Search

CN-117416076-B - Pull piece apparatus for producing of sportswear zip fastener

CN117416076BCN 117416076 BCN117416076 BCN 117416076BCN-117416076-B

Abstract

The invention relates to the field of accessories related to zippers, in particular to a pull-tab production device of a sports wear zipper, which is characterized by comprising a rack, wherein an unreeling roller for conveying a pull rope, an injection mold with an injection mold cavity and a plurality of guide wheels for guiding the pull rope are arranged on the rack, the injection mold is provided with an injection upper mold and an injection lower mold which can be separated up and down, a pressing mechanism for fixing the free end of the pull rope is arranged on the rack, a pull-out mechanism for pulling out the pull rope along the vertical direction of the conveying direction of the pull rope is arranged on the rack, the pull-out mechanism is arranged between the injection upper mold and the injection lower mold when the pull rope is pulled out, a first rope end and a second rope end are formed, the first rope end and the second rope end are embedded in the injection mold cavity when the injection upper mold and the injection lower mold are clamped, and a stamping mold is arranged on the rack, which is positioned outside the injection mold and close to the input end position of the pull rope.

Inventors

  • HONG DONGXIAO

Assignees

  • 晋江市银鑫拉链织造有限公司

Dates

Publication Date
20260505
Application Date
20210729

Claims (4)

  1. 1. The pull-tab production device of the sports wear zipper is characterized by comprising a frame (100), wherein an unreeling roller for conveying a pull rope, an injection mold (200) with an injection mold cavity (203) and a plurality of guide wheels for guiding the pull rope are arranged on the frame (100), the injection mold (200) is provided with an injection upper mold (201) and an injection lower mold (202) which can be separated up and down, a pressing mechanism (101) for fixing the free end of the pull rope is arranged on the frame (100), a pull-out mechanism (400) for pulling out the pull rope along the vertical direction of the conveying direction of the pull-out mechanism is arranged on the frame (100), the pull-out mechanism is positioned between the injection upper mold (201) and the injection lower mold (202) when the pull rope is pulled out, a first rope end and a second rope end are formed, and when the injection upper mold (201) and the injection lower mold (202) are clamped, the first rope end and the second rope end are embedded in the injection mold cavity (203); The pull rope passes through a die cavity of the stamping die (300) after being pulled by a pull-out mechanism (400), the metal strip conveying and unreeling mechanism conveys the metal strip into the stamping die (300) and enables the stamping die (300) to process the metal strip to form a rope end fixing piece (4) for fixing the pull rope, and after the pull-out mechanism (400) pulls out the rope end fixing piece (4) from the stamping die (300), 1/2-4/5 of the length of the rope end fixing piece (4) is embedded in the injection die cavity (203).
  2. 2. The apparatus for producing a zipper of sports wear according to claim 1, wherein the stamping die (300) has a stamping upper die (301) and a stamping lower die (302) which can be separated vertically, and the molding surfaces of the stamping upper die (301) and the stamping lower die (302) are two arc surfaces (304) which are sequentially connected, so that the metal strip has an open "-infinity" annular structure after being acted by the stamping die (300).
  3. 3. The apparatus for producing a zipper pull of sports wear according to claim 1, wherein a cutter mechanism for cutting off the pull cord after injection molding by the injection mold (200) to separate into individual pull tabs is provided on a side frame (100) on which the pull cord enters the injection mold (200).
  4. 4. The device for producing the pull tab of the sports wear zipper of any one of claims 1 to 3, wherein the pull-out mechanism (400) comprises a telescopic rod (401), a driving motor (402) and a transmission assembly which are matched with the telescopic rod (401), and a mechanical claw (403) which is arranged at the end part of the telescopic rod (401) and used for grabbing a pull rope.

Description

Pull piece apparatus for producing of sportswear zip fastener The patent application is a divisional application aiming at a zipper pull production method and a device of a sports suit with the patent application number of 202110863325.2 and the application date of 2021-07-29. Technical Field The invention relates to the field of relevant accessories of zippers, in particular to a pull-tab production device of a sports wear zipper. Background The pull tab of the zipper is typically formed from a sheet of metal having an aperture in which the slider is mounted. The metal sheets are usually too small to enable the zipper to slide easily, so that a rope with a larger handle is attached to the tail end of the existing zipper handle by many manufacturers, such as a structure shown in Chinese patent CN2415646Y, and the rope type zipper handle consists of a pull rope and a handle body, wherein the handle body is a bicolor flat body, the middle part of the handle body is concave, raised strips are arranged at the upper part and the lower part of the concave part, and the pull rope is fixed at the upper part of the handle body. Which shows the basic structure of existing pull tabs with pull cords. As shown in CN 110384314A, a slide fastener for a slide fastener includes a coupling body capable of coupling with a slider, and a slide fastener body integrally attached to the coupling body, wherein the coupling body includes an exposed portion exposed from the slide fastener body and an embedded portion embedded in the slide fastener body, and the slide fastener body includes a first resin forming portion including at least one or more annular end portions having an opening and capable of surrounding an end portion of the embedded portion adjacent to the exposed portion, and a second resin forming portion integrally formed with the first forming portion by disposing the embedded portion therebetween. In the present invention, when the tab body is integrally attached to the coupling body, first, the end of the embedded portion adjacent to the exposed portion in the coupling body is surrounded by the annular end of the first formed portion formed in advance. Then, the second forming portion is formed by injection molding a resin into such first forming portion with the embedded portion disposed therebetween. Thus, the tab body including the first and second forming portions into which the embedded portion of the connecting body is embedded is formed, and the tab is completed. In injection molding of the second forming portion, the annular end portion is disposed at an end portion of a cavity of a molding die of the second forming portion, that is, an end portion of a cavity of the connecting body adjacent to the exposed portion, and an end portion of the embedded portion of the connecting body adjacent to the exposed portion is surrounded by the annular end portion at the end portion of the cavity. The opening of the annular end portion is set to a size such that the annular end portion surrounds an end portion of the embedded portion of the connecting body adjacent to the exposed portion with as little clearance as possible. In this state, the second forming portion is formed by injecting the molten resin into the cavity of the forming die, and the first forming portion and the second forming portion are integrated with the embedded portion disposed therebetween to form the tab body, and the annular end portion remains as an end portion of the tab body adjacent to the exposed portion of the coupling body. Which shows a way of forming a pull tab with a resin structure. However, the conventional pull tab, particularly the pull tab of a slide fastener applied to sportswear, has the following problems: 1. the pull-tab structure made of resin is excessively inconsistent in connection between the pull-cord and the pull-tab due to production limitation, so that the positions of the two ends of the pull-cord on the pull-tab are not uniform, and the attractive appearance of the product is affected; 2. The existing production process has poor quality, and the condition of separation between the pull rope and the pull tab is easy to occur; 3. The pull tab made of resin is light and lacks the texture of the pull tab made of metal, so that the hand feeling during pulling is affected. At present, the pull tab product cannot be produced efficiently. Disclosure of Invention Therefore, the invention provides a pull-tab production device of a sports wear zipper, which solves the problem that the existing resin pull-tab cannot be produced efficiently. In order to achieve the above purpose, the invention is realized by the following technical scheme: A production method of a pull tab of a sports wear zipper comprises the following steps: a. taking a continuously conveyed pull rope and simultaneously arranging an injection mold with an injection mold cavity; b. Fixing the end part of a continuous conveying pull rope; c. a pulling mechanism i