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CN-121987016-A - Anti-pinch self-locking zipper and manufacturing method thereof

CN121987016ACN 121987016 ACN121987016 ACN 121987016ACN-121987016-A

Abstract

The invention belongs to the technical field of zippers, in particular to a clamping-preventing self-locking zipper and a manufacturing method thereof, comprising a zipper body, wherein the zipper body comprises a zipper belt, a slide bar, zipper teeth, a zipper head and a pull ring, the sewing unit of frame all is provided with moving mechanism around, and the compression roller is with zip fastener belt and prevent smuggleing secretly pressing on the movable table, through the removal of two movable tables around, guarantees zip fastener belt and prevent smuggling secretly when making up on a horizon, and the lift of crane can drive the compression roller of rotating the connection with it through the bearing and go up and down, to the zip fastener belt of different thickness, like the protruding department of taking the zip fastener tooth, can automatically regulated stroke of pushing down.

Inventors

  • CHEN WENTING

Assignees

  • 天门市铭兴网络科技有限公司

Dates

Publication Date
20260508
Application Date
20260210

Claims (9)

  1. 1. The anti-pinch self-locking zipper comprises a zipper body (1), and is characterized in that the zipper body (1) comprises a zipper belt (2), a slide bar (23), zipper teeth (3), a zipper head (22) and a pull ring (24); The zipper strip (2) is fixed with one side of the slide bar (23) through a high-frequency hot pressing process, and the zipper teeth (3) are integrally formed with the other side of the slide bar (23) through an injection molding process.
  2. 2. The anti-pinch self-locking zipper of claim 1, wherein the upper surface and the lower surface of the zipper strip (2) are sewn with anti-pinch strips (21), the zipper heads (22) are slidably connected to the outer side surfaces of the sliding strips (23), and the pull rings (24) are movably sleeved on the connecting rings of the zipper heads (22).
  3. 3. The anti-pinch self-locking zipper of claim 2, wherein the zipper strip (2) is made of polyester fiber, the anti-pinch strip (21) is made of nylon, the sliding strip (23) is made of polyoxymethylene, and the zipper teeth (3), the zipper head (22) and the pull ring (24) are made of zinc alloy.
  4. 4. The anti-pinch self-locking zipper as claimed in claim 3, wherein the outer side end of the slide bar (23) is provided with an arc-shaped groove (4), a ball rod (41) is slidably inserted into the inner side end sliding groove of the zipper head (22), the outer surface of the ball rod (41) is slidably clamped with the inner wall of the arc-shaped groove (4), one end of the ball rod (41) is fixedly provided with a spring (42), the spring (42) is fixedly arranged on the inner bottom wall of the sliding groove of the zipper head (22), and the precompression amount of the spring (42) is matched with the fit clearance between the ball rod (41) and the arc-shaped groove (4).
  5. 5. A method of manufacturing a pinch-resistant self-locking slide fastener according to claim 4, using the pinch-resistant self-locking slide fastener according to any one of claims 1 to 4, characterized in that: The method comprises the steps that an injection molding machine is adopted, the zipper teeth (3) and the other side of a slide bar (23) are integrally manufactured through an injection molding process, and then a high-frequency hot press is adopted to perform high-frequency hot press welding and fixing on one sides of a zipper belt (2) and the slide bar (23); Attaching the anti-entrainment (21) to the upper side and the lower side of the zipper strip (2), wherein the anti-entrainment (21) below the zipper strip (2), namely the anti-entrainment (21) contacted with inner clothes, is of a staggered knitting structure, the anti-entrainment (21) above the zipper strip (2) is of a non-staggered knitting structure, and sewing and fixing the anti-entrainment (21) and the zipper strip (2) by adopting an automatic sewing machine after the bonding is finished; And thirdly, preassembling the ball rod (41), the spring (42) and the zipper head (22), ensuring that the ball rod (41) can smoothly slide in the groove of the zipper teeth (3), enabling the spring (42) to provide stable pretightening force, sleeving the assembled zipper head (22) on the slide bar (23), aligning and clamping the ball rod (41) at the inner side end of the zipper head (22) with the arc-shaped groove (4) at the outer side end of the slide bar (23), and forming sliding fit, thereby obtaining the zipper body (1).
  6. 6. The method for manufacturing the anti-pinch self-locking zipper according to claim 5, wherein the automatic sewing machine in the second step comprises a frame (5) with a sewing unit, a moving mechanism is arranged on the upper surface of the frame (5), the moving mechanism comprises a screw (6) and a moving table (61), and the moving table (61) is driven to move by the rotation of the screw (6); The upper surface of frame (5) is provided with pressing mechanism, pressing mechanism includes compression roller (72), the decline of compression roller (72) is pressed zipper strip (2) with prevent carrying (21).
  7. 7. The method of claim 6, wherein the moving mechanism further comprises a motor (51), the motor (51) is fixedly installed on the inner wall of the bottom plate groove of the frame (5), and an output shaft of the motor (51) is rotatably connected with the bottom plate groove of the frame (5) through a bearing.
  8. 8. The method for manufacturing the anti-pinch self-locking zipper according to claim 7, wherein an output shaft of the motor (51) is fixedly arranged at one end of the screw rod (6), the screw rod (6) is rotatably connected to the inner wall of a groove of the bottom plate of the frame (5) through a bearing, the movable table (61) is in threaded connection with the outer surface of the screw rod (6), and sliding blocks at two ends of the movable table (61) are in sliding fit with guide rails of the bottom plate of the frame (5).
  9. 9. The method for manufacturing the anti-pinch self-locking zipper according to claim 6, wherein the pressing mechanism further comprises an electric push rod (7), the electric push rod (7) is fixedly arranged on the upper surface of the mobile station (61), a lifting frame (71) is fixedly arranged at one end of a telescopic rod of the electric push rod (7), a sliding rod of the lifting frame (71) is in sliding connection with a groove on the upper surface of the mobile station (61), and the pressing roller (72) is rotatably connected to the inner side wall of the lifting frame (71) through a bearing.

Description

Anti-pinch self-locking zipper and manufacturing method thereof Technical Field The invention relates to the technical field of zippers, in particular to an anti-pinch self-locking zipper and a manufacturing method thereof. Background The zipper is a reversible opening and closing device widely applied to the fields of clothing, bags, tents, shoes and the like, and has the core function of enabling the zipper teeth on two toothed cloth belts to be meshed with or separated from each other through sliding elements so as to realize closing or opening. In the prior art, when the traditional zipper is used, especially when the zipper is fast pulled, the edge of clothes, especially inner clothes, is easily rolled into the space between the zipper head and the zipper teeth, so that clothes are clamped, scratched and even damaged, the user experience is affected, and the traditional self-locking zipper adopts magnetic attraction self-locking, so that the cost is high, and the self-locking zipper is easily influenced by a strong magnetic field environment. Disclosure of Invention In the prior art, when the zipper is rapidly pulled, inner clothes are easily rolled between the zipper head and the zipper teeth, so that clothes are clamped, scratched and even damaged, and the existing self-locking zipper adopts magnetic attraction self-locking, so that the cost is high, and the technical problem that the zipper is easily influenced by a strong magnetic field environment is solved. The invention provides an anti-pinch self-locking zipper and a manufacturing method thereof, comprising a zipper body, the zipper body comprises a zipper belt, a sliding strip, zipper teeth, a zipper head and a pull ring. The zipper strip is fixed with one side of the slide bar through a high-frequency hot-pressing process, and the zipper teeth are integrally formed with the other side of the slide bar through an injection molding process. Preferably, the upper surface and the lower surface of the zipper belt are sewed with anti-entrainment, the zipper head is slidingly connected with the outer side surface of the slide bar, and the pull ring is movably sleeved on the connecting ring of the zipper head. Preferably, the material of zipper strip is polyester fiber, the material of preventing smuggling secretly is nylon, the material of draw runner is polyoxymethylene, the zip fastener tooth the zip fastener head with the material of pull ring all adopts zinc alloy material. Preferably, the outer side end of the slide bar is provided with an arc-shaped groove, the sliding groove at the inner side end of the zipper head is slidably inserted with a ball rod, the outer surface of the ball rod is slidably clamped with the inner wall of the arc-shaped groove, one end of the ball rod is fixedly provided with a spring, the spring is fixedly arranged on the inner bottom wall of the sliding groove of the zipper head, and the precompression amount of the spring is matched with the fit clearance between the ball rod and the arc-shaped groove. The invention provides a manufacturing method of an anti-pinch self-locking zipper, which comprises the following steps: The method comprises the steps that firstly, an injection molding machine is adopted, the zipper teeth and the other side of a slide bar are integrally manufactured through an injection molding process, and then a high-frequency hot press is adopted to perform high-frequency hot press welding and fixing on the zipper strips and one side of the slide bar; attaching the anti-entrainment to the upper side and the lower side of the zipper tape, wherein the anti-entrainment below the zipper tape, namely the anti-entrainment contacted with the inner clothes, is of a staggered weaving structure, the anti-entrainment above the zipper tape is of a non-staggered weaving structure, and after the bonding is finished, sewing and fixing the anti-entrainment and the zipper tape by adopting an automatic sewing machine; And thirdly, preassembling the club, the spring and the zipper head, ensuring that the club can smoothly slide in the grooves of the zipper teeth, enabling the spring to provide stable pretightening force, arranging the assembled zipper head on the slide bar, aligning and clamping the club at the inner side end of the zipper head with the arc-shaped groove at the outer side end of the slide bar, and forming sliding fit, thereby obtaining the zipper body. Preferably, the automatic sewing machine in the second step comprises a frame with a sewing unit, wherein a moving mechanism is arranged on the upper surface of the frame, the moving mechanism comprises a screw and a moving table, and the moving table is driven to move by rotation of the screw. The upper surface of frame is provided with pressing mechanism, pressing mechanism includes the compression roller, the decline of compression roller is pressed the zip fastener area with prevent smuggleing secretly. Preferably, the moving mechanism further com