CN220295141U - Sand and stone aggregate screening equipment - Google Patents

Abstract

The utility model discloses sand aggregate screening equipment, which comprises a screening cylinder, wherein a feeding plate is fixedly arranged at the upper part of the screening cylinder, a feeding port is arranged between the feeding plates, a cambered screen is fixedly arranged at the lower part of the screening cylinder, a sliding groove is formed in the side wall of the screening cylinder below the feeding port, a mounting sliding block is slidably arranged in the sliding groove, a swinging push plate is rotatably arranged on the mounting sliding block through a rotating shaft, discharge ports are arranged at two sides of the screening cylinder, the swinging push plate can limit the falling position of materials after being fed from the feeding port, so that the materials uniformly fall on the screen, when the swinging push plate moves to one side, the materials passing through the side of the swinging push plate cannot fall from the side of the swinging push plate, then the swinging push plate swings to push the materials passing through the screening side of the screening cylinder out of the discharge port, and meanwhile, the continuous feeding screening of the other side cannot be influenced, the materials can be screened and the screening materials can be processed simultaneously, so that the screening efficiency cannot be influenced because intermittent cleaning of the screen is ensured.

Description

Sand and stone aggregate screening equipment

Technical Field

The utility model relates to the field of sand and stone screening, in particular to sand and stone aggregate screening equipment.

Background

The machine-made sand is a construction material formed by crushing large stones of a mine by using mechanical equipment, and is widely used in construction of bridge foundations of highways and railways and the like due to low transportation cost and good production controllability of the machine-made sand; in the process of crushing the sand by using the crusher, because sand particles are mutually extruded, dust is mixed after the sand is crushed, and the sand is required to be screened in order to obtain pure high-quality sand.

In screening equipment, put in the screen cloth with the material on after, less granule dust will drop through the screen cloth, and the large granule grit will stay last, if the unloading will produce to pile up on the screen cloth and cover the screen cloth to prevent follow-up screening work, if clear up regularly, will not sieve when the clearance, influence screening efficiency.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide sand aggregate screening equipment, which solves the existing pain point in the field.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a grit aggregate screening equipment, includes a screening section of thick bamboo, screening section of thick bamboo upper portion fixed mounting has the flitch of throwing, throw and be the feed opening between the flitch, screening section of thick bamboo lower part fixed mounting has the cambered surface screen cloth, throw the feed opening below be provided with the groove that slides on the screening section of thick bamboo lateral wall, slidable mounting has the installation slider in the groove that slides, the installation slider rotates through the pivot and installs the swing push pedal, screening section of thick bamboo both sides are provided with the discharge gate.

Preferably, the tail end of the swing push plate is slidably provided with a telescopic plate, and a telescopic spring connected with the telescopic plate is arranged in the swing push plate.

Preferably, a side door is arranged at the discharge hole, a push rod is fixedly arranged on the side surface of the swing push plate, and the side door can be pushed away by the push rod.

Preferably, the drive gear is rotationally installed to the installation slider, the swing push pedal with drive gear passes through pivot fixed connection, the smooth power rack that moves in the installation slider, the power rack with drive gear meshing, power rack both ends are provided with the jack, the vertical slidable mounting in installation slider both sides has the spacer pin, the spacer pin can insert in the jack, spacer pin top fixed mounting has the wedge, the wedge top be provided with the push down spring that the installation slider is connected, be provided with the push away the groove on the groove both ends wall that slides, the wedge inserts can be lifted after pushing away the groove.

Preferably, the power rack extends out through the side wall of the sieving cylinder and is connected with a cylinder fixedly arranged outside the sieving cylinder.

In summary, compared with the prior art, the utility model has the following beneficial effects: this equipment can screen to mixing sand stone material, discharge the material of equidimension difference from different mouthfuls, in throwing the material below, be provided with reciprocating motion's swing push pedal, can restrict the material and throw into the position that falls behind the back from the feed inlet, make the even whereabouts of material on the screen cloth, when the swing push pedal removes one side, the material can't follow this side whereabouts of swing push pedal, afterwards the swing push pedal swing is released the material of this side through screening from screening section of thick bamboo side discharge gate, can not influence the opposite side simultaneously and continue to throw the material screening, can make material screening and screening material processing go on simultaneously, thereby guarantee that screening efficiency can not receive the influence because of needs intermittent type clearance screen cloth.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present utility model are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:

FIG. 1 is a schematic diagram of a sand aggregate screening apparatus;

fig. 2 is a schematic cross-sectional view of the mounting slider 13 in the apparatus.

Reference numerals illustrate: 10. a sieving cylinder; 11. a feeding plate; 12. a cambered surface screen; 13. installing a sliding block; 14. a slip groove; 15. swinging the push plate; 16. a drive gear; 17. a power rack; 18. a jack; 19. a limiting pin; 20. wedge blocks; 21. pressing down the spring; 22. pushing grooves; 23. a telescoping plate; 24. a telescopic spring; 25. a side door; 26. and (5) a push rod.

Description of the embodiments

The utility model is described in further detail below with reference to the accompanying drawings.

The utility model provides a grit aggregate screening equipment, includes screening section of thick bamboo 10, screening section of thick bamboo 10 upper portion fixed mounting has material throwing plate 11, be the dog-house between the material throwing plate 11, screening section of thick bamboo 10 lower part fixed mounting has cambered surface screen cloth 12, be provided with on the screening section of thick bamboo 10 lateral wall of dog-house below and slide groove 14, slidable mounting has installation slider 13 in the slide groove 14, installation slider 13 rotates through the pivot and installs swing push pedal 15, the terminal slidable mounting of swing push pedal 15 has expansion plate 23, set up in the swing push pedal 15 with expansion spring 24 that expansion plate 23 is connected, screening section of thick bamboo 10 both sides are provided with the discharge gate, and the process cambered surface screen cloth 12 screening back material of leaving can be by expansion spring 24 follows in the discharge gate, discharge gate department is provided with side door 25, swing push pedal 15 side fixed mounting has ejector pin 26, side door 25 can be pushed away by ejector pin 26.

The utility model discloses a screening device for screening a material, including installation slider 13, drive gear 16 is installed in the rotation, swing push pedal 15 with drive gear 16 passes through pivot fixed connection, install the power rack 17 is installed in the level in the slider 13, power rack 17 with drive gear 16 meshing, power rack 17 both ends are provided with jack 18, install slider 13 both sides vertical slidable mounting has spacer 19, spacer 19 can insert in jack 18, when spacer 19 inserts in jack 18, power rack 17 with install slider 13 is fixed each other, power rack 17 can drive install slider 13 removes, just spacer 19 bottom inclined plane outwards, power rack 17 to can be with when spacer 19 inclined plane removes spacer 19 jack 19, spacer 19 top fixed mounting has wedge 20, the wedge 20 top be provided with the push down spring 21 that install slider 13 is connected, be provided with on the end wall of slide slot 14 push away slot 22, the wedge 20 inserts in the push away slot 22 can be followed the power rack 17 can be followed the jack is stretched out by the jack, thereby can be followed the power rack 17 is stretched out by the cylinder 17 to the cylinder is connected to the cylinder is stretched out to the cylinder is 17.

When the installation slide block 13 is positioned at the left end of the sliding groove 14, the swing push plate 15 is biased to the left, materials falling from a feed port will fall to the right side of the swing push plate 15, the limiting pin 19 on the right side is inserted into the jack 18 on the right side, at this time, the installation slide block 13 is driven to slide in the sliding groove 14 by moving the power rack 17, the driving gear 16 will not rotate, during the moving process, the materials fall from two sides of the swing push plate 15, due to the blocking of the swing push plate 15, the falling positions of the materials are concentrated around the swing push plate 15, are uniformly distributed on the cambered screen 12 along with the moving of the swing push plate 15, the screening of the materials is facilitated, when the installation slide block 13 slides on the right end of the sliding groove 14, the wedge block 20 on the right side is inserted into the push groove 22 on the right side, the wedge block 20 on the right side is lifted up so as to pull out the limiting pin 19 on the right side, at this time, the material cannot fall from the right side of the swing pushing plate 15, the right side of the swing pushing plate 15 is the sieved material, then the power rack 17 continues to slide, relative to the mounting sliding block 13, so as to slide, the swing pushing plate 15 is driven to swing through the meshing of the driving gear 16, the sieved material is discharged through the discharging hole, when the power rack 17 moves to the right side limiting position, the limiting pin 19 on the left side is inserted into the jack 18 on the left side under the action of the pressing spring 21, the power rack 17 and the mounting sliding block 13 are fixedly connected again, then the power rack 17 is reversely moved, the swing pushing plate 15 is pushed to the left side, so that the sieved material on the cambered surface screen 12 is cleaned in time in a reciprocating manner, is beneficial to improving the screening efficiency.

The foregoing is merely exemplary embodiments of the present utility model and is not intended to limit the scope of the utility model, which is defined by the appended claims.

Claims (5)

1. Grit aggregate screening equipment, its characterized in that: the screening device comprises a screening cylinder (10), wherein a feeding plate (11) is fixedly arranged at the upper part of the screening cylinder (10), and a feeding port is arranged between the feeding plates (11); the screening cylinder is characterized in that an arc screen (12) is fixedly arranged at the lower part of the screening cylinder (10), a sliding groove (14) is formed in the side wall of the screening cylinder (10) below the feeding port, an installation sliding block (13) is slidably arranged in the sliding groove (14), a swing push plate (15) is rotatably arranged on the installation sliding block (13) through a rotating shaft, and discharge ports are formed in two sides of the screening cylinder (10).

2. A sand aggregate screening apparatus as claimed in claim 1, wherein: the tail end of the swing push plate (15) is slidably provided with a telescopic plate (23), and a telescopic spring (24) connected with the telescopic plate (23) is arranged in the swing push plate (15).

3. A sand aggregate screening apparatus as claimed in claim 1, wherein: the side door (25) is arranged at the discharge hole, the ejector rod (26) is fixedly arranged on the side face of the swing push plate (15), and the side door (25) can be pushed away by the ejector rod (26).

4. A sand aggregate screening apparatus as claimed in claim 1, wherein: the utility model discloses a device for fixing a sliding block of a motor vehicle, including installation slider (13), drive gear (16) is installed in the rotation of installation slider (13), swing push pedal (15) with drive gear (16) are through pivot fixed connection, install power rack (17) is moved to level in installation slider (13), power rack (17) with drive gear (16) meshing, power rack (17) both ends are provided with jack (18), vertical slidable mounting in installation slider (13) both sides has spacer pin (19), spacer pin (19) can insert in jack (18), spacer pin (19) top fixed mounting has wedge (20), wedge (20) top be provided with push spring (21) that installation slider (13) are connected, be provided with on the wall of sliding groove (14) both ends and push away groove (22), wedge (20) are inserted can be lifted behind pushing groove (22).

5. A sand aggregate screening apparatus as claimed in claim 4, wherein: the power rack (17) penetrates through the side wall of the screening cylinder (10) to extend out and is connected with an air cylinder fixedly arranged outside the screening cylinder (10).