CN201346833Y

CN201346833Y - Ejection mechanism for injection mold

Info

Publication number: CN201346833Y
Application number: CNU200920141494XU
Authority: CN
Inventors: 陈潮
Original assignee: Shengmei Precision Industrial Kunshan Co Ltd
Current assignee: Shengmei Precision Industrial Kunshan Co Ltd
Priority date: 2009-01-13
Filing date: 2009-01-13
Publication date: 2009-11-18
Anticipated expiration: 2019-01-13

Abstract

The utility model discloses an ejection mechanism for an injection mold, which comprises a fixed ejector plate arranged with a fixed template in a sliding manner, an ejector retainer plate arranged above the fixed ejector plate and arranged with the fixed ejector plate in a sliding manner, a primary ejector rod fixed on the fixed ejector plate, a secondary ejector rod fixed on the fixed ejector plate, an ejector rod arranged below the fixed ejector plate and used for driving the fixed ejector plate to be jacked up, as well as a secondary ejection mechanism arranged between the fixed ejector plate and a spacer block and used for shifting the ejector retainer plate to be jacked up relative to the fixed ejector plate. When the ejection mechanism is ejected out, firstly, the fixed ejector plate and the ejector retainer plate are upwards ejected out together, and a manufactured product is jacked up; secondly, after the fixed ejector plate moves to a certain position, the secondary ejection mechanism is used for shifting the ejector retainer plate to upwards jacked up relative to the fixed ejector plate, the secondary ejector rod is jacked up relative to the primary ejector rod, and the manufactured product smoothly drops from the ejector rod. Therefore, the material taking is convenient and the realization of the automatic operation is convenient.

Description

The ejecting mechanism of injection mold

Technical field

The utility model relates to the improvement for the ejecting mechanism of injection mold.

Background technology

Ejecting mechanism on the existing injection mold is exactly that the simple knock-pin that utilizes ejects goods from die, but sometimes because the design of the special construction of goods, knock-pin can be stuck in the groove of goods, relatively requires great effort when knock-pin takes off goods, is unfavorable for automated production.

Summary of the invention

Technical problem to be solved in the utility model is a kind of ejecting mechanism of design, makes goods to take out from knock-pin smoothly.

For solving above technical problem, the utility model is taked following technical scheme: a kind of ejecting mechanism of injection mold comprises:

The following ejector retainner plate that slide to be provided with solid plate, the last ejector retainner plate that slides and be provided with described ejector retainner plate down that is arranged on described ejector retainner plate down top;

Be fixed on one-level knock-pin on the described down ejector retainner plate, be fixed on the secondary knock-pin on the described ejector retainner plate down;

What be arranged on described down ejector retainner plate below is used to drive the push rod that described ejector retainner plate down makes progress jack-up;

Being arranged on being used between described down ejector retainner plate and the mould pin stirs the described relative secondary ejecting mechanism that descends ejector retainner plate to make progress jack-up of ejector retainner plate of going up.

Be fixed with the one-level limited block on the end face of described ejector retainner plate down, what described upward ejector retainner plate can slide is set on the described one-level limited block.

Described ejecting mechanism comprises that the approximate mid-section position rotates the seesaw be arranged on the described ejector retainner plate down, makes the other end of seesaw will go up ejector retainner plate to descend the mould pin of ejector retainner plate jack-up to re-pack relatively thereby be arranged on a end that being used on the mould pin trigger described seesaw.

Because the employing of technique scheme, the utility model has following advantage compared to existing technology: ejecting of this ejecting mechanism, and divide two steps: at first, following ejector retainner plate and last ejector retainner plate together upwards eject, corresponding one-level knock-pin, secondary knock-pin together upwards eject, and goods are by jack-up; Secondly, instantly ejector retainner plate moves to after the certain position, the secondary ejecting mechanism is stirred ejector retainner plate and is descended the ejector retainner plate jack-up that makes progress relatively, the relative one-level knock-pin of the secondary knock-pin jack-up that makes progress, under the dislocation of one-level knock-pin and secondary knock-pin ejects, goods can come off from knock-pin smoothly, get and expect conveniently, are convenient to realize automation mechanized operation.

Description of drawings

Fig. 1 is the mould structure complete section figure that following ejector retainner plate is positioned at reset condition;

Fig. 2 is that down ejector retainner plate is positioned at the first mould structure complete section figure that ejects state;

Fig. 3 is that down ejector retainner plate is positioned at the second mould structure complete section figure that ejects state;

Wherein, 10, solid plate, 11, cover half benevolence, 12, left mould pin, 13, right mould pin, 14, rear fixed plate,

2, following ejector retainner plate, 21, the one-level limited block, 3, go up ejector retainner plate,

41, one-level knock-pin, 42, the secondary knock-pin,

5, secondary ejecting mechanism, 51, the mould pin re-packs, 52, seesaw,

6, push rod.

The specific embodiment

Ejecting mechanism referring to a kind of injection mold shown in Figure 1, comprise: solid plate 10, be fixed on the left mould pin 12 and right mould pin 13 of solid plate 10 belows, be fixed on the rear fixed plate 14 of described left mould pin 12 and right mould pin 13 belows, following ejector retainner plate 2 with described rear fixed plate 14 slip settings, be fixed on the described one-level limited block 21 of ejector retainner plate 2 end faces down, last ejector retainner plate 3 on the described one-level limited block 21 is slidingly located in, be fixed with one-level knock-pin 41 on the ejector retainner plate 2 under described, described one-level knock-pin 41 passes ejector retainner plate 3, and described going up on the ejector retainner plate 3 is fixed with secondary knock-pin 42.Rotate on the described down ejector retainner plate 2 and be provided with seesaw 52, the approximate mid-section of this seesaw 52 is rotated and is arranged on down on the ejector retainner plate 2, and the mould pin that described right mould pin 13 is provided with an end that is used to trigger described seesaw 52 re-packs 51.

The action principle of this ejecting mechanism is:

Referring to Fig. 2, this ejecting mechanism is positioned at first and ejects state, when push rod 6 upwards under the jack-up during ejector retainner plate 2, ejector retainner plate 3 fits together with following ejector retainner plate 2 on this moment, seesaw 52 is not triggered, last ejector retainner plate 3 and following ejector retainner plate 2 are by the jack-up that makes progress simultaneously, and one-level knock-pin 41 and secondary knock-pin 42 are by the jack-up that makes progress simultaneously, and goods are by one-level knock-pin 41 and secondary knock-pin 42 even jack-up.

Referring to Fig. 3, this ejecting mechanism is positioned at second and ejects state, when push rod 6 continues upwards under the jack-up ejector retainner plate 2, mould pin 51 ends of having triggered seesaw 52 downwards that re-pack, the other end of seesaw 52 is upturned, thereby will go up ejector retainner plate 3 descends ejector retainner plate 2 to continue upwards jack-up relatively, quickened the speed that ejects of last ejector retainner plate 3, also relative secondary knock-pin 42 differentials of corresponding one-level knock-pin 41 eject, under the poor power effect of the two, goods can be deviate from from one-level knock-pin 41 and secondary knock-pin 42 smoothly.

Get back to Fig. 1, when push rod 6 descends, following ejector retainner plate 2 descends simultaneously with last ejector retainner plate 3, and seesaw 52 and mould pin re-pack and 51 break away from, and under the effect of gravity, following ejector retainner plate 2 and last ejector retainner plate 3 fit together again.

Claims

1, a kind of ejecting mechanism of injection mold is characterized in that, comprising:

The following ejector retainner plate (2) that slide to be provided with solid plate (10), the last ejector retainner plate (3) that slides and be provided with described ejector retainner plate (2) down that is arranged on described ejector retainner plate (2) down top;

Be fixed on one-level knock-pin (41) on the described down ejector retainner plate (2), be fixed on the secondary knock-pin (42) on the described ejector retainner plate (2) down;

What be arranged on described down ejector retainner plate (2) below is used to drive the upwards push rod (6) of jack-up of described ejector retainner plate (2) down;

Be arranged on and be used to stir the described secondary ejecting mechanism (5) that the relative ejector retainner plate (2) down of ejector retainner plate (2) makes progress jack-up of going up between described down ejector retainner plate (2) and the mould pin.

2, the ejecting mechanism of injection mold according to claim 1, it is characterized in that: be fixed with one-level limited block (21) on the end face of described ejector retainner plate (2) down, what described upward ejector retainner plate (3) can slide is set on the described one-level limited block (21).

3, the ejecting mechanism of injection mold according to claim 1, it is characterized in that: described ejecting mechanism (5) comprises that the approximate mid-section position rotates the seesaw (52) be arranged on the described ejector retainner plate (2) down, be arranged on that being used on the mould pin triggered described seesaw (52) thus an end make the other end of seesaw (52) will go up mould pin that ejector retainner plate (3) descends ejector retainner plate (2) jack-up relatively re-pack (51).