A fabric edging straightening mechanism of a serging machine

Abstract

The utility model relates to the technical field of overlock machine, concretely is a kind of overlock machine's cloth edge sewing regular mechanism, it mainly includes support base frame, the top end sliding connection of support base frame has U-shaped limiting piece, the side integration of U-shaped limiting piece is connected with arc plate, the bottom end both sides of support base frame are equipped with guide plate, the both sides of U-shaped limiting piece are fixedly connected with inclined slide frame, the both sides of support base frame are connected with the hole guide rail, the top end of hole guide rail is provided with guide wheel.The utility model relates to a kind of overlock machine's cloth edge sewing regular mechanism, by the top end of support base frame being provided with the slidable guide U-shaped limiting piece, the outside setting slidable guide wheel is guided to slide in the inside of inclined slide frame, for the distance between stable control support base frame and U-shaped limiting piece, it is convenient to adapt the edge cloth of different specifications size and carry out adaptive guide regular, improve the uniformity of subsequent edge, ensure product processing quality.

Description

Technical Field

[0001] This utility model relates to the field of overlock sewing machine technology, specifically to a fabric seam straightening mechanism for an overlock sewing machine. Background Technology

[0002] In garment processing and textile production, overlock sewing machines are extremely common equipment, mainly used to prevent fabric edges from fraying (overlocking). Their working principle typically involves the use of a looper and a needle to stitch the fabric edges together.

[0003] Existing fabric edge sealing typically uses a simple guide ruler to guide the edge sealing fabric during use, and to bend and limit its movement during the guiding process. However, the structure of the existing guide ruler is relatively fixed, making it difficult to adjust effectively before and after use. The fabric transmission is only limited by the guide groove. If there is a certain difference between the transmitted edge sealing fabric size and the guide ruler size, uneven seam width can easily occur due to fabric displacement during high-speed sewing, thus affecting product quality. Utility Model Content

[0004] The purpose of this utility model is to provide a fabric edge straightening mechanism for an overlock sewing machine, so as to solve the problem mentioned in the background art that the edge sealing fabric of the overlock sewing machine is difficult to be effectively straightened and adjusted during transmission, which easily leads to uneven edge sealing width and affects product quality.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a fabric edge straightening mechanism for an overlock sewing machine, comprising: a supporting base frame, a U-shaped limiting member slidably connected to the top of the supporting base frame, an arc-shaped plate integrally connected to one side of the U-shaped limiting member, and guide plates installed on both sides of the bottom end of the supporting base frame; further comprising a guide adjustment component and a fitting limiting component: the guide adjustment component includes an inclined sliding frame and a perforated guide rail, the inclined sliding frame is fixedly connected to both sides of the U-shaped limiting member, the perforated guide rail is connected to both sides of the supporting base frame, and a guide wheel is provided at the top of the perforated guide rail; the guide adjustment component is used for adjusting the straightening guide space before the edge sealing fabric is fed; the fitting limiting component includes a butt block, the butt block is disposed at the inner bottom end of the supporting base frame, arc-shaped fitting plates are provided on both sides of the butt block, and a fitting roller is provided at the top of the butt block; the fitting limiting component is used for fitting limiting during edge sealing fabric transmission.

[0006] Preferably, guide slide rods are fixedly connected to both sides of the supporting base frame, and guide connecting plates that are slidably connected to the guide slide rods are fixedly connected to both sides of the U-shaped limiting member.

[0007] Preferably, a sliding block is slidably connected to the top end of the perforated guide rail, and a plug-in positioning plate is slidably connected to the top end of the sliding block. A positioning screw is threadedly connected to the inner side of the plug-in positioning plate.

[0008] Preferably, the inner side of the perforated guide rail is provided with equidistant insertion holes that are adapted to the bottom rod of the insertion positioning plate, and the top wall of the sliding block is provided with screw holes that are adapted to the positioning screw.

[0009] Preferably, the guide wheel is fixedly connected to one side of the sliding block, and the guide wheel is adapted to slide in a sliding connection with the inner groove of the inclined sliding frame.

[0010] Preferably, a fixed connecting plate is fixedly connected to the inner bottom end of the supporting base frame, and a telescopic rod is fixedly installed on the top end of the fixed connecting plate.

[0011] Preferably, the docking block is fixedly installed at the bottom end of the telescopic rod, and elastic connecting rods are fixedly connected to both sides of the docking block, and the arc-shaped bonding plate is slidably connected to the outside of the elastic connecting rods.

[0012] Preferably, a guide column is slidably connected inside the top wall of the docking block, and the fitting roller is fixedly connected to the top of the guide column.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model has a slidable U-shaped limiting member at the top of the supporting base frame, and a slidable guide wheel on the outside that guides the sliding inside the inclined frame. This is used to stably control the distance between the supporting base frame and the U-shaped limiting member, which facilitates the adaptation and guidance of edge sealing fabrics of different specifications and sizes, improves the uniformity of subsequent edge sealing, and ensures the quality of product processing. When the edge sealing fabric is restricted to the frame composed of the supporting base frame and the U-shaped limiting member for transmission, an arc-shaped bonding plate with elastic connection on the inside is set to open to both sides, and then a bonding roller at the top is set to bond to the top wall of the U-shaped limiting member for synchronous limiting, allowing the edge sealing fabric to open, which facilitates subsequent edge sealing processing and further ensures product quality. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the partially separated three-dimensional structure of this utility model; Figure 3 This is a schematic diagram of the partially separated three-dimensional structure of the guide adjustment component of this utility model; Figure 4 This is a schematic diagram of the partial separation three-dimensional structure of the fitting and limiting component of this utility model.

[0015] In the diagram: 1. Supporting base frame; 2. U-shaped limiting component; 3. Guide plate; 4. Fixed connecting plate; 5. Guide slide rod; 6. Arc-shaped plate; 7. Guide connecting plate; 8. Slanted slide frame; 9. Guide rail with holes; 10. Sliding block; 11. Insertion positioning plate; 12. Positioning screw; 13. Guide wheel; 14. Telescopic rod; 15. Connecting block; 16. Elastic connecting rod; 17. Arc-shaped fitting plate; 18. Guide slide column; 19. Fitting roller. Detailed Implementation

[0016] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0017] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0018] like Figure 1 - Figure 4 As shown, this application provides a fabric seam straightening mechanism for an overlock sewing machine, including: a supporting base frame 1, a U-shaped limiting member 2 slidably connected to the top of the supporting base frame 1, an arc plate 6 integrally connected to one side of the U-shaped limiting member 2, the bending of the arc plate 6 facilitating the feeding of fabric, and guide plates 3 installed on both sides of the bottom end of the supporting base frame 1; a guide adjustment assembly including a slanted sliding frame 8 and a perforated guide rail 9, the slanted sliding frame 8 being fixedly connected to both sides of the U-shaped limiting member 2, the perforated guide rail 9 being connected to both sides of the supporting base frame 1, and a guide wheel 13 being provided at the top of the perforated guide rail 9, the guide adjustment assembly being used for adjusting the straightening guide space before the edge sealing fabric is fed; specifically, as shown... Figure 2 As shown, guide slide rods 5 are fixedly connected to both sides of the support base frame 1, and guide connecting plates 7 that are slidably connected to the guide slide rods 5 are fixedly connected to both sides of the U-shaped limiting member 2. The sliding of the guide slide rods 5 on the inner side of the guide connecting plate 7 is used to control the stability of the support base frame 1 and the U-shaped limiting member 2 during relative adjustment and sliding.

[0019] Specifically, such as Figure 3As shown, a sliding block 10 is slidably connected to the top of the perforated guide rail 9, and an insertion positioning plate 11 is slidably connected to the top of the sliding block 10. A positioning screw 12 is threadedly connected to the inner side of the insertion positioning plate 11. The sliding block 10 slides on the top of the perforated guide rail 9, and then the insertion positioning plate 11 is slidably connected to the inner side of the top wall of the sliding block 10. A spring is also fixedly connected between the sliding block 10 and the insertion positioning plate 11 to facilitate elastic connection of the insertion positioning plate 11 after it loses its positioning, so as to prevent the insertion positioning plate 11 from detaching from the sliding block 10. Then, the positioning screw 12 is threadedly connected to the inner side of the insertion positioning plate 11, and the positioning screw 12 and the sliding block 10 can be threadedly connected for positioning.

[0020] Specifically, such as Figure 3 As shown, the inner side of the perforated guide rail 9 has equidistant insertion holes that are adapted to the bottom rod of the insertion positioning plate 11. The insertion holes on the inner side of the perforated guide rail 9 are equidistantly distributed, and a scale is marked on one side of the hole to facilitate the adjustment of the position of the support base frame 1 and the U-shaped limiting member 2. The top wall of the sliding block 10 has a screw hole adapted to the positioning screw 12.

[0021] Specifically, such as Figure 3 As shown, the guide wheel 13 is fixedly connected to one side of the sliding block 10. The guide wheel 13 is adapted to slide in the inner groove of the inclined slide frame 8. The inclined slide frame 8 is inclined. The guide wheel 13 slides inside the inclined slide frame 8, which will drive the inclined slide frame 8 and the U-shaped limiting member 2 to adjust their up and down positions.

[0022] The bonding and limiting component includes a docking block 15, which is located at the inner bottom of the support base frame 1. Arc-shaped bonding plates 17 are provided on both sides of the docking block 15, and a bonding roller 19 is provided at the top of the docking block 15. The bonding and limiting component is used for bonding and limiting during the transmission of the edge sealing fabric.

[0023] Specifically, such as Figure 4 As shown, a fixed connecting plate 4 is fixedly connected to the inner bottom of the support frame 1, and a telescopic rod 14 is fixedly installed on the top of the fixed connecting plate 4. The telescopic rod 14 is used to control the position of the overall fitting and limiting component, so as to expand the feeding space before the fabric is guided and transported.

[0024] Specifically, such as Figure 4 As shown, the docking block 15 is fixedly installed at the bottom end of the telescopic rod 14. Both sides of the docking block 15 are fixedly connected with elastic connecting rods 16. The arc-shaped bonding plate 17 is slidably connected to the outside of the elastic connecting rods 16. The elastic connecting rods 16 and the arc-shaped bonding plate 17 are slidably connected. Springs are fixedly connected to both ends of the inner side of the connection end. Under the action of the elastic internal stress of the spring, the arc-shaped bonding plate 17 is driven to fit against the side wall of the U-shaped limiting member 2 for elastic limiting.

[0025] Specifically, such as Figure 4As shown, a guide slide post 18 is slidably connected inside the top wall of the docking block 15, and a fitting roller 19 is fixedly connected to the top of the guide slide post 18. The guide slide post 18 is slidably connected inside the docking block 15, and a spring is connected to the outside of the guide slide post 18, which is consistent with the sliding structure of the elastic connecting rod 16. This facilitates the fitting roller 19 to fit against the inner top wall of the U-shaped limiting member 2, thus ensuring that the fabric remains stable during the overlocking process.

[0026] In this embodiment: A slidable U-shaped limiting member 2 is provided at the top of the supporting base frame 1, and a slidable guide wheel 13 is provided on the outside to guide and slide on the inside of the inclined sliding frame 8. This is used to stably control the distance between the supporting base frame 1 and the U-shaped limiting member 2, so as to adapt and guide the edge sealing fabric of different specifications and sizes, and improve the uniformity of subsequent edge sealing. When the edge sealing fabric is restricted to the frame composed of the supporting base frame 1 and the U-shaped limiting member 2 for transmission, an arc-shaped bonding plate 17 with elastic connection on the inside is provided to open to both sides, and then a bonding roller 19 is provided at the top to bond to the top wall of the U-shaped limiting member 2 for synchronous limiting, so that the edge sealing fabric can be opened, which is convenient for subsequent edge sealing processing.

[0027] Specifically, this solution works as follows: When the overlock sewing machine is in operation, the width of the fabric used for overlock sewing is selected according to the product requirements. At this time, based on the required seam width, the sliding block 10 is slid at the top of the perforated guide rail 9. Then, the guide wheel 13 on one side of the sliding block 10 guides the sliding within the inclined sliding frame 8. Due to the inclined setting of the inclined sliding frame 8 and the vertical sliding guidance between the guide connecting plate 7 and the guide sliding rod 5, it is convenient to adjust the distance between the supporting base frame 1 and the U-shaped limiting piece 2. The height is selected through the equally spaced holes on the outer side of the perforated guide rail 9, and then... The positioning plate 11 passes through the sliding block 10 and is inserted into the perforated guide rail 9. Then, the positioning screw 12 passes through the insertion positioning plate 11 and is positioned with the sliding block 10, which presses the insertion positioning plate 11 to ensure the stability of the guide structure. Then, the inner side of the fabric is provided with an elastically connected arc-shaped bonding plate 17 that is spread out to both sides. Then, the top is provided with a bonding roller 19 that is bonded to the top wall of the U-shaped limiting member 2 for synchronous limiting, so that the edge sealing fabric can be spread out to ensure that the fabric remains stable during the overlocking process. Then, it is transferred to the processing position through the guide plate 3 to obtain a seam edge with uniform width and neat stitches.

[0028] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary; within the framework of this invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of this invention as described above, which are not provided in the details for the sake of brevity.

[0029] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A fabric seam straightening mechanism for an overlock sewing machine, comprising: The support base frame (1) has a U-shaped limiting member (2) slidably connected to its top end, and an arc plate (6) integrally connected to one side of the U-shaped limiting member (2). Both sides of the bottom end of the support base frame (1) are equipped with guide plates (3). The support base frame (1) is characterized by further including a guide adjustment assembly, which comprises an inclined sliding frame (8) and a perforated guide rail (9). The inclined sliding frame (8) is fixedly connected to both sides of the U-shaped limiting member (2), and the perforated guide rail (9) is connected to both sides of the support base frame (1). On the side, the top of the perforated guide rail (9) is provided with a guide wheel (13), and the guide adjustment component is used for the regular guide space adjustment before the edge sealing fabric is fed; the bonding limiting component includes a docking block (15), the docking block (15) is provided on the inner bottom of the support base frame (1), the two sides of the docking block (15) are provided with arc-shaped bonding plates (17), and the top of the docking block (15) is provided with a bonding roller (19). The bonding limiting component is used for bonding limiting during the transmission of the edge sealing fabric.

2. The fabric seam straightening mechanism of an overlock sewing machine according to claim 1, characterized in that, The support base frame (1) is fixedly connected to guide slide rods (5) on both sides, and the U-shaped limiting member (2) is fixedly connected to guide connecting plates (7) that are slidably connected to the guide slide rods (5) on both sides.

3. The fabric seam straightening mechanism of an overlock sewing machine according to claim 1, characterized in that, The top end of the perforated guide rail (9) is slidably connected to a sliding block (10), the top end of the sliding block (10) is slidably connected to a plug-in positioning plate (11), and the inner side of the plug-in positioning plate (11) is threadedly connected to a positioning screw (12).

4. The fabric seam straightening mechanism of an overlock sewing machine according to claim 3, characterized in that, The inner side of the perforated guide rail (9) is equidistantly distributed with insertion holes that are adapted to the bottom rod of the insertion positioning plate (11), and the top wall of the sliding block (10) is provided with a screw hole that is adapted to the positioning screw (12).

5. The fabric seam straightening mechanism of an overlock sewing machine according to claim 3, characterized in that, The guide wheel (13) is fixedly connected to one side of the sliding block (10), and the guide wheel (13) is adapted to slide in the inner groove of the inclined sliding frame (8).

6. The fabric seam straightening mechanism of an overlock sewing machine according to claim 1, characterized in that, A fixed connecting plate (4) is fixedly connected to the bottom inner side of the supporting base frame (1), and a telescopic rod (14) is fixedly installed on the top of the fixed connecting plate (4).

7. The fabric seam straightening mechanism of an overlock sewing machine according to claim 6, characterized in that, The docking block (15) is fixedly installed at the bottom of the telescopic rod (14). Both sides of the docking block (15) are fixedly connected with elastic connecting rods (16). The arc-shaped bonding plate (17) is slidably connected to the outside of the elastic connecting rods (16).

8. The fabric seam straightening mechanism of an overlock sewing machine according to claim 7, characterized in that, The top wall of the docking block (15) is slidably connected to a guide column (18), and the fitting roller (19) is fixedly connected to the top of the guide column (18).

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