Rectangular cloth sewing equipment

Abstract

The utility model provides rectangular cloth sewing equipment which comprises a main support and an auxiliary support located on the outer side of the middle of the long edge of the main support, an automatic sewing head is arranged on the auxiliary support, a workbench is arranged on the top face of the main support, and a left linear long-strip-shaped hole, a right linear long-strip-shaped hole and a middle circular-arc-shaped long-strip-shaped hole are formed in the workbench. A rectangular iron plate is arranged above the workbench, multiple layers of rectangular cloth are fixed to the top face of the rectangular iron plate after being stacked, the four corners of the rectangular iron plate are arc chamfers, positioning plates extend out of the top face of the front section and the top face of the rear section of the long edge side, close to the auxiliary support, of the workbench, and the rectangular iron plate abuts against the positioning plates to achieve positioning. The abutted and positioned side edge of the rectangular iron plate is aligned with the outer circumference of a needle head of the automatic sewing head; a linear driving device and an arc driving device are arranged in the main support and control the rectangular iron plate to conduct linear motion of four straight edges and arc motion of four arc angles respectively. According to the invention, the periphery of the rectangular cloth can be automatically and accurately sewn.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cloth processing, and particularly relates to a rectangular cloth sewing device. BACKGROUND

[0002] In order to meet the mass production and high efficiency, cloth processing needs to be automatically cut and sewn. In the current automatic sewing processing technology, when the edges of the rectangular cloth are cut or sewn, the rectangular cloth is usually manually rotated, the positioning is inaccurate, and the work efficiency is low. Alternatively, the rectangular cloth is fixed on the lower workbench, the rectangular cloth is not moved, and the head part is integrated to be automatically three-axis numerical control movement, the program is set to make the head move in a straight line and a curve, which is similar to a multi-axis numerical control machine tool. Although this method can realize the cutting or sewing of the edges of the rectangular cloth, the manufacturing cost of the device itself is high, and the promotion is limited. SUMMARY

[0003] In view of the above problems, the present application aims to provide a rectangular cloth sewing device which can accurately realize automatic sewing of the edges of the rectangular cloth and has high work efficiency.

[0004] The technical scheme of the present application is a rectangular cloth sewing equipment, which comprises a main support, a sub-support is arranged on the outer side of the middle part of the long side of the main support, and an automatic sewing head is arranged on the sub-support, characterized in that: a workbench is arranged on the top surface of the main support, linear long-hole regions are arranged on the left and right regions of the workbench, an arc long-hole region is arranged between the two linear long-hole regions, the center of the arc long-hole region is deviated to one side of the sub-support, a rectangular iron plate is arranged above the workbench, and multiple layers of rectangular cloths are stacked and fixed on the top surface of the rectangular iron plate; the four corners of the rectangular iron plate are arc chamfers; positioning plates are extended from the top surfaces of the long side of the workbench near the sub-support; the rectangular iron plate is positioned by being placed on the workbench and abutting against the positioning plates; the side edge of the rectangular iron plate abutting against the positioning plates is aligned with the outer circumference of the needle head of the automatic sewing head; two linear driving devices in linear motion are arranged below the two linear long-hole regions in the main support; an arc driving device in arc motion is arranged below the arc long-hole region in the main support; a first cylinder is arranged on the top of the linear driving device; a first magnet is connected to the cylinder rod on the top of the first cylinder; a second cylinder is arranged on the top of the arc driving device; and a second magnet is connected to the cylinder rod on the top of the second cylinder; when the cloths at the four straight edges of the rectangular iron plate are sewn, the first cylinder on the top of the linear driving device is used to attract and hold the rectangular iron plate by the first magnet to realize linear motion of the rectangular iron plate in cooperation with the needle head of the automatic sewing head for linear sewing, and the second magnet is separated from the bottom surface of the rectangular iron plate at this time; when the cloths at the four arc corners of the rectangular iron plate are sewn, the second cylinder on the top of the arc driving device is used to attract and hold the rectangular iron plate by the second magnet to realize arc rotation of the rectangular iron plate in cooperation with the needle head of the automatic sewing head for 90-degree arc sewing, and the arc center of the arc corner point of the rectangular iron plate near the needle head coincides with the arc center of the arc long-hole region in the rotating process, and the first magnet is separated from the bottom surface of the rectangular iron plate at this time.

[0005] Preferably, the linear driving device comprises a long fixed plate connected to the main support, linear racks and linear sliding rails are arranged in parallel and at intervals on the top surface of the long fixed plate along the length direction, a first connecting plate is arranged on the linear sliding rail, the first connecting plate is slidably connected to the linear sliding rail through a sliding block, a first cylinder and a first motor are connected to the first connecting plate, a first reduction gear is connected to the bottom of the first motor, the first reduction gear is engaged with the linear rack, and the first connecting plate is slid forward and backward relative to the linear sliding rail by the engagement and rotation of the first reduction gear relative to the linear rack when the first motor is started; the first cylinder on the first connecting plate attracts and holds the rectangular iron plate by the first magnet to drive the rectangular iron plate to move forward or backward, and the first magnet is located in the linear long-hole region of the workbench in the linear motion process to realize straight edge sewing of the rectangular cloth.

[0006] Preferably, the number of the first cylinders on the first connecting plate is at least two, which are arranged at intervals along the length direction, and all the first cylinders are synchronously controlled.

[0007] Preferably, the circular arc driving device comprises a circular arc fixing plate connected to the main support, a circular arc rack and a circular arc slide rail are concentrically arranged on the top surface of the circular arc fixing plate, a second connecting plate is arranged on the circular arc slide rail, the second connecting plate is rollingly connected to both sides of the circular arc slide rail through a plurality of rollers, a second cylinder and a second motor are connected to the second connecting plate, a second reduction gear is connected to the bottom of the second motor, the second reduction gear is engaged with the circular arc rack, and when the second motor is started, the second connecting plate is circularly arc slid relative to the circular arc slide rail by the engagement of the second reduction gear relative to the circular arc rack, and the second cylinder on the second connecting plate drives the rectangular iron plate to circularly arc rotate by being attracted by the second magnet, the second magnet is located in the circular arc long hole of the workbench during the planar rotation, and the circular arc suture at the intersection of the two straight edges of the rectangular cloth is realized.

[0008] Preferably, the number of the second cylinders on the second connecting plate is at least two, and the second cylinders are arranged at intervals along the circular arc direction, and all the second cylinders are synchronously controlled.

[0009] Preferably, the rectangular cloth is fixed on the top surface of the rectangular iron plate by being attracted by the magnet.

[0010] The present application can accurately realize automatic sewing of the periphery of the rectangular cloth, and has high work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the first state of the present application;

[0012] Figure 2 It is a structural schematic view of the first state of the present application; Figure 1 It is a structural schematic view of the first state of the present application;

[0013] Figure 3 It is a structural schematic view of the second state of the present application;

[0014] Figure 4 It is a structural schematic view of the second state of the present application; Figure 3 It is a structural schematic view of the second state of the present application;

[0015] Figure 5 It is a structural schematic view of the third state of the present application;

[0016] Figure 6 It is a structural schematic view of the third state of the present application; Figure 5 It is a structural schematic view of the third state of the present application;

[0017] Figure 7 It is a structural schematic view of the linear driving device in the present application;

[0018] Figure 8 It is a structural schematic view of the circular arc driving device in the present application;

[0019] Wherein: 1-main support; 2-secondary support; 3-automatic sewing head; 4-workbench; 41-linear long hole; 42-circular long hole; 43-positioning plate; 5-rectangular iron plate; 6-linear drive device; 61-long fixed plate; 62-linear rack; 63-linear slide rail; 64-first connecting plate; 65-first motor; 66-first speed reducer; 7-circular drive device; 71-circular fixed plate; 72-circular rack; 73-circular slide rail; 74-second connecting plate; 75-second motor; 76-second speed reducer; 77-roller; 8-first air cylinder; 9-first magnet; 10-second air cylinder; 11-second magnet. DETAILED DESCRIPTION

[0020] The application will be further described below in conjunction with the drawings.

[0021] As Figures 1 to 8The invention provides a rectangular cloth sewing device, which comprises a main support 1, a sub support 2 arranged outside the middle of the long side of the main support 1, and an automatic sewing head 3 arranged on the sub support 2, characterized in that: a workbench 4 is arranged on the top surface of the main support 1, linear long holes 41 are arranged on the left and right areas of the workbench 4, a circular arc long hole 42 is arranged between the two linear long holes 41, the center of the circular arc long hole 42 is deviated to one side of the sub support 2, a rectangular iron plate 5 is arranged above the workbench 4, and multiple layers of rectangular cloths are stacked and fixed on the top surface of the rectangular iron plate 5, the four corners of the rectangular iron plate 5 are circular arc chamfers, positioning plates 43 are extended from the top surfaces of the long side of the workbench 4 near the sub support 2, the rectangular iron plate 5 is positioned by being placed on the workbench 4 and abutting against the positioning plates 43, and the side edge of the rectangular iron plate 5 abutting against the positioning plates 43 is aligned with the needle outer circle of the automatic sewing head 3; two linear driving devices 6 in linear motion are arranged below the two linear long holes 41 in the main support 1, an arc driving device 7 in circular arc motion is arranged below the circular arc long hole 42 in the main support 1, a first cylinder 8 is arranged on the top of the linear driving device 6, a first magnet 9 is connected to the cylinder rod on the top of the first cylinder 8, a second cylinder 10 is arranged on the top of the arc driving device 7, and a second magnet 11 is connected to the cylinder rod on the top of the second cylinder 10; when the cloths at the four straight edges of the rectangular iron plate 5 are sewn, the first cylinder 8 on the top of the linear driving device 6 adsorbs the rectangular iron plate 5 in linear motion through the first magnet 9 to cooperate with the needle of the automatic sewing head 3 to perform linear sewing, and the second magnet 11 is separated from the bottom surface of the rectangular iron plate 5 at this time; when the cloths at the four circular arc corners of the rectangular iron plate 5 are sewn, the second cylinder 10 on the top of the arc driving device 7 adsorbs the rectangular iron plate 5 in circular arc rotation through the second magnet 11 to cooperate with the needle of the automatic sewing head 3 to perform 90-degree circular arc sewing, the circular arc center of the circular arc corner of the rectangular iron plate 5 near the needle coincides with the circular arc center of the circular arc long hole 42 in the rotating process, and the first magnet 9 is separated from the bottom surface of the rectangular iron plate 5 at this time.

[0022] In the above scheme, the linear driving device 6 comprises a long fixed plate 61 connected to the main support 1, the top surface of the long fixed plate 61 is provided with a linear rack 62 and a linear slide rail 63 arranged in parallel and spaced apart along the length direction, the linear slide rail 63 is provided with a first connecting plate 64, the first connecting plate 64 is slidably connected to the linear slide rail 63 through a sliding block, the first connecting plate 64 is connected with a first air cylinder 8 and a first motor 65, the bottom of the first motor 65 is connected with a first reduction gear 66, the first reduction gear 66 is engaged with the linear rack 62, when the first motor 65 is started, the first reduction gear 66 is engaged with the linear rack 62 to rotate, so as to realize the forward and backward sliding of the first connecting plate 64 relative to the linear slide rail 63, the first air cylinder 8 on the first connecting plate 64 drives the rectangular iron plate 5 to move forward or backward by being attracted by the first magnet 9, the first magnet 9 is located in the linear long hole 41 of the workbench 4 during the linear motion, and the straight edge of the rectangular cloth is stitched.

[0023] Specifically, the number of the first air cylinders 8 on the first connecting plate 64 is at least two, which are arranged in parallel and spaced apart along the length direction, and all the first air cylinders 8 are synchronously controlled.

[0024] In the above scheme, the circular arc driving device 7 comprises a circular arc fixed plate 71 connected to the main support 1, the top surface of the circular arc fixed plate 71 is provided with a circular arc rack 72 and a circular arc slide rail 73 arranged in concentric, the circular arc slide rail 73 is provided with a second connecting plate 74, the second connecting plate 74 is rollingly connected to the two sides of the circular arc slide rail 73 through a plurality of rollers 77, the second connecting plate 74 is connected with a second air cylinder 10 and a second motor 75, the bottom of the second motor 75 is connected with a second reduction gear 76, the second reduction gear 76 is engaged with the circular arc rack 72, when the second motor 75 is started, the second reduction gear 76 is engaged with the circular arc rack 72 to rotate, so as to realize the circular arc sliding of the second connecting plate 74 relative to the circular arc slide rail 73, the second air cylinder 10 on the second connecting plate 74 drives the rectangular iron plate 5 to rotate in a circular arc plane by being attracted by the second magnet 11, the second magnet 11 is located in the circular arc long hole 42 of the workbench 4 during the planar rotation, and the circular arc stitching of the two straight edges of the rectangular cloth at the intersection is realized.

[0025] Specifically, the number of the second air cylinders 10 on the second connecting plate 74 is at least two, which are arranged in parallel and spaced apart along the circular arc direction, and all the second air cylinders 10 are synchronously controlled.

[0026] Further, the rectangular cloth is fixed on the top surface of the rectangular iron plate 5 by being attracted by the magnet.

[0027] The structure of the automatic sewing head 3 is the structure of an existing sewing machine head, including a needle and a needle hole below a series of structures, which will not be described in detail here.

[0028] First, in the process of sewing the straight edge of the rectangular cloth, the cylinder rod of the first cylinder 8 extends upward to attract the rectangular iron plate 5 by the first magnet 9, the first motor 65 is controlled to rotate, the first reduction gear 66 is engaged with the straight rack 62, the first connecting plate 64 slides relative to the straight slide rail 63, in this process, the second magnet 11 is separated from the rectangular iron plate 5, the rectangular cloth moves in a straight line, the outer side of the rectangular iron plate 5 always adheres to the needle of the automatic sewing head 3 under the guidance of the positioning plate 43 and keeps straight line movement, the rectangular cloth is in a straight line sewing state under the continuous work of the needle of the automatic sewing head 3, until it reaches the round corner of the rectangular iron plate 5, then the first motor 65 stops moving, the cylinder rod of the first cylinder 8 retracts downward to make the first magnet 9 separate from the rectangular iron plate 5.

[0029] Second, in the process of sewing the round corner of the rectangular cloth, the cylinder rod of the second cylinder 10 extends upward to attract the rectangular iron plate 5 by the second magnet 11, the second motor 75 is controlled to rotate, the second reduction gear 76 is engaged with the arc rack 72, the second connecting plate 74 rotates relative to the arc slide rail 73 in a plane, the rectangular cloth moves in an arc, because the arc center of the round corner point of the rectangular iron plate 5 close to the needle coincides with the arc center of the arc-shaped long hole 42 in the rotating process, therefore the rectangular iron plate 5 presents a smooth arc corner under the driving of the second motor 75 and the transmission structure of the arc slide rail 73 below, so that the distance between the needle and the side of the rectangular iron plate 5 keeps unchanged during the corner process, the rectangular cloth is in an arc sewing state under the continuous work of the needle of the automatic sewing head 3, until it passes through the round corner of the rectangular iron plate 5, in this process, the first motor 65 reverses to drive the first connecting plate 64 to reset, then the second motor 75 stops moving, the cylinder rod of the second cylinder 10 retracts downward to make the second magnet 11 separate from the rectangular iron plate 5.

[0030] Then the rectangular cloth continues the next straight edge sewing process, which is the same as the first step principle and process, in this process, the second motor 75 reverses to drive the second connecting plate 74 to reset.

[0031] In this way, the four straight edges and four arc corners of the rectangular cloth are uniformly and accurately sewn.

[0032] The above is only a preferred embodiment of the present application, and does not limit the application in any form, any simple modification, equivalent change or modification made according to the technical principle of the present application to the above embodiment still belongs to the scope of the technical solution of the present application.

Claims

1. A rectangular cloth sewing device, comprising a main support (1), a sub-support (2) is arranged outside the middle of the long side of the main support (1), an automatic sewing head (3) is arranged on the sub-support (2), characterized in that: The main support (1) top surface is provided with a workbench (4), the workbench (4) left side area and right side area is provided with linear long hole (41), two linear long hole (41) between it is provided with circular long hole (42), the center of circle of the circular long hole (42) is inclined to the side of the vice support (2), the workbench (4) above is provided with rectangular iron plate (5), after the rectangular iron plate (5) top surface is fixed after the superposition of multilayer rectangular cloth, the four corners of the rectangular iron plate (5) are circular arc chamfer, the workbench (4) is close to the long side side of the vice support (2) two top surface extension positioning plate (43), the rectangular iron plate (5) is placed on the workbench (4) and is located at the positioning plate (43) and realizes positioning, the side of the rectangular iron plate (5) after abutting positioning is aligned with the needle head outer circle of automatic sewing head (3);The main support (1) inside is provided with two linear driving devices (6) that are linear motion below two linear long holes (41), the main support (1) inside is provided with circular arc driving device (7) that is circular arc motion below circular long hole (42), the linear driving device (6) top is provided with first cylinder (8), the cylinder rod of the first cylinder (8) top is connected with first magnet (9), the circular arc driving device (7) top is provided with second cylinder (10), the cylinder rod of second cylinder (10) top is connected with second magnet (11);When the cloth of the four straight edges of the rectangular iron plate (5) is sewn, it relies on the first cylinder (8) on the top of the linear driving device (6) and is attracted to the rectangular iron plate (5) linear motion by the first magnet (9) and is linearly sewn in cooperation with the needle head of automatic sewing head (3), at this time, the second magnet (11) is separated from the bottom surface of the rectangular iron plate (5);When the cloth of the four circular arc corners of the rectangular iron plate (5) is sewn, it relies on the second cylinder (10) on the top of the circular arc driving device (7) and is attracted to the rectangular iron plate (5) circular rotation by the second magnet (11) and is 90 degrees circularly sewn in cooperation with the needle head of automatic sewing head (3), the circular arc center of the circular arc corner of the rectangular iron plate (5) close to the needle head coincides with the circular arc center of the circular long hole (42) in the rotating process, at this time, the first magnet (9) is separated from the bottom surface of the rectangular iron plate (5).

2. A rectangular fabric sewing apparatus according to claim 1, characterized by: The linear driving device (6) comprises a long strip fixed plate (61) connected to the main support (1), the top surface of the long strip fixed plate (61) is provided with a linear rack (62) and a linear slide rail (63) in parallel and at intervals along the length direction, the linear slide rail (63) is provided with a first connecting plate (64), the first connecting plate (64) is slidably connected to the linear slide rail (63) through a sliding block, the first connecting plate (64) is connected with a first air cylinder (8) and a first motor (65), the bottom of the first motor (65) is connected with a first speed reduction gear (66), the first speed reduction gear (66) is engaged with the linear rack (62), when the first motor (65) is started, the first connecting plate (64) slides forward and backward relative to the linear slide rail (63) through the engagement and rotation of the first speed reduction gear (66) relative to the linear rack (62), the first air cylinder (8) on the first connecting plate (64) drives the rectangular iron plate (5) to move forward or backward by attracting the rectangular iron plate (5) through the first magnet (9), the first magnet (9) is located in the linear long slot (41) of the workbench (4) during the linear movement, and the straight edge of the rectangular fabric is sewn.

3. A rectangular fabric sewing apparatus according to claim 2, characterized by: The number of the first air cylinders (8) on the first connecting plate (64) is at least two, and the first air cylinders (8) are arranged at intervals along the length direction and are synchronously controlled.

4. A rectangular fabric sewing apparatus according to claim 1, characterized by: The circular arc driving device (7) comprises a circular arc fixed plate (71) connected to the main support (1), the top surface of the circular arc fixed plate (71) is provided with a circular arc rack (72) and a circular arc slide rail (73) in a concentric manner, the circular arc slide rail (73) is provided with a second connecting plate (74), the second connecting plate (74) is rollingly connected to the two sides of the circular arc slide rail (73) through a plurality of rollers (77), the second connecting plate (74) is connected with a second air cylinder (10) and a second motor (75), the bottom of the second motor (75) is connected with a second speed reduction gear (76), the second speed reduction gear (76) is engaged with the circular arc rack (72), when the second motor (75) is started, the second connecting plate (74) slides in a circular arc shape relative to the circular arc slide rail (73) through the engagement and rotation of the second speed reduction gear (76) relative to the circular arc rack (72), the second air cylinder (10) on the second connecting plate (74) drives the rectangular iron plate (5) to rotate in a circular arc plane by attracting the rectangular iron plate (5) through the second magnet (11), the second magnet (11) is located in the circular arc long slot (42) of the workbench (4) during the plane rotation, and the two straight edges of the rectangular fabric at the intersection are sewn in a circular arc shape.

5. A rectangular fabric sewing apparatus according to claim 4, wherein: The number of the second air cylinders (10) on the second connecting plate (74) is at least two, and the second air cylinders (10) are arranged at intervals along the circular arc direction and are synchronously controlled.

6. A rectangular fabric sewing apparatus according to claim 1, characterized by: The rectangular fabric is fixed on the top surface of the rectangular iron plate (5) through magnet attraction.

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