Screening bed facilitating sand screening
By using sealed side covers and disassembly devices on the screen bed, the sealing of the sand screening process and the rapid replacement of the sand screening net are achieved, which solves the problems of high noise and dust pollution, protects health and extends the use time of the equipment.
Patent Information
- Application Number
- CN202420503232.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-15
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-03-15
AI Technical Summary
The sand screening machines on the market are noisy and have severe dust pollution. It is difficult for traditional sand screening machines to replace the sand screening net, which cannot meet the sand and gravel requirements of different enterprises, affecting production efficiency.
A screen bed is designed to facilitate sand screening, using sealed side covers and disassembly devices. The gears and tooth structures are driven by a two-way motor to achieve rapid replacement and sealing state of the screening sand screening net, reducing air pollution and noise.
It effectively reduces air pollution and noise during sand screening, protects staff health, extends the service life of the equipment, and expands the adaptability of the production range.
Smart Images

Figure CN222197718U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of screening machinery, in particular to a screening bed which is convenient for screening sand. Background Art
[0002] Sand screening machine, also known as dry land sand screening ship, sand and gravel separator, is a sand and gravel separation equipment suitable for rivers, reservoirs, and coal yards. It consists of a hull, a frame, a reducer, a conveyor belt, a rotary screen, an engine or a motor, and is divided into drum sand screening machine, water-washing drum sand screening machine, vibrating screen sand screening machine, etc.
[0003] The existing technology has the following problems:
[0004] Most of the sand screening machines on the market are noisy, and the sand screening process is prone to generate dust, which has a great impact on the surrounding environment. At the same time, different manufacturers have different requirements for the mesh size of sand and gravel. It is difficult to replace the sand screening net of traditional sand screening machines, which is not conducive to enterprise production. Utility Model Content
[0005] The utility model provides a sieve bed which is convenient for screening sand, so as to solve the problems raised in the above background technology.
[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0007] A sieve bed convenient for screening sand comprises a sieve bed main body, wherein the left end of the sieve bed main body is movably connected with a disassembly device.
[0008] A further improvement of the technical solution of the utility model is that the sieve bed body includes a main body shell, and two hinges arranged vertically are fixedly connected to the left sides of the front and rear ends of the outer wall of the main body shell, and four legs symmetrically connected in pairs are fixedly connected to the bottom end of the outer wall of the main body shell, an observation port is opened at the central position of the front end of the outer wall of the main body shell, a main machine support platform is fixedly connected to the right end of the outer wall of the main body shell, and the top of the main machine support platform is fixedly connected to the main machine, the left end of the output shaft of the main machine passes through the right end shell of the main body shell to the inner cavity and is fixedly connected to a rotating frame, a discharge port 2 is opened at the left position of the bottom end of the main body shell, and a discharge port 1 is opened at the bottom end of the inner wall of the main body shell on the right side of the discharge port 2, a support isolation plate is arranged between the discharge port 2 and the discharge port 1, the front and rear ends of the support isolation plate are fixedly connected to the front and rear ends of the inner wall of the main body shell, and two obliquely arranged rings are fixedly connected to the top of the inner wall of the main body shell.
[0009] A further improvement of the technical solution of the utility model is that: a base ring is fixedly connected to the outer side of the rotating frame, a plurality of slots are opened at the left end of the inner wall of the base ring, a sand screening net is slidably connected to the inner walls of the plurality of slots forward and backward, a part of the rotating frame located on the inner side of the base ring is fixedly connected to the stone screening net, a support ring is movably connected to the right end of the outer wall of the base ring, the top end of the outer wall of the support ring is fixedly connected to the top end of the outer wall of the main shell, the bottom end of the outer wall of the support ring is fixedly connected to the top end of the outer wall of the support isolation plate, and the outer wall of the sand screening net is sleeved and connected to the inner walls of the two rings.
[0010] A further improvement of the technical solution of the utility model is that the left end of the outer wall of the stone screening net and the sand screening net is movably connected with a sealing side cover, the left end of the sealing side cover is fixedly connected with a pipeline, and a through hole is opened in the central position of the sealing side cover and communicated with the pipeline, and the right end of the outer wall of the pipeline is movably connected to the upper left end of the outer wall of the main shell.
[0011] A further improvement of the technical solution of the utility model is that: the disassembly device includes a movable plate, the top end of the outer wall of the movable plate is fixedly connected to the outer wall of the pipe, the left end of the pipe is fixedly connected to the feed port, the bottom end of the movable plate is movably connected to the disassembly device base, and hinges 2 are provided on the right sides of the front and rear ends of the disassembly device base and the outer wall of the movable plate, and the four hinges 2 correspond to the four hinges 1 in one-to-one position and are movably connected by bolts.
[0012] A further improvement of the technical solution of the utility model is that a bidirectional motor is fixedly connected to the central position of the bottom end of the outer wall of the movable plate, and the output shafts at the front and rear ends of the bidirectional motor are sleeved with output shaft brackets, the top ends of the outer walls of the two output shaft brackets are fixedly connected to the bottom end of the outer wall of the movable plate, the top ends of the two output shafts of the bidirectional motor on one side are fixedly connected to gears, the bottom ends of the outer walls of the two gears are meshed with teeth, and the bottom ends of the two teeth are fixedly connected to the bottom end of the inner wall of the base of the disassembly device.
[0013] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:
[0014] 1. The utility model provides a screening bed which is convenient for screening sand. Under the joint action of the main body shell, the tripod, the observation port, the main machine support platform, the main machine, the rotating frame, the discharge port 1, the discharge port 2, the supporting isolation plate, the collar, the stone screening net, the base collar, the sand screening net, the supporting ring, the sealing side cover and the pipeline, the overall equipment makes the sand and stone process in a sealed state, reduces the air pollution in the stone screening process, and reduces the noise at the same time, so as to protect the health of the staff.
[0015] 2. The utility model provides a screening bed which is convenient for screening sand. Under the joint action of a movable plate, a feed port, a disassembly device base, hinge 2, a bidirectional motor, an output shaft bracket, gears and teeth, the movable plate is moved to open the left sealed side cover, so that the sand screening net can be easily taken out, and the staff can clean, repair and replace the sand screening net of the equipment, thereby extending the service life of the equipment and expanding the production scope. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 It is a schematic diagram of the structure of the utility model;
[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the screen bed main body of the utility model;
[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the screen bed main body of the utility model;
[0020] Figure 5 It is a schematic diagram of the cross-sectional structure of the screen bed main body of the utility model;
[0021] Figure 6 It is a schematic diagram of the cross-sectional structure of the screen bed main body of the utility model;
[0022] Figure 7 It is a schematic diagram of the cross-sectional structure of the disassembly device of the utility model;
[0023] Figure 8 It is a schematic diagram of the cross-sectional structure of the disassembly device of the utility model.
[0024] In the figure: 1. Screen bed body; 2. Disassembly device; 11. Main body shell; 12. Hinge 1; 13. Tripod; 14. Observation port; 15. Main machine support platform; 16. Main machine; 17. Rotating frame; 18. Discharge port 1; 19. Discharge port 2; 21. Movable plate; 22. Feed port; 23. Disassembly device base; 24. Hinge 2; 25. Bidirectional motor; 26. Output shaft bracket; 27. Gear; 28. Tooth; 110. Support isolation plate; 111. Ring; 112. Stone screen; 113. Base ring; 114. Sand screen; 115. Support ring; 116. Sealing side cover; 117. Pipeline. DETAILED DESCRIPTION
[0025] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods:
[0026] like Figure 1-6As shown, the utility model provides a sieve bed for screening sand, including a sieve bed body 1, a disassembly device 2 is movably connected to the left end of the sieve bed body 1, and the sieve bed body 1 includes a main body shell 11, and two hinges 12 arranged vertically are fixedly connected to the left sides of the front and rear ends of the outer wall of the main body shell 11, and four two-two left-right symmetrical tripods 13 are fixedly connected to the bottom end of the outer wall of the main body shell 11, and an observation port 14 is opened at the central position of the front end of the outer wall of the main body shell 11, and a host support table is fixedly connected to the right end of the outer wall of the main body shell 11 15, the top of the main machine support platform 15 is fixedly connected with the main machine 16, the left end of the output shaft of the main machine 16 passes through the right end shell of the main shell 11 to the inner cavity and is fixedly connected with the rotating frame 17, the bottom left position of the main shell 11 is provided with a discharge port 2 19, the bottom end of the inner wall of the main shell 11 is located on the right side of the discharge port 2 19 and is provided with a discharge port 18, a support isolation plate 110 is arranged between the discharge port 2 19 and the discharge port 1 18, and the front and rear ends of the support isolation plate 110 are fixed to the front and rear ends of the inner wall of the main shell 11 The top of the inner wall of the main shell 11 is fixedly connected with two obliquely arranged collars 111, the outer side of the rotating frame 17 is fixedly connected with a base collar 113, the left end of the inner wall of the base collar 113 is provided with a plurality of slots, the inner walls of the plurality of slots are slidably connected with a sand screening net 114, the part of the rotating frame 17 located inside the base collar 113 is fixedly connected with a stone screening net 112, the right end of the outer wall of the base collar 113 is movably connected with a support ring 115, the top of the outer wall of the support ring 115 is connected to the outer wall of the main shell 11 The top of the wall is fixedly connected, the bottom end of the outer wall of the support ring 115 is fixedly connected to the top of the outer wall of the support isolation plate 110, the outer wall of the sand screening net 114 is sleeved and connected with the inner walls of the two sleeve rings 111, the left ends of the outer walls of the stone screening net 112 and the sand screening net 114 are movably connected with a sealing side cover 116, the left end of the sealing side cover 116 is fixedly connected with a pipe 117, and a through hole is opened at the central position of the sealing side cover 116 and communicated with the pipe 117, and the right end of the outer wall of the pipe 117 is movably connected to the upper left end of the outer wall of the main shell 11;
[0027] When the equipment moves, the main machine 16 drives the sand screening net 114 and the stone screening net 112 to rotate through the rotating frame 17, so that the whole is supported by the collar 111, the supporting isolation plate 110 and the sealing side cover 116. The sand and gravel entering from the pipeline 117 are first screened through the sealing side cover 116 to remove the gravel, and then screened through the sand screening net 114. Finally, the screened sand goes out from the discharge port 2 19, and the other gravel and unqualified sand and gravel go out from the discharge port 1 18. The observation port 14 on the front side is convenient for observing and testing the equipment. The overall equipment keeps the sand and gravel process in a sealed state, reduces air pollution in the stone screening process, and reduces noise, so as to protect the health of the staff.
[0028] like Figure 7-8As shown, the utility model provides a sieve bed that is convenient for screening sand. The disassembly device 2 includes a movable plate 21. The top of the outer wall of the movable plate 21 is fixedly connected to the outer wall of the pipe 117. The left end of the pipe 117 is fixedly connected to a feed port 22. The bottom end of the movable plate 21 is movably connected to a disassembly device base 23. The disassembly device base 23 and the outer wall of the movable plate 21 are both provided with hinges 24 at the right positions of the front and rear ends. The four hinges 24 correspond to the positions of the four hinges 12 one by one and are movably connected by bolts. A bidirectional motor 25 is fixedly connected to the central position of the bottom end of the outer wall of the movable plate 21. The output shafts of the bidirectional motor 25 at the front and rear ends are both sleeved with output shaft brackets 26. The top of the outer wall of the two output shaft brackets 26 is fixedly connected to the bottom end of the outer wall of the movable plate 21. The top of the outer wall of the two output shaft brackets 26 is fixedly connected to the outer wall of the movable plate 21. The top of the outer side of the two output shafts of the bidirectional motor 25 is fixedly connected to a gear 27. The outer wall bottom ends of the two gears 27 are meshed with teeth 28. The bottom ends of the two teeth 28 are fixedly connected to the inner wall bottom end of the disassembly device base 23.
[0029] When the sand screening net 114 needs to be taken out, the bolts between the hinge 12 and the observation port 14 are opened, and the bidirectional motor 25 is started. The output shafts on both sides drive the gears 27 on both sides to rotate, and the teeth 28 on the inner wall of the device base 23 are disassembled, so that the movable plate 21 moves obliquely to open the sealed side cover 116 on the left side, which makes it convenient to take out the sand screening net 114, and it is convenient for the staff to clean, repair and replace the sealed side cover 116 of the equipment, thereby extending the service life of the equipment.
[0030] The working principle of the sieve bed for screening sand is described in detail below.
[0031] like Figure 1-6 As shown, when the equipment moves, the main machine 16 drives the sand screening net 114 and the stone screening net 112 to rotate through the rotating frame 17, so that the whole is supported by the collar 111, the supporting isolation plate 110 and the sealing side cover 116. The sand and gravel entering from the pipeline 117 are first screened through the sealing side cover 116 to remove the gravel, and then screened through the sand screening net 114. Finally, the screened sand goes out from the discharge port 2 19, and the other gravel and unqualified sand and gravel go out from the discharge port 1 18. The observation port 14 on the front side is convenient for observing and testing the equipment. The overall equipment makes the sand and gravel process in a sealed state. state, reducing air pollution during the stone screening process and reducing noise, so as to protect the health of the staff. When it is necessary to take out the sand screening net 114, by opening the bolts between the hinge 12 and the observation port 14, and then starting the bidirectional motor 25, the output shafts on both sides drive the gears 27 on both sides to rotate, and the teeth 28 on the inner wall of the disassembly device base 23 are removed, and the movable plate 21 is moved obliquely to open the sealed side cover 116 on the left side, so as to facilitate the removal of the sand screening net 114, and facilitate the staff to clean, repair and replace the sand screening net 114 of the equipment, thereby extending the service life of the equipment.
[0032] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.
Claims
1. A sieve bed for sieving sand, comprising a sieve bed body (1), characterized in that: The left end of the sieve bed body (1) is movably connected with a disassembly device (2). The sieve bed body (1) includes a main body shell (11). The left sides of the front and rear ends of the outer wall of the main body shell (11) are fixedly connected with two vertically arranged hinges (12). The bottom end of the outer wall of the main body shell (11) is fixedly connected with four left-right symmetrical legs (13). An observation port (14) is provided at the central position of the front end of the outer wall of the main body shell (11). The right end of the outer wall of the main body shell (11) is fixedly connected with a main machine support platform (15). The top of the main machine support platform (15) is fixedly connected with a main machine (16). The left end of the output shaft of the main machine (16) passes through the right end shell of the main body shell (11) to the inner cavity and is fixedly connected with a rotating frame (17). The bottom left of the main body shell (11) is provided with a discharge port (19). The bottom end of the inner wall of the main body shell (11) is located at the discharge port (19). A discharge port 1 (18) is provided on the right side of the main body shell (11), a support isolation plate (110) is provided between the discharge port 2 (19) and the discharge port 1 (18), the front and rear ends of the support isolation plate (110) are fixedly connected to the front and rear ends of the inner wall of the main body shell (11), the top of the inner wall of the main body shell (11) is fixedly connected to two obliquely arranged rings (111), the disassembly device (2) comprises a movable plate (21), the top of the outer wall of the movable plate (21) is fixedly connected to the outer wall of the pipe (117), the left end of the pipe (117) is fixedly connected to the feed port (22), the bottom end of the movable plate (21) is movably connected to a disassembly device base (23), the disassembly device base (23) and the outer wall of the movable plate (21) are both provided with hinges 2 (24) at the right positions of the front and rear ends, the four hinges 2 (24) correspond to the positions of the four hinges 1 (12) and are movably connected by bolts.
2. A sieve bed for sieving sand according to claim 1, characterized in that: The outer side of the rotating frame (17) is fixedly connected to a base ring (113), the inner wall left end of the base ring (113) is provided with a plurality of slots, the inner walls of the plurality of slots are slidably connected to sand screening nets (114) in the forward and backward directions, the portion of the rotating frame (17) located inside the base ring (113) is fixedly connected to a stone screening net (112), the outer wall right end of the base ring (113) is movably connected to a support ring (115), the outer wall top end of the support ring (115) is fixedly connected to the outer wall top end of the main body shell (11), the outer wall bottom end of the support ring (115) is fixedly connected to the outer wall top end of the support isolation plate (110), and the outer wall of the sand screening net (114) is sleeved and connected to the inner walls of the two rings (111).
3. A sieve bed for sieving sand according to claim 2, characterized in that: The left ends of the outer walls of the stone screening net (112) and the sand screening net (114) are movably connected to a sealing side cover (116), the left end of the sealing side cover (116) is fixedly connected to a pipe (117), and a through hole is opened at the central position of the sealing side cover (116) and communicated with the pipe (117), and the right end of the outer wall of the pipe (117) is movably connected to the upper left end of the outer wall of the main shell (11).
4. A sieve bed for sieving sand according to claim 1, characterized in that: A bidirectional motor (25) is fixedly connected to the center of the bottom end of the outer wall of the movable plate (21); the output shafts at both the front and rear ends of the bidirectional motor (25) are sleeved with output shaft brackets (26); the top ends of the outer walls of the two output shaft brackets (26) are fixedly connected to the bottom end of the outer wall of the movable plate (21); the top ends of the two output shafts of the bidirectional motor (25) on the outer side are fixedly connected to gears (27); the bottom ends of the outer walls of the two gears (27) are meshed with teeth (28); the bottom ends of the two teeth (28) are fixedly connected to the bottom end of the inner wall of the disassembly device base (23).
