CN209158833U - Chase after top demoulding mechanism and mold - Google Patents

Abstract

The utility model discloses chase after top demoulding mechanism and mold, including solid plate and push rod, the centre of the solid plate is provided with sprue bush, the lower surface for covering push plate is mounted with ejection elastic slice, moving template is installed below the solid plate, backing plate is provided with below the support plate, the centre of the push plate, which is run through, sprue puller, the centre of the adjustable shelf, which is run through, is connected with connecting shaft, the embedding sphere is embedded in the inner end portion for being mounted on sprue puller, the embedding sphere has glue bar close to the fixed welding in a side surface of connecting shaft, the top positioned inside of the sprue puller has telescopic rod, the top fixed bonding of the telescopic rod has movable pad, the inside of the push rod, which is run through, reinforcing bar.This is chased after in top demoulding mechanism and mold, and demoulding mechanism uniform force can guarantee that product structure height is complete, is completed stripping action by the way of ejecting using bidirectional elastic and naturally, is improved demoulding efficiency, be also beneficial to the long-time service of mold.

Description

Chase after top demoulding mechanism and mold

Technical field

The utility model relates to technical field of mold, specially chase after top demoulding mechanism and mold.

Background technique

Mold refers in industrial production to be molded, be blow molded, squeeze out, die casting or the methods of forging and forming, smelting, punching press obtain The various moulds and tool of required product, mold, with the production criticized i.e. with sized products, can be saved sizable for a large amount of Production time, during being processed using mold, worker needs to be grasped the time of open mold, the setting of the time parameter Specifically it is determined depending on material solidification time and corresponding production technology, mold is opened in work, and essential one Mechanism is exactly to demould material jacking mechanism, and the quality of demoulding is directly related to the quality of finished product.

However existing demoulding mechanism often leads to product unbalance stress because of thrust unevenness in outside liftout, this The fraction defective of product is undoubtedly increased, and demoulding mechanism is generally unidirectional ejecting structure, the effect that can reach more has Limit, i.e., the stress between the die cavity up and down of product and mold actually exists difference in size, this is just during demoulding Certain inhibition can be brought to knockout course, for this purpose, it is proposed that one kind chases after top demoulding mechanism and mold.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide chasing after top demoulding mechanism and mold For existing demoulding mechanism in outside liftout, often because thrust unevenness leads to product unbalance stress, this undoubtedly increases production The fraction defective of product, and demoulding mechanism is generally unidirectional ejecting structure, and the effect that can reach is relatively limited, i.e. product and mould Stress between the die cavity up and down of tool actually exists difference in size, this will give knockout course during demoulding The problem of bringing certain inhibition.

To achieve the above object, the utility model provides the following technical solutions: chasing after top demoulding mechanism and mold, including cover half Plate and push rod, the centre of the solid plate is provided with sprue bush, and is connected with above the inner wall of solid plate and covers push plate, described to cover The lower surface of push plate is mounted with ejection elastic slice, and moving template, and the lower section setting of moving template are equipped with below the solid plate There is support plate, backing plate is provided with below the support plate, and the positioned inside of backing plate has push plate, the centre of the push plate is run through There is sprue puller, and the centre of sprue puller is provided with adjustable shelf, the centre of the adjustable shelf, which is run through, is connected with connecting shaft, and adjustable shelf Upper and lower ends be fixedly welded with embedding sphere, the embedding sphere is embedded in the inner end portion for being mounted on sprue puller, the embedding ball Body has glue bar close to the fixed welding in a side surface of connecting shaft, and the top positioned inside of the sprue puller has telescopic rod, and flexible It is provided with connecting spring at left and right sides of bar, the top fixed bonding of the telescopic rod has a movable pad, and movable pad Overhead surface is bonded with the soft bar of plastic cement, and the inside of the push rod, which is run through, reinforcing bar, and push rod is located at the left and right of sprue puller Two sides, the upper section bottom surface of the push rod is provided with mating groove, and the lower section end face injection molding of push rod is connected with briquetting, described to add The centre of solid rod offers sliding slot, and the push rod is internally provided with contraction spring, the upper end of the contraction spring and push rod It welds between upper inner wall, and is welded between the lower end of contraction spring and the upper end of reinforcing bar.

Preferably, phase interworking between the top structure size for covering push plate and the inside front structure size of solid plate It closes, and ejects elastic slice and be uniformly arranged along the horizontal direction for covering push plate, and eject elastic slice in coniform spiral plate type structure, together When ejection elastic slice cone angle it is downward.

Preferably, rotational structure is constituted by connecting shaft between the adjustable shelf every two, and adjustable shelf is about embedding sphere Vertical centerline be symmetrically provided with two groups altogether, and two groups of adjustable shelfs pass through embedding sphere and sprue puller is cooperatively connected.

Preferably, the movable pad is connect by telescopic rod and connecting spring with sprue puller, and the soft bar of plastic cement is in radiation Shape is uniformly arranged on the upper surface of movable pad, and the soft bar of plastic cement runs through from the upper end outer wall of sprue puller.

Preferably, size cooperates between the mating groove and briquetting, while the medial surface of push rod and reinforcing bar is outer Side fits.

Preferably, there are two the push rod is symmetrical arranged about the central axes of sprue puller, and phase between sprue puller and push rod It is mutually parallel, and elastic mechanism is constituted by contraction spring between push rod and reinforcing bar.

Compared with prior art, the utility model has the beneficial effects that

1, this is chased after in top demoulding mechanism and mold, and demoulding mechanism uniform force can guarantee that product structure height is complete, adopt With bidirectional elastic and naturally the mode ejected completes stripping action, improves demoulding efficiency, is also beneficial to the long-time service of mold； Push plate cooperation is covered in solid plate, can be carried out fast assembling-disassembling to push plate is covered, be ejected the intensive setting of elastic slice, be conducive to protect Mode part uniform force in solid plate is demonstrate,proved, ejection elastic slice is copper sheet structure, by spiral at cone cell, to obtain corresponding shrink Elasticity can cooperate stripping action, and mode part is uniformly ejected outward, conveniently stripped.

2, two groups of adjustable shelfs are realized with diamond structure to the connection between two sections of sprue pullers, and two sections of sprue pullers are connected into one It is a to have rotation activity with movable entirety, under the action of connecting shaft, between single group adjustable shelf, to reach whole to sprue puller The lift adjustment purpose of body structure, while using the spherical shape structure of embedding sphere, be conducive to two sections of sprue pullers respectively with activity Angle rotation is carried out based on frame, to adjust the curvature of sprue puller, in order to from the other positions of mode part with oblique direction Mode is released；The radial layout of the soft bar of plastic cement is conducive to the contact surface for expanding sprue puller and mode part, and the soft bar of plastic cement Under the action of telescopic rod and connecting spring, can elasticity be retracted in sprue puller, with relieve stress effect, and provide level change The thrust effect of change.

3, push rod divides two sections, connects into a scalable entirety, while two sections of push rods by reinforcing bar between two sections Between can be realized and be cooperatively connected by mating groove and briquetting, two sections of push rods are spliced into an entire fixed bar type structure；Two After section push rod separates, telescopic length purpose, while the setting of contraction spring can achieve using reinforcing bar, ensure that push rod and add There is elasticity activity in the connection between solid rod, under elastic reaction, can accordingly stretch, the setting of sprue puller and push rod, favorably It is balanced in guarantee thrust, and it is conducive to the position of centre of gravity where artificial control thrust size and thrust.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is enlarged structure schematic diagram at A in the utility model Fig. 1；

Fig. 3 is the utility model sprue puller inside structure schematic diagram；

Fig. 4 is the embedding sphere of the utility model and adjustable shelf side structure schematic diagram；

Fig. 5 is the utility model sprue puller top schematic diagram of internal structure；

Fig. 6 is enlarged structure schematic diagram at B in the utility model Fig. 1；

Fig. 7 is the utility model push rod and reinforcing bar mounting structure schematic diagram.

In figure: 1, solid plate；2, sprue bush；3, push plate is covered；4, elastic slice is ejected；5, moving template；6, support plate；7, it pads Plate；8, push plate；9, sprue puller；10, adjustable shelf；11, connecting shaft；12, embedding sphere；13, glue bar；14, telescopic rod；15, bullet is connected Spring；16, movable pad；17, the soft bar of plastic cement；18, push rod；19, reinforcing bar；20, mating groove；21, briquetting；22, sliding slot；23, it receives Contracting spring.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-7 is please referred to, the utility model provides a kind of technical solution: chasing after top demoulding mechanism and mold, including solid plate 1 With push rod 18, the centre of solid plate 1 is provided with sprue bush 2, and is connected with above the inner wall of solid plate 1 and covers push plate 3, covers pushing tow The lower surface of plate 3 is mounted with ejection elastic slice 4, covers the top structure size of push plate 3 and the inside front structure size of solid plate 1 Between cooperate, and eject elastic slice 4 and be uniformly arranged along the horizontal direction for covering push plate 3, and eject elastic slice 4 in coniform spiral shell Rotary vane type structure, while the cone angle for ejecting elastic slice 4 is downward covers the cooperation of push plate 3 in solid plate 1, can to cover push plate 3 into Row fast assembling-disassembling ejects the intensive setting of elastic slice 4, advantageously ensures that mode part uniform force in solid plate 1, ejects elastic slice 4 For copper sheet structure, stripping action can be cooperated at cone cell to obtain corresponding contraction elasticity by spiral, mode part is outside Uniformly ejection, it is conveniently stripped；

The lower section of solid plate 1 is equipped with moving template 5, and the lower section of moving template 5 is provided with support plate 6, the lower section of support plate 6 It is provided with backing plate 7, and the positioned inside of backing plate 7 has push plate 8, the centre of push plate 8, which is run through, sprue puller 9, and the centre of sprue puller 9 It is provided with adjustable shelf 10, the centre of adjustable shelf 10, which is run through, is connected with connecting shaft 11, and the fixed weldering of the upper and lower ends of adjustable shelf 10 It is connected to embedding sphere 12, passes through connecting shaft 11 between 10 every two of adjustable shelf and constitutes rotational structure, and adjustable shelf 10 is about embedding sphere 12 vertical centerline is symmetrically provided with two groups altogether, and two groups of adjustable shelfs 10 are connected by embedding sphere 12 and the cooperation of sprue puller 9 It connects, two sections of sprue pullers 9 are connected into one with diamond structure by two groups of adjustable shelfs 10 can be with movable entirety, in the work of connecting shaft 11 There is rotation activity, under, between single group adjustable shelf 10 to reach to the integrally-built lift adjustment purpose of sprue puller 9, simultaneously Using the spherical shape structure of embedding sphere 12, based on adjustable shelf 10, angle rotation is respectively carried out to two sections of sprue pullers 9, thus The curvature of sprue puller 9 is adjusted, in order to release mode with oblique direction, embedding sphere 12 is embedded in the end for being mounted on sprue puller 9 Inside portion, embedding sphere 12 has glue bar 13 close to the fixed welding in a side surface of connecting shaft 11, and the top positioned inside of sprue puller 9 has Telescopic rod 14, and the left and right sides of telescopic rod 14 is provided with connecting spring 15, the top fixed bonding of telescopic rod 14 has activity Pad 16, and the overhead surface of movable pad 16 is bonded with the soft bar 17 of plastic cement, movable pad 16 passes through telescopic rod 14 and connection bullet Spring 15 is connect with sprue puller 9, and the radial upper surface for being uniformly arranged on movable pad 16 of the soft bar 17 of plastic cement, and plastic cement is soft Bar 17 runs through from the upper end outer wall of sprue puller 9, the soft bar 17 of the plastic cement of radial setting, is conducive to expand sprue puller 9 and mode part Contact surface, and the soft bar 17 of plastic cement is under the action of telescopic rod 14 and connecting spring 15, can elasticity be retracted in sprue puller 9 In, to relieve stress effect, and provide the thrust effect of layer variability；

The inside of push rod 18, which is run through, reinforcing bar 19, and push rod 18 is located at the left and right sides of sprue puller 9, push rod 18 Upper section bottom surface is provided with mating groove 20, and the lower section end face injection molding of push rod 18 is connected with briquetting 21, mating groove 20 and briquetting Size cooperates between 21, while the medial surface of push rod 18 and the lateral surface of reinforcing bar 19 fit, between two sections of push rods 18 It can be realized and be cooperatively connected by mating groove 20 and briquetting 21, two sections of push rods 18 are spliced into an entire fixed bar type structure, The centre of reinforcing bar 19 offers sliding slot 22, and push rod 18 is internally provided with contraction spring 23, the upper end of contraction spring 23 with push away Weld between the upper inner wall of bar 18, and welded between the lower end of contraction spring 23 and the upper end of reinforcing bar 19, push rod 18 about It there are two the central axes of sprue puller 9 are symmetrical arranged, and is parallel to each other between sprue puller 9 and push rod 18, and push rod 18 and reinforcing Elastic mechanism is constituted by contraction spring 23 between bar 19, two sections of push rods 18 reach telescopic length purpose using reinforcing bar 19, together When push rod 18 and reinforcing bar 19 between under the elastic reaction of contraction spring 23, can accordingly stretch freely, sprue puller 9 and push rod 18 setting advantageously ensures that thrust equilibrium, and is conducive to the position of centre of gravity where artificial control thrust size and thrust.

Working principle: chasing after top demoulding mechanism and mold for this kind of, mold is integrally carried out assembly first, and assembled complete It is whole, push plate 3 will be covered and snapped fit on the inner mold chamber of solid plate 1, and be fixed by bonding or with screw, in solid plate 1, moved Template 5, which is formed by intermediate inner cavity after combining with support plate 6, is put into corresponding mode part, by sprue bush 2 to the mode part Note cast gate in inject raw material, be cooled and shaped raw material in mode part, when demoulding, push sprue puller 9, sprue puller 9 is in thrust Under the reaction force acts of effect and mode part, its own structure changes, and is specifically, is passed through by a connecting shaft 11 Variable angle between two adjustable shelfs 10 of connection is worn, two embedding spheres 12 are close to each other up and down immediately, and glue bar 13 is plastic cement material Matter, corresponding to shrink, 9 length of sprue puller shortens, and the chondritic of embedding sphere 12, so that the upper section of sprue puller 9 and sprue puller 9 Can not on a vertical line between lower section, i.e. 9 overall structure of sprue puller can be bent, the thrust of sprue puller 9 The not single fixation in position, after the bending of 9 stress of sprue puller, the position contacted with mode part bottom surface and normal upright state Under position have a deviation, sprue puller 9 pushes sprue puller 9 in the effect of the from deviating from the position transmission force, to generate in the from deviating from the position The pressure tilted upward generates pressure effect by selecting suitable from deviating from the position, and to the position, to reach with oblique side Optimal de-molding position is selected to cooperate size, shape or the specification of different mode parts to the purpose for pushing mode part, is assisted Stripping action is completed, after the soft bar 17 of the plastic cement on 9 top of sprue puller is contacted with mode part, is understood in telescopic rod 14 and connecting spring 15 It under effect, accordingly bounces back in sprue puller 9, to alleviate thrust, avoids demoulding fault caused by having an effect suddenly, then push and push away Bar 18, it is two sections that push rod 18, which is divided to, by constituting an entire Telescopic shaft type structure through a reinforcing bar 19 between two sections of push rods 18, Simultaneously under the action of contraction spring 23, after 18 top of push rod is under pressure effect, two sections of push rods 18 can be with reinforcing bar 19 Basis, opposite to shrink, after demoulding, under the elastic reaction of contraction spring 23, two sections of push rods 18 again can be with reinforcing bar 19 Based on complete reset, by the elastic telescopic of push rod 18, make stress equalization in knockout course, while two sections of push rods 18 can close And at a whole fixed structure, i.e., the cooperation of briquetting 21 is fixed, tip of screw is locked in mating groove 20 with screw In sliding slot 22 among reinforcing bar 19, two sections of 18 position of push rod lockings, can not carry out elastic telescopic again, so can be at this time Stripping action provides stable thrust, and while pushing away mould, respectively internal elastic mechanism also mentions outward for sprue puller 9 and push rod 18 For reaction elastic force, make sprue puller 9 and push rod 18 without extraneous back pressure, length can freely extend, with The respectively close contact between workpiece is kept, comes up with workpiece, and make to eject elastic slice 4 with lasting thrust and demoulding to workpiece In the process, with the abjection of workpiece, the corresponding outer bullet of elastic slice 4 is ejected, provides thrust, mode part with the upper surface to mode part It is accordingly moved at home and abroad in solid plate 1, workpiece is slowly pushed outwardly between separated solid plate 1 and moving template 5, cooperate sprue puller 9 and push rod 18 to the thrust below mode part, two-way force, to realize two-way quick die sinking, multiple ejection elastic slices 4 exist The top of mode part applies intensive thrust, keeps mode part stress steady, like this complete preferably to complete demoulding work At the use process for entirely chasing after top demoulding mechanism and mold.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. chasing after top demoulding mechanism and mold, including solid plate (1) and push rod (18), it is characterised in that: in the solid plate (1) Between be provided with sprue bush (2), and be connected with and cover push plate (3) above the inner wall of solid plate (1), it is described to cover under push plate (3) Surface is mounted with ejection elastic slice (4), is equipped with moving template (5) below the solid plate (1), and set below moving template (5) It is equipped with support plate (6), is provided with backing plate (7) below the support plate (6), and the positioned inside of backing plate (7) has push plate (8), The centre of the push plate (8), which is run through, to be had sprue puller (9), and the centre of sprue puller (9) is provided with adjustable shelf (10), the adjustable shelf (10) centre, which is run through, to be connected with connecting shaft (11), and the upper and lower ends of adjustable shelf (10) are fixedly welded with embedding sphere (12), The embedding sphere (12) is embedded in the inner end portion for being mounted on sprue puller (9), and the embedding sphere (12) is close to connecting shaft (11) The fixed welding in one side surface has glue bar (13), and the top positioned inside of the sprue puller (9) has telescopic rod (14), and telescopic rod (14) it is provided at left and right sides of connecting spring (15), the top fixed bonding of the telescopic rod (14) has movable pad (16), and the overhead surface of movable pad (16) is bonded with the soft bar of plastic cement (17), and the inside of the push rod (18), which is run through, reinforcing Bar (19), and push rod (18) is located at the left and right sides of sprue puller (9), the upper section bottom surface of the push rod (18) is provided with Mating groove (20), and the lower section end face injection molding of push rod (18) is connected with briquetting (21), the centre of the reinforcing bar (19) offers Sliding slot (22), the push rod (18) are internally provided with contraction spring (23), the upper end of the contraction spring (23) and push rod (18) it welds between upper inner wall, and is welded between the lower end of contraction spring (23) and the upper end of reinforcing bar (19).

2. according to claim 1 chase after top demoulding mechanism and mold, it is characterised in that: the top for covering push plate (3) It cooperates between structure size and the inside front structure size of solid plate (1), and ejects elastic slice (4) edge and cover push plate (3) Horizontal direction be uniformly arranged, and eject elastic slice (4) in coniform spiral plate type structure, while ejecting the cone angle of elastic slice (4) Downwards.

3. according to claim 1 chase after top demoulding mechanism and mold, it is characterised in that: adjustable shelf (10) every two it Between by connecting shaft (11) constitute rotational structure, and adjustable shelf (10) is symmetrically arranged altogether about the vertical centerline of embedding sphere (12) There are two groups, and two groups of adjustable shelfs (10) are cooperatively connected by embedding sphere (12) and sprue puller (9).

4. according to claim 1 chase after top demoulding mechanism and mold, it is characterised in that: the activity pad (16) is by stretching Contracting bar (14) and connecting spring (15) are connect with sprue puller (9), and the soft bar of plastic cement (17) is radial is uniformly arranged on activity mat The upper surface of body (16), and the soft bar of plastic cement (17) runs through from the upper end outer wall of sprue puller (9).

5. according to claim 1 chase after top demoulding mechanism and mold, it is characterised in that: the mating groove (20) and briquetting (21) size cooperates between, while the medial surface of push rod (18) and the lateral surface of reinforcing bar (19) fit.

6. according to claim 1 chase after top demoulding mechanism and mold, it is characterised in that: the push rod (18) is about sprue puller (9) there are two central axes are symmetrical arranged, and be parallel to each other between sprue puller (9) and push rod (18), and push rod (18) with add Elastic mechanism is constituted by contraction spring (23) between solid rod (19).