WO2020015044A1

WO2020015044A1 - Automatic crimping sewing machine

Info

Publication number: WO2020015044A1
Application number: PCT/CN2018/101031
Authority: WO
Inventors: 季锴
Original assignee: 苏州锴诚缝制设备有限公司
Priority date: 2018-07-19
Filing date: 2018-08-17
Publication date: 2020-01-23
Also published as: CN108677394A

Abstract

Disclosed is an automatic crimping sewing machine, comprising a working table (1), wherein a machine holder (2) is arranged on the working table (1), a machine head (4) with a needle (3) is arranged on the machine holder (2), and a matching presser foot (5) is arranged below the needle (3). Integrated automation of crimping, compaction and feeding of cloth can be effectively realized by providing a telescopic crimping assembly (11), a telescopic roll material tensioning assembly (14) and a conveying roller (15), and the process is simple, the amount of manual labor is reduced, the mechanical operation accuracy is high, errors cannot be caused easily, and the production efficiency is high. A certain tension can be applied to the cloth while being sewed by providing a roll material tensioning roller (27), processing can be performed under the condition that cloth creasing is prevented, the processing quality can be guaranteed, the automation degree is high, and fingers can be effectively prevented from being pricked by the needle tip. Single-layer or double-layer crimping of the cloth can be performed as required by providing a single-layer crimping plate (17) and a double-layer crimping plate (18), so that the sewing machine is high in practicability and is suitable for large-scale promotion.

Description

Automatic curling sewing machine

Technical field

The invention relates to an automatic curling sewing machine, and belongs to the technical field of sewing machines.

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 to interweave or sew one or more layers of sewing material. Generally, sewing machines are composed of a head, a base, and a transmission. Composed of four parts, the sewing machine can sew cotton, linen, silk, wool, rayon and other fabrics. It can also sew leather, plastic, paper and other products. The stitches are neat, beautiful, flat and firm, and the sewing speed is fast. It is easy to use. When processing a workpiece such as a cloth, the sewing machine needs to tension the cloth and then process it to prevent the workpiece from being wrinkled and affecting the quality of the workpiece. In the prior art, it is usually tensioned by the worker's hand. This method increases the workload of the worker, easily causes work fatigue and affects the processing efficiency. Moreover, the worker may accidentally put his hand under the needle when it is tensioned, and hurt his fingers. At the same time, in actual use, the sewing machine needs to be manually crimped. , Compaction and feeding, the process is tedious, easy to produce errors, and the bottom of production efficiency.

Summary of the invention

The technical problem to be solved by the present invention is to overcome the existing shortcomings and provide an automatic hemming sewing machine. The present invention can effectively realize the integration of cloth hemming, pressing and feeding, and has simple procedures, saving manpower, and mechanical operation accuracy. High, not easy to produce errors, high production efficiency, suitable for widespread promotion, can apply a certain tension to the fabric while sewing it, prevent processing under the condition of fabric wrinkles, ensure processing quality, and effectively improve staff It can avoid the needle sticking to the finger, and can be used for single-layer crimping or double-layer crimping of the fabric according to needs. It has strong practicability and can effectively solve the problems in the background technology.

In order to solve the above technical problems, the present invention provides the following technical solutions:

An automatic crimping sewing machine includes a work surface, which is provided with a machine base, the machine base is provided with a machine head with a machine needle, and a presser foot which cooperates with each other is arranged below the machine needle. A sewing table is arranged directly under the needle on the work surface, and a feeding curling area, a sewing area, a tensioning rolling conveying area and a conveying area are arranged in this order from the back to the working surface, and the feeding curling area is provided on the working surface. There is a telescopic crimping assembly, and a sewing foot lifter and a needle connecting rod are provided on the sewing area to cooperate with the machine needle and the presser foot, and the tensioning and winding area is provided with a telescopic roll material sheet. And a telescopic crimping assembly including a No. 1 telescopic connection structure, a single-layer crimping board, and a double-layer crimping board.

Further, the single-layer crimping plate and the double-layer crimping plate each include a platen, a carding plate, and a connecting tube, and the carding plate is fixedly disposed on the platen, and the connecting tube is fixedly disposed on the platen. The upper right corner, and the top end is provided with a threaded connection block that cooperates with the No. 1 telescopic connection structure.

Further, the carding board on the single-layer crimping board is a single-layer carding board, the carding board on the double-layer crimping board is a double-layer carding board, and the single-layer carding board and the double-layer carding board Both include a positioning plate and a No. 1 folding plate that are fixedly welded on the platen, and the positioning plate and the No. 1 folding plate are hingedly connected through a rotating shaft, and a U-shaped folding material is fixed on one side of the No. 1 folding plate A pressing rod, and a second-numbered folding plate movably disposed on the platen is hinged between a positioning plate located on the double-layer carding board and the first-numbered folding plate through a rotating shaft.

Further, the telescopic coil tensioning assembly includes a No. 2 telescopic connection structure and a coil tension roller, and both the No. 1 telescopic connection structure and the No. 2 telescopic connection structure include a cylinder fixedly embedded in the bottom of the machine head. The bottom end of the output shaft of the cylinder is fixed with a connecting rod, and the bottom end of the connecting rod on the No. 1 telescopic connection structure is provided with a threaded connecting groove.

Further, the roll tensioning roller includes a U-shaped bracket, a driven roller, and a driving roller installed on the work surface, and the driven roller is disposed between the U-shaped bracket and the U-shaped roller. The bracket is embedded with a bearing that cooperates with the shaft of the driven roller. One end of the driving roller is connected to the driven pulley through the working table surface, and a motor is provided on one side of the working table surface, and the output shaft of the motor is provided with a driving shaft. The pulley is connected with a belt between the driven pulley and the driving pulley, and the driven roller and the outside of the driving roller are fixedly sleeved with an adhesive rubber cover layer.

Further, the conveying rollers are equidistantly arranged on the work surface from left to right, and the top surface is located on the same horizontal plane as the top surface of the driving roller.

The beneficial effect of the present invention is an automatic crimping sewing machine. Since the present invention is provided with a telescopic crimping component, a telescopic crimping material tensioning component and a conveying roller, it can effectively realize the integrated automation of cloth crimping, pressing and feeding, and the process is simple. , Saving manpower, high mechanical operation accuracy, not easy to produce errors, high production efficiency, suitable for widespread promotion, the invention is provided with a roll tension roller, which can apply a certain tension to the fabric while sewing it It can prevent processing under the condition of cloth wrinkles, guarantee the processing quality, can effectively improve the safety of workers, high automation intensity, and can effectively prevent the needle from sticking to the fingers. The present invention is provided with a single-layer crimping board and double-layer The crimping board can be used for single-layer crimping or double-layer crimping of the fabric as required, and has high practicality.

BRIEF DESCRIPTION OF THE DRAWINGS

The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. They are used to explain the present invention together with specific embodiments of the present invention, and do not constitute a limitation on the present invention.

FIG. 1 is a left side view of an automatic hemming sewing machine according to the present invention.

2 is a top view of a single-layer crimping board of an automatic crimping sewing machine according to the present invention.

Fig. 3 is a top view of a double-layered crimping plate of an automatic crimping sewing machine according to the present invention.

4 is a structural diagram of a U-shaped bracket and a driven roller of an automatic curling sewing machine according to the present invention.

Fig. 5 is a cross-sectional view of the No. 1 folding plate of an automatic curling sewing machine according to the present invention.

Numbers in the figure: 1, working table surface; 2, machine base; 3, machine needle; 4, machine head; 5, presser foot; 6, sewing table; 7, feeding hemming area; 8, sewing area; 9, tensioning roll Sending area; 10, conveying area; 11, telescopic crimping component; 12, presser foot lifter; 13, needle connecting rod; 14, telescopic coil tensioning component; 15, conveying roller; 16, No. 1 telescopic Connection structure; 17, single-layer crimping plate; 18, double-layer crimping plate; 19, carding plate; 20, connecting rod; 21, single-layer carding plate; 22, double-layer carding plate; 23, positioning plate; 24, No. 1 folding plate; 25, U-shaped folding rod; 26, No. 2 folding plate; 27, coil tensioning roller; 28, driven roller; 29, driving roller; 30, adhesive rubber jacket; 31, U-shaped bracket; 32, connecting tube.

detailed description

The technical solution of the specific embodiment of the present invention will be clearly and completely described with reference to the accompanying drawings in the specific embodiment of the present invention. Obviously, the described specific embodiment is only a specific embodiment of the present invention, rather than All the specific implementations, based on the specific implementations in the present invention, all other specific implementations obtained by a person of ordinary skill in the art without making creative efforts, fall within the protection scope of the present invention.

As shown in Figure 1-5, an automatic crimping sewing machine includes a work surface 1 on which a machine base 2 is provided, and the machine base 2 is provided with a machine head 4 with a needle 3, and A matching presser foot 5 is provided below the machine needle 3, and a sewing table 6 is provided directly below the machine needle 3 on the work table surface 1, and a feeding crimping area is provided on the work table surface 1 from back to front. 7. Sewing area 8, tensioning and coiling area 9 and conveying area 10, the feeding and crimping area 7 is provided with a telescopic crimping component 11, and the sewing area 8 is provided with a needle 3 and a presser foot 5. The presser foot lifting lever 12 and the needle connecting lever 13 are connected and matched with each other, a telescopic coil tensioning assembly 14 is provided on the tension reeling area 9, and a conveying roller 15 is provided on the conveying area 10, and The telescopic crimping assembly 11 includes a No. 1 telescopic connection structure 16 and a single-layer crimping plate 17 and a double-layer crimping plate 18, which can effectively realize the integrated automation of cloth crimping, pressing and feeding. The process is simple and labor is saved. And the mechanical operation has high accuracy, is not easy to produce errors, and has high production efficiency, which is suitable for widespread promotion.

More specifically, the single-layer crimping plate 17 and the double-layer crimping plate 18 each include a platen, a carding plate 19, and a connecting pipe 32, and the carding plate 19 is fixedly disposed on the platen, and the connecting pipe 32 is fixedly arranged at the upper right corner of the platen, and a screw connection block cooperating with No. 1 telescopic connection structure 16 is provided at the top for easy disassembly and installation. The carding board 19 on the single-layer crimping board 17 is a single-layer carding board. 21, the carding board 19 on the double-layered crimping board 18 is a double-layered carding board 22, which can be used for single-layered crimping or double-layered crimping of the fabric as required, and has high practicality, and the single-layered carding board 21 The double-layer carding board 22 includes a positioning plate 23 and a No. 1 folding plate 24 fixedly welded on the platen, and the positioning plate 23 and the No. 1 folding plate 24 are hingedly connected by a rotating shaft, and the No. 1 folding A U-shaped folding bar 25 is fixed on one side of the plate 24, and the positioning plate 23 and the No. 1 folding plate 24 on the double-layer carding plate 22 are hinged by a rotating shaft with a No. 2 movable on the platen. Folding plate 26, the telescopic coil tensioning assembly 14 includes a No. 2 telescopic connection structure The roll tensioning roller 27, the No. 1 telescopic connection structure 16 and the No. 2 telescopic connection structure each include a cylinder fixedly embedded in the bottom of the machine head 4, and a connecting rod 20 is fixed at the bottom end of the output shaft of the cylinder. The bottom end of the connecting rod 20 on the No. 1 telescopic connection structure 16 is provided with a threaded connecting groove. The roll tensioning roller 27 includes a U-shaped bracket 31, a driven roller 28, and a driving roller installed on the work surface 1. 29, and the driven roller 28 is disposed between the U-shaped bracket 31, and a bearing that cooperates with the shaft of the driven roller 28 is embedded in the U-shaped bracket 31, and one end of the driving roller 29 penetrates the work surface 1 A driven pulley is connected, and a motor is provided on one side of the working table 1 to provide kinetic energy, and an output shaft of the motor is provided with a driving pulley, and a belt is connected between the driven pulley and the driving pulley, and the driven roller 28. The outer side of the driving roller 29 is fixedly sleeved with an adhesive rubber sleeve layer 30 to increase friction and increase tension. The conveying rollers 15 are equidistantly arranged on the work surface 1 from left to right, and the top surface. It is located on the same horizontal plane as the top surface of the driving roller 29, which facilitates the conveying and discharging of the cloth.

The present invention is improved on: an automatic hemming sewing machine. When processing the cloth, the invention needs to pass the telescoping hemming assembly 11, the telescoping roll tensioning assembly 14 and the conveying roller 15 in order to carry out the cloth hemming, pressing and The automatic feeding is integrated, the process is simple, labor-saving, and the precision of the mechanical operation is high. It is not easy to produce errors and has high production efficiency. It is suitable for widespread promotion. Through the design of the roll tensioning roller 27, the cloth can be sewn at the same time. It exerts a certain tension, can prevent processing under the condition of fabric wrinkles, ensure the processing quality, can effectively improve the safety of workers, high automation intensity, can effectively prevent the needle from getting into the finger, and can be crimped by a single layer. The design of the plate 17 and the double-layer crimping plate 22 can be used for single-layer crimping or double-layer crimping of the cloth according to the needs, and has strong practicality. The specific use of the single-layer crimping plate 17 and the double-layer crimping plate 22 The method is to put the edge of the fabric to be curled under the U-shaped folding presser 25 on the single-layer carding board 21 or the double-layer carding board 22, and then fold the number one folding plate 24 and the number two Folding plate 26 can be realized crimping of the fabric, but when sewing the fabric, the need to hand gently pressing on the comb plate 21 single or double comb plate 22.

The above is the preferred embodiment of the present invention. Those skilled in the art to which the present invention belongs can also change and modify the above embodiments. Therefore, the present invention is not limited to the specific embodiments described above. Any obvious improvement, replacement, or modification made on the basis of the protection belongs to the protection scope of the present invention.

Claims

An automatic crimping sewing machine includes a work surface (1), which is characterized in that: a machine base (2) is provided on the work surface (1), and the machine base (2) is provided with a needle (3) A machine head (4), and a cooperating presser foot (5) is provided below the machine needle (3), and a sewing table (6) is provided on the worktable surface (1) directly under the machine needle (3) ), And the work table (1) is provided with a feeding curling area (7), a sewing area (8), a tensioning curling feeding area (9), and a conveying area (10) in order from the back to the feeding surface. (7) A telescopic crimping assembly (11) is provided, and the sewing area (8) is provided with a presser foot lifter (12) which is connected with the needle (3) and the presser foot (5) and cooperates with each other. A needle connecting rod (13), a telescopic coil tensioning assembly (14) is provided on the tensioning roll feeding area (9), and a conveying roller (15) is provided on the conveying area (10), and The telescopic crimping assembly (11) includes a No. 1 telescopic connection structure (16), a single-layer crimping plate (17), and a double-layer crimping plate (18).
The automatic crimping sewing machine according to claim 1, wherein the single-layer crimping plate (17) and the double-layer crimping plate (18) each include a platen, a carding plate (19), and a connecting pipe. (32), and the carding plate (19) is fixedly arranged on the platen, the connecting pipe (32) is fixedly arranged on the upper right corner of the platen, and the top end is provided with a No. 1 telescopic connection structure (16) to cooperate with each other Threaded connection block.
An automatic crimping sewing machine according to claim 2, characterized in that the carding plate (19) on the single-layer crimping plate (17) is a single-layer carding plate (21), and the double-layer crimping The carding plate (19) on the plate (18) is a double-layered carding plate (22), and the single-layered carding plate (21) and the double-layered carding plate (22) each include a positioning plate fixedly welded to a platen ( 23) and the No. 1 folding plate (24), and the positioning plate (23) and the No. 1 folding plate (24) are hingedly connected through a rotating shaft, and a U is fixedly arranged on one side of the No. 1 folding plate (24) The folding lever (25) is shaped, and the positioning plate (23) and the number one folding plate (24) located on the double-layer carding board (22) are hinged by a rotating shaft with a number two movable on the table. Fold the plate (26).
The automatic crimping sewing machine according to claim 1, characterized in that: the telescopic coil tensioning assembly (14) comprises a No. 2 telescopic connection structure and a coil tensioning roller (27), the No. 1 Both the telescopic connection structure (16) and the second telescopic connection structure include a cylinder fixedly embedded in the bottom of the head (4), and a bottom end of the output shaft of the cylinder is fixed with a connecting rod (20), and the first telescopic connection The bottom end of the connecting rod (20) on the structure (16) is provided with a threaded connecting groove.
The automatic crimping sewing machine according to claim 4, characterized in that the coiled material tensioning roller (27) comprises a U-shaped bracket (31), a driven roller (28) and installed on the work surface ( 1) the driving roller (29) on the top, and the driven roller (28) is arranged between the U-shaped bracket (31), and the U-shaped bracket (31) is embedded with the driven roller (28) The shafts are mutually matched bearings. One end of the driving roller (29) penetrates the worktable surface (1) and is connected with a driven pulley, and one side of the worktable surface (1) is provided with a motor, and the output shaft of the motor is provided with a drive. The pulley is connected with a belt between the driven pulley and the driving pulley, and an outer surface of the driven roller (28) and the driving roller (29) is fixed with an adhesive rubber cover layer (30).
An automatic crimping sewing machine according to claim 1, characterized in that the conveying rollers (15) are equidistantly arranged on the work surface (1) from left to right, and the top surface and the driving roller (29) The top surface of) lies on the same horizontal plane.