CN209753969U

CN209753969U - Die-casting die

Info

Publication number: CN209753969U
Application number: CN201822165744.5U
Authority: CN
Inventors: 余华宝
Original assignee: Yueqing Hongmai Electronics Co Ltd
Current assignee: Yueqing Hongmai Electronics Co Ltd
Priority date: 2018-12-22
Filing date: 2018-12-22
Publication date: 2019-12-10
Anticipated expiration: 2028-12-22

Abstract

The utility model relates to a die casting die, including movable mould die holder, movable mould, quiet die holder, quiet mould, cushion, push pedal and insert, be equipped with the elongated slot on the pouring intracavity wall, follow be equipped with a plurality of return grooves on elongated slot length direction's the both sides, be equipped with the elasticity guide pulley subassembly in the return groove, the elasticity guide pulley subassembly includes fixed axle, bearing, locating piece and elastic component, and the both ends of fixed axle stretch into the return inslot of elongated slot both sides and can be at the return inslot back-and-forth movement, and the both ends at the fixed axle are fixed to the locating piece, and elastic component one end is fixed with the locating piece, and the other end is fixed with the lateral wall of elongated slot, and the bearing is fixed. Through the arrangement of the elastic guide wheel assembly and the arrangement of the adaptive guide groove on the push plate, the sliding friction between the push plate and the inner wall of the pouring cavity is changed into rolling friction, so that the problem that the push plate is easy to block is solved.

Description

Die-casting die

Technical Field

The utility model relates to a die casting die technical field, concretely relates to die casting die.

Background

The metal die casting is a process of filling molten metal into a die casting mold cavity at a high speed under a high pressure, and solidifying the molten metal under a high pressure state to form a metal die casting, which is one of the most efficient metal casting methods at present. The existing die has the basic structure of a movable die holder, a movable die, a static die holder, a static die, a cushion block, a push plate and an insert, and when the movable die and the static die are assembled, a product forming cavity is formed between a pouring cavity on the insert and a convex die of the static die.

The structure between the existing push plate and the pouring cavity has the following problems that when the gap between the push plate and the inner wall of the pouring cavity is too large, the push plate is easy to incline, so that the position of a part is deviated, and the product percent of pass is reduced; after the clearance between the inner wall in push pedal and the pouring chamber is too tight for undersize, the dead problem of push pedal card appears easily to increase the probability that the part was released to fail after the part shaping.

SUMMERY OF THE UTILITY MODEL

To the not enough in the background art, the utility model provides a die casting die.

The utility model adopts the technical proposal that: a die-casting die comprises a movable die holder, a movable die, a static die holder, a static die, a cushion block, a push plate and an insert, the movable die is provided with a cavity for installing an insert, the insert is provided with a pouring cavity, the static die is provided with a convex die, the push plate is movably arranged in the casting cavity, the inner wall of the casting cavity is provided with an elongated slot, two sides along the length direction of the elongated slot are provided with a plurality of return grooves, an elastic guide wheel component is arranged in the return groove, the elastic guide wheel component comprises a fixed shaft, a bearing, a positioning block and an elastic piece, two ends of the fixed shaft extend into the return grooves on two sides of the long groove and can move back and forth in the return grooves, the positioning blocks are fixed at two ends of the fixed shaft, one end of the elastic element is fixed with the positioning blocks, the other end of the elastic element is fixed with the side wall of the long groove, the bearing is fixed on the fixed shaft, and the push plate is provided with a guide groove matched with the end face of the upper bearing.

Further, the elastic member is a spring.

Furthermore, the return groove and the return groove which are positioned on the same side of the long groove are separated by a partition plate.

Further, still include ejecting mechanism, ejecting mechanism includes backing plate, bottom plate, cylinder, ejector pin and release spring, the backing plate fix on the movable mould die holder, be equipped with the cavity on the backing plate, the cylinder fix in the cavity, the output of cylinder is fixed with bottom plate lower terminal surface, ejector pin one end activity pass insert and movable mould on the ejecting hole stretch into pouring intracavity and push pedal fixed connection, the other end and bottom plate up end fixed connection, release spring suit on the ejector pin between movable mould die holder and bottom plate.

Furthermore, the static die is provided with a guide rod, and the movable die is provided with a guide hole for inserting the guide rod.

Furthermore, a pouring gate is arranged on the movable die base and the movable die, and a pouring gate sleeve is arranged in the pouring gate.

Further, the distance between the centers of the bearings adjacent to the elastic guide wheel assembly and the center of the bearing is smaller than the thickness of the push plate.

The utility model has the advantages that: the utility model discloses a set up the elasticity leading wheel subassembly to set up the guide way of adaptation in the push pedal, make the sliding friction of push pedal and pouring intracavity wall change rolling friction into, thereby solve the easy dead problem of card of push pedal, in addition, the guide way of push pedal is gone into to the bearing card of elasticity leading wheel subassembly, plays fine guide effect, simultaneously under the pressure of elastic component, makes the lateral wall of bearing and push pedal closely laminate, thereby avoids the push pedal slope, guarantees that the push pedal steadily releases the shaping part.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view a of the drawing.

Fig. 3 is a schematic cross-sectional view of B-B in fig. 2.

FIG. 4 is a schematic view of a pusher plate.

In the figure: 1. a movable mould base; 2. moving the mold; 3. a stationary die holder; 4. static molding; 5. cushion blocks; 6. pushing the plate; 7. an insert; 8. a pouring cavity; 9. a male die; 10. a long groove; 11. a return groove; 12. a fixed shaft; 13. a bearing; 14. positioning blocks; 15. an elastic member; 16. a guide groove; 17. a partition plate; 18. a base plate; 19. a base plate; 20. a cylinder; 21. pushing out the rod; 22. a push-out spring; 23. an ejection aperture; 24. a guide bar; 25. a guide hole; 26. a pouring gate; 27. a sprue bush; 28. a cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a die casting die.

In the embodiment, referring to fig. 1 to 4, the die casting mold comprises a movable mold base 1, a movable mold 2, a stationary mold base 3, a stationary mold 4, a cushion block 5, a push plate 6 and an insert 7, wherein the movable mold 2 is provided with a cavity for installing the insert 7, the insert 7 is provided with a pouring cavity 8, the stationary mold 4 is provided with a male mold 9, the push plate 6 is movably arranged in the pouring cavity 8, the inner wall of the pouring cavity 8 is provided with an elongated slot 10, two sides along the length direction of the elongated slot 10 are provided with a plurality of return slots 11, the return slots 11 are internally provided with elastic guide wheel assemblies, each elastic guide wheel assembly comprises a fixed shaft 12, a bearing 13, a positioning block 14 and an elastic member 15, two ends of the fixed shaft 12 extend into the return slots 11 on two sides of the elongated slot 10 and can move back and forth in the return slots 11, the positioning block 14 is fixed at two ends of the fixed shaft, the other end is fixed with the side wall of the long groove, the bearing is fixed on the fixed shaft, and the push plate 6 is provided with a guide groove 16 which is matched with the end surface of the upper bearing.

After through setting up the elasticity leading wheel subassembly, because bearing structure characteristic, make pouring cavity upper end opening great, easily the terrace die stretches into the pouring cavity, set up the guide way of adaptation in the push pedal simultaneously, make the sliding friction of push pedal and pouring intracavity wall change rolling friction into, thereby solve the easy dead problem of card of push pedal, in addition, the guide way of push pedal is gone into to the bearing card of elasticity leading wheel subassembly, play fine guide effect, simultaneously under the pressure of elastic component, make the bearing closely laminate with the lateral wall of push pedal, thereby avoid the push pedal slope, guarantee that the push pedal steadily releases the shaping part.

In the utility model, the elastic part is a spring; the return groove 11 on the same side of the long groove 10 is separated from the return groove 11 by a partition plate 17. The partition plate 17 is a part of the insert and is used for isolating the smell returning grooves on the same side and simultaneously playing a role in supporting the elastic guide wheel assembly.

The utility model discloses in, still include ejecting mechanism, ejecting mechanism includes backing plate 18, bottom plate 19, cylinder 20, ejector beam 21 and release spring 22, backing plate 18 fix on movable mould die holder 1, be equipped with cavity 28 on the backing plate 18, the cylinder fix in cavity 28, the output of cylinder is fixed with terminal surface under the bottom plate, the activity of ejector beam 21 one end pass insert 7 and the ejection hole 23 on the movable mould 2 and stretch into pouring cavity and push pedal fixed connection, the other end and bottom plate up end fixed connection, release spring suit on ejector beam 21 between movable mould die holder and bottom plate. The push-out mechanism is used for driving the push plate to act so as to push out the molded part.

The static die is provided with a guide rod 24, and the movable die is provided with a guide hole 25 for inserting the guide rod 24; the movable die base 1 and the movable die 2 are provided with a sprue gate 26, and a sprue gate sleeve 27 is arranged in the sprue gate 26. Through setting up guide bar and guiding hole, improve the accuracy of quiet mould and movable mould compound die, guarantee product quality.

In order to improve the smooth transition of the push plate 6 between the bearing 13 and avoid the problem of clamping stagnation of the push plate, the distance between the centers of the adjacent bearings of the elastic guide wheel assemblies and the center of the bearing is smaller than the thickness of the push plate 6.

The utility model discloses a set up the elasticity leading wheel subassembly to set up the guide way of adaptation in the push pedal, make the sliding friction of push pedal and pouring intracavity wall change rolling friction into, thereby solve the easy dead problem of card of push pedal, in addition, the guide way of push pedal is gone into to the bearing card of elasticity leading wheel subassembly, plays fine guide effect, simultaneously under the pressure of elastic component, makes the lateral wall of bearing and push pedal closely laminate, thereby avoids the push pedal slope, guarantees that the push pedal steadily releases the shaping part.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims

1. The utility model provides a die casting die, includes movable mould die holder, movable mould, quiet mould die holder, quiet mould, cushion, push pedal and inserts, be equipped with the cavity that is used for installing the insert on the movable mould, be equipped with the pouring cavity on inserting, be equipped with the terrace die on the quiet mould, the push pedal activity set up in the pouring cavity, its characterized in that: the inner wall of the pouring cavity is provided with an elongated slot, two sides along the length direction of the elongated slot are provided with a plurality of return slots, an elastic guide wheel assembly is arranged in each return slot and comprises a fixed shaft, a bearing, a positioning block and an elastic part, two ends of the fixed shaft extend into the return slots on two sides of the elongated slot and can move back and forth in the return slots, the positioning blocks are fixed at two ends of the fixed shaft, one end of the elastic part is fixed with the positioning block, the other end of the elastic part is fixed with the side wall of the elongated slot, the bearing is fixed on the fixed shaft, and the push plate is provided with a guide slot matched with the end face of the.

2. The die casting mold of claim 1, wherein: the elastic piece is a spring.

3. A die casting mold as claimed in claim 1 or 2, characterized in that: the return groove and the return groove which are positioned on the same side of the long groove are separated by a partition plate.

4. A die casting mold as claimed in claim 1 or 2, characterized in that: still include ejecting mechanism, ejecting mechanism includes backing plate, bottom plate, cylinder, ejector pin and release spring, the backing plate fix on the movable mould die holder, be equipped with the cavity on the backing plate, the cylinder fix in the cavity, the output of cylinder is fixed with bottom plate lower terminal surface, ejector pin one end activity pass insert and movable mould on the ejecting hole stretch into pouring intracavity and push pedal fixed connection, the other end and bottom plate up end fixed connection, release spring suit on the ejector pin between movable mould die holder and bottom plate.

5. A die casting mold as claimed in claim 1 or 2, characterized in that: the static die is provided with a guide rod, and the movable die is provided with a guide hole for inserting the guide rod.

6. A die casting mold as claimed in claim 1 or 2, characterized in that: the movable die base and the movable die are provided with pouring gates, and pouring gate sleeves are arranged in the pouring gates.

7. A die casting mold as claimed in claim 1 or 2, characterized in that: the distance between the centers of the bearings adjacent to the elastic guide wheel assembly and the center of the bearing is smaller than the thickness of the push plate.