Collar sewing machine

Abstract

The utility model discloses a kind of clothing collar sewing machines, including worktable and sewing machine head being located on rack, worktable is equipped with material pressing mechanism and the feeding transmission mechanism of driving material pressing mechanism in the XY coordinate system of worktable moves;Sewing machine head is equipped with needle, middle presser foot, auxiliary presser foot and the presser foot front drive cylinder of driving auxiliary presser foot movement to needle below, auxiliary presser foot is equipped with rotatable guide plate;Feeding transmission mechanism includes material shifting mounting seat, material shifting mounting seat is slidably installed on rack by X direction guide rail arranged transversely, material shifting mounting seat is slidably installed with material shifting moving seat by Y direction guide rail from front to back, rack is equipped with X direction transmission assembly and Y direction transmission assembly, X direction transmission assembly is connected with material shifting mounting seat, Y direction transmission assembly is connected with material shifting moving seat;Sewing machine head side is equipped with cutting mechanism and vibrating knife mechanism, realize the automation of clothing collar processing, improve work efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of clothing sewing equipment, specifically a garment sewing machine. Background Technology

[0002] Patent No. 201910486944.7 discloses a garment sewing machine, including a frame, a worktable mounted on the frame, and a sewing machine head. The worktable has a feeding area, a waiting area, and a sewing area. The feeding area is equipped with a height-adjustable presser foot and a feeding transmission mechanism that drives the presser foot to move between the feeding area and the waiting area. The sewing area is located below the sewing machine head and is equipped with a height-adjustable sewing presser foot and a sewing transmission mechanism that drives the presser foot to move in the XY coordinate system of the sewing area. A cutting mechanism is provided on one side of the sewing machine head.

[0003] The patent has certain defects. The process of transferring the garment placket needs to be carried out in stages through the feeding transmission mechanism and the sewing transmission mechanism. The garment placket material needs to be moved from the feeding presser foot to the waiting area, and then from the sewing presser foot to the sewing area. The movement time is long, which affects the work efficiency. The structure needs to be improved. Summary of the Invention

[0004] This utility model addresses the aforementioned technical problems by providing a garment placket sewing machine that automates the movement, folding, sewing, and cutting of placket fabric, thereby optimizing the equipment and improving work efficiency.

[0005] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a garment sewing machine, including a worktable and a sewing machine head mounted on a frame, a pressing mechanism and a feeding transmission mechanism that drives the pressing mechanism to move in the XY coordinate system of the worktable; the sewing machine head is provided with a needle, a middle presser foot, an auxiliary presser foot and a presser foot front drive cylinder that drives the auxiliary presser foot to move below the needle, the auxiliary presser foot is provided with a rotatable guide plate; the feeding transmission mechanism includes a material transfer mounting seat, the material transfer mounting seat is slidably mounted on the frame through a transversely arranged X guide rail, the material transfer mounting seat is slidably mounted on a material transfer moving seat through a front-rear Y guide rail, the frame is provided with an X-axis transmission component and a Y-axis transmission component, the X-axis transmission component is connected to the material transfer mounting seat and the Y-axis transmission component is connected to the material transfer moving seat; a cutting mechanism and a vibrating knife mechanism are provided on one side of the sewing machine head.

[0006] The aforementioned X-axis transmission assembly includes an X-axis drive motor mounted on the frame, a first synchronous pulley and a second synchronous pulley mounted on the left and right sides of the frame. The output end of the X-axis drive motor is rotatably connected to the first synchronous pulley. A first synchronous belt is fitted onto the first and second synchronous pulleys, and the first synchronous belt is connected to the material transfer mounting base.

[0007] The aforementioned Y-axis transmission assembly includes a Y-axis drive motor mounted on the frame, a third synchronous pulley, and a fourth synchronous pulley mounted on the material transfer mounting base. The output end of the Y-axis drive motor is rotatably connected to the third synchronous pulley via a spline shaft and a spline sleeve. A second synchronous belt is fitted on the third and fourth synchronous pulleys, and the second synchronous belt is connected to the material transfer mounting base.

[0008] The aforementioned pressing mechanism includes a pressing mounting base plate, which is provided with a first pressing strip mounting plate and a second pressing strip mounting plate that can move horizontally, as well as an adjustment drive assembly for driving the first pressing strip mounting plate and the second pressing strip mounting plate to move horizontally. The first pressing strip mounting plate is provided with a first pressing strip that can be raised and lowered and a first pressing strip lifting cylinder that drives the first pressing strip to move up and down. The second pressing strip mounting plate is provided with a second pressing strip that can be raised and lowered and a second pressing strip lifting cylinder that drives the second pressing strip to move up and down. The pressing mounting base plate is provided with an outer pressing frame that can be raised and lowered and an outer pressing frame lifting cylinder that drives the outer pressing frame to move up and down. The outer pressing frame is provided with a bending auxiliary plate. The outer pressing frame is provided with a first air blowing pipe, the air outlet of which faces the second pressing strip. The second pressing strip is provided with a second air blowing pipe, the air outlet of which faces the first pressing strip. The pressing mounting base plate is provided with a material feeding mounting plate, which is provided with a material feeding drive cylinder. The output end of the material feeding drive cylinder is provided with a material feeding rod.

[0009] The aforementioned pitch adjustment drive assembly includes a pitch adjustment drive motor, a first gear and a second gear meshing with each other, and a bidirectional lead screw. The output end of the pitch adjustment drive motor is rotatably connected to the first gear, and the second gear is rotatably mounted on one end of the bidirectional lead screw. The bidirectional lead screw is provided with a first connecting block and a second connecting block that move in opposite directions. The first connecting block is connected to the first pressure strip mounting plate, and the second connecting block is connected to the second pressure strip mounting plate.

[0010] The sewing machine head is provided with a presser foot mounting plate on one side. An auxiliary presser foot is mounted on the presser foot mounting plate via a sliding guide rail. The presser foot front drive cylinder is connected to the presser foot mounting plate.

[0011] The aforementioned auxiliary presser foot includes a presser foot plate with a guide slope at the front end. A needle hole for the needle to pass through is made in the middle of the presser foot plate. A rotatable guide plate is provided on one side of the needle hole, with the front end of the guide plate located below the guide slope.

[0012] The aforementioned cutting mechanism includes a fixed mounting plate, which has a first cutter bracket fixedly connected to it and a second cutter bracket rotatably connected to it. The first cutter bracket has a first cutter, and the second cutter bracket has a second cutter. The first cutter and the second cutter are located on the same cutting line, and the rotation of the second cutter bracket controls the distance between the outer edges of the first cutter and the second cutter. The fixed mounting plate has a cutter adjustment motor, and the power output shaft of the cutter adjustment motor is connected to a drive plate that can be raised and lowered. The drive plate drives the second cutter bracket to rotate through a first connecting rod.

[0013] Below the aforementioned fixed mounting plate is a cutting pressure plate for pressing down the seam material. The cutting pressure plate has a cutting groove that passes through the first cutter and the second cutter.

[0014] The aforementioned vibrating knife mechanism includes a vibrating knife mounting base, on which a vibrating rod capable of moving up and down and a vibrating knife drive motor are mounted. The drive shaft of the vibrating knife drive motor is connected to the vibrating rod via an eccentric shaft. The lower end of the vibrating rod is equipped with a vibrating knife for cutting materials.

[0015] Compared with the prior art, the placket sewing machine of this utility model fixes the placket sewing material and the body sewing material through the pressing mechanism and automatically folds the placket sewing material. The feeding transmission mechanism drives the placket sewing material to move in the XY coordinate system of the worktable and complete the sewing. The cutting mechanism and the vibrating knife mechanism automatically cut the material, thereby realizing the automation of placket processing and improving work efficiency. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of this embodiment.

[0017] Figure 2 This is a three-dimensional structural diagram of a sewing machine head.

[0018] Figure 3 This is a three-dimensional structural diagram of a sewing machine head from another perspective.

[0019] Figure 4 This is a three-dimensional structural diagram of the auxiliary presser foot.

[0020] Figure 5 This is a three-dimensional structural diagram of the cutting mechanism.

[0021] Figure 6 yes Figure 5 Exploded view of part of the structure.

[0022] Figure 7 This is a three-dimensional structural diagram of the pressing mechanism.

[0023] Figure 8 This is a three-dimensional structural diagram of the pressing mechanism from another perspective.

[0024] Figure 9 This is a three-dimensional structural diagram of the feeding transmission mechanism.

[0025] Figure 10 This is a three-dimensional structural diagram of the feeding transmission mechanism from another perspective. Detailed Implementation

[0026] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0027] Figures 1 to 10 The diagram shown is a structural schematic of this utility model.

[0028] The attached figures are labeled as follows: 1. Sewing machine head; 2. Needle; 3. Middle presser foot; 4. Presser foot mounting plate; 5. Sliding guide rail; 6. Slider; 7. Auxiliary presser foot; 7a. Presser foot plate; 7b. Guide slope; 7c. Needle hole; 7d. Guide plate; 7e. Mounting groove; 8. Presser foot front drive cylinder; 9. First rotating shaft; 10. Vibrating knife mounting base; 11. Vibrating rod; 12. Vibrating knife drive motor; 13. Vibrating knife; 14. Fixed mounting plate; 15. First cutter bracket; 16. Second cutter bracket; 16. Rotary mounting hole; 17. First cutter; 18. Second cutter; 19. Cutter adjustment motor; 20. Drive plate; 21. Lead screw; 22. Extension bracket; 23. Cutting pressure plate; 23. Cutter groove; 23a. Lifting guide rail; 24. Cutter lifting cylinder; 25. First connecting rod; 26. Frame; 27. Worktable surface; 28. Presser mounting base plate; 29. ​​First pressure strip mounting plate; 30. Second pressure strip mounting plate; 31. First pressure strip; 32. First pressure strip lifting... 33. Lowering cylinder, 34. Second pressure bar, 35. Second pressure bar lifting cylinder, 36. First slide rail, 37. Adjustable distance drive motor, 38. First gear, 39. Second gear, 40. Two-way lead screw, 41. First connecting block, 42. Second connecting block, 43. Second slide rail, 44. First pressure bar lifting plate, 45. Third slide rail, 46. Second pressure bar lifting plate, 47. Outer pressure frame, 48. Outer pressure frame lifting cylinder, 49. Fourth slide rail, 50. Outer pressure frame mounting plate, 51. Folding auxiliary plate, 52. First air blowing pipe, 53. Second air blowing pipe, 54. Material transfer mounting seat, 55. X-axis guide rail, 56. Y-axis guide rail, 57. Material transfer moving seat, 58. X-axis drive motor, 59. First synchronous pulley, 60. First synchronous belt, 61. Y-axis drive motor, 62. Third synchronous pulley, 63. Fourth synchronous pulley, 64. Splined shaft, 65. Splined sleeve, 66. Second synchronous belt, 67. Material feeding drive cylinder, 68. Material feeding rod, 69.

[0029] The present invention relates to a garment sewing machine, comprising a sewing machine head 1, a needle 2 mounted on the sewing machine head 1, and a presser foot 3. A presser foot mounting plate 4 is provided on one side of the sewing machine head 1, and an auxiliary presser foot 7 is mounted on the presser foot mounting plate 4 via a sliding guide rail 5. The presser foot mounting plate 4 is provided with a presser foot front drive cylinder 8 for driving the auxiliary presser foot 7 to move below the needle 2.

[0030] The auxiliary presser foot 7 includes a presser foot plate 7a. The front end of the presser foot plate 7a has a guide slope 7b. During sewing, the presser foot plate 7a presses down on the fabric, and the fabric is sewn through the presser foot plate 7a from one end of the guide slope 7b. The guide slope 7b is curved upward to prevent the fabric from being stretched and deformed. The presser foot plate 7a has a needle hole 7c in the middle through which the needle 2 passes. A rotatable guide plate 7d is provided on one side of the needle hole 7c. The front end of the guide plate 7d passes through the guide slope 7b and is located below the guide slope 7b.

[0031] The auxiliary presser foot 7 is equipped with a first rotating shaft 9, and the rotation of the guide plate 7d is mounted on the first rotating shaft 9. A spring is connected to the rear end of the guide plate 7d. The presser foot plate 7a has a mounting groove 7e for mounting the guide plate 7d. One end of the spring is connected to the rear end of the guide plate 7d, and the other end of the spring is connected to the mounting groove 7e. The spring applies an upward force to the rear end of the guide plate 7d, keeping the front end of the guide plate 7d below the guide slope 7b. If the front end of the guide plate 7d comes into contact with the fabric, the front end of the guide plate 7d can be lifted to avoid damaging the fabric.

[0032] The sliding guide rail 5 is installed inside the slider 6 of the presser foot mounting plate 4. The sliding guide rail 5 is arranged at an angle. The lower end of the sliding guide rail 5 is connected to the auxiliary presser foot 7, and the upper end of the sliding guide rail 5 is connected to the drive rod of the presser foot front drive cylinder 8. The drive rod of the presser foot front drive cylinder 8 drives the auxiliary presser foot 7 to move at an angle through the sliding guide rail 5.

[0033] When sewing the stop, the needle 2 first works with the middle presser foot 3 to sew the placket fabric onto the body fabric. Then, when the fabric is folded over and moved to a position below the needle 2, the presser foot front drive cylinder 8 drives the auxiliary presser foot 7 to move below the needle 2. The side of the folded fabric abuts against one side of the guide plate 7d. The needle 2, the middle presser foot 3, and the auxiliary presser foot 7 work together to continue sewing, ensuring that the stitch spacing of the stop is consistent, thus achieving automated sewing of the stop and improving work efficiency.

[0034] In this embodiment, the distance between the needle hole 7c and the guide plate 7d is 1mm, therefore the stop line distance is 1mm. The distance between the needle hole 7c and the guide plate 7d can be adjusted according to different stop line distance requirements; the distance can also be 2mm, 3mm, etc.

[0035] The sewing machine head 1 is equipped with a vibrating knife mechanism 13, which includes a vibrating knife mounting base 10. The mounting base 10 has a vibrating rod 11 and a vibrating knife drive motor 12, which drives the vibrating rod 11 to move up and down. The lower end of the vibrating rod 11 has a vibrating knife 13 for cutting the fabric. The vibrating knife 13 cuts the placket fabric along the sewing stitch. The number of vibrating knives 13 is adjusted according to the sewing requirements of different plackets; it is a single-knife mode in concealed placket mode and a double-knife mode in exposed placket mode. In exposed placket mode, the placket fabric cut between the two vibrating knives 13 needs to be cut by a cutting mechanism.

[0036] The sewing machine head 1 is equipped with a cutting mechanism, which includes a fixed mounting plate 14. The fixed mounting plate 14 has a first cutter bracket 15 fixedly connected to it and a second cutter bracket 16 rotatably connected to it. The first cutter bracket 15 has a first cutter 17, and the second cutter bracket 16 has a second cutter 18. The first cutter 17 and the second cutter 18 are located on the same cutting line. The rotation of the second cutter bracket 16 controls the distance between the outer edges of the first cutter 17 and the second cutter 18. In this embodiment, the outer edge distance refers to the distance between the rear end of the blade of the first cutter 17 and the front end of the blade of the second cutter 18.

[0037] The fixed mounting plate 14 is equipped with a cutter adjustment motor 19, and the power output shaft of the cutter adjustment motor 19 is connected to a drive plate 20 that can be raised and lowered. The power output shaft of the cutter adjustment motor 19 is connected to a lead screw 21, and the drive plate 20 is connected to a lead screw nut. The lead screw nut cooperates with the lead screw 21, and the cutter adjustment motor 19 can drive the drive plate 20 to move up and down along the lead screw.

[0038] The drive plate 20 drives the second cutter bracket 16 to rotate via the first connecting rod 26, and the second cutter bracket 16 drives the second cutter 18 to rotate. One end of the first connecting rod 26 is rotatably connected to the drive plate 20, and the other end of the first connecting rod 26 is rotatably connected to the second cutter bracket 16. The second cutter bracket 16 has a rotating mounting hole 16a, in which a second rotating shaft is provided. The second cutter 18 is fixedly mounted on one end of the second rotating shaft, and the other end of the second rotating shaft is rotatably connected to the extension bracket 22 on the first cutter bracket 15.

[0039] When the drive plate 20 moves downward, the second cutter 18 moves closer to the first cutter 17, and the distance between the outer blades decreases; when the drive plate 20 moves upward, the second cutter 18 moves further away from the first cutter 17, and the distance between the outer blades increases.

[0040] A cutting plate 23 for pressing down the seam material is fixed below the mounting plate 14. The cutting plate 23 has a cutting groove 23a that passes through the first cutter 17 and the second cutter 18.

[0041] In this embodiment, the fixed mounting plate 14 is provided with two sets of first cutter brackets 15, second cutter brackets 16, first cutters 17, and second cutters 18. The tangents of the two sets of first cutters 17 and second cutters 18 are arranged in a V-shape. The number of first cutters 17 and second cutters 18 can be adjusted appropriately according to the required shape of the material to be cut. The number can be one set, two sets, or more sets.

[0042] The front side of the vibrating knife mounting base 10 is provided with a lifting guide rail 24, and the fixed mounting plate 14 is slidably mounted on the lifting guide rail 24. The sewing machine head 1 is provided with a cutter lifting cylinder 25 on one side. The drive rod of the cutter lifting cylinder 25 is connected to the fixed mounting plate 14, and the cutter lifting cylinder 25 drives the fixed mounting plate 14 to move up and down.

[0043] The garment sewing machine of this utility model also includes a worktable 28 mounted on a frame 27, a pressing mechanism and a feeding transmission mechanism that drives the pressing mechanism to move in the XY coordinate system of the worktable 28.

[0044] The pressing mechanism includes a pressing mounting base plate 29, which is provided with a first pressing strip mounting plate 30 and a second pressing strip mounting plate 31 that can move horizontally, as well as an adjustment drive assembly for driving the first pressing strip mounting plate 30 and the second pressing strip mounting plate 31 to move horizontally. The first pressing strip mounting plate 30 is provided with a first pressing strip 32 that can be raised and lowered, and a first pressing strip lifting cylinder 33 that drives the first pressing strip 32 to move up and down. The second pressing strip mounting plate 31 is provided with a second pressing strip 34 that can be raised and lowered, and a second pressing strip lifting cylinder 35 that drives the second pressing strip 34 to move up and down.

[0045] The pressing mounting base plate 29 is provided with a horizontally arranged first slide rail 36. The first pressing strip mounting plate 30 and the second pressing strip mounting plate 31 are respectively slidably mounted on the first slide rail 36. The first pressing strip mounting plate 30 and the second pressing strip mounting plate 31 can move horizontally along the first slide rail 36.

[0046] The pitch-adjusting drive assembly includes a pitch-adjusting drive motor 37, a meshing first gear 38 and a second gear 39, and a bidirectional lead screw 40. The output end of the pitch-adjusting drive motor 37 is rotatably connected to the first gear 38, and the second gear 39 is rotatably mounted on one end of the bidirectional lead screw 40. The bidirectional lead screw 40 is provided with a first connecting block 41 and a second connecting block 42 that move in opposite directions. The first connecting block 41 is connected to the first pressure strip mounting plate 30, and the second connecting block 42 is connected to the second pressure strip mounting plate 31.

[0047] The adjustable drive motor 37 drives the first gear 38 to rotate. The first gear 38 meshes with the second gear 39, thereby driving the bidirectional lead screw 40 to rotate. The first connecting block 41 and the second connecting block 42 on the bidirectional lead screw 40 respectively drive the first pressure strip mounting plate 30 and the second pressure strip mounting plate 31 to move towards each other, adjusting the distance between them to fit different widths of the placket.

[0048] The first pressure strip mounting plate 30 is provided with a vertically arranged second slide rail 43. The first pressure strip 32 is slidably mounted on the second slide rail 43 via the first pressure strip lifting plate 44. The drive rod of the first pressing cylinder is connected to the first pressure strip lifting plate 44. The first pressing cylinder can drive the first pressure strip 32 to move up and down along the second slide rail 43.

[0049] The second pressure strip mounting plate 31 is provided with a vertically arranged third slide rail 45. The second pressure strip 34 is slidably mounted on the second slide rail 43 via the second pressure strip lifting plate 46. The drive rod of the second pressure cylinder is connected to the second pressure strip lifting plate 46. The second pressure cylinder can drive the second pressure strip 34 to move up and down along the third slide rail 45.

[0050] The pressing mounting base plate 29 is provided with an external pressing frame 47 that can be raised and lowered and an external pressing frame lifting cylinder 48 that drives the external pressing frame 47 to move up and down. The pressing mounting base plate 29 is provided with a vertically arranged fourth slide rail 49. The external pressing frame 47 is slidably mounted on the fourth slide rail 49 through the external pressing frame mounting plate 50. The drive rod of the external pressing frame lifting cylinder 48 is connected to the external pressing frame mounting plate 50. The external pressing frame lifting cylinder 48 can drive the external pressing frame 47 to move up and down along the fourth slide rail 49.

[0051] A bending auxiliary plate 51 is provided on the front side of the outer pressure frame 47, and a first air blowing pipe 52 is provided on one side of the outer pressure frame 47, with the air outlet of the first air blowing pipe 52 facing the second pressure bar. The second pressure bar is provided with a second air blowing pipe 53, with the air outlet of the second air blowing pipe 53 facing the first pressure bar. The pressure mounting base plate 29 is provided with a material-pushing mounting plate, and the material-pushing mounting plate is provided with a material-pushing drive cylinder 68. The output end of the material-pushing drive cylinder 68 is provided with a material-pushing rod 69. In the initial state, the material-pushing rod 69 is located outside the first pressure bar 32. When bending is required, the drive rod of the material-pushing drive cylinder 68 retracts, causing the material-pushing rod 69 to move above the second pressure bar 34.

[0052] The feeding transmission mechanism includes a material transfer mounting base 54, which is slidably mounted on the frame 27 via a transversely arranged X-axis guide rail 55. A material transfer moving seat 57 is slidably mounted on the material transfer mounting base 54 via a front-to-back Y-axis guide rail 56. An X-axis transmission assembly and a Y-axis transmission assembly are provided on the frame 27. The X-axis transmission assembly is connected to the material transfer mounting base 54, and the Y-axis transmission assembly is connected to the material transfer moving seat 57.

[0053] The X-axis transmission assembly includes an X-axis drive motor 58 mounted on the frame 27, a first synchronous pulley 59 and a second synchronous pulley 60 mounted on the left and right sides of the frame 27. The output end of the X-axis drive motor 58 is rotatably connected to the first synchronous pulley 59. A first synchronous belt 61 is fitted on the first synchronous pulley 59 and the second synchronous pulley 60. The first synchronous belt 61 is connected to the material transfer mounting base 54. The X-axis drive motor 58 can drive the material transfer mounting base 54 to move laterally.

[0054] The Y-axis transmission assembly includes a Y-axis drive motor 62 mounted on the frame 27, a third synchronous pulley 63, and a fourth synchronous pulley 64 mounted on the material transfer mounting base 54. The output end of the Y-axis drive motor 62 is rotatably connected to the third synchronous pulley 63 via a spline shaft 65 and a spline sleeve 66. A second synchronous belt 67 is fitted on the third synchronous pulley 63 and the fourth synchronous pulley 64. The second synchronous belt 67 is connected to the material transfer moving base 57. The Y-axis drive motor 62 can drive the material transfer moving base 57 to move back and forth.

[0055] The body fabric and placket fabric are placed on the worktable 28. The feeding transmission mechanism drives the pressing mechanism to move above the fabric, and the first pressing strip 32, the second pressing strip 34, and the outer pressing frame 47 press down to fix the fabric. Then, the moving transmission mechanism moves the fabric to below the sewing machine needle for the first stitch. After the stitching is completed, the first pressing strip 32 is lifted upwards, and the first air pipe 52 blows the placket fabric along the folding auxiliary plate 51 to above the second pressing strip 34. Then, the material guide rod 69 moves above the second pressing strip 34 to fix the fabric, and the first pressing strip 32 presses down to hold the fabric in place. Then, the second stitch is performed along the seam. After the stitching is completed, the first pressing strip 32 is lifted upwards, the material guide rod 69 returns to one side of the first pressing strip 32, and the second air pipe 53 blows the placket fabric above the second pressing strip 34 towards the bottom of the first pressing strip 32. The first pressing strip 32 presses down to fix the fabric, and then the stitching continues.

[0056] The preferred embodiment of this utility model has been described, and various changes or modifications made by those skilled in the art will not depart from the scope of this utility model.

Claims

1. A garment sewing machine, comprising a worktable (28) and a sewing machine head (1) mounted on a frame (27), characterized in that: The worktable (28) is provided with a pressing mechanism and a feeding transmission mechanism that drives the pressing mechanism to move in the XY coordinate system of the worktable (28); the sewing machine head is provided with a needle (2), a middle presser foot (3), an auxiliary presser foot (7), and a presser foot front drive cylinder (8) that drives the auxiliary presser foot (7) to move below the needle (2); the auxiliary presser foot (7) is provided with a rotatable guide plate (7d); the feeding transmission mechanism includes a material transfer mounting base (54), the material transfer mounting base (54) is provided with a material transfer mounting base (55) 4) The material transfer mounting base (54) is slidably mounted on the frame (27) via the horizontally arranged X-guide rail (55). The material transfer mounting base (54) is slidably mounted on the material transfer moving base (57) via the front-to-back Y-guide rail (56). The frame (27) is provided with an X-axis transmission assembly and a Y-axis transmission assembly. The X-axis transmission assembly is connected to the material transfer mounting base (54), and the Y-axis transmission assembly is connected to the material transfer moving base (57). The sewing machine head is provided with a cutting mechanism and a vibrating knife mechanism on one side.

2. A garment sewing machine according to claim 1, characterized in that: The X-axis transmission assembly includes an X-axis drive motor (58) mounted on the frame (27), a first synchronous pulley (59) and a second synchronous pulley (60) mounted on the left and right sides of the frame (27). The output end of the X-axis drive motor (58) is rotatably connected to the first synchronous pulley (59). A first synchronous belt (61) is fitted on the first synchronous pulley (59) and the second synchronous pulley (60). The first synchronous belt (61) is connected to the material transfer mounting base (54).

3. A garment sewing machine according to claim 2, characterized in that: The Y-axis transmission assembly includes a Y-axis drive motor (62) mounted on the frame (27), a third synchronous pulley (63), and a fourth synchronous pulley (64) mounted on the material transfer mounting base (54). The output end of the Y-axis drive motor (62) is rotatably connected to the third synchronous pulley (63) through a spline shaft (65) and a spline sleeve (66). A second synchronous belt (67) is fitted on the third synchronous pulley (63) and the fourth synchronous pulley (64), and the second synchronous belt (67) is connected to the material transfer moving base (57).

4. A garment sewing machine according to claim 3, characterized in that: The pressing mechanism includes a pressing mounting base plate (29), which is provided with a first pressing strip mounting plate (30) and a second pressing strip mounting plate (31) that can move horizontally, and an adjustment drive assembly for driving the first pressing strip mounting plate (30) and the second pressing strip mounting plate (31) to move horizontally. The first pressing strip mounting plate (30) is provided with a first pressing strip (32) that can be raised and lowered and a first pressing strip lifting cylinder (33) that drives the first pressing strip (32) to move up and down. The second pressing strip mounting plate (31) is provided with a second pressing strip (34) that can be raised and lowered and a second pressing strip lifting cylinder (35) that drives the second pressing strip (34) to move up and down. (29) An external pressure frame (47) capable of being raised and lowered is provided, and an external pressure frame lifting cylinder (48) for driving the external pressure frame (47) to move up and down is provided. The external pressure frame (47) is provided with a material bending auxiliary plate (51). The external pressure frame (47) is provided with a first air blowing pipe (52), and the air outlet of the first air blowing pipe (52) faces the second material pressing strip. The second material pressing strip is provided with a second air blowing pipe (53), and the air outlet of the second air blowing pipe (53) faces the first material pressing strip. The material pressing mounting base plate (29) is provided with a material pushing mounting plate, and the material pushing mounting plate is provided with a material pushing driving cylinder (68). The output end of the material pushing driving cylinder (68) is provided with a material pushing rod (69).

5. A garment sewing machine according to claim 4, characterized in that: The pitch adjustment drive assembly includes a pitch adjustment drive motor (37), a first gear (38) and a second gear (39) meshing with each other, and a bidirectional lead screw (40). The output end of the pitch adjustment drive motor (37) is rotatably connected to the first gear (38), and the second gear (39) is rotatably mounted on one end of the bidirectional lead screw (40). The bidirectional lead screw (40) is provided with a first connecting block (41) and a second connecting block (42) that move in opposite directions. The first connecting block (41) is connected to the first pressure strip mounting plate (30), and the second connecting block (42) is connected to the second pressure strip mounting plate (31).

6. A garment sewing machine according to claim 5, characterized in that: The sewing machine head (1) is provided with a presser foot mounting plate (4) on one side. An auxiliary presser foot (7) is mounted on the presser foot mounting plate (4) via a sliding guide rail (5). The presser foot front drive cylinder (8) is connected to the presser foot mounting plate (4).

7. A garment sewing machine according to claim 6, characterized in that: The auxiliary presser foot (7) includes a presser foot plate (7a), the front end of the presser foot plate (7a) has a guide slope (7b), the middle part of the presser foot plate (7a) has a needle hole (7c) through which the needle (2) passes, and a rotatable guide plate (7d) is provided on one side of the needle hole (7c), the front end of the guide plate (7d) is located below the guide slope (7b).

8. A garment sewing machine according to claim 7, characterized in that: The cutting mechanism includes a fixed mounting plate (14), which has a fixedly connected first cutter bracket (15) and a rotatably connected second cutter bracket (16). The first cutter bracket (15) has a first cutter (17), and the second cutter bracket (16) has a second cutter (18). The first cutter (17) and the second cutter (18) are located on the same tangent line. The second cutter bracket (16) rotates to control the distance between the outer edges of the first cutter (17) and the second cutter (18). The fixed mounting plate (14) has a cutter adjustment motor (19), and the power output shaft of the cutter adjustment motor (19) is connected to a liftable drive plate (20). The drive plate (20) drives the second cutter bracket (16) to rotate through a first connecting rod (26).

9. A garment sewing machine according to claim 8, characterized in that: A cutting plate (23) for pressing down the seam material is fixed below the fixed mounting plate (14). The cutting plate (23) has a cutting groove (23a) that passes through the first cutter (17) and the second cutter (18).

10. A garment sewing machine according to claim 9, characterized in that: The vibrating knife mechanism includes a vibrating knife mounting base (10), on which a vibrating rod (11) that can move up and down and a vibrating knife drive motor (12) are provided. The drive shaft of the vibrating knife drive motor (12) is connected to the vibrating rod (11) through an eccentric shaft. The lower end of the vibrating rod (11) is provided with a vibrating knife (13) for cutting materials.

Images