CN213198737U

CN213198737U - Injection molding and blow molding combined mold for manufacturing sprayer

Info

Publication number: CN213198737U
Application number: CN202021746047.XU
Authority: CN
Inventors: 施维昇; 李冬华; 刘利兴
Original assignee: Nadfinlo Plastic Industry Kunshan Co ltd
Current assignee: Nadfinlo Plastic Industry Kunshan Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-05-14
Anticipated expiration: 2030-08-20

Abstract

The utility model provides a mould that is used for making moulding plastics of atomizer and combines with blow molding, includes atomizer spray tank, atomizer assembly portion, public mould and master model lock are in the same place, atomizer assembly portion and atomizer spray tank integrated into one piece in public mould and master model to atomizer assembly portion is fixed to be set up the upper end on one side of atomizer spray tank, atomizer assembly portion and atomizer spray tank constitute "h" structure, the cross-section of atomizer assembly portion is the U type. A mould for making moulding plastics of atomizer and blowing combine, simple structure, reasonable, convenient to use, the application is with low costs, adaptability is good, through the injection mold who sets up and the integrated into one piece mould that the blowing combines, can make material high pressure extrusion under the plastic state, make material density greatly increased, can obtain the atomizer assembly portion of high strength to the atomizer spray tank of the blow molding that the cooperation set up has increased the life of atomizer.

Description

Injection molding and blow molding combined mold for manufacturing sprayer

Technical Field

The utility model belongs to the technical field of the mould, specifically, relate to a mould that combines with the blowing of moulding plastics for making the atomizer.

Background

The sprayer is one of the common tools in rural areas and is used for spraying pesticides. The liquid medicine box is required to be corrosion resistant, high in strength, free of deformation and free of leakage, and is suitable for being used outdoors for a long time. However, common plastic materials have low density and low strength, and are easy to age when used outdoors. These factors all contribute to a reduction in the life of the spray tank. In order to overcome the problem that the material performance of the sprayer cannot be changed, the structure of the sprayer is improved, the whole wall thickness of the original sprayer is 3mm, as shown in fig. 1 and 2, the structural schematic diagram of the sprayer is shown, the wall thickness of the area which is difficult to mold by blow molding at the upper part of the improved sprayer is designed to be 6mm, and the area which is easy to mold by blow molding at the lower part of the sprayer is 3 mm.

However, in the current process of using existing molds to produce the sprayer of fig. 1 and 2, two sets of molds, blow molding and injection molding, are generally required to produce a sprayer that meets the wall thickness requirements of the newly designed sprayer. And the blow mold and the injection mold of current atomizer processing have relatively poor structural stability, and the installation is inconvenient, and machining efficiency is lower, and life is not long.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a mould that combines with blowing of moulding plastics for making the atomizer has solved and has need to adopt two sets of moulds to carry out the processing of the atomizer wall thickness of different wall thicknesses among the prior art, causes manufacturing cost to increase to the subsection is handled in the production and processing process, has reduced work efficiency's problem.

The technical scheme is as follows: the utility model provides a mould that combines of moulding plastics and blowing for making atomizer, including atomizer spray tank, atomizer assembly portion, public mould and master model lock are in the same place, atomizer assembly portion and atomizer spray tank integrated into one piece in public mould and master model to the fixed upper end that sets up in atomizer spray tank one side of atomizer assembly portion, atomizer assembly portion and atomizer spray tank constitute "h" structure, the cross-section of atomizer assembly portion is the U type.

Further, in the injection molding and blow molding combined mold for manufacturing the sprayer, the wall thickness of the liquid medicine box of the sprayer is smaller than that of the assembling part of the sprayer.

Further, the above injection molding and blow molding combined mold for manufacturing the sprayer has a sprayer liquid tank wall thickness of 3mm and a sprayer assembling portion wall thickness of 6 mm.

Furthermore, the mould for manufacturing the sprayer and combining injection molding and blow molding is characterized in that a first sprayer blow molding cavity and an assembly part injection molding convex part are arranged on one end surface of the male mould, and the first sprayer blow molding cavity is connected with the assembly part injection molding convex part.

Further, foretell a mould that combines with blow molding for making the atomizer, be equipped with atomizer blow molding cavity two and assembly portion injection moulding cavity two on the terminal surface of master model, atomizer blow molding cavity two and assembly portion injection molding cavity two intercommunication, atomizer blow molding cavity one and the two lock of atomizer blow molding cavity constitute the blow molding cavity of atomizer liquid medicine case together, assembly portion injection molding convex part and the two lock of assembly portion injection molding cavity constitute the injection molding cavity of atomizer assembly portion together.

Further, according to the injection molding and blow molding combined mold for manufacturing the sprayer, the first sprayer blow molding cavity, the second sprayer blow molding cavity and the second assembly injection molding cavity are all of a concave structure, and the bottom surface of the second sprayer blow molding cavity and the bottom surface of the second assembly injection molding cavity are located on the same plane.

Further, according to the injection molding and blow molding combined mold for manufacturing the sprayer, at least one arc-shaped groove is formed in the end face, attached to the male mold, of the female mold, at least one arc-shaped convex part is formed in the end face, attached to the female mold, of the male mold, and the arc-shaped convex part can be arranged in the arc-shaped groove. In the die assembly process of the male die and the female die, the arc-shaped convex part can be embedded into the arc-shaped groove to guide the die assembly of the male die and the female die, so that the position deviation is avoided.

Further, in the injection molding and blow molding combined mold for manufacturing the sprayer, the end face of the female mold, which is attached to the male mold, is set to be the first step face, and the end face of the male mold, which is attached to the female mold, is set to be the second step face. In the die assembling process of the male die and the female die, the set first step surface and the set second step surface can be well matched in position, and meanwhile, the contact area between the male die and the female die is increased.

Further, in the injection molding and blow molding combined mold for manufacturing the sprayer, a set of reinforcing ribs is arranged between the upper end surface of the sprayer liquid medicine box and the side wall of the sprayer assembling part. The connection intensity between the thin-walled sprayer assembling part and the sprayer liquid medicine box is improved by the aid of the set reinforcing ribs, and the connection part of the sprayer liquid medicine box and the sprayer assembling part is prevented from being broken under the long-term stress condition.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: a mould for making moulding plastics of atomizer and blowing combine, simple structure, reasonable, convenient to use, the application cost is low, adaptability is good, through the injection mold who sets up and the integrated into one piece mould that the blowing combines, can make material high pressure extrusion under the plastic state, make material density greatly increased, can obtain the atomizer assembly portion of high strength to the atomizer spray tank of the blow molding that the cooperation set up has increased the life of atomizer, has very high spreading value.

Drawings

Fig. 1 is a schematic structural view of the sprayer according to the present invention;

fig. 2 is a front view of the sprayer according to the present invention;

fig. 3 is a schematic structural view of the male mold of the present invention;

fig. 4 is a schematic structural view of the male mold of the present invention;

fig. 5 is a schematic structural view of the female mold of the present invention.

In the figure: the sprayer comprises a sprayer liquid medicine box 1, a sprayer assembling part 2, a male die 3, a sprayer blow molding cavity I31, an assembling part injection molding convex part 32, an arc convex part 33, a step surface II 34, a female die 4, a sprayer blow molding cavity II 41, an assembling part injection molding cavity II 42, an arc groove 43 and a step surface I44.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The injection molding and blow molding combined mold for manufacturing the sprayer as shown in fig. 1-5 comprises a sprayer liquid medicine box 1, a sprayer assembling part 2, a male mold 3 and a female mold 4, wherein the male mold 3 and the female mold 4 are buckled together, the sprayer assembling part 2 and the sprayer liquid medicine box 1 are integrally formed in the male mold 3 and the female mold 4, the sprayer assembling part 2 is fixedly arranged at the upper end part of one side of the sprayer liquid medicine box 1, the sprayer assembling part 2 and the sprayer liquid medicine box 1 form an h-shaped structure, and the section of the sprayer assembling part 2 is U-shaped.

According to the design requirement of the strength of the sprayer liquid medicine box 1 and the sprayer assembling part 2, the wall thickness of the sprayer liquid medicine box 1 is smaller than that of the sprayer assembling part 2. Specifically, the wall thickness of the sprayer liquid medicine box 1 is H2: 3mm, the wall thickness of the nebulizer mount 2 being H1: 6 mm. A group of reinforcing ribs 11 are arranged between the upper end surface of the sprayer liquid medicine box 1 and the side wall of the sprayer assembling part 2.

In addition, a first sprayer blow molding cavity 31 and a mounting part injection molding convex part 32 are arranged on one end surface of the male die 3, and the first sprayer blow molding cavity 31 is connected with the mounting part injection molding convex part 32. The sprayer blow molding cavity II 41 and the assembly part injection molding cavity II 42 are arranged on one end face of the female die 4, the sprayer blow molding cavity II 41 is communicated with the assembly part injection molding cavity II 42, the sprayer blow molding cavity I31 and the sprayer blow molding cavity II 41 are buckled together to form a blow molding cavity of the sprayer liquid medicine box 1, and the assembly part injection molding convex part 32 and the assembly part injection molding cavity II 42 are buckled together to form an injection molding cavity of the sprayer assembly part 2. The first sprayer blow molding cavity 31, the second sprayer blow molding cavity 41 and the second assembling part injection molding cavity 42 are all of concave structures, and the bottom surface of the second sprayer blow molding cavity 41 and the bottom surface of the second assembling part injection molding cavity 42 are located on the same plane. The end face of the female die 4, which is attached to the male die 3, is provided with at least one arc-shaped groove 43, the end face of the male die 3, which is attached to the female die 4, is provided with at least one arc-shaped convex part 33, and the arc-shaped convex part 33 can be arranged in the arc-shaped groove 43. The end face of the female die 4, which is attached to the male die 3, is set to be a first step face 44, and the end face of the male die 3, which is attached to the female die 4, is set to be a second step face 34.

The overall wall thickness of the original sprayer is 3mm, the wall thickness of the area, which is difficult to be formed by blow molding, of the sprayer assembly part 2 on the upper part of the sprayer which is improved at present is designed to be 6mm, and the area, which is easy to be formed by blow molding, of the lower part of the sprayer liquid medicine box 1 is 3 mm. When materials are subjected to blow molding in a mold, a softened thermoplastic parison is placed into a female mold 4, a male mold 3 and the female mold 4 are closed, the materials are extruded into a structure of a second injection molding cavity 42 of an assembly part with the thickness of 6mm by the pressure of air pressure to form a structure corresponding to an assembly part 2 of the sprayer, so that the product is integrated, and meanwhile, the first injection molding cavity 31 and the second injection molding cavity 41 of the sprayer are subjected to blow molding to form a structure of a liquid medicine tank 1 of the sprayer, so that the male mold 3 and the female mold 4 are subjected to blow molding and injection molding simultaneously to form an integrally molded sprayer.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. A mould that is used for making injection moulding and blow molding of atomizer to combine, its characterized in that: including atomizer liquid medicine case (1), atomizer assembly portion (2), public mould (3) and master model (4) lock together, atomizer assembly portion (2) and atomizer liquid medicine case (1) integrated into one piece in public mould (3) and master model (4) to atomizer assembly portion (2) are fixed to be set up the upper end in atomizer liquid medicine case (1) one side, atomizer assembly portion (2) and atomizer liquid medicine case (1) constitute "h" structure, the cross-section of atomizer assembly portion (2) is the U type.

2. A combined injection and blow mould for making sprayers as claimed in claim 1, characterized in that: the wall thickness of the sprayer liquid medicine box (1) is smaller than that of the sprayer assembling part (2).

3. A combined injection and blow mould for making sprayers as claimed in claim 2, characterized in that: the wall thickness of atomizer spray tank (1) is 3mm, the wall thickness of atomizer assembly portion (2) is 6 mm.

4. A combined injection and blow mould for making sprayers as claimed in claim 2, characterized in that: be equipped with atomizer blow molding cavity (31) and assembly part injection moulding convex part (32) on the terminal surface of public mould (3), atomizer blow molding cavity (31) and assembly part injection moulding convex part (32) are connected.

5. A combined injection and blow mould for making sprayers as claimed in claim 4, characterized in that: be equipped with atomizer blow molding cavity two (41) and assembly part injection moulding cavity two (42) on the terminal surface of mother mould (4), atomizer blow molding cavity two (41) and assembly part injection moulding cavity two (42) intercommunication, atomizer blow molding cavity one (31) and atomizer blow molding cavity two (41) lock together and constitute the blow molding cavity of atomizer spray tank (1), assembly part injection moulding convex part (32) and assembly part injection moulding cavity two (42) lock together and constitute the injection moulding cavity of atomizer assembly part (2).

6. A combined injection and blow mould for making sprayers as claimed in claim 5, characterized in that: the first sprayer blow molding cavity (31), the second sprayer blow molding cavity (41) and the second assembling part injection molding cavity (42) are of a concave structure, and the bottom surface of the second sprayer blow molding cavity (41) and the bottom surface of the second assembling part injection molding cavity (42) are located on the same plane.

7. A combined injection and blow mould for making sprayers as claimed in claim 5, characterized in that: the female die is characterized in that at least one arc-shaped groove (43) is formed in the end face, attached to the male die (3), of the female die (4), at least one arc-shaped convex part (33) is formed in the end face, attached to the female die (4), of the male die (3), and the arc-shaped convex part (33) can be arranged in the arc-shaped groove (43).

8. A combined injection and blow mould for making sprayers as claimed in claim 1, characterized in that: the end face, attached to the male die (3), of the female die (4) is provided with a first step face (44), and the end face, attached to the female die (4), of the male die (3) is provided with a second step face (34).

9. A combined injection and blow mould for making sprayers as claimed in claim 1, characterized in that: a group of reinforcing ribs (11) are arranged between the upper end face of the sprayer liquid medicine box (1) and the side wall of the sprayer assembling part (2).