Equipment and process for producing water hose
A technology of production equipment and production process, which is applied in the field of hose production equipment and hose production technology, can solve the problems of difficult to accurately control the diameter of the hose pipe, use another one, and the seam joints are not durable, etc., and achieve the production process. Easy operation, easy production, stable folding and forming effect
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Embodiment 1
[0032] figure 1 , figure 2 The shown hose production equipment includes a guide roller 9, two left and right inclined rollers 6, an annular die 5, an outer forming die 1, an inner sizing die 2, an extruder 3, and upper and lower paired nip rollers; The paired nip rollers include the rubber pressure roller 41 at the top and the driving roller 42 at the bottom; the diameter of the ring die 5 is close to the diameter of the hose to be produced, and the inclination angles of the left and right oblique rollers 6 and The horizontal distance is adjustable; the extruder 3 is provided with an extruder head 31 . Inclined roller 6, circular ring die 5, outer forming die 1, inner sizing die 2, extruder head 31, and nip rolls are arranged in sequence from back to front; Figure 10 , Figure 8 As shown, the cross-sectional shape of the outer molding die 1 includes two horizontal U-shaped jackets 15, 16 up and down, and the upper wing 11 of the upper U-shaped jacket 15 and the lower wing...
Embodiment 2
[0037] figure 1 , figure 2 The shown hose production process adopts the hose production equipment of Embodiment 1, including the following steps:
[0038] (1), pull the planar and strip-shaped wall material 7 forward, and gradually make the left and right side edges of the strip-shaped wall material close together during the advancing process; wherein the wall material is first drawn to pass between the left and right two oblique rollers 6, Make the wall material 7 preliminarily bend, such as image 3 Shown; Draw the wall material again and pass through the annular die 5, make the wall material 7 bend and become nearly circular, as Figure 4 shown;
[0039] (2), pull the curved wall material 7 to move forward and pass through the outer forming die 1, so that when the wall material passes through the outer forming die, the cross section of the wall material 7 is along the fold line A 1 A 2 A 3 A 4 A 5 A 6 The indicated path collapses, as in Figure 5 shown; Figure ...
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