleeve pole 12 is fixed through the bearing and is provided with core bar 13, during interior sleeve pole 12 rotation is through gear drive second rotary belt 15, be connected with drive gear group two 17 during the rotation of second rotary belt 15, be connected with rotatory shuttle 20 through drive gear group two 17 gear engagement for rotatory shuttle 20 swings, realizes forward rotation and reverse rotation, and the upper portion and lower part terminal surface size of rotatory shuttle 20 are 18-19mm.

The driving device 2 is provided with a rotating rod 22, the axial outer side of the rotating rod 22 is sequentially provided with a driving main wheel 21 and a driving wheel 23, the axial outer side of the driving wheel 23 is connected with a transmission belt 3, and the axial outer side of the driving main wheel 21 is connected with an electric motor through a belt;

as shown in fig. 1, the driving device 2 is integrally installed at the needle outlet position at the upper part of the sewing machine, in the use process, an electric motor connected to the driving device 2 is connected with an external power supply, after the electric motor is started, a rotating rod 22 connected to a driving main wheel 21 is driven by a belt to rotate, and after the rotating rod 22 rotates, a transmission belt 3 meshed with a driving wheel 23 is driven to transmit, so that power is provided for a reciprocating driving assembly 6 installed in the base 1.

The axial outer side of the shaft sleeve 92 is rotationally connected with a rotating rod bearing 91, and the rotating rod bearing 91 is provided with two groups of upper parts and lower parts which are respectively positioned on the axial outer side of the shaft sleeve 92;

the axially inner side of the circumferential turntable 18 is rotatably connected to the upper side of the base 1 by means of a turntable bearing 181.

The first transmission gear set 16 and the second transmission gear set 17 are mutually independent and are not in meshed transmission connection through gears, the first transmission gear set 16 is connected to the core rod 13 through the second driving belt 14 in a transmission mode, and the first transmission gear set 16 drives the shuttle cup sleeve 24 to rotate through gears.

The contact part of the axial outer side of the top end of the rotating shaft rod 9 and the axial outer side of the bottom end of the core rod 13 with the first driving belt 10, the contact part of the axial outer side of the top end of the shaft sleeve 92 and the axial outer side of the bottom end of the inner sleeve 12 with the first driving belt 11, the contact part of the axial outer side of the top end of the core rod 13 with the second driving belt 14 and the contact part of the axial outer side of the top end of the inner sleeve 12 with the second driving belt 15 are respectively provided with corresponding transmission gears for snap connection.

Working principle: the first driving mode, rotatable needle car shuttle driving mechanism, includes: the rotary swinging device comprises a base 1, wherein a circumferential turntable 18, a U-shaped swinging arm 19 and a rotary swinging shuttle 20 are arranged on the upper portion of the base 1, a swinging shuttle cup sleeve 24 is arranged outside the rotary swinging shuttle 20, a driving rod 4 is arranged at the bottom of the base 1, a power output end of the driving rod 4 is connected with a driven gear 5, a reciprocating driving assembly 6 is arranged on the lower portion of the driven gear 5, a sector gear 7 is arranged at one end of the reciprocating driving assembly 6, a reciprocating gear 8 is connected to the outer side of the sector gear 7 through gear engagement, a rotating shaft rod 9 is arranged on the inner side of the reciprocating gear 8 in the axial direction, the top end of the rotating shaft rod 9 is rotationally connected with an inner sleeve rod 12 through a first driving belt 10, a core rod 13 is fixedly arranged inside the inner sleeve 12 through a bearing, a second rotating belt 15 is driven through a gear when the inner sleeve 12 rotates, and a transmission gear set II 17 is connected to the second rotating belt 15 when the second rotating belt 15 rotates;

fig. 11-13 are views showing that the last shuttle driving gear 21 is driven by the second transmission gear set 17, an upwardly protruding gear inner groove 22 is arranged in the shuttle driving gear 21, a convex column 23 is arranged at the bottom of the rotary shuttle 20, the convex column 20 is connected with the gear inner groove 22 through a shuttle cup sleeve 24 penetrating through the lower part of the convex column 20, the convex column 20 is fixed with the gear inner groove 22 through screws, the rotary shuttle 20 is driven to rotate while the shuttle driving gear 21 rotates, the shuttle cup sleeve 24 is movably connected with the rotary shuttle 20 and the shuttle driving gear 21, and the shuttle cup sleeve 24 and the shuttle driving gear 21 work independently.

The second driving mode:

the U-shaped swing arm 19 is rotated to enable the first rotating belt 11 to contact the outer side of the axial direction of the top end of the shaft sleeve 92, the core rod 13 is arranged in the inner sleeve rod 12, the second driving belt 14 is connected with the first driving belt 14 through the outer side of the axial direction of the top end of the core rod 13, the first driving belt 14 is connected with the first driving gear set 16, the first driving gear set 16 is connected with the first shuttle cup 24, teeth are arranged outside the first shuttle cup 24 and are connected with the teeth of the first driving gear set 16, when the first driving gear set 16 rotates, the first shuttle cup 24 also rotates, when the first driving gear set 16 rotates, the first driving gear set 24 rotates independently, and the first driving gear set 20 is not driven to control the two groups of gears independently.

Examples

This embodiment differs from embodiment 1 in that:

the reciprocating driving assembly 6 is sequentially provided with a driven vertical rod 61, a convex groove 63 and a mounting disc 64 from top to bottom, the driven vertical rod 61 is arranged on the inner axial side of the driven gear 5, the bottom of the driven vertical rod 61 is fixedly connected with a cam 62, the cam 62 is positioned in the convex groove 63, the upper side of the mounting disc 64 is rotationally connected with a transmission pull rod 65, the upper side of the transmission pull rod 65 is provided with a reciprocating rotating wheel 66, and the upper end of the reciprocating rotating wheel 66 is positioned in the convex groove 63.

The upper end of the reciprocating runner 66 is located between the inner wall of the groove 63 and the outer edge of the cam 62 and is in the rotational path of the flange of the cam 62.

As shown in fig. 2-5, when the driving rod 4 drives the driving gear 42 to rotate, the driving gear 42 drives the driven gear 5 to rotate horizontally through the meshing between the gears, and the driven gear 5 drives the cam 62 to rotate in the convex groove 63 through the driven vertical rod 61 after rotating, because the reciprocating rotary wheel 66 is positioned on the rotating path of the cam 62, when the cam 62 rotates, the reciprocating rotary wheel 66 drives the transmission pull rod 65 to periodically rotate, the reciprocating rotary wheel 66 is restrained in the convex groove 63 to periodically rotate, compared with the traditional rotating mechanism, the driving mechanism has a more stable transmission effect, the working continuity under the lasting transmission is ensured, the driving pull rod 65 rotates and then drives the sector gear 7 to reciprocate, and the rotating shaft rod 9 connected with the inner side of the axial direction of the reciprocating gear 8 can be driven to reciprocate through the meshing between the gears in the reciprocating rotation process of the sector gear 7, so that the transmission between the first driving belt 10, the core rod 13 and the second driving belt 14 provides a stable reciprocating transmission structure for the rotating shuttle 20 at the upper part, and the stability of the operation of the rotating shuttle 20 is improved, and the sewing quality of equipment is improved.

Claims

1. A 360 degree rotatable needle car shuttle drive mechanism comprising: the base (1), base (1) upper portion is provided with circumference carousel (18), U type swing arm (19) and rotatory shuttle (20), and rotatory shuttle (20) outside is provided with shuttle glass cover (24), its characterized in that, the bottom of base (1) is provided with actuating lever (4), the power take off end and the driven gear (5) of actuating lever (4) are connected, driven gear (5) lower part only is provided with reciprocating drive subassembly (6), the one end of reciprocating drive subassembly (6) is provided with sector gear (7), sector gear (7) outside is connected with reciprocating gear (8) through gear engagement, the axial inboard of reciprocating gear (8) is provided with rotation axostylus axostyle (9), rotation axostylus axostyle (9) top is connected with interior sleeve (12) rotation through first actuating belt (10), the inside of interior sleeve (12) is provided with core bar (13) through the bearing is fixed, through gear drive second rotating belt (15) when second rotating, second rotating belt (15) rotates and is connected with two through gear drive transmission gear sets (17), makes rotatory shuttle (20) rotate and swing gear set (20) and make and swing and rotate.

2. The 360-degree rotatable needle car shuttle driving mechanism according to claim 1, wherein a driven wheel (41) and a driving gear (42) are sequentially arranged on the outer side of the axial direction of the driving rod (4), a driving device (2) is connected to the driven wheel (41) in a transmission manner through a transmission belt (3), the driving gear (42) is connected with a driven gear (5) through gear engagement, a driven vertical rod (61), a convex groove (63) and a mounting disc (64) are sequentially arranged on the reciprocating driving assembly (6) from top to bottom, the driven vertical rod (61) is arranged on the inner side of the driven gear (5) in the axial direction, a cam (62) is fixedly connected to the bottom of the driven vertical rod (61), the cam (62) is located in the convex groove (63), a transmission pull rod (65) is rotatably connected to the upper side of the mounting disc (64), and the upper end of the reciprocating pull rod (66) is located in the convex groove (63).

3. The 360-degree rotatable needle car shuttle driving mechanism according to claim 1, wherein a shaft sleeve (92) is arranged on the outer side of the axial direction of the rotating shaft rod (9), the top end of the rotating shaft rod (9) is higher than the shaft sleeve (92), the top end of the shaft sleeve (92) is in transmission connection with the bottom end of the inner sleeve (12) through a first rotating belt (11), the core rod (13) is positioned on the inner side of the inner sleeve (12), the top end of the core rod (13) is higher than the inner sleeve (12), a transmission gear set II (17) is in transmission connection with the inner sleeve (12) through a second rotating belt (15), a U-shaped swing arm (19) is in rotation connection with the upper side of the base (1) through a circumferential turntable (18), and the first driving belt (10), the first rotating belt (11), the inner sleeve (12), the core rod (13), a second driving belt (14), the second rotating belt (15), a transmission gear set II (17) and the rotating swing shuttle (20) are sequentially installed in the U-shaped swing arm (19).

4. The 360-degree rotatable needle car shuttle driving mechanism according to claim 2, wherein a rotating rod (22) is arranged on the driving device (2), a driving main wheel (21) and a driving wheel (23) are sequentially arranged on the outer axial side of the rotating rod (22), the outer axial side of the driving wheel (23) is connected with a transmission belt (3), and the outer axial side of the driving main wheel (21) is connected with an electric motor through a belt.

5. A 360 degree rotatable needle car shuttle drive as claimed in claim 2 wherein the upper end of the reciprocating runner (66) is located between the inner wall of the cam (62) and the outer edge of the cam (63) and in the path of rotation of the flange of the cam (62).

6. A 360 degree rotatable needle swing shuttle drive mechanism according to claim 3 wherein the axially outer side of the sleeve (92) is rotatably connected with a rotating rod bearing (91), the rotating rod bearing (91) being provided with two sets of upper and lower portions located axially outer side of the sleeve (92) respectively.

7. A 360 degree rotatable needle car shuttle drive according to claim 3, wherein the axially inner side of the circumferential turntable (18) is rotatably connected to the upper side of the base (1) by means of a turntable bearing (181).

8. A 360 degree rotatable needle car shuttle driving mechanism according to claim 3, wherein the first transmission gear set (16) and the second transmission gear set (17) are independent from each other and are not in meshed transmission connection through gears, the first transmission gear set (16) is in transmission connection with the core rod (13) through the second driving belt (14), and the first transmission gear set (16) drives the shuttle cup sleeve (24) to rotate through gears.

9. The 360-degree rotatable needle car shuttle driving mechanism according to claim 8, wherein the contact part of the axial outer side of the top end of the rotating shaft lever (9) and the axial outer side of the bottom end of the core bar (13) with the first driving belt (10), the contact part of the axial outer side of the top end of the shaft sleeve (92) and the axial outer side of the bottom end of the inner sleeve rod (12) with the first driving belt (11), the contact part of the axial outer side of the top end of the core bar (13) and the second driving belt (14) and the contact part of the axial outer side of the top end of the inner sleeve rod (12) with the second driving belt (15) are respectively provided with a corresponding transmission gear for snap connection.

10. A 360 degree rotatable needle car shuttle drive according to claim 8 wherein the upper and lower end surfaces of the rotary shuttle (20) are 18-19mm in size.