CN209886642U

CN209886642U - Combined engine cylinder casting mold

Info

Publication number: CN209886642U
Application number: CN201920623719.9U
Authority: CN
Inventors: 曾进; 麻波; 陶文彦
Original assignee: Guizhou Hengsheng Foundry Technology Co Ltd
Current assignee: Guizhou Hengsheng Foundry Technology Co Ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-01-03
Anticipated expiration: 2029-05-05

Abstract

The utility model discloses a modular engine cylinder body casting mould, including left mould and right mould, the both sides of left side mould are close to middle part position symmetric welding and have the direction side pipe of arranging of level and the vertical side's of bearing pipe of arranging, the side's of bearing pipe lies in the lower part of direction side pipe, bear the square intraductal square piece of drive that runs through the cover and be equipped with sliding connection of managing, the top clearance of the square piece of drive runs through the bottom table wall of direction side pipe and is equipped with first inclined plane, and the bottom is equipped with the second inclined plane parallel with first inclined plane. The utility model discloses in, behind left mould and the right mould compound die, the hydro-cylinder fuel feeding action on the right mould drives square board and utilizes the cooperation on third inclined plane and first inclined plane to promote the square piece of drive downshifting, and the square piece other end of drive utilizes the third inclined plane on the second inclined plane effect application of force board, can drive left mould and right mould subtend locking, and this kind utilizes the size of inclined plane staggered movement production compound die more accurate, and the compound die power is big moreover.

Description

Combined engine cylinder casting mold

Technical Field

The utility model relates to an engine cylinder body mould technical field especially relates to a modular engine cylinder body casting mould.

Background

The engine cylinder block is a support and a carrier of the whole engine, and the precision of the size of the engine cylinder block directly influences the performance of the whole engine.

The existing manufacturing of the engine cylinder body is generally formed by casting through a mold, the structure of the engine cylinder body is complex, the structure of the mold is generally cast in a combined mode, the mold is formed by a plurality of modules, the matching often causes the problems that the mold closing is not thorough and the service life of the oil cylinder is reduced due to the fact that the oil cylinder force of each mold is fast and is maintained for a long time after the main oil cylinder is closed.

Therefore the utility model provides a modular engine cylinder body casting mould.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the combined type engine cylinder body casting mold is provided for solving the problem that the service life is reduced due to insufficient mold clamping force of each combined mold block and long-time pressure maintaining action of a main mold clamping oil cylinder.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a combined type engine cylinder body casting die comprises a left die and a right die, wherein two sides of the left die are symmetrically welded near the middle position to form a horizontally arranged guide square pipe and a vertically arranged bearing square pipe, the bearing square pipe is positioned at the lower part of the guide square pipe, a driving square block in sliding connection is sleeved in the bearing square pipe in a penetrating manner, a top gap of the driving square block penetrates through the bottom surface wall of the guide square pipe and is provided with a first inclined surface, the bottom of the driving square block is provided with a second inclined surface parallel to the first inclined surface, two sides of the right die are symmetrically connected with oil cylinders through bolts, the oil cylinders are horizontally arranged, square plates are welded at one ends of piston shafts on the oil cylinders, the square plates correspond to the bearing square pipe, one ends of the square plates are provided with a third inclined surface parallel to the first inclined surface, two sides of the right die are positioned at the lower part of the oil cylinders, and are symmetrically welded with horizontally arranged force application plates, one ends of the force, and a fourth inclined plane which is parallel to the second inclined plane and is matched with the second inclined plane is arranged at the top of the limiting plate.

As a further description of the above technical solution:

an annular cavity is formed in the bearing square tube, an annular plate is welded to the outer side of the driving square block, and a return spring is arranged between the bottom of the annular cavity and the annular plate.

As a further description of the above technical solution:

the one end welding of non-distribution face has four travelers on the mould of right side, four the cover is equipped with the mounting panel on the traveler, it is equipped with pretension spring to lie in the cover between mounting panel and the right mould on the traveler.

As a further description of the above technical solution:

the horizontal minimum inclination angle of the first inclined plane is 45-50 degrees.

As a further description of the above technical solution:

the inner surface wall of the square plate and the inner surface wall of the guide square tube are in transition fit connection.

As a further description of the above technical solution:

the lower part symmetrical welding that the both sides of left mould are located bearing square pipe has spacing cylinder, one side cooperation use of spacing cylinder and limiting plate.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, behind left mould and the right mould compound die, the hydro-cylinder fuel feeding action on the right mould drives square board and utilizes the cooperation on third inclined plane and first inclined plane to promote the square piece of drive downshifting, and the square piece other end of drive utilizes the third inclined plane on the second inclined plane effect application of force board, can drive left mould and right mould subtend locking, and this kind utilizes the size of inclined plane staggered movement production compound die more accurate, and the compound die power is big moreover.

2. The utility model discloses in, the right side of right mould is equipped with the mounting panel of relative horizontal slip, installs the mounting panel at outside main stroke hydro-cylinder, and after main stroke hydro-cylinder action compound die, the compound die power of left mould and right mould can be guaranteed to the hydro-cylinder action on the right mould, need not the main stroke hydro-cylinder and continues to carry out the high-pressure pressurize, prolongs the life of main stroke hydro-cylinder.

Drawings

Fig. 1 is a schematic structural view of a combined engine cylinder casting mold provided by the present invention;

fig. 2 is a schematic structural view of a partial cross-sectional view of a left mold of a combined engine cylinder casting mold provided by the present invention;

fig. 3 is a schematic structural view of a right mold of the combined engine cylinder casting mold provided by the present invention;

fig. 4 is the utility model provides a modular engine cylinder body casting mould's left mould and right mould connect's schematic structure view.

Illustration of the drawings:

1. a left die; 2. a right die; 3. guiding a square tube; 4. carrying a square tube; 5. driving the square block; 6. a first inclined plane; 7. a second inclined plane; 8. an oil cylinder; 9. a square plate; 10. a third inclined plane; 11. a force application plate; 12. a limiting plate; 13. a fourth slope; 14. an annular cavity; 15. an annular plate; 16. a return spring; 17. a traveler; 18. mounting a plate; 19. pre-tightening the spring; 20. and a limiting cylinder.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a combined type engine cylinder body casting die comprises a left die 1 and a right die 2, a horizontally arranged guide square tube 3 and a vertically arranged bearing square tube 4 are symmetrically welded at the positions, close to the middle, of two sides of the left die 1, the bearing square tube 4 is positioned at the lower part of the guide square tube 3, a driving square block 5 in sliding connection is sleeved in the bearing square tube 4 in a penetrating manner, a top gap of the driving square block 5 penetrates through the bottom surface wall of the guide square tube 3 and is provided with a first inclined surface 6, the bottom of the driving square block is provided with a second inclined surface 7 parallel to the first inclined surface 6, two sides of the right die 2 are symmetrically connected with oil cylinders 8 through bolts, the oil cylinders 8 are horizontally arranged, one ends of piston shafts on the oil cylinders are welded with square plates 9, the square plates 9 correspond to the bearing square tube 4, one end of each square plate is provided with a third inclined surface 10 parallel to the first inclined surface 6, two sides of the right die 2 are symmetrically welded with, one end of the force application plate 11 extends out of the parting surface of the force application plate and is welded with a limiting plate 12 which is vertically arranged, and the top of the limiting plate 12 is provided with a fourth inclined surface 13 which is parallel to the second inclined surface 7 and is matched with the second inclined surface for use.

Specifically, as shown in fig. 2, an annular cavity 14 is formed in the square bearing tube 4, an annular plate 15 is welded to the outer side of the square driving block 5, and a return spring 16 is arranged between the bottom of the annular cavity 14 and the annular plate 15.

Specifically, as shown in fig. 1, four sliding columns 17 are welded at one end of the non-parting surface on the right die 2, a mounting plate 18 is sleeved on each sliding column 17, and a pre-tightening spring 19 is sleeved on each sliding column 17 and positioned between the mounting plate 18 and the right die 2.

Specifically, as shown in fig. 2, the horizontal minimum inclination angle of the first slope 6 is 45 to 50 °.

Specifically, as shown in fig. 4, the square plate 9 is in transition fit connection with the inner surface wall of the square guide tube 3.

Specifically, as shown in fig. 4, the limiting cylinders 20 are symmetrically welded to the lower portions of the square bearing pipes 4 at the two sides of the left die 1, and the limiting cylinders 20 are used in cooperation with one side of the limiting plate 12.

The working principle is as follows: when the die is used, the left die 1 and the right die 2 are installed on an external die-casting machine in a left-right movement closing mode, wherein the right die 2 is connected with the die-casting machine through the installation plate 18, the left die 1 is a fixed die, the right die 2 is a movable die, when the die is closed, a main oil cylinder on the external die-casting machine acts to push the right die 2 to move leftwards and coincide with the left die 1, the limiting plate 16 on the force application plate 11 moves to the lower part of the bearing square tube 4, at the moment, the oil cylinder 8 acts to drive the square plate 9 to move leftwards, the square plate 9 enters the guide square tube 3, the square block 5 is driven to move downwards through the staggered movement of the third inclined surface 10 and the first inclined surface 6, the square block 5 is driven to drive the whole right die 2 to extrude the left die 1 through the extrusion staggered movement of the second inclined surface 7 and the fourth; meanwhile, the mounting plate 18 on the right die 2 is connected in a left-right sliding mode, so that a main oil cylinder on an external die casting machine does not directly push the right die 2, the die assembly of the right die 2 and the left die 1 can be realized by utilizing the pre-tightening spring 19, the oil cylinder 8 already realizes the locking of the left die 1 and the right die 2, the main oil cylinder on the die casting machine is not needed to perform high-pressure maintaining at the moment, and the service life can be prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a modular engine cylinder body casting mould, includes left mould (1) and right mould (2), its characterized in that, the both sides of left mould (1) are close to middle part position symmetric welding has direction side's pipe (3) of horizontal arrangement and the square pipe of bearing (4) of vertical arrangement, square pipe of bearing (4) are located the lower part of direction side's pipe (3), it is equipped with sliding connection's the square piece of drive (5) to run through the cover in square pipe of bearing (4), the top clearance of the square piece of drive (5) runs through the bottom surface wall of direction side's pipe (3) and is equipped with first inclined plane (6), and the bottom is equipped with second inclined plane (7) parallel with first inclined plane (6), the bilateral symmetry of right mould (2) has hydro-cylinder (8) through bolted connection, hydro-cylinder (8) are horizontal arrangement, and the one end welding of piston shaft has square board (9) on it, square board (9) and square pipe of bearing (4, and one end of the right die is provided with a third inclined plane (10) parallel to the first inclined plane (6), the two sides of the right die (2) are symmetrically welded to the lower part of the oil cylinder (8) and are provided with force applying plates (11) horizontally arranged, one end of each force applying plate (11) extends out of a parting surface of each force applying plate and is provided with a limiting plate (12) vertically arranged in a welded mode, and the top of each limiting plate (12) is provided with a fourth inclined plane (13) which is parallel to the second inclined plane (7) and is matched with the second inclined plane for use.

2. The combined engine block casting mold according to claim 1, characterized in that an annular cavity (14) is formed in the bearing square pipe (4), an annular plate (15) is welded to the outer side of the driving square block (5), and a return spring (16) is arranged between the bottom of the annular cavity (14) and the annular plate (15).

3. The combined engine block casting mold according to claim 1, characterized in that four sliding columns (17) are welded at one end of the non-parting surface of the right mold (2), a mounting plate (18) is sleeved on the four sliding columns (17), and a pre-tightening spring (19) is sleeved on the sliding columns (17) and positioned between the mounting plate (18) and the right mold (2).

4. A combined engine block casting mold according to claim 1, characterized in that the horizontal minimum inclination angle of the first bevel (6) is 45-50 °.

5. The combined engine block casting mold according to claim 1, characterized in that the square plate (9) and the inner surface wall of the square guide tube (3) are in transition fit connection.

6. The combined engine block casting mold according to claim 1, wherein the two sides of the left mold (1) are symmetrically welded with limiting cylinders (20) at the lower part of the bearing square pipe (4), and the limiting cylinders (20) are used in cooperation with one side of the limiting plate (12).