Sandstone separator
By using designs such as covers, baffles, and force-applying wheels in the sand and gravel separator, the problem of sand and gravel slipping and scattering on the conveyor belt is solved, achieving stable conveying and stacking effects.
Patent Information
- Application Number
- CN202520179848.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-05
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-05
AI Technical Summary
In existing sand and gravel separators, sand and gravel are prone to slipping or detaching from the conveyor belt during the conveying process, which can lead to blockage of the discharge port. Furthermore, traditional conveying methods can easily cause sand and gravel to scatter.
The design employs a sealed baffle to close the openings between the baffles, combined with a stone retaining plate and a force-applying wheel, to ensure stable transport of sand and gravel on the conveyor belt and stable stacking through a receiving platform and receiving bin.
It improves the stability of sand and gravel on the conveyor belt, prevents slippage and scattering, ensures that the discharge port is not easily blocked, and realizes stable stacking and convenient transfer of sand and gravel.
Smart Images

Figure CN223800958U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of vibrating screen, in particular to a sand and stone separator. BACKGROUND
[0002] The sand and stone separator, namely sand and stone screening machine, is a kind of screening machine used for screening sand and stone mixture with different particle sizes to obtain sand with smaller particles and sand and stone with larger particles, and the commonly used one is vibrating screen.
[0003] The sand and stone separator is generally provided with at least two discharge outlets for outputting different materials screened, and the screened sand and stone is generally directly outputted away from stacking or transported to other positions by a conveying belt for stacking, and the materials need to be handled as soon as possible after a certain period of time for in-situ stacking, otherwise, the high stacked materials may block the discharge outlet of the sand and stone separator, especially the larger sand and stone which is stacked faster, and the general solution is to lift the sand and stone by the inclined conveying belt and then output it away from the sand and stone separator, so as to stack higher sand and stone piles, and the sand and stone is limited to separate from the conveying belt by the baffle on both sides of the conveying belt.
[0004] The sand and stone may fall off, especially in the lifting mode, and the sand and stone may jump off the conveying belt if it falls off from the high conveying belt. Practical new type content
[0005] In order to make the sand and stone more stable on the conveying belt, the present application provides a sand and stone separator.
[0006] The sand and stone separator provided by the present application adopts the following technical scheme:
[0007] A sand and stone separator, comprising a screening main body, a conveying assembly and a receiving platform, the screening main body is provided with at least one sand outlet and one sand and stone outlet, the conveying assembly comprises a conveying belt, the conveying belt is provided with baffles on both sides along the conveying direction, the baffles on both sides are provided with a cover between them, the cover closes the opening between the two baffles, the conveying belt comprises a lower horizontal conveying part, an inclined conveying part and an upper horizontal conveying part in sequence, the lower horizontal conveying part is provided with a receiving port for receiving sand and stone, the sand and stone outlet of the screening main body conveys sand and stone into the receiving port, the upper horizontal conveying part is located on the receiving platform, the inclined conveying part is inclined for lifting sand and stone, and the receiving platform is provided with a rock falling hole at the output position of the upper horizontal conveying part.
[0008] The technical scheme is adopted, the opening above the two baffles is closed by the cover, the stones are blocked between the baffles, the stones are more stable on the conveying belt and are not easy to fall out of the conveying belt between the two baffles, the receiving platform is used for placing the upper horizontal conveying part of the conveying belt, the lower horizontal conveying part of the conveying belt is used for receiving the sand and stones screened by the screening main body, the lower horizontal conveying part is arranged instead of the whole conveying belt being inclined, so that the sand and stones are caught at the lower horizontal conveying belt and are not easy to slide off the conveying belt, the receiving platform is provided with the rockfall hole, and the stacking of the sand and stones below the receiving platform is realized.
[0009] Optionally, the conveying belt is provided with a boulder plate moving along the conveying direction, the boulder plate divides the space between the two baffles into conveying bins one by one, and the boulder plate continuously moves along the conveying direction of the conveying belt, so that the sand and stones in the conveying bins continuously move.
[0010] The technical scheme is adopted, the boulder plate applies force to the sand and stones, so that the sand and stones are more stable on the conveying belt.
[0011] Optionally, the conveying belt comprises a ring-shaped conveying belt body, a conveying belt support for mounting the conveying belt body, and a driving member for driving the ring-shaped conveying belt body to continuously move, the baffle is a soft rubber plate, the baffle is fixed to the conveying belt body, and the boulder plate is fixed to the baffles on both sides.
[0012] The technical scheme is adopted, the baffle is directly fixed to the conveying belt body, so that the sand and stones are not easy to be stuck in the gap between the conveying belt body and the baffle, and the boulder plate is better fixed by the baffle.
[0013] Optionally, the cover is fixed to the conveying belt support, the cross section of the cover is U-shaped, and the opening of the cover faces the conveying belt body.
[0014] The technical scheme is adopted, the cover is fixed to the conveying belt support without affecting the conveying belt body, and the space between the cover and the conveying belt body can be larger, so that the sand and stones are not easy to be stuck between the boulder plate and the cover.
[0015] Optionally, the cover extends to the position of the rockfall hole and surrounds the outer edge of the rockfall hole.
[0016] The technical scheme is adopted, the rockfall hole is surrounded by the cover, so that the sand and stones are not easy to fall on the receiving platform, and the sand and stones are better guided below the receiving platform.
[0017] Optionally, a force applying wheel is arranged at the joint position of the lower horizontal conveying part and the inclined conveying part, the force applying wheel is rotatably installed on the conveying belt support, and the outer periphery of the force applying wheel abuts against the conveying belt body.
[0018] By adopting the technical scheme, the force is applied to abut against the conveying belt body, the conveying belt body is pressed by the force wheel, the conveying belt body is kept bent, the abutting force of the conveying belt body on the cover at the joint is reduced, and the wear of the conveying belt body is reduced. The force wheel is rotationally connected, so that the force wheel rotates under the driving of the conveying belt body and does not slide relative to the conveying belt body.
[0019] Optionally, a receiving bin is arranged below the receiving platform, and a full-fall slot is formed in one side of the upper part of the receiving bin.
[0020] By adopting the technical scheme, the receiving bin is arranged below the receiving platform, and a certain amount of sand and stones is received by the receiving bin. When the receiving bin is full, the sand and stones in the receiving bin overflow through the full-fall slot and fall to the ground for stacking, and the receiving bin plays a role in collecting sand and stones.
[0021] Optionally, the bottom of the receiving bin is higher than the bottom of the receiving platform, a discharge port is formed in the bottom of the receiving bin, and a sealing plate is slidably installed on the receiving bin to seal the discharge port.
[0022] By adopting the technical scheme, the receiving bin can take out sand and stones through the discharge port, and the discharge port is higher than the bottom of the receiving platform, so that the sand and stones falling through the discharge port are conveniently received.
[0023] In summary, the opening above the two baffles is sealed by the cover, so that the stones are blocked between the baffles, the stones on the conveying belt are more stable, and the stones are not easy to fall out of the two baffles and fall outside the conveying belt. The receiving platform is provided for the upper horizontal conveying part of the conveying belt, and the lower horizontal conveying part of the conveying belt is used to receive the sand and stones screened by the screening main body. The lower horizontal conveying part is arranged instead of the entire conveying belt being inclined, so that the sand and stones are caught at the lower horizontal conveying belt and do not slide off the conveying belt. The receiving platform is provided with the rock falling hole, so that the sand and stones are stacked below the receiving platform. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 is a structure schematic view of a sand and stone separator in the embodiment of the present application;
[0025] Figure 2 is a structure schematic view of a sand and stone separator in the embodiment of the present application; Figure 1 is an enlarged view of A in FIG. 1;
[0026] Figure 3 is a structure schematic view of a conveying assembly and a receiving platform in the embodiment of the present application;
[0027] Figure 4 is an enlarged view of B in FIG. 2; Figure 3
[0028] Figure 5 is a sectional view of the receiving platform in the embodiment of the present application;
[0029] Figure 6 is Figure 3 is an enlarged view at C in FIG. 1.
[0030] Reference signs: 1, screening main body; 11, sand output port; 12, gravel output port; 13, screen; 2, conveying assembly; 21, conveying belt body; 22, conveying belt support; 23, baffle; 24, boulder plate; 25, conveying bin; 3, receiving platform; 31, platform plate; 32, stand; 33, reinforcing rod; 34, inclined rod; 35, railing; 36, stairs; 37, rockfall hole; 4, receiving pit; 51, lower horizontal conveying part; 52, inclined conveying part; 53, upper horizontal conveying part; 54, receiving bucket; 55, receiving port; 56, support column; 57, guide bucket; 58, force applying wheel; 6, cover; 7, receiving bin; 71, main receiving bin; 72, overflow bin; 73, discharging pipe; 74, discharging port; 75, chute; 76, sealing plate; 78, force applying protrusion; 79, overflow chute. DETAILED DESCRIPTION
[0031] The following will be described in detail below with reference to the accompanying Figures 1-6 The present application will be described in further detail.
[0032] The embodiment of the present application discloses a sand and gravel separator.
[0033] With reference to Figure 1 and Figure 2 A sand and gravel separator comprises a screening main body 1, a conveying assembly 2 and a receiving platform 3, wherein the screening main body 1 is preferably a vibrating screen in the embodiment, the screening main body 1 is placed on the ground and is in contact with the ground, the screening main body 1 is provided with two output ports in the embodiment, one output port is located at the bottom in a funnel shape and is used for outputting smaller particles of sand and is set as a sand output port 11, and the other output port is located at a lower position of a screen 13 of the screening main body 1 and is set as a gravel output port 12, wherein the screen 13 of the screening main body 1 can be exposed or closed by a cover, and the screen 13 of the screening main body 1 is preferably exposed in the embodiment.
[0034] The screening main body 1 is provided with a receiving pit 4 corresponding to the position of the sand output port 11, the receiving pit 4 is used for receiving sand, a conveying mechanism can be further arranged above the receiving pit 4 to convey the sand, a container can be used to receive the sand from below the sand output port 11 and then take out the sand from the receiving pit 4, and the screening main body 1 can be in a form of being raised to expose the sand output port 11.
[0035] With reference to Figure 3The receiving platform 3 comprises a horizontal platform plate 31, four columns 32, eight reinforcing rods 33 and two inclined rods 34. The four columns 32 are arranged at the four corners of the platform plate 31 to support the platform plate 31. The eight reinforcing rods 33 are arranged between two columns 32 and fixed to the two columns 32 at the two ends of the reinforcing rods 33. The two inclined rods 34 are arranged at the two sides of the platform plate 31. One end of the inclined rod 34 is fixed to the upper reinforcing rod 33 and the column 32, and the other end of the inclined rod 34 is fixed to the lower reinforcing rod 33 and the column 32. The receiving platform 3 is further provided with a railing 35 and a staircase 36. The railing 35 surrounds three sides of the platform. The staircase 36 is arranged at the side of the platform plate 31 which is not surrounded by the railing 35. The two staircases 36 are arranged at the left and right sides of the platform. The two inclined rods 34 are arranged at the positions corresponding to the two sides of the staircase 36.
[0036] With reference to Figure 3 and Figure 4 The conveying assembly 2 comprises a conveying belt. In the embodiment, the conveying belt is a nylon conveying belt which comprises a ring-shaped conveying belt body 21, a conveying belt support 22 for mounting the conveying belt body 21 and a driving member for driving the conveying belt body 21 to move continuously. The driving member can be a motor. The rollers on the conveying belt support 22 are driven by the driving member to drive the conveying belt body 21 to move continuously.
[0037] The conveying belt body 21 is integrally provided with a baffle 23 on both sides in the conveying direction. The baffle 23 is made of nylon rubber and has a wave-shaped folding structure at the horizontal position of the conveying belt body 21 and an unfolded structure at the turning position of the conveying belt body 21. A boulder plate 24 is arranged between the baffles 23 on both sides of the conveying belt body 21. The boulder plate 24 is also made of nylon rubber and integrally arranged on both sides of the baffles 23. The boulder plate 24 is integrally arranged on the lower side of the conveying belt body 21. A hard framework can be arranged in the boulder plate 24.
[0038] The space between the two baffles 23 is a conveying bin 25. The boulder plate 24 moves continuously along the conveying direction of the conveying belt, thereby driving the sand and stones in the conveying bin 25 to move continuously. Since the conveying belt body 21, the baffles 23 and the boulder plate 24 are integrally arranged, there is no gap at the bottom of the conveying bin 25.
[0039] The conveying belt in this embodiment includes, in sequence in the conveying direction, a lower horizontal conveying part 51, an inclined conveying part 52, and an upper horizontal conveying part 53. The conveying direction of the lower horizontal conveying part 51 and the upper horizontal conveying part 53 is horizontal conveying, and the conveying direction of the inclined conveying part 52 is inclined upward. The lower horizontal conveying part 51 is used to receive the gravel output by the gravel output port 12 of the screening main body 1. Specifically, the height of the lower horizontal conveying part 51 is lower than the bottom of the receiving platform 3. The receiving pit 4 below the screening main body 1 can extend a certain distance in the direction of the gravel output to accommodate the lower horizontal conveying part 51. An receiving hopper 54 is arranged above the conveying belt body 21 of the lower horizontal conveying part 51. The receiving hopper 54 is in the shape of a funnel above the area between the two baffles 23. The opening above the receiving hopper 54 is the receiving port 55. Support columns 56 are arranged on both sides of the receiving hopper 54 in the conveying direction to fix the receiving hopper 54 to the conveying belt support 22, thereby supporting the receiving hopper 54. Meanwhile, a guide hopper 57 is also fixed to the conveying belt support 22. The guide hopper 57 is arranged with the upper part open and the two sides protruding. The upper part of the guide hopper 57 has a larger opening to receive the gravel output by the gravel output port 12. The lower part of the guide hopper 57 has a smaller opening to convey the gravel into the receiving hopper 54. The opening width of the lower part of the guide hopper 57 is smaller than the opening width of the receiving hopper 54.
[0040] A force wheel 58 is arranged at the position where the lower horizontal conveying part 51 and the inclined conveying part 52 meet. The force wheel 58 is in the shape of a disc. The force wheel 58 is rotatably installed on the conveying belt support 22, and the outer periphery of the force wheel 58 abuts against the conveying belt body 21. In this embodiment, the width of the conveying belt body 21 is greater than the distance between the two baffles 23, so that the two sides of the conveying belt body 21 protrude into the area surrounded by the two baffles 23. Two force wheels 58 are also arranged outside the two baffles 23 and are installed on the same shaft.
[0041] Referring to Figure 3 , Figure 4 and Figure 5 , the upper horizontal conveying part 53 is installed on the platform plate 31 of the receiving platform 3. The platform plate 31 of the receiving platform 3 is provided with a rockfall hole 37 at the output position of the upper horizontal conveying part 53. The conveying assembly 2 is located between the two staircases 36.
[0042] A cover 6 is further arranged above the two baffles 23. The cover 6 closes the opening between the two baffles 23. Specifically, the cross section of the cover 6 is in the shape of an inverted U. The opening of the cover 6 faces the conveying belt body 21. The two sides of the cover 6 in the conveying direction of the conveying belt are fixed to the conveying belt support 22 by the support columns 56. The cover 6 is arranged along the conveying direction of the conveying belt. The lower end of the cover 6 abuts against the side wall of the receiving hopper 54. The upper end of the cover 6 extends to the position of the rockfall hole 37 and surrounds the outer edge of the rockfall hole 37, and extends vertically to the surface of the conveying belt body 21, so that the gravel is completely brought into the rockfall hole 37.
[0043] With reference to Figure 3 、 Figure 5 and Figure 6 , the receiving platform 3 is provided with a receiving bin 7 below the platform plate 31, the receiving bin 7 includes two parts of a main receiving bin 71 and an overflow bin 72, wherein the cross section of the main receiving bin 7 is triangular, the two ends of the main receiving bin 7 pass through the triangular area surrounded between the column 32, the reinforcing plate and the inclined rod 34, and the inclined surface of the main receiving bin 7 faces the conveying assembly 2, the lower side of the vertical surface of the main receiving bin 7 facing the conveying assembly 2 is protrudingly provided with a discharging pipe 73 and is higher than the ground by a certain height, the opening of the discharging pipe 73 is provided as a discharging port 74, the side wall of the discharging pipe 73 is provided with a chute 75, the chute 75 is slidably installed with a sealing plate 76 sealing the discharging port 74, and the sealing plate 76 is provided with a force applying protrusion 78 away from the side wall of the receiving bin 7.
[0044] The overflow bin 72 is located above the receiving bin 7, the upper end surface of the overflow bin 72 is open and corresponds to the falling hole, the sand and gravel enters the main receiving bin 71 through the overflow bin 72, the side of the overflow bin 72 away from the conveying assembly 2 extends outward and overhangs, the side wall of the overflow bin 72 away from the conveying assembly 2 is provided with a full-falling chute 79, and the lower side wall of the full-falling chute 79 is inclined.
[0045] When the main receiving bin 7 is full, the sand and gravel can be output through the full-falling chute 79 to be stacked in place, or can be directly received and transported away by a transport tool, and the discharging port 74 of the main receiving bin 7 can be used to transfer the sand and gravel in the main receiving bin 7 when needed or convenient.
[0046] The implementation principle of the sand and gravel separator according to the embodiment of the application is that the screening main body 1 screens the sand and gravel, and the sand and gravel is conveyed away by the conveying belt, in this process, the sand and gravel on the conveying belt is limited by the cover 6, the baffle 23 and the boulder plate 24, so as to keep stable on the conveying belt.
[0047] The above are the preferred embodiments of the application, which do not limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape and principle of the application should be covered within the protection scope of the application.
Claims
1. A grit separator, characterised in that: The application relates to a sand and gravel screening and conveying device, which comprises a screening body (1), a conveying assembly (2) and a receiving platform (3), the screening body (1) is provided with at least one sand outlet (11) and one gravel outlet (12), the conveying assembly (2) comprises a conveying belt, the conveying belt is provided with baffle plates (23) on both sides along the conveying direction, the baffle plates (23) on both sides are provided with a cover (6) between the baffle plates (23), the cover (6) closes the opening between the two baffle plates (23), the conveying belt comprises a lower horizontal conveying part (51), an inclined conveying part (52) and an upper horizontal conveying part (53) in sequence, the lower horizontal conveying part (51) is provided with a receiving port (55) for receiving gravel, the gravel outlet (12) of the screening body (1) conveys gravel into the receiving port (55), the upper horizontal conveying part (53) is located on the receiving platform (3), the inclined conveying part (52) is arranged in an inclined mode for lifting gravel, and the receiving platform (3) is provided with a rock falling hole (37) at the output position of the upper horizontal conveying part (53).
2. A grit separator as claimed in claim 1, characterised in that: The conveying belt is provided with a boulder plate (24) moving along the conveying direction, the boulder plate (24) divides the space between the two baffle plates (23) into conveying bins (25) one by one, and the boulder plate (24) continuously moves along the conveying direction of the conveying belt, thereby continuously moving the gravel in the conveying bins (25).
3. A grit separator as claimed in claim 2, characterised in that: The conveying belt comprises a ring-shaped conveying belt body (21), a conveying belt support (22) for mounting the conveying belt body (21) and a driving member for driving the ring-shaped conveying belt body (21) to continuously move, the baffle plate (23) is a soft rubber plate, the baffle plate (23) is fixed to the conveying belt body (21), and the boulder plate (24) is fixed on both sides of the baffle plate (23).
4. A grit separator as claimed in claim 3, characterised in that: The cover (6) is fixed to the conveying belt support (22), and the cross section of the cover (6) is in a U shape, and the opening of the cover (6) faces the conveying belt body (21).
5. A grit separator as claimed in claim 1, characterised in that: The cover (6) extends to the position of the rock falling hole (37) and surrounds the outer edge of the rock falling hole (37).
6. A grit separator as claimed in claim 3, characterised in that: The position, where the lower horizontal conveying part (51) and the inclined conveying part (52) meet, is provided with a force applying wheel (58), the force applying wheel (58) is rotatably installed on the conveying belt support (22), and the outer periphery of the force applying wheel (58) abuts against the conveying belt body (21).
7. A grit separator as claimed in claim 1, characterised in that: The receiving platform (3) is provided below with a receiving bin (7), and the upper side of the receiving bin (7) is provided with a full-falling slot (79).
8. A grit separator according to claim 7, characterised in that: The bottom of the receiving bin (7) is higher than the bottom of the receiving platform (3), and the bottom of the receiving bin (7) is provided with a discharging port (74), and the receiving bin (7) is slidably installed with a sealing plate (76) for sealing the discharging port (74).