CN113019889A

CN113019889A - Sand screening equipment with drying function

Info

Publication number: CN113019889A
Application number: CN202110191496.5A
Authority: CN
Inventors: 梁艳丽
Original assignee: Nanjing Jiyu Environmental Protection Technology Co ltd
Current assignee: Nanjing Jiyu Environmental Protection Technology Co ltd
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-06-25

Abstract

The invention relates to a sand screening device with drying function, which comprises a main body, a screen plate, an oscillator, two support legs, a heating mechanism and an auxiliary mechanism, wherein the heating mechanism comprises a heating box, a heating rod and a plurality of anti-blocking assemblies, the auxiliary mechanism comprises a moving ring, a vibrating ring and a plurality of driving assemblies, the sand screening device with drying function realizes the work of heating and drying raw materials through the heating mechanism, prevents moist sand from adhering to the upper part of the screen plate or the inner wall of the main body, thereby preventing the sand screening work from being influenced and avoiding the raw material from being wasted, and leads a feed pipe to generate the phenomenon of vibration through the auxiliary mechanism, thereby being capable of leading the moist raw materials adhered to the feed pipe to fall off and avoiding the raw material from adhering to the inner wall to cause the waste of the raw materials, thereby improving the environmental protection performance of the device, also being capable of accelerating the speed of the raw materials passing through the feed pipe and reducing the probability of the raw, the normal operation of the charging operation is prevented from being influenced, so that the charging efficiency is improved.

Description

Sand screening equipment with drying function

Technical Field

The invention relates to the field of engineering machinery, in particular to sand screening equipment with a drying function.

Background

The sand screening machine is also called dry land sand screening boat and sand-stone separator, and is suitable for use in river, reservoir and coal yard. The ship consists of a ship body, a frame, a speed reducer, a conveying belt, a rotary screen and an engine or a motor. The machine has simple structure, is economical and applicable and is easy to operate. It is divided into drum type sand screening machine, water washing drum type sand screening machine, vibration screen type sand screening machine, etc.

Present sieve husky equipment is screening the during operation to the sand raw materials, if external environment is comparatively moist leads to the raw materials to be in moist state, make easy adhesion on sieve or inner wall when moist sand enters the main part, influence the work of sieving the sand, thereby cause the waste of raw materials, the feature of environmental protection of present sieve husky equipment has been reduced, moreover, present sieve husky equipment is when adding the raw materials toward the main part, easy jam is in the inlet tube when adding too much raw materials, thereby influence the normal clear of reinforced work, thereby influence reinforced efficiency, the reliability of present sieve husky equipment has been reduced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the sand screening equipment with the drying function is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a sand screening device with a drying function comprises a main body, a sieve plate, an oscillator and two support legs, wherein the two support legs are arranged on two sides below the main body respectively;

the heating mechanism comprises a heating box, a heating rod and a plurality of anti-blocking assemblies, the heating box is cylindrical, the heating box is vertically arranged at the center above the sieve plate, the heating rod is vertically arranged inside the heating box, the heating rod is electrically connected with the PLC, the anti-blocking assemblies are uniformly arranged on the periphery of the heating box in the circumferential direction, and the anti-blocking assemblies are connected with the auxiliary mechanism;

the anti-blocking component comprises a power box, a power pipe, a power plate, a rotating plate, a first bearing, a lead screw, a ball screw bearing, a hinge rod, a transmission unit and two rotating units, one side of the power box is connected with the periphery of the heating box, a plurality of round holes are arranged above the main body, the number of the round holes is equal to that of the power pipe, the round holes correspond to the power pipe one by one, one end of the power pipe is vertically arranged above the power box, the other end of the power pipe penetrates through the round holes, the periphery of the power pipe is connected with the inner wall of the round holes, the power plate is arranged inside the power pipe, the periphery of the power plate is connected with the inner wall of the power pipe in a sealing and sliding manner, one end of the power rod is vertically arranged above the power plate, the two ends of the hinge rod are respectively connected with the other end of the power rod and the outer ring of the ball screw bearing, the first bearing is, one end of the screw rod is connected with an inner ring of the first bearing, the other end of the screw rod is connected with the transmission unit, the transmission unit is connected with one of the rotation units, the ball screw bearing is sleeved on the screw rod, a screw thread matched with the screw rod is arranged at the joint of the ball screw bearing and the screw rod, one end of the screw rod close to the first bearing is connected with the auxiliary mechanism, the two rotation units are respectively arranged at the top in the main body and above the sieve plate, two sides of the rotation plate are respectively connected with the two rotation units, strip-shaped openings are uniformly arranged on the rotation plate, and sawteeth are uniformly fixed on the inner walls of two sides of each strip-shaped opening;

the rotating unit comprises second bearings and rotating shafts, the two second bearings are respectively connected with the top in the main body and the upper part of the sieve plate, one end of each rotating shaft is connected with the inner ring of the corresponding second bearing, the other end of each rotating shaft is connected with the corresponding rotating plate, and one rotating shaft is connected with the transmission unit;

the transmission unit comprises a first gear, a second gear, a transmission shaft, third bearings, a transmission bevel gear and a driven bevel gear, wherein small holes are formed in the two sides of the main body, the two third bearings are respectively arranged on the inner walls of the two sides of the main body, the driven bevel gear is connected with one rotating shaft, the transmission bevel gear is connected with one end of the transmission shaft, the transmission bevel gear is meshed with the driven bevel gear, the other end of the transmission shaft penetrates through the small holes to be connected with the second gear, the first gear is connected with one end, far away from the first bearing, of the screw rod, the first gear is meshed with the second gear, and the transmission shaft is connected with an inner ring of the third bearing;

the auxiliary mechanism comprises a moving ring, a vibrating ring and a plurality of driving assemblies, wherein the moving ring and the vibrating ring are coaxially arranged with the feeding pipe, the moving ring and the vibrating ring are horizontally arranged above the feeding pipe, the vibrating ring is connected with the lower part of the moving ring, the number of the driving assemblies is equal to that of the screw rods, the driving assemblies correspond to the screw rods one to one, and the driving assemblies are connected with the lower part of the moving ring;

the drive assembly includes bull stick, eccentric wheel, connection ball and connecting rod, the both ends of bull stick are the one end and the eccentric wheel connection that are close to first bearing of lead screw respectively, the lead screw is with the coaxial setting of bull stick, be equipped with the ring channel in the periphery of eccentric wheel, the centre of sphere of connecting the ball sets up the inside at the ring channel, the inner wall of connecting ball and ring channel supports and leans on, the both ends of connecting rod are connected with the below of shifting ring and connection ball respectively.

Preferably, in order to prevent the lead screw from being corroded, the lead screw is coated with an anti-corrosion zinc coating.

Preferably, in order to reduce the frictional force, the inner wall of the annular groove is coated with grease.

Preferably, in order to increase the rotation speed of the transmission shaft, the number of teeth of the first gear is greater than the number of teeth of the second gear.

As preferred, for the transmission heat, prevent that block assembly still includes a plurality of heat conduction fins, the even and interior wall connection of keeping away from one side of heating the box of power box in one side of heat conduction fins, circumference evenly is equipped with the perforation on the periphery of heating the box, fenestrate quantity equals with the quantity of heat conduction fins, perforation and heat conduction fins one-to-one, the opposite side of heat conduction fins passes the perforation setting in the inside of heating the box.

Preferably, in order to prevent that the raw materials from piling up on the heating box, the heating mechanism still includes the fixed block, the fixed block sets up the top at the heating box, the shape of fixed block is the taper shape, the bottom surface of fixed block is connected with the top of heating box.

Preferably, in order to improve the heat conduction performance, the joint of the heating box and the power box is coated with heat conduction silica gel.

Preferably, the link and the connecting ball are integrally formed to improve stability when the link and the connecting ball are connected.

Preferably, in order to improve the sealing performance, the inner wall of the power tube is coated with sealing grease.

Preferably, in order to make the ball screw bearing move smoothly, the abutting part of the ball screw bearing and the main body is a mirror surface.

The sand screening equipment with the drying function has the advantages that the sand screening equipment with the drying function realizes the work of heating and drying the raw materials through the heating mechanism, sand can conveniently pass through the screen plate, wet sand is prevented from being adhered to the upper part of the screen plate or the inner wall of the main body, the sand screening work is prevented from being influenced, the waste of the raw materials is avoided, and the reliability of the equipment is improved. Avoid the raw materials adhesion to cause the waste of raw materials on the inner wall, thereby the feature of environmental protection of equipment has been improved, also can accelerate the speed that the raw materials passes through the inlet pipe, the probability of raw materials jam in the inlet pipe has been reduced, prevent to influence the normal clear of reinforced work, thereby reinforced work efficiency has been improved, the practicality of equipment has been improved, compare with current complementary unit, this complementary unit and heating mechanism link gear as an organic whole, the practicality is higher, and the use of electric energy has been reduced, the feature of environmental protection is higher.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a sand screening apparatus with drying function according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic structural diagram of a heating mechanism of the sand screening apparatus with drying function of the present invention;

FIG. 4 is a schematic structural diagram of an auxiliary mechanism of the sand screening device with drying function of the present invention;

in the figure: 1. the vibration plate comprises a support leg, 2 parts of a main body, 3 parts of a sieve plate, 4 parts of an oscillator, 5 parts of a heating pipe, 6 parts of a heating box, 7 parts of a heat conduction fin, 8 parts of a power box, 9 parts of a power plate, 10 parts of a power pipe, 11 parts of a power rod, 12 parts of a hinge rod, 13 parts of a ball screw bearing, 14 parts of a screw rod, 15 parts of a first gear, 16 parts of a second gear, 17 parts of a transmission shaft, 18 parts of a transmission bevel gear, 19 parts of a driven bevel gear, 20 parts of a rotating shaft, 21 parts of a rotating plate, 22 parts of a rotating rod, 23 parts of an eccentric wheel, 24 parts of a connecting ball, 25 parts of a connecting rod.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, a sand sieving device with a drying function comprises a main body 2, a sieve plate 3, an oscillator 4 and two support legs 1, wherein the two support legs 1 are respectively arranged at two sides below the main body 2, the sieve plate 3 is horizontally arranged inside the main body 2, the oscillator 4 is arranged below the sieve plate 3, a PLC is arranged inside the main body 2, the oscillator 4 is electrically connected with the PLC, a feeding pipe is arranged above the main body 2, a discharging pipe is arranged at one side of the main body 2, the feeding pipe and the discharging pipe are both communicated with the inside of the main body 2, and the sand sieving device also comprises a heating mechanism and an auxiliary mechanism, the heating mechanism is arranged inside the main body 2, the auxiliary mechanism is arranged above the main body 2, and the auxiliary mechanism is connected with the heating mechanism;

PLCs, i.e., programmable logic controllers, are generally used for the processing of data and the receipt and output of instructions for central control.

This sieve husky equipment with stoving function passes through heating mechanism, the work of drying to the raw materials heating has been realized, the sand of being convenient for passes through sieve 3, avoid moist sand adhesion on sieve 3 top or 2 inner walls of main part, thereby prevent to influence sieve husky work, avoid causing the waste of raw materials, the reliability of equipment has been improved, through complementary unit, make the phenomenon of vibrations appear in the inlet pipe, thereby can shake off the moist raw materials of adhesion on the inlet pipe, avoid the raw materials adhesion on the inner wall and cause the waste of raw materials, thereby the feature of environmental protection of equipment has been improved, also can accelerate the speed that the raw materials passes through the inlet pipe, the probability of raw materials jam in the inlet pipe has been reduced, prevent to influence the normal clear of reinforced work, thereby reinforced work efficiency has been improved, the practicality of equipment has been improved.

As shown in fig. 1-3, the heating mechanism includes a heating box 6, a heating pipe 5 and a plurality of anti-blocking assemblies, the heating box 6 is cylindrical, the heating box 6 is vertically arranged at the center above the sieve plate 3, the heating pipe 5 is vertically arranged inside the heating box 6, the heating pipe 5 is electrically connected with the PLC, the anti-blocking assemblies are uniformly arranged on the periphery of the heating box 6 in the circumferential direction, and the anti-blocking assemblies are connected with the auxiliary mechanism;

the anti-blocking component comprises a power box 8, a power tube 10, a power plate 9, a power rod 11, a rotating plate 21, a first bearing, a screw rod 14, a ball screw bearing 13, a hinged rod 12, a transmission unit and two rotating units, wherein one side of the power box 8 is connected with the periphery of a heating box 6, a plurality of round holes are arranged above the main body 2, the number of the round holes is equal to the number of the power tube 10, the round holes correspond to the power tube 10 one by one, one end of the power tube 10 is vertically arranged above the power box 8, the other end of the power tube 10 penetrates through the round holes, the periphery of the power tube 10 is connected with the inner wall of the round holes, the power plate 9 is arranged inside the power tube 10, the periphery of the power plate 9 is connected with the inner wall of the power tube 10 in a sealing and sliding manner, one end of the power rod 11 is vertically arranged above the power plate 9, two ends of the hinged rod 12 are respectively connected with the other end of the power rod 11 and the outer, the first bearing is arranged above the main body 2, one end of the screw rod 14 is connected with an inner ring of the first bearing, the other end of the screw rod 14 is connected with the transmission unit, the transmission unit is connected with one of the rotation units, the ball screw bearing 13 is sleeved on the screw rod 14, a connection part of the ball screw bearing 13 and the screw rod 14 is provided with a thread matched with the screw rod 14, one end of the screw rod 14 close to the first bearing is connected with the auxiliary mechanism, the two rotation units are respectively arranged at the top in the main body 2 and above the sieve plate 3, two sides of the rotation plate 21 are respectively connected with the two rotation units, the rotation plate 21 is uniformly provided with a strip-shaped opening, and sawteeth are uniformly fixed on inner walls at two sides of the strip-shaped opening;

the rotating unit comprises second bearings and rotating shafts 20, the two second bearings are respectively connected with the top in the main body 2 and the upper part of the sieve plate 3, one end of each rotating shaft 20 is connected with an inner ring of the corresponding second bearing, the other end of each rotating shaft 20 is connected with the corresponding rotating plate 21, and one rotating shaft 20 is connected with the transmission unit;

the transmission unit comprises a first gear 15, a second gear 16, a transmission shaft 17, third bearings, a transmission bevel gear 18 and a driven bevel gear 19, wherein small holes are formed in two sides of the main body 2, the two third bearings are respectively arranged on the inner walls of the two sides of the main body 2, the driven bevel gear 19 is connected with one rotating shaft 20, the transmission bevel gear 18 is connected with one end of the transmission shaft 17, the transmission bevel gear 18 is meshed with the driven bevel gear 19, the other end of the transmission shaft 17 penetrates through the small holes to be connected with the second gear 16, the first gear 15 is connected with one end, far away from the first bearing, of the screw rod 14, the first gear 15 is meshed with the second gear 16, and the transmission shaft 17 is connected with the inner ring of the third bearing;

when the sand screening work is carried out, a user puts sand raw materials into the main body 2 through the feeding pipe, the sieve plate 3 is driven to vibrate through the vibration of the oscillator 4, so that the raw materials can fall below the main body 2 through the sieve plate 3 conveniently, meanwhile, the heating pipe 5 is controlled to be started, the temperature of the heating box 6 is increased, the heat on the heating box 6 is transferred to the raw materials in the main body 2, the function of heating and drying the raw materials is realized, the wet sand is dried, the sand can pass through the sieve plate 3 conveniently, the wet sand is prevented from being adhered to the upper part of the sieve plate 3 or the inner wall of the main body 2, the sand screening work is prevented from being influenced, the waste of the raw materials is avoided, the reliability of the equipment is improved, when the temperature of the heating box 6 is increased, the temperature in the power box 8 is also increased, and gas with a larger expansion coefficient is actually arranged in, so that the gas is heated and expanded, thereby driving the power plate 9 to move upwards, driving the power rod 11 to move upwards, thereby driving the ball screw bearing 13 to move towards the direction close to the first bearing through the hinged rod 12, causing the screw 14 to rotate, driving the first gear 15 to rotate, causing the second gear 16 to rotate through the engagement of the first gear 15 and the second gear 16, thereby driving the transmission shaft 17 to rotate, causing the transmission bevel gear 18 to rotate, causing the rotating shaft 20 to rotate through the engagement of the transmission bevel gear 18 and the driven bevel gear 19, thereby driving the rotating plate 21 to rotate, thereby stirring the raw materials, fully heating the raw materials inside the main body 2, thereby improving the drying effect, when part of the raw materials pass through the strip-shaped openings, crushing the agglomerated raw materials through the action of the saw teeth, thereby reducing the probability of the agglomeration phenomenon, preventing the agglomerated raw materials from failing to pass through the sieve plate 3, thereby avoiding influencing the sand screening work and improving the reliability of the equipment.

As shown in fig. 4, the auxiliary mechanism includes a moving ring 26, a vibrating ring 27 and a plurality of driving assemblies, the moving ring 26 and the vibrating ring 27 are both coaxially arranged with the feeding pipe, the moving ring 26 and the vibrating ring 27 are both horizontally arranged above the feeding pipe, the vibrating ring 27 is connected with the lower part of the moving ring 26, the number of the driving assemblies is equal to that of the lead screws 14, the driving assemblies are in one-to-one correspondence with the lead screws 14, and the driving assemblies are connected with the lower part of the moving ring 26;

the drive assembly includes bull stick 22, eccentric wheel 23, connects ball 24 and connecting rod 25, the both ends of bull stick 22 are connected with eccentric wheel 23 respectively the one end that is close to first bearing of lead screw 14, lead screw 14 and the coaxial setting of bull stick 22, be equipped with the ring channel on eccentric wheel 23's the periphery, the centre of sphere of connecting ball 24 sets up the inside at the ring channel, the inner wall of connecting ball 24 and ring channel supports and leans on, the both ends of connecting rod 25 respectively with the below of shift ring 26 with be connected ball 24 and be connected.

When the lead screw 14 rotates, drive bull stick 22 and rotate, make eccentric wheel 23 rotate, thereby drive shift ring 26 through connecting ball 24 and connecting rod 25 and reciprocate, thereby make the strike inlet pipe that vibrations ring 27 is interrupted, make the phenomenon of vibrations appear in the inlet pipe, thereby can shake off the wet raw materials of adhesion on the inlet pipe, avoid the raw materials adhesion on the inner wall and cause the waste of raw materials, thereby the feature of environmental protection of equipment has been improved, also can accelerate the speed that the raw materials passes through the inlet pipe, the probability of raw materials jam in the inlet pipe has been reduced, prevent to influence the normal clear of reinforced work, thereby reinforced work efficiency has been improved, the practicality of equipment has been improved.

Preferably, in order to prevent the lead screw 14 from being corroded, the lead screw 14 is coated with an anti-corrosion zinc coating.

Preferably, in order to reduce the friction force, the inner wall of the annular groove is coated with grease, so that the friction force of the connecting ball 24 in the annular groove is reduced, the eccentric wheel 23 is prevented from being jammed between the connecting ball 24 and the eccentric wheel 23 when the eccentric wheel 23 rotates, and the smoothness of the eccentric wheel 23 during rotation is improved.

Preferably, in order to increase the rotation speed of the transmission shaft 17, the number of teeth of the first gear 15 is greater than the number of teeth of the second gear 16, so that when the first gear 15 rotates once, the second gear 16 can rotate for multiple turns, thereby increasing the rotation speed of the transmission shaft 17 and increasing the rotation speed of the rotating plate 21.

As preferred, for the heat transfer, prevent that block assembly still includes a plurality of heat conduction fins 7, the even inner wall connection of keeping away from one side of heating box 6 with power box 8 in one side of heat conduction fins 7, circumference evenly is equipped with the perforation on the periphery of heating box 6, fenestrate quantity equals with heat conduction fins 7's quantity, perforation and heat conduction fins 7 one-to-one, heat conduction fins 7's opposite side is passed the perforation and is set up the inside at heating box 6.

Through setting up heat conduction fin 7, be convenient for heat transfer to the inside of power box 8 in the heating box 6 to promote the heat conduction effect, makeed the inside gas of power box 8 to be heated more easily.

Preferably, in order to prevent the raw materials from being accumulated on the heating box 6, the heating mechanism further comprises a fixing block, the fixing block is arranged above the heating box 6, the fixing block is conical, and the bottom surface of the fixing block is connected with the upper side of the heating box 6.

Through setting up conical fixed block for get into 2 inside raw materials of main part and can not pile up on heating box 6, prevent to cause the waste of raw materials, improved the feature of environmental protection of equipment.

Preferably, in order to improve the heat conduction performance, the joint of the heating box 6 and the power box 8 is coated with heat-conducting silica gel.

Preferably, the connecting rod 25 and the connecting ball 24 are integrally formed to improve stability when the connecting rod 25 and the connecting ball 24 are connected.

Preferably, in order to improve the sealing performance, the inner wall of the power pipe 10 is coated with sealing grease, so that the gap between the power plate 9 and the inner wall of the power pipe 10 is reduced, the sealing performance is improved, and the phenomenon of air leakage when the power plate 9 moves in the power pipe 10 is prevented.

Preferably, in order to make the ball screw bearing 13 move smoothly, the abutting part of the ball screw bearing 13 and the main body 2 is a mirror surface, so that the friction force between the ball screw bearing 13 and the main body 2 is reduced, the abrasion of the outer ring of the ball screw bearing 13 is reduced, and the smoothness of the ball screw bearing 13 during moving is improved.

When the sand screening work is carried out, a user puts sand raw materials into the main body 2 through the feeding pipe, the sieve plate 3 is driven to vibrate through the vibration of the oscillator 4, so that the raw materials can fall below the main body 2 through the sieve plate 3 conveniently, meanwhile, the heating pipe 5 is controlled to be started, the temperature of the heating box 6 is increased, the heat on the heating box 6 is transferred to the raw materials in the main body 2, the function of heating and drying the raw materials is realized, the wet sand is dried, the sand can pass through the sieve plate 3 conveniently, the wet sand is prevented from being adhered to the upper part of the sieve plate 3 or the inner wall of the main body 2, the sand screening work is prevented from being influenced, the waste of the raw materials is avoided, the reliability of the equipment is improved, when the temperature of the heating box 6 is increased, the temperature in the power box 8 is also increased, and gas with a larger expansion coefficient is actually arranged in, so that the gas is heated and expanded, thereby driving the power plate 9 to move upwards, driving the power rod 11 to move upwards, thereby driving the ball screw bearing 13 to move towards the direction close to the first bearing through the hinged rod 12, causing the screw 14 to rotate, driving the first gear 15 to rotate, causing the second gear 16 to rotate through the engagement of the first gear 15 and the second gear 16, thereby driving the transmission shaft 17 to rotate, causing the transmission bevel gear 18 to rotate, causing the rotating shaft 20 to rotate through the engagement of the transmission bevel gear 18 and the driven bevel gear 19, thereby driving the rotating plate 21 to rotate, thereby stirring the raw materials, fully heating the raw materials inside the main body 2, thereby improving the drying effect, when part of the raw materials pass through the strip-shaped openings, crushing the agglomerated raw materials through the action of the saw teeth, thereby reducing the probability of the agglomeration phenomenon, preventing the agglomerated raw materials from failing to pass through the sieve plate 3, thereby avoiding influencing the sand screening work and improving the reliability of the equipment. When the lead screw 14 rotates, drive bull stick 22 and rotate, make eccentric wheel 23 rotate, thereby drive shift ring 26 through connecting ball 24 and connecting rod 25 and reciprocate, thereby make the strike inlet pipe that vibrations ring 27 is interrupted, make the phenomenon of vibrations appear in the inlet pipe, thereby can shake off the wet raw materials of adhesion on the inlet pipe, avoid the raw materials adhesion on the inner wall and cause the waste of raw materials, thereby the feature of environmental protection of equipment has been improved, also can accelerate the speed that the raw materials passes through the inlet pipe, the probability of raw materials jam in the inlet pipe has been reduced, prevent to influence the normal clear of reinforced work, thereby reinforced work efficiency has been improved, the practicality of equipment has been improved.

Compared with the prior art, the sand screening equipment with the drying function realizes the work of heating and drying the raw material through the heating mechanism, the sand is convenient to pass through the sieve plate 3, the wet sand is prevented from being adhered to the upper part of the sieve plate 3 or the inner wall of the main body 2, the sand screening work is prevented from being influenced, the waste of the raw material is avoided, and the reliability of the equipment is improved, compared with the prior heating mechanism, the heating mechanism can also drive the rotating plate 21 to rotate, the raw material is stirred, the raw material in the main body 2 is fully heated, the drying effect is improved, the caked raw material can be crushed through the saw teeth, the probability of the caked phenomenon is reduced, the caked raw material can not pass through the sieve plate 3, the influence on the sand screening work is avoided, the reliability of the equipment is improved, and the feeding pipe is vibrated through the auxiliary mechanism, thereby can shake off the moist raw materials of adhesion on the inlet pipe, avoid the raw materials adhesion on the inner wall and cause the waste of raw materials, thereby the feature of environmental protection of equipment has been improved, also can accelerate the speed that the raw materials passes through the inlet pipe, the probability of raw materials jam in the inlet pipe has been reduced, prevent to influence the normal clear of reinforced work, thereby reinforced work efficiency has been improved, the practicality of equipment has been improved, compare with current complementary unit, this complementary unit and heating mechanism link gear as an organic whole, the practicality is higher, and the use of electric energy has been reduced, the feature of environmental protection is higher.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A sand screening device with a drying function comprises a main body (2), a sieve plate (3), an oscillator (4) and two support legs (1), wherein the two support legs (1) are respectively arranged at two sides below the main body (2), the sieve plate (3) is horizontally arranged in the main body (2), the oscillator (4) is arranged below the sieve plate (3), the interior of the main body (2) is provided with a PLC, the oscillator (4) is electrically connected with the PLC, a feeding pipe is arranged above the main body (2), a discharging pipe is arranged on one side of the main body (2), the feeding pipe and the discharging pipe are communicated with the inside of the main body (2), it is characterized by also comprising a heating mechanism and an auxiliary mechanism, wherein the heating mechanism is arranged in the main body (2), the auxiliary mechanism is arranged above the main body (2) and is connected with the heating mechanism;

the heating mechanism comprises a heating box (6), a heating pipe (5) and a plurality of anti-blocking assemblies, the heating box (6) is cylindrical, the heating box (6) is vertically arranged at the center above the sieve plate (3), the heating pipe (5) is vertically arranged inside the heating box (6), the heating pipe (5) is electrically connected with the PLC, the anti-blocking assemblies are uniformly arranged on the periphery of the heating box (6) in the circumferential direction, and the anti-blocking assemblies are connected with the auxiliary mechanism;

the anti-blocking component comprises a power box (8), a power pipe (10), a power plate (9), a power rod (11), a rotating plate (21), a first bearing, a lead screw (14), a ball screw bearing (13), a hinge rod (12), a transmission unit and two rotating units, wherein one side of the power box (8) is connected with the periphery of a heating box (6), a plurality of round holes are arranged above a main body (2), the number of the round holes is equal to that of the power pipe (10), the round holes correspond to the power pipe (10) one by one, one end of the power pipe (10) is vertically arranged above the power box (8), the other end of the power pipe (10) penetrates through the round holes, the periphery of the power pipe (10) is connected with the inner wall of the round holes, the power plate (9) is arranged inside the power pipe (10), the periphery of the power plate (9) is connected with the inner wall of the power pipe (10) in a sealing and sliding manner, the vertical setting of one end of power rod (11) is in the top of power plate (9), the both ends of articulated rod (12) are connected with the other end of power rod (11) and the outer lane of ball bearing (13) respectively, first bearing sets up the top in main part (2), the one end of lead screw (14) is connected with the inner circle of first bearing, the other end and the transmission unit of lead screw (14) are connected, the transmission unit is connected with one of them rotation unit, ball bearing (13) cover is established on lead screw (14), the junction of ball bearing (13) and lead screw (14) is equipped with the screw thread that matches with lead screw (14), the one end that is close to first bearing of lead screw (14) is connected with complementary unit, and two rotation units set up the top in main part (2) and the top of sieve (3) respectively, the both sides of commentaries on classics board (21) are connected with two rotation units respectively, the rotating plate (21) is uniformly provided with strip-shaped openings, and sawteeth are uniformly fixed on the inner walls of the two sides of each strip-shaped opening;

the rotating unit comprises second bearings and rotating shafts (20), the two second bearings are respectively connected with the top in the main body (2) and the upper part of the sieve plate (3), one end of each rotating shaft (20) is connected with an inner ring of the corresponding second bearing, the other end of each rotating shaft (20) is connected with the corresponding rotating plate (21), and one rotating shaft (20) is connected with the transmission unit;

the transmission unit comprises a first gear (15), a second gear (16), a transmission shaft (17), a third bearing, a transmission bevel gear (18) and a driven bevel gear (19), both sides of the main body (2) are provided with small holes, two third bearings are respectively arranged on the inner walls of both sides of the main body (2), the driven bevel gear (19) is connected with one rotating shaft (20), the transmission bevel gear (18) is connected with one end of the transmission shaft (17), the transmission bevel gear (18) is meshed with the driven bevel gear (19), the other end of the transmission shaft (17) passes through the small hole to be connected with the second gear (16), the first gear (15) is connected with one end of the screw rod (14) far away from the first bearing, the first gear (15) is meshed with the second gear (16), and the transmission shaft (17) is connected with an inner ring of the third bearing;

the auxiliary mechanism comprises a moving ring (26), a vibrating ring (27) and a plurality of driving assemblies, wherein the moving ring (26) and the vibrating ring (27) are coaxially arranged with the feeding pipe, the moving ring (26) and the vibrating ring (27) are horizontally arranged above the feeding pipe, the vibrating ring (27) is connected with the lower part of the moving ring (26), the number of the driving assemblies is equal to that of the screw rods (14), the driving assemblies correspond to the screw rods (14) one to one, and the driving assemblies are connected with the lower part of the moving ring (26);

the drive assembly includes bull stick (22), eccentric wheel (23), connects ball (24) and connecting rod (25), the both ends of bull stick (22) are the one end and eccentric wheel (23) of being close to first bearing of lead screw (14) respectively and are connected, lead screw (14) and bull stick (22) coaxial setting, be equipped with the ring channel on the periphery of eccentric wheel (23), the centre of sphere of connecting ball (24) sets up the inside at the ring channel, the inner wall of connecting ball (24) and ring channel supports and leans on, the both ends of connecting rod (25) are connected with the below of shift ring (26) and connection ball (24) respectively.

2. The sand screening apparatus with drying function as claimed in claim 1, wherein said screw mandrel (14) is coated with an anti-corrosion zinc coating.

3. The sand screening apparatus having a drying function as claimed in claim 1, wherein an inner wall of said annular groove is coated with grease.

4. The sand screening apparatus with drying function as claimed in claim 1, wherein the number of teeth of the first gear (15) is greater than the number of teeth of the second gear (16).

5. The sand screening device with the drying function as claimed in claim 1, wherein the blocking prevention assembly further comprises a plurality of heat conducting fins (7), one side of each heat conducting fin (7) is uniformly connected with the inner wall of one side, far away from the heating box (6), of the power box (8), perforations are uniformly arranged on the periphery of the heating box (6) in the circumferential direction, the number of the perforations is equal to that of the heat conducting fins (7), the perforations correspond to the heat conducting fins (7) in a one-to-one mode, and the other side of each heat conducting fin (7) penetrates through the perforations to be arranged inside the heating box (6).

6. The sand screening apparatus with drying function as claimed in claim 1, wherein said heating mechanism further comprises a fixing block, said fixing block is disposed above said heating box (6), said fixing block is conical in shape, and the bottom surface of said fixing block is connected with the upper side of said heating box (6).

7. The sand screening device with drying function as claimed in claim 1, wherein the joint of the heating box (6) and the power box (8) is coated with heat-conducting silica gel.

8. The sand screening apparatus with drying function as claimed in claim 1, wherein the connecting rod (25) and the connecting ball (24) are of an integrally formed structure.

9. The sand screening apparatus with drying function as claimed in claim 1, wherein the inner wall of said power tube (10) is coated with sealing grease.

10. The sand screening apparatus with drying function as claimed in claim 1, wherein the abutting place of the ball screw bearing (13) with the main body (2) is a mirror surface.