CN211708050U - Exhaust structure of quick clearance in mould - Google Patents

Abstract

An exhaust structure for rapid in-mold cleaning, comprising: the mold comprises a mold body, an exhaust plug, a pressure plate and an exhaust pipe; an exhaust passage is arranged on the die body; the exhaust plug is fixed in the exhaust passage in a sealing way; the pressure plate is detachably fixed on the outer end face of the opening outside the exhaust passage and covers the exhaust passage; the exhaust pipe is arranged on the pressure plate; after the exhaust pipe penetrates through the pressing plate, the input end of the exhaust pipe extends into the exhaust passage, and the output end of the exhaust pipe is positioned outside the exhaust passage. This exhaust structure can install on the mould, can pass through the blast pipe discharge in mould needs exhaust department, only needs to communicate the negative pressure with the blast pipe, can realize the internal gas of initiative discharge mould, prevents that gas from having an influence to the casting.

Description

Exhaust structure of quick clearance in mould

Technical Field

The utility model relates to the technical field of mold, especially, relate to an exhaust structure of quick clearance in mould.

Background

The cavity of the metal mold casting mold is easy to be filled with gas during casting, and the gas generated in the casting process is difficult to be discharged in time through a mold gap, a runner or a riser and the like. The molten metal and the gas are mixed to cause the casting to generate oxide scale oxidation slag, surface pinholes and other casting defects. In the prior art, a vent plug is additionally arranged on a mold, so that part of gas can be exhausted but is passively exhausted, and harmful casting gas cannot be exhausted in time.

In the prior art, the back of the exhaust hole is directly welded with the exhaust pipe, and air can be exhausted after welding; however, in this case, the vent plug is clogged with paint, molten metal, or the like during casting, and the clogged vent plug cannot be cleaned and replaced from the front and can be removed only by breaking the welded portion.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exhaust structure of quick clearance in mould, it is through the gas escape of blast pipe in to the exhaust passage.

To achieve the purpose, the utility model adopts the following technical proposal:

an exhaust structure for rapid in-mold cleaning, comprising: the mold comprises a mold body, an exhaust plug, a pressure plate and an exhaust pipe;

an exhaust passage is arranged on the die body; the exhaust plug is fixed in the exhaust passage in a sealing manner; the pressure plate is detachably fixed on the outer end face of the opening outside the exhaust passage and covers the exhaust passage; the exhaust pipe is arranged on the pressure plate; after the exhaust pipe penetrates through the pressing plate, the input end of the exhaust pipe extends into the exhaust passage, and the output end of the exhaust pipe is located on the outer side of the exhaust passage.

Further, the method further comprises the following steps: a plate fixing member;

the plate fixing piece penetrates through the pressing plate to fix the pressing plate on the die body.

Further, the plate fixing piece is provided with an angle rotating end and a fixing column with an external thread structure;

the pressing plate is provided with a plate matching hole; the die body is provided with a die matching hole with an internal thread structure;

the fixing column penetrates through the plate matching hole threaded structure and is matched with the die matching hole through the threaded structure;

the angle rotating end head is abutted against the upper surface of the pressing plate; when the angle rotating end head rotates, the fixed column rotates.

More specifically, the plate fixing member is a bolt.

In a further aspect, the exhaust pipe is integrally formed with the pressure plate.

Furthermore, the inner wall of the exhaust passage is provided with an antirust coating.

Further, the method further comprises the following steps: a vacuum pumping device;

the output end of the vacuumizing device is communicated with the output end of the exhaust pipe.

More specifically, the exhaust pipe is L-shaped.

Further, the method further comprises the following steps: a gasket;

and the gasket is tightly pressed on the outer end face of the opening of the exhaust passage by the pressing plate, so that the exhaust passage is sealed.

Further, the gasket has elasticity.

The utility model has the advantages that:

this exhaust structure can install on the mould, can pass through the blast pipe discharge in mould needs exhaust department, only needs to communicate the negative pressure with the blast pipe, can realize the internal gas of initiative discharge mould, prevents that gas from having an influence to the casting.

Drawings

FIG. 1 is a schematic view of a vent structure;

FIG. 2 is a schematic view showing a connection structure of the panel fixing member and the mold body;

FIG. 3 is a schematic view of an embodiment of an exhaust structure with a vacuum;

wherein:

the device comprises a mould body 1, an exhaust plug 2, a pressure plate 3, an exhaust pipe 4, a plate fixing piece 5, a gasket 6 and a vacuumizing device 7;

an exhaust passage 11 and an opening outer end face 12; a die mating hole 13;

an angle rotation end 51 and a fixing column 52; the plate engages the hole 31.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

An exhaust structure for rapid in-mold cleaning, comprising: the mold comprises a mold body 1, a vent plug 2, a pressure plate 3 and an exhaust pipe 4;

an exhaust passage 11 is arranged on the die body 1; the exhaust plug 2 is fixed in the exhaust passage 11 in a sealing manner; the pressure plate 3 is detachably fixed on the outer end face 12 of the opening outside the exhaust passage 11 and covers the exhaust passage 11; the exhaust pipe 4 is mounted on the pressure plate 3; after the exhaust pipe 4 penetrates through the pressing plate 3, the input end 41 of the exhaust pipe 4 extends into the exhaust passage 11, and the output end 42 is positioned outside the exhaust passage 11.

Furthermore, the exhaust structure can be installed on a mold, can be exhausted through the exhaust pipe 4 at a position where the mold needs to exhaust, and can actively exhaust the gas in the mold body 1 only by communicating the exhaust pipe 4 with negative pressure, so that the influence of the gas on casting is prevented.

Specifically, an exhaust passage 11 is arranged on the die body 1, and the exhaust passage 11 is used for exhausting gas in a cavity in the die; the exhaust plug 2 is arranged on the exhaust passage 11 and is used for exhausting gas in the mould, and is a known exhaust plug; and the gas of this mould body 1 is discharged from the core vent 2, can enter the input end of the air vent 4 after the air vent 11, and only need to connect the output end of the air vent with the vacuum-pumping device 7 at this moment, exhaust through the vacuum apparatus initiative air-pumping, can discharge the gas in the mould body 1 in time fast. Meanwhile, as the pressing plate 3 is detachable, after the pressing plate 3 and the die body 1 are detached, the exhaust passage 11 can be maintained and the exhaust plug 2 can be replaced, so that the service life of the die body 1 is prolonged, and the quality of a die product is improved.

Further, the method further comprises the following steps: a board fixing member 5;

the plate fixing piece 5 penetrates through the pressing plate 3 to fix the pressing plate 3 to the die body 1.

The pressing plate 3 is fixed on the die body 1 through the plate fixing piece 5, and the plate fixing piece 5 is fixed on the die body 1 only through the pressing plate 3; the plate fixing member 5 is detachable to allow the platen 3 to be separated from and attached to the mold body 1. After the plate fixing piece 5 fixes the pressing plate 3 on the die body 1, the pressing plate 3 is pressed tightly on the die body 1, so that the exhaust passage 11 is separated from the outside of the die body 1, and the gas in the exhaust passage 11 flows in from the input end of the exhaust pipe 4; after the plate fixing piece 5 is disassembled, the pressing plate 3 is separated from the die body 1, and the opening outer end face 12 of the exhaust passage 11 is exposed; after the opening of the exhaust passage 11 is exposed, a worker can directly clean the exhaust passage 11, such as cleaning impurities of the lower exhaust passage 11 and replacing the exhaust plug 2, and the working efficiency is improved. Meanwhile, the exhaust plug 2 of the exhaust structure is arranged on the exhaust passage 11, so that the exhaust plug 2 is replaced more quickly, the sealing and exhaust effects are controllable, and the problems of repeated welding repair in the prior art and damage and consumption of a mold are solved.

Further, the plate fixing piece 5 is provided with an angle rotating end 51 and a fixing column 52 with an external thread structure;

the pressing plate 3 is provided with a plate matching hole 31; the die body 1 is provided with a die matching hole 13 with an internal thread structure;

the fixing posts 52 are threaded through the plate fitting holes 31 to be fitted to the die fitting holes 13;

the angle rotating end head 51 is abutted against the upper surface of the pressure plate 3; when the angle rotating end head 51 rotates, the fixed column 52 rotates.

The angle rotation end 51 is used for cooperating like the external tool work of screwdriver, rotates through external tool angle regulation rotation end 51, makes fixed column 52 rotate, adjusts the external screw thread structure of fixed column 52 and the cooperation relation of the internal thread structure of mould mating holes 13, and then controls the fixed elasticity and the dismantlement state of clamp plate 3 and mould body 1. The plate fixing piece 5 is preferably a bolt, the fixing column 52 is a threaded part of the bolt, and the angle rotation end 51 is a bolt head; the bottom of the angle rotating end 51 is pressed above the pressing plate 3, so that the pressing plate 3 is pressed on the die body 1.

More specifically, the plate fixing member 5 is a bolt.

More specifically, the exhaust pipe 4 is integrally formed with the platen 3.

The exhaust pipe 4 and the pressure plate 3 are integrally formed and combined, the two can be welded, connected by glue or connected through an external fixing piece, namely the pressure plate 3 and the exhaust pipe 4 are integrated, the exhaust pipe can be directly installed when the pressure plate is installed, and the exhaust structure is quickly installed; especially, when the exhaust pipe 4 and the pressure plate 3 are welded, a connection gap between the exhaust pipe 4 and the pressure plate 3 does not need to be considered, when the pressure plate 3 is fixed on the mold body 1, the exhaust pipe 11 is sealed, gas only flows out from the exhaust pipe 4, external gas is prevented from entering the exhaust pipe 11, and the exhaust efficiency is improved.

Further, the inner wall of the exhaust passage 11 is provided with an antirust coating.

The antirust coating is arranged on the exhaust passage 11, gas exhausted from the die body 1 cannot influence the antirust coating, and metal of the exhaust passage 11 is prevented from being corroded.

Further, the method further comprises the following steps: a vacuum pumping device 7;

the output end of the vacuumizing device 7 is communicated with the output end of the exhaust pipe 4.

The output end of the vacuumizing device 7 is communicated with the exhaust pipe 4 and is used for exhausting the gas of the mold body 1 or the exhaust passage 11 through negative pressure; the vacuumizing device 7 is the existing vacuumizing equipment, and the gas in the exhaust channel 11 can be exhausted from the exhaust pipe 4 by communicating the output end of the exhaust pipe 4 through a rubber tube.

Further, the exhaust pipe 4 is L-shaped.

An L-shaped exhaust pipe 4, the output end of which is arranged at the vertical part of the L shape, and the output end of which is arranged at the horizontal part of the L shape; the horizontal part of the L-shape is more conveniently connected to the vacuum means 7.

Further, the method further comprises the following steps: a gasket 6;

the pressing plate 3 presses the gasket 6 to the outer end face 12 of the opening of the exhaust passage 11, so that the exhaust passage 11 is sealed.

The gasket 6 is arranged between the opening outer end face 12 of the exhaust passage 11 and the pressing plate 3, is tightly pressed on the opening outer end face 12 of the exhaust passage 11, and is used for a contact gap between the opening outer end face 12 and the pressing plate 3 to seal the exhaust passage 11 and prevent external air from entering the exhaust passage 11.

The present exhaust structure preferably has the gasket 6 as a seal member between the open outer end face 12 and the pressure plate 3; meanwhile, the pressing plate 3 can be directly pressed on the outer end face 12 of the opening, and the exhaust passage 11 can be directly sealed by the pressing plate 3.

Further, the gasket 6 has elasticity.

The gasket 6 has elasticity, and when the pressing plate 3 is pressed on the outer end face 12 of the opening, the gasket 6 can adapt to a gap between the pressing plate 3 and the outer end face 12 of the opening through self deformation, so that the sealing performance is improved.

In the description of the present invention, it is to be understood that the terms "front", "back", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (10)

1. The utility model provides an exhaust structure of quick clearance in mould which characterized in that includes: the mold comprises a mold body, an exhaust plug, a pressure plate and an exhaust pipe;

an exhaust passage is arranged on the die body; the exhaust plug is fixed in the exhaust passage in a sealing manner; the pressure plate is detachably fixed on the outer end face of the opening outside the exhaust passage and covers the exhaust passage; the exhaust pipe is arranged on the pressure plate; after the exhaust pipe penetrates through the pressing plate, the input end of the exhaust pipe extends into the exhaust passage, and the output end of the exhaust pipe is located on the outer side of the exhaust passage.

2. The exhaust structure for rapid in-mold cleaning according to claim 1, further comprising: a plate fixing member;

the plate fixing piece penetrates through the pressing plate to fix the pressing plate on the die body.

3. The exhaust structure for rapidly cleaning the inside of the mold according to claim 2, wherein the plate fixing member is provided with an angle rotating end and a fixing column of an external thread structure;

the pressing plate is provided with a plate matching hole; the die body is provided with a die matching hole with an internal thread structure;

the fixing column penetrates through the plate matching hole threaded structure and is matched with the die matching hole through the threaded structure;

the angle rotating end head is abutted against the upper surface of the pressing plate; when the angle rotating end head rotates, the fixed column rotates.

4. The vent structure for rapid in-mold cleaning according to claim 3, wherein the plate fixing member is a bolt.

5. The exhaust structure for rapid in-mold cleaning according to claim 1, wherein the exhaust pipe is integrally formed with the platen.

6. The exhaust structure for rapid in-mold cleaning according to claim 1, wherein the inner wall of the exhaust passage is provided with a rust-proof coating.

7. The exhaust structure for rapid in-mold cleaning according to claim 1, further comprising: a vacuum pumping device;

the output end of the vacuumizing device is communicated with the output end of the exhaust pipe.

8. The exhaust structure for rapid in-mold cleaning according to claim 1, wherein the exhaust pipe is L-shaped.

9. The rapid in-mold purging vent structure according to any one of claims 1 to 8, further comprising: a gasket;

and the gasket is tightly pressed on the outer end face of the opening of the exhaust passage by the pressing plate, so that the exhaust passage is sealed.

10. The vent structure for rapid in-mold cleaning according to claim 9, wherein the gasket has elasticity.

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