A material feeding device for crushed stone mining and conveying capable of screening

Abstract

The utility model relates to the technical field of crushed stone screening, and discloses a screening crushed stone mining and conveying feeding device, comprising a base, two sides of the top of the base are respectively fixedly connected with support plates, a screening drum is arranged above the base, a driving gear on a rotating rod is driven to rotate by starting a direct-drive motor, and the screening drum is driven to rotate by a meshing driven gear, so as to facilitate the transportation of crushed stones inside the screening drum through a spiral push plate, so that the crushed stones roll inside the screening drum, so that the crushed stones can be fully screened, and a first screening hole and a second screening hole are arranged, so that when the crushed stones pass through the first screening hole and the second screening hole, they are screened in order from small to large, so as to achieve the purpose of screening.

Description

Technical Field

[0001] The utility model relates to the technical field of crushed stone screening, in particular to a material feeding device for crushed stone mining and transportation which can be screened. Background Art

[0002] Crushed stone usually refers to small crushed stones, which may be naturally formed or artificially broken by crushing devices. Crushed stone is an essential material for concrete. Depending on the place where the concrete is required to be used, the size of the crushed stone added to it is also different.

[0003] Prior art publication number: CN212310058U, provides a technical solution: a screening crushed stone mining and conveying unloading device, including a screening device housing, a rotating shaft, a driving wheel, a first electric telescopic rod and a fixed plate, a feed port is installed at the top of the screening device housing, and a partition plate is welded on the screening device housing, and a motor is placed on the partition plate, the rotating shaft and the motor are interconnected, and the rotating shaft is installed on the partition plate, and the rotating shaft and the screening device housing are interconnected, and a feeding plate is installed on the rotating shaft, and the driving wheel is installed on the rotating shaft, and a driven wheel is installed on the rotating shaft, and the driven wheel is meshed and connected with the driving wheel. The screening crushed stone mining and conveying unloading device realizes intermittent feeding of the crushed stone through the driving wheel and the driven wheel, so that there is enough time to screen the crushed stone, and the position of the screening plate is changed through the first electric telescopic rod, so as to realize unloading.

[0004] but:

[0005] In this scheme, the screening plate is driven to vibrate through the extension and retraction of the electric telescopic rod for screening. First, the electric telescopic rod is used as a driving force, which drives the screening plate to vibrate at a low frequency, resulting in a general screening effect and the screening plate is easily blocked. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] In view of the deficiencies of the prior art, the utility model provides a screening crushed stone mining and conveying feeding device.

[0008] (II) Technical solution

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a screening crushed stone mining and conveying unloading device comprises a base, two sides of the top of the base are fixedly connected with support plates respectively, a screening drum is arranged above the base, and two ends of the outer wall of the screening drum are rotatably connected with the inner wall of the support plate at corresponding positions respectively, a support frame is fixedly connected to the front side of the top of the base, a direct-drive motor is fixedly connected to the top of the support frame, an output end of the direct-drive motor is fixedly connected to a rotating rod through a coupling, a driving gear is fixedly sleeved on the outer wall of the rotating rod, a driven gear is meshedly connected below the driving gear, the driven gear is fixedly sleeved on the outer wall of the screening drum, a spiral push plate is fixedly connected to the inner wall of the screening drum, the driving gear on the rotating rod is driven to rotate by starting the direct-drive motor, and the screening drum is driven to rotate by the meshing driven gear, so as to facilitate the transportation of crushed stones inside the screening drum through the spiral push plate, so that the crushed stones roll inside the screening drum, so that the crushed stones can be fully screened.

[0010] Preferably, a second screening hole is opened on the front side of the screening cylinder wall, and a first screening hole is opened on the back side of the screening cylinder wall. By setting the first screening hole and the second screening hole, when the crushed stones pass through the first screening hole and the second screening hole, they are screened in sequence from small to large, so as to achieve the purpose of screening.

[0011] Preferably, a feed pipe is rotatably connected to the back of the screening cylinder, and the feed pipe is fixedly connected to the top of the base through a support rod, and the feed pipe is used for adding crushed stone.

[0012] Preferably, a row of knocking blocks for knocking the outer wall of the screening cylinder is fixedly connected to the outer wall of the rotating rod. By arranging the knocking blocks on the outer wall of the rotating rod, the knocking blocks can be driven to knock on the screening cylinder through the rotation of the rotating rod, so that the screening cylinder vibrates to avoid blockage of the first screening hole and the second screening hole.

[0013] Preferably, the knocking block is composed of a connecting block, a sliding block, and a spring. The sliding block is slidably connected to the inner wall of the connecting block, and the spring is fixedly connected to a position between the sliding block and the inner wall of the connecting block.

[0014] Preferably, the outer wall of the rotating rod is rotatably connected to a support block, and the support block is fixedly connected to a support plate at a corresponding position.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a screening crushed stone mining and conveying feeding device, which has the following beneficial effects:

[0017] 1. A screening crushed stone mining and conveying feeding device drives the driving gear on the rotating rod to rotate by starting the direct drive motor, and drives the screening drum to rotate by the meshing driven gear, so as to facilitate the transportation of the crushed stone inside the screening drum through the spiral push plate, so that the crushed stone rolls inside the screening drum, so that the crushed stone can be fully screened, and the first screening hole and the second screening hole are set, so that the crushed stone is screened from small to large in sequence when passing through the first screening hole and the second screening hole, so as to achieve the purpose of screening.

[0018] 2. The material feeding device for crushed stone mining and conveying that can be screened is provided with a knocking block on the outer wall of the rotating rod, so that the knocking block is driven by the rotation of the rotating rod to knock on the screening cylinder, causing the screening cylinder to vibrate, thereby avoiding blockage of the first screening hole and the second screening hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is the front view of the utility model;

[0021] Figure 2 It is a partial cross-sectional view of the striking block of the utility model;

[0022] Figure 3 It is a partial cross-sectional view of the screening cylinder of the utility model.

[0023] In the figure: 1. base; 2. support plate; 3. screening cylinder; 31. spiral push plate; 32. first screening hole; 33. second screening hole; 4. feed pipe; 41. support rod; 5. support frame; 51. direct drive motor; 510. rotating rod; 511. knocking block; 5111. connecting block; 5112. sliding block; 5113. spring; 512. support block; 52. driven gear; 53. driving gear. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Example 1

[0026] like Figure 1-3As shown, the utility model provides a screening crushed stone mining and conveying feeding device, comprising a base 1, support plates 2 are fixedly connected to both sides of the top of the base 1, a screening drum 3 is arranged above the base 1, and the two ends of the outer wall of the screening drum 3 are rotatably connected to the inner wall of the support plate 2 at the corresponding position, a support frame 5 is fixedly connected to the front of the top of the base 1, a direct drive motor 51 is fixedly connected to the top of the support frame 5, the output end of the direct drive motor 51 is fixedly connected to a rotating rod 510 through a coupling, a driving gear 53 is fixedly sleeved on the outer wall of the rotating rod 510, a driven gear 52 is meshedly connected to the lower part of the driving gear 53, the driven gear 52 is fixedly sleeved on the outer wall of the screening drum 3, the inner wall of the screening drum 3 is fixedly connected to the spiral push plate 31, and the direct drive motor 51 is started by starting the set 51 drives the driving gear 53 on the rotating rod 510 to rotate, and drives the screening drum 3 to rotate through the meshing driven gear 52, so as to facilitate the transportation of the internal crushed stones of the screening drum 3 through the spiral push plate 31, so that the crushed stones roll inside the screening drum 3, so that the crushed stones can be fully screened, and a second screening hole 33 is opened at the front position of the screening drum wall 3, and a first screening hole 32 is opened at the back position of the screening drum wall 3. By setting the first screening hole 32 and the second screening hole 33, when the crushed stones pass through the first screening hole 32 and the second screening hole 33, they are screened in sequence from small to large, so as to achieve the purpose of screening, and the back side of the screening drum 3 is rotatably connected with a feed pipe 4, and the feed pipe 4 is fixedly connected to the top of the base 1 through a support rod 41, and the feed pipe 4 is used to add crushed stones.

[0027] In this embodiment, the driving gear 53 on the rotating rod 510 is driven to rotate by starting the direct drive motor 51, and the meshing driven gear 52 is used to drive the screening drum 3 to rotate, so as to facilitate the transportation of the internal crushed stones of the screening drum 3 by the spiral push plate 31, so that the crushed stones roll inside the screening drum 3, so that the crushed stones can be fully screened, and the first screening hole 32 and the second screening hole 33 are set, so that when the crushed stones pass through the first screening hole 32 and the second screening hole 33, they are screened in sequence from small to large, so as to achieve the purpose of screening.

[0028] Example 2

[0029] like Figure 1-3As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a row of knocking blocks 511 for knocking the outer wall of the screening cylinder 3 are fixedly connected to the outer wall of the rotating rod 510, and the knocking blocks 511 are arranged on the outer wall of the rotating rod 510, so that the knocking blocks 511 are driven by the rotation of the rotating rod 510 to knock on the screening cylinder 3, so that the screening cylinder 3 vibrates to avoid blockage of the first screening hole 32 and the second screening hole 33. The knocking block 511 is composed of a connecting block 5111, a slider 5112, and a spring 5113. The slider 5112 is slidably connected to the inner wall of the connecting block 5111, and the spring 5113 is fixedly connected to the position between the slider 5112 and the inner wall of the connecting block 5111. The outer wall of the rotating rod 510 is rotatably connected to the support block 512, and the support block 512 is fixedly connected to the support plate 2 at the corresponding position.

[0030] In this embodiment, a knocking block 511 is provided on the outer wall of the rotating rod 510 so that the knocking block 511 can knock on the screening cylinder 3 by the rotation of the rotating rod 510, so that the screening cylinder 3 vibrates to avoid blockage of the first screening hole 32 and the second screening hole 33.

[0031] The working principle of this material feeding device for sieving gravel mining and transportation is described in detail below.

[0032] like Figure 1-3 As shown, when in use, the driving gear 53 on the rotating rod 510 is driven to rotate by starting the direct drive motor 51, and the meshing driven gear 52 is used to drive the screening drum 3 to rotate, so as to facilitate the transportation of the internal crushed stones of the screening drum 3 through the spiral push plate 31, so that the crushed stones roll inside the screening drum 3, so that the crushed stones can be fully screened, and the first screening hole 32 and the second screening hole 33 are provided, so that when the crushed stones pass through the first screening hole 32 and the second screening hole 33, they are screened in sequence from small to large, so as to achieve the purpose of screening, and the knocking block 511 is provided on the outer wall of the rotating rod 510, so as to facilitate the knocking block 511 to knock on the screening drum 3 through the rotation of the rotating rod 510, so that the screening drum 3 vibrates, so as to avoid the first screening hole 32 and the second screening hole 33 from being blocked.

Claims

1. A material feeding device for crushed stone mining and transportation capable of being screened, comprising a base (1), characterized in that: The top two sides of the base (1) are respectively fixedly connected with support plates (2); a screening drum (3) is arranged above the base (1), and the two ends of the outer wall of the screening drum (3) are respectively rotatably connected to the inner wall of the support plate (2) at the corresponding position; a support frame (5) is fixedly connected to the front of the top of the base (1); a direct drive motor (51) is fixedly connected to the top of the support frame (5); the output end of the direct drive motor (51) is fixedly connected to a rotating rod (510) through a coupling; a driving gear (53) is fixedly sleeved on the outer wall of the rotating rod (510); a driven gear (52) is meshingly connected below the driving gear (53); the driven gear (52) is fixedly sleeved on the outer wall of the screening drum (3); and a spiral push plate (31) is fixedly connected to the inner wall of the screening drum (3).

2. A material feeding device for sieving crushed stone mining and transportation according to claim 1, characterized in that: A second screening hole (33) is provided on the front side of the screening cylinder (3) wall, and a first screening hole (32) is provided on the back side of the screening cylinder (3) wall.

3. A material feeding device for sieving crushed stone mining and transportation according to claim 1, characterized in that: The back side of the screening cylinder (3) is rotatably connected to a feed pipe (4), and the feed pipe (4) is fixedly connected to the top of the base (1) via a support rod (41).

4. A material feeding device for sieving crushed stone mining and conveying according to claim 1, characterized in that: A row of knocking blocks (511) for knocking the outer wall of the screening cylinder (3) is fixedly connected to the outer wall of the rotating rod (510).

5. A material feeding device for sieving crushed stone mining and transportation according to claim 4, characterized in that: The knocking block (511) is composed of a connecting block (5111), a sliding block (5112), and a spring (5113); the sliding block (5112) is slidably connected to the inner wall of the connecting block (5111); and the spring (5113) is fixedly connected to a position between the sliding block (5112) and the inner wall of the connecting block (5111).

6. A material feeding device for sieving crushed stone mining and conveying according to claim 1, characterized in that: The outer wall of the rotating rod (510) is rotatably connected to a support block (512), and the support block (512) is fixedly connected to a support plate (2) at a corresponding position.

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