CN214820451U - Front fog lamp cover plate injection mold - Google Patents

Abstract

The utility model discloses a front fog lamp cover plate injection mold, which comprises a front base plate, a front template, a rear template, a heat guide plate, an ejector pin base plate, an outer contour male mold, an inner contour female mold, an inner contour male mold, an outer contour female mold and a molding cavity, wherein a white plastic injection port is arranged in the middle of the front template, an inner injection channel is arranged between the white plastic injection port and the molding cavity, red plastic injection ports are arranged at the upper end and the lower end of the front template, and an outer injection channel is arranged between the red plastic injection port and the molding cavity; the utility model discloses a be provided with white plastics between front template and the back template and mould plastics mouthful and red plastics mouth of moulding plastics, mould plastics mouthful through white plastics and red plastics mouth of moulding plastics and carry out injection moulding to the shaping intracavity simultaneously, reach the double-colored blank of disposable injection moulding front fog lamp apron, after injection moulding, the mounting hole terrace die drawing of patterns back, the thimble makes the blank break away from the lower bolster, conveniently gets the material, improves machining efficiency, reduction in production cost.

Description

Front fog lamp cover plate injection mold

Technical Field

The utility model belongs to a punching tool; the technical field of mold clamping device, in particular to a front fog lamp cover plate injection mold for processing automobile spare and accessory parts.

Background

With the development of mold technology and materials, more and more existing automobile parts are processed and formed through an injection mold, particularly parts with complex structures, can be formed at one time through injection molding, and have high forming quality and good plasticity, the existing front fog lamp cover plate comprises a white upper cover body and a red lower cover body, the original front fog lamp cover plate is colored after being subjected to hot melting or one-time injection molding after twice injection molding, then a plurality of folding main body structures and asymmetrical structure connecting strips are processed, a manufacturer and a mold manufacturer pursue the maximization of mold benefits along with the compression of profit space and the improvement of labor cost, pursue the maximization of part benefits, require the mold manufacturer to produce and provide one-time stamping forming, the existing front fog lamp needs a plurality of processes and a plurality of people for processing, and lead to low yield and high manual processing cost, the efficiency is poor.

Disclosure of Invention

In view of this, an object of the utility model is to provide a front fog lamp apron injection mold, this front fog lamp apron injection mold is provided with preceding profile terrace die between through front template and the back template, back profile terrace die, back profile die, preceding profile die, white plastics mouth and the red plastics mouth of moulding plastics, mould plastics mouthful simultaneously to the shaping intracavity through white plastics mouth and red plastics mouth of moulding plastics, reach the two-color blank of disposable injection moulding front fog lamp apron, behind injection moulding, mounting hole terrace die drawing of patterns, the thimble makes the blank break away from the lower bolster, conveniently get the material, and the machining efficiency is improved, and the production cost is reduced.

In order to achieve the above purpose, the utility model relates to a front fog lamp cover plate injection mold, which comprises a front base plate, a front template, a rear template, a heat guide plate, an ejector pin plate and an ejector pin bottom plate which are arranged in sequence, wherein the front template is provided with 1 pair of outer contour male dies which are arranged symmetrically up and down and extend out of the surface of the front template near the upper side, the rear template is provided with 1 pair of inner contour female dies which are arranged correspondingly to the outer contour male dies, the rear template is provided with 1 pair of inner contour male dies which are arranged symmetrically and extend out of the surface of the rear template near the lower side, the front template is provided with 1 pair of outer contour female dies which are arranged correspondingly to the inner contour male dies, a forming cavity for accommodating the outline of the front fog lamp cover plate is enclosed among the outer contour male dies, the inner contour female dies, the middle part of the front template positioned in the 1 pair of forming cavity is provided with a white plastic injection molding opening, white plastics mould plastics mouthful and 1 all is provided with interior notes passageway of moulding between to the shaping chamber, it all is provided with red plastics and moulds plastics mouthful to lie in the shaping chamber upper end and the lower extreme of keeping away from white plastics and moulding plastics mouthful on the front template, red plastics are moulded plastics and are provided with outer notes passageway of moulding between mouthful and the shaping chamber.

Furthermore, a heat preservation cofferdam extending out of the surface of the rear template is arranged on the rear template and around the inner contour female die and the inner contour male die, and exhaust grooves are formed in the upper end and the lower end of the heat preservation cofferdam and close to the red plastic injection molding port.

Further, a pressure maintaining inflating sliding block I is arranged at the exhaust groove, the pressure maintaining inflating sliding block I is arranged on the front template, and an installation groove matched with the pressure maintaining inflating sliding block I is formed in the rear template.

Further, an inner wear-resistant block is arranged on the surface of the heat-preservation cofferdam.

Further, the thimble bottom plate is provided with a thimble, and the rear template, the hot guide plate and the thimble plate are provided with a thimble holding groove for holding the thimble.

Furthermore, the front template is internally provided with

And the heat guide flow channel is communicated with the inner contour male die and the inner contour female die.

Furthermore, a reinforcing rib slider female die and a mounting groove slider male die are arranged at the side part of the forming cavity on the rear template.

Furthermore, the front template is provided with guide holes at the periphery, and the rear template is provided with guide posts corresponding to the guide holes.

Furthermore, outer wear-resistant blocks are correspondingly arranged on the periphery of the front template and the periphery of the rear template.

The beneficial effects of the utility model reside in that:

the utility model relates to a preceding fog lamp apron injection mold is provided with preceding profile terrace die through between front template and the back template, the back profile terrace die, the back profile die, preceding profile die, white plastics mouth and the red plastics mouth of moulding plastics are moulded plastics, mould plastics mouthful simultaneously to the shaping intracavity through white plastics and red plastics mouth of moulding plastics, reach the double-colored blank of fog lamp apron before disposable injection moulding, behind the mounting hole terrace die drawing of patterns, the thimble makes the blank break away from the lower bolster, conveniently get the material, and machining efficiency is improved, and production cost is reduced.

Drawings

FIG. 1 is a front view of a prior art front fog light cover sheet product;

fig. 2 is a schematic structural view of the front fog lamp cover plate injection mold of the present invention;

FIG. 3 is a schematic structural view of a front mold plate in the injection mold for a front fog lamp cover plate of the present invention;

FIG. 4 is a schematic structural view of a rear mold plate in the injection mold for the front fog lamp cover plate of the present invention;

FIG. 5 is a front view of a front mold plate in the injection mold for a front fog lamp cover plate of the present invention;

fig. 6 is the utility model relates to a structural schematic diagram of heat-guiding plate in front fog lamp apron injection mold.

Reference numerals: 1-front cushion plate; 2-front template; 3-back template; 4-a thermal baffle; 5-ejector pin plate; 6-thimble base plate; 7-outer contour male die; 8-inner contour male die; 9-front fog lamp cover plate; 10-white upper cover body; 11-red lower cover body; 12-outer wear blocks; 13-white plastic injection molding port; 14-inner injection channel; 15-red plastic injection molding port; 16-an outer injection molding channel; 17-a pilot hole; 18-reinforcing rib slide block female die; 19-pressure maintaining inflatable sliding blocks; 20-heat preservation cofferdam; 21-an exhaust groove; 22-inner wear-resistant blocks; 23-a thimble; 24-mounting groove slide block male die; 25-a rapid cooling channel; 26-a heat diversion trench; 27-a thimble-receiving groove; 28-pressure maintaining and inflating slide block I.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Fig. 2-6 are schematic structural views of a front fog lamp cover plate injection mold of the present invention; the utility model relates to a front fog lamp cover plate injection mold, which comprises a front base plate 1, a front template 2, a rear template 3, a heat conduction flow plate 4, an ejector pin plate 5 and an ejector pin bottom plate 6 which are arranged in sequence, wherein the front template 2 is provided with 1 pair of outer contour male dies 7 which are arranged symmetrically up and down and extend out of the surface of the front template near the upper side, the rear template 3 is provided with 1 pair of inner contour male dies 8 which are arranged symmetrically and extend out of the surface of the rear template 3 near the lower side, the front template 2 is provided with 1 pair of outer contour female dies which are arranged corresponding to the inner contour male dies 8, a forming cavity for accommodating the contour of the front fog lamp cover plate 9 is enclosed among the outer contour male dies, the inner contour female dies, the middle part of the front template 2 positioned at the middle part of the 1 pair of the forming cavity is provided with a white plastic injection molding port 13, white plastics mould plastics mouthful 13 and 1 all is provided with interior notes passageway 14 of moulding between to the shaping chamber, it all is provided with red plastics and moulds plastics mouthful 15 to lie in the shaping chamber upper end and the lower extreme of keeping away from white plastics and moulding plastics mouthful on the front mould board 2, red plastics are moulded plastics and are provided with outer injection channel 16 between mouthful 15 and the shaping chamber.

According to the embodiment, the front profile male die, the rear profile female die, the front profile female die, the white plastic injection molding port and the red plastic injection molding port are arranged between the front template and the rear template, injection molding is simultaneously carried out on the molding cavity through the white plastic injection molding port and the red plastic injection molding port, a one-time injection molding front fog lamp cover plate double-color blank is achieved, after injection molding, after the mounting hole male die is demolded, the blank is separated from the lower template through the ejector pin, the material is conveniently taken, the processing efficiency is improved, and the production cost is reduced.

In a preferred embodiment, a heat preservation cofferdam 20 extending out of the surface of the rear template 3 is arranged on the rear template 3 around the inner contour female die 7 and the inner contour male die 8, and exhaust grooves 21 are arranged at the upper end and the lower end of the heat preservation cofferdam 20 near the red plastic injection molding port 15, so that the temperature of injection molding liquid in a molding cavity is improved through the heat preservation cofferdam 20 when the die is closed and the injection molding is carried out, and the white plastic injection molding liquid and the red plastic injection molding liquid are fused together.

In a preferred embodiment, a pressure maintaining and inflating slider I28 is arranged at the exhaust groove 21, the pressure maintaining and inflating slider I28 is arranged on the front template 2, and an installation groove adapted to the pressure maintaining and inflating slider I28 is arranged on the rear template 3.

In a preferred embodiment, the surface of the heat-preservation cofferdam 20 is provided with an inner wear-resistant block 22, and the structure of the embodiment prevents the heat-preservation cofferdam 20 from directly contacting with the front formwork 2, so that the service lives of the heat-preservation cofferdam 20 and the front formwork 2 are prolonged.

In a preferred embodiment, the ejector pins 23 are disposed on the ejector pin base plate 6, the rear mold plate 3, the heat conduction flow plate 4 and the ejector pin plate 5 are provided with ejector pin accommodating grooves 27 for accommodating the ejector pins 23, in this embodiment, the ejector pins 23 are disposed to be distributed in the molding cavity, the ejector pins move backward to exit the molding cavity during mold closing, and the ejector pins move forward after mold opening to separate the injection molding blank from the rear mold plate, so as to achieve the purpose of separating the blank from the lower mold plate.

In a preferred embodiment, a rapid cooling channel 25 communicated with the outer contour male die 7 and the outer contour female die is arranged in the front die plate 2, and a thermal guide flow groove 26 communicated with the inner contour male die 8 and the inner contour female die is arranged in the thermal guide plate 4, so that the temperature of the inner contour male die 8 and the temperature of the inner contour female die are increased through the thermal guide flow groove 26, the injection molding liquid can flow in the molding cavity conveniently, after the injection molding and pressure maintaining are completed, the outer contour male die 7 and the outer contour female die on the front die plate 2 are rapidly cooled through the rapid cooling channel 25, and the blank in the molding cavity can be rapidly molded.

In a preferred embodiment, a reinforcing rib slide female die 18 and a mounting groove slide male die 24 are arranged on the rear die plate 3 at the side part of the forming cavity, and the structure of the embodiment is beneficial to forming a mounting groove and reinforcing ribs around the front fog lamp cover plate.

In a preferred embodiment, the front template 2 is provided with guide holes 17 at the periphery, and the rear template 3 is provided with guide posts arranged corresponding to the guide holes 17, so that the rear template can conveniently move towards the front template, and the mold clamping precision is improved.

In the preferred embodiment, the outer wear-resistant blocks 12 are correspondingly arranged on the peripheries of the front template 2 and the rear template 3, so that the structure is favorable for avoiding direct contact when the front template 2 and the rear template 3 are matched, the abrasion of an injection mold is avoided, and the service life of the injection mold is prolonged.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims (9)

1. The utility model provides a front fog lamp apron injection mold which characterized in that: the front die plate is provided with 1 pair of outer contour male dies which are arranged symmetrically up and down and extend out of the surface of the front die plate near the upper side, the rear die plate is provided with 1 pair of inner contour female dies which are arranged corresponding to the outer contour male dies, the rear die plate is provided with 1 pair of inner contour male dies which are arranged symmetrically and extend out of the surface of the rear die plate near the lower side, the front die plate is provided with 1 pair of outer contour female dies which are arranged corresponding to the inner contour male dies, a forming cavity for containing the contour of the front fog lamp cover plate is enclosed among the outer contour male dies, the inner contour female dies, the inner contour male dies and the outer contour female dies, the middle part of the front die plate is provided with a white plastic injection port at the middle part of the 1 pair of forming cavities, and an inner injection channel is arranged between the white plastic injection port and the 1 pair of forming cavities, the upper end and the lower end of the front template, which are positioned in the molding cavity and are far away from the white plastic injection molding port, are provided with red plastic injection molding ports, and an outer injection molding channel is arranged between the red plastic injection molding ports and the molding cavity.

2. The front fog lamp cover plate injection mold of claim 1, wherein: and a heat-insulating cofferdam extending out of the surface of the rear template is arranged on the rear template and positioned around the inner contour female die and the inner contour male die, and exhaust grooves are formed in the upper end and the lower end of the heat-insulating cofferdam and close to the red plastic injection molding port.

3. The front fog lamp cover plate injection mold of claim 2, wherein: the exhaust groove is provided with a pressure maintaining inflatable sliding block I, the pressure maintaining inflatable sliding block I is arranged on the front template, and the rear template is provided with an installation groove matched with the pressure maintaining inflatable sliding block I.

4. The front fog lamp cover plate injection mold as claimed in claim 2 or 3, wherein: and an inner wear-resistant block is arranged on the surface of the heat-preservation cofferdam.

5. The front fog lamp cover plate injection mold of claim 4, wherein: the thimble structure is characterized in that a thimble is arranged on the thimble base plate, and the rear template, the heat guide plate and the thimble plate are provided with a thimble accommodating groove for accommodating the thimble.

6. The front fog lamp cover plate injection mold of claim 2, wherein: the front template is internally provided with a rapid cooling channel communicated with the outer contour male die and the outer contour female die, and the heat guide plate is internally provided with a heat guide flow groove communicated with the inner contour male die and the inner contour female die.

7. The front fog lamp cover plate injection mold of claim 2, wherein: and a reinforcing rib slider female die and a mounting groove slider male die are arranged at the side part of the forming cavity on the rear template.

8. The front fog lamp cover plate injection mold of claim 1, wherein: the front template is provided with guide holes at the periphery, and the rear template is provided with guide posts corresponding to the guide holes.

9. The front fog lamp cover plate injection mold of claim 1, wherein: and outer wear-resistant blocks are correspondingly arranged on the periphery of the front template and the periphery of the rear template.

Images