Fabric flattening and positioning mechanism of buttonholing machine

Abstract

The utility model relates to the technical field of garment processing, in particular to a fabric flattening and positioning device of a buttonholing machine, which comprises a machine frame and a buttonholing platform arranged on the machine frame, a cross beam is arranged on a stand column on one side, two vertically downward first cylinders are arranged at two ends of the cross beam, and a transverse pressing rod is arranged at the telescopic end of each first cylinder. Horizontal guide rails are arranged on the stand columns at the ends of the keyhole platforms at the two ends of the cross beam, smoothing mechanisms are arranged on the lower surfaces of the horizontal guide rails, first moving beams are arranged at the upper ends of the horizontal guide rails in a sliding mode, and infrared positioners are arranged on the lower surfaces of the first moving beams. According to the fabric flattening and positioning mechanism of the buttonholing machine, fabric on the buttonholing platform can be flattened through the flattening mechanism, meanwhile, the fabric is clamped and fixed through the transverse pressing rod, the buttonholing position can be positioned through the infrared positioner, the buttonholing accuracy is greatly improved, and efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of clothing processing, in particular to a fabric flattening and positioning device for a buttonhole machine. Background Art

[0002] A buttonhole machine creates buttonholes on fabric during the garment manufacturing process. To ensure accurate buttonhole placement, the fabric must be flattened and the buttonhole positions manually marked. During this process, the fabric must be clamped or flattened to ensure accurate buttonhole positioning.

[0003] However, the current buttonhole machines do not have a mechanism for flattening and clamping the fabric. Manual smoothing can easily cause the fabric to be uneven and the buttonhole position to be inaccurate. In addition, the buttonhole efficiency is low, affecting the normal use of the fabric. Utility Model Content

[0004] In order to solve the above technical deficiencies, the utility model provides a fabric flattening and positioning mechanism for a buttonhole machine, which can flatten and clamp the fabric on a buttonhole platform and adjust and position the buttonhole.

[0005] The utility model discloses a fabric flattening and positioning mechanism of a buttonhole machine, comprising a frame and a buttonhole platform arranged on the frame, vertically upward columns are arranged on the four corners of the buttonhole platform, a crossbeam is arranged on the columns on one side, two vertically downward first cylinders are arranged at both ends of the crossbeam, a cross-pressure rod is arranged at the telescopic end of the first cylinder, a silicone strip is arranged at the lower end of the cross-pressure rod, horizontal guide rails are arranged on the columns at the end of the buttonhole platform at both ends of the crossbeam, and a smoothing mechanism is arranged on the lower surface of the horizontal guide rail, and the smoothing mechanism is used to flatten the fabric on the buttonhole platform; a connecting rod is extended at the end of the buttonhole platform opposite to the crossbeam A connecting ear is connected to a swing arm through a pin shaft, the upper end of the swing arm extends to the upper end of the keyhole platform, the lower end of the swing arm extends to the lower end of the keyhole platform, a second cylinder is provided on the lower surface of the keyhole platform, the telescopic end of the second cylinder is connected to the lower end of the swing arm, a transverse pressure rod is provided on the lower surface of the swing arm above the keyhole platform, and a silicone strip is provided on the lower surface of the transverse pressure rod; a first moving beam is slidingly provided at the upper end of the horizontal guide rail, a first motor is provided on the transverse beam, a first screw rod is provided at the output end of the first motor, a screw hole is provided on the first moving beam, the first screw rod is matched with the screw hole and connected, and an infrared locator is provided on the lower surface of the first moving beam.

[0006] The structure of the smoothing mechanism is as follows: a second movable beam is provided on the lower surface of the horizontal guide rail, a second motor is provided on the crossbeam, a second screw rod is provided at the output end of the second motor, a screw hole is provided on the second movable beam, the second screw rod is matched with the screw hole, a third air cylinder pointing vertically downward is provided at both ends of the second movable beam, a smoothing block is provided at the telescopic end of the third cylinder, the interior of the smoothing block is a hollow cavity, an air outlet inclined downward is provided on the side wall of the smoothing block facing the swing arm, the air outlet is connected to the hollow cavity, an air pipe is provided on the smoothing block, and the air pipe is connected to a high-pressure air source.

[0007] A silicone sheet is provided on the side wall of the smoothing block close to the crossbeam, the lower end of the silicone sheet extends to the bottom of the smoothing block, and the lower end edge of the silicone sheet is parallel to the keyhole platform.

[0008] The fabric flattening and positioning mechanism of the buttonhole machine obtained by the utility model can flatten the fabric on the buttonhole platform through the smoothing mechanism, and at the same time use the horizontal pressure rod to clamp and fix the fabric, and the infrared locator can locate the buttonhole position, which greatly improves the accuracy of the buttonhole and has high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is the structural front view of the utility model;

[0010] Figure 2 for Figure 1 sectional view of

[0011] Figure 3 for Figure 2 A partial enlarged schematic diagram;

[0012] Figure 4 It is a structural stereogram of the utility model. DETAILED DESCRIPTION

[0013] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the following is a detailed description of the specific implementation method, structure, characteristics and effects of the present invention in combination with the accompanying drawings and preferred embodiments.

[0014] Example 1:

[0015] like Figures 1-4As shown, the utility model discloses a fabric flattening and positioning mechanism of a buttonhole machine, comprising a frame 2 and a buttonhole platform 1 arranged on the frame 2, vertically upward columns 3 are arranged on the four corners of the buttonhole platform 1, a crossbeam 4 is arranged on the columns 3 on one side, two vertically downward first cylinders 5 are arranged at both ends of the crossbeam 4, a cross-pressure rod 6 is arranged at the telescopic end of the first cylinder 5, a silicone strip 7 is arranged at the lower end of the cross-pressure rod 6, horizontal guide rails 18 are arranged on the columns 3 at the end of the buttonhole platform 1 at both ends of the crossbeam 4, and a smoothing mechanism is arranged on the lower surface of the horizontal guide rail 18, and the smoothing mechanism is used to flatten the fabric on the buttonhole platform 1; a connecting ear 8 is extended from the end of the buttonhole platform 1 opposite to the crossbeam 4, and a connecting ear 8 is arranged on the connecting ear. A swing arm 9 is connected to the ear 8 through a pin shaft, the upper end of the swing arm 9 extends to the upper end of the keyhole platform 1, and the lower end of the swing arm 9 extends to the lower end of the keyhole platform 1. A second cylinder 10 is provided on the lower surface of the keyhole platform 1, and the telescopic end of the second cylinder 10 is connected to the lower end of the swing arm 9. A transverse pressure rod 6 is provided on the lower surface of the swing arm 9 above the keyhole platform 1, and a silicone strip 7 is provided on the lower surface of the transverse pressure rod 6; a first movable beam 21 is slidably provided at the upper end of the horizontal guide rail 18, a first motor 19 is provided on the cross beam 4, a first screw rod 20 is provided at the output end of the first motor 19, a screw hole is provided on the first movable beam 21, the first screw rod 20 is connected to the screw hole, and an infrared locator 22 is provided on the lower surface of the first movable beam 21.

[0016] The buttonhole platform 1 is a working platform on the buttonhole machine, and the infrared locator 22 is an existing commercially available product that can irradiate infrared rays on the buttonhole platform 1 to determine the position of the buttonhole.

[0017] The crossbeam 4 is arranged above one side of the keyhole platform 1. During normal operation: the first cylinder 5 contracts to lift the cross-pressure rod 6, and the staff can lay the fabric on the keyhole platform 1. Then the first cylinder 5 extends, so that the cross-pressure rod 6 presses one end of the fabric against one end of the keyhole platform 1. Then the smoothing mechanism on the horizontal guide rail 18 smoothes the fabric on the keyhole platform 1. Then the second cylinder 10 extends, driving the upper end of the swing arm 9 to move downward, and the cross-pressure rod 6 on the swing arm 9 presses the other end of the fabric, thus flattening the fabric and clamping it. The lower surface of its cross-pressure plate is provided with a silicone strip 7 to avoid indentation on the fabric and make the pressure more stable. The rotation of the first motor 19 can drive the screw to rotate, and the rotation of the screw can move the first movable beam 21, thereby adjusting the positioning position. The infrared locator 22 emits positioning light, which shines on the fabric to indicate the buttonhole position, greatly facilitating the positioning of the buttonhole position and improving the buttonhole accuracy.

[0018] The telescopic end of the second cylinder 10 is connected to the lower end of the swing arm 9 through a short shaft 11. The two ends of the short shaft 11 are respectively connected to the telescopic end of the second cylinder 10 and the lower end of the swing arm 9 through a pin shaft. This ensures that the second cylinder 10 will not interfere with the swing of the swing arm 9 during its extension and retraction, and the equipment operation is more stable and reliable.

[0019] The structure of the smoothing mechanism is as follows: a second movable beam 12 is provided on the lower surface of the horizontal guide rail 18, a second motor 16 is provided on the crossbeam 4, a second screw rod 17 is provided at the output end of the second motor 16, a screw hole is provided on the second movable beam 12, and the second screw rod 17 is connected with the screw hole, and a third cylinder 13 is provided vertically downward at both ends of the second movable beam 12, and a smoothing block 14 is provided at the telescopic end of the third cylinder 13, the interior of the smoothing block 14 is a hollow cavity 23, and an air outlet 24 inclined downward is provided on the side wall of the smoothing block 14 facing the swing arm 9, and the air outlet 24 is connected to the hollow cavity 23, and an air pipe is provided on the smoothing block 14, and the air pipe is connected to the high-pressure air source.

[0020] The second motor 16 drives the second screw 17 to rotate, and during the rotation of the second screw 17, it can drive the second movable beam 12 to move back and forth on the horizontal guide rail 18. When smoothing the fabric normally, the second movable beam 12 is first moved close to the crossbeam 4, and the smoothing block 14 on the second movable beam 12 is close to one end of the crossbeam 4. The third cylinder 13 descends, so that the smoothing block 14 is close to the fabric. Then, the high-pressure air source fills the hollow cavity 23 in the smoothing block 14 with high-pressure air, and the air is ejected from the air outlet 24. During the ejection process, the air is sprayed onto the fabric and blown forward to keep it flat. Under the action of the second movable beam 12, the smoothing block 14 moves from one end of the crossbeam 4 to one end of the swing arm 9, smoothing the fabric on the entire keyhole platform 1. This process runs quickly and stably, and can smooth fabrics with a large area.

[0021] A silicone sheet 15 is installed on the side wall of the smoothing block 14 near the crossbeam 4. The lower end of the silicone sheet 15 extends below the smoothing block 14, and the lower edge of the silicone sheet 15 is parallel to the keyhole platform 1. The lower end of the silicone sheet 15 is slightly lower than the smoothing block 14, so the third cylinder 13 descends until the silicone sheet 15 contacts the fabric. During the high-pressure air blowing process, the silicone sheet 15 can help smooth the fabric, achieving a better smoothing effect.

[0022] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0023] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to the interaction between two elements. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0024] In this application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0025] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simplified modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A fabric flattening and positioning mechanism for a buttonhole machine, comprising a frame and a buttonhole platform disposed on the frame, characterized in that: The four corners of the keyhole platform are provided with vertical columns, a crossbeam is provided on the columns on one side, two vertically downward first cylinders are provided at both ends of the crossbeam, a cross pressure rod is provided at the telescopic end of the first cylinder, a silicone strip is provided at the lower end of the cross pressure rod, horizontal guide rails are provided on the columns at the end of the keyhole platform at both ends of the crossbeam, and a smoothing mechanism is provided on the lower surface of the horizontal guide rail, and the smoothing mechanism is used to flatten the fabric on the keyhole platform; a connecting ear is extended at the end of the keyhole platform opposite to the crossbeam, and a swing arm is connected to the connecting ear through a pin shaft, and the swing arm The upper end of the horizontal guide rail extends to the upper end of the keyhole platform, the lower end of the swing arm extends to the lower end of the keyhole platform, a second cylinder is provided on the lower surface of the keyhole platform, the telescopic end of the second cylinder is connected to the lower end of the swing arm, a cross-pressure rod is provided on the lower surface of the swing arm above the keyhole platform, and a silicone strip is provided on the lower surface of the cross-pressure rod; a first moving beam is slidingly provided at the upper end of the horizontal guide rail, a first motor is provided on the cross beam, a first screw rod is provided at the output end of the first motor, a screw hole is provided on the first moving beam, the first screw rod is matched with the screw hole, and an infrared locator is provided on the lower surface of the first moving beam.

2. The fabric flattening and positioning mechanism for a buttonhole machine according to claim 1, characterized in that: The structure of the smoothing mechanism is as follows: a second movable beam is provided on the lower surface of the horizontal guide rail, a second motor is provided on the crossbeam, a second screw rod is provided at the output end of the second motor, a screw hole is provided on the second movable beam, the second screw rod is matched with the screw hole, a third air cylinder pointing vertically downward is provided at both ends of the second movable beam, a smoothing block is provided at the telescopic end of the third cylinder, the interior of the smoothing block is a hollow cavity, an air outlet inclined downward is provided on the side wall of the smoothing block facing the swing arm, the air outlet is connected to the hollow cavity, an air pipe is provided on the smoothing block, and the air pipe is connected to a high-pressure air source.

3. The fabric flattening and positioning mechanism for a buttonhole machine according to claim 2, characterized in that: A silicone sheet is provided on the side wall of the smoothing block close to the crossbeam, the lower end of the silicone sheet extends to the bottom of the smoothing block, and the lower end edge of the silicone sheet is parallel to the keyhole platform.

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