CN207509582U

CN207509582U - Bicycle saddle cushion integrated mould

Info

Publication number: CN207509582U
Application number: CN201721311581.6U
Authority: CN
Inventors: 李厚金
Original assignee: Jinjiang Zhicheng Mould Co Ltd
Current assignee: Jinjiang Zhicheng Mould Co Ltd
Priority date: 2017-10-11
Filing date: 2017-10-11
Publication date: 2018-06-19
Anticipated expiration: 2027-10-11

Abstract

The utility model discloses a kind of bicycle saddle cushion integrated mould, including upper mold, lower die and interior benevolence, upper chamber is offered in upper mold, sprue channel and mounting hole, mounting hole is disposed through in upper mold, sprue channel is connected with upper chamber, it is offered in lower die and the corresponding lower chambers of upper chamber, the discharge channel opposite with the part of sprue channel is provided in lower die, discharge channel and lower chambers are conducted, upper chamber and lower chambers surround the molding chamber to match with bicycle saddle cushion shape, the under shed of mounting hole is located on the inner wall of the upper chamber, interior benevolence has the die head of the outer shape of rod-shaped connecting portion and bicycle saddle cushion, connecting portion is actively located in mounting hole, die head is set in forming cavity room, compared with prior art, the utility model has the following advantages that：The utility model coordinate EVA shooting foaming machines, can one-pass molding bike saddle, production process is simple and fast, and the more existing bicycle saddle cushion of bicycle saddle cushion for producing EVA materials is more robust.

Description

Bicycle saddle cushion integrated mould

Technical field

The utility model is related to technical field of mold, more particularly to a kind of bicycle saddle cushion integrated mould.

Background technology

At present, existing most of bicycle saddle cushion internal layer usually all made of elastic material superscribes the progress of housing skin It sutures, in production, above-mentioned internal layer and housing skin carry out separating production, finally again by manually carrying out assembling seam It closes, production process is cumbersome, and production cost is higher；In addition during seat of bicycle, the buttocks of human body is mainly connect with housing skin It touches, the housing skin needs of traditional bicycle saddle cushion are subjected to repeatedly rubbing, and the length of usage time one is susceptible to breakage, if not If replacing housing skin in time, internal layer can also be worn, and can only finally replace entire seat cushion, in order to solve this problem, this Inventor molds a kind of EVA bicycle saddle cushions using EVA moulding process, since EVA has high abrasion, high intensity and high resiliency The characteristics of, and at present not yet with for making the foaming mould of EVA bicycle saddle cushions.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of for making the bike saddle of EVA bicycle saddle cushions Pad integrated mould.

In order to achieve the above objectives, the solution of the utility model is：

Bicycle saddle cushion integrated mould, it is characterised in that：Including upper die and lower die and interior benevolence, the following table of the upper mold Face is concavely provided with upper chamber and sprue channel, runs through in the upper mold and offers mounting hole, the sprue channel and upper chamber's phase Connection, the upper opening of the mounting hole are located at the upper surface of the upper mold, and the under shed of the mounting hole is located at the upper chamber Inner wall on, offered on the upper surface of the lower die with the corresponding lower chambers of the upper chamber, offer in the lower die With the corresponding discharge channel in part of the sprue channel, the discharge channel and the lower chambers are conducted, the upper chamber and institute It states lower chambers and surrounds the molding chamber to match with bicycle saddle cushion shape, the interior benevolence has rod-shaped connecting portion and positioned at even The die head of socket part lower end, the shape of the die head match with bicycle saddle cushion, are provided on the lower surface of the die head several Columnar projections, several columnar projections equidistantly arrange, and the connecting portion is actively located in the mounting hole, the die head It is set in the forming cavity room.

The columnar projections are cylindrical bump.

External screw thread is provided on one or several outer surfaces in several columnar projections.

The quantity of the upper chamber in the upper mold is two, two symmetrical distributions of upper chamber, under described The quantity of the lower chambers on mould is two, two symmetrical distributions of lower chambers.

The sprue channel and the discharge channel are respectively provided with symmetrical channel structure.

With the above structure, the utility model bicycle saddle cushion integrated mould has following advantageous effect：

First, the EVA modulated will be expected to inject in forming cavity, benevolence in pushing, adjustment temperature foams, molding time mistake Afterwards, interior benevolence, which rises, resets, and molded saddle is can be taken off after die sinking；The knot of multiple columnar projections is offered in interior benevolence Structure can make to mold the structure of mesh on the back side of bicycle saddle cushion after molding, mitigate the same of bicycle saddle cushion weight When can increase driving cushion elasticity.

2nd, rubbing between interior benevolence and molding bicycle saddle cushion can be increased by externally threaded design being offered in columnar projections Power is wiped, prevents from jumping bicycle saddle cushion mould mode hopping and then generation wrinkle in cooling procedure.

Description of the drawings

Fig. 1 is the schematic cross-sectional view of the utility model；

Fig. 2 is the overlooking the structure diagram of the upper mold in the utility model；

Fig. 3 is the overlooking the structure diagram of the lower die in the utility model；

Fig. 4 is assembled in overlooking the structure diagram during upper mold for the interior benevolence in the utility model；

In figure：1. upper mold, 11. upper chamber, 12. sprue channels, 13. mounting holes, 2. lower dies, 21. lower chambers, 22. discharge channels, Benevolence, 31. connecting portions, 32. die heads, 321. columnar projections in 3..

Specific embodiment

In order to which the technical solution of the utility model is explained further, below by specific embodiment come to the utility model into Row elaborates.

Bicycle saddle cushion integrated mould as shown in Figs 1-4, including 1, lower die 2 of a upper mold and two interior benevolence 3。

The lower surface of upper mold 1 is concavely provided with the upper chamber 11 that cross-sectional shape matches with bicycle saddle cushion, upper chamber 11 Quantity for 2,2 11 symmetrical distributions of upper chamber are further opened with sprue channel 12 in upper mold 1, and sprue channel 12 includes extension Feed channel and 2 charge channels for extending to Liang Ge upper chamber 11 to the outer surface of upper mold 1,2 charge channels is are opened in Notching construction on upper mold lower surface, 2 symmetrical distributions of feeding, 2 charge channels respectively with respectively it is close Upper chamber 11 is conducted, and the vertical mounting hole 13 for running through upper mold 1 is offered in upper mold 11, the quantity of mounting hole 13 is two, peace The under shed in dress hole 13 is located on the inner wall of upper chamber 11.

Offered on the upper surface of lower die 2 with 11 corresponding two lower chambers 21 of upper chamber, open on the lower surface of lower die 2 It is 2 equipped with the quantity with the 12 corresponding discharge channel 22 of sprue channel, discharge channel 22,2 22 symmetrical points of discharge channels Cloth, discharge channel 22 are conducted with lower chambers 21.

Sprue channel 12 forms feed channel, upper chamber 11 and the composition of lower chambers 21 and bicycle saddle cushion shape phase with discharge channel 22 Identical molding chamber.

Interior benevolence 3 has rod-shaped connecting portion 31 and the die head 32 positioned at 31 lower end of connecting portion, and die head 32 is bicycle saddle cushion Shape, on the lower surface of die head 32 molding be provided with several columned columnar projections 321, between several 321 grades of columnar projections Away from arrangement, preferably, the spacing between adjacent each two columnar projections 321 is 0.5cm, the height of several columnar projections 321 is 0.5cm-1cm, the height of the columnar projections 321 of the central part of die head 32 is higher, the columnar projections at the edge part of die head 32 321 height is relatively low, and external screw thread is provided on one or several outer surfaces in above-mentioned several columnar projections 321.

When the utility model is used, upper mold 1, lower die 2 and interior benevolence 3 are assembled, this practicality being completed is new Type is mounted on foam injection molding machine, and upper mold 1 is mutually engaged with lower die 2, and the connecting portion 31 of interior benevolence 3 is arranged in mounting hole 13, The die head 32 of interior benevolence 3 is placed in the forming cavity room, and the EVA modulated material are injected the forming cavity by entering the feed channel Interior, benevolence 3 in pushing, adjustment temperature foams, and after molding time, interior benevolence 3, which rises, to be resetted, and can be taken off after die sinking cooling Molded saddle, in addition, the structure design that multiple columnar projections 321 are offered in interior benevolence 3 can make it is after molding The structure of mesh is molded on the back side of bicycle saddle cushion, driving can be increased while bicycle saddle cushion weight is mitigated and sat The elasticity of pad, while offer externally threaded design in part cylindrical protrusion 321 and can increase interior benevolence and molding bicycle Frictional force between seat cushion prevents bicycle saddle cushion from mode hopping occurs and then generates wrinkle in cooling procedure.

The product form and style of above-described embodiment and attached drawing and non-limiting the utility model, any technical field The appropriate variation or modification that those of ordinary skill does it all should be regarded as not departing from the patent category of the utility model.

Claims

1. bicycle saddle cushion integrated mould, it is characterised in that：Including upper die and lower die and interior benevolence, the lower surface of the upper mold Upper chamber and sprue channel are concavely provided with, runs through in the upper mold and offers mounting hole, the sprue channel is connected with the upper chamber Logical, the upper opening of the mounting hole is located at the upper surface of the upper mold, and the under shed of the mounting hole is located at the upper chamber On inner wall, offered on the upper surface of the lower die with the corresponding lower chambers of the upper chamber, offer in the lower die with The corresponding discharge channel in part of the sprue channel, the discharge channel and the lower chambers are conducted, the upper chamber and described Lower chambers surround the molding chamber to match with bicycle saddle cushion shape, and the interior benevolence has rod-shaped connecting portion and positioned at connection The die head at subordinate end, the shape of the die head match with bicycle saddle cushion, and several columns are provided on the lower surface of the die head Shape protrusion, several columnar projections equidistantly arrange, and the connecting portion is actively located in the mounting hole, and the die head is set It is placed in the forming cavity room.

2. bicycle saddle cushion integrated mould as described in claim 1, it is characterised in that：The columnar projections are cylindric Protrusion.

3. bicycle saddle cushion integrated mould as described in claim 1, it is characterised in that：In several columnar projections External screw thread is provided on one or several outer surfaces.

4. bicycle saddle cushion integrated mould as described in claim 1, it is characterised in that：The epicoele in the upper mold The quantity of room is two, two symmetrical distributions of upper chamber, and the quantity of the lower chambers in the lower die is two, Two symmetrical distributions of lower chambers.

5. bicycle saddle cushion integrated mould as claimed in claim 4, it is characterised in that：The sprue channel and the blanking Road is respectively provided with symmetrical channel structure.