Drum screening mechanism with adjustable pull rod

Abstract

The utility model discloses a roller screening mechanism with an adjustable pull rod, which belongs to the technical field of conveying devices and comprises a mounting rack, a driving mechanism is arranged on one side above the mounting rack, a first bearing seat and a second bearing seat are symmetrically arranged on the mounting rack, and an intermediate shaft tube is rotatably connected between the first bearing seat and the second bearing seat. The middle shaft pipe is sleeved with the multiple screen body assemblies, the multiple connecting plates are detachably connected between the multiple screen body assemblies, the whole screen drum is arranged in a split mode, adjustment, disassembly and installation are convenient, and the diameter of the screen drum can be adjusted to adapt to screening of materials of different sizes.

Description

Technical Field

[0001] The utility model belongs to the technical field of conveying devices, in particular to a roller screening mechanism with adjustable pull rods. Background Art

[0002] In the manufacturing process of many products, screening mechanisms are required to grade the raw materials required or the waste generated in the manufacturing process. For example, in the manufacturing process of paper and artificial boards, it is necessary to screen and grade bulk raw materials such as wood chips, shavings, sawdust, or waste materials such as bark to facilitate subsequent processing.

[0003] Currently in the wood-based panel manufacturing industry, most screen cylinders are integrated and cannot be disassembled, and the entire screen cylinder needs to be replaced frequently to screen materials of different sizes, making it inconvenient to disassemble and install the screen cylinder. Utility Model Content

[0004] The purpose of the utility model is to provide a pull rod adjustable roller screening mechanism to solve at least one aspect of the problems and defects raised in the above background technology.

[0005] A pull rod adjustable drum screening mechanism is provided, comprising a mounting frame, a driving mechanism is arranged on one side above the mounting frame, a first bearing seat and a second bearing seat are symmetrically arranged on the mounting frame, an intermediate shaft tube is rotatably connected between the first bearing seat and the second bearing seat, a plurality of screen body assemblies are sleeved on the intermediate shaft tube, and a plurality of connecting plates are detachably connected between the plurality of screen body assemblies.

[0006] Furthermore, the driving mechanism includes a reduction motor, which is arranged on one side of the upper part of the mounting frame. The output end of the reduction motor is connected to a transmission sprocket through a transmission chain. The transmission sprocket is rotatably connected to the first bearing seat, and an intermediate shaft tube is fixedly connected to the transmission sprocket.

[0007] Furthermore, the screen assembly comprises a supporting ring body, the supporting ring body is sleeved on the intermediate shaft tube, the supporting ring body is provided with adjusting rods along the circumferential direction, and the adjusting rods are detachably connected with segmented arc plates.

[0008] Furthermore, the adjusting rod includes a first support rod body, one end of the first support rod body is arranged on a support ring body, a bidirectional screw is threadedly connected to the first support rod body, an end of the bidirectional screw away from the first support rod body is threadedly connected to a second support rod body, and a segmented arc plate is detachably connected to the second support rod body.

[0009] Furthermore, a connecting plate is detachably connected between two adjacent segmented arc plates.

[0010] Furthermore, a plurality of supporting legs are arranged below the mounting frame.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] Several screen body components can adjust their distance from the intermediate shaft tube, and then adjust the radius of the entire screen cylinder, and then adjust the radius of the entire screen cylinder to adjust the coaxiality of the screen body and the intermediate shaft tube. After the adjustment, several screen body components can be detachably connected with several connecting plates. Each screen body component is connected into a whole through the detachable connecting plates to form a screen cylinder. The entire screen cylinder is a split setting, which is easy to disassemble and install, and the diameter of the screen cylinder can be adjusted to adapt to the screening of materials of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0014] Figure 1 It is a schematic diagram of the overall structure of a pull rod adjustable roller screening mechanism;

[0015] Figure 2 A schematic diagram of the overall top view structure provided for an embodiment of the utility model;

[0016] Figure 3 A schematic diagram of the cross-sectional structure of a screen assembly provided in an embodiment of the utility model;

[0017] Figure 4 A schematic diagram of the three-dimensional structure of the adjustment rod provided in an embodiment of the utility model.

[0018] In the figure: 1. mounting frame; 11. supporting foot; 2. driving mechanism; 21. reduction motor; 22. transmission chain; 23. transmission sprocket; 3. first bearing seat; 4. second bearing seat; 5. intermediate shaft tube; 6. screen body assembly; 61. supporting ring body; 62. adjusting rod; 621. first supporting rod body; 622. bidirectional screw; 623. second supporting rod body; 63. segmented arc plate; 7. connecting plate. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the utility model provided in the accompanying drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 As shown, in the embodiment of the utility model, a pull rod adjustable roller screening mechanism comprises a mounting frame 1, a driving mechanism 2 is arranged on one side above the mounting frame 1, a first bearing seat 3 and a second bearing seat 4 are symmetrically arranged on the mounting frame 1, the output end of the driving mechanism 2 is rotatably connected to the first bearing seat 3, an intermediate shaft tube 5 is rotatably connected between the first bearing seat 3 and the second bearing seat 4, the output end of the driving mechanism 2 is fixedly connected to one end of the intermediate shaft tube 5, driving the intermediate shaft tube 5 to be rotatably connected to the first bearing seat 3, the end of the intermediate shaft tube 5 away from the first bearing seat 3 is rotatably connected to the second bearing seat 4, and a plurality of A plurality of screen body assemblies 6 are provided, and several screen body assemblies 6 can adjust the distance between themselves and the intermediate shaft tube 5, thereby adjusting the radius of the entire screen drum to adapt to the subsequent screening of materials of different sizes, and then adjusting the coaxiality of the entire screen body and the intermediate shaft tube 5, thereby eliminating manufacturing errors and unbalanced forces. After the adjustment, several screen body assemblies 6 can be detachably connected with several connecting plates 7. After the adjustment, the various screen body assemblies 6 are connected into a whole through the detachably connected connecting plates 7 to form a screen drum together. The entire screen drum is split and adjustable, and is easy to disassemble and install. The diameter of the screen drum can be adjusted to adapt to the screening of materials of different sizes.

[0022] In one embodiment, see Figure 1 , Figure 2 and Figure 3 As shown, the driving mechanism 2 includes a reduction motor 21, which is arranged on one side of the upper part of the mounting frame 1. The output end of the reduction motor 21 is connected to a transmission sprocket 23 through a transmission chain 22. The transmission sprocket 23 is rotatably connected to the first bearing seat 3. An intermediate shaft tube 5 is fixedly connected to the transmission sprocket 23. The output end of the reduction motor 21 is connected to the transmission sprocket 23 through the transmission chain 22. The transmission sprocket 23 rotates with the intermediate shaft tube 5 to rotate between the first bearing seat 3 and the second bearing seat 4, so that the rotational power provided by the driving mechanism 2 can be effectively transmitted to a plurality of screen body assemblies 6 to form a screen cylinder, thereby realizing the screening process.

[0023] In one embodiment, see Figure 1 , Figure 3 and Figure 4As shown, the screen assembly 6 includes a support ring 61, which is sleeved on the intermediate shaft tube 5. An adjusting rod 62 is arranged on the support ring 61 along the circumferential direction. The adjusting rod 62 is detachably connected with a segmented arc plate 63. The main supporting structure of the screen assembly 6 is the support ring 61, which is sleeved on the intermediate shaft tube 5 to fix and support the screen assembly 6. An adjusting rod 62 is arranged on the support ring 61 along the circumferential direction. By adjusting the extension of the adjusting rod 62, the center radius distance of the entire screen assembly 6 from the intermediate shaft tube 5 can be adjusted. After the adjustment is completed, the segmented arc plate 63 of the appropriate size is selected for installation, so that the diameter of the screen assembly 6 can be flexibly adjusted as needed to adapt to different screening requirements and material characteristics. After the individual segmented arc plates 63 are spliced, an outer ring structure is formed to form the entire screen assembly 6, and then the individual screen assemblies 6 are connected by connecting plates 7 to form a screen cylinder, which is easy to disassemble and install.

[0024] In one embodiment, see Figure 1 , Figure 3 and Figure 4 As shown, the adjusting pull rod 62 includes a first support rod body 621, one end of the first support rod body 621 is arranged on the support ring body 61, the first support rod body 621 is internally threadedly connected with a bidirectional screw 622, and the end of the bidirectional screw 622 away from the first support rod body 621 is threadedly connected to a second support rod body 623, and the second support rod body 623 is detachably connected with a segmented arc plate 63, one end of the first support rod body 621 is arranged on the support ring body 61 to ensure the stability and reliability of the entire adjusting device, and the first support rod body 621 is internally provided with a thread for connecting the subsequent bidirectional screw 622, and the bidirectional screw 622 is connected to the thread of the first support rod body 621, and the bidirectional screw The end of the rod 622 away from the first support rod body 621 is also provided with a thread for connecting to the second support rod body 623. The second support rod body 623 is detachably connected to a segmented arc plate 63. By rotating the bidirectional screw 622, the distance between the second support rod body 623 and the support ring body 61 can be adjusted, thereby controlling the diameter of each screen body assembly 6 from the intermediate shaft tube 5. In addition, since the segmented arc plate 63 is detachably connected to the second support rod body 623, the segmented arc plate 63 of a suitable size and quantity can be selected as needed to further adjust the diameter of the screen cylinder to ensure the coaxiality of the entire screen cylinder and the intermediate shaft tube 5, which can meet the application needs under different materials and screening requirements.

[0025] In one embodiment, see Figure 1 , Figure 3 and Figure 4As shown, a connecting plate 7 is detachably connected between two adjacent segmented arc plates 63, and the segmented arc plates 63 inside two adjacent screen body assemblies 6 are connected by the connecting plate 7 to form a screen cylinder, which is convenient for assembly or disassembly of the entire screen cylinder and replacement of the entire screen cylinder.

[0026] In one embodiment, see Figure 1 As shown, a plurality of supporting legs 11 are arranged under the mounting frame 1 for supporting the entire mounting frame 1 .

[0027] The above contents are merely examples and explanations of the structure of the utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the utility model.

Claims

1. A pull rod adjustable drum screening mechanism, comprising a mounting frame (1), characterized in that: A driving mechanism (2) is arranged on one side above the mounting frame (1); a first bearing seat (3) and a second bearing seat (4) are symmetrically arranged on the mounting frame (1); an output end of the driving mechanism (2) is rotatably connected to the first bearing seat (3); an intermediate shaft tube (5) is rotatably connected between the first bearing seat (3) and the second bearing seat (4); a plurality of screen body assemblies (6) are sleeved on the intermediate shaft tube (5); and a plurality of connecting plates (7) are detachably connected between the plurality of screen body assemblies (6).

2. The pull rod adjustable drum screening mechanism according to claim 1, characterized in that: The driving mechanism (2) comprises a reduction motor (21), the reduction motor (21) being arranged on one side of the upper part of the mounting frame (1), the output end of the reduction motor (21) being connected to a transmission sprocket (23) via a transmission chain (22), the transmission sprocket (23) being rotatably connected to the first bearing seat (3), and an intermediate shaft tube (5) being fixedly connected to the transmission sprocket (23).

3. The pull rod adjustable drum screening mechanism according to claim 1, characterized in that: The screen body assembly (6) comprises a support ring body (61), the support ring body (61) is sleeved on the intermediate shaft tube (5), an adjustment rod (62) is arranged on the support ring body (61) along the circumferential direction, and a segmented arc plate (63) is detachably connected to the adjustment rod (62).

4. The pull rod adjustable drum screening mechanism according to claim 3, characterized in that: The adjusting pull rod (62) comprises a first supporting rod body (621), one end of the first supporting rod body (621) is arranged on the supporting ring body (61), the first supporting rod body (621) is internally threadedly connected with a bidirectional screw rod (622), the end of the bidirectional screw rod (622) away from the first supporting rod body (621) is threadedly connected with a second supporting rod body (623), and the second supporting rod body (623) is detachably connected with a segmented arc plate (63).

5. The pull rod adjustable drum screening mechanism according to claim 4, characterized in that: A connecting plate (7) is detachably connected between two adjacent segmented arc plates (63).

6. The pull rod adjustable drum screening mechanism according to claim 1, characterized in that: A plurality of supporting legs (11) are arranged below the mounting frame (1).

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