CN211101403U

CN211101403U - Sand screening device for casting

Info

Publication number: CN211101403U
Application number: CN201922165487.XU
Authority: CN
Inventors: 段二喜
Original assignee: Zaozhuang Shengda Precision Casting Co ltd
Current assignee: Zaozhuang Shengda Precision Casting Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-07-28
Anticipated expiration: 2029-12-06

Abstract

The utility model belongs to the technical field of casting screening sand machine technique and specifically relates to a screening sand device is used in casting, including slope type screening sand machine, the bottom of screening sand machine is equipped with the mount, the mount with be equipped with shock-absorbing support between one side of slope type screening sand machine, the top of screening sand machine is equipped with vibrating device, the mount with one side that the screening sand machine is relative is equipped with the blanking plate, screening sand machine's sieve bottom both sides all are equipped with two lugs, relative two it is equipped with ejecting commentaries on classics board, two to rotate between one side of lug the top of ejecting commentaries on classics board all be equipped with a plurality of with the ejecting piece of sieve mesh assorted of screening sand machine, the bottom of ejecting commentaries on classics board is equipped with the connecting block, through the utility model discloses an improvement, the effectual sieve mesh that prevents is blockked up influences screening sand efficiency, and overall structure is simple and practical.

Description

Sand screening device for casting

Technical Field

The utility model relates to a screening sand machine technical field especially relates to a screening sand device is used in casting.

Background

Casting generally refers to a metal processing process in which metal is heated to a liquid state at a high temperature and then poured into a corresponding casting mold cavity to form a part with a certain shape. In the process, the casting mould is generally made of molding sand, so that the treatment of sand materials in the pre-casting process is a necessary process, and the sand screening is a step in the treatment process. At present, a large sand screening machine is generally adopted in a foundry, vibration type sand screening is carried out through vibration motors arranged on two sides, the sand screening efficiency is high, and impurities can be effectively prevented from being mixed; but when screening sand, the sieve mesh is often blockked up to the sand grain, perhaps impurity card is in the sieve mesh for screening sand efficiency reduction or impurity drop get into blanking district, influence screening sand quality. Therefore, the utility model provides a casting is with screening sand device solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the sieve holes are easy to be blocked when the sand screening exists in the prior art, and providing a sand screening device for casting.

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

designing a sand screening device for casting, comprising a slope type sand screening machine, wherein a fixed frame is arranged at the bottom of the sand screening machine, a plurality of damping supports are arranged between the fixed frame and one side of the slope type sand screening machine, a symmetrical vibrating device is arranged at the top of the sand screening machine, a blanking plate is arranged at one side of the fixed frame opposite to the sand screening machine, two opposite lugs are arranged at two sides of the bottom of a sieve plate of the sand screening machine, an ejection rotating plate is rotatably arranged between one side of the two opposite lugs, a plurality of ejection blocks matched with the sand screening machine are arranged at the top of the two ejection rotating plates, a connecting block is arranged at the bottom of the ejection rotating plate of sieve meshes, an arc-shaped rod is rotatably arranged at one side of the connecting block, a connecting rod is rotatably connected with one side of the sand screening machine opposite to the corresponding arc-shaped rod through a hinge, and the other end of the connecting rod is hinged with the arc-shaped rod, the sand screening machine is characterized in that one end, away from the connecting block, of the arc-shaped rod is fixedly provided with a vertical rectangular-section sliding frame, one side of the top of the sand screening machine is provided with a sliding hole matched with the sliding frame, racks are arranged on two sides of an inner frame of the sliding frame, a periodic gear matched with the racks is arranged between one sides of the racks, and one side of the periodic gear is provided with a first motor driving the periodic gear to rotate.

Preferably, the two sides of the top of the sieve plate of the sand screening machine are both provided with opposite screw rod slide rails, one ends of the two screw rod slide rails are both provided with a bevel gear type transmission device, the outer side of the sand screening machine is provided with a second motor matched with the screw rod slide rails, the two screw rod slide rails are jointly provided with a door-shaped moving seat matched with the screw rod slide rails, the top of the moving seat is provided with two vertical and opposite telescopic cylinders, the bottom of each telescopic cylinder is provided with a fixed plate, and a cleaning roller is arranged between one side of each fixed plate.

Preferably, the second motor adopts a speed reduction motor, and the second motor is connected with a power supply matched with the second motor through a lead.

Preferably, the first motor adopts a torque motor, the first motor is provided with a power supply matched with the first motor, and the bottom of the first motor is provided with a mounting seat matched with the first motor.

The utility model provides a pair of screening sand device is used in casting, beneficial effect lies in: through the arrangement and the matching of the sand screening machine, the fixing frame, the damping support and the vibrating device, the efficient sand screening of the sand screening machine is realized, and the shaking of the machine body is reduced; through the arrangement and the matching of the ejection rotating plate and the ejection speed, impurities clamped in the sieve holes can be ejected out, and then the impurities are cleaned out through vibration or cleaning of the cleaning roller; through the arrangement and the matching of the arc-shaped rod, the connecting rod, the sliding frame, the rack and the periodic gear, the ejection rotating plate is dragged to rotate through the first motor, impurities in the sieve pores are ejected, and after the ejection rotating plate is inclined at a certain angle, the sand materials on two sides are guided; through setting up and the cooperation of lead screw slide rail, transmission, second motor, removal seat, telescoping cylinder, cleaning roller, realize after the screening sand with the impurity clean up on sieve surface, overall structure is simple and practical, is fit for promoting.

Drawings

Fig. 1 is a schematic axial side structure diagram of a sand sieving device for casting according to the present invention;

fig. 2 is a schematic top view of a sand sieving device for casting according to the present invention;

fig. 3 is a schematic sectional structure view of a sand sieving device for casting according to the present invention.

In the figure: the device comprises a sand screening machine 1, a fixed frame 2, a damping support 3, a vibrating device 4, a blanking plate 5, an ejection rotating plate 6, a lug 7, an ejection block 8, a connecting block 9, an arc-shaped rod 10, a connecting rod 11, a sliding frame 12, a sliding hole 13, a rack 14, a periodic gear 15, a first motor 16, a lead screw sliding rail 17, a transmission device 171, a second motor 172, a moving seat 18, a telescopic cylinder 19, a fixed plate 20 and a cleaning roller 21.

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.

Referring to fig. 1-3, a sand sieving device for casting comprises a slope type sand sieving machine 1, a fixed frame 2 is arranged at the bottom of the sand sieving machine 1, a plurality of damping supports 3 are arranged between the fixed frame 2 and one side of the slope type sand sieving machine 1, the damping supports 3 are symmetrically arranged, a symmetrical vibrating device 4 is arranged at the top of the sand sieving machine 1, a blanking plate 5 is arranged at one side of the fixed frame 2 opposite to the sand sieving machine 1, the bottom of the blanking plate 5 is slope type and is convenient for discharging, two opposite lugs 7 are arranged at two sides of the bottom of a sieve plate of the sand sieving machine 1, an ejection rotating plate 6 is rotatably arranged between one sides of the two opposite lugs 7, a plurality of ejection blocks 8 matched with sieve meshes of the sand sieving machine 1 are arranged at the tops of the two ejection rotating plates 6, a connecting block 9 is arranged at the bottom of the ejection rotating plate 6, an arc-shaped rod 10 is rotatably arranged at one side of the connecting block 9, a connecting rod 11 is rotatably connected at one side of the sand sieving machine 1, the other end of the connecting rod 11 is hinged to the arc-shaped rod 10, a vertical sliding frame 12 with a rectangular cross section is fixedly arranged at one end, far away from the connecting block 9, of the arc-shaped rod 10, a stop block is fixedly arranged at the top of the sliding frame 12, a sliding hole 13 matched with the sliding frame 12 is formed in one side of the top of the sand screening machine 1, racks 14 are arranged on two sides of the inner frame of the sliding frame 12, a cycle gear 15 matched with the two racks 14 is arranged between one side of the two racks, and a first motor 16 driving the cycle gear to run is arranged on one side of the.

The utility model discloses in, the sieve top both sides of screening sand machine 1 all are equipped with relative lead screw slide rail 17, two lead screw slide rail 17's one end all is equipped with bevel gear formula transmission 171, screening sand machine 1's the outside be equipped with rather than assorted second motor 172, two lead screw slide rail 17 are equipped with jointly and remove seat 18 rather than assorted door word formula, the top of removing seat 18 is equipped with two vertical and relative telescopic cylinder 19, the bottom of two telescopic cylinder 19 all is equipped with fixed plate 20, be equipped with cleaning roller 21 between one side of two fixed plates 20.

Second motor 172 adopts gear motor, and second motor 172 is connected through the wire and is equipped with rather than assorted power, and first motor 16 adopts torque motor, and first motor 16 is equipped with rather than assorted power, and the bottom of first motor 16 is equipped with rather than assorted mount pad, and whole process realizes automated control, need not the manpower, and the practicality is strong.

The working process is as follows: at first the blowing, open vibrating device 4 and carry out vibrating sieve sand, when sieve sand finishes or sieve mesh jam is more serious, open first motor 16, cycle gear 15 drives sliding frame 12, arc pole 10, connecting rod 11 motion, thereby promote ejecting commentaries on classics board 6 and rotate, when ejecting commentaries on classics board 6 reaches the highest point, the ejecting piece 8 at top is ejecting with the impurity that blocks, clear up it under the vibration state, perhaps open second motor 172, make and remove seat 18 and remove, through opening the telescoping cylinder, make cleaning roller and the sieve of bottom keep certain distance to clean, clear up impurity, accomplish the process of driving impurity.

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 design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. A sand screening device for casting comprises a slope type sand screening machine (1), wherein a fixed frame (2) is arranged at the bottom of the sand screening machine (1), a plurality of damping supports (3) are arranged between the fixed frame (2) and one side of the slope type sand screening machine (1), a symmetrical vibrating device (4) is arranged at the top of the sand screening machine (1), a blanking plate (5) is arranged at one side of the fixed frame (2) opposite to the sand screening machine (1), the sand screening device is characterized in that two opposite lugs (7) are arranged on two sides of the bottom of a sieve plate of the sand screening machine (1), an ejection rotating plate (6) is rotatably arranged between one sides of the two opposite lugs (7), a plurality of ejection blocks (8) matched with sieve pores of the sand screening machine (1) are arranged at the tops of the two ejection rotating plates (6), and a connecting block (9) is arranged at the bottom of the ejection rotating plate (6), one side of connecting block (9) is rotated and is equipped with arc pole (10), screening sand machine (1) and corresponding arc pole (10) relative one side all is connected through the hinge rotation and is equipped with one connecting rod (11), the other end of connecting rod (11) with arc pole (10) are articulated, arc pole (10) are kept away from the fixed vertical rectangular cross section sliding frame (12) that is equipped with of one end of connecting block (9), top one side of screening sand machine (1) be equipped with sliding frame (12) assorted slide opening (13), the inside casing both sides of sliding frame (12) all are equipped with rack (14), two be equipped with rather than assorted cycle gear (15) between one side of rack (14), cycle gear (15) one side is equipped with its moving first motor (16) of drive.

2. The sand screening device for casting according to claim 1, wherein two opposite lead screw slide rails (17) are arranged on two sides of the top of a screen plate of the sand screening machine (1), one end of each of the two lead screw slide rails (17) is provided with a bevel gear type transmission device (171), a second motor (172) matched with the two lead screw slide rails is arranged on the outer side of the sand screening machine (1), the two lead screw slide rails (17) are jointly provided with a door-shaped movable base (18) matched with the two lead screw slide rails, the top of the movable base (18) is provided with two vertical and opposite telescopic cylinders (19), the bottoms of the two telescopic cylinders (19) are provided with fixed plates (20), and a cleaning roller (21) is arranged between one side of the two fixed plates (20).

3. The sand screening device for casting as claimed in claim 2, wherein the second motor (172) is a speed reduction motor, and the second motor (172) is connected with a power supply matched with the speed reduction motor through a lead.

4. The sand screening device for casting as claimed in claim 1, wherein the first motor (16) is a torque motor, the first motor (16) is provided with a power supply matched with the torque motor, and the bottom of the first motor (16) is provided with a mounting seat matched with the first motor.