CN216237599U

CN216237599U - Sewing machine with feeding tension device

Info

Publication number: CN216237599U
Application number: CN202122653806.9U
Authority: CN
Inventors: 宋海英; 王晓燕; 冯大兵; 董绪翠
Original assignee: Shandong Weiqiao Jiajia Home Textile Co ltd
Current assignee: Shandong Weiqiao Jiajia Home Textile Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-08
Anticipated expiration: 2031-10-29

Abstract

The sewing machine with the feeding tension device comprises a workbench and a sewing machine body arranged on the workbench, wherein a groove hole formed in one side of the sewing machine body is formed in the workbench, a fixed roller is rotatably arranged in the groove hole, a supporting rod which is bent at a right angle and extends above the groove hole is arranged on one side of the groove hole, an extrusion roller which is in contact with the fixed roller is rotatably arranged on the supporting rod, and the supporting rod is arranged on the workbench through a height adjusting assembly. The fixed roller and the extrusion roller are matched with each other, and materials to be sewn pass through the fixed roller and the extrusion roller, so that the materials are pulled to pass through, and meanwhile, the resistance of the materials to move is increased by the driving of the two rollers, so that the materials are always in a flat state when passing through the sewing machine body; meanwhile, the different forces in the operation process are offset, so that wrinkles are reduced, and the sewing quality of finished products is finally improved.

Description

Sewing machine with feeding tension device

Technical Field

The utility model belongs to the technical field of sewing machines, and particularly relates to a sewing machine with a feeding tensioning 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.

Therefore, the production efficiency of the sewing machine for the clothes and the related production enterprises can be greatly improved. At present, the sewing materials are not attractive and various, and the sewing materials are mainly manually operated, wherein particularly when the materials are fed, the processed materials are lighter in weight, and the manual feeding can cause the difference of the operating force on the materials, so that wrinkles appear in the material feeding process, and the wrinkles can be fixed after sewing; in addition, after a long time of operation, the precision of the operation is further reduced, and the quality of the finished product is further affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sewing machine with a feeding tension device, which aims to solve the problem that sewn finished products have different wrinkle degrees due to light material weight and incapability of fixing the operation force of manual auxiliary feeding.

The utility model is realized by the following technical scheme:

the utility model provides a sewing machine with feeding straining device, include the workstation, set up in sewing machine body on the workstation, set up on the workstation set up in the slotted hole of sewing machine body one side, the slotted hole internal rotation is equipped with the fixed roll, one side of slotted hole is equipped with and is the right angle and bends the form and extend to the bracing piece of slotted hole top, rotate on the bracing piece be equipped with the squeeze roll that the fixed roll contacted, the bracing piece pass through the altitude mixture control subassembly install in on the workstation. The fixed roller and the extrusion roller are matched with each other, and materials to be sewn pass through the fixed roller and the extrusion roller, so that the materials are pulled to pass through, and meanwhile, the resistance of the materials to move is increased by the driving of the two rollers, so that the materials are always in a flat state when passing through the sewing machine body; meanwhile, the different forces in the operation process are offset, so that wrinkles are reduced, and the sewing quality of finished products is finally improved.

The utility model is further improved in that the height adjusting assembly comprises a fixed seat and a screwing block, wherein the fixed seat is provided with an inwards concave thread groove, the screwing block is rotatably arranged at the lower part of the vertical rod section of the supporting rod, and the screwing block is provided with an external thread matched with the thread groove. The support rod is fixed on the workbench by screwing the screwing block into the threaded groove, so that the extrusion roller is in contact with the fixed roller.

The utility model is further improved in that a guide cylinder is arranged in the thread groove; the support rod below the screwing block is matched with the guide cylinder. The guide cylinder in the thread groove is matched with the supporting rod, and when the guide cylinder is fixed on the fixing seat through the screwing block, the stable supporting strength of the supporting rod is increased through the guide cylinder.

In a further improvement of the present invention, the inner hole of the guide cylinder is in a shape of a polygonal rod as a whole. The inner wall is a guide cylinder in the shape of a multi-prism rod to limit the circumferential angle of the supporting rod, and the axial lead of the fixed roller is ensured to be parallel to the axial lead of the extrusion roller, so that the material is ensured to be compressed.

The utility model further improves that the bending part of the support rod is provided with a reinforcing rib. The structural strength of the supporting rod, particularly at the bending position, is improved through the reinforcing ribs, and the condition that the material is compressed tightly due to the uneven influence of the contact pressure of the extrusion pipe and the fixed roller is avoided.

In a further development of the utility model, the top surface of the fixed roller is lower than the table surface of the table. Thereby reducing the height of the squeeze roller arranged above the fixed roller, improving the visual effect of operators and reducing the space occupation of the working table.

The utility model is further improved by that the two fixed rollers are arranged side by side, and a gap is reserved between the two fixed rollers; the squeeze roll is in contact with two fixed rolls. Two fixed rolls side by side cooperate with the squeeze roll, increase the area of contact of material and roll surface, increase to with the speed control of material feeding.

According to the technical scheme, the utility model has the beneficial effects that: the fixed roller and the extrusion roller are matched with each other, and materials to be sewn pass through the fixed roller and the extrusion roller, so that the materials are pulled to pass through, and meanwhile, the resistance of the materials to move is increased by the driving of the two rollers, so that the materials are always in a flat state when passing through the sewing machine body; meanwhile, the different forces in the operation process are offset, so that wrinkles are reduced, and the sewing quality of finished products is finally improved.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of a combination structure of a fixed roll and a pressing roll according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a squeeze roller and a support bar according to an embodiment of the present invention.

Fig. 4 is a schematic view of a fixing base according to an embodiment of the present invention.

In the drawings: 1. the device comprises a workbench, 2, a sewing machine body, 3, a groove hole, 4, a fixed roller, 5, a squeeze roller, 6, a support rod, 61, a reinforcing rib, 7, a screwing block, 8, a fixed seat, 81, a thread groove, 82 and a guide cylinder.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

As shown in the attached drawing, the sewing machine with the feeding tensioning device comprises a workbench 1 and a sewing machine body 2 arranged on the workbench 1, wherein a groove hole 3 arranged on one side of the sewing machine body 2 is formed in the workbench 1, a fixing roller 4 is arranged in the groove hole 3 in a rotating mode, the fixing roller 4 is arranged between the sewing machine body 2 and an operator, and the axial lead of the fixing roller 4 is perpendicular to the feeding direction of materials. The feeding direction of the material is not affected. Two parallel fixed rollers 4 are arranged on the same horizontal plane, and a gap is reserved between the two fixed rollers 4. Ensuring that friction occurs between the two fixed rollers 4. The top surface of the fixed roller 4 is lower than the table top of the working table 1. The visual field effect of the operator is improved, and the space occupation of the table top of the workbench 1 is reduced.

A fixed seat 8 is arranged on one side of the slotted hole 3, an inwards concave threaded groove 81 is arranged on the fixed seat 8, and a guide cylinder 82 is arranged in the threaded groove 81; the inner hole of the guide cylinder 82 is in a multi-edge rod shape as a whole.

A supporting rod 6 which is bent at a right angle and extends to the upper part of the slotted hole 3 is arranged in the fixed seat 8, and a squeezing roller 5 which is contacted with the fixed roller 4 is rotatably arranged on the supporting rod 6. The squeezing rollers 5 are in contact with the roller surfaces of the two fixed rollers 4, and the axial lines of the squeezing rollers 5 are parallel to the axial lines of the fixed rollers 4. Two fixed rolls 4 side by side cooperate with squeeze roll 5, increase the area of contact of material and roll surface, increase to with the speed control of material feeding.

The lower part of the vertical rod section of the support rod 6 is rotatably provided with a screwing block 7, and the screwing block 7 is provided with an external thread matched with the thread groove 81. The support rod 6 is fixed on the workbench 1 through the matching of the screwing block 7 and the thread groove 81. The cross section of the support rod 6 below the screwing block 7 is matched with the inner wall of the guide cylinder 82. After the support rod 6 below the screwing block 7 is inserted into the guide cylinder 82, the circumferential angle of the support rod 6 is limited by the mutually matched cross-sectional shapes, and the contact surface between the extrusion roller 5 and the two fixed rollers 4 is ensured. Meanwhile, the depth of the screwing block 7 entering the thread groove 81 is adjusted, so that the contact surface or the distance between the extrusion roller 5 and the fixed roller 4 is adjusted, and the thickness of different materials is adapted.

And reinforcing ribs 61 are arranged at the bending positions of the supporting rods 6. The reinforcing ribs 61 improve the structural strength of the support rod 6, particularly at the bending position, and the condition that the pressing effect of the material is compressed due to the uneven influence of the contact pressure of the extrusion pipe and the fixed roller 4 is avoided.

In conclusion, when the device is used, the support rod 6 with the squeezing roller 5 is firstly installed in the fixing seat 8 in advance, materials penetrate between the squeezing roller 5 and the fixing roller 4, then the depth of the screwing block 7 entering the thread groove 81 is adjusted according to the thickness of the materials, the distance between the squeezing roller 5 and the fixing roller 4 is coordinated, the rotation of the squeezing roller 5 and the fixing roller 4 can be driven when the materials are dragged, so that the resistance in the material moving process is formed, and the materials are in a smooth state to be processed when entering the lower portion of the sewing machine body 2 to be sewn.

According to the sewing machine with the feeding tensioning device, the fixed roller and the extrusion roller are matched with each other, and materials to be sewn penetrate between the fixed roller and the extrusion roller, so that the materials are pulled to penetrate, and meanwhile, the resistance of the materials to move is increased by driving the two rollers, so that the materials are always in a flat state when passing through the sewing machine body; meanwhile, the different forces in the operation process are offset, so that wrinkles are reduced, and the sewing quality of finished products is finally improved.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings are used for distinguishing relative positions if any, and are not necessarily given qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a sewing machine with feeding straining device, its characterized in that, including workstation (1), set up in sewing machine body (2) on workstation (1), seted up on workstation (1) set up in slotted hole (3) of sewing machine body (2) one side, slotted hole (3) internal rotation is equipped with fixed roll (4), one side of slotted hole (3) is equipped with and is the right angle form of bending and extends to bracing piece (6) of slotted hole (3) top, rotate on bracing piece (6) be equipped with squeeze roll (5) that fixed roll (4) contacted, bracing piece (6) through height adjusting part install in on workstation (1).

2. The sewing machine with the feeding tension device as claimed in claim 1, wherein the height adjustment assembly comprises a fixed seat (8) and a tightening block (7), the fixed seat (8) is provided with a concave thread groove (81), the tightening block (7) is rotatably arranged at the lower part of the vertical rod section of the support rod (6), and the tightening block (7) is provided with an external thread matched with the thread groove (81).

3. A sewing machine with a feed tension device according to claim 2, characterized in that a guide cylinder (82) is provided in the thread groove (81); the part of the support rod (6) below the screwing block (7) is matched with the guide cylinder (82).

4. A sewing machine with feed tension device as claimed in claim 3, characterized in that the inner bore of the guide cylinder (82) is of a polygonal rod shape as a whole.

5. Sewing machine with feed tension device according to claim 1, characterized in that the bend of the support bar (6) is provided with a reinforcement (61).

6. Sewing machine with feed tensioning device according to claim 1, characterized in that the top surface of the fixed roller (4) is lower than the table of the table (1).

7. Sewing machine with feed tensioning device according to claim 1, characterized in that said fixed rollers (4) are provided two side by side, leaving a gap between the two fixed rollers (4); the squeezing roller (5) is in contact with the two fixed rollers (4).