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CN-219445993-U - Plastic mold convenient for demolding

CN219445993UCN 219445993 UCN219445993 UCN 219445993UCN-219445993-U

Abstract

The utility model relates to the technical field of dies and provides a plastic die convenient to demould, which comprises a lower die holder, a first electric push rod and an upper die holder, wherein the first electric push rod is fixed at the corner position of the top end of the lower die holder, the upper die holder is fixed at the top end of the first electric push rod, a die cavity is arranged at the middle position of the top of the lower die holder, a buffer structure is arranged at the corner position of the top of the lower die holder, a built-in cavity is arranged at the bottom end of the inside of the lower die holder, and an extrusion structure is arranged at the middle position of the bottom end of the built-in cavity. According to the utility model, the guide structure is arranged, so that the movable plate can drive the guide rod to move in the guide groove when moving up and down, the movable plate is prevented from moving horizontally under the guide action of the guide post, the function of convenient guide of the device is realized, and the applicability of the plastic mould in use is improved.

Inventors

  • Guan Shenzhang
  • LI MING

Assignees

  • PUTIAN HANJIANG SANHE PREC PLASTIC MOULD CO LTD

Dates

Publication Date
20230801
Application Date
20230309
Priority Date
20230309

Claims (7)

  1. 1. The utility model provides a plastic mould of convenient drawing of patterns, includes die holder (1), first electric putter (2) and upper die base (3), its characterized in that: the die comprises a die holder (1), a first electric push rod (2) is fixed at the corner position of the top end of the die holder (1), an upper die holder (3) is fixed at the top end of the first electric push rod (2), a die cavity (8) is arranged at the middle position of the top of the die holder (1), a buffer structure (7) is arranged at the corner position of the top of the die holder (1), and a built-in cavity (9) is arranged at the bottom end of the inside of the die holder (1); an extrusion structure (11) is arranged at the middle position of the bottom end of the built-in cavity (9), and guide structures (10) are fixed on two sides of the extrusion structure (11) at the bottom end of the built-in cavity (9); the feeding hopper (4) is fixed at the middle position of the top end of the upper die holder (3), a blanking pipe (5) is fixed at the bottom end of the feeding hopper (4) inside the upper die holder (3), the bottom end of the blanking pipe (5) is abutted to the top end of the die cavity (8), and exhaust holes (6) are formed in two sides of the blanking pipe (5) inside the upper die holder (3).
  2. 2. The plastic mold convenient for demolding as claimed in claim 1, wherein: buffer structure (7) are including movable groove (701), buffer spring (702), buffer board (703), reference column (704) and constant head tank (705), movable groove (701) set up in the corner position department at die holder (1) top, the inside of movable groove (701) all is provided with buffer spring (702), the top of buffer spring (702) all is provided with buffer board (703), the top of buffer board (703) all is fixed with reference column (704), constant head tank (705) set up in the corner position department of upper die base (3) bottom.
  3. 3. A plastic mold for facilitating demolding as claimed in claim 2, wherein: the top end of the positioning column (704) extends to the inside of the positioning groove (705), and the buffer plate (703) and the positioning column (704) form a telescopic structure through the buffer spring (702).
  4. 4. The plastic mold convenient for demolding as claimed in claim 1, wherein: the guide structure (10) comprises a guide column (1001), guide grooves (1002) and guide rods (1003), wherein the guide column (1001) is fixed on two sides of the extrusion structure (11) at the bottom end of the built-in cavity (9), the guide grooves (1002) are formed in the guide column (1001), and the guide rods (1003) are arranged in the guide grooves (1002).
  5. 5. The plastic mold convenient for demolding as claimed in claim 4, wherein: the top ends of the guide rods (1003) extend to the outside of the guide posts (1001) and are fixedly connected with the bottom ends of the movable plates (1102), and the guide rods (1003) and the guide posts (1001) form a sliding structure through the guide grooves (1002).
  6. 6. The plastic mold convenient for demolding as claimed in claim 1, wherein: the extrusion structure (11) comprises a second electric push rod (1101), a movable plate (1102), a movable rod (1103) and a top plate (1104), wherein the second electric push rod (1101) is fixed at the middle position of the bottom end of the built-in cavity (9), the movable plate (1102) is fixed at the top end of the second electric push rod (1101), guide rods (1003) are fixed at two sides of the top end of the movable plate (1102), and the top ends of the guide rods (1003) are extended to the bottom of the die cavity (8) and are fixed with the top plate (1104).
  7. 7. The plastic mold convenient for demolding as claimed in claim 6, wherein: the outer wall of one end, far away from the top plate (1104), of the movable rod (1103) is sleeved with a reset spring, and the movable rod (1103) is symmetrically distributed at the top end of the movable plate (1102).

Description

Plastic mold convenient for demolding Technical Field The utility model relates to the technical field of molds, in particular to a plastic mold convenient to demold. Background The mould is used for injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods to obtain various moulds and tools of the required products. Different moulds are composed of different parts, and a plastic mould which is convenient for demoulding is an important part; for this reason, the patent of publication number CN213291164U discloses a plastic mould of convenient drawing of patterns, including PMKD, PMKD's upper surface fixed mounting has the lower bolster, the upper surface of lower bolster is provided with the shaping module, the internal surface swing joint of shaping module has the drawing of patterns kicking block, the internal surface of shaping module is located the top position fixed mounting of drawing of patterns kicking block has two flexible connecting rods, the lower extreme surface fixedly connected with drawing of patterns spring of flexible connecting rod, PMKD's upper surface is located the equal fixed mounting in both sides position of lower bolster has the location guide pillar. The plastic mold convenient to demolding, which is disclosed by the utility model, belongs to the field of plastic molds, can be used for rapidly ejecting a product through the lifting of a forming module after the product is molded, is convenient for demolding, collecting and using of the injection molded product, and can be used for rapidly driving the mold to lift and reset through air pressure ejection when an upper mold plate is lifted, so that injection molding processing is faster; the plastic mold convenient to demolding is inconvenient to guide, and can easily horizontally move in the demolding process, so that the applicability of the plastic mold is low in use. Disclosure of Invention Technical problem to be solved The utility model aims to provide a plastic mold convenient to demolding, which is used for solving the defect that the existing plastic mold convenient to demolding is inconvenient to guide. Disclosure of Invention In order to solve the technical problems, the utility model provides the following technical scheme: the plastic mold comprises a lower mold base, a first electric push rod and an upper mold base, wherein the first electric push rod is fixed at the corner position of the top end of the lower mold base, the upper mold base is fixed at the top end of the first electric push rod, a mold cavity is arranged at the middle position of the top of the lower mold base, a buffer structure is arranged at the corner position of the top of the lower mold base, and a built-in cavity is arranged at the bottom end of the inside of the lower mold base; an extrusion structure is arranged at the middle position of the bottom end of the built-in cavity, and guide structures are fixed on two sides of the extrusion structure at the bottom end of the built-in cavity; the middle position department at upper die base top is fixed with the feeder hopper, the bottom mounting of the inside feeder hopper of upper die base has the blanking pipe, the bottom of blanking pipe is inconsistent with the top of die cavity, the both sides of the inside blanking pipe of upper die base all are provided with the exhaust hole. When the device is used, the guide structure is arranged, so that the function of the device for guiding conveniently is realized, and the applicability of the plastic mould in use is improved; by the aid of the buffer structure, the function of buffering convenience of the plastic mold is achieved, and therefore stability of the plastic mold in use is improved; through being provided with the extrusion structure, realized the device function of drawing of patterns of being convenient for to this plastic mould convenience when using has been improved. Preferably, the buffer structure comprises a movable groove, a buffer spring, a buffer plate, a positioning column and a positioning groove, wherein the movable groove is arranged at the corner position of the top of the lower die holder, the buffer spring is arranged in the movable groove, the buffer plate is arranged at the top end of the buffer spring, the positioning column is fixed at the top end of the buffer plate, and the positioning groove is arranged at the corner position of the bottom of the upper die holder. And starting the first electric push rod, wherein the first electric push rod can drive the upper die holder to move, and the positioning column can move to the inside of the positioning groove. Preferably, the top end of the positioning column extends to the inside of the positioning groove, and the buffer plate and the positioning column form a telescopic structure through a buffer spring. When one end of the positioning column is abutted against the positioning groove, the positioning column can drive the bu