CN210475504U

CN210475504U - Knockout machine with replaceable ejector plate

Info

Publication number: CN210475504U
Application number: CN201921380656.5U
Authority: CN
Inventors: 刘建中
Original assignee: Hebei Jinda Machinery Mould Manufacturing Co ltd
Current assignee: Hebei Jinda Machinery Mould Manufacturing Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-08
Anticipated expiration: 2029-08-23

Abstract

The utility model relates to a casting machinery technical field especially relates to a knockout of removable thimble board. The device comprises a base (1), a vibration table (2), an ejector plate (3), a spring (4) and a vibration generator (5); a plurality of groups of springs (4) are symmetrically arranged on the upper surfaces of two sides of the base (1) upwards; the vibration table (2) is arranged on the spring (4); a plurality of square depressions are arranged on the vibration table (2) in an upward direction; the vibration generator (5) is arranged at the bottom of the vibration table (2); the vibrating table (2) is provided with a sand discharge port (21); the ejector pin plate is embedded on the vibration table (2); the ejector plate comprises a plurality of ejectors with upward tips; the ejector plate comprises a plurality of clamping protrusions; the clamping protrusions are arranged at four corners of the ejector plate and just clamped on the vibrating table (2).

Description

Knockout machine with replaceable ejector plate

Technical Field

The utility model relates to a casting machinery technical field especially relates to a knockout of removable thimble board.

Background

Shakeout refers to a process of breaking a sand mold after casting of a casting mold is completed and cooled to a certain temperature, separating the casting mold from a sand box, and separating a casting from molding sand. Shakeout of the shakeout machine mainly depends on mechanical vibration or electromagnetic vibration, and the mechanical vibration is realized by utilizing the collision between a casting mold and the shakeout machine. Mechanical vibration shakers are commonly used.

The existing mechanical vibration shakeout machine generally relies on a grid on a vibration table to vibrate and impact with a casting mold to shake out sand. The shakeout efficiency is not high and the shakeout is not thorough, and partial fine sand can be adhered to the casting mould.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the technique that exists is not enough to the aforesaid, provides a knockout machine of removable thimble board, adopts thimble on the thimble board to come and the casting mould collision shakeout, and shakeout is efficient and more thorough.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a shakeout machine with a replaceable ejector plate comprises a base, a vibration table, the ejector plate, a spring and a vibration generator; the upper surfaces of the two sides of the base are symmetrically provided with a plurality of groups of springs upwards; the vibration table is arranged on the spring; a plurality of square depressions are arranged on the vibration table in an upward manner; the vibration generator is arranged at the bottom of the vibration table; the vibrating table is provided with a sand discharge port; the ejector pin plate is mounted on the vibration table in a clamping and embedding manner; the ejector plate comprises a plurality of ejectors with upward tips; the ejector plate comprises a plurality of clamping protrusions; the clamping protrusions are arranged at four corners of the ejector plate and just clamped on the vibrating table.

Further optimizing the technical scheme, the vibration generator comprises a vibration motor and an eccentric wheel; the eccentric wheel is arranged on the vibration motor; the vibration generator is arranged on the lower surface of the vibration table through a support.

Further optimizing the technical scheme, the ejector plate is in a grid shape; the grid open holes of the ejector plate are the same as the corresponding size of the grid concave positions of the vibration table; the ejector pins are symmetrically arranged around the center of the ejector pin plate.

Further optimizing the technical scheme, the thimble is made of metal; the tip of the thimble is coated with plastics.

Further optimizing the technical scheme, the thimble is made of plastic; the plastic used by the thimble is engineering plastic.

Further optimizing the technical scheme, the size of the opening of the ejector plate is smaller than that of the square recess of the vibration table; the open holes of the ejector pin plate are symmetrically distributed around the center of the ejector pin plate.

Compared with the prior art, the utility model has the advantages of it is following: 1. the replaceable ejector pin plate is arranged, so that the ejector pins on the ejector pin plate can be favorably ensured to be in good contact with and collide with the casting mold, and the shakeout efficiency is high; 2. the tip of the thimble is coated with plastic, so that the structure is favorable for ensuring that the thimble cannot scratch a newly cast casting; 3. the ejector pin is made of engineering plastics, and the structure is favorable for ensuring that the ejector pin is suitable for shakeout and cannot scratch a casting; 4. the ejector plate is embedded on the vibrating table in a clamping manner, and the structure is favorable for ensuring that the ejector plate is stably combined with the vibrating table and is easy to replace.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the exploded structure of the present invention.

Fig. 3 is a front structural view of the first ejector plate.

Fig. 4 is a schematic view of the back structure of the first ejector plate.

Fig. 5 is a front structural view of the second ejector plate.

Fig. 6 is a schematic view of the structure of the back surface of the second ejector plate.

In the figure: 1. a base; 2. a vibration table; 21. a sand discharge port; 3. a first ejector plate; 31. a first thimble; 32. a first snap projection; 4. a spring; 5. a vibration generator; 6. a second ejector plate; 61. a second thimble; 62. and a second snap projection.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The specific implementation mode is as follows: referring to fig. 1-4, the shakeout machine with replaceable ejector plate of the present invention comprises a base 1, a vibration table 2, a first ejector plate 3, a spring 4 and a vibration generator 5; a plurality of groups of springs 4 are symmetrically arranged on the upper surface of the base 1 at two sides upwards; the vibration table 2 is arranged on the spring 4; a plurality of square depressions are arranged on the vibration table 2 in an upward direction; the vibration generator 5 is arranged at the bottom of the vibration table 2; the vibrating table 2 is provided with a sand discharge port 21; the ejector pin plate is embedded on the vibration table 2; the first thimble plate 3 comprises a plurality of first thimbles 31 with upward tips; the first ejector plate 3 includes a plurality of first cams 32; the first clamping protrusions 32 are arranged at four corners of the first ejector plate 3 and just clamped on the vibrating table 2.

The vibration generator 5 comprises a vibration motor and an eccentric wheel; the eccentric wheel is arranged on the vibration motor; the vibration generator 5 is arranged on the lower surface of the vibration table 2 through a bracket.

As shown in fig. 3 and 4, the first ejector plate 3 is in a grid shape; the grid open holes of the first ejector plate 3 are the same as the corresponding size of the grid concave positions of the vibration table 2; the first ejector pins 31 are symmetrically arranged around the center of the first ejector pin plate 3. The first thimble 31 is preferably made of metal; the tip of the first thimble 31 is preferably coated with plastic. The first thimble 31 can also be made of plastic; in this case, the plastic used for the first thimble 31 is preferably engineering plastic.

As shown in fig. 5 and 6, the first ejector plate 3 can be replaced with a second ejector plate 6. The structure of the second ejector plate 6 is substantially the same as that of the first ejector plate 3, and the second ejector plate 6 includes a plurality of second cams 62; the second clamping protrusions 62 are arranged at four corners of the first ejector plate 3 and just clamped on the vibration table 2. Except that the opening size of the second ejector plate 6 is smaller than the size of the square recess of the oscillating table 2. In order that the vibration of the vibration table 2 is not deflected, the openings of the second ejector plate 6 are distributed symmetrically around the center of the second ejector plate 6. The second ejector pins 61 are symmetrically arranged around the center of the second ejector pin plate 6. The second thimble 61 is preferably made of metal; the tip of the second thimble 61 is preferably coated with plastic. The second thimble 61 can also be made of plastic; in this case, the plastic used for the second thimble 61 is preferably engineering plastic.

When the vibrating table is used, in the first step, the shakeout machine is opened, and the vibrating motor drives the eccentric wheel to rotate to generate vibration so as to drive the whole vibrating table 2 to vibrate. And step two, placing the casting mold needing shakeout on a shakeout machine. And step three, vibrating and shakeout the casting mould under the action of a shakeout machine. And step four, collecting and recovering the falling fine sand through a sand discharge port 21. And step five, closing the shakeout machine to further clean the interior and the surface of the casting after meeting the shakeout requirement.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a shakeout machine of removable thimble board which characterized in that: comprises a base (1), a vibration table (2), an ejector plate (3), a spring (4) and a vibration generator (5); a plurality of groups of springs (4) are symmetrically arranged on the upper surfaces of two sides of the base (1) upwards; the vibration table (2) is arranged on the spring (4); a plurality of square depressions are arranged on the vibration table (2) in an upward direction; the vibration generator (5) is arranged at the bottom of the vibration table (2); the vibrating table (2) is provided with a sand discharge port (21); the ejector pin plate is embedded on the vibration table (2); the ejector plate comprises a plurality of ejectors with upward tips; the ejector plate comprises a plurality of clamping protrusions; the clamping protrusions are arranged at four corners of the ejector plate and just clamped on the vibrating table (2).

2. A shake out machine with replaceable ejector plate according to claim 1, wherein: the vibration generator (5) comprises a vibration motor and an eccentric wheel; the eccentric wheel is arranged on the vibration motor; the vibration generator (5) is arranged on the lower surface of the vibration table (2) through a support.

3. A shake out machine with replaceable ejector plate according to claim 1, wherein: the ejector pin plate is in a grid shape; the grid open holes of the ejector plate have the same size with the corresponding size of the grid-shaped concave positions of the vibration table (2); the ejector pins are symmetrically arranged around the center of the ejector pin plate.

4. A shake out machine with replaceable ejector plate according to claim 3, wherein: the thimble is made of metal; the tip of the thimble is coated with plastics.

5. A shake out machine with replaceable ejector plate according to claim 3, wherein: the thimble is made of plastic; the plastic used by the thimble is engineering plastic.

6. A shake out machine with replaceable ejector plate according to claim 2, wherein: the size of the opening of the ejector plate is smaller than that of the square recess of the vibration table (2); the open holes of the ejector pin plate are symmetrically distributed around the center of the ejector pin plate.