Cloth feeding device of textile sewing machine

Abstract

The invention discloses a textile sewing machine cloth feeding device which comprises an operation table with a rectangular-ambulatory-plane cross section, sliding sleeves are slidably connected to the interiors of the two opposite side walls of the operation table, the sliding sleeves are slidably connected with sliding columns, the sliding columns are jointly and fixedly connected with a moving block, and a cloth feeding mechanism is arranged in the moving block; the cloth feeding mechanism comprises a groove and an air passing cavity which are formed in the moving block, a tooth frame is fixedly connected to the inner side wall of the groove, a fixing block is fixedly connected to the inner side wall of the operation table, a driving cavity is formed in the fixing block, and the fixing block is rotationally connected with a rotating shaft in a penetrating mode through a bearing. The cloth feeding device has the advantages that cloth feeding operation for sewing can be automatically carried out, different processing effects caused by different manual feeding proficiency degrees are avoided, safety during processing is guaranteed, meanwhile, sewing threads are automatically cut off after processing is completed, the automation degree is higher, use is more convenient, and cleaning is more convenient.

Description

Technical Field

[0001] The invention relates to the technical field of textile processing, in particular to a cloth feeding device of a textile sewing machine. Background Art

[0002] Textiles are one of the common light industrial products in our lives, including yarn, woven fabrics, knitted fabrics, braided fabrics, etc., and the processing of textiles is often inseparable from sewing machines. Sewing machines can sew cotton, linen, silk, wool, artificial fiber and other fabrics and leather, plastic, paper and other products. The stitches are neat, beautiful, flat and firm, the sewing speed is fast and easy to use. Among them, towels are one of the many textiles. In the production process of towels, in order to prevent the edges of textile towels from coming loose, sewing machines are generally used to lock the edges of towels. The locked edges of towels can effectively avoid the edges from coming loose.

[0003] At present, when most sewing machines lock the edges of towels, they generally push the towel fabric through the needle of the sewing machine manually. Different people have different proficiency in operating the sewing machine. For skilled operators, the towel can be pushed smoothly, while for unskilled operators, it is impossible to ensure smooth pushing, which leads to uneven towel edge patterns. On the one hand, it affects the locking effect, and on the other hand, it also affects the aesthetics, affecting the subsequent towel sales and causing unnecessary economic losses. In addition, the processing efficiency of the manual pushing processing method is also low. At the same time, after sewing is completed, the thread needs to be cut manually with scissors, which is cumbersome. Summary of the invention

[0004] The purpose of the present invention is to solve the problems in the prior art and to propose a cloth feeding device for a textile sewing machine.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A cloth feeding device for a textile sewing machine comprises an operating table with a U-shaped cross section, two opposite side walls of the operating table are slidably connected with a sliding sleeve, the sliding sleeve is slidably connected with a sliding column, the sliding column is fixedly connected with a moving block, and a cloth feeding mechanism is arranged in the moving block;

[0007] The cloth feeding mechanism includes a groove and an air passage cavity provided in the moving block, the inner side wall of the groove is fixedly connected with a gear frame, the inner side wall of the operating table is fixedly connected with a fixed block, a driving cavity is provided in the fixed block, the fixed block is rotatably connected with a rotating shaft through a bearing, one end of the rotating shaft extends through the driving cavity and is interference-fitted with a vortex impeller, and the other end extends through the outside of the fixed block and is interference-fitted with a gear, a tooth column is rotatably connected with a tooth column on the upper surface of the fixed block through a bearing, and the tooth column is meshed with the gear and the tooth frame together, a first pipe fitting and a second pipe fitting are fixedly connected through the fixed block, one end of the first pipe fitting and the second pipe fitting extends through the driving cavity, and the other end extends through the outside of the fixed block, the moving block is fixedly connected with a third pipe fitting and a fourth pipe fitting, one end of the third pipe fitting and the fourth pipe fitting extends through the air passage cavity, and the other end extends through the outside of the moving block, and a connecting hose is fixedly connected between the fourth pipe fitting and the first pipe fitting.

[0008] Furthermore, two opposite inner side walls of the operating table are each provided with a sliding hole, the sliding sleeve is slidably connected to the operating table through the sliding hole, a limiting groove is provided on the inner bottom wall of the sliding hole, a limiting block is slidably connected in the limiting groove, and the limiting block is fixedly connected to the corresponding sliding sleeve.

[0009] Furthermore, a positioning frame is fixedly connected to the upper surface of the moving block, an end of the third pipe member located outside the moving block is fixedly connected to an air intake hose, and a sewing machine is fixedly connected to the upper surface of the operating table.

[0010] Furthermore, an automatic cutting mechanism is provided in the positioning frame, and the automatic cutting mechanism includes a mounting groove opened on the inner side wall of the positioning frame, the inner side wall of the mounting groove is fixedly connected to a U-shaped tube, a piston and a top column are sealingly and slidably connected in the U-shaped tube, hydraulic oil is filled between the piston and the top column, the positioning frame and the moving block are jointly penetrated and fixedly connected with a fifth pipe fitting, one end of the fifth pipe fitting extends into the third pipe fitting, and the other end extends into the mounting groove and is fixedly connected to the U-shaped tube, a slider is slidably connected to the bottom wall of the mounting groove, a spring is fixedly connected between the slider and the inner side wall of the mounting groove, a cutting knife is fixedly connected to the side wall of the slider away from the spring, and the end of the top column located outside the U-shaped tube is fixedly connected to the slider.

[0011] Furthermore, the moving block is provided with a plurality of through holes, and the through holes are communicated with the air passage cavity.

[0012] Furthermore, a debris removal mechanism is provided in the fixed block, and the debris removal mechanism includes a cleaning groove opened in the fixed block, the fixed block is slidably connected with a sliding frame, the inner side wall of the sliding frame is fixedly connected with a filter, the fixed block and the first pipe fitting are jointly penetrated and fixedly connected with a sixth pipe fitting, one end of the sixth pipe fitting extends into the first pipe fitting, and the other end extends into the cleaning groove, a first solenoid valve is provided in the first pipe fitting, and a second solenoid valve is provided in the sixth pipe fitting.

[0013] Furthermore, the bearing between the rotating shaft and the fixed block is a sealed bearing, and the cross-sections of the limiting groove and the limiting block are both T-shaped.

[0014] The present invention has the following advantages:

[0015] 1. Compressed air enters the driving chamber and drives the vortex impeller to rotate, so that the gear drives the tooth column to rotate, and then the tooth column and the tooth frame are meshed to drive the motion block to make a rectangular motion, so that the edge of the towel passes straight through the sewing machine head for sewing, ensuring the straightness of the lock seam, thereby effectively avoiding the situation where operators with different proficiency use the sewing machine and causing different stitching quality, ensuring the processing quality;

[0016] 2. The towel fabric is transported through the movement of the motion block to complete the sewing, without manual fabric feeding, which greatly improves the processing efficiency and reduces the labor intensity. At the same time, it also avoids the need for the hand to be close to the sewing machine needle during manual operation, thereby effectively avoiding the risk of accidental injury of the finger by the needle and improving the processing safety;

[0017] 3. During the sewing process, the compressed air drives the moving block to move. When passing through the air cavity at high speed, it can also generate suction in the through hole, and fix the towel fabric by suction, so as to effectively avoid the towel fabric from moving during the sewing process and affecting the sewing effect;

[0018] 4. When the compressed air enters the first pipe fitting, it can also enter the fifth pipe fitting, so that the slider drives the cutting knife to slide into the installation groove. When sewing is finished and the air supply is stopped, the cutting knife is driven to slide out of the installation groove under the elastic force of the spring, and the wire is cut by the cutting knife, thereby realizing the automatic cutting operation, avoiding the tedious operation of manual cutting with scissors, and making the device more convenient to use;

[0019] 5. After the sewing operation is completed, when sewing is not in progress, the thread ends and fibers in the positioning frame can be sucked into the air cavity through the suction force generated in the through hole through compressed air, and then enter the cleaning groove through the first pipe fitting and the sixth pipe fitting for storage, thereby realizing automatic cleaning of the thread ends and fibers in the positioning frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of a cloth feeding device for a textile sewing machine proposed by the present invention;

[0021] Figure 2 for Figure 1 A in the enlarged view;

[0022] Figure 3 for Figure 1 The enlarged view of point B in the figure;

[0023] Figure 4 for Figure 1 Partial cross-sectional view at CC in ;

[0024] Figure 5 for Figure 4 The enlarged view of point D in the figure;

[0025] Figure 6 The present invention provides a top view of a cloth feeding device for a textile sewing machine.

[0026] In the figure: 1 operating table, 2 sliding sleeve, 3 sliding column, 4 moving block, 5 groove, 6 gear frame, 7 fixed block, 8 driving chamber, 9 rotating shaft, 10 vortex impeller, 11 gear, 12 gear column, 13 first pipe fitting, 14 second pipe fitting, 15 air passage chamber, 16 third pipe fitting, 17 fourth pipe fitting, 18 connecting hose, 19 air intake hose, 20 sliding hole, 21 sewing machine, 22 positioning frame, 23 mounting groove, 24 U-shaped pipe, 25 piston, 26 top column, 27 fifth pipe fitting, 28 slider, 29 spring, 30 cutting knife, 31 through hole, 32 cleaning groove, 33 sliding frame, 34 filter screen, 35 sixth pipe fitting, 36 first solenoid valve, 37 second solenoid valve, 38 limit groove, 39 limit block. DETAILED DESCRIPTION

[0027] Reference Figure 1-6 A cloth feeding device for a textile sewing machine comprises an operating table 1 with a U-shaped cross section, two opposite side walls of the operating table 1 are slidably connected with a sliding sleeve 2, the sliding sleeve 2 is slidably connected with a sliding column 3, the sliding column 3 is fixedly connected with a moving block 4, and a cloth feeding mechanism is arranged in the moving block 4;

[0028] The cloth feeding mechanism includes a groove 5 and an air passage cavity 15 provided in the moving block 4, a tooth frame 6 is fixedly connected to the inner wall of the groove 5, a fixed block 7 is fixedly connected to the inner wall of the operating table 1, a driving cavity 8 is provided in the fixed block 7, a rotating shaft 9 is rotatably connected to the fixed block 7 through a bearing, one end of the rotating shaft 9 extends through the driving cavity 8 and is interference-fitted with a vortex impeller 10, and the other end extends through the outside of the fixed block 7 and is interference-fitted with a gear 11, a tooth column 12 is rotatably connected to the upper surface of the fixed block 7 through a bearing, the tooth column 12 is meshed with the gear 11 and the tooth frame 6, the number of teeth of the gear 11 is less than the number of teeth of the tooth column 12, and the rotation speed of the vortex impeller 10 may be faster due to the compressed air drive, thereby making the rotation speed of the gear 11 faster, and the primary reduction transmission of the gear 11 and the tooth column 12 reduces the rotation speed of the tooth column 12, and then the tooth column 12 moves more slowly when driving the tooth frame 6 to move, thereby ensuring smooth movement for sewing, such as Figure 4 As shown, the tooth frame 6 is a rectangular frame with teeth on the inner side wall, and the teeth are engaged with the tooth column 12, so that the tooth column 12 can drive the moving block 4 to make a rectangular movement by engaging with the teeth on the inner side wall of the tooth frame 6 during the rotation process. The fixed block 7 is penetrated and fixedly connected with the first pipe 13 and the second pipe 14. One end of the first pipe 13 and the second pipe 14 penetrates and extends into the driving cavity 8, and the other end penetrates and extends to the outside of the fixed block 7. The moving block 4 is penetrated and fixedly connected with the third pipe 16 and the fourth pipe 17. One end of the third pipe 16 and the fourth pipe 17 penetrates and extends into the air cavity 15, and the other end penetrates and extends to the outside of the moving block 4. A connecting hose is fixedly connected between the fourth pipe 17 and the first pipe 13 18. Through the introduction of compressed air, the compressed air passes through the third pipe 16, the air chamber 15, the fourth pipe 17, the connecting hose 18, and the first pipe 13, and enters the driving chamber 8, thereby impacting the blades of the vortex impeller 10, causing the vortex impeller 10 to rotate. The vortex impeller 10 drives the gear 11 to rotate through the rotating shaft 9, thereby causing the tooth column 12 to rotate. Through the engagement of the tooth column 12 with the tooth frame 6, the moving block 4 is driven to make a rectangular movement, so that the edge of the towel passes through the head of the sewing machine smoothly and straightly, and the lock-edge sewing operation is performed to ensure the straightness of the lock-edge seam, thereby effectively avoiding the situation where operators with different proficiency use the sewing machine and cause different seam quality, thereby ensuring the processing quality.

[0029] It is worth mentioning that, compared with manual feeding of the fabric, by transporting and sewing the towel fabric through the motion block 4, there is no need for human hands to approach the head of the sewing machine, thereby effectively avoiding the risk of accidental injury by the sewing needle of the sewing machine head, thereby greatly improving the safety of the processing.

[0030] The two opposite inner side walls of the operating table 1 are each provided with a sliding hole 20, through which the sliding sleeve 2 is slidably connected to the operating table 1, and a limiting groove 38 is provided on the inner bottom wall of the sliding hole 20, and a limiting block 39 is slidably connected in the limiting groove 38, and the limiting block 39 is fixedly connected to the corresponding sliding sleeve 2, such as Figure 4 As shown, by setting the limit block 39 and the limit groove 38, the sliding sleeve 2 can only slide up and down in the sliding hole 20, and the sliding column 3 can only slide left and right in the sliding sleeve 2, so that the moving block 4 can only move up, down, left and right, thereby ensuring the smooth movement of the moving block 4.

[0031] A positioning frame 22 is fixedly connected to the upper surface of the moving block 4. The positioning frame 22 is used to position the fabric to be sewn to avoid the sewing line from going astray due to improper placement. An end of the third pipe 16 located outside the moving block 4 is fixedly connected to an air intake hose 19. The air intake hose 19 is connected to an external air compressor. Compressed air can be pumped into the air intake hose 19 through the air compressor. A sewing machine 21 is fixedly connected to the upper surface of the operating table 1.

[0032] An automatic cutting mechanism is provided in the positioning frame 22, and the automatic cutting mechanism includes a mounting groove 23 provided on the inner side wall of the positioning frame 22, a U-shaped tube 24 is fixedly connected to the inner side wall of the mounting groove 23, a piston 25 and a top column 26 are sealed and slidably connected in the U-shaped tube 24, and hydraulic oil is filled between the piston 25 and the top column 26, the positioning frame 22 and the moving block 4 are penetrated and fixedly connected with a fifth pipe fitting 27, one end of the fifth pipe fitting 27 penetrates and extends into the third pipe fitting 16, and the other end penetrates and extends into the mounting groove 23 and is fixedly connected to the U-shaped tube 24, a slider 28 is slidably connected to the bottom wall of the mounting groove 23, a spring 29 is fixedly connected between the slider 28 and the inner side wall of the mounting groove 23, and a cutting spring 29 is fixedly connected to the side wall of the slider 28 away from the spring 29 The cutting knife 30 and the top column 26 are fixedly connected to the slider 28 at one end outside the U-shaped tube 24. When compressed air is introduced, the compressed air enters the third pipe fitting 16 and then enters the U-shaped tube 24 through the fifth pipe fitting 2727, thereby causing the piston 25 to slide. The piston 25 then causes the top column 26 to slide through the hydraulic oil. The top column 26 drives the slider 28 to slide, thereby causing the cutting knife 30 to slide into the mounting groove 23. After sewing is completed and air is not supplied, the slider 28 is reset under the elastic force of the spring 29, driving the cutting knife 30 to slide out and cut the thread. Thus, when sewing is completed and the machine is shut down, automatic cutting can be completed without the need for manual cutting of the sewing thread with scissors, thereby making the device more automated and more convenient to use.

[0033] The moving block 4 is provided with a plurality of through holes 31, which are connected to the air cavity 15. When the compressed air drives the moving block 4 to move, it can also generate suction in the through holes 31 when passing through the air cavity 15 at high speed, thereby fixing the towel cloth by the suction force, thereby effectively preventing the towel cloth from moving during the sewing process and affecting the sewing effect.

[0034] The fixed block 7 is provided with a cleaning mechanism, which includes a cleaning groove 32 provided in the fixed block 7, a sliding frame 33 is slidably connected to the fixed block 7, a filter screen 34 is fixedly connected to the inner wall of the sliding frame 33, the fixed block 7 and the first pipe 13 are jointly penetrated and fixedly connected with a sixth pipe 35, one end of the sixth pipe 35 extends through the first pipe 13, and the other end extends through the cleaning groove 32, a first solenoid valve 36 is provided in the first pipe 13, and a second solenoid valve 37 is provided in the sixth pipe 35. The first solenoid valve 36 is a normally closed solenoid valve, which is opened when powered on, and the second solenoid valve 37 is closed when powered on. The solenoid valve 37 is a normally open solenoid valve, which is closed when powered on. When the device is not in use and the power is cut off, the first solenoid valve 36 is closed and the second solenoid valve 37 is opened. At this time, compressed air is introduced through the air intake hose 19, and the suction force generated by the through hole 31 can suck the thread ends and fibers generated during sewing in the positioning frame 22 through the through hole 31 into the air cavity 15, and then blow the thread ends and fibers into the cleaning groove 32 through the third pipe fitting 16, the connecting hose 18, the first pipe fitting 13, and the sixth pipe fitting 35, thereby automatically cleaning the thread ends and fibers in the positioning frame 22 and avoiding the tedious operation of manual cleaning.

[0035] The bearing between the rotating shaft 9 and the fixed block 7 is a sealed bearing, which prevents air leakage at the bearing connection between the rotating shaft 9 and the fixed block 7, thereby affecting the normal driving of the vortex impeller 10. The cross-sections of the limit groove 38 and the limit block 39 are both T-shaped. The T-shaped limit groove 38 and the limit block 39 ensure that the sleeve 2 slides smoothly in the sliding hole 20, thereby ensuring the smooth movement of the moving block 4.

[0036] In the present invention, first, the towel fabric to be sewn is placed in the positioning frame 22, and the power supply of the device is turned on. At this time, the first solenoid valve 36 is powered on and opened, and the second solenoid valve 37 is powered on and closed. At the same time, the air compressor works to pump compressed air into the air intake hose 19. The compressed air enters the third pipe fitting 16 through the air intake hose 19, and part of the compressed air enters the fifth pipe fitting 27, thereby pushing the piston 25 to move. The piston 25 drives the top column 26 to move through the hydraulic oil, and then the slider 28 drives the cutting knife 30 to slide into the installation groove 23.

[0037] The compressed air enters the air cavity 15 after passing through the third pipe 16. Since the compressed air flows at a high speed, according to the Bernoulli principle, the faster the fluid flows, the lower its pressure is, so that the pressure below the through hole 31 is lower than the rising pressure. At this time, suction can be generated in the through hole 31 to fix the cloth above by suction to prevent it from sliding.

[0038] After the compressed air passes through the air cavity 15, it enters the first pipe fitting 13 through the fourth pipe fitting 17 and the connecting hose 18. Since the first solenoid valve 36 is open and the second solenoid valve 37 is closed at this time, the compressed air enters the driving cavity 8 through the first pipe fitting 13, and the compressed air impacts the blades of the vortex impeller 10, so that the vortex impeller 10 rotates, and the vortex impeller 10 drives the gear 11 to rotate through the rotating shaft 9, thereby rotating the tooth column 12. The rotation of the tooth column 12 meshes with the tooth frame 6, so that the tooth frame 6 performs a rectangular motion, and the tooth frame 6 drives the motion block 4 to perform a rectangular motion. The rectangular motion of the motion block 4 can make the edge of the towel cloth pass through the head of the sewing machine 21 smoothly and straightly, and the towel cloth is locked.

[0039] After the edge locking process is completed, the air supply is stopped. As the compressed air supply stops, the slider 28 is reset under the elastic force of the spring 29, thereby driving the top column 26 to reset. The top column 26 drives the piston 25 to reset through the hydraulic oil. At the same time, the reset of the slider 28 will also drive the cutting knife 30 to slide out of the installation groove 23 to cut the sewing thread. After cutting, the towel cloth with edge locking in the positioning frame 22 is taken out, and the next towel cloth to be edge locked is put in, and the edge locking sewing can be performed according to the above steps.

[0040] After the sewing process is contacted, the power supply of the device is disconnected. At this time, the first solenoid valve 36 is powered off and closed, and the second solenoid valve 37 is powered on and opened. At this time, compressed air is introduced into the air intake hose 19 through the air compressor, and the thread ends and fibers generated during sewing in the positioning frame 22 can be sucked into the air cavity 15 through the through hole 31 through the suction force generated by the through hole 31, and then the thread ends and fibers are blown into the cleaning groove 32 through the third pipe 16, the connecting hose 18, the first pipe 13, and the sixth pipe 35. The air can be discharged through the filter 34, while the thread ends and fibers cannot pass through the filter 34 and remain in the cleaning groove 32, thereby realizing automatic cleaning of the thread ends and fibers in the positioning frame 22. After cleaning, the sliding frame 33 is pulled out to clean the filter 34, and the thread ends and fibers collected in the cleaning groove 32 can be processed at the same time.

Claims

1. A cloth feeding device for a textile sewing machine, comprising an operating table (1) having a U-shaped cross section, characterized in that: The two opposite side walls of the operating table (1) are slidably connected with a sliding sleeve (2), the sliding sleeve (2) is slidably connected with a sliding column (3), the sliding column (3) is commonly fixedly connected with a moving block (4), and a cloth feeding mechanism is arranged in the moving block (4); The cloth feeding mechanism comprises a groove (5) and an air passage cavity (15) provided in the moving block (4); the inner side wall of the groove (5) is fixedly connected to a gear frame (6); the inner side wall of the operating table (1) is fixedly connected to a fixed block (7); a driving cavity (8) is provided in the fixed block (7); the fixed block (7) is rotatably connected to a rotating shaft (9) through a bearing; one end of the rotating shaft (9) extends through the driving cavity (8) and is interference-fitted with a vortex impeller (10); the other end extends through the outside of the fixed block (7) and is interference-fitted with a gear (11); the upper surface of the fixed block (7) is rotatably connected to a gear column (12) through a bearing; the gear column (12) is connected to the inner side wall of the operating table (1); The fixed block (7) is meshed with the gear (11) and the gear frame (6); the fixed block (7) is penetrated and fixedly connected with a first pipe (13) and a second pipe (14); one end of the first pipe (13) and the second pipe (14) penetrates and extends into the driving cavity (8), and the other end penetrates and extends to the outside of the fixed block (7); the moving block (4) is penetrated and fixedly connected with a third pipe (16) and a fourth pipe (17); one end of the third pipe (16) and the fourth pipe (17) penetrates and extends into the air cavity (15), and the other end penetrates and extends to the outside of the moving block (4); a connecting hose (18) is fixedly connected between the fourth pipe (17) and the first pipe (13).

2. A textile sewing machine cloth feeding device according to claim 1, characterized in that: The two opposite inner side walls of the operating table (1) are each provided with a sliding hole (20), the sliding sleeve (2) is slidably connected to the operating table (1) via the sliding hole (20), a limiting groove (38) is provided on the inner bottom wall of the sliding hole (20), a limiting block (39) is slidably connected in the limiting groove (38), and the limiting block (39) is fixedly connected to the corresponding sliding sleeve (2).

3. A cloth feeding device for a textile sewing machine according to claim 1, characterized in that: The upper surface of the moving block (4) is fixedly connected to a positioning frame (22), one end of the third pipe (16) located outside the moving block (4) is fixedly connected to an air intake hose (19), and the upper surface of the operating table (1) is fixedly connected to a sewing machine (21).

4. A cloth feeding device for a textile sewing machine according to claim 3, characterized in that: An automatic cutting mechanism is arranged in the positioning frame (22), and the automatic cutting mechanism comprises a mounting groove (23) provided on the inner wall of the positioning frame (22), a U-shaped tube (24) is fixedly connected to the inner wall of the mounting groove (23), a piston (25) and a top column (26) are sealingly and slidably connected in the U-shaped tube (24), hydraulic oil is filled between the piston (25) and the top column (26), a fifth pipe fitting (27) is fixedly connected to the positioning frame (22) and the moving block (4), and the fifth pipe fitting (27) is One end of the top column (26) extends into the third pipe member (16), and the other end extends into the installation groove (23) and is fixedly connected to the U-shaped tube (24); a slider (28) is slidably connected to the bottom wall of the installation groove (23); a spring (29) is fixedly connected between the slider (28) and the inner side wall of the installation groove (23); a cutting knife (30) is fixedly connected to the side wall of the slider (28) away from the spring (29); and one end of the top column (26) located outside the U-shaped tube (24) is fixedly connected to the slider (28).

5. A cloth feeding device for a textile sewing machine according to claim 1, characterized in that: The moving block (4) is provided with a plurality of through holes (31), and the through holes (31) are in communication with the air passage cavity (15).

6. A cloth feeding device for a textile sewing machine according to claim 5, characterized in that: The fixed block (7) is provided with a cleaning mechanism, the cleaning mechanism comprising a cleaning groove (32) provided in the fixed block (7), the fixed block (7) is slidably connected with a sliding frame (33), the inner wall of the sliding frame (33) is fixedly connected with a filter screen (34), the fixed block (7) and the first pipe member (13) are jointly penetrated and fixedly connected with a sixth pipe member (35), one end of the sixth pipe member (35) extends through the first pipe member (13), and the other end extends through the cleaning groove (32), the first pipe member (13) is provided with a first electromagnetic valve (36), and the sixth pipe member (35) is provided with a second electromagnetic valve (37).

7. A cloth feeding device for a textile sewing machine according to claim 2, characterized in that: The bearing between the rotating shaft (9) and the fixed block (7) is a sealed bearing, and the cross-sections of the limiting groove (38) and the limiting block (39) are both T-shaped.

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