CN215404886U - Cylinder type thick material sewing machine with tug feeding device - Google Patents
Cylinder type thick material sewing machine with tug feeding device Download PDFInfo
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- CN215404886U CN215404886U CN202120552296.3U CN202120552296U CN215404886U CN 215404886 U CN215404886 U CN 215404886U CN 202120552296 U CN202120552296 U CN 202120552296U CN 215404886 U CN215404886 U CN 215404886U
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Abstract
The utility model provides a cylinder type thick material sewing machine with a tug feeding device. According to the drum-type thick material sewing machine with the tug feeding device, the feed lifting tooth driving assembly, the upper feed wheel, the driving connecting piece, the lower feed wheel and the pressure regulating device are arranged, the feed lifting tooth driving assembly can drive the upper feed wheel to move up and down, and a cloth to be sewn is tightly pressed between the upper feed wheel and the lower feed wheel through the pressure regulating device, so that the sewing machine can sew the cloth; in addition, the driving shaft drives the lower feeding wheel to rotate through the driving connecting piece, so that the cloth to be sewn moves to generate a sewing needle pitch so as to sew the next position.
Description
Technical Field
The utility model relates to sewing mechanical equipment, in particular to a cylinder type thick material sewing machine with a tug feeding device.
Background
A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient. The traditional sewing machine adopts a feeding mode of feeding cloth by a feed dog, the feeding mode has limited cloth feeding force, and especially for sewing materials with special materials, the feeding cloth is relatively hard and shows that the stitch is too small.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, it is necessary to provide a cylinder type thick material sewing machine with a tug feeding device, which can adapt to different thicknesses and has high pressure regulating precision.
The utility model provides a cylinder thick material sewing machine with a tug feeding device, which comprises a rack, a driving shaft, a table top arranged on the rack, a feed lifting driving assembly, an upper feeding wheel, a lower feeding wheel and a pressure regulating device, wherein the upper feeding wheel is positioned above the table top and can rotate freely; the pressure regulating device is connected with the upper feeding wheel, when the cloth to be sewn is to be sewn, the pressure regulating device can apply pressure to the upper feeding wheel, so that the cloth to be sewn is tightly pressed between the upper feeding wheel and the lower feeding wheel by the upper feeding wheel, and the cloth to be sewn is sewn; when the sewing of the sewing area of the cloth to be sewn is finished, the driving shaft works to enable the lower feeding wheel to rotate so that the cloth to be sewn moves to generate a sewing needle pitch so as to sew the next position.
According to the drum-type thick material sewing machine with the tug feeding device, the feed lifting tooth driving assembly, the upper feed wheel, the driving connecting piece, the lower feed wheel and the pressure regulating device are arranged, the feed lifting tooth driving assembly can drive the upper feed wheel to move up and down, and a cloth to be sewn is tightly pressed between the upper feed wheel and the lower feed wheel through the pressure regulating device, so that the sewing machine can sew the cloth; in addition, the driving shaft drives the lower feeding wheel to rotate through the driving connecting piece, so that the cloth to be sewn moves to generate a sewing needle pitch so as to sew the next position.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a thick material sewing machine according to the present invention;
FIG. 2 is a schematic structural view of an embodiment of a thick material sewing machine according to the present invention;
fig. 3 is a schematic structural view of a thick material sewing machine according to an embodiment of the present invention.
Detailed Description
The utility model is described in detail below with reference to specific embodiments and drawings in the specification:
the utility model provides a cylinder type thick material sewing machine with a tug feeding device, which is shown in figures 1-3: the sewing machine comprises a rack (not shown in the drawing), a driving shaft 10, a table top 20 arranged on the rack, a tooth lifting driving assembly 30, an upper feeding wheel 41, a lower feeding wheel 42 and a pressure regulating device 50, wherein the upper feeding wheel 41 is positioned above the table top 20, the upper feeding wheel 41 can rotate freely, the upper feeding wheel 41 is connected with the tooth lifting driving assembly 30, the tooth lifting driving assembly 30 enables the upper feeding wheel 41 to ascend and descend, the lower feeding wheel 42 can rotate and is positioned below the table top 20, the circumferential surface of the lower feeding wheel 42 is tangent to the table top 20, the upper feeding wheel 41 can tightly press a cloth to be sewn on the table top 20 when descending to a certain gap from the lower feeding wheel 42, the lower feeding wheel 42 is connected with the driving shaft 10 through a driving connecting piece, and the driving shaft 10 can drive the lower feeding wheel 42 to rotate when rotating; the pressure regulating device 50 is connected with the upper feeding wheel 41, when the cloth to be sewn is to be sewn, the pressure regulating device 50 can apply pressure to the upper feeding wheel 41, so that the cloth to be sewn is tightly pressed between the upper feeding wheel 41 and the lower feeding wheel 42 by the upper feeding wheel 41, and the cloth to be sewn is sewn; when the sewing of the sewing region of the cloth to be sewn is finished, the driving shaft 10 is operated to rotate the lower feed roller 42 so that the cloth to be sewn is moved to generate a sewing needle pitch for sewing the next position.
According to the drum-type thick material sewing machine with the tug feeding device, the feed lifting tooth driving assembly 30, the upper feed wheel 41, the driving connecting piece, the lower feed wheel 42 and the pressure regulating device 50 are arranged, the feed lifting tooth driving assembly 30 can drive the upper feed wheel 41 to move up and down, and the cloth to be sewn is tightly pressed between the upper feed wheel 41 and the lower feed wheel 42 through the pressure regulating device 50, so that the sewing machine can sew the cloth; in addition, the driving shaft 10 drives the lower feeding wheel 42 to rotate through the driving connecting piece, so that the cloth to be sewn moves to generate a sewing needle pitch so as to sew the next position, therefore, the cylinder type thick material sewing machine with the tug wheel feeding device provided by the utility model can adapt to the cloth with different thicknesses, and the pressure regulating precision is high.
Preferably, as shown in fig. 1 and 2: the feed lifting driving assembly 30 is a linear motor, the linear motor is connected with the upper feeding wheel 41 through the upper feeding adjusting shaft 31, and the linear motor drives the upper feeding wheel 41 to ascend or descend through the upper feeding adjusting shaft 31.
Preferably, as shown in fig. 1 and 2: the pressure regulating device 50 is a pressure regulating screw, the upper part of the upper feeding regulating shaft 31 extends into a blind hole of the pressure regulating screw, a first fixing block 70 is fixedly arranged on the rack, a threaded through hole is formed in the first fixing block 70, an external thread of the pressure regulating screw is matched with the threaded through hole, a nut 51 of the pressure regulating screw is positioned above the first fixing block 70 and abutted to the upper surface of the first fixing block 70, when the nut 51 is rotated, the pressure regulating screw 51 can move up and down along the threaded through hole, so that the up-and-down moving distance of the upper feeding wheel 41 can be regulated to regulate the thickness of the cloth which can be sewn, and when the upper feeding regulating shaft 31 moves to the upper surface thereof and abutted to the top of the blind hole of the pressure regulating screw, the pressure regulating screw can apply pressure to the upper feeding wheel 41. Preferably, the linear motor is fixed to the first fixing block 70.
Preferably, as shown in fig. 1 and 2: a second fixed block 71 is fixedly arranged on the frame, the second fixed block 71 is positioned between the first fixed block 71 and the upper feeding wheel 41, a through hole is arranged on the second fixed block 71, the upper feeding adjusting shaft 31 passes through the through hole, and the through hole of the second fixed block 71 enables the upper feeding adjusting shaft 31 to stably move up and down.
Preferably, as shown in fig. 3: the pressure regulating device 50 is a spring 52 and a connecting rod 53, the upper feeding regulating shaft 31 is connected with the upper feeding wheel 41 through a bracket 32, the spring 52 and the bracket 32 are arranged at two ends of the connecting rod 53, the middle part of the connecting rod 53 is hinged on a rack to form a lever, and the spring 52 is fixed between the rack and the connecting rod 53; if the spring 50 and the bracket 32 are located on the same side of the connecting rod, the middle part of the connecting rod 53 is hinged on the table top 20 of the frame, the spring 50 is connected on the table top 20, and when the feed lifting driving assembly 30 enables the upper feed adjusting shaft to rise to a certain position, the spring 52 generates tension to enable the upper feed wheel 41 to generate pressure on the cloth; if the spring 52 and the bracket 32 are located on the opposite side of the connecting rod 53, the spring 52 is connected to the frame above the table top 20, and when the feed adjusting shaft 31 is lifted to a certain position by the feed lifting driving assembly 30, the spring 52 generates a pulling force to make the upper feeding wheel 41 generate a pressure on the cloth.
Preferably, as shown in fig. 1-3: the driving connecting piece comprises a first driving connecting rod 61, a first adjusting crank 62, a second adjusting crank 63, a second driving connecting rod 64 and a feeding cam 65, an eccentric cylindrical surface 11 is arranged on the outer circumference of the driving shaft 10, namely, the axis of the eccentric cylindrical surface 11 is not in the same straight line with the axis of the driving shaft 10, one end of the first driving connecting rod 61 is rotatably sleeved on the eccentric cylindrical surface 11, the other end of the first driving connecting rod 61 is connected with the first adjusting crank 62 through a pin, one end of the first adjusting crank 62 is provided with a sliding chute, the pin can slide in the sliding chute, the other end of the first adjusting crank 62 and one end of the second adjusting crank 63 are fixedly and hingedly arranged on the frame, the other end of the second adjusting crank 62 is provided with a sliding chute, one end of the second driving connecting rod 64 is connected with the second adjusting crank through a pin, the pin can slide in the sliding groove, the second driving connecting rod 64 is connected with the feeding cam 65, and the feeding cam 65 is concentrically and fixedly connected with the lower feeding wheel 42, so that when the driving shaft rotates 10, the lower feeding wheel 42 can be driven to rotate.
Claims (6)
1. The utility model provides a from thick material sewing machine of cylinder of taking tow boat material feeding unit, includes frame, driving shaft, sets up the mesa in the frame, its characterized in that: the upper feeding wheel is positioned above the table board and can rotate freely, the upper feeding wheel is connected with the lifting tooth driving assembly, the lifting tooth driving assembly enables the upper feeding wheel to ascend and descend, the lower feeding wheel can rotate and is positioned below the table board, the circumferential surface of the lower feeding wheel is tangent to the table board, the upper feeding wheel can press the cloth to be sewn tightly on the table board when descending to a certain gap away from the lower feeding wheel, the lower feeding wheel is connected with the driving shaft through a driving connecting piece, and the driving shaft can drive the lower feeding wheel to rotate when rotating; the pressure regulating device is connected with the upper feeding wheel, when the cloth to be sewn is to be sewn, the pressure regulating device can apply pressure to the upper feeding wheel, so that the cloth to be sewn is tightly pressed between the upper feeding wheel and the lower feeding wheel by the upper feeding wheel, and the cloth to be sewn is sewn; when the sewing of the sewing area of the cloth to be sewn is finished, the driving shaft works to enable the lower feeding wheel to rotate so that the cloth to be sewn moves to generate a sewing needle pitch so as to sew the next position.
2. The drum-type thick material sewing machine with the tugboat feeding device as claimed in claim 1, wherein: the feed lifting driving assembly is a linear motor, the linear motor is connected with the upper feed wheel through an upper feed adjusting shaft, and the linear motor drives the upper feed wheel to ascend or descend through the upper feed adjusting shaft.
3. The drum-type thick material sewing machine with the tugboat feeding device as claimed in claim 2, wherein: the pressure regulating device is a pressure regulating screw, the upper portion of the upper feeding regulating shaft extends into a blind hole of the pressure regulating screw, a first fixing block is arranged on the rack, a threaded through hole is formed in the first fixing block, external threads of the pressure regulating screw are matched with the threaded through hole, a nut of the pressure regulating screw is located above the first fixing block and is abutted to the upper surface of the first fixing block, when the nut is rotated, the pressure regulating screw can move up and down along the threaded through hole, the up-and-down distance of the upper feeding wheel can be regulated to regulate the thickness of the cloth which can be sewn, and when the upper feeding regulating shaft moves to the upper surface of the upper feeding regulating shaft and is abutted to the top of the blind hole of the pressure regulating screw, the pressure regulating screw can apply pressure to the upper feeding wheel.
4. A thick material sewing machine with a feeding device having a tow wheel as claimed in claim 3, wherein a second fixing block is fixed to the frame, the second fixing block is located between the first fixing block and the upper feeding wheel, the second fixing block is provided with a through hole, the upper feeding adjustment shaft passes through the through hole, and the through hole of the second fixing block enables the upper feeding adjustment shaft to move up and down stably.
5. The drum-type thick material sewing machine with the tugboat feeding device as claimed in claim 2, wherein: the pressure regulating device is a spring and a connecting rod, the upper feeding regulating shaft is connected with the upper feeding wheel through a support, the spring and the support are arranged at two ends of the connecting rod, the middle part of the connecting rod is hinged on the rack to form a lever, and the spring is fixed between the rack and the connecting rod; if the spring and the bracket are positioned on the same side of the connecting rod, when the feed lifting driving assembly enables the upper feed adjusting shaft to rise to a certain position, the spring generates tension so that the upper feed wheel generates pressure on the cloth; if the spring and the bracket are positioned on the opposite sides of the connecting rod, when the feed lifting driving assembly enables the upper feed adjusting shaft to rise to a certain position, the spring generates tension so that the upper feed wheel generates pressure on the cloth.
6. A drum thick material sewing machine with a tugboat feeding device according to any one of claims 1-5, characterized in that: the driving connecting piece comprises a first driving connecting rod, a first adjusting crank, a second driving connecting rod and a feeding cam, an eccentric cylindrical surface is arranged on the outer circumference of the driving shaft, one end of the first driving connecting rod is rotatably sleeved on the eccentric cylindrical surface, the other end of the first driving connecting rod is connected with the first adjusting crank through a pin column, one end of the first adjusting crank is provided with a chute, the pin column can slide in the chute, the other end of the first adjusting crank and one end of the second adjusting crank are fixedly and hinged on the frame, the other end of the second adjusting crank is provided with a chute, one end of the second driving connecting rod is connected with the second adjusting crank through a pin column, the pin column can slide in the chute, the second driving connecting rod is connected with the feeding cam, and the feeding cam is concentrically and fixedly connected with the lower feeding wheel, therefore, when the driving shaft rotates, the lower feeding wheel can be driven to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120552296.3U CN215404886U (en) | 2021-03-18 | 2021-03-18 | Cylinder type thick material sewing machine with tug feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120552296.3U CN215404886U (en) | 2021-03-18 | 2021-03-18 | Cylinder type thick material sewing machine with tug feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215404886U true CN215404886U (en) | 2022-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120552296.3U Active CN215404886U (en) | 2021-03-18 | 2021-03-18 | Cylinder type thick material sewing machine with tug feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215404886U (en) |
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2021
- 2021-03-18 CN CN202120552296.3U patent/CN215404886U/en active Active
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