CN209079064U - The injection mold of lightweight water proof type rear bumper lower body - Google Patents
The injection mold of lightweight water proof type rear bumper lower body Download PDFInfo
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- CN209079064U CN209079064U CN201821460144.5U CN201821460144U CN209079064U CN 209079064 U CN209079064 U CN 209079064U CN 201821460144 U CN201821460144 U CN 201821460144U CN 209079064 U CN209079064 U CN 209079064U
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- forming cavity
- plate
- rear bumper
- water proof
- injection mold
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Abstract
The utility model belongs to injection mold technology more particularly to a kind of injection mold of lightweight water proof type rear bumper lower body.The utility model, it successively include bottom plate, moving template, solid plate and injection molding plates, forming cavity includes interconnected main body forming cavity and mounting portion forming cavity, there are two mounting portion forming cavity tools and is symmetricly set on the two sides of main body forming cavity, it further include the light weight type core that several protrude from cover half plate surface in forming cavity, there are several to protrude from the grid hole building core of cover half plate surface, the cross-sectional area of grid hole building core is gradually become smaller from one end close to solid plate to the other end in main body forming cavity.The utility model, which is molded injecting products obtained, has smaller quality, has saved injected plastics material, has met the trend of automotive light weight technology, and, the utility model has the gradually smaller grid hole building core of cross-sectional area, so that the opening of the grid hole of injecting products is in V-shape, improves waterproof effect.
Description
Technical field
The utility model belongs to injection mold technology more particularly to a kind of lightweight water proof type rear bumper lower body
Injection mold.
Background technique
Plastic part in life using more and more extensive, plastic part mostly passes through injection mold injection molding, existing
There is the rear bumper quality of the injection mold injection molding for producing automobile rear bumper lower body larger, not only waste injection molding
Material, and do not meet the trend of automotive light weight technology, while existing rear bumper waterproofness is poor, in driving process, sewage or
Rainwater is easy to enter automotive interior by the grid hole of bumper.
For example, Chinese utility model patent disclose a kind of automobile rear bumper mold fan gate [application number:
201620665429.7], which includes mold cores, and the both ends of type core are arranged corner insert, under corner insert
Slanted kicking block is set, the die cavity of automobile rear bumper is set on type core, corner insert and slanted kicking block, in die cavity after injection molding automobile
Bumper bar, it is characterised in that a zanjon runner, binder mouth above zanjon runner, zanjon stream is respectively arranged in the type core both ends
Road extends forward, and fan-shaped shape cast gate is connected to the die cavity of automobile rear humper from the bottom up.
The automobile rear bumper of the utility model injection molding does not condense, no koro, product quality with higher, but its
The unresolved above problem.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of note of lightweight water proof type rear bumper lower body
Mould.
In order to achieve the above objectives, the utility model uses following technical proposal:
A kind of injection mold of lightweight water proof type rear bumper lower body, successively include bottom plate, moving template, solid plate and
Injection molding plates, forming cavity between solid plate and moving template, injection molding plates be equipped with injection hole, injection hole by injection molding channel at
Shape chamber is connected, and the forming cavity includes interconnected main body forming cavity and mounting portion forming cavity, the mounting portion forming cavity
There are two tools and is symmetricly set on the two sides of main body forming cavity, further includes that several protrude from cover half plate surface in the forming cavity
Light weight type core, there are several to protrude from the grid hole building core of cover half plate surface, the grid in the main body forming cavity
The cross-sectional area of checkerwork cell building core is gradually become smaller from one end close to solid plate to the other end.
It further include several into solid plate in the injection mold of above-mentioned lightweight water proof type rear bumper lower body
The reinforcing rib forming pockets of portion's recess, the reinforcing rib forming pockets are connected with main body forming cavity.
In the injection mold of above-mentioned lightweight water proof type rear bumper lower body, the edge of the main body forming cavity is set
Have a prominent cover half plate surface, and with the diversion trench building core that is connected inside main body forming cavity.
In the injection mold of above-mentioned lightweight water proof type rear bumper lower body, the grid hole building core arrangement
Grid hole building core for several rows, and adjacent two rows is intertwined.
In the injection mold of above-mentioned lightweight water proof type rear bumper lower body, between the solid plate and injection molding plates
Be additionally provided with heat flux plates, electrothermal pipe is located in heat flux plates, and be located at mold outside power electric connection.
In the injection mold of above-mentioned lightweight water proof type rear bumper lower body, shunting is additionally provided in the heat flux plates
The side of plate, flow distribution plate is connected with one end with the circulation supervisor that injection molding channel is connected to, and the other end and several axial lines are mutual
Parallel circulation branch pipe is connected, and circulation branch pipe is connected with forming cavity.
It is also fixed on the electrothermal pipe to connect in the injection mold of above-mentioned lightweight water proof type rear bumper lower body
It is connected to several heat transfer sheets, the outer surface of the heat transfer sheet and flow distribution plate fits.
It further include the guarantor in heat flux plates in the injection mold of above-mentioned lightweight water proof type rear bumper lower body
Temperature set, the electrothermal pipe, flow distribution plate and circulation branch pipe are respectively positioned in muff.
In the injection mold of above-mentioned lightweight water proof type rear bumper lower body, between the bottom plate and moving template also
Equipped with liftout plate, the liftout plate is pressed on bottom plate, and the both ends of guide rod are fixedly connected with bottom plate and moving template respectively, described
Liftout plate is slidably connected with guide rod, further includes that one end is fixedly connected with liftout plate, the other end extends to the top of forming cavity bottom surface
Rod.
In the injection mold of above-mentioned lightweight water proof type rear bumper lower body, it is fixedly connected on the moving template
Square guide column, the square guide column protrude from dynamic model plate surface, and the solid plate side has to the side of solid plate inner recess
Shape guide groove, when molding, square guide column is inserted in rectangular guide groove.
Compared with prior art, utility model has the advantages that
1, the utility model, which is molded injecting products obtained, has smaller quality, has saved injected plastics material, has met automobile
Light-weighted trend.
2, the utility model has the gradually smaller grid hole building core of cross-sectional area, so that the grid hole of injecting products
Opening be in V-shape, improve waterproof effect.
3, the utility model shunts melt plastic cement using flow distribution plate, ensure that the uniform of injecting products obtained
Property.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the structural schematic diagram of solid plate；
Fig. 3 is the explosive view of the utility model part-structure；
In figure: bottom plate 1, moving template 2, solid plate 3, injection molding plates 4, forming cavity 5, injection molding channel 6, heat flux plates 7, electrothermal pipe
8, flow distribution plate 9, circulation supervisor 10, circulation branch pipe 11, heat transfer sheet 12, muff 13, liftout plate 14, guide rod 15, knock-pin 16,
Square guide column 17, rectangular guide groove 18, injection hole 41, main body forming cavity 51, mounting portion forming cavity 52, light weight type core 53, grid hole
Building core 54, reinforcing rib forming pockets 55.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Referring to figs. 1 and 2, a kind of injection mold of lightweight water proof type rear bumper lower body successively includes bottom
Plate 1, moving template 2, solid plate 3 and injection molding plates 4, for forming cavity 5 between solid plate 3 and moving template 2, injection molding plates 4 are equipped with note
Mouth 41 is moulded, injection hole 41 is connected by injection molding channel 6 with forming cavity 5, and the forming cavity 5 includes interconnected main body forming
Chamber 51 and mounting portion forming cavity 52, there are two the tools of mounting portion forming cavity 52 and is symmetricly set on the two of main body forming cavity 51
Side, further includes the light weight type core 53 that several protrude from 3 surface of solid plate in the forming cavity 5, in the main body forming cavity 51
The grid hole building core 54 on 3 surface of solid plate, the cross-sectional area of the grid hole building core 54 are protruded from several
It is gradually become smaller from one end close to solid plate 3 to the other end, the grid hole building core 54 is arranged as several rows, and adjacent two
The grid hole building core 54 of row is intertwined.
The utility model is enclosed forming cavity 5 in use, moving template 2 fits with solid plate 3, molten in injection molding machine
Melt plastic cement by the injection hole 41 on injection molding plates 4, via in 6 injection molding chamber 5 of injection molding channel, interconnected main body forming cavity
51 and mounting portion forming cavity 52 be integrally formed main body and two sides mounting portion, use of the light weight type core 53 to reduce injected plastics material
Amount meets the trend of automotive light weight technology, grid hole building core to make to be molded injecting products obtained with smaller quality
54 form grid hole in body surfaces, since the cross-sectional area of grid hole building core 54 is from one end close to solid plate 3 to another
One end gradually becomes smaller, so that the opening of the grid hole of injecting products is in V-shape, improves waterproof effect.
It preferably, further include several reinforcing rib forming pockets 55 to 3 inner recess of solid plate, the reinforcing rib forming
Groove 55 is connected with main body forming cavity 51, and reinforcing rib forming pockets 55 shape several reinforcing ribs in body inner surface, to increase
The intensity of injection molding product entirety.
Preferably, the edge of the main body forming cavity 51 is equipped with prominent 3 surface of solid plate, and with inside main body forming cavity 51
The diversion trench building core 56 being connected, the molding diversion trench of diversion trench building core 56 can in time drain into the ponding in main body
Outside car body.
Referring to figs. 1 and 2, heat flux plates 7 are additionally provided between the solid plate 3 and injection molding plates 4, electrothermal pipe 8 is located at
In heat flux plates 7, and be located at mold outside power electric connection, external power supply electric heating electrothermal pipe 8, increase heat flux plates 7 inside
Temperature prevent plastic cement frozen plug runner so that the melt plastic cement of 7 pairs of inside of heat flux plates plays the role of heating and thermal insulation.
Referring to figs. 1 and 2, flow distribution plate 9, the side and one end of flow distribution plate 9 and injection molding are additionally provided in the heat flux plates 7
The circulation supervisor 10 that runner 6 is connected to is connected, and the other end is connected with the circulation branch pipe 11 that several axial lines are parallel to each other, stream
Logical branch pipe 11 is connected with forming cavity 5, is shunted in this way using flow distribution plate 9 to melt plastic cement, ensure that injection molding obtained produces
The injection molding uniformity of product.
Preferably, several heat transfer sheets 12, the heat transfer sheet 12 and flow distribution plate are also fixedly connected on the electrothermal pipe 8
9 outer surface fits, in this way can preferably will be in the heat transfer in electrothermal pipe 8 to flow distribution plate 9.
It preferably, further include the muff 13 in heat flux plates 7, the electrothermal pipe 8, flow distribution plate 9 and circulation branch pipe
11 are respectively positioned in muff 13, and muff 13 can prevent heat preferably by the heat transfer in electrothermal pipe 8 to flow distribution plate 9
Amount is scattered and disappeared.
As shown in Figure 1, being additionally provided with liftout plate 14 between the bottom plate 1 and moving template 2, the liftout plate 14 is pressed on bottom plate
On 1, the both ends of guide rod 15 are fixedly connected with bottom plate 1 and moving template 2 respectively, and the liftout plate 14 connects with the sliding of guide rod 15
It connects, further includes that one end is fixedly connected with liftout plate 14, the other end extends to the knock-pin 16 of 5 bottom surface of forming cavity.
After the completion of injection molding, injecting products are cooled and shaped in forming cavity 5, and die sinking makes moving template 2 and solid plate 3 occur to divide
From to open forming cavity 5, along guide rod 15 sliding close to moving template 2 occurs for liftout plate 14 at this time, and knock-pin 16 pushes up at this time
Injecting products out complete ejection process.
Referring to figs. 1 and 2, square guide column 17 is fixedly connected on the moving template 2, the square guide column 17 is prominent
In 2 surface of moving template, 3 side of solid plate has the rectangular guide groove 18 to 3 inner recess of solid plate, rectangular to lead when molding
Column 17 is inserted in rectangular guide groove 18, can play guiding role, and square guide column to molding direction and die sinking direction in this way
17 are both designed as rectangular with rectangular guide groove 18, can prevent to relatively rotate.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although be used more herein bottom plate 1, moving template 2, solid plate 3, injection molding plates 4, forming cavity 5, injection molding channel 6,
Heat flux plates 7, flow distribution plate 9, circulation supervisor 10, circulation branch pipe 11, heat transfer sheet 12, muff 13, liftout plate 14, are led at electrothermal pipe 8
To bar 15, knock-pin 16, square guide column 17, rectangular guide groove 18, injection hole 41, main body forming cavity 51, mounting portion forming cavity 52, light
The terms such as matter type core 53, grid hole building core 54, reinforcing rib forming pockets 55, but the possibility using other terms is not precluded
Property.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；It is construed as any
The additional limitation of one kind is all contrary to the spirit of the present invention.
Claims (10)
1. a kind of injection mold of lightweight water proof type rear bumper lower body successively includes bottom plate (1), moving template (2), cover half
Plate (3) and injection molding plates (4), forming cavity (5) are located between solid plate (3) and moving template (2), and injection molding plates (4) are equipped with injection hole
(41), injection hole (41) is connected by injection molding channel (6) with forming cavity (5), it is characterised in that: the forming cavity (5) includes
Interconnected main body forming cavity (51) and mounting portion forming cavity (52), there are two mounting portion forming cavity (52) tools and symmetrical
Two sides in main body forming cavity (51) are set, further include that several protrude from the light of solid plate (3) surface in the forming cavity (5)
Matter type core (53), the main body forming cavity (51) is interior, and there are several to protrude from the grid hole building core on solid plate (3) surface
(54), the cross-sectional area of the grid hole building core (54) is gradually become smaller from one end close to solid plate (3) to the other end.
2. the injection mold of lightweight water proof type rear bumper lower body as described in claim 1, it is characterised in that: further include
Several reinforcing rib forming pockets (55) to solid plate (3) inner recess, the reinforcing rib forming pockets (55) and main body at
Shape chamber (51) is connected.
3. the injection mold of lightweight water proof type rear bumper lower body as described in claim 1, it is characterised in that: the master
The edge of body forming cavity (51) is equipped with protrusion solid plate (3) surface, and the diversion trench being connected with main body forming cavity (51) inside
Building core (56).
4. the injection mold of lightweight water proof type rear bumper lower body as described in claim 1, it is characterised in that: the grid
Checkerwork cell building core (54) is arranged as several rows, and the grid hole building core (54) of adjacent two rows is intertwined.
5. the injection mold of lightweight water proof type rear bumper lower body as described in claim 1, it is characterised in that: described fixed
Be additionally provided between template (3) and injection molding plates (4) heat flux plates (7), electrothermal pipe (8) is located in heat flux plates (7), and be located at mold
Outer power electric connection.
6. the injection mold of lightweight water proof type rear bumper lower body as claimed in claim 5, it is characterised in that: the heat
It is additionally provided with flow distribution plate (9) in flowing plate (7), the circulation supervisor (10) that the side of flow distribution plate (9) is connected to one end with injection molding channel (6)
It is connected, the other end is connected with the circulation branch pipe (11) that several axial lines are parallel to each other, and circulate branch pipe (11) and forming cavity
(5) it is connected.
7. the injection mold of lightweight water proof type rear bumper lower body as claimed in claim 6, it is characterised in that: the electricity
Several heat transfer sheets (12) are also fixedly connected on heat pipeline (8), the heat transfer sheet (12) and the outer surface of flow distribution plate (9) are affixed
It closes.
8. the injection mold of lightweight water proof type rear bumper lower body as claimed in claim 6, it is characterised in that: further include
Muff (13) in heat flux plates (7), the electrothermal pipe (8), flow distribution plate (9) and circulation branch pipe (11) are respectively positioned on heat preservation
It covers in (13).
9. the injection mold of lightweight water proof type rear bumper lower body as described in claim 1, it is characterised in that: the bottom
It is additionally provided between plate (1) and moving template (2) liftout plate (14), the liftout plate (14) is pressed on bottom plate (1), guide rod (15)
Both ends be fixedly connected respectively with bottom plate (1) and moving template (2), the liftout plate (14) is slidably connected with guide rod (15), also
It is fixedly connected including one end with liftout plate (14), the other end extends to the knock-pin (16) of forming cavity (5) bottom surface.
10. the injection mold of lightweight water proof type rear bumper lower body as described in claim 1, it is characterised in that: described
It is fixedly connected on moving template (2) square guide column (17), the square guide column (17) protrudes from moving template (2) surface, described fixed
Template (3) side has the rectangular guide groove (18) to solid plate (3) inner recess, when molding, square guide column (17) side of being inserted in
In shape guide groove (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821460144.5U CN209079064U (en) | 2018-09-06 | 2018-09-06 | The injection mold of lightweight water proof type rear bumper lower body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821460144.5U CN209079064U (en) | 2018-09-06 | 2018-09-06 | The injection mold of lightweight water proof type rear bumper lower body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209079064U true CN209079064U (en) | 2019-07-09 |
Family
ID=67115980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821460144.5U Active CN209079064U (en) | 2018-09-06 | 2018-09-06 | The injection mold of lightweight water proof type rear bumper lower body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209079064U (en) |
-
2018
- 2018-09-06 CN CN201821460144.5U patent/CN209079064U/en active Active
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