CN217043423U

CN217043423U - Screen cloth fluctuation anti-blocking screen

Info

Publication number: CN217043423U
Application number: CN202220824508.3U
Authority: CN
Inventors: 刘彦; 吕标亮
Original assignee: Xinxiang Tiangong Mechanical Equipment Co ltd
Current assignee: Xinxiang Tiangong Mechanical Equipment Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-07-26
Anticipated expiration: 2032-04-11

Abstract

The utility model provides a screen cloth fluctuation anti-blocking sieve, which belongs to the technical field of sandstone aggregate screening equipment, and comprises a screen box which is obliquely arranged and is provided with a feed inlet, a first screening mechanism for screening materials for the first time and a second screening mechanism for screening the materials for the second time are arranged in the screen box at intervals from top to bottom, a transition plate for rolling the materials into the first screening mechanism for screening is obliquely arranged at the feed inlet in the screen box, the materials smaller than the screen holes of the first screen cloth fall onto the second screen cloth for secondary screening, the materials larger than the screen holes of the second screen cloth are discharged through a receiving port, the materials smaller than the screen holes of the second screen cloth are discharged through a lower discharge port, and further, the screening of the granularity of the materials by using one equipment is realized, thus, the efficiency is high, and the cost for purchasing the equipment is reduced, in addition, under the effect of shearing spring, the material on the second screen cloth is beated ceaselessly, has avoided the problem in second screen cloth sieve mesh stifled hole.

Description

Screen cloth fluctuation anti-blocking screen

Technical Field

The utility model relates to a grit aggregate screening plant technical field, concretely relates to screen cloth is undulant prevents stifled sieve.

Background

In the domestic sandstone aggregate industry, cement industry, coal industry, power generation industry and the like, the materials with smaller granularity such as coal, lime powder and the like with the granularity of about 3-30 mm need to be mechanically screened, in order to screen the granularity of the materials, a plurality of vibrating screens are generally adopted to screen the same material for a plurality of times, the granularity of the materials screened by each vibrating screen is different, so that the granularity screening of the materials is realized, and the mode of screening the granularity of the materials is not only low in efficiency but also high in cost.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a screen cloth is undulant prevents stifled sieve can not only use an equipment to sieve the granularity of material, and efficient, with low costs and screen cloth are difficult to the plugged hole moreover.

For solving the technical problem, the utility model provides a screen cloth is undulant prevents stifled sieve, the sieve case that has the feed inlet that sets up including the slope, the interval is provided with the first screening mechanism that is used for carrying out the first screening to the material and is used for carrying out the second screening mechanism of secondary screening to the material about the sieve incasement, the slope that is located the feed inlet department in the sieve incasement is provided with and is used for making the material roll to carry out the cab apron of crossing that sieves in the first screening mechanism, be provided with first supporting mechanism, second supporting mechanism and the third supporting mechanism that are used for supporting the sieve case on the sieve case, one side of sieve case is provided with motor leg in the middle part of sieve case, install the motor on the motor leg, be provided with the vibration exciter that is used for driving the sieve case vibration on the sieve case, the motor passes through shaft coupling flexible coupling with the vibration exciter.

Preferably, the first screening mechanism comprises a first screen bracket fixedly connected to the upper part in the screen box and used for installing a first screen, and the first screen bracket is provided with a first screen for first screening.

Preferably, the second screening mechanism is including establishing a plurality of second screen cloth brackets that are used for installing the second screen cloth at the sieve incasement bottom, second screen cloth bracket include fixed bracket and with the floating bracket of fixed bracket interval setting, the both sides of sieve case have linked firmly the fender ear respectively, the quantity that keeps off the ear is two, is provided with the U-shaped frame that is used for driving floating bracket fluctuation between two fender ears, and the opening of U-shaped frame is outwards, be provided with the shearing spring between U-shaped frame and the fender ear respectively, the U-shaped frame passes through the connecting plate and is connected with floating bracket, set up the unsteady hole that supplies the connecting plate to pass on the sieve case.

Preferably, first supporting mechanism is including setting up the first landing leg in sieve case both sides respectively, the upper end of first landing leg is provided with first supporting component, supporting component is including setting up the damping spring in first landing leg upper end, the one end that damping spring kept away from first landing leg is provided with the spring holder, be provided with the support column that is used for supporting the sieve case on the spring holder, set up the U-shaped groove that is used for the erection bracing post on the spring holder.

Preferably, the second supporting mechanism comprises second supporting legs respectively arranged at two sides of the sieve box, a second supporting component is arranged on the second supporting legs, the first supporting component and the second supporting component have the same structure, and the height of the first supporting legs is larger than that of the second supporting legs.

Preferably, the third support mechanism comprises third support legs respectively arranged at two sides of the sieve box, a third support assembly is arranged on the third support legs, the first support assembly, the second support assembly and the third support assembly have the same structure, and the height of the second support legs is larger than that of the third support legs.

Preferably, the damping spring is a rubber spring.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows: when the materials need to be screened, the equipment is started, the motor drives the vibration exciter to move, the vibration exciter drives the screening box to vibrate, then the worker pours the materials into the feeding hole and rolls the materials onto the first screen mesh through the transition plate, the first screen mesh screens the materials for the first time, the materials larger than the screen holes of the first screen mesh are discharged through the upper discharging hole, the materials smaller than the screen holes of the first screen mesh fall onto the second screen mesh for the second time screening, the materials larger than the screen holes of the second screen mesh are discharged through the receiving hole, and the materials smaller than the screen holes of the second screen mesh are discharged through the lower discharging hole, further realizes the sieving of the granularity of the materials by using one device, thereby not only having high efficiency, but also reducing the cost for purchasing the device, in addition, under the effect of shearing spring, the material on the second screen cloth is not stopped beating, has avoided the problem in second screen cloth sieve mesh stifled hole.

Drawings

FIG. 1 is a schematic view of the screen cloth fluctuation anti-blocking screen of the present invention;

FIG. 2 is a schematic diagram of a side view structure of the anti-blocking sieve with fluctuating screen cloth;

FIG. 3 is a schematic view of the installation structure of the floating bracket and the sieve box of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 3 according to the present invention.

In the figure: 1. a screen box; 2. a feed inlet; 3. a transition plate; 4. a motor support leg; 5. a motor; 6. a vibration exciter; 7. a first screen carrier; 8. a second screen carrier; 9. a floating carriage; 10. blocking ears; 11. a U-shaped frame; 12. a shear spring; 13. a first leg; 14. a damping spring; 15. a spring seat; 16. a support column; 17. a second leg; 18. a third leg; 19. a connecting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the present invention, belong to the protection scope of the present invention.

As shown in fig. 1-4: the screen fluctuation anti-blocking screen comprises a screen box 1 which is obliquely arranged and provided with a feed inlet 2, a first screening mechanism for screening materials for the first time and a second screening mechanism for screening the materials for the second time are arranged in the screen box 1 at intervals from top to bottom, a transition plate 3 for rolling the materials into the first screening mechanism for screening is obliquely arranged at the feed inlet 2 in the screen box 1, the materials entering from the feed inlet 2 roll onto the first screen through the transition plate 3, a first supporting mechanism, a second supporting mechanism and a third supporting mechanism for supporting the screen box 1 are arranged on the screen box 1, a motor support leg 4 is arranged at the middle part of the screen box 1 on one side of the screen box 1, a motor 5 is arranged on the motor support leg 4, a vibration exciter 6 for driving the screen box 1 to vibrate is arranged on the screen box 1, the motor 5 drives the vibration exciter 6 to operate, and the vibration exciter 6 generates eccentric exciting force, drive first sieve tray 7 and the motion of second sieve tray 8, motor 5 passes through the shaft coupling flexible coupling with vibration exciter 6.

In this embodiment, first screening mechanism is including linking firmly first screen cloth bracket 7 that is used for installing first screen cloth in the upper portion of sieve case 1, is provided with the first screen cloth that is used for carrying out the first screening on first screen cloth bracket 7, and first screen cloth sieves the material, and the material that is less than first screen cloth sieve mesh falls to sieve on the second screen cloth, and the material that is greater than first screen cloth sieve mesh passes through the top discharge mouth and discharges.

In the embodiment, the second screening mechanism comprises a plurality of second screen brackets 8 which are arranged at the bottom in the screen box 1 and used for mounting a second screen, the second screen is mounted on the second screen bracket 8, the second screen screens the materials falling from the first screen for the second time, the second screen enables the materials on the second screen to continuously bounce under the action of a floating bracket 9, the materials larger than the screen holes of the second screen are discharged through a material receiving port arranged on the screen box, the materials smaller than the screen holes of the second screen are discharged through a lower material outlet, the second screen bracket 8 comprises a fixed bracket and a floating bracket 9 which is arranged at intervals with the fixed bracket and can float up and down, two sides of the screen box 1 are fixedly connected with two baffle lugs 10 respectively, a U-shaped frame 11 used for driving the floating bracket 9 to float up and down is arranged between the two baffle lugs 10, and the opening of the U-shaped frame 11 faces outwards, u-shaped frame 11 and keep off and be provided with shearing spring 12 between the ear 10 respectively, when vibration exciter 6 moves, shearing spring 12 produces the tangential force, thereby drive floating bracket 9 continuous motion, the material is beated in succession on the second screen cloth, U-shaped frame 11 passes through connecting plate 19 and is connected with floating bracket 9, set up the unsteady hole that supplies connecting plate 19 to pass on the sieve case 1, sieve twice through first screening mechanism and second screening mechanism to the material, and then realized using an equipment to sieve the granularity of material, not only efficient but also use an equipment to reduce the cost of purchasing equipment.

In this embodiment, first supporting mechanism is including setting up the first landing leg 13 in sieve case 1 both sides respectively, the quantity of first landing leg 13 is two, two first landing legs 13 are symmetrical arrangement about sieve case 1, the upper end of first landing leg 13 is provided with first supporting component, supporting component is including setting up damping spring 14 in first landing leg 13 upper end, damping spring 14 keeps away from the one end of first landing leg and is provided with spring holder 15, be provided with the support column 16 that is used for supporting sieve case 1 on the spring holder 15, support column 16 runs through sieve case 1 and both ends are located spring holder 15 respectively, set up the U-shaped groove that is used for erection bracing post 16 on spring holder 15.

In this embodiment, the second support mechanism includes second support legs 17 respectively disposed at two sides of the screen box 1, a second support assembly is disposed on the second support legs 17, the first support assembly and the second support assembly have the same structure, and the height of the first support legs 13 is greater than the height of the second support legs 17.

In this embodiment, the third support mechanism includes the third landing leg 18 that sets up respectively in sieve case 1 both sides, be provided with the third supporting component on the third landing leg 18, first supporting component, the structure of second supporting component is the same with the third supporting component, the height dimension of second landing leg 17 is greater than the height dimension of third landing leg 18, the purpose that sieve case 1 slope set up has been realized to the height that is greater than second landing leg 17 of first landing leg 13 is greater than third landing leg 18, the support column in first supporting mechanism, the second supporting mechanism and the third supporting mechanism plays the effect of support to sieve case 1.

In this embodiment, the damper spring 14 is a rubber spring.

The utility model discloses a theory of operation: when the materials need to be screened, the equipment is started, the motor 5 drives the vibration exciter 6 to move, the vibration exciter 6 drives the screen box 1 to vibrate, then the worker pours the materials into the feed inlet 2 and rolls the materials onto the first screen mesh through the transition plate 3, the first screen mesh screens the materials for the first time, the materials larger than the screen meshes of the first screen mesh are discharged through the upper discharge port, the materials smaller than the screen meshes of the first screen mesh fall onto the second screen mesh for the second time screening, the materials larger than the screen meshes of the second screen mesh are discharged through the material receiving port, the materials smaller than the screen meshes of the second screen mesh are discharged through the lower discharge port, further realizes the screening of the granularity of the materials by using one device, thereby not only having high efficiency but also reducing the cost for purchasing the device, in addition, under the action of the shearing spring 12, the material on the second screen continuously jumps, so that the problem of hole blockage of the screen holes of the second screen is avoided.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a screen cloth undulant prevents stifled sieve which characterized in that: the screening box that has the feed inlet that sets up including the slope, the interval is provided with the first screening mechanism that is used for carrying out the first screening to the material and is used for carrying out the second screening mechanism that sieves the material about the screening incasement, the slope that is located the feed inlet department in the screening incasement is provided with and is used for making the material roll to carry out the cab apron of crossing that sieves in the first screening mechanism and sieve, be provided with first supporting mechanism, second supporting mechanism and the third supporting mechanism that is used for supporting the screening case on the screening case, one side of screening case is provided with motor leg in the middle part of screening case, the last motor that installs of motor leg, be provided with the vibration exciter that is used for driving the vibration of screening case on the screening case, the motor passes through shaft coupling flexible coupling with the vibration exciter.

2. The screen fluctuation anti-clogging screen of claim 1, wherein: first screening mechanism is including linking firmly the first screen cloth bracket that is used for installing first screen cloth in sieve incasement upper portion, be provided with the first screen cloth that is used for carrying on first screening on the first screen cloth bracket.

3. The screen fluctuation anti-clogging screen of claim 1, wherein: the second screening mechanism is including establishing a plurality of second screen cloth brackets that are used for installing the second screen cloth at sieve incasement bottom, second screen cloth bracket include fixed bracket and with the floating bracket of fixed bracket interval setting up floating from top to bottom, the both sides of sieve case have linked firmly the fender ear respectively, the quantity that keeps off the ear is two, is provided with between two fender ears to be used for driving the U-shaped frame that floating bracket floated from top to bottom, and the opening of U-shaped frame is outwards, be provided with the shearing spring between U-shaped frame and the fender ear respectively, the U-shaped frame passes through the connecting plate and is connected with floating bracket, set up the unsteady hole that supplies the connecting plate to pass on the sieve case.

4. The screen cloth fluctuation anti-clogging screen as claimed in claim 2 or 3, wherein: first supporting mechanism is including setting up the first landing leg in sieve case both sides respectively, the upper end of first landing leg is provided with first supporting component, supporting component is including setting up the damping spring in first landing leg upper end, the one end that damping spring kept away from first landing leg is provided with the spring holder, be provided with the support column that is used for supporting the sieve case on the spring holder, set up the U-shaped groove that is used for erection bracing post on the spring holder.

5. The screen fluctuation anti-clogging screen of claim 4, wherein: the second supporting mechanism comprises second supporting legs which are arranged on two sides of the screen box respectively, a second supporting assembly is arranged on each second supporting leg, the first supporting assembly and the second supporting assembly are identical in structure, and the height of each first supporting leg is larger than that of each second supporting leg.

6. The screen fluctuation anti-clogging screen of claim 5, wherein: the third supporting mechanism comprises third supporting legs which are arranged on two sides of the screen box respectively, a third supporting assembly is arranged on each third supporting leg, the structures of the first supporting assembly, the second supporting assembly and the third supporting assembly are the same, and the height of each second supporting leg is larger than that of each third supporting leg.

7. The screen fluctuation anti-clogging screen of claim 5 or 6, wherein: the damping spring is a rubber spring.