Edge covering device of sewing machine
By integrating the cutting groove and motor-driven cutting piece in the sewing machine edge wrap device, the sewing and cutting of the edge wrap belt is automatically completed, which solves the problem of frequent scissors and slimming of the existing sewing machines, and achieves efficient edge wrap and stable working environment.
Patent Information
- Application Number
- CN202422546384.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-10-22
AI Technical Summary
During the sewing process of existing sewing machines, the lack of cutting devices has led to the need for staff to frequently use scissors to cut off the sideband of the bag, which has increased the workload.
A sewing device for a sewing machine is designed, which includes a built-in cutting groove of the edger and a motor-driven cutting piece. Through the coordinated work of the sewing machine and the motor, the sewing and cutting of the edgeband is automatically completed, reducing manual operation.
It achieves excellent edge-enclosing effect, reduces the operating frequency of staff, improves work efficiency, and provides a stable and safe working environment through shock absorbing devices and heat dissipation structures.
Smart Images
Figure CN223281026U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sewing machine equipment, in particular to a hemming device of a sewing machine. Background Art
[0002] Hemming is the process of applying a stitch around the edge of an item to create a smoother, more aesthetically pleasing edge. Hemming is commonly used on clothing, luggage, bags, and other handmade items. During the sewing process, a sewing machine simultaneously sews the facing fabric, lining, and hemming tape to create the hemming effect.
[0003] During the sewing process of existing sewing machines, most of the hemming devices of the sewing machines are not equipped with a cutting device. After the hemming is completed, the hemming tape needs to be frequently cut off with scissors, which causes the workers to frequently pick up and put down the scissors, increasing the workload of the workers, and therefore needs to be improved. Utility Model Content
[0004] The utility model aims to provide a hemming device for a sewing machine, which has a good effect on hemming cloth.
[0005] The above technical objectives of the present utility model are achieved through the following technical solutions: a hemming device for a sewing machine, comprising a table, the bottom of the table is fixedly connected to the table legs, the upper surface of the table is provided with a sewing machine seat, the outside of the sewing machine seat is fixedly connected to the sewing machine, the bottom of the sewing machine is fixedly connected to the processing guard plate, the outside of the sewing machine is provided with a sewing needle, the upper surface of the sewing machine is provided with a thread guide, the interior of the table is provided with a sewing groove, the outer side of the sewing groove is provided with an hemming device, the interior of the hemming device is provided with a cutting groove, the interior of the hemming device is provided with a pressing groove, the upper surface of the table is fixedly connected to a support plate, the outer side of the table The part is provided with a rotating shaft, which passes through the interior of the support plate, and a handle is provided on the outside of the support plate. An iron sheet rack is provided on the outside of the support plate, one end of the rotating shaft is fixedly connected to the handle, and the other end of the rotating shaft is fixedly connected to the iron sheet rack, and the outside of the iron sheet rack is fixedly connected to a motor box, a rotating hole is opened inside the motor box, and a motor is fixedly connected to the inside of the motor box, and a cutting blade is provided on the outside of the motor box, and the output end of the motor passes through the inside of the rotating hole and is fixedly connected to the cutting blade, a wire reel is provided on the outside of the sewing machine, and sewing thread is provided on the upper surface of the wire reel, and one end of the sewing thread passes through the inside of the thread guide and is connected to the sewing needle bolt.
[0006] By adopting the above technical solution, the staff places the hemming tape inside the hemming device, passes one end of the hemming tape between the two drums, and places the fork head inside the hemming tape, then starts the sewing machine and the motor, and the sewing machine and the motor start working at the same time, the output end of the motor drives the cutting disc to rotate, the staff places the cloth on the bottom of the sewing needle, and makes the hemming tape passing through the two drums wrap the edge of the cloth, the sewing machine drives the sewing needle to start sewing the cloth and the hemming tape wrapping the edge of the cloth, and the sewing line of the sewing needle drives the hemming tape to move inside the hemming device, and when the sewing of the cloth is about to be finished and the hemming is finished, the staff turns the handle to rotate the iron sheet rack, and then the motor box moves downward in the pressing groove, and the rotating cutting disc moves to the inside of the cutting groove to cut off the excess hemming tape. Through the above operations, the best effect of hemming the cloth is achieved.
[0007] The present invention is further configured as follows: shock-absorbing pads are provided at the bottom of the sewing machine base, and the number of the shock-absorbing pads is four.
[0008] By adopting the above technical solution, the sewing machine will generate vibration force when working, and the four shock-absorbing foot pads will reduce the vibration force of the sewing machine on the table, thereby providing a stable environment for the work of hemming the fabric.
[0009] The present invention is further configured as follows: a turntable is rotatably connected to the upper surface of the sewing machine, a cylinder is fixedly connected to the upper surface of the turntable, and the wire coil is plugged into the cylinder.
[0010] By adopting the above technical solution, when the thread reel is unwinding, the cylinder rotates on the upper surface of the turntable, thereby achieving stable unwinding of the sewing thread.
[0011] The utility model is further configured as follows: a vertical rod is provided at the bottom of the processing guard plate, and a cloth pressing foot fork is fixedly connected to the bottom of the vertical rod.
[0012] By adopting the above technical solution, the cloth pressing foot fork presses the cloth flat, which facilitates the sewing and hemming work of the cloth.
[0013] The present invention is further configured as follows: a hand guard is provided on the outside of the cloth pressing foot fork, and the number of the hand guards is three.
[0014] By adopting the above technical solution, the three hand guards keep the workers' hands away from the sewing needles, thereby preventing the sewing needles from pricking the workers' fingers.
[0015] The utility model is further configured as follows: a circular groove is provided inside the pressing groove, a spring is provided inside the circular groove, and the upper surface of the spring is fixedly connected to the motor box.
[0016] By adopting the above technical solution, after the motor box moves into the pressing groove and the cutting blade cuts the edging tape, the staff releases the handle, and the spring pushes the motor box upward, causing the motor box to move upward to the outside of the pressing groove, thereby returning the cutting blade to its position and preparing for the next cutting of the edging tape.
[0017] The present invention is further configured as follows: a transverse column is provided on the outside of the edge wrapper, and a fork head is fixedly connected to the outside of the transverse column.
[0018] By adopting the above technical solution, the bottom end of the hemming belt moving inside the hemming device is separated by the fork head, so as to carry out the next step of wrapping the cloth.
[0019] The present invention is further configured as follows: a bracket is provided on the outside of the edge wrapper, and a drum is rotatably connected to the outside of the bracket.
[0020] By adopting the above technical solution, when the hemming tape passes between the two rollers, it drives the two rollers to rotate, and the two rotating rollers flatten the hemming tape, so that the two sides of the hemming tape separated at the bottom are almost the same size, which facilitates the hemming tapes at both ends of the fabric to be more uniform after the fabric is hemmed.
[0021] The present invention is further configured as follows: a storage box is fixedly connected to the upper surface of the table, and a clip is provided inside the storage box.
[0022] By adopting the above technical solution, after the hemming tape is cut, the remaining hemming tape is quickly passed through between the two drums by a clip and then wrapped around the edge of the next piece of fabric.
[0023] The present invention is further configured as follows: heat dissipation holes are provided inside the motor box, and the distances between any two of the heat dissipation holes are equal.
[0024] By adopting the above technical solution, the motor generates heat when working, and the heat dissipation holes dissipate the heat inside the motor box.
[0025] The beneficial effects of the utility model are:
[0026] 1. The utility model is characterized by the arrangement among a table, table legs, a sewing machine base, a sewing machine, a processing guard plate, a sewing needle, a thread guide, a sewing groove, a hemming device, a cutting groove, a pressing groove, a support plate, a rotating shaft, a handle, an iron sheet rack, a motor box, a rotary hole, a motor, a cutting disc, a thread reel, and a sewing thread. The hemming tape is placed inside the hemming device, one end of the hemming tape is passed between two rollers, and the fork head is placed inside the hemming tape. Then, the sewing machine and the motor are started, and the sewing machine and the motor start working at the same time. The output end of the motor drives the cutting disc to rotate, and the staff places the cloth At the bottom of the sewing needle, the edge tape passing through the two drums is wrapped around the edge of the fabric. The sewing machine drives the sewing needle to start sewing the fabric and the edge tape wrapped around the edge of the fabric. The sewing line of the sewing needle drives the edge tape to move inside the edger. When the sewing of the fabric is about to be finished and the edge is finished, the staff turns the handle to rotate the iron sheet rack, and then the motor box moves downward in the pressing groove. The rotating cutting disc moves to the inside of the cutting groove to cut off the excess edge tape. Through the above operations, the best effect of fabric edge wrapping is achieved.
[0027] 2. The utility model, through the arrangement among the shock-absorbing foot pad, turntable, cylinder, vertical rod, cloth-pressing foot fork, hand guard, round groove, spring, horizontal column, fork head, bracket, drum, storage box, clip and heat dissipation hole, the sewing machine will generate vibration force when working, and the four shock-absorbing foot pads reduce the vibration force of the sewing machine on the table, providing a stable environment for the work of hemming the fabric. When the thread reel is unwinding, the cylinder rotates on the upper surface of the turntable to achieve stable unwinding of the sewing thread. The cloth-pressing foot fork presses the fabric flat, which is convenient for sewing and hemming the fabric. The three hand guards keep the staff's hands away from the sewing needle to prevent the sewing needle from pricking the staff's fingers. After the motor box moves into the pressing groove to make the cutting disc cut the hemming tape, the staff releases the grip. The spring pushes the motor box upward, causing the motor box to move upward to the outside of the pressing groove, thereby returning the cutting blade to its position and preparing for the next cutting of the hemming tape. The bottom end of the hemming tape moving inside the hemming device is separated through the fork head, and the next step of wrapping the fabric is carried out. When the hemming tape passes between the two drums, it drives the two drums to rotate. The two rotating drums flatten the hemming tape, so that the two sides of the hemming tape separated at the bottom are almost the same size, which facilitates the hemming tapes at both ends of the fabric to be more uniform after the fabric is hemmed. After the hemming tape is cut, the remaining hemming tape is quickly passed through the two drums with a clip and wrapped with the edge of the next piece of fabric. The motor generates heat when working, and the heat dissipation holes dissipate the heat inside the motor box. 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 motor box and motor structure of the utility model;
[0031] Figure 3 For this utility model Figure 1 Schematic diagram of the enlarged structure at A in the middle;
[0032] Figure 4 For this utility model Figure 1 Schematic diagram of the enlarged structure at point B in the middle.
[0033] In the figure, 1. table; 2. table legs; 3. sewing machine base; 4. sewing machine; 5. processing guard plate; 6. sewing needle; 7. thread guide; 8. sewing groove; 9. hemming tool; 10. cutting groove; 11. pressing groove; 12. support plate; 13. rotating shaft; 14. handle; 15. iron sheet rack; 16. motor box; 17. rotating hole; 18. motor; 19. cutting disc; 20. thread reel; 21. sewing thread; 22. shock-absorbing foot pad; 23. turntable; 24. cylinder; 25. vertical rod; 26. cloth pressing foot fork; 27. hand guard; 28. circular groove; 29. spring; 30. horizontal column; 31. fork head; 32. bracket; 33. drum; 34. storage box; 35. clip; 36. heat dissipation hole. 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, a hemming device for a sewing machine comprises a table 1, the bottom of the table 1 is fixedly connected to a table leg 2, a sewing machine seat 3 is provided on the upper surface of the table 1, a sewing machine 4 is fixedly connected to the outside of the sewing machine seat 3, a processing guard plate 5 is fixedly connected to the bottom of the sewing machine 4, a sewing needle 6 is provided on the outside of the sewing machine 4, a thread guide 7 is provided on the upper surface of the sewing machine 4, a sewing groove 8 is provided inside the table 1, an hemming device 9 is provided on the outer side of the sewing groove 8, a cutting groove 10 is provided inside the hemming device 9, a pressing groove 11 is provided inside the hemming device 9, a support plate 12 is fixedly connected to the upper surface of the table 1, a rotating shaft 13 is provided on the outside of the table 1, the rotating shaft 13 passes through the inside of the support plate 12, a handle 14 is provided on the outside of the support plate 12, and a An iron sheet rack 15 is provided, one end of the rotating shaft 13 is fixedly connected to the handle 14, the other end of the rotating shaft 13 is fixedly connected to the iron sheet rack 15, the outside of the iron sheet rack 15 is fixedly connected to the motor box 16, the interior of the motor box 16 is provided with a rotating hole 17, the interior of the motor box 16 is fixedly connected to the motor 18, the outside of the motor box 16 is provided with a cutting blade 19, the output end of the motor 18 passes through the interior of the rotating hole 17 and is fixedly connected to the cutting blade 19, the outside of the sewing machine 4 is provided with a wire reel 20, the upper surface of the wire reel 20 is provided with a sewing thread 21, one end of the sewing thread 21 passes through the interior of the thread guide 7 and is bolted to the sewing needle 6, the staff puts the hemming tape inside the hemming device 9, passes one end of the hemming tape between the two drums 33, and puts the fork head 31 The staff puts the cloth on the bottom of the sewing needle 6, and makes the edge of the cloth wrapped with the edge of the cloth by the sewing machine 4. The sewing line of the sewing needle 6 drives the edge of the cloth to move inside the edger 9. When the sewing of the cloth is about to be finished and the edge is finished, the staff turns the handle 14 to rotate the iron frame 15, and then the motor box 16 moves downward in the pressing groove 11. The rotating cutting disc 19 moves to the inside of the cutting groove 10 to cut the excess edge. The above operation achieves a good effect on the edge binding of the fabric. The bottom of the sewing machine seat 3 is provided with a shock-absorbing foot pad 22. There are four shock-absorbing foot pads 22. The sewing machine 4 will generate vibration force when working. The four shock-absorbing foot pads 22 reduce the vibration force of the sewing machine 4 on the table 1, providing a stable environment for the work of edge binding of the fabric. The upper surface of the sewing machine 4 is rotatably connected to the turntable 23. The upper surface of the turntable 23 is fixedly connected to the cylinder 24. The wire reel 20 is plugged into the cylinder 24. When the wire reel 20 is unwinding, it rotates on the upper surface of the turntable 23 through the cylinder 24, thereby achieving a smooth unwinding of the sewing thread 21. The bottom of the processing guard plate 5 is provided with a vertical rod 25. The bottom of the vertical rod 25 is fixedly connected to a cloth pressing foot fork 26. The cloth pressing foot fork 26 presses the fabric flat.To facilitate the sewing and hemming of the fabric, a hand guard 27 is provided on the outside of the cloth pressing foot fork 26. There are three hand guards 27. The three hand guards 27 keep the staff's hands away from the sewing needle 6 to prevent the sewing needle 6 from pricking the staff's fingers. A circular groove 28 is provided inside the pressing groove 11, and a spring 29 is provided inside the circular groove 28. The upper surface of the spring 29 is fixedly connected to the motor box 16. After the motor box 16 moves into the pressing groove 11 to make the cutting blade 19 cut the hemming tape, the staff releases the grip 14, and the spring 29 pushes the motor box 16 upward, so that the motor box 16 moves upward to the outside of the pressing groove 11, and then the cutting blade 19 returns to its position, preparing for the next cutting of the hemming tape. A cross column 30 is provided on the outside of the hemming device 9, and a fork head 31 is fixedly connected to the outside of the cross column 30, so that the bottom end of the hemming tape moving inside the hemming device 9 is moved through the fork head 31. After the hemming tape is separated, the next step of wrapping the fabric is carried out. A bracket 32 is provided on the outside of the hemming device 9. The outside of the bracket 32 is rotatably connected to a roller 33. When the hemming tape passes between the two rollers 33, the two rollers 33 are driven to rotate. The rotating two rollers 33 flatten the hemming tape so that the two sides of the hemming tape separated at the bottom are almost the same size, which is convenient for the hemming tape at both ends of the fabric to be more uniform after the fabric is hemmed. A storage box 34 is fixedly connected to the upper surface of the table 1. A clip 35 is provided inside the storage box 34. After the hemming tape is cut, the remaining hemming tape is quickly passed between the two rollers 33 with the clip 35 and then wrapped with the edge of the next piece of fabric. The inside of the motor box 16 is provided with heat dissipation holes 36. The spacing between the heat dissipation holes 36 is equal. The motor 18 generates heat when working, and the heat dissipation holes 36 dissipate the heat inside the motor box 16.
[0036] In the present invention, the staff puts the hemming tape inside the hemming device 9, passes one end of the hemming tape between the two rollers 33, and places the fork head 31 inside the hemming tape, then starts the sewing machine 4 and the motor 18, and the sewing machine 4 and the motor 18 start working at the same time, and the output end of the motor 18 drives the cutting blade 19 to rotate, and the staff puts the cloth on the bottom of the sewing needle 6, and makes the hemming tape passing through the two rollers 33 wrap the edge of the cloth, and the sewing machine 4 drives the sewing needle 6 to start sewing the cloth and the hemming tape wrapped around the edge of the cloth, and the sewing line of the sewing needle 6 is driven The hemming tape moves inside the hemming device 9. When the sewing of the cloth is almost finished and the hemming is finished, the staff rotates the handle 14 to rotate the iron frame 15, and then the motor box 16 moves downward in the pressing groove 11, and the rotating cutting blade 19 moves to the inside of the cutting groove 10 to cut off the excess hemming tape. Through the above operations, the best effect of hemming the cloth is achieved. The sewing machine 4 will generate vibration force when working. The four shock-absorbing foot pads 22 reduce the vibration force of the sewing machine 4 on the table 1, providing a stable environment for the work of hemming the cloth. When the wire reel 20 is unwinding, it passes through the cylinder 24 on the upper surface of the turntable 23 The surface rotates to realize the smooth pay-off of sewing thread 21, and the cloth pressing foot fork 26 presses the cloth flat, which is convenient for sewing and hemming of cloth. The three hand guards 27 keep the staff's hands away from the sewing needle 6 to avoid the sewing needle 6 pricking the staff's fingers. After the motor box 16 moves into the pressing groove 11 to make the cutting blade 19 cut the hemming tape, the staff releases the grip 14, and the spring 29 pushes the motor box 16 upward, so that the motor box 16 moves upward to the outside of the pressing groove 11, and then the cutting blade 19 returns to its position, preparing for the next cutting of the hemming tape, and the fork head 31 makes the movement in the hemming device 9 The bottom end of the internal hemming tape is separated, and the next step of wrapping the cloth is carried out. When the hemming tape passes between the two rollers 33, it drives the two rollers 33 to rotate. The rotating two rollers 33 flatten the hemming tape, so that the two sides of the hemming tape separated at the bottom are almost the same size, which is convenient for the hemming tape at both ends of the cloth to be more uniform after the cloth is hemmed. After the hemming tape is cut, the remaining hemming tape is quickly passed through the two rollers 33 with a clip 35 and then wrapped with the edge of the next piece of cloth. The motor 18 generates heat when working, and the heat dissipation holes 36 dissipate the heat inside the motor box 16
[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. A sewing machine hemming device, comprising a table (1), characterized in that: The bottom of the table (1) is fixedly connected to the table legs (2), the upper surface of the table (1) is provided with a sewing machine seat (3), the outside of the sewing machine seat (3) is fixedly connected to the sewing machine (4), the bottom of the sewing machine (4) is fixedly connected to the processing guard plate (5), the outside of the sewing machine (4) is provided with a sewing needle (6), the upper surface of the sewing machine (4) is provided with a thread guide (7), the interior of the table (1) is provided with a sewing groove (8), the outer side of the sewing groove (8) is provided with an edger (9), the interior of the edger (9) is provided with a cutting groove (10), the interior of the edger (9) is provided with a pressing groove (11), the upper surface of the table (1) is fixedly connected to a support plate (12), the outside of the table (1) is provided with a rotating shaft (13), the rotating shaft (13) passes through the interior of the support plate (12), the outer side of the support plate (12) is provided with a cutting groove (10), the inner side of the edger (9) is provided with a pressing groove (11), the upper surface of the table (1) is fixedly connected to the support plate (12), the outside of the table (1) is provided with a rotating shaft (13), the rotating shaft (13) passes through the interior of the support plate (12), and the outer side of the support plate (12) is provided with a cutting groove (10). The support plate (12) is provided with a handle (14), an iron frame (15) is provided on the outside of the support plate (12), one end of the rotating shaft (13) is fixedly connected to the handle (14), the other end of the rotating shaft (13) is fixedly connected to the iron frame (15), the outside of the iron frame (15) is fixedly connected to a motor box (16), a rotating hole (17) is provided inside the motor box (16), a motor (18) is fixedly connected inside the motor box (16), a cutting blade (19) is provided on the outside of the motor box (16), the output end of the motor (18) passes through the inside of the rotating hole (17) and is fixedly connected to the cutting blade (19), a thread reel (20) is provided on the outside of the sewing machine (4), a sewing thread (21) is provided on the upper surface of the thread reel (20), one end of the sewing thread (21) passes through the inside of the thread guide (7) and is bolted to the sewing needle (6).
2. The hemming device of a sewing machine according to claim 1, characterized in that: The bottom of the sewing machine base (3) is provided with shock-absorbing foot pads (22), and the number of the shock-absorbing foot pads (22) is four.
3. The hemming device of a sewing machine according to claim 1, characterized in that: The upper surface of the sewing machine (4) is rotatably connected to a turntable (23), the upper surface of the turntable (23) is fixedly connected to a cylinder (24), and the thread reel (20) is plugged into the cylinder (24).
4. The hemming device of a sewing machine according to claim 1, characterized in that: A vertical rod (25) is provided at the bottom of the processing guard plate (5), and a cloth pressing foot fork (26) is fixedly connected to the bottom of the vertical rod (25).
5. The hemming device of a sewing machine according to claim 4, characterized in that: The outside of the cloth pressing foot fork (26) is provided with a hand guard (27), and the number of the hand guards (27) is three.
6. The hemming device of a sewing machine according to claim 1, characterized in that: A circular groove (28) is provided inside the pressing groove (11), a spring (29) is provided inside the circular groove (28), and the upper surface of the spring (29) is fixedly connected to the motor box (16).
7. The hemming device of a sewing machine according to claim 1, characterized in that: A transverse column (30) is provided on the outside of the edge wrapper (9), and a bifurcated head (31) is fixedly connected to the outside of the transverse column (30).
8. The hemming device of a sewing machine according to claim 1, characterized in that: A bracket (32) is provided on the outside of the edge wrapper (9), and a roller (33) is rotatably connected to the outside of the bracket (32).
9. The hemming device of a sewing machine according to claim 1, characterized in that: A storage box (34) is fixedly connected to the upper surface of the table (1), and a clip (35) is provided inside the storage box (34).
10. The hemming device of a sewing machine according to claim 1, characterized in that: Heat dissipation holes (36) are provided inside the motor box (16), and the distances between any two of the heat dissipation holes (36) are equal.