CN220763188U - Vibrating screen for production raw materials of lost foam - Google Patents

Abstract

The utility model relates to the technical field of lost foam production, in particular to a lost foam production raw material vibrating screen; the screening device comprises a raw material box for storing raw materials, wherein a first pipeline is connected to the raw material box, a screening mechanism is connected to the first pipeline, the screening mechanism comprises a base, a vibrating motor is installed at the top of the base, a plurality of equally distributed limit columns are fixedly connected to the periphery of the vibrating motor, buffer springs are connected to the limit columns, a first discharging pipe and a second discharging pipe are connected to a screening barrel, a fan is connected to the second discharging pipe, a discharging pipe is connected to an air outlet of the fan, and the discharging pipe is communicated with the screening box; unqualified materials are pumped out through the fan, and are screened again, qualified materials are conveyed into the screening box, so that the working efficiency is improved, and the utilization rate of raw materials is improved.

Description

Vibrating screen for production raw materials of lost foam

Technical Field

The utility model relates to the technical field of lost foam production, in particular to a lost foam production raw material vibrating screen.

Background

The lost foam casting needs to use foam particle raw materials, some foam particles are converged into a group or form a piece of piece under the influence of the environment, the raw materials are unqualified, qualified materials need to be screened out, the foam particles are very light, the foam particles are generally processed in a winnowing mode, the unqualified materials can be left in a raw material box, workers are required to clean the unqualified raw materials regularly, the working efficiency is low, a small amount of qualified materials can be mixed in the unqualified materials, and the re-screening cannot be performed, so that the raw materials are wasted.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a vibrating screen for raw materials for lost foam production.

The technical scheme of the utility model is realized as follows: the utility model provides a disappearance mould production raw materials shale shaker, including the raw materials case of depositing the raw materials, the screening case of screening, be connected with pipeline one on the raw materials case, pipeline one is connected with screening mechanism, screening mechanism includes the base, vibrating motor is installed at the top of base, vibrating motor's fixedly connected with a plurality of spacing post equally distributed all around, be connected with buffer spring on the spacing post, buffer spring's top is connected with the top and is the opening, the bottom is seal structure's sieve barrel, install the filter screen in the sieve barrel, the top of sieve barrel is connected with sealed lid, pipeline one and sealed lid looks UNICOM, be connected with discharging pipe one and discharging pipe two on the sieve barrel, discharging pipe one UNICOM is in the lateral part of sieve barrel and is located the upper portion of filter screen, discharging pipe two UNICOM is in the lateral part of sieve barrel and is located the lower part of filter screen, discharging pipe two are connected with the fan, the air outlet of fan is connected with the row material pipe, row material pipe and screening case UNICOM mutually, the below of filter screen is provided with anti-clogging structure, install ejection of compact adjusting device in the discharging pipe one.

The anti-blocking structure comprises a passing plate positioned below the filter screen, passing holes are uniformly formed in the passing plate, a plurality of limiting rings are arranged at the top of the passing plate, a plurality of steel balls are placed in the limiting rings, and a discharging pipe II is positioned below the passing plate.

The discharging adjusting device comprises a hinged door hinged to the inner side wall of the screening barrel, the hinged door is located at a connecting port of the first discharging pipe and the screening barrel, a horizontal plate is fixedly connected to one side face of the hinged door, which is close to the first discharging pipe, a long-strip hole is formed in the horizontal plate along the length direction of the horizontal plate, a pull rod is horizontally arranged on the horizontal plate in a hinged mode, the pull rod passes through the position of a discharging hole of the screening barrel and extends out of the side portion of the first discharging pipe, a limit sleeve is sleeved outside the pull rod, and one end of the limit sleeve is fixedly connected with the side portion of the first discharging pipe.

The lateral part fixedly connected with nut of spacing sleeve, threaded connection has the fixing bolt who fixes the pull rod on the nut.

The technical scheme of the utility model has the following positive effects: the utility model is communicated with the blower to suck off unqualified materials left in the raw material box, so that the working efficiency is not required to be improved manually; secondary screening can be performed through the screening mechanism, so that the utilization rate of raw materials is improved; an anti-blocking structure is arranged at the bottom of the filter screen for preventing blocking; starting a vibration motor to enable the steel ball to move and touch the filter screen, enabling qualified materials to pass through holes on the filter screen, then to exit through the through holes on the through plate, and finally to be conveyed into the screening box through the second discharging pipe and the fan; the position of the hinged door is regulated through a pull rod, and the amount of discharged materials at the position of the first discharging pipe is regulated; the fixing bolt fixes the position of the pull rod.

Drawings

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

Fig. 2 is a schematic structural view of the screening mechanism.

Fig. 3 is a top view of the screening mechanism.

Fig. 4 is a top view of an anti-clogging structure.

Detailed Description

As shown in fig. 1-4, a vibrating screen for raw material production by using lost foam comprises a raw material box 1 for raw material storage, a screening box 2 for screening, a first pipeline 3 connected with a screening mechanism, a base 4 connected with the screening mechanism, a plurality of uniformly distributed limiting columns 5 fixedly connected with the top of the base 4, a buffer spring 6 connected with the limiting columns 5, a screen barrel 7 with an opening at the top and a sealing structure at the bottom, a filter screen 8 installed in the screen barrel 7, a sealing cover 9 connected with the top of the screen barrel 7, a first pipeline 3 communicated with the sealing cover 9, a first discharge pipe 10 connected with the screen barrel 7 and a second discharge pipe 11 connected with the side of the screen barrel 7 and positioned at the upper part of the filter screen 8, a second discharge pipe 11 connected with a blower 12 connected with a discharge pipe 13 connected with the filter screen box 2, an anti-blocking structure arranged below the filter screen box 2, and a first discharge pipe 10 internally provided with an anti-blocking adjusting device;

specifically, the lost foam casting needs to use foam particle raw materials, the size of the raw materials needs to be screened, the foam particles are very light and are generally carried out in a winnowing mode, as shown in fig. 1, the foam particles are all in a raw material box 1, the side part of the raw material box 1 is provided with a screening box 2 for placing screened qualified foam particles, a screening net 26 is arranged between the raw material box 1 and the screening box 2, the qualified foam particles are pumped into the screening box 2 through a fan, and a large mass of a large piece of unqualified mass is left in the raw material box 1; unqualified raw materials need to be cleaned out, and the specific process is as follows: the fan 12 is started, unqualified materials left in the raw material box 1 enter the screening mechanism through the first pipeline 3, the materials fall onto the filter screen 8, the qualified materials mixed in the materials pass through holes of the filter screen 8 and then are discharged into the screening box 2 through the second discharge pipe 11 and then the discharge pipe 13 of the fan 12; unqualified materials are left on the filter screen 8 and discharged through the first discharging pipe 10, and the unqualified materials are secondarily screened, so that the utilization rate of raw materials is improved.

The anti-blocking structure comprises a passing plate 14 positioned below the filter screen 8, passing holes 15 are uniformly formed in the passing plate 14, a plurality of limiting rings 16 are arranged at the top of the passing plate 14, the top of each limiting ring 16 is in contact connection with the bottom of the filter screen 8, a plurality of steel balls 17 are placed in each limiting ring 16, and a second discharging pipe 11 is positioned below the passing plate 14; in order to prevent unqualified materials from blocking the holes of the filter screen 8 in the working process, the vibration motor 25 is started, the steel ball 17 starts to shake continuously, the steel ball 17 hits the filter screen 8, and qualified materials can fall from the holes of the filter screen 8 and then fall from the through holes 15 and finally go out through the second discharging pipe 11.

The discharging adjusting device comprises a hinged door 18 hinged to the inner side wall of the screen barrel 7, the hinged door 18 is positioned at a connecting port of the first discharging pipe 10 and the screen barrel 7, a horizontal plate 19 is fixedly connected to one side surface of the hinged door 18, which is close to the first discharging pipe 10, a long strip hole 20 is formed in the horizontal plate 19 along the length direction of the horizontal plate, a pull rod 21 is horizontally hinged to the long strip hole 20 of the horizontal plate 19, the pull rod 21 can move along the long strip hole 20, the pull rod 21 passes through the position of a discharging hole of the screen barrel 7 and extends out of the side part of the first discharging pipe 10, a limit sleeve 22 is sleeved outside the pull rod 21, and one end of the limit sleeve 22 is fixedly connected with the side part of the first discharging pipe 10; as shown in fig. 3, the specific working process is that the pull rod 21 is pulled, the pull rod 21 is hinged with the horizontal plate 19 to drive the hinged door 18 to move, so as to realize the adjustment of the discharge amount of the position of the first discharge pipe 10.

The side part of the limit sleeve 22 is fixedly connected with a nut 23, and a fixing bolt 24 for fixing the pull rod is connected to the nut 23 in a threaded manner; the fixing bolt 24 fixes the position of the tie rod 21.

Claims (4)

1. The utility model provides a lost foam production raw materials shale shaker, includes the raw materials case of depositing the raw materials, the screening case of screening, its characterized in that: the screening device comprises a raw material box, a first pipeline is connected to the raw material box, the first pipeline is connected to a screening mechanism, the screening mechanism comprises a base, a vibrating motor is mounted at the top of the base, a plurality of limit posts which are evenly distributed are fixedly connected to the periphery of the vibrating motor, a buffer spring is connected to the limit posts, a screen barrel with an opening at the top and a sealing structure at the bottom is connected to the top of the buffer spring, a filter screen is mounted in the screen barrel, a sealing cover is connected to the top of the screen barrel, the first pipeline is communicated with the sealing cover, a first discharging pipe and a second discharging pipe are connected to the screen barrel, the first discharging pipe is communicated to the side of the screen barrel and is located at the upper portion of the filter screen, the second discharging pipe is communicated to the side of the screen barrel and is located at the lower portion of the filter screen, a fan is connected to an air outlet of the fan, the discharge pipe is communicated with the screen box, an anti-blocking structure is arranged below the filter screen, and a discharging adjusting device is mounted in the first discharging pipe.

2. A lost foam production feedstock shaker as defined in claim 1, wherein: the anti-blocking structure comprises a passing plate positioned below the filter screen, passing holes are uniformly formed in the passing plate, a plurality of limiting rings are arranged at the top of the passing plate, a plurality of steel balls are placed in the limiting rings, and a discharging pipe II is positioned below the passing plate.

3. A lost foam production feedstock shaker as defined in claim 1, wherein: the discharging adjusting device comprises a hinged door hinged to the inner side wall of the screening barrel, the hinged door is located at a connecting port of the first discharging pipe and the screening barrel, a horizontal plate is fixedly connected to one side face of the hinged door, which is close to the first discharging pipe, a long-strip hole is formed in the horizontal plate along the length direction of the horizontal plate, a pull rod is horizontally arranged on the horizontal plate in a hinged mode, the pull rod passes through the position of a discharging hole of the screening barrel and extends out of the side portion of the first discharging pipe, a limit sleeve is sleeved outside the pull rod, and one end of the limit sleeve is fixedly connected with the side portion of the first discharging pipe.

4. A lost foam production feedstock shaker as defined in claim 3, wherein: the lateral part fixedly connected with nut of spacing sleeve, threaded connection has the fixing bolt who fixes the pull rod on the nut.