CN217144748U - Thread inner core-pulling mechanism of virus sampling tube sputum funnel mold - Google Patents

Abstract

A virus sampling tube sputum funnel mold threaded internal core pulling mechanism comprises an upper compound plate and a lower compound plate, wherein a fixed template is arranged below the upper compound plate, a fixed distance pull groove is formed in the fixed template, a fixed template core is arranged in the fixed template, a fixed distance convex ring is arranged on the fixed template core and matched with the fixed distance pull groove, an oil cylinder is arranged in the lower compound plate and fixed with the lower compound plate, a movable template is arranged on the lower compound plate, a piston rod of the oil cylinder is connected with the movable template, a movable core is arranged in the movable template, an injection molded virus sampling tube sputum funnel is arranged between the fixed template core, the movable template and the movable core, an internal convex ring is formed on the inner wall of the upper part of the internal convex ring, the head of the fixed template core is matched with the upper part, and a lower internal thread is formed on the inner wall of the lower part of the internal convex ring of the virus sampling tube sputum funnel, the head of the movable mold core is matched with the lower internal thread.

Description

Thread inner core-pulling mechanism of virus sampling tube sputum funnel mold

Technical Field

The utility model relates to an injection mold especially relates to mechanism of loosing core in virus sampling pipe sputum funnel mould screw thread.

Background

Injection mold is after injection moulding to the working of plastics, if the system has interior convex ring in the working of plastics, and the working of plastics is located the upper portion inner wall system of interior convex ring and has last internal thread, the working of plastics is located the lower part inner wall system of interior convex ring and has down the internal thread, existing mode is usually when the mould die sinking, movable mould one side structure drives the working of plastics and moves down together, make the last internal thread of working of plastics directly deviate from the cover half core by force, the rethread thimble board is ejecting with the working of plastics, the movable mould core is deviate from by force to the lower internal thread that makes the working of plastics, the shortcoming that this structure exists is: because the outer wall of working of plastics is wrapped to the fixed die board, do not leave the space of elastic deformation for the working of plastics, directly deviate from the fixed die core by force through the last internal thread of working of plastics, easily break the internal thread of going up, perhaps make whole working of plastics warp, lead to it to scrap.

Disclosure of Invention

The utility model aims at overcoming the shortcoming that prior art exists, provide one kind and reserve the elastic deformation space for the upper portion of working of plastics, be favorable to the working of plastics to deviate from the cover half core by force, guarantee the mechanism of loosing core in the virus sampling pipe sputum funnel mould screw thread of drawing of patterns smoothly.

The utility model discloses the technical scheme of mechanism of loosing core in virus sampling pipe sputum funnel mould screw thread is: the virus sampling tube sputum funnel is characterized by comprising an upper compound plate and a lower compound plate, wherein a positioning ring and a sprue bushing are arranged on the upper compound plate, a fixed template is arranged below the upper compound plate, a fixed-distance pull groove is formed in the fixed template, a fixed mold core is arranged in the fixed template, a fixed-distance convex ring is arranged on the fixed mold core and matched with the fixed-distance pull groove, an oil cylinder is arranged in the lower compound plate and fixed with the lower compound plate, a movable template is arranged on the lower compound plate, a piston rod of the oil cylinder is connected with the movable template, a movable mold core is arranged in the movable template and fixed with the lower compound plate through a fastener, an injection-molded virus sampling tube sputum funnel is arranged among the fixed template, the fixed mold core, the movable template and the movable mold core, an inner convex ring is arranged on the inner wall of the upper part of the virus sampling tube sputum funnel, an upper inner thread is arranged on the inner wall of the upper part of the inner convex ring, the head of the core is matched with the upper inner thread, a lower inner thread of the virus sampling tube sputum funnel is arranged on the inner wall of the lower part of the inner convex ring, the head of the movable mold core is matched with the lower internal thread.

The utility model discloses a core pulling mechanism in virus sampling tube sputum funnel mould screw thread, after virus sampling tube sputum funnel injection moulding, the injection molding machine drives down the compound plate and moves down, the compound plate drives the movable mould board and moves down, simultaneously the compound plate drives the movable mould core through the fastener and moves down, because virus sampling tube sputum funnel has great packing force to the movable mould core, the movable mould core drives virus sampling tube sputum funnel and moves down together, the mould opens the mould, and the upper portion of virus sampling tube sputum funnel that is located the inner convex ring has certain packing force to the cover half core, through virus sampling tube sputum funnel drive the cover half core and move down along the distance broach groove, when the distance convex ring on the cover half core contacts with the bottom of the distance broach groove, play a limiting role to the core, the cover half core can not continue to move down, and the virus sampling tube sputum funnel has already taken off the fixed mould board at this moment, the upper portion outer wall of giving virus sampling pipe sputum funnel reserves the elastic deformation space, and the movable mould core continues to drive virus sampling pipe sputum funnel and moves down, makes its upper portion deviate from the cover half core smoothly, and the piston rod through the hydro-cylinder drives the movable mould board rebound at last, by the movable mould board with virus sampling pipe sputum funnel top up, virus sampling pipe sputum funnel deviates from the movable mould core, accomplishes the drawing of patterns. This scheme virus sampling pipe sputum funnel mould screw thread internal core pulling mechanism, when the die sinking, the cover half core follows virus sampling pipe sputum funnel earlier through the distance draw-groove and moves down together, makes the upper portion outer wall of virus sampling pipe sputum funnel reserve the elastic deformation space, makes the cover half core deviate from the upper portion of virus sampling pipe sputum funnel by force again, drives the movable mould board through the hydro-cylinder at last with the ejecting drawing of patterns of virus sampling pipe sputum funnel, guarantees that the product can the drawing of patterns smoothly, has improved the yield.

Drawings

FIG. 1 is a schematic bottom view of a threaded internal core-pulling mechanism of a sputum funnel mold of a virus sampling tube;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a schematic diagram of the structure of a virus sampling tube sputum funnel.

Detailed Description

The utility model relates to a virus sampling tube sputum funnel mould thread internal core pulling mechanism, as shown in figures 1-4, comprising an upper complex plate 1 and a lower complex plate 2, wherein the upper complex plate is provided with a positioning ring 3 and a sprue bush 4, a fixed template 5 is arranged below the upper complex plate, a fixed distance pull groove 6 is arranged in the fixed template, a fixed template core 7 is arranged in the fixed template, the fixed template core is provided with a fixed distance convex ring 8, the fixed distance convex ring is matched with the fixed distance pull groove, an oil cylinder 9 is arranged in the lower complex plate 2, the oil cylinder is fixed with the lower complex plate, a movable template 10 is arranged on the lower complex plate, a piston rod of the oil cylinder is connected with the movable template, a movable template core 11 is arranged in the movable template, the movable template core is fixed with the lower complex plate through a fastener 12, an injection molded virus sampling tube sputum 13 is arranged between the fixed template 5, the fixed template core 7, the movable template 10 and the movable template core 11, an inner convex ring 14 is arranged on the upper inner wall of the virus sampling tube sputum funnel, an upper internal thread 15 is formed on the inner wall of the upper portion of the inner convex ring of the virus sampling tube sputum funnel, the head of the fixed die core 7 is matched with the upper internal thread, a lower internal thread 16 is formed on the inner wall of the lower portion of the inner convex ring of the virus sampling tube sputum funnel, and the head of the movable die core 11 is matched with the lower internal thread. After the virus sampling tube sputum funnel 13 is injection molded, the injection molding machine drives the lower compound plate 2 to move downwards, the lower compound plate drives the movable template 10 to move downwards, meanwhile, the lower compound plate drives the movable mould core 11 to move downwards through the fastener 12, because the virus sampling tube sputum funnel 13 has larger packing force to the movable mould core, the movable mould core drives the virus sampling tube sputum funnel to move downwards together, the mould is opened, the upper part of the inner convex ring 14 of the virus sampling tube sputum funnel has certain packing force to the fixed mould core 7, the fixed mould core is driven to move downwards along the distance drawing groove 6 through the virus sampling tube sputum funnel 13, when the distance convex ring 8 on the fixed mould core is contacted with the bottom of the distance drawing groove 6, the fixed mould core is limited, the core fixed mould can not move downwards continuously, and the virus sampling tube sputum funnel 13 is separated from the fixed template 5 at the moment, an elastic deformation space is left for the upper outer wall of the virus sampling tube sputum funnel 13, the movable mould core 11 continues to drive the virus sampling tube sputum funnel 13 to move downwards, so that the upper part of the virus sampling tube sputum funnel can be smoothly separated from the fixed mould core, finally, the piston rod of the oil cylinder 9 drives the movable mould plate 10 to move upwards, the movable mould plate pushes the virus sampling tube sputum funnel 13 upwards, and the virus sampling tube sputum funnel 13 is separated from the movable mould core, so that demoulding is completed. This scheme virus sampling tube sputum funnel mould mechanism of loosing core in screw, when the die sinking, cover half core 7 moves down together with virus sampling tube sputum funnel 13 through distance draw-groove 6 is followed earlier, makes the upper portion outer wall of virus sampling tube sputum funnel 13 reserve the elastic deformation space, makes cover half core 7 deviate from virus sampling tube sputum funnel 13's upper portion by force again, drives movable mould board 10 through hydro-cylinder 9 at last and with the ejecting drawing of patterns of virus sampling tube sputum funnel 13, guarantees that the product can demold smoothly, has improved the yield.

Claims (1)

1. Mechanism of loosing core in virus sampling pipe sputum funnel mould screw thread, its characterized in that: comprises an upper compound plate (1) and a lower compound plate (2), wherein the upper compound plate is provided with a positioning ring (3) and a sprue bushing (4), the lower part of the upper compound plate is provided with a fixed template (5), a fixed distance pull groove (6) is formed in the fixed template, a fixed mold core (7) is arranged in the fixed template, a fixed distance convex ring (8) is formed on the fixed mold core, the fixed distance convex ring is matched with the fixed distance pull groove, an oil cylinder (9) is arranged in the lower compound plate (2) and is fixed with the lower compound plate, a movable template (10) is arranged on the lower compound plate, a piston rod of the oil cylinder is connected with the movable template, a movable mold core (11) is arranged in the movable template, the movable mold core is fixed with the lower compound plate through a fastener (12), an injection molded virus sampling tube sputum funnel (13) is arranged between the fixed template (5), the fixed mold core (7), the movable template (10) and the movable mold core (11), and an inner convex ring (14) is formed on the inner wall of the upper opening of the virus sampling tube sputum funnel, an upper internal thread (15) is formed on the inner wall of the upper portion of the inner convex ring of the virus sampling tube sputum funnel, the head of the fixed die core (7) is matched with the upper internal thread, a lower internal thread (16) is formed on the inner wall of the lower portion of the inner convex ring of the virus sampling tube sputum funnel, and the head of the movable die core (11) is matched with the lower internal thread.

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