CN221336501U - Casting sand shale shaker - Google Patents

Abstract

The utility model relates to a casting sand vibrating screen, which comprises a bottom plate, wherein a vibrating screen box is arranged on the upper surface of the bottom plate, a discharging plate is arranged on the outer side of the vibrating screen box near the bottom of the vibrating screen box, a material box is arranged on the upper side of the vibrating screen box, a material outlet is formed in the bottom of the material box, two side surfaces of the material box are connected with L-shaped support plates, two mounting blocks are arranged on the upper surface of the bottom plate and positioned on the two sides of the vibrating screen box, a reciprocating screw is rotatably connected between the two mounting blocks, a sliding block is arranged on the outer surface of the reciprocating screw, and the bottom of the L-shaped support plate is connected with the sliding block. The two reciprocating screw rods are driven to rotate simultaneously through the driving mechanism, and then the material box is driven to reciprocate on the upper side of the vibrating screen box through the sliding block, so that materials in the material box are not concentrated on one place in the continuous falling process, can be uniformly distributed on the screen plate, the screening rate is improved, and only the material is fed at intervals, so that the working strength is greatly reduced.

Description

Casting sand shale shaker

Technical Field

The utility model relates to the technical field of casting sand processing, in particular to a casting sand vibrating screen.

Background

Casting sand is an important material used in the casting process, can be used for manufacturing various casting parts, moulds, sand cores and sand molds, has very good bonding performance and high temperature resistance, and can ensure the quality and stability of the casting parts, so that the casting sand is one of indispensable materials in the casting process, and the casting sand needs to be screened by using a vibrating screen in the processing process so as to separate large sand grains from the casting sand.

The Chinese patent with publication number of CN216324927U discloses a casting sand vibrating screen for casting, which can screen casting sand in three stages, and has the smallest inner diameter of the meshes of a screen plate C, and sand grains passing through the meshes of the screen plate C are discharged through a discharge pipe, so that the problem that the prior casting sand vibrating screen is easily blocked by massive sand grains in the screening process is solved.

But above-mentioned device is pouring casting sand on the screen plate A, and casting sand can concentrate and pile up near the drop, just can shake piled up casting sand and scatter after need shale shaker vibration a period, has caused the screening rate slower to when screening a large amount of casting sand, need carry out frequent material loading, working strength is higher, if the material loading is untimely then leads to empty load, reduces screening efficiency.

Disclosure of utility model

The utility model aims to provide a casting sand vibrating screen which can avoid concentrated accumulation of casting sand, reduce feeding frequency and lighten working intensity.

In order to achieve the above object, the technical scheme of the present utility model is as follows.

A foundry sand shaker includes a bottom plate.

The upper surface mounting of bottom plate has the sieve case, and the discharge plate is installed near its bottom in the outside of sieve case, and the upside of sieve case is provided with the workbin, and the discharge gate has been seted up to the bottom of workbin, and the both sides face of workbin all is connected with L shape backup pad.

Two mounting blocks are mounted on the two sides of the upper surface of the bottom plate, a reciprocating screw is rotatably connected between the two mounting blocks, a sliding block is mounted on the outer surface of the reciprocating screw, and the bottom of the L-shaped supporting plate is connected with the sliding block.

One side of the upper surface of the bottom plate is provided with a driving mechanism capable of driving the two reciprocating screw rods to rotate simultaneously.

Therefore, the two reciprocating screws are driven to rotate simultaneously through the driving mechanism, and then the material box is driven to reciprocate on the upper side of the vibrating screen box through the sliding block, so that materials in the material box are not concentrated on one place in the process of continuously falling, the materials can be uniformly distributed on the screen plate, the screening rate is improved, a large amount of materials can be put into the material box once when the screening of a large amount of materials is carried out, the materials automatically fall on the screen plate through the action of gravity for screening, and the materials are fed only at intervals, so that the working strength is greatly reduced. The workbin is located the shale shaker case top, and L shape backup pad is located the workbin both sides, and reciprocating screw is located the shale shaker case both sides, and overall structure is compact, is favorable to the miniaturization of foundry sand shale shaker.

Further, the driving mechanism comprises a motor arranged on the upper surface of the bottom plate, an output shaft of the motor is connected with one of the reciprocating screw rods, and the outer surfaces of the end parts of the two reciprocating screw rods are jointly meshed and sleeved with a transmission belt.

When the motor is started, the motor can drive the reciprocating screw rods connected with the motor to rotate, and the aim of simultaneously rotating the two reciprocating screw rods is fulfilled through the transmission function of the transmission belt.

Further, the bottom sliding mounting of workbin has the baffle, and the side surface mounting of workbin has the fixed plate, and the side surface rotation of baffle is connected with the threaded rod, and the tip of threaded rod runs through the fixed plate and with its threaded connection.

The baffle can be driven to move through the rotary threaded rod, so that the blocking area of the baffle to the discharge hole at the bottom of the feed box is changed, the aim of adjusting the discharging speed is fulfilled, and reasonable adjustment can be performed according to actual conditions.

Further, both sides of the upper surface of the bottom plate are provided with sliding grooves, sliding plates are slidably arranged in the sliding grooves, and the tops of the sliding plates are connected with the sliding blocks.

Through the setting of spout and slide, can drive L shape backup pad reciprocating motion in-process at the slider and support it, make the weight of workbin and its inside material act on the slide, avoid reciprocating screw to receive the effort and lead to its bending deformation, make this device can steady operation use.

Further, a screwing block is arranged at the end part of the threaded rod, and anti-skid patterns are formed on the outer surface of the screwing block.

Through twisting the setting of piece and anti-skidding line, can make things convenient for the workman rotatory screw rod to adjust the baffle, and can avoid the smooth condition of hand.

Further, the cross section of the bottom of the material box is of a trapezoid structure with a large upper part and a small lower part.

Through the setting of trapezium structure, can make the interior material of workbin to drop totally and screen, avoid remaining condition.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic structural view of a driving mechanism in the present utility model.

Fig. 3 is a schematic view of a region structure of a baffle plate in the present utility model.

Fig. 4 is an enlarged schematic view of a in fig. 1.

In the figure: 100. a bottom plate; 101. a vibrating screen box; 102. a discharge plate; 103. a feed box; 104. an L-shaped support plate; 105. a mounting block; 106. a reciprocating screw; 107. a slide block; 200. a driving mechanism; 201. a motor; 202. a transmission belt; 300. a baffle; 301. a fixing plate; 302. a threaded rod; 400. a chute; 401. a slide plate; 500. and (5) screwing the block.

Detailed Description

The present utility model will be described in detail below with reference to the accompanying drawings.

1-4, A casting sand vibrating screen comprises a bottom plate 100, wherein a vibrating screen box 101 is arranged on the upper surface of the bottom plate 100, a discharging plate 102 is arranged on the outer side of the vibrating screen box 101 close to the bottom of the vibrating screen box, a material box 103 is arranged on the upper side of the vibrating screen box 101, a material outlet is formed in the bottom of the material box 103, and L-shaped supporting plates 104 are connected to two side surfaces of the material box 103; two mounting blocks 105 are mounted on the upper surface of the bottom plate 100 and positioned on two sides of the vibrating screen box 101, a reciprocating screw 106 is rotatably connected between the two mounting blocks 105, a sliding block 107 is mounted on the outer surface of the reciprocating screw 106, and the bottom of the L-shaped supporting plate 104 is connected with the sliding block 107; a driving mechanism 200 capable of simultaneously driving the two reciprocating screws 106 to rotate is provided at one side of the upper surface of the base plate 100.

When casting sand is screened, casting sand is added into the material box 103, casting sand falls into the vibrating screen box 101 from a discharge hole at the bottom of the material box 103 under the action of gravity, at the moment, the driving mechanism 200 drives the two reciprocating screw rods 106 to rotate simultaneously, and the reciprocating screw rods 106 drive the sliding blocks 107 to reciprocate along the surfaces of the reciprocating screw rods, so that the connecting action of the L-shaped supporting plates 104 drives the material box 103 to reciprocate on the upper side of the vibrating screen box 101, materials in the material box 103 are not concentrated in one place in the continuous falling process, and can be uniformly distributed on the screen plate, so that the screening rate is improved, and after the materials are added into the material box 103 once, the materials can continuously fall into the vibrating screen box 101 for screening in a certain time, so that frequent feeding is not needed, only feeding is needed for a period of time, and the working strength is greatly reduced.

Specifically, the driving mechanism 200 includes a motor 201 mounted on the upper surface of the base plate 100, an output shaft of the motor 201 is connected with one of the reciprocating screw rods 106, a driving belt 202 is sleeved on the outer surfaces of the end portions of the two reciprocating screw rods 106 in a meshed manner, and when the motor 201 is started, the driving belt can drive the reciprocating screw rods 106 connected with the driving belt to rotate, and the purpose that the two reciprocating screw rods 106 rotate simultaneously is achieved through the transmission action of the driving belt 202.

Specifically, the baffle 300 is slidably installed at the bottom of the feed box 103, the fixed plate 301 is installed on the side surface of the feed box 103, the threaded rod 302 is rotatably connected to the side surface of the baffle 300, the end portion of the threaded rod 302 penetrates through the fixed plate 301 and is in threaded connection with the threaded rod 301, when the blanking speed of materials in the feed box 103 needs to be adjusted, the threaded rod 302 can be rotated, the baffle 300 can be pushed to move by the threaded rod 302, and the blanking speed is adjusted by changing the shielding area of the baffle 300 to the blanking opening of the feed box 103.

Specifically, the both sides of bottom plate 100 upper surface have all been seted up spout 400, and the inside slidable mounting of spout 400 has slide 401, and the top and the slider 107 of slide 401 are connected, through the setting of spout 400 and slide 401, can drive L shape backup pad 104 reciprocating motion in-process at slider 107 and support it, make the weight of workbin 103 and its inside material act on slide 401, avoid reciprocating screw 106 to receive the effort and lead to its bending deformation, make this device can steady operation use.

Specifically, the screw block 500 is installed to the tip of threaded rod 302, and the antiskid line has been seted up to the surface of screw block 500, through the setting of screw block 500 and antiskid line, can make things convenient for the workman rotatory threaded rod 302 to adjust baffle 300, and can avoid the smooth condition of hand.

Specifically, the bottom cross section of workbin 103 is big-end-up's trapezium structure, through trapezium structure's setting, makes workbin 103 bottom be the inclined plane structure, and the material slides along following through the action of gravity, can make the interior material of workbin 103 can all fall and screen, avoids remaining condition.

The foregoing detailed description of the utility model has been presented in conjunction with a specific embodiment, and it is not intended that the utility model be limited to such detailed description. Several equivalent substitutions or obvious modifications will occur to those skilled in the art to which this utility model pertains without departing from the spirit of the utility model, and the same should be considered to be within the scope of this utility model as defined in the appended claims.

Claims (6)

1. A foundry sand shaker comprising a base plate (100), characterized in that:

the upper surface of the bottom plate (100) is provided with a vibrating screen box (101), the outer side of the vibrating screen box (101) is close to the bottom of the vibrating screen box, a discharging plate (102) is arranged on the upper side of the vibrating screen box (101), a material box (103) is arranged on the upper side of the vibrating screen box, the bottom of the material box (103) is provided with a material outlet, and two side surfaces of the material box (103) are connected with L-shaped supporting plates (104);

Two mounting blocks (105) are mounted on the upper surface of the bottom plate (100) and located on two sides of the vibrating screen box (101), a reciprocating screw (106) is rotatably connected between the two mounting blocks (105), a sliding block (107) is mounted on the outer surface of the reciprocating screw (106), and the bottom of the L-shaped supporting plate (104) is connected with the sliding block (107);

One side of the upper surface of the bottom plate (100) is provided with a driving mechanism (200) capable of simultaneously driving the two reciprocating screws (106) to rotate.

2. A foundry sand shaker in accordance with claim 1 wherein:

The driving mechanism (200) comprises a motor (201) arranged on the upper surface of the bottom plate (100), an output shaft of the motor (201) is connected with one of the reciprocating screw rods (106), and the outer surfaces of the end parts of the two reciprocating screw rods (106) are jointly meshed and sleeved with a transmission belt (202).

3. A foundry sand shaker in accordance with claim 2 wherein:

The bottom of workbin (103) slidable mounting has baffle (300), the side surface mounting of workbin (103) has fixed plate (301), the side surface rotation of baffle (300) is connected with threaded rod (302), just the tip of threaded rod (302) runs through fixed plate (301) and with its threaded connection.

4. A foundry sand shaker in accordance with claim 3 wherein:

Both sides of the upper surface of the bottom plate (100) are provided with sliding grooves (400), sliding plates (401) are slidably arranged in the sliding grooves (400), and the tops of the sliding plates (401) are connected with the sliding blocks (107).

5. A foundry sand shaker in accordance with claim 4 wherein:

The end part of the threaded rod (302) is provided with a screwing block (500), and the outer surface of the screwing block (500) is provided with anti-skid patterns.

6. A foundry sand shaker in accordance with claim 5 wherein:

the cross section of the bottom of the feed box (103) is of a trapezoid structure with a large upper part and a small lower part.