CN212285780U

CN212285780U - Casting head system of casting mold

Info

Publication number: CN212285780U
Application number: CN202020526947.7U
Authority: CN
Inventors: 王中亚; 廖兴银; 夏莎; 杨明静; 郭江
Original assignee: Zunyi Tuote Casting&forging Co ltd
Current assignee: Zunyi Tuote Casting&forging Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-01-05
Anticipated expiration: 2030-04-10

Abstract

The application discloses casting head system of casting mould in the foundry goods production technical field, which comprises a die body, sprue and subchannel, the die body includes the last bottom plate of mould that from the top down set gradually, the runner plate, go up the fixed mold plate, go up mould and lower mould, upward be equipped with the die cavity between mould and the lower mould, die cavity and subchannel intercommunication, be equipped with sprue and subchannel on the last bottom plate, the subchannel runs through the runner plate, go up behind the fixed mold plate and communicate with the die cavity, the runner plate respectively with last bottom plate, it is connected to go up the fixed mold plate rotation, be equipped with drive runner plate pivoted power device on the last bottom plate of mould, be equipped with the installation cavity on the runner plate, thrust unit in the installation cavity, thrust unit includes the cylinder, the piston rod of cylinder is connected with the push rod, push rod and subchannel sliding. Casting head just can not remain in the foundry goods after this application shaping, has just also reduced the step of excision casting head, only need polish can, avoided the waste of raw materials, reduced manufacturing cost.

Description

Casting head system of casting mold

Technical Field

The utility model belongs to the technical field of the foundry goods production, in particular to casting head system of casting mould.

Background

The cast valve is a valve formed by casting, and the casting process of the valve generally includes: designing a casting mould, melting and pouring cast metal, and treating and inspecting castings. The casting treatment comprises the steps of removing foreign matters on the surface of a core and a casting, cutting off casting heads, relief grinding burrs, flash and other projections, heat treatment, shaping, rust prevention treatment, rough machining and the like.

The existing process of casting head cutting generally adopts manual movement or machine tool manual movement to control a saw-toothed disc rotating at a high speed to cut the casting head of a valve casting. However, the surface of the casting is easily damaged accidentally due to careless operation during cutting.

SUMMERY OF THE UTILITY MODEL

The utility model provides a casting head system of casting mould to reduce the volume of the casting head on the foundry goods, adopt the relief grinding mode to get rid of, need not to cut again and get rid of, avoided the cutting to get rid of a series of problems that the casting head arouses.

A casting head system of casting mould in this scheme, including mould body, sprue and subchannel, the mould body includes last bottom plate, runner plate, an upper fixing plate, last mould and lower mould that from the top down set gradually, upward be equipped with the die cavity between mould and the lower mould, die cavity and subchannel intercommunication, upward be equipped with sprue and subchannel on the bottom plate, the subchannel runs through behind runner plate, the upper fixing plate with the die cavity intercommunication, the runner plate rotates with last bottom plate, upper fixing plate respectively to be connected, upward be equipped with drive runner plate pivoted power device on the bottom plate, be equipped with the installation cavity on the runner plate, thrust unit in the installation cavity, thrust unit includes the cylinder, the piston rod of cylinder is connected with the push rod, push rod and subchannel sliding connection.

The working principle and the beneficial effects of the scheme are as follows: the molten metal is injected from the main runner and flows into the cavity after passing through the sub-runners, the sub-runners penetrate through the runner plate and are communicated with the cavity after the upper die fixing plate, after the injected metal completely enters the sub-runners on the upper die fixing plate, the power device is started to drive the runner plate to rotate until a push rod on an air cylinder arranged on the runner plate is positioned right above the sub-runners, then the power device is stopped to enable the runner plate to be kept at the position, then the air cylinder is started to drive the push rod to move towards the cavity until the lower end surface of the push rod reaches the lower surface of the upper die fixing plate, so that the metal is completely pressed into the cavity, a casting after cooling forming cannot remain a casting head, the step of cutting off the casting head is reduced, only polishing is needed, waste of raw materials is avoided, and production cost is reduced.

Further, power device includes motor, drive gear and driven gear, motor fixed connection is on last mould bottom plate, and drive gear is fixed to be cup jointed on the output shaft of motor, and driven gear is fixed to be cup jointed on the runner plate, drive gear and driven gear meshing. Through such setting, the starter motor drives drive gear rotatory, drives driven gear rotatory after that to drive the runner plate and rotate.

Furthermore, the upper die fixing plate and the runner plate are provided with corresponding identification lines. The device aims to determine the position of the runner plate after rotation through an identification line and ensure that the push rod corresponds to the runner accurately.

Furthermore, the center department of runner plate upper surface and lower surface all is equipped with the recess, and the recess internal fixation is equipped with ball bearing, ball bearing's centre bore fixedly connected with pivot, pivot difference fixed connection is on last bottom plate of the mould and last fixed plate of the mould. Through such setting, the runner plate rotates through ball bearing between with last bottom die plate and the last fixed plate and is connected, such connected mode simple structure, the good reliability.

Further, the branch flow passage is provided with a plurality of branch flow passages. Its purpose is to pour in multiple points and increase the forming speed.

Furthermore, the pushing devices are multiple and are arranged corresponding to the sub-runners. The method aims to press the metal liquid into the cavity simultaneously so as to avoid the occurrence of large-scale casting heads on castings.

Drawings

Fig. 1 is a front sectional view of a casting head system of a casting mold according to the present invention in one state;

fig. 2 is a front sectional view of the casting head system of the casting mold according to another state of the present invention;

fig. 3 is a top view of a runner plate in a feeder head system of a casting mold according to the present invention;

fig. 4 is a front cross-sectional view of a pushing device in a feeder head system of a casting mold according to the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a lower die 1, a cavity 2, an upper die 3, an upper die fixing plate 4, a runner plate 5, a mounting cavity 51, a sub-runner 6, an upper die base plate 7, a main runner 8, a ball bearing 9, a rotating shaft 10, a motor 11, an output shaft 12, a driving gear 13, a driven gear 14, a pushing device 15, a cover plate 151, a countersunk screw 152, an air cylinder 153 and a push rod 154.

The embodiment is basically as shown in the attached figures 1, 2, 3 and 4: the utility model provides a casting head system of casting mould, which comprises a mould body, sprue 8 and subchannel 6, the mould body includes from the top down mould bottom plate 7 that sets gradually, runner plate 5, go up fixed die plate 4, go up mould 3 and lower mould 1, it is equipped with die cavity 2 to go up between mould 3 and the lower mould 1, die cavity 2 and subchannel 6 intercommunication, upward be equipped with a sprue 8 and two subchannels 6 on the mould bottom plate 7, two subchannels 6 run through runner plate 5, go up behind the fixed die plate 4 and die cavity 2 intercommunication, runner plate 5 respectively with last bottom plate 7, it is connected to go up fixed die plate 4 rotation, specifically do: the center department of 5 upper surfaces of runner plate and lower surface all is equipped with the recess, and the recess internal fixation is equipped with ball bearing 9, and ball bearing 9's centre bore fixedly connected with pivot 10, pivot 10 respectively fixed connection are on last mold bottom plate 7 and last fixed plate 4.

The upper die base plate 7 is provided with a power device for driving the runner plate 5 to rotate, the power device comprises a motor 11, a driving gear 13 and a driven gear 14, the motor 11 is fixedly connected to the upper die base plate 7, the driving gear 13 is fixedly sleeved on an output shaft 12 of the motor 11, the driven gear 14 is fixedly sleeved on the runner plate 5, and the driving gear 13 is meshed with the driven gear 14. Two installation cavities 51 are arranged on the runner plate 5, pushing devices 15 are arranged in the two installation cavities 51, each pushing device 15 comprises a cover plate 151 and an air cylinder 153, the cover plate 151 is fixed to the top of the installation cavity 51 through a countersunk screw 152, the air cylinders 153 are fixedly connected to the bottom of the cover plate 151, piston rods of the air cylinders 153 are connected with push rods 154, and the push rods 154 are slidably connected with the runners 6. The upper die fixing plate 4 and the runner plate 5 are provided with corresponding identification lines.

The specific implementation process is as follows: injecting molten metal liquid from a main runner 8, flowing into a cavity 2 through a sub-runner 6, wherein the sub-runner 6 penetrates through a runner plate 5 and an upper mold fixing plate 4 and then is communicated with the cavity 2, when the injected metal liquid completely enters the sub-runner 6 on the upper mold fixing plate 4, starting a motor 11 to drive a driving gear 13 to rotate and then driving a driven gear 14 to rotate, so as to drive the runner plate 5 to rotate until a push rod 154 on a cylinder 153 arranged on the runner plate 5 is positioned right above the sub-runner 6, and then stopping the motor 11, (in order to ensure that the motor 11 can drive the runner plate 5 to rotate to a corresponding position, the mold ratio of the driving gear 13 to the driven gear 14 can be calculated in advance, the controller of the motor 11 is used for controlling the number of rotations of the motor 11, so that the driven gear 14 can rotate 90 degrees, the specific design mode can be realized by a person skilled in the art according to common knowledge and conventional technical means in the field, no further description in this application). The runner plate 5 is kept at the position, then the cylinder 153 is started to drive the push rod 154 to move towards the cavity 2, the lower end face of the push rod 154 reaches the lower surface of the upper die fixing plate 4, the molten metal is completely pressed into the cavity 2, and thus, a casting head can not be left after cooling and forming, the step of cutting off the casting head is reduced, only polishing is needed, waste of raw materials is avoided, and production cost is reduced.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a casting head system of casting mould which characterized in that: including mould body, sprue and subchannel, the mould body includes last bottom plate, runner plate, an upper fixing plate, goes up mould and lower mould that from the top down set gradually, go up and be equipped with the die cavity between mould and the lower mould, die cavity and subchannel intercommunication, be equipped with sprue and subchannel on the last bottom plate, the subchannel runs through behind runner plate, the upper fixing plate with the die cavity intercommunication, the runner plate rotates with last bottom plate, upper fixing plate respectively to be connected, be equipped with drive runner plate pivoted power device on the last bottom plate, be equipped with the installation cavity on the runner plate, thrust unit in the installation cavity, thrust unit includes the cylinder, the piston rod of cylinder is connected with the push rod, push rod and subchannel sliding connection.

2. The gating and riser system of a casting mold of claim 1, wherein: the power device comprises a motor, a driving gear and a driven gear, the motor is fixedly connected to the upper die bottom plate, the driving gear is fixedly sleeved on an output shaft of the motor, the driven gear is fixedly sleeved on the runner plate, and the driving gear is meshed with the driven gear.

3. The gating and riser system of a casting mold of claim 2, wherein: and the upper die fixing plate and the runner plate are provided with corresponding identification lines.

4. The gating and riser system of a casting mold of claim 3, wherein: the center department of runner plate upper surface and lower surface all is equipped with the recess, and the recess internal fixation is equipped with ball bearing, ball bearing's centre bore fixedly connected with pivot, the pivot is fixed connection respectively on last bottom plate of the mould and the punch holder board.

5. The gating and riser system of a casting mold of claim 4, wherein: the number of the sub-runners is multiple.

6. The gating and riser system of a casting mold of claim 5, wherein: the pushing devices are multiple and are arranged corresponding to the sub-runners.