Automatic sewing device for sofa cover fabric

Abstract

The utility model discloses an automatic sewing device for sofa cover fabric, which relates to the technical field of sewing machines and particularly comprises a support section, a guide section is arranged on the bottom wall of one side of the support section, a corresponding hole is arranged on the upper surface of the guide section, and a connecting hole is arranged at the top of the surface of one side of the guide section. A bending plate is fixedly installed on one side of the connecting hole through a bolt, a wire feeding hole is formed in the upper surface of the base plate, the bending plate can be fixed at the free position in the arc-shaped groove after being turned over, the angle of the bending plate is turned over so that a wire body can enter and be tightened, one end of the penetrating wire body can be connected to a through groove in the U-shaped guide piece, and therefore the wire body can be fixed in the U-shaped guide piece. And then the penetrating U-shaped guide piece is fixedly connected through the fastening nut, the fabric thread body penetrating obliquely downwards extends to the outer cambered surface of the guide wheel to be wound, elevation angle adjustment of the needle and thread guide piece can be achieved according to various different cloth or actual use requirements, and then stable combination is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing machines, in particular to an automatic sewing device for sofa cover fabrics. Background Art

[0002] Sofa cover fabric sewing device is an automated equipment used to produce sofa covers, which can greatly improve production efficiency and reduce labor costs. These devices usually include automatic loading and unloading functions, which can support cutting pieces of different shapes and sizes and even different materials, thus realizing flexible production.

[0003] In the prior art, the distance between the tug wheel and the workbench is fixed. Due to the different thicknesses of the fabrics to be sewn, it is easy to cause the distance between the tug wheel and the tabletop to be mismatched with the thickness of the fabric, thus affecting normal work. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an automatic sewing device for sofa cover fabrics, which solves the problem that due to the different thicknesses of the fabrics to be sewn, the distance between the tugwheel and the tabletop does not match the thickness of the fabric, thus affecting normal work.

[0005] To achieve the above purpose, the utility model is implemented through the following technical scheme: an automatic sewing device for sofa cover fabrics includes a supporting section, a guide section is provided on the bottom wall of one side of the supporting section, a corresponding hole is provided on the upper surface of the guide section, a connecting hole is opened on the top of one side surface of the guide section, a bending plate is fixedly installed on one side of the connecting hole by bolts, a base plate is provided on one side of the bending plate, a wire feeding hole is opened on the upper surface of the base plate, an arc groove is opened on one side surface of the bending plate, the arc groove on one side of the bending plate is fixedly installed on the surface of the guide section by bolts, a connecting rod is movably connected to the middle part of one side surface of the guide section through a rotating shaft, and a sliding groove is opened on one side surface of the connecting rod.

[0006] Optionally, the number of the connecting holes is three, and they are evenly distributed in the form of a transverse array, and several of the connecting holes correspond to corresponding holes. The inner side wall of the sliding groove is slidably clamped with a connecting shaft, and the bending plate can be fixed in a free position in the arc groove by flipping the back. The angle of the bending plate can be flipped to tighten the wire body, and one end of the passed wire body will be connected to the through groove in the U-shaped guide piece. The inserted U-shaped guide piece is then fixedly connected by a fastening nut, and the fabric wire body that passes obliquely downward extends to the outer arc surface of the guide wheel for winding, and the elevation angle of the needle and thread guide can be adjusted according to various fabrics or actual usage requirements, thereby achieving a stable combination.

[0007] Optionally, the connecting shaft passes through a mounting support rod at one end of the sliding groove, a shaft seat is provided on one side of the mounting support rod, a spring is movably sleeved on the outer arc surface of the mounting support rod, and one end of the spring is fixedly mounted on the surface of the mounting support rod.

[0008] Optionally, one end of the mounting support rod away from the shaft seat is movably connected to a side surface of the support section, and the side of the connecting rod away from the support section is movably connected to a guide wheel via a rotating shaft, and the guide wheel is adapted to the connecting hole.

[0009] Optionally, a U-shaped guide piece is connected through the guide section at the bottom end of the lower surface of the support section, and an extension section is provided on one side of the U-shaped guide piece.

[0010] Optionally, a through groove is provided on the upper surface of the U-shaped guide piece, and a fastening nut is connected through the through groove on the upper surface of the U-shaped guide piece.

[0011] Optionally, the fastening nut passes through the corresponding hole, and one side of the U-shaped guide piece passes through the guide section. The sewing machine body is fixedly installed on the lower surface of the support section. By controlling the rotation of the mounting support rod on the support section, the connecting shaft installed on the bottom shaft seat will slide in the sliding groove, and the connecting rod will move upward during the upward movement. Conversely, the downward movement can control the distance of the guide wheel approaching the fabric downward, thereby driving the fabric to move forward. There is no need for manual push to drive the fabric forward, which improves work efficiency.

[0012] The utility model provides an automatic sewing device for sofa cover fabrics, which has the following beneficial effects:

[0013] 1. The bending plate can be fixed at a free position in the arc groove by flipping the back, and the angle of the bending plate will make the thread body tighten, and one end of the passed thread body will be connected to the through groove in the U-shaped guide piece, and then the inserted U-shaped guide piece will be fixedly connected by the fastening nut, and the fabric thread body passing obliquely downward will extend to the outer arc surface of the guide wheel for winding, which can achieve the elevation adjustment of the needle and thread guide according to various fabrics or actual usage needs, thereby achieving a stable combination.

[0014] 2. By controlling the rotation of the mounting support rod on the supporting section, the connecting shaft installed on the bottom shaft seat will slide in the sliding groove. During the upward movement, the connecting rod will move upward. Conversely, the downward movement can control the distance of the guide wheel approaching the fabric downward, thereby driving the fabric to move forward. There is no need for manual push to drive the fabric forward, which improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0016] Figure 1 This is a schematic diagram of the front structure of the sewing local device of the utility model;

[0017] Figure 2 It is a schematic diagram of the back structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the disassembled structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the top view structure of the utility model;

[0020] Figure 5 It is a schematic diagram of the overall structure of the utility model.

[0021] In the figure: 1, supporting section; 101, guiding section; 102, corresponding hole; 103, connecting hole; 2, bending plate; 201, base plate; 202, wire feeding hole; 203, arc groove; 3, connecting rod; 301, sliding groove; 4, connecting shaft; 5, mounting support rod; 6, spring; 7, guide wheel; 8, U-shaped guide piece; 801, extension section; 802, through groove; 9, fastening nut; 10, sewing machine body. DETAILED DESCRIPTION

[0022] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment in size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0023] See also Figures 1 to 4The utility model provides a technical solution: an automatic sewing device for sofa cover fabrics, comprising a supporting section 1, a guiding section 101 is provided on the bottom wall of one side of the supporting section 1, a corresponding hole 102 is provided on the upper surface of the guiding section 101, a connecting hole 103 is provided on the top of one side surface of the guiding section 101, a bending plate 2 is fixedly installed on one side of the connecting hole 103 by bolts, a base plate 201 is provided on one side of the bending plate 2, a wire feeding hole 202 is provided on the upper surface of the base plate 201, an arc groove 203 is provided on one side surface of the bending plate 2, the arc groove 203 on one side of the bending plate 2 is fixedly installed on the surface of the guiding section 101 by bolts, a connecting rod 3 is movably connected to the middle part of one side surface of the guiding section 101 through a rotating shaft, a sliding groove 301 is provided on one side surface of the connecting rod 3, the number of connecting holes 103 is three, and they are evenly distributed in the form of a transverse array, a plurality of connecting holes 103 correspond to the corresponding holes 102, and a connecting shaft 4 is slidably clamped on the inner side wall of the sliding groove 301.

[0024] By flipping the rear bending plate 2, it can be fixed in a free position in the arc groove 203, and the angle flipping of the bending plate 2 will tighten the thread, and one end of the passed thread will be connected to the through groove 802 in the U-shaped guide piece 8, and then the inserted U-shaped guide piece 8 is fixedly connected by the fastening nut 9, and the fabric thread passing obliquely downward extends to the outer arc surface of the guide wheel 7 for winding, so that the elevation angle of the needle and thread guide can be adjusted according to various fabrics or actual usage requirements, thereby achieving a stable combination.

[0025] The connecting shaft 4 passes through the mounting support rod 5 at one end of the sliding groove 301, and an axle seat is provided on one side of the mounting support rod 5. A spring 6 is movably sleeved on the outer arc surface of the mounting support rod 5, and one end of the spring 6 is fixedly mounted on the surface of the mounting support rod 5. The end of the mounting support rod 5 away from the axle seat is movably connected to the surface of one side of the support section 1. The side of the connecting rod 3 away from the support section 1 is movably connected with a guide wheel 7 through a rotating shaft, and the guide wheel 7 is adapted to the connecting hole 103. A U-shaped guide piece 8 is penetrated and connected on the guide section 101 at the bottom end of the lower surface of the support section 1, and an extension section 801 is provided on one side of the U-shaped guide piece 8. A through groove 802 is opened on the upper surface of the U-shaped guide piece 8, and a fastening nut 9 is penetrated and connected on the through groove 802 on the upper surface of the U-shaped guide piece 8, and the fastening nut 9 passes through the corresponding hole 102. One side of the U-shaped guide piece 8 passes through the guide section 101, and a sewing machine body 10 is fixedly mounted on the lower surface of the support section 1.

[0026] By controlling the rotation of the mounting support rod 5 on the supporting section 1, the connecting shaft 4 installed on the bottom shaft seat will slide in the sliding groove 301, and the connecting rod 3 will move upward during the upward movement, and vice versa, the downward movement can control the distance of the guide wheel 7 approaching the fabric downward, thereby driving the fabric to move forward. There is no need for manual push to drive the fabric forward, which improves work efficiency.

[0027] In the utility model, the working steps of the device are as follows:

[0028] When the fabric line passes through the wire feeding hole 202, the support of the bending plate 2 can be flipped in the arc groove 203 on one side, and the bending plate 2 can be fixed in a free position in the arc groove 203 after flipping, and the angle flipping of the bending plate 2 will tighten the line, and one end of the passed line will be connected to the through groove 802 in the U-shaped guide plate 8, and then the inserted U-shaped guide plate 8 is fixedly connected by the fastening nut 9, and the fabric line passing obliquely downward extends all the way to the outer arc surface of the guide wheel 7 for winding, and in order to be able to adjust according to the thickness of the fabric, the rotation of the mounting support rod 5 on the support section 1 is controlled so that the connecting shaft 4 installed on the bottom shaft seat will slide and move in the sliding groove 301, and the connecting rod 3 will move upward during the upward movement, and vice versa, the downward movement can control the distance of the guide wheel 7 approaching the fabric downward, thereby driving the fabric to move forward, and no manual push is required to drive the fabric forward, thereby improving work efficiency.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic sewing device for sofa cover fabrics, comprising a supporting section (1), characterized in that: A guide section (101) is provided on the bottom wall of one side of the support section (1), a corresponding hole (102) is provided on the upper surface of the guide section (101), a connecting hole (103) is provided on the top of one side surface of the guide section (101), a bending plate (2) is fixedly installed on one side of the connecting hole (103) by bolts, a base plate (201) is provided on one side of the bending plate (2), a wire feeding hole (202) is provided on the upper surface of the base plate (201), an arc groove (203) is provided on one side surface of the bending plate (2), the arc groove (203) on one side of the bending plate (2) is fixedly installed on the surface of the guide section (101) by bolts, a connecting rod (3) is movably connected to the middle part of one side surface of the guide section (101) by a rotating shaft, and a sliding groove (301) is provided on one side surface of the connecting rod (3).

2. The automatic sewing device for sofa cover fabric according to claim 1, characterized in that: The number of the connection holes (103) is three and they are evenly distributed in the form of a transverse array. Several of the connection holes (103) correspond to the corresponding holes (102). The inner side wall of the sliding groove (301) is slidably engaged with a connection shaft (4).

3. The automatic sewing device for sofa cover fabric according to claim 2, characterized in that: The connecting shaft (4) passes through a mounting support rod (5) at one end of the sliding groove (301), a shaft seat is provided on one side of the mounting support rod (5), a spring (6) is movably sleeved on the outer arc surface of the mounting support rod (5), and one end of the spring (6) is fixedly mounted on the surface of the mounting support rod (5).

4. The automatic sewing device for sofa cover fabric according to claim 3 is characterized in that: The end of the mounting support rod (5) away from the shaft seat is movably connected to a side surface of the support section (1), and the side of the connecting rod (3) away from the support section (1) is movably connected to a guide wheel (7) via a rotating shaft, and the guide wheel (7) is adapted to the connecting hole (103).

5. The automatic sewing device for sofa cover fabric according to claim 4, characterized in that: A U-shaped guide piece (8) is connected through the guide piece (101) at the bottom end of the lower surface of the support piece (1), and an extension section (801) is provided on one side of the U-shaped guide piece (8).

6. The automatic sewing device for sofa cover fabric according to claim 5, characterized in that: A through groove (802) is provided on the upper surface of the U-shaped guide piece (8), and a fastening nut (9) is connected through the through groove (802) on the upper surface of the U-shaped guide piece (8).

7. The automatic sewing device for sofa cover fabric according to claim 6, characterized in that: The fastening nut (9) penetrates into the corresponding hole (102), one side of the U-shaped guide piece (8) penetrates into the guide section (101), and the lower surface of the support section (1) is fixedly mounted with a sewing machine body (10).

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