CN215619619U

CN215619619U - Injection mold for manufacturing motorcycle seat cushion bottom plate

Info

Publication number: CN215619619U
Application number: CN202121164616.4U
Authority: CN
Inventors: 梁春龙
Original assignee: Jiangmen Rongsheng Industrial Co ltd
Current assignee: Jiangmen Rongsheng Industrial Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-01-25
Anticipated expiration: 2031-05-27

Abstract

The utility model relates to the technical field of injection molding, and discloses an injection mold for manufacturing a motorcycle seat cushion bottom plate, which comprises a male mold and a female mold matched with the male mold, wherein the male mold and the female mold are oppositely matched to limit and form a parting surface; the female die comprises a cavity and an insert connected with the cavity, and the free end of the insert protrudes out of the parting surface; and a positioning groove for accommodating the pin shaft is formed in the end face of the free end of the insert, and a magnetic element is arranged in the positioning groove. According to the utility model, the magnetic element is arranged in the positioning groove for placing the pin shaft, and the pin shaft is adsorbed by the magnetic element to achieve the purpose of firm positioning, so that the pin shaft is effectively prevented from deviating or falling easily due to vibration in the die closing process, the smooth die closing process is ensured, and the product quality is ensured.

Description

Injection mold for manufacturing motorcycle seat cushion bottom plate

Technical Field

The utility model relates to the technical field of injection molding, in particular to an injection mold for manufacturing a motorcycle seat cushion bottom plate.

Background

The seat cushion bottom plate of the motorcycle is formed by putting a pin shaft made of metal on an injection mold in the injection molding process and performing injection molding together. The specific process is that the injection mold is opened, the pin shaft is placed in a positioning groove of the mold, and then the mold is closed to complete the injection molding process. The locating groove of the mold only contains one part of the pin shaft, and the other part of the pin shaft is exposed in the air, so that plastic can completely wrap the pin shaft in the injection molding process to form an integrated piece. However, the pin shaft is a cylinder, and is easy to deviate or fall off when being vibrated in the mold closing process, so that the formed product is unqualified.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that a pin shaft of the injection mold for manufacturing the motorcycle seat cushion bottom plate is easy to deviate or fall off due to vibration in the mold closing process, the utility model provides the injection mold for manufacturing the motorcycle seat cushion bottom plate, which comprises a male mold and a female mold matched with the male mold, wherein a parting surface is formed by limiting the male mold and the female mold; the female die comprises a cavity and an insert connected with the cavity, and the free end of the insert protrudes out of the parting surface; and a positioning groove for accommodating the pin shaft is formed in the end face of the free end of the insert, and a magnetic element is arranged in the positioning groove.

Furthermore, the number of the magnetic elements is multiple, and the magnetic elements are arranged on the bottom side of the positioning groove at intervals.

Furthermore, a concave cavity for accommodating the magnetic element is formed at the bottom side of the positioning groove, and the upper end surface of the magnetic element is lower than the bottom side end surface of the positioning groove.

Furthermore, the bottom side of the positioning groove is in a circular arc curved surface shape.

Further, the magnetic element is cylindrical.

Further, the magnetic element is a permanent magnet.

Further, the insert is connected to the bottom side of the cavity by threaded fasteners.

Compared with the prior art, the injection mold for manufacturing the motorcycle seat cushion bottom plate has the beneficial effects that:

according to the utility model, the magnetic element is arranged in the positioning groove for placing the pin shaft, and the pin shaft is adsorbed by the magnetic element to achieve the purpose of firm positioning, so that the pin shaft is effectively prevented from deviating or falling easily due to vibration in the die closing process, the smooth die closing process is ensured, and the product quality is ensured.

Drawings

FIG. 1 is a sectional view showing a state of use of an injection mold of the present invention;

FIG. 2 is a perspective view of the insert, magnetic element and threaded fastener of the present invention;

fig. 3 is a schematic perspective view of an insert of the present invention;

in the figure, the position of the upper end of the main shaft,

1. a male die; 11. a core; 2. a female die; 21. a cavity; 3. parting surfaces; 4. an insert; 41. positioning a groove; 411. a concave cavity; 5. a magnetic element; 6. a threaded fastener; 10. and (7) a pin shaft.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

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", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered 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, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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.

Referring to fig. 1-3, fig. 1 is a sectional view of an injection mold according to the present invention in a use state, fig. 2 is a perspective view of an insert, a magnetic element and a threaded fastener according to the present invention, and fig. 3 is a perspective view of the insert according to the present invention. Specifically, the injection mold for manufacturing the motorcycle seat cushion bottom plate comprises a male mold 1 and a female mold 2 matched with the male mold 1, wherein the male mold 1 and the female mold 2 are oppositely matched to limit and form a parting surface 3; the female die 2 comprises a die cavity 21 and an insert 4 connected with the die cavity 21, and the free end of the insert 4 protrudes out of the parting surface 3; a positioning groove 41 for accommodating the pin shaft 10 is formed on the end surface of the free end of the insert 4, and a magnetic element 5 is arranged in the positioning groove 41.

It can be understood that the male die 1 and the female die 2 are combined oppositely to assemble the existing injection mould for manufacturing the motorcycle seat cushion bottom plate, wherein the female die 2 has a cavity 21 structure, the male die 1 has a core 11 structure, an injection space of the motorcycle seat cushion bottom plate is defined by combining the cavity 21 and the core 11 oppositely, and plastic is injected into the injection space to form a one-piece structure with the pin shaft 10, so that the motorcycle seat cushion bottom plate of the utility model is finally obtained.

The utility model is not limited to the connection mode between the magnetic element 5 and the positioning slot 41, and the magnetic element 5 may be detachably connected to the positioning slot 41 by screwing, bonding or clipping, or may be adhered to the inner side wall of the positioning slot 41 to form a magnetic layer. Meanwhile, the present invention is not limited to the specific structure or shape of the magnetic element 5, and the magnetic element 5 may be in a square shape or a cylindrical shape, and is adaptively designed according to the actual use situation.

Further, the magnetic member 5 of the present invention is preferably detachably attached to the positioning groove 41. In order to ensure the positioning and attracting effect of the magnetic elements 5 on the pin shaft 10, the number of the magnetic elements 5 is multiple, and a plurality of the magnetic elements 5 are arranged at intervals on the bottom side of the positioning groove 41. Illustratively, the number of the magnetic elements 5 in the present embodiment is two, and the two magnetic elements 5 are spaced apart from each other.

Further, in order to facilitate the pin 10 to be placed into the positioning groove 41, in general, the positioning groove 41 is designed according to the shape of the pin 10, that is, the positioning groove 41 is a semi-cylindrical structure, in order to avoid the magnetic element 5 from affecting the stability of the pin 10 in the positioning groove 41, a cavity 411 for accommodating the magnetic element 5 is formed at the bottom side of the positioning groove 41, and the upper end surface of the magnetic element 5 is lower than the bottom end surface of the positioning groove 41, so that after the pin 10 is placed into the positioning groove 41, the circumferential outer surface of the pin 10 is attached to the bottom side of the positioning groove 41, and the magnetic element 5 magnetically adsorbs the circumferential outer surface of the pin 10.

Further, the bottom side of the positioning groove 41 is formed in a circular arc curved surface shape.

Further, the magnetic member 5 is a permanent magnet, such as a conventional magnet.

Further, to ensure that the free end of the insert 4 protrudes outside the parting plane 3, the insert 4 is connected to the bottom side of the cavity 21 by a threaded fastener 6. The threaded fastener 6 can be a screw or a bolt, and the threaded fastener 6 with larger length and strength is used for realizing the stable connection between the insert 4 and the concave die 2, so that the stability of the insert 4 in the concave cavity 411 is improved.

To sum up, the embodiment of the utility model provides an injection mold for manufacturing a motorcycle seat cushion bottom plate, wherein a magnetic element 5 is arranged in a positioning groove 41 for placing a pin shaft 10, and the pin shaft 10 is adsorbed by the magnetic element 5 to achieve the purpose of firm positioning, so that the pin shaft 10 is effectively prevented from deviating or falling easily due to vibration in the mold closing process, the smooth operation of the mold closing process is ensured, and the product quality is ensured.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. An injection mold for manufacturing a motorcycle seat cushion bottom plate is characterized by comprising a male mold and a female mold matched with the male mold, wherein the male mold and the female mold are oppositely matched to limit and form a parting surface; the female die comprises a cavity and an insert connected with the cavity, and the free end of the insert protrudes out of the parting surface; and a positioning groove for accommodating the pin shaft is formed in the end face of the free end of the insert, and a magnetic element is arranged in the positioning groove.

2. An injection mold for manufacturing a motorcycle seat cushion bottom plate as claimed in claim 1, wherein said magnetic member is plural in number, and said plural magnetic members are provided at intervals on a bottom side of said positioning groove.

3. An injection mold for manufacturing a motorcycle seat cushion pan as claimed in claim 2, wherein a cavity for receiving the magnetic member is formed at a bottom side of the positioning groove, and an upper end surface of the magnetic member is lower than a bottom end surface of the positioning groove.

4. An injection mold for manufacturing a motorcycle seat cushion bottom plate as claimed in claim 3, wherein the bottom side of said positioning groove is in a circular arc curved shape.

5. An injection mould for making a motorcycle seat cushion pan as claimed in claim 2, wherein the magnetic elements are cylindrical.

6. An injection mould for making a motorcycle seat cushion pan as claimed in any one of claims 1 to 5, wherein the magnetic elements are permanent magnets.

7. An injection mold for making a motorcycle seat pan according to claim 1, wherein the insert is connected to the bottom side of the cavity by threaded fasteners.