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CN-118951630-B - Manufacturing method of straight-cylinder type metal hand mold for impregnated product production

CN118951630BCN 118951630 BCN118951630 BCN 118951630BCN-118951630-B

Abstract

The application relates to a manufacturing method of a straight cylinder type metal hand mold for impregnated product production, which comprises the following steps of stamping a metal plate to obtain a left half palm of a blank and a right half palm of the blank, wherein the left half palm of the blank and the right half palm of the blank are sequentially provided with a finger section, a palm section and a wrist opening section along the length direction, the wrist opening section is reserved and formed at a welding connection position of the wrist opening section, the left half palm of the blank and the right half palm of the blank are subjected to edge cutting along the outline to obtain a left half palm and a right half palm, the left half palm and the right half palm are combined and welded to form a palm part, a metal pipe is cut into a wrist cylinder part, one end of the wrist cylinder part is reserved and formed, and the palm straight cylinder section of the palm part is welded and the wrist straight cylinder section of the wrist cylinder part. According to the application, the palm straight cylinder section and the wrist straight cylinder section are welded, so that the problem of welding section difference between the palm and the wrist cylinder can be solved, and the roundness of the palm and the wrist cylinder during welding is ensured, so that the production quality is effectively improved.

Inventors

  • HE PING
  • ZHANG CHENGHAO
  • LI QIANG
  • ZHU SHIJIAN
  • LI SAI
  • LIAO SHENGBIAO
  • Ke Yaoqun

Assignees

  • 台州市真浩科技有限公司

Dates

Publication Date
20260512
Application Date
20240801

Claims (9)

  1. 1. The manufacturing method of the straight-tube type metal hand mold for producing the dipping product is characterized by comprising the following steps: Stamping on a metal plate (120) to obtain a blank left half palm and a blank right half palm, wherein the blank left half palm and the blank right half palm are sequentially provided with a finger section, a palm section and a wrist opening section along the length direction, and the wrist opening section is reserved at a welding connection part and is used for forming a palm straight barrel section (170); Trimming the outline of the left half palm of the blank and the outline of the right half palm of the blank to obtain a left half palm and a right half palm, and welding the left half palm and the right half palm to form a palm part (140); cutting the metal pipe to form a wrist cylinder part (150), reserving and forming a wrist straight cylinder section (180) at one end of the wrist cylinder part (150); Welding the palm straight section (170) of the palm (140) with the wrist straight section (180) of the wrist (150); Welding the palm straight section (170) of the palm part (140) and the wrist straight section (180) of the wrist part (150) by a laser welding device; The laser welding equipment comprises a frame (1), a workbench (2) arranged on the frame (1), a hand die positioning mechanism (3) arranged on the workbench (2), and a welding gun (4) arranged on the workbench (2) and positioned at one side of the hand die positioning mechanism (3); The hand mold positioning mechanism (3) comprises a rotating shaft (31) rotatably mounted on the workbench (2) and a driving mechanism (32) arranged on the workbench (2) and used for driving the rotating shaft (31) to rotate, a positioning disc (33) is arranged on the rotating shaft (31), a positioning jig (34) is vertically fixed at the center of the positioning disc (33), an inner tensioning part (35) is fixed on the positioning jig (34), a stripper plate (36) is sleeved outside the positioning jig (34), the stripper plate (36) is arranged on the positioning disc (33), a positioning sleeve (37) is sleeved outside the positioning jig (34), the positioning sleeve (37) is arranged on the stripper plate (36), the positioning sleeve (37) is used for being sleeved with a wrist cylinder part (150), the inner tensioning part (35) is used for being sleeved with a palm part (140), and a telescopic driving part (38) for driving the inner tensioning part (35) to act with the palm part (140) is arranged on the workbench (2); The muzzle of the welding gun (4) faces to the splicing position of the wrist barrel part (150) and the palm part (140).
  2. 2. A method of manufacturing a straight barrel type metal hand form for the production of impregnated products according to claim 1, wherein the length of the palm straight barrel section (170) and the wrist straight barrel section (180) is 5mm.
  3. 3. The method of manufacturing a straight tubular metal hand form for use in the production of impregnated products according to claim 1, wherein in the left half palm of the blank and the right half palm of the blank obtained by stamping on the metal sheet (120), the side edges of the metal sheet (120) are folded during stamping and the folded edges (130) are formed at the opening of the wrist opening sections of the left half palm of the blank and the right half palm of the blank, respectively.
  4. 4. A method of manufacturing a straight tubular metal hand form for use in the production of impregnated products according to claim 3, wherein the left half palm of the blank and the right half palm of the blank are trimmed along the outline to obtain left half palm and right half palm, and the left half palm and the right half palm are joined and welded to form a palm portion (140), comprising the steps of: trimming the outline of the left half palm of the blank and the outline of the right half palm of the blank to obtain a left half palm and a right half palm, and reserving folded edges (130) on the left half palm of the blank and the right half palm of the blank; the left half palm and the right half palm are welded together to form a palm part (140); And rounding and cutting off the folded edge (130) at the opening of the wrist opening section of the palm part (140).
  5. 5. A method of manufacturing a straight tubular metal hand form for use in the production of impregnated products according to claim 3, wherein the width of the folds (130) is between 5mm and 10 mm.
  6. 6. The method for manufacturing the straight-tube type metal hand mold for the production of the dipping products according to claim 1, wherein the inner tensioning part (35) comprises an inner tensioning sleeve (351), one end of the inner tensioning sleeve (351) is fixed on the positioning jig (34), a plurality of tensioning grooves (352) are formed in the other end of the inner tensioning sleeve (351), the plurality of tensioning grooves (352) are distributed at equal intervals along the circumferential direction of the inner tensioning sleeve (351), the length direction of the tensioning grooves (352) extends along the axial direction of the inner tensioning sleeve (351), a plurality of tensioning blocks (353) are formed at the other end of the inner tensioning sleeve (351) in a separated mode through the plurality of tensioning grooves (352), and tensioning convex surfaces (354) protruding outwards are formed on the outer wall surface of each tensioning block (353); The telescoping drive (38) is configured to drive each of the tension blocks (353) to expand radially outwardly.
  7. 7. The method for manufacturing a straight cylinder type metal hand mold for impregnated product production according to claim 6, wherein the telescopic driving part (38) comprises a pull rod (381) and a tensioning rod (382), the pull rod (381) is arranged on the axial center line of the rotating shaft (31), the positioning jig (34) and the inner tensioning sleeve (351) in a penetrating manner, the tensioning rod (382) is fixed at the end part of the pull rod (381), a first tensioning conical surface (383) is arranged at the other end of the inner tensioning sleeve (351) around the center of the inner tensioning sleeve, and a second tensioning conical surface (384) matched with the first tensioning conical surface (383) is arranged at the end part of the tensioning rod (382); the frame (1) is provided with a telescopic driving member at the lower part for driving the pull rod (381) to stretch.
  8. 8. The method for manufacturing the straight cylinder type metal hand mold for the production of the dipping products according to claim 1, wherein a supporting frame (7) is arranged on the workbench (2), a pressing mechanism (8) for pressing a palm portion (140) is arranged above the hand mold positioning mechanism (3) by the supporting frame (7), and an outer limiting mechanism (9) for pressing the palm portion (140) and a wrist cylinder portion (150) is arranged on one side of the hand mold positioning mechanism (3) by the supporting frame (7).
  9. 9. The method for manufacturing the straight cylinder type metal hand mold for the production of the dipping products according to claim 8, wherein the outer limiting mechanism (9) comprises two limiting cylinders (91) fixedly arranged on the supporting frame (7), the two limiting cylinders (91) are symmetrically arranged on two sides of the hand mold positioning mechanism (3), limiting plates (92) are arranged on output rods of the limiting cylinders (91), two limiting wheels (93) are rotatably arranged on the limiting plates (92), the two limiting wheels (93) are arranged at intervals side by side, and wheel faces of the two limiting wheels (93) are abutted against the splicing seam positions of the wrist cylinder part (150) and the palm part (140).

Description

Manufacturing method of straight-cylinder type metal hand mold for impregnated product production Technical Field The application relates to the technical field of hand mold production processes, in particular to a method for manufacturing a straight cylinder type metal hand mold for production of impregnated products. Background The product of the prior stainless steel metal hand mold has stable dimensional accuracy, good heat conduction, corrosion resistance and various thicknesses, and the characteristics of the stainless steel hand mold just meet the requirements of glove production such as latex, silica gel, PVC, butyronitrile and the like, and the stainless steel metal hand mold has the requirements of large-scale production, low processing cost, high production efficiency, light weight, high rigidity, high heat conduction, corrosion resistance, high temperature resistance, oxidation resistance, good earthquake resistance, long service life, small maintenance amount, simple and convenient operation and large profit space. The stainless steel metal hand mold is divided into a palm part, a wrist cylinder part and a base part, wherein the wrist cylinder part is a middle part for connecting the palm part and the base part, the wrist cylinder part is connected with the palm part through welding, and the base part is connected with the wrist cylinder part through welding. The existing stainless steel metal hand mold has the following problems that the welding part of the palm part and the wrist cylinder part is elliptical, and the upper part of the wrist cylinder part is circular, so that when the palm part is directly welded with the wrist cylinder part, the palm part and the wrist cylinder part cannot be well spliced and welded, and defects such as section difference, wave marks and the like are easy to exist after welding, so that the production quality of the stainless steel metal hand mold is reduced, and certain improvement exists. Disclosure of Invention In order to improve the production quality, the application provides a manufacturing method of a straight cylinder type metal hand mold for producing an impregnated product. The application provides a manufacturing method of a straight cylinder type metal hand mold for producing an impregnated product, which adopts the following technical scheme: a manufacturing method of a straight cylinder type metal hand mold for producing an impregnated product comprises the following steps: Stamping on a metal plate to obtain a left half palm of a blank and a right half palm of the blank, wherein the left half palm of the blank and the right half palm of the blank are sequentially provided with a finger section, a palm section and a wrist opening section along the length direction, and the wrist opening section is reserved at a welding joint of the wrist opening section and forms a palm straight cylinder section; cutting the metal pipe into sections to form a wrist barrel part, and reserving and forming a wrist straight barrel section at one end of the wrist barrel part; and welding the palm straight barrel section of the palm part with the wrist straight barrel section of the wrist barrel part. Preferably, the length of the palm straight barrel section and the wrist straight barrel section is 5mm. Preferably, stamping is carried out on the metal plate to obtain a left half palm of the blank and a right half palm of the blank, and the side edges of the metal plate are bent in stamping to form folds at the openings of the wrist opening sections of the left half palm of the blank and the right half palm of the blank. Preferably, the left half palm of the blank and the right half palm of the blank are trimmed along the outline to obtain the left half palm and the right half palm, and the left half palm and the right half palm are combined and welded to form a palm part, comprising the following steps: trimming the outline of the left half palm of the blank and the outline of the right half palm of the blank to obtain left half palm and right half palm, and reserving folded edges on the left half palm of the blank and the right half palm of the blank; the left half palm and the right half palm are welded in a butt joint way to form a palm part; and rounding and cutting the folded edge at the opening of the wrist opening section of the palm. Preferably, the width of the folded edge is between 5mm and 10 mm. Preferably, in the welding connection of the palm straight section of the palm part and the wrist straight section of the wrist part, welding is performed by a laser welding device; The laser welding equipment comprises a frame, a workbench arranged on the frame, a hand die positioning mechanism arranged on the workbench and a welding gun arranged on the workbench and positioned at one side of the hand die positioning mechanism; The hand mold positioning mechanism comprises a rotating shaft rotatably mounted on the workbench and a driving mechanism arranged on the