An extruder for the production of chairs
A technology for extruders and chairs, which is applied in the field of extrusion manufacturing equipment for common parts of swivel chairs. It can solve problems such as complex structures, difficult disassembly and assembly, and difficult maintenance, and achieves the effect of easy use and simple structure.
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[0024] The present invention will be further described below in conjunction with the accompanying drawings.
[0025] This specific embodiment is only an explanation of the present invention, but not a limitation of the present invention. After reading the description of the present invention, any changes made by those skilled in the art will be protected by the patent law as long as they are within the scope of the claims.
[0026] Such as figure 1 As shown, an extruder for producing chairs includes a pre-extrusion machine 1 and a sub-extrusion machine 2 connected in parallel therewith, and a pharyngeal isthmus 3 is arranged between the pre-extrusion machine 1 and the sub-extrusion machine 2, The isthmus 3 is provided with a slide bar 4 for controlling fluid pressure balance, and the slide bar 4 is connected to a hydraulic cylinder 5 .
[0027] Described pre-extrusion machine 1 comprises silo 11 pre-extruded plastic pipe 12, main heater 13 and the main screw rod 14 that is l...
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