CN213925306U - Lever type forward and backward feeding mechanism for sewing machine - Google Patents
Lever type forward and backward feeding mechanism for sewing machine Download PDFInfo
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- CN213925306U CN213925306U CN202022550494.4U CN202022550494U CN213925306U CN 213925306 U CN213925306 U CN 213925306U CN 202022550494 U CN202022550494 U CN 202022550494U CN 213925306 U CN213925306 U CN 213925306U
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Abstract
The utility model discloses a sewing machine lever type reversible feeding mechanism, which comprises a base plate, wherein an electromagnet is fixedly arranged at the upper end of the base plate, a magnet block is fixedly arranged at the bottom of a rocker, the electromagnet is arranged corresponding to the magnet block, a spring is fixedly arranged at the upper end of the base plate, the upper end of the spring is fixedly connected with the bottom of the rocker, and the electromagnet and the spring are respectively arranged at two sides of a supporting rod; a first gear is fixedly sleeved on the third rotating rod, a second gear is sleeved on the fourth rotating rod, and the first gear is meshed with the second gear; the first material guide wheel and the second material guide wheel are arranged on two sides of the supporting rod. The utility model discloses make first guide wheel or second guide wheel, carry out not equidirectional rotation do work respectively to the supplied materials, realized the purpose of nimble switching cisoid pay-off and the mode of feeding to the back to the electro-magnet is fast with magnet piece effect switching speed, simple structure.
Description
Technical Field
The utility model relates to a dress processing equipment technical field specifically is a sewing machine lever is in the same direction as feeding mechanism.
Background
Sewing machines are machines for making garments, including various machines, such as flat sewing machines, three-, four-and five-thread machines, and also machines for more specific applications, in which one or more sewing threads are used to form one or more stitches in a material to be sewn, to interweave or sew one or more layers of material; with the development of science and technology, the feeding assembly arranged on the sewing machine is also continuously improved.
The lower feeding mechanism of the existing roller feeding needle vehicle is mainly indirectly driven by a spindle motor, the spindle motor is connected to a lower shaft through a coupler and then drives the lower feeding mechanism by the lower shaft, the power source of the existing roller feeding needle vehicle is mainly the spindle motor as a unique driving element, and the adjustment of the parameters of the lower feeding mechanism is realized by changing the output characteristics of the spindle motor through a complete machine control system; most of the driving modes can not flexibly switch the forward feeding mode and the backward feeding mode, which brings great inconvenience to users, and therefore, a lever type backward and forward feeding mechanism of a sewing machine needs to be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sewing machine lever is in same direction as feeding mechanism backward, can switch the mode of cisoid pay-off and backward pay-off in a flexible way, and switching speed is fast, simple structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a lever type forward and backward feeding mechanism of a sewing machine comprises a base plate, wherein two groups of material clamping mechanisms are symmetrically arranged at the upper end of the base plate, supporting rods are fixedly arranged at the upper end of the base plate, two groups of supporting rods are arranged, a wane is rotatably arranged between the two groups of supporting rods and is positioned between the two groups of material clamping mechanisms;
an electromagnet is fixedly mounted at the upper end of the base plate, a magnet block is fixedly mounted at the bottom of the rocker plate, the electromagnet and the magnet block are arranged correspondingly, a spring is fixedly mounted at the upper end of the base plate, the upper end of the spring is fixedly connected with the bottom of the rocker plate, and the electromagnet and the spring are respectively arranged on two sides of the supporting rod;
a first rotating rod, a second rotating rod, a third rotating rod and a fourth rotating rod are rotatably mounted at the upper end of the rocker plate, the first rotating rod and the third rotating rod are in transmission through a conveyor belt, the second rotating rod and the fourth rotating rod are in transmission through the conveyor belt, a first gear is fixedly sleeved on the third rotating rod, a second gear is sleeved on the fourth rotating rod, and the first gear is meshed with the second gear;
a first material guide wheel is sleeved on the first rotating rod, a second material guide wheel is sleeved on the second rotating rod, and the first material guide wheel and the second material guide wheel are arranged on two sides of the supporting rod;
the wane upper end fixed mounting has the motor, the one end of motor output shaft and the one end fixed connection of third dwang.
Preferably, the material clamping mechanism comprises two groups of positioning rods, the two groups of positioning rods are symmetrically arranged at the upper end of the base plate, the two groups of roller shafts are connected to the positioning rods in a rotating mode, and a gap is formed between the two groups of roller shafts.
Preferably, rocker upper end fixed mounting has two sets of risers, first pivot pole rotates and installs between two sets of risers, first guide wheel cup joints on first pivot pole, still cup jointed first synchronizing wheel on the first pivot pole.
Preferably, wane upper end fixed mounting has two sets of second risers, the second dwang rotates and installs between two sets of second risers, the second guide wheel cup joints on the second dwang, still cup jointed the second synchronizing wheel on the second dwang.
Preferably, rocker upper end fixed mounting has two sets of third risers, motor fixed mounting is in one of them a set of on the third riser, the one end of motor output shaft and the one end fixed connection of third dwang, the other end of third dwang is rotated and is installed on another set of third riser, still cup jointed the third synchronizing wheel on the third dwang, first synchronizing wheel passes through the conveyer belt transmission with the third synchronizing wheel.
Preferably, the fourth dwang rotates and installs between two sets of third risers, still cup jointed the fourth synchronizing wheel on the second dwang, the second synchronizing wheel passes through the conveyer belt transmission with the fourth synchronizing wheel.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model connects the first guide wheel and drives the first gear to rotate through the motor transmission, the second guide wheel is connected through the second gear transmission, and the first gear is meshed with the second gear, so that the first guide wheel and the second guide wheel rotate in opposite directions; the installation wane is rotated to one end through the bracing piece, and the design of rethread electromagnet and spring makes the start-up of electro-magnet stop can control wherein one end perk of wane to make first guide wheel or second guide wheel, carry out not equidirectional rotation do work respectively to the supplied materials, realized the purpose of nimble switching cisoid pay-off and the mode of retrograde pay-off, and electro-magnet and magnet piece effect switching speed are fast, simple structure.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the motor of the present invention;
fig. 3 is a schematic structural diagram of the material clamping mechanism of the present invention.
In the figure: 1. a substrate; 2. positioning a rod; 3. a roll shaft; 4. a support bar; 5. a seesaw; 6. an electromagnet; 7. a magnet block; 8. a spring; 9. a first material guide wheel; 10. a second material guide wheel; 11. a third vertical plate; 12. a third rotating rod; 13. a motor; 14. a third synchronizing wheel; 15. a first rotating lever; 16. a first vertical plate; 17. a first synchronizing wheel; 18. a second vertical plate; 19. a second synchronizing wheel; 20. a second rotating lever; 21. a fourth rotating rod; 22. a second gear; 23. a fourth synchronizing wheel; 24. a first gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a sewing machine lever is in same direction as feeding mechanism, includes base plate 1, its characterized in that: two groups of material clamping mechanisms are symmetrically arranged at the upper end of the base plate 1, the upper end of the base plate 1 is fixedly provided with two groups of supporting rods 4, a wane 5 is rotatably arranged between the two groups of supporting rods 4, and the wane 5 is positioned between the two groups of material clamping mechanisms;
an electromagnet 6 is fixedly installed at the upper end of the base plate 1, a magnet block 7 is fixedly installed at the bottom of the rocker 5, the electromagnet 6 and the magnet block 7 are arranged correspondingly, a spring 8 is fixedly installed at the upper end of the base plate 1, the upper end of the spring 8 is fixedly connected with the bottom of the rocker 5, and the electromagnet 6 and the spring 8 are respectively arranged at two sides of the supporting rod 4;
through the corresponding setting of electro-magnet 6 and magnet piece 7, start electro-magnet 6 and can make the perk of one end of wane 5, close electro-magnet 6 back, make the perk of the other end of wane 5 through the effect of spring 8 to make first guide wheel 9 or second guide wheel 10, do work to the rotation of cloth different directions respectively.
A first material guide wheel 9 is sleeved on the first rotating rod 15, a second material guide wheel 10 is sleeved on the second rotating rod 20, and the first material guide wheel 9 and the second material guide wheel 10 are arranged on two sides of the support rod 4;
a motor 13 is fixedly mounted at the upper end of the rocker 5, and one end of an output shaft of the motor 13 is fixedly connected with one end of the third rotating rod 12.
The first material guide wheel 9 and the second material guide wheel 10 are driven to rotate by the motor 13, so that the cloth is respectively rotated in different directions to do work, and automation is realized.
Press from both sides material mechanism and include two sets of locating levers 2, two sets of locating levers 2 symmetry installation in the upper end of base plate 1, and the rotation is connected with two sets of roller 3 on the locating lever 2, is provided with the clearance between two sets of roller 3.
Two sets of first risers 16 are fixedly installed at the upper end of the wane 5, the first rotating rod 15 is rotatably installed between the two sets of first risers 16, the first guide wheel 9 is sleeved on the first rotating rod 15, and the first rotating rod 15 is further sleeved with the first synchronizing wheel 17.
Two sets of second risers 18 are fixedly mounted at the upper end of the wane 5, the second rotating rod 20 is rotatably mounted between the two sets of second risers 18, the second guide wheel 10 is sleeved on the second rotating rod 20, and the second synchronizing wheel 19 is further sleeved on the second rotating rod 20.
Two sets of third risers 11 of 5 upper ends fixed mounting of wane, motor 13 fixed mounting is on one of them set of third riser 11, the one end of motor 13 output shaft and the one end fixed connection of third dwang 12, the other end of third dwang 12 rotates and installs on another set of third riser 11, still cup jointed third synchronizing wheel 14 on the third dwang 12, first synchronizing wheel 17 passes through the conveyer belt transmission with third synchronizing wheel 14, the fixed first gear that has cup jointed 24 on the third dwang 12.
The fourth dwang 21 rotates and installs between two sets of third risers 11, has still cup jointed the fourth synchronizing wheel 23 on the second dwang 20, and second synchronizing wheel 19 passes through the conveyer belt transmission with fourth synchronizing wheel 23, has cup jointed second gear 22 on the fourth dwang 21, and first gear 24 and second gear 22 mesh.
The working principle is as follows: when the cloth feeding mechanism is used, cloth to be processed passes through the gap between the two groups of material clamping mechanisms, so that the cloth is positioned above the first material guide wheel 9 and the second material guide wheel 10, the motor 13 is started at the moment, the first material guide wheel 9 is connected through the transmission of the motor 13 and drives the first gear 24 to rotate, the second gear 22 is connected with the second material guide wheel 10 in a transmission manner, the first gear 24 is meshed with the second gear 22, the first material guide wheel 9 and the second material guide wheel 10 rotate in opposite directions, the stop electromagnet 6 can be started at the moment and can control one end of the warping plate 5 to tilt, the first material guide wheel 9 or the second material guide wheel 10 can do work on incoming materials by rotating in different directions respectively, and the purpose of flexibly switching modes of forward feeding and backward feeding is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a sewing machine lever is in same direction as feeding mechanism, includes base plate (1), its characterized in that: two groups of material clamping mechanisms are symmetrically arranged at the upper end of the base plate (1), supporting rods (4) are fixedly arranged at the upper end of the base plate (1), two groups of supporting rods (4) are arranged, a wane (5) is rotatably arranged between the two groups of supporting rods (4), and the wane (5) is positioned between the two groups of material clamping mechanisms;
an electromagnet (6) is fixedly mounted at the upper end of the base plate (1), a magnet block (7) is fixedly mounted at the bottom of the rocker plate (5), the electromagnet (6) and the magnet block (7) are arranged correspondingly, a spring (8) is fixedly mounted at the upper end of the base plate (1), the upper end of the spring (8) is fixedly connected with the bottom of the rocker plate (5), and the electromagnet (6) and the spring (8) are respectively arranged on two sides of the supporting rod (4);
the upper end of the rocker (5) is rotatably provided with a first rotating rod (15), a second rotating rod (20), a third rotating rod (12) and a fourth rotating rod (21), the first rotating rod (15) and the third rotating rod (12) are in transmission through a conveyor belt, the second rotating rod (20) and the fourth rotating rod (21) are in transmission through the conveyor belt, the third rotating rod (12) is fixedly sleeved with a first gear (24), the fourth rotating rod (21) is sleeved with a second gear (22), and the first gear (24) is meshed with the second gear (22);
a first material guide wheel (9) is sleeved on the first rotating rod (15), a second material guide wheel (10) is sleeved on the second rotating rod (20), and the first material guide wheel (9) and the second material guide wheel (10) are arranged on two sides of the supporting rod (4);
the rocker (5) upper end fixed mounting has motor (13), the one end of motor (13) output shaft and the one end fixed connection of third dwang (12).
2. The sewing machine lever type feed mechanism of claim 1, wherein: the material clamping mechanism comprises two groups of positioning rods (2), the two groups of positioning rods (2) are symmetrically arranged at the upper end of the base plate (1), the two groups of roller shafts (3) are connected to the positioning rods (2) in a rotating mode, and gaps are formed between the two groups of roller shafts (3).
3. The sewing machine lever type feed mechanism of claim 1, wherein: wane (5) upper end fixed mounting has two sets of risers (16), first pivot pole (15) are rotated and are installed between two sets of risers (16), first guide wheel (9) cup joint on first pivot pole (15), still cup jointed first synchronizing wheel (17) on first pivot pole (15).
4. The sewing machine lever type feed mechanism of claim 1, wherein: two sets of second risers (18) are installed to wane (5) upper end fixed mounting, second dwang (20) are rotated and are installed between two sets of second risers (18), second guide wheel (10) cup joint on second dwang (20), second synchronizing wheel (19) have still been cup jointed on second dwang (20).
5. A sewing machine lever type feed mechanism as claimed in claim 3, wherein: wane (5) upper end fixed mounting has two sets of third risers (11), motor (13) fixed mounting is wherein a set of on third riser (11), the one end of motor (13) output shaft and the one end fixed connection of third dwang (12), the other end of third dwang (12) is rotated and is installed on another set of third riser (11), third synchronizing wheel (14) have still been cup jointed on third dwang (12), first synchronizing wheel (17) pass through the conveyer belt transmission with third synchronizing wheel (14).
6. The sewing machine lever type reversible feeding mechanism as claimed in claim 4, wherein: fourth dwang (21) are rotated and are installed between two sets of third risers (11), fourth synchronizing wheel (23) have still been cup jointed on second dwang (20), second synchronizing wheel (19) pass through the conveyer belt transmission with fourth synchronizing wheel (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022550494.4U CN213925306U (en) | 2020-11-06 | 2020-11-06 | Lever type forward and backward feeding mechanism for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022550494.4U CN213925306U (en) | 2020-11-06 | 2020-11-06 | Lever type forward and backward feeding mechanism for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213925306U true CN213925306U (en) | 2021-08-10 |
Family
ID=77166564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022550494.4U Active CN213925306U (en) | 2020-11-06 | 2020-11-06 | Lever type forward and backward feeding mechanism for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213925306U (en) |
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2020
- 2020-11-06 CN CN202022550494.4U patent/CN213925306U/en active Active
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