CN207549227U - A kind of football mold - Google Patents

Abstract

The utility model discloses a kind of football mold, including upper mold, lower die and mold core, the upper die and lower die open up hemispherical cavity, and two hemispherical cavities merge into a complete spherical cavity, the maximum outer ring of the hemispherical cavity opens up the annular groove communicated with hemispherical cavity, the mold core is hollow ball structure, the mold core is fixedly connected by connector with upper mold, and connector is located in annular groove, the mold core is since connector effect is in vacant state, the upper mold, after lower die and mold core merge, football cavity is formed between mold core and upper mold and lower die, the lower end fixed setting guide post of the upper mold.The utility model is simple and reasonable, easy to use, cost is relatively low, it is connected between upper mold and lower die by multiple guide posts and guide hole, effectively enhance the stability of mold, connection between air admission hole, guide hole and venthole simultaneously, can effectively ensure that charging and in football forming process gas discharge, so as to ensure football surface smooth even.

Description

a football mold

technical field

The utility model relates to the technical field of moulds, in particular to a football mould.

Background technique

The mold refers to the tool that makes the blank into a product of a specific shape and size under the action of external force. In the industry, mold injection molding, blow molding, and extrusion molding are used to obtain various required products. Different molds are composed of different parts. The structure of the mold plays a vital role in the quality of the molded product.

The molds all have specific contours or inner cavity shapes, and different three-dimensional shapes can be obtained according to different inner cavity moldings. The mold is a precision tool, and the reasonableness of its structure setting and the setting of key components such as the cavity and core inside the mold have a great influence on the quality of the product.

Football molds are used to produce footballs. Due to defects in the structure of the mold or defects in the connecting parts between the upper and lower molds, the existing football molds have poor mold stability, and the surface of the finished football is not smooth or the football is spherical. affected.

Utility model content

The purpose of the utility model is to provide a football mold aiming at the defects and deficiencies of the prior art.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a football mold, including an upper mold, a lower mold and a mold core. Two hemispherical cavities merge into a complete spherical cavity, the largest outer ring of the hemispherical cavity is provided with an annular groove communicating with the hemispherical cavity, the mold core is a hollow spherical structure, and the mold core is connected to the upper mold through a connecting piece Fixedly connected, and the connecting piece is located in the annular groove, the mold core is suspended due to the action of the connecting piece, after the upper mold, the lower mold and the mold core are combined, a football cavity is formed between the mold core, the upper mold and the lower mold , the lower end of the upper die is fixedly provided with a guide post, the upper end of the upper die is provided with an injection hole, the lower end of the injection hole is provided with a feed channel, the feed channel communicates with the football cavity, and the lower die A guide hole matched with the guide post is provided, an air inlet is provided on the side of the guide hole obliquely, and an air hole is provided at the lower end of the guide hole, and the air inlet communicates with the side of the annular groove.

Further, a lifting device is fixedly installed on the upper end of the upper mold, and the lifting device is a hydraulic cylinder or a pneumatic cylinder.

Further, the lower end of the lower mold is fixedly provided with a mounting plate, and the mounting plate is fixedly mounted on the working table by bolts.

Further, the connectors are distributed in a circular matrix.

Further, a material blocking rod is provided in the injection hole, and the material blocking rod is detachably connected to the injection hole.

After adopting the above structure, the beneficial effects of the utility model are as follows:

The utility model has the advantages of simple and reasonable structure, convenient use and low cost. The upper mold and the lower mold are connected through a plurality of guide pillars and guide holes, which effectively enhances the stability of the mold. The communication between them can effectively ensure the feeding and gas discharge during the football forming process, so as to ensure the smooth and uniform surface of the football.

Description of drawings

Fig. 1 is the unclosed structural representation of the utility model;

Fig. 2 is a schematic structural diagram of the utility model after closing.

Explanation of reference signs:

1 upper mold, 2 lower mold, 3 mold core, 4 hemispherical cavity, 5 annular groove, 6 connector, 7 football cavity, 8 guide post, 9 injection hole, 10 feed channel, 11 guide hole, 12 inlet Air holes, 13 air outlets, 14 lifting devices, 15 mounting plates.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific embodiments described here are only used to explain the present utility model, and are not intended to limit the present utility model.

Referring to Fig. 1-2, a football mold includes an upper mold 1, a lower mold 2 and a mold core 3. Both the upper mold 1 and the lower mold 2 have a hemispherical cavity 4, and the two hemispherical cavities 4 are combined into a complete The spherical cavity, the largest outer ring of the hemispherical cavity 4 is provided with an annular groove 5 communicating with the hemispherical cavity, the mold core 3 is a hollow sphere structure, the mold core 3 is fixedly connected with the upper mold 1 through the connecting piece 6, and the connecting piece 6 is located at In the annular groove 5, the mold core 3 is in a suspended state due to the action of the connector 6. After the upper mold 1, the lower mold 2 and the mold core 3 are combined, a football cavity 7 is formed between the mold core 3, the upper mold 1 and the lower mold 2. The lower end of patrix 1 is fixedly provided with guide post 8, and the upper end of patrix 1 is provided with feed hole 9, and the lower end of feed hole 9 is provided with feeding passage 10, and feed passage 10 is communicated with football cavity 7, and lower die 2 is provided with The guide hole 11 that guide post 8 cooperates, the side of guide hole 11 obliquely offers air inlet 12, and the lower end of guide hole 11 offers air hole 13, and inlet hole 12 communicates with the side of annular groove 5. The guide post 8 and the guide hole 11 effectively enhance the stability of the mould. At the same time, the communication between the air inlet 12, the guide hole 11 and the air outlet 13 can effectively ensure the feeding and gas discharge during the football molding process, thereby Ensure the football surface is smooth and even.

In this embodiment, a lifting device 14 is fixedly installed on the upper end of the upper mold 1, and the lifting device 14 is a hydraulic cylinder or a pneumatic cylinder. The lifting device 14 provides stable power for the closing between the upper mold and the lower mold to ensure product quality.

In this embodiment, the lower end of the lower mold 2 is fixedly provided with a mounting plate 15, and the mounting plate 15 is fixedly mounted on the working table by bolts.

In this embodiment, the connectors 6 are distributed in a circular matrix. The connecting pieces 6 distributed in a matrix can ensure the stability and firmness between the mold core 3 and the upper mold 1 .

In this embodiment, a material blocking rod is provided in the injection hole 9, and the material blocking rod is detachably connected with the injection hole 9. The purpose is to block the material when the injection is about to be full and prevent overflow.

The above is only used to illustrate the technical solution of the utility model without limitation, other modifications or equivalent replacements made by those skilled in the art to the technical solution of the utility model, as long as they do not depart from the spirit and scope of the technical solution of the utility model , should be covered in the scope of the claims of the present utility model.

Claims (5)

1. a kind of football mold, including including upper mold (1), lower die (2) and mold core (3), it is characterised in that：The upper mold (1) and Lower die (2) opens up hemispherical cavity (4), and two hemispherical cavities (4) merge into a complete spherical cavity, the hemispherical cavity (4) maximum outer ring opens up the annular groove (5) communicated with hemispherical cavity, and the mold core (3) is hollow ball structure, the mold core (3) be fixedly connected by connector (6) with upper mold (1), and connector (6) is in the annular groove (5), the mold core (3) due to Connector (6) effect is in vacant state, after the upper mold (1), lower die (2) and mold core (3) merge, mold core (3) and upper mold (1) And between lower die (2) formed football cavity (7), the upper mold (1) lower end fixed setting guide post (8), the upper mold (1) it is upper End opens up material hole (9), and the lower end of the material hole (9) opens up feed channel (10), the feed channel (10) and football cavity (7) Connection, the lower die (2) opens up opens up air inlet with guide post (8) matched guide hole (11), the side inclination of the guide hole (11) Hole (12), the lower end of the guide hole (11) open up venthole (13), and the air admission hole (12) connects with the side of annular groove (5).

2. a kind of football mold according to claim 1, it is characterised in that：The upper end of the upper mold (1) is also fixedly installed Lifting gear (14), the lifting gear (14) are hydraulic cylinder or pneumatic cylinder.

3. a kind of football mold according to claim 1, it is characterised in that：The lower end fixed setting installing plate of the lower die (15), the installing plate (15) is mounted by means of bolts on work top.

4. a kind of football mold according to claim 1, it is characterised in that：The connector (6) matrix distribution in a ring.

5. a kind of football mold according to claim 1, it is characterised in that：Material stopping bar, institute are equipped in the material hole (9) Material stopping bar is stated to be detachably connected with material hole (9).