Clamping device for sewing needle

Abstract

The clamping device for the sewing needle comprises a sewing machine body, a connecting plate is fixedly installed on the sewing machine body, a first limiting frame is fixedly installed at the end of the connecting plate, a sliding rod is installed on the sewing machine body, and the sliding rod is in sliding connection with the first limiting frame. A placing mechanism is arranged on the connecting plate, a placing groove is formed in the bottom of the sliding rod, the side wall of the sliding rod is in threaded connection with an abutting screw rod, the end of the abutting screw rod extends into the placing groove, a second limiting frame is fixedly installed at the bottom of the sliding rod, and a blocking mechanism and a driving mechanism are arranged on the second limiting frame. The driving mechanism penetrates through the blocking mechanism and is in threaded connection with the blocking mechanism. The sewing needle limiting device is reasonable in structural design, can limit and block a sewing needle after abutting against and fixing the sewing needle, and avoids the situation that the sewing needle falls into a sewing machine and cannot be continuously used due to the fact that the abutting screw rod abutting against the sewing needle is loosened.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing needle clamping, in particular to a clamping device for sewing needles. Background Art

[0002] A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the sewing material to interweave or sew one or more layers of sewing material together. A sewing machine usually includes a feeding mechanism, a sewing needle and a shuttle bed, wherein the feeding mechanism can drive the fabric to move in a straight line or move arbitrarily within a plane so that the sewing needle can sew to the required position of the fabric, wherein the sewing needle is located above the feeding mechanism, and the shuttle bed is arranged below the feeding mechanism and corresponds to the position of the sewing needle in the vertical direction.

[0003] In the prior art, the sewing needle on the sewing machine is generally fixed on the sewing machine by a clamping screw. During use, when the sewing machine vibrates and causes the clamping screw to loosen, the sewing needle can easily fall off the sewing machine and fall into the inside of the sewing machine, making it difficult to take out and continue to use. For this reason, we have designed a clamping device for sewing needles to solve the above problem. Utility Model Content

[0004] The utility model aims to solve the problems in the prior art and proposes a clamping device for a sewing needle.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A clamping device for a sewing needle comprises a sewing machine body, a connecting plate is fixedly mounted on the sewing machine body, a first limit frame is fixedly mounted on the end of the connecting plate, a sliding rod is mounted on the sewing machine body, the sliding rod is slidably connected to the first limit frame, a placing mechanism is provided on the connecting plate, a placing groove is provided at the bottom of the sliding rod, a clamping screw is threadedly connected to the side wall of the sliding rod, the end of the clamping screw extends into the placing groove, a second limit frame is fixedly mounted on the bottom of the sliding rod, a blocking mechanism and a driving mechanism are provided on the second limit frame, the driving mechanism passes through the blocking mechanism and is threadedly connected thereto.

[0007] Preferably, the placement mechanism comprises a placement box fixedly mounted on the connecting plate, a plurality of placement holes are formed through the connecting plate, and a cover plate is placed on the placement box.

[0008] Preferably, the blocking mechanism comprises two sliding members slidably connected in the second limiting frame, and arc-shaped clamping plates are fixedly mounted on the ends of the two sliding members.

[0009] Preferably, the driving mechanism comprises a double-headed screw rotatably connected to the inner side wall of the second limiting frame, the double-headed screw passes through two sliding members and is threadedly connected thereto, and the double-headed screw passes through the side wall of the second limiting frame and is rotatably connected thereto.

[0010] Preferably, first magnetic blocks are fixedly mounted on both end side walls of the placement box, and second magnetic blocks are fixedly mounted on both end side walls of the cover plate, and the two second magnetic blocks are mutually adsorbed with the corresponding first magnetic blocks.

[0011] Preferably, a rubber pad is fixedly mounted on the inner wall of the arc-shaped clamping plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. Through the arrangement of the second limit frame, the blocking mechanism and the driving mechanism, after the sewing needle is tightly fixed, it can be limited and blocked to prevent the tightening screw for tightening the sewing needle from loosening and causing the sewing needle to fall into the sewing machine and become unusable.

[0014] 2. By setting up the placement mechanism, spare sewing needles can be stored centrally, and when the sewing needles are damaged and need to be replaced, it is convenient for the operator to take them out for replacement.

[0015] To sum up, the utility model has a reasonable structural design. After the sewing needle is tightened and fixed, it can limit and block it to prevent the tightening screw that tightens the sewing needle from loosening and causing the sewing needle to fall into the sewing machine and become unusable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a clamping device for a sewing needle proposed by the utility model;

[0017] Figure 2 for Figure 1 A magnified view of the structure at A;

[0018] Figure 3 for Figure 1 A magnified view of the structure at B in FIG.

[0019] Figure 4 It is a top view of the structure on the second limiting frame.

[0020] In the figure: 1 sewing machine body, 2 connecting plate, 3 first limit frame, 4 sliding rod, 5 placement box, 6 placement hole, 7 cover plate, 8 first magnetic block, 9 second magnetic block, 10 placement groove, 11 tightening screw, 12 second limit frame, 13 double-headed screw, 14 sliding member, 15 arc-shaped clamping plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-4 , a clamping device for sewing needles, comprising a sewing machine body 1, a connecting plate 2 is fixedly mounted on the sewing machine body 1, a first limit frame 3 is fixedly mounted on the end of the connecting plate 2, a sliding rod 4 is mounted on the sewing machine body 1, the sliding rod 4 is slidably connected with the first limit frame 3, a placing mechanism is arranged on the connecting plate 2, the placing mechanism comprises a placing box 5 fixedly mounted on the connecting plate 2, a plurality of placing holes 6 are penetrated and opened on the connecting plate 2, a cover plate 7 is placed on the placing box 5, first magnetic blocks 8 are fixedly mounted on both end side walls of the placing box 5, second magnetic blocks 9 are fixedly mounted on both end side walls of the cover plate 7, and the two second magnetic blocks 9 are mutually adsorbed with the opposite first magnetic blocks 8. Through the arrangement of the placing mechanism, spare sewing needles can be centrally stored, and when the sewing needles are damaged and need to be replaced, it is convenient for the operator to take and replace them;

[0023] A placement groove 10 is provided at the bottom of the sliding rod 4, a tightening screw 11 is threadedly connected to the side wall of the sliding rod 4, and the end of the tightening screw 11 extends into the placement groove 10. A second limit frame 12 is fixedly installed at the bottom of the sliding rod 4, and a blocking mechanism and a driving mechanism are provided on the second limit frame 12. The blocking mechanism includes two sliding members 14 slidably connected in the second limit frame 12, and arc-shaped card plates 15 are fixedly installed at the ends of the two sliding members 14, and a rubber pad is fixedly installed on the inner wall of the arc-shaped card plate 15;

[0024] The driving mechanism passes through the blocking mechanism and is threadedly connected thereto. The driving mechanism includes a double-headed screw 13 rotatably connected to the inner wall of the second limit frame 12. The double-headed screw 13 passes through two sliding members 14 and is threadedly connected thereto. The double-headed screw 13 passes through the side wall of the second limit frame 12 and is rotatably connected thereto. Through the arrangement of the second limit frame 12, the blocking mechanism and the driving mechanism, after the sewing needle is tightly fixed, it can be limited and blocked to prevent the tightening screw 11 that tightens the sewing needle from loosening, causing the sewing needle to fall into the interior of the sewing machine and become unable to be used any further.

[0025] The functional principle of the utility model can be explained through the following operation modes:

[0026] When the sewing needle needs to be fixed, first, the operator inserts the sewing needle into the placement groove 10 so that the top of the sewing needle abuts against the inner top of the placement groove 10, and rotates the tightening screw 11 forward so that the end of the tightening screw 11 tightens and fixes the sewing needle, and then rotates the double-headed screw 13 forward, and the double-headed screw 13 drives the two sliding members 14 to slide and gradually approach, and the two sliding members 14 drive the two arc-shaped clamping plates 15 to gradually approach and clamp the sewing needle to limit the position. When the tightening screw 11 is loose, the sewing needle is The needle will slide downward, and at this time the two arc-shaped clamping plates 15 will limit the sewing needle to prevent it from sliding down. When the sewing needle needs to be replaced, first, the operator reversely rotates the tightening screw 11 to disengage the tightening screw 11 from the sewing needle, and then reversely rotates the double-headed screw 13 to disengage the arc-shaped clamping plate 15 from the sewing needle, removes the sewing needle to be replaced, pulls the cover plate 7 upward, removes the cover plate 7, and then takes out the sewing needle in the placement box 5 and fixes it on the sliding rod 4.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A clamping device for a sewing needle, comprising a sewing machine body (1), characterized in that: A connecting plate (2) is fixedly mounted on the sewing machine body (1), a first limiting frame (3) is fixedly mounted on the end of the connecting plate (2), a sliding rod (4) is mounted on the sewing machine body (1), the sliding rod (4) is slidably connected to the first limiting frame (3), a placing mechanism is provided on the connecting plate (2), a placing groove (10) is provided at the bottom of the sliding rod (4), a tightening screw (11) is threadedly connected to the side wall of the sliding rod (4), the end of the tightening screw (11) extends into the placing groove (10), a second limiting frame (12) is fixedly mounted on the bottom of the sliding rod (4), a blocking mechanism and a driving mechanism are provided on the second limiting frame (12), and the driving mechanism passes through the blocking mechanism and is threadedly connected thereto.

2. A clamping device for a sewing needle according to claim 1, characterized in that: The placement mechanism comprises a placement box (5) fixedly mounted on a connection plate (2); a plurality of placement holes (6) are provided through the connection plate (2); and a cover plate (7) is placed on the placement box (5).

3. A clamping device for a sewing needle according to claim 1, characterized in that: The blocking mechanism comprises two sliding members (14) slidably connected in the second limit frame (12), and arc-shaped clamping plates (15) are fixedly mounted on the ends of the two sliding members (14).

4. A clamping device for a sewing needle according to claim 3, characterized in that: The driving mechanism comprises a double-headed screw (13) rotatably connected to the inner wall of the second limiting frame (12); the double-headed screw (13) passes through two sliding members (14) and is threadedly connected thereto; the double-headed screw (13) passes through the side wall of the second limiting frame (12) and is rotatably connected thereto.

5. A clamping device for a sewing needle according to claim 2, characterized in that: The side walls at both ends of the placement box (5) are fixedly mounted with first magnetic blocks (8), and the side walls at both ends of the cover plate (7) are fixedly mounted with second magnetic blocks (9), and the two second magnetic blocks (9) are mutually attracted to the corresponding first magnetic blocks (8).

6. A clamping device for a sewing needle according to claim 3, characterized in that: A rubber pad is fixedly mounted on the inner wall of the arc-shaped clamping plate (15).

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