Anti-blocking hammer crusher bottom screen structure

Abstract

The application relates to an anti-blocking hammer crusher bottom screen structure, and belongs to the technical field of hammer crushers, which comprises a first screen body and a second screen body installed inside a shell and located on both sides of a rotor shaft, a plurality of support plates are sequentially arranged between the first screen body and the second screen body along the length direction of the rotor shaft, the support plates are arranged along the height direction of the shell, a plurality of support rods are detachably connected to the upper side of the support plates and arranged along the length direction of the support plates and perpendicular to the support plates, and a cleaning door located at the end of the support rod is installed on both sides of the shell. The application has the effects of facilitating cleaning and reducing the adverse effect on work efficiency.

Description

Technical Field

[0001] This application relates to the technical field of hammer crushers, and in particular to an anti-clogging hammer crusher bottom screen structure. Background Technology

[0002] Hammer crushers are widely used in mining, cement, building materials, and chemical industries. During operation, the material to be crushed is fed into the crusher through the feed inlet. It first gains kinetic energy from the impact of the high-speed rotating hammers and then impacts the inner wall of the crusher casing for the first stage of crushing. Subsequently, material of suitable particle size is discharged through the screen plate on the lower side of the crusher, while larger pieces continue to be impacted or ground by the hammers on the screen plate until they are crushed to the appropriate size and then discharged.

[0003] Because the screen plate in the crusher is a single piece and is curved downwards within the crusher, when using it to crush materials with high moisture content and sticky texture, the material tends to adhere to the screen holes, making cleaning difficult and requiring it to be cleaned from inside the crusher, which in turn negatively impacts work efficiency. Utility Model Content

[0004] To facilitate cleaning and reduce adverse effects on work efficiency, this application provides an anti-clogging hammer crusher bottom screen structure.

[0005] The anti-clogging hammer crusher bottom screen structure provided in this application adopts the following technical solution:

[0006] A bottom screen structure for an anti-clogging hammer crusher includes a first screen body and a second screen body installed inside the housing and located on both sides of the rotor shaft. A plurality of support plates are arranged sequentially along the length of the rotor shaft between the first screen body and the second screen body. The support plates are arranged along the height of the housing. A plurality of support rods are detachably connected to the upper side of the support plates and are arranged along the length of the support plates and perpendicular to the support plates. Cleaning doors are installed at the ends of the support rods on both sides of the housing.

[0007] By adopting the above technical solution, the support plate and support rod connect the first screen body and the second screen body. The crushed material falls through the grid-like channel formed by the support plate and support rod. The support rod and support plate are detachably connected, which makes it easy to adjust the aperture of the grid-like channel formed by the support rod and support plate according to the particle size of the crushed material. When the material blocks the connection between the first screen body and the second screen body, the cleaning door can be opened and the support rod can be removed to facilitate the cleaning of the blocked material and reduce the adverse impact on work efficiency.

[0008] Optionally, the upper side of the support plate is provided with a plurality of insertion holes arranged sequentially along the length of the support plate, and the support rod passes through the corresponding insertion hole simultaneously through the support plate.

[0009] By adopting the above technical solution, the support rods are installed on the support plate through through insertion holes, which facilitates the disassembly and assembly of the support rods, makes it easy to clean up blocked materials, and allows for the control of the spacing between the support rods according to the distance between the insertion holes. This, in turn, controls the aperture of the grid-like channel formed by the support plate and support rods to adapt to the crushing needs of different materials, reducing adverse effects on work efficiency.

[0010] Optionally, each of the cleaning doors has multiple insertion slots on its adjacent sides that are adapted to the ends of the support rods. When the cleaning doors are closed, the ends of the support rods are inserted into the corresponding insertion slots.

[0011] By adopting the above technical solution, when the cleaning door is closed, the end of the support rod is inserted into the corresponding insertion slot. At this time, the cleaning door is at its upper limit in the length direction of the support rod, and the support plate is at its upper limit in the cross-sectional direction of the support rod, thereby fixing the support rod, facilitating the disassembly and assembly of the support rod, and thus facilitating the cleaning of blocked materials. At the same time, it is easy to adjust the aperture of the grid-like channel formed by the support plate and the support rod, reducing the adverse impact on work efficiency.

[0012] Optionally, the lower sides of the first screen body and the second screen body, which are close to each other, are provided with channel steels that are arranged opposite each other along the length of the support rod, and both ends of the lower side of the support plate are inserted into the channel steels and fixedly connected to the channel steels.

[0013] By adopting the above technical solution, the support plate connects the first screen body and the second screen body through the channel steel and supports the support rod. The structure is stable and it is convenient for the crushed material to be discharged through the support plate. When the support plate or support rod is worn, the worn support plate or support rod can be replaced, saving costs. In addition, the number of support plates installed on the channel steel can be adjusted according to the width of the first screen body, improving applicability.

[0014] Optionally, the support plate includes a plate body and plug-in plates symmetrically arranged at both ends on the lower side of the plate body and slidably connected to the plate body. The side wall of the channel steel is provided with a plurality of mounting holes adapted to the plug-in plates. When the support plate is installed on the channel steel, the plug-in plates are inserted into the corresponding mounting holes. The plate body is provided with a driving assembly for driving the plug-in plates to slide.

[0015] By adopting the above technical solution, the lower side of the support plate is inserted between the channel steels and the support plate is driven to move along the length of the channel steels until the support plate is installed at the installation location. At this time, the plug-in plate is completely inserted into the plate body. The drive component drives the plug-in plates on the same plate body to move away from each other until they are inserted into the mounting holes, thereby fixing the support plate on the channel steels. This further facilitates the disassembly and assembly of the support plate and improves work efficiency.

[0016] Optionally, the drive assembly includes a bidirectional lead screw located inside the plate body and parallel to the length direction of the plate body, and the plug-in plates corresponding to the same plate body are all sleeved on the end of the bidirectional lead screw and threadedly connected to the bidirectional lead screw.

[0017] By adopting the above technical solution, the bidirectional lead screw is driven to rotate, thereby driving the plug-in plates to move in opposite directions until all the plug-in plates are inserted into the mounting holes. At this time, the plate body is fixed to the channel steel by inserting the plug-in plates into the mounting holes, which facilitates the disassembly and assembly of the support plate and improves work efficiency.

[0018] Optionally, the housing is provided with fixing components that correspond one-to-one with the cleaning doors.

[0019] By adopting the above technical solution, when the cleaning door is closed, the fixing component will fix the cleaning door to the housing, thereby improving the stability of the cleaning door, which in turn improves the stability of the support rod installation and reduces the possibility of the support rod detaching from the support plate during the material crushing process.

[0020] Optionally, the fixing assembly includes a fixing plate corresponding to each of the cleaning doors and located on the lower side of the corresponding cleaning door. The upper side of each fixing plate is provided with a mounting groove, and the lower side of each cleaning door is inserted into the mounting groove. A lead screw corresponding to each fixing plate is rotatably connected to the housing, and the fixing plate is threadedly connected to the lead screw.

[0021] By adopting the above technical solution, when installing the cleaning door, the lower side of the cleaning door is inserted into the mounting groove of the corresponding fixing plate. The drive screw rotates and drives the fixing plate to move the cleaning door closer to the housing until the cleaning door is installed on the housing. When the cleaning door needs to be disassembled, the drive screw rotates in the opposite direction to push the cleaning door out through the fixing plate, making it easy to remove the cleaning door. This facilitates the disassembly and assembly of the cleaning door and improves work efficiency.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. The crushed material falls through the grid-like channel formed by the support plate and the support rod. The support rod and the support plate are detachably connected, so that the aperture of the grid-like channel formed by the support rod and the support plate can be adjusted according to the particle size of the crushed material. When the material blocks the connection between the first screen body and the second screen body, the cleaning door can be opened and the support rod can be removed to facilitate the cleaning of the blocked material.

[0024] 2. When the cleaning door is closed, the end of the support rod is inserted into the corresponding insertion slot. At this time, the cleaning door is at its upper limit in the length direction of the support rod, and the support plate is at its upper limit in the cross-sectional direction of the support rod, thereby fixing the support rod, making it easy to disassemble and assemble the support rod, and thus making it easier to clean up the blocked material. At the same time, it is easy to adjust the aperture of the grid-like channel formed by the support plate and the support rod.

[0025] 3. Drive the bidirectional lead screw to rotate, thereby driving the plug-in plates to move in opposite directions until all plug-in plates are inserted into the mounting holes. At this time, the plate body is fixed to the channel steel by plugging the plug-in plates into the mounting holes, which facilitates the disassembly and assembly of the support plate and improves work efficiency. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of the bottom screen structure in Embodiment 1 of this application.

[0027] Figure 2 This is a structural schematic diagram illustrating the positional relationship between the support plate and the channel steel in Embodiment 1 of this application.

[0028] Figure 3 This is a structural schematic diagram illustrating the positional relationship between the cleaning door and the housing in Embodiment 1 of this application.

[0029] Figure 4 This is a structural schematic diagram illustrating the positional relationship between the cleaning door and the housing in Embodiment 2 of this application.

[0030] Figure 5 This is a structural schematic diagram illustrating the positional relationship between the channel steel and the support plate in Embodiment 2 of this application.

[0031] Figure 6 This is a structural diagram illustrating the positional relationship between the cleaning door and the fixing components in Embodiment 2 of this application.

[0032] Explanation of reference numerals in the attached drawings: 1. Shell; 11. Rotor shaft; 12. Cleaning port; 13. Cleaning door; 131. Insertion groove; 2. First screen body; 21. Channel steel; 211. Mounting hole; 3. Second screen body; 4. Support plate; 41. Insertion hole; 42. Plate body; 421. Sliding groove; 43. Insertion plate; 5. Support rod; 6. Drive assembly; 61. Bidirectional lead screw; 62. Rotating disk; 7. Fixing assembly; 71. Fixing plate; 711. Mounting groove; 72. Lead screw; 73. Guide rod. Detailed Implementation

[0033] The present application will be further described in detail below with reference to the accompanying drawings.

[0034] This application discloses an anti-clogging hammer crusher bottom screen structure. Example

[0035] Reference Figure 1 and Figure 2A bottom screen structure for an anti-clogging hammer crusher includes a first screen body 2 installed in a housing 1 and located on one side of a rotor shaft 11, and a second screen body 3 installed on the inner wall of the housing 1 on the other side of the rotor shaft 11. The ends of the first screen body 2 and the second screen body 3 that are close to each other are both located on the lower side of the rotor shaft 11. Channel steels 21 that are opposite each other and arranged along the width direction of the first screen body 2 are fixedly connected to the lower side of the ends of the first screen body 2 and the second screen body 3 that are close to each other. Multiple vertical support plates 4 that are evenly distributed along the length direction of the channel steels 21 are provided on the side of the channel steels 21 that are close to each other. The lower ends of the support plates 4 are inserted into the channel steels 21 and fixed to the channel steels 21 by welding.

[0036] Reference Figure 2 and Figure 3 The lower side inside the housing 1 is provided with a plurality of horizontal support rods 5 that are evenly distributed along the length of the support plate 4 and perpendicular to the length of the support plate 4. The support plate 4 has a plurality of insertion holes 41 in the length direction, and the support rods 5 are detachably connected to the support plate 4 through the insertion holes 41.

[0037] Both sides of the housing 1 have cleaning openings 12 that correspond to the ends of the support rods 5. Each end of the support rod 5 has a vertical cleaning door 13 corresponding to one of the cleaning openings 12. The area of ​​the cleaning door 13 closer to the support rod 5 is smaller than the area of ​​the cleaning door 13 farther from the support rod 5. The side of the cleaning door 13 with the smaller area is inserted into the corresponding cleaning opening 12 and fixed to the housing 1 with bolts. The side of the cleaning door 13 closest to the support rod 5 has multiple insertion slots 131 corresponding to the support rod 5. When the cleaning door 13 blocks the corresponding cleaning opening 12, the end of the support rod 5 is inserted into the corresponding insertion slot 131.

[0038] The support plate 4, channel steel 21, and support rod 5 connect the first screen body 2 and the second screen body 3, forming a stable structure. The crushed material falls through the grid-like channel formed by the support plate 4 and the support rod 5. The support rod 5 is installed on the support plate 4 through the insertion hole 41, which facilitates the cleaning of blocked material. At the same time, it is easy to control the spacing between the support rods 5 according to the distance between the insertion holes 41, thereby controlling the aperture of the grid-like channel formed by the support plate 4 and the support rod 5 to adapt to the crushing requirements of different materials. When the material blocks the connection between the first screen body 2 and the second screen body 3, the cleaning door 13 is opened and the support rod 5 is removed to facilitate the cleaning of blocked material.

[0039] When the cleaning door 13 is closed, the end of the support rod 5 is inserted into the corresponding insertion slot 131. At this time, the cleaning door 13 is at its upper limit in the length direction of the support rod 5, and the support plate 4 is at its upper limit in the cross-sectional direction of the support rod 5, thereby improving the stability of the support rod 5 installation.

[0040] When the support plate 4 or support rod 5 is worn, the worn support plate 4 or support rod 5 can be replaced, saving costs. In addition, the number of support plates 4 installed on the channel steel 21 can be adjusted according to the width of the first screen body 2, improving applicability.

[0041] The implementation principle of Example 1 is as follows: The support plate 4, the channel steel 21, and the support rod 5 connect the first screen body 2 and the second screen body 3. The support rod 5 is installed on the support plate 4 through the through insertion hole 41, which facilitates the cleaning of blocked materials. At the same time, it is convenient to control the spacing between the support rods 5 according to the distance between the insertion holes 41, thereby controlling the aperture of the grid channel formed by the support plate 4 and the support rod 5 to adapt to the crushing requirements of different materials. When the material blocks the connection between the first screen body 2 and the second screen body 3, the cleaning door 13 is opened and the support rod 5 is removed to facilitate the cleaning of blocked materials. Example

[0042] Reference Figure 4 and Figure 5 The difference between this embodiment and Embodiment 1 is that the support plate 4 includes a plate body 42 and vertical insertion plates 43 located at both ends of the support plate 4. Each end of the lower side of the plate body 42 has a sliding groove 421 corresponding to one of the insertion plates 43. The insertion plate 43 corresponding to the same plate body 42 is inserted into the corresponding sliding groove 421 and slidably connected to the plate body 42, allowing the insertion plate 43 to fully enter the corresponding sliding groove 421. The channel steel 21 has mounting holes 211 on its mutually distant sides, which accommodate multiple insertion plates 43. The insertion plates 43 can be inserted into the mounting holes 211. The plate body 42 is provided with a driving assembly 6 that drives the insertion plates 43 to move in mutually distant directions. The cleaning door 13 is inserted into the corresponding cleaning port 12 on the side near the support rod 5. The housing 1 has a fixing assembly 7 that corresponds to and fixes the cleaning door 13 and the housing 1.

[0043] The support plate 4 is inserted between the channel steels 21 and driven to move along the length of the channel steels 21 until the support plate 4 is installed at the installation position. At this time, the plug plate 43 is fully inserted into the plate body 42. The drive assembly 6 drives the plug plate 43 on the same plate body 42 to move away from each other until it is inserted into the mounting hole 211, thereby fixing the support plate 4 on the channel steel 21.

[0044] When the cleaning door 13 is closed, the fixing component 7 fixes the cleaning door 13 to the housing 1, improving the stability of the cleaning door 13 and thus improving the stability of the support rod 5 installation.

[0045] Reference Figure 5The drive assembly 6 includes a horizontal bidirectional lead screw 61 that passes through the inside of the plate body 42 and is rotatably connected to the plate body 42. The bidirectional lead screw 61 is arranged along the length of the plate body 42, and each end of the bidirectional lead screw 61 is inserted into a corresponding plug plate 43 and threadedly connected to the plug plate 43. A rotating disk 62 is sleeved and fixedly connected to the middle of the bidirectional lead screw 61. Both sides of the rotating disk 62 in the horizontal direction pass through the outside of the plate body 42 and are rotatably connected to the plate body 42.

[0046] The bidirectional lead screw 61 is driven to rotate, thereby driving the plug-in plates 43 to move away from each other until the plug-in plates 43 are inserted into the mounting holes 211. At this time, the plate body 42 is fixed to the channel steel 21 by inserting the plug-in plates 43 into the mounting holes 211.

[0047] Reference Figure 4 and Figure 6 The fixing assembly 7 includes a vertical fixing plate 71 located on the lower side of the cleaning door 13. The upper side of the fixing plate 71 is provided with mounting grooves 711 that are adapted to the lower side of the cleaning door 13. One end of the lower side of the fixing plate 71 is threaded with a horizontal lead screw 72 that is rotatably connected to the housing 1, and the other end of the lower side of the fixing plate 71 is slidably connected with a horizontal guide rod 73 that is fixedly connected to the housing 1.

[0048] Insert the lower side of the cleaning door 13 into the mounting slot 711 on the corresponding fixing plate 71, drive the lead screw 72 to rotate and drive the fixing plate 71 to move the cleaning door 13 along the length direction of the guide rod 73 towards the housing 1 until the cleaning door 13 is installed on the housing 1.

[0049] When the cleaning door 13 needs to be disassembled, the drive screw 72 rotates in the opposite direction, thereby pushing the cleaning door 13 out through the fixing plate 71, making it easy to remove the cleaning door 13.

[0050] The implementation principle of Example 2 is as follows: drive the support plate 4 to move along the length of the channel steel 21 until the support plate 4 is installed at the installation position. At this time, the plug plate 43 is fully inserted into the plate body 42. Drive the plug plate 43 on the same plate body 42 to move away from each other until it is inserted into the mounting hole 211, thereby fixing the support plate 4 on the channel steel 21.

[0051] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A bottom screen structure for an anti-clogging hammer crusher, characterized in that: It includes a first screen body (2) and a second screen body (3) installed inside the housing (1) and located on both sides of the rotor shaft (11). A plurality of support plates (4) are arranged sequentially along the length direction of the rotor shaft (11) between the first screen body (2) and the second screen body (3). The support plates (4) are arranged along the height direction of the housing (1). A plurality of support rods (5) are detachably connected to the upper side of the support plate (4) and are arranged along the length direction of the support plate (4) and perpendicular to the support plate (4). Cleaning doors (13) are installed on both sides of the housing (1) at the ends of the support rods (5).

2. The anti-clogging hammer crusher bottom screen structure according to claim 1, characterized in that: The upper side of the support plate (4) is provided with a plurality of insertion holes (41) arranged sequentially along the length direction of the support plate (4), and the support rod (5) passes through the support plate (4) through the corresponding insertion hole (41).

3. The anti-clogging hammer crusher bottom screen structure according to claim 2, characterized in that: On the side of each cleaning door (13) that is close to each other, there are multiple insertion slots (131) that are adapted to the end of the support rod (5). When the cleaning door (13) is closed, the end of the support rod (5) is inserted into the corresponding insertion slot (131).

4. The anti-clogging hammer crusher bottom screen structure according to claim 3, characterized in that: The first screen body (2) and the second screen body (3) are provided with channel steel (21) arranged opposite to each other along the length direction of the support rod (5) on their lower sides. Both ends of the lower side of the support plate (4) are inserted into the channel steel (21) and fixedly connected to the channel steel (21).

5. The anti-clogging hammer crusher bottom screen structure according to claim 4, characterized in that: The support plate (4) includes a plate body (42) and plug-in plates (43) symmetrically arranged at both ends on the lower side of the plate body (42) and slidably connected to the plate body (42). The side wall of the channel steel (21) is provided with a plurality of mounting holes (211) adapted to the plug-in plates (43). When the support plate (4) is installed on the channel steel (21), the plug-in plates (43) are inserted into the corresponding mounting holes (211). The plate body (42) is provided with a driving assembly (6) for driving the plug-in plates (43) to slide.

6. The anti-clogging hammer crusher bottom screen structure according to claim 5, characterized in that: The drive assembly (6) includes a bidirectional lead screw (61) located inside the plate body (42) and parallel to the length direction of the plate body (42). The plug-in plates (43) corresponding to the same plate body (42) are all sleeved on the end of the bidirectional lead screw (61) and threadedly connected to the bidirectional lead screw (61).

7. The anti-clogging hammer crusher bottom screen structure according to claim 6, characterized in that: The housing (1) is provided with a fixing component (7) that corresponds one-to-one with the cleaning door (13).

8. The anti-clogging hammer crusher bottom screen structure according to claim 7, characterized in that: The fixing component (7) includes a fixing plate (71) that corresponds one-to-one with the cleaning door (13) and is located on the lower side of the corresponding cleaning door (13). The upper side of the fixing plate (71) is provided with a mounting groove (711), and the lower side of the cleaning door (13) is inserted into the mounting groove (711). The housing (1) is rotatably connected with a lead screw (72) that corresponds one-to-one with the fixing plate (71), and the fixing plate (71) is threadedly connected to the lead screw (72).

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