Search

CN-121973413-A - Injection molding equipment for pesticide bottle

CN121973413ACN 121973413 ACN121973413 ACN 121973413ACN-121973413-A

Abstract

The application discloses injection molding equipment for pesticide bottles, and belongs to the technical field of injection molding equipment. The injection molding equipment for the pesticide bottle comprises a frame, a fixed die, a movable die and a core, wherein the fixed die is provided with a cooling pipeline, an injection molding assembly is arranged on the frame and used for injection molding of a pesticide bottle blank, a driving piece is arranged on the frame and used for driving the movable die to move, a resetting piece is arranged on the movable die and used for resetting the core, a vibrating piece is arranged on the driving piece and used for driving the core to vibrate, and an adjusting piece is used for adjusting the vibration amplitude of the vibrating piece, wherein the movable die, the fixed die and the core form a molding cavity, and when the movable die and the fixed die are matched, the injection molding assembly charges the molding cavities of the movable die and the fixed die, and the vibrating piece drives the core to vibrate so as to enable the plastic melt to flow uniformly. The injection molding equipment for the pesticide bottle has the beneficial effects of providing injection molding equipment for improving quality.

Inventors

  • LI ZHIJUN
  • DAI LIHONG

Assignees

  • 杭州振新包装有限公司

Dates

Publication Date
20260505
Application Date
20260320

Claims (10)

  1. 1. An injection molding apparatus for a pesticide bottle, comprising: The device comprises a frame (101), a fixed die (102), a movable die (103) and a core (104), wherein the fixed die (102) is provided with a cooling channel (102 a); The method is characterized in that: the injection molding device for the pesticide bottle further comprises: the injection molding assembly is arranged on the frame (101) and is used for injection molding of pesticide bottle blanks; the driving piece is arranged on the frame (101) and used for driving the movable die (103) to move; the resetting piece is arranged on the movable mould (103) and is used for resetting the core (104); a vibrating member mounted to the driving member for driving the core (104) to vibrate; the adjusting piece is used for adjusting the vibration amplitude of the vibrating piece; The injection molding machine comprises a movable mold (103), a fixed mold (102) and a mold core (104), wherein the movable mold (103), the fixed mold (102) and the mold core (104) form a molding cavity (102 b), when the movable mold (103) and the fixed mold (102) are assembled, the molding cavity (102 b) is filled with the injection molding assembly, the mold core (104) is driven by a vibrating piece to vibrate so as to enable plastic melt to flow uniformly, when the molding cavity (102 b) is pressurized, the molding cavity (102 b) is fed with the injection molding assembly, the vibrating piece reduces the vibration amplitude of the vibrating piece, the vibrating piece is simultaneously compacted while the molding cavity (102 b) is fed with the plastic melt, the uniform wall thickness of a pesticide bottle blank is ensured, and when the injected plastic melt is cooled and molded through a cooling channel (102 a), the vibrating piece reduces the vibration amplitude of the vibrating piece, so that internal stress is released, and the deformation of the pesticide bottle blank is prevented.
  2. 2. The injection molding apparatus for an agricultural bottle according to claim 1, wherein: The driving member includes: The hydraulic cylinder (105) is fixedly connected with the frame (101); The push plate (106) is fixedly connected with the piston of the hydraulic cylinder (105); The two ends of the connecting column (107) are fixedly connected with the push plate (106) and the movable die (103) respectively; The movable mold (103) is horizontally and slidably connected with the frame (101), the mold core (104) is horizontally and slidably connected with the movable mold (103), and the fixed mold (102) is fixedly connected with the frame (101).
  3. 3. The injection molding apparatus for an agricultural bottle according to claim 2, wherein: The vibrating member includes: The fixing frame (108) is fixedly connected with the push plate (106); The first rotating disc (109) is rotationally connected with the fixed frame (108); The first motor (110) is fixedly connected with the fixed frame (108), and the output shaft of the first motor is fixed with the first rotating disc (109); the first sliding block (112) is radially and slidably connected with the first rotating disc (109); the driving block (113) is fixedly connected with the first sliding block (112); the transmission plate (114) is fixedly connected with the mold core (104); the transmission plate (114) is abutted with the driving block (113).
  4. 4. An injection molding apparatus for agricultural bottles as claimed in claim 3 wherein: the first rotary table (109) is provided with a first chute (109 a) extending along the radial direction of the first rotary table (109); the first slider (112) moves along the first slide groove (109 a).
  5. 5. The injection molding apparatus for an agricultural bottle according to claim 4, wherein: The first turntable (109) comprises a clearance groove (109 b); The empty avoidance groove (109 b) is used for the driving block (113) to pass through.
  6. 6. The injection molding apparatus for an agricultural bottle according to claim 5, wherein: The adjusting member includes: The second motor (119) is fixedly connected with the first rotating disc (109); A guide disc (120) rotatably connected to the first rotating disc (109); The transmission column (121) is fixedly connected with the first sliding block (112); A first gear (122) fixedly connected to a drive shaft of the second motor (119); the second gear (123) is rotationally connected with the guide disc (120) and is meshed with the first gear (122); The guide plate (120) comprises a guide groove (120 a), and the guide plate (120) drives the driving block (113) to move through the guide groove (120 a) so as to adjust the position of the driving block (113) and further adjust the vibration amplitude of the core (104).
  7. 7. The injection molding apparatus for an agricultural bottle according to claim 6, wherein: the reset piece includes: the first guide post (115) is fixedly connected with the movable die (103); The upper limit plate (116) is fixedly connected with the first guide post (115); the first spring (117) is sleeved on the first guide post (115), and two ends of the first spring are fixedly connected with the transmission plate (114) and the movable die (103) respectively; The lower limit column (118) is fixedly connected with the movable mould (103).
  8. 8. The injection molding apparatus for an agricultural bottle according to claim 7, wherein: The upper limiting plate (116) is located above the transmission plate (114), and the lower positioning column is located below the transmission plate (114).
  9. 9. The injection molding apparatus for an agricultural bottle according to claim 2, wherein: the movable die (103) comprises a first guide hole (103 a); The core (104) is partially located in the first guide hole (103 a) and moves along the axial direction of the first guide hole (103 a).
  10. 10. The injection molding apparatus for an agricultural bottle according to claim 1, wherein: The cooling channel (102 a) is of a spiral structure.

Description

Injection molding equipment for pesticide bottle Technical Field The application relates to the technical field of injection molding equipment, in particular to injection molding equipment for pesticide bottles. Background The pesticide bottle is a core carrier for pesticide storage, transportation and use, is prepared by injection molding process by using high polymer materials such as HDPE and the like, and gradually becomes an important choice for high-end pesticide packaging by virtue of the advantages of high molding precision, good product consistency and the like. The pesticide bottle is prepared through injection molding to form pesticide bottle blank, heating, blowing and cooling. However, the existing injection molding equipment is difficult to match with the severe requirements of pesticide bottles, and has the problems of obvious shortboards, namely a mold filling stage, uneven melt flow, easy initiation of shortshots, obvious welding lines, large wall thickness deviation and the like, particularly, low-fluidity raw materials are easier to generate filling defects to influence the sealing and corrosion resistance of the bottles, constant pressure feeding is adopted in a pressure maintaining stage, the constant pressure feeding cannot be adapted to the dynamic shrinkage of the melt, so that shrinkage marks, shrinkage holes and residual stress are overlarge, the sealing property and impact resistance of the bottles are weakened, the cooling stage is in a static mode, the melt solidification is uneven, internal stress is easy to generate, the bottles warp and deform, the dimensional stability is reduced, the service life is prolonged, and the quality of pesticide bottle blanks is lower. Thus, an injection molding apparatus for pesticide bottles with improved quality is provided. Disclosure of Invention The summary of the application is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. The summary of the application is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter. In order to solve the technical problems mentioned in the background art section, some embodiments of the application provide injection molding equipment for pesticide bottles, which comprises a frame, a fixed die, a movable die and a core, wherein the fixed die is provided with a cooling channel, an injection molding assembly is arranged on the frame and used for injection molding of pesticide bottle blanks, a driving piece is arranged on the frame and used for driving the movable die to move, a reset piece is arranged on the movable die and used for resetting the core, a vibrating piece is arranged on the driving piece and used for driving the core to vibrate, and an adjusting piece is used for adjusting the vibration amplitude of the vibrating piece, wherein the movable die, the fixed die and the core form a molding cavity. When the molding cavity is pressurized, the vibration amplitude of the vibration piece is reduced when the molding component supplements the molding cavity, so that the plastic melt in the molding cavity is pressurized, the uniform wall thickness of the pesticide bottle blank is ensured, the vibration amplitude of the vibration piece is reduced when the injected plastic melt is cooled and molded through the cooling channel, and the internal stress is released through small amplitude, so that the deformation of the pesticide bottle blank is prevented, and the quality of the pesticide bottle blank is ensured. The driving piece comprises a hydraulic cylinder, a push plate, a connecting column, a movable mould, a core and a fixed mould, wherein the cylinder body of the hydraulic cylinder is fixedly connected with the frame, the push plate is fixedly connected with a piston of the hydraulic cylinder, the two ends of the connecting column are respectively fixedly connected with the push plate and the movable mould, the movable mould is horizontally and slidably connected with the frame, the core is horizontally and slidably connected with the movable mould, and the fixed mould is fixedly connected with the frame. The vibrating piece comprises a fixed frame fixedly connected with the push plate, a first rotary table rotatably connected with the fixed frame, a first motor fixedly connected with the fixed frame, an output shaft of the first motor fixedly connected with the first rotary table, a first sliding block radially and slidably connected with the first rotary table, a driving block fixedly connected with the first sliding block, a transmission plate fixedly connected with the core, and the transmission plate is abutted with the driving block. Further, the first rotating disc is provided with a first sliding groove extending along the radial direction of the first rotating disc, and the first sliding block moves along