CN210552677U - Injection mold capable of completely molding dental floss rod - Google Patents

Abstract

The utility model provides a can make dental floss stick complete molding's injection mold, its structure includes: a sprue for connecting injection molding machine nozzle, be used for the die cavity of shaping dental floss stick and the subchannel of connecting die cavity and sprue, be connected with the overflow runner on the die cavity, the overflow runner is used for complete shaping die cavity, the utility model discloses according to the shape of dental floss stick, designed one kind and overflowed the runner, can be at the dental floss stick in-process of moulding plastics, fully squeeze into raw and other materials for dental floss stick complete molding, the raw and other materials that overflow simultaneously can flow in the overflow runner, overflow runner and dental hook runner integrated into one piece, can be when raw and other materials flow in the inside of overflowed the runner from the dental hook runner, can not influence the formation of dental hook runner 23, guarantee the complete shaping of dental floss stick.

Description

Injection mold capable of completely molding dental floss rod

The technical field is as follows:

the utility model belongs to the technical field of the plastic mold technique and specifically relates to a can make dental floss stick complete molding's injection mold.

Background art:

injection molding is one of the most important methods for producing plastic products, and in the production process of the dental floss rod, most of the tail part of the dental floss rod is in a pointed shape due to the special shape of the dental floss rod, so that the tail part of the dental floss rod is easy to overflow in the injection molding process in the molding process of the dental floss rod, raw materials are wasted, the injection molding is insufficient, the tail part of the dental floss rod is easy to be not pointed enough, and the using effect of the dental floss rod is affected.

The utility model has the following contents:

the utility model aims at providing a can make the complete fashioned injection mold of dental floss stick, solve one or more among the above-mentioned prior art problem.

In order to solve the technical problem, the utility model provides a can make dental floss stick complete forming's injection mold, its structure includes: a subchannel for connecting injection molding machine nozzle, be used for the die cavity of shaping dental floss stick and connect die cavity and sprue, its innovation point lies in: the cavity is connected with an overflowing runner which is used for completely molding the cavity.

Further, the cavity includes: the handle runner, sword type runner and tooth hook runner, the handle runner is flat ellipse, and the top of handle runner is equipped with triangle-shaped chamber wall a, and two side faces of triangle-shaped chamber arm an are equipped with symmetrical cambered surface runner, and the sword type runner passes through triangle-shaped chamber arm an fixes at the top of handle runner, and the connecting line of two endpoints of sword type runner is parallel and is towards the sprue, and the bottom of handle runner is equipped with triangle-shaped chamber arm b, and triangle-shaped chamber arm an and triangle-shaped chamber arm b are on same horizontal plane, and the tooth hook runner passes through triangle-shaped chamber arm b to be fixed in the bottom of handle runner, and the extending direction of tooth hook runner is unanimous with the extending direction of two endpoints of sword type runner, and the bottom surface of handle runner is equipped with 15 rectangular shape archs that are parallel to.

Furthermore, the overflow flow passage is a circular cavity, an arc groove matched with the end part of the tooth hook flow passage is arranged at the top of the overflow flow passage, the arc groove is connected with the end part of the tooth hook flow passage in a seamless mode, and an inclined plane inclining downwards is arranged on the arc groove.

The beneficial effects of the utility model reside in that: the utility model provides a can make dental floss stick complete forming's injection mold, according to the shape of dental floss stick, designed one kind and overflowed the runner, can be at the dental floss stick in-process of moulding plastics, fully squeeze into raw and other materials, make dental floss stick complete forming, the raw and other materials that overflow simultaneously can flow in and overflowed the runner, overflowed runner and dental hook runner integrated into one piece, can be when raw and other materials flow in to the inside of overflowed the runner from the dental hook runner, can not influence the formation of dental hook runner, guarantee the complete forming of dental floss stick.

Description of the drawings:

fig. 1 is a schematic front structural view of the present invention.

Fig. 2 is a schematic side view of the cavity of the present invention.

Fig. 3 is a schematic view of the internal structure of the overflow channel of the present invention.

The specific implementation mode is as follows:

in order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.

Fig. 1 to fig. 3 show a specific embodiment of the present invention, which comprises a main channel 1 for connecting the nozzle of the injection molding machine, a cavity 2 for molding the dental floss stick, and a branch channel 3 connecting the cavity 2 and the main channel 1, wherein in the process of producing the dental floss stick, raw materials for producing the dental floss stick sequentially flow through the main channel 1, the branch channel 3 and the cavity 2, and the dental floss stick is finally molded in the cavity 2.

In the in-process of production dental floss stick, because the special shape of dental floss stick, the most part of dental floss stick afterbody all is the shape that is the point, in the forming process of dental floss stick, the afterbody of the process dental floss stick of moulding plastics appears very easily and overflows, extravagant raw and other materials, and it is insufficient to mould plastics, also lead to the not enough point of afterbody of dental floss stick very easily, influence the result of use of dental floss stick, in order to make the complete molding of dental floss stick, especially the shaping of dental floss stick afterbody, be connected with overflow runner 4 on the above-mentioned die cavity 2, overflow runner 4 is used for complete molding die cavity 2, in the injection moulding process of die cavity 2, can squeeze into abundant raw and other materials to the inside of die cavity 2, after die cavity 2 is progressively moulded, the raw and other materials that part spilled over can flow into the inside that overflows runner 4, and.

The utility model discloses in, because the special shape of dental floss stick, in order to facilitate overflowing the better connection of runner 4 and die cavity 2, above-mentioned die cavity includes: the handle runner 21, the knife-shaped runner 22 and the hook runner 23, the handle runner 21 is in a flat ellipse shape, the top of the handle runner 21 is provided with a triangular cavity wall a24, two side faces of a triangular cavity arm a24 are provided with symmetrical cambered runners 25, the knife-shaped runner 22 is fixed on the top of the handle runner 21 through the triangular cavity arm a24, a connecting line of two end points of the knife-shaped runner 22 is parallel and faces the main runner 1, the bottom of the handle runner 21 is provided with a triangular cavity arm b26, the triangular cavity arm a24 and the triangular cavity arm b26 are on the same horizontal plane, the hook runner 23 is fixed at the bottom of the handle runner 21 through the triangular cavity arm b26, the extension direction of the hook runner 23 is consistent with the extension direction of the two end points of the knife-shaped runner 22, the bottom surface of the handle runner 21 is provided with 15 mutually parallel elongated protrusions 27, and the lengths of the elongated protrusions.

The utility model discloses in, according to the special shape of dental floss stick, can make dental floss stick complete forming in order to guarantee to overflow full runner 4, above-mentioned overflow full runner 4 is a circular cavity, overflow full runner 4's top be equipped with the hook runner 23 tip assorted arc groove 41, arc groove 41 and hook runner 23's tip seamless connection, preferential the utility model discloses can be with overflow full runner 4 and hook runner 23 integrated into one piece, be equipped with the decurrent inclined plane 42 of slope on the arc groove 41, overflow full runner 4's edge and hook runner 23's seamless connection, can be when raw and other materials flow into overflow full runner 4's inside from hook runner 23, can not influence hook runner 23's formation, simultaneously, inclined plane 42's design can be so that the raw and other materials that overflow and other materials flow into overflow full runner 4's inside smoothly.

The utility model discloses when using, through the raw and other materials of the inside injection production dental floss stick from sprue 1, according to dental floss stick die cavity 2's shape, will overflow runner 4 and dental hook runner 23 integrated into one piece, at the in-process of moulding plastics dental floss stick, can squeeze into abundant raw and other materials to die cavity 2's inside, after die cavity 2 progressively takes shape, the raw and other materials that the part spilled over can flow in the inside that overflows full runner 4, and simultaneously, overflow runner 4 and dental hook runner 23 integrated into one piece, can be when raw and other materials flow in the inside that overflows full runner 4 from dental hook runner 23, can not influence the formation of dental hook runner 23, and simultaneously, the design of inclined plane 42 can be so that the raw and other materials that overflow flows in smoothly to the inside that overflows full runner 4.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. An injection mould capable of fully forming a dental floss rod, which is used for connecting a main runner (1) of a nozzle of an injection molding machine, a cavity (2) for forming the dental floss rod and a branch runner (3) connecting the cavity (2) and the main runner (1), and is characterized in that: the structure of the device also comprises a tooth hook flow passage (23), an overflow flow passage (4) is connected to the cavity (2), and the overflow flow passage (4) is used for completely molding the cavity (2).

2. An injection mold for a dental floss bar capable of being completely molded according to claim 1, wherein: the cavity (2) comprises: the handle runner (21) is flat and oval, a triangular cavity arm a (24) is arranged at the top of the handle runner (21), symmetrical cambered surface runners (25) are arranged on two side faces of the triangular cavity arm a (24), the knife-shaped runner (22) is fixed at the top of the handle runner (21) through the triangular cavity arm a (24), a connecting line of two end points of the knife-shaped runner (22) is parallel to and faces the main runner (1), a triangular cavity arm b (26) is arranged at the bottom of the handle runner (21), the triangular cavity arm a (24) and the triangular cavity arm b (26) are on the same horizontal plane, and the tooth hook runner (23) is fixed at the bottom of the handle runner (21) through the triangular cavity arm b (26), the extension direction of the tooth hook flow channel (23) is consistent with the extension direction of two end points of the knife-shaped flow channel (22), 15 mutually parallel strip-shaped bulges (27) are arranged on the bottom surface of the handle flow channel (21), and the length of the strip-shaped bulges (27) is different.

3. An injection mold for a dental floss bar capable of being completely molded according to claim 1, wherein: the overflow flow channel (4) is a circular cavity, the top of the overflow flow channel (4) is provided with an arc groove (41) matched with the end part of the tooth hook flow channel (23), the arc groove (41) is connected with the end part of the tooth hook flow channel (23) in a seamless mode, and the arc groove (41) is provided with an inclined surface (42) inclining downwards.

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