Gravel screening machine

Abstract

The utility model discloses a broken stone screening machine, relates to broken stone screening technical field, including screening machine and screening net, the utility model discloses a plurality of screening net can be dismantled to change and install according to the need by setting dissembling and assembling subassembly, rotary knob drive L-shaped baffle to be away from each other until L-shaped baffle breaks away from inclined slide strip, the operation is simple and fast, and the efficiency is high. By arranging a limiting assembly, an iron bar is clamped into a first inserting groove and adsorbs a first magnetic block, the position of an L-shaped baffle can be limited in the disassembling and assembling process, the L-shaped baffle is prevented from shaking left and right, a movable plate is moved forwards to drive the iron bar to be separated from the first inserting groove, and a rotary knob is rotated reversely to enable the L-shaped baffle to be attached to each other; the iron strip is just aligned to the second inserting groove, the iron strip is clamped into the second inserting groove and adsorbs the second magnetic block so that the position of the L-shaped baffle can be limited in the gravel screening period, left-right shaking of the L-shaped baffle is avoided, and by arranging the inclined groove, the situation that gravel is stacked in the inclined groove can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gravel screening, particularly to a gravel screening machine. BACKGROUND

[0002] Gravel is a small piece of rock after crushing, and the gravel screening machine is a machine that screens raw gravel according to certain size requirements to obtain stone meeting the requirements. The screen size can be selected to the appropriate specification, and the screened stone should meet the corresponding content requirements. The shape of the screened stone should avoid excessive corners and flat stones as much as possible. Gravels of different particle sizes can be used in different construction fields, and different specifications of gravel can be screened by replacing the screen.

[0003] As disclosed in the utility model with the authorized announcement number CN220387128U, a gravel screening machine is provided. The first installation frame with the first screening net is embedded in the first sliding groove, and the first bolt is threadedly connected with the first installation frame to fix the first installation frame. The first screening net is used to screen gravel. The first and second screening nets are used to screen gravel of different specifications.

[0004] However, the prior art has the following problems in use:

[0005] When the device disassembles and replaces the first or second screening net each time, the staff needs to rotate each first or second bolt in turn to make the first or second bolt disengage from the corresponding first or second installation frame, which is relatively cumbersome in operation. UTILITY MODEL CONTENTS

[0006] To overcome the shortcomings of the prior art, the utility model provides a gravel screening machine to solve the technical problems mentioned in the background.

[0007] To solve the above technical problems, the utility model provides the following technical scheme: a gravel screening machine, comprising a screening machine and a screening net, the screening machine is internally provided with a plurality of screening nets;

[0008] A dismounting and mounting assembly is arranged outside the screening net, which facilitates the dismounting and mounting of the plurality of screening nets.

[0009] A limiting assembly is arranged on the top of the dismounting and mounting assembly, which can fix the installed screening net.

[0010] An inclined chute is symmetrically arranged inside the screening machine, which can avoid the accumulation of gravel in the inclined chute.

[0011] As a preferred technical scheme of the utility model, the top surface of the screening machine is fixedly provided with a mounting frame, a water tank is fixedly installed on the top surface of the mounting frame, a high-pressure water pump is communicated with the top of the water tank, an output end of the high-pressure water pump is communicated with a water delivery pipe, the water delivery pipe penetrates through the mounting frame and is communicated with a plurality of atomizing nozzles, a mounting frame is fixedly arranged outside the screening net, an inclined plate is fixedly arranged on the top surface of the mounting frame, inclined sliding strips adapted to inclined grooves are fixedly arranged on the left and right sides of the mounting frame, and the inclined sliding strips are slidably connected with the screening machine through the inclined grooves.

[0012] As a preferred technical scheme of the utility model, the dismounting and assembling assembly comprises an L-shaped baffle, a first L-shaped rod, a second L-shaped rod, a first baffle, a knob, a rack, a gear and a guide block, the front surface of the screening machine is slidably connected with symmetrical L-shaped baffles, the vertical part of the L-shaped baffle is fixedly provided with a first baffle on the side surface, the top of the screening machine is penetrated through a first L-shaped rod and a second L-shaped rod, the top surface of the screening machine is rotatably connected with a knob, the inside of the screening machine is provided with a gear and symmetrical racks, the back surface of the L-shaped baffle is fixedly provided with a guide block.

[0013] As a preferred technical scheme of the utility model, one end of the first L-shaped rod and the second L-shaped rod is respectively fixedly connected with the L-shaped baffle, the bottom surface of the knob is fixedly provided with a connecting rod, the bottom surface of the connecting rod is fixedly connected with the gear, the inside of the screening machine is provided with a hollow groove, the left and right sides of the screening machine are respectively provided with a first through groove and a second through groove penetrating into the inside of the hollow groove, the first L-shaped rod and the second L-shaped rod are respectively slidably connected with the screening machine through the first through groove and the second through groove, one end of the first L-shaped rod and the second L-shaped rod away from the L-shaped baffle is respectively fixedly connected with the rack, the rack is engaged with the gear, the front surface of the screening machine is provided with a guide groove adapted to the guide block, and the guide block is slidably connected with the guide groove through the guide groove.

[0014] As a preferred technical scheme of the utility model, the limiting assembly comprises a movable plate, a second baffle, an iron strip, a second insertion groove, a sliding rod and a sliding plate, the front of the screening machine is provided with a movable plate, the left and right sides of the movable plate are fixedly provided with symmetrical second baffles, the back surface of the movable plate is fixedly provided with a plurality of iron strips and sliding rods, the back surface of the sliding rod is fixedly provided with a sliding plate, and the front surface of the L-shaped baffle is provided with symmetrical second insertion grooves.

[0015] As a preferred technical scheme of the utility model, the front surface of the L-shaped baffle is provided with symmetrical first insertion grooves, the first insertion grooves and the second insertion grooves are all adapted to the iron strips, the iron strips are slidably connected with the L-shaped baffle through the first insertion grooves and the second insertion grooves, the inside of the L-shaped baffle is provided with a first sliding groove and a second sliding groove adapted to the sliding rod and the sliding plate, the sliding rod is slidably connected with the L-shaped baffle through the first sliding groove, and the sliding plate is slidably connected with the L-shaped baffle through the second sliding groove.

[0016] Compared with the prior art, the utility model can achieve the beneficial effects that:

[0017] The utility model discloses a set up dismounting subassembly, rotates knob and drives L type baffle to be far from each other until L type baffle separates from the inclined slide, can according to need remove multiple screening net and replace and install, simple and convenient operation is fast, and the dismounting efficiency is high, through setting up limiting component, iron bar is combined to first slot and adsorbs first magnetic block and can limit the position of L type baffle during dismounting process, avoids L type baffle and shakes left and right, and the iron bar is combined to the second slot inside and adsorbs second magnetic block and can limit the position of L type baffle during the screening of broken stone, avoids L type baffle and shakes left and right, through setting up chute, when broken stone enters the inside of chute, chute can slide down along the inclined surface of chute bottom surface, avoids the accumulation of broken stone in the inside of chute. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is main structure schematic diagram of the utility model;

[0019] Figure 2 It is overhead view cross section structure schematic diagram of the utility model;

[0020] Figure 3 It is limiting component part structure cross section schematic diagram of the utility model;

[0021] Figure 4 It is L type baffle and movable plate split structure schematic diagram of the utility model;

[0022] Among them: 1, screening machine;2, mounting frame;3, water tank;4, high pressure water pump;5, water delivery pipe;6, atomizing nozzle;7, screening net;8, mounting frame;9, inclined plate;10, inclined slide;11, chute;12, L type baffle;13, first L type rod;14, second L type rod;15, movable plate;16, first baffle;17, knob;18, second baffle;19, rack;20, gear;21, iron bar;22, second slot;23, slide rod;24, slide plate;25, guide block. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor all belong to the protection scope of the utility model.

[0024] EMBODIMENT

[0025] Please refer to Figures 1-2The utility model provides a kind of stone screening machine, including screening machine 1 and screening net 7, the front and rear two sides and top surface of screening machine 1 are all open, and the top surface of screening machine 1 is fixedly provided with mounting bracket 2, the top surface of mounting bracket 2 is fixedly installed with water tank 3, water tank 3 top is communicated with high-pressure water pump 4, the output end of high-pressure water pump 4 is communicated with water delivery pipe 5, water delivery pipe 5 is provided with two groups, water delivery pipe 5 is through mounting bracket 2 and is communicated with multiple atomizing nozzles 6, the inside left and right sides of screening machine 1 are provided with multiple symmetrical inclined grooves 11, the bottom surface of inclined groove 11 is inclined surface, and the inside of inclined groove 11 is provided with the inclined sliding strip 10 of adaptation inclined groove 11, and inclined sliding strip 10 is slidably connected with screening machine 1 by inclined groove 11, and the side of mutual approach of inclined sliding strip 10 is fixedly provided with mounting frame 8, and the inside of mounting frame 8 is fixedly provided with screening net 7, and different specifications of screening net 7 can be screened according to the required particle size of stone, and the top surface of mounting frame 8 is fixedly provided with inclined plate 9, and inclined plate 9 and inclined groove 11 are all set as outer high and inner low, to avoid stone accumulation on the top surface of inclined plate 9 or the inside bottom surface of inclined groove 11 during screening stone, and high-pressure water pump 4 can extract the water inside water tank 3, and spray downward along water delivery pipe 5 and atomizing nozzle 6, to reduce the dust around during screening stone.

[0026] As Figures 1-4As shown, the screening net 7 is externally provided with a dismounting assembly, which is composed of L-shaped baffles 12, first L-shaped rods 13, second L-shaped rods 14, first baffles 16, knobs 17, racks 19, gears 20 and guide blocks 25, the screening machine 1 is frontally connected with symmetrical L-shaped baffles 12, the horizontal parts of the L-shaped baffles 12 can cover the vertical parts of the L-shaped baffles 12 when they are close to each other, so as to fix the position of the screening net 7 relative to the screening machine 1, the L-shaped baffles 12 can be separated from the inclined sliding strips 10 to facilitate the extraction of the mounting frame 8 for replacing the screening net 7, the first baffles 16 are fixedly arranged on the vertical parts of the L-shaped baffles 12, the first L-shaped rods 13 and the second L-shaped rods 14 are arranged through the top of the screening machine 1, one end of each of the first L-shaped rods 13 and the second L-shaped rods 14 is fixedly connected with the L-shaped baffles 12, the knobs 17 are rotatably connected to the top surface of the screening machine 1, the gears 20 and symmetrical racks 19 are arranged inside the screening machine 1, the screening machine 1 is internally provided with a hollow groove, the racks 19 are slidably connected with the inner wall of the hollow groove, the gears 20 are rotatably connected with the inner wall of the hollow groove, the first through groove and the second through groove are respectively arranged through the left side and the right side of the screening machine 1 to the inside of the hollow groove, the first L-shaped rods 13 and the second L-shaped rods 14 are slidably connected with the screening machine 1 through the first through groove and the second through groove, one end of each of the first L-shaped rods 13 and the second L-shaped rods 14 away from the L-shaped baffles 12 is fixedly connected with the racks 19, the connecting rods are fixedly arranged on the bottom surface of the knobs 17, the bottom surface of the connecting rods is fixedly connected with the gears 20, the racks 19 are engaged with the gears 20, the guide blocks 25 are fixedly arranged on the back of the L-shaped baffles 12, the guide grooves matched with the guide blocks 25 are arranged on the front of the screening machine 1, the guide blocks 25 are slidably connected with the guide grooves, the guide blocks 25 guide the movement of the L-shaped baffles 12 in cooperation with the guide grooves, so that the L-shaped baffles 12 move leftward and rightward along the horizontal direction, rotating the knobs 17 drives the connecting rods and the gears 20 to rotate, the rotation of the gears 20 drives the racks 19 to move toward each other, the movement of the racks 19 drives the first L-shaped rods 13 and the second L-shaped rods 14 to move toward each other, so as to drive the L-shaped baffles 12 to move away from each other until the L-shaped baffles 12 are separated from the inclined sliding strips 10, the plurality of screening nets 7 can be dismounted and replaced according to the needs, reversely rotating the knobs 17 can drive the L-shaped baffles 12 to move close to each other and abut, the operation is simple and fast, and the dismounting efficiency is high, the first baffles 16 can cover the guide grooves during the dismounting and mounting of the screening net 7, and the L-shaped baffles 12 can cover the guide grooves during the screening of the screening net 7.

[0027] As Figures 1-4As shown, the top of the disassembling and assembling component is provided with a limiting component, the limiting component is composed of a movable plate 15, a second baffle 18, an iron bar 21, a second slot 22, a sliding rod 23 and a sliding plate 24, the movable plate 15 is arranged at the front of the screening machine 1, the movable plate 15 is fixedly provided with symmetric second baffles 18 at the left and right sides, the movable plate 15 is fixedly provided with a plurality of iron bars 21 and a sliding rod 23 at the back, the length of the iron bar 21 is slightly shorter than that of the sliding rod 23, the sliding rod 23 is fixedly provided with a sliding plate 24 at the back, the cross-sectional area of the sliding plate 24 is greater than that of the sliding rod 23, the L-shaped baffle 12 is internally provided with a first sliding groove and a second sliding groove matched with the sliding rod 23 and the sliding plate 24, the sliding rod 23 is slidably connected with the L-shaped baffle 12 through the first sliding groove, the sliding plate 24 is slidably connected with the L-shaped baffle 12 through the second sliding groove, the L-shaped baffle 12 is provided with symmetric second slots 22 at the front, the L-shaped baffle 12 is provided with symmetric first slots at the front, the first slots and the second slots 22 are respectively fixedly provided with first magnetic blocks and second magnetic blocks on the inner walls, the first slots and the second slots 22 are matched with the iron bars 21, the iron bars 21 are slidably connected with the L-shaped baffle 12 through the first slots and the second slots 22, respectively, the iron bars 21 are clamped into the first slots and are attracted to the first magnetic blocks, so that the position of the L-shaped baffle 12 can be limited during disassembling and assembling, and the L-shaped baffle 12 is prevented from shaking left and right, the movable plate 15 is moved forward to drive the iron bars 21 to be separated from the first slots, after the L-shaped baffles 12 are mutually attached by reversely rotating the knobs 17, the iron bars 21 are just aligned to the second slots 22, the movable plate 15 is pressed to clamp the iron bars 21 into the second slots 22 and attract the second magnetic blocks, so that the position of the L-shaped baffle 12 can be limited during screening of the gravel, and the L-shaped baffle 12 is prevented from shaking left and right, and the second baffles 18 can cover the second slots 22 during disassembling and assembling of the screening net 7.

[0028] Specific working principle:

[0029] When the device is in use, rotating the knob 17 drives the connecting rod and the gear 20 to rotate, the gear 20 drives the rack 19 to move towards each other, the rack 19 drives the first L-shaped rod 13 and the second L-shaped rod 14 to move towards each other, thereby driving the L-shaped baffle 12 to move away from each other until the L-shaped baffle 12 is separated from the inclined slide strip 10, a plurality of screening nets 7 can be disassembled and replaced according to the need, the iron bar 21 is clamped into the first slot and is adsorbed to the first magnetic block, which can limit the position of the L-shaped baffle 12 during the disassembly and assembly process, avoiding the left and right shaking of the L-shaped baffle 12, after the installation of the screening net 7 is completed, moving the movable plate 15 forward drives the iron bar 21 to separate from the first slot, and reversely rotating the knob 17 can drive the L-shaped baffle 12 to move close to each other and be attached, at this time, the iron bar 21 is just aligned to the second slot 22, pressing the movable plate 15 clamps the iron bar 21 into the second slot 22 and adsorbs the second magnetic block, which can limit the position of the L-shaped baffle 12 during the screening of the gravel, avoiding the left and right shaking of the L-shaped baffle 12, the operation is simple and fast, the disassembly and assembly efficiency is high, pouring the gravel into the top of the screening machine 1, the screening nets 7 of different specifications can screen the gravel according to the required particle size, the high-pressure water pump 4 can pump out the water in the water tank 3 and spray it downward along the water conveying pipe 5 and the atomizing nozzle 6, thereby reducing the dust around during the screening of the gravel.

[0030] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A stone crushing and screening machine, comprising a screening machine (1) and screening screens (7), wherein the screening machine (1) is provided with a plurality of screening screens (7), characterized in that: The disassembly and assembly component is located outside the screening screen (7). The disassembly and assembly component facilitates the disassembly and installation of multiple screening screens (7). The limiting component is located on the top of the disassembly and assembly component. The limiting component can fix the screen (7) after installation. Inclined trough (11) is symmetrically arranged inside the screening machine (1). The inclined trough (11) can prevent gravel from accumulating inside the inclined trough (11).

2. The stone crushing and screening machine according to claim 1, characterized in that: The top surface of the screening machine (1) is fixedly provided with a mounting frame (2), and a water tank (3) is fixedly installed on the top surface of the mounting frame (2). A high-pressure water pump (4) is connected to the top of the water tank (3). A water supply pipe (5) is connected to the output end of the high-pressure water pump (4). The water supply pipe (5) passes through the mounting frame (2) and is connected to multiple atomizing nozzles (6). An installation frame (8) is fixedly provided on the outside of the screening screen (7). An inclined plate (9) is fixedly provided on the top surface of the installation frame (8). Inclined slide bars (10) adapted to the inclined groove (11) are fixedly provided on the left and right sides of the installation frame (8). The inclined slide bars (10) are slidably connected to the screening machine (1) through the inclined groove (11).

3. The stone crushing and screening machine according to claim 1, characterized in that: The assembly and disassembly components include an L-shaped baffle (12), a first L-shaped rod (13), a second L-shaped rod (14), a first baffle (16), a knob (17), a rack (19), a gear (20), and a guide block (25). The screening machine (1) has a symmetrical L-shaped baffle (12) slidably connected to its front side. The first baffle (16) is fixedly installed on the side of the vertical part of the L-shaped baffle (12). The first L-shaped rod (13) and the second L-shaped rod (14) are installed through the top of the screening machine (1). The knob (17) is rotatably connected to the top surface of the screening machine (1). The screening machine (1) has a gear (20) and a symmetrical rack (19) installed inside. The guide block (25) is fixedly installed on the back of the L-shaped baffle (12).

4. The stone crushing and screening machine according to claim 3, characterized in that: One end of the first L-shaped rod (13) and the second L-shaped rod (14) are fixedly connected to the L-shaped baffle (12) respectively. A connecting rod is fixedly provided on the bottom surface of the knob (17). The bottom surface of the connecting rod is fixedly connected to the gear (20). The screening machine (1) is provided with an empty groove. The left and right sides of the screening machine (1) are respectively provided with a first through groove and a second through groove that penetrate into the empty groove. The first L-shaped rod (13) and the second L-shaped rod (14) are slidably connected to the screening machine (1) through the first through groove and the second through groove respectively. The ends of the first L-shaped rod (13) and the second L-shaped rod (14) away from the L-shaped baffle (12) are fixedly connected to the rack (19) respectively. The rack (19) meshes with the gear (20). The front of the screening machine (1) is provided with a guide groove that adapts to the guide block (25). The guide block (25) is slidably connected to the guide through the guide groove.

5. A stone crushing and screening machine according to claim 4, characterized in that: The limiting assembly includes a movable plate (15), a second baffle (18), an iron bar (21), a second slot (22), a slide bar (23), and a slide plate (24). The movable plate (15) is provided in front of the screening machine (1). Symmetrical second baffles (18) are fixedly provided on the left and right sides of the movable plate (15). Multiple iron bars (21) and slide bars (23) are fixedly provided on the back of the movable plate (15). A slide plate (24) is fixedly provided on the back of the slide bar (23). Symmetrical second slots (22) are provided on the front of the L-shaped baffle (12).

6. The stone crushing and screening machine according to claim 5, characterized in that: The L-shaped baffle (12) has a symmetrical first slot on its front side. The first slot and the second slot (22) are both adapted to the iron bar (21). The iron bar (21) is slidably connected to the L-shaped baffle (12) through the first slot and the second slot (22). The L-shaped baffle (12) has a first groove and a second groove inside that are adapted to the sliding rod (23) and the sliding plate (24). The sliding rod (23) is slidably connected to the L-shaped baffle (12) through the first groove, and the sliding plate (24) is slidably connected to the L-shaped baffle (12) through the second groove.

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