CN213379121U

CN213379121U - Sand mixer for casting

Info

Publication number: CN213379121U
Application number: CN202021688514.8U
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, which comprises a frame (1), a shell (2) with an open top, more than two motors (3) and a sand mixing shaft (4), wherein the bottom of the shell (2) is arranged on the frame (1), the motors (3) are arranged on the shell (2), an output shaft of each motor (3) is connected with one sand mixing shaft (4), the sand mixing shaft (4) extends into the shell (2) and is driven by the motor (3) to rotate, a plurality of stirring paddles (5) are arranged on the sand mixing shaft (4), a sand outlet (6) is arranged at the bottom of the shell (2), a sealing plate (7) is arranged at the sand outlet (6), the sealing plate (7) is rotatably connected with the bottom of the shell (2), a driving cylinder (8) is arranged at the bottom of the shell (2), and a piston rod of the driving cylinder (8) stretches and retracts to drive the sealing plate (7) to rotate relative to the shell (2) and is used for opening and closing the sand outlet (6). The utility model discloses a mulling is effectual, and the ejection of compact is convenient.

Description

Sand mixer for casting

Technical Field

The utility model relates to a roller mill of casting usefulness belongs to casting technical field.

Background

The roller mill is one of the indispensable instrument of casting trade, current roller mill includes frame, casing and motor, the motor is installed in the frame, the output shaft of motor has the roller mill axle, the roller mill axle upwards stretches the casing in the bottom of casing, set up the stirring rake on the roller mill axle, the homogeneity of roller mill mulling of this kind of structure is poor, and the roller mill of this kind of structure, from the top feeding and the ejection of compact of casing, and the ejection of compact is comparatively inconvenient, thereby also influence the efficiency of roller mill.

Disclosure of Invention

The utility model aims at providing a roller mill of casting usefulness solves the roller mill among the prior art poor and the inconvenient technical defect of sand discharging of roller mill mulling homogeneity.

In order to solve the above problems, the utility model adopts the following technical proposal: sand mixer of casting usefulness, which comprises a frame, open-top's casing, motor and mulling axle more than two, install in the frame the bottom of casing, the motor is installed on the casing, be connected with a mulling axle on the output shaft of every motor, it is rotatory by motor drive that the mulling axle stretches into in the casing, be provided with a plurality of stirring rakes on the mulling axle, open the bottom of casing has the sand outlet, be provided with the closing plate in sand outlet department, the closing plate rotates with the casing bottom to be connected, the casing bottom is provided with and drives actuating cylinder, the closing plate rotates with the piston rod that drives actuating cylinder to be connected, the relative casing rotation of piston rod flexible drive closing plate that drives actuating cylinder is used for opening and closed sand outlet. The utility model discloses in set up the rotation of many mulling axles of a plurality of motor drives and be used for mixing the sand in the casing, make the utility model discloses the mulling is even, the utility model discloses in set up the stirring rake on the mulling axle, further improvement this real neotype mulling effect, the utility model discloses a rotation of the flexible drive closing plate who drives actuating cylinder piston rod is used for opening and closing the sand outlet, goes out the sand behind the convenient mulling.

As the utility model discloses a further improvement, the top of casing is provided with the mount, and the top of mulling axle is rotated and is set up on the mount, and the motor is installed at the lateral part of casing, and the output shaft of motor adopts hold-in range or chain connection with the mulling axle. The utility model discloses set up the mount, make things convenient for the rotation installation of mulling axle, the motor is installed at the lateral part of casing, makes things convenient for the installation of motor on the one hand, also avoids the motor to install simultaneously and produces the blockage at the casing top to the casing top, and the influence is reinforced in to the casing.

As the utility model discloses a further improvement, the quantity of motor and mulling axle is two, and the mount is fixed at the casing top, and two mulling axles rotate the both ends department that sets up at the mount respectively, and two motor detachable install in the both sides of casing and the output shaft of motor is vertical upwards to be set up. The utility model discloses two sand mulling axle rotation mulling of well two motor drive, when keeping the mulling even, avoid the mulling axle quantity too much and mutual production interference in the rotation.

As a further improvement, the bottom of the shell is fixed with a guide block, a guide groove is formed in the guide block, and the sealing plate is different from one side connected with the driving cylinder, is arranged in the guide groove and can rotate and move in the guide groove. The utility model discloses set up the guide block, improve closing plate pivoted stability on the one hand, on the other hand supports the closing plate, prevents closing plate atress bending deformation.

As the utility model discloses a further improvement, the closing plate is used for and drives the downward protruding connecting block that forms of one side that actuating cylinder rotated to be connected, drives actuating cylinder's piston rod free end and connecting block rotation and is connected. The utility model discloses set up the connecting block, make things convenient for the closing plate to be connected with the rotation that drives actuating cylinder.

As the utility model discloses a further improvement still includes main driving motor, and main driving motor installs in the frame, is provided with the axis of rotation in the casing, and the bottom of axis of rotation stretches out the casing downwards and is connected with the casing rotation, and the bottom of axis of rotation is connected with main driving motor's output shaft, is provided with the scraper in the axis of rotation, and the scraper slope sets up, and its bottom is laminated with the bottom of casing internal surface mutually for strike off the sand that glues in the casing. The utility model discloses set up main driving motor to by main driving motor drive scraping plate, avoid the sand adhesion on the inside lower surface of casing and caking.

As the utility model discloses a further improvement is provided with the installation cover in the axis of rotation, and the top of installation cover is sealed and the cover is established in the axis of rotation, and the installation of installation cover and axis of rotation detachable is fixed with the installation cover, the one end of scraping the sand board. The utility model discloses set up the installation cover, make things convenient for main driving motor's installation and be convenient for the clearance and the maintenance of scraping plate.

As the utility model discloses a further improvement, it has a plurality of screw holes that run through its inside and outside to open on the installation cover, and every threaded hole is provided with one rather than screw-thread fit's bolt, and the bolt supports the axis of rotation and compresses tightly the axis of rotation near the one end of axis of rotation. The utility model discloses a threaded connection of bolt and installation cover compresses tightly the axis of rotation by the bolt tip, installs the installation cover in the axis of rotation, the simple to operate of installation cover.

As the utility model discloses a further improvement, the one end that the axis of rotation was kept away from to the scraping plate is provided with the scraping short slab, the bottom and the scraping plate fixed connection of scraping short slab, and the scraping short slab is laminated mutually with the vertical surface of casing and is used for striking off the sand of adhesion on the vertical face of casing. The utility model discloses set up the short slab of scraping sand, can scrape the clearance to the bottom on the vertical surface of casing, ensure that the casing is inside clean.

As the utility model discloses a further improvement, be provided with the stiffener between shakeout short slab and the shakeout board, the top of stiffener and the upper end fixed connection of shakeout short slab, the bottom and the shakeout board fixed connection of stiffener, the one end that the axis of rotation was kept away from to the shakeout board constitutes the right angled triangle structure with shakeout short slab and stiffener. The utility model discloses set up the stiffener, strengthen the intensity that the sand scraping plate is connected with scraping the short slab.

To sum up, the beneficial effects of the utility model are that: the utility model discloses a mulling is effectual, and the ejection of compact is convenient, and the utility model discloses simple to use, convenient operation, the utility model discloses still have simple structure's advantage.

Drawings

Fig. 1 is a plan view of the present invention.

Fig. 2 is a schematic perspective view of the first angle of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic perspective view of the second angle of the present invention.

Fig. 5 is a partially enlarged view at B in fig. 4.

Fig. 6 is a schematic perspective view of a third angle of the present invention.

Wherein: 1. a frame; 2. a housing; 3. a motor; 4. a sand mulling shaft; 5. a stirring paddle; 6. a sand outlet; 7. a sealing plate; 8. a driving cylinder; 9. a fixed mount; 10. a guide block; 11. a guide groove; 12. connecting blocks; 13. a main drive motor; 14. a rotating shaft; 15. a sand scraping plate; 16. installing a sleeve; 17. a reinforcing bar; 18. and scraping the sand short plate.

Detailed Description

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

The sand mixer for casting as shown in fig. 1 to 6 comprises a frame 1, a shell 2 with an opening at the top, more than two motors 3 and a sand mixing shaft 4, wherein the bottom of the shell 2 can be detachably mounted on the frame 1 by bolts, the shell 2 is also directly welded at the top of the frame 1, the motors 3 are mounted on the shell 2, an output shaft of each motor 3 is connected with one sand mixing shaft 4, the sand mixing shafts 4 extend into the shell 2 and are driven to rotate by the motors 3, a plurality of stirring paddles 5 are arranged on the sand mixing shafts 4 at equal intervals from top to bottom, a sand outlet 6 is formed at the bottom of the shell 2, a sealing plate 7 is arranged at the sand outlet 6, the sealing plate 7 is rotatably connected with the bottom of the shell 2 by a rotating shaft, a driving cylinder 8 is arranged at the bottom of the shell 2, a cylinder body of the driving cylinder 8 is rotatably connected with the bottom of the shell 2, the sealing plate 7 is rotatably connected with a piston rod of the driving cylinder 8, and the piston rod of the driving cylinder 8 stretches and retracts to drive the sealing plate 7 to rotate relative to the shell 2 so as to open and close the sand outlet 6. The utility model discloses when using, earlier by drive actuating cylinder 8 drive closing plate 7 rotate closed sand outlet 6, will treat the sand that the stirring mixes from the top of casing 2 again and put into casing 2, start motor 3, motor 3 drive sand mixing shaft 4 and the synchronous rotation of stirring rake 5 on the sand mixing shaft 4, will casing 2 in the abundant stirring of sand, drive actuating cylinder 8 redrive closing plate 7 rotate and open sand outlet 6, with the sand discharge in the casing 2 collect can.

The utility model discloses the top of casing 2 be provided with mount 9, mount 9's both ends and casing 2 welded fastening, the upper end of mulling axle 4 adopt two bearings that set up from top to bottom to rotate and set up on mount 9, motor 3 install the lateral part at casing 2. The utility model discloses in the preferred all setting up of quantity of motor 3 and mulling axle 4 to two, mount 9 fix at 2 tops of casing, two mulling axle 4 rotate respectively and set up in the both ends department of mount 9, two motor 3 detachable install in the both sides of casing 2 and the vertical upwards setting of output shaft of motor 3. The utility model discloses the outer surface on 2 upper portions of casing on weld and have the motor mount pad, motor 3 adopt bolt detachable to install on the motor mount pad, output shaft and the mulling axle 4 of motor 3 adopt hold-in range or chain to be connected. The utility model discloses preferred output shaft and the mulling axle 4 that adopts the hold-in range to connect motor 3, the utility model discloses the output shaft of motor 3 on be provided with driving pulley the top of mulling axle 4 install from the driven pulleys, driving pulley and from the driven pulleys adopt the synchro-rotation to be connected.

The utility model discloses the bottom welding of casing 2 be provided with guide block 10, guide block 10 on seted up guide way 11, closing plate 7 set up in guide way 11 and can rotate and remove in guide way 11 in one side that is connected with driving actuating cylinder 8 different in and driving actuating cylinder 8, promptly the utility model discloses in closing plate 7 be used for and drive the both sides that one end and guide block 10 that actuating cylinder 8's piston rod is connected are located the rotation axis respectively.

The utility model discloses preferred closing plate 7 be used for with drive actuating cylinder 8 and rotate one side of being connected and protruding formation connecting block 12 downwards, the utility model discloses preferred with connecting block 12 with closing plate 7 welded fastening, the piston rod free end that drives actuating cylinder 8 adopt the connecting pin to rotate with connecting block 12 to be connected.

The utility model discloses preferred still is provided with main driving motor 13, main driving motor 13 install in frame 1, casing 2 in be provided with axis of rotation 14, axis of rotation 14's bottom stretch out casing 2 downwards and must be connected with casing 2 with the bearing rotation, axis of rotation 14's bottom and main driving motor 13's output shaft adopt the coupling joint, axis of rotation 14 on be provided with the scraping plate 15, the slope of scraping plate 15 set up, the bottom of

scraping plate

15 and 2 internal surfaces of casing laminate mutually for strike off and glue and be in casing 2 in the sand.

The utility model discloses axis of rotation 14 on be provided with installation cover 16, the top of installation cover 16 seal and the cover is established in axis of rotation 14, installation cover 16 and the installation of 14 detachable of axis of rotation, the one end and the installation cover 16 welded fastening of scraping plate 15. The utility model discloses realize that

installation cover

16 and 14 demountable installation's of axis of rotation concrete structure is: the mounting sleeve 16 is provided with a plurality of threaded holes penetrating through the inside and the outside of the mounting sleeve, each threaded hole is internally provided with a bolt matched with the threaded hole, one end of each bolt close to the rotating shaft 14 props against the rotating shaft 14 and presses the rotating shaft 14 tightly, and the mounting sleeve 16 and the rotating shaft 14 are fixed or loosened by screwing the bolts for mounting and dismounting the mounting sleeve 16.

The utility model discloses the one end that the axis of rotation 14 was kept away from to the strickle 15 be provided with the strickle 18, the bottom and the strickle 15 welded fastening of strickle 18, the strickle 18 laminate mutually with the 2 vertical surfaces of casing and be used for striking off the sand of adhesion on the 2 vertical faces of casing. The utility model discloses the preferred is provided with stiffener 17 between scraping strickle 18 and scraping plate 15, the top of stiffener 17 and scraping strickle 18's upper end welded fastening, stiffener 17's bottom and scraping plate 15 welded fastening, scraping plate 15 keep away from the one end of axis of rotation 14 and scraping strickle 18 and stiffener 17 and constitute intensity and stability that right triangle structure is connected with the strengthening scraping strickle 15 and scraping strickle 18.

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. Roller mill of casting usefulness, its characterized in that: comprises a frame (1), a shell (2) with an opening at the top, more than two motors (3) and a sand mixing shaft (4), wherein the bottom of the shell (2) is arranged on the frame (1), the motors (3) are arranged on the shell (2), an output shaft of each motor (3) is connected with one sand mixing shaft (4), the sand mixing shaft (4) extends into the shell (2) and is driven by the motors (3) to rotate, a plurality of stirring paddles (5) are arranged on the sand mixing shaft (4), a sand outlet (6) is arranged at the bottom of the shell (2), a sealing plate (7) is arranged at the sand outlet (6), the sealing plate (7) is rotatably connected with the bottom of the shell (2), a driving cylinder (8) is arranged at the bottom of the shell (2), the sealing plate (7) is rotatably connected with a piston rod of the driving cylinder (8), and the piston rod of the driving cylinder (8) stretches out and draws back to drive the sealing plate (7) to rotate relative to the shell (2) and is used for opening and closing the sand outlet (6).

2. The sand mixer for casting according to claim 1, characterized in that: the top of casing (2) is provided with mount (9), and the top of mulling axle (4) is rotated and is set up on mount (9), and motor (3) are installed in the lateral part of casing (2), and the output shaft of motor (3) adopts hold-in range or chain connection with mulling axle (4).

3. The sand mixer for casting according to claim 2, characterized in that: the quantity of motor (3) and mulling axle (4) is two, and mount (9) are fixed at casing (2) top, and two mulling axles (4) rotate respectively and set up in the both ends department of mount (9), and two motor (3) detachable install the both sides of casing (2) and the output shaft of motor (3) is vertical upwards to be set up.

4. The sand mixer for casting according to claim 1, characterized in that: a guide block (10) is fixed at the bottom of the shell (2), a guide groove (11) is formed in the guide block (10), and one side, different from the side connected with the driving cylinder (8), of the sealing plate (7) is arranged in the guide groove (11) and can rotate to move in the guide groove (11).

5. A sand mixer for casting according to claim 4, wherein: the sealing plate (7) is used for forming a connecting block (12) by protruding downwards on one side rotationally connected with the driving cylinder (8), and the free end of a piston rod of the driving cylinder (8) is rotationally connected with the connecting block (12).

6. The sand mixer for casting according to claim 1, characterized in that: still include main driving motor (13), install on frame (1) main driving motor (13), be provided with axis of rotation (14) in casing (2), the bottom of axis of rotation (14) stretches out casing (2) downwards and rotates with casing (2) and be connected, the bottom of axis of rotation (14) and the output shaft of main driving motor (13), be provided with sand scraping plate (15) on axis of rotation (14), sand scraping plate (15) slope sets up, its bottom is laminated with the bottom of casing (2) internal surface mutually, be used for striking off the sand that glues in casing (2).

7. A sand mixer for casting according to claim 6, characterized in that: the rotating shaft (14) is provided with an installation sleeve (16), the top of the installation sleeve (16) is closed and sleeved on the rotating shaft (14), the installation sleeve (16) and the rotating shaft (14) are detachably installed, and one end of the sand scraping plate (15) is fixed with the installation sleeve (16).

8. A sand mixer for casting according to claim 7, characterized in that: the mounting sleeve (16) is provided with a plurality of threaded holes penetrating through the inside and the outside of the mounting sleeve, each threaded hole is internally provided with a bolt matched with the threaded hole, and one end of each bolt close to the rotating shaft (14) supports against the rotating shaft (14) and compresses the rotating shaft (14).

9. A sand mixer for casting according to claim 7, characterized in that: one end of the sand scraping plate (15) far away from the rotating shaft (14) is provided with a sand scraping short plate (18), the bottom end of the sand scraping short plate (18) is fixedly connected with the sand scraping plate (15), and the sand scraping short plate (18) is attached to the vertical surface of the shell (2) and used for scraping sand adhered to the vertical surface of the shell (2).

10. The sand mixer for casting according to claim 9, characterized in that: be provided with stiffener (17) between strickle (18) and strickle (15), the top of stiffener (17) and the upper end fixed connection of strickle (18), the bottom and strickle (15) fixed connection of stiffener (17), the one end and strickle (18) and stiffener (17) that axis of rotation (14) were kept away from to strickle (15) constitute right triangle structure.