Twin-screw extruder for producing medical PVC (polyvinyl chloride) granules
A twin-screw extruder and extruder technology, applied in the field of medical PVC pellet production, can solve problems such as easy blockage of feeding materials, affecting the working efficiency of the twin-screw extruder, inconvenient die replacement, etc., to achieve easy replacement Effect
Active Publication Date: 2022-03-29
高邮亚普塑业有限公司
View PDF6 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0005] Aiming at the deficiencies of the prior art, the present invention provides a twin-screw extruder for producing medical PVC pellets, which has the advantages of anti-blocking and easy die replacement, and solves the problem of feeding the existing twin-screw extruder. It is prone to clogging, requires manual dredging, and is inconvenient to replace the die, which is time-consuming and labor-intensive, which in turn affects the working efficiency of the twin-screw extruder
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0028] see Figure 1-5 , a twin-screw extruder for producing medical PVC pellets in this embodiment, comprising an extruder main body 1, a hopper 2 is fixedly installed on the top of the extruder main body 1, and an anti-blocking mechanism is arranged in the hopper 2 3. A fixing mechanism 4 is provided on the left side of the extruder main body 1, and a die 5 that is movably connected with the extruder main body 1 is fixedly installed in the fixi...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to a double-screw extruder for producing medical PVC (polyvinyl chloride) granules, which comprises an extruder main body, a hopper is fixedly mounted at the top of the extruder main body, an anti-blocking mechanism is arranged in the hopper, a fixing mechanism is arranged on the left side of the extruder main body, and a mouth mold movably connected with the extruder main body is fixedly mounted in the fixing mechanism. The anti-blocking mechanism comprises a connecting plate fixedly installed in an inner cavity of the hopper, a fixing block is fixedly installed on the right side surface of the connecting plate, a reciprocating lead screw is movably connected to an inner cavity of the fixing block, and a first gear is installed on the outer surface of the reciprocating lead screw. According to the double-screw extruder for producing the medical PVC granules, the anti-blocking mechanism works to drive the stop block to move up and down, so that the size of an opening in the bottom of the hopper is controlled, the speed of materials entering the extruder body from the hopper is controlled, the discharging speed is controlled, and the situation that a material opening is blocked due to the too high discharging speed is prevented; and the material opening can be dredged.
Description
technical field [0001] The invention relates to the technical field of production of medical PVC pellets, in particular to a twin-screw extruder for producing medical PVC pellets. Background technique [0002] The twin-screw extruder is developed on the basis of the single-screw extruder. Due to its good feeding performance, mixing and plasticizing performance, exhaust performance and extrusion stability, it has been widely used in the production of extruded products. Molding processing. [0003] In the production of medical PVC pellets, a twin-screw extruder is used, but the existing twin-screw extruder still has certain inconveniences in use. [0004] In the production of medical PVC pellets through a twin-screw extruder, blockages are prone to occur during feeding, and manual dredging is required, which affects the working efficiency of the twin-screw extruder. At the same time, in order to produce medical PVC pellets of different specifications , It is necessary to rep...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): B29B9/06B29C48/27B29C48/25B29K27/06
CPCB29B9/06B29C48/271B29C48/2562B29K2027/06Y02P70/10
Inventor 谢三亿刘文斌
Owner 高邮亚普塑业有限公司