Edge covering and feeding device for sewing machine

Abstract

The utility model relates to the technical field of hemming and feeding, and provides a hemming and feeding device for a sewing machine, which comprises a sewing plate, two mounting frames, a mounting component, a sliding frame, a limiting component, a cloth conveying component, a pressing block I and an extension component, the two mounting frames are respectively mounted in two mounting grooves of the sewing plate in a sliding manner, and through grooves are formed in the top ends of the mounting frames; the installation assembly is arranged on the sewing plate and fixed to the sewing plate, the two sliding frames are installed on through grooves of the two installation frames in a sliding mode respectively, the two limiting assemblies are arranged on the two installation frames respectively, the two cloth conveying assemblies are arranged on the two sliding frames respectively, the two first pressing blocks are arranged on the two cloth conveying assemblies respectively, and the two second pressing blocks are arranged on the two first pressing blocks respectively. The two extension assemblies are arranged on the two first material pressing blocks correspondingly. By means of the technical scheme, the problems that in the prior art, when edge covering is conducted on cloth, the cloth needs to be pushed manually, labor is wasted, and certain danger exists are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of edge covering feeding, and particularly relates to an edge covering feeding device for sewing machine. BACKGROUND

[0002] The sewing machine is a kind of equipment that is used for sewing together cloth or other flexible materials by mechanical, electric or electronic device, which greatly improves sewing efficiency, and is also used when edge covering is carried out on cloth, and the edge covering strip is covered on the edge of cloth by sewing machine and is sewn, which can play the role of protecting the edge of cloth and preventing thread from coming off.

[0003] When the sewing machine is used to carry out edge covering on cloth, the edge covering strip is usually attached to the cloth, and then the cloth is pressed by hand by sewing personnel, and then is pushed forward to carry out sewing, so that the cloth needs to be manually pressed during sewing and edge covering, which is laborious and dangerous. UTILITY MODEL CONTENTS

[0004] The utility model provides an edge covering feeding device for sewing machine, which solves the problem that manual pushing of cloth is needed during edge covering in the prior art, which is laborious and dangerous.

[0005] The technical scheme of the utility model is as follows:

[0006] An edge covering feeding device for sewing machine, comprising a sewing plate, two installation grooves are formed in the sewing plate, and further comprising: a mounting frame, an installation assembly, a sliding frame, a limiting assembly, a cloth conveying assembly, a pressing block one and an extension assembly, the mounting frame is provided with two, the two mounting frames are respectively slidably installed in the two installation grooves of the sewing plate, and a through groove is formed in the top end of the mounting frame, the installation assembly is arranged on the sewing plate and is used for mounting the two mounting frames to fix them on the sewing plate, the sliding frame is provided with two, the two sliding frames are respectively slidably installed on the through grooves of the two mounting frames, the limiting assembly is provided with two, the two limiting assemblies are respectively arranged on the two mounting frames and are used for limiting the sliding frame on the mounting frame, the cloth conveying assembly is provided with two, the two cloth conveying assemblies are respectively arranged on the two sliding frames and are used for conveying cloth, the pressing block one is provided with two, the two pressing blocks one are respectively arranged on the two cloth conveying assemblies, and the extension assembly is provided with two, the two extension assemblies are respectively arranged on the two pressing blocks one.

[0007] Further, the mounting assembly comprises a mounting plate and a bolt one, the mounting plate is fixedly installed on the sewing plate, and screw holes are formed in the side surface of the mounting plate; screw holes are formed in the side surface of the mounting frame, and the bolt one is matched with the screw holes.

[0008] Further, the limiting assembly comprises a limiting rod and an inserting frame, a plurality of limiting holes are formed in the side surfaces of the sliding frame and the mounting frame, the limiting rod is detachably installed in the limiting holes, a inserting hole is formed in the side surface of the mounting frame, and the inserting frame is fixedly installed on the side surface of the limiting rod and matched with the inserting hole.

[0009] Further, the cloth conveying assembly comprises a supporting cover, a reciprocating lead screw and a rotating wheel, the supporting cover is fixedly installed at the bottom end of the sliding frame, the reciprocating lead screw is rotatably installed in the supporting cover, the pressing block one is screw-connected to the reciprocating lead screw, and the rotating wheel is fixedly installed on the side surface of the reciprocating lead screw.

[0010] Still further, the extension assembly comprises a moving rod, a pulling frame, a pressing block two and a bolt two, a through groove is formed in the pressing block one, a plurality of screw holes and sliding grooves are formed in the two outer sides and the two inner sides of the pressing block one, respectively, two moving rods are arranged, the two moving rods are slidingly installed in the sliding grooves of the pressing block two, respectively, screw holes are formed in the side surfaces of the moving rods, the pulling frame is fixedly installed at the top ends of the two moving rods, the pressing block two is fixedly installed on the side surfaces of the two moving rods, and the bolt two is matched with the screw holes.

[0011] Still further, the side surfaces of the two mounting plates are fixedly installed with handles.

[0012] The working principle and beneficial effects of the utility model are as follows:

[0013] 1. In the utility model, when the cloth is edge covered, the mounting frame can be slidingly installed into the mounting groove of the sewing plate first, then the mounting frame is fixed on the sewing plate through the mounting assembly, then the cloth and the edge covering strip are placed on the sewing plate, then the position of the sliding frame on the mounting frame is moved, and the pressing block one is used for pressing and fixing the cloth and the edge covering strip, so that manual pressing by hand is avoided.

[0014] 2. In the utility model, after pressing, the cloth and the edge covering strip can be moved forward through the cloth conveying assembly, so that the edge of the cloth is pushed to be edge covered, manual pushing in advance is avoided, the danger is reduced, and different sizes of the cloth can be pressed through the extension assembly according to the size of the cloth.

[0015] In conclusion, the device can press the cloth and the binding strip on the sewing plate and push it forward to avoid manual contact and movement and reduce the risk by the cooperation between the sewing plate, the mounting frame, the mounting assembly, the sliding frame, the limiting assembly, the cloth conveying assembly, the pressing block one and the extension assembly. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further explained in detail below in combination with the drawings and specific embodiments.

[0017] Figure 1 It is the whole structure schematic view of the utility model;

[0018] Figure 2 It is the structure schematic view of the utility model sewing plate and mounting assembly cooperation;

[0019] Figure 3 It is the structure schematic view of the utility model mounting frame, sliding frame and limiting assembly cooperation;

[0020] Figure 4 It is the structure schematic view of the utility model cloth conveying assembly decomposition;

[0021] Figure 5 It is the structure schematic view of the utility model pressing block one and extension assembly cooperation.

[0022] In the drawing: 1, sewing plate; 2, mounting frame; 3, sliding frame; 4, pressing block one; 5, handle; 101, mounting plate; 102, bolt one; 201, limiting rod; 202, insert frame; 301, support cover; 302, reciprocating screw; 303, rotating wheel; 401, moving rod; 402, pulling frame; 403, pressing block two; 404, bolt two. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are involved in the scope of the utility model protection.

[0024] As Figures 1-2As shown, this embodiment proposes a hemming feeding device for a sewing machine, including a sewing plate 1, a mounting frame 2, a mounting assembly, a sliding frame 3, a limiting assembly, a cloth feeding assembly, a pressing block 4 and an extension assembly. Two mounting grooves are provided on the sewing plate 1, and two mounting frames 2 are provided. The two mounting frames 2 are respectively slidably installed in the two mounting grooves of the sewing plate 1, and a through groove is provided at the top of the mounting frame 2. The mounting assembly is provided on the sewing plate 1 for installing the two mounting frames 2 so that they are fixed on the sewing plate 1. Two sliding frames 3 are provided. The two sliding frames 3 are respectively slidably installed on the through grooves of the two mounting frames 2. Two limiting assemblies are provided, and the two limiting assemblies are respectively provided on the two mounting frames 2. It is used to limit the sliding frame 3 on the mounting frame 2, and there are two cloth conveying components, which are respectively arranged on the two sliding frames 3 for conveying cloth. There are two pressing blocks 4, which are respectively arranged on the two cloth conveying components. There are two extension components, which are respectively arranged on the two pressing blocks 4. Specifically, when the cloth is hemmed, the mounting frame 2 can be fixed on the sewing plate 1 through the mounting component, and then the sliding frame 3 is moved to the position of the mounting frame 2 to drive the pressing block 4 to contact the cloth, and then the sliding frame 3 is fixed by the limiting component, and then the cloth is pushed forward by the cloth conveying component, so as to hem the cloth.

[0025] In this embodiment, reference Figure 2 The mounting assembly includes a mounting plate 101 and a bolt 102. The mounting plate 101 is fixedly mounted on the sewing board 1, and a threaded hole is provided on the side of the mounting plate 101, and a threaded hole is provided on the side of the mounting frame 2. The bolt 102 is adapted to the threaded hole. Specifically, because the sides of the two mounting plates 101 are fixedly mounted with handles 5, the handles 5 can be pulled to slide the bottom end of the mounting frame 2 into the mounting groove of the sewing board 1, and then the bolt 102 is threaded into the threaded holes of the mounting frame 2 and the mounting plate 101, thereby fixing the mounting frame 2 on the sewing board 1.

[0026] In this embodiment, reference Figure 3 The limiting assembly includes a limiting rod 201 and an inserting rack 202. Several limiting holes are provided on the sides of the sliding rack 3 and the mounting rack 2. The limiting rod 201 can be detachably installed in the limiting hole, and a plugging hole is provided on the side of the mounting rack 2. The plugging rack 202 is fixedly installed on the side of the limiting rod 201, and the side of the plugging rack 202 is adapted to the plugging hole. Specifically, according to the thickness of the fabric, the sliding rack 3 can be moved to the position of the mounting rack 2 so that the pressing block 4 contacts the fabric, and then the limiting rod 201 is inserted into the limiting holes corresponding to the mounting rack 2 and the sliding rack 3, thereby fixing the sliding rack 3 on the mounting rack 2, and the side of the plugging rack 202 can be inserted into the plugging hole of the mounting rack 2, so that the limiting hole is stationary on the mounting rack 2 and the sliding rack 3.

[0027] In this embodiment, referring to Figure 4 , the cloth conveying assembly comprises a supporting cover 301, a reciprocating screw rod 302 and a rotating wheel 303, the supporting cover 301 is fixedly installed at the bottom end of the sliding frame 3, the reciprocating screw rod 302 is rotatably installed in the supporting cover 301, and the pressing block one 4 is threadedly connected to the reciprocating screw rod 302, and the rotating wheel 303 is fixedly installed at the side of the reciprocating screw rod 302. Specifically, the rotating wheel 303 can be manually rotated to drive the reciprocating screw rod 302 to rotate in the supporting cover 301, and then drive the pressing block one 4 to move on the reciprocating screw rod 302, so as to drive the cloth to move forward.

[0028] In this embodiment, referring to Figure 5 , the extension assembly comprises a moving rod 401, a pulling frame 402, a pressing block two 403 and a bolt two 404, the pressing block one 4 is provided with a through slot, and the two outer sides and the two inner sides of the pressing block one 4 are respectively provided with a plurality of threaded holes and sliding grooves, the moving rod 401 is provided with two, the two moving rods 401 are respectively slidably installed in the sliding grooves of the pressing block two 403, the side surface of the moving rod 401 is provided with a threaded hole, the pulling frame 402 is fixedly installed at the top end of the two moving rods 401, the pressing block two 403 is fixedly installed at the side surface of the two moving rods 401, and the bolt two 404 is matched with the threaded hole. Specifically, when the cloth is long, the pulling frame 402 can be moved to drive the moving rod 401 to slide in the sliding groove of the pressing block one 4, so as to drive the pressing block two 403 to move forward. After the movement is completed, the bolt two 404 can be threadedly connected into the threaded hole of the moving rod 401, and at the same time, it is threadedly connected into the corresponding threaded hole in the side surface of the pressing block one 4, so as to be fixed.

[0029] In this embodiment, during sewing, first, the mounting frame 2 can be slidably mounted into the mounting groove of the sewing plate 1, then the bolt 102 is screwed into the threaded hole of the mounting plate 101 and the mounting frame 2, and the sewing machine can be mounted on the sewing plate 1, and the needle bar of the sewing machine is located between the two mounting frames 2, then the cloth and the binding are placed between the two mounting frames 2 and on the sewing plate 1, after the placement is completed, the sliding frame 3 is moved to slide on the mounting frame 2 and is moved to the pressing block one 4 which can contact and press the cloth and the binding strip, then the limiting rod 201 is inserted into the limiting hole corresponding to the mounting frame 2 and the sliding frame 3, so as to fix the sliding frame 3 on the mounting frame 2, and the cloth and the binding strip are pressed on the sewing plate 1, then the rotating handle 303 can be manually rotated to drive the reciprocating lead screw 302 to rotate in the supporting cover 301, then the pressing block one 4 is moved on the reciprocating lead screw 302, so as to drive the cloth to move forward, when the rotating handle 303 is rotated, manual pushing of the cloth to move forward is avoided, when the rotating handle 303 is rotated, the needle bar of the sewing machine is far away, which is safer, and when the cloth is long or short, the moving rod 401 can be slid in the sliding groove of the pressing block one 4 by moving the pulling frame 402, so as to drive the pressing block two 403 to move forward to press the cloth of different lengths, then the bolt two 404 is screwed into the threaded hole of the moving rod 401 and is screwed into the corresponding threaded hole in the side of the pressing block one 4 at the same time, so as to be fixed, it should be pointed out that the bottom ends of the pressing block one 4 and the pressing block two 403 are located at the same horizontal position.

[0030] It should be pointed out that the inner side of the supporting cover 301 is provided with a sliding groove, and the pressing block one 4 is slidably mounted in the sliding groove of the supporting cover 301, so that when the pressing block one 4 slides forward and backward on the reciprocating lead screw 302, it can be limited left and right.

[0031] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A cover-feeding device for a sewing machine comprising a sewing plate (1), characterized in that, Two installation grooves are formed in the sewing plate (1), and the sewing plate (1) further comprises: two mounting racks (2), a mounting assembly, two sliding racks (3), two limiting assemblies, two cloth conveying assemblies, two pressing blocks (4) and two extension assemblies, the two mounting racks (2) are slidingly installed in the two installation grooves of the sewing plate (1) respectively, and a through groove is formed in the top end of each mounting rack (2); the mounting assembly is arranged on the sewing plate (1) and used for mounting the two mounting racks (2) to fix the mounting racks (2) on the sewing plate (1); the two sliding racks (3) are slidingly installed on the through grooves of the two mounting racks (2) respectively; the two limiting assemblies are arranged on the two mounting racks (2) respectively and used for limiting the two sliding racks (3) on the two mounting racks (2); the two cloth conveying assemblies are arranged on the two sliding racks (3) respectively and used for conveying cloth; the two pressing blocks (4) are arranged on the two cloth conveying assemblies respectively; and the two extension assemblies are arranged on the two pressing blocks (4) respectively.

2. The overcasting feed device for a sewing machine according to claim 1, characterized by The mounting assembly comprises: a mounting plate (101) and a bolt (102), the mounting plate (101) is fixedly installed on the sewing plate (1), the side surface of the mounting plate (101) is provided with a threaded hole, the side surface of the mounting rack (2) is provided with a threaded hole, and the bolt (102) is matched with the threaded holes.

3. The serger thread delivery device of claim 2, wherein: The limiting assembly comprises: a limiting rod (201) and a plug rack (202), a plurality of limiting holes are formed in the side surfaces of the sliding rack (3) and the mounting rack (2), the limiting rod (201) is detachably installed in the limiting holes, the side surface of the mounting rack (2) is provided with a plug hole, and the plug rack (202) is fixedly installed on the side surface of the limiting rod (201) and matched with the plug hole.

4. The serger thread delivery device of claim 3, wherein: The cloth conveying assembly comprises: a supporting cover (301), a reciprocating lead screw (302) and a rotating wheel (303), the supporting cover (301) is fixedly installed at the bottom end of the sliding rack (3), the reciprocating lead screw (302) is rotatably installed in the supporting cover (301), the pressing block (4) is threadedly connected to the reciprocating lead screw (302), and the rotating wheel (303) is fixedly installed on the side surface of the reciprocating lead screw (302).

5. The serger thread delivery device of claim 4, wherein: Said prolonging component includes: moving rod (401), pull frame (402), pressing piece two (403) and bolt two (404), the pressing piece one (4) is set with through slot, and the two outer sides and two inner sides of the pressing piece one (4) are set with several thread holes and sliding slots respectively, two said moving rod (401) are set, two said moving rod (401) are slidingly installed in the sliding slot of pressing piece two (403) respectively, and the side of moving rod (401) is set with thread hole, pull frame (402) is fixedly installed at the top of two said moving rod (401), pressing piece two (403) is fixedly installed at the side of two said moving rod (401), bolt two (404) is matched with the thread hole.

6. The overcasting feed device for a sewing machine according to claim 5, wherein The side of two said mounting plate (101) is fixedly installed with handle (5).

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