Blanking mechanism for hat brim sewing and hat brim sewing equipment

Abstract

The utility model discloses a hat brim sewing blanking mechanism and hat brim sewing equipment, the hat brim sewing blanking mechanism comprises a rack and a blanking manipulator arranged on the rack, the rack is provided with a blanking motor, a first guide rail and a first slide block; the first guide rail horizontally extends left and right, and the first sliding block is matched with the first guide rail and can slide left and right along the first guide rail. The discharging mechanical arm comprises a first suction arm, a first air cylinder, a first connecting arm and a first swing rod. The first cylinder is connected to the upper end of the first suction arm, the lower end of the first connecting arm is hinged to the first cylinder, and the first cylinder drives the first suction arm to move back and forth relative to the first connecting arm; the upper end of the first connecting arm is hinged to the outer end of the first swing rod, and the inner end of the first swing rod is connected to the driving end of the discharging motor, so that the discharging motor drives the first swing rod to rotate in the front-back axial direction. In this way, full-automatic discharging under the hat brim reversing sewing machining mode is achieved, and action operation is stable and reliable.

Description

Technical Field

[0001] The utility model relates to the field technology of hat brim sewing equipment, in particular to a hat brim sewing material cutting mechanism and hat brim sewing equipment. Background Art

[0002] The duckbill cap mainly comprises a cap body and a brim connected to the front end of the cap body. The brim is usually divided into a flat brim and a curved brim. When the curved brim is processed, it is necessary to sew along the front arc edge of the curved brim.

[0003] At present, the front end arc edge of the curved brim is usually sewn by a fully automatic machine. For example, CN219032550U discloses a fully automatic loading, sewing and unloading cylinder sewing machine, which includes a frame and a sewing machine head arranged on the frame, a cylinder located below the sewing machine head, and an automatic feeding device for feeding toward the cylinder. The cylinder is provided with a material transfer module, a feeding area and a sewing area arranged front and back, and the sewing area is located below the sewing machine head. The automatic feeding device sends the brim to the feeding area, and the material transfer module pushes the brim from the feeding area to the sewing area. The front end arc edge of the brim (curved brim) is toward the front end of the cylinder, and the inner arc edge reserved at the rear end is toward the rear end of the cylinder. During actual sewing, the left and right ends of the front end arc edge may be partially folded at the inner arc edge reserved at the rear end, resulting in poor sewing processing, affecting the sewing processing quality and processing efficiency.

[0004] Based on this, the applicant reversed the sewing process of the brim, that is, the front arc edge of the curved brim was directed toward the rear end of the cylinder, and developed a fully automatic feeding mechanism suitable for the reversing sewing process of the brim. Utility Model Content

[0005] In view of this, the utility model aims to solve the deficiencies in the prior art, and its main purpose is to provide a brim sewing and cutting mechanism and a brim sewing device, which can realize fully automatic cutting under the brim reversing sewing processing mode, and the operation is stable and reliable.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A hat brim sewing and blanking mechanism, comprising a frame and a blanking manipulator arranged on the frame;

[0008] The frame is provided with a feeding motor, a first guide rail and a first slider; the first guide rail is horizontally extended to the left and right, and the first slider is adapted to the first guide rail and can slide left and right along the first guide rail;

[0009] The unloading robot includes a first suction arm, a first cylinder, a first connecting arm and a first rocker arm; the first cylinder is connected to the upper end of the first suction arm, the first connecting arm can be movably arranged up and down along the first slider, the lower end of the first connecting arm is hinged to the first cylinder, and the first cylinder drives the first suction arm to move forward and backward relative to the first connecting arm; the upper end of the first connecting arm is hinged to the outer end of the first rocker arm, and the inner end of the first rocker arm is connected to the driving end of the unloading motor, so that the unloading motor drives the first rocker arm to rotate around the front and rear axis.

[0010] As a preferred solution, the upper end of the first suction arm is connected to the piston rod of the first cylinder, and the cylinder body of the first cylinder is hinged to the lower end of the first connecting arm.

[0011] As a preferred embodiment, an L-shaped connecting plate is provided on the cylinder body of the first cylinder, and the L-shaped connecting plate includes a transverse plate portion and a vertical plate portion extending upward from the front end of the transverse plate portion, the transverse plate portion is connected to the cylinder body of the first cylinder, and the lower end of the first connecting arm is hinged to the vertical plate portion.

[0012] As a preferred solution, a translation drive unit is also provided on the frame, and the translation drive unit is connected to the unloading motor, so that: the translation drive unit drives the unloading motor, the first slider and the unloading robot to translate left and right together.

[0013] As a preferred solution, the translation drive unit includes a second cylinder, the unloading motor is installed on a sliding seat, the second cylinder is driven and connected to the sliding seat, the frame is provided with a second guide rail, the second guide rail is extended horizontally left and right, the sliding seat is adapted on the second guide rail, and the second cylinder drives the sliding seat to slide left and right along the second guide rail.

[0014] As a preferred embodiment, the frame is provided with a strip-shaped through slot extending left and right, the strip-shaped through slot passes through the front and rear sides of the frame, the driving end of the unloading motor passes forward through the strip-shaped through slot, and when the translation drive unit drives the unloading motor to translate left and right, the driving end of the unloading motor translates left and right accordingly in the strip-shaped through slot.

[0015] A hat brim sewing device comprises a sewing machine head, a cylinder located below the sewing machine head, an automatic loading mechanism for feeding materials toward the cylinder, and a unloading mechanism for automatically unloading the hat brim from the cylinder, wherein the unloading mechanism is any of the hat brim sewing unloading mechanisms described above.

[0016] As a preferred embodiment, the cylinder is provided with a material transfer module, a loading area and a sewing area arranged in front and back, the automatic loading mechanism sends the brim to the loading area, the material transfer module pushes the brim from the loading area to the sewing area, and the sewing area is located below the sewing machine head; when unloading, the first suction arm sucks the brim and is driven by the first cylinder to move forward relative to the first connecting arm, so that the brim avoids the area below the sewing needle of the sewing machine head.

[0017] As a preferred embodiment, the automatic feeding mechanism includes a feeding motor, a second suction arm, a second connecting arm and a second rocker arm; the upper end of the second connecting arm is hinged to the outer end of the second rocker arm, and the inner end of the second rocker arm is connected to the driving end of the feeding motor, so that the feeding motor drives the second rocker arm to rotate around the front and rear axes.

[0018] As a preferred solution, the first suction arm is arranged to extend obliquely toward the cylinder.

[0019] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical scheme that it is mainly achieved by ingeniously designing the structure of the unloading robot, wherein the first suction arm is driven by the first cylinder to move forward and backward relative to the first connecting arm, and at the same time, the upper end of the first connecting arm is hinged to the outer end of the first rocker arm, and the inner end of the first rocker arm is connected to the driving end of the unloading motor, so that the unloading motor drives the first rocker arm to rotate around the front and rear axis. In this way, when unloading is required, the first suction arm sucks the brim of the hat and the first cylinder drives the first suction arm to move forward relative to the first connecting arm, so that the brim of the hat avoids the area below the sewing needle of the sewing machine head, and then the unloading motor drives the first rocker arm, thereby realizing fully automatic unloading under the brim reversing sewing processing mode, and the operation is stable and reliable.

[0020] Moreover, the brim sewing feeding mechanism of the utility model is arranged on the brim sewing device, so that the structure of the brim sewing device is compact and space is saved.

[0021] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional diagram of a hat brim sewing device according to an embodiment of the utility model;

[0023] Figure 2 It is a three-dimensional diagram of a hat brim sewing and blanking mechanism according to an embodiment of the utility model;

[0024] Figure 3It is another three-dimensional diagram of the hat brim sewing and blanking mechanism according to the embodiment of the utility model.

[0025] Explanation of the accompanying drawings: sewing machine head 10, cylinder 20, automatic feeding mechanism 30, feeding motor 31, second suction arm 32, second connecting arm 33, second rocker arm 34, second slider 35, unloading mechanism 40, frame 41, bar-shaped through groove 411, second guide rail 412, unloading motor 42, sliding seat 421, first guide rail 43, first slider 44, second cylinder 45, first suction arm 46, first cylinder 47, L-shaped connecting plate 471, first connecting arm 48, first rocker arm 49, material transfer module 50, clamping assembly 60, brim 70. DETAILED DESCRIPTION

[0026] Please refer to Figures 1 to 3 As shown, it shows the specific structure of an embodiment of the utility model.

[0027] In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "up", "down", "left", "right", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0028] A hat brim sewing device includes a sewing machine head 10, a cylinder 20 located below the sewing machine head 10, an automatic feeding mechanism 30 for feeding materials toward the cylinder 20, and a unloading mechanism 40 for automatically unloading the hat brim from the cylinder 20.

[0029] The blanking mechanism 40 also refers to a brim sewing blanking mechanism, which includes a frame 41 and a blanking robot disposed on the frame 41 .

[0030] The frame 41 is provided with a feeding motor 42, a first guide rail 43 and a first slider 44; the first guide rail 43 is horizontally extended to the left and right and is arranged at the front side of the frame 41; the first slider 44 is adapted to the first guide rail 43 and can slide left and right along the first guide rail 43. The frame 41 is also provided with a translation driving unit, and the translation driving unit includes a second cylinder 45. In addition, the frame 41 is provided with a strip-shaped through groove 411 extending left and right, and the strip-shaped through groove 411 passes through the front and rear sides of the frame 41.

[0031] The unloading manipulator includes a first suction arm 46, a first cylinder 47, a first connecting arm 48 and a first swing rod 49; the first suction arm 46 is arranged to extend obliquely toward the cylinder 20, a suction nozzle is arranged at the lower end of the first suction arm 46 for sucking the brim (for example, the brim of a hat), the first cylinder 47 is connected to the upper end of the first suction arm 46, the first connecting arm 48 is arranged to be movable up and down along the first slider 44, the lower end of the first connecting arm 48 is hinged to the first cylinder 47, and the first cylinder 47 drives the first suction arm 46 to move forward and backward relative to the lower end of the first connecting arm 48; the upper end of the first connecting arm 48 is hinged to the outer end of the first swing rod 49, and the inner end of the first swing rod 49 is connected to the driving end of the unloading motor 42, so that the unloading motor 42 drives the first swing rod 49 to rotate around the front and rear axis. The upper end of the first suction arm 46 is connected to the outer end of the piston rod of the first cylinder 47, and the cylinder body of the first cylinder 47 is hinged to the lower end of the first connecting arm 48. In this embodiment, an L-shaped connecting plate 471 is provided on the cylinder body of the first cylinder 47, and the L-shaped connecting plate 471 includes a horizontal plate portion and a vertical plate portion extending upward from the front end of the horizontal plate portion, the horizontal plate portion is connected to the cylinder body of the first cylinder 47, and the lower end of the first connecting arm 48 is hinged to the vertical plate portion. Further, the translation drive unit is connected to the unloading motor 42, so that: the translation drive unit drives the unloading motor 42, the first slider 44 and the unloading manipulator to translate left and right together.

[0032] The unloading motor 42 is mounted on the sliding seat 421, the piston rod of the second cylinder 45 is connected to the sliding seat 421, the rear side of the frame 41 is provided with a second guide rail 412, the second guide rail 412 is horizontally extended left and right, the sliding seat 421 is adapted to the second guide rail 412, and the second cylinder 45 drives the sliding seat 421 to slide left and right along the second guide rail 412. The driving end of the unloading motor 42 passes forward through the strip-shaped through slot 411, and when the translation drive unit drives the unloading motor 42 to translate left and right, the driving end of the unloading motor 42 translates left and right in the strip-shaped through slot 411 accordingly.

[0033] The cylinder 20 is provided with a material transfer module 50, a loading area, and a sewing area arranged front and back. The automatic loading mechanism 30 delivers the brim to the loading area, and the material transfer module moves the brim from the loading area to the sewing area, and the sewing area is located below the sewing machine head 10. When unloading, the first suction arm 46 sucks the brim and is driven by the first cylinder 47 to move forward relative to the lower end of the first connecting arm 48, so that the brim avoids the area below the sewing needle of the sewing machine head 10. In addition, a material receiving bin is also provided on the side (left side) of the cylinder 20, and the automatic material receiving device automatically unloads the brim to the material receiving bin.

[0034] The automatic feeding mechanism 30 includes a feeding motor 31, a second suction arm 32, a second connecting arm 33 and a second swing arm 34; the lower end of the second suction arm 32 is provided with a suction nozzle for sucking the brim (for example: brim), the upper end of the second connecting arm 33 is hinged to the outer end of the second swing arm 34, and the inner end of the second swing arm 34 is connected to the driving end of the feeding motor 31, so that the feeding motor 31 drives the second swing arm 34 to rotate around the front and rear axis. In this embodiment, the first guide rail 43 extends left and right to the area where the automatic feeding mechanism 30 is located. In this way, by setting the second slider 35 adapted to the first guide rail 43 and being able to slide left and right along the first guide rail 43, the second connecting arm 33 can be movably arranged up and down along the second slider 35, which is equivalent to using the second slider 35 to constrain the second connecting arm 33 to move left and right and move up and down in multiple directions. The automatic loading mechanism 30 and the automatic unloading mechanism 40 are designed as an integrated mechanism, which has a compact structure and saves space. They occupy little space in the left and right directions on the machine platform. At the same time, they are each equipped with a motor as a power control, and cooperate with guide rails and rocker arms to achieve better controllability of loading and unloading.

[0035] Next, the automatic processing process of the hat brim sewing equipment is introduced as follows:

[0036] The automatic feeding mechanism 30 delivers the brim 70 to the feeding area, and the material shifting module 50 moves forward and presses down to hold the brim first (because the front arc edge of the curved brim is facing the rear end of the cylinder 20, and the inner arc edge reserved at the rear end is facing the front end of the cylinder 20, therefore, the material shifting module 50 can better hold and position the curved brim (for example, the part where the inner arc edge is located)), and the material shifting module 50 pushes the brim from the feeding area to the sewing area below the sewing machine head 10 (the front arc edge of the curved brim is a harder and more regular part, and the positioning control is better when it is pushed to the front end); then, the clamping assembly 60 at the periphery of the sewing area presses and positions the front arc edge of the curved brim; then, the material shifting module 50 releases the pressure on the curved brim and resets forward to the front of the feeding area; then, as the cylinder 20 rotates, the sewing machine head 10 moves the brim to the sewing area below the sewing machine head 10. The machine head 10 performs sewing along the front arc edge of the curved brim, and at the same time, the automatic loading mechanism 30 sends the next brim to the loading area, and the material shifting module 50 moves forward and presses down to hold the brim, that is, it is in a waiting state; after sewing is completed, the unloading motor 42 works to make the first suction arm 46 move downward until it is sucked onto the brim, and the clamping assembly 60 at the periphery of the sewing area releases the curved brim, and then, the first cylinder 47 drives the first suction arm 46 to move forward relative to the lower end of the first connecting arm 48, so that the brim avoids the area below the sewing needle of the sewing machine head 10, and then, the translation drive unit and the unloading motor 42 work simultaneously, so that the first suction arm 46 deviates from the left upward trajectory, sends the brim to the top of the material receiving bin, and releases the brim to fall into the material receiving bin.

[0037] The design focus of the utility model is that it is mainly through the ingenious design of the structure of the unloading robot, the first cylinder 47 drives the first suction arm 46 to move forward and backward relative to the first connecting arm 48, and at the same time, the upper end of the first connecting arm 48 is hinged to the outer end of the first rocker arm 49, and the inner end of the first rocker arm 49 is connected to the driving end of the unloading motor 42, so that the unloading motor 42 drives the first rocker arm 49 to rotate around the front and rear axis. In this way, when unloading is required, the first suction arm 46 sucks the brim of the hat and the first cylinder 47 drives the first suction arm 46 to move forward relative to the first connecting arm 48, so that the brim of the hat avoids the area below the sewing needle of the sewing machine head 10, and then the unloading motor 42 drives the first rocker arm 49, thereby realizing fully automatic unloading under the reversing sewing processing mode of the brim of the hat, and the operation is stable and reliable.

[0038] Moreover, the brim sewing feeding mechanism 40 of the present invention is arranged on the brim sewing device, so that the structure of the brim sewing device is compact and space-saving.

[0039] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A hat brim sewing and blanking mechanism, comprising a frame and a blanking manipulator arranged on the frame, characterized in that: The frame is provided with a feeding motor, a first guide rail and a first slider; the first guide rail is horizontally extended to the left and right, and the first slider is adapted to the first guide rail and can slide left and right along the first guide rail; The unloading robot includes a first suction arm, a first cylinder, a first connecting arm and a first rocker arm; the first cylinder is connected to the upper end of the first suction arm, the first connecting arm can be movably arranged up and down along the first slider, the lower end of the first connecting arm is hinged to the first cylinder, and the first cylinder drives the first suction arm to move forward and backward relative to the first connecting arm; the upper end of the first connecting arm is hinged to the outer end of the first rocker arm, and the inner end of the first rocker arm is connected to the driving end of the unloading motor, so that the unloading motor drives the first rocker arm to rotate around the front and rear axis.

2. The hat brim sewing and blanking mechanism according to claim 1, characterized in that: The upper end of the first suction arm is connected to the piston rod of the first cylinder, and the cylinder body of the first cylinder is hinged to the lower end of the first connecting arm.

3. The hat brim sewing and blanking mechanism according to claim 2, characterized in that: An L-shaped connecting plate is arranged on the cylinder body of the first cylinder, and the L-shaped connecting plate includes a transverse plate portion and a vertical plate portion extending upward from the front end of the transverse plate portion. The transverse plate portion is connected to the cylinder body of the first cylinder, and the lower end of the first connecting arm is hinged to the vertical plate portion.

4. The hat brim sewing and blanking mechanism according to claim 1, characterized in that: The frame is also provided with a translation driving unit, and the translation driving unit is connected to the unloading motor, so that: the translation driving unit drives the unloading motor, the first sliding block and the unloading manipulator to translate left and right together.

5. The hat brim sewing and blanking mechanism according to claim 4, characterized in that: The translation drive unit includes a second cylinder, the unloading motor is installed on a sliding seat, the second cylinder is driven and connected to the sliding seat, the frame is provided with a second guide rail, the second guide rail is horizontally extended left and right, the sliding seat is adapted on the second guide rail, and the second cylinder drives the sliding seat to slide left and right along the second guide rail.

6. The hat brim sewing and blanking mechanism according to claim 4, characterized in that: The frame is provided with a strip through slot extending left and right, and the strip through slot passes through the front and rear sides of the frame. The driving end of the unloading motor passes forward through the strip through slot. When the translation drive unit drives the unloading motor to translate left and right, the driving end of the unloading motor translates left and right accordingly in the strip through slot.

7. A hat brim sewing device, comprising a sewing machine head, a cylinder located below the sewing machine head, an automatic feeding mechanism for feeding materials toward the cylinder, and a unloading mechanism for automatically unloading the hat brim from the cylinder, characterized in that: The blanking mechanism is the hat brim sewing blanking mechanism according to any one of claims 1 to 6.

8. The hat brim sewing device according to claim 7, characterized in that: The cylinder is provided with a material transfer module, a loading area and a sewing area arranged front and back. The automatic loading mechanism sends the brim to the loading area, and the material transfer module pushes the brim from the loading area to the sewing area. The sewing area is located below the sewing machine head. When unloading, the first suction arm sucks the brim and is driven by the first cylinder to move forward relative to the first connecting arm, so that the brim avoids the area below the sewing needle of the sewing machine head.

9. The hat brim sewing device according to claim 7, characterized in that: The automatic feeding mechanism includes a feeding motor, a second suction arm, a second connecting arm and a second rocker arm; the upper end of the second connecting arm is hinged to the outer end of the second rocker arm, and the inner end of the second rocker arm is connected to the driving end of the feeding motor, so that the feeding motor drives the second rocker arm to rotate around the front and rear axes.

10. The hat brim sewing device according to claim 7, characterized in that: The first suction arm is arranged to extend obliquely toward the cylinder.

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