An automatic pleating presser with high pleating efficiency

Abstract

The application discloses a high-efficiency automatic pleating presser foot device, which comprises a presser foot assembly, a pleating assembly and a presser foot. The presser foot assembly comprises a body and a presser foot installed at the bottom of the body, and the body is installed with a presser foot rod on a sewing machine assembly. The pleating assembly comprises a baffle and a pushing piece, the baffle is located at the movement track of a needle rod on the sewing machine assembly, the pushing piece is connected with the baffle and is arranged towards the running direction of the cloth. The sewing machine needle rod moves up and down, when the needle rod moves down, the baffle drives the bottom pushing piece to stretch backward, when the needle rod moves up, the baffle resets, and the cloth is pushed towards the presser foot. The operation is convenient, the operator does not need additional auxiliary tools, only needs to press the conventional normal sewing, the high-efficiency automatic pleating presser foot device can quickly and conveniently sew the desired pleating effect, the high-efficiency automatic pleating presser foot device has the advantages of quick convenience, accuracy of pleating amount and convenient debugging and installation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of clothing processing, in particular to an automatic pleating presser foot with high pleating efficiency. BACKGROUND

[0002] Clothing refers to clothes, shoes and accessories, and is mainly clothes. According to the definition of clothing in the national standard, clothing is a product that is sewn and worn on the human body to protect and decorate, also known as clothes. Clothing has appeared in the early stage of the development of human society, and the ancients made some materials into crude "clothes" and wore them on their bodies. The first clothes of human beings were mostly made of animal skins, and the earliest "fabric" was made of hemp and grass fibers. To society, clothing is a life necessity for covering and decorating, not only for wearing, but also for identity, life attitude and personal charm. In order to improve the beauty of clothing, various designs are usually made on clothing, so the pleating design of clothing is increasing, such as pleating of shirt cuffs, pleating of shirt collars and pleating of skirts.

[0003] Most of the pleating methods in the prior art are completed by hand, which has low efficiency, high manufacturing cost, large operation difficulty, uneven pleating amount and poor appearance, and has certain limitations for the design requirements of clothing. Some templates are used to make on the market, which is slightly simpler and more convenient than hand operation, but when dozens of pleats appear on a piece of clothing, the time for arranging and kneading on the template is quite time-consuming, and the production efficiency is not high. SUMMARY

[0004] The main purpose of the present application is to provide an automatic pleating presser foot with high pleating efficiency, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the technical scheme adopted by the present application is as follows: an automatic pleating presser foot with high pleating efficiency, comprising:

[0006] A presser foot assembly, the presser foot assembly comprises a body and a presser foot installed at the bottom of the body, and the body is installed with a presser bar on a sewing machine assembly;

[0007] A pleating assembly, the pleating assembly comprises a baffle and a pushing piece rotatably connected with the body, the baffle is located at the movement track of the needle bar on the sewing machine assembly, the pushing piece is connected with the baffle and is arranged towards the running direction of the cloth.

[0008] Preferably, the baffle is rotatably connected with the body through a connecting shaft, and a torsional spring is installed between the end of the connecting shaft and the body.

[0009] Preferably, a toucher is installed on the needle bar of the sewing machine assembly.

[0010] Preferably, the side of the touch closer to the baffle is arc-shaped, and the side of the baffle closer to the touch is arc-shaped.

[0011] Preferably, the side of the baffle closer to the touch is concave arc-shaped, and the side of the baffle below the concave arc-shaped is convex arc-shaped.

[0012] Preferably, the pusher is arc-shaped, and the front end of the pusher is sawtooth-shaped.

[0013] Preferably, the front end of the pusher is provided with a U-shaped groove corresponding to the position of the needle bar of the sewing machine assembly.

[0014] Preferably, the pusher is an elastic sheet structure, and the pusher is detachably connected with the baffle through a screw.

[0015] Preferably, the body is installed on the presser bar of the sewing machine assembly through the mounting hole, and the body is locked with the presser bar through a locking bolt.

[0016] Preferably, locking clamps are arranged on both sides of the mounting hole, the middle part of the locking clamp is rotationally connected with the inner cavity of the body through a rotating shaft, the front end of the locking bolt is circular truncated cone-shaped, and a top block is slidably connected with the front end of the locking bolt on both sides, and the outer side of the top block is in contact with the bottom of the locking clamp.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] 1. The automatic pleating presser foot has high pleating efficiency, and the needle bar of the sewing machine moves up and down, when the needle bar moves down, the baffle located on the movement track of the needle bar is pushed outward, the baffle drives the pusher at the bottom to stretch backward, when the needle bar moves up, the baffle resets and drives the pusher at the bottom to move towards the needle bar, and pushes the cloth towards the presser foot, so as to achieve the purpose of folding the cloth, and then the needle bar sews the folded cloth, the presser foot pushes once for every stitch, so as to achieve the automatic pleating effect, the operation is convenient, the operator does not need additional tools, only needs to sew normally, the automatic pleating presser foot can quickly and conveniently sew the desired pleating effect, and the automatic pleating presser foot has the advantages of quick and convenient pleating, accurate pleating amount, and convenient debugging and installation.

[0019] 2. The automatic pleating presser foot has high pleating efficiency, the torsion spring drives the connecting shaft to rotate, the baffle connected with the connecting shaft continuously receives the deflection force and continuously moves towards the needle bar, and the baffle drives the pusher at the bottom to push and pleat the cloth.

[0020] 3. The automatic pleating presser foot device has high pleating efficiency, the tail end of the needle bar of the sewing machine is provided with a toucher, the needle bar moves up and down during operation, so that the toucher hits the blocking piece on one side, the blocking piece drives the pushing piece to stretch backward, when the needle bar moves up, the pushing piece pushes the cloth forward, and the automatic pleating sewing is realized with the operation of the sewing machine.

[0021] 4. The automatic pleating presser foot device has high pleating efficiency, the presser bar on the sewing machine assembly is inserted into the mounting hole in the body for installation, and the mounting hole can be provided in a square structure, so as to facilitate stable connection with the presser bar, when the presser bar is inserted into the mounting hole, the locking bolt is screwed into the body through the thread, and the front end of the locking bolt is locked with the presser bar, while rotating the locking bolt, the front end of the locking bolt pushes the top blocks on both sides to move to both sides, the moving top blocks push the bottom of the locking clamping plate, since the middle part of the locking clamping plate is rotationally connected with the inner cavity of the body through the rotating shaft, the top part of the locking clamping plate is clamped to the inner side, and the outer side of the presser bar inserted into the mounting hole is clamped and locked, further clamping and locking the two sides of the presser bar, limiting the swing of the body and the presser bar, and providing stability of the connection. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic view of the overall structure after installation of the application;

[0023] Figure 2 It is a schematic view of the blocking piece and the pushing piece structure of the application;

[0024] Figure 3 It is a schematic view of the connecting shaft and the torsional spring structure of the application;

[0025] Figure 4 It is a schematic view of the pushing piece structure of the application;

[0026] Figure 5 It is a schematic view of the cloth pleating of the application;

[0027] Figure 6 It is a schematic view of the body part structure of the application;

[0028] Figure 7 It is a schematic view of the locking clamping plate and the top plate structure of the application.

[0029] In the figure: 1, presser bar; 2, needle bar; 3, body; 4, toucher; 5, blocking piece; 6, connecting shaft; 7, pushing piece; 8, screw; 9, torsional spring; 10, U-shaped groove; 11, presser foot; 12, pleat; 13, locking bolt; 14, mounting hole; 15, locking clamping plate; 16, top block; 17, rotating shaft. DETAILED DESCRIPTION

[0030] Clearly, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0031] In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the 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 particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0032] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be connected through an intermediate medium, it can be the communication between the two elements inside. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] Embodiment 1, see Figures 1-4 As shown in the figure, an automatic pleating presser foot device with high pleating efficiency comprises:

[0034] The presser foot assembly comprises a body 3 and a presser foot 11 mounted at the bottom of the body 3, and the body 3 is mounted on the presser bar 1 of the sewing machine assembly;

[0035] By mounting the body 3 of the device on the presser bar 1 of the sewing machine assembly, it is convenient to install and replace on the sewing machine in the prior art, the presser foot 11 at the bottom of the body plays a pressing role on the cloth, which is convenient for sewing and use.

[0036] The pleating assembly comprises a baffle 5 rotatably connected with the body 3 and a pushing piece 7, the baffle 5 is located at the movement track of the needle bar 2 of the sewing machine assembly, the pushing piece 7 is connected with the baffle 5 and is arranged towards the running direction of the cloth.

[0037] The sewing machine needle bar 2 moves up and down, and when the needle bar moves down, the baffle 5 located on the movement track of the needle bar is pushed outward, the baffle drives the bottom push piece 7 to stretch backward, when the needle bar moves up, the baffle resets and drives the bottom push piece to move towards the needle bar, and pushes the fabric towards the presser foot, realizing the purpose of folding the fabric, and then the needle bar moves down to sew the folded fabric, the presser foot pushes once for every stitch, achieving the effect of automatic pleating, realizing the effect of Figure 5 The effect of making pleats improves production efficiency and production quality.

[0038] Convenient operation, the operator does not need additional tools, just press the normal sewing, the automatic pleating presser foot with high pleating efficiency can quickly and conveniently sew the desired pleating effect, the automatic pleating presser foot with high pleating efficiency is fast and convenient, the pleating amount is accurate, and the installation is convenient.

[0039] When the size of the pleat needs to be adjusted, the baffle is pushed by rotating the adjusting screw, and the included angle between the baffle and the connecting plate is adjusted, so that the position of the front end of the push piece connected with the connecting plate is adjusted, the size of the pleat pushed by the push piece each time is adjusted, and the position of the front end of the adjusting screw is accurately adjusted through the adjusting scale, and the adjustment is more convenient and accurate.

[0040] Referring to Figures 2-3 In this embodiment, the baffle 5 is rotatably connected with the body 3 through the connecting shaft 6, and a torsional spring 9 is installed between the end of the connecting shaft 6 and the body 3.

[0041] By setting the torsional spring, the connecting shaft can be rotated, and the baffle connected with the connecting shaft is continuously subjected to the action of the deflection force and continuously moves towards the needle bar, so that the baffle drives the bottom push piece to push the fabric to make pleats.

[0042] The baffle is provided with an adjusting screw away from the needle bar of the sewing machine assembly, the adjusting screw is threadedly connected with the connecting plate, the connecting plate is provided with an adjusting scale near the adjusting screw, and the adjusting scale is arranged along the axial direction of the adjusting screw.

[0043] In order to realize the purpose that the baffle can be smoothly pushed to periodically swing during the up and down movement of the needle bar of the sewing machine assembly, the following embodiments are given to solve the above technical problems:

[0044] Embodiment 2, referring to Figures 1-2As shown in the embodiment, the presser foot assembly comprises a body 3 mounted with a presser foot 11 at the bottom of the body 3, and the body 3 is mounted with a presser bar 1 on the sewing machine assembly; the pleating assembly comprises a baffle 5 rotatably connected with the body 3 and a pushing piece 7 connected with the baffle 5 and arranged towards the running direction of the cloth. The difference lies in that the needle bar 2 on the sewing machine assembly is mounted with a toucher 4, the side of the toucher 4 close to the baffle 5 is in an arc structure, the side of the baffle 5 close to the toucher 4 is in an arc side, the side of the baffle 5 close to the toucher 4 is in a concave arc surface, and the side below the concave arc surface of the baffle 5 is in a convex arc surface.

[0045] The toucher mounted at the tail end of the needle bar of the sewing machine moves up and down when the needle bar of the sewing machine works, so that the toucher hits the baffle on one side, the baffle drives the pushing piece to stretch backward, when the needle bar of the sewing machine moves up, the pushing piece pushes the cloth forward, with the running of the sewing machine, the purpose of automatic pleating sewing is achieved, and through the concave arc surface of the side of the baffle 5 close to the toucher 4 and the convex arc surface of the side below the concave arc surface of the baffle 5, the side of the baffle close to the toucher is in a smooth arc surface, when the toucher contacts the baffle, the toucher can smoothly slide on the side of the baffle, when the toucher slides to the convex arc surface of the baffle, the baffle is pushed to move outward, when the toucher slides to the concave arc surface of the baffle, the baffle resets and drives the pushing piece 7 at the bottom to push the cloth.

[0046] Referring to Figures 2-4 As shown in the embodiment, the pushing piece 7 is in an arc structure, the front end of the pushing piece 7 is in a sawtooth structure, the front end of the pushing piece 7 is provided with a U-shaped groove 10 at the corresponding position of the needle bar 2 on the sewing machine assembly, the pushing piece 7 is in an elastic sheet structure, and the pushing piece 7 is detachably connected with the baffle 5 through a screw 8.

[0047] Through the arc structure of the pushing piece 7, the pushing piece 7 is convenient to closely adhere to the cloth and push and fold the cloth, the pushing piece can be made of an iron sheet with a thickness of 0.5 mm, the iron sheet has toughness and can be bent by 45°, the front end of the pushing piece is in a sawtooth structure, which can prevent slipping when the pushing piece pushes the cloth, the front end of the pushing piece and the contact point of the needle are designed in a U-shaped structure, which can make the needle pass through the hollow of the iron sheet to sew the cloth when the pushing piece pushes the cloth, so that the sewing of the needle bar on the sewing machine assembly and the pushing and pleating of the pushing piece are cooperatively processed, the pushing piece 7 is detachably connected with the baffle 5 through the screw 8, the pushing piece can be quickly replaced through the screw in the case of wear and tear, and different width and length of the pushing piece can be replaced according to the size of the pleating of the cloth, so as to meet different production requirements.

[0048] Since the presser bar 1 on the sewing machine assembly always moves up and down during use, when connected with the body on the presser bar assembly, only the connection part is locked by the locking bolt, it is difficult to maintain the stability of the two, and the connection is not stable enough, and the connection will be loose after long time use, affecting the processing quality.

[0049] Embodiment 3, refer to the presser bar assembly shown in Figs. Figure 1 、 6 The presser bar assembly includes a body 3 and a presser 11 installed at the bottom of the body 3, and the body 3 is installed on the presser bar 1 of the sewing machine assembly; the pleating assembly includes a baffle 5 rotationally connected with the body 3 and a push piece 7 connected with the baffle 5 and arranged towards the running direction of the cloth. The difference lies in that the body 3 is installed on the presser bar 1 of the sewing machine assembly through the mounting hole 14, and the body 3 is locked with the presser bar 1 through the locking bolt 13, and the locking clamping plates 15 are arranged on both sides of the mounting hole 14, the middle part of the locking clamping plate 15 is rotationally connected with the inner cavity of the body 3 through the rotating shaft 17, the front end of the locking bolt 13 is in the shape of a circular truncated cone, and the top blocks 16 are slidingly connected with the front end of the locking bolt 13 towards both sides, and the outer side of the top block 16 is in contact with the bottom of the locking clamping plate 15.

[0050] The presser bar 1 on the sewing machine assembly is inserted into the mounting hole on the body 3 for installation, and the mounting hole can be arranged in the shape of a square to facilitate stable connection with the presser bar, when the presser bar is inserted into the mounting hole, the locking bolt is screwed into the body through the thread, and the front end of the locking bolt is locked with the presser bar, while rotating the locking bolt, the front end of the locking bolt in the shape of a circular truncated cone pushes the top blocks on both sides to move towards both sides, the moving top blocks push the bottom of the locking clamping plate, since the middle part of the locking clamping plate 15 is rotationally connected with the inner cavity of the body 3 through the rotating shaft 17, the top of the locking clamping plate is clamped to the inner side, and the outer side of the presser bar inserted into the mounting hole is clamped and locked, further clamping and locking the two sides of the presser bar, limiting the swing of the body and the presser bar, and providing stability of the connection.

[0051] As can be seen from the above, the automatic pleating presser bar provided by the present application has high pleating efficiency, the needle bar 2 of the sewing machine moves up and down, when the needle bar moves down, the baffle 5 located on the movement track of the needle bar is pushed outwards, the baffle pulls the push piece 7 at the bottom rearward, when the needle bar moves up, the baffle resets and pulls the push piece at the bottom towards the needle bar, and pushes the cloth towards the presser, achieving the purpose of folding the cloth, then the needle bar moves down to sew the folded cloth, the presser pushes once for every stitch, achieving the automatic pleating effect.

[0052] Certain exemplary embodiments of the present application have been described above by way of illustration, and it is to be understood that certain modifications can be made without departing from the spirit and scope of the application as set forth in the claims. Accordingly, the above description and drawings are to be construed in an illustrative, and not a restrictive, sense.

Claims

1. An automatic pleating presser foot with high pleating efficiency, characterized in that: It includes: The presser foot assembly includes a body (3) and a presser foot (11) mounted on the bottom of the body (3), the body (3) being mounted to the presser foot bar (1) on the sewing machine assembly; The pleating assembly includes a baffle (5) rotatably connected to the body (3) and a pusher (7). The baffle (5) is located at the movement trajectory of the needle bar (2) on the sewing machine assembly. The pusher (7) is connected to the baffle (5) and is set in the direction of the fabric movement. The baffle (5) is rotatably connected to the body (3) via the connecting shaft (6), and a torsion spring (9) is installed between the end of the connecting shaft (6) and the body (3). A contactor (4) is installed on the needle bar (2) of the sewing machine assembly; The side of the toucher (4) near the baffle (5) is an arc-shaped structure, and the side of the baffle (5) near the toucher (4) is an arc-shaped side. The side of the baffle (5) closest to the toucher (4) is a concave arc surface, and the side of the baffle (5) below the concave arc surface is a convex arc surface; The pusher (7) has an arc-shaped structure, and the front end of the pusher (7) has a serrated structure; A U-shaped groove (10) is provided at the front end of the pusher (7) and at the corresponding position of the needle bar (2) on the sewing machine assembly; The push plate (7) is an elastic sheet structure, and the push plate (7) is detachably connected to the baffle (5) by screws (8).

2. The automatic pleating presser foot with high pleating efficiency according to claim 1, characterized in that: The main body (3) is mounted to the presser foot bar (1) on the sewing machine assembly through the mounting hole (14), and the main body (3) and the presser foot bar (1) are locked together by the locking bolt (13).

3. The automatic pleating presser foot with high pleating efficiency according to claim 2, characterized in that: Locking plates (15) are provided on both sides of the mounting hole (14). The middle part of the locking plates (15) is rotatably connected to the inner cavity of the body (3) through the rotating shaft (17). The front end of the locking bolt (13) is a frustum structure, and a top block (16) is slidably connected to both sides of the front end of the locking bolt (13). The outer side of the top block (16) is in contact with the bottom of the locking plate (15).

Images