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CN-122008455-A - Inner ring buckle demolding structure

CN122008455ACN 122008455 ACN122008455 ACN 122008455ACN-122008455-A

Abstract

The invention discloses an inner ring buckle demolding structure which comprises a bottom plate, square iron, a B plate, an A plate, a water gap pushing plate and a panel which are sequentially arranged from bottom to top, wherein a bottom needle plate is further arranged on the bottom plate, the bottom needle plate is further connected with a surface needle plate, a front mold core is arranged at the bottom of the A plate, a rear mold core is arranged at the position, corresponding to the front mold core, of the top of the B plate, a product molding cavity is further formed at the bottom of the front mold core, a left inner position and a right inner position are respectively and slidingly arranged at two sides of the top of the B plate, one ends of the left inner position and the right inner position are inserted into the product molding cavity, a shovel machine is further arranged at the bottom of the front mold core, and the lower part of the shovel machine is positioned in the middle of the product molding cavity. The invention adopts the composite core-pulling structure combining the inner slide and the inclined top, avoids the defects of product pull injury, deformation and the like caused by the strong-release mode, and ensures the dimensional accuracy and the appearance quality of the product.

Inventors

  • HUANG QIANG
  • HU XUEWU

Assignees

  • 欧唐科技（深圳）有限公司

Dates

Publication Date
20260512
Application Date
20260330

Claims (7)

  1. 1. An inner ring buckle demolding structure comprises a bottom plate, square iron, a B plate, an A plate, a water gap push plate and a panel which are sequentially arranged from bottom to top; a bottom needle plate is also arranged on the bottom plate, and a face needle plate is also connected to the bottom needle plate; the bottom of the plate A is provided with a front mold core, and the position, corresponding to the front mold core, of the top of the plate B is provided with a rear mold core; the bottom of the front mold core is also provided with a product forming cavity, and the front mold core is characterized in that two sides of the top of the B plate are respectively and slidably provided with a left inner position and a right inner position, one end of the left inner position and one end of the right inner position are inserted into the product forming cavity, the bottom of the front mold core is also provided with a shovel machine, the lower part of the shovel machine is arranged in the middle of the product forming cavity, one end parts of the left inner position and the right inner position, which are inserted into the product forming cavity, are respectively and upwardly extended with a first forming part, the two first forming parts are respectively positioned at one side of the shovel machine, two sides of the bottom of the A plate are respectively connected with an oblique guide post, the lower part of each oblique guide post is obliquely arranged in the direction of the rear mold core, guide oblique guide holes matched with the oblique guide posts are formed in the oblique direction of the left inner position and the right inner position, each oblique guide post correspondingly passes through one guide oblique hole, two ends of the upper part of the surface needle plate, which is respectively connected with a ground oblique top, a oblique top and a oblique top, the oblique top and the oblique top are respectively arranged at two ends of the lower part of the surface needle plate, the upper part of the surface needle plate is respectively, the oblique top and the upper part of the shovel plate is sequentially arranged at the upper side of the upper part of the product forming cavity, and the oblique top is arranged in the direction of the front and the upper part, and the oblique top, and the upper part of the upper part is arranged in the direction and the direction, and the upper part of the upper part, and the upper part and the lower upper part and the lower upper forming and, the end part of one end of the ground side inclined roof and the upper side inclined roof, which are inserted into the product forming cavity, is also extended to the direction of the inner wall of the product forming cavity, the two second forming parts are respectively positioned at one end of the shovel machine, a plurality of straight roofs are also arranged on the face needle plate below the product forming cavity, and the upper parts of the straight roofs sequentially and movably penetrate through the B plate and the rear mold core and then are inserted into the product forming cavity for arrangement.
  2. 2. The inner ring buckle demolding structure according to claim 1, wherein a first sliding groove is formed in each of two sides of the top of the B plate along the width direction of the B plate, a second sliding groove communicated with the two first sliding grooves is formed in the top of the rear mold core, guide blocks are arranged on inner walls of two sides of the first sliding grooves, one part of the left inner row position is arranged in the first sliding groove in a sliding mode, the other part of the left inner row position is arranged at one end in the second sliding groove in a sliding mode, one part of the right inner row position is arranged in the other first sliding groove in a sliding mode, and the other part of the right inner row position is arranged at the other end in the second sliding groove in a sliding mode.
  3. 3. The inner ring buckle demolding structure according to claim 2, wherein a first insertion hole is further formed in the first sliding groove, and the lower portion of the oblique guide pillar penetrates through the guide oblique hole and is then inserted into the first insertion hole.
  4. 4. The inner ring buckle demolding structure according to claim 1, wherein the shovel machine is further provided with a first inclined surface inclined inwards at two sides of the lower portion, and a second inclined surface attached to the first inclined surface is further arranged at one side of the first molding portion.
  5. 5. The inner ring buckle demolding structure according to claim 1, wherein a guide rod is further arranged on the face needle plate in the vertical direction, a limiting groove is further formed in the bottom of the B plate, the upper portion of the guide rod penetrates through the limiting groove and then penetrates out of the top of the B plate to be arranged, a first spring is further sleeved on the guide rod, and two ends of the first spring are respectively abutted to the bottom of the limiting groove and the top of the face needle plate.
  6. 6. The inner ring buckle ejector structure of claim 5, wherein the top of the face needle plate is further provided with an ejector retainer post.
  7. 7. The inner ring buckle demolding structure according to claim 6, wherein two inclined top seats are further arranged at the top of the face needle plate, U-shaped slotted holes are formed in the top of each inclined top seat, connecting shafts are connected between inner walls of two sides of each U-shaped slotted hole, the lower parts of the ground side inclined top and the top side inclined top are respectively and rotatably connected to the connecting shafts, two inclined top guide blocks are further arranged at the bottom of the B plate, inclined top guide holes are further formed in the inclined top guide blocks in an inclined mode, and the middle parts of the ground side inclined top and the top side inclined top are respectively arranged through one inclined top guide hole.

Description

Inner ring buckle demolding structure Technical Field The invention relates to the technical field of inverted buckle position demolding of plastic products, in particular to an inner ring buckle demolding structure. Background In a plastic mold, a product is often provided with an inner annular back-off surface, and in the conventional method, a strong stripping mold is used, so that the small back-off surface of the product is easy to be scratched or deformed, the product molding is affected, the size of the product cannot meet the use requirement of the product, and meanwhile, the conventional method is to customize a telescopic standard part to mold the inner annular back-off, so that the manufacturing cost is high, the mold structure is complex, and the later adjustment and maintenance are not facilitated. Disclosure of Invention The invention aims to provide an inner ring buckle demolding structure, which adopts a composite core pulling structure with combination of an inner slide and an inclined top, avoids the defects of product pull injury, deformation and the like caused by a strong stripping mode, is particularly suitable for products with high requirements on surface quality, such as food-grade ABS (Acrylonitrile butadiene styrene), and ensures the dimensional accuracy and appearance quality of the products. In order to achieve the above purpose, the following technical scheme is adopted: An inner ring buckle demolding structure comprises a bottom plate, square iron, a B plate, an A plate, a water gap push plate and a panel which are sequentially arranged from bottom to top; the bottom plate is also provided with a bottom needle plate, the bottom plate is also connected with a face needle plate, the bottom of the plate A is provided with a front mold core, the top of the plate B is provided with a rear mold core corresponding to the front mold core, the bottom of the front mold core is also provided with a product forming cavity, the two sides of the top of the plate B are respectively and slidably provided with a left inner position and a right inner position, one ends of the left inner position and the right inner position are inserted in the product forming cavity, the bottom of the front mold core is also provided with a shovel machine, the lower part of the shovel machine is positioned in the middle of the product forming cavity, the left inner position and the right inner position are inserted in one end part of the product forming cavity and are respectively provided with a first forming part in an upward extending mode, the two first forming parts are respectively positioned at one side of the shovel machine, the two sides of the bottom of the plate A are respectively connected with an oblique guide post, the lower parts of each oblique guide post are respectively arranged obliquely in the direction of the rear mold core, the left inner position and the right inner position are respectively provided with a guide hole matched with the oblique guide post in the oblique direction along the oblique direction of the guide post, the oblique direction of the upper part of the shovel machine is arranged obliquely, the upper side of the oblique shovel machine is respectively and the upper side of the oblique ejector plate is arranged obliquely, the upper side of the oblique ejector plate is arranged in the opposite the oblique ejector plate in the opposite directions, and the oblique ejector plate is arranged in the oblique ejector direction, and the oblique ejector plate is arranged in the opposite direction to the oblique ejector plate is arranged in the opposite upward direction and the opposite direction of the oblique ejector front of the oblique direction, the end part of one end of the ground side inclined roof and the upper side inclined roof, which are inserted into the product forming cavity, is also extended to the direction of the inner wall of the product forming cavity, the two second forming parts are respectively positioned at one end of the shovel machine, a plurality of straight roofs are also arranged on the face needle plate below the product forming cavity, and the upper parts of the straight roofs sequentially and movably penetrate through the B plate and the rear mold core and then are inserted into the product forming cavity for arrangement. Further, a first sliding groove is formed in each of two sides of the top of the B plate along the width direction of the B plate, a second sliding groove communicated with the two first sliding grooves is formed in the top of the rear mold core, guide blocks are further arranged on the inner walls of two sides of the first sliding grooves, one part of the left inner line is arranged in the first sliding groove in a sliding mode, the other part of the left inner line is arranged at one end in the second sliding groove in a sliding mode, one part of the right inner line is arranged in the other first sliding groove in a sliding mode, an