CN213379122U

CN213379122U - Sand outlet structure of sand mixer

Info

Publication number: CN213379122U
Application number: CN202021688522.2U
Authority: CN
Inventors: 赵德智; 赵善平; 吕锡震; 施小福; 许建军; 高雪平; 陈红亮
Original assignee: Nanjing Longning Machine Tool Equipment Co ltd
Current assignee: Nanjing Longning Machine Tool Equipment Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-06-08
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a sand mixer sand outlet structure, including closing plate (1), actuating mechanism and offer sand outlet (3) in sand mixer (2) bottom, closing plate (1) rotates and sets up on sand mixer (2), and actuating mechanism is connected with closing plate (1) and is used for driving closing plate (1) sand mixer (2) rotation relatively, and closing plate (1) board rotates and is used for opening and closed sand outlet (3). The utility model has the advantages that: the utility model discloses a sand outlet is opened and is closed convenient, makes things convenient for the sand of roller mill, the utility model discloses still have simple structure, the good advantage of stability.

Description

Sand outlet structure of sand mixer

Technical Field

The utility model relates to a sand mixer sand outlet structure belongs to casting technical field.

Background

The sand mixer is one of indispensable tools in the technical field of casting, and has the functions of uniformly mixing all components in molding sand, and when sand is discharged after the sand mixing is finished, the conventional sand mixer only has a sand inlet but not a sand outlet, so that the sand inlet and the sand outlet are finished from the top of the sand mixer, and the sand discharge is extremely inconvenient, so that the sand discharge efficiency of the conventional sand mixer is low, and the casting requirement cannot be met. Designing a sand outlet structure capable of finishing sand outlet for sand outlet of a sand mixer is one of the problems to be solved urgently at present.

Disclosure of Invention

The utility model aims at providing a sand outlet structure of sand mixer solves among the prior art inconvenient technical defect of sand outlet after the sand mixer is accomplished to the sand mixer.

In order to solve the above problems, the utility model adopts the following technical proposal: the sand outlet structure of the sand mixer comprises a sealing plate, a driving mechanism and a sand outlet arranged at the bottom of the sand mixer, wherein the sealing plate is rotatably arranged on the sand mixer, the driving mechanism is connected with the sealing plate and used for driving the sealing plate to rotate relative to the sand mixer, and the sealing plate rotates to open and close the sand outlet. The utility model discloses in the sand outlet set up in the bottom of roller mill, open the sand outlet, sand is accomplished to usable gravity, the utility model discloses an actuating mechanism drive closing plate rotates and can open and closed sand outlet, the opening and the closure of sand outlet are convenient, make the sand outlet of whole roller mill more convenient.

As the utility model discloses a further improvement, the one end of closing plate adopts the axis of rotation that is located sand outlet one side to rotate with the roller mill bottom and is connected, is provided with the annular guide way of circle in the bottom of roller mill, has seted up annular guide way in the guide way, and the closing plate is kept away from one side setting of axis of rotation and is slided in the guide way and along with the rotation of closing plate in the guide way. The utility model discloses set up the guide way, cooperate with the closing plate through the guide way on the guide way, provide ascending pulling force to the closing plate, make the rotation of closing plate stable, improve the utility model discloses holistic stability.

As the utility model discloses a further improvement, actuating mechanism is the cylinder, and the cylinder body of cylinder rotates the bottom that sets up at the roller mill, and the piston rod free end and the closing plate of cylinder rotate to be connected, and the piston rod of cylinder is flexible to be used for driving the closing plate and rotates. The utility model discloses a piston rod extension and the shrink drive closing plate of cylinder rotate, because the simple to operate of cylinder makes the utility model discloses holistic simple structure, simple to operate.

As a further improvement of the utility model, the lower surface that the closing plate is used for the one end of being connected with the piston rod of cylinder is fixed with the spliced pole, and the piston rod and the spliced pole of cylinder rotate to be connected. The utility model discloses set up the spliced pole, make things convenient for the piston rod of cylinder and be connected with the rotation of closing plate.

As a further improvement, the bottom of the sand mixer is provided with a mounting column, and the cylinder body of the cylinder is rotated and installed on the mounting column. The utility model discloses set up the erection column, make things convenient for the cylinder body of cylinder and the rotation installation of roller mill.

As the utility model discloses a further improvement, actuating mechanism is the axis of rotation of rotating connection closing plate and roller mill, the bottom and the closing plate fixed connection of axis of rotation, be fixed with the more than one fixed plate on the surface of roller mill, the vertical fixed plate that upwards passes of axis of rotation and rotate with the fixed plate and be connected, the top of axis of rotation is provided with and is used for the handle, operating handle is used for driving the axis of rotation to rotate, the roller mill bottom is provided with the fixed block, the fixed block is located the both sides of sand outlet respectively with the axis of rotation, the one end that is close to the axis of rotation on the fixed block has seted up semi-annular guide way, one side that the axis of. The utility model discloses a rotation axis, make and rotate the relative roller mill of closing plate with axis of rotation fixed connection, the utility model provides an axis of rotation is used for rotating the closing plate on the one hand, and on the other hand also plays fixed effect to the closing plate, fixed block and axis of rotation play the effect of support to the closing plate board jointly, make the closing plate install on the roller mill.

As a further improvement of the present invention, the handle is an operating rod, one end of which is fixedly connected to the top end of the rotating shaft, and the operating rod is perpendicular to the rotating shaft. The utility model discloses set up the action bars, the convenient rotation axis of rotation, the closing plate of being convenient for is opened and closed sand outlet.

As a further improvement of the utility model, the handle is formed by bending the upper part of the rotating shaft by 90 degrees. The utility model discloses in handle and axis of rotation integrated into one piece's structure, its stability of connecting is better.

As the utility model discloses a further improvement, the quantity of fixed plate is two, and it has the pivot mounting hole to open on the fixed plate, and the upper surface of fixed plate is provided with the bearing, and the axis of rotation passes the pivot mounting hole and must be connected with the fixed plate with the bearing rotation. The utility model discloses well two fixed plates make the installation of axis of rotation more stable, set up the bearing, rotate the axis of rotation more laborsaving.

As the utility model discloses a further improvement, the bearing has adopted thrust ball bearing, and thrust ball bearing's seat circle is fixed on the fixed plate to the central line of seat circle and the coincidence of the central line of pivot mounting hole, thrust ball bearing's ring and axis of rotation fixed connection. The utility model discloses a thrust ball bearing makes the axis of rotation rotate more easily on the one hand, and on the other hand carries out axial positioning, makes to the axis of rotation the utility model provides an axis of rotation rotates more stably.

To sum up, the beneficial effects of the utility model are that: the utility model discloses a sand outlet is opened and is closed convenient, makes things convenient for the sand of roller mill, the utility model discloses still have simple structure, the good advantage of stability.

Drawings

Fig. 1 is a bottom view of embodiment 1 of the present invention.

Fig. 2 is a schematic perspective view of embodiment 1 of the present invention.

Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 4 is a schematic perspective view of embodiment 2 of the present invention.

Fig. 5 is a schematic perspective view of the sand outlet in the open state according to embodiment 2 of the present invention.

Wherein: 1. a sealing plate; 2. a sand mixer; 3. a sand outlet; 4. a rotating shaft; 5. a guide ring; 6. a guide groove; 7. a cylinder; 8. connecting columns; 9. mounting a column; 10. a fixing plate; 11. a fixed block; 12. an operating lever; 13. a thrust ball bearing.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

Example 1

Sand mixer sand outlet structure as shown in fig. 1 and 2, including closing plate 1, actuating mechanism and the sand outlet 3 of seting up in sand mixer 2 bottom, the utility model discloses in the preferred circular that is of sand outlet 3 shape, closing plate 1 rotate set up on sand mixer 2 and the upper surface of closing plate 1 laminate with sand mixer 2's lower surface mutually, actuating mechanism be connected with closing plate 1 and be used for driving closing plate 1 and rotate relative sand mixer 2, closing plate 1 board rotate and be used for opening and closed sand outlet 3.

The utility model discloses in closing plate 1's one end adopt axis of rotation 4 that is located 3 one sides of sand outlet to rotate with 2 bottoms of sand mixer to be connected sand mixer 2's bottom be provided with annular guide ring 5 of circle, the utility model discloses in guide ring 5 adopt the welded mode to fix on sand mixer 2's lower surface, guide ring 5 in seted up annular guide way 6, guide way 6 and closing plate 1 at junction clearance fit, closing plate 1 keep away from one side setting of axis of rotation 4 and slide in guide way 6 along with closing plate 1's rotation.

The driving mechanism in the embodiment is an air cylinder 7, the cylinder body of the air cylinder 7 is rotatably arranged at the bottom of the sand mixer 2, the free end of the piston rod of the air cylinder 7 is rotatably connected with the sealing plate 1, and the piston rod of the air cylinder 7 is used for driving the sealing plate 1 to rotate in a telescopic mode. The utility model discloses in closing plate 1 be used for being fixed with spliced pole 8 on the lower surface of the one end of being connected with the piston rod of cylinder 7, in this embodiment the top of spliced pole 8 and closing plate 1's lower surface welded fastening, the piston rod of cylinder 7 and spliced pole 8 adopt the connecting pin to rotate and be connected. The utility model discloses sand mixer 2's bottom be provided with erection column 9, cylinder body of cylinder 7 adopt the rotating pin to rotate and install on erection column 9. The mounting posts 9 in the embodiment described are located on the outside of the guide ring 5.

The utility model discloses in the piston rod extension of cylinder 7 for drive closing plate 1 rotates round axis of rotation 4 to stagger with sand outlet 3, in order to open sand outlet 3, and when cylinder 7's piston rod shrink, the pulling closing plate 1 rotate to sand outlet 3 under, in order to close sand outlet. The utility model provides a 5 leading rings support it from the one end that closing plate 1 kept away from axis of rotation 4, make closing plate 1's atress even, prevent that closing plate 1 atress is crooked and can not closed sand outlet 3.

Example 2

Compared with the embodiment 1, the difference lies in that the driving mechanism is different, the driving mechanism in this embodiment is the rotating shaft 4 which rotatably connects the sealing plate 1 and the sand mixer 2, the bottom end of the rotating shaft 4 is fixedly connected with the sealing plate 1, the utility model adopts a welding mode to fix the rotating shaft 4 and the sealing plate 1, more than one fixing plate 10 is fixed (such as welded) on the outer surface of the sand mixer 2 at equal intervals from bottom to top, the rotating shaft 4 vertically and upwards passes through the fixing plate 10 and is rotatably connected with the fixing plate 10, the top end of the rotating shaft 4 is provided with a handle, the operating handle is used for driving the rotating shaft 4 to rotate, the bottom of the sand mixer 2 is provided with a fixing block 11, the fixing block 11 and the rotating shaft 4 are respectively positioned at two sides of the sand outlet 3, one end of the fixing block 11, which is close to the rotating shaft 4, is provided, the side of the sealing plate 1 remote from the axis of rotation 4 is located in the guide groove 6 and is movable within the guide groove 6, as shown in fig. 3, 4 and 5.

The handle in this embodiment is action bars 12, the top fixed connection of one end of action bars 12 and axis of rotation 4, fixed action bars 12 of welded mode and axis of rotation 4 are adopted to this embodiment, in the utility model discloses in action bars 12 be perpendicular with axis of rotation 4, promptly action bars 12 be the level setting.

In this embodiment, the number of the fixing plates 10 is two, the fixing plates 10 are provided with a rotating shaft mounting hole (not shown) penetrating through upper and lower surfaces thereof, the upper surface of the fixing plates 10 is provided with a bearing, and the rotating shaft 4 penetrates through the rotating shaft mounting hole and is rotatably connected with the fixing plates 10 by the bearing. The utility model discloses in the bearing adopt thrust ball bearing 13, thrust ball bearing 13's seat circle fix on fixed plate 10, the utility model discloses a fixed thrust ball bearing 13's of welded mode seat circle and fixed plate 10, the utility model discloses the central line of well thrust ball bearing 13's seat circle coincides with the central line of pivot mounting hole, thrust ball bearing 13's ring of axle and 4 fixed connection of axis of rotation, the utility model discloses the preferred ring of axle with thrust ball bearing 13 welds on axis of rotation 4.

The utility model discloses when using, handheld action bars 12, rotate axis of rotation 4, because axis of rotation 4's bottom and closing plate 1 fixed connection, consequently closing plate 1 rotate along with axis of rotation 4 is synchronous to open or close sand outlet 3. The utility model provides a thrust ball bearing 13 is realizing axis of rotation 4 fixed plate 10 pivoted mutually in, provide ascending holding power through its shaft circle to the axis of rotation, it is right closing plate 1 provide ascending pulling force to realize closing plate 1's installation.

The structure of the rest parts of the present invention is the same as that of embodiment 1, and embodiment 1 can be referred to specifically, which is not repeated herein.

Example 3

This embodiment is an improvement on embodiment 2, and compared with embodiment 2, the handle in this embodiment is formed by bending the upper part of the rotating shaft 4 by 90 degrees. The structure of the rest of this embodiment is the same as that of embodiment 2, and embodiment 2 may be referred to specifically, and details are not repeated in this embodiment.

Parts which are not specifically described in the above description are prior art or can be realized by the prior art. The specific embodiments of the present invention are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the contents of the claims of the present invention should be regarded as the technical scope of the present invention.

Claims

1. Sand mixer sand outlet structure, its characterized in that: the sand mixer comprises a sealing plate (1), a driving mechanism and a sand outlet (3) arranged at the bottom of the sand mixer (2), wherein the sealing plate (1) is rotatably arranged on the sand mixer (2), the driving mechanism is connected with the sealing plate (1) and is used for driving the sealing plate (1) to rotate relative to the sand mixer (2), and the sealing plate (1) rotates to be used for opening and closing the sand outlet (3).

2. The sand outlet structure of a sand mixer according to claim 1, characterized in that: one end of the sealing plate (1) is rotatably connected with the bottom end of the sand mixer (2) by a rotating shaft (4) located on one side of the sand outlet (3), a circular guide ring (5) is arranged at the bottom of the sand mixer (2), an annular guide groove (6) is formed in the guide ring (5), and one side, away from the rotating shaft (4), of the sealing plate (1) is arranged in the guide groove (6) and slides in the guide groove (6) along with the rotation of the sealing plate (1).

3. The sand outlet structure of a sand mixer according to claim 2, characterized in that: the driving mechanism is an air cylinder (7), the cylinder body of the air cylinder (7) is rotatably arranged at the bottom of the sand mixer (2), the free end of a piston rod of the air cylinder (7) is rotatably connected with the sealing plate (1), and the piston rod of the air cylinder (7) stretches and retracts to drive the sealing plate (1) to rotate.

4. The sand outlet structure of a sand mixer according to claim 3, characterized in that: the lower surface of the end, used for being connected with the piston rod of the air cylinder (7), of the sealing plate (1) is fixedly provided with a connecting column (8), and the piston rod of the air cylinder (7) is rotatably connected with the connecting column (8).

5. The sand outlet structure of a sand mixer according to claim 4, characterized in that: the bottom of the sand mixer (2) is provided with a mounting column (9), and the cylinder body of the air cylinder (7) is rotatably mounted on the mounting column (9).

6. The sand outlet structure of a sand mixer according to claim 1, characterized in that: actuating mechanism is rotation axis (4) of rotation connection closing plate (1) and roller mill (2), the bottom and closing plate (1) fixed connection of rotation axis (4), be fixed with more than one fixed plate (10) on the surface of roller mill (2), rotation axis (4) are vertical upwards to pass fixed plate (10) and rotate with fixed plate (10) and be connected, the top of rotation axis (4) is provided with the handle, operating handle is used for driving rotation axis (4) to rotate, roller mill (2) bottom is provided with fixed block (11), fixed block (11) and rotation axis (4) are located the both sides of sand outlet (3) respectively, semi-annular guide way (6) have been seted up to the one end that is close to rotation axis (4) on fixed block (11), one side that rotation axis (4) were kept away from in guide way (6) and can remove in guide way (6) in closing plate (1).

7. The sand outlet structure of a sand mixer according to claim 6, characterized in that: the handle is an operating rod (12), one end of the operating rod (12) is fixedly connected with the top end of the rotating shaft (4), and the operating rod (12) is perpendicular to the rotating shaft (4).

8. The sand outlet structure of a sand mixer according to claim 7, characterized in that: the handle is formed by bending the upper part of the rotating shaft (4) by 90 degrees.

9. The sand outlet structure of a sand mixer according to claim 6, 7 or 8, wherein: the quantity of fixed plate (10) is two, and it has the pivot mounting hole to open on fixed plate (10), and the upper surface of fixed plate (10) is provided with the bearing, and pivot mounting hole is passed and must be connected with fixed plate (10) with the bearing rotation to axis of rotation (4).

10. The sand outlet structure of a sand mixer according to claim 9, characterized in that: the bearing adopts a thrust ball bearing (13), a seat ring of the thrust ball bearing (13) is fixed on the fixing plate (10), the central line of the seat ring is superposed with the central line of the rotating shaft mounting hole, and a shaft ring of the thrust ball bearing (13) is fixedly connected with the rotating shaft (4).