CN212335298U

CN212335298U - Metal casting surface passivation device

Info

Publication number: CN212335298U
Application number: CN202020828122.0U
Authority: CN
Inventors: 卫正所
Original assignee: Anhui Jutai Machinery Manufacturing Co ltd
Current assignee: Anhui Jutai Machinery Manufacturing Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-01-12
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a metal casting surface passivation device, be connected with the recovery jar body of upper cover including the upper end, upper cover upper end fixedly connected with feed liquor pipe, retrieve jar body lower extreme fixedly connected with drain pipe, upper cover upper end center department fixedly connected with servo motor, servo motor's output shaft runs through upper cover and fixedly connected with long screw rod, long screw rod lower extreme fixedly connected with filter plate, the side is provided with lifter plate and stirring leaf respectively about the filter plate, and stirring leaf and long screw rod tip fixed connection, lifter plate and long screw rod threaded connection, a pair of litter of upper cover lower extreme fixedly connected with, be provided with on the lifter plate with litter assorted main slide opening, be provided with a plurality of vice slide openings on the lifter plate, and sliding connection has the moving part in the vice slide opening. The utility model discloses a long screw, litter, lifter plate and the stirring leaf that set up can prevent effectively to retrieve jar internal wall scale deposit, keep retrieving the cleanness of jar internal wall.

Description

Metal casting surface passivation device

Technical Field

The utility model relates to a metal casting passivation technology field especially relates to a metal casting surface passivation device.

Background

Passivation is a process that converts the metal surface to a state that is not easily oxidized, thereby retarding the corrosion rate of the metal. The prior passivation method adopts the steps that a metal casting is put into a reaction tank containing a passivator, and the passivation method has the defects that: because the passivation reaction consumes the effective components in the passivator, the thicknesses generated by the surface passivation of metal castings fed into the reaction tank in different batches are different, and the product quality is further influenced; because the passivation reaction adopts the passivation agent which is added into the reaction tank in an excessive amount, the passivation agent can generate a large amount of passivation agent residues with low concentration after the passivation reaction is finished, and if the passivation agent residues are treated or recycled, the cost is higher; if the waste water is directly discharged, the environment can be seriously polluted; because the passivator has high oxidizability and corrosivity, a liquid level switch for detecting the liquid level of the passivator and the passivator are easy to damage after being contacted for a long time, so that the maintenance cost is high.

In order to solve the above problems, chinese patent No. CN206033880U discloses a metal casting surface passivation device, which is provided with a buffer pool and a recovery pool for processing the low-concentration passivation agent discharged from the reaction pool to recover the passivation agent to the concentration available for passivation reaction, thereby reducing the cost and avoiding environmental pollution caused by direct discharge.

In the stirring and recovering process of the passivating agent in the recovery tank in the device, the inner wall of the recovery tank is easy to form a scale layer and is difficult to clean in the later period.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a metal casting surface passivation device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a metal casting surface passivation device, includes that the upper end is connected with the recovery jar body of upper cover, upper cover upper end fixedly connected with feed liquor pipe, retrieve jar body lower extreme fixedly connected with drain pipe, upper cover upper end center department fixedly connected with servo motor, servo motor's output shaft runs through upper cover and fixedly connected with long screw rod, long screw rod lower extreme fixedly connected with filter plate, the side is provided with lifter plate and stirring leaf respectively about the filter plate, and stirs leaf and long screw rod tip fixed connection, lifter plate and long screw rod threaded connection, a pair of litter of upper cover lower extreme fixedly connected with, be provided with on the lifter plate with litter assorted main draw runner, be provided with a plurality of vice draw runners on the lifter plate, and sliding connection has the moving part in the vice draw runner.

Preferably, the moving part comprises a sliding pipe, a fixing ring and a limiting ring, the sliding pipe is connected with the auxiliary sliding hole in a sliding mode, and the fixing ring and the limiting ring are respectively and fixedly connected to the upper end portion and the lower end portion of the sliding pipe.

Preferably, the sliding pipe is sleeved with a compression spring, and the compression spring is positioned on the upper side of the lifting plate.

Preferably, the lower end of the stirring blade is fixedly connected with a plurality of crushing teeth.

Preferably, the crushing teeth at the lower ends of the stirring blades are arranged in a staggered manner.

Preferably, the inner wall of the recovery tank body, the lifting plate and the surface of the filter plate are coated with anti-sticking coatings.

Compared with the prior art, the utility model provides a metal casting surface passivation device possesses following beneficial effect:

1. through the arrangement of the long screw, the sliding rod, the lifting plate and the stirring blade, the servo motor drives the lifting plate to move up and down through the long screw, the stirring blade and the filter plate rotate along with the long screw, and in the process of moving up and down of the lifting plate, the edge of the lifting plate moves up and down along the inner wall of the recovery tank body while the passivating agent is disturbed by the sliding pipe, so that the scaling of the inner wall of the recovery tank body is prevented; the stirring blade drives the crushing teeth to rotate, so that scaling at the bottom end in the recovery tank body is prevented, and the cleanness of the inner wall of the recovery tank body is kept.

2. Through at a plurality of broken teeth of stirring leaf lower extreme fixedly connected with, the crisscross setting of a plurality of broken teeth of a plurality of stirring leaf lower extremes, when the stirring leaf area was broken tooth and was rotated, broken tooth can carry out comprehensive contact with receipts jar internal bottom to keep retrieving the cleanness of jar internal bottom.

3. Through the cover is equipped with compression spring on the slide tube, and compression spring is located the lifter plate upside, when the lifter plate removed to retrieving jar body top, the slide tube received the extrusion of upper cover can slide along vice slide opening lapse, and compression spring compression can play a clamp garrulous processing effect to the impurity in the passivator when compressing.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses a long screw, litter, lifter plate and the stirring leaf that set up can prevent effectively to retrieve jar internal wall scale deposit, keep retrieving jar cleanness of internal wall.

Drawings

FIG. 1 is a schematic view of a top view structure of a recovery tank body of a metal casting surface passivation device in a half-section state according to the present invention;

FIG. 2 is a schematic view of a bottom view structure of a passivation device for a metal casting surface according to the present invention, wherein the outer wall of the passivation device is in a half-section state;

fig. 3 is a schematic structural diagram of a movable member of a metal casting surface passivation apparatus according to the present invention.

In the figure: 1-recovery tank body, 2-upper cover, 3-liquid inlet pipe, 4-liquid outlet pipe, 5-servo motor, 6-long screw, 7-slide rod, 8-lifting plate, 9-moving part, 91-slide pipe, 92-compression spring, 93-fixing ring, 94-limiting ring, 10-filter plate, 11-stirring blade and 12-crushing tooth.

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.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, a metal casting surface passivation device comprises a recovery tank body 1 with an upper cover 2 connected to the upper end thereof, a liquid inlet pipe 3 fixedly connected to the upper end of the upper cover 2, a liquid outlet pipe 4 fixedly connected to the lower end of the recovery tank body 1, a servo motor 5 fixedly connected to the center of the upper end of the upper cover 2, a long screw 6 fixedly connected to the upper cover 2 and having an output shaft of the servo motor 5, a filter plate 10 fixedly connected to the lower end of the long screw 6, a lifting plate 8 and a stirring blade 11 respectively disposed on the upper and lower sides of the filter plate 10, the stirring blade 11 fixedly connected to the end of the long screw 6, the lifting plate 8 in threaded connection with the long screw 6, a pair of slide rods 7 fixedly connected to the lower end of the upper cover 2, a main slide hole matched with the slide rods 7 disposed on the lifting plate 8, a plurality of auxiliary slide holes disposed on the.

In the utility model, the movable part 9 comprises a sliding tube 91, a fixed ring 93 and a limit ring 94, the sliding tube 91 is connected with the auxiliary sliding hole in a sliding way, the fixed ring 93 and the limit ring 94 are respectively and fixedly connected with the upper end part and the lower end part of the sliding tube 91, and the passivating agent is disturbed by the sliding tube 91 in the process that the lifting plate 8 moves up and down; when the lifting plate 8 moves to the top end and the bottom end of the recovery tank body 1, the sliding pipe 91 slides along the auxiliary sliding hole, so that the lifting plate 8 is lifted to the maximum extent, and the inner wall of the recovery tank body 1 is kept clean.

Wherein, 11 lower extremes fixedly connected with of stirring leaf 12 have a plurality of broken teeth 12, and a plurality of broken teeth 12 of a plurality of stirring leaf 11 lower extremes are crisscross to be set up, and when stirring leaf 11 area broken tooth 12 rotated, broken tooth 12 can carry out comprehensive contact with receipts jar body 1 bottom to keep retrieving the cleanness of jar body 1 interior bottom.

Wherein, the inner wall of the recovery tank body 1, the surfaces of the lifting plate 8 and the filter plate 10 are coated with anti-sticking coatings.

The working principle is as follows: a low-concentration passivator is introduced into the recovery tank body 1 from the liquid inlet pipe 3, the servo motor 5 is started to drive the lifting plate 8 to move up and down through the long screw 6, the stirring blades 11 and the filter plates 10 both rotate along with the long screw 6, and in the process of moving up and down of the lifting plate 8, the edge of the lifting plate 8 moves up and down along the inner wall of the recovery tank body 1 while the passivator is disturbed by the sliding pipe 91, so that the inner wall of the recovery tank body 1 is prevented from being scaled; the stirring blades 11 drive the crushing teeth 12 to rotate, so that scaling at the bottom end in the recovery tank body 1 is prevented, and the inner wall of the recovery tank body 1 is kept clean.

Example 2

Referring to fig. 1-3, in the present embodiment, compared with embodiment 1, a compression spring 92 is sleeved on a sliding tube 91, and the compression spring 92 is located on the upper side of a lifting plate 8, when the lifting plate 8 moves to the top end of a recovery tank body 1, the sliding tube 91 slides downwards along an auxiliary sliding hole under the extrusion of an upper cover 2, and the compression spring 92 compresses, and can perform a crushing treatment effect on impurities in a passivator during compression.

It should be further noted that the electrical control method used in this document is automatically controlled by a controller and powered by an external power source, and the control circuit of the controller can be implemented by simple programming by those skilled in the art, which belongs to the common knowledge in the art, and this application mainly serves to protect the mechanical device, so the control method and the circuit connection are not explained in detail in this application.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a metal casting surface passivation device, includes the recovery jar body (1) that the upper end is connected with upper cover (2), upper cover (2) upper end fixedly connected with feed liquor pipe (3), retrieve jar body (1) lower extreme fixedly connected with drain pipe (4), its characterized in that, upper cover (2) upper end center department fixedly connected with servo motor (5), the output shaft of servo motor (5) runs through upper cover (2) and fixedly connected with long screw rod (6), long screw rod (6) lower extreme fixedly connected with filter plate (10), the upper and lower side of filter plate (10) is provided with lifter plate (8) and stirring leaf (11) respectively, and stirring leaf (11) and long screw rod (6) tip fixed connection, lifter plate (8) and long screw rod (6) threaded connection, upper cover (2) lower extreme fixedly connected with a pair of litter (7), the lifting plate (8) is provided with a main sliding hole matched with the sliding rod (7), the lifting plate (8) is provided with a plurality of auxiliary sliding holes, and the auxiliary sliding holes are connected with moving pieces (9) in a sliding mode.

2. The metal casting surface passivation device according to claim 1, characterized in that the movable member (9) comprises a sliding tube (91), a fixed ring (93) and a limit ring (94), the sliding tube (91) is slidably connected with the auxiliary sliding hole, and the fixed ring (93) and the limit ring (94) are respectively and fixedly connected to the upper end and the lower end of the sliding tube (91).

3. A metal casting surface passivation device according to claim 2, characterized in that the slide tube (91) is sleeved with a compression spring (92), and the compression spring (92) is positioned on the upper side of the lifting plate (8).

4. A metal casting surface passivation device according to claim 3, characterized in that a plurality of crushing teeth (12) are fixedly connected to the lower end of the stirring blade (11).

5. A metal casting surface passivation device according to claim 4, characterized in that the crushing teeth (12) at the lower end of the stirring vanes (11) are staggered.

6. A metal casting surface passivation device according to any one of claims 1-5, characterized in that the inner wall of the recovery tank body (1), the surfaces of the lifting plate (8) and the filter plate (10) are coated with anti-sticking coatings.