Door shaft device for granulator

By designing a combined structure of the fixed bracket and the door shaft, the operation difficulties and material leakage caused by the wear of the door shaft of the granulator are solved, and the stable opening and closing and sealing effect of the door is achieved, which improves the reliability of the granulator.

CN223209421UActive Publication Date: 2025-08-12LIYANG RONGDA MASCH CO LTD
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Patent Information

Application Number
CN202422461952.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-08-12
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

The door shaft of the granulator is prone to wear and corrosion after a long time of use, resulting in the door drop, difficulty in operation, and the door panel is not easy to be sealed, resulting in the problem of air and material leakage.

Method used

A device including fixing bracket, door shaft and door rotation shaft is designed. By adjusting the position of the door post by adjusting the nut and locking nut, adjusting the door rotation shaft position by using bearings and door shaft adjustment screws to achieve smooth rotation, and fixing the granulator door through the door rotation shaft, providing strong support and sealing effect.

Benefits of technology

Effectively prevent door shaft displacement, ensure smooth opening and closing of the door, avoid air and material leakage, and improve the sealing and service life of the granulator door.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223209421U_ABST
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Abstract

The utility model belongs to the technical field of granulators, and particularly discloses a door spindle device for a granulator, which comprises a fixing support, a door spindle and a door spindle, the fixing support is rectangular integrally, mounting grooves are arranged at two ends of a long side edge of the fixing support, door posts are mounted in the mounting grooves, adjusting nuts are sleeved on outer rings of the door posts, and the door spindle is arranged on the door spindle. A door rotating shaft is installed at one end of the door post, bearings are arranged at the connecting positions of the upper end and the lower end of the door rotating shaft and the door post, the bearings are transversely arranged on the door post, door shaft adjusting screw rods are arranged at the upper end and the lower end of the door rotating shaft, the door shaft adjusting screw rods are fixed to the door rotating shaft, and locking nuts are arranged outside the door shaft adjusting screw rods in a sleeving mode. The position of the door rotating shaft is adjusted through the door shaft adjusting screw rod and is locked by the locking nut, so that displacement is prevented; the granulator door is fixed through the door rotating shaft so as to provide strong support for the granulator door and cooperate with other granulator accessories to achieve the purpose of sealing the granulator door.
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Description

Technical Field

[0001] The utility model relates to the technical field of granulators, in particular to a door shaft device for a granulator. Background Art

[0002] A granulator is a device that compresses powdered materials into granules by rolling them. Its primary component is a roller press, powered by a tire hydraulic press. A variable-frequency motor drives a reduction motor to rotate a ring die, thereby compressing and shaping the powdered materials. The advantages of a granulator include its ability to produce granules of varying sizes and shapes, ease of operation, and high production efficiency. It has a wide range of applications in various fields, including medicine, food, chemicals, and agriculture.

[0003] The door shaft device of the pellet mill needs to withstand the wear and tear of the door opening and closing. The door shaft in the existing technology may be worn and corroded after long-term use. The door shaft drops, causing the pellet mill door to drop, making it difficult for the operator to open and close the door. At the same time, if the door panel is not closed tightly, air leakage and material leakage may easily occur. Utility Model Content

[0004] The purpose of the utility model is to provide a door shaft device for a granulator to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a door shaft device for a granulator, comprising a fixed bracket, a door shaft and a door rotating shaft, the fixed bracket being rectangular as a whole, and having mounting grooves at both ends of a long side of the fixed bracket, a door post being installed in the mounting groove, an adjusting nut being sleeved on the outer ring of the door post, a door rotating shaft being installed at one end of the door post, bearings being provided at the upper and lower ends of the door rotating shaft at the connection with the door post, the bearings being transversely arranged on the door post, door shaft adjusting screws being provided at the upper and lower ends of the door rotating shaft, the door shaft adjusting screw being fixed on the door rotating shaft, and a locking nut being provided on the outer sleeve of the door shaft adjusting screw.

[0006] Preferably, a connecting block is provided between the two longer sides of the fixing bracket, and the connecting block is located between the two mounting grooves.

[0007] Preferably, a plurality of fixing holes are provided on the side frame of the fixing bracket where no mounting groove is provided.

[0008] Preferably, a plurality of connection holes are equidistantly provided on the front side of the door shaft, and the door panels are fixedly installed in the connection holes.

[0009] Preferably, the door shaft adjusting screw passes through the bearing and is connected to the door shaft.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the door shaft device for a granulator of the utility model is fixed on the granulator through a fixing bracket, the fixing bracket fixes and adjusts the position of the door post through an adjusting nut, and the door shaft adjusting screw adjusts the position of the door shaft to achieve the adjustment of the up and down front and back positions of the door shaft, and is locked with a locking nut to prevent displacement; by installing bearings at both ends of the door shaft, the door shaft rotates smoothly, and the granulator door is fixed by the door shaft to provide strong support for the granulator door, and cooperate with other granulator accessories to achieve the purpose of sealing the granulator door. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the structure of the utility model;

[0012] Figure 2 It is a side view schematic diagram of the utility model;

[0013] Figure 3 It is a partially cutaway schematic diagram of the present invention.

[0014] In the figure: 1. Fixing bracket; 11. Connecting block; 12. Fixing hole; 13. Mounting slot; 2. Door post; 3. Adjusting nut; 4. Door shaft adjusting screw; 5. Locking nut; 6. Bearing; 7. Door shaft; 71. Connecting hole. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0016] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0017] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0018] See also Figure 1-3 The utility model provides a technical solution: a door shaft device for a granulator, comprising a fixed bracket 1, a door shaft and a door rotating shaft 7. The fixed bracket 1 is rectangular as a whole, and mounting grooves 13 are provided at both ends of a long side of the fixed bracket 1. The door post 2 is installed in the mounting groove 13, and an adjusting nut 3 is sleeved on the outer ring of the door post 2. The door rotating shaft 7 is installed at one end of the door post 2, and bearings 6 are provided at the connection between the upper and lower ends of the door rotating shaft 7 and the door post 2. The bearing 6 is horizontally arranged on the door post 2, and door shaft adjusting screws 4 are provided at the upper and lower ends of the door rotating shaft 7. The door shaft adjusting screw 4 is fixed on the door rotating shaft 7, and a locking nut 5 is provided on the outer sleeve of the door shaft adjusting screw 4.

[0019] Furthermore, a connecting block 11 is provided between the two longer sides of the fixing bracket 1 . The connecting block 11 is positioned between the two mounting grooves 13 . The connecting block 11 strengthens the supporting force of the fixing bracket 1 to ensure the fixation of the door panel.

[0020] Furthermore, a plurality of fixing holes 12 are provided on the side frame of the fixing bracket 1 where the mounting groove 13 is not provided. The fixing holes 12 facilitate fixing the door shaft device on the granulator.

[0021] Furthermore, a plurality of connection holes 71 are equidistantly provided on the front of the door shaft 7 , and the door panels are fixedly installed in the connection holes 71 .

[0022] Furthermore, the door shaft adjusting screw 4 passes through the bearing 6 and is connected to the door shaft 7 .

[0023] Working principle: The utility model provides a door shaft device for a granulator, comprising a fixed bracket 1, a door shaft and a door shaft 7. The fixed bracket 1 is rectangular as a whole, and mounting grooves 13 are provided at both ends of a long side of the fixed bracket 1. A door post 2 is installed in the mounting groove 13, and an adjusting nut 3 is sleeved on the outer ring of the door post 2. A door shaft 7 is installed at one end of the door post 2. Bearings 6 are provided at the upper and lower ends of the door shaft 7 and the connection between the door post 2. The bearings 6 are arranged horizontally on the door post 2. Door shaft adjusting screws 4 are provided at the upper and lower ends of the door shaft 7. The door shaft adjusting screw 4 It is fixed on the door shaft 7, and the door shaft adjusting screw 4 is provided with a locking nut 5. When the granulator needs to open or close the door, the device is fixed to the granulator through the fixing bracket 1. The fixing bracket 1 adjusts the position of the door column 2 through the adjusting nut 3, and the door shaft adjusting screw 4 adjusts the position of the door shaft 7 and locks it with the locking nut 5 to prevent displacement. Bearings 6 are installed at both ends of the door shaft 7 to make the door shaft 7 rotate smoothly, and the granulator door is fixed by the door shaft 7 to provide strong support for the granulator door and cooperate with other granulator accessories to seal the granulator door.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A door shaft device for a granulator, characterized in that: The invention comprises a fixing bracket (1), a door shaft and a door rotating shaft (7), wherein the fixing bracket (1) is rectangular as a whole, and mounting grooves (13) are provided at both ends of a long side of the fixing bracket (1), a door post (2) is installed in the mounting groove (13), an adjusting nut (3) is sleeved on the outer ring of the door post (2), a door rotating shaft (7) is installed at one end of the door post (2), bearings (6) are provided at the upper and lower ends of the door rotating shaft (7) and the connection between the door post (2), the bearings (6) are transversely arranged on the door post (2), door shaft adjusting screws (4) are provided at the upper and lower ends of the door rotating shaft (7), the door shaft adjusting screws (4) are fixed on the door rotating shaft (7), and a locking nut (5) is provided on the outer sleeve of the door shaft adjusting screw (4).

2. A door shaft device for a granulator according to claim 1, characterized in that: A connecting block (11) is provided between the two longer sides of the fixing bracket (1), and the connecting block (11) is positioned between the two mounting grooves (13).

3. A door shaft device for a granulator according to claim 1, characterized in that: A plurality of fixing holes (12) are provided on the side frame of the fixing bracket (1) where the mounting groove (13) is not provided.

4. A portal shaft device for a granulator according to claim 1, characterized in that: A plurality of connection holes (71) are equidistantly arranged on the front side of the door shaft (7), and door panels are fixedly mounted in the connection holes (71).

5. A portal shaft device for a granulator according to claim 1, characterized in that: The door shaft adjusting screw (4) passes through the bearing (6) and is connected to the door shaft (7).