阅读说明：本技术 自动松紧带拼缝缝纫机 (Automatic elastic band joint sewing machine ) 是由 林江财 于 2019-09-20 设计创作，主要内容包括：本发明提出一种结构简单、生产成本低,能够自动调整松紧带张力,提高松紧带成品质量的自动松紧带拼缝缝纫机,包括机架,所述机架上依流水线设置有送料装置、松紧带成圈装置和缝纫装置,其特征在于：所述送料装置包括用于防止松紧带打结,并使得松紧带进料时保持平整防止弯卷的整料棍、用于将松紧带从整料棍牵引至松紧带成圈装置的第一牵引装置,所述整料棍可转动设置于所述机架上,所述机架上设置有用于驱动整料棍转动的第一驱动装置,所述机架上位于所述整料棍及第一牵引装置的下方设置有用于监测缠绕带位置并可控制第一驱动装置启动或者停止的第一感应器。(The invention provides an automatic elastic band joint sewing machine which is simple in structure and low in production cost, can automatically adjust the tension of an elastic band and improve the quality of an elastic band finished product, comprises a rack, and is characterized in that a feeding device, an elastic band looping device and a sewing device are arranged on the rack according to a production line: the feeding device comprises a material arranging rod for preventing the elastic band from knotting and keeping flat and preventing the elastic band from being curled when the elastic band is fed, and a first traction device for drawing the elastic band from the material arranging rod to the elastic band looping device, wherein the material arranging rod is rotatably arranged on the rack, a first driving device for driving the material arranging rod to rotate is arranged on the rack, and a first sensor for monitoring the position of the winding band and controlling the first driving device to start or stop is arranged below the material arranging rod and the first traction device on the rack.)

1. Automatic elastic cord piece together seam sewing machine, including the frame, be provided with material feeding unit, elastic cord lopping device and a plurality of sewing device, its characterized in that according to the assembly line in the frame: the feeding device comprises a material arranging rod for preventing the elastic band from knotting and keeping flat and preventing the elastic band from being curled when the elastic band is fed, and a first traction device for drawing the elastic band from the material arranging rod to the elastic band looping device, wherein the material arranging rod is rotatably arranged on the rack, a first driving device for driving the material arranging rod to rotate is arranged on the rack, and a first sensor for monitoring the position of the winding band and controlling the first driving device to start or stop is arranged below the material arranging rod and the first traction device on the rack.

2. The automatic elastic band piecing sewing machine of claim 1, wherein: the elastic band ironing machine is characterized in that an ironing plate used for ironing the elastic band is further arranged on the machine frame, the ironing plate can be arranged on the machine frame in a sliding mode, and a second driving device used for driving the ironing plate to slide is arranged on the machine frame.

3. The automatic elastic band piecing sewing machine of claim 1, wherein: the frame is provided with a funnel-shaped guide groove, and the first inductor is arranged at the lower end part in the funnel-shaped guide groove.

4. The automatic elastic band piecing sewing machine of claim 1, wherein: the elastic band connecting device is characterized in that a linkage rod is arranged on the rack, one end of the linkage rod is arranged on the rack, a through groove is formed in the connecting rod and is used for the elastic band to pass through, and a second sensor used for sensing the position of the linkage rod is arranged on the rack.

5. The automatic elastic band piecing sewing machine of claim 2, wherein: the ironing plate is arranged between the material arranging stick and the first sensor, a second traction device is arranged in the discharging direction of the ironing plate and comprises a second driving roll and a second driven roll, the second driving roll is matched with the second driven roll, and a second driving device used for driving the second driving roll to rotate is arranged on the rack.

6. The automatic elastic band piecing sewing machine of claim 1, wherein: the sewing device includes sewing machine, the clamping device who is used for centre gripping elastic cord both ends head, sewing machine set up in the frame, clamping device portable set up in the frame and be located sewing machine's below, be located in the frame the below of sewing machine can slide around can be provided with the locating piece, be provided with in the frame and be used for the drive the first drive arrangement that slides around the locating piece.

7. The automatic elastic band piecing sewing machine of claim 6, wherein: elastic cord lopping device includes first slip frame, first slip frame can slide around set up in the frame just is located sewing machine's the place ahead, be provided with two tilting mechanism on the first slip frame, place the board can slide around set up in the frame, two tilting mechanism set up respectively in place the left and right sides of board, place the board can with clamping device offsets and touches, the frame with place and be provided with the elastic component that makes and place the board return between the board.

8. The automatic elastic band piecing sewing machine of claim 1, wherein: first draw gear includes first drive roll, first driven voller, first drive roll with first driven voller rotatable set up in the frame, be provided with the second rotation drive arrangement who is used for driving first drive roll in the frame, first drive roll is in coincidence with first driven voller, the elastic cord sets up between first driven voller and first drive roll, first driven voller can slide from top to bottom and set up in the frame, be provided with in the frame and be used for the drive the second drive arrangement that slides from top to bottom that slides from first driven voller, the direction of feed that lies in first draw gear in the frame can slide from top to bottom and be provided with and detect the piece, detect the lower terminal surface of piece with the frame is in coincidence, and the elastic cord sets up between detecting piece and frame, be provided with in the frame and be used for the response detect the third inductor of piece position.

9. The automatic elastic band piecing sewing machine of claim 8, wherein: the frame is provided with the guide bar along the horizontal direction, the cover that can slide on the guide bar is equipped with and detects the slider, it can slide from top to bottom to detect the piece set up in detect the slider, the third inductor set up in detect the slider.

10. The automatic elastic band piecing sewing machine of claim 1, wherein: the sewing machine comprises a frame, a plurality of sewing devices, an elastic band looping device and a third sliding driving device, wherein the sewing devices are arranged on the frame side by side, the elastic band looping device can slide along the arrangement direction of the sewing machine and is arranged on the frame, and the frame is provided with the third sliding driving device for driving the elastic band looping device.

Technical Field

The invention relates to the technical field of garment production equipment, in particular to an automatic elastic band seam sewing machine.

Background

The full-automatic elastic band joint sewing machine is used for automatically cutting and jointing the whole roll of elastic bands, and comprises an elastic band looping device and a sewing device. The traditional elastic band looping device comprises an elastic band feeding device, an elastic band clamping device and an elastic band overturning device, wherein the elastic band overturning device comprises two overturning clamps. When the elastic band is looped, one end of the elastic band is clamped by a clamping head of the elastic band, the clamping head transversely outwards pulls the elastic band to fall into clamping openings of two overturning clamps, the clamping openings of the overturning clamps are closed and the other end of the elastic band is cut off, the two overturning clamps rotate inwards and then are closed, the elastic band is rotated to be looped, the looped elastic band is sent into the lower portion of a sewing machine head to be sewn, and finally the sewn elastic band is formed.

The existing automatic elastic band joint seam sewing machine is generally characterized in that a whole roll of elastic band is rotatably arranged on a rack and is pulled by a traction device on a feeding device, the elastic band is easily loosened on a machine table or a bottom surface in a feeding mode to cause fouling of the elastic band, and moreover, the feeding device causes inconsistent tension of the elastic band during processing, the specification and the size of the sewed elastic band are easily inconsistent, and the yield is low.

The existing automatic elastic band joint seam sewing machine cannot iron and flatten the elastic band in the process of manufacturing the finished elastic band, and the size deviation of the elastic band can be further caused if the elastic band is ironed after being manufactured into the finished elastic band.

The existing whole roll of elastic band usually has a plurality of splicing parts in the manufacturing process, the existing automatic elastic band splicing sewing machine cannot automatically remove the splicing parts, the finished elastic band products need to be further inspected manually, the labor is consumed, and the cost is increased.

Disclosure of Invention

Therefore, aiming at the problems, the invention provides the automatic elastic band splicing and sewing machine which is simple in structure and low in production cost, can automatically adjust the tension of the elastic band and improve the quality of the finished elastic band.

In order to achieve the technical problem, the automatic elastic band joint sewing machine comprises a rack, wherein a feeding device, an elastic band looping device and a plurality of sewing devices are arranged on the rack along a production line, the feeding device comprises a material arranging rod for preventing an elastic band from knotting and keeping the elastic band smooth and preventing the elastic band from being curled when being fed, and a first traction device for drawing the elastic band from the material arranging rod to the elastic band looping device, the material arranging rod is rotatably arranged on the rack, a first driving device for driving the material arranging rod to rotate is arranged on the rack, and a first sensor for monitoring the position of a winding band and controlling the first driving device to start or stop is arranged on the rack and is positioned below the material arranging rod and the first traction device.

The further improvement is that: the elastic band ironing machine is characterized in that an ironing plate used for ironing the elastic band is further arranged on the machine frame, the ironing plate can be arranged on the machine frame in a sliding mode, and a second driving device used for driving the ironing plate to slide is arranged on the machine frame.

The further improvement is that: the frame is provided with a funnel-shaped guide groove, and the first inductor is arranged at the lower end part in the funnel-shaped guide groove.

The further improvement is that: the elastic band connecting device is characterized in that a linkage rod is arranged on the rack, one end of the linkage rod is arranged on the rack, a through groove is formed in the connecting rod and is used for the elastic band to pass through, and a second sensor used for sensing the position of the linkage rod is arranged on the rack.

The further improvement is that: the ironing plate is arranged between the material arranging stick and the first sensor, a second traction device is arranged in the discharging direction of the ironing plate and comprises a second driving roll and a second driven roll, the second driving roll is matched with the second driven roll, and a second driving device used for driving the second driving roll to rotate is arranged on the rack.

The further improvement is that: the sewing device includes sewing machine, the clamping device who is used for centre gripping elastic cord both ends head, sewing machine set up in the frame, clamping device portable set up in the frame and be located sewing machine's below, be located in the frame the below of sewing machine can slide around can be provided with the locating piece, be provided with in the frame and be used for the drive the first drive arrangement that slides around the locating piece.

The further improvement is that: elastic cord lopping device includes first slip frame, first slip frame can slide around set up in the frame just is located sewing machine's the place ahead, be provided with two tilting mechanism on the first slip frame, place the board can slide around set up in the frame, two tilting mechanism set up respectively in place the left and right sides of board, place the board can with clamping device offsets and touches, the frame with place and be provided with the elastic component that makes and place the board return between the board.

The further improvement is that: first draw gear includes first drive roll, first driven voller, first drive roll with first driven voller rotatable set up in the frame, be provided with the second rotation drive arrangement who is used for driving first drive roll in the frame, first drive roll is in coincidence with first driven voller, the elastic cord sets up between first driven voller and first drive roll, first driven voller can slide from top to bottom and set up in the frame, be provided with in the frame and be used for the drive the second drive arrangement that slides from top to bottom that slides from first driven voller, the direction of feed that lies in first draw gear in the frame can slide from top to bottom and be provided with and detect the piece, detect the lower terminal surface of piece with the frame is in coincidence, and the elastic cord sets up between detecting piece and frame, be provided with in the frame and be used for the response detect the third inductor of piece position.

The further improvement is that: the frame is provided with the guide bar along the horizontal direction, the cover that can slide on the guide bar is equipped with and detects the slider, it can slide from top to bottom to detect the piece set up in detect the slider, the third inductor set up in detect the slider.

The further improvement is that: the sewing machine comprises a frame, a plurality of sewing devices, an elastic band looping device and a third sliding driving device, wherein the sewing devices are arranged on the frame side by side, the elastic band looping device can slide along the arrangement direction of the sewing machine and is arranged on the frame, and the frame is provided with the third sliding driving device for driving the elastic band looping device.

By adopting the technical scheme, the invention has the beneficial effects that: 1. the tension of the elastic band during conveying can be automatically adjusted, and the problem that the finished elastic band products are different in size due to the fact that the tension is different during conveying is avoided; 2. if the elastic belt is knotted, the linkage rod is hooked to trigger the second sensor, so that the machine table can be stopped, the machine table is prevented from idling, and the working efficiency of the machine table is improved; 3. the elastic bands with connection points can be automatically removed, so that the yield is further improved; 4. can iron the elastic cord is automatic, improve the article looks and the finished product quality of elastic cord 5, detect more accurately to the tie point of elastic cord, the yields is high. 6. The positioning is more accurate when sewing the elastic band.

Drawings

Fig. 1 is a schematic structural view of an automatic elastic band seam sewing machine according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of an elastic band looping device and a sewing device according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a clamping device according to an embodiment of the invention.

Fig. 4 is a schematic structural view of an elastic band looping device according to an embodiment of the present invention.

FIG. 5 is a schematic structural diagram of a pair of cutting scissors and a detecting slider according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a third traction device according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a first traction device according to an embodiment of the present invention.

Fig. 8 is a schematic structural view of a first traction device, a third traction device and an elastic band looping device according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a feeding device according to an embodiment of the present invention.

Fig. 10 is a view from direction B of fig. 9.

FIG. 11 is a schematic diagram of a collector according to an embodiment of the invention.

FIG. 12 is a schematic structural diagram of a detection slider according to an embodiment of the present invention.

Fig. 13 is a schematic structural view of an elastic band looping device and a sewing device according to an embodiment of the present invention.

Fig. 14 is an enlarged view at a in fig. 5.

Fig. 15 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 16 is a schematic structural diagram of a second embodiment of the present invention.

Detailed Description

The invention will now be further described with reference to the accompanying drawings and specific embodiments.