CN214395509U - Use gas cap structure that can realize automatic balance atmospheric pressure on mould - Google Patents
Use gas cap structure that can realize automatic balance atmospheric pressure on mould Download PDFInfo
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- CN214395509U CN214395509U CN202021576626.4U CN202021576626U CN214395509U CN 214395509 U CN214395509 U CN 214395509U CN 202021576626 U CN202021576626 U CN 202021576626U CN 214395509 U CN214395509 U CN 214395509U
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Abstract
The utility model discloses a gas cap structure applied on a mould and capable of realizing automatic air pressure balance, which comprises a first gas cap, a second gas cap, a third gas cap and a fourth gas cap, wherein one end opening of the first gas cap extends into the mould, the other end of the first gas cap is connected to a main air duct through a first branch air duct, and the first branch air duct is provided with a first air pressure feedback sensor and a first air pressure regulating valve; one end of the second gas cap extends into the die, the other end of the second gas cap is connected to the main air duct through a second branch air duct, and a second air pressure feedback sensor and a second air pressure regulating valve are arranged on the second branch air duct; an opening at one end of the third gas cap extends into the die, the other end of the third gas cap is connected to the main vent pipe through a third branch vent pipe, and a third air pressure feedback sensor and a third air pressure regulating valve are arranged on the third branch vent pipe. The utility model discloses can solve the fracture problem of blowing, avoid partial gas circuit vacuum to dash greatly not to open, promote product production efficiency, realize the mould pressing production automation.
Description
Technical Field
The utility model belongs to combined material forming process field, concretely relates to use the gas cap structure that can realize automatic balance atmospheric pressure on the mould.
Background
SMC composites is the abbreviation for Sheet molding compound, which is a Sheet molding compound, consisting essentially of glass fibers, unsaturated resins, low profile additives, fillers, and various additives. The SMC composite material and the molded product thereof have excellent electrical insulation performance, mechanical performance, thermal stability, chemical corrosion resistance and unique performance, can solve the problems of easy aging, easy corrosion, poor insulation, poor cold resistance, poor flame retardance and short service life of wood, steel and plastic, and are widely applied to the electrical industry, the automobile industry, railway vehicles, communication engineering, explosion-proof electrical equipment shells and the like.
The SMC composite material compression molding process is that SMC material is melted in a specific steel mold at high temperature and high pressure, and then flows to fill a mold cavity and is solidified. The SMC product is filled in the die cavity during molding, the die cavity is in a vacuum state, the product needs to be subjected to vacuum breaking before being ejected, the ejector pin can be prevented from ejecting and cracking the product, the product is widely applied to cavity products, large-size products and thin products, the traditional air ejection mode has no air pressure balancing device, and only can be controlled through air flow, so that the product is extremely easy to blow off and damage due to single-side blowing due to unbalanced blowing.
The existing mold gas cap structure is not provided with air pressure balance, the vacuum degrees of different areas of a product are different due to the asymmetric structure of the product, the sequence of vacuum breaking is not synchronous, the unilateral blowing state is easy to generate, and workers are required to press the air pressure balance in an auxiliary mode. The method not only is easy to generate blowing cracking to cause product scrapping, but also reduces the production efficiency, and the rejection rate generated by blowing partial products at present exceeds 2%.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem that above will solve, provide an use and to realize the gas cap structure of automatic balance atmospheric pressure on the mould.
To this end, the utility model provides the following solution:
an air cap structure applied to a mold and capable of automatically balancing air pressure comprises a first air cap, a second air cap, a third air cap and a fourth air cap, wherein an opening at one end of the first air cap extends into the mold, the other end of the first air cap is connected to a main air duct through a first branch air duct, and a first air pressure feedback sensor and a first air pressure adjusting valve are arranged on the first branch air duct; one end of the second gas cap extends into the die, the other end of the second gas cap is connected to the main air duct through a second branch air duct, and a second air pressure feedback sensor and a second air pressure regulating valve are arranged on the second branch air duct; an opening at one end of the third gas cap extends into the mold, the other end of the third gas cap is connected to the main vent pipe through a third branch vent pipe, and a third air pressure feedback sensor and a third air pressure regulating valve are arranged on the third branch vent pipe; an opening at one end of the fourth gas cap extends into the die, the other end of the fourth gas cap is connected to the main vent pipe through a fourth branch vent pipe, and a fourth gas pressure feedback sensor and a fourth gas pressure regulating valve are arranged on the fourth branch vent pipe; a main path air pressure feedback sensor and a main path air pressure regulating valve are arranged on the main ventilation pipeline; the first air pressure feedback sensor, the second air pressure feedback sensor, the third air pressure feedback sensor, the fourth air pressure feedback sensor, the main path air pressure feedback sensor, the first air pressure regulating valve, the second air pressure regulating valve, the third air pressure regulating valve, the fourth air pressure regulating valve and the main path air pressure regulating valve are respectively and electrically connected with the press control system.
Preferably, according to the utility model discloses an use the gas cap structure that can realize automatic balance atmospheric pressure on the mould, first atmospheric pressure feedback sensor, second atmospheric pressure feedback sensor, third atmospheric pressure feedback sensor, fourth atmospheric pressure feedback sensor, main road atmospheric pressure feedback sensor detect the atmospheric pressure value of its place gas circuit respectively to feedback signal is to press control system.
Preferably, according to the utility model discloses an use the gas cap structure that can realize automatic balance atmospheric pressure on the mould, when first atmospheric pressure feedback sensor, second atmospheric pressure feedback sensor, third atmospheric pressure feedback sensor, the atmospheric pressure that detects in the fourth atmospheric pressure feedback sensor is less than when two-thirds of main vent pipe's atmospheric pressure, the air pressure regulating valve of the branch road that corresponds is closed, when first atmospheric pressure feedback sensor, second atmospheric pressure feedback sensor, third atmospheric pressure feedback sensor, first atmospheric pressure governing valve is all sensed to fourth atmospheric pressure feedback sensor, second atmospheric pressure governing valve, when third atmospheric pressure governing valve or fourth atmospheric pressure governing valve are closed, press control system restarts first atmospheric pressure governing valve simultaneously, second atmospheric pressure governing valve, third atmospheric pressure governing valve, fourth atmospheric pressure governing valve is opened and is blown.
Preferably, according to the utility model discloses an use the gas cap structure that can realize automatic balance atmospheric pressure on the mould, first atmospheric pressure feedback sensor installs after first pneumatic control valve, and second atmospheric pressure feedback sensor installs after second pneumatic control valve, and third atmospheric pressure feedback sensor installs after third pneumatic control valve, and fourth atmospheric pressure feedback sensor installs after fourth pneumatic control valve, and main road atmospheric pressure feedback sensor installs after main road pneumatic control valve.
Preferably, according to the utility model discloses an use the gas cap structure that can realize automatic balance atmospheric pressure on the mould, first gas cap, second gas cap, third gas cap and fourth gas cap are followed the mould bottom stretches into, distributes evenly in the mould.
The utility model discloses a balanced feedback adjustment mechanism of gas cap can discern the atmospheric pressure of different gas circuits on the mould and carry out feedback adjustment to the governing valve, ensures that compressed air can get through all gas circuits, realizes the broken vacuum at each position of product to the product can be ejecting smoothly when ejecting, improves product percent of pass and production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a gas cap structure applied to a mold and capable of automatically balancing air pressure.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the following embodiments.
As shown in fig. 1, the gas cap structure applied to a mold of the present invention capable of automatically balancing air pressure comprises a first gas cap 1, a second gas cap 2, a third gas cap 3 and a fourth gas cap 4, wherein an opening at one end of the first gas cap 1 extends into the mold 13, the other end of the first gas cap is connected to a main vent pipe 17 through a first branch vent pipe 18, and the first branch vent pipe 18 is provided with a first air pressure feedback sensor 5 and a first air pressure regulating valve 9; one end opening of the second gas cap 2 extends into the mould 13, the other end is connected to the main vent pipe 17 through a second branch vent pipe 19, and a second air pressure feedback sensor 6 and a second air pressure regulating valve 10 are arranged on the second branch vent pipe 19; one end opening of the third gas cap 3 extends into the mould 13, the other end is connected to the main vent pipe 17 through a third branch vent pipe 20, and a third air pressure feedback sensor 7 and a third air pressure regulating valve 11 are arranged on the third branch vent pipe 20; one end opening of the fourth gas cap 4 extends into the mold 13, the other end is connected to the main vent pipe 17 through a fourth branch vent pipe 21, and a fourth gas pressure feedback sensor 8 and a fourth gas pressure regulating valve 12 are arranged on the fourth branch vent pipe 21.
The main vent pipeline 17 is provided with a main path air pressure feedback sensor 15 and a main path air pressure regulating valve 14.
The first air pressure regulating valve 9, the second air pressure regulating valve 10, the third air pressure regulating valve 11, the fourth air pressure regulating valve 12 and the main path air pressure regulating valve 14 are respectively electrically connected with a press control system 16 so as to realize the opening and closing of each air pressure regulating valve.
Preferably, the first holder-on dome 1, the second holder-on dome 2, the third holder-on dome 3 and the fourth holder-on dome 4 extend from the bottom of the mould and are evenly distributed in the mould 13.
Preferably, the first air pressure feedback sensor 5 is installed behind the first air pressure regulating valve 9 (i.e. downstream of the air flow passing direction, facing the direction of the gas cap), the second air pressure feedback sensor 6 is installed behind the second air pressure regulating valve 10 (i.e. downstream of the air flow passing direction, facing the direction of the gas cap), the third air pressure feedback sensor 7 is installed behind the third air pressure regulating valve 11 (i.e. downstream of the air flow passing direction, facing the direction of the gas cap), the fourth air pressure feedback sensor 8 is installed behind the fourth air pressure regulating valve 12 (i.e. downstream of the air flow passing direction, facing the direction of the gas cap), and the main circuit air pressure feedback sensor 15 is installed behind the main circuit air pressure regulating valve 14 (i.e. downstream of the air flow passing direction, facing the direction of the gas cap) for detecting the air pressure value of the section of the air circuit and feeding back a signal to the press control system.
When the pressing is finished, the press control system starts the mold to be opened, meanwhile, the first air pressure regulating valve 9, the second air pressure regulating valve 10, the third air pressure regulating valve 11, the fourth air pressure regulating valve 12 and the main path air pressure regulating valve 14 are all opened, the air pressure enters the first air cap 1, the second air cap 2, the third air cap 3 and the fourth air cap 4 to start blowing, when the air pressure detected by any one of the first air pressure feedback sensor 5, the second air pressure feedback sensor 6, the third air pressure feedback sensor 7 and the fourth air pressure feedback sensor 8 is less than 2/3 of the air pressure of the main ventilation pipeline 17 (whether ventilation is opened or not is identified), the air pressure regulating valve of the corresponding branch is closed, and when the first air pressure feedback sensor 5, the second air pressure feedback sensor 6, the third air pressure feedback sensor 7 and the fourth air pressure feedback sensor 8 sense the first air pressure regulating valve 9, When the second air pressure regulating valve 10, the third air pressure regulating valve 11 and the fourth air pressure regulating valve 12 are closed, the press control system can simultaneously restart the four regulating valves, namely the first air pressure regulating valve 9, the second air pressure regulating valve 10, the third air pressure regulating valve 11 and the fourth air pressure regulating valve 12, to blow air and start the press ejection mechanism, so that a product is ejected. By performing feedback adjustment using the air pressure balance mechanism, automatic generation of each product is performed.
The technical scheme of the utility model mainly discerns the atmospheric pressure of gas circuit through increasing the feedback control valve, judges whether the gas circuit is got through to know the local broken vacuum state of product, can balance not ftractureing when guaranteeing that the product is ejecting.
The utility model discloses the mould of the new energy automobile battery upper cover that is particularly useful for SMC combined material preparation, its product structure is complicated, and the cavity is dark, the size is big, and the requirement to the gas cap is used strictly, and general gas cap structure often leads to the product top to split or blow and split, through the design transformation to gas cap balanced structure, through atmospheric pressure feedback regulation, can realize carrying out ejecting product behind the balanced atmospheric pressure and can avoid the product to appear the risk of top splitting in the ejecting in-process of use and improve the assembly qualification rate of product greatly.
Claims (5)
1. An air cap structure applied to a mold and capable of achieving automatic air pressure balance comprises a first air cap, a second air cap, a third air cap and a fourth air cap, and is characterized in that one end of the first air cap is provided with an opening extending into the mold, the other end of the first air cap is connected to a main air duct through a first branch air duct, and a first air pressure feedback sensor and a first air pressure regulating valve are arranged on the first branch air duct; an opening at one end of the second gas cap extends into the die, the other end of the second gas cap is connected to the main air duct through a second branch air duct, and a second air pressure feedback sensor and a second air pressure regulating valve are arranged on the second branch air duct; an opening at one end of the third gas cap extends into the mold, the other end of the third gas cap is connected to the main vent pipeline through a third branch vent pipeline, and a third air pressure feedback sensor and a third air pressure regulating valve are arranged on the third branch vent pipeline; an opening at one end of the fourth gas cap extends into the die, the other end of the fourth gas cap is connected to the main vent pipe through a fourth branch vent pipe, and a fourth air pressure feedback sensor and a fourth air pressure regulating valve are arranged on the fourth branch vent pipe; a main path air pressure feedback sensor and a main path air pressure adjusting valve are arranged on the main ventilation pipeline; the first air pressure feedback sensor, the second air pressure feedback sensor, the third air pressure feedback sensor, the fourth air pressure feedback sensor, the main circuit air pressure feedback sensor, the first air pressure regulating valve, the second air pressure regulating valve, the third air pressure regulating valve, the fourth air pressure regulating valve and the main circuit air pressure regulating valve are respectively and electrically connected with a press control system.
2. The gas cap structure according to claim 1, wherein the first, second, third, fourth and main path gas pressure feedback sensors respectively detect gas pressure values of gas paths in which the sensors are located, and feed back signals to the press control system.
3. The gas cap structure of claim 1, wherein when any one of the first, second, third, and fourth gas pressure feedback sensors detects a gas pressure less than two-thirds of the gas pressure of the main plenum, when the first air pressure feedback sensor, the second air pressure feedback sensor, the third air pressure feedback sensor and the fourth air pressure feedback sensor sense that the first air pressure regulating valve, the second air pressure regulating valve, the third air pressure regulating valve or the fourth air pressure regulating valve is closed, and the press control system restarts the first air pressure regulating valve, the second air pressure regulating valve, the third air pressure regulating valve and the fourth air pressure regulating valve to open and blow air at the same time.
4. The gas cap structure of claim 1, wherein the first gas pressure feedback sensor is installed after the first gas pressure regulating valve, the second gas pressure feedback sensor is installed after the second gas pressure regulating valve, the third gas pressure feedback sensor is installed after the third gas pressure regulating valve, the fourth gas pressure feedback sensor is installed after the fourth gas pressure regulating valve, and the main path gas pressure feedback sensor is installed after the main path gas pressure regulating valve.
5. The gas cap structure according to claim 1, wherein the first gas cap, the second gas cap, the third gas cap and the fourth gas cap protrude from the bottom of the mold to be uniformly distributed in the mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021576626.4U CN214395509U (en) | 2020-07-31 | 2020-07-31 | Use gas cap structure that can realize automatic balance atmospheric pressure on mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021576626.4U CN214395509U (en) | 2020-07-31 | 2020-07-31 | Use gas cap structure that can realize automatic balance atmospheric pressure on mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214395509U true CN214395509U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021576626.4U Active CN214395509U (en) | 2020-07-31 | 2020-07-31 | Use gas cap structure that can realize automatic balance atmospheric pressure on mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214395509U (en) |
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2020
- 2020-07-31 CN CN202021576626.4U patent/CN214395509U/en active Active
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