CN208052486U - A kind of band side opening plastic part injection molding lower die - Google Patents

Abstract

The utility model is related to a kind of band side opening plastic part injection molding lower dies, including lower mould bottom plate, lower mold fixed plate, lower template, lower template top center is equipped with mold core cavities, mold core ontology is equipped in mold core cavities, core pulling guide hole is equipped in mold core ontology, core pulling stick is equipped in core pulling guide hole, core pulling nose is equipped with core pulling head, core pulling head stretches out mold core ontology under lower die molding state, mold core body bottom portion is equipped with sliding chamber, sliding intracavitary is equipped with slide block assembly, mold core ontology and lower template on rear side of sliding chamber are equipped with driving guide hole, it drives and is equipped with driving column in guide hole, driving column front end is connect with slide block assembly tail end, core pulling cylinder is equipped on rear side of lower template, slide block assembly front end is equipped with driving sliding slot, core pulling stick tail portion and driving sliding slot cooperation.Inclined driving sliding slot coordinates with core pulling stick on front side of slide block assembly in the utility model, convenient for carrying out core pulling to the mold core of differing tilt angles, is convenient for the arrangement of core pulling cylinder, low to pore-forming status requirement.

Description

A kind of band side opening plastic part injection molding lower die

Technical field

The utility model is related to injection mold, more particularly to a kind of band side opening plastic part injection molding lower die.

Background technology

Product of the plastic part as common material, the mode of the injection molding of generally use is produced in production of plastics parts, The plastic master batch of melting is injected into the die cavity of injection mold when production, for usually being needed when the more complicated plastic part of structure Some resigning core-pulling mechanisms are wanted, such as need some core-pulling mechanisms, existing tube bundle extracting machine on the plastic part that some sides are equipped with counterbore Structure generally use cylinder directly drives core pulling stick, and such mode is high to core-drawing hole status requirement, it is difficult to be laid out.

Utility model content

In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of band side opening plastic part injection molding lower die.

Technical solution adopted by the utility model to solve its technical problems is：Under a kind of injection molding of band side opening plastic part is used Mould, including lower mould bottom plate, be arranged at the top of the lower mould bottom plate lower mold fixed plate, be arranged at the top of the lower mold fixed plate Lower template, the lower template top center are equipped with mold core cavities, mold core ontology, the mold core bodies top are equipped in the mold core cavities It is equipped with forming surface with front side, core pulling guide hole is equipped in the mold core ontology, the core pulling guide hole is from front side of the mold core ontology Extend on rear side of to the mold core ontology, the core pulling stick slided along the core pulling guide hole axis direction be equipped in the core pulling guide hole, The core pulling nose is equipped with core pulling head, and the core pulling head stretches out the mold core ontology, the mold core under lower die molding state Body bottom portion is equipped with sliding chamber, and the sliding intracavitary is equipped with the slide block assembly slid back and forth along the sliding chamber, the mould on rear side of the sliding chamber Core ontology and lower template are equipped with driving guide hole, and the driving slid back and forth along the driving guide hole is equipped in the driving guide hole Column, the driving column front end are connect with the slide block assembly tail end, and the lower template, the lower die are stretched out in the driving column tail portion Core pulling cylinder is equipped on rear side of plate, the cylinder rod of the core pulling cylinder is connect with the driving column tail end, the slide block assembly front end Equipped with driving sliding slot, the driving sliding slot extends from slide block assembly top surface tail portion to the slide block assembly bottom front, institute Core pulling stick tail portion is stated with the driving sliding slot to coordinate.

Inclined driving sliding slot coordinates with core pulling stick on front side of slide block assembly in above-mentioned design, convenient for differing tilt angles Mold core carries out core pulling, is convenient for the arrangement of core pulling cylinder, low to pore-forming status requirement.

As being further improved for the design, the driving sliding slot is T-slot, and core pulling stick tail portion is equipped with and the T The T-type sliding block of type groove cooperation, convenient for smoothly ejecting core pulling stick and drawing back core pulling stick, the flexible reliability of core pulling stick is high.

As being further improved for the design, the sliding top of chamber and sliding bottom of chamber portion are equipped with and coordinate with the slide block assembly Guide plate, slide block assembly operation it is smooth, abrasion it is small.

As being further improved for the design, the driving sliding slot axis forward direction and the driving rod axis are forwards It it is 60 ° to angle, core pulling stick stretches smooth, effectively avoids core pulling stick stuck.

As being further improved for the design, the slide block assembly includes link block, is connect with link block front side Drive block, the link block front side and drive block rear side are equipped with the U-shaped hook mutually linked, are conveniently adjusted the flexible row of core pulling stick Journey is applicable in the molding in different depth hole, convenient for improving the precision that repairs a die.

As being further improved for the design, the driving column tail end is equipped with the detection bar to extend back, the lower template It is equipped with the detection sensor coordinated with the detection bar, whether in place convenient for detection core pulling stick.

As being further improved for the design, the detection sensor is contact switch, at low cost.

As being further improved for the design, the core pulling stick is bonded one side with the driving sliding slot and is equipped with lubrication net slot, Mitigate the abrasion of core pulling stick end.

As being further improved for the design, the core pulling stick is equipped with the stop extended along the core pulling stick axis direction Plane, the rotation of effective means core pulling stick prevent core pulling stick tail portion and driving sliding slot stuck.

The utility model has the beneficial effects that：The inclined driving sliding slot in slide block assembly front side and core pulling stick in the utility model Cooperation is convenient for the arrangement of core pulling cylinder convenient for carrying out core pulling to the mold core of differing tilt angles, low to pore-forming status requirement.

Description of the drawings

The utility model is further illustrated with reference to the accompanying drawings and examples.

Fig. 1 is the dimensional structure diagram of the utility model.

Fig. 2 is the diagrammatic cross-section of the utility model.

Fig. 3 is the core pulling rod drive mechanism schematic diagram of the utility model.

1. lower mould bottom plate in figure, 2. lower mold fixed plates, 3. lower templates, 4. mold core ontologies, 5. core pulling cylinders, 6. detections pass Sensor, 7. detection bars, 8. driving guide holes, 9. driving columns, 10. forming surfaces, 11. core pulling sticks, 12. slide chamber, and 13. guide plates, 14. take out Core print, 15. driving sliding slots, 16. drive blocks, 17. link blocks, 18.U type hooks, 19. mold core cavities, 20. core pulling guide holes, 21. stop are flat Face.

Specific implementation mode

Be described in detail the utility model below in conjunction with attached drawing and specific embodiment, illustrative examples therein with And explanation is only used for explaining the utility model, but be not intended to limit the scope of the present invention.

Embodiment：A kind of band side opening plastic part injection molding lower die, including lower mould bottom plate 1, setting are pushed up in the lower mould bottom plate 1 The lower mold fixed plate 2 in portion, the lower template 3 being arranged at the top of the lower mold fixed plate 2,3 top center of the lower template are equipped with mould Core cavity 19, the mold core cavities 19 are interior to be equipped with mold core ontology 4, and 4 top of the mold core ontology and front side are equipped with forming surface 10, described Core pulling guide hole 20 is equipped in mold core ontology 4, after the core pulling guide hole 20 is from 4 front side of the mold core ontology to the mold core ontology 4 Side extends, and the core pulling stick 11 slided along 20 axis direction of core pulling guide hole, the core pulling stick are equipped in the core pulling guide hole 20 11 front ends are equipped with core pulling head 14, and the core pulling head 14 stretches out the mold core ontology 4, the mold core ontology under lower die molding state 4 bottoms are equipped with sliding chamber 12, and the slide block assembly slid back and forth along the sliding chamber 12,12 rear side of the sliding chamber are equipped in the sliding chamber 12 Mold core ontology 4 and lower template 3 be equipped with driving guide hole 8, be equipped in the driving guide hole 8 and slided before and after the driving guide hole 8 Dynamic driving column 9,9 front end of driving column are connect with the slide block assembly tail end, and the lower die is stretched out in 9 tail portion of driving column Plate 3,3 rear side of the lower template are equipped with core pulling cylinder 5, and the cylinder rod of the core pulling cylinder 5 is connect with 9 tail end of driving column, The slide block assembly front end is equipped with driving sliding slot 15, and the driving sliding slot 15 is from slide block assembly top surface tail portion to the sliding block Component bottom front end extends, and 11 tail portion of core pulling stick coordinates with the driving sliding slot 15.

Inclined driving sliding slot 15 coordinates with core pulling stick 11 on front side of slide block assembly in above-mentioned design, convenient for different inclination angle The mold core of degree carries out core pulling, is convenient for the arrangement of core pulling cylinder 5, low to pore-forming status requirement.

As being further improved for the design, the driving sliding slot 15 is T-slot, and 11 tail portion of core pulling stick is equipped with and institute The T-type sliding block for stating T-slot cooperation, convenient for smoothly ejecting core pulling stick 11 and drawing back core pulling stick 11, the flexible reliability of core pulling stick 11 It is high.

As being further improved for the design, 12 top of the sliding chamber and 12 bottom of sliding chamber are equipped with and the slide block assembly The guide plate 13 of cooperation, slide block assembly operation is smooth, and abrasion is small.

As being further improved for the design, the 15 axis forward direction of driving sliding slot and the driving rod axis are forward Angular separation is 60 °, and core pulling stick 11 stretches smooth, effectively avoids core pulling stick 11 stuck.

As being further improved for the design, the slide block assembly includes link block 17, connects with 17 front side of the link block The drive block 16 connect, 17 front side of the link block and 16 rear side of the drive block are equipped with the U-shaped hook 18 mutually linked, are conveniently adjusted Core pulling stick 11 stretches stroke, is applicable in the molding in different depth hole, convenient for improving the precision that repairs a die.

As being further improved for the design, driving 9 tail end of column is equipped with the detection bar 7 to extend back, the lower die In place whether plate 3 is equipped with the detection sensor 6 coordinated with the detection bar 7, convenient for detection core pulling stick 11.

As being further improved for the design, the detection sensor 6 is contact switch, at low cost.

As being further improved for the design, the core pulling stick 11 is bonded one side with the driving sliding slot 15 and is equipped with lubrication net Slot mitigates the abrasion of 11 end of core pulling stick.

As being further improved for the design, the core pulling stick 11, which is equipped with, to be extended along 11 axis direction of core pulling stick Stop surfaces 21, effective means core pulling stick 11 rotate, and prevent 11 tail portion of core pulling stick and driving sliding slot 15 stuck.

The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other related technical areas are equally included in the patent within the scope of the utility model.

Claims (9)

1. a kind of band side opening plastic part injection molding lower die, which is characterized in that including lower mould bottom plate, be arranged on the lower mould bottom plate top The lower mold fixed plate in portion, the lower template being arranged at the top of the lower mold fixed plate, the lower template top center are equipped with mold core cavities, Mold core ontology is equipped in the mold core cavities, the mold core bodies top and front side are equipped with forming surface, are set in the mold core ontology There is core pulling guide hole, the core pulling guide hole is from front side of the mold core ontology to extension on rear side of the mold core ontology, the core pulling guide hole It is interior equipped with the core pulling stick slided along the core pulling guide hole axis direction, the core pulling nose is equipped with core pulling head, the core pulling head The mold core ontology is stretched out under lower die molding state, the mold core body bottom portion is equipped with sliding chamber, and the sliding intracavitary is equipped with along institute The slide block assembly that sliding chamber slides back and forth is stated, the mold core ontology and lower template on rear side of the sliding chamber are equipped with driving guide hole, the drive The driving column slid back and forth along the driving guide hole is equipped in dynamic guide hole, the driving column front end connects with the slide block assembly tail end It connects, the lower template is stretched out in the driving column tail portion, and core pulling cylinder, the cylinder of the core pulling cylinder are equipped on rear side of the lower template Bar is connect with the driving column tail end, and the slide block assembly front end is equipped with driving sliding slot, and the driving sliding slot is from the sliding block group Part top surface tail portion extends to the slide block assembly bottom front, and core pulling stick tail portion coordinates with the driving sliding slot.

2. a kind of band side opening plastic part injection molding lower die according to claim 1, characterized in that the driving sliding slot is T Type groove, core pulling stick tail portion are equipped with the T-type sliding block coordinated with the T-slot.

3. a kind of band side opening plastic part injection molding lower die according to claim 1, characterized in that the sliding top of chamber and cunning Bottom of chamber portion is equipped with the guide plate coordinated with the slide block assembly.

4. a kind of band side opening plastic part injection molding lower die according to claim 1, characterized in that the driving sliding slot axis Forward direction and the driving rod axis forward direction angle are 60 °.

5. a kind of band side opening plastic part injection molding lower die according to claim 1, characterized in that the slide block assembly includes Link block, the drive block being connect with link block front side, the link block front side and drive block rear side are equipped with mutual hook U-shaped hook even.

6. a kind of band side opening plastic part injection molding lower die according to claim 1, characterized in that the driving column tail end is set There are the detection bar to extend back, the lower template to be equipped with the detection sensor coordinated with the detection bar.

7. a kind of band side opening plastic part injection molding lower die according to claim 6, characterized in that the detection sensor is Contact switch.

8. a kind of band side opening plastic part injection molding lower die according to claim 1, characterized in that the core pulling stick with it is described Sliding slot fitting one side is driven to be equipped with lubrication net slot.

9. a kind of band side opening plastic part injection molding lower die according to claim 1, characterized in that the core pulling stick is equipped with The stop surfaces extended along the core pulling stick axis direction.