CN203637102U

CN203637102U - One-time mold opening two-directional core-pulling mechanism

Info

Publication number: CN203637102U
Application number: CN201320577867.4U
Authority: CN
Inventors: 范静东; 范伟
Original assignee: NINGBO TIANLONG ELECTRONICS CO Ltd
Current assignee: NINGBO TIANLONG ELECTRONICS CO Ltd
Priority date: 2013-09-17
Filing date: 2013-09-17
Publication date: 2014-06-11
Anticipated expiration: 2023-09-17

Abstract

The utility model provides a one-time mold opening two-directional core-pulling mechanism. The one-time mold opening two-directional core-pulling mechanism comprises a stationary mold fixing plate, a stationary mold plate with a stationary mold core, a movable mold plate with a movable mold core and a sliding block which can be arranged on the movable mold plate in a sliding manner, wherein a first molding insert for molding a lateral characteristic hole is arranged on the sliding block, and a resin opening and closing device is arranged between the stationary mold plate and the movable mold plate; a stationary mold core insert is connected to the stationary mold core; a plastic part cavity for injection molding is formed by enclosure of the movable mold core, the stationary mold core, the stationary mold core insert and the sliding block, and a locking block for locking the sliding block at a mold closing state is fixed on the stationary mold plate; the stationary mold fixing plate is fixedly connected to the stationary mold plate; the stationary mold core insert is fixedly connected to a second molding insert for molding a vertical characteristic circular hole; a guide hole for guiding the lateral movement of the sliding block during mold opening is formed in the sliding block, and a dog-leg cam is inserted in the guide hole; the dog-leg cam is fixedly connected to the stationary mold plate and is sequentially provided with a linear segment and an oblique line segment along a direction of leaving the guide hole, and when leaving the guide hole, the oblique line segment pushes the outer side wall surface of the guide hole, so that the sliding block is pushed to complete lateral mold-pulling movement.

Description

A die sinking both direction core-pulling mechanism

Technical field

The utility model relates to a kind of core-pulling die mechanism.

Technical background

In actual production, often run into some and there is the vertically product to plastic feature holes and horizontal plastic feature holes simultaneously, as shown in Figure 1 and Figure 2.When the particularity of this product is the active and inactive mold demoulding and the side core-pulling demoulding be interference state, as shown in Figure 2 a, cause producing when this product, need to realize in two steps the active and inactive mold demoulding and the side core-pulling demoulding.

Shown in die structure dwg Fig. 3-Fig. 6 of this kind of product of existing production.Label in figure is as follows: 01 is cover half die, and 02 is cover half die mold insert, and 03 is circular hole moulding mold insert, 04 is slide block, 05 is dynamic model die, and 06 for needing the product of injection moulding, and 07 is die sinking spring, 08 is limited screw, 09 is resin shutter, and 10 is Angle Pin, and A01 is cover half fixed head, A02 is solid plate, and A03 is moving platen.

Circular hole moulding mold insert 03 is fixed in cover half fixed plate A 01 by pressing plate.

Die sinking is for the first time between cover half fixed plate A 01 and solid plate A02, and the circular hole moulding mold insert 03 being fixed on after die sinking in cover half fixed plate A 01 departs from product, departs from slide block.Between circular hole moulding mold insert 03 and slide block, do not exist after interference, start die sinking for the second time, die sinking is for the second time between A02 and A03, and slide block completes the side core-pulling of product according to normal run action.

This structure mold in process of production running can find out from Fig. 3, Fig. 4, Fig. 5, Fig. 6, and mould must pass through twice die sinking, by certain die sinking order.Just can complete the action of loosing core of both direction, mold actions complexity.

Summary of the invention

For overcoming the above-mentioned shortcoming of prior art, the utility model provides a kind of mould structure simple, a die sinking both direction core-pulling mechanism of long service life.

A die sinking both direction core-pulling mechanism, comprise cover half fixed plate A 01, have fixed mold core 1 solid plate A02, there is the moving platen A03 of mavable module core 5 and be slidably mounted on the slide block 4 on moving platen A03, slide block 4 is provided with the first moulding mold insert 41 for moulding side direction feature holes, between described solid plate A02 and moving platen A03, is provided with resin shutter; On fixed mold core 1, be connected with cover half die mold insert 2;

Mavable module core 5, fixed mold core 2, cover half die mold insert 2 and slide block 4 enclose injection molding plastic die cavity, are fixed with the latch segment of locking sliding block in the time of matched moulds state on solid plate;

It is characterized in that: cover half fixed plate A 01 is fixedly connected with solid plate A02; Described cover half die mold insert 2 is connected with the second moulding mold insert 3 of vertically using to feature circular hole for moulding;

On described slide block 4, have the pilot hole of the lateral movement of guide runner in the time of die sinking, in described pilot hole, insert curved pin 11; It is upper that described curved pin 11 is fixed in solid plate A02, has successively straightway and oblique line section along the curved pin 11 of direction that detaches pilot hole, and described oblique line section promotes the outer side surface of pilot hole in the time detaching pilot hole, makes to promote slide block 4 and complete the action of side direction pumping mode.

Further, the process of loosing core of corresponding the second moulding mold insert 3 of the straightway of curved pin 11 in the time of the demoulding; Described pilot hole is from bottom to top introversion shape gradually, and the bottom of the interior sidewall surface of pilot hole is linearly.

Technical conceive of the present utility model is: when matched moulds state, and the existence of the first moulding mold insert, the second moulding mold insert, when injection moulding, plastics liquation can not enter in mold insert and form vertically to feature holes and side direction feature holes.

When die sinking, slipper block loose core power derives from curved pin, can not promote slide block sidesway at the straightway of curved pin of die sinking initial stage, and now the second moulding mold insert 3 completes and looses core; In the time that the second moulding mold insert 3 no longer forms interference to side core-pulling, the oblique line section of curved pin promotes slide block sidesway.Thus, slide block relies on time delay to force emptying aperture to complete time delay to loose core in the stage of loosing core; In the matched moulds stage, rely on vertical contact-segment to complete time delay matched moulds simultaneously.Time delay loose core and the process of time delay matched moulds in, the second moulding mold insert has completed extraction and process of press in, avoided vertically loosing core and side core-pulling between interference problem, thereby reach the object of simplifying mould structure.

The utlity model has mould structure simple, the advantage of long service life.

Brief description of the drawings

Fig. 1 is the outline drawing of prior art mould.

Fig. 2 is the longitudinal sectional view of mould shown in Fig. 1.

Fig. 2 a is the partial enlarged drawing of Fig. 2.

Fig. 3 is the schematic diagram of the matched moulds state of prior art mould.

Fig. 4 is the partial enlarged drawing of Fig. 3.

Fig. 5 is the schematic diagram of the die opening state of prior art mould.

Fig. 6 is the partial enlarged drawing of Fig. 5.

Fig. 7 is the utility model schematic diagram in matched moulds state before injection moulding.

Fig. 8 is the C portion enlarged drawing of Fig. 7.

Fig. 9 is the schematic diagram of die sinking injection moulding state of the present utility model.

Figure 10 a is the D portion enlarged drawing of Fig. 9.

Figure 10 b is the E portion enlarged drawing of Fig. 9.

Figure 11 is schematic diagram when die sinking finishes after injection moulding of the present utility model.

Figure 12 a is the F portion enlarged drawing of Figure 11.

Figure 12 b is the G portion enlarged drawing of Figure 11.

Detailed description of the invention

With reference to accompanying drawing 7-12b, further illustrate the utility model:

Content described in this description embodiment is only enumerating of way of realization to utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also and conceive the equivalent technologies means that can expect according to the utility model in those skilled in the art.

Claims

1. a die sinking both direction core-pulling mechanism, comprise cover half fixed head (A01), have fixed mold core (1) solid plate (A02), there is the moving platen (A03) of mavable module core (5) and be slidably mounted on the slide block (4) on moving platen (A03), slide block (4) is provided with the first moulding mold insert (41) for moulding side direction feature holes, between described solid plate (A02) and moving platen (A03), is provided with resin shutter; On fixed mold core (1), be connected with cover half die mold insert (2);

Mavable module core (5), fixed mold core (2), cover half die mold insert (2) and slide block (4) enclose injection molding plastic die cavity, are fixed with the latch segment of locking sliding block in the time of matched moulds state on solid plate;

It is characterized in that: cover half fixed head (A01) is fixedly connected with solid plate (A02); Described cover half die mold insert (2) is connected with the second moulding mold insert (3) of vertically using to feature circular hole for moulding;

On described slide block (4), have the pilot hole of the lateral movement of guide runner in the time of die sinking, in described pilot hole, insert curved pin (11); Described curved pin (11) is fixed on solid plate (A02), there are successively straightway and oblique line section along the curved pin of direction (11) that detaches pilot hole, described oblique line section promotes the outer side surface of pilot hole in the time detaching pilot hole, makes to promote slide block (4) and completes the action of side direction pumping mode.

2. core-pulling mechanism as claimed in claim 1, is characterized in that: the process of loosing core of corresponding the second moulding mold insert (3) of the straightway of curved pin (11) in the time of the demoulding; Described pilot hole is from bottom to top introversion shape gradually, and the bottom of the interior sidewall surface of pilot hole is linearly.