CN203637097U

CN203637097U - Plastic mould capable of pushing product out by fixed mould

Info

Publication number: CN203637097U
Application number: CN201320873726.7U
Authority: CN
Inventors: 许斌
Original assignee: DALIAN LUANYI PRECISION MOULD MANUFACTURING Co Ltd
Current assignee: DALIAN LUANYI PRECISION MOULD MANUFACTURING Co Ltd
Priority date: 2013-12-29
Filing date: 2013-12-29
Publication date: 2014-06-11
Anticipated expiration: 2023-12-29

Abstract

The utility model discloses a plastic mould capable of pushing a product out by a fixed mould, belonging to the field of hot forming moulds. The plastic mould is characterized in that the interior structure comprises fixed mould inserts, a movable mould insert, a wedge block A, a wedge block B, a drill key, a fixed mould slide block A, a fixed mould slide block B and a movable mould slide block, wherein all the components are connected in the following way, the wedge blocks are in planar fit with the fixed mould inserts and the fixed mould slide blocks, the drill key is in conical surface fit with the movable mould slide block, the fixed mould slide blocks are in planar fit with a push plate, the fixed mould inserts and installation blocks of the fixed mould inserts, the fixed mould inserts are in clearance fit with the push plate and are in planar fit with the installation blocks of the fixed mould inserts; in the mould opening process, the wedge blocks are separated from the fixed mould slide blocks and the fixed mould inserts and slide under the action of spring tension so as to go away from a reverse buckle in the inner cavity of the product; the drill key is separated from the conical surface of the movable mould slide block and slides under the action of spring tension so as to go away from a reverse buckle on the outer wall of the product, the push plate pushes the product out; due to the cooperation of inner pull rods, a spring and shoulder bolts, the plastic mould pushes the product out by the fixed mould, so that the appearance of the plastic product is smooth, the mould structure is simplified, and the production efficiency is improved.

Description

A kind of mould of plastics of releasing product by cover half

Technical field

The invention belongs to thermoplastic plastics shaping mould applications, relate to and a kind ofly release the mould of plastics of product by cover half, be mainly used in product appearance and require strictly not admit of and eject vestige, and in mould with back-off.

Background technology

Thermoplastic injection molding is by molten plastic material, then be injected into mold cavity, the plastics of melting enter in mould, catch a cold and be molded into definite shape, strictly do not admit of and eject vestige for appearance requirement at present, and with the mould of back-off, the general mechanism that adopts oblique top moulding back-off part and dynamic model pushing block to release product, mould parts that this mechanism need to match is many and tolerance is tight, the die space needing is large, add man-hour difficulty large, expense is high, when assembling, adjust oblique top and pushing block height difficulty, increase the workload of pincers worker, when plastic product volume production, oblique top is easily pulled, pushing block is difficult to ensure that product appearance is without scuffing, both increased the manufacturing cost of mould, affect again product quality.

Summary of the invention

The present invention wants technical solution problem to be to provide and a kind ofly releases the mould of plastics of product by cover half, solves in appearance requirement and does not strictly admit of the problem existing in ejecting vestige and the product with back-off.

Technical scheme of the present invention is that the mould bases of this mould comprises: fixed clamping plate 1, stripper plate 2, solid plate 3, push pedal 4, moving platen 5, backing plate A6, backing plate B7, moving clamping plate 8, internal structure comprises: cover half slide block A9, dynamic model slide block 10, cover half slide block B 11, drift 12, wedge block A13, wedge block B14, Angle Pin 15, fixed die insert A16, fixed die insert B17, moving die insert 18, fixed die insert mounting blocks 19, draw-in bar 20, shouldered tap bolt B21, outer arm-tie 22, Angle Pin pressing plate 23, baffle plate A24, baffle plate B25, pressing plate A26, pressing plate B27, shouldered tap bolt A28, shouldered tap bolt C29, spring A30, spring C31, baffle plate C32, spring B 33, pressing plate C34, spring D35, dogbolt 36, outer spring bar 37, outer spring baffle plate A38, outer spring baffle plate B39, spring E40,

Drift 12, wedge block A 13 and wedge block B 14 are also spacing for face coordinates with fixed clamping plate 1, by bolt-locking fixing; Wedge block A 13 and wedge block B 14 and stripper plate 2 and solid plate 3 matched in clearance, wedge block A 13 is provided with four inclined-planes, and wherein three inclined-planes coordinate with fixed die insert A16 face, plays spacing and positioning action, the 4th inclined-plane is that face coordinates with cover half slide block A9, plays position-limiting action; Wedge block B 14 is provided with four inclined-planes, and wherein three inclined-planes coordinate with fixed die insert B17 face, plays spacing and positioning action, and the 4th inclined-plane coordinates with 11 of cover half slide block B, plays position-limiting action; Drift 12 and stripper plate 2, solid plate 3, cover half slide block A9 and push pedal 4 matched in clearance, the resigning hole top of cover half slide block A9 is provided with chamfering, drift 12 bottoms are provided with the conical surface, and dynamic model slide block 10 tops are provided with taper hole, and the conical surface contacts with taper hole face and plays guiding and wedge action; Angle Pin 15 is connected with fixed clamping plate 1 hanging platform, face contact is also spacing, and Angle Pin pressing plate 23 contacts with 15 of Angle Pins and be spacing, is fixed on fixed clamping plate 1 by bolt-locking, Angle Pin 15 and stripper plate 2 and solid plate 3 matched in clearance, Angle Pin 15 and cover half slide block B 11 matched in clearance; Baffle plate A24 coordinates with 3 of solid plates, fixes by bolt-locking, and shouldered tap bolt A28 and baffle plate A24 matched in clearance, shouldered tap bolt A28 is threaded with cover half slide block A9; It is upper that spring A30 is enclosed within shouldered tap bolt A28, coordinates with cover half slide block A9 and baffle plate A24 face; Baffle plate B25 coordinates with 3 of solid plates, fixes by bolt-locking, and spring B 33 coordinates with baffle plate B25 and 11 of cover half slide block B; Cover half slide block A9 coordinates with 3 of solid plates, cover half slide block A9 is connected with pressing plate A26 hanging platform and face coordinates, fix by bolt-locking, cover half slide block A9 is provided with a portion and forming part two parts, seat portion coordinates with 4 of push pedals and is spacing, forming part and fixed die insert A16 and fixed die insert mounting blocks 19 are faced directly and are coordinated and spacing, and forming part coordinates also spacing with wedge block A13 inclined-plane; Cover half slide block B 11 coordinates with 3 of solid plates, cover half slide block B 11 is connected with pressing plate B27 hanging platform and face coordinates, fix by bolt-locking, cover half slide block B 11 is provided with a portion and forming part two parts, seat portion coordinates with 4 of push pedals and is spacing, forming part and fixed die insert B17 and fixed die insert mounting blocks 19 are faced directly and are coordinated and spacing, and forming part coordinates also spacing with wedge block B14 inclined-plane; Fixed die insert A16 and fixed die insert B17 face coordinate, fixed die insert A16 and fixed die insert B17 and push pedal 4 matched in clearance, the side of fixed die insert A16 and fixed die insert B17 coordinates with 19 of fixed die insert mounting blocks and is spacing, the bottom surface of fixed die insert A16 and fixed die insert B17 coordinates with 3 of solid plates, fixes by bolt-locking; Fixed die insert mounting blocks 19 coordinates with 4 of push pedals, by bolt fixed lock; The side of moving die insert 18 coordinates with 5 of moving platens, and the bottom surface of moving die insert 18 coordinates with backing plate A6 face, fixes by bolt-locking; The bottom surface of dynamic model slide block 10 coordinates with 5 of moving platens, and the side of dynamic model slide block 10 coordinates and is connected by hanging platform with pressing plate C34 face, fixes by bolt-locking; Baffle plate C32 coordinates with 5 of moving platens, fixes by bolt-locking; The upper cover of shouldered tap bolt C29 has spring C31, with baffle plate C32 matched in clearance, is threaded with dynamic model slide block 10; Shouldered tap bolt B21 and fixed clamping plate 1, stripper plate 2 and solid plate 3 matched in clearance, be threaded with push pedal 4; Dogbolt 36 and fixed clamping plate 1 and stripper plate 2 matched in clearance, be threaded with draw-in bar 20; Spring D35 coordinates with

stripper plate

2 and 3 of solid plates, with draw-in bar 20 matched in clearance; Draw-in bar 20 and backing plate B7, backing plate A6, moving platen 5, push pedal 4 and solid plate 3 and stripper plate 2 matched in clearance; Outer spring bar 37 is connected with outer spring baffle plate A38 hanging platform, locates outer spring bar 37 and outer spring baffle plate B39 matched in clearance by side jackscrew; Outer spring baffle plate A38 coordinates with 2 of stripper plates, fixes by bolt-locking; Outer spring baffle plate B39 coordinates with 3 of solid plates, fixes by bolt-locking; Spring E40 and outer spring bar 37 matched in clearance, coordinate with outer spring baffle plate A38 and outer spring baffle plate B39 face.

When die sinking, wedge block A13 separates with fixed die insert A16 with cover half slide block A9, and under the effect of spring A30 tension force, cover half slide block A9 slides, and deviates from the back-off of product cavity; Wedge block B14 separates with fixed die insert B17 with cover half slide block B 11, and under the effect of spring B 33 tension force, cover half slide block B 11 is slided, and deviates from the back-off of product cavity; Drift 12 separates with dynamic model slide block 10 conical surfaces; in the effect lower slider of spring C31 elastic force; by baffle plate, C32 is spacing, deviates from the back-off of product outer wall, and now product can be stayed on fixed die insert A16 and fixed die insert B17; after the hanging platform face of draw-in bar 20 contacts with 3 of solid plates; solid plate 3 separates with push pedal 4, and after 3 of hanging platform face and the solid plates of shouldered tap bolt B21 contact, solid plate 3 is relative static with push pedal 4 positions; product is released in push pedal 4, has realized cover half and has released product.

When matched moulds, after the conical surface of drift 12 bottoms contacts with the fillet surface of cover half slide block A9 end face, guiding cover half slide block A9 slides, and drift 12 is by after the resigning hole of cover half slide block A9, the conical surface of its bottom and dynamic model slide block 10 top cone plane-plane contacts, guiding wedging dynamic model slide block 10 also reset; Wedging spacing after wedge block A13 contacts with cover half slide block A9 face, wedge block A13 contacts and locates with fixed die insert A16 face simultaneously; Angle Pin 15 bottom spheres contact and lead with 11 of cover half slide block B, wedging spacing after wedge block B14 contacts with 11 of cover half slide block B, and wedge block B14 contacts and locates with fixed die insert B17 face simultaneously, and matched moulds completes.

The invention has the beneficial effects as follows: deviate from product by fixed mold push plate, simplified mould structure, ensured the bright and clean traceless requirement of product appearance, reduced fraction defective, reduced production cost.

Brief description of the drawings

Below in conjunction with accompanying drawing, illustrate with embodiment.

Fig. 1 is the schematic diagram one of mold mechanism.

Fig. 2 is the schematic diagram two of mold mechanism.

Fig. 3 is the schematic diagram one of die opening state.

Fig. 4 is the schematic diagram two of die opening state.

Fig. 5 is that three-dimensional is analysed and observe intraware schematic diagram.

In figure: 1 fixed clamping plate; 2 stripper plates; 3 solid plates; 4 push pedals; 5 moving platens; 6 backing plate A; 7 backing plate B; 8 moving clamping plates; 9 cover half slide block A; 10 dynamic model slide blocks; 11 cover half slide block B; 12 drifts; 13 wedge block A; 14 wedge block B; 15 Angle Pins; 16 fixed die insert A; 17 fixed die insert B; 18 moving die inserts; 19 fixed die insert mounting blocks; 20 draw-in bars; 21 shouldered tap bolt B; 22 outer arm-ties; 23 Angle Pin pressing plates; 24 baffle plate A; 25 baffle plate B; 26 pressing plate A; 27 pressing plate B; 28 shouldered tap bolt A; 29 shouldered tap bolt C; 30 spring A; 31 spring C; 32 baffle plate C; 33 spring B; 34 pressing plate C; 35 spring D; 36 dogbolts; 37 outer spring bars; 38 outer spring baffle plate A; 39 outer spring baffle plate B; 40 spring E.

Detailed description of the invention

Describe the specific embodiment of invention in detail below in conjunction with technology word and accompanying drawing.

The assembling process of mould: drift 12, wedge block A 13 and wedge block B 14 are arranged on fixed clamping plate 1, by bolt-locking fixing; Angle Pin 15 is arranged on fixed clamping plate 1, and Angle Pin pressing plate 23 is arranged on fixed clamping plate 1 and contacts with Angle Pin 15 end faces, fixes by bolt-locking; Wedge block A 13 coordinates with fixed die insert A16 and cover half slide block A9 face; Wedge block B 14 coordinates with fixed die insert B17 and 11 of cover half slide block B; Baffle plate A24 and baffle plate B25 are arranged on solid plate 3, fix by bolt-locking, and shouldered tap bolt A28 is threaded with cover half slide block A9 through baffle plate A24 and spring A30; Spring B 33 is arranged in the blind hole between baffle plate B25 and cover half slide block B 11; Cover half slide block A9, fixed die insert A16, cover half slide block B 11 and fixed die insert B17 are arranged in fixed die insert mounting blocks 19, and fixed die insert mounting blocks 19 is arranged in push pedal 4, fixes by bolt-locking; Pressing plate A26 is arranged on solid plate 3, coordinates with cover half slide block A9 face, fixes by bolt-locking; Pressing plate B27 is arranged on solid plate 3, coordinates with 11 of cover half slide block B, fixes by bolt-locking; Fixed die insert A16 and fixed die insert B17 coordinate with 3 of solid plates, fix by bolt-locking; Moving die insert 18 is arranged in moving platen 5, and moving die insert 18 coordinates with backing plate A6 face, fixes by bolt-locking; Dynamic model slide block 10 and pressing plate C34 are arranged in moving platen 5, and pressing plate C34 and dynamic model slide block 10 closely cooperate, and fix by bolt-locking; Baffle plate C32 is arranged on moving platen 5, fixes by bolt-locking; Shouldered tap bolt C29 cover has spring C31, through baffle plate C32, is threaded with dynamic model slide block 10; Shouldered tap bolt B21 is threaded with push pedal 4 through fixed clamping plate 1, stripper plate 2 and solid plate 3;

Dogbolt 36 is through fixed clamping plate 1 and stripper plate 2, draw-in bar 20 is through backing plate B7, backing plate A6, moving platen 5, push pedal 4 and solid plate 3, spring D35 is arranged in the blind hole of solid plate 3, dogbolt 36 is threaded with draw-in bar 20, it is upper that outer spring bar 37 is arranged on outer spring baffle plate A38, is screwed into jackscrew location; Outer spring baffle plate B39 is arranged on solid plate 3, fixes by bolt-locking; Outer spring bar 37 first, through passing outer spring baffle plate B39 after spring E40, is locked outer spring baffle plate A38 on stripper plate 2 by bolt; Two bolts are threaded with push pedal 4 through 22, one bolts of outer arm-tie, and another bolt is threaded with moving platen 5.

When die sinking, under the effect of spring E40 and spring D35 tension force, flitch 2 and solid plate 3 flick at first, after the hanging platform face of dogbolt 36 contacts with 1 of fixed clamping plate, fixed clamping plate 1 separates with stripper plate 2, push pedal 4 separates with moving platen 5, and outer arm-tie 22 is opened apart from spacing through row push pedal 4 and moving platen 5; Wedge block A13 separates with fixed die insert A16 with cover half slide block A9, and under the effect of spring A30 tension force, cover half slide block A9 slides, and deviates from the back-off of product cavity; Wedge block B14 separates with fixed die insert B17 with cover half slide block B 11, and under the effect of spring B 33 tension force, cover half slide block B 11 is slided, and deviates from the back-off of product cavity; Drift 12 separates with dynamic model slide block 10 conical surfaces, in the effect lower slider of spring C31 elastic force, by baffle plate, C32 is spacing, deviates from the back-off of product outer wall, now product can be stayed on fixed die insert A16 and fixed die insert B17, after the hanging platform face of draw-in bar 20 contacts with 3 of solid plates, solid plate 3 separates with push pedal 4, after 3 of hanging platform face and the solid plates of shouldered tap bolt B21 contact, solid plate 3 is relative static with push pedal 4 positions, product is released in push pedal 4, has realized cover half and has released product (seeing Fig. 3,4);

When matched moulds, after the conical surface of drift 12 bottoms contacts with the fillet surface of cover half slide block A9 end face, guiding cover half slide block A9 slides, and drift 12 is by after the resigning hole of cover half slide block A9, the conical surface of its bottom and dynamic model slide block 10 top cone plane-plane contacts, guiding wedging dynamic model slide block 10 also reset; Wedging spacing after wedge block A13 contacts with cover half slide block A9 face, wedge block A13 contacts and locates with fixed die insert A16 face simultaneously; Angle Pin 15 bottom spheres contact and lead with 11 of cover half slide block B, wedging spacing after wedge block B14 contacts with 11 of cover half slide block B, and wedge block B14 contacts with fixed die insert B17 face and locates (seeing Fig. 1,2,5) simultaneously, and matched moulds completes.

Claims

1. release the mould of plastics of product by cover half, the mould bases of this mechanism comprises: fixed clamping plate (1), stripper plate (2), solid plate (3), push pedal (4), moving platen (5), backing plate A(6), backing plate B(7), moving clamping plate (8), internal structure comprises: cover half slide block A(9), dynamic model slide block (10), cover half slide block B (11), drift (12), wedge block A(13), wedge block B(14), Angle Pin (15), fixed die insert A(16), fixed die insert B(17), moving die insert (18), fixed die insert mounting blocks (19), draw-in bar (20), shouldered tap bolt B(21), outer arm-tie (22), Angle Pin pressing plate (23), baffle plate A(24), baffle plate B(25), pressing plate A(26), pressing plate B(27), shouldered tap bolt A(28), shouldered tap bolt C(29), spring A(30), spring C(31), baffle plate C(32), spring B (33), pressing plate C(34), spring D(35), dogbolt (36), outer spring bar (37), outer spring baffle plate A(38), outer spring baffle plate B(39), spring E(40), it is characterized in that: wedge block A(13) be provided with four inclined-planes, wherein three inclined-planes and fixed die insert A(16) face coordinates, and plays spacing and positioning action, the 4th inclined-plane and cover half slide block A(9) for face coordinates, play position-limiting action, wedge block B(14) be provided with four inclined-planes, wherein three inclined-planes and fixed die insert B(17) face coordinates, and plays spacing and positioning action, the 4th inclined-plane coordinates with cover half slide block B (11) face, plays position-limiting action, drift (12) bottom is provided with the conical surface, and dynamic model slide block (10) top is provided with taper hole, and the conical surface contacts with taper hole face and plays guiding and wedge action,

When die sinking, wedge block A(13) with cover half slide block A(9) with fixed die insert A(16) separate, at spring A(30) under the effect of tension force, cover half slide block A(9) slide, deviate from the back-off of product cavity, wedge block B(14) with cover half slide block B (11) and fixed die insert B(17) separate, under the effect of spring B (33) tension force, cover half slide block B (11) is slided, and deviates from the back-off of product cavity, drift (12) separates with dynamic model slide block (10) conical surface, at spring C(31) the effect lower slider of elastic force, by baffle plate C(32) spacing, deviate from the back-off of product outer wall, now product can be stayed fixed die insert A(16) and fixed die insert B(17) on, after the hanging platform face of draw-in bar (20) contacts with solid plate (3) face, solid plate (3) separates with push pedal (4), as shouldered tap bolt B(21) hanging platform face contact with solid plate (3) face after, solid plate (3) is relative static with push pedal (4) position, product is released in push pedal (4), realize cover half and released product, when matched moulds, the conical surface and cover half slide block A(9 of drift (12) bottom) after the fillet surface of end face contacts, guiding cover half slide block A(9) slide, drift (12) is by cover half slide block A(9) resigning hole after, the conical surface of its bottom and dynamic model slide block (10) top cone plane-plane contact, guiding wedging dynamic model slide block (10) also reset, wedge block A(13) with cover half slide block A(9) face contact after wedging spacing, simultaneously wedge block A(13) with fixed die insert A(16) face contacts and locates, Angle Pin (15) bottom sphere contact and lead, wedge block B(14 with cover half slide block B (11) face) contact wedging afterwards with cover half slide block B (11) face also spacing, while wedge block B(14) with fixed die insert B(17) face contacts and locates, matched moulds completes.