CN210965319U

CN210965319U - Sand grain edge removing device

Info

Publication number: CN210965319U
Application number: CN201921713225.6U
Authority: CN
Inventors: 刘人付
Original assignee: Hubei Dong Zheng New Building Material Co ltd
Current assignee: Hubei Dong Zheng New Building Material Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-07-10
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses a sand grain edges and corners remove device, including a jar body, be located jar internal chamber move the mill, be located the spindle motor at jar body top and pass jar body will move the main shaft that mill and spindle motor are connected, jar body top is equipped with the feed inlet and is used for the installation spindle motor's elevating platform, it is equipped with the grinding face that moves of conical surface structure to move the mill top, the internal wall of jar that moves the mill top is equipped with fixed mill, fixed mill bottom be equipped with move the corresponding fixed grinding face of grinding face, fixed mill top is equipped with the spigot surface of funnel structure, jar internal chamber top is equipped with the shower nozzle, it is equipped with slope downwardly extending's filter screen to move the internal wall of jar of mill below, jar be equipped with on the body with the discharge gate that filter screen lower extreme position corresponds. The utility model discloses can move the interval between mill quotation and the fixed mill in order to be suitable for the sand grain of different granularity size according to the size adjustment of sand grain.

Description

Sand grain edge removing device

Technical Field

The utility model relates to a system sand technical field, more specifically say, it relates to a sand grain edges and corners remove device.

Background

In fact, most of the sand for casting steel is obtained by mechanical crushing and screening, for example, the shape of sand grains obtained after processing limestone sand is divided into: the sand grains with approximate round, polygonal and sharp corners can obviously reduce the air permeability, the fluidity and other process performance of the molding sand, so the sand grains need to be subjected to corner removal to improve the performance of the molding sand. The position of a grinding disc in the existing sand shaper is fixed, and the sand shaper can only be suitable for sand grains with single granularity and cannot meet the actual requirement of a factory.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, the utility model aims at providing a can be suitable for the sand grain edges and corners remove device of different granularity size.

The technical scheme of the utility model is that: the utility model provides a sand grain edges and corners remove device, includes a jar body, is located jar internal chamber move the mill, be located jar the spindle motor at body top and pass jar the jar body will move the main shaft that mill and spindle motor are connected, jar body top is equipped with the feed inlet and is used for the installation spindle motor's elevating platform, it is equipped with the grinding face that moves of conical surface structure to move the mill top, the internal wall of jar that moves the mill top is equipped with fixed mill, fixed mill bottom be equipped with move the corresponding fixed grinding face of grinding face, fixed mill top is equipped with the spigot surface of funnel structure, jar internal chamber top is equipped with the shower nozzle, it is equipped with the first filter screen of slope downwardly extending to move the internal wall of jar of mill below, jar be equipped with the discharge gate that first filter screen lower extreme position corresponds.

As a further improvement, a hydraulic cylinder connected with the top of the tank body is arranged at the bottom of the lifting platform.

Furthermore, a height gauge is arranged on the tank body on one side of the lifting platform, and a pointer pointing to the height gauge is arranged on one side of the lifting platform.

Further, be equipped with vibrating motor on the first filter screen, the vibrating motor periphery is equipped with the protective housing.

Further, the clearance between the movable grinding surface and the fixed grinding surface is gradually reduced from top to bottom.

Furthermore, the movable grinding surface and the fixed grinding surface are both provided with bulges.

Further, the inner wall of the tank body above the fixed grinding disc is provided with a second filter screen.

Advantageous effects

Compared with the prior art, the utility model, the advantage that has does: the utility model has the advantages that the movable grinding disc with the conical surface structure is arranged in the tank body, the fixed grinding disc is arranged above the movable grinding disc, the main shaft motor drives the movable grinding disc to rotate, sand grains are extruded and ground in a rotating way when flowing between the movable grinding disc and the fixed grinding disc, and the mutual extrusion and grinding are also carried out between the sand grains, so that the edges and corners of the sand grains can be effectively removed; and the distance between the movable grinding disc surface and the fixed grinding disc can be adjusted according to the size of the sand grains so as to be suitable for the sand grains with different particle sizes, the application range is wide, the requirement of a factory can be effectively met, and meanwhile, the distance between the movable grinding disc surface and the fixed grinding disc can be increased when the materials are clamped so that the materials can be effectively discharged.

Drawings

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

Wherein: 1-tank body, 2-movable grinding disc, 3-spindle motor, 4-spindle, 5-feed inlet, 6-lifting table, 7-movable grinding surface, 8-fixed grinding disc, 9-fixed grinding surface, 10-guide surface, 11-spray head, 12-first filter screen, 13-discharge outlet, 14-hydraulic cylinder, 15-height gauge, 16-vibration motor, 17-second filter screen and 18-handle.

Detailed Description

The invention will be further described with reference to specific embodiments shown in the drawings.

Referring to fig. 1, a sand grain corner removing device comprises a tank body 1, a movable grinding disc 2 positioned in an inner cavity of the tank body 1, a spindle motor 3 positioned at the top of the tank body 1, and a spindle 4 penetrating through the tank body 1 and connecting the movable grinding disc 2 with the spindle motor 3. The top of the tank body 1 is provided with a feed inlet 5 and a lifting platform 6 for installing a spindle motor 3, and the upper and lower heights of the movable grinding disc 2 can be adjusted through the lifting platform 6. The top of the movable grinding disc 2 is provided with a movable grinding surface 7 with a conical surface structure, the inner wall of the tank body 1 above the movable grinding disc 2 is provided with a fixed grinding disc 8, the bottom of the fixed grinding disc 8 is provided with a fixed grinding surface 9 corresponding to the movable grinding surface 7, and sand grains are subjected to rotary extrusion and grinding to remove sand grain corners when flowing through a gap between the movable grinding surface 7 and the fixed grinding surface 9. The top of the fixed grinding disc 8 is provided with a guide surface 10 with a funnel structure, which can guide sand grains to conveniently enter a gap between the movable grinding surface 7 and the fixed grinding surface 9. The top of the inner cavity of the tank body 1 is provided with a spray head 11 for spraying water in the grinding process, on one hand, the dust can be prevented, on the other hand, the grinding material generated by grinding can be taken away in time, the effect of removing edges and corners is improved, and the inner structure of the tank body 1 can be cleaned. The inner wall of the tank body 1 below the movable grinding disc 2 is provided with a first filter screen 12 which extends obliquely and downwards, and the tank body 1 is provided with a discharge hole 13 corresponding to the lower end of the first filter screen 12. The first filter 12 has a mesh diameter smaller than the size of the sand grains and can be used for filtering the abrasive and conveying the sand grains to the discharge opening 13.

The bottom of the lifting platform 6 is provided with a hydraulic cylinder 14 connected with the top of the tank body 1. The tank body 1 on one side of the lifting platform 6 is provided with a height gauge 15, and one side of the lifting platform 6 is provided with a pointer pointing to the height gauge 15. The height gauge 15 is arranged, so that the distance between the movable grinding disc 2 and the fixed grinding disc 8 can be conveniently adjusted, the sand grinder is suitable for sand grains with different grain sizes, and the application range is wide.

The first filter screen 12 is provided with a vibration motor 16, and the vibration motor 16 drives the first filter screen 12 to vibrate, so that the filtering effect can be improved, sand can flow out from the discharge hole 13 more smoothly, and sand blockage is prevented. The protective shell is arranged on the periphery of the vibration motor 16, and wraps the vibration motor 16 to play a waterproof role and effectively protect the vibration motor 16.

The clearance between the movable grinding surface 7 and the fixed grinding surface 9 is gradually reduced from top to bottom, so that sand can conveniently flow into the clearance between the movable grinding surface 7 and the fixed grinding surface 9, the rotary extrusion force and the grinding force of the sand are gradually increased, and the edges and corners of the sand are effectively removed. The movable grinding surface 7 and the fixed grinding surface 9 are both provided with protrusions, so that the contact area between sand grains and the grinding surfaces can be increased, and the grinding effect is improved.

The inner wall of the tank body 1 above the fixed grinding disc 8 is provided with a second filter screen 17, the second filter screen 17 is of a drawer type structure and comprises two parts which are symmetrically arranged, the two parts of the second filter screen 17 are respectively provided with a handle 18, the tank body 1 can be of a cuboid structure, the inner wall of the tank body 1 is provided with a sliding groove which is in sliding connection with the second filter screen 17, and the two parts of the second filter screen 17 are respectively provided with an arc-shaped groove which is matched with the main shaft 4. The diameter of the mesh of the second filter screen 17 is larger than the size of sand grains, so that the second filter screen can be used for filtering sand grains and impurities with overlarge sizes, and the effect of removing the edges and corners of the sand grains is avoided.

The utility model has the advantages that the movable grinding disc with the conical surface structure is arranged in the tank body, the fixed grinding disc is arranged above the movable grinding disc, the main shaft motor drives the movable grinding disc to rotate, sand grains are extruded and ground in a rotating way when flowing between the movable grinding disc and the fixed grinding disc, and the mutual extrusion and grinding are also carried out between the sand grains, so that the edges and corners of the sand grains can be effectively removed; and the distance between the movable grinding disc surface and the fixed grinding disc can be adjusted according to the size of the sand grains so as to be suitable for the sand grains with different particle sizes, the application range is wide, the requirement of a factory can be effectively met, and meanwhile, the distance between the movable grinding disc surface and the fixed grinding disc can be increased when the materials are clamped so that the materials can be effectively discharged.

The above is only a preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility of the invention and the utility of the patent.

Claims

1. A sand corner removing device is characterized in that: including a jar body (1), be located jar body (1) inner chamber move mill (2), be located spindle motor (3) at jar body (1) top and pass jar body (1) will move main shaft (4) that mill (2) and spindle motor (3) are connected, jar body (1) top is equipped with feed inlet (5) and is used for the installation elevating platform (6) of spindle motor (3), it is equipped with movable grinding face (7) of conical surface structure to move mill (2) top, it is equipped with fixed mill (8) to move jar body (1) inner wall of mill (2) top, fixed mill (8) bottom be equipped with move the corresponding fixed grinding face (9) of grinding face (7), fixed mill (8) top is equipped with guide surface (10) of funnel structure, jar body (1) inner chamber top is equipped with shower nozzle (11), it is equipped with slope downwardly extending's first filter screen (1) inner wall to move mill (2) below 12) And a discharge port (13) corresponding to the lower end of the first filter screen (12) is arranged on the tank body (1).

2. A grit comer removal device as defined in claim 1, wherein: and a hydraulic cylinder (14) connected with the top of the tank body (1) is arranged at the bottom of the lifting platform (6).

3. A grit comer removal device as defined in claim 1, wherein: the height gauge is characterized in that a height gauge (15) is arranged on the tank body (1) on one side of the lifting platform (6), and a pointer pointing to the height gauge (15) is arranged on one side of the lifting platform (6).

4. A grit comer removal device as defined in claim 1, wherein: the filter screen is characterized in that a vibration motor (16) is arranged on the first filter screen (12), and a protective shell is arranged on the periphery of the vibration motor (16).

5. A grit comer removal device as defined in claim 1, wherein: the clearance between the movable grinding surface (7) and the fixed grinding surface (9) is gradually reduced from top to bottom.

6. A grit comer removal device as claimed in any one of claims 1 to 5, wherein: the movable grinding surface (7) and the fixed grinding surface (9) are both provided with protrusions.

7. A grit comer removal device as in claim 6, wherein: and a second filter screen (17) is arranged on the inner wall of the tank body (1) above the fixed grinding disc (8).