Cotton cushion mechanism of sewing machine

Abstract

The utility model discloses a sewing machine cotton cushion mechanism, which relates to the technical field of garment processing and comprises a base, a conveying component and a support are mounted at the top end of the base, two groups of punching components are symmetrically arranged at the top of the support, a rolling component is connected to the bottom of the base, a U-shaped frame is arranged on the front side of the base, and a vertical cylinder is mounted at the bottom end of the U-shaped frame. A mounting plate is connected to the telescopic end of the vertical air cylinder, a horizontal air cylinder is mounted at the top end of the mounting plate in the direction facing the base, the horizontal air cylinder extends to push the adsorption box to the position below the two punching assemblies, the two punching assemblies conduct punching on the two cotton cushion strips, and punched cotton gaskets are adsorbed to the two ends of the adsorption box. And the horizontal air cylinder retracts to pull the adsorption box to reset, the vertical air cylinder stretches to push the adsorption box to the sewing machine processing table, after a worker takes away the two sets of cotton gaskets, the vertical air cylinder retracts to pull the adsorption box to the initial position, and therefore automatic punching and feeding of the cotton gaskets are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of clothing processing, in particular to a cotton pad mechanism for a sewing machine. Background Art

[0002] In garment processing, cotton pads are added to the corners of jeans pockets to reduce the damage of the pocket corners during the washing process. Currently, the sewing of cotton pads is usually carried out by sewing machines. Each time the staff sews, they need to take out a group of cotton pads from the material storage box on one side of the sewing machine. The repeated operation has high work intensity, and it is easy to take more materials at a time. Therefore, we proposed a cotton pad mechanism for sewing machines. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a cotton pad mechanism for a sewing machine, which solves the problems raised in the above-mentioned background technology.

[0004] To achieve the above purpose, the utility model is implemented through the following technical scheme: a sewing machine cotton pad mechanism, including a base, a conveying assembly and a bracket are installed on the top of the base, two groups of punching assemblies are symmetrically arranged on the top of the bracket, the bottom of the base is connected to a winding assembly, a U-shaped frame is arranged on the front side of the base, a vertical cylinder is installed on the bottom end of the U-shaped frame, the telescopic end of the vertical cylinder is connected to a mounting plate, a horizontal cylinder is installed on the top of the mounting plate and in the direction toward the base, the telescopic end of the horizontal cylinder is connected to an adsorption box, and the bottoms of both ends of the adsorption box are connected to air pipe joints.

[0005] As a further technical solution of the utility model, the conveying assembly includes a base plate, two groups of side plates are installed on the top of the base plate, the bottom and bottom of the two groups of side plates are respectively connected to the active roller and the driven roller for rotation together, and a motor is installed on the edge of the base plate, and the output end of the motor is connected to one end of the active roller.

[0006] As a further technical solution of the utility model, the punching assembly includes a punching seat, a punching cylinder is installed on the top of the punching seat, a punching block is connected to the telescopic end of the punching cylinder and located inside the punching seat, a blanking hole is provided at the bottom end of the punching seat and located below the punching block, and a feed groove is provided on the bottom side of the punching seat.

[0007] As a further technical solution of the utility model, the winding assembly includes a T-frame, both ends of the T-frame are rotatably connected with sleeves, the outside of each group of sleeves is connected to an inner disk, one end of each group of sleeves is sleeved with a driven gear, and the other end of each group of sleeves is slidably connected to an outer disk.

[0008] As a further technical solution of the utility model, the side of each group of the outer disks is connected with a transverse plate, the middle of each group of the transverse plates is slidably connected with a pin, the bottom of each group of the pins extends to the annular wall of the sleeve, and the bottom end of each group of the transverse plates and the middle section of each group of the pins are commonly connected with a spring.

[0009] As a further technical solution of the utility model, a double-headed motor is installed at the bottom end of the T-frame, and driving gears are sleeved on both side output ends of the double-headed motor, and each group of the driving gears and each group of driven gears are meshingly connected. Beneficial Effects

[0010] The utility model provides a cotton pad mechanism for a sewing machine. Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1. A cotton pad mechanism for a sewing machine, wherein a horizontal cylinder extends to push an adsorption box to the bottom of two sets of punching and cutting components, and the two sets of punching and cutting components punch out two sets of cotton pad strips, and the punched cotton pads are adsorbed on both ends of the adsorption box. The horizontal cylinder contracts to pull the adsorption box to reset, and the vertical cylinder extends to push the adsorption box to the processing table of the sewing machine. After the staff takes away the two sets of cotton pads, the vertical cylinder contracts to pull the adsorption box back to the initial position, thereby realizing automatic punching and feeding of the cotton pads.

[0012] 2. A cotton pad mechanism for a sewing machine, wherein a double-headed motor drives two sets of active gears to rotate, and then two sets of driven gears drive two sets of sleeves to rotate to roll up the two sets of cotton pad strips. When the cotton pad strips are rolled up to a certain thickness, the pin is pulled upward so that the bottom of the pin is separated from the annular wall of the sleeve, so that the outer disks and the cotton pad strip rolls can be removed in turn. After removal, the two outer disks are sleeved on the outside of the sleeve, and the bottom of the pin is clamped on the annular wall of the sleeve, and the free ends of the two sets of cotton pad strips are rewound around the outside of the two sets of sleeves. This structure can roll up the cotton pad strips after punching and is convenient for removing the rolled cotton pad strips. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a cotton pad mechanism of a sewing machine;

[0014] Figure 2 It is a structural schematic diagram of a conveying component in a cotton pad mechanism of a sewing machine;

[0015] Figure 3 A top view of a punching assembly in a cotton pad mechanism of a sewing machine;

[0016] Figure 4 for Figure 3 Sectional view of AA in the middle;

[0017] Figure 5 The present invention is a structural schematic diagram of a winding component in a cotton pad mechanism of a sewing machine.

[0018] In the figure: 1. base; 2. conveying assembly; 21. bottom plate; 22. side plate; 23. active roller; 24. driven roller; 25. motor; 3. bracket; 4. punching assembly; 41. punching seat; 42. punching cylinder; 43. punching block; 44. blanking hole; 45. feed chute; 5. winding assembly; 51. T-frame; 52. sleeve; 53. inner disk; 54. driven gear; 55. outer disk; 56. cross plate; 57. pin; 58. spring; 59. double-head motor; 510. active gear; 6. T-frame; 7. vertical cylinder; 8. mounting plate; 9. horizontal cylinder; 10. adsorption box; 11. air pipe joint. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 The utility model provides a technical solution for a cotton pad mechanism of a sewing machine: a cotton pad mechanism of a sewing machine, comprising a base 1, a conveying assembly 2 and a bracket 3 are installed on the top of the base 1, two groups of punching assemblies 4 are symmetrically arranged on the top of the bracket 3, a winding assembly 5 is connected to the bottom of the base 1, a U-shaped frame 6 is arranged on the front side of the base 1, a vertical cylinder 7 is installed on the bottom end of the U-shaped frame 6, a mounting plate 8 is connected to the telescopic end of the vertical cylinder 7, a horizontal cylinder 9 is installed on the top of the mounting plate 8 and in the direction toward the base 1, a suction box 10 is connected to the telescopic end of the horizontal cylinder 9, and air pipe joints 11 are connected to the bottoms of both ends of the suction box 10.

[0021] It should be noted that the bottom of the U-shaped frame 6 is installed at the bottom of the sewing machine platform, and a through slot adapted to the adsorption box 10 is opened on the sewing machine platform, and the air pipe joint 11 is connected to the external exhaust device through a hose, and air hole groups are opened at the top of both ends of the adsorption box 10. When the exhaust device is working, the air hole group generates suction;

[0022] The two groups of cotton pad strips pass through the two groups of punching components 4, the conveying component 2 and the winding component 5. When the horizontal cylinder 9 extends and pushes the adsorption box 10 to the bottom of the two groups of punching components 4, the two groups of punching components 4 punch and cut the two groups of cotton pad strips, and the punched cotton pads are adsorbed on the two ends of the adsorption box 10. At this time, the conveying component 2 and the winding component 5 work synchronously to rewind the cotton pad strips, and then the horizontal cylinder 9 contracts and pulls the adsorption box 10 to reset, and the vertical cylinder 7 extends and pushes the adsorption box 10 to the sewing machine processing table. After the staff takes away the two groups of cotton pads, the vertical cylinder 7 contracts and pulls the adsorption box 10 back to the initial position, thereby realizing automatic punching and feeding of the cotton pads.

[0023] See also Figure 2 The conveying assembly 2 includes a bottom plate 21, two sets of side plates 22 are installed on the top of the bottom plate 21, the bottom and bottom of the two sets of side plates 22 are respectively connected with a driving roller 23 and a driven roller 24 for common rotation, and a motor 25 is installed on the edge of the bottom plate 21, and the output end of the motor 25 is connected to one end of the driving roller 23.

[0024] It should be noted that the punched cotton pad strip passes through the active roller 23 and the driven roller 24. The motor 25 drives the active roller 23 to rotate, and the active roller 23 and the driven roller 24 drive the cotton pad strip to move backward.

[0025] See also Figure 3 The punching assembly 4 includes a punching seat 41, a punching cylinder 42 is installed on the top of the punching seat 41, a punching block 43 is connected to the telescopic end of the punching cylinder 42 and located inside the punching seat 41, a blanking hole 44 is opened at the bottom end of the punching seat 41 and located below the punching block 43, and a feeding groove 45 is opened on the bottom side of the punching seat 41.

[0026] It should be noted that the cotton pad strip passes through the feed slot 45 , and when the punching cylinder 42 drives the punching block 43 to move up and down inside the punching seat 41 , the cotton pad strip is punched and the punched cotton pad is discharged through the blanking hole 44 .

[0027] See also Figure 4 The winding assembly 5 includes a T-frame 51, both ends of the T-frame 51 are rotatably connected with sleeves 52, the outside of each set of sleeves 52 is connected with an inner disk 53, one end of each set of sleeves 52 is sleeved with a driven gear 54, the other end of each set of sleeves 52 is slidably connected with an outer disk 55, the side of each set of outer disks 55 is connected with a cross plate 56, the middle of each set of cross plates 56 is penetrated by a pin 57 that is slidably connected, the bottom of each set of pins 57 extends to the annular wall of the sleeve 52, the bottom end of each set of cross plates 56 and the middle section of each set of pins 57 are commonly connected with a spring 58, a double-headed motor 59 is installed at the bottom end of the T-frame 51, and the output ends on both sides of the double-headed motor 59 are sleeved with driving gears 510, and each set of driving gears 510 and each set of driven gears 54 are meshingly connected.

[0028] It should be noted that the two groups of cotton pad strips after punching are wound around the outside of the two groups of sleeves 52, and the double-headed motor 59 drives the two groups of driving gears 510 to rotate, and the two groups of driven gears 54 drive the two groups of sleeves 52 to rotate to reel in the two groups of cotton pad strips. When they are reeled to a certain thickness, the pin 57 is pulled upward so that the bottom of the pin 57 is separated from the annular wall of the sleeve 52, so that the outer disk 55 and the cotton pad strip roll can be removed in turn. After removal, the two outer disks 55 are put on the outside of the sleeve 52, and the bottom of the pin 57 is clamped on the annular wall of the sleeve 52, and the free ends of the two groups of cotton pad strips are rewound around the outside of the two groups of sleeves 52.

[0029] Working principle of the utility model: when in use, firstly, two groups of cotton pads are passed through the feed slot 45 and the active roller 23 and the driven roller 24, and are wound around the outside of the two groups of sleeves 52;

[0030] When the horizontal cylinder 9 extends and pushes the adsorption box 10 to the bottom of the two sets of punching components 4, the two sets of punching components 4 punch and cut the two sets of cotton pads, and the punched cotton pads are adsorbed on both ends of the adsorption box 10. At this time, the motor 25 drives the active roller 23 to rotate, and the active roller 23 and the driven roller 24 drive the cotton pads to move backward, and the double-headed motor 59 drives the two sets of active gears 510 to rotate, and the two sets of driven gears 54 drive the two sets of sleeves 52 to rotate to reel the two sets of cotton pads;

[0031] The horizontal cylinder 9 contracts and pulls the adsorption box 10 to reset, and the vertical cylinder 7 extends and pushes the adsorption box 10 to the processing table of the sewing machine. After the staff takes away the two sets of cotton pads, the vertical cylinder 7 contracts and pulls the adsorption box 10 back to the initial position, thereby realizing the automatic punching and feeding of the cotton pads;

[0032] When the cotton pad is rolled to a certain thickness, the pin 57 is pulled upward so that the bottom of the pin 57 is separated from the annular wall of the sleeve 52, so that the outer disc 55 and the cotton pad roll can be removed in turn. After removal, the two outer discs 55 are put on the outside of the sleeve 52, and the bottom of the pin 57 is clamped on the annular wall of the sleeve 52, and the free ends of the two groups of cotton pads are rewound around the outside of the two groups of sleeves 52.

Claims

1. A cotton pad mechanism for a sewing machine, comprising a base (1), characterized in that: A conveying assembly (2) and a bracket (3) are installed at the top of the base (1); two groups of punching assemblies (4) are symmetrically arranged on the top of the bracket (3); a winding assembly (5) is connected to the bottom of the base (1); a U-shaped frame (6) is arranged on the front side of the base (1); a vertical cylinder (7) is installed at the bottom end of the U-shaped frame (6); a mounting plate (8) is connected to the telescopic end of the vertical cylinder (7); a horizontal cylinder (9) is installed at the top end of the mounting plate (8) and in the direction toward the base (1); a suction box (10) is connected to the telescopic end of the horizontal cylinder (9); and air pipe joints (11) are connected to the bottoms of both ends of the suction box (10).

2. A cotton pad mechanism for a sewing machine according to claim 1, characterized in that: The conveying assembly (2) comprises a bottom plate (21), two groups of side plates (22) are mounted on the top of the bottom plate (21), the bottoms and bottoms of the two groups of side plates (22) are respectively connected to a driving roller (23) and a driven roller (24) for joint rotation, and a motor (25) is mounted on the edge of the bottom plate (21), the output end of the motor (25) is connected to one end of the driving roller (23).

3. A cotton pad mechanism for a sewing machine according to claim 1, characterized in that: The punching assembly (4) comprises a punching seat (41), a punching cylinder (42) is installed at the top of the punching seat (41), a punching block (43) is connected to the telescopic end of the punching cylinder (42) and is located inside the punching seat (41), a material drop hole (44) is provided at the bottom end of the punching seat (41) and is located below the punching block (43), and a feeding groove (45) is provided on the bottom side of the punching seat (41).

4. A cotton pad mechanism for a sewing machine according to claim 1, characterized in that: The winding assembly (5) comprises a T-shaped frame (51), both ends of the T-shaped frame (51) are rotatably connected to sleeves (52), the outside of each set of sleeves (52) is connected to an inner disk (53), one end of each set of sleeves (52) is sleeved with a driven gear (54), and the other end of each set of sleeves (52) is slidably connected to an outer disk (55).

5. A cotton pad mechanism for a sewing machine according to claim 4, characterized in that: The side of each group of the outer disks (55) is connected to a transverse plate (56), the middle of each group of the transverse plates (56) is slidably connected to a pin (57), the bottom of each group of the pins (57) extends to the annular wall of the sleeve (52), and the bottom end of each group of the transverse plates (56) and the middle section of each group of the pins (57) are commonly connected to a spring (58).

6. A cotton pad mechanism for a sewing machine according to claim 4, characterized in that: A double-headed motor (59) is installed at the bottom end of the T-shaped frame (51), and driving gears (510) are sleeved on both output ends of the double-headed motor (59), and each set of the driving gears (510) and each set of the driven gears (54) are meshingly connected.

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