CN209775431U

CN209775431U - automobile front grille injection mold

Info

Publication number: CN209775431U
Application number: CN201920257539.3U
Authority: CN
Inventors: 雷威
Original assignee: Suzhou Sansheng Famous Mould Co Ltd
Current assignee: Suzhou Sansheng Famous Mould Co Ltd
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2019-12-13
Anticipated expiration: 2029-02-28

Abstract

The utility model relates to the technical field of dies, in particular to an injection mold for a front grille of an automobile, wherein a shaping structure comprises an upper die base, a clamping block, an ejector block and a clamping support; the inboard fluting in upper die base upper end is provided with the inner chamber, the scarf joint of inner chamber upper end has moulding template, moulding template sets up in the upper die base upper surface, moulding template outside is outstanding to have the edge of a wing, moulding template runs through the edge of a wing through the bolt and comes with upper die base fixed connection, moulding template upper surface fluting has the die cavity, the mould is through the many injected glue access structure of die cavity and the mouth of moulding plastics itself, and utilize the bar line that sets up in the die cavity, the stable shaping of packing injecting glue in-process colloid, utilize mouth of pipe chock and entrance plug to come the pipeline interface as the cooling water simultaneously, it carries out inside cooling to moulding template to fill in the inner chamber with the cooling water, it is relatively poor to have solved traditional mould in the moulding process stability of actual production in-process, the heat dissipation is.

Description

Automobile front grille injection mold

Technical Field

The utility model relates to the technical field of mold, specifically be a grid injection mold before car.

Background

the injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a molded product after cooling and solidification.

However, when the existing injection mold is applied to mass production of the front grille of the automobile, due to the characteristics of integral forming and large structure of the front grille of the automobile, the forming speed of the front grille is low in the glue injection molding process, and the heat dissipation is low after thermosetting, so that the production efficiency is low and the product consistency is poor when the injection molding equipment is matched with the mold for actual processing production.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a grid injection mold before car, the mould is through the many glue injection channel structure of die cavity and the mouth of moulding plastics of own to utilize the bar line that sets up in the die cavity, the stable shaping of packing injecting glue in-process colloid, utilize mouth of pipe chock and entrance stopper to come in and go out the pipeline interface as the cooling water simultaneously, come to carry out inside cooling to moulding template with the cooling water is sufficient in the inner chamber, it is relatively poor to have solved traditional mould moulding in-process stability of actual production, it is slow to dispel the heat simultaneously, influence production efficiency's problem.

(II) technical scheme

For realizing the aforesaid and not only having guaranteed moulding process temperature of injecting glue, the cooling heat dissipation shaping purpose such as efficient, the utility model provides a following technical scheme: the shaping structure comprises an upper die base, a clamping block, an ejector block and a clamping support; an inner cavity is formed in the inner side of the upper end of the upper die base in a slotted mode, a shaping template is embedded into the upper end of the inner cavity and arranged on the upper surface of the upper die base, a flange protrudes out of the outer side of the shaping template, the shaping template is fixedly connected with the upper die base through a bolt penetrating through the flange, and a die slot is formed in the upper surface of the shaping template; the two clamping blocks are symmetrically arranged at the left end and the right end of the upper surface of the upper die base, the glue injection ports are arranged between the clamping blocks, the holes are formed in the upper surface of the upper die base, the two glue injection ports are arranged, and the hole diameters of the glue injection ports are communicated with the die grooves of the shaping die plates; the two ejector blocks are arranged, the ejector blocks are arranged on the front surface of the upper die base in a bilateral symmetry mode, the ejector blocks are embedded with the upper die base, and the upper ends of the ejector blocks are transversely aligned with the shaping die plate; the clamping supports are embedded in four side feet at the bottom end of the upper die base, each clamping support is a U-shaped metal piece, and the outer sides of the clamping supports are clamped with the upper die base;

the cooling structure comprises a pipe orifice plug block, an inlet plug and a pipe head; the pipe orifice chock is arranged on the left side of the upper die base and is clamped with the upper die base, a grid groove pipe orifice is formed in the front face of the pipe orifice chock, the pipe diameter of the grid groove pipe orifice penetrates through the inner side of the upper die base, a plurality of water discharge ports are formed in the bottom end of the inner cavity, the grid groove pipe orifice is communicated with the water discharge ports, and an annular gasket is inserted in the middle of the grid groove pipe orifice; the inlet plugs are symmetrically arranged on the left side and the right side of the upper die base, the inlet plugs are embedded with the upper die base, the inlet plugs are arranged on the right side of the pipe orifice plug block, the front of each inlet plug is provided with an inner pipe cavity, a cooling water pipe is inserted into the inner side of each inner pipe cavity, the cooling water pipe extends to the upper end of the inner side of the upper die base, and the inner pipe cavities are communicated with the cooling water pipe; the pipe head embedding sets up in the inner chamber, the laminating of pipe head front end and moulding template bottom, condenser tube pegs graft in the pipe head rear end, condenser tube and pipe head intercommunication.

The molding die plate has the further advantages that strip-shaped grains are etched on the groove wall of the die groove in the molding die plate, and the strip-shaped grains are communicated with the groove opening at the front end of the die groove.

Further advantage, the annular gasket is a colloidal seal circle, the annular gasket inner circle is closely laminated with the grid groove mouth of pipe.

(III) advantageous effects

compared with the prior art, the utility model provides a grid injection mold before car possesses following beneficial effect: this kind of grid injection mold before car, front end notch is as a plurality of injecting glue passageways in through injecting glue mouth and moulding template die cavity, guarantee the efficiency of injection molding machine when injecting the colloid into the die cavity, simultaneously with the bar line that die cavity cell wall surface set up, avoid the colloid to cause inside gaseous shutoff behind the die cavity cell wall, thereby it is bad to lead to the local stranded gas that appears behind the grid shaping before leading to, influence the quality, regard as discrepancy water piping connection passageway with mouth of pipe chock and entrance stopper simultaneously, and along condenser tube through the cooling water, water in moulding template lower extreme from the tube head, come the mode cooling template that utilizes the cooling water to be full of inner chamber, thereby cool off fast the mould, the cooling shaping efficiency of mould has been improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural diagram of the side view of the structure of the present invention;

in the figure: 1-an upper die holder; 2-clamping blocks; 3-pipe orifice chock; 4-inlet plug; 5-shaping the template; 6-glue injection port; 7-a top block; 8-inner cavity; 9-grid slot orifice; 10-inner lumen; 11-a cooling water pipe; 12-a tube head; 13-card holder; 14-a water discharge opening; 15-ring gasket.

Detailed Description

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

As shown in FIG. 1, the utility model discloses a grid injection mold before car, including moulding structure and cooling structure.

As shown in fig. 1-3, the shaping structure comprises an upper die holder 1, a clamping block 2, an ejector block 7 and a clamping support 13; an inner cavity 8 is formed in the inner side of the upper end of the upper die holder 1 in a slotted mode, a shaping template 5 is embedded in the upper end of the inner cavity 8, the shaping template 5 is arranged on the upper surface of the upper die holder 1, a flange protrudes from the outer side of the shaping template 5, the shaping template 5 penetrates through the flange through a bolt to be fixedly connected with the upper die holder 1, and a die slot is formed in the upper surface of the shaping template 5; the two clamping blocks 2 are symmetrically arranged at the left end and the right end of the upper surface of the upper die base 1, the glue injection ports 6 are arranged between the clamping blocks 2, the glue injection ports 6 are formed in the upper surface of the upper die base 1, the two glue injection ports 6 are arranged, and the hole diameters of the glue injection ports 6 are communicated with the die grooves of the shaping die plates 5; the two ejector blocks 7 are arranged, the ejector blocks 7 are arranged on the front surface of the upper die holder 1 in a bilateral symmetry mode, the ejector blocks 7 are embedded with the upper die holder 1, and the upper ends of the ejector blocks 7 are transversely aligned with the shaping die plates 5; the four clamping supports 13 are arranged, the clamping supports 13 are embedded in four side feet at the bottom end of the upper die base 1, the clamping supports 13 are U-shaped metal pieces, and the outer sides of the clamping supports 13 are clamped with the upper die base 1; the upper die holder 1 is a polished metal block and is used as a die holder structure for fixing the shaping template 5, wherein the groove diameter of an inner cavity 8 is used for butting the shaping template 5, the specification of the groove diameter of the groove of the die in the shaping template 5 is selected according to the appearance specification of a front grid, a glue injection port 6 is used as a glue injection channel during the formation of the front grid, glue is injected into the die groove of the shaping template 5 through the glue injection port 6 by glue injection equipment for shaping after hot melting, meanwhile, the front end of the die groove of the shaping template 5 is also provided with notches to be used as three glue injection channels, and meanwhile, a fixture block 2 and a clamp support 13 fixed on the upper die holder 1 are used as positioning structures of processing devices such as the glue injection equipment, so that the upper die holder 1 is clamped and aligned with the stations of;

Strip-shaped lines are etched on the groove wall of the die groove in the shaping template 5 and are communicated with the groove opening at the front end of the die groove, and in the glue injection shaping process, when the glue flows into the die groove along the glue injection channel, the strip-shaped lines etched on the surface of the die groove can dredge gas to the outer side of the groove opening of the die groove through the groove opening when the glue is attached to the upper end, so that gas trapping is avoided;

as shown in fig. 1-3, the cooling structure includes a nozzle block 3, an inlet plug 4, and a tube head 12; the pipe orifice stopper 3 is arranged on the left side of the upper die base 1, the pipe orifice stopper 3 is clamped with the upper die base 1, the front face of the pipe orifice stopper 3 is provided with a grid groove pipe orifice 9, the pipe diameter of the grid groove pipe orifice 9 penetrates through the inner side of the upper die base 1, the bottom end of the inner cavity 8 is provided with a plurality of water discharge ports 14, the grid groove pipe orifice 9 is communicated with the water discharge ports 14, and the middle part of the grid groove pipe orifice 9 is inserted with an annular gasket 15; the inlet plugs 4 are arranged in two, the inlet plugs 4 are symmetrically arranged on the left side and the right side of the upper die base 1, the inlet plugs 4 are embedded with the upper die base 1, the inlet plugs 4 are arranged on the right side of the pipe orifice plug block 3, the front faces of the inlet plugs 4 are provided with inner pipe cavities 10 in a groove mode, the inner sides of the inner pipe cavities 10 are inserted with cooling water pipes 11, the cooling water pipes 11 extend to the upper ends of the inner sides of the upper die base 1, and the inner pipe cavities 10 are communicated with the; the pipe head 12 is embedded in the inner cavity 8, the front end of the pipe head 12 is attached to the bottom end of the shaping template 5, the cooling water pipe 11 is inserted at the rear end of the pipe head 12, and the cooling water pipe 11 is communicated with the pipe head 12; after the glue injection process is completed, a processing worker injects cooling water into the inlet plug 4, the water flow passes through the cooling water pipe 11 and is sprayed out from the pipe head 12, so that the bottom end of the inner side of the shaping template 5 is cooled, the cooling water is flushed into the inner cavity 8 from the pipe head 12, is discharged along the bottom end drain outlet 14 of the inner cavity 8 along with the downward flow of the water body, and flows out from the pipe orifice plug port 3 through the grid groove pipe orifice 9.

The annular gasket 15 is a colloidal sealing ring, the inner ring of the annular gasket 15 is tightly attached to the grid groove pipe orifice 9, the inner ring of the annular gasket 15 is used for facilitating the insertion of the water outlet pipeline into the pipe orifice plug block 3, and the annular gasket 15 is used for sealing the joint of the water outlet pipeline and the pipe orifice plug block 3;

It should be noted that the above embodiments can be freely combined as necessary. 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 and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a grid injection mold before car which characterized in that includes:

The shaping structure comprises an upper die base, a clamping block, an ejector block and a clamping support; an inner cavity is formed in the inner side of the upper end of the upper die base in a slotted mode, a shaping template is embedded into the upper end of the inner cavity and arranged on the upper surface of the upper die base, a flange protrudes out of the outer side of the shaping template, the shaping template is fixedly connected with the upper die base through a bolt penetrating through the flange, and a die slot is formed in the upper surface of the shaping template; the two clamping blocks are symmetrically arranged at the left end and the right end of the upper surface of the upper die base, the glue injection ports are arranged between the clamping blocks, the holes are formed in the upper surface of the upper die base, the two glue injection ports are arranged, and the hole diameters of the glue injection ports are communicated with the die grooves of the shaping die plates; the two ejector blocks are arranged, the ejector blocks are arranged on the front surface of the upper die base in a bilateral symmetry mode, the ejector blocks are embedded with the upper die base, and the upper ends of the ejector blocks are transversely aligned with the shaping die plate; the clamping supports are embedded in four side feet at the bottom end of the upper die base, each clamping support is a U-shaped metal piece, and the outer sides of the clamping supports are clamped with the upper die base;

2. the injection mold for the front grille of the automobile as claimed in claim 1, wherein: strip-shaped grains are etched on the wall of the die cavity in the shaping template, and the strip-shaped grains are communicated with the front end notch of the die cavity.

3. The injection mold for the front grille of the automobile as claimed in claim 1, wherein: the annular gasket is a colloidal sealing ring, and the inner ring of the annular gasket is tightly attached to the opening of the grid groove.