A folding waist rope sewing machine

Abstract

The present invention discloses a folding waist rope sewing machine, which comprises a machine frame. The machine frame is provided with a waist rope feeding and conveying device, a sewing head and a sewing machine feeding device. The sewing machine feeding device is connected with a material aligning and clamping mechanism. The material aligning and clamping mechanism comprises a clamping piece support. Two limiting rods are arranged side by side in the middle of the clamping piece support. The end part of the limiting rod has a limiting part bent upwards. At both ends of the clamping piece support, there are liftable first clamping seats. The first clamping seats are provided with second clamping seats capable of moving horizontally. A clamping cylinder is arranged on the second clamping seat. The clamping cylinder is connected with a clamping piece assembly for clamping the end part of the waist rope.

Description

Technical Field

[0001] The present invention relates to clothing sewing equipment, specifically to a waist rope folding sewing machine for automatic operation at the end of the waist rope. Background Art

[0002] The utility model patent with the patent number 201621242209.X discloses a full-automatic waist rope coiling and sealing machine, including a machine frame and an electric control box, a rope feeding mechanism, and a rope coiling mechanism installed on the machine frame; the rope feeding mechanism feeds the waist rope to be processed to the rope coiling mechanism for coiling processing; the rope feeding mechanism includes a length measuring device, a cutting device, and a pushing device; the rope coiling mechanism includes a bartack machine and a coiling belt conveyor. The full-automatic waist rope coiling and sealing machine disclosed in this patent automatically feeds the waist rope to be processed into the coiling clip of the coiling belt conveyor through the rope feeding mechanism. After the coiling clip closes, it rotates horizontally by 360 degrees, and then sends the coiled belt to the bartack machine for processing. Due to the low control accuracy of material grasping and feeding of the rope feeding mechanism, the coiling quality of the end of the waist rope is unstable in this full-automatic waist rope coiling and sealing machine. The automatic feeding speed of the waist rope of the whole machine is relatively low. At the same time, two sewing heads are required to sew the two ends of the waist rope respectively, and the manufacturing cost is relatively high. Summary of the Invention

[0003] In view of the above-mentioned current situation of the prior art, the present invention provides a waist rope folding sewing machine to realize the full-automatic operation of waist rope feeding, pulling, feeding, winding and sewing, so that the waist rope feeding speed is faster, the control is more accurate, and the operation efficiency and quality are improved.

[0004] The technical solution adopted by the present invention to solve the above technical problems is: a waist rope folding sewing machine, including a machine frame, the machine frame is provided with a waist rope feeding and conveying device, a sewing head and a sewing machine feeding device. The sewing machine feeding device is connected with a material rectifying clip mechanism. The material rectifying clip mechanism includes a clip support. Two limiting rods are arranged side by side in the middle of the clip support. The end of the limiting rod has a limiting part bent upward; at both ends of the clip support, there are liftable first clamping seats. The first clamping seats are provided with second clamping seats that can move horizontally. The second clamping seats are provided with clamping air cylinders, and the clamping air cylinders are connected with a clamping piece assembly for clamping the end of the waist rope.

[0005] To optimize the above technical solution, the present invention also includes the following improved technical solutions.

[0006] An auxiliary limiting support is fixed in the middle of the above-mentioned clip support. The auxiliary limiting support is provided with mounting holes for installing the limiting rods. The tail of the limiting rod is fixed with an auxiliary connecting plate. The auxiliary connecting plate is fixed in the mounting hole. The auxiliary connecting plate is provided with a sliding groove for adjusting the mounting position.

[0007] The above-mentioned clamping piece assembly is arranged horizontally. The front ends of the two clamping pieces on both sides are opposite to the two limiting rods in the middle; the front end of the limiting part of the limiting rod is provided with a guiding inclined surface.

[0008] The above-mentioned clamping piece assembly includes two first clamping pieces and a second clamping piece with a clamping gap, and a third clamping piece driven by a clamping cylinder and capable of moving up and down.

[0009] Both ends of the above-mentioned clamping piece bracket are provided with third lifting guide rails, and the first clamping seat is installed on the third lifting guide rails; the clamping piece bracket is provided with a third lifting cylinder for driving the first clamping seat to move up and down.

[0010] A transverse guide rail is installed on the above-mentioned first clamping seat, and the second clamping seat is slidably installed on the transverse guide rail; the first clamping seat is provided with a third driving cylinder for driving the second clamping seat to slide.

[0011] The above-mentioned waist rope feeding and conveying device includes a waist rope feeding mechanism, a rotating and pulling mechanism, a feeding mechanism, and a rotating clamping mechanism installed on the frame. The waist rope feeding mechanism includes a feeding guide rail for conveying the waist rope, a feeding roller and a feeding motor for driving the waist rope to feed, and a cutting component for cutting off the waist rope section output by the feeding guide rail; the rotating and pulling mechanism includes a pulling mounting seat fixed on the frame. The pulling mounting seat is provided with a rotatable pulling drive shaft. The end of the pulling drive shaft is fixedly connected with a pulling arm, and a first material clamp for clamping and pulling the end of the waist rope at the output port of the feeding guide rail is fixed at the outer end of the pulling arm; the feeding mechanism includes a first feeding mechanism for clamping the head of the pulled waist rope and a second feeding mechanism for clamping the tail of the pulled waist rope. The first feeding mechanism and the second feeding mechanism respectively send the head and tail of the waist rope to the rotating clamping mechanism.

[0012] The above-mentioned rotating clamping mechanism includes a rotating clamping mounting seat. Two bearing seats are arranged side by side on the rotating clamping mounting seat. A rotatable first rotating shaft is arranged in each bearing seat. The front end of the first rotating shaft is connected with a coiling and clamping device, and the tail end of the first rotating shaft is connected with a rotating drive motor through a rotating transmission component; the rotating clamping mounting seat is slidably installed on the feeding guide rail, and the feeding motor drives the rotating clamping mounting seat to move through a belt transmission component to send both ends of the coiled waist rope to the material aligning and clamping piece mechanism.

[0013] The above-mentioned frame is provided with a material receiving mechanism. The material receiving mechanism includes a material receiving bracket located in front of the material aligning and clamping piece mechanism. The material receiving bracket is provided with two rotating seats arranged side by side. Each rotating seat is correspondingly provided with a material receiving cylinder for driving its rotation, and a material receiving clamp assembly for clamping the waist rope is installed on the rotating seat; the material receiving clamp assembly has a guiding clamping plate.

[0014] The above-mentioned material receiving bracket is provided with two adjusting mounting seats capable of adjusting the spacing distance, and a motor synchronous belt assembly for driving the adjusting mounting seats to move; the two rotating seats are installed on the corresponding adjusting mounting seats.

[0015] Compared with the prior art, the rotary material pulling mechanism of the present invention realizes the output of the waist rope from the feeding mechanism through the rotary material pulling action. The working principle of the rotary material pulling improves the output speed of the waist rope, thereby improving the overall operation efficiency. At the same time, it is convenient for the feeding mechanism to grasp both ends of the pulled waist rope. When the first feeding mechanism and the second feeding mechanism send the head and tail of the waist rope to the rotary clamping mechanism respectively, the correction fork and the correction support plate are used to correct the position of the end of the waist rope, improving the winding quality of the end of the waist rope. The material rectifying clip mechanism positions the feeding position of the coil clamping device through the limiting part bent upward. The clamping piece assembly can accurately clamp and fix the end of the waist rope wound on the coil clamping device, facilitating the feeding to the sewing needle for sewing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the overall structural schematic diagram of the embodiment of the present invention.

[0017] Figure 2 is Figure 1 the three-dimensional structural schematic diagram of the waist rope feeding mechanism in

[0018] Figure 3 is Figure 1 the three-dimensional structural schematic diagram of the rotary material pulling mechanism in

[0019] Figure 4 is Figure 3 the assembly and disassembly schematic diagram of

[0020] Figure 5 is Figure 1 the three-dimensional structural schematic diagram of the first feeding mechanism in

[0021] Figure 6 is Figure 1 the three-dimensional structural schematic diagram of the second feeding mechanism in

[0022] Figure 7 is Figure 1 the three-dimensional structural schematic diagram of the rotary clamping mechanism in

[0023] Figure 8 is Figure 1 the three-dimensional structural schematic diagram of the material rectifying clip mechanism in

[0024] Figure 9 is Figure 1 the three-dimensional structural schematic diagram of the material receiving mechanism in DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following further describes the embodiments of the present invention in detail with reference to the accompanying drawings.

[0026] Figures 1 to 9 The structural schematic diagram of the present invention is shown as follows.

[0027] The reference numerals therein are: material pulling mounting seat 1, material pulling motor 11, material pulling drive shaft 12, material pulling arm 13, first material clamp 14, material clamping drive cylinder 14a, material clamping fixed plate 14b, material clamping moving plate 14c, calibration fork 15, first calibration plate 15a, second calibration plate 15b, first calibration cylinder 15c, first lifting cylinder 18, first lifting plate 19, material feeding mounting seat 2, material feeding rotary cylinder 21, material feeding arm 22, second material clamp 23, second mounting seat 24, first drive cylinder 25, third mounting seat 26, second drive cylinder 27, rotary material clamping mounting seat 3, bearing seat 31, first rotating shaft 32, rotary drive motor 33, material feeding guide rail 34, coiled material clamping device 35, calibration support plate 4, second lifting cylinder 41, auxiliary material pressing cylinder 42, auxiliary material pressing plate 43, clip support 5, limit rod 51, limiting portion 52, guiding inclined surface 52a, auxiliary limiting support 53, auxiliary connecting plate 54, sliding groove 55, third lifting guide rail 56, first material clamping seat 6, second material clamping seat 61, material clamping cylinder 62, first material clamping piece 63, second material clamping piece 64, third material clamping piece 65, third drive cylinder 66, transverse guide rail 67, machine frame 7, sewing head 71, sewing machine material feeding device 72, feeding guide rail 8, feeding roller 81, material receiving support 9, rotating seat 91, material receiving cylinder 92, guiding clamping plate 93, adjusting mounting seat 94, motor synchronous belt assembly 95.

[0028] The folding waist rope sewing machine of the present invention includes a machine frame 7, and the machine frame 7 is provided with a waist rope feeding and conveying device, a sewing head 71 and a sewing machine material feeding device 72. The sewing machine material feeding device 72 is connected with a material aligning and clamping mechanism. The waist rope feeding and conveying device inputs the coiled waist rope material, pulls out a waist rope section of a set length, cuts it off, and then winds and folds the two ends of the waist rope and sends them to the material aligning and clamping mechanism for clamping and fixing. The sewing machine material feeding device 72 sends the folded parts of the two ends of the waist rope to the sewing needle of the sewing machine for sewing and fixing.

[0029] As Figures 2 to 7 shown, the waist rope feeding and conveying device includes a waist rope feeding mechanism, a rotary material pulling mechanism, a material feeding mechanism and a rotary material clamping mechanism mounted on the machine frame 7. The waist rope feeding mechanism includes a feeding guide rail 8 for conveying the waist rope, a feeding roller 81 for driving the waist rope to feed and a feeding motor, and a cutting component for cutting off the waist rope section output by the feeding guide rail 8.

[0030] A plurality of feeding rollers 81 can be arranged along the feeding guide rail 8. The feeding rollers 81 are driven by a stepping motor, and the conveying length of the waist rope can be controlled. The cutting component is located at the output port of the feeding guide rail 8 and cuts off the pulled waist rope section.

[0031] In a preferred embodiment, the waist rope feeding mechanism is provided with two sets of feeding guide rails 8. One set of feeding guide rails 8 corresponds to a cutting component including a cutting knife and a cutting cylinder for driving, and the other set of feeding guide rails 8 corresponds to an ultrasonic cutting structure. One of the two sets of feeding guide rails 8 can be selected for feeding according to the material of the waist rope, and different cutting methods can be adopted for different waist rope materials to ensure that the cut of the waist rope is neat and beautiful.

[0032] The rotary material pulling mechanism includes a material pulling mounting seat 1 fixed on the frame 7. The material pulling mounting seat 1 has a motor mounting position and a transmission gear mounting position. A material pulling motor 11 is fixed at the motor mounting position, and the power output shaft of the material pulling motor 11 is connected to a material pulling drive shaft 12 rotatably arranged on the material pulling mounting seat 1 through a transmission gear. A material pulling arm 13 is fixedly connected to the end of the material pulling drive shaft 12, and a first material clamp 14 for clamping the end of the waist rope is fixed to the outer end of the material pulling arm 13.

[0033] The material pulling arm 13 is vertically connected to the material pulling drive shaft 12. The material pulling motor 11 controls the rotation of the material pulling drive shaft 12, and the first material clamp 14 rotates around the axis of the material pulling drive shaft 12 to pull the head of the waist rope from the outlet of the feeding guide rail 8 to the material pulling position.

[0034] The first material clamp 14 includes a clamping drive cylinder 14a fixedly connected to the material pulling arm 13 and a clamping fixed plate 14b. The piston rod of the clamping drive cylinder 14a is connected with a clamping moving plate 14c that cooperates with the clamping fixed plate 14b to clamp the material.

[0035] The feeding mechanism includes a first feeding mechanism for clamping and pulling out the head of the waist rope and a second feeding mechanism for clamping and pulling out the tail of the waist rope. The first feeding mechanism and the second feeding mechanism are symmetrically arranged on both sides of the rotary clamping mechanism. In this embodiment, the first feeding mechanism is located on the left side of the rotary clamping mechanism. After the first material clamp 14 pulls out the head of the waist rope, the first feeding mechanism can just clamp the head of the waist rope and send it to the rotary clamping mechanism. The second feeding mechanism is located on the right side of the rotary clamping mechanism, and can clamp the tail of the cut waist rope at the outlet of the feeding guide rail 8 and send it to the rotary clamping mechanism.

[0036] The feeding mechanism has a feeding mounting seat 2. A feeding rotary cylinder 21 is fixed on the feeding mounting seat 2. The driving rod of the feeding rotary cylinder 21 is connected with a feeding arm 22, and the feeding arm 22 is connected with a second material clamp 23 for clamping the waist rope. After the second material clamp 23 clamps the end of the waist rope, it is controlled by the feeding rotary cylinder 21 to rotate and send the end of the waist rope to the rotary clamping mechanism.

[0037] The feeding mounting base 2 is slidably arranged on the second mounting base 24, and the second mounting base 24 is provided with a first driving cylinder 25 for driving the feeding mounting base 2 to slide. The second mounting base 24 is slidably arranged on the third mounting base 26, and the third mounting base 26 is provided with a second driving cylinder 27 for driving the second mounting base 24 to slide. The first driving cylinder 25 and the second driving cylinder 27 can control the horizontal movement positions of the feeding mounting base 2 and the feeding rotating cylinder 21.

[0038] The rotating material clamping mechanism includes a rotating material clamping mounting base 3. Two bearing seats 31 are arranged side by side on the rotating material clamping mounting base 3. A rotatable first rotating shaft 32 is arranged in each bearing seat 31. The front end of the first rotating shaft 32 is connected with a coil material clamping device 35, and the tail end of the first rotating shaft 32 is connected with a rotating driving motor 33 through a rotating transmission assembly. The rotating transmission assembly can be a synchronous belt transmission mechanism or a gear transmission mechanism. The coil material clamping device 35 includes a first clamping piece and a second clamping piece capable of clamping the end of the waist rope, and a coil material clamping cylinder for driving the first clamping piece and the second clamping piece to open and close.

[0039] Calibration forks 15 capable of lifting and lowering movements are arranged on both sides of the material pulling driving shaft 12. The material pulling mounting base 1 is provided with a first lifting cylinder 18, and the driving rod of the first lifting cylinder 18 is connected with a first lifting plate 19. The calibration forks 15 are movably installed on both sides of the first lifting plate 19.

[0040] The calibration forks 15 include a first calibration plate 15a and a second calibration plate 15b capable of opening and closing. First calibration cylinders 15c for driving the first calibration plate 15a and the second calibration plate 15b to open and close are respectively arranged on both sides of the first lifting plate 19. A groove for accommodating the waist rope is formed between the first calibration plate 15a and the second calibration plate 15b.

[0041] A calibration supporting plate 4 capable of lifting and lowering is arranged below the calibration forks 15, and the calibration supporting plate 4 is installed on a second lifting cylinder 41. The feeding mechanism first sends the end of the waist rope to the calibration supporting plate 4, and then the calibration forks 15 descend. After the first calibration plate 15a and the second calibration plate 15b fork the end of the waist rope and close, the end of the waist rope is fixed in the groove between the first calibration plate 15a and the second calibration plate 15b. The calibration forks 15 can calibrate the placement position of the end of the waist rope, so that the coil material clamping device 35 can accurately clamp it, and ensure that the winding quality of each end winding operation is consistent.

[0042] An auxiliary pressing cylinder 42 is arranged between the first rotating shafts 32. The auxiliary pressing cylinder 42 is connected with an auxiliary pressing plate 43 capable of lifting and lowering. The auxiliary pressing plate 43 has two pressing parts, and the pressing parts are respectively located above the corresponding coil material clamping devices 35.

[0043] After the first clip and the second clip clamp the end of the waist rope at the correction fork 15, the rotation drive motor 33 drives the coil material clamping device 35 to rotate, causing the end of the waist rope to wind, and then the pressing part of the auxiliary pressing plate 43 presses the wound end of the waist rope.

[0044] The rotating material clamping mounting seat 3 is slidably mounted on the feeding guide rail 34, and the feeding motor drives the rotating material clamping mounting seat 3 to move through the belt transmission assembly, sending both ends of the wound waist rope to the material rectifying clip mechanism.

[0045] The material rectifying clip mechanism includes a clip support 5. Two limiting rods 51 are arranged side by side in the middle of the clip support 5, and the end of the limiting rod 51 has a limiting part 52 bent upward. At both ends of the clip support 5, there is a liftable first material clamping seat 6. The first material clamping seat 6 is provided with a second material clamping seat 61 that can move horizontally. The second material clamping seat 61 is provided with a material clamping cylinder 62, and the material clamping cylinder 62 is connected with a material clamping piece assembly for clamping the end of the waist rope.

[0046] An auxiliary limiting support 53 is fixed in the middle of the clip support 5. The auxiliary limiting support 53 is provided with mounting holes for mounting the limiting rods 51. The tail of the limiting rod 51 is fixed with an auxiliary connecting plate 54, and the auxiliary connecting plate 54 is fixed in the mounting hole. The auxiliary connecting plate 54 is provided with a sliding groove 55 for adjusting the mounting position.

[0047] The material clamping piece assembly is arranged horizontally, and the front ends of the two side material clamping pieces are opposite to the two middle limiting rods 51. The front end of the limiting part 52 of the limiting rod 51 is provided with a guiding inclined surface 52a.

[0048] The material clamping piece assembly includes two first material clamping pieces 63 and a second material clamping piece 64 with a material clamping gap, and a third material clamping piece 65 driven by the material clamping cylinder 62 and capable of moving up and down.

[0049] At both ends of the clip support 5, there are third lifting guide rails 56, and the first material clamping seat 6 is mounted on the third lifting guide rails 56. The clip support 5 is provided with a third lifting cylinder for driving the first material clamping seat 6 to move up and down.

[0050] A horizontal guide rail 67 is mounted on the first material clamping seat 6, and the second material clamping seat 61 is slidably mounted on the horizontal guide rail 67. The first material clamping seat 6 is provided with a third driving cylinder 66 for driving the second material clamping seat 61 to slide. ]

[0051] The front ends of the two groups of coil material clamping devices 35 move to the limiting part 52, and then the two side material clamping piece assemblies move horizontally towards the middle. The first material clamping piece 63, the second material clamping piece 64, and the third material clamping piece 65 respectively clamp the three layers after the end of the waist rope is folded.

[0052] The rack 7 is provided with a material receiving mechanism. The material receiving mechanism includes a material receiving support 9 located in front of the material aligning clip mechanism. The material receiving support 9 is provided with two rotating seats 91 arranged side by side. Each rotating seat 91 is correspondingly provided with a material receiving cylinder 92 for driving its rotation. A material receiving clip assembly for clamping the waist rope is installed on the rotating seat 91. The material receiving clip assembly has a guiding clamping plate 93.

[0053] The material receiving support 9 is provided with two adjusting mounting seats 94 capable of adjusting the spacing distance, and a motor synchronous belt assembly 95 for driving the movement of the adjusting mounting seats 94. The two rotating seats 91 are installed on the corresponding adjusting mounting seats 94. When the rotating clamping mechanism sends the waist rope to the material aligning clip mechanism, the body of the waist rope section is guided by the guiding clamping plate 93 and clamped into the material receiving clip assembly. After the end of the waist rope is sewn, the material receiving cylinder 92 drives the material receiving clip assembly to flip, and places the sewn waist rope at the material receiving position.

[0054] The best embodiments of the present invention have been illustrated, and various changes or modifications made by those of ordinary skill in the art will not depart from the scope of the present invention.

Claims

1. A waist-folded rope sewing machine, comprising a machine frame (7), characterized in that: The described frame (7) is provided with a waist rope feeding and conveying device, a sewing machine head (71) and a sewing machine feeding device (72). The sewing machine feeding device (72) is connected with a material aligning and clamping mechanism. The material aligning and clamping mechanism includes a clamping plate support (5). In the middle of the clamping plate support (5), two limiting rods (51) are arranged side by side. The end of the limiting rod (51) has a limiting part (52) bent upward. At both ends of the clamping plate support (5), there are liftable first clamping seats (6). The first clamping seats (6) are provided with second clamping seats (61) capable of lateral movement. A clamping cylinder (62) is arranged on the second clamping seat (61). The clamping cylinder (62) is connected with a clamping plate assembly for clamping the end of the waist rope. The waist rope feeding and conveying device includes a waist rope feeding mechanism, a rotating and pulling mechanism, a feeding mechanism and a rotating clamping mechanism installed on the frame (7). The waist rope feeding mechanism includes a feeding guide rail (8) for conveying the waist rope, a feeding roller (81) and a feeding motor for driving the waist rope to feed, and a cutting component for cutting off the waist rope section output by the feeding guide rail (8). The rotating and pulling mechanism includes a pulling mounting seat (1) fixed on the frame (7). The pulling mounting seat (1) is provided with a rotatable pulling drive shaft (12). The end of the pulling drive shaft (12) is fixedly connected with a pulling arm (13). A first material clamp (14) for clamping the end of the waist rope at the output port of the feeding guide rail (8) and pulling it out is fixed at the outer end of the pulling arm (13). The feeding mechanism includes a first feeding mechanism for clamping the head of the pulled waist rope and a second feeding mechanism for clamping the tail of the pulled waist rope. The first feeding mechanism and the second feeding mechanism respectively send the head and tail of the waist rope to the rotating clamping mechanism. The rotating clamping mechanism includes a rotating clamping mounting seat (3). Two bearing seats (31) are arranged side by side on the rotating clamping mounting seat (3). A rotatable first rotating shaft (32) is arranged in each bearing seat (31). The front end of the first rotating shaft (32) is connected with a winding and clamping device (35). The tail end of the first rotating shaft (32) is connected with a rotating drive motor (33) through a rotating transmission component. The rotating clamping mounting seat (3) is slidably mounted on the feeding guide rail (34). The feeding motor drives the rotating clamping mounting seat (3) to move through a belt transmission component to send the two ends of the wound waist rope to the material aligning and clamping mechanism.

2. The folding waist rope sewing machine according to claim 1, characterized in that: An auxiliary limiting support (53) is fixed in the middle of the clamping plate support (5). The auxiliary limiting support (53) is provided with mounting holes for mounting the limiting rods (51). An auxiliary connecting plate (54) is fixed at the tail of the limiting rod (51). The auxiliary connecting plate (54) is fixed in the mounting hole. The auxiliary connecting plate (54) is provided with a sliding groove (55) for adjusting the mounting position.

3. The waist-folded rope sewing machine according to claim 1, characterized in that: The clamping plate assembly is arranged horizontally. The front ends of the two side clamping plates are opposite to the two middle limiting rods (51). A guiding inclined surface (52a) is made at the front end of the limiting part (52) of the limiting rod (51).

4. The waist-folded string sewing machine according to claim 3, characterized in that: The clamping piece assembly includes two first clamping pieces (63) and a second clamping piece (64) with a clamping gap, and a third clamping piece (65) driven by the clamping cylinder (62) and capable of moving up and down.

5. The waist-folded string sewing machine according to claim 1, characterized in that: Both ends of the clamping piece bracket (5) are provided with third lifting guide rails (56), and the first clamping seat (6) is installed on the third lifting guide rails (56); the clamping piece bracket (5) is provided with a third lifting cylinder for driving the first clamping seat (6) to move up and down.

6. The waist folding rope sewing machine according to claim 1, wherein: A transverse guide rail (67) is installed on the first clamping seat (6), and the second clamping seat (61) is slidably installed on the transverse guide rail (67); the first clamping seat (6) is provided with a third driving cylinder (66) for driving the second clamping seat (61) to slide.

7. The waist-folded rope sewing machine according to claim 1, wherein: The machine frame (7) is provided with a material receiving mechanism. The material receiving mechanism includes a material receiving bracket (9) located in front of the material aligning and clamping piece mechanism. The material receiving bracket (9) is provided with two rotating seats (91) arranged side by side. Each rotating seat (91) is correspondingly provided with a material receiving cylinder (92) for driving its rotation. A material receiving clamp assembly for clamping the waist rope is installed on the rotating seat (91); the material receiving clamp assembly has a guiding clamping plate (93).

8. The folding waist string sewing machine according to claim 7, characterized in that: The material receiving bracket (9) is provided with two adjusting mounting seats (94) capable of adjusting the spacing distance, and a motor synchronous belt assembly (95) for driving the adjusting mounting seats (94) to move; the two rotating seats (91) are installed on the corresponding adjusting mounting seats (94).

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