CN210334293U - Ejection mechanism for precision mold - Google Patents

Abstract

The utility model discloses an ejection mechanism for precision mold relates to mould technical field, for solving current ejection mechanism for the mould and lacking accurate guiding mechanism for ejection mechanism can squint the perpendicular track with mould benevolence when ejecting, leads to the unable problem by ejecting mould benevolence of die-casting fashioned machine part. Be provided with the fixed plate on the outer wall of pneumatic cylinder, the lower extreme of pneumatic cylinder is provided with the ejector pin, be provided with slide mechanism on the outer wall of ejector pin, all be provided with the slider on slide mechanism's the both sides outer wall welded connection, slide mechanism's inside is provided with fixed cover, the one end of ejector pin runs through and extends to the outside of fixed cover, the inside splint that are provided with of fixed cover, be provided with the fixing base on slide mechanism's the inner wall, the below of fixing base is provided with the stripper plate, be provided with the spring between stripper plate and the fixing base.

Description

Ejection mechanism for precision mold

Technical Field

The utility model relates to the technical field of mold, specifically be an ejection mechanism for precision mold.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The die is a precision tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, and has one of important marks of the mechanical manufacturing level.

The die for the die-casting machine part needs to eject out the die core through the ejection mechanism in the using process of the die, and the traditional ejection mechanism for the die lacks of an accurate guide mechanism, so that the ejection mechanism can deviate from a vertical track of the die core when being ejected out, and the problem that the die-casting machine part cannot eject out the die core is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ejection mechanism for precision mold to traditional ejection mechanism for mold that provides in solving above-mentioned background lacks accurate guiding mechanism, makes ejection mechanism can squint the perpendicular track with mould benevolence when ejecting, leads to the unable problem by ejecting mould benevolence of die-casting fashioned machine part.

In order to achieve the above object, the utility model provides a following technical scheme: an ejection mechanism for a precision mold comprises a hydraulic cylinder, wherein a fixed plate is arranged on the outer wall of the hydraulic cylinder, an ejector rod is arranged at the lower end of the hydraulic cylinder, a sliding mechanism is arranged on the outer wall of the ejector rod, sliding blocks are arranged on the outer walls of the two sides of the sliding mechanism and are welded and connected with the outer walls of the two sides of the sliding mechanism, a fixed sleeve is arranged inside the sliding mechanism, one end of the ejector rod penetrates through and extends to the outside of the fixed sleeve, a clamping plate is arranged inside the fixed sleeve, a fixed seat is arranged on the inner wall of the sliding mechanism, an extrusion plate is arranged below the fixed seat, a spring is arranged between the extrusion plate and the fixed seat, the two ends of the spring are welded and connected with the extrusion plate and the outer wall of the fixed seat, a bolt is arranged on the lower surface of, the track mechanism is arranged below the sliding mechanism, the receiving plate is arranged inside the track mechanism, sliding rails are arranged at two ends of the receiving plate, and the sliding mechanism is connected with the sliding rails at two ends of the receiving plate in a sliding mode through sliding blocks.

Preferably, be provided with the mounting panel on one side outer wall of slide rail, the inside of mounting panel is provided with the connecting hole, the connecting hole is provided with four, and four connecting holes set up on same water flat line.

Preferably, the outer walls of the two sides of the fixing plate are provided with mounting holes, and the mounting holes and the fixing plate are of an integral structure.

Preferably, the number of the clamping plates is four, and the four clamping plates are symmetrically distributed about the central point of the fixing sleeve.

Preferably, the upper surface of the extrusion plate is provided with a top rod, and the top rod is arranged inside the spring.

Preferably, the two ends of the sliding rail are provided with limiting blocks, and the vertical center lines of the two limiting blocks are overlapped with each other.

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

the utility model discloses a track mechanism that sets up plays the effect of providing the direction for ejection mechanism's is ejecting, and when ejection mechanism's ejector pin was when the effect of pneumatic cylinder was moved to mould benevolence department, track mechanism was the effect that the ejecting of ejector pin provided the direction, has avoided ejection mechanism can squint the perpendicular track with mould benevolence when ejecting, leads to the problem of the unable ejecting mould benevolence of die-casting fashioned machine part, accomplishes ejection mechanism's for the mould ejecting work.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the track mechanism of the present invention;

fig. 3 is a schematic structural view of the sliding mechanism of the present invention;

FIG. 4 is an enlarged schematic view of part A of the present invention;

in the figure: 1. a hydraulic cylinder; 2. a fixing plate; 3. mounting holes; 4. a top rod; 5. a sliding mechanism; 51. a slider; 52. a splint; 53. fixing a sleeve; 6. a track mechanism; 61. a slide rail; 62. A limiting block; 63. mounting a plate; 64. connecting holes; 65. a bearing plate; 7. a fixed seat; 8. a spring; 9. a top bar; 10. a pressing plate; 11. and (4) bolts.

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.

Referring to fig. 1-4, the present invention provides an embodiment: an ejection mechanism for a precision mold comprises a hydraulic cylinder 1, a fixed plate 2 is arranged on the outer wall of the hydraulic cylinder 1, an ejector rod 4 is arranged at the lower end of the hydraulic cylinder 1, a sliding mechanism 5 is arranged on the outer wall of the ejector rod 4, sliding blocks 51 are arranged on the outer walls of two sides of the sliding mechanism 5 respectively, the sliding blocks 51 are welded with the outer walls of two sides of the sliding mechanism 5, a fixed sleeve 53 is arranged inside the sliding mechanism 5, the fixed sleeve 53 plays a role of being fixed on the outer wall of the ejector rod 4, one end of the ejector rod 4 penetrates through and extends to the outer part of the fixed sleeve 53, a clamping plate 52 is arranged inside the fixed sleeve 53, a fixed seat 7 is arranged on the inner wall of the sliding mechanism 5, the fixed seat 7 plays a role of fixing a spring 8, an extrusion plate 10 is arranged below the fixed seat 7, a spring 8 is arranged between the extrusion plate, the lower surface of the extrusion plate 10 is provided with a bolt 11, the extrusion plate 10 is fixedly connected with the outer wall of the clamping plate 52 through the bolt 11, the track mechanism 6 is arranged below the sliding mechanism 5, the receiving plate 65 is arranged inside the track mechanism 6, the two ends of the receiving plate 65 are both provided with sliding rails 61, and the sliding mechanism 5 is connected with the sliding rails 61 at the two ends of the receiving plate 65 in a sliding manner through a sliding block 51.

Further, a mounting plate 63 is arranged on the outer wall of one side of the slide rail 61, connecting holes 64 are formed in the mounting plate 63, four connecting holes 64 are formed in the mounting plate 63, the four connecting holes 64 are arranged on the same horizontal line, and the connecting holes 64 formed in the mounting plate 63 play a role in mounting the track mechanism 6 inside a mold, so that a guiding role is provided for the ejection work of the ejection mechanism.

Further, all be provided with mounting hole 3 on the both sides outer wall of fixed plate 2, and mounting hole 3 and fixed plate 2 structure as an organic whole, mounting hole 3 that all set up on the both sides outer wall of fixed plate 2 plays and installs fixed plate 2 in the inside one of mould to reach the effect fixed to pneumatic cylinder 1 of ejection mechanism through fixed plate 2.

Further, the number of the clamping plates 52 is four, the four clamping plates 52 are symmetrically distributed about the central point of the fixing sleeve 53, the four clamping plates 52 are used for fixing the ejector rod 4, and the four clamping plates 52 are symmetrically distributed about the central point of the fixing sleeve 53, so that the purpose of fixing ejector rods with different diameters is achieved.

Further, the upper surface of stripper plate 10 is provided with ejector pin 9, and ejector pin 9 sets up in the inside of spring 8, and ejector pin 9 that the upper surface of stripper plate 10 set up plays the effect that drives stripper plate 10 extrusion downwards, under the extrusion of stripper plate 10 to drive four splint 52 and carry out firm fixed work to the outer wall of ejector pin 4.

Further, both ends of the slide rail 61 are provided with the limiting blocks 62, and the vertical center lines of the two limiting blocks 62 coincide with each other, the limiting blocks 62 arranged at both ends of the slide rail 61 play a role in limiting the sliding distance of the sliding mechanism 5, and the vertical center lines of the two limiting blocks 62 coincide with each other to achieve a role in controlling the ejection degree of the ejection mechanism.

The working principle is as follows: when the ejection mechanism is used, the fixed plate 2 is placed on the outer wall of the hydraulic cylinder 1, the hydraulic cylinder 1 is fixed inside a mold through the mounting hole 3, the fixed sleeve 53 is sleeved on the outer wall of the ejector rod 4, the spring 8 inside the fixed sleeve 53 drives the clamping plate 52 to install the sliding mechanism 5 on the outer wall of the ejector rod 4, the track mechanisms 6 are installed on two sides of the sliding mechanism 5, the sliding mechanism 5 is in sliding connection with the sliding rails 61 at two ends of the bearing plate 65 through the sliding blocks 51, when the ejector rod 4 of the ejection mechanism moves towards the mold core under the action of the hydraulic cylinder 1, the track mechanisms 6 provide guiding effect for ejection of the ejector rod 4, the problem that the ejection mechanism can deviate from the vertical rail of the mold core when being ejected, so that the mechanical parts formed by die casting cannot be ejected out is avoided, and ejection work of the ejection mechanism for.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a precision is ejection mechanism for mould, includes pneumatic cylinder (1), its characterized in that: the outer wall of the hydraulic cylinder (1) is provided with a fixed plate (2), the lower end of the hydraulic cylinder (1) is provided with an ejector rod (4), the outer wall of the ejector rod (4) is provided with a sliding mechanism (5), the outer walls of two sides of the sliding mechanism (5) are respectively provided with a sliding block (51), the sliding blocks (51) are welded with the outer walls of two sides of the sliding mechanism (5), the sliding mechanism (5) is internally provided with a fixed sleeve (53), one end of the ejector rod (4) penetrates through and extends to the outside of the fixed sleeve (53), the fixed sleeve (53) is internally provided with a clamping plate (52), the inner wall of the sliding mechanism (5) is provided with a fixed seat (7), an extrusion plate (10) is arranged below the fixed seat (7), a spring (8) is arranged between the extrusion plate (10) and the fixed seat (7), and two ends of the spring (8) are welded with the outer walls of the extrusion plate (10), the lower surface of stripper plate (10) is provided with bolt (11), the outer wall fixed connection of stripper plate (10) through bolt (11) and splint (52), the below of slide mechanism (5) is provided with track mechanism (6), the inside of track mechanism (6) is provided with accepts board (65), the both ends of accepting board (65) all are provided with slide rail (61), slide mechanism (5) are through slider (51) and slide rail (61) sliding connection who accepts board (65) both ends.

2. The ejection mechanism for a precision mold according to claim 1, characterized in that: be provided with mounting panel (63) on one side outer wall of slide rail (61), the inside of mounting panel (63) is provided with connecting hole (64), connecting hole (64) are provided with four, and four connecting holes (64) set up on same water flat line.

3. The ejection mechanism for a precision mold according to claim 1, characterized in that: the outer walls of two sides of the fixing plate (2) are provided with mounting holes (3), and the mounting holes (3) and the fixing plate (2) are of an integrated structure.

4. The ejection mechanism for a precision mold according to claim 1, characterized in that: the number of the clamping plates (52) is four, and the four clamping plates (52) are symmetrically distributed about the central point of the fixing sleeve (53).

5. The ejection mechanism for a precision mold according to claim 1, characterized in that: the upper surface of the extrusion plate (10) is provided with a top rod (9), and the top rod (9) is arranged inside the spring (8).

6. The ejection mechanism for a precision mold according to claim 1, characterized in that: the two ends of the sliding rail (61) are provided with limiting blocks (62), and the vertical center lines of the two limiting blocks (62) are overlapped with each other.

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