CN111136190B

CN111136190B - Mould liftout mechanism

Info

Publication number: CN111136190B
Application number: CN202010042097.8A
Authority: CN
Inventors: 马文珺; 刘成龙; 黄敬宇; 方卫国
Original assignee: Anhui Kezheng Mould Co ltd
Current assignee: Anhui Kezheng Mould Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2022-03-29
Anticipated expiration: 2040-01-15
Also published as: CN111136190A

Abstract

The invention relates to a die ejection mechanism. The die ejection mechanism comprises a base plate, wherein an air cylinder piece is fixedly connected to the outer surface of the upper end of the base plate, a limiting mechanism is arranged in the air cylinder piece, the air cylinder piece comprises an ejector rod, the ejector rod is limited by the limiting mechanism after an air-filled ejector rod in the air cylinder piece reaches a limit distance, and the ejector rod is reset after the limiting mechanism is relieved when air is exhausted from the air cylinder piece; the cylinder part comprises a cylinder shell, and the ejector rod is inserted into the cylinder shell and moves up and down along the inner cavity of the cylinder shell; the outer surface of the cylinder shell is hermetically connected with a gas pipe and an exhaust pipe, the inner cavity of the cylinder shell comprises a gas cavity, and the gas pipe and the exhaust pipe are both communicated with the gas cavity; this mould liftout mechanism, simple structure, convenient operation, stable form after can effectual improvement ejector pin jack-up can reduce the maintenance cost in pneumatic type jack-up mechanism later stage simultaneously, convenient to popularize and use.

Description

Mould liftout mechanism

Technical Field

The invention belongs to the technical field of die discharging, and particularly relates to a die ejecting mechanism.

Background

At present, along with the development of manufacturing industry, the use of mould is also more and more, if not set up the liftout subassembly, lead to the product to be difficult to take out after the shaping very easily, current mould all is provided with liftout mechanism, general liftout mechanism divide into link mechanism, bullet top mechanism or pneumatic hoist mechanism, it is pneumatic hoist mechanism to use too much at present, however pneumatic hoist mechanism when ejecting in the face of large-scale mould, its stability is more weak, in the face of heavier mould work piece, the workman is no matter when adopting manual or motor-driven mould fetching, cause the great internal pressure of pneumatic hoist mechanism easily, make pneumatic hoist mechanism's maintenance cost higher, in order to improve pneumatic hoist mechanism's stability, mould liftout mechanism has been designed very much.

Disclosure of Invention

The invention aims to solve the problems and provide a die ejecting mechanism which is simple in structure and reasonable in design.

The invention realizes the purpose through the following technical scheme:

the utility model provides a mould liftout mechanism, includes the bed plate, the upper end external surface fixedly connected with cylinder spare of bed plate, be provided with stop gear in the cylinder spare, cylinder spare includes the ejector pin, after the gas filled ejector pin reaches the limit distance in the cylinder spare, the spacing ejector pin of stop gear, when bleeding in the cylinder spare, stop gear removes to inject back ejector pin and resets.

As a further optimization scheme of the invention, the cylinder part comprises a cylinder shell, and the ejector rod is inserted into the cylinder shell and moves up and down along an inner cavity of the cylinder shell.

As a further optimization scheme of the invention, the outer surface of the cylinder shell is hermetically connected with a gas pipe and an exhaust pipe, the inner cavity of the cylinder shell comprises a gas cavity, and the gas pipe and the exhaust pipe are both communicated with the gas cavity.

As a further optimization scheme of the invention, the limiting mechanism comprises an auxiliary shell, the auxiliary shell wraps the cylinder shell, a clamping rod is arranged inside the auxiliary shell, a clamping cavity is formed in the outer surface of the ejector rod, and the clamping rod is inserted into the clamping cavity to limit the ejector rod to move up and down.

As a further optimization scheme of the invention, a moving groove is formed in the auxiliary shell, and an inner air pipe is arranged between one end of the moving groove and the air cavity for connection.

As a further optimization scheme of the invention, the clamping rod is arranged in the moving groove to move, and the outer surface of one end of the clamping rod, which is close to the inner air pipe, is provided with a sealing ring which is tightly attached to the wall of the moving groove.

As a further optimization scheme of the invention, a position of the groove wall of the moving groove close to the inner air pipe is provided with a limiting block, and the limiting block limits the clamping rod to block the inner air pipe.

As a further optimized scheme of the invention, the outer surface of one end of the clamping rod, which is far away from the ejector rod, is connected with a compression spring.

As a further optimization scheme of the invention, the outer surface of the ejector rod is fixedly connected with a connecting piece at a position close to the upper end, and the outer surface of the upper end of the connecting piece is fixedly connected with a top plate.

The invention has the beneficial effects that: the pneumatic jacking mechanism is provided with the ejector rod and the clamping rod, the ejector rod can be clamped by the clamping rod after the ejector rod reaches a certain position, so that the stability of the ejector rod is ensured, meanwhile, the moving groove of the clamping rod is communicated with the air cavity, the clamping rod can be ejected out after ventilation, the clamping rod can be sucked back after air suction, and the locking of the ejector rod is released.

Drawings

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

fig. 2 is a schematic view of the internal structure of the cylinder housing of the present invention.

In the figure: 1. a base plate; 2. a cylinder housing; 3. an auxiliary housing; 4. a top rod; 5. a connecting member; 6. a top plate; 7. a gas delivery pipe; 8. an exhaust pipe; 9. a clamping cavity; 10. a moving groove; 11. a compression spring; 12. a clamping rod; 13. an inner trachea; 14. an air cavity.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

As shown in fig. 1 and 2, the die ejection mechanism comprises a base plate 1, wherein a cylinder part is fixedly connected to the outer surface of the upper end of the base plate 1, a limiting mechanism is arranged in the cylinder part, the cylinder part comprises an ejector rod 4, the ejector rod 4 is inflated in the cylinder part and limits the ejector rod 4 after reaching a limit distance, and when air is exhausted in the cylinder part, the ejector rod 4 resets after the limiting mechanism is released.

The cylinder part comprises a cylinder shell 2, and the ejector rod 4 is inserted into the cylinder shell 2 and moves up and down along the inner cavity of the cylinder shell 2; the outer surface of the cylinder shell 2 is hermetically connected with a gas pipe 7 and an exhaust pipe 8, the inner cavity of the cylinder shell 2 comprises a gas cavity 14, and the gas pipe 7 and the exhaust pipe 8 are both communicated with the gas cavity 14; the limiting mechanism comprises an auxiliary shell 3, the auxiliary shell 3 wraps the cylinder shell 2, a clamping rod 12 is arranged inside the auxiliary shell 3, a clamping cavity 9 is formed in the outer surface of the ejector rod 4, and the clamping rod 12 is inserted into the clamping cavity 9 to limit the ejector rod 4 to move up and down;

a moving groove 10 is formed in the auxiliary shell 3, and an inner air pipe 13 is arranged between one end of the moving groove 10 and the air cavity 14; the clamping rod 12 is arranged in the moving groove 10 to move, a sealing ring is arranged on the outer surface of one end, close to the inner air pipe 13, of the clamping rod 12, the sealing ring is tightly attached to the wall of the moving groove 10, the sealing ring is an elastic rubber ring, and the wall of the moving groove 10 is a smooth wall surface; the moving groove 10 can be provided with a limiting block or a compression spring 11, the limiting block is arranged on the groove wall of the moving groove 10 close to the inner air pipe 13, and the limiting block limits the clamping rod 12 to block the inner air pipe 13; the compression spring 11 is arranged on the outer surface of one end of the clamping rod 12, which is far away from the ejector rod 4, and the compression spring 11 can be opened to have good limiting effect and assist the clamping rod 12 to pop out; the outer surface of the ejector rod 4 is fixedly connected with a connecting piece 5 close to the upper end, the outer surface of the upper end of the connecting piece 5 is fixedly connected with a top plate 6, and a common mold is arranged on the surface of the top plate 6.

It should be noted that, when the mold ejection mechanism is used, the gas input mechanism is connected outside the gas pipe 7, the exhaust pipe 8 is connected outside the air exhaust mechanism, gas is input into the gas pipe 7 through the gas input mechanism, the ejector rod 4 is ejected, the ejector rod 4 drives the top plate 6 to move upwards through the connecting piece 5, so as to eject the mold, when the ejector rod 4 reaches a specified distance, the clamping rod 12 is squeezed into the clamping cavity 9 by the compression spring 11, so that the ejector rod 4 is fixed, under the condition that the compression spring 11 is not adopted, the clamping rod 12 can also push out the clamping rod 12 due to the gas input from the inner gas pipe 13, under the condition that the compression spring 11 is not adopted, a limit block should be arranged at a position, close to the inner gas pipe 13, of the groove wall of the moving groove 10, the limit block the inner gas pipe 13 by the limit block of the clamping rod 12, under the condition that the ejector rod 4 needs to reset, the gas transmission of the gas pipe 7 is stopped, the exhaust pipe 8 is started to exhaust the gas in the gas cavity 14, under the negative pressure state, the clamping rod 12 is also pulled out of the clamping cavity 9, and the compression spring 11 or the limiting block can prevent the clamping rod 12 from blocking the inner air pipe 13, so that the next ejection of the clamping rod 12 is influenced.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The mold ejection mechanism is characterized by comprising a base plate (1), wherein a cylinder part is fixedly connected to the outer surface of the upper end of the base plate (1), a limiting mechanism is arranged in the cylinder part, the cylinder part comprises ejector rods (4), the limiting mechanisms are symmetrically arranged on the side edges of the ejector rods (4), the ejector rods (4) are limited by the limiting mechanism after the inflatable ejector rods (4) in the cylinder part reach a limit distance, and the ejector rods (4) reset after the limiting mechanism is relieved from limiting when air is exhausted from the cylinder part;

the cylinder part comprises a cylinder shell (2), and the ejector rod (4) is inserted into the cylinder shell (2) and moves up and down along the inner cavity of the cylinder shell (2);

the outer surface of the cylinder shell (2) is hermetically connected with a gas pipe (7) and an exhaust pipe (8), the inner cavity of the cylinder shell (2) comprises a gas cavity (14), and the gas pipe (7) and the exhaust pipe (8) are both communicated with the gas cavity (14);

the limiting mechanism comprises an auxiliary shell (3), the auxiliary shell (3) wraps the cylinder shell (2), a clamping rod (12) is arranged inside the auxiliary shell (3), a clamping cavity (9) is formed in the outer surface of the ejector rod (4), and the clamping rod (12) is inserted into the clamping cavity (9) to limit the ejector rod (4) to move up and down;

a moving groove (10) is formed in the auxiliary shell (3), and an inner air pipe (13) is arranged between one end of the moving groove (10) and the air cavity (14) for connection;

the clamping rod (12) is arranged in the moving groove (10) to move, a sealing ring is arranged on the outer surface of one end, close to the inner air pipe (13), of the clamping rod (12), and the sealing ring is tightly attached to the wall of the moving groove (10);

a limiting block is arranged on the wall of the moving groove (10) close to the inner air pipe (13), and the limiting block limits a clamping rod (12) to block the inner air pipe (13);

and a compression spring (11) is connected to the outer surface of one end of the clamping rod (12) far away from the ejector rod (4).

2. The mold ejecting mechanism according to claim 1, characterized in that: the outer surface of the ejector rod (4) is fixedly connected with a connecting piece (5) close to the upper end, and the outer surface of the upper end of the connecting piece (5) is fixedly connected with a top plate (6).