一种气流粉碎机用喷嘴结构
By introducing a movable nozzle and drive disc structure into the air jet mill, the problem of uneven grinding caused by fixed nozzle position is solved, enabling flexible adjustment of nozzle position and replacement of nozzles, improving grinding efficiency and equipment adaptability, and reducing maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KUNSHAN QIANGDI GRINDING EQUIP CO LTD
- Filing Date
- 2025-08-20
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional air jet mills have fixed nozzle positions, which cannot be adjusted according to material characteristics and grinding requirements, resulting in uneven grinding or low efficiency.
Design a nozzle structure that includes a movable nozzle and a drive disc. The nozzle is driven to move synchronously by an electric cylinder. The nozzle position is adjusted according to the material characteristics and crushing requirements. Combined with replaceable nozzles, it can adapt to different materials and crushing processes.
It enables flexible adjustment of nozzle position, improves crushing effect and equipment versatility, reduces maintenance costs and downtime, and improves equipment efficiency and adaptability.
Smart Images

Figure CN224507255U_ABST
Abstract
Claims
1. A nozzle structure for an air jet mill, comprising a device seat (1), characterized in that, The upper end face of the equipment base (1) is fixedly installed with a crushing shell (2), the crushing shell (2) is fixedly connected to the equipment base (1), and a number of movable nozzles (3) are evenly installed on the outer side of the crushing shell (2) along the circumferential direction. The movable nozzles (3) are slidably connected to the crushing shell (2). A drive disk (4) that drives all movable nozzles (3) to move synchronously is sleeved on the outer side of the equipment base (1). An electric cylinder (10) that drives the drive disk (4) to rotate is also installed on the lower end face of the equipment base (1). An air supply pipe group (5) is also installed at the lower end of the equipment base (1). The air supply pipe group (5) is fixedly connected to the equipment base (1).
2. The nozzle structure for an air jet mill according to claim 1, wherein The equipment base (1) includes a base plate (11) and a hanger (12) for installing the gas supply pipe assembly (5). The hanger (12) is symmetrically installed on both sides of the lower end face of the base plate (11), and the hanger (12) is fixedly connected to the base plate (11).
3. The nozzle structure for an air jet mill according to claim 2, wherein The crushing shell (2) includes a disc shell (21) and a guide shell (22) for the sealing and sliding installation of the movable nozzle (3). The guide shell (22) is evenly installed on the outer side of the disc shell (21), and the guide shell (22) and the disc shell (21) are integrally formed.
4. The nozzle structure for an air jet mill according to claim 3, wherein The movable nozzle (3) includes a main housing (31) and a nozzle (32). The main housing (31) is slidably mounted on the guide housing (22). The nozzle (32) is mounted on the inner end of the main housing (31) and is sealed and fixedly connected to the main housing (31).
5. The nozzle structure for an air jet mill according to claim 4, wherein The lower end face of the main shell (31) is provided with a linkage rod (311) that cooperates with the drive disk (4), and a connecting pipe (312) is installed at the tail of the main shell (31). Spray grooves (321) are evenly opened on the nozzle (32).
6. The nozzle structure for an air jet mill according to claim 5, wherein The drive disk (4) has a circumferential groove (41) that cooperates with the linkage rod (311), and the outer side of the seat (11) is provided with an auxiliary bearing (111) for the drive disk (4) to be installed.
7. The nozzle structure for an air jet mill according to claim 6, wherein The gas supply pipe assembly (5) includes a gas supply pipe head (51), a connecting horizontal pipe (52), and a matching pipe (53) corresponding to the connecting pipe (312). The connecting horizontal pipe (52) is fixedly installed on the hanger (12). The gas supply pipe head (51) is fixedly installed at the lower end of the connecting horizontal pipe (52). The matching pipe (53) is evenly installed at the upper end of the connecting horizontal pipe (52), and the matching pipe (53) is connected to the connecting pipe (312) through a gas supply hose.