CN218227711U - Secondary ejection mechanism of injection mold - Google Patents

Abstract

The utility model discloses an injection mold secondary ejection mechanism relates to injection mold technical field, include through including the injection mold body, there is the motor bottom of injection mold body inside through supplementary piece fixed mounting. The utility model discloses in, during the use, at first take off the movable membrane at top, open the external power source of motor, it is rotatory to drive first gear through the output shaft, second gear drive threaded rod is rotatory this moment, make the fixed plate rise at threaded rod surface screw thread, promote two carriage release levers and jacking piece upward movement, the shaping article mould jack-up that makes progress, it is ejecting to carry out the secondary, thereby break away from the mould chamber, make things convenient for the staff to take out the shaping article mould more, thereby reach the ejecting effect of secondary, when having solved the shaping article and having carried out the drawing of patterns under the exogenic action, the outward appearance atress is inhomogeneous, suffer the extrusion easily, make the shaping article take place deformation and receive the damage even, thereby reduce product quality's problem.

Description

Secondary ejection mechanism of injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold secondary ejection mechanism.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used for batch production of parts with complex shapes, and particularly relates to a method for injecting heated and molten plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

In the prior art, when a formed product in an injection mold is subjected to demolding and taking under external force, the appearance is easily stressed unevenly, so that the appearance of the formed product is extruded, the formed product is deformed and even damaged, the quality of the formed product is reduced, and the product quality is reduced.

We have therefore proposed a secondary ejection mechanism for an injection mold in order to solve the problems set forth above.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having the shaping article among the prior art when carrying out the drawing of patterns under the external force, the outward appearance atress is inhomogeneous, suffers the extrusion easily, makes the shaping article take place to deform and receives the damage even to reduce the quality of shaping article, reduced product quality's problem, and the injection mold secondary ejection mechanism who provides.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold secondary ejection mechanism, includes the injection mold body, there is the motor bottom of injection mold body inside through supplementary piece fixed mounting, the output fixed mounting of motor has first gear, the tooth meshing of first gear is connected with the second gear, the top fixed mounting of second gear has the threaded rod, the surface thread cover of threaded rod is equipped with the fixed plate, the top fixed mounting of fixed plate has two carriage release levers, two the equal fixed mounting in top of carriage release lever has the jacking piece.

Preferably, the top fixed mounting of fixed plate has two springs, two the equal fixed mounting in the inside top of injection mold body in top of spring, under the cushioning effect of spring, when carriage release lever and jacking piece reciprocate, can be more steady, prevents that jacking piece speed is too fast when upwards ejecting forming die, harm forming die.

Preferably, the top of injection mold body has seted up the mould chamber, two movable holes have been seted up to the bottom in mould chamber, two the surface of jacking piece is the activity respectively and inlays the inside of establishing at two movable holes, and two movable holes make things convenient for the jacking piece to reciprocate, conveniently carry out ejecting work to forming die.

Preferably, the annular groove has been seted up to the inside bottom of second gear, the bottom fixed mounting of second gear has a plurality of stiffeners, and is a plurality of the equal activity of bottom of stiffener inlays the inside of establishing at the annular groove, under the sliding action of a plurality of stiffeners, can reduce frictional force, makes things convenient for the better rotation of second gear.

Preferably, one side fixed mounting of fixed plate surface has two gag lever posts, two the equal fixed mounting in one side of gag lever post surface has the sliding block, under two gag lever posts were to injecing of fixed plate, prevents that the fixed plate is rotatory, makes things convenient for the fixed plate normal upper and lower screw thread slip.

Preferably, two spouts, two have been seted up to inside one side of injection mold body the equal activity of surface of sliding block inlays the inside of establishing at two spouts, under the slip of two sliding blocks, makes things convenient for the gag lever post to reciprocate along with the fixed plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, when using, mould intracavity portion's mould cooling solidification back, at first take off the movable membrane at top, open the external power source of motor this moment, it is rotatory to drive first gear through the output shaft of motor, the second gear of being connected with it meshes rotates thereupon, thereby it is rotatory to drive the threaded rod, this moment under the limiting displacement of gag lever post and sliding block, make the fixed plate rise at threaded rod surface screw thread, promote two carriage release levers and jacking piece upward movement, thereby jack-up the shaping article mould of mould intracavity portion, along with carriage release lever rebound, it is higher more higher to push up the shaping article mould, carry out the secondary jacking, thereby break away from the mould chamber, make things convenient for the staff to take out the shaping article mould more, thereby reach the effect of secondary jacking, when having solved the shaping article and having carried out the drawing of patterns under the external force, the outward appearance atress is inhomogeneous, suffer the extrusion easily, make the shaping article take place to deform and receive the damage even, thereby the quality of shaping article has been reduced, product quality's problem is reduced.

2. The utility model discloses in, two springs at fixed plate top, when the carriage release lever up-and-down motion, played the cushioning effect, two jacking pieces and two movable holes closely laminate, and the movable hole only can let the jacking piece remove through, and a plurality of stiffeners of second gear bottom slide inside the ring channel, play the supporting role to the second gear, can also let the better rotation of second gear.

Drawings

Fig. 1 is a front perspective view of a secondary ejection mechanism of an injection mold of the present invention;

FIG. 2 is a sectional perspective view of the injection mold body of the secondary ejection mechanism of the injection mold of the present invention;

FIG. 3 is a perspective view of another angle structural section structure of the injection mold body of the secondary ejection machine of the injection mold of the present invention;

FIG. 4 is a perspective view of a partial structure of a limiting rod of a secondary ejection mechanism of an injection mold according to the present invention;

fig. 5 is an enlarged schematic view of a in fig. 2.

In the figure:

1. an injection mold body; 2. a mold cavity; 3. a fixing plate; 4. a travel bar; 5. a first gear; 6. a motor; 7. a spring; 8. a limiting rod; 9. a second gear; 10. a threaded rod; 11. a movable hole; 12. jacking blocks; 13. a slider; 14. a chute; 15. a reinforcing rod; 16. an annular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an injection mold secondary ejection machine, including injection mold body 1, there is motor 6 bottom of injection mold body 1 inside through supplementary piece fixed mounting, the output fixed mounting of motor 6 has first gear 5, the tooth meshing of first gear 5 is connected with second gear 9, the top fixed mounting of second gear 9 has threaded rod 10, the surface thread cover of threaded rod 10 is equipped with fixed plate 3, the top fixed mounting of fixed plate 3 has two movable rods 4, the equal fixed mounting in top of two movable rods 4 has jacking piece 12.

As shown in fig. 2-4, two springs 7 are fixedly mounted on the top of the fixing plate 3, the tops of the two springs 7 are fixedly mounted on the top inside the injection mold body 1, and under the buffer action of the springs 7, when the moving rod 4 and the jacking block 12 move up and down, the moving rod and the jacking block can be more stable, so that the jacking block 12 is prevented from being ejected upwards out of the forming mold at too high speed to damage the forming mold.

As shown in fig. 1-3, a mold cavity 2 is formed at the top of an injection mold body 1, two movable holes 11 are formed at the bottom of the mold cavity 2, the outer surfaces of two jacking blocks 12 are movably embedded in the two movable holes 11 respectively, and the two movable holes 11 facilitate the jacking blocks 12 to move up and down, so that the forming mold can be conveniently ejected.

As shown in fig. 2-3 and 5, an annular groove 16 is formed in the bottom of the inside of the second gear 9, a plurality of reinforcing rods 15 are fixedly mounted at the bottom of the second gear 9, the bottoms of the reinforcing rods 15 are movably embedded in the annular groove 16, and under the sliding action of the reinforcing rods 15, friction force can be reduced, so that the second gear 9 can rotate better.

As shown in fig. 2-4, two limiting rods 8 are fixedly mounted on one side of the outer surface of the fixing plate 3, sliding blocks 13 are fixedly mounted on one sides of the outer surfaces of the two limiting rods 8, and the fixing plate 3 is prevented from rotating under the limitation of the two limiting rods 8 on the fixing plate 3, so that the fixing plate 3 can conveniently slide in the vertical direction.

As shown in fig. 4, two sliding grooves 14 have been seted up to the inside one side of injection mold body 1, and the equal activity of surface of two sliding blocks 13 is inlayed and is established in the inside of two sliding grooves 14, under the slip of two sliding blocks 13, makes things convenient for gag lever post 8 to reciprocate along with fixed plate 3.

The use method and the working principle of the device are as follows: when the injection mold is used, the plastic melted by heat is injected into the mold cavity 2, after cooling and solidification, a formed product mold is obtained, then the movable film at the top is ejected and taken down through the jacking mechanism of the injection mold body 1, at the moment, the external power supply of the motor 6 is turned on, the first gear 5 is driven to rotate through the rotation of the output shaft of the motor 6, the second gear 9 connected with the first gear 5 in a meshed mode rotates along with the first gear, so as to drive the threaded rod 10 to rotate, at the moment, under the limiting action of the limiting rod 8 and the sliding block 13, the fixed plate 3 is enabled to ascend on the outer surface of the threaded rod 10 through the threads, the two movable rods 4 and the jacking block 12 are pushed to move upwards, so that the formed product mold in the mold cavity 2 is jacked upwards, and the formed product mold is jacked higher and higher along with the upward movement of the movable rods 4, and secondary ejection is carried out, thereby break away from mould chamber 2, make things convenient for the staff to take out the shaping article mould more, thereby reach the ejecting effect of secondary, when having solved the shaping article and having carried out the drawing of patterns under the exogenic action, the outward appearance atress is inhomogeneous, suffer the extrusion easily, make the shaping article take place to deform and receive the damage even, thereby the quality of shaping article has been reduced, reduce product quality's problem, two springs 7 at fixed plate 3 top, when the upper and lower motion of carriage release lever 4, the cushioning effect has been played, two jacking blocks 12 and two movable holes 11 closely laminate, movable holes 11 only can let jacking block 12 remove and pass through, a plurality of stiffeners 15 of second gear 9 bottom slide inside ring channel 16, play the supporting role to second gear 9, can also let second gear 9 rotate better.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides an injection mold secondary ejection mechanism, includes injection mold body (1), its characterized in that: the bottom of injection mold body (1) inside has motor (6) through supplementary piece fixed mounting, the output fixed mounting of motor (6) has first gear (5), the tooth meshing of first gear (5) is connected with second gear (9), the top fixed mounting of second gear (9) has threaded rod (10), the surface thread cover of threaded rod (10) is equipped with fixed plate (3), the top fixed mounting of fixed plate (3) has two carriage release levers (4), two the equal fixed mounting in top of carriage release lever (4) has jacking piece (12).

2. The injection mold secondary ejection mechanism of claim 1, wherein: the top of fixed plate (3) is fixed with two springs (7), two the equal fixed mounting in top of injection mold body (1) in top of spring (7).

3. The injection mold secondary ejection mechanism of claim 1, wherein: the injection mold comprises an injection mold body (1), wherein a mold cavity (2) is formed in the top of the injection mold body (1), two movable holes (11) are formed in the bottom of the mold cavity (2), and the outer surfaces of two jacking blocks (12) are movably embedded in the two movable holes (11) respectively.

4. The injection mold secondary ejection mechanism of claim 1, wherein: annular groove (16) have been seted up to the inside bottom of second gear (9), the bottom fixed mounting of second gear (9) has a plurality of stiffener (15), and is a plurality of the bottom of stiffener (15) is all the activity to inlay and is established in the inside of annular groove (16).

5. The injection mold secondary ejection mechanism of claim 1, wherein: one side fixed mounting of fixed plate (3) surface has two gag lever post (8), two the equal fixed mounting in one side of gag lever post (8) surface has sliding block (13).

6. The injection mold secondary ejection mechanism of claim 5, wherein: two sliding grooves (14) are formed in one side of the interior of the injection mold body (1), and the outer surfaces of the sliding blocks (13) are movably embedded in the two sliding grooves (14).

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