CN212070352U

CN212070352U - Die-casting die for large-flow relay valve

Info

Publication number: CN212070352U
Application number: CN202020643998.8U
Authority: CN
Inventors: 夏洪波; 章峻铭
Original assignee: Taizhou City Ruida Machinery Co ltd
Current assignee: Taizhou City Ruida Machinery Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-04
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a large-traffic relay valve die casting die relates to mould technical field, and its technical scheme main points are: including the mould body, the mould body includes movable mould, quiet mould, and movable mould, quiet mould laminating group die cavity, and the movable mould slides and is equipped with the side core, and the movable mould has set firmly and has driven actuating cylinder, and the movable mould is equipped with stop device, and stop device includes spacing seat, gag lever post, and the gag lever post is equipped with the locating part, and the gag lever post is equipped with the stopper, and the tip that drives actuating cylinder piston rod is equipped with the embedded piece, and the side core is equipped with the embedded groove, is equipped with cooling tube in the side core, but the split one-tenth die section. By arranging the driving cylinder and the side mold core, the mold directly carries out die-casting molding on the relay valve, a subsequent welding process is not required, and the mold is convenient; by arranging the limiting device, the side mold core is not easy to damage the internal structures of the movable mold and the static mold in the sliding process; through setting up cooling channel, make the cooling shaping speed of relay valve type spare accelerate.

Description

Die-casting die for large-flow relay valve

Technical Field

The utility model relates to the technical field of mold, in particular to large-traffic relay valve die casting die.

Background

The die-casting die is a method for casting liquid die forging, a process completed on a special die-casting die forging machine. The basic technological process includes low speed or high speed casting of metal liquid, filling the metal liquid into the cavity of the mold with movable cavity surface, and pressurized forging with the metal liquid cooling process to eliminate shrinkage cavity and shrinkage porosity and to make the inner structure of the blank reach the forged crushed crystal grains. The comprehensive mechanical property of the blank is obviously improved.

When the die-cast molded piece is the relay valve, because the side wall of the relay valve is provided with more flow passages, the flow passages are not easy to form by a common die-casting die, the relay valve needs to be divided into two parts to be respectively die-cast and formed, and then the two parts are welded by a welding process, so that the processing efficiency is low, and the relay valve is inconvenient.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a large-traffic relay valve die casting die can directly carry out the die-casting shaping to the relay valve, need not follow-up interpolation welding process, and machining efficiency is high, and is comparatively convenient.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a large-traffic relay valve die casting die, includes the mould body, the mould body includes movable mould, quiet mould, movable mould, quiet mould laminating group die cavity, the movable mould slides and is equipped with a plurality of side cores that are used for the shaping runner, the movable mould sets firmly and is used for driving the actuating cylinder that drives towards the motion of die cavity.

By adopting the technical scheme, the side core and the driving cylinder are arranged, after die assembly, a person operates the driving cylinder to push the side core to move inwards, so that the side core moves into the cavity to form a flow channel in the relay valve, after the relay valve profile piece is subjected to die-casting forming, the side core is driven by the driving cylinder to move outwards to be separated from the relay valve profile piece, the relay valve profile piece can be taken out normally after die opening is facilitated, the die can be used for directly carrying out die-casting forming on the relay valve, a subsequent welding process is not required, and the die is convenient.

The present invention may be further configured in a preferred embodiment as: the side core can be split into a sliding section which is used for extending the molding section of the cavity and is in sliding connection with the movable mold.

Through adopting above-mentioned technical scheme, when one of them part of slip section and shaping section damaged, only need with that part of damage change can, need not to wholly change the side core.

The present invention may be further configured in a preferred embodiment as: the movable mould is provided with a limiting device for limiting the movement distance of the side core, the limiting device comprises a limiting seat and a limiting rod, the limiting seat is fixedly connected with the outer surface of the driving air cylinder, the limiting rod is connected with the limiting seat in a sliding mode, a limiting part is arranged at the end part, facing the movable mould, of the limiting rod, a piston rod of the driving air cylinder is provided with a limiting step used for abutting against the side wall, deviating from the movable mould, of the limiting part, the axis of the limiting rod is coaxial with the air cylinder shaft of the driving air cylinder, and a limiting block for limiting the limiting rod is fixedly arranged at the end part, deviating from.

By adopting the technical scheme, after the side core slides to the position of the molding runner in the cavity, the piston rod of the driving cylinder drives the limiting rod to drive the limiting block to abut against the limiting plate towards the side wall of the movable mold, so that the side core of the cylinder is prevented from continuing to move towards the inside of the movable mold and damaging the structures inside the movable mold and the static mold.

The present invention may be further configured in a preferred embodiment as: the limiting piece is detachable and replaceable.

By adopting the technical scheme, the limiting part is abutted to the limiting step on the piston rod of the driving cylinder, so that the stress is large, the limiting part is easy to damage and deform, the limiting part can be independently replaced, and personnel do not need to replace the whole limiting rod after the limiting part is damaged.

The present invention may be further configured in a preferred embodiment as: the limiting seat is provided with a detection device for detecting the moving position of the limiting rod, and the limiting rod is fixedly provided with a detection block for the detection of the detection device.

By adopting the technical scheme, the detection block is abutted against the detection device after the limiting rod moves, the detection device detects the position of the detection block to generate a detection signal, the detection signal is transmitted to the control system, and the control system controls the driving cylinder to stop moving, so that the movement distance of the side core is controlled.

The present invention may be further configured in a preferred embodiment as: the tip of driving actuating cylinder piston rod is equipped with the embedding piece, the size of embedding piece is greater than the cross section size of piston rod, the side core is equipped with the embedded groove that supplies the embedding piece embedding with the lateral wall that drives actuating cylinder is relative, the embedded groove is the throat form, the size of embedded groove notch is less than the size of embedding piece, the embedded groove link up to the lateral wall formation of side core along movable mould slip direction and supplies the side mouth of embedding piece embedding.

Through adopting above-mentioned technical scheme, the setting of embedded groove, during personnel's accessible will inlay the piece embedding embedded groove, alright messenger drives actuating cylinder and drives the motion of side core, and the piston rod that drives actuating cylinder and the erection joint between the side core are comparatively convenient.

The present invention may be further configured in a preferred embodiment as: each side core is provided with a cooling pipeline for cooling the profile.

Through adopting above-mentioned technical scheme, cooling pipeline can accelerate the cooling of relay valve type spare in the die cavity, improves relay valve type spare machining efficiency.

The present invention may be further configured in a preferred embodiment as: the movable mold is provided with an exhaust passage, and the exhaust passage is communicated with the cavity.

By adopting the technical scheme, the exhaust channel is convenient for the exhaust of gas in the cavity, so that the cavity can be filled with liquid metal, and the quality of the movable valve member after molding is better.

To sum up, the utility model discloses a following at least one useful technological effect:

1. by arranging the driving cylinder and the side mold core, the mold directly carries out die-casting molding on the relay valve, a subsequent welding process is not required, and the mold is convenient;

2. by arranging the limiting device, the side mold core is not easy to damage the internal structures of the movable mold and the static mold in the sliding process;

3. through setting up cooling channel, make the cooling shaping speed of relay valve type spare accelerate.

Drawings

FIG. 1 is a perspective view of a die casting mold for a large flow relay valve according to an embodiment;

FIG. 2 is a schematic structural view of a movable mold according to the embodiment;

fig. 3 is a partial structural diagram of the embodiment.

In the figure, 1, a die body; 11. moving the mold; 111. an exhaust passage; 12. static molding; 14. a side core; 141. a forming section; 142. a sliding section; 15. a driving cylinder; 16. embedding a block; 17. a groove is embedded; 18. a side port; 19. a cooling duct; 2. a limiting device; 21. a limiting seat; 22. a limiting rod; 23. a limiting member; 24. a limiting step; 25. a limiting block; 26. pressing the plate tightly; 27. a detection device; 28. and detecting the block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2, for the utility model discloses a large-traffic relay valve die casting die, including mould body 1, mould body 1 is rectangle, mould body 1 includes movable mould 11, quiet mould 12, and quiet mould 12 is fixed on mould body 1, and movable mould 11 is equipped with a plurality of side cores 14 that are used for the shaping relay valve runner by the drive of outside cylinder towards quiet mould 12 motion, movable mould 11 slip, and side core 14 is equipped with four along the circumference of movable mould 11, and quiet mould 12 is equipped with the inlet channel that supplies the molten metal to flow in, and movable mould 11, the laminating of quiet mould 12 group become the die cavity.

The movable mold 11 is provided with an exhaust channel 111, two ends of the exhaust channel 111 are respectively communicated with the cavity and the outside, and the exhaust channel 111 is arranged to facilitate the exhaust of gas in the cavity, so that the cavity can be filled with liquid metal, and the quality of the movable mold part after molding is better.

The side core 14 can be split into a molding section 141 for extending a cavity and a sliding section 142 for sliding connection with the movable mold 11, the molding section 141 is made of mold steel with good polishing degree and wear resistance, the sliding section 142 is made of common steel, manufacturing cost can be reduced, meanwhile, the mold sliding section 142 is fixedly connected with the molding section 141 through bolts, when one part of the sliding section 142 and the molding section 141 is damaged, only the damaged part needs to be replaced, the side core 14 does not need to be integrally replaced, and cost is further saved.

Referring to fig. 2 and 3, the movable mold 11 is fixedly provided with four driving cylinders 15 for driving the side core 14 to move repeatedly towards the cavity, the side cores 14 corresponding to the driving cylinders 15 are provided with four embedded blocks 16, the end part of a piston rod of the driving cylinder 15 is fixedly provided with an embedded block 16, the size of the embedded block 16 is larger than the cross section size of the piston rod, the side wall of the side core 14 opposite to the driving cylinder 15 is provided with an embedded groove 17 for the embedded block 16 to be embedded in, the embedded groove 17 is in a necking shape, the size of a notch of the embedded groove 17 is smaller than the size of the embedded block 16, the embedded groove 17 is divided into a narrow neck section and a wide bottom section, the width of the narrow neck section is smaller than the width of the embedded block 16 and is larger than the width of the end part of the piston rod of the driving cylinder 15, the width of the wide end is larger than the width of the embedded block 16, the embedded groove 17 penetrates through the side wall of the side core 14 along the sliding direction of the movable mold 11 to form, the driving cylinder 15 can drive the side core 14 to move conveniently.

The side core 14 and the driving cylinder 15 are arranged, after die assembly, a person operates the driving cylinder 15 to push the side core 14 to move inwards, so that the side core 14 moves into the cavity to form a runner in the relay valve, after the relay valve molded part is subjected to die-casting forming, the side core 14 is driven by the driving cylinder 15 to move outwards to be separated from the relay valve molded part, and the relay valve molded part can be taken out normally after die assembly.

The movable mold 11 is provided with a limiting device 2 for limiting the movement distance of the side core 14, the limiting device 2 comprises a limiting seat 21 and a limiting rod 22, the limiting seat 21 is fixedly connected with the outer surface of the driving cylinder 15, the limiting rod 22 is slidably connected with the limiting seat 21, the axis of the limiting rod 22 is coaxial with the cylinder shaft of the driving cylinder 15, the end part of the limiting rod 22 facing the movable mold 11 is provided with a limiting piece 23, the limiting rod 22 is provided with a limiting groove and a limiting nut, the limiting groove is a stepped groove, the limiting piece 23 is sleeved on the limiting rod 22, the two sides of the limiting piece 23 are respectively abutted against the groove wall of the limiting groove and the limiting nut, the piston rod of the driving cylinder 15 is provided with a limiting step 24 for abutting against the side wall of the limiting piece 23 away from the movable mold 11, the limiting piece 23 is connected with a pressing plate 26, the piston rod of the driving cylinder 15 is positioned between the pressing plate, the end part of the limiting rod 22 departing from the movable die 11 is fixedly provided with a limiting block 25 for limiting the limiting rod 22.

Spacing seat 21 is equipped with detection device 27 that detects gag lever post 22 displacement, detection device 27 is travel switch, detection device 27 is equipped with two along gag lever post 22's slip direction interval, gag lever post 22 has set firmly the detection piece 28 that supplies detection device 27 to detect, it is located between two detection switches to detect piece 28, it offsets with detection device 27 to detect piece 28 after gag lever post 22 removes, detection device 27 transmits the detected signal to control system, control system control drives actuating cylinder 15 stop motion, thereby the displacement of control side core 14.

When the detection device 27 fails, the side core 14 slides to the position in the cavity for forming the runner and then continuously extends into the movable mold 11, the piston rod of the driving cylinder 15 drives the limit rod 22 to make the limit block 25 abut against the limit plate towards the side wall of the movable mold 11, and the side core 14 of the cylinder is prevented from continuously moving towards the inside of the movable mold 11 to damage the structures inside the movable mold 11 and the static mold 12. Because the limiting piece 23 is abutted against the limiting step 24 on the piston rod of the driving cylinder 15, the stress is large, the limiting piece 23 is easy to be damaged and deformed, the limiting piece 23 can be independently replaced, and when the limiting piece 23 is damaged, a person does not need to replace the whole limiting rod 22.

And a cooling pipeline 19 for cooling the relay valve type part is arranged in each side core 14, two ends of the cooling pipeline 19 are respectively used for connecting an external cooling water pipe and a water outlet pipe, and the cooling pipeline 19 can accelerate the cooling of the relay valve type part in the cavity and improve the processing efficiency of the relay valve type part.

The implementation principle of the embodiment is as follows: after the movable mold 11 and the static mold 12 are assembled, a piston rod of the driving cylinder 15 extends out to drive the side mold core 14 into the mold cavity, after the side mold core 14 reaches a designated position, the piston rod of the driving cylinder 15 is limited by the limiting rod 22 to stop moving, molten metal enters the mold cavity from the liquid inlet channel to fill the mold cavity, air in the mold cavity is exhausted through the exhaust channel 111, then the mold enters the cooling mode, the side mold core 14 is reset before the mold is opened, the movable mold 11 and the static mold 12 are separated, and the relay valve type part is taken out.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a large-traffic relay valve die casting die, includes mould body (1), mould body (1) includes movable mould (11), quiet mould (12), movable mould (11), quiet mould (12) laminating group die cavity, characterized by: the movable die (11) is provided with a plurality of side cores (14) for molding the runner in a sliding mode, and a driving cylinder (15) for driving the movable die (11) to move towards the cavity is fixedly arranged on the movable die.

2. The die-casting die for the large-flow relay valve as claimed in claim 1, wherein the die-casting die comprises: the side core (14) can be split into a sliding section (142) which is used for extending a molding section (141) of the cavity and is connected with the movable mold (11) in a sliding way.

3. The die-casting die for the large-flow relay valve as claimed in claim 1, wherein the die-casting die comprises: the movable mould (11) is provided with a limiting device (2) for limiting the movement distance of the side core (14), the limiting device (2) comprises a limiting seat (21) and a limiting rod (22), the limiting seat (21) is fixedly connected with the outer surface of the driving cylinder (15), the limiting rod (22) is connected with the limiting seat (21) in a sliding mode, a limiting part (23) is arranged at the end part, facing the movable mould (11), of the limiting rod (22), a limiting step (24) used for being abutted against the side wall, deviating from the movable mould (11), of the limiting part (23) is arranged on a piston rod of the driving cylinder (15), the axis of the limiting rod (22) is coaxial with the cylinder shaft of the driving cylinder (15), and a limiting block (25) for limiting the limiting rod (22) is fixedly arranged at the end part, deviating from the movable mould (11), of the limiting rod (.

4. The die-casting die for the large-flow relay valve as claimed in claim 3, wherein the die-casting die comprises: the limiting piece (23) can be disassembled and replaced.

5. The die-casting die for the large-flow relay valve as claimed in claim 3, wherein the die-casting die comprises: the limiting seat (21) is provided with a detection device (27) for detecting the moving position of the limiting rod (22), and the limiting rod (22) is fixedly provided with a detection block (28) for the detection of the detection device (27).

6. The die-casting die for the large-flow relay valve as claimed in claim 1, wherein the die-casting die comprises: the tip of driving actuating cylinder (15) piston rod is equipped with embedded piece (16), the size of embedded piece (16) is greater than the cross sectional dimension of piston rod, side core (14) are equipped with embedded groove (17) that supply embedded piece (16) embedding with the lateral wall that drives actuating cylinder (15) is relative, embedded groove (17) are the throat form, the size of embedded groove (17) notch is less than the size of embedded piece (16), embedded groove (17) link up to the lateral wall formation of side core (14) along movable mould (11) slip direction and supply side mouth (18) of embedded piece (16) embedding.

7. The die-casting die for the large-flow relay valve as claimed in claim 1, wherein the die-casting die comprises: a cooling duct (19) for cooling the profile is arranged in each side core (14).

8. The die-casting die for the large-flow relay valve as claimed in claim 1, wherein the die-casting die comprises: the movable mold (11) is provided with an exhaust channel (111), and the exhaust channel (111) is communicated with the cavity.