Clothing edge covering and sewing device and method

By combining the folding mechanism and clamping components of the garment edge-sealing device, the problems of low efficiency and unstable quality in the traditional inner edge-sealing process are solved, realizing automated folding and precise feeding, thereby improving production efficiency and product quality.

CN121161538APending Publication Date: 2025-12-19SHANGHAI GAOFAN TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202511612860.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-06
Publication Date
2025-12-19

AI Technical Summary

Technical Problem

Traditional inner binding processes rely on manual labor or semi-automated equipment, which suffers from low efficiency, poor quality consistency, and high requirements for worker skills. Furthermore, automated equipment is inadequate in terms of automatic folding and precise feeding of the binding strip, which can easily lead to incomplete folding, wrinkles, or feeding deviations.

Method used

The garment edge binding and sewing device includes a conveyor, a folding mechanism, and an automatic sewing machine. The edge of the garment is pressed down by a pressure strip, and the edge binding strip is folded over by an air blowing component. It is then clamped by a clamping component and sewn by an automatic sewing machine. Combined with X and Y direction moving parts and a scraper, it is precisely positioned and corrected to ensure the reliability and flatness of the folding.

Benefits of technology

The entire process of folding, precise clamping, and synchronous feeding of the binding strips has been automated, improving production efficiency, ensuring the stability and consistency of sewing quality, and reducing the defect rate.

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Abstract

The invention relates to a garment edge covering and sewing device and method. The device comprises a conveying piece, a folding mechanism and an automatic sewing machine. The folding mechanism comprises a first telescopic piece, a pressing strip fixedly connected with the telescopic end of the first telescopic piece, a clamping assembly, an air blowing assembly and a moving assembly used for driving the clamping assembly to move. The pressing strip presses the edge of the garment on the conveying piece, only the edge covering strip is exposed, the blowing assembly is driven by the moving assembly to blow air to the edge covering strip so that the edge covering strip can be turned over, and the clamping assembly is driven by the moving assembly to clamp the turned edge covering strip and bring the turned edge covering strip to the automatic sewing machine to be sewn so as to form an inner covered edge of the garment. The full-process automation of automatic folding, accurate clamping, synchronous feeding and automatic sewing of the edge covering strip is achieved, and the production efficiency is greatly improved.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of garment manufacturing equipment, and particularly relates to a garment edge covering and sewing device and method. BACKGROUND

[0002] The inner edge covering is a common garment processing technology, which is mainly used for processing the internal stitching of the garment, so that it is smooth, beautiful, durable, and can effectively prevent the fabric from being loose. It is commonly seen in the neckline, cuff, hem and other parts of knitted garments such as T-shirts, sportswear, underwear and the like.

[0003] The traditional inner edge covering process is mainly completed by manual or semi-automatic equipment, which has the problems of low efficiency, poor quality consistency, high requirement for worker's operation skills and the like. Some existing automatic equipment still has deficiencies in automatic folding and precise feeding of the edge covering strip, which is prone to incomplete folding, wrinkles or feeding deviation, resulting in unqualified sewing quality. SUMMARY

[0004] The purpose of the present application is to provide a garment edge covering and sewing device and method to solve the problems in the background art.

[0005] The present application achieves the above-mentioned purpose by the following technical solutions: A garment edge covering and sewing device, comprising a conveying member, a folding mechanism and an automatic sewing machine; The folding mechanism comprises a first telescopic member, a pressing strip fixedly connected to the telescopic end of the first telescopic member, a clamping assembly, a blowing assembly and a moving assembly for moving the clamping assembly; The pressing strip presses the edge of the garment on the conveying member, only exposing the edge covering strip, the blowing assembly blows air on the edge covering strip under the driving of the moving assembly to make the edge covering strip fold, and the clamping assembly clamps and carries the folded edge covering strip to the automatic sewing machine for sewing to form the inner edge covering of the garment.

[0006] Preferably, the clamping assembly comprises an iron base plate, two limiting rods are fixedly arranged on the base plate, a pressing plate is movably sleeved on the two limiting rods, and a limiting spring is arranged between the pressing plate and the base plate; An electromagnet is fixedly arranged on the pressing plate for controlling the distance between the pressing plate and the base plate.

[0007] Preferably, the blowing assembly comprises a bellows fixedly arranged on the base plate, a plurality of spray holes are arranged on the bellows, and the spray holes are used for spraying air flow to blow up the edge covering strip to generate folding; The bellows is connected with a gas generating device.

[0008] Preferably, the moving assembly comprises an X-direction moving member and a Y-direction moving member. The X-direction moving piece comprises two first reducers fixedly installed on the table top of the automatic sewing machine, the input ends of the two first reducers are fixedly connected with a first driving motor, the first driving motor is a forward-reverse motor, the output ends of the two first reducers are fixedly connected with screw shafts, and the two screw shafts are threadedly connected on the same support; The Y-direction moving piece comprises a second telescopic piece fixedly arranged on the support, the telescopic end of the second telescopic piece is fixedly connected with a moving block, and the moving block is fixedly connected with the bottom plate.

[0009] Preferably, the telescopic end of the first telescopic piece is fixedly connected with a first plate, the two ends of the first plate are fixedly connected with second plates perpendicular to the first plate, and the pressing strip is fixedly installed between the two second plates and located at the bottom of the second plates. The two second plates are further rotationally connected with a rotating plate parallel to the pressing strip, the rotating plate is fixedly installed with a third telescopic piece, and the telescopic end of the third telescopic piece is fixedly connected with a scraping strip for assisting the folding of the binding strip. One of the second plates is provided with a driving assembly for driving the rotating plate to rotate.

[0010] Preferably, the scraping strip is in H shape, and the scraping strip comprises a scraping piece and an alignment piece, and the alignment piece is used for adjusting the inclination of the binding strip.

[0011] Preferably, the driving assembly comprises a second reducer fixedly arranged on the second plate, the output end of the second reducer is fixedly connected with the rotating plate, the input end of the second reducer is fixedly connected with a second driving motor, and the second driving motor is a forward-reverse motor.

[0012] Preferably, the conveying piece adopts a belt conveyor.

[0013] A garment binding sewing method comprises the following steps: S1: a garment with a binding strip already sewn by a sewing machine is placed on a conveying piece by a mechanical arm, and the conveying piece sends the garment to an automatic sewing machine; S2: after the garment is sent to the automatic sewing machine, the conveying piece stops moving, a first telescopic piece drives a pressing strip to press the junction of the garment and the binding strip; S3: a blowing assembly blows air on the binding strip to make the binding strip fold, and the binding strip is above the pressing strip; S4: a clamping assembly is driven by a moving assembly to approach the binding strip, the clamping assembly clamps the binding strip and the garment at the same time, and then moves to the automatic sewing machine, and the automatic sewing machine sews the binding strip.

[0014] The garment binding sewing method has the following beneficial effects: 1、The present application realizes automatic folding, accurate clamping, synchronous feeding and automatic sewing of the edge binding strip from the whole process, greatly improving the production efficiency.

[0015] 2、The present application realizes automatic folding, accurate clamping, synchronous feeding and automatic sewing of the edge binding strip from the whole process, greatly improving the production efficiency.

[0016] 3、The present application sets up a correction mechanism to prevent incomplete folding and over-folding, effectively reducing the rate of defective products. DETAILED DESCRIPTION

[0017] Figure 1 is a schematic diagram of the overall structure of the present application; Figure 2 is an enlarged schematic diagram of position A in Figure 1 Figure 3 is a top view of the present application; Figure 4 is a front view of the present application; Figure 5 is an enlarged schematic diagram of position B in Figure 4 Figure 6 is a schematic diagram of the relative position relationship of the alignment piece when assisting in folding the edge binding strip in the present application; Figure 7 is a lateral schematic diagram of the relative position relationship of the alignment piece when adjusting the inclination angle of the edge binding strip in the present application; Figure 8 is a top view schematic diagram of the relative position relationship of the alignment piece when adjusting the inclination angle of the edge binding strip in the present application.

[0018] In the figure: 1, conveying part; 2, automatic sewing machine; 3, first telescopic part; 4, pressing strip; 5, bottom plate; 6, limiting rod; 7, pressing plate; 8, limiting spring; 9, electromagnet; 10, air bellow; 11, injection hole; 12, first speed reducer; 13, first drive motor; 14, lead screw shaft; 15, bracket; 16, second telescopic part; 17, moving block; 18, first plate; 19, second plate; 20, rotating plate; 21, third telescopic part; 22, scraping piece; 23, alignment piece; 24, second speed reducer; 25, second drive motor; 26, edge binding strip; 27, garment. DETAILED DESCRIPTION

[0019] The following further describes the present application, it is necessary to point out here that the following detailed description is only used to further illustrate the present application, and cannot be understood as limiting the scope of protection of the present application, and those skilled in the art can make some non-essential improvements and adjustments to the present application according to the above application content.​​

[0020] Example 1 like Figures 1-8 As shown, a garment edge-sealing device includes a conveyor 1, a folding mechanism, and an automatic sewing machine 2. The automatic sewing machine 2 can be a Juki MO-series, such as MO-6716S, but is not limited to this.

[0021] The folding mechanism includes a first telescopic component 3 (which can be an electric push rod) fixedly mounted on the table of the automatic sewing machine 2, a pressure strip 4 fixedly connected to the telescopic end of the first telescopic component 3, a clamping assembly, an air blowing assembly, and a moving assembly for driving the clamping assembly to move.

[0022] It should be noted that the pressure strip 4 presses down the edge of the garment 27 on the conveyor 1, leaving only the binding strip 26 exposed. The air blowing component folds the binding strip 26 under the drive of the moving component. The clamping component clamps the folded binding strip 26 under the drive of the moving component and carries it to the automatic sewing machine 2 for sewing to form the inner binding of the garment 27.

[0023] Preferably, the clamping assembly in this invention includes a base plate 5. The bottom surface of the base plate 5 contacts the table surface of the automatic sewing machine 2 (the plane on which the garment 27 is placed during sewing), and the base plate 5 can move freely on the table surface. Two limiting rods 6 are fixedly provided on the top of the base plate 5, and pressure plates 7 are movably sleeved on the two limiting rods 6. A limiting spring 8 is provided between the pressure plate 7 and the base plate 5. A distance of 1 cm is maintained between the pressure plate 7 and the base plate 5 to ensure the normal entry of the binding strip 26. The thickness of the base plate 5 is less than 1 cm, and the base plate 5 can pass normally through the presser foot raised by the automatic sewing machine 2 without causing damage to the automatic sewing machine 2.

[0024] An electromagnet 9 is fixed on the pressure plate 7 to control the distance between the pressure plate 7 and the base plate 5. When the electromagnet 9 is energized, it can generate a magnetic attraction force on the base plate 5. The base plate 5 generates a reverse attraction force on the electromagnet 9, so that the pressure plate 7 can approach the base plate 5 and squeeze the limiting spring 8.

[0025] It should be noted that when the pressure plate 7 and the base plate 5 move to the binding strip 26, the base plate 5 inserts into the bottom of the binding strip 26, and the pressure plate 7 is positioned above the binding strip 26. When the electromagnet 9 is working, the pressure plate 7 presses the binding strip 26 onto the base plate 5. Subsequently, the garment 27 moves synchronously with the base plate 5. The clamping width of the pressure plate 7 and the base plate 5 on the binding strip 26 is 2-3mm, which does not affect the placement of the presser foot of the automatic sewing machine 2 on the binding strip 26, nor the distance between the sewing thread and the binding strip 26.

[0026] Preferably, the blowing assembly in the application comprises a bellows 10 fixed on the bottom plate 5, and the bellows 10 is provided with a plurality of blowholes 11 for blowing air flow to lift the binding strip 26 to generate folding. The blowholes 11 are located between the bottom plate 5 and the pressing plate 7, and the air flow can pass normally before the bottom plate 5 and the pressing plate 7 clamp the binding strip 26. The air flow blows against the surface of the conveying member 1, and the air flow has a downward angle, which can smoothly lift the binding strip 26 when the wind speed reaches 2-3 meters per second.

[0027] The bellows 10 is connected with a gas generating device, which can adopt an air compressor.

[0028] Preferably, the moving assembly comprises an X-direction moving member and a Y-direction moving member (the moving direction of the garment 27 during the sewing of the automatic sewing machine 2 is the X-direction).

[0029] Preferably, the X-direction moving member comprises two first reducers 12 fixedly installed on the table of the automatic sewing machine 2, the input ends of the two first reducers 12 are fixedly connected with a first driving motor 13, the output ends of the two first reducers 12 are fixedly connected with lead screw shafts 14, and the two lead screw shafts 14 are threadedly connected on the same bracket 15. The first driving motor 13 adopts a forward-reverse motor, The Y-direction moving member comprises a second telescopic member 16 fixedly installed on the bracket 15 (which can adopt an electric push rod), and the telescopic end of the second telescopic member 16 is fixedly connected with a moving block 17, and the moving block 17 is fixedly connected with the bottom plate 5.

[0030] It should be noted that when clamping the binding strip 26, first, the second telescopic member 16 drives the moving block 17, the bottom plate 5 and the pressing plate 7 to approach the garment 27, then the second telescopic member 16 and the first driving motor 13 drive the moving block 17, the bottom plate 5, the pressing plate 7 and the garment 27 to approach the presser foot of the automatic sewing machine 2, and finally the first driving motor 13 drives the moving block 17, the bottom plate 5, the pressing plate 7 and the garment 27 to move along the sewing direction of the automatic sewing machine 2, and the moving speed is consistent with the sewing speed of the automatic sewing machine 2 until the sewing is completed. During the sewing process, the conveying member 1 synchronously keeps moving to synchronously convey the whole part of the garment 27, so as to avoid that the body part of the garment 27 is sewn onto the binding strip 26.

[0031] After the sewing is completed, the electromagnet 9 stops working, the pressing plate 7 and the bottom plate 5 release the binding strip 26 under the elastic force of the limiting spring 8, and the garment 27 is pushed back to the conveying member 1 under the driving of the second telescopic member 16 for the sewing of the next garment 27. Preferably, the conveying member 1 adopts a belt conveyor, and the garment 27 can be placed flat on the belt.

[0032] Further, the telescopic end of the first telescopic piece 3 is fixedly connected with a first plate 18, both ends of the first plate 18 are fixedly connected with a second plate 19 which is perpendicular to the first plate 18, the pressing strip 4 is fixedly installed between the two second plates 19 and located at the bottom of the second plates 19, the thickness of the pressing strip 4 is less than 1mm, and the length of the pressing strip 4 is greater than the length of the edge binding strip 26.

[0033] The two second plates 19 are also rotatably connected with a rotating plate 20 which is parallel to the pressing strip 4, the rotating plate 20 is fixedly installed with a third telescopic piece 21 (an electric push rod can be used), the telescopic end of the third telescopic piece 21 is fixedly connected with a scraping strip which is used to assist the folding of the edge binding strip 26.

[0034] One of the second plates 19 is provided with a driving assembly which is used to drive the rotating plate 20 to rotate.

[0035] It should be noted that, in order to prevent the problem of folding by wind force, the scraping strip is rotated by the driving assembly and the scraping strip is telescoped by the third telescopic piece 21, the edge binding strip 26 is flipped above the pressing strip 4 by the scraping strip, which is similar to the action of shoveling, which can normally produce folding, and can also confirm the position of the edge binding strip 26 again, prevent the edge binding strip 26 from being partially folded and possibly wrinkled, and ensure the normal sewing of the edge binding strip 26.

[0036] At the same time, in order to prevent the problem of over-folding (such as three-fold) of the edge binding strip 26, the surface of the pressing strip 4 is provided with a plurality of particles, which can generate a certain friction on the edge binding strip 26 when the pressing strip 4 is separated from the edge binding strip 26, so as to pull the edge binding strip 26 (in the clamping state of the bottom plate 5 and the pressing plate 7), thereby correcting the over-folding problem (three-fold problem) of the edge binding strip 26.

[0037] As shown in Figure 6 In this embodiment, the scraping strip is H-shaped, and the scraping strip includes a scraping piece 22 and an alignment piece 23, the scraping piece 22 causes the edge binding strip 26 to be folded when performing the shoveling action (the above-mentioned scraping strip).

[0038] As shown in Figure 7 , 8As shown, after the alignment piece 23 passes the edge binding strip 26, the driving assembly drives the alignment piece 23 to reverse rotation, and the alignment piece 23 enters below the edge binding strip 26. The driving assembly and the third telescopic piece 21 drive the alignment piece 23 to move towards the pressing block direction, and the alignment piece 23 performs a reverse shovel-like action to adjust the folding width of the edge binding strip 26. If the edge binding strip 26 is inclined along the length direction of the alignment piece 23 (the edge binding strip 26 is not parallel to the alignment piece 23), the alignment piece 23 can adjust the inclination (when adjusting, the pressing strip 4 moves up, and the garment 27 can move), and under the bidirectional extrusion of the pressing plate 7, the bottom plate 5 and the alignment piece 23, the alignment piece 23 can adjust the inclination of the edge binding strip 26, so as to ensure that the edge binding strip 26 can be correctly clamped by the pressing plate 7 and the bottom plate 5, and the sewing line sewn by the sewing machine is kept at a uniform distance from the edge of the edge binding strip 26.

[0039] Preferably, the driving assembly comprises a second speed reducer 24 fixed on the second plate 19, the output end of the second speed reducer 24 is fixedly connected with the rotating plate 20, and the input end of the second speed reducer 24 is fixedly connected with a second driving motor 25. The second driving motor 25 is a forward-reverse motor.

[0040] Embodiment 2 A garment edge binding sewing method, comprising the following steps: S1: using a mechanical arm to place a garment with an edge binding strip sewn thereon on a conveying piece in sequence, and conveying the garment to an automatic sewing machine by the conveying piece.

[0041] S2: after the garment is conveyed to the automatic sewing machine, the conveying piece stops moving, and the first telescopic piece drives the pressing strip to press the garment and the edge binding strip.

[0042] S3: the air blowing assembly blows air to the edge binding strip to make the edge binding strip fold, and the edge binding strip is above the pressing strip.

[0043] S4: the clamping assembly is driven by the moving assembly to approach the edge binding strip, the clamping assembly clamps the edge binding strip and the garment at the same time, and then moves to the automatic sewing machine, and the automatic sewing machine sews the edge binding strip.

[0044] The above embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the patent of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the protection scope of the present application.

Claims

1. A garment hemming and seaming apparatus characterized by, It comprises a conveying part (1), a folding mechanism and an automatic sewing machine (2); The folding mechanism comprises a first telescopic part (3), a pressing strip (4) fixedly connected with the telescopic end of the first telescopic part (3), a clamping assembly, a blowing assembly and a moving assembly for driving the clamping assembly to move. The pressing strip (4) presses the edge of the garment on the conveying part (1) and only exposes the binding strip, the blowing assembly blows air on the binding strip under the driving of the moving assembly to make the binding strip fold, and the clamping assembly clamps the folded binding strip and carries it to the automatic sewing machine (2) for sewing to form the inner binding of the garment.

2. A garment edging and seaming device according to claim 1, wherein, The clamping assembly comprises an iron bottom plate (5), two limiting rods (6) are fixedly arranged on the bottom plate (5), and a pressing plate (7) is movably arranged on the limiting rods (6). An electromagnet (9) is fixedly arranged on the pressing plate (7) and used to control the distance between the pressing plate (7) and the bottom plate (5).

3. A garment edging and seaming device according to claim 2, wherein, The blowing assembly comprises a bellows (10) fixedly arranged on the bottom plate (5), a plurality of jet holes (11) are arranged on the bellows (10), and the jet holes (11) are used to spray air flow to blow up the binding strip to generate folding. The bellows (10) is connected with a gas generating device.

4. A garment edging and seaming device according to claim 3, wherein, The moving assembly comprises an X-direction moving part and a Y-direction moving part. The X-direction moving part comprises two first reducers (12) fixedly installed on the table top of the automatic sewing machine (2), a first driving motor (13) is fixedly connected with the input end of each first reducer (12), the first driving motor (13) is a forward and reverse motor, a lead screw shaft (14) is fixedly connected with the output end of each first reducer (12), and the lead screw shafts (14) are threadedly connected on the same bracket (15). The Y-direction moving part comprises a second telescopic part (16) fixedly arranged on the bracket (15), a moving block (17) is fixedly connected with the telescopic end of the second telescopic part (16), and the moving block (17) is fixedly connected with the bottom plate (5).

5. A garment edging and seaming device according to claim 4, wherein, The telescopic end of the first telescopic part (3) is fixedly connected with a first plate (18), the two ends of the first plate (18) are fixedly connected with second plates (19) perpendicular to the first plate (18), and the pressing strip (4) is fixedly installed between the two second plates (19) and located at the bottom of the second plates (19). A rotating plate (20) parallel to the pressing strip (4) is further rotationally connected between the two second plates (19), a third telescopic part (21) is fixedly installed on the rotating plate (20), and a scraping strip for assisting the folding of the binding strip is fixedly connected with the telescopic end of the third telescopic part (21). One of the second plates (19) is provided with a driving assembly for driving the rotating plate (20) to rotate.

6. A garment edging and seaming device according to claim 5, wherein, The scraping strip is in H shape, the scraping strip comprises a scraping piece (22) and an alignment piece (23), and the alignment piece (23) is used to adjust the inclination of the binding strip.

7. A garment edging and seaming device according to claim 5, wherein, The driving assembly comprises a No. 2 speed reducer (24) fixed on the No. 2 plate (19), the output end of the No. 2 speed reducer (24) is fixedly connected with the rotating plate (20), the input end of the No. 2 speed reducer (24) is fixedly connected with a No. 2 driving motor (25), and the No. 2 driving motor (25) is a forward and reverse motor.

8. A garment edging and seaming device according to claim 1, wherein, The conveying member (1) is a belt type conveyor.

9. A method of using the garment edge covering seaming device of any one of claims 1-8 to perform edge covering seaming, the method comprising: The method comprises the following steps: S1: using a mechanical arm to place a garment with a sewn edge strip on the conveying member (1) in sequence, and conveying the garment to the automatic sewing machine (2) by the conveying member (1); S2: after the garment is conveyed to the automatic sewing machine (2), the conveying member (1) stops moving, and the No. 1 telescopic member (3) drives the pressing strip (4) to press the junction of the garment and the edge strip; S3: the blowing assembly blows air on the edge strip, so that the edge strip is folded, and the edge strip is located above the pressing strip (4); S4: the clamping assembly is driven by the moving assembly to approach the edge strip, the clamping assembly clamps the edge strip and the garment at the same time, and then moves to the automatic sewing machine (2), and the automatic sewing machine (2) sews the edge strip.