CN220724498U - A buttonhole sewing machine - Google Patents

Abstract

The utility model relates to the technical field of sewing machine equipment, and discloses a buttonhole sewing machine, including a workbench, an active turntable is arranged on the outside of the sewing machine box, the outside of the sewing machine box is fixedly connected to a hydraulic box, the outside of the turntable is rotatably connected to a cutter wheel, and the output end of the hydraulic press penetrates into the inside of the hydraulic hole and is fixedly connected to the cutter wheel frame. The utility model has the following advantages and effects: the staff fixes the cloth with a cloth pressing plate, and then starts the hydraulic press, so that the output end of the hydraulic press drives the cutter wheel frame to move downward, and when the cutter wheel contacts the upper surface of the cloth, the staff rotates the handle, and the handle drives the cutter wheel to rotate, and the cloth is opened through the buttonhole groove, and then the staff rotates the active turntable, so that the sewing needle is driven to sew the opened buttonhole inside the opened buttonhole cloth by rotating the active turntable, and the above operation achieves a good effect of sewing the buttonhole.

Description

A buttonhole sewing machine

Technical Field

The utility model relates to the technical field of sewing machine equipment, in particular to a buttonhole sewing machine.

Background technique

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the sewing material, so that one or more layers of sewing materials are interwoven or sewn together. It can sew cotton, linen, silk, wool, artificial fiber and other fabrics and leather, plastic, paper and other products. The stitches are neat, beautiful, flat and firm, with fast sewing speed and easy use. It has also derived art forms such as hand-push embroidery and computer embroidery.

In the prior art, Chinese Patent Publication No. CN101935921B discloses a buttonhole sewing machine, which does not require a conveying device for the sewn article, and can reduce the burden of the feeding operation of the sewn article by the operator. The buttonhole sewing machine comprises: a feeding table (10), which carries the sewn article so that the sewn article can move horizontally relative to the vertical movement position of the machine needle; and a guide part (25A), which is arranged on the feeding table, connected to an edge of the sewn article and guides the sewn article in a direction along the aforementioned edge. The buttonhole sewing machine forms a buttonhole stitch by performing a lock stitch around the hole position in a sewing cycle, and forms a plurality of buttonhole stitches along the aforementioned edge of the sewn article at set intervals. It is characterized in that it has an indicating unit (40), which indicates the position where the hole of the buttonhole stitch formed by the previous sewing should be located when the buttonhole stitch forming part of the sewn article is set at the vertical movement position of the machine needle.

During use, this type of buttonhole sewing machine is not equipped with a thread breaking mechanism, resulting in that the buttonhole sewing machine can only cut buttonholes on fabric and sew buttonholes. After sewing is completed, the thread on the needle cannot be cut off and needs to be cut with scissors each time, resulting in poor use effect of the buttonhole sewing machine, and therefore needs to be improved.

Utility Model Content

The utility model aims to provide a buttonhole sewing machine which has good effects of opening buttonholes on cloth and sewing buttonholes.

The above technical objectives of the utility model are achieved through the following technical solutions: a buttonhole sewing machine comprises a workbench, the upper surface of the workbench is fixedly connected to a sewing plate, the bottom of the workbench is fixedly connected to a pillar, the bottom of the pillar is fixedly connected to a supporting pillar, the upper surface of the sewing plate is fixedly connected to a sewing machine box, a rotating hole is opened inside the sewing machine box, a rotating rod is arranged inside the sewing machine box, an active turntable is arranged outside the sewing machine box, a driven turntable is arranged inside the sewing machine box, one end of the rotating rod passes through the inside of the rotating hole and is fixedly connected to the active turntable, the other end of the rotating rod is fixedly connected to the driven turntable, the outside of the driven turntable is rotatably connected to a rotating piece, the outside of the rotating piece is fixedly connected to a bearing column, the outside of the driven turntable is A protective shell is provided on the part, one end of the bearing column is fixedly connected to the rotating piece, and the other end of the bearing column is fixedly connected to the protective shell, the outside of the bearing column is fixedly connected to the bracket, the outside of the bracket is fixedly connected to the cylindrical sleeve, the inside of the cylindrical sleeve is plugged with a sewing needle, the outside of the sewing machine box is fixedly connected to the hydraulic box, the inside of the hydraulic box is fixedly connected to the hydraulic press, a hydraulic hole is provided inside the hydraulic box, a cutter wheel frame is provided on one side of the bottom of the hydraulic box, the inside of the cutter wheel frame is fixedly connected to a rotating column, the outside of the rotating column is rotatably connected to the cutter wheel, the output end of the hydraulic press passes through the inside of the hydraulic hole and is fixedly connected to the cutter wheel frame, the inside of the cutter wheel frame is provided with a through hole groove, one end of the rotating column passes through the outside of the through hole groove, and one end of the rotating column is fixedly connected to the turning handle.

By adopting the above technical solution, the staff rotates the cloth pressing plate, places the cloth on the bottom of the cloth pressing plate, and then fixes the cloth with the cloth pressing plate, then passes the sewing thread through the column eye and the inside of the sewing needle, and ties a knot with the sewing thread on the outside of the sewing needle, and then starts the hydraulic press, the hydraulic press starts to work, the output end of the hydraulic press passes through the inside of the hydraulic hole and is fixedly connected to the cutter wheel frame, so that the output end of the hydraulic press drives the cutter wheel frame to move downward, the inside of the cutter wheel frame is fixedly connected to the rotating column, and the outside of the rotating column is rotatably connected to the cutter wheel. When the cutter wheel contacts the upper surface of the cloth, the staff rotates the handle, and the handle drives the cutter wheel to rotate, and the cloth is opened through the keyhole groove, and then Then the staff rotates the active turntable, one end of the rotating rod passes through the interior of the rotating hole and is fixedly connected to the active turntable, the other end of the rotating rod is fixedly connected to the driven turntable, the outside of the driven turntable is rotatably connected to the rotating piece, the outside of the rotating piece is fixedly connected to the bearing column, and a protective shell is provided on the outside of the driven turntable, one end of the bearing column is fixedly connected to the rotating piece, the other end of the bearing column is fixedly connected to the protective shell, the outside of the bearing column is fixedly connected to the bracket, the outside of the bracket is fixedly connected to the cylindrical sleeve, and the sewing needle is inserted into the inside of the cylindrical sleeve. Therefore, the sewing needle is driven to sew the opened buttonhole inside the opened buttonhole fabric by rotating the active turntable, and the best sewing effect of the buttonhole is achieved through the above operations.

The utility model is further configured as follows: a cutting hole is provided inside the sewing plate, the upper surface of the sewing plate is fixedly connected to a rotating shaft, a cloth pressing plate is provided outside the rotating shaft, and a keyhole groove is provided inside the cloth pressing plate.

By adopting the above technical solution, the cutting holes and keyhole grooves facilitate the cutter wheel to position the fabric and cut the fabric opening.

The utility model is further configured as follows: the bottom of the protective shell is fixedly connected to a long rod, and the outside of the long rod is fixedly connected to a guide fork.

By adopting the above technical solution, the guide fork enables the sewing needle to sew the fabric opening in the same direction, thereby accelerating the sewing efficiency of the buttonhole.

The utility model is further configured as follows: the outside of the guide fork is fixedly connected to a thread cutting head, and the number of the thread cutting heads is two.

By adopting the above technical solution, after sewing the buttonhole, the two thread cutting heads facilitate cutting the sewing thread on the sewing needle, making it convenient for the sewing needle to sew the next buttonhole.

The utility model is further configured as follows: the upper surface of the sewing machine box is rotatably connected to a thread winding post, the upper surface of the thread post is fixedly connected to a post eye, the upper surface of the thread winding post is provided with sewing thread, and the sewing thread respectively penetrates into the post eye and the inside of the sewing needle.

By adopting the above technical solution, the thread winding column facilitates the routing of the sewing thread on the sewing needle and prevents the sewing thread from being tangled.

The utility model is further configured as follows: the bottom of the workbench is fixedly connected to a placement rack, and a placement plate is arranged outside the placement rack.

By adopting the above technical solution, the placement plate is convenient for placing the processed cloth.

The beneficial effects of the utility model are:

1. The utility model, through the arrangement among the workbench, sewing plate, pillar, supporting pillar, sewing machine box, rotating hole, rotating rod, active turntable, driven turntable, rotating sheet, bearing column, protective shell, bracket, cylindrical sleeve, sewing needle, hydraulic box, hydraulic press, hydraulic hole, cutter wheel frame, rotating column, cutter wheel, through hole groove and turning handle, by adopting the above technical scheme, the staff rotates the cloth pressing plate, puts the cloth on the bottom of the cloth pressing plate, and then fixes the cloth with the cloth pressing plate, then passes the sewing thread through the column eye and the inside of the sewing needle, and ties a knot of the sewing thread on the outside of the sewing needle, and then starts the hydraulic press, the hydraulic press starts to work, the output end of the hydraulic press passes through the inside of the hydraulic hole and is fixedly connected to the cutter wheel frame, so the output end of the hydraulic press drives the cutter wheel frame to move downward, the inside of the cutter wheel frame is fixedly connected to the rotating column, and the outside of the rotating column is rotatably connected to the cutter wheel frame Wheel, when the knife wheel contacts the upper surface of the cloth, the staff turns the handle, and the handle drives the knife wheel to rotate, and the cloth is opened through the keyhole groove. Then the staff turns the active turntable, one end of the rotating rod penetrates into the interior of the rotating hole and is fixedly connected to the active turntable, the other end of the rotating rod is fixedly connected to the driven turntable, the outside of the driven turntable is rotatably connected to the rotating piece, the outside of the rotating piece is fixedly connected to the bearing column, and a protective shell is provided on the outside of the driven turntable, one end of the bearing column is fixedly connected to the rotating piece, and the other end of the bearing column is fixedly connected to the protective shell, the outside of the bearing column is fixedly connected to the bracket, the outside of the bracket is fixedly connected to the cylindrical sleeve, and the sewing needle is inserted into the inside of the cylindrical sleeve. Therefore, the sewing needle is driven by rotating the active turntable to sew the opened keyhole inside the opened keyhole cloth, and the best sewing effect of the keyhole is achieved through the above operations.

2. The utility model, through the arrangement among the cutting hole, the rotating shaft, the cloth pressing plate, the buttonhole groove, the placing plate, the long rod, the guide fork, the thread cutting head, the thread column, the column eye, the sewing thread and the placing frame, the cutting hole and the buttonhole groove facilitate the knife wheel to position the cloth and cut the cloth opening, the guide fork enables the sewing needle to sew the cloth opening opened in the same direction, and accelerates the sewing efficiency of the buttonhole, after sewing the buttonhole, the two thread cutting heads facilitate the cutting of the sewing thread on the sewing needle and facilitate the sewing of the next buttonhole by the sewing needle, the thread winding column facilitates the routing of the sewing thread on the sewing needle and prevents the sewing thread from being tangled together, and the placing plate facilitates the placement of the processed cloth.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. 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 creative work.

Fig. 1 is a schematic diagram of the structure of the utility model;

FIG2 is a schematic diagram of the structure of the active turntable and the driven turntable of the utility model;

Figure 3 is a schematic diagram of the structure of the hydraulic press and the cutter wheel frame of the utility model;

FIG. 4 is a schematic diagram of the structure of a sewing machine box and a sewing plate of the utility model.

In the figure, 1, workbench; 2, sewing board; 3, pillar; 4, supporting column; 5, sewing machine box; 6, rotating hole; 7, rotating rod; 8, active turntable; 9, driven turntable; 10, rotating plate; 11, bearing column; 12, protective shell; 13, bracket; 14, cylindrical sleeve; 15, sewing needle; 16, hydraulic box; 17, hydraulic press; 18, hydraulic hole; 19, cutter wheel frame; 20, rotating column; 21, cutter wheel; 22, hole groove; 23, turning handle; 24, cutting hole; 25, rotating shaft; 26, cloth pressing plate; 27, keyhole groove; 28, placing plate; 29, long rod; 30, guide fork; 31, thread cutting head 32, thread winding column; 33, column eye; 34, sewing thread; 35, placing rack.

Detailed ways

The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Referring to Figs. 1-4, a buttonhole sewing machine comprises a workbench 1, the upper surface of the workbench 1 is fixedly connected to a sewing plate 2, the bottom of the workbench 1 is fixedly connected to a pillar 3, the bottom of the pillar 3 is fixedly connected to a supporting pillar 4, the upper surface of the sewing plate 2 is fixedly connected to a sewing machine box 5, a rotating hole 6 is provided inside the sewing machine box 5, a rotating rod 7 is provided inside the sewing machine box 5, an active turntable 8 is provided outside the sewing machine box 5, a driven turntable 9 is provided inside the sewing machine box 5, one end of the rotating rod 7 passes through the inside of the rotating hole 6 and is fixedly connected to the active turntable 8, and the rotating rod 7 is provided inside the sewing machine box 5. The other end of 7 is fixedly connected to the driven turntable 9, the outside of the driven turntable 9 is rotatably connected to the rotating plate 10, the outside of the rotating plate 10 is fixedly connected to the bearing column 11, the outside of the driven turntable 9 is provided with a protective shell 12, one end of the bearing column 11 is fixedly connected to the rotating plate 10, the other end of the bearing column 11 is fixedly connected to the protective shell 12, the outside of the bearing column 11 is fixedly connected to the bracket 13, the outside of the bracket 13 is fixedly connected to the cylindrical sleeve 14, the inside of the cylindrical sleeve 14 is plugged with a sewing needle 15, the outside of the sewing machine case 5 is fixedly connected to the hydraulic box 16, the inside of the hydraulic box 16 The hydraulic press 17 is fixedly connected, a hydraulic hole 18 is provided inside the hydraulic box 16, a cutter wheel frame 19 is provided on one side of the bottom of the hydraulic box 16, the inside of the cutter wheel frame 19 is fixedly connected to a rotating column 20, the outside of the rotating column 20 is rotatably connected to a cutter wheel 21, the output end of the hydraulic press 17 passes through the inside of the hydraulic hole 18 and is fixedly connected to the cutter wheel frame 19, a through hole groove 22 is provided inside the cutter wheel frame 19, one end of the rotating column 20 passes through the outside of the through hole groove 22, one end of the rotating column 20 is fixedly connected to a turning handle 23, and the staff rotates the cloth pressing plate 26 to place the cloth on the cloth pressing plate The bottom of the plate 26 is moved to the bottom of the plate 26, and the cloth is fixed with the cloth pressing plate 26. Then, the sewing thread 34 is passed through the column eye 33 and the inside of the sewing needle 15, and the sewing thread 34 is tied into a knot outside the sewing needle 15. Then, the hydraulic press 17 is started, and the hydraulic press 17 starts to work. The output end of the hydraulic press 17 passes through the inside of the hydraulic hole 18 and is fixedly connected to the cutter wheel frame 19. Therefore, the output end of the hydraulic press 17 drives the cutter wheel frame 19 to move downward. The inside of the cutter wheel frame 19 is fixedly connected to the rotating column 20, and the outside of the rotating column 20 is rotatably connected to the cutter wheel 21. When the cutter wheel 21 is in contact with the cloth When the upper surface of the material is in contact, the staff turns the handle 23, the handle 23 drives the knife wheel 21 to rotate, and the cloth is opened through the keyhole groove 27. Then the staff turns the active turntable 8, one end of the rotating rod 7 passes through the inside of the rotating hole 6 and is fixedly connected to the active turntable 8, the other end of the rotating rod 7 is fixedly connected to the driven turntable 9, the outside of the driven turntable 9 is rotatably connected to the rotating piece 10, the outside of the rotating piece 10 is fixedly connected to the bearing column 11, the outside of the driven turntable 9 is provided with a protective shell 12, one end of the bearing column 11 is fixedly connected to the rotating piece 10, and the bearing The other end of the column 11 is fixedly connected to the protective shell 12, the outside of the bearing column 11 is fixedly connected to the bracket 13, the outside of the bracket 13 is fixedly connected to the cylindrical sleeve 14, and the sewing needle 15 is inserted into the inside of the cylindrical sleeve 14, so the sewing needle 15 is driven by rotating the active turntable 8 to sew the opened keyhole inside the opened keyhole fabric, and the above operation achieves a good effect of sewing the keyhole, and a cutting hole 24 is opened inside the sewing plate 2, and the upper surface of the sewing plate 2 is fixedly connected to the rotating shaft 25, and a cloth pressing plate 26 is arranged outside the rotating shaft 25, and the cloth pressing plate 26 A keyhole groove 27 is provided inside, and the cutting hole 24 and the keyhole groove 27 facilitate the cutter wheel 21 to position the cloth and cut the cloth opening. The bottom of the protective shell 12 is fixedly connected to a long rod 29, and the outside of the long rod 29 is fixedly connected to a guide fork 30. The guide fork 30 enables the cloth openings opened by the sewing needle 15 to be sewn in the same direction, thereby accelerating the sewing efficiency of the keyhole. The outside of the guide fork 30 is fixedly connected to a thread cutting head 31, and the number of the thread cutting heads 31 is two. After sewing the keyhole, the two thread cutting heads 31 facilitate cutting of the sewing thread 34 on the sewing needle 15. To facilitate the sewing of the next buttonhole by the sewing needle 15, the upper surface of the sewing machine case 5 is rotatably connected to the thread winding post 32, and the upper surface of the thread winding post 32 is fixedly connected to the column eye 33. The upper surface of the thread winding post 32 is provided with a sewing thread 34, and the sewing thread 34 respectively penetrates into the column eye 33 and the interior of the sewing needle 15. The thread winding post 32 facilitates the routing of the sewing thread 34 on the sewing needle 15 and prevents the sewing thread 34 from being entangled. The bottom of the workbench 1 is fixedly connected to the placement rack 35, and the outside of the placement rack 35 is provided with a placement plate 28. The placement plate 28 is convenient for placing the processed fabrics.

In the utility model, the staff rotates the cloth pressing plate 26, puts the cloth on the bottom of the cloth pressing plate 26, and then fixes the cloth with the cloth pressing plate 26, then passes the sewing thread 34 through the column eye 33 and the inside of the sewing needle 15, and ties a knot of the sewing thread 34 on the outside of the sewing needle 15, and then starts the hydraulic press 17, the hydraulic press 17 starts to work, and the output end of the hydraulic press 17 penetrates into the inside of the hydraulic hole 18 and is fixedly connected to the cutter wheel frame 19, so that the output end of the hydraulic press 17 drives the cutter wheel frame 19 to move downward, and the cutter wheel frame 19 The interior of 9 is fixedly connected to the rotating column 20, and the exterior of the rotating column 20 is rotatably connected to the cutting wheel 21. When the cutting wheel 21 contacts the upper surface of the cloth, the staff rotates the turning handle 23, and the turning handle 23 drives the cutting wheel 21 to rotate, and the cloth is opened through the keyhole groove 27. Then the staff rotates the active turntable 8, and one end of the rotating rod 7 passes through the interior of the rotating hole 6 and is fixedly connected to the active turntable 8, and the other end of the rotating rod 7 is fixedly connected to the driven turntable 9, and the exterior of the driven turntable 9 is rotatably connected to the rotating piece 10, and the exterior of the rotating piece 10 is fixedly connected to the rotating piece 10. The driven turntable 9 is connected to the bearing column 11, and a protective shell 12 is arranged on the outside of the driven turntable 9. One end of the bearing column 11 is fixedly connected to the rotating piece 10, and the other end of the bearing column 11 is fixedly connected to the protective shell 12. The outside of the bearing column 11 is fixedly connected to the bracket 13, and the outside of the bracket 13 is fixedly connected to the cylindrical sleeve 14. The inside of the cylindrical sleeve 14 is plugged with a sewing needle 15. Therefore, by rotating the active turntable 8, the sewing needle 15 is driven to sew the opened buttonhole inside the opened buttonhole fabric. Through the above operation, the best sewing effect of the buttonhole is achieved. The cutting hole 24 and the keyhole groove 27 facilitate the cutter wheel 21 to position and cut the fabric opening, and the guide fork 30 enables the fabric openings opened by the sewing needle 15 to be sewn in the same direction, thereby speeding up the sewing efficiency of the buttonhole. After sewing the buttonhole, the two thread cutting heads 31 facilitate the cutting of the sewing thread 34 on the sewing needle 15, thereby facilitating the sewing of the next buttonhole by the sewing needle 15. The thread winding column 32 facilitates the routing of the sewing thread 34 on the sewing needle 15, thereby preventing the sewing thread 34 from being tangled together, and the placement plate 28 facilitates the placement of processed fabrics.

Although the 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 (6)

1. The buttonholing machine comprises a workbench (1), and is characterized in that: the upper surface fixed connection sewing board (2) of workstation (1), the bottom fixed connection pillar (3) of workstation (1), the bottom fixed connection support column (4) of pillar (3), the upper surface fixed connection sewing machine case (5) of sewing board (2), swivel holes (6) have been seted up to the inside of sewing machine case (5), the inside of sewing machine case (5) is provided with bull stick (7), the outside of sewing machine case (5) is provided with initiative carousel (8), the inside of sewing machine case (5) is provided with driven carousel (9), the one end of bull stick (7) runs through to the inside of swivel holes (6) and with initiative carousel (8) fixed connection, the other end and the driven carousel (9) fixed connection of bull stick (7), the outside rotation of driven carousel (9) connects swivel plate (10), the outside fixed connection bearing post (11) of swivel plate (10), the outside of driven carousel (9) is provided with protective housing (12), the one end and the swivel plate (10) of bearing post (11) and the outside fixed connection of bearing post (11), the other end of bearing post (13) fixed connection of bearing post (11), the novel sewing machine is characterized in that the outer part of the support (13) is fixedly connected with the cylindrical sleeve (14), the inner part of the cylindrical sleeve (14) is inserted and connected with the sewing needle (15), the outer part of the sewing machine case (5) is fixedly connected with the hydraulic box (16), the inner part of the hydraulic box (16) is fixedly connected with the hydraulic press (17), the hydraulic hole (18) is formed in the inner part of the hydraulic box (16), the knife wheel frame (19) is arranged on one side of the bottom of the hydraulic box (16), the knife wheel frame (20) is fixedly connected with the inner part of the knife wheel frame (19), the knife wheel (21) is connected in a rotating mode, the output end of the hydraulic press (17) penetrates into the inner part of the hydraulic hole (18) and is fixedly connected with the knife wheel frame (19), the through hole groove (22) is formed in the inner part of the knife wheel frame (19), one end of the knife wheel frame (20) penetrates into the outer part of the through hole groove (22), and one end of the knife wheel (20) is fixedly connected with the turning handle (23).

2. A buttonholing machine as claimed in claim 1, characterized in that: the sewing machine is characterized in that a cutting hole (24) is formed in the sewing plate (2), a rotating shaft (25) is fixedly connected to the upper surface of the sewing plate (2), a cloth pressing plate (26) is arranged outside the rotating shaft (25), and a buttonhole groove (27) is formed in the cloth pressing plate (26).

3. A buttonholing machine as claimed in claim 1, characterized in that: the bottom of the protective housing (12) is fixedly connected with a long rod (29), and the outer part of the long rod (29) is fixedly connected with a guide fork (30).

4. A buttonholing machine according to claim 3, characterized in that: the outside of guide fork (30) is fixed connection tangent line tool bit (31), the quantity of tangent line tool bit (31) is two.

5. A buttonholing machine as claimed in claim 1, characterized in that: the upper surface of sewing machine case (5) rotates and connects twines line post (32), the upper surface fixed connection post eye (33) of line post (32), the upper surface of twining line post (32) is provided with sewing thread (34), sewing thread (34) run through to the inside of post eye (33) and sewing needle (15) respectively.

6. A buttonholing machine as claimed in claim 5, characterized in that: the bottom of workstation (1) is fixedly connected with rack (35), the outside of rack (35) is provided with places board (28).