CN220331811U - Gas-assisted forming structure - Google Patents
Gas-assisted forming structure Download PDFInfo
- Publication number
- CN220331811U CN220331811U CN202321800382.7U CN202321800382U CN220331811U CN 220331811 U CN220331811 U CN 220331811U CN 202321800382 U CN202321800382 U CN 202321800382U CN 220331811 U CN220331811 U CN 220331811U
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- CN
- China
- Prior art keywords
- glue
- runner
- gas
- product
- wall
- 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.)
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- 239000003292 glue Substances 0.000 claims abstract description 63
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 14
- 239000004033 plastic Substances 0.000 claims description 19
- 229920003023 plastic Polymers 0.000 claims description 19
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 15
- 239000000498 cooling water Substances 0.000 claims description 13
- 238000000465 moulding Methods 0.000 claims description 11
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005034 decoration Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a gas-assisted forming structure, which comprises a glue inlet assembly, wherein the glue inlet assembly comprises a glue inlet runner, the bottom of the glue inlet runner is fixedly connected with a rubber pipe, the inner wall of the glue inlet runner is provided with a check valve I, the right side of the rubber pipe is fixedly connected with a product forming die, the outer wall of one end of the product forming die, which is far away from the glue inlet runner, is fixedly provided with a nitrogen inlet pipe, one end of the rubber pipe, which is far away from the product forming die, is fixedly connected with a glue overflow runner, the glue overflow runner is fixedly connected with a flash bag, the gas-assisted technical field is related to.
Description
Technical Field
The utility model relates to a gas-assisted forming structure, in particular to a gas-assisted forming structure.
Background
At present, the whole weight of a vehicle body is reduced as much as possible, the weight of the plastic parts of the interior and exterior of the vehicle is also required to be reduced, the process is updated iteratively, and the air assist is to blow out the glue amount in the product from the product by utilizing high-pressure nitrogen blowing, so that a hollow structure is formed.
At present, a side decorative plate on a car trunk door decorative plate and a product formed by gas assist exist on an upper decorative plate, the side decorative plate is matched with a forming machine signal by utilizing nitrogen equipment, nitrogen is injected into the product through an air inlet valve needle under the action of pressure and time, the product is formed by cooling circulating water of the forming equipment, the mold design of the car trunk door side decorative plate mainly adopts multi-point sectional glue feeding and glue feeding openings and is also a nitrogen air inlet, the product is cooled in order to prevent the last air blowing air outlet hole glue position during injection molding, the internal glue quantity of the product cannot be discharged, so that the quantity of glue feeding openings is high, the glue feeding time of each glue feeding opening and the time of glue feeding sequence are accurately controlled, the air inlet is readjusted, the product reject ratio is high due to the multi-point matching, the requirement on equipment precision is high, and the production cost is excessively high.
Disclosure of Invention
The utility model aims to provide a gas-assisted forming structure for solving the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a shaping structure is assisted to gas, includes into gluey subassembly, advance gluey subassembly and include into gluey runner, advance gluey runner bottom fixed connection rubber tube, it is provided with check valve one to advance gluey runner inner wall, rubber tube right side fixed connection product forming die, product forming die is used for processing automotive interior trim working of plastics, product forming die keeps away from into gluey runner one end outer wall fixed mounting nitrogen gas intake pipe, product forming die one end fixed connection overflow gluey runner is kept away from to the rubber tube, overflow gluey runner fixed connection overflow package, overflow gluey runner inner wall sliding connection has check valve two.
In a preferred embodiment of the utility model, the second check valve is used for controlling the on-off of the glue overflow flow passage, and the bottom end of the second check valve is fixedly connected with a connecting rod.
In a preferred embodiment of the utility model, the bottom end of the connecting rod is fixedly connected with an oil cylinder, and the oil cylinder is used for controlling the lifting of the second check valve on the inner wall of the glue overflow channel and controlling the on-off of the glue overflow channel
In a preferred embodiment of the utility model, the product forming die is provided with a double-layer cavity structure, wherein the upper layer of the cavity structure is used for pouring glue into a finished product for forming, and the lower layer of the cavity structure is used for cooling and forming the product by introducing cooling water.
In a preferred embodiment of the utility model, the outer wall of one end of the product forming die, which is close to the nitrogen inlet pipe, is fixedly provided with two cooling water inlet pipes.
In a preferred embodiment of the utility model, the cooling water inlet pipe is communicated with the lower layer of the cavity structure, the nitrogen inlet pipe is communicated with the upper layer of the cavity structure, the outer wall of the sliding block is provided with a nitrogen outlet, and the nitrogen outlet is used for discharging redundant nitrogen.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
1. Through setting up the glue inlet flow channel, arrange the check valve one in the glue inlet flow channel, glue the product shaping mould through the glue inlet flow channel, make the interior and exterior plastic parts of car through the product shaping mould, blow out the surplus colloid through letting in nitrogen, reduce the weight to the interior and exterior plastic parts of car, enter into the flash bag through the glue overflow flow channel with glue, thus the filling amount of glue and reduce the weight to the interior and exterior plastic parts of car of convenient flexible control, have improved practicality and convenience that the apparatus uses;
2. through set up the check valve in glue overflow runner and advance gluey runner to the convenience makes when adding gluey to product forming die, can avoid gluing to enter into the flash package, when subtracting heavy to automobile interior and exterior trim working of plastics through nitrogen gas blowing, can avoid gluing to carry out countercurrent through advancing gluey runner, thereby the flow direction of convenient control colloid has improved the stability that equipment used.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of the overall structure of a gas-assist molding structure;
FIG. 2 is a schematic diagram of a second mounting structure of a check valve in a gas-assist molding structure;
FIG. 3 is a schematic diagram of a top view of a product forming mold in a gas-assisted forming structure;
FIG. 4 is an enlarged schematic view of the structure A in FIG. 3 in a gas-assist molding structure;
FIG. 5 is a schematic diagram of a side view of a slider in a gas-assist molding configuration.
In the figure: the device comprises a glue feeding assembly, a glue feeding flow passage 100, a glue tube 110, a glue overflow flow passage 120, a flash bag 130, a second check valve 140, a connecting rod 150, an oil cylinder 160, a product forming die 200, a sliding block 210, a nitrogen gas outlet 220, a nitrogen gas inlet pipe 230 and a cooling water inlet pipe 240.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Example 1: referring to fig. 1 and 2, the glue feeding assembly comprises a glue feeding runner 100, a glue tube 110 is fixedly connected to the bottom of the glue feeding runner 100, a check valve one (not labeled in the drawing) is arranged on the inner wall of the glue feeding runner 100, a product forming die 200 is fixedly connected to the right side of the glue tube 110, the product forming die 200 is used for processing an interior and exterior plastic part of an automobile, a nitrogen inlet pipe 230 is fixedly installed on the outer wall of one end of the product forming die 200, which is far away from the glue feeding runner 100, a glue overflow runner 120 is fixedly connected to a flash bag 130, and a check valve two 140 is slidably connected to the inner wall of the flash runner 120.
The specific practical scene of this embodiment is: the rubber inlet runner 100 can be controlled to conduct in a guiding manner through the check valve I, the rubber inlet runner 100 can only be used for adding rubber into the rubber pipe 110 in a one-way manner, the rubber cannot flow reversely through the rubber inlet runner 100, the product forming die 200 is used for casting and processing the functions of the inner and outer decorative plastic pieces of the automobile, the nitrogen inlet pipe 230 is used for introducing nitrogen, the extra rubber of the inner and outer decorative plastic pieces of the automobile is conveniently blown out of the product forming die 200 and the rubber pipe 110 through the nitrogen inlet pipe 230, the weight of the inner and outer decorative plastic pieces of the automobile is reduced through the high-pressure nitrogen, the overflow bag 130 is used for storing the extra rubber after the extra rubber is blown out, and the check valve II 140 is used for controlling the on-off of the inner wall of the overflow rubber runner 120.
Example 2: as shown in fig. 1 and fig. 2, the second check valve 140 is used for controlling the on/off of the glue overflow channel 120, the bottom end of the second check valve 140 is fixedly connected with a connecting rod 150, the bottom end of the connecting rod 150 is fixedly connected with an oil cylinder 160, and the oil cylinder 160 is used for controlling the second check valve 140 to lift and lower on the inner wall of the glue overflow channel 120 and controlling the on/off of the glue overflow channel 120.
The specific practical scene of this embodiment is: through setting up the connecting rod 150 and having driven effect, go up and down through setting up hydro-cylinder 160 flexible control connecting rod 150 to make hydro-cylinder 160 promote connecting rod 150 reciprocate, thereby control check valve two 140 when upwards moving, can cut the overflow runner 120 inner wall, thereby the convenience is when injecting glue through advance gluey runner 100, can make the glue enter into product forming die 200, avoid flowing out through overflow runner 120, thereby the convenience is under the two kinds of operating modes of injecting glue and blowing, can control the break-make of overflow runner 120, the flow direction of convenient control colloid.
Example 3: as shown in fig. 1, fig. 3, fig. 4 and fig. 5, the product forming mold 200 is provided with a double-layer cavity structure, the upper-layer cavity structure is used for feeding glue and casting a finished product for forming, the lower-layer cavity structure is used for feeding cooling water to cool and form the product, the outer wall of one end of the product forming mold 200, which is close to the nitrogen gas inlet pipe 230, is fixedly provided with the cooling water inlet pipe 240, the cooling water inlet pipe 240 is provided with two, the cooling water inlet pipe 240 is communicated with the lower-layer cavity structure, the nitrogen gas inlet pipe 230 is communicated with the upper-layer cavity structure, the outer wall of the sliding block 210 is provided with the nitrogen gas outlet 220, and the nitrogen gas outlet 220 is used for discharging redundant nitrogen gas.
The specific practical scene of this embodiment is: the product forming die 200 is arranged to be of a double-layer cavity structure, so that the automobile interior and exterior plastic part is conveniently processed through glue injection of an upper-layer cavity structure, cooling water is introduced into the lower-layer cavity structure to cool and harden the automobile interior and exterior plastic part, the sliding block 210 is arranged to be in sliding connection with the inner wall of the product forming die 200, the film removing effect of the automobile interior and exterior plastic part is conveniently carried out on the inner wall of the product forming die 200, and the nitrogen gas outlet 220 is arranged to remove nitrogen.
The working principle of the utility model is as follows: when the automobile interior and exterior decoration plastic part is used, a person skilled in the art fills the glue through the glue overflow channel 120, the glue passes through the glue pipe 110 and enters the product forming mold 200 to be cast and manufactured into an automobile interior and exterior decoration plastic part, then nitrogen is introduced into the automobile interior and exterior decoration plastic part through the nitrogen inlet pipe 230 to blow out the redundant glue, the weight of the automobile interior and exterior decoration plastic part is reduced, the driving oil cylinder 160 is used for shrinking the rod, the oil cylinder 160 pulls the connecting rod 150 and the check valve II 140 to move downwards, the glue overflow channel 120 is opened, the glue can enter the glue overflow bag 130 through the glue overflow channel 120, and the weight reduction operation of the automobile interior and exterior decoration plastic part is completed.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. The utility model provides a gas assist shaping structure, includes into gluey subassembly, advance gluey subassembly and include into gluey runner (100), advance gluey runner (100) bottom fixed connection rubber tube (110), advance gluey runner (100) inner wall and be provided with check valve one, rubber tube (110) right side fixed connection product forming die (200), product forming die (200) are used for processing automobile interior and exterior trim working of plastics, a serial communication port, product forming die (200) are kept away from into gluey runner (100) one end outer wall fixed mounting nitrogen gas intake pipe (230), rubber tube (110) are kept away from product forming die (200) one end fixed connection overflow runner (120), overflow runner (120) fixed connection overflow package (130), overflow gluey runner (120) inner wall sliding connection has check valve two (140).
2. The gas-assisted molding structure according to claim 1, wherein the second check valve (140) is used for controlling on-off of the glue overflow channel (120), and a connecting rod (150) is fixedly connected to the bottom end of the second check valve (140).
3. The gas-assisted forming structure according to claim 2, wherein an oil cylinder (160) is fixedly connected to the bottom end of the connecting rod (150), and the oil cylinder (160) is used for controlling the lifting of the second check valve (140) on the inner wall of the glue overflow channel (120) and controlling the on-off of the glue overflow channel (120).
4. A gas-assisted molding structure according to claim 1, wherein the product molding die (200) is provided with a double-layer cavity structure, the upper layer of the cavity structure is used for molding a finished product by glue feeding and casting, and the lower layer of the cavity structure is used for cooling and molding the product by cooling water.
5. The gas-assist molding structure as set forth in claim 4, wherein the product molding die (200) is fixedly provided with cooling water inlet pipes (240) near an outer wall of one end of the nitrogen inlet pipe (230), and the cooling water inlet pipes (240) are provided with two.
6. The gas-assisted forming structure according to claim 5, wherein the cooling water inlet pipe (240) is communicated with the lower cavity structure, the nitrogen gas inlet pipe (230) is communicated with the upper cavity structure, one end of the product forming mold (200) far away from the glue inlet flow passage (100) is slidably connected with the sliding block (210), a nitrogen gas outlet (220) is formed in the outer wall of the sliding block (210), and the nitrogen gas outlet (220) is used for discharging redundant nitrogen gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321800382.7U CN220331811U (en) | 2023-07-11 | 2023-07-11 | Gas-assisted forming structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321800382.7U CN220331811U (en) | 2023-07-11 | 2023-07-11 | Gas-assisted forming structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220331811U true CN220331811U (en) | 2024-01-12 |
Family
ID=89444513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321800382.7U Active CN220331811U (en) | 2023-07-11 | 2023-07-11 | Gas-assisted forming structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220331811U (en) |
-
2023
- 2023-07-11 CN CN202321800382.7U patent/CN220331811U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |