CN210908029U

CN210908029U - Vacuumizing structure of die casting mold for cam bearing cover of automobile engine

Info

Publication number: CN210908029U
Application number: CN201921932924.XU
Authority: CN
Inventors: 王明达
Original assignee: Nantong Zhaotong Mould Manufacturing Co ltd
Current assignee: Nantong Zhaotong Mould Manufacturing Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-07-03
Anticipated expiration: 2029-11-11

Abstract

The utility model relates to an evacuation technical field just discloses an automobile engine cam bearing cap die-casting mould's evacuation structure, including the mould seat, the positive fixed mounting of mould seat has the stand, the positive fixed mounting of stand has the connecting piece, the one end fixedly connected with mould groove of stand is kept away from to the connecting piece, the inside fixed mounting in mould groove has bearing die. This vacuumizing structure of automobile engine cam bearing lid die-casting mould, cross and set up two vacuum pump pipes at the mould lid back, take a percentage with the vacuum pump pipe through the connecting pipe with the vacuum simultaneously and be connected, the bottom that the vacuum was taken a percentage makes for the vacuum hole when the mould die-casting, the top of bearing mould can begin to carry out the extraction of air, its six extraction mouths that set up above the mould have not only guaranteed the efficiency of extraction air, still make the difference that every mould all even vacuum state of keeping can not cause because of the difference of atmospheric pressure.

Description

Vacuumizing structure of die casting mold for cam bearing cover of automobile engine

Technical Field

The utility model relates to an evacuation technical field specifically is an automobile engine cam bearing cap die-casting mold's evacuation structure.

Background

The vacuumizing die casting is an advanced die casting process for eliminating or remarkably reducing air holes and dissolved air in a die casting piece by exhausting air in a die cavity of a die casting die in the die casting process so as to improve the mechanical property and the surface quality of the die casting piece.

The vacuumizing die-casting is very important for the effect of a die finished product, not only is the air holes on the surface of the die reduced, but also the hardness and the service life of the die are improved, but the vacuumizing equipment is required to be connected in a die groove, so the vacuumizing efficiency is very influenced by the equipment, and therefore, the structure which is convenient and fast and can be conveniently disassembled and assembled and improve the vacuumizing efficiency is very important, and the vacuumizing structure of the die-casting die for the cam bearing cover of the automobile engine is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an automobile engine cam bearing lid die-casting mould's evacuation structure possesses advantages such as firm, sealed, high-efficient, has solved the problem of evacuation efficiency.

(II) technical scheme

For realizing above-mentioned firm, sealed, efficient purpose, the utility model provides a following technical scheme: a vacuumizing structure of a die-casting die for a cam bearing cover of an automobile engine comprises a die seat, wherein a stand column is fixedly arranged on the front surface of the die seat, a connecting piece is fixedly arranged on the front surface of the stand column, one end, far away from the stand column, of the connecting piece is fixedly connected with a die groove, a bearing die is fixedly arranged inside the die groove, a feeding pipe is fixedly connected with the bottom of the die seat, a hinge is movably arranged at the top of the die seat, one end, far away from the die seat, of the hinge is fixedly connected with a die cover, a combining groove is fixedly arranged on the front surface of the die cover, an extrusion block is fixedly arranged on the front surface of the combining groove, a vacuum hole is formed in the front surface of the combining groove, upper buckling pieces are fixedly arranged on the left side and the right side of the die cover, a vacuum exhaust pipe is, the one end fixedly connected with vacuum tap that the pipe was taken out in the connecting pipe was kept away from the vacuum, the back fixedly connected with hydraulic stem of mould lid, the left and right sides fixed mounting of mould seat has lower buckling piece, the top fixed mounting of the pipe is taken out in the vacuum has the mounting.

Preferably, the vacuum pumping pipes are fixedly connected to the back surface of the mold cover through fixing pieces, the number of the vacuum pumping pipes is two, and the number of the fixing pieces is two.

Preferably, the number of the vacuum taps and the vacuum holes is six, and the vacuum taps are matched with the vacuum holes.

Preferably, the number of the upper fasteners and the number of the lower fasteners are four, and the upper fasteners are matched with the lower fasteners.

Preferably, the number of the connecting pieces is four, the die grooves are fixedly connected with the stand columns through the connecting pieces, and the number of the stand columns is four.

Preferably, the feeding pipe penetrates through the die base and is fixedly connected with the die groove.

(III) advantageous effects

Compared with the prior art, the utility model provides an automobile engine cam bearing lid die-casting mold's evacuation structure possesses following beneficial effect:

1. this vacuum pumping structure of automobile engine cam bearing lid die-casting mould, through setting up two vacuum exhaust pipes at the mould lid back, take a percentage with the vacuum through the connecting pipe with the vacuum simultaneously and be connected, the bottom that the vacuum was taken a percentage makes when the mould die-casting for the vacuum hole, the top of bearing mould can begin to carry out the extraction of air, its six extraction mouths that set up in the mould top have not only guaranteed the efficiency of extraction air, still make the difference that every mould all even vacuum state of keeping can not cause because of the difference of atmospheric pressure.

2. This automobile engine cam bearing lid die-casting mould's evacuation structure, through setting up buckling piece and lower buckling piece, can form a complete encapsulated situation when closing mould lid and mould seat, the reinforcing connection that the cell body that the mould groove design was for there being certain degree of depth passes through the connecting piece and stabilizes on the stand, prevent rocking the production that influences the mould at pressfitting in-process mould groove, the vacuum is taken out the pipe and is passed through the mounting and connect on the mould lid, make main component can both realize dismantling and the simple to operate's maintenance and replacement of this mould component through the connecting piece of fixed usefulness.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the mold cover of the present invention;

fig. 3 is a structural plan view of the mold cover in a closed state.

In the figure: 1 mould base, 2 columns, 3 connecting pieces, 4 mould grooves, 5 bearing moulds, 6 feeding pipes, 7 hinges, 8 mould covers, 9 combination grooves, 10 extrusion blocks, 11 vacuum holes, 12 upper fasteners, 13 vacuum pipes, 14 connecting pipes, 15 vacuum taps, 16 hydraulic rods, 17 lower fasteners and 18 fixing pieces.

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

Referring to fig. 1-3, a vacuum pumping structure of a die casting mold for a cam bearing cap of an automobile engine comprises a mold base 1, wherein a vertical column 2 is fixedly installed on the front surface of the mold base 1, a connecting piece 3 is fixedly installed on the front surface of the vertical column 2, one end of the connecting piece 3 far away from the vertical column 2 is fixedly connected with a mold groove 4, the number of the connecting piece 3 is four, the mold groove 4 is fixedly connected with the vertical column 2 through the connecting piece 3, the number of the vertical column 2 is four, the mold groove 4 is prevented from shaking in the die casting process, a bearing mold 5 is fixedly installed inside the mold groove 4, a feeding pipe 6 is fixedly connected with the bottom of the mold base 1, the feeding pipe 6 penetrates through the mold base 1 and is fixedly connected with the mold groove 4, a hinge 7 is movably installed at the top of the mold base 1, one end of the hinge 7 far away from the mold base 1 is, the front of the combination groove 9 is fixedly provided with an extrusion block 10, the front of the combination groove 9 is provided with a vacuum hole 11, the left side and the right side of the mold cover 8 are both fixedly provided with an upper buckling piece 12, the back of the mold cover 8 is fixedly provided with a vacuum pipe 13, the upper side and the lower side of the vacuum pipe 13 are both fixedly connected with a connecting pipe 14, one end of the connecting pipe 14 far away from the vacuum pipe 13 is fixedly connected with a vacuum tap 15, the number of the vacuum tap 15 and the vacuum hole 11 is six, the vacuum tap 15 is matched with the vacuum hole 11, the vacuumizing efficiency is ensured, the back of the mold cover 8 is fixedly connected with a hydraulic rod 16, the left side and the right side of the mold base 1 are fixedly provided with a lower buckling piece 17, the number of the upper buckling piece 12 and the lower buckling piece 17 is four, the upper buckling piece 12 is matched with the lower buckling piece 17, the sealing performance of the mold groove 4 is improved after buckling, the vacuum pumping pipes 13 are fixedly connected to the back of the mold cover 8 through the fixing pieces 18, the number of the vacuum pumping pipes 13 is two, and the number of the fixing pieces 18 is two, so that the maintenance and the replacement of the air pumping equipment are facilitated.

When the die is used, the connecting piece 3 is connected with the upright post 2 to ensure the stability of the die groove 4, the vacuum pumping pipe 13 is fixed through the fixing piece 18 to enable the vacuum hole 11 to be in butt joint with the vacuum tap 15, and the upper buckling piece 12 and the lower buckling piece 17 are buckled to start die casting.

In summary, according to the vacuum pumping structure of the die-casting die for the cam bearing cap of the automobile engine, two vacuum pumping pipes 13 are arranged on the back surface of the die cap 8, the vacuum pumping pipes 13 are connected with the vacuum taps 15 through connecting pipes 14, the bottom of the vacuum taps 15 is provided with the vacuum holes 11, so that air can be pumped above the bearing die 5 during die-casting of the die, and the six pumping ports arranged above the die not only ensure the efficiency of air pumping, but also ensure that each die can uniformly maintain a vacuum state without difference caused by different air pressures.

And, this automobile engine cam bearing lid die-casting mould's evacuation structure, through setting up fastener 12 and lower fastener 17, can form a complete encapsulated situation when closing mould lid 8 and mould seat 1, the cell body that mould groove 4 design has certain degree of depth passes through the firm reinforcement connection of connecting piece 3 on stand 2, prevent to rock the production that influences the mould at pressfitting in-process mould groove 4, vacuum exhaust pipe 13 passes through mounting 18 and connects on mould lid 8, make main component can both realize dismantling and the convenient maintenance and the replacement of this mould component of installation through the connecting piece of fixed usefulness.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automobile engine cam bearing lid die-casting mould's evacuation structure, includes mould seat (1), its characterized in that: the die comprises a die base (1), a stand column (2) is fixedly mounted on the front surface of the die base (1), a connecting piece (3) is fixedly mounted on the front surface of the stand column (2), a die groove (4) is fixedly connected to one end, far away from the stand column (2), of the connecting piece (3), a bearing die (5) is fixedly mounted inside the die groove (4), a feeding pipe (6) is fixedly connected to the bottom of the die base (1), a hinge (7) is movably mounted at the top of the die base (1), a die cover (8) is fixedly connected to one end, far away from the die base (1), of the hinge (7), a combining groove (9) is fixedly mounted on the front surface of the die cover (8), an extrusion block (10) is fixedly mounted on the front surface of the combining groove (9), a vacuum hole (11) is formed in the front surface of the combining groove (9), and upper buckling pieces, the back fixed mounting of mould lid (8) has vacuum tube (13), the equal fixedly connected with connecting pipe (14) in the upper and lower both sides of vacuum tube (13), the one end fixedly connected with vacuum tap (15) of vacuum tube (13) are kept away from in connecting pipe (14), the back fixedly connected with hydraulic stem (16) of mould lid (8), buckling piece (17) down is installed to the left and right sides fixed mounting of mould seat (1), the top fixed mounting of vacuum tube (13) has mounting (18).

2. The vacuum pumping structure of the die casting mold for the cam bearing cap of the automobile engine according to claim 1, wherein: the vacuum pumping pipes (13) are fixedly connected to the back face of the mold cover (8) through fixing pieces (18), the number of the vacuum pumping pipes (13) is two, and the number of the fixing pieces (18) is two.

3. The vacuum pumping structure of the die casting mold for the cam bearing cap of the automobile engine according to claim 1, wherein: the number of the vacuum taps (15) and the number of the vacuum holes (11) are six, and the vacuum taps (15) are matched with the vacuum holes (11).

4. The vacuum pumping structure of the die casting mold for the cam bearing cap of the automobile engine according to claim 1, wherein: the number of the upper fasteners (12) and the number of the lower fasteners (17) are four, and the upper fasteners (12) are matched with the lower fasteners (17).

5. The vacuum pumping structure of the die casting mold for the cam bearing cap of the automobile engine according to claim 1, wherein: the number of the connecting pieces (3) is four, the die grooves (4) are fixedly connected with the stand columns (2) through the connecting pieces (3), and the number of the stand columns (2) is four.

6. The vacuum pumping structure of the die casting mold for the cam bearing cap of the automobile engine according to claim 1, wherein: the feeding pipe (6) penetrates through the die base (1) and is fixedly connected with the die groove (4).