CN203267102U

CN203267102U - Injection mold with positioning reliability and adjustable mold opening stroke

Info

Publication number: CN203267102U
Application number: CN 201320327076
Authority: CN
Inventors: 罗卫平
Original assignee: Jinling Institute of Technology
Current assignee: Jinling Institute of Technology
Priority date: 2013-06-07
Filing date: 2013-06-07
Publication date: 2013-11-06
Anticipated expiration: 2023-06-07

Abstract

The utility model relates to an injection mold with positioning reliability and adjustable mold opening stroke. The injection mold comprises a fixed mold seat plate, a fixed mold plate, a moveable mold plate, a moveable mold base plate, a threaded mold core, a push rod and a sequential demolding mechanism, wherein a sprue runner is arranged in the center of the fixed mold seat plate; the fixed mold plate is arranged at one side of the fixed mold seat plate; the moveable mold plate is arranged at one side of the fixed mold plate; a plastic piece with internal thread is arranged in the fixed mold plate; the sprue runner is arranged at one side of the plastic piece with internal thread; the threaded mold core is arranged at the other side of the plastic piece with internal thread; the moveable mold base plate is arranged at one side of the moveable mold plate; the push rod is arranged at one side of the moveable mold plate; the sequential demolding mechanism is mounted below the injection mold. Due to design of the injection mold with positioning reliability and adjustable mold opening stroke, the threaded mold core in the injection mold does not move under external vibration or impact of material flow. The injection mold is provided with an elastic connecting device, so scrap of products or damage to the mold caused by falling of or displacement of the mold core during mold closing can be avoided.

Description

A kind of adjustable injection mold of reliable opening stroke of locating

Technical field

The utility model relates to injection mold field, particularly a kind of adjustable injection mold of reliable opening stroke of locating.

Background technology

Screw on plastic is to adopt the thread core moulding; therefore need to reliably locate during moulding; can not move because of the impact of extraneous vibration or material stream; can greatly affect the screw quality if be moved; and want when die sinking and can conveniently take out; in addition when thread core is fixed on the dynamic model part of injection machine patrix or horizontal injection press; impact shock during due to matched moulds is larger; core should have elastic connecting device when inserting, and in the time of can avoiding matched moulds, core falls or is shifted and causes goods to scrap or the mould damage.Therefore be badly in need of a kind of elastic connecting device thread core is inserted in template, in order to avoid cause coming off or moving of core.

The utility model content

for above problem, the utility model is by designing a kind of adjustable injection mold of reliable opening stroke of locating, this injection mold internal thread core can not move because of the impact of extraneous vibration or material stream, and the flexible jockey of the utility model, in the time of can avoiding matched moulds, core falls or is shifted and causes goods to scrap or the mould damage, the utility model provides a kind of adjustable injection mold of reliable opening stroke of locating, comprise top clamping plate, solid plate, moving platen, the dynamic model backing plate, thread core, push rod and sequence demoulding mechanism, runner waters in described top clamping plate central authorities, described top clamping plate one side has solid plate, described solid plate one side has moving platen, plastic with internal thread is arranged in described solid plate, the described runner that waters is in plastic one side of internal thread, the plastic opposite side of described internal thread has thread core, described thread core core main body is in the plastic of internal thread, there is the gap part in the described thread core outside, described thread core gap part is in moving platen, described moving platen one side has the dynamic model backing plate, described moving platen side has push rod, described push rod ejects the plastic of internal thread after die sinking finishes, described sequence demoulding mechanism is arranged under injection mold, described sequence demoulding mechanism comprises stay hook, swing hook, spring, adjustable nut, fixed hinge, swing hook holder and studs, there is stay hook described moving platen lower end, there is spring described solid plate lower end, fixed hinge and swing hook holder, described swing hook hook portion is hooked on stay hook, the described swing hook other end is arranged on fixed hinge, described spring is connected swing hook with solid plate, described studs passes the swing hook tail end, swing hook holder and top clamping plate lower end, described studs one end has adjustable nut.

As further improvement of the utility model, on described thread core gap part, ring-shaped groove is arranged, described thread core gap part one side has adjustment screw, described adjustment screw end is stuck on thread core gap part ring-shaped groove, the utility model is designed a ring-shaped groove at the afterbody of gap, adjustment screw is stuck in groove, suitably rotates adjustment screw and can adjust spring force according to actual conditions.

The utility model is a kind of adjustable injection mold of reliable opening stroke of locating, the afterbody of this utility model thread core adopts the structure with gap, thread core relies on the elastic force of gap handle that core is supported in mould, thereby can prevent that core comes off or be mobile when matched moulds, during die sinking, thread core can overcome again the gap spring force with product taking-up together, takes out very convenient.For the solidifying material of spot pouring mouth running gate system is separated automatically with plastic, the swing hook jockey is arranged at the utility model injection mold bottom, it adopts swing hook to add the adjusting that the studs structure can realize split cavity stroke size, so the utility model not only is suitable for, and the spot pouring mouth running gate system is solidifying expects automatically to separate with plastic, needing also to can be used for plastic first to break away from from cover half, or first complete side core-pulling action, then the disengaging etc. that realizes plastic and cover half needs all injecting mechanisms of order stripping.

Description of drawings

Fig. 1 is the utility model schematic diagram;

Fig. 2 is the utility model thread core scheme of installation;

Fig. 3 is the utility model sequence demoulding mechanism schematic diagram;

Member in figure is:

1, water runner; 2, top clamping plate; 3, solid plate;

4, moving platen; 5, dynamic model backing plate; 6, with the plastic of internal thread;

7, adjustment screw; 8, thread core; 8-1, gap part;

8-1-1, ring-shaped groove; 9, push rod; 10, stay hook;

11, swing hook; 12, spring; 13, adjustable nut;

14, fixed hinge; 15, swing hook holder; 16, studs.

The specific embodiment

Below in conjunction with drawings and Examples, utility model is described in detail:

The utility model is by designing a kind of adjustable injection mold of reliable opening stroke of locating, this injection mold internal thread core can not move because of the impact of extraneous vibration or material stream, and the flexible jockey of the utility model, in the time of can avoiding matched moulds core fall or be shifted cause that goods are scrapped, the mould damage.

as a kind of specific embodiment of the utility model, the utility model provides schematic diagram a kind of adjustable injection mold of reliable opening stroke of locating as shown in Figure 1, comprise top clamping plate 2, solid plate 3, moving platen 4, dynamic model backing plate 5, thread core 8, push rod 9 and sequence demoulding mechanism, runner 1 waters in described top clamping plate 2 central authorities, described top clamping plate 2 one sides have solid plate 3, plastic 6 with internal thread is arranged in described solid plate 3, the described runner 1 that waters is in plastic 6 one sides of internal thread, plastic 6 opposite sides of described internal thread have thread core 8, described thread core 8 core main bodys are as shown in Figure 2 in the plastic 6 of internal thread, described solid plate 3 one sides have moving platen 4, there is gap part 8-1 in described thread core 8 outsides, described thread core 8 gap part 8-1 are in moving platen 4, on described thread core 8 gap part 8-1, ring-shaped groove 8-1-1 is arranged, described thread core 8 gap part 8-1 one sides have adjustment screw 7, described adjustment screw 7 ends are stuck on thread core 8 gap part 8-1 ring-shaped groove 8-1-1, the utility model is designed a ring-shaped groove 8-1-1 at the afterbody of gap, adjustment screw 7 is stuck in groove, suitably rotation adjustment screw 7 can be adjusted spring force according to actual conditions, described moving platen 4 one sides have dynamic model backing plate 5, described moving platen 4 sides have push rod 9, described push rod 9 is after die sinking finishes, the plastic 6 of internal thread can be ejected, described sequence demoulding mechanism is arranged under injection mold, described sequence demoulding mechanism comprises stay hook 10 as shown in Figure 3, swing hook 11, spring 12, adjustable nut 13, fixed hinge 14, swing hook holder 15 and studs 16, there is stay hook 10 described moving platen 4 lower ends, there is spring 12 described solid plate 3 lower ends, fixed hinge 14 and swing hook holder 15, described swing hook 11 hook portions are hooked on stay hook 10, described swing hook 11 other ends are arranged on fixed hinge 14, described spring 12 is connected swing hook 11 with solid plate 3, described studs 16 passes swing hook 11 tail ends, swing hook holder 15 and top clamping plate 2 lower ends, described studs 16 1 ends have adjustable nut 13.

the afterbody of the utility model thread core adopts the structure with gap, thread core is the method that adopts the convex shoulder location, be fixed between moving platen and dynamic model backing plate, thread core relies on the elastic force of gap handle that core is supported in mould, thereby can prevent that core comes off or be mobile when matched moulds, during die sinking, thread core can overcome again the gap spring force with product taking-up together, take out very convenient, for the spring force size to gap is regulated, to adapt to different injection moulding requirements, in the utility model, the afterbody of gap there is ring-shaped groove, adjustment screw is stuck in groove, suitably the rotation adjustment screw can be adjusted spring force according to actual conditions.

Because the solidifying material of common running gate system is generally to link together with plastic part to be ejected outside mould, then carry out secondary operations, the solidifying material of plastic and running gate system is broken away from.And spot pouring mouth can be realized automatically separating of plastic and condensation material on injection machine; realize automated production; for the solidifying material of spot pouring mouth running gate system is separated automatically with plastic; just be necessary to design this functional requirement that sequence demoulding mechanism is realized injection mould; so just need the split cavity stroke to regulate accordingly; order sequence demoulding mechanism is not in the past realized the adjusting of split cavity stroke, and the utility model has adopted swing hook to add the adjusting that the studs structure realizes split cavity stroke size.Swing hook is fixed on solid plate with fixed hinge, during matched moulds, swing hook under the effect of spring force with moving platen on stay hook mutually lock, the swing hook holder is fixed on solid plate, studs passes the hole on swing hook holder and swing hook, one end is fixed on top clamping plate, and the other end is rotary with adjustable nut on it.

The concrete action of the utility model is: during die sinking, stay hook and swing hook acting in conjunction are connected moving platen and solid plate, at first from I punishment type; After continuing the die sinking certain distance, adjustable nut contact swing hook impels swing hook outwards to rotate and breaks away from stay hook, and solid plate is slack, from II punishment type; The plastic that the rear sequence demoulding mechanism of die sinking end will be threaded core ejects.

Regulate for the opening stroke to I die joint place, this patent spy has adopted two bolt structures, only needs to regulate adjustable nut, it is moved left and right, but just the split cavity stroke is regulated, thereby can be satisfied the requirement of different die sinkings.

Therefore this patent not only is suitable for the solidifying material of spot pouring mouth running gate system and automatically separates with plastic, needing also to can be used for plastic first to break away from from cover half, or first complete the side core-pulling action, then the disengaging etc. that realizes plastic and cover half needs all injecting mechanisms of order stripping.

The above; it is only preferred embodiment of the present utility model; be not to be the utility model to be done the restriction of any other form, and according to any modification or equivalent variations that technical spirit of the present utility model is done, still belong to the utility model scope required for protection.

Claims

1. locate the adjustable injection mold of reliable opening stroke for one kind, comprise top clamping plate (2), solid plate (3), moving platen (4), dynamic model backing plate (5), thread core (8), push rod (9) and sequence demoulding mechanism, it is characterized in that: runner (1) waters in described top clamping plate (2) central authorities, described top clamping plate (2) one sides have solid plate (3), plastic (6) with internal thread is arranged in described solid plate (3), the described runner (1) that waters is in plastic (6) one sides of internal thread, the plastic of described internal thread (6) opposite side has thread core (8), described thread core (8) core main body is in the plastic (6) of internal thread, described solid plate (3) one sides have moving platen (4), there is gap part (8-1) in described thread core (8) outside, described thread core (8) gap part (8-1) is in moving platen (4), described moving platen (4) one sides have dynamic model backing plate (5), described moving platen (4) side has push rod (9), described push rod (9) ejects the plastic (6) of internal thread after die sinking finishes, described sequence demoulding mechanism is arranged under injection mold, described sequence demoulding mechanism comprises stay hook (10), swing hook (11), spring (12), adjustable nut (13), fixed hinge (14), swing hook holder (15) and studs (16), there is stay hook (10) described moving platen (4) lower end, there is spring (12) described solid plate (3) lower end, fixed hinge (14) and swing hook holder (15), described swing hook (11) hook portion is hooked on stay hook (10), described swing hook (11) other end is arranged on fixed hinge (14), described spring (12) is connected swing hook (11) with solid plate (3), described studs (16) passes swing hook (11) tail end, swing hook holder (15) and top clamping plate (2) lower end, described studs (16) one ends have adjustable nut (13).

2. a kind of adjustable injection mold of reliable opening stroke of locating according to claim 1, it is characterized in that: on described thread core (8) gap part (8-1), ring-shaped groove (8-1-1) is arranged, described thread core (8) gap part (8-1) side has adjustment screw (7), and described adjustment screw (7) end is stuck on thread core (8) gap part (8-1) ring-shaped groove (8-1-1).