Direct drive structure of pressure screen

Abstract

The utility model discloses a direct drive structure of a pressurized screen, and relates to the technical field of pressurized screens. Comprising a shell, a main shaft is arranged at the lower end of the shell in a penetrating mode, the main shaft is rotationally connected with the shell, an inserting groove is formed in the lower end of the main shaft, a fixing frame is fixedly connected to the lower end of the shell, connecting grooves are formed in the two opposite side walls of the fixing frame, clamping holes are formed in the inner walls of the connecting grooves, and a mounting frame is arranged below the fixing frame. And a driving mechanism is arranged at the inner bottom of the mounting frame, two clamping mechanisms are arranged at the upper end of the mounting frame, and the two clamping mechanisms are connected to the interiors of the two connecting grooves correspondingly. The transmission mechanism is simple in structure, high in transmission efficiency and capable of being disassembled and assembled conveniently, and the driving mechanism can be overhauled and maintained conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure screens, in particular to a direct drive structure of a pressure screen. Background Art

[0002] As the most widely used screening equipment in the pulp line of the domestic paper-making industry, the technology of pressure screens is becoming increasingly mature. Domestic manufacturers have gradually transitioned from technology introduction to technological innovation, making adjustments to pressure screens from various aspects to better suit domestic paper-making enterprises.

[0003] A pressure screen generally consists of a motor, a coupling, a transmission part, a rotor, a screen drum, a housing, etc. However, these components occupy a relatively large space, and during the installation process, it is necessary to align and assemble the coupling on-site in a timely manner, which increases the production cycle and the production efficiency is not very high. At present, bolts are usually used to install and connect components such as the motor, making the disassembly and assembly of the motor not convenient enough, and thus it is not convenient for maintenance and repair. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art and propose a direct drive structure of a pressure screen.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A direct drive structure of a pressure screen includes a housing. A main shaft penetrates through the lower end of the housing, and the main shaft is rotationally connected to the housing. A slot is provided at the lower end of the main shaft. A fixed frame is fixedly connected to the lower end of the housing. Connecting grooves are provided on opposite side walls of the fixed frame, and clamping holes are provided on the inner walls of the connecting grooves. An installation frame is provided below the fixed frame. A driving mechanism is provided on the inner bottom of the installation frame, and two clamping mechanisms are provided at the upper end of the installation frame. The two clamping mechanisms are respectively connected inside the two connecting grooves.

[0007] As a further improvement of the utility model, the driving mechanism includes a motor fixedly installed on the inner bottom of the installation frame. The output shaft of the motor is fixedly connected with a plug rod, and the plug rod is inserted into the slot.

[0008] As a further improvement of the utility model, the clamping mechanism includes a connecting block fixedly connected to the upper end of the installation frame. A clamping block penetrates through the side wall of the connecting block. One end of the clamping block is inserted into the clamping hole, and a slope is provided at the end of the clamping block inserted into the clamping hole. The other end of the clamping block is fixedly connected with a fixing plate. A tension spring is sleeved on the clamping block. One end of the tension spring is fixedly connected to the side wall of the connecting block, and the other end of the tension spring is fixedly connected to the fixing plate.

[0009] As a further improvement of the present utility model, the slot is a rectangular slot, and the plug rod is a rectangular rod.

[0010] As a further improvement of the present utility model, the upper end of the plug rod is narrowed inward.

[0011] As a further improvement of the present utility model, a pull ring is fixedly connected to one end of the fixing plate away from the clamping block.

[0012] Beneficial effects of the present utility model:

[0013] By providing a main shaft, a slot, and a plug rod, the main shaft can be driven to rotate by inserting the plug rod into the slot. The structure is simple and the transmission efficiency is high.

[0014] By providing a clamping mechanism, the installation frame and the fixing frame can be quickly connected by inserting the connecting block into the connecting slot and clamping the clamping block into the clamping hole. And by removing the clamping block from the clamping hole, the connecting block can be removed from the connecting slot, thereby realizing the convenient disassembly and assembly of the installation frame and the fixing frame, which is convenient for the maintenance and repair of the driving mechanism.

[0015] The present utility model has a simple structure, high transmission efficiency, and can realize convenient disassembly and assembly, which is convenient for the maintenance and repair of the driving mechanism. Description of the drawings

[0016] Figure 1 is a schematic structural diagram of a direct drive structure of a pressure screen proposed by the present utility model;

[0017] Figure 2 is a schematic structural diagram of the connection of the housing, the fixing frame, and the main shaft of a direct drive structure of a pressure screen proposed by the present utility model;

[0018] Figure 3 is a schematic structural diagram of the connection of the driving mechanism, the installation frame, and the clamping mechanism of a direct drive structure of a pressure screen proposed by the present utility model.

[0019] In the figure: 1 housing, 2 chassis, 3 fixing frame, 4 installation frame, 5 connecting slot, 6 clamping hole, 7 main shaft, 8 slot, 9 motor, 10 plug rod, 11 connecting block, 12 clamping block, 13 tension spring, 14 fixing plate, 15 pull ring. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0021] Refer to Figures 1 - 3, A direct drive structure of a pressure screen, comprising a housing 1. A main shaft 7 penetrates through the lower end of the housing 1, and the main shaft 7 is rotatably connected to the housing 1. A slot 8 is provided at the lower end of the main shaft 7. A fixed frame 3 is fixedly connected to the lower end of the housing 1. Connecting grooves 5 are provided on opposite side walls of the fixed frame 3. Card holes 6 are provided on the inner walls of the connecting grooves 5. An installation frame 4 is provided below the fixed frame 3. A driving mechanism is provided on the inner bottom of the installation frame 4. Two clamping mechanisms are provided at the upper end of the installation frame 4, and the two clamping mechanisms are respectively connected inside the two connecting grooves 5.

[0022] In the present utility model, the driving mechanism includes a motor 9 fixedly installed on the inner bottom of the installation frame 4. The output shaft of the motor 9 is fixedly connected with a plug rod 10. The slot 8 is a rectangular slot, and the plug rod 10 is a rectangular rod. The upper end of the plug rod 10 tapers inward. The plug rod 10 is inserted inside the slot 8. By inserting the plug rod 10 into the slot 8 and driving the plug rod 10 to rotate through the motor 9, the main shaft 7 is driven to rotate by the plug rod 10. The structure is simple and the transmission efficiency is high.

[0023] The clamping mechanism includes a connecting block 11 fixedly connected to the upper end of the installation frame 4. A clamping block 12 penetrates through the side wall of the connecting block 11. One end of the clamping block 12 is inserted inside the card hole 6, and a slope is provided at the end of the clamping block 12 inserted into the card hole 6. The other end of the clamping block 12 is fixedly connected with a fixing plate 14. A tension spring 13 is sleeved on the clamping block 12. One end of the tension spring 13 is fixedly connected to the side wall of the connecting block 11, and the other end of the tension spring 13 is fixedly connected to the fixing plate 14. A pull ring 15 is fixedly connected to the end of the fixing plate 14 away from the clamping block 12. By inserting the connecting block 11 into the connecting groove 5 and clamping the clamping block 12 into the card hole 6, the quick connection of the installation frame 4 and the fixed frame 3 can be realized. And by moving the clamping block 12 out of the card hole 6, the connecting block 11 can be moved out of the connecting groove 5, thereby realizing the convenient disassembly and assembly of the installation frame 4 and the fixed frame 3, and facilitating the maintenance and repair of the driving mechanism.

[0024] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent replacements or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A direct drive structure of a pressure screen, comprising a housing (1), wherein a main shaft (7) is provided through the lower end of the housing (1), and the main shaft (7) is rotatably connected to the housing (1), characterized in that: A slot (8) is provided at the lower end of the main shaft (7); a fixed frame (3) is fixedly connected to the lower end of the housing (1); connecting grooves (5) are provided on opposite side walls of the fixing frame (3); a clamping hole (6) is provided on the inner wall of the connecting groove (5); a mounting frame (4) is provided below the fixing frame (3); a driving mechanism is provided on the inner bottom of the mounting frame (4); two clamping mechanisms are provided at the upper end of the mounting frame (4); the two clamping mechanisms are respectively connected to the inside of the two connecting grooves (5).

2. A direct drive structure of a pressure screen according to claim 1, characterized in that: The driving mechanism comprises a motor (9) fixedly mounted on the bottom of the mounting frame (4); an output shaft of the motor (9) is fixedly connected to an insertion rod (10); and the insertion rod (10) is inserted into the interior of the slot (8).

3. The direct drive structure of a pressure screen according to claim 1, characterized in that: The clamping mechanism comprises a connecting block (11) fixedly connected to the upper end of the installation frame (4); a clamping block (12) is provided through the side wall of the connecting block (11); one end of the clamping block (12) is inserted into the inside of the clamping hole (6); and the end of the clamping block (12) inserted into the clamping hole (6) is provided with an inclined surface; the other end of the clamping block (12) is fixedly connected to a fixing plate (14); a tension spring (13) is sleeved on the clamping block (12); one end of the tension spring (13) is fixedly connected to the side wall of the connecting block (11); and the other end of the tension spring (13) is fixedly connected to the fixing plate (14).

4. A direct drive structure of a pressure screen according to claim 2, characterized in that: The slot (8) is a rectangular slot, and the insertion rod (10) is a rectangular rod.

5. The direct drive structure of a pressure screen according to claim 2, characterized in that: The upper end of the insertion rod (10) is narrowed inwards.

6. A direct drive structure of a pressure screen according to claim 3, characterized in that: One end of the fixing plate (14) away from the clamping block (12) is fixedly connected with a pull ring (15).

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