Automatic feeding device of sewing machine

Abstract

The utility model relates to the technical field of sewing machines, and discloses an automatic feeding device of a sewing machine, which comprises a sewing table, two first feeding plates and two second feeding plates are respectively arranged on two sides of the sewing table, and the two first feeding plates and the two second feeding plates are symmetrical to each other. Gears are rotatably connected to the interiors of the first feeding plate and the second feeding plate, a feeding belt is arranged outside the gears, a tooth block is fixedly connected to the inner side of the feeding belt, an extrusion layer is fixedly connected to the outer side of the feeding belt, first motors are fixedly mounted outside the first feeding plate and the second feeding plate, and the first motors are fixedly connected to the outer sides of the first feeding plate and the second feeding plate. The gear is fixedly connected to the output end of the first motor. The feeding device has the following advantages and effects that cloth in the gap between the first feeding plate and the second feeding plate can be fed, and in the feeding process, the feeding efficiency is high, the safety coefficient is high, and the automation degree is high.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing machines, in particular to an automatic feeding device of a sewing machine. Background Art

[0002] A sewing machine uses one or more threads to create one or more stitches on a material, interweaving or stitching one or more layers of material. Sewing machines can sew fabrics such as cotton, linen, silk, wool, and synthetic fibers, as well as products such as leather, plastic, and paper. The stitches they create are not only neat, beautiful, smooth, and strong, but they are also fast and easy to use.

[0003] When a sewing machine is sewing fabric, the fabric needs to be placed on the sewing table. During the sewing process, personnel need to manually push and pull the fabric to cause the fabric to move, so that different positions of the fabric can be sewn. This method of feeding fabric has low efficiency, low safety factor, and low degree of automation, and therefore needs to be improved. Utility Model Content

[0004] The utility model aims to provide an automatic feeding device for a sewing machine, which has the effect of automatically feeding cloth during the sewing process.

[0005] The above-mentioned technical objectives of the present utility model are achieved through the following technical solutions: an automatic feeding device of a sewing machine, comprising a sewing table, a first feed plate and a second feed plate are respectively provided on both sides of the sewing table, the number of the first feed plate and the second feed plate are both two, and the two first feed plates and the second feed plates are symmetrical to each other, the interiors of the first feed plate and the second feed plate are both rotatably connected to gears, the exteriors of the gears are provided with feed belts, the interiors of the feed belts are fixedly connected to tooth blocks, the exteriors of the feed belts are fixedly connected to extrusion layers, the exteriors of the first feed plate and the second feed plate are both fixedly installed with a first motor, the gears are fixedly connected to the output end of the first motor, the exterior of the sewing table is fixedly connected with a connecting plate, the exterior of the connecting plate is fixedly connected to the second motor, the output end of the second motor is fixedly installed with a coupling, a winding roller is movably installed inside the coupling, and the interior of the connecting plate is rotatably connected to a tensioning roller.

[0006] By adopting the above technical solution, each first feed plate and the second feed plate form a group, and each first feed plate and the second feed plate are symmetrical to each other, the cloth is hung inside the winding drum, the second motor is started, so that the second motor drives the winding drum to rotate, and thus the cloth can be unwound, and then the two sides of the cloth are respectively extended to the gap between the two groups of first feed plates and second feed plates, the material of the extrusion layer is rubber, and thus the cloth can be squeezed, the first motor is started, so that the first motor drives the gear to rotate, and the feed belt is engaged with the gear through the tooth block, so that the feed belt can be transmitted with the gear as the center, at this time, the cloth in the gap between the first feed plate and the second feed plate can be fed, and the feeding process has the effects of high feeding efficiency, high safety factor and high degree of automation.

[0007] The present invention is further configured as follows: a track is fixedly connected to the bottom of the sewing table, a third motor is fixedly installed on the outside of the track, and a threaded shaft is fixedly connected to the output end of the third motor.

[0008] By adopting the above technical solution, the track is set at the bottom of the sewing table, the threaded shaft is rotatably connected to the inside of the track, and the threaded shaft is driven to rotate by the third motor.

[0009] The present invention is further configured as follows: the threaded shaft extends to the interior of the track.

[0010] By adopting the above technical solution, a circular hole adapted to the threaded shaft is opened inside the track, a bearing is provided inside the circular hole, and the shaft end of the threaded shaft is rotatably connected to the inside of the bearing.

[0011] The present invention is further configured as follows: the external thread of the threaded shaft is connected to a sleeve, the inner bottom wall of the track is fixedly connected to a slide rail, and the sleeve is slidably connected to the inside of the slide rail.

[0012] By adopting the above technical solution, when the third motor drives the threaded shaft to rotate, the sleeve will be displaced outside the threaded shaft, the bottom of the sleeve will be limited in the slide rail and slidably connected to the inside of the slide rail, and the column will be fixed above the sleeve, so that the column and the sewing machine can be displaced at the edge of the sewing table. The sewing position can be adjusted through the displacement of the sewing machine, thereby improving the flexibility of the sewing process.

[0013] The present invention is further configured as follows: a column is fixedly connected to the top of the sleeve, and a sewing machine is fixedly connected to the top of the column.

[0014] By adopting the above technical solution, the column supports the sewing machine.

[0015] The present invention is further configured as follows: the outer sides of the first feeding plate and the second feeding plate are fixedly connected with mounting plates, and the inner threads of the mounting plates are connected with bolts.

[0016] By adopting the above technical solution, the first feeding plate and the second feeding plate are fixed to the outside of the sewing table through the mounting plate and the bolts, which not only has a good fixing effect but also is convenient for disassembly.

[0017] The present invention is further configured as follows: the number of the mounting plates is two, and the number of the bolts is four.

[0018] By adopting the above technical solution, the two mounting plates are symmetrical to each other, so that the two groups of first feeding plates and second feeding plates can be fixed. Four bolts are grouped in pairs, and each group of bolts is threadedly connected to the inside of each mounting plate.

[0019] The present invention is further configured as follows: the four bolts are distributed in a rectangular array, and the outsides of the four bolts are sleeved with anti-slip rings.

[0020] By adopting the above technical solution and providing the anti-slip ring, the friction force can be increased to prevent the bolt from falling off.

[0021] The present invention is further configured as follows: an anti-skid layer is fixedly connected to the outside of the extrusion layer, and anti-skid grooves are provided on the outside of the anti-skid layer.

[0022] By adopting the above technical solution and providing the anti-skid layer and the anti-skid pattern, the friction force can be increased to prevent the fabric from slipping.

[0023] The present invention is further configured as follows: an inner groove is provided on the inner side of the column, and an LED lamp is fixedly installed inside the inner groove.

[0024] By adopting the above technical solution, the LED light provides a lighting effect, allowing the staff to observe the sewing position.

[0025] The beneficial effects of the utility model are:

[0026] 1. The utility model is characterized in that, through the arrangement among the sewing table, the first feed plate, the second feed plate, the gear, the feed belt, the tooth block, the extrusion layer, the first motor, the connecting plate, the second motor, the coupling, the winding drum and the tensioning drum, the cloth is hung on the inside of the winding drum, the second motor drives the winding drum to rotate, thereby unwinding the cloth, and then extends the two sides of the cloth to the gap between the two groups of first feed plates and the second feed plates respectively. The material of the extrusion layer is rubber, thereby squeezing the cloth, the first motor drives the gear to rotate, and the feed belt meshes with the gear through the tooth block, thereby enabling the feed belt to be transmitted with the gear as the center. At this time, the cloth in the gap between the first feed plate and the second feed plate can be fed, and the feeding process has the effects of high feeding efficiency, high safety factor and high degree of automation.

[0027] 2. The utility model, through the arrangement among the track, the third motor, the threaded shaft, the sleeve, the slide rail, the column and the sewing machine, when the third motor drives the threaded shaft to rotate, the sleeve will be displaced outside the threaded shaft, the bottom of the sleeve is limited in the slide rail and slidably connected to the inside of the slide rail, and the column is fixed above the sleeve, so that the column and the sewing machine can be displaced at the edge of the sewing table. The sewing position can be adjusted through the displacement of the sewing machine, thereby improving the flexibility of the sewing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0029] Figure 1 This is a schematic diagram of the structure of the utility model;

[0030] Figure 2 This is a schematic diagram of the exploded structure of the first feeding plate and the second feeding plate of the utility model;

[0031] Figure 3 This is a side structural diagram of the feed belt of the utility model;

[0032] Figure 4 This is a schematic diagram of the internal structure of the track of the present utility model.

[0033] In the figure, 1. sewing table; 2. first feed plate; 3. second feed plate; 4. gear; 5. feed belt; 6. gear block; 7. extrusion layer; 8. first motor; 9. connecting plate; 10. second motor; 11. coupling; 12. winding drum; 13. tensioning drum; 14. track; 15. third motor; 16. threaded shaft; 17. sleeve; 18. slide rail; 19. column; 20. sewing machine; 21. mounting plate; 22. bolt; 23. LED light. DETAILED DESCRIPTION

[0034] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0035] Reference Figure 1-4, an automatic feeding device of a sewing machine, comprising a sewing table 1, a first feeding plate 2 and a second feeding plate 3 are respectively provided on both sides of the sewing table 1, the number of the first feeding plate 2 and the second feeding plate 3 are both two, and the two first feeding plates 2 and the second feeding plates 3 are symmetrical to each other, the inside of the first feeding plate 2 and the second feeding plate 3 are both rotatably connected with a gear 4, a feeding belt 5 is provided on the outside of the gear 4, the inner side of the feeding belt 5 is fixedly connected with a tooth block 6, and the outer side of the feeding belt 5 is fixedly connected with an extrusion layer 7, the outer sides of the first feeding plate 2 and the second feeding plate 3 are both fixedly installed with a first motor 8, the gear 4 is fixedly connected to the output end of the first motor 8, the outer side of the sewing table 1 is fixedly connected with a connecting plate 9, the outer side of the connecting plate 9 is fixedly connected with a second motor 10, the second motor 1 0 is fixedly installed with a coupling 11 at the output end, and a winding drum 12 is movably installed inside the coupling 11. The inner side of the connecting plate 9 is rotatably connected with a tensioning drum 13. Each first feeding plate 2 and the second feeding plate 3 are a group, and each first feeding plate 2 and the second feeding plate 3 are symmetrical to each other. The cloth is hung inside the winding drum 12, and the second motor 10 is started so that the second motor 10 drives the winding drum 12 to rotate, thereby unwinding the cloth, and then extends the two sides of the cloth to the gap between the two groups of first feeding plates 2 and second feeding plates 3 respectively. The material of the extrusion layer 7 is rubber, which can squeeze the cloth, and start the first motor 8 so that the first motor 8 drives the gear 4 to rotate, and the feeding belt 5 is connected with the gear 4 through the tooth block 6. The meshing is carried out so that the feeding belt 5 can be transmitted with the gear 4 as the center. At this time, the cloth in the gap between the first feeding plate 2 and the second feeding plate 3 can be fed, and the feeding process has the effects of high feeding efficiency, high safety factor and high degree of automation. The bottom of the sewing table 1 is fixedly connected with a track 14, and a third motor 15 is fixedly installed on the outside of the track 14. The output end of the third motor 15 is fixedly connected with a threaded shaft 16. The track 14 is set at the bottom of the sewing table 1, and the threaded shaft 16 is rotatably connected to the inside of the track 14. The threaded shaft 16 is driven to rotate by the third motor 15. The threaded shaft 16 extends to the inside of the track 14, and a circular hole adapted to the threaded shaft 16 is opened inside the track 14. A bearing is provided inside the circular hole. The shaft of the threaded shaft 16 The end is rotatably connected to the inside of the bearing, the external threaded shaft 16 is connected to the sleeve 17, the inner bottom wall of the track 14 is fixedly connected to the slide rail 18, and the sleeve 17 is slidably connected to the inside of the slide rail 18. When the third motor 15 drives the threaded shaft 16 to rotate, the sleeve 17 will be displaced on the outside of the threaded shaft 16, and the bottom of the sleeve 17 is limited in the slide rail 18 and slidably connected to the inside of the slide rail 18. The column 19 is fixed above the sleeve 17, so that the column 19 and the sewing machine 20 can be displaced at the edge of the sewing table 1. The sewing position can be adjusted by the displacement of the sewing machine 20 to improve the flexibility of the sewing process. The top of the sleeve 17 is fixedly connected to the column 19, and the top of the column 19 is fixedly connected to the sewing machine 20.The column 19 supports the sewing machine 20. The outer sides of the first feed plate 2 and the second feed plate 3 are fixedly connected with a mounting plate 21. The internal threads of the mounting plate 21 are connected with bolts 22. The first feed plate 2 and the second feed plate 3 are fixed to the outer side of the sewing table 1 through the mounting plate 21 and the bolts 22. Not only is the fixing effect good, but also the disassembly is convenient. There are two mounting plates 21 and four bolts 22. The two mounting plates 21 are symmetrical to each other, so that the two groups of the first feed plate 2 and the second feed plate 3 can be fixed. The four bolts 22 are a group of two, and each group of bolts 22 has a thread. Connected to the inside of each mounting plate 21, four bolts 22 are arranged in a rectangular array. The outside of each of the four bolts 22 is sleeved with an anti-slip ring. The anti-slip ring increases friction and prevents the bolts 22 from falling off. The outside of the extrusion layer 7 is fixedly connected to an anti-slip layer. The outside of the anti-slip layer is provided with anti-slip grooves. The anti-slip layer and anti-slip grooves increase friction and prevent the fabric from slipping. The inside of the column 19 is provided with an inner groove, and the inside of the inner groove is fixedly installed with an LED light 23. The LED light 23 provides lighting effects, allowing workers to observe the sewing position.

[0036] In the present invention, each first feeding plate 2 and the second feeding plate 3 form a group, and each first feeding plate 2 and the second feeding plate 3 are symmetrical to each other, the cloth is hung inside the winding drum 12, the second motor 10 is started, so that the second motor 10 drives the winding drum 12 to rotate, thereby being able to unwind the cloth, and then the two sides of the cloth are respectively extended to the gap between the two groups of first feeding plates 2 and second feeding plates 3, the material of the extrusion layer 7 is rubber, thereby being able to extrude the cloth, the first motor 8 is started, so that the first motor 8 drives the gear 4 to rotate, the feeding belt 5 is meshed with the gear 4 through the tooth block 6, thereby enabling the feeding belt 5 to be able to be geared. The transmission is carried out with the wheel 4 as the center. At this time, the fabric in the gap between the first feed plate 2 and the second feed plate 3 can be fed, and the feeding process has the effects of high feeding efficiency, high safety factor and high degree of automation. During the process of the third motor 15 driving the threaded shaft 16 to rotate, the sleeve 17 will be displaced on the outside of the threaded shaft 16. The bottom of the sleeve 17 is limited in the slide rail 18 and is slidably connected to the inside of the slide rail 18. The column 19 is fixed above the sleeve 17, so that the column 19 and the sewing machine 20 can be displaced at the edge of the sewing table 1. The sewing position can be adjusted by the displacement of the sewing machine 20, thereby improving the flexibility of the sewing process.

[0037] 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. An automatic feeding device for a sewing machine, comprising a sewing table (1), characterized in that: A first feed plate (2) and a second feed plate (3) are respectively provided on both sides of the sewing table (1), the number of each of the first feed plate (2) and the second feed plate (3) is two, and the two first feed plates (2) and the second feed plates (3) are symmetrical to each other, the interiors of the first feed plate (2) and the second feed plate (3) are both rotatably connected to a gear (4), the exterior of the gear (4) is provided with a feed belt (5), the interior of the feed belt (5) is fixedly connected to a tooth block (6), and the exterior of the feed belt (5) is fixedly connected to an extrusion layer (7) The first feed plate (2) and the second feed plate (3) are both fixedly mounted with a first motor (8) on their exteriors, the gear (4) is fixedly connected to the output end of the first motor (8), the sewing table (1) is fixedly connected with a connecting plate (9) on its exterior, the second motor (10) is fixedly connected to the exterior of the connecting plate (9), the output end of the second motor (10) is fixedly mounted with a coupling (11), a winding roller (12) is movably mounted inside the coupling (11), and a tensioning roller (13) is rotatably connected to the interior of the connecting plate (9).

2. The automatic feeding device for a sewing machine according to claim 1, characterized in that: The bottom of the sewing table (1) is fixedly connected to a track (14), the outside of the track (14) is fixedly mounted with a third motor (15), and the output end of the third motor (15) is fixedly connected to a threaded shaft (16).

3. The automatic feeding device for a sewing machine according to claim 2, characterized in that: The threaded shaft (16) extends to the interior of the track (14).

4. The automatic feeding device for a sewing machine according to claim 2, characterized in that: The outer thread of the threaded shaft (16) is connected to a sleeve (17), the inner bottom wall of the track (14) is fixedly connected to a slide rail (18), and the sleeve (17) is slidably connected to the inside of the slide rail (18).

5. The automatic feeding device for a sewing machine according to claim 4, characterized in that: The top of the sleeve (17) is fixedly connected to a column (19), and the top of the column (19) is fixedly connected to a sewing machine (20).

6. The automatic feeding device for a sewing machine according to claim 1, characterized in that: The outer sides of the first feeding plate (2) and the second feeding plate (3) are fixedly connected with mounting plates (21), and the inner sides of the mounting plates (21) are threadedly connected with bolts (22).

7. The automatic feeding device for a sewing machine according to claim 6, characterized in that: The number of the mounting plates (21) is two, and the number of the bolts (22) is four.

8. The automatic feeding device for a sewing machine according to claim 7, characterized in that: The four bolts (22) are distributed in a rectangular array, and the outsides of the four bolts (22) are all sleeved with anti-slip rings.

9. The automatic feeding device for a sewing machine according to claim 1, characterized in that: The outside of the extrusion layer (7) is fixedly connected to an anti-skid layer, and the outside of the anti-skid layer is provided with anti-skid grooves.

10. The automatic feeding device for a sewing machine according to claim 5, characterized in that: An inner groove is provided on the inner side of the column (19), and an LED lamp (23) is fixedly installed inside the inner groove.

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