CN107096908A - A kind of moltening mold castings pour into a mould kettle - Google Patents
A kind of moltening mold castings pour into a mould kettle Download PDFInfo
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- CN107096908A CN107096908A CN201710549350.7A CN201710549350A CN107096908A CN 107096908 A CN107096908 A CN 107096908A CN 201710549350 A CN201710549350 A CN 201710549350A CN 107096908 A CN107096908 A CN 107096908A
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- kettle
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- swing arm
- cavity
- kettle cover
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- 238000005266 casting Methods 0.000 title claims description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 21
- 238000004321 preservation Methods 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 5
- 230000000740 bleeding effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 9
- 238000005495 investment casting Methods 0.000 abstract description 8
- 238000007711 solidification Methods 0.000 abstract description 8
- 230000008023 solidification Effects 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 26
- 239000002184 metal Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
本发明公开了一种熔模铸造用浇注釜,包括釜体及釜盖,釜盖上设置有一个摆臂,釜体一侧转动设置有第一驱动缸，摆臂的一端与釜盖连接、另一端与第一驱动缸的驱动杆转动连接，摆臂的中部与釜体转动连接，通过第一驱动缸驱动摆臂摆动进而带动釜盖翻转实现釜盖的开合；釜体内设有空腔，釜体的空腔内壁设有一层保温层，空腔内设置有支撑板，釜体外侧分别设置有液氮管道和压缩空气管道，液氮管道和压缩空气管道上设有各自的阀门，釜盖上还设置有温度表、温度变送器、压力表和压力变送器。本发明下优点：能同时实现釜盖的快速开合、釜体空腔内的快速保压、液氮输入空腔内进行局部降温、整体保温等多种功能，实现凝固过程可控。
The invention discloses a pouring kettle for investment casting, which comprises a kettle body and a kettle cover. A swing arm is arranged on the kettle cover, and a first driving cylinder is arranged on one side of the kettle body for rotation. One end of the swing arm is connected with the kettle cover. The other end is rotatably connected with the driving rod of the first drive cylinder, and the middle part of the swing arm is rotatably connected with the kettle body. The first drive cylinder drives the swing arm to swing and then drives the kettle cover to turn over to realize the opening and closing of the kettle cover; there is a cavity in the kettle body , The inner wall of the cavity of the kettle body is provided with a layer of insulation layer, the cavity is provided with a support plate, the outside of the kettle body is respectively provided with a liquid nitrogen pipeline and a compressed air pipeline, and the liquid nitrogen pipeline and the compressed air pipeline are provided with their own valves. The cover is also provided with a temperature gauge, a temperature transmitter, a pressure gauge and a pressure transmitter. The advantages of the present invention are that multiple functions such as rapid opening and closing of the kettle lid, rapid pressure maintaining in the cavity of the kettle body, partial cooling of liquid nitrogen input into the cavity, and overall heat preservation can be realized at the same time, and the solidification process can be controlled.
Description
技术领域technical field
本发明涉及一种熔模铸造用设备，尤其涉及的是一种熔模铸造用浇注釜。The invention relates to equipment for investment casting, in particular to a pouring kettle for investment casting.
背景技术Background technique
现有的熔模铸造过程中，金属液浇入模壳后，自然冷却成型，由于铸件结构的复杂多变，铸件在凝固过程中会产生热结缩松、气孔缺陷、内应力难以消除等缺陷；不能生产大型薄壁铸件。In the existing investment casting process, after the molten metal is poured into the mold shell, it is naturally cooled and formed. Due to the complex and changeable structure of the casting, the casting will have defects such as thermal shrinkage, porosity, and internal stress that are difficult to eliminate during the solidification process. ; Can not produce large thin-walled castings.
发明内容Contents of the invention
本发明的目的在于克服现有技术的不足，提供了一种熔模铸造用浇注釜，以期实现浇注后凝固过程可控。The object of the present invention is to overcome the deficiencies of the prior art and provide a pouring kettle for investment casting in order to realize the controllable solidification process after pouring.
本发明是通过以下技术方案实现的：The present invention is achieved through the following technical solutions:
一种熔模铸造用浇注釜,包括釜体及釜盖,所述釜盖上设置有一个摆臂,所述釜体一侧转动设置有第一驱动缸，所述摆臂的一端与所述釜盖连接、另一端与所述第一驱动缸的驱动杆转动连接，所述摆臂的中部与所述釜体转动连接，通过第一驱动缸驱动所述摆臂摆动进而带动釜盖翻转实现釜盖的开合；所述釜体内设有空腔，所述釜体的空腔内壁设有一层保温层，所述空腔内设置有支撑板，所述釜体外侧分别设置有与空腔连通的液氮管道和压缩空气管道，所述液氮管道外端连接至液氮源，所述压缩空气管道外端连接至压缩空气气源，所述液氮管道和压缩空气管道在靠近所述釜体的部位设置有各自的阀门，所述釜盖上还设置有温度表、温度变送器、压力表和压力变送器。A pouring kettle for investment casting, comprising a kettle body and a kettle cover, a swing arm is arranged on the kettle cover, a first drive cylinder is provided for rotation on one side of the kettle body, and one end of the swing arm is connected to the The kettle cover is connected, and the other end is rotatably connected with the driving rod of the first drive cylinder, and the middle part of the swing arm is rotatably connected with the kettle body, and the first drive cylinder drives the swing arm to swing and then drives the kettle cover to turn over. The opening and closing of the lid of the kettle; the body of the kettle is provided with a cavity, the inner wall of the cavity of the kettle body is provided with a layer of insulation layer, the cavity is provided with a support plate, and the outside of the kettle body is respectively provided with a Connected liquid nitrogen pipeline and compressed air pipeline, the outer end of the liquid nitrogen pipeline is connected to the liquid nitrogen source, the outer end of the compressed air pipeline is connected to the compressed air source, and the liquid nitrogen pipeline and the compressed air pipeline are close to the The positions of the kettle body are provided with respective valves, and the kettle cover is also provided with a thermometer, a temperature transmitter, a pressure gauge and a pressure transmitter.
作为上述浇注釜的优选方案，所述釜体上端开口处设置有一个充气密封圈，所述充气密封圈一侧连接有封门充气管和封门排气管，所述封门充气管外端连接压缩空气气源，所述封门充气管上设置有封门气阀，所述封门排气管上设置有封门排气阀。As a preferred solution of the above pouring kettle, an inflatable sealing ring is provided at the opening of the upper end of the kettle body, and one side of the inflatable sealing ring is connected with a door-sealing inflatable pipe and a door-sealing exhaust pipe, and the outer end of the door-sealing inflatable pipe is connected with compressed air Air source, the door sealing air valve is provided on the door sealing inflatable pipe, and the door sealing exhaust valve is provided on the door sealing exhaust pipe.
作为上述浇注釜的优选方案，所述釜体一侧设有第二驱动缸，所述第二驱动缸的驱动杆竖直向上延伸，所述釜盖上设有定位孔，通过所述第二驱动缸的驱动杆向上穿入所述定位孔，实现所述釜盖与釜体的锁紧。As a preferred solution for the above pouring kettle, a second drive cylinder is provided on one side of the kettle body, the drive rod of the second drive cylinder extends vertically upwards, and a positioning hole is provided on the lid of the kettle, through which the second The driving rod of the driving cylinder penetrates upward into the positioning hole to realize the locking of the kettle cover and the kettle body.
作为上述浇注釜的优选方案，所述摆臂与釜盖之间通过销轴转动连接，所述摆臂上设置有第三驱动缸，所述第三驱动缸的驱动杆与釜盖转动连接，通过所述第三驱动缸驱动所述釜盖旋转。As a preferred solution of the above pouring kettle, the swing arm and the lid of the kettle are rotatably connected by a pin, the swing arm is provided with a third drive cylinder, and the drive rod of the third drive cylinder is rotatably connected with the lid of the kettle. The kettle cover is driven to rotate by the third drive cylinder.
作为上述浇注釜的优选方案，所述釜盖上还设置有安全排气管，所述安全排气管上设置有安全排气阀和手动球阀。As a preferred solution of the above pouring kettle, a safety exhaust pipe is also provided on the lid of the kettle, and a safety exhaust valve and a manual ball valve are arranged on the safety exhaust pipe.
作为上述浇注釜的优选方案，所述釜体一侧设置有排气管，所述排气管上设置有排气阀。As a preferred solution of the above pouring kettle, an exhaust pipe is arranged on one side of the kettle body, and an exhaust valve is arranged on the exhaust pipe.
作为上述浇注釜的优选方案，所述液氮管道在靠近所述釜体的部位设置有低温截止阀和低温气动球阀。As a preferred solution of the above pouring kettle, the liquid nitrogen pipeline is provided with a low-temperature stop valve and a low-temperature pneumatic ball valve near the kettle body.
作为上述浇注釜的优选方案，所述压缩空气管道在靠近所述釜体的部位设置有截止阀和气动球阀。As a preferred solution of the above pouring kettle, the compressed air pipeline is provided with a shut-off valve and a pneumatic ball valve near the kettle body.
作为上述浇注釜的优选方案，所述摆臂在连接所述第一驱动缸的驱动杆的一端设置有配重块。As a preferred solution of the above pouring kettle, the swing arm is provided with a counterweight at one end connected to the driving rod of the first driving cylinder.
作为上述浇注釜的优选方案，所述釜盖上还设置有微压差开关，所述釜体的空腔底部设置有接料斗。As a preferred solution of the above pouring kettle, a micro-pressure switch is provided on the lid of the kettle, and a receiving hopper is arranged at the bottom of the cavity of the kettle body.
本发明相比现有技术具有以下优点：Compared with the prior art, the present invention has the following advantages:
本发明提供的一种熔模铸造用浇注釜,其能同时实现釜盖的快速开合、釜体空腔内的快速保压、液氮输入空腔内进行局部降温、整体保温等多种功能，通过向空腔内充入压缩空气并保压，能保证铸件凝固过程中组织结构的密实；通过液氮输入可实现铸件的局部降温，达到顺序凝固，从而能制造出合格的大型薄壁铸件；其设置的保温层能实现对铸件凝固过程整体温度场的控制，有利于铸件凝固过程的补缩；设置的压力表和温度表，可实时检测釜内温度和压力；从而实现铸件在浇注后整个凝固过程的可控性，且操作方便快捷，可实现自动化。The invention provides a pouring kettle for investment casting, which can simultaneously realize multiple functions such as rapid opening and closing of the kettle lid, rapid pressure maintenance in the cavity of the kettle body, partial cooling of liquid nitrogen into the cavity, and overall heat preservation. , by filling the cavity with compressed air and keeping the pressure, it can ensure the compactness of the structure of the casting during solidification; through the input of liquid nitrogen, the local cooling of the casting can be realized to achieve sequential solidification, so that qualified large thin-walled castings can be produced ;The insulation layer set can realize the control of the overall temperature field in the casting solidification process, which is beneficial to the feeding of the casting solidification process; the set pressure gauge and temperature gauge can detect the temperature and pressure in the kettle in real time; so as to realize the casting after pouring The whole coagulation process is controllable, and the operation is convenient and fast, which can realize automation.
附图说明Description of drawings
图1为本发明的釜盖合上后的结构示意图。Fig. 1 is the structure schematic diagram after the kettle lid of the present invention is closed.
图2为图1的俯视图。FIG. 2 is a top view of FIG. 1 .
图3为本发明的釜盖开启后的的结构示意图。Fig. 3 is a schematic structural view of the kettle lid of the present invention after it is opened.
图4为本发明采用卷筒钢丝绳来开合釜盖的结构示意图。Fig. 4 is a structural schematic view of the present invention adopting a reel wire rope to open and close the lid of the kettle.
图中标号：1釜体、2釜盖、3接料斗、4支撑板、5第一驱动缸、6配重块、7第二驱动缸、8第三驱动缸、9液氮管道、10低温截止阀、11低温气动球阀、12压缩空气管道、13截止阀、14气动球阀、15排气阀、16温度变送器、17温度表、18安全排气阀、19手动球阀、20微压差开关、21压力表、22压力变送器、23保温层、24封门气阀、25封门排气阀、26充气密封圈、27摆臂、28卷筒钢丝绳。Labels in the figure: 1 kettle body, 2 kettle cover, 3 receiving hopper, 4 support plate, 5 first driving cylinder, 6 counterweight, 7 second driving cylinder, 8 third driving cylinder, 9 liquid nitrogen pipeline, 10 low temperature Globe valve, 11 low temperature pneumatic ball valve, 12 compressed air pipeline, 13 globe valve, 14 pneumatic ball valve, 15 exhaust valve, 16 temperature transmitter, 17 thermometer, 18 safety exhaust valve, 19 manual ball valve, 20 micro pressure difference Switch, 21 pressure gauge, 22 pressure transmitter, 23 insulation layer, 24 door sealing valve, 25 door sealing exhaust valve, 26 inflatable sealing ring, 27 swing arm, 28 reel wire rope.
具体实施方式detailed description
下面对本发明的实施例作详细说明，本实施例在以本发明技术方案为前提下进行实施，给出了详细的实施方式和具体的操作过程，但本发明的保护范围不限于下述的实施例。The following is a detailed description of the embodiments of the present invention. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the present invention.
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.
参见图1至图3，本实施例公开了一种熔模铸造用浇注釜,包括釜体1及釜盖2,釜盖2上设置有一个摆臂27,釜体1一侧转动设置有第一驱动缸5，摆臂27的一端与釜盖2连接、另一端与第一驱动缸5的驱动杆转动连接，摆臂27的中部与釜体1转动连接，通过第一驱动缸5驱动摆臂27摆动进而带动釜盖2翻转实现釜盖2的开合；釜体1内设有空腔，釜体1的空腔底部设置有接料斗3，用于接碎落的模壳或撒落的金属液。釜体1的空腔内壁设有一层保温层23，空腔内设置有支撑板4，该支撑板4用于模壳及其工装的固定安放。釜体1外侧分别设置有与空腔连通的液氮管道9和压缩空气管道12，液氮管道9外端连接至液氮源，压缩空气管道12外端连接至压缩空气气源，液氮管道9在靠近釜体1的部位设置有低温截止阀10和低温气动球阀11。压缩空气管道12在靠近釜体1的部位设置有截止阀13和气动球阀14。Referring to Figures 1 to 3, this embodiment discloses a pouring kettle for investment casting, including a kettle body 1 and a kettle cover 2, a swing arm 27 is arranged on the kettle cover 2, and a second swing arm 27 is arranged on one side of the kettle body 1 to rotate A driving cylinder 5, one end of the swing arm 27 is connected with the kettle cover 2, and the other end is rotationally connected with the driving rod of the first driving cylinder 5, and the middle part of the swing arm 27 is rotationally connected with the still body 1, and the swing is driven by the first driving cylinder 5 The arm 27 swings and then drives the kettle cover 2 to turn over to realize the opening and closing of the kettle cover 2; the kettle body 1 is provided with a cavity, and the bottom of the cavity of the kettle body 1 is provided with a receiving hopper 3, which is used to pick up the broken mold shell or scatter of molten metal. The inner wall of the cavity of the kettle body 1 is provided with a layer of thermal insulation layer 23, and a support plate 4 is provided in the cavity, and the support plate 4 is used for fixing and placing the mold shell and its tooling. The outside of the kettle body 1 is respectively provided with a liquid nitrogen pipeline 9 and a compressed air pipeline 12 communicating with the cavity, the outer end of the liquid nitrogen pipeline 9 is connected to the liquid nitrogen source, the outer end of the compressed air pipeline 12 is connected to the compressed air source, and the liquid nitrogen pipeline 9. A low-temperature cut-off valve 10 and a low-temperature pneumatic ball valve 11 are provided near the kettle body 1. The compressed air pipeline 12 is provided with a shut-off valve 13 and a pneumatic ball valve 14 near the kettle body 1 .
釜盖2上还设置有温度表17、温度变送器16、压力表21和压力变送器22、微压差开关20，釜盖2上还设置有安全排气管，安全排气管上设置有安全排气阀18和手动球阀19。在釜体1一侧设置有排气管，排气管上设置有排气阀15。The kettle cover 2 is also provided with a thermometer 17, a temperature transmitter 16, a pressure gauge 21, a pressure transmitter 22, and a micro-pressure differential switch 20. The kettle cover 2 is also provided with a safety exhaust pipe. A safety exhaust valve 18 and a manual ball valve 19 are provided. One side of the still body 1 is provided with an exhaust pipe, and an exhaust valve 15 is arranged on the exhaust pipe.
在釜体1上端开口处设置有一个充气密封圈26，充气密封圈26一侧连接有封门充气管和封门排气管，封门充气管外端连接压缩空气气源，封门充气管上设置有封门气阀24，封门排气管上设置有封门排气阀25。An inflatable sealing ring 26 is arranged at the opening of the upper end of the kettle body 1, and one side of the inflatable sealing ring 26 is connected with a door sealing inflatable pipe and a door sealing exhaust pipe, and the outer end of the door sealing inflatable pipe is connected with a compressed air source, and the door sealing inflatable pipe is provided with a door sealing Air valve 24, is provided with sealing door exhaust valve 25 on the door sealing exhaust pipe.
摆臂27与釜盖2之间通过销轴转动连接，摆臂27上设置有第三驱动缸8，第三驱动缸8的驱动杆与釜盖2转动连接，通过第三驱动缸8驱动釜盖2旋转。釜体1一侧设有第二驱动缸7，第二驱动缸7的驱动杆竖直向上延伸，釜盖2上设有定位孔，通过第二驱动缸7的驱动杆向上穿入定位孔，实现釜盖2与釜体1的锁紧。The swing arm 27 is rotatably connected with the kettle cover 2, the swing arm 27 is provided with a third drive cylinder 8, the drive rod of the third drive cylinder 8 is rotatably connected with the kettle cover 2, and the kettle is driven by the third drive cylinder 8 Cover 2 rotates. One side of the still body 1 is provided with a second driving cylinder 7, and the driving rod of the second driving cylinder 7 extends vertically upwards, and the kettle cover 2 is provided with a positioning hole, through which the driving rod of the second driving cylinder 7 penetrates upwards into the positioning hole, Realize the locking of kettle cover 2 and kettle body 1.
同时参见图4，摆臂27在连接第一驱动缸5的驱动杆的一端设置有配重块6，该配重块6配合卷筒钢丝绳28一起，可代替第一驱动缸5带动摆臂27摆动，进而实现釜盖2的开合。Referring to Fig. 4 at the same time, the swing arm 27 is provided with a counterweight 6 at one end of the drive rod connected to the first drive cylinder 5, and the counterweight 6 cooperates with the reel wire rope 28 to drive the swing arm 27 instead of the first drive cylinder 5. Swing, and then realize the opening and closing of kettle cover 2.
本实施例提供的浇注釜的工作过程如下：The working process of the pouring kettle provided by the present embodiment is as follows:
首先通过第一驱动缸5驱动摆臂27摆动，进而带动釜盖2向上翻转呈开启状态。人工吊运浇注金属液后的模壳进入釜体1的空腔内，安置在支撑板4上，然后第一驱动缸5的驱动杆伸出，驱动釜盖2向下翻转与釜体1贴合，然后第三驱动缸8的驱动杆伸出推动釜盖2旋转，釜盖2旋转到位后，第二驱动缸7的驱动杆伸出，插入釜盖2的定位孔中，将釜盖2定位锁紧，呈关合状态。接着打开封门气阀24，向充气密封圈26内充入压缩空气，充气密封圈26充气膨胀将釜盖2与釜体1之间的间隙密封。根据需要开启低温气动球阀11或气动球阀14，对釜体1的空腔内通入液氮或压缩气体，然后停止进气，保压。Firstly, the swing arm 27 is driven to swing by the first drive cylinder 5, and then the kettle lid 2 is turned upwards to open. The formwork after pouring the molten metal is manually lifted into the cavity of the kettle body 1, placed on the support plate 4, and then the driving rod of the first driving cylinder 5 is stretched out, driving the kettle cover 2 to turn down and stick to the kettle body 1 Close, then the drive rod of the third drive cylinder 8 stretches out to push the kettle cover 2 to rotate, after the kettle cover 2 rotates in place, the drive rod of the second drive cylinder 7 stretches out, inserts in the positioning hole of the kettle cover 2, and the kettle cover 2 The positioning is locked and it is in the closed state. Then open the door sealing valve 24, charge compressed air in the inflatable sealing ring 26, and the inflatable sealing ring 26 is inflated to seal the gap between the still lid 2 and the still body 1. Open the low-temperature pneumatic ball valve 11 or pneumatic ball valve 14 as required, feed liquid nitrogen or compressed gas into the cavity of the kettle body 1, then stop the air intake, and keep the pressure.
保压到设定时间后，打开排气管上的排气阀15将釜体1的空腔内压力泄去，接着打开封门排气阀25，充气密封圈26泄压。然后控制第二驱动缸7的驱动杆缩回，第三驱动缸8的驱动杆缩回拉动釜盖2旋转到原位，第一驱动缸5的驱动杆缩回，驱动釜盖2向上翻转到位，釜盖2呈打开状态。即完成整个凝固过程。After holding the pressure to the set time, open the exhaust valve 15 on the exhaust pipe to release the pressure in the cavity of the kettle body 1, then open the door-sealing exhaust valve 25, and the inflatable sealing ring 26 releases the pressure. Then the driving rod of the second driving cylinder 7 is controlled to retract, the driving rod of the third driving cylinder 8 is retracted and the kettle cover 2 is rotated to the original position, the driving rod of the first driving cylinder 5 is retracted, and the driving kettle cover 2 is turned upside down and put in place , kettle cover 2 is open. That is, the entire solidification process is completed.
以上仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention. Inside.
Claims (10)
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| CN1426864A (en) * | 2001-12-21 | 2003-07-02 | 三菱重工业株式会社 | Method and equipment for directional solidification casting |
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| CN201342478Y (en) * | 2008-12-30 | 2009-11-11 | 沈阳理工大学 | Quasi pressure-regulating casting machine |
| CN205183770U (en) * | 2015-12-16 | 2016-04-27 | 因普雷浸渗科技（苏州）有限公司 | Jar infiltrates |
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|---|---|---|---|---|
| CN1426864A (en) * | 2001-12-21 | 2003-07-02 | 三菱重工业株式会社 | Method and equipment for directional solidification casting |
| CN2621859Y (en) * | 2003-05-27 | 2004-06-30 | 西北工业大学 | Splitting large-scale Al-alloy casting low pressure casting equipment |
| CN201342478Y (en) * | 2008-12-30 | 2009-11-11 | 沈阳理工大学 | Quasi pressure-regulating casting machine |
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Application publication date: 20170829 |