CN220995287U - Front bumper lower plaque mould - Google Patents
Front bumper lower plaque mould Download PDFInfo
- Publication number
- CN220995287U CN220995287U CN202322711703.2U CN202322711703U CN220995287U CN 220995287 U CN220995287 U CN 220995287U CN 202322711703 U CN202322711703 U CN 202322711703U CN 220995287 U CN220995287 U CN 220995287U
- Authority
- CN
- China
- Prior art keywords
- cavity
- shell
- injection molding
- upper shell
- die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001746 injection moulding Methods 0.000 claims abstract description 61
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 230000014759 maintenance of location Effects 0.000 claims description 10
- 210000003195 fascia Anatomy 0.000 claims description 5
- 238000001816 cooling Methods 0.000 abstract description 16
- 230000006378 damage Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 9
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 208000020797 Atmospheric pressure injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a front bumper lower plaque die which comprises an upper shell and a plurality of lower shells capable of being sequentially clamped and arranged at the bottom of the upper shell, wherein a cavity can be formed between the upper shell and each lower shell when the upper shell and each lower shell are in airtight connection; the cavity is provided with an injection hole connected with injection equipment, and the injection hole is arranged on the lower shell and can continuously perform injection molding from the lower shell to the cavity from bottom to top; the cavity is also provided with a negative pressure hole connected with the negative pressure suction device, and the negative pressure hole is arranged on the upper shell and can continuously suck out air in the cavity. The utility model realizes the step injection molding from bottom to top, realizes the simultaneous injection molding and mold closing, reduces the bubbles in the injection molding, and uses negative pressure suction to generate negative pressure in the cavity, thereby reducing the air pressure damage on the surface of the workpiece, improving the injection molding efficiency, simultaneously absorbing the heat of the cavity and reducing the subsequent cooling time of the workpiece.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a front bumper lower plaque die.
Background
In order to improve injection molding efficiency in the production process of the front bumper lower decorative plate, in the prior art, the flow rate of the melted material is improved by gradually improving the melting temperature of the material, so that the injection molding efficiency is improved, for example, a temperature adjusting device (publication number: CN 215396503U) for injection molding equipment is used for conveying the material into a mold through multistage heating, and the melted material is cooled and molded in the mold through a cooling device again to obtain a workpiece finished product.
But the better the flowing effect of the material entering the die, the easier the material is to generate bubbles, and because the structure of the lower decorative plate of the front bumper is complex, a plurality of closed loops can be arranged in the cavity of the die, and air in the loops can squeeze the surface of a workpiece during injection molding, so that air injury is caused.
And along with the improvement of heating temperature, the temperature difference of the material in the mould is great, and the material that just enters into the mould after the injection molding is accomplished needs to cool off for a long time, and causes the refrigerated time to increase, and the production efficiency of work piece declines.
Therefore, there is a need for a front bumper fascia molding die that overcomes the effects of increased temperature and thus allows for efficient rapid injection molding.
Disclosure of utility model
The utility model aims to provide a front bumper lower decorative plate die, which solves the technical problems that bubbles are easy to occur and the cooling time is long in the injection molding process in the prior art.
In order to solve the technical problems, the utility model specifically provides the following technical scheme:
The utility model provides a front bumper lower plaque die which comprises an upper shell and a plurality of lower shells capable of being sequentially clamped and arranged at the bottom of the upper shell, wherein a cavity can be formed between the upper shell and each lower shell when the upper shell and each lower shell are connected in a sealing manner;
The cavity is provided with an injection hole connected with injection equipment, and the injection hole is arranged on the lower shell and can continuously perform injection molding from the lower shell to the cavity from bottom to top;
The cavity is also provided with a negative pressure hole connected with a negative pressure suction device, and the negative pressure hole is arranged on the upper shell and can continuously suck out air in the cavity.
As a preferable mode of the utility model, the negative pressure hole and the injection hole are respectively arranged at two ends of the cavity.
As a preferable scheme of the utility model, the lower shell and the upper shell are both composed of a plurality of mould shells, driving rods are connected to the mould shells, the driving rods are respectively connected with a support frame body through driving motors, and the support frame body drives the mould shells to carry out mould closing action or mould opening action through the driving rods;
The die shells positioned on the lower shell and the die shells positioned on the upper shell can simultaneously perform a first die closing action, the lower shell and the upper shell are respectively formed, a second die closing action is performed when the upper shell is used for closing the lower shell, and a time interval is reserved between the first die closing action and the second die closing action.
As a preferable mode of the utility model, the supporting frame body comprises a retention frame connected with the upper shell and a movable frame connected with the lower shell, the retention frame and the movable frame are arranged in a cross shape, the movable frame is provided with a plurality of movable frames, and the movable frames can sequentially move to the lower side of the retention frame through a conveyor belt so that the lower shell and the upper shell perform the second die closing action.
As a preferred scheme of the utility model, the injection origin for placing the injection molding equipment is arranged on the conveyor belt, the injection origin is arranged below the retainer, and the injection molding hole can penetrate through the conveyor belt to be connected with an injection molding pipeline of the injection molding equipment when the lower shell and the upper shell are assembled.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model divides the mould into an upper mould body and a lower mould body, so that the injection moulding is finished from bottom to top in the injection moulding process, and negative pressure atmosphere is manufactured in the cavity of the mould, so that the generation of bubbles is reduced in the injection moulding process of the mould, and the injection moulding speed of the mould is improved;
the utility model directly carries out negative pressure suction action on the cavity, so that hot air in the cavity is continuously discharged, and the cooling rate of the cavity is improved;
The utility model is provided with a plurality of lower die bodies, and two upper and lower die bodies can simultaneously carry out die assembly and injection molding actions, thereby improving the injection molding efficiency; when the die is opened, the die can be opened successively according to the temperature difference of the die, the waiting time during cooling is saved, the parallel production of the workpiece is realized, and the production rate of the workpiece is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
FIG. 1 is a schematic view of a front bumper fascia mold according to the present utility model;
fig. 2 is a schematic view showing a partial structure of a front bumper lower fascia mold shown in fig. 1 according to the present utility model.
Reference numerals in the drawings are respectively as follows:
1-an upper housing; 2-a lower housing; 3-a cavity; 4-injection molding holes; 5-a negative pressure hole; 6-driving rod; 7-driving a motor; 8-supporting a frame body; 9-a workpiece;
801-a retention frame; 802-a mobile rack; 803-conveyor belt.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, the present utility model provides a front bumper lower trim mold, which includes a lower case 2 disposed below and an upper case 1 capable of being engaged with the lower case 2, wherein the upper case 1 is disposed at the bottom of the lower case 2, the lower case 2 gradually moves upward toward the upper case 1 when the mold is closed, and a cavity 3 is formed between the upper case 1 and the lower case 2 in the mold-closed state, wherein the cavity 3 is configured according to the front bumper lower trim, and in the present embodiment, since the front bumper lower trim is elongated, a path through which the front bumper lower trim flows during injection molding is long, an injection molding effect is easily affected due to a large temperature difference, and in addition, a long injection molding path is required to be considered, and a cooling time is also different.
The cavity 3 is provided with an injection hole 4 connected with injection equipment, and the injection hole 4 is arranged on the lower shell 2 and can continuously perform injection molding from the lower shell 2 to the cavity 3 from bottom to top.
The cavity 3 is also provided with a negative pressure hole 5 connected with a negative pressure suction device, and the negative pressure hole 5 is arranged on the upper shell 1 and can continuously suck out the air in the cavity 3.
The cooling device on the shell and other functional devices such as the injection molding device, the negative pressure absorbing device and the like connected with the cooling device are all existing devices, the structure of the cooling device is omitted, and the structure and the action of the die are described in detail.
The specific working process of the die is as follows:
1. And (3) die assembly:
dividing the die into an upper shell 1 and a lower shell 2 according to the required shape of the lower decorative plate of the front bumper;
2. injection molding:
The lower shell 2 is moved to an injection molding device, so that an injection molding hole 4 is connected with the injection molding device, injection molding is performed after connection is completed, and the lower shell 2 is gradually filled with materials from bottom to top; the upper shell 1 and the lower shell 2 are clamped in the injection molding process, and the process occurs before the lower shell 2 is fully filled;
After the die assembly between the lower shell 2 and the upper shell 1 is completed, the negative pressure hole 5 and the negative pressure suction device are started, negative pressure is formed in the cavity 3, and the negative pressure suction device and the injection molding device are stopped simultaneously after the cavity 3 is filled;
3. and (5) die sinking:
The upper shell 1 is taken down after a certain time, the lower shell 2 is far away from the injection molding position, and a new lower shell 2 enters the injection molding position to carry out a new mold closing and injection molding process because the molds in the upper shell and the lower shell have a certain temperature difference;
At this time, the lower case 2 located downstream is cooled and then formed into a work 9, and the lower case 2 is moved upstream again after being opened.
The technician easily thinks of changing the injection molding position, but in the utility model, as the mold closing time of the upper mold and the lower mold is inconsistent with the injection molding time and a multi-stage mold closing process is arranged, compared with the common negative pressure suction, the utility model can further reduce the energy consumption, simultaneously carry out the mold closing and the injection molding of the last step and save the injection molding time;
Secondly in the utility model, because negative pressure device and the mode of moulding plastics etc. reason such as being in the back of accomplishing to mould plastics, be located the mould temperature that is located in the upper casing 1 and be located the temperature of mould in the lower casing 2, so its cooling rate is faster than the cooling rate that is located the lower casing 2 greatly, so after a certain time this moment, go out the mould to upper casing 1 earlier, shift out down casing 2 and carry out further cooling this moment, move the lower casing 2 that is located the production line upstream to the position of moulding plastics, carry out the injection moulding again, at this moment upper casing 1 carries out the compound die action, latency when having practiced thrift the cooling.
Compared with a plurality of dies, the production scheme can save the purchase cost.
In order to increase the rising rate of the mold melt, negative pressure holes 5 and injection holes 4 are provided at both ends of the cavity 3, respectively. Meanwhile, the negative pressure holes 5 can discharge hot air in the cavity 3, so that the cooling rate of the die is accelerated to a certain extent, the die melt in the upper shell 1 is easier to cool and solidify, and the waiting time is reduced.
Because of the complex structure of the front bumper lower plaque mold, the lower shell 2 and the upper shell 1 are not single male and female plates, but mold plates consisting of a plurality of mold shells can be formed, and the mold shells move in different directions during mold opening.
The lower shell 2 and the upper shell 1 are both composed of a plurality of mould shells, the mould shells are connected with driving rods 6, the driving rods 6 are respectively connected with a support frame body 8 through driving motors 7, and the support frame body 8 drives the mould shells to carry out mould closing or mould opening through the driving rods 6.
Specifically, the support frame 8 can drive the lower housing 2 and the upper housing 1 to perform multistage mold closing operation by the driving lever 6, specifically as follows:
The mould shell positioned on the lower shell 2 and the mould shell positioned on the upper shell 1 can simultaneously carry out a first mould closing action, wherein the first mould closing action refers to mould closing of the mould shell positioned on the lower shell 2 to form the lower shell 2 or mould closing of the mould shell positioned on the upper shell 1 to form the upper shell 1;
The upper case 1 performs a second mold closing operation when closing the lower case 2, and the second mold closing operation is specifically a mold closing operation of the lower case 2 and the upper case 1.
Generally, the mold is molded after the cavity is formed after the mold is completely closed, but in the present invention, a time interval is provided between the first closing operation and the second closing operation, so that not only air bubbles in the cavity can be reduced, but also the second closing operation can be performed simultaneously when the mold is molded to the lower housing 2, thereby reducing the closing time and improving the injection efficiency.
In order to facilitate the movement of the lower housing 2, the support frame 8 includes a retention frame 801 connected to the upper housing 1 and a moving frame 802 connected to the lower housing 2, where the retention frame 801 and the moving frame 802 are disposed in a cross shape, the moving frame 802 has a plurality of moving frames, and the moving frame 802 can sequentially move to a position below the retention frame 801 through a conveyor 803 so that the lower housing 2 and the upper housing 1 perform a second mold closing operation.
In order to allow downstream cooling to be performed simultaneously with the injection molding process at the upstream position, an injection origin for placing the injection molding apparatus is provided on the conveyor belt, the injection origin being provided below the retainer 801, and the injection molding hole 4 being connectable to an injection molding pipe of the injection molding apparatus through the conveyor belt 803 when the lower housing 2 and the upper housing 1 are clamped.
Through the front bumper lower plaque mould of this embodiment, can realize carrying out the substep from bottom to top and mould plastics, carry out when realizing moulding plastics and compound die, reduce the bubble that appears in moulding plastics, and use negative pressure suction to make the intracavity produce the negative pressure to reduce the atmospheric pressure injury that work piece surface appears, improve the efficiency of moulding plastics, can draw the heat of die cavity simultaneously, reduce the subsequent cooling time of work piece.
The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this application will occur to those skilled in the art, and are intended to be within the spirit and scope of the application.
Claims (4)
1. The front bumper lower decorative plate die is characterized by comprising an upper shell (1) and a plurality of lower shells (2) which can be sequentially clamped and arranged at the bottom of the upper shell (1), wherein the upper shell (1) and the lower shells (2) are sequentially closed to form a die cavity (3) of a front bumper lower decorative plate, and a continuous injection molding channel is formed in the die cavity (3);
The injection molding device comprises a cavity (3), and is characterized in that an injection molding hole (4) connected with injection molding equipment is formed in the cavity (3), the injection molding hole (4) is formed in the lower shell (2) and can continuously perform injection molding from the lower shell (2) to the cavity (3) from bottom to top, a negative pressure hole (5) connected with a negative pressure suction device is further formed in the cavity (3), and the negative pressure hole (5) is formed in the upper shell (1) and can continuously pump out air in the cavity (3);
The lower shell (2) and the upper shell (1) are composed of a plurality of mould shells, driving rods (6) are connected to the mould shells, the driving rods (6) are connected with a support frame body (8) through driving motors (7), and the support frame body (8) drives the mould shells to carry out mould closing or mould opening actions through the driving rods (6);
The die shells positioned on the lower shell (2) and the die shells positioned on the upper shell (1) can simultaneously perform a first die closing operation, the lower shell (2) and the upper shell (1) are respectively formed, a second die closing operation is performed when the upper shell (1) is used for die closing the lower shell (2), and a time interval is reserved between the first die closing operation and the second die closing operation.
2. A front bumper lower fascia mold according to claim 1, characterized in that the negative pressure hole (5) and the injection hole (4) are respectively arranged at both ends of the cavity (3).
3. The front bumper lower trim panel mold according to claim 1, wherein the supporting frame body (8) comprises a retention frame (801) connected with the upper shell (1) and a plurality of moving frames (802) connected with the lower shell (2), the retention frame (801) and the moving frames (802) are in a cross-shaped arrangement, and the moving frames (802) sequentially move to the lower side of the retention frame (801) through a conveyor belt (803) so that the lower shell (2) and the upper shell (1) perform the second mold closing action.
4. A front bumper fascia under mould according to claim 3, characterized in that the conveyor belt (803) is provided with an injection moulding origin for placing an injection moulding device, said injection moulding origin being arranged below the holder (801), the injection moulding hole (4) being connectable to an injection moulding pipe of the injection moulding device through the conveyor belt (803) when the lower housing (2) and the upper housing (1) are clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322711703.2U CN220995287U (en) | 2023-10-10 | 2023-10-10 | Front bumper lower plaque mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322711703.2U CN220995287U (en) | 2023-10-10 | 2023-10-10 | Front bumper lower plaque mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220995287U true CN220995287U (en) | 2024-05-24 |
Family
ID=91115452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322711703.2U Active CN220995287U (en) | 2023-10-10 | 2023-10-10 | Front bumper lower plaque mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220995287U (en) |
-
2023
- 2023-10-10 CN CN202322711703.2U patent/CN220995287U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211917622U (en) | Mold closing device for injection molding machine | |
| CN219028398U (en) | Injection mold with ejection structure | |
| CN220995287U (en) | Front bumper lower plaque mould | |
| CN112223683B (en) | Communication equipment shell injection mold of intelligence evacuation | |
| CN212219104U (en) | Thin wall injection molding quick forming die | |
| CN209079016U (en) | A kind of mold convenient for plastics forming | |
| CN210308765U (en) | Injection mold is used in production of ornamental strip is electroplated to highlight | |
| CN217834552U (en) | Injection mold with automatic demolding structure | |
| CN211279483U (en) | Injection molding device comprising servo driving mechanism | |
| CN113071077A (en) | Round rack rail type I-shaped workpiece injection mold device | |
| CN221339340U (en) | Plastic cover plate processing die easy to demould | |
| CN214056335U (en) | Injection molding machine mould cooling device for production and processing | |
| CN215550476U (en) | Injection mold for rapid demolding of refrigerator injection molding part | |
| CN215661534U (en) | Quick blanking structure of accuse panel mould in car | |
| CN215203222U (en) | Mobile phone part mold blank capable of being cooled quickly | |
| CN213055863U (en) | Rubber product forming die | |
| CN219522898U (en) | Injection mold convenient to drawing of patterns | |
| CN221136767U (en) | Equipment for assisting injection molding machine in demolding injection products | |
| CN221022134U (en) | Oblique ejection large-stroke injection mold | |
| CN219650465U (en) | Mobile phone card support injection molding assembly | |
| CN219522890U (en) | Injection mold for automobile front lampshade | |
| CN220008681U (en) | Plastic injection mold convenient to take off material | |
| CN220841257U (en) | Automobile rear surrounding die | |
| CN219294598U (en) | Injection mold with ejection mechanism | |
| CN220638754U (en) | Resin handicraft forming die convenient to quick shaping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |