Bag folding mechanism of a bag opening machine

Abstract

The application discloses a bag folding processing mechanism of a bag opening machine, which comprises an outer pressing frame located above a table plate and a small pressing frame arranged above the outer pressing frame. A material fixing piece is arranged on the outer pressing frame, and a material fixing window is formed between the material fixing pieces. A folding knife is arranged below the material fixing pieces and is distributed in front and back and is slidingly installed on the outer pressing frame. The small pressing frame has a pressing frame frame which is driven to be lifted and displaced and a pressing strip which can penetrate the pressing frame frame and the material fixing window downwards. The folding knife is installed above the table plate and on the outer pressing frame which can be lifted and displaced, so that the folding knife can be conveniently installed and debugged by lifting the outer pressing frame, and the installation and use of the folding knife are more convenient. Meanwhile, the pressing strip which can be driven to be displaced downwards is arranged, so that the edge of the pocket can be folded downwards, and the folding knife which only moves in front and back to fold the edge of the pocket outward is matched, so that the folding operation of the edge of the pocket is realized. Therefore, the folding action of the folding knife is simplified, and the installation and debugging difficulty of the folding knife is reduced.

Description

Technical Field

[0001] This invention relates to the field of garment processing technology, and in particular to a bag-folding processing mechanism for a bag-opening machine. Background Technology

[0002] In garment manufacturing, pocket opening machines are essential auxiliary processing machinery. They are mainly used to create pockets in specific locations on garments to facilitate carrying small items such as mobile phones and wallets. The current practice is to process the pocket opening and the pocket lip separately first, and then sew the pocket lip onto the pocket opening to complete the opening. Specifically, the garment is first placed on an outer pressure frame, and the garment is pressed down by a small pressure frame to fix the garment material on the outer pressure frame. Then, the pocket is cut, folded, the pocket lip is shaped, and sewn. Cutting involves making a slit at the pocket (such as cutting an "H" shaped slit). Folding the pocket involves using a folding knife to fold the cut pocket opening inward along the edge of the fixed material to form a folded edge, and using a clamp to press the fixed material upward to hold and fix the folded edge of the pocket. The pocket lip is placed and pressed firmly onto the folded edge of the pocket, and finally, it is sewn.

[0003] However, in the above processing, the folding knife needs to move up and down and outward each time to fold the edge of the pocket, which makes the driving folding action of the folding knife more complicated and increases the difficulty of installing and debugging the folding knife. This is especially true for bag opening machines where the folding knife is located below the table (i.e., the lower folding knife bag opening machine), which makes it more inconvenient to install and debug the folding knife, and thus easily affects the processing efficiency of pocket folding. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a bag folding processing mechanism for a bag opening machine.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A bag-folding processing mechanism for a bag-opening machine includes an outer pressure frame located above a table and capable of vertical displacement, and a small pressure frame disposed above the outer pressure frame. The outer pressure frame is provided with fixed material pieces capable of being driven to extend and retract, and fixed material windows are formed between the fixed material pieces. Folding knives are disposed below the fixed material pieces and are slidably mounted on the outer pressure frame in a front-to-back manner. The small pressure frame has a pressure frame capable of being driven to extend and retract and a pressure strip capable of penetrating downward through the pressure frame and the fixed material windows.

[0007] Preferably, the outer pressure frame is provided with a folding knife slider that can be driven to slide back and forth, and the folding knife is connected to the folding knife slider.

[0008] Preferably, the folding knife slider is provided with a connecting block, the connecting block connects the folding knife slider and the folding knife via a connecting shaft, the outer pressure frame is equipped with lifting plates distributed in front and behind, the connecting block is fixed with an abutting shaft that abuts against the upper end of the lifting plate, and the lifting plate is provided with an upward inclined plate near the material setting window.

[0009] Preferably, the connecting shaft slides up and down through the folding knife slider, and the upper and lower ends of the connecting shaft are fixed to the connecting block and the folding knife.

[0010] Preferably, a spring is connected between the folding knife and the folding knife slider, and the abutting shaft is pressed downward against the upper end of the lifting plate via the connecting block, the connecting shaft, and the spring.

[0011] Preferably, the outer pressure frame is equipped with a folding knife drive motor and drive teeth connected to the drive end of the folding knife drive motor. The drive teeth drive the folding knife to fold back and forth via the folding knife drive plate.

[0012] Preferably, the outer pressure frame is provided with a clamping piece that can be opened and closed, the folding knife is provided with folding knife teeth, and the clamping piece has clamping teeth that are distributed alternately with the folding knife teeth.

[0013] Preferably, the outer pressure frame is provided with a slide seat that can be driven to move back and forth, the clamping piece is hinged to the slide seat via a hinge plate, and the slide seat is connected to a clamping cylinder for driving the hinge plate and the clamping piece to swing up and down.

[0014] Preferably, the pressure frame is provided with a front pressure frame plate and a rear pressure frame plate that are opposite to each other and can press down on the outer pressure frame.

[0015] Preferably, the rear pressure frame plate is connected to the pressure frame via a connecting plate.

[0016] The beneficial effects of this invention are:

[0017] The folding knife is mounted on an outer pressure frame that is raised and lowered above the platform. By raising the outer pressure frame, the folding knife can be easily installed and adjusted, making the installation and use of the folding knife more convenient. At the same time, by setting a pressure bar that can be driven to move downward, the pocket flap can be folded downward. This works in conjunction with the folding knife that only moves back and forth to fold the pocket flap outward, so as to realize the folding operation of the pocket flap. Thus, the invention simplifies the folding action of the folding knife and reduces the difficulty of installing and adjusting the folding knife. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the structure of the outer pressure frame of the present invention. Figure 1 ;

[0020] Figure 3This is a schematic diagram of the structure of the outer pressure frame of the present invention. Figure 2 ;

[0021] Figure 4 This is a partial structural schematic diagram of the external pressure frame of the present invention;

[0022] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0023] Figure 6 This is a schematic diagram of the structure of the clip of the present invention;

[0024] Figure 7 This is a schematic diagram of the structure of the small pressure frame of the present invention;

[0025] Figure 8 This is a partial structural diagram of the small pressure frame of the present invention.

[0026] In the diagram: outer pressure frame 1, fixed material piece 11, fixed material piece cylinder 111, slide 12, hinge plate 121, clamping cylinder 122, clamping piece 13, clamping piece tooth 131, clamping piece cylinder 14, folding knife 2, folding knife tooth 21, folding knife drive motor 22, drive tooth 221, folding knife drive plate 23, folding knife slider 231, connecting block 24, connecting shaft 241, spring 242, abutting shaft 25, lifting plate 26, inclined plate 261, small pressure frame 3, lifting plate 31, lifting plate cylinder 311, pressure frame 32, front pressure frame plate 33, rear pressure frame plate 34, rear pressure frame plate cylinder 341, connecting plate 342, pressure strip 35, pressure strip lifting plate 351, pressure strip sliding plate 352. Detailed Implementation

[0027] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0028] In the description of this specification, the terms "upper", "lower", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or unit referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the present invention.

[0029] like Figures 1 to 8 As shown, a bag-folding processing mechanism for a bag-opening machine includes an outer pressure frame 1 located above a table and capable of vertical displacement, and a small pressure frame 3 disposed above the outer pressure frame 1. The outer pressure frame 1 is used to place the garment fabric to be processed. The outer pressure frame 1 is provided with a fixed material sheet 11 that can be driven to extend and retract. Specifically, in this embodiment, there are two fixed material sheets 11 distributed in a front-to-back orientation. A fixed material sheet cylinder 111 is installed on the outer pressure frame 1 to drive the two fixed material sheets 11 to move relative to each other in a front-to-back orientation.

[0030] The fixed material pieces 11 are formed with fixed material windows. When the pocket of the garment needs to be folded, the fixed material pieces 11 can move closer to each other through the fixed material piece cylinder 111, and provide a folding edge for the pocket folding operation, so that the pocket of the garment can be folded along the edge of the fixed material piece 11. After the pocket folding operation is completed, the fixed material pieces 11 can move away from each other through the fixed material piece cylinder 111, so as to provide a sewing gap for the subsequent pocket sewing operation.

[0031] Below the fixed material sheet 11, there are two folding blades 2 arranged in a front-to-back pattern and slidably mounted on the outer pressure frame 1. The number of folding blades 2 is two and they correspond one-to-one with the two fixed material sheets 11. The outer pressure frame 1 is provided with a folding blade slider 231 that can be driven to slide back and forth. The folding blade 2 is connected to the folding blade slider 231. The folding blade slider 231 can drive the folding blade 2 on it to move back and forth, thereby realizing the outward folding operation of the pocket edge.

[0032] Specifically, the outer pressure frame 1 is equipped with a folding knife drive motor 22 and a drive tooth 221 connected to the drive end of the folding knife drive motor 22. The folding knife drive motor 22 is used to drive the drive tooth 221 to rotate forward and backward. The drive tooth 221 drives the folding knife 2 to fold forward and backward through the folding knife drive plate 23. That is, the folding knife slider 231 is fixedly installed on the folding knife drive plate 23, and the folding knife drive plate 23 is engaged with the drive tooth 221 through the tooth plate, so that the folding knife slider 231 can be driven to move forward and backward through the folding knife drive motor 22, the drive tooth 221, and the folding knife drive plate 23.

[0033] The two folding blades 2 move closer to each other via the folding blade slider 231. At this time, both folding blades 2 are located directly below the material setting window. The small pressure frame 3 has a pressure frame 32 that is driven to move up and down and a pressure strip 35 that can penetrate downward through the pressure frame 32 and the material setting window. The pressure frame 32 can press down on the garment fabric on the outer pressure frame 1. The pressure strip 35 can be moved to directly above the material setting window via the pressure strip slide plate 352. The pressure strip 35 can also be moved up and down via the pressure strip lifting plate 351, so that the pressure strip 35 can be driven to move downward and fold the pocket edge downward. This works in conjunction with the folding blade 2, which only moves forward and backward to fold the pocket edge outward. That is, the folding blade 2 is used to fold the already folded pocket edge outward to achieve the pocket edge folding operation. Thus, this embodiment simplifies the folding action of the folding blade 2 and reduces the difficulty of installing and debugging the folding blade 2.

[0034] Meanwhile, in this embodiment, the folding blade 2 is installed on the outer pressure frame 1 above the platform and can be raised and lowered. By raising the outer pressure frame 1, the folding blade 2 can be easily installed and adjusted, making the installation and use of the folding blade 2 more convenient and improving the ease of use of the equipment.

[0035] In this embodiment, the folding knife slider 231 is provided with a connecting block 24. The connecting block 24 connects the folding knife slider 231 and the folding knife 2 via a connecting shaft 241. The folding knife slider 231 drives the corresponding connecting block 24 and the folding knife 2 to move back and forth synchronously via the connecting shaft 241.

[0036] Furthermore, the connecting shaft 241 slides up and down through the folding knife slider 231, and the upper and lower ends of the connecting shaft 241 are fixed to the connecting block 24 and the folding knife 2, thereby allowing the connecting block 24 and the folding knife 2 to move up and down relative to the folding knife slider 231 via the connecting shaft 241.

[0037] Furthermore, the outer pressure frame 1 is equipped with lifting plates 26 distributed in the front and back. The lifting plates 26 extend along the front and back displacement direction of the folding knife slider 231. The connecting block 24 is fixed with an abutting shaft 25 that abuts against the upper end of the lifting plate 26. When the connecting block 24 moves back and forth with the folding knife slider 231, the abutting shaft 25 on it always abuts against the upper end of the lifting plate 26 downwards.

[0038] Specifically, a spring 242 abuts between the folding knife 2 and the folding knife slider 231. The spring 242 is sleeved on the outer periphery of the connecting shaft 241. The abutting shaft 25 presses downward against the upper end of the lifting plate 26 via the connecting block 24, the connecting shaft 241, and the spring 242. That is, the abutting shaft 25 is always pressed down on the lifting plate 26.

[0039] The lifting plate 26 is provided with an upward inclined plate 261 near the material window. During the process of the folding knife slider 231 driving the folding knife 2 to move directly below the material window, the abutting shaft 25 is lifted upward via the inclined plate 261, and drives the folding knife 2 to move upward and close to the material plate 11 through the connecting block 24 and the connecting shaft 241. This allows the folding knife 2 to fold the edge of the pocket outward while adhering to the material plate 11, thus ensuring the flatness of the pocket edge when folding outward.

[0040] Furthermore, the outer pressure frame 1 is provided with a clip 13 that can be opened and closed to hold and fix the folded edge of the pocket. That is, the folding knife 2 can cooperate with the clip 13 to hold and fix the folded edge of the pocket flat. In addition, the folding knife 2 is provided with folding knife teeth 21, and the clip 13 has clip teeth 131 that are staggered with the folding knife teeth 21. As the folding knife 2 moves back and forth, the folding knife teeth 21 can extend into the gap between the clip teeth 131.

[0041] Furthermore, during the process of folding the pocket edge outward, the folding teeth 21 on the folding knife 2 can further fold the pocket edge outward through the gap between the clip teeth 131, which increases the distance of contact with the pocket edge and improves the stability when folding the pocket edge.

[0042] At the same time, as the folding blade 2 moves outward, it can move downward via the inclined plate 261 so that the folding blade teeth 131 can move downward and away from the clip 13, thereby avoiding interference with the subsequent processing of the pocket.

[0043] Furthermore, as the folding blade 21 extends into the gap between the clamping teeth 131 and further folds the pocket edge outward, the clamping teeth 13 can perform a driven clamping action to achieve the folding and clamping action of the pocket edge. Compared with the existing method that requires folding the pocket edge first and then clamping, this embodiment improves the folding processing efficiency of the pocket.

[0044] The outer pressure frame 1 is provided with a slide 12 that can be driven to move back and forth. The clamping piece 13 is hinged to the slide 12 via a hinge plate 121, that is, the clamping piece 13 is rotatably connected to the slide 12. The slide 12 is connected to a clamping cylinder 122 for driving the hinge plate 121 and the clamping piece 13 to swing up and down. The clamping cylinder 122 drives the clamping piece 13 to swing up and down via the hinge plate 121 so that the clamping piece 13 can clamp the flap of the bag upward.

[0045] The outer pressure frame 1 is equipped with a clamping cylinder 14 for driving the slide 12 to move back and forth. The clamping cylinder 14 can drive the clamping piece 13 to move back and forth via the slide 12. That is, the clamping cylinder 14 can drive the clamping piece 13 to move away from each other via the slide 12 and the hinge plate 121 to avoid the clamping piece 13 interfering with the folding operation of the bag. When it is necessary for the clamping piece 13 to clamp and fix the bag folding edge, the clamping cylinder 14 can drive the clamping piece 13 to move below the fixed material piece 11, and the clamping cylinder 122 can drive the clamping piece 13 to clamp the bag folding edge upward.

[0046] The small pressure frame 3 includes a lifting plate 31 that is raised and lowered. The lifting plate 31 is driven to move up and down by a lifting plate cylinder 311. The pressure frame 32 is fixedly installed on the lifting plate 31. The pressure frame 32 has a front pressure frame plate 33 and a rear pressure frame plate 34 that are arranged opposite to each other to press down the outer pressure frame 1, so that the clothing fabric fixed on the outer pressure frame 1 can be pressed down by the front pressure frame plate 33 and the rear pressure frame plate 34.

[0047] Furthermore, the rear pressure frame plate 34 is vertically connected to the pressure frame 32 via the connecting plate 342. A rear pressure frame plate cylinder 341 is fixedly installed on the lifting plate 31. The driving end of the rear pressure frame plate cylinder 341 is connected to the rear pressure frame plate 34 via the connecting plate 342. The rear pressure frame plate 34 is vertically and slidably connected to the lifting plate 31 of the pressure frame 32, so that the rear pressure frame plate 34 can move up and down relative to the front pressure frame plate 33.

[0048] In this embodiment, a front pressure plate 33 and a rear pressure plate 34 that are independent of each other are set on the small pressure frame 3. The rear pressure plate 34 can form a pressure surface with a different height from the front pressure plate 33. Then, the front pressure plate 33 cooperates with the rear pressure plate 34 that is raised and lowered to effectively press and sew the pocket fold and the bag lip placed on one side of the fold.

[0049] Specifically, during garment pocket processing, it is sometimes necessary to process single-pocket lip pockets according to the actual needs of the garment. The overall thickness of the fabric at the folded edge of the pocket where the single-pocket lip is placed is relatively thick. If a small pressure frame 3 with the same pressure surface height is used to press the pocket, it is easy for the small pressure frame 3 to fail to press the entire pocket tightly. In this embodiment, by setting a front pressure frame plate 33 and a rear pressure frame plate 34 with different pressure surface heights, the above-mentioned single-pocket lip pocket can be pressed more effectively and reliably, thereby ensuring the sewing quality of the pocket.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A bag-folding processing mechanism for a bag-opening machine, comprising an outer pressure frame (1) located above a table and capable of vertical displacement, and a small pressure frame (3) disposed above the outer pressure frame (1), characterized in that: The outer pressure frame (1) is provided with a fixed material piece (11) that can be driven to extend and retract. A fixed material window is formed between the fixed material pieces (11). A folding knife (2) is provided below the fixed material piece (11) and is distributed in front and behind and slidably installed on the outer pressure frame (1). The small pressure frame (3) has a pressure frame (32) that can be driven to rise and fall and a pressure strip (35) that can penetrate downward through the pressure frame (32) and the fixed material window.

2. The bag-folding processing mechanism of a bag-opening machine as described in claim 1, characterized in that: The outer pressure frame (1) is provided with a folding knife slider (231) that can be driven to slide back and forth, and the folding knife (2) is connected to the folding knife slider (231).

3. The bag-folding processing mechanism of a bag-opening machine as described in claim 2, characterized in that: The folding knife slider (231) is provided with a connecting block (24), and the connecting block (24) connects the folding knife slider (231) and the folding knife (2) via a connecting shaft (241). The outer pressure frame (1) is equipped with lifting plates (26) distributed in front and behind. The connecting block (24) is fixed with an abutting shaft (25) that abuts against the upper end of the lifting plate (26). The lifting plate (26) is provided with an inclined plate (261) that is inclined upward on the side near the material window.

4. The bag-folding processing mechanism of a bag-opening machine as described in claim 3, characterized in that: The connecting shaft (241) slides up and down through the folding knife slider (231), and the upper and lower ends of the connecting shaft (241) are fixed on the connecting block (24) and the folding knife (2).

5. The bag-folding processing mechanism of a bag-opening machine as described in claim 3, characterized in that: A spring (242) abuts against the folding knife (2) and the folding knife slider (231), and the abutting shaft (25) presses downward against the upper end of the lifting plate (26) via the connecting block (24), the connecting shaft (241), and the spring (242).

6. The bag-folding processing mechanism of a bag-opening machine as described in claim 1, characterized in that: The outer pressure frame (1) is equipped with a folding knife drive motor (22) and a drive tooth (221) connected to the drive end of the folding knife drive motor (22). The drive tooth (221) drives the folding knife (2) to fold back and forth via the folding knife drive plate (23).

7. The bag-folding processing mechanism of a bag-opening machine as described in claim 1, characterized in that: The outer pressure frame (1) is provided with a clamping piece (13) that can be opened and closed, and the folding knife (2) is provided with folding knife teeth (21). The clamping piece (13) has clamping piece teeth (131) that are staggered with the folding knife teeth (21).

8. The bag-folding processing mechanism of a bag-opening machine as described in claim 7, characterized in that: The outer pressure frame (1) is provided with a slide (12) that can be driven to move back and forth. The clamping piece (13) is hinged to the slide (12) via a hinge plate (121). The slide (12) is connected to a clamping cylinder (122) for driving the hinge plate (121) and the clamping piece (13) to swing up and down.

9. The bag-folding processing mechanism of a bag-opening machine as described in claim 1, characterized in that: The pressure frame (32) is provided with a front pressure frame plate (33) and a rear pressure frame plate (34) that are able to press down the outer pressure frame (1).

10. The bag-folding processing mechanism of a bag-opening machine as described in claim 9, characterized in that: The rear pressure frame plate (34) is connected to the pressure frame (32) via a connecting plate (342).

Images