Gravel screening equipment for municipal construction

Abstract

The gravel screening equipment for municipal construction comprises a machine body shell and a screening frame arranged in the machine body shell, a supporting frame is arranged in the screening frame, and a screening net is arranged in the supporting frame; and the feeding bin is formed in the upper side of the machine body shell, a first valve is installed on the lower side of the feeding bin, and a reciprocating lead screw is connected to the left side of the screening frame. According to the gravel screening equipment for municipal construction, an effective shaking driving structure is arranged in the equipment, so that gravel is not prone to being accumulated on the surface of a screen to block the screen in the screening process, the screening treatment efficiency of the equipment is prevented from being affected by blocking, and the use efficiency of the equipment is improved; and meanwhile, in the using process of the device, gravel can be conveniently screened many times, the device can effectively conduct secondary machining on gravel which is not fully screened, the gravel treatment quality of the device is improved, and the better using effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sand and stone screening technical field, concretely is sand and stone screening equipment for municipal construction. BACKGROUND

[0002] Sand and stone screening equipment is a kind of mechanical equipment for separating sand and stone into different grades according to particle size.It realizes screening function by the relative movement of granular material and screen surface, such as;

[0003] The sand and stone screening equipment for new building provided in authorization announcement No.CN213223252U.The utility model relates to building sand screening equipment technical field, including machine body and sand screening cylinder, the inner side wall of machine body is fixedly connected with heating mechanism, the sidewall of heating mechanism is symmetrically provided with compacting mechanism, and one end of compacting mechanism is fixedly connected with cleaning device, heating mechanism and cleaning device are connected by air hose, the outer side wall of machine body is fixedly connected with hair dryer, and the air outlet of hair dryer is fixedly connected with air inlet pipe, one end of air inlet pipe is communicated with heating mechanism, the heating mechanism includes heating box, the inner side wall of heating box is fixedly connected with a plurality of heating resistance wires, the sand and stone screening equipment for new building can conveniently clean the inside of sand screening cylinder, reduce the probability of sand screening cylinder blockage, and improve work efficiency.

[0004] However, the existing sand and stone screening equipment does not have an effective shaking driving structure inside the device, which causes sand to accumulate on the surface of the screen under the condition of no force, resulting in blockage of the device, affecting the screening efficiency of the device, and reducing the use efficiency of the device.

[0005] Therefore, in view of the above problems, it is necessary to innovate and design on the basis of the original sand and stone screening equipment. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a sand and stone screening equipment for municipal construction to solve the problem that the device does not have an effective shaking driving structure inside, which causes sand to accumulate on the surface of the screen under the condition of no force, resulting in blockage of the device, affecting the screening efficiency of the device, and reducing the use efficiency of the device.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a sand and stone screening equipment for municipal construction, comprising: a machine body shell, and a screening frame arranged inside the machine body shell, the inside of the screening frame is provided with a support frame, and the inside of the support frame is provided with a screening net.

[0008] Further comprising:

[0009] The feed hopper is located on the upper side of the machine body shell, and a first valve is installed on the lower side of the feed hopper. A reciprocating screw is connected to the left side of the screening frame, and a first drive motor is installed on the rear side of the reciprocating screw. A guide rod is connected to the lower right side of the screening frame, and a raw material lifting assembly is installed on the right side of the machine body shell.

[0010] A positioning block is installed on the outside of the support frame, and a limiting rod passes through the upper side of the positioning block. A recycling rack is provided at the lower end of the screening rack, and a recycling cavity is opened inside the recycling rack. A guide block is provided on the outside of the recycling rack, and an operating handle is connected to the left side of the recycling rack. A machine door is provided at the front end of the machine body shell.

[0011] In one possible implementation, the screening rack is slidably connected to the guide rod, and the longitudinal section of the guide rod is an "I" shaped structure.

[0012] In one possible scenario, the support frame and the positioning block are engaged relative to each other, and the limiting rod is threadedly connected to both the support frame and the positioning block.

[0013] In one possible implementation, the recycling rack is slidably connected to the guide block, and the longitudinal section of the guide block has a "T" shaped structure.

[0014] In one possible implementation, the operating handle is rotatably connected to the recycling rack, and the recycling rack is engaged with the outer casing of the machine.

[0015] In one possible implementation, the raw material lifting assembly includes a lifting cavity opened on the right side of the machine body shell, and a lifting rod is provided inside the lifting cavity, with a second drive motor connected to the lower side of the lifting rod;

[0016] The lifting rod is rotatably connected to the outer casing of the machine body.

[0017] In one possible scenario, the door is rotatably connected to the outer casing of the machine body.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows: This municipal construction sand and gravel screening equipment has an effective shaking drive structure inside the device, which makes it less likely for sand and gravel to accumulate on the surface of the screen and cause blockage during the screening process. This avoids the screening efficiency being affected by blockage and improves the efficiency of the device. At the same time, it facilitates multiple screenings of sand and gravel during the use of the device, allowing the device to effectively process insufficiently screened sand and gravel for secondary processing, thereby improving the quality of sand and gravel processing and achieving better performance. Specific details are as follows:

[0019] 1、Through the first drive motor cooperation reciprocating screw rod pushes the screening frame along the guide rod inside the machine body shell fast reciprocating displacement, make the screening frame drive the screening net to the sand and stone falling in its inside to shake and screen, avoid sand and stone because of power shortage produces the screen is not complete situation, improve the screening processing effect of the device;

[0020] 2、Through the second drive motor cooperation lifting rod pushes the sand and stone entering the lifting cavity inside to the upper side displacement reenters the inside of the feed bin, make the screening frame and the screening net can repeat its screening processing, avoid sand and stone produces the screen is not sufficient situation, improve the use effect of the device;

[0021] 3、Through the rotation limiting rod, make the limiting rod rotating upwards relaxes the series connection of the support frame and the positioning block, convenient for the operator to pull out the support frame and the screening net upwards, and install the brand new support frame and the screening net on the upper side of the positioning block again, convenient for the operator to replace and maintain the damaged screening net, improve the service life of the device. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the front view sectional structure schematic view of the utility model;

[0023] Figure 2 It is the side view sectional structure schematic view of the utility model;

[0024] Figure 3 It is the plan view sectional structure schematic view of the utility model;

[0025] Figure 4 It is the utility model Figure 1 The enlarged structure schematic view of A place in the utility model;

[0026] Figure 5 It is the support frame and the positioning block connection integral sectional structure schematic view of the utility model;

[0027] Figure 6 It is the recycling frame and the recycling cavity connection integral sectional structure schematic view of the utility model.

[0028] In the drawing: 1, machine body shell; 2, non-slip foot pad; 3, feed bin; 4, first valve; 5, screening frame; 6, reciprocating screw rod; 7, first drive motor; 8, guide rod; 9, second valve; 10, sealing ring; 11, positioning block; 12, support frame; 13, limiting rod; 14, screening net; 15, lifting cavity; 16, lifting rod; 17, second drive motor; 18, recycling frame; 19, recycling cavity; 20, guide block; 21, operating handle; 22, machine door. DETAILED DESCRIPTION

[0029] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] Please refer to Figures 1-6 The utility model provides a technical scheme: a sand and stone screening equipment for municipal construction, including machine body shell 1, antiskid foot pad 2, inlet bin 3, first valve 4, screening frame 5, reciprocating silk pole 6, first drive motor 7, guide rod 8, second valve 9, sealing ring 10, positioning block 11, support frame 12, limiting rod 13, screening net 14, lifting cavity 15, lifting rod 16, second drive motor 17, recovery frame 18, recovery cavity 19, guide block 20, operating handle 21 and machine door 22.

[0031] Specifically as Figure 2 , Figure 3 And Figure 4As shown, during the use of the device, by placing the machine shell 1 and the non-slip foot pad 2 in the designated position, at this time the sand and stone materials to be screened are poured into the inside of the feeding bin 3, and the first valve 4 arranged on the lower side of the feeding bin 3 is started, so that the sand and stone stored in the inside of the feeding bin 3 is poured into the inside of the machine shell 1 along the first valve 4, at this time the sand and stone falling downward falls into the inside of the screening frame 5, so that the screening net 14 installed in the inside of the screening frame 5 screens the falling sand and stone, at this time the relatively fine sand and stone falls downward through the gap of the screening net 14 and falls into the inside of the recycling frame 18 and the recycling cavity 19, while the relatively large sand and stone is intercepted by the screening net 14 and stays on the upper side surface of the screening net 14, and the first driving motor 7 connected to the rear side of the reciprocating wire rod 6 is started, so that the first driving motor 7 drives the reciprocating wire rod 6 to rotate in the inside of the machine shell 1, so that the reciprocating wire rod 6 can effectively push the screening frame 5 to quickly reciprocate in the inside of the machine shell 1, and due to the sliding connection structure of the screening frame 5 and the guide rod 8, the screening frame 5 is guided and limited by the guide rod 8 during the forward and backward sliding displacement, so as to avoid the position deviation of the screening frame 5 during the forward and backward displacement driven by the screening frame 5, at this time the screening frame 5 driven by the high-frequency displacement drives the screening net 14 arranged in the inside of the screening frame 5 to move, so that the sand and stone intercepted on the upper side of the screening net 14 is vibrated due to the movement, avoiding the incomplete screening of the sand and stone due to insufficient power, and improving the screening treatment effect of the device; at the same time, after the use of the device is completed, the sand and stone intercepted due to the gravity stays on the right side of the screening frame 5, at this time the second valve 9 arranged in the middle of the right side of the screening frame 5 is opened, so that the intercepted sand and stone enters the inside of the lifting cavity 15 through the sealing ring 10, and the second driving motor 17 arranged on the right side of the machine shell 1 is started, so that the second driving motor 17 drives the lifting rod 16 connected to the upper side thereof to rotate in the inside of the lifting cavity 15, at this time the fast-rotating lifting rod 16 can effectively push the sand and stone deposited in the inside of the lifting cavity 15 to move upward and lift, so that the sand and stone is lifted by the lifting rod 16 and reenters the inside of the feeding bin 3, at this time the sand and stone entering the inside of the feeding bin 3 reenters the first valve 4 arranged on the lower side of the feeding bin 3 and falls into the inside of the screening frame 5 to be screened again, and the sand and stone material completely screened reenters the inside of the feeding bin 3 along the lifting rod 16, so as to facilitate the recycling treatment of the sand and stone by the operator, so as to complete the secondary screening work of the sand and stone material, avoid the incomplete screening of the sand and stone, and improve the use effect of the device.

[0032] Specifically as Figure 1 , Figure 5 and Figure 6As shown, after the device is used, the operator can conveniently pull the recycling frame 18 to the right through the operation handle 21 by rotating the operation handle 21 installed on the left side of the recycling frame 18, and due to the sliding connection structure of the recycling frame 18 and the guide block 20, the left sliding displacement of the recycling frame 18 is guided and limited by the guide block 20, so that the position deviation of the recycling frame 18 is avoided during the left displacement process, at this time, the recycling frame 18 cooperates with the recycling cavity 19 to drive the small gravel stored in the recycling frame 18 to be discharged from the device, and the machine door 22 provided at the front end of the machine body shell 1 is rotated, so that the machine door 22 is relaxed to shield and close the opening at the front end of the machine body shell 1, the operator can conveniently rotate the limiting rod 13 penetrating the upper side of the positioning block 11, and due to the threaded connection structure of the limiting rod 13, the support frame 12 and the positioning block 11, the limiting rod 13 is relaxed to be connected in series with the support frame 12 and the positioning block 11, so that the operator can conveniently pull out the support frame 12 and the screening net 14 upwards, so that the operator can conveniently and quickly maintain the screening net 14 provided in the support frame 12, and the new support frame 12 and the screening net 14 are reinstalled on the upper side of the positioning block 11, at this time, the limiting rod 13 penetrating the upper side of the positioning block 11 is repeatedly rotated, so that the limiting rod 13 is reconnected in series with the support frame 12 and the positioning block 11 by rotating downwards, so as to complete the quick disassembly and maintenance of the support frame 12 and the screening net 14, and improve the service life of the device.

[0033] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here, and the contents not described in detail in the description belong to the prior art known to the person skilled in the art.

[0034] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A municipal construction sand and gravel screening apparatus comprising: The outer shell (1) of the machine body, and the screening rack (5) provided inside the outer shell (1), wherein the screening rack (5) is provided with a support frame (12), and the support frame (12) is provided with a screening mesh (14); Its characteristic is that it further includes: The feed hopper (3) is located on the upper side of the outer shell (1) of the machine body, and a first valve (4) is installed on the lower side of the feed hopper (3). A reciprocating screw (6) is connected to the left side of the screening frame (5), and a first drive motor (7) is provided on the rear side of the reciprocating screw (6). A guide rod (8) is connected to the lower right side of the screening frame (5), and a raw material lifting assembly is provided on the right side of the outer shell (1). A positioning block (11) is installed on the outside of the support frame (12), and a limiting rod (13) passes through the upper side of the positioning block (11). A recycling rack (18) is provided at the lower end of the screening rack (5), and a recycling cavity (19) is opened inside the recycling rack (18). A guide block (20) is provided on the outside of the recycling rack (18), and an operating handle (21) is connected to the left side of the recycling rack (18). A machine door (22) is provided at the front end of the outer shell (1).

2. A sand and gravel screening device for municipal construction according to claim 1, characterized in that: The screening rack (5) is slidably connected to the guide rod (8), and the longitudinal section of the guide rod (8) is an "I" shaped structure.

3. A sand and gravel screening device for municipal construction according to claim 1, characterized in that: The support frame (12) is engaged with the positioning block (11), and the limiting rod (13) is threadedly connected to both the support frame (12) and the positioning block (11).

4. A sand and gravel screening device for municipal construction according to claim 1, characterized in that: The recycling rack (18) is slidably connected to the guide block (20), and the longitudinal section of the guide block (20) is a "T" shaped structure.

5. A sand and gravel screening device for municipal construction according to claim 1, characterized in that: The operating handle (21) is rotatably connected to the recycling rack (18), and the recycling rack (18) is engaged with the outer shell (1).

6. A sand and gravel screening device for municipal construction according to claim 1, characterized in that: The raw material lifting assembly includes a lifting cavity (15) opened on the right side of the machine body shell (1), and a lifting rod (16) is provided inside the lifting cavity (15). A second drive motor (17) is connected to the lower side of the lifting rod (16). The lifting rod (16) is rotatably connected to the outer shell (1) of the machine body.

7. A sand and gravel screening device for municipal construction according to claim 1, characterized in that: The machine door (22) is rotatably connected to the outer shell (1).

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