一种螺杆机筒内壁耐磨层喷涂装置
By using a threaded sleeve to move the screw and nozzle, combined with a hydraulic rod and synchronous belt drive, the inner and outer walls of the screw barrel are sprayed simultaneously, solving the problem of the inner wall being unable to be sprayed and improving the wear resistance and service life of the barrel.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG JINXING INJECTION SCREWS MFR
- Filing Date
- 2025-08-05
- Publication Date
- 2026-07-17
Smart Images
Figure CN224507387U_ABST
Abstract
Claims
1. A device for spraying a wear layer on the inner wall of a screw barrel, characterized in that, The device includes a base (1), a support plate (5) and multiple support blocks (2) on the top of the base (1). A spraying assembly for spraying the outer and inner walls of the barrel is provided on the top of the support plate (5). A rotating rod (3) is rotatably arranged between the two support blocks (2). Support rollers (4) for supporting the barrel are provided on both sides of the rotating rod (3). A threaded sleeve (17) is rotatably arranged inside the support plate (5). A screw (9) is provided in the internal thread of the threaded sleeve (17). A first nozzle (18) for spraying the inner wall of the barrel is provided at one end of the screw (9). A limit slider (10) is provided at the other end of the screw (9). A limit groove for the limit slider (10) to move is provided on the top of the base (1).
2. A device for spraying a wear resistant layer on the inner wall of a screw barrel according to claim 1, characterized in that The base (1) is provided with a motor (11) on top. The output shaft of the motor (11) is connected to one of the rotating rods (3) through a coupling. The rotating rod (3) is provided with a first synchronous pulley (15) on its outside.
3. A device for spraying a wear resistant layer on the inner wall of a screw barrel according to claim 2, characterized in that The threaded sleeve (17) is provided with a second synchronous pulley (19) on its outside. The second synchronous pulley (19) and the first synchronous pulley (15) are connected by a synchronous belt (16).
4. A device for spraying a wear resistant layer on the inner wall of a screw barrel according to claim 1, characterized in that, The support plate (5) is provided with symmetrical hydraulic rods (12) inside. The extension end of the hydraulic rod (12) is provided with a lower pressure plate (13). The bottom of the lower pressure plate (13) is provided with symmetrical arc-shaped blocks (14). Both ends of the bottom of the arc-shaped blocks (14) are rotatably provided with extrusion rollers (22) for extruding the barrel.
5. A device for spraying a wear resistant layer on the inner wall of a screw barrel according to claim 4, characterized in that The bottom of the lower pressure plate (13) is provided with a discharge pipe (20), and the bottom of the discharge pipe (20) is connected to a plurality of second nozzles (21) for spraying the outer wall of the barrel.
6. A device for spraying a wear resistant layer on the inner wall of a screw barrel according to claim 1, characterized in that The spraying assembly includes a wear-resistant coating storage tank (8) and a feed pump (7) set on the top of the support plate (5). The input end of the feed pump (7) is connected to the inside of the wear-resistant coating storage tank (8) through a pipe. The output end of the feed pump (7) is connected to a feed pipe (6). One end of the feed pipe (6) is connected to two hoses. The two hoses are respectively connected to the inside of the discharge pipe (20) and the inside of the first spray head (18).