CN215746324U

CN215746324U - Pressure stabilizing mechanism of casting mould

Info

Publication number: CN215746324U
Application number: CN202122151517.9U
Authority: CN
Inventors: 温启浩
Original assignee: Zhengzhou Chuanliu Auto Parts Co ltd
Current assignee: Zhengzhou Chuanliu Auto Parts Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-02-08
Anticipated expiration: 2031-09-07

Abstract

The utility model provides a pressure stabilizing mechanism of a casting mold, which comprises a main body, wherein a pressurizing chamber is arranged in the main body, a pressurizing vertebral plate is arranged at the lower side in the pressurizing chamber, a sealing block is arranged at the lower part of the pressurizing vertebral plate, a sealing head is connected to the sealing block, the sealing head is connected with a non-return mechanism arranged in the pressurizing chamber, and a gas collecting chamber is arranged below the pressurizing chamber and in the main body.

Description

Pressure stabilizing mechanism of casting mould

Technical Field

The utility model relates to the technical field of casting molds, in particular to a pressure stabilizing mechanism of a casting mold.

Background

The casting mould is characterized in that other easily-formed materials are made into the structural shape of a part in advance in order to obtain the structural shape of the part, then the mould is placed in a sand mould, a cavity with the same structural size as the part is formed in the sand mould, then a fluid liquid is poured into the cavity, the liquid can form the part with the same structural shape as the mould after being cooled and solidified, wherein the high-pressure casting efficiency is high, the high-pressure casting is realized by driving an injection plunger to press molten metal into a mould cavity at a high speed through a hydraulic cylinder, the high-pressure casting is commonly called high-pressure casting because of high oil pressure and high pressure, but the high-pressure casting needs hydraulic pressure or air pressure for pressurization, the required pressure is high in the pressurization process, the working continuity is high, when a pressure supply line is damaged due to high-strength operation, the pressure is possibly insufficient, so that the mould casting fails, in view of the above, we provide a pressure stabilizing mechanism for a casting mold to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a pressure stabilizing mechanism for a casting mold, which can not only pressurize an input hydraulic or pneumatic material to ensure sufficient and stable output pressure, but also prevent loss caused by casting failure due to damage of a pressure supply device caused by reverse reaction of the output hydraulic or pneumatic material in an over-pressure environment.

In order to solve the technical problem, the utility model provides a pressure stabilizing mechanism of a casting mold, which comprises a main body, wherein a pressurizing chamber is arranged in the main body, a pressurizing vertebral plate is arranged at the lower side in the pressurizing chamber, a sealing block is arranged at the lower part of the pressurizing vertebral plate, a sealing head is connected to the sealing block, the sealing head is connected with a non-return mechanism arranged in the pressurizing chamber, and a gas collecting chamber is arranged below the pressurizing chamber and in the main body.

Further, an input head is arranged at the upper part of the main body and above the pressurizing chamber, a cavity is arranged inside the main body, and the cavity is divided by a pressurizing vertebral plate to form the pressurizing chamber and the gas collecting chamber.

Further, the pressure boost vertebral plate is the toper bounding wall, the upper portion welding of pressure boost vertebral plate is on the inner wall of pumping chamber, sealed piece fixed connection is at the lower extreme of pressure boost vertebral plate, sealed piece is provided with the gas pocket for its axle center position of circular, be provided with annular seal groove on the lower part base surface of sealed piece.

Furthermore, the sealing head is conical, the sealing head is matched with the sealing block, an annular sealing ring plate is arranged on the upper base surface of the sealing head, a connecting rod is arranged on the upper portion of the sealing head, and the connecting rod is connected with the non-return mechanism.

Furthermore, backstop mechanism is including setting up the dead lever on the plenum chamber inner wall, connecting the fixed storehouse on the dead lever, setting up the guide bar in fixed storehouse, sliding plate on sliding connection guide bar, connecting rod and the elastic construction of cup jointing on the connecting rod of connecting in the sliding plate lower part.

Further, the dead lever is provided with a plurality of, the dead lever uses fixed storehouse to be cyclic annular evenly distributed as the axle center, the both ends of dead lever respectively with pressure boost indoor wall and fixed storehouse outer wall fixed connection, fixed storehouse is cylindric and is the cavity in it, the guide bar is provided with a plurality ofly and uses the connecting rod as axle center evenly distributed, be provided with the guiding hole that suits with the guide bar on the sliding plate, the lower part of fixed storehouse is provided with the through-hole that suits with the connecting rod, elastic structure cup joints on the connecting rod and its upper portion receives the sliding plate spacing, and its lower part receives fixed storehouse spacing.

Further, the air collection chamber is located below the pressurization chamber and is connected with the interior of the main body, and an output head is arranged at the lower part of the air collection chamber.

Furthermore, the input head and the output head are communicated with the inside of the main body, and the outer base surfaces of the input head and the output head are provided with connecting threads.

Furthermore, the upper end of the gas collecting chamber is provided with a connecting wall, a rotary connection annular plate is arranged at the lower end of the pressurizing chamber corresponding to the connecting wall, the connecting wall is matched with the rotary connection annular plate, and the inner side of the connecting wall is provided with a connecting thread matched with the outer side of the rotary connection annular plate.

The technical scheme of the utility model has the following beneficial effects:

1. the pressurizing vertebral plate is a tapered coaming plate, and the pressurizing chamber is encircled to form a taper through the pressurizing vertebral plate, so that the pressurizing chamber is beneficial to pressurizing input liquid or gas in the pressurizing chamber.

2. The non-return mechanism is connected with the sealing head, the sealing head is connected through the non-return mechanism, when the gas or the liquid in the pressurizing chamber does not reach the specified pressure, the gas or the liquid cannot be output from the pressurizing chamber, and when the liquid or the gas is output from the pressurizing chamber, the liquid or the gas cannot be reversed under the limitation of the sealing head matched with the non-return mechanism.

3. The sealing ring plate arranged on the sealing head is matched with the sealing groove arranged on the sealing block, so that the sealing performance is improved, and the occurrence of adverse conditions is avoided.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the utility model at A;

FIG. 3 is a bottom cross-sectional view of the present invention;

FIG. 4 is a schematic view of a seal block of the present invention;

fig. 5 is a schematic view of a sealing head of the present invention.

1. A main body; 2. a plenum chamber; 3. pressurizing vertebral lamina; 4. a sealing block; 5. a sealing head; 6. a gas collection chamber; 7. an input head; 8. air holes; 9. a sealing groove; 10. a seal ring plate; 11. fixing the rod; 12. fixing the bin; 13. a guide bar; 14. a sliding plate; 15. a connecting rod; 16. an elastic structure; 17. an output head; 18. a connecting wall; 19. and (5) screwing the ring plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 5 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model, are within the scope of the utility model.

As shown in fig. 1-5: a pressure stabilizing mechanism of a casting mold comprises a main body 1, wherein a pressurizing chamber 2 is arranged in the main body 1, a pressurizing vertebral plate 3 is arranged on the lower side of the inside of the pressurizing chamber 2, a sealing block 4 is arranged on the lower portion of the pressurizing vertebral plate 3, a sealing head 5 is connected onto the sealing block 4, the sealing head 5 is connected with a non-return mechanism arranged in the pressurizing chamber 2, a gas collecting chamber 6 is arranged below the pressurizing chamber 2 and in the main body 1, specifically, the pressurizing vertebral plate is arranged on the lower portion of the pressurizing chamber, the pressurizing vertebral plate is a conical surrounding plate, and gas holes are formed in the sealing block arranged on the lower portion of the pressurizing vertebral plate, when gas in the pressurizing chamber enters and is output by the sealing block, the gas pressure is enhanced when the gas is output from the position because the diameter of the gas holes is smaller than that of the main body, the sealing block is sealed by the sealing head, the sealing head is connected with the non-return mechanism, and the sealing performance of the sealing head can be improved to a certain degree by the non-return mechanism, therefore, when the air pressure in the pressurizing chamber does not reach a certain degree, the gas cannot be output from the air hole.

According to an embodiment of the present invention, as shown in fig. 1, an input head 7 is disposed at an upper portion of the main body 1 above the plenum chamber 2, the interior of the main body 1 is a cavity, the cavity is partitioned by the plenum chamber 3 to form the plenum chamber 2 and the plenum chamber 6, specifically, the outer base surface of the input head is provided with connecting threads, and the input head is used for connecting an external pipe, and pressurized gas is input into the interior of the main body through the external pipe.

According to an embodiment of the present invention, as shown in fig. 1 and 4, the pressurizing vertebral plate 3 is a tapered surrounding plate, the upper portion of the pressurizing vertebral plate 3 is welded on the inner wall of the pressurizing chamber 2, the sealing block 4 is fixedly connected to the lower end of the pressurizing vertebral plate 3, the sealing block 4 is circular, the axial center portion of the sealing block is provided with an air hole 8, the lower base surface of the sealing block 4 is provided with an annular sealing groove 9, specifically, the pressurizing vertebral plate is a tapered surrounding plate, and the upper portion of the sealing block is fixedly connected with the inner wall of the pressurizing chamber, so that the pressurizing chamber forms a tapered chamber under the action of the pressurizing vertebral plate, that is, the upper portion diameter is much larger than the lower portion diameter, and therefore, when gas is continuously input, the output at the air hole can increase the pressure of the gas.

According to an embodiment of the present invention, as shown in fig. 1 and 5, the sealing head 5 is conical, the sealing head 5 is adapted to the sealing block 4, the upper base surface of the sealing head 5 is provided with an annular sealing ring plate 10, the upper portion of the sealing head 5 is provided with a connecting rod 15, the connecting rod 15 is connected to the non-return mechanism, specifically, the sealing head is adapted to the sealing block, the sealing head is pulled by the non-return mechanism to be fastened to the sealing block, the sealing head blocks the air hole, and the connecting rod of the non-return mechanism passes through the air hole and is connected to the sealing head.

According to an embodiment of the present invention, as shown in fig. 1 and 2, the non-return mechanism includes a fixed rod 11 disposed on the inner wall of the pressurizing chamber 2, a fixed bin 12 connected to the fixed rod 11, a guide rod 13 disposed in the fixed bin 12, a sliding plate 14 slidably connected to the guide rod 13, a connecting rod 15 connected to the lower portion of the sliding plate 14, and an elastic structure 16 sleeved on the connecting rod 15, specifically, the fixed bin is a cavity, the fixed bin is uniformly and circumferentially distributed with a plurality of guide rods, the sliding plate is provided with a plurality of sliding holes adapted to the guide rods, so that the sliding plate can slide on the guide rods, the connecting rod is fixedly connected to the sliding plate, the connecting rod is guided by the sliding plate in cooperation with the guide rods, the elastic structure disposed on the connecting rod is a spring, the upper portion of the elastic structure is limited by the sliding plate, and the lower portion of the elastic structure is limited by the fixed bin, therefore, the acting force of the elastic structure only can act on the connecting rod, the acting force of the elastic structure indirectly drives the sliding plate to move upwards, and the connecting rod is synchronous, so that the connecting rod drives the sealing head to be tightly buckled on the sealing block to block the air hole.

According to one embodiment of the present invention, as shown in fig. 1, 2 and 3, the fixing bar 11 is provided in plurality, the fixed rods 11 are uniformly distributed in a ring shape by taking the fixed bin 12 as an axis, two ends of the fixed rods 11 are respectively and fixedly connected with the inner wall of the pressurizing chamber 2 and the outer wall of the fixed bin 12, the fixed bin 12 is cylindrical, a cavity is arranged in the fixed bin, a plurality of guide rods 13 are arranged and uniformly distributed by taking the connecting rod 15 as an axis, the sliding plate 14 is provided with a guide hole corresponding to the guide rod 13, the lower part of the fixed bin 12 is provided with a through hole corresponding to the connecting rod 15, the elastic structure 16 is sleeved on the connecting rod 15 and the upper part thereof is limited by the sliding plate 14, the lower part of the fixing rod is limited by the fixing bin 12, particularly, one end of the fixing rod is fixedly connected to the inner wall of the pressurizing chamber, and the other end of the fixing rod is fixedly connected to the outer wall of the fixing bin, so that the fixing rod plays a role in stabilizing the fixing bin.

According to an embodiment of the utility model, as shown in fig. 1, the plenum chamber 6 is located below the plenum chamber 2 and inside the main body 1, and the lower part of the plenum chamber 6 is provided with an output head 17, specifically an output head for connecting an external pipe, so that the internal pressure acts on the mold.

According to an embodiment of the present invention, as shown in fig. 1, the input head 7 and the output head 17 are both communicated with the inside of the main body 1, and the external base surfaces of the input head 7 and the output head 17 are both provided with connecting threads, and specifically, the connecting threads on the input head and the output head are both provided to facilitate the connection of an external pipeline.

According to an embodiment of the present invention, as shown in fig. 1, the upper end of the plenum chamber 6 is provided with a connecting wall 18, a rotary joint ring plate 19 is arranged at the lower end of the plenum chamber 2 corresponding to the connecting wall 18, the connecting wall 18 is adapted to the rotary joint ring plate 19, the inner side of the connecting wall 18 is provided with a connecting thread adapted to the outer side of the rotary joint ring plate 19, and particularly, the plenum chamber and the plenum chamber can be disassembled, so that the sealing head and the sealing block can be exposed, and thus, the maintenance is facilitated.

The use method of the utility model comprises the following steps:

when the input head is used, the input head is connected to the input external pipeline, the output head is connected to the output external pipeline, when liquid or gas is input into the input head, pressurization can be carried out by the structure of the pressurization chamber, the sealing block arranged on the lower portion of the pressurization chamber is limited by the sealing head and the non-return mechanism, and the liquid or the gas can be output only when certain pressure is reached, and the liquid or the gas cannot be reversely returned.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a pressure stabilizing mechanism of casting mould which characterized in that: including main part (1), be provided with pumping chamber (2) in main part (1), the inside downside of pumping chamber (2) is provided with pressure boost vertebral lamina (3), pressure boost vertebral lamina (3) lower part is provided with sealed piece (4), be connected with sealed head (5) on sealed piece (4), sealed head (5) are connected with the non-return mechanism who sets up in pumping chamber (2), pumping chamber (2) below just is provided with collection chamber (6) in main part (1).

2. A pressure stabilizing mechanism for a casting mold according to claim 1, characterized in that: the upper portion of main part (1) just is provided with input head (7) above plenum chamber (2), the inside of main part (1) is the cavity, the cavity is separated by pressure boost vertebral plate (3) and is formed plenum chamber (2) and plenum chamber (6).

3. A pressure stabilizing mechanism for a casting mold according to claim 1, characterized in that: pressure boost vertebral lamina (3) are the toper bounding wall, the upper portion welding of pressure boost vertebral lamina (3) is on the inner wall of pumping chamber (2), sealed piece (4) fixed connection is at the lower extreme of pressure boost vertebral lamina (3), sealed piece (4) are circular its axle center position and are provided with gas pocket (8), be provided with annular seal groove (9) on the lower part base surface of sealed piece (4).

4. A pressure stabilizing mechanism for a casting mold according to claim 1, characterized in that: the sealing head (5) is conical, the sealing head (5) is matched with the sealing block (4), an annular sealing ring plate (10) is arranged on the upper base surface of the sealing head (5), a connecting rod (15) is arranged on the upper portion of the sealing head (5), and the connecting rod (15) is connected with a non-return mechanism.

5. The pressure stabilizing mechanism for a casting mold according to claim 4, characterized in that: the non-return mechanism comprises a fixed rod (11) arranged on the inner wall of the pressurizing chamber (2), a fixed bin (12) connected to the fixed rod (11), a guide rod (13) arranged in the fixed bin (12), a sliding plate (14) connected to the guide rod (13) in a sliding mode, a connecting rod (15) connected to the lower portion of the sliding plate (14) and an elastic structure (16) sleeved on the connecting rod (15).

6. The pressure stabilizing mechanism for a casting mold according to claim 5, characterized in that: the fixing rod (11) is provided with a plurality of fixing rods, the fixing rods (11) are uniformly distributed in an annular mode by taking the fixing bin (12) as an axis, two ends of the fixing rods (11) are fixedly connected with the inner wall of the pressurizing chamber (2) and the outer wall of the fixing bin (12) respectively, the fixing bin (12) is a cylindrical cavity, the guide rods (13) are uniformly distributed by taking the connecting rods (15) as the axis, the sliding plate (14) is provided with guide holes matched with the guide rods (13), the lower portion of the fixing bin (12) is provided with through holes matched with the connecting rods (15), the elastic structure (16) is sleeved on the connecting rods (15), the upper portion of the elastic structure is limited by the sliding plate (14), and the lower portion of the elastic structure is limited by the fixing bin (12).

7. A pressure stabilizing mechanism for a casting mold according to claim 1, characterized in that: the gas collection chamber (6) is positioned below the pressurizing chamber (2) and is arranged in the main body (1), and an output head (17) is arranged at the lower part of the gas collection chamber (6).