CN212682346U

CN212682346U - Sand mixer for casting

Info

Publication number: CN212682346U
Application number: CN202021046061.9U
Authority: CN
Inventors: 张献; 李晶晶
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-03-12
Anticipated expiration: 2030-06-09

Abstract

The utility model provides a roller mill of casting usefulness relates to casting machinery technical field, including the roller mill, the inside wall fixedly connected with fixed plate and the annular rack of roller mill, the top fixedly connected with connecting box of fixed plate. This roller mill of casting usefulness, it is rotatory to rotate the stirring leaf that drives second connecting rod one end through the bull stick, come to stir the roller mill inside raw materials through the stirring leaf, after the stirring mixes, through the inside coupling mechanism of control connection box, make the bull stick rotate together when rotating, the drive dwang revolves around the bull stick, and when connecting the pivoted in-process of bull stick, the drive dwang carries out the rotation under the effect through setting up gear and annular rack, the scraping bar through revolution and rotation comes to clear up the inner wall of roller mill, come to clear up the inner diapire of roller mill through the arc scraper blade, thereby avoid the molding sand to bond on the inner wall and the interior roof of roller mill, influence the normal use of roller mill.

Description

Sand mixer for casting

Technical Field

The utility model relates to a casting machinery technical field specifically is a roller mill of casting usefulness.

Background

The sand mixer is a device which uniformly mixes all components in the molding sand and effectively coats the adhesive on the surface of the sand, and can be divided into the following steps according to the process characteristics of sand mixing: a rolling wheel type sand mixer mainly applying rolling and rubbing; a blade type sand mixer mainly using mixing action; a reverse flow type or called rotor type sand mixer with rubbing and grinding and mixing functions and a balance wheel type sand mixer with rolling and mixing functions; the sand mixer is also divided into an intermittent sand mixer and a continuous sand mixer according to work.

The sand mixer is used as equipment for mixing molding sand, is widely used in the casting industry, most of the existing sand mixers lack a cleaning structure, and the molding sand can be often adhered to the inner wall of a shell of the sand mixer in the sand mixing process, so that the use of the sand mixer is easily influenced after the sand mixer adhered to the inner wall of the sand mixer is dried.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a sand mixer for casting.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a sand mixer for casting comprises a sand mixer, wherein a fixed plate and an annular rack are fixedly connected to the inner side wall of the sand mixer, a connecting box is fixedly connected to the top of the fixed plate, an inner top wall and an inner bottom wall of the connecting box are respectively and rotatably connected with a rotating rod and a rotating cylinder, the rotating cylinder sequentially penetrates through the inner bottom wall of the connecting box and the top of the fixed plate and extends to the bottom of the fixed plate, a connecting rotating rod is fixedly connected to the bottom of the rotating cylinder, the rotating rod sequentially penetrates through the inner part of the rotating cylinder and the top of the connecting rotating rod and extends to the bottom of the connecting rotating rod, notches are formed in two ends of the connecting rotating rod, the inner top wall of each notch is rotatably connected with a rotating rod, the rotating rod penetrates through the inner bottom wall of the notch and extends to the bottom of the connecting rotating rod, a gear is fixedly connected to the outer surface of, the one end fixedly connected with of head rod scrapes the pole, and the surface fixedly connected with second connecting rod and the arc scraper blade of bull stick, the one end fixedly connected with stirring leaf of second connecting rod.

Furthermore, the outer fixed surface of bull stick is connected with upper bevel gear, and the outer fixed surface of rotary drum is connected with lower bevel gear, and the inside of connecting box is equipped with connection bevel gear, and connection bevel gear meshes with upper bevel gear and lower bevel gear respectively, through setting up upper bevel gear, lower bevel gear and connection bevel gear, drives the rotary drum and rotates together when the bull stick rotates.

Further, inlay at the top of fixed plate has first bearing, and the outer fixed surface of rotary drum connects the inner circle at first bearing, and the inner wall fixedly connected with second bearing of rotary drum, the outer fixed surface of bull stick connects the inner circle at the second bearing, supports the rotary drum through setting up first bearing and rotates, reduces the coefficient of friction of rotary drum rotation in-process, supports the bull stick through setting up the second bearing and rotates, reduces the coefficient of friction of bull stick rotation in-process.

Further, the top fixedly connected with electric putter of fixed plate, electric putter's output runs through a side of connecting box and extends to the inside of connecting box, connects bevel gear and electric putter's output and rotates and be connected, moves about connecting bevel gear in the inside of connecting box through starting electric putter drive, moves when connecting bevel gear and right, separates the connection between last bevel gear and the lower bevel gear, makes the bull stick rotate alone.

Further, the top fixedly connected with rotating electrical machines of roller mill, the output pivot of rotating electrical machines run through the top of roller mill and the top of connecting box in proper order and extend to the inside of connecting box, and the output pivot and the bull stick fixed connection of rotating electrical machines are through starting rotating electrical machines, and the control bull stick of being convenient for lasts the rotation.

Further, the top fixedly connected with of roller mill annotates the material pipe, annotates the material pipe and runs through the top of roller mill and the top of fixed plate in proper order and extend to the bottom of fixed plate, and the wide gauze mask of top fixedly connected with of notes material pipe, the top of wide gauze mask is articulated through the round pin hub fixation to have the top cap, through opening the top cap at wide gauze mask top, is convenient for pour into the mixed raw materials into to roller mill's inside through annotating the material pipe.

Furthermore, the bottom fixedly connected with of roller mill arranges the material pipe, arranges the external surface fixed connection baiting valve of material pipe, through opening the baiting valve of arranging material pipe surface, discharges the inside of roller mill through arranging the material that the material pipe will mix.

Compared with the prior art, the sand mixer for casting has the following beneficial effects:

1. this roller mill of casting usefulness, it is rotatory to rotate the stirring leaf that drives second connecting rod one end through the bull stick, come to stir the roller mill inside raw materials through the stirring leaf, after the stirring mixes, through the inside coupling mechanism of control connection box, make the bull stick rotate together when rotating, the drive dwang revolves around the bull stick, and when connecting the pivoted in-process of bull stick, the drive dwang carries out the rotation under the effect through setting up gear and annular rack, the scraping bar through revolution and rotation comes to clear up the inner wall of roller mill, come to clear up the inner diapire of roller mill through the arc scraper blade, thereby avoid the molding sand to bond on the inner wall and the interior roof of roller mill, influence the normal use of roller mill.

2. The sand mixer for casting is provided with an upper bevel gear, a lower bevel gear and a connecting bevel gear, when the rotating rod rotates, the rotating drum is driven to rotate together, the first bearing is arranged to support the rotating drum to rotate, the friction coefficient in the rotating process of the rotating drum is reduced, the second bearing is arranged to support the rotating rod to rotate, so that the friction coefficient of the rotating rod in the rotating process is reduced, the electric push rod is started to drive the connecting bevel gear to move left and right in the connecting box, when the connecting bevel gear moves rightwards, the connection between the upper bevel gear and the lower bevel gear is separated, so that the rotating rod rotates independently, by starting the rotating motor, the rotating rod is convenient to control to rotate continuously, and by opening the top cover at the top of the wide mouth mask, the mixed raw materials are convenient to pour into the inside of the sand mixer through the material injection pipe, and the mixed materials are discharged out of the inside of the sand mixer through the material discharge pipe by opening the material discharge valve on the outer surface of the material discharge pipe.

Drawings

FIG. 1 is a schematic structural view of a sand mixer of the present invention;

FIG. 2 is a schematic structural view of the fixing plate and the connecting box of the present invention;

FIG. 3 is an enlarged schematic view of the present invention at A in FIG. 1;

fig. 4 is a perspective view of the connecting rotary rod of the present invention.

Wherein, 1, a sand mixer; 2. a fixing plate; 3. a connecting box; 4. a rotating rod; 5. a rotating drum; 6. connecting the rotating rod; 7. a notch; 8. rotating the rod; 9. a gear; 10. an annular rack; 11. a first connecting rod; 12. A scraping rod; 13. a second connecting rod; 14. stirring blades; 15. an arc-shaped scraper plate; 16. an upper bevel gear; 17. A lower bevel gear; 18. connecting a bevel gear; 19. a first bearing; 20. a second bearing; 21. an electric push rod; 22. a rotating electric machine; 23. a material injection pipe; 24. wide mouth mask; 25. a discharge pipe.

Detailed Description

As shown in fig. 1-4, the embodiment of the present invention provides a sand mixer for casting, which comprises a sand mixer 1, wherein the inner side wall of the sand mixer 1 is fixedly connected with a fixed plate 2 and an annular rack 10, the top of the fixed plate 2 is fixedly connected with a connecting box 3, the top of the sand mixer 1 is fixedly connected with a feeding pipe 23, the feeding pipe 23 sequentially penetrates through the top of the sand mixer 1 and the top of the fixed plate 2 and extends to the bottom of the fixed plate 2, the top of the feeding pipe 23 is fixedly connected with a wide mouth cover 24, the top of the wide mouth cover 24 is fixedly hinged with a top cover through a pin shaft, the top cover at the top of the wide mouth mask 24 is opened, mixed raw materials are convenient to pour into the sand mixer 1 through the material injection pipe 23, the bottom of the sand mixer 1 is fixedly connected with a material discharge pipe 25, the outer surface of the material discharge pipe 25 is fixedly connected with a material discharge valve, the mixed material is discharged out of the interior of the sand mixer 1 through the discharge pipe 25 by opening the discharge valve on the outer surface of the discharge pipe 25.

The inner top wall and the inner bottom wall of the connecting box 3 are respectively and rotatably connected with a rotating rod 4 and a rotating cylinder 5, the rotating cylinder 5 sequentially penetrates through the inner bottom wall of the connecting box 3 and the top of the fixed plate 2 and extends to the bottom of the fixed plate 2, the bottom of the rotating cylinder 5 is fixedly connected with a connecting rotating rod 6, the rotating rod 4 sequentially penetrates through the interior of the rotating cylinder 5 and the top of the connecting rotating rod 6 and extends to the bottom of the connecting rotating rod 6, two ends of the connecting rotating rod 6 are respectively provided with a notch 7, the inner top wall of each notch 7 is rotatably connected with a rotating rod 8, the rotating rod 8 penetrates through the inner bottom wall of the notch 7 and extends to the bottom of the connecting rotating rod 6, the outer surface of each rotating rod 8 is fixedly connected with a gear 9, the gear 9 is meshed with an annular rack 10, the outer surface of each rotating rod 8 is fixedly connected with a first connecting rod 11, one end of the first connecting, the outer surface of the rotating cylinder 5 is fixedly connected with a lower bevel gear 17, the inside of the connecting box 3 is provided with a connecting bevel gear 18, the connecting bevel gear 18 is respectively meshed with the upper bevel gear 16 and the lower bevel gear 17, the rotating cylinder 5 is driven to rotate together when the rotating rod 4 rotates by arranging the upper bevel gear 16, the lower bevel gear 17 and the connecting bevel gear 18, a first bearing 19 is embedded at the top of the fixed plate 2, the outer surface of the rotating cylinder 5 is fixedly connected with an inner ring of the first bearing 19, the inner wall of the rotating cylinder 5 is fixedly connected with a second bearing 20, the outer surface of the rotating rod 4 is fixedly connected with an inner ring of the second bearing 20, the rotating cylinder 5 is supported to rotate by arranging the first bearing 19, the friction coefficient of the rotating cylinder 5 in the rotating process is reduced, the rotating rod 4 is supported to rotate by arranging the second bearing 20, the friction coefficient of the rotating rod 4 in the rotating, the model of electric putter 21 is the DT type, and electric putter 21's output runs through a side of connecting box 3 and extends to the inside of connecting box 3, connects bevel gear 18 and electric putter 21's output and rotates to be connected, moves about connecting bevel gear 18 in the inside of connecting box 3 through starting electric putter 21 drive, and when connecting bevel gear 18 and move right, the separation goes up being connected between bevel gear 16 and the lower bevel gear 17, makes bull stick 4 rotate alone.

Outer fixed surface of bull stick 4 is connected with second connecting rod 13 and arc scraper 15, the one end fixedly connected with stirring leaf 14 of second connecting rod 13, the top fixedly connected with rotating electrical machines 22 of roller mill 1, the model of rotating electrical machines 22 is YE2 series motor, the output pivot of rotating electrical machines 22 runs through the top of roller mill 1 and the top of connecting box 3 in proper order and extends to the inside of connecting box 3, the output pivot and the bull stick 4 fixed connection of rotating electrical machines 22, through starting rotating electrical machines 22, be convenient for control bull stick 4 continuously rotates.

When the sand mixer for casting is used, the electric push rod 21 and the rotating motor 22 are connected with a municipal power supply, the top cover at the top of the wide mouth mask 24 is opened, mixed raw materials are poured into the sand mixer 1 through the material injection pipe 23, the rotating motor 22 is started to drive the rotating rod 4 to rotate, the raw materials in the sand mixer 1 are stirred and mixed through the rotation of the stirring blade 14 at one end of the second connecting rod 13, the discharge valve on the outer surface of the discharge pipe 25 is opened after stirring and mixing, the mixed materials are discharged out of the sand mixer 1 through the discharge pipe 25, the electric push rod 21 is started to push the connecting bevel gear 18 to move leftwards in the connecting box 3, the connecting bevel gear 18 is respectively meshed with the upper bevel gear 16 and the lower bevel gear 17, the rotating cylinder 5 is driven to rotate together when the rotating rod 4 rotates, the rotating rod 8 is driven to revolve around the rotating rod 4, and in the rotating process of the connecting rotating rod 6, the rotation is performed by driving the rotating rod 8 under the action of the gear 9 and the annular rack 10, the inner wall of the sand mixer 1 is cleaned by the scraping rod 12 which revolves and rotates, and the inner bottom wall of the sand mixer 1 is cleaned by the arc-shaped scraping plate 15, so that the molding sand is prevented from being bonded on the inner wall and the inner top wall of the sand mixer 1.

Claims

1. A roller mill for casting, comprising a roller mill (1), characterized in that: the inner side wall of the sand mixer (1) is fixedly connected with a fixed plate (2) and an annular rack (10), the top of the fixed plate (2) is fixedly connected with a connecting box (3), the inner top wall and the inner bottom wall of the connecting box (3) are respectively and rotatably connected with a rotating rod (4) and a rotating cylinder (5), the rotating cylinder (5) sequentially penetrates through the inner bottom wall of the connecting box (3) and the top of the fixed plate (2) and extends to the bottom of the fixed plate (2), the bottom of the rotating cylinder (5) is fixedly connected with a connecting rotating rod (6), the rotating rod (4) sequentially penetrates through the inner part of the rotating cylinder (5) and the top of the connecting rotating rod (6) and extends to the bottom of the connecting rotating rod (6), notches (7) are respectively formed at two ends of the connecting rotating rod (6), the inner bottom wall of each notch (7) is rotatably connected with a rotating rod (8), the rotating rod (8) penetrates through the inner bottom wall of each notch (, the equal fixedly connected with gear (9) of surface of every dwang (8), gear (9) mesh mutually with annular rack (10), the outer fixed surface of dwang (8) is connected with head rod (11), the one end fixedly connected with of head rod (11) scrapes pole (12), the outer fixed surface of bull stick (4) is connected with second connecting rod (13) and arc scraper blade (15), the one end fixedly connected with stirring leaf (14) of second connecting rod (13).

2. A sand mixer for casting according to claim 1, wherein: the outer surface of the rotating rod (4) is fixedly connected with an upper bevel gear (16), the outer surface of the rotating cylinder (5) is fixedly connected with a lower bevel gear (17), a connecting bevel gear (18) is arranged inside the connecting box (3), and the connecting bevel gear (18) is meshed with the upper bevel gear (16) and the lower bevel gear (17) respectively.

3. A sand mixer for casting according to claim 1, wherein: the top of fixed plate (2) is inlayed and is had first bearing (19), and the outer fixed surface of rotary drum (5) is connected in the inner circle of first bearing (19), and the inner wall fixedly connected with second bearing (20) of rotary drum (5), the outer fixed surface of bull stick (4) are connected in the inner circle of second bearing (20).

4. A sand mixer for casting according to claim 1, wherein: the top fixedly connected with electric putter (21) of fixed plate (2), the output of electric putter (21) runs through a side of connecting box (3) and extends to the inside of connecting box (3), connects bevel gear (18) and is connected with the output rotation of electric putter (21).

5. A sand mixer for casting according to claim 1, wherein: the top fixedly connected with rotating electrical machines (22) of roller mill (1), the output pivot of rotating electrical machines (22) run through the top of roller mill (1) and the top of connecting box (3) in proper order and extend to the inside of connecting box (3), the output pivot and bull stick (4) fixed connection of rotating electrical machines (22).

6. A sand mixer for casting according to claim 1, wherein: the top fixedly connected with of roller mill (1) annotates material pipe (23), annotates material pipe (23) and runs through the top of roller mill (1) and the top of fixed plate (2) in proper order and extend to the bottom of fixed plate (2), the top fixedly connected with wide-mouth cover (24) of annotating material pipe (23), and the top of wide-mouth cover (24) has the top cap through round pin axle fixed hinge joint.

7. A sand mixer for casting according to claim 1, wherein: the bottom of the sand mixer (1) is fixedly connected with a discharge pipe (25), and the outer surface of the discharge pipe (25) is fixedly connected with a discharge valve.