CN211098736U

CN211098736U - Shell preparation facilities

Info

Publication number: CN211098736U
Application number: CN201921167947.6U
Authority: CN
Inventors: 张柱斌; 谢满怀; 谢思聪
Original assignee: Jiangmen Hongtuo Metal Products Co ltd
Current assignee: Jiangmen Hongtuo Metal Products Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-07-28
Anticipated expiration: 2029-07-23

Abstract

The utility model relates to a shell preparation facilities, which comprises an outer shell body, the inside agitator that is provided with can autogyration of shell body, the agitator in be provided with two stirring rakes that are L shapes, two the stirring rake be central symmetric distribution, the upper end of stirring rake be connected with the adjustment mechanism who is used for adjusting the stirring rake and goes up and down, the top of agitator be provided with the supporting mechanism who is used for placing the shell, the utility model discloses a shell preparation facilities has the probability that reduces the powder thick liquid and deposit in the stirring apparatus bottom and the adhesion at the circumference internal face of agitator, improves the advantage of wax matrix operation space and difficult collision wax matrix.

Description

Shell preparation facilities

Technical Field

The utility model relates to an investment casting's precision casting equipment technical field, concretely relates to shell preparation facilities.

Background

Investment casting, also known as lost wax casting, is a common practice in precision casting. Usually, wax liquid is selected to manufacture a wax mould, refractory coating is repeatedly coated and hung on the wax mould, refractory sand is scattered, the wax mould is hardened and dried for many times, and then the wax inside the wax mould is melted; thereafter, a shell mold having sufficient strength without residual wax is obtained by firing to pour the molten metal, thereby obtaining a casting with high accuracy. And coating a fireproof coating on the surface of the wax mould, and preparing the shell. The preparation of the shell requires that the trimmed wax mold is soaked in quartz powder slurry prepared by mixing water glass and quartz powder according to a certain proportion. In the process of preparing the shell, in order to prevent the quartz powder slurry from precipitating, a stirring device with a stirring paddle is generally adopted to stir the quartz powder slurry.

Most of stirring paddles of common stirring equipment are arranged in the stirring equipment in the middle, and the stirring shaft is rotated to drive the paddles sleeved on the stirring shaft to rotate, so that the quartz powder slurry is stirred by the paddles. Because the volume of wax matrix is great, adopt foretell agitated vessel's stirring rake, the space that can supply the wax matrix to soak on the agitated vessel is less, and on the stirring rake stirring process collided the wax matrix easily, lead to the wax matrix to damage and scrap.

Moreover, the quartz powder slurry is easily adhered to the inner wall surface of the circumference of the stirring barrel and deposited on the bottom of the stirring equipment respectively due to the action of centrifugal force and gravity in the stirring process, so that the quartz powder slurry is not uniform, and the quality stability of the shell is reduced.

In addition, when the wax mould is taken out from the quartz powder slurry after being soaked, the quartz powder slurry still continuously drops, and if the wax mould is transferred, the quartz powder slurry is wasted, the ground is easily polluted, and the working environment is influenced.

Disclosure of Invention

The utility model aims at solving the not enough of prior art, provide a reduce whitewash and deposit probability, improvement wax matrix operation space and the difficult shell preparation facilities that hits the wax matrix in the circumference internal face of agitated vessel bottom and adhesion.

The utility model adopts the technical scheme that the shell preparation device comprises an outer shell, the shell body inside be provided with the agitator of autogyration, the agitator in be provided with two stirring rakes that are L shapes, two the stirring rake be central symmetry and distribute, the upper end of stirring rake be connected with the adjustment mechanism that is used for adjusting the stirring rake and goes up and down, the top of agitator be provided with the supporting mechanism that is used for placing the shell.

Preferably, the stirring paddle comprises a transverse stirring rod and a longitudinal stirring rod which are in clearance fit with the bottom of the stirring barrel and the inner wall surface of the circumference respectively,

preferably, one side of the longitudinal stirring rod is outwards protruded with a triangular part used for the scraping paddle, and the direction of the sharp corner of the triangular part is opposite to the rotation direction of the stirring barrel.

Preferably, the transverse stirring rod is obliquely arranged, and the oblique direction of the transverse stirring rod is consistent with the sharp angle direction of the triangular part on the longitudinal stirring rod.

Preferably, the supporting mechanism comprises two supporting rods which are detachably arranged at the top of the stirring barrel.

Preferably, adjustment mechanism including fixing the support column in the shell body outside, the inside ball screw that is provided with control stirring rake and goes up and down of support column, ball screw on the cover be equipped with the connecting piece of being connected with the stirring rake.

Preferably, the inside recess that prevents the skew of stirring rake lift process that sets up of support column, the connecting piece on be provided with the slider that suits with the recess.

Preferably, a hand wheel for controlling the rotation of the adjusting screw is arranged at the top of the ball screw.

Preferably, the supporting column is provided with a gap for the connecting piece to slide up and down on one side facing the stirring paddle.

Preferably, the mixing tank is connected with a driving source for controlling the rotation of the mixing tank.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses a shell preparation facilities utilizes two stirring rake central symmetry that are L shapes to distribute and sets up in the agitator that can autogiration, breaks the stirring rake in the past and sets up between two parties and at the conventional design of agitator, has increased substantially the operation space that supplies the wax matrix to soak, avoids leading to the wax matrix to damage condemned condition to appear on colliding the wax matrix because of stirring rake stirring process.

2. The utility model discloses a shell preparation facilities, its stirring rake utilize horizontal puddler and vertical puddler to scrape respectively and deposit the quartz powder thick liquid in the circumference internal face of agitator bottom and adhesion at the agitator, improve quartz powder thick liquid homogeneity to improve the stability of shell quality.

3. The utility model discloses a shell preparation facilities is provided with the adjustment mechanism who is used for adjusting the stirring rake and goes up and down, can adjust the height of stirring rake according to the liquid level of whitewashed thick liquid and the viscosity of whitewashed thick liquid, kind, and application scope is wide.

4. The utility model discloses a shell preparation facilities, the top of its agitator is provided with the supporting mechanism who is used for placing the shell, and the waste of not only reducible quartz powder thick liquid can also avoid quartz powder thick liquid to drip to ground pollution operational environment.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the connection between the stirring paddle and the adjusting mechanism of the present invention.

Fig. 3 is a side view of the present invention.

Fig. 4 is a sectional view taken along a-a of fig. 3.

Fig. 5 is a schematic structural view of the stirring paddle of the present invention.

The numbers in the figures indicate:

1-stirring paddle, 11-transverse stirring rod, 12-longitudinal stirring rod, 121-triangular part, 2-adjusting mechanism, 21-supporting column, 22-ball screw, 23-connecting piece, 24-groove, 25-sliding block, 26-hand wheel, 27-gap, 3-stirring barrel, 4-outer shell, 5-driving source and 6-supporting rod.

The specific implementation mode is as follows:

in order to enhance the understanding of the present invention, the following detailed description will be made in conjunction with the embodiments and the accompanying drawings. The utility model discloses the accessible is implemented as follows:

referring to fig. 1-5, a shell preparation facilities, includes shell body 4, shell body 4 inside be provided with agitator 3 that can autogiration, agitator 3 in be provided with two stirring rake 1 that are L shapes, two stirring rake 1 be central symmetry distribution, agitator 3 is connected with the driving source 5 of control agitator 3 rotation, drive inside liquid rotation through agitator 3 rotation, and stirring rake 1 is motionless, utilizes the resistance that receives when rotatory liquid changes to stirring rake 1 to avoid the powder thick liquid to precipitate promptly, this stirring rake 1 design breaks through the conventional design that stirring rake 1 set up at agitator 3 between two parties in the past, has increased substantially the operating space that supplies the wax matrix to soak, avoids leading to the wax matrix to damage scrapped condition to appear because of stirring rake 1 stirring process collides the wax matrix.

The stirring paddle 1 comprises a transverse stirring rod 11 and a longitudinal stirring rod 12 which are in clearance fit with the bottom of the stirring barrel 3 and the inner wall surface of the circumference respectively, namely, quartz slurry precipitated at the bottom of the stirring barrel 3 and adhered to the inner wall surface of the circumference of the stirring barrel 3 is scraped off by the transverse stirring rod 11 and the longitudinal stirring rod 12 respectively, so that the uniformity of the quartz slurry is improved, and the stability of the shell quality is improved. One side of the longitudinal stirring rod 12 protrudes outwards to form a triangular part 121 for scraping the oar, and the direction of the sharp corner of the triangular part 121 is opposite to the rotation direction of the stirring barrel 3. When 3 rotations of agitator, the quartz powder thick liquid is piled up on the internal face of agitator 3 easily under the effect of centrifugal force, the utility model discloses an agitating paddle 1 utilizes the closed angle direction of triangle portion 121 and the rotatory opposite direction's of quartz powder thick liquid principle, and when quartz powder thick liquid is rotatory to vertical puddler 12, the closed angle of triangle portion 121 on vertical puddler 12 breaks quartz powder thick liquid easily, further improves the stirring performance of agitating paddle 1. The transverse stirring rod 11 is obliquely arranged, and the oblique direction of the transverse stirring rod is consistent with the sharp angle direction of the triangular part 121 on the longitudinal stirring rod 12. When the quartz powder slurry in the bottom area of the stirring barrel 3 rotates to the longitudinal stirring rod 12, the quartz powder slurry in the bottom area of the stirring barrel 3 can be shoveled by the inclined transverse stirring rod 11, and the stirring performance of the stirring paddle 1 is further improved.

The upper end of the stirring paddle 1 is connected with an adjusting mechanism 2 for adjusting the lifting of the stirring paddle 1. When the liquid level in the stirring barrel 3 is high, the stirring capacity can be improved by accelerating the rotating speed of the stirring barrel 3 and properly increasing the height of the stirring paddle 1. Adjustment mechanism 2 including fixing the support column 21 in the 4 outsides of shell body, support column 21 inside be provided with the ball screw 22 that control stirring rake 1 goes up and down, ball screw 22 on the cover be equipped with the connecting piece 23 of being connected with stirring rake 1, ball screw 22 turns into the rotary motion the linear motion of connecting piece 23, and has high accuracy, reversibility and efficient characteristics simultaneously concurrently. The inside recess 24 that prevents the lift process skew of stirring rake 1 that sets up of support column 21, connecting piece 23 on be provided with the slider 25 that suits with recess 24, slider 25 on the connecting piece 23 can slide in recess 24, improves the precision that the stirring rake 1 goes up and down. The top of the ball screw 22 is provided with a hand wheel 26 for controlling the rotation of the adjusting screw. The supporting column 21 is provided with a gap 27 for the connecting piece 23 to slide up and down on one side facing the stirring paddle 1. The operation principle is as follows: the hand wheel 26 is rotated, the hand wheel 26 drives the ball screw 22 to rotate, and the ball screw 22 drives the connecting piece 23 to do linear motion reciprocating motion, so that the lifting of the stirring paddle 1 is controlled, the operation is simple, convenient and quick, and the adjusting precision is high.

And a supporting mechanism for placing the shell is arranged at the top of the stirring barrel 3. The supporting mechanism comprises two supporting rods 6 which are detachably arranged at the top of the stirring barrel 3, the distance between the two supporting rods 6 can be adjusted according to the size of the wax mould, and the application range is wide. After the wax mould is soaked, the wax mould can be placed on the two supporting rods 6, and the quartz powder slurry is transferred after not dripping. The design not only reduces the waste of the quartz powder slurry, but also can prevent the quartz powder slurry from dripping to the ground to pollute the working environment.

Finally, it should be noted that: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The shell preparation device is characterized by comprising an outer shell (4), wherein a self-rotating stirring barrel (3) is arranged inside the outer shell (4), two stirring paddles (1) which are L-shaped are arranged in the stirring barrel (3), the two stirring paddles (1) are distributed in a central symmetry manner, the upper end part of each stirring paddle (1) is connected with an adjusting mechanism (2) used for adjusting the lifting of each stirring paddle (1), the top of the stirring barrel (3) is provided with a supporting mechanism used for placing a shell, and the supporting mechanism comprises two supporting rods (6) which are detachably arranged at the top of the stirring barrel (3).

2. A shell preparation apparatus according to claim 1, wherein: the stirring paddle (1) comprises a transverse stirring rod (11) and a longitudinal stirring rod (12) which are in clearance fit with the bottom of the stirring barrel (3) and the inner wall surface of the circumference respectively.

3. A shell preparation apparatus according to claim 2, wherein: one side of the longitudinal stirring rod (12) outwards protrudes and extends with a triangular part (121) used for scraping the oar, and the direction of the sharp corner of the triangular part (121) is opposite to the rotation direction of the stirring barrel (3).

4. A shell preparation apparatus according to claim 3, wherein: the transverse stirring rod (11) is obliquely arranged, and the oblique direction of the transverse stirring rod is consistent with the sharp angle direction of the triangular part (121) on the longitudinal stirring rod (12).

5. A shell preparation apparatus according to claim 1 or 2 or 3 or 4, wherein: adjustment mechanism (2) including fixing support column (21) in shell body (4) outside, support column (21) inside be provided with ball screw (22) that control stirring rake (1) goes up and down, ball screw (22) go up the cover and be equipped with connecting piece (23) of being connected with stirring rake (1).

6. A shell preparation apparatus according to claim 5, wherein: support column (21) inside set up recess (24) that prevent stirring rake (1) lift process skew, connecting piece (23) on be provided with slider (25) that suit with recess (24).

7. A shell preparation apparatus according to claim 5, wherein: the top of the ball screw (22) is provided with a hand wheel (26) for controlling the rotation of the adjusting screw.

8. A shell preparation apparatus according to claim 5, wherein: the supporting column (21) is provided with a gap (27) for the connecting piece (23) to slide up and down on one side facing the stirring paddle (1).

9. A shell preparation apparatus according to claim 1 or 2 or 3 or 4 or 6 or 7 or 8, characterized in that: the stirring barrel (3) is connected with a driving source (5) for controlling the rotation of the stirring barrel (3).