Pit blanking device

Abstract

The utility model relates to the technical field of pits, and discloses a pit blanking device which comprises a pit main body, a blanking port is arranged above the pit main body, a grid plate is arranged at the blanking port and is matched with the blanking port, a sliding space is arranged on the side edge of the blanking port of the pit main body, and the grid plate is matched with the sliding space. And the grid plate can slide into the sliding space. The position of the grid plate at the feed opening of the pit can be adjusted, so that feeding is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of pits, in particular to a pit unloading device. Background Art

[0002] A pit is a large underground storage device. In a papermaking workshop, the pit is used to store papermaking raw materials, such as wood chips or reeds. Usually, a grid plate is set at the pit feed port. When unloading wood chips, the wood chips will fall into the pit through the small holes in the grid plate, and larger debris will be isolated on the grid plate. However, when unloading reeds, the reed fragments are compacted or entangled with each other, which sometimes easily blocks the unloading holes of the grid plate, resulting in poor unloading. In order to solve this problem, a new pit unloading device is needed. Utility Model Content

[0003] The purpose of the utility model is to provide a pit unloading device, which has the effect of facilitating unloading.

[0004] The above technical objectives of the present invention are achieved through the following technical solutions:

[0005] A pit unloading device includes a pit main body, a unloading port is provided above the pit main body, a grid plate is provided at the unloading port, the grid plate matches the unloading port, a sliding space is provided on the side of the unloading port of the pit main body, and the grid plate can slide into the sliding space.

[0006] As a further configuration of the present invention, a plurality of sparse material rollers are provided on the pit body below the grid plate, and the ends of the plurality of sparse material rollers along the sliding direction of the grid plate are sequentially arranged in parallel and at intervals.

[0007] As a further configuration of the present invention, a rotating sleeve is rotatably provided on the outer side of the sparse material roller.

[0008] As a further configuration of the present invention, a fixing assembly for fixing the grid plate is provided on the pit body at the sliding space.

[0009] As a further configuration of the present invention, the fixing assembly includes several vertically arranged top rods, and several of the top rods are arranged side by side. The straight line formed by the end faces of the side-by-side top rods is parallel to the straight line formed by the single row of notches on the grating plate. Several of the top rods are slidably connected to the pit body and are located inside the sliding space and below the grating plate. The pit body is located at the bottom of the sliding space and is provided with a sliding hole. The top rod is slidably arranged in the sliding hole, and the bottom of the top rod is connected to a driving mechanism that drives the top rod to slide up and down.

[0010] As a further configuration of the present invention, the driving mechanism includes an installation space located below the sliding hole, the sliding hole is connected to the installation space, a rotating shaft is provided in the installation space, the rotating shaft is rotatably connected to the pit body, a plurality of cams are coaxially fixedly connected to the rotating shaft, the bottom of the push rod is connected to the surface of the cam, and the rotating shaft is connected to a driving assembly that drives it to rotate.

[0011] As a further configuration of the present invention, limiting edges are provided on the two side edges of the cam, and the limiting edges of each side of the cam extend along the shape of the cam and are connected end to end to form a ring structure. A limiting groove is provided on the side of the limiting edge, and a connecting frame is provided at the bottom of the push rod, and the connecting frame includes two connecting legs, and the two connecting legs are respectively slidably set in the limiting groove.

[0012] As a further configuration of the present invention, the drive assembly includes a worm wheel coaxially fixedly connected to the rotating shaft, the worm wheel is meshingly connected to a worm, the worm is rotatably connected to the pit body, and the worm is vertically arranged and extends to the surface of the pit body.

[0013] As a further configuration of the present invention, a screwing groove for screwing is provided on the upper surface of the worm, and a screwing wrench is provided on the outside of the screwing groove.

[0014] As a further configuration of the present invention, the pit body is provided with sliding grooves on both sides of the grid plate, the grid plates are slidably arranged in the sliding grooves on both sides, and the sliding grooves are connected to the sliding space.

[0015] The beneficial effects of the utility model are:

[0016] 1. When in use, you can choose to pull the grid plate according to the different materials being unloaded, and then you can open or close the grid plate. When unloading sawdust, you can close the grid plate, and when unloading reeds, you can open the grid plate. After opening the grid plate, the unloading can be smooth and convenient.

[0017] 2. Through the worm gear structure, the rotating shaft can be driven to rotate, thereby driving the cam to rotate, and then controlling the rise and fall of the push rod. When the push rod rises, the push rod is inserted into the blanking hole of the grid plate to fix the grid plate. When the push rod falls, the push rod is separated from the grid plate, thereby releasing the grid plate and allowing the grid plate to move. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 It is a schematic diagram of the external structure of this embodiment.

[0020] Figure 2 It is a schematic diagram of the cross-section structure of this embodiment.

[0021] Figure 3 It is a schematic diagram of the sliding groove and sliding space structure of this embodiment.

[0022] Figure 4 It is a schematic diagram of the structure of the fixed component of this embodiment.

[0023] In the figure, 1. pit main body, 11. discharge port, 12. sliding space, 13. sliding groove, 2. grid plate, 3. sparse material roller, 41. fixed component, 42. push rod, 43. rotating shaft, 44. cam, 45. limiting edge, 46. limiting groove, 47, connecting frame, 48. worm gear, 49. worm. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0025] A pit unloading device includes a pit main body 1, a unloading port 11 is provided above the pit main body 1, a grid plate 2 is provided at the unloading port 11, the grid plate 2 matches the unloading port 11, and a sliding space 12 is provided on the side of the unloading port 11 of the pit main body 1, and the grid plate 2 can slide into the sliding space 12.

[0026] Furthermore, a plurality of sparse rollers 3 are provided on the pit body 1 below the grid plate 2 , and the ends of the plurality of sparse rollers 3 along the sliding direction of the grid plate 2 are sequentially arranged in parallel and at intervals.

[0027] Furthermore, a rotating sleeve is rotatably provided on the outer side of the sparse roller 3 .

[0028] The thinning roller 3 can thin the reeds, and the rotating sleeve can make the reeds enter the pit more conveniently.

[0029] Furthermore, the pit body 1 is provided with a fixing assembly 41 for fixing the grid plate 2 in the sliding space 12 .

[0030] Furthermore, the fixing assembly 41 includes a number of vertically arranged top rods 42, and the number of the top rods 42 are arranged side by side. The straight line formed by the end faces of the side-by-side top rods 42 is parallel to the straight line formed by the single row of notches on the grid plate 2. The number of the top rods 42 are slidably connected to the pit body 1 and are located inside the sliding space 12 and below the grid plate 2. The pit body 1 is located at the bottom of the sliding space 12 and is provided with a sliding hole. The top rod 42 is slidably set in the sliding hole, and the bottom of the top rod 42 is connected to a driving mechanism that drives the top rod 42 to slide up and down.

[0031] The driving mechanism drives the push rod 42 to rise and fall. When the push rod 42 rises, the push rod 42 is inserted into the hole of the grid plate 2 to fix the grid plate 2 to prevent the grid plate 2 from moving. When the push rod 42 falls, the grid plate 2 is loosened and the grid plate 2 can be moved.

[0032] Furthermore, the driving mechanism includes an installation space located below the sliding hole, the sliding hole is connected to the installation space, a rotating shaft 43 is provided in the installation space, the rotating shaft 43 is rotatably connected to the pit body 1, a plurality of cams 44 are coaxially fixedly connected to the rotating shaft 43, the bottom of the top rod 42 is connected to the surface of the cam 44, and the rotating shaft 43 is connected to a driving component that drives it to rotate.

[0033] Furthermore, limiting edges 45 are provided on both side edges of the cam 44. The limiting edges 45 on each side of the cam 44 extend along the shape of the cam 44 and are connected end to end to form a ring structure. A limiting groove 46 is provided on the side of the limiting edge 45. A connecting frame 47 is provided at the bottom of the push rod 42. The connecting frame 47 includes two connecting legs, and the two connecting legs are respectively slidably provided in the limiting groove 46.

[0034] Furthermore, the drive assembly includes a worm gear 48 coaxially fixedly connected to the rotating shaft 43, the worm gear 48 is meshed with a worm 49, the worm 49 is rotatably connected to the pit body 1, and the worm 49 is vertically arranged and extends to the surface of the pit body 1.

[0035] Furthermore, a screwing groove for screwing is provided on the upper surface of the worm 49, and a screwing wrench is provided on the outside of the screwing groove.

[0036] By turning the wrench forward or backward to rotate the worm 49, the worm 49 rotates, the worm 49 drives the worm wheel 48 to rotate, the worm wheel 48 drives the rotating shaft 43 to rotate, the rotating shaft 43 drives the cam 44 to rotate, and the cam 44 drives the push rod 42 to rise and fall through the connecting frame 47.

[0037] Furthermore, the pit body 1 is provided with sliding grooves 13 on both sides of the grid plate 2 , and the grid plates 2 are slidably arranged in the sliding grooves 13 , and the sliding grooves 13 are connected to the sliding space 12 .

[0038] When in use, you can choose to pull the grid plate according to the different materials being unloaded, and then open or close the grid plate. When unloading wood chips, the grid plate can be closed, and when unloading reeds, the grid plate can be opened. After opening the grid plate, the unloading can be smooth and convenient.

Claims

1. A pit unloading device, comprising a pit body (1), wherein a unloading port (11) is provided above the pit body (1), and characterized in that: A grid plate (2) is provided at the discharge port (11), and the grid plate (2) matches the discharge port (11). The pit body (1) is provided with a sliding space (12) on the side of the discharge port (11), and the grid plate (2) can slide into the sliding space (12). The pit body (1) is provided with a plurality of sparse material rollers (3) below the grid plate (2). The ends of the plurality of sparse material rollers (3) are arranged in parallel and spaced apart in sequence along the sliding direction of the grid plate (2), and a rotating sleeve is provided on the outer side of the sparse material rollers (3) for rotation.

2. A pit unloading device according to claim 1, characterized in that: The pit body (1) is provided with a fixing assembly (41) for fixing the grid plate (2) in the sliding space (12).

3. The pit unloading device according to claim 2, characterized in that: The fixing assembly (41) includes a plurality of vertically arranged top rods (42), the plurality of top rods (42) are arranged side by side, and the straight line formed by the end faces of the side-by-side top rods (42) is parallel to the straight line formed by the single row of notches on the grid plate (2). The plurality of top rods (42) are slidably connected to the pit body (1) and are located inside the sliding space (12) and below the grid plate (2). The pit body (1) is provided with a sliding hole at the bottom of the sliding space (12), the top rods (42) are slidably arranged in the sliding hole, and the bottom of the top rods (42) is connected to a driving mechanism for driving the top rods (42) to slide up and down.

4. A pit unloading device according to claim 3, characterized in that: The driving mechanism includes an installation space located below the sliding hole, the sliding hole is communicated with the installation space, a rotating shaft (43) is provided in the installation space, the rotating shaft (43) is rotatably connected to the pit body (1), a plurality of cams (44) are coaxially fixedly connected to the rotating shaft (43), the bottom of the push rod (42) is connected to the surface of the cam (44), and the rotating shaft (43) is connected to a driving component that drives it to rotate.

5. The pit unloading device according to claim 4, characterized in that: The two side edges of the cam (44) are provided with limiting edges (45), and the limiting edges (45) of each side of the cam (44) extend along the shape of the cam (44) and are connected end to end to form a ring structure. The side of the limiting edge (45) is provided with a limiting groove (46), and the bottom of the push rod (42) is provided with a connecting frame (47), and the connecting frame (47) includes two connecting legs, and the two connecting legs are respectively slidably set in the limiting groove (46).

6. The pit unloading device according to claim 5, characterized in that: The drive assembly comprises a worm wheel (48) coaxially fixedly connected to the rotating shaft (43), the worm wheel (48) being meshedly connected to a worm (49), the worm (49) being rotationally connected to the pit body (1), the worm (49) being vertically arranged and extending to the surface of the pit body (1).

7. The pit unloading device according to claim 6, characterized in that: The upper surface of the worm (49) is provided with a screwing groove for screwing, and the screwing groove is externally provided with a screwing wrench.

8. The pit unloading device according to claim 1, characterized in that: The pit body (1) is provided with sliding grooves (13) on both sides of the grid plate (2), and the two sides of the grid plate (2) are slidably arranged in the sliding grooves (13), and the sliding grooves (13) are connected to the sliding space (12).

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