Foundry system

Abstract

The application discloses a casting system, comprising: a device group, a sand core window and a liquid supply device. The device group comprises a mold, a robot and a graphite tank, the robot comprises a robot and a clamp, the clamp is connected to the robot, the clamp holds the mold, the mold has a mold cavity, and the graphite tank is used for containing graphite water to soak the mold; the sand core window is used for setting a sand core in the mold cavity; the liquid supply device is used for injecting metal melt into the mold; wherein the liquid supply device is provided with one, the device group is provided with multiple, and the robots of each device group can sequentially transfer each mold between the sand core window, the liquid supply device and the graphite tank. So that one liquid supply device can supply liquid to multiple molds. Therefore, during the work process, after the injection of one of the molds is completed, the liquid supply device can also inject liquid into other molds, reducing the idle time of the liquid supply device and improving the use efficiency of the liquid supply device, thereby reducing energy waste.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of casting, in particular to a casting system. BACKGROUND

[0002] Low pressure casting refers to a method for realizing a casting under the action of an external force. In the related art, a low pressure casting machine system usually performs liquid feeding by matching a single mold with one liquid feeding device, so that the liquid feeding device is idle for a long time and has a low utilization rate, thereby causing energy waste. SUMMARY

[0003] The present application aims to at least solve one of the technical problems in the prior art. To this end, the present application provides a casting system which can improve the utilization rate of the liquid feeding device and reduce energy waste.

[0004] The casting system according to an embodiment of the present application comprises a device group, an upper sand core window and a liquid feeding device.

[0005] The device group comprises a mold, a robot and a graphite tank, the robot comprises a robot and a clamp, the clamp is connected to the robot, the clamp clamps the mold, the mold has a mold cavity, and the graphite tank is used to store graphite water to soak the mold;

[0006] The upper sand core window is used to set a sand core in the mold cavity;

[0007] The liquid feeding device has a liquid storage cavity and a liquid injection hole in communication with the liquid storage cavity, the liquid storage cavity is used to store metal melt, and the robot can transfer the mold to the liquid injection hole so that the mold cavity is in communication with the liquid injection hole;

[0008] The liquid feeding device is provided with one, the device group is provided with a plurality of, and the robots of the device groups can sequentially transfer the molds between the upper sand core window, the liquid feeding device and the graphite tank.

[0009] The casting system according to an embodiment of the present application has at least the following beneficial effects:

[0010] The casting system is provided with one liquid feeding device and a plurality of device groups, so that one liquid feeding device can feed liquid to a plurality of molds. Therefore, during the work process, after the liquid injection of one mold is completed, the liquid feeding device can still inject liquid to other molds, reduces the idle time of the liquid feeding device, improves the utilization efficiency of the liquid feeding device, and thereby reduces energy waste.

[0011] According to some embodiments of the present application, the upper sand core window is provided with one, the device group is provided with two, and the robots of the two device groups are located between the upper sand core window and the liquid feeding device.

[0012] According to some embodiments of the present application, the robots of the two groups of equipment are arranged on one side of the two groups of equipment, and the sand core window, the liquid supply device and the graphite tank of each group of equipment are located within the same working radius of the robots of each group of equipment.

[0013] According to some embodiments of the present application, the liquid supply device comprises a furnace body and a liquid outlet member, the furnace body comprises the liquid storage cavity, and an air inlet hole and an air outlet hole which are in communication with the liquid storage cavity, the liquid outlet member is connected to the furnace body and extends into the liquid storage cavity, the liquid outlet member has a liquid outlet channel, and an end of the liquid outlet channel away from the liquid storage cavity is the liquid injection hole;

[0014] The casting system further comprises a gas supply device, an exhaust device and a gas valve, the gas supply device is in communication with the air inlet hole, the exhaust device comprises a vent pipe, one end of the vent pipe is connected to the air outlet hole, and the other end of the vent pipe is connected to the graphite tank, and the gas valve is arranged at the air outlet hole or in the vent pipe.

[0015] According to some embodiments of the present application, the liquid supply device comprises a furnace body and a liquid outlet member, the furnace body comprises the liquid storage cavity, and the liquid outlet member is connected to the furnace body and extends into the liquid storage cavity, the liquid outlet member has a liquid outlet channel, and an end of the liquid outlet channel away from the liquid storage cavity is the liquid injection hole;

[0016] The casting system further comprises a gas supply device and a pressure regulating device, the pressure regulating device is connected to the liquid supply device, the pressure regulating device has a pressure regulating cavity, the pressure regulating cavity is thermally isolated from the liquid storage cavity, and the gas supply device is in communication with the pressure regulating cavity.

[0017] When the gas supply device supplies gas to the pressure regulating cavity, the pressure regulating device is driven by the gas pressure to increase the gas pressure of the liquid storage cavity, so that the metal melt flows from the liquid outlet channel to the mold cavity.

[0018] According to some embodiments of the present application, the liquid supply device further comprises a blocking member, the blocking member is movably connected to the liquid outlet member to selectively open or close the liquid outlet channel.

[0019] According to some embodiments of the present application, the blocking member comprises a plug portion and a shielding portion, the shielding portion is connected to one end of the plug portion in the axial direction, the radial side surface of the plug portion further has a flow guide groove which extends to the end of the plug portion away from the shielding portion, the plug portion is movably arranged in the liquid outlet channel, and the shielding portion is located at the liquid injection hole.

[0020] When the metal melt in the liquid outlet channel rises, the blocking member rises under the extrusion of the metal melt, so that the shielding part avoids the liquid injection hole, and the metal melt can flow out of the liquid outlet channel through the liquid guide groove.

[0021] When the metal melt descends, the blocking member resets, and the shielding part blocks the liquid injection hole.

[0022] According to some embodiments of the present application, the equipment group further comprises a cleaning device, which comprises a cleaning bin, a shielding door and a cleaning head.

[0023] The cleaning bin has a cleaning chamber and a mold inlet hole communicating with the cleaning chamber, and the mold inlet hole is used for the robot to extend the mold into the cleaning chamber.

[0024] The shielding door comprises a plurality of door bodies, the side edge of the door body is provided with a profiling groove, the door body is movably connected to the cleaning bin, a plurality of the door bodies can be close to each other to shield the mold inlet hole, and the side of a plurality of the door bodies with the profiling groove can be mutually attached to define a profiling hole, and the profiling hole is used for the robot to pass through.

[0025] The cleaning head is arranged in the cleaning chamber and is used for sand blasting of the mold.

[0026] According to some embodiments of the present application, each of the cleaning devices and the sand core window are located on the same side of the casting system.

[0027] According to some embodiments of the present application, the equipment group further comprises a connecting device, which comprises a first connecting piece, a second connecting piece and a guide rod.

[0028] The first connecting piece is connected to the robot, and the first connecting piece comprises a sliding part, and the sliding part has a guide hole.

[0029] The second connecting piece is oppositely arranged with the first connecting piece and is connected to the clamp.

[0030] The guide rod comprises a guide part and a limiting part connected to each other, the limiting part protrudes from the radial side of the guide part, the guide part is connected to the second connecting piece and is slidably arranged in the guide hole, the limiting part is located on the side of the sliding part away from the second connecting piece, and can abut against the surface of the sliding part away from the second connecting piece.

[0031] According to some embodiments of the present application, the side surface of the guide part further has an annular groove, the annular groove is located between the limiting part and the second connecting piece along the axial direction of the guide rod, the size of the annular groove is greater than the size of the sliding part, and the minimum distance between the annular groove and the limiting part is greater than 0.

[0032] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0034] Figure 1 A schematic structural diagram of a casting system according to an embodiment of the present invention;

[0035] Figure 2 for Figure 1 Schematic diagram of the structure of the liquid supply device;

[0036] Figure 3 for Figure 2 A cross-sectional schematic diagram;

[0037] Figure 4 for Figure 1 Schematic diagram of the structure of the robot, connecting device and fixture;

[0038] Figure 5 A schematic structural diagram of a casting system according to another embodiment of the present invention;

[0039] Figure 6 for Figure 5 A schematic cross-sectional view of the liquid supply component and the sealing component;

[0040] Figure 7 Figure 6 A schematic diagram of the structure in which the middle blocking member is in another position;

[0041] Figure 8 for Figure 6 Schematic diagram of the structure of the middle sealing member;

[0042] Figure 9 for Figure 1 Schematic diagram of the structure of the cleaning device;

[0043] Figure 10 for Figure 9 A schematic diagram of the structure in which the middle door body is in another position;

[0044] Figure 11 for Figure 4 Schematic diagram of the structure of the connecting device;

[0045] Figure 12 for Figure 10 A cross-sectional schematic diagram;

[0046] Figure 13 is a schematic structural diagram of a connecting device according to another embodiment;

[0047] Figure 14 Fig. 1 is a schematic view of a cross section of a mold. Figure 13

[0048] Reference signs:

[0049] Mold 1000, first mold 1100, second mold 1200

[0050] Device group 100, clamp 110, first clamping part 111, second clamping part 112, robot 120, graphite tank 130, cleaning device 140, cleaning bin 141, cleaning chamber 1411, mold inlet hole 1412, door body 142, profiling groove 1421, profiling hole 143, collecting device 150, connecting device 160, first connecting part 161, sliding part 1611, shaft part 1612, guide hole 1613, avoiding groove 1614, second connecting part 162, guide rod 163, guide part 1631, limiting part 1632, annular groove 1633, guide sleeve 164, limiting plate 1641, sleeve 1642

[0051] Upper sand core window 200

[0052] Liquid supply device 300, liquid storage cavity 310, liquid injection hole 320, furnace body 330, liquid outlet part 340, liquid outlet channel 3411, plugging part 350, plug-in part 351, flow guide groove 3511, shielding part 352

[0053] Pressure regulating device 400, pressure regulating cavity 410, air bag 420

[0054] Exhaust device 500, air pipe 510 DETAILED DESCRIPTION

[0055] Embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0056] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0057] ​In the description of the present application, more refers to more than two. If the first, second is described for the purpose of distinguishing technical features, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features. In addition, if "and / or", "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes include "A and / or B", including A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present application.

[0058] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installation, connection and the like should be broadly understood, and those skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0059] Figure 1 The structure diagram of the casting system of an embodiment of the present application, Figure 2 The structure diagram of the casting system of an embodiment of the present application, Figure 1 The structure diagram of the casting system of an embodiment of the present application, Figure 3 The structure diagram of the casting system of an embodiment of the present application, Figure 2 The structure diagram of the casting system of an embodiment of the present application, Figure 4 The structure diagram of the casting system of an embodiment of the present application, Figure 1 The structure diagram of the casting system of an embodiment of the present application; in combination with Figures 1 to 4 The casting system of the present embodiment comprises: a device group 100, an upper sand core window 200 and a liquid supply device 300.

[0060] The device group 100 comprises a robot 120 and a graphite tank 130 (as shown in Figure 1 The clamp 110 is connected to the end of the robot 120, and the clamp 110 is used to clamp the mold 1000 (as shown in Figure 4 The clamp 110 comprises a first clamping part 111 and a second clamping part 112, and the mold 1000 comprises a first mold 1100 and a second mold 1200, the first mold 1100 and the second mold 1200 are connected to the first clamping part 111 and the second clamping part 112 respectively, and the first mold 1100 and the second mold 1200 are combined to form a mold cavity. The upper sand core window 200 is used to set a sand core in the mold cavity, and the upper sand core window 200 can be a worker operating area to place a sand core in the mold cavity by a worker, or a mechanical hand working area to place a sand core in the mold cavity by a mechanical hand.

[0061] The liquid supply device 300 is, for example, an electric furnace, and the liquid supply device 300 has a liquid storage cavity 310 and a liquid injection hole 320 (as shown inFigure 3 The liquid supply device 300 is used for storing metal melt, which can be heated by other equipment and then transported to the liquid supply device 300 by the conveying equipment. The liquid supply device 300 can also be smelted by itself, that is, the liquid supply device 300 further comprises a heater. After the solid metal is placed in the liquid storage cavity 310, the heater is used to heat the metal to form a metal melt. The robot 120 can transport the mold 1000 to the injection hole 320, and make the mold cavity communicate with the injection hole 320. Then, the metal melt is pressed into the mold cavity by external pressure. After the mold cavity is filled with the metal melt, the mold 1000 is transported to the unloading station by the robot 120 for unloading. The unloading station can be provided with a collecting device 150 for conveying the product to a designated station for further processing. After demolding, the mold 1000 is transported to the graphite tank 130.

[0062] The graphite tank 130 is used for containing graphite water, which is used to clean the mold 1000, so that the inner surface of the mold 1000 is coated with graphite powder, thereby reducing the sand adhesion of the mold 1000 in the next casting process, which helps the smooth demolding of the die casting. At the same time, the mold 1000 can also be cooled during the cleaning process. On the one hand, when the sand core is manually placed, it can prevent the worker from being scalded. On the other hand, it can also reduce the heat contained in the mold 1000 after the completion of the last injection, so that the temperature of the mold 1000 can be reduced faster, which is beneficial to the solidification of the metal melt, so as to improve the processing efficiency. It should be noted that in the embodiment, the liquid supply device 300 is provided with one, and the equipment group 100 is provided with multiple. Therefore, one liquid supply device 300 can supply liquid to multiple molds 1000. Therefore, during the casting process, when one of the molds 1000 is completed, the robot 120 in another equipment group 100 can transport the corresponding mold 1000 to the liquid supply device 300, so that the liquid supply device 300 can inject the mold 1000 in the equipment group 100, thereby reducing the idle time of the liquid supply device 300, improving the use efficiency of the liquid supply device 300, and reducing energy waste.

[0063] It should be noted that the drawings Figure 1 The embodiment only has two equipment groups 100, which cannot be regarded as the only limitation of the embodiment. According to the size of the site and the production demand, three or four equipment groups 100 can also be provided, as long as the idle time of the liquid supply device 300 can be reduced.

[0064] Referring to Figure 1In some embodiments, one upper core window 200 is provided, and two equipment groups 100 are provided. The robots 120 of both equipment groups 100 are located between the upper core window 200 and the liquid supply device 300. For example, if the robot 120 is located in the center area between the upper core window 200 and the liquid supply device 300, the robot 120 with a shorter arm length can transfer the mold 1000 between the upper core window 200 and the liquid supply device 300, thereby reducing the selection requirements of the robot 120 and saving equipment costs. In addition, the two equipment groups 100 share one upper core window 200. Therefore, a single worker or a single robot 120 can complete the core loading of both molds 1000, saving labor and thus reducing production costs.

[0065] Reference Figure 1 Based on the above embodiment, the robots 120 of the two equipment groups 100 are arranged on the side close to each other. The upper sand core window 200, the liquid supply device 300 and the graphite tank 130 in each equipment group 100 are all located on the same working radius of the robots 120 of each equipment group 100. That is, the upper sand core window 200 and the liquid supply device 300 are located on the arc-shaped working trajectory of the two robots 120 ( Figure 1 The intersection of the two dotted circles in Figure 1 , and the graphite tanks 130 of each equipment group 100 are located on the corresponding arc trajectory. Therefore, during the casting process, the working radius of the robot 120 does not need to be adjusted, and the transfer of the mold 1000 can be completed with one rotation, which makes the control program of the robot 120 simpler and the error rate of the robot 120 during operation lower. Moreover, when workers are loading sand cores, they can load sand cores on the molds 1000 in two equipment groups 100 in one location without having to move back and forth, making the casting system of this embodiment more convenient to use and workers more relaxed and labor-saving during the work process.

[0066] Reference Figure 3 and 5 , Figure 5 This is a structural diagram of a casting system according to another embodiment of the present invention. In some embodiments, the liquid supply device 300 includes a furnace body 330 and a liquid outlet 340. The furnace body 330 includes a liquid storage chamber 310, and an air inlet and an air outlet connected to the liquid storage chamber 310. The liquid outlet 340 is connected to the furnace body 330 and extends into the liquid storage chamber 310. The liquid outlet 340 has a liquid outlet channel 3411. The end of the liquid outlet channel 3411 facing away from the liquid storage chamber 310 is a liquid injection hole 320. The casting system also includes an air supply device, an exhaust device 500 and an air valve. The air supply device is connected to the air inlet. The exhaust device 500 includes a vent pipe 510. One end of the vent pipe 510 is connected to the air outlet, and the other end is connected to the graphite tank 130 (such as Figure 5The gas valve is arranged at the gas outlet hole or in the gas pipe. When the gas supply device supplies gas to the liquid storage cavity 310, the gas valve is closed to prevent gas leakage from the liquid storage cavity, so that the gas pressure in the liquid storage cavity 310 increases, the metal melt is pressed into the liquid outlet channel 3411, and then flows into the mold cavity. After the liquid injection is completed, the gas valve is opened to release the gas in the liquid storage cavity 310, so that the gas pressure is reduced, and the metal melt in the liquid outlet channel 3411 flows back to the liquid storage cavity 310 for next use. It can be understood that, in the embodiment, the other end of the exhaust device 500 is communicated with the graphite tank 130. Therefore, the waste gas in the liquid storage cavity 310 can flow into the graphite tank 130, so as to regulate the temperature of the graphite water in the graphite tank 130, so that the temperature of the graphite water reaches the set temperature. On the one hand, the waste gas can be reused, thereby reducing the heat energy loss and achieving the purpose of energy saving. On the other hand, the waste gas is directly discharged to the external environment, thereby reducing environmental pollution.

[0067] With reference to Figure 3 In some embodiments, the liquid supply device 300 includes a furnace body 330 and a liquid outlet member 340. The furnace body 330 includes a liquid storage cavity 310. The liquid outlet member 340 is connected to the furnace body 330 and extends into the liquid storage cavity 310. The liquid outlet member 340 has a liquid outlet channel 3411. An end of the liquid outlet channel 3411 away from the liquid storage cavity 310 is a liquid injection hole 320. The casting system further includes a gas supply device and a pressure regulating device 400. The pressure regulating device 400 is connected to the liquid supply device 300. The pressure regulating device 400 has a pressure regulating cavity 410. The pressure regulating cavity 410 is thermally isolated from the liquid storage cavity 310. For example, the pressure regulating device 400 includes a gas bag 420 made of a high-temperature-resistant heat-insulating material. The pressure regulating cavity 410 is formed in the gas bag 420. The gas bag 420 is arranged in the liquid storage cavity. The gas supply device is communicated with the pressure regulating cavity 410. When the gas supply device supplies gas to the pressure regulating cavity 410, the volume of the gas bag 420 increases to press the gas in the liquid storage cavity 310, so that the gas pressure in the liquid storage cavity 310 increases, and the metal melt flows from the liquid outlet channel 3411 to the mold cavity. When it is necessary to reduce the liquid level of the liquid outlet channel 3411, the gas in the gas bag 420 is released, the volume of the gas bag 420 is reduced, and thus the gas pressure in the liquid storage cavity 310 is reduced. It can be understood that, since the pressure regulating cavity 410 of the gas bag 420 is thermally isolated from the liquid storage cavity 310, after the gas is filled into the pressure regulating cavity 410, the gas does not exchange heat with the gas in the liquid storage cavity 310, so that the heat in the liquid storage cavity 310 is not taken away during the process of releasing the gas in the pressure regulating cavity 410, thereby reducing the heat loss and saving energy.

[0068] With reference to Figures 6 to 8 , Figure 6 For Figure 5 A sectional view of the liquid supply member and the shielding member in the embodiment, Figure 7 Figure 6 A structure schematic view of the shielding member in another position in the embodiment, Figure 8 For Figure 6Schematic diagram of the structure of the shielding member in the middle. On the basis of the above embodiment, the liquid supply device 300 also includes a blocking member 350, and the blocking member 350 can be movably connected to the liquid outlet member 340 to selectively open or close the liquid outlet channel 3411. When liquid injection is required, the liquid outlet channel 3411 is opened, and the liquid outlet channel 3411 is closed after the liquid injection is completed to prevent heat from being radiated from the liquid outlet channel 3411 to the external environment, thereby reducing heat loss and saving energy. For example, in some embodiments, the blocking member 350 includes a plug-in portion 351 and a shielding portion 352, and the shielding portion 352 is connected to one axial end of the plug-in portion 351, and the radial side of the plug-in portion 351 also has a guide groove 3511, and the guide groove 3511 extends to the end of the plug-in portion 351 that is away from the shielding portion 352 (such as Figure 8 As shown), the plug-in portion 351 is movably disposed in the liquid outlet channel 3411, and the shielding portion 352 is located at the liquid injection hole 320 (as shown Figure 6 As shown in FIG. 3 ). When the molten metal in the liquid outlet channel 3411 rises, the blocking member automatically rises under the extrusion of the molten metal, so that the shielding portion 352 avoids the liquid injection hole 320 (as shown in FIG. Figure 7 As shown in FIG3 ), the molten metal can flow out of the guide groove 3511 through the liquid injection hole 320. After the liquid injection is completed, the air pressure in the liquid storage chamber 310 is reduced to cause the molten metal in the liquid outlet channel 3411 to drop, and the blocking member 350 is reset under the action of gravity to block the liquid injection hole 320 with the shielding portion 352 (as shown in FIG3 ). Figure 6 As shown). It is understandable that the blocking member 350 in this embodiment is driven by the rise and fall of the liquid level in the liquid outlet channel 3411, without the need for additional operating steps, making the casting step simpler and reducing manufacturing costs.

[0069] Reference Figure 1 、 Figure 9 and Figure 10 , Figure 9 for Figure 1 Schematic diagram of the structure of the cleaning device, Figure 10 for Figure 9 In some embodiments, the equipment group 100 further includes a cleaning device 140 (such as Figure 1 As shown), the cleaning device 140 includes a cleaning chamber 141, a shielding door and a cleaning head. The cleaning chamber 141 has a cleaning chamber 1411 and a die feed hole 1412 (as shown) connected to the cleaning chamber 1411. Figure 10 As shown), the die hole 1412 is used for the robot 120 to extend the mold 1000 into the cleaning chamber 1411. The shielding door includes a plurality of door bodies 142, and the side edges of the door bodies 142 are provided with contoured grooves 1421 (as shown). Figure 10As shown), the door body 142 can be movably connected to the die hole 1412 of the cleaning chamber 141 to cover the die hole 1412, and the sides of the multiple door bodies 142 with the contoured grooves 1421 can fit together to define the contoured hole 143 (as shown). Figure 9 As shown, the contoured hole 143 is used for the robot 120 to pass through. A cleaning head is disposed within the cleaning chamber 1411 and is capable of sandblasting to clean the mold 1000. For example, the plurality of door bodies 142 of the shielding door are distributed along the die feed hole 1412, with the contoured groove 1421 of each door body 142 opening toward the center of the die feed hole 1412. The door body 142 is capable of moving toward the center of the die feed hole 1412, so that the plurality of contoured grooves 1421 collectively form the contoured hole 143. When this embodiment is used in a casting system, after the robot 120 sends the mold 1000 into the cleaning chamber 1411, the door body 142 is driven to move toward the center of the die feed hole 1412, so that the sides of multiple door bodies 142 with contoured grooves 1421 fit together to form a contoured hole 143. The robot 120 is inserted into the contoured hole 143, so that the door body 142 blocks the gap between the robot 120 and the die feed hole 1412, preventing sand and dust from escaping from the cleaning chamber 1411 during cleaning, thereby reducing environmental pollution.

[0070] It should be noted that the fact that there are two door bodies 142 in Figure 9 cannot be interpreted as the only limitation to this embodiment. According to needs, the shielding door can also be provided with three, four or other door bodies 142, as long as the multiple door bodies 142 can form the contoured hole 143 and can block the gap between the mold hole 1412 and the robot 120.

[0071] Reference Figure 1 In some embodiments, each cleaning device 140 and the core loading window 200 are located on the same side of the casting system. Therefore, a single worker can sandblast and clean the molds 1000 in both equipment groups 100 and load the cores within a small area, making the casting system of this embodiment more convenient to use and reducing the worker's workload.

[0072] Reference Figure 4 and Figure 11 , Figure 11 for Figure 4A structure diagram of the connecting device. In some embodiments, the casting system further comprises a connecting device 160, which comprises a first connecting member 161 connected to the robot 120, a second connecting member 162, and a guide rod 163. The first connecting member 161 is connected to the robot 120, and comprises a sliding portion 1611 with a guide hole 1613. The second connecting member 162 is arranged opposite to the first connecting member 161, and is connected to the clamp 110. The guide rod 163 comprises a guide portion 1631 and a limiting portion 1632 connected to each other, the limiting portion 1632 protrudes from the radial side of the guide portion 1631, the guide portion 1631 is connected to the second connecting member 162 and slidably passes through the guide hole 1613, and the limiting portion 1632 is located on the side of the sliding portion 1611 away from the second connecting member 162 and can abut against the surface of the sliding portion 1611 away from the second connecting member 162. Specifically, since the guide rod 163 is slidably connected to the first connecting member 161, the first connecting member 161 can move relative to the second connecting member 162. During casting, the robot 120 transports the mold 1000 to the liquid supply hole 320 of the liquid supply device 300 and contacts the liquid supply device 300. Since the clamp 110 can move relative to the robot 120, after the mold 1000 on the clamp 110 contacts the liquid supply device 300, the robot 120 can still move a certain distance without causing the liquid supply device 300 or the mold 1000 to be damaged. Therefore, the precision requirement of the robot 120 can be reduced in this embodiment, so as to reduce the cost of the casting system.

[0073] With reference to Figure 13 , Figure 13FIG1 is a structural diagram of a connecting device according to another embodiment. It is understood that when the guide rod 163 is in a non-vertical state, the guide rod 163 will be subjected to a certain bending moment. In order to improve the bending resistance of the connecting device 160, a plurality of guide rods 163 can usually be provided. However, the number of guide rods 163 is limited by the size of the first connecting member 161 and the second connecting member 162, and an excessive number of guide rods 163 will also make the assembly process more complicated. Based on this, in some embodiments, the first connecting member 161 is provided with a plurality of guide rods 163. Component 161 also includes a shaft portion 1612, which is connected to the sliding portion 1611 and protrudes from the surface of the sliding portion 1611 facing away from the second connecting member 162. The end of the shaft portion 1612 facing away from the sliding portion 1611 is connected to the robot 120. The connecting device 160 also includes a guide sleeve 164, which includes a sleeve 1642 and a limit plate 1641 connected to each other. The limit plate 1641 is connected to the limit portion 1632, and the sleeve 1642 is slidably mounted on the shaft portion 1612. When the guide rod 163 is subjected to a bending moment, the force can be transferred to the sleeve 1642 through the limit plate 1641. The sleeve 1642 contacts the shaft portion 1612 to partially resist the bending moment. This reduces the bending moment applied to the guide rod 163 and improves the bending moment resistance of this embodiment. It can prevent the guide rod 163 from swinging significantly, thereby improving the positioning accuracy of the mold 1000 during transportation.

[0074] Reference Figure 12 and Figure 14 , Figure 12 for Figure 10 A cross-sectional diagram of Figure 14 for Figure 13 16. In some embodiments, the side surface of the guide portion 1631 further has an annular groove 1633, which is located between the limiting portion 1632 and the second connecting member 162. Along the axial direction of the guide rod 163, the size of the annular groove 1633 is larger than the size of the sliding portion 1611, and the minimum distance between the annular groove 1633 and the limiting portion 1632 is greater than 0 (e.g., Figure 12 ). Therefore, when the connecting device 160 of this embodiment is used in a casting system, after the mold 1000 contacts the liquid supply device 300, the robot 120 can continue to move a distance to the position corresponding to the annular groove 1633. The annular groove 1633 can avoid the guide rod 163, so that the guide rod 163 can swing to a certain extent, thereby allowing the second connecting member 162 connected to the guide rod 163 to rotate relative to the first connecting member 161. Specifically, during the contact process between the mold 1000 and the liquid supply device 300, the mold 1000 can automatically adjust its posture to a certain extent under the action of its own weight, so that the mold 1000 and the surface of the liquid supply device 300 are in contact without the need for the robot 120 to swing, thereby simplifying the casting process and improving work efficiency.

[0075] In addition, the minimum distance between the annular groove 1633 and the limiting portion 1632 is greater than 0, so as to improve the position accuracy of the mold 1000. Specifically, in the process of separating the mold 1000 from the liquid supply device 300, the first connecting piece 161 is moved away from the second connecting piece 162 by the force applied by the robot 120, the sliding portion 1611 can be moved to the position of the non-annular groove 1633 of the guide rod 163, so as to reduce the distance between the hole wall of the guide hole 1613 and the outer wall between the guide rod 163, prevent the guide rod 163 from shaking, and improve the stability of the clamp 110. Similarly, when the connecting device 160 is also provided with a guide sleeve 164, the minimum distance between the annular groove 1633 and the limiting plate 1641 is greater than 0, and the annular avoiding groove 1614 (as shown in Figure 14 FIG. 6) is arranged at the corresponding position of the shaft portion 1612 of the first connecting piece 161, which will not be described herein.

[0076] The embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.

Claims

1. A casting system characterized by, The casting system comprises: a device group, which comprises a robot, a clamp connected to the end of the robot, the clamp being used for clamping a mold, and a graphite tank used for containing graphite water to soak the mold; a sand core window used for setting a sand core in a mold cavity of the mold; a liquid supply device having a liquid storage cavity used for storing metal melt and a liquid injection hole in communication with the liquid storage cavity, the robot being capable of transferring the mold to the liquid injection hole so that the mold cavity is in communication with the liquid injection hole; wherein the liquid supply device is provided with one, the device group is provided with multiple, and the robot of each device group is capable of sequentially transferring each mold between the sand core window, the liquid supply device and the graphite tank; the device group further comprises a connecting device, which comprises a first connecting member, a second connecting member and a guide rod; the first connecting member is connected to the robot, the first connecting member comprises a sliding part, and the sliding part has a guide hole; the second connecting member is oppositely arranged with the first connecting member and is connected to the clamp; the guide rod comprises a guide part and a limiting part connected to each other, the limiting part protrudes from the radial side of the guide part, the guide part is connected to the second connecting member and is slidably arranged in the guide hole, and the limiting part is located on the side of the sliding part away from the second connecting member and is capable of abutting against the surface of the sliding part away from the second connecting member; the side surface of the guide part further has an annular groove, the annular groove is located between the limiting part and the second connecting member along the axial direction of the guide rod, the size of the annular groove is greater than that of the sliding part, and the minimum distance between the annular groove and the limiting part is greater than 0.

2. The casting system of claim 1, wherein, The sand core window is provided with one, and the device group is provided with two, and the robots of the two device groups are located between the sand core window and the liquid supply device.

3. The casting system of claim 2, wherein, The robots of the two device groups are arranged on the side of the two device groups close to each other, and the sand core window, the liquid supply device and the graphite tank in each device group are located on the same working radius of the robot of each device group.

4. The casting system of claim 1, wherein, The liquid supply device comprises a furnace body and a liquid outlet member, the furnace body comprises the liquid storage cavity, an air inlet hole and an air outlet hole in communication with the liquid storage cavity, the liquid outlet member is connected to the furnace body and extends into the liquid storage cavity, the liquid outlet member has a liquid outlet channel, and one end of the liquid outlet channel away from the liquid storage cavity is the liquid injection hole; The casting system further comprises a gas supply device, an exhaust device and a gas valve, the gas supply device is in communication with the air inlet hole, the exhaust device comprises a vent pipe, one end of the vent pipe is connected to the air outlet hole, and the other end of the vent pipe is connected to the graphite tank, and the gas valve is arranged at the air outlet hole or in the vent pipe.

5. The casting system of claim 1, wherein, The liquid supply device comprises a furnace body and a liquid outlet member, the furnace body comprises the liquid storage cavity, the liquid outlet member is connected to the furnace body and extends into the liquid storage cavity, the liquid outlet member has a liquid outlet channel, and one end of the liquid outlet channel away from the liquid storage cavity is the liquid injection hole; The casting system further comprises a gas supply device and a pressure regulating device connected to the liquid supply device, the pressure regulating device having a pressure regulating cavity which is thermally isolated from the liquid storage cavity, the gas supply device being in communication with the pressure regulating cavity; When the gas supply device supplies gas to the pressure regulating cavity, the pressure regulating device is activated by the gas pressure to increase the gas pressure in the liquid storage cavity, so that the metal melt flows from the liquid outlet channel to the mold cavity.

6. Casting system according to claim 4 or 5, characterized in that The liquid supply device further comprises a blocking member movably connected to the liquid outlet member to selectively open or close the liquid outlet channel.

7. The casting system of claim 6, wherein, The blocking member comprises a plug portion and a shielding portion connected to one axial end of the plug portion, the plug portion further having a flow guide groove on its radial side which extends to the other end of the plug portion away from the shielding portion, the plug portion being movably arranged in the liquid outlet channel, and the shielding portion being located at the liquid injection hole; When the metal melt in the liquid outlet channel rises, the blocking member rises under the extrusion of the metal melt, so that the shielding portion avoids the liquid injection hole, and the metal melt can flow out of the liquid outlet channel through the liquid injection hole via the flow guide groove; When the metal melt descends, the blocking member resets, and the shielding portion blocks the liquid injection hole.

8. The casting system of claim 1, wherein, The equipment set further comprises cleaning devices, each of which comprises a cleaning bin, a shielding door and a cleaning head; The cleaning bin has a cleaning chamber and a mold inlet hole in communication with the cleaning chamber, the mold inlet hole being used for the robot to extend the mold into the cleaning chamber; The shielding door comprises a plurality of door bodies, the side edges of the door bodies are provided with profiled grooves, the door bodies are movably connected to the cleaning bin, the plurality of door bodies can be moved close to each other to shield the mold inlet hole, and the sides of the plurality of door bodies with the profiled grooves can be abutted against each other to define a profiled hole, the profiled hole being used for the robot to pass through; The cleaning head is arranged in the cleaning chamber and is used for sand blasting the mold.

9. The casting system of claim 8, wherein, Each of the cleaning devices and the sand core window are located on the same side of the casting system.

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