CN210474613U

CN210474613U - Gravel vibrating screen

Info

Publication number: CN210474613U
Application number: CN201921161988.4U
Authority: CN
Inventors: 施俊
Original assignee: Jinhua Quankou Sandstone Co Ltd
Current assignee: Jinhua Quankou Sandstone Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-05-08
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a grit shale shaker aims at solving at the in-process of vibration, and the grit directly drops on the eccentric wheel, causes certain damage to the eccentric wheel easily, leads to cost of maintenance's the problem of improvement. The key points of the technical scheme are as follows: the utility model provides a grit shale shaker, including the sieve case, drive the drive assembly of sieve case vibration and be used for supporting sieve case shock attenuation frame that is absorbing simultaneously, the sieve case includes screen cloth and casing, the below of screen cloth is equipped with the baffle, the edge of baffle is equipped with a plurality of connecting blocks, the curb plate is equipped with a plurality of connecting holes of mutually supporting with the connecting block towards one side of baffle, the one end that the baffle was kept away from to the connecting block is equipped with the through-hole and the connecting rod of mutually supporting with the through-hole, the connecting rod passes through bolted connection with the curb plate, the eccentric wheel is located between. The utility model discloses a set up the baffle between screen cloth and eccentric wheel, prevent that the grit from directly dropping and causing certain damage to the eccentric wheel on the eccentric wheel, improve the life of eccentric wheel, reduce cost of maintenance.

Description

Gravel vibrating screen

Technical Field

The utility model relates to a shale shaker, more specifically say, it relates to a grit shale shaker.

Background

The vibrating screen operates by utilizing reciprocating rotary type vibration generated by vibrator excitation. The upper rotary heavy hammer of the vibrator makes the screen surface generate plane rotary vibration, the lower rotary heavy hammer makes the screen surface generate conical surface rotary vibration, and the combined effect makes the screen surface generate re-rotary vibration. The vibration locus is a complex space curve. The curve is projected as a circle in the horizontal plane and as an ellipse in the vertical plane. The amplitude can be changed by adjusting the exciting force of the upper and lower rotary weights. And the curve shape of the motion trail of the screen surface can be changed and the motion trail of the materials on the screen surface can be changed by adjusting the space phase angle of the upper and lower heavy hammers.

The shale shaker includes sieve case, the drive assembly of drive sieve case vibration, is used for supporting sieve case shock attenuation frame of shock attenuation simultaneously, and the sieve case includes screen cloth and casing, and the screen cloth is by many screen wires subassemblies. The screen wire is used as an important part of the vibrating screen, needs to bear the weight of sand and vibrate along with the screen box, and needs to be made of a material with certain strength. The sieve line among the prior art all is fixed in the connecting plate, and several sieve lines need to be changed the monoblock screen cloth after damaging, change difficulty and resource-wasting.

In order to solve the problems, the publication number CN208912503U provides a technical scheme, and the vibrating screen comprises a screen box, a driving assembly for driving the screen box to vibrate, and a damping frame for supporting the screen box and damping simultaneously, wherein the screen box comprises a screen cloth and a shell, the shell comprises two side plates and connecting plates for connecting two ends of the two side plates, the screen cloth consists of a plurality of screen wires, two ends of each screen wire are respectively connected with the two connecting plates, the connecting plates are provided with an installation assembly for installing the screen wires and a disassembly assembly for disassembling the screen wires, the connecting plates are provided with clamping grooves and through grooves, the installation assembly comprises clamping blocks arranged on the screen wires and matched with the clamping grooves, and abutting springs connected to one ends of the clamping blocks, and the through grooves are communicated with the clamping grooves, and one ends of the through grooves, far away from the clamping grooves; the sieve line that will be fixed in originally on the connecting plate is changed into and is utilized installation component and dismantlement subassembly to install and dismantle the sieve line, realizes dismantled and assembled of sieve line, and installation component and dismantlement subassembly correspond with the extreme point of each sieve line, when certain sieve line damage, can change alone.

But above-mentioned technical scheme has a problem, and at the in-process of vibration, the grit directly drops on the eccentric wheel, causes certain damage to the eccentric wheel easily, leads to cost of maintenance's improvement.

There is therefore also a need to propose a new solution to this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a grit shale shaker through set up the baffle between screen cloth and eccentric wheel, prevents that the grit from directly dropping and causes certain damage to the eccentric wheel on the eccentric wheel, improves the life of eccentric wheel, reduces cost of maintenance.

The above technical purpose of the present invention can be achieved by the following technical solutions: a gravel vibrating screen comprises a screen box, a driving assembly for driving the screen box to vibrate and a damping frame for supporting the screen box to damp simultaneously, wherein the screen box comprises a screen mesh and a shell, the shell comprises two side plates and connecting plates for connecting the two ends of the two side plates, the screen mesh consists of a plurality of screen wires, the two ends of each screen wire are respectively connected with the two connecting plates, a baffle is arranged below the screen mesh, a plurality of connecting blocks are arranged at the edge of the baffle, one side of the side plate, facing the baffle, is provided with a plurality of connecting holes matched with the connecting blocks, one end, far away from the baffle, of each connecting block is provided with a through hole and a connecting rod matched with the through hole, the connecting rods are connected with the side plates through bolts, the driving assembly comprises a placing plate arranged on the ground, two motors fixed on the placing plate, two rotating shafts, the eccentric wheel is positioned between the two side plates and below the baffle.

Through adopting above-mentioned technical scheme, utilize the connecting block to be connected baffle and curb plate, prevent that the grit from dropping on the eccentric wheel, the grit of avoiding dropping causes the damage to the eccentric wheel and leads to cost of maintenance's improvement, passes through-hole and curb plate bolted connection on the connecting block through the connecting rod simultaneously, the fastness of being connected between further improvement baffle and the curb plate.

The utility model discloses further set up to: the placing plate and the motor are located on one side of the screen box, one ends of the two rotating shafts are connected with the output shaft of the motor, the other ends of the two rotating shafts penetrate through the two side plates to reach the other side of the screen box, and the rotating shafts are movably connected with the side plates.

Through adopting above-mentioned technical scheme, behind the starter motor, the motor drives the axis of rotation of being connected rather than the output and rotates, and the axis of rotation drives rather than the eccentric wheel rotation of being connected, and the eccentric wheel drives the curb plate motion to this effect that realizes the shale shaker case.

The utility model discloses further set up to: the shock absorption frame comprises a support connected with the ground, a fixing block connected with the side plate, and a shock absorption spring connected with the fixing block and the support.

Through adopting above-mentioned technical scheme, the shock attenuation frame can support the sieve case, when realizing supporting, reduces the influence of sieve case vibration to ground.

The utility model discloses further set up to: the damping spring is sleeved with elastic rubber.

Through adopting above-mentioned technical scheme, elastic rubber possesses certain elasticity, when damping spring and elastic rubber use together, can prolong damping spring's life.

The utility model discloses further set up to: and a feeding port and a discharging port are respectively arranged at two ends of the screen box.

Through adopting above-mentioned technical scheme, make things convenient for the input and the seeing off of grit.

The utility model discloses further set up to: the shock attenuation frame is equipped with four and sets up respectively in one side that every curb plate is close to the pan feeding mouth and one side that is close to the discharge gate.

Through adopting above-mentioned technical scheme, improve the shock attenuation effect of shock attenuation frame.

The utility model discloses further set up to: and the connecting plate is provided with an installation assembly for installing the screen wire and a disassembly assembly for disassembling the screen wire.

Through adopting above-mentioned technical scheme, utilize installation component and dismantlement subassembly to install and dismantle the sieve line, realize the dismantled and assembled of sieve line, and installation component and dismantlement subassembly correspond with the extreme point of each sieve line, when certain sieve line damage, can change alone.

The utility model discloses further set up to: the surface of the baffle is provided with a rubber layer.

Through adopting above-mentioned technical scheme, provide a buffering effect when the grit drops to the baffle, prevent that the baffle from receiving the direct striking of grit to lead to the baffle to appear the damage of certain degree, improved the life of baffle.

To sum up, the utility model discloses following beneficial effect has:

through set up the baffle between screen cloth and eccentric wheel, prevent that the grit from directly dropping and cause certain damage to the eccentric wheel on the eccentric wheel, improve the life of eccentric wheel, reduce cost of maintenance.

Drawings

FIG. 1 is a first schematic structural diagram of the present embodiment, showing the connection relationship of sand shakers;

fig. 2 is a second structural schematic diagram of the present embodiment, which shows a front view structure of the sand vibrating screen.

In the figure: 1. a housing; 2. a side plate; 3. a connecting plate; 4. a baffle plate; 5. screening wires; 6. a damping spring; 7. a fixed block; 8. a support; 9. a rotating shaft; 10. a motor; 11. connecting blocks; 12. a connecting rod; 13. an eccentric wheel.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A sandstone vibrating screen comprises a screen box, a driving component for driving the screen box to vibrate and a damping frame for supporting the screen box to damp simultaneously, the screen box comprises a screen cloth and a shell 1, the shell 1 comprises two side plates 2 and connecting plates 3 for connecting two ends of the two side plates 2, the screen cloth consists of a plurality of screen wires 5, two ends of the screen wires 5 are respectively connected with the two connecting plates 3, a baffle 4 is arranged below the screen cloth, the edge of the baffle 4 is provided with a plurality of connecting blocks 11, one side of the side plate 2 facing the baffle 4 is provided with a plurality of connecting holes mutually matched with the connecting blocks 11, one end of the connecting block 11 far away from the baffle 4 is provided with a through hole and a connecting rod 12 mutually matched with the through hole, the connecting rod 12 is connected with the side plates 2 through bolts, the driving component comprises a placing plate arranged on the ground, two motors 10 fixed on the placing plate, two rotating shafts 9 respectively fixed with output shafts of the two motors, the eccentric wheel 13 is positioned between the two side plates 2 and below the baffle 4, the baffle 4 is connected with the side plates 2 by the connecting block 11, sand and stones are prevented from falling on the eccentric wheel 13, the phenomenon that the falling sand and stones damage the eccentric wheel 13 to cause improvement of maintenance cost is avoided, and meanwhile, the connecting rod 12 penetrates through a through hole in the connecting block 11 to be in bolt connection with the side plates 2, so that the firmness of connection between the baffle 4 and the side plates 2 is further improved;

the placing plate and the motor 10 are positioned at one side of the screen box, one end of each of two rotating shafts 9 is connected with an output shaft of the motor 10, the other end of each of the two rotating shafts passes through the two side plates 2 to reach the other side of the screen box, the rotating shafts 9 are movably connected with the side plates 2, after the motor 10 is started, the motor 10 drives the rotating shafts 9 connected with the output ends of the motor to rotate, the rotating shafts 9 drive eccentric wheels 13 connected with the rotating shafts to rotate, the eccentric wheels 13 drive the side plates 2 to move, so that the effect of the vibrating screen box is achieved, the damping frame comprises supports 8 connected with the ground, fixing blocks 7 connected with the shell 1 and damping springs 6 connecting the fixing blocks 7 with the supports 8, the damping frame can support the screen box, the influence of the vibration of the screen box on the ground is reduced while the support is achieved, the damping springs 6 are sleeved with elastic rubber, the elastic rubber has certain elasticity, when the, the two ends of the screen box are respectively provided with a feeding port and a discharging port, so that sand stones can be conveniently fed in and discharged out, and the four shock absorption frames are respectively arranged on one side of each side plate 2 close to the feeding port and one side of each side plate 2 close to the discharging port, so that the shock absorption effect of the shock absorption frame is improved;

be provided with the installation component that is used for installing wire screen 5 on connecting plate 3 and be used for tearing out the dismantlement component of wire screen 5, utilize installation component and dismantlement component to install and dismantle wire screen 5, realize the dismantled and assembled of wire screen 5, and installation component and dismantlement component correspond with each wire screen 5's extreme point, when certain wire screen 5 damages, can change alone, the surface of baffle 4 is equipped with the rubber layer, provide a cushioning effect when the grit drops to baffle 4 on, prevent that baffle 4 from receiving the direct striking of grit to lead to baffle 4 to appear the damage of certain degree, the life of baffle 4 has been improved.

The utility model discloses normal during operation, at first drop into the pan feeding mouth with the grit, then starter motor 10, motor 10 drives the axis of rotation 9 of being connected rather than the output and rotates, axis of rotation 9 drives eccentric wheel 13 rather than being connected and rotates, eccentric wheel 13 drives 2 movements of curb plate, thereby realize the effect of shale shaker case, the grit to on the screen cloth after the vibration of screen case is screened, because baffle 4 is located between screen cloth and the eccentric wheel 13, consequently, the grit that sees through the screen cloth toward the whereabouts drops to baffle 4 on, prevent the grit and eccentric wheel 13 direct contact that drop, avoid eccentric wheel 13 to receive the damage because of the cause of grit, thereby improved eccentric wheel 13's life, and the maintenance cost is reduced, afterwards, the grit on the screen cloth is seen off from the discharge gate, close motor 10.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a grit shale shaker, includes the drive assembly of sieve case, drive sieve case vibration and is used for supporting sieve case shock attenuation frame that is absorbing simultaneously, the sieve case includes screen cloth and casing (1), casing (1) includes two curb plates (2) and connecting plate (3) at two curb plate (2) both ends, the screen cloth comprises many screen lines (5) and the both ends of screen line (5) are connected its characterized in that with two connecting plate (3) respectively: the below of screen cloth is equipped with baffle (4), the edge of baffle (4) is equipped with a plurality of connecting blocks (11), curb plate (2) are equipped with a plurality of connecting holes of mutually supporting with connecting block (11) towards one side of baffle (4), the one end that baffle (4) were kept away from in connecting block (11) is equipped with the through-hole and with connecting rod (12) of through-hole mutually supporting, connecting rod (12) pass through bolted connection with curb plate (2), drive assembly is including setting up in subaerial placing the board, being fixed in two motor (10) of placing on the board, two axis of rotation (9) of fixing respectively with two motor (10) output shafts and being fixed in eccentric wheel (13) on axis of rotation (9), eccentric wheel (13) are located between two curb plate (2) and are located the below of baffle (4).

2. A sand shaker as claimed in claim 1, wherein: the placing plate and the motor (10) are located on one side of the screen box, one ends of the two rotating shafts (9) are connected with an output shaft of the motor (10), the other ends of the two rotating shafts penetrate through the two side plates (2) to reach the other side of the screen box, and the rotating shafts (9) are movably connected with the side plates (2).

3. A sand shaker as claimed in claim 1, wherein: the shock absorption frame comprises a support (8) connected with the ground, a fixing block (7) connected with the side plate (2), and a shock absorption spring (6) connected with the fixing block (7) and the support (8).

4. A sand shaker as claimed in claim 3, wherein: and elastic rubber is sleeved outside the damping spring (6).

5. A sand and stone vibrating screen according to claim 4, wherein: and a feeding port and a discharging port are respectively arranged at two ends of the screen box.

6. A sand and stone shaker as claimed in claim 5, wherein: the shock attenuation frame is equipped with four and sets up respectively in one side that every curb plate (2) are close to the pan feeding mouth and one side that is close to the discharge gate.

7. A sand shaker as claimed in claim 1, wherein: the connecting plate (3) is provided with an installation assembly for installing the screen wire (5) and a disassembly assembly for disassembling the screen wire (5).

8. A sand shaker as claimed in claim 1, wherein: the surface of the baffle (4) is provided with a rubber layer.